/*
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
#include "tincctl.h"
#include "top.h"
-#ifdef HAVE_MINGW
-#define SCRIPTEXTENSION ".bat"
-#else
-#define SCRIPTEXTENSION ""
+#ifndef MSG_NOSIGNAL
+#define MSG_NOSIGNAL 0
#endif
static char **orig_argv;
bool tty = true;
bool confbasegiven = false;
bool netnamegiven = false;
-
-#ifdef HAVE_MINGW
-static struct WSAData wsa_state;
-#endif
+char *scriptinterpreter = NULL;
+char *scriptextension = "";
+static char *prompt;
static struct option const long_options[] = {
{"config", required_argument, NULL, 'c'},
" 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");
}
/* 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));
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)
fclose(f);
-#ifdef HAVE_MINGW
- if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) {
- if(verbose)
- fprintf(stderr, "System call `%s' failed: %s", "WSAStartup", winerror(GetLastError()));
- return false;
- }
-#endif
-
#ifndef HAVE_MINGW
struct sockaddr_un sa;
sa.sun_family = AF_UNIX;
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;
{"IffOneQueue", VAR_SERVER},
{"Interface", VAR_SERVER},
{"KeyExpire", VAR_SERVER},
+ {"ListenAddress", VAR_SERVER | VAR_MULTIPLE},
{"LocalDiscovery", VAR_SERVER},
{"MACExpire", VAR_SERVER},
{"MaxConnectionBurst", VAR_SERVER},
if(action < 0 && !removed) {
remove(tmpfile);
fprintf(stderr, "No configuration variables deleted.\n");
- return *value;
+ return *value != 0;
}
// Replace the configuration file with the new one
} 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;
return 1;
}
- if(strcmp(confdir, confbase) && mkdir(confdir, 0755) && errno != EEXIST) {
+ if(!confbase_given && mkdir(confdir, 0755) && errno != EEXIST) {
fprintf(stderr, "Could not create directory %s: %s\n", confdir, strerror(errno));
return 1;
}
fprintf(stderr, "Could not create file %s: %s\n", filename, strerror(errno));
return 1;
}
- fprintf(f, "#!/bin/sh\n\necho 'Unconfigured tinc-up script, please edit!'\n\n#ifconfig $INTERFACE <your vpn IP address> netmask <netmask of whole VPN>\n");
+ fprintf(f, "#!/bin/sh\n\necho 'Unconfigured tinc-up script, please edit '$0'!'\n\n#ifconfig $INTERFACE <your vpn IP address> netmask <netmask of whole VPN>\n");
fclose(f);
}
#endif
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);
+ }
+
+ return 0;
+}
+
static const struct {
const char *command;
int (*function)(int argc, char *argv[]);
{"exchange-all", cmd_exchange_all},
{"invite", cmd_invite},
{"join", cmd_join},
+ {"network", cmd_network},
{NULL, NULL},
};
#endif
static int cmd_shell(int argc, char *argv[]) {
- char *prompt;
xasprintf(&prompt, "%s> ", identname);
int result = 0;
char buf[4096];
return 0;
}
+#ifdef HAVE_MINGW
+ static struct WSAData wsa_state;
+
+ if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) {
+ fprintf(stderr, "System call `%s' failed: %s", "WSAStartup", winerror(GetLastError()));
+ return false;
+ }
+#endif
+
srand(time(NULL));
crypto_init();