/* * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * 951109 - Andrew@pubnix.net - Changed to iterative buffer growing mechanism * for ifconfig -a so all interfaces are queried. * * 960101 - peter@freebsd.org - Blow away the SIOCGIFCONF code and use * sysctl() to get the structured interface conf * and parse the messages in there. REALLY UGLY! */ #ifndef lint static char copyright[] = "@(#) Copyright (c) 1983, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include #include #include #define IPXIP #define IPTUNNEL #include #include #define NSIP #include #include #define EON #include #include #include #include #include #include #include #include #include #include #include #include #include struct ifreq ifr, ridreq; struct ifaliasreq addreq; struct iso_ifreq iso_ridreq; struct iso_aliasreq iso_addreq; struct sockaddr_in netmask; char name[32]; int flags; int metric; int mtu; int nsellength = 1; int setaddr; int setipdst; int doalias; int clearaddr; int newaddr = 1; int s; kvm_t *kvmd; extern int errno; int setifflags(), setifaddr(), setifdstaddr(), setifnetmask(); int setifmetric(), setifmtu(), setifbroadaddr(), setifipdst(); int notealias(), setsnpaoffset(), setnsellength(), notrailers(); #define NEXTARG 0xffffff struct cmd { char *c_name; int c_parameter; /* NEXTARG means next argv */ int (*c_func)(); } cmds[] = { { "up", IFF_UP, setifflags } , { "down", -IFF_UP, setifflags }, { "trailers", -1, notrailers }, { "-trailers", 1, notrailers }, { "arp", -IFF_NOARP, setifflags }, { "-arp", IFF_NOARP, setifflags }, { "debug", IFF_DEBUG, setifflags }, { "-debug", -IFF_DEBUG, setifflags }, { "alias", IFF_UP, notealias }, { "-alias", -IFF_UP, notealias }, { "delete", -IFF_UP, notealias }, #ifdef notdef #define EN_SWABIPS 0x1000 { "swabips", EN_SWABIPS, setifflags }, { "-swabips", -EN_SWABIPS, setifflags }, #endif { "netmask", NEXTARG, setifnetmask }, { "metric", NEXTARG, setifmetric }, { "broadcast", NEXTARG, setifbroadaddr }, { "ipdst", NEXTARG, setifipdst }, { "snpaoffset", NEXTARG, setsnpaoffset }, { "nsellength", NEXTARG, setnsellength }, { "link0", IFF_LINK0, setifflags }, { "-link0", -IFF_LINK0, setifflags }, { "link1", IFF_LINK1, setifflags }, { "-link1", -IFF_LINK1, setifflags }, { "link2", IFF_LINK2, setifflags }, { "-link2", -IFF_LINK2, setifflags }, { "normal", -IFF_LINK0, setifflags }, { "compress", IFF_LINK0, setifflags }, { "noicmp", IFF_LINK1, setifflags }, { "mtu", NEXTARG, setifmtu }, { 0, 0, setifaddr }, { 0, 0, setifdstaddr }, }; /* * XNS support liberally adapted from code written at the University of * Maryland principally by James O'Toole and Chris Torek. */ int in_status(), in_getaddr(); int ipx_status(), ipx_getaddr(); int xns_status(), xns_getaddr(); int iso_status(), iso_getaddr(); int ether_status(); /* Known address families */ struct afswtch { char *af_name; short af_af; int (*af_status)(); int (*af_getaddr)(); int af_difaddr; int af_aifaddr; caddr_t af_ridreq; caddr_t af_addreq; } afs[] = { #define C(x) ((caddr_t) &x) { "inet", AF_INET, in_status, in_getaddr, SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, { "ipx", AF_IPX, ipx_status, ipx_getaddr, SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, { "ns", AF_NS, xns_status, xns_getaddr, SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, { "iso", AF_ISO, iso_status, iso_getaddr, SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, C(iso_ridreq), C(iso_addreq) }, { "ether", AF_INET, ether_status, NULL }, { 0, 0, 0, 0 } }; struct afswtch *afp; /*the address family being set or asked about*/ void rt_xaddrs __P((caddr_t, caddr_t, struct rt_addrinfo *)); int ifconfig __P((int argc, char *argv[], int af, struct afswtch *rafp)); /* * Expand the compacted form of addresses as returned via the * configuration read via sysctl(). */ #define ROUNDUP(a) \ ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long)) #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len)) void rt_xaddrs(cp, cplim, rtinfo) caddr_t cp, cplim; struct rt_addrinfo *rtinfo; { struct sockaddr *sa; int i; memset(rtinfo->rti_info, 0, sizeof(rtinfo->rti_info)); for (i = 0; (i < RTAX_MAX) && (cp < cplim); i++) { if ((rtinfo->rti_addrs & (1 << i)) == 0) continue; rtinfo->rti_info[i] = sa = (struct sockaddr *)cp; ADVANCE(cp, sa); } } /* * Grunge for new-style sysctl() decoding.. :-( * Apologies to the world for committing gross things like this in 1996.. */ struct if_msghdr *ifm; struct ifa_msghdr *ifam; struct sockaddr_dl *sdl; struct rt_addrinfo info; char *buf, *lim, *next; main(argc, argv) int argc; char *argv[]; { int af = AF_INET; struct afswtch *rafp; size_t needed; int mib[6], len; int all; if (argc < 2) { fprintf(stderr, "usage: ifconfig interface\n%s%s%s%s%s%s", "\t[ af [ address [ dest_addr ] ] [ up ] [ down ]", "[ netmask mask ] ]\n", "\t[ metric n ]\n", "\t[ mtu n ]\n", "\t[ arp | -arp ]\n", "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ] \n"); exit(1); } argc--, argv++; strncpy(name, *argv, sizeof(name)); strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 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; } mib[0] = CTL_NET; mib[1] = PF_ROUTE; mib[2] = 0; mib[3] = AF_INET; mib[4] = NET_RT_IFLIST; mib[5] = 0; if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) errx(1, "route-sysctl-estimate"); if ((buf = malloc(needed)) == NULL) errx(1, "malloc"); if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) errx(1, "actual retrieval of interface table"); lim = buf + needed; all = 0; if (strcmp(name, "-a") == 0) all = 1; /* All interfaces */ else if (strcmp(name, "-au") == 0) all = 2; /* All IFF_UPinterfaces */ else if (strcmp(name, "-ad") == 0) all = 3; /* All !IFF_UP interfaces */ for (next = buf; next < lim; next += ifm->ifm_msglen) { ifm = (struct if_msghdr *)next; /* XXX: Swallow up leftover NEWADDR messages */ if (ifm->ifm_type == RTM_NEWADDR) continue; if (ifm->ifm_type == RTM_IFINFO) { sdl = (struct sockaddr_dl *)(ifm + 1); flags = ifm->ifm_flags; } else { errx(1, "out of sync parsing NET_RT_IFLIST"); } switch(all) { case -1: case 0: if (strlen(name) != sdl->sdl_nlen) continue; /* not same len */ if (strncmp(name, sdl->sdl_data, sdl->sdl_nlen) != 0) continue; /* not same name */ break; case 1: break; /* always do it */ case 2: if ((flags & IFF_UP) == 0) continue; /* not up */ break; case 3: if (flags & IFF_UP) continue; /* not down */ break; } if (all > 0) { strncpy(name, sdl->sdl_data, sdl->sdl_nlen); name[sdl->sdl_nlen] = '\0'; } if ((s = socket(af, SOCK_DGRAM, 0)) < 0) { perror("ifconfig: socket"); exit(1); } ifconfig(argc,argv,af,rafp); close(s); if (all == 0) { all = -1; /* flag it as 'done' */ break; } } free(buf); if (all == 0) errx(1, "interface %s does not exist..", name); exit (0); } int ifconfig(argc,argv,af,rafp) int argc; char *argv[]; int af; struct afswtch *rafp; { strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); if (ioctl(s, SIOCGIFMETRIC, (caddr_t)&ifr) < 0) perror("ioctl (SIOCGIFMETRIC)"); else metric = ifr.ifr_metric; if (ioctl(s, SIOCGIFMTU, (caddr_t)&ifr) < 0) perror("ioctl (SIOCGIFMTU)"); else mtu = ifr.ifr_mtu; if (argc == 0) { status(); return(0); } while (argc > 0) { register struct cmd *p; for (p = cmds; p->c_name; p++) if (strcmp(*argv, p->c_name) == 0) break; if (p->c_name == 0 && setaddr) p++; /* got src, do dst */ if (p->c_func) { if (p->c_parameter == NEXTARG) { if (argv[1] == NULL) errx(1, "'%s' requires argument", p->c_name); (*p->c_func)(argv[1]); argc--, argv++; } else (*p->c_func)(*argv, p->c_parameter); } argc--, argv++; } if (af == AF_ISO) adjust_nsellength(); if (setipdst && af==AF_IPX) { 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) Perror("Encapsulation Routing"); } if (setipdst && af==AF_NS) { 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) Perror("Encapsulation Routing"); } if (clearaddr) { if (rafp->af_ridreq == NULL || rafp->af_difaddr == 0) { warnx("interface %s cannot change %s addresses!", name, rafp->af_name); clearaddr = NULL; } } if (clearaddr) { int ret; strncpy(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 Perror("ioctl (SIOCDIFADDR)"); } } if (newaddr) { if (rafp->af_ridreq == NULL || rafp->af_difaddr == 0) { warnx("interface %s cannot change %s addresses!", name, rafp->af_name); newaddr = NULL; } } if (newaddr) { strncpy(rafp->af_addreq, name, sizeof ifr.ifr_name); if (ioctl(s, rafp->af_aifaddr, rafp->af_addreq) < 0) Perror("ioctl (SIOCAIFADDR)"); } return(0); } #define RIDADDR 0 #define ADDR 1 #define MASK 2 #define DSTADDR 3 /*ARGSUSED*/ setifaddr(addr, param) char *addr; short 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++; if (doalias == 0) clearaddr = 1; (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); } setifnetmask(addr) char *addr; { (*afp->af_getaddr)(addr, MASK); } setifbroadaddr(addr) char *addr; { (*afp->af_getaddr)(addr, DSTADDR); } setifipdst(addr) char *addr; { in_getaddr(addr, DSTADDR); setipdst++; clearaddr = 0; newaddr = 0; } #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) /*ARGSUSED*/ notealias(addr, param) char *addr; { if (setaddr && doalias == 0 && param < 0) bcopy((caddr_t)rqtosa(af_addreq), (caddr_t)rqtosa(af_ridreq), rqtosa(af_addreq)->sa_len); doalias = param; if (param < 0) { clearaddr = 1; newaddr = 0; } else clearaddr = 0; } /*ARGSUSED*/ notrailers(vname, value) char *vname; int value; { printf("Note: trailers are no longer sent, but always received\n"); } /*ARGSUSED*/ setifdstaddr(addr, param) char *addr; int param; { (*afp->af_getaddr)(addr, DSTADDR); } setifflags(vname, value) char *vname; short value; { if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) { Perror("ioctl (SIOCGIFFLAGS)"); exit(1); } strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); flags = ifr.ifr_flags; if (value < 0) { value = -value; flags &= ~value; } else flags |= value; ifr.ifr_flags = flags; if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) Perror(vname); } setifmetric(val) char *val; { strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); ifr.ifr_metric = atoi(val); if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) perror("ioctl (set metric)"); } setifmtu(val) char *val; { strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); ifr.ifr_mtu = atoi(val); if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) perror("ioctl (set mtu)"); } setsnpaoffset(val) char *val; { iso_addreq.ifra_snpaoffset = atoi(val); } #define IFFBITS \ "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" /* * Print the status of the interface. If an address family was * specified, show it and it only; otherwise, show them all. */ status() { register struct afswtch *p = afp; short af = ifr.ifr_addr.sa_family; char *mynext; struct if_msghdr *myifm; printf("%s: ", name); printb("flags", flags, IFFBITS); if (metric) printf(" metric %d", metric); if (mtu) printf(" mtu %d", mtu); putchar('\n'); /* * XXX: Sigh. This is bad, I know. At this point, we may have * *zero* RTM_NEWADDR's, so we have to "feel the water" before * incrementing the loop. One day, I might feel inspired enough * to get the top level loop to pass a count down here so we * dont have to mess with this. -Peter */ myifm = ifm; while (1) { mynext = next + ifm->ifm_msglen; if (mynext >= lim) break; myifm = (struct if_msghdr *)mynext; if (myifm->ifm_type != RTM_NEWADDR) break; next = mynext; ifm = (struct if_msghdr *)next; ifam = (struct ifa_msghdr *)myifm; info.rti_addrs = ifam->ifam_addrs; /* Expand the compacted addresses */ rt_xaddrs((char *)(ifam + 1), ifam->ifam_msglen + (char *)ifam, &info); if ((p = afp) != NULL) { if (p->af_status != ether_status) (*p->af_status)(1); } else for (p = afs; p->af_name; p++) { ifr.ifr_addr.sa_family = p->af_af; if (p->af_status != ether_status) (*p->af_status)(0); } } if (afp == NULL || afp->af_status == ether_status) ether_status(); } in_status(force) int force; { struct sockaddr_in *sin, null_sin; char *inet_ntoa(); memset(&null_sin, 0, sizeof(null_sin)); sin = (struct sockaddr_in *)info.rti_info[RTAX_IFA]; if (!sin || sin->sin_family != AF_INET) { if (!force) return; /* warnx("%s has no AF_INET IFA address!", name); */ sin = &null_sin; } printf("\tinet %s ", inet_ntoa(sin->sin_addr)); if (flags & IFF_POINTOPOINT) { /* note RTAX_BRD overlap with IFF_BROADCAST */ sin = (struct sockaddr_in *)info.rti_info[RTAX_BRD]; if (!sin) sin = &null_sin; printf("--> %s ", inet_ntoa(sin->sin_addr)); } sin = (struct sockaddr_in *)info.rti_info[RTAX_NETMASK]; if (!sin) sin = &null_sin; printf("netmask 0x%x ", ntohl(sin->sin_addr.s_addr)); if (flags & IFF_BROADCAST) { /* note RTAX_BRD overlap with IFF_POINTOPOINT */ sin = (struct sockaddr_in *)info.rti_info[RTAX_BRD]; if (sin && sin->sin_addr.s_addr != 0) printf("broadcast %s", inet_ntoa(sin->sin_addr)); } putchar('\n'); } ipx_status(force) int force; { struct sockaddr_ipx *sipx, null_sipx; close(s); s = socket(AF_IPX, SOCK_DGRAM, 0); if (s < 0) { if (errno == EPROTONOSUPPORT) return; perror("ifconfig: socket"); exit(1); } memset(&null_sipx, 0, sizeof(null_sipx)); sipx = (struct sockaddr_ipx *)info.rti_info[RTAX_IFA]; if (!sipx || sipx->sipx_family != AF_IPX) { if (!force) return; /* warnx("%s has no AF_IPX IFA address!", name); */ sipx = &null_sipx; } printf("\tipx %s ", ipx_ntoa(sipx->sipx_addr)); if (flags & IFF_POINTOPOINT) { sipx = (struct sockaddr_ipx *)info.rti_info[RTAX_BRD]; if (!sipx) sipx = &null_sipx; printf("--> %s ", ipx_ntoa(sipx->sipx_addr)); } putchar('\n'); } xns_status(force) int force; { struct sockaddr_ns *sns, null_sns; close(s); s = socket(AF_NS, SOCK_DGRAM, 0); if (s < 0) { if (errno == EPROTONOSUPPORT) return; perror("ifconfig: socket"); exit(1); } memset(&null_sns, 0, sizeof(null_sns)); sns = (struct sockaddr_ns *)info.rti_info[RTAX_IFA]; if (!sns || sns->sns_family != AF_NS) { if (!force) return; /* warnx("%s has no AF_NS IFA address!", name); */ sns = &null_sns; } printf("\tns %s ", ns_ntoa(sns->sns_addr)); if (flags & IFF_POINTOPOINT) { sns = (struct sockaddr_ns *)info.rti_info[RTAX_BRD]; if (!sns) sns = &null_sns; printf("--> %s ", ns_ntoa(sns->sns_addr)); } putchar('\n'); } iso_status(force) int force; { struct sockaddr_iso *siso, null_siso; close(s); s = socket(AF_ISO, SOCK_DGRAM, 0); if (s < 0) { if (errno == EPROTONOSUPPORT) return; perror("ifconfig: socket"); exit(1); } memset(&null_siso, 0, sizeof(null_siso)); siso = (struct sockaddr_iso *)info.rti_info[RTAX_IFA]; if (!siso || siso->siso_family != AF_ISO) { if (!force) return; /* warnx("%s has no AF_ISO IFA address!", name); */ siso = &null_siso; } printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); /* XXX: is this right? is the ISO netmask meant to be before P2P? */ siso = (struct sockaddr_iso *)info.rti_info[RTAX_NETMASK]; if (siso) printf(" netmask %s ", iso_ntoa(&siso->siso_addr)); if (flags & IFF_POINTOPOINT) { siso = (struct sockaddr_iso *)info.rti_info[RTAX_BRD]; if (!siso) siso = &null_siso; printf("--> %s ", iso_ntoa(&siso->siso_addr)); } putchar('\n'); } ether_status() { char *cp; int n; cp = (char *)LLADDR(sdl); if ((n = sdl->sdl_alen) > 0) { if (sdl->sdl_type == IFT_ETHER) printf ("\tether "); else printf ("\tlladdr "); while (--n >= 0) printf("%02x%c",*cp++ & 0xff, n>0? ':' : ' '); putchar('\n'); } } Perror(cmd) char *cmd; { extern int errno; switch (errno) { case ENXIO: errx(1, "%s: no such interface", cmd); break; case EPERM: errx(1, "%s: permission denied", cmd); break; default: err(1, "%s", cmd); } } struct in_addr inet_makeaddr(); #define SIN(x) ((struct sockaddr_in *) &(x)) struct sockaddr_in *sintab[] = { SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; in_getaddr(s, which) char *s; { register struct sockaddr_in *sin = sintab[which]; struct hostent *hp; struct netent *np; int val; sin->sin_len = sizeof(*sin); if (which != MASK) sin->sin_family = AF_INET; if (inet_aton(s, &sin->sin_addr)) ; else if (hp = gethostbyname(s)) bcopy(hp->h_addr, (char *)&sin->sin_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); } /* * Print a value a la the %b format of the kernel's printf */ printb(s, v, bits) char *s; register char *bits; register unsigned short v; { register int i, any = 0; register 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('>'); } } #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)}; ipx_getaddr(addr, which) char *addr; { struct sockaddr_ipx *sipx = sipxtab[which]; struct ipx_addr ipx_addr(); sipx->sipx_family = AF_IPX; sipx->sipx_len = sizeof(*sipx); sipx->sipx_addr = ipx_addr(addr); if (which == MASK) printf("Attempt to set IPX netmask will be ineffectual\n"); } #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)}; xns_getaddr(addr, which) char *addr; { struct sockaddr_ns *sns = snstab[which]; struct ns_addr ns_addr(); 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 SISO(x) ((struct sockaddr_iso *) &(x)) struct sockaddr_iso *sisotab[] = { SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; iso_getaddr(addr, which) char *addr; { register struct sockaddr_iso *siso = sisotab[which]; struct iso_addr *iso_addr(); siso->siso_addr = *iso_addr(addr); if (which == MASK) { siso->siso_len = TSEL(siso) - (caddr_t)(siso); siso->siso_nlen = 0; } else { siso->siso_len = sizeof(*siso); siso->siso_family = AF_ISO; } } setnsellength(val) char *val; { nsellength = atoi(val); if (nsellength < 0) errx(1, "Negative NSEL length is absurd"); if (afp == 0 || afp->af_af != AF_ISO) errx(1, "Setting NSEL length valid only for iso"); } fixnsel(s) register struct sockaddr_iso *s; { if (s->siso_family == 0) return; s->siso_tlen = nsellength; } adjust_nsellength() { fixnsel(sisotab[RIDADDR]); fixnsel(sisotab[ADDR]); fixnsel(sisotab[DSTADDR]); }