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 */
1659 struct CitContext *CCC = CC;
1660 struct CtdlMessage *TheMessage = NULL;
1661 int retcode = CIT_OK;
1662 struct encapmsg encap;
1665 MSG_syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1667 (section ? section : "<>")
1670 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1673 if (r == om_not_logged_in) {
1674 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1677 cprintf("%d An unknown error has occurred.\n", ERROR);
1684 * Check to make sure the message is actually IN this room
1686 r = check_cached_msglist(msg_num);
1687 if (r == om_access_denied) {
1688 /* Not in the cache? We get ONE shot to check it again. */
1689 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1690 r = check_cached_msglist(msg_num);
1693 MSG_syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1694 msg_num, CCC->room.QRname
1697 if (r == om_access_denied) {
1698 cprintf("%d message %ld was not found in this room\n",
1699 ERROR + HIGHER_ACCESS_REQUIRED,
1708 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1709 * request that we don't even bother loading the body into memory.
1711 if (headers_only == HEADERS_FAST) {
1712 TheMessage = CtdlFetchMessage(msg_num, 0);
1715 TheMessage = CtdlFetchMessage(msg_num, 1);
1718 if (TheMessage == NULL) {
1719 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1720 ERROR + MESSAGE_NOT_FOUND, msg_num);
1721 return(om_no_such_msg);
1724 /* Here is the weird form of this command, to process only an
1725 * encapsulated message/rfc822 section.
1727 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1728 memset(&encap, 0, sizeof encap);
1729 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1730 mime_parser(TheMessage->cm_fields['M'],
1732 *extract_encapsulated_message,
1733 NULL, NULL, (void *)&encap, 0
1735 CtdlFreeMessage(TheMessage);
1739 encap.msg[encap.msglen] = 0;
1740 TheMessage = convert_internet_message(encap.msg);
1741 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1743 /* Now we let it fall through to the bottom of this
1744 * function, because TheMessage now contains the
1745 * encapsulated message instead of the top-level
1746 * message. Isn't that neat?
1752 cprintf("%d msg %ld has no part %s\n",
1753 ERROR + MESSAGE_NOT_FOUND,
1757 retcode = om_no_such_msg;
1762 /* Ok, output the message now */
1763 if (retcode == CIT_OK)
1764 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1765 CtdlFreeMessage(TheMessage);
1771 char *qp_encode_email_addrs(char *source)
1773 struct CitContext *CCC = CC;
1774 char *user, *node, *name;
1775 const char headerStr[] = "=?UTF-8?Q?";
1779 int need_to_encode = 0;
1785 long nAddrPtrMax = 50;
1790 if (source == NULL) return source;
1791 if (IsEmptyStr(source)) return source;
1793 MSG_syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1795 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1796 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1797 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1800 while (!IsEmptyStr (&source[i])) {
1801 if (nColons >= nAddrPtrMax){
1804 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1805 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1806 free (AddrPtr), AddrPtr = ptr;
1808 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1809 memset(&ptr[nAddrPtrMax], 0,
1810 sizeof (long) * nAddrPtrMax);
1812 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1813 free (AddrUtf8), AddrUtf8 = ptr;
1816 if (((unsigned char) source[i] < 32) ||
1817 ((unsigned char) source[i] > 126)) {
1819 AddrUtf8[nColons] = 1;
1821 if (source[i] == '"')
1822 InQuotes = !InQuotes;
1823 if (!InQuotes && source[i] == ',') {
1824 AddrPtr[nColons] = i;
1829 if (need_to_encode == 0) {
1836 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1837 Encoded = (char*) malloc (EncodedMaxLen);
1839 for (i = 0; i < nColons; i++)
1840 source[AddrPtr[i]++] = '\0';
1841 /* TODO: if libidn, this might get larger*/
1842 user = malloc(SourceLen + 1);
1843 node = malloc(SourceLen + 1);
1844 name = malloc(SourceLen + 1);
1848 for (i = 0; i < nColons && nPtr != NULL; i++) {
1849 nmax = EncodedMaxLen - (nPtr - Encoded);
1851 process_rfc822_addr(&source[AddrPtr[i]],
1855 /* TODO: libIDN here ! */
1856 if (IsEmptyStr(name)) {
1857 n = snprintf(nPtr, nmax,
1858 (i==0)?"%s@%s" : ",%s@%s",
1862 EncodedName = rfc2047encode(name, strlen(name));
1863 n = snprintf(nPtr, nmax,
1864 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1865 EncodedName, user, node);
1870 n = snprintf(nPtr, nmax,
1871 (i==0)?"%s" : ",%s",
1872 &source[AddrPtr[i]]);
1878 ptr = (char*) malloc(EncodedMaxLen * 2);
1879 memcpy(ptr, Encoded, EncodedMaxLen);
1880 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1881 free(Encoded), Encoded = ptr;
1883 i--; /* do it once more with properly lengthened buffer */
1886 for (i = 0; i < nColons; i++)
1887 source[--AddrPtr[i]] = ',';
1898 /* If the last item in a list of recipients was truncated to a partial address,
1899 * remove it completely in order to avoid choking libSieve
1901 void sanitize_truncated_recipient(char *str)
1904 if (num_tokens(str, ',') < 2) return;
1906 int len = strlen(str);
1907 if (len < 900) return;
1908 if (len > 998) str[998] = 0;
1910 char *cptr = strrchr(str, ',');
1913 char *lptr = strchr(cptr, '<');
1914 char *rptr = strchr(cptr, '>');
1916 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1922 void OutputCtdlMsgHeaders(
1923 struct CtdlMessage *TheMessage,
1924 int do_proto) /* do Citadel protocol responses? */
1930 char display_name[256];
1932 /* begin header processing loop for Citadel message format */
1933 safestrncpy(display_name, "<unknown>", sizeof display_name);
1934 if (TheMessage->cm_fields['A']) {
1935 strcpy(buf, TheMessage->cm_fields['A']);
1936 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1937 safestrncpy(display_name, "****", sizeof display_name);
1939 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1940 safestrncpy(display_name, "anonymous", sizeof display_name);
1943 safestrncpy(display_name, buf, sizeof display_name);
1945 if ((is_room_aide())
1946 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1947 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1948 size_t tmp = strlen(display_name);
1949 snprintf(&display_name[tmp],
1950 sizeof display_name - tmp,
1955 /* Don't show Internet address for users on the
1956 * local Citadel network.
1959 if (TheMessage->cm_fields['N'] != NULL)
1960 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1961 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1965 /* Now spew the header fields in the order we like them. */
1966 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1967 for (i=0; i<n; ++i) {
1968 k = (int) allkeys[i];
1970 if ( (TheMessage->cm_fields[k] != NULL)
1971 && (msgkeys[k] != NULL) ) {
1972 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1973 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1976 if (do_proto) cprintf("%s=%s\n",
1980 else if ((k == 'F') && (suppress_f)) {
1983 /* Masquerade display name if needed */
1985 if (do_proto) cprintf("%s=%s\n",
1987 TheMessage->cm_fields[k]
1996 void OutputRFC822MsgHeaders(
1997 struct CtdlMessage *TheMessage,
1998 int flags, /* should the bessage be exported clean */
2000 char *mid, long sizeof_mid,
2001 char *suser, long sizeof_suser,
2002 char *luser, long sizeof_luser,
2003 char *fuser, long sizeof_fuser,
2004 char *snode, long sizeof_snode)
2006 char datestamp[100];
2007 int subject_found = 0;
2014 for (i = 0; i < 256; ++i) {
2015 if (TheMessage->cm_fields[i]) {
2016 mptr = mpptr = TheMessage->cm_fields[i];
2019 safestrncpy(luser, mptr, sizeof_luser);
2020 safestrncpy(suser, mptr, sizeof_suser);
2022 else if (i == 'Y') {
2023 if ((flags & QP_EADDR) != 0) {
2024 mptr = qp_encode_email_addrs(mptr);
2026 sanitize_truncated_recipient(mptr);
2027 cprintf("CC: %s%s", mptr, nl);
2029 else if (i == 'P') {
2030 cprintf("Return-Path: %s%s", mptr, nl);
2032 else if (i == 'L') {
2033 cprintf("List-ID: %s%s", mptr, nl);
2035 else if (i == 'V') {
2036 if ((flags & QP_EADDR) != 0)
2037 mptr = qp_encode_email_addrs(mptr);
2039 while ((*hptr != '\0') && isspace(*hptr))
2041 if (!IsEmptyStr(hptr))
2042 cprintf("Envelope-To: %s%s", hptr, nl);
2044 else if (i == 'U') {
2045 cprintf("Subject: %s%s", mptr, nl);
2049 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2051 safestrncpy(fuser, mptr, sizeof_fuser);
2052 /* else if (i == 'O')
2053 cprintf("X-Citadel-Room: %s%s",
2056 safestrncpy(snode, mptr, sizeof_snode);
2059 if (haschar(mptr, '@') == 0)
2061 sanitize_truncated_recipient(mptr);
2062 cprintf("To: %s@%s", mptr, config.c_fqdn);
2067 if ((flags & QP_EADDR) != 0) {
2068 mptr = qp_encode_email_addrs(mptr);
2070 sanitize_truncated_recipient(mptr);
2071 cprintf("To: %s", mptr);
2075 else if (i == 'T') {
2076 datestring(datestamp, sizeof datestamp,
2077 atol(mptr), DATESTRING_RFC822);
2078 cprintf("Date: %s%s", datestamp, nl);
2080 else if (i == 'W') {
2081 cprintf("References: ");
2082 k = num_tokens(mptr, '|');
2083 for (j=0; j<k; ++j) {
2084 extract_token(buf, mptr, j, '|', sizeof buf);
2085 cprintf("<%s>", buf);
2094 else if (i == 'K') {
2096 while ((*hptr != '\0') && isspace(*hptr))
2098 if (!IsEmptyStr(hptr))
2099 cprintf("Reply-To: %s%s", mptr, nl);
2105 if (subject_found == 0) {
2106 cprintf("Subject: (no subject)%s", nl);
2111 void Dump_RFC822HeadersBody(
2112 struct CtdlMessage *TheMessage,
2113 int headers_only, /* eschew the message body? */
2114 int flags, /* should the bessage be exported clean? */
2118 cit_uint8_t prev_ch;
2120 const char *StartOfText = StrBufNOTNULL;
2123 int nllen = strlen(nl);
2126 mptr = TheMessage->cm_fields['M'];
2130 while (*mptr != '\0') {
2131 if (*mptr == '\r') {
2138 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2140 eoh = *(mptr+1) == '\n';
2144 StartOfText = strchr(StartOfText, '\n');
2145 StartOfText = strchr(StartOfText, '\n');
2148 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2149 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2150 ((headers_only != HEADERS_NONE) &&
2151 (headers_only != HEADERS_ONLY))
2153 if (*mptr == '\n') {
2154 memcpy(&outbuf[outlen], nl, nllen);
2156 outbuf[outlen] = '\0';
2159 outbuf[outlen++] = *mptr;
2163 if (flags & ESC_DOT)
2165 if ((prev_ch == '\n') &&
2167 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2169 outbuf[outlen++] = '.';
2174 if (outlen > 1000) {
2175 if (client_write(outbuf, outlen) == -1)
2177 struct CitContext *CCC = CC;
2178 MSGM_syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2185 client_write(outbuf, outlen);
2191 /* If the format type on disk is 1 (fixed-format), then we want
2192 * everything to be output completely literally ... regardless of
2193 * what message transfer format is in use.
2195 void DumpFormatFixed(
2196 struct CtdlMessage *TheMessage,
2197 int mode, /* how would you like that message? */
2204 int nllen = strlen (nl);
2207 mptr = TheMessage->cm_fields['M'];
2209 if (mode == MT_MIME) {
2210 cprintf("Content-type: text/plain\n\n");
2214 while (ch = *mptr++, ch > 0) {
2218 if ((buflen > 250) && (!xlline)){
2222 while ((buflen > 0) &&
2223 (!isspace(buf[buflen])))
2229 mptr -= tbuflen - buflen;
2234 /* if we reach the outer bounds of our buffer,
2235 abort without respect what whe purge. */
2238 (buflen > SIZ - nllen - 2)))
2242 memcpy (&buf[buflen], nl, nllen);
2246 if (client_write(buf, buflen) == -1)
2248 struct CitContext *CCC = CC;
2249 MSGM_syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2261 if (!IsEmptyStr(buf))
2262 cprintf("%s%s", buf, nl);
2266 * Get a message off disk. (returns om_* values found in msgbase.h)
2268 int CtdlOutputPreLoadedMsg(
2269 struct CtdlMessage *TheMessage,
2270 int mode, /* how would you like that message? */
2271 int headers_only, /* eschew the message body? */
2272 int do_proto, /* do Citadel protocol responses? */
2273 int crlf, /* Use CRLF newlines instead of LF? */
2274 int flags /* should the bessage be exported clean? */
2276 struct CitContext *CCC = CC;
2279 const char *nl; /* newline string */
2282 /* Buffers needed for RFC822 translation. These are all filled
2283 * using functions that are bounds-checked, and therefore we can
2284 * make them substantially smaller than SIZ.
2292 MSG_syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2293 ((TheMessage == NULL) ? "NULL" : "not null"),
2294 mode, headers_only, do_proto, crlf);
2296 strcpy(mid, "unknown");
2297 nl = (crlf ? "\r\n" : "\n");
2299 if (!is_valid_message(TheMessage)) {
2300 MSGM_syslog(LOG_ERR,
2301 "ERROR: invalid preloaded message for output\n");
2303 return(om_no_such_msg);
2306 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2307 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2309 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2310 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2313 /* Are we downloading a MIME component? */
2314 if (mode == MT_DOWNLOAD) {
2315 if (TheMessage->cm_format_type != FMT_RFC822) {
2317 cprintf("%d This is not a MIME message.\n",
2318 ERROR + ILLEGAL_VALUE);
2319 } else if (CCC->download_fp != NULL) {
2320 if (do_proto) cprintf(
2321 "%d You already have a download open.\n",
2322 ERROR + RESOURCE_BUSY);
2324 /* Parse the message text component */
2325 mptr = TheMessage->cm_fields['M'];
2326 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2327 /* If there's no file open by this time, the requested
2328 * section wasn't found, so print an error
2330 if (CCC->download_fp == NULL) {
2331 if (do_proto) cprintf(
2332 "%d Section %s not found.\n",
2333 ERROR + FILE_NOT_FOUND,
2334 CCC->download_desired_section);
2337 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2340 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2341 * in a single server operation instead of opening a download file.
2343 if (mode == MT_SPEW_SECTION) {
2344 if (TheMessage->cm_format_type != FMT_RFC822) {
2346 cprintf("%d This is not a MIME message.\n",
2347 ERROR + ILLEGAL_VALUE);
2349 /* Parse the message text component */
2352 mptr = TheMessage->cm_fields['M'];
2353 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2354 /* If section wasn't found, print an error
2357 if (do_proto) cprintf(
2358 "%d Section %s not found.\n",
2359 ERROR + FILE_NOT_FOUND,
2360 CCC->download_desired_section);
2363 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2366 /* now for the user-mode message reading loops */
2367 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2369 /* Does the caller want to skip the headers? */
2370 if (headers_only == HEADERS_NONE) goto START_TEXT;
2372 /* Tell the client which format type we're using. */
2373 if ( (mode == MT_CITADEL) && (do_proto) ) {
2374 cprintf("type=%d\n", TheMessage->cm_format_type);
2377 /* nhdr=yes means that we're only displaying headers, no body */
2378 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2379 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2382 cprintf("nhdr=yes\n");
2385 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2386 OutputCtdlMsgHeaders(TheMessage, do_proto);
2389 /* begin header processing loop for RFC822 transfer format */
2393 strcpy(snode, NODENAME);
2394 if (mode == MT_RFC822)
2395 OutputRFC822MsgHeaders(
2400 suser, sizeof(suser),
2401 luser, sizeof(luser),
2402 fuser, sizeof(fuser),
2403 snode, sizeof(snode)
2407 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2408 suser[i] = tolower(suser[i]);
2409 if (!isalnum(suser[i])) suser[i]='_';
2412 if (mode == MT_RFC822) {
2413 if (!strcasecmp(snode, NODENAME)) {
2414 safestrncpy(snode, FQDN, sizeof snode);
2417 /* Construct a fun message id */
2418 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2419 if (strchr(mid, '@')==NULL) {
2420 cprintf("@%s", snode);
2424 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2425 cprintf("From: \"----\" <x@x.org>%s", nl);
2427 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2428 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2430 else if (!IsEmptyStr(fuser)) {
2431 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2434 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2437 /* Blank line signifying RFC822 end-of-headers */
2438 if (TheMessage->cm_format_type != FMT_RFC822) {
2443 /* end header processing loop ... at this point, we're in the text */
2445 if (headers_only == HEADERS_FAST) goto DONE;
2447 /* Tell the client about the MIME parts in this message */
2448 if (TheMessage->cm_format_type == FMT_RFC822) {
2449 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2450 mptr = TheMessage->cm_fields['M'];
2451 memset(&ma, 0, sizeof(struct ma_info));
2452 mime_parser(mptr, NULL,
2453 (do_proto ? *list_this_part : NULL),
2454 (do_proto ? *list_this_pref : NULL),
2455 (do_proto ? *list_this_suff : NULL),
2458 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2459 Dump_RFC822HeadersBody(
2468 if (headers_only == HEADERS_ONLY) {
2472 /* signify start of msg text */
2473 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2474 if (do_proto) cprintf("text\n");
2477 if (TheMessage->cm_format_type == FMT_FIXED)
2480 mode, /* how would you like that message? */
2483 /* If the message on disk is format 0 (Citadel vari-format), we
2484 * output using the formatter at 80 columns. This is the final output
2485 * form if the transfer format is RFC822, but if the transfer format
2486 * is Citadel proprietary, it'll still work, because the indentation
2487 * for new paragraphs is correct and the client will reformat the
2488 * message to the reader's screen width.
2490 if (TheMessage->cm_format_type == FMT_CITADEL) {
2491 mptr = TheMessage->cm_fields['M'];
2493 if (mode == MT_MIME) {
2494 cprintf("Content-type: text/x-citadel-variformat\n\n");
2499 /* If the message on disk is format 4 (MIME), we've gotta hand it
2500 * off to the MIME parser. The client has already been told that
2501 * this message is format 1 (fixed format), so the callback function
2502 * we use will display those parts as-is.
2504 if (TheMessage->cm_format_type == FMT_RFC822) {
2505 memset(&ma, 0, sizeof(struct ma_info));
2507 if (mode == MT_MIME) {
2508 ma.use_fo_hooks = 0;
2509 strcpy(ma.chosen_part, "1");
2510 ma.chosen_pref = 9999;
2511 ma.dont_decode = CCC->msg4_dont_decode;
2512 mime_parser(mptr, NULL,
2513 *choose_preferred, *fixed_output_pre,
2514 *fixed_output_post, (void *)&ma, 1);
2515 mime_parser(mptr, NULL,
2516 *output_preferred, NULL, NULL, (void *)&ma, 1);
2519 ma.use_fo_hooks = 1;
2520 mime_parser(mptr, NULL,
2521 *fixed_output, *fixed_output_pre,
2522 *fixed_output_post, (void *)&ma, 0);
2527 DONE: /* now we're done */
2528 if (do_proto) cprintf("000\n");
2534 * display a message (mode 0 - Citadel proprietary)
2536 void cmd_msg0(char *cmdbuf)
2539 int headers_only = HEADERS_ALL;
2541 msgid = extract_long(cmdbuf, 0);
2542 headers_only = extract_int(cmdbuf, 1);
2544 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2550 * display a message (mode 2 - RFC822)
2552 void cmd_msg2(char *cmdbuf)
2555 int headers_only = HEADERS_ALL;
2557 msgid = extract_long(cmdbuf, 0);
2558 headers_only = extract_int(cmdbuf, 1);
2560 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2566 * display a message (mode 3 - IGnet raw format - internal programs only)
2568 void cmd_msg3(char *cmdbuf)
2571 struct CtdlMessage *msg = NULL;
2574 if (CC->internal_pgm == 0) {
2575 cprintf("%d This command is for internal programs only.\n",
2576 ERROR + HIGHER_ACCESS_REQUIRED);
2580 msgnum = extract_long(cmdbuf, 0);
2581 msg = CtdlFetchMessage(msgnum, 1);
2583 cprintf("%d Message %ld not found.\n",
2584 ERROR + MESSAGE_NOT_FOUND, msgnum);
2588 serialize_message(&smr, msg);
2589 CtdlFreeMessage(msg);
2592 cprintf("%d Unable to serialize message\n",
2593 ERROR + INTERNAL_ERROR);
2597 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2598 client_write((char *)smr.ser, (int)smr.len);
2605 * Display a message using MIME content types
2607 void cmd_msg4(char *cmdbuf)
2612 msgid = extract_long(cmdbuf, 0);
2613 extract_token(section, cmdbuf, 1, '|', sizeof section);
2614 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2620 * Client tells us its preferred message format(s)
2622 void cmd_msgp(char *cmdbuf)
2624 if (!strcasecmp(cmdbuf, "dont_decode")) {
2625 CC->msg4_dont_decode = 1;
2626 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2629 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2630 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2636 * Open a component of a MIME message as a download file
2638 void cmd_opna(char *cmdbuf)
2641 char desired_section[128];
2643 msgid = extract_long(cmdbuf, 0);
2644 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2645 safestrncpy(CC->download_desired_section, desired_section,
2646 sizeof CC->download_desired_section);
2647 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2652 * Open a component of a MIME message and transmit it all at once
2654 void cmd_dlat(char *cmdbuf)
2657 char desired_section[128];
2659 msgid = extract_long(cmdbuf, 0);
2660 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2661 safestrncpy(CC->download_desired_section, desired_section,
2662 sizeof CC->download_desired_section);
2663 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2668 * Save one or more message pointers into a specified room
2669 * (Returns 0 for success, nonzero for failure)
2670 * roomname may be NULL to use the current room
2672 * Note that the 'supplied_msg' field may be set to NULL, in which case
2673 * the message will be fetched from disk, by number, if we need to perform
2674 * replication checks. This adds an additional database read, so if the
2675 * caller already has the message in memory then it should be supplied. (Obviously
2676 * this mode of operation only works if we're saving a single message.)
2678 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2679 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2681 struct CitContext *CCC = CC;
2683 char hold_rm[ROOMNAMELEN];
2684 struct cdbdata *cdbfr;
2687 long highest_msg = 0L;
2690 struct CtdlMessage *msg = NULL;
2692 long *msgs_to_be_merged = NULL;
2693 int num_msgs_to_be_merged = 0;
2695 MSG_syslog(LOG_DEBUG,
2696 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2697 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2700 strcpy(hold_rm, CCC->room.QRname);
2703 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2704 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2705 if (num_newmsgs > 1) supplied_msg = NULL;
2707 /* Now the regular stuff */
2708 if (CtdlGetRoomLock(&CCC->room,
2709 ((roomname != NULL) ? roomname : CCC->room.QRname) )
2711 MSG_syslog(LOG_ERR, "No such room <%s>\n", roomname);
2712 return(ERROR + ROOM_NOT_FOUND);
2716 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2717 num_msgs_to_be_merged = 0;
2720 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
2721 if (cdbfr == NULL) {
2725 msglist = (long *) cdbfr->ptr;
2726 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2727 num_msgs = cdbfr->len / sizeof(long);
2732 /* Create a list of msgid's which were supplied by the caller, but do
2733 * not already exist in the target room. It is absolutely taboo to
2734 * have more than one reference to the same message in a room.
2736 for (i=0; i<num_newmsgs; ++i) {
2738 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2739 if (msglist[j] == newmsgidlist[i]) {
2744 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2748 MSG_syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2751 * Now merge the new messages
2753 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2754 if (msglist == NULL) {
2755 MSGM_syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2756 return (ERROR + INTERNAL_ERROR);
2758 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2759 num_msgs += num_msgs_to_be_merged;
2761 /* Sort the message list, so all the msgid's are in order */
2762 num_msgs = sort_msglist(msglist, num_msgs);
2764 /* Determine the highest message number */
2765 highest_msg = msglist[num_msgs - 1];
2767 /* Write it back to disk. */
2768 cdb_store(CDB_MSGLISTS, &CCC->room.QRnumber, (int)sizeof(long),
2769 msglist, (int)(num_msgs * sizeof(long)));
2771 /* Free up the memory we used. */
2774 /* Update the highest-message pointer and unlock the room. */
2775 CCC->room.QRhighest = highest_msg;
2776 CtdlPutRoomLock(&CCC->room);
2778 /* Perform replication checks if necessary */
2779 if ( (DoesThisRoomNeedEuidIndexing(&CCC->room)) && (do_repl_check) ) {
2780 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2782 for (i=0; i<num_msgs_to_be_merged; ++i) {
2783 msgid = msgs_to_be_merged[i];
2785 if (supplied_msg != NULL) {
2789 msg = CtdlFetchMessage(msgid, 0);
2793 ReplicationChecks(msg);
2795 /* If the message has an Exclusive ID, index that... */
2796 if (msg->cm_fields['E'] != NULL) {
2797 index_message_by_euid(msg->cm_fields['E'], &CCC->room, msgid);
2800 /* Free up the memory we may have allocated */
2801 if (msg != supplied_msg) {
2802 CtdlFreeMessage(msg);
2810 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2813 /* Submit this room for processing by hooks */
2814 PerformRoomHooks(&CCC->room);
2816 /* Go back to the room we were in before we wandered here... */
2817 CtdlGetRoom(&CCC->room, hold_rm);
2819 /* Bump the reference count for all messages which were merged */
2820 if (!suppress_refcount_adj) {
2821 AdjRefCountList(msgs_to_be_merged, num_msgs_to_be_merged, +1);
2824 /* Free up memory... */
2825 if (msgs_to_be_merged != NULL) {
2826 free(msgs_to_be_merged);
2829 /* Return success. */
2835 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2838 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2839 int do_repl_check, struct CtdlMessage *supplied_msg)
2841 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2848 * Message base operation to save a new message to the message store
2849 * (returns new message number)
2851 * This is the back end for CtdlSubmitMsg() and should not be directly
2852 * called by server-side modules.
2855 long send_message(struct CtdlMessage *msg) {
2856 struct CitContext *CCC = CC;
2864 /* Get a new message number */
2865 newmsgid = get_new_message_number();
2866 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2867 (long unsigned int) time(NULL),
2868 (long unsigned int) newmsgid,
2872 /* Generate an ID if we don't have one already */
2873 if (msg->cm_fields['I']==NULL) {
2874 msg->cm_fields['I'] = strdup(msgidbuf);
2877 /* If the message is big, set its body aside for storage elsewhere */
2878 if (msg->cm_fields['M'] != NULL) {
2879 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2881 holdM = msg->cm_fields['M'];
2882 msg->cm_fields['M'] = NULL;
2886 /* Serialize our data structure for storage in the database */
2887 serialize_message(&smr, msg);
2890 msg->cm_fields['M'] = holdM;
2894 cprintf("%d Unable to serialize message\n",
2895 ERROR + INTERNAL_ERROR);
2899 /* Write our little bundle of joy into the message base */
2900 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2901 smr.ser, smr.len) < 0) {
2902 MSGM_syslog(LOG_ERR, "Can't store message\n");
2906 cdb_store(CDB_BIGMSGS,
2916 /* Free the memory we used for the serialized message */
2919 /* Return the *local* message ID to the caller
2920 * (even if we're storing an incoming network message)
2928 * Serialize a struct CtdlMessage into the format used on disk and network.
2930 * This function loads up a "struct ser_ret" (defined in server.h) which
2931 * contains the length of the serialized message and a pointer to the
2932 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2934 void serialize_message(struct ser_ret *ret, /* return values */
2935 struct CtdlMessage *msg) /* unserialized msg */
2937 struct CitContext *CCC = CC;
2938 size_t wlen, fieldlen;
2940 static char *forder = FORDER;
2943 * Check for valid message format
2945 if (is_valid_message(msg) == 0) {
2946 MSGM_syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2953 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2954 ret->len = ret->len +
2955 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2957 ret->ser = malloc(ret->len);
2958 if (ret->ser == NULL) {
2959 MSG_syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2960 (long)ret->len, strerror(errno));
2967 ret->ser[1] = msg->cm_anon_type;
2968 ret->ser[2] = msg->cm_format_type;
2971 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2972 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2973 ret->ser[wlen++] = (char)forder[i];
2974 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2975 wlen = wlen + fieldlen + 1;
2977 if (ret->len != wlen) {
2978 MSG_syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2979 (long)ret->len, (long)wlen);
2987 * Serialize a struct CtdlMessage into the format used on disk and network.
2989 * This function loads up a "struct ser_ret" (defined in server.h) which
2990 * contains the length of the serialized message and a pointer to the
2991 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2993 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2994 long Siz) /* how many chars ? */
2997 static char *forder = FORDER;
3001 * Check for valid message format
3003 if (is_valid_message(msg) == 0) {
3004 struct CitContext *CCC = CC;
3005 MSGM_syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
3009 buf = (char*) malloc (Siz + 1);
3011 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
3012 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
3013 msg->cm_fields[(int)forder[i]]);
3014 if (client_write (buf, strlen(buf)) == -1)
3016 struct CitContext *CCC = CC;
3017 MSGM_syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
3028 * Check to see if any messages already exist in the current room which
3029 * carry the same Exclusive ID as this one. If any are found, delete them.
3031 void ReplicationChecks(struct CtdlMessage *msg) {
3032 struct CitContext *CCC = CC;
3033 long old_msgnum = (-1L);
3035 if (DoesThisRoomNeedEuidIndexing(&CCC->room) == 0) return;
3037 MSG_syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
3040 /* No exclusive id? Don't do anything. */
3041 if (msg == NULL) return;
3042 if (msg->cm_fields['E'] == NULL) return;
3043 if (IsEmptyStr(msg->cm_fields['E'])) return;
3044 /*MSG_syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
3045 msg->cm_fields['E'], CCC->room.QRname);*/
3047 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CCC->room);
3048 if (old_msgnum > 0L) {
3049 MSG_syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
3050 CtdlDeleteMessages(CCC->room.QRname, &old_msgnum, 1, "");
3057 * Save a message to disk and submit it into the delivery system.
3059 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3060 struct recptypes *recps, /* recipients (if mail) */
3061 const char *force, /* force a particular room? */
3062 int flags /* should the message be exported clean? */
3065 char submit_filename[128];
3066 char generated_timestamp[32];
3067 char hold_rm[ROOMNAMELEN];
3068 char actual_rm[ROOMNAMELEN];
3069 char force_room[ROOMNAMELEN];
3070 char content_type[SIZ]; /* We have to learn this */
3071 char recipient[SIZ];
3074 const char *mptr = NULL;
3075 struct ctdluser userbuf;
3077 struct MetaData smi;
3078 FILE *network_fp = NULL;
3079 static int seqnum = 1;
3080 struct CtdlMessage *imsg = NULL;
3082 size_t instr_alloc = 0;
3084 char *hold_R, *hold_D;
3085 char *collected_addresses = NULL;
3086 struct addresses_to_be_filed *aptr = NULL;
3087 StrBuf *saved_rfc822_version = NULL;
3088 int qualified_for_journaling = 0;
3089 CitContext *CCC = MyContext();
3090 char bounce_to[1024] = "";
3093 MSGM_syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3094 if (is_valid_message(msg) == 0) return(-1); /* self check */
3096 /* If this message has no timestamp, we take the liberty of
3097 * giving it one, right now.
3099 if (msg->cm_fields['T'] == NULL) {
3100 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3101 msg->cm_fields['T'] = strdup(generated_timestamp);
3104 /* If this message has no path, we generate one.
3106 if (msg->cm_fields['P'] == NULL) {
3107 if (msg->cm_fields['A'] != NULL) {
3108 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3109 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3110 if (isspace(msg->cm_fields['P'][a])) {
3111 msg->cm_fields['P'][a] = ' ';
3116 msg->cm_fields['P'] = strdup("unknown");
3120 if (force == NULL) {
3121 strcpy(force_room, "");
3124 strcpy(force_room, force);
3127 /* Learn about what's inside, because it's what's inside that counts */
3128 if (msg->cm_fields['M'] == NULL) {
3129 MSGM_syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3133 switch (msg->cm_format_type) {
3135 strcpy(content_type, "text/x-citadel-variformat");
3138 strcpy(content_type, "text/plain");
3141 strcpy(content_type, "text/plain");
3142 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3145 safestrncpy(content_type, &mptr[13], sizeof content_type);
3146 striplt(content_type);
3147 aptr = content_type;
3148 while (!IsEmptyStr(aptr)) {
3160 /* Goto the correct room */
3161 room = (recps) ? CCC->room.QRname : SENTITEMS;
3162 MSG_syslog(LOG_DEBUG, "Selected room %s\n", room);
3163 strcpy(hold_rm, CCC->room.QRname);
3164 strcpy(actual_rm, CCC->room.QRname);
3165 if (recps != NULL) {
3166 strcpy(actual_rm, SENTITEMS);
3169 /* If the user is a twit, move to the twit room for posting */
3171 if (CCC->user.axlevel == AxProbU) {
3172 strcpy(hold_rm, actual_rm);
3173 strcpy(actual_rm, config.c_twitroom);
3174 MSGM_syslog(LOG_DEBUG, "Diverting to twit room\n");
3178 /* ...or if this message is destined for Aide> then go there. */
3179 if (!IsEmptyStr(force_room)) {
3180 strcpy(actual_rm, force_room);
3183 MSG_syslog(LOG_INFO, "Final selection: %s (%s)\n", actual_rm, room);
3184 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3185 /* CtdlGetRoom(&CCC->room, actual_rm); */
3186 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3190 * If this message has no O (room) field, generate one.
3192 if (msg->cm_fields['O'] == NULL) {
3193 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3196 /* Perform "before save" hooks (aborting if any return nonzero) */
3197 MSGM_syslog(LOG_DEBUG, "Performing before-save hooks\n");
3198 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3201 * If this message has an Exclusive ID, and the room is replication
3202 * checking enabled, then do replication checks.
3204 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3205 ReplicationChecks(msg);
3208 /* Save it to disk */
3209 MSGM_syslog(LOG_DEBUG, "Saving to disk\n");
3210 newmsgid = send_message(msg);
3211 if (newmsgid <= 0L) return(-5);
3213 /* Write a supplemental message info record. This doesn't have to
3214 * be a critical section because nobody else knows about this message
3217 MSGM_syslog(LOG_DEBUG, "Creating MetaData record\n");
3218 memset(&smi, 0, sizeof(struct MetaData));
3219 smi.meta_msgnum = newmsgid;
3220 smi.meta_refcount = 0;
3221 safestrncpy(smi.meta_content_type, content_type,
3222 sizeof smi.meta_content_type);
3225 * Measure how big this message will be when rendered as RFC822.
3226 * We do this for two reasons:
3227 * 1. We need the RFC822 length for the new metadata record, so the
3228 * POP and IMAP services don't have to calculate message lengths
3229 * while the user is waiting (multiplied by potentially hundreds
3230 * or thousands of messages).
3231 * 2. If journaling is enabled, we will need an RFC822 version of the
3232 * message to attach to the journalized copy.
3234 if (CCC->redirect_buffer != NULL) {
3235 MSGM_syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3238 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3239 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3240 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3241 saved_rfc822_version = CCC->redirect_buffer;
3242 CCC->redirect_buffer = NULL;
3246 /* Now figure out where to store the pointers */
3247 MSGM_syslog(LOG_DEBUG, "Storing pointers\n");
3249 /* If this is being done by the networker delivering a private
3250 * message, we want to BYPASS saving the sender's copy (because there
3251 * is no local sender; it would otherwise go to the Trashcan).
3253 if ((!CCC->internal_pgm) || (recps == NULL)) {
3254 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3255 MSGM_syslog(LOG_ERR, "ERROR saving message pointer!\n");
3256 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3260 /* For internet mail, drop a copy in the outbound queue room */
3261 if ((recps != NULL) && (recps->num_internet > 0)) {
3262 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3265 /* If other rooms are specified, drop them there too. */
3266 if ((recps != NULL) && (recps->num_room > 0))
3267 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3268 extract_token(recipient, recps->recp_room, i,
3269 '|', sizeof recipient);
3270 MSG_syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);///// xxxx
3271 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3274 /* Bump this user's messages posted counter. */
3275 MSGM_syslog(LOG_DEBUG, "Updating user\n");
3276 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3277 CCC->user.posted = CCC->user.posted + 1;
3278 CtdlPutUserLock(&CCC->user);
3280 /* Decide where bounces need to be delivered */
3281 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3282 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3284 else if (CCC->logged_in) {
3285 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3288 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3291 /* If this is private, local mail, make a copy in the
3292 * recipient's mailbox and bump the reference count.
3294 if ((recps != NULL) && (recps->num_local > 0))
3295 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3296 extract_token(recipient, recps->recp_local, i,
3297 '|', sizeof recipient);
3298 MSG_syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3300 if (CtdlGetUser(&userbuf, recipient) == 0) {
3301 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3302 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3303 CtdlBumpNewMailCounter(userbuf.usernum);
3304 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3305 /* Generate a instruction message for the Funambol notification
3306 * server, in the same style as the SMTP queue
3309 instr = malloc(instr_alloc);
3310 snprintf(instr, instr_alloc,
3311 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3313 SPOOLMIME, newmsgid, (long)time(NULL),
3317 imsg = malloc(sizeof(struct CtdlMessage));
3318 memset(imsg, 0, sizeof(struct CtdlMessage));
3319 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3320 imsg->cm_anon_type = MES_NORMAL;
3321 imsg->cm_format_type = FMT_RFC822;
3322 imsg->cm_fields['U'] = strdup("QMSG");
3323 imsg->cm_fields['A'] = strdup("Citadel");
3324 imsg->cm_fields['J'] = strdup("do not journal");
3325 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3326 imsg->cm_fields['2'] = strdup(recipient);
3327 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3328 CtdlFreeMessage(imsg);
3332 MSG_syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3333 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3337 /* Perform "after save" hooks */
3338 MSGM_syslog(LOG_DEBUG, "Performing after-save hooks\n");
3339 if (msg->cm_fields['3'] != NULL) free(msg->cm_fields['3']);
3340 msg->cm_fields['3'] = malloc(20);
3341 snprintf(msg->cm_fields['3'], 20, "%ld", newmsgid);
3342 PerformMessageHooks(msg, EVT_AFTERSAVE);
3343 free(msg->cm_fields['3']);
3344 msg->cm_fields['3'] = NULL;
3346 /* For IGnet mail, we have to save a new copy into the spooler for
3347 * each recipient, with the R and D fields set to the recipient and
3348 * destination-node. This has two ugly side effects: all other
3349 * recipients end up being unlisted in this recipient's copy of the
3350 * message, and it has to deliver multiple messages to the same
3351 * node. We'll revisit this again in a year or so when everyone has
3352 * a network spool receiver that can handle the new style messages.
3354 if ((recps != NULL) && (recps->num_ignet > 0))
3355 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3356 extract_token(recipient, recps->recp_ignet, i,
3357 '|', sizeof recipient);
3359 hold_R = msg->cm_fields['R'];
3360 hold_D = msg->cm_fields['D'];
3361 msg->cm_fields['R'] = malloc(SIZ);
3362 msg->cm_fields['D'] = malloc(128);
3363 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3364 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3366 serialize_message(&smr, msg);
3368 snprintf(submit_filename, sizeof submit_filename,
3369 "%s/netmail.%04lx.%04x.%04x",
3371 (long) getpid(), CCC->cs_pid, ++seqnum);
3372 network_fp = fopen(submit_filename, "wb+");
3373 if (network_fp != NULL) {
3374 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3376 MSG_syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n",
3384 free(msg->cm_fields['R']);
3385 free(msg->cm_fields['D']);
3386 msg->cm_fields['R'] = hold_R;
3387 msg->cm_fields['D'] = hold_D;
3390 /* Go back to the room we started from */
3391 MSG_syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3392 if (strcasecmp(hold_rm, CCC->room.QRname))
3393 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3395 /* For internet mail, generate delivery instructions.
3396 * Yes, this is recursive. Deal with it. Infinite recursion does
3397 * not happen because the delivery instructions message does not
3398 * contain a recipient.
3400 if ((recps != NULL) && (recps->num_internet > 0)) {
3401 StrBuf *SpoolMsg = NewStrBuf();
3404 MSGM_syslog(LOG_DEBUG, "Generating delivery instructions\n");
3406 StrBufPrintf(SpoolMsg,
3407 "Content-type: "SPOOLMIME"\n"
3416 if (recps->envelope_from != NULL) {
3417 StrBufAppendBufPlain(SpoolMsg, HKEY("envelope_from|"), 0);
3418 StrBufAppendBufPlain(SpoolMsg, recps->envelope_from, -1, 0);
3419 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3421 if (recps->sending_room != NULL) {
3422 StrBufAppendBufPlain(SpoolMsg, HKEY("source_room|"), 0);
3423 StrBufAppendBufPlain(SpoolMsg, recps->sending_room, -1, 0);
3424 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3427 nTokens = num_tokens(recps->recp_internet, '|');
3428 for (i = 0; i < nTokens; i++) {
3430 len = extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3432 StrBufAppendBufPlain(SpoolMsg, HKEY("remote|"), 0);
3433 StrBufAppendBufPlain(SpoolMsg, recipient, len, 0);
3434 StrBufAppendBufPlain(SpoolMsg, HKEY("|0||\n"), 0);
3438 imsg = malloc(sizeof(struct CtdlMessage));
3439 memset(imsg, 0, sizeof(struct CtdlMessage));
3440 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3441 imsg->cm_anon_type = MES_NORMAL;
3442 imsg->cm_format_type = FMT_RFC822;
3443 imsg->cm_fields['U'] = strdup("QMSG");
3444 imsg->cm_fields['A'] = strdup("Citadel");
3445 imsg->cm_fields['J'] = strdup("do not journal");
3446 imsg->cm_fields['M'] = SmashStrBuf(&SpoolMsg); /* imsg owns this memory now */
3447 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3448 CtdlFreeMessage(imsg);
3452 * Any addresses to harvest for someone's address book?
3454 if ( (CCC->logged_in) && (recps != NULL) ) {
3455 collected_addresses = harvest_collected_addresses(msg);
3458 if (collected_addresses != NULL) {
3459 aptr = (struct addresses_to_be_filed *)
3460 malloc(sizeof(struct addresses_to_be_filed));
3461 CtdlMailboxName(actual_rm, sizeof actual_rm,
3462 &CCC->user, USERCONTACTSROOM);
3463 aptr->roomname = strdup(actual_rm);
3464 aptr->collected_addresses = collected_addresses;
3465 begin_critical_section(S_ATBF);
3468 end_critical_section(S_ATBF);
3472 * Determine whether this message qualifies for journaling.
3474 if (msg->cm_fields['J'] != NULL) {
3475 qualified_for_journaling = 0;
3478 if (recps == NULL) {
3479 qualified_for_journaling = config.c_journal_pubmsgs;
3481 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3482 qualified_for_journaling = config.c_journal_email;
3485 qualified_for_journaling = config.c_journal_pubmsgs;
3490 * Do we have to perform journaling? If so, hand off the saved
3491 * RFC822 version will be handed off to the journaler for background
3492 * submit. Otherwise, we have to free the memory ourselves.
3494 if (saved_rfc822_version != NULL) {
3495 if (qualified_for_journaling) {
3496 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3499 FreeStrBuf(&saved_rfc822_version);
3509 void aide_message (char *text, char *subject)
3511 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3516 * Convenience function for generating small administrative messages.
3518 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3519 int format_type, const char *subject)
3521 struct CtdlMessage *msg;
3522 struct recptypes *recp = NULL;
3524 msg = malloc(sizeof(struct CtdlMessage));
3525 memset(msg, 0, sizeof(struct CtdlMessage));
3526 msg->cm_magic = CTDLMESSAGE_MAGIC;
3527 msg->cm_anon_type = MES_NORMAL;
3528 msg->cm_format_type = format_type;
3531 msg->cm_fields['A'] = strdup(from);
3533 else if (fromaddr != NULL) {
3534 msg->cm_fields['A'] = strdup(fromaddr);
3535 if (strchr(msg->cm_fields['A'], '@')) {
3536 *strchr(msg->cm_fields['A'], '@') = 0;
3540 msg->cm_fields['A'] = strdup("Citadel");
3543 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3544 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3545 msg->cm_fields['N'] = strdup(NODENAME);
3547 msg->cm_fields['R'] = strdup(to);
3548 recp = validate_recipients(to, NULL, 0);
3550 if (subject != NULL) {
3551 msg->cm_fields['U'] = strdup(subject);
3553 msg->cm_fields['M'] = strdup(text);
3555 CtdlSubmitMsg(msg, recp, room, 0);
3556 CtdlFreeMessage(msg);
3557 if (recp != NULL) free_recipients(recp);
3563 * Back end function used by CtdlMakeMessage() and similar functions
3565 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3567 size_t maxlen, /* maximum message length */
3568 char *exist, /* if non-null, append to it;
3569 exist is ALWAYS freed */
3570 int crlf, /* CRLF newlines instead of LF */
3571 int *sock /* socket handle or 0 for this session's client socket */
3580 LineBuf = NewStrBufPlain(NULL, SIZ);
3581 if (exist == NULL) {
3582 Message = NewStrBufPlain(NULL, 4 * SIZ);
3585 Message = NewStrBufPlain(exist, -1);
3589 /* Do we need to change leading ".." to "." for SMTP escaping? */
3590 if ((tlen == 1) && (*terminator == '.')) {
3594 /* read in the lines of message text one by one */
3597 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3602 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3604 if ((StrLength(LineBuf) == tlen) &&
3605 (!strcmp(ChrPtr(LineBuf), terminator)))
3608 if ( (!flushing) && (!finished) ) {
3610 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3613 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3616 /* Unescape SMTP-style input of two dots at the beginning of the line */
3618 (StrLength(LineBuf) == 2) &&
3619 (!strcmp(ChrPtr(LineBuf), "..")))
3621 StrBufCutLeft(LineBuf, 1);
3624 StrBufAppendBuf(Message, LineBuf, 0);
3627 /* if we've hit the max msg length, flush the rest */
3628 if (StrLength(Message) >= maxlen) flushing = 1;
3630 } while (!finished);
3631 FreeStrBuf(&LineBuf);
3635 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3639 FreeStrBuf(&(*Msg)->MsgBuf);
3645 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3647 size_t maxlen, /* maximum message length */
3648 size_t expectlen, /* if we expect a message, how long should it be? */
3649 char *exist, /* if non-null, append to it;
3650 exist is ALWAYS freed */
3651 long eLen, /* length of exist */
3652 int crlf /* CRLF newlines instead of LF */
3655 ReadAsyncMsg *NewMsg;
3657 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3658 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3660 if (exist == NULL) {
3663 if (expectlen == 0) {
3667 len = expectlen + 10;
3669 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3672 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3675 /* Do we need to change leading ".." to "." for SMTP escaping? */
3676 if ((tlen == 1) && (*terminator == '.')) {
3680 NewMsg->terminator = terminator;
3681 NewMsg->tlen = tlen;
3683 NewMsg->maxlen = maxlen;
3685 NewMsg->crlf = crlf;
3691 * Back end function used by CtdlMakeMessage() and similar functions
3693 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3695 ReadAsyncMsg *ReadMsg;
3696 int MsgFinished = 0;
3697 eReadState Finished = eMustReadMore;
3702 const char *pch = ChrPtr(IO->SendBuf.Buf);
3703 const char *pchh = IO->SendBuf.ReadWritePointer;
3709 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3710 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3711 ((CitContext*)(IO->CitContext))->ServiceName,
3714 fd = fopen(fn, "a+");
3717 ReadMsg = IO->ReadMsg;
3719 /* read in the lines of message text one by one */
3721 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3724 case eMustReadMore: /// read new from socket...
3726 if (IO->RecvBuf.ReadWritePointer != NULL) {
3727 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3728 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3730 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3734 fprintf(fd, "BufferEmpty! \n");
3740 case eBufferNotEmpty: /* shouldn't happen... */
3741 case eReadSuccess: /// done for now...
3743 case eReadFail: /// WHUT?
3749 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3750 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3753 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3756 else if (!ReadMsg->flushing) {
3759 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3762 /* Unescape SMTP-style input of two dots at the beginning of the line */
3763 if ((ReadMsg->dodot) &&
3764 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3765 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3768 fprintf(fd, "UnEscaped!\n");
3770 StrBufCutLeft(IO->IOBuf, 1);
3773 if (ReadMsg->crlf) {
3774 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3777 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3780 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3783 /* if we've hit the max msg length, flush the rest */
3784 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3786 } while (!MsgFinished);
3789 fprintf(fd, "Done with reading; %s.\n, ",
3790 (MsgFinished)?"Message Finished": "FAILED");
3794 return eReadSuccess;
3801 * Back end function used by CtdlMakeMessage() and similar functions
3803 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3805 size_t maxlen, /* maximum message length */
3806 char *exist, /* if non-null, append to it;
3807 exist is ALWAYS freed */
3808 int crlf, /* CRLF newlines instead of LF */
3809 int *sock /* socket handle or 0 for this session's client socket */
3814 Message = CtdlReadMessageBodyBuf(terminator,
3820 if (Message == NULL)
3823 return SmashStrBuf(&Message);
3828 * Build a binary message to be saved on disk.
3829 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3830 * will become part of the message. This means you are no longer
3831 * responsible for managing that memory -- it will be freed along with
3832 * the rest of the fields when CtdlFreeMessage() is called.)
3835 struct CtdlMessage *CtdlMakeMessage(
3836 struct ctdluser *author, /* author's user structure */
3837 char *recipient, /* NULL if it's not mail */
3838 char *recp_cc, /* NULL if it's not mail */
3839 char *room, /* room where it's going */
3840 int type, /* see MES_ types in header file */
3841 int format_type, /* variformat, plain text, MIME... */
3842 char *fake_name, /* who we're masquerading as */
3843 char *my_email, /* which of my email addresses to use (empty is ok) */
3844 char *subject, /* Subject (optional) */
3845 char *supplied_euid, /* ...or NULL if this is irrelevant */
3846 char *preformatted_text, /* ...or NULL to read text from client */
3847 char *references /* Thread references */
3849 char dest_node[256];
3851 struct CtdlMessage *msg;
3853 StrBuf *FakeEncAuthor = NULL;
3855 msg = malloc(sizeof(struct CtdlMessage));
3856 memset(msg, 0, sizeof(struct CtdlMessage));
3857 msg->cm_magic = CTDLMESSAGE_MAGIC;
3858 msg->cm_anon_type = type;
3859 msg->cm_format_type = format_type;
3861 /* Don't confuse the poor folks if it's not routed mail. */
3862 strcpy(dest_node, "");
3864 if (recipient != NULL) striplt(recipient);
3865 if (recp_cc != NULL) striplt(recp_cc);
3867 /* Path or Return-Path */
3868 if (my_email == NULL) my_email = "";
3870 if (!IsEmptyStr(my_email)) {
3871 msg->cm_fields['P'] = strdup(my_email);
3874 snprintf(buf, sizeof buf, "%s", author->fullname);
3875 msg->cm_fields['P'] = strdup(buf);
3877 convert_spaces_to_underscores(msg->cm_fields['P']);
3879 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3880 msg->cm_fields['T'] = strdup(buf);
3882 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3883 FakeAuthor = NewStrBufPlain (fake_name, -1);
3886 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3888 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3889 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3890 FreeStrBuf(&FakeAuthor);
3892 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3893 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3896 msg->cm_fields['O'] = strdup(CC->room.QRname);
3899 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3900 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3902 if ((recipient != NULL) && (recipient[0] != 0)) {
3903 msg->cm_fields['R'] = strdup(recipient);
3905 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3906 msg->cm_fields['Y'] = strdup(recp_cc);
3908 if (dest_node[0] != 0) {
3909 msg->cm_fields['D'] = strdup(dest_node);
3912 if (!IsEmptyStr(my_email)) {
3913 msg->cm_fields['F'] = strdup(my_email);
3915 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3916 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3919 if (subject != NULL) {
3922 length = strlen(subject);
3928 while ((subject[i] != '\0') &&
3929 (IsAscii = isascii(subject[i]) != 0 ))
3932 msg->cm_fields['U'] = strdup(subject);
3933 else /* ok, we've got utf8 in the string. */
3935 msg->cm_fields['U'] = rfc2047encode(subject, length);
3941 if (supplied_euid != NULL) {
3942 msg->cm_fields['E'] = strdup(supplied_euid);
3945 if ((references != NULL) && (!IsEmptyStr(references))) {
3946 if (msg->cm_fields['W'] != NULL)
3947 free(msg->cm_fields['W']);
3948 msg->cm_fields['W'] = strdup(references);
3951 if (preformatted_text != NULL) {
3952 msg->cm_fields['M'] = preformatted_text;
3955 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3961 extern int netconfig_check_roomaccess(
3964 const char* RemoteIdentifier); /* TODO: find a smarter way */
3967 * Check to see whether we have permission to post a message in the current
3968 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3969 * returns 0 on success.
3971 int CtdlDoIHavePermissionToPostInThisRoom(
3974 const char* RemoteIdentifier,
3980 if (!(CC->logged_in) &&
3981 (PostPublic == POST_LOGGED_IN)) {
3982 snprintf(errmsgbuf, n, "Not logged in.");
3983 return (ERROR + NOT_LOGGED_IN);
3985 else if (PostPublic == CHECK_EXISTANCE) {
3986 return (0); // We're Evaling whether a recipient exists
3988 else if (!(CC->logged_in)) {
3990 if ((CC->room.QRflags & QR_READONLY)) {
3991 snprintf(errmsgbuf, n, "Not logged in.");
3992 return (ERROR + NOT_LOGGED_IN);
3994 if (CC->room.QRflags2 & QR2_MODERATED) {
3995 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3996 return (ERROR + NOT_LOGGED_IN);
3998 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
4000 return netconfig_check_roomaccess(errmsgbuf, n, RemoteIdentifier);
4006 if ((CC->user.axlevel < AxProbU)
4007 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
4008 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
4009 return (ERROR + HIGHER_ACCESS_REQUIRED);
4012 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4014 if (ra & UA_POSTALLOWED) {
4015 strcpy(errmsgbuf, "OK to post or reply here");
4019 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
4021 * To be thorough, we ought to check to see if the message they are
4022 * replying to is actually a valid one in this room, but unless this
4023 * actually becomes a problem we'll go with high performance instead.
4025 strcpy(errmsgbuf, "OK to reply here");
4029 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
4030 /* Clarify what happened with a better error message */
4031 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
4032 return (ERROR + HIGHER_ACCESS_REQUIRED);
4035 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
4036 return (ERROR + HIGHER_ACCESS_REQUIRED);
4042 * Check to see if the specified user has Internet mail permission
4043 * (returns nonzero if permission is granted)
4045 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
4047 /* Do not allow twits to send Internet mail */
4048 if (who->axlevel <= AxProbU) return(0);
4050 /* Globally enabled? */
4051 if (config.c_restrict == 0) return(1);
4053 /* User flagged ok? */
4054 if (who->flags & US_INTERNET) return(2);
4056 /* Aide level access? */
4057 if (who->axlevel >= AxAideU) return(3);
4059 /* No mail for you! */
4065 * Validate recipients, count delivery types and errors, and handle aliasing
4066 * FIXME check for dupes!!!!!
4068 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4069 * were specified, or the number of addresses found invalid.
4071 * Caller needs to free the result using free_recipients()
4073 struct recptypes *validate_recipients(const char *supplied_recipients,
4074 const char *RemoteIdentifier,
4076 struct CitContext *CCC = CC;
4077 struct recptypes *ret;
4078 char *recipients = NULL;
4080 char this_recp[256];
4081 char this_recp_cooked[256];
4088 struct ctdluser tempUS;
4089 struct ctdlroom tempQR;
4090 struct ctdlroom tempQR2;
4096 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4097 if (ret == NULL) return(NULL);
4099 /* Set all strings to null and numeric values to zero */
4100 memset(ret, 0, sizeof(struct recptypes));
4102 if (supplied_recipients == NULL) {
4103 recipients = strdup("");
4106 recipients = strdup(supplied_recipients);
4109 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4110 * actually need, but it's healthier for the heap than doing lots of tiny
4111 * realloc() calls instead.
4113 len = strlen(recipients) + 1024;
4114 ret->errormsg = malloc(len);
4115 ret->recp_local = malloc(len);
4116 ret->recp_internet = malloc(len);
4117 ret->recp_ignet = malloc(len);
4118 ret->recp_room = malloc(len);
4119 ret->display_recp = malloc(len);
4120 ret->recp_orgroom = malloc(len);
4121 org_recp = malloc(len);
4123 ret->errormsg[0] = 0;
4124 ret->recp_local[0] = 0;
4125 ret->recp_internet[0] = 0;
4126 ret->recp_ignet[0] = 0;
4127 ret->recp_room[0] = 0;
4128 ret->recp_orgroom[0] = 0;
4129 ret->display_recp[0] = 0;
4131 ret->recptypes_magic = RECPTYPES_MAGIC;
4133 /* Change all valid separator characters to commas */
4134 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4135 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4136 recipients[i] = ',';
4140 /* Now start extracting recipients... */
4142 while (!IsEmptyStr(recipients)) {
4143 for (i=0; i<=strlen(recipients); ++i) {
4144 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4145 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4146 safestrncpy(this_recp, recipients, i+1);
4148 if (recipients[i] == ',') {
4149 strcpy(recipients, &recipients[i+1]);
4152 strcpy(recipients, "");
4159 if (IsEmptyStr(this_recp))
4161 MSG_syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4164 strcpy(org_recp, this_recp);
4167 mailtype = alias(this_recp);
4169 for (j = 0; !IsEmptyStr(&this_recp[j]); ++j) {
4170 if (this_recp[j]=='_') {
4171 this_recp_cooked[j] = ' ';
4174 this_recp_cooked[j] = this_recp[j];
4177 this_recp_cooked[j] = '\0';
4182 if (!strcasecmp(this_recp, "sysop")) {
4184 strcpy(this_recp, config.c_aideroom);
4185 if (!IsEmptyStr(ret->recp_room)) {
4186 strcat(ret->recp_room, "|");
4188 strcat(ret->recp_room, this_recp);
4190 else if ( (!strncasecmp(this_recp, "room_", 5))
4191 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4193 /* Save room so we can restore it later */
4194 tempQR2 = CCC->room;
4197 /* Check permissions to send mail to this room */
4198 err = CtdlDoIHavePermissionToPostInThisRoom(
4203 0 /* 0 = not a reply */
4212 if (!IsEmptyStr(ret->recp_room)) {
4213 strcat(ret->recp_room, "|");
4215 strcat(ret->recp_room, &this_recp_cooked[5]);
4217 if (!IsEmptyStr(ret->recp_orgroom)) {
4218 strcat(ret->recp_orgroom, "|");
4220 strcat(ret->recp_orgroom, org_recp);
4224 /* Restore room in case something needs it */
4225 CCC->room = tempQR2;
4228 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4230 strcpy(this_recp, tempUS.fullname);
4231 if (!IsEmptyStr(ret->recp_local)) {
4232 strcat(ret->recp_local, "|");
4234 strcat(ret->recp_local, this_recp);
4236 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4238 strcpy(this_recp, tempUS.fullname);
4239 if (!IsEmptyStr(ret->recp_local)) {
4240 strcat(ret->recp_local, "|");
4242 strcat(ret->recp_local, this_recp);
4250 /* Yes, you're reading this correctly: if the target
4251 * domain points back to the local system or an attached
4252 * Citadel directory, the address is invalid. That's
4253 * because if the address were valid, we would have
4254 * already translated it to a local address by now.
4256 if (IsDirectory(this_recp, 0)) {
4261 ++ret->num_internet;
4262 if (!IsEmptyStr(ret->recp_internet)) {
4263 strcat(ret->recp_internet, "|");
4265 strcat(ret->recp_internet, this_recp);
4270 if (!IsEmptyStr(ret->recp_ignet)) {
4271 strcat(ret->recp_ignet, "|");
4273 strcat(ret->recp_ignet, this_recp);
4281 if (IsEmptyStr(errmsg)) {
4282 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4285 snprintf(append, sizeof append, "%s", errmsg);
4287 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4288 if (!IsEmptyStr(ret->errormsg)) {
4289 strcat(ret->errormsg, "; ");
4291 strcat(ret->errormsg, append);
4295 if (IsEmptyStr(ret->display_recp)) {
4296 strcpy(append, this_recp);
4299 snprintf(append, sizeof append, ", %s", this_recp);
4301 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4302 strcat(ret->display_recp, append);
4308 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4309 ret->num_room + ret->num_error) == 0) {
4310 ret->num_error = (-1);
4311 strcpy(ret->errormsg, "No recipients specified.");
4314 MSGM_syslog(LOG_DEBUG, "validate_recipients()\n");
4315 MSG_syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4316 MSG_syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4317 MSG_syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4318 MSG_syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4319 MSG_syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4327 * Destructor for struct recptypes
4329 void free_recipients(struct recptypes *valid) {
4331 if (valid == NULL) {
4335 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4336 struct CitContext *CCC = CC;
4337 MSGM_syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4341 if (valid->errormsg != NULL) free(valid->errormsg);
4342 if (valid->recp_local != NULL) free(valid->recp_local);
4343 if (valid->recp_internet != NULL) free(valid->recp_internet);
4344 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4345 if (valid->recp_room != NULL) free(valid->recp_room);
4346 if (valid->recp_orgroom != NULL) free(valid->recp_orgroom);
4347 if (valid->display_recp != NULL) free(valid->display_recp);
4348 if (valid->bounce_to != NULL) free(valid->bounce_to);
4349 if (valid->envelope_from != NULL) free(valid->envelope_from);
4350 if (valid->sending_room != NULL) free(valid->sending_room);
4357 * message entry - mode 0 (normal)
4359 void cmd_ent0(char *entargs)
4361 struct CitContext *CCC = CC;
4366 char supplied_euid[128];
4368 int format_type = 0;
4369 char newusername[256];
4370 char newuseremail[256];
4371 struct CtdlMessage *msg;
4375 struct recptypes *valid = NULL;
4376 struct recptypes *valid_to = NULL;
4377 struct recptypes *valid_cc = NULL;
4378 struct recptypes *valid_bcc = NULL;
4380 int subject_required = 0;
4385 int newuseremail_ok = 0;
4386 char references[SIZ];
4391 post = extract_int(entargs, 0);
4392 extract_token(recp, entargs, 1, '|', sizeof recp);
4393 anon_flag = extract_int(entargs, 2);
4394 format_type = extract_int(entargs, 3);
4395 extract_token(subject, entargs, 4, '|', sizeof subject);
4396 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4397 do_confirm = extract_int(entargs, 6);
4398 extract_token(cc, entargs, 7, '|', sizeof cc);
4399 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4400 switch(CC->room.QRdefaultview) {
4403 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4406 supplied_euid[0] = 0;
4409 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4410 extract_token(references, entargs, 11, '|', sizeof references);
4411 for (ptr=references; *ptr != 0; ++ptr) {
4412 if (*ptr == '!') *ptr = '|';
4415 /* first check to make sure the request is valid. */
4417 err = CtdlDoIHavePermissionToPostInThisRoom(
4422 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4426 cprintf("%d %s\n", err, errmsg);
4430 /* Check some other permission type things. */
4432 if (IsEmptyStr(newusername)) {
4433 strcpy(newusername, CCC->user.fullname);
4435 if ( (CCC->user.axlevel < AxAideU)
4436 && (strcasecmp(newusername, CCC->user.fullname))
4437 && (strcasecmp(newusername, CCC->cs_inet_fn))
4439 cprintf("%d You don't have permission to author messages as '%s'.\n",
4440 ERROR + HIGHER_ACCESS_REQUIRED,
4447 if (IsEmptyStr(newuseremail)) {
4448 newuseremail_ok = 1;
4451 if (!IsEmptyStr(newuseremail)) {
4452 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4453 newuseremail_ok = 1;
4455 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4456 j = num_tokens(CCC->cs_inet_other_emails, '|');
4457 for (i=0; i<j; ++i) {
4458 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4459 if (!strcasecmp(newuseremail, buf)) {
4460 newuseremail_ok = 1;
4466 if (!newuseremail_ok) {
4467 cprintf("%d You don't have permission to author messages as '%s'.\n",
4468 ERROR + HIGHER_ACCESS_REQUIRED,
4474 CCC->cs_flags |= CS_POSTING;
4476 /* In mailbox rooms we have to behave a little differently --
4477 * make sure the user has specified at least one recipient. Then
4478 * validate the recipient(s). We do this for the Mail> room, as
4479 * well as any room which has the "Mailbox" view set - unless it
4480 * is the DRAFTS room which does not require recipients
4483 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4484 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4485 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4486 if (CCC->user.axlevel < AxProbU) {
4487 strcpy(recp, "sysop");
4492 valid_to = validate_recipients(recp, NULL, 0);
4493 if (valid_to->num_error > 0) {
4494 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4495 free_recipients(valid_to);
4499 valid_cc = validate_recipients(cc, NULL, 0);
4500 if (valid_cc->num_error > 0) {
4501 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4502 free_recipients(valid_to);
4503 free_recipients(valid_cc);
4507 valid_bcc = validate_recipients(bcc, NULL, 0);
4508 if (valid_bcc->num_error > 0) {
4509 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4510 free_recipients(valid_to);
4511 free_recipients(valid_cc);
4512 free_recipients(valid_bcc);
4516 /* Recipient required, but none were specified */
4517 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4518 free_recipients(valid_to);
4519 free_recipients(valid_cc);
4520 free_recipients(valid_bcc);
4521 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4525 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4526 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4527 cprintf("%d You do not have permission "
4528 "to send Internet mail.\n",
4529 ERROR + HIGHER_ACCESS_REQUIRED);
4530 free_recipients(valid_to);
4531 free_recipients(valid_cc);
4532 free_recipients(valid_bcc);
4537 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)
4538 && (CCC->user.axlevel < AxNetU) ) {
4539 cprintf("%d Higher access required for network mail.\n",
4540 ERROR + HIGHER_ACCESS_REQUIRED);
4541 free_recipients(valid_to);
4542 free_recipients(valid_cc);
4543 free_recipients(valid_bcc);
4547 if ((RESTRICT_INTERNET == 1)
4548 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4549 && ((CCC->user.flags & US_INTERNET) == 0)
4550 && (!CCC->internal_pgm)) {
4551 cprintf("%d You don't have access to Internet mail.\n",
4552 ERROR + HIGHER_ACCESS_REQUIRED);
4553 free_recipients(valid_to);
4554 free_recipients(valid_cc);
4555 free_recipients(valid_bcc);
4561 /* Is this a room which has anonymous-only or anonymous-option? */
4562 anonymous = MES_NORMAL;
4563 if (CCC->room.QRflags & QR_ANONONLY) {
4564 anonymous = MES_ANONONLY;
4566 if (CCC->room.QRflags & QR_ANONOPT) {
4567 if (anon_flag == 1) { /* only if the user requested it */
4568 anonymous = MES_ANONOPT;
4572 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4576 /* Recommend to the client that the use of a message subject is
4577 * strongly recommended in this room, if either the SUBJECTREQ flag
4578 * is set, or if there is one or more Internet email recipients.
4580 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4581 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4582 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4583 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4585 /* If we're only checking the validity of the request, return
4586 * success without creating the message.
4589 cprintf("%d %s|%d\n", CIT_OK,
4590 ((valid_to != NULL) ? valid_to->display_recp : ""),
4592 free_recipients(valid_to);
4593 free_recipients(valid_cc);
4594 free_recipients(valid_bcc);
4598 /* We don't need these anymore because we'll do it differently below */
4599 free_recipients(valid_to);
4600 free_recipients(valid_cc);
4601 free_recipients(valid_bcc);
4603 /* Read in the message from the client. */
4605 cprintf("%d send message\n", START_CHAT_MODE);
4607 cprintf("%d send message\n", SEND_LISTING);
4610 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4611 CCC->room.QRname, anonymous, format_type,
4612 newusername, newuseremail, subject,
4613 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4616 /* Put together one big recipients struct containing to/cc/bcc all in
4617 * one. This is for the envelope.
4619 char *all_recps = malloc(SIZ * 3);
4620 strcpy(all_recps, recp);
4621 if (!IsEmptyStr(cc)) {
4622 if (!IsEmptyStr(all_recps)) {
4623 strcat(all_recps, ",");
4625 strcat(all_recps, cc);
4627 if (!IsEmptyStr(bcc)) {
4628 if (!IsEmptyStr(all_recps)) {
4629 strcat(all_recps, ",");
4631 strcat(all_recps, bcc);
4633 if (!IsEmptyStr(all_recps)) {
4634 valid = validate_recipients(all_recps, NULL, 0);
4641 if ((valid != NULL) && (valid->num_room == 1))
4643 /* posting into an ML room? set the envelope from
4644 * to the actual mail address so others get a valid
4647 msg->cm_fields['V'] = strdup(valid->recp_orgroom);
4651 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4653 cprintf("%ld\n", msgnum);
4655 if (StrLength(CCC->StatusMessage) > 0) {
4656 cprintf("%s\n", ChrPtr(CCC->StatusMessage));
4658 else if (msgnum >= 0L) {
4659 client_write(HKEY("Message accepted.\n"));
4662 client_write(HKEY("Internal error.\n"));
4665 if (msg->cm_fields['E'] != NULL) {
4666 cprintf("%s\n", msg->cm_fields['E']);
4673 CtdlFreeMessage(msg);
4675 if (valid != NULL) {
4676 free_recipients(valid);
4684 * API function to delete messages which match a set of criteria
4685 * (returns the actual number of messages deleted)
4687 int CtdlDeleteMessages(char *room_name, /* which room */
4688 long *dmsgnums, /* array of msg numbers to be deleted */
4689 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4690 char *content_type /* or "" for any. regular expressions expected. */
4693 struct CitContext *CCC = CC;
4694 struct ctdlroom qrbuf;
4695 struct cdbdata *cdbfr;
4696 long *msglist = NULL;
4697 long *dellist = NULL;
4700 int num_deleted = 0;
4702 struct MetaData smi;
4705 int need_to_free_re = 0;
4707 if (content_type) if (!IsEmptyStr(content_type)) {
4708 regcomp(&re, content_type, 0);
4709 need_to_free_re = 1;
4711 MSG_syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4712 room_name, num_dmsgnums, content_type);
4714 /* get room record, obtaining a lock... */
4715 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4716 MSG_syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4718 if (need_to_free_re) regfree(&re);
4719 return (0); /* room not found */
4721 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4723 if (cdbfr != NULL) {
4724 dellist = malloc(cdbfr->len);
4725 msglist = (long *) cdbfr->ptr;
4726 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4727 num_msgs = cdbfr->len / sizeof(long);
4731 int have_contenttype = !IsEmptyStr(content_type);
4732 int have_delmsgs = (num_dmsgnums == 0) || (dmsgnums == NULL);
4733 int have_more_del = 1;
4735 num_msgs = sort_msglist(msglist, num_msgs);
4736 if (num_dmsgnums > 1)
4737 num_dmsgnums = sort_msglist(dmsgnums, num_dmsgnums);
4740 StrBuf *dbg = NewStrBuf();
4741 for (i = 0; i < num_dmsgnums; i++)
4742 StrBufAppendPrintf(dbg, ", %ld", dmsgnums[i]);
4743 MSG_syslog(LOG_DEBUG, "Deleting before: %s", ChrPtr(dbg));
4748 while ((i < num_msgs) && (have_more_del)) {
4752 /* Set/clear a bit for each criterion */
4754 /* 0 messages in the list or a null list means that we are
4755 * interested in deleting any messages which meet the other criteria.
4758 delete_this |= 0x01;
4761 while ((i < num_msgs) && (msglist[i] < dmsgnums[j])) i++;
4762 if (msglist[i] == dmsgnums[j]) {
4763 delete_this |= 0x01;
4766 have_more_del = (j < num_dmsgnums);
4769 if (have_contenttype) {
4770 GetMetaData(&smi, msglist[i]);
4771 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4772 delete_this |= 0x02;
4775 delete_this |= 0x02;
4778 /* Delete message only if all bits are set */
4779 if (delete_this == 0x03) {
4780 dellist[num_deleted++] = msglist[i];
4787 StrBuf *dbg = NewStrBuf();
4788 for (i = 0; i < num_deleted; i++)
4789 StrBufAppendPrintf(dbg, ", %ld", dellist[i]);
4790 MSG_syslog(LOG_DEBUG, "Deleting: %s", ChrPtr(dbg));
4794 num_msgs = sort_msglist(msglist, num_msgs);
4795 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4796 msglist, (int)(num_msgs * sizeof(long)));
4799 qrbuf.QRhighest = msglist[num_msgs - 1];
4801 qrbuf.QRhighest = 0;
4803 CtdlPutRoomLock(&qrbuf);
4805 /* Go through the messages we pulled out of the index, and decrement
4806 * their reference counts by 1. If this is the only room the message
4807 * was in, the reference count will reach zero and the message will
4808 * automatically be deleted from the database. We do this in a
4809 * separate pass because there might be plug-in hooks getting called,
4810 * and we don't want that happening during an S_ROOMS critical
4814 for (i=0; i<num_deleted; ++i) {
4815 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4817 AdjRefCountList(dellist, num_deleted, -1);
4819 /* Now free the memory we used, and go away. */
4820 if (msglist != NULL) free(msglist);
4821 if (dellist != NULL) free(dellist);
4822 MSG_syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4823 if (need_to_free_re) regfree(&re);
4824 return (num_deleted);
4830 * Check whether the current user has permission to delete messages from
4831 * the current room (returns 1 for yes, 0 for no)
4833 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4835 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4836 if (ra & UA_DELETEALLOWED) return(1);
4844 * Delete message from current room
4846 void cmd_dele(char *args)
4855 extract_token(msgset, args, 0, '|', sizeof msgset);
4856 num_msgs = num_tokens(msgset, ',');
4858 cprintf("%d Nothing to do.\n", CIT_OK);
4862 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4863 cprintf("%d Higher access required.\n",
4864 ERROR + HIGHER_ACCESS_REQUIRED);
4869 * Build our message set to be moved/copied
4871 msgs = malloc(num_msgs * sizeof(long));
4872 for (i=0; i<num_msgs; ++i) {
4873 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4874 msgs[i] = atol(msgtok);
4877 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4881 cprintf("%d %d message%s deleted.\n", CIT_OK,
4882 num_deleted, ((num_deleted != 1) ? "s" : ""));
4884 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4892 * move or copy a message to another room
4894 void cmd_move(char *args)
4901 char targ[ROOMNAMELEN];
4902 struct ctdlroom qtemp;
4909 extract_token(msgset, args, 0, '|', sizeof msgset);
4910 num_msgs = num_tokens(msgset, ',');
4912 cprintf("%d Nothing to do.\n", CIT_OK);
4916 extract_token(targ, args, 1, '|', sizeof targ);
4917 convert_room_name_macros(targ, sizeof targ);
4918 targ[ROOMNAMELEN - 1] = 0;
4919 is_copy = extract_int(args, 2);
4921 if (CtdlGetRoom(&qtemp, targ) != 0) {
4922 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4926 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4927 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4931 CtdlGetUser(&CC->user, CC->curr_user);
4932 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4934 /* Check for permission to perform this operation.
4935 * Remember: "CC->room" is source, "qtemp" is target.
4939 /* Aides can move/copy */
4940 if (CC->user.axlevel >= AxAideU) permit = 1;
4942 /* Room aides can move/copy */
4943 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4945 /* Permit move/copy from personal rooms */
4946 if ((CC->room.QRflags & QR_MAILBOX)
4947 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4949 /* Permit only copy from public to personal room */
4951 && (!(CC->room.QRflags & QR_MAILBOX))
4952 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4954 /* Permit message removal from collaborative delete rooms */
4955 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4957 /* Users allowed to post into the target room may move into it too. */
4958 if ((CC->room.QRflags & QR_MAILBOX) &&
4959 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4961 /* User must have access to target room */
4962 if (!(ra & UA_KNOWN)) permit = 0;
4965 cprintf("%d Higher access required.\n",
4966 ERROR + HIGHER_ACCESS_REQUIRED);
4971 * Build our message set to be moved/copied
4973 msgs = malloc(num_msgs * sizeof(long));
4974 for (i=0; i<num_msgs; ++i) {
4975 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4976 msgs[i] = atol(msgtok);
4982 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4984 cprintf("%d Cannot store message(s) in %s: error %d\n",
4990 /* Now delete the message from the source room,
4991 * if this is a 'move' rather than a 'copy' operation.
4994 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4998 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
5004 * GetMetaData() - Get the supplementary record for a message
5006 void GetMetaData(struct MetaData *smibuf, long msgnum)
5009 struct cdbdata *cdbsmi;
5012 memset(smibuf, 0, sizeof(struct MetaData));
5013 smibuf->meta_msgnum = msgnum;
5014 smibuf->meta_refcount = 1; /* Default reference count is 1 */
5016 /* Use the negative of the message number for its supp record index */
5017 TheIndex = (0L - msgnum);
5019 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
5020 if (cdbsmi == NULL) {
5021 return; /* record not found; go with defaults */
5023 memcpy(smibuf, cdbsmi->ptr,
5024 ((cdbsmi->len > sizeof(struct MetaData)) ?
5025 sizeof(struct MetaData) : cdbsmi->len));
5032 * PutMetaData() - (re)write supplementary record for a message
5034 void PutMetaData(struct MetaData *smibuf)
5038 /* Use the negative of the message number for the metadata db index */
5039 TheIndex = (0L - smibuf->meta_msgnum);
5041 cdb_store(CDB_MSGMAIN,
5042 &TheIndex, (int)sizeof(long),
5043 smibuf, (int)sizeof(struct MetaData));
5048 * AdjRefCount - submit an adjustment to the reference count for a message.
5049 * (These are just queued -- we actually process them later.)
5051 void AdjRefCount(long msgnum, int incr)
5053 struct CitContext *CCC = CC;
5054 struct arcq new_arcq;
5057 MSG_syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n", msgnum, incr);
5059 begin_critical_section(S_SUPPMSGMAIN);
5060 if (arcfp == NULL) {
5061 arcfp = fopen(file_arcq, "ab+");
5062 chown(file_arcq, CTDLUID, (-1));
5063 chmod(file_arcq, 0600);
5065 end_critical_section(S_SUPPMSGMAIN);
5067 /* msgnum < 0 means that we're trying to close the file */
5069 MSGM_syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
5070 begin_critical_section(S_SUPPMSGMAIN);
5071 if (arcfp != NULL) {
5075 end_critical_section(S_SUPPMSGMAIN);
5080 * If we can't open the queue, perform the operation synchronously.
5082 if (arcfp == NULL) {
5083 TDAP_AdjRefCount(msgnum, incr);
5087 new_arcq.arcq_msgnum = msgnum;
5088 new_arcq.arcq_delta = incr;
5089 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
5091 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5100 void AdjRefCountList(long *msgnum, long nmsg, int incr)
5102 struct CitContext *CCC = CC;
5103 long i, the_size, offset;
5104 struct arcq *new_arcq;
5107 MSG_syslog(LOG_DEBUG, "AdjRefCountList() msg %ld ref count delta %+d\n", nmsg, incr);
5109 begin_critical_section(S_SUPPMSGMAIN);
5110 if (arcfp == NULL) {
5111 arcfp = fopen(file_arcq, "ab+");
5112 chown(file_arcq, CTDLUID, (-1));
5113 chmod(file_arcq, 0600);
5115 end_critical_section(S_SUPPMSGMAIN);
5118 * If we can't open the queue, perform the operation synchronously.
5120 if (arcfp == NULL) {
5121 for (i = 0; i < nmsg; i++)
5122 TDAP_AdjRefCount(msgnum[i], incr);
5126 the_size = sizeof(struct arcq) * nmsg;
5127 new_arcq = malloc(the_size);
5128 for (i = 0; i < nmsg; i++) {
5129 new_arcq[i].arcq_msgnum = msgnum[i];
5130 new_arcq[i].arcq_delta = incr;
5134 while ((rv >= 0) && (offset < the_size))
5136 rv = fwrite(new_arcq + offset, 1, the_size - offset, arcfp);
5138 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5154 * TDAP_ProcessAdjRefCountQueue()
5156 * Process the queue of message count adjustments that was created by calls
5157 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
5158 * for each one. This should be an "off hours" operation.
5160 int TDAP_ProcessAdjRefCountQueue(void)
5162 struct CitContext *CCC = CC;
5163 char file_arcq_temp[PATH_MAX];
5166 struct arcq arcq_rec;
5167 int num_records_processed = 0;
5169 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
5171 begin_critical_section(S_SUPPMSGMAIN);
5172 if (arcfp != NULL) {
5177 r = link(file_arcq, file_arcq_temp);
5179 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5180 end_critical_section(S_SUPPMSGMAIN);
5181 return(num_records_processed);
5185 end_critical_section(S_SUPPMSGMAIN);
5187 fp = fopen(file_arcq_temp, "rb");
5189 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5190 return(num_records_processed);
5193 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5194 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5195 ++num_records_processed;
5199 r = unlink(file_arcq_temp);
5201 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5204 return(num_records_processed);
5210 * TDAP_AdjRefCount - adjust the reference count for a message.
5211 * This one does it "for real" because it's called by
5212 * the autopurger function that processes the queue
5213 * created by AdjRefCount(). If a message's reference
5214 * count becomes zero, we also delete the message from
5215 * disk and de-index it.
5217 void TDAP_AdjRefCount(long msgnum, int incr)
5219 struct CitContext *CCC = CC;
5221 struct MetaData smi;
5224 /* This is a *tight* critical section; please keep it that way, as
5225 * it may get called while nested in other critical sections.
5226 * Complicating this any further will surely cause deadlock!
5228 begin_critical_section(S_SUPPMSGMAIN);
5229 GetMetaData(&smi, msgnum);
5230 smi.meta_refcount += incr;
5232 end_critical_section(S_SUPPMSGMAIN);
5233 MSG_syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5234 msgnum, incr, smi.meta_refcount
5237 /* If the reference count is now zero, delete the message
5238 * (and its supplementary record as well).
5240 if (smi.meta_refcount == 0) {
5241 MSG_syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5243 /* Call delete hooks with NULL room to show it has gone altogether */
5244 PerformDeleteHooks(NULL, msgnum);
5246 /* Remove from message base */
5248 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5249 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5251 /* Remove metadata record */
5252 delnum = (0L - msgnum);
5253 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5259 * Write a generic object to this room
5261 * Note: this could be much more efficient. Right now we use two temporary
5262 * files, and still pull the message into memory as with all others.
5264 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5265 char *content_type, /* MIME type of this object */
5266 char *raw_message, /* Data to be written */
5267 off_t raw_length, /* Size of raw_message */
5268 struct ctdluser *is_mailbox, /* Mailbox room? */
5269 int is_binary, /* Is encoding necessary? */
5270 int is_unique, /* Del others of this type? */
5271 unsigned int flags /* Internal save flags */
5274 struct CitContext *CCC = CC;
5275 struct ctdlroom qrbuf;
5276 char roomname[ROOMNAMELEN];
5277 struct CtdlMessage *msg;
5278 char *encoded_message = NULL;
5280 if (is_mailbox != NULL) {
5281 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5284 safestrncpy(roomname, req_room, sizeof(roomname));
5287 MSG_syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5290 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5293 encoded_message = malloc((size_t)(raw_length + 4096));
5296 sprintf(encoded_message, "Content-type: %s\n", content_type);
5299 sprintf(&encoded_message[strlen(encoded_message)],
5300 "Content-transfer-encoding: base64\n\n"
5304 sprintf(&encoded_message[strlen(encoded_message)],
5305 "Content-transfer-encoding: 7bit\n\n"
5311 &encoded_message[strlen(encoded_message)],
5319 &encoded_message[strlen(encoded_message)],
5325 MSGM_syslog(LOG_DEBUG, "Allocating\n");
5326 msg = malloc(sizeof(struct CtdlMessage));
5327 memset(msg, 0, sizeof(struct CtdlMessage));
5328 msg->cm_magic = CTDLMESSAGE_MAGIC;
5329 msg->cm_anon_type = MES_NORMAL;
5330 msg->cm_format_type = 4;
5331 msg->cm_fields['A'] = strdup(CCC->user.fullname);
5332 msg->cm_fields['O'] = strdup(req_room);
5333 msg->cm_fields['N'] = strdup(config.c_nodename);
5334 msg->cm_fields['H'] = strdup(config.c_humannode);
5335 msg->cm_flags = flags;
5337 msg->cm_fields['M'] = encoded_message;
5339 /* Create the requested room if we have to. */
5340 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5341 CtdlCreateRoom(roomname,
5342 ( (is_mailbox != NULL) ? 5 : 3 ),
5343 "", 0, 1, 0, VIEW_BBS);
5345 /* If the caller specified this object as unique, delete all
5346 * other objects of this type that are currently in the room.
5349 MSG_syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5350 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5353 /* Now write the data */
5354 CtdlSubmitMsg(msg, NULL, roomname, 0);
5355 CtdlFreeMessage(msg);
5363 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5364 config_msgnum = msgnum;
5368 char *CtdlGetSysConfig(char *sysconfname) {
5369 char hold_rm[ROOMNAMELEN];
5372 struct CtdlMessage *msg;
5375 strcpy(hold_rm, CC->room.QRname);
5376 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5377 CtdlGetRoom(&CC->room, hold_rm);
5382 /* We want the last (and probably only) config in this room */
5383 begin_critical_section(S_CONFIG);
5384 config_msgnum = (-1L);
5385 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5386 CtdlGetSysConfigBackend, NULL);
5387 msgnum = config_msgnum;
5388 end_critical_section(S_CONFIG);
5394 msg = CtdlFetchMessage(msgnum, 1);
5396 conf = strdup(msg->cm_fields['M']);
5397 CtdlFreeMessage(msg);
5404 CtdlGetRoom(&CC->room, hold_rm);
5406 if (conf != NULL) do {
5407 extract_token(buf, conf, 0, '\n', sizeof buf);
5408 strcpy(conf, &conf[strlen(buf)+1]);
5409 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5415 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5416 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5421 * Determine whether a given Internet address belongs to the current user
5423 int CtdlIsMe(char *addr, int addr_buf_len)
5425 struct recptypes *recp;
5428 recp = validate_recipients(addr, NULL, 0);
5429 if (recp == NULL) return(0);
5431 if (recp->num_local == 0) {
5432 free_recipients(recp);
5436 for (i=0; i<recp->num_local; ++i) {
5437 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5438 if (!strcasecmp(addr, CC->user.fullname)) {
5439 free_recipients(recp);
5444 free_recipients(recp);
5450 * Citadel protocol command to do the same
5452 void cmd_isme(char *argbuf) {
5455 if (CtdlAccessCheck(ac_logged_in)) return;
5456 extract_token(addr, argbuf, 0, '|', sizeof addr);
5458 if (CtdlIsMe(addr, sizeof addr)) {
5459 cprintf("%d %s\n", CIT_OK, addr);
5462 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5468 /*****************************************************************************/
5469 /* MODULE INITIALIZATION STUFF */
5470 /*****************************************************************************/
5471 void SetMessageDebugEnabled(const int n)
5473 MessageDebugEnabled = n;
5475 CTDL_MODULE_INIT(msgbase)
5478 CtdlRegisterDebugFlagHook(HKEY("messages"), SetMessageDebugEnabled, &MessageDebugEnabled);
5480 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5481 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5482 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5483 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5484 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5485 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5486 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5487 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5488 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5489 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5490 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5491 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5494 /* return our Subversion id for the Log */