2 * $Id: serv_sieve.c 3850 2005-09-13 14:00:24Z ajc $
4 * This module glues libSieve to the Citadel server in order to implement
5 * the Sieve mailbox filtering language (RFC 3028).
7 * This code is released under the terms of the GNU General Public License.
18 #include <sys/types.h>
20 #if TIME_WITH_SYS_TIME
21 # include <sys/time.h>
25 # include <sys/time.h>
36 #include "sysdep_decls.h"
37 #include "citserver.h"
40 #include "serv_extensions.h"
45 #include "internet_addressing.h"
50 #include "serv_sieve.h"
52 struct RoomProcList *sieve_list = NULL;
53 char *msiv_extensions = NULL;
57 * Callback function to send libSieve trace messages to Citadel log facility
58 * Set ctdl_libsieve_debug=1 to see extremely verbose libSieve trace
60 int ctdl_debug(sieve2_context_t *s, void *my)
62 static int ctdl_libsieve_debug = 0;
64 if (ctdl_libsieve_debug) {
65 lprintf(CTDL_DEBUG, "Sieve: level [%d] module [%s] file [%s] function [%s]\n",
66 sieve2_getvalue_int(s, "level"),
67 sieve2_getvalue_string(s, "module"),
68 sieve2_getvalue_string(s, "file"),
69 sieve2_getvalue_string(s, "function"));
70 lprintf(CTDL_DEBUG, " message [%s]\n",
71 sieve2_getvalue_string(s, "message"));
78 * Callback function to log script parsing errors
80 int ctdl_errparse(sieve2_context_t *s, void *my)
82 lprintf(CTDL_WARNING, "Error in script, line %d: %s\n",
83 sieve2_getvalue_int(s, "lineno"),
84 sieve2_getvalue_string(s, "message")
91 * Callback function to log script execution errors
93 int ctdl_errexec(sieve2_context_t *s, void *my)
95 lprintf(CTDL_WARNING, "Error executing script: %s\n",
96 sieve2_getvalue_string(s, "message")
103 * Callback function to redirect a message to a different folder
105 int ctdl_redirect(sieve2_context_t *s, void *my)
107 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
108 struct CtdlMessage *msg = NULL;
109 struct recptypes *valid = NULL;
112 safestrncpy(recp, sieve2_getvalue_string(s, "address"), sizeof recp);
114 lprintf(CTDL_DEBUG, "Action is REDIRECT, recipient <%s>\n", recp);
116 valid = validate_recipients(recp);
118 lprintf(CTDL_WARNING, "REDIRECT failed: bad recipient <%s>\n", recp);
119 return SIEVE2_ERROR_BADARGS;
121 if (valid->num_error > 0) {
122 lprintf(CTDL_WARNING, "REDIRECT failed: bad recipient <%s>\n", recp);
124 return SIEVE2_ERROR_BADARGS;
127 msg = CtdlFetchMessage(cs->msgnum, 1);
129 lprintf(CTDL_WARNING, "REDIRECT failed: unable to fetch msg %ld\n", cs->msgnum);
131 return SIEVE2_ERROR_BADARGS;
134 CtdlSubmitMsg(msg, valid, NULL);
135 cs->cancel_implicit_keep = 1;
137 CtdlFreeMessage(msg);
143 * Callback function to indicate that a message *will* be kept in the inbox
145 int ctdl_keep(sieve2_context_t *s, void *my)
147 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
149 lprintf(CTDL_DEBUG, "Action is KEEP\n");
152 cs->cancel_implicit_keep = 1;
158 * Callback function to file a message into a different mailbox
160 int ctdl_fileinto(sieve2_context_t *s, void *my)
162 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
163 const char *dest_folder = sieve2_getvalue_string(s, "mailbox");
165 char foldername[256];
166 char original_room_name[ROOMNAMELEN];
168 lprintf(CTDL_DEBUG, "Action is FILEINTO, destination is <%s>\n", dest_folder);
170 /* FILEINTO 'INBOX' is the same thing as KEEP */
171 if ( (!strcasecmp(dest_folder, "INBOX")) || (!strcasecmp(dest_folder, MAILROOM)) ) {
173 cs->cancel_implicit_keep = 1;
177 /* Remember what room we came from */
178 safestrncpy(original_room_name, CC->room.QRname, sizeof original_room_name);
180 /* First try a mailbox name match (check personal mail folders first) */
181 snprintf(foldername, sizeof foldername, "%010ld.%s", cs->usernum, dest_folder);
182 c = getroom(&CC->room, foldername);
184 /* Then a regular room name match (public and private rooms) */
186 safestrncpy(foldername, dest_folder, sizeof foldername);
187 c = getroom(&CC->room, foldername);
191 lprintf(CTDL_WARNING, "FILEINTO failed: target <%s> does not exist\n", dest_folder);
192 return SIEVE2_ERROR_BADARGS;
195 /* Yes, we actually have to go there */
196 usergoto(NULL, 0, 0, NULL, NULL);
198 c = CtdlSaveMsgPointersInRoom(NULL, &cs->msgnum, 1, 0, NULL);
200 /* Go back to the room we came from */
201 if (strcasecmp(original_room_name, CC->room.QRname)) {
202 usergoto(original_room_name, 0, 0, NULL, NULL);
206 cs->cancel_implicit_keep = 1;
210 return SIEVE2_ERROR_BADARGS;
216 * Callback function to indicate that a message should be discarded.
218 int ctdl_discard(sieve2_context_t *s, void *my)
220 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
222 lprintf(CTDL_DEBUG, "Action is DISCARD\n");
224 /* Cancel the implicit keep. That's all there is to it. */
225 cs->cancel_implicit_keep = 1;
232 * Callback function to indicate that a message should be rejected
234 int ctdl_reject(sieve2_context_t *s, void *my)
236 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
237 char *reject_text = NULL;
239 lprintf(CTDL_DEBUG, "Action is REJECT\n");
241 /* If we don't know who sent the message, do a DISCARD instead. */
242 if (strlen(cs->sender) == 0) {
243 lprintf(CTDL_INFO, "Unknown sender. Doing DISCARD instead of REJECT.\n");
244 return ctdl_discard(s, my);
247 /* Assemble the reject message. */
248 reject_text = malloc(strlen(sieve2_getvalue_string(s, "message")) + 1024);
249 if (reject_text == NULL) {
250 return SIEVE2_ERROR_FAIL;
254 "Content-type: text/plain\n"
256 "The message was refused by the recipient's mail filtering program.\n"
257 "The reason given was as follows:\n"
262 sieve2_getvalue_string(s, "message")
265 quickie_message( /* This delivers the message */
271 "Delivery status notification"
275 cs->cancel_implicit_keep = 1;
282 * Callback function to indicate that a vacation message should be generated
283 * FIXME implement this
285 int ctdl_vacation(sieve2_context_t *s, void *my)
287 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
288 struct sdm_vacation *vptr;
290 lprintf(CTDL_DEBUG, "Action is VACATION\n");
292 // sieve2_getvalue_string(s, "hash"),
293 // sieve2_getvalue_int(s, "days") );
296 /* add hash to list - FIXME only do this on a miss */
297 vptr = malloc(sizeof(struct sdm_vacation));
298 vptr->timestamp = time(NULL);
299 safestrncpy(vptr->hash, sieve2_getvalue_string(s, "hash"), sizeof vptr->hash);
300 vptr->next = cs->u->first_vacation;
301 cs->u->first_vacation = vptr;
304 /* return SIEVE2_ERROR_UNSUPPORTED; */
309 * Callback function to parse addresses per local system convention
310 * It is disabled because we don't support subaddresses.
313 int ctdl_getsubaddress(sieve2_context_t *s, void *my)
315 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
317 /* libSieve does not take ownership of the memory used here. But, since we
318 * are just pointing to locations inside a struct which we are going to free
321 sieve2_setvalue_string(s, "user", cs->recp_user);
322 sieve2_setvalue_string(s, "detail", "");
323 sieve2_setvalue_string(s, "localpart", cs->recp_user);
324 sieve2_setvalue_string(s, "domain", cs->recp_node);
331 * Callback function to parse message envelope
333 int ctdl_getenvelope(sieve2_context_t *s, void *my)
335 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
337 lprintf(CTDL_DEBUG, "Action is GETENVELOPE\n");
338 sieve2_setvalue_string(s, "to", cs->envelope_to);
339 sieve2_setvalue_string(s, "from", cs->envelope_from);
345 * Callback function to fetch message body
346 * FIXME implement this
349 int ctdl_getbody(sieve2_context_t *s, void *my)
351 return SIEVE2_ERROR_UNSUPPORTED;
357 * Callback function to fetch message size
359 int ctdl_getsize(sieve2_context_t *s, void *my)
361 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
364 GetMetaData(&smi, cs->msgnum);
366 if (smi.meta_rfc822_length > 0L) {
367 sieve2_setvalue_int(s, "size", (int)smi.meta_rfc822_length);
371 return SIEVE2_ERROR_UNSUPPORTED;
376 * Callback function to retrieve the sieve script
378 int ctdl_getscript(sieve2_context_t *s, void *my) {
379 struct sdm_script *sptr;
380 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
382 for (sptr=cs->u->first_script; sptr!=NULL; sptr=sptr->next) {
383 if (sptr->script_active > 0) {
384 lprintf(CTDL_DEBUG, "ctdl_getscript() is using script '%s'\n", sptr->script_name);
385 sieve2_setvalue_string(s, "script", sptr->script_content);
390 lprintf(CTDL_DEBUG, "ctdl_getscript() found no active script\n");
391 return SIEVE2_ERROR_GETSCRIPT;
395 * Callback function to retrieve message headers
397 int ctdl_getheaders(sieve2_context_t *s, void *my) {
399 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
401 lprintf(CTDL_DEBUG, "ctdl_getheaders() was called\n");
403 sieve2_setvalue_string(s, "allheaders", cs->rfc822headers);
410 * Add a room to the list of those rooms which potentially require sieve processing
412 void sieve_queue_room(struct ctdlroom *which_room) {
413 struct RoomProcList *ptr;
415 ptr = (struct RoomProcList *) malloc(sizeof (struct RoomProcList));
416 if (ptr == NULL) return;
418 safestrncpy(ptr->name, which_room->QRname, sizeof ptr->name);
419 begin_critical_section(S_SIEVELIST);
420 ptr->next = sieve_list;
422 end_critical_section(S_SIEVELIST);
428 * Perform sieve processing for one message (called by sieve_do_room() for each message)
430 void sieve_do_msg(long msgnum, void *userdata) {
431 struct sdm_userdata *u = (struct sdm_userdata *) userdata;
432 sieve2_context_t *sieve2_context = u->sieve2_context;
433 struct ctdl_sieve my;
435 struct CtdlMessage *msg;
437 lprintf(CTDL_DEBUG, "Performing sieve processing on msg <%ld>\n", msgnum);
439 msg = CtdlFetchMessage(msgnum, 0);
440 if (msg == NULL) return;
442 CC->redirect_buffer = malloc(SIZ);
443 CC->redirect_len = 0;
444 CC->redirect_alloc = SIZ;
445 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ONLY, 0, 1);
446 my.rfc822headers = CC->redirect_buffer;
447 CC->redirect_buffer = NULL;
448 CC->redirect_len = 0;
449 CC->redirect_alloc = 0;
451 my.keep = 0; /* Set to 1 to declare an *explicit* keep */
452 my.cancel_implicit_keep = 0; /* Some actions will cancel the implicit keep */
453 my.usernum = atol(CC->room.QRname); /* Keep track of the owner of the room's namespace */
454 my.msgnum = msgnum; /* Keep track of the message number in our local store */
455 my.u = u; /* Hand off a pointer to the rest of this info */
457 /* Keep track of the recipient so we can do handling based on it later */
458 process_rfc822_addr(msg->cm_fields['R'], my.recp_user, my.recp_node, my.recp_name);
460 /* Keep track of the sender so we can use it for REJECT and VACATION responses */
461 if (msg->cm_fields['F'] != NULL) {
462 safestrncpy(my.sender, msg->cm_fields['F'], sizeof my.sender);
464 else if ( (msg->cm_fields['A'] != NULL) && (msg->cm_fields['N'] != NULL) ) {
465 snprintf(my.sender, sizeof my.sender, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
467 else if (msg->cm_fields['A'] != NULL) {
468 safestrncpy(my.sender, msg->cm_fields['A'], sizeof my.sender);
471 strcpy(my.sender, "");
474 /* Keep track of the subject so we can use it for VACATION responses */
475 if (msg->cm_fields['U'] != NULL) {
476 safestrncpy(my.subject, msg->cm_fields['U'], sizeof my.subject);
479 strcpy(my.subject, "");
482 /* Keep track of the envelope-from address (use body-from if not found) */
483 if (msg->cm_fields['P'] != NULL) {
484 safestrncpy(my.envelope_from, msg->cm_fields['P'], sizeof my.envelope_from);
486 else if (msg->cm_fields['F'] != NULL) {
487 safestrncpy(my.envelope_from, msg->cm_fields['F'], sizeof my.envelope_from);
490 strcpy(my.envelope_from, "");
493 /* Keep track of the envelope-to address */
494 if (msg->cm_fields['V'] != NULL) {
495 safestrncpy(my.envelope_to, msg->cm_fields['V'], sizeof my.envelope_to);
498 strcpy(my.envelope_to, "");
503 sieve2_setvalue_string(sieve2_context, "allheaders", my.rfc822headers);
505 lprintf(CTDL_DEBUG, "Calling sieve2_execute()\n");
506 res = sieve2_execute(sieve2_context, &my);
507 if (res != SIEVE2_OK) {
508 lprintf(CTDL_CRIT, "sieve2_execute() returned %d: %s\n", res, sieve2_errstr(res));
511 free(my.rfc822headers);
512 my.rfc822headers = NULL;
515 * Delete the message from the inbox unless either we were told not to, or
516 * if no other action was successfully taken.
518 if ( (!my.keep) && (my.cancel_implicit_keep) ) {
519 lprintf(CTDL_DEBUG, "keep is 0 -- deleting message from inbox\n");
520 CtdlDeleteMessages(CC->room.QRname, &msgnum, 1, "", 0);
523 lprintf(CTDL_DEBUG, "Completed sieve processing on msg <%ld>\n", msgnum);
524 u->lastproc = msgnum;
532 * Given the on-disk representation of our Sieve config, load
533 * it into an in-memory data structure.
535 void parse_sieve_config(char *conf, struct sdm_userdata *u) {
539 struct sdm_script *sptr;
540 struct sdm_vacation *vptr;
543 while (c = ptr, ptr = bmstrcasestr(ptr, CTDLSIEVECONFIGSEPARATOR), ptr != NULL) {
545 ptr += strlen(CTDLSIEVECONFIGSEPARATOR);
547 extract_token(keyword, c, 0, '|', sizeof keyword);
549 if (!strcasecmp(keyword, "lastproc")) {
550 u->lastproc = extract_long(c, 1);
553 else if (!strcasecmp(keyword, "script")) {
554 sptr = malloc(sizeof(struct sdm_script));
555 extract_token(sptr->script_name, c, 1, '|', sizeof sptr->script_name);
556 sptr->script_active = extract_int(c, 2);
557 remove_token(c, 0, '|');
558 remove_token(c, 0, '|');
559 remove_token(c, 0, '|');
560 sptr->script_content = strdup(c);
561 sptr->next = u->first_script;
562 u->first_script = sptr;
565 else if (!strcasecmp(keyword, "vacation")) {
566 vptr = malloc(sizeof(struct sdm_vacation));
567 vptr->timestamp = extract_long(c, 1);
568 extract_token(vptr->hash, c, 2, '|', sizeof vptr->hash);
569 vptr->next = u->first_vacation;
570 u->first_vacation = vptr;
573 /* ignore unknown keywords */
578 * We found the Sieve configuration for this user.
579 * Now do something with it.
581 void get_sieve_config_backend(long msgnum, void *userdata) {
582 struct sdm_userdata *u = (struct sdm_userdata *) userdata;
583 struct CtdlMessage *msg;
586 u->config_msgnum = msgnum;
587 msg = CtdlFetchMessage(msgnum, 1);
589 u->config_msgnum = (-1) ;
593 conf = msg->cm_fields['M'];
594 msg->cm_fields['M'] = NULL;
595 CtdlFreeMessage(msg);
598 parse_sieve_config(conf, u);
606 * Write our citadel sieve config back to disk
608 void rewrite_ctdl_sieve_config(struct sdm_userdata *u) {
610 struct sdm_script *sptr;
611 struct sdm_vacation *vptr;
616 "Content-type: application/x-citadel-sieve-config\n"
618 CTDLSIEVECONFIGSEPARATOR
620 CTDLSIEVECONFIGSEPARATOR
625 while (u->first_script != NULL) {
626 text = realloc(text, strlen(text) + strlen(u->first_script->script_content) + 256);
627 sprintf(&text[strlen(text)], "script|%s|%d|%s" CTDLSIEVECONFIGSEPARATOR,
628 u->first_script->script_name,
629 u->first_script->script_active,
630 u->first_script->script_content
632 sptr = u->first_script;
633 u->first_script = u->first_script->next;
634 free(sptr->script_content);
638 while (u->first_vacation != NULL) {
639 if ( (time(NULL) - u->first_vacation->timestamp) < MAX_VACATION) {
640 text = realloc(text, strlen(text) + strlen(u->first_vacation->hash) + 256);
641 sprintf(&text[strlen(text)], "vacation|%ld|%s" CTDLSIEVECONFIGSEPARATOR,
642 u->first_vacation->timestamp,
643 u->first_vacation->hash
646 vptr = u->first_vacation;
647 u->first_vacation = u->first_vacation->next;
651 /* Save the config */
652 quickie_message("Citadel", NULL, u->config_roomname,
655 "Sieve configuration"
658 /* And delete the old one */
659 if (u->config_msgnum > 0) {
660 CtdlDeleteMessages(u->config_roomname, &u->config_msgnum, 1, "", 0);
667 * This is our callback registration table for libSieve.
669 sieve2_callback_t ctdl_sieve_callbacks[] = {
670 { SIEVE2_ACTION_REJECT, ctdl_reject },
671 { SIEVE2_ACTION_VACATION, ctdl_vacation },
672 { SIEVE2_ERRCALL_PARSE, ctdl_errparse },
673 { SIEVE2_ERRCALL_RUNTIME, ctdl_errexec },
674 { SIEVE2_ACTION_FILEINTO, ctdl_fileinto },
675 { SIEVE2_ACTION_REDIRECT, ctdl_redirect },
676 { SIEVE2_ACTION_DISCARD, ctdl_discard },
677 { SIEVE2_ACTION_KEEP, ctdl_keep },
678 { SIEVE2_SCRIPT_GETSCRIPT, ctdl_getscript },
679 { SIEVE2_DEBUG_TRACE, ctdl_debug },
680 { SIEVE2_MESSAGE_GETALLHEADERS, ctdl_getheaders },
681 { SIEVE2_MESSAGE_GETSIZE, ctdl_getsize },
682 { SIEVE2_MESSAGE_GETENVELOPE, ctdl_getenvelope },
684 * These actions are unsupported by Citadel so we don't declare them.
686 { SIEVE2_ACTION_NOTIFY, ctdl_notify },
687 { SIEVE2_MESSAGE_GETSUBADDRESS, ctdl_getsubaddress },
688 { SIEVE2_MESSAGE_GETBODY, ctdl_getbody },
696 * Perform sieve processing for a single room
698 void sieve_do_room(char *roomname) {
700 struct sdm_userdata u;
701 sieve2_context_t *sieve2_context = NULL; /* Context for sieve parser */
702 int res; /* Return code from libsieve calls */
703 long orig_lastproc = 0;
705 memset(&u, 0, sizeof u);
707 /* See if the user who owns this 'mailbox' has any Sieve scripts that
710 snprintf(u.config_roomname, sizeof u.config_roomname, "%010ld.%s", atol(roomname), SIEVERULES);
711 if (getroom(&CC->room, u.config_roomname) != 0) {
712 lprintf(CTDL_DEBUG, "<%s> does not exist. No processing is required.\n", u.config_roomname);
717 * Find the sieve scripts and control record and do something
719 u.config_msgnum = (-1);
720 CtdlForEachMessage(MSGS_LAST, 1, NULL, SIEVECONFIG, NULL,
721 get_sieve_config_backend, (void *)&u );
723 if (u.config_msgnum < 0) {
724 lprintf(CTDL_DEBUG, "No Sieve rules exist. No processing is required.\n");
728 lprintf(CTDL_DEBUG, "Rules found. Performing Sieve processing for <%s>\n", roomname);
730 if (getroom(&CC->room, roomname) != 0) {
731 lprintf(CTDL_CRIT, "ERROR: cannot load <%s>\n", roomname);
735 /* Initialize the Sieve parser */
737 res = sieve2_alloc(&sieve2_context);
738 if (res != SIEVE2_OK) {
739 lprintf(CTDL_CRIT, "sieve2_alloc() returned %d: %s\n", res, sieve2_errstr(res));
743 res = sieve2_callbacks(sieve2_context, ctdl_sieve_callbacks);
744 if (res != SIEVE2_OK) {
745 lprintf(CTDL_CRIT, "sieve2_callbacks() returned %d: %s\n", res, sieve2_errstr(res));
749 /* Validate the script */
751 struct ctdl_sieve my; /* dummy ctdl_sieve struct just to pass "u" slong */
752 memset(&my, 0, sizeof my);
754 res = sieve2_validate(sieve2_context, &my);
755 if (res != SIEVE2_OK) {
756 lprintf(CTDL_CRIT, "sieve2_validate() returned %d: %s\n", res, sieve2_errstr(res));
760 /* Do something useful */
761 u.sieve2_context = sieve2_context;
762 orig_lastproc = u.lastproc;
763 CtdlForEachMessage(MSGS_GT, u.lastproc, NULL, NULL, NULL,
769 res = sieve2_free(&sieve2_context);
770 if (res != SIEVE2_OK) {
771 lprintf(CTDL_CRIT, "sieve2_free() returned %d: %s\n", res, sieve2_errstr(res));
774 /* Rewrite the config if we have to */
775 if (u.lastproc > orig_lastproc) {
776 rewrite_ctdl_sieve_config(&u);
782 * Perform sieve processing for all rooms which require it
784 void perform_sieve_processing(void) {
785 struct RoomProcList *ptr = NULL;
787 if (sieve_list != NULL) {
788 lprintf(CTDL_DEBUG, "Begin Sieve processing\n");
789 while (sieve_list != NULL) {
790 char spoolroomname[ROOMNAMELEN];
791 safestrncpy(spoolroomname, sieve_list->name, sizeof spoolroomname);
792 begin_critical_section(S_SIEVELIST);
794 /* pop this record off the list */
796 sieve_list = sieve_list->next;
799 /* invalidate any duplicate entries to prevent double processing */
800 for (ptr=sieve_list; ptr!=NULL; ptr=ptr->next) {
801 if (!strcasecmp(ptr->name, spoolroomname)) {
806 end_critical_section(S_SIEVELIST);
807 if (spoolroomname[0] != 0) {
808 sieve_do_room(spoolroomname);
815 void msiv_load(struct sdm_userdata *u) {
816 char hold_rm[ROOMNAMELEN];
818 strcpy(hold_rm, CC->room.QRname); /* save current room */
820 /* Take a spin through the user's personal address book */
821 if (getroom(&CC->room, SIEVERULES) == 0) {
823 u->config_msgnum = (-1);
824 strcpy(u->config_roomname, CC->room.QRname);
825 CtdlForEachMessage(MSGS_LAST, 1, NULL, SIEVECONFIG, NULL,
826 get_sieve_config_backend, (void *)u );
830 if (strcmp(CC->room.QRname, hold_rm)) {
831 getroom(&CC->room, hold_rm); /* return to saved room */
835 void msiv_store(struct sdm_userdata *u) {
836 rewrite_ctdl_sieve_config(u);
841 * Select the active script.
842 * (Set script_name to an empty string to disable all scripts)
844 * Returns 0 on success or nonzero for error.
846 int msiv_setactive(struct sdm_userdata *u, char *script_name) {
848 struct sdm_script *s;
850 /* First see if the supplied value is ok */
852 if (strlen(script_name) == 0) {
856 for (s=u->first_script; s!=NULL; s=s->next) {
857 if (!strcasecmp(s->script_name, script_name)) {
865 /* Now set the active script */
866 for (s=u->first_script; s!=NULL; s=s->next) {
867 if (!strcasecmp(s->script_name, script_name)) {
868 s->script_active = 1;
871 s->script_active = 0;
880 * Fetch a script by name.
882 * Returns NULL if the named script was not found, or a pointer to the script
883 * if it was found. NOTE: the caller does *not* own the memory returned by
884 * this function. Copy it if you need to keep it.
886 char *msiv_getscript(struct sdm_userdata *u, char *script_name) {
887 struct sdm_script *s;
889 for (s=u->first_script; s!=NULL; s=s->next) {
890 if (!strcasecmp(s->script_name, script_name)) {
891 if (s->script_content != NULL) {
892 return (s->script_content);
902 * Delete a script by name.
904 * Returns 0 if the script was deleted.
905 * 1 if the script was not found.
906 * 2 if the script cannot be deleted because it is active.
908 int msiv_deletescript(struct sdm_userdata *u, char *script_name) {
909 struct sdm_script *s = NULL;
910 struct sdm_script *script_to_delete = NULL;
912 for (s=u->first_script; s!=NULL; s=s->next) {
913 if (!strcasecmp(s->script_name, script_name)) {
914 script_to_delete = s;
915 if (s->script_active) {
921 if (script_to_delete == NULL) return(1);
923 if (u->first_script == script_to_delete) {
924 u->first_script = u->first_script->next;
926 else for (s=u->first_script; s!=NULL; s=s->next) {
927 if (s->next == script_to_delete) {
928 s->next = s->next->next;
932 free(script_to_delete->script_content);
933 free(script_to_delete);
939 * Add or replace a new script.
940 * NOTE: after this function returns, "u" owns the memory that "script_content"
943 void msiv_putscript(struct sdm_userdata *u, char *script_name, char *script_content) {
945 struct sdm_script *s, *sptr;
947 for (s=u->first_script; s!=NULL; s=s->next) {
948 if (!strcasecmp(s->script_name, script_name)) {
949 if (s->script_content != NULL) {
950 free(s->script_content);
952 s->script_content = script_content;
958 sptr = malloc(sizeof(struct sdm_script));
959 safestrncpy(sptr->script_name, script_name, sizeof sptr->script_name);
960 sptr->script_content = script_content;
961 sptr->script_active = 0;
962 sptr->next = u->first_script;
963 u->first_script = sptr;
970 * Citadel protocol to manage sieve scripts.
971 * This is basically a simplified (read: doesn't resemble IMAP) version
972 * of the 'managesieve' protocol.
974 void cmd_msiv(char *argbuf) {
976 struct sdm_userdata u;
977 char script_name[256];
978 char *script_content = NULL;
979 struct sdm_script *s;
982 memset(&u, 0, sizeof(struct sdm_userdata));
984 if (CtdlAccessCheck(ac_logged_in)) return;
985 extract_token(subcmd, argbuf, 0, '|', sizeof subcmd);
988 if (!strcasecmp(subcmd, "putscript")) {
989 extract_token(script_name, argbuf, 1, '|', sizeof script_name);
990 if (strlen(script_name) > 0) {
991 cprintf("%d Transmit script now\n", SEND_LISTING);
992 script_content = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0);
993 msiv_putscript(&u, script_name, script_content);
996 cprintf("%d Invalid script name.\n", ERROR + ILLEGAL_VALUE);
1000 else if (!strcasecmp(subcmd, "listscripts")) {
1001 cprintf("%d Scripts:\n", LISTING_FOLLOWS);
1002 for (s=u.first_script; s!=NULL; s=s->next) {
1003 if (s->script_content != NULL) {
1004 cprintf("%s|%d|\n", s->script_name, s->script_active);
1010 else if (!strcasecmp(subcmd, "setactive")) {
1011 extract_token(script_name, argbuf, 1, '|', sizeof script_name);
1012 if (msiv_setactive(&u, script_name) == 0) {
1013 cprintf("%d ok\n", CIT_OK);
1016 cprintf("%d Script '%s' does not exist.\n",
1017 ERROR + ILLEGAL_VALUE,
1023 else if (!strcasecmp(subcmd, "getscript")) {
1024 extract_token(script_name, argbuf, 1, '|', sizeof script_name);
1025 script_content = msiv_getscript(&u, script_name);
1026 if (script_content != NULL) {
1027 cprintf("%d Script:\n", SEND_LISTING);
1028 cprintf("%s000\n", script_content);
1031 cprintf("%d Invalid script name.\n", ERROR + ILLEGAL_VALUE);
1035 else if (!strcasecmp(subcmd, "deletescript")) {
1036 extract_token(script_name, argbuf, 1, '|', sizeof script_name);
1037 i = msiv_deletescript(&u, script_name);
1039 cprintf("%d ok\n", CIT_OK);
1042 cprintf("%d Script '%s' does not exist.\n",
1043 ERROR + ILLEGAL_VALUE,
1048 cprintf("%d Script '%s' is active and cannot be deleted.\n",
1049 ERROR + ILLEGAL_VALUE,
1054 cprintf("%d unknown error\n", ERROR);
1059 cprintf("%d Invalid subcommand\n", ERROR + CMD_NOT_SUPPORTED);
1067 void ctdl_sieve_init(void) {
1069 sieve2_context_t *sieve2_context = NULL;
1073 * We don't really care about dumping the entire credits to the log
1074 * every time the server is initialized. The documentation will suffice
1075 * for that purpose. We are making a call to sieve2_credits() in order
1076 * to demonstrate that we have successfully linked in to libsieve.
1078 cred = strdup(sieve2_credits());
1079 if (cred == NULL) return;
1081 if (strlen(cred) > 60) {
1082 strcpy(&cred[55], "...");
1085 lprintf(CTDL_INFO, "%s\n",cred);
1088 /* Briefly initialize a Sieve parser instance just so we can list the
1089 * extensions that are available.
1091 res = sieve2_alloc(&sieve2_context);
1092 if (res != SIEVE2_OK) {
1093 lprintf(CTDL_CRIT, "sieve2_alloc() returned %d: %s\n", res, sieve2_errstr(res));
1097 res = sieve2_callbacks(sieve2_context, ctdl_sieve_callbacks);
1098 if (res != SIEVE2_OK) {
1099 lprintf(CTDL_CRIT, "sieve2_callbacks() returned %d: %s\n", res, sieve2_errstr(res));
1103 msiv_extensions = strdup(sieve2_listextensions(sieve2_context));
1104 lprintf(CTDL_INFO, "Extensions: %s\n", msiv_extensions);
1106 BAIL: res = sieve2_free(&sieve2_context);
1107 if (res != SIEVE2_OK) {
1108 lprintf(CTDL_CRIT, "sieve2_free() returned %d: %s\n", res, sieve2_errstr(res));
1115 char *serv_sieve_init(void)
1118 CtdlRegisterProtoHook(cmd_msiv, "MSIV", "Manage Sieve scripts");
1119 return "$Id: serv_sieve.c 3850 2005-09-13 14:00:24Z ajc $";
1122 #else /* HAVE_LIBSIEVE */
1124 char *serv_sieve_init(void)
1126 lprintf(CTDL_INFO, "This server is missing libsieve. Mailbox filtering will be disabled.\n");
1127 return "$Id: serv_sieve.c 3850 2005-09-13 14:00:24Z ajc $";
1130 #endif /* HAVE_LIBSIEVE */