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>
47 #include <sys/sysctl.h>
58 #include "throughput.h"
65 #include "slcompress.h"
69 #include "descriptor.h"
84 p_sockaddr(struct prompt *prompt, struct sockaddr *phost,
85 struct sockaddr *pmask, int width)
87 struct ncprange range;
89 struct sockaddr_dl *dl = (struct sockaddr_dl *)phost;
91 if (log_IsKept(LogDEBUG)) {
94 log_Printf(LogDEBUG, "Found the following sockaddr:\n");
95 log_Printf(LogDEBUG, " Family %d, len %d\n",
96 (int)phost->sa_family, (int)phost->sa_len);
97 inet_ntop(phost->sa_family, phost->sa_data, tmp, sizeof tmp);
98 log_Printf(LogDEBUG, " Addr %s\n", tmp);
100 inet_ntop(pmask->sa_family, pmask->sa_data, tmp, sizeof tmp);
101 log_Printf(LogDEBUG, " Mask %s\n", tmp);
105 switch (phost->sa_family) {
110 ncprange_setsa(&range, phost, pmask);
111 if (ncprange_isdefault(&range))
112 prompt_Printf(prompt, "%-*s ", width - 1, "default");
114 prompt_Printf(prompt, "%-*s ", width - 1, ncprange_ntoa(&range));
119 snprintf(buf, sizeof buf, "%.*s", dl->sdl_nlen, dl->sdl_data);
120 else if (dl->sdl_alen) {
121 if (dl->sdl_type == IFT_ETHER) {
122 if (dl->sdl_alen < sizeof buf / 3) {
126 MAC = (u_char *)dl->sdl_data + dl->sdl_nlen;
127 for (f = 0; f < dl->sdl_alen; f++)
128 sprintf(buf+f*3, "%02x:", MAC[f]);
131 strcpy(buf, "??:??:??:??:??:??");
133 sprintf(buf, "<IFT type %d>", dl->sdl_type);
134 } else if (dl->sdl_slen)
135 sprintf(buf, "<slen %d?>", dl->sdl_slen);
137 sprintf(buf, "link#%d", dl->sdl_index);
141 sprintf(buf, "<AF type %d>", phost->sa_family);
145 prompt_Printf(prompt, "%-*s ", width-1, buf);
153 { RTF_GATEWAY, 'G' },
156 { RTF_DYNAMIC, 'D' },
157 { RTF_MODIFIED, 'M' },
159 { RTF_CLONING, 'C' },
160 { RTF_XRESOLVE, 'X' },
165 { RTF_BLACKHOLE, 'B' },
167 { RTF_WASCLONED, 'W' },
170 { RTF_PRCLONING, 'c' },
176 { RTF_BROADCAST, 'b' },
181 #ifndef RTF_WASCLONED
182 #define RTF_WASCLONED (0)
186 p_flags(struct prompt *prompt, u_int32_t f, int max)
188 char name[33], *flags;
189 register struct bits *p = bits;
191 if (max > sizeof name - 1)
192 max = sizeof name - 1;
194 for (flags = name; p->b_mask && flags - name < max; p++)
198 prompt_Printf(prompt, "%-*.*s", max, max, name);
201 static int route_nifs = -1;
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 debug_done; /* Debug once */
215 if (idx > route_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 (route_nifs < ifm->ifm_index)
283 route_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 < route_nifs; f++)
298 log_Printf(LogDEBUG, " Index %d, name \"%s\"\n", f+1, ifs[f]);
302 if (idx < 1 || idx > route_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)
534 while (route_nifs == -1 || idx < route_nifs)
535 if (strcmp(Index2Nam(idx), name) == 0)
543 route_Change(struct bundle *bundle, struct sticky_route *r,
544 const struct ncpaddr *me, const struct ncpaddr *peer)
548 for (; r; r = r->next) {
549 ncprange_getaddr(&r->dst, &dst);
550 if (ncpaddr_family(me) == AF_INET) {
551 if ((r->type & ROUTE_DSTMYADDR) && !ncpaddr_equal(&dst, me)) {
552 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
553 ncprange_sethost(&r->dst, me);
554 if (r->type & ROUTE_GWHISADDR)
555 ncpaddr_copy(&r->gw, peer);
556 } else if ((r->type & ROUTE_DSTHISADDR) && !ncpaddr_equal(&dst, peer)) {
557 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
558 ncprange_sethost(&r->dst, peer);
559 if (r->type & ROUTE_GWHISADDR)
560 ncpaddr_copy(&r->gw, peer);
561 } else if ((r->type & ROUTE_DSTDNS0) && !ncpaddr_equal(&dst, peer)) {
562 if (bundle->ncp.ipcp.ns.dns[0].s_addr == INADDR_NONE)
564 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
565 if (r->type & ROUTE_GWHISADDR)
566 ncpaddr_copy(&r->gw, peer);
567 } else if ((r->type & ROUTE_DSTDNS1) && !ncpaddr_equal(&dst, peer)) {
568 if (bundle->ncp.ipcp.ns.dns[1].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_GWHISADDR) && !ncpaddr_equal(&r->gw, peer))
574 ncpaddr_copy(&r->gw, peer);
576 } else if (ncpaddr_family(me) == AF_INET6) {
577 if ((r->type & ROUTE_DSTMYADDR6) && !ncpaddr_equal(&dst, me)) {
578 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
579 ncprange_sethost(&r->dst, me);
580 if (r->type & ROUTE_GWHISADDR)
581 ncpaddr_copy(&r->gw, peer);
582 } else if ((r->type & ROUTE_DSTHISADDR6) && !ncpaddr_equal(&dst, peer)) {
583 rt_Set(bundle, RTM_DELETE, &r->dst, NULL, 1, 0);
584 ncprange_sethost(&r->dst, peer);
585 if (r->type & ROUTE_GWHISADDR)
586 ncpaddr_copy(&r->gw, peer);
587 } else if ((r->type & ROUTE_GWHISADDR6) && !ncpaddr_equal(&r->gw, peer))
588 ncpaddr_copy(&r->gw, peer);
591 rt_Set(bundle, RTM_ADD, &r->dst, &r->gw, 1, 0);
596 route_Add(struct sticky_route **rp, int type, const struct ncprange *dst,
597 const struct ncpaddr *gw)
599 struct sticky_route *r;
600 int dsttype = type & ROUTE_DSTANY;
604 if ((dsttype && dsttype == ((*rp)->type & ROUTE_DSTANY)) ||
605 (!dsttype && ncprange_equal(&(*rp)->dst, dst))) {
606 /* Oops, we already have this route - unlink it */
607 free(r); /* impossible really */
615 r = (struct sticky_route *)malloc(sizeof(struct sticky_route));
618 ncprange_copy(&r->dst, dst);
619 ncpaddr_copy(&r->gw, gw);
624 route_Delete(struct sticky_route **rp, int type, const struct ncprange *dst)
626 struct sticky_route *r;
627 int dsttype = type & ROUTE_DSTANY;
629 for (; *rp; rp = &(*rp)->next) {
630 if ((dsttype && dsttype == ((*rp)->type & ROUTE_DSTANY)) ||
631 (!dsttype && ncprange_equal(dst, &(*rp)->dst))) {
641 route_DeleteAll(struct sticky_route **rp)
643 struct sticky_route *r, *rn;
645 for (r = *rp; r; r = rn) {
653 route_ShowSticky(struct prompt *p, struct sticky_route *r, const char *tag,
656 int tlen = strlen(tag);
658 if (tlen + 2 > indent)
659 prompt_Printf(p, "%s:\n%*s", tag, indent, "");
661 prompt_Printf(p, "%s:%*s", tag, indent - tlen - 1, "");
663 for (; r; r = r->next) {
664 prompt_Printf(p, "%*sadd ", tlen ? 0 : indent, "");
666 if (r->type & ROUTE_DSTMYADDR)
667 prompt_Printf(p, "MYADDR");
668 else if (r->type & ROUTE_DSTMYADDR6)
669 prompt_Printf(p, "MYADDR6");
670 else if (r->type & ROUTE_DSTHISADDR)
671 prompt_Printf(p, "HISADDR");
672 else if (r->type & ROUTE_DSTHISADDR6)
673 prompt_Printf(p, "HISADDR6");
674 else if (r->type & ROUTE_DSTDNS0)
675 prompt_Printf(p, "DNS0");
676 else if (r->type & ROUTE_DSTDNS1)
677 prompt_Printf(p, "DNS1");
678 else if (ncprange_isdefault(&r->dst))
679 prompt_Printf(p, "default");
681 prompt_Printf(p, "%s", ncprange_ntoa(&r->dst));
683 if (r->type & ROUTE_GWHISADDR)
684 prompt_Printf(p, " HISADDR\n");
685 else if (r->type & ROUTE_GWHISADDR6)
686 prompt_Printf(p, " HISADDR6\n");
688 prompt_Printf(p, " %s\n", ncpaddr_ntoa(&r->gw));
693 struct rt_msghdr m_rtm;
698 memcpy_roundup(char *cp, const void *data, size_t len)
702 padlen = ROUNDUP(len);
703 memcpy(cp, data, len);
705 memset(cp + len, '\0', padlen - len);
711 rt_Set(struct bundle *bundle, int cmd, const struct ncprange *dst,
712 const struct ncpaddr *gw, int bang, int quiet)
718 struct sockaddr_storage sadst, samask, sagw;
722 cmdstr = (cmd == RTM_ADD ? "Add!" : "Delete!");
724 cmdstr = (cmd == RTM_ADD ? "Add" : "Delete");
725 s = ID0socket(PF_ROUTE, SOCK_RAW, 0);
727 log_Printf(LogERROR, "rt_Set: socket(): %s\n", strerror(errno));
730 memset(&rtmes, '\0', sizeof rtmes);
731 rtmes.m_rtm.rtm_version = RTM_VERSION;
732 rtmes.m_rtm.rtm_type = cmd;
733 rtmes.m_rtm.rtm_addrs = RTA_DST;
734 rtmes.m_rtm.rtm_seq = ++bundle->routing_seq;
735 rtmes.m_rtm.rtm_pid = getpid();
736 rtmes.m_rtm.rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC;
738 if (cmd == RTM_ADD) {
739 if (bundle->ncp.cfg.sendpipe > 0) {
740 rtmes.m_rtm.rtm_rmx.rmx_sendpipe = bundle->ncp.cfg.sendpipe;
741 rtmes.m_rtm.rtm_inits |= RTV_SPIPE;
743 if (bundle->ncp.cfg.recvpipe > 0) {
744 rtmes.m_rtm.rtm_rmx.rmx_recvpipe = bundle->ncp.cfg.recvpipe;
745 rtmes.m_rtm.rtm_inits |= RTV_RPIPE;
749 ncprange_getsa(dst, &sadst, &samask);
752 cp += memcpy_roundup(cp, &sadst, sadst.ss_len);
753 if (cmd == RTM_ADD) {
755 log_Printf(LogERROR, "rt_Set: Program error\n");
759 ncpaddr_getsa(gw, &sagw);
760 if (ncpaddr_isdefault(gw)) {
762 log_Printf(LogERROR, "rt_Set: Cannot add a route with"
763 " gateway 0.0.0.0\n");
767 cp += memcpy_roundup(cp, &sagw, sagw.ss_len);
768 rtmes.m_rtm.rtm_addrs |= RTA_GATEWAY;
772 if (!ncprange_ishost(dst)) {
773 cp += memcpy_roundup(cp, &samask, samask.ss_len);
774 rtmes.m_rtm.rtm_addrs |= RTA_NETMASK;
777 nb = cp - (char *)&rtmes;
778 rtmes.m_rtm.rtm_msglen = nb;
779 wb = ID0write(s, &rtmes, nb);
781 log_Printf(LogTCPIP, "rt_Set failure:\n");
782 log_Printf(LogTCPIP, "rt_Set: Cmd = %s\n", cmdstr);
783 log_Printf(LogTCPIP, "rt_Set: Dst = %s\n", ncprange_ntoa(dst));
785 log_Printf(LogTCPIP, "rt_Set: Gateway = %s\n", ncpaddr_ntoa(gw));
787 if (cmd == RTM_ADD && (rtmes.m_rtm.rtm_errno == EEXIST ||
788 (rtmes.m_rtm.rtm_errno == 0 && errno == EEXIST))) {
790 log_Printf(LogWARN, "Add route failed: %s already exists\n",
792 result = 0; /* Don't add to our dynamic list */
794 rtmes.m_rtm.rtm_type = cmd = RTM_CHANGE;
795 if ((wb = ID0write(s, &rtmes, nb)) < 0)
798 } else if (cmd == RTM_DELETE &&
799 (rtmes.m_rtm.rtm_errno == ESRCH ||
800 (rtmes.m_rtm.rtm_errno == 0 && errno == ESRCH))) {
802 log_Printf(LogWARN, "Del route failed: %s: Non-existent\n",
804 } else if (rtmes.m_rtm.rtm_errno == 0) {
805 if (!quiet || errno != ENETUNREACH)
806 log_Printf(LogWARN, "%s route failed: %s: errno: %s\n", cmdstr,
807 ncprange_ntoa(dst), strerror(errno));
809 log_Printf(LogWARN, "%s route failed: %s: %s\n",
810 cmdstr, ncprange_ntoa(dst), strerror(rtmes.m_rtm.rtm_errno));
813 if (log_IsKept(LogDEBUG)) {
817 snprintf(gwstr, sizeof gwstr, "%s", ncpaddr_ntoa(gw));
819 snprintf(gwstr, sizeof gwstr, "<none>");
820 log_Printf(LogDEBUG, "wrote %d: cmd = %s, dst = %s, gateway = %s\n",
821 wb, cmdstr, ncprange_ntoa(dst), gwstr);
829 rt_Update(struct bundle *bundle, const struct sockaddr *dst,
830 const struct sockaddr *gw, const struct sockaddr *mask)
832 struct ncprange ncpdst;
837 s = ID0socket(PF_ROUTE, SOCK_RAW, 0);
839 log_Printf(LogERROR, "rt_Update: socket(): %s\n", strerror(errno));
843 memset(&rtmes, '\0', sizeof rtmes);
844 rtmes.m_rtm.rtm_version = RTM_VERSION;
845 rtmes.m_rtm.rtm_type = RTM_CHANGE;
846 rtmes.m_rtm.rtm_addrs = 0;
847 rtmes.m_rtm.rtm_seq = ++bundle->routing_seq;
848 rtmes.m_rtm.rtm_pid = getpid();
849 rtmes.m_rtm.rtm_flags = RTF_UP | RTF_STATIC;
851 if (bundle->ncp.cfg.sendpipe > 0) {
852 rtmes.m_rtm.rtm_rmx.rmx_sendpipe = bundle->ncp.cfg.sendpipe;
853 rtmes.m_rtm.rtm_inits |= RTV_SPIPE;
856 if (bundle->ncp.cfg.recvpipe > 0) {
857 rtmes.m_rtm.rtm_rmx.rmx_recvpipe = bundle->ncp.cfg.recvpipe;
858 rtmes.m_rtm.rtm_inits |= RTV_RPIPE;
861 rtmes.m_rtm.rtm_rmx.rmx_mtu = bundle->iface->mtu;
862 rtmes.m_rtm.rtm_inits |= RTV_MTU;
866 rtmes.m_rtm.rtm_addrs |= RTA_DST;
867 p += memcpy_roundup(p, dst, dst->sa_len);
870 rtmes.m_rtm.rtm_addrs |= RTA_GATEWAY;
871 p += memcpy_roundup(p, gw, gw->sa_len);
873 rtmes.m_rtm.rtm_addrs |= RTA_NETMASK;
874 p += memcpy_roundup(p, mask, mask->sa_len);
877 rtmes.m_rtm.rtm_msglen = p - (char *)&rtmes;
879 wb = ID0write(s, &rtmes, rtmes.m_rtm.rtm_msglen);
881 ncprange_setsa(&ncpdst, dst, mask);
883 log_Printf(LogTCPIP, "rt_Update failure:\n");
884 log_Printf(LogTCPIP, "rt_Update: Dst = %s\n", ncprange_ntoa(&ncpdst));
886 if (rtmes.m_rtm.rtm_errno == 0)
887 log_Printf(LogWARN, "%s: Change route failed: errno: %s\n",
888 ncprange_ntoa(&ncpdst), strerror(errno));
890 log_Printf(LogWARN, "%s: Change route failed: %s\n",
891 ncprange_ntoa(&ncpdst), strerror(rtmes.m_rtm.rtm_errno));