/* * dsock.c - RISCos socket processing functions for lsof */ /* * Copyright 1994 Purdue Research Foundation, West Lafayette, Indiana * 47907. All rights reserved. * * Written by Victor A. Abell * * This software is not subject to any license of the American Telephone * and Telegraph Company or the Regents of the University of California. * * Permission is granted to anyone to use this software for any purpose on * any computer system, and to alter it and redistribute it freely, subject * to the following restrictions: * * 1. Neither the authors nor Purdue University are responsible for any * consequences of the use of this software. * * 2. The origin of this software must not be misrepresented, either by * explicit claim or by omission. Credit to the authors and Purdue * University must appear in documentation and sources. * * 3. Altered versions must be plainly marked as such, and must not be * misrepresented as being the original software. * * 4. This notice may not be removed or altered. */ #ifndef lint static char copyright[] = "@(#) Copyright 1994 Purdue Research Foundation.\nAll rights reserved.\n"; static char *rcsid = "$Id: dsock.c,v 1.3 96/01/11 12:55:17 abe Exp $"; #endif #include "lsof.h" /* * process_socket() - process socket */ void process_socket(sa) caddr_t sa; /* socket address in kernel */ { struct domain d; char dev_ch[32]; int fam; struct inpcb inp; struct mbuf mb; struct protosw p; struct rawcb raw; struct socket s; struct unpcb uc, unp; struct sockaddr_un *ua = NULL; struct sockaddr_un un; (void) strcpy(Lf->type, "sock"); Lf->inp_ty = 2; /* * Read socket structure. */ if (sa == NULL) { enter_nm("no socket address"); return; } if (kread((KA_T) sa, (char *) &s, sizeof(s))) { (void) sprintf(Namech, "can't read socket struct from %#x", sa); enter_nm(Namech); return; } if ( ! s.so_type) { enter_nm("no socket type"); return; } /* * Read protocol switch and domain structure. */ if (s.so_proto == NULL || kread((KA_T) s.so_proto, (char *) &p, sizeof(p))) { (void) strcpy(Namech, "no protocol switch"); enter_nm(Namech); return; } if (kread((KA_T) p.pr_domain, (char *) &d, sizeof(d))) { (void) sprintf(Namech, "can't read domain struct from %#x", p.pr_domain); enter_nm(Namech); return; } /* * Set size, based on access type. */ if (Fsize) { if (Lf->access == 'r') Lf->sz = (unsigned long)s.so_rcv.sb_cc; else if (Lf->access == 'w') Lf->sz = (unsigned long)s.so_snd.sb_cc; else Lf->sz = (unsigned long)s.so_rcv.sb_cc + s.so_snd.sb_cc; Lf->sz_def = 1; } else Lf->off_def = 1; /* * Process socket by the associated domain family. */ switch ((fam = d.dom_family)) { /* * Process an Internet domain socket. */ case AF_INET: if (Fnet) Lf->sf |= SELNET; (void) strcpy(Lf->type, "inet"); printiproto(p.pr_protocol); /* * Read protocol control block. */ if (s.so_pcb == NULL) { enter_nm("no protocol control block"); return; } if (s.so_type == SOCK_RAW) { /* * Print raw socket information. */ if (kread((KA_T) s.so_pcb, (char *)&raw, sizeof(raw)) || (struct socket *)sa != raw.rcb_socket) { (void) sprintf(Namech, "can't read rawcb at %#x", s.so_pcb); enter_nm(Namech); return; } (void) sprintf(dev_ch, "0x%08x", s.so_pcb); enter_dev_ch(dev_ch); if (raw.rcb_laddr.sa_family == AF_INET) printinaddr((struct in_addr *)&raw.rcb_laddr.sa_data[2], -1); else if (raw.rcb_laddr.sa_family) printrawaddr(&raw.rcb_laddr); if (raw.rcb_faddr.sa_family == AF_INET) { (void) strcat(endnm(), "->"); printinaddr((struct in_addr *)&raw.rcb_faddr.sa_data[2], -1); } else if (raw.rcb_faddr.sa_family) { (void) strcat(endnm(), "->"); printrawaddr(&raw.rcb_faddr); } } else { /* * Print Internet socket information. */ if (kread((KA_T) s.so_pcb, (char *) &inp, sizeof(inp)) || (struct socket *)sa != inp.inp_socket) { (void) sprintf(Namech, "can't read inpcb at %#x", s.so_pcb); enter_nm(Namech); return; } (void) sprintf(dev_ch, "0x%08x", (inp.inp_ppcb == NULL) ? s.so_pcb : inp.inp_ppcb); enter_dev_ch(dev_ch); printinaddr(&inp.inp_laddr, (int)ntohs(inp.inp_lport)); if (inp.inp_faddr.s_addr != INADDR_ANY || inp.inp_fport != 0) { (void) strcat(endnm(), "->"); printinaddr(&inp.inp_faddr, (int)ntohs(inp.inp_fport)); } } break; /* * Process a Unix domain socket. */ case AF_UNIX: if (Funix) Lf->sf |= SELUNX; (void) strcpy(Lf->type, "unix"); /* * Read Unix protocol control block and the Unix address structure. */ (void) sprintf(dev_ch, "0x%08x", sa); enter_dev_ch(dev_ch); if (kread((KA_T) s.so_pcb, (char *) &unp, sizeof(unp))) { (void) sprintf(Namech, "can't read unpcb at %#x", s.so_pcb); break; } if ((struct socket *)sa != unp.unp_socket) { (void) sprintf(Namech, "unp_socket (%#x) mismatch", unp.unp_socket); break; } if (unp.unp_addr) { if (kread((KA_T) unp.unp_addr, (char *) &mb, sizeof(mb))) { (void) sprintf(Namech, "can't read unp_addr at %#x", unp.unp_addr); break; } ua = (struct sockaddr_un *)(((char *)&mb) + mb.m_off); } if (ua == NULL) { ua = &un; (void) bzero((char *)ua, sizeof(un)); ua->sun_family = AF_UNSPEC; } /* * Print information on Unix socket that has no address bound * to it, although it may be connected to another Unix domain * socket as a pipe. */ if (ua->sun_family != AF_UNIX) { if (ua->sun_family == AF_UNSPEC) { if (unp.unp_conn) { if (kread((KA_T) unp.unp_conn, (char *) &uc, sizeof(uc))) { (void) sprintf(Namech, "can't read unp_conn at %#x", unp.unp_conn); } else { (void) sprintf(Namech, "->0x%08x", uc.unp_socket); } } else { (void) strcpy(Namech, "->(none)"); } } else (void) sprintf(Namech, "unknown sun_family (%d)", ua->sun_family); break; } if (ua->sun_path[0]) { if (mb.m_len >= sizeof(struct sockaddr_un)) mb.m_len = sizeof(struct sockaddr_un) - 1; *((char *)ua + mb.m_len) = '\0'; if (Sfile && is_file_named(ua->sun_path, VSOCK)) Lf->sf |= SELNM; else (void) strcpy(Namech, ua->sun_path); } else (void) strcpy(Namech, "no address"); break; default: printunkaf(fam); } if (Namech[0]) enter_nm(Namech); }