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"
71 #include "descriptor.h"
86 p_sockaddr(struct prompt *prompt, struct sockaddr *phost,
87 struct sockaddr *pmask, int width)
89 struct ncprange range;
91 struct sockaddr_dl *dl = (struct sockaddr_dl *)phost;
93 if (log_IsKept(LogDEBUG)) {
96 log_Printf(LogDEBUG, "Found the following sockaddr:\n");
97 log_Printf(LogDEBUG, " Family %d, len %d\n",
98 (int)phost->sa_family, (int)phost->sa_len);
99 inet_ntop(phost->sa_family, phost->sa_data, tmp, sizeof tmp);
100 log_Printf(LogDEBUG, " Addr %s\n", tmp);
102 inet_ntop(pmask->sa_family, pmask->sa_data, tmp, sizeof tmp);
103 log_Printf(LogDEBUG, " Mask %s\n", tmp);
107 switch (phost->sa_family) {
112 ncprange_setsa(&range, phost, pmask);
113 if (ncprange_isdefault(&range))
114 prompt_Printf(prompt, "%-*s ", width - 1, "default");
116 prompt_Printf(prompt, "%-*s ", width - 1, ncprange_ntoa(&range));
121 snprintf(buf, sizeof buf, "%.*s", dl->sdl_nlen, dl->sdl_data);
122 else if (dl->sdl_alen) {
123 if (dl->sdl_type == IFT_ETHER) {
124 if (dl->sdl_alen < sizeof buf / 3) {
128 MAC = (u_char *)dl->sdl_data + dl->sdl_nlen;
129 for (f = 0; f < dl->sdl_alen; f++)
130 sprintf(buf+f*3, "%02x:", MAC[f]);
133 strcpy(buf, "??:??:??:??:??:??");
135 sprintf(buf, "<IFT type %d>", dl->sdl_type);
136 } else if (dl->sdl_slen)
137 sprintf(buf, "<slen %d?>", dl->sdl_slen);
139 sprintf(buf, "link#%d", dl->sdl_index);
143 sprintf(buf, "<AF type %d>", phost->sa_family);
147 prompt_Printf(prompt, "%-*s ", width-1, buf);
155 { RTF_GATEWAY, 'G' },
158 { RTF_DYNAMIC, 'D' },
159 { RTF_MODIFIED, 'M' },
161 { RTF_CLONING, 'C' },
162 { RTF_XRESOLVE, 'X' },
167 { RTF_BLACKHOLE, 'B' },
169 { RTF_WASCLONED, 'W' },
172 { RTF_PRCLONING, 'c' },
178 { RTF_BROADCAST, 'b' },
183 #ifndef RTF_WASCLONED
184 #define RTF_WASCLONED (0)
188 p_flags(struct prompt *prompt, u_int32_t f, int max)
190 char name[33], *flags;
191 register struct bits *p = bits;
193 if (max > sizeof name - 1)
194 max = sizeof name - 1;
196 for (flags = name; p->b_mask && flags - name < max; p++)
200 prompt_Printf(prompt, "%-*.*s", max, max, name);
207 * XXX: Maybe we should select() on the routing socket so that we can
208 * notice interfaces that come & go (PCCARD support).
209 * Or we could even support a signal that resets these so that
210 * the PCCARD insert/remove events can signal ppp.
212 static char **ifs; /* Figure these out once */
213 static int nifs, debug_done; /* Figure out how many once, and debug once */
215 if (idx > nifs || (idx > 0 && ifs[idx-1] == NULL)) {
216 int mib[6], have, had;
218 char *buf, *ptr, *end;
219 struct sockaddr_dl *dl;
220 struct if_msghdr *ifm;
233 mib[4] = NET_RT_IFLIST;
236 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
237 log_Printf(LogERROR, "Index2Nam: sysctl: estimate: %s\n",
239 return NumStr(idx, NULL, 0);
241 if ((buf = malloc(needed)) == NULL)
242 return NumStr(idx, NULL, 0);
243 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
245 return NumStr(idx, NULL, 0);
250 for (ptr = buf; ptr < end; ptr += ifm->ifm_msglen) {
251 ifm = (struct if_msghdr *)ptr;
252 if (ifm->ifm_type != RTM_IFINFO)
254 dl = (struct sockaddr_dl *)(ifm + 1);
255 if (ifm->ifm_index > 0) {
256 if (ifm->ifm_index > have) {
260 have = ifm->ifm_index + 5;
262 newifs = (char **)realloc(ifs, sizeof(char *) * have);
264 newifs = (char **)malloc(sizeof(char *) * have);
266 log_Printf(LogDEBUG, "Index2Nam: %s\n", strerror(errno));
273 return NumStr(idx, NULL, 0);
276 memset(ifs + had, '\0', sizeof(char *) * (have - had));
278 if (ifs[ifm->ifm_index-1] == NULL) {
279 ifs[ifm->ifm_index-1] = (char *)malloc(dl->sdl_nlen+1);
280 memcpy(ifs[ifm->ifm_index-1], dl->sdl_data, dl->sdl_nlen);
281 ifs[ifm->ifm_index-1][dl->sdl_nlen] = '\0';
282 if (nifs < ifm->ifm_index)
283 nifs = ifm->ifm_index;
285 } else if (log_IsKept(LogDEBUG))
286 log_Printf(LogDEBUG, "Skipping out-of-range interface %d!\n",
292 if (log_IsKept(LogDEBUG) && !debug_done) {
295 log_Printf(LogDEBUG, "Found the following interfaces:\n");
296 for (f = 0; f < nifs; f++)
298 log_Printf(LogDEBUG, " Index %d, name \"%s\"\n", f+1, ifs[f]);
302 if (idx < 1 || idx > nifs || ifs[idx-1] == NULL)
303 return NumStr(idx, NULL, 0);
309 route_ParseHdr(struct rt_msghdr *rtm, struct sockaddr *sa[RTAX_MAX])
314 wp = (char *)(rtm + 1);
316 for (rtax = 0; rtax < RTAX_MAX; rtax++)
317 if (rtm->rtm_addrs & (1 << rtax)) {
318 sa[rtax] = (struct sockaddr *)wp;
319 wp += ROUNDUP(sa[rtax]->sa_len);
320 if (sa[rtax]->sa_family == 0)
321 sa[rtax] = NULL; /* ??? */
327 route_Show(struct cmdargs const *arg)
329 struct rt_msghdr *rtm;
330 struct sockaddr *sa[RTAX_MAX];
339 mib[4] = NET_RT_DUMP;
341 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
342 log_Printf(LogERROR, "route_Show: sysctl: estimate: %s\n", strerror(errno));
348 if (sysctl(mib, 6, sp, &needed, NULL, 0) < 0) {
349 log_Printf(LogERROR, "route_Show: sysctl: getroute: %s\n", strerror(errno));
355 prompt_Printf(arg->prompt, "%-20s%-20sFlags Netif\n",
356 "Destination", "Gateway");
357 for (cp = sp; cp < ep; cp += rtm->rtm_msglen) {
358 rtm = (struct rt_msghdr *)cp;
360 route_ParseHdr(rtm, sa);
362 if (sa[RTAX_DST] && sa[RTAX_GATEWAY]) {
363 p_sockaddr(arg->prompt, sa[RTAX_DST], sa[RTAX_NETMASK], 20);
364 p_sockaddr(arg->prompt, sa[RTAX_GATEWAY], NULL, 20);
366 p_flags(arg->prompt, rtm->rtm_flags, 6);
367 prompt_Printf(arg->prompt, " %s\n", Index2Nam(rtm->rtm_index));
369 prompt_Printf(arg->prompt, "<can't parse routing entry>\n");
376 * Delete routes associated with our interface
379 route_IfDelete(struct bundle *bundle, int all)
381 struct rt_msghdr *rtm;
382 struct sockaddr *sa[RTAX_MAX];
383 struct ncprange range;
389 log_Printf(LogDEBUG, "route_IfDelete (%d)\n", bundle->iface->index);
395 mib[4] = NET_RT_DUMP;
397 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
398 log_Printf(LogERROR, "route_IfDelete: sysctl: estimate: %s\n",
407 if (sysctl(mib, 6, sp, &needed, NULL, 0) < 0) {
408 log_Printf(LogERROR, "route_IfDelete: sysctl: getroute: %s\n",
415 for (pass = 0; pass < 2; pass++) {
417 * We do 2 passes. The first deletes all cloned routes. The second
418 * deletes all non-cloned routes. This is done to avoid
419 * potential errors from trying to delete route X after route Y where
420 * route X was cloned from route Y (and is no longer there 'cos it
421 * may have gone with route Y).
423 if (RTF_WASCLONED == 0 && pass == 0)
424 /* So we can't tell ! */
426 for (cp = sp; cp < ep; cp += rtm->rtm_msglen) {
427 rtm = (struct rt_msghdr *)cp;
428 route_ParseHdr(rtm, sa);
429 if (rtm->rtm_index == bundle->iface->index &&
430 sa[RTAX_DST] && sa[RTAX_GATEWAY] &&
431 (sa[RTAX_DST]->sa_family == AF_INET
433 || sa[RTAX_DST]->sa_family == AF_INET6
436 (all || (rtm->rtm_flags & RTF_GATEWAY))) {
437 if (log_IsKept(LogDEBUG)) {
440 ncprange_setsa(&range, sa[RTAX_DST], sa[RTAX_NETMASK]);
441 ncpaddr_setsa(&gw, sa[RTAX_GATEWAY]);
442 snprintf(gwstr, sizeof gwstr, "%s", ncpaddr_ntoa(&gw));
443 log_Printf(LogDEBUG, "Found %s %s\n", ncprange_ntoa(&range), gwstr);
445 if (sa[RTAX_GATEWAY]->sa_family == AF_INET ||
447 sa[RTAX_GATEWAY]->sa_family == AF_INET6 ||
449 sa[RTAX_GATEWAY]->sa_family == AF_LINK) {
450 if ((pass == 0 && (rtm->rtm_flags & RTF_WASCLONED)) ||
451 (pass == 1 && !(rtm->rtm_flags & RTF_WASCLONED))) {
452 ncprange_setsa(&range, sa[RTAX_DST], sa[RTAX_NETMASK]);
453 rt_Set(bundle, RTM_DELETE, &range, NULL, 0, 0);
455 log_Printf(LogDEBUG, "route_IfDelete: Skip it (pass %d)\n", pass);
458 "route_IfDelete: Can't remove routes for family %d\n",
459 sa[RTAX_GATEWAY]->sa_family);
468 * Update the MTU on all routes for the given interface
471 route_UpdateMTU(struct bundle *bundle)
473 struct rt_msghdr *rtm;
474 struct sockaddr *sa[RTAX_MAX];
480 log_Printf(LogDEBUG, "route_UpdateMTU (%d)\n", bundle->iface->index);
486 mib[4] = NET_RT_DUMP;
488 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
489 log_Printf(LogERROR, "route_IfDelete: sysctl: estimate: %s\n",
498 if (sysctl(mib, 6, sp, &needed, NULL, 0) < 0) {
499 log_Printf(LogERROR, "route_IfDelete: sysctl: getroute: %s\n",
506 for (cp = sp; cp < ep; cp += rtm->rtm_msglen) {
507 rtm = (struct rt_msghdr *)cp;
508 route_ParseHdr(rtm, sa);
509 if (sa[RTAX_DST] && (sa[RTAX_DST]->sa_family == AF_INET
511 || sa[RTAX_DST]->sa_family == AF_INET6
514 sa[RTAX_GATEWAY] && rtm->rtm_index == bundle->iface->index) {
515 if (log_IsKept(LogTCPIP)) {
516 ncprange_setsa(&dst, sa[RTAX_DST], sa[RTAX_NETMASK]);
517 log_Printf(LogTCPIP, "route_UpdateMTU: Netif: %d (%s), dst %s,"
518 " mtu %d\n", rtm->rtm_index, Index2Nam(rtm->rtm_index),
519 ncprange_ntoa(&dst), bundle->iface->mtu);
521 rt_Update(bundle, sa[RTAX_DST], sa[RTAX_GATEWAY], sa[RTAX_NETMASK]);
529 GetIfIndex(char *name)
535 while (strcmp(got = Index2Nam(idx), "???"))
536 if (!strcmp(got, name))
544 route_Change(struct bundle *bundle, struct sticky_route *r,
545 const struct ncpaddr *me, const struct ncpaddr *peer)
549 for (; r; r = r->next) {
550 ncprange_getaddr(&r->dst, &dst);
551 if (ncpaddr_family(me) == AF_INET) {
552 if ((r->type & ROUTE_DSTMYADDR) && !ncpaddr_equal(&dst, me)) {
553 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
554 ncprange_sethost(&r->dst, me);
555 if (r->type & ROUTE_GWHISADDR)
556 ncpaddr_copy(&r->gw, peer);
557 } else if ((r->type & ROUTE_DSTHISADDR) && !ncpaddr_equal(&dst, peer)) {
558 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
559 ncprange_sethost(&r->dst, peer);
560 if (r->type & ROUTE_GWHISADDR)
561 ncpaddr_copy(&r->gw, peer);
562 } else if ((r->type & ROUTE_DSTDNS0) && !ncpaddr_equal(&dst, peer)) {
563 if (bundle->ncp.ipcp.ns.dns[0].s_addr == INADDR_NONE)
565 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
566 if (r->type & ROUTE_GWHISADDR)
567 ncpaddr_copy(&r->gw, peer);
568 } else if ((r->type & ROUTE_DSTDNS1) && !ncpaddr_equal(&dst, peer)) {
569 if (bundle->ncp.ipcp.ns.dns[1].s_addr == INADDR_NONE)
571 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
572 if (r->type & ROUTE_GWHISADDR)
573 ncpaddr_copy(&r->gw, peer);
574 } else if ((r->type & ROUTE_GWHISADDR) && !ncpaddr_equal(&r->gw, peer))
575 ncpaddr_copy(&r->gw, peer);
577 } else if (ncpaddr_family(me) == AF_INET6) {
578 if ((r->type & ROUTE_DSTMYADDR6) && !ncpaddr_equal(&dst, me)) {
579 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
580 ncprange_sethost(&r->dst, me);
581 if (r->type & ROUTE_GWHISADDR)
582 ncpaddr_copy(&r->gw, peer);
583 } else if ((r->type & ROUTE_DSTHISADDR6) && !ncpaddr_equal(&dst, peer)) {
584 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
585 ncprange_sethost(&r->dst, peer);
586 if (r->type & ROUTE_GWHISADDR)
587 ncpaddr_copy(&r->gw, peer);
588 } else if ((r->type & ROUTE_GWHISADDR6) && !ncpaddr_equal(&r->gw, peer))
589 ncpaddr_copy(&r->gw, peer);
592 rt_Set(bundle, RTM_ADD, &r->dst, &r->gw, 1, 0);
597 route_Add(struct sticky_route **rp, int type, const struct ncprange *dst,
598 const struct ncpaddr *gw)
600 struct sticky_route *r;
601 int dsttype = type & ROUTE_DSTANY;
605 if ((dsttype && dsttype == ((*rp)->type & ROUTE_DSTANY)) ||
606 (!dsttype && ncprange_equal(&(*rp)->dst, dst))) {
607 /* Oops, we already have this route - unlink it */
608 free(r); /* impossible really */
616 r = (struct sticky_route *)malloc(sizeof(struct sticky_route));
619 ncprange_copy(&r->dst, dst);
620 ncpaddr_copy(&r->gw, gw);
625 route_Delete(struct sticky_route **rp, int type, const struct ncprange *dst)
627 struct sticky_route *r;
628 int dsttype = type & ROUTE_DSTANY;
630 for (; *rp; rp = &(*rp)->next) {
631 if ((dsttype && dsttype == ((*rp)->type & ROUTE_DSTANY)) ||
632 (!dsttype && ncprange_equal(dst, &(*rp)->dst))) {
642 route_DeleteAll(struct sticky_route **rp)
644 struct sticky_route *r, *rn;
646 for (r = *rp; r; r = rn) {
654 route_ShowSticky(struct prompt *p, struct sticky_route *r, const char *tag,
657 int tlen = strlen(tag);
659 if (tlen + 2 > indent)
660 prompt_Printf(p, "%s:\n%*s", tag, indent, "");
662 prompt_Printf(p, "%s:%*s", tag, indent - tlen - 1, "");
664 for (; r; r = r->next) {
665 prompt_Printf(p, "%*sadd ", tlen ? 0 : indent, "");
667 if (r->type & ROUTE_DSTMYADDR)
668 prompt_Printf(p, "MYADDR");
669 else if (r->type & ROUTE_DSTMYADDR6)
670 prompt_Printf(p, "MYADDR6");
671 else if (r->type & ROUTE_DSTHISADDR)
672 prompt_Printf(p, "HISADDR");
673 else if (r->type & ROUTE_DSTHISADDR6)
674 prompt_Printf(p, "HISADDR6");
675 else if (r->type & ROUTE_DSTDNS0)
676 prompt_Printf(p, "DNS0");
677 else if (r->type & ROUTE_DSTDNS1)
678 prompt_Printf(p, "DNS1");
679 else if (ncprange_isdefault(&r->dst))
680 prompt_Printf(p, "default");
682 prompt_Printf(p, "%s", ncprange_ntoa(&r->dst));
684 if (r->type & ROUTE_GWHISADDR)
685 prompt_Printf(p, " HISADDR\n");
686 else if (r->type & ROUTE_GWHISADDR6)
687 prompt_Printf(p, " HISADDR6\n");
689 prompt_Printf(p, " %s\n", ncpaddr_ntoa(&r->gw));
694 struct rt_msghdr m_rtm;
699 memcpy_roundup(char *cp, const void *data, size_t len)
703 padlen = ROUNDUP(len);
704 memcpy(cp, data, len);
706 memset(cp + len, '\0', padlen - len);
712 rt_Set(struct bundle *bundle, int cmd, const struct ncprange *dst,
713 const struct ncpaddr *gw, int bang, int quiet)
719 struct sockaddr_storage sadst, samask, sagw;
723 cmdstr = (cmd == RTM_ADD ? "Add!" : "Delete!");
725 cmdstr = (cmd == RTM_ADD ? "Add" : "Delete");
726 s = ID0socket(PF_ROUTE, SOCK_RAW, 0);
728 log_Printf(LogERROR, "rt_Set: socket(): %s\n", strerror(errno));
731 memset(&rtmes, '\0', sizeof rtmes);
732 rtmes.m_rtm.rtm_version = RTM_VERSION;
733 rtmes.m_rtm.rtm_type = cmd;
734 rtmes.m_rtm.rtm_addrs = RTA_DST;
735 rtmes.m_rtm.rtm_seq = ++bundle->routing_seq;
736 rtmes.m_rtm.rtm_pid = getpid();
737 rtmes.m_rtm.rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC;
739 if (cmd == RTM_ADD) {
740 if (bundle->ncp.cfg.sendpipe > 0) {
741 rtmes.m_rtm.rtm_rmx.rmx_sendpipe = bundle->ncp.cfg.sendpipe;
742 rtmes.m_rtm.rtm_inits |= RTV_SPIPE;
744 if (bundle->ncp.cfg.recvpipe > 0) {
745 rtmes.m_rtm.rtm_rmx.rmx_recvpipe = bundle->ncp.cfg.recvpipe;
746 rtmes.m_rtm.rtm_inits |= RTV_RPIPE;
750 ncprange_getsa(dst, &sadst, &samask);
753 cp += memcpy_roundup(cp, &sadst, sadst.ss_len);
754 if (cmd == RTM_ADD) {
756 log_Printf(LogERROR, "rt_Set: Program error\n");
760 ncpaddr_getsa(gw, &sagw);
761 if (ncpaddr_isdefault(gw)) {
763 log_Printf(LogERROR, "rt_Set: Cannot add a route with"
764 " gateway 0.0.0.0\n");
768 cp += memcpy_roundup(cp, &sagw, sagw.ss_len);
769 rtmes.m_rtm.rtm_addrs |= RTA_GATEWAY;
773 if (!ncprange_ishost(dst)) {
774 cp += memcpy_roundup(cp, &samask, samask.ss_len);
775 rtmes.m_rtm.rtm_addrs |= RTA_NETMASK;
778 nb = cp - (char *)&rtmes;
779 rtmes.m_rtm.rtm_msglen = nb;
780 wb = ID0write(s, &rtmes, nb);
782 log_Printf(LogTCPIP, "rt_Set failure:\n");
783 log_Printf(LogTCPIP, "rt_Set: Cmd = %s\n", cmdstr);
784 log_Printf(LogTCPIP, "rt_Set: Dst = %s\n", ncprange_ntoa(dst));
786 log_Printf(LogTCPIP, "rt_Set: Gateway = %s\n", ncpaddr_ntoa(gw));
788 if (cmd == RTM_ADD && (rtmes.m_rtm.rtm_errno == EEXIST ||
789 (rtmes.m_rtm.rtm_errno == 0 && errno == EEXIST))) {
791 log_Printf(LogWARN, "Add route failed: %s already exists\n",
793 result = 0; /* Don't add to our dynamic list */
795 rtmes.m_rtm.rtm_type = cmd = RTM_CHANGE;
796 if ((wb = ID0write(s, &rtmes, nb)) < 0)
799 } else if (cmd == RTM_DELETE &&
800 (rtmes.m_rtm.rtm_errno == ESRCH ||
801 (rtmes.m_rtm.rtm_errno == 0 && errno == ESRCH))) {
803 log_Printf(LogWARN, "Del route failed: %s: Non-existent\n",
805 } else if (rtmes.m_rtm.rtm_errno == 0) {
806 if (!quiet || errno != ENETUNREACH)
807 log_Printf(LogWARN, "%s route failed: %s: errno: %s\n", cmdstr,
808 ncprange_ntoa(dst), strerror(errno));
810 log_Printf(LogWARN, "%s route failed: %s: %s\n",
811 cmdstr, ncprange_ntoa(dst), strerror(rtmes.m_rtm.rtm_errno));
814 if (log_IsKept(LogDEBUG)) {
818 snprintf(gwstr, sizeof gwstr, "%s", ncpaddr_ntoa(gw));
820 snprintf(gwstr, sizeof gwstr, "<none>");
821 log_Printf(LogDEBUG, "wrote %d: cmd = %s, dst = %s, gateway = %s\n",
822 wb, cmdstr, ncprange_ntoa(dst), gwstr);
830 rt_Update(struct bundle *bundle, const struct sockaddr *dst,
831 const struct sockaddr *gw, const struct sockaddr *mask)
833 struct ncprange ncpdst;
838 s = ID0socket(PF_ROUTE, SOCK_RAW, 0);
840 log_Printf(LogERROR, "rt_Update: socket(): %s\n", strerror(errno));
844 memset(&rtmes, '\0', sizeof rtmes);
845 rtmes.m_rtm.rtm_version = RTM_VERSION;
846 rtmes.m_rtm.rtm_type = RTM_CHANGE;
847 rtmes.m_rtm.rtm_addrs = 0;
848 rtmes.m_rtm.rtm_seq = ++bundle->routing_seq;
849 rtmes.m_rtm.rtm_pid = getpid();
850 rtmes.m_rtm.rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC;
852 if (bundle->ncp.cfg.sendpipe > 0) {
853 rtmes.m_rtm.rtm_rmx.rmx_sendpipe = bundle->ncp.cfg.sendpipe;
854 rtmes.m_rtm.rtm_inits |= RTV_SPIPE;
857 if (bundle->ncp.cfg.recvpipe > 0) {
858 rtmes.m_rtm.rtm_rmx.rmx_recvpipe = bundle->ncp.cfg.recvpipe;
859 rtmes.m_rtm.rtm_inits |= RTV_RPIPE;
862 rtmes.m_rtm.rtm_rmx.rmx_mtu = bundle->iface->mtu;
863 rtmes.m_rtm.rtm_inits |= RTV_MTU;
867 rtmes.m_rtm.rtm_addrs |= RTA_DST;
868 p += memcpy_roundup(p, dst, dst->sa_len);
871 rtmes.m_rtm.rtm_msglen = p - (char *)&rtmes;
873 wb = ID0write(s, &rtmes, rtmes.m_rtm.rtm_msglen);
875 ncprange_setsa(&ncpdst, dst, mask);
877 log_Printf(LogTCPIP, "rt_Update failure:\n");
878 log_Printf(LogTCPIP, "rt_Update: Dst = %s\n", ncprange_ntoa(&ncpdst));
880 if (rtmes.m_rtm.rtm_errno == 0)
881 log_Printf(LogWARN, "%s: Change route failed: errno: %s\n",
882 ncprange_ntoa(&ncpdst), strerror(errno));
884 log_Printf(LogWARN, "%s: Change route failed: %s\n",
885 ncprange_ntoa(&ncpdst), strerror(rtmes.m_rtm.rtm_errno));