2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2008 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 Kern Sibbald.
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
42 #undef _POSIX_C_SOURCE
45 #include "lib/pythonlib.h"
47 /* Imported Functions */
48 extern PyObject *job_getattr(PyObject *self, char *attrname);
49 extern int job_setattr(PyObject *self, char *attrname, PyObject *value);
51 #endif /* HAVE_PYTHON */
53 /* Imported Functions */
54 extern void *handle_client_request(void *dir_sock);
55 extern bool parse_fd_config(CONFIG *config, const char *configfile, int exit_code);
57 /* Forward referenced functions */
58 void terminate_filed(int sig);
59 static bool check_resources();
61 /* Exported variables */
62 CLIENT *me; /* my resource */
63 bool no_signals = false;
66 #define CONFIG_FILE "bacula-fd.conf" /* default config file */
68 char *configfile = NULL;
69 static bool foreground = false;
70 static workq_t dir_workq; /* queue of work from Director */
71 static pthread_t server_tid;
72 static CONFIG *config;
78 "\nVersion: %s (%s)\n\n"
79 "Usage: bacula-fd [-f -s] [-c config_file] [-d debug_level]\n"
80 " -c <file> use <file> as configuration file\n"
81 " -d <nn> set debug level to <nn>\n"
82 " -dt print a timestamp in debug output\n"
83 " -f run in foreground (for debugging)\n"
85 " -k keep readall capabilities\n"
86 " -s no signals (for debugging)\n"
87 " -t test configuration file and exit\n"
89 " -v verbose user messages\n"
90 " -? print this message.\n"
91 "\n"), 2000, VERSION, BDATE);
96 /*********************************************************************
98 * Main Bacula Unix Client Program
101 #if defined(HAVE_WIN32)
102 #define main BaculaMain
105 int main (int argc, char *argv[])
108 bool test_config = false;
109 bool keep_readall_caps = false;
113 init_python_interpreter_args python_args;
114 #endif /* HAVE_PYTHON */
116 start_heap = sbrk(0);
117 setlocale(LC_ALL, "");
118 bindtextdomain("bacula", LOCALEDIR);
119 textdomain("bacula");
122 my_name_is(argc, argv, "bacula-fd");
123 init_msg(NULL, NULL);
124 daemon_start_time = time(NULL);
126 while ((ch = getopt(argc, argv, "c:d:fg:kstu:v?")) != -1) {
128 case 'c': /* configuration file */
129 if (configfile != NULL) {
132 configfile = bstrdup(optarg);
135 case 'd': /* debug level */
136 if (*optarg == 't') {
137 dbg_timestamp = true;
139 debug_level = atoi(optarg);
140 if (debug_level <= 0) {
146 case 'f': /* run in foreground */
150 case 'g': /* set group */
155 keep_readall_caps = true;
166 case 'u': /* set userid */
170 case 'v': /* verbose */
184 if (configfile != NULL)
186 configfile = bstrdup(*argv);
194 if (!uid && keep_readall_caps) {
195 Emsg0(M_ERROR_TERM, 0, _("-k option has no meaning without -u option.\n"));
198 server_tid = pthread_self();
200 init_signals(terminate_filed);
202 /* This reduces the number of signals facilitating debugging */
203 watchdog_sleep_time = 120; /* long timeout for debugging */
206 if (configfile == NULL) {
207 configfile = bstrdup(CONFIG_FILE);
210 config = new_config_parser();
211 parse_fd_config(config, configfile, M_ERROR_TERM);
213 if (init_crypto() != 0) {
214 Emsg0(M_ERROR, 0, _("Cryptography library initialization failed.\n"));
218 if (!check_resources()) {
219 Emsg1(M_ERROR, 0, _("Please correct configuration file: %s\n"), configfile);
223 set_working_directory(me->working_directory);
231 init_stack_dump(); /* set new pid */
234 set_thread_concurrency(me->MaxConcurrentJobs + 10);
235 lmgr_init_thread(); /* initialize the lockmanager stack */
237 /* Maximum 1 daemon at a time */
238 create_pid_file(me->pid_directory, "bacula-fd",
239 get_first_port_host_order(me->FDaddrs));
240 read_state_file(me->working_directory, "bacula-fd",
241 get_first_port_host_order(me->FDaddrs));
243 load_fd_plugins(me->plugin_directory);
245 drop(uid, gid, keep_readall_caps);
252 python_args.progname = me->hdr.name;
253 python_args.scriptdir = me->scripts_directory;
254 python_args.modulename = "FDStartUp";
255 python_args.configfile = configfile;
256 python_args.workingdir = me->working_directory;
257 python_args.job_getattr = job_getattr;
258 python_args.job_setattr = job_setattr;
260 init_python_interpreter(&python_args);
261 #endif /* HAVE_PYTHON */
264 start_watchdog(); /* start watchdog thread */
265 init_jcr_subsystem(); /* start JCR watchdogs etc. */
267 server_tid = pthread_self();
269 /* Become server, and handle requests */
271 foreach_dlist(p, me->FDaddrs) {
272 Dmsg1(10, "filed: listening on port %d\n", p->get_port_host_order());
274 bnet_thread_server(me->FDaddrs, me->MaxConcurrentJobs, &dir_workq, handle_client_request);
277 exit(0); /* should never get here */
280 void terminate_filed(int sig)
282 static bool already_here = false;
285 bmicrosleep(2, 0); /* yield */
286 exit(1); /* prevent loops */
289 debug_level = 0; /* turn off debug */
292 bnet_stop_thread_server(server_tid);
293 generate_daemon_event(NULL, "Exit");
295 write_state_file(me->working_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
296 delete_pid_file(me->pid_directory, "bacula-fd", get_first_port_host_order(me->FDaddrs));
298 if (configfile != NULL) {
302 if (debug_level > 0) {
303 print_memory_pool_stats();
306 config->free_resources();
312 close_memory_pool(); /* release free memory in pool */
314 sm_dump(false); /* dump orphaned buffers */
319 * Make a quick check to see that we have all the
322 static bool check_resources()
330 me = (CLIENT *)GetNextRes(R_CLIENT, NULL);
332 Emsg1(M_FATAL, 0, _("No File daemon resource defined in %s\n"
333 "Without that I don't know who I am :-(\n"), configfile);
336 if (GetNextRes(R_CLIENT, (RES *) me) != NULL) {
337 Emsg1(M_FATAL, 0, _("Only one Client resource permitted in %s\n"),
341 my_name_is(0, NULL, me->hdr.name);
343 me->messages = (MSGS *)GetNextRes(R_MSGS, NULL);
345 Emsg1(M_FATAL, 0, _("No Messages resource defined in %s\n"), configfile);
349 /* tls_require implies tls_enable */
350 if (me->tls_require) {
352 Jmsg(NULL, M_FATAL, 0, _("TLS required but not configured in Bacula.\n"));
355 me->tls_enable = true;
358 need_tls = me->tls_enable || me->tls_authenticate;
360 if ((!me->tls_ca_certfile && !me->tls_ca_certdir) && need_tls) {
361 Emsg1(M_FATAL, 0, _("Neither \"TLS CA Certificate\""
362 " or \"TLS CA Certificate Dir\" are defined for File daemon in %s.\n"),
367 /* If everything is well, attempt to initialize our per-resource TLS context */
368 if (OK && (need_tls || me->tls_require)) {
369 /* Initialize TLS context:
370 * Args: CA certfile, CA certdir, Certfile, Keyfile,
371 * Keyfile PEM Callback, Keyfile CB Userdata, DHfile, Verify Peer */
372 me->tls_ctx = new_tls_context(me->tls_ca_certfile,
373 me->tls_ca_certdir, me->tls_certfile, me->tls_keyfile,
374 NULL, NULL, NULL, true);
377 Emsg2(M_FATAL, 0, _("Failed to initialize TLS context for File daemon \"%s\" in %s.\n"),
378 me->hdr.name, configfile);
383 if (me->pki_encrypt || me->pki_sign) {
385 Jmsg(NULL, M_FATAL, 0, _("PKI encryption/signing enabled but not compiled into Bacula.\n"));
390 /* pki_encrypt implies pki_sign */
391 if (me->pki_encrypt) {
395 if ((me->pki_encrypt || me->pki_sign) && !me->pki_keypair_file) {
396 Emsg2(M_FATAL, 0, _("\"PKI Key Pair\" must be defined for File"
397 " daemon \"%s\" in %s if either \"PKI Sign\" or"
398 " \"PKI Encrypt\" are enabled.\n"), me->hdr.name, configfile);
402 /* If everything is well, attempt to initialize our public/private keys */
403 if (OK && (me->pki_encrypt || me->pki_sign)) {
405 /* Load our keypair */
406 me->pki_keypair = crypto_keypair_new();
407 if (!me->pki_keypair) {
408 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
411 if (!crypto_keypair_load_cert(me->pki_keypair, me->pki_keypair_file)) {
412 Emsg2(M_FATAL, 0, _("Failed to load public certificate for File"
413 " daemon \"%s\" in %s.\n"), me->hdr.name, configfile);
417 if (!crypto_keypair_load_key(me->pki_keypair, me->pki_keypair_file, NULL, NULL)) {
418 Emsg2(M_FATAL, 0, _("Failed to load private key for File"
419 " daemon \"%s\" in %s.\n"), me->hdr.name, configfile);
425 * Trusted Signers. We're always trusted.
427 me->pki_signers = New(alist(10, not_owned_by_alist));
428 if (me->pki_keypair) {
429 me->pki_signers->append(crypto_keypair_dup(me->pki_keypair));
432 /* If additional signing public keys have been specified, load them up */
433 if (me->pki_signing_key_files) {
434 foreach_alist(filepath, me->pki_signing_key_files) {
435 X509_KEYPAIR *keypair;
437 keypair = crypto_keypair_new();
439 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
442 if (crypto_keypair_load_cert(keypair, filepath)) {
443 me->pki_signers->append(keypair);
445 /* Attempt to load a private key, if available */
446 if (crypto_keypair_has_key(filepath)) {
447 if (!crypto_keypair_load_key(keypair, filepath, NULL, NULL)) {
448 Emsg3(M_FATAL, 0, _("Failed to load private key from file %s for File"
449 " daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
455 Emsg3(M_FATAL, 0, _("Failed to load trusted signer certificate"
456 " from file %s for File daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
464 * Crypto recipients. We're always included as a recipient.
465 * The symmetric session key will be encrypted for each of these readers.
467 me->pki_recipients = New(alist(10, not_owned_by_alist));
468 if (me->pki_keypair) {
469 me->pki_recipients->append(crypto_keypair_dup(me->pki_keypair));
473 /* If additional keys have been specified, load them up */
474 if (me->pki_master_key_files) {
475 foreach_alist(filepath, me->pki_master_key_files) {
476 X509_KEYPAIR *keypair;
478 keypair = crypto_keypair_new();
480 Emsg0(M_FATAL, 0, _("Failed to allocate a new keypair object.\n"));
483 if (crypto_keypair_load_cert(keypair, filepath)) {
484 me->pki_recipients->append(keypair);
486 Emsg3(M_FATAL, 0, _("Failed to load master key certificate"
487 " from file %s for File daemon \"%s\" in %s.\n"), filepath, me->hdr.name, configfile);
497 /* Verify that a director record exists */
499 director = (DIRRES *)GetNextRes(R_DIRECTOR, NULL);
502 Emsg1(M_FATAL, 0, _("No Director resource defined in %s\n"),
507 foreach_res(director, R_DIRECTOR) {
508 /* tls_require implies tls_enable */
509 if (director->tls_require) {
511 Jmsg(NULL, M_FATAL, 0, _("TLS required but not configured in Bacula.\n"));
515 director->tls_enable = true;
518 need_tls = director->tls_enable || director->tls_authenticate;
520 if (!director->tls_certfile && need_tls) {
521 Emsg2(M_FATAL, 0, _("\"TLS Certificate\" file not defined for Director \"%s\" in %s.\n"),
522 director->hdr.name, configfile);
526 if (!director->tls_keyfile && need_tls) {
527 Emsg2(M_FATAL, 0, _("\"TLS Key\" file not defined for Director \"%s\" in %s.\n"),
528 director->hdr.name, configfile);
532 if ((!director->tls_ca_certfile && !director->tls_ca_certdir) && need_tls && director->tls_verify_peer) {
533 Emsg2(M_FATAL, 0, _("Neither \"TLS CA Certificate\""
534 " or \"TLS CA Certificate Dir\" are defined for Director \"%s\" in %s."
535 " At least one CA certificate store is required"
536 " when using \"TLS Verify Peer\".\n"),
537 director->hdr.name, configfile);
541 /* If everything is well, attempt to initialize our per-resource TLS context */
542 if (OK && (need_tls || director->tls_require)) {
543 /* Initialize TLS context:
544 * Args: CA certfile, CA certdir, Certfile, Keyfile,
545 * Keyfile PEM Callback, Keyfile CB Userdata, DHfile, Verify Peer */
546 director->tls_ctx = new_tls_context(director->tls_ca_certfile,
547 director->tls_ca_certdir, director->tls_certfile,
548 director->tls_keyfile, NULL, NULL, director->tls_dhfile,
549 director->tls_verify_peer);
551 if (!director->tls_ctx) {
552 Emsg2(M_FATAL, 0, _("Failed to initialize TLS context for Director \"%s\" in %s.\n"),
553 director->hdr.name, configfile);
562 close_msg(NULL); /* close temp message handler */
563 init_msg(NULL, me->messages); /* open user specified message handler */