diff options
Diffstat (limited to 'usr.sbin/ppp/iface.c')
| -rw-r--r-- | usr.sbin/ppp/iface.c | 730 |
1 files changed, 0 insertions, 730 deletions
diff --git a/usr.sbin/ppp/iface.c b/usr.sbin/ppp/iface.c deleted file mode 100644 index 32bb590..0000000 --- a/usr.sbin/ppp/iface.c +++ /dev/null @@ -1,730 +0,0 @@ -/*- - * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. - * - * $FreeBSD$ - */ - -#include <sys/param.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <net/if.h> -#include <net/if_dl.h> -#ifdef __FreeBSD__ -#include <net/if_var.h> -#endif -#include <net/route.h> -#include <netinet/in_systm.h> -#include <netinet/in_var.h> -#include <netinet/ip.h> -#ifndef NOINET6 -#include <netinet6/nd6.h> -#endif -#include <sys/un.h> - -#include <errno.h> -#include <string.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/ioctl.h> -#include <sys/sysctl.h> -#include <termios.h> -#include <unistd.h> - -#include "layer.h" -#include "defs.h" -#include "command.h" -#include "mbuf.h" -#include "log.h" -#include "id.h" -#include "timer.h" -#include "fsm.h" -#include "iplist.h" -#include "lqr.h" -#include "hdlc.h" -#include "throughput.h" -#include "slcompress.h" -#include "descriptor.h" -#include "ncpaddr.h" -#include "ipcp.h" -#include "filter.h" -#include "lcp.h" -#include "ccp.h" -#include "link.h" -#include "mp.h" -#ifndef NORADIUS -#include "radius.h" -#endif -#include "ipv6cp.h" -#include "ncp.h" -#include "bundle.h" -#include "prompt.h" -#include "iface.h" - -#define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}} -static const struct in6_addr in6mask128 = IN6MASK128; - - -struct iface * -iface_Create(const char *name) -{ - int mib[6], maxtries, err; - size_t needed, namelen; - char *buf, *ptr, *end; - struct if_msghdr *ifm; - struct ifa_msghdr *ifam; - struct sockaddr_dl *dl; - struct sockaddr *sa[RTAX_MAX]; - struct iface *iface; - struct iface_addr *addr; - - mib[0] = CTL_NET; - mib[1] = PF_ROUTE; - mib[2] = 0; - mib[3] = 0; - mib[4] = NET_RT_IFLIST; - mib[5] = 0; - - maxtries = 20; - err = 0; - do { - if (maxtries-- == 0 || (err && err != ENOMEM)) { - fprintf(stderr, "iface_Create: sysctl: %s\n", strerror(err)); - return NULL; - } - - if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { - fprintf(stderr, "iface_Create: sysctl: estimate: %s\n", - strerror(errno)); - return NULL; - } - - if ((buf = (char *)malloc(needed)) == NULL) { - fprintf(stderr, "iface_Create: malloc failed: %s\n", strerror(errno)); - return NULL; - } - - if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { - err = errno; - free(buf); - buf = NULL; - } - } while (buf == NULL); - - ptr = buf; - end = buf + needed; - iface = NULL; - namelen = strlen(name); - - while (ptr < end && iface == NULL) { - ifm = (struct if_msghdr *)ptr; /* On if_msghdr */ - if (ifm->ifm_type != RTM_IFINFO) - break; - dl = (struct sockaddr_dl *)(ifm + 1); /* Single _dl at end */ - if (dl->sdl_nlen == namelen && !strncmp(name, dl->sdl_data, namelen)) { - iface = (struct iface *)malloc(sizeof *iface); - if (iface == NULL) { - fprintf(stderr, "iface_Create: malloc: %s\n", strerror(errno)); - return NULL; - } - iface->name = strdup(name); - iface->index = ifm->ifm_index; - iface->flags = ifm->ifm_flags; - iface->mtu = 0; - iface->addrs = 0; - iface->addr = NULL; - } - ptr += ifm->ifm_msglen; /* First ifa_msghdr */ - for (; ptr < end; ptr += ifam->ifam_msglen) { - ifam = (struct ifa_msghdr *)ptr; /* Next if address */ - - if (ifam->ifam_type != RTM_NEWADDR) /* finished this if */ - break; - - if (iface != NULL && ifam->ifam_addrs & RTA_IFA) { - /* Found a configured interface ! */ - iface_ParseHdr(ifam, sa); - - if (sa[RTAX_IFA] && (sa[RTAX_IFA]->sa_family == AF_INET -#ifndef NOINET6 - || sa[RTAX_IFA]->sa_family == AF_INET6 -#endif - )) { - /* Record the address */ - - addr = (struct iface_addr *) - realloc(iface->addr, (iface->addrs + 1) * sizeof iface->addr[0]); - if (addr == NULL) - break; - iface->addr = addr; - - addr += iface->addrs; - iface->addrs++; - - ncprange_setsa(&addr->ifa, sa[RTAX_IFA], sa[RTAX_NETMASK]); - if (sa[RTAX_BRD]) - ncpaddr_setsa(&addr->peer, sa[RTAX_BRD]); - else - ncpaddr_init(&addr->peer); - } - } - } - } - - free(buf); - - return iface; -} - -static int -iface_addr_Zap(const char *name, struct iface_addr *addr, int s) -{ - struct ifaliasreq ifra; -#ifndef NOINET6 - struct in6_aliasreq ifra6; -#endif - struct sockaddr_in *me4, *msk4, *peer4; - struct sockaddr_storage ssme, sspeer, ssmsk; - int res; - - ncprange_getsa(&addr->ifa, &ssme, &ssmsk); - ncpaddr_getsa(&addr->peer, &sspeer); - res = 0; - - switch (ncprange_family(&addr->ifa)) { - case AF_INET: - memset(&ifra, '\0', sizeof ifra); - strncpy(ifra.ifra_name, name, sizeof ifra.ifra_name - 1); - - me4 = (struct sockaddr_in *)&ifra.ifra_addr; - memcpy(me4, &ssme, sizeof *me4); - - msk4 = (struct sockaddr_in *)&ifra.ifra_mask; - memcpy(msk4, &ssmsk, sizeof *msk4); - - peer4 = (struct sockaddr_in *)&ifra.ifra_broadaddr; - if (ncpaddr_family(&addr->peer) == AF_UNSPEC) { - peer4->sin_family = AF_INET; - peer4->sin_len = sizeof(*peer4); - peer4->sin_addr.s_addr = INADDR_NONE; - } else - memcpy(peer4, &sspeer, sizeof *peer4); - - res = ID0ioctl(s, SIOCDIFADDR, &ifra); - if (log_IsKept(LogDEBUG)) { - char buf[100]; - - snprintf(buf, sizeof buf, "%s", ncprange_ntoa(&addr->ifa)); - log_Printf(LogWARN, "%s: DIFADDR %s -> %s returns %d\n", - ifra.ifra_name, buf, ncpaddr_ntoa(&addr->peer), res); - } - break; - -#ifndef NOINET6 - case AF_INET6: - memset(&ifra6, '\0', sizeof ifra6); - strncpy(ifra6.ifra_name, name, sizeof ifra6.ifra_name - 1); - - memcpy(&ifra6.ifra_addr, &ssme, sizeof ifra6.ifra_addr); - memcpy(&ifra6.ifra_prefixmask, &ssmsk, sizeof ifra6.ifra_prefixmask); - ifra6.ifra_prefixmask.sin6_family = AF_UNSPEC; - if (ncpaddr_family(&addr->peer) == AF_UNSPEC) - ifra6.ifra_dstaddr.sin6_family = AF_UNSPEC; - else - memcpy(&ifra6.ifra_dstaddr, &sspeer, sizeof ifra6.ifra_dstaddr); - ifra6.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; - ifra6.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; - - res = ID0ioctl(s, SIOCDIFADDR_IN6, &ifra6); - break; -#endif - } - - if (res == -1) { - char dst[40]; - const char *end = -#ifndef NOINET6 - ncprange_family(&addr->ifa) == AF_INET6 ? "_IN6" : -#endif - ""; - - if (ncpaddr_family(&addr->peer) == AF_UNSPEC) - log_Printf(LogWARN, "iface rm: ioctl(SIOCDIFADDR%s, %s): %s\n", - end, ncprange_ntoa(&addr->ifa), strerror(errno)); - else { - snprintf(dst, sizeof dst, "%s", ncpaddr_ntoa(&addr->peer)); - log_Printf(LogWARN, "iface rm: ioctl(SIOCDIFADDR%s, %s -> %s): %s\n", - end, ncprange_ntoa(&addr->ifa), dst, strerror(errno)); - } - } - - return res != -1; -} - -static int -iface_addr_Add(const char *name, struct iface_addr *addr, int s) -{ - struct ifaliasreq ifra; -#ifndef NOINET6 - struct in6_aliasreq ifra6; -#endif - struct sockaddr_in *me4, *msk4, *peer4; - struct sockaddr_storage ssme, sspeer, ssmsk; - int res; - - ncprange_getsa(&addr->ifa, &ssme, &ssmsk); - ncpaddr_getsa(&addr->peer, &sspeer); - res = 0; - - switch (ncprange_family(&addr->ifa)) { - case AF_INET: - memset(&ifra, '\0', sizeof ifra); - strncpy(ifra.ifra_name, name, sizeof ifra.ifra_name - 1); - - me4 = (struct sockaddr_in *)&ifra.ifra_addr; - memcpy(me4, &ssme, sizeof *me4); - - msk4 = (struct sockaddr_in *)&ifra.ifra_mask; - memcpy(msk4, &ssmsk, sizeof *msk4); - - peer4 = (struct sockaddr_in *)&ifra.ifra_broadaddr; - if (ncpaddr_family(&addr->peer) == AF_UNSPEC) { - peer4->sin_family = AF_INET; - peer4->sin_len = sizeof(*peer4); - peer4->sin_addr.s_addr = INADDR_NONE; - } else - memcpy(peer4, &sspeer, sizeof *peer4); - - res = ID0ioctl(s, SIOCAIFADDR, &ifra); - if (log_IsKept(LogDEBUG)) { - char buf[100]; - - snprintf(buf, sizeof buf, "%s", ncprange_ntoa(&addr->ifa)); - log_Printf(LogWARN, "%s: AIFADDR %s -> %s returns %d\n", - ifra.ifra_name, buf, ncpaddr_ntoa(&addr->peer), res); - } - break; - -#ifndef NOINET6 - case AF_INET6: - memset(&ifra6, '\0', sizeof ifra6); - strncpy(ifra6.ifra_name, name, sizeof ifra6.ifra_name - 1); - - memcpy(&ifra6.ifra_addr, &ssme, sizeof ifra6.ifra_addr); - memcpy(&ifra6.ifra_prefixmask, &ssmsk, sizeof ifra6.ifra_prefixmask); - if (ncpaddr_family(&addr->peer) == AF_UNSPEC) - ifra6.ifra_dstaddr.sin6_family = AF_UNSPEC; - else if (memcmp(&((struct sockaddr_in6 *)&ssmsk)->sin6_addr, &in6mask128, - sizeof in6mask128) == 0) - memcpy(&ifra6.ifra_dstaddr, &sspeer, sizeof ifra6.ifra_dstaddr); - ifra6.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; - ifra6.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; - - res = ID0ioctl(s, SIOCAIFADDR_IN6, &ifra6); - break; -#endif - } - - if (res == -1) { - char dst[40]; - const char *end = -#ifndef NOINET6 - ncprange_family(&addr->ifa) == AF_INET6 ? "_IN6" : -#endif - ""; - - if (ncpaddr_family(&addr->peer) == AF_UNSPEC) - log_Printf(LogWARN, "iface add: ioctl(SIOCAIFADDR%s, %s): %s\n", - end, ncprange_ntoa(&addr->ifa), strerror(errno)); - else { - snprintf(dst, sizeof dst, "%s", ncpaddr_ntoa(&addr->peer)); - log_Printf(LogWARN, "iface add: ioctl(SIOCAIFADDR%s, %s -> %s): %s\n", - end, ncprange_ntoa(&addr->ifa), dst, strerror(errno)); - } - } - - return res != -1; -} - - -void -iface_Clear(struct iface *iface, struct ncp *ncp, int family, int how) -{ - int addrs, af, inskip, in6skip, s4 = -1, s6 = -1, *s; - unsigned n; - - if (iface->addrs) { - inskip = in6skip = how == IFACE_CLEAR_ALL ? 0 : 1; - addrs = 0; - - for (n = 0; n < iface->addrs; n++) { - af = ncprange_family(&iface->addr[n].ifa); - if (family == 0 || family == af) { - if (!iface->addr[n].system && (how & IFACE_SYSTEM)) - continue; - switch (af) { - case AF_INET: - if (inskip) { - inskip = 0; - continue; - } - s = &s4; - break; - -#ifndef NOINET6 - case AF_INET6: - if (in6skip) { - in6skip = 0; - continue; - } - s = &s6; - break; -#endif - default: - continue; - } - - if (*s == -1 && (*s = ID0socket(af, SOCK_DGRAM, 0)) == -1) - log_Printf(LogERROR, "iface_Clear: socket(): %s\n", strerror(errno)); - else if (iface_addr_Zap(iface->name, iface->addr + n, *s)) { - ncp_IfaceAddrDeleted(ncp, iface->addr + n); - bcopy(iface->addr + n + 1, iface->addr + n, - (iface->addrs - n - 1) * sizeof *iface->addr); - iface->addrs--; - n--; - } - } - } - - /* Don't bother realloc()ing - we have little to gain */ - - if (s4) - close(s4); - if (s6) - close(s6); - } -} - -int -iface_Add(struct iface *iface, struct ncp *ncp, const struct ncprange *ifa, - const struct ncpaddr *peer, int how) -{ - int af, removed, s; - unsigned n; - struct ncpaddr ncplocal; - struct iface_addr *addr, newaddr; - - af = ncprange_family(ifa); - if ((s = ID0socket(af, SOCK_DGRAM, 0)) == -1) { - log_Printf(LogERROR, "iface_Add: socket(): %s\n", strerror(errno)); - return 0; - } - ncprange_getaddr(ifa, &ncplocal); - - for (n = 0; n < iface->addrs; n++) { - if (ncprange_contains(&iface->addr[n].ifa, &ncplocal) || - ncpaddr_equal(&iface->addr[n].peer, peer)) { - /* Replace this sockaddr */ - if (!(how & IFACE_FORCE_ADD)) { - close(s); - return 0; /* errno = EEXIST; */ - } - - if (ncprange_equal(&iface->addr[n].ifa, ifa) && - ncpaddr_equal(&iface->addr[n].peer, peer)) { - close(s); - ncp_IfaceAddrAdded(ncp, iface->addr + n); - return 1; /* Already there */ - } - - removed = iface_addr_Zap(iface->name, iface->addr + n, s); - if (removed) - ncp_IfaceAddrDeleted(ncp, iface->addr + n); - ncprange_copy(&iface->addr[n].ifa, ifa); - ncpaddr_copy(&iface->addr[n].peer, peer); - if (!iface_addr_Add(iface->name, iface->addr + n, s)) { - if (removed) { - bcopy(iface->addr + n + 1, iface->addr + n, - (iface->addrs - n - 1) * sizeof *iface->addr); - iface->addrs--; - n--; - } - close(s); - return 0; - } - close(s); - ncp_IfaceAddrAdded(ncp, iface->addr + n); - return 1; - } - } - - addr = (struct iface_addr *)realloc - (iface->addr, (iface->addrs + 1) * sizeof iface->addr[0]); - if (addr == NULL) { - log_Printf(LogERROR, "iface_inAdd: realloc: %s\n", strerror(errno)); - close(s); - return 0; - } - iface->addr = addr; - - ncprange_copy(&newaddr.ifa, ifa); - ncpaddr_copy(&newaddr.peer, peer); - newaddr.system = !!(how & IFACE_SYSTEM); - if (!iface_addr_Add(iface->name, &newaddr, s)) { - close(s); - return 0; - } - - if (how & IFACE_ADD_FIRST) { - /* Stuff it at the start of our list */ - n = 0; - bcopy(iface->addr, iface->addr + 1, iface->addrs * sizeof *iface->addr); - } else - n = iface->addrs; - - iface->addrs++; - memcpy(iface->addr + n, &newaddr, sizeof(*iface->addr)); - - close(s); - ncp_IfaceAddrAdded(ncp, iface->addr + n); - - return 1; -} - -int -iface_Delete(struct iface *iface, struct ncp *ncp, const struct ncpaddr *del) -{ - struct ncpaddr found; - unsigned n; - int res, s; - - if ((s = ID0socket(ncpaddr_family(del), SOCK_DGRAM, 0)) == -1) { - log_Printf(LogERROR, "iface_Delete: socket(): %s\n", strerror(errno)); - return 0; - } - - for (n = res = 0; n < iface->addrs; n++) { - ncprange_getaddr(&iface->addr[n].ifa, &found); - if (ncpaddr_equal(&found, del)) { - if (iface_addr_Zap(iface->name, iface->addr + n, s)) { - ncp_IfaceAddrDeleted(ncp, iface->addr + n); - bcopy(iface->addr + n + 1, iface->addr + n, - (iface->addrs - n - 1) * sizeof *iface->addr); - iface->addrs--; - res = 1; - } - break; - } - } - - close(s); - - return res; -} - -#define IFACE_ADDFLAGS 1 -#define IFACE_DELFLAGS 2 - -static int -iface_ChangeFlags(const char *ifname, int flags, int how) -{ - struct ifreq ifrq; - int s, new_flags; - - s = ID0socket(PF_INET, SOCK_DGRAM, 0); - if (s < 0) { - log_Printf(LogERROR, "iface_ChangeFlags: socket: %s\n", strerror(errno)); - return 0; - } - - memset(&ifrq, '\0', sizeof ifrq); - strncpy(ifrq.ifr_name, ifname, sizeof ifrq.ifr_name - 1); - ifrq.ifr_name[sizeof ifrq.ifr_name - 1] = '\0'; - if (ID0ioctl(s, SIOCGIFFLAGS, &ifrq) < 0) { - log_Printf(LogERROR, "iface_ChangeFlags: ioctl(SIOCGIFFLAGS): %s\n", - strerror(errno)); - close(s); - return 0; - } -#ifdef __FreeBSD__ - new_flags = (ifrq.ifr_flags & 0xffff) | (ifrq.ifr_flagshigh << 16); -#else - new_flags = ifrq.ifr_flags & 0xffff; -#endif - - if (how == IFACE_ADDFLAGS) - new_flags |= flags; - else - new_flags &= ~flags; - ifrq.ifr_flags = new_flags & 0xffff; -#ifdef __FreeBSD__ - ifrq.ifr_flagshigh = new_flags >> 16; -#endif - - if (ID0ioctl(s, SIOCSIFFLAGS, &ifrq) < 0) { - log_Printf(LogERROR, "iface_ChangeFlags: ioctl(SIOCSIFFLAGS): %s\n", - strerror(errno)); - close(s); - return 0; - } - close(s); - - return 1; /* Success */ -} - -int -iface_SetFlags(const char *ifname, int flags) -{ - return iface_ChangeFlags(ifname, flags, IFACE_ADDFLAGS); -} - -int -iface_ClearFlags(const char *ifname, int flags) -{ - return iface_ChangeFlags(ifname, flags, IFACE_DELFLAGS); -} - -void -iface_Destroy(struct iface *iface) -{ - /* - * iface_Clear(iface, IFACE_CLEAR_ALL) must be called manually - * if that's what the user wants. It's better to leave the interface - * allocated so that existing connections can continue to work. - */ - - if (iface != NULL) { - free(iface->name); - free(iface->addr); - free(iface); - } -} - -#define if_entry(x) { IFF_##x, #x } - -struct { - int flag; - const char *value; -} if_flags[] = { - if_entry(UP), - if_entry(BROADCAST), - if_entry(DEBUG), - if_entry(LOOPBACK), - if_entry(POINTOPOINT), - if_entry(RUNNING), - if_entry(NOARP), - if_entry(PROMISC), - if_entry(ALLMULTI), - if_entry(OACTIVE), - if_entry(SIMPLEX), - if_entry(LINK0), - if_entry(LINK1), - if_entry(LINK2), - if_entry(MULTICAST), - { 0, "???" } -}; - -int -iface_Show(struct cmdargs const *arg) -{ - struct ncpaddr ncpaddr; - struct iface *iface = arg->bundle->iface, *current; - unsigned f; - int flags; -#ifndef NOINET6 - int scopeid, width; -#endif - struct in_addr mask; - - current = iface_Create(iface->name); - flags = iface->flags = current->flags; - iface_Destroy(current); - - prompt_Printf(arg->prompt, "%s (idx %d) <", iface->name, iface->index); - for (f = 0; f < sizeof if_flags / sizeof if_flags[0]; f++) - if ((if_flags[f].flag & flags)) { - prompt_Printf(arg->prompt, "%s%s", flags == iface->flags ? "" : ",", - if_flags[f].value); - flags &= ~if_flags[f].flag; - } - -#if 0 - if (flags) - prompt_Printf(arg->prompt, "%s0x%x", flags == iface->flags ? "" : ",", - flags); -#endif - - prompt_Printf(arg->prompt, "> mtu %lu has %d address%s:\n", iface->mtu, - iface->addrs, iface->addrs == 1 ? "" : "es"); - - for (f = 0; f < iface->addrs; f++) { - ncprange_getaddr(&iface->addr[f].ifa, &ncpaddr); - switch (ncprange_family(&iface->addr[f].ifa)) { - case AF_INET: - prompt_Printf(arg->prompt, " inet %s --> ", ncpaddr_ntoa(&ncpaddr)); - if (ncpaddr_family(&iface->addr[f].peer) == AF_UNSPEC) - prompt_Printf(arg->prompt, "255.255.255.255"); - else - prompt_Printf(arg->prompt, "%s", ncpaddr_ntoa(&iface->addr[f].peer)); - ncprange_getip4mask(&iface->addr[f].ifa, &mask); - prompt_Printf(arg->prompt, " netmask 0x%08lx", (long)ntohl(mask.s_addr)); - break; - -#ifndef NOINET6 - case AF_INET6: - prompt_Printf(arg->prompt, " inet6 %s", ncpaddr_ntoa(&ncpaddr)); - if (ncpaddr_family(&iface->addr[f].peer) != AF_UNSPEC) - prompt_Printf(arg->prompt, " --> %s", - ncpaddr_ntoa(&iface->addr[f].peer)); - ncprange_getwidth(&iface->addr[f].ifa, &width); - if (ncpaddr_family(&iface->addr[f].peer) == AF_UNSPEC) - prompt_Printf(arg->prompt, " prefixlen %d", width); - if ((scopeid = ncprange_scopeid(&iface->addr[f].ifa)) != -1) - prompt_Printf(arg->prompt, " scopeid 0x%x", (unsigned)scopeid); - break; -#endif - } - prompt_Printf(arg->prompt, "\n"); - } - - return 0; -} - -void -iface_ParseHdr(struct ifa_msghdr *ifam, struct sockaddr *sa[RTAX_MAX]) -{ - char *wp; - int rtax; - - wp = (char *)(ifam + 1); - - for (rtax = 0; rtax < RTAX_MAX; rtax++) - if (ifam->ifam_addrs & (1 << rtax)) { - sa[rtax] = (struct sockaddr *)wp; - wp += ROUNDUP(sa[rtax]->sa_len); - } else - sa[rtax] = NULL; -} |
