/*
tincctl.c -- Controlling a running tincd
- Copyright (C) 2007-2011 Guus Sliepen <guus@tinc-vpn.org>
+ Copyright (C) 2007-2012 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
char *netname = NULL;
char *confbase = NULL;
+// Horrible global variables...
+static int pid = 0;
+static int fd = -1;
+static char line[4096];
+static int code;
+static int req;
+static int result;
+
#ifdef HAVE_MINGW
static struct WSAData wsa_state;
#endif
{NULL, 0, NULL, 0}
};
+static void version(void) {
+ printf("%s version %s (built %s %s, protocol %d.%d)\n", PACKAGE,
+ VERSION, __DATE__, __TIME__, PROT_MAJOR, PROT_MINOR);
+ printf("Copyright (C) 1998-2012 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"
+ "see the file COPYING for details.\n");
+}
+
static void usage(bool status) {
if(status)
fprintf(stderr, "Try `%s --help\' for more information.\n",
" --version Output version information and exit.\n"
"\n"
"Valid commands are:\n"
+ " init [name] Create initial configuration files.\n"
" start Start tincd.\n"
" stop Stop tincd.\n"
" restart Restart tincd.\n"
- " reload Reload configuration of running tincd.\n"
+ " reload Partially reload configuration of running tincd.\n"
" pid Show PID of currently running tincd.\n"
" generate-keys [bits] Generate new RSA and ECDSA public/private keypairs.\n"
" generate-rsa-keys [bits] Generate a new RSA public/private keypair.\n"
" purge Purge unreachable nodes\n"
" debug N Set debug level\n"
" retry Retry all outgoing connections\n"
- " reload Partial reload of configuration\n"
" disconnect NODE Close meta connection with NODE\n"
#ifdef HAVE_CURSES
" top Show real-time statistics\n"
#endif
- " pcap Dump traffic in pcap format\n"
+ " pcap [snaplen] Dump traffic in pcap format [up to snaplen bytes per packet]\n"
+ " log [level] Dump log output [up to the specified level]\n"
"\n");
printf("Report bugs to tinc@tinc-vpn.org.\n");
}
}
}
+ if(!netname) {
+ netname = getenv("NETNAME");
+ if(netname)
+ netname = xstrdup(netname);
+ }
+
return true;
}
-FILE *ask_and_open(const char *filename, const char *what, const char *mode) {
+static FILE *ask_and_open(const char *filename, const char *what, const char *mode) {
FILE *r;
char *directory;
char buf[PATH_MAX];
return true;
}
-bool recvdata(int fd, char *data, size_t len) {
+static bool recvdata(int fd, char *data, size_t len) {
while(blen < len) {
int result = recv(fd, buffer + blen, sizeof buffer - blen, 0);
if(result == -1 && errno == EINTR)
bool sendline(int fd, char *format, ...) {
static char buffer[4096];
char *p = buffer;
- size_t blen = 0;
+ int blen = 0;
va_list ap;
va_start(ap, format);
blen = vsnprintf(buffer, sizeof buffer, format, ap);
va_end(ap);
- if(blen < 0 || blen >= sizeof buffer)
+ if(blen < 1 || blen >= sizeof buffer)
return false;
buffer[blen] = '\n';
int result = send(fd, p, blen, 0);
if(result == -1 && errno == EINTR)
continue;
- else if(result <= 0);
+ else if(result <= 0)
return false;
p += result;
blen -= result;
return true;
}
-void pcap(int fd, FILE *out) {
- sendline(fd, "%d %d", CONTROL, REQ_PCAP);
+static void pcap(int fd, FILE *out, int snaplen) {
+ sendline(fd, "%d %d %d", CONTROL, REQ_PCAP, snaplen);
char data[9018];
struct {
0xa1b2c3d4,
2, 4,
0, 0,
- sizeof data,
+ snaplen ?: sizeof data,
1,
};
}
}
-int main(int argc, char *argv[], char *envp[]) {
- int fd;
- int result;
- char host[128];
- char port[128];
- int pid;
-
- program_name = argv[0];
-
- if(!parse_options(argc, argv))
- return 1;
-
- make_names();
-
- if(show_version) {
- printf("%s version %s (built %s %s, protocol %d)\n", PACKAGE,
- VERSION, __DATE__, __TIME__, PROT_CURRENT);
- printf("Copyright (C) 1998-2009 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"
- "see the file COPYING for details.\n");
-
- return 0;
- }
+static void logcontrol(int fd, FILE *out, int level) {
+ sendline(fd, "%d %d %d", CONTROL, REQ_LOG, level);
+ char data[1024];
+ char line[32];
- if(show_help) {
- usage(false);
- return 0;
+ while(recvline(fd, line, sizeof line)) {
+ int code, req, len;
+ int n = sscanf(line, "%d %d %d", &code, &req, &len);
+ if(n != 3 || code != CONTROL || req != REQ_LOG || len < 0 || len > sizeof data)
+ break;
+ if(!recvdata(fd, data, len))
+ break;
+ fwrite(data, len, 1, out);
+ fputc('\n', out);
+ fflush(out);
}
+}
- if(optind >= argc) {
- fprintf(stderr, "Not enough arguments.\n");
- usage(true);
- return 1;
+#ifdef HAVE_MINGW
+static bool remove_service(void) {
+ SC_HANDLE manager = NULL;
+ SC_HANDLE service = NULL;
+ SERVICE_STATUS status = {0};
+
+ manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
+ if(!manager) {
+ fprintf(stderr, "Could not open service manager: %s\n", winerror(GetLastError()));
+ return false;
}
- // First handle commands that don't involve connecting to a running tinc daemon.
+ service = OpenService(manager, identname, SERVICE_ALL_ACCESS);
- if(!strcasecmp(argv[optind], "generate-rsa-keys")) {
- return !rsa_keygen(optind > argc ? atoi(argv[optind + 1]) : 2048);
+ if(!service) {
+ fprintf(stderr, "Could not open %s service: %s\n", identname, winerror(GetLastError()));
+ return false;
}
- if(!strcasecmp(argv[optind], "generate-ecdsa-keys")) {
- return !ecdsa_keygen();
- }
+ if(!ControlService(service, SERVICE_CONTROL_STOP, &status))
+ fprintf(stderr, "Could not stop %s service: %s\n", identname, winerror(GetLastError()));
+ else
+ fprintf(stderr, "%s service stopped\n", identname);
- if(!strcasecmp(argv[optind], "generate-keys")) {
- return !(rsa_keygen(optind > argc ? atoi(argv[optind + 1]) : 2048) && ecdsa_keygen());
+ if(!DeleteService(service)) {
+ fprintf(stderr, "Could not remove %s service: %s\n", identname, winerror(GetLastError()));
+ return false;
}
- if(!strcasecmp(argv[optind], "start")) {
- argv[optind] = NULL;
- execve(SBINDIR "/tincd", argv, envp);
- fprintf(stderr, "Could not start tincd: %s", strerror(errno));
- return 1;
- }
+ fprintf(stderr, "%s service removed\n", identname);
+
+ return true;
+}
+#endif
- /*
- * Now handle commands that do involve connecting to a running tinc daemon.
- * Authenticate the server by ensuring the parent directory can be
- * traversed only by root. Note this is not totally race-free unless all
- * ancestors are writable only by trusted users, which we don't verify.
- */
+static bool connect_tincd() {
+ if(fd >= 0)
+ return true;
FILE *f = fopen(pidfilename, "r");
if(!f) {
fprintf(stderr, "Could not open pid file %s: %s\n", pidfilename, strerror(errno));
- return 1;
+ return false;
}
+
+ char host[128];
+ char port[128];
+
if(fscanf(f, "%20d %1024s %128s port %128s", &pid, controlcookie, host, port) != 4) {
fprintf(stderr, "Could not parse pid file %s\n", pidfilename);
- return 1;
+ return false;
}
#ifdef HAVE_MINGW
if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) {
fprintf(stderr, "System call `%s' failed: %s", "WSAStartup", winerror(GetLastError()));
- return 1;
+ return false;
}
#endif
struct addrinfo *res = NULL;
if(getaddrinfo(host, port, &hints, &res) || !res) {
- fprintf(stderr, "Cannot resolve %s port %s: %s", host ?: "localhost", port, strerror(errno));
- return 1;
+ fprintf(stderr, "Cannot resolve %s port %s: %s", host, port, strerror(errno));
+ return false;
}
fd = socket(res->ai_family, SOCK_STREAM, IPPROTO_TCP);
if(fd < 0) {
fprintf(stderr, "Cannot create TCP socket: %s\n", sockstrerror(sockerrno));
- return 1;
+ return false;
}
#ifdef HAVE_MINGW
#endif
if(connect(fd, res->ai_addr, res->ai_addrlen) < 0) {
- fprintf(stderr, "Cannot connect to %s port %s: %s\n", host ?: "localhost", port, sockstrerror(sockerrno));
- return 1;
+ fprintf(stderr, "Cannot connect to %s port %s: %s\n", host, port, sockstrerror(sockerrno));
+ return false;
}
freeaddrinfo(res);
- char line[4096];
char data[4096];
- int code, version, req;
+ int version;
if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %s %d", &code, data, &version) != 3 || code != 0) {
- fprintf(stderr, "Cannot read greeting from control socket: %s\n",
- sockstrerror(sockerrno));
- return 1;
+ fprintf(stderr, "Cannot read greeting from control socket: %s\n", sockstrerror(sockerrno));
+ 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) {
fprintf(stderr, "Could not fully establish control socket connection\n");
- return 1;
+ return false;
}
- if(!strcasecmp(argv[optind], "pid")) {
- printf("%d\n", pid);
- return 0;
- }
+ return true;
+}
- if(!strcasecmp(argv[optind], "stop")) {
- sendline(fd, "%d %d", CONTROL, REQ_STOP);
- if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_STOP || result) {
- fprintf(stderr, "Could not stop tinc daemon\n");
- return 1;
- }
- return 0;
+
+static int cmd_start(int argc, char *argv[]) {
+ int i, j;
+ char *c;
+ char *slash = strrchr(argv[0], '/');
+
+#ifdef HAVE_MINGW
+ if ((c = strrchr(argv[0], '\\')) > slash)
+ slash = c;
+#endif
+
+ if (slash++) {
+ c = xmalloc((slash - argv[0]) + sizeof("tincd"));
+ sprintf(c, "%.*stincd", (int)(slash - argv[0]), argv[0]);
}
+ else
+ c = "tincd";
- if(!strcasecmp(argv[optind], "reload")) {
- sendline(fd, "%d %d", CONTROL, REQ_RELOAD);
- if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_RELOAD || result) {
- fprintf(stderr, "Could not reload tinc daemon\n");
- return 1;
- }
- return 0;
+ argv[0] = c;
+
+ for(i = j = 1; argv[i]; ++i)
+ if (i != optind && strcmp(argv[i], "--") != 0)
+ argv[j++] = argv[i];
+
+ argv[j] = NULL;
+ execvp(c, argv);
+ fprintf(stderr, "Could not start %s: %s\n", c, strerror(errno));
+ return 1;
+}
+
+static int cmd_stop(int argc, char *argv[]) {
+#ifndef HAVE_MINGW
+ if(!connect_tincd())
+ return 1;
+
+ sendline(fd, "%d %d", CONTROL, REQ_STOP);
+ if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_STOP || result) {
+ fprintf(stderr, "Could not stop tinc daemon.\n");
+ return 1;
}
+#else
+ if(!remove_service())
+ return 1;
+#endif
+ return 0;
+}
- if(!strcasecmp(argv[optind], "restart")) {
- sendline(fd, "%d %d", CONTROL, REQ_RESTART);
- if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_RESTART || result) {
- fprintf(stderr, "Could not restart tinc daemon\n");
- return 1;
- }
- return 0;
+static int cmd_restart(int argc, char *argv[]) {
+ return cmd_stop(argc, argv) ?: cmd_start(argc, argv);
+}
+
+static int cmd_reload(int argc, char *argv[]) {
+ if(!connect_tincd())
+ return 1;
+
+ sendline(fd, "%d %d", CONTROL, REQ_RELOAD);
+ if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_RELOAD || result) {
+ fprintf(stderr, "Could not reload configuration.\n");
+ return 1;
}
- if(!strcasecmp(argv[optind], "retry")) {
- sendline(fd, "%d %d", CONTROL, REQ_RETRY);
- if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_RETRY || result) {
- fprintf(stderr, "Could not retry outgoing connections\n");
- return 1;
- }
- return 0;
+ return 0;
+
+}
+
+static int cmd_dump(int argc, char *argv[]) {
+ if(argc != 2) {
+ fprintf(stderr, "Invalid number of arguments.\n");
+ usage(true);
+ return 1;
}
- if(!strcasecmp(argv[optind], "dump")) {
- if(argc < optind + 2) {
- fprintf(stderr, "Not enough arguments.\n");
- usage(true);
- return 1;
- }
+ bool do_graph = false;
+
+ if(!strcasecmp(argv[1], "nodes"))
+ sendline(fd, "%d %d", CONTROL, REQ_DUMP_NODES);
+ else if(!strcasecmp(argv[1], "edges"))
+ sendline(fd, "%d %d", CONTROL, REQ_DUMP_EDGES);
+ else if(!strcasecmp(argv[1], "subnets"))
+ sendline(fd, "%d %d", CONTROL, REQ_DUMP_SUBNETS);
+ else if(!strcasecmp(argv[1], "connections"))
+ sendline(fd, "%d %d", CONTROL, REQ_DUMP_CONNECTIONS);
+ else if(!strcasecmp(argv[1], "graph")) {
+ sendline(fd, "%d %d", CONTROL, REQ_DUMP_NODES);
+ sendline(fd, "%d %d", CONTROL, REQ_DUMP_EDGES);
+ do_graph = true;
+ } else {
+ fprintf(stderr, "Unknown dump type '%s'.\n", argv[1]);
+ usage(true);
+ return 1;
+ }
- bool do_graph = false;
-
- if(!strcasecmp(argv[optind+1], "nodes"))
- sendline(fd, "%d %d", CONTROL, REQ_DUMP_NODES);
- else if(!strcasecmp(argv[optind+1], "edges"))
- sendline(fd, "%d %d", CONTROL, REQ_DUMP_EDGES);
- else if(!strcasecmp(argv[optind+1], "subnets"))
- sendline(fd, "%d %d", CONTROL, REQ_DUMP_SUBNETS);
- else if(!strcasecmp(argv[optind+1], "connections"))
- sendline(fd, "%d %d", CONTROL, REQ_DUMP_CONNECTIONS);
- else if(!strcasecmp(argv[optind+1], "graph")) {
- sendline(fd, "%d %d", CONTROL, REQ_DUMP_NODES);
- sendline(fd, "%d %d", CONTROL, REQ_DUMP_EDGES);
- do_graph = true;
- printf("digraph {\n");
- } else {
- fprintf(stderr, "Unknown dump type '%s'.\n", argv[optind+1]);
- usage(true);
- return 1;
- }
+ if(!connect_tincd())
+ return 1;
- while(recvline(fd, line, sizeof line)) {
- char node1[4096], node2[4096];
- int n = sscanf(line, "%d %d %s to %s", &code, &req, node1, node2);
- if(n == 2) {
- if(do_graph && req == REQ_DUMP_NODES)
- continue;
- else {
- if(do_graph)
- printf("}\n");
- return 0;
- }
- }
- if(n < 2)
- break;
+ if(do_graph)
+ printf("digraph {\n");
- if(!do_graph)
- printf("%s\n", line + 5);
+ while(recvline(fd, line, sizeof line)) {
+ char node1[4096], node2[4096];
+ int n = sscanf(line, "%d %d %s to %s", &code, &req, node1, node2);
+ if(n == 2) {
+ if(do_graph && req == REQ_DUMP_NODES)
+ continue;
else {
- if(req == REQ_DUMP_NODES)
- printf(" %s [label = \"%s\"];\n", node1, node1);
- else
- printf(" %s -> %s;\n", node1, node2);
+ if(do_graph)
+ printf("}\n");
+ return 0;
}
}
+ if(n < 2)
+ break;
- fprintf(stderr, "Error receiving dump\n");
+ if(!do_graph)
+ printf("%s\n", line + 5);
+ else {
+ if(req == REQ_DUMP_NODES)
+ printf(" %s [label = \"%s\"];\n", node1, node1);
+ else
+ printf(" %s -> %s;\n", node1, node2);
+ }
+ }
+
+ fprintf(stderr, "Error receiving dump.\n");
+ return 1;
+}
+
+static int cmd_purge(int argc, char *argv[]) {
+ if(!connect_tincd())
+ return 1;
+
+ sendline(fd, "%d %d", CONTROL, REQ_PURGE);
+ if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_PURGE || result) {
+ fprintf(stderr, "Could not purge old information.\n");
return 1;
}
- if(!strcasecmp(argv[optind], "purge")) {
- sendline(fd, "%d %d", CONTROL, REQ_PURGE);
- if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_PURGE || result) {
- fprintf(stderr, "Could not purge tinc daemon\n");
- return 1;
- }
- return 0;
+ return 0;
+}
+
+static int cmd_debug(int argc, char *argv[]) {
+ if(argc != 2) {
+ fprintf(stderr, "Invalid number of arguments.\n");
+ return 1;
}
- if(!strcasecmp(argv[optind], "debug")) {
- int debuglevel, origlevel;
+ if(!connect_tincd())
+ return 1;
- if(argc != optind + 2) {
- fprintf(stderr, "Invalid arguments.\n");
- return 1;
- }
- debuglevel = atoi(argv[optind+1]);
+ int debuglevel = atoi(argv[1]);
+ int origlevel;
- sendline(fd, "%d %d %d", CONTROL, REQ_SET_DEBUG, debuglevel);
- if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &origlevel) != 3 || code != CONTROL || req != REQ_SET_DEBUG) {
- fprintf(stderr, "Could not purge tinc daemon\n");
- return 1;
- }
+ sendline(fd, "%d %d %d", CONTROL, REQ_SET_DEBUG, debuglevel);
+ if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &origlevel) != 3 || code != CONTROL || req != REQ_SET_DEBUG) {
+ fprintf(stderr, "Could not set debug level.\n");
+ return 1;
+ }
- fprintf(stderr, "Old level %d, new level %d\n", origlevel, debuglevel);
- return 0;
+ fprintf(stderr, "Old level %d, new level %d.\n", origlevel, debuglevel);
+ return 0;
+}
+
+static int cmd_retry(int argc, char *argv[]) {
+ if(!connect_tincd())
+ return 1;
+
+ sendline(fd, "%d %d", CONTROL, REQ_RETRY);
+ if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_RETRY || result) {
+ fprintf(stderr, "Could not retry outgoing connections.\n");
+ return 1;
+ }
+
+ return 0;
+}
+
+static int cmd_connect(int argc, char *argv[]) {
+ if(argc != 2) {
+ fprintf(stderr, "Invalid number of arguments.\n");
+ return 1;
+ }
+
+ if(!connect_tincd())
+ return 1;
+
+ sendline(fd, "%d %d %s", CONTROL, REQ_CONNECT, argv[1]);
+ if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_CONNECT || result) {
+ fprintf(stderr, "Could not connect to %s.\n", argv[1]);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int cmd_disconnect(int argc, char *argv[]) {
+ if(argc != 2) {
+ fprintf(stderr, "Invalid number of arguments.\n");
+ return 1;
+ }
+
+ if(!connect_tincd())
+ return 1;
+
+ sendline(fd, "%d %d %s", CONTROL, REQ_DISCONNECT, argv[1]);
+ if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_DISCONNECT || result) {
+ fprintf(stderr, "Could not disconnect %s.\n", argv[1]);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int cmd_top(int argc, char *argv[]) {
+#ifdef HAVE_CURSES
+ if(!connect_tincd())
+ return 1;
+
+ top(fd);
+ return 0;
+#else
+ fprintf(stderr, "This version of tincctl was compiled without support for the curses library.\n");
+ return 1;
+#endif
+}
+
+static int cmd_pcap(int argc, char *argv[]) {
+ if(!connect_tincd())
+ return 1;
+
+ pcap(fd, stdout, argc > 1 ? atoi(argv[1]) : 0);
+ return 0;
+}
+
+static int cmd_log(int argc, char *argv[]) {
+ if(!connect_tincd())
+ return 1;
+
+ logcontrol(fd, stdout, argc > 1 ? atoi(argv[1]) : -1);
+ return 0;
+}
+
+static int cmd_pid(int argc, char *argv[]) {
+ if(!connect_tincd())
+ return 1;
+
+ printf("%d\n", pid);
+ return 0;
+}
+
+static int cmd_init(int argc, char *argv[]) {
+ char *tinc_conf = NULL;
+ xasprintf(&tinc_conf, "%s/tinc.conf", confbase);
+ if(!access(confbase, F_OK)) {
+ fprintf(stderr, "Configuration file %s already exists!\n", tinc_conf);
+ return 1;
}
- if(!strcasecmp(argv[optind], "connect")) {
- if(argc != optind + 2) {
- fprintf(stderr, "Invalid arguments.\n");
+ if(optind >= argc - 1) {
+ if(isatty(0) && isatty(1)) {
+ char buf[1024];
+ fprintf(stdout, "Enter the Name you want your tinc node to have: ");
+ fflush(stdout);
+ if(!fgets(buf, sizeof buf, stdin)) {
+ fprintf(stderr, "Error while reading stdin: %s\n", strerror(errno));
+ return 1;
+ }
+ int len = strlen(buf);
+ if(len)
+ buf[--len] = 0;
+ if(!len) {
+ fprintf(stderr, "No name given!\n");
+ return 1;
+ }
+ name = strdup(buf);
+ } else {
+ fprintf(stderr, "No Name given!\n");
return 1;
}
- char *name = argv[optind + 1];
-
- sendline(fd, "%d %d %s", CONTROL, REQ_CONNECT, name);
- if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_CONNECT || result) {
- fprintf(stderr, "Could not connect to %s\n", name);
+ } else {
+ name = strdup(argv[optind + 1]);
+ if(!*name) {
+ fprintf(stderr, "No Name given!\n");
return 1;
}
- return 0;
}
- if(!strcasecmp(argv[optind], "disconnect")) {
- if(argc != optind + 2) {
- fprintf(stderr, "Invalid arguments.\n");
+ for(int i = 0; i < strlen(name); i++) {
+ if(!isalnum(name[i]) && name[i] != '_') {
+ fprintf(stderr, "Invalid Name! Only a-z, A-Z, 0-9 and _ are allowed characters.\n");
return 1;
}
- char *name = argv[optind + 1];
+ }
- sendline(fd, "%d %d %s", CONTROL, REQ_DISCONNECT, name);
- if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %d %d", &code, &req, &result) != 3 || code != CONTROL || req != REQ_DISCONNECT || result) {
- fprintf(stderr, "Could not disconnect %s\n", name);
- return 1;
- }
- return 0;
+ if(mkdir(CONFDIR, 0755) && errno != EEXIST) {
+ fprintf(stderr, "Could not create directory %s: %s\n", CONFDIR, strerror(errno));
+ return 1;
}
-#ifdef HAVE_CURSES
- if(!strcasecmp(argv[optind], "top")) {
- top(fd);
+ if(mkdir(confbase, 0755) && errno != EEXIST) {
+ fprintf(stderr, "Could not create directory %s: %s\n", confbase, strerror(errno));
+ return 1;
+ }
+
+ char *hosts_dir = NULL;
+ xasprintf(&hosts_dir, "%s/hosts", confbase);
+ if(mkdir(hosts_dir, 0755) && errno != EEXIST) {
+ fprintf(stderr, "Could not create directory %s: %s\n", hosts_dir, strerror(errno));
+ return 1;
+ }
+
+ FILE *f = fopen(tinc_conf, "w");
+ if(!f) {
+ fprintf(stderr, "Could not create file %s: %s\n", tinc_conf, strerror(errno));
+ return 1;
+ }
+
+ fprintf(f, "Name = %s\n", name);
+ fclose(f);
+
+ fclose(stdin);
+ if(!rsa_keygen(2048) || !ecdsa_keygen())
+ return false;
+
+ return true;
+
+}
+
+static int cmd_generate_keys(int argc, char *argv[]) {
+ return !(rsa_keygen(argc > 1 ? atoi(argv[1]) : 2048) && ecdsa_keygen());
+}
+
+static int cmd_generate_rsa_keys(int argc, char *argv[]) {
+ return !rsa_keygen(argc > 1 ? atoi(argv[1]) : 2048);
+}
+
+static int cmd_generate_ecdsa_keys(int argc, char *argv[]) {
+ return !ecdsa_keygen();
+}
+
+static int cmd_help(int argc, char *argv[]) {
+ usage(false);
+ return 0;
+}
+
+static int cmd_version(int argc, char *argv[]) {
+ version();
+ return 0;
+}
+
+static const struct {
+ const char *command;
+ int (*function)(int argc, char *argv[]);
+} commands[] = {
+ {"start", cmd_start},
+ {"stop", cmd_stop},
+ {"restart", cmd_restart},
+ {"reload", cmd_reload},
+ {"dump", cmd_dump},
+ {"purge", cmd_purge},
+ {"debug", cmd_debug},
+ {"retry", cmd_retry},
+ {"connect", cmd_connect},
+ {"disconnect", cmd_disconnect},
+ {"top", cmd_top},
+ {"pcap", cmd_pcap},
+ {"log", cmd_log},
+ {"pid", cmd_pid},
+ {"init", cmd_init},
+ {"generate-keys", cmd_generate_keys},
+ {"generate-rsa-keys", cmd_generate_rsa_keys},
+ {"generate-ecdsa-keys", cmd_generate_ecdsa_keys},
+ {"help", cmd_help},
+ {"version", cmd_version},
+ {NULL, NULL},
+};
+
+int main(int argc, char *argv[]) {
+ program_name = argv[0];
+
+ if(!parse_options(argc, argv))
+ return 1;
+
+ make_names();
+
+ if(show_version) {
+ version();
return 0;
}
-#endif
- if(!strcasecmp(argv[optind], "pcap")) {
- pcap(fd, stdout);
+ if(show_help) {
+ usage(false);
return 0;
}
+ if(optind >= argc) {
+ fprintf(stderr, "No command given.\n");
+ usage(true);
+ return 1;
+ }
+
+ for(int i = 0; commands[i].command; i++) {
+ if(!strcasecmp(argv[optind], commands[i].command))
+ return commands[i].function(argc - optind, argv + optind);
+ }
+
fprintf(stderr, "Unknown command `%s'.\n", argv[optind]);
usage(true);
-
- close(fd);
-
- return 0;
+ return 1;
}
projects / tinc / blobdiff