X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/c239d4b22829335fda98b66ce045a3f624436eeb..4e0597cd50268bc57fa118f1362360a2db2ec23a:/bgp.c diff --git a/bgp.c b/bgp.c index ec6d9c2..2971c38 100644 --- a/bgp.c +++ b/bgp.c @@ -10,7 +10,7 @@ * nor RFC2385 (which requires a kernel patch on 2.4 kernels). */ -/* $Id: bgp.c,v 1.1 2004-06-23 03:52:24 fred_nerk Exp $ */ +char const *cvs_id_bgp = "$Id: bgp.c,v 1.5 2004-11-05 04:55:26 bodea Exp $"; #include #include @@ -66,7 +66,7 @@ int bgp_setup(int as) if (!((peer->outbuf = malloc(sizeof(*peer->outbuf))) && (peer->inbuf = malloc(sizeof(*peer->inbuf))))) { - log(0, 0, 0, 0, "Can't allocate buffers for bgp peer (%s)\n", + LOG(0, 0, 0, 0, "Can't allocate buffers for bgp peer (%s)\n", strerror(errno)); return 0; @@ -108,7 +108,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) if (!(h = gethostbyname(name)) || h->h_addrtype != AF_INET) { - log(0, 0, 0, 0, "Can't get address for BGP peer %s (%s)\n", + LOG(0, 0, 0, 0, "Can't get address for BGP peer %s (%s)\n", name, h ? "no address" : hstrerror(h_errno)); return 0; @@ -212,7 +212,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) if (!(peer->path_attrs = malloc(peer->path_attr_len))) { - log(0, 0, 0, 0, "Can't allocate path_attrs for %s (%s)\n", + LOG(0, 0, 0, 0, "Can't allocate path_attrs for %s (%s)\n", name, strerror(errno)); return 0; @@ -220,7 +220,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable) memcpy(peer->path_attrs, path_attrs, peer->path_attr_len); - log(4, 0, 0, 0, "Initiating BGP connection to %s (routing %s)\n", + LOG(4, 0, 0, 0, "Initiating BGP connection to %s (routing %s)\n", name, enable ? "enabled" : "suspended"); /* we have at least one peer configured */ @@ -259,7 +259,7 @@ static void bgp_clear(struct bgp_peer *peer) peer->state = peer->next_state; peer->state_time = time_now; - log(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name, + LOG(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name, bgp_state_str(peer->next_state)); } } @@ -267,14 +267,14 @@ static void bgp_clear(struct bgp_peer *peer) /* initiate a clean shutdown */ void bgp_stop(struct bgp_peer *peer) { - log(4, 0, 0, 0, "Terminating BGP connection to %s\n", peer->name); + LOG(4, 0, 0, 0, "Terminating BGP connection to %s\n", peer->name); bgp_send_notification(peer, BGP_ERR_CEASE, 0); } /* drop connection (if any) and set state to Disabled */ void bgp_halt(struct bgp_peer *peer) { - log(4, 0, 0, 0, "Aborting BGP connection to %s\n", peer->name); + LOG(4, 0, 0, 0, "Aborting BGP connection to %s\n", peer->name); peer->next_state = Disabled; bgp_clear(peer); } @@ -384,7 +384,7 @@ int bgp_add_route(in_addr_t ip, in_addr_t mask) /* insert into route list; sorted */ if (!(r = malloc(sizeof(*r)))) { - log(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n", + LOG(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n", inet_toa(add.dest.prefix), add.dest.len, strerror(errno)); return 0; @@ -398,7 +398,7 @@ int bgp_add_route(in_addr_t ip, in_addr_t mask) if (bgp_peers[i].state == Established) bgp_peers[i].update_routes = 1; - log(4, 0, 0, 0, "Registered BGP route %s/%d\n", inet_toa(add.dest.prefix), + LOG(4, 0, 0, 0, "Registered BGP route %s/%d\n", inet_toa(add.dest.prefix), add.dest.len); return 1; @@ -447,7 +447,7 @@ int bgp_del_route(in_addr_t ip, in_addr_t mask) if (bgp_peers[i].state == Established) bgp_peers[i].update_routes = 1; - log(4, 0, 0, 0, "Removed BGP route %s/%d\n", inet_toa(del.dest.prefix), + LOG(4, 0, 0, 0, "Removed BGP route %s/%d\n", inet_toa(del.dest.prefix), del.dest.len); return 1; @@ -467,7 +467,7 @@ void bgp_enable_routing(int enable) bgp_peers[i].update_routes = 1; } - log(4, 0, 0, 0, "%s BGP routing\n", enable ? "Enabled" : "Suspended"); + LOG(4, 0, 0, 0, "%s BGP routing\n", enable ? "Enabled" : "Suspended"); } /* return a bitmask indicating if the socket should be added to the @@ -573,7 +573,7 @@ int bgp_process(struct bgp_peer *peer, int readable, int writable) { if (time_now > peer->expire_time) { - log(1, 0, 0, 0, "No message from BGP peer %s in %ds\n", + LOG(1, 0, 0, 0, "No message from BGP peer %s in %ds\n", peer->name, peer->hold); bgp_send_notification(peer, BGP_ERR_HOLD_TIMER_EXP, 0); @@ -590,7 +590,7 @@ int bgp_process(struct bgp_peer *peer, int readable, int writable) } else if (time_now > peer->state_time + BGP_KEEPALIVE_TIME) { - log(1, 0, 0, 0, "%s timer expired for BGP peer %s\n", + LOG(1, 0, 0, 0, "%s timer expired for BGP peer %s\n", bgp_state_str(peer->state), peer->name); return bgp_restart(peer); @@ -650,7 +650,7 @@ static int bgp_connect(struct bgp_peer *peer) struct servent *serv; if (!(serv = getservbyname("bgp", "tcp"))) { - log(0, 0, 0, 0, "Can't get bgp service (%s)\n", strerror(errno)); + LOG(0, 0, 0, 0, "Can't get bgp service (%s)\n", strerror(errno)); return 0; } @@ -659,7 +659,7 @@ static int bgp_connect(struct bgp_peer *peer) if ((peer->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) { - log(0, 0, 0, 0, "Can't create a socket for BGP peer %s (%s)\n", + LOG(0, 0, 0, 0, "Can't create a socket for BGP peer %s (%s)\n", peer->name, strerror(errno)); peer->state = peer->next_state = Disabled; @@ -682,7 +682,7 @@ static int bgp_connect(struct bgp_peer *peer) if (errno != EINPROGRESS) { - log(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n", + LOG(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n", inet_ntoa(addr.sin_addr), strerror(errno)); bgp_set_retry(peer); @@ -692,7 +692,7 @@ static int bgp_connect(struct bgp_peer *peer) peer->state = Connect; peer->state_time = time_now; - log(4, 0, 0, 0, "BGP peer %s: state Connect\n", peer->name); + LOG(4, 0, 0, 0, "BGP peer %s: state Connect\n", peer->name); return 1; } @@ -700,7 +700,7 @@ static int bgp_connect(struct bgp_peer *peer) peer->state_time = time_now; peer->retry_time = peer->retry_count = 0; - log(4, 0, 0, 0, "BGP peer %s: state Active\n", inet_ntoa(addr.sin_addr)); + LOG(4, 0, 0, 0, "BGP peer %s: state Active\n", inet_ntoa(addr.sin_addr)); return bgp_send_open(peer); } @@ -713,7 +713,7 @@ static int bgp_handle_connect(struct bgp_peer *peer) getsockopt(peer->sock, SOL_SOCKET, SO_ERROR, &err, &len); if (err) { - log(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n", peer->name, + LOG(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n", peer->name, strerror(err)); bgp_set_retry(peer); @@ -723,7 +723,7 @@ static int bgp_handle_connect(struct bgp_peer *peer) peer->state = Active; peer->state_time = time_now; - log(4, 0, 0, 0, "BGP peer %s: state Active\n", peer->name); + LOG(4, 0, 0, 0, "BGP peer %s: state Active\n", peer->name); return bgp_send_open(peer); } @@ -744,9 +744,9 @@ static int bgp_write(struct bgp_peer *peer) return 1; if (errno == EPIPE) - log(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name); + LOG(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name); else - log(1, 0, 0, 0, "Can't write to BGP peer %s (%s)\n", peer->name, + LOG(1, 0, 0, 0, "Can't write to BGP peer %s (%s)\n", peer->name, strerror(errno)); bgp_set_retry(peer); @@ -759,7 +759,7 @@ static int bgp_write(struct bgp_peer *peer) return 1; } - log(4, 0, 0, 0, "Sent %s to BGP peer %s\n", + LOG(4, 0, 0, 0, "Sent %s to BGP peer %s\n", bgp_msg_type_str(peer->outbuf->packet.header.type), peer->name); peer->outbuf->packet.header.len = 0; @@ -779,7 +779,7 @@ static int bgp_write(struct bgp_peer *peer) peer->state = peer->next_state; peer->state_time = time_now; - log(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name, + LOG(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name, bgp_state_str(peer->state)); } @@ -796,7 +796,7 @@ static int bgp_read(struct bgp_peer *peer) { if (!r) { - log(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name); + LOG(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name); } else { @@ -806,7 +806,7 @@ static int bgp_read(struct bgp_peer *peer) if (errno == EAGAIN) return 1; - log(1, 0, 0, 0, "Can't read from BGP peer %s (%s)\n", peer->name, + LOG(1, 0, 0, 0, "Can't read from BGP peer %s (%s)\n", peer->name, strerror(errno)); } @@ -826,7 +826,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if (len > BGP_MAX_PACKET_SIZE) { - log(1, 0, 0, 0, "Bad header length from BGP %s\n", peer->name); + LOG(1, 0, 0, 0, "Bad header length from BGP %s\n", peer->name); bgp_send_notification(peer, BGP_ERR_HEADER, BGP_ERR_HDR_BAD_LEN); return 0; } @@ -834,7 +834,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if (peer->inbuf->done < len) return 0; - log(4, 0, 0, 0, "Received %s from BGP peer %s\n", + LOG(4, 0, 0, 0, "Received %s from BGP peer %s\n", bgp_msg_type_str(p->header.type), peer->name); switch (p->header.type) @@ -848,7 +848,7 @@ static int bgp_handle_input(struct bgp_peer *peer) { if ((unsigned char) p->header.marker[i] != 0xff) { - log(1, 0, 0, 0, "Invalid marker from BGP peer %s\n", + LOG(1, 0, 0, 0, "Invalid marker from BGP peer %s\n", peer->name); bgp_send_notification(peer, BGP_ERR_HEADER, @@ -860,7 +860,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if (peer->state != OpenSent) { - log(1, 0, 0, 0, "OPEN from BGP peer %s in %s state\n", + LOG(1, 0, 0, 0, "OPEN from BGP peer %s in %s state\n", peer->name, bgp_state_str(peer->state)); bgp_send_notification(peer, BGP_ERR_FSM, 0); @@ -871,7 +871,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if (data.version != BGP_VERSION) { - log(1, 0, 0, 0, "Bad version (%d) sent by BGP peer %s\n", + LOG(1, 0, 0, 0, "Bad version (%d) sent by BGP peer %s\n", (int) data.version, peer->name); bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_VERSION); @@ -880,7 +880,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if (ntohs(data.as) != peer->as) { - log(1, 0, 0, 0, "Bad AS sent by BGP peer %s (got %d, " + LOG(1, 0, 0, 0, "Bad AS sent by BGP peer %s (got %d, " "expected %d)\n", peer->name, (int) htons(data.as), (int) peer->as); @@ -890,7 +890,7 @@ static int bgp_handle_input(struct bgp_peer *peer) if ((peer->hold = ntohs(data.hold_time)) < 10) { - log(1, 0, 0, 0, "Bad hold time (%d) from BGP peer %s\n", + LOG(1, 0, 0, 0, "Bad hold time (%d) from BGP peer %s\n", peer->hold, peer->name); bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_HOLD_TIME); @@ -915,7 +915,7 @@ static int bgp_handle_input(struct bgp_peer *peer) peer->retry_count = 0; peer->retry_time = 0; - log(4, 0, 0, 0, "BGP peer %s: state Established\n", peer->name); + LOG(4, 0, 0, 0, "BGP peer %s: state Established\n", peer->name); } break; @@ -928,13 +928,13 @@ static int bgp_handle_input(struct bgp_peer *peer) if (notification->error_code == BGP_ERR_CEASE) { - log(4, 0, 0, 0, "BGP peer %s sent CEASE\n", peer->name); + LOG(4, 0, 0, 0, "BGP peer %s sent CEASE\n", peer->name); bgp_halt(peer); return 0; } /* FIXME: should handle more notifications */ - log(4, 0, 0, 0, "BGP peer %s sent unhandled NOTIFICATION %d\n", + LOG(4, 0, 0, 0, "BGP peer %s sent unhandled NOTIFICATION %d\n", peer->name, (int) notification->error_code); } @@ -1053,7 +1053,7 @@ static int bgp_send_update(struct bgp_peer *peer) unf_len += s; len += s; - log(5, 0, 0, 0, "Withdrawing route %s/%d from BGP peer %s\n", + LOG(5, 0, 0, 0, "Withdrawing route %s/%d from BGP peer %s\n", inet_toa(tmp->dest.prefix), tmp->dest.len, peer->name); free(tmp); @@ -1103,7 +1103,7 @@ static int bgp_send_update(struct bgp_peer *peer) { if (!(e = malloc(sizeof(*e)))) { - log(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n", + LOG(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n", inet_toa(add->dest.prefix), add->dest.len, strerror(errno)); return 0; @@ -1127,7 +1127,7 @@ static int bgp_send_update(struct bgp_peer *peer) data += s; len += s; - log(5, 0, 0, 0, "Advertising route %s/%d to BGP peer %s\n", + LOG(5, 0, 0, 0, "Advertising route %s/%d to BGP peer %s\n", inet_toa(add->dest.prefix), add->dest.len, peer->name); } else @@ -1188,6 +1188,12 @@ int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc) if (!bgp_configured) return CLI_OK; + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP peer address", + "NAME", "BGP peer name", + NULL); + cli_print(cli, "BGPv%d router identifier %s, local AS number %d, " "hold time %ds", BGP_VERSION, inet_toa(my_address), (int) our_as, BGP_HOLD_TIME); @@ -1235,6 +1241,12 @@ int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc) if (!bgp_configured) return CLI_OK; + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP peer address", + "NAME", "BGP peer name", + NULL); + for (i = 0; i < BGP_NUM_PEERS; i++) { if (bgp_peers[i].state != Established) @@ -1262,6 +1274,12 @@ int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc if (!bgp_configured) return CLI_OK; + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP peer address", + "NAME", "BGP peer name", + NULL); + for (i = 0; i < BGP_NUM_PEERS; i++) { if (bgp_peers[i].state != Established) @@ -1290,6 +1308,12 @@ int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc) if (!bgp_configured) return CLI_OK; + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP peer address", + "NAME", "BGP peer name", + NULL); + for (i = 0; i < BGP_NUM_PEERS; i++) { if (!*bgp_peers[i].name)