diff options
Diffstat (limited to 'common/snmp-engine.c')
| -rw-r--r-- | common/snmp-engine.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/common/snmp-engine.c b/common/snmp-engine.c index 0025d2f..1c29320 100644 --- a/common/snmp-engine.c +++ b/common/snmp-engine.c @@ -1036,17 +1036,26 @@ snmp_engine_init (const char **bindaddrs, int retries) hints.ai_flags = AI_NUMERICSERV; r = getaddrinfo (bindaddr, "0", &hints, &ai); if (r != 0) - errx (1, "couldn't resolve bind address: %s: %s", bindaddr, gai_strerror (r)); + errx (1, "couldn't resolve bind address '%s': %s", bindaddr, gai_strerror (r)); fd = socket (ai->ai_family, ai->ai_socktype, ai->ai_protocol); - if (fd < 0) - err (1, "couldn't open snmp socket"); + if (fd < 0) { + if (errno == EPROTONOSUPPORT || + errno == ENOPROTOOPT || + errno == ESOCKTNOSUPPORT) { + warn ("couldn't create snmp socket for '%s'", bindaddr); + freeaddrinfo (ai); + continue; + } else { + err (1, "couldn't open snmp socket"); + } + } if (bind (fd, ai->ai_addr, ai->ai_addrlen) < 0) err (1, "couldn't listen on port"); if (server_watch (fd, SERVER_READ, request_response, NULL) == -1) - err (1, "couldn't listen on socket"); + err (1, "couldn't watch port"); /* Stash this socket info */ sock = xcalloc (sizeof (struct socket)); @@ -1063,6 +1072,9 @@ snmp_engine_init (const char **bindaddrs, int retries) freeaddrinfo (ai); } + if (snmp_sockets == NULL) + errx (1, "no local addresses to listen on"); + /* We fire off the resend timer every 1/5 second */ if (server_timer (200, request_resend_timer, NULL) == -1) err(1, "couldn't setup timer"); |