2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version two of the GNU General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of John Walker.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
31 * Kern Sibbald, March MM
40 /* Imported Functions */
41 extern void *handle_client_request(void *dir_sock);
43 /* Forward referenced functions */
44 void terminate_filed(int sig);
45 static bool check_resources();
47 /* Exported variables */
48 CLIENT *me; /* my resource */
49 bool no_signals = false;
53 #define CONFIG_FILE "bacula-fd.conf" /* default config file */
55 char *configfile = NULL;
56 static bool foreground = false;
57 static workq_t dir_workq; /* queue of work from Director */
58 static pthread_t server_tid;
65 "\nVersion: %s (%s)\n\n"
66 "Usage: bacula-fd [-f -s] [-c config_file] [-d debug_level]\n"
67 " -c <file> use <file> as configuration file\n"
68 " -d <nn> set debug level to <nn>\n"
69 " -dt print timestamp in debug output\n"
70 " -f run in foreground (for debugging)\n"
72 " -s no signals (for debugging)\n"
73 " -t test configuration file and exit\n"
75 " -v verbose user messages\n"
76 " -? print this message.\n"
77 "\n"), 2000, VERSION, BDATE);
82 /*********************************************************************
84 * Main Bacula Unix Client Program
87 #if defined(HAVE_WIN32)
88 #define main BaculaMain
91 int main (int argc, char *argv[])
94 bool test_config = false;
99 setlocale(LC_ALL, "");
100 bindtextdomain("bacula", LOCALEDIR);
101 textdomain("bacula");
104 my_name_is(argc, argv, "bacula-fd");
105 init_msg(NULL, NULL);
106 daemon_start_time = time(NULL);
108 while ((ch = getopt(argc, argv, "c:d:fg:stu:v?")) != -1) {
110 case 'c': /* configuration file */
111 if (configfile != NULL) {
114 configfile = bstrdup(optarg);
117 case 'd': /* debug level */
118 if (*optarg == 't') {
119 dbg_timestamp = true;
121 debug_level = atoi(optarg);
122 if (debug_level <= 0) {
128 case 'f': /* run in foreground */
132 case 'g': /* set group */
144 case 'u': /* set userid */
148 case 'v': /* verbose */
162 if (configfile != NULL)
164 configfile = bstrdup(*argv);
172 server_tid = pthread_self();
174 init_signals(terminate_filed);
176 /* This reduces the number of signals facilitating debugging */
177 watchdog_sleep_time = 120; /* long timeout for debugging */
180 if (configfile == NULL) {
181 configfile = bstrdup(CONFIG_FILE);
184 parse_config(configfile);
186 if (init_crypto() != 0) {
187 Emsg0(M_ERROR, 0, _("Cryptography library initialization failed.\n"));
191 if (!check_resources()) {
192 Emsg1(M_ERROR, 0, _("Please correct configuration file: %s\n"), configfile);
196 set_working_directory(me->working_directory);
204 init_stack_dump(); /* set new pid */
207 /* Maximum 1 daemon at a time */
208 create_pid_file(me->pid_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
209 read_state_file(me->working_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
217 init_python_interpreter(me->hdr.name, me->scripts_directory, "FDStartUp");
219 set_thread_concurrency(10);
222 start_watchdog(); /* start watchdog thread */
223 init_jcr_subsystem(); /* start JCR watchdogs etc. */
225 server_tid = pthread_self();
227 /* Become server, and handle requests */
229 foreach_dlist(p, me->FDaddrs) {
230 Dmsg1(10, "filed: listening on port %d\n", p->get_port_host_order());
232 bnet_thread_server(me->FDaddrs, me->MaxConcurrentJobs, &dir_workq, handle_client_request);
235 exit(0); /* should never get here */
238 void terminate_filed(int sig)
240 static bool already_here = false;
243 bmicrosleep(2, 0); /* yield */
244 exit(1); /* prevent loops */
249 bnet_stop_thread_server(server_tid);
250 generate_daemon_event(NULL, "Exit");
251 write_state_file(me->working_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
252 delete_pid_file(me->pid_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
254 if (configfile != NULL) {
258 if (debug_level > 0) {
259 print_memory_pool_stats();
262 free_config_resources();
264 close_memory_pool(); /* release free memory in pool */
265 sm_dump(false); /* dump orphaned buffers */
270 * Make a quick check to see that we have all the
273 static bool check_resources()
281 me = (CLIENT *)GetNextRes(R_CLIENT, NULL);
283 Emsg1(M_FATAL, 0, _("No File daemon resource defined in %s\n"
284 "Without that I don't know who I am :-(\n"), configfile);
287 if (GetNextRes(R_CLIENT, (RES *) me) != NULL) {
288 Emsg1(M_FATAL, 0, _("Only one Client resource permitted in %s\n"),
292 my_name_is(0, NULL, me->hdr.name);
294 me->messages = (MSGS *)GetNextRes(R_MSGS, NULL);
296 Emsg1(M_FATAL, 0, _("No Messages resource defined in %s\n"), configfile);
300 /* tls_require implies tls_enable */
301 if (me->tls_require) {
303 Jmsg(NULL, M_FATAL, 0, _("TLS required but not configured in Bacula.\n"));
306 me->tls_enable = true;
309 need_tls = me->tls_enable || me->tls_authenticate;
311 if ((!me->tls_ca_certfile && !me->tls_ca_certdir) && need_tls) {
312 Emsg1(M_FATAL, 0, _("Neither \"TLS CA Certificate\""
313 " or \"TLS CA Certificate Dir\" are defined for File daemon in %s.\n"),
318 /* If everything is well, attempt to initialize our per-resource TLS context */
319 if (OK && (need_tls || me->tls_require)) {
320 /* Initialize TLS context:
321 * Args: CA certfile, CA certdir, Certfile, Keyfile,
322 * Keyfile PEM Callback, Keyfile CB Userdata, DHfile, Verify Peer */
323 me->tls_ctx = new_tls_context(me->tls_ca_certfile,
324 me->tls_ca_certdir, me->tls_certfile, me->tls_keyfile,
325 NULL, NULL, NULL, true);
328 Emsg2(M_FATAL, 0, _("Failed to initialize TLS context for File daemon \"%s\" in %s.\n"),
329 me->hdr.name, configfile);
334 if (me->pki_encrypt || me->pki_sign) {
336 Jmsg(NULL, M_FATAL, 0, _("PKI encryption/signing enabled but not compiled into Bacula.\n"));
341 /* pki_encrypt implies pki_sign */
342 if (me->pki_encrypt) {
346 if ((me->pki_encrypt || me->pki_sign) && !me->pki_keypair_file) {
347 Emsg2(M_FATAL, 0, _("\"PKI Key Pair\" must be defined for File"
348 " daemon \"%s\" in %s if either \"PKI Sign\" or"
349 " \"PKI Encrypt\" are enabled.\n"), me->hdr.name, configfile);
353 /* If everything is well, attempt to initialize our public/private keys */
354 if (OK && (me->pki_encrypt || me->pki_sign)) {
356 /* Load our keypair */
357 me->pki_keypair = crypto_keypair_new();
358 if (!me->pki_keypair) {
359 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
362 if (!crypto_keypair_load_cert(me->pki_keypair, me->pki_keypair_file)) {
363 Emsg2(M_FATAL, 0, _("Failed to load public certificate for File"
364 " daemon \"%s\" in %s.\n"), me->hdr.name, configfile);
368 if (!crypto_keypair_load_key(me->pki_keypair, me->pki_keypair_file, NULL, NULL)) {
369 Emsg2(M_FATAL, 0, _("Failed to load private key for File"
370 " daemon \"%s\" in %s.\n"), me->hdr.name, configfile);
376 * Trusted Signers. We're always trusted.
378 me->pki_signers = New(alist(10, not_owned_by_alist));
379 if (me->pki_keypair) {
380 me->pki_signers->append(crypto_keypair_dup(me->pki_keypair));
383 /* If additional signing public keys have been specified, load them up */
384 if (me->pki_signing_key_files) {
385 foreach_alist(filepath, me->pki_signing_key_files) {
386 X509_KEYPAIR *keypair;
388 keypair = crypto_keypair_new();
390 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
393 if (crypto_keypair_load_cert(keypair, filepath)) {
394 me->pki_signers->append(keypair);
396 /* Attempt to load a private key, if available */
397 if (crypto_keypair_has_key(filepath)) {
398 if (!crypto_keypair_load_key(keypair, filepath, NULL, NULL)) {
399 Emsg3(M_FATAL, 0, _("Failed to load private key from file %s for File"
400 " daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
406 Emsg3(M_FATAL, 0, _("Failed to load trusted signer certificate"
407 " from file %s for File daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
415 * Crypto recipients. We're always included as a recipient.
416 * The symmetric session key will be encrypted for each of these readers.
418 me->pki_recipients = New(alist(10, not_owned_by_alist));
419 if (me->pki_keypair) {
420 me->pki_recipients->append(crypto_keypair_dup(me->pki_keypair));
424 /* If additional keys have been specified, load them up */
425 if (me->pki_master_key_files) {
426 foreach_alist(filepath, me->pki_master_key_files) {
427 X509_KEYPAIR *keypair;
429 keypair = crypto_keypair_new();
431 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
434 if (crypto_keypair_load_cert(keypair, filepath)) {
435 me->pki_recipients->append(keypair);
437 Emsg3(M_FATAL, 0, _("Failed to load master key certificate"
438 " from file %s for File daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
448 /* Verify that a director record exists */
450 director = (DIRRES *)GetNextRes(R_DIRECTOR, NULL);
453 Emsg1(M_FATAL, 0, _("No Director resource defined in %s\n"),
458 foreach_res(director, R_DIRECTOR) {
459 /* tls_require implies tls_enable */
460 if (director->tls_require) {
462 Jmsg(NULL, M_FATAL, 0, _("TLS required but not configured in Bacula.\n"));
466 director->tls_enable = true;
469 need_tls = director->tls_enable || director->tls_authenticate;
471 if (!director->tls_certfile && need_tls) {
472 Emsg2(M_FATAL, 0, _("\"TLS Certificate\" file not defined for Director \"%s\" in %s.\n"),
473 director->hdr.name, configfile);
477 if (!director->tls_keyfile && need_tls) {
478 Emsg2(M_FATAL, 0, _("\"TLS Key\" file not defined for Director \"%s\" in %s.\n"),
479 director->hdr.name, configfile);
483 if ((!director->tls_ca_certfile && !director->tls_ca_certdir) && need_tls && director->tls_verify_peer) {
484 Emsg2(M_FATAL, 0, _("Neither \"TLS CA Certificate\""
485 " or \"TLS CA Certificate Dir\" are defined for Director \"%s\" in %s."
486 " At least one CA certificate store is required"
487 " when using \"TLS Verify Peer\".\n"),
488 director->hdr.name, configfile);
492 /* If everything is well, attempt to initialize our per-resource TLS context */
493 if (OK && (need_tls || director->tls_require)) {
494 /* Initialize TLS context:
495 * Args: CA certfile, CA certdir, Certfile, Keyfile,
496 * Keyfile PEM Callback, Keyfile CB Userdata, DHfile, Verify Peer */
497 director->tls_ctx = new_tls_context(director->tls_ca_certfile,
498 director->tls_ca_certdir, director->tls_certfile,
499 director->tls_keyfile, NULL, NULL, director->tls_dhfile,
500 director->tls_verify_peer);
502 if (!director->tls_ctx) {
503 Emsg2(M_FATAL, 0, _("Failed to initialize TLS context for Director \"%s\" in %s.\n"),
504 director->hdr.name, configfile);
513 close_msg(NULL); /* close temp message handler */
514 init_msg(NULL, me->messages); /* open user specified message handler */