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;
303 return SIEVE2_ERROR_UNSUPPORTED;
308 * Callback function to parse addresses per local system convention
309 * It is disabled because we don't support subaddresses.
312 int ctdl_getsubaddress(sieve2_context_t *s, void *my)
314 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
316 /* libSieve does not take ownership of the memory used here. But, since we
317 * are just pointing to locations inside a struct which we are going to free
320 sieve2_setvalue_string(s, "user", cs->recp_user);
321 sieve2_setvalue_string(s, "detail", "");
322 sieve2_setvalue_string(s, "localpart", cs->recp_user);
323 sieve2_setvalue_string(s, "domain", cs->recp_node);
330 * Callback function to parse message envelope
333 int ctdl_getenvelope(sieve2_context_t *s, void *my)
335 return SIEVE2_ERROR_UNSUPPORTED;
341 * Callback function to fetch message body
342 * FIXME implement this
345 int ctdl_getbody(sieve2_context_t *s, void *my)
347 return SIEVE2_ERROR_UNSUPPORTED;
353 * Callback function to fetch message size
355 int ctdl_getsize(sieve2_context_t *s, void *my)
357 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
360 GetMetaData(&smi, cs->msgnum);
362 if (smi.meta_rfc822_length > 0L) {
363 sieve2_setvalue_int(s, "size", (int)smi.meta_rfc822_length);
367 return SIEVE2_ERROR_UNSUPPORTED;
372 * Callback function to retrieve the sieve script
374 int ctdl_getscript(sieve2_context_t *s, void *my) {
375 struct sdm_script *sptr;
376 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
378 for (sptr=cs->u->first_script; sptr!=NULL; sptr=sptr->next) {
379 if (sptr->script_active > 0) {
380 lprintf(CTDL_DEBUG, "ctdl_getscript() is using script '%s'\n", sptr->script_name);
381 sieve2_setvalue_string(s, "script", sptr->script_content);
386 lprintf(CTDL_DEBUG, "ctdl_getscript() found no active script\n");
387 return SIEVE2_ERROR_GETSCRIPT;
391 * Callback function to retrieve message headers
393 int ctdl_getheaders(sieve2_context_t *s, void *my) {
395 struct ctdl_sieve *cs = (struct ctdl_sieve *)my;
397 lprintf(CTDL_DEBUG, "ctdl_getheaders() was called\n");
399 sieve2_setvalue_string(s, "allheaders", cs->rfc822headers);
406 * Add a room to the list of those rooms which potentially require sieve processing
408 void sieve_queue_room(struct ctdlroom *which_room) {
409 struct RoomProcList *ptr;
411 ptr = (struct RoomProcList *) malloc(sizeof (struct RoomProcList));
412 if (ptr == NULL) return;
414 safestrncpy(ptr->name, which_room->QRname, sizeof ptr->name);
415 begin_critical_section(S_SIEVELIST);
416 ptr->next = sieve_list;
418 end_critical_section(S_SIEVELIST);
424 * Perform sieve processing for one message (called by sieve_do_room() for each message)
426 void sieve_do_msg(long msgnum, void *userdata) {
427 struct sdm_userdata *u = (struct sdm_userdata *) userdata;
428 sieve2_context_t *sieve2_context = u->sieve2_context;
429 struct ctdl_sieve my;
431 struct CtdlMessage *msg;
433 lprintf(CTDL_DEBUG, "Performing sieve processing on msg <%ld>\n", msgnum);
435 msg = CtdlFetchMessage(msgnum, 0);
436 if (msg == NULL) return;
438 CC->redirect_buffer = malloc(SIZ);
439 CC->redirect_len = 0;
440 CC->redirect_alloc = SIZ;
441 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ONLY, 0, 1);
442 my.rfc822headers = CC->redirect_buffer;
443 CC->redirect_buffer = NULL;
444 CC->redirect_len = 0;
445 CC->redirect_alloc = 0;
447 my.keep = 0; /* Set to 1 to declare an *explicit* keep */
448 my.cancel_implicit_keep = 0; /* Some actions will cancel the implicit keep */
449 my.usernum = atol(CC->room.QRname); /* Keep track of the owner of the room's namespace */
450 my.msgnum = msgnum; /* Keep track of the message number in our local store */
451 my.u = u; /* Hand off a pointer to the rest of this info */
453 /* Keep track of the recipient so we can do handling based on it later */
454 process_rfc822_addr(msg->cm_fields['R'], my.recp_user, my.recp_node, my.recp_name);
456 /* Keep track of the sender so we can use it for REJECT and VACATION responses */
457 if (msg->cm_fields['F'] != NULL) {
458 safestrncpy(my.sender, msg->cm_fields['F'], sizeof my.sender);
460 else if ( (msg->cm_fields['A'] != NULL) && (msg->cm_fields['N'] != NULL) ) {
461 snprintf(my.sender, sizeof my.sender, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
463 else if (msg->cm_fields['A'] != NULL) {
464 safestrncpy(my.sender, msg->cm_fields['A'], sizeof my.sender);
467 strcpy(my.sender, "");
470 /* Keep track of the subject so we can use it for VACATION responses */
471 if (msg->cm_fields['U'] != NULL) {
472 safestrncpy(my.subject, msg->cm_fields['U'], sizeof my.subject);
475 strcpy(my.subject, "");
481 sieve2_setvalue_string(sieve2_context, "allheaders", my.rfc822headers);
483 lprintf(CTDL_DEBUG, "Calling sieve2_execute()\n");
484 res = sieve2_execute(sieve2_context, &my);
485 if (res != SIEVE2_OK) {
486 lprintf(CTDL_CRIT, "sieve2_execute() returned %d: %s\n", res, sieve2_errstr(res));
489 free(my.rfc822headers);
490 my.rfc822headers = NULL;
493 * Delete the message from the inbox unless either we were told not to, or
494 * if no other action was successfully taken.
496 if ( (!my.keep) && (my.cancel_implicit_keep) ) {
497 lprintf(CTDL_DEBUG, "keep is 0 -- deleting message from inbox\n");
498 CtdlDeleteMessages(CC->room.QRname, &msgnum, 1, "", 0);
501 lprintf(CTDL_DEBUG, "Completed sieve processing on msg <%ld>\n", msgnum);
502 u->lastproc = msgnum;
510 * Given the on-disk representation of our Sieve config, load
511 * it into an in-memory data structure.
513 void parse_sieve_config(char *conf, struct sdm_userdata *u) {
517 struct sdm_script *sptr;
518 struct sdm_vacation *vptr;
521 while (c = ptr, ptr = bmstrcasestr(ptr, CTDLSIEVECONFIGSEPARATOR), ptr != NULL) {
523 ptr += strlen(CTDLSIEVECONFIGSEPARATOR);
525 extract_token(keyword, c, 0, '|', sizeof keyword);
527 if (!strcasecmp(keyword, "lastproc")) {
528 u->lastproc = extract_long(c, 1);
531 else if (!strcasecmp(keyword, "script")) {
532 sptr = malloc(sizeof(struct sdm_script));
533 extract_token(sptr->script_name, c, 1, '|', sizeof sptr->script_name);
534 sptr->script_active = extract_int(c, 2);
535 remove_token(c, 0, '|');
536 remove_token(c, 0, '|');
537 remove_token(c, 0, '|');
538 sptr->script_content = strdup(c);
539 sptr->next = u->first_script;
540 u->first_script = sptr;
543 else if (!strcasecmp(keyword, "vacation")) {
544 vptr = malloc(sizeof(struct sdm_vacation));
545 vptr->timestamp = extract_long(c, 1);
546 extract_token(vptr->hash, c, 2, '|', sizeof vptr->hash);
547 vptr->next = u->first_vacation;
548 u->first_vacation = vptr;
551 /* ignore unknown keywords */
556 * We found the Sieve configuration for this user.
557 * Now do something with it.
559 void get_sieve_config_backend(long msgnum, void *userdata) {
560 struct sdm_userdata *u = (struct sdm_userdata *) userdata;
561 struct CtdlMessage *msg;
564 u->config_msgnum = msgnum;
565 msg = CtdlFetchMessage(msgnum, 1);
567 u->config_msgnum = (-1) ;
571 conf = msg->cm_fields['M'];
572 msg->cm_fields['M'] = NULL;
573 CtdlFreeMessage(msg);
576 parse_sieve_config(conf, u);
584 * Write our citadel sieve config back to disk
586 void rewrite_ctdl_sieve_config(struct sdm_userdata *u) {
588 struct sdm_script *sptr;
589 struct sdm_vacation *vptr;
594 "Content-type: application/x-citadel-sieve-config\n"
596 CTDLSIEVECONFIGSEPARATOR
598 CTDLSIEVECONFIGSEPARATOR
603 while (u->first_script != NULL) {
604 text = realloc(text, strlen(text) + strlen(u->first_script->script_content) + 256);
605 sprintf(&text[strlen(text)], "script|%s|%d|%s" CTDLSIEVECONFIGSEPARATOR,
606 u->first_script->script_name,
607 u->first_script->script_active,
608 u->first_script->script_content
610 sptr = u->first_script;
611 u->first_script = u->first_script->next;
612 free(sptr->script_content);
616 while (u->first_vacation != NULL) {
617 if ( (time(NULL) - u->first_vacation->timestamp) < MAX_VACATION) {
618 text = realloc(text, strlen(text) + strlen(u->first_vacation->hash) + 256);
619 sprintf(&text[strlen(text)], "vacation|%ld|%s" CTDLSIEVECONFIGSEPARATOR,
620 u->first_vacation->timestamp,
621 u->first_vacation->hash
624 vptr = u->first_vacation;
625 u->first_vacation = u->first_vacation->next;
629 /* Save the config */
630 quickie_message("Citadel", NULL, u->config_roomname,
633 "Sieve configuration"
636 /* And delete the old one */
637 if (u->config_msgnum > 0) {
638 CtdlDeleteMessages(u->config_roomname, &u->config_msgnum, 1, "", 0);
645 * This is our callback registration table for libSieve.
647 sieve2_callback_t ctdl_sieve_callbacks[] = {
648 { SIEVE2_ACTION_REJECT, ctdl_reject },
649 { SIEVE2_ACTION_VACATION, ctdl_vacation },
650 { SIEVE2_ERRCALL_PARSE, ctdl_errparse },
651 { SIEVE2_ERRCALL_RUNTIME, ctdl_errexec },
652 { SIEVE2_ACTION_FILEINTO, ctdl_fileinto },
653 { SIEVE2_ACTION_REDIRECT, ctdl_redirect },
654 { SIEVE2_ACTION_DISCARD, ctdl_discard },
655 { SIEVE2_ACTION_KEEP, ctdl_keep },
656 { SIEVE2_SCRIPT_GETSCRIPT, ctdl_getscript },
657 { SIEVE2_DEBUG_TRACE, ctdl_debug },
658 { SIEVE2_MESSAGE_GETALLHEADERS, ctdl_getheaders },
659 { SIEVE2_MESSAGE_GETSIZE, ctdl_getsize },
661 * These actions are unsupported by Citadel so we don't declare them.
663 { SIEVE2_ACTION_NOTIFY, ctdl_notify },
664 { SIEVE2_MESSAGE_GETSUBADDRESS, ctdl_getsubaddress },
665 { SIEVE2_MESSAGE_GETENVELOPE, ctdl_getenvelope },
666 { SIEVE2_MESSAGE_GETBODY, ctdl_getbody },
674 * Perform sieve processing for a single room
676 void sieve_do_room(char *roomname) {
678 struct sdm_userdata u;
679 sieve2_context_t *sieve2_context = NULL; /* Context for sieve parser */
680 int res; /* Return code from libsieve calls */
681 long orig_lastproc = 0;
683 memset(&u, 0, sizeof u);
685 /* See if the user who owns this 'mailbox' has any Sieve scripts that
688 snprintf(u.config_roomname, sizeof u.config_roomname, "%010ld.%s", atol(roomname), SIEVERULES);
689 if (getroom(&CC->room, u.config_roomname) != 0) {
690 lprintf(CTDL_DEBUG, "<%s> does not exist. No processing is required.\n", u.config_roomname);
695 * Find the sieve scripts and control record and do something
697 u.config_msgnum = (-1);
698 CtdlForEachMessage(MSGS_LAST, 1, NULL, SIEVECONFIG, NULL,
699 get_sieve_config_backend, (void *)&u );
701 if (u.config_msgnum < 0) {
702 lprintf(CTDL_DEBUG, "No Sieve rules exist. No processing is required.\n");
706 lprintf(CTDL_DEBUG, "Rules found. Performing Sieve processing for <%s>\n", roomname);
708 if (getroom(&CC->room, roomname) != 0) {
709 lprintf(CTDL_CRIT, "ERROR: cannot load <%s>\n", roomname);
713 /* Initialize the Sieve parser */
715 res = sieve2_alloc(&sieve2_context);
716 if (res != SIEVE2_OK) {
717 lprintf(CTDL_CRIT, "sieve2_alloc() returned %d: %s\n", res, sieve2_errstr(res));
721 res = sieve2_callbacks(sieve2_context, ctdl_sieve_callbacks);
722 if (res != SIEVE2_OK) {
723 lprintf(CTDL_CRIT, "sieve2_callbacks() returned %d: %s\n", res, sieve2_errstr(res));
727 /* Validate the script */
729 struct ctdl_sieve my; /* dummy ctdl_sieve struct just to pass "u" slong */
730 memset(&my, 0, sizeof my);
732 res = sieve2_validate(sieve2_context, &my);
733 if (res != SIEVE2_OK) {
734 lprintf(CTDL_CRIT, "sieve2_validate() returned %d: %s\n", res, sieve2_errstr(res));
738 /* Do something useful */
739 u.sieve2_context = sieve2_context;
740 orig_lastproc = u.lastproc;
741 CtdlForEachMessage(MSGS_GT, u.lastproc, NULL, NULL, NULL,
747 res = sieve2_free(&sieve2_context);
748 if (res != SIEVE2_OK) {
749 lprintf(CTDL_CRIT, "sieve2_free() returned %d: %s\n", res, sieve2_errstr(res));
752 /* Rewrite the config if we have to */
753 if (u.lastproc > orig_lastproc) {
754 rewrite_ctdl_sieve_config(&u);
760 * Perform sieve processing for all rooms which require it
762 void perform_sieve_processing(void) {
763 struct RoomProcList *ptr = NULL;
765 if (sieve_list != NULL) {
766 lprintf(CTDL_DEBUG, "Begin Sieve processing\n");
767 while (sieve_list != NULL) {
768 char spoolroomname[ROOMNAMELEN];
769 safestrncpy(spoolroomname, sieve_list->name, sizeof spoolroomname);
770 begin_critical_section(S_SIEVELIST);
772 /* pop this record off the list */
774 sieve_list = sieve_list->next;
777 /* invalidate any duplicate entries to prevent double processing */
778 for (ptr=sieve_list; ptr!=NULL; ptr=ptr->next) {
779 if (!strcasecmp(ptr->name, spoolroomname)) {
784 end_critical_section(S_SIEVELIST);
785 if (spoolroomname[0] != 0) {
786 sieve_do_room(spoolroomname);
793 void msiv_load(struct sdm_userdata *u) {
794 char hold_rm[ROOMNAMELEN];
796 strcpy(hold_rm, CC->room.QRname); /* save current room */
798 /* Take a spin through the user's personal address book */
799 if (getroom(&CC->room, SIEVERULES) == 0) {
801 u->config_msgnum = (-1);
802 strcpy(u->config_roomname, CC->room.QRname);
803 CtdlForEachMessage(MSGS_LAST, 1, NULL, SIEVECONFIG, NULL,
804 get_sieve_config_backend, (void *)u );
808 if (strcmp(CC->room.QRname, hold_rm)) {
809 getroom(&CC->room, hold_rm); /* return to saved room */
813 void msiv_store(struct sdm_userdata *u) {
814 rewrite_ctdl_sieve_config(u);
819 * Select the active script.
820 * (Set script_name to an empty string to disable all scripts)
822 * Returns 0 on success or nonzero for error.
824 int msiv_setactive(struct sdm_userdata *u, char *script_name) {
826 struct sdm_script *s;
828 /* First see if the supplied value is ok */
830 if (strlen(script_name) == 0) {
834 for (s=u->first_script; s!=NULL; s=s->next) {
835 if (!strcasecmp(s->script_name, script_name)) {
843 /* Now set the active script */
844 for (s=u->first_script; s!=NULL; s=s->next) {
845 if (!strcasecmp(s->script_name, script_name)) {
846 s->script_active = 1;
849 s->script_active = 0;
858 * Fetch a script by name.
860 * Returns NULL if the named script was not found, or a pointer to the script
861 * if it was found. NOTE: the caller does *not* own the memory returned by
862 * this function. Copy it if you need to keep it.
864 char *msiv_getscript(struct sdm_userdata *u, char *script_name) {
865 struct sdm_script *s;
867 for (s=u->first_script; s!=NULL; s=s->next) {
868 if (!strcasecmp(s->script_name, script_name)) {
869 if (s->script_content != NULL) {
870 return (s->script_content);
880 * Delete a script by name.
882 * Returns 0 if the script was deleted.
883 * 1 if the script was not found.
884 * 2 if the script cannot be deleted because it is active.
886 int msiv_deletescript(struct sdm_userdata *u, char *script_name) {
887 struct sdm_script *s = NULL;
888 struct sdm_script *script_to_delete = NULL;
890 for (s=u->first_script; s!=NULL; s=s->next) {
891 if (!strcasecmp(s->script_name, script_name)) {
892 script_to_delete = s;
893 if (s->script_active) {
899 if (script_to_delete == NULL) return(1);
901 if (u->first_script == script_to_delete) {
902 u->first_script = u->first_script->next;
904 else for (s=u->first_script; s!=NULL; s=s->next) {
905 if (s->next == script_to_delete) {
906 s->next = s->next->next;
910 free(script_to_delete->script_content);
911 free(script_to_delete);
917 * Add or replace a new script.
918 * NOTE: after this function returns, "u" owns the memory that "script_content"
921 void msiv_putscript(struct sdm_userdata *u, char *script_name, char *script_content) {
923 struct sdm_script *s, *sptr;
925 for (s=u->first_script; s!=NULL; s=s->next) {
926 if (!strcasecmp(s->script_name, script_name)) {
927 if (s->script_content != NULL) {
928 free(s->script_content);
930 s->script_content = script_content;
936 sptr = malloc(sizeof(struct sdm_script));
937 safestrncpy(sptr->script_name, script_name, sizeof sptr->script_name);
938 sptr->script_content = script_content;
939 sptr->script_active = 0;
940 sptr->next = u->first_script;
941 u->first_script = sptr;
948 * Citadel protocol to manage sieve scripts.
949 * This is basically a simplified (read: doesn't resemble IMAP) version
950 * of the 'managesieve' protocol.
952 void cmd_msiv(char *argbuf) {
954 struct sdm_userdata u;
955 char script_name[256];
956 char *script_content = NULL;
957 struct sdm_script *s;
960 memset(&u, 0, sizeof(struct sdm_userdata));
962 if (CtdlAccessCheck(ac_logged_in)) return;
963 extract_token(subcmd, argbuf, 0, '|', sizeof subcmd);
966 if (!strcasecmp(subcmd, "putscript")) {
967 extract_token(script_name, argbuf, 1, '|', sizeof script_name);
968 if (strlen(script_name) > 0) {
969 cprintf("%d Transmit script now\n", SEND_LISTING);
970 script_content = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0);
971 msiv_putscript(&u, script_name, script_content);
974 cprintf("%d Invalid script name.\n", ERROR + ILLEGAL_VALUE);
978 else if (!strcasecmp(subcmd, "listscripts")) {
979 cprintf("%d Scripts:\n", LISTING_FOLLOWS);
980 for (s=u.first_script; s!=NULL; s=s->next) {
981 if (s->script_content != NULL) {
982 cprintf("%s|%d|\n", s->script_name, s->script_active);
988 else if (!strcasecmp(subcmd, "setactive")) {
989 extract_token(script_name, argbuf, 1, '|', sizeof script_name);
990 if (msiv_setactive(&u, script_name) == 0) {
991 cprintf("%d ok\n", CIT_OK);
994 cprintf("%d Script '%s' does not exist.\n",
995 ERROR + ILLEGAL_VALUE,
1001 else if (!strcasecmp(subcmd, "getscript")) {
1002 extract_token(script_name, argbuf, 1, '|', sizeof script_name);
1003 script_content = msiv_getscript(&u, script_name);
1004 if (script_content != NULL) {
1005 cprintf("%d Script:\n", SEND_LISTING);
1006 cprintf("%s000\n", script_content);
1009 cprintf("%d Invalid script name.\n", ERROR + ILLEGAL_VALUE);
1013 else if (!strcasecmp(subcmd, "deletescript")) {
1014 extract_token(script_name, argbuf, 1, '|', sizeof script_name);
1015 i = msiv_deletescript(&u, script_name);
1017 cprintf("%d ok\n", CIT_OK);
1020 cprintf("%d Script '%s' does not exist.\n",
1021 ERROR + ILLEGAL_VALUE,
1026 cprintf("%d Script '%s' is active and cannot be deleted.\n",
1027 ERROR + ILLEGAL_VALUE,
1032 cprintf("%d unknown error\n", ERROR);
1037 cprintf("%d Invalid subcommand\n", ERROR + CMD_NOT_SUPPORTED);
1045 void ctdl_sieve_init(void) {
1047 sieve2_context_t *sieve2_context = NULL;
1051 * We don't really care about dumping the entire credits to the log
1052 * every time the server is initialized. The documentation will suffice
1053 * for that purpose. We are making a call to sieve2_credits() in order
1054 * to demonstrate that we have successfully linked in to libsieve.
1056 cred = strdup(sieve2_credits());
1057 if (cred == NULL) return;
1059 if (strlen(cred) > 60) {
1060 strcpy(&cred[55], "...");
1063 lprintf(CTDL_INFO, "%s\n",cred);
1066 /* Briefly initialize a Sieve parser instance just so we can list the
1067 * extensions that are available.
1069 res = sieve2_alloc(&sieve2_context);
1070 if (res != SIEVE2_OK) {
1071 lprintf(CTDL_CRIT, "sieve2_alloc() returned %d: %s\n", res, sieve2_errstr(res));
1075 res = sieve2_callbacks(sieve2_context, ctdl_sieve_callbacks);
1076 if (res != SIEVE2_OK) {
1077 lprintf(CTDL_CRIT, "sieve2_callbacks() returned %d: %s\n", res, sieve2_errstr(res));
1081 msiv_extensions = strdup(sieve2_listextensions(sieve2_context));
1082 lprintf(CTDL_INFO, "Extensions: %s\n", msiv_extensions);
1084 BAIL: res = sieve2_free(&sieve2_context);
1085 if (res != SIEVE2_OK) {
1086 lprintf(CTDL_CRIT, "sieve2_free() returned %d: %s\n", res, sieve2_errstr(res));
1093 char *serv_sieve_init(void)
1096 CtdlRegisterProtoHook(cmd_msiv, "MSIV", "Manage Sieve scripts");
1097 return "$Id: serv_sieve.c 3850 2005-09-13 14:00:24Z ajc $";
1100 #else /* HAVE_LIBSIEVE */
1102 char *serv_sieve_init(void)
1104 lprintf(CTDL_INFO, "This server is missing libsieve. Mailbox filtering will be disabled.\n");
1105 return "$Id: serv_sieve.c 3850 2005-09-13 14:00:24Z ajc $";
1108 #endif /* HAVE_LIBSIEVE */