/*
tincctl.c -- Controlling a running tincd
- Copyright (C) 2007-2012 Guus Sliepen <guus@tinc-vpn.org>
+ Copyright (C) 2007-2013 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 "control_common.h"
#include "ecdsagen.h"
#include "info.h"
+#include "names.h"
#include "rsagen.h"
#include "utils.h"
#include "tincctl.h"
#define mkdir(a, b) mkdir(a)
#endif
-
-/* The name this program was run with. */
-static char *program_name = NULL;
-
static char **orig_argv;
static int orig_argc;
static bool show_version = false;
static char *name = NULL;
-static char *identname = NULL; /* program name for syslog */
-static char *pidfilename = NULL; /* pid file location */
-static char *confdir = NULL;
-static char controlcookie[1024];
-char *netname = NULL;
-char *confbase = NULL;
+static char controlcookie[1025];
static char *tinc_conf = NULL;
static char *hosts_dir = NULL;
+struct timeval now;
// Horrible global variables...
static int pid = 0;
}
static void usage(bool status) {
- if(status)
- fprintf(stderr, "Try `%s --help\' for more information.\n",
- program_name);
- else {
+ if(status) {
+ fprintf(stderr, "Try `%s --help\' for more information.\n", program_name);
+ } else {
printf("Usage: %s [options] command\n\n", program_name);
printf("Valid options are:\n"
" -c, --config=DIR Read configuration options from DIR.\n"
" generate-rsa-keys [bits] Generate a new RSA public/private keypair.\n"
" generate-ecdsa-keys Generate a new ECDSA public/private keypair.\n"
" dump Dump a list of one of the following things:\n"
- " nodes - all known nodes in the VPN\n"
+ " [reachable] nodes - all known nodes in the VPN\n"
" edges - all known connections in the VPN\n"
" subnets - all known subnets in the VPN\n"
" connections - all meta connections with ourself\n"
- " graph - graph of the VPN in dotty format\n"
+ " [di]graph - graph of the VPN in dotty format\n"
" info NODE|SUBNET|ADDRESS Give information about a particular NODE, SUBNET or ADDRESS.\n"
" purge Purge unreachable nodes\n"
" debug N Set debug level\n"
" export Export host configuration of local node to standard output\n"
" export-all Export all host configuration files to standard output\n"
" import [--force] Import host configuration file(s) from standard input\n"
+ " exchange [--force] Same as export followed by import\n"
+ " exchange-all [--force] Same as export-all followed by import\n"
"\n");
printf("Report bugs to tinc@tinc-vpn.org.\n");
}
while((r = getopt_long(argc, argv, "c:n:Dd::Lo:RU:", long_options, &option_index)) != EOF) {
switch (r) {
- case 0: /* long option */
+ case 0: /* long option */
break;
- case 'c': /* config file */
+ case 'c': /* config file */
confbase = xstrdup(optarg);
break;
- case 'n': /* net name given */
+ case 'n': /* net name given */
netname = xstrdup(optarg);
break;
- case 1: /* show help */
+ case 1: /* show help */
show_help = true;
break;
- case 2: /* show version */
+ case 2: /* show version */
show_version = true;
break;
- case 5: /* open control socket here */
+ case 5: /* open control socket here */
pidfilename = xstrdup(optarg);
break;
- case 6:
+ case 6: /* force */
force = true;
break;
- case '?':
+ case '?': /* wrong options */
usage(true);
return false;
}
}
- if(!netname && (netname = getenv("NETNAME")))
- netname = xstrdup(netname);
+ if(!netname && (netname = getenv("NETNAME")))
+ netname = xstrdup(netname);
- /* netname "." is special: a "top-level name" */
+ /* netname "." is special: a "top-level name" */
- if(netname && (!*netname || !strcmp(netname, "."))) {
- free(netname);
- netname = NULL;
- }
+ if(netname && (!*netname || !strcmp(netname, "."))) {
+ free(netname);
+ netname = NULL;
+ }
if(netname && (strpbrk(netname, "\\/") || *netname == '.')) {
fprintf(stderr, "Invalid character in netname!\n");
return true;
}
+static void disable_old_keys(const char *filename, const char *what) {
+ char tmpfile[PATH_MAX] = "";
+ char buf[1024];
+ bool disabled = false;
+ bool block = false;
+ bool error = false;
+ FILE *r, *w;
+
+ r = fopen(filename, "r");
+ if(!r)
+ return;
+
+ snprintf(tmpfile, sizeof tmpfile, "%s.tmp", filename);
+
+ w = fopen(tmpfile, "w");
+
+ while(fgets(buf, sizeof buf, r)) {
+ if(!block && !strncmp(buf, "-----BEGIN ", 11)) {
+ if((strstr(buf, " EC ") && strstr(what, "ECDSA")) || (strstr(buf, " RSA ") && strstr(what, "RSA"))) {
+ disabled = true;
+ block = true;
+ }
+ }
+
+ bool ecdsapubkey = !strncasecmp(buf, "ECDSAPublicKey", 14) && strchr(" \t=", buf[14]) && strstr(what, "ECDSA");
+
+ if(ecdsapubkey)
+ disabled = true;
+
+ if(w) {
+ if(block || ecdsapubkey)
+ fputc('#', w);
+ if(fputs(buf, w) < 0) {
+ error = true;
+ break;
+ }
+ }
+
+ if(block && !strncmp(buf, "-----END ", 9))
+ block = false;
+ }
+
+ if(w)
+ if(fclose(w) < 0)
+ error = true;
+ if(ferror(r) || fclose(r) < 0)
+ error = true;
+
+ if(disabled) {
+ if(!w || error) {
+ fprintf(stderr, "Warning: old key(s) found, remove them by hand!\n");
+ if(w)
+ unlink(tmpfile);
+ return;
+ }
+
+#ifdef HAVE_MINGW
+ // We cannot atomically replace files on Windows.
+ char bakfile[PATH_MAX] = "";
+ snprintf(bakfile, sizeof bakfile, "%s.bak", filename);
+ if(rename(filename, bakfile) || rename(tmpfile, filename)) {
+ rename(bakfile, filename);
+#else
+ if(rename(tmpfile, filename)) {
+#endif
+ fprintf(stderr, "Warning: old key(s) found, remove them by hand!\n");
+ } else {
+#ifdef HAVE_MINGW
+ unlink(bakfile);
+#endif
+ fprintf(stderr, "Warning: old key(s) found and disabled.\n");
+ }
+ }
+
+ unlink(tmpfile);
+}
+
static FILE *ask_and_open(const char *filename, const char *what, const char *mode, bool ask) {
FILE *r;
char *directory;
filename = buf2;
}
- umask(0077); /* Disallow everything for group and other */
+ umask(0077); /* Disallow everything for group and other */
+
+ disable_old_keys(filename, what);
/* Open it first to keep the inode busy */
static bool ecdsa_keygen(bool ask) {
ecdsa_t key;
FILE *f;
- char *filename;
+ char *pubname, *privname;
fprintf(stderr, "Generating ECDSA keypair:\n");
} else
fprintf(stderr, "Done.\n");
- xasprintf(&filename, "%s" SLASH "ecdsa_key.priv", confbase);
- f = ask_and_open(filename, "private ECDSA key", "a", ask);
+ xasprintf(&privname, "%s" SLASH "ecdsa_key.priv", confbase);
+ f = ask_and_open(privname, "private ECDSA key", "a", ask);
+ free(privname);
if(!f)
return false;
-
+
#ifdef HAVE_FCHMOD
/* Make it unreadable for others. */
fchmod(fileno(f), 0600);
#endif
-
- if(ftell(f))
- fprintf(stderr, "Appending key to existing contents.\nMake sure only one key is stored in the file.\n");
ecdsa_write_pem_private_key(&key, f);
fclose(f);
- free(filename);
if(name)
- xasprintf(&filename, "%s" SLASH "hosts" SLASH "%s", confbase, name);
+ xasprintf(&pubname, "%s" SLASH "hosts" SLASH "%s", confbase, name);
else
- xasprintf(&filename, "%s" SLASH "ecdsa_key.pub", confbase);
+ xasprintf(&pubname, "%s" SLASH "ecdsa_key.pub", confbase);
- f = ask_and_open(filename, "public ECDSA key", "a", ask);
+ f = ask_and_open(pubname, "public ECDSA key", "a", ask);
+ free(pubname);
if(!f)
return false;
- if(ftell(f))
- fprintf(stderr, "Appending key to existing contents.\nMake sure only one key is stored in the file.\n");
-
char *pubkey = ecdsa_get_base64_public_key(&key);
fprintf(f, "ECDSAPublicKey = %s\n", pubkey);
free(pubkey);
fclose(f);
- free(filename);
return true;
}
static bool rsa_keygen(int bits, bool ask) {
rsa_t key;
FILE *f;
- char *filename;
+ char *pubname, *privname;
fprintf(stderr, "Generating %d bits keys:\n", bits);
} else
fprintf(stderr, "Done.\n");
- xasprintf(&filename, "%s" SLASH "rsa_key.priv", confbase);
- f = ask_and_open(filename, "private RSA key", "a", ask);
+ xasprintf(&privname, "%s" SLASH "rsa_key.priv", confbase);
+ f = ask_and_open(privname, "private RSA key", "a", ask);
+ free(privname);
if(!f)
return false;
-
+
#ifdef HAVE_FCHMOD
/* Make it unreadable for others. */
fchmod(fileno(f), 0600);
#endif
-
- if(ftell(f))
- fprintf(stderr, "Appending key to existing contents.\nMake sure only one key is stored in the file.\n");
rsa_write_pem_private_key(&key, f);
fclose(f);
- free(filename);
if(name)
- xasprintf(&filename, "%s" SLASH "hosts" SLASH "%s", confbase, name);
+ xasprintf(&pubname, "%s" SLASH "hosts" SLASH "%s", confbase, name);
else
- xasprintf(&filename, "%s" SLASH "rsa_key.pub", confbase);
+ xasprintf(&pubname, "%s" SLASH "rsa_key.pub", confbase);
- f = ask_and_open(filename, "public RSA key", "a", ask);
+ f = ask_and_open(pubname, "public RSA key", "a", ask);
+ free(pubname);
if(!f)
return false;
- if(ftell(f))
- fprintf(stderr, "Appending key to existing contents.\nMake sure only one key is stored in the file.\n");
-
rsa_write_pem_public_key(&key, f);
fclose(f);
- free(filename);
return true;
}
-/*
- Set all files and paths according to netname
-*/
-static void make_names(void) {
-#ifdef HAVE_MINGW
- HKEY key;
- char installdir[1024] = "";
- long len = sizeof installdir;
-#endif
-
- if(netname)
- xasprintf(&identname, "tinc.%s", netname);
- else
- identname = xstrdup("tinc");
-
-#ifdef HAVE_MINGW
- if(!RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\tinc", 0, KEY_READ, &key)) {
- if(!RegQueryValueEx(key, NULL, 0, 0, installdir, &len)) {
- if(!confbase) {
- if(netname)
- xasprintf(&confbase, "%s" SLASH "%s", installdir, netname);
- else
- xasprintf(&confbase, "%s", installdir);
- }
- }
- if(!pidfilename)
- xasprintf(&pidfilename, "%s" SLASH "pid", confbase);
- RegCloseKey(key);
- }
-
- if(!*installdir) {
-#endif
- confdir = xstrdup(CONFDIR);
-
- if(!pidfilename)
- xasprintf(&pidfilename, "%s" SLASH "run" SLASH "%s.pid", LOCALSTATEDIR, identname);
-
- if(netname) {
- if(!confbase)
- xasprintf(&confbase, CONFDIR SLASH "tinc" SLASH "%s", netname);
- else
- fprintf(stderr, "Both netname and configuration directory given, using the latter...\n");
- } else {
- if(!confbase)
- xasprintf(&confbase, CONFDIR SLASH "tinc");
- }
-
-#ifdef HAVE_MINGW
- } else
- confdir = xstrdup(installdir);
-#endif
-
- xasprintf(&tinc_conf, "%s" SLASH "tinc.conf", confbase);
- xasprintf(&hosts_dir, "%s" SLASH "hosts", confbase);
-}
-
static char buffer[4096];
static size_t blen = 0;
blen -= result;
}
- return true;
+ return true;
}
static void pcap(int fd, FILE *out, int snaplen) {
#endif
static bool connect_tincd(bool verbose) {
- if(fd >= 0)
- return true;
+ if(fd >= 0) {
+ fd_set r;
+ FD_ZERO(&r);
+ FD_SET(fd, &r);
+ struct timeval tv = {0, 0};
+ if(select(fd + 1, &r, NULL, NULL, &tv)) {
+ fprintf(stderr, "Previous connection to tincd lost, reconnecting.\n");
+ close(fd);
+ fd = -1;
+ } else {
+ return true;
+ }
+ }
FILE *f = fopen(pidfilename, "r");
if(!f) {
return false;
}
- char host[128];
- char port[128];
+ char host[129];
+ char port[129];
if(fscanf(f, "%20d %1024s %128s port %128s", &pid, controlcookie, host, port) != 4) {
if(verbose)
}
#endif
+#ifndef HAVE_MINGW
+ struct sockaddr_un sa;
+ sa.sun_family = AF_UNIX;
+ strncpy(sa.sun_path, unixsocketname, sizeof sa.sun_path);
+
+ fd = socket(AF_UNIX, SOCK_STREAM, 0);
+ if(fd < 0) {
+ if(verbose)
+ fprintf(stderr, "Cannot create UNIX socket: %s\n", sockstrerror(sockerrno));
+ return false;
+ }
+
+ if(connect(fd, (struct sockaddr *)&sa, sizeof sa) < 0) {
+ if(verbose)
+ fprintf(stderr, "Cannot connect to UNIX socket %s: %s\n", unixsocketname, sockstrerror(sockerrno));
+ close(fd);
+ fd = -1;
+ return false;
+ }
+#else
struct addrinfo hints = {
.ai_family = AF_UNSPEC,
.ai_socktype = SOCK_STREAM,
if(connect(fd, res->ai_addr, res->ai_addrlen) < 0) {
if(verbose)
fprintf(stderr, "Cannot connect to %s port %s: %s\n", host, port, sockstrerror(sockerrno));
+ close(fd);
+ fd = -1;
return false;
}
freeaddrinfo(res);
+#endif
char data[4096];
int version;
if(!recvline(fd, line, sizeof line) || sscanf(line, "%d %s %d", &code, data, &version) != 3 || code != 0) {
if(verbose)
fprintf(stderr, "Cannot read greeting from control socket: %s\n", sockstrerror(sockerrno));
+ close(fd);
+ fd = -1;
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");
+ close(fd);
+ fd = -1;
return false;
}
c = "tincd";
int nargc = 0;
- char **nargv = xmalloc_and_zero((orig_argc + argc) * sizeof *nargv);
+ char **nargv = xmalloc_and_zero((optind + argc) * sizeof *nargv);
- for(int i = 0; i < orig_argc; i++)
+ nargv[nargc++] = c;
+ for(int i = 1; i < optind; i++)
nargv[nargc++] = orig_argv[i];
for(int i = 1; i < argc; i++)
nargv[nargc++] = argv[i];
pid_t pid = fork();
if(pid == -1) {
fprintf(stderr, "Could not fork: %s\n", strerror(errno));
+ free(nargv);
return 1;
}
if(!pid)
exit(execvp(c, nargv));
-
+
+ free(nargv);
+
int status = -1;
if(waitpid(pid, &status, 0) != pid || !WIFEXITED(status) || WEXITSTATUS(status)) {
fprintf(stderr, "Error starting %s\n", c);
}
static int cmd_stop(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
#ifndef HAVE_MINGW
if(!connect_tincd(true)) {
if(pid) {
- if(kill(pid, SIGTERM))
+ if(kill(pid, SIGTERM)) {
+ fprintf(stderr, "Could not send TERM signal to process with PID %u: %s\n", pid, strerror(errno));
return 1;
+ }
+
fprintf(stderr, "Sent TERM signal to process with PID %u.\n", pid);
+ waitpid(pid, NULL, 0);
return 0;
}
fprintf(stderr, "Could not stop tinc daemon.\n");
return 1;
}
+
+ // Wait for tincd to close the connection...
+ fd_set r;
+ FD_ZERO(&r);
+ FD_SET(fd, &r);
+ select(fd + 1, &r, NULL, NULL, NULL);
#else
if(!remove_service())
return 1;
}
static int cmd_reload(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
if(!connect_tincd(true))
return 1;
}
static int cmd_dump(int argc, char *argv[]) {
+ bool only_reachable = false;
+
+ if(argc > 2 && !strcasecmp(argv[1], "reachable")) {
+ if(strcasecmp(argv[2], "nodes")) {
+ fprintf(stderr, "`reachable' only supported for nodes.\n");
+ usage(true);
+ return 1;
+ }
+ only_reachable = true;
+ argv++;
+ argc--;
+ }
+
if(argc != 2) {
fprintf(stderr, "Invalid number of arguments.\n");
usage(true);
if(!connect_tincd(true))
return 1;
- bool do_graph = false;
+ int do_graph = 0;
if(!strcasecmp(argv[1], "nodes"))
sendline(fd, "%d %d", CONTROL, REQ_DUMP_NODES);
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;
+ do_graph = 1;
+ } else if(!strcasecmp(argv[1], "digraph")) {
+ sendline(fd, "%d %d", CONTROL, REQ_DUMP_NODES);
+ sendline(fd, "%d %d", CONTROL, REQ_DUMP_EDGES);
+ do_graph = 2;
} else {
fprintf(stderr, "Unknown dump type '%s'.\n", argv[1]);
usage(true);
return 1;
}
- if(do_graph)
+ if(do_graph == 1)
+ printf("graph {\n");
+ else if(do_graph == 2)
printf("digraph {\n");
while(recvline(fd, line, sizeof line)) {
char node1[4096], node2[4096];
- int n = sscanf(line, "%d %d %s to %s", &code, &req, node1, node2);
+ int n = sscanf(line, "%d %d %s %s", &code, &req, node1, node2);
if(n == 2) {
if(do_graph && req == REQ_DUMP_NODES)
continue;
if(n < 2)
break;
- 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);
+ char node[4096];
+ char from[4096];
+ char to[4096];
+ char subnet[4096];
+ char host[4096];
+ char port[4096];
+ char via[4096];
+ char nexthop[4096];
+ int cipher, digest, maclength, compression, distance, socket, weight;
+ short int pmtu, minmtu, maxmtu;
+ unsigned int options, status_int;
+ node_status_t status;
+ long int last_state_change;
+
+ switch(req) {
+ case REQ_DUMP_NODES: {
+ int n = sscanf(line, "%*d %*d %s %s port %s %d %d %d %d %x %x %s %s %d %hd %hd %hd %ld", node, host, port, &cipher, &digest, &maclength, &compression, &options, &status_int, nexthop, via, &distance, &pmtu, &minmtu, &maxmtu, &last_state_change);
+ if(n != 16) {
+ fprintf(stderr, "Unable to parse node dump from tincd: %s\n", line);
+ return 1;
+ }
+
+ memcpy(&status, &status_int, sizeof status);
+
+ if(do_graph) {
+ const char *color = "black";
+ if(!strcmp(host, "MYSELF"))
+ color = "green";
+ else if(!status.reachable)
+ color = "red";
+ else if(strcmp(via, node))
+ color = "orange";
+ else if(!status.validkey)
+ color = "black";
+ else if(minmtu > 0)
+ color = "green";
+ printf(" %s [label = \"%s\", color = \"%s\"%s];\n", node, node, color, strcmp(host, "MYSELF") ? "" : ", style = \"filled\"");
+ } else {
+ if(only_reachable && !status.reachable)
+ continue;
+ printf("%s at %s port %s cipher %d digest %d maclength %d compression %d options %x status %04x nexthop %s via %s distance %d pmtu %hd (min %hd max %hd)\n",
+ node, host, port, cipher, digest, maclength, compression, options, status_int, nexthop, via, distance, pmtu, minmtu, maxmtu);
+ }
+ } break;
+
+ case REQ_DUMP_EDGES: {
+ int n = sscanf(line, "%*d %*d %s %s %s port %s %x %d", from, to, host, port, &options, &weight);
+ if(n != 6) {
+ fprintf(stderr, "Unable to parse edge dump from tincd.\n");
+ return 1;
+ }
+
+ if(do_graph) {
+ float w = 1 + 65536.0 / weight;
+ if(do_graph == 1 && strcmp(node1, node2) > 0)
+ printf(" %s -- %s [w = %f, weight = %f];\n", node1, node2, w, w);
+ else if(do_graph == 2)
+ printf(" %s -> %s [w = %f, weight = %f];\n", node1, node2, w, w);
+ } else {
+ printf("%s to %s at %s port %s options %x weight %d\n", from, to, host, port, options, weight);
+ }
+ } break;
+
+ case REQ_DUMP_SUBNETS: {
+ int n = sscanf(line, "%*d %*d %s %s", subnet, node);
+ if(n != 2) {
+ fprintf(stderr, "Unable to parse subnet dump from tincd.\n");
+ return 1;
+ }
+ printf("%s owner %s\n", strip_weight(subnet), node);
+ } break;
+
+ case REQ_DUMP_CONNECTIONS: {
+ int n = sscanf(line, "%*d %*d %s %s port %s %x %d %x", node, host, port, &options, &socket, &status_int);
+ if(n != 6) {
+ fprintf(stderr, "Unable to parse connection dump from tincd.\n");
+ return 1;
+ }
+ printf("%s at %s port %s options %x socket %d status %x\n", node, host, port, options, socket, status_int);
+ } break;
+
+ default:
+ fprintf(stderr, "Unable to parse dump from tincd.\n");
+ return 1;
}
}
}
static int cmd_purge(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
if(!connect_tincd(true))
return 1;
}
static int cmd_retry(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
if(!connect_tincd(true))
return 1;
}
static int cmd_top(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
#ifdef HAVE_CURSES
if(!connect_tincd(true))
return 1;
}
static int cmd_pcap(int argc, char *argv[]) {
+ if(argc > 2) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
if(!connect_tincd(true))
return 1;
}
static int cmd_log(int argc, char *argv[]) {
+ if(argc > 2) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
if(!connect_tincd(true))
return 1;
}
static int cmd_pid(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
if(!connect_tincd(true) && !pid)
return 1;
} const variables[] = {
/* Server configuration */
{"AddressFamily", VAR_SERVER},
+ {"AutoConnect", VAR_SERVER},
{"BindToAddress", VAR_SERVER | VAR_MULTIPLE},
{"BindToInterface", VAR_SERVER},
{"Broadcast", VAR_SERVER},
{"ECDSAPrivateKeyFile", VAR_SERVER},
{"ExperimentalProtocol", VAR_SERVER},
{"Forwarding", VAR_SERVER},
- {"GraphDumpFile", VAR_SERVER},
+ {"GraphDumpFile", VAR_SERVER | VAR_OBSOLETE},
{"Hostnames", VAR_SERVER},
{"IffOneQueue", VAR_SERVER},
{"Interface", VAR_SERVER},
{"ProcessPriority", VAR_SERVER},
{"Proxy", VAR_SERVER},
{"ReplayWindow", VAR_SERVER},
+ {"ScriptsExtension", VAR_SERVER},
+ {"ScriptsInterpreter", VAR_SERVER},
{"StrictSubnets", VAR_SERVER},
{"TunnelServer", VAR_SERVER},
{"UDPRcvBuf", VAR_SERVER},
char *value;
int len;
- len = strcspn(line, "\t =");
- value = line + len;
- value += strspn(value, "\t ");
- if(*value == '=') {
- value++;
- value += strspn(value, "\t ");
- }
- line[len] = '\0';
+ len = strcspn(line, "\t =");
+ value = line + len;
+ value += strspn(value, "\t ");
+ if(*value == '=') {
+ value++;
+ value += strspn(value, "\t ");
+ }
+ line[len] = '\0';
variable = strchr(line, '.');
if(variable) {
node = line;
return 1;
}
- if(argc < 2) {
+ if(argc > 2) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ } else if(argc < 2) {
if(tty) {
char buf[1024];
fprintf(stdout, "Enter the Name you want your tinc node to have: ");
}
static int cmd_generate_keys(int argc, char *argv[]) {
+ if(argc > 2) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
return !(rsa_keygen(argc > 1 ? atoi(argv[1]) : 2048, true) && ecdsa_keygen(true));
}
static int cmd_generate_rsa_keys(int argc, char *argv[]) {
+ if(argc > 2) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
return !rsa_keygen(argc > 1 ? atoi(argv[1]) : 2048, true);
}
static int cmd_generate_ecdsa_keys(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
return !ecdsa_keygen(true);
}
}
static int cmd_version(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
version();
return 0;
}
}
static int cmd_export(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
char *name = get_my_name();
if(!name)
return 1;
- return export(name, stdout);
+ int result = export(name, stdout);
+ if(!tty)
+ fclose(stdout);
+ return result;
}
static int cmd_export_all(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
DIR *dir = opendir(hosts_dir);
if(!dir) {
fprintf(stderr, "Could not open host configuration directory %s: %s\n", hosts_dir, strerror(errno));
}
closedir(dir);
+ if(!tty)
+ fclose(stdout);
return result;
}
static int cmd_import(int argc, char *argv[]) {
+ if(argc > 1) {
+ fprintf(stderr, "Too many arguments!\n");
+ return 1;
+ }
+
FILE *in = stdin;
FILE *out = NULL;
char buf[4096];
char name[4096];
- char *filename;
+ char *filename = NULL;
int count = 0;
bool firstline = true;
while(fgets(buf, sizeof buf, in)) {
if(sscanf(buf, "Name = %s", name) == 1) {
+ firstline = false;
+
if(!check_id(name)) {
fprintf(stderr, "Invalid Name in input!\n");
return 1;
}
count++;
- firstline = false;
continue;
} else if(firstline) {
fprintf(stderr, "Junk at the beginning of the input, ignoring.\n");
}
}
+static int cmd_exchange(int argc, char *argv[]) {
+ return cmd_export(argc, argv) ?: cmd_import(argc, argv);
+}
+
+static int cmd_exchange_all(int argc, char *argv[]) {
+ return cmd_export_all(argc, argv) ?: cmd_import(argc, argv);
+}
+
static const struct {
const char *command;
int (*function)(int argc, char *argv[]);
{"export", cmd_export},
{"export-all", cmd_export_all},
{"import", cmd_import},
+ {"exchange", cmd_exchange},
+ {"exchange-all", cmd_exchange_all},
{NULL, NULL},
};
}
static char *complete_dump(const char *text, int state) {
- const char *matches[] = {"nodes", "edges", "subnets", "connections", "graph", NULL};
+ const char *matches[] = {"reachable", "nodes", "edges", "subnets", "connections", "graph", NULL};
static int i;
if(!state)
char *line = NULL;
int maxargs = argc + 16;
char **nargv = xmalloc(maxargs * sizeof *nargv);
- optind = argc;
for(int i = 0; i < argc; i++)
nargv[i] = argv[i];
}
}
+ free(nargv);
+
if(tty)
printf("\n");
return result;
if(!parse_options(argc, argv))
return 1;
-
+
make_names();
+ xasprintf(&tinc_conf, "%s" SLASH "tinc.conf", confbase);
+ xasprintf(&hosts_dir, "%s" SLASH "hosts", confbase);
if(show_version) {
version();
projects / tinc / blobdiff