X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet_socket.c;h=5d72471b76ee3ad9eeffdf0075686d4f0e5c83e5;hb=a5c6c6ea1ab657d83a4d8b064ac9bfa9c16adf63;hp=dfee573cdff2ea47599f0b0e57a18e868875714a;hpb=373b0c12d9d0e8a3b449fd18be704e28dd6403e1;p=tinc diff --git a/src/net_socket.c b/src/net_socket.c index dfee573c..5d72471b 100644 --- a/src/net_socket.c +++ b/src/net_socket.c @@ -176,9 +176,20 @@ static bool bind_to_address(connection_t *c) { return true; } +static bool try_bind(int nfd, const sockaddr_t *sa, const char *type) { + if(!bind(nfd, &sa->sa, SALEN(sa->sa))) { + return true; + } + + closesocket(nfd); + char *addrstr = sockaddr2hostname(sa); + logger(DEBUG_ALWAYS, LOG_ERR, "Can't bind to %s/%s: %s", addrstr, type, sockstrerror(sockerrno)); + free(addrstr); + return false; +} + int setup_listen_socket(const sockaddr_t *sa) { int nfd; - char *addrstr; int option; char *iface; @@ -237,11 +248,7 @@ int setup_listen_socket(const sockaddr_t *sa) { #endif } - if(bind(nfd, &sa->sa, SALEN(sa->sa))) { - closesocket(nfd); - addrstr = sockaddr2hostname(sa); - logger(DEBUG_ALWAYS, LOG_ERR, "Can't bind to %s/tcp: %s", addrstr, sockstrerror(sockerrno)); - free(addrstr); + if(!try_bind(nfd, sa, "tcp")) { return -1; } @@ -282,10 +289,8 @@ static void set_udp_buffer(int nfd, int type, const char *name, int size, bool w } } - int setup_vpn_in_socket(const sockaddr_t *sa) { int nfd; - char *addrstr; int option; nfd = socket(sa->sa.sa_family, SOCK_DGRAM, IPPROTO_UDP); @@ -386,11 +391,7 @@ int setup_vpn_in_socket(const sockaddr_t *sa) { return -1; } - if(bind(nfd, &sa->sa, SALEN(sa->sa))) { - closesocket(nfd); - addrstr = sockaddr2hostname(sa); - logger(DEBUG_ALWAYS, LOG_ERR, "Can't bind to %s/udp: %s", addrstr, sockstrerror(sockerrno)); - free(addrstr); + if(!try_bind(nfd, sa, "udp")) { return -1; } @@ -455,9 +456,12 @@ static void do_outgoing_pipe(connection_t *c, const char *command) { sockaddr2str(&c->address, &host, &port); setenv("REMOTEADDRESS", host, true); setenv("REMOTEPORT", port, true); - setenv("NODE", c->name, true); setenv("NAME", myself->name, true); + if(c->name) { + setenv("NODE", c->name, true); + } + if(netname) { setenv("NETNAME", netname, true); } @@ -647,12 +651,7 @@ begin: c->last_ping_time = time(NULL); c->status.connecting = true; c->name = xstrdup(outgoing->node->name); -#ifndef DISABLE_LEGACY - c->outcipher = myself->connection->outcipher; - c->outdigest = myself->connection->outdigest; -#endif c->outmaclength = myself->connection->outmaclength; - c->outcompression = myself->connection->outcompression; c->last_ping_time = now.tv_sec; connection_add(c); @@ -760,12 +759,7 @@ void handle_new_meta_connection(void *data, int flags) { c = new_connection(); c->name = xstrdup(""); -#ifndef DISABLE_LEGACY - c->outcipher = myself->connection->outcipher; - c->outdigest = myself->connection->outdigest; -#endif c->outmaclength = myself->connection->outmaclength; - c->outcompression = myself->connection->outcompression; c->address = sa; c->hostname = sockaddr2hostname(&sa);