2 * Implements the message store.
4 * Copyright (c) 1987-2015 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 3.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
18 #include <libcitadel.h>
22 #include "ctdl_module.h"
23 #include "citserver.h"
26 #include "clientsocket.h"
31 #include "internet_addressing.h"
32 #include "euidindex.h"
34 #include "journaling.h"
36 struct addresses_to_be_filed *atbf = NULL;
38 /* This temp file holds the queue of operations for AdjRefCount() */
39 static FILE *arcfp = NULL;
40 void AdjRefCountList(long *msgnum, long nmsg, int incr);
42 int MessageDebugEnabled = 0;
45 * These are the four-character field headers we use when outputting
46 * messages in Citadel format (as opposed to RFC822 format).
49 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
50 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
51 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
52 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
53 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
54 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
55 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
56 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
86 eMsgField FieldOrder[] = {
87 /* Important fields */
98 /* Semi-important fields */
104 /* G is not used yet, may become virus signature*/
107 /* Q is not used yet */
110 /* X is not used yet */
111 /* Z is not used yet */
118 /* Message text (MUST be last) */
120 /* Not saved to disk:
125 static const long NDiskFields = sizeof(FieldOrder) / sizeof(eMsgField);
127 int CM_IsEmpty(struct CtdlMessage *Msg, eMsgField which)
129 return !((Msg->cm_fields[which] != NULL) &&
130 (Msg->cm_fields[which][0] != '\0'));
133 void CM_SetField(struct CtdlMessage *Msg, eMsgField which, const char *buf, long length)
135 if (Msg->cm_fields[which] != NULL)
136 free (Msg->cm_fields[which]);
137 Msg->cm_fields[which] = malloc(length + 1);
138 memcpy(Msg->cm_fields[which], buf, length);
139 Msg->cm_fields[which][length] = '\0';
140 Msg->cm_lengths[which] = length;
143 void CM_SetFieldLONG(struct CtdlMessage *Msg, eMsgField which, long lvalue)
147 len = snprintf(buf, sizeof(buf), "%ld", lvalue);
148 CM_SetField(Msg, which, buf, len);
150 void CM_CutFieldAt(struct CtdlMessage *Msg, eMsgField WhichToCut, long maxlen)
152 if (Msg->cm_fields[WhichToCut] == NULL)
155 if (Msg->cm_lengths[WhichToCut] > maxlen)
157 Msg->cm_fields[WhichToCut][maxlen] = '\0';
158 Msg->cm_lengths[WhichToCut] = maxlen;
162 void CM_FlushField(struct CtdlMessage *Msg, eMsgField which)
164 if (Msg->cm_fields[which] != NULL)
165 free (Msg->cm_fields[which]);
166 Msg->cm_fields[which] = NULL;
167 Msg->cm_lengths[which] = 0;
169 void CM_Flush(struct CtdlMessage *Msg)
173 if (CM_IsValidMsg(Msg) == 0)
176 for (i = 0; i < 256; ++i)
178 CM_FlushField(Msg, i);
182 void CM_CopyField(struct CtdlMessage *Msg, eMsgField WhichToPutTo, eMsgField WhichtToCopy)
185 if (Msg->cm_fields[WhichToPutTo] != NULL)
186 free (Msg->cm_fields[WhichToPutTo]);
188 if (Msg->cm_fields[WhichtToCopy] != NULL)
190 len = Msg->cm_lengths[WhichtToCopy];
191 Msg->cm_fields[WhichToPutTo] = malloc(len + 1);
192 memcpy(Msg->cm_fields[WhichToPutTo], Msg->cm_fields[WhichtToCopy], len);
193 Msg->cm_fields[WhichToPutTo][len] = '\0';
194 Msg->cm_lengths[WhichToPutTo] = len;
198 Msg->cm_fields[WhichToPutTo] = NULL;
199 Msg->cm_lengths[WhichToPutTo] = 0;
204 void CM_PrependToField(struct CtdlMessage *Msg, eMsgField which, const char *buf, long length)
206 if (Msg->cm_fields[which] != NULL) {
211 oldmsgsize = Msg->cm_lengths[which] + 1;
212 newmsgsize = length + oldmsgsize;
214 new = malloc(newmsgsize);
215 memcpy(new, buf, length);
216 memcpy(new + length, Msg->cm_fields[which], oldmsgsize);
217 free(Msg->cm_fields[which]);
218 Msg->cm_fields[which] = new;
219 Msg->cm_lengths[which] = newmsgsize - 1;
222 Msg->cm_fields[which] = malloc(length + 1);
223 memcpy(Msg->cm_fields[which], buf, length);
224 Msg->cm_fields[which][length] = '\0';
225 Msg->cm_lengths[which] = length;
229 void CM_SetAsField(struct CtdlMessage *Msg, eMsgField which, char **buf, long length)
231 if (Msg->cm_fields[which] != NULL)
232 free (Msg->cm_fields[which]);
234 Msg->cm_fields[which] = *buf;
236 Msg->cm_lengths[which] = length;
239 void CM_SetAsFieldSB(struct CtdlMessage *Msg, eMsgField which, StrBuf **buf)
241 if (Msg->cm_fields[which] != NULL)
242 free (Msg->cm_fields[which]);
244 Msg->cm_lengths[which] = StrLength(*buf);
245 Msg->cm_fields[which] = SmashStrBuf(buf);
248 void CM_GetAsField(struct CtdlMessage *Msg, eMsgField which, char **ret, long *retlen)
250 if (Msg->cm_fields[which] != NULL)
252 *retlen = Msg->cm_lengths[which];
253 *ret = Msg->cm_fields[which];
254 Msg->cm_fields[which] = NULL;
255 Msg->cm_lengths[which] = 0;
265 * Returns 1 if the supplied pointer points to a valid Citadel message.
266 * If the pointer is NULL or the magic number check fails, returns 0.
268 int CM_IsValidMsg(struct CtdlMessage *msg) {
271 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
272 struct CitContext *CCC = CC;
273 MSGM_syslog(LOG_WARNING, "CM_IsValidMsg() -- self-check failed\n");
279 void CM_FreeContents(struct CtdlMessage *msg)
283 for (i = 0; i < 256; ++i)
284 if (msg->cm_fields[i] != NULL) {
285 free(msg->cm_fields[i]);
286 msg->cm_lengths[i] = 0;
289 msg->cm_magic = 0; /* just in case */
292 * 'Destructor' for struct CtdlMessage
294 void CM_Free(struct CtdlMessage *msg)
296 if (CM_IsValidMsg(msg) == 0)
298 if (msg != NULL) free (msg);
301 CM_FreeContents(msg);
305 int CM_DupField(eMsgField i, struct CtdlMessage *OrgMsg, struct CtdlMessage *NewMsg)
308 len = OrgMsg->cm_lengths[i];
309 NewMsg->cm_fields[i] = malloc(len + 1);
310 if (NewMsg->cm_fields[i] == NULL)
312 memcpy(NewMsg->cm_fields[i], OrgMsg->cm_fields[i], len);
313 NewMsg->cm_fields[i][len] = '\0';
314 NewMsg->cm_lengths[i] = len;
318 struct CtdlMessage * CM_Duplicate(struct CtdlMessage *OrgMsg)
321 struct CtdlMessage *NewMsg;
323 if (CM_IsValidMsg(OrgMsg) == 0)
325 NewMsg = (struct CtdlMessage *)malloc(sizeof(struct CtdlMessage));
329 memcpy(NewMsg, OrgMsg, sizeof(struct CtdlMessage));
331 memset(&NewMsg->cm_fields, 0, sizeof(char*) * 256);
333 for (i = 0; i < 256; ++i)
335 if (OrgMsg->cm_fields[i] != NULL)
337 if (!CM_DupField(i, OrgMsg, NewMsg))
352 /* Determine if a given message matches the fields in a message template.
353 * Return 0 for a successful match.
355 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
358 /* If there aren't any fields in the template, all messages will
361 if (template == NULL) return(0);
363 /* Null messages are bogus. */
364 if (msg == NULL) return(1);
366 for (i='A'; i<='Z'; ++i) {
367 if (template->cm_fields[i] != NULL) {
368 if (msg->cm_fields[i] == NULL) {
369 /* Considered equal if temmplate is empty string */
370 if (IsEmptyStr(template->cm_fields[i])) continue;
373 if ((template->cm_lengths[i] != msg->cm_lengths[i]) ||
374 (strcasecmp(msg->cm_fields[i], template->cm_fields[i])))
379 /* All compares succeeded: we have a match! */
386 * Retrieve the "seen" message list for the current room.
388 void CtdlGetSeen(char *buf, int which_set) {
389 struct CitContext *CCC = CC;
392 /* Learn about the user and room in question */
393 CtdlGetRelationship(&vbuf, &CCC->user, &CCC->room);
395 if (which_set == ctdlsetseen_seen)
396 safestrncpy(buf, vbuf.v_seen, SIZ);
397 if (which_set == ctdlsetseen_answered)
398 safestrncpy(buf, vbuf.v_answered, SIZ);
404 * Manipulate the "seen msgs" string (or other message set strings)
406 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
407 int target_setting, int which_set,
408 struct ctdluser *which_user, struct ctdlroom *which_room) {
409 struct CitContext *CCC = CC;
410 struct cdbdata *cdbfr;
415 long hi = (-1L); /// TODO: we just write here. y?
424 char *is_set; /* actually an array of booleans */
426 /* Don't bother doing *anything* if we were passed a list of zero messages */
427 if (num_target_msgnums < 1) {
431 /* If no room was specified, we go with the current room. */
433 which_room = &CCC->room;
436 /* If no user was specified, we go with the current user. */
438 which_user = &CCC->user;
441 MSG_syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
442 num_target_msgnums, target_msgnums[0],
443 (target_setting ? "SET" : "CLEAR"),
447 /* Learn about the user and room in question */
448 CtdlGetRelationship(&vbuf, which_user, which_room);
450 /* Load the message list */
451 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
453 msglist = (long *) cdbfr->ptr;
454 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
455 num_msgs = cdbfr->len / sizeof(long);
458 return; /* No messages at all? No further action. */
461 is_set = malloc(num_msgs * sizeof(char));
462 memset(is_set, 0, (num_msgs * sizeof(char)) );
464 /* Decide which message set we're manipulating */
466 case ctdlsetseen_seen:
467 vset = NewStrBufPlain(vbuf.v_seen, -1);
469 case ctdlsetseen_answered:
470 vset = NewStrBufPlain(vbuf.v_answered, -1);
477 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
478 MSG_syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
479 for (i=0; i<num_msgs; ++i) {
480 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
482 MSG_syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
483 for (k=0; k<num_target_msgnums; ++k) {
484 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
488 MSG_syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
490 /* Translate the existing sequence set into an array of booleans */
491 setstr = NewStrBuf();
495 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
497 StrBufExtract_token(lostr, setstr, 0, ':');
498 if (StrBufNum_tokens(setstr, ':') >= 2) {
499 StrBufExtract_token(histr, setstr, 1, ':');
503 StrBufAppendBuf(histr, lostr, 0);
506 if (!strcmp(ChrPtr(histr), "*")) {
513 for (i = 0; i < num_msgs; ++i) {
514 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
524 /* Now translate the array of booleans back into a sequence set */
530 for (i=0; i<num_msgs; ++i) {
534 for (k=0; k<num_target_msgnums; ++k) {
535 if (msglist[i] == target_msgnums[k]) {
536 is_seen = target_setting;
540 if ((was_seen == 0) && (is_seen == 1)) {
543 else if ((was_seen == 1) && (is_seen == 0)) {
546 if (StrLength(vset) > 0) {
547 StrBufAppendBufPlain(vset, HKEY(","), 0);
550 StrBufAppendPrintf(vset, "%ld", hi);
553 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
557 if ((is_seen) && (i == num_msgs - 1)) {
558 if (StrLength(vset) > 0) {
559 StrBufAppendBufPlain(vset, HKEY(","), 0);
561 if ((i==0) || (was_seen == 0)) {
562 StrBufAppendPrintf(vset, "%ld", msglist[i]);
565 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
573 * We will have to stuff this string back into a 4096 byte buffer, so if it's
574 * larger than that now, truncate it by removing tokens from the beginning.
575 * The limit of 100 iterations is there to prevent an infinite loop in case
576 * something unexpected happens.
578 int number_of_truncations = 0;
579 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
580 StrBufRemove_token(vset, 0, ',');
581 ++number_of_truncations;
585 * If we're truncating the sequence set of messages marked with the 'seen' flag,
586 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
587 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
589 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
591 first_tok = NewStrBuf();
592 StrBufExtract_token(first_tok, vset, 0, ',');
593 StrBufRemove_token(vset, 0, ',');
595 if (StrBufNum_tokens(first_tok, ':') > 1) {
596 StrBufRemove_token(first_tok, 0, ':');
600 new_set = NewStrBuf();
601 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
602 StrBufAppendBuf(new_set, first_tok, 0);
603 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
604 StrBufAppendBuf(new_set, vset, 0);
607 FreeStrBuf(&first_tok);
611 MSG_syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
613 /* Decide which message set we're manipulating */
615 case ctdlsetseen_seen:
616 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
618 case ctdlsetseen_answered:
619 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
625 CtdlSetRelationship(&vbuf, which_user, which_room);
631 * API function to perform an operation for each qualifying message in the
632 * current room. (Returns the number of messages processed.)
634 int CtdlForEachMessage(int mode, long ref, char *search_string,
636 struct CtdlMessage *compare,
637 ForEachMsgCallback CallBack,
640 struct CitContext *CCC = CC;
643 struct cdbdata *cdbfr;
644 long *msglist = NULL;
646 int num_processed = 0;
649 struct CtdlMessage *msg = NULL;
652 int printed_lastold = 0;
653 int num_search_msgs = 0;
654 long *search_msgs = NULL;
656 int need_to_free_re = 0;
659 if ((content_type) && (!IsEmptyStr(content_type))) {
660 regcomp(&re, content_type, 0);
664 /* Learn about the user and room in question */
665 if (server_shutting_down) {
666 if (need_to_free_re) regfree(&re);
669 CtdlGetUser(&CCC->user, CCC->curr_user);
671 if (server_shutting_down) {
672 if (need_to_free_re) regfree(&re);
675 CtdlGetRelationship(&vbuf, &CCC->user, &CCC->room);
677 if (server_shutting_down) {
678 if (need_to_free_re) regfree(&re);
682 /* Load the message list */
683 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
685 if (need_to_free_re) regfree(&re);
686 return 0; /* No messages at all? No further action. */
689 msglist = (long *) cdbfr->ptr;
690 num_msgs = cdbfr->len / sizeof(long);
692 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
693 cdb_free(cdbfr); /* we own this memory now */
696 * Now begin the traversal.
698 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
700 /* If the caller is looking for a specific MIME type, filter
701 * out all messages which are not of the type requested.
703 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
705 /* This call to GetMetaData() sits inside this loop
706 * so that we only do the extra database read per msg
707 * if we need to. Doing the extra read all the time
708 * really kills the server. If we ever need to use
709 * metadata for another search criterion, we need to
710 * move the read somewhere else -- but still be smart
711 * enough to only do the read if the caller has
712 * specified something that will need it.
714 if (server_shutting_down) {
715 if (need_to_free_re) regfree(&re);
719 GetMetaData(&smi, msglist[a]);
721 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
722 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
728 num_msgs = sort_msglist(msglist, num_msgs);
730 /* If a template was supplied, filter out the messages which
731 * don't match. (This could induce some delays!)
734 if (compare != NULL) {
735 for (a = 0; a < num_msgs; ++a) {
736 if (server_shutting_down) {
737 if (need_to_free_re) regfree(&re);
741 msg = CtdlFetchMessage(msglist[a], 1, 1);
743 if (CtdlMsgCmp(msg, compare)) {
752 /* If a search string was specified, get a message list from
753 * the full text index and remove messages which aren't on both
757 * Since the lists are sorted and strictly ascending, and the
758 * output list is guaranteed to be shorter than or equal to the
759 * input list, we overwrite the bottom of the input list. This
760 * eliminates the need to memmove big chunks of the list over and
763 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
765 /* Call search module via hook mechanism.
766 * NULL means use any search function available.
767 * otherwise replace with a char * to name of search routine
769 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
771 if (num_search_msgs > 0) {
775 orig_num_msgs = num_msgs;
777 for (i=0; i<orig_num_msgs; ++i) {
778 for (j=0; j<num_search_msgs; ++j) {
779 if (msglist[i] == search_msgs[j]) {
780 msglist[num_msgs++] = msglist[i];
786 num_msgs = 0; /* No messages qualify */
788 if (search_msgs != NULL) free(search_msgs);
790 /* Now that we've purged messages which don't contain the search
791 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
798 * Now iterate through the message list, according to the
799 * criteria supplied by the caller.
802 for (a = 0; a < num_msgs; ++a) {
803 if (server_shutting_down) {
804 if (need_to_free_re) regfree(&re);
806 return num_processed;
808 thismsg = msglist[a];
809 if (mode == MSGS_ALL) {
813 is_seen = is_msg_in_sequence_set(
814 vbuf.v_seen, thismsg);
815 if (is_seen) lastold = thismsg;
821 || ((mode == MSGS_OLD) && (is_seen))
822 || ((mode == MSGS_NEW) && (!is_seen))
823 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
824 || ((mode == MSGS_FIRST) && (a < ref))
825 || ((mode == MSGS_GT) && (thismsg > ref))
826 || ((mode == MSGS_LT) && (thismsg < ref))
827 || ((mode == MSGS_EQ) && (thismsg == ref))
830 if ((mode == MSGS_NEW) && (CCC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
832 CallBack(lastold, userdata);
836 if (CallBack) CallBack(thismsg, userdata);
840 if (need_to_free_re) regfree(&re);
843 * We cache the most recent msglist in order to do security checks later
845 if (CCC->client_socket > 0) {
846 if (CCC->cached_msglist != NULL) {
847 free(CCC->cached_msglist);
849 CCC->cached_msglist = msglist;
850 CCC->cached_num_msgs = num_msgs;
856 return num_processed;
862 * memfmout() - Citadel text formatter and paginator.
863 * Although the original purpose of this routine was to format
864 * text to the reader's screen width, all we're really using it
865 * for here is to format text out to 80 columns before sending it
866 * to the client. The client software may reformat it again.
869 char *mptr, /* where are we going to get our text from? */
870 const char *nl /* string to terminate lines with */
872 struct CitContext *CCC = CC;
874 unsigned char ch = 0;
881 while (ch=*(mptr++), ch != 0) {
884 if (client_write(outbuf, len) == -1)
886 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
890 if (client_write(nl, nllen) == -1)
892 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
897 else if (ch == '\r') {
898 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
900 else if (isspace(ch)) {
901 if (column > 72) { /* Beyond 72 columns, break on the next space */
902 if (client_write(outbuf, len) == -1)
904 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
908 if (client_write(nl, nllen) == -1)
910 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
923 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
924 if (client_write(outbuf, len) == -1)
926 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
930 if (client_write(nl, nllen) == -1)
932 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
940 if (client_write(outbuf, len) == -1)
942 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
945 client_write(nl, nllen);
953 * Callback function for mime parser that simply lists the part
955 void list_this_part(char *name, char *filename, char *partnum, char *disp,
956 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
957 char *cbid, void *cbuserdata)
961 ma = (struct ma_info *)cbuserdata;
962 if (ma->is_ma == 0) {
963 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
976 * Callback function for multipart prefix
978 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
979 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
980 char *cbid, void *cbuserdata)
984 ma = (struct ma_info *)cbuserdata;
985 if (!strcasecmp(cbtype, "multipart/alternative")) {
989 if (ma->is_ma == 0) {
990 cprintf("pref=%s|%s\n", partnum, cbtype);
995 * Callback function for multipart sufffix
997 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
998 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
999 char *cbid, void *cbuserdata)
1003 ma = (struct ma_info *)cbuserdata;
1004 if (ma->is_ma == 0) {
1005 cprintf("suff=%s|%s\n", partnum, cbtype);
1007 if (!strcasecmp(cbtype, "multipart/alternative")) {
1014 * Callback function for mime parser that opens a section for downloading
1015 * we use serv_files function here:
1017 extern void OpenCmdResult(char *filename, const char *mime_type);
1018 void mime_download(char *name, char *filename, char *partnum, char *disp,
1019 void *content, char *cbtype, char *cbcharset, size_t length,
1020 char *encoding, char *cbid, void *cbuserdata)
1023 CitContext *CCC = MyContext();
1025 /* Silently go away if there's already a download open. */
1026 if (CCC->download_fp != NULL)
1030 (!IsEmptyStr(partnum) && (!strcasecmp(CCC->download_desired_section, partnum)))
1031 || (!IsEmptyStr(cbid) && (!strcasecmp(CCC->download_desired_section, cbid)))
1033 CCC->download_fp = tmpfile();
1034 if (CCC->download_fp == NULL) {
1035 MSG_syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1037 cprintf("%d cannot open temporary file: %s\n",
1038 ERROR + INTERNAL_ERROR, strerror(errno));
1042 rv = fwrite(content, length, 1, CCC->download_fp);
1044 MSG_syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1046 cprintf("%d unable to write tempfile.\n",
1048 fclose(CCC->download_fp);
1049 CCC->download_fp = NULL;
1052 fflush(CCC->download_fp);
1053 rewind(CCC->download_fp);
1055 OpenCmdResult(filename, cbtype);
1062 * Callback function for mime parser that outputs a section all at once.
1063 * We can specify the desired section by part number *or* content-id.
1065 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1066 void *content, char *cbtype, char *cbcharset, size_t length,
1067 char *encoding, char *cbid, void *cbuserdata)
1069 int *found_it = (int *)cbuserdata;
1072 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1073 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1076 cprintf("%d %d|-1|%s|%s|%s\n",
1083 client_write(content, length);
1087 struct CtdlMessage *CtdlDeserializeMessage(long msgnum, int with_body, const char *Buffer, long Length)
1089 struct CitContext *CCC = CC;
1090 struct CtdlMessage *ret = NULL;
1092 const char *upper_bound;
1094 cit_uint8_t field_header;
1098 upper_bound = Buffer + Length;
1100 /* Parse the three bytes that begin EVERY message on disk.
1101 * The first is always 0xFF, the on-disk magic number.
1102 * The second is the anonymous/public type byte.
1103 * The third is the format type byte (vari, fixed, or MIME).
1107 MSG_syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1110 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1111 memset(ret, 0, sizeof(struct CtdlMessage));
1113 ret->cm_magic = CTDLMESSAGE_MAGIC;
1114 ret->cm_anon_type = *mptr++; /* Anon type byte */
1115 ret->cm_format_type = *mptr++; /* Format type byte */
1118 * The rest is zero or more arbitrary fields. Load them in.
1119 * We're done when we encounter either a zero-length field or
1120 * have just processed the 'M' (message text) field.
1123 field_header = '\0';
1126 /* work around possibly buggy messages: */
1127 while (field_header == '\0')
1129 if (mptr >= upper_bound) {
1132 field_header = *mptr++;
1134 if (mptr >= upper_bound) {
1137 which = field_header;
1140 CM_SetField(ret, which, mptr, len);
1142 mptr += len + 1; /* advance to next field */
1144 } while ((mptr < upper_bound) && (field_header != 'M'));
1151 * Load a message from disk into memory.
1152 * This is used by CtdlOutputMsg() and other fetch functions.
1154 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1155 * using the CtdlMessageFree() function.
1157 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body, int run_msg_hooks)
1159 struct CitContext *CCC = CC;
1160 struct cdbdata *dmsgtext;
1161 struct CtdlMessage *ret = NULL;
1163 MSG_syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1164 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1165 if (dmsgtext == NULL) {
1166 MSG_syslog(LOG_ERR, "CtdlFetchMessage(%ld, %d) Failed!\n", msgnum, with_body);
1170 if (dmsgtext->ptr[dmsgtext->len - 1] != '\0')
1172 MSG_syslog(LOG_ERR, "CtdlFetchMessage(%ld, %d) Forcefully terminating message!!\n", msgnum, with_body);
1173 dmsgtext->ptr[dmsgtext->len - 1] = '\0';
1176 ret = CtdlDeserializeMessage(msgnum, with_body, dmsgtext->ptr, dmsgtext->len);
1184 /* Always make sure there's something in the msg text field. If
1185 * it's NULL, the message text is most likely stored separately,
1186 * so go ahead and fetch that. Failing that, just set a dummy
1187 * body so other code doesn't barf.
1189 if ( (CM_IsEmpty(ret, eMesageText)) && (with_body) ) {
1190 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1191 if (dmsgtext != NULL) {
1192 CM_SetAsField(ret, eMesageText, &dmsgtext->ptr, dmsgtext->len - 1);
1196 if (CM_IsEmpty(ret, eMesageText)) {
1197 CM_SetField(ret, eMesageText, HKEY("\r\n\r\n (no text)\r\n"));
1200 /* Perform "before read" hooks (aborting if any return nonzero) */
1201 if (run_msg_hooks && (PerformMessageHooks(ret, NULL, EVT_BEFOREREAD) > 0)) {
1212 * Pre callback function for multipart/alternative
1214 * NOTE: this differs from the standard behavior for a reason. Normally when
1215 * displaying multipart/alternative you want to show the _last_ usable
1216 * format in the message. Here we show the _first_ one, because it's
1217 * usually text/plain. Since this set of functions is designed for text
1218 * output to non-MIME-aware clients, this is the desired behavior.
1221 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1222 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1223 char *cbid, void *cbuserdata)
1225 struct CitContext *CCC = CC;
1228 ma = (struct ma_info *)cbuserdata;
1229 MSG_syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1230 if (!strcasecmp(cbtype, "multipart/alternative")) {
1234 if (!strcasecmp(cbtype, "message/rfc822")) {
1240 * Post callback function for multipart/alternative
1242 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1243 void *content, char *cbtype, char *cbcharset, size_t length,
1244 char *encoding, char *cbid, void *cbuserdata)
1246 struct CitContext *CCC = CC;
1249 ma = (struct ma_info *)cbuserdata;
1250 MSG_syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1251 if (!strcasecmp(cbtype, "multipart/alternative")) {
1255 if (!strcasecmp(cbtype, "message/rfc822")) {
1261 * Inline callback function for mime parser that wants to display text
1263 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1264 void *content, char *cbtype, char *cbcharset, size_t length,
1265 char *encoding, char *cbid, void *cbuserdata)
1267 struct CitContext *CCC = CC;
1273 ma = (struct ma_info *)cbuserdata;
1275 MSG_syslog(LOG_DEBUG,
1276 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1277 partnum, filename, cbtype, (long)length);
1280 * If we're in the middle of a multipart/alternative scope and
1281 * we've already printed another section, skip this one.
1283 if ( (ma->is_ma) && (ma->did_print) ) {
1284 MSG_syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1289 if ( (!strcasecmp(cbtype, "text/plain"))
1290 || (IsEmptyStr(cbtype)) ) {
1293 client_write(wptr, length);
1294 if (wptr[length-1] != '\n') {
1301 if (!strcasecmp(cbtype, "text/html")) {
1302 ptr = html_to_ascii(content, length, 80, 0);
1304 client_write(ptr, wlen);
1305 if ((wlen > 0) && (ptr[wlen-1] != '\n')) {
1312 if (ma->use_fo_hooks) {
1313 if (PerformFixedOutputHooks(cbtype, content, length)) {
1314 /* above function returns nonzero if it handled the part */
1319 if (strncasecmp(cbtype, "multipart/", 10)) {
1320 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1321 partnum, filename, cbtype, (long)length);
1327 * The client is elegant and sophisticated and wants to be choosy about
1328 * MIME content types, so figure out which multipart/alternative part
1329 * we're going to send.
1331 * We use a system of weights. When we find a part that matches one of the
1332 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1333 * and then set ma->chosen_pref to that MIME type's position in our preference
1334 * list. If we then hit another match, we only replace the first match if
1335 * the preference value is lower.
1337 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1338 void *content, char *cbtype, char *cbcharset, size_t length,
1339 char *encoding, char *cbid, void *cbuserdata)
1341 struct CitContext *CCC = CC;
1346 ma = (struct ma_info *)cbuserdata;
1348 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1349 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1350 // I don't know if there are any side effects! Please TEST TEST TEST
1351 //if (ma->is_ma > 0) {
1353 for (i=0; i<num_tokens(CCC->preferred_formats, '|'); ++i) {
1354 extract_token(buf, CCC->preferred_formats, i, '|', sizeof buf);
1355 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1356 if (i < ma->chosen_pref) {
1357 MSG_syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1358 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1359 ma->chosen_pref = i;
1366 * Now that we've chosen our preferred part, output it.
1368 void output_preferred(char *name,
1380 struct CitContext *CCC = CC;
1383 int add_newline = 0;
1386 char *decoded = NULL;
1387 size_t bytes_decoded;
1390 ma = (struct ma_info *)cbuserdata;
1392 /* This is not the MIME part you're looking for... */
1393 if (strcasecmp(partnum, ma->chosen_part)) return;
1395 /* If the content-type of this part is in our preferred formats
1396 * list, we can simply output it verbatim.
1398 for (i=0; i<num_tokens(CCC->preferred_formats, '|'); ++i) {
1399 extract_token(buf, CCC->preferred_formats, i, '|', sizeof buf);
1400 if (!strcasecmp(buf, cbtype)) {
1401 /* Yeah! Go! W00t!! */
1402 if (ma->dont_decode == 0)
1403 rc = mime_decode_now (content,
1409 break; /* Give us the chance, maybe theres another one. */
1411 if (rc == 0) text_content = (char *)content;
1413 text_content = decoded;
1414 length = bytes_decoded;
1417 if (text_content[length-1] != '\n') {
1420 cprintf("Content-type: %s", cbtype);
1421 if (!IsEmptyStr(cbcharset)) {
1422 cprintf("; charset=%s", cbcharset);
1424 cprintf("\nContent-length: %d\n",
1425 (int)(length + add_newline) );
1426 if (!IsEmptyStr(encoding)) {
1427 cprintf("Content-transfer-encoding: %s\n", encoding);
1430 cprintf("Content-transfer-encoding: 7bit\n");
1432 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1434 if (client_write(text_content, length) == -1)
1436 MSGM_syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1439 if (add_newline) cprintf("\n");
1440 if (decoded != NULL) free(decoded);
1445 /* No translations required or possible: output as text/plain */
1446 cprintf("Content-type: text/plain\n\n");
1448 if (ma->dont_decode == 0)
1449 rc = mime_decode_now (content,
1455 return; /* Give us the chance, maybe theres another one. */
1457 if (rc == 0) text_content = (char *)content;
1459 text_content = decoded;
1460 length = bytes_decoded;
1463 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1464 length, encoding, cbid, cbuserdata);
1465 if (decoded != NULL) free(decoded);
1470 char desired_section[64];
1477 * Callback function for
1479 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1480 void *content, char *cbtype, char *cbcharset, size_t length,
1481 char *encoding, char *cbid, void *cbuserdata)
1483 struct encapmsg *encap;
1485 encap = (struct encapmsg *)cbuserdata;
1487 /* Only proceed if this is the desired section... */
1488 if (!strcasecmp(encap->desired_section, partnum)) {
1489 encap->msglen = length;
1490 encap->msg = malloc(length + 2);
1491 memcpy(encap->msg, content, length);
1498 * Determine whether the specified message exists in the cached_msglist
1499 * (This is a security check)
1501 int check_cached_msglist(long msgnum) {
1502 struct CitContext *CCC = CC;
1504 /* cases in which we skip the check */
1505 if (!CCC) return om_ok; /* not a session */
1506 if (CCC->client_socket <= 0) return om_ok; /* not a client session */
1507 if (CCC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1508 if (CCC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1511 /* Do a binary search within the cached_msglist for the requested msgnum */
1513 int max = (CC->cached_num_msgs - 1);
1515 while (max >= min) {
1516 int middle = min + (max-min) / 2 ;
1517 if (msgnum == CCC->cached_msglist[middle]) {
1520 if (msgnum > CC->cached_msglist[middle]) {
1528 return om_access_denied;
1534 * Get a message off disk. (returns om_* values found in msgbase.h)
1537 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1538 int mode, /* how would you like that message? */
1539 int headers_only, /* eschew the message body? */
1540 int do_proto, /* do Citadel protocol responses? */
1541 int crlf, /* Use CRLF newlines instead of LF? */
1542 char *section, /* NULL or a message/rfc822 section */
1543 int flags, /* various flags; see msgbase.h */
1548 struct CitContext *CCC = CC;
1549 struct CtdlMessage *TheMessage = NULL;
1550 int retcode = CIT_OK;
1551 struct encapmsg encap;
1554 MSG_syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1556 (section ? section : "<>")
1559 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1562 if (r == om_not_logged_in) {
1563 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1566 cprintf("%d An unknown error has occurred.\n", ERROR);
1573 * Check to make sure the message is actually IN this room
1575 r = check_cached_msglist(msg_num);
1576 if (r == om_access_denied) {
1577 /* Not in the cache? We get ONE shot to check it again. */
1578 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1579 r = check_cached_msglist(msg_num);
1582 MSG_syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1583 msg_num, CCC->room.QRname
1586 if (r == om_access_denied) {
1587 cprintf("%d message %ld was not found in this room\n",
1588 ERROR + HIGHER_ACCESS_REQUIRED,
1597 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1598 * request that we don't even bother loading the body into memory.
1600 if (headers_only == HEADERS_FAST) {
1601 TheMessage = CtdlFetchMessage(msg_num, 0, 1);
1604 TheMessage = CtdlFetchMessage(msg_num, 1, 1);
1607 if (TheMessage == NULL) {
1608 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1609 ERROR + MESSAGE_NOT_FOUND, msg_num);
1610 return(om_no_such_msg);
1613 /* Here is the weird form of this command, to process only an
1614 * encapsulated message/rfc822 section.
1616 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1617 memset(&encap, 0, sizeof encap);
1618 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1619 mime_parser(CM_RANGE(TheMessage, eMesageText),
1620 *extract_encapsulated_message,
1621 NULL, NULL, (void *)&encap, 0
1624 if ((Author != NULL) && (*Author == NULL))
1627 CM_GetAsField(TheMessage, eAuthor, Author, &len);
1629 if ((Address != NULL) && (*Address == NULL))
1632 CM_GetAsField(TheMessage, erFc822Addr, Address, &len);
1634 if ((MessageID != NULL) && (*MessageID == NULL))
1637 CM_GetAsField(TheMessage, emessageId, MessageID, &len);
1639 CM_Free(TheMessage);
1643 encap.msg[encap.msglen] = 0;
1644 TheMessage = convert_internet_message(encap.msg);
1645 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1647 /* Now we let it fall through to the bottom of this
1648 * function, because TheMessage now contains the
1649 * encapsulated message instead of the top-level
1650 * message. Isn't that neat?
1655 cprintf("%d msg %ld has no part %s\n",
1656 ERROR + MESSAGE_NOT_FOUND,
1660 retcode = om_no_such_msg;
1665 /* Ok, output the message now */
1666 if (retcode == CIT_OK)
1667 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1668 if ((Author != NULL) && (*Author == NULL))
1671 CM_GetAsField(TheMessage, eAuthor, Author, &len);
1673 if ((Address != NULL) && (*Address == NULL))
1676 CM_GetAsField(TheMessage, erFc822Addr, Address, &len);
1678 if ((MessageID != NULL) && (*MessageID == NULL))
1681 CM_GetAsField(TheMessage, emessageId, MessageID, &len);
1684 CM_Free(TheMessage);
1691 void OutputCtdlMsgHeaders(
1692 struct CtdlMessage *TheMessage,
1693 int do_proto) /* do Citadel protocol responses? */
1698 char display_name[256];
1700 /* begin header processing loop for Citadel message format */
1701 safestrncpy(display_name, "<unknown>", sizeof display_name);
1702 if (!CM_IsEmpty(TheMessage, eAuthor)) {
1703 strcpy(buf, TheMessage->cm_fields[eAuthor]);
1704 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1705 safestrncpy(display_name, "****", sizeof display_name);
1707 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1708 safestrncpy(display_name, "anonymous", sizeof display_name);
1711 safestrncpy(display_name, buf, sizeof display_name);
1713 if ((is_room_aide())
1714 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1715 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1716 size_t tmp = strlen(display_name);
1717 snprintf(&display_name[tmp],
1718 sizeof display_name - tmp,
1723 /* Don't show Internet address for users on the
1724 * local Citadel network.
1727 if (!CM_IsEmpty(TheMessage, eNodeName) &&
1728 (haschar(TheMessage->cm_fields[eNodeName], '.') == 0))
1733 /* Now spew the header fields in the order we like them. */
1734 for (i=0; i< NDiskFields; ++i) {
1736 Field = FieldOrder[i];
1737 if (Field != eMesageText) {
1738 if ( (!CM_IsEmpty(TheMessage, Field))
1739 && (msgkeys[Field] != NULL) ) {
1740 if ((Field == eenVelopeTo) ||
1741 (Field == eRecipient) ||
1742 (Field == eCarbonCopY)) {
1743 sanitize_truncated_recipient(TheMessage->cm_fields[Field]);
1745 if (Field == eAuthor) {
1746 if (do_proto) cprintf("%s=%s\n",
1750 else if ((Field == erFc822Addr) && (suppress_f)) {
1753 /* Masquerade display name if needed */
1755 if (do_proto) cprintf("%s=%s\n",
1757 TheMessage->cm_fields[Field]
1766 void OutputRFC822MsgHeaders(
1767 struct CtdlMessage *TheMessage,
1768 int flags, /* should the bessage be exported clean */
1769 const char *nl, int nlen,
1770 char *mid, long sizeof_mid,
1771 char *suser, long sizeof_suser,
1772 char *luser, long sizeof_luser,
1773 char *fuser, long sizeof_fuser,
1774 char *snode, long sizeof_snode)
1776 char datestamp[100];
1777 int subject_found = 0;
1784 for (i = 0; i < NDiskFields; ++i) {
1785 if (TheMessage->cm_fields[FieldOrder[i]]) {
1786 mptr = mpptr = TheMessage->cm_fields[FieldOrder[i]];
1787 switch (FieldOrder[i]) {
1789 safestrncpy(luser, mptr, sizeof_luser);
1790 safestrncpy(suser, mptr, sizeof_suser);
1793 if ((flags & QP_EADDR) != 0) {
1794 mptr = qp_encode_email_addrs(mptr);
1796 sanitize_truncated_recipient(mptr);
1797 cprintf("CC: %s%s", mptr, nl);
1800 cprintf("Return-Path: %s%s", mptr, nl);
1803 cprintf("List-ID: %s%s", mptr, nl);
1806 if ((flags & QP_EADDR) != 0)
1807 mptr = qp_encode_email_addrs(mptr);
1809 while ((*hptr != '\0') && isspace(*hptr))
1811 if (!IsEmptyStr(hptr))
1812 cprintf("Envelope-To: %s%s", hptr, nl);
1815 cprintf("Subject: %s%s", mptr, nl);
1819 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1822 safestrncpy(fuser, mptr, sizeof_fuser);
1823 /* case eOriginalRoom:
1824 cprintf("X-Citadel-Room: %s%s",
1829 safestrncpy(snode, mptr, sizeof_snode);
1832 if (haschar(mptr, '@') == 0)
1834 sanitize_truncated_recipient(mptr);
1835 cprintf("To: %s@%s", mptr, CtdlGetConfigStr("c_fqdn"));
1840 if ((flags & QP_EADDR) != 0) {
1841 mptr = qp_encode_email_addrs(mptr);
1843 sanitize_truncated_recipient(mptr);
1844 cprintf("To: %s", mptr);
1849 datestring(datestamp, sizeof datestamp,
1850 atol(mptr), DATESTRING_RFC822);
1851 cprintf("Date: %s%s", datestamp, nl);
1854 cprintf("References: ");
1855 k = num_tokens(mptr, '|');
1856 for (j=0; j<k; ++j) {
1857 extract_token(buf, mptr, j, '|', sizeof buf);
1858 cprintf("<%s>", buf);
1869 while ((*hptr != '\0') && isspace(*hptr))
1871 if (!IsEmptyStr(hptr))
1872 cprintf("Reply-To: %s%s", mptr, nl);
1888 /* these don't map to mime message headers. */
1896 if (subject_found == 0) {
1897 cprintf("Subject: (no subject)%s", nl);
1902 void Dump_RFC822HeadersBody(
1903 struct CtdlMessage *TheMessage,
1904 int headers_only, /* eschew the message body? */
1905 int flags, /* should the bessage be exported clean? */
1907 const char *nl, int nlen)
1909 cit_uint8_t prev_ch;
1911 const char *StartOfText = StrBufNOTNULL;
1914 int nllen = strlen(nl);
1918 mptr = TheMessage->cm_fields[eMesageText];
1922 while (*mptr != '\0') {
1923 if (*mptr == '\r') {
1930 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
1932 eoh = *(mptr+1) == '\n';
1936 StartOfText = strchr(StartOfText, '\n');
1937 StartOfText = strchr(StartOfText, '\n');
1940 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
1941 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
1942 ((headers_only != HEADERS_NONE) &&
1943 (headers_only != HEADERS_ONLY))
1945 if (*mptr == '\n') {
1946 memcpy(&outbuf[outlen], nl, nllen);
1948 outbuf[outlen] = '\0';
1951 outbuf[outlen++] = *mptr;
1955 if (flags & ESC_DOT)
1957 if ((prev_ch == '\n') &&
1959 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
1961 outbuf[outlen++] = '.';
1966 if (outlen > 1000) {
1967 if (client_write(outbuf, outlen) == -1)
1969 struct CitContext *CCC = CC;
1970 MSGM_syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
1973 lfSent = (outbuf[outlen - 1] == '\n');
1978 client_write(outbuf, outlen);
1979 lfSent = (outbuf[outlen - 1] == '\n');
1982 client_write(nl, nlen);
1987 /* If the format type on disk is 1 (fixed-format), then we want
1988 * everything to be output completely literally ... regardless of
1989 * what message transfer format is in use.
1991 void DumpFormatFixed(
1992 struct CtdlMessage *TheMessage,
1993 int mode, /* how would you like that message? */
1994 const char *nl, int nllen)
2002 mptr = TheMessage->cm_fields[eMesageText];
2004 if (mode == MT_MIME) {
2005 cprintf("Content-type: text/plain\n\n");
2009 while (ch = *mptr++, ch > 0) {
2013 if ((buflen > 250) && (!xlline)){
2017 while ((buflen > 0) &&
2018 (!isspace(buf[buflen])))
2024 mptr -= tbuflen - buflen;
2029 /* if we reach the outer bounds of our buffer,
2030 abort without respect what whe purge. */
2033 (buflen > SIZ - nllen - 2)))
2037 memcpy (&buf[buflen], nl, nllen);
2041 if (client_write(buf, buflen) == -1)
2043 struct CitContext *CCC = CC;
2044 MSGM_syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2056 if (!IsEmptyStr(buf))
2057 cprintf("%s%s", buf, nl);
2061 * Get a message off disk. (returns om_* values found in msgbase.h)
2063 int CtdlOutputPreLoadedMsg(
2064 struct CtdlMessage *TheMessage,
2065 int mode, /* how would you like that message? */
2066 int headers_only, /* eschew the message body? */
2067 int do_proto, /* do Citadel protocol responses? */
2068 int crlf, /* Use CRLF newlines instead of LF? */
2069 int flags /* should the bessage be exported clean? */
2071 struct CitContext *CCC = CC;
2073 const char *nl; /* newline string */
2077 /* Buffers needed for RFC822 translation. These are all filled
2078 * using functions that are bounds-checked, and therefore we can
2079 * make them substantially smaller than SIZ.
2087 MSG_syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2088 ((TheMessage == NULL) ? "NULL" : "not null"),
2089 mode, headers_only, do_proto, crlf);
2091 strcpy(mid, "unknown");
2092 nl = (crlf ? "\r\n" : "\n");
2093 nlen = crlf ? 2 : 1;
2095 if (!CM_IsValidMsg(TheMessage)) {
2096 MSGM_syslog(LOG_ERR,
2097 "ERROR: invalid preloaded message for output\n");
2099 return(om_no_such_msg);
2102 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2103 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2105 if ( (flags & SUPPRESS_ENV_TO) && (!CM_IsEmpty(TheMessage, eenVelopeTo)) ) {
2106 memset(TheMessage->cm_fields[eenVelopeTo], ' ', TheMessage->cm_lengths[eenVelopeTo]);
2109 /* Are we downloading a MIME component? */
2110 if (mode == MT_DOWNLOAD) {
2111 if (TheMessage->cm_format_type != FMT_RFC822) {
2113 cprintf("%d This is not a MIME message.\n",
2114 ERROR + ILLEGAL_VALUE);
2115 } else if (CCC->download_fp != NULL) {
2116 if (do_proto) cprintf(
2117 "%d You already have a download open.\n",
2118 ERROR + RESOURCE_BUSY);
2120 /* Parse the message text component */
2121 mime_parser(CM_RANGE(TheMessage, eMesageText),
2122 *mime_download, NULL, NULL, NULL, 0);
2123 /* If there's no file open by this time, the requested
2124 * section wasn't found, so print an error
2126 if (CCC->download_fp == NULL) {
2127 if (do_proto) cprintf(
2128 "%d Section %s not found.\n",
2129 ERROR + FILE_NOT_FOUND,
2130 CCC->download_desired_section);
2133 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2136 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2137 * in a single server operation instead of opening a download file.
2139 if (mode == MT_SPEW_SECTION) {
2140 if (TheMessage->cm_format_type != FMT_RFC822) {
2142 cprintf("%d This is not a MIME message.\n",
2143 ERROR + ILLEGAL_VALUE);
2145 /* Parse the message text component */
2148 mime_parser(CM_RANGE(TheMessage, eMesageText),
2149 *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2150 /* If section wasn't found, print an error
2153 if (do_proto) cprintf(
2154 "%d Section %s not found.\n",
2155 ERROR + FILE_NOT_FOUND,
2156 CCC->download_desired_section);
2159 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2162 /* now for the user-mode message reading loops */
2163 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2165 /* Does the caller want to skip the headers? */
2166 if (headers_only == HEADERS_NONE) goto START_TEXT;
2168 /* Tell the client which format type we're using. */
2169 if ( (mode == MT_CITADEL) && (do_proto) ) {
2170 cprintf("type=%d\n", TheMessage->cm_format_type);
2173 /* nhdr=yes means that we're only displaying headers, no body */
2174 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2175 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2178 cprintf("nhdr=yes\n");
2181 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2182 OutputCtdlMsgHeaders(TheMessage, do_proto);
2185 /* begin header processing loop for RFC822 transfer format */
2189 memcpy(snode, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")) + 1);
2190 if (mode == MT_RFC822)
2191 OutputRFC822MsgHeaders(
2196 suser, sizeof(suser),
2197 luser, sizeof(luser),
2198 fuser, sizeof(fuser),
2199 snode, sizeof(snode)
2203 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2204 suser[i] = tolower(suser[i]);
2205 if (!isalnum(suser[i])) suser[i]='_';
2208 if (mode == MT_RFC822) {
2209 if (!strcasecmp(snode, NODENAME)) {
2210 safestrncpy(snode, FQDN, sizeof snode);
2213 /* Construct a fun message id */
2214 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2215 if (strchr(mid, '@')==NULL) {
2216 cprintf("@%s", snode);
2220 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2221 cprintf("From: \"----\" <x@x.org>%s", nl);
2223 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2224 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2226 else if (!IsEmptyStr(fuser)) {
2227 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2230 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2233 /* Blank line signifying RFC822 end-of-headers */
2234 if (TheMessage->cm_format_type != FMT_RFC822) {
2239 /* end header processing loop ... at this point, we're in the text */
2241 if (headers_only == HEADERS_FAST) goto DONE;
2243 /* Tell the client about the MIME parts in this message */
2244 if (TheMessage->cm_format_type == FMT_RFC822) {
2245 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2246 memset(&ma, 0, sizeof(struct ma_info));
2247 mime_parser(CM_RANGE(TheMessage, eMesageText),
2248 (do_proto ? *list_this_part : NULL),
2249 (do_proto ? *list_this_pref : NULL),
2250 (do_proto ? *list_this_suff : NULL),
2253 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2254 Dump_RFC822HeadersBody(
2263 if (headers_only == HEADERS_ONLY) {
2267 /* signify start of msg text */
2268 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2269 if (do_proto) cprintf("text\n");
2272 if (TheMessage->cm_format_type == FMT_FIXED)
2275 mode, /* how would you like that message? */
2278 /* If the message on disk is format 0 (Citadel vari-format), we
2279 * output using the formatter at 80 columns. This is the final output
2280 * form if the transfer format is RFC822, but if the transfer format
2281 * is Citadel proprietary, it'll still work, because the indentation
2282 * for new paragraphs is correct and the client will reformat the
2283 * message to the reader's screen width.
2285 if (TheMessage->cm_format_type == FMT_CITADEL) {
2286 if (mode == MT_MIME) {
2287 cprintf("Content-type: text/x-citadel-variformat\n\n");
2289 memfmout(TheMessage->cm_fields[eMesageText], nl);
2292 /* If the message on disk is format 4 (MIME), we've gotta hand it
2293 * off to the MIME parser. The client has already been told that
2294 * this message is format 1 (fixed format), so the callback function
2295 * we use will display those parts as-is.
2297 if (TheMessage->cm_format_type == FMT_RFC822) {
2298 memset(&ma, 0, sizeof(struct ma_info));
2300 if (mode == MT_MIME) {
2301 ma.use_fo_hooks = 0;
2302 strcpy(ma.chosen_part, "1");
2303 ma.chosen_pref = 9999;
2304 ma.dont_decode = CCC->msg4_dont_decode;
2305 mime_parser(CM_RANGE(TheMessage, eMesageText),
2306 *choose_preferred, *fixed_output_pre,
2307 *fixed_output_post, (void *)&ma, 1);
2308 mime_parser(CM_RANGE(TheMessage, eMesageText),
2309 *output_preferred, NULL, NULL, (void *)&ma, 1);
2312 ma.use_fo_hooks = 1;
2313 mime_parser(CM_RANGE(TheMessage, eMesageText),
2314 *fixed_output, *fixed_output_pre,
2315 *fixed_output_post, (void *)&ma, 0);
2320 DONE: /* now we're done */
2321 if (do_proto) cprintf("000\n");
2326 * Save one or more message pointers into a specified room
2327 * (Returns 0 for success, nonzero for failure)
2328 * roomname may be NULL to use the current room
2330 * Note that the 'supplied_msg' field may be set to NULL, in which case
2331 * the message will be fetched from disk, by number, if we need to perform
2332 * replication checks. This adds an additional database read, so if the
2333 * caller already has the message in memory then it should be supplied. (Obviously
2334 * this mode of operation only works if we're saving a single message.)
2336 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2337 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2339 struct CitContext *CCC = CC;
2341 char hold_rm[ROOMNAMELEN];
2342 struct cdbdata *cdbfr;
2345 long highest_msg = 0L;
2348 struct CtdlMessage *msg = NULL;
2350 long *msgs_to_be_merged = NULL;
2351 int num_msgs_to_be_merged = 0;
2353 MSG_syslog(LOG_DEBUG,
2354 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2355 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2358 strcpy(hold_rm, CCC->room.QRname);
2361 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2362 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2363 if (num_newmsgs > 1) supplied_msg = NULL;
2365 /* Now the regular stuff */
2366 if (CtdlGetRoomLock(&CCC->room,
2367 ((roomname != NULL) ? roomname : CCC->room.QRname) )
2369 MSG_syslog(LOG_ERR, "No such room <%s>\n", roomname);
2370 return(ERROR + ROOM_NOT_FOUND);
2374 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2375 num_msgs_to_be_merged = 0;
2378 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
2379 if (cdbfr == NULL) {
2383 msglist = (long *) cdbfr->ptr;
2384 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2385 num_msgs = cdbfr->len / sizeof(long);
2390 /* Create a list of msgid's which were supplied by the caller, but do
2391 * not already exist in the target room. It is absolutely taboo to
2392 * have more than one reference to the same message in a room.
2394 for (i=0; i<num_newmsgs; ++i) {
2396 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2397 if (msglist[j] == newmsgidlist[i]) {
2402 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2406 MSG_syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2409 * Now merge the new messages
2411 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2412 if (msglist == NULL) {
2413 MSGM_syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2414 free(msgs_to_be_merged);
2415 return (ERROR + INTERNAL_ERROR);
2417 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2418 num_msgs += num_msgs_to_be_merged;
2420 /* Sort the message list, so all the msgid's are in order */
2421 num_msgs = sort_msglist(msglist, num_msgs);
2423 /* Determine the highest message number */
2424 highest_msg = msglist[num_msgs - 1];
2426 /* Write it back to disk. */
2427 cdb_store(CDB_MSGLISTS, &CCC->room.QRnumber, (int)sizeof(long),
2428 msglist, (int)(num_msgs * sizeof(long)));
2430 /* Free up the memory we used. */
2433 /* Update the highest-message pointer and unlock the room. */
2434 CCC->room.QRhighest = highest_msg;
2435 CtdlPutRoomLock(&CCC->room);
2437 /* Perform replication checks if necessary */
2438 if ( (DoesThisRoomNeedEuidIndexing(&CCC->room)) && (do_repl_check) ) {
2439 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2441 for (i=0; i<num_msgs_to_be_merged; ++i) {
2442 msgid = msgs_to_be_merged[i];
2444 if (supplied_msg != NULL) {
2448 msg = CtdlFetchMessage(msgid, 0, 1);
2452 ReplicationChecks(msg);
2454 /* If the message has an Exclusive ID, index that... */
2455 if (!CM_IsEmpty(msg, eExclusiveID)) {
2456 index_message_by_euid(msg->cm_fields[eExclusiveID], &CCC->room, msgid);
2459 /* Free up the memory we may have allocated */
2460 if (msg != supplied_msg) {
2469 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2472 /* Submit this room for processing by hooks */
2473 PerformRoomHooks(&CCC->room);
2475 /* Go back to the room we were in before we wandered here... */
2476 CtdlGetRoom(&CCC->room, hold_rm);
2478 /* Bump the reference count for all messages which were merged */
2479 if (!suppress_refcount_adj) {
2480 AdjRefCountList(msgs_to_be_merged, num_msgs_to_be_merged, +1);
2483 /* Free up memory... */
2484 if (msgs_to_be_merged != NULL) {
2485 free(msgs_to_be_merged);
2488 /* Return success. */
2494 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2497 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2498 int do_repl_check, struct CtdlMessage *supplied_msg)
2500 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2507 * Message base operation to save a new message to the message store
2508 * (returns new message number)
2510 * This is the back end for CtdlSubmitMsg() and should not be directly
2511 * called by server-side modules.
2514 long CtdlSaveThisMessage(struct CtdlMessage *msg, long msgid, int Reply) {
2515 struct CitContext *CCC = CC;
2523 * If the message is big, set its body aside for storage elsewhere
2524 * and we hide the message body from the serializer
2526 if (!CM_IsEmpty(msg, eMesageText) && msg->cm_lengths[eMesageText] > BIGMSG)
2529 holdM = msg->cm_fields[eMesageText];
2530 msg->cm_fields[eMesageText] = NULL;
2531 holdMLen = msg->cm_lengths[eMesageText];
2532 msg->cm_lengths[eMesageText] = 0;
2535 /* Serialize our data structure for storage in the database */
2536 CtdlSerializeMessage(&smr, msg);
2539 /* put the message body back into the message */
2540 msg->cm_fields[eMesageText] = holdM;
2541 msg->cm_lengths[eMesageText] = holdMLen;
2546 cprintf("%d Unable to serialize message\n",
2547 ERROR + INTERNAL_ERROR);
2550 MSGM_syslog(LOG_ERR, "CtdlSaveMessage() unable to serialize message");
2556 /* Write our little bundle of joy into the message base */
2557 retval = cdb_store(CDB_MSGMAIN, &msgid, (int)sizeof(long),
2560 MSG_syslog(LOG_ERR, "Can't store message %ld: %ld", msgid, retval);
2564 retval = cdb_store(CDB_BIGMSGS,
2571 MSG_syslog(LOG_ERR, "failed to store message body for msgid %ld: %ld",
2577 /* Free the memory we used for the serialized message */
2583 long send_message(struct CtdlMessage *msg) {
2589 /* Get a new message number */
2590 newmsgid = get_new_message_number();
2592 /* Generate an ID if we don't have one already */
2593 if (CM_IsEmpty(msg, emessageId)) {
2594 msgidbuflen = snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2595 (long unsigned int) time(NULL),
2596 (long unsigned int) newmsgid,
2597 CtdlGetConfigStr("c_fqdn")
2600 CM_SetField(msg, emessageId, msgidbuf, msgidbuflen);
2603 retval = CtdlSaveThisMessage(msg, newmsgid, 1);
2609 /* Return the *local* message ID to the caller
2610 * (even if we're storing an incoming network message)
2618 * Serialize a struct CtdlMessage into the format used on disk and network.
2620 * This function loads up a "struct ser_ret" (defined in server.h) which
2621 * contains the length of the serialized message and a pointer to the
2622 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2624 void CtdlSerializeMessage(struct ser_ret *ret, /* return values */
2625 struct CtdlMessage *msg) /* unserialized msg */
2627 struct CitContext *CCC = CC;
2632 * Check for valid message format
2634 if (CM_IsValidMsg(msg) == 0) {
2635 MSGM_syslog(LOG_ERR, "CtdlSerializeMessage() aborting due to invalid message\n");
2642 for (i=0; i < NDiskFields; ++i)
2643 if (msg->cm_fields[FieldOrder[i]] != NULL)
2644 ret->len += msg->cm_lengths[FieldOrder[i]] + 2;
2646 ret->ser = malloc(ret->len);
2647 if (ret->ser == NULL) {
2648 MSG_syslog(LOG_ERR, "CtdlSerializeMessage() malloc(%ld) failed: %s\n",
2649 (long)ret->len, strerror(errno));
2656 ret->ser[1] = msg->cm_anon_type;
2657 ret->ser[2] = msg->cm_format_type;
2660 for (i=0; i < NDiskFields; ++i)
2661 if (msg->cm_fields[FieldOrder[i]] != NULL)
2663 ret->ser[wlen++] = (char)FieldOrder[i];
2665 memcpy(&ret->ser[wlen],
2666 msg->cm_fields[FieldOrder[i]],
2667 msg->cm_lengths[FieldOrder[i]] + 1);
2669 wlen = wlen + msg->cm_lengths[FieldOrder[i]] + 1;
2672 if (ret->len != wlen) {
2673 MSG_syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2674 (long)ret->len, (long)wlen);
2682 * Check to see if any messages already exist in the current room which
2683 * carry the same Exclusive ID as this one. If any are found, delete them.
2685 void ReplicationChecks(struct CtdlMessage *msg) {
2686 struct CitContext *CCC = CC;
2687 long old_msgnum = (-1L);
2689 if (DoesThisRoomNeedEuidIndexing(&CCC->room) == 0) return;
2691 MSG_syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2694 /* No exclusive id? Don't do anything. */
2695 if (msg == NULL) return;
2696 if (CM_IsEmpty(msg, eExclusiveID)) return;
2698 /*MSG_syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2699 msg->cm_fields[eExclusiveID], CCC->room.QRname);*/
2701 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields[eExclusiveID], &CCC->room);
2702 if (old_msgnum > 0L) {
2703 MSG_syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2704 CtdlDeleteMessages(CCC->room.QRname, &old_msgnum, 1, "");
2711 * Save a message to disk and submit it into the delivery system.
2713 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2714 recptypes *recps, /* recipients (if mail) */
2715 const char *force, /* force a particular room? */
2716 int flags /* should the message be exported clean? */
2719 char hold_rm[ROOMNAMELEN];
2720 char actual_rm[ROOMNAMELEN];
2721 char force_room[ROOMNAMELEN];
2722 char content_type[SIZ]; /* We have to learn this */
2723 char recipient[SIZ];
2724 char bounce_to[1024];
2727 const char *mptr = NULL;
2728 struct ctdluser userbuf;
2730 struct MetaData smi;
2731 char *collected_addresses = NULL;
2732 struct addresses_to_be_filed *aptr = NULL;
2733 StrBuf *saved_rfc822_version = NULL;
2734 int qualified_for_journaling = 0;
2735 CitContext *CCC = MyContext();
2737 MSGM_syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
2738 if (CM_IsValidMsg(msg) == 0) return(-1); /* self check */
2740 /* If this message has no timestamp, we take the liberty of
2741 * giving it one, right now.
2743 if (CM_IsEmpty(msg, eTimestamp)) {
2744 CM_SetFieldLONG(msg, eTimestamp, time(NULL));
2747 /* If this message has no path, we generate one.
2749 if (CM_IsEmpty(msg, eMessagePath)) {
2750 if (!CM_IsEmpty(msg, eAuthor)) {
2751 CM_CopyField(msg, eMessagePath, eAuthor);
2752 for (a=0; !IsEmptyStr(&msg->cm_fields[eMessagePath][a]); ++a) {
2753 if (isspace(msg->cm_fields[eMessagePath][a])) {
2754 msg->cm_fields[eMessagePath][a] = ' ';
2759 CM_SetField(msg, eMessagePath, HKEY("unknown"));
2763 if (force == NULL) {
2764 force_room[0] = '\0';
2767 strcpy(force_room, force);
2770 /* Learn about what's inside, because it's what's inside that counts */
2771 if (CM_IsEmpty(msg, eMesageText)) {
2772 MSGM_syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
2776 switch (msg->cm_format_type) {
2778 strcpy(content_type, "text/x-citadel-variformat");
2781 strcpy(content_type, "text/plain");
2784 strcpy(content_type, "text/plain");
2785 mptr = bmstrcasestr(msg->cm_fields[eMesageText], "Content-type:");
2788 safestrncpy(content_type, &mptr[13], sizeof content_type);
2789 striplt(content_type);
2790 aptr = content_type;
2791 while (!IsEmptyStr(aptr)) {
2803 /* Goto the correct room */
2804 room = (recps) ? CCC->room.QRname : SENTITEMS;
2805 MSG_syslog(LOG_DEBUG, "Selected room %s\n", room);
2806 strcpy(hold_rm, CCC->room.QRname);
2807 strcpy(actual_rm, CCC->room.QRname);
2808 if (recps != NULL) {
2809 strcpy(actual_rm, SENTITEMS);
2812 /* If the user is a twit, move to the twit room for posting */
2814 if (CCC->user.axlevel == AxProbU) {
2815 strcpy(hold_rm, actual_rm);
2816 strcpy(actual_rm, CtdlGetConfigStr("c_twitroom"));
2817 MSGM_syslog(LOG_DEBUG, "Diverting to twit room\n");
2821 /* ...or if this message is destined for Aide> then go there. */
2822 if (!IsEmptyStr(force_room)) {
2823 strcpy(actual_rm, force_room);
2826 MSG_syslog(LOG_INFO, "Final selection: %s (%s)\n", actual_rm, room);
2827 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2828 /* CtdlGetRoom(&CCC->room, actual_rm); */
2829 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL, NULL, NULL);
2833 * If this message has no O (room) field, generate one.
2835 if (CM_IsEmpty(msg, eOriginalRoom)) {
2836 CM_SetField(msg, eOriginalRoom, CCC->room.QRname, strlen(CCC->room.QRname));
2839 /* Perform "before save" hooks (aborting if any return nonzero) */
2840 MSGM_syslog(LOG_DEBUG, "Performing before-save hooks\n");
2841 if (PerformMessageHooks(msg, recps, EVT_BEFORESAVE) > 0) return(-3);
2844 * If this message has an Exclusive ID, and the room is replication
2845 * checking enabled, then do replication checks.
2847 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2848 ReplicationChecks(msg);
2851 /* Save it to disk */
2852 MSGM_syslog(LOG_DEBUG, "Saving to disk\n");
2853 newmsgid = send_message(msg);
2854 if (newmsgid <= 0L) return(-5);
2856 /* Write a supplemental message info record. This doesn't have to
2857 * be a critical section because nobody else knows about this message
2860 MSGM_syslog(LOG_DEBUG, "Creating MetaData record\n");
2861 memset(&smi, 0, sizeof(struct MetaData));
2862 smi.meta_msgnum = newmsgid;
2863 smi.meta_refcount = 0;
2864 safestrncpy(smi.meta_content_type, content_type,
2865 sizeof smi.meta_content_type);
2868 * Measure how big this message will be when rendered as RFC822.
2869 * We do this for two reasons:
2870 * 1. We need the RFC822 length for the new metadata record, so the
2871 * POP and IMAP services don't have to calculate message lengths
2872 * while the user is waiting (multiplied by potentially hundreds
2873 * or thousands of messages).
2874 * 2. If journaling is enabled, we will need an RFC822 version of the
2875 * message to attach to the journalized copy.
2877 if (CCC->redirect_buffer != NULL) {
2878 MSGM_syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2881 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
2882 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2883 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
2884 saved_rfc822_version = CCC->redirect_buffer;
2885 CCC->redirect_buffer = NULL;
2889 /* Now figure out where to store the pointers */
2890 MSGM_syslog(LOG_DEBUG, "Storing pointers\n");
2892 /* If this is being done by the networker delivering a private
2893 * message, we want to BYPASS saving the sender's copy (because there
2894 * is no local sender; it would otherwise go to the Trashcan).
2896 if ((!CCC->internal_pgm) || (recps == NULL)) {
2897 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2898 MSGM_syslog(LOG_ERR, "ERROR saving message pointer!\n");
2899 CtdlSaveMsgPointerInRoom(CtdlGetConfigStr("c_aideroom"), newmsgid, 0, msg);
2903 /* For internet mail, drop a copy in the outbound queue room */
2904 if ((recps != NULL) && (recps->num_internet > 0)) {
2905 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2908 /* If other rooms are specified, drop them there too. */
2909 if ((recps != NULL) && (recps->num_room > 0))
2910 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2911 extract_token(recipient, recps->recp_room, i,
2912 '|', sizeof recipient);
2913 MSG_syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);///// xxxx
2914 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2917 /* Bump this user's messages posted counter. */
2918 MSGM_syslog(LOG_DEBUG, "Updating user\n");
2919 CtdlLockGetCurrentUser();
2920 CCC->user.posted = CCC->user.posted + 1;
2921 CtdlPutCurrentUserLock();
2923 /* Decide where bounces need to be delivered */
2924 if ((recps != NULL) && (recps->bounce_to == NULL))
2927 snprintf(bounce_to, sizeof bounce_to, "%s@%s",
2928 CCC->user.fullname, CtdlGetConfigStr("c_nodename"));
2930 snprintf(bounce_to, sizeof bounce_to, "%s@%s",
2931 msg->cm_fields[eAuthor], msg->cm_fields[eNodeName]);
2932 recps->bounce_to = bounce_to;
2935 CM_SetFieldLONG(msg, eVltMsgNum, newmsgid);
2938 /* If this is private, local mail, make a copy in the
2939 * recipient's mailbox and bump the reference count.
2941 if ((recps != NULL) && (recps->num_local > 0))
2946 pch = recps->recp_local;
2947 recps->recp_local = recipient;
2948 ntokens = num_tokens(pch, '|');
2949 for (i=0; i<ntokens; ++i)
2951 extract_token(recipient, pch, i, '|', sizeof recipient);
2952 MSG_syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n", recipient);
2953 if (CtdlGetUser(&userbuf, recipient) == 0) {
2954 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2955 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2956 CtdlBumpNewMailCounter(userbuf.usernum);
2957 PerformMessageHooks(msg, recps, EVT_AFTERUSRMBOXSAVE);
2960 MSG_syslog(LOG_DEBUG, "No user <%s>\n", recipient);
2961 CtdlSaveMsgPointerInRoom(CtdlGetConfigStr("c_aideroom"), newmsgid, 0, msg);
2964 recps->recp_local = pch;
2967 /* Perform "after save" hooks */
2968 MSGM_syslog(LOG_DEBUG, "Performing after-save hooks\n");
2970 PerformMessageHooks(msg, recps, EVT_AFTERSAVE);
2971 CM_FlushField(msg, eVltMsgNum);
2973 /* Go back to the room we started from */
2974 MSG_syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
2975 if (strcasecmp(hold_rm, CCC->room.QRname))
2976 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL, NULL, NULL);
2979 * Any addresses to harvest for someone's address book?
2981 if ( (CCC->logged_in) && (recps != NULL) ) {
2982 collected_addresses = harvest_collected_addresses(msg);
2985 if (collected_addresses != NULL) {
2986 aptr = (struct addresses_to_be_filed *)
2987 malloc(sizeof(struct addresses_to_be_filed));
2988 CtdlMailboxName(actual_rm, sizeof actual_rm,
2989 &CCC->user, USERCONTACTSROOM);
2990 aptr->roomname = strdup(actual_rm);
2991 aptr->collected_addresses = collected_addresses;
2992 begin_critical_section(S_ATBF);
2995 end_critical_section(S_ATBF);
2999 * Determine whether this message qualifies for journaling.
3001 if (!CM_IsEmpty(msg, eJournal)) {
3002 qualified_for_journaling = 0;
3005 if (recps == NULL) {
3006 qualified_for_journaling = CtdlGetConfigInt("c_journal_pubmsgs");
3008 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3009 qualified_for_journaling = CtdlGetConfigInt("c_journal_email");
3012 qualified_for_journaling = CtdlGetConfigInt("c_journal_pubmsgs");
3017 * Do we have to perform journaling? If so, hand off the saved
3018 * RFC822 version will be handed off to the journaler for background
3019 * submit. Otherwise, we have to free the memory ourselves.
3021 if (saved_rfc822_version != NULL) {
3022 if (qualified_for_journaling) {
3023 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3026 FreeStrBuf(&saved_rfc822_version);
3030 if ((recps != NULL) && (recps->bounce_to == bounce_to))
3031 recps->bounce_to = NULL;
3039 * Convenience function for generating small administrative messages.
3041 void quickie_message(const char *from,
3042 const char *fromaddr,
3047 const char *subject)
3049 struct CtdlMessage *msg;
3050 recptypes *recp = NULL;
3052 msg = malloc(sizeof(struct CtdlMessage));
3053 memset(msg, 0, sizeof(struct CtdlMessage));
3054 msg->cm_magic = CTDLMESSAGE_MAGIC;
3055 msg->cm_anon_type = MES_NORMAL;
3056 msg->cm_format_type = format_type;
3059 CM_SetField(msg, eAuthor, from, strlen(from));
3061 else if (fromaddr != NULL) {
3063 CM_SetField(msg, eAuthor, fromaddr, strlen(fromaddr));
3064 pAt = strchr(msg->cm_fields[eAuthor], '@');
3066 CM_CutFieldAt(msg, eAuthor, pAt - msg->cm_fields[eAuthor]);
3070 msg->cm_fields[eAuthor] = strdup("Citadel");
3073 if (fromaddr != NULL) CM_SetField(msg, erFc822Addr, fromaddr, strlen(fromaddr));
3074 if (room != NULL) CM_SetField(msg, eOriginalRoom, room, strlen(room));
3075 CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
3077 CM_SetField(msg, eRecipient, to, strlen(to));
3078 recp = validate_recipients(to, NULL, 0);
3080 if (subject != NULL) {
3081 CM_SetField(msg, eMsgSubject, subject, strlen(subject));
3083 CM_SetField(msg, eMesageText, text, strlen(text));
3085 CtdlSubmitMsg(msg, recp, room, 0);
3087 if (recp != NULL) free_recipients(recp);
3090 void flood_protect_quickie_message(const char *from,
3091 const char *fromaddr,
3096 const char *subject,
3098 const char **CritStr,
3099 const long *CritStrLen,
3105 u_char rawdigest[MD5_DIGEST_LEN];
3106 struct MD5Context md5context;
3110 static const time_t tsday = (8*60*60); /* just care for a day... */
3113 tslen = snprintf(timestamp, sizeof(timestamp), "%ld", tsday);
3114 MD5Init(&md5context);
3116 for (i = 0; i < nCriterions; i++)
3117 MD5Update(&md5context,
3118 (const unsigned char*)CritStr[i], CritStrLen[i]);
3119 MD5Update(&md5context,
3120 (const unsigned char*)timestamp, tslen);
3121 MD5Final(rawdigest, &md5context);
3123 guid = NewStrBufPlain(NULL,
3124 MD5_DIGEST_LEN * 2 + 12);
3125 StrBufHexEscAppend(guid, NULL, rawdigest, MD5_DIGEST_LEN);
3126 StrBufAppendBufPlain(guid, HKEY("_fldpt"), 0);
3127 if (StrLength(guid) > 40)
3128 StrBufCutAt(guid, 40, NULL);
3130 seenstamp = CheckIfAlreadySeen("FPAideMessage",
3137 if ((seenstamp > 0) && (seenstamp < tsday))
3140 /* yes, we did. flood protection kicks in. */
3142 "not sending message again - %ld < %ld \n", seenstamp, tsday);
3148 "sending message. %ld >= %ld", seenstamp, tsday);
3150 /* no, this message isn't sent recently; go ahead. */
3151 quickie_message(from,
3163 * Back end function used by CtdlMakeMessage() and similar functions
3165 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3167 size_t maxlen, /* maximum message length */
3168 StrBuf *exist, /* if non-null, append to it;
3169 exist is ALWAYS freed */
3170 int crlf, /* CRLF newlines instead of LF */
3171 int *sock /* socket handle or 0 for this session's client socket */
3180 LineBuf = NewStrBufPlain(NULL, SIZ);
3181 if (exist == NULL) {
3182 Message = NewStrBufPlain(NULL, 4 * SIZ);
3185 Message = NewStrBufDup(exist);
3188 /* Do we need to change leading ".." to "." for SMTP escaping? */
3189 if ((tlen == 1) && (*terminator == '.')) {
3193 /* read in the lines of message text one by one */
3196 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3201 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3203 if ((StrLength(LineBuf) == tlen) &&
3204 (!strcmp(ChrPtr(LineBuf), terminator)))
3207 if ( (!flushing) && (!finished) ) {
3209 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3212 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3215 /* Unescape SMTP-style input of two dots at the beginning of the line */
3217 (StrLength(LineBuf) == 2) &&
3218 (!strcmp(ChrPtr(LineBuf), "..")))
3220 StrBufCutLeft(LineBuf, 1);
3223 StrBufAppendBuf(Message, LineBuf, 0);
3226 /* if we've hit the max msg length, flush the rest */
3227 if (StrLength(Message) >= maxlen) flushing = 1;
3229 } while (!finished);
3230 FreeStrBuf(&LineBuf);
3234 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3238 FreeStrBuf(&(*Msg)->MsgBuf);
3244 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3246 size_t maxlen, /* maximum message length */
3247 size_t expectlen, /* if we expect a message, how long should it be? */
3248 StrBuf *exist, /* if non-null, append to it;
3249 exist is ALWAYS freed */
3250 long eLen, /* length of exist */
3251 int crlf /* CRLF newlines instead of LF */
3254 ReadAsyncMsg *NewMsg;
3256 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3257 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3259 if (exist == NULL) {
3262 if (expectlen == 0) {
3266 len = expectlen + 10;
3268 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3271 NewMsg->MsgBuf = NewStrBufDup(exist);
3273 /* Do we need to change leading ".." to "." for SMTP escaping? */
3274 if ((tlen == 1) && (*terminator == '.')) {
3278 NewMsg->terminator = terminator;
3279 NewMsg->tlen = tlen;
3281 NewMsg->maxlen = maxlen;
3283 NewMsg->crlf = crlf;
3289 * Back end function used by CtdlMakeMessage() and similar functions
3291 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3293 ReadAsyncMsg *ReadMsg;
3294 int MsgFinished = 0;
3295 eReadState Finished = eMustReadMore;
3300 const char *pch = ChrPtr(IO->SendBuf.Buf);
3301 const char *pchh = IO->SendBuf.ReadWritePointer;
3307 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3308 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3309 ((CitContext*)(IO->CitContext))->ServiceName,
3312 fd = fopen(fn, "a+");
3314 syslog(LOG_EMERG, "failed to open file %s: %s", fn, strerror(errno));
3320 ReadMsg = IO->ReadMsg;
3322 /* read in the lines of message text one by one */
3324 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3327 case eMustReadMore: /// read new from socket...
3329 if (IO->RecvBuf.ReadWritePointer != NULL) {
3330 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3331 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3333 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3337 fprintf(fd, "BufferEmpty! \n");
3343 case eBufferNotEmpty: /* shouldn't happen... */
3344 case eReadSuccess: /// done for now...
3346 case eReadFail: /// WHUT?
3352 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3353 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3356 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3359 else if (!ReadMsg->flushing) {
3362 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3365 /* Unescape SMTP-style input of two dots at the beginning of the line */
3366 if ((ReadMsg->dodot) &&
3367 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3368 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3371 fprintf(fd, "UnEscaped!\n");
3373 StrBufCutLeft(IO->IOBuf, 1);
3376 if (ReadMsg->crlf) {
3377 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3380 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3383 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3386 /* if we've hit the max msg length, flush the rest */
3387 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3389 } while (!MsgFinished);
3392 fprintf(fd, "Done with reading; %s.\n, ",
3393 (MsgFinished)?"Message Finished": "FAILED");
3397 return eReadSuccess;
3404 * Back end function used by CtdlMakeMessage() and similar functions
3406 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3408 size_t maxlen, /* maximum message length */
3409 StrBuf *exist, /* if non-null, append to it;
3410 exist is ALWAYS freed */
3411 int crlf, /* CRLF newlines instead of LF */
3412 int *sock /* socket handle or 0 for this session's client socket */
3417 Message = CtdlReadMessageBodyBuf(terminator,
3423 if (Message == NULL)
3426 return SmashStrBuf(&Message);
3429 struct CtdlMessage *CtdlMakeMessage(
3430 struct ctdluser *author, /* author's user structure */
3431 char *recipient, /* NULL if it's not mail */
3432 char *recp_cc, /* NULL if it's not mail */
3433 char *room, /* room where it's going */
3434 int type, /* see MES_ types in header file */
3435 int format_type, /* variformat, plain text, MIME... */
3436 char *fake_name, /* who we're masquerading as */
3437 char *my_email, /* which of my email addresses to use (empty is ok) */
3438 char *subject, /* Subject (optional) */
3439 char *supplied_euid, /* ...or NULL if this is irrelevant */
3440 char *preformatted_text, /* ...or NULL to read text from client */
3441 char *references /* Thread references */
3444 return CtdlMakeMessageLen(
3445 author, /* author's user structure */
3446 recipient, /* NULL if it's not mail */
3447 (recipient)?strlen(recipient) : 0,
3448 recp_cc, /* NULL if it's not mail */
3449 (recp_cc)?strlen(recp_cc): 0,
3450 room, /* room where it's going */
3451 (room)?strlen(room): 0,
3452 type, /* see MES_ types in header file */
3453 format_type, /* variformat, plain text, MIME... */
3454 fake_name, /* who we're masquerading as */
3455 (fake_name)?strlen(fake_name): 0,
3456 my_email, /* which of my email addresses to use (empty is ok) */
3457 (my_email)?strlen(my_email): 0,
3458 subject, /* Subject (optional) */
3459 (subject)?strlen(subject): 0,
3460 supplied_euid, /* ...or NULL if this is irrelevant */
3461 (supplied_euid)?strlen(supplied_euid):0,
3462 preformatted_text, /* ...or NULL to read text from client */
3463 (preformatted_text)?strlen(preformatted_text) : 0,
3464 references, /* Thread references */
3465 (references)?strlen(references):0);
3470 * Build a binary message to be saved on disk.
3471 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3472 * will become part of the message. This means you are no longer
3473 * responsible for managing that memory -- it will be freed along with
3474 * the rest of the fields when CM_Free() is called.)
3477 struct CtdlMessage *CtdlMakeMessageLen(
3478 struct ctdluser *author, /* author's user structure */
3479 char *recipient, /* NULL if it's not mail */
3481 char *recp_cc, /* NULL if it's not mail */
3483 char *room, /* room where it's going */
3485 int type, /* see MES_ types in header file */
3486 int format_type, /* variformat, plain text, MIME... */
3487 char *fake_name, /* who we're masquerading as */
3489 char *my_email, /* which of my email addresses to use (empty is ok) */
3491 char *subject, /* Subject (optional) */
3493 char *supplied_euid, /* ...or NULL if this is irrelevant */
3495 char *preformatted_text, /* ...or NULL to read text from client */
3497 char *references, /* Thread references */
3501 struct CitContext *CCC = CC;
3502 /* Don't confuse the poor folks if it's not routed mail. * /
3503 char dest_node[256] = "";*/
3506 struct CtdlMessage *msg;
3508 StrBuf *FakeEncAuthor = NULL;
3510 msg = malloc(sizeof(struct CtdlMessage));
3511 memset(msg, 0, sizeof(struct CtdlMessage));
3512 msg->cm_magic = CTDLMESSAGE_MAGIC;
3513 msg->cm_anon_type = type;
3514 msg->cm_format_type = format_type;
3516 if (recipient != NULL) rcplen = striplt(recipient);
3517 if (recp_cc != NULL) cclen = striplt(recp_cc);
3519 /* Path or Return-Path */
3521 CM_SetField(msg, eMessagePath, my_email, myelen);
3524 CM_SetField(msg, eMessagePath, author->fullname, strlen(author->fullname));
3526 convert_spaces_to_underscores(msg->cm_fields[eMessagePath]);
3528 blen = snprintf(buf, sizeof buf, "%ld", (long)time(NULL));
3529 CM_SetField(msg, eTimestamp, buf, blen);
3532 FakeAuthor = NewStrBufPlain (fake_name, fnlen);
3535 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3537 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3538 CM_SetAsFieldSB(msg, eAuthor, &FakeEncAuthor);
3539 FreeStrBuf(&FakeAuthor);
3541 if (CCC->room.QRflags & QR_MAILBOX) { /* room */
3542 CM_SetField(msg, eOriginalRoom, &CCC->room.QRname[11], strlen(&CCC->room.QRname[11]));
3545 CM_SetField(msg, eOriginalRoom, CCC->room.QRname, strlen(CCC->room.QRname));
3548 CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
3549 CM_SetField(msg, eHumanNode, CtdlGetConfigStr("c_humannode"), strlen(CtdlGetConfigStr("c_humannode")));
3552 CM_SetField(msg, eRecipient, recipient, rcplen);
3555 CM_SetField(msg, eCarbonCopY, recp_cc, cclen);
3559 CM_SetField(msg, erFc822Addr, my_email, myelen);
3561 else if ( (author == &CCC->user) && (!IsEmptyStr(CCC->cs_inet_email)) ) {
3562 CM_SetField(msg, erFc822Addr, CCC->cs_inet_email, strlen(CCC->cs_inet_email));
3565 if (subject != NULL) {
3567 length = striplt(subject);
3573 while ((subject[i] != '\0') &&
3574 (IsAscii = isascii(subject[i]) != 0 ))
3577 CM_SetField(msg, eMsgSubject, subject, subjlen);
3578 else /* ok, we've got utf8 in the string. */
3581 rfc2047Subj = rfc2047encode(subject, length);
3582 CM_SetAsField(msg, eMsgSubject, &rfc2047Subj, strlen(rfc2047Subj));
3589 CM_SetField(msg, eExclusiveID, supplied_euid, euidlen);
3593 CM_SetField(msg, eWeferences, references, reflen);
3596 if (preformatted_text != NULL) {
3597 CM_SetField(msg, eMesageText, preformatted_text, textlen);
3601 MsgBody = CtdlReadMessageBodyBuf(HKEY("000"), CtdlGetConfigLong("c_maxmsglen"), NULL, 0, 0);
3602 if (MsgBody != NULL) {
3603 CM_SetAsFieldSB(msg, eMesageText, &MsgBody);
3614 * API function to delete messages which match a set of criteria
3615 * (returns the actual number of messages deleted)
3617 int CtdlDeleteMessages(const char *room_name, /* which room */
3618 long *dmsgnums, /* array of msg numbers to be deleted */
3619 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3620 char *content_type /* or "" for any. regular expressions expected. */
3623 struct CitContext *CCC = CC;
3624 struct ctdlroom qrbuf;
3625 struct cdbdata *cdbfr;
3626 long *msglist = NULL;
3627 long *dellist = NULL;
3630 int num_deleted = 0;
3632 struct MetaData smi;
3635 int need_to_free_re = 0;
3637 if (content_type) if (!IsEmptyStr(content_type)) {
3638 regcomp(&re, content_type, 0);
3639 need_to_free_re = 1;
3641 MSG_syslog(LOG_DEBUG, " CtdlDeleteMessages(%s, %d msgs, %s)\n",
3642 room_name, num_dmsgnums, content_type);
3644 /* get room record, obtaining a lock... */
3645 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
3646 MSG_syslog(LOG_ERR, " CtdlDeleteMessages(): Room <%s> not found\n",
3648 if (need_to_free_re) regfree(&re);
3649 return (0); /* room not found */
3651 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3653 if (cdbfr != NULL) {
3654 dellist = malloc(cdbfr->len);
3655 msglist = (long *) cdbfr->ptr;
3656 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3657 num_msgs = cdbfr->len / sizeof(long);
3661 int have_contenttype = (content_type != NULL) && !IsEmptyStr(content_type);
3662 int have_delmsgs = (num_dmsgnums == 0) || (dmsgnums == NULL);
3663 int have_more_del = 1;
3665 num_msgs = sort_msglist(msglist, num_msgs);
3666 if (num_dmsgnums > 1)
3667 num_dmsgnums = sort_msglist(dmsgnums, num_dmsgnums);
3670 StrBuf *dbg = NewStrBuf();
3671 for (i = 0; i < num_dmsgnums; i++)
3672 StrBufAppendPrintf(dbg, ", %ld", dmsgnums[i]);
3673 MSG_syslog(LOG_DEBUG, " Deleting before: %s", ChrPtr(dbg));
3678 while ((i < num_msgs) && (have_more_del)) {
3681 /* Set/clear a bit for each criterion */
3683 /* 0 messages in the list or a null list means that we are
3684 * interested in deleting any messages which meet the other criteria.
3687 delete_this |= 0x01;
3690 while ((i < num_msgs) && (msglist[i] < dmsgnums[j])) i++;
3695 if (msglist[i] == dmsgnums[j]) {
3696 delete_this |= 0x01;
3699 have_more_del = (j < num_dmsgnums);
3702 if (have_contenttype) {
3703 GetMetaData(&smi, msglist[i]);
3704 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
3705 delete_this |= 0x02;
3708 delete_this |= 0x02;
3711 /* Delete message only if all bits are set */
3712 if (delete_this == 0x03) {
3713 dellist[num_deleted++] = msglist[i];
3720 StrBuf *dbg = NewStrBuf();
3721 for (i = 0; i < num_deleted; i++)
3722 StrBufAppendPrintf(dbg, ", %ld", dellist[i]);
3723 MSG_syslog(LOG_DEBUG, " Deleting: %s", ChrPtr(dbg));
3727 num_msgs = sort_msglist(msglist, num_msgs);
3728 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3729 msglist, (int)(num_msgs * sizeof(long)));
3732 qrbuf.QRhighest = msglist[num_msgs - 1];
3734 qrbuf.QRhighest = 0;
3736 CtdlPutRoomLock(&qrbuf);
3738 /* Go through the messages we pulled out of the index, and decrement
3739 * their reference counts by 1. If this is the only room the message
3740 * was in, the reference count will reach zero and the message will
3741 * automatically be deleted from the database. We do this in a
3742 * separate pass because there might be plug-in hooks getting called,
3743 * and we don't want that happening during an S_ROOMS critical
3747 for (i=0; i<num_deleted; ++i) {
3748 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3750 AdjRefCountList(dellist, num_deleted, -1);
3752 /* Now free the memory we used, and go away. */
3753 if (msglist != NULL) free(msglist);
3754 if (dellist != NULL) free(dellist);
3755 MSG_syslog(LOG_DEBUG, " %d message(s) deleted.\n", num_deleted);
3756 if (need_to_free_re) regfree(&re);
3757 return (num_deleted);
3764 * GetMetaData() - Get the supplementary record for a message
3766 void GetMetaData(struct MetaData *smibuf, long msgnum)
3769 struct cdbdata *cdbsmi;
3772 memset(smibuf, 0, sizeof(struct MetaData));
3773 smibuf->meta_msgnum = msgnum;
3774 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3776 /* Use the negative of the message number for its supp record index */
3777 TheIndex = (0L - msgnum);
3779 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3780 if (cdbsmi == NULL) {
3781 return; /* record not found; go with defaults */
3783 memcpy(smibuf, cdbsmi->ptr,
3784 ((cdbsmi->len > sizeof(struct MetaData)) ?
3785 sizeof(struct MetaData) : cdbsmi->len));
3792 * PutMetaData() - (re)write supplementary record for a message
3794 void PutMetaData(struct MetaData *smibuf)
3798 /* Use the negative of the message number for the metadata db index */
3799 TheIndex = (0L - smibuf->meta_msgnum);
3801 cdb_store(CDB_MSGMAIN,
3802 &TheIndex, (int)sizeof(long),
3803 smibuf, (int)sizeof(struct MetaData));
3808 * AdjRefCount - submit an adjustment to the reference count for a message.
3809 * (These are just queued -- we actually process them later.)
3811 void AdjRefCount(long msgnum, int incr)
3813 struct CitContext *CCC = CC;
3814 struct arcq new_arcq;
3817 MSG_syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n", msgnum, incr);
3819 begin_critical_section(S_SUPPMSGMAIN);
3820 if (arcfp == NULL) {
3821 arcfp = fopen(file_arcq, "ab+");
3822 chown(file_arcq, CTDLUID, (-1));
3823 chmod(file_arcq, 0600);
3825 end_critical_section(S_SUPPMSGMAIN);
3827 /* msgnum < 0 means that we're trying to close the file */
3829 MSGM_syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
3830 begin_critical_section(S_SUPPMSGMAIN);
3831 if (arcfp != NULL) {
3835 end_critical_section(S_SUPPMSGMAIN);
3840 * If we can't open the queue, perform the operation synchronously.
3842 if (arcfp == NULL) {
3843 TDAP_AdjRefCount(msgnum, incr);
3847 new_arcq.arcq_msgnum = msgnum;
3848 new_arcq.arcq_delta = incr;
3849 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
3851 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
3860 void AdjRefCountList(long *msgnum, long nmsg, int incr)
3862 struct CitContext *CCC = CC;
3863 long i, the_size, offset;
3864 struct arcq *new_arcq;
3867 MSG_syslog(LOG_DEBUG, "AdjRefCountList() msg %ld ref count delta %+d\n", nmsg, incr);
3869 begin_critical_section(S_SUPPMSGMAIN);
3870 if (arcfp == NULL) {
3871 arcfp = fopen(file_arcq, "ab+");
3872 chown(file_arcq, CTDLUID, (-1));
3873 chmod(file_arcq, 0600);
3875 end_critical_section(S_SUPPMSGMAIN);
3878 * If we can't open the queue, perform the operation synchronously.
3880 if (arcfp == NULL) {
3881 for (i = 0; i < nmsg; i++)
3882 TDAP_AdjRefCount(msgnum[i], incr);
3886 the_size = sizeof(struct arcq) * nmsg;
3887 new_arcq = malloc(the_size);
3888 for (i = 0; i < nmsg; i++) {
3889 new_arcq[i].arcq_msgnum = msgnum[i];
3890 new_arcq[i].arcq_delta = incr;
3894 while ((rv >= 0) && (offset < the_size))
3896 rv = fwrite(new_arcq + offset, 1, the_size - offset, arcfp);
3898 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
3914 * TDAP_ProcessAdjRefCountQueue()
3916 * Process the queue of message count adjustments that was created by calls
3917 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
3918 * for each one. This should be an "off hours" operation.
3920 int TDAP_ProcessAdjRefCountQueue(void)
3922 struct CitContext *CCC = CC;
3923 char file_arcq_temp[PATH_MAX];
3926 struct arcq arcq_rec;
3927 int num_records_processed = 0;
3929 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
3931 begin_critical_section(S_SUPPMSGMAIN);
3932 if (arcfp != NULL) {
3937 r = link(file_arcq, file_arcq_temp);
3939 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3940 end_critical_section(S_SUPPMSGMAIN);
3941 return(num_records_processed);
3945 end_critical_section(S_SUPPMSGMAIN);
3947 fp = fopen(file_arcq_temp, "rb");
3949 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3950 return(num_records_processed);
3953 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
3954 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
3955 ++num_records_processed;
3959 r = unlink(file_arcq_temp);
3961 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3964 return(num_records_processed);
3970 * TDAP_AdjRefCount - adjust the reference count for a message.
3971 * This one does it "for real" because it's called by
3972 * the autopurger function that processes the queue
3973 * created by AdjRefCount(). If a message's reference
3974 * count becomes zero, we also delete the message from
3975 * disk and de-index it.
3977 void TDAP_AdjRefCount(long msgnum, int incr)
3979 struct CitContext *CCC = CC;
3981 struct MetaData smi;
3984 /* This is a *tight* critical section; please keep it that way, as
3985 * it may get called while nested in other critical sections.
3986 * Complicating this any further will surely cause deadlock!
3988 begin_critical_section(S_SUPPMSGMAIN);
3989 GetMetaData(&smi, msgnum);
3990 smi.meta_refcount += incr;
3992 end_critical_section(S_SUPPMSGMAIN);
3993 MSG_syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
3994 msgnum, incr, smi.meta_refcount
3997 /* If the reference count is now zero, delete the message
3998 * (and its supplementary record as well).
4000 if (smi.meta_refcount == 0) {
4001 MSG_syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4003 /* Call delete hooks with NULL room to show it has gone altogether */
4004 PerformDeleteHooks(NULL, msgnum);
4006 /* Remove from message base */
4008 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4009 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4011 /* Remove metadata record */
4012 delnum = (0L - msgnum);
4013 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4019 * Write a generic object to this room
4021 * Note: this could be much more efficient. Right now we use two temporary
4022 * files, and still pull the message into memory as with all others.
4024 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4025 char *content_type, /* MIME type of this object */
4026 char *raw_message, /* Data to be written */
4027 off_t raw_length, /* Size of raw_message */
4028 struct ctdluser *is_mailbox, /* Mailbox room? */
4029 int is_binary, /* Is encoding necessary? */
4030 int is_unique, /* Del others of this type? */
4031 unsigned int flags /* Internal save flags */
4034 struct CitContext *CCC = CC;
4035 struct ctdlroom qrbuf;
4036 char roomname[ROOMNAMELEN];
4037 struct CtdlMessage *msg;
4038 StrBuf *encoded_message = NULL;
4040 if (is_mailbox != NULL) {
4041 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4044 safestrncpy(roomname, req_room, sizeof(roomname));
4047 MSG_syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4050 encoded_message = NewStrBufPlain(NULL, (size_t) (((raw_length * 134) / 100) + 4096 ) );
4053 encoded_message = NewStrBufPlain(NULL, (size_t)(raw_length + 4096));
4056 StrBufAppendBufPlain(encoded_message, HKEY("Content-type: "), 0);
4057 StrBufAppendBufPlain(encoded_message, content_type, -1, 0);
4058 StrBufAppendBufPlain(encoded_message, HKEY("\n"), 0);
4061 StrBufAppendBufPlain(encoded_message, HKEY("Content-transfer-encoding: base64\n\n"), 0);
4064 StrBufAppendBufPlain(encoded_message, HKEY("Content-transfer-encoding: 7bit\n\n"), 0);
4068 StrBufBase64Append(encoded_message, NULL, raw_message, raw_length, 0);
4071 StrBufAppendBufPlain(encoded_message, raw_message, raw_length, 0);
4074 MSGM_syslog(LOG_DEBUG, "Allocating\n");
4075 msg = malloc(sizeof(struct CtdlMessage));
4076 memset(msg, 0, sizeof(struct CtdlMessage));
4077 msg->cm_magic = CTDLMESSAGE_MAGIC;
4078 msg->cm_anon_type = MES_NORMAL;
4079 msg->cm_format_type = 4;
4080 CM_SetField(msg, eAuthor, CCC->user.fullname, strlen(CCC->user.fullname));
4081 CM_SetField(msg, eOriginalRoom, req_room, strlen(req_room));
4082 CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
4083 CM_SetField(msg, eHumanNode, CtdlGetConfigStr("c_humannode"), strlen(CtdlGetConfigStr("c_humannode")));
4084 msg->cm_flags = flags;
4086 CM_SetAsFieldSB(msg, eMesageText, &encoded_message);
4088 /* Create the requested room if we have to. */
4089 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4090 CtdlCreateRoom(roomname,
4091 ( (is_mailbox != NULL) ? 5 : 3 ),
4092 "", 0, 1, 0, VIEW_BBS);
4094 /* If the caller specified this object as unique, delete all
4095 * other objects of this type that are currently in the room.
4098 MSG_syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
4099 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4102 /* Now write the data */
4103 CtdlSubmitMsg(msg, NULL, roomname, 0);
4109 /*****************************************************************************/
4110 /* MODULE INITIALIZATION STUFF */
4111 /*****************************************************************************/
4112 void SetMessageDebugEnabled(const int n)
4114 MessageDebugEnabled = n;
4116 CTDL_MODULE_INIT(msgbase)
4119 CtdlRegisterDebugFlagHook(HKEY("messages"), SetMessageDebugEnabled, &MessageDebugEnabled);
4122 /* return our Subversion id for the Log */