/* $OpenBSD: atalk.c,v 1.16 2007/12/19 01:47:00 deraadt Exp $ */ /* $NetBSD: atalk.c,v 1.2 1997/05/22 17:21:26 christos Exp $ */ /* * Copyright (c) 1983, 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include /* #include */ #include #include #include #include #include #include "netstat.h" struct ddpcb ddpcb; struct socket sockb; static int first = 1; static char *at_pr_net(struct sockaddr_at *, int); static char *at_pr_host(struct sockaddr_at *, int); static char *at_pr_range(struct sockaddr_at *); static char *at_pr_port(struct sockaddr_at *); /* * Print a summary of connections related to a Network Systems * protocol. For XXX, also give state of connection. * Listening processes (aflag) are suppressed unless the * -a (all) flag is specified. */ static char * at_pr_net(struct sockaddr_at *sat, int numeric) { static char mybuf[50]; if (!numeric) { switch (sat->sat_addr.s_net) { case 0xffff: return "????"; case ATADDR_ANYNET: return ("*"); } } (void) snprintf(mybuf, sizeof(mybuf), "%hu", ntohs(sat->sat_addr.s_net)); return mybuf; } static char * at_pr_host(struct sockaddr_at *sat, int numeric) { static char mybuf[50]; if (!numeric) { switch (sat->sat_addr.s_node) { case ATADDR_BCAST: return "bcast"; case ATADDR_ANYNODE: return ("*"); } } (void) snprintf(mybuf, sizeof(mybuf), "%d", (unsigned int) sat->sat_addr.s_node); return mybuf; } static char * at_pr_port(struct sockaddr_at *sat) { static char mybuf[50]; struct servent *serv; switch (sat->sat_port) { case ATADDR_ANYPORT: return ("*"); case 0xff: return "????"; default: if (nflag) (void) snprintf(mybuf, sizeof(mybuf), "%d", (unsigned int) sat->sat_port); else { serv = getservbyport(sat->sat_port, "ddp"); if (serv == NULL) (void) snprintf(mybuf, sizeof(mybuf), "%d", (unsigned int) sat->sat_port); else (void) snprintf(mybuf, sizeof(mybuf), "%s", serv->s_name); } return mybuf; } } static char * at_pr_range(struct sockaddr_at *sat) { static char mybuf[50]; if (sat->sat_range.r_netrange.nr_firstnet != sat->sat_range.r_netrange.nr_lastnet) { (void) snprintf(mybuf, sizeof(mybuf), "%d-%d", ntohs(sat->sat_range.r_netrange.nr_firstnet), ntohs(sat->sat_range.r_netrange.nr_lastnet)); } else { (void) snprintf(mybuf, sizeof(mybuf), "%d", ntohs(sat->sat_range.r_netrange.nr_firstnet)); } return mybuf; } /* what == 0 for addr only == 3 * 1 for net * 2 for host * 4 for port * 8 for numeric only */ char * atalk_print(const struct sockaddr *sa, int what) { struct sockaddr_at *sat = (struct sockaddr_at *) sa; static char mybuf[50]; int numeric = (what & 0x08); mybuf[0] = 0; switch (what & 0x13) { case 0: mybuf[0] = 0; break; case 1: (void) snprintf(mybuf, sizeof(mybuf), "%s", at_pr_net(sat, numeric)); break; case 2: (void) snprintf(mybuf, sizeof(mybuf), "%s", at_pr_host(sat, numeric)); break; case 3: (void) snprintf(mybuf, sizeof(mybuf), "%s.%s", at_pr_net(sat, numeric), at_pr_host(sat, numeric)); break; case 0x10: (void) snprintf(mybuf, sizeof(mybuf), "%s", at_pr_range(sat)); } if (what & 4) { (void) snprintf(mybuf + strlen(mybuf), sizeof(mybuf) - strlen(mybuf), ".%s", at_pr_port(sat)); } return mybuf; } char * atalk_print2(const struct sockaddr *sa, const struct sockaddr *mask, int what) { size_t n, l; static char buf[100]; struct sockaddr_at *sat1, *sat2; struct sockaddr_at thesockaddr; struct sockaddr *sa2; sat1 = (struct sockaddr_at *) sa; sat2 = (struct sockaddr_at *) mask; sa2 = (struct sockaddr *) & thesockaddr; thesockaddr.sat_addr.s_net = sat1->sat_addr.s_net & sat2->sat_addr.s_net; if ((n = snprintf(buf, sizeof(buf), "%s", atalk_print(sa2, 1 | (what & 8)))) >= sizeof(buf)) n = sizeof(buf) - 1; else if (n < 0) n = 0; /* What else can be done ? */ if (sat2->sat_addr.s_net != 0xFFFF) { thesockaddr.sat_addr.s_net = sat1->sat_addr.s_net | ~sat2->sat_addr.s_net; if ((l = snprintf(buf + n, sizeof(buf) - n, "-%s", atalk_print(sa2, 1 | (what & 8)))) >= sizeof(buf) - n) l = sizeof(buf) - n - 1; if (l > 0) n += l; } if (what & 2) { l = snprintf(buf + n, sizeof(buf) - n, ".%s", atalk_print(sa, what & (~1))); if (l >= sizeof(buf) - n) l = sizeof(buf) - n - 1; if (l > 0) n += l; } return (buf); } void atalkprotopr(u_long off, char *name) { struct ddpcb cb; struct ddpcb *prev, *next; struct ddpcb *initial; if (off == 0) return; if (kread(off, &initial, sizeof(struct ddpcb *)) < 0) return; ddpcb = cb; prev = (struct ddpcb *) off; for (next = initial; next != NULL; prev = next) { u_long ppcb = (u_long) next; if (kread((u_long) next, &ddpcb, sizeof(ddpcb)) < 0) return; next = ddpcb.ddp_next; #if 0 if (!aflag && atalk_nullhost(ddpcb.ddp_lsat)) { continue; } #endif if (kread((u_long) ddpcb.ddp_socket, &sockb, sizeof(sockb)) < 0) return; if (first) { printf("Active ATALK connections"); if (aflag) printf(" (including servers)"); putchar('\n'); if (Aflag) printf("%-8.8s ", "PCB"); printf(Aflag ? "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" : "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n", "Proto", "Recv-Q", "Send-Q", "Local Address", "Foreign Address", "(state)"); first = 0; } if (Aflag) printf("%8lx ", ppcb); printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc, sockb.so_snd.sb_cc); printf(Aflag ? " %-18.18s" : " %-22.22s", atalk_print( (struct sockaddr *) & ddpcb.ddp_lsat, 7)); printf(Aflag ? " %-18.18s" : " %-22.22s", atalk_print( (struct sockaddr *) & ddpcb.ddp_fsat, 7)); putchar('\n'); } } #define p(f, m) if (ddpstat.f || sflag <= 1) \ printf(m, ddpstat.f, plural(ddpstat.f)) #define p2(f1, f2, m) if (ddpstat.f1 || ddpstat.f2 || sflag <= 1) \ printf(m, ddpstat.f1, plural(ddpstat.f1), ddpstat.f2, plural(ddpstat.f2)) #define p3(f, m) if (ddpstat.f || sflag <= 1) \ printf(m, ddpstat.f, plurales(ddpstat.f)) /* * Dump DDP statistics structure. */ void ddp_stats(char *name) { struct ddpstat ddpstat; int mib[] = { CTL_NET, AF_APPLETALK, ATPROTO_DDP, DDPCTL_STATS }; size_t len = sizeof(ddpstat); if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), &ddpstat, &len, NULL, 0) == -1) { if (errno != ENOPROTOOPT) warn(name); return; } printf("%s:\n", name); p(ddps_short, "\t%ld packet%s with short headers\n"); p(ddps_long, "\t%ld packet%s with long headers\n"); p(ddps_nosum, "\t%ld packet%s with no checksum\n"); p(ddps_tooshort, "\t%ld packet%s were too short\n"); p(ddps_badsum, "\t%ld packet%s with bad checksum\n"); p(ddps_toosmall, "\t%ld packet%s with not enough data\n"); p(ddps_forward, "\t%ld packet%s forwarded\n"); p(ddps_cantforward, "\t%ld packet%s rcvd for unreachable dest\n"); p(ddps_nosockspace, "\t%ld packet%s dropped due to no socket space\n"); }