X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Ftincctl.c;h=2fdab2a66a12a723096f361ad37ca52a28055ead;hb=a6448291834ca7419553a807ee367c719c2956d0;hp=5ba71613fd4f0cc4529ebddd6f2db0b2b1d938d8;hpb=69a18395931d657b77641b68ca12473ad6b996da;p=tinc

diff --git a/src/tincctl.c b/src/tincctl.c
index 5ba71613..2fdab2a6 100644
--- a/src/tincctl.c
+++ b/src/tincctl.c
@@ -1,6 +1,6 @@
 /*
     tincctl.c -- Controlling a running tincd
-    Copyright (C) 2007-2017 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2007-2018 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -92,7 +92,7 @@ static struct option const long_options[] = {
 static void version(void) {
 	printf("%s version %s (built %s %s, protocol %d.%d)\n", PACKAGE,
 	       BUILD_VERSION, BUILD_DATE, BUILD_TIME, PROT_MAJOR, PROT_MINOR);
-	printf("Copyright (C) 1998-2017 Ivo Timmermans, Guus Sliepen and others.\n"
+	printf("Copyright (C) 1998-2018 Ivo Timmermans, Guus Sliepen and others.\n"
 	       "See the AUTHORS file for a complete list.\n\n"
 	       "tinc comes with ABSOLUTELY NO WARRANTY.  This is free software,\n"
 	       "and you are welcome to redistribute it under certain conditions;\n"
@@ -355,6 +355,8 @@ static FILE *ask_and_open(const char *filename, const char *what, const char *mo
 	char buf[PATH_MAX];
 	char buf2[PATH_MAX];
 
+ask_filename:
+
 	/* Check stdin and stdout */
 	if(ask && tty) {
 		/* Ask for a file and/or directory name. */
@@ -385,7 +387,17 @@ static FILE *ask_and_open(const char *filename, const char *what, const char *mo
 #endif
 		/* The directory is a relative path or a filename. */
 		getcwd(directory, sizeof(directory));
-		snprintf(buf2, sizeof(buf2), "%s" SLASH "%s", directory, filename);
+
+		if(snprintf(buf2, sizeof(buf2), "%s" SLASH "%s", directory, filename) >= sizeof(buf2)) {
+			fprintf(stderr, "Filename too long: %s" SLASH "%s\n", directory, filename);
+
+			if(ask && tty) {
+				goto ask_filename;
+			} else {
+				return NULL;
+			}
+		}
+
 		filename = buf2;
 	}
 
@@ -825,6 +837,8 @@ bool connect_tincd(bool verbose) {
 
 	strncpy(sa.sun_path, unixsocketname, sizeof(sa.sun_path));
 
+	sa.sun_path[sizeof(sa.sun_path) - 1] = 0;
+
 	fd = socket(AF_UNIX, SOCK_STREAM, 0);
 
 	if(fd < 0) {
@@ -902,6 +916,8 @@ bool connect_tincd(bool verbose) {
 	setsockopt(fd, SOL_SOCKET, SO_NOSIGPIPE, (void *)&one, sizeof(one));
 #endif
 
+	sendline(fd, "%d ^%s %d", ID, controlcookie, TINC_CTL_VERSION_CURRENT);
+
 	char data[4096];
 	int version;
 
@@ -915,8 +931,6 @@ bool connect_tincd(bool verbose) {
 		return false;
 	}
 
-	sendline(fd, "%d ^%s %d", ID, controlcookie, TINC_CTL_VERSION_CURRENT);
-
 	if(!recvline(fd, line, sizeof(line)) || sscanf(line, "%d %d %d", &code, &version, &pid) != 3 || code != 4 || version != TINC_CTL_VERSION_CURRENT) {
 		if(verbose) {
 			fprintf(stderr, "Could not fully establish control socket connection\n");
@@ -1161,7 +1175,12 @@ static int dump_invitations(void) {
 		}
 
 		char fname[PATH_MAX];
-		snprintf(fname, sizeof(fname), "%s" SLASH "%s", dname, ent->d_name);
+
+		if(snprintf(fname, sizeof(fname), "%s" SLASH "%s", dname, ent->d_name) >= sizeof(fname)) {
+			fprintf(stderr, "Filename too long: %s" SLASH "%s\n", dname, ent->d_name);
+			continue;
+		}
+
 		FILE *f = fopen(fname, "r");
 
 		if(!f) {
@@ -1298,12 +1317,14 @@ static int cmd_dump(int argc, char *argv[]) {
 		unsigned int options, status_int;
 		node_status_t status;
 		long int last_state_change;
+		int udp_ping_rtt;
+		uint64_t in_packets, in_bytes, out_packets, out_bytes;
 
 		switch(req) {
 		case REQ_DUMP_NODES: {
-			int n = sscanf(line, "%*d %*d %4095s %4095s %4095s port %4095s %d %d %d %d %x %x %4095s %4095s %d %hd %hd %hd %ld", node, id, host, port, &cipher, &digest, &maclength, &compression, &options, &status_int, nexthop, via, &distance, &pmtu, &minmtu, &maxmtu, &last_state_change);
+			int n = sscanf(line, "%*d %*d %4095s %4095s %4095s port %4095s %d %d %d %d %x %x %4095s %4095s %d %hd %hd %hd %ld %d %"PRIu64" %"PRIu64" %"PRIu64" %"PRIu64, node, id, host, port, &cipher, &digest, &maclength, &compression, &options, &status_int, nexthop, via, &distance, &pmtu, &minmtu, &maxmtu, &last_state_change, &udp_ping_rtt, &in_packets, &in_bytes, &out_packets, &out_bytes);
 
-			if(n != 17) {
+			if(n != 22) {
 				fprintf(stderr, "Unable to parse node dump from tincd: %s\n", line);
 				return 1;
 			}
@@ -1331,8 +1352,14 @@ static int cmd_dump(int argc, char *argv[]) {
 					continue;
 				}
 
-				printf("%s id %s at %s port %s cipher %d digest %d maclength %d compression %d options %x status %04x nexthop %s via %s distance %d pmtu %d (min %d max %d)\n",
-				       node, id, host, port, cipher, digest, maclength, compression, options, status_int, nexthop, via, distance, pmtu, minmtu, maxmtu);
+				printf("%s id %s at %s port %s cipher %d digest %d maclength %d compression %d options %x status %04x nexthop %s via %s distance %d pmtu %d (min %d max %d) rx %"PRIu64" %"PRIu64" tx %"PRIu64" %"PRIu64,
+				       node, id, host, port, cipher, digest, maclength, compression, options, status_int, nexthop, via, distance, pmtu, minmtu, maxmtu, in_packets, in_bytes, out_packets, out_bytes);
+
+				if(udp_ping_rtt != -1) {
+					printf(" rtt %d.%03d", udp_ping_rtt / 1000, udp_ping_rtt % 1000);
+				}
+
+				printf("\n");
 			}
 		}
 		break;
@@ -1695,6 +1722,7 @@ const var_t variables[] = {
 	{"Ed25519PrivateKeyFile", VAR_SERVER},
 	{"ExperimentalProtocol", VAR_SERVER},
 	{"Forwarding", VAR_SERVER},
+	{"FWMark", VAR_SERVER},
 	{"GraphDumpFile", VAR_SERVER | VAR_OBSOLETE},
 	{"Hostnames", VAR_SERVER},
 	{"IffOneQueue", VAR_SERVER},
@@ -1921,7 +1949,11 @@ static int cmd_config(int argc, char *argv[]) {
 	FILE *tf = NULL;
 
 	if(action >= -1) {
-		snprintf(tmpfile, sizeof(tmpfile), "%s.config.tmp", filename);
+		if(snprintf(tmpfile, sizeof(tmpfile), "%s.config.tmp", filename) >= sizeof(tmpfile)) {
+			fprintf(stderr, "Filename too long: %s.config.tmp\n", filename);
+			return 1;
+		}
+
 		tf = fopen(tmpfile, "w");
 
 		if(!tf) {
@@ -2528,7 +2560,10 @@ static int cmd_import(int argc, char *argv[]) {
 				fclose(out);
 			}
 
-			snprintf(filename, sizeof(filename), "%s" SLASH "%s", hosts_dir, name);
+			if(snprintf(filename, sizeof(filename), "%s" SLASH "%s", hosts_dir, name) >= sizeof(filename)) {
+				fprintf(stderr, "Filename too long: %s" SLASH "%s\n", hosts_dir, name);
+				return 1;
+			}
 
 			if(!force && !access(filename, F_OK)) {
 				fprintf(stderr, "Host configuration file %s already exists, skipping.\n", filename);
@@ -3255,7 +3290,7 @@ int main(int argc, char *argv[]) {
 	static struct WSAData wsa_state;
 
 	if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) {
-		fprintf(stderr, "System call `%s' failed: %s", "WSAStartup", winerror(GetLastError()));
+		fprintf(stderr, "System call `%s' failed: %s\n", "WSAStartup", winerror(GetLastError()));
 		return false;
 	}