/* Copyright (C) 1998 Transarc Corporation - All rights reserved */ /* * (C) COPYRIGHT IBM CORPORATION 1987 * LICENSED MATERIALS - PROPERTY OF IBM */ /* ********************************************************************** */ /* */ /* afs_fileprocs.c - Complete File Server request routines */ /* */ /* Information Technology Center */ /* Carnegie Mellon University */ /* */ /* Date: 8/10/88 */ /* */ /* Function - A set of routines to handle the various file Server */ /* requests; these routines are invoked by rxgen. */ /* */ /* ********************************************************************** */ /* * in Check_PermissionRights, certain privileges are afforded to the owner * of the volume, or the owner of a file. Are these considered "use of * privilege"? */ #include #include #include #include #ifdef AFS_SGI_ENV #undef SHARED /* XXX */ #endif #ifdef AFS_NT40_ENV #include #else #include #include #include #include #include #include #ifndef AFS_LINUX20_ENV #include #include #endif #ifdef notdef #include #endif #endif #ifdef AFS_HPUX_ENV /* included early because of name conflict on IOPEN */ #include #ifdef IOPEN #undef IOPEN #endif #endif /* AFS_HPUX_ENV */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if ! defined(AFS_SGI_ENV) && ! defined(AFS_AIX32_ENV) && ! defined(AFS_NT40_ENV) && ! defined(AFS_LINUX20_ENV) #include #endif #if !defined(AFS_NT40_ENV) #include #endif #if !defined(AFS_SGI_ENV) && !defined(AFS_NT40_ENV) #ifdef AFS_AIX_ENV #include #include #else #if !defined(AFS_SUN5_ENV) && !defined(AFS_LINUX20_ENV) #include #endif #endif #endif #include #include #include #include #include #include "viced.h" #include "host.h" #include #include #ifdef AFS_PTHREAD_ENV pthread_mutex_t fileproc_glock_mutex; #endif /* AFS_PTHREAD_ENV */ /* Useful local defines used by this module */ #define DONTCHECK 0 #define MustNOTBeDIR 1 #define MustBeDIR 2 #define TVS_SDATA 1 #define TVS_SSTATUS 2 #define TVS_CFILE 4 #define TVS_SLINK 8 #define TVS_MKDIR 0x10 #define CHK_FETCH 0x10 #define CHK_FETCHDATA 0x10 #define CHK_FETCHACL 0x11 #define CHK_FETCHSTATUS 0x12 #define CHK_STOREDATA 0x00 #define CHK_STOREACL 0x01 #define CHK_STORESTATUS 0x02 #define OWNERREAD 0400 #define OWNERWRITE 0200 #define OWNEREXEC 0100 #ifdef USE_GROUP_PERMS #define GROUPREAD 0040 #define GROUPWRITE 0020 #define GROUPREXEC 0010 #endif /* The following errors were not defined in NT. They are given unique * names here to avoid any potential collision. */ #define FSERR_ELOOP 90 #define FSERR_EOPNOTSUPP 122 #define FSERR_ECONNREFUSED 130 #define NOTACTIVECALL 0 #define ACTIVECALL 1 extern struct afsconf_dir *confDir; extern afs_int32 dataVersionHigh; extern int SystemId; extern struct AFSCallStatistics AFSCallStats; struct AFSCallStatistics AFSCallStats; #if FS_STATS_DETAILED struct fs_stats_FullPerfStats afs_FullPerfStats; extern int AnonymousID; #endif /* FS_STATS_DETAILED */ #if TRANSARC_VOL_STATS static const char nullString[] = ""; #endif /* TRANSARC_VOL_STATS */ struct afs_FSStats { afs_int32 NothingYet; }; struct afs_FSStats afs_fsstats; void ResetDebug(), SetDebug(), GetStatus(), Terminate(); int CopyOnWrite(); /* returns 0 on success */ void SetSystemStats(), SetAFSStats(), SetVolumeStats(); int LogLevel = 0; int supported = 1; int Console = 0; afs_int32 BlocksSpare = 1024; /* allow 1 MB overruns */ afs_int32 PctSpare; extern afs_int32 implicitAdminRights; static TryLocalVLServer(); /* * Externals used by the xstat code. */ extern int VolumeCacheSize, VolumeGets, VolumeReplacements; extern int CEs, CEBlocks; extern int HTs, HTBlocks; #ifdef AFS_SGI_XFS_IOPS_ENV #include static int GetLinkCount(avp, astat) Volume *avp; struct stat *astat; { if (!strcmp("xfs", astat->st_fstype)) { return (astat->st_mode & AFS_XFS_MODE_LINK_MASK); } else return astat->st_nlink; } #else #define GetLinkCount(V, S) (S)->st_nlink #endif afs_int32 SpareComp(avolp) Volume *avolp; { register afs_int32 temp; FS_LOCK if (PctSpare) { temp = V_maxquota(avolp); if (temp == 0) { /* no matter; doesn't check in this case */ FS_UNLOCK return 0; } temp = (temp * PctSpare) / 100; FS_UNLOCK return temp; } else { FS_UNLOCK return BlocksSpare; } } /*SpareComp*/ /* * Set the volume synchronization parameter for this volume. If it changes, * the Cache Manager knows that the volume must be purged from the stat cache. */ static SetVolumeSync(async, avol) register struct AFSVolSync *async; register Volume *avol; { FS_LOCK /* date volume instance was created */ if (async) { if (avol) async->spare1 = avol->header->diskstuff.creationDate; else async->spare1 = 0; async->spare2 = 0; async->spare3 = 0; async->spare4 = 0; async->spare5 = 0; async->spare6 = 0; } FS_UNLOCK } /*SetVolumeSync*/ /* * This call overwrites the pointed-to rx_call with an rx_connection. This * is really bogus. Note that this function always returns a held host, so * that CallPostamble can block without the host's disappearing. */ static CallPreamble(acall, activecall) register struct rx_call **acall; int activecall; { struct host *thost; struct rx_connection *tconn; struct client *tclient; int retry_flag=1; int code = 0; tconn = rx_ConnectionOf(*acall); *acall = (struct rx_call *)tconn; /* change it! */ H_LOCK retry: tclient = h_FindClient_r(tconn); if (tclient->prfail == 1) { /* couldn't get the CPS */ if (!retry_flag) { h_ReleaseClient_r(tclient); ViceLog(0, ("CallPreamble: Couldn't get CPS. Fail\n")); H_UNLOCK return -1001; } retry_flag=0; /* Retry once */ /* Take down the old connection and re-read the key file */ ViceLog(0, ("CallPreamble: Couldn't get CPS. Reconnect to ptserver\n")); H_UNLOCK code = pr_Initialize(2, AFSDIR_SERVER_ETC_DIRPATH, 0); H_LOCK if (code) { h_ReleaseClient_r(tclient); H_UNLOCK ViceLog(0,("CallPreamble: couldn't reconnect to ptserver\n")); return -1001; } tclient->prfail = 2; /* Means re-eval client's cps */ h_ReleaseClient_r(tclient); goto retry; } thost = tclient->host; tclient->LastCall = thost->LastCall = FT_ApproxTime(); if (activecall) /* For all but "GetTime" calls */ thost->ActiveCall = thost->LastCall; h_Lock_r(thost); if (thost->hostFlags & HOSTDELETED) { ViceLog(3,("Discarded a packet for deleted host %08x\n",thost->host)); code = VBUSY; /* raced, so retry */ } else if (thost->hostFlags & VENUSDOWN) { if (BreakDelayedCallBacks_r(thost)) { ViceLog(0,("BreakDelayedCallbacks FAILED for host %08x which IS UP. Possible network or routing failure.\n",thost->host)); code = -1; } } else { code = 0; } h_ReleaseClient_r(tclient); h_Unlock_r(thost); H_UNLOCK return code; } /*CallPreamble*/ static CallPostamble(aconn) register struct rx_connection *aconn; { struct host *thost; struct client *tclient; H_LOCK tclient = h_FindClient_r(aconn); thost = tclient->host; h_ReleaseClient_r(tclient); h_Release_r(thost); H_UNLOCK } /*CallPostamble*/ #define AFSV_BUFFERSIZE 16384 static struct afs_buffer { struct afs_buffer *next; } *freeBufferList = 0; static int afs_buffersAlloced = 0; static FreeSendBuffer(adata) register struct afs_buffer *adata; { FS_LOCK afs_buffersAlloced--; adata->next = freeBufferList; freeBufferList = adata; FS_UNLOCK return 0; } /*FreeSendBuffer*/ /* allocate space for sender */ static char *AllocSendBuffer() { register struct afs_buffer *tp; FS_LOCK afs_buffersAlloced++; if (!freeBufferList) { FS_UNLOCK return malloc(AFSV_BUFFERSIZE); } tp = freeBufferList; freeBufferList = tp->next; FS_UNLOCK return (char *) tp; } /*AllocSendBuffer*/ static int VolumeOwner (client, targetptr) register struct client *client; register Vnode *targetptr; { afs_int32 owner = V_owner(targetptr->volumePtr); /* get volume owner */ if (owner >= 0) return (client->ViceId == owner); else { /* * We don't have to check for host's cps since only regular * viceid are volume owners. */ return (acl_IsAMember(owner, &client->CPS)); } } /*VolumeOwner*/ static int VolumeRootVnode (targetptr) Vnode *targetptr; { return ((targetptr->vnodeNumber == ROOTVNODE) && (targetptr->disk.uniquifier == 1)); } /*VolumeRootVnode*/ SRXAFS_FetchData (tcon, Fid, Pos, Len, OutStatus, CallBack, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of file to fetch */ afs_int32 Pos, Len; /* Not implemented yet */ struct AFSFetchStatus *OutStatus; /* Returned status for Fid */ struct AFSCallBack *CallBack; /* If r/w return CB for Fid */ struct AFSVolSync *Sync; /* synchronization info */ { Vnode * targetptr = 0; /* pointer to vnode to fetch */ Vnode * parentwhentargetnotdir = 0; /* parent vnode if vptr is a file */ Vnode tparentwhentargetnotdir; /* parent vnode for GetStatus */ int errorCode = 0; /* return code to caller */ int fileCode = 0; /* return code from vol package */ Volume * volptr = 0; /* pointer to the volume */ struct client *client; /* pointer to the client data */ struct rx_call *tcall; /* the call we're a part of */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct fs_stats_xferData *xferP; /* Ptr to this op's byte size struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval xferStartTime, xferStopTime; /* Start/stop times for xfer portion*/ struct timeval elapsedTime; /* Transfer time */ afs_int32 bytesToXfer; /* # bytes to xfer*/ afs_int32 bytesXferred; /* # bytes actually xferred*/ int readIdx; /* Index of read stats array to bump*/ static afs_int32 tot_bytesXferred; /* shared access protected by FS_LOCK */ /* * Set our stats pointers, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_FETCHDATA]); xferP = &(afs_FullPerfStats.det.xferOpTimes[FS_STATS_XFERIDX_FETCHDATA]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ ViceLog(1,("SRXAFS_FetchData, Fid = %u.%d.%d\n", Fid->Volume, Fid->Vnode, Fid->Unique)); FS_LOCK AFSCallStats.FetchData++, AFSCallStats.TotalCalls++; FS_UNLOCK /* CallPreamble changes tcon from a call to a conn */ tcall = (struct rx_call *) tcon; if (errorCode = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_FetchData; /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(5,("SRXAFS_FetchData, Fid = %u.%d.%d, Host %s, Id %d\n", Fid->Volume, Fid->Vnode, Fid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); /* * Get volume/vnode for the fetched file; caller's access rights to * it are also returned */ if (errorCode = GetVolumePackage(tcon, Fid, &volptr, &targetptr, DONTCHECK, &parentwhentargetnotdir, &client, READ_LOCK, &rights, &anyrights)) goto Bad_FetchData; SetVolumeSync(Sync, volptr); #if FS_STATS_DETAILED /* * Remember that another read operation was performed. */ FS_LOCK if (client->InSameNetwork) readIdx = VOL_STATS_SAME_NET; else readIdx = VOL_STATS_DIFF_NET; V_stat_reads(volptr, readIdx)++; if (client->ViceId != AnonymousID) { V_stat_reads(volptr, readIdx+1)++; } FS_UNLOCK #endif /* FS_STATS_DETAILED */ /* Check whether the caller has permission access to fetch the data */ if (errorCode = Check_PermissionRights(targetptr, client, rights, CHK_FETCHDATA, 0)) goto Bad_FetchData; /* * Drop the read lock on the parent directory after saving the parent * vnode information we need to pass to GetStatus */ if (parentwhentargetnotdir != NULL) { tparentwhentargetnotdir = *parentwhentargetnotdir; VPutVnode(&fileCode, parentwhentargetnotdir); assert(!fileCode || (fileCode == VSALVAGE)); parentwhentargetnotdir = NULL; } #if FS_STATS_DETAILED /* * Remember when the data transfer started. */ TM_GetTimeOfDay(&xferStartTime, 0); #endif /* FS_STATS_DETAILED */ /* actually do the data transfer */ #if FS_STATS_DETAILED errorCode = FetchData_RXStyle(volptr, targetptr, tcall, Pos, Len, &bytesToXfer, &bytesXferred); #else if (errorCode = FetchData_RXStyle(volptr, targetptr, tcall, Pos, Len)) goto Bad_FetchData; #endif /* FS_STATS_DETAILED */ #if FS_STATS_DETAILED /* * At this point, the data transfer is done, for good or ill. Remember * when the transfer ended, bump the number of successes/failures, and * integrate the transfer size and elapsed time into the stats. If the * operation failed, we jump to the appropriate point. */ TM_GetTimeOfDay(&xferStopTime, 0); FS_LOCK (xferP->numXfers)++; if (!errorCode) { (xferP->numSuccesses)++; /* * Bump the xfer sum by the number of bytes actually sent, NOT the * target number. */ tot_bytesXferred += bytesXferred; (xferP->sumBytes) += (tot_bytesXferred >> 10); tot_bytesXferred &= 0x3FF; if (bytesXferred < xferP->minBytes) xferP->minBytes = bytesXferred; if (bytesXferred > xferP->maxBytes) xferP->maxBytes = bytesXferred; /* * Tally the size of the object. Note: we tally the actual size, * NOT the number of bytes that made it out over the wire. */ if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET0) (xferP->count[0])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET1) (xferP->count[1])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET2) (xferP->count[2])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET3) (xferP->count[3])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET4) (xferP->count[4])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET5) (xferP->count[5])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET6) (xferP->count[6])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET7) (xferP->count[7])++; else (xferP->count[8])++; fs_stats_GetDiff(elapsedTime, xferStartTime, xferStopTime); fs_stats_AddTo((xferP->sumTime), elapsedTime); fs_stats_SquareAddTo((xferP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (xferP->minTime))) { fs_stats_TimeAssign((xferP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (xferP->maxTime))) { fs_stats_TimeAssign((xferP->maxTime), elapsedTime); } } FS_UNLOCK /* * Finally, go off to tell our caller the bad news in case the * fetch failed. */ if (errorCode) goto Bad_FetchData; #endif /* FS_STATS_DETAILED */ /* write back the OutStatus from the target vnode */ GetStatus(targetptr, OutStatus, rights, anyrights, &tparentwhentargetnotdir); /* if a r/w volume, promise a callback to the caller */ if (VolumeWriteable(volptr)) SetCallBackStruct(AddCallBack(client->host, Fid), CallBack); else { struct AFSFid myFid; bzero(&myFid, sizeof(struct AFSFid)); myFid.Volume = Fid->Volume; SetCallBackStruct(AddVolCallBack(client->host, &myFid), CallBack); } Bad_FetchData: /* Update and store volume/vnode and parent vnodes back */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); ViceLog(2, ("SRXAFS_FetchData returns %d\n", errorCode)); CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (errorCode == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, FetchDataEvent, errorCode, AUD_FID, Fid, AUD_END); return(errorCode); } /*SRXAFS_FetchData*/ SRXAFS_FetchACL (tcon, Fid, AccessList, OutStatus, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of target dir */ struct AFSOpaque *AccessList; /* Returned contents of dir's ACL */ struct AFSFetchStatus *OutStatus; /* Returned status for the dir */ { Vnode * targetptr = 0; /* pointer to vnode to fetch */ Vnode * parentwhentargetnotdir = 0; /* parent vnode if targetptr is a file */ int errorCode = 0; /* return error code to caller */ Volume * volptr = 0; /* pointer to the volume */ struct client *client; /* pointer to the client data */ afs_int32 rights, anyrights; /* rights for this and any user */ struct rx_call *tcall = (struct rx_call *) tcon; struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_FETCHACL]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ ViceLog(1, ("SAFS_FetchACL, Fid = %u.%d.%d\n", Fid->Volume, Fid->Vnode, Fid->Unique)); FS_LOCK AFSCallStats.FetchACL++, AFSCallStats.TotalCalls++; FS_UNLOCK if (errorCode = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_FetchACL; /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(5, ("SAFS_FetchACL, Fid = %u.%d.%d, Host %s, Id %d\n", Fid->Volume, Fid->Vnode, Fid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); AccessList->AFSOpaque_len = 0; AccessList->AFSOpaque_val = malloc(AFSOPAQUEMAX); /* * Get volume/vnode for the fetched file; caller's access rights to it * are also returned */ if (errorCode = GetVolumePackage(tcon, Fid, &volptr, &targetptr, DONTCHECK, &parentwhentargetnotdir, &client, READ_LOCK, &rights, &anyrights)) goto Bad_FetchACL; SetVolumeSync(Sync, volptr); /* Check whether we have permission to fetch the ACL */ if (errorCode = Check_PermissionRights(targetptr, client, rights, CHK_FETCHACL, 0)) goto Bad_FetchACL; /* Get the Access List from the dir's vnode */ if (errorCode = RXFetch_AccessList(targetptr, parentwhentargetnotdir, AccessList)) goto Bad_FetchACL; /* Get OutStatus back From the target Vnode */ GetStatus(targetptr, OutStatus, rights, anyrights, parentwhentargetnotdir); Bad_FetchACL: /* Update and store volume/vnode and parent vnodes back */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); ViceLog(2, ("SAFS_FetchACL returns %d (ACL=%s)\n", errorCode, AccessList->AFSOpaque_val)); CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (errorCode == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, FetchACLEvent, errorCode, AUD_FID, Fid, AUD_END); return errorCode; } /*SRXAFS_FetchACL*/ /* * This routine is called exclusively by SRXAFS_FetchStatus(), and should be * merged into it when possible. */ SAFSS_FetchStatus (tcon, Fid, OutStatus, CallBack, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of target file */ struct AFSFetchStatus *OutStatus; /* Returned status for the fid */ struct AFSCallBack *CallBack; /* if r/w, callback promise for Fid */ struct AFSVolSync *Sync; /* volume synchronization parm */ { Vnode * targetptr = 0; /* pointer to vnode to fetch */ Vnode * parentwhentargetnotdir = 0; /* parent vnode if targetptr is a file */ int errorCode = 0; /* return code to caller */ Volume * volptr = 0; /* pointer to the volume */ struct client *client; /* pointer to the client data */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1, ("SAFS_FetchStatus, Fid = %u.%d.%d, Host %s, Id %d\n", Fid->Volume, Fid->Vnode, Fid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.FetchStatus++, AFSCallStats.TotalCalls++; FS_UNLOCK /* * Get volume/vnode for the fetched file; caller's rights to it are * also returned */ if (errorCode = GetVolumePackage(tcon, Fid, &volptr, &targetptr, DONTCHECK, &parentwhentargetnotdir, &client, READ_LOCK, &rights, &anyrights)) goto Bad_FetchStatus; /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Are we allowed to fetch Fid's status? */ if (targetptr->disk.type != vDirectory) { if (errorCode = Check_PermissionRights(targetptr, client, rights, CHK_FETCHSTATUS, 0)) goto Bad_FetchStatus; } /* set OutStatus From the Fid */ GetStatus(targetptr, OutStatus, rights, anyrights, parentwhentargetnotdir); /* If a r/w volume, also set the CallBack state */ if (VolumeWriteable(volptr)) SetCallBackStruct(AddCallBack(client->host, Fid), CallBack); else { struct AFSFid myFid; bzero(&myFid, sizeof(struct AFSFid)); myFid.Volume = Fid->Volume; SetCallBackStruct(AddVolCallBack(client->host, &myFid), CallBack); } Bad_FetchStatus: /* Update and store volume/vnode and parent vnodes back */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); ViceLog(2, ("SAFS_FetchStatus returns %d\n", errorCode)); return errorCode; } /*SAFSS_FetchStatus*/ SRXAFS_BulkStatus(tcon, Fids, OutStats, CallBacks, Sync) struct rx_connection *tcon; struct AFSCBFids *Fids; struct AFSBulkStats *OutStats; struct AFSCBs *CallBacks; struct AFSVolSync *Sync; { register int i; afs_int32 nfiles; Vnode * targetptr = 0; /* pointer to vnode to fetch */ Vnode * parentwhentargetnotdir = 0; /* parent vnode if targetptr is a file */ int errorCode = 0; /* return code to caller */ Volume * volptr = 0; /* pointer to the volume */ struct client *client; /* pointer to the client data */ afs_int32 rights, anyrights; /* rights for this and any user */ register struct AFSFid *tfid; /* file id we're dealing with now */ struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_BULKSTATUS]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ ViceLog(1, ("SAFS_BulkStatus\n")); FS_LOCK AFSCallStats.TotalCalls++; FS_UNLOCK nfiles = Fids->AFSCBFids_len; /* # of files in here */ if (nfiles <= 0) { /* Sanity check */ errorCode = EINVAL; goto Audit_and_Return; } /* allocate space for return output parameters */ OutStats->AFSBulkStats_val = (struct AFSFetchStatus *) malloc(nfiles * sizeof(struct AFSFetchStatus)); OutStats->AFSBulkStats_len = nfiles; CallBacks->AFSCBs_val = (struct AFSCallBack *) malloc(nfiles * sizeof(struct AFSCallBack)); CallBacks->AFSCBs_len = nfiles; if (errorCode = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_BulkStatus; tfid = Fids->AFSCBFids_val; for (i=0; idisk.type != vDirectory) { if (errorCode = Check_PermissionRights(targetptr, client, rights, CHK_FETCHSTATUS, 0)) goto Bad_BulkStatus; } /* set OutStatus From the Fid */ GetStatus(targetptr, &OutStats->AFSBulkStats_val[i], rights, anyrights, parentwhentargetnotdir); /* If a r/w volume, also set the CallBack state */ if (VolumeWriteable(volptr)) SetCallBackStruct(AddBulkCallBack(client->host, tfid), &CallBacks->AFSCBs_val[i]); else { struct AFSFid myFid; bzero(&myFid, sizeof(struct AFSFid)); myFid.Volume = tfid->Volume; SetCallBackStruct(AddVolCallBack(client->host, &myFid), &CallBacks->AFSCBs_val[i]); } /* put back the file ID and volume */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *) 0, volptr); parentwhentargetnotdir = (Vnode *) 0; targetptr = (Vnode *) 0; volptr = (Volume *) 0; } Bad_BulkStatus: /* Update and store volume/vnode and parent vnodes back */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (errorCode == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ Audit_and_Return: ViceLog(2, ("SAFS_BulkStatus returns %d\n", errorCode)); osi_auditU (tcall, BulkFetchStatusEvent, errorCode, AUD_FIDS, Fids, AUD_END); return errorCode; } /*SRXAFS_BulkStatus*/ SRXAFS_FetchStatus (tcon, Fid, OutStatus, CallBack, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of target file */ struct AFSFetchStatus *OutStatus; /* Returned status for the fid */ struct AFSCallBack *CallBack; /* if r/w, callback promise for Fid */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_FETCHSTATUS]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_FetchStatus; code = SAFSS_FetchStatus (tcon, Fid, OutStatus, CallBack, Sync); Bad_FetchStatus: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, FetchStatusEvent, code, AUD_FID, Fid, AUD_END); return code; } /*SRXAFS_FetchStatus*/ SRXAFS_StoreData (tcon, Fid, InStatus, Pos, Length, FileLength, OutStatus, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection Handle */ struct AFSFid *Fid; /* Fid of taret file */ struct AFSStoreStatus *InStatus; /* Input Status for Fid */ afs_int32 Pos; /* Not implemented yet */ afs_int32 Length; /* Length of data to store */ afs_int32 FileLength; /* Length of file after store */ struct AFSFetchStatus *OutStatus; /* Returned status for target fid */ { Vnode * targetptr = 0; /* pointer to input fid */ Vnode * parentwhentargetnotdir = 0; /* parent of Fid to get ACL */ Vnode tparentwhentargetnotdir; /* parent vnode for GetStatus */ int errorCode = 0; /* return code for caller */ int fileCode = 0; /* return code from vol package */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client structure */ struct rx_call *tcall; /* remember the call structure for ftp */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct fs_stats_xferData *xferP; /* Ptr to this op's byte size struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval xferStartTime, xferStopTime; /* Start/stop times for xfer portion*/ struct timeval elapsedTime; /* Transfer time */ afs_int32 bytesToXfer; /* # bytes to xfer */ afs_int32 bytesXferred; /* # bytes actually xfer */ static afs_int32 tot_bytesXferred; /* shared access protected by FS_LOCK */ /* * Set our stats pointers, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_STOREDATA]); xferP = &(afs_FullPerfStats.det.xferOpTimes[FS_STATS_XFERIDX_STOREDATA]); FS_LOCK (opP->numOps)++; FS_UNLOCK ViceLog(1, ("StoreData: Fid = %u.%d.%d\n", Fid->Volume, Fid->Vnode, Fid->Unique)); TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ FS_LOCK AFSCallStats.StoreData++, AFSCallStats.TotalCalls++; FS_UNLOCK /* CallPreamble changes tcon from a call to a conn */ tcall = (struct rx_call *) tcon; if (errorCode = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_StoreData; /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(5, ("StoreData: Fid = %u.%d.%d, Host %s, Id %d\n", Fid->Volume, Fid->Vnode, Fid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); /* * Get associated volume/vnode for the stored file; caller's rights * are also returned */ if (errorCode = GetVolumePackage(tcon, Fid, &volptr, &targetptr, MustNOTBeDIR, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_StoreData; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); if ((targetptr->disk.type == vSymlink)) { /* Should we return a better error code here??? */ errorCode = EISDIR; goto Bad_StoreData; } /* Check if we're allowed to store the data */ if (errorCode = Check_PermissionRights(targetptr, client, rights, CHK_STOREDATA, InStatus)) { goto Bad_StoreData; } /* * Drop the read lock on the parent directory after saving the parent * vnode information we need to pass to GetStatus */ if (parentwhentargetnotdir != NULL) { tparentwhentargetnotdir = *parentwhentargetnotdir; VPutVnode(&fileCode, parentwhentargetnotdir); assert(!fileCode || (fileCode == VSALVAGE)); parentwhentargetnotdir = NULL; } #if FS_STATS_DETAILED /* * Remember when the data transfer started. */ TM_GetTimeOfDay(&xferStartTime, 0); #endif /* FS_STATS_DETAILED */ /* Do the actual storing of the data */ #if FS_STATS_DETAILED errorCode = StoreData_RXStyle(volptr, targetptr, Fid, client, tcall, Pos, Length, FileLength, (InStatus->Mask & AFS_FSYNC), &bytesToXfer, &bytesXferred); #else errorCode = StoreData_RXStyle(volptr, targetptr, Fid, client, tcall, Pos, Length, FileLength, (InStatus->Mask & AFS_FSYNC)); if (errorCode && (!targetptr->changed_newTime)) goto Bad_StoreData; #endif /* FS_STATS_DETAILED */ #if FS_STATS_DETAILED /* * At this point, the data transfer is done, for good or ill. Remember * when the transfer ended, bump the number of successes/failures, and * integrate the transfer size and elapsed time into the stats. If the * operation failed, we jump to the appropriate point. */ TM_GetTimeOfDay(&xferStopTime, 0); FS_LOCK (xferP->numXfers)++; if (!errorCode) { (xferP->numSuccesses)++; /* * Bump the xfer sum by the number of bytes actually sent, NOT the * target number. */ tot_bytesXferred += bytesXferred; (xferP->sumBytes) += (tot_bytesXferred >> 10); tot_bytesXferred &= 0x3FF; if (bytesXferred < xferP->minBytes) xferP->minBytes = bytesXferred; if (bytesXferred > xferP->maxBytes) xferP->maxBytes = bytesXferred; /* * Tally the size of the object. Note: we tally the actual size, * NOT the number of bytes that made it out over the wire. */ if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET0) (xferP->count[0])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET1) (xferP->count[1])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET2) (xferP->count[2])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET3) (xferP->count[3])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET4) (xferP->count[4])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET5) (xferP->count[5])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET6) (xferP->count[6])++; else if (bytesToXfer <= FS_STATS_MAXBYTES_BUCKET7) (xferP->count[7])++; else (xferP->count[8])++; fs_stats_GetDiff(elapsedTime, xferStartTime, xferStopTime); fs_stats_AddTo((xferP->sumTime), elapsedTime); fs_stats_SquareAddTo((xferP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (xferP->minTime))) { fs_stats_TimeAssign((xferP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (xferP->maxTime))) { fs_stats_TimeAssign((xferP->maxTime), elapsedTime); } } FS_UNLOCK /* * Finally, go off to tell our caller the bad news in case the * store failed. */ if (errorCode && (!targetptr->changed_newTime)) goto Bad_StoreData; #endif /* FS_STATS_DETAILED */ /* Update the status of the target's vnode */ Update_TargetVnodeStatus(targetptr, TVS_SDATA, client, InStatus, targetptr, volptr, 0); /* Get the updated File's status back to the caller */ GetStatus(targetptr, OutStatus, rights, anyrights, &tparentwhentargetnotdir); Bad_StoreData: /* Update and store volume/vnode and parent vnodes back */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); ViceLog(2, ("SAFS_StoreData returns %d\n", errorCode)); CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (errorCode == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, StoreDataEvent, errorCode, AUD_FID, Fid, AUD_END); return(errorCode); } /*SRXAFS_StoreData*/ SRXAFS_StoreACL (tcon, Fid, AccessList, OutStatus, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Target dir's fid */ struct AFSOpaque *AccessList; /* Access List's contents */ struct AFSFetchStatus *OutStatus; /* Returned status of fid */ { Vnode * targetptr = 0; /* pointer to input fid */ Vnode * parentwhentargetnotdir = 0; /* parent of Fid to get ACL */ int errorCode = 0; /* return code for caller */ struct AFSStoreStatus InStatus; /* Input status for fid */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ struct rx_call *tcall = (struct rx_call *) tcon; struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_STOREACL]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (errorCode = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_StoreACL; /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1, ("SAFS_StoreACL, Fid = %u.%d.%d, ACL=%s, Host %s, Id %d\n", Fid->Volume, Fid->Vnode, Fid->Unique, AccessList->AFSOpaque_val, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.StoreACL++, AFSCallStats.TotalCalls++; FS_UNLOCK InStatus.Mask = 0; /* not storing any status */ /* * Get associated volume/vnode for the target dir; caller's rights * are also returned. */ if (errorCode = GetVolumePackage(tcon, Fid, &volptr, &targetptr, MustBeDIR, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_StoreACL; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Check if we have permission to change the dir's ACL */ if (errorCode = Check_PermissionRights(targetptr, client, rights, CHK_STOREACL, &InStatus)) { goto Bad_StoreACL; } /* Build and store the new Access List for the dir */ if (errorCode = RXStore_AccessList(targetptr, AccessList)) { goto Bad_StoreACL; } targetptr->changed_newTime = 1; /* status change of directory */ /* convert the write lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, targetptr); assert(!errorCode || errorCode == VSALVAGE); /* break call backs on the directory */ BreakCallBack(client->host, Fid, 0); /* Get the updated dir's status back to the caller */ GetStatus(targetptr, OutStatus, rights, anyrights, (struct vnode *)0); Bad_StoreACL: /* Update and store volume/vnode and parent vnodes back */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); ViceLog(2, ("SAFS_StoreACL returns %d\n", errorCode)); CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (errorCode == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, StoreACLEvent, errorCode, AUD_FID, Fid, AUD_END); return errorCode; } /*SRXAFS_StoreACL*/ /* * Note: This routine is called exclusively from SRXAFS_StoreStatus(), and * should be merged when possible. */ SAFSS_StoreStatus (tcon, Fid, InStatus, OutStatus, Sync) struct rx_connection *tcon; /* Rx connection Handle */ struct AFSFid *Fid; /* Target file's fid */ struct AFSStoreStatus *InStatus; /* Input status for Fid */ struct AFSFetchStatus *OutStatus; /* Output status for fid */ struct AFSVolSync *Sync; { Vnode * targetptr = 0; /* pointer to input fid */ Vnode * parentwhentargetnotdir = 0; /* parent of Fid to get ACL */ int errorCode = 0; /* return code for caller */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1, ("SAFS_StoreStatus, Fid = %u.%d.%d, Host %s, Id %d\n", Fid->Volume, Fid->Vnode, Fid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.StoreStatus++, AFSCallStats.TotalCalls++; FS_UNLOCK /* * Get volume/vnode for the target file; caller's rights to it are * also returned */ if (errorCode = GetVolumePackage(tcon, Fid, &volptr, &targetptr, DONTCHECK, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_StoreStatus; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Check if the caller has proper permissions to store status to Fid */ if (errorCode = Check_PermissionRights(targetptr, client, rights, CHK_STORESTATUS, InStatus)) { goto Bad_StoreStatus; } /* * Check for a symbolic link; we can't chmod these (otherwise could * change a symlink to a mt pt or vice versa) */ if (targetptr->disk.type == vSymlink && (InStatus->Mask & AFS_SETMODE)) { errorCode = EINVAL; goto Bad_StoreStatus; } /* Update the status of the target's vnode */ Update_TargetVnodeStatus(targetptr, TVS_SSTATUS, client, InStatus, (parentwhentargetnotdir ? parentwhentargetnotdir : targetptr), volptr, 0); /* convert the write lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, targetptr); assert(!errorCode || errorCode == VSALVAGE); /* Break call backs on Fid */ BreakCallBack(client->host, Fid, 0); /* Return the updated status back to caller */ GetStatus(targetptr, OutStatus, rights, anyrights, parentwhentargetnotdir); Bad_StoreStatus: /* Update and store volume/vnode and parent vnodes back */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); ViceLog(2, ("SAFS_StoreStatus returns %d\n", errorCode)); return errorCode; } /*SAFSS_StoreStatus*/ SRXAFS_StoreStatus (tcon, Fid, InStatus, OutStatus, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection Handle */ struct AFSFid *Fid; /* Target file's fid */ struct AFSStoreStatus *InStatus; /* Input status for Fid */ struct AFSFetchStatus *OutStatus; /* Output status for fid */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_STORESTATUS]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_StoreStatus; code = SAFSS_StoreStatus (tcon, Fid, InStatus, OutStatus, Sync); Bad_StoreStatus: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, StoreStatusEvent, code, AUD_FID, Fid, AUD_END); return code; } /*SRXAFS_StoreStatus*/ /* * This routine is called exclusively by SRXAFS_RemoveFile(), and should be * merged in when possible. */ SAFSS_RemoveFile (tcon, DirFid, Name, OutDirStatus, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Dir fid for file to remove */ char *Name; /* File name to remove */ struct AFSFetchStatus *OutDirStatus; /* Output status for dir fid's */ struct AFSVolSync *Sync; { Vnode * parentptr = 0; /* vnode of input Directory */ Vnode * parentwhentargetnotdir = 0; /* parent for use in SetAccessList */ Vnode * targetptr = 0; /* file to be deleted */ Volume * volptr = 0; /* pointer to the volume header */ AFSFid fileFid; /* area for Fid from the directory */ int errorCode = 0; /* error code */ DirHandle dir; /* Handle for dir package I/O */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1, ("SAFS_RemoveFile %s, Did = %u.%d.%d, Host %s, Id %d\n", Name, DirFid->Volume, DirFid->Vnode, DirFid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.RemoveFile++, AFSCallStats.TotalCalls++; FS_UNLOCK /* * Get volume/vnode for the parent dir; caller's access rights are * also returned */ if (errorCode = GetVolumePackage(tcon, DirFid, &volptr, &parentptr, MustBeDIR, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_RemoveFile; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Does the caller has delete (& write) access to the parent directory? */ if (errorCode = CheckWriteMode(parentptr, rights, PRSFS_DELETE)) { goto Bad_RemoveFile; } /* Actually delete the desired file */ if (errorCode = DeleteTarget(parentptr, volptr, &targetptr, &dir, &fileFid, Name, MustNOTBeDIR)) { goto Bad_RemoveFile; } /* Update the vnode status of the parent dir */ #if FS_STATS_DETAILED Update_ParentVnodeStatus(parentptr, volptr, &dir, client->ViceId, parentptr->disk.linkCount, client->InSameNetwork); #else Update_ParentVnodeStatus(parentptr, volptr, &dir, client->ViceId, parentptr->disk.linkCount); #endif /* FS_STATS_DETAILED */ /* Return the updated parent dir's status back to caller */ GetStatus(parentptr, OutDirStatus, rights, anyrights, (struct vnode *)0); /* Handle internal callback state for the parent and the deleted file */ if (targetptr->disk.linkCount == 0) { /* no references left, discard entry */ DeleteFileCallBacks(&fileFid); /* convert the parent lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, parentptr); assert(!errorCode || errorCode == VSALVAGE); } else { /* convert the parent lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, parentptr); assert(!errorCode || errorCode == VSALVAGE); /* convert the target lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, targetptr); assert(!errorCode || errorCode == VSALVAGE); /* tell all the file has changed */ BreakCallBack(client->host, &fileFid, 1); } /* break call back on the directory */ BreakCallBack(client->host, DirFid, 0); Bad_RemoveFile: /* Update and store volume/vnode and parent vnodes back */ PutVolumePackage(parentwhentargetnotdir, targetptr, parentptr, volptr); ViceLog(2, ("SAFS_RemoveFile returns %d\n", errorCode)); return errorCode; } /*SAFSS_RemoveFile*/ SRXAFS_RemoveFile (tcon, DirFid, Name, OutDirStatus, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Dir fid for file to remove */ char *Name; /* File name to remove */ struct AFSFetchStatus *OutDirStatus; /* Output status for dir fid's */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_REMOVEFILE]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_RemoveFile; code = SAFSS_RemoveFile (tcon, DirFid, Name, OutDirStatus, Sync); Bad_RemoveFile: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, RemoveFileEvent, code, AUD_FID, DirFid, AUD_STR, Name, AUD_END); return code; } /*SRXAFS_RemoveFile*/ /* * This routine is called exclusively from SRXAFS_CreateFile(), and should * be merged in when possible. */ SAFSS_CreateFile (tcon, DirFid, Name, InStatus, OutFid, OutFidStatus, OutDirStatus, CallBack, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent Dir fid */ char *Name; /* File name to be created */ struct AFSStoreStatus *InStatus; /* Input status for newly created file */ struct AFSFid *OutFid; /* Fid for newly created file */ struct AFSFetchStatus *OutFidStatus; /* Output status for new file */ struct AFSFetchStatus *OutDirStatus; /* Ouput status for the parent dir */ struct AFSCallBack *CallBack; /* Return callback promise for new file */ struct AFSVolSync *Sync; { Vnode * parentptr = 0; /* vnode of input Directory */ Vnode * targetptr = 0; /* vnode of the new file */ Vnode * parentwhentargetnotdir = 0; /* parent for use in SetAccessList */ Volume * volptr = 0; /* pointer to the volume header */ int errorCode = 0; /* error code */ DirHandle dir; /* Handle for dir package I/O */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1, ("SAFS_CreateFile %s, Did = %u.%d.%d, Host %s, Id %d\n", Name, DirFid->Volume, DirFid->Vnode, DirFid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.CreateFile++, AFSCallStats.TotalCalls++; FS_UNLOCK if (!FileNameOK(Name)) { errorCode = EINVAL; goto Bad_CreateFile; } /* * Get associated volume/vnode for the parent dir; caller long are * also returned */ if (errorCode = GetVolumePackage(tcon, DirFid, &volptr, &parentptr, MustBeDIR, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_CreateFile; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Can we write (and insert) onto the parent directory? */ if (errorCode = CheckWriteMode(parentptr, rights, PRSFS_INSERT)) { goto Bad_CreateFile; } /* get a new vnode for the file to be created and set it up */ if (errorCode = Alloc_NewVnode(parentptr, &dir, volptr, &targetptr, Name, OutFid, vFile, nBlocks(0))) { goto Bad_CreateFile; } /* update the status of the parent vnode */ #if FS_STATS_DETAILED Update_ParentVnodeStatus(parentptr, volptr, &dir, client->ViceId, parentptr->disk.linkCount, client->InSameNetwork); #else Update_ParentVnodeStatus(parentptr, volptr, &dir, client->ViceId, parentptr->disk.linkCount); #endif /* FS_STATS_DETAILED */ /* update the status of the new file's vnode */ Update_TargetVnodeStatus(targetptr, TVS_CFILE, client, InStatus, parentptr, volptr, 0); /* set up the return status for the parent dir and the newly created file */ GetStatus(targetptr, OutFidStatus, rights, anyrights, parentptr); GetStatus(parentptr, OutDirStatus, rights, anyrights, (struct vnode *)0); /* convert the write lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, parentptr); assert(!errorCode || errorCode == VSALVAGE); /* break call back on parent dir */ BreakCallBack(client->host, DirFid, 0); /* Return a callback promise for the newly created file to the caller */ SetCallBackStruct(AddCallBack(client->host, OutFid), CallBack); Bad_CreateFile: /* Update and store volume/vnode and parent vnodes back */ PutVolumePackage(parentwhentargetnotdir, targetptr, parentptr, volptr); ViceLog(2, ("SAFS_CreateFile returns %d\n", errorCode)); return errorCode; } /*SAFSS_CreateFile*/ SRXAFS_CreateFile (tcon, DirFid, Name, InStatus, OutFid, OutFidStatus, OutDirStatus, CallBack, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent Dir fid */ char *Name; /* File name to be created */ struct AFSStoreStatus *InStatus; /* Input status for newly created file */ struct AFSFid *OutFid; /* Fid for newly created file */ struct AFSFetchStatus *OutFidStatus; /* Output status for new file */ struct AFSFetchStatus *OutDirStatus; /* Ouput status for the parent dir */ struct AFSCallBack *CallBack; /* Return callback promise for new file */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_CREATEFILE]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_CreateFile; code = SAFSS_CreateFile (tcon, DirFid, Name, InStatus, OutFid, OutFidStatus, OutDirStatus, CallBack, Sync); Bad_CreateFile: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, CreateFileEvent, code, AUD_FID, DirFid, AUD_STR, Name, AUD_END); return code; } /*SRXAFS_CreateFile*/ /* * This routine is called exclusively from SRXAFS_Rename(), and should be * merged in when possible. */ SAFSS_Rename (tcon, OldDirFid, OldName, NewDirFid, NewName, OutOldDirStatus, OutNewDirStatus, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *OldDirFid; /* From parent dir's fid */ char *OldName; /* From file name */ struct AFSFid *NewDirFid; /* To parent dir's fid */ char *NewName; /* To new file name */ struct AFSFetchStatus *OutOldDirStatus; /* Output status for From parent dir */ struct AFSFetchStatus *OutNewDirStatus; /* Output status for To parent dir */ struct AFSVolSync *Sync; { Vnode * oldvptr = 0; /* vnode of the old Directory */ Vnode * newvptr = 0; /* vnode of the new Directory */ Vnode * fileptr = 0; /* vnode of the file to move */ Vnode * newfileptr = 0; /* vnode of the file to delete */ Vnode * testvptr = 0; /* used in directory tree walk */ Vnode * parent = 0; /* parent for use in SetAccessList */ int errorCode = 0; /* error code */ int fileCode = 0; /* used when writing Vnodes */ VnodeId testnode; /* used in directory tree walk */ AFSFid fileFid; /* Fid of file to move */ AFSFid newFileFid; /* Fid of new file */ DirHandle olddir; /* Handle for dir package I/O */ DirHandle newdir; /* Handle for dir package I/O */ DirHandle filedir; /* Handle for dir package I/O */ DirHandle newfiledir; /* Handle for dir package I/O */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ afs_int32 newrights; /* rights for this user */ afs_int32 newanyrights; /* rights for any user */ int doDelete; /* deleted the rename target (ref count now 0) */ int code; struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1, ("SAFS_Rename %s to %s, Fid = %u.%d.%d to %u.%d.%d, Host %s, Id %d\n", OldName, NewName, OldDirFid->Volume, OldDirFid->Vnode, OldDirFid->Unique, NewDirFid->Volume, NewDirFid->Vnode, NewDirFid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.Rename++, AFSCallStats.TotalCalls++; FS_UNLOCK if (!FileNameOK(NewName)) { errorCode = EINVAL; goto Bad_Rename; } if (OldDirFid->Volume != NewDirFid->Volume) { DFlush(); errorCode = EXDEV; goto Bad_Rename; } if ( (strcmp(OldName, ".") == 0) || (strcmp(OldName, "..") == 0) || (strcmp(NewName, ".") == 0) || (strcmp(NewName, "..") == 0) || (strlen(NewName) == 0) || (strlen(OldName) == 0) ) { DFlush(); errorCode = EINVAL; goto Bad_Rename; } if (OldDirFid->Vnode <= NewDirFid->Vnode) { if (errorCode = GetVolumePackage(tcon, OldDirFid, &volptr, &oldvptr, MustBeDIR, &parent, &client, WRITE_LOCK, &rights, &anyrights)) { DFlush(); goto Bad_Rename; } if (OldDirFid->Vnode == NewDirFid->Vnode) { newvptr = oldvptr; newrights = rights, newanyrights = anyrights; } else if (errorCode = GetVolumePackage(tcon, NewDirFid, &volptr, &newvptr, MustBeDIR, &parent, &client, WRITE_LOCK, &newrights, &newanyrights)) { DFlush(); goto Bad_Rename; } } else { if (errorCode = GetVolumePackage(tcon, NewDirFid, &volptr, &newvptr, MustBeDIR, &parent, &client, WRITE_LOCK, &newrights, &newanyrights)) { DFlush(); goto Bad_Rename; } if (errorCode = GetVolumePackage(tcon, OldDirFid, &volptr, &oldvptr, MustBeDIR, &parent, &client, WRITE_LOCK, &rights, &anyrights)) { DFlush(); goto Bad_Rename; } } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); if (errorCode = CheckWriteMode(oldvptr, rights, PRSFS_DELETE)) { goto Bad_Rename; } if (errorCode = CheckWriteMode(newvptr, newrights, PRSFS_INSERT)) { goto Bad_Rename; } /* The CopyOnWrite might return ENOSPC ( disk full). Even if the second * call to CopyOnWrite returns error, it is not necessary to revert back * the effects of the first call because the contents of the volume is * not modified, it is only replicated. */ if (oldvptr->disk.cloned) { ViceLog(25, ("Rename : calling CopyOnWrite on old dir\n")); if ( errorCode = CopyOnWrite(oldvptr, volptr) ) goto Bad_Rename; } SetDirHandle(&olddir, oldvptr); if (newvptr->disk.cloned) { ViceLog(25, ("Rename : calling CopyOnWrite on new dir\n")); if ( errorCode = CopyOnWrite(newvptr, volptr) ) goto Bad_Rename; } SetDirHandle(&newdir, newvptr); /* Lookup the file to delete its vnode */ if (Lookup(&olddir, OldName, &fileFid)) { errorCode = ENOENT; goto Bad_Rename; } if (fileFid.Vnode == oldvptr->vnodeNumber || fileFid.Vnode == newvptr->vnodeNumber) { errorCode = FSERR_ELOOP; goto Bad_Rename; } fileFid.Volume = V_id(volptr); fileptr = VGetVnode(&errorCode, volptr, fileFid.Vnode, WRITE_LOCK); if (errorCode != 0) { ViceLog (0, ("SAFSS_Rename(): Error in VGetVnode() for old file %s, code %d\n", OldName, errorCode)); VTakeOffline (volptr); goto Bad_Rename; } if (fileptr->disk.uniquifier != fileFid.Unique) { ViceLog (0, ("SAFSS_Rename(): Old file %s uniquifier mismatch\n", OldName)); VTakeOffline (volptr); errorCode = EIO; goto Bad_Rename; } if (fileptr->disk.type != vDirectory && oldvptr != newvptr && fileptr->disk.linkCount != 1) { /* * Hard links exist to this file - cannot move one of the links to * a new directory because of AFS restrictions (this is the same * reason that links cannot be made across directories, i.e. * access lists) */ errorCode = EXDEV; goto Bad_Rename; } /* Lookup the new file */ if (!(Lookup(&newdir, NewName, &newFileFid))) { if (!(newrights & PRSFS_DELETE)) { errorCode = EACCES; goto Bad_Rename; } if (newFileFid.Vnode == oldvptr->vnodeNumber || newFileFid.Vnode == newvptr->vnodeNumber || newFileFid.Vnode == fileFid.Vnode) { errorCode = EINVAL; goto Bad_Rename; } newFileFid.Volume = V_id(volptr); newfileptr = VGetVnode(&errorCode, volptr, newFileFid.Vnode, WRITE_LOCK); if (errorCode != 0) { ViceLog (0, ("SAFSS_Rename(): Error in VGetVnode() for new file %s, code %d\n", NewName, errorCode)); VTakeOffline (volptr); goto Bad_Rename; } if (fileptr->disk.uniquifier != fileFid.Unique) { ViceLog (0, ("SAFSS_Rename(): New file %s uniquifier mismatch\n", NewName)); VTakeOffline (volptr); errorCode = EIO; goto Bad_Rename; } SetDirHandle(&newfiledir, newfileptr); /* Now check that we're moving directories over directories properly, etc. * return proper POSIX error codes: * if fileptr is a file and new is a dir: EISDIR. * if fileptr is a dir and new is a file: ENOTDIR. * Also, dir to be removed must be empty, of course. */ if (newfileptr->disk.type == vDirectory) { if (fileptr->disk.type != vDirectory) { errorCode = EISDIR; goto Bad_Rename; } if ((IsEmpty(&newfiledir))) { errorCode = EEXIST; goto Bad_Rename; } } else { if (fileptr->disk.type == vDirectory) { errorCode = ENOTDIR; goto Bad_Rename; } } } /* * ok - now we check that the old name is not above new name in the * directory structure. This is to prevent removing a subtree alltogether */ if ((oldvptr != newvptr) && (fileptr->disk.type == vDirectory)) { for (testnode = newvptr->disk.parent; testnode != 0;) { if (testnode == oldvptr->vnodeNumber) { testnode = oldvptr->disk.parent; continue; } if ((testnode == fileptr->vnodeNumber) || (testnode == newvptr->vnodeNumber)) { errorCode = FSERR_ELOOP; goto Bad_Rename; } if ((newfileptr) && (testnode == newfileptr->vnodeNumber)) { errorCode = FSERR_ELOOP; goto Bad_Rename; } testvptr = VGetVnode(&errorCode, volptr, testnode, READ_LOCK); assert(errorCode == 0); testnode = testvptr->disk.parent; VPutVnode(&errorCode, testvptr); assert(errorCode == 0); } } /* Do the CopyonWrite first before modifying anything else. Copying is * required because we may have to change entries for .. */ if ((fileptr->disk.type == vDirectory ) && (fileptr->disk.cloned) ) { ViceLog(25, ("Rename : calling CopyOnWrite on target dir\n")); if ( errorCode = CopyOnWrite(fileptr, volptr) ) goto Bad_Rename; } /* If the new name exists already, delete it and the file it points to */ doDelete = 0; if (newfileptr) { /* Delete NewName from its directory */ code = Delete(&newdir, NewName); assert(code == 0); /* Drop the link count */ newfileptr->disk.linkCount--; if (newfileptr->disk.linkCount == 0) { /* Link count 0 - delete */ VAdjustDiskUsage(&errorCode, volptr, -(int)nBlocks(newfileptr->disk.length), 0); if (VN_GET_INO(newfileptr)) { IH_REALLYCLOSE(newfileptr->handle); errorCode = IH_DEC(V_linkHandle(volptr), VN_GET_INO(newfileptr), V_parentId(volptr)); IH_RELEASE(newfileptr->handle); if (errorCode == -1) { ViceLog(0, ("Del: inode=%d, name=%s, errno=%d\n", PrintInode(NULL, VN_GET_INO(newfileptr)), NewName, errno)); if ((errno != ENOENT) && (errno != EIO) && (errno != ENXIO)) ViceLog(0, ("Do we need to fsck?")); } } VN_SET_INO(newfileptr, (Inode)0); newfileptr->delete = 1; /* Mark NewName vnode to delete */ doDelete = 1; } else { /* Link count did not drop to zero. * Mark NewName vnode as changed - updates stime. */ newfileptr->changed_newTime = 1; } } /* * If the create below fails, and the delete above worked, we have * removed the new name and not replaced it. This is not very likely, * but possible. We could try to put the old file back, but it is * highly unlikely that it would work since it would involve issuing * another create. */ if (errorCode = Create(&newdir,(char *) NewName, &fileFid)) goto Bad_Rename; /* Delete the old name */ assert(Delete(&olddir,(char *) OldName) == 0); /* if the directory length changes, reflect it in the statistics */ #if FS_STATS_DETAILED Update_ParentVnodeStatus(oldvptr, volptr, &olddir, client->ViceId, oldvptr->disk.linkCount, client->InSameNetwork); Update_ParentVnodeStatus(newvptr, volptr, &newdir, client->ViceId, newvptr->disk.linkCount, client->InSameNetwork); #else Update_ParentVnodeStatus(oldvptr, volptr, &olddir, client->ViceId, oldvptr->disk.linkCount); Update_ParentVnodeStatus(newvptr, volptr, &newdir, client->ViceId, newvptr->disk.linkCount); #endif /* FS_STATS_DETAILED */ if (oldvptr == newvptr) oldvptr->disk.dataVersion--; /* Since it was bumped by 2! */ fileptr->disk.parent = newvptr->vnodeNumber; fileptr->changed_newTime = 1; /* status change of moved file */ /* if we are dealing with a rename of a directory */ if (fileptr->disk.type == vDirectory) { assert(!fileptr->disk.cloned); SetDirHandle(&filedir, fileptr); /* fix .. to point to the correct place */ Delete(&filedir, ".."); /* No assert--some directories may be bad */ assert(Create(&filedir, "..", NewDirFid) == 0); fileptr->disk.dataVersion++; /* if the parent directories are different the link counts have to be */ /* changed due to .. in the renamed directory */ if (oldvptr != newvptr) { oldvptr->disk.linkCount--; newvptr->disk.linkCount++; } } /* set up return status */ GetStatus(oldvptr, OutOldDirStatus, rights, anyrights, (struct vnode *)0); GetStatus(newvptr, OutNewDirStatus, newrights, newanyrights, (struct vnode *)0); if (newfileptr && doDelete) { DeleteFileCallBacks(&newFileFid); /* no other references */ } DFlush(); /* convert the write locks to a read locks before breaking callbacks */ VVnodeWriteToRead(&errorCode, newvptr); assert(!errorCode || errorCode == VSALVAGE); if (oldvptr != newvptr) { VVnodeWriteToRead(&errorCode, oldvptr); assert(!errorCode || errorCode == VSALVAGE); } if (newfileptr && !doDelete) { /* convert the write lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, newfileptr); assert(!errorCode || errorCode == VSALVAGE); } /* break call back on NewDirFid, OldDirFid, NewDirFid and newFileFid */ BreakCallBack(client->host, NewDirFid, 0); if (oldvptr != newvptr) { BreakCallBack(client->host, OldDirFid, 0); if (fileptr->disk.type == vDirectory) /* if a dir moved, .. changed */ BreakCallBack(client->host, &fileFid, 0); } if (newfileptr) { /* Note: it is not necessary to break the callback */ if (doDelete) DeleteFileCallBacks(&newFileFid); /* no other references */ else /* other's still exist (with wrong link count) */ BreakCallBack(client->host, &newFileFid, 1); } Bad_Rename: if (newfileptr) { VPutVnode(&fileCode, newfileptr); assert(fileCode == 0); } PutVolumePackage(fileptr, (newvptr && newvptr != oldvptr? newvptr : 0), oldvptr, volptr); ViceLog(2, ("SAFS_Rename returns %d\n", errorCode)); return errorCode; } /*SAFSS_Rename*/ SRXAFS_Rename (tcon, OldDirFid, OldName, NewDirFid, NewName, OutOldDirStatus, OutNewDirStatus, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *OldDirFid; /* From parent dir's fid */ char *OldName; /* From file name */ struct AFSFid *NewDirFid; /* To parent dir's fid */ char *NewName; /* To new file name */ struct AFSFetchStatus *OutOldDirStatus; /* Output status for From parent dir */ struct AFSFetchStatus *OutNewDirStatus; /* Output status for To parent dir */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_RENAME]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_Rename; code = SAFSS_Rename (tcon, OldDirFid, OldName, NewDirFid, NewName, OutOldDirStatus, OutNewDirStatus, Sync); Bad_Rename: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, RenameFileEvent, code, AUD_FID, OldDirFid, AUD_STR, OldName, AUD_FID, NewDirFid, AUD_STR, NewName, AUD_END); return code; } /*SRXAFS_Rename*/ /* * This routine is called exclusively by SRXAFS_Symlink(), and should be * merged into it when possible. */ SAFSS_Symlink (tcon, DirFid, Name, LinkContents, InStatus, OutFid, OutFidStatus, OutDirStatus, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent dir's fid */ char *Name; /* File name to create */ char *LinkContents; /* Contents of the new created file */ struct AFSStoreStatus *InStatus; /* Input status for the new symbolic link */ struct AFSFid *OutFid; /* Fid for newly created symbolic link */ struct AFSFetchStatus *OutFidStatus; /* Output status for new symbolic link */ struct AFSFetchStatus *OutDirStatus; /* Output status for parent dir */ struct AFSVolSync *Sync; /* volume synchronization information */ { Vnode * parentptr = 0; /* vnode of input Directory */ Vnode * targetptr = 0; /* vnode of the new link */ Vnode * parentwhentargetnotdir = 0; /* parent for use in SetAccessList */ int errorCode = 0; /* error code */ int code = 0; DirHandle dir; /* Handle for dir package I/O */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights, fd; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ FdHandle_t *fdP; /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1, ("SAFS_Symlink %s to %s, Did = %u.%d.%d, Host %s, Id %d\n", Name, LinkContents, DirFid->Volume, DirFid->Vnode, DirFid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.Symlink++, AFSCallStats.TotalCalls++; FS_UNLOCK if (!FileNameOK(Name)) { errorCode = EINVAL; goto Bad_SymLink; } /* * Get the vnode and volume for the parent dir along with the caller's * rights to it */ if (errorCode = GetVolumePackage(tcon, DirFid, &volptr, &parentptr, MustBeDIR, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_SymLink; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Does the caller has insert (and write) access to the parent directory? */ if (errorCode = CheckWriteMode(parentptr, rights, PRSFS_INSERT)) { goto Bad_SymLink; } /* * If we're creating a mount point (owner mode bits sans x bit), we must * have administer access to the directory, too. Always allow sysadmins * to do this. */ if ((InStatus->Mask & AFS_SETMODE) && !(InStatus->UnixModeBits & 0100)) { /* * We have a symlink, 'cause we're trying to set the Unix mode bits * to something without the owner x bits (default mode bits if * AFS_SETMODE is false is 0777) */ if (VanillaUser(client) && !(rights & PRSFS_ADMINISTER)) { errorCode = EACCES; goto Bad_SymLink; } } /* get a new vnode for the symlink and set it up */ if (errorCode = Alloc_NewVnode(parentptr, &dir, volptr, &targetptr, Name, OutFid, vSymlink, nBlocks(strlen((char *) LinkContents)))) { goto Bad_SymLink; } /* update the status of the parent vnode */ #if FS_STATS_DETAILED Update_ParentVnodeStatus(parentptr, volptr, &dir, client->ViceId, parentptr->disk.linkCount, client->InSameNetwork); #else Update_ParentVnodeStatus(parentptr, volptr, &dir, client->ViceId, parentptr->disk.linkCount); #endif /* FS_STATS_DETAILED */ /* update the status of the new symbolic link file vnode */ Update_TargetVnodeStatus(targetptr, TVS_SLINK, client, InStatus, parentptr, volptr, strlen((char *)LinkContents)); /* Write the contents of the symbolic link name into the target inode */ fdP = IH_OPEN(targetptr->handle); assert(fdP != NULL); assert(FDH_WRITE(fdP, (char *) LinkContents, strlen((char *) LinkContents)) == strlen((char *) LinkContents)); FDH_CLOSE(fdP); /* * Set up and return modified status for the parent dir and new symlink * to caller. */ GetStatus(targetptr, OutFidStatus, rights, anyrights, parentptr); GetStatus(parentptr, OutDirStatus, rights, anyrights, (struct vnode *)0); /* convert the write lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, parentptr); assert(!errorCode || errorCode == VSALVAGE); /* break call back on the parent dir */ BreakCallBack(client->host, DirFid, 0); Bad_SymLink: /* Write the all modified vnodes (parent, new files) and volume back */ PutVolumePackage(parentwhentargetnotdir, targetptr, parentptr, volptr); ViceLog(2, ("SAFS_Symlink returns %d\n", errorCode)); return errorCode; } /*SAFSS_Symlink*/ SRXAFS_Symlink (tcon, DirFid, Name, LinkContents, InStatus, OutFid, OutFidStatus, OutDirStatus, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent dir's fid */ char *Name; /* File name to create */ char *LinkContents; /* Contents of the new created file */ struct AFSStoreStatus *InStatus; /* Input status for the new symbolic link */ struct AFSFid *OutFid; /* Fid for newly created symbolic link */ struct AFSFetchStatus *OutFidStatus; /* Output status for new symbolic link */ struct AFSFetchStatus *OutDirStatus; /* Output status for parent dir */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_SYMLINK]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_Symlink; code = SAFSS_Symlink (tcon, DirFid, Name, LinkContents, InStatus, OutFid, OutFidStatus, OutDirStatus, Sync); Bad_Symlink: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, SymlinkEvent, code, AUD_FID, DirFid, AUD_STR, Name, AUD_END); return code; } /*SRXAFS_Symlink*/ /* * This routine is called exclusively by SRXAFS_Link(), and should be * merged into it when possible. */ SAFSS_Link (tcon, DirFid, Name, ExistingFid, OutFidStatus, OutDirStatus, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent dir's fid */ char *Name; /* File name to create */ struct AFSFid *ExistingFid; /* Fid of existing fid we'll make link to */ struct AFSFetchStatus *OutFidStatus; /* Output status for newly created file */ struct AFSFetchStatus *OutDirStatus; /* Outpout status for parent dir */ struct AFSVolSync *Sync; { Vnode * parentptr = 0; /* vnode of input Directory */ Vnode * targetptr = 0; /* vnode of the new file */ Vnode * parentwhentargetnotdir = 0; /* parent for use in SetAccessList */ Volume * volptr = 0; /* pointer to the volume header */ int errorCode = 0; /* error code */ DirHandle dir; /* Handle for dir package I/O */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1, ("SAFS_Link %s, Did = %u.%d.%d, Fid = %u.%d.%d, Host %s, Id %d\n", Name, DirFid->Volume, DirFid->Vnode, DirFid->Unique, ExistingFid->Volume, ExistingFid->Vnode, ExistingFid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.Link++, AFSCallStats.TotalCalls++; FS_UNLOCK if (DirFid->Volume != ExistingFid->Volume) { errorCode = EXDEV; goto Bad_Link; } if (!FileNameOK(Name)) { errorCode = EINVAL; goto Bad_Link; } /* * Get the vnode and volume for the parent dir along with the caller's * rights to it */ if (errorCode = GetVolumePackage(tcon, DirFid, &volptr, &parentptr, MustBeDIR, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_Link; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Can the caller insert into the parent directory? */ if (errorCode = CheckWriteMode(parentptr, rights, PRSFS_INSERT)) { goto Bad_Link; } if (((DirFid->Vnode & 1) && (ExistingFid->Vnode & 1)) || (DirFid->Vnode == ExistingFid->Vnode)) { /* at present, */ /* AFS fileservers always have directory vnodes that are odd. */ errorCode = EISDIR; goto Bad_Link; } /* get the file vnode */ if (errorCode = CheckVnode(ExistingFid, &volptr, &targetptr, WRITE_LOCK)) { goto Bad_Link; } if (targetptr->disk.type != vFile) { errorCode = EISDIR; goto Bad_Link; } if (targetptr->disk.parent != DirFid->Vnode) { errorCode = EXDEV; goto Bad_Link; } if (parentptr->disk.cloned) { ViceLog(25, ("Link : calling CopyOnWrite on target dir\n")); if ( errorCode = CopyOnWrite(parentptr, volptr)) goto Bad_Link; /* disk full error */ } /* add the name to the directory */ SetDirHandle(&dir, parentptr); if (errorCode = Create(&dir, (char *)Name, ExistingFid)) goto Bad_Link; DFlush(); /* update the status in the parent vnode */ /**WARNING** --> disk.author SHOULDN'T be modified???? */ #if FS_STATS_DETAILED Update_ParentVnodeStatus(parentptr, volptr, &dir, client->ViceId, parentptr->disk.linkCount, client->InSameNetwork); #else Update_ParentVnodeStatus(parentptr, volptr, &dir, client->ViceId, parentptr->disk.linkCount); #endif /* FS_STATS_DETAILED */ targetptr->disk.linkCount++; targetptr->disk.author = client->ViceId; targetptr->changed_newTime = 1; /* Status change of linked-to file */ /* set up return status */ GetStatus(targetptr, OutFidStatus, rights, anyrights, parentptr); GetStatus(parentptr, OutDirStatus, rights, anyrights, (struct vnode *)0); /* convert the write locks to read locks before breaking callbacks */ VVnodeWriteToRead(&errorCode, targetptr); assert(!errorCode || errorCode == VSALVAGE); VVnodeWriteToRead(&errorCode, parentptr); assert(!errorCode || errorCode == VSALVAGE); /* break call back on DirFid */ BreakCallBack(client->host, DirFid, 0); /* * We also need to break the callback for the file that is hard-linked since part * of its status (like linkcount) is changed */ BreakCallBack(client->host, ExistingFid, 0); Bad_Link: /* Write the all modified vnodes (parent, new files) and volume back */ PutVolumePackage(parentwhentargetnotdir, targetptr, parentptr, volptr); ViceLog(2, ("SAFS_Link returns %d\n", errorCode)); return errorCode; } /*SAFSS_Link*/ SRXAFS_Link (tcon, DirFid, Name, ExistingFid, OutFidStatus, OutDirStatus, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent dir's fid */ char *Name; /* File name to create */ struct AFSFid *ExistingFid; /* Fid of existing fid we'll make link to */ struct AFSFetchStatus *OutFidStatus; /* Output status for newly created file */ struct AFSFetchStatus *OutDirStatus; /* Outpout status for parent dir */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_LINK]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_Link; code = SAFSS_Link (tcon, DirFid, Name, ExistingFid, OutFidStatus, OutDirStatus, Sync); Bad_Link: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, LinkEvent, code, AUD_FID, DirFid, AUD_STR, Name, AUD_FID, ExistingFid, AUD_END); return code; } /*SRXAFS_Link*/ /* * This routine is called exclusively by SRXAFS_MakeDir(), and should be * merged into it when possible. */ SAFSS_MakeDir (tcon, DirFid, Name, InStatus, OutFid, OutFidStatus, OutDirStatus, CallBack, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent dir's fid */ char *Name; /* Name of dir to be created */ struct AFSStoreStatus *InStatus; /* Input status for new dir */ struct AFSFid *OutFid; /* Fid of new dir */ struct AFSFetchStatus *OutFidStatus; /* Output status for new directory */ struct AFSFetchStatus *OutDirStatus; /* Output status for parent dir */ struct AFSCallBack *CallBack; /* Returned callback promise for new dir */ struct AFSVolSync *Sync; { Vnode * parentptr = 0; /* vnode of input Directory */ Vnode * targetptr = 0; /* vnode of the new file */ Vnode * parentwhentargetnotdir = 0; /* parent for use in SetAccessList */ Volume * volptr = 0; /* pointer to the volume header */ int errorCode = 0; /* error code */ struct acl_accessList * newACL; /* Access list */ int newACLSize; /* Size of access list */ DirHandle dir; /* Handle for dir package I/O */ DirHandle parentdir; /* Handle for dir package I/O */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1, ("SAFS_MakeDir %s, Did = %u.%d.%d, Host %s, Id %d\n", Name, DirFid->Volume, DirFid->Vnode, DirFid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.MakeDir++, AFSCallStats.TotalCalls++; FS_UNLOCK if (!FileNameOK(Name)) { errorCode = EINVAL; goto Bad_MakeDir; } /* * Get the vnode and volume for the parent dir along with the caller's * rights to it. */ if (errorCode = GetVolumePackage(tcon, DirFid, &volptr, &parentptr, MustBeDIR, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_MakeDir; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Write access to the parent directory? */ #ifdef DIRCREATE_NEED_WRITE /* * requires w access for the user to create a directory. this * closes a loophole in the current security arrangement, since a * user with i access only can create a directory and get the * implcit a access that goes with dir ownership, and proceed to * subvert quota in the volume. */ if ((errorCode = CheckWriteMode(parentptr, rights, PRSFS_INSERT)) || (errorCode = CheckWriteMode(parentptr, rights, PRSFS_WRITE))) { #else if (errorCode = CheckWriteMode(parentptr, rights, PRSFS_INSERT)) { #endif /* DIRCREATE_NEED_WRITE */ goto Bad_MakeDir; } #define EMPTYDIRBLOCKS 2 /* get a new vnode and set it up */ if (errorCode = Alloc_NewVnode(parentptr, &parentdir, volptr, &targetptr, Name, OutFid, vDirectory, EMPTYDIRBLOCKS)) { goto Bad_MakeDir; } /* Update the status for the parent dir */ #if FS_STATS_DETAILED Update_ParentVnodeStatus(parentptr, volptr, &parentdir, client->ViceId, parentptr->disk.linkCount+1, client->InSameNetwork); #else Update_ParentVnodeStatus(parentptr, volptr, &parentdir, client->ViceId, parentptr->disk.linkCount+1); #endif /* FS_STATS_DETAILED */ /* Point to target's ACL buffer and copy the parent's ACL contents to it */ assert((SetAccessList(&targetptr, &volptr, &newACL, &newACLSize, &parentwhentargetnotdir, (AFSFid *)0, 0)) == 0); assert(parentwhentargetnotdir == 0); bcopy((char *)VVnodeACL(parentptr), (char *)newACL, VAclSize(parentptr)); /* update the status for the target vnode */ Update_TargetVnodeStatus(targetptr, TVS_MKDIR, client, InStatus, parentptr, volptr, 0); /* Actually create the New directory in the directory package */ SetDirHandle(&dir, targetptr); assert(!(MakeDir(&dir, OutFid, DirFid))); DFlush(); targetptr->disk.length = Length(&dir); /* set up return status */ GetStatus(targetptr, OutFidStatus, rights, anyrights, parentptr); GetStatus(parentptr, OutDirStatus, rights, anyrights, (struct Vnode *)0); /* convert the write lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, parentptr); assert(!errorCode || errorCode == VSALVAGE); /* break call back on DirFid */ BreakCallBack(client->host, DirFid, 0); /* Return a callback promise to caller */ SetCallBackStruct(AddCallBack(client->host, OutFid), CallBack); Bad_MakeDir: /* Write the all modified vnodes (parent, new files) and volume back */ PutVolumePackage(parentwhentargetnotdir, targetptr, parentptr, volptr); ViceLog(2, ("SAFS_MakeDir returns %d\n", errorCode)); return errorCode; } /*SAFSS_MakeDir*/ SRXAFS_MakeDir (tcon, DirFid, Name, InStatus, OutFid, OutFidStatus, OutDirStatus, CallBack, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent dir's fid */ char *Name; /* Name of dir to be created */ struct AFSStoreStatus *InStatus; /* Input status for new dir */ struct AFSFid *OutFid; /* Fid of new dir */ struct AFSFetchStatus *OutFidStatus; /* Output status for new directory */ struct AFSFetchStatus *OutDirStatus; /* Output status for parent dir */ struct AFSCallBack *CallBack; /* Returned callback promise for new dir */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_MAKEDIR]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_MakeDir; code = SAFSS_MakeDir (tcon, DirFid, Name, InStatus, OutFid, OutFidStatus, OutDirStatus, CallBack, Sync); Bad_MakeDir: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, MakeDirEvent, code, AUD_FID, DirFid, AUD_STR, Name, AUD_END); return code; } /*SRXAFS_MakeDir*/ /* * This routine is called exclusively by SRXAFS_RemoveDir(), and should be * merged into it when possible. */ SAFSS_RemoveDir (tcon, DirFid, Name, OutDirStatus, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent dir's fid */ char *Name; /* (Empty) dir's name to be removed */ struct AFSFetchStatus *OutDirStatus; /* Output status for the parent dir */ struct AFSVolSync *Sync; { Vnode * parentptr = 0; /* vnode of input Directory */ Vnode * parentwhentargetnotdir = 0; /* parent for use in SetAccessList */ Vnode * targetptr = 0; /* file to be deleted */ AFSFid fileFid; /* area for Fid from the directory */ int errorCode = 0; /* error code */ DirHandle dir; /* Handle for dir package I/O */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ Vnode debugvnode1, debugvnode2; struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1, ("SAFS_RemoveDir %s, Did = %u.%d.%d, Host %s, Id %d\n", Name, DirFid->Volume, DirFid->Vnode, DirFid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.RemoveDir++, AFSCallStats.TotalCalls++; FS_UNLOCK /* * Get the vnode and volume for the parent dir along with the caller's * rights to it */ if (errorCode = GetVolumePackage(tcon, DirFid, &volptr, &parentptr, MustBeDIR, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_RemoveDir; } debugvnode1 = *parentptr; /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Does the caller has delete (&write) access to the parent dir? */ if (errorCode = CheckWriteMode(parentptr, rights, PRSFS_DELETE)) { goto Bad_RemoveDir; } debugvnode2 = *parentptr; /* Do the actual delete of the desired (empty) directory, Name */ if (errorCode = DeleteTarget(parentptr, volptr, &targetptr, &dir, &fileFid, Name, MustBeDIR)) { goto Bad_RemoveDir; } /* Update the status for the parent dir; link count is also adjusted */ #if FS_STATS_DETAILED Update_ParentVnodeStatus(parentptr, volptr, &dir, client->ViceId, parentptr->disk.linkCount-1, client->InSameNetwork); #else Update_ParentVnodeStatus(parentptr, volptr, &dir, client->ViceId, parentptr->disk.linkCount-1); #endif /* FS_STATS_DETAILED */ /* Return to the caller the updated parent dir status */ GetStatus(parentptr, OutDirStatus, rights, anyrights, (struct Vnode *)0); /* * Note: it is not necessary to break the callback on fileFid, since * refcount is now 0, so no one should be able to refer to the dir * any longer */ DeleteFileCallBacks(&fileFid); /* convert the write lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, parentptr); assert(!errorCode || errorCode == VSALVAGE); /* break call back on DirFid and fileFid */ BreakCallBack(client->host, DirFid, 0); Bad_RemoveDir: /* Write the all modified vnodes (parent, new files) and volume back */ PutVolumePackage(parentwhentargetnotdir, targetptr, parentptr, volptr); ViceLog(2, ("SAFS_RemoveDir returns %d\n", errorCode)); return errorCode; } /*SAFSS_RemoveDir*/ SRXAFS_RemoveDir (tcon, DirFid, Name, OutDirStatus, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent dir's fid */ char *Name; /* (Empty) dir's name to be removed */ struct AFSFetchStatus *OutDirStatus; /* Output status for the parent dir */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_REMOVEDIR]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_RemoveDir; code = SAFSS_RemoveDir (tcon, DirFid, Name, OutDirStatus, Sync); Bad_RemoveDir: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, RemoveDirEvent, code, AUD_FID, DirFid, AUD_STR, Name, AUD_END); return code; } /*SRXAFS_RemoveDir*/ /* * This routine is called exclusively by SRXAFS_SetLock(), and should be * merged into it when possible. */ SAFSS_SetLock (tcon, Fid, type, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of file to lock */ ViceLockType type; /* Type of lock (Read or write) */ struct AFSVolSync *Sync; { Vnode * targetptr = 0; /* vnode of input file */ Vnode * parentwhentargetnotdir = 0; /* parent for use in SetAccessList */ int errorCode = 0; /* error code */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ static char * locktype[2] = {"LockRead","LockWrite"}; if (type != LockRead && type != LockWrite) { errorCode = EINVAL; goto Bad_SetLock; } /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1,("SAFS_SetLock type = %s Fid = %u.%d.%d, Host %s, Id %d\n", locktype[(int)type], Fid->Volume, Fid->Vnode, Fid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.SetLock++, AFSCallStats.TotalCalls++; FS_UNLOCK /* * Get the vnode and volume for the desired file along with the caller's * rights to it */ if (errorCode = GetVolumePackage(tcon, Fid, &volptr, &targetptr, DONTCHECK, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_SetLock; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Handle the particular type of set locking, type */ errorCode = HandleLocking(targetptr, rights, type); Bad_SetLock: /* Write the all modified vnodes (parent, new files) and volume back */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); if ((errorCode == VREADONLY) && (type == LockRead)) errorCode = 0; /* allow read locks on RO volumes without saving state */ ViceLog(2,("SAFS_SetLock returns %d\n", errorCode)); return(errorCode); } /*SAFSS_SetLock*/ SRXAFS_OldSetLock(tcon, Fid, type, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of file to lock */ ViceLockType type; /* Type of lock (Read or write) */ { return SRXAFS_SetLock(tcon, Fid, type, Sync); } /*SRXAFS_OldSetLock*/ SRXAFS_SetLock (tcon, Fid, type, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of file to lock */ ViceLockType type; /* Type of lock (Read or write) */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_SETLOCK]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_SetLock; code = SAFSS_SetLock (tcon, Fid, type, Sync); Bad_SetLock: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, SetLockEvent, code, AUD_FID, Fid, AUD_LONG, type, AUD_END); return code; } /*SRXAFS_SetLock*/ /* * This routine is called exclusively by SRXAFS_ExtendLock(), and should be * merged into it when possible. */ SAFSS_ExtendLock (tcon, Fid, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of file whose lock we extend */ struct AFSVolSync *Sync; { Vnode * targetptr = 0; /* vnode of input file */ Vnode * parentwhentargetnotdir = 0; /* parent for use in SetAccessList */ int errorCode = 0; /* error code */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1,("SAFS_ExtendLock Fid = %u.%d.%d, Host %s, Id %d\n", Fid->Volume, Fid->Vnode, Fid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.ExtendLock++, AFSCallStats.TotalCalls++; FS_UNLOCK /* * Get the vnode and volume for the desired file along with the caller's * rights to it */ if (errorCode = GetVolumePackage(tcon, Fid, &volptr, &targetptr, DONTCHECK, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_ExtendLock; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Handle the actual lock extension */ errorCode = HandleLocking(targetptr, rights, LockExtend); Bad_ExtendLock: /* Put back file's vnode and volume */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); if ((errorCode == VREADONLY)) /* presumably, we already granted this lock */ errorCode = 0; /* under our generous policy re RO vols */ ViceLog(2,("SAFS_ExtendLock returns %d\n", errorCode)); return(errorCode); } /*SAFSS_ExtendLock*/ SRXAFS_OldExtendLock (tcon, Fid, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of file whose lock we extend */ { return SRXAFS_ExtendLock(tcon, Fid, Sync); } /*SRXAFS_OldExtendLock*/ SRXAFS_ExtendLock (tcon, Fid, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of file whose lock we extend */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_EXTENDLOCK]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_ExtendLock; code = SAFSS_ExtendLock (tcon, Fid, Sync); Bad_ExtendLock: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, ExtendLockEvent, code, AUD_FID, Fid , AUD_END); return code; } /*SRXAFS_ExtendLock*/ /* * This routine is called exclusively by SRXAFS_ReleaseLock(), and should be * merged into it when possible. */ SAFSS_ReleaseLock (tcon, Fid, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of file to release lock */ struct AFSVolSync *Sync; { Vnode * targetptr = 0; /* vnode of input file */ Vnode * parentwhentargetnotdir = 0; /* parent for use in SetAccessList */ int errorCode = 0; /* error code */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client structure */ afs_int32 rights, anyrights; /* rights for this and any user */ struct client *t_client; /* tmp ptr to client data */ struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ /* Get ptr to client data for user Id for logging */ t_client = (struct client *) rx_GetSpecific(tcon, rxcon_client_key); logHostAddr.s_addr = rx_HostOf(rx_PeerOf(tcon)); ViceLog(1,("SAFS_ReleaseLock Fid = %u.%d.%d, Host %s, Id %d\n", Fid->Volume, Fid->Vnode, Fid->Unique, inet_ntoa(logHostAddr), t_client->ViceId)); FS_LOCK AFSCallStats.ReleaseLock++, AFSCallStats.TotalCalls++; FS_UNLOCK /* * Get the vnode and volume for the desired file along with the caller's * rights to it */ if (errorCode = GetVolumePackage(tcon, Fid, &volptr, &targetptr, DONTCHECK, &parentwhentargetnotdir, &client, WRITE_LOCK, &rights, &anyrights)) { goto Bad_ReleaseLock; } /* set volume synchronization information */ SetVolumeSync(Sync, volptr); /* Handle the actual lock release */ if (errorCode = HandleLocking(targetptr, rights, LockRelease)) goto Bad_ReleaseLock; /* if no more locks left, a callback would be triggered here */ if (targetptr->disk.lock.lockCount <= 0) { /* convert the write lock to a read lock before breaking callbacks */ VVnodeWriteToRead(&errorCode, targetptr); assert(!errorCode || errorCode == VSALVAGE); BreakCallBack(client->host, Fid, 0); } Bad_ReleaseLock: /* Put back file's vnode and volume */ PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); if ((errorCode == VREADONLY)) /* presumably, we already granted this lock */ errorCode = 0; /* under our generous policy re RO vols */ ViceLog(2,("SAFS_ReleaseLock returns %d\n", errorCode)); return(errorCode); } /*SAFSS_ReleaseLock*/ SRXAFS_OldReleaseLock (tcon, Fid, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of file to release lock */ { return SRXAFS_ReleaseLock(tcon, Fid, Sync); } /*SRXAFS_OldReleaseLock*/ SRXAFS_ReleaseLock (tcon, Fid, Sync) struct AFSVolSync *Sync; struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *Fid; /* Fid of file to release lock */ { afs_int32 code; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_RELEASELOCK]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_ReleaseLock; code = SAFSS_ReleaseLock (tcon, Fid, Sync); Bad_ReleaseLock: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, ReleaseLockEvent, code, AUD_FID, Fid , AUD_END); return code; } /*SRXAFS_ReleaseLock*/ /* * This routine is called exclusively by SRXAFS_GetStatistics(), and should be * merged into it when possible. */ static GetStatistics (tcon, Statistics) struct rx_connection *tcon; /* Rx connection handle */ struct AFSStatistics *Statistics; /* Placeholder for returned AFS statistics */ { ViceLog(1, ("SAFS_GetStatistics Received\n")); FS_LOCK AFSCallStats.GetStatistics++, AFSCallStats.TotalCalls++; FS_UNLOCK bzero(Statistics, sizeof(*Statistics)); SetAFSStats(Statistics); SetVolumeStats(Statistics); SetSystemStats(Statistics); return(0); } /*GetStatistics*/ SRXAFS_GetStatistics (tcon, Statistics) struct rx_connection *tcon; /* Rx connection handle */ struct AFSStatistics *Statistics; /* Placeholder for returned AFS statistics */ { afs_int32 code; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_GETSTATISTICS]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, NOTACTIVECALL)) goto Bad_GetStatistics; code = GetStatistics (tcon, Statistics); Bad_GetStatistics: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ return code; } /*SRXAFS_GetStatistics*/ /*------------------------------------------------------------------------ * EXPORTED SRXAFS_XStatsVersion * * Description: * Routine called by the server-side RPC interface to implement * pulling out the xstat version number for the File Server. * * Arguments: * a_versionP : Ptr to the version number variable to set. * * Returns: * 0 (always) * * Environment: * Nothing interesting. * * Side Effects: * As advertised. *------------------------------------------------------------------------*/ int SRXAFS_XStatsVersion(a_call, a_versionP) struct rx_call *a_call; afs_int32 *a_versionP; { /*SRXAFS_XStatsVersion*/ #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_XSTATSVERSION]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ *a_versionP = AFS_XSTAT_VERSION; #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_LOCK (opP->numSuccesses)++; FS_UNLOCK #endif /* FS_STATS_DETAILED */ return(0); } /*SRXAFS_XStatsVersion*/ /*------------------------------------------------------------------------ * PRIVATE FillPerfValues * * Description: * Routine called to fill a regular performance data structure. * * Arguments: * a_perfP : Ptr to perf structure to fill * * Returns: * Nothing. * * Environment: * Various collections need this info, so the guts were put in * this separate routine. * * Side Effects: * As advertised. *------------------------------------------------------------------------*/ static void FillPerfValues(a_perfP) struct afs_PerfStats *a_perfP; { /*FillPerfValues*/ int dir_Buffers; /*# buffers in use by dir package*/ int dir_Calls; /*# read calls in dir package*/ int dir_IOs; /*# I/O ops in dir package*/ /* * Vnode cache section. */ a_perfP->vcache_L_Entries = VnodeClassInfo[vLarge].cacheSize; a_perfP->vcache_L_Allocs = VnodeClassInfo[vLarge].allocs; a_perfP->vcache_L_Gets = VnodeClassInfo[vLarge].gets; a_perfP->vcache_L_Reads = VnodeClassInfo[vLarge].reads; a_perfP->vcache_L_Writes = VnodeClassInfo[vLarge].writes; a_perfP->vcache_S_Entries = VnodeClassInfo[vSmall].cacheSize; a_perfP->vcache_S_Allocs = VnodeClassInfo[vSmall].allocs; a_perfP->vcache_S_Gets = VnodeClassInfo[vSmall].gets; a_perfP->vcache_S_Reads = VnodeClassInfo[vSmall].reads; a_perfP->vcache_S_Writes = VnodeClassInfo[vSmall].writes; a_perfP->vcache_H_Entries = VolumeCacheSize; a_perfP->vcache_H_Gets = VolumeGets; a_perfP->vcache_H_Replacements = VolumeReplacements; /* * Directory section. */ DStat(&dir_Buffers, &dir_Calls, &dir_IOs); a_perfP->dir_Buffers = (afs_int32) dir_Buffers; a_perfP->dir_Calls = (afs_int32 )dir_Calls; a_perfP->dir_IOs = (afs_int32) dir_IOs; /* * Rx section. */ a_perfP->rx_packetRequests = (afs_int32) rx_stats.packetRequests; a_perfP->rx_noPackets_RcvClass = (afs_int32) rx_stats.receivePktAllocFailures; a_perfP->rx_noPackets_SendClass = (afs_int32) rx_stats.sendPktAllocFailures; a_perfP->rx_noPackets_SpecialClass = (afs_int32) rx_stats.specialPktAllocFailures; a_perfP->rx_socketGreedy = (afs_int32) rx_stats.socketGreedy; a_perfP->rx_bogusPacketOnRead = (afs_int32) rx_stats.bogusPacketOnRead; a_perfP->rx_bogusHost = (afs_int32) rx_stats.bogusHost; a_perfP->rx_noPacketOnRead = (afs_int32) rx_stats.noPacketOnRead; a_perfP->rx_noPacketBuffersOnRead = (afs_int32) rx_stats.noPacketBuffersOnRead; a_perfP->rx_selects = (afs_int32) rx_stats.selects; a_perfP->rx_sendSelects = (afs_int32) rx_stats.sendSelects; a_perfP->rx_packetsRead_RcvClass = (afs_int32) rx_stats.packetsRead[RX_PACKET_CLASS_RECEIVE]; a_perfP->rx_packetsRead_SendClass = (afs_int32) rx_stats.packetsRead[RX_PACKET_CLASS_SEND]; a_perfP->rx_packetsRead_SpecialClass = (afs_int32) rx_stats.packetsRead[RX_PACKET_CLASS_SPECIAL]; a_perfP->rx_dataPacketsRead = (afs_int32) rx_stats.dataPacketsRead; a_perfP->rx_ackPacketsRead = (afs_int32) rx_stats.ackPacketsRead; a_perfP->rx_dupPacketsRead = (afs_int32) rx_stats.dupPacketsRead; a_perfP->rx_spuriousPacketsRead = (afs_int32) rx_stats.spuriousPacketsRead; a_perfP->rx_packetsSent_RcvClass = (afs_int32) rx_stats.packetsSent[RX_PACKET_CLASS_RECEIVE]; a_perfP->rx_packetsSent_SendClass = (afs_int32) rx_stats.packetsSent[RX_PACKET_CLASS_SEND]; a_perfP->rx_packetsSent_SpecialClass = (afs_int32) rx_stats.packetsSent[RX_PACKET_CLASS_SPECIAL]; a_perfP->rx_ackPacketsSent = (afs_int32) rx_stats.ackPacketsSent; a_perfP->rx_pingPacketsSent = (afs_int32) rx_stats.pingPacketsSent; a_perfP->rx_abortPacketsSent = (afs_int32) rx_stats.abortPacketsSent; a_perfP->rx_busyPacketsSent = (afs_int32) rx_stats.busyPacketsSent; a_perfP->rx_dataPacketsSent = (afs_int32) rx_stats.dataPacketsSent; a_perfP->rx_dataPacketsReSent = (afs_int32) rx_stats.dataPacketsReSent; a_perfP->rx_dataPacketsPushed = (afs_int32) rx_stats.dataPacketsPushed; a_perfP->rx_ignoreAckedPacket = (afs_int32) rx_stats.ignoreAckedPacket; a_perfP->rx_totalRtt_Sec = (afs_int32) rx_stats.totalRtt.sec; a_perfP->rx_totalRtt_Usec = (afs_int32) rx_stats.totalRtt.usec; a_perfP->rx_minRtt_Sec = (afs_int32) rx_stats.minRtt.sec; a_perfP->rx_minRtt_Usec = (afs_int32) rx_stats.minRtt.usec; a_perfP->rx_maxRtt_Sec = (afs_int32) rx_stats.maxRtt.sec; a_perfP->rx_maxRtt_Usec = (afs_int32) rx_stats.maxRtt.usec; a_perfP->rx_nRttSamples = (afs_int32) rx_stats.nRttSamples; a_perfP->rx_nServerConns = (afs_int32) rx_stats.nServerConns; a_perfP->rx_nClientConns = (afs_int32) rx_stats.nClientConns; a_perfP->rx_nPeerStructs = (afs_int32) rx_stats.nPeerStructs; a_perfP->rx_nCallStructs = (afs_int32) rx_stats.nCallStructs; a_perfP->rx_nFreeCallStructs = (afs_int32) rx_stats.nFreeCallStructs; a_perfP->host_NumHostEntries = HTs; a_perfP->host_HostBlocks = HTBlocks; h_GetHostNetStats(&(a_perfP->host_NonDeletedHosts), &(a_perfP->host_HostsInSameNetOrSubnet), &(a_perfP->host_HostsInDiffSubnet), &(a_perfP->host_HostsInDiffNetwork)); a_perfP->host_NumClients = CEs; a_perfP->host_ClientBlocks = CEBlocks; a_perfP->sysname_ID = afs_perfstats.sysname_ID; } /*FillPerfValues*/ /*------------------------------------------------------------------------ * EXPORTED SRXAFS_GetXStats * * Description: * Routine called by the server-side callback RPC interface to * implement getting the given data collection from the extended * File Server statistics. * * Arguments: * a_call : Ptr to Rx call on which this request came in. * a_clientVersionNum : Client version number. * a_opCode : Desired operation. * a_serverVersionNumP : Ptr to version number to set. * a_timeP : Ptr to time value (seconds) to set. * a_dataP : Ptr to variable array structure to return * stuff in. * * Returns: * 0 (always). * * Environment: * Nothing interesting. * * Side Effects: * As advertised. *------------------------------------------------------------------------*/ int SRXAFS_GetXStats(a_call, a_clientVersionNum, a_collectionNumber, a_srvVersionNumP, a_timeP, a_dataP) struct rx_call *a_call; afs_int32 a_clientVersionNum; afs_int32 a_collectionNumber; afs_int32 *a_srvVersionNumP; afs_int32 *a_timeP; AFS_CollData *a_dataP; { /*SRXAFS_GetXStats*/ register int code; /*Return value*/ afs_int32 *dataBuffP; /*Ptr to data to be returned*/ afs_int32 dataBytes; /*Bytes in data buffer*/ #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_GETXSTATS]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ /* * Record the time of day and the server version number. */ *a_srvVersionNumP = AFS_XSTAT_VERSION; *a_timeP = FT_ApproxTime(); /* * Stuff the appropriate data in there (assume victory) */ code = 0; ViceLog(1, ("Received GetXStats call for collection %d\n", a_collectionNumber)); #if 0 /* * We're not keeping stats, so just return successfully with * no data. */ a_dataP->AFS_CollData_len = 0; a_dataP->AFS_CollData_val = (afs_int32 *)0; #endif /* 0 */ switch(a_collectionNumber) { case AFS_XSTATSCOLL_CALL_INFO: /* * Pass back all the call-count-related data. * * >>> We are forced to allocate a separate area in which to * >>> put this stuff in by the RPC stub generator, since it * >>> will be freed at the tail end of the server stub code. */ #if 0 /* * I don't think call-level stats are being collected yet * for the File Server. */ dataBytes = sizeof(struct afs_Stats); dataBuffP = (afs_int32 *)malloc(dataBytes); bcopy(&afs_cmstats, dataBuffP, dataBytes); a_dataP->AFS_CollData_len = dataBytes>>2; a_dataP->AFS_CollData_val = dataBuffP; #else a_dataP->AFS_CollData_len = 0; a_dataP->AFS_CollData_val = (afs_int32 *)0; #endif /* 0 */ break; case AFS_XSTATSCOLL_PERF_INFO: /* * Pass back all the regular performance-related data. * * >>> We are forced to allocate a separate area in which to * >>> put this stuff in by the RPC stub generator, since it * >>> will be freed at the tail end of the server stub code. */ afs_perfstats.numPerfCalls++; FillPerfValues(&afs_perfstats); /* * Don't overwrite the spares at the end. */ dataBytes = sizeof(struct afs_PerfStats); dataBuffP = (afs_int32 *)osi_Alloc(dataBytes); bcopy(&afs_perfstats, dataBuffP, dataBytes); a_dataP->AFS_CollData_len = dataBytes>>2; a_dataP->AFS_CollData_val = dataBuffP; break; case AFS_XSTATSCOLL_FULL_PERF_INFO: /* * Pass back the full collection of performance-related data. * We have to stuff the basic, overall numbers in, but the * detailed numbers are kept in the structure already. * * >>> We are forced to allocate a separate area in which to * >>> put this stuff in by the RPC stub generator, since it * >>> will be freed at the tail end of the server stub code. */ afs_perfstats.numPerfCalls++; #if FS_STATS_DETAILED afs_FullPerfStats.overall.numPerfCalls = afs_perfstats.numPerfCalls; FillPerfValues(&afs_FullPerfStats.overall); /* * Don't overwrite the spares at the end. */ dataBytes = sizeof(struct fs_stats_FullPerfStats); dataBuffP = (afs_int32 *)osi_Alloc(dataBytes); bcopy(&afs_FullPerfStats, dataBuffP, dataBytes); a_dataP->AFS_CollData_len = dataBytes>>2; a_dataP->AFS_CollData_val = dataBuffP; #endif break; default: /* * Illegal collection number. */ a_dataP->AFS_CollData_len = 0; a_dataP->AFS_CollData_val = (afs_int32 *)0; code = 1; } /*Switch on collection number*/ #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ return(code); } /*SRXAFS_GetXStats*/ SRXAFS_GiveUpCallBacks (tcon, FidArray, CallBackArray) struct rx_connection *tcon; /* Rx connection handle */ struct AFSCBFids *FidArray; /* Array of Fids entries */ struct AFSCBs *CallBackArray; /* array of callbacks */ { afs_int32 errorCode; register int i; struct client *client; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_GIVEUPCALLBACKS]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ ViceLog(1, ("SAFS_GiveUpCallBacks (Noffids=%d)\n", FidArray->AFSCBFids_len)); FS_LOCK AFSCallStats.GiveUpCallBacks++, AFSCallStats.TotalCalls++; FS_UNLOCK if (errorCode = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_GiveUpCallBacks; if (FidArray->AFSCBFids_len < CallBackArray->AFSCBs_len) { ViceLog(0, ("GiveUpCallBacks: #Fids %d < #CallBacks %d, host=%x\n", FidArray->AFSCBFids_len, CallBackArray->AFSCBs_len, (tcon->peer ? tcon->peer->host : 0))); errorCode = EINVAL; goto Bad_GiveUpCallBacks; } errorCode = GetClient(tcon, &client); if (!errorCode) { for (i=0; i < FidArray->AFSCBFids_len; i++) { register struct AFSFid *fid = &(FidArray->AFSCBFids_val[i]); DeleteCallBack(client->host, fid); } } Bad_GiveUpCallBacks: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (errorCode == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ out: return errorCode; } /*SRXAFS_GiveUpCallBacks*/ SRXAFS_NGetVolumeInfo (tcon, avolid, avolinfo) struct rx_connection *tcon; /* Rx connection handle */ char *avolid; /* Volume name/id */ struct AFSVolumeInfo *avolinfo; /* Returned volume's specific info */ { return(VNOVOL); /* XXX Obsolete routine XXX */ } /*SRXAFS_NGetVolumeInfo*/ /* * Dummy routine. Should never be called (the cache manager should only * invoke this interface when communicating with a AFS/DFS Protocol * Translator). */ SRXAFS_Lookup(call_p, afs_dfid_p, afs_name_p, afs_fid_p, afs_status_p, afs_dir_status_p, afs_callback_p, afs_sync_p) struct rx_call *call_p; /* Rx call handle */ struct AFSFid *afs_dfid_p; /* Directory */ char *afs_name_p; /* Name of file to lookup */ struct AFSFid *afs_fid_p; /* Place to return fid of file */ struct AFSFetchStatus *afs_status_p; /* Place to return file status */ struct AFSFetchStatus *afs_dir_status_p;/* Place to return file status */ struct AFSCallBack *afs_callback_p; /* If r/w, callback promise for Fid */ struct AFSVolSync *afs_sync_p; /* Volume sync info */ { return EINVAL; } SRXAFS_FlushCPS(tcon, vids, addrs, spare1, spare2, spare3) struct rx_connection *tcon; struct ViceIds *vids; struct IPAddrs *addrs; afs_int32 spare1, *spare2, *spare3; { int i; afs_int32 nids, naddrs; afs_int32 *vd, *addr; int errorCode = 0; /* return code to caller */ struct client *client; struct rx_call *tcall = (struct rx_call *) tcon; ViceLog(1, ("SRXAFS_FlushCPS\n")); FS_LOCK AFSCallStats.TotalCalls++; FS_UNLOCK nids = vids->ViceIds_len; /* # of users in here */ naddrs = addrs->IPAddrs_len; /* # of hosts in here */ if (nids < 0 || naddrs < 0) { errorCode = EINVAL; goto Bad_FlushCPS; } vd = vids->ViceIds_val; for (i=0; ilock); client->prfail = 2; /* Means re-eval client's cps */ #ifdef notdef if (client->tcon) { rx_SetRock(((struct rx_connection *) client->tcon), 0); } #endif if ((client->ViceId != ANONYMOUSID) && client->CPS.prlist_val) { free(client->CPS.prlist_val); client->CPS.prlist_val = (afs_int32 *)0; } ReleaseWriteLock(&client->lock); } addr = addrs->IPAddrs_val; for (i=0; iVid, avolinfo->Type, avolinfo->Server0, avolinfo->Server1, avolinfo->Server2, avolinfo->Server3)); return(errorCode); } /* worthless hack to let CS keep running ancient software */ static afs_vtoi(aname) register char *aname; { register afs_int32 temp; register int tc; temp = 0; while(tc = *aname++) { if (tc > '9' || tc < '0') return 0; /* invalid name */ temp *= 10; temp += tc - '0'; } return temp; } /* * may get name or #, but must handle all weird cases (recognize readonly * or backup volumes by name or # */ static CopyVolumeEntry(aname, ave, av) char *aname; register struct VolumeInfo *av; register struct vldbentry *ave; { register int i, j, vol; afs_int32 mask, whichType; afs_uint32 *serverHost, *typePtr; /* figure out what type we want if by name */ i = strlen(aname); if (i >= 8 && strcmp(aname+i-7, ".backup") == 0) whichType = BACKVOL; else if (i >= 10 && strcmp(aname+i-9, ".readonly")==0) whichType = ROVOL; else whichType = RWVOL; vol = afs_vtoi(aname); if (vol == 0) vol = ave->volumeId[whichType]; /* * Now vol has volume # we're interested in. Next, figure out the type * of the volume by looking finding it in the vldb entry */ if ((ave->flags&VLF_RWEXISTS) && vol == ave->volumeId[RWVOL]) { mask = VLSF_RWVOL; whichType = RWVOL; } else if ((ave->flags&VLF_ROEXISTS) && vol == ave->volumeId[ROVOL]) { mask = VLSF_ROVOL; whichType = ROVOL; } else if ((ave->flags&VLF_BACKEXISTS) && vol == ave->volumeId[BACKVOL]) { mask = VLSF_RWVOL; /* backup always is on the same volume as parent */ whichType = BACKVOL; } else return EINVAL; /* error: can't find volume in vldb entry */ typePtr = &av->Type0; serverHost = &av->Server0; av->Vid = vol; av->Type = whichType; av->Type0 = av->Type1 = av->Type2 = av->Type3 = av->Type4 = 0; if (ave->flags & VLF_RWEXISTS) typePtr[RWVOL] = ave->volumeId[RWVOL]; if (ave->flags & VLF_ROEXISTS) typePtr[ROVOL] = ave->volumeId[ROVOL]; if (ave->flags & VLF_BACKEXISTS) typePtr[BACKVOL] = ave->volumeId[BACKVOL]; for(i=0,j=0; inServers; i++) { if ((ave->serverFlags[i] & mask) == 0) continue; /* wrong volume */ serverHost[j] = ave->serverNumber[i]; j++; } av->ServerCount = j; if (j < 8) serverHost[j++] = 0; /* bogus 8, but compat only now */ return 0; } static TryLocalVLServer(avolid, avolinfo) char *avolid; struct VolumeInfo *avolinfo; { static struct rx_connection *vlConn = 0; static int down = 0; static afs_int32 lastDownTime = 0; struct vldbentry tve; struct rx_securityClass *vlSec; register afs_int32 code; if (!vlConn) { vlSec = (struct rx_securityClass *) rxnull_NewClientSecurityObject(); vlConn = rx_NewConnection(htonl(0x7f000001), htons(7003), 52, vlSec, 0); rx_SetConnDeadTime(vlConn, 15); /* don't wait long */ } if (down && (FT_ApproxTime() < lastDownTime + 180)) { return 1; /* failure */ } code = VL_GetEntryByNameO(vlConn, avolid, &tve); if (code >= 0) down = 0; /* call worked */ if (code) { if (code < 0) { lastDownTime = FT_ApproxTime(); /* last time we tried an RPC */ down = 1; } return code; } /* otherwise convert to old format vldb entry */ code = CopyVolumeEntry(avolid, &tve, avolinfo); return code; } SRXAFS_GetVolumeInfo (tcon, avolid, avolinfo) struct rx_connection *tcon; /* Rx connection handle */ char *avolid; /* Volume name/id */ struct VolumeInfo *avolinfo; /* Returned volume's specific info */ { afs_int32 code; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_GETVOLUMEINFO]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_GetVolumeInfo; code = GetVolumeInfo (tcon, avolid, avolinfo); avolinfo->Type4 = 0xabcd9999; /* tell us to try new vldb */ Bad_GetVolumeInfo: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ return code; } /*SRXAFS_GetVolumeInfo*/ SRXAFS_GetVolumeStatus (tcon, avolid, FetchVolStatus, Name, OfflineMsg, Motd) struct rx_connection *tcon; /* Rx connection handle */ afs_int32 avolid; /* Volume's id */ AFSFetchVolumeStatus *FetchVolStatus; /* Place to hold volume's status info */ char **Name; /* Returned volume's name */ char **OfflineMsg; /* Returned offline msg, if any */ char **Motd; /* Returned Motd msg, if any */ { Vnode * targetptr = 0; /* vnode of the new file */ Vnode * parentwhentargetnotdir = 0; /* vnode of parent */ int errorCode = 0; /* error code */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client entry */ afs_int32 rights, anyrights; /* rights for this and any user */ AFSFid dummyFid; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_GETVOLUMESTATUS]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ ViceLog(1,("SAFS_GetVolumeStatus for volume %u\n", avolid)); if (errorCode = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_GetVolumeStatus; FS_LOCK AFSCallStats.GetVolumeStatus++, AFSCallStats.TotalCalls++; FS_UNLOCK if (avolid == 0) { errorCode = EINVAL; goto Bad_GetVolumeStatus; } dummyFid.Volume = avolid, dummyFid.Vnode = (afs_int32)ROOTVNODE, dummyFid.Unique = 1; if (errorCode = GetVolumePackage(tcon, &dummyFid, &volptr, &targetptr, MustBeDIR, &parentwhentargetnotdir, &client, READ_LOCK, &rights, &anyrights)) goto Bad_GetVolumeStatus; if ((VanillaUser(client)) && (!(rights & PRSFS_READ))) { errorCode = EACCES; goto Bad_GetVolumeStatus; } RXGetVolumeStatus(FetchVolStatus, Name, OfflineMsg, Motd, volptr); Bad_GetVolumeStatus: PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); ViceLog(2,("SAFS_GetVolumeStatus returns %d\n",errorCode)); /* next is to guarantee out strings exist for stub */ if (*Name == 0) {*Name = (char *) malloc(1); **Name = 0;} if (*Motd == 0) {*Motd = (char *) malloc(1); **Motd = 0;} if (*OfflineMsg == 0) {*OfflineMsg = (char *) malloc(1); **OfflineMsg = 0;} CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (errorCode == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ return(errorCode); } /*SRXAFS_GetVolumeStatus*/ SRXAFS_SetVolumeStatus (tcon, avolid, StoreVolStatus, Name, OfflineMsg, Motd) struct rx_connection *tcon; /* Rx connection handle */ afs_int32 avolid; /* Volume's id */ AFSStoreVolumeStatus *StoreVolStatus; /* Adjusted output volume's status */ char *Name; /* Set new volume's name, if applicable */ char *OfflineMsg; /* Set new offline msg, if applicable */ char *Motd; /* Set new motd msg, if applicable */ { Vnode * targetptr = 0; /* vnode of the new file */ Vnode * parentwhentargetnotdir = 0; /* vnode of parent */ int errorCode = 0; /* error code */ Volume * volptr = 0; /* pointer to the volume header */ struct client * client; /* pointer to client entry */ afs_int32 rights, anyrights; /* rights for this and any user */ AFSFid dummyFid; struct rx_call *tcall = (struct rx_call *) tcon; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_SETVOLUMESTATUS]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ ViceLog(1,("SAFS_SetVolumeStatus for volume %u\n", avolid)); if (errorCode = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_SetVolumeStatus; FS_LOCK AFSCallStats.SetVolumeStatus++, AFSCallStats.TotalCalls++; FS_UNLOCK if (avolid == 0) { errorCode = EINVAL; goto Bad_SetVolumeStatus; } dummyFid.Volume = avolid, dummyFid.Vnode = (afs_int32)ROOTVNODE, dummyFid.Unique = 1; if (errorCode = GetVolumePackage(tcon, &dummyFid, &volptr, &targetptr, MustBeDIR, &parentwhentargetnotdir, &client, READ_LOCK, &rights, &anyrights)) goto Bad_SetVolumeStatus; if (VanillaUser(client)) { errorCode = EACCES; goto Bad_SetVolumeStatus; } errorCode = RXUpdate_VolumeStatus(volptr, StoreVolStatus, Name, OfflineMsg, Motd); Bad_SetVolumeStatus: PutVolumePackage(parentwhentargetnotdir, targetptr, (Vnode *)0, volptr); ViceLog(2,("SAFS_SetVolumeStatus returns %d\n",errorCode)); CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (errorCode == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ osi_auditU (tcall, SetVolumeStatusEvent, errorCode, AUD_LONG, avolid, AUD_STR, Name, AUD_END); return(errorCode); } /*SRXAFS_SetVolumeStatus*/ #define DEFAULTVOLUME "root.afs" SRXAFS_GetRootVolume (tcon, VolumeName) struct rx_connection * tcon; /* R-Connection handle */ char **VolumeName; /* Returned AFS's root volume name */ { int fd; int len; char *temp; int errorCode = 0; /* error code */ #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_GETROOTVOLUME]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ return FSERR_EOPNOTSUPP; #ifdef notdef if (errorCode = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_GetRootVolume; FS_LOCK AFSCallStats.GetRootVolume++, AFSCallStats.TotalCalls++; FS_UNLOCK temp = malloc(256); fd = open(AFSDIR_SERVER_ROOTVOL_FILEPATH, O_RDONLY, 0666); if (fd <= 0) strcpy(temp, DEFAULTVOLUME); else { #if defined (AFS_AIX_ENV) || defined (AFS_HPUX_ENV) lockf(fd, F_LOCK, 0); #else flock(fd, LOCK_EX); #endif len = read(fd, temp, 256); #if defined (AFS_AIX_ENV) || defined (AFS_HPUX_ENV) lockf(fd, F_ULOCK, 0); #else flock(fd, LOCK_UN); #endif close(fd); if (temp[len-1] == '\n') len--; temp[len] = '\0'; } *VolumeName = temp; /* freed by rx server-side stub */ Bad_GetRootVolume: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (errorCode == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ return(errorCode); #endif /* notdef */ } /*SRXAFS_GetRootVolume*/ /* still works because a struct CBS is the same as a struct AFSOpaque */ SRXAFS_CheckToken (tcon, AfsId, Token) struct rx_connection *tcon; /* Rx connection handle */ afs_int32 AfsId; /* AFS id whose token we verify */ struct CBS *Token; /* Token value for used Afsid */ { afs_int32 code; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_CHECKTOKEN]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, ACTIVECALL)) goto Bad_CheckToken; code = FSERR_ECONNREFUSED; Bad_CheckToken: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ return code; } /*SRXAFS_CheckToken*/ static GetTime (tcon, Seconds, USeconds) struct rx_connection *tcon; /* R-Connection handle */ afs_uint32 *Seconds; /* Returned time in seconds */ afs_uint32 *USeconds; /* Returned leftovers in useconds */ { struct timeval tpl; FS_LOCK AFSCallStats.GetTime++, AFSCallStats.TotalCalls++; FS_UNLOCK TM_GetTimeOfDay(&tpl, 0); *Seconds = tpl.tv_sec; *USeconds = tpl.tv_usec; ViceLog(2, ("SAFS_GetTime returns %d, %d\n", *Seconds, *USeconds)); return(0); } /*GetTime*/ SRXAFS_GetTime (tcon, Seconds, USeconds) struct rx_connection *tcon; /* Rx connection handle */ afs_uint32 *Seconds; /* Returned time in seconds */ afs_uint32 *USeconds; /* Returned leftovers in useconds */ { afs_int32 code; #if FS_STATS_DETAILED struct fs_stats_opTimingData *opP; /* Ptr to this op's timing struct */ struct timeval opStartTime, opStopTime; /* Start/stop times for RPC op*/ struct timeval elapsedTime; /* Transfer time */ /* * Set our stats pointer, remember when the RPC operation started, and * tally the operation. */ opP = &(afs_FullPerfStats.det.rpcOpTimes[FS_STATS_RPCIDX_GETTIME]); FS_LOCK (opP->numOps)++; FS_UNLOCK TM_GetTimeOfDay(&opStartTime, 0); #endif /* FS_STATS_DETAILED */ if (code = CallPreamble((struct rx_call **) &tcon, NOTACTIVECALL)) goto Bad_GetTime; code = GetTime (tcon, Seconds, USeconds); Bad_GetTime: CallPostamble(tcon); #if FS_STATS_DETAILED TM_GetTimeOfDay(&opStopTime, 0); fs_stats_GetDiff(elapsedTime, opStartTime, opStopTime); if (code == 0) { FS_LOCK (opP->numSuccesses)++; fs_stats_AddTo((opP->sumTime), elapsedTime); fs_stats_SquareAddTo((opP->sqrTime), elapsedTime); if (fs_stats_TimeLessThan(elapsedTime, (opP->minTime))) { fs_stats_TimeAssign((opP->minTime), elapsedTime); } if (fs_stats_TimeGreaterThan(elapsedTime, (opP->maxTime))) { fs_stats_TimeAssign((opP->maxTime), elapsedTime); } FS_UNLOCK } #endif /* FS_STATS_DETAILED */ return code; } /*SRXAFS_GetTime*/ /*=============================================================================*/ /* */ /* AUXILIARY functions that are used by the main AFS interface procedure calls */ /* */ /*=============================================================================*/ /* * This unusual afs_int32-parameter routine encapsulates all volume package related * operations together in a single function; it's called by almost all AFS * interface calls. */ GetVolumePackage(tcon, Fid, volptr, targetptr, chkforDir, parent, client, locktype, rights, anyrights) struct rx_connection *tcon; /* Rx connection */ AFSFid *Fid; /* Fid that we are dealing with */ Volume **volptr; /* Returns pointer to volume associated with Fid */ Vnode **targetptr; /* Returns pointer to vnode associated with Fid */ int chkforDir; /* Flag testing whether Fid is/or not a dir */ Vnode **parent; /* If Fid not a dir, this points to the parent dir */ struct client **client; /* Returns the client associated with the conn */ int locktype; /* locktype (READ or WRITE) for the Fid vnode */ afs_int32 *rights, *anyrights; /* Returns user's & any acl rights */ { struct acl_accessList * aCL; /* Internal access List */ int aCLSize; /* size of the access list */ int errorCode = 0; /* return code to caller */ if (errorCode = CheckVnode(Fid, volptr, targetptr, locktype)) return(errorCode); if (chkforDir) { if (chkforDir == MustNOTBeDIR && ((*targetptr)->disk.type == vDirectory)) return(EISDIR); else if (chkforDir == MustBeDIR && ((*targetptr)->disk.type != vDirectory)) return(ENOTDIR); } if ((errorCode = SetAccessList(targetptr, volptr, &aCL, &aCLSize, parent, (chkforDir == MustBeDIR ? (AFSFid *)0 : Fid), (chkforDir == MustBeDIR ? 0 : locktype))) != 0) return(errorCode); if (chkforDir == MustBeDIR) assert((*parent) == 0); if ((errorCode = GetClient(tcon, client)) != 0) return(errorCode); if (!(*client)) return(EINVAL); assert(GetRights(*client, aCL, rights, anyrights) == 0); /* ok, if this is not a dir, set the PRSFS_ADMINISTER bit iff we're the owner */ if ((*targetptr)->disk.type != vDirectory) { /* anyuser can't be owner, so only have to worry about rights, not anyrights */ if ((*targetptr)->disk.owner == (*client)->ViceId) (*rights) |= PRSFS_ADMINISTER; else (*rights) &= ~PRSFS_ADMINISTER; } #ifdef ADMIN_IMPLICIT_LOOKUP /* admins get automatic lookup on everything */ if (!VanillaUser(*client)) (*rights) |= PRSFS_LOOKUP; #endif /* ADMIN_IMPLICIT_LOOKUP */ return errorCode; } /*GetVolumePackage*/ /* * This is the opposite of GetVolumePackage(), and is always used at the end of * AFS calls to put back all used vnodes and the volume in the proper order! */ PutVolumePackage(parentwhentargetnotdir, targetptr, parentptr, volptr) Vnode *parentwhentargetnotdir, *targetptr, *parentptr; Volume *volptr; { int fileCode = 0; /* Error code returned by the volume package */ if (parentwhentargetnotdir) { VPutVnode(&fileCode, parentwhentargetnotdir); assert(!fileCode || (fileCode == VSALVAGE)); } if (targetptr) { VPutVnode(&fileCode, targetptr); assert(!fileCode || (fileCode == VSALVAGE)); } if (parentptr) { VPutVnode(&fileCode, parentptr); assert(!fileCode || (fileCode == VSALVAGE)); } if (volptr) { VPutVolume(volptr); } } /*PutVolumePackage*/ #if FS_STATS_DETAILED /* * FetchData_RXStyle * * Purpose: * Implement a client's data fetch using Rx. * * Arguments: * volptr : Ptr to the given volume's info. * targetptr : Pointer to the vnode involved. * Call : Ptr to the Rx call involved. * Pos : Offset within the file. * Len : Length in bytes to read; this value is bogus! * a_bytesToFetchP : Set to the number of bytes to be fetched from * the File Server. * a_bytesFetchedP : Set to the actual number of bytes fetched from # the File Server. */ FetchData_RXStyle(volptr, targetptr, Call, Pos, Len, a_bytesToFetchP, a_bytesFetchedP) #else FetchData_RXStyle(volptr, targetptr, Call, Pos, Len) #endif /* FS_STATS_DETAILED */ Volume * volptr; Vnode * targetptr; register struct rx_call * Call; afs_int32 Pos; afs_int32 Len; #if FS_STATS_DETAILED afs_int32 *a_bytesToFetchP; afs_int32 *a_bytesFetchedP; #endif /* FS_STATS_DETAILED */ { struct timeval StartTime, StopTime; /* used to calculate file transfer rates */ int errorCode = 0; /* Returned error code to caller */ int code; IHandle_t *ihP; FdHandle_t *fdP; #ifdef AFS_NT40_ENV register char *tbuffer; #else /* AFS_NT40_ENV */ struct iovec tiov[RX_MAXIOVECS]; int tnio; #endif /* AFS_NT40_ENV */ int tlen; afs_int32 optSize; struct stat tstat; #ifdef AFS_AIX_ENV struct statfs tstatfs; #endif #if FS_STATS_DETAILED /* * Initialize the byte count arguments. */ (*a_bytesToFetchP) = 0; (*a_bytesFetchedP) = 0; #endif /* FS_STATS_DETAILED */ if (!VN_GET_INO(targetptr)) { /* * This is used for newly created files; we simply send 0 bytes * back to make the cache manager happy... */ tlen = htonl(0); rx_Write(Call, &tlen, sizeof(afs_int32)); /* send 0-length */ return (0); } TM_GetTimeOfDay(&StartTime, 0); ihP = targetptr->handle; fdP = IH_OPEN(ihP); if (fdP == NULL) return EIO; optSize = AFSV_BUFFERSIZE; tlen = FDH_SIZE(fdP); if (tlen < 0) { FDH_CLOSE(fdP); return EIO; } if (Pos + Len > tlen) Len = tlen - Pos; /* get length we should send */ FDH_SEEK(fdP, Pos, 0); tlen = htonl(Len); rx_Write(Call, &tlen, sizeof(afs_int32)); /* send length on fetch */ #if FS_STATS_DETAILED (*a_bytesToFetchP) = Len; #endif /* FS_STATS_DETAILED */ #ifdef AFS_NT40_ENV tbuffer = AllocSendBuffer(); #endif /* AFS_NT40_ENV */ while (Len > 0) { if (Len > optSize) tlen = optSize; else tlen = Len; #ifdef AFS_NT40_ENV errorCode = FDH_READ(fdP, tbuffer, tlen); if (errorCode != tlen) { FDH_CLOSE(fdP); FreeSendBuffer((struct afs_buffer *) tbuffer); return EIO; } errorCode = rx_Write(Call, tbuffer, tlen); #else /* AFS_NT40_ENV */ errorCode = rx_WritevAlloc(Call, tiov, &tnio, RX_MAXIOVECS, tlen); if (errorCode <= 0) { FDH_CLOSE(fdP); return EIO; } tlen = errorCode; errorCode = FDH_READV(fdP, tiov, tnio); if (errorCode != tlen) { FDH_CLOSE(fdP); return EIO; } errorCode = rx_Writev(Call, tiov, tnio, tlen); #endif /* AFS_NT40_ENV */ #if FS_STATS_DETAILED /* * Bump the number of bytes actually sent by the number from this * latest iteration */ (*a_bytesFetchedP) += errorCode; #endif /* FS_STATS_DETAILED */ if (errorCode != tlen) { FDH_CLOSE(fdP); #ifdef AFS_NT40_ENV FreeSendBuffer((struct afs_buffer *) tbuffer); #endif /* AFS_NT40_ENV */ return -31; } Len -= tlen; } #ifdef AFS_NT40_ENV FreeSendBuffer((struct afs_buffer *) tbuffer); #endif /* AFS_NT40_ENV */ FDH_CLOSE(fdP); TM_GetTimeOfDay(&StopTime, 0); /* Adjust all Fetch Data related stats */ FS_LOCK if (AFSCallStats.TotalFetchedBytes > 2000000000) /* Reset if over 2 billion */ AFSCallStats.TotalFetchedBytes = AFSCallStats.AccumFetchTime = 0; AFSCallStats.AccumFetchTime += ((StopTime.tv_sec - StartTime.tv_sec) * 1000) + ((StopTime.tv_usec - StartTime.tv_usec) / 1000); AFSCallStats.TotalFetchedBytes += targetptr->disk.length; AFSCallStats.FetchSize1++; if (targetptr->disk.length < SIZE2) AFSCallStats.FetchSize2++; else if (targetptr->disk.length < SIZE3) AFSCallStats.FetchSize3++; else if (targetptr->disk.length < SIZE4) AFSCallStats.FetchSize4++; else AFSCallStats.FetchSize5++; FS_UNLOCK return (0); } /*FetchData_RXStyle*/ static int GetLinkCountAndSize(Volume *vp, FdHandle_t *fdP, int *lc, int *size) { #ifdef AFS_NAMEI_ENV FdHandle_t *lhp; lhp = IH_OPEN(V_linkHandle(vp)); if (!lhp) return EIO; #ifdef AFS_NT40_ENV *lc = nt_GetLinkCount(lhp, fdP->fd_ih->ih_ino, 0); #else *lc = namei_GetLinkCount(lhp, fdP->fd_ih->ih_ino, 0); #endif FDH_CLOSE(lhp); if (*lc < 0 ) return -1; *size = OS_SIZE(fdP->fd_fd); return (*size == -1) ? -1 : 0; #else struct stat status; if (fstat(fdP->fd_fd, &status)<0) { return -1; } *lc = GetLinkCount(vp, &status); *size = status.st_size; return 0; #endif } #if FS_STATS_DETAILED /* * StoreData_RXStyle * * Purpose: * Implement a client's data store using Rx. * * Arguments: * volptr : Ptr to the given volume's info. * targetptr : Pointer to the vnode involved. * Call : Ptr to the Rx call involved. * Pos : Offset within the file. * Len : Length in bytes to store; this value is bogus! * a_bytesToStoreP : Set to the number of bytes to be stored to * the File Server. * a_bytesStoredP : Set to the actual number of bytes stored to # the File Server. */ StoreData_RXStyle(volptr, targetptr, Fid, client, Call, Pos, Length, FileLength, sync, a_bytesToStoreP, a_bytesStoredP) #else StoreData_RXStyle(volptr, targetptr, Fid, client, Call, Pos, Length, FileLength, sync) #endif /* FS_STATS_DETAILED */ Volume *volptr; Vnode *targetptr; struct AFSFid *Fid; struct client *client; register struct rx_call *Call; afs_int32 Pos; afs_int32 Length; afs_int32 FileLength; int sync; #if FS_STATS_DETAILED afs_int32 *a_bytesToStoreP; afs_int32 *a_bytesStoredP; #endif /* FS_STATS_DETAILED */ { int bytesTransfered; /* number of bytes actually transfered */ struct timeval StartTime, StopTime; /* Used to measure how long the store takes */ int errorCode = 0; /* Returned error code to caller */ #ifdef AFS_NT40_ENV register char *tbuffer; /* data copying buffer */ #else /* AFS_NT40_ENV */ struct iovec tiov[RX_MAXIOVECS]; /* no data copying with iovec */ int tnio; /* temp for iovec size */ #endif /* AFS_NT40_ENV */ int tlen; /* temp for xfr length */ Inode tinode; /* inode for I/O */ afs_int32 optSize; /* optimal transfer size */ int DataLength; /* size of inode */ afs_int32 TruncatedLength; /* size after ftruncate */ afs_int32 NewLength; /* size after this store completes */ afs_int32 adjustSize; /* bytes to call VAdjust... with */ int linkCount; /* link count on inode */ int code; FdHandle_t *fdP; struct in_addr logHostAddr; /* host ip holder for inet_ntoa */ #if FS_STATS_DETAILED /* * Initialize the byte count arguments. */ (*a_bytesToStoreP) = 0; (*a_bytesStoredP) = 0; #endif /* FS_STATS_DETAILED */ /* * We break the callbacks here so that the following signal will not * leave a window. */ BreakCallBack(client->host, Fid, 0); if (Pos == -1 || VN_GET_INO(targetptr) == 0) { /* the inode should have been created in Alloc_NewVnode */ logHostAddr.s_addr = rx_HostOf(rx_PeerOf(rx_ConnectionOf(Call))); ViceLog(0, ("StoreData_RXStyle : Inode non-existent Fid = %u.%d.%d, inode = %d, Pos %d Host %s\n", Fid->Volume, Fid->Vnode, Fid->Unique, VN_GET_INO(targetptr), Pos, inet_ntoa(logHostAddr) )); return ENOENT; /* is this proper error code? */ } else { /* * See if the file has several links (from other volumes). If it * does, then we have to make a copy before changing it to avoid *changing read-only clones of this dude */ ViceLog(25, ("StoreData_RXStyle : Opening inode %s\n", PrintInode(NULL, VN_GET_INO(targetptr)))); fdP = IH_OPEN(targetptr->handle); if (fdP == NULL) return ENOENT; if (GetLinkCountAndSize(volptr, fdP, &linkCount, &DataLength)<0) { FDH_CLOSE(fdP); return EIO; } if (linkCount != 1) { int size; ViceLog(25, ("StoreData_RXStyle : inode %s has more than onelink\n", PrintInode(NULL, VN_GET_INO(targetptr)))); /* other volumes share this data, better copy it first */ /* Adjust the disk block count by the creation of the new inode. * We call the special VDiskUsage so we don't adjust the volume's * quota since we don't want to penalyze the user for afs's internal * mechanisms (i.e. copy on write overhead.) Also the right size * of the disk will be recorded... */ FDH_CLOSE(fdP); size = targetptr->disk.length; volptr->partition->flags &= ~PART_DONTUPDATE; VSetPartitionDiskUsage(volptr->partition); volptr->partition->flags |= PART_DONTUPDATE; if (errorCode = VDiskUsage(volptr, nBlocks(size))) { volptr->partition->flags &= ~PART_DONTUPDATE; return(errorCode); } ViceLog(25, ("StoreData : calling CopyOnWrite on target dir\n")); if ( errorCode = CopyOnWrite(targetptr, volptr)) { ViceLog(25, ("StoreData : CopyOnWrite failed\n")); volptr->partition->flags &= ~PART_DONTUPDATE; return (errorCode); } volptr->partition->flags &= ~PART_DONTUPDATE; VSetPartitionDiskUsage(volptr->partition); fdP = IH_OPEN(targetptr->handle); if (fdP == NULL) { ViceLog(25, ("StoreData : Reopen after CopyOnWrite failed\n")); return ENOENT; } } tinode = VN_GET_INO(targetptr); } assert(VALID_INO(tinode)); /* compute new file length */ NewLength = DataLength; if (FileLength < NewLength) /* simulate truncate */ NewLength = FileLength; TruncatedLength = NewLength; /* remember length after possible ftruncate */ if (Pos + Length > NewLength) NewLength = Pos+Length; /* and write */ /* adjust the disk block count by the difference in the files */ adjustSize = (int) (nBlocks(NewLength) - nBlocks(targetptr->disk.length)); if(errorCode = AdjustDiskUsage(volptr, adjustSize, adjustSize - SpareComp(volptr))) { FDH_CLOSE(fdP); return(errorCode); } /* can signal cache manager to proceed from close now */ /* this bit means that the locks are set and protections are OK */ rx_SetLocalStatus(Call, 1); TM_GetTimeOfDay(&StartTime, 0); optSize = AFSV_BUFFERSIZE; /* truncate the file iff it needs it (ftruncate is slow even when its a noop) */ if (FileLength < DataLength) FDH_TRUNC(fdP, FileLength); if (Pos > 0) FDH_SEEK(fdP, Pos, 0); bytesTransfered = 0; #ifdef AFS_NT40_ENV tbuffer = AllocSendBuffer(); #endif /* AFS_NT40_ENV */ /* if length == 0, the loop below isn't going to do anything, including * extend the length of the inode, which it must do, since the file system * assumes that the inode length == vnode's file length. So, we extend * the file length manually if need be. Note that if file is bigger than * Pos+(Length==0), we dont' have to do anything, and certainly shouldn't * do what we're going to do below. */ if (Length == 0 && Pos > TruncatedLength) { /* Set the file's length; we've already done an lseek to the right * spot above. */ errorCode = FDH_WRITE(fdP, &tlen, 1); if (errorCode != 1) goto done; errorCode = FDH_TRUNC(fdP, Pos); } else { /* have some data to copy */ #if FS_STATS_DETAILED (*a_bytesToStoreP) = Length; #endif /* FS_STATS_DETAILED */ while (1) { if (bytesTransfered >= Length) { errorCode = 0; break; } tlen = Length - bytesTransfered; /* how much more to do */ if (tlen > optSize) tlen = optSize; /* bound by buffer size */ #ifdef AFS_NT40_ENV errorCode = rx_Read(Call, tbuffer, tlen); #else /* AFS_NT40_ENV */ errorCode = rx_Readv(Call, tiov, &tnio, RX_MAXIOVECS, tlen); #endif /* AFS_NT40_ENV */ #if FS_STATS_DETAILED (*a_bytesStoredP) += errorCode; #endif /* FS_STATS_DETAILED */ if (errorCode <= 0) { errorCode = -32; break; } tlen = errorCode; #ifdef AFS_NT40_ENV errorCode = FDH_WRITE(fdP, tbuffer, tlen); #else /* AFS_NT40_ENV */ errorCode = FDH_WRITEV(fdP, tiov, tnio); #endif /* AFS_NT40_ENV */ if (errorCode != tlen) { errorCode = VDISKFULL; break; } bytesTransfered += tlen; } } done: #ifdef AFS_NT40_ENV FreeSendBuffer((struct afs_buffer *) tbuffer); #endif /* AFS_NT40_ENV */ if (sync) { FDH_SYNC(fdP); } if (errorCode) { /* something went wrong: adjust size and return */ targetptr->disk.length = FDH_SIZE(fdP); /* set new file size. */ /* changed_newTime is tested in StoreData to detemine if we * need to update the target vnode. */ targetptr->changed_newTime = 1; FDH_CLOSE(fdP); /* set disk usage to be correct */ VAdjustDiskUsage(&errorCode, volptr, (int)(nBlocks(targetptr->disk.length) - nBlocks(NewLength)), 0); return errorCode; } FDH_CLOSE(fdP); TM_GetTimeOfDay(&StopTime, 0); targetptr->disk.length = NewLength; /* Update all StoreData related stats */ FS_LOCK if (AFSCallStats.TotalStoredBytes > 2000000000) /* reset if over 2 billion */ AFSCallStats.TotalStoredBytes = AFSCallStats.AccumStoreTime = 0; AFSCallStats.StoreSize1++; /* Piggybacked data */ if (targetptr->disk.length < SIZE2) AFSCallStats.StoreSize2++; else if (targetptr->disk.length < SIZE3) AFSCallStats.StoreSize3++; else if (targetptr->disk.length < SIZE4) AFSCallStats.StoreSize4++; else AFSCallStats.StoreSize5++; FS_UNLOCK return(errorCode); } /*StoreData_RXStyle*/ /* * Check if target file has the proper access permissions for the Fetch * (FetchData, FetchACL, FetchStatus) and Store (StoreData, StoreACL, * StoreStatus) related calls */ /* this code should probably just set a "priv" flag where all the audit events * are now, and only generate the audit event once at the end of the routine, * thus only generating the event if all the checks succeed, but only because * of the privilege XXX */ Check_PermissionRights(targetptr, client, rights, CallingRoutine, InStatus) Vnode *targetptr; struct client *client; afs_int32 rights; int CallingRoutine; AFSStoreStatus *InStatus; { int errorCode = 0; #define OWNSp(client, target) ((client)->ViceId == (target)->disk.owner) #define CHOWN(i,t) (((i)->Mask & AFS_SETOWNER) &&((i)->Owner != (t)->disk.owner)) #define CHGRP(i,t) (((i)->Mask & AFS_SETGROUP) &&((i)->Group != (t)->disk.group)) if (CallingRoutine & CHK_FETCH) { #ifdef CMUCS if (VanillaUser(client)) #else if (CallingRoutine == CHK_FETCHDATA || VanillaUser(client)) #endif { if (targetptr->disk.type == vDirectory || targetptr->disk.type == vSymlink) { if ( !(rights & PRSFS_LOOKUP) #ifdef ADMIN_IMPLICIT_LOOKUP /* grant admins fetch on all directories */ && VanillaUser(client) #endif /* ADMIN_IMPLICIT_LOOKUP */ && !OWNSp(client, targetptr) && !acl_IsAMember(targetptr->disk.owner, &client->CPS) && !VolumeOwner(client, targetptr)) return(EACCES); } else { /* file */ /* must have read access, or be owner and have insert access */ if (!(rights & PRSFS_READ) && !(OWNSp(client, targetptr) && (rights & PRSFS_INSERT))) return(EACCES); } if (CallingRoutine == CHK_FETCHDATA && targetptr->disk.type == vFile) #ifdef USE_GROUP_PERMS if (!OWNSp(client, targetptr) && !acl_IsAMember(targetptr->disk.owner, &client->CPS)) { errorCode = (((GROUPREAD|GROUPEXEC) & targetptr->disk.modeBits) ? 0: EACCES); } else { errorCode =(((OWNERREAD|OWNEREXEC) & targetptr->disk.modeBits) ? 0: EACCES); } #else /* * The check with the ownership below is a kludge to allow * reading of files created with no read permission. The owner * of the file is always allowed to read it. */ if ((client->ViceId != targetptr->disk.owner) && VanillaUser(client)) errorCode =(((OWNERREAD|OWNEREXEC) & targetptr->disk.modeBits) ? 0: EACCES); #endif } else /* !VanillaUser(client) && !FetchData */ { osi_audit( PrivilegeEvent, 0, AUD_INT, (client ? client->ViceId : 0), AUD_INT, CallingRoutine, AUD_END); } } else { /* a store operation */ if ( (rights & PRSFS_INSERT) && OWNSp(client, targetptr) && (CallingRoutine != CHK_STOREACL) && (targetptr->disk.type == vFile)) { /* bypass protection checks on first store after a create * for the creator; also prevent chowns during this time * unless you are a system administrator */ /****** InStatus->Owner && UnixModeBits better be SET!! */ if ( CHOWN(InStatus, targetptr) || CHGRP(InStatus, targetptr)) { if (VanillaUser (client)) return(EPERM); /* Was EACCES */ else osi_audit( PrivilegeEvent, 0, AUD_INT, (client ? client->ViceId : 0), AUD_INT, CallingRoutine, AUD_END); } } else { if (CallingRoutine != CHK_STOREDATA && !VanillaUser(client)) { osi_audit( PrivilegeEvent, 0, AUD_INT, (client ? client->ViceId : 0), AUD_INT, CallingRoutine, AUD_END); } else { if (CallingRoutine == CHK_STOREACL) { if (!(rights & PRSFS_ADMINISTER) && !OWNSp(client, targetptr) && !acl_IsAMember(targetptr->disk.owner, &client->CPS) && !VolumeOwner(client, targetptr)) return(EACCES); } else { /* store data or status */ /* watch for chowns and chgrps */ if (CHOWN(InStatus, targetptr) || CHGRP(InStatus, targetptr)) return(EPERM); /* Was EACCES */ /* must be sysadmin to set suid/sgid bits */ if ((InStatus->Mask & AFS_SETMODE) && #ifdef AFS_NT40_ENV (InStatus->UnixModeBits & 0xc00) != 0) { #else (InStatus->UnixModeBits & (S_ISUID|S_ISGID)) != 0) { #endif if (VanillaUser(client)) return(EACCES); else osi_audit( PrivSetID, 0, AUD_INT, (client ? client->ViceId : 0), AUD_INT, CallingRoutine, AUD_END); } if (CallingRoutine == CHK_STOREDATA) { if (!(rights & PRSFS_WRITE)) return(EACCES); /* Next thing is tricky. We want to prevent people * from writing files sans 0200 bit, but we want * creating new files with 0444 mode to work. We * don't check the 0200 bit in the "you are the owner" * path above, but here we check the bit. However, if * you're a system administrator, we ignore the 0200 * bit anyway, since you may have fchowned the file, * too */ #ifdef USE_GROUP_PERMS if ((targetptr->disk.type == vFile) && VanillaUser(client)) { if (!OWNSp(client, targetptr) && !acl_IsAMember(targetptr->disk.owner, &client->CPS)) { errorCode = ((GROUPWRITE & targetptr->disk.modeBits) ? 0: EACCES); } else { errorCode = ((OWNERWRITE & targetptr->disk.modeBits) ? 0 : EACCES); } } else #endif if ((targetptr->disk.type != vDirectory) && (!(targetptr->disk.modeBits & OWNERWRITE))) if (VanillaUser(client)) return(EACCES); else osi_audit( PrivilegeEvent, 0, AUD_INT, (client ? client->ViceId : 0), AUD_INT, CallingRoutine, AUD_END); } else { /* a status store */ if (targetptr->disk.type == vDirectory) { if (!(rights & PRSFS_DELETE) && !(rights & PRSFS_INSERT)) return(EACCES); } else { /* a file or symlink */ if (!(rights & PRSFS_WRITE)) return(EACCES); } } } } } } return(errorCode); } /*Check_PermissionRights*/ /* * The Access List information is converted from its internal form in the * target's vnode buffer (or its parent vnode buffer if not a dir), to an * external form and returned back to the caller, via the AccessList * structure */ RXFetch_AccessList(targetptr, parentwhentargetnotdir, AccessList) Vnode * targetptr; Vnode * parentwhentargetnotdir; struct AFSOpaque * AccessList; { char * eACL; /* External access list placeholder */ if (acl_Externalize((targetptr->disk.type == vDirectory ? VVnodeACL(targetptr) : VVnodeACL(parentwhentargetnotdir)), &eACL) != 0) { return EIO; } if ((strlen(eACL)+1) > AFSOPAQUEMAX) { acl_FreeExternalACL(&eACL); return(E2BIG); } else { strcpy((char *)(AccessList->AFSOpaque_val), (char *)eACL); AccessList->AFSOpaque_len = strlen(eACL) +1; } acl_FreeExternalACL(&eACL); return(0); } /*RXFetch_AccessList*/ /* * The Access List information is converted from its external form in the * input AccessList structure to the internal representation and copied into * the target dir's vnode storage. */ RXStore_AccessList(targetptr, AccessList) Vnode *targetptr; struct AFSOpaque *AccessList; { struct acl_accessList * newACL; /* PlaceHolder for new access list */ if (acl_Internalize(AccessList->AFSOpaque_val, &newACL) != 0) return(EINVAL); if ((newACL->size + 4) > VAclSize(targetptr)) return(E2BIG); bcopy((char *) newACL,(char *) VVnodeACL(targetptr),(int)(newACL->size)); acl_FreeACL(&newACL); return(0); } /*RXStore_AccessList*/ Fetch_AccessList(targetptr, parentwhentargetnotdir, AccessList) Vnode *targetptr; Vnode *parentwhentargetnotdir; struct AFSAccessList *AccessList; { char * eACL; /* External access list placeholder */ assert(acl_Externalize((targetptr->disk.type == vDirectory ? VVnodeACL(targetptr) : VVnodeACL(parentwhentargetnotdir)), &eACL) == 0); if ((strlen(eACL)+1) > AccessList->MaxSeqLen) { acl_FreeExternalACL(&eACL); return(E2BIG); } else { strcpy((char *)(AccessList->SeqBody), (char *)eACL); AccessList->SeqLen = strlen(eACL) +1; } acl_FreeExternalACL(&eACL); return(0); } /*Fetch_AccessList*/ /* * The Access List information is converted from its external form in the * input AccessList structure to the internal representation and copied into * the target dir's vnode storage. */ Store_AccessList(targetptr, AccessList) Vnode *targetptr; struct AFSAccessList *AccessList; { struct acl_accessList * newACL; /* PlaceHolder for new access list */ if (acl_Internalize(AccessList->SeqBody, &newACL) != 0) return(EINVAL); if ((newACL->size + 4) > VAclSize(targetptr)) return(E2BIG); bcopy((char *) newACL,(char *) VVnodeACL(targetptr),(int)(newACL->size)); acl_FreeACL(&newACL); return(0); } /*Store_AccessList*/ /* * Common code to handle with removing the Name (file when it's called from * SAFS_RemoveFile() or an empty dir when called from SAFS_rmdir()) from a * given directory, parentptr. */ int DT1=0, DT0=0; DeleteTarget(parentptr, volptr, targetptr, dir, fileFid, Name, ChkForDir) Vnode *parentptr; Volume *volptr; Vnode **targetptr; DirHandle *dir; AFSFid *fileFid; char *Name; int ChkForDir; { DirHandle childdir; /* Handle for dir package I/O */ int errorCode = 0; int code; /* watch for invalid names */ if (!strcmp(Name, ".") || !strcmp(Name, "..")) return (EINVAL); if (parentptr->disk.cloned) { ViceLog(25, ("DeleteTarget : CopyOnWrite called\n")); if ( errorCode = CopyOnWrite(parentptr, volptr)) { ViceLog(20, ("DeleteTarget %s: CopyOnWrite failed %d\n",Name,errorCode)); return errorCode; } } /* check that the file is in the directory */ SetDirHandle(dir, parentptr); if (Lookup(dir, Name, fileFid)) return(ENOENT); fileFid->Volume = V_id(volptr); /* just-in-case check for something causing deadlock */ if (fileFid->Vnode == parentptr->vnodeNumber) return(EINVAL); *targetptr = VGetVnode(&errorCode, volptr, fileFid->Vnode, WRITE_LOCK); if (errorCode) { return (errorCode); } if (ChkForDir == MustBeDIR) { if ((*targetptr)->disk.type != vDirectory) return(ENOTDIR); } else if ((*targetptr)->disk.type == vDirectory) return(EISDIR); /*assert((*targetptr)->disk.uniquifier == fileFid->Unique);*/ /** * If the uniquifiers dont match then instead of asserting * take the volume offline and return VSALVAGE */ if ( (*targetptr)->disk.uniquifier != fileFid->Unique ) { VTakeOffline(volptr); errorCode = VSALVAGE; return errorCode; } if (ChkForDir == MustBeDIR) { SetDirHandle(&childdir, *targetptr); if (IsEmpty(&childdir) != 0) return(EEXIST); DZap(&childdir); (*targetptr)->delete = 1; } else if ((--(*targetptr)->disk.linkCount) == 0) (*targetptr)->delete = 1; if ((*targetptr)->delete) { if (VN_GET_INO(*targetptr)) { DT0++; IH_REALLYCLOSE((*targetptr)->handle); errorCode = IH_DEC(V_linkHandle(volptr), VN_GET_INO(*targetptr), V_parentId(volptr)); IH_RELEASE((*targetptr)->handle); if (errorCode == -1) { ViceLog(0, ("DT: inode=%s, name=%s, errno=%d\n", PrintInode(NULL, VN_GET_INO(*targetptr)), Name, errno)); #ifdef AFS_DEC_ENV if ((errno != ENOENT) && (errno != EIO) && (errno != ENXIO)) #else if (errno != ENOENT) #endif { ViceLog(0, ("Volume %u now offline, must be salvaged.\n", volptr->hashid)); VTakeOffline(volptr); return (EIO); } DT1++; errorCode = 0; } } VN_SET_INO(*targetptr, (Inode)0); VAdjustDiskUsage(&errorCode, volptr, -(int)nBlocks((*targetptr)->disk.length), 0); } (*targetptr)->changed_newTime = 1; /* Status change of deleted file/dir */ code = Delete(dir,(char *) Name); if (code) { ViceLog(0, ("Error %d deleting %s\n", code, (((*targetptr)->disk.type== Directory)?"directory":"file"))); ViceLog(0, ("Volume %u now offline, must be salvaged.\n", volptr->hashid)); VTakeOffline(volptr); if (!errorCode) errorCode = code; } DFlush(); return(errorCode); } /*DeleteTarget*/ /* * This routine updates the parent directory's status block after the * specified operation (i.e. RemoveFile(), CreateFile(), Rename(), * SymLink(), Link(), MakeDir(), RemoveDir()) on one of its children has * been performed. */ #if FS_STATS_DETAILED Update_ParentVnodeStatus(parentptr, volptr, dir, author, linkcount, a_inSameNetwork) #else Update_ParentVnodeStatus(parentptr, volptr, dir, author, linkcount) #endif /* FS_STATS_DETAILED */ Vnode *parentptr; Volume *volptr; DirHandle *dir; int author; int linkcount; #if FS_STATS_DETAILED char a_inSameNetwork; /*Client in the same net as File Server?*/ #endif /* FS_STATS_DETAILED */ { int newlength; /* Holds new directory length */ int errorCode; #if FS_STATS_DETAILED Date currDate; /*Current date*/ int writeIdx; /*Write index to bump*/ int timeIdx; /*Authorship time index to bump*/ #endif /* FS_STATS_DETAILED */ parentptr->disk.dataVersion++; newlength = Length(dir); /* * This is a called on both dir removals (i.e. remove, removedir, rename) but also in dir additions * (create, symlink, link, makedir) so we need to check if we have enough space * XXX But we still don't check the error since we're dealing with dirs here and really the increase * of a new entry would be too tiny to worry about failures (since we have all the existing cushion) */ if (nBlocks(newlength) != nBlocks(parentptr->disk.length)) VAdjustDiskUsage(&errorCode, volptr, (int)(nBlocks(newlength) - nBlocks(parentptr->disk.length)), (int)(nBlocks(newlength) - nBlocks(parentptr->disk.length))); parentptr->disk.length = newlength; #if FS_STATS_DETAILED /* * Update directory write stats for this volume. Note that the auth * counter is located immediately after its associated ``distance'' * counter. */ if (a_inSameNetwork) writeIdx = VOL_STATS_SAME_NET; else writeIdx = VOL_STATS_DIFF_NET; V_stat_writes(volptr, writeIdx)++; if (author != AnonymousID) { V_stat_writes(volptr, writeIdx+1)++; } /* * Update the volume's authorship information in response to this * directory operation. Get the current time, decide to which time * slot this operation belongs, and bump the appropriate slot. */ currDate = (FT_ApproxTime() - parentptr->disk.unixModifyTime); timeIdx = (currDate < VOL_STATS_TIME_CAP_0 ? VOL_STATS_TIME_IDX_0 : currDate < VOL_STATS_TIME_CAP_1 ? VOL_STATS_TIME_IDX_1 : currDate < VOL_STATS_TIME_CAP_2 ? VOL_STATS_TIME_IDX_2 : currDate < VOL_STATS_TIME_CAP_3 ? VOL_STATS_TIME_IDX_3 : currDate < VOL_STATS_TIME_CAP_4 ? VOL_STATS_TIME_IDX_4 : VOL_STATS_TIME_IDX_5); if (parentptr->disk.author == author) { V_stat_dirSameAuthor(volptr, timeIdx)++; } else { V_stat_dirDiffAuthor(volptr, timeIdx)++; } #endif /* FS_STATS_DETAILED */ parentptr->disk.author = author; parentptr->disk.linkCount = linkcount; parentptr->disk.unixModifyTime = FT_ApproxTime(); /* This should be set from CLIENT!! */ parentptr->disk.serverModifyTime = FT_ApproxTime(); parentptr->changed_newTime = 1; /* vnode changed, write it back. */ } /* * Update the target file's (or dir's) status block after the specified * operation is complete. Note that some other fields maybe updated by * the individual module. */ /* INCOMPLETE - More attention is needed here! */ Update_TargetVnodeStatus(targetptr, Caller, client, InStatus, parentptr, volptr, length) Vnode *targetptr; afs_uint32 Caller; struct client *client; AFSStoreStatus *InStatus; Vnode *parentptr; Volume *volptr; afs_int32 length; { #if FS_STATS_DETAILED Date currDate; /*Current date*/ int writeIdx; /*Write index to bump*/ int timeIdx; /*Authorship time index to bump*/ #endif /* FS_STATS_DETAILED */ if (Caller & (TVS_CFILE|TVS_SLINK|TVS_MKDIR)) { /* initialize new file */ targetptr->disk.parent = parentptr->vnodeNumber; targetptr->disk.length = length; /* targetptr->disk.group = 0; save some cycles */ targetptr->disk.modeBits = 0777; targetptr->disk.owner = client->ViceId; targetptr->disk.dataVersion = 0 ; /* consistent with the client */ targetptr->disk.linkCount = (Caller & TVS_MKDIR ? 2 : 1); /* the inode was created in Alloc_NewVnode() */ } #if FS_STATS_DETAILED /* * Update file write stats for this volume. Note that the auth * counter is located immediately after its associated ``distance'' * counter. */ if (client->InSameNetwork) writeIdx = VOL_STATS_SAME_NET; else writeIdx = VOL_STATS_DIFF_NET; V_stat_writes(volptr, writeIdx)++; if (client->ViceId != AnonymousID) { V_stat_writes(volptr, writeIdx+1)++; } /* * We only count operations that DON'T involve creating new objects * (files, symlinks, directories) or simply setting status as * authorship-change operations. */ if (!(Caller & (TVS_CFILE | TVS_SLINK | TVS_MKDIR | TVS_SSTATUS))) { /* * Update the volume's authorship information in response to this * file operation. Get the current time, decide to which time * slot this operation belongs, and bump the appropriate slot. */ currDate = (FT_ApproxTime() - targetptr->disk.unixModifyTime); timeIdx = (currDate < VOL_STATS_TIME_CAP_0 ? VOL_STATS_TIME_IDX_0 : currDate < VOL_STATS_TIME_CAP_1 ? VOL_STATS_TIME_IDX_1 : currDate < VOL_STATS_TIME_CAP_2 ? VOL_STATS_TIME_IDX_2 : currDate < VOL_STATS_TIME_CAP_3 ? VOL_STATS_TIME_IDX_3 : currDate < VOL_STATS_TIME_CAP_4 ? VOL_STATS_TIME_IDX_4 : VOL_STATS_TIME_IDX_5); if (targetptr->disk.author == client->ViceId) { V_stat_fileSameAuthor(volptr, timeIdx)++; } else { V_stat_fileDiffAuthor(volptr, timeIdx)++; } } #endif /* FS_STATS_DETAILED */ if (!(Caller & TVS_SSTATUS)) targetptr->disk.author = client->ViceId; if (Caller & TVS_SDATA) { targetptr->disk.dataVersion++; if (VanillaUser(client)) targetptr->disk.modeBits &= ~04000; /* turn off suid for file. */ } if (Caller & TVS_SSTATUS) { /* update time on non-status change */ /* store status, must explicitly request to change the date */ if (InStatus->Mask & AFS_SETMODTIME) targetptr->disk.unixModifyTime = InStatus->ClientModTime; } else {/* other: date always changes, but perhaps to what is specified by caller */ targetptr->disk.unixModifyTime = (InStatus->Mask & AFS_SETMODTIME ? InStatus->ClientModTime : FT_ApproxTime()); } if (InStatus->Mask & AFS_SETOWNER) { /* admin is allowed to do chmod, chown as well as chown, chmod. */ if (VanillaUser(client)) targetptr->disk.modeBits &= ~04000; /* turn off suid for file. */ targetptr->disk.owner = InStatus->Owner; if (VolumeRootVnode (targetptr)) { Error errorCode = 0; /* what should be done with this? */ V_owner(targetptr->volumePtr) = InStatus->Owner; VUpdateVolume(&errorCode, targetptr->volumePtr); } } if (InStatus->Mask & AFS_SETMODE) { int modebits = InStatus->UnixModeBits; #define CREATE_SGUID_ADMIN_ONLY 1 #ifdef CREATE_SGUID_ADMIN_ONLY if (VanillaUser(client)) modebits = modebits & 0777; #endif if (VanillaUser(client)) { targetptr->disk.modeBits = modebits; } else { targetptr->disk.modeBits = modebits; switch ( Caller ) { case TVS_SDATA: osi_audit( PrivSetID, 0, AUD_INT, client->ViceId, AUD_INT, CHK_STOREDATA, AUD_END); break; case TVS_CFILE: case TVS_SSTATUS: osi_audit( PrivSetID, 0, AUD_INT, client->ViceId, AUD_INT, CHK_STORESTATUS, AUD_END); break; default: break; } } } targetptr->disk.serverModifyTime = FT_ApproxTime(); if (InStatus->Mask & AFS_SETGROUP) targetptr->disk.group = InStatus->Group; /* vnode changed : to be written back by VPutVnode */ targetptr->changed_newTime = 1; } /*Update_TargetVnodeStatus*/ /* * Fills the CallBack structure with the expiration time and type of callback * structure. Warning: this function is currently incomplete. */ SetCallBackStruct(CallBackTime, CallBack) afs_uint32 CallBackTime; struct AFSCallBack *CallBack; { /* CallBackTime could not be 0 */ if (CallBackTime == 0) { ViceLog(0, ("WARNING: CallBackTime == 0!\n")); CallBack->ExpirationTime = 0; } else CallBack->ExpirationTime = CallBackTime - FT_ApproxTime(); CallBack->CallBackVersion = CALLBACK_VERSION; CallBack->CallBackType = CB_SHARED; /* The default for now */ } /*SetCallBackStruct*/ /* * Returns the volume and vnode pointers associated with file Fid; the lock * type on the vnode is set to lock. Note that both volume/vnode's ref counts * are incremented and they must be eventualy released. */ CheckVnode(fid, volptr, vptr, lock) AFSFid *fid; Volume **volptr; Vnode **vptr; int lock; { int fileCode = 0; int errorCode = -1; static struct timeval restartedat = {0,0}; if (fid->Volume == 0 || fid->Vnode == 0) /* not: || fid->Unique == 0) */ return(EINVAL); if ((*volptr) == 0) { extern int VInit; while(1) { errorCode = 0; *volptr = VGetVolume(&errorCode, (afs_int32)fid->Volume); if (!errorCode) { assert (*volptr); break; } if ((errorCode == VOFFLINE) && (VInit < 2)) { /* The volume we want may not be attached yet because * the volume initialization is not yet complete. * We can do several things: * 1. return -1, which will cause users to see * "connection timed out". This is more or * less the same as always, except that the servers * may appear to bounce up and down while they * are actually restarting. * 2. return VBUSY which will cause clients to * sleep and retry for 6.5 - 15 minutes, depending * on what version of the CM they are running. If * the file server takes longer than that interval * to attach the desired volume, then the application * will see an ENODEV or EIO. This approach has * the advantage that volumes which have been attached * are immediately available, it keeps the server's * immediate backlog low, and the call is interruptible * by the user. Users see "waiting for busy volume." * 3. sleep here and retry. Some people like this approach * because there is no danger of seeing errors. However, * this approach only works with a bounded number of * clients, since the pending queues will grow without * stopping. It might be better to find a way to take * this call and stick it back on a queue in order to * recycle this thread for a different request. * 4. Return a new error code, which new cache managers will * know enough to interpret as "sleep and retry", without * the upper bound of 6-15 minutes that is imposed by the * VBUSY handling. Users will see "waiting for * busy volume," so they know that something is * happening. Old cache managers must be able to do * something reasonable with this, for instance, mark the * server down. Fortunately, any error code < 0 * will elicit that behavior. See #1. * 5. Some combination of the above. I like doing #2 for 10 * minutes, followed by #4. 3.1b and 3.2 cache managers * will be fine as long as the restart period is * not longer than 6.5 minutes, otherwise they may * return ENODEV to users. 3.3 cache managers will be * fine for 10 minutes, then will return * ETIMEDOUT. 3.4 cache managers will just wait * until the call works or fails definitively. * NB. The problem with 2,3,4,5 is that old clients won't * fail over to an alternate read-only replica while this * server is restarting. 3.4 clients will fail over right away. */ if (restartedat.tv_sec == 0) { /* I'm not really worried about when we restarted, I'm */ /* just worried about when the first VBUSY was returned. */ TM_GetTimeOfDay(&restartedat, 0); return(VBUSY); } else { struct timeval now; TM_GetTimeOfDay(&now, 0); if ((now.tv_sec - restartedat.tv_sec) < (11*60)) { return(VBUSY); } else { return (VRESTARTING); } } } /* allow read operations on busy volume */ else if(errorCode==VBUSY && lock==READ_LOCK) { errorCode=0; break; } else if (errorCode) return(errorCode); } } assert (*volptr); /* get the vnode */ *vptr = VGetVnode(&errorCode, *volptr, fid->Vnode, lock); if (errorCode) return(errorCode); if ((*vptr)->disk.uniquifier != fid->Unique) { VPutVnode(&fileCode, *vptr); assert(fileCode == 0); *vptr = 0; return(VNOVNODE); /* return the right error code, at least */ } return(0); } /*CheckVnode*/ /* * This routine returns the ACL associated with the targetptr. If the * targetptr isn't a directory, we access its parent dir and get the ACL * thru the parent; in such case the parent's vnode is returned in * READ_LOCK mode. */ SetAccessList(targetptr, volume, ACL, ACLSize, parent, Fid, Lock) Vnode **targetptr; /*Target vnode pointer; returned locked*/ Volume **volume; /*Volume ptr associated with targetptr*/ struct acl_accessList **ACL; /*The returned ACL for the vnode*/ int * ACLSize; /*Returned ACL's size*/ Vnode **parent; /*If target not Dir, it's its locked parent*/ AFSFid *Fid; /*Fid associated with targetptr*/ int Lock; /*Lock type to be applied to targetptr*/ { if ((*targetptr)->disk.type == vDirectory) { *parent = 0; *ACL = VVnodeACL(*targetptr); *ACLSize = VAclSize(*targetptr); return(0); } else { assert(Fid != 0); while(1) { VnodeId parentvnode; int errorCode = 0; parentvnode = (*targetptr)->disk.parent; VPutVnode(&errorCode,*targetptr); *targetptr = 0; if (errorCode) return(errorCode); *parent = VGetVnode(&errorCode, *volume, parentvnode, READ_LOCK); if (errorCode) return(errorCode); *ACL = VVnodeACL(*parent); *ACLSize = VAclSize(*parent); if ((errorCode = CheckVnode(Fid, volume, targetptr, Lock)) != 0) return(errorCode); if ((*targetptr)->disk.parent != parentvnode) { VPutVnode(&errorCode, *parent); *parent = 0; if (errorCode) return(errorCode); } else return(0); } } } /*SetAccessList*/ /* * Common code that handles the creation of a new file (SAFS_CreateFile and * SAFS_Symlink) or a new dir (SAFS_MakeDir) */ Alloc_NewVnode(parentptr, dir, volptr, targetptr, Name, OutFid, FileType, BlocksPreallocatedForVnode) Vnode *parentptr; DirHandle *dir; Volume *volptr; Vnode **targetptr; char *Name; struct AFSFid *OutFid; int FileType; int BlocksPreallocatedForVnode; { int errorCode = 0; /* Error code returned back */ int temp; Inode inode=0; Inode nearInode; /* hint for inode allocation in solaris */ if (errorCode = AdjustDiskUsage(volptr, BlocksPreallocatedForVnode, BlocksPreallocatedForVnode)) { ViceLog(25, ("Insufficient space to allocate %d blocks\n", BlocksPreallocatedForVnode)); return(errorCode); } *targetptr = VAllocVnode(&errorCode, volptr, FileType); if (errorCode != 0) { VAdjustDiskUsage(&temp, volptr, - BlocksPreallocatedForVnode, 0); return(errorCode); } OutFid->Volume = V_id(volptr); OutFid->Vnode = (*targetptr)->vnodeNumber; OutFid->Unique = (*targetptr)->disk.uniquifier; nearInode = VN_GET_INO(parentptr); /* parent is also in same vol */ /* create the inode now itself */ inode = IH_CREATE(V_linkHandle(volptr), V_device(volptr), VPartitionPath(V_partition(volptr)), nearInode, V_id(volptr), (*targetptr)->vnodeNumber, (*targetptr)->disk.uniquifier, 1); /* error in creating inode */ if (!VALID_INO(inode)) { ViceLog(0, ("Volume : %d vnode = %d Failed to create inode: errno = %d\n", (*targetptr)->volumePtr->header->diskstuff.id, (*targetptr)->vnodeNumber, errno)); VAdjustDiskUsage(&temp, volptr, -BlocksPreallocatedForVnode,0); (*targetptr)->delete = 1; /* delete vnode */ return ENOSPC; } VN_SET_INO(*targetptr, inode); IH_INIT(((*targetptr)->handle), V_device(volptr), V_id(volptr), inode); /* copy group from parent dir */ (*targetptr)->disk.group = parentptr->disk.group; if (parentptr->disk.cloned) { ViceLog(25, ("Alloc_NewVnode : CopyOnWrite called\n")); if ( errorCode = CopyOnWrite(parentptr, volptr)) /* disk full */ { ViceLog(25, ("Alloc_NewVnode : CopyOnWrite failed\n")); /* delete the vnode previously allocated */ (*targetptr)->delete = 1; VAdjustDiskUsage(&temp, volptr, -BlocksPreallocatedForVnode, 0); IH_REALLYCLOSE((*targetptr)->handle); if ( IH_DEC(V_linkHandle(volptr), inode, V_parentId(volptr)) ) ViceLog(0,("Alloc_NewVnode: partition %s idec %s failed\n", volptr->partition->name, PrintInode(NULL, inode))); IH_RELEASE((*targetptr)->handle); return errorCode; } } /* add the name to the directory */ SetDirHandle(dir, parentptr); if (errorCode = Create(dir,(char *)Name, OutFid)) { (*targetptr)->delete = 1; VAdjustDiskUsage(&temp, volptr, - BlocksPreallocatedForVnode, 0); IH_REALLYCLOSE((*targetptr)->handle); if ( IH_DEC(V_linkHandle(volptr), inode, V_parentId(volptr))) ViceLog(0,("Alloc_NewVnode: partition %s idec %s failed\n", volptr->partition->name, PrintInode(NULL, inode))); IH_RELEASE((*targetptr)->handle); return(errorCode); } DFlush(); return(0); } /*Alloc_NewVnode*/ /* * Handle all the lock-related code (SAFS_SetLock, SAFS_ExtendLock and * SAFS_ReleaseLock) */ HandleLocking(targetptr, rights, LockingType) Vnode *targetptr; afs_int32 rights; ViceLockType LockingType; { int Time; /* Used for time */ int writeVnode = targetptr->changed_oldTime; /* save original status */ /* Does the caller has Lock priviledges; root extends locks, however */ if (LockingType != LockExtend && !(rights & PRSFS_LOCK)) return(EACCES); targetptr->changed_oldTime = 1; /* locking doesn't affect any time stamp */ Time = FT_ApproxTime(); switch (LockingType) { case LockRead: case LockWrite: if (Time > targetptr->disk.lock.lockTime) targetptr->disk.lock.lockTime = targetptr->disk.lock.lockCount = 0; Time += AFS_LOCKWAIT; if (LockingType == LockRead) { if (targetptr->disk.lock.lockCount >= 0) { ++(targetptr->disk.lock.lockCount); targetptr->disk.lock.lockTime = Time; } else return(EAGAIN); } else { if (targetptr->disk.lock.lockCount == 0) { targetptr->disk.lock.lockCount = -1; targetptr->disk.lock.lockTime = Time; } else return(EAGAIN); } break; case LockExtend: Time += AFS_LOCKWAIT; if (targetptr->disk.lock.lockCount != 0) targetptr->disk.lock.lockTime = Time; else return(EINVAL); break; case LockRelease: if ((--targetptr->disk.lock.lockCount) <= 0) targetptr->disk.lock.lockCount = targetptr->disk.lock.lockTime = 0; break; default: targetptr->changed_oldTime = writeVnode; /* restore old status */ ViceLog(0, ("Illegal Locking type %d\n", LockingType)); } return(0); } /*HandleLocking*/ /* * This routine returns the status info associated with the targetptr vnode * in the AFSFetchStatus structure. Some of the newer fields, such as * SegSize and Group are not yet implemented */ void GetStatus(targetptr, status, rights, anyrights, parentptr) Vnode *targetptr; /*vnode of desired Fid*/ AFSFetchStatus *status; /*the status info is returned here*/ afs_int32 rights; /*Sets the 'CallerAccess' status field*/ afs_int32 anyrights; /*Sets the 'AnonymousAccess' status field*/ Vnode *parentptr; /*target's parent vnode*/ { /* initialize return status from a vnode */ status->InterfaceVersion = 1; status->SyncCounter = status->dataVersionHigh = status->spare2 = status->spare3 = status->spare4 = 0; if (targetptr->disk.type == vFile) status->FileType = File; else if (targetptr->disk.type == vDirectory) status->FileType = Directory; else if (targetptr->disk.type == vSymlink) status->FileType = SymbolicLink; else status->FileType = Invalid; /*invalid type field */ status->LinkCount = targetptr->disk.linkCount; status->Length = targetptr->disk.length; status->DataVersion = targetptr->disk.dataVersion; status->Author = targetptr->disk.author; status->Owner = targetptr->disk.owner; status->CallerAccess = rights; status->AnonymousAccess = anyrights; status->UnixModeBits = targetptr->disk.modeBits; status->ClientModTime = targetptr->disk.unixModifyTime; /* This might need rework */ status->ParentVnode = (status->FileType == Directory ? targetptr->vnodeNumber : parentptr->vnodeNumber); status->ParentUnique = (status->FileType == Directory ? targetptr->disk.uniquifier : parentptr->disk.uniquifier); status->SegSize = 0; status->ServerModTime = targetptr->disk.serverModifyTime; status->Group = targetptr->disk.group; status->spare2 = targetptr->disk.lock.lockCount; } /*GetStatus*/ /* * Compare the directory's ACL with the user's access rights in the client * connection and return the user's and everybody else's access permissions * in rights and anyrights, respectively */ GetRights (client, ACL, rights, anyrights) struct client *client; /* Client struct */ struct acl_accessList *ACL; /* Access List for the current directory */ afs_int32 *rights; /* Returns access rights for caller */ afs_int32 *anyrights; /* Returns access rights for 'anyuser' */ { extern prlist SystemAnyUserCPS; afs_int32 hrights = 0; int code; if (acl_CheckRights(ACL, &SystemAnyUserCPS, anyrights) != 0) { ViceLog(0,("CheckRights failed\n")); *anyrights = 0; } *rights = 0; acl_CheckRights(ACL, &client->CPS, rights); /* wait if somebody else is already doing the getCPS call */ H_LOCK while ( client->host->hostFlags & HPCS_INPROGRESS ) { client->host->hostFlags |= HPCS_WAITING; /* I am waiting */ #ifdef AFS_PTHREAD_ENV pthread_cond_wait(&client->host->cond, &host_glock_mutex); #else /* AFS_PTHREAD_ENV */ if ((code=LWP_WaitProcess( &(client->host->hostFlags))) !=LWP_SUCCESS) ViceLog(0, ("LWP_WaitProcess returned %d\n", code)); #endif /* AFS_PTHREAD_ENV */ } if (client->host->hcps.prlist_len && !client->host->hcps.prlist_val) { ViceLog(0,("CheckRights: len=%d, for host=0x%x\n", client->host->hcps.prlist_len, client->host->host)); } else acl_CheckRights(ACL, &client->host->hcps, &hrights); H_UNLOCK /* Allow system:admin the rights given with the -implicit option */ if (acl_IsAMember(SystemId, &client->CPS)) *rights |= implicitAdminRights; *rights |= hrights; *anyrights |= hrights; return(0); } /*GetRights*/ /* Checks if caller has the proper AFS and Unix (WRITE) access permission to the target directory; Prfs_Mode refers to the AFS Mode operation while rights contains the caller's access permissions to the directory. */ CheckWriteMode(targetptr, rights, Prfs_Mode) Vnode * targetptr; afs_int32 rights; int Prfs_Mode; { if (!(rights & Prfs_Mode)) return(EACCES); if ((targetptr->disk.type != vDirectory) && (!(targetptr->disk.modeBits & OWNERWRITE))) return(EACCES); return(0); } /* In our current implementation, each successive data store (new file * data version) creates a new inode. This function creates the new * inode, copies the old inode's contents to the new one, remove the old * inode (i.e. decrement inode count -- if it's currently used the delete * will be delayed), and modify some fields (i.e. vnode's * disk.inodeNumber and cloned) */ #define COPYBUFFSIZE 8192 int CopyOnWrite(targetptr, volptr) Vnode *targetptr; Volume *volptr; { Inode ino, nearInode; int rdlen; int wrlen; register int size, length; int ifd, ofd; char *buff; int rc; /* return code */ IHandle_t *newH; /* Use until finished copying, then cp to vnode.*/ FdHandle_t *targFdP; /* Source Inode file handle */ FdHandle_t *newFdP; /* Dest Inode file handle */ if (targetptr->disk.type == vDirectory) DFlush(); /* just in case? */ size = targetptr->disk.length; buff = (char *)malloc(COPYBUFFSIZE); if (buff == NULL) { return EIO; } ino = VN_GET_INO(targetptr); assert(VALID_INO(ino)); targFdP = IH_OPEN(targetptr->handle); if (targFdP == NULL) { rc = errno; ViceLog(0, ("CopyOnWrite failed: Failed to open target vnode %u in volume %u (errno = %d)\n", targetptr->vnodeNumber, V_id(volptr), rc)); free(buff); VTakeOffline (volptr); return rc; } nearInode = VN_GET_INO(targetptr); ino = IH_CREATE(V_linkHandle(volptr), V_device(volptr), VPartitionPath(V_partition(volptr)),nearInode, V_id(volptr), targetptr->vnodeNumber, targetptr->disk.uniquifier, (int)targetptr->disk.dataVersion); if (!VALID_INO(ino)) { ViceLog(0,("CopyOnWrite failed: Partition %s that contains volume %u may be out of free inodes(errno = %d)\n", volptr->partition->name, V_id(volptr), errno)); FDH_CLOSE(targFdP); free(buff); return ENOSPC; } IH_INIT(newH, V_device(volptr), V_id(volptr), ino); newFdP = IH_OPEN(newH); assert(newFdP != NULL); while(size > 0) { if (size > COPYBUFFSIZE) { /* more than a buffer */ length = COPYBUFFSIZE; size -= COPYBUFFSIZE; } else { length = size; size = 0; } rdlen = FDH_READ(targFdP, buff, length); if (rdlen == length) wrlen = FDH_WRITE(newFdP, buff, length); else wrlen = 0; /* Callers of this function are not prepared to recover * from error that put the filesystem in an inconsistent * state. Make sure that we force the volume off-line if * we some error other than ENOSPC - 4.29.99) * * In case we are unable to write the required bytes, and the * error code indicates that the disk is full, we roll-back to * the initial state. */ if((rdlen != length) || (wrlen != length)) if ( (wrlen < 0) && (errno == ENOSPC) ) /* disk full */ { ViceLog(0,("CopyOnWrite failed: Partition %s containing volume %u is full\n", volptr->partition->name, V_id(volptr))); /* remove destination inode which was partially copied till now*/ FDH_REALLYCLOSE(newFdP); IH_RELEASE(newH); FDH_REALLYCLOSE(targFdP); rc = IH_DEC(V_linkHandle(volptr), ino, V_parentId(volptr)); if (!rc ) { ViceLog(0,("CopyOnWrite failed: volume %u in partition %s needs salvage\n", V_id(volptr), volptr->partition->name)); VTakeOffline (volptr); } free(buff); return ENOSPC; } else { ViceLog(0,("CopyOnWrite failed: volume %u in partition %s needs salvage\n", V_id(volptr), volptr->partition->name)); /* Decrement this inode so salvager doesn't find it. */ FDH_REALLYCLOSE(newFdP); IH_RELEASE(newH); FDH_REALLYCLOSE(targFdP); rc = IH_DEC(V_linkHandle(volptr), ino, V_parentId(volptr)); free(buff); VTakeOffline (volptr); return EIO; } #ifndef AFS_PTHREAD_ENV IOMGR_Poll(); #endif /* !AFS_PTHREAD_ENV */ } FDH_REALLYCLOSE(targFdP); rc = IH_DEC(V_linkHandle(volptr), VN_GET_INO(targetptr), V_parentId(volptr)) ; assert(!rc); IH_RELEASE(targetptr->handle); rc = FDH_SYNC(newFdP); assert(rc == 0); FDH_CLOSE(newFdP); targetptr->handle = newH; VN_SET_INO(targetptr, ino); targetptr->disk.cloned = 0; /* Internal change to vnode, no user level change to volume - def 5445 */ targetptr->changed_oldTime = 1; free(buff); return 0; /* success */ } /*CopyOnWrite*/ /* * VanillaUser returns 1 (true) if the user is a vanilla user (i.e., not * a System:Administrator) */ VanillaUser(client) struct client *client; { if (acl_IsAMember(SystemId, &client->CPS)) return(0); /* not a system administrator, then you're "vanilla" */ return(1); } /*VanillaUser*/ /* * Adjusts (Subtract) "length" number of blocks from the volume's disk * allocation; if some error occured (exceeded volume quota or partition * was full, or whatever), it frees the space back and returns the code. * We usually pre-adjust the volume space to make sure that there's * enough space before consuming some. */ AdjustDiskUsage(volptr, length, checkLength) Volume * volptr; afs_int32 checkLength; afs_int32 length; { int rc; int nc; VAdjustDiskUsage(&rc, volptr, length, checkLength); if (rc) { VAdjustDiskUsage(&nc, volptr, -length, 0); if (rc == VOVERQUOTA) { ViceLog(2,("Volume %u (%s) is full\n", V_id(volptr), V_name(volptr))); return(rc); } if (rc == VDISKFULL) { ViceLog(0,("Partition %s that contains volume %u is full\n", volptr->partition->name, V_id(volptr))); return(rc); } ViceLog(0,("Got error return %d from VAdjustDiskUsage\n",rc)); return(rc); } return(0); } /*AdjustDiskUsage*/ /* * If some flags (i.e. min or max quota) are set, the volume's in disk * label is updated; Name, OfflineMsg, and Motd are also reflected in the * update, if applicable. */ RXUpdate_VolumeStatus(volptr, StoreVolStatus, Name, OfflineMsg, Motd) Volume *volptr; AFSStoreVolumeStatus* StoreVolStatus; char *Name; char *OfflineMsg; char *Motd; { Error errorCode = 0; if (StoreVolStatus->Mask & AFS_SETMINQUOTA) V_minquota(volptr) = StoreVolStatus->MinQuota; if (StoreVolStatus->Mask & AFS_SETMAXQUOTA) V_maxquota(volptr) = StoreVolStatus->MaxQuota; if (strlen(OfflineMsg) > 0) { strcpy(V_offlineMessage(volptr), OfflineMsg); } if (strlen(Name) > 0) { strcpy(V_name(volptr), Name); } #if TRANSARC_VOL_STATS /* * We don't overwrite the motd field, since it's now being used * for stats */ #else if (strlen(Motd) > 0) { strcpy(V_motd(volptr), Motd); } #endif /* FS_STATS_DETAILED */ VUpdateVolume(&errorCode, volptr); return(errorCode); } /*RXUpdate_VolumeStatus*/ /* old interface */ Update_VolumeStatus(volptr, StoreVolStatus, Name, OfflineMsg, Motd) Volume *volptr; VolumeStatus *StoreVolStatus; struct BBS *Name; struct BBS *OfflineMsg; struct BBS *Motd; { Error errorCode = 0; if (StoreVolStatus->MinQuota > -1) V_minquota(volptr) = StoreVolStatus->MinQuota; if (StoreVolStatus->MaxQuota > -1) V_maxquota(volptr) = StoreVolStatus->MaxQuota; if (OfflineMsg->SeqLen > 1) strcpy(V_offlineMessage(volptr), OfflineMsg->SeqBody); if (Name->SeqLen > 1) strcpy(V_name(volptr), Name->SeqBody); #if TRANSARC_VOL_STATS /* * We don't overwrite the motd field, since it's now being used * for stats */ #else if (Motd->SeqLen > 1) strcpy(V_motd(volptr), Motd->SeqBody); #endif /* FS_STATS_DETAILED */ VUpdateVolume(&errorCode, volptr); return(errorCode); } /*Update_VolumeStatus*/ /* * Get internal volume-related statistics from the Volume disk label * structure and put it into the VolumeStatus structure, status; it's * used by both SAFS_GetVolumeStatus and SAFS_SetVolumeStatus to return * the volume status to the caller. */ GetVolumeStatus(status, name, offMsg, motd, volptr) VolumeStatus * status; struct BBS * name; struct BBS * offMsg; struct BBS * motd; Volume * volptr; { status->Vid = V_id(volptr); status->ParentId = V_parentId(volptr); status->Online = V_inUse(volptr); status->InService = V_inService(volptr); status->Blessed = V_blessed(volptr); status->NeedsSalvage = V_needsSalvaged(volptr); if (VolumeWriteable(volptr)) status->Type = ReadWrite; else status->Type = ReadOnly; status->MinQuota = V_minquota(volptr); status->MaxQuota = V_maxquota(volptr); status->BlocksInUse = V_diskused(volptr); status->PartBlocksAvail = volptr->partition->free; status->PartMaxBlocks = volptr->partition->totalUsable; strncpy(name->SeqBody, V_name(volptr), (int)name->MaxSeqLen); name->SeqLen = strlen(V_name(volptr)) + 1; if (name->SeqLen > name->MaxSeqLen) name->SeqLen = name -> MaxSeqLen; strncpy(offMsg->SeqBody, V_offlineMessage(volptr), (int)name->MaxSeqLen); offMsg->SeqLen = strlen(V_offlineMessage(volptr)) + 1; if (offMsg->SeqLen > offMsg->MaxSeqLen) offMsg->SeqLen = offMsg -> MaxSeqLen; #ifdef notdef /*Don't do anything with the motd field*/ strncpy(motd->SeqBody, nullString, (int)offMsg->MaxSeqLen); motd->SeqLen = strlen(nullString) + 1; #endif if (motd->SeqLen > motd->MaxSeqLen) motd->SeqLen = motd -> MaxSeqLen; } /*GetVolumeStatus*/ RXGetVolumeStatus(status, name, offMsg, motd, volptr) AFSFetchVolumeStatus *status; char **name; char **offMsg; char **motd; Volume *volptr; { int temp; status->Vid = V_id(volptr); status->ParentId = V_parentId(volptr); status->Online = V_inUse(volptr); status->InService = V_inService(volptr); status->Blessed = V_blessed(volptr); status->NeedsSalvage = V_needsSalvaged(volptr); if (VolumeWriteable(volptr)) status->Type = ReadWrite; else status->Type = ReadOnly; status->MinQuota = V_minquota(volptr); status->MaxQuota = V_maxquota(volptr); status->BlocksInUse = V_diskused(volptr); status->PartBlocksAvail = volptr->partition->free; status->PartMaxBlocks = volptr->partition->totalUsable; /* now allocate and copy these things; they're freed by the RXGEN stub */ temp = strlen(V_name(volptr)) + 1; *name = malloc(temp); strcpy(*name, V_name(volptr)); temp = strlen(V_offlineMessage(volptr)) + 1; *offMsg = malloc(temp); strcpy(*offMsg, V_offlineMessage(volptr)); #if TRANSARC_VOL_STATS *motd = malloc(1); strcpy(*motd, nullString); #else temp = strlen(V_motd(volptr)) + 1; *motd = malloc(temp); strcpy(*motd, V_motd(volptr)); #endif /* FS_STATS_DETAILED */ } /*RXGetVolumeStatus*/ /* Set AFS Data Fetch/Store related statistics. */ void SetAFSStats(stats) struct AFSStatistics *stats; { extern afs_int32 StartTime, CurrentConnections; int seconds; FS_LOCK stats->CurrentMsgNumber = 0; stats->OldestMsgNumber = 0; stats->StartTime = StartTime; stats->CurrentConnections = CurrentConnections; stats->TotalAFSCalls = AFSCallStats.TotalCalls; stats->TotalFetchs = AFSCallStats.FetchData+AFSCallStats.FetchACL+AFSCallStats.FetchStatus; stats->FetchDatas = AFSCallStats.FetchData; stats->FetchedBytes = AFSCallStats.TotalFetchedBytes; seconds = AFSCallStats.AccumFetchTime/1000; if (seconds <= 0) seconds = 1; stats->FetchDataRate = AFSCallStats.TotalFetchedBytes/seconds; stats->TotalStores = AFSCallStats.StoreData+AFSCallStats.StoreACL+AFSCallStats.StoreStatus; stats->StoreDatas = AFSCallStats.StoreData; stats->StoredBytes = AFSCallStats.TotalStoredBytes; seconds = AFSCallStats.AccumStoreTime/1000; if (seconds <= 0) seconds = 1; stats->StoreDataRate = AFSCallStats.TotalStoredBytes/seconds; #ifdef AFS_NT40_ENV stats->ProcessSize = -1; /* TODO: */ #else stats->ProcessSize = (afs_int32)((long) sbrk(0) >> 10); #endif FS_UNLOCK h_GetWorkStats((int *)&(stats->WorkStations),(int *)&(stats->ActiveWorkStations), (int *)0, (afs_int32)(FT_ApproxTime())-(15*60)); } /*SetAFSStats*/ /* Get disk related information from all AFS partitions. */ void SetVolumeStats(stats) struct AFSStatistics *stats; { struct DiskPartition * part; int i = 0; for (part = DiskPartitionList; part && i < AFS_MSTATDISKS; part = part->next) { stats->Disks[i].TotalBlocks = part->totalUsable; stats->Disks[i].BlocksAvailable = part->free; bzero(stats->Disks[i].Name, AFS_DISKNAMESIZE); strncpy(stats->Disks[i].Name, part->name, AFS_DISKNAMESIZE); i++; } while (i < AFS_MSTATDISKS) { stats->Disks[i].TotalBlocks = -1; i++; } } /*SetVolumeStats*/ #ifdef notdef struct nlist RawStats[] = { #define CPTIME 0 { "_cp_time" }, #define BOOT 1 { "_boottime" }, #define DISK 2 { "_dk_xfer" }, #ifndef AFS_SUN_ENV #define SWAPMAP 3 { "_swapmap" }, #define NSWAPMAP 4 { "_nswapmap" }, #define NSWAPBLKS 5 { "_nswap" }, #define DMMAX 6 { "_dmmax" }, #else /* AFS_SUN_ENV */ #define SANON 3 { "_anoninfo" }, #endif { "" }, }; #endif /* Get some kernel specific related statistics */ void SetSystemStats(stats) struct AFSStatistics * stats; { /* Fix this sometime soon.. */ #ifdef notdef static int kmem = 0; static struct mapent *swapMap = 0; static int swapMapAddr = 0; static int swapMapSize = 0; static int numSwapBlks = 0; int numSwapEntries, dmmax; register int i; struct mapent * sp; afs_int32 busy[CPUSTATES]; afs_int32 xfer[DK_NDRIVE]; struct timeval bootTime; #endif struct timeval time; /* this works on all system types */ TM_GetTimeOfDay(&time, 0); stats->CurrentTime = time.tv_sec; #ifdef notdef stats->UserCPU =stats->SystemCPU =stats->NiceCPU =stats->IdleCPU =stats->BootTime =0; stats->TotalIO =stats->ActiveVM =stats->TotalVM = 0; for (i=0; i < AFS_MSTATSPARES; i++) stats->Spares[i] = 0; if (kmem == -1) return; if (kmem == 0) { nlist("/vmunix", RawStats); if (RawStats[0].n_type == 0) { ViceLog(0, ("Could not get a namelist from VMUNIX\n")); kmem = -1; return; } kmem = open("/dev/kmem",O_RDONLY,0); if (kmem <= 0) { ViceLog(0, ("Could not open /dev/kmem\n")); kmem = -1; return; } } lseek(kmem, (afs_int32) RawStats[CPTIME].n_value,0); read(kmem, (char *)busy, sizeof(busy)); stats->SystemCPU = busy[CP_SYS]; stats->UserCPU = busy[CP_USER]; stats->NiceCPU = busy[CP_NICE]; stats->IdleCPU = busy[CP_IDLE]; lseek(kmem, (afs_int32) RawStats[BOOT].n_value,0); read(kmem, (char *)&bootTime, sizeof(bootTime)); stats->BootTime = bootTime.tv_sec; lseek(kmem, (afs_int32) RawStats[DISK].n_value,0); read(kmem, (char *)xfer, sizeof(xfer)); stats->TotalIO = 0; for(i = 0; i < DK_NDRIVE; i++) { stats->TotalIO += xfer[i]; } #ifdef AFS_SUN_ENV { #include struct anoninfo ai; #define ctok(x) ((ctob(x)) >> 10) lseek(kmem, (afs_int32)RawStats[SANON].n_value,0); read(kmem, (char *)&ai, sizeof (struct anoninfo)); stats->TotalVM = ctok(ai.ani_max - ai.ani_resv); /* available */ stats->ActiveVM = ctok(ai.ani_resv); /* used */ } #else if (!swapMap) { lseek(kmem, (afs_int32)RawStats[SWAPMAP].n_value,0); read(kmem, (char *)&swapMapAddr, sizeof(swapMapAddr)); swapMapAddr += sizeof(struct map); lseek(kmem, (afs_int32)RawStats[NSWAPMAP].n_value,0); read(kmem, (char *)&numSwapEntries, sizeof(numSwapEntries)); swapMapSize = (--numSwapEntries)*sizeof(struct mapent); lseek(kmem, (afs_int32)RawStats[NSWAPBLKS].n_value,0); read(kmem, (char *)&numSwapBlks, sizeof(numSwapBlks)); lseek(kmem, (afs_int32)RawStats[DMMAX].n_value,0); read(kmem, (char *)&dmmax, sizeof(dmmax)); numSwapBlks -= dmmax/2; swapMap = (struct mapent *)malloc(swapMapSize); } sp = (struct mapent *)swapMap; lseek(kmem, (afs_int32)swapMapAddr, 0); read(kmem, (char *)sp, swapMapSize); for(stats->TotalVM = stats->ActiveVM = numSwapBlks; sp->m_size; sp++) { stats->ActiveVM -= sp->m_size; } #endif /* AFS_SUN_ENV */ #endif } /*SetSystemStats*/ /* Validate target file */ FileNameOK(aname) register char *aname; { register afs_int32 i, tc; i = strlen(aname); if (i >= 4) { /* watch for @sys on the right */ if (strcmp(aname+i-4, "@sys") == 0) return 0; } while (tc = *aname++) { if (tc == '/') return 0; /* very bad character to encounter */ } return 1; /* file name is ok */ } /*FileNameOK*/ /* Debugging tool to print Volume Statu's contents */ PrintVolumeStatus(status) VolumeStatus *status; { ViceLog(5,("Volume header contains:\n")); ViceLog(5,("Vid = %u, Parent = %u, Online = %d, InService = %d, Blessed = %d, NeedsSalvage = %d\n", status->Vid, status->ParentId, status->Online, status->InService, status->Blessed, status->NeedsSalvage)); ViceLog(5,("MinQuota = %d, MaxQuota = %d\n", status->MinQuota, status->MaxQuota)); ViceLog(5,("Type = %d, BlocksInUse = %d, PartBlocksAvail = %d, PartMaxBlocks = %d\n", status->Type, status->BlocksInUse, status->PartBlocksAvail, status->PartMaxBlocks)); } /*PrintVolumeStatus*/ /* * This variant of symlink is expressly to support the AFS/DFS translator * and is not supported by the AFS fileserver. We just return EINVAL. * The cache manager should not generate this call to an AFS cache manager. */ SRXAFS_DFSSymlink (tcon, DirFid, Name, LinkContents, InStatus, OutFid, OutFidStatus, OutDirStatus, CallBack, Sync) struct rx_connection *tcon; /* Rx connection handle */ struct AFSFid *DirFid; /* Parent dir's fid */ char *Name; /* File name to create */ char *LinkContents; /* Contents of the new created file */ struct AFSStoreStatus *InStatus; /* Input status for the new symbolic link */ struct AFSFid *OutFid; /* Fid for newly created symbolic link */ struct AFSFetchStatus *OutFidStatus; /* Output status for new symbolic link */ struct AFSFetchStatus *OutDirStatus; /* Output status for parent dir */ struct AFSCallBack *CallBack; /* Callback on link */ struct AFSVolSync *Sync; { return EINVAL; }