diff options
Diffstat (limited to 'lib/net.c')
| -rw-r--r-- | lib/net.c | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -15,6 +15,7 @@ void xsetsockopt(int fd, int level, int opt, void *val, socklen_t len) if (-1 == setsockopt(fd, level, opt, val, len)) perror_exit("setsockopt"); } +// if !host bind to all local interfaces struct addrinfo *xgetaddrinfo(char *host, char *port, int family, int socktype, int protocol, int flags) { @@ -26,11 +27,12 @@ struct addrinfo *xgetaddrinfo(char *host, char *port, int family, int socktype, info.ai_socktype = socktype; info.ai_protocol = protocol; info.ai_flags = flags; + if (!host) info.ai_flags |= AI_PASSIVE; rc = getaddrinfo(host, port, &info, &ai); if (rc || !ai) - error_exit("%s%s%s: %s", host, port ? ":" : "", port ? port : "", - rc ? gai_strerror(rc) : "not found"); + error_exit("%s%s%s: %s", host ? host : "*", port ? ":" : "", + port ? port : "", rc ? gai_strerror(rc) : "not found"); return ai; } @@ -38,12 +40,13 @@ struct addrinfo *xgetaddrinfo(char *host, char *port, int family, int socktype, int xconnbind(struct addrinfo *ai_arg, int dobind) { struct addrinfo *ai; - int fd = -1; + int fd = -1, one = 1; // Try all the returned addresses. Report errors if last entry can't connect. for (ai = ai_arg; ai; ai = ai->ai_next) { fd = (ai->ai_next ? socket : xsocket)(ai->ai_family, ai->ai_socktype, ai->ai_protocol); + xsetsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)); if (!(dobind ? bind : connect)(fd, ai->ai_addr, ai->ai_addrlen)) break; else if (!ai->ai_next) perror_exit_raw(dobind ? "bind" : "connect"); close(fd); |