/* $OpenBSD: ifconfig.c,v 1.119 2004/11/17 01:47:20 itojun Exp $ */ /* $NetBSD: ifconfig.c,v 1.40 1997/10/01 02:19:43 enami Exp $ */ /* * Copyright (c) 1983, 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. */ /*- * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * 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 NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 static const char copyright[] = "@(#) Copyright (c) 1983, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint #if 0 static const char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; #else static const char rcsid[] = "$OpenBSD: ifconfig.c,v 1.119 2004/11/17 01:47:20 itojun Exp $"; #endif #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define NSIP #include #include #define IPXIP #include #include #include #include #include #include #include #include #include #include #include #include struct ifreq ifr, ridreq; struct ifaliasreq addreq; struct in_aliasreq in_addreq; #ifdef INET6 struct in6_ifreq ifr6; struct in6_ifreq in6_ridreq; struct in6_aliasreq in6_addreq; #endif /* INET6 */ struct sockaddr_in netmask; struct netrange at_nr; /* AppleTalk net range */ int ipx_type = IPX_ETHERTYPE_II; char name[IFNAMSIZ]; int flags, setaddr, setipdst, doalias; u_long metric, mtu; int clearaddr, s; int newaddr = 0; int af = AF_INET; int mflag; int explicit_prefix = 0; #ifdef INET6 int Lflag = 1; #endif /* INET6 */ void notealias(const char *, int); void notrailers(const char *, int); void setifgroup(const char *, int); void unsetifgroup(const char *, int); void setifaddr(const char *, int); void setifdstaddr(const char *, int); void setifflags(const char *, int); void setifbroadaddr(const char *, int); void setifdesc(const char *, int); void setifipdst(const char *, int); void setifmetric(const char *, int); void setifmtu(const char *, int); void setifnwid(const char *, int); void setifbssid(const char *, int); void setifnwkey(const char *, int); void setifchan(const char *, int); void setifpowersave(const char *, int); void setifpowersavesleep(const char *, int); void setifnetmask(const char *, int); void setifprefixlen(const char *, int); void setipxframetype(const char *, int); void setatrange(const char *, int); void setatphase(const char *, int); void settunnel(const char *, const char *); void deletetunnel(const char *, int); #ifdef INET6 void setia6flags(const char *, int); void setia6pltime(const char *, int); void setia6vltime(const char *, int); void setia6lifetime(const char *, const char *); void setia6eui64(const char *, int); #endif /* INET6 */ void checkatrange(struct sockaddr_at *); void setmedia(const char *, int); void setmediaopt(const char *, int); void setmediamode(const char *, int); void clone_create(const char *, int); void clone_destroy(const char *, int); void unsetmediaopt(const char *, int); void setmediainst(const char *, int); void settimeslot(const char *, int); void setvlantag(const char *, int); void setvlandev(const char *, int); void unsetvlandev(const char *, int); void vlan_status(void); void getifgroups(void); void carp_status(void); void setcarp_advbase(const char *,int); void setcarp_advskew(const char *, int); void setcarp_passwd(const char *, int); void setcarp_vhid(const char *, int); void setcarp_state(const char *, int); void setpfsync_syncif(const char *, int); void setpfsync_maxupd(const char *, int); void unsetpfsync_syncif(const char *, int); void setpfsync_syncpeer(const char *, int); void unsetpfsync_syncpeer(const char *, int); void pfsync_status(void); int main(int, char *[]); int prefix(void *val, int); /* * Media stuff. Whenever a media command is first performed, the * currently select media is grabbed for this interface. If `media' * is given, the current media word is modified. `mediaopt' commands * only modify the set and clear words. They then operate on the * current media word later. */ int media_current; int mediaopt_set; int mediaopt_clear; int actions; /* Actions performed */ #define A_MEDIA 0x0001 /* media command */ #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) #define A_MEDIAINST 0x0008 /* instance or inst command */ #define A_MEDIAMODE 0x0010 /* mode command */ #define NEXTARG 0xffffff #define NEXTARG2 0xfffffe const struct cmd { char *c_name; int c_parameter; /* NEXTARG means next argv */ int c_action; /* defered action */ void (*c_func)(const char *, int); void (*c_func2)(const char *, const char *); } cmds[] = { { "up", IFF_UP, 0, setifflags } , { "down", -IFF_UP, 0, setifflags }, { "trailers", -1, 0, notrailers }, { "-trailers", 1, 0, notrailers }, { "arp", -IFF_NOARP, 0, setifflags }, { "-arp", IFF_NOARP, 0, setifflags }, { "debug", IFF_DEBUG, 0, setifflags }, { "-debug", -IFF_DEBUG, 0, setifflags }, { "alias", IFF_UP, 0, notealias }, { "-alias", -IFF_UP, 0, notealias }, { "delete", -IFF_UP, 0, notealias }, #ifdef notdef #define EN_SWABIPS 0x1000 { "swabips", EN_SWABIPS, 0, setifflags }, { "-swabips", -EN_SWABIPS, 0, setifflags }, #endif /* notdef */ { "group", NEXTARG, 0, setifgroup }, { "-group", NEXTARG, 0, unsetifgroup }, { "netmask", NEXTARG, 0, setifnetmask }, { "metric", NEXTARG, 0, setifmetric }, { "mtu", NEXTARG, 0, setifmtu }, { "nwid", NEXTARG, 0, setifnwid }, { "bssid", NEXTARG, 0, setifbssid }, { "-bssid", -1, 0, setifbssid }, { "nwkey", NEXTARG, 0, setifnwkey }, { "-nwkey", -1, 0, setifnwkey }, { "chan", NEXTARG, 0, setifchan }, { "-chan", -1, 0, setifchan }, { "powersave", 1, 0, setifpowersave }, { "-powersave", 0, 0, setifpowersave }, { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, { "broadcast", NEXTARG, 0, setifbroadaddr }, { "ipdst", NEXTARG, 0, setifipdst }, { "prefixlen", NEXTARG, 0, setifprefixlen}, #ifdef INET6 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, { "pltime", NEXTARG, 0, setia6pltime }, { "vltime", NEXTARG, 0, setia6vltime }, { "eui64", 0, 0, setia6eui64 }, #endif /*INET6*/ { "range", NEXTARG, 0, setatrange }, { "phase", NEXTARG, 0, setatphase }, { "802.2", IPX_ETHERTYPE_8022, 0, setipxframetype }, { "802.2tr", IPX_ETHERTYPE_8022TR, 0, setipxframetype }, { "802.3", IPX_ETHERTYPE_8023, 0, setipxframetype }, { "snap", IPX_ETHERTYPE_SNAP, 0, setipxframetype }, { "EtherII", IPX_ETHERTYPE_II, 0, setipxframetype }, { "vlan", NEXTARG, 0, setvlantag }, { "vlandev", NEXTARG, 0, setvlandev }, { "-vlandev", 1, 0, unsetvlandev }, { "advbase", NEXTARG, 0, setcarp_advbase }, { "advskew", NEXTARG, 0, setcarp_advskew }, { "pass", NEXTARG, 0, setcarp_passwd }, { "vhid", NEXTARG, 0, setcarp_vhid }, { "state", NEXTARG, 0, setcarp_state }, { "syncif", NEXTARG, 0, setpfsync_syncif }, { "-syncif", 1, 0, unsetpfsync_syncif }, { "syncpeer", NEXTARG, 0, setpfsync_syncpeer }, { "-syncpeer", 1, 0, unsetpfsync_syncpeer }, { "maxupd", NEXTARG, 0, setpfsync_maxupd }, /* giftunnel is for backward compat */ { "giftunnel", NEXTARG2, 0, NULL, settunnel } , { "tunnel", NEXTARG2, 0, NULL, settunnel } , { "deletetunnel", 0, 0, deletetunnel } , #if 0 /* XXX `create' special-cased below */ { "create", 0, 0, clone_create } , #endif { "destroy", 0, 0, clone_destroy } , { "link0", IFF_LINK0, 0, setifflags } , { "-link0", -IFF_LINK0, 0, setifflags } , { "link1", IFF_LINK1, 0, setifflags } , { "-link1", -IFF_LINK1, 0, setifflags } , { "link2", IFF_LINK2, 0, setifflags } , { "-link2", -IFF_LINK2, 0, setifflags } , { "media", NEXTARG, A_MEDIA, setmedia }, { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, { "instance", NEXTARG, A_MEDIAINST, setmediainst }, { "inst", NEXTARG, A_MEDIAINST, setmediainst }, { "timeslot", NEXTARG, 0, settimeslot }, { "description", NEXTARG, 0, setifdesc }, { "descr", NEXTARG, 0, setifdesc }, { NULL, /*src*/ 0, 0, setifaddr }, { NULL, /*dst*/ 0, 0, setifdstaddr }, { NULL, /*illegal*/0, 0, NULL }, }; int getinfo(struct ifreq *, int); void getsock(int); void printif(struct ifreq *, int); void printb(char *, unsigned short, char *); void status(int, struct sockaddr_dl *); void usage(void); const char *get_string(const char *, const char *, u_int8_t *, int *); void print_string(const u_int8_t *, int); char *sec2str(time_t); void list_cloners(void); const char *get_media_type_string(int); const char *get_media_subtype_string(int); int get_media_mode(int, const char *); int get_media_subtype(int, const char *); int get_media_options(int, const char *); int lookup_media_word(const struct ifmedia_description *, int, const char *); void print_media_word(int, int, int); void process_media_commands(void); void init_current_media(void); unsigned long get_ts_map(int ts_flag, int ts_start, int ts_stop); /* * XNS support liberally adapted from code written at the University of * Maryland principally by James O'Toole and Chris Torek. */ void in_status(int); void in_getaddr(const char *, int); void in_getprefix(const char *, int); #ifdef INET6 void in6_fillscopeid(struct sockaddr_in6 *sin6); void in6_alias(struct in6_ifreq *); void in6_status(int); void in6_getaddr(const char *, int); void in6_getprefix(const char *, int); #endif /* INET6 */ void at_status(int); void at_getaddr(const char *, int); void xns_status(int); void xns_getaddr(const char *, int); void ipx_status(int); void ipx_getaddr(const char *, int); void ieee80211_status(void); /* Known address families */ const struct afswtch { char *af_name; short af_af; void (*af_status)(int); void (*af_getaddr)(const char *, int); void (*af_getprefix)(const char *, int); u_long af_difaddr; u_long af_aifaddr; caddr_t af_ridreq; caddr_t af_addreq; } afs[] = { #define C(x) ((caddr_t) &x) { "inet", AF_INET, in_status, in_getaddr, in_getprefix, SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(in_addreq) }, #ifdef INET6 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, C(in6_ridreq), C(in6_addreq) }, #endif /* INET6 */ { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, SIOCDIFADDR, SIOCAIFADDR, C(addreq), C(addreq) }, { "ns", AF_NS, xns_status, xns_getaddr, NULL, SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, { "ipx", AF_IPX, ipx_status, ipx_getaddr, NULL, SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, { 0, 0, 0, 0 } }; const struct afswtch *afp; /*the address family being set or asked about*/ int main(int argc, char *argv[]) { const struct afswtch *rafp = NULL; int create = 0; int aflag = 0; int ifaliases = 0; int Cflag = 0; int i; if (argc < 2) usage(); argc--, argv++; if (!strcmp(*argv, "-a")) aflag = 1; else if (!strcmp(*argv, "-A")) { aflag = 1; ifaliases = 1; } else if (!strcmp(*argv, "-ma") || !strcmp(*argv, "-am")) { aflag = 1; mflag = 1; } else if (!strcmp(*argv, "-mA") || !strcmp(*argv, "-Am")) { aflag = 1; ifaliases = 1; mflag = 1; } else if (!strcmp(*argv, "-m")) { mflag = 1; argc--, argv++; if (argc < 1) usage(); if (strlcpy(name, *argv, sizeof(name)) >= IFNAMSIZ) errx(1, "interface name '%s' too long", *argv); } else if (!strcmp(*argv, "-C")) { Cflag = 1; } else if (strlcpy(name, *argv, sizeof(name)) >= IFNAMSIZ) errx(1, "interface name '%s' too long", *argv); argc--, argv++; if (argc > 0) { for (afp = rafp = afs; rafp->af_name; rafp++) if (strcmp(rafp->af_name, *argv) == 0) { afp = rafp; argc--; argv++; break; } rafp = afp; af = ifr.ifr_addr.sa_family = rafp->af_af; } if (Cflag) { if (argc > 0 || mflag || aflag) usage(); list_cloners(); exit(0); } if (aflag) { if (argc > 0) usage(); printif(NULL, ifaliases); exit(0); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); if (argc == 0) { printif(&ifr, 1); exit(0); } #ifdef INET6 /* initialization */ in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; #endif /* INET6 */ /* * NOTE: We must special-case the `create' command right * here as we would otherwise fail in getinfo(). */ if (argc > 0 && strcmp(argv[0], "create") == 0) { clone_create(argv[0], 0); argc--, argv++; if (argc == 0) exit(0); } create = (argc > 0) && strcmp(argv[0], "destroy") != 0; if (getinfo(&ifr, create) < 0) exit(1); while (argc > 0) { const struct cmd *p; for (p = cmds; p->c_name; p++) if (strcmp(*argv, p->c_name) == 0) break; if (p->c_name == 0 && setaddr) for (i = setaddr; i > 0; i--) { p++; if (p->c_func == NULL && p->c_func2) errx(1, "extra address not accepted"); } if (p->c_func || p->c_func2) { if (p->c_parameter == NEXTARG) { if (argv[1] == NULL) errx(1, "'%s' requires argument", p->c_name); (*p->c_func)(argv[1], 0); argc--, argv++; } else if (p->c_parameter == NEXTARG2) { if ((argv[1] == NULL) || (argv[2] == NULL)) errx(1, "'%s' requires 2 arguments", p->c_name); (*p->c_func2)(argv[1], argv[2]); argc -= 2; argv += 2; } else (*p->c_func)(*argv, p->c_parameter); actions |= p->c_action; } argc--, argv++; } /* Process any media commands that may have been issued. */ process_media_commands(); if (af == AF_INET6 && explicit_prefix == 0) { /* * Aggregatable address architecture defines all prefixes * are 64. So, it is convenient to set prefixlen to 64 if * it is not specified. */ setifprefixlen("64", 0); /* in6_getprefix("64", MASK) if MASK is available here... */ } switch (af) { case AF_NS: if (setipdst) { struct nsip_req rq; int size = sizeof(rq); rq.rq_ns = addreq.ifra_addr; rq.rq_ip = addreq.ifra_dstaddr; if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) warn("encapsulation routing"); } break; case AF_IPX: if (setipdst) { struct ipxip_req rq; int size = sizeof(rq); rq.rq_ipx = addreq.ifra_addr; rq.rq_ip = addreq.ifra_dstaddr; if (setsockopt(s, 0, SO_IPXIP_ROUTE, &rq, size) < 0) warn("encapsulation routing"); } break; case AF_APPLETALK: checkatrange((struct sockaddr_at *) &addreq.ifra_addr); break; } if (clearaddr) { int ret; (void) strlcpy(rafp->af_ridreq, name, sizeof(ifr.ifr_name)); if ((ret = ioctl(s, rafp->af_difaddr, rafp->af_ridreq)) < 0) { if (errno == EADDRNOTAVAIL && (doalias >= 0)) { /* means no previous address for interface */ } else err(1, "SIOCDIFADDR"); } } if (newaddr) { (void) strlcpy(rafp->af_addreq, name, sizeof(ifr.ifr_name)); if (ioctl(s, rafp->af_aifaddr, rafp->af_addreq) < 0) err(1, "SIOCAIFADDR"); } exit(0); } void getsock(int naf) { static int oaf = -1; if (oaf == naf) return; if (oaf != -1) close(s); s = socket(naf, SOCK_DGRAM, 0); if (s < 0) oaf = -1; else oaf = naf; } int getinfo(struct ifreq *ifr, int create) { getsock(af); if (s < 0) err(1, "socket"); if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { int oerrno = errno; if (!create) { warn("SIOCGIFFLAGS"); return (-1); } if (ioctl(s, SIOCIFCREATE, (caddr_t)ifr) < 0) { errno = oerrno; warn("SIOCGIFFLAGS"); return (-1); } if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { warn("SIOCGIFFLAGS"); return (-1); } } flags = ifr->ifr_flags; if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { warn("SIOCGIFMETRIC"); metric = 0; } else metric = ifr->ifr_metric; if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) mtu = 0; else mtu = ifr->ifr_mtu; return (0); } void printif(struct ifreq *ifrm, int ifaliases) { struct ifaddrs *ifap, *ifa; const char *namep; char *oname = NULL; struct ifreq *ifrp; int nlen, count = 0, noinet = 1; if (getifaddrs(&ifap) != 0) err(1, "getifaddrs"); if (ifrm) { oname = strdup(ifrm->ifr_name); if (oname == NULL) err(1, "strdup"); nlen = strlen(oname); } namep = NULL; for (ifa = ifap; ifa; ifa = ifa->ifa_next) { if (oname) { if (isdigit(oname[nlen - 1])) { /* must have exact match */ if (strcmp(oname, ifa->ifa_name) != 0) continue; } else { /* partial match OK if it ends w/ digit */ if (strncmp(oname, ifa->ifa_name, nlen) != 0 || !isdigit(ifa->ifa_name[nlen])) continue; } } (void) strlcpy(name, ifa->ifa_name, sizeof(name)); #ifdef INET6 /* quickhack: sizeof(ifr) < sizeof(ifr6) */ if (ifa->ifa_addr->sa_family == AF_INET6) { ifrp = (struct ifreq *)&ifr6; memset(&ifr6, 0, sizeof(ifr6)); } else { ifrp = 𝔦 memset(&ifr, 0, sizeof(ifr)); } #else /* INET6 */ ifrp = 𝔦 memset(&ifr, 0, sizeof(ifr)); #endif /* INET6 */ strlcpy(ifrp->ifr_name, ifa->ifa_name, sizeof(ifrp->ifr_name)); /* XXX boundary check? */ memcpy(&ifrp->ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); if (ifa->ifa_addr->sa_family == AF_LINK) { namep = ifa->ifa_name; if (getinfo(ifrp, 0) < 0) continue; status(1, (struct sockaddr_dl *)ifa->ifa_addr); count++; noinet = 1; continue; } if (!namep || !strcmp(namep, ifa->ifa_name)) { const struct afswtch *p; if (ifa->ifa_addr->sa_family == AF_INET && ifaliases == 0 && noinet == 0) continue; if ((p = afp) != NULL) { if (ifa->ifa_addr->sa_family == p->af_af) (*p->af_status)(1); } else { for (p = afs; p->af_name; p++) { if (ifa->ifa_addr->sa_family == p->af_af) (*p->af_status)(0); } } count++; if (ifa->ifa_addr->sa_family == AF_INET) noinet = 0; continue; } } freeifaddrs(ifap); if (oname != NULL) free(oname); if (count == 0) { fprintf(stderr, "%s: no such interface\n", name); exit(1); } } /*ARGSUSED*/ void clone_create(const char *addr, int param) { /* We're called early... */ getsock(AF_INET); (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); if (ioctl(s, SIOCIFCREATE, &ifr) == -1) err(1, "SIOCIFCREATE"); } /*ARGSUSED*/ void clone_destroy(const char *addr, int param) { (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) err(1, "SIOCIFDESTROY"); } void list_cloners(void) { struct if_clonereq ifcr; char *cp, *buf; int idx; memset(&ifcr, 0, sizeof(ifcr)); getsock(AF_INET); if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) err(1, "SIOCIFGCLONERS for count"); buf = malloc(ifcr.ifcr_total * IFNAMSIZ); if (buf == NULL) err(1, "unable to allocate cloner name buffer"); ifcr.ifcr_count = ifcr.ifcr_total; ifcr.ifcr_buffer = buf; if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) err(1, "SIOCIFGCLONERS for names"); /* * In case some disappeared in the mean time, clamp it down. */ if (ifcr.ifcr_count > ifcr.ifcr_total) ifcr.ifcr_count = ifcr.ifcr_total; for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { if (idx > 0) putchar(' '); printf("%s", cp); } putchar('\n'); free(buf); } #define RIDADDR 0 #define ADDR 1 #define MASK 2 #define DSTADDR 3 /*ARGSUSED*/ void setifaddr(const char *addr, int param) { /* * Delay the ioctl to set the interface addr until flags are all set. * The address interpretation may depend on the flags, * and the flags may change when the address is set. */ setaddr++; newaddr = 1; if (doalias == 0) clearaddr = 1; (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); } void settunnel(const char *src, const char *dst) { struct addrinfo hints, *srcres, *dstres; int ecode; struct if_laddrreq req; memset(&hints, 0, sizeof(hints)); hints.ai_family = afp->af_af; hints.ai_socktype = SOCK_DGRAM; /*dummy*/ if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) errx(1, "error in parsing address string: %s", gai_strerror(ecode)); if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) errx(1, "error in parsing address string: %s", gai_strerror(ecode)); if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) errx(1, "source and destination address families do not match"); if (srcres->ai_addrlen > sizeof(req.addr) || dstres->ai_addrlen > sizeof(req.dstaddr)) errx(1, "invalid sockaddr"); memset(&req, 0, sizeof(req)); (void) strlcpy(req.iflr_name, name, sizeof(req.iflr_name)); memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0) warn("SIOCSLIFPHYADDR"); freeaddrinfo(srcres); freeaddrinfo(dstres); } /* ARGSUSED */ void deletetunnel(const char *ignored, int alsoignored) { if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) warn("SIOCDIFPHYADDR"); } /* ARGSUSED */ void setifnetmask(const char *addr, int ignored) { (*afp->af_getaddr)(addr, MASK); } /* ARGSUSED */ void setifbroadaddr(const char *addr, int ignored) { (*afp->af_getaddr)(addr, DSTADDR); } /* ARGSUSED */ void setifdesc(const char *val, int ignored) { ifr.ifr_data = (caddr_t)val; if (ioctl(s, SIOCSIFDESCR, &ifr) < 0) warn("SIOCSIFDESCR"); } /* ARGSUSED */ void setifipdst(const char *addr, int ignored) { in_getaddr(addr, DSTADDR); setipdst++; clearaddr = 0; newaddr = 0; } #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) /*ARGSUSED*/ void notealias(const char *addr, int param) { if (setaddr && doalias == 0 && param < 0) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), rqtosa(af_addreq)->sa_len); doalias = param; if (param < 0) { clearaddr = 1; newaddr = 0; } else clearaddr = 0; } /*ARGSUSED*/ void notrailers(const char *vname, int value) { printf("Note: trailers are no longer sent, but always received\n"); } /*ARGSUSED*/ void setifdstaddr(const char *addr, int param) { setaddr++; (*afp->af_getaddr)(addr, DSTADDR); } /* * Note: doing an SIOCGIFFLAGS scribbles on the union portion * of the ifreq structure, which may confuse other parts of ifconfig. * Make a private copy so we can avoid that. */ /* ARGSUSED */ void setifflags(const char *vname, int value) { struct ifreq my_ifr; bcopy((char *)&ifr, (char *)&my_ifr, sizeof(struct ifreq)); if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0) err(1, "SIOCGIFFLAGS"); (void) strlcpy(my_ifr.ifr_name, name, sizeof(my_ifr.ifr_name)); flags = my_ifr.ifr_flags; if (value < 0) { value = -value; flags &= ~value; } else flags |= value; my_ifr.ifr_flags = flags; if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0) err(1, "SIOCSIFFLAGS"); } #ifdef INET6 void setia6flags(const char *vname, int value) { if (value < 0) { value = -value; in6_addreq.ifra_flags &= ~value; } else in6_addreq.ifra_flags |= value; } void setia6pltime(const char *val, int d) { setia6lifetime("pltime", val); } void setia6vltime(const char *val, int d) { setia6lifetime("vltime", val); } void setia6lifetime(const char *cmd, const char *val) { const char *errmsg = NULL; time_t newval, t; newval = strtonum(val, 0, 1000000, &errmsg); if (errmsg) errx(1, "invalid %s %s: %s", cmd, val, errmsg); t = time(NULL); if (afp->af_af != AF_INET6) errx(1, "%s not allowed for the AF", cmd); if (strcmp(cmd, "vltime") == 0) { in6_addreq.ifra_lifetime.ia6t_expire = t + newval; in6_addreq.ifra_lifetime.ia6t_vltime = newval; } else if (strcmp(cmd, "pltime") == 0) { in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; in6_addreq.ifra_lifetime.ia6t_pltime = newval; } } void setia6eui64(const char *cmd, int val) { struct ifaddrs *ifap, *ifa; const struct sockaddr_in6 *sin6 = NULL; const struct in6_addr *lladdr = NULL; struct in6_addr *in6; if (afp->af_af != AF_INET6) errx(1, "%s not allowed for the AF", cmd); in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) errx(1, "interface index is already filled"); if (getifaddrs(&ifap) != 0) err(1, "getifaddrs"); for (ifa = ifap; ifa; ifa = ifa->ifa_next) { if (ifa->ifa_addr->sa_family == AF_INET6 && strcmp(ifa->ifa_name, name) == 0) { sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { lladdr = &sin6->sin6_addr; break; } } } if (!lladdr) errx(1, "could not determine link local address"); memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); freeifaddrs(ifap); } #endif /* INET6 */ /* ARGSUSED */ void setifmetric(const char *val, int ignored) { const char *errmsg = NULL; (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_metric = strtonum(val, 0, INT_MAX, &errmsg); if (errmsg) errx(1, "metric %s: %s", val, errmsg); if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) warn("SIOCSIFMETRIC"); } /* ARGSUSED */ void setifmtu(const char *val, int d) { const char *errmsg = NULL; (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_mtu = strtonum(val, 0, INT_MAX, &errmsg); if (errmsg) errx(1, "mtu %s: %s", val, errmsg); if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) warn("SIOCSIFMTU"); } /* ARGSUSED */ void setifgroup(const char *group_name, int dummy) { struct ifgroupreq ifgr; memset(&ifgr, 0, sizeof(ifgr)); strlcpy(ifgr.ifgr_name, name, IFNAMSIZ); if (strlcpy(ifgr.ifgr_group, group_name, IFNAMSIZ) >= IFNAMSIZ) err(1, "setifgroup: group name too long"); if (ioctl(s, SIOCAIFGROUP, (caddr_t)&ifgr) == -1) err(1," SIOCAIFGROUP"); } /* ARGSUSED */ void unsetifgroup(const char *group_name, int dummy) { struct ifgroupreq ifgr; memset(&ifgr, 0, sizeof(ifgr)); strlcpy(ifgr.ifgr_name, name, IFNAMSIZ); if (strlcpy(ifgr.ifgr_group, group_name, IFNAMSIZ) >= IFNAMSIZ) err(1, "unsetifgroup: group name too long"); if (ioctl(s, SIOCDIFGROUP, (caddr_t)&ifgr) == -1) err(1, "SIOCDIFGROUP"); } const char * get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) { int len, hexstr; u_int8_t *p; len = *lenp; p = buf; hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); if (hexstr) val += 2; for (;;) { if (*val == '\0') break; if (sep != NULL && strchr(sep, *val) != NULL) { val++; break; } if (hexstr) { if (!isxdigit((u_char)val[0]) || !isxdigit((u_char)val[1])) { warnx("bad hexadecimal digits"); return NULL; } } if (p > buf + len) { if (hexstr) warnx("hexadecimal digits too long"); else warnx("strings too long"); return NULL; } if (hexstr) { #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) *p++ = (tohex((u_char)val[0]) << 4) | tohex((u_char)val[1]); #undef tohex val += 2; } else { if (*val == '\\' && sep != NULL && strchr(sep, *(val + 1)) != NULL) val++; *p++ = *val++; } } len = p - buf; if (len < *lenp) memset(p, 0, *lenp - len); *lenp = len; return val; } void print_string(const u_int8_t *buf, int len) { int i; int hasspc; i = 0; hasspc = 0; if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { for (; i < len; i++) { /* Only print 7-bit ASCII keys */ if (buf[i] & 0x80 || !isprint(buf[i])) break; if (isspace(buf[i])) hasspc++; } } if (i == len) { if (hasspc || len == 0) printf("\"%.*s\"", len, buf); else printf("%.*s", len, buf); } else { printf("0x"); for (i = 0; i < len; i++) printf("%02x", buf[i]); } } /* ARGSUSED */ void setifnwid(const char *val, int d) { struct ieee80211_nwid nwid; int len; len = sizeof(nwid.i_nwid); if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) return; nwid.i_len = len; (void)strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_data = (caddr_t)&nwid; if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) warn("SIOCS80211NWID"); } void setifbssid(const char *val, int d) { struct ieee80211_bssid bssid; struct ether_addr *ea; if (d != 0) { /* no BSSID is especially desired */ memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); } else { ea = ether_aton((char*)val); if (ea == NULL) { warnx("malformed BSSID: %s", val); return; } memcpy(&bssid.i_bssid, ea->ether_addr_octet, sizeof(bssid.i_bssid)); } strlcpy(bssid.i_name, name, sizeof(bssid.i_name)); if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) warn("SIOCS80211BSSID"); } void setifnwkey(const char *val, int d) { int i, len; char *cp = NULL; struct ieee80211_nwkey nwkey; u_int8_t keybuf[IEEE80211_WEP_NKID][16]; nwkey.i_wepon = IEEE80211_NWKEY_WEP; nwkey.i_defkid = 1; if (d == -1) { /* disable WEP encryption */ nwkey.i_wepon = 0; i = 0; } else if (strcasecmp("persist", val) == 0) { /* use all values from persistent memory */ nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; nwkey.i_defkid = 0; for (i = 0; i < IEEE80211_WEP_NKID; i++) nwkey.i_key[i].i_keylen = -1; } else if (strncasecmp("persist:", val, 8) == 0) { val += 8; /* program keys in persistent memory */ nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; goto set_nwkey; } else { set_nwkey: if (isdigit(val[0]) && val[1] == ':') { /* specifying a full set of four keys */ nwkey.i_defkid = val[0] - '0'; val += 2; for (i = 0; i < IEEE80211_WEP_NKID; i++) { len = sizeof(keybuf[i]); val = get_string(val, ",", keybuf[i], &len); if (val == NULL) return; nwkey.i_key[i].i_keylen = len; nwkey.i_key[i].i_keydat = keybuf[i]; } if (cp != NULL) { warnx("SIOCS80211NWKEY: too many keys."); return; } } else { len = sizeof(keybuf[i]); val = get_string(val, NULL, keybuf[0], &len); if (val == NULL) return; nwkey.i_key[0].i_keylen = len; nwkey.i_key[0].i_keydat = keybuf[0]; i = 1; } } /* zero out any unset keys */ for (; i < IEEE80211_WEP_NKID; i++) { nwkey.i_key[i].i_keylen = 0; nwkey.i_key[i].i_keydat = NULL; } (void)strlcpy(nwkey.i_name, name, sizeof(nwkey.i_name)); if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) warn("SIOCS80211NWKEY"); } void setifchan(const char *val, int d) { struct ieee80211chanreq channel; int chan; if (d != 0) chan = IEEE80211_CHAN_ANY; else { chan = atoi(val); if (chan < 0 || chan > 0xffff) { warnx("invalid channel: %s", val); return; } } strlcpy(channel.i_name, name, sizeof(channel.i_name)); channel.i_channel = (u_int16_t)chan; if (ioctl(s, SIOCS80211CHANNEL, (caddr_t)&channel) == -1) warn("SIOCS80211CHANNEL"); } /* ARGSUSED */ void setifpowersave(const char *val, int d) { struct ieee80211_power power; (void)strlcpy(power.i_name, name, sizeof(power.i_name)); if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { warn("SIOCG80211POWER"); return; } power.i_enabled = d; if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) warn("SIOCS80211POWER"); } /* ARGSUSED */ void setifpowersavesleep(const char *val, int d) { struct ieee80211_power power; const char *errmsg = NULL; (void)strlcpy(power.i_name, name, sizeof(power.i_name)); if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { warn("SIOCG80211POWER"); return; } power.i_maxsleep = strtonum(val, 0, INT_MAX, &errmsg); if (errmsg) errx(1, "powersavesleep %s: %s", val, errmsg); if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) warn("SIOCS80211POWER"); } void ieee80211_status(void) { int len, i, nwkey_verbose, inwid, inwkey, ichan, ipwr, ibssid; struct ieee80211_nwid nwid; struct ieee80211_nwkey nwkey; struct ieee80211_power power; struct ieee80211chanreq channel; struct ieee80211_bssid bssid; u_int8_t zero_bssid[IEEE80211_ADDR_LEN]; u_int8_t keybuf[IEEE80211_WEP_NKID][16]; struct ether_addr ea; /* get current status via ioctls */ memset(&ifr, 0, sizeof(ifr)); ifr.ifr_data = (caddr_t)&nwid; strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); inwid = ioctl(s, SIOCG80211NWID, (caddr_t)&ifr); memset(&nwkey, 0, sizeof(nwkey)); strlcpy(nwkey.i_name, name, sizeof(nwkey.i_name)); inwkey = ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey); memset(&power, 0, sizeof(power)); strlcpy(power.i_name, name, sizeof(power.i_name)); ipwr = ioctl(s, SIOCG80211POWER, &power); memset(&channel, 0, sizeof(channel)); strlcpy(channel.i_name, name, sizeof(channel.i_name)); ichan = ioctl(s, SIOCG80211CHANNEL, (caddr_t)&channel); memset(&bssid, 0, sizeof(bssid)); strlcpy(bssid.i_name, name, sizeof(bssid.i_name)); ibssid = ioctl(s, SIOCG80211BSSID, &bssid); /* check if any ieee80211 option is active */ if (inwid == 0 || inwkey == 0 || ipwr == 0 || ichan == 0 || ibssid == 0) fputs("\tieee80211: ", stdout); else return; if (inwid == 0) { /* nwid.i_nwid is not NUL terminated. */ len = nwid.i_len; if (len > IEEE80211_NWID_LEN) len = IEEE80211_NWID_LEN; fputs("nwid ", stdout); print_string(nwid.i_nwid, nwid.i_len); putchar(' '); } if (ichan == 0 && channel.i_channel != 0 && channel.i_channel != (u_int16_t)-1) printf("chan %u ", channel.i_channel); memset(&zero_bssid, 0, sizeof(zero_bssid)); if (ibssid == 0 && memcmp(bssid.i_bssid, zero_bssid, IEEE80211_ADDR_LEN) != 0) { memcpy(&ea.ether_addr_octet, bssid.i_bssid, sizeof(ea.ether_addr_octet)); printf("bssid %s ", ether_ntoa(&ea)); } if (inwkey == 0 && nwkey.i_wepon > 0) { fputs("nwkey ", stdout); /* try to retrieve WEP keys */ for (i = 0; i < IEEE80211_WEP_NKID; i++) { nwkey.i_key[i].i_keydat = keybuf[i]; nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); } if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { fputs(" ", stdout); } else { nwkey_verbose = 0; /* check to see non default key or multiple keys defined */ if (nwkey.i_defkid != 1) { nwkey_verbose = 1; } else { for (i = 1; i < IEEE80211_WEP_NKID; i++) { if (nwkey.i_key[i].i_keylen != 0) { nwkey_verbose = 1; break; } } } /* check extra ambiguity with keywords */ if (!nwkey_verbose) { if (nwkey.i_key[0].i_keylen >= 2 && isdigit(nwkey.i_key[0].i_keydat[0]) && nwkey.i_key[0].i_keydat[1] == ':') nwkey_verbose = 1; else if (nwkey.i_key[0].i_keylen >= 7 && strncasecmp("persist", (char *)nwkey.i_key[0].i_keydat, 7) == 0) nwkey_verbose = 1; } if (nwkey_verbose) printf("%d:", nwkey.i_defkid); for (i = 0; i < IEEE80211_WEP_NKID; i++) { if (i > 0) putchar(','); if (nwkey.i_key[i].i_keylen < 0) { fputs("persist", stdout); } else { /* XXX - sanity check nwkey.i_key[i].i_keylen */ print_string(nwkey.i_key[i].i_keydat, nwkey.i_key[i].i_keylen); } if (!nwkey_verbose) break; } putchar(' '); } } if (ipwr == 0 && power.i_enabled) printf("powersave on (%dms sleep) ", power.i_maxsleep); putchar('\n'); } void init_current_media(void) { struct ifmediareq ifmr; /* * If we have not yet done so, grab the currently-selected * media. */ if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { (void) memset(&ifmr, 0, sizeof(ifmr)); (void) strlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { /* * If we get E2BIG, the kernel is telling us * that there are more, so we can ignore it. */ if (errno != E2BIG) err(1, "SGIOCGIFMEDIA"); } media_current = ifmr.ifm_current; } /* Sanity. */ if (IFM_TYPE(media_current) == 0) errx(1, "%s: no link type?", name); } void process_media_commands(void) { if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { /* Nothing to do. */ return; } /* * Media already set up, and commands sanity-checked. Set/clear * any options, and we're ready to go. */ media_current |= mediaopt_set; media_current &= ~mediaopt_clear; (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_media = media_current; if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) err(1, "SIOCSIFMEDIA"); } /* ARGSUSED */ void setmedia(const char *val, int d) { int type, subtype, inst; init_current_media(); /* Only one media command may be given. */ if (actions & A_MEDIA) errx(1, "only one `media' command may be issued"); /* Must not come after mode commands */ if (actions & A_MEDIAMODE) errx(1, "may not issue `media' after `mode' commands"); /* Must not come after mediaopt commands */ if (actions & A_MEDIAOPT) errx(1, "may not issue `media' after `mediaopt' commands"); /* * No need to check if `instance' has been issued; setmediainst() * craps out if `media' has not been specified. */ type = IFM_TYPE(media_current); inst = IFM_INST(media_current); /* Look up the subtype. */ subtype = get_media_subtype(type, val); /* Build the new current media word. */ media_current = IFM_MAKEWORD(type, subtype, 0, inst); /* Media will be set after other processing is complete. */ } /* ARGSUSED */ void setmediamode(const char *val, int d) { int type, subtype, options, inst, mode; init_current_media(); /* Can only issue `mode' once. */ if (actions & A_MEDIAMODE) errx(1, "only one `mode' command may be issued"); type = IFM_TYPE(media_current); subtype = IFM_SUBTYPE(media_current); options = IFM_OPTIONS(media_current); inst = IFM_INST(media_current); if ((mode = get_media_mode(type, val)) == -1) errx(1, "invalid media mode: %s", val); media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; /* Media will be set after other processing is complete. */ } void setmediaopt(const char *val, int d) { init_current_media(); /* Can only issue `mediaopt' once. */ if (actions & A_MEDIAOPTSET) errx(1, "only one `mediaopt' command may be issued"); /* Can't issue `mediaopt' if `instance' has already been issued. */ if (actions & A_MEDIAINST) errx(1, "may not issue `mediaopt' after `instance'"); mediaopt_set = get_media_options(IFM_TYPE(media_current), val); /* Media will be set after other processing is complete. */ } /* ARGSUSED */ void unsetmediaopt(const char *val, int d) { init_current_media(); /* Can only issue `-mediaopt' once. */ if (actions & A_MEDIAOPTCLR) errx(1, "only one `-mediaopt' command may be issued"); /* May not issue `media' and `-mediaopt'. */ if (actions & A_MEDIA) errx(1, "may not issue both `media' and `-mediaopt'"); /* * No need to check for A_MEDIAINST, since the test for A_MEDIA * implicitly checks for A_MEDIAINST. */ mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); /* Media will be set after other processing is complete. */ } /* ARGSUSED */ void setmediainst(const char *val, int d) { int type, subtype, options, inst; const char *errmsg = NULL; init_current_media(); /* Can only issue `instance' once. */ if (actions & A_MEDIAINST) errx(1, "only one `instance' command may be issued"); /* Must have already specified `media' */ if ((actions & A_MEDIA) == 0) errx(1, "must specify `media' before `instance'"); type = IFM_TYPE(media_current); subtype = IFM_SUBTYPE(media_current); options = IFM_OPTIONS(media_current); inst = strtonum(val, 0, IFM_INST_MAX, &errmsg); if (errmsg) errx(1, "media instance %s: %s", val, errmsg); media_current = IFM_MAKEWORD(type, subtype, options, inst); /* Media will be set after other processing is complete. */ } /* ARGSUSED */ void settimeslot(const char *val, int d) { #define SINGLE_CHANNEL 0x1 #define RANGE_CHANNEL 0x2 #define ALL_CHANNELS 0xFFFFFFFF unsigned long ts_map = 0; char *ptr = (char*)val; int ts_flag = 0; int ts = 0, ts_start = 0; if (strcmp(val,"all") == 0) { ts_map = ALL_CHANNELS; } else { while (*ptr != '\0') { if (isdigit(*ptr)) { ts = strtoul(ptr, &ptr, 10); ts_flag |= SINGLE_CHANNEL; } else { if (*ptr == '-') { ts_flag |= RANGE_CHANNEL; ts_start = ts; } else { ts_map |= get_ts_map(ts_flag, ts_start, ts); ts_flag = 0; } ptr++; } } if (ts_flag) ts_map |= get_ts_map(ts_flag, ts_start, ts); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_data = (caddr_t)&ts_map; if (ioctl(s, SIOCSIFTIMESLOT, (caddr_t)&ifr) < 0) err(1, "SIOCSIFTIMESLOT"); } unsigned long get_ts_map(int ts_flag, int ts_start, int ts_stop) { int i = 0; unsigned long map = 0, mask = 0; if ((ts_flag & (SINGLE_CHANNEL | RANGE_CHANNEL)) == 0) return 0; if (ts_flag & RANGE_CHANNEL) { /* Range of channels */ for(i = ts_start; i <= ts_stop; i++) { mask = 1 << (i - 1); map |=mask; } } else { /* Single channel */ mask = 1 << (ts_stop - 1); map |= mask; } return map; } const struct ifmedia_description ifm_type_descriptions[] = IFM_TYPE_DESCRIPTIONS; const struct ifmedia_description ifm_subtype_descriptions[] = IFM_SUBTYPE_DESCRIPTIONS; struct ifmedia_description ifm_mode_descriptions[] = IFM_MODE_DESCRIPTIONS; const struct ifmedia_description ifm_option_descriptions[] = IFM_OPTION_DESCRIPTIONS; const char * get_media_type_string(int mword) { const struct ifmedia_description *desc; for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) { if (IFM_TYPE(mword) == desc->ifmt_word) return (desc->ifmt_string); } return (""); } const char * get_media_subtype_string(int mword) { const struct ifmedia_description *desc; for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; desc++) { if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) return (desc->ifmt_string); } return (""); } int get_media_subtype(int type, const char *val) { int rval; rval = lookup_media_word(ifm_subtype_descriptions, type, val); if (rval == -1) errx(1, "unknown %s media subtype: %s", get_media_type_string(type), val); return (rval); } int get_media_mode(int type, const char *val) { int rval; rval = lookup_media_word(ifm_mode_descriptions, type, val); if (rval == -1) errx(1, "unknown %s media mode: %s", get_media_type_string(type), val); return (rval); } int get_media_options(int type, const char *val) { char *optlist, *str; int option, rval = 0; /* We muck with the string, so copy it. */ optlist = strdup(val); if (optlist == NULL) err(1, "strdup"); str = optlist; /* * Look up the options in the user-provided comma-separated list. */ for (; (str = strtok(str, ",")) != NULL; str = NULL) { option = lookup_media_word(ifm_option_descriptions, type, str); if (option == -1) errx(1, "unknown %s media option: %s", get_media_type_string(type), str); rval |= IFM_OPTIONS(option); } free(optlist); return (rval); } int lookup_media_word(const struct ifmedia_description *desc, int type, const char *val) { for (; desc->ifmt_string != NULL; desc++) { if (IFM_TYPE_MATCH(desc->ifmt_word, type) && strcasecmp(desc->ifmt_string, val) == 0) return (desc->ifmt_word); } return (-1); } void print_media_word(int ifmw, int print_type, int as_syntax) { const struct ifmedia_description *desc; int seen_option = 0; if (print_type) printf("%s ", get_media_type_string(ifmw)); printf("%s%s", as_syntax ? "media " : "", get_media_subtype_string(ifmw)); /* Find mode. */ if (IFM_MODE(ifmw) != 0) { for (desc = ifm_mode_descriptions; desc->ifmt_string != NULL; desc++) { if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && IFM_MODE(ifmw) == IFM_MODE(desc->ifmt_word)) { printf(" mode %s", desc->ifmt_string); break; } } } /* Find options. */ for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; desc++) { if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && (IFM_OPTIONS(ifmw) & IFM_OPTIONS(desc->ifmt_word)) != 0 && (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { if (seen_option == 0) printf(" %s", as_syntax ? "mediaopt " : ""); printf("%s%s", seen_option ? "," : "", desc->ifmt_string); seen_option |= IFM_OPTIONS(desc->ifmt_word); } } if (IFM_INST(ifmw) != 0) printf(" instance %d", IFM_INST(ifmw)); } #define IFFBITS \ "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" /* ARGSUSED */ static void phys_status(int force) { char psrcaddr[NI_MAXHOST]; char pdstaddr[NI_MAXHOST]; const char *ver = ""; const int niflag = NI_NUMERICHOST; struct if_laddrreq req; psrcaddr[0] = pdstaddr[0] = '\0'; memset(&req, 0, sizeof(req)); (void) strlcpy(req.iflr_name, name, sizeof(req.iflr_name)); if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) return; #ifdef INET6 if (req.addr.ss_family == AF_INET6) in6_fillscopeid((struct sockaddr_in6 *)&req.addr); #endif /* INET6 */ getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, psrcaddr, sizeof(psrcaddr), 0, 0, niflag); #ifdef INET6 if (req.addr.ss_family == AF_INET6) ver = "6"; #endif /* INET6 */ #ifdef INET6 if (req.dstaddr.ss_family == AF_INET6) in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); #endif /* INET6 */ getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, pdstaddr, sizeof(pdstaddr), 0, 0, niflag); printf("\tphysical address inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); } const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; const struct ifmedia_status_description ifm_status_descriptions[] = IFM_STATUS_DESCRIPTIONS; /* * Print the status of the interface. If an address family was * specified, show it and it only; otherwise, show them all. */ void status(int link, struct sockaddr_dl *sdl) { const struct afswtch *p = afp; struct ifmediareq ifmr; struct ifreq ifrdesc; int *media_list, i; char *ifdescr[IFDESCRSIZE]; printf("%s: ", name); printb("flags", flags, IFFBITS); if (metric) printf(" metric %lu", metric); if (mtu) printf(" mtu %lu", mtu); putchar('\n'); if (sdl != NULL && sdl->sdl_type == IFT_ETHER && sdl->sdl_alen) (void)printf("\taddress: %s\n", ether_ntoa( (struct ether_addr *)LLADDR(sdl))); (void) memset(&ifrdesc, 0, sizeof(ifrdesc)); (void) strlcpy(ifrdesc.ifr_name, name, sizeof(ifrdesc.ifr_name)); ifrdesc.ifr_data = (caddr_t)&ifdescr; if (ioctl(s, SIOCGIFDESCR, &ifrdesc) == 0 && strlen(ifrdesc.ifr_data)) printf("\tdescription: %s\n", ifrdesc.ifr_data); vlan_status(); carp_status(); pfsync_status(); ieee80211_status(); getifgroups(); (void) memset(&ifmr, 0, sizeof(ifmr)); (void) strlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { /* * Interface doesn't support SIOC{G,S}IFMEDIA. */ goto proto_status; } if (ifmr.ifm_count == 0) { warnx("%s: no media types?", name); goto proto_status; } media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); if (media_list == NULL) err(1, "malloc"); ifmr.ifm_ulist = media_list; if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) err(1, "SIOCGIFMEDIA"); printf("\tmedia: "); print_media_word(ifmr.ifm_current, 1, 0); if (ifmr.ifm_active != ifmr.ifm_current) { putchar(' '); putchar('('); print_media_word(ifmr.ifm_active, 0, 0); putchar(')'); } putchar('\n'); if (ifmr.ifm_status & IFM_AVALID) { const struct ifmedia_status_description *ifms; int bitno, found = 0; printf("\tstatus: "); for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { for (ifms = ifm_status_descriptions; ifms->ifms_valid != 0; ifms++) { if (ifms->ifms_type != IFM_TYPE(ifmr.ifm_current) || ifms->ifms_valid != ifm_status_valid_list[bitno]) continue; printf("%s%s", found ? ", " : "", IFM_STATUS_DESC(ifms, ifmr.ifm_status)); found = 1; /* * For each valid indicator bit, there's * only one entry for each media type, so * terminate the inner loop now. */ break; } } if (found == 0) printf("unknown"); putchar('\n'); } if (mflag) { int type, printed_type = 0; for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { if (IFM_TYPE(media_list[i]) == type) { if (printed_type == 0) { printf("\tsupported media:\n"); printed_type = 1; } printf("\t\t"); print_media_word(media_list[i], 0, 1); printf("\n"); } } } } free(media_list); proto_status: if (link == 0) { if ((p = afp) != NULL) { (*p->af_status)(1); } else for (p = afs; p->af_name; p++) { ifr.ifr_addr.sa_family = p->af_af; (*p->af_status)(0); } } phys_status(0); } /* ARGSUSED */ void in_status(int force) { struct sockaddr_in *sin, sin2; getsock(AF_INET); if (s < 0) { if (errno == EPROTONOSUPPORT) return; err(1, "socket"); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); sin = (struct sockaddr_in *)&ifr.ifr_addr; /* * We keep the interface address and reset it before each * ioctl() so we can get ifaliases information (as opposed * to the primary interface netmask/dstaddr/broadaddr, if * the ifr_addr field is zero). */ memcpy(&sin2, &ifr.ifr_addr, sizeof(sin2)); printf("\tinet %s ", inet_ntoa(sin->sin_addr)); (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) { if (errno != EADDRNOTAVAIL) warn("SIOCGIFNETMASK"); memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); } else netmask.sin_addr = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr; if (flags & IFF_POINTOPOINT) { memcpy(&ifr.ifr_addr, &sin2, sizeof(sin2)); if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { if (errno == EADDRNOTAVAIL) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); else warn("SIOCGIFDSTADDR"); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); sin = (struct sockaddr_in *)&ifr.ifr_dstaddr; printf("--> %s ", inet_ntoa(sin->sin_addr)); } printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr)); if (flags & IFF_BROADCAST) { memcpy(&ifr.ifr_addr, &sin2, sizeof(sin2)); if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) { if (errno == EADDRNOTAVAIL) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); else warn("SIOCGIFBRDADDR"); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); sin = (struct sockaddr_in *)&ifr.ifr_addr; if (sin->sin_addr.s_addr != 0) printf("broadcast %s", inet_ntoa(sin->sin_addr)); } putchar('\n'); } /* ARGSUSED */ void setifprefixlen(const char *addr, int d) { if (*afp->af_getprefix) (*afp->af_getprefix)(addr, MASK); explicit_prefix = 1; } #ifdef INET6 void in6_fillscopeid(struct sockaddr_in6 *sin6) { #if defined(__KAME__) && defined(KAME_SCOPEID) if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { sin6->sin6_scope_id = ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; } #endif /* __KAME__ && KAME_SCOPEID */ } /* XXX not really an alias */ void in6_alias(struct in6_ifreq *creq) { struct sockaddr_in6 *sin6; struct in6_ifreq ifr6; /* shadows file static variable */ u_int32_t scopeid; char hbuf[NI_MAXHOST]; const int niflag = NI_NUMERICHOST; /* Get the non-alias address for this interface. */ getsock(AF_INET6); if (s < 0) { if (errno == EPROTONOSUPPORT) return; err(1, "socket"); } sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; in6_fillscopeid(sin6); scopeid = sin6->sin6_scope_id; if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) strlcpy(hbuf, "", sizeof hbuf); printf("\tinet6 %s", hbuf); if (flags & IFF_POINTOPOINT) { (void) memset(&ifr6, 0, sizeof(ifr6)); (void) strlcpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); ifr6.ifr_addr = creq->ifr_addr; if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { if (errno != EADDRNOTAVAIL) warn("SIOCGIFDSTADDR_IN6"); (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); ifr6.ifr_addr.sin6_family = AF_INET6; ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); } sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; in6_fillscopeid(sin6); if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) strlcpy(hbuf, "", sizeof hbuf); printf(" -> %s", hbuf); } (void) memset(&ifr6, 0, sizeof(ifr6)); (void) strlcpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); ifr6.ifr_addr = creq->ifr_addr; if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { if (errno != EADDRNOTAVAIL) warn("SIOCGIFNETMASK_IN6"); } else { sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; printf(" prefixlen %d", prefix(&sin6->sin6_addr, sizeof(struct in6_addr))); } (void) memset(&ifr6, 0, sizeof(ifr6)); (void) strlcpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); ifr6.ifr_addr = creq->ifr_addr; if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { if (errno != EADDRNOTAVAIL) warn("SIOCGIFAFLAG_IN6"); } else { if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) printf(" anycast"); if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) printf(" tentative"); if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) printf(" duplicated"); if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) printf(" detached"); if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) printf(" deprecated"); } if (scopeid) printf(" scopeid 0x%x", scopeid); if (Lflag) { struct in6_addrlifetime *lifetime; (void) memset(&ifr6, 0, sizeof(ifr6)); (void) strlcpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); ifr6.ifr_addr = creq->ifr_addr; lifetime = &ifr6.ifr_ifru.ifru_lifetime; if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { if (errno != EADDRNOTAVAIL) warn("SIOCGIFALIFETIME_IN6"); } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { time_t t = time(NULL); printf(" pltime "); if (lifetime->ia6t_preferred) { printf("%s", lifetime->ia6t_preferred < t ? "0" : sec2str(lifetime->ia6t_preferred - t)); } else printf("infty"); printf(" vltime "); if (lifetime->ia6t_expire) { printf("%s", lifetime->ia6t_expire < t ? "0" : sec2str(lifetime->ia6t_expire - t)); } else printf("infty"); } } printf("\n"); } void in6_status(int force) { in6_alias((struct in6_ifreq *)&ifr6); } #endif /*INET6*/ void at_status(int force) { struct sockaddr_at *sat, null_sat; struct netrange *nr; getsock(AF_APPLETALK); if (s < 0) { if (errno == EPROTONOSUPPORT) return; err(1, "socket"); } (void) memset(&ifr, 0, sizeof(ifr)); (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { if (!force) return; (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); } else warn("SIOCGIFADDR"); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); sat = (struct sockaddr_at *)&ifr.ifr_addr; (void) memset(&null_sat, 0, sizeof(null_sat)); nr = (struct netrange *) &sat->sat_zero; printf("\tAppleTalk %d.%d range %d-%d phase %d", ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); if (flags & IFF_POINTOPOINT) { if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { if (errno == EADDRNOTAVAIL) (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); else warn("SIOCGIFDSTADDR"); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; if (!sat) sat = &null_sat; printf("--> %d.%d", ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); } if (flags & IFF_BROADCAST) { /* note RTAX_BRD overlap with IFF_POINTOPOINT */ sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; if (sat) printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); } putchar('\n'); } void xns_status(int force) { struct sockaddr_ns *sns; getsock(AF_NS); if (s < 0) { if (errno == EPROTONOSUPPORT) return; err(1, "socket"); } memset(&ifr, 0, sizeof(ifr)); (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { if (!force) return; memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); } else warn("SIOCGIFADDR"); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); sns = (struct sockaddr_ns *)&ifr.ifr_addr; printf("\tns %s ", ns_ntoa(sns->sns_addr)); if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { if (errno == EADDRNOTAVAIL) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); else warn("SIOCGIFDSTADDR"); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; printf("--> %s ", ns_ntoa(sns->sns_addr)); } putchar('\n'); } /* ARGSUSED */ void setipxframetype(const char *vname, int type) { struct sockaddr_ipx *sipx; ipx_type = type; getsock(AF_IPX); if (s < 0) { if (errno == EPROTONOSUPPORT) return; err(1, "socket"); } memset(&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); sipx = (struct sockaddr_ipx *)&addreq.ifra_addr; sipx->sipx_type = ipx_type; } void ipx_status(int force) { struct sockaddr_ipx *sipx; struct frame_types { int type; char *name; } *p, frames[] = { { IPX_ETHERTYPE_8022, "802.2" }, { IPX_ETHERTYPE_8022TR, "802.2tr" }, { IPX_ETHERTYPE_8023, "802.3" }, { IPX_ETHERTYPE_SNAP, "SNAP" }, { IPX_ETHERTYPE_II, "EtherII" }, { 0, NULL } }; getsock(AF_IPX); if (s < 0) { if (errno == EPROTONOSUPPORT) return; err(1, "socket"); } memset(&ifr, 0, sizeof(ifr)); (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { if (!force) return; memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); } else warn("SIOCGIFADDR"); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); sipx = (struct sockaddr_ipx *)&ifr.ifr_addr; printf("\tipx %s ", ipx_ntoa(sipx->sipx_addr)); if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { if (errno == EADDRNOTAVAIL) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); else warn("SIOCGIFDSTADDR"); } (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); sipx = (struct sockaddr_ipx *)&ifr.ifr_dstaddr; printf("--> %s ", ipx_ntoa(sipx->sipx_addr)); } for (p = frames; p->name && p->type != sipx->sipx_type; p++) ; if (p->name != NULL) printf("frame %s ", p->name); putchar('\n'); } #define SIN(x) ((struct sockaddr_in *) &(x)) struct sockaddr_in *sintab[] = { SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; void in_getaddr(const char *s, int which) { struct sockaddr_in *sin = sintab[which]; struct hostent *hp; struct netent *np; sin->sin_len = sizeof(*sin); if (which != MASK) sin->sin_family = AF_INET; if (inet_aton(s, &sin->sin_addr) == 0) { if ((hp = gethostbyname(s))) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); else if ((np = getnetbyname(s))) sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); else errx(1, "%s: bad value", s); } } /* ARGSUSED */ void in_getprefix(const char *plen, int which) { struct sockaddr_in *sin = sintab[which]; const char *errmsg = NULL; u_char *cp; int len; len = strtonum(plen, 0, 32, &errmsg); if (errmsg) errx(1, "prefix %s: %s", plen, errmsg); sin->sin_len = sizeof(*sin); if (which != MASK) sin->sin_family = AF_INET; if ((len == 0) || (len == 32)) { memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); return; } memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) *cp++ = 0xff; if (len) *cp = 0xff << (8 - len); } /* * Print a value a la the %b format of the kernel's printf */ void printb(char *s, unsigned short v, char *bits) { int i, any = 0; char c; if (bits && *bits == 8) printf("%s=%o", s, v); else printf("%s=%x", s, v); bits++; if (bits) { putchar('<'); while ((i = *bits++)) { if (v & (1 << (i-1))) { if (any) putchar(','); any = 1; for (; (c = *bits) > 32; bits++) putchar(c); } else for (; *bits > 32; bits++) ; } putchar('>'); } } #ifdef INET6 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) struct sockaddr_in6 *sin6tab[] = { SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; void in6_getaddr(const char *s, int which) { #ifndef KAME_SCOPEID struct sockaddr_in6 *sin6 = sin6tab[which]; sin6->sin6_len = sizeof(*sin6); if (which != MASK) sin6->sin6_family = AF_INET6; if (inet_pton(AF_INET6, s, &sin6->sin6_addr) != 1) errx(1, "%s: bad value", s); #else /* KAME_SCOPEID */ struct sockaddr_in6 *sin6 = sin6tab[which]; struct addrinfo hints, *res; int error; memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_INET6; hints.ai_socktype = SOCK_DGRAM; /*dummy*/ error = getaddrinfo(s, "0", &hints, &res); if (error) errx(1, "%s: %s", s, gai_strerror(error)); if (res->ai_addrlen != sizeof(struct sockaddr_in6)) errx(1, "%s: bad value", s); memcpy(sin6, res->ai_addr, res->ai_addrlen); #ifdef __KAME__ if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] == 0 && sin6->sin6_scope_id) { *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = htons(sin6->sin6_scope_id & 0xffff); sin6->sin6_scope_id = 0; } #endif /* __KAME__ */ freeaddrinfo(res); #endif /* KAME_SCOPEID */ } void in6_getprefix(const char *plen, int which) { struct sockaddr_in6 *sin6 = sin6tab[which]; const char *errmsg = NULL; u_char *cp; int len; len = strtonum(plen, 0, 128, &errmsg); if (errmsg) errx(1, "prefix %s: %s", plen, errmsg); sin6->sin6_len = sizeof(*sin6); if (which != MASK) sin6->sin6_family = AF_INET6; if ((len == 0) || (len == 128)) { memset(&sin6->sin6_addr, 0xff, sizeof(struct in6_addr)); return; } memset((void *)&sin6->sin6_addr, 0x00, sizeof(sin6->sin6_addr)); for (cp = (u_char *)&sin6->sin6_addr; len > 7; len -= 8) *cp++ = 0xff; if (len) *cp = 0xff << (8 - len); } int prefix(void *val, int size) { u_char *name = (u_char *)val; int byte, bit, plen = 0; for (byte = 0; byte < size; byte++, plen += 8) if (name[byte] != 0xff) break; if (byte == size) return (plen); for (bit = 7; bit != 0; bit--, plen++) if (!(name[byte] & (1 << bit))) break; for (; bit != 0; bit--) if (name[byte] & (1 << bit)) return(0); byte++; for (; byte < size; byte++) if (name[byte]) return(0); return (plen); } #endif /*INET6*/ void at_getaddr(const char *addr, int which) { struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; u_int net, node; sat->sat_family = AF_APPLETALK; sat->sat_len = sizeof(*sat); if (which == MASK) errx(1, "AppleTalk does not use netmasks"); if (sscanf(addr, "%u.%u", &net, &node) != 2 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) errx(1, "%s: illegal address", addr); sat->sat_addr.s_net = htons(net); sat->sat_addr.s_node = node; } /* ARGSUSED */ void setatrange(const char *range, int d) { u_int first = 123, last = 123; if (sscanf(range, "%u-%u", &first, &last) != 2 || first == 0 || first > 0xffff || last == 0 || last > 0xffff || first > last) errx(1, "%s: illegal net range: %u-%u", range, first, last); at_nr.nr_firstnet = htons(first); at_nr.nr_lastnet = htons(last); } /* ARGSUSED */ void setatphase(const char *phase, int d) { if (!strcmp(phase, "1")) at_nr.nr_phase = 1; else if (!strcmp(phase, "2")) at_nr.nr_phase = 2; else errx(1, "%s: illegal phase", phase); } void checkatrange(struct sockaddr_at *sat) { if (at_nr.nr_phase == 0) at_nr.nr_phase = 2; /* Default phase 2 */ if (at_nr.nr_firstnet == 0) /* Default range of one */ at_nr.nr_firstnet = at_nr.nr_lastnet = sat->sat_addr.s_net; printf("\tatalk %d.%d range %d-%d phase %d\n", ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); if ((u_short) ntohs(at_nr.nr_firstnet) > (u_short) ntohs(sat->sat_addr.s_net) || (u_short) ntohs(at_nr.nr_lastnet) < (u_short) ntohs(sat->sat_addr.s_net)) errx(1, "AppleTalk address is not in range"); *((struct netrange *) &sat->sat_zero) = at_nr; } #define SNS(x) ((struct sockaddr_ns *) &(x)) struct sockaddr_ns *snstab[] = { SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; void xns_getaddr(const char *addr, int which) { struct sockaddr_ns *sns = snstab[which]; sns->sns_family = AF_NS; sns->sns_len = sizeof(*sns); sns->sns_addr = ns_addr(addr); if (which == MASK) printf("Attempt to set XNS netmask will be ineffectual\n"); } #define SIPX(x) ((struct sockaddr_ipx *) &(x)) struct sockaddr_ipx *sipxtab[] = { SIPX(ridreq.ifr_addr), SIPX(addreq.ifra_addr), SIPX(addreq.ifra_mask), SIPX(addreq.ifra_broadaddr)}; void ipx_getaddr(const char *addr, int which) { struct sockaddr_ipx *sipx = sipxtab[which]; sipx->sipx_family = AF_IPX; sipx->sipx_len = sizeof(*sipx); sipx->sipx_addr = ipx_addr(addr); sipx->sipx_type = ipx_type; if (which == MASK) printf("Attempt to set IPX netmask will be ineffectual\n"); } void usage(void) { fprintf(stderr, "usage: ifconfig interface [address_family] [address [dest_address]]\n" "\t[[-]alias] [[-]arp] [broadcast addr]\n" "\t[[-]debug] [delete] [up] [down] [ipdst addr]\n" "\t[tunnel src_address dest_address] [deletetunnel]\n" "\t[description value] [[-]group group-name]\n" "\t[[-]link0] [[-]link1] [[-]link2]\n" "\t[media type] [[-]mediaopt opts] [mode mode] [instance minst]\n" "\t[mtu value] [metric nhops] [netmask mask] [prefixlen n]\n" "\t[nwid id] [nwkey key] [nwkey persist[:key]] [-nwkey]\n" "\t[bssid bssid] [-bssid] [chan n] [-chan]\n" "\t[[-]powersave] [powersavesleep duration]\n" #ifdef INET6 "\t[[-]anycast] [eui64] [pltime n] [vltime n] [[-]tentative]\n" #endif "\t[vlan vlan_tag vlandev parent_iface] [-vlandev] [vhid n]\n" "\t[advbase n] [advskew n] [maxupd n] [pass passphrase]\n" "\t[state init | backup | master]\n" "\t[syncif iface] [-syncif] [syncpeer peer_address] [-syncpeer]\n" "\t[phase n] [range netrange] [timeslot timeslot_range]\n" "\t[802.2] [802.2tr] [802.3] [snap] [EtherII]\n" " ifconfig -A | -Am | -a | -am [address_family]\n" " ifconfig -C\n" " ifconfig -m interface [address_family]\n" " ifconfig interface create\n" " ifconfig interface destroy\n"); exit(1); } static int __tag = 0; static int __have_tag = 0; void vlan_status(void) { struct vlanreq vreq; bzero((char *)&vreq, sizeof(struct vlanreq)); ifr.ifr_data = (caddr_t)&vreq; if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) return; if (vreq.vlr_tag || (vreq.vlr_parent[0] != '\0')) printf("\tvlan: %d parent interface: %s\n", vreq.vlr_tag, vreq.vlr_parent[0] == '\0' ? "" : vreq.vlr_parent); } /* ARGSUSED */ void setvlantag(const char *val, int d) { u_int16_t tag; struct vlanreq vreq; const char *errmsg = NULL; __tag = tag = strtonum(val, 0, 65535, &errmsg); if (errmsg) errx(1, "vlan tag %s: %s", val, errmsg); __have_tag = 1; bzero((char *)&vreq, sizeof(struct vlanreq)); ifr.ifr_data = (caddr_t)&vreq; if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) err(1, "SIOCGETVLAN"); vreq.vlr_tag = tag; if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) err(1, "SIOCSETVLAN"); } /* ARGSUSED */ void setvlandev(const char *val, int d) { struct vlanreq vreq; if (!__have_tag) errx(1, "must specify both vlan tag and device"); bzero((char *)&vreq, sizeof(struct vlanreq)); ifr.ifr_data = (caddr_t)&vreq; if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) err(1, "SIOCGETVLAN"); (void) strlcpy(vreq.vlr_parent, val, sizeof(vreq.vlr_parent)); vreq.vlr_tag = __tag; if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) err(1, "SIOCSETVLAN"); } /* ARGSUSED */ void unsetvlandev(const char *val, int d) { struct vlanreq vreq; bzero((char *)&vreq, sizeof(struct vlanreq)); ifr.ifr_data = (caddr_t)&vreq; if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) err(1, "SIOCGETVLAN"); bzero((char *)&vreq.vlr_parent, sizeof(vreq.vlr_parent)); vreq.vlr_tag = 0; if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) err(1, "SIOCSETVLAN"); } static const char *carp_states[] = { CARP_STATES }; void getifgroups(void) { int len; struct ifgroupreq ifgr; struct ifg_req *ifg; memset(&ifgr, 0, sizeof(ifgr)); strlcpy(ifgr.ifgr_name, name, IFNAMSIZ); if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) if (errno == EINVAL || errno == ENOTTY) return; else err(1, "SIOCGIFGROUP"); len = ifgr.ifgr_len; ifgr.ifgr_groups = (struct ifg_req *)calloc(len / sizeof(struct ifg_req), sizeof(struct ifg_req)); if (ifgr.ifgr_groups == NULL) err(1, "getifgroups"); if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) err(1, "SIOCGIFGROUP"); if (len -= sizeof(struct ifg_req)) { len += sizeof(struct ifg_req); printf("\tgroups: "); ifg = ifgr.ifgr_groups; if (ifg) { len -= sizeof(struct ifg_req); ifg++; } for (; ifg && len >= sizeof(struct ifg_req); ifg++) { len -= sizeof(struct ifg_req); printf("%s ", ifg->ifgrq_group); } printf("\n"); } } void carp_status(void) { const char *state; struct carpreq carpr; memset((char *)&carpr, 0, sizeof(struct carpreq)); ifr.ifr_data = (caddr_t)&carpr; if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1) return; if (carpr.carpr_vhid > 0) { if (carpr.carpr_state > CARP_MAXSTATE) state = ""; else state = carp_states[carpr.carpr_state]; printf("\tcarp: %s vhid %d advbase %d advskew %d\n", state, carpr.carpr_vhid, carpr.carpr_advbase, carpr.carpr_advskew); } } /* ARGSUSED */ void setcarp_passwd(const char *val, int d) { struct carpreq carpr; memset((char *)&carpr, 0, sizeof(struct carpreq)); ifr.ifr_data = (caddr_t)&carpr; if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1) err(1, "SIOCGVH"); /* XXX Should hash the password into the key here, perhaps? */ strlcpy((char *)carpr.carpr_key, val, CARP_KEY_LEN); if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1) err(1, "SIOCSVH"); } /* ARGSUSED */ void setcarp_vhid(const char *val, int d) { const char *errmsg = NULL; struct carpreq carpr; int vhid; vhid = strtonum(val, 0, 255, &errmsg); if (errmsg) errx(1, "vhid %s: %s", val, errmsg); memset((char *)&carpr, 0, sizeof(struct carpreq)); ifr.ifr_data = (caddr_t)&carpr; if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1) err(1, "SIOCGVH"); carpr.carpr_vhid = vhid; if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1) err(1, "SIOCSVH"); } /* ARGSUSED */ void setcarp_advskew(const char *val, int d) { const char *errmsg = NULL; struct carpreq carpr; int advskew; advskew = strtonum(val, 0, 255, &errmsg); if (errmsg) errx(1, "advskew %s: %s", val, errmsg); memset((char *)&carpr, 0, sizeof(struct carpreq)); ifr.ifr_data = (caddr_t)&carpr; if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1) err(1, "SIOCGVH"); carpr.carpr_advskew = advskew; if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1) err(1, "SIOCSVH"); } /* ARGSUSED */ void setcarp_advbase(const char *val, int d) { const char *errmsg = NULL; struct carpreq carpr; int advbase; advbase = strtonum(val, 0, 255, &errmsg); if (errmsg) errx(1, "advbase %s: %s", val, errmsg); memset((char *)&carpr, 0, sizeof(struct carpreq)); ifr.ifr_data = (caddr_t)&carpr; if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1) err(1, "SIOCGVH"); carpr.carpr_advbase = advbase; if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1) err(1, "SIOCSVH"); } /* ARGSUSED */ void setcarp_state(const char *val, int d) { struct carpreq carpr; int i; bzero((char *)&carpr, sizeof(struct carpreq)); ifr.ifr_data = (caddr_t)&carpr; if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1) err(1, "SIOCGVH"); for (i = 0; i <= CARP_MAXSTATE; i++) { if (!strcasecmp(val, carp_states[i])) { carpr.carpr_state = i; break; } } if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1) err(1, "SIOCSVH"); } /* ARGSUSED */ void setpfsync_syncif(const char *val, int d) { struct pfsyncreq preq; bzero((char *)&preq, sizeof(struct pfsyncreq)); ifr.ifr_data = (caddr_t)&preq; if (ioctl(s, SIOCGETPFSYNC, (caddr_t)&ifr) == -1) err(1, "SIOCGETPFSYNC"); strlcpy(preq.pfsyncr_syncif, val, sizeof(preq.pfsyncr_syncif)); if (ioctl(s, SIOCSETPFSYNC, (caddr_t)&ifr) == -1) err(1, "SIOCSETPFSYNC"); } /* ARGSUSED */ void unsetpfsync_syncif(const char *val, int d) { struct pfsyncreq preq; bzero((char *)&preq, sizeof(struct pfsyncreq)); ifr.ifr_data = (caddr_t)&preq; if (ioctl(s, SIOCGETPFSYNC, (caddr_t)&ifr) == -1) err(1, "SIOCGETPFSYNC"); bzero((char *)&preq.pfsyncr_syncif, sizeof(preq.pfsyncr_syncif)); if (ioctl(s, SIOCSETPFSYNC, (caddr_t)&ifr) == -1) err(1, "SIOCSETPFSYNC"); } /* ARGSUSED */ void setpfsync_syncpeer(const char *val, int d) { struct pfsyncreq preq; struct addrinfo hints, *peerres; int ecode; bzero((char *)&preq, sizeof(struct pfsyncreq)); ifr.ifr_data = (caddr_t)&preq; if (ioctl(s, SIOCGETPFSYNC, (caddr_t)&ifr) == -1) err(1, "SIOCGETPFSYNC"); memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_INET; hints.ai_socktype = SOCK_DGRAM; /*dummy*/ if ((ecode = getaddrinfo(val, NULL, &hints, &peerres)) != 0) errx(1, "error in parsing address string: %s", gai_strerror(ecode)); if (peerres->ai_addr->sa_family != AF_INET) errx(1, "only IPv4 addresses supported for the syncpeer"); preq.pfsyncr_syncpeer.s_addr = ((struct sockaddr_in *) peerres->ai_addr)->sin_addr.s_addr; if (ioctl(s, SIOCSETPFSYNC, (caddr_t)&ifr) == -1) err(1, "SIOCSETPFSYNC"); } /* ARGSUSED */ void unsetpfsync_syncpeer(const char *val, int d) { struct pfsyncreq preq; bzero((char *)&preq, sizeof(struct pfsyncreq)); ifr.ifr_data = (caddr_t)&preq; if (ioctl(s, SIOCGETPFSYNC, (caddr_t)&ifr) == -1) err(1, "SIOCGETPFSYNC"); preq.pfsyncr_syncpeer.s_addr = 0; if (ioctl(s, SIOCSETPFSYNC, (caddr_t)&ifr) == -1) err(1, "SIOCSETPFSYNC"); } /* ARGSUSED */ void setpfsync_maxupd(const char *val, int d) { const char *errmsg = NULL; struct pfsyncreq preq; int maxupdates; maxupdates = strtonum(val, 0, 255, &errmsg); if (errmsg) errx(1, "maxupd %s: %s", val, errmsg); memset((char *)&preq, 0, sizeof(struct pfsyncreq)); ifr.ifr_data = (caddr_t)&preq; if (ioctl(s, SIOCGETPFSYNC, (caddr_t)&ifr) == -1) err(1, "SIOCGETPFSYNC"); preq.pfsyncr_maxupdates = maxupdates; if (ioctl(s, SIOCSETPFSYNC, (caddr_t)&ifr) == -1) err(1, "SIOCSETPFSYNC"); } void pfsync_status(void) { struct pfsyncreq preq; bzero((char *)&preq, sizeof(struct pfsyncreq)); ifr.ifr_data = (caddr_t)&preq; if (ioctl(s, SIOCGETPFSYNC, (caddr_t)&ifr) == -1) return; if (preq.pfsyncr_syncif[0] != '\0') { printf("\tpfsync: syncif: %s ", preq.pfsyncr_syncif); if (preq.pfsyncr_syncpeer.s_addr != INADDR_PFSYNC_GROUP) printf("syncpeer: %s ", inet_ntoa(preq.pfsyncr_syncpeer)); printf("maxupd: %d\n", preq.pfsyncr_maxupdates); } } #ifdef INET6 char * sec2str(time_t total) { static char result[256]; int days, hours, mins, secs; int first = 1; char *p = result; char *end = &result[sizeof(result)]; int n; if (0) { /*XXX*/ days = total / 3600 / 24; hours = (total / 3600) % 24; mins = (total / 60) % 60; secs = total % 60; if (days) { first = 0; n = snprintf(p, end - p, "%dd", days); if (n < 0 || n >= end - p) return(result); p += n; } if (!first || hours) { first = 0; n = snprintf(p, end - p, "%dh", hours); if (n < 0 || n >= end - p) return(result); p += n; } if (!first || mins) { first = 0; n = snprintf(p, end - p, "%dm", mins); if (n < 0 || n >= end - p) return(result); p += n; } snprintf(p, end - p, "%ds", secs); } else snprintf(p, end - p, "%lu", (u_long)total); return(result); } #endif /* INET6 */