usr.sbin/ppp/iface.c

84 #include "iface.h"
91 struct iface *
101   struct iface *iface;
139   iface = NULL;
142   while (ptr < end && iface == NULL) {
148       iface = (struct iface *)malloc(sizeof *iface);
149       if (iface == NULL) {
153       iface->name = strdup(name);
154       iface->descr = NULL;
155       iface->index = ifm->ifm_index;
156       iface->flags = ifm->ifm_flags;
157       iface->mtu = 0;
158       iface->addrs = 0;
159       iface->addr = NULL;
168       if (iface != NULL && ifam->ifam_addrs & RTA_IFA) {
180             realloc(iface->addr, (iface->addrs + 1) * sizeof iface->addr[0]);
183           iface->addr = addr;
185           addr += iface->addrs;
186           iface->addrs++;
200   return iface;
276       log_Printf(LogWARN, "iface rm: ioctl(SIOCDIFADDR%s, %s): %s\n",
280       log_Printf(LogWARN, "iface rm: ioctl(SIOCDIFADDR%s, %s -> %s): %s\n",
361       log_Printf(LogWARN, "iface add: ioctl(SIOCAIFADDR%s, %s): %s\n",
365       log_Printf(LogWARN, "iface add: ioctl(SIOCAIFADDR%s, %s -> %s): %s\n",
374 iface_Name(struct iface *iface, const char *name)
381     log_Printf(LogWARN, "iface name: strdup failed: %s\n", strerror(errno));
386     log_Printf(LogERROR, "iface name: socket(): %s\n", strerror(errno));
391   strlcpy(ifr.ifr_name, iface->name, sizeof(ifr.ifr_name));
394     log_Printf(LogWARN, "iface name: ioctl(SIOCSIFNAME, %s -> %s): %s\n",
400   free(iface->name);
401   iface->name = newname;
410   struct iface *iface;
417     log_Printf(LogERROR, "iface descr: sysctl failed: %s\n", strerror(errno));
422     log_Printf(LogERROR, "iface descr: sysctl net.ifdescr_maxlen < 1\n");
428     log_Printf(LogERROR, "iface descr: malloc failed: %s\n", strerror(errno));
442     log_Printf(LogERROR, "iface descr: description exceeds maximum (%d)\n",
449     log_Printf(LogERROR, "iface descr: socket(): %s\n", strerror(errno));
454   iface = arg->bundle->iface;
455   strlcpy(ifr.ifr_name, iface->name, sizeof(ifr.ifr_name));
459     log_Printf(LogWARN, "iface descr: ioctl(SIOCSIFDESCR, %s): %s\n",
465   free(iface->descr);
466   iface->descr = descr;
472 iface_Clear(struct iface *iface, struct ncp *ncp, int family, int how)
477   if (iface->addrs) {
480     for (n = 0; n < iface->addrs; n++) {
481       af = ncprange_family(&iface->addr[n].ifa);
483         if (!iface->addr[n].system && (how & IFACE_SYSTEM))
509         else if (iface_addr_Zap(iface->name, iface->addr + n, *s)) {
510           ncp_IfaceAddrDeleted(ncp, iface->addr + n);
511           bcopy(iface->addr + n + 1, iface->addr + n,
512                 (iface->addrs - n - 1) * sizeof *iface->addr);
513           iface->addrs--;
529 iface_Add(struct iface *iface, struct ncp *ncp, const struct ncprange *ifa,
544   for (n = 0; n < iface->addrs; n++) {
545     if (ncprange_contains(&iface->addr[n].ifa, &ncplocal) ||
546         ncpaddr_equal(&iface->addr[n].peer, peer)) {
553       if (ncprange_equal(&iface->addr[n].ifa, ifa) &&
554           ncpaddr_equal(&iface->addr[n].peer, peer)) {
556         ncp_IfaceAddrAdded(ncp, iface->addr + n);
560       removed = iface_addr_Zap(iface->name, iface->addr + n, s);
562         ncp_IfaceAddrDeleted(ncp, iface->addr + n);
563       ncprange_copy(&iface->addr[n].ifa, ifa);
564       ncpaddr_copy(&iface->addr[n].peer, peer);
565       if (!iface_addr_Add(iface->name, iface->addr + n, s)) {
567           bcopy(iface->addr + n + 1, iface->addr + n,
568                 (iface->addrs - n - 1) * sizeof *iface->addr);
569           iface->addrs--;
576       ncp_IfaceAddrAdded(ncp, iface->addr + n);
582     (iface->addr, (iface->addrs + 1) * sizeof iface->addr[0]);
588   iface->addr = addr;
593   if (!iface_addr_Add(iface->name, &newaddr, s)) {
601     bcopy(iface->addr, iface->addr + 1, iface->addrs * sizeof *iface->addr);
603     n = iface->addrs;
605   iface->addrs++;
606   memcpy(iface->addr + n, &newaddr, sizeof(*iface->addr));
609   ncp_IfaceAddrAdded(ncp, iface->addr + n);
615 iface_Delete(struct iface *iface, struct ncp *ncp, const struct ncpaddr *del)
626   for (n = res = 0; n < iface->addrs; n++) {
627     ncprange_getaddr(&iface->addr[n].ifa, &found);
629       if (iface_addr_Zap(iface->name, iface->addr + n, s)) {
630         ncp_IfaceAddrDeleted(ncp, iface->addr + n);
631         bcopy(iface->addr + n + 1, iface->addr + n,
632               (iface->addrs - n - 1) * sizeof *iface->addr);
633         iface->addrs--;
708 iface_Free(struct iface *iface)
710     free(iface->name);
711     free(iface->descr);
712     free(iface->addr);
713     free(iface);
717 iface_Destroy(struct iface *iface)
722   if (iface != NULL) {
726       strlcpy(ifr.ifr_name, iface->name, sizeof(ifr.ifr_name));
729                iface->name, strerror(errno));
731     iface_Free(iface);
763   struct iface *iface = arg->bundle->iface, *current;
771   current = iface_Create(iface->name);
772   flags = iface->flags = current->flags;
775   prompt_Printf(arg->prompt, "%s (idx %d) <", iface->name, iface->index);
778       prompt_Printf(arg->prompt, "%s%s", flags == iface->flags ? "" : ",",
785     prompt_Printf(arg->prompt, "%s0x%x", flags == iface->flags ? "" : ",",
789   prompt_Printf(arg->prompt, "> mtu %lu has %d address%s:\n", iface->mtu,
790                 iface->addrs, iface->addrs == 1 ? "" : "es");
792   for (f = 0; f < iface->addrs; f++) {
793     ncprange_getaddr(&iface->addr[f].ifa, &ncpaddr);
794     switch (ncprange_family(&iface->addr[f].ifa)) {
797       if (ncpaddr_family(&iface->addr[f].peer) == AF_UNSPEC)
800         prompt_Printf(arg->prompt, "%s", ncpaddr_ntoa(&iface->addr[f].peer));
801       ncprange_getip4mask(&iface->addr[f].ifa, &mask);
808       if (ncpaddr_family(&iface->addr[f].peer) != AF_UNSPEC)
810                       ncpaddr_ntoa(&iface->addr[f].peer));
811       ncprange_getwidth(&iface->addr[f].ifa, &width);
812       if (ncpaddr_family(&iface->addr[f].peer) == AF_UNSPEC)
814       if ((scopeid = ncprange_scopeid(&iface->addr[f].ifa)) != -1)