2 * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
3 * based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
4 * Internet Initiative Japan, Inc (IIJ)
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/param.h>
32 #include <sys/socket.h>
33 #include <net/if_types.h>
34 #include <net/route.h>
36 #include <netinet/in.h>
37 #include <arpa/inet.h>
38 #include <net/if_dl.h>
39 #include <netinet/in_systm.h>
40 #include <netinet/ip.h>
48 #include <sys/sysctl.h>
59 #include "throughput.h"
66 #include "slcompress.h"
70 #include "descriptor.h"
85 p_sockaddr(struct prompt *prompt, struct sockaddr *phost,
86 struct sockaddr *pmask, int width)
88 struct ncprange range;
90 struct sockaddr_dl *dl = (struct sockaddr_dl *)phost;
92 if (log_IsKept(LogDEBUG)) {
95 log_Printf(LogDEBUG, "Found the following sockaddr:\n");
96 log_Printf(LogDEBUG, " Family %d, len %d\n",
97 (int)phost->sa_family, (int)phost->sa_len);
98 inet_ntop(phost->sa_family, phost->sa_data, tmp, sizeof tmp);
99 log_Printf(LogDEBUG, " Addr %s\n", tmp);
101 inet_ntop(pmask->sa_family, pmask->sa_data, tmp, sizeof tmp);
102 log_Printf(LogDEBUG, " Mask %s\n", tmp);
106 switch (phost->sa_family) {
111 ncprange_setsa(&range, phost, pmask);
112 if (ncprange_isdefault(&range))
113 prompt_Printf(prompt, "%-*s ", width - 1, "default");
115 prompt_Printf(prompt, "%-*s ", width - 1, ncprange_ntoa(&range));
120 snprintf(buf, sizeof buf, "%.*s", dl->sdl_nlen, dl->sdl_data);
121 else if (dl->sdl_alen) {
122 if (dl->sdl_type == IFT_ETHER) {
123 if (dl->sdl_alen < sizeof buf / 3) {
127 MAC = (u_char *)dl->sdl_data + dl->sdl_nlen;
128 for (f = 0; f < dl->sdl_alen; f++)
129 sprintf(buf+f*3, "%02x:", MAC[f]);
132 strcpy(buf, "??:??:??:??:??:??");
134 sprintf(buf, "<IFT type %d>", dl->sdl_type);
135 } else if (dl->sdl_slen)
136 sprintf(buf, "<slen %d?>", dl->sdl_slen);
138 sprintf(buf, "link#%d", dl->sdl_index);
142 sprintf(buf, "<AF type %d>", phost->sa_family);
146 prompt_Printf(prompt, "%-*s ", width-1, buf);
154 { RTF_GATEWAY, 'G' },
157 { RTF_DYNAMIC, 'D' },
158 { RTF_MODIFIED, 'M' },
160 { RTF_CLONING, 'C' },
161 { RTF_XRESOLVE, 'X' },
166 { RTF_BLACKHOLE, 'B' },
168 { RTF_WASCLONED, 'W' },
171 { RTF_PRCLONING, 'c' },
177 { RTF_BROADCAST, 'b' },
182 #ifndef RTF_WASCLONED
183 #define RTF_WASCLONED (0)
187 p_flags(struct prompt *prompt, u_int32_t f, unsigned max)
189 char name[33], *flags;
190 register struct bits *p = bits;
192 if (max > sizeof name - 1)
193 max = sizeof name - 1;
195 for (flags = name; p->b_mask && flags - name < (int)max; p++)
199 prompt_Printf(prompt, "%-*.*s", (int)max, (int)max, name);
202 static int route_nifs = -1;
208 * XXX: Maybe we should select() on the routing socket so that we can
209 * notice interfaces that come & go (PCCARD support).
210 * Or we could even support a signal that resets these so that
211 * the PCCARD insert/remove events can signal ppp.
213 static char **ifs; /* Figure these out once */
214 static int debug_done; /* Debug once */
216 if (idx > route_nifs || (idx > 0 && ifs[idx-1] == NULL)) {
217 int mib[6], have, had;
219 char *buf, *ptr, *end;
220 struct sockaddr_dl *dl;
221 struct if_msghdr *ifm;
234 mib[4] = NET_RT_IFLIST;
237 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
238 log_Printf(LogERROR, "Index2Nam: sysctl: estimate: %s\n",
240 return NumStr(idx, NULL, 0);
242 if ((buf = malloc(needed)) == NULL)
243 return NumStr(idx, NULL, 0);
244 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
246 return NumStr(idx, NULL, 0);
251 for (ptr = buf; ptr < end; ptr += ifm->ifm_msglen) {
252 ifm = (struct if_msghdr *)ptr;
253 if (ifm->ifm_type != RTM_IFINFO)
255 dl = (struct sockaddr_dl *)(ifm + 1);
256 if (ifm->ifm_index > 0) {
257 if (ifm->ifm_index > have) {
261 have = ifm->ifm_index + 5;
263 newifs = (char **)realloc(ifs, sizeof(char *) * have);
265 newifs = (char **)malloc(sizeof(char *) * have);
267 log_Printf(LogDEBUG, "Index2Nam: %s\n", strerror(errno));
274 return NumStr(idx, NULL, 0);
277 memset(ifs + had, '\0', sizeof(char *) * (have - had));
279 if (ifs[ifm->ifm_index-1] == NULL) {
280 ifs[ifm->ifm_index-1] = (char *)malloc(dl->sdl_nlen+1);
281 if (ifs[ifm->ifm_index-1] == NULL)
282 log_Printf(LogDEBUG, "Skipping interface %d: Out of memory\n",
285 memcpy(ifs[ifm->ifm_index-1], dl->sdl_data, dl->sdl_nlen);
286 ifs[ifm->ifm_index-1][dl->sdl_nlen] = '\0';
287 if (route_nifs < ifm->ifm_index)
288 route_nifs = ifm->ifm_index;
291 } else if (log_IsKept(LogDEBUG))
292 log_Printf(LogDEBUG, "Skipping out-of-range interface %d!\n",
298 if (log_IsKept(LogDEBUG) && !debug_done) {
301 log_Printf(LogDEBUG, "Found the following interfaces:\n");
302 for (f = 0; f < route_nifs; f++)
304 log_Printf(LogDEBUG, " Index %d, name \"%s\"\n", f+1, ifs[f]);
308 if (idx < 1 || idx > route_nifs || ifs[idx-1] == NULL)
309 return NumStr(idx, NULL, 0);
315 route_ParseHdr(struct rt_msghdr *rtm, struct sockaddr *sa[RTAX_MAX])
320 wp = (char *)(rtm + 1);
322 for (rtax = 0; rtax < RTAX_MAX; rtax++)
323 if (rtm->rtm_addrs & (1 << rtax)) {
324 sa[rtax] = (struct sockaddr *)wp;
325 wp += ROUNDUP(sa[rtax]->sa_len);
326 if (sa[rtax]->sa_family == 0)
327 sa[rtax] = NULL; /* ??? */
333 route_Show(struct cmdargs const *arg)
335 struct rt_msghdr *rtm;
336 struct sockaddr *sa[RTAX_MAX];
345 mib[4] = NET_RT_DUMP;
347 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
348 log_Printf(LogERROR, "route_Show: sysctl: estimate: %s\n", strerror(errno));
354 if (sysctl(mib, 6, sp, &needed, NULL, 0) < 0) {
355 log_Printf(LogERROR, "route_Show: sysctl: getroute: %s\n", strerror(errno));
361 prompt_Printf(arg->prompt, "%-20s%-20sFlags Netif\n",
362 "Destination", "Gateway");
363 for (cp = sp; cp < ep; cp += rtm->rtm_msglen) {
364 rtm = (struct rt_msghdr *)cp;
366 route_ParseHdr(rtm, sa);
368 if (sa[RTAX_DST] && sa[RTAX_GATEWAY]) {
369 p_sockaddr(arg->prompt, sa[RTAX_DST], sa[RTAX_NETMASK], 20);
370 p_sockaddr(arg->prompt, sa[RTAX_GATEWAY], NULL, 20);
372 p_flags(arg->prompt, rtm->rtm_flags, 6);
373 prompt_Printf(arg->prompt, " %s\n", Index2Nam(rtm->rtm_index));
375 prompt_Printf(arg->prompt, "<can't parse routing entry>\n");
382 * Delete routes associated with our interface
385 route_IfDelete(struct bundle *bundle, int all)
387 struct rt_msghdr *rtm;
388 struct sockaddr *sa[RTAX_MAX];
389 struct ncprange range;
395 log_Printf(LogDEBUG, "route_IfDelete (%d)\n", bundle->iface->index);
401 mib[4] = NET_RT_DUMP;
403 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
404 log_Printf(LogERROR, "route_IfDelete: sysctl: estimate: %s\n",
413 if (sysctl(mib, 6, sp, &needed, NULL, 0) < 0) {
414 log_Printf(LogERROR, "route_IfDelete: sysctl: getroute: %s\n",
421 for (pass = 0; pass < 2; pass++) {
423 * We do 2 passes. The first deletes all cloned routes. The second
424 * deletes all non-cloned routes. This is done to avoid
425 * potential errors from trying to delete route X after route Y where
426 * route X was cloned from route Y (and is no longer there 'cos it
427 * may have gone with route Y).
429 if (RTF_WASCLONED == 0 && pass == 0)
430 /* So we can't tell ! */
432 for (cp = sp; cp < ep; cp += rtm->rtm_msglen) {
433 rtm = (struct rt_msghdr *)cp;
434 route_ParseHdr(rtm, sa);
435 if (rtm->rtm_index == bundle->iface->index &&
436 sa[RTAX_DST] && sa[RTAX_GATEWAY] &&
437 (sa[RTAX_DST]->sa_family == AF_INET
439 || sa[RTAX_DST]->sa_family == AF_INET6
442 (all || (rtm->rtm_flags & RTF_GATEWAY))) {
443 if (log_IsKept(LogDEBUG)) {
446 ncprange_setsa(&range, sa[RTAX_DST], sa[RTAX_NETMASK]);
447 ncpaddr_setsa(&gw, sa[RTAX_GATEWAY]);
448 snprintf(gwstr, sizeof gwstr, "%s", ncpaddr_ntoa(&gw));
449 log_Printf(LogDEBUG, "Found %s %s\n", ncprange_ntoa(&range), gwstr);
451 if (sa[RTAX_GATEWAY]->sa_family == AF_INET ||
453 sa[RTAX_GATEWAY]->sa_family == AF_INET6 ||
455 sa[RTAX_GATEWAY]->sa_family == AF_LINK) {
456 if ((pass == 0 && (rtm->rtm_flags & RTF_WASCLONED)) ||
457 (pass == 1 && !(rtm->rtm_flags & RTF_WASCLONED))) {
458 ncprange_setsa(&range, sa[RTAX_DST], sa[RTAX_NETMASK]);
459 rt_Set(bundle, RTM_DELETE, &range, NULL, 0, 0);
461 log_Printf(LogDEBUG, "route_IfDelete: Skip it (pass %d)\n", pass);
464 "route_IfDelete: Can't remove routes for family %d\n",
465 sa[RTAX_GATEWAY]->sa_family);
474 * Update the MTU on all routes for the given interface
477 route_UpdateMTU(struct bundle *bundle)
479 struct rt_msghdr *rtm;
480 struct sockaddr *sa[RTAX_MAX];
486 log_Printf(LogDEBUG, "route_UpdateMTU (%d)\n", bundle->iface->index);
492 mib[4] = NET_RT_DUMP;
494 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
495 log_Printf(LogERROR, "route_IfDelete: sysctl: estimate: %s\n",
504 if (sysctl(mib, 6, sp, &needed, NULL, 0) < 0) {
505 log_Printf(LogERROR, "route_IfDelete: sysctl: getroute: %s\n",
512 for (cp = sp; cp < ep; cp += rtm->rtm_msglen) {
513 rtm = (struct rt_msghdr *)cp;
514 route_ParseHdr(rtm, sa);
515 if (sa[RTAX_DST] && (sa[RTAX_DST]->sa_family == AF_INET
517 || sa[RTAX_DST]->sa_family == AF_INET6
520 sa[RTAX_GATEWAY] && rtm->rtm_index == bundle->iface->index) {
521 if (log_IsKept(LogTCPIP)) {
522 ncprange_setsa(&dst, sa[RTAX_DST], sa[RTAX_NETMASK]);
523 log_Printf(LogTCPIP, "route_UpdateMTU: Netif: %d (%s), dst %s,"
524 " mtu %lu\n", rtm->rtm_index, Index2Nam(rtm->rtm_index),
525 ncprange_ntoa(&dst), bundle->iface->mtu);
527 rt_Update(bundle, sa[RTAX_DST], sa[RTAX_GATEWAY], sa[RTAX_NETMASK]);
535 GetIfIndex(char *name)
540 while (route_nifs == -1 || idx < route_nifs)
541 if (strcmp(Index2Nam(idx), name) == 0)
549 route_Change(struct bundle *bundle, struct sticky_route *r,
550 const struct ncpaddr *me, const struct ncpaddr *peer)
554 for (; r; r = r->next) {
555 ncprange_getaddr(&r->dst, &dst);
556 if (ncpaddr_family(me) == AF_INET) {
557 if ((r->type & ROUTE_DSTMYADDR) && !ncpaddr_equal(&dst, me)) {
558 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
559 ncprange_sethost(&r->dst, me);
560 if (r->type & ROUTE_GWHISADDR)
561 ncpaddr_copy(&r->gw, peer);
562 } else if ((r->type & ROUTE_DSTHISADDR) && !ncpaddr_equal(&dst, peer)) {
563 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
564 ncprange_sethost(&r->dst, peer);
565 if (r->type & ROUTE_GWHISADDR)
566 ncpaddr_copy(&r->gw, peer);
567 } else if ((r->type & ROUTE_DSTDNS0) && !ncpaddr_equal(&dst, peer)) {
568 if (bundle->ncp.ipcp.ns.dns[0].s_addr == INADDR_NONE)
570 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
571 if (r->type & ROUTE_GWHISADDR)
572 ncpaddr_copy(&r->gw, peer);
573 } else if ((r->type & ROUTE_DSTDNS1) && !ncpaddr_equal(&dst, peer)) {
574 if (bundle->ncp.ipcp.ns.dns[1].s_addr == INADDR_NONE)
576 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
577 if (r->type & ROUTE_GWHISADDR)
578 ncpaddr_copy(&r->gw, peer);
579 } else if ((r->type & ROUTE_GWHISADDR) && !ncpaddr_equal(&r->gw, peer))
580 ncpaddr_copy(&r->gw, peer);
582 } else if (ncpaddr_family(me) == AF_INET6) {
583 if ((r->type & ROUTE_DSTMYADDR6) && !ncpaddr_equal(&dst, me)) {
584 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
585 ncprange_sethost(&r->dst, me);
586 if (r->type & ROUTE_GWHISADDR)
587 ncpaddr_copy(&r->gw, peer);
588 } else if ((r->type & ROUTE_DSTHISADDR6) && !ncpaddr_equal(&dst, peer)) {
589 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
590 ncprange_sethost(&r->dst, peer);
591 if (r->type & ROUTE_GWHISADDR)
592 ncpaddr_copy(&r->gw, peer);
593 } else if ((r->type & ROUTE_GWHISADDR6) && !ncpaddr_equal(&r->gw, peer))
594 ncpaddr_copy(&r->gw, peer);
597 rt_Set(bundle, RTM_ADD, &r->dst, &r->gw, 1, 0);
602 route_Add(struct sticky_route **rp, int type, const struct ncprange *dst,
603 const struct ncpaddr *gw)
605 struct sticky_route *r;
606 int dsttype = type & ROUTE_DSTANY;
610 if ((dsttype && dsttype == ((*rp)->type & ROUTE_DSTANY)) ||
611 (!dsttype && ncprange_equal(&(*rp)->dst, dst))) {
612 /* Oops, we already have this route - unlink it */
613 free(r); /* impossible really */
621 r = (struct sticky_route *)malloc(sizeof(struct sticky_route));
623 log_Printf(LogERROR, "route_Add: Out of memory!\n");
629 ncprange_copy(&r->dst, dst);
630 ncpaddr_copy(&r->gw, gw);
635 route_Delete(struct sticky_route **rp, int type, const struct ncprange *dst)
637 struct sticky_route *r;
638 int dsttype = type & ROUTE_DSTANY;
640 for (; *rp; rp = &(*rp)->next) {
641 if ((dsttype && dsttype == ((*rp)->type & ROUTE_DSTANY)) ||
642 (!dsttype && ncprange_equal(dst, &(*rp)->dst))) {
652 route_DeleteAll(struct sticky_route **rp)
654 struct sticky_route *r, *rn;
656 for (r = *rp; r; r = rn) {
664 route_ShowSticky(struct prompt *p, struct sticky_route *r, const char *tag,
667 int tlen = strlen(tag);
669 if (tlen + 2 > indent)
670 prompt_Printf(p, "%s:\n%*s", tag, indent, "");
672 prompt_Printf(p, "%s:%*s", tag, indent - tlen - 1, "");
674 for (; r; r = r->next) {
675 prompt_Printf(p, "%*sadd ", tlen ? 0 : indent, "");
677 if (r->type & ROUTE_DSTMYADDR)
678 prompt_Printf(p, "MYADDR");
679 else if (r->type & ROUTE_DSTMYADDR6)
680 prompt_Printf(p, "MYADDR6");
681 else if (r->type & ROUTE_DSTHISADDR)
682 prompt_Printf(p, "HISADDR");
683 else if (r->type & ROUTE_DSTHISADDR6)
684 prompt_Printf(p, "HISADDR6");
685 else if (r->type & ROUTE_DSTDNS0)
686 prompt_Printf(p, "DNS0");
687 else if (r->type & ROUTE_DSTDNS1)
688 prompt_Printf(p, "DNS1");
689 else if (ncprange_isdefault(&r->dst))
690 prompt_Printf(p, "default");
692 prompt_Printf(p, "%s", ncprange_ntoa(&r->dst));
694 if (r->type & ROUTE_GWHISADDR)
695 prompt_Printf(p, " HISADDR\n");
696 else if (r->type & ROUTE_GWHISADDR6)
697 prompt_Printf(p, " HISADDR6\n");
699 prompt_Printf(p, " %s\n", ncpaddr_ntoa(&r->gw));
704 struct rt_msghdr m_rtm;
709 memcpy_roundup(char *cp, const void *data, size_t len)
713 padlen = ROUNDUP(len);
714 memcpy(cp, data, len);
716 memset(cp + len, '\0', padlen - len);
721 #if defined(__KAME__) && !defined(NOINET6)
723 add_scope(struct sockaddr *sa, int ifindex)
725 struct sockaddr_in6 *sa6;
727 if (sa->sa_family != AF_INET6)
729 sa6 = (struct sockaddr_in6 *)sa;
730 if (!IN6_IS_ADDR_LINKLOCAL(&sa6->sin6_addr) &&
731 !IN6_IS_ADDR_MC_LINKLOCAL(&sa6->sin6_addr))
733 if (*(u_int16_t *)&sa6->sin6_addr.s6_addr[2] != 0)
735 *(u_int16_t *)&sa6->sin6_addr.s6_addr[2] = htons(ifindex);
740 rt_Set(struct bundle *bundle, int cmd, const struct ncprange *dst,
741 const struct ncpaddr *gw, int bang, int quiet)
747 struct sockaddr_storage sadst, samask, sagw;
751 cmdstr = (cmd == RTM_ADD ? "Add!" : "Delete!");
753 cmdstr = (cmd == RTM_ADD ? "Add" : "Delete");
754 s = ID0socket(PF_ROUTE, SOCK_RAW, 0);
756 log_Printf(LogERROR, "rt_Set: socket(): %s\n", strerror(errno));
759 memset(&rtmes, '\0', sizeof rtmes);
760 rtmes.m_rtm.rtm_version = RTM_VERSION;
761 rtmes.m_rtm.rtm_type = cmd;
762 rtmes.m_rtm.rtm_addrs = RTA_DST;
763 rtmes.m_rtm.rtm_seq = ++bundle->routing_seq;
764 rtmes.m_rtm.rtm_pid = getpid();
765 rtmes.m_rtm.rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC;
767 if (cmd == RTM_ADD) {
768 if (bundle->ncp.cfg.sendpipe > 0) {
769 rtmes.m_rtm.rtm_rmx.rmx_sendpipe = bundle->ncp.cfg.sendpipe;
770 rtmes.m_rtm.rtm_inits |= RTV_SPIPE;
772 if (bundle->ncp.cfg.recvpipe > 0) {
773 rtmes.m_rtm.rtm_rmx.rmx_recvpipe = bundle->ncp.cfg.recvpipe;
774 rtmes.m_rtm.rtm_inits |= RTV_RPIPE;
778 ncprange_getsa(dst, &sadst, &samask);
779 #if defined(__KAME__) && !defined(NOINET6)
780 add_scope((struct sockaddr *)&sadst, bundle->iface->index);
784 cp += memcpy_roundup(cp, &sadst, sadst.ss_len);
785 if (cmd == RTM_ADD) {
787 log_Printf(LogERROR, "rt_Set: Program error\n");
791 ncpaddr_getsa(gw, &sagw);
792 #if defined(__KAME__) && !defined(NOINET6)
793 add_scope((struct sockaddr *)&sagw, bundle->iface->index);
795 if (ncpaddr_isdefault(gw)) {
797 log_Printf(LogERROR, "rt_Set: Cannot add a route with"
798 " gateway 0.0.0.0\n");
802 cp += memcpy_roundup(cp, &sagw, sagw.ss_len);
803 rtmes.m_rtm.rtm_addrs |= RTA_GATEWAY;
807 if (!ncprange_ishost(dst)) {
808 cp += memcpy_roundup(cp, &samask, samask.ss_len);
809 rtmes.m_rtm.rtm_addrs |= RTA_NETMASK;
812 nb = cp - (char *)&rtmes;
813 rtmes.m_rtm.rtm_msglen = nb;
814 wb = ID0write(s, &rtmes, nb);
816 log_Printf(LogTCPIP, "rt_Set failure:\n");
817 log_Printf(LogTCPIP, "rt_Set: Cmd = %s\n", cmdstr);
818 log_Printf(LogTCPIP, "rt_Set: Dst = %s\n", ncprange_ntoa(dst));
820 log_Printf(LogTCPIP, "rt_Set: Gateway = %s\n", ncpaddr_ntoa(gw));
822 if (cmd == RTM_ADD && (rtmes.m_rtm.rtm_errno == EEXIST ||
823 (rtmes.m_rtm.rtm_errno == 0 && errno == EEXIST))) {
825 log_Printf(LogWARN, "Add route failed: %s already exists\n",
827 result = 0; /* Don't add to our dynamic list */
829 rtmes.m_rtm.rtm_type = cmd = RTM_CHANGE;
830 if ((wb = ID0write(s, &rtmes, nb)) < 0)
833 } else if (cmd == RTM_DELETE &&
834 (rtmes.m_rtm.rtm_errno == ESRCH ||
835 (rtmes.m_rtm.rtm_errno == 0 && errno == ESRCH))) {
837 log_Printf(LogWARN, "Del route failed: %s: Non-existent\n",
839 } else if (rtmes.m_rtm.rtm_errno == 0) {
840 if (!quiet || errno != ENETUNREACH)
841 log_Printf(LogWARN, "%s route failed: %s: errno: %s\n", cmdstr,
842 ncprange_ntoa(dst), strerror(errno));
844 log_Printf(LogWARN, "%s route failed: %s: %s\n",
845 cmdstr, ncprange_ntoa(dst), strerror(rtmes.m_rtm.rtm_errno));
848 if (log_IsKept(LogDEBUG)) {
852 snprintf(gwstr, sizeof gwstr, "%s", ncpaddr_ntoa(gw));
854 snprintf(gwstr, sizeof gwstr, "<none>");
855 log_Printf(LogDEBUG, "wrote %d: cmd = %s, dst = %s, gateway = %s\n",
856 wb, cmdstr, ncprange_ntoa(dst), gwstr);
864 rt_Update(struct bundle *bundle, const struct sockaddr *dst,
865 const struct sockaddr *gw, const struct sockaddr *mask)
867 struct ncprange ncpdst;
872 s = ID0socket(PF_ROUTE, SOCK_RAW, 0);
874 log_Printf(LogERROR, "rt_Update: socket(): %s\n", strerror(errno));
878 memset(&rtmes, '\0', sizeof rtmes);
879 rtmes.m_rtm.rtm_version = RTM_VERSION;
880 rtmes.m_rtm.rtm_type = RTM_CHANGE;
881 rtmes.m_rtm.rtm_addrs = 0;
882 rtmes.m_rtm.rtm_seq = ++bundle->routing_seq;
883 rtmes.m_rtm.rtm_pid = getpid();
884 rtmes.m_rtm.rtm_flags = RTF_UP | RTF_STATIC;
886 if (bundle->ncp.cfg.sendpipe > 0) {
887 rtmes.m_rtm.rtm_rmx.rmx_sendpipe = bundle->ncp.cfg.sendpipe;
888 rtmes.m_rtm.rtm_inits |= RTV_SPIPE;
891 if (bundle->ncp.cfg.recvpipe > 0) {
892 rtmes.m_rtm.rtm_rmx.rmx_recvpipe = bundle->ncp.cfg.recvpipe;
893 rtmes.m_rtm.rtm_inits |= RTV_RPIPE;
896 rtmes.m_rtm.rtm_rmx.rmx_mtu = bundle->iface->mtu;
897 rtmes.m_rtm.rtm_inits |= RTV_MTU;
901 rtmes.m_rtm.rtm_addrs |= RTA_DST;
902 p += memcpy_roundup(p, dst, dst->sa_len);
905 rtmes.m_rtm.rtm_addrs |= RTA_GATEWAY;
906 p += memcpy_roundup(p, gw, gw->sa_len);
908 rtmes.m_rtm.rtm_addrs |= RTA_NETMASK;
909 p += memcpy_roundup(p, mask, mask->sa_len);
912 rtmes.m_rtm.rtm_msglen = p - (char *)&rtmes;
914 wb = ID0write(s, &rtmes, rtmes.m_rtm.rtm_msglen);
916 ncprange_setsa(&ncpdst, dst, mask);
918 log_Printf(LogTCPIP, "rt_Update failure:\n");
919 log_Printf(LogTCPIP, "rt_Update: Dst = %s\n", ncprange_ntoa(&ncpdst));
921 if (rtmes.m_rtm.rtm_errno == 0)
922 log_Printf(LogWARN, "%s: Change route failed: errno: %s\n",
923 ncprange_ntoa(&ncpdst), strerror(errno));
925 log_Printf(LogWARN, "%s: Change route failed: %s\n",
926 ncprange_ntoa(&ncpdst), strerror(rtmes.m_rtm.rtm_errno));