route.c revision 136375
178189Sbrian/*- 278189Sbrian * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org> 378189Sbrian * based on work by Toshiharu OHNO <tony-o@iij.ad.jp> 478189Sbrian * Internet Initiative Japan, Inc (IIJ) 578189Sbrian * All rights reserved. 66059Samurai * 778189Sbrian * Redistribution and use in source and binary forms, with or without 878189Sbrian * modification, are permitted provided that the following conditions 978189Sbrian * are met: 1078189Sbrian * 1. Redistributions of source code must retain the above copyright 1178189Sbrian * notice, this list of conditions and the following disclaimer. 1278189Sbrian * 2. Redistributions in binary form must reproduce the above copyright 1378189Sbrian * notice, this list of conditions and the following disclaimer in the 1478189Sbrian * documentation and/or other materials provided with the distribution. 156059Samurai * 1678189Sbrian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1778189Sbrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1878189Sbrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1978189Sbrian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2078189Sbrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2178189Sbrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2278189Sbrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2378189Sbrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2478189Sbrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2578189Sbrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2678189Sbrian * SUCH DAMAGE. 276059Samurai * 2850479Speter * $FreeBSD: head/usr.sbin/ppp/route.c 136375 2004-10-11 09:45:58Z brian $ 296059Samurai */ 3030715Sbrian 3143313Sbrian#include <sys/param.h> 326059Samurai#include <sys/socket.h> 3331176Sbrian#include <net/if_types.h> 3430715Sbrian#include <net/route.h> 3530715Sbrian#include <net/if.h> 3630715Sbrian#include <netinet/in.h> 3730715Sbrian#include <arpa/inet.h> 3831176Sbrian#include <net/if_dl.h> 3936285Sbrian#include <netinet/in_systm.h> 4036285Sbrian#include <netinet/ip.h> 4136285Sbrian#include <sys/un.h> 4220287Swollman 4320287Swollman#include <errno.h> 44102500Sbrian#include <stdarg.h> 4530715Sbrian#include <stdio.h> 466059Samurai#include <stdlib.h> 476059Samurai#include <string.h> 4830715Sbrian#include <sys/sysctl.h> 4936285Sbrian#include <termios.h> 5075212Sbrian#include <unistd.h> 5120287Swollman 5246686Sbrian#include "layer.h" 5337009Sbrian#include "defs.h" 5431343Sbrian#include "command.h" 5530715Sbrian#include "mbuf.h" 569439Samurai#include "log.h" 5736285Sbrian#include "iplist.h" 5836285Sbrian#include "timer.h" 5936285Sbrian#include "throughput.h" 6036285Sbrian#include "lqr.h" 6136285Sbrian#include "hdlc.h" 6236285Sbrian#include "fsm.h" 6336285Sbrian#include "lcp.h" 6436285Sbrian#include "ccp.h" 6536285Sbrian#include "link.h" 6636285Sbrian#include "slcompress.h" 6781634Sbrian#include "ncpaddr.h" 6831690Sbrian#include "ipcp.h" 6936285Sbrian#include "filter.h" 7036285Sbrian#include "descriptor.h" 7136285Sbrian#include "mp.h" 7243313Sbrian#ifndef NORADIUS 7343313Sbrian#include "radius.h" 7443313Sbrian#endif 7581634Sbrian#include "ipv6cp.h" 7681634Sbrian#include "ncp.h" 7736285Sbrian#include "bundle.h" 7830715Sbrian#include "route.h" 7936285Sbrian#include "prompt.h" 8040561Sbrian#include "iface.h" 8175212Sbrian#include "id.h" 826059Samurai 8358032Sbrian 846059Samuraistatic void 8536285Sbrianp_sockaddr(struct prompt *prompt, struct sockaddr *phost, 8636285Sbrian struct sockaddr *pmask, int width) 876059Samurai{ 8881634Sbrian struct ncprange range; 8931343Sbrian char buf[29]; 9031176Sbrian struct sockaddr_dl *dl = (struct sockaddr_dl *)phost; 916059Samurai 9258031Sbrian if (log_IsKept(LogDEBUG)) { 9358031Sbrian char tmp[50]; 9458031Sbrian 9558031Sbrian log_Printf(LogDEBUG, "Found the following sockaddr:\n"); 9658031Sbrian log_Printf(LogDEBUG, " Family %d, len %d\n", 9758031Sbrian (int)phost->sa_family, (int)phost->sa_len); 9858032Sbrian inet_ntop(phost->sa_family, phost->sa_data, tmp, sizeof tmp); 9958031Sbrian log_Printf(LogDEBUG, " Addr %s\n", tmp); 10058031Sbrian if (pmask) { 10158032Sbrian inet_ntop(pmask->sa_family, pmask->sa_data, tmp, sizeof tmp); 10258031Sbrian log_Printf(LogDEBUG, " Mask %s\n", tmp); 10358031Sbrian } 10458031Sbrian } 10558031Sbrian 10631176Sbrian switch (phost->sa_family) { 10731176Sbrian case AF_INET: 10881634Sbrian#ifndef NOINET6 10981634Sbrian case AF_INET6: 11081634Sbrian#endif 11181634Sbrian ncprange_setsa(&range, phost, pmask); 11281634Sbrian if (ncprange_isdefault(&range)) 11381634Sbrian prompt_Printf(prompt, "%-*s ", width - 1, "default"); 11481634Sbrian else 11581634Sbrian prompt_Printf(prompt, "%-*s ", width - 1, ncprange_ntoa(&range)); 11681634Sbrian return; 11731176Sbrian 11831176Sbrian case AF_LINK: 11931541Sbrian if (dl->sdl_nlen) 12031541Sbrian snprintf(buf, sizeof buf, "%.*s", dl->sdl_nlen, dl->sdl_data); 12134536Sbrian else if (dl->sdl_alen) { 12234536Sbrian if (dl->sdl_type == IFT_ETHER) { 12331962Sbrian if (dl->sdl_alen < sizeof buf / 3) { 12431541Sbrian int f; 12531541Sbrian u_char *MAC; 12631541Sbrian 12731541Sbrian MAC = (u_char *)dl->sdl_data + dl->sdl_nlen; 12831541Sbrian for (f = 0; f < dl->sdl_alen; f++) 12931541Sbrian sprintf(buf+f*3, "%02x:", MAC[f]); 13031541Sbrian buf[f*3-1] = '\0'; 13131541Sbrian } else 13275212Sbrian strcpy(buf, "??:??:??:??:??:??"); 13334536Sbrian } else 13431541Sbrian sprintf(buf, "<IFT type %d>", dl->sdl_type); 13536285Sbrian } else if (dl->sdl_slen) 13631541Sbrian sprintf(buf, "<slen %d?>", dl->sdl_slen); 13731541Sbrian else 13831176Sbrian sprintf(buf, "link#%d", dl->sdl_index); 13931176Sbrian break; 14031176Sbrian 14131176Sbrian default: 14231541Sbrian sprintf(buf, "<AF type %d>", phost->sa_family); 14331176Sbrian break; 14426516Sbrian } 14531176Sbrian 14636285Sbrian prompt_Printf(prompt, "%-*s ", width-1, buf); 1476059Samurai} 1486059Samurai 14932663Sbrianstatic struct bits { 15037189Sbrian u_int32_t b_mask; 15128679Sbrian char b_val; 15231176Sbrian} bits[] = { 15331176Sbrian { RTF_UP, 'U' }, 15431176Sbrian { RTF_GATEWAY, 'G' }, 15531176Sbrian { RTF_HOST, 'H' }, 15631176Sbrian { RTF_REJECT, 'R' }, 15731176Sbrian { RTF_DYNAMIC, 'D' }, 15831176Sbrian { RTF_MODIFIED, 'M' }, 15931176Sbrian { RTF_DONE, 'd' }, 16031176Sbrian { RTF_CLONING, 'C' }, 16131176Sbrian { RTF_XRESOLVE, 'X' }, 16231176Sbrian { RTF_LLINFO, 'L' }, 16331176Sbrian { RTF_STATIC, 'S' }, 16431176Sbrian { RTF_PROTO1, '1' }, 16531176Sbrian { RTF_PROTO2, '2' }, 16631176Sbrian { RTF_BLACKHOLE, 'B' }, 16731739Sbrian#ifdef RTF_WASCLONED 16831176Sbrian { RTF_WASCLONED, 'W' }, 16931739Sbrian#endif 17031739Sbrian#ifdef RTF_PRCLONING 17131176Sbrian { RTF_PRCLONING, 'c' }, 17231739Sbrian#endif 17331739Sbrian#ifdef RTF_PROTO3 17431176Sbrian { RTF_PROTO3, '3' }, 17531739Sbrian#endif 17631739Sbrian#ifdef RTF_BROADCAST 17731176Sbrian { RTF_BROADCAST, 'b' }, 17831176Sbrian#endif 17931176Sbrian { 0, '\0' } 1806059Samurai}; 1816059Samurai 18231739Sbrian#ifndef RTF_WASCLONED 18331739Sbrian#define RTF_WASCLONED (0) 18431739Sbrian#endif 18531739Sbrian 1866059Samuraistatic void 187134789Sbrianp_flags(struct prompt *prompt, u_int32_t f, unsigned max) 1886059Samurai{ 18936285Sbrian char name[33], *flags; 19036285Sbrian register struct bits *p = bits; 1916059Samurai 19236285Sbrian if (max > sizeof name - 1) 19336285Sbrian max = sizeof name - 1; 19431827Sbrian 195134789Sbrian for (flags = name; p->b_mask && flags - name < (int)max; p++) 19636285Sbrian if (p->b_mask & f) 19736285Sbrian *flags++ = p->b_val; 19836285Sbrian *flags = '\0'; 19936285Sbrian prompt_Printf(prompt, "%-*.*s", max, max, name); 2006059Samurai} 2016059Samurai 20296582Sbrianstatic int route_nifs = -1; 20396582Sbrian 20432616Sbrianconst char * 20531176SbrianIndex2Nam(int idx) 20631176Sbrian{ 20737010Sbrian /* 20837010Sbrian * XXX: Maybe we should select() on the routing socket so that we can 20937010Sbrian * notice interfaces that come & go (PCCARD support). 21037010Sbrian * Or we could even support a signal that resets these so that 21137010Sbrian * the PCCARD insert/remove events can signal ppp. 21237010Sbrian */ 21337010Sbrian static char **ifs; /* Figure these out once */ 21496582Sbrian static int debug_done; /* Debug once */ 21531176Sbrian 21696582Sbrian if (idx > route_nifs || (idx > 0 && ifs[idx-1] == NULL)) { 21732425Sbrian int mib[6], have, had; 21832021Sbrian size_t needed; 21931176Sbrian char *buf, *ptr, *end; 22031176Sbrian struct sockaddr_dl *dl; 22131176Sbrian struct if_msghdr *ifm; 22231176Sbrian 22350427Sbrian if (ifs) { 22450427Sbrian free(ifs); 22550427Sbrian ifs = NULL; 22696582Sbrian route_nifs = 0; 22750427Sbrian } 22850427Sbrian debug_done = 0; 22950427Sbrian 23031176Sbrian mib[0] = CTL_NET; 23131176Sbrian mib[1] = PF_ROUTE; 23231176Sbrian mib[2] = 0; 23331176Sbrian mib[3] = 0; 23431176Sbrian mib[4] = NET_RT_IFLIST; 23531176Sbrian mib[5] = 0; 23631176Sbrian 23731176Sbrian if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 23837019Sbrian log_Printf(LogERROR, "Index2Nam: sysctl: estimate: %s\n", 23937019Sbrian strerror(errno)); 24058034Sbrian return NumStr(idx, NULL, 0); 24131176Sbrian } 24231176Sbrian if ((buf = malloc(needed)) == NULL) 24358034Sbrian return NumStr(idx, NULL, 0); 24431176Sbrian if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 24531176Sbrian free(buf); 24658034Sbrian return NumStr(idx, NULL, 0); 24731176Sbrian } 24831176Sbrian end = buf + needed; 24931176Sbrian 25032425Sbrian have = 0; 25131354Sbrian for (ptr = buf; ptr < end; ptr += ifm->ifm_msglen) { 25231176Sbrian ifm = (struct if_msghdr *)ptr; 25358032Sbrian if (ifm->ifm_type != RTM_IFINFO) 25458035Sbrian continue; 25531176Sbrian dl = (struct sockaddr_dl *)(ifm + 1); 25632425Sbrian if (ifm->ifm_index > 0) { 25732425Sbrian if (ifm->ifm_index > have) { 25838381Sbrian char **newifs; 25938381Sbrian 26032425Sbrian had = have; 26132425Sbrian have = ifm->ifm_index + 5; 26232425Sbrian if (had) 26338381Sbrian newifs = (char **)realloc(ifs, sizeof(char *) * have); 26432425Sbrian else 26538381Sbrian newifs = (char **)malloc(sizeof(char *) * have); 26638381Sbrian if (!newifs) { 26736285Sbrian log_Printf(LogDEBUG, "Index2Nam: %s\n", strerror(errno)); 26896582Sbrian route_nifs = 0; 26950427Sbrian if (ifs) { 27038381Sbrian free(ifs); 27150427Sbrian ifs = NULL; 27250427Sbrian } 27350427Sbrian free(buf); 27458034Sbrian return NumStr(idx, NULL, 0); 27532425Sbrian } 27638381Sbrian ifs = newifs; 27732425Sbrian memset(ifs + had, '\0', sizeof(char *) * (have - had)); 27832425Sbrian } 27932425Sbrian if (ifs[ifm->ifm_index-1] == NULL) { 28032425Sbrian ifs[ifm->ifm_index-1] = (char *)malloc(dl->sdl_nlen+1); 281136375Sbrian if (ifs[ifm->ifm_index-1] == NULL) 282136375Sbrian log_Printf(LogDEBUG, "Skipping interface %d: Out of memory\n", 283136375Sbrian ifm->ifm_index); 284136375Sbrian else { 285136375Sbrian memcpy(ifs[ifm->ifm_index-1], dl->sdl_data, dl->sdl_nlen); 286136375Sbrian ifs[ifm->ifm_index-1][dl->sdl_nlen] = '\0'; 287136375Sbrian if (route_nifs < ifm->ifm_index) 288136375Sbrian route_nifs = ifm->ifm_index; 289136375Sbrian } 29032425Sbrian } 29136285Sbrian } else if (log_IsKept(LogDEBUG)) 29236285Sbrian log_Printf(LogDEBUG, "Skipping out-of-range interface %d!\n", 29331354Sbrian ifm->ifm_index); 29431176Sbrian } 29531176Sbrian free(buf); 29631176Sbrian } 29731176Sbrian 29836285Sbrian if (log_IsKept(LogDEBUG) && !debug_done) { 29931354Sbrian int f; 30031354Sbrian 30136285Sbrian log_Printf(LogDEBUG, "Found the following interfaces:\n"); 30296582Sbrian for (f = 0; f < route_nifs; f++) 30332425Sbrian if (ifs[f] != NULL) 30436285Sbrian log_Printf(LogDEBUG, " Index %d, name \"%s\"\n", f+1, ifs[f]); 30531354Sbrian debug_done = 1; 30631354Sbrian } 30731354Sbrian 30896582Sbrian if (idx < 1 || idx > route_nifs || ifs[idx-1] == NULL) 30958034Sbrian return NumStr(idx, NULL, 0); 31031354Sbrian 31131354Sbrian return ifs[idx-1]; 31231176Sbrian} 31331176Sbrian 31458032Sbrianvoid 31558032Sbrianroute_ParseHdr(struct rt_msghdr *rtm, struct sockaddr *sa[RTAX_MAX]) 31658032Sbrian{ 31758032Sbrian char *wp; 31858032Sbrian int rtax; 31958032Sbrian 32058032Sbrian wp = (char *)(rtm + 1); 32158032Sbrian 32258032Sbrian for (rtax = 0; rtax < RTAX_MAX; rtax++) 32358032Sbrian if (rtm->rtm_addrs & (1 << rtax)) { 32458032Sbrian sa[rtax] = (struct sockaddr *)wp; 32558032Sbrian wp += ROUNDUP(sa[rtax]->sa_len); 32693463Sbrian if (sa[rtax]->sa_family == 0) 32786832Sbrian sa[rtax] = NULL; /* ??? */ 32858032Sbrian } else 32958032Sbrian sa[rtax] = NULL; 33058032Sbrian} 33158032Sbrian 3326059Samuraiint 33336285Sbrianroute_Show(struct cmdargs const *arg) 3346059Samurai{ 3356059Samurai struct rt_msghdr *rtm; 33658032Sbrian struct sockaddr *sa[RTAX_MAX]; 33758032Sbrian char *sp, *ep, *cp; 33832021Sbrian size_t needed; 3396735Samurai int mib[6]; 3406059Samurai 3416059Samurai mib[0] = CTL_NET; 3426059Samurai mib[1] = PF_ROUTE; 3436735Samurai mib[2] = 0; 3446735Samurai mib[3] = 0; 3456059Samurai mib[4] = NET_RT_DUMP; 3466735Samurai mib[5] = 0; 3476735Samurai if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 34836285Sbrian log_Printf(LogERROR, "route_Show: sysctl: estimate: %s\n", strerror(errno)); 34928679Sbrian return (1); 3506735Samurai } 3516059Samurai sp = malloc(needed); 3526059Samurai if (sp == NULL) 35328679Sbrian return (1); 3546735Samurai if (sysctl(mib, 6, sp, &needed, NULL, 0) < 0) { 35536285Sbrian log_Printf(LogERROR, "route_Show: sysctl: getroute: %s\n", strerror(errno)); 35618885Sjkh free(sp); 35728679Sbrian return (1); 3586735Samurai } 3596059Samurai ep = sp + needed; 3606059Samurai 36136285Sbrian prompt_Printf(arg->prompt, "%-20s%-20sFlags Netif\n", 36236285Sbrian "Destination", "Gateway"); 3636059Samurai for (cp = sp; cp < ep; cp += rtm->rtm_msglen) { 36458032Sbrian rtm = (struct rt_msghdr *)cp; 36531176Sbrian 36658032Sbrian route_ParseHdr(rtm, sa); 36758031Sbrian 36858032Sbrian if (sa[RTAX_DST] && sa[RTAX_GATEWAY]) { 36958032Sbrian p_sockaddr(arg->prompt, sa[RTAX_DST], sa[RTAX_NETMASK], 20); 37058032Sbrian p_sockaddr(arg->prompt, sa[RTAX_GATEWAY], NULL, 20); 37131176Sbrian 37258031Sbrian p_flags(arg->prompt, rtm->rtm_flags, 6); 37358031Sbrian prompt_Printf(arg->prompt, " %s\n", Index2Nam(rtm->rtm_index)); 37458031Sbrian } else 37558031Sbrian prompt_Printf(arg->prompt, "<can't parse routing entry>\n"); 3766059Samurai } 37718885Sjkh free(sp); 37826516Sbrian return 0; 3796059Samurai} 3806059Samurai 3816059Samurai/* 3826059Samurai * Delete routes associated with our interface 3836059Samurai */ 3846059Samuraivoid 38536285Sbrianroute_IfDelete(struct bundle *bundle, int all) 3866059Samurai{ 3876059Samurai struct rt_msghdr *rtm; 38858032Sbrian struct sockaddr *sa[RTAX_MAX]; 38981634Sbrian struct ncprange range; 39032021Sbrian int pass; 39132021Sbrian size_t needed; 3926059Samurai char *sp, *cp, *ep; 3936735Samurai int mib[6]; 3946059Samurai 39540561Sbrian log_Printf(LogDEBUG, "route_IfDelete (%d)\n", bundle->iface->index); 39626516Sbrian 3976059Samurai mib[0] = CTL_NET; 3986059Samurai mib[1] = PF_ROUTE; 3996735Samurai mib[2] = 0; 4006735Samurai mib[3] = 0; 4016059Samurai mib[4] = NET_RT_DUMP; 4026735Samurai mib[5] = 0; 4036735Samurai if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 40436285Sbrian log_Printf(LogERROR, "route_IfDelete: sysctl: estimate: %s\n", 40575212Sbrian strerror(errno)); 4066735Samurai return; 4076735Samurai } 4086059Samurai 4096059Samurai sp = malloc(needed); 4106059Samurai if (sp == NULL) 4116059Samurai return; 4126059Samurai 4136735Samurai if (sysctl(mib, 6, sp, &needed, NULL, 0) < 0) { 41436285Sbrian log_Printf(LogERROR, "route_IfDelete: sysctl: getroute: %s\n", 41575212Sbrian strerror(errno)); 4166059Samurai free(sp); 4176059Samurai return; 4186059Samurai } 4196059Samurai ep = sp + needed; 4206059Samurai 42131739Sbrian for (pass = 0; pass < 2; pass++) { 42231739Sbrian /* 42331739Sbrian * We do 2 passes. The first deletes all cloned routes. The second 42458032Sbrian * deletes all non-cloned routes. This is done to avoid 42531739Sbrian * potential errors from trying to delete route X after route Y where 42636285Sbrian * route X was cloned from route Y (and is no longer there 'cos it 42736285Sbrian * may have gone with route Y). 42831739Sbrian */ 42931739Sbrian if (RTF_WASCLONED == 0 && pass == 0) 43031739Sbrian /* So we can't tell ! */ 43131739Sbrian continue; 43231739Sbrian for (cp = sp; cp < ep; cp += rtm->rtm_msglen) { 43358032Sbrian rtm = (struct rt_msghdr *)cp; 43458032Sbrian route_ParseHdr(rtm, sa); 43581634Sbrian if (rtm->rtm_index == bundle->iface->index && 43681634Sbrian sa[RTAX_DST] && sa[RTAX_GATEWAY] && 43781634Sbrian (sa[RTAX_DST]->sa_family == AF_INET 43881634Sbrian#ifndef NOINET6 43981634Sbrian || sa[RTAX_DST]->sa_family == AF_INET6 44081634Sbrian#endif 44181634Sbrian ) && 44281634Sbrian (all || (rtm->rtm_flags & RTF_GATEWAY))) { 44381634Sbrian if (log_IsKept(LogDEBUG)) { 44481634Sbrian char gwstr[41]; 44581634Sbrian struct ncpaddr gw; 44681634Sbrian ncprange_setsa(&range, sa[RTAX_DST], sa[RTAX_NETMASK]); 44781634Sbrian ncpaddr_setsa(&gw, sa[RTAX_GATEWAY]); 44881634Sbrian snprintf(gwstr, sizeof gwstr, "%s", ncpaddr_ntoa(&gw)); 44981634Sbrian log_Printf(LogDEBUG, "Found %s %s\n", ncprange_ntoa(&range), gwstr); 45081634Sbrian } 45181634Sbrian if (sa[RTAX_GATEWAY]->sa_family == AF_INET || 45281634Sbrian#ifndef NOINET6 45381634Sbrian sa[RTAX_GATEWAY]->sa_family == AF_INET6 || 45481634Sbrian#endif 45581634Sbrian sa[RTAX_GATEWAY]->sa_family == AF_LINK) { 45681634Sbrian if ((pass == 0 && (rtm->rtm_flags & RTF_WASCLONED)) || 45781634Sbrian (pass == 1 && !(rtm->rtm_flags & RTF_WASCLONED))) { 45881634Sbrian ncprange_setsa(&range, sa[RTAX_DST], sa[RTAX_NETMASK]); 45981634Sbrian rt_Set(bundle, RTM_DELETE, &range, NULL, 0, 0); 46031739Sbrian } else 46181634Sbrian log_Printf(LogDEBUG, "route_IfDelete: Skip it (pass %d)\n", pass); 46281634Sbrian } else 46381634Sbrian log_Printf(LogDEBUG, 46481634Sbrian "route_IfDelete: Can't remove routes for family %d\n", 46581634Sbrian sa[RTAX_GATEWAY]->sa_family); 46631739Sbrian } 4676059Samurai } 4686059Samurai } 4696059Samurai free(sp); 4706059Samurai} 4716059Samurai 47275212Sbrian 47375212Sbrian/* 47475212Sbrian * Update the MTU on all routes for the given interface 47575212Sbrian */ 47675212Sbrianvoid 47775212Sbrianroute_UpdateMTU(struct bundle *bundle) 47875212Sbrian{ 47975212Sbrian struct rt_msghdr *rtm; 48075212Sbrian struct sockaddr *sa[RTAX_MAX]; 48181634Sbrian struct ncprange dst; 48275212Sbrian size_t needed; 48375212Sbrian char *sp, *cp, *ep; 48475212Sbrian int mib[6]; 48575212Sbrian 48675212Sbrian log_Printf(LogDEBUG, "route_UpdateMTU (%d)\n", bundle->iface->index); 48775212Sbrian 48875212Sbrian mib[0] = CTL_NET; 48975212Sbrian mib[1] = PF_ROUTE; 49075212Sbrian mib[2] = 0; 49175212Sbrian mib[3] = 0; 49275212Sbrian mib[4] = NET_RT_DUMP; 49375212Sbrian mib[5] = 0; 49475212Sbrian if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 49575212Sbrian log_Printf(LogERROR, "route_IfDelete: sysctl: estimate: %s\n", 49675212Sbrian strerror(errno)); 49775212Sbrian return; 49875212Sbrian } 49975212Sbrian 50075212Sbrian sp = malloc(needed); 50175212Sbrian if (sp == NULL) 50275212Sbrian return; 50375212Sbrian 50475212Sbrian if (sysctl(mib, 6, sp, &needed, NULL, 0) < 0) { 50575212Sbrian log_Printf(LogERROR, "route_IfDelete: sysctl: getroute: %s\n", 50675212Sbrian strerror(errno)); 50775212Sbrian free(sp); 50875212Sbrian return; 50975212Sbrian } 51075212Sbrian ep = sp + needed; 51175212Sbrian 51275212Sbrian for (cp = sp; cp < ep; cp += rtm->rtm_msglen) { 51375212Sbrian rtm = (struct rt_msghdr *)cp; 51475212Sbrian route_ParseHdr(rtm, sa); 51581886Sbrian if (sa[RTAX_DST] && (sa[RTAX_DST]->sa_family == AF_INET 51681739Sbrian#ifndef NOINET6 51781886Sbrian || sa[RTAX_DST]->sa_family == AF_INET6 51881739Sbrian#endif 51981739Sbrian ) && 52081739Sbrian sa[RTAX_GATEWAY] && rtm->rtm_index == bundle->iface->index) { 52181739Sbrian if (log_IsKept(LogTCPIP)) { 52281739Sbrian ncprange_setsa(&dst, sa[RTAX_DST], sa[RTAX_NETMASK]); 52381739Sbrian log_Printf(LogTCPIP, "route_UpdateMTU: Netif: %d (%s), dst %s," 524134789Sbrian " mtu %lu\n", rtm->rtm_index, Index2Nam(rtm->rtm_index), 52581739Sbrian ncprange_ntoa(&dst), bundle->iface->mtu); 52681739Sbrian } 52781739Sbrian rt_Update(bundle, sa[RTAX_DST], sa[RTAX_GATEWAY], sa[RTAX_NETMASK]); 52875212Sbrian } 52975212Sbrian } 53075212Sbrian 53175212Sbrian free(sp); 53275212Sbrian} 53375212Sbrian 5346059Samuraiint 53528679SbrianGetIfIndex(char *name) 5366059Samurai{ 53731176Sbrian int idx; 53828679Sbrian 53931354Sbrian idx = 1; 54096582Sbrian while (route_nifs == -1 || idx < route_nifs) 54196582Sbrian if (strcmp(Index2Nam(idx), name) == 0) 54236285Sbrian return idx; 54331176Sbrian else 54431176Sbrian idx++; 54531176Sbrian return -1; 5466059Samurai} 54731690Sbrian 54836285Sbrianvoid 54936285Sbrianroute_Change(struct bundle *bundle, struct sticky_route *r, 55081634Sbrian const struct ncpaddr *me, const struct ncpaddr *peer) 55131690Sbrian{ 55281634Sbrian struct ncpaddr dst; 55331690Sbrian 55436285Sbrian for (; r; r = r->next) { 55581634Sbrian ncprange_getaddr(&r->dst, &dst); 55681634Sbrian if (ncpaddr_family(me) == AF_INET) { 55781634Sbrian if ((r->type & ROUTE_DSTMYADDR) && !ncpaddr_equal(&dst, me)) { 55881634Sbrian rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0); 55981634Sbrian ncprange_sethost(&r->dst, me); 56081634Sbrian if (r->type & ROUTE_GWHISADDR) 56181634Sbrian ncpaddr_copy(&r->gw, peer); 56281634Sbrian } else if ((r->type & ROUTE_DSTHISADDR) && !ncpaddr_equal(&dst, peer)) { 56381634Sbrian rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0); 56481634Sbrian ncprange_sethost(&r->dst, peer); 56581634Sbrian if (r->type & ROUTE_GWHISADDR) 56681634Sbrian ncpaddr_copy(&r->gw, peer); 56781634Sbrian } else if ((r->type & ROUTE_DSTDNS0) && !ncpaddr_equal(&dst, peer)) { 56881634Sbrian if (bundle->ncp.ipcp.ns.dns[0].s_addr == INADDR_NONE) 56981634Sbrian continue; 57081634Sbrian rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0); 57181634Sbrian if (r->type & ROUTE_GWHISADDR) 57281634Sbrian ncpaddr_copy(&r->gw, peer); 57381634Sbrian } else if ((r->type & ROUTE_DSTDNS1) && !ncpaddr_equal(&dst, peer)) { 57481634Sbrian if (bundle->ncp.ipcp.ns.dns[1].s_addr == INADDR_NONE) 57581634Sbrian continue; 57681634Sbrian rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0); 57781634Sbrian if (r->type & ROUTE_GWHISADDR) 57881634Sbrian ncpaddr_copy(&r->gw, peer); 57981634Sbrian } else if ((r->type & ROUTE_GWHISADDR) && !ncpaddr_equal(&r->gw, peer)) 58081634Sbrian ncpaddr_copy(&r->gw, peer); 58181634Sbrian#ifndef NOINET6 58281634Sbrian } else if (ncpaddr_family(me) == AF_INET6) { 58381634Sbrian if ((r->type & ROUTE_DSTMYADDR6) && !ncpaddr_equal(&dst, me)) { 58481634Sbrian rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0); 58581634Sbrian ncprange_sethost(&r->dst, me); 58681634Sbrian if (r->type & ROUTE_GWHISADDR) 58781634Sbrian ncpaddr_copy(&r->gw, peer); 58881634Sbrian } else if ((r->type & ROUTE_DSTHISADDR6) && !ncpaddr_equal(&dst, peer)) { 58981634Sbrian rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0); 59081634Sbrian ncprange_sethost(&r->dst, peer); 59181634Sbrian if (r->type & ROUTE_GWHISADDR) 59281634Sbrian ncpaddr_copy(&r->gw, peer); 59381634Sbrian } else if ((r->type & ROUTE_GWHISADDR6) && !ncpaddr_equal(&r->gw, peer)) 59481634Sbrian ncpaddr_copy(&r->gw, peer); 59581634Sbrian#endif 59681634Sbrian } 59781634Sbrian rt_Set(bundle, RTM_ADD, &r->dst, &r->gw, 1, 0); 59836285Sbrian } 59936285Sbrian} 60036285Sbrian 60136285Sbrianvoid 60281634Sbrianroute_Add(struct sticky_route **rp, int type, const struct ncprange *dst, 60381634Sbrian const struct ncpaddr *gw) 60436285Sbrian{ 60543313Sbrian struct sticky_route *r; 60643313Sbrian int dsttype = type & ROUTE_DSTANY; 60736285Sbrian 60843313Sbrian r = NULL; 60943313Sbrian while (*rp) { 61043313Sbrian if ((dsttype && dsttype == ((*rp)->type & ROUTE_DSTANY)) || 61181634Sbrian (!dsttype && ncprange_equal(&(*rp)->dst, dst))) { 61243313Sbrian /* Oops, we already have this route - unlink it */ 61343313Sbrian free(r); /* impossible really */ 61443313Sbrian r = *rp; 61543313Sbrian *rp = r->next; 61643313Sbrian } else 61743313Sbrian rp = &(*rp)->next; 61843313Sbrian } 61936285Sbrian 620136375Sbrian if (r == NULL) { 62143313Sbrian r = (struct sticky_route *)malloc(sizeof(struct sticky_route)); 622136375Sbrian if (r == NULL) { 623136375Sbrian log_Printf(LogERROR, "route_Add: Out of memory!\n"); 624136375Sbrian return; 625136375Sbrian } 626136375Sbrian } 62743313Sbrian r->type = type; 62843313Sbrian r->next = NULL; 62981634Sbrian ncprange_copy(&r->dst, dst); 63081634Sbrian ncpaddr_copy(&r->gw, gw); 63181692Sbrian *rp = r; 63236285Sbrian} 63336285Sbrian 63436285Sbrianvoid 63581634Sbrianroute_Delete(struct sticky_route **rp, int type, const struct ncprange *dst) 63636285Sbrian{ 63736285Sbrian struct sticky_route *r; 63836285Sbrian int dsttype = type & ROUTE_DSTANY; 63936285Sbrian 64036285Sbrian for (; *rp; rp = &(*rp)->next) { 64136285Sbrian if ((dsttype && dsttype == ((*rp)->type & ROUTE_DSTANY)) || 64281634Sbrian (!dsttype && ncprange_equal(dst, &(*rp)->dst))) { 64336285Sbrian r = *rp; 64436285Sbrian *rp = r->next; 64536285Sbrian free(r); 64631690Sbrian break; 64731690Sbrian } 64831690Sbrian } 64936285Sbrian} 65031690Sbrian 65136285Sbrianvoid 65236285Sbrianroute_DeleteAll(struct sticky_route **rp) 65336285Sbrian{ 65436285Sbrian struct sticky_route *r, *rn; 65536285Sbrian 65636285Sbrian for (r = *rp; r; r = rn) { 65736285Sbrian rn = r->next; 65836285Sbrian free(r); 65931690Sbrian } 66036285Sbrian *rp = NULL; 66136285Sbrian} 66231690Sbrian 66336285Sbrianvoid 66443313Sbrianroute_ShowSticky(struct prompt *p, struct sticky_route *r, const char *tag, 66543313Sbrian int indent) 66636285Sbrian{ 66743313Sbrian int tlen = strlen(tag); 66836285Sbrian 66943313Sbrian if (tlen + 2 > indent) 67043313Sbrian prompt_Printf(p, "%s:\n%*s", tag, indent, ""); 67143313Sbrian else 67243313Sbrian prompt_Printf(p, "%s:%*s", tag, indent - tlen - 1, ""); 67343313Sbrian 67436285Sbrian for (; r; r = r->next) { 67543313Sbrian prompt_Printf(p, "%*sadd ", tlen ? 0 : indent, ""); 67643313Sbrian tlen = 0; 67736285Sbrian if (r->type & ROUTE_DSTMYADDR) 67836285Sbrian prompt_Printf(p, "MYADDR"); 67981634Sbrian else if (r->type & ROUTE_DSTMYADDR6) 68081634Sbrian prompt_Printf(p, "MYADDR6"); 68136285Sbrian else if (r->type & ROUTE_DSTHISADDR) 68236285Sbrian prompt_Printf(p, "HISADDR"); 68381634Sbrian else if (r->type & ROUTE_DSTHISADDR6) 68481634Sbrian prompt_Printf(p, "HISADDR6"); 68558044Sbrian else if (r->type & ROUTE_DSTDNS0) 68658044Sbrian prompt_Printf(p, "DNS0"); 68758044Sbrian else if (r->type & ROUTE_DSTDNS1) 68858044Sbrian prompt_Printf(p, "DNS1"); 68981634Sbrian else if (ncprange_isdefault(&r->dst)) 69081634Sbrian prompt_Printf(p, "default"); 69136285Sbrian else 69281634Sbrian prompt_Printf(p, "%s", ncprange_ntoa(&r->dst)); 69336285Sbrian 69436285Sbrian if (r->type & ROUTE_GWHISADDR) 69581634Sbrian prompt_Printf(p, " HISADDR\n"); 69681634Sbrian else if (r->type & ROUTE_GWHISADDR6) 69781634Sbrian prompt_Printf(p, " HISADDR6\n"); 69836285Sbrian else 69981634Sbrian prompt_Printf(p, " %s\n", ncpaddr_ntoa(&r->gw)); 70036285Sbrian } 70131690Sbrian} 70275212Sbrian 70375212Sbrianstruct rtmsg { 70475212Sbrian struct rt_msghdr m_rtm; 70581634Sbrian char m_space[256]; 70675212Sbrian}; 70775212Sbrian 70886833Sbrianstatic size_t 70986833Sbrianmemcpy_roundup(char *cp, const void *data, size_t len) 71086833Sbrian{ 71186833Sbrian size_t padlen; 71286833Sbrian 71386833Sbrian padlen = ROUNDUP(len); 71486833Sbrian memcpy(cp, data, len); 71586833Sbrian if (padlen > len) 71686833Sbrian memset(cp + len, '\0', padlen - len); 71786833Sbrian 71886833Sbrian return padlen; 71986833Sbrian} 72086833Sbrian 721112616Sume#if defined(__KAME__) && !defined(NOINET6) 722112616Sumestatic void 723112616Sumeadd_scope(struct sockaddr *sa, int ifindex) 724112616Sume{ 725112616Sume struct sockaddr_in6 *sa6; 726112616Sume 727112616Sume if (sa->sa_family != AF_INET6) 728112616Sume return; 729112616Sume sa6 = (struct sockaddr_in6 *)sa; 730112616Sume if (!IN6_IS_ADDR_LINKLOCAL(&sa6->sin6_addr) && 731112616Sume !IN6_IS_ADDR_MC_LINKLOCAL(&sa6->sin6_addr)) 732112616Sume return; 733112616Sume if (*(u_int16_t *)&sa6->sin6_addr.s6_addr[2] != 0) 734112616Sume return; 735112616Sume *(u_int16_t *)&sa6->sin6_addr.s6_addr[2] = htons(ifindex); 736112616Sume} 737112616Sume#endif 738112616Sume 73975212Sbrianint 74081634Sbrianrt_Set(struct bundle *bundle, int cmd, const struct ncprange *dst, 74181634Sbrian const struct ncpaddr *gw, int bang, int quiet) 74275212Sbrian{ 74375212Sbrian struct rtmsg rtmes; 74486825Sbrian int s, nb, wb; 74575212Sbrian char *cp; 74675212Sbrian const char *cmdstr; 74781634Sbrian struct sockaddr_storage sadst, samask, sagw; 74875212Sbrian int result = 1; 74975212Sbrian 75075212Sbrian if (bang) 75175212Sbrian cmdstr = (cmd == RTM_ADD ? "Add!" : "Delete!"); 75275212Sbrian else 75375212Sbrian cmdstr = (cmd == RTM_ADD ? "Add" : "Delete"); 75489422Sbrian s = ID0socket(PF_ROUTE, SOCK_RAW, 0); 75575212Sbrian if (s < 0) { 75675212Sbrian log_Printf(LogERROR, "rt_Set: socket(): %s\n", strerror(errno)); 75775212Sbrian return result; 75875212Sbrian } 75975212Sbrian memset(&rtmes, '\0', sizeof rtmes); 76075212Sbrian rtmes.m_rtm.rtm_version = RTM_VERSION; 76175212Sbrian rtmes.m_rtm.rtm_type = cmd; 76275212Sbrian rtmes.m_rtm.rtm_addrs = RTA_DST; 76375212Sbrian rtmes.m_rtm.rtm_seq = ++bundle->routing_seq; 76475212Sbrian rtmes.m_rtm.rtm_pid = getpid(); 76575212Sbrian rtmes.m_rtm.rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC; 76675212Sbrian 76775212Sbrian if (cmd == RTM_ADD) { 76881634Sbrian if (bundle->ncp.cfg.sendpipe > 0) { 76981634Sbrian rtmes.m_rtm.rtm_rmx.rmx_sendpipe = bundle->ncp.cfg.sendpipe; 77075212Sbrian rtmes.m_rtm.rtm_inits |= RTV_SPIPE; 77175212Sbrian } 77281634Sbrian if (bundle->ncp.cfg.recvpipe > 0) { 77381634Sbrian rtmes.m_rtm.rtm_rmx.rmx_recvpipe = bundle->ncp.cfg.recvpipe; 77475212Sbrian rtmes.m_rtm.rtm_inits |= RTV_RPIPE; 77575212Sbrian } 77675212Sbrian } 77775212Sbrian 77881634Sbrian ncprange_getsa(dst, &sadst, &samask); 779112616Sume#if defined(__KAME__) && !defined(NOINET6) 780112616Sume add_scope((struct sockaddr *)&sadst, bundle->iface->index); 781112616Sume#endif 78275212Sbrian 78375212Sbrian cp = rtmes.m_space; 78486833Sbrian cp += memcpy_roundup(cp, &sadst, sadst.ss_len); 78575212Sbrian if (cmd == RTM_ADD) { 78681634Sbrian if (gw == NULL) { 78781634Sbrian log_Printf(LogERROR, "rt_Set: Program error\n"); 78881634Sbrian close(s); 78981634Sbrian return result; 79081634Sbrian } 79181634Sbrian ncpaddr_getsa(gw, &sagw); 792112616Sume#if defined(__KAME__) && !defined(NOINET6) 793112616Sume add_scope((struct sockaddr *)&sagw, bundle->iface->index); 794112616Sume#endif 79581634Sbrian if (ncpaddr_isdefault(gw)) { 79681634Sbrian if (!quiet) 79775212Sbrian log_Printf(LogERROR, "rt_Set: Cannot add a route with" 79883031Sbrian " gateway 0.0.0.0\n"); 79975212Sbrian close(s); 80075212Sbrian return result; 80175212Sbrian } else { 80286833Sbrian cp += memcpy_roundup(cp, &sagw, sagw.ss_len); 80375212Sbrian rtmes.m_rtm.rtm_addrs |= RTA_GATEWAY; 80475212Sbrian } 80575212Sbrian } 80675212Sbrian 80786815Sbrian if (!ncprange_ishost(dst)) { 80886833Sbrian cp += memcpy_roundup(cp, &samask, samask.ss_len); 80975212Sbrian rtmes.m_rtm.rtm_addrs |= RTA_NETMASK; 81075212Sbrian } 81175212Sbrian 81275212Sbrian nb = cp - (char *)&rtmes; 81375212Sbrian rtmes.m_rtm.rtm_msglen = nb; 81475212Sbrian wb = ID0write(s, &rtmes, nb); 81575212Sbrian if (wb < 0) { 81675212Sbrian log_Printf(LogTCPIP, "rt_Set failure:\n"); 81775212Sbrian log_Printf(LogTCPIP, "rt_Set: Cmd = %s\n", cmdstr); 81881634Sbrian log_Printf(LogTCPIP, "rt_Set: Dst = %s\n", ncprange_ntoa(dst)); 81981634Sbrian if (gw != NULL) 82081634Sbrian log_Printf(LogTCPIP, "rt_Set: Gateway = %s\n", ncpaddr_ntoa(gw)); 82175212Sbrianfailed: 82275212Sbrian if (cmd == RTM_ADD && (rtmes.m_rtm.rtm_errno == EEXIST || 82375212Sbrian (rtmes.m_rtm.rtm_errno == 0 && errno == EEXIST))) { 82475212Sbrian if (!bang) { 82575212Sbrian log_Printf(LogWARN, "Add route failed: %s already exists\n", 82681634Sbrian ncprange_ntoa(dst)); 82775212Sbrian result = 0; /* Don't add to our dynamic list */ 82875212Sbrian } else { 82975212Sbrian rtmes.m_rtm.rtm_type = cmd = RTM_CHANGE; 83075212Sbrian if ((wb = ID0write(s, &rtmes, nb)) < 0) 83175212Sbrian goto failed; 83275212Sbrian } 83375212Sbrian } else if (cmd == RTM_DELETE && 83475212Sbrian (rtmes.m_rtm.rtm_errno == ESRCH || 83575212Sbrian (rtmes.m_rtm.rtm_errno == 0 && errno == ESRCH))) { 83675212Sbrian if (!bang) 83775212Sbrian log_Printf(LogWARN, "Del route failed: %s: Non-existent\n", 83881634Sbrian ncprange_ntoa(dst)); 83975212Sbrian } else if (rtmes.m_rtm.rtm_errno == 0) { 84081634Sbrian if (!quiet || errno != ENETUNREACH) 84175212Sbrian log_Printf(LogWARN, "%s route failed: %s: errno: %s\n", cmdstr, 84281634Sbrian ncprange_ntoa(dst), strerror(errno)); 84375212Sbrian } else 84475212Sbrian log_Printf(LogWARN, "%s route failed: %s: %s\n", 84581634Sbrian cmdstr, ncprange_ntoa(dst), strerror(rtmes.m_rtm.rtm_errno)); 84675212Sbrian } 84775212Sbrian 84881634Sbrian if (log_IsKept(LogDEBUG)) { 84981634Sbrian char gwstr[40]; 85081634Sbrian 85181634Sbrian if (gw) 85281634Sbrian snprintf(gwstr, sizeof gwstr, "%s", ncpaddr_ntoa(gw)); 85381634Sbrian else 85481634Sbrian snprintf(gwstr, sizeof gwstr, "<none>"); 85581634Sbrian log_Printf(LogDEBUG, "wrote %d: cmd = %s, dst = %s, gateway = %s\n", 85681634Sbrian wb, cmdstr, ncprange_ntoa(dst), gwstr); 85781634Sbrian } 85875212Sbrian close(s); 85975212Sbrian 86075212Sbrian return result; 86175212Sbrian} 86275212Sbrian 86375212Sbrianvoid 86481739Sbrianrt_Update(struct bundle *bundle, const struct sockaddr *dst, 86581739Sbrian const struct sockaddr *gw, const struct sockaddr *mask) 86675212Sbrian{ 86781739Sbrian struct ncprange ncpdst; 86875212Sbrian struct rtmsg rtmes; 86981739Sbrian char *p; 87075212Sbrian int s, wb; 87175212Sbrian 87289422Sbrian s = ID0socket(PF_ROUTE, SOCK_RAW, 0); 87375212Sbrian if (s < 0) { 87475212Sbrian log_Printf(LogERROR, "rt_Update: socket(): %s\n", strerror(errno)); 87575212Sbrian return; 87675212Sbrian } 87775212Sbrian 87875212Sbrian memset(&rtmes, '\0', sizeof rtmes); 87975212Sbrian rtmes.m_rtm.rtm_version = RTM_VERSION; 88075212Sbrian rtmes.m_rtm.rtm_type = RTM_CHANGE; 88181934Sbrian rtmes.m_rtm.rtm_addrs = 0; 88275212Sbrian rtmes.m_rtm.rtm_seq = ++bundle->routing_seq; 88375212Sbrian rtmes.m_rtm.rtm_pid = getpid(); 88493421Sbrian rtmes.m_rtm.rtm_flags = RTF_UP | RTF_STATIC; 88575212Sbrian 88681634Sbrian if (bundle->ncp.cfg.sendpipe > 0) { 88781634Sbrian rtmes.m_rtm.rtm_rmx.rmx_sendpipe = bundle->ncp.cfg.sendpipe; 88875212Sbrian rtmes.m_rtm.rtm_inits |= RTV_SPIPE; 88975212Sbrian } 89075212Sbrian 89181634Sbrian if (bundle->ncp.cfg.recvpipe > 0) { 89281634Sbrian rtmes.m_rtm.rtm_rmx.rmx_recvpipe = bundle->ncp.cfg.recvpipe; 89375212Sbrian rtmes.m_rtm.rtm_inits |= RTV_RPIPE; 89475212Sbrian } 89575212Sbrian 89678410Sbrian rtmes.m_rtm.rtm_rmx.rmx_mtu = bundle->iface->mtu; 89775212Sbrian rtmes.m_rtm.rtm_inits |= RTV_MTU; 89881739Sbrian p = rtmes.m_space; 89975212Sbrian 90081739Sbrian if (dst) { 90181739Sbrian rtmes.m_rtm.rtm_addrs |= RTA_DST; 90286833Sbrian p += memcpy_roundup(p, dst, dst->sa_len); 90381739Sbrian } 90475212Sbrian 90593421Sbrian rtmes.m_rtm.rtm_addrs |= RTA_GATEWAY; 90693421Sbrian p += memcpy_roundup(p, gw, gw->sa_len); 90793421Sbrian if (mask) { 90893421Sbrian rtmes.m_rtm.rtm_addrs |= RTA_NETMASK; 90993421Sbrian p += memcpy_roundup(p, mask, mask->sa_len); 91093421Sbrian } 91193421Sbrian 91281739Sbrian rtmes.m_rtm.rtm_msglen = p - (char *)&rtmes; 91375212Sbrian 91475212Sbrian wb = ID0write(s, &rtmes, rtmes.m_rtm.rtm_msglen); 91575212Sbrian if (wb < 0) { 91681739Sbrian ncprange_setsa(&ncpdst, dst, mask); 91781739Sbrian 91875212Sbrian log_Printf(LogTCPIP, "rt_Update failure:\n"); 91981739Sbrian log_Printf(LogTCPIP, "rt_Update: Dst = %s\n", ncprange_ntoa(&ncpdst)); 92075212Sbrian 92175212Sbrian if (rtmes.m_rtm.rtm_errno == 0) 92275212Sbrian log_Printf(LogWARN, "%s: Change route failed: errno: %s\n", 92381739Sbrian ncprange_ntoa(&ncpdst), strerror(errno)); 92475212Sbrian else 92575212Sbrian log_Printf(LogWARN, "%s: Change route failed: %s\n", 92681739Sbrian ncprange_ntoa(&ncpdst), strerror(rtmes.m_rtm.rtm_errno)); 92775212Sbrian } 92875212Sbrian close(s); 92975212Sbrian} 930