X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Ffd_device.c;h=205b628b6736f7c9a4992c7c1c5a5fdd4b395e4f;hb=1545909dcb3ac618754486f4ccd4d8f237d64bb7;hp=842955669a424dbda9965f05cdbbe97bae2dc51f;hpb=f5223937e62e1cc5e9b3d322490dd3af8d666750;p=tinc

diff --git a/src/fd_device.c b/src/fd_device.c
index 84295566..205b628b 100644
--- a/src/fd_device.c
+++ b/src/fd_device.c
@@ -1,7 +1,7 @@
 /*
     fd_device.c -- Interaction with Android tun fd
     Copyright (C)   2001-2005   Ivo Timmermans,
-                    2001-2016   Guus Sliepen <guus@tinc-vpn.org>
+                    2001-2021   Guus Sliepen <guus@tinc-vpn.org>
                     2009        Grzegorz Dymarek <gregd72002@googlemail.com>
                     2016-2020   Pacien TRAN-GIRARD <pacien@pacien.net>
 
@@ -20,16 +20,17 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#include "system.h"
+
+#ifdef HAVE_SYS_UN_H
 #include <sys/un.h>
 
-#include "system.h"
 #include "conf.h"
 #include "device.h"
 #include "ethernet.h"
 #include "logger.h"
 #include "net.h"
 #include "route.h"
-#include "utils.h"
 
 struct unix_socket_addr {
 	size_t size;
@@ -55,25 +56,35 @@ static int read_fd(int socket) {
 		logger(DEBUG_ALWAYS, LOG_ERR, "Could not read from unix socket (error %d)!", ret);
 		return -1;
 	}
+
+#ifdef IP_RECVERR
+
 	if(msg.msg_flags & (MSG_CTRUNC | MSG_OOB | MSG_ERRQUEUE)) {
+#else
+
+	if(msg.msg_flags & (MSG_CTRUNC | MSG_OOB)) {
+#endif
 		logger(DEBUG_ALWAYS, LOG_ERR, "Error while receiving message (flags %d)!", msg.msg_flags);
 		return -1;
 	}
 
 	cmsgptr = CMSG_FIRSTHDR(&msg);
+
 	if(cmsgptr->cmsg_level != SOL_SOCKET) {
 		logger(DEBUG_ALWAYS, LOG_ERR, "Wrong CMSG level: %d, expected %d!",
-			cmsgptr->cmsg_level, SOL_SOCKET);
+		       cmsgptr->cmsg_level, SOL_SOCKET);
 		return -1;
 	}
+
 	if(cmsgptr->cmsg_type != SCM_RIGHTS) {
 		logger(DEBUG_ALWAYS, LOG_ERR, "Wrong CMSG type: %d, expected %d!",
-			cmsgptr->cmsg_type, SCM_RIGHTS);
+		       cmsgptr->cmsg_type, SCM_RIGHTS);
 		return -1;
 	}
+
 	if(cmsgptr->cmsg_len != CMSG_LEN(sizeof(device_fd))) {
 		logger(DEBUG_ALWAYS, LOG_ERR, "Wrong CMSG data length: %lu, expected %lu!",
-			cmsgptr->cmsg_len, CMSG_LEN(sizeof(device_fd)));
+		       (unsigned long)cmsgptr->cmsg_len, (unsigned long)CMSG_LEN(sizeof(device_fd)));
 		return -1;
 	}
 
@@ -104,15 +115,18 @@ end:
 }
 
 static struct unix_socket_addr parse_socket_addr(const char *path) {
-	struct sockaddr_un socket_addr;
+	struct sockaddr_un socket_addr = {
+		.sun_family = AF_UNIX,
+	};
 	size_t path_length;
 
 	if(strlen(path) >= sizeof(socket_addr.sun_path)) {
 		logger(DEBUG_ALWAYS, LOG_ERR, "Unix socket path too long!");
-		return (struct unix_socket_addr) {0};
+		return (struct unix_socket_addr) {
+			0
+		};
 	}
 
-	socket_addr.sun_family = AF_UNIX;
 	strncpy(socket_addr.sun_path, path, sizeof(socket_addr.sun_path));
 
 	if(path[0] == '@') {
@@ -160,6 +174,10 @@ static bool setup_device(void) {
 static void close_device(void) {
 	close(device_fd);
 	device_fd = -1;
+	free(iface);
+	iface = NULL;
+	free(device);
+	device = NULL;
 }
 
 static inline uint16_t get_ip_ethertype(vpn_packet_t *packet) {
@@ -222,3 +240,4 @@ const devops_t fd_devops = {
 	.read = read_packet,
 	.write = write_packet,
 };
+#endif