X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fcontrol.c;h=1f562134d4f7517d8e2c8a1dd71a3a1817758844;hp=84098be5388471129c887c0e6220eb9dddd102b0;hb=b180c1af99c559809d0e7b23fce3022817ec56a9;hpb=707914e0e4b45183b1f687b44d97731127df3078 diff --git a/src/control.c b/src/control.c index 84098be5..1f562134 100644 --- a/src/control.c +++ b/src/control.c @@ -175,9 +175,49 @@ bool init_control(void) { free(localhost); fclose(f); +#ifndef HAVE_MINGW + int unix_fd = socket(AF_UNIX, SOCK_STREAM, 0); + if(unix_fd < 0) { + logger(DEBUG_ALWAYS, LOG_ERR, "Could not create UNIX socket: %s", sockstrerror(errno)); + return false; + } + + struct sockaddr_un sun; + sun.sun_family = AF_UNIX; + strncpy(sun.sun_path, unixsocketname, sizeof sun.sun_path); + + if(connect(unix_fd, (struct sockaddr *)&sun, sizeof sun) >= 0) { + logger(DEBUG_ALWAYS, LOG_ERR, "UNIX socket %s is still in use!", unixsocketname); + return false; + } + + unlink(unixsocketname); + + umask(mask | 077); + int result = bind(unix_fd, (struct sockaddr *)&sun, sizeof sun); + umask(mask); + + if(result < 0) { + logger(DEBUG_ALWAYS, LOG_ERR, "Could not bind UNIX socket to %s: %s", unixsocketname, sockstrerror(errno)); + return false; + } + + if(listen(unix_fd, 3) < 0) { + logger(DEBUG_ALWAYS, LOG_ERR, "Could not listen on UNIX socket %s: %s", unixsocketname, sockstrerror(errno)); + return false; + } + + io_add(&unix_socket, handle_new_unix_connection, &unix_socket, unix_fd, IO_READ); +#endif + return true; } void exit_control(void) { +#ifndef HAVE_MINGW + io_del(&unix_socket); + close(unix_socket.fd); +#endif + unlink(pidfilename); }