2 Bacula® - The Network Backup Solution
4 Copyright (C) 2007-2010 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 three of the GNU Affero General Public
10 License as published by the Free Software Foundation, which is
11 listed in the file LICENSE.
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 Affero 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.
29 * Main program to test loading and running Bacula plugins.
30 * Destined to become Bacula pluginloader, ...
32 * Kern Sibbald, October 2007
38 extern DLL_IMP_EXP char *exepath;
40 const int dbglvl = 150;
42 const char *plugin_type = "-fd.dll";
44 const char *plugin_type = "-fd.so";
47 extern int save_file(JCR *jcr, FF_PKT *ff_pkt, bool top_level);
48 extern bool check_changes(JCR *jcr, FF_PKT *ff_pkt);
50 /* Function pointers to be set here */
51 extern DLL_IMP_EXP int (*plugin_bopen)(BFILE *bfd, const char *fname, int flags, mode_t mode);
52 extern DLL_IMP_EXP int (*plugin_bclose)(BFILE *bfd);
53 extern DLL_IMP_EXP ssize_t (*plugin_bread)(BFILE *bfd, void *buf, size_t count);
54 extern DLL_IMP_EXP ssize_t (*plugin_bwrite)(BFILE *bfd, void *buf, size_t count);
55 extern DLL_IMP_EXP boffset_t (*plugin_blseek)(BFILE *bfd, boffset_t offset, int whence);
58 /* Forward referenced functions */
59 static bRC baculaGetValue(bpContext *ctx, bVariable var, void *value);
60 static bRC baculaSetValue(bpContext *ctx, bVariable var, void *value);
61 static bRC baculaRegisterEvents(bpContext *ctx, ...);
62 static bRC baculaJobMsg(bpContext *ctx, const char *file, int line,
63 int type, utime_t mtime, const char *fmt, ...);
64 static bRC baculaDebugMsg(bpContext *ctx, const char *file, int line,
65 int level, const char *fmt, ...);
66 static void *baculaMalloc(bpContext *ctx, const char *file, int line,
68 static void baculaFree(bpContext *ctx, const char *file, int line, void *mem);
69 static bRC baculaAddExclude(bpContext *ctx, const char *file);
70 static bRC baculaAddInclude(bpContext *ctx, const char *file);
71 static bRC baculaAddOptions(bpContext *ctx, const char *opts);
72 static bRC baculaAddRegex(bpContext *ctx, const char *item, int type);
73 static bRC baculaAddWild(bpContext *ctx, const char *item, int type);
74 static bRC baculaNewOptions(bpContext *ctx);
75 static bRC baculaNewInclude(bpContext *ctx);
76 static bool is_plugin_compatible(Plugin *plugin);
77 static bool get_plugin_name(JCR *jcr, char *cmd, int *ret);
78 static bRC baculaCheckChanges(bpContext *ctx, struct save_pkt *sp);
81 * These will be plugged into the global pointer structure for
84 static int my_plugin_bopen(BFILE *bfd, const char *fname, int flags, mode_t mode);
85 static int my_plugin_bclose(BFILE *bfd);
86 static ssize_t my_plugin_bread(BFILE *bfd, void *buf, size_t count);
87 static ssize_t my_plugin_bwrite(BFILE *bfd, void *buf, size_t count);
88 static boffset_t my_plugin_blseek(BFILE *bfd, boffset_t offset, int whence);
92 static bInfo binfo = {
94 FD_PLUGIN_INTERFACE_VERSION
97 /* Bacula entry points */
98 static bFuncs bfuncs = {
100 FD_PLUGIN_INTERFACE_VERSION,
101 baculaRegisterEvents,
119 * Bacula private context
122 JCR *jcr; /* jcr for plugin */
123 bRC rc; /* last return code */
124 bool disabled; /* set if plugin disabled */
125 findINCEXE *exclude; /* pointer to exclude files */
126 findINCEXE *include; /* pointer to include/exclude files */
129 static bool is_plugin_disabled(bpContext *plugin_ctx)
135 b_ctx = (bacula_ctx *)plugin_ctx->bContext;
136 return b_ctx->disabled;
139 static bool is_plugin_disabled(JCR *jcr)
141 return is_plugin_disabled(jcr->plugin_ctx);
145 * Create a plugin event
146 * When receiving bEventCancelCommand, this function is called by an other thread.
148 void generate_plugin_event(JCR *jcr, bEventType eventType, void *value)
150 bpContext *plugin_ctx;
156 bool call_if_canceled = false;
159 if (!plugin_list || !jcr || !jcr->plugin_ctx_list) {
160 return; /* Return if no plugins loaded */
164 * Some events are sent to only a particular plugin or must be
165 * called even if the job is canceled
168 case bEventPluginCommand:
169 name = (char *)value;
170 if (!get_plugin_name(jcr, name, &len)) {
174 case bEventEndBackupJob:
175 case bEventEndVerifyJob:
176 call_if_canceled = true;
178 case bEventEndRestoreJob:
179 call_if_canceled = true;
180 if (jcr->plugin && jcr->plugin->restoreFileStarted) {
181 plug_func(jcr->plugin)->endRestoreFile(jcr->plugin_ctx);
182 jcr->plugin->restoreFileStarted = false;
189 if (!call_if_canceled && jcr->is_job_canceled()) {
193 bpContext *plugin_ctx_list = (bpContext *)jcr->plugin_ctx_list;
194 event.eventType = eventType;
196 Dmsg2(dbglvl, "plugin_ctx=%p JobId=%d\n", jcr->plugin_ctx_list, jcr->JobId);
198 /* Pass event to every plugin (except if name is set) */
199 foreach_alist(plugin, plugin_list) {
200 if (name && strncmp(plugin->file, name, len) != 0) {
204 plugin_ctx = &plugin_ctx_list[i++];
205 if (is_plugin_disabled(plugin_ctx)) {
208 rc = plug_func(plugin)->handlePluginEvent(plugin_ctx, &event, value);
217 * Check if file was seen for accurate
219 bool plugin_check_file(JCR *jcr, char *fname)
225 if (!plugin_list || !jcr || !jcr->plugin_ctx_list || jcr->is_job_canceled()) {
226 return false; /* Return if no plugins loaded */
229 bpContext *plugin_ctx_list = (bpContext *)jcr->plugin_ctx_list;
231 Dmsg2(dbglvl, "plugin_ctx=%p JobId=%d\n", jcr->plugin_ctx_list, jcr->JobId);
233 /* Pass event to every plugin */
234 foreach_alist(plugin, plugin_list) {
235 jcr->plugin_ctx = &plugin_ctx_list[i++];
236 jcr->plugin = plugin;
237 if (is_plugin_disabled(jcr)) {
240 if (plug_func(plugin)->checkFile == NULL) {
243 rc = plug_func(plugin)->checkFile(jcr->plugin_ctx, fname);
244 if (rc == bRC_Seen) {
250 jcr->plugin_ctx = NULL;
251 return rc == bRC_Seen;
254 /* Get the first part of the the plugin command
255 * systemstate:/@SYSTEMSTATE/
257 * => can use strncmp(plugin_name, cmd, ret);
259 * The plugin command can contain only the plugin name
263 static bool get_plugin_name(JCR *jcr, char *cmd, int *ret)
267 if (!cmd || (*cmd == '\0')) {
270 /* Handle plugin command here backup */
271 Dmsg1(dbglvl, "plugin cmd=%s\n", cmd);
272 if ((p = strchr(cmd, ':')) == NULL) {
273 if (strchr(cmd, ' ') == NULL) { /* we have just the plugin name */
276 Jmsg1(jcr, M_ERROR, 0, "Malformed plugin command: %s\n", cmd);
279 } else { /* plugin:argument */
290 * Sequence of calls for a backup:
291 * 1. plugin_save() here is called with ff_pkt
292 * 2. we find the plugin requested on the command string
293 * 3. we generate a bEventBackupCommand event to the specified plugin
294 * and pass it the command string.
295 * 4. we make a startPluginBackup call to the plugin, which gives
296 * us the data we need in save_pkt
297 * 5. we call Bacula's save_file() subroutine to save the specified
298 * file. The plugin will be called at pluginIO() to supply the
301 * Sequence of calls for restore:
302 * See subroutine plugin_name_stream() below.
304 int plugin_save(JCR *jcr, FF_PKT *ff_pkt, bool top_level)
309 char *cmd = ff_pkt->top_fname;
312 POOL_MEM fname(PM_FNAME);
313 POOL_MEM link(PM_FNAME);
315 if (!plugin_list || !jcr->plugin_ctx_list || jcr->is_job_canceled()) {
316 Jmsg1(jcr, M_FATAL, 0, "Command plugin \"%s\" requested, but is not loaded.\n", cmd);
317 return 1; /* Return if no plugins loaded */
320 jcr->cmd_plugin = true;
321 bpContext *plugin_ctx_list = (bpContext *)jcr->plugin_ctx_list;
322 event.eventType = bEventBackupCommand;
324 if (!get_plugin_name(jcr, cmd, &len)) {
328 /* Note, we stop the loop on the first plugin that matches the name */
329 foreach_alist(plugin, plugin_list) {
330 Dmsg3(dbglvl, "plugin=%s cmd=%s len=%d\n", plugin->file, cmd, len);
331 if (strncmp(plugin->file, cmd, len) != 0) {
336 * We put the current plugin pointer, and the plugin context
337 * into the jcr, because during save_file(), the plugin
338 * will be called many times and these values are needed.
340 jcr->plugin_ctx = &plugin_ctx_list[i];
341 jcr->plugin = plugin;
342 if (is_plugin_disabled(jcr)) {
346 Dmsg1(dbglvl, "Command plugin = %s\n", cmd);
347 /* Send the backup command to the right plugin*/
348 if (plug_func(plugin)->handlePluginEvent(jcr->plugin_ctx, &event, cmd) != bRC_OK) {
351 /* Loop getting filenames to backup then saving them */
352 while (!jcr->is_job_canceled()) {
353 memset(&sp, 0, sizeof(sp));
354 sp.pkt_size = sizeof(sp);
355 sp.pkt_end = sizeof(sp);
359 Dmsg3(dbglvl, "startBackup st_size=%p st_blocks=%p sp=%p\n", &sp.statp.st_size, &sp.statp.st_blocks,
361 /* Get the file save parameters. I.e. the stat pkt ... */
362 if (plug_func(plugin)->startBackupFile(jcr->plugin_ctx, &sp) != bRC_OK) {
366 Jmsg1(jcr, M_FATAL, 0, _("Command plugin \"%s\": no type in startBackupFile packet.\n"),
370 jcr->plugin_sp = &sp;
373 * Copy fname and link because save_file() zaps them. This
374 * avoids zaping the plugin's strings.
376 ff_pkt->type = sp.type;
377 if (sp.type == FT_RESTORE_FIRST) {
378 if (!sp.object_name) {
379 Jmsg1(jcr, M_FATAL, 0, _("Command plugin \"%s\": no object_name in startBackupFile packet.\n"),
383 ff_pkt->fname = cmd; /* full plugin string */
384 ff_pkt->object_name = sp.object_name;
385 ff_pkt->object_index = sp.index; /* restore object index */
386 ff_pkt->object_compression = 0; /* no compression for now */
387 ff_pkt->object = sp.object;
388 ff_pkt->object_len = sp.object_len;
391 Jmsg1(jcr, M_FATAL, 0, _("Command plugin \"%s\": no fname in startBackupFile packet.\n"),
395 pm_strcpy(fname, sp.fname);
396 pm_strcpy(link, sp.link);
397 ff_pkt->fname = fname.c_str();
398 ff_pkt->link = link.c_str();
399 if (sp.flags & FO_DELTA) {
400 ff_pkt->flags |= FO_DELTA;
401 ff_pkt->delta_seq++; /* make new delta sequence number */
403 ff_pkt->flags &= ~FO_DELTA;
407 memcpy(&ff_pkt->statp, &sp.statp, sizeof(ff_pkt->statp));
408 Dmsg2(dbglvl, "startBackup returned type=%d, fname=%s\n", sp.type, sp.fname);
410 Dmsg2(dbglvl, "index=%d object=%s\n", sp.index, sp.object);
412 /* Call Bacula core code to backup the plugin's file */
413 save_file(jcr, ff_pkt, true);
414 bRC rc = plug_func(plugin)->endBackupFile(jcr->plugin_ctx);
415 if (rc == bRC_More || rc == bRC_OK) {
416 accurate_mark_file_as_seen(jcr, fname.c_str());
418 if (rc == bRC_More) {
422 } /* end while loop */
424 } /* end loop over all plugins */
425 Jmsg1(jcr, M_FATAL, 0, "Command plugin \"%s\" not found.\n", cmd);
428 jcr->cmd_plugin = false;
430 jcr->plugin_ctx = NULL;
435 * Send plugin name start/end record to SD
437 bool send_plugin_name(JCR *jcr, BSOCK *sd, bool start)
440 int index = jcr->JobFiles;
441 struct save_pkt *sp = (struct save_pkt *)jcr->plugin_sp;
444 Jmsg0(jcr, M_FATAL, 0, _("Plugin save packet not found.\n"));
447 if (jcr->is_job_canceled()) {
452 index++; /* JobFiles not incremented yet */
454 Dmsg1(dbglvl, "send_plugin_name=%s\n", sp->cmd);
455 /* Send stream header */
456 if (!sd->fsend("%ld %d 0", index, STREAM_PLUGIN_NAME)) {
457 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
461 Dmsg1(50, "send plugin name hdr: %s\n", sd->msg);
464 /* Send data -- not much */
465 stat = sd->fsend("%ld 1 %d %s%c", index, sp->portable, sp->cmd, 0);
467 /* Send end of data */
468 stat = sd->fsend("0 0");
471 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
475 Dmsg1(dbglvl, "send plugin start/end: %s\n", sd->msg);
476 sd->signal(BNET_EOD); /* indicate end of plugin name data */
481 * Plugin name stream found during restore. The record passed in
482 * argument name was generated in send_plugin_name() above.
484 * Returns: true if start of stream
485 * false if end of steam
487 bool plugin_name_stream(JCR *jcr, char *name)
491 bool start, portable;
495 bpContext *plugin_ctx_list = jcr->plugin_ctx_list;
497 Dmsg1(dbglvl, "Read plugin stream string=%s\n", name);
498 skip_nonspaces(&p); /* skip over jcr->JobFiles */
502 /* Start of plugin data */
503 skip_nonspaces(&p); /* skip start/end flag */
505 portable = *p == '1';
506 skip_nonspaces(&p); /* skip portable flag */
511 * End of plugin data, notify plugin, then clear flags
513 Dmsg2(dbglvl, "End plugin data plugin=%p ctx=%p\n", jcr->plugin, jcr->plugin_ctx);
514 if (jcr->plugin && jcr->plugin->restoreFileStarted) {
515 plug_func(jcr->plugin)->endRestoreFile(jcr->plugin_ctx);
516 jcr->plugin->restoreFileStarted = false;
518 jcr->plugin_ctx = NULL;
522 if (!plugin_ctx_list) {
527 * After this point, we are dealing with a restore start
529 if (!get_plugin_name(jcr, cmd, &len)) {
534 * Search for correct plugin as specified on the command
536 foreach_alist(plugin, plugin_list) {
538 Dmsg3(dbglvl, "plugin=%s cmd=%s len=%d\n", plugin->file, cmd, len);
539 if (strncmp(plugin->file, cmd, len) != 0) {
543 jcr->plugin_ctx = &plugin_ctx_list[i];
544 jcr->plugin = plugin;
545 if (is_plugin_disabled(jcr)) {
548 Dmsg1(dbglvl, "Restore Command plugin = %s\n", cmd);
549 event.eventType = bEventRestoreCommand;
550 if (plug_func(plugin)->handlePluginEvent(jcr->plugin_ctx,
551 &event, cmd) != bRC_OK) {
554 /* ***FIXME**** check error code */
555 if (plugin->restoreFileStarted) {
556 plug_func(jcr->plugin)->endRestoreFile(jcr->plugin_ctx);
558 plug_func(plugin)->startRestoreFile((bpContext *)jcr->plugin_ctx, cmd);
559 plugin->restoreFileStarted = true;
562 Jmsg1(jcr, M_WARNING, 0, _("Plugin=%s not found.\n"), cmd);
569 * Tell the plugin to create the file. Return values are
570 * This is called only during Restore
573 * CF_SKIP -- skip processing this file
574 * CF_EXTRACT -- extract the file (i.e.call i/o routines)
575 * CF_CREATED -- created, but no content to extract (typically directories)
578 int plugin_create_file(JCR *jcr, ATTR *attr, BFILE *bfd, int replace)
580 bpContext *plugin_ctx = jcr->plugin_ctx;
581 Plugin *plugin = jcr->plugin;
582 struct restore_pkt rp;
586 if (!plugin || !plugin_ctx || !set_cmd_plugin(bfd, jcr) || jcr->is_job_canceled()) {
590 rp.pkt_size = sizeof(rp);
591 rp.pkt_end = sizeof(rp);
592 rp.stream = attr->stream;
593 rp.data_stream = attr->data_stream;
594 rp.type = attr->type;
595 rp.file_index = attr->file_index;
596 rp.LinkFI = attr->LinkFI;
598 rp.statp = attr->statp; /* structure assignment */
599 rp.attrEx = attr->attrEx;
600 rp.ofname = attr->ofname;
601 rp.olname = attr->olname;
602 rp.where = jcr->where;
603 rp.RegexWhere = jcr->RegexWhere;
604 rp.replace = jcr->replace;
605 rp.create_status = CF_ERROR;
606 Dmsg4(dbglvl, "call plugin createFile stream=%d type=%d LinkFI=%d File=%s\n",
607 rp.stream, rp.type, rp.LinkFI, rp.ofname);
609 Dmsg1(dbglvl, "attrEx=\"%s\"\n", rp.attrEx);
611 rc = plug_func(plugin)->createFile(plugin_ctx, &rp);
613 Qmsg2(jcr, M_ERROR, 0, _("Plugin createFile call failed. Stat=%d file=%s\n"),
617 if (rp.create_status == CF_SKIP) {
620 if (rp.create_status == CF_ERROR) {
621 Qmsg1(jcr, M_ERROR, 0, _("Plugin createFile call failed. Returned CF_ERROR file=%s\n"),
625 /* Created link or directory? */
626 if (rp.create_status == CF_CREATED) {
627 return rp.create_status; /* yes, no need to bopen */
630 flags = O_WRONLY | O_CREAT | O_TRUNC | O_BINARY;
631 Dmsg0(dbglvl, "call bopen\n");
632 int stat = bopen(bfd, attr->ofname, flags, S_IRUSR | S_IWUSR);
633 Dmsg1(50, "bopen status=%d\n", stat);
636 be.set_errno(bfd->berrno);
637 Qmsg2(jcr, M_ERROR, 0, _("Could not create %s: ERR=%s\n"),
638 attr->ofname, be.bstrerror());
639 Dmsg2(dbglvl,"Could not bopen file %s: ERR=%s\n", attr->ofname, be.bstrerror());
643 if (!is_bopen(bfd)) {
644 Dmsg0(000, "===== BFD is not open!!!!\n");
650 * Reset the file attributes after all file I/O is done -- this allows
651 * the previous access time/dates to be set properly, and it also allows
652 * us to properly set directory permissions.
653 * Not currently Implemented.
655 bool plugin_set_attributes(JCR *jcr, ATTR *attr, BFILE *ofd)
657 Dmsg0(dbglvl, "plugin_set_attributes\n");
661 pm_strcpy(attr->ofname, "*none*");
666 * Print to file the plugin info.
668 void dump_fd_plugin(Plugin *plugin, FILE *fp)
673 pInfo *info = (pInfo *)plugin->pinfo;
674 fprintf(fp, "\tversion=%d\n", info->version);
675 fprintf(fp, "\tdate=%s\n", NPRTB(info->plugin_date));
676 fprintf(fp, "\tmagic=%s\n", NPRTB(info->plugin_magic));
677 fprintf(fp, "\tauthor=%s\n", NPRTB(info->plugin_author));
678 fprintf(fp, "\tlicence=%s\n", NPRTB(info->plugin_license));
679 fprintf(fp, "\tversion=%s\n", NPRTB(info->plugin_version));
680 fprintf(fp, "\tdescription=%s\n", NPRTB(info->plugin_description));
684 * This entry point is called internally by Bacula to ensure
685 * that the plugin IO calls come into this code.
687 void load_fd_plugins(const char *plugin_dir)
692 Dmsg0(dbglvl, "plugin dir is NULL\n");
696 plugin_list = New(alist(10, not_owned_by_alist));
697 if (!load_plugins((void *)&binfo, (void *)&bfuncs, plugin_dir, plugin_type,
698 is_plugin_compatible)) {
699 /* Either none found, or some error */
700 if (plugin_list->size() == 0) {
703 Dmsg0(dbglvl, "No plugins loaded\n");
708 /* Plug entry points called from findlib */
709 plugin_bopen = my_plugin_bopen;
710 plugin_bclose = my_plugin_bclose;
711 plugin_bread = my_plugin_bread;
712 plugin_bwrite = my_plugin_bwrite;
713 plugin_blseek = my_plugin_blseek;
716 * Verify that the plugin is acceptable, and print information
719 foreach_alist(plugin, plugin_list) {
720 Jmsg(NULL, M_INFO, 0, _("Loaded plugin: %s\n"), plugin->file);
721 Dmsg1(dbglvl, "Loaded plugin: %s\n", plugin->file);
724 dbg_plugin_add_hook(dump_fd_plugin);
728 * Check if a plugin is compatible. Called by the load_plugin function
729 * to allow us to verify the plugin.
731 static bool is_plugin_compatible(Plugin *plugin)
733 pInfo *info = (pInfo *)plugin->pinfo;
734 Dmsg0(50, "is_plugin_compatible called\n");
735 if (debug_level >= 50) {
736 dump_fd_plugin(plugin, stdin);
738 if (strcmp(info->plugin_magic, FD_PLUGIN_MAGIC) != 0) {
739 Jmsg(NULL, M_ERROR, 0, _("Plugin magic wrong. Plugin=%s wanted=%s got=%s\n"),
740 plugin->file, FD_PLUGIN_MAGIC, info->plugin_magic);
741 Dmsg3(50, "Plugin magic wrong. Plugin=%s wanted=%s got=%s\n",
742 plugin->file, FD_PLUGIN_MAGIC, info->plugin_magic);
746 if (info->version != FD_PLUGIN_INTERFACE_VERSION) {
747 Jmsg(NULL, M_ERROR, 0, _("Plugin version incorrect. Plugin=%s wanted=%d got=%d\n"),
748 plugin->file, FD_PLUGIN_INTERFACE_VERSION, info->version);
749 Dmsg3(50, "Plugin version incorrect. Plugin=%s wanted=%d got=%d\n",
750 plugin->file, FD_PLUGIN_INTERFACE_VERSION, info->version);
753 if (strcmp(info->plugin_license, "Bacula AGPLv3") != 0 &&
754 strcmp(info->plugin_license, "AGPLv3") != 0) {
755 Jmsg(NULL, M_ERROR, 0, _("Plugin license incompatible. Plugin=%s license=%s\n"),
756 plugin->file, info->plugin_license);
757 Dmsg2(50, "Plugin license incompatible. Plugin=%s license=%s\n",
758 plugin->file, info->plugin_license);
767 * Create a new instance of each plugin for this Job
768 * Note, plugin_list can exist but jcr->plugin_ctx_list can
769 * be NULL if no plugins were loaded.
771 void new_plugins(JCR *jcr)
777 Dmsg0(dbglvl, "plugin list is NULL\n");
780 if (jcr->is_job_canceled() || jcr->JobId == 0) {
784 int num = plugin_list->size();
787 Dmsg0(dbglvl, "No plugins loaded\n");
791 jcr->plugin_ctx_list = (bpContext *)malloc(sizeof(bpContext) * num);
793 bpContext *plugin_ctx_list = (bpContext *)jcr->plugin_ctx_list;
794 Dmsg2(dbglvl, "Instantiate plugin_ctx=%p JobId=%d\n", plugin_ctx_list, jcr->JobId);
795 foreach_alist(plugin, plugin_list) {
796 /* Start a new instance of each plugin */
797 bacula_ctx *b_ctx = (bacula_ctx *)malloc(sizeof(bacula_ctx));
798 memset(b_ctx, 0, sizeof(bacula_ctx));
800 plugin_ctx_list[i].bContext = (void *)b_ctx; /* Bacula private context */
801 plugin_ctx_list[i].pContext = NULL;
802 if (plug_func(plugin)->newPlugin(&plugin_ctx_list[i++]) != bRC_OK) {
803 b_ctx->disabled = true;
809 * Free the plugin instances for this Job
811 void free_plugins(JCR *jcr)
816 if (!plugin_list || !jcr->plugin_ctx_list) {
817 return; /* no plugins, nothing to do */
820 bpContext *plugin_ctx_list = (bpContext *)jcr->plugin_ctx_list;
821 Dmsg2(dbglvl, "Free instance plugin_ctx=%p JobId=%d\n", plugin_ctx_list, jcr->JobId);
822 foreach_alist(plugin, plugin_list) {
823 /* Free the plugin instance */
824 plug_func(plugin)->freePlugin(&plugin_ctx_list[i]);
825 free(plugin_ctx_list[i++].bContext); /* free Bacula private context */
827 free(plugin_ctx_list);
828 jcr->plugin_ctx_list = NULL;
831 static int my_plugin_bopen(BFILE *bfd, const char *fname, int flags, mode_t mode)
834 Plugin *plugin = (Plugin *)jcr->plugin;
837 Dmsg1(dbglvl, "plugin_bopen flags=%x\n", flags);
838 if (!plugin || !jcr->plugin_ctx) {
841 io.pkt_size = sizeof(io);
842 io.pkt_end = sizeof(io);
851 plug_func(plugin)->pluginIO(jcr->plugin_ctx, &io);
852 bfd->berrno = io.io_errno;
854 errno = b_errno_win32;
857 bfd->lerror = io.lerror;
859 Dmsg1(50, "Return from plugin open status=%d\n", io.status);
863 static int my_plugin_bclose(BFILE *bfd)
866 Plugin *plugin = (Plugin *)jcr->plugin;
869 Dmsg0(dbglvl, "===== plugin_bclose\n");
870 if (!plugin || !jcr->plugin_ctx) {
873 io.pkt_size = sizeof(io);
874 io.pkt_end = sizeof(io);
880 plug_func(plugin)->pluginIO(jcr->plugin_ctx, &io);
881 bfd->berrno = io.io_errno;
883 errno = b_errno_win32;
886 bfd->lerror = io.lerror;
888 Dmsg1(dbglvl, "plugin_bclose stat=%d\n", io.status);
892 static ssize_t my_plugin_bread(BFILE *bfd, void *buf, size_t count)
895 Plugin *plugin = (Plugin *)jcr->plugin;
898 Dmsg0(dbglvl, "plugin_bread\n");
899 if (!plugin || !jcr->plugin_ctx) {
902 io.pkt_size = sizeof(io);
903 io.pkt_end = sizeof(io);
906 io.buf = (char *)buf;
909 plug_func(plugin)->pluginIO(jcr->plugin_ctx, &io);
910 bfd->berrno = io.io_errno;
912 errno = b_errno_win32;
915 bfd->lerror = io.lerror;
917 return (ssize_t)io.status;
920 static ssize_t my_plugin_bwrite(BFILE *bfd, void *buf, size_t count)
923 Plugin *plugin = (Plugin *)jcr->plugin;
926 Dmsg0(dbglvl, "plugin_bwrite\n");
927 if (!plugin || !jcr->plugin_ctx) {
930 io.pkt_size = sizeof(io);
931 io.pkt_end = sizeof(io);
934 io.buf = (char *)buf;
937 plug_func(plugin)->pluginIO(jcr->plugin_ctx, &io);
938 bfd->berrno = io.io_errno;
940 errno = b_errno_win32;
943 bfd->lerror = io.lerror;
945 return (ssize_t)io.status;
948 static boffset_t my_plugin_blseek(BFILE *bfd, boffset_t offset, int whence)
951 Plugin *plugin = (Plugin *)jcr->plugin;
954 Dmsg0(dbglvl, "plugin_bseek\n");
955 if (!plugin || !jcr->plugin_ctx) {
958 io.pkt_size = sizeof(io);
959 io.pkt_end = sizeof(io);
965 plug_func(plugin)->pluginIO(jcr->plugin_ctx, &io);
966 bfd->berrno = io.io_errno;
968 errno = b_errno_win32;
971 bfd->lerror = io.lerror;
973 return (boffset_t)io.offset;
976 /* ==============================================================
978 * Callbacks from the plugin
980 * ==============================================================
982 static bRC baculaGetValue(bpContext *ctx, bVariable var, void *value)
989 switch (var) { /* General variables, no need of ctx */
991 *((char **)value) = my_name;
994 *(void **)value = me->working_directory;
997 *(char **)value = exepath;
1003 if (!ctx) { /* Other variables need context */
1007 jcr = ((bacula_ctx *)ctx->bContext)->jcr;
1014 *((int *)value) = jcr->JobId;
1015 Dmsg1(dbglvl, "Bacula: return bVarJobId=%d\n", jcr->JobId);
1018 *((int *)value) = jcr->getJobLevel();
1019 Dmsg1(dbglvl, "Bacula: return bVarJobLevel=%d\n", jcr->getJobLevel());
1022 *((int *)value) = jcr->getJobType();
1023 Dmsg1(dbglvl, "Bacula: return bVarJobType=%d\n", jcr->getJobType());
1026 *((char **)value) = jcr->client_name;
1027 Dmsg1(dbglvl, "Bacula: return Client_name=%s\n", jcr->client_name);
1030 *((char **)value) = jcr->Job;
1031 Dmsg1(dbglvl, "Bacula: return Job name=%s\n", jcr->Job);
1034 *((int *)value) = jcr->JobStatus;
1035 Dmsg1(dbglvl, "Bacula: return bVarJobStatus=%d\n", jcr->JobStatus);
1038 *((int *)value) = (int)jcr->mtime;
1039 Dmsg1(dbglvl, "Bacula: return since=%d\n", (int)jcr->mtime);
1042 *((int *)value) = (int)jcr->accurate;
1043 Dmsg1(dbglvl, "Bacula: return accurate=%d\n", (int)jcr->accurate);
1046 break; /* a write only variable, ignore read request */
1050 *(void **)value = g_pVSSClient->GetVssObject();
1055 case bVarVssDllHandle:
1058 *(void **)value = g_pVSSClient->GetVssDllHandle();
1064 *(char **)value = jcr->where;
1066 case bVarRegexWhere:
1067 *(char **)value = jcr->RegexWhere;
1070 case bVarFDName: /* get warning with g++ if we missed one */
1071 case bVarWorkingDir:
1078 static bRC baculaSetValue(bpContext *ctx, bVariable var, void *value)
1081 if (!value || !ctx) {
1084 // Dmsg1(dbglvl, "bacula: baculaGetValue var=%d\n", var);
1085 jcr = ((bacula_ctx *)ctx->bContext)->jcr;
1089 // Dmsg1(dbglvl, "Bacula: jcr=%p\n", jcr);
1092 if (!accurate_mark_file_as_seen(jcr, (char *)value)) {
1102 static bRC baculaRegisterEvents(bpContext *ctx, ...)
1111 va_start(args, ctx);
1112 while ((event = va_arg(args, uint32_t))) {
1113 Dmsg1(dbglvl, "Plugin wants event=%u\n", event);
1119 static bRC baculaJobMsg(bpContext *ctx, const char *file, int line,
1120 int type, utime_t mtime, const char *fmt, ...)
1127 jcr = ((bacula_ctx *)ctx->bContext)->jcr;
1132 va_start(arg_ptr, fmt);
1133 bvsnprintf(buf, sizeof(buf), fmt, arg_ptr);
1135 Jmsg(jcr, type, mtime, "%s", buf);
1139 static bRC baculaDebugMsg(bpContext *ctx, const char *file, int line,
1140 int level, const char *fmt, ...)
1145 va_start(arg_ptr, fmt);
1146 bvsnprintf(buf, sizeof(buf), fmt, arg_ptr);
1148 d_msg(file, line, level, "%s", buf);
1152 static void *baculaMalloc(bpContext *ctx, const char *file, int line,
1156 return sm_malloc(file, line, size);
1158 return malloc(size);
1162 static void baculaFree(bpContext *ctx, const char *file, int line, void *mem)
1165 sm_free(file, line, mem);
1171 static bool is_ctx_good(bpContext *ctx, JCR *&jcr, bacula_ctx *&bctx)
1176 bctx = (bacula_ctx *)ctx->bContext;
1188 * Let the plugin define files/directories to be excluded
1189 * from the main backup.
1191 static bRC baculaAddExclude(bpContext *ctx, const char *file)
1195 if (!is_ctx_good(ctx, jcr, bctx)) {
1201 if (!bctx->exclude) {
1202 bctx->exclude = new_exclude(jcr);
1203 new_options(jcr, bctx->exclude);
1205 set_incexe(jcr, bctx->exclude);
1206 add_file_to_fileset(jcr, file, true);
1207 Dmsg1(100, "Add exclude file=%s\n", file);
1212 * Let the plugin define files/directories to be excluded
1213 * from the main backup.
1215 static bRC baculaAddInclude(bpContext *ctx, const char *file)
1219 if (!is_ctx_good(ctx, jcr, bctx)) {
1225 if (!bctx->include) {
1226 bctx->include = new_preinclude(jcr);
1227 new_options(jcr, bctx->include);
1229 set_incexe(jcr, bctx->include);
1230 add_file_to_fileset(jcr, file, true);
1231 Dmsg1(100, "Add include file=%s\n", file);
1235 static bRC baculaAddOptions(bpContext *ctx, const char *opts)
1239 if (!is_ctx_good(ctx, jcr, bctx)) {
1245 add_options_to_fileset(jcr, opts);
1246 Dmsg1(1000, "Add options=%s\n", opts);
1250 static bRC baculaAddRegex(bpContext *ctx, const char *item, int type)
1254 if (!is_ctx_good(ctx, jcr, bctx)) {
1260 add_regex_to_fileset(jcr, item, type);
1261 Dmsg1(100, "Add regex=%s\n", item);
1265 static bRC baculaAddWild(bpContext *ctx, const char *item, int type)
1269 if (!is_ctx_good(ctx, jcr, bctx)) {
1275 add_wild_to_fileset(jcr, item, type);
1276 Dmsg1(100, "Add wild=%s\n", item);
1280 static bRC baculaNewOptions(bpContext *ctx)
1284 if (!is_ctx_good(ctx, jcr, bctx)) {
1287 (void)new_options(jcr, NULL);
1291 static bRC baculaNewInclude(bpContext *ctx)
1295 if (!is_ctx_good(ctx, jcr, bctx)) {
1298 (void)new_include(jcr);
1304 * Check if a file have to be backuped using Accurate code
1306 static bRC baculaCheckChanges(bpContext *ctx, struct save_pkt *sp)
1311 bRC ret = bRC_Error;
1313 if (!is_ctx_good(ctx, jcr, bctx)) {
1322 * Copy fname and link because save_file() zaps them. This
1323 * avoids zaping the plugin's strings.
1325 ff_pkt->type = sp->type;
1327 Jmsg0(jcr, M_FATAL, 0, _("Command plugin: no fname in baculaCheckChanges packet.\n"));
1331 ff_pkt->fname = sp->fname;
1332 ff_pkt->link = sp->link;
1333 memcpy(&ff_pkt->statp, &sp->statp, sizeof(ff_pkt->statp));
1335 if (check_changes(jcr, ff_pkt)) {
1342 Dmsg1(100, "checkChanges=%i\n", ret);
1349 int (*plugin_bopen)(JCR *jcr, const char *fname, int flags, mode_t mode) = NULL;
1350 int (*plugin_bclose)(JCR *jcr) = NULL;
1351 ssize_t (*plugin_bread)(JCR *jcr, void *buf, size_t count) = NULL;
1352 ssize_t (*plugin_bwrite)(JCR *jcr, void *buf, size_t count) = NULL;
1353 boffset_t (*plugin_blseek)(JCR *jcr, boffset_t offset, int whence) = NULL;
1355 int save_file(JCR *jcr, FF_PKT *ff_pkt, bool top_level)
1360 bool set_cmd_plugin(BFILE *bfd, JCR *jcr)
1365 int main(int argc, char *argv[])
1367 char plugin_dir[1000];
1372 strcpy(my_name, "test-fd");
1374 getcwd(plugin_dir, sizeof(plugin_dir)-1);
1375 load_fd_plugins(plugin_dir);
1383 generate_plugin_event(jcr1, bEventJobStart, (void *)"Start Job 1");
1384 generate_plugin_event(jcr1, bEventJobEnd);
1385 generate_plugin_event(jcr2, bEventJobStart, (void *)"Start Job 2");
1387 generate_plugin_event(jcr2, bEventJobEnd);
1392 Dmsg0(dbglvl, "bacula: OK ...\n");
1393 close_memory_pool();
1394 sm_dump(false); /* unit test */
1398 #endif /* TEST_PROGRAM */