X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fuml_device.c;h=a675b62e045ab8b2c285d2c028c8f0441892c432;hb=f8190b7233871b5b47c3fc8846731d1bbdef78a5;hp=406c81d0bb13371d27e1e1c360d669699069f7a8;hpb=f6e87ab476a0faf8b124ecaaa27f967d825e6457;p=tinc diff --git a/src/uml_device.c b/src/uml_device.c index 406c81d0..a675b62e 100644 --- a/src/uml_device.c +++ b/src/uml_device.c @@ -36,7 +36,7 @@ static int request_fd = -1; static int data_fd = -1; static int write_fd = -1; static int state = 0; -static char *device_info; +static const char *device_info = "UML network socket"; enum request_type { REQ_NEW_CONTROL }; @@ -60,13 +60,11 @@ static bool setup_device(void) { struct timeval tv; if(!get_config_string(lookup_config(config_tree, "Device"), &device)) { - xasprintf(&device, LOCALSTATEDIR "/run/%s.umlsocket", identname); + xasprintf(&device, RUNSTATEDIR "/%s.umlsocket", identname); } get_config_string(lookup_config(config_tree, "Interface"), &iface); - device_info = "UML network socket"; - if((write_fd = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0) { logger(DEBUG_ALWAYS, LOG_ERR, "Could not open write %s: %s", device_info, strerror(errno)); event_exit(); @@ -135,6 +133,7 @@ static bool setup_device(void) { listen_sun.sun_family = AF_UNIX; strncpy(listen_sun.sun_path, device, sizeof(listen_sun.sun_path)); + listen_sun.sun_path[sizeof(listen_sun.sun_path) - 1] = 0; if(bind(listen_fd, (struct sockaddr *)&listen_sun, sizeof(listen_sun)) < 0) { logger(DEBUG_ALWAYS, LOG_ERR, "Could not bind %s to %s: %s", device_info, device, strerror(errno)); @@ -184,10 +183,8 @@ void close_device(void) { free(device); device = NULL; - if(iface) { - free(iface); - iface = NULL; - } + free(iface); + iface = NULL; device_info = NULL; } @@ -226,7 +223,7 @@ static bool read_packet(vpn_packet_t *packet) { } case 1: { - if((inlen = read(request_fd, &request, sizeof(request))) != sizeof request) { + if((inlen = read(request_fd, &request, sizeof(request))) != sizeof(request)) { logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading request from %s %s: %s", device_info, device, strerror(errno)); event_exit(); @@ -240,7 +237,7 @@ static bool read_packet(vpn_packet_t *packet) { return false; } - if(connect(write_fd, (struct sockkadr *)&request.sock, sizeof(request.sock)) < 0) { + if(connect(write_fd, (const struct sockaddr *)&request.sock, sizeof(request.sock)) < 0) { logger(DEBUG_ALWAYS, LOG_ERR, "Could not bind write %s: %s", device_info, strerror(errno)); event_exit(); return false;