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/* $OpenBSD: logmsg.c,v 1.6 2017/03/04 00:15:35 renato Exp $ */ |
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/* |
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* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <arpa/inet.h> |
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#include <netinet/in.h> |
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#include <netmpls/mpls.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <netdb.h> |
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#include "ldp.h" |
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#include "ldpd.h" |
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#include "ldpe.h" |
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#include "lde.h" |
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#define NUM_LOGS 4 |
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const char * |
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log_sockaddr(void *vp) |
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{ |
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static char buf[NUM_LOGS][NI_MAXHOST]; |
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static int round = 0; |
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struct sockaddr *sa = vp; |
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round = (round + 1) % NUM_LOGS; |
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if (getnameinfo(sa, sa->sa_len, buf[round], NI_MAXHOST, NULL, 0, |
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NI_NUMERICHOST)) |
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return ("(unknown)"); |
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else |
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return (buf[round]); |
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} |
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const char * |
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log_in6addr(const struct in6_addr *addr) |
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{ |
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struct sockaddr_in6 sa_in6; |
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memset(&sa_in6, 0, sizeof(sa_in6)); |
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sa_in6.sin6_len = sizeof(sa_in6); |
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sa_in6.sin6_family = AF_INET6; |
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sa_in6.sin6_addr = *addr; |
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recoverscope(&sa_in6); |
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return (log_sockaddr(&sa_in6)); |
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} |
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const char * |
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log_in6addr_scope(const struct in6_addr *addr, unsigned int ifindex) |
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{ |
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struct sockaddr_in6 sa_in6; |
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memset(&sa_in6, 0, sizeof(sa_in6)); |
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sa_in6.sin6_len = sizeof(sa_in6); |
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sa_in6.sin6_family = AF_INET6; |
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sa_in6.sin6_addr = *addr; |
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addscope(&sa_in6, ifindex); |
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return (log_sockaddr(&sa_in6)); |
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} |
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const char * |
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log_addr(int af, const union ldpd_addr *addr) |
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{ |
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static char buf[NUM_LOGS][INET6_ADDRSTRLEN]; |
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static int round = 0; |
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switch (af) { |
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case AF_INET: |
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round = (round + 1) % NUM_LOGS; |
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if (inet_ntop(AF_INET, &addr->v4, buf[round], |
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sizeof(buf[round])) == NULL) |
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return ("???"); |
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return (buf[round]); |
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case AF_INET6: |
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return (log_in6addr(&addr->v6)); |
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default: |
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break; |
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} |
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return ("???"); |
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} |
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#define TF_BUFS 4 |
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#define TF_LEN 32 |
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char * |
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log_label(uint32_t label) |
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{ |
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char *buf; |
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static char tfbuf[TF_BUFS][TF_LEN]; /* ring buffer */ |
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static int idx = 0; |
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buf = tfbuf[idx++]; |
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if (idx == TF_BUFS) |
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idx = 0; |
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switch (label) { |
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case NO_LABEL: |
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snprintf(buf, TF_LEN, "-"); |
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break; |
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case MPLS_LABEL_IMPLNULL: |
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snprintf(buf, TF_LEN, "imp-null"); |
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break; |
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case MPLS_LABEL_IPV4NULL: |
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case MPLS_LABEL_IPV6NULL: |
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snprintf(buf, TF_LEN, "exp-null"); |
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break; |
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default: |
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snprintf(buf, TF_LEN, "%u", label); |
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break; |
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} |
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return (buf); |
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} |
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char * |
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log_hello_src(const struct hello_source *src) |
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{ |
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static char buf[64]; |
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switch (src->type) { |
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case HELLO_LINK: |
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snprintf(buf, sizeof(buf), "iface %s", |
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src->link.ia->iface->name); |
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break; |
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case HELLO_TARGETED: |
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snprintf(buf, sizeof(buf), "source %s", |
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log_addr(src->target->af, &src->target->addr)); |
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break; |
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} |
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return (buf); |
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} |
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const char * |
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log_map(const struct map *map) |
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{ |
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static char buf[128]; |
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switch (map->type) { |
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case MAP_TYPE_WILDCARD: |
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if (snprintf(buf, sizeof(buf), "wildcard") < 0) |
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return ("???"); |
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break; |
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case MAP_TYPE_PREFIX: |
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if (snprintf(buf, sizeof(buf), "%s/%u", |
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log_addr(map->fec.prefix.af, &map->fec.prefix.prefix), |
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map->fec.prefix.prefixlen) == -1) |
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return ("???"); |
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break; |
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case MAP_TYPE_PWID: |
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if (snprintf(buf, sizeof(buf), "pw-id %u group-id %u (%s)", |
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map->fec.pwid.pwid, map->fec.pwid.group_id, |
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pw_type_name(map->fec.pwid.type)) == -1) |
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return ("???"); |
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break; |
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case MAP_TYPE_TYPED_WCARD: |
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if (snprintf(buf, sizeof(buf), "typed wildcard") < 0) |
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return ("???"); |
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switch (map->fec.twcard.type) { |
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case MAP_TYPE_PREFIX: |
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if (snprintf(buf + strlen(buf), sizeof(buf) - |
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strlen(buf), " (prefix, address-family %s)", |
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af_name(map->fec.twcard.u.prefix_af)) < 0) |
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return ("???"); |
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break; |
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case MAP_TYPE_PWID: |
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if (snprintf(buf + strlen(buf), sizeof(buf) - |
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strlen(buf), " (pwid, type %s)", |
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pw_type_name(map->fec.twcard.u.pw_type)) < 0) |
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return ("???"); |
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break; |
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default: |
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if (snprintf(buf + strlen(buf), sizeof(buf) - |
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strlen(buf), " (unknown type)") < 0) |
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return ("???"); |
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break; |
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} |
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break; |
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default: |
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return ("???"); |
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} |
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return (buf); |
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} |
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const char * |
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log_fec(const struct fec *fec) |
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{ |
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static char buf[64]; |
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union ldpd_addr addr; |
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switch (fec->type) { |
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case FEC_TYPE_IPV4: |
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addr.v4 = fec->u.ipv4.prefix; |
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if (snprintf(buf, sizeof(buf), "ipv4 %s/%u", |
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log_addr(AF_INET, &addr), fec->u.ipv4.prefixlen) == -1) |
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return ("???"); |
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break; |
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case FEC_TYPE_IPV6: |
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addr.v6 = fec->u.ipv6.prefix; |
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if (snprintf(buf, sizeof(buf), "ipv6 %s/%u", |
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log_addr(AF_INET6, &addr), fec->u.ipv6.prefixlen) == -1) |
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return ("???"); |
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break; |
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case FEC_TYPE_PWID: |
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if (snprintf(buf, sizeof(buf), |
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"pwid %u (%s) - %s", |
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fec->u.pwid.pwid, pw_type_name(fec->u.pwid.type), |
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inet_ntoa(fec->u.pwid.lsr_id)) == -1) |
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return ("???"); |
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break; |
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default: |
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return ("???"); |
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} |
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return (buf); |
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} |
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/* names */ |
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const char * |
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af_name(int af) |
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{ |
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switch (af) { |
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case AF_INET: |
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return ("ipv4"); |
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case AF_INET6: |
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return ("ipv6"); |
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case AF_MPLS: |
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return ("mpls"); |
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default: |
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return ("UNKNOWN"); |
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} |
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} |
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const char * |
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socket_name(int type) |
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{ |
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switch (type) { |
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case LDP_SOCKET_DISC: |
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return ("discovery"); |
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case LDP_SOCKET_EDISC: |
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return ("extended discovery"); |
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case LDP_SOCKET_SESSION: |
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return ("session"); |
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default: |
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return ("UNKNOWN"); |
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} |
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} |
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const char * |
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nbr_state_name(int state) |
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{ |
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switch (state) { |
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case NBR_STA_PRESENT: |
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return ("PRESENT"); |
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case NBR_STA_INITIAL: |
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return ("INITIALIZED"); |
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case NBR_STA_OPENREC: |
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return ("OPENREC"); |
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case NBR_STA_OPENSENT: |
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return ("OPENSENT"); |
282 |
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case NBR_STA_OPER: |
283 |
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return ("OPERATIONAL"); |
284 |
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default: |
285 |
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return ("UNKNOWN"); |
286 |
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} |
287 |
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} |
288 |
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289 |
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const char * |
290 |
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if_state_name(int state) |
291 |
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{ |
292 |
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switch (state) { |
293 |
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case IF_STA_DOWN: |
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return ("DOWN"); |
295 |
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case IF_STA_ACTIVE: |
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return ("ACTIVE"); |
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default: |
298 |
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return ("UNKNOWN"); |
299 |
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} |
300 |
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} |
301 |
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302 |
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const char * |
303 |
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if_type_name(enum iface_type type) |
304 |
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{ |
305 |
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switch (type) { |
306 |
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case IF_TYPE_POINTOPOINT: |
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return ("POINTOPOINT"); |
308 |
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case IF_TYPE_BROADCAST: |
309 |
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return ("BROADCAST"); |
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} |
311 |
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/* NOTREACHED */ |
312 |
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return ("UNKNOWN"); |
313 |
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} |
314 |
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const char * |
316 |
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msg_name(uint16_t msg) |
317 |
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{ |
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static char buf[16]; |
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320 |
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switch (msg) { |
321 |
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case MSG_TYPE_NOTIFICATION: |
322 |
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return ("notification"); |
323 |
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case MSG_TYPE_HELLO: |
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return ("hello"); |
325 |
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case MSG_TYPE_INIT: |
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return ("initialization"); |
327 |
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case MSG_TYPE_KEEPALIVE: |
328 |
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return ("keepalive"); |
329 |
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case MSG_TYPE_CAPABILITY: |
330 |
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return ("capability"); |
331 |
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case MSG_TYPE_ADDR: |
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return ("address"); |
333 |
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case MSG_TYPE_ADDRWITHDRAW: |
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return ("address withdraw"); |
335 |
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case MSG_TYPE_LABELMAPPING: |
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return ("label mapping"); |
337 |
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case MSG_TYPE_LABELREQUEST: |
338 |
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return ("label request"); |
339 |
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case MSG_TYPE_LABELWITHDRAW: |
340 |
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return ("label withdraw"); |
341 |
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case MSG_TYPE_LABELRELEASE: |
342 |
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return ("label release"); |
343 |
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case MSG_TYPE_LABELABORTREQ: |
344 |
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default: |
345 |
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snprintf(buf, sizeof(buf), "[%08x]", msg); |
346 |
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return (buf); |
347 |
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} |
348 |
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} |
349 |
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350 |
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const char * |
351 |
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status_code_name(uint32_t status) |
352 |
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{ |
353 |
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static char buf[16]; |
354 |
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355 |
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switch (status) { |
356 |
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case S_SUCCESS: |
357 |
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return ("Success"); |
358 |
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case S_BAD_LDP_ID: |
359 |
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return ("Bad LDP Identifier"); |
360 |
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case S_BAD_PROTO_VER: |
361 |
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return ("Bad Protocol Version"); |
362 |
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case S_BAD_PDU_LEN: |
363 |
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return ("Bad PDU Length"); |
364 |
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case S_UNKNOWN_MSG: |
365 |
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return ("Unknown Message Type"); |
366 |
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case S_BAD_MSG_LEN: |
367 |
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return ("Bad Message Length"); |
368 |
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case S_UNKNOWN_TLV: |
369 |
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return ("Unknown TLV"); |
370 |
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case S_BAD_TLV_LEN: |
371 |
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return ("Bad TLV Length"); |
372 |
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case S_BAD_TLV_VAL: |
373 |
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return ("Malformed TLV Value"); |
374 |
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case S_HOLDTIME_EXP: |
375 |
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return ("Hold Timer Expired"); |
376 |
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case S_SHUTDOWN: |
377 |
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return ("Shutdown"); |
378 |
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case S_LOOP_DETECTED: |
379 |
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return ("Loop Detected"); |
380 |
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case S_UNKNOWN_FEC: |
381 |
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return ("Unknown FEC"); |
382 |
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case S_NO_ROUTE: |
383 |
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return ("No Route"); |
384 |
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case S_NO_LABEL_RES: |
385 |
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return ("No Label Resources"); |
386 |
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case S_AVAILABLE: |
387 |
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return ("Label Resources Available"); |
388 |
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case S_NO_HELLO: |
389 |
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return ("Session Rejected, No Hello"); |
390 |
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case S_PARM_ADV_MODE: |
391 |
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return ("Rejected Advertisement Mode Parameter"); |
392 |
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case S_MAX_PDU_LEN: |
393 |
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return ("Rejected Max PDU Length Parameter"); |
394 |
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case S_PARM_L_RANGE: |
395 |
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return ("Rejected Label Range Parameter"); |
396 |
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case S_KEEPALIVE_TMR: |
397 |
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return ("KeepAlive Timer Expired"); |
398 |
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case S_LAB_REQ_ABRT: |
399 |
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return ("Label Request Aborted"); |
400 |
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case S_MISS_MSG: |
401 |
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return ("Missing Message Parameters"); |
402 |
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case S_UNSUP_ADDR: |
403 |
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return ("Unsupported Address Family"); |
404 |
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case S_KEEPALIVE_BAD: |
405 |
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return ("Bad KeepAlive Time"); |
406 |
|
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case S_INTERN_ERR: |
407 |
|
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return ("Internal Error"); |
408 |
|
|
case S_ILLEGAL_CBIT: |
409 |
|
|
return ("Illegal C-Bit"); |
410 |
|
|
case S_WRONG_CBIT: |
411 |
|
|
return ("Wrong C-Bit"); |
412 |
|
|
case S_INCPT_BITRATE: |
413 |
|
|
return ("Incompatible bit-rate"); |
414 |
|
|
case S_CEP_MISCONF: |
415 |
|
|
return ("CEP-TDM mis-configuration"); |
416 |
|
|
case S_PW_STATUS: |
417 |
|
|
return ("PW Status"); |
418 |
|
|
case S_UNASSIGN_TAI: |
419 |
|
|
return ("Unassigned/Unrecognized TAI"); |
420 |
|
|
case S_MISCONF_ERR: |
421 |
|
|
return ("Generic Misconfiguration Error"); |
422 |
|
|
case S_WITHDRAW_MTHD: |
423 |
|
|
return ("Label Withdraw PW Status Method"); |
424 |
|
|
case S_UNSSUPORTDCAP: |
425 |
|
|
return ("Unsupported Capability"); |
426 |
|
|
case S_ENDOFLIB: |
427 |
|
|
return ("End-of-LIB"); |
428 |
|
|
case S_TRANS_MISMTCH: |
429 |
|
|
return ("Transport Connection Mismatch"); |
430 |
|
|
case S_DS_NONCMPLNCE: |
431 |
|
|
return ("Dual-Stack Noncompliance"); |
432 |
|
|
default: |
433 |
|
|
snprintf(buf, sizeof(buf), "[%08x]", status); |
434 |
|
|
return (buf); |
435 |
|
|
} |
436 |
|
|
} |
437 |
|
|
|
438 |
|
|
const char * |
439 |
|
|
pw_type_name(uint16_t pw_type) |
440 |
|
|
{ |
441 |
|
|
static char buf[64]; |
442 |
|
|
|
443 |
|
|
switch (pw_type) { |
444 |
|
|
case PW_TYPE_ETHERNET_TAGGED: |
445 |
|
|
return ("Eth Tagged"); |
446 |
|
|
case PW_TYPE_ETHERNET: |
447 |
|
|
return ("Ethernet"); |
448 |
|
|
case PW_TYPE_WILDCARD: |
449 |
|
|
return ("Wildcard"); |
450 |
|
|
default: |
451 |
|
|
snprintf(buf, sizeof(buf), "[%0x]", pw_type); |
452 |
|
|
return (buf); |
453 |
|
|
} |
454 |
|
|
} |