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;
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 void aide_message (char *text, char *subject)
3495 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3500 * Convenience function for generating small administrative messages.
3502 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3503 int format_type, const char *subject)
3505 struct CtdlMessage *msg;
3506 struct recptypes *recp = NULL;
3508 msg = malloc(sizeof(struct CtdlMessage));
3509 memset(msg, 0, sizeof(struct CtdlMessage));
3510 msg->cm_magic = CTDLMESSAGE_MAGIC;
3511 msg->cm_anon_type = MES_NORMAL;
3512 msg->cm_format_type = format_type;
3515 msg->cm_fields['A'] = strdup(from);
3517 else if (fromaddr != NULL) {
3518 msg->cm_fields['A'] = strdup(fromaddr);
3519 if (strchr(msg->cm_fields['A'], '@')) {
3520 *strchr(msg->cm_fields['A'], '@') = 0;
3524 msg->cm_fields['A'] = strdup("Citadel");
3527 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3528 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3529 msg->cm_fields['N'] = strdup(NODENAME);
3531 msg->cm_fields['R'] = strdup(to);
3532 recp = validate_recipients(to, NULL, 0);
3534 if (subject != NULL) {
3535 msg->cm_fields['U'] = strdup(subject);
3537 msg->cm_fields['M'] = strdup(text);
3539 CtdlSubmitMsg(msg, recp, room, 0);
3540 CtdlFreeMessage(msg);
3541 if (recp != NULL) free_recipients(recp);
3547 * Back end function used by CtdlMakeMessage() and similar functions
3549 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3551 size_t maxlen, /* maximum message length */
3552 char *exist, /* if non-null, append to it;
3553 exist is ALWAYS freed */
3554 int crlf, /* CRLF newlines instead of LF */
3555 int *sock /* socket handle or 0 for this session's client socket */
3564 LineBuf = NewStrBufPlain(NULL, SIZ);
3565 if (exist == NULL) {
3566 Message = NewStrBufPlain(NULL, 4 * SIZ);
3569 Message = NewStrBufPlain(exist, -1);
3573 /* Do we need to change leading ".." to "." for SMTP escaping? */
3574 if ((tlen == 1) && (*terminator == '.')) {
3578 /* read in the lines of message text one by one */
3581 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3586 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3588 if ((StrLength(LineBuf) == tlen) &&
3589 (!strcmp(ChrPtr(LineBuf), terminator)))
3592 if ( (!flushing) && (!finished) ) {
3594 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3597 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3600 /* Unescape SMTP-style input of two dots at the beginning of the line */
3602 (StrLength(LineBuf) == 2) &&
3603 (!strcmp(ChrPtr(LineBuf), "..")))
3605 StrBufCutLeft(LineBuf, 1);
3608 StrBufAppendBuf(Message, LineBuf, 0);
3611 /* if we've hit the max msg length, flush the rest */
3612 if (StrLength(Message) >= maxlen) flushing = 1;
3614 } while (!finished);
3615 FreeStrBuf(&LineBuf);
3619 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3623 FreeStrBuf(&(*Msg)->MsgBuf);
3629 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3631 size_t maxlen, /* maximum message length */
3632 size_t expectlen, /* if we expect a message, how long should it be? */
3633 char *exist, /* if non-null, append to it;
3634 exist is ALWAYS freed */
3635 long eLen, /* length of exist */
3636 int crlf /* CRLF newlines instead of LF */
3639 ReadAsyncMsg *NewMsg;
3641 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3642 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3644 if (exist == NULL) {
3647 if (expectlen == 0) {
3651 len = expectlen + 10;
3653 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3656 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3659 /* Do we need to change leading ".." to "." for SMTP escaping? */
3660 if ((tlen == 1) && (*terminator == '.')) {
3664 NewMsg->terminator = terminator;
3665 NewMsg->tlen = tlen;
3667 NewMsg->maxlen = maxlen;
3669 NewMsg->crlf = crlf;
3675 * Back end function used by CtdlMakeMessage() and similar functions
3677 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3679 ReadAsyncMsg *ReadMsg;
3680 int MsgFinished = 0;
3681 eReadState Finished = eMustReadMore;
3686 const char *pch = ChrPtr(IO->SendBuf.Buf);
3687 const char *pchh = IO->SendBuf.ReadWritePointer;
3693 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3694 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3695 ((CitContext*)(IO->CitContext))->ServiceName,
3698 fd = fopen(fn, "a+");
3701 ReadMsg = IO->ReadMsg;
3703 /* read in the lines of message text one by one */
3705 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3708 case eMustReadMore: /// read new from socket...
3710 if (IO->RecvBuf.ReadWritePointer != NULL) {
3711 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3712 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3714 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3718 fprintf(fd, "BufferEmpty! \n");
3724 case eBufferNotEmpty: /* shouldn't happen... */
3725 case eReadSuccess: /// done for now...
3727 case eReadFail: /// WHUT?
3733 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3734 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3737 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3740 else if (!ReadMsg->flushing) {
3743 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3746 /* Unescape SMTP-style input of two dots at the beginning of the line */
3747 if ((ReadMsg->dodot) &&
3748 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3749 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3752 fprintf(fd, "UnEscaped!\n");
3754 StrBufCutLeft(IO->IOBuf, 1);
3757 if (ReadMsg->crlf) {
3758 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3761 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3764 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3767 /* if we've hit the max msg length, flush the rest */
3768 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3770 } while (!MsgFinished);
3773 fprintf(fd, "Done with reading; %s.\n, ",
3774 (MsgFinished)?"Message Finished": "FAILED");
3778 return eReadSuccess;
3785 * Back end function used by CtdlMakeMessage() and similar functions
3787 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3789 size_t maxlen, /* maximum message length */
3790 char *exist, /* if non-null, append to it;
3791 exist is ALWAYS freed */
3792 int crlf, /* CRLF newlines instead of LF */
3793 int *sock /* socket handle or 0 for this session's client socket */
3798 Message = CtdlReadMessageBodyBuf(terminator,
3804 if (Message == NULL)
3807 return SmashStrBuf(&Message);
3812 * Build a binary message to be saved on disk.
3813 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3814 * will become part of the message. This means you are no longer
3815 * responsible for managing that memory -- it will be freed along with
3816 * the rest of the fields when CtdlFreeMessage() is called.)
3819 struct CtdlMessage *CtdlMakeMessage(
3820 struct ctdluser *author, /* author's user structure */
3821 char *recipient, /* NULL if it's not mail */
3822 char *recp_cc, /* NULL if it's not mail */
3823 char *room, /* room where it's going */
3824 int type, /* see MES_ types in header file */
3825 int format_type, /* variformat, plain text, MIME... */
3826 char *fake_name, /* who we're masquerading as */
3827 char *my_email, /* which of my email addresses to use (empty is ok) */
3828 char *subject, /* Subject (optional) */
3829 char *supplied_euid, /* ...or NULL if this is irrelevant */
3830 char *preformatted_text, /* ...or NULL to read text from client */
3831 char *references /* Thread references */
3833 char dest_node[256];
3835 struct CtdlMessage *msg;
3837 StrBuf *FakeEncAuthor = NULL;
3839 msg = malloc(sizeof(struct CtdlMessage));
3840 memset(msg, 0, sizeof(struct CtdlMessage));
3841 msg->cm_magic = CTDLMESSAGE_MAGIC;
3842 msg->cm_anon_type = type;
3843 msg->cm_format_type = format_type;
3845 /* Don't confuse the poor folks if it's not routed mail. */
3846 strcpy(dest_node, "");
3848 if (recipient != NULL) striplt(recipient);
3849 if (recp_cc != NULL) striplt(recp_cc);
3851 /* Path or Return-Path */
3852 if (my_email == NULL) my_email = "";
3854 if (!IsEmptyStr(my_email)) {
3855 msg->cm_fields['P'] = strdup(my_email);
3858 snprintf(buf, sizeof buf, "%s", author->fullname);
3859 msg->cm_fields['P'] = strdup(buf);
3861 convert_spaces_to_underscores(msg->cm_fields['P']);
3863 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3864 msg->cm_fields['T'] = strdup(buf);
3866 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3867 FakeAuthor = NewStrBufPlain (fake_name, -1);
3870 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3872 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3873 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3874 FreeStrBuf(&FakeAuthor);
3876 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3877 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3880 msg->cm_fields['O'] = strdup(CC->room.QRname);
3883 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3884 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3886 if ((recipient != NULL) && (recipient[0] != 0)) {
3887 msg->cm_fields['R'] = strdup(recipient);
3889 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3890 msg->cm_fields['Y'] = strdup(recp_cc);
3892 if (dest_node[0] != 0) {
3893 msg->cm_fields['D'] = strdup(dest_node);
3896 if (!IsEmptyStr(my_email)) {
3897 msg->cm_fields['F'] = strdup(my_email);
3899 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3900 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3903 if (subject != NULL) {
3906 length = strlen(subject);
3912 while ((subject[i] != '\0') &&
3913 (IsAscii = isascii(subject[i]) != 0 ))
3916 msg->cm_fields['U'] = strdup(subject);
3917 else /* ok, we've got utf8 in the string. */
3919 msg->cm_fields['U'] = rfc2047encode(subject, length);
3925 if (supplied_euid != NULL) {
3926 msg->cm_fields['E'] = strdup(supplied_euid);
3929 if ((references != NULL) && (!IsEmptyStr(references))) {
3930 if (msg->cm_fields['W'] != NULL)
3931 free(msg->cm_fields['W']);
3932 msg->cm_fields['W'] = strdup(references);
3935 if (preformatted_text != NULL) {
3936 msg->cm_fields['M'] = preformatted_text;
3939 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3945 extern int netconfig_check_roomaccess(
3948 const char* RemoteIdentifier); /* TODO: find a smarter way */
3951 * Check to see whether we have permission to post a message in the current
3952 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3953 * returns 0 on success.
3955 int CtdlDoIHavePermissionToPostInThisRoom(
3958 const char* RemoteIdentifier,
3964 if (!(CC->logged_in) &&
3965 (PostPublic == POST_LOGGED_IN)) {
3966 snprintf(errmsgbuf, n, "Not logged in.");
3967 return (ERROR + NOT_LOGGED_IN);
3969 else if (PostPublic == CHECK_EXISTANCE) {
3970 return (0); // We're Evaling whether a recipient exists
3972 else if (!(CC->logged_in)) {
3974 if ((CC->room.QRflags & QR_READONLY)) {
3975 snprintf(errmsgbuf, n, "Not logged in.");
3976 return (ERROR + NOT_LOGGED_IN);
3978 if (CC->room.QRflags2 & QR2_MODERATED) {
3979 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3980 return (ERROR + NOT_LOGGED_IN);
3982 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3984 return netconfig_check_roomaccess(errmsgbuf, n, RemoteIdentifier);
3990 if ((CC->user.axlevel < AxProbU)
3991 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3992 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3993 return (ERROR + HIGHER_ACCESS_REQUIRED);
3996 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3998 if (ra & UA_POSTALLOWED) {
3999 strcpy(errmsgbuf, "OK to post or reply here");
4003 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
4005 * To be thorough, we ought to check to see if the message they are
4006 * replying to is actually a valid one in this room, but unless this
4007 * actually becomes a problem we'll go with high performance instead.
4009 strcpy(errmsgbuf, "OK to reply here");
4013 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
4014 /* Clarify what happened with a better error message */
4015 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
4016 return (ERROR + HIGHER_ACCESS_REQUIRED);
4019 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
4020 return (ERROR + HIGHER_ACCESS_REQUIRED);
4026 * Check to see if the specified user has Internet mail permission
4027 * (returns nonzero if permission is granted)
4029 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
4031 /* Do not allow twits to send Internet mail */
4032 if (who->axlevel <= AxProbU) return(0);
4034 /* Globally enabled? */
4035 if (config.c_restrict == 0) return(1);
4037 /* User flagged ok? */
4038 if (who->flags & US_INTERNET) return(2);
4040 /* Aide level access? */
4041 if (who->axlevel >= AxAideU) return(3);
4043 /* No mail for you! */
4049 * Validate recipients, count delivery types and errors, and handle aliasing
4050 * FIXME check for dupes!!!!!
4052 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4053 * were specified, or the number of addresses found invalid.
4055 * Caller needs to free the result using free_recipients()
4057 struct recptypes *validate_recipients(const char *supplied_recipients,
4058 const char *RemoteIdentifier,
4060 struct CitContext *CCC = CC;
4061 struct recptypes *ret;
4062 char *recipients = NULL;
4064 char this_recp[256];
4065 char this_recp_cooked[256];
4072 struct ctdluser tempUS;
4073 struct ctdlroom tempQR;
4074 struct ctdlroom tempQR2;
4080 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4081 if (ret == NULL) return(NULL);
4083 /* Set all strings to null and numeric values to zero */
4084 memset(ret, 0, sizeof(struct recptypes));
4086 if (supplied_recipients == NULL) {
4087 recipients = strdup("");
4090 recipients = strdup(supplied_recipients);
4093 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4094 * actually need, but it's healthier for the heap than doing lots of tiny
4095 * realloc() calls instead.
4097 len = strlen(recipients) + 1024;
4098 ret->errormsg = malloc(len);
4099 ret->recp_local = malloc(len);
4100 ret->recp_internet = malloc(len);
4101 ret->recp_ignet = malloc(len);
4102 ret->recp_room = malloc(len);
4103 ret->display_recp = malloc(len);
4104 ret->recp_orgroom = malloc(len);
4105 org_recp = malloc(len);
4107 ret->errormsg[0] = 0;
4108 ret->recp_local[0] = 0;
4109 ret->recp_internet[0] = 0;
4110 ret->recp_ignet[0] = 0;
4111 ret->recp_room[0] = 0;
4112 ret->recp_orgroom[0] = 0;
4113 ret->display_recp[0] = 0;
4115 ret->recptypes_magic = RECPTYPES_MAGIC;
4117 /* Change all valid separator characters to commas */
4118 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4119 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4120 recipients[i] = ',';
4124 /* Now start extracting recipients... */
4126 while (!IsEmptyStr(recipients)) {
4127 for (i=0; i<=strlen(recipients); ++i) {
4128 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4129 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4130 safestrncpy(this_recp, recipients, i+1);
4132 if (recipients[i] == ',') {
4133 strcpy(recipients, &recipients[i+1]);
4136 strcpy(recipients, "");
4143 if (IsEmptyStr(this_recp))
4145 MSG_syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4148 strcpy(org_recp, this_recp);
4151 mailtype = alias(this_recp);
4153 for (j = 0; !IsEmptyStr(&this_recp[j]); ++j) {
4154 if (this_recp[j]=='_') {
4155 this_recp_cooked[j] = ' ';
4158 this_recp_cooked[j] = this_recp[j];
4161 this_recp_cooked[j] = '\0';
4166 if (!strcasecmp(this_recp, "sysop")) {
4168 strcpy(this_recp, config.c_aideroom);
4169 if (!IsEmptyStr(ret->recp_room)) {
4170 strcat(ret->recp_room, "|");
4172 strcat(ret->recp_room, this_recp);
4174 else if ( (!strncasecmp(this_recp, "room_", 5))
4175 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4177 /* Save room so we can restore it later */
4178 tempQR2 = CCC->room;
4181 /* Check permissions to send mail to this room */
4182 err = CtdlDoIHavePermissionToPostInThisRoom(
4187 0 /* 0 = not a reply */
4196 if (!IsEmptyStr(ret->recp_room)) {
4197 strcat(ret->recp_room, "|");
4199 strcat(ret->recp_room, &this_recp_cooked[5]);
4201 if (!IsEmptyStr(ret->recp_orgroom)) {
4202 strcat(ret->recp_orgroom, "|");
4204 strcat(ret->recp_orgroom, org_recp);
4208 /* Restore room in case something needs it */
4209 CCC->room = tempQR2;
4212 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4214 strcpy(this_recp, tempUS.fullname);
4215 if (!IsEmptyStr(ret->recp_local)) {
4216 strcat(ret->recp_local, "|");
4218 strcat(ret->recp_local, this_recp);
4220 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4222 strcpy(this_recp, tempUS.fullname);
4223 if (!IsEmptyStr(ret->recp_local)) {
4224 strcat(ret->recp_local, "|");
4226 strcat(ret->recp_local, this_recp);
4234 /* Yes, you're reading this correctly: if the target
4235 * domain points back to the local system or an attached
4236 * Citadel directory, the address is invalid. That's
4237 * because if the address were valid, we would have
4238 * already translated it to a local address by now.
4240 if (IsDirectory(this_recp, 0)) {
4245 ++ret->num_internet;
4246 if (!IsEmptyStr(ret->recp_internet)) {
4247 strcat(ret->recp_internet, "|");
4249 strcat(ret->recp_internet, this_recp);
4254 if (!IsEmptyStr(ret->recp_ignet)) {
4255 strcat(ret->recp_ignet, "|");
4257 strcat(ret->recp_ignet, this_recp);
4265 if (IsEmptyStr(errmsg)) {
4266 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4269 snprintf(append, sizeof append, "%s", errmsg);
4271 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4272 if (!IsEmptyStr(ret->errormsg)) {
4273 strcat(ret->errormsg, "; ");
4275 strcat(ret->errormsg, append);
4279 if (IsEmptyStr(ret->display_recp)) {
4280 strcpy(append, this_recp);
4283 snprintf(append, sizeof append, ", %s", this_recp);
4285 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4286 strcat(ret->display_recp, append);
4292 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4293 ret->num_room + ret->num_error) == 0) {
4294 ret->num_error = (-1);
4295 strcpy(ret->errormsg, "No recipients specified.");
4298 MSGM_syslog(LOG_DEBUG, "validate_recipients()\n");
4299 MSG_syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4300 MSG_syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4301 MSG_syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4302 MSG_syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4303 MSG_syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4311 * Destructor for struct recptypes
4313 void free_recipients(struct recptypes *valid) {
4315 if (valid == NULL) {
4319 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4320 struct CitContext *CCC = CC;
4321 MSGM_syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4325 if (valid->errormsg != NULL) free(valid->errormsg);
4326 if (valid->recp_local != NULL) free(valid->recp_local);
4327 if (valid->recp_internet != NULL) free(valid->recp_internet);
4328 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4329 if (valid->recp_room != NULL) free(valid->recp_room);
4330 if (valid->recp_orgroom != NULL) free(valid->recp_orgroom);
4331 if (valid->display_recp != NULL) free(valid->display_recp);
4332 if (valid->bounce_to != NULL) free(valid->bounce_to);
4333 if (valid->envelope_from != NULL) free(valid->envelope_from);
4334 if (valid->sending_room != NULL) free(valid->sending_room);
4341 * message entry - mode 0 (normal)
4343 void cmd_ent0(char *entargs)
4345 struct CitContext *CCC = CC;
4350 char supplied_euid[128];
4352 int format_type = 0;
4353 char newusername[256];
4354 char newuseremail[256];
4355 struct CtdlMessage *msg;
4359 struct recptypes *valid = NULL;
4360 struct recptypes *valid_to = NULL;
4361 struct recptypes *valid_cc = NULL;
4362 struct recptypes *valid_bcc = NULL;
4364 int subject_required = 0;
4369 int newuseremail_ok = 0;
4370 char references[SIZ];
4375 post = extract_int(entargs, 0);
4376 extract_token(recp, entargs, 1, '|', sizeof recp);
4377 anon_flag = extract_int(entargs, 2);
4378 format_type = extract_int(entargs, 3);
4379 extract_token(subject, entargs, 4, '|', sizeof subject);
4380 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4381 do_confirm = extract_int(entargs, 6);
4382 extract_token(cc, entargs, 7, '|', sizeof cc);
4383 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4384 switch(CC->room.QRdefaultview) {
4387 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4390 supplied_euid[0] = 0;
4393 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4394 extract_token(references, entargs, 11, '|', sizeof references);
4395 for (ptr=references; *ptr != 0; ++ptr) {
4396 if (*ptr == '!') *ptr = '|';
4399 /* first check to make sure the request is valid. */
4401 err = CtdlDoIHavePermissionToPostInThisRoom(
4406 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4410 cprintf("%d %s\n", err, errmsg);
4414 /* Check some other permission type things. */
4416 if (IsEmptyStr(newusername)) {
4417 strcpy(newusername, CCC->user.fullname);
4419 if ( (CCC->user.axlevel < AxAideU)
4420 && (strcasecmp(newusername, CCC->user.fullname))
4421 && (strcasecmp(newusername, CCC->cs_inet_fn))
4423 cprintf("%d You don't have permission to author messages as '%s'.\n",
4424 ERROR + HIGHER_ACCESS_REQUIRED,
4431 if (IsEmptyStr(newuseremail)) {
4432 newuseremail_ok = 1;
4435 if (!IsEmptyStr(newuseremail)) {
4436 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4437 newuseremail_ok = 1;
4439 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4440 j = num_tokens(CCC->cs_inet_other_emails, '|');
4441 for (i=0; i<j; ++i) {
4442 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4443 if (!strcasecmp(newuseremail, buf)) {
4444 newuseremail_ok = 1;
4450 if (!newuseremail_ok) {
4451 cprintf("%d You don't have permission to author messages as '%s'.\n",
4452 ERROR + HIGHER_ACCESS_REQUIRED,
4458 CCC->cs_flags |= CS_POSTING;
4460 /* In mailbox rooms we have to behave a little differently --
4461 * make sure the user has specified at least one recipient. Then
4462 * validate the recipient(s). We do this for the Mail> room, as
4463 * well as any room which has the "Mailbox" view set - unless it
4464 * is the DRAFTS room which does not require recipients
4467 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4468 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4469 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4470 if (CCC->user.axlevel < AxProbU) {
4471 strcpy(recp, "sysop");
4476 valid_to = validate_recipients(recp, NULL, 0);
4477 if (valid_to->num_error > 0) {
4478 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4479 free_recipients(valid_to);
4483 valid_cc = validate_recipients(cc, NULL, 0);
4484 if (valid_cc->num_error > 0) {
4485 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4486 free_recipients(valid_to);
4487 free_recipients(valid_cc);
4491 valid_bcc = validate_recipients(bcc, NULL, 0);
4492 if (valid_bcc->num_error > 0) {
4493 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4494 free_recipients(valid_to);
4495 free_recipients(valid_cc);
4496 free_recipients(valid_bcc);
4500 /* Recipient required, but none were specified */
4501 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4502 free_recipients(valid_to);
4503 free_recipients(valid_cc);
4504 free_recipients(valid_bcc);
4505 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4509 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4510 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4511 cprintf("%d You do not have permission "
4512 "to send Internet mail.\n",
4513 ERROR + HIGHER_ACCESS_REQUIRED);
4514 free_recipients(valid_to);
4515 free_recipients(valid_cc);
4516 free_recipients(valid_bcc);
4521 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)
4522 && (CCC->user.axlevel < AxNetU) ) {
4523 cprintf("%d Higher access required for network mail.\n",
4524 ERROR + HIGHER_ACCESS_REQUIRED);
4525 free_recipients(valid_to);
4526 free_recipients(valid_cc);
4527 free_recipients(valid_bcc);
4531 if ((RESTRICT_INTERNET == 1)
4532 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4533 && ((CCC->user.flags & US_INTERNET) == 0)
4534 && (!CCC->internal_pgm)) {
4535 cprintf("%d You don't have access to Internet mail.\n",
4536 ERROR + HIGHER_ACCESS_REQUIRED);
4537 free_recipients(valid_to);
4538 free_recipients(valid_cc);
4539 free_recipients(valid_bcc);
4545 /* Is this a room which has anonymous-only or anonymous-option? */
4546 anonymous = MES_NORMAL;
4547 if (CCC->room.QRflags & QR_ANONONLY) {
4548 anonymous = MES_ANONONLY;
4550 if (CCC->room.QRflags & QR_ANONOPT) {
4551 if (anon_flag == 1) { /* only if the user requested it */
4552 anonymous = MES_ANONOPT;
4556 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4560 /* Recommend to the client that the use of a message subject is
4561 * strongly recommended in this room, if either the SUBJECTREQ flag
4562 * is set, or if there is one or more Internet email recipients.
4564 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4565 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4566 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4567 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4569 /* If we're only checking the validity of the request, return
4570 * success without creating the message.
4573 cprintf("%d %s|%d\n", CIT_OK,
4574 ((valid_to != NULL) ? valid_to->display_recp : ""),
4576 free_recipients(valid_to);
4577 free_recipients(valid_cc);
4578 free_recipients(valid_bcc);
4582 /* We don't need these anymore because we'll do it differently below */
4583 free_recipients(valid_to);
4584 free_recipients(valid_cc);
4585 free_recipients(valid_bcc);
4587 /* Read in the message from the client. */
4589 cprintf("%d send message\n", START_CHAT_MODE);
4591 cprintf("%d send message\n", SEND_LISTING);
4594 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4595 CCC->room.QRname, anonymous, format_type,
4596 newusername, newuseremail, subject,
4597 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4600 /* Put together one big recipients struct containing to/cc/bcc all in
4601 * one. This is for the envelope.
4603 char *all_recps = malloc(SIZ * 3);
4604 strcpy(all_recps, recp);
4605 if (!IsEmptyStr(cc)) {
4606 if (!IsEmptyStr(all_recps)) {
4607 strcat(all_recps, ",");
4609 strcat(all_recps, cc);
4611 if (!IsEmptyStr(bcc)) {
4612 if (!IsEmptyStr(all_recps)) {
4613 strcat(all_recps, ",");
4615 strcat(all_recps, bcc);
4617 if (!IsEmptyStr(all_recps)) {
4618 valid = validate_recipients(all_recps, NULL, 0);
4625 if ((valid != NULL) && (valid->num_room == 1))
4627 /* posting into an ML room? set the envelope from
4628 * to the actual mail address so others get a valid
4631 msg->cm_fields['V'] = strdup(valid->recp_orgroom);
4635 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4637 cprintf("%ld\n", msgnum);
4639 if (StrLength(CCC->StatusMessage) > 0) {
4640 cprintf("%s\n", ChrPtr(CCC->StatusMessage));
4642 else if (msgnum >= 0L) {
4643 client_write(HKEY("Message accepted.\n"));
4646 client_write(HKEY("Internal error.\n"));
4649 if (msg->cm_fields['E'] != NULL) {
4650 cprintf("%s\n", msg->cm_fields['E']);
4657 CtdlFreeMessage(msg);
4659 if (valid != NULL) {
4660 free_recipients(valid);
4668 * API function to delete messages which match a set of criteria
4669 * (returns the actual number of messages deleted)
4671 int CtdlDeleteMessages(char *room_name, /* which room */
4672 long *dmsgnums, /* array of msg numbers to be deleted */
4673 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4674 char *content_type /* or "" for any. regular expressions expected. */
4677 struct CitContext *CCC = CC;
4678 struct ctdlroom qrbuf;
4679 struct cdbdata *cdbfr;
4680 long *msglist = NULL;
4681 long *dellist = NULL;
4684 int num_deleted = 0;
4686 struct MetaData smi;
4689 int need_to_free_re = 0;
4691 if (content_type) if (!IsEmptyStr(content_type)) {
4692 regcomp(&re, content_type, 0);
4693 need_to_free_re = 1;
4695 MSG_syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4696 room_name, num_dmsgnums, content_type);
4698 /* get room record, obtaining a lock... */
4699 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4700 MSG_syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4702 if (need_to_free_re) regfree(&re);
4703 return (0); /* room not found */
4705 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4707 if (cdbfr != NULL) {
4708 dellist = malloc(cdbfr->len);
4709 msglist = (long *) cdbfr->ptr;
4710 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4711 num_msgs = cdbfr->len / sizeof(long);
4715 int have_contenttype = (content_type != NULL) && !IsEmptyStr(content_type);
4716 int have_delmsgs = (num_dmsgnums == 0) || (dmsgnums == NULL);
4717 int have_more_del = 1;
4719 num_msgs = sort_msglist(msglist, num_msgs);
4720 if (num_dmsgnums > 1)
4721 num_dmsgnums = sort_msglist(dmsgnums, num_dmsgnums);
4724 StrBuf *dbg = NewStrBuf();
4725 for (i = 0; i < num_dmsgnums; i++)
4726 StrBufAppendPrintf(dbg, ", %ld", dmsgnums[i]);
4727 MSG_syslog(LOG_DEBUG, "Deleting before: %s", ChrPtr(dbg));
4732 while ((i < num_msgs) && (have_more_del)) {
4736 /* Set/clear a bit for each criterion */
4738 /* 0 messages in the list or a null list means that we are
4739 * interested in deleting any messages which meet the other criteria.
4742 delete_this |= 0x01;
4745 while ((i < num_msgs) && (msglist[i] < dmsgnums[j])) i++;
4746 if (msglist[i] == dmsgnums[j]) {
4747 delete_this |= 0x01;
4750 have_more_del = (j < num_dmsgnums);
4753 if (have_contenttype) {
4754 GetMetaData(&smi, msglist[i]);
4755 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4756 delete_this |= 0x02;
4759 delete_this |= 0x02;
4762 /* Delete message only if all bits are set */
4763 if (delete_this == 0x03) {
4764 dellist[num_deleted++] = msglist[i];
4771 StrBuf *dbg = NewStrBuf();
4772 for (i = 0; i < num_deleted; i++)
4773 StrBufAppendPrintf(dbg, ", %ld", dellist[i]);
4774 MSG_syslog(LOG_DEBUG, "Deleting: %s", ChrPtr(dbg));
4778 num_msgs = sort_msglist(msglist, num_msgs);
4779 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4780 msglist, (int)(num_msgs * sizeof(long)));
4783 qrbuf.QRhighest = msglist[num_msgs - 1];
4785 qrbuf.QRhighest = 0;
4787 CtdlPutRoomLock(&qrbuf);
4789 /* Go through the messages we pulled out of the index, and decrement
4790 * their reference counts by 1. If this is the only room the message
4791 * was in, the reference count will reach zero and the message will
4792 * automatically be deleted from the database. We do this in a
4793 * separate pass because there might be plug-in hooks getting called,
4794 * and we don't want that happening during an S_ROOMS critical
4798 for (i=0; i<num_deleted; ++i) {
4799 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4801 AdjRefCountList(dellist, num_deleted, -1);
4803 /* Now free the memory we used, and go away. */
4804 if (msglist != NULL) free(msglist);
4805 if (dellist != NULL) free(dellist);
4806 MSG_syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4807 if (need_to_free_re) regfree(&re);
4808 return (num_deleted);
4814 * Check whether the current user has permission to delete messages from
4815 * the current room (returns 1 for yes, 0 for no)
4817 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4819 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4820 if (ra & UA_DELETEALLOWED) return(1);
4828 * Delete message from current room
4830 void cmd_dele(char *args)
4839 extract_token(msgset, args, 0, '|', sizeof msgset);
4840 num_msgs = num_tokens(msgset, ',');
4842 cprintf("%d Nothing to do.\n", CIT_OK);
4846 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4847 cprintf("%d Higher access required.\n",
4848 ERROR + HIGHER_ACCESS_REQUIRED);
4853 * Build our message set to be moved/copied
4855 msgs = malloc(num_msgs * sizeof(long));
4856 for (i=0; i<num_msgs; ++i) {
4857 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4858 msgs[i] = atol(msgtok);
4861 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4865 cprintf("%d %d message%s deleted.\n", CIT_OK,
4866 num_deleted, ((num_deleted != 1) ? "s" : ""));
4868 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4876 * move or copy a message to another room
4878 void cmd_move(char *args)
4885 char targ[ROOMNAMELEN];
4886 struct ctdlroom qtemp;
4893 extract_token(msgset, args, 0, '|', sizeof msgset);
4894 num_msgs = num_tokens(msgset, ',');
4896 cprintf("%d Nothing to do.\n", CIT_OK);
4900 extract_token(targ, args, 1, '|', sizeof targ);
4901 convert_room_name_macros(targ, sizeof targ);
4902 targ[ROOMNAMELEN - 1] = 0;
4903 is_copy = extract_int(args, 2);
4905 if (CtdlGetRoom(&qtemp, targ) != 0) {
4906 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4910 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4911 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4915 CtdlGetUser(&CC->user, CC->curr_user);
4916 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4918 /* Check for permission to perform this operation.
4919 * Remember: "CC->room" is source, "qtemp" is target.
4923 /* Aides can move/copy */
4924 if (CC->user.axlevel >= AxAideU) permit = 1;
4926 /* Room aides can move/copy */
4927 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4929 /* Permit move/copy from personal rooms */
4930 if ((CC->room.QRflags & QR_MAILBOX)
4931 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4933 /* Permit only copy from public to personal room */
4935 && (!(CC->room.QRflags & QR_MAILBOX))
4936 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4938 /* Permit message removal from collaborative delete rooms */
4939 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4941 /* Users allowed to post into the target room may move into it too. */
4942 if ((CC->room.QRflags & QR_MAILBOX) &&
4943 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4945 /* User must have access to target room */
4946 if (!(ra & UA_KNOWN)) permit = 0;
4949 cprintf("%d Higher access required.\n",
4950 ERROR + HIGHER_ACCESS_REQUIRED);
4955 * Build our message set to be moved/copied
4957 msgs = malloc(num_msgs * sizeof(long));
4958 for (i=0; i<num_msgs; ++i) {
4959 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4960 msgs[i] = atol(msgtok);
4966 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4968 cprintf("%d Cannot store message(s) in %s: error %d\n",
4974 /* Now delete the message from the source room,
4975 * if this is a 'move' rather than a 'copy' operation.
4978 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4982 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4988 * GetMetaData() - Get the supplementary record for a message
4990 void GetMetaData(struct MetaData *smibuf, long msgnum)
4993 struct cdbdata *cdbsmi;
4996 memset(smibuf, 0, sizeof(struct MetaData));
4997 smibuf->meta_msgnum = msgnum;
4998 smibuf->meta_refcount = 1; /* Default reference count is 1 */
5000 /* Use the negative of the message number for its supp record index */
5001 TheIndex = (0L - msgnum);
5003 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
5004 if (cdbsmi == NULL) {
5005 return; /* record not found; go with defaults */
5007 memcpy(smibuf, cdbsmi->ptr,
5008 ((cdbsmi->len > sizeof(struct MetaData)) ?
5009 sizeof(struct MetaData) : cdbsmi->len));
5016 * PutMetaData() - (re)write supplementary record for a message
5018 void PutMetaData(struct MetaData *smibuf)
5022 /* Use the negative of the message number for the metadata db index */
5023 TheIndex = (0L - smibuf->meta_msgnum);
5025 cdb_store(CDB_MSGMAIN,
5026 &TheIndex, (int)sizeof(long),
5027 smibuf, (int)sizeof(struct MetaData));
5032 * AdjRefCount - submit an adjustment to the reference count for a message.
5033 * (These are just queued -- we actually process them later.)
5035 void AdjRefCount(long msgnum, int incr)
5037 struct CitContext *CCC = CC;
5038 struct arcq new_arcq;
5041 MSG_syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n", msgnum, incr);
5043 begin_critical_section(S_SUPPMSGMAIN);
5044 if (arcfp == NULL) {
5045 arcfp = fopen(file_arcq, "ab+");
5046 chown(file_arcq, CTDLUID, (-1));
5047 chmod(file_arcq, 0600);
5049 end_critical_section(S_SUPPMSGMAIN);
5051 /* msgnum < 0 means that we're trying to close the file */
5053 MSGM_syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
5054 begin_critical_section(S_SUPPMSGMAIN);
5055 if (arcfp != NULL) {
5059 end_critical_section(S_SUPPMSGMAIN);
5064 * If we can't open the queue, perform the operation synchronously.
5066 if (arcfp == NULL) {
5067 TDAP_AdjRefCount(msgnum, incr);
5071 new_arcq.arcq_msgnum = msgnum;
5072 new_arcq.arcq_delta = incr;
5073 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
5075 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5084 void AdjRefCountList(long *msgnum, long nmsg, int incr)
5086 struct CitContext *CCC = CC;
5087 long i, the_size, offset;
5088 struct arcq *new_arcq;
5091 MSG_syslog(LOG_DEBUG, "AdjRefCountList() msg %ld ref count delta %+d\n", nmsg, incr);
5093 begin_critical_section(S_SUPPMSGMAIN);
5094 if (arcfp == NULL) {
5095 arcfp = fopen(file_arcq, "ab+");
5096 chown(file_arcq, CTDLUID, (-1));
5097 chmod(file_arcq, 0600);
5099 end_critical_section(S_SUPPMSGMAIN);
5102 * If we can't open the queue, perform the operation synchronously.
5104 if (arcfp == NULL) {
5105 for (i = 0; i < nmsg; i++)
5106 TDAP_AdjRefCount(msgnum[i], incr);
5110 the_size = sizeof(struct arcq) * nmsg;
5111 new_arcq = malloc(the_size);
5112 for (i = 0; i < nmsg; i++) {
5113 new_arcq[i].arcq_msgnum = msgnum[i];
5114 new_arcq[i].arcq_delta = incr;
5118 while ((rv >= 0) && (offset < the_size))
5120 rv = fwrite(new_arcq + offset, 1, the_size - offset, arcfp);
5122 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5138 * TDAP_ProcessAdjRefCountQueue()
5140 * Process the queue of message count adjustments that was created by calls
5141 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
5142 * for each one. This should be an "off hours" operation.
5144 int TDAP_ProcessAdjRefCountQueue(void)
5146 struct CitContext *CCC = CC;
5147 char file_arcq_temp[PATH_MAX];
5150 struct arcq arcq_rec;
5151 int num_records_processed = 0;
5153 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
5155 begin_critical_section(S_SUPPMSGMAIN);
5156 if (arcfp != NULL) {
5161 r = link(file_arcq, file_arcq_temp);
5163 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5164 end_critical_section(S_SUPPMSGMAIN);
5165 return(num_records_processed);
5169 end_critical_section(S_SUPPMSGMAIN);
5171 fp = fopen(file_arcq_temp, "rb");
5173 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5174 return(num_records_processed);
5177 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5178 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5179 ++num_records_processed;
5183 r = unlink(file_arcq_temp);
5185 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5188 return(num_records_processed);
5194 * TDAP_AdjRefCount - adjust the reference count for a message.
5195 * This one does it "for real" because it's called by
5196 * the autopurger function that processes the queue
5197 * created by AdjRefCount(). If a message's reference
5198 * count becomes zero, we also delete the message from
5199 * disk and de-index it.
5201 void TDAP_AdjRefCount(long msgnum, int incr)
5203 struct CitContext *CCC = CC;
5205 struct MetaData smi;
5208 /* This is a *tight* critical section; please keep it that way, as
5209 * it may get called while nested in other critical sections.
5210 * Complicating this any further will surely cause deadlock!
5212 begin_critical_section(S_SUPPMSGMAIN);
5213 GetMetaData(&smi, msgnum);
5214 smi.meta_refcount += incr;
5216 end_critical_section(S_SUPPMSGMAIN);
5217 MSG_syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5218 msgnum, incr, smi.meta_refcount
5221 /* If the reference count is now zero, delete the message
5222 * (and its supplementary record as well).
5224 if (smi.meta_refcount == 0) {
5225 MSG_syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5227 /* Call delete hooks with NULL room to show it has gone altogether */
5228 PerformDeleteHooks(NULL, msgnum);
5230 /* Remove from message base */
5232 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5233 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5235 /* Remove metadata record */
5236 delnum = (0L - msgnum);
5237 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5243 * Write a generic object to this room
5245 * Note: this could be much more efficient. Right now we use two temporary
5246 * files, and still pull the message into memory as with all others.
5248 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5249 char *content_type, /* MIME type of this object */
5250 char *raw_message, /* Data to be written */
5251 off_t raw_length, /* Size of raw_message */
5252 struct ctdluser *is_mailbox, /* Mailbox room? */
5253 int is_binary, /* Is encoding necessary? */
5254 int is_unique, /* Del others of this type? */
5255 unsigned int flags /* Internal save flags */
5258 struct CitContext *CCC = CC;
5259 struct ctdlroom qrbuf;
5260 char roomname[ROOMNAMELEN];
5261 struct CtdlMessage *msg;
5262 char *encoded_message = NULL;
5264 if (is_mailbox != NULL) {
5265 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5268 safestrncpy(roomname, req_room, sizeof(roomname));
5271 MSG_syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5274 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5277 encoded_message = malloc((size_t)(raw_length + 4096));
5280 sprintf(encoded_message, "Content-type: %s\n", content_type);
5283 sprintf(&encoded_message[strlen(encoded_message)],
5284 "Content-transfer-encoding: base64\n\n"
5288 sprintf(&encoded_message[strlen(encoded_message)],
5289 "Content-transfer-encoding: 7bit\n\n"
5295 &encoded_message[strlen(encoded_message)],
5303 &encoded_message[strlen(encoded_message)],
5309 MSGM_syslog(LOG_DEBUG, "Allocating\n");
5310 msg = malloc(sizeof(struct CtdlMessage));
5311 memset(msg, 0, sizeof(struct CtdlMessage));
5312 msg->cm_magic = CTDLMESSAGE_MAGIC;
5313 msg->cm_anon_type = MES_NORMAL;
5314 msg->cm_format_type = 4;
5315 msg->cm_fields['A'] = strdup(CCC->user.fullname);
5316 msg->cm_fields['O'] = strdup(req_room);
5317 msg->cm_fields['N'] = strdup(config.c_nodename);
5318 msg->cm_fields['H'] = strdup(config.c_humannode);
5319 msg->cm_flags = flags;
5321 msg->cm_fields['M'] = encoded_message;
5323 /* Create the requested room if we have to. */
5324 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5325 CtdlCreateRoom(roomname,
5326 ( (is_mailbox != NULL) ? 5 : 3 ),
5327 "", 0, 1, 0, VIEW_BBS);
5329 /* If the caller specified this object as unique, delete all
5330 * other objects of this type that are currently in the room.
5333 MSG_syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5334 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5337 /* Now write the data */
5338 CtdlSubmitMsg(msg, NULL, roomname, 0);
5339 CtdlFreeMessage(msg);
5347 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5348 config_msgnum = msgnum;
5352 char *CtdlGetSysConfig(char *sysconfname) {
5353 char hold_rm[ROOMNAMELEN];
5356 struct CtdlMessage *msg;
5359 strcpy(hold_rm, CC->room.QRname);
5360 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5361 CtdlGetRoom(&CC->room, hold_rm);
5366 /* We want the last (and probably only) config in this room */
5367 begin_critical_section(S_CONFIG);
5368 config_msgnum = (-1L);
5369 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5370 CtdlGetSysConfigBackend, NULL);
5371 msgnum = config_msgnum;
5372 end_critical_section(S_CONFIG);
5378 msg = CtdlFetchMessage(msgnum, 1);
5380 conf = strdup(msg->cm_fields['M']);
5381 CtdlFreeMessage(msg);
5388 CtdlGetRoom(&CC->room, hold_rm);
5390 if (conf != NULL) do {
5391 extract_token(buf, conf, 0, '\n', sizeof buf);
5392 strcpy(conf, &conf[strlen(buf)+1]);
5393 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5399 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5400 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5405 * Determine whether a given Internet address belongs to the current user
5407 int CtdlIsMe(char *addr, int addr_buf_len)
5409 struct recptypes *recp;
5412 recp = validate_recipients(addr, NULL, 0);
5413 if (recp == NULL) return(0);
5415 if (recp->num_local == 0) {
5416 free_recipients(recp);
5420 for (i=0; i<recp->num_local; ++i) {
5421 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5422 if (!strcasecmp(addr, CC->user.fullname)) {
5423 free_recipients(recp);
5428 free_recipients(recp);
5434 * Citadel protocol command to do the same
5436 void cmd_isme(char *argbuf) {
5439 if (CtdlAccessCheck(ac_logged_in)) return;
5440 extract_token(addr, argbuf, 0, '|', sizeof addr);
5442 if (CtdlIsMe(addr, sizeof addr)) {
5443 cprintf("%d %s\n", CIT_OK, addr);
5446 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5452 /*****************************************************************************/
5453 /* MODULE INITIALIZATION STUFF */
5454 /*****************************************************************************/
5455 void SetMessageDebugEnabled(const int n)
5457 MessageDebugEnabled = n;
5459 CTDL_MODULE_INIT(msgbase)
5462 CtdlRegisterDebugFlagHook(HKEY("messages"), SetMessageDebugEnabled, &MessageDebugEnabled);
5464 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5465 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5466 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5467 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5468 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5469 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5470 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5471 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5472 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5473 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5474 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5475 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5478 /* return our Subversion id for the Log */