X-Git-Url: https://git.saurik.com/apple/network_cmds.git/blobdiff_plain/b7080c8e96625177072137d504eb8e9c9d748e49..755a8d69d575c678ea4570e9f9ef0d076b0f1557:/netstat.tproj/main.c diff --git a/netstat.tproj/main.c b/netstat.tproj/main.c index 8ca3a72..6830b67 100644 --- a/netstat.tproj/main.c +++ b/netstat.tproj/main.c @@ -1,25 +1,29 @@ /* - * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2008-2015 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights - * Reserved. This file contains Original Code and/or Modifications of - * Original Code as defined in and that are subject to the Apple Public - * Source License Version 1.0 (the 'License'). You may not use this file - * except in compliance with the License. Please obtain a copy of the - * License at http://www.apple.com/publicsource and read it before using - * this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License." + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1983, 1988, 1993 @@ -60,25 +64,17 @@ char const copyright[] = Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ -#ifndef lint -#if 0 -static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 3/1/94"; -#endif -static const char rcsid[] = - "$Id: main.c,v 1.2 2000/06/16 03:37:29 lindak Exp $"; -#endif /* not lint */ - #include #include -#include #include +#include #include +#include #include #include #include -#include #include #include #include @@ -91,6 +87,9 @@ static const char rcsid[] = #include #include +#ifdef __APPLE__ +#include +#endif /* * ---------------------------------------------------------------------------- @@ -100,184 +99,142 @@ static const char rcsid[] = * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp * ---------------------------------------------------------------------------- * - * $Id: main.c,v 1.2 2000/06/16 03:37:29 lindak Exp $ + * $Id: main.c,v 1.8 2004/10/14 22:24:09 lindak Exp $ * */ - -static struct nlist nl[] = { -#define N_IFNET 0 - { "_ifnet" }, -#define N_IMP 1 - { "_imp_softc" }, -#define N_RTSTAT 2 - { "_rtstat" }, -#define N_UNIXSW 3 - { "_localsw" }, -#define N_IDP 4 - { "_nspcb"}, -#define N_IDPSTAT 5 - { "_idpstat"}, -#define N_SPPSTAT 6 - { "_spp_istat"}, -#define N_NSERR 7 - { "_ns_errstat"}, -#define N_CLNPSTAT 8 - { "_clnp_stat"}, -#define IN_NOTUSED 9 - { "_tp_inpcb" }, -#define ISO_TP 10 - { "_tp_refinfo" }, -#define N_TPSTAT 11 - { "_tp_stat" }, -#define N_ESISSTAT 12 - { "_esis_stat"}, -#define N_NIMP 13 - { "_nimp"}, -#define N_RTREE 14 - { "_rt_tables"}, -#define N_CLTP 15 - { "_cltb"}, -#define N_CLTPSTAT 16 - { "_cltpstat"}, -#define N_NFILE 17 - { "_nfile" }, -#define N_FILE 18 - { "_file" }, -#define N_MRTSTAT 19 - { "_mrtstat" }, -#define N_MFCTABLE 20 - { "_mfctable" }, -#define N_VIFTABLE 21 - { "_viftable" }, -#define N_IPX 22 - { "_ipxpcb"}, -#define N_IPXSTAT 23 - { "_ipxstat"}, -#define N_SPXSTAT 24 - { "_spx_istat"}, -#define N_DDPSTAT 25 - { "_ddpstat"}, -#define N_DDPCB 26 - { "_ddpcb"}, -#define N_MBSTAT 27 - {"_mbstat"}, - { "" }, -}; - - - struct protox { - u_char pr_index; /* index into nlist of cb head */ - u_char pr_sindex; /* index into nlist of stat block */ - u_char pr_wanted; /* 1 if wanted, 0 otherwise */ - void (*pr_cblocks)(); /* control blocks printing routine */ - void (*pr_stats)(); /* statistics printing routine */ + void (*pr_cblocks)(uint32_t, char *, int); + /* control blocks printing routine */ + void (*pr_stats)(uint32_t, char *, int); + /* statistics printing routine */ + void (*pr_istats)(char *); /* per/if statistics printing routine */ char *pr_name; /* well-known name */ - int pr_usesysctl; /* true if we use sysctl, not kvm */ + int pr_protocol; } protox[] = { - { -1, -1, 1, protopr, - tcp_stats, "tcp", IPPROTO_TCP }, - { -1, -1, 1, protopr, - udp_stats, "udp", IPPROTO_UDP }, - { -1, -1, 1, protopr, - NULL, "divert", IPPROTO_DIVERT }, - { -1, -1, 1, protopr, - ip_stats, "ip", IPPROTO_RAW }, - { -1, -1, 1, protopr, - icmp_stats, "icmp", IPPROTO_ICMP }, - { -1, -1, 1, protopr, - igmp_stats, "igmp", IPPROTO_IGMP }, - { -1, -1, 0, 0, - 0, 0 } + { protopr, tcp_stats, NULL, "tcp", IPPROTO_TCP }, + { protopr, udp_stats, NULL, "udp", IPPROTO_UDP }, + { protopr, NULL, NULL, "divert", IPPROTO_DIVERT }, + { protopr, ip_stats, NULL, "ip", IPPROTO_RAW }, + { protopr, icmp_stats, NULL, "icmp", IPPROTO_ICMP }, + { protopr, igmp_stats, NULL, "igmp", IPPROTO_IGMP }, +#ifdef IPSEC + { NULL, ipsec_stats, NULL, "ipsec", IPPROTO_ESP}, +#endif + { NULL, arp_stats, NULL, "arp", 0 }, + { mptcppr, mptcp_stats, NULL, "mptcp", IPPROTO_TCP }, + { NULL, NULL, NULL, NULL, 0 } }; -#ifdef UNIX_ATALK -struct protox atalkprotox[] = { - { N_DDPCB, N_DDPSTAT, 1, atalkprotopr, - ddp_stats, "ddp" }, - { -1, -1, 0, 0, - 0, 0 } -}; +#ifdef INET6 +struct protox ip6protox[] = { + { protopr, tcp_stats, NULL, "tcp", IPPROTO_TCP }, + { protopr, udp_stats, NULL, "udp", IPPROTO_UDP }, + { protopr, ip6_stats, ip6_ifstats, "ip6", IPPROTO_RAW }, + { protopr, icmp6_stats, icmp6_ifstats, "icmp6",IPPROTO_ICMPV6 }, +#ifdef IPSEC + { NULL, ipsec_stats, NULL, "ipsec6", IPPROTO_ESP }, #endif - -#ifdef IPX -struct protox ipxprotox[] = { - { N_IPX, N_IPXSTAT, 1, ipxprotopr, - ipx_stats, "ipx", 0 }, - { N_IPX, N_SPXSTAT, 1, ipxprotopr, - spx_stats, "spx", 0 }, - { -1, -1, 0, 0, - 0, 0, 0 } + { NULL, rip6_stats, NULL, "rip6", IPPROTO_RAW }, + { mptcppr, mptcp_stats, NULL, "mptcp", IPPROTO_TCP }, + { NULL, NULL, NULL, NULL, 0 } }; -#endif +#endif /*INET6*/ -#ifdef NS -struct protox nsprotox[] = { - { N_IDP, N_IDPSTAT, 1, nsprotopr, - idp_stats, "idp" }, - { N_IDP, N_SPPSTAT, 1, nsprotopr, - spp_stats, "spp" }, - { -1, N_NSERR, 1, 0, - nserr_stats, "ns_err" }, - { -1, -1, 0, 0, - 0, 0 } +#ifdef IPSEC +struct protox pfkeyprotox[] = { + { NULL, pfkey_stats, NULL, "pfkey", PF_KEY_V2 }, + { NULL, NULL, NULL, NULL, 0 } }; #endif -#ifdef ISO -struct protox isoprotox[] = { - { ISO_TP, N_TPSTAT, 1, iso_protopr, - tp_stats, "tp" }, - { N_CLTP, N_CLTPSTAT, 1, iso_protopr, - cltp_stats, "cltp" }, - { -1, N_CLNPSTAT, 1, 0, - clnp_stats, "clnp"}, - { -1, N_ESISSTAT, 1, 0, - esis_stats, "esis"}, - { -1, -1, 0, 0, - 0, 0 } + +struct protox systmprotox[] = { + { systmpr, NULL, NULL, "reg", 0 }, + { systmpr, kevt_stats, NULL, "kevt", SYSPROTO_EVENT }, + { systmpr, kctl_stats, NULL, "kctl", SYSPROTO_CONTROL }, + { NULL, NULL, NULL, NULL, 0 } }; -#endif -struct protox *protoprotox[] = { protox, +struct protox nstatprotox[] = { + { NULL, print_nstat_stats, NULL, "nstat", 0 }, + { NULL, NULL, NULL, NULL, 0 } +}; -#ifdef IPX -ipxprotox, -#endif +struct protox ipcprotox[] = { + { NULL, print_extbkidle_stats, NULL, "xbkidle", 0 }, + { NULL, NULL, NULL, NULL, 0 } +}; -#ifdef UNIX_ATALK -atalkprotox, -#endif -#ifdef NS - nsprotox, +struct protox *protoprotox[] = { + protox, +#ifdef INET6 + ip6protox, #endif -#ifdef ISO - isoprotox, +#ifdef IPSEC + pfkeyprotox, #endif - NULL }; + systmprotox, + nstatprotox, + ipcprotox, + NULL +}; -static void printproto __P((struct protox *, char *)); -static void usage __P((void)); -static struct protox *name2protox __P((char *)); -static struct protox *knownname __P((char *)); +static void printproto (struct protox *, char *); +static void usage (void); +static struct protox *name2protox (char *); +static struct protox *knownname (char *); +#ifdef SRVCACHE +extern void _serv_cache_close(); +#endif -static kvm_t *kvmd; -char *nlistf = NULL, *memf = NULL; +int Aflag; /* show addresses of protocol control block */ +int aflag; /* show all sockets (including servers) */ +int bflag; /* show i/f total bytes in/out */ +int cflag; /* show specific classq */ +int dflag; /* show i/f dropped packets */ +int Fflag; /* show i/f forwarded packets */ +#if defined(__APPLE__) +int gflag; /* show group (multicast) routing or stats */ +#endif +int iflag; /* show interfaces */ +int lflag; /* show routing table with use and ref */ +int Lflag; /* show size of listen queues */ +int mflag; /* show memory stats */ +int nflag; /* show addresses numerically */ +static int pflag; /* show given protocol */ +int prioflag = -1; /* show packet priority statistics */ +int Rflag; /* show reachability information */ +int rflag; /* show routing tables (or routing stats) */ +int sflag; /* show protocol statistics */ +int Sflag; /* show additional i/f link status */ +int tflag; /* show i/f watchdog timers */ +int vflag; /* more verbose */ +int Wflag; /* wide display */ +int qflag; /* classq stats display */ +int Qflag; /* opportunistic polling stats display */ +int xflag; /* show extended link-layer reachability information */ + +int cq = -1; /* send classq index (-1 for all) */ +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 main(argc, argv) int argc; char *argv[]; { - register struct protoent *p; - register struct protox *tp; /* for printing cblocks & stats */ + register struct protox *tp = NULL; /* for printing cblocks & stats */ int ch; af = AF_UNSPEC; - while ((ch = getopt(argc, argv, "Aabdf:ghI:iM:mN:np:rstuw:")) != -1) + while ((ch = getopt(argc, argv, "Aabc:dFf:gI:ikLlmnP:p:qQrRsStuvWw:x")) != -1) switch(ch) { case 'A': Aflag = 1; @@ -288,36 +245,42 @@ main(argc, argv) case 'b': bflag = 1; break; + case 'c': + cflag = 1; + cq = atoi(optarg); + break; case 'd': dflag = 1; break; + case 'F': + Fflag = 1; + break; case 'f': -#ifdef NS - if (strcmp(optarg, "ns") == 0) - af = AF_NS; - else -#endif 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 /*INET6*/ +#ifdef INET6 + else if (strcmp(optarg, "pfkey") == 0) + af = PF_KEY; +#endif /*INET6*/ else if (strcmp(optarg, "unix") == 0) af = AF_UNIX; - else if (strcmp(optarg, "local") == 0) - af = AF_LOCAL; - else if (strcmp(optarg, "atalk") == 0) - af = AF_APPLETALK; -#ifdef ISO - else if (strcmp(optarg, "iso") == 0) - af = AF_ISO; -#endif + else if (strcmp(optarg, "systm") == 0) + af = AF_SYSTEM; else { errx(1, "%s: unknown address family", optarg); } break; +#if defined(__APPLE__) case 'g': gflag = 1; break; +#endif case 'I': { char *cp; @@ -330,18 +293,21 @@ main(argc, argv) case 'i': iflag = 1; break; - case 'M': - memf = optarg; + case 'l': + lflag = 1; break; - case 'm': - mflag = 1; + case 'L': + Lflag = 1; break; - case 'N': - nlistf = optarg; + case 'm': + mflag++; break; case 'n': nflag = 1; break; + case 'P': + prioflag = atoi(optarg); + break; case 'p': if ((tp = name2protox(optarg)) == NULL) { errx(1, @@ -350,22 +316,44 @@ main(argc, argv) } pflag = 1; break; + case 'q': + qflag++; + break; + case 'Q': + Qflag++; + break; + case 'R': + Rflag = 1; + break; case 'r': rflag = 1; break; case 's': ++sflag; break; + case 'S': + Sflag = 1; + break; case 't': tflag = 1; break; case 'u': af = AF_UNIX; break; + case 'v': + vflag++; + break; + case 'W': + Wflag = 1; + break; case 'w': interval = atoi(optarg); iflag = 1; break; + case 'x': + xflag = 1; + Rflag = 1; + break; case '?': default: usage(); @@ -383,115 +371,92 @@ main(argc, argv) ++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. - */ - if (nlistf != NULL || memf != NULL) - setgid(getgid()); - if (mflag) { - kread(0,0,0); - mbpr(nl[N_MBSTAT].n_value); + mbpr(); exit(0); } - if (pflag) { - if (!tp->pr_stats) { - printf("%s: no stats routine\n", tp->pr_name); - exit(0); - } - if (tp->pr_usesysctl) { - (*tp->pr_stats)(tp->pr_usesysctl, tp->pr_name); - } else { - kread(0, 0, 0); - (*tp->pr_stats)(nl[tp->pr_sindex].n_value, - tp->pr_name); - } - 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 - if (iflag) { - kread(0, 0, 0); - intpr(interval, nl[N_IFNET].n_value); + if (iflag && !sflag && !Sflag && !gflag && !qflag && !Qflag) { + if (Rflag) + intpr_ri(NULL); + else + intpr(NULL); exit(0); } if (rflag) { - kread(0, 0, 0); if (sflag) - rt_stats(nl[N_RTSTAT].n_value); + rt_stats(); else - routepr(nl[N_RTREE].n_value); + routepr(); exit(0); } - if (gflag) { - kread(0, 0, 0); - if (sflag) - mrt_stats(nl[N_MRTSTAT].n_value); - else - mroutepr(nl[N_MFCTABLE].n_value, - nl[N_VIFTABLE].n_value); + if (qflag || Qflag) { + if (interface == NULL) { + fprintf(stderr, "%s statistics option " + "requires interface name\n", qflag ? "Queue" : + "Polling"); + } else if (qflag) { + aqstatpr(); + } else { + rxpollstatpr(); + } exit(0); } - if (af == AF_INET || af == AF_UNSPEC) { - setprotoent(1); - setservent(1); - /* ugh, this is O(MN) ... why do we do this? */ - while ((p = getprotoent())) { - for (tp = protox; tp->pr_name; tp++) - if (strcmp(tp->pr_name, p->p_name) == 0) - break; - if (tp->pr_name == 0 || tp->pr_wanted == 0) - continue; - printproto(tp, p->p_name); + if (Sflag) { + if (interface == NULL) { + fprintf(stderr, "additional link status option" + " requires interface name\n"); + } else { + print_link_status(interface); } - endprotoent(); + exit(0); } -#ifdef IPX - if (af == AF_IPX || af == AF_UNSPEC) { - kread(0, 0, 0); - for (tp = ipxprotox; tp->pr_name; tp++) - printproto(tp, tp->pr_name); +#if defined(__APPLE__) + if (gflag) { + ifmalist_dump(); + exit(0); } #endif -#ifdef UNIX_ATALK - if (af == AF_APPLETALK || af == AF_UNSPEC) - for (tp = atalkprotox; tp->pr_name; tp++) + + 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); -#endif -#ifdef NS - if (af == AF_NS || af == AF_UNSPEC) - for (tp = nsprotox; tp->pr_name; tp++) +#ifdef INET6 + if (af == AF_INET6 || af == AF_UNSPEC) + for (tp = ip6protox; tp->pr_name; tp++) printproto(tp, tp->pr_name); -#endif -#ifdef ISO - if (af == AF_ISO || af == AF_UNSPEC) - for (tp = isoprotox; tp->pr_name; tp++) +#endif /*INET6*/ +#ifdef IPSEC + if (af == PF_KEY || af == AF_UNSPEC) + for (tp = pfkeyprotox; tp->pr_name; tp++) printproto(tp, tp->pr_name); -#endif - if ((af == AF_UNIX || af == AF_LOCAL || af == AF_UNSPEC) && !sflag) +#endif /*IPSEC*/ + if ((af == AF_UNIX || af == AF_UNSPEC) && !Lflag && !sflag) unixpr(); + + if ((af == AF_SYSTEM || af == AF_UNSPEC) && !Lflag) + for (tp = systmprotox; tp->pr_name; tp++) + printproto(tp, tp->pr_name); +#if TARGET_OS_IPHONE + if (af == AF_UNSPEC && !Lflag) + for (tp = nstatprotox; tp->pr_name; tp++) + printproto(tp, tp->pr_name); +#endif /* TARGET_OS_IPHONE */ + + if (af == AF_UNSPEC && !Lflag) + for (tp = ipcprotox; tp->pr_name; tp++) + printproto(tp, tp->pr_name); + +#ifdef SRVCACHE + _serv_cache_close(); +#endif exit(0); } @@ -505,85 +470,70 @@ printproto(tp, name) register struct protox *tp; char *name; { - void (*pr)(); - u_long off; + void (*pr)(uint32_t, char *, int); + uint32_t off; if (sflag) { - pr = tp->pr_stats; - off = tp->pr_usesysctl ? tp->pr_usesysctl - : nl[tp->pr_sindex].n_value; + if (iflag && !pflag) { + if (tp->pr_istats) + intpr(tp->pr_istats); + else if (vflag) + printf("%s: no per-interface stats routine\n", + tp->pr_name); + return; + } + else { + pr = tp->pr_stats; + if (!pr) { + if (pflag && vflag) + printf("%s: no stats routine\n", + tp->pr_name); + return; + } + off = tp->pr_protocol; + } } else { pr = tp->pr_cblocks; - off = tp->pr_usesysctl ? tp->pr_usesysctl - : nl[tp->pr_index].n_value; + if (!pr) { + if (pflag && vflag) + printf("%s: no PCB routine\n", tp->pr_name); + return; + } + off = tp->pr_protocol; + } + if (pr != NULL) { + if (sflag && iflag && pflag) + intervalpr(pr, off, name, af); + else + (*pr)(off, name, af); + } else { + printf("### no stats for %s\n", name); } - if (pr != NULL && (off || af != AF_UNSPEC)) - (*pr)(off, name); } -/* - * Read kernel memory, return 0 on success. - */ -int -kread(addr, buf, size) - u_long addr; - char *buf; - int size; +char * +plural(int n) { - if (kvmd == 0) { - /* - * XXX. - */ - kvmd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf); - 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"); - return(-1); - } - } - if (!buf) - return (0); - if (kvm_read(kvmd, addr, buf, size) != size) { - warnx("%s", kvm_geterr(kvmd)); - return (-1); - } - return (0); + return (n > 1 ? "s" : ""); } char * -plural(n) - int n; +plurales(int n) { - return (n != 1 ? "s" : ""); + return (n > 1 ? "es" : ""); } char * -plurales(n) - int n; +pluralies(int n) { - return (n != 1 ? "es" : ""); + return (n > 1 ? "ies" : "y"); } /* * Find the protox for the given "well-known" name. */ static struct protox * -knownname(name) - char *name; +knownname(char *name) { struct protox **tpp, *tp; @@ -598,8 +548,7 @@ knownname(name) * Find the protox corresponding to name. */ static struct protox * -name2protox(name) - char *name; +name2protox(char *name) { struct protox *tp; char **alias; /* alias from p->aliases */ @@ -609,11 +558,11 @@ name2protox(name) * 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))) + if ((tp = knownname(name)) != NULL) return (tp); setprotoent(1); /* make protocol lookup cheaper */ - while ((p = getprotoent())) { + while ((p = getprotoent()) != NULL) { /* assert: name not same as p->name */ for (alias = p->p_aliases; *alias; alias++) if (strcmp(name, *alias) == 0) { @@ -625,43 +574,36 @@ name2protox(name) return (NULL); } +#define NETSTAT_USAGE "\ +Usage: netstat [-AaLlnW] [-f address_family | -p protocol]\n\ + netstat [-gilns] [-f address_family]\n\ + netstat -i | -I interface [-w wait] [-abdgRtS]\n\ + netstat -s [-s] [-f address_family | -p protocol] [-w wait]\n\ + netstat -i | -I interface -s [-f address_family | -p protocol]\n\ + netstat -m [-m]\n\ + netstat -r [-Aaln] [-f address_family]\n\ + netstat -rs [-s]\n\ +" + static void -usage() +usage(void) { - (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", -"usage: netstat [-Aan] [-f address_family] [-M core] [-N system]", -" netstat [-bdghimnrs] [-f address_family] [-M core] [-N system]", -" netstat [-bdn] [-I interface] [-M core] [-N system] [-w wait]", -" netstat [-M core] [-N system] [-p protocol]"); + (void) fprintf(stderr, "%s\n", NETSTAT_USAGE); exit(1); } -void -trimdomain(cp) - char *cp; +int +print_time(void) { - static char domain[MAXHOSTNAMELEN + 1]; - static int first = 1; - char *s; - - if (first) { - first = 0; - if (gethostname(domain, MAXHOSTNAMELEN) == 0 && - (s = strchr(domain, '.'))) - (void) strcpy(domain, s + 1); - else - domain[0] = 0; - } - - if (domain[0]) { - while ((cp = strchr(cp, '.'))) { - if (!strcasecmp(cp + 1, domain)) { - *cp = 0; /* hit it */ - break; - } else { - cp++; - } - } - } + time_t now; + struct tm tm; + int num_written = 0; + + (void) time(&now); + (void) localtime_r(&now, &tm); + + num_written += printf("%02d:%02d:%02d ", tm.tm_hour, tm.tm_min, tm.tm_sec); + + return (num_written); }