--- /dev/null
+/*
+ tincd.c -- the main file for tincd
+ Copyright (C) 1998-2002 Ivo Timmermans <ivo@o2w.nl>
+ 2000-2002 Guus Sliepen <guus@sliepen.warande.net>
+
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ $Id: pokey.c,v 1.1 2002/04/11 14:23:56 zarq Exp $
+*/
+
+#include "config.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <signal.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <syslog.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <termios.h>
+
+#ifdef HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
+#endif
+
+#include <openssl/rand.h>
+#include <openssl/rsa.h>
+#include <openssl/pem.h>
+#include <openssl/evp.h>
+
+#include <gtk/gtk.h>
+#include <glade/glade.h>
+
+#include <utils.h>
+#include <xalloc.h>
+
+#include "conf.h"
+#include "interface.h"
+#include "net.h"
+#include "netutl.h"
+#include "process.h"
+#include "protocol.h"
+#include "subnet.h"
+
+#include "system.h"
+
+/* The name this program was run with. */
+char *program_name;
+
+/* If nonzero, display usage information and exit. */
+int show_help;
+
+/* If nonzero, print the version on standard output and exit. */
+int show_version;
+
+/* If nonzero, it will attempt to kill a running tincd and exit. */
+int kill_tincd = 0;
+
+/* If nonzero, generate public/private keypair for this host/net. */
+int generate_keys = 0;
+
+/* If nonzero, use null ciphers and skip all key exchanges. */
+int bypass_security = 0;
+
+char *identname; /* program name for syslog */
+char *pidfilename; /* pid file location */
+char **g_argv; /* a copy of the cmdline arguments */
+char **environment; /* A pointer to the environment on startup */
+
+/* GTK Interface */
+GladeXML *xml = NULL;
+
+
+static struct option const long_options[] =
+{
+ { "config", required_argument, NULL, 'c' },
+ { "kill", optional_argument, NULL, 'k' },
+ { "net", required_argument, NULL, 'n' },
+ { "help", no_argument, &show_help, 1 },
+ { "version", no_argument, &show_version, 1 },
+ { "no-detach", no_argument, &do_detach, 0 },
+ { "generate-keys", optional_argument, NULL, 'K'},
+ { "debug", optional_argument, NULL, 'd'},
+ { "bypass-security", no_argument, &bypass_security, 1 },
+ { NULL, 0, NULL, 0 }
+};
+
+static void
+usage(int status)
+{
+ if(status != 0)
+ fprintf(stderr, _("Try `%s --help\' for more information.\n"), program_name);
+ else
+ {
+ printf(_("Usage: %s [option]...\n\n"), program_name);
+ printf(_(" -c, --config=DIR Read configuration options from DIR.\n"
+ " -D, --no-detach Don't fork and detach.\n"
+ " -d, --debug[=LEVEL] Increase debug level or set it to LEVEL.\n"
+ " -k, --kill[=SIGNAL] Attempt to kill a running tincd and exit.\n"
+ " -n, --net=NETNAME Connect to net NETNAME.\n"));
+ printf(_(" -K, --generate-keys[=BITS] Generate public/private RSA keypair.\n"
+ " --help Display this help and exit.\n"
+ " --version Output version information and exit.\n\n"));
+ printf(_("Report bugs to tinc@nl.linux.org.\n"));
+ }
+ exit(status);
+}
+
+void
+parse_options(int argc, char **argv, char **envp)
+{
+ int r;
+ int option_index = 0;
+
+ while((r = getopt_long(argc, argv, "c:Dd::k::n:K::", long_options, &option_index)) != EOF)
+ {
+ switch(r)
+ {
+ case 0: /* long option */
+ break;
+ case 'c': /* config file */
+ confbase = xmalloc(strlen(optarg)+1);
+ strcpy(confbase, optarg);
+ break;
+ case 'D': /* no detach */
+ do_detach = 0;
+ break;
+ case 'd': /* inc debug level */
+ if(optarg)
+ debug_lvl = atoi(optarg);
+ else
+ debug_lvl++;
+ break;
+ case 'k': /* kill old tincds */
+ kill_tincd = optarg?atoi(optarg):SIGTERM;
+ break;
+ case 'n': /* net name given */
+ netname = xmalloc(strlen(optarg)+1);
+ strcpy(netname, optarg);
+ break;
+ case 'K': /* generate public/private keypair */
+ if(optarg)
+ {
+ generate_keys = atoi(optarg);
+ if(generate_keys < 512)
+ {
+ fprintf(stderr, _("Invalid argument `%s'; BITS must be a number equal to or greater than 512.\n"),
+ optarg);
+ usage(1);
+ }
+ generate_keys &= ~7; /* Round it to bytes */
+ }
+ else
+ generate_keys = 1024;
+ break;
+ case '?':
+ usage(1);
+ default:
+ break;
+ }
+ }
+}
+
+/* This function prettyprints the key generation process */
+
+void indicator(int a, int b, void *p)
+{
+ switch(a)
+ {
+ case 0:
+ fprintf(stderr, ".");
+ break;
+ case 1:
+ fprintf(stderr, "+");
+ break;
+ case 2:
+ fprintf(stderr, "-");
+ break;
+ case 3:
+ switch(b)
+ {
+ case 0:
+ fprintf(stderr, " p\n");
+ break;
+ case 1:
+ fprintf(stderr, " q\n");
+ break;
+ default:
+ fprintf(stderr, "?");
+ }
+ break;
+ default:
+ fprintf(stderr, "?");
+ }
+}
+
+/*
+ Generate a public/private RSA keypair, and ask for a file to store
+ them in.
+*/
+int keygen(int bits)
+{
+ RSA *rsa_key;
+ FILE *f;
+ char *name = NULL;
+ char *filename;
+
+ fprintf(stderr, _("Generating %d bits keys:\n"), bits);
+ rsa_key = RSA_generate_key(bits, 0xFFFF, indicator, NULL);
+
+ if(!rsa_key)
+ {
+ fprintf(stderr, _("Error during key generation!\n"));
+ return -1;
+ }
+ else
+ fprintf(stderr, _("Done.\n"));
+
+ get_config_string(lookup_config(config_tree, "Name"), &name);
+
+ if(name)
+ asprintf(&filename, "%s/hosts/%s", confbase, name);
+ else
+ asprintf(&filename, "%s/rsa_key.pub", confbase);
+
+ if((f = ask_and_safe_open(filename, _("public RSA key"), "a")) == NULL)
+ return -1;
+
+ if(ftell(f))
+ fprintf(stderr, _("Appending key to existing contents.\nMake sure only one key is stored in the file.\n"));
+
+ PEM_write_RSAPublicKey(f, rsa_key);
+ fclose(f);
+ free(filename);
+
+ asprintf(&filename, "%s/rsa_key.priv", confbase);
+ if((f = ask_and_safe_open(filename, _("private RSA key"), "a")) == NULL)
+ return -1;
+
+ if(ftell(f))
+ fprintf(stderr, _("Appending key to existing contents.\nMake sure only one key is stored in the file.\n"));
+
+ PEM_write_RSAPrivateKey(f, rsa_key, NULL, NULL, 0, NULL, NULL);
+ fclose(f);
+ free(filename);
+
+ return 0;
+}
+
+/*
+ Set all files and paths according to netname
+*/
+void make_names(void)
+{
+ if(netname)
+ {
+ if(!pidfilename)
+ asprintf(&pidfilename, LOCALSTATEDIR "/run/tinc.%s.pid", netname);
+ if(!confbase)
+ asprintf(&confbase, "%s/tinc/%s", CONFDIR, netname);
+ else
+ log_message(LOG_INFO, _("Both netname and configuration directory given, using the latter..."));
+ if(!identname)
+ asprintf(&identname, "tinc.%s", netname);
+ }
+ else
+ {
+ if(!pidfilename)
+ pidfilename = LOCALSTATEDIR "/run/tinc.pid";
+ if(!confbase)
+ asprintf(&confbase, "%s/tinc", CONFDIR);
+ if(!identname)
+ identname = "tinc";
+ }
+}
+
+int
+main(int argc, char **argv, char **envp)
+{
+ char *fake_argv[] = { argv[0], NULL };
+ program_name = argv[0];
+
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
+ environment = envp;
+ parse_options(argc, argv, envp);
+
+ if(show_version)
+ {
+ printf(_("%s version %s (built %s %s, protocol %d)\n"), PACKAGE, VERSION, __DATE__, __TIME__, PROT_CURRENT);
+ printf(_("Copyright (C) 1998-2002 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;
+ }
+
+ if(show_help)
+ usage(0);
+
+ gnome_init("Pokey", "0.0", 1, fake_argv);
+
+ glade_init();
+
+ xml = glade_xml_new("pokey.glade", NULL);
+
+ if (!xml) {
+ g_warning("something bad happened while creating the interface");
+ return 1;
+ }
+
+/* if(geteuid()) */
+/* { */
+/* fprintf(stderr, _("You must be root to run this program.\n")); */
+/* return 1; */
+/* } */
+
+ g_argv = argv;
+
+ make_names();
+ init_configuration(&config_tree);
+
+ /* Slllluuuuuuurrrrp! */
+cp
+ RAND_load_file("/dev/urandom", 1024);
+
+#ifdef HAVE_SSLEAY_ADD_ALL_ALGORITHMS
+ SSLeay_add_all_algorithms();
+#else
+ OpenSSL_add_all_algorithms();
+#endif
+
+cp
+ if(read_server_config())
+ exit(1);
+cp
+ setup_signals();
+
+ if(init_interface())
+ {
+ fprintf(stderr, _("Could not setup all necessary interface elements.\n"));
+ exit(1);
+ }
+
+ if(!setup_network_connections())
+ {
+ main_loop();
+ cleanup_and_exit(1);
+ }
+
+ log_message(LOG_ERR, _("Unrecoverable error"));
+ cp_trace();
+
+ return 1;
+}