X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Ftincctl.c;h=4864fab3da5550ae35cd66d17998a248d57886c4;hb=c32fcdfc1dde289c52bc359b7b6c5f8c30186e58;hp=c6d75824498827229866a2fa10e9daa930acd080;hpb=38adc8bf548c2c465d5f4147866c3d3f9112d3a8;p=tinc

diff --git a/src/tincctl.c b/src/tincctl.c
index c6d75824..4864fab3 100644
--- a/src/tincctl.c
+++ b/src/tincctl.c
@@ -1,6 +1,6 @@
 /*
     tincctl.c -- Controlling a running tincd
-    Copyright (C) 2007-2013 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2007-2014 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
@@ -39,6 +39,10 @@
 #include "tincctl.h"
 #include "top.h"
 
+#ifndef MSG_NOSIGNAL
+#define MSG_NOSIGNAL 0
+#endif
+
 static char **orig_argv;
 static int orig_argc;
 
@@ -67,6 +71,7 @@ bool confbasegiven = false;
 bool netnamegiven = false;
 char *scriptinterpreter = NULL;
 char *scriptextension = "";
+static char *prompt;
 
 static struct option const long_options[] = {
 	{"config", required_argument, NULL, 'c'},
@@ -137,6 +142,7 @@ static void usage(bool status) {
 				"  exchange-all [--force]     Same as export-all followed by import\n"
 				"  invite NODE [...]          Generate an invitation for NODE\n"
 				"  join INVITATION            Join a VPN using an INVITIATION\n"
+				"  network [NETNAME]          List all known networks, or switch to the one named NETNAME.\n"
 				"\n");
 		printf("Report bugs to tinc@tinc-vpn.org.\n");
 	}
@@ -308,8 +314,7 @@ static FILE *ask_and_open(const char *filename, const char *what, const char *mo
 	/* Check stdin and stdout */
 	if(ask && tty) {
 		/* Ask for a file and/or directory name. */
-		fprintf(stdout, "Please enter a file to save %s to [%s]: ", what, filename);
-		fflush(stdout);
+		fprintf(stderr, "Please enter a file to save %s to [%s]: ", what, filename);
 
 		if(fgets(buf, sizeof buf, stdin) == NULL) {
 			fprintf(stderr, "Error while reading stdin: %s\n", strerror(errno));
@@ -528,7 +533,7 @@ bool sendline(int fd, char *format, ...) {
 	blen++;
 
 	while(blen) {
-		int result = send(fd, p, blen, 0);
+		int result = send(fd, p, blen, MSG_NOSIGNAL);
 		if(result == -1 && errno == EINTR)
 			continue;
 		else if(result <= 0)
@@ -740,6 +745,11 @@ bool connect_tincd(bool verbose) {
 	freeaddrinfo(res);
 #endif
 
+#ifdef SO_NOSIGPIPE
+	static const int one = 1;
+	setsockopt(c, SOL_SOCKET, SO_NOSIGPIPE, (void *)&one, sizeof one);
+#endif
+
 	char data[4096];
 	int version;
 
@@ -1711,8 +1721,7 @@ static int cmd_init(int argc, char *argv[]) {
 	} else if(argc < 2) {
 		if(tty) {
 			char buf[1024];
-			fprintf(stdout, "Enter the Name you want your tinc node to have: ");
-			fflush(stdout);
+			fprintf(stderr, "Enter the Name you want your tinc node to have: ");
 			if(!fgets(buf, sizeof buf, stdin)) {
 				fprintf(stderr, "Error while reading stdin: %s\n", strerror(errno));
 				return 1;
@@ -2068,6 +2077,72 @@ static int cmd_exchange_all(int argc, char *argv[]) {
 	return cmd_export_all(argc, argv) ?: cmd_import(argc, argv);
 }
 
+static int switch_network(char *name) {
+	if(fd >= 0) {
+		close(fd);
+		fd = -1;
+	}
+
+	free(confbase);
+	confbase = NULL;
+	free(pidfilename);
+	pidfilename = NULL;
+	free(logfilename);
+	logfilename = NULL;
+	free(unixsocketname);
+	unixsocketname = NULL;
+	free(tinc_conf);
+	free(hosts_dir);
+	free(prompt);
+
+	free(netname);
+	netname = strcmp(name, ".") ? xstrdup(name) : NULL;
+
+	make_names();
+        xasprintf(&tinc_conf, "%s" SLASH "tinc.conf", confbase);
+        xasprintf(&hosts_dir, "%s" SLASH "hosts", confbase);
+	xasprintf(&prompt, "%s> ", identname);
+
+	return 0;
+}
+
+static int cmd_network(int argc, char *argv[]) {
+	if(argc > 2) {
+		fprintf(stderr, "Too many arguments!\n");
+		return 1;
+	}
+
+	if(argc == 2)
+		return switch_network(argv[1]);
+
+	DIR *dir = opendir(confdir);
+	if(!dir) {
+		fprintf(stderr, "Could not read directory %s: %s\n", confdir, strerror(errno));
+                return 1;
+        }
+
+	struct dirent *ent;
+	while((ent = readdir(dir))) {
+		if(*ent->d_name == '.')
+			continue;
+
+		if(!strcmp(ent->d_name, "tinc.conf")) {
+			printf(".\n");
+			continue;
+		}
+
+		char *fname;
+		xasprintf(&fname, "%s/%s/tinc.conf", confdir, ent->d_name);
+		if(!access(fname, R_OK))
+			printf("%s\n", ent->d_name);
+		free(fname);
+	}
+
+	closedir(dir);
+
+	return 0;
+}
+
 static const struct {
 	const char *command;
 	int (*function)(int argc, char *argv[]);
@@ -2107,6 +2182,7 @@ static const struct {
 	{"exchange-all", cmd_exchange_all},
 	{"invite", cmd_invite},
 	{"join", cmd_join},
+	{"network", cmd_network},
 	{NULL, NULL},
 };
 
@@ -2233,7 +2309,6 @@ static char **completion (const char *text, int start, int end) {
 #endif
 
 static int cmd_shell(int argc, char *argv[]) {
-	char *prompt;
 	xasprintf(&prompt, "%s> ", identname);
 	int result = 0;
 	char buf[4096];