2 * Implements the message store.
4 * Copyright (c) 1987-2012 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.
21 #if TIME_WITH_SYS_TIME
22 # include <sys/time.h>
26 # include <sys/time.h>
39 #include <sys/types.h>
41 #include <libcitadel.h>
44 #include "serv_extensions.h"
48 #include "sysdep_decls.h"
49 #include "citserver.h"
56 #include "internet_addressing.h"
57 #include "euidindex.h"
58 #include "journaling.h"
59 #include "citadel_dirs.h"
60 #include "clientsocket.h"
63 #include "ctdl_module.h"
66 struct addresses_to_be_filed *atbf = NULL;
68 /* This temp file holds the queue of operations for AdjRefCount() */
69 static FILE *arcfp = NULL;
70 void AdjRefCountList(long *msgnum, long nmsg, int incr);
72 int MessageDebugEnabled = 0;
75 * These are the four-character field headers we use when outputting
76 * messages in Citadel format (as opposed to RFC822 format).
79 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
80 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
81 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
83 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
84 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
85 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
86 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
115 * This function is self explanatory.
116 * (What can I say, I'm in a weird mood today...)
118 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
122 for (i = 0; i < strlen(name); ++i) {
123 if (name[i] == '@') {
124 while (isspace(name[i - 1]) && i > 0) {
125 strcpy(&name[i - 1], &name[i]);
128 while (isspace(name[i + 1])) {
129 strcpy(&name[i + 1], &name[i + 2]);
137 * Aliasing for network mail.
138 * (Error messages have been commented out, because this is a server.)
140 int alias(char *name)
141 { /* process alias and routing info for mail */
142 struct CitContext *CCC = CC;
145 char aaa[SIZ], bbb[SIZ];
146 char *ignetcfg = NULL;
147 char *ignetmap = NULL;
153 char original_name[256];
154 safestrncpy(original_name, name, sizeof original_name);
157 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
158 stripallbut(name, '<', '>');
160 fp = fopen(file_mail_aliases, "r");
162 fp = fopen("/dev/null", "r");
169 while (fgets(aaa, sizeof aaa, fp) != NULL) {
170 while (isspace(name[0]))
171 strcpy(name, &name[1]);
172 aaa[strlen(aaa) - 1] = 0;
174 for (a = 0; a < strlen(aaa); ++a) {
176 strcpy(bbb, &aaa[a + 1]);
180 if (!strcasecmp(name, aaa))
185 /* Hit the Global Address Book */
186 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
190 if (strcasecmp(original_name, name)) {
191 MSG_syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
194 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
195 for (a=0; a<strlen(name); ++a) {
196 if (name[a] == '@') {
197 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
199 MSG_syslog(LOG_INFO, "Changed to <%s>\n", name);
204 /* determine local or remote type, see citadel.h */
205 at = haschar(name, '@');
206 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
207 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
208 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
210 /* figure out the delivery mode */
211 extract_token(node, name, 1, '@', sizeof node);
213 /* If there are one or more dots in the nodename, we assume that it
214 * is an FQDN and will attempt SMTP delivery to the Internet.
216 if (haschar(node, '.') > 0) {
217 return(MES_INTERNET);
220 /* Otherwise we look in the IGnet maps for a valid Citadel node.
221 * Try directly-connected nodes first...
223 ignetcfg = CtdlGetSysConfig(IGNETCFG);
224 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
225 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
226 extract_token(testnode, buf, 0, '|', sizeof testnode);
227 if (!strcasecmp(node, testnode)) {
235 * Then try nodes that are two or more hops away.
237 ignetmap = CtdlGetSysConfig(IGNETMAP);
238 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
239 extract_token(buf, ignetmap, i, '\n', sizeof buf);
240 extract_token(testnode, buf, 0, '|', sizeof testnode);
241 if (!strcasecmp(node, testnode)) {
248 /* If we get to this point it's an invalid node name */
254 * Back end for the MSGS command: output message number only.
256 void simple_listing(long msgnum, void *userdata)
258 cprintf("%ld\n", msgnum);
264 * Back end for the MSGS command: output header summary.
266 void headers_listing(long msgnum, void *userdata)
268 struct CtdlMessage *msg;
270 msg = CtdlFetchMessage(msgnum, 0);
272 cprintf("%ld|0|||||\n", msgnum);
276 cprintf("%ld|%s|%s|%s|%s|%s|\n",
278 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
279 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
280 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
281 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
282 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
284 CtdlFreeMessage(msg);
288 * Back end for the MSGS command: output EUID header.
290 void headers_euid(long msgnum, void *userdata)
292 struct CtdlMessage *msg;
294 msg = CtdlFetchMessage(msgnum, 0);
296 cprintf("%ld||\n", msgnum);
300 cprintf("%ld|%s|%s\n",
302 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
303 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
304 CtdlFreeMessage(msg);
311 /* Determine if a given message matches the fields in a message template.
312 * Return 0 for a successful match.
314 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
317 /* If there aren't any fields in the template, all messages will
320 if (template == NULL) return(0);
322 /* Null messages are bogus. */
323 if (msg == NULL) return(1);
325 for (i='A'; i<='Z'; ++i) {
326 if (template->cm_fields[i] != NULL) {
327 if (msg->cm_fields[i] == NULL) {
328 /* Considered equal if temmplate is empty string */
329 if (IsEmptyStr(template->cm_fields[i])) continue;
332 if (strcasecmp(msg->cm_fields[i],
333 template->cm_fields[i])) return 1;
337 /* All compares succeeded: we have a match! */
344 * Retrieve the "seen" message list for the current room.
346 void CtdlGetSeen(char *buf, int which_set) {
347 struct CitContext *CCC = CC;
350 /* Learn about the user and room in question */
351 CtdlGetRelationship(&vbuf, &CCC->user, &CCC->room);
353 if (which_set == ctdlsetseen_seen)
354 safestrncpy(buf, vbuf.v_seen, SIZ);
355 if (which_set == ctdlsetseen_answered)
356 safestrncpy(buf, vbuf.v_answered, SIZ);
362 * Manipulate the "seen msgs" string (or other message set strings)
364 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
365 int target_setting, int which_set,
366 struct ctdluser *which_user, struct ctdlroom *which_room) {
367 struct CitContext *CCC = CC;
368 struct cdbdata *cdbfr;
373 long hi = (-1L); /// TODO: we just write here. y?
382 char *is_set; /* actually an array of booleans */
384 /* Don't bother doing *anything* if we were passed a list of zero messages */
385 if (num_target_msgnums < 1) {
389 /* If no room was specified, we go with the current room. */
391 which_room = &CCC->room;
394 /* If no user was specified, we go with the current user. */
396 which_user = &CCC->user;
399 MSG_syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
400 num_target_msgnums, target_msgnums[0],
401 (target_setting ? "SET" : "CLEAR"),
405 /* Learn about the user and room in question */
406 CtdlGetRelationship(&vbuf, which_user, which_room);
408 /* Load the message list */
409 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
411 msglist = (long *) cdbfr->ptr;
412 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
413 num_msgs = cdbfr->len / sizeof(long);
416 return; /* No messages at all? No further action. */
419 is_set = malloc(num_msgs * sizeof(char));
420 memset(is_set, 0, (num_msgs * sizeof(char)) );
422 /* Decide which message set we're manipulating */
424 case ctdlsetseen_seen:
425 vset = NewStrBufPlain(vbuf.v_seen, -1);
427 case ctdlsetseen_answered:
428 vset = NewStrBufPlain(vbuf.v_answered, -1);
435 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
436 MSG_syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
437 for (i=0; i<num_msgs; ++i) {
438 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
440 MSG_syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
441 for (k=0; k<num_target_msgnums; ++k) {
442 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
446 MSG_syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
448 /* Translate the existing sequence set into an array of booleans */
449 setstr = NewStrBuf();
453 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
455 StrBufExtract_token(lostr, setstr, 0, ':');
456 if (StrBufNum_tokens(setstr, ':') >= 2) {
457 StrBufExtract_token(histr, setstr, 1, ':');
461 StrBufAppendBuf(histr, lostr, 0);
464 if (!strcmp(ChrPtr(histr), "*")) {
471 for (i = 0; i < num_msgs; ++i) {
472 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
482 /* Now translate the array of booleans back into a sequence set */
488 for (i=0; i<num_msgs; ++i) {
492 for (k=0; k<num_target_msgnums; ++k) {
493 if (msglist[i] == target_msgnums[k]) {
494 is_seen = target_setting;
498 if ((was_seen == 0) && (is_seen == 1)) {
501 else if ((was_seen == 1) && (is_seen == 0)) {
504 if (StrLength(vset) > 0) {
505 StrBufAppendBufPlain(vset, HKEY(","), 0);
508 StrBufAppendPrintf(vset, "%ld", hi);
511 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
515 if ((is_seen) && (i == num_msgs - 1)) {
516 if (StrLength(vset) > 0) {
517 StrBufAppendBufPlain(vset, HKEY(","), 0);
519 if ((i==0) || (was_seen == 0)) {
520 StrBufAppendPrintf(vset, "%ld", msglist[i]);
523 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
531 * We will have to stuff this string back into a 4096 byte buffer, so if it's
532 * larger than that now, truncate it by removing tokens from the beginning.
533 * The limit of 100 iterations is there to prevent an infinite loop in case
534 * something unexpected happens.
536 int number_of_truncations = 0;
537 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
538 StrBufRemove_token(vset, 0, ',');
539 ++number_of_truncations;
543 * If we're truncating the sequence set of messages marked with the 'seen' flag,
544 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
545 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
547 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
549 first_tok = NewStrBuf();
550 StrBufExtract_token(first_tok, vset, 0, ',');
551 StrBufRemove_token(vset, 0, ',');
553 if (StrBufNum_tokens(first_tok, ':') > 1) {
554 StrBufRemove_token(first_tok, 0, ':');
558 new_set = NewStrBuf();
559 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
560 StrBufAppendBuf(new_set, first_tok, 0);
561 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
562 StrBufAppendBuf(new_set, vset, 0);
565 FreeStrBuf(&first_tok);
569 MSG_syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
571 /* Decide which message set we're manipulating */
573 case ctdlsetseen_seen:
574 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
576 case ctdlsetseen_answered:
577 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
583 CtdlSetRelationship(&vbuf, which_user, which_room);
589 * API function to perform an operation for each qualifying message in the
590 * current room. (Returns the number of messages processed.)
592 int CtdlForEachMessage(int mode, long ref, char *search_string,
594 struct CtdlMessage *compare,
595 ForEachMsgCallback CallBack,
598 struct CitContext *CCC = CC;
601 struct cdbdata *cdbfr;
602 long *msglist = NULL;
604 int num_processed = 0;
607 struct CtdlMessage *msg = NULL;
610 int printed_lastold = 0;
611 int num_search_msgs = 0;
612 long *search_msgs = NULL;
614 int need_to_free_re = 0;
617 if ((content_type) && (!IsEmptyStr(content_type))) {
618 regcomp(&re, content_type, 0);
622 /* Learn about the user and room in question */
623 if (server_shutting_down) {
624 if (need_to_free_re) regfree(&re);
627 CtdlGetUser(&CCC->user, CCC->curr_user);
629 if (server_shutting_down) {
630 if (need_to_free_re) regfree(&re);
633 CtdlGetRelationship(&vbuf, &CCC->user, &CCC->room);
635 if (server_shutting_down) {
636 if (need_to_free_re) regfree(&re);
640 /* Load the message list */
641 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
643 if (need_to_free_re) regfree(&re);
644 return 0; /* No messages at all? No further action. */
647 msglist = (long *) cdbfr->ptr;
648 num_msgs = cdbfr->len / sizeof(long);
650 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
651 cdb_free(cdbfr); /* we own this memory now */
654 * Now begin the traversal.
656 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
658 /* If the caller is looking for a specific MIME type, filter
659 * out all messages which are not of the type requested.
661 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
663 /* This call to GetMetaData() sits inside this loop
664 * so that we only do the extra database read per msg
665 * if we need to. Doing the extra read all the time
666 * really kills the server. If we ever need to use
667 * metadata for another search criterion, we need to
668 * move the read somewhere else -- but still be smart
669 * enough to only do the read if the caller has
670 * specified something that will need it.
672 if (server_shutting_down) {
673 if (need_to_free_re) regfree(&re);
677 GetMetaData(&smi, msglist[a]);
679 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
680 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
686 num_msgs = sort_msglist(msglist, num_msgs);
688 /* If a template was supplied, filter out the messages which
689 * don't match. (This could induce some delays!)
692 if (compare != NULL) {
693 for (a = 0; a < num_msgs; ++a) {
694 if (server_shutting_down) {
695 if (need_to_free_re) regfree(&re);
699 msg = CtdlFetchMessage(msglist[a], 1);
701 if (CtdlMsgCmp(msg, compare)) {
704 CtdlFreeMessage(msg);
710 /* If a search string was specified, get a message list from
711 * the full text index and remove messages which aren't on both
715 * Since the lists are sorted and strictly ascending, and the
716 * output list is guaranteed to be shorter than or equal to the
717 * input list, we overwrite the bottom of the input list. This
718 * eliminates the need to memmove big chunks of the list over and
721 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
723 /* Call search module via hook mechanism.
724 * NULL means use any search function available.
725 * otherwise replace with a char * to name of search routine
727 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
729 if (num_search_msgs > 0) {
733 orig_num_msgs = num_msgs;
735 for (i=0; i<orig_num_msgs; ++i) {
736 for (j=0; j<num_search_msgs; ++j) {
737 if (msglist[i] == search_msgs[j]) {
738 msglist[num_msgs++] = msglist[i];
744 num_msgs = 0; /* No messages qualify */
746 if (search_msgs != NULL) free(search_msgs);
748 /* Now that we've purged messages which don't contain the search
749 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
756 * Now iterate through the message list, according to the
757 * criteria supplied by the caller.
760 for (a = 0; a < num_msgs; ++a) {
761 if (server_shutting_down) {
762 if (need_to_free_re) regfree(&re);
764 return num_processed;
766 thismsg = msglist[a];
767 if (mode == MSGS_ALL) {
771 is_seen = is_msg_in_sequence_set(
772 vbuf.v_seen, thismsg);
773 if (is_seen) lastold = thismsg;
779 || ((mode == MSGS_OLD) && (is_seen))
780 || ((mode == MSGS_NEW) && (!is_seen))
781 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
782 || ((mode == MSGS_FIRST) && (a < ref))
783 || ((mode == MSGS_GT) && (thismsg > ref))
784 || ((mode == MSGS_LT) && (thismsg < ref))
785 || ((mode == MSGS_EQ) && (thismsg == ref))
788 if ((mode == MSGS_NEW) && (CCC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
790 CallBack(lastold, userdata);
794 if (CallBack) CallBack(thismsg, userdata);
798 if (need_to_free_re) regfree(&re);
801 * We cache the most recent msglist in order to do security checks later
803 if (CCC->client_socket > 0) {
804 if (CCC->cached_msglist != NULL) {
805 free(CCC->cached_msglist);
807 CCC->cached_msglist = msglist;
808 CCC->cached_num_msgs = num_msgs;
814 return num_processed;
820 * cmd_msgs() - get list of message #'s in this room
821 * implements the MSGS server command using CtdlForEachMessage()
823 void cmd_msgs(char *cmdbuf)
832 int with_template = 0;
833 struct CtdlMessage *template = NULL;
834 char search_string[1024];
835 ForEachMsgCallback CallBack;
837 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
839 extract_token(which, cmdbuf, 0, '|', sizeof which);
840 cm_ref = extract_int(cmdbuf, 1);
841 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
842 with_template = extract_int(cmdbuf, 2);
843 switch (extract_int(cmdbuf, 3))
847 CallBack = simple_listing;
850 CallBack = headers_listing;
853 CallBack = headers_euid;
858 if (!strncasecmp(which, "OLD", 3))
860 else if (!strncasecmp(which, "NEW", 3))
862 else if (!strncasecmp(which, "FIRST", 5))
864 else if (!strncasecmp(which, "LAST", 4))
866 else if (!strncasecmp(which, "GT", 2))
868 else if (!strncasecmp(which, "LT", 2))
870 else if (!strncasecmp(which, "SEARCH", 6))
875 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
876 cprintf("%d Full text index is not enabled on this server.\n",
877 ERROR + CMD_NOT_SUPPORTED);
883 cprintf("%d Send template then receive message list\n",
885 template = (struct CtdlMessage *)
886 malloc(sizeof(struct CtdlMessage));
887 memset(template, 0, sizeof(struct CtdlMessage));
888 template->cm_magic = CTDLMESSAGE_MAGIC;
889 template->cm_anon_type = MES_NORMAL;
891 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
892 extract_token(tfield, buf, 0, '|', sizeof tfield);
893 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
894 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
895 if (!strcasecmp(tfield, msgkeys[i])) {
896 template->cm_fields[i] =
904 cprintf("%d \n", LISTING_FOLLOWS);
907 CtdlForEachMessage(mode,
908 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
909 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
914 if (template != NULL) CtdlFreeMessage(template);
922 * help_subst() - support routine for help file viewer
924 void help_subst(char *strbuf, char *source, char *dest)
929 while (p = pattern2(strbuf, source), (p >= 0)) {
930 strcpy(workbuf, &strbuf[p + strlen(source)]);
931 strcpy(&strbuf[p], dest);
932 strcat(strbuf, workbuf);
937 void do_help_subst(char *buffer)
941 help_subst(buffer, "^nodename", config.c_nodename);
942 help_subst(buffer, "^humannode", config.c_humannode);
943 help_subst(buffer, "^fqdn", config.c_fqdn);
944 help_subst(buffer, "^username", CC->user.fullname);
945 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
946 help_subst(buffer, "^usernum", buf2);
947 help_subst(buffer, "^sysadm", config.c_sysadm);
948 help_subst(buffer, "^variantname", CITADEL);
949 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
950 help_subst(buffer, "^maxsessions", buf2);
951 help_subst(buffer, "^bbsdir", ctdl_message_dir);
957 * memfmout() - Citadel text formatter and paginator.
958 * Although the original purpose of this routine was to format
959 * text to the reader's screen width, all we're really using it
960 * for here is to format text out to 80 columns before sending it
961 * to the client. The client software may reformat it again.
964 char *mptr, /* where are we going to get our text from? */
965 const char *nl /* string to terminate lines with */
967 struct CitContext *CCC = CC;
969 unsigned char ch = 0;
976 while (ch=*(mptr++), ch != 0) {
979 if (client_write(outbuf, len) == -1)
981 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
985 if (client_write(nl, nllen) == -1)
987 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
992 else if (ch == '\r') {
993 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
995 else if (isspace(ch)) {
996 if (column > 72) { /* Beyond 72 columns, break on the next space */
997 if (client_write(outbuf, len) == -1)
999 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1003 if (client_write(nl, nllen) == -1)
1005 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1018 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
1019 if (client_write(outbuf, len) == -1)
1021 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1025 if (client_write(nl, nllen) == -1)
1027 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1035 if (client_write(outbuf, len) == -1)
1037 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1041 client_write(nl, nllen);
1049 * Callback function for mime parser that simply lists the part
1051 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1052 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1053 char *cbid, void *cbuserdata)
1057 ma = (struct ma_info *)cbuserdata;
1058 if (ma->is_ma == 0) {
1059 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1072 * Callback function for multipart prefix
1074 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1075 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1076 char *cbid, void *cbuserdata)
1080 ma = (struct ma_info *)cbuserdata;
1081 if (!strcasecmp(cbtype, "multipart/alternative")) {
1085 if (ma->is_ma == 0) {
1086 cprintf("pref=%s|%s\n", partnum, cbtype);
1091 * Callback function for multipart sufffix
1093 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1094 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1095 char *cbid, void *cbuserdata)
1099 ma = (struct ma_info *)cbuserdata;
1100 if (ma->is_ma == 0) {
1101 cprintf("suff=%s|%s\n", partnum, cbtype);
1103 if (!strcasecmp(cbtype, "multipart/alternative")) {
1110 * Callback function for mime parser that opens a section for downloading
1112 void mime_download(char *name, char *filename, char *partnum, char *disp,
1113 void *content, char *cbtype, char *cbcharset, size_t length,
1114 char *encoding, char *cbid, void *cbuserdata)
1117 CitContext *CCC = MyContext();
1119 /* Silently go away if there's already a download open. */
1120 if (CCC->download_fp != NULL)
1124 (!IsEmptyStr(partnum) && (!strcasecmp(CCC->download_desired_section, partnum)))
1125 || (!IsEmptyStr(cbid) && (!strcasecmp(CCC->download_desired_section, cbid)))
1127 CCC->download_fp = tmpfile();
1128 if (CCC->download_fp == NULL) {
1129 MSG_syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1131 cprintf("%d cannot open temporary file: %s\n",
1132 ERROR + INTERNAL_ERROR, strerror(errno));
1136 rv = fwrite(content, length, 1, CC->download_fp);
1138 MSG_syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1140 cprintf("%d unable to write tempfile.\n",
1142 fclose(CCC->download_fp);
1143 CCC->download_fp = NULL;
1146 fflush(CCC->download_fp);
1147 rewind(CCC->download_fp);
1149 OpenCmdResult(filename, cbtype);
1156 * Callback function for mime parser that outputs a section all at once.
1157 * We can specify the desired section by part number *or* content-id.
1159 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1160 void *content, char *cbtype, char *cbcharset, size_t length,
1161 char *encoding, char *cbid, void *cbuserdata)
1163 int *found_it = (int *)cbuserdata;
1166 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1167 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1170 cprintf("%d %d|-1|%s|%s|%s\n",
1177 client_write(content, length);
1183 * Load a message from disk into memory.
1184 * This is used by CtdlOutputMsg() and other fetch functions.
1186 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1187 * using the CtdlMessageFree() function.
1189 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1191 struct CitContext *CCC = CC;
1192 struct cdbdata *dmsgtext;
1193 struct CtdlMessage *ret = NULL;
1197 cit_uint8_t field_header;
1199 MSG_syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1200 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1201 if (dmsgtext == NULL) {
1204 mptr = dmsgtext->ptr;
1205 upper_bound = mptr + dmsgtext->len;
1207 /* Parse the three bytes that begin EVERY message on disk.
1208 * The first is always 0xFF, the on-disk magic number.
1209 * The second is the anonymous/public type byte.
1210 * The third is the format type byte (vari, fixed, or MIME).
1214 MSG_syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1218 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1219 memset(ret, 0, sizeof(struct CtdlMessage));
1221 ret->cm_magic = CTDLMESSAGE_MAGIC;
1222 ret->cm_anon_type = *mptr++; /* Anon type byte */
1223 ret->cm_format_type = *mptr++; /* Format type byte */
1226 * The rest is zero or more arbitrary fields. Load them in.
1227 * We're done when we encounter either a zero-length field or
1228 * have just processed the 'M' (message text) field.
1231 if (mptr >= upper_bound) {
1234 field_header = *mptr++;
1235 ret->cm_fields[field_header] = strdup(mptr);
1237 while (*mptr++ != 0); /* advance to next field */
1239 } while ((mptr < upper_bound) && (field_header != 'M'));
1243 /* Always make sure there's something in the msg text field. If
1244 * it's NULL, the message text is most likely stored separately,
1245 * so go ahead and fetch that. Failing that, just set a dummy
1246 * body so other code doesn't barf.
1248 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1249 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1250 if (dmsgtext != NULL) {
1251 ret->cm_fields['M'] = dmsgtext->ptr;
1252 dmsgtext->ptr = NULL;
1256 if (ret->cm_fields['M'] == NULL) {
1257 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1260 /* Perform "before read" hooks (aborting if any return nonzero) */
1261 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1262 CtdlFreeMessage(ret);
1271 * Returns 1 if the supplied pointer points to a valid Citadel message.
1272 * If the pointer is NULL or the magic number check fails, returns 0.
1274 int is_valid_message(struct CtdlMessage *msg) {
1277 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1278 struct CitContext *CCC = CC;
1279 MSGM_syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1285 void CtdlFreeMessageContents(struct CtdlMessage *msg)
1289 for (i = 0; i < 256; ++i)
1290 if (msg->cm_fields[i] != NULL) {
1291 free(msg->cm_fields[i]);
1294 msg->cm_magic = 0; /* just in case */
1297 * 'Destructor' for struct CtdlMessage
1299 void CtdlFreeMessage(struct CtdlMessage *msg)
1301 if (is_valid_message(msg) == 0)
1303 if (msg != NULL) free (msg);
1306 CtdlFreeMessageContents(msg);
1312 * Pre callback function for multipart/alternative
1314 * NOTE: this differs from the standard behavior for a reason. Normally when
1315 * displaying multipart/alternative you want to show the _last_ usable
1316 * format in the message. Here we show the _first_ one, because it's
1317 * usually text/plain. Since this set of functions is designed for text
1318 * output to non-MIME-aware clients, this is the desired behavior.
1321 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1322 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1323 char *cbid, void *cbuserdata)
1325 struct CitContext *CCC = CC;
1328 ma = (struct ma_info *)cbuserdata;
1329 MSG_syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1330 if (!strcasecmp(cbtype, "multipart/alternative")) {
1334 if (!strcasecmp(cbtype, "message/rfc822")) {
1340 * Post callback function for multipart/alternative
1342 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1343 void *content, char *cbtype, char *cbcharset, size_t length,
1344 char *encoding, char *cbid, void *cbuserdata)
1346 struct CitContext *CCC = CC;
1349 ma = (struct ma_info *)cbuserdata;
1350 MSG_syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1351 if (!strcasecmp(cbtype, "multipart/alternative")) {
1355 if (!strcasecmp(cbtype, "message/rfc822")) {
1361 * Inline callback function for mime parser that wants to display text
1363 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1364 void *content, char *cbtype, char *cbcharset, size_t length,
1365 char *encoding, char *cbid, void *cbuserdata)
1367 struct CitContext *CCC = CC;
1373 ma = (struct ma_info *)cbuserdata;
1375 MSG_syslog(LOG_DEBUG,
1376 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1377 partnum, filename, cbtype, (long)length);
1380 * If we're in the middle of a multipart/alternative scope and
1381 * we've already printed another section, skip this one.
1383 if ( (ma->is_ma) && (ma->did_print) ) {
1384 MSG_syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1389 if ( (!strcasecmp(cbtype, "text/plain"))
1390 || (IsEmptyStr(cbtype)) ) {
1393 client_write(wptr, length);
1394 if (wptr[length-1] != '\n') {
1401 if (!strcasecmp(cbtype, "text/html")) {
1402 ptr = html_to_ascii(content, length, 80, 0);
1404 client_write(ptr, wlen);
1405 if ((wlen > 0) && (ptr[wlen-1] != '\n')) {
1412 if (ma->use_fo_hooks) {
1413 if (PerformFixedOutputHooks(cbtype, content, length)) {
1414 /* above function returns nonzero if it handled the part */
1419 if (strncasecmp(cbtype, "multipart/", 10)) {
1420 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1421 partnum, filename, cbtype, (long)length);
1427 * The client is elegant and sophisticated and wants to be choosy about
1428 * MIME content types, so figure out which multipart/alternative part
1429 * we're going to send.
1431 * We use a system of weights. When we find a part that matches one of the
1432 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1433 * and then set ma->chosen_pref to that MIME type's position in our preference
1434 * list. If we then hit another match, we only replace the first match if
1435 * the preference value is lower.
1437 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1438 void *content, char *cbtype, char *cbcharset, size_t length,
1439 char *encoding, char *cbid, void *cbuserdata)
1441 struct CitContext *CCC = CC;
1446 ma = (struct ma_info *)cbuserdata;
1448 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1449 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1450 // I don't know if there are any side effects! Please TEST TEST TEST
1451 //if (ma->is_ma > 0) {
1453 for (i=0; i<num_tokens(CCC->preferred_formats, '|'); ++i) {
1454 extract_token(buf, CCC->preferred_formats, i, '|', sizeof buf);
1455 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1456 if (i < ma->chosen_pref) {
1457 MSG_syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1458 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1459 ma->chosen_pref = i;
1466 * Now that we've chosen our preferred part, output it.
1468 void output_preferred(char *name,
1480 struct CitContext *CCC = CC;
1483 int add_newline = 0;
1486 char *decoded = NULL;
1487 size_t bytes_decoded;
1490 ma = (struct ma_info *)cbuserdata;
1492 /* This is not the MIME part you're looking for... */
1493 if (strcasecmp(partnum, ma->chosen_part)) return;
1495 /* If the content-type of this part is in our preferred formats
1496 * list, we can simply output it verbatim.
1498 for (i=0; i<num_tokens(CCC->preferred_formats, '|'); ++i) {
1499 extract_token(buf, CCC->preferred_formats, i, '|', sizeof buf);
1500 if (!strcasecmp(buf, cbtype)) {
1501 /* Yeah! Go! W00t!! */
1502 if (ma->dont_decode == 0)
1503 rc = mime_decode_now (content,
1509 break; /* Give us the chance, maybe theres another one. */
1511 if (rc == 0) text_content = (char *)content;
1513 text_content = decoded;
1514 length = bytes_decoded;
1517 if (text_content[length-1] != '\n') {
1520 cprintf("Content-type: %s", cbtype);
1521 if (!IsEmptyStr(cbcharset)) {
1522 cprintf("; charset=%s", cbcharset);
1524 cprintf("\nContent-length: %d\n",
1525 (int)(length + add_newline) );
1526 if (!IsEmptyStr(encoding)) {
1527 cprintf("Content-transfer-encoding: %s\n", encoding);
1530 cprintf("Content-transfer-encoding: 7bit\n");
1532 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1534 if (client_write(text_content, length) == -1)
1536 MSGM_syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1539 if (add_newline) cprintf("\n");
1540 if (decoded != NULL) free(decoded);
1545 /* No translations required or possible: output as text/plain */
1546 cprintf("Content-type: text/plain\n\n");
1548 if (ma->dont_decode == 0)
1549 rc = mime_decode_now (content,
1555 return; /* Give us the chance, maybe theres another one. */
1557 if (rc == 0) text_content = (char *)content;
1559 text_content = decoded;
1560 length = bytes_decoded;
1563 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1564 length, encoding, cbid, cbuserdata);
1565 if (decoded != NULL) free(decoded);
1570 char desired_section[64];
1577 * Callback function for
1579 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1580 void *content, char *cbtype, char *cbcharset, size_t length,
1581 char *encoding, char *cbid, void *cbuserdata)
1583 struct encapmsg *encap;
1585 encap = (struct encapmsg *)cbuserdata;
1587 /* Only proceed if this is the desired section... */
1588 if (!strcasecmp(encap->desired_section, partnum)) {
1589 encap->msglen = length;
1590 encap->msg = malloc(length + 2);
1591 memcpy(encap->msg, content, length);
1598 * Determine whether the specified message exists in the cached_msglist
1599 * (This is a security check)
1601 int check_cached_msglist(long msgnum) {
1602 struct CitContext *CCC = CC;
1604 /* cases in which we skip the check */
1605 if (!CCC) return om_ok; /* not a session */
1606 if (CCC->client_socket <= 0) return om_ok; /* not a client session */
1607 if (CCC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1608 if (CCC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1611 /* Do a binary search within the cached_msglist for the requested msgnum */
1613 int max = (CC->cached_num_msgs - 1);
1615 while (max >= min) {
1616 int middle = min + (max-min) / 2 ;
1617 if (msgnum == CCC->cached_msglist[middle]) {
1620 if (msgnum > CC->cached_msglist[middle]) {
1628 return om_access_denied;
1633 * Determine whether the currently logged in session has permission to read
1634 * messages in the current room.
1636 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1637 if ( (!(CC->logged_in))
1638 && (!(CC->internal_pgm))
1639 && (!config.c_guest_logins)
1641 return(om_not_logged_in);
1648 * Get a message off disk. (returns om_* values found in msgbase.h)
1651 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1652 int mode, /* how would you like that message? */
1653 int headers_only, /* eschew the message body? */
1654 int do_proto, /* do Citadel protocol responses? */
1655 int crlf, /* Use CRLF newlines instead of LF? */
1656 char *section, /* NULL or a message/rfc822 section */
1657 int flags, /* various flags; see msgbase.h */
1661 struct CitContext *CCC = CC;
1662 struct CtdlMessage *TheMessage = NULL;
1663 int retcode = CIT_OK;
1664 struct encapmsg encap;
1667 MSG_syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1669 (section ? section : "<>")
1672 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1675 if (r == om_not_logged_in) {
1676 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1679 cprintf("%d An unknown error has occurred.\n", ERROR);
1686 * Check to make sure the message is actually IN this room
1688 r = check_cached_msglist(msg_num);
1689 if (r == om_access_denied) {
1690 /* Not in the cache? We get ONE shot to check it again. */
1691 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1692 r = check_cached_msglist(msg_num);
1695 MSG_syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1696 msg_num, CCC->room.QRname
1699 if (r == om_access_denied) {
1700 cprintf("%d message %ld was not found in this room\n",
1701 ERROR + HIGHER_ACCESS_REQUIRED,
1710 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1711 * request that we don't even bother loading the body into memory.
1713 if (headers_only == HEADERS_FAST) {
1714 TheMessage = CtdlFetchMessage(msg_num, 0);
1717 TheMessage = CtdlFetchMessage(msg_num, 1);
1720 if (TheMessage == NULL) {
1721 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1722 ERROR + MESSAGE_NOT_FOUND, msg_num);
1723 return(om_no_such_msg);
1726 /* Here is the weird form of this command, to process only an
1727 * encapsulated message/rfc822 section.
1729 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1730 memset(&encap, 0, sizeof encap);
1731 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1732 mime_parser(TheMessage->cm_fields['M'],
1734 *extract_encapsulated_message,
1735 NULL, NULL, (void *)&encap, 0
1738 if ((Author != NULL) && (*Author == NULL))
1740 *Author = TheMessage->cm_fields['A'];
1741 TheMessage->cm_fields['A'] = NULL;
1743 if ((Address != NULL) && (*Address == NULL))
1745 *Address = TheMessage->cm_fields['F'];
1746 TheMessage->cm_fields['F'] = NULL;
1748 CtdlFreeMessage(TheMessage);
1752 encap.msg[encap.msglen] = 0;
1753 TheMessage = convert_internet_message(encap.msg);
1754 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1756 /* Now we let it fall through to the bottom of this
1757 * function, because TheMessage now contains the
1758 * encapsulated message instead of the top-level
1759 * message. Isn't that neat?
1765 cprintf("%d msg %ld has no part %s\n",
1766 ERROR + MESSAGE_NOT_FOUND,
1770 retcode = om_no_such_msg;
1775 /* Ok, output the message now */
1776 if (retcode == CIT_OK)
1777 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1778 if ((Author != NULL) && (*Author == NULL))
1780 *Author = TheMessage->cm_fields['A'];
1781 TheMessage->cm_fields['A'] = NULL;
1783 if ((Address != NULL) && (*Address == NULL))
1785 *Address = TheMessage->cm_fields['F'];
1786 TheMessage->cm_fields['F'] = NULL;
1789 CtdlFreeMessage(TheMessage);
1795 char *qp_encode_email_addrs(char *source)
1797 struct CitContext *CCC = CC;
1798 char *user, *node, *name;
1799 const char headerStr[] = "=?UTF-8?Q?";
1803 int need_to_encode = 0;
1809 long nAddrPtrMax = 50;
1814 if (source == NULL) return source;
1815 if (IsEmptyStr(source)) return source;
1816 if (MessageDebugEnabled != 0) cit_backtrace();
1817 MSG_syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1819 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1820 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1821 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1824 while (!IsEmptyStr (&source[i])) {
1825 if (nColons >= nAddrPtrMax){
1828 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1829 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1830 free (AddrPtr), AddrPtr = ptr;
1832 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1833 memset(&ptr[nAddrPtrMax], 0,
1834 sizeof (long) * nAddrPtrMax);
1836 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1837 free (AddrUtf8), AddrUtf8 = ptr;
1840 if (((unsigned char) source[i] < 32) ||
1841 ((unsigned char) source[i] > 126)) {
1843 AddrUtf8[nColons] = 1;
1845 if (source[i] == '"')
1846 InQuotes = !InQuotes;
1847 if (!InQuotes && source[i] == ',') {
1848 AddrPtr[nColons] = i;
1853 if (need_to_encode == 0) {
1860 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1861 Encoded = (char*) malloc (EncodedMaxLen);
1863 for (i = 0; i < nColons; i++)
1864 source[AddrPtr[i]++] = '\0';
1865 /* TODO: if libidn, this might get larger*/
1866 user = malloc(SourceLen + 1);
1867 node = malloc(SourceLen + 1);
1868 name = malloc(SourceLen + 1);
1872 for (i = 0; i < nColons && nPtr != NULL; i++) {
1873 nmax = EncodedMaxLen - (nPtr - Encoded);
1875 process_rfc822_addr(&source[AddrPtr[i]],
1879 /* TODO: libIDN here ! */
1880 if (IsEmptyStr(name)) {
1881 n = snprintf(nPtr, nmax,
1882 (i==0)?"%s@%s" : ",%s@%s",
1886 EncodedName = rfc2047encode(name, strlen(name));
1887 n = snprintf(nPtr, nmax,
1888 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1889 EncodedName, user, node);
1894 n = snprintf(nPtr, nmax,
1895 (i==0)?"%s" : ",%s",
1896 &source[AddrPtr[i]]);
1902 ptr = (char*) malloc(EncodedMaxLen * 2);
1903 memcpy(ptr, Encoded, EncodedMaxLen);
1904 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1905 free(Encoded), Encoded = ptr;
1907 i--; /* do it once more with properly lengthened buffer */
1910 for (i = 0; i < nColons; i++)
1911 source[--AddrPtr[i]] = ',';
1922 /* If the last item in a list of recipients was truncated to a partial address,
1923 * remove it completely in order to avoid choking libSieve
1925 void sanitize_truncated_recipient(char *str)
1928 if (num_tokens(str, ',') < 2) return;
1930 int len = strlen(str);
1931 if (len < 900) return;
1932 if (len > 998) str[998] = 0;
1934 char *cptr = strrchr(str, ',');
1937 char *lptr = strchr(cptr, '<');
1938 char *rptr = strchr(cptr, '>');
1940 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1946 void OutputCtdlMsgHeaders(
1947 struct CtdlMessage *TheMessage,
1948 int do_proto) /* do Citadel protocol responses? */
1954 char display_name[256];
1956 /* begin header processing loop for Citadel message format */
1957 safestrncpy(display_name, "<unknown>", sizeof display_name);
1958 if (TheMessage->cm_fields['A']) {
1959 strcpy(buf, TheMessage->cm_fields['A']);
1960 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1961 safestrncpy(display_name, "****", sizeof display_name);
1963 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1964 safestrncpy(display_name, "anonymous", sizeof display_name);
1967 safestrncpy(display_name, buf, sizeof display_name);
1969 if ((is_room_aide())
1970 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1971 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1972 size_t tmp = strlen(display_name);
1973 snprintf(&display_name[tmp],
1974 sizeof display_name - tmp,
1979 /* Don't show Internet address for users on the
1980 * local Citadel network.
1983 if (TheMessage->cm_fields['N'] != NULL)
1984 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1985 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1989 /* Now spew the header fields in the order we like them. */
1990 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1991 for (i=0; i<n; ++i) {
1992 k = (int) allkeys[i];
1994 if ( (TheMessage->cm_fields[k] != NULL)
1995 && (msgkeys[k] != NULL) ) {
1996 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1997 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
2000 if (do_proto) cprintf("%s=%s\n",
2004 else if ((k == 'F') && (suppress_f)) {
2007 /* Masquerade display name if needed */
2009 if (do_proto) cprintf("%s=%s\n",
2011 TheMessage->cm_fields[k]
2020 void OutputRFC822MsgHeaders(
2021 struct CtdlMessage *TheMessage,
2022 int flags, /* should the bessage be exported clean */
2024 char *mid, long sizeof_mid,
2025 char *suser, long sizeof_suser,
2026 char *luser, long sizeof_luser,
2027 char *fuser, long sizeof_fuser,
2028 char *snode, long sizeof_snode)
2030 char datestamp[100];
2031 int subject_found = 0;
2038 for (i = 0; i < 256; ++i) {
2039 if (TheMessage->cm_fields[i]) {
2040 mptr = mpptr = TheMessage->cm_fields[i];
2043 safestrncpy(luser, mptr, sizeof_luser);
2044 safestrncpy(suser, mptr, sizeof_suser);
2046 else if (i == 'Y') {
2047 if ((flags & QP_EADDR) != 0) {
2048 mptr = qp_encode_email_addrs(mptr);
2050 sanitize_truncated_recipient(mptr);
2051 cprintf("CC: %s%s", mptr, nl);
2053 else if (i == 'P') {
2054 cprintf("Return-Path: %s%s", mptr, nl);
2056 else if (i == 'L') {
2057 cprintf("List-ID: %s%s", mptr, nl);
2059 else if (i == 'V') {
2060 if ((flags & QP_EADDR) != 0)
2061 mptr = qp_encode_email_addrs(mptr);
2063 while ((*hptr != '\0') && isspace(*hptr))
2065 if (!IsEmptyStr(hptr))
2066 cprintf("Envelope-To: %s%s", hptr, nl);
2068 else if (i == 'U') {
2069 cprintf("Subject: %s%s", mptr, nl);
2073 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2075 safestrncpy(fuser, mptr, sizeof_fuser);
2076 /* else if (i == 'O')
2077 cprintf("X-Citadel-Room: %s%s",
2080 safestrncpy(snode, mptr, sizeof_snode);
2083 if (haschar(mptr, '@') == 0)
2085 sanitize_truncated_recipient(mptr);
2086 cprintf("To: %s@%s", mptr, config.c_fqdn);
2091 if ((flags & QP_EADDR) != 0) {
2092 mptr = qp_encode_email_addrs(mptr);
2094 sanitize_truncated_recipient(mptr);
2095 cprintf("To: %s", mptr);
2099 else if (i == 'T') {
2100 datestring(datestamp, sizeof datestamp,
2101 atol(mptr), DATESTRING_RFC822);
2102 cprintf("Date: %s%s", datestamp, nl);
2104 else if (i == 'W') {
2105 cprintf("References: ");
2106 k = num_tokens(mptr, '|');
2107 for (j=0; j<k; ++j) {
2108 extract_token(buf, mptr, j, '|', sizeof buf);
2109 cprintf("<%s>", buf);
2118 else if (i == 'K') {
2120 while ((*hptr != '\0') && isspace(*hptr))
2122 if (!IsEmptyStr(hptr))
2123 cprintf("Reply-To: %s%s", mptr, nl);
2129 if (subject_found == 0) {
2130 cprintf("Subject: (no subject)%s", nl);
2135 void Dump_RFC822HeadersBody(
2136 struct CtdlMessage *TheMessage,
2137 int headers_only, /* eschew the message body? */
2138 int flags, /* should the bessage be exported clean? */
2142 cit_uint8_t prev_ch;
2144 const char *StartOfText = StrBufNOTNULL;
2147 int nllen = strlen(nl);
2150 mptr = TheMessage->cm_fields['M'];
2154 while (*mptr != '\0') {
2155 if (*mptr == '\r') {
2162 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2164 eoh = *(mptr+1) == '\n';
2168 StartOfText = strchr(StartOfText, '\n');
2169 StartOfText = strchr(StartOfText, '\n');
2172 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2173 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2174 ((headers_only != HEADERS_NONE) &&
2175 (headers_only != HEADERS_ONLY))
2177 if (*mptr == '\n') {
2178 memcpy(&outbuf[outlen], nl, nllen);
2180 outbuf[outlen] = '\0';
2183 outbuf[outlen++] = *mptr;
2187 if (flags & ESC_DOT)
2189 if ((prev_ch == '\n') &&
2191 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2193 outbuf[outlen++] = '.';
2198 if (outlen > 1000) {
2199 if (client_write(outbuf, outlen) == -1)
2201 struct CitContext *CCC = CC;
2202 MSGM_syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2209 client_write(outbuf, outlen);
2215 /* If the format type on disk is 1 (fixed-format), then we want
2216 * everything to be output completely literally ... regardless of
2217 * what message transfer format is in use.
2219 void DumpFormatFixed(
2220 struct CtdlMessage *TheMessage,
2221 int mode, /* how would you like that message? */
2228 int nllen = strlen (nl);
2231 mptr = TheMessage->cm_fields['M'];
2233 if (mode == MT_MIME) {
2234 cprintf("Content-type: text/plain\n\n");
2238 while (ch = *mptr++, ch > 0) {
2242 if ((buflen > 250) && (!xlline)){
2246 while ((buflen > 0) &&
2247 (!isspace(buf[buflen])))
2253 mptr -= tbuflen - buflen;
2258 /* if we reach the outer bounds of our buffer,
2259 abort without respect what whe purge. */
2262 (buflen > SIZ - nllen - 2)))
2266 memcpy (&buf[buflen], nl, nllen);
2270 if (client_write(buf, buflen) == -1)
2272 struct CitContext *CCC = CC;
2273 MSGM_syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2285 if (!IsEmptyStr(buf))
2286 cprintf("%s%s", buf, nl);
2290 * Get a message off disk. (returns om_* values found in msgbase.h)
2292 int CtdlOutputPreLoadedMsg(
2293 struct CtdlMessage *TheMessage,
2294 int mode, /* how would you like that message? */
2295 int headers_only, /* eschew the message body? */
2296 int do_proto, /* do Citadel protocol responses? */
2297 int crlf, /* Use CRLF newlines instead of LF? */
2298 int flags /* should the bessage be exported clean? */
2300 struct CitContext *CCC = CC;
2303 const char *nl; /* newline string */
2306 /* Buffers needed for RFC822 translation. These are all filled
2307 * using functions that are bounds-checked, and therefore we can
2308 * make them substantially smaller than SIZ.
2316 MSG_syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2317 ((TheMessage == NULL) ? "NULL" : "not null"),
2318 mode, headers_only, do_proto, crlf);
2320 strcpy(mid, "unknown");
2321 nl = (crlf ? "\r\n" : "\n");
2323 if (!is_valid_message(TheMessage)) {
2324 MSGM_syslog(LOG_ERR,
2325 "ERROR: invalid preloaded message for output\n");
2327 return(om_no_such_msg);
2330 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2331 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2333 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2334 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2337 /* Are we downloading a MIME component? */
2338 if (mode == MT_DOWNLOAD) {
2339 if (TheMessage->cm_format_type != FMT_RFC822) {
2341 cprintf("%d This is not a MIME message.\n",
2342 ERROR + ILLEGAL_VALUE);
2343 } else if (CCC->download_fp != NULL) {
2344 if (do_proto) cprintf(
2345 "%d You already have a download open.\n",
2346 ERROR + RESOURCE_BUSY);
2348 /* Parse the message text component */
2349 mptr = TheMessage->cm_fields['M'];
2350 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2351 /* If there's no file open by this time, the requested
2352 * section wasn't found, so print an error
2354 if (CCC->download_fp == NULL) {
2355 if (do_proto) cprintf(
2356 "%d Section %s not found.\n",
2357 ERROR + FILE_NOT_FOUND,
2358 CCC->download_desired_section);
2361 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2364 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2365 * in a single server operation instead of opening a download file.
2367 if (mode == MT_SPEW_SECTION) {
2368 if (TheMessage->cm_format_type != FMT_RFC822) {
2370 cprintf("%d This is not a MIME message.\n",
2371 ERROR + ILLEGAL_VALUE);
2373 /* Parse the message text component */
2376 mptr = TheMessage->cm_fields['M'];
2377 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2378 /* If section wasn't found, print an error
2381 if (do_proto) cprintf(
2382 "%d Section %s not found.\n",
2383 ERROR + FILE_NOT_FOUND,
2384 CCC->download_desired_section);
2387 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2390 /* now for the user-mode message reading loops */
2391 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2393 /* Does the caller want to skip the headers? */
2394 if (headers_only == HEADERS_NONE) goto START_TEXT;
2396 /* Tell the client which format type we're using. */
2397 if ( (mode == MT_CITADEL) && (do_proto) ) {
2398 cprintf("type=%d\n", TheMessage->cm_format_type);
2401 /* nhdr=yes means that we're only displaying headers, no body */
2402 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2403 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2406 cprintf("nhdr=yes\n");
2409 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2410 OutputCtdlMsgHeaders(TheMessage, do_proto);
2413 /* begin header processing loop for RFC822 transfer format */
2417 strcpy(snode, NODENAME);
2418 if (mode == MT_RFC822)
2419 OutputRFC822MsgHeaders(
2424 suser, sizeof(suser),
2425 luser, sizeof(luser),
2426 fuser, sizeof(fuser),
2427 snode, sizeof(snode)
2431 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2432 suser[i] = tolower(suser[i]);
2433 if (!isalnum(suser[i])) suser[i]='_';
2436 if (mode == MT_RFC822) {
2437 if (!strcasecmp(snode, NODENAME)) {
2438 safestrncpy(snode, FQDN, sizeof snode);
2441 /* Construct a fun message id */
2442 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2443 if (strchr(mid, '@')==NULL) {
2444 cprintf("@%s", snode);
2448 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2449 cprintf("From: \"----\" <x@x.org>%s", nl);
2451 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2452 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2454 else if (!IsEmptyStr(fuser)) {
2455 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2458 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2461 /* Blank line signifying RFC822 end-of-headers */
2462 if (TheMessage->cm_format_type != FMT_RFC822) {
2467 /* end header processing loop ... at this point, we're in the text */
2469 if (headers_only == HEADERS_FAST) goto DONE;
2471 /* Tell the client about the MIME parts in this message */
2472 if (TheMessage->cm_format_type == FMT_RFC822) {
2473 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2474 mptr = TheMessage->cm_fields['M'];
2475 memset(&ma, 0, sizeof(struct ma_info));
2476 mime_parser(mptr, NULL,
2477 (do_proto ? *list_this_part : NULL),
2478 (do_proto ? *list_this_pref : NULL),
2479 (do_proto ? *list_this_suff : NULL),
2482 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2483 Dump_RFC822HeadersBody(
2492 if (headers_only == HEADERS_ONLY) {
2496 /* signify start of msg text */
2497 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2498 if (do_proto) cprintf("text\n");
2501 if (TheMessage->cm_format_type == FMT_FIXED)
2504 mode, /* how would you like that message? */
2507 /* If the message on disk is format 0 (Citadel vari-format), we
2508 * output using the formatter at 80 columns. This is the final output
2509 * form if the transfer format is RFC822, but if the transfer format
2510 * is Citadel proprietary, it'll still work, because the indentation
2511 * for new paragraphs is correct and the client will reformat the
2512 * message to the reader's screen width.
2514 if (TheMessage->cm_format_type == FMT_CITADEL) {
2515 mptr = TheMessage->cm_fields['M'];
2517 if (mode == MT_MIME) {
2518 cprintf("Content-type: text/x-citadel-variformat\n\n");
2523 /* If the message on disk is format 4 (MIME), we've gotta hand it
2524 * off to the MIME parser. The client has already been told that
2525 * this message is format 1 (fixed format), so the callback function
2526 * we use will display those parts as-is.
2528 if (TheMessage->cm_format_type == FMT_RFC822) {
2529 memset(&ma, 0, sizeof(struct ma_info));
2531 if (mode == MT_MIME) {
2532 ma.use_fo_hooks = 0;
2533 strcpy(ma.chosen_part, "1");
2534 ma.chosen_pref = 9999;
2535 ma.dont_decode = CCC->msg4_dont_decode;
2536 mime_parser(mptr, NULL,
2537 *choose_preferred, *fixed_output_pre,
2538 *fixed_output_post, (void *)&ma, 1);
2539 mime_parser(mptr, NULL,
2540 *output_preferred, NULL, NULL, (void *)&ma, 1);
2543 ma.use_fo_hooks = 1;
2544 mime_parser(mptr, NULL,
2545 *fixed_output, *fixed_output_pre,
2546 *fixed_output_post, (void *)&ma, 0);
2551 DONE: /* now we're done */
2552 if (do_proto) cprintf("000\n");
2558 * display a message (mode 0 - Citadel proprietary)
2560 void cmd_msg0(char *cmdbuf)
2563 int headers_only = HEADERS_ALL;
2565 msgid = extract_long(cmdbuf, 0);
2566 headers_only = extract_int(cmdbuf, 1);
2568 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0, NULL, NULL);
2574 * display a message (mode 2 - RFC822)
2576 void cmd_msg2(char *cmdbuf)
2579 int headers_only = HEADERS_ALL;
2581 msgid = extract_long(cmdbuf, 0);
2582 headers_only = extract_int(cmdbuf, 1);
2584 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0, NULL, NULL);
2590 * display a message (mode 3 - IGnet raw format - internal programs only)
2592 void cmd_msg3(char *cmdbuf)
2595 struct CtdlMessage *msg = NULL;
2598 if (CC->internal_pgm == 0) {
2599 cprintf("%d This command is for internal programs only.\n",
2600 ERROR + HIGHER_ACCESS_REQUIRED);
2604 msgnum = extract_long(cmdbuf, 0);
2605 msg = CtdlFetchMessage(msgnum, 1);
2607 cprintf("%d Message %ld not found.\n",
2608 ERROR + MESSAGE_NOT_FOUND, msgnum);
2612 serialize_message(&smr, msg);
2613 CtdlFreeMessage(msg);
2616 cprintf("%d Unable to serialize message\n",
2617 ERROR + INTERNAL_ERROR);
2621 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2622 client_write((char *)smr.ser, (int)smr.len);
2629 * Display a message using MIME content types
2631 void cmd_msg4(char *cmdbuf)
2636 msgid = extract_long(cmdbuf, 0);
2637 extract_token(section, cmdbuf, 1, '|', sizeof section);
2638 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0, NULL, NULL);
2644 * Client tells us its preferred message format(s)
2646 void cmd_msgp(char *cmdbuf)
2648 if (!strcasecmp(cmdbuf, "dont_decode")) {
2649 CC->msg4_dont_decode = 1;
2650 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2653 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2654 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2660 * Open a component of a MIME message as a download file
2662 void cmd_opna(char *cmdbuf)
2665 char desired_section[128];
2667 msgid = extract_long(cmdbuf, 0);
2668 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2669 safestrncpy(CC->download_desired_section, desired_section,
2670 sizeof CC->download_desired_section);
2671 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0, NULL, NULL);
2676 * Open a component of a MIME message and transmit it all at once
2678 void cmd_dlat(char *cmdbuf)
2681 char desired_section[128];
2683 msgid = extract_long(cmdbuf, 0);
2684 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2685 safestrncpy(CC->download_desired_section, desired_section,
2686 sizeof CC->download_desired_section);
2687 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0, NULL, NULL);
2692 * Save one or more message pointers into a specified room
2693 * (Returns 0 for success, nonzero for failure)
2694 * roomname may be NULL to use the current room
2696 * Note that the 'supplied_msg' field may be set to NULL, in which case
2697 * the message will be fetched from disk, by number, if we need to perform
2698 * replication checks. This adds an additional database read, so if the
2699 * caller already has the message in memory then it should be supplied. (Obviously
2700 * this mode of operation only works if we're saving a single message.)
2702 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2703 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2705 struct CitContext *CCC = CC;
2707 char hold_rm[ROOMNAMELEN];
2708 struct cdbdata *cdbfr;
2711 long highest_msg = 0L;
2714 struct CtdlMessage *msg = NULL;
2716 long *msgs_to_be_merged = NULL;
2717 int num_msgs_to_be_merged = 0;
2719 MSG_syslog(LOG_DEBUG,
2720 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2721 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2724 strcpy(hold_rm, CCC->room.QRname);
2727 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2728 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2729 if (num_newmsgs > 1) supplied_msg = NULL;
2731 /* Now the regular stuff */
2732 if (CtdlGetRoomLock(&CCC->room,
2733 ((roomname != NULL) ? roomname : CCC->room.QRname) )
2735 MSG_syslog(LOG_ERR, "No such room <%s>\n", roomname);
2736 return(ERROR + ROOM_NOT_FOUND);
2740 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2741 num_msgs_to_be_merged = 0;
2744 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
2745 if (cdbfr == NULL) {
2749 msglist = (long *) cdbfr->ptr;
2750 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2751 num_msgs = cdbfr->len / sizeof(long);
2756 /* Create a list of msgid's which were supplied by the caller, but do
2757 * not already exist in the target room. It is absolutely taboo to
2758 * have more than one reference to the same message in a room.
2760 for (i=0; i<num_newmsgs; ++i) {
2762 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2763 if (msglist[j] == newmsgidlist[i]) {
2768 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2772 MSG_syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2775 * Now merge the new messages
2777 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2778 if (msglist == NULL) {
2779 MSGM_syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2780 free(msgs_to_be_merged);
2781 return (ERROR + INTERNAL_ERROR);
2783 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2784 num_msgs += num_msgs_to_be_merged;
2786 /* Sort the message list, so all the msgid's are in order */
2787 num_msgs = sort_msglist(msglist, num_msgs);
2789 /* Determine the highest message number */
2790 highest_msg = msglist[num_msgs - 1];
2792 /* Write it back to disk. */
2793 cdb_store(CDB_MSGLISTS, &CCC->room.QRnumber, (int)sizeof(long),
2794 msglist, (int)(num_msgs * sizeof(long)));
2796 /* Free up the memory we used. */
2799 /* Update the highest-message pointer and unlock the room. */
2800 CCC->room.QRhighest = highest_msg;
2801 CtdlPutRoomLock(&CCC->room);
2803 /* Perform replication checks if necessary */
2804 if ( (DoesThisRoomNeedEuidIndexing(&CCC->room)) && (do_repl_check) ) {
2805 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2807 for (i=0; i<num_msgs_to_be_merged; ++i) {
2808 msgid = msgs_to_be_merged[i];
2810 if (supplied_msg != NULL) {
2814 msg = CtdlFetchMessage(msgid, 0);
2818 ReplicationChecks(msg);
2820 /* If the message has an Exclusive ID, index that... */
2821 if (msg->cm_fields['E'] != NULL) {
2822 index_message_by_euid(msg->cm_fields['E'], &CCC->room, msgid);
2825 /* Free up the memory we may have allocated */
2826 if (msg != supplied_msg) {
2827 CtdlFreeMessage(msg);
2835 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2838 /* Submit this room for processing by hooks */
2839 PerformRoomHooks(&CCC->room);
2841 /* Go back to the room we were in before we wandered here... */
2842 CtdlGetRoom(&CCC->room, hold_rm);
2844 /* Bump the reference count for all messages which were merged */
2845 if (!suppress_refcount_adj) {
2846 AdjRefCountList(msgs_to_be_merged, num_msgs_to_be_merged, +1);
2849 /* Free up memory... */
2850 if (msgs_to_be_merged != NULL) {
2851 free(msgs_to_be_merged);
2854 /* Return success. */
2860 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2863 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2864 int do_repl_check, struct CtdlMessage *supplied_msg)
2866 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2873 * Message base operation to save a new message to the message store
2874 * (returns new message number)
2876 * This is the back end for CtdlSubmitMsg() and should not be directly
2877 * called by server-side modules.
2880 long send_message(struct CtdlMessage *msg) {
2881 struct CitContext *CCC = CC;
2889 /* Get a new message number */
2890 newmsgid = get_new_message_number();
2891 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2892 (long unsigned int) time(NULL),
2893 (long unsigned int) newmsgid,
2897 /* Generate an ID if we don't have one already */
2898 if (msg->cm_fields['I']==NULL) {
2899 msg->cm_fields['I'] = strdup(msgidbuf);
2902 /* If the message is big, set its body aside for storage elsewhere */
2903 if (msg->cm_fields['M'] != NULL) {
2904 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2906 holdM = msg->cm_fields['M'];
2907 msg->cm_fields['M'] = NULL;
2911 /* Serialize our data structure for storage in the database */
2912 serialize_message(&smr, msg);
2915 msg->cm_fields['M'] = holdM;
2919 cprintf("%d Unable to serialize message\n",
2920 ERROR + INTERNAL_ERROR);
2924 /* Write our little bundle of joy into the message base */
2925 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2926 smr.ser, smr.len) < 0) {
2927 MSGM_syslog(LOG_ERR, "Can't store message\n");
2931 cdb_store(CDB_BIGMSGS,
2941 /* Free the memory we used for the serialized message */
2944 /* Return the *local* message ID to the caller
2945 * (even if we're storing an incoming network message)
2953 * Serialize a struct CtdlMessage into the format used on disk and network.
2955 * This function loads up a "struct ser_ret" (defined in server.h) which
2956 * contains the length of the serialized message and a pointer to the
2957 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2959 void serialize_message(struct ser_ret *ret, /* return values */
2960 struct CtdlMessage *msg) /* unserialized msg */
2962 struct CitContext *CCC = CC;
2963 size_t wlen, fieldlen;
2965 static char *forder = FORDER;
2968 * Check for valid message format
2970 if (is_valid_message(msg) == 0) {
2971 MSGM_syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2978 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2979 ret->len = ret->len +
2980 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2982 ret->ser = malloc(ret->len);
2983 if (ret->ser == NULL) {
2984 MSG_syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2985 (long)ret->len, strerror(errno));
2992 ret->ser[1] = msg->cm_anon_type;
2993 ret->ser[2] = msg->cm_format_type;
2996 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2997 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2998 ret->ser[wlen++] = (char)forder[i];
2999 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
3000 wlen = wlen + fieldlen + 1;
3002 if (ret->len != wlen) {
3003 MSG_syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
3004 (long)ret->len, (long)wlen);
3012 * Check to see if any messages already exist in the current room which
3013 * carry the same Exclusive ID as this one. If any are found, delete them.
3015 void ReplicationChecks(struct CtdlMessage *msg) {
3016 struct CitContext *CCC = CC;
3017 long old_msgnum = (-1L);
3019 if (DoesThisRoomNeedEuidIndexing(&CCC->room) == 0) return;
3021 MSG_syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
3024 /* No exclusive id? Don't do anything. */
3025 if (msg == NULL) return;
3026 if (msg->cm_fields['E'] == NULL) return;
3027 if (IsEmptyStr(msg->cm_fields['E'])) return;
3028 /*MSG_syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
3029 msg->cm_fields['E'], CCC->room.QRname);*/
3031 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CCC->room);
3032 if (old_msgnum > 0L) {
3033 MSG_syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
3034 CtdlDeleteMessages(CCC->room.QRname, &old_msgnum, 1, "");
3041 * Save a message to disk and submit it into the delivery system.
3043 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3044 struct recptypes *recps, /* recipients (if mail) */
3045 const char *force, /* force a particular room? */
3046 int flags /* should the message be exported clean? */
3049 char submit_filename[128];
3050 char generated_timestamp[32];
3051 char hold_rm[ROOMNAMELEN];
3052 char actual_rm[ROOMNAMELEN];
3053 char force_room[ROOMNAMELEN];
3054 char content_type[SIZ]; /* We have to learn this */
3055 char recipient[SIZ];
3058 const char *mptr = NULL;
3059 struct ctdluser userbuf;
3061 struct MetaData smi;
3062 FILE *network_fp = NULL;
3063 static int seqnum = 1;
3064 struct CtdlMessage *imsg = NULL;
3066 size_t instr_alloc = 0;
3068 char *hold_R, *hold_D;
3069 char *collected_addresses = NULL;
3070 struct addresses_to_be_filed *aptr = NULL;
3071 StrBuf *saved_rfc822_version = NULL;
3072 int qualified_for_journaling = 0;
3073 CitContext *CCC = MyContext();
3074 char bounce_to[1024] = "";
3077 MSGM_syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3078 if (is_valid_message(msg) == 0) return(-1); /* self check */
3080 /* If this message has no timestamp, we take the liberty of
3081 * giving it one, right now.
3083 if (msg->cm_fields['T'] == NULL) {
3084 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3085 msg->cm_fields['T'] = strdup(generated_timestamp);
3088 /* If this message has no path, we generate one.
3090 if (msg->cm_fields['P'] == NULL) {
3091 if (msg->cm_fields['A'] != NULL) {
3092 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3093 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3094 if (isspace(msg->cm_fields['P'][a])) {
3095 msg->cm_fields['P'][a] = ' ';
3100 msg->cm_fields['P'] = strdup("unknown");
3104 if (force == NULL) {
3105 strcpy(force_room, "");
3108 strcpy(force_room, force);
3111 /* Learn about what's inside, because it's what's inside that counts */
3112 if (msg->cm_fields['M'] == NULL) {
3113 MSGM_syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3117 switch (msg->cm_format_type) {
3119 strcpy(content_type, "text/x-citadel-variformat");
3122 strcpy(content_type, "text/plain");
3125 strcpy(content_type, "text/plain");
3126 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3129 safestrncpy(content_type, &mptr[13], sizeof content_type);
3130 striplt(content_type);
3131 aptr = content_type;
3132 while (!IsEmptyStr(aptr)) {
3144 /* Goto the correct room */
3145 room = (recps) ? CCC->room.QRname : SENTITEMS;
3146 MSG_syslog(LOG_DEBUG, "Selected room %s\n", room);
3147 strcpy(hold_rm, CCC->room.QRname);
3148 strcpy(actual_rm, CCC->room.QRname);
3149 if (recps != NULL) {
3150 strcpy(actual_rm, SENTITEMS);
3153 /* If the user is a twit, move to the twit room for posting */
3155 if (CCC->user.axlevel == AxProbU) {
3156 strcpy(hold_rm, actual_rm);
3157 strcpy(actual_rm, config.c_twitroom);
3158 MSGM_syslog(LOG_DEBUG, "Diverting to twit room\n");
3162 /* ...or if this message is destined for Aide> then go there. */
3163 if (!IsEmptyStr(force_room)) {
3164 strcpy(actual_rm, force_room);
3167 MSG_syslog(LOG_INFO, "Final selection: %s (%s)\n", actual_rm, room);
3168 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3169 /* CtdlGetRoom(&CCC->room, actual_rm); */
3170 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3174 * If this message has no O (room) field, generate one.
3176 if (msg->cm_fields['O'] == NULL) {
3177 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3180 /* Perform "before save" hooks (aborting if any return nonzero) */
3181 MSGM_syslog(LOG_DEBUG, "Performing before-save hooks\n");
3182 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3185 * If this message has an Exclusive ID, and the room is replication
3186 * checking enabled, then do replication checks.
3188 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3189 ReplicationChecks(msg);
3192 /* Save it to disk */
3193 MSGM_syslog(LOG_DEBUG, "Saving to disk\n");
3194 newmsgid = send_message(msg);
3195 if (newmsgid <= 0L) return(-5);
3197 /* Write a supplemental message info record. This doesn't have to
3198 * be a critical section because nobody else knows about this message
3201 MSGM_syslog(LOG_DEBUG, "Creating MetaData record\n");
3202 memset(&smi, 0, sizeof(struct MetaData));
3203 smi.meta_msgnum = newmsgid;
3204 smi.meta_refcount = 0;
3205 safestrncpy(smi.meta_content_type, content_type,
3206 sizeof smi.meta_content_type);
3209 * Measure how big this message will be when rendered as RFC822.
3210 * We do this for two reasons:
3211 * 1. We need the RFC822 length for the new metadata record, so the
3212 * POP and IMAP services don't have to calculate message lengths
3213 * while the user is waiting (multiplied by potentially hundreds
3214 * or thousands of messages).
3215 * 2. If journaling is enabled, we will need an RFC822 version of the
3216 * message to attach to the journalized copy.
3218 if (CCC->redirect_buffer != NULL) {
3219 MSGM_syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3222 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3223 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3224 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3225 saved_rfc822_version = CCC->redirect_buffer;
3226 CCC->redirect_buffer = NULL;
3230 /* Now figure out where to store the pointers */
3231 MSGM_syslog(LOG_DEBUG, "Storing pointers\n");
3233 /* If this is being done by the networker delivering a private
3234 * message, we want to BYPASS saving the sender's copy (because there
3235 * is no local sender; it would otherwise go to the Trashcan).
3237 if ((!CCC->internal_pgm) || (recps == NULL)) {
3238 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3239 MSGM_syslog(LOG_ERR, "ERROR saving message pointer!\n");
3240 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3244 /* For internet mail, drop a copy in the outbound queue room */
3245 if ((recps != NULL) && (recps->num_internet > 0)) {
3246 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3249 /* If other rooms are specified, drop them there too. */
3250 if ((recps != NULL) && (recps->num_room > 0))
3251 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3252 extract_token(recipient, recps->recp_room, i,
3253 '|', sizeof recipient);
3254 MSG_syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);///// xxxx
3255 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3258 /* Bump this user's messages posted counter. */
3259 MSGM_syslog(LOG_DEBUG, "Updating user\n");
3260 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3261 CCC->user.posted = CCC->user.posted + 1;
3262 CtdlPutUserLock(&CCC->user);
3264 /* Decide where bounces need to be delivered */
3265 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3266 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3268 else if (CCC->logged_in) {
3269 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3272 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3275 /* If this is private, local mail, make a copy in the
3276 * recipient's mailbox and bump the reference count.
3278 if ((recps != NULL) && (recps->num_local > 0))
3279 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3280 extract_token(recipient, recps->recp_local, i,
3281 '|', sizeof recipient);
3282 MSG_syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3284 if (CtdlGetUser(&userbuf, recipient) == 0) {
3285 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3286 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3287 CtdlBumpNewMailCounter(userbuf.usernum);
3288 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3289 /* Generate a instruction message for the Funambol notification
3290 * server, in the same style as the SMTP queue
3293 instr = malloc(instr_alloc);
3294 snprintf(instr, instr_alloc,
3295 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3297 SPOOLMIME, newmsgid, (long)time(NULL),
3301 imsg = malloc(sizeof(struct CtdlMessage));
3302 memset(imsg, 0, sizeof(struct CtdlMessage));
3303 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3304 imsg->cm_anon_type = MES_NORMAL;
3305 imsg->cm_format_type = FMT_RFC822;
3306 imsg->cm_fields['U'] = strdup("QMSG");
3307 imsg->cm_fields['A'] = strdup("Citadel");
3308 imsg->cm_fields['J'] = strdup("do not journal");
3309 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3310 imsg->cm_fields['2'] = strdup(recipient);
3311 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3312 CtdlFreeMessage(imsg);
3316 MSG_syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3317 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3321 /* Perform "after save" hooks */
3322 MSGM_syslog(LOG_DEBUG, "Performing after-save hooks\n");
3323 if (msg->cm_fields['3'] != NULL) free(msg->cm_fields['3']);
3324 msg->cm_fields['3'] = malloc(20);
3325 snprintf(msg->cm_fields['3'], 20, "%ld", newmsgid);
3326 PerformMessageHooks(msg, EVT_AFTERSAVE);
3327 free(msg->cm_fields['3']);
3328 msg->cm_fields['3'] = NULL;
3330 /* For IGnet mail, we have to save a new copy into the spooler for
3331 * each recipient, with the R and D fields set to the recipient and
3332 * destination-node. This has two ugly side effects: all other
3333 * recipients end up being unlisted in this recipient's copy of the
3334 * message, and it has to deliver multiple messages to the same
3335 * node. We'll revisit this again in a year or so when everyone has
3336 * a network spool receiver that can handle the new style messages.
3338 if ((recps != NULL) && (recps->num_ignet > 0))
3339 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3340 extract_token(recipient, recps->recp_ignet, i,
3341 '|', sizeof recipient);
3343 hold_R = msg->cm_fields['R'];
3344 hold_D = msg->cm_fields['D'];
3345 msg->cm_fields['R'] = malloc(SIZ);
3346 msg->cm_fields['D'] = malloc(128);
3347 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3348 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3350 serialize_message(&smr, msg);
3352 snprintf(submit_filename, sizeof submit_filename,
3353 "%s/netmail.%04lx.%04x.%04x",
3355 (long) getpid(), CCC->cs_pid, ++seqnum);
3356 network_fp = fopen(submit_filename, "wb+");
3357 if (network_fp != NULL) {
3358 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3360 MSG_syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n",
3368 free(msg->cm_fields['R']);
3369 free(msg->cm_fields['D']);
3370 msg->cm_fields['R'] = hold_R;
3371 msg->cm_fields['D'] = hold_D;
3374 /* Go back to the room we started from */
3375 MSG_syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3376 if (strcasecmp(hold_rm, CCC->room.QRname))
3377 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3379 /* For internet mail, generate delivery instructions.
3380 * Yes, this is recursive. Deal with it. Infinite recursion does
3381 * not happen because the delivery instructions message does not
3382 * contain a recipient.
3384 if ((recps != NULL) && (recps->num_internet > 0)) {
3385 StrBuf *SpoolMsg = NewStrBuf();
3388 MSGM_syslog(LOG_DEBUG, "Generating delivery instructions\n");
3390 StrBufPrintf(SpoolMsg,
3391 "Content-type: "SPOOLMIME"\n"
3400 if (recps->envelope_from != NULL) {
3401 StrBufAppendBufPlain(SpoolMsg, HKEY("envelope_from|"), 0);
3402 StrBufAppendBufPlain(SpoolMsg, recps->envelope_from, -1, 0);
3403 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3405 if (recps->sending_room != NULL) {
3406 StrBufAppendBufPlain(SpoolMsg, HKEY("source_room|"), 0);
3407 StrBufAppendBufPlain(SpoolMsg, recps->sending_room, -1, 0);
3408 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3411 nTokens = num_tokens(recps->recp_internet, '|');
3412 for (i = 0; i < nTokens; i++) {
3414 len = extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3416 StrBufAppendBufPlain(SpoolMsg, HKEY("remote|"), 0);
3417 StrBufAppendBufPlain(SpoolMsg, recipient, len, 0);
3418 StrBufAppendBufPlain(SpoolMsg, HKEY("|0||\n"), 0);
3422 imsg = malloc(sizeof(struct CtdlMessage));
3423 memset(imsg, 0, sizeof(struct CtdlMessage));
3424 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3425 imsg->cm_anon_type = MES_NORMAL;
3426 imsg->cm_format_type = FMT_RFC822;
3427 imsg->cm_fields['U'] = strdup("QMSG");
3428 imsg->cm_fields['A'] = strdup("Citadel");
3429 imsg->cm_fields['J'] = strdup("do not journal");
3430 imsg->cm_fields['M'] = SmashStrBuf(&SpoolMsg); /* imsg owns this memory now */
3431 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3432 CtdlFreeMessage(imsg);
3436 * Any addresses to harvest for someone's address book?
3438 if ( (CCC->logged_in) && (recps != NULL) ) {
3439 collected_addresses = harvest_collected_addresses(msg);
3442 if (collected_addresses != NULL) {
3443 aptr = (struct addresses_to_be_filed *)
3444 malloc(sizeof(struct addresses_to_be_filed));
3445 CtdlMailboxName(actual_rm, sizeof actual_rm,
3446 &CCC->user, USERCONTACTSROOM);
3447 aptr->roomname = strdup(actual_rm);
3448 aptr->collected_addresses = collected_addresses;
3449 begin_critical_section(S_ATBF);
3452 end_critical_section(S_ATBF);
3456 * Determine whether this message qualifies for journaling.
3458 if (msg->cm_fields['J'] != NULL) {
3459 qualified_for_journaling = 0;
3462 if (recps == NULL) {
3463 qualified_for_journaling = config.c_journal_pubmsgs;
3465 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3466 qualified_for_journaling = config.c_journal_email;
3469 qualified_for_journaling = config.c_journal_pubmsgs;
3474 * Do we have to perform journaling? If so, hand off the saved
3475 * RFC822 version will be handed off to the journaler for background
3476 * submit. Otherwise, we have to free the memory ourselves.
3478 if (saved_rfc822_version != NULL) {
3479 if (qualified_for_journaling) {
3480 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3483 FreeStrBuf(&saved_rfc822_version);
3493 * Convenience function for generating small administrative messages.
3495 void quickie_message(const char *from,
3496 const char *fromaddr,
3501 const char *subject)
3503 struct CtdlMessage *msg;
3504 struct recptypes *recp = NULL;
3506 msg = malloc(sizeof(struct CtdlMessage));
3507 memset(msg, 0, sizeof(struct CtdlMessage));
3508 msg->cm_magic = CTDLMESSAGE_MAGIC;
3509 msg->cm_anon_type = MES_NORMAL;
3510 msg->cm_format_type = format_type;
3513 msg->cm_fields['A'] = strdup(from);
3515 else if (fromaddr != NULL) {
3516 msg->cm_fields['A'] = strdup(fromaddr);
3517 if (strchr(msg->cm_fields['A'], '@')) {
3518 *strchr(msg->cm_fields['A'], '@') = 0;
3522 msg->cm_fields['A'] = strdup("Citadel");
3525 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3526 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3527 msg->cm_fields['N'] = strdup(NODENAME);
3529 msg->cm_fields['R'] = strdup(to);
3530 recp = validate_recipients(to, NULL, 0);
3532 if (subject != NULL) {
3533 msg->cm_fields['U'] = strdup(subject);
3535 msg->cm_fields['M'] = strdup(text);
3537 CtdlSubmitMsg(msg, recp, room, 0);
3538 CtdlFreeMessage(msg);
3539 if (recp != NULL) free_recipients(recp);
3544 * Back end function used by CtdlMakeMessage() and similar functions
3546 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3548 size_t maxlen, /* maximum message length */
3549 char *exist, /* if non-null, append to it;
3550 exist is ALWAYS freed */
3551 int crlf, /* CRLF newlines instead of LF */
3552 int *sock /* socket handle or 0 for this session's client socket */
3561 LineBuf = NewStrBufPlain(NULL, SIZ);
3562 if (exist == NULL) {
3563 Message = NewStrBufPlain(NULL, 4 * SIZ);
3566 Message = NewStrBufPlain(exist, -1);
3570 /* Do we need to change leading ".." to "." for SMTP escaping? */
3571 if ((tlen == 1) && (*terminator == '.')) {
3575 /* read in the lines of message text one by one */
3578 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3583 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3585 if ((StrLength(LineBuf) == tlen) &&
3586 (!strcmp(ChrPtr(LineBuf), terminator)))
3589 if ( (!flushing) && (!finished) ) {
3591 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3594 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3597 /* Unescape SMTP-style input of two dots at the beginning of the line */
3599 (StrLength(LineBuf) == 2) &&
3600 (!strcmp(ChrPtr(LineBuf), "..")))
3602 StrBufCutLeft(LineBuf, 1);
3605 StrBufAppendBuf(Message, LineBuf, 0);
3608 /* if we've hit the max msg length, flush the rest */
3609 if (StrLength(Message) >= maxlen) flushing = 1;
3611 } while (!finished);
3612 FreeStrBuf(&LineBuf);
3616 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3620 FreeStrBuf(&(*Msg)->MsgBuf);
3626 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3628 size_t maxlen, /* maximum message length */
3629 size_t expectlen, /* if we expect a message, how long should it be? */
3630 char *exist, /* if non-null, append to it;
3631 exist is ALWAYS freed */
3632 long eLen, /* length of exist */
3633 int crlf /* CRLF newlines instead of LF */
3636 ReadAsyncMsg *NewMsg;
3638 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3639 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3641 if (exist == NULL) {
3644 if (expectlen == 0) {
3648 len = expectlen + 10;
3650 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3653 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3656 /* Do we need to change leading ".." to "." for SMTP escaping? */
3657 if ((tlen == 1) && (*terminator == '.')) {
3661 NewMsg->terminator = terminator;
3662 NewMsg->tlen = tlen;
3664 NewMsg->maxlen = maxlen;
3666 NewMsg->crlf = crlf;
3672 * Back end function used by CtdlMakeMessage() and similar functions
3674 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3676 ReadAsyncMsg *ReadMsg;
3677 int MsgFinished = 0;
3678 eReadState Finished = eMustReadMore;
3683 const char *pch = ChrPtr(IO->SendBuf.Buf);
3684 const char *pchh = IO->SendBuf.ReadWritePointer;
3690 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3691 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3692 ((CitContext*)(IO->CitContext))->ServiceName,
3695 fd = fopen(fn, "a+");
3698 ReadMsg = IO->ReadMsg;
3700 /* read in the lines of message text one by one */
3702 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3705 case eMustReadMore: /// read new from socket...
3707 if (IO->RecvBuf.ReadWritePointer != NULL) {
3708 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3709 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3711 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3715 fprintf(fd, "BufferEmpty! \n");
3721 case eBufferNotEmpty: /* shouldn't happen... */
3722 case eReadSuccess: /// done for now...
3724 case eReadFail: /// WHUT?
3730 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3731 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3734 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3737 else if (!ReadMsg->flushing) {
3740 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3743 /* Unescape SMTP-style input of two dots at the beginning of the line */
3744 if ((ReadMsg->dodot) &&
3745 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3746 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3749 fprintf(fd, "UnEscaped!\n");
3751 StrBufCutLeft(IO->IOBuf, 1);
3754 if (ReadMsg->crlf) {
3755 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3758 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3761 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3764 /* if we've hit the max msg length, flush the rest */
3765 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3767 } while (!MsgFinished);
3770 fprintf(fd, "Done with reading; %s.\n, ",
3771 (MsgFinished)?"Message Finished": "FAILED");
3775 return eReadSuccess;
3782 * Back end function used by CtdlMakeMessage() and similar functions
3784 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3786 size_t maxlen, /* maximum message length */
3787 char *exist, /* if non-null, append to it;
3788 exist is ALWAYS freed */
3789 int crlf, /* CRLF newlines instead of LF */
3790 int *sock /* socket handle or 0 for this session's client socket */
3795 Message = CtdlReadMessageBodyBuf(terminator,
3801 if (Message == NULL)
3804 return SmashStrBuf(&Message);
3809 * Build a binary message to be saved on disk.
3810 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3811 * will become part of the message. This means you are no longer
3812 * responsible for managing that memory -- it will be freed along with
3813 * the rest of the fields when CtdlFreeMessage() is called.)
3816 struct CtdlMessage *CtdlMakeMessage(
3817 struct ctdluser *author, /* author's user structure */
3818 char *recipient, /* NULL if it's not mail */
3819 char *recp_cc, /* NULL if it's not mail */
3820 char *room, /* room where it's going */
3821 int type, /* see MES_ types in header file */
3822 int format_type, /* variformat, plain text, MIME... */
3823 char *fake_name, /* who we're masquerading as */
3824 char *my_email, /* which of my email addresses to use (empty is ok) */
3825 char *subject, /* Subject (optional) */
3826 char *supplied_euid, /* ...or NULL if this is irrelevant */
3827 char *preformatted_text, /* ...or NULL to read text from client */
3828 char *references /* Thread references */
3830 char dest_node[256];
3832 struct CtdlMessage *msg;
3834 StrBuf *FakeEncAuthor = NULL;
3836 msg = malloc(sizeof(struct CtdlMessage));
3837 memset(msg, 0, sizeof(struct CtdlMessage));
3838 msg->cm_magic = CTDLMESSAGE_MAGIC;
3839 msg->cm_anon_type = type;
3840 msg->cm_format_type = format_type;
3842 /* Don't confuse the poor folks if it's not routed mail. */
3843 strcpy(dest_node, "");
3845 if (recipient != NULL) striplt(recipient);
3846 if (recp_cc != NULL) striplt(recp_cc);
3848 /* Path or Return-Path */
3849 if (my_email == NULL) my_email = "";
3851 if (!IsEmptyStr(my_email)) {
3852 msg->cm_fields['P'] = strdup(my_email);
3855 snprintf(buf, sizeof buf, "%s", author->fullname);
3856 msg->cm_fields['P'] = strdup(buf);
3858 convert_spaces_to_underscores(msg->cm_fields['P']);
3860 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3861 msg->cm_fields['T'] = strdup(buf);
3863 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3864 FakeAuthor = NewStrBufPlain (fake_name, -1);
3867 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3869 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3870 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3871 FreeStrBuf(&FakeAuthor);
3873 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3874 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3877 msg->cm_fields['O'] = strdup(CC->room.QRname);
3880 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3881 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3883 if ((recipient != NULL) && (recipient[0] != 0)) {
3884 msg->cm_fields['R'] = strdup(recipient);
3886 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3887 msg->cm_fields['Y'] = strdup(recp_cc);
3889 if (dest_node[0] != 0) {
3890 msg->cm_fields['D'] = strdup(dest_node);
3893 if (!IsEmptyStr(my_email)) {
3894 msg->cm_fields['F'] = strdup(my_email);
3896 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3897 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3900 if (subject != NULL) {
3903 length = strlen(subject);
3909 while ((subject[i] != '\0') &&
3910 (IsAscii = isascii(subject[i]) != 0 ))
3913 msg->cm_fields['U'] = strdup(subject);
3914 else /* ok, we've got utf8 in the string. */
3916 msg->cm_fields['U'] = rfc2047encode(subject, length);
3922 if (supplied_euid != NULL) {
3923 msg->cm_fields['E'] = strdup(supplied_euid);
3926 if ((references != NULL) && (!IsEmptyStr(references))) {
3927 if (msg->cm_fields['W'] != NULL)
3928 free(msg->cm_fields['W']);
3929 msg->cm_fields['W'] = strdup(references);
3932 if (preformatted_text != NULL) {
3933 msg->cm_fields['M'] = preformatted_text;
3936 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3942 extern int netconfig_check_roomaccess(
3945 const char* RemoteIdentifier); /* TODO: find a smarter way */
3948 * Check to see whether we have permission to post a message in the current
3949 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3950 * returns 0 on success.
3952 int CtdlDoIHavePermissionToPostInThisRoom(
3955 const char* RemoteIdentifier,
3961 if (!(CC->logged_in) &&
3962 (PostPublic == POST_LOGGED_IN)) {
3963 snprintf(errmsgbuf, n, "Not logged in.");
3964 return (ERROR + NOT_LOGGED_IN);
3966 else if (PostPublic == CHECK_EXISTANCE) {
3967 return (0); // We're Evaling whether a recipient exists
3969 else if (!(CC->logged_in)) {
3971 if ((CC->room.QRflags & QR_READONLY)) {
3972 snprintf(errmsgbuf, n, "Not logged in.");
3973 return (ERROR + NOT_LOGGED_IN);
3975 if (CC->room.QRflags2 & QR2_MODERATED) {
3976 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3977 return (ERROR + NOT_LOGGED_IN);
3979 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3981 return netconfig_check_roomaccess(errmsgbuf, n, RemoteIdentifier);
3987 if ((CC->user.axlevel < AxProbU)
3988 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3989 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3990 return (ERROR + HIGHER_ACCESS_REQUIRED);
3993 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3995 if (ra & UA_POSTALLOWED) {
3996 strcpy(errmsgbuf, "OK to post or reply here");
4000 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
4002 * To be thorough, we ought to check to see if the message they are
4003 * replying to is actually a valid one in this room, but unless this
4004 * actually becomes a problem we'll go with high performance instead.
4006 strcpy(errmsgbuf, "OK to reply here");
4010 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
4011 /* Clarify what happened with a better error message */
4012 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
4013 return (ERROR + HIGHER_ACCESS_REQUIRED);
4016 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
4017 return (ERROR + HIGHER_ACCESS_REQUIRED);
4023 * Check to see if the specified user has Internet mail permission
4024 * (returns nonzero if permission is granted)
4026 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
4028 /* Do not allow twits to send Internet mail */
4029 if (who->axlevel <= AxProbU) return(0);
4031 /* Globally enabled? */
4032 if (config.c_restrict == 0) return(1);
4034 /* User flagged ok? */
4035 if (who->flags & US_INTERNET) return(2);
4037 /* Admin level access? */
4038 if (who->axlevel >= AxAideU) return(3);
4040 /* No mail for you! */
4046 * Validate recipients, count delivery types and errors, and handle aliasing
4047 * FIXME check for dupes!!!!!
4049 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4050 * were specified, or the number of addresses found invalid.
4052 * Caller needs to free the result using free_recipients()
4054 struct recptypes *validate_recipients(const char *supplied_recipients,
4055 const char *RemoteIdentifier,
4057 struct CitContext *CCC = CC;
4058 struct recptypes *ret;
4059 char *recipients = NULL;
4061 char this_recp[256];
4062 char this_recp_cooked[256];
4069 struct ctdluser tempUS;
4070 struct ctdlroom tempQR;
4071 struct ctdlroom tempQR2;
4077 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4078 if (ret == NULL) return(NULL);
4080 /* Set all strings to null and numeric values to zero */
4081 memset(ret, 0, sizeof(struct recptypes));
4083 if (supplied_recipients == NULL) {
4084 recipients = strdup("");
4087 recipients = strdup(supplied_recipients);
4090 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4091 * actually need, but it's healthier for the heap than doing lots of tiny
4092 * realloc() calls instead.
4094 len = strlen(recipients) + 1024;
4095 ret->errormsg = malloc(len);
4096 ret->recp_local = malloc(len);
4097 ret->recp_internet = malloc(len);
4098 ret->recp_ignet = malloc(len);
4099 ret->recp_room = malloc(len);
4100 ret->display_recp = malloc(len);
4101 ret->recp_orgroom = malloc(len);
4102 org_recp = malloc(len);
4104 ret->errormsg[0] = 0;
4105 ret->recp_local[0] = 0;
4106 ret->recp_internet[0] = 0;
4107 ret->recp_ignet[0] = 0;
4108 ret->recp_room[0] = 0;
4109 ret->recp_orgroom[0] = 0;
4110 ret->display_recp[0] = 0;
4112 ret->recptypes_magic = RECPTYPES_MAGIC;
4114 /* Change all valid separator characters to commas */
4115 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4116 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4117 recipients[i] = ',';
4121 /* Now start extracting recipients... */
4123 while (!IsEmptyStr(recipients)) {
4124 for (i=0; i<=strlen(recipients); ++i) {
4125 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4126 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4127 safestrncpy(this_recp, recipients, i+1);
4129 if (recipients[i] == ',') {
4130 strcpy(recipients, &recipients[i+1]);
4133 strcpy(recipients, "");
4140 if (IsEmptyStr(this_recp))
4142 MSG_syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4145 strcpy(org_recp, this_recp);
4148 mailtype = alias(this_recp);
4150 for (j = 0; !IsEmptyStr(&this_recp[j]); ++j) {
4151 if (this_recp[j]=='_') {
4152 this_recp_cooked[j] = ' ';
4155 this_recp_cooked[j] = this_recp[j];
4158 this_recp_cooked[j] = '\0';
4163 if (!strcasecmp(this_recp, "sysop")) {
4165 strcpy(this_recp, config.c_aideroom);
4166 if (!IsEmptyStr(ret->recp_room)) {
4167 strcat(ret->recp_room, "|");
4169 strcat(ret->recp_room, this_recp);
4171 else if ( (!strncasecmp(this_recp, "room_", 5))
4172 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4174 /* Save room so we can restore it later */
4175 tempQR2 = CCC->room;
4178 /* Check permissions to send mail to this room */
4179 err = CtdlDoIHavePermissionToPostInThisRoom(
4184 0 /* 0 = not a reply */
4193 if (!IsEmptyStr(ret->recp_room)) {
4194 strcat(ret->recp_room, "|");
4196 strcat(ret->recp_room, &this_recp_cooked[5]);
4198 if (!IsEmptyStr(ret->recp_orgroom)) {
4199 strcat(ret->recp_orgroom, "|");
4201 strcat(ret->recp_orgroom, org_recp);
4205 /* Restore room in case something needs it */
4206 CCC->room = tempQR2;
4209 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4211 strcpy(this_recp, tempUS.fullname);
4212 if (!IsEmptyStr(ret->recp_local)) {
4213 strcat(ret->recp_local, "|");
4215 strcat(ret->recp_local, this_recp);
4217 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4219 strcpy(this_recp, tempUS.fullname);
4220 if (!IsEmptyStr(ret->recp_local)) {
4221 strcat(ret->recp_local, "|");
4223 strcat(ret->recp_local, this_recp);
4231 /* Yes, you're reading this correctly: if the target
4232 * domain points back to the local system or an attached
4233 * Citadel directory, the address is invalid. That's
4234 * because if the address were valid, we would have
4235 * already translated it to a local address by now.
4237 if (IsDirectory(this_recp, 0)) {
4242 ++ret->num_internet;
4243 if (!IsEmptyStr(ret->recp_internet)) {
4244 strcat(ret->recp_internet, "|");
4246 strcat(ret->recp_internet, this_recp);
4251 if (!IsEmptyStr(ret->recp_ignet)) {
4252 strcat(ret->recp_ignet, "|");
4254 strcat(ret->recp_ignet, this_recp);
4262 if (IsEmptyStr(errmsg)) {
4263 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4266 snprintf(append, sizeof append, "%s", errmsg);
4268 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4269 if (!IsEmptyStr(ret->errormsg)) {
4270 strcat(ret->errormsg, "; ");
4272 strcat(ret->errormsg, append);
4276 if (IsEmptyStr(ret->display_recp)) {
4277 strcpy(append, this_recp);
4280 snprintf(append, sizeof append, ", %s", this_recp);
4282 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4283 strcat(ret->display_recp, append);
4289 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4290 ret->num_room + ret->num_error) == 0) {
4291 ret->num_error = (-1);
4292 strcpy(ret->errormsg, "No recipients specified.");
4295 MSGM_syslog(LOG_DEBUG, "validate_recipients()\n");
4296 MSG_syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4297 MSG_syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4298 MSG_syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4299 MSG_syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4300 MSG_syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4308 * Destructor for struct recptypes
4310 void free_recipients(struct recptypes *valid) {
4312 if (valid == NULL) {
4316 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4317 struct CitContext *CCC = CC;
4318 MSGM_syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4322 if (valid->errormsg != NULL) free(valid->errormsg);
4323 if (valid->recp_local != NULL) free(valid->recp_local);
4324 if (valid->recp_internet != NULL) free(valid->recp_internet);
4325 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4326 if (valid->recp_room != NULL) free(valid->recp_room);
4327 if (valid->recp_orgroom != NULL) free(valid->recp_orgroom);
4328 if (valid->display_recp != NULL) free(valid->display_recp);
4329 if (valid->bounce_to != NULL) free(valid->bounce_to);
4330 if (valid->envelope_from != NULL) free(valid->envelope_from);
4331 if (valid->sending_room != NULL) free(valid->sending_room);
4338 * message entry - mode 0 (normal)
4340 void cmd_ent0(char *entargs)
4342 struct CitContext *CCC = CC;
4347 char supplied_euid[128];
4349 int format_type = 0;
4350 char newusername[256];
4351 char newuseremail[256];
4352 struct CtdlMessage *msg;
4356 struct recptypes *valid = NULL;
4357 struct recptypes *valid_to = NULL;
4358 struct recptypes *valid_cc = NULL;
4359 struct recptypes *valid_bcc = NULL;
4361 int subject_required = 0;
4366 int newuseremail_ok = 0;
4367 char references[SIZ];
4372 post = extract_int(entargs, 0);
4373 extract_token(recp, entargs, 1, '|', sizeof recp);
4374 anon_flag = extract_int(entargs, 2);
4375 format_type = extract_int(entargs, 3);
4376 extract_token(subject, entargs, 4, '|', sizeof subject);
4377 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4378 do_confirm = extract_int(entargs, 6);
4379 extract_token(cc, entargs, 7, '|', sizeof cc);
4380 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4381 switch(CC->room.QRdefaultview) {
4384 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4387 supplied_euid[0] = 0;
4390 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4391 extract_token(references, entargs, 11, '|', sizeof references);
4392 for (ptr=references; *ptr != 0; ++ptr) {
4393 if (*ptr == '!') *ptr = '|';
4396 /* first check to make sure the request is valid. */
4398 err = CtdlDoIHavePermissionToPostInThisRoom(
4403 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4407 cprintf("%d %s\n", err, errmsg);
4411 /* Check some other permission type things. */
4413 if (IsEmptyStr(newusername)) {
4414 strcpy(newusername, CCC->user.fullname);
4416 if ( (CCC->user.axlevel < AxAideU)
4417 && (strcasecmp(newusername, CCC->user.fullname))
4418 && (strcasecmp(newusername, CCC->cs_inet_fn))
4420 cprintf("%d You don't have permission to author messages as '%s'.\n",
4421 ERROR + HIGHER_ACCESS_REQUIRED,
4428 if (IsEmptyStr(newuseremail)) {
4429 newuseremail_ok = 1;
4432 if (!IsEmptyStr(newuseremail)) {
4433 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4434 newuseremail_ok = 1;
4436 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4437 j = num_tokens(CCC->cs_inet_other_emails, '|');
4438 for (i=0; i<j; ++i) {
4439 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4440 if (!strcasecmp(newuseremail, buf)) {
4441 newuseremail_ok = 1;
4447 if (!newuseremail_ok) {
4448 cprintf("%d You don't have permission to author messages as '%s'.\n",
4449 ERROR + HIGHER_ACCESS_REQUIRED,
4455 CCC->cs_flags |= CS_POSTING;
4457 /* In mailbox rooms we have to behave a little differently --
4458 * make sure the user has specified at least one recipient. Then
4459 * validate the recipient(s). We do this for the Mail> room, as
4460 * well as any room which has the "Mailbox" view set - unless it
4461 * is the DRAFTS room which does not require recipients
4464 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4465 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4466 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4467 if (CCC->user.axlevel < AxProbU) {
4468 strcpy(recp, "sysop");
4473 valid_to = validate_recipients(recp, NULL, 0);
4474 if (valid_to->num_error > 0) {
4475 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4476 free_recipients(valid_to);
4480 valid_cc = validate_recipients(cc, NULL, 0);
4481 if (valid_cc->num_error > 0) {
4482 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4483 free_recipients(valid_to);
4484 free_recipients(valid_cc);
4488 valid_bcc = validate_recipients(bcc, NULL, 0);
4489 if (valid_bcc->num_error > 0) {
4490 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4491 free_recipients(valid_to);
4492 free_recipients(valid_cc);
4493 free_recipients(valid_bcc);
4497 /* Recipient required, but none were specified */
4498 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4499 free_recipients(valid_to);
4500 free_recipients(valid_cc);
4501 free_recipients(valid_bcc);
4502 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4506 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4507 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4508 cprintf("%d You do not have permission "
4509 "to send Internet mail.\n",
4510 ERROR + HIGHER_ACCESS_REQUIRED);
4511 free_recipients(valid_to);
4512 free_recipients(valid_cc);
4513 free_recipients(valid_bcc);
4518 if ( ( (valid_to->num_internet + valid_to->num_ignet + valid_cc->num_internet + valid_cc->num_ignet + valid_bcc->num_internet + valid_bcc->num_ignet) > 0)
4519 && (CCC->user.axlevel < AxNetU) ) {
4520 cprintf("%d Higher access required for network mail.\n",
4521 ERROR + HIGHER_ACCESS_REQUIRED);
4522 free_recipients(valid_to);
4523 free_recipients(valid_cc);
4524 free_recipients(valid_bcc);
4528 if ((RESTRICT_INTERNET == 1)
4529 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4530 && ((CCC->user.flags & US_INTERNET) == 0)
4531 && (!CCC->internal_pgm)) {
4532 cprintf("%d You don't have access to Internet mail.\n",
4533 ERROR + HIGHER_ACCESS_REQUIRED);
4534 free_recipients(valid_to);
4535 free_recipients(valid_cc);
4536 free_recipients(valid_bcc);
4542 /* Is this a room which has anonymous-only or anonymous-option? */
4543 anonymous = MES_NORMAL;
4544 if (CCC->room.QRflags & QR_ANONONLY) {
4545 anonymous = MES_ANONONLY;
4547 if (CCC->room.QRflags & QR_ANONOPT) {
4548 if (anon_flag == 1) { /* only if the user requested it */
4549 anonymous = MES_ANONOPT;
4553 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4557 /* Recommend to the client that the use of a message subject is
4558 * strongly recommended in this room, if either the SUBJECTREQ flag
4559 * is set, or if there is one or more Internet email recipients.
4561 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4562 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4563 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4564 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4566 /* If we're only checking the validity of the request, return
4567 * success without creating the message.
4570 cprintf("%d %s|%d\n", CIT_OK,
4571 ((valid_to != NULL) ? valid_to->display_recp : ""),
4573 free_recipients(valid_to);
4574 free_recipients(valid_cc);
4575 free_recipients(valid_bcc);
4579 /* We don't need these anymore because we'll do it differently below */
4580 free_recipients(valid_to);
4581 free_recipients(valid_cc);
4582 free_recipients(valid_bcc);
4584 /* Read in the message from the client. */
4586 cprintf("%d send message\n", START_CHAT_MODE);
4588 cprintf("%d send message\n", SEND_LISTING);
4591 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4592 CCC->room.QRname, anonymous, format_type,
4593 newusername, newuseremail, subject,
4594 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4597 /* Put together one big recipients struct containing to/cc/bcc all in
4598 * one. This is for the envelope.
4600 char *all_recps = malloc(SIZ * 3);
4601 strcpy(all_recps, recp);
4602 if (!IsEmptyStr(cc)) {
4603 if (!IsEmptyStr(all_recps)) {
4604 strcat(all_recps, ",");
4606 strcat(all_recps, cc);
4608 if (!IsEmptyStr(bcc)) {
4609 if (!IsEmptyStr(all_recps)) {
4610 strcat(all_recps, ",");
4612 strcat(all_recps, bcc);
4614 if (!IsEmptyStr(all_recps)) {
4615 valid = validate_recipients(all_recps, NULL, 0);
4622 if ((valid != NULL) && (valid->num_room == 1))
4624 /* posting into an ML room? set the envelope from
4625 * to the actual mail address so others get a valid
4628 msg->cm_fields['V'] = strdup(valid->recp_orgroom);
4632 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4634 cprintf("%ld\n", msgnum);
4636 if (StrLength(CCC->StatusMessage) > 0) {
4637 cprintf("%s\n", ChrPtr(CCC->StatusMessage));
4639 else if (msgnum >= 0L) {
4640 client_write(HKEY("Message accepted.\n"));
4643 client_write(HKEY("Internal error.\n"));
4646 if (msg->cm_fields['E'] != NULL) {
4647 cprintf("%s\n", msg->cm_fields['E']);
4654 CtdlFreeMessage(msg);
4656 if (valid != NULL) {
4657 free_recipients(valid);
4665 * API function to delete messages which match a set of criteria
4666 * (returns the actual number of messages deleted)
4668 int CtdlDeleteMessages(char *room_name, /* which room */
4669 long *dmsgnums, /* array of msg numbers to be deleted */
4670 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4671 char *content_type /* or "" for any. regular expressions expected. */
4674 struct CitContext *CCC = CC;
4675 struct ctdlroom qrbuf;
4676 struct cdbdata *cdbfr;
4677 long *msglist = NULL;
4678 long *dellist = NULL;
4681 int num_deleted = 0;
4683 struct MetaData smi;
4686 int need_to_free_re = 0;
4688 if (content_type) if (!IsEmptyStr(content_type)) {
4689 regcomp(&re, content_type, 0);
4690 need_to_free_re = 1;
4692 MSG_syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4693 room_name, num_dmsgnums, content_type);
4695 /* get room record, obtaining a lock... */
4696 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4697 MSG_syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4699 if (need_to_free_re) regfree(&re);
4700 return (0); /* room not found */
4702 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4704 if (cdbfr != NULL) {
4705 dellist = malloc(cdbfr->len);
4706 msglist = (long *) cdbfr->ptr;
4707 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4708 num_msgs = cdbfr->len / sizeof(long);
4712 int have_contenttype = (content_type != NULL) && !IsEmptyStr(content_type);
4713 int have_delmsgs = (num_dmsgnums == 0) || (dmsgnums == NULL);
4714 int have_more_del = 1;
4716 num_msgs = sort_msglist(msglist, num_msgs);
4717 if (num_dmsgnums > 1)
4718 num_dmsgnums = sort_msglist(dmsgnums, num_dmsgnums);
4721 StrBuf *dbg = NewStrBuf();
4722 for (i = 0; i < num_dmsgnums; i++)
4723 StrBufAppendPrintf(dbg, ", %ld", dmsgnums[i]);
4724 MSG_syslog(LOG_DEBUG, "Deleting before: %s", ChrPtr(dbg));
4729 while ((i < num_msgs) && (have_more_del)) {
4733 /* Set/clear a bit for each criterion */
4735 /* 0 messages in the list or a null list means that we are
4736 * interested in deleting any messages which meet the other criteria.
4739 delete_this |= 0x01;
4742 while ((i < num_msgs) && (msglist[i] < dmsgnums[j])) i++;
4743 if (msglist[i] == dmsgnums[j]) {
4744 delete_this |= 0x01;
4747 have_more_del = (j < num_dmsgnums);
4750 if (have_contenttype) {
4751 GetMetaData(&smi, msglist[i]);
4752 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4753 delete_this |= 0x02;
4756 delete_this |= 0x02;
4759 /* Delete message only if all bits are set */
4760 if (delete_this == 0x03) {
4761 dellist[num_deleted++] = msglist[i];
4768 StrBuf *dbg = NewStrBuf();
4769 for (i = 0; i < num_deleted; i++)
4770 StrBufAppendPrintf(dbg, ", %ld", dellist[i]);
4771 MSG_syslog(LOG_DEBUG, "Deleting: %s", ChrPtr(dbg));
4775 num_msgs = sort_msglist(msglist, num_msgs);
4776 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4777 msglist, (int)(num_msgs * sizeof(long)));
4780 qrbuf.QRhighest = msglist[num_msgs - 1];
4782 qrbuf.QRhighest = 0;
4784 CtdlPutRoomLock(&qrbuf);
4786 /* Go through the messages we pulled out of the index, and decrement
4787 * their reference counts by 1. If this is the only room the message
4788 * was in, the reference count will reach zero and the message will
4789 * automatically be deleted from the database. We do this in a
4790 * separate pass because there might be plug-in hooks getting called,
4791 * and we don't want that happening during an S_ROOMS critical
4795 for (i=0; i<num_deleted; ++i) {
4796 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4798 AdjRefCountList(dellist, num_deleted, -1);
4800 /* Now free the memory we used, and go away. */
4801 if (msglist != NULL) free(msglist);
4802 if (dellist != NULL) free(dellist);
4803 MSG_syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4804 if (need_to_free_re) regfree(&re);
4805 return (num_deleted);
4811 * Check whether the current user has permission to delete messages from
4812 * the current room (returns 1 for yes, 0 for no)
4814 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4816 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4817 if (ra & UA_DELETEALLOWED) return(1);
4825 * Delete message from current room
4827 void cmd_dele(char *args)
4836 extract_token(msgset, args, 0, '|', sizeof msgset);
4837 num_msgs = num_tokens(msgset, ',');
4839 cprintf("%d Nothing to do.\n", CIT_OK);
4843 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4844 cprintf("%d Higher access required.\n",
4845 ERROR + HIGHER_ACCESS_REQUIRED);
4850 * Build our message set to be moved/copied
4852 msgs = malloc(num_msgs * sizeof(long));
4853 for (i=0; i<num_msgs; ++i) {
4854 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4855 msgs[i] = atol(msgtok);
4858 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4862 cprintf("%d %d message%s deleted.\n", CIT_OK,
4863 num_deleted, ((num_deleted != 1) ? "s" : ""));
4865 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4873 * move or copy a message to another room
4875 void cmd_move(char *args)
4882 char targ[ROOMNAMELEN];
4883 struct ctdlroom qtemp;
4890 extract_token(msgset, args, 0, '|', sizeof msgset);
4891 num_msgs = num_tokens(msgset, ',');
4893 cprintf("%d Nothing to do.\n", CIT_OK);
4897 extract_token(targ, args, 1, '|', sizeof targ);
4898 convert_room_name_macros(targ, sizeof targ);
4899 targ[ROOMNAMELEN - 1] = 0;
4900 is_copy = extract_int(args, 2);
4902 if (CtdlGetRoom(&qtemp, targ) != 0) {
4903 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4907 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4908 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4912 CtdlGetUser(&CC->user, CC->curr_user);
4913 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4915 /* Check for permission to perform this operation.
4916 * Remember: "CC->room" is source, "qtemp" is target.
4920 /* Admins can move/copy */
4921 if (CC->user.axlevel >= AxAideU) permit = 1;
4923 /* Room aides can move/copy */
4924 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4926 /* Permit move/copy from personal rooms */
4927 if ((CC->room.QRflags & QR_MAILBOX)
4928 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4930 /* Permit only copy from public to personal room */
4932 && (!(CC->room.QRflags & QR_MAILBOX))
4933 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4935 /* Permit message removal from collaborative delete rooms */
4936 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4938 /* Users allowed to post into the target room may move into it too. */
4939 if ((CC->room.QRflags & QR_MAILBOX) &&
4940 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4942 /* User must have access to target room */
4943 if (!(ra & UA_KNOWN)) permit = 0;
4946 cprintf("%d Higher access required.\n",
4947 ERROR + HIGHER_ACCESS_REQUIRED);
4952 * Build our message set to be moved/copied
4954 msgs = malloc(num_msgs * sizeof(long));
4955 for (i=0; i<num_msgs; ++i) {
4956 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4957 msgs[i] = atol(msgtok);
4963 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4965 cprintf("%d Cannot store message(s) in %s: error %d\n",
4971 /* Now delete the message from the source room,
4972 * if this is a 'move' rather than a 'copy' operation.
4975 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4979 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4985 * GetMetaData() - Get the supplementary record for a message
4987 void GetMetaData(struct MetaData *smibuf, long msgnum)
4990 struct cdbdata *cdbsmi;
4993 memset(smibuf, 0, sizeof(struct MetaData));
4994 smibuf->meta_msgnum = msgnum;
4995 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4997 /* Use the negative of the message number for its supp record index */
4998 TheIndex = (0L - msgnum);
5000 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
5001 if (cdbsmi == NULL) {
5002 return; /* record not found; go with defaults */
5004 memcpy(smibuf, cdbsmi->ptr,
5005 ((cdbsmi->len > sizeof(struct MetaData)) ?
5006 sizeof(struct MetaData) : cdbsmi->len));
5013 * PutMetaData() - (re)write supplementary record for a message
5015 void PutMetaData(struct MetaData *smibuf)
5019 /* Use the negative of the message number for the metadata db index */
5020 TheIndex = (0L - smibuf->meta_msgnum);
5022 cdb_store(CDB_MSGMAIN,
5023 &TheIndex, (int)sizeof(long),
5024 smibuf, (int)sizeof(struct MetaData));
5029 * AdjRefCount - submit an adjustment to the reference count for a message.
5030 * (These are just queued -- we actually process them later.)
5032 void AdjRefCount(long msgnum, int incr)
5034 struct CitContext *CCC = CC;
5035 struct arcq new_arcq;
5038 MSG_syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n", msgnum, incr);
5040 begin_critical_section(S_SUPPMSGMAIN);
5041 if (arcfp == NULL) {
5042 arcfp = fopen(file_arcq, "ab+");
5043 chown(file_arcq, CTDLUID, (-1));
5044 chmod(file_arcq, 0600);
5046 end_critical_section(S_SUPPMSGMAIN);
5048 /* msgnum < 0 means that we're trying to close the file */
5050 MSGM_syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
5051 begin_critical_section(S_SUPPMSGMAIN);
5052 if (arcfp != NULL) {
5056 end_critical_section(S_SUPPMSGMAIN);
5061 * If we can't open the queue, perform the operation synchronously.
5063 if (arcfp == NULL) {
5064 TDAP_AdjRefCount(msgnum, incr);
5068 new_arcq.arcq_msgnum = msgnum;
5069 new_arcq.arcq_delta = incr;
5070 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
5072 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5081 void AdjRefCountList(long *msgnum, long nmsg, int incr)
5083 struct CitContext *CCC = CC;
5084 long i, the_size, offset;
5085 struct arcq *new_arcq;
5088 MSG_syslog(LOG_DEBUG, "AdjRefCountList() msg %ld ref count delta %+d\n", nmsg, incr);
5090 begin_critical_section(S_SUPPMSGMAIN);
5091 if (arcfp == NULL) {
5092 arcfp = fopen(file_arcq, "ab+");
5093 chown(file_arcq, CTDLUID, (-1));
5094 chmod(file_arcq, 0600);
5096 end_critical_section(S_SUPPMSGMAIN);
5099 * If we can't open the queue, perform the operation synchronously.
5101 if (arcfp == NULL) {
5102 for (i = 0; i < nmsg; i++)
5103 TDAP_AdjRefCount(msgnum[i], incr);
5107 the_size = sizeof(struct arcq) * nmsg;
5108 new_arcq = malloc(the_size);
5109 for (i = 0; i < nmsg; i++) {
5110 new_arcq[i].arcq_msgnum = msgnum[i];
5111 new_arcq[i].arcq_delta = incr;
5115 while ((rv >= 0) && (offset < the_size))
5117 rv = fwrite(new_arcq + offset, 1, the_size - offset, arcfp);
5119 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5135 * TDAP_ProcessAdjRefCountQueue()
5137 * Process the queue of message count adjustments that was created by calls
5138 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
5139 * for each one. This should be an "off hours" operation.
5141 int TDAP_ProcessAdjRefCountQueue(void)
5143 struct CitContext *CCC = CC;
5144 char file_arcq_temp[PATH_MAX];
5147 struct arcq arcq_rec;
5148 int num_records_processed = 0;
5150 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
5152 begin_critical_section(S_SUPPMSGMAIN);
5153 if (arcfp != NULL) {
5158 r = link(file_arcq, file_arcq_temp);
5160 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5161 end_critical_section(S_SUPPMSGMAIN);
5162 return(num_records_processed);
5166 end_critical_section(S_SUPPMSGMAIN);
5168 fp = fopen(file_arcq_temp, "rb");
5170 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5171 return(num_records_processed);
5174 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5175 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5176 ++num_records_processed;
5180 r = unlink(file_arcq_temp);
5182 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5185 return(num_records_processed);
5191 * TDAP_AdjRefCount - adjust the reference count for a message.
5192 * This one does it "for real" because it's called by
5193 * the autopurger function that processes the queue
5194 * created by AdjRefCount(). If a message's reference
5195 * count becomes zero, we also delete the message from
5196 * disk and de-index it.
5198 void TDAP_AdjRefCount(long msgnum, int incr)
5200 struct CitContext *CCC = CC;
5202 struct MetaData smi;
5205 /* This is a *tight* critical section; please keep it that way, as
5206 * it may get called while nested in other critical sections.
5207 * Complicating this any further will surely cause deadlock!
5209 begin_critical_section(S_SUPPMSGMAIN);
5210 GetMetaData(&smi, msgnum);
5211 smi.meta_refcount += incr;
5213 end_critical_section(S_SUPPMSGMAIN);
5214 MSG_syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5215 msgnum, incr, smi.meta_refcount
5218 /* If the reference count is now zero, delete the message
5219 * (and its supplementary record as well).
5221 if (smi.meta_refcount == 0) {
5222 MSG_syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5224 /* Call delete hooks with NULL room to show it has gone altogether */
5225 PerformDeleteHooks(NULL, msgnum);
5227 /* Remove from message base */
5229 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5230 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5232 /* Remove metadata record */
5233 delnum = (0L - msgnum);
5234 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5240 * Write a generic object to this room
5242 * Note: this could be much more efficient. Right now we use two temporary
5243 * files, and still pull the message into memory as with all others.
5245 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5246 char *content_type, /* MIME type of this object */
5247 char *raw_message, /* Data to be written */
5248 off_t raw_length, /* Size of raw_message */
5249 struct ctdluser *is_mailbox, /* Mailbox room? */
5250 int is_binary, /* Is encoding necessary? */
5251 int is_unique, /* Del others of this type? */
5252 unsigned int flags /* Internal save flags */
5255 struct CitContext *CCC = CC;
5256 struct ctdlroom qrbuf;
5257 char roomname[ROOMNAMELEN];
5258 struct CtdlMessage *msg;
5259 char *encoded_message = NULL;
5261 if (is_mailbox != NULL) {
5262 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5265 safestrncpy(roomname, req_room, sizeof(roomname));
5268 MSG_syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5271 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5274 encoded_message = malloc((size_t)(raw_length + 4096));
5277 sprintf(encoded_message, "Content-type: %s\n", content_type);
5280 sprintf(&encoded_message[strlen(encoded_message)],
5281 "Content-transfer-encoding: base64\n\n"
5285 sprintf(&encoded_message[strlen(encoded_message)],
5286 "Content-transfer-encoding: 7bit\n\n"
5292 &encoded_message[strlen(encoded_message)],
5300 &encoded_message[strlen(encoded_message)],
5306 MSGM_syslog(LOG_DEBUG, "Allocating\n");
5307 msg = malloc(sizeof(struct CtdlMessage));
5308 memset(msg, 0, sizeof(struct CtdlMessage));
5309 msg->cm_magic = CTDLMESSAGE_MAGIC;
5310 msg->cm_anon_type = MES_NORMAL;
5311 msg->cm_format_type = 4;
5312 msg->cm_fields['A'] = strdup(CCC->user.fullname);
5313 msg->cm_fields['O'] = strdup(req_room);
5314 msg->cm_fields['N'] = strdup(config.c_nodename);
5315 msg->cm_fields['H'] = strdup(config.c_humannode);
5316 msg->cm_flags = flags;
5318 msg->cm_fields['M'] = encoded_message;
5320 /* Create the requested room if we have to. */
5321 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5322 CtdlCreateRoom(roomname,
5323 ( (is_mailbox != NULL) ? 5 : 3 ),
5324 "", 0, 1, 0, VIEW_BBS);
5326 /* If the caller specified this object as unique, delete all
5327 * other objects of this type that are currently in the room.
5330 MSG_syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5331 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5334 /* Now write the data */
5335 CtdlSubmitMsg(msg, NULL, roomname, 0);
5336 CtdlFreeMessage(msg);
5344 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5345 config_msgnum = msgnum;
5349 char *CtdlGetSysConfig(char *sysconfname) {
5350 char hold_rm[ROOMNAMELEN];
5353 struct CtdlMessage *msg;
5356 strcpy(hold_rm, CC->room.QRname);
5357 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5358 CtdlGetRoom(&CC->room, hold_rm);
5363 /* We want the last (and probably only) config in this room */
5364 begin_critical_section(S_CONFIG);
5365 config_msgnum = (-1L);
5366 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5367 CtdlGetSysConfigBackend, NULL);
5368 msgnum = config_msgnum;
5369 end_critical_section(S_CONFIG);
5375 msg = CtdlFetchMessage(msgnum, 1);
5377 conf = strdup(msg->cm_fields['M']);
5378 CtdlFreeMessage(msg);
5385 CtdlGetRoom(&CC->room, hold_rm);
5387 if (conf != NULL) do {
5388 extract_token(buf, conf, 0, '\n', sizeof buf);
5389 strcpy(conf, &conf[strlen(buf)+1]);
5390 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5396 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5397 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5402 * Determine whether a given Internet address belongs to the current user
5404 int CtdlIsMe(char *addr, int addr_buf_len)
5406 struct recptypes *recp;
5409 recp = validate_recipients(addr, NULL, 0);
5410 if (recp == NULL) return(0);
5412 if (recp->num_local == 0) {
5413 free_recipients(recp);
5417 for (i=0; i<recp->num_local; ++i) {
5418 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5419 if (!strcasecmp(addr, CC->user.fullname)) {
5420 free_recipients(recp);
5425 free_recipients(recp);
5431 * Citadel protocol command to do the same
5433 void cmd_isme(char *argbuf) {
5436 if (CtdlAccessCheck(ac_logged_in)) return;
5437 extract_token(addr, argbuf, 0, '|', sizeof addr);
5439 if (CtdlIsMe(addr, sizeof addr)) {
5440 cprintf("%d %s\n", CIT_OK, addr);
5443 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5449 /*****************************************************************************/
5450 /* MODULE INITIALIZATION STUFF */
5451 /*****************************************************************************/
5452 void SetMessageDebugEnabled(const int n)
5454 MessageDebugEnabled = n;
5456 CTDL_MODULE_INIT(msgbase)
5459 CtdlRegisterDebugFlagHook(HKEY("messages"), SetMessageDebugEnabled, &MessageDebugEnabled);
5461 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5462 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5463 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5464 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5465 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5466 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5467 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5468 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5469 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5470 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5471 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5472 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5475 /* return our Subversion id for the Log */