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 */
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? */
1909 cit_uint8_t prev_ch;
1911 const char *StartOfText = StrBufNOTNULL;
1914 int nllen = strlen(nl);
1917 mptr = TheMessage->cm_fields[eMesageText];
1921 while (*mptr != '\0') {
1922 if (*mptr == '\r') {
1929 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
1931 eoh = *(mptr+1) == '\n';
1935 StartOfText = strchr(StartOfText, '\n');
1936 StartOfText = strchr(StartOfText, '\n');
1939 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
1940 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
1941 ((headers_only != HEADERS_NONE) &&
1942 (headers_only != HEADERS_ONLY))
1944 if (*mptr == '\n') {
1945 memcpy(&outbuf[outlen], nl, nllen);
1947 outbuf[outlen] = '\0';
1950 outbuf[outlen++] = *mptr;
1954 if (flags & ESC_DOT)
1956 if ((prev_ch == '\n') &&
1958 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
1960 outbuf[outlen++] = '.';
1965 if (outlen > 1000) {
1966 if (client_write(outbuf, outlen) == -1)
1968 struct CitContext *CCC = CC;
1969 MSGM_syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
1976 client_write(outbuf, outlen);
1982 /* If the format type on disk is 1 (fixed-format), then we want
1983 * everything to be output completely literally ... regardless of
1984 * what message transfer format is in use.
1986 void DumpFormatFixed(
1987 struct CtdlMessage *TheMessage,
1988 int mode, /* how would you like that message? */
1995 int nllen = strlen (nl);
1998 mptr = TheMessage->cm_fields[eMesageText];
2000 if (mode == MT_MIME) {
2001 cprintf("Content-type: text/plain\n\n");
2005 while (ch = *mptr++, ch > 0) {
2009 if ((buflen > 250) && (!xlline)){
2013 while ((buflen > 0) &&
2014 (!isspace(buf[buflen])))
2020 mptr -= tbuflen - buflen;
2025 /* if we reach the outer bounds of our buffer,
2026 abort without respect what whe purge. */
2029 (buflen > SIZ - nllen - 2)))
2033 memcpy (&buf[buflen], nl, nllen);
2037 if (client_write(buf, buflen) == -1)
2039 struct CitContext *CCC = CC;
2040 MSGM_syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2052 if (!IsEmptyStr(buf))
2053 cprintf("%s%s", buf, nl);
2057 * Get a message off disk. (returns om_* values found in msgbase.h)
2059 int CtdlOutputPreLoadedMsg(
2060 struct CtdlMessage *TheMessage,
2061 int mode, /* how would you like that message? */
2062 int headers_only, /* eschew the message body? */
2063 int do_proto, /* do Citadel protocol responses? */
2064 int crlf, /* Use CRLF newlines instead of LF? */
2065 int flags /* should the bessage be exported clean? */
2067 struct CitContext *CCC = CC;
2069 const char *nl; /* newline string */
2072 /* Buffers needed for RFC822 translation. These are all filled
2073 * using functions that are bounds-checked, and therefore we can
2074 * make them substantially smaller than SIZ.
2082 MSG_syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2083 ((TheMessage == NULL) ? "NULL" : "not null"),
2084 mode, headers_only, do_proto, crlf);
2086 strcpy(mid, "unknown");
2087 nl = (crlf ? "\r\n" : "\n");
2089 if (!CM_IsValidMsg(TheMessage)) {
2090 MSGM_syslog(LOG_ERR,
2091 "ERROR: invalid preloaded message for output\n");
2093 return(om_no_such_msg);
2096 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2097 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2099 if ( (flags & SUPPRESS_ENV_TO) && (!CM_IsEmpty(TheMessage, eenVelopeTo)) ) {
2100 memset(TheMessage->cm_fields[eenVelopeTo], ' ', TheMessage->cm_lengths[eenVelopeTo]);
2103 /* Are we downloading a MIME component? */
2104 if (mode == MT_DOWNLOAD) {
2105 if (TheMessage->cm_format_type != FMT_RFC822) {
2107 cprintf("%d This is not a MIME message.\n",
2108 ERROR + ILLEGAL_VALUE);
2109 } else if (CCC->download_fp != NULL) {
2110 if (do_proto) cprintf(
2111 "%d You already have a download open.\n",
2112 ERROR + RESOURCE_BUSY);
2114 /* Parse the message text component */
2115 mime_parser(CM_RANGE(TheMessage, eMesageText),
2116 *mime_download, NULL, NULL, NULL, 0);
2117 /* If there's no file open by this time, the requested
2118 * section wasn't found, so print an error
2120 if (CCC->download_fp == NULL) {
2121 if (do_proto) cprintf(
2122 "%d Section %s not found.\n",
2123 ERROR + FILE_NOT_FOUND,
2124 CCC->download_desired_section);
2127 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2130 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2131 * in a single server operation instead of opening a download file.
2133 if (mode == MT_SPEW_SECTION) {
2134 if (TheMessage->cm_format_type != FMT_RFC822) {
2136 cprintf("%d This is not a MIME message.\n",
2137 ERROR + ILLEGAL_VALUE);
2139 /* Parse the message text component */
2142 mime_parser(CM_RANGE(TheMessage, eMesageText),
2143 *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2144 /* If section wasn't found, print an error
2147 if (do_proto) cprintf(
2148 "%d Section %s not found.\n",
2149 ERROR + FILE_NOT_FOUND,
2150 CCC->download_desired_section);
2153 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2156 /* now for the user-mode message reading loops */
2157 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2159 /* Does the caller want to skip the headers? */
2160 if (headers_only == HEADERS_NONE) goto START_TEXT;
2162 /* Tell the client which format type we're using. */
2163 if ( (mode == MT_CITADEL) && (do_proto) ) {
2164 cprintf("type=%d\n", TheMessage->cm_format_type);
2167 /* nhdr=yes means that we're only displaying headers, no body */
2168 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2169 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2172 cprintf("nhdr=yes\n");
2175 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2176 OutputCtdlMsgHeaders(TheMessage, do_proto);
2179 /* begin header processing loop for RFC822 transfer format */
2183 memcpy(snode, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")) + 1);
2184 if (mode == MT_RFC822)
2185 OutputRFC822MsgHeaders(
2190 suser, sizeof(suser),
2191 luser, sizeof(luser),
2192 fuser, sizeof(fuser),
2193 snode, sizeof(snode)
2197 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2198 suser[i] = tolower(suser[i]);
2199 if (!isalnum(suser[i])) suser[i]='_';
2202 if (mode == MT_RFC822) {
2203 if (!strcasecmp(snode, NODENAME)) {
2204 safestrncpy(snode, FQDN, sizeof snode);
2207 /* Construct a fun message id */
2208 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2209 if (strchr(mid, '@')==NULL) {
2210 cprintf("@%s", snode);
2214 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2215 cprintf("From: \"----\" <x@x.org>%s", nl);
2217 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2218 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2220 else if (!IsEmptyStr(fuser)) {
2221 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2224 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2227 /* Blank line signifying RFC822 end-of-headers */
2228 if (TheMessage->cm_format_type != FMT_RFC822) {
2233 /* end header processing loop ... at this point, we're in the text */
2235 if (headers_only == HEADERS_FAST) goto DONE;
2237 /* Tell the client about the MIME parts in this message */
2238 if (TheMessage->cm_format_type == FMT_RFC822) {
2239 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2240 memset(&ma, 0, sizeof(struct ma_info));
2241 mime_parser(CM_RANGE(TheMessage, eMesageText),
2242 (do_proto ? *list_this_part : NULL),
2243 (do_proto ? *list_this_pref : NULL),
2244 (do_proto ? *list_this_suff : NULL),
2247 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2248 Dump_RFC822HeadersBody(
2257 if (headers_only == HEADERS_ONLY) {
2261 /* signify start of msg text */
2262 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2263 if (do_proto) cprintf("text\n");
2266 if (TheMessage->cm_format_type == FMT_FIXED)
2269 mode, /* how would you like that message? */
2272 /* If the message on disk is format 0 (Citadel vari-format), we
2273 * output using the formatter at 80 columns. This is the final output
2274 * form if the transfer format is RFC822, but if the transfer format
2275 * is Citadel proprietary, it'll still work, because the indentation
2276 * for new paragraphs is correct and the client will reformat the
2277 * message to the reader's screen width.
2279 if (TheMessage->cm_format_type == FMT_CITADEL) {
2280 if (mode == MT_MIME) {
2281 cprintf("Content-type: text/x-citadel-variformat\n\n");
2283 memfmout(TheMessage->cm_fields[eMesageText], nl);
2286 /* If the message on disk is format 4 (MIME), we've gotta hand it
2287 * off to the MIME parser. The client has already been told that
2288 * this message is format 1 (fixed format), so the callback function
2289 * we use will display those parts as-is.
2291 if (TheMessage->cm_format_type == FMT_RFC822) {
2292 memset(&ma, 0, sizeof(struct ma_info));
2294 if (mode == MT_MIME) {
2295 ma.use_fo_hooks = 0;
2296 strcpy(ma.chosen_part, "1");
2297 ma.chosen_pref = 9999;
2298 ma.dont_decode = CCC->msg4_dont_decode;
2299 mime_parser(CM_RANGE(TheMessage, eMesageText),
2300 *choose_preferred, *fixed_output_pre,
2301 *fixed_output_post, (void *)&ma, 1);
2302 mime_parser(CM_RANGE(TheMessage, eMesageText),
2303 *output_preferred, NULL, NULL, (void *)&ma, 1);
2306 ma.use_fo_hooks = 1;
2307 mime_parser(CM_RANGE(TheMessage, eMesageText),
2308 *fixed_output, *fixed_output_pre,
2309 *fixed_output_post, (void *)&ma, 0);
2314 DONE: /* now we're done */
2315 if (do_proto) cprintf("000\n");
2320 * Save one or more message pointers into a specified room
2321 * (Returns 0 for success, nonzero for failure)
2322 * roomname may be NULL to use the current room
2324 * Note that the 'supplied_msg' field may be set to NULL, in which case
2325 * the message will be fetched from disk, by number, if we need to perform
2326 * replication checks. This adds an additional database read, so if the
2327 * caller already has the message in memory then it should be supplied. (Obviously
2328 * this mode of operation only works if we're saving a single message.)
2330 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2331 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2333 struct CitContext *CCC = CC;
2335 char hold_rm[ROOMNAMELEN];
2336 struct cdbdata *cdbfr;
2339 long highest_msg = 0L;
2342 struct CtdlMessage *msg = NULL;
2344 long *msgs_to_be_merged = NULL;
2345 int num_msgs_to_be_merged = 0;
2347 MSG_syslog(LOG_DEBUG,
2348 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2349 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2352 strcpy(hold_rm, CCC->room.QRname);
2355 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2356 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2357 if (num_newmsgs > 1) supplied_msg = NULL;
2359 /* Now the regular stuff */
2360 if (CtdlGetRoomLock(&CCC->room,
2361 ((roomname != NULL) ? roomname : CCC->room.QRname) )
2363 MSG_syslog(LOG_ERR, "No such room <%s>\n", roomname);
2364 return(ERROR + ROOM_NOT_FOUND);
2368 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2369 num_msgs_to_be_merged = 0;
2372 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
2373 if (cdbfr == NULL) {
2377 msglist = (long *) cdbfr->ptr;
2378 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2379 num_msgs = cdbfr->len / sizeof(long);
2384 /* Create a list of msgid's which were supplied by the caller, but do
2385 * not already exist in the target room. It is absolutely taboo to
2386 * have more than one reference to the same message in a room.
2388 for (i=0; i<num_newmsgs; ++i) {
2390 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2391 if (msglist[j] == newmsgidlist[i]) {
2396 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2400 MSG_syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2403 * Now merge the new messages
2405 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2406 if (msglist == NULL) {
2407 MSGM_syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2408 free(msgs_to_be_merged);
2409 return (ERROR + INTERNAL_ERROR);
2411 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2412 num_msgs += num_msgs_to_be_merged;
2414 /* Sort the message list, so all the msgid's are in order */
2415 num_msgs = sort_msglist(msglist, num_msgs);
2417 /* Determine the highest message number */
2418 highest_msg = msglist[num_msgs - 1];
2420 /* Write it back to disk. */
2421 cdb_store(CDB_MSGLISTS, &CCC->room.QRnumber, (int)sizeof(long),
2422 msglist, (int)(num_msgs * sizeof(long)));
2424 /* Free up the memory we used. */
2427 /* Update the highest-message pointer and unlock the room. */
2428 CCC->room.QRhighest = highest_msg;
2429 CtdlPutRoomLock(&CCC->room);
2431 /* Perform replication checks if necessary */
2432 if ( (DoesThisRoomNeedEuidIndexing(&CCC->room)) && (do_repl_check) ) {
2433 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2435 for (i=0; i<num_msgs_to_be_merged; ++i) {
2436 msgid = msgs_to_be_merged[i];
2438 if (supplied_msg != NULL) {
2442 msg = CtdlFetchMessage(msgid, 0, 1);
2446 ReplicationChecks(msg);
2448 /* If the message has an Exclusive ID, index that... */
2449 if (!CM_IsEmpty(msg, eExclusiveID)) {
2450 index_message_by_euid(msg->cm_fields[eExclusiveID], &CCC->room, msgid);
2453 /* Free up the memory we may have allocated */
2454 if (msg != supplied_msg) {
2463 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2466 /* Submit this room for processing by hooks */
2467 PerformRoomHooks(&CCC->room);
2469 /* Go back to the room we were in before we wandered here... */
2470 CtdlGetRoom(&CCC->room, hold_rm);
2472 /* Bump the reference count for all messages which were merged */
2473 if (!suppress_refcount_adj) {
2474 AdjRefCountList(msgs_to_be_merged, num_msgs_to_be_merged, +1);
2477 /* Free up memory... */
2478 if (msgs_to_be_merged != NULL) {
2479 free(msgs_to_be_merged);
2482 /* Return success. */
2488 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2491 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2492 int do_repl_check, struct CtdlMessage *supplied_msg)
2494 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2501 * Message base operation to save a new message to the message store
2502 * (returns new message number)
2504 * This is the back end for CtdlSubmitMsg() and should not be directly
2505 * called by server-side modules.
2508 long CtdlSaveThisMessage(struct CtdlMessage *msg, long msgid, int Reply) {
2509 struct CitContext *CCC = CC;
2517 * If the message is big, set its body aside for storage elsewhere
2518 * and we hide the message body from the serializer
2520 if (!CM_IsEmpty(msg, eMesageText) && msg->cm_lengths[eMesageText] > BIGMSG)
2523 holdM = msg->cm_fields[eMesageText];
2524 msg->cm_fields[eMesageText] = NULL;
2525 holdMLen = msg->cm_lengths[eMesageText];
2526 msg->cm_lengths[eMesageText] = 0;
2529 /* Serialize our data structure for storage in the database */
2530 CtdlSerializeMessage(&smr, msg);
2533 /* put the message body back into the message */
2534 msg->cm_fields[eMesageText] = holdM;
2535 msg->cm_lengths[eMesageText] = holdMLen;
2540 cprintf("%d Unable to serialize message\n",
2541 ERROR + INTERNAL_ERROR);
2544 MSGM_syslog(LOG_ERR, "CtdlSaveMessage() unable to serialize message");
2550 /* Write our little bundle of joy into the message base */
2551 retval = cdb_store(CDB_MSGMAIN, &msgid, (int)sizeof(long),
2554 MSG_syslog(LOG_ERR, "Can't store message %ld: %ld", msgid, retval);
2558 retval = cdb_store(CDB_BIGMSGS,
2565 MSG_syslog(LOG_ERR, "failed to store message body for msgid %ld: %ld",
2571 /* Free the memory we used for the serialized message */
2577 long send_message(struct CtdlMessage *msg) {
2583 /* Get a new message number */
2584 newmsgid = get_new_message_number();
2586 /* Generate an ID if we don't have one already */
2587 if (CM_IsEmpty(msg, emessageId)) {
2588 msgidbuflen = snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2589 (long unsigned int) time(NULL),
2590 (long unsigned int) newmsgid,
2591 CtdlGetConfigStr("c_fqdn")
2594 CM_SetField(msg, emessageId, msgidbuf, msgidbuflen);
2597 retval = CtdlSaveThisMessage(msg, newmsgid, 1);
2603 /* Return the *local* message ID to the caller
2604 * (even if we're storing an incoming network message)
2612 * Serialize a struct CtdlMessage into the format used on disk and network.
2614 * This function loads up a "struct ser_ret" (defined in server.h) which
2615 * contains the length of the serialized message and a pointer to the
2616 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2618 void CtdlSerializeMessage(struct ser_ret *ret, /* return values */
2619 struct CtdlMessage *msg) /* unserialized msg */
2621 struct CitContext *CCC = CC;
2626 * Check for valid message format
2628 if (CM_IsValidMsg(msg) == 0) {
2629 MSGM_syslog(LOG_ERR, "CtdlSerializeMessage() aborting due to invalid message\n");
2636 for (i=0; i < NDiskFields; ++i)
2637 if (msg->cm_fields[FieldOrder[i]] != NULL)
2638 ret->len += msg->cm_lengths[FieldOrder[i]] + 2;
2640 ret->ser = malloc(ret->len);
2641 if (ret->ser == NULL) {
2642 MSG_syslog(LOG_ERR, "CtdlSerializeMessage() malloc(%ld) failed: %s\n",
2643 (long)ret->len, strerror(errno));
2650 ret->ser[1] = msg->cm_anon_type;
2651 ret->ser[2] = msg->cm_format_type;
2654 for (i=0; i < NDiskFields; ++i)
2655 if (msg->cm_fields[FieldOrder[i]] != NULL)
2657 ret->ser[wlen++] = (char)FieldOrder[i];
2659 memcpy(&ret->ser[wlen],
2660 msg->cm_fields[FieldOrder[i]],
2661 msg->cm_lengths[FieldOrder[i]] + 1);
2663 wlen = wlen + msg->cm_lengths[FieldOrder[i]] + 1;
2666 if (ret->len != wlen) {
2667 MSG_syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2668 (long)ret->len, (long)wlen);
2676 * Check to see if any messages already exist in the current room which
2677 * carry the same Exclusive ID as this one. If any are found, delete them.
2679 void ReplicationChecks(struct CtdlMessage *msg) {
2680 struct CitContext *CCC = CC;
2681 long old_msgnum = (-1L);
2683 if (DoesThisRoomNeedEuidIndexing(&CCC->room) == 0) return;
2685 MSG_syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2688 /* No exclusive id? Don't do anything. */
2689 if (msg == NULL) return;
2690 if (CM_IsEmpty(msg, eExclusiveID)) return;
2692 /*MSG_syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2693 msg->cm_fields[eExclusiveID], CCC->room.QRname);*/
2695 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields[eExclusiveID], &CCC->room);
2696 if (old_msgnum > 0L) {
2697 MSG_syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2698 CtdlDeleteMessages(CCC->room.QRname, &old_msgnum, 1, "");
2705 * Save a message to disk and submit it into the delivery system.
2707 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2708 recptypes *recps, /* recipients (if mail) */
2709 const char *force, /* force a particular room? */
2710 int flags /* should the message be exported clean? */
2713 char hold_rm[ROOMNAMELEN];
2714 char actual_rm[ROOMNAMELEN];
2715 char force_room[ROOMNAMELEN];
2716 char content_type[SIZ]; /* We have to learn this */
2717 char recipient[SIZ];
2718 char bounce_to[1024];
2721 const char *mptr = NULL;
2722 struct ctdluser userbuf;
2724 struct MetaData smi;
2725 char *collected_addresses = NULL;
2726 struct addresses_to_be_filed *aptr = NULL;
2727 StrBuf *saved_rfc822_version = NULL;
2728 int qualified_for_journaling = 0;
2729 CitContext *CCC = MyContext();
2731 MSGM_syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
2732 if (CM_IsValidMsg(msg) == 0) return(-1); /* self check */
2734 /* If this message has no timestamp, we take the liberty of
2735 * giving it one, right now.
2737 if (CM_IsEmpty(msg, eTimestamp)) {
2738 CM_SetFieldLONG(msg, eTimestamp, time(NULL));
2741 /* If this message has no path, we generate one.
2743 if (CM_IsEmpty(msg, eMessagePath)) {
2744 if (!CM_IsEmpty(msg, eAuthor)) {
2745 CM_CopyField(msg, eMessagePath, eAuthor);
2746 for (a=0; !IsEmptyStr(&msg->cm_fields[eMessagePath][a]); ++a) {
2747 if (isspace(msg->cm_fields[eMessagePath][a])) {
2748 msg->cm_fields[eMessagePath][a] = ' ';
2753 CM_SetField(msg, eMessagePath, HKEY("unknown"));
2757 if (force == NULL) {
2758 force_room[0] = '\0';
2761 strcpy(force_room, force);
2764 /* Learn about what's inside, because it's what's inside that counts */
2765 if (CM_IsEmpty(msg, eMesageText)) {
2766 MSGM_syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
2770 switch (msg->cm_format_type) {
2772 strcpy(content_type, "text/x-citadel-variformat");
2775 strcpy(content_type, "text/plain");
2778 strcpy(content_type, "text/plain");
2779 mptr = bmstrcasestr(msg->cm_fields[eMesageText], "Content-type:");
2782 safestrncpy(content_type, &mptr[13], sizeof content_type);
2783 striplt(content_type);
2784 aptr = content_type;
2785 while (!IsEmptyStr(aptr)) {
2797 /* Goto the correct room */
2798 room = (recps) ? CCC->room.QRname : SENTITEMS;
2799 MSG_syslog(LOG_DEBUG, "Selected room %s\n", room);
2800 strcpy(hold_rm, CCC->room.QRname);
2801 strcpy(actual_rm, CCC->room.QRname);
2802 if (recps != NULL) {
2803 strcpy(actual_rm, SENTITEMS);
2806 /* If the user is a twit, move to the twit room for posting */
2808 if (CCC->user.axlevel == AxProbU) {
2809 strcpy(hold_rm, actual_rm);
2810 strcpy(actual_rm, CtdlGetConfigStr("c_twitroom"));
2811 MSGM_syslog(LOG_DEBUG, "Diverting to twit room\n");
2815 /* ...or if this message is destined for Aide> then go there. */
2816 if (!IsEmptyStr(force_room)) {
2817 strcpy(actual_rm, force_room);
2820 MSG_syslog(LOG_INFO, "Final selection: %s (%s)\n", actual_rm, room);
2821 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2822 /* CtdlGetRoom(&CCC->room, actual_rm); */
2823 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL, NULL, NULL);
2827 * If this message has no O (room) field, generate one.
2829 if (CM_IsEmpty(msg, eOriginalRoom)) {
2830 CM_SetField(msg, eOriginalRoom, CCC->room.QRname, strlen(CCC->room.QRname));
2833 /* Perform "before save" hooks (aborting if any return nonzero) */
2834 MSGM_syslog(LOG_DEBUG, "Performing before-save hooks\n");
2835 if (PerformMessageHooks(msg, recps, EVT_BEFORESAVE) > 0) return(-3);
2838 * If this message has an Exclusive ID, and the room is replication
2839 * checking enabled, then do replication checks.
2841 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2842 ReplicationChecks(msg);
2845 /* Save it to disk */
2846 MSGM_syslog(LOG_DEBUG, "Saving to disk\n");
2847 newmsgid = send_message(msg);
2848 if (newmsgid <= 0L) return(-5);
2850 /* Write a supplemental message info record. This doesn't have to
2851 * be a critical section because nobody else knows about this message
2854 MSGM_syslog(LOG_DEBUG, "Creating MetaData record\n");
2855 memset(&smi, 0, sizeof(struct MetaData));
2856 smi.meta_msgnum = newmsgid;
2857 smi.meta_refcount = 0;
2858 safestrncpy(smi.meta_content_type, content_type,
2859 sizeof smi.meta_content_type);
2862 * Measure how big this message will be when rendered as RFC822.
2863 * We do this for two reasons:
2864 * 1. We need the RFC822 length for the new metadata record, so the
2865 * POP and IMAP services don't have to calculate message lengths
2866 * while the user is waiting (multiplied by potentially hundreds
2867 * or thousands of messages).
2868 * 2. If journaling is enabled, we will need an RFC822 version of the
2869 * message to attach to the journalized copy.
2871 if (CCC->redirect_buffer != NULL) {
2872 MSGM_syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2875 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
2876 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2877 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
2878 saved_rfc822_version = CCC->redirect_buffer;
2879 CCC->redirect_buffer = NULL;
2883 /* Now figure out where to store the pointers */
2884 MSGM_syslog(LOG_DEBUG, "Storing pointers\n");
2886 /* If this is being done by the networker delivering a private
2887 * message, we want to BYPASS saving the sender's copy (because there
2888 * is no local sender; it would otherwise go to the Trashcan).
2890 if ((!CCC->internal_pgm) || (recps == NULL)) {
2891 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2892 MSGM_syslog(LOG_ERR, "ERROR saving message pointer!\n");
2893 CtdlSaveMsgPointerInRoom(CtdlGetConfigStr("c_aideroom"), newmsgid, 0, msg);
2897 /* For internet mail, drop a copy in the outbound queue room */
2898 if ((recps != NULL) && (recps->num_internet > 0)) {
2899 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2902 /* If other rooms are specified, drop them there too. */
2903 if ((recps != NULL) && (recps->num_room > 0))
2904 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2905 extract_token(recipient, recps->recp_room, i,
2906 '|', sizeof recipient);
2907 MSG_syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);///// xxxx
2908 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2911 /* Bump this user's messages posted counter. */
2912 MSGM_syslog(LOG_DEBUG, "Updating user\n");
2913 CtdlLockGetCurrentUser();
2914 CCC->user.posted = CCC->user.posted + 1;
2915 CtdlPutCurrentUserLock();
2917 /* Decide where bounces need to be delivered */
2918 if ((recps != NULL) && (recps->bounce_to == NULL))
2921 snprintf(bounce_to, sizeof bounce_to, "%s@%s",
2922 CCC->user.fullname, CtdlGetConfigStr("c_nodename"));
2924 snprintf(bounce_to, sizeof bounce_to, "%s@%s",
2925 msg->cm_fields[eAuthor], msg->cm_fields[eNodeName]);
2926 recps->bounce_to = bounce_to;
2929 CM_SetFieldLONG(msg, eVltMsgNum, newmsgid);
2932 /* If this is private, local mail, make a copy in the
2933 * recipient's mailbox and bump the reference count.
2935 if ((recps != NULL) && (recps->num_local > 0))
2940 pch = recps->recp_local;
2941 recps->recp_local = recipient;
2942 ntokens = num_tokens(pch, '|');
2943 for (i=0; i<ntokens; ++i)
2945 extract_token(recipient, pch, i, '|', sizeof recipient);
2946 MSG_syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n", recipient);
2947 if (CtdlGetUser(&userbuf, recipient) == 0) {
2948 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2949 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2950 CtdlBumpNewMailCounter(userbuf.usernum);
2951 PerformMessageHooks(msg, recps, EVT_AFTERUSRMBOXSAVE);
2954 MSG_syslog(LOG_DEBUG, "No user <%s>\n", recipient);
2955 CtdlSaveMsgPointerInRoom(CtdlGetConfigStr("c_aideroom"), newmsgid, 0, msg);
2958 recps->recp_local = pch;
2961 /* Perform "after save" hooks */
2962 MSGM_syslog(LOG_DEBUG, "Performing after-save hooks\n");
2964 PerformMessageHooks(msg, recps, EVT_AFTERSAVE);
2965 CM_FlushField(msg, eVltMsgNum);
2967 /* Go back to the room we started from */
2968 MSG_syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
2969 if (strcasecmp(hold_rm, CCC->room.QRname))
2970 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL, NULL, NULL);
2973 * Any addresses to harvest for someone's address book?
2975 if ( (CCC->logged_in) && (recps != NULL) ) {
2976 collected_addresses = harvest_collected_addresses(msg);
2979 if (collected_addresses != NULL) {
2980 aptr = (struct addresses_to_be_filed *)
2981 malloc(sizeof(struct addresses_to_be_filed));
2982 CtdlMailboxName(actual_rm, sizeof actual_rm,
2983 &CCC->user, USERCONTACTSROOM);
2984 aptr->roomname = strdup(actual_rm);
2985 aptr->collected_addresses = collected_addresses;
2986 begin_critical_section(S_ATBF);
2989 end_critical_section(S_ATBF);
2993 * Determine whether this message qualifies for journaling.
2995 if (!CM_IsEmpty(msg, eJournal)) {
2996 qualified_for_journaling = 0;
2999 if (recps == NULL) {
3000 qualified_for_journaling = CtdlGetConfigInt("c_journal_pubmsgs");
3002 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3003 qualified_for_journaling = CtdlGetConfigInt("c_journal_email");
3006 qualified_for_journaling = CtdlGetConfigInt("c_journal_pubmsgs");
3011 * Do we have to perform journaling? If so, hand off the saved
3012 * RFC822 version will be handed off to the journaler for background
3013 * submit. Otherwise, we have to free the memory ourselves.
3015 if (saved_rfc822_version != NULL) {
3016 if (qualified_for_journaling) {
3017 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3020 FreeStrBuf(&saved_rfc822_version);
3024 if ((recps != NULL) && (recps->bounce_to == bounce_to))
3025 recps->bounce_to = NULL;
3033 * Convenience function for generating small administrative messages.
3035 void quickie_message(const char *from,
3036 const char *fromaddr,
3041 const char *subject)
3043 struct CtdlMessage *msg;
3044 recptypes *recp = NULL;
3046 msg = malloc(sizeof(struct CtdlMessage));
3047 memset(msg, 0, sizeof(struct CtdlMessage));
3048 msg->cm_magic = CTDLMESSAGE_MAGIC;
3049 msg->cm_anon_type = MES_NORMAL;
3050 msg->cm_format_type = format_type;
3053 CM_SetField(msg, eAuthor, from, strlen(from));
3055 else if (fromaddr != NULL) {
3057 CM_SetField(msg, eAuthor, fromaddr, strlen(fromaddr));
3058 pAt = strchr(msg->cm_fields[eAuthor], '@');
3060 CM_CutFieldAt(msg, eAuthor, pAt - msg->cm_fields[eAuthor]);
3064 msg->cm_fields[eAuthor] = strdup("Citadel");
3067 if (fromaddr != NULL) CM_SetField(msg, erFc822Addr, fromaddr, strlen(fromaddr));
3068 if (room != NULL) CM_SetField(msg, eOriginalRoom, room, strlen(room));
3069 CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
3071 CM_SetField(msg, eRecipient, to, strlen(to));
3072 recp = validate_recipients(to, NULL, 0);
3074 if (subject != NULL) {
3075 CM_SetField(msg, eMsgSubject, subject, strlen(subject));
3077 CM_SetField(msg, eMesageText, text, strlen(text));
3079 CtdlSubmitMsg(msg, recp, room, 0);
3081 if (recp != NULL) free_recipients(recp);
3084 void flood_protect_quickie_message(const char *from,
3085 const char *fromaddr,
3090 const char *subject,
3092 const char **CritStr,
3093 const long *CritStrLen,
3099 u_char rawdigest[MD5_DIGEST_LEN];
3100 struct MD5Context md5context;
3104 static const time_t tsday = (8*60*60); /* just care for a day... */
3107 tslen = snprintf(timestamp, sizeof(timestamp), "%ld", tsday);
3108 MD5Init(&md5context);
3110 for (i = 0; i < nCriterions; i++)
3111 MD5Update(&md5context,
3112 (const unsigned char*)CritStr[i], CritStrLen[i]);
3113 MD5Update(&md5context,
3114 (const unsigned char*)timestamp, tslen);
3115 MD5Final(rawdigest, &md5context);
3117 guid = NewStrBufPlain(NULL,
3118 MD5_DIGEST_LEN * 2 + 12);
3119 StrBufHexEscAppend(guid, NULL, rawdigest, MD5_DIGEST_LEN);
3120 StrBufAppendBufPlain(guid, HKEY("_fldpt"), 0);
3121 if (StrLength(guid) > 40)
3122 StrBufCutAt(guid, 40, NULL);
3124 seenstamp = CheckIfAlreadySeen("FPAideMessage",
3131 if ((seenstamp > 0) && (seenstamp < tsday))
3134 /* yes, we did. flood protection kicks in. */
3136 "not sending message again - %ld < %ld \n", seenstamp, tsday);
3142 "sending message. %ld >= %ld", seenstamp, tsday);
3144 /* no, this message isn't sent recently; go ahead. */
3145 quickie_message(from,
3157 * Back end function used by CtdlMakeMessage() and similar functions
3159 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3161 size_t maxlen, /* maximum message length */
3162 StrBuf *exist, /* if non-null, append to it;
3163 exist is ALWAYS freed */
3164 int crlf, /* CRLF newlines instead of LF */
3165 int *sock /* socket handle or 0 for this session's client socket */
3174 LineBuf = NewStrBufPlain(NULL, SIZ);
3175 if (exist == NULL) {
3176 Message = NewStrBufPlain(NULL, 4 * SIZ);
3179 Message = NewStrBufDup(exist);
3182 /* Do we need to change leading ".." to "." for SMTP escaping? */
3183 if ((tlen == 1) && (*terminator == '.')) {
3187 /* read in the lines of message text one by one */
3190 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3195 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3197 if ((StrLength(LineBuf) == tlen) &&
3198 (!strcmp(ChrPtr(LineBuf), terminator)))
3201 if ( (!flushing) && (!finished) ) {
3203 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3206 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3209 /* Unescape SMTP-style input of two dots at the beginning of the line */
3211 (StrLength(LineBuf) == 2) &&
3212 (!strcmp(ChrPtr(LineBuf), "..")))
3214 StrBufCutLeft(LineBuf, 1);
3217 StrBufAppendBuf(Message, LineBuf, 0);
3220 /* if we've hit the max msg length, flush the rest */
3221 if (StrLength(Message) >= maxlen) flushing = 1;
3223 } while (!finished);
3224 FreeStrBuf(&LineBuf);
3228 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3232 FreeStrBuf(&(*Msg)->MsgBuf);
3238 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3240 size_t maxlen, /* maximum message length */
3241 size_t expectlen, /* if we expect a message, how long should it be? */
3242 StrBuf *exist, /* if non-null, append to it;
3243 exist is ALWAYS freed */
3244 long eLen, /* length of exist */
3245 int crlf /* CRLF newlines instead of LF */
3248 ReadAsyncMsg *NewMsg;
3250 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3251 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3253 if (exist == NULL) {
3256 if (expectlen == 0) {
3260 len = expectlen + 10;
3262 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3265 NewMsg->MsgBuf = NewStrBufDup(exist);
3267 /* Do we need to change leading ".." to "." for SMTP escaping? */
3268 if ((tlen == 1) && (*terminator == '.')) {
3272 NewMsg->terminator = terminator;
3273 NewMsg->tlen = tlen;
3275 NewMsg->maxlen = maxlen;
3277 NewMsg->crlf = crlf;
3283 * Back end function used by CtdlMakeMessage() and similar functions
3285 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3287 ReadAsyncMsg *ReadMsg;
3288 int MsgFinished = 0;
3289 eReadState Finished = eMustReadMore;
3294 const char *pch = ChrPtr(IO->SendBuf.Buf);
3295 const char *pchh = IO->SendBuf.ReadWritePointer;
3301 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3302 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3303 ((CitContext*)(IO->CitContext))->ServiceName,
3306 fd = fopen(fn, "a+");
3308 syslog(LOG_EMERG, "failed to open file %s: %s", fn, strerror(errno));
3314 ReadMsg = IO->ReadMsg;
3316 /* read in the lines of message text one by one */
3318 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3321 case eMustReadMore: /// read new from socket...
3323 if (IO->RecvBuf.ReadWritePointer != NULL) {
3324 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3325 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3327 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3331 fprintf(fd, "BufferEmpty! \n");
3337 case eBufferNotEmpty: /* shouldn't happen... */
3338 case eReadSuccess: /// done for now...
3340 case eReadFail: /// WHUT?
3346 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3347 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3350 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3353 else if (!ReadMsg->flushing) {
3356 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3359 /* Unescape SMTP-style input of two dots at the beginning of the line */
3360 if ((ReadMsg->dodot) &&
3361 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3362 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3365 fprintf(fd, "UnEscaped!\n");
3367 StrBufCutLeft(IO->IOBuf, 1);
3370 if (ReadMsg->crlf) {
3371 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3374 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3377 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3380 /* if we've hit the max msg length, flush the rest */
3381 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3383 } while (!MsgFinished);
3386 fprintf(fd, "Done with reading; %s.\n, ",
3387 (MsgFinished)?"Message Finished": "FAILED");
3391 return eReadSuccess;
3398 * Back end function used by CtdlMakeMessage() and similar functions
3400 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3402 size_t maxlen, /* maximum message length */
3403 StrBuf *exist, /* if non-null, append to it;
3404 exist is ALWAYS freed */
3405 int crlf, /* CRLF newlines instead of LF */
3406 int *sock /* socket handle or 0 for this session's client socket */
3411 Message = CtdlReadMessageBodyBuf(terminator,
3417 if (Message == NULL)
3420 return SmashStrBuf(&Message);
3423 struct CtdlMessage *CtdlMakeMessage(
3424 struct ctdluser *author, /* author's user structure */
3425 char *recipient, /* NULL if it's not mail */
3426 char *recp_cc, /* NULL if it's not mail */
3427 char *room, /* room where it's going */
3428 int type, /* see MES_ types in header file */
3429 int format_type, /* variformat, plain text, MIME... */
3430 char *fake_name, /* who we're masquerading as */
3431 char *my_email, /* which of my email addresses to use (empty is ok) */
3432 char *subject, /* Subject (optional) */
3433 char *supplied_euid, /* ...or NULL if this is irrelevant */
3434 char *preformatted_text, /* ...or NULL to read text from client */
3435 char *references /* Thread references */
3438 return CtdlMakeMessageLen(
3439 author, /* author's user structure */
3440 recipient, /* NULL if it's not mail */
3441 (recipient)?strlen(recipient) : 0,
3442 recp_cc, /* NULL if it's not mail */
3443 (recp_cc)?strlen(recp_cc): 0,
3444 room, /* room where it's going */
3445 (room)?strlen(room): 0,
3446 type, /* see MES_ types in header file */
3447 format_type, /* variformat, plain text, MIME... */
3448 fake_name, /* who we're masquerading as */
3449 (fake_name)?strlen(fake_name): 0,
3450 my_email, /* which of my email addresses to use (empty is ok) */
3451 (my_email)?strlen(my_email): 0,
3452 subject, /* Subject (optional) */
3453 (subject)?strlen(subject): 0,
3454 supplied_euid, /* ...or NULL if this is irrelevant */
3455 (supplied_euid)?strlen(supplied_euid):0,
3456 preformatted_text, /* ...or NULL to read text from client */
3457 (preformatted_text)?strlen(preformatted_text) : 0,
3458 references, /* Thread references */
3459 (references)?strlen(references):0);
3464 * Build a binary message to be saved on disk.
3465 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3466 * will become part of the message. This means you are no longer
3467 * responsible for managing that memory -- it will be freed along with
3468 * the rest of the fields when CM_Free() is called.)
3471 struct CtdlMessage *CtdlMakeMessageLen(
3472 struct ctdluser *author, /* author's user structure */
3473 char *recipient, /* NULL if it's not mail */
3475 char *recp_cc, /* NULL if it's not mail */
3477 char *room, /* room where it's going */
3479 int type, /* see MES_ types in header file */
3480 int format_type, /* variformat, plain text, MIME... */
3481 char *fake_name, /* who we're masquerading as */
3483 char *my_email, /* which of my email addresses to use (empty is ok) */
3485 char *subject, /* Subject (optional) */
3487 char *supplied_euid, /* ...or NULL if this is irrelevant */
3489 char *preformatted_text, /* ...or NULL to read text from client */
3491 char *references, /* Thread references */
3495 struct CitContext *CCC = CC;
3496 /* Don't confuse the poor folks if it's not routed mail. * /
3497 char dest_node[256] = "";*/
3500 struct CtdlMessage *msg;
3502 StrBuf *FakeEncAuthor = NULL;
3504 msg = malloc(sizeof(struct CtdlMessage));
3505 memset(msg, 0, sizeof(struct CtdlMessage));
3506 msg->cm_magic = CTDLMESSAGE_MAGIC;
3507 msg->cm_anon_type = type;
3508 msg->cm_format_type = format_type;
3510 if (recipient != NULL) rcplen = striplt(recipient);
3511 if (recp_cc != NULL) cclen = striplt(recp_cc);
3513 /* Path or Return-Path */
3515 CM_SetField(msg, eMessagePath, my_email, myelen);
3518 CM_SetField(msg, eMessagePath, author->fullname, strlen(author->fullname));
3520 convert_spaces_to_underscores(msg->cm_fields[eMessagePath]);
3522 blen = snprintf(buf, sizeof buf, "%ld", (long)time(NULL));
3523 CM_SetField(msg, eTimestamp, buf, blen);
3526 FakeAuthor = NewStrBufPlain (fake_name, fnlen);
3529 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3531 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3532 CM_SetAsFieldSB(msg, eAuthor, &FakeEncAuthor);
3533 FreeStrBuf(&FakeAuthor);
3535 if (CCC->room.QRflags & QR_MAILBOX) { /* room */
3536 CM_SetField(msg, eOriginalRoom, &CCC->room.QRname[11], strlen(&CCC->room.QRname[11]));
3539 CM_SetField(msg, eOriginalRoom, CCC->room.QRname, strlen(CCC->room.QRname));
3542 CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
3543 CM_SetField(msg, eHumanNode, CtdlGetConfigStr("c_humannode"), strlen(CtdlGetConfigStr("c_humannode")));
3546 CM_SetField(msg, eRecipient, recipient, rcplen);
3549 CM_SetField(msg, eCarbonCopY, recp_cc, cclen);
3553 CM_SetField(msg, erFc822Addr, my_email, myelen);
3555 else if ( (author == &CCC->user) && (!IsEmptyStr(CCC->cs_inet_email)) ) {
3556 CM_SetField(msg, erFc822Addr, CCC->cs_inet_email, strlen(CCC->cs_inet_email));
3559 if (subject != NULL) {
3561 length = striplt(subject);
3567 while ((subject[i] != '\0') &&
3568 (IsAscii = isascii(subject[i]) != 0 ))
3571 CM_SetField(msg, eMsgSubject, subject, subjlen);
3572 else /* ok, we've got utf8 in the string. */
3575 rfc2047Subj = rfc2047encode(subject, length);
3576 CM_SetAsField(msg, eMsgSubject, &rfc2047Subj, strlen(rfc2047Subj));
3583 CM_SetField(msg, eExclusiveID, supplied_euid, euidlen);
3587 CM_SetField(msg, eWeferences, references, reflen);
3590 if (preformatted_text != NULL) {
3591 CM_SetField(msg, eMesageText, preformatted_text, textlen);
3595 MsgBody = CtdlReadMessageBodyBuf(HKEY("000"), CtdlGetConfigLong("c_maxmsglen"), NULL, 0, 0);
3596 if (MsgBody != NULL) {
3597 CM_SetAsFieldSB(msg, eMesageText, &MsgBody);
3608 * API function to delete messages which match a set of criteria
3609 * (returns the actual number of messages deleted)
3611 int CtdlDeleteMessages(const char *room_name, /* which room */
3612 long *dmsgnums, /* array of msg numbers to be deleted */
3613 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
3614 char *content_type /* or "" for any. regular expressions expected. */
3617 struct CitContext *CCC = CC;
3618 struct ctdlroom qrbuf;
3619 struct cdbdata *cdbfr;
3620 long *msglist = NULL;
3621 long *dellist = NULL;
3624 int num_deleted = 0;
3626 struct MetaData smi;
3629 int need_to_free_re = 0;
3631 if (content_type) if (!IsEmptyStr(content_type)) {
3632 regcomp(&re, content_type, 0);
3633 need_to_free_re = 1;
3635 MSG_syslog(LOG_DEBUG, " CtdlDeleteMessages(%s, %d msgs, %s)\n",
3636 room_name, num_dmsgnums, content_type);
3638 /* get room record, obtaining a lock... */
3639 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
3640 MSG_syslog(LOG_ERR, " CtdlDeleteMessages(): Room <%s> not found\n",
3642 if (need_to_free_re) regfree(&re);
3643 return (0); /* room not found */
3645 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
3647 if (cdbfr != NULL) {
3648 dellist = malloc(cdbfr->len);
3649 msglist = (long *) cdbfr->ptr;
3650 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
3651 num_msgs = cdbfr->len / sizeof(long);
3655 int have_contenttype = (content_type != NULL) && !IsEmptyStr(content_type);
3656 int have_delmsgs = (num_dmsgnums == 0) || (dmsgnums == NULL);
3657 int have_more_del = 1;
3659 num_msgs = sort_msglist(msglist, num_msgs);
3660 if (num_dmsgnums > 1)
3661 num_dmsgnums = sort_msglist(dmsgnums, num_dmsgnums);
3664 StrBuf *dbg = NewStrBuf();
3665 for (i = 0; i < num_dmsgnums; i++)
3666 StrBufAppendPrintf(dbg, ", %ld", dmsgnums[i]);
3667 MSG_syslog(LOG_DEBUG, " Deleting before: %s", ChrPtr(dbg));
3672 while ((i < num_msgs) && (have_more_del)) {
3675 /* Set/clear a bit for each criterion */
3677 /* 0 messages in the list or a null list means that we are
3678 * interested in deleting any messages which meet the other criteria.
3681 delete_this |= 0x01;
3684 while ((i < num_msgs) && (msglist[i] < dmsgnums[j])) i++;
3689 if (msglist[i] == dmsgnums[j]) {
3690 delete_this |= 0x01;
3693 have_more_del = (j < num_dmsgnums);
3696 if (have_contenttype) {
3697 GetMetaData(&smi, msglist[i]);
3698 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
3699 delete_this |= 0x02;
3702 delete_this |= 0x02;
3705 /* Delete message only if all bits are set */
3706 if (delete_this == 0x03) {
3707 dellist[num_deleted++] = msglist[i];
3714 StrBuf *dbg = NewStrBuf();
3715 for (i = 0; i < num_deleted; i++)
3716 StrBufAppendPrintf(dbg, ", %ld", dellist[i]);
3717 MSG_syslog(LOG_DEBUG, " Deleting: %s", ChrPtr(dbg));
3721 num_msgs = sort_msglist(msglist, num_msgs);
3722 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
3723 msglist, (int)(num_msgs * sizeof(long)));
3726 qrbuf.QRhighest = msglist[num_msgs - 1];
3728 qrbuf.QRhighest = 0;
3730 CtdlPutRoomLock(&qrbuf);
3732 /* Go through the messages we pulled out of the index, and decrement
3733 * their reference counts by 1. If this is the only room the message
3734 * was in, the reference count will reach zero and the message will
3735 * automatically be deleted from the database. We do this in a
3736 * separate pass because there might be plug-in hooks getting called,
3737 * and we don't want that happening during an S_ROOMS critical
3741 for (i=0; i<num_deleted; ++i) {
3742 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
3744 AdjRefCountList(dellist, num_deleted, -1);
3746 /* Now free the memory we used, and go away. */
3747 if (msglist != NULL) free(msglist);
3748 if (dellist != NULL) free(dellist);
3749 MSG_syslog(LOG_DEBUG, " %d message(s) deleted.\n", num_deleted);
3750 if (need_to_free_re) regfree(&re);
3751 return (num_deleted);
3758 * GetMetaData() - Get the supplementary record for a message
3760 void GetMetaData(struct MetaData *smibuf, long msgnum)
3763 struct cdbdata *cdbsmi;
3766 memset(smibuf, 0, sizeof(struct MetaData));
3767 smibuf->meta_msgnum = msgnum;
3768 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3770 /* Use the negative of the message number for its supp record index */
3771 TheIndex = (0L - msgnum);
3773 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3774 if (cdbsmi == NULL) {
3775 return; /* record not found; go with defaults */
3777 memcpy(smibuf, cdbsmi->ptr,
3778 ((cdbsmi->len > sizeof(struct MetaData)) ?
3779 sizeof(struct MetaData) : cdbsmi->len));
3786 * PutMetaData() - (re)write supplementary record for a message
3788 void PutMetaData(struct MetaData *smibuf)
3792 /* Use the negative of the message number for the metadata db index */
3793 TheIndex = (0L - smibuf->meta_msgnum);
3795 cdb_store(CDB_MSGMAIN,
3796 &TheIndex, (int)sizeof(long),
3797 smibuf, (int)sizeof(struct MetaData));
3802 * AdjRefCount - submit an adjustment to the reference count for a message.
3803 * (These are just queued -- we actually process them later.)
3805 void AdjRefCount(long msgnum, int incr)
3807 struct CitContext *CCC = CC;
3808 struct arcq new_arcq;
3811 MSG_syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n", msgnum, incr);
3813 begin_critical_section(S_SUPPMSGMAIN);
3814 if (arcfp == NULL) {
3815 arcfp = fopen(file_arcq, "ab+");
3816 chown(file_arcq, CTDLUID, (-1));
3817 chmod(file_arcq, 0600);
3819 end_critical_section(S_SUPPMSGMAIN);
3821 /* msgnum < 0 means that we're trying to close the file */
3823 MSGM_syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
3824 begin_critical_section(S_SUPPMSGMAIN);
3825 if (arcfp != NULL) {
3829 end_critical_section(S_SUPPMSGMAIN);
3834 * If we can't open the queue, perform the operation synchronously.
3836 if (arcfp == NULL) {
3837 TDAP_AdjRefCount(msgnum, incr);
3841 new_arcq.arcq_msgnum = msgnum;
3842 new_arcq.arcq_delta = incr;
3843 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
3845 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
3854 void AdjRefCountList(long *msgnum, long nmsg, int incr)
3856 struct CitContext *CCC = CC;
3857 long i, the_size, offset;
3858 struct arcq *new_arcq;
3861 MSG_syslog(LOG_DEBUG, "AdjRefCountList() msg %ld ref count delta %+d\n", nmsg, incr);
3863 begin_critical_section(S_SUPPMSGMAIN);
3864 if (arcfp == NULL) {
3865 arcfp = fopen(file_arcq, "ab+");
3866 chown(file_arcq, CTDLUID, (-1));
3867 chmod(file_arcq, 0600);
3869 end_critical_section(S_SUPPMSGMAIN);
3872 * If we can't open the queue, perform the operation synchronously.
3874 if (arcfp == NULL) {
3875 for (i = 0; i < nmsg; i++)
3876 TDAP_AdjRefCount(msgnum[i], incr);
3880 the_size = sizeof(struct arcq) * nmsg;
3881 new_arcq = malloc(the_size);
3882 for (i = 0; i < nmsg; i++) {
3883 new_arcq[i].arcq_msgnum = msgnum[i];
3884 new_arcq[i].arcq_delta = incr;
3888 while ((rv >= 0) && (offset < the_size))
3890 rv = fwrite(new_arcq + offset, 1, the_size - offset, arcfp);
3892 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
3908 * TDAP_ProcessAdjRefCountQueue()
3910 * Process the queue of message count adjustments that was created by calls
3911 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
3912 * for each one. This should be an "off hours" operation.
3914 int TDAP_ProcessAdjRefCountQueue(void)
3916 struct CitContext *CCC = CC;
3917 char file_arcq_temp[PATH_MAX];
3920 struct arcq arcq_rec;
3921 int num_records_processed = 0;
3923 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
3925 begin_critical_section(S_SUPPMSGMAIN);
3926 if (arcfp != NULL) {
3931 r = link(file_arcq, file_arcq_temp);
3933 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3934 end_critical_section(S_SUPPMSGMAIN);
3935 return(num_records_processed);
3939 end_critical_section(S_SUPPMSGMAIN);
3941 fp = fopen(file_arcq_temp, "rb");
3943 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3944 return(num_records_processed);
3947 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
3948 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
3949 ++num_records_processed;
3953 r = unlink(file_arcq_temp);
3955 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
3958 return(num_records_processed);
3964 * TDAP_AdjRefCount - adjust the reference count for a message.
3965 * This one does it "for real" because it's called by
3966 * the autopurger function that processes the queue
3967 * created by AdjRefCount(). If a message's reference
3968 * count becomes zero, we also delete the message from
3969 * disk and de-index it.
3971 void TDAP_AdjRefCount(long msgnum, int incr)
3973 struct CitContext *CCC = CC;
3975 struct MetaData smi;
3978 /* This is a *tight* critical section; please keep it that way, as
3979 * it may get called while nested in other critical sections.
3980 * Complicating this any further will surely cause deadlock!
3982 begin_critical_section(S_SUPPMSGMAIN);
3983 GetMetaData(&smi, msgnum);
3984 smi.meta_refcount += incr;
3986 end_critical_section(S_SUPPMSGMAIN);
3987 MSG_syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
3988 msgnum, incr, smi.meta_refcount
3991 /* If the reference count is now zero, delete the message
3992 * (and its supplementary record as well).
3994 if (smi.meta_refcount == 0) {
3995 MSG_syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
3997 /* Call delete hooks with NULL room to show it has gone altogether */
3998 PerformDeleteHooks(NULL, msgnum);
4000 /* Remove from message base */
4002 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4003 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4005 /* Remove metadata record */
4006 delnum = (0L - msgnum);
4007 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4013 * Write a generic object to this room
4015 * Note: this could be much more efficient. Right now we use two temporary
4016 * files, and still pull the message into memory as with all others.
4018 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4019 char *content_type, /* MIME type of this object */
4020 char *raw_message, /* Data to be written */
4021 off_t raw_length, /* Size of raw_message */
4022 struct ctdluser *is_mailbox, /* Mailbox room? */
4023 int is_binary, /* Is encoding necessary? */
4024 int is_unique, /* Del others of this type? */
4025 unsigned int flags /* Internal save flags */
4028 struct CitContext *CCC = CC;
4029 struct ctdlroom qrbuf;
4030 char roomname[ROOMNAMELEN];
4031 struct CtdlMessage *msg;
4032 StrBuf *encoded_message = NULL;
4034 if (is_mailbox != NULL) {
4035 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4038 safestrncpy(roomname, req_room, sizeof(roomname));
4041 MSG_syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4044 encoded_message = NewStrBufPlain(NULL, (size_t) (((raw_length * 134) / 100) + 4096 ) );
4047 encoded_message = NewStrBufPlain(NULL, (size_t)(raw_length + 4096));
4050 StrBufAppendBufPlain(encoded_message, HKEY("Content-type: "), 0);
4051 StrBufAppendBufPlain(encoded_message, content_type, -1, 0);
4052 StrBufAppendBufPlain(encoded_message, HKEY("\n"), 0);
4055 StrBufAppendBufPlain(encoded_message, HKEY("Content-transfer-encoding: base64\n\n"), 0);
4058 StrBufAppendBufPlain(encoded_message, HKEY("Content-transfer-encoding: 7bit\n\n"), 0);
4062 StrBufBase64Append(encoded_message, NULL, raw_message, raw_length, 0);
4065 StrBufAppendBufPlain(encoded_message, raw_message, raw_length, 0);
4068 MSGM_syslog(LOG_DEBUG, "Allocating\n");
4069 msg = malloc(sizeof(struct CtdlMessage));
4070 memset(msg, 0, sizeof(struct CtdlMessage));
4071 msg->cm_magic = CTDLMESSAGE_MAGIC;
4072 msg->cm_anon_type = MES_NORMAL;
4073 msg->cm_format_type = 4;
4074 CM_SetField(msg, eAuthor, CCC->user.fullname, strlen(CCC->user.fullname));
4075 CM_SetField(msg, eOriginalRoom, req_room, strlen(req_room));
4076 CM_SetField(msg, eNodeName, CtdlGetConfigStr("c_nodename"), strlen(CtdlGetConfigStr("c_nodename")));
4077 CM_SetField(msg, eHumanNode, CtdlGetConfigStr("c_humannode"), strlen(CtdlGetConfigStr("c_humannode")));
4078 msg->cm_flags = flags;
4080 CM_SetAsFieldSB(msg, eMesageText, &encoded_message);
4082 /* Create the requested room if we have to. */
4083 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4084 CtdlCreateRoom(roomname,
4085 ( (is_mailbox != NULL) ? 5 : 3 ),
4086 "", 0, 1, 0, VIEW_BBS);
4088 /* If the caller specified this object as unique, delete all
4089 * other objects of this type that are currently in the room.
4092 MSG_syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
4093 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4096 /* Now write the data */
4097 CtdlSubmitMsg(msg, NULL, roomname, 0);
4103 /*****************************************************************************/
4104 /* MODULE INITIALIZATION STUFF */
4105 /*****************************************************************************/
4106 void SetMessageDebugEnabled(const int n)
4108 MessageDebugEnabled = n;
4110 CTDL_MODULE_INIT(msgbase)
4113 CtdlRegisterDebugFlagHook(HKEY("messages"), SetMessageDebugEnabled, &MessageDebugEnabled);
4116 /* return our Subversion id for the Log */