/* $OpenBSD: printconf.c,v 1.77 2009/12/17 09:32:59 claudio Exp $ */ /* * Copyright (c) 2003, 2004 Henning Brauer * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA, PROFITS OR MIND, WHETHER IN * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "bgpd.h" #include "mrt.h" #include "session.h" #include "rde.h" void print_op(enum comp_ops); void print_community(int, int); void print_extcommunity(struct filter_extcommunity *); void print_origin(u_int8_t); void print_set(struct filter_set_head *); void print_mainconf(struct bgpd_config *); void print_network(struct network_config *); void print_peer(struct peer_config *, struct bgpd_config *, const char *); const char *print_auth_alg(u_int8_t); const char *print_enc_alg(u_int8_t); void print_announce(struct peer_config *, const char *); void print_rule(struct peer *, struct filter_rule *); const char * mrt_type(enum mrt_type); void print_mrt(u_int32_t, u_int32_t, const char *, const char *); void print_groups(struct bgpd_config *, struct peer *); int peer_compare(const void *, const void *); void print_op(enum comp_ops op) { switch (op) { case OP_RANGE: printf("-"); break; case OP_XRANGE: printf("><"); break; case OP_EQ: printf("="); break; case OP_NE: printf("!="); break; case OP_LE: printf("<="); break; case OP_LT: printf("<"); break; case OP_GE: printf(">="); break; case OP_GT: printf(">"); break; default: printf("?"); break; } } void print_community(int as, int type) { if (as == COMMUNITY_ANY) printf("*:"); else if (as == COMMUNITY_NEIGHBOR_AS) printf("neighbor-as:"); else printf("%d:", as); if (type == COMMUNITY_ANY) printf("* "); else if (type == COMMUNITY_NEIGHBOR_AS) printf("neighbor-as "); else printf("%d ", type); } void print_extcommunity(struct filter_extcommunity *c) { switch (c->type & EXT_COMMUNITY_VALUE) { case EXT_COMMUNITY_TWO_AS: printf("%s %i:%i", log_ext_subtype(c->subtype), c->data.ext_as.as, c->data.ext_as.val); break; case EXT_COMMUNITY_IPV4: printf("%s %s:%i", log_ext_subtype(c->subtype), inet_ntoa(c->data.ext_ip.addr), c->data.ext_ip.val); break; case EXT_COMMUNITY_FOUR_AS: printf("%s %s:%i", log_ext_subtype(c->subtype), log_as(c->data.ext_as4.as4), c->data.ext_as.val); break; case EXT_COMMUNITY_OPAQUE: printf("%s 0x%llx", log_ext_subtype(c->subtype), c->data.ext_opaq); break; default: printf("0x%x 0x%llx", c->type, c->data.ext_opaq); break; } } void print_origin(u_int8_t o) { if (o == ORIGIN_IGP) printf("igp "); else if (o == ORIGIN_EGP) printf("egp "); else if (o == ORIGIN_INCOMPLETE) printf("incomplete "); else printf("%u ", o); } void print_set(struct filter_set_head *set) { struct filter_set *s; if (TAILQ_EMPTY(set)) return; printf("set { "); TAILQ_FOREACH(s, set, entry) { switch (s->type) { case ACTION_SET_LOCALPREF: printf("localpref %u ", s->action.metric); break; case ACTION_SET_RELATIVE_LOCALPREF: printf("localpref %+d ", s->action.relative); break; case ACTION_SET_MED: printf("metric %u ", s->action.metric); break; case ACTION_SET_RELATIVE_MED: printf("metric %+d ", s->action.relative); break; case ACTION_SET_WEIGHT: printf("weight %u ", s->action.metric); break; case ACTION_SET_RELATIVE_WEIGHT: printf("weight %+d ", s->action.relative); break; case ACTION_SET_NEXTHOP: printf("nexthop %s ", log_addr(&s->action.nexthop)); break; case ACTION_SET_NEXTHOP_REJECT: printf("nexthop reject "); break; case ACTION_SET_NEXTHOP_BLACKHOLE: printf("nexthop blackhole "); break; case ACTION_SET_NEXTHOP_NOMODIFY: printf("nexthop no-modify "); break; case ACTION_SET_NEXTHOP_SELF: printf("nexthop self "); break; case ACTION_SET_PREPEND_SELF: printf("prepend-self %u ", s->action.prepend); break; case ACTION_SET_PREPEND_PEER: printf("prepend-neighbor %u ", s->action.prepend); break; case ACTION_DEL_COMMUNITY: printf("community delete "); print_community(s->action.community.as, s->action.community.type); printf(" "); break; case ACTION_SET_COMMUNITY: printf("community "); print_community(s->action.community.as, s->action.community.type); printf(" "); break; case ACTION_PFTABLE: printf("pftable %s ", s->action.pftable); break; case ACTION_RTLABEL: printf("rtlabel %s ", s->action.rtlabel); break; case ACTION_SET_ORIGIN: printf("origin "); print_origin(s->action.origin); break; case ACTION_RTLABEL_ID: case ACTION_PFTABLE_ID: /* not possible */ printf("king bula saiz: config broken"); break; case ACTION_SET_EXT_COMMUNITY: printf("ext-community "); print_extcommunity(&s->action.ext_community); printf(" "); break; case ACTION_DEL_EXT_COMMUNITY: printf("ext-community delete "); print_extcommunity(&s->action.ext_community); printf(" "); break; } } printf("}"); } void print_mainconf(struct bgpd_config *conf) { struct in_addr ina; struct listen_addr *la; printf("AS %s", log_as(conf->as)); if (conf->as > USHRT_MAX && conf->short_as != AS_TRANS) printf(" %u", conf->short_as); ina.s_addr = conf->bgpid; printf("\nrouter-id %s\n", inet_ntoa(ina)); if (conf->holdtime) printf("holdtime %u\n", conf->holdtime); if (conf->min_holdtime) printf("holdtime min %u\n", conf->min_holdtime); if (conf->connectretry) printf("connect-retry %u\n", conf->connectretry); if (conf->flags & BGPD_FLAG_NO_FIB_UPDATE) printf("fib-update no\n"); else printf("fib-update yes\n"); if (conf->flags & BGPD_FLAG_NO_EVALUATE) printf("route-collector yes\n"); if (conf->flags & BGPD_FLAG_DECISION_ROUTEAGE) printf("rde route-age evaluate\n"); if (conf->flags & BGPD_FLAG_DECISION_MED_ALWAYS) printf("rde med compare always\n"); if (conf->log & BGPD_LOG_UPDATES) printf("log updates\n"); TAILQ_FOREACH(la, conf->listen_addrs, entry) printf("listen on %s\n", log_sockaddr((struct sockaddr *)&la->sa)); if (conf->flags & BGPD_FLAG_NEXTHOP_BGP) printf("nexthop qualify via bgp\n"); if (conf->flags & BGPD_FLAG_NEXTHOP_DEFAULT) printf("nexthop qualify via default\n"); if (conf->flags & BGPD_FLAG_REDIST_CONNECTED) { printf("network inet connected"); if (!TAILQ_EMPTY(&conf->connectset)) printf(" "); print_set(&conf->connectset); printf("\n"); } if (conf->flags & BGPD_FLAG_REDIST_STATIC) { printf("network inet static"); if (!TAILQ_EMPTY(&conf->staticset)) printf(" "); print_set(&conf->staticset); printf("\n"); } if (conf->flags & BGPD_FLAG_REDIST6_CONNECTED) { printf("network inet6 connected"); if (!TAILQ_EMPTY(&conf->connectset6)) printf(" "); print_set(&conf->connectset6); printf("\n"); } if (conf->flags & BGPD_FLAG_REDIST_STATIC) { printf("network inet6 static"); if (!TAILQ_EMPTY(&conf->staticset6)) printf(" "); print_set(&conf->staticset6); printf("\n"); } if (conf->rtableid) printf("rtable %u\n", conf->rtableid); } void print_network(struct network_config *n) { printf("network %s/%u", log_addr(&n->prefix), n->prefixlen); if (!TAILQ_EMPTY(&n->attrset)) printf(" "); print_set(&n->attrset); printf("\n"); } void print_peer(struct peer_config *p, struct bgpd_config *conf, const char *c) { char *method; struct in_addr ina; if ((p->remote_addr.aid == AID_INET && p->remote_masklen != 32) || (p->remote_addr.aid == AID_INET6 && p->remote_masklen != 128)) printf("%sneighbor %s/%u {\n", c, log_addr(&p->remote_addr), p->remote_masklen); else printf("%sneighbor %s {\n", c, log_addr(&p->remote_addr)); if (p->descr[0]) printf("%s\tdescr \"%s\"\n", c, p->descr); if (p->rib[0]) printf("%s\trib \"%s\"\n", c, p->rib); if (p->remote_as) printf("%s\tremote-as %s\n", c, log_as(p->remote_as)); if (p->down) printf("%s\tdown\n", c); if (p->distance > 1) printf("%s\tmultihop %u\n", c, p->distance); if (p->passive) printf("%s\tpassive\n", c); if (p->local_addr.aid) printf("%s\tlocal-address %s\n", c, log_addr(&p->local_addr)); if (p->max_prefix) { printf("%s\tmax-prefix %u", c, p->max_prefix); if (p->max_prefix_restart) printf(" restart %u", p->max_prefix_restart); printf("\n"); } if (p->holdtime) printf("%s\tholdtime %u\n", c, p->holdtime); if (p->min_holdtime) printf("%s\tholdtime min %u\n", c, p->min_holdtime); if (p->announce_capa == 0) printf("%s\tannounce capabilities no\n", c); if (p->capabilities.refresh == 0) printf("%s\tannounce refresh no\n", c); if (p->capabilities.restart == 1) printf("%s\tannounce restart yes\n", c); if (p->capabilities.as4byte == 0) printf("%s\tannounce as4byte no\n", c); if (p->announce_type == ANNOUNCE_SELF) printf("%s\tannounce self\n", c); else if (p->announce_type == ANNOUNCE_NONE) printf("%s\tannounce none\n", c); else if (p->announce_type == ANNOUNCE_ALL) printf("%s\tannounce all\n", c); else if (p->announce_type == ANNOUNCE_DEFAULT_ROUTE) printf("%s\tannounce default-route\n", c); else printf("%s\tannounce ???\n", c); if (p->enforce_as == ENFORCE_AS_ON) printf("%s\tenforce neighbor-as yes\n", c); else printf("%s\tenforce neighbor-as no\n", c); if (p->reflector_client) { if (conf->clusterid == 0) printf("%s\troute-reflector\n", c); else { ina.s_addr = conf->clusterid; printf("%s\troute-reflector %s\n", c, inet_ntoa(ina)); } } if (p->demote_group[0]) printf("%s\tdemote %s\n", c, p->demote_group); if (p->if_depend[0]) printf("%s\tdepend on \"%s\"\n", c, p->if_depend); if (p->flags & PEERFLAG_TRANS_AS) printf("%s\ttransparent-as yes\n", c); if (p->auth.method == AUTH_MD5SIG) printf("%s\ttcp md5sig\n", c); else if (p->auth.method == AUTH_IPSEC_MANUAL_ESP || p->auth.method == AUTH_IPSEC_MANUAL_AH) { if (p->auth.method == AUTH_IPSEC_MANUAL_ESP) method = "esp"; else method = "ah"; printf("%s\tipsec %s in spi %u %s XXXXXX", c, method, p->auth.spi_in, print_auth_alg(p->auth.auth_alg_in)); if (p->auth.enc_alg_in) printf(" %s XXXXXX", print_enc_alg(p->auth.enc_alg_in)); printf("\n"); printf("%s\tipsec %s out spi %u %s XXXXXX", c, method, p->auth.spi_out, print_auth_alg(p->auth.auth_alg_out)); if (p->auth.enc_alg_out) printf(" %s XXXXXX", print_enc_alg(p->auth.enc_alg_out)); printf("\n"); } else if (p->auth.method == AUTH_IPSEC_IKE_AH) printf("%s\tipsec ah ike\n", c); else if (p->auth.method == AUTH_IPSEC_IKE_ESP) printf("%s\tipsec esp ike\n", c); if (p->ttlsec) printf("%s\tttl-security yes\n", c); print_announce(p, c); if (p->softreconfig_in == 1) printf("%s\tsoftreconfig in yes\n", c); else printf("%s\tsoftreconfig in no\n", c); if (p->softreconfig_out == 1) printf("%s\tsoftreconfig out yes\n", c); else printf("%s\tsoftreconfig out no\n", c); print_mrt(p->id, p->groupid, c, "\t"); printf("%s}\n", c); } const char * print_auth_alg(u_int8_t alg) { switch (alg) { case SADB_AALG_SHA1HMAC: return ("sha1"); case SADB_AALG_MD5HMAC: return ("md5"); default: return ("???"); } } const char * print_enc_alg(u_int8_t alg) { switch (alg) { case SADB_EALG_3DESCBC: return ("3des"); case SADB_X_EALG_AES: return ("aes"); default: return ("???"); } } void print_announce(struct peer_config *p, const char *c) { u_int8_t aid; for (aid = 0; aid < AID_MAX; aid++) if (p->capabilities.mp[aid]) printf("%s\tannounce %s\n", c, aid2str(aid)); } void print_rule(struct peer *peer_l, struct filter_rule *r) { struct peer *p; if (r->action == ACTION_ALLOW) printf("allow "); else if (r->action == ACTION_DENY) printf("deny "); else printf("match "); if (r->quick) printf("quick "); if (r->rib[0]) printf("rib %s ", r->rib); if (r->dir == DIR_IN) printf("from "); else if (r->dir == DIR_OUT) printf("to "); else printf("eeeeeeeps. "); if (r->peer.peerid) { for (p = peer_l; p != NULL && p->conf.id != r->peer.peerid; p = p->next) ; /* nothing */ if (p == NULL) printf("? "); else printf("%s ", log_addr(&p->conf.remote_addr)); } else if (r->peer.groupid) { for (p = peer_l; p != NULL && p->conf.groupid != r->peer.groupid; p = p->next) ; /* nothing */ if (p == NULL) printf("group ? "); else printf("group \"%s\" ", p->conf.group); } else printf("any "); if (r->match.prefix.addr.aid) printf("prefix %s/%u ", log_addr(&r->match.prefix.addr), r->match.prefix.len); if (r->match.prefix.addr.aid == 0 && r->match.prefixlen.aid) { if (r->match.prefixlen.aid == AID_INET) printf("inet "); if (r->match.prefixlen.aid == AID_INET6) printf("inet6 "); } if (r->match.prefixlen.op) { if (r->match.prefixlen.op == OP_RANGE || r->match.prefixlen.op == OP_XRANGE) { printf("prefixlen %u ", r->match.prefixlen.len_min); print_op(r->match.prefixlen.op); printf(" %u ", r->match.prefixlen.len_max); } else { printf("prefixlen "); print_op(r->match.prefixlen.op); printf(" %u ", r->match.prefixlen.len_min); } } if (r->match.as.type) { if (r->match.as.type == AS_ALL) printf("AS %s ", log_as(r->match.as.as)); else if (r->match.as.type == AS_SOURCE) printf("source-as %s ", log_as(r->match.as.as)); else if (r->match.as.type == AS_TRANSIT) printf("transit-as %s ", log_as(r->match.as.as)); else if (r->match.as.type == AS_PEER) printf("peer-as %s ", log_as(r->match.as.as)); else printf("unfluffy-as %s ", log_as(r->match.as.as)); } if (r->match.community.as != COMMUNITY_UNSET) { printf("community "); print_community(r->match.community.as, r->match.community.type); } print_set(&r->set); printf("\n"); } const char * mrt_type(enum mrt_type t) { switch (t) { case MRT_NONE: break; case MRT_TABLE_DUMP: return "table"; case MRT_TABLE_DUMP_MP: return "table-mp"; case MRT_ALL_IN: return "all in"; case MRT_ALL_OUT: return "all out"; case MRT_UPDATE_IN: return "updates in"; case MRT_UPDATE_OUT: return "updates out"; } return "unfluffy MRT"; } struct mrt_head *xmrt_l = NULL; void print_mrt(u_int32_t pid, u_int32_t gid, const char *prep, const char *prep2) { struct mrt *m; if (xmrt_l == NULL) return; LIST_FOREACH(m, xmrt_l, entry) if ((gid != 0 && m->group_id == gid) || (m->peer_id == pid && m->group_id == gid)) { printf("%s%sdump ", prep, prep2); if (m->rib[0]) printf("rib %s ", m->rib); if (MRT2MC(m)->ReopenTimerInterval == 0) printf("%s %s\n", mrt_type(m->type), MRT2MC(m)->name); else printf("%s %s %d\n", mrt_type(m->type), MRT2MC(m)->name, MRT2MC(m)->ReopenTimerInterval); } } void print_groups(struct bgpd_config *conf, struct peer *peer_l) { struct peer_config **peerlist; struct peer *p; u_int peer_cnt, i; u_int32_t prev_groupid; const char *tab = "\t"; const char *nada = ""; const char *c; peer_cnt = 0; for (p = peer_l; p != NULL; p = p->next) peer_cnt++; if ((peerlist = calloc(peer_cnt, sizeof(struct peer_config *))) == NULL) fatal("print_groups calloc"); i = 0; for (p = peer_l; p != NULL; p = p->next) peerlist[i++] = &p->conf; qsort(peerlist, peer_cnt, sizeof(struct peer_config *), peer_compare); prev_groupid = 0; for (i = 0; i < peer_cnt; i++) { if (peerlist[i]->groupid) { c = tab; if (peerlist[i]->groupid != prev_groupid) { if (prev_groupid) printf("}\n\n"); printf("group \"%s\" {\n", peerlist[i]->group); prev_groupid = peerlist[i]->groupid; } } else c = nada; print_peer(peerlist[i], conf, c); } if (prev_groupid) printf("}\n\n"); free(peerlist); } int peer_compare(const void *aa, const void *bb) { const struct peer_config * const *a; const struct peer_config * const *b; a = aa; b = bb; return ((*a)->groupid - (*b)->groupid); } void print_config(struct bgpd_config *conf, struct rib_names *rib_l, struct network_head *net_l, struct peer *peer_l, struct filter_head *rules_l, struct mrt_head *mrt_l) { struct filter_rule *r; struct network *n; struct rde_rib *rr; xmrt_l = mrt_l; printf("\n"); print_mainconf(conf); printf("\n"); SIMPLEQ_FOREACH(rr, rib_l, entry) { if (rr->flags & F_RIB_NOEVALUATE) printf("rde rib %s no evaluate\n", rr->name); else printf("rde rib %s\n", rr->name); } printf("\n"); TAILQ_FOREACH(n, net_l, entry) print_network(&n->net); printf("\n"); print_mrt(0, 0, "", ""); printf("\n"); print_groups(conf, peer_l); printf("\n"); TAILQ_FOREACH(r, rules_l, entry) print_rule(peer_l, r); }