diff options
Diffstat (limited to 'src/sock.c')
| -rw-r--r-- | src/sock.c | 27 |
1 files changed, 24 insertions, 3 deletions
@@ -34,6 +34,7 @@ #include "text.h" #include "conf.h" #include "loop.h" +#include "sblist.h" /* * Return a human readable error for getaddrinfo() and getnameinfo(). @@ -87,6 +88,26 @@ bind_socket (int sockfd, const char *addr, int family) return sockfd; } +/** + * Try binding the given socket to supplied addresses, stopping when one succeeds. + */ +static int +bind_socket_list (int sockfd, sblist *addresses, int family) +{ + size_t nb_addresses = sblist_getsize(addresses); + size_t i; + + for (i = 0; i < nb_addresses; i++) { + const char *address = *(const char **)sblist_get(addresses, i); + if (bind_socket(sockfd, address, family) >= 0) { + log_message(LOG_INFO, "Bound to %s", address); + return 0; + } + } + + return -1; +} + /* * Open a connection to a remote host. It's been re-written to use * the getaddrinfo() library function, which allows for a protocol @@ -134,9 +155,9 @@ int opensock (const char *host, int port, const char *bind_to) close (sockfd); continue; /* can't bind, so try again */ } - } else if (config->bind_address) { - if (bind_socket (sockfd, config->bind_address, - res->ai_family) < 0) { + } else if (config->bind_addrs) { + if (bind_socket_list (sockfd, config->bind_addrs, + res->ai_family) < 0) { close (sockfd); continue; /* can't bind, so try again */ } |