diff options
Diffstat (limited to 'network_io/unix/sockaddr.c')
| -rw-r--r-- | network_io/unix/sockaddr.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/network_io/unix/sockaddr.c b/network_io/unix/sockaddr.c index c53ab48b1..639303ab5 100644 --- a/network_io/unix/sockaddr.c +++ b/network_io/unix/sockaddr.c @@ -369,6 +369,7 @@ static apr_status_t call_resolver(apr_sockaddr_t **sa, struct addrinfo hints, *ai, *ai_list; apr_sockaddr_t *prev_sa; int error; + char *servname = NULL; memset(&hints, 0, sizeof(hints)); hints.ai_family = family; @@ -381,12 +382,23 @@ static apr_status_t call_resolver(apr_sockaddr_t **sa, hints.ai_flags = AI_ADDRCONFIG; } #endif - error = getaddrinfo(hostname, NULL, &hints, &ai_list); + if(hostname == NULL) { +#ifdef AI_PASSIVE + /* If hostname is NULL, assume we are trying to bind to all + * interfaces. */ + hints.ai_flags |= AI_PASSIVE; +#endif + /* getaddrinfo according to RFC 2553 must have either hostname + * or servname non-NULL. + */ + servname = apr_itoa(p, port); + } + error = getaddrinfo(hostname, servname, &hints, &ai_list); #ifdef AI_ADDRCONFIG if (error == EAI_BADFLAGS && family == AF_UNSPEC) { /* Retry with no flags if AI_ADDRCONFIG was rejected. */ hints.ai_flags = 0; - error = getaddrinfo(hostname, NULL, &hints, &ai_list); + error = getaddrinfo(hostname, servname, &hints, &ai_list); } #endif if (error) { @@ -490,6 +502,11 @@ static apr_status_t find_addresses(apr_sockaddr_t **sa, struct in_addr ipaddr; char *addr_list[2]; + if (hostname == NULL) { + /* if we are given a NULL hostname, assume '0.0.0.0' */ + hostname = "0.0.0.0"; + } + if (*hostname >= '0' && *hostname <= '9' && strspn(hostname, "0123456789.") == strlen(hostname)) { @@ -580,21 +597,7 @@ APR_DECLARE(apr_status_t) apr_sockaddr_info_get(apr_sockaddr_t **sa, #endif } - if (hostname) { -#if !APR_HAVE_IPV6 - if (family == APR_UNSPEC) { - family = APR_INET; - } -#endif - return find_addresses(sa, hostname, family, port, flags, p); - } - - *sa = apr_pcalloc(p, sizeof(apr_sockaddr_t)); - (*sa)->pool = p; - apr_sockaddr_vars_set(*sa, - family == APR_UNSPEC ? APR_INET : family, - port); - return APR_SUCCESS; + return find_addresses(sa, hostname, family, port, flags, p); } APR_DECLARE(apr_status_t) apr_getnameinfo(char **hostname, |