Index: head/usr.bin/netstat/main.c =================================================================== --- head/usr.bin/netstat/main.c (revision 186643) +++ head/usr.bin/netstat/main.c (revision 186644) @@ -1,788 +1,788 @@ /*- * Copyright (c) 1983, 1988, 1993 * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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. */ #ifndef lint char const copyright[] = "@(#) Copyright (c) 1983, 1988, 1993\n\ Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #if 0 #ifndef lint static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 3/1/94"; #endif /* not lint */ #endif #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #ifdef NETGRAPH #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include "netstat.h" static struct nlist nl[] = { #define N_IFNET 0 { .n_name = "_ifnet" }, #define N_RTSTAT 1 { .n_name = "_rtstat" }, #define N_RTREE 2 { .n_name = "_rt_tables"}, #define N_MRTSTAT 3 { .n_name = "_mrtstat" }, #define N_MFCTABLE 4 { .n_name = "_mfctable" }, #define N_VIFTABLE 5 { .n_name = "_viftable" }, #define N_IPX 6 { .n_name = "_ipxpcb_list"}, #define N_IPXSTAT 7 { .n_name = "_ipxstat"}, #define N_SPXSTAT 8 { .n_name = "_spx_istat"}, #define N_DDPSTAT 9 { .n_name = "_ddpstat"}, #define N_DDPCB 10 { .n_name = "_ddpcb"}, #define N_NGSOCKS 11 { .n_name = "_ngsocklist"}, #define N_IP6STAT 12 { .n_name = "_ip6stat" }, #define N_ICMP6STAT 13 { .n_name = "_icmp6stat" }, #define N_IPSECSTAT 14 { .n_name = "_ipsec4stat" }, #define N_IPSEC6STAT 15 { .n_name = "_ipsec6stat" }, #define N_PIM6STAT 16 { .n_name = "_pim6stat" }, #define N_MRT6STAT 17 { .n_name = "_mrt6stat" }, #define N_MF6CTABLE 18 { .n_name = "_mf6ctable" }, #define N_MIF6TABLE 19 { .n_name = "_mif6table" }, #define N_PFKEYSTAT 20 { .n_name = "_pfkeystat" }, #define N_MBSTAT 21 { .n_name = "_mbstat" }, #define N_MBTYPES 22 { .n_name = "_mbtypes" }, #define N_NMBCLUSTERS 23 { .n_name = "_nmbclusters" }, #define N_NMBUFS 24 { .n_name = "_nmbufs" }, #define N_MBHI 25 { .n_name = "_mbuf_hiwm" }, #define N_CLHI 26 { .n_name = "_clust_hiwm" }, #define N_NCPUS 27 { .n_name = "_smp_cpus" }, #define N_PAGESZ 28 { .n_name = "_pagesize" }, #define N_MBPSTAT 29 { .n_name = "_mb_statpcpu" }, #define N_RTTRASH 30 { .n_name = "_rttrash" }, #define N_MBLO 31 { .n_name = "_mbuf_lowm" }, #define N_CLLO 32 { .n_name = "_clust_lowm" }, #define N_CARPSTAT 33 { .n_name = "_carpstats" }, #define N_PFSYNCSTAT 34 { .n_name = "_pfsyncstats" }, #define N_AHSTAT 35 { .n_name = "_ahstat" }, #define N_ESPSTAT 36 { .n_name = "_espstat" }, #define N_IPCOMPSTAT 37 { .n_name = "_ipcompstat" }, #define N_TCPSTAT 38 { .n_name = "_tcpstat" }, #define N_UDPSTAT 39 { .n_name = "_udpstat" }, #define N_IPSTAT 40 { .n_name = "_ipstat" }, #define N_ICMPSTAT 41 { .n_name = "_icmpstat" }, #define N_IGMPSTAT 42 { .n_name = "_igmpstat" }, #define N_PIMSTAT 43 { .n_name = "_pimstat" }, #define N_TCBINFO 44 { .n_name = "_tcbinfo" }, #define N_UDBINFO 45 { .n_name = "_udbinfo" }, #define N_DIVCBINFO 46 { .n_name = "_divcbinfo" }, #define N_RIPCBINFO 47 { .n_name = "_ripcbinfo" }, #define N_UNP_COUNT 48 { .n_name = "_unp_count" }, #define N_UNP_GENCNT 49 { .n_name = "_unp_gencnt" }, #define N_UNP_DHEAD 50 { .n_name = "_unp_dhead" }, #define N_UNP_SHEAD 51 { .n_name = "_unp_shead" }, #define N_RIP6STAT 52 { .n_name = "_rip6stat" }, #define N_SCTPSTAT 53 { .n_name = "_sctpstat" }, { .n_name = NULL }, }; struct protox { int pr_index; /* index into nlist of cb head */ int pr_sindex; /* index into nlist of stat block */ u_char pr_wanted; /* 1 if wanted, 0 otherwise */ void (*pr_cblocks)(u_long, const char *, int, int); /* control blocks printing routine */ void (*pr_stats)(u_long, const char *, int, int); /* statistics printing routine */ void (*pr_istats)(char *); /* per/if statistics printing routine */ const char *pr_name; /* well-known name */ int pr_usesysctl; /* non-zero if we use sysctl, not kvm */ int pr_protocol; } protox[] = { { N_TCBINFO, N_TCPSTAT, 1, protopr, tcp_stats, NULL, "tcp", 1, IPPROTO_TCP }, { N_UDBINFO, N_UDPSTAT, 1, protopr, udp_stats, NULL, "udp", 1, IPPROTO_UDP }, #ifdef SCTP { -1, N_SCTPSTAT, 1, sctp_protopr, sctp_stats, NULL, "sctp", 1, IPPROTO_SCTP }, #endif { N_DIVCBINFO, -1, 1, protopr, NULL, NULL, "divert", 1, IPPROTO_DIVERT }, { N_RIPCBINFO, N_IPSTAT, 1, protopr, ip_stats, NULL, "ip", 1, IPPROTO_RAW }, { N_RIPCBINFO, N_ICMPSTAT, 1, protopr, icmp_stats, NULL, "icmp", 1, IPPROTO_ICMP }, { N_RIPCBINFO, N_IGMPSTAT, 1, protopr, igmp_stats, NULL, "igmp", 1, IPPROTO_IGMP }, #ifdef IPSEC { -1, N_IPSECSTAT, 1, NULL, /* keep as compat */ ipsec_stats, NULL, "ipsec", 0, 0}, { -1, N_AHSTAT, 1, NULL, ah_stats, NULL, "ah", 0, 0}, { -1, N_ESPSTAT, 1, NULL, esp_stats, NULL, "esp", 0, 0}, { -1, N_IPCOMPSTAT, 1, NULL, ipcomp_stats, NULL, "ipcomp", 0, 0}, #endif { N_RIPCBINFO, N_PIMSTAT, 1, protopr, pim_stats, NULL, "pim", 1, IPPROTO_PIM }, { -1, N_CARPSTAT, 1, NULL, carp_stats, NULL, "carp", 1, 0 }, { -1, N_PFSYNCSTAT, 1, NULL, pfsync_stats, NULL, "pfsync", 1, 0 }, { -1, -1, 0, NULL, NULL, NULL, NULL, 0, 0 } }; #ifdef INET6 struct protox ip6protox[] = { { N_TCBINFO, N_TCPSTAT, 1, protopr, tcp_stats, NULL, "tcp", 1, IPPROTO_TCP }, { N_UDBINFO, N_UDPSTAT, 1, protopr, udp_stats, NULL, "udp", 1, IPPROTO_UDP }, { N_RIPCBINFO, N_IP6STAT, 1, protopr, ip6_stats, ip6_ifstats, "ip6", 1, IPPROTO_RAW }, { N_RIPCBINFO, N_ICMP6STAT, 1, protopr, icmp6_stats, icmp6_ifstats, "icmp6", 1, IPPROTO_ICMPV6 }, #ifdef IPSEC { -1, N_IPSEC6STAT, 1, NULL, ipsec_stats, NULL, "ipsec6", 0, 0 }, #endif #ifdef notyet { -1, N_PIM6STAT, 1, NULL, pim6_stats, NULL, "pim6", 1, 0 }, #endif { -1, N_RIP6STAT, 1, NULL, rip6_stats, NULL, "rip6", 1, 0 }, { -1, -1, 0, NULL, NULL, NULL, NULL, 0, 0 } }; #endif /*INET6*/ #ifdef IPSEC struct protox pfkeyprotox[] = { { -1, N_PFKEYSTAT, 1, NULL, pfkey_stats, NULL, "pfkey", 0, 0 }, { -1, -1, 0, NULL, NULL, NULL, NULL, 0, 0 } }; #endif struct protox atalkprotox[] = { { N_DDPCB, N_DDPSTAT, 1, atalkprotopr, ddp_stats, NULL, "ddp", 0, 0 }, { -1, -1, 0, NULL, NULL, NULL, NULL, 0, 0 } }; #ifdef NETGRAPH struct protox netgraphprotox[] = { { N_NGSOCKS, -1, 1, netgraphprotopr, NULL, NULL, "ctrl", 0, 0 }, { N_NGSOCKS, -1, 1, netgraphprotopr, NULL, NULL, "data", 0, 0 }, { -1, -1, 0, NULL, NULL, NULL, NULL, 0, 0 } }; #endif #ifdef IPX struct protox ipxprotox[] = { { N_IPX, N_IPXSTAT, 1, ipxprotopr, ipx_stats, NULL, "ipx", 0, 0 }, { N_IPX, N_SPXSTAT, 1, ipxprotopr, spx_stats, NULL, "spx", 0, 0 }, { -1, -1, 0, NULL, NULL, NULL, 0, 0, 0 } }; #endif struct protox *protoprotox[] = { protox, #ifdef INET6 ip6protox, #endif #ifdef IPSEC pfkeyprotox, #endif #ifdef IPX ipxprotox, #endif atalkprotox, NULL }; static void printproto(struct protox *, const char *); static void usage(void); static struct protox *name2protox(const char *); static struct protox *knownname(const char *); static kvm_t *kvmd; static char *nlistf = NULL, *memf = NULL; int Aflag; /* show addresses of protocol control block */ int aflag; /* show all sockets (including servers) */ int Bflag; /* show information about bpf consumers */ int bflag; /* show i/f total bytes in/out */ int dflag; /* show i/f dropped packets */ int gflag; /* show group (multicast) routing or stats */ int hflag; /* show counters in human readable format */ int iflag; /* show interfaces */ int Lflag; /* show size of listen queues */ int mflag; /* show memory stats */ int numeric_addr; /* show addresses numerically */ int numeric_port; /* show ports numerically */ static int pflag; /* show given protocol */ int rflag; /* show routing tables (or routing stats) */ int sflag; /* show protocol statistics */ int tflag; /* show i/f watchdog timers */ int Wflag; /* wide display */ int xflag; /* extra information, includes all socket buffer info */ int zflag; /* zero stats */ int interval; /* repeat interval for i/f stats */ char *interface; /* desired i/f for stats, or NULL for all i/fs */ int unit; /* unit number for above */ int af; /* address family */ int live; /* true if we are examining a live system */ int main(int argc, char *argv[]) { struct protox *tp = NULL; /* for printing cblocks & stats */ int ch; af = AF_UNSPEC; while ((ch = getopt(argc, argv, "AaBbdf:ghI:iLlM:mN:np:rSstuWw:xz")) != -1) switch(ch) { case 'A': Aflag = 1; break; case 'a': aflag = 1; break; case 'B': Bflag = 1; break; case 'b': bflag = 1; break; case 'd': dflag = 1; break; case 'f': if (strcmp(optarg, "ipx") == 0) af = AF_IPX; else if (strcmp(optarg, "inet") == 0) af = AF_INET; #ifdef INET6 else if (strcmp(optarg, "inet6") == 0) af = AF_INET6; #endif #ifdef IPSEC else if (strcmp(optarg, "pfkey") == 0) af = PF_KEY; #endif else if (strcmp(optarg, "unix") == 0) af = AF_UNIX; else if (strcmp(optarg, "atalk") == 0) af = AF_APPLETALK; #ifdef NETGRAPH else if (strcmp(optarg, "ng") == 0 || strcmp(optarg, "netgraph") == 0) af = AF_NETGRAPH; #endif else if (strcmp(optarg, "link") == 0) af = AF_LINK; else { errx(1, "%s: unknown address family", optarg); } break; case 'g': gflag = 1; break; case 'h': hflag = 1; break; case 'I': { char *cp; iflag = 1; for (cp = interface = optarg; isalpha(*cp); cp++) continue; unit = atoi(cp); break; } case 'i': iflag = 1; break; case 'L': Lflag = 1; break; case 'M': memf = optarg; break; case 'm': mflag = 1; break; case 'N': nlistf = optarg; break; case 'n': numeric_addr = numeric_port = 1; break; case 'p': if ((tp = name2protox(optarg)) == NULL) { errx(1, "%s: unknown or uninstrumented protocol", optarg); } pflag = 1; break; case 'r': rflag = 1; break; case 's': ++sflag; break; case 'S': numeric_addr = 1; break; case 't': tflag = 1; break; case 'u': af = AF_UNIX; break; case 'W': case 'l': Wflag = 1; break; case 'w': interval = atoi(optarg); iflag = 1; break; case 'x': xflag = 1; break; case 'z': zflag = 1; break; case '?': default: usage(); } argv += optind; argc -= optind; #define BACKWARD_COMPATIBILITY #ifdef BACKWARD_COMPATIBILITY if (*argv) { if (isdigit(**argv)) { interval = atoi(*argv); if (interval <= 0) usage(); ++argv; iflag = 1; } if (*argv) { nlistf = *argv; if (*++argv) memf = *argv; } } #endif /* * Discard setgid privileges if not the running kernel so that bad * guys can't print interesting stuff from kernel memory. */ live = (nlistf == NULL && memf == NULL); if (!live) setgid(getgid()); if (Bflag) { if (!live) usage(); bpf_stats(interface); exit(0); } if (mflag) { if (memf != NULL) { if (kread(0, NULL, 0) == 0) mbpr(kvmd, nl[N_MBSTAT].n_value); } else mbpr(NULL, 0); exit(0); } #if 0 /* * Keep file descriptors open to avoid overhead * of open/close on each call to get* routines. */ sethostent(1); setnetent(1); #else /* * This does not make sense any more with DNS being default over * the files. Doing a setXXXXent(1) causes a tcp connection to be * used for the queries, which is slower. */ #endif kread(0, NULL, 0); if (iflag && !sflag) { intpr(interval, nl[N_IFNET].n_value, NULL); exit(0); } if (rflag) { if (sflag) rt_stats(nl[N_RTSTAT].n_value, nl[N_RTTRASH].n_value); else routepr(nl[N_RTREE].n_value); exit(0); } if (gflag) { if (sflag) { if (af == AF_INET || af == AF_UNSPEC) mrt_stats(nl[N_MRTSTAT].n_value); #ifdef INET6 if (af == AF_INET6 || af == AF_UNSPEC) mrt6_stats(nl[N_MRT6STAT].n_value); #endif } else { if (af == AF_INET || af == AF_UNSPEC) mroutepr(nl[N_MFCTABLE].n_value, nl[N_VIFTABLE].n_value); #ifdef INET6 if (af == AF_INET6 || af == AF_UNSPEC) mroute6pr(nl[N_MF6CTABLE].n_value, nl[N_MIF6TABLE].n_value); #endif } ifmalist_dump(); exit(0); } if (tp) { printproto(tp, tp->pr_name); exit(0); } if (af == AF_INET || af == AF_UNSPEC) for (tp = protox; tp->pr_name; tp++) printproto(tp, tp->pr_name); #ifdef INET6 if (af == AF_INET6 || af == AF_UNSPEC) for (tp = ip6protox; tp->pr_name; tp++) printproto(tp, tp->pr_name); #endif /*INET6*/ #ifdef IPSEC if (af == PF_KEY || af == AF_UNSPEC) for (tp = pfkeyprotox; tp->pr_name; tp++) printproto(tp, tp->pr_name); #endif /*IPSEC*/ #ifdef IPX if (af == AF_IPX || af == AF_UNSPEC) { for (tp = ipxprotox; tp->pr_name; tp++) printproto(tp, tp->pr_name); } #endif /* IPX */ if (af == AF_APPLETALK || af == AF_UNSPEC) for (tp = atalkprotox; tp->pr_name; tp++) printproto(tp, tp->pr_name); #ifdef NETGRAPH if (af == AF_NETGRAPH || af == AF_UNSPEC) for (tp = netgraphprotox; tp->pr_name; tp++) printproto(tp, tp->pr_name); #endif /* NETGRAPH */ - if ((af == AF_UNIX || af == AF_UNSPEC) && !Lflag && !sflag) + if ((af == AF_UNIX || af == AF_UNSPEC) && !sflag) unixpr(nl[N_UNP_COUNT].n_value, nl[N_UNP_GENCNT].n_value, nl[N_UNP_DHEAD].n_value, nl[N_UNP_SHEAD].n_value); exit(0); } /* * Print out protocol statistics or control blocks (per sflag). * If the interface was not specifically requested, and the symbol * is not in the namelist, ignore this one. */ static void printproto(tp, name) struct protox *tp; const char *name; { void (*pr)(u_long, const char *, int, int); u_long off; if (sflag) { if (iflag) { if (tp->pr_istats) intpr(interval, nl[N_IFNET].n_value, tp->pr_istats); else if (pflag) printf("%s: no per-interface stats routine\n", tp->pr_name); return; } else { pr = tp->pr_stats; if (!pr) { if (pflag) printf("%s: no stats routine\n", tp->pr_name); return; } if (tp->pr_usesysctl && live) off = 0; else if (tp->pr_sindex < 0) { if (pflag) printf( "%s: stats routine doesn't work on cores\n", tp->pr_name); return; } else off = nl[tp->pr_sindex].n_value; } } else { pr = tp->pr_cblocks; if (!pr) { if (pflag) printf("%s: no PCB routine\n", tp->pr_name); return; } if (tp->pr_usesysctl && live) off = 0; else if (tp->pr_index < 0) { if (pflag) printf( "%s: PCB routine doesn't work on cores\n", tp->pr_name); return; } else off = nl[tp->pr_index].n_value; } if (pr != NULL && (off || (live && tp->pr_usesysctl) || af != AF_UNSPEC)) (*pr)(off, name, af, tp->pr_protocol); } /* * Read kernel memory, return 0 on success. */ int kread(u_long addr, void *buf, size_t size) { char errbuf[_POSIX2_LINE_MAX]; if (kvmd == NULL) { kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); setgid(getgid()); if (kvmd != NULL) { if (kvm_nlist(kvmd, nl) < 0) { if (nlistf) errx(1, "%s: kvm_nlist: %s", nlistf, kvm_geterr(kvmd)); else errx(1, "kvm_nlist: %s", kvm_geterr(kvmd)); } if (nl[0].n_type == 0) { if (nlistf) errx(1, "%s: no namelist", nlistf); else errx(1, "no namelist"); } } else { warnx("kvm not available: %s", errbuf); return(-1); } } if (!buf) return (0); if (kvm_read(kvmd, addr, buf, size) != (ssize_t)size) { warnx("%s", kvm_geterr(kvmd)); return (-1); } return (0); } const char * plural(uintmax_t n) { return (n != 1 ? "s" : ""); } const char * plurales(uintmax_t n) { return (n != 1 ? "es" : ""); } const char * pluralies(uintmax_t n) { return (n != 1 ? "ies" : "y"); } /* * Find the protox for the given "well-known" name. */ static struct protox * knownname(const char *name) { struct protox **tpp, *tp; for (tpp = protoprotox; *tpp; tpp++) for (tp = *tpp; tp->pr_name; tp++) if (strcmp(tp->pr_name, name) == 0) return (tp); return (NULL); } /* * Find the protox corresponding to name. */ static struct protox * name2protox(const char *name) { struct protox *tp; char **alias; /* alias from p->aliases */ struct protoent *p; /* * Try to find the name in the list of "well-known" names. If that * fails, check if name is an alias for an Internet protocol. */ if ((tp = knownname(name)) != NULL) return (tp); setprotoent(1); /* make protocol lookup cheaper */ while ((p = getprotoent()) != NULL) { /* assert: name not same as p->name */ for (alias = p->p_aliases; *alias; alias++) if (strcmp(name, *alias) == 0) { endprotoent(); return (knownname(p->p_name)); } } endprotoent(); return (NULL); } static void usage(void) { (void)fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n", "usage: netstat [-AaLnSW] [-f protocol_family | -p protocol]\n" " [-M core] [-N system]", " netstat -i | -I interface [-abdhnt] [-f address_family]\n" " [-M core] [-N system]", " netstat -w wait [-I interface] [-d] [-M core] [-N system]", " netstat -s [-s] [-z] [-f protocol_family | -p protocol] [-M core]", " netstat -i | -I interface -s [-f protocol_family | -p protocol]\n" " [-M core] [-N system]", " netstat -m [-M core] [-N system]", " netstat -B [ -I interface]", " netstat -r [-AenW] [-f address_family] [-M core] [-N system]", " netstat -rs [-s] [-M core] [-N system]", " netstat -g [-W] [-f address_family] [-M core] [-N system]", " netstat -gs [-s] [-f address_family] [-M core] [-N system]"); exit(1); } Index: head/usr.bin/netstat/unix.c =================================================================== --- head/usr.bin/netstat/unix.c (revision 186643) +++ head/usr.bin/netstat/unix.c (revision 186644) @@ -1,275 +1,286 @@ /*- * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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. */ #if 0 #ifndef lint static char sccsid[] = "@(#)unix.c 8.1 (Berkeley) 6/6/93"; #endif /* not lint */ #endif #include __FBSDID("$FreeBSD$"); /* * Display protocol blocks in the unix domain. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "netstat.h" static void unixdomainpr(struct xunpcb *, struct xsocket *); static const char *const socktype[] = { "#0", "stream", "dgram", "raw", "rdm", "seqpacket" }; static int pcblist_sysctl(int type, char **bufp) { char *buf; size_t len; char mibvar[sizeof "net.local.seqpacket.pcblist"]; sprintf(mibvar, "net.local.%s.pcblist", socktype[type]); len = 0; if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { if (errno != ENOENT) warn("sysctl: %s", mibvar); return (-1); } if ((buf = malloc(len)) == 0) { warnx("malloc %lu bytes", (u_long)len); return (-2); } if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { warn("sysctl: %s", mibvar); free(buf); return (-2); } *bufp = buf; return (0); } static int pcblist_kvm(u_long count_off, u_long gencnt_off, u_long head_off, char **bufp) { struct unp_head head; struct unpcb *unp, unp_conn; u_char sun_len; struct socket so; struct xunpgen xug; struct xunpcb xu; unp_gen_t unp_gencnt; u_int unp_count; char *buf, *p; size_t len; if (count_off == 0 || gencnt_off == 0) return (-2); if (head_off == 0) return (-1); kread(count_off, &unp_count, sizeof(unp_count)); len = 2 * sizeof(xug) + (unp_count + unp_count / 8) * sizeof(xu); if ((buf = malloc(len)) == 0) { warnx("malloc %lu bytes", (u_long)len); return (-2); } p = buf; #define COPYOUT(obj, size) do { \ if (len < (size)) { \ warnx("buffer size exceeded"); \ goto fail; \ } \ bcopy((obj), p, (size)); \ len -= (size); \ p += (size); \ } while (0) #define KREAD(off, buf, len) do { \ if (kread((uintptr_t)(off), (buf), (len)) != 0) \ goto fail; \ } while (0) /* Write out header. */ kread(gencnt_off, &unp_gencnt, sizeof(unp_gencnt)); xug.xug_len = sizeof xug; xug.xug_count = unp_count; xug.xug_gen = unp_gencnt; xug.xug_sogen = 0; COPYOUT(&xug, sizeof xug); /* Walk the PCB list. */ xu.xu_len = sizeof xu; KREAD(head_off, &head, sizeof(head)); LIST_FOREACH(unp, &head, unp_link) { xu.xu_unpp = unp; KREAD(unp, &xu.xu_unp, sizeof (*unp)); unp = &xu.xu_unp; if (unp->unp_gencnt > unp_gencnt) continue; if (unp->unp_addr != NULL) { KREAD(unp->unp_addr, &sun_len, sizeof(sun_len)); KREAD(unp->unp_addr, &xu.xu_addr, sun_len); } if (unp->unp_conn != NULL) { KREAD(unp->unp_conn, &unp_conn, sizeof(unp_conn)); if (unp_conn.unp_addr != NULL) { KREAD(unp_conn.unp_addr, &sun_len, sizeof(sun_len)); KREAD(unp_conn.unp_addr, &xu.xu_caddr, sun_len); } } KREAD(unp->unp_socket, &so, sizeof(so)); if (sotoxsocket(&so, &xu.xu_socket) != 0) goto fail; COPYOUT(&xu, sizeof(xu)); } /* Reread the counts and write the footer. */ kread(count_off, &unp_count, sizeof(unp_count)); kread(gencnt_off, &unp_gencnt, sizeof(unp_gencnt)); xug.xug_count = unp_count; xug.xug_gen = unp_gencnt; COPYOUT(&xug, sizeof xug); *bufp = buf; return (0); fail: free(buf); return (-1); #undef COPYOUT #undef KREAD } void unixpr(u_long count_off, u_long gencnt_off, u_long dhead_off, u_long shead_off) { char *buf; int ret, type; struct xsocket *so; struct xunpgen *xug, *oxug; struct xunpcb *xunp; for (type = SOCK_STREAM; type <= SOCK_SEQPACKET; type++) { if (live) ret = pcblist_sysctl(type, &buf); else ret = pcblist_kvm(count_off, gencnt_off, type == SOCK_STREAM ? shead_off : (type == SOCK_DGRAM ? dhead_off : 0), &buf); if (ret == -1) continue; if (ret < 0) return; oxug = xug = (struct xunpgen *)buf; for (xug = (struct xunpgen *)((char *)xug + xug->xug_len); xug->xug_len > sizeof(struct xunpgen); xug = (struct xunpgen *)((char *)xug + xug->xug_len)) { xunp = (struct xunpcb *)xug; so = &xunp->xu_socket; /* Ignore PCBs which were freed during copyout. */ if (xunp->xu_unp.unp_gencnt > oxug->xug_gen) continue; unixdomainpr(xunp, so); } if (xug != oxug && xug->xug_gen != oxug->xug_gen) { if (oxug->xug_count > xug->xug_count) { printf("Some %s sockets may have been deleted.\n", socktype[type]); } else if (oxug->xug_count < xug->xug_count) { printf("Some %s sockets may have been created.\n", socktype[type]); } else { printf("Some %s sockets may have been created or deleted", socktype[type]); } } free(buf); } } static void unixdomainpr(struct xunpcb *xunp, struct xsocket *so) { struct unpcb *unp; struct sockaddr_un *sa; static int first = 1; + char buf1[15]; unp = &xunp->xu_unp; if (unp->unp_addr) sa = &xunp->xu_addr; else sa = (struct sockaddr_un *)0; - if (first) { + if (first && !Lflag) { printf("Active UNIX domain sockets\n"); printf( "%-8.8s %-6.6s %-6.6s %-6.6s %8.8s %8.8s %8.8s %8.8s Addr\n", "Address", "Type", "Recv-Q", "Send-Q", "Inode", "Conn", "Refs", "Nextref"); first = 0; } - printf("%8lx %-6.6s %6u %6u %8lx %8lx %8lx %8lx", - (long)so->so_pcb, socktype[so->so_type], so->so_rcv.sb_cc, - so->so_snd.sb_cc, - (long)unp->unp_vnode, (long)unp->unp_conn, - (long)LIST_FIRST(&unp->unp_refs), (long)LIST_NEXT(unp, unp_reflink)); + + if (Lflag && so->so_qlimit == 0) + return; + + if (Lflag) { + snprintf(buf1, 15, "%d/%d/%d", so->so_qlen, + so->so_incqlen, so->so_qlimit); + printf("unix %-14.14s", buf1); + } else { + printf("%8lx %-6.6s %6u %6u %8lx %8lx %8lx %8lx", + (long)so->so_pcb, socktype[so->so_type], so->so_rcv.sb_cc, + so->so_snd.sb_cc, (long)unp->unp_vnode, (long)unp->unp_conn, + (long)LIST_FIRST(&unp->unp_refs), + (long)LIST_NEXT(unp, unp_reflink)); + } if (sa) printf(" %.*s", (int)(sa->sun_len - offsetof(struct sockaddr_un, sun_path)), sa->sun_path); putchar('\n'); }