/* * $Id: attach.h,v 1.17 93/06/30 16:52:17 vrt Exp $ * * Copyright (c) 1988,1991 by the Massachusetts Institute of Technology. * * For redistribution rights, see "mit-copyright.h" */ #include "config.h" #include #include #include #ifdef _AIX #undef geterrno #endif #include #include #include #include #include #include #include #include #ifdef NFS #include #ifndef i386 #include #else #include #endif #ifdef NeXT #include /* Newer versions of NFS (?) */ #endif /* NeXT */ #include #ifdef _AUX_SOURCE #include #endif #ifdef SOLARIS #include #include #endif #endif /* NFS */ #ifdef ultrix #include #ifdef NFS #include #endif /* NFS */ #define KERNEL /* AACK! this @#OU@#)($(#) file defines and initializes an array which loses on multiple includes, but it's surrounded by #ifdef KERNEL. */ #include #undef KERNEL #endif /* ultrix */ #include #ifdef _AIX #include #define M_RDONLY MNT_READONLY #endif #if defined(_AUX_SOURCE) || defined(NeXT) || defined(_AIX) #define vfork fork #endif /* * If MOUNT_CMD or UMOUNT_CMD are defined, it will run the program * specified rather than trying to use in-line code. */ #if defined(_IBMR2) #define MOUNT_CMD "/etc/mount" #endif #if defined(SOLARIS) #define MOUNT_CMD "/etc/fs/nfs/mount" #define UMOUNT_CMD "/usr/sbin/umount" #endif #define MAXOWNERS 64 #define MAXHOSTS 64 /* * We don't really want to deal with malloc'ing and free'ing stuff * in this structure... */ struct _attachtab { struct _attachtab *next, *prev; char version[3]; char explicit; char status; char mode; struct _fstypes *fs; struct in_addr hostaddr[MAXHOSTS]; int rmdir; int drivenum; int flags; int nowners; uid_t owners[MAXOWNERS]; char hesiodname[BUFSIZ]; char host[BUFSIZ]; char hostdir[MAXPATHLEN]; char mntpt[MAXPATHLEN]; }; /* * Attach flags defines * * FLAG_NOSETUID --- this filesystem was mounted nosetuid (no meaning * for afs filesystems) * FLAG_LOCKED --- this filesystem is passed over by detach -a, and * you must be the owner of the filesystem to detach it. * FLAG_ANYONE --- anyone can detach this filesystem (not yet implemented) * FLAG_PERMANENT --- when this filesytem is detached, don't do * actually unmount it; just deauthenticate, if necessary. attach * sets this flag if it finds the filesystem already mounted but * not in attachtab. */ #define FLAG_NOSETUID 1 #define FLAG_LOCKED 2 #define FLAG_ANYONE 4 #define FLAG_PERMANENT 8 #define ATTACH_VERSION "A1" #define ATTACHTABMODE 644 #define STATUS_ATTACHED '+' #define STATUS_ATTACHING '*' #define STATUS_DETACHING '-' #define TYPE_NFS 001 #define TYPE_RVD 002 #define TYPE_UFS 004 #define TYPE_ERR 010 #define TYPE_AFS 020 #define TYPE_MUL 040 #define ALL_TYPES 067 /* * Attach configuration defines */ #define MAXFILTAB 100 #define MAXTRUIDTAB 100 /* * Type table */ struct _fstypes { char *name; int type; int mount_type; int flags; char *good_flags; int (*attach)(); int (*detach)(); char ** (*explicit)(); int (*flush)(); }; /* * Flags for _fstypes.flags */ #define AT_FS_MNTPT 1 #define AT_FS_REMOTE 2 #define AT_FS_PARENTMNTPT 4 #define AT_FS_MNTPT_CANON 8 extern struct _fstypes fstypes[]; /* * Mount options */ #ifndef M_RDONLY #define M_RDONLY 0x01 /* mount fs read-only */ #endif #ifndef M_NOSUID #define M_NOSUID 0x02 /* mount fs without setuid perms */ #endif /* * Mount option table */ struct mntopts { int type; /* File system type */ int flags; /* Mount flags */ #ifdef NFS int nfs_port; /* Valid only for NFS, port for rpc.mountd */ #endif union tsa { #ifdef UFS struct ufs_args ufs; #endif #ifdef NFS struct nfs_args nfs; #endif } tsa; }; /* * Command option lists */ struct command_list { char *large; char *small; }; /* * RVD defines */ #define RVD_ATTACH_TIMEOUT 30 /* * RPC caching */ #define RPC_MAXCACHE 10 struct cache_ent { struct in_addr addr; CLIENT *handle; struct sockaddr_in sin; int fd; int error; }; /* * Calls to RPC.MOUNTD */ #ifndef MOUNTPROC_KUIDMAP #define MOUNTPROC_KUIDMAP 7 #define MOUNTPROC_KUIDUMAP 8 #define MOUNTPROC_KUIDPURGE 9 #define MOUNTPROC_KUIDUPURGE 10 #endif /* * Command names */ #define ATTACH_CMD "attach" #define DETACH_CMD "detach" #define NFSID_CMD "nfsid" #define FSID_CMD "fsid" #ifdef ZEPHYR #define ZINIT_CMD "zinit" #endif /* ZEPHYR */ /* * Generic defines */ #define SUCCESS 0 #define FAILURE 1 /* * Error status defininitions */ #define ERR_NONE 0 /* No error */ #define ERR_BADARGS 1 /* Bad arguments */ #define ERR_SOMETHING 2 /* Something wrong - > 1 args */ #define ERR_FATAL 3 /* Internal failure */ #define ERR_INTERRUPT 4 /* Program externally aborted */ #define ERR_BADCONF 5 /* Bad configuration file */ #define ERR_BADFSDSC 6 /* Bad filesystem description */ #define ERR_BADFSFLAG 7 /* Bad filsys flag */ #define ERR_KERBEROS 10 /* Kerberos failure */ #define ERR_HOST 11 /* General host communication failure */ #define ERR_AUTHFAIL 12 /* Authentication failure */ #define ERR_NOPORTS 13 /* Out of reserved ports */ #define ERR_NFSIDNOTATTACHED 20 /* Filesystem with -f not attached */ #define ERR_NFSIDBADHOST 21 /* Can't resolve hostname */ #define ERR_NFSIDPERM 22 /* unauthorized nfsid -p */ #define ERR_ATTACHBADFILSYS 20 /* Bad filesystem name */ #define ERR_ATTACHINUSE 21 /* Filesystem in use by another proc */ #define ERR_ATTACHNEEDPW 22 /* RVD spinup needs a password */ #define ERR_ATTACHFSCK 23 /* FSCK returned error on RVD */ #define ERR_ATTACHNOTALLOWED 24 /* User not allowed to do operation */ #define ERR_ATTACHBADMNTPT 25 /* User not allowed to mount a */ /* filesystem here */ #define ERR_ATTACHNOFILSYS 26 /* The remote filesystem doesn't exist */ #define ERR_ATTACHDIRINUSE 27 /* Some other filesystem is using the */ /* mountpoint directory */ #define ERR_DETACHNOTATTACHED 20 /* Filesystem not attached */ #define ERR_DETACHINUSE 21 /* Filesystem in use by another proc */ #define ERR_DETACHNOTALLOWED 22 /* User not allowed to do operations */ #define ERR_ZINITZLOSING 20 /* Random zephyr lossage */ /* * Zephyr definitions */ #ifdef ZEPHYR #define ZEPHYR_CLASS "filsrv" #define ZEPHYR_MAXSUBS 100 /* 50 filesystems... */ #define ZEPHYR_TIMEOUT 60 /* 1 minute timeout */ #endif /* ZEPHYR */ /* AFS */ #ifdef AFS #ifdef __STDC__ extern int afs_auth(const char *, const char *), afs_auth_to_cell(const char *); extern int afs_zinit(const char *, const char *); #else extern int afs_auth(), afs_auth_to_cell(); #endif #endif /* * Externals */ extern char *errstr(); /* convert errno to string */ AUTH *spoofunix_create_default(); CLIENT *rpc_create(); extern char *strdup(), *strtok(); extern int errno; extern unsigned long rvderrno; extern char *sys_errlist[]; extern char **build_hesiod_line(), **conf_filsys_resolve(); extern struct _fstypes *get_fs(); extern char *filsys_options(); extern char *stropt(), *struid(), *path_canon(); extern struct _attachtab *attachtab_lookup(), *attachtab_lookup_mntpt(); extern int verbose, debug_flag, map_anyway, do_nfsid, print_path, explicit; extern int owner_check, owner_list, override, keep_mount; extern int error_status, force, lock_filesystem, lookup, euid, clean_detach; extern int exp_mntpt, exp_allow; #ifdef ZEPHYR extern int use_zephyr; #endif /* ZEPHYR */ extern char override_mode, *mount_options, *filsys_type; extern char *mntpt; extern int override_suid, default_suid, skip_fsck, nfs_root_hack; extern char *spoofhost, *attachtab_fn, *mtab_fn, *nfs_mount_dir; #ifdef AFS extern char *aklog_fn, *afs_mount_dir; #endif extern char *fsck_fn; extern char *ownerlist(); extern void add_an_owner(); extern int is_an_owner(), real_uid, effective_uid, owner_uid; extern char internal_getopt(); extern void mark_in_use(), add_options(), check_root_privs(); extern char exp_hesline[BUFSIZ]; /* Place to store explicit */ extern char *exp_hesptr[2]; /* ``hesiod'' entry */ extern char *abort_msg; /* High C 2.1 can optimize small bcopys such as are used to copy 4 byte IP addrs */ #ifdef __HIGHC__ #define bcopy(src, dest, cnt) memcpy(dest, src, cnt) extern char *memcpy(); #endif #ifdef __STDC__ #ifdef NFS extern int nfsid(const char *, struct in_addr, int, int, const char *, int, int); extern AUTH *spoofunix_create_default(char *, int); #endif extern int attach(const char *), detach(const char *); extern void detach_all(void), detach_host(const char *); extern int read_config_file(const char *); extern int parse_username(const char *); extern int trusted_user(int); extern void lock_attachtab(void), unlock_attachtab(void); extern void lint_attachtab(void), get_attachtab(void), free_attachtab(void); #ifdef ZEPHYR extern int zephyr_sub(int), zephyr_unsub(int); extern void zephyr_addsub(const char *); #endif #else #ifdef NFS extern int nfsid(); extern AUTH *spoofunix_create_default(); #endif extern int attach(), detach(); extern void detach_all(), detach_host(); extern int read_config_file(), parse_username(), trusted_user(); extern void lock_attachtab(), unlock_attachtab(); extern void get_attachtab(), free_attachtab(); #ifdef ZEPHYR extern int zephyr_sub(), zephyr_unsub(); extern void zephyr_addsub(); #endif #endif extern char *progname; /* * Instead of ifdef-ing all const declarations, make one global definition. * The AIX PS/2 compiler understands "const", but does not define __STDC__. */ #if !defined(__STDC__) && !(defined(AIX) && defined(i386)) #define const #endif