diff options
Diffstat (limited to 'sbin/routed/output.c')
| -rw-r--r-- | sbin/routed/output.c | 52 |
1 files changed, 32 insertions, 20 deletions
diff --git a/sbin/routed/output.c b/sbin/routed/output.c index cc110ef..187b8db 100644 --- a/sbin/routed/output.c +++ b/sbin/routed/output.c @@ -35,10 +35,13 @@ #include "defs.h" -#if !defined(sgi) && !defined(__NetBSD__) -static char sccsid[] __attribute__((unused)) = "@(#)output.c 8.1 (Berkeley) 6/5/93"; -#elif defined(__NetBSD__) +#ifdef __NetBSD__ __RCSID("$NetBSD$"); +#elif defined(__FreeBSD__) +__RCSID("$FreeBSD$"); +#else +__RCSID("$Revision: 2.27 $"); +#ident "$Revision: 2.27 $" #endif #ident "$FreeBSD$" @@ -102,7 +105,7 @@ output(enum output_type type, struct rip *buf, int size) /* this many bytes */ { - struct sockaddr_in sin; + struct sockaddr_in osin; int flags; const char *msg; int res; @@ -110,12 +113,12 @@ output(enum output_type type, int soc; int serrno; - sin = *dst; - if (sin.sin_port == 0) - sin.sin_port = htons(RIP_PORT); + osin = *dst; + if (osin.sin_port == 0) + osin.sin_port = htons(RIP_PORT); #ifdef _HAVE_SIN_LEN - if (sin.sin_len == 0) - sin.sin_len = sizeof(sin); + if (osin.sin_len == 0) + osin.sin_len = sizeof(osin); #endif soc = rip_sock; @@ -152,6 +155,10 @@ output(enum output_type type, } else { msg = "Send mcast"; if (rip_sock_mcast != ifp) { +#ifdef MCAST_IFINDEX + /* specify ifindex */ + tgt_mcast = htonl(ifp->int_index); +#else #ifdef MCAST_PPP_BUG /* Do not specify the primary interface * explicitly if we have the multicast @@ -166,6 +173,7 @@ output(enum output_type type, } else #endif tgt_mcast = ifp->int_addr; +#endif if (0 > setsockopt(rip_sock, IPPROTO_IP, IP_MULTICAST_IF, &tgt_mcast, @@ -179,7 +187,7 @@ output(enum output_type type, } rip_sock_mcast = ifp; } - sin.sin_addr.s_addr = htonl(INADDR_RIP_GROUP); + osin.sin_addr.s_addr = htonl(INADDR_RIP_GROUP); } break; @@ -192,18 +200,18 @@ output(enum output_type type, return -1; } - trace_rip(msg, "to", &sin, ifp, buf, size); + trace_rip(msg, "to", &osin, ifp, buf, size); res = sendto(soc, buf, size, flags, - (struct sockaddr *)&sin, sizeof(sin)); + (struct sockaddr *)&osin, sizeof(osin)); if (res < 0 && (ifp == 0 || !(ifp->int_state & IS_BROKE))) { serrno = errno; msglog("%s sendto(%s%s%s.%d): %s", msg, ifp != 0 ? ifp->int_name : "", ifp != 0 ? ", " : "", - inet_ntoa(sin.sin_addr), - ntohs(sin.sin_port), + inet_ntoa(osin.sin_addr), + ntohs(osin.sin_port), strerror(errno)); errno = serrno; } @@ -279,7 +287,7 @@ clr_ws_buf(struct ws_buf *wb, na->a_family = RIP_AF_AUTH; na->a_type = RIP_AUTH_MD5; na->au.a_md5.md5_keyid = ap->keyid; - na->au.a_md5.md5_auth_len = RIP_AUTH_MD5_LEN; + na->au.a_md5.md5_auth_len = RIP_AUTH_MD5_KEY_LEN; na->au.a_md5.md5_seqno = htonl(clk.tv_sec); wb->n++; wb->lim--; /* make room for trailer */ @@ -303,8 +311,8 @@ end_md5_auth(struct ws_buf *wb, na2->a_type = htons(1); na->au.a_md5.md5_pkt_len = htons(len); MD5Init(&md5_ctx); - MD5Update(&md5_ctx, (u_char *)wb->buf, len); - MD5Update(&md5_ctx, ap->key, RIP_AUTH_MD5_LEN); + MD5Update(&md5_ctx, (u_char *)wb->buf, len + RIP_AUTH_MD5_HASH_XTRA); + MD5Update(&md5_ctx, ap->key, RIP_AUTH_MD5_KEY_LEN); MD5Final(na2->au.au_pw, &md5_ctx); wb->n++; } @@ -547,8 +555,7 @@ walk_supply(struct radix_node *rn, * without confusing RIPv1 listeners into thinking the * network routes are host routes. */ - if ((ws.state & WS_ST_AG) - && !(ws.state & WS_ST_RIP2_ALL)) + if ((ws.state & WS_ST_AG) && (ws.state & WS_ST_RIP2_ALL)) ags |= AGS_AGGREGATE; } else { @@ -592,6 +599,11 @@ walk_supply(struct radix_node *rn, * * Notice spare routes with the same metric that we are about to * advertise, to split the horizon on redundant, inactive paths. + * + * Do not suppress advertisements of interface-related addresses on + * non-point-to-point interfaces. This ensures that we have something + * to say every 30 seconds to help detect broken Ethernets or + * other interfaces where one packet every 30 seconds costs nothing. */ if (ws.ifp != 0 && !(ws.state & WS_ST_QUERY) @@ -711,7 +723,7 @@ supply(struct sockaddr_in *dst, /* Adjust the advertised metric by the outgoing interface * metric. */ - ws.metric = ifp->int_metric+1; + ws.metric = ifp->int_metric + 1 + ifp->int_adj_outmetric; } ripv12_buf.rip.rip_vers = vers; |
