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 = om_no_such_msg;
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?
1751 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1752 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1753 retcode = om_no_such_msg;
1758 /* Ok, output the message now */
1759 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1760 CtdlFreeMessage(TheMessage);
1766 char *qp_encode_email_addrs(char *source)
1768 struct CitContext *CCC = CC;
1769 char *user, *node, *name;
1770 const char headerStr[] = "=?UTF-8?Q?";
1774 int need_to_encode = 0;
1780 long nAddrPtrMax = 50;
1785 if (source == NULL) return source;
1786 if (IsEmptyStr(source)) return source;
1788 MSG_syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1790 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1791 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1792 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1795 while (!IsEmptyStr (&source[i])) {
1796 if (nColons >= nAddrPtrMax){
1799 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1800 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1801 free (AddrPtr), AddrPtr = ptr;
1803 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1804 memset(&ptr[nAddrPtrMax], 0,
1805 sizeof (long) * nAddrPtrMax);
1807 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1808 free (AddrUtf8), AddrUtf8 = ptr;
1811 if (((unsigned char) source[i] < 32) ||
1812 ((unsigned char) source[i] > 126)) {
1814 AddrUtf8[nColons] = 1;
1816 if (source[i] == '"')
1817 InQuotes = !InQuotes;
1818 if (!InQuotes && source[i] == ',') {
1819 AddrPtr[nColons] = i;
1824 if (need_to_encode == 0) {
1831 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1832 Encoded = (char*) malloc (EncodedMaxLen);
1834 for (i = 0; i < nColons; i++)
1835 source[AddrPtr[i]++] = '\0';
1836 /* TODO: if libidn, this might get larger*/
1837 user = malloc(SourceLen + 1);
1838 node = malloc(SourceLen + 1);
1839 name = malloc(SourceLen + 1);
1843 for (i = 0; i < nColons && nPtr != NULL; i++) {
1844 nmax = EncodedMaxLen - (nPtr - Encoded);
1846 process_rfc822_addr(&source[AddrPtr[i]],
1850 /* TODO: libIDN here ! */
1851 if (IsEmptyStr(name)) {
1852 n = snprintf(nPtr, nmax,
1853 (i==0)?"%s@%s" : ",%s@%s",
1857 EncodedName = rfc2047encode(name, strlen(name));
1858 n = snprintf(nPtr, nmax,
1859 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1860 EncodedName, user, node);
1865 n = snprintf(nPtr, nmax,
1866 (i==0)?"%s" : ",%s",
1867 &source[AddrPtr[i]]);
1873 ptr = (char*) malloc(EncodedMaxLen * 2);
1874 memcpy(ptr, Encoded, EncodedMaxLen);
1875 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1876 free(Encoded), Encoded = ptr;
1878 i--; /* do it once more with properly lengthened buffer */
1881 for (i = 0; i < nColons; i++)
1882 source[--AddrPtr[i]] = ',';
1893 /* If the last item in a list of recipients was truncated to a partial address,
1894 * remove it completely in order to avoid choking libSieve
1896 void sanitize_truncated_recipient(char *str)
1899 if (num_tokens(str, ',') < 2) return;
1901 int len = strlen(str);
1902 if (len < 900) return;
1903 if (len > 998) str[998] = 0;
1905 char *cptr = strrchr(str, ',');
1908 char *lptr = strchr(cptr, '<');
1909 char *rptr = strchr(cptr, '>');
1911 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1917 void OutputCtdlMsgHeaders(
1918 struct CtdlMessage *TheMessage,
1919 int do_proto) /* do Citadel protocol responses? */
1925 char display_name[256];
1927 /* begin header processing loop for Citadel message format */
1928 safestrncpy(display_name, "<unknown>", sizeof display_name);
1929 if (TheMessage->cm_fields['A']) {
1930 strcpy(buf, TheMessage->cm_fields['A']);
1931 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1932 safestrncpy(display_name, "****", sizeof display_name);
1934 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1935 safestrncpy(display_name, "anonymous", sizeof display_name);
1938 safestrncpy(display_name, buf, sizeof display_name);
1940 if ((is_room_aide())
1941 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1942 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1943 size_t tmp = strlen(display_name);
1944 snprintf(&display_name[tmp],
1945 sizeof display_name - tmp,
1950 /* Don't show Internet address for users on the
1951 * local Citadel network.
1954 if (TheMessage->cm_fields['N'] != NULL)
1955 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1956 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1960 /* Now spew the header fields in the order we like them. */
1961 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1962 for (i=0; i<n; ++i) {
1963 k = (int) allkeys[i];
1965 if ( (TheMessage->cm_fields[k] != NULL)
1966 && (msgkeys[k] != NULL) ) {
1967 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1968 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1971 if (do_proto) cprintf("%s=%s\n",
1975 else if ((k == 'F') && (suppress_f)) {
1978 /* Masquerade display name if needed */
1980 if (do_proto) cprintf("%s=%s\n",
1982 TheMessage->cm_fields[k]
1991 void OutputRFC822MsgHeaders(
1992 struct CtdlMessage *TheMessage,
1993 int flags, /* should the bessage be exported clean */
1995 char *mid, long sizeof_mid,
1996 char *suser, long sizeof_suser,
1997 char *luser, long sizeof_luser,
1998 char *fuser, long sizeof_fuser,
1999 char *snode, long sizeof_snode)
2001 char datestamp[100];
2002 int subject_found = 0;
2009 for (i = 0; i < 256; ++i) {
2010 if (TheMessage->cm_fields[i]) {
2011 mptr = mpptr = TheMessage->cm_fields[i];
2014 safestrncpy(luser, mptr, sizeof_luser);
2015 safestrncpy(suser, mptr, sizeof_suser);
2017 else if (i == 'Y') {
2018 if ((flags & QP_EADDR) != 0) {
2019 mptr = qp_encode_email_addrs(mptr);
2021 sanitize_truncated_recipient(mptr);
2022 cprintf("CC: %s%s", mptr, nl);
2024 else if (i == 'P') {
2025 cprintf("Return-Path: %s%s", mptr, nl);
2027 else if (i == 'L') {
2028 cprintf("List-ID: %s%s", mptr, nl);
2030 else if (i == 'V') {
2031 if ((flags & QP_EADDR) != 0)
2032 mptr = qp_encode_email_addrs(mptr);
2034 while ((*hptr != '\0') && isspace(*hptr))
2036 if (!IsEmptyStr(hptr))
2037 cprintf("Envelope-To: %s%s", hptr, nl);
2039 else if (i == 'U') {
2040 cprintf("Subject: %s%s", mptr, nl);
2044 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2046 safestrncpy(fuser, mptr, sizeof_fuser);
2047 /* else if (i == 'O')
2048 cprintf("X-Citadel-Room: %s%s",
2051 safestrncpy(snode, mptr, sizeof_snode);
2054 if (haschar(mptr, '@') == 0)
2056 sanitize_truncated_recipient(mptr);
2057 cprintf("To: %s@%s", mptr, config.c_fqdn);
2062 if ((flags & QP_EADDR) != 0) {
2063 mptr = qp_encode_email_addrs(mptr);
2065 sanitize_truncated_recipient(mptr);
2066 cprintf("To: %s", mptr);
2070 else if (i == 'T') {
2071 datestring(datestamp, sizeof datestamp,
2072 atol(mptr), DATESTRING_RFC822);
2073 cprintf("Date: %s%s", datestamp, nl);
2075 else if (i == 'W') {
2076 cprintf("References: ");
2077 k = num_tokens(mptr, '|');
2078 for (j=0; j<k; ++j) {
2079 extract_token(buf, mptr, j, '|', sizeof buf);
2080 cprintf("<%s>", buf);
2089 else if (i == 'K') {
2091 while ((*hptr != '\0') && isspace(*hptr))
2093 if (!IsEmptyStr(hptr))
2094 cprintf("Reply-To: %s%s", mptr, nl);
2100 if (subject_found == 0) {
2101 cprintf("Subject: (no subject)%s", nl);
2106 void Dump_RFC822HeadersBody(
2107 struct CtdlMessage *TheMessage,
2108 int headers_only, /* eschew the message body? */
2109 int flags, /* should the bessage be exported clean? */
2113 cit_uint8_t prev_ch;
2115 const char *StartOfText = StrBufNOTNULL;
2118 int nllen = strlen(nl);
2121 mptr = TheMessage->cm_fields['M'];
2125 while (*mptr != '\0') {
2126 if (*mptr == '\r') {
2133 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2135 eoh = *(mptr+1) == '\n';
2139 StartOfText = strchr(StartOfText, '\n');
2140 StartOfText = strchr(StartOfText, '\n');
2143 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2144 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2145 ((headers_only != HEADERS_NONE) &&
2146 (headers_only != HEADERS_ONLY))
2148 if (*mptr == '\n') {
2149 memcpy(&outbuf[outlen], nl, nllen);
2151 outbuf[outlen] = '\0';
2154 outbuf[outlen++] = *mptr;
2158 if (flags & ESC_DOT)
2160 if ((prev_ch == '\n') &&
2162 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2164 outbuf[outlen++] = '.';
2169 if (outlen > 1000) {
2170 if (client_write(outbuf, outlen) == -1)
2172 struct CitContext *CCC = CC;
2173 MSGM_syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2180 client_write(outbuf, outlen);
2187 /* If the format type on disk is 1 (fixed-format), then we want
2188 * everything to be output completely literally ... regardless of
2189 * what message transfer format is in use.
2191 void DumpFormatFixed(
2192 struct CtdlMessage *TheMessage,
2193 int mode, /* how would you like that message? */
2200 int nllen = strlen (nl);
2203 mptr = TheMessage->cm_fields['M'];
2205 if (mode == MT_MIME) {
2206 cprintf("Content-type: text/plain\n\n");
2210 while (ch = *mptr++, ch > 0) {
2214 if ((buflen > 250) && (!xlline)){
2218 while ((buflen > 0) &&
2219 (!isspace(buf[buflen])))
2225 mptr -= tbuflen - buflen;
2230 /* if we reach the outer bounds of our buffer,
2231 abort without respect what whe purge. */
2234 (buflen > SIZ - nllen - 2)))
2238 memcpy (&buf[buflen], nl, nllen);
2242 if (client_write(buf, buflen) == -1)
2244 struct CitContext *CCC = CC;
2245 MSGM_syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2257 if (!IsEmptyStr(buf))
2258 cprintf("%s%s", buf, nl);
2262 * Get a message off disk. (returns om_* values found in msgbase.h)
2264 int CtdlOutputPreLoadedMsg(
2265 struct CtdlMessage *TheMessage,
2266 int mode, /* how would you like that message? */
2267 int headers_only, /* eschew the message body? */
2268 int do_proto, /* do Citadel protocol responses? */
2269 int crlf, /* Use CRLF newlines instead of LF? */
2270 int flags /* should the bessage be exported clean? */
2272 struct CitContext *CCC = CC;
2275 const char *nl; /* newline string */
2278 /* Buffers needed for RFC822 translation. These are all filled
2279 * using functions that are bounds-checked, and therefore we can
2280 * make them substantially smaller than SIZ.
2288 MSG_syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2289 ((TheMessage == NULL) ? "NULL" : "not null"),
2290 mode, headers_only, do_proto, crlf);
2292 strcpy(mid, "unknown");
2293 nl = (crlf ? "\r\n" : "\n");
2295 if (!is_valid_message(TheMessage)) {
2296 MSGM_syslog(LOG_ERR,
2297 "ERROR: invalid preloaded message for output\n");
2299 return(om_no_such_msg);
2302 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2303 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2305 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2306 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2309 /* Are we downloading a MIME component? */
2310 if (mode == MT_DOWNLOAD) {
2311 if (TheMessage->cm_format_type != FMT_RFC822) {
2313 cprintf("%d This is not a MIME message.\n",
2314 ERROR + ILLEGAL_VALUE);
2315 } else if (CCC->download_fp != NULL) {
2316 if (do_proto) cprintf(
2317 "%d You already have a download open.\n",
2318 ERROR + RESOURCE_BUSY);
2320 /* Parse the message text component */
2321 mptr = TheMessage->cm_fields['M'];
2322 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2323 /* If there's no file open by this time, the requested
2324 * section wasn't found, so print an error
2326 if (CCC->download_fp == NULL) {
2327 if (do_proto) cprintf(
2328 "%d Section %s not found.\n",
2329 ERROR + FILE_NOT_FOUND,
2330 CCC->download_desired_section);
2333 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2336 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2337 * in a single server operation instead of opening a download file.
2339 if (mode == MT_SPEW_SECTION) {
2340 if (TheMessage->cm_format_type != FMT_RFC822) {
2342 cprintf("%d This is not a MIME message.\n",
2343 ERROR + ILLEGAL_VALUE);
2345 /* Parse the message text component */
2348 mptr = TheMessage->cm_fields['M'];
2349 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2350 /* If section wasn't found, print an error
2353 if (do_proto) cprintf(
2354 "%d Section %s not found.\n",
2355 ERROR + FILE_NOT_FOUND,
2356 CCC->download_desired_section);
2359 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2362 /* now for the user-mode message reading loops */
2363 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2365 /* Does the caller want to skip the headers? */
2366 if (headers_only == HEADERS_NONE) goto START_TEXT;
2368 /* Tell the client which format type we're using. */
2369 if ( (mode == MT_CITADEL) && (do_proto) ) {
2370 cprintf("type=%d\n", TheMessage->cm_format_type);
2373 /* nhdr=yes means that we're only displaying headers, no body */
2374 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2375 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2378 cprintf("nhdr=yes\n");
2381 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2382 OutputCtdlMsgHeaders(TheMessage, do_proto);
2385 /* begin header processing loop for RFC822 transfer format */
2389 strcpy(snode, NODENAME);
2390 if (mode == MT_RFC822)
2391 OutputRFC822MsgHeaders(
2396 suser, sizeof(suser),
2397 luser, sizeof(luser),
2398 fuser, sizeof(fuser),
2399 snode, sizeof(snode)
2403 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2404 suser[i] = tolower(suser[i]);
2405 if (!isalnum(suser[i])) suser[i]='_';
2408 if (mode == MT_RFC822) {
2409 if (!strcasecmp(snode, NODENAME)) {
2410 safestrncpy(snode, FQDN, sizeof snode);
2413 /* Construct a fun message id */
2414 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2415 if (strchr(mid, '@')==NULL) {
2416 cprintf("@%s", snode);
2420 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2421 cprintf("From: \"----\" <x@x.org>%s", nl);
2423 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2424 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2426 else if (!IsEmptyStr(fuser)) {
2427 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2430 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2433 /* Blank line signifying RFC822 end-of-headers */
2434 if (TheMessage->cm_format_type != FMT_RFC822) {
2439 /* end header processing loop ... at this point, we're in the text */
2441 if (headers_only == HEADERS_FAST) goto DONE;
2443 /* Tell the client about the MIME parts in this message */
2444 if (TheMessage->cm_format_type == FMT_RFC822) {
2445 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2446 mptr = TheMessage->cm_fields['M'];
2447 memset(&ma, 0, sizeof(struct ma_info));
2448 mime_parser(mptr, NULL,
2449 (do_proto ? *list_this_part : NULL),
2450 (do_proto ? *list_this_pref : NULL),
2451 (do_proto ? *list_this_suff : NULL),
2454 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2455 Dump_RFC822HeadersBody(
2464 if (headers_only == HEADERS_ONLY) {
2468 /* signify start of msg text */
2469 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2470 if (do_proto) cprintf("text\n");
2473 if (TheMessage->cm_format_type == FMT_FIXED)
2476 mode, /* how would you like that message? */
2479 /* If the message on disk is format 0 (Citadel vari-format), we
2480 * output using the formatter at 80 columns. This is the final output
2481 * form if the transfer format is RFC822, but if the transfer format
2482 * is Citadel proprietary, it'll still work, because the indentation
2483 * for new paragraphs is correct and the client will reformat the
2484 * message to the reader's screen width.
2486 if (TheMessage->cm_format_type == FMT_CITADEL) {
2487 mptr = TheMessage->cm_fields['M'];
2489 if (mode == MT_MIME) {
2490 cprintf("Content-type: text/x-citadel-variformat\n\n");
2495 /* If the message on disk is format 4 (MIME), we've gotta hand it
2496 * off to the MIME parser. The client has already been told that
2497 * this message is format 1 (fixed format), so the callback function
2498 * we use will display those parts as-is.
2500 if (TheMessage->cm_format_type == FMT_RFC822) {
2501 memset(&ma, 0, sizeof(struct ma_info));
2503 if (mode == MT_MIME) {
2504 ma.use_fo_hooks = 0;
2505 strcpy(ma.chosen_part, "1");
2506 ma.chosen_pref = 9999;
2507 ma.dont_decode = CCC->msg4_dont_decode;
2508 mime_parser(mptr, NULL,
2509 *choose_preferred, *fixed_output_pre,
2510 *fixed_output_post, (void *)&ma, 1);
2511 mime_parser(mptr, NULL,
2512 *output_preferred, NULL, NULL, (void *)&ma, 1);
2515 ma.use_fo_hooks = 1;
2516 mime_parser(mptr, NULL,
2517 *fixed_output, *fixed_output_pre,
2518 *fixed_output_post, (void *)&ma, 0);
2523 DONE: /* now we're done */
2524 if (do_proto) cprintf("000\n");
2530 * display a message (mode 0 - Citadel proprietary)
2532 void cmd_msg0(char *cmdbuf)
2535 int headers_only = HEADERS_ALL;
2537 msgid = extract_long(cmdbuf, 0);
2538 headers_only = extract_int(cmdbuf, 1);
2540 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2546 * display a message (mode 2 - RFC822)
2548 void cmd_msg2(char *cmdbuf)
2551 int headers_only = HEADERS_ALL;
2553 msgid = extract_long(cmdbuf, 0);
2554 headers_only = extract_int(cmdbuf, 1);
2556 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2562 * display a message (mode 3 - IGnet raw format - internal programs only)
2564 void cmd_msg3(char *cmdbuf)
2567 struct CtdlMessage *msg = NULL;
2570 if (CC->internal_pgm == 0) {
2571 cprintf("%d This command is for internal programs only.\n",
2572 ERROR + HIGHER_ACCESS_REQUIRED);
2576 msgnum = extract_long(cmdbuf, 0);
2577 msg = CtdlFetchMessage(msgnum, 1);
2579 cprintf("%d Message %ld not found.\n",
2580 ERROR + MESSAGE_NOT_FOUND, msgnum);
2584 serialize_message(&smr, msg);
2585 CtdlFreeMessage(msg);
2588 cprintf("%d Unable to serialize message\n",
2589 ERROR + INTERNAL_ERROR);
2593 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2594 client_write((char *)smr.ser, (int)smr.len);
2601 * Display a message using MIME content types
2603 void cmd_msg4(char *cmdbuf)
2608 msgid = extract_long(cmdbuf, 0);
2609 extract_token(section, cmdbuf, 1, '|', sizeof section);
2610 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2616 * Client tells us its preferred message format(s)
2618 void cmd_msgp(char *cmdbuf)
2620 if (!strcasecmp(cmdbuf, "dont_decode")) {
2621 CC->msg4_dont_decode = 1;
2622 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2625 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2626 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2632 * Open a component of a MIME message as a download file
2634 void cmd_opna(char *cmdbuf)
2637 char desired_section[128];
2639 msgid = extract_long(cmdbuf, 0);
2640 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2641 safestrncpy(CC->download_desired_section, desired_section,
2642 sizeof CC->download_desired_section);
2643 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2648 * Open a component of a MIME message and transmit it all at once
2650 void cmd_dlat(char *cmdbuf)
2653 char desired_section[128];
2655 msgid = extract_long(cmdbuf, 0);
2656 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2657 safestrncpy(CC->download_desired_section, desired_section,
2658 sizeof CC->download_desired_section);
2659 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2664 * Save one or more message pointers into a specified room
2665 * (Returns 0 for success, nonzero for failure)
2666 * roomname may be NULL to use the current room
2668 * Note that the 'supplied_msg' field may be set to NULL, in which case
2669 * the message will be fetched from disk, by number, if we need to perform
2670 * replication checks. This adds an additional database read, so if the
2671 * caller already has the message in memory then it should be supplied. (Obviously
2672 * this mode of operation only works if we're saving a single message.)
2674 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2675 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2677 struct CitContext *CCC = CC;
2679 char hold_rm[ROOMNAMELEN];
2680 struct cdbdata *cdbfr;
2683 long highest_msg = 0L;
2686 struct CtdlMessage *msg = NULL;
2688 long *msgs_to_be_merged = NULL;
2689 int num_msgs_to_be_merged = 0;
2691 MSG_syslog(LOG_DEBUG,
2692 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2693 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2696 strcpy(hold_rm, CCC->room.QRname);
2699 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2700 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2701 if (num_newmsgs > 1) supplied_msg = NULL;
2703 /* Now the regular stuff */
2704 if (CtdlGetRoomLock(&CCC->room,
2705 ((roomname != NULL) ? roomname : CCC->room.QRname) )
2707 MSG_syslog(LOG_ERR, "No such room <%s>\n", roomname);
2708 return(ERROR + ROOM_NOT_FOUND);
2712 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2713 num_msgs_to_be_merged = 0;
2716 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
2717 if (cdbfr == NULL) {
2721 msglist = (long *) cdbfr->ptr;
2722 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2723 num_msgs = cdbfr->len / sizeof(long);
2728 /* Create a list of msgid's which were supplied by the caller, but do
2729 * not already exist in the target room. It is absolutely taboo to
2730 * have more than one reference to the same message in a room.
2732 for (i=0; i<num_newmsgs; ++i) {
2734 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2735 if (msglist[j] == newmsgidlist[i]) {
2740 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2744 MSG_syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2747 * Now merge the new messages
2749 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2750 if (msglist == NULL) {
2751 MSGM_syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2752 return (ERROR + INTERNAL_ERROR);
2754 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2755 num_msgs += num_msgs_to_be_merged;
2757 /* Sort the message list, so all the msgid's are in order */
2758 num_msgs = sort_msglist(msglist, num_msgs);
2760 /* Determine the highest message number */
2761 highest_msg = msglist[num_msgs - 1];
2763 /* Write it back to disk. */
2764 cdb_store(CDB_MSGLISTS, &CCC->room.QRnumber, (int)sizeof(long),
2765 msglist, (int)(num_msgs * sizeof(long)));
2767 /* Free up the memory we used. */
2770 /* Update the highest-message pointer and unlock the room. */
2771 CCC->room.QRhighest = highest_msg;
2772 CtdlPutRoomLock(&CCC->room);
2774 /* Perform replication checks if necessary */
2775 if ( (DoesThisRoomNeedEuidIndexing(&CCC->room)) && (do_repl_check) ) {
2776 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2778 for (i=0; i<num_msgs_to_be_merged; ++i) {
2779 msgid = msgs_to_be_merged[i];
2781 if (supplied_msg != NULL) {
2785 msg = CtdlFetchMessage(msgid, 0);
2789 ReplicationChecks(msg);
2791 /* If the message has an Exclusive ID, index that... */
2792 if (msg->cm_fields['E'] != NULL) {
2793 index_message_by_euid(msg->cm_fields['E'], &CCC->room, msgid);
2796 /* Free up the memory we may have allocated */
2797 if (msg != supplied_msg) {
2798 CtdlFreeMessage(msg);
2806 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2809 /* Submit this room for processing by hooks */
2810 PerformRoomHooks(&CCC->room);
2812 /* Go back to the room we were in before we wandered here... */
2813 CtdlGetRoom(&CCC->room, hold_rm);
2815 /* Bump the reference count for all messages which were merged */
2816 if (!suppress_refcount_adj) {
2817 AdjRefCountList(msgs_to_be_merged, num_msgs_to_be_merged, +1);
2820 /* Free up memory... */
2821 if (msgs_to_be_merged != NULL) {
2822 free(msgs_to_be_merged);
2825 /* Return success. */
2831 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2834 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2835 int do_repl_check, struct CtdlMessage *supplied_msg)
2837 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2844 * Message base operation to save a new message to the message store
2845 * (returns new message number)
2847 * This is the back end for CtdlSubmitMsg() and should not be directly
2848 * called by server-side modules.
2851 long send_message(struct CtdlMessage *msg) {
2852 struct CitContext *CCC = CC;
2860 /* Get a new message number */
2861 newmsgid = get_new_message_number();
2862 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2863 (long unsigned int) time(NULL),
2864 (long unsigned int) newmsgid,
2868 /* Generate an ID if we don't have one already */
2869 if (msg->cm_fields['I']==NULL) {
2870 msg->cm_fields['I'] = strdup(msgidbuf);
2873 /* If the message is big, set its body aside for storage elsewhere */
2874 if (msg->cm_fields['M'] != NULL) {
2875 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2877 holdM = msg->cm_fields['M'];
2878 msg->cm_fields['M'] = NULL;
2882 /* Serialize our data structure for storage in the database */
2883 serialize_message(&smr, msg);
2886 msg->cm_fields['M'] = holdM;
2890 cprintf("%d Unable to serialize message\n",
2891 ERROR + INTERNAL_ERROR);
2895 /* Write our little bundle of joy into the message base */
2896 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2897 smr.ser, smr.len) < 0) {
2898 MSGM_syslog(LOG_ERR, "Can't store message\n");
2902 cdb_store(CDB_BIGMSGS,
2912 /* Free the memory we used for the serialized message */
2915 /* Return the *local* message ID to the caller
2916 * (even if we're storing an incoming network message)
2924 * Serialize a struct CtdlMessage into the format used on disk and network.
2926 * This function loads up a "struct ser_ret" (defined in server.h) which
2927 * contains the length of the serialized message and a pointer to the
2928 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2930 void serialize_message(struct ser_ret *ret, /* return values */
2931 struct CtdlMessage *msg) /* unserialized msg */
2933 struct CitContext *CCC = CC;
2934 size_t wlen, fieldlen;
2936 static char *forder = FORDER;
2939 * Check for valid message format
2941 if (is_valid_message(msg) == 0) {
2942 MSGM_syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2949 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2950 ret->len = ret->len +
2951 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2953 ret->ser = malloc(ret->len);
2954 if (ret->ser == NULL) {
2955 MSG_syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2956 (long)ret->len, strerror(errno));
2963 ret->ser[1] = msg->cm_anon_type;
2964 ret->ser[2] = msg->cm_format_type;
2967 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2968 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2969 ret->ser[wlen++] = (char)forder[i];
2970 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2971 wlen = wlen + fieldlen + 1;
2973 if (ret->len != wlen) {
2974 MSG_syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2975 (long)ret->len, (long)wlen);
2983 * Serialize a struct CtdlMessage into the format used on disk and network.
2985 * This function loads up a "struct ser_ret" (defined in server.h) which
2986 * contains the length of the serialized message and a pointer to the
2987 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2989 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2990 long Siz) /* how many chars ? */
2993 static char *forder = FORDER;
2997 * Check for valid message format
2999 if (is_valid_message(msg) == 0) {
3000 struct CitContext *CCC = CC;
3001 MSGM_syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
3005 buf = (char*) malloc (Siz + 1);
3007 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
3008 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
3009 msg->cm_fields[(int)forder[i]]);
3010 if (client_write (buf, strlen(buf)) == -1)
3012 struct CitContext *CCC = CC;
3013 MSGM_syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
3024 * Check to see if any messages already exist in the current room which
3025 * carry the same Exclusive ID as this one. If any are found, delete them.
3027 void ReplicationChecks(struct CtdlMessage *msg) {
3028 struct CitContext *CCC = CC;
3029 long old_msgnum = (-1L);
3031 if (DoesThisRoomNeedEuidIndexing(&CCC->room) == 0) return;
3033 MSG_syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
3036 /* No exclusive id? Don't do anything. */
3037 if (msg == NULL) return;
3038 if (msg->cm_fields['E'] == NULL) return;
3039 if (IsEmptyStr(msg->cm_fields['E'])) return;
3040 /*MSG_syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
3041 msg->cm_fields['E'], CCC->room.QRname);*/
3043 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CCC->room);
3044 if (old_msgnum > 0L) {
3045 MSG_syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
3046 CtdlDeleteMessages(CCC->room.QRname, &old_msgnum, 1, "");
3053 * Save a message to disk and submit it into the delivery system.
3055 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3056 struct recptypes *recps, /* recipients (if mail) */
3057 const char *force, /* force a particular room? */
3058 int flags /* should the message be exported clean? */
3061 char submit_filename[128];
3062 char generated_timestamp[32];
3063 char hold_rm[ROOMNAMELEN];
3064 char actual_rm[ROOMNAMELEN];
3065 char force_room[ROOMNAMELEN];
3066 char content_type[SIZ]; /* We have to learn this */
3067 char recipient[SIZ];
3070 const char *mptr = NULL;
3071 struct ctdluser userbuf;
3073 struct MetaData smi;
3074 FILE *network_fp = NULL;
3075 static int seqnum = 1;
3076 struct CtdlMessage *imsg = NULL;
3078 size_t instr_alloc = 0;
3080 char *hold_R, *hold_D;
3081 char *collected_addresses = NULL;
3082 struct addresses_to_be_filed *aptr = NULL;
3083 StrBuf *saved_rfc822_version = NULL;
3084 int qualified_for_journaling = 0;
3085 CitContext *CCC = MyContext();
3086 char bounce_to[1024] = "";
3089 MSGM_syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3090 if (is_valid_message(msg) == 0) return(-1); /* self check */
3092 /* If this message has no timestamp, we take the liberty of
3093 * giving it one, right now.
3095 if (msg->cm_fields['T'] == NULL) {
3096 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3097 msg->cm_fields['T'] = strdup(generated_timestamp);
3100 /* If this message has no path, we generate one.
3102 if (msg->cm_fields['P'] == NULL) {
3103 if (msg->cm_fields['A'] != NULL) {
3104 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3105 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3106 if (isspace(msg->cm_fields['P'][a])) {
3107 msg->cm_fields['P'][a] = ' ';
3112 msg->cm_fields['P'] = strdup("unknown");
3116 if (force == NULL) {
3117 strcpy(force_room, "");
3120 strcpy(force_room, force);
3123 /* Learn about what's inside, because it's what's inside that counts */
3124 if (msg->cm_fields['M'] == NULL) {
3125 MSGM_syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3129 switch (msg->cm_format_type) {
3131 strcpy(content_type, "text/x-citadel-variformat");
3134 strcpy(content_type, "text/plain");
3137 strcpy(content_type, "text/plain");
3138 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3141 safestrncpy(content_type, &mptr[13], sizeof content_type);
3142 striplt(content_type);
3143 aptr = content_type;
3144 while (!IsEmptyStr(aptr)) {
3156 /* Goto the correct room */
3157 room = (recps) ? CCC->room.QRname : SENTITEMS;
3158 MSG_syslog(LOG_DEBUG, "Selected room %s\n", room);
3159 strcpy(hold_rm, CCC->room.QRname);
3160 strcpy(actual_rm, CCC->room.QRname);
3161 if (recps != NULL) {
3162 strcpy(actual_rm, SENTITEMS);
3165 /* If the user is a twit, move to the twit room for posting */
3167 if (CCC->user.axlevel == AxProbU) {
3168 strcpy(hold_rm, actual_rm);
3169 strcpy(actual_rm, config.c_twitroom);
3170 MSGM_syslog(LOG_DEBUG, "Diverting to twit room\n");
3174 /* ...or if this message is destined for Aide> then go there. */
3175 if (!IsEmptyStr(force_room)) {
3176 strcpy(actual_rm, force_room);
3179 MSG_syslog(LOG_INFO, "Final selection: %s (%s)\n", actual_rm, room);
3180 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3181 /* CtdlGetRoom(&CCC->room, actual_rm); */
3182 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3186 * If this message has no O (room) field, generate one.
3188 if (msg->cm_fields['O'] == NULL) {
3189 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3192 /* Perform "before save" hooks (aborting if any return nonzero) */
3193 MSGM_syslog(LOG_DEBUG, "Performing before-save hooks\n");
3194 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3197 * If this message has an Exclusive ID, and the room is replication
3198 * checking enabled, then do replication checks.
3200 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3201 ReplicationChecks(msg);
3204 /* Save it to disk */
3205 MSGM_syslog(LOG_DEBUG, "Saving to disk\n");
3206 newmsgid = send_message(msg);
3207 if (newmsgid <= 0L) return(-5);
3209 /* Write a supplemental message info record. This doesn't have to
3210 * be a critical section because nobody else knows about this message
3213 MSGM_syslog(LOG_DEBUG, "Creating MetaData record\n");
3214 memset(&smi, 0, sizeof(struct MetaData));
3215 smi.meta_msgnum = newmsgid;
3216 smi.meta_refcount = 0;
3217 safestrncpy(smi.meta_content_type, content_type,
3218 sizeof smi.meta_content_type);
3221 * Measure how big this message will be when rendered as RFC822.
3222 * We do this for two reasons:
3223 * 1. We need the RFC822 length for the new metadata record, so the
3224 * POP and IMAP services don't have to calculate message lengths
3225 * while the user is waiting (multiplied by potentially hundreds
3226 * or thousands of messages).
3227 * 2. If journaling is enabled, we will need an RFC822 version of the
3228 * message to attach to the journalized copy.
3230 if (CCC->redirect_buffer != NULL) {
3231 MSGM_syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3234 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3235 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3236 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3237 saved_rfc822_version = CCC->redirect_buffer;
3238 CCC->redirect_buffer = NULL;
3242 /* Now figure out where to store the pointers */
3243 MSGM_syslog(LOG_DEBUG, "Storing pointers\n");
3245 /* If this is being done by the networker delivering a private
3246 * message, we want to BYPASS saving the sender's copy (because there
3247 * is no local sender; it would otherwise go to the Trashcan).
3249 if ((!CCC->internal_pgm) || (recps == NULL)) {
3250 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3251 MSGM_syslog(LOG_ERR, "ERROR saving message pointer!\n");
3252 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3256 /* For internet mail, drop a copy in the outbound queue room */
3257 if ((recps != NULL) && (recps->num_internet > 0)) {
3258 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3261 /* If other rooms are specified, drop them there too. */
3262 if ((recps != NULL) && (recps->num_room > 0))
3263 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3264 extract_token(recipient, recps->recp_room, i,
3265 '|', sizeof recipient);
3266 MSG_syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);///// xxxx
3267 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3270 /* Bump this user's messages posted counter. */
3271 MSGM_syslog(LOG_DEBUG, "Updating user\n");
3272 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3273 CCC->user.posted = CCC->user.posted + 1;
3274 CtdlPutUserLock(&CCC->user);
3276 /* Decide where bounces need to be delivered */
3277 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3278 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3280 else if (CCC->logged_in) {
3281 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3284 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3287 /* If this is private, local mail, make a copy in the
3288 * recipient's mailbox and bump the reference count.
3290 if ((recps != NULL) && (recps->num_local > 0))
3291 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3292 extract_token(recipient, recps->recp_local, i,
3293 '|', sizeof recipient);
3294 MSG_syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3296 if (CtdlGetUser(&userbuf, recipient) == 0) {
3297 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3298 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3299 CtdlBumpNewMailCounter(userbuf.usernum);
3300 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3301 /* Generate a instruction message for the Funambol notification
3302 * server, in the same style as the SMTP queue
3305 instr = malloc(instr_alloc);
3306 snprintf(instr, instr_alloc,
3307 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3309 SPOOLMIME, newmsgid, (long)time(NULL),
3313 imsg = malloc(sizeof(struct CtdlMessage));
3314 memset(imsg, 0, sizeof(struct CtdlMessage));
3315 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3316 imsg->cm_anon_type = MES_NORMAL;
3317 imsg->cm_format_type = FMT_RFC822;
3318 imsg->cm_fields['U'] = strdup("QMSG");
3319 imsg->cm_fields['A'] = strdup("Citadel");
3320 imsg->cm_fields['J'] = strdup("do not journal");
3321 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3322 imsg->cm_fields['2'] = strdup(recipient);
3323 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3324 CtdlFreeMessage(imsg);
3328 MSG_syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3329 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3333 /* Perform "after save" hooks */
3334 MSGM_syslog(LOG_DEBUG, "Performing after-save hooks\n");
3335 if (msg->cm_fields['3'] != NULL) free(msg->cm_fields['3']);
3336 msg->cm_fields['3'] = malloc(20);
3337 snprintf(msg->cm_fields['3'], 20, "%ld", newmsgid);
3338 PerformMessageHooks(msg, EVT_AFTERSAVE);
3339 free(msg->cm_fields['3']);
3340 msg->cm_fields['3'] = NULL;
3342 /* For IGnet mail, we have to save a new copy into the spooler for
3343 * each recipient, with the R and D fields set to the recipient and
3344 * destination-node. This has two ugly side effects: all other
3345 * recipients end up being unlisted in this recipient's copy of the
3346 * message, and it has to deliver multiple messages to the same
3347 * node. We'll revisit this again in a year or so when everyone has
3348 * a network spool receiver that can handle the new style messages.
3350 if ((recps != NULL) && (recps->num_ignet > 0))
3351 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3352 extract_token(recipient, recps->recp_ignet, i,
3353 '|', sizeof recipient);
3355 hold_R = msg->cm_fields['R'];
3356 hold_D = msg->cm_fields['D'];
3357 msg->cm_fields['R'] = malloc(SIZ);
3358 msg->cm_fields['D'] = malloc(128);
3359 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3360 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3362 serialize_message(&smr, msg);
3364 snprintf(submit_filename, sizeof submit_filename,
3365 "%s/netmail.%04lx.%04x.%04x",
3367 (long) getpid(), CCC->cs_pid, ++seqnum);
3368 network_fp = fopen(submit_filename, "wb+");
3369 if (network_fp != NULL) {
3370 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3372 MSG_syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n",
3380 free(msg->cm_fields['R']);
3381 free(msg->cm_fields['D']);
3382 msg->cm_fields['R'] = hold_R;
3383 msg->cm_fields['D'] = hold_D;
3386 /* Go back to the room we started from */
3387 MSG_syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3388 if (strcasecmp(hold_rm, CCC->room.QRname))
3389 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3391 /* For internet mail, generate delivery instructions.
3392 * Yes, this is recursive. Deal with it. Infinite recursion does
3393 * not happen because the delivery instructions message does not
3394 * contain a recipient.
3396 if ((recps != NULL) && (recps->num_internet > 0)) {
3397 StrBuf *SpoolMsg = NewStrBuf();
3400 MSGM_syslog(LOG_DEBUG, "Generating delivery instructions\n");
3402 StrBufPrintf(SpoolMsg,
3403 "Content-type: "SPOOLMIME"\n"
3412 if (recps->envelope_from != NULL) {
3413 StrBufAppendBufPlain(SpoolMsg, HKEY("envelope_from|"), 0);
3414 StrBufAppendBufPlain(SpoolMsg, recps->envelope_from, -1, 0);
3415 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3417 if (recps->sending_room != NULL) {
3418 StrBufAppendBufPlain(SpoolMsg, HKEY("source_room|"), 0);
3419 StrBufAppendBufPlain(SpoolMsg, recps->sending_room, -1, 0);
3420 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3423 nTokens = num_tokens(recps->recp_internet, '|');
3424 for (i = 0; i < nTokens; i++) {
3426 len = extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3428 StrBufAppendBufPlain(SpoolMsg, HKEY("remote|"), 0);
3429 StrBufAppendBufPlain(SpoolMsg, recipient, len, 0);
3430 StrBufAppendBufPlain(SpoolMsg, HKEY("|0||\n"), 0);
3434 imsg = malloc(sizeof(struct CtdlMessage));
3435 memset(imsg, 0, sizeof(struct CtdlMessage));
3436 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3437 imsg->cm_anon_type = MES_NORMAL;
3438 imsg->cm_format_type = FMT_RFC822;
3439 imsg->cm_fields['U'] = strdup("QMSG");
3440 imsg->cm_fields['A'] = strdup("Citadel");
3441 imsg->cm_fields['J'] = strdup("do not journal");
3442 imsg->cm_fields['M'] = SmashStrBuf(&SpoolMsg); /* imsg owns this memory now */
3443 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3444 CtdlFreeMessage(imsg);
3448 * Any addresses to harvest for someone's address book?
3450 if ( (CCC->logged_in) && (recps != NULL) ) {
3451 collected_addresses = harvest_collected_addresses(msg);
3454 if (collected_addresses != NULL) {
3455 aptr = (struct addresses_to_be_filed *)
3456 malloc(sizeof(struct addresses_to_be_filed));
3457 CtdlMailboxName(actual_rm, sizeof actual_rm,
3458 &CCC->user, USERCONTACTSROOM);
3459 aptr->roomname = strdup(actual_rm);
3460 aptr->collected_addresses = collected_addresses;
3461 begin_critical_section(S_ATBF);
3464 end_critical_section(S_ATBF);
3468 * Determine whether this message qualifies for journaling.
3470 if (msg->cm_fields['J'] != NULL) {
3471 qualified_for_journaling = 0;
3474 if (recps == NULL) {
3475 qualified_for_journaling = config.c_journal_pubmsgs;
3477 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3478 qualified_for_journaling = config.c_journal_email;
3481 qualified_for_journaling = config.c_journal_pubmsgs;
3486 * Do we have to perform journaling? If so, hand off the saved
3487 * RFC822 version will be handed off to the journaler for background
3488 * submit. Otherwise, we have to free the memory ourselves.
3490 if (saved_rfc822_version != NULL) {
3491 if (qualified_for_journaling) {
3492 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3495 FreeStrBuf(&saved_rfc822_version);
3505 void aide_message (char *text, char *subject)
3507 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3512 * Convenience function for generating small administrative messages.
3514 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3515 int format_type, const char *subject)
3517 struct CtdlMessage *msg;
3518 struct recptypes *recp = NULL;
3520 msg = malloc(sizeof(struct CtdlMessage));
3521 memset(msg, 0, sizeof(struct CtdlMessage));
3522 msg->cm_magic = CTDLMESSAGE_MAGIC;
3523 msg->cm_anon_type = MES_NORMAL;
3524 msg->cm_format_type = format_type;
3527 msg->cm_fields['A'] = strdup(from);
3529 else if (fromaddr != NULL) {
3530 msg->cm_fields['A'] = strdup(fromaddr);
3531 if (strchr(msg->cm_fields['A'], '@')) {
3532 *strchr(msg->cm_fields['A'], '@') = 0;
3536 msg->cm_fields['A'] = strdup("Citadel");
3539 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3540 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3541 msg->cm_fields['N'] = strdup(NODENAME);
3543 msg->cm_fields['R'] = strdup(to);
3544 recp = validate_recipients(to, NULL, 0);
3546 if (subject != NULL) {
3547 msg->cm_fields['U'] = strdup(subject);
3549 msg->cm_fields['M'] = strdup(text);
3551 CtdlSubmitMsg(msg, recp, room, 0);
3552 CtdlFreeMessage(msg);
3553 if (recp != NULL) free_recipients(recp);
3559 * Back end function used by CtdlMakeMessage() and similar functions
3561 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3563 size_t maxlen, /* maximum message length */
3564 char *exist, /* if non-null, append to it;
3565 exist is ALWAYS freed */
3566 int crlf, /* CRLF newlines instead of LF */
3567 int *sock /* socket handle or 0 for this session's client socket */
3576 LineBuf = NewStrBufPlain(NULL, SIZ);
3577 if (exist == NULL) {
3578 Message = NewStrBufPlain(NULL, 4 * SIZ);
3581 Message = NewStrBufPlain(exist, -1);
3585 /* Do we need to change leading ".." to "." for SMTP escaping? */
3586 if ((tlen == 1) && (*terminator == '.')) {
3590 /* read in the lines of message text one by one */
3593 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3598 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3600 if ((StrLength(LineBuf) == tlen) &&
3601 (!strcmp(ChrPtr(LineBuf), terminator)))
3604 if ( (!flushing) && (!finished) ) {
3606 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3609 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3612 /* Unescape SMTP-style input of two dots at the beginning of the line */
3614 (StrLength(LineBuf) == 2) &&
3615 (!strcmp(ChrPtr(LineBuf), "..")))
3617 StrBufCutLeft(LineBuf, 1);
3620 StrBufAppendBuf(Message, LineBuf, 0);
3623 /* if we've hit the max msg length, flush the rest */
3624 if (StrLength(Message) >= maxlen) flushing = 1;
3626 } while (!finished);
3627 FreeStrBuf(&LineBuf);
3631 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3635 FreeStrBuf(&(*Msg)->MsgBuf);
3641 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3643 size_t maxlen, /* maximum message length */
3644 size_t expectlen, /* if we expect a message, how long should it be? */
3645 char *exist, /* if non-null, append to it;
3646 exist is ALWAYS freed */
3647 long eLen, /* length of exist */
3648 int crlf /* CRLF newlines instead of LF */
3651 ReadAsyncMsg *NewMsg;
3653 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3654 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3656 if (exist == NULL) {
3659 if (expectlen == 0) {
3663 len = expectlen + 10;
3665 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3668 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3671 /* Do we need to change leading ".." to "." for SMTP escaping? */
3672 if ((tlen == 1) && (*terminator == '.')) {
3676 NewMsg->terminator = terminator;
3677 NewMsg->tlen = tlen;
3679 NewMsg->maxlen = maxlen;
3681 NewMsg->crlf = crlf;
3687 * Back end function used by CtdlMakeMessage() and similar functions
3689 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3691 ReadAsyncMsg *ReadMsg;
3692 int MsgFinished = 0;
3693 eReadState Finished = eMustReadMore;
3698 const char *pch = ChrPtr(IO->SendBuf.Buf);
3699 const char *pchh = IO->SendBuf.ReadWritePointer;
3705 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3706 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3707 ((CitContext*)(IO->CitContext))->ServiceName,
3710 fd = fopen(fn, "a+");
3713 ReadMsg = IO->ReadMsg;
3715 /* read in the lines of message text one by one */
3717 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3720 case eMustReadMore: /// read new from socket...
3722 if (IO->RecvBuf.ReadWritePointer != NULL) {
3723 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3724 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3726 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3730 fprintf(fd, "BufferEmpty! \n");
3736 case eBufferNotEmpty: /* shouldn't happen... */
3737 case eReadSuccess: /// done for now...
3739 case eReadFail: /// WHUT?
3745 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3746 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3749 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3752 else if (!ReadMsg->flushing) {
3755 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3758 /* Unescape SMTP-style input of two dots at the beginning of the line */
3759 if ((ReadMsg->dodot) &&
3760 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3761 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3764 fprintf(fd, "UnEscaped!\n");
3766 StrBufCutLeft(IO->IOBuf, 1);
3769 if (ReadMsg->crlf) {
3770 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3773 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3776 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3779 /* if we've hit the max msg length, flush the rest */
3780 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3782 } while (!MsgFinished);
3785 fprintf(fd, "Done with reading; %s.\n, ",
3786 (MsgFinished)?"Message Finished": "FAILED");
3790 return eReadSuccess;
3797 * Back end function used by CtdlMakeMessage() and similar functions
3799 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3801 size_t maxlen, /* maximum message length */
3802 char *exist, /* if non-null, append to it;
3803 exist is ALWAYS freed */
3804 int crlf, /* CRLF newlines instead of LF */
3805 int *sock /* socket handle or 0 for this session's client socket */
3810 Message = CtdlReadMessageBodyBuf(terminator,
3816 if (Message == NULL)
3819 return SmashStrBuf(&Message);
3824 * Build a binary message to be saved on disk.
3825 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3826 * will become part of the message. This means you are no longer
3827 * responsible for managing that memory -- it will be freed along with
3828 * the rest of the fields when CtdlFreeMessage() is called.)
3831 struct CtdlMessage *CtdlMakeMessage(
3832 struct ctdluser *author, /* author's user structure */
3833 char *recipient, /* NULL if it's not mail */
3834 char *recp_cc, /* NULL if it's not mail */
3835 char *room, /* room where it's going */
3836 int type, /* see MES_ types in header file */
3837 int format_type, /* variformat, plain text, MIME... */
3838 char *fake_name, /* who we're masquerading as */
3839 char *my_email, /* which of my email addresses to use (empty is ok) */
3840 char *subject, /* Subject (optional) */
3841 char *supplied_euid, /* ...or NULL if this is irrelevant */
3842 char *preformatted_text, /* ...or NULL to read text from client */
3843 char *references /* Thread references */
3845 char dest_node[256];
3847 struct CtdlMessage *msg;
3849 StrBuf *FakeEncAuthor = NULL;
3851 msg = malloc(sizeof(struct CtdlMessage));
3852 memset(msg, 0, sizeof(struct CtdlMessage));
3853 msg->cm_magic = CTDLMESSAGE_MAGIC;
3854 msg->cm_anon_type = type;
3855 msg->cm_format_type = format_type;
3857 /* Don't confuse the poor folks if it's not routed mail. */
3858 strcpy(dest_node, "");
3860 if (recipient != NULL) striplt(recipient);
3861 if (recp_cc != NULL) striplt(recp_cc);
3863 /* Path or Return-Path */
3864 if (my_email == NULL) my_email = "";
3866 if (!IsEmptyStr(my_email)) {
3867 msg->cm_fields['P'] = strdup(my_email);
3870 snprintf(buf, sizeof buf, "%s", author->fullname);
3871 msg->cm_fields['P'] = strdup(buf);
3873 convert_spaces_to_underscores(msg->cm_fields['P']);
3875 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3876 msg->cm_fields['T'] = strdup(buf);
3878 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3879 FakeAuthor = NewStrBufPlain (fake_name, -1);
3882 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3884 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3885 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3886 FreeStrBuf(&FakeAuthor);
3888 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3889 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3892 msg->cm_fields['O'] = strdup(CC->room.QRname);
3895 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3896 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3898 if ((recipient != NULL) && (recipient[0] != 0)) {
3899 msg->cm_fields['R'] = strdup(recipient);
3901 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3902 msg->cm_fields['Y'] = strdup(recp_cc);
3904 if (dest_node[0] != 0) {
3905 msg->cm_fields['D'] = strdup(dest_node);
3908 if (!IsEmptyStr(my_email)) {
3909 msg->cm_fields['F'] = strdup(my_email);
3911 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3912 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3915 if (subject != NULL) {
3918 length = strlen(subject);
3924 while ((subject[i] != '\0') &&
3925 (IsAscii = isascii(subject[i]) != 0 ))
3928 msg->cm_fields['U'] = strdup(subject);
3929 else /* ok, we've got utf8 in the string. */
3931 msg->cm_fields['U'] = rfc2047encode(subject, length);
3937 if (supplied_euid != NULL) {
3938 msg->cm_fields['E'] = strdup(supplied_euid);
3941 if ((references != NULL) && (!IsEmptyStr(references))) {
3942 if (msg->cm_fields['W'] != NULL)
3943 free(msg->cm_fields['W']);
3944 msg->cm_fields['W'] = strdup(references);
3947 if (preformatted_text != NULL) {
3948 msg->cm_fields['M'] = preformatted_text;
3951 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3957 extern int netconfig_check_roomaccess(
3960 const char* RemoteIdentifier); /* TODO: find a smarter way */
3963 * Check to see whether we have permission to post a message in the current
3964 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3965 * returns 0 on success.
3967 int CtdlDoIHavePermissionToPostInThisRoom(
3970 const char* RemoteIdentifier,
3976 if (!(CC->logged_in) &&
3977 (PostPublic == POST_LOGGED_IN)) {
3978 snprintf(errmsgbuf, n, "Not logged in.");
3979 return (ERROR + NOT_LOGGED_IN);
3981 else if (PostPublic == CHECK_EXISTANCE) {
3982 return (0); // We're Evaling whether a recipient exists
3984 else if (!(CC->logged_in)) {
3986 if ((CC->room.QRflags & QR_READONLY)) {
3987 snprintf(errmsgbuf, n, "Not logged in.");
3988 return (ERROR + NOT_LOGGED_IN);
3990 if (CC->room.QRflags2 & QR2_MODERATED) {
3991 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3992 return (ERROR + NOT_LOGGED_IN);
3994 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3996 return netconfig_check_roomaccess(errmsgbuf, n, RemoteIdentifier);
4002 if ((CC->user.axlevel < AxProbU)
4003 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
4004 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
4005 return (ERROR + HIGHER_ACCESS_REQUIRED);
4008 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4010 if (ra & UA_POSTALLOWED) {
4011 strcpy(errmsgbuf, "OK to post or reply here");
4015 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
4017 * To be thorough, we ought to check to see if the message they are
4018 * replying to is actually a valid one in this room, but unless this
4019 * actually becomes a problem we'll go with high performance instead.
4021 strcpy(errmsgbuf, "OK to reply here");
4025 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
4026 /* Clarify what happened with a better error message */
4027 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
4028 return (ERROR + HIGHER_ACCESS_REQUIRED);
4031 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
4032 return (ERROR + HIGHER_ACCESS_REQUIRED);
4038 * Check to see if the specified user has Internet mail permission
4039 * (returns nonzero if permission is granted)
4041 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
4043 /* Do not allow twits to send Internet mail */
4044 if (who->axlevel <= AxProbU) return(0);
4046 /* Globally enabled? */
4047 if (config.c_restrict == 0) return(1);
4049 /* User flagged ok? */
4050 if (who->flags & US_INTERNET) return(2);
4052 /* Aide level access? */
4053 if (who->axlevel >= AxAideU) return(3);
4055 /* No mail for you! */
4061 * Validate recipients, count delivery types and errors, and handle aliasing
4062 * FIXME check for dupes!!!!!
4064 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4065 * were specified, or the number of addresses found invalid.
4067 * Caller needs to free the result using free_recipients()
4069 struct recptypes *validate_recipients(const char *supplied_recipients,
4070 const char *RemoteIdentifier,
4072 struct CitContext *CCC = CC;
4073 struct recptypes *ret;
4074 char *recipients = NULL;
4076 char this_recp[256];
4077 char this_recp_cooked[256];
4084 struct ctdluser tempUS;
4085 struct ctdlroom tempQR;
4086 struct ctdlroom tempQR2;
4092 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4093 if (ret == NULL) return(NULL);
4095 /* Set all strings to null and numeric values to zero */
4096 memset(ret, 0, sizeof(struct recptypes));
4098 if (supplied_recipients == NULL) {
4099 recipients = strdup("");
4102 recipients = strdup(supplied_recipients);
4105 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4106 * actually need, but it's healthier for the heap than doing lots of tiny
4107 * realloc() calls instead.
4109 len = strlen(recipients) + 1024;
4110 ret->errormsg = malloc(len);
4111 ret->recp_local = malloc(len);
4112 ret->recp_internet = malloc(len);
4113 ret->recp_ignet = malloc(len);
4114 ret->recp_room = malloc(len);
4115 ret->display_recp = malloc(len);
4116 ret->recp_orgroom = malloc(len);
4117 org_recp = malloc(len);
4119 ret->errormsg[0] = 0;
4120 ret->recp_local[0] = 0;
4121 ret->recp_internet[0] = 0;
4122 ret->recp_ignet[0] = 0;
4123 ret->recp_room[0] = 0;
4124 ret->recp_orgroom[0] = 0;
4125 ret->display_recp[0] = 0;
4127 ret->recptypes_magic = RECPTYPES_MAGIC;
4129 /* Change all valid separator characters to commas */
4130 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4131 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4132 recipients[i] = ',';
4136 /* Now start extracting recipients... */
4138 while (!IsEmptyStr(recipients)) {
4139 for (i=0; i<=strlen(recipients); ++i) {
4140 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4141 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4142 safestrncpy(this_recp, recipients, i+1);
4144 if (recipients[i] == ',') {
4145 strcpy(recipients, &recipients[i+1]);
4148 strcpy(recipients, "");
4155 if (IsEmptyStr(this_recp))
4157 MSG_syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4160 strcpy(org_recp, this_recp);
4163 mailtype = alias(this_recp);
4165 for (j = 0; !IsEmptyStr(&this_recp[j]); ++j) {
4166 if (this_recp[j]=='_') {
4167 this_recp_cooked[j] = ' ';
4170 this_recp_cooked[j] = this_recp[j];
4173 this_recp_cooked[j] = '\0';
4178 if (!strcasecmp(this_recp, "sysop")) {
4180 strcpy(this_recp, config.c_aideroom);
4181 if (!IsEmptyStr(ret->recp_room)) {
4182 strcat(ret->recp_room, "|");
4184 strcat(ret->recp_room, this_recp);
4186 else if ( (!strncasecmp(this_recp, "room_", 5))
4187 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4189 /* Save room so we can restore it later */
4190 tempQR2 = CCC->room;
4193 /* Check permissions to send mail to this room */
4194 err = CtdlDoIHavePermissionToPostInThisRoom(
4199 0 /* 0 = not a reply */
4208 if (!IsEmptyStr(ret->recp_room)) {
4209 strcat(ret->recp_room, "|");
4211 strcat(ret->recp_room, &this_recp_cooked[5]);
4213 if (!IsEmptyStr(ret->recp_orgroom)) {
4214 strcat(ret->recp_orgroom, "|");
4216 strcat(ret->recp_orgroom, org_recp);
4220 /* Restore room in case something needs it */
4221 CCC->room = tempQR2;
4224 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4226 strcpy(this_recp, tempUS.fullname);
4227 if (!IsEmptyStr(ret->recp_local)) {
4228 strcat(ret->recp_local, "|");
4230 strcat(ret->recp_local, this_recp);
4232 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4234 strcpy(this_recp, tempUS.fullname);
4235 if (!IsEmptyStr(ret->recp_local)) {
4236 strcat(ret->recp_local, "|");
4238 strcat(ret->recp_local, this_recp);
4246 /* Yes, you're reading this correctly: if the target
4247 * domain points back to the local system or an attached
4248 * Citadel directory, the address is invalid. That's
4249 * because if the address were valid, we would have
4250 * already translated it to a local address by now.
4252 if (IsDirectory(this_recp, 0)) {
4257 ++ret->num_internet;
4258 if (!IsEmptyStr(ret->recp_internet)) {
4259 strcat(ret->recp_internet, "|");
4261 strcat(ret->recp_internet, this_recp);
4266 if (!IsEmptyStr(ret->recp_ignet)) {
4267 strcat(ret->recp_ignet, "|");
4269 strcat(ret->recp_ignet, this_recp);
4277 if (IsEmptyStr(errmsg)) {
4278 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4281 snprintf(append, sizeof append, "%s", errmsg);
4283 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4284 if (!IsEmptyStr(ret->errormsg)) {
4285 strcat(ret->errormsg, "; ");
4287 strcat(ret->errormsg, append);
4291 if (IsEmptyStr(ret->display_recp)) {
4292 strcpy(append, this_recp);
4295 snprintf(append, sizeof append, ", %s", this_recp);
4297 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4298 strcat(ret->display_recp, append);
4304 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4305 ret->num_room + ret->num_error) == 0) {
4306 ret->num_error = (-1);
4307 strcpy(ret->errormsg, "No recipients specified.");
4310 MSGM_syslog(LOG_DEBUG, "validate_recipients()\n");
4311 MSG_syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4312 MSG_syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4313 MSG_syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4314 MSG_syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4315 MSG_syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4323 * Destructor for struct recptypes
4325 void free_recipients(struct recptypes *valid) {
4327 if (valid == NULL) {
4331 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4332 struct CitContext *CCC = CC;
4333 MSGM_syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4337 if (valid->errormsg != NULL) free(valid->errormsg);
4338 if (valid->recp_local != NULL) free(valid->recp_local);
4339 if (valid->recp_internet != NULL) free(valid->recp_internet);
4340 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4341 if (valid->recp_room != NULL) free(valid->recp_room);
4342 if (valid->recp_orgroom != NULL) free(valid->recp_orgroom);
4343 if (valid->display_recp != NULL) free(valid->display_recp);
4344 if (valid->bounce_to != NULL) free(valid->bounce_to);
4345 if (valid->envelope_from != NULL) free(valid->envelope_from);
4346 if (valid->sending_room != NULL) free(valid->sending_room);
4353 * message entry - mode 0 (normal)
4355 void cmd_ent0(char *entargs)
4357 struct CitContext *CCC = CC;
4362 char supplied_euid[128];
4364 int format_type = 0;
4365 char newusername[256];
4366 char newuseremail[256];
4367 struct CtdlMessage *msg;
4371 struct recptypes *valid = NULL;
4372 struct recptypes *valid_to = NULL;
4373 struct recptypes *valid_cc = NULL;
4374 struct recptypes *valid_bcc = NULL;
4376 int subject_required = 0;
4381 int newuseremail_ok = 0;
4382 char references[SIZ];
4387 post = extract_int(entargs, 0);
4388 extract_token(recp, entargs, 1, '|', sizeof recp);
4389 anon_flag = extract_int(entargs, 2);
4390 format_type = extract_int(entargs, 3);
4391 extract_token(subject, entargs, 4, '|', sizeof subject);
4392 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4393 do_confirm = extract_int(entargs, 6);
4394 extract_token(cc, entargs, 7, '|', sizeof cc);
4395 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4396 switch(CC->room.QRdefaultview) {
4399 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4402 supplied_euid[0] = 0;
4405 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4406 extract_token(references, entargs, 11, '|', sizeof references);
4407 for (ptr=references; *ptr != 0; ++ptr) {
4408 if (*ptr == '!') *ptr = '|';
4411 /* first check to make sure the request is valid. */
4413 err = CtdlDoIHavePermissionToPostInThisRoom(
4418 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4422 cprintf("%d %s\n", err, errmsg);
4426 /* Check some other permission type things. */
4428 if (IsEmptyStr(newusername)) {
4429 strcpy(newusername, CCC->user.fullname);
4431 if ( (CCC->user.axlevel < AxAideU)
4432 && (strcasecmp(newusername, CCC->user.fullname))
4433 && (strcasecmp(newusername, CCC->cs_inet_fn))
4435 cprintf("%d You don't have permission to author messages as '%s'.\n",
4436 ERROR + HIGHER_ACCESS_REQUIRED,
4443 if (IsEmptyStr(newuseremail)) {
4444 newuseremail_ok = 1;
4447 if (!IsEmptyStr(newuseremail)) {
4448 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4449 newuseremail_ok = 1;
4451 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4452 j = num_tokens(CCC->cs_inet_other_emails, '|');
4453 for (i=0; i<j; ++i) {
4454 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4455 if (!strcasecmp(newuseremail, buf)) {
4456 newuseremail_ok = 1;
4462 if (!newuseremail_ok) {
4463 cprintf("%d You don't have permission to author messages as '%s'.\n",
4464 ERROR + HIGHER_ACCESS_REQUIRED,
4470 CCC->cs_flags |= CS_POSTING;
4472 /* In mailbox rooms we have to behave a little differently --
4473 * make sure the user has specified at least one recipient. Then
4474 * validate the recipient(s). We do this for the Mail> room, as
4475 * well as any room which has the "Mailbox" view set - unless it
4476 * is the DRAFTS room which does not require recipients
4479 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4480 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4481 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4482 if (CCC->user.axlevel < AxProbU) {
4483 strcpy(recp, "sysop");
4488 valid_to = validate_recipients(recp, NULL, 0);
4489 if (valid_to->num_error > 0) {
4490 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4491 free_recipients(valid_to);
4495 valid_cc = validate_recipients(cc, NULL, 0);
4496 if (valid_cc->num_error > 0) {
4497 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4498 free_recipients(valid_to);
4499 free_recipients(valid_cc);
4503 valid_bcc = validate_recipients(bcc, NULL, 0);
4504 if (valid_bcc->num_error > 0) {
4505 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4506 free_recipients(valid_to);
4507 free_recipients(valid_cc);
4508 free_recipients(valid_bcc);
4512 /* Recipient required, but none were specified */
4513 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4514 free_recipients(valid_to);
4515 free_recipients(valid_cc);
4516 free_recipients(valid_bcc);
4517 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4521 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4522 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4523 cprintf("%d You do not have permission "
4524 "to send Internet mail.\n",
4525 ERROR + HIGHER_ACCESS_REQUIRED);
4526 free_recipients(valid_to);
4527 free_recipients(valid_cc);
4528 free_recipients(valid_bcc);
4533 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)
4534 && (CCC->user.axlevel < AxNetU) ) {
4535 cprintf("%d Higher access required for network mail.\n",
4536 ERROR + HIGHER_ACCESS_REQUIRED);
4537 free_recipients(valid_to);
4538 free_recipients(valid_cc);
4539 free_recipients(valid_bcc);
4543 if ((RESTRICT_INTERNET == 1)
4544 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4545 && ((CCC->user.flags & US_INTERNET) == 0)
4546 && (!CCC->internal_pgm)) {
4547 cprintf("%d You don't have access to Internet mail.\n",
4548 ERROR + HIGHER_ACCESS_REQUIRED);
4549 free_recipients(valid_to);
4550 free_recipients(valid_cc);
4551 free_recipients(valid_bcc);
4557 /* Is this a room which has anonymous-only or anonymous-option? */
4558 anonymous = MES_NORMAL;
4559 if (CCC->room.QRflags & QR_ANONONLY) {
4560 anonymous = MES_ANONONLY;
4562 if (CCC->room.QRflags & QR_ANONOPT) {
4563 if (anon_flag == 1) { /* only if the user requested it */
4564 anonymous = MES_ANONOPT;
4568 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4572 /* Recommend to the client that the use of a message subject is
4573 * strongly recommended in this room, if either the SUBJECTREQ flag
4574 * is set, or if there is one or more Internet email recipients.
4576 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4577 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4578 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4579 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4581 /* If we're only checking the validity of the request, return
4582 * success without creating the message.
4585 cprintf("%d %s|%d\n", CIT_OK,
4586 ((valid_to != NULL) ? valid_to->display_recp : ""),
4588 free_recipients(valid_to);
4589 free_recipients(valid_cc);
4590 free_recipients(valid_bcc);
4594 /* We don't need these anymore because we'll do it differently below */
4595 free_recipients(valid_to);
4596 free_recipients(valid_cc);
4597 free_recipients(valid_bcc);
4599 /* Read in the message from the client. */
4601 cprintf("%d send message\n", START_CHAT_MODE);
4603 cprintf("%d send message\n", SEND_LISTING);
4606 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4607 CCC->room.QRname, anonymous, format_type,
4608 newusername, newuseremail, subject,
4609 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4612 /* Put together one big recipients struct containing to/cc/bcc all in
4613 * one. This is for the envelope.
4615 char *all_recps = malloc(SIZ * 3);
4616 strcpy(all_recps, recp);
4617 if (!IsEmptyStr(cc)) {
4618 if (!IsEmptyStr(all_recps)) {
4619 strcat(all_recps, ",");
4621 strcat(all_recps, cc);
4623 if (!IsEmptyStr(bcc)) {
4624 if (!IsEmptyStr(all_recps)) {
4625 strcat(all_recps, ",");
4627 strcat(all_recps, bcc);
4629 if (!IsEmptyStr(all_recps)) {
4630 valid = validate_recipients(all_recps, NULL, 0);
4637 if ((valid != NULL) && (valid->num_room == 1))
4639 /* posting into an ML room? set the envelope from
4640 * to the actual mail address so others get a valid
4643 msg->cm_fields['V'] = strdup(valid->recp_orgroom);
4647 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4649 cprintf("%ld\n", msgnum);
4651 if (StrLength(CCC->StatusMessage) > 0) {
4652 cprintf("%s\n", ChrPtr(CCC->StatusMessage));
4654 else if (msgnum >= 0L) {
4655 client_write(HKEY("Message accepted.\n"));
4658 client_write(HKEY("Internal error.\n"));
4661 if (msg->cm_fields['E'] != NULL) {
4662 cprintf("%s\n", msg->cm_fields['E']);
4669 CtdlFreeMessage(msg);
4671 if (valid != NULL) {
4672 free_recipients(valid);
4680 * API function to delete messages which match a set of criteria
4681 * (returns the actual number of messages deleted)
4683 int CtdlDeleteMessages(char *room_name, /* which room */
4684 long *dmsgnums, /* array of msg numbers to be deleted */
4685 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4686 char *content_type /* or "" for any. regular expressions expected. */
4689 struct CitContext *CCC = CC;
4690 struct ctdlroom qrbuf;
4691 struct cdbdata *cdbfr;
4692 long *msglist = NULL;
4693 long *dellist = NULL;
4696 int num_deleted = 0;
4698 struct MetaData smi;
4701 int need_to_free_re = 0;
4703 if (content_type) if (!IsEmptyStr(content_type)) {
4704 regcomp(&re, content_type, 0);
4705 need_to_free_re = 1;
4707 MSG_syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4708 room_name, num_dmsgnums, content_type);
4710 /* get room record, obtaining a lock... */
4711 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4712 MSG_syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4714 if (need_to_free_re) regfree(&re);
4715 return (0); /* room not found */
4717 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4719 if (cdbfr != NULL) {
4720 dellist = malloc(cdbfr->len);
4721 msglist = (long *) cdbfr->ptr;
4722 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4723 num_msgs = cdbfr->len / sizeof(long);
4727 int have_contenttype = !IsEmptyStr(content_type);
4728 int have_delmsgs = (num_dmsgnums == 0) || (dmsgnums == NULL);
4729 int have_more_del = 1;
4731 num_msgs = sort_msglist(msglist, num_msgs);
4732 if (num_dmsgnums > 1)
4733 num_dmsgnums = sort_msglist(dmsgnums, num_dmsgnums);
4736 StrBuf *dbg = NewStrBuf();
4737 for (i = 0; i < num_dmsgnums; i++)
4738 StrBufAppendPrintf(dbg, ", %ld", dmsgnums[i]);
4739 MSG_syslog(LOG_DEBUG, "Deleting before: %s", ChrPtr(dbg));
4744 while ((i < num_msgs) && (have_more_del)) {
4748 /* Set/clear a bit for each criterion */
4750 /* 0 messages in the list or a null list means that we are
4751 * interested in deleting any messages which meet the other criteria.
4754 delete_this |= 0x01;
4757 while ((i < num_msgs) && (msglist[i] < dmsgnums[j])) i++;
4758 if (msglist[i] == dmsgnums[j]) {
4759 delete_this |= 0x01;
4762 have_more_del = (j < num_dmsgnums);
4765 if (have_contenttype) {
4766 GetMetaData(&smi, msglist[i]);
4767 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4768 delete_this |= 0x02;
4771 delete_this |= 0x02;
4774 /* Delete message only if all bits are set */
4775 if (delete_this == 0x03) {
4776 dellist[num_deleted++] = msglist[i];
4783 StrBuf *dbg = NewStrBuf();
4784 for (i = 0; i < num_deleted; i++)
4785 StrBufAppendPrintf(dbg, ", %ld", dellist[i]);
4786 MSG_syslog(LOG_DEBUG, "Deleting: %s", ChrPtr(dbg));
4790 num_msgs = sort_msglist(msglist, num_msgs);
4791 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4792 msglist, (int)(num_msgs * sizeof(long)));
4795 qrbuf.QRhighest = msglist[num_msgs - 1];
4797 qrbuf.QRhighest = 0;
4799 CtdlPutRoomLock(&qrbuf);
4801 /* Go through the messages we pulled out of the index, and decrement
4802 * their reference counts by 1. If this is the only room the message
4803 * was in, the reference count will reach zero and the message will
4804 * automatically be deleted from the database. We do this in a
4805 * separate pass because there might be plug-in hooks getting called,
4806 * and we don't want that happening during an S_ROOMS critical
4810 for (i=0; i<num_deleted; ++i) {
4811 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4813 AdjRefCountList(dellist, num_deleted, -1);
4815 /* Now free the memory we used, and go away. */
4816 if (msglist != NULL) free(msglist);
4817 if (dellist != NULL) free(dellist);
4818 MSG_syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4819 if (need_to_free_re) regfree(&re);
4820 return (num_deleted);
4826 * Check whether the current user has permission to delete messages from
4827 * the current room (returns 1 for yes, 0 for no)
4829 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4831 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4832 if (ra & UA_DELETEALLOWED) return(1);
4840 * Delete message from current room
4842 void cmd_dele(char *args)
4851 extract_token(msgset, args, 0, '|', sizeof msgset);
4852 num_msgs = num_tokens(msgset, ',');
4854 cprintf("%d Nothing to do.\n", CIT_OK);
4858 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4859 cprintf("%d Higher access required.\n",
4860 ERROR + HIGHER_ACCESS_REQUIRED);
4865 * Build our message set to be moved/copied
4867 msgs = malloc(num_msgs * sizeof(long));
4868 for (i=0; i<num_msgs; ++i) {
4869 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4870 msgs[i] = atol(msgtok);
4873 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4877 cprintf("%d %d message%s deleted.\n", CIT_OK,
4878 num_deleted, ((num_deleted != 1) ? "s" : ""));
4880 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4888 * move or copy a message to another room
4890 void cmd_move(char *args)
4897 char targ[ROOMNAMELEN];
4898 struct ctdlroom qtemp;
4905 extract_token(msgset, args, 0, '|', sizeof msgset);
4906 num_msgs = num_tokens(msgset, ',');
4908 cprintf("%d Nothing to do.\n", CIT_OK);
4912 extract_token(targ, args, 1, '|', sizeof targ);
4913 convert_room_name_macros(targ, sizeof targ);
4914 targ[ROOMNAMELEN - 1] = 0;
4915 is_copy = extract_int(args, 2);
4917 if (CtdlGetRoom(&qtemp, targ) != 0) {
4918 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4922 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4923 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4927 CtdlGetUser(&CC->user, CC->curr_user);
4928 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4930 /* Check for permission to perform this operation.
4931 * Remember: "CC->room" is source, "qtemp" is target.
4935 /* Aides can move/copy */
4936 if (CC->user.axlevel >= AxAideU) permit = 1;
4938 /* Room aides can move/copy */
4939 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4941 /* Permit move/copy from personal rooms */
4942 if ((CC->room.QRflags & QR_MAILBOX)
4943 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4945 /* Permit only copy from public to personal room */
4947 && (!(CC->room.QRflags & QR_MAILBOX))
4948 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4950 /* Permit message removal from collaborative delete rooms */
4951 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4953 /* Users allowed to post into the target room may move into it too. */
4954 if ((CC->room.QRflags & QR_MAILBOX) &&
4955 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4957 /* User must have access to target room */
4958 if (!(ra & UA_KNOWN)) permit = 0;
4961 cprintf("%d Higher access required.\n",
4962 ERROR + HIGHER_ACCESS_REQUIRED);
4967 * Build our message set to be moved/copied
4969 msgs = malloc(num_msgs * sizeof(long));
4970 for (i=0; i<num_msgs; ++i) {
4971 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4972 msgs[i] = atol(msgtok);
4978 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4980 cprintf("%d Cannot store message(s) in %s: error %d\n",
4986 /* Now delete the message from the source room,
4987 * if this is a 'move' rather than a 'copy' operation.
4990 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4994 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
5000 * GetMetaData() - Get the supplementary record for a message
5002 void GetMetaData(struct MetaData *smibuf, long msgnum)
5005 struct cdbdata *cdbsmi;
5008 memset(smibuf, 0, sizeof(struct MetaData));
5009 smibuf->meta_msgnum = msgnum;
5010 smibuf->meta_refcount = 1; /* Default reference count is 1 */
5012 /* Use the negative of the message number for its supp record index */
5013 TheIndex = (0L - msgnum);
5015 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
5016 if (cdbsmi == NULL) {
5017 return; /* record not found; go with defaults */
5019 memcpy(smibuf, cdbsmi->ptr,
5020 ((cdbsmi->len > sizeof(struct MetaData)) ?
5021 sizeof(struct MetaData) : cdbsmi->len));
5028 * PutMetaData() - (re)write supplementary record for a message
5030 void PutMetaData(struct MetaData *smibuf)
5034 /* Use the negative of the message number for the metadata db index */
5035 TheIndex = (0L - smibuf->meta_msgnum);
5037 cdb_store(CDB_MSGMAIN,
5038 &TheIndex, (int)sizeof(long),
5039 smibuf, (int)sizeof(struct MetaData));
5044 * AdjRefCount - submit an adjustment to the reference count for a message.
5045 * (These are just queued -- we actually process them later.)
5047 void AdjRefCount(long msgnum, int incr)
5049 struct CitContext *CCC = CC;
5050 struct arcq new_arcq;
5053 MSG_syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n", msgnum, incr);
5055 begin_critical_section(S_SUPPMSGMAIN);
5056 if (arcfp == NULL) {
5057 arcfp = fopen(file_arcq, "ab+");
5058 chown(file_arcq, CTDLUID, (-1));
5059 chmod(file_arcq, 0600);
5061 end_critical_section(S_SUPPMSGMAIN);
5063 /* msgnum < 0 means that we're trying to close the file */
5065 MSGM_syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
5066 begin_critical_section(S_SUPPMSGMAIN);
5067 if (arcfp != NULL) {
5071 end_critical_section(S_SUPPMSGMAIN);
5076 * If we can't open the queue, perform the operation synchronously.
5078 if (arcfp == NULL) {
5079 TDAP_AdjRefCount(msgnum, incr);
5083 new_arcq.arcq_msgnum = msgnum;
5084 new_arcq.arcq_delta = incr;
5085 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
5087 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5096 void AdjRefCountList(long *msgnum, long nmsg, int incr)
5098 struct CitContext *CCC = CC;
5099 long i, the_size, offset;
5100 struct arcq *new_arcq;
5103 MSG_syslog(LOG_DEBUG, "AdjRefCountList() msg %ld ref count delta %+d\n", nmsg, incr);
5105 begin_critical_section(S_SUPPMSGMAIN);
5106 if (arcfp == NULL) {
5107 arcfp = fopen(file_arcq, "ab+");
5108 chown(file_arcq, CTDLUID, (-1));
5109 chmod(file_arcq, 0600);
5111 end_critical_section(S_SUPPMSGMAIN);
5114 * If we can't open the queue, perform the operation synchronously.
5116 if (arcfp == NULL) {
5117 for (i = 0; i < nmsg; i++)
5118 TDAP_AdjRefCount(msgnum[i], incr);
5122 the_size = sizeof(struct arcq) * nmsg;
5123 new_arcq = malloc(the_size);
5124 for (i = 0; i < nmsg; i++) {
5125 new_arcq[i].arcq_msgnum = msgnum[i];
5126 new_arcq[i].arcq_delta = incr;
5130 while ((rv >= 0) && (offset < the_size))
5132 rv = fwrite(new_arcq + offset, 1, the_size - offset, arcfp);
5134 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5150 * TDAP_ProcessAdjRefCountQueue()
5152 * Process the queue of message count adjustments that was created by calls
5153 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
5154 * for each one. This should be an "off hours" operation.
5156 int TDAP_ProcessAdjRefCountQueue(void)
5158 struct CitContext *CCC = CC;
5159 char file_arcq_temp[PATH_MAX];
5162 struct arcq arcq_rec;
5163 int num_records_processed = 0;
5165 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
5167 begin_critical_section(S_SUPPMSGMAIN);
5168 if (arcfp != NULL) {
5173 r = link(file_arcq, file_arcq_temp);
5175 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5176 end_critical_section(S_SUPPMSGMAIN);
5177 return(num_records_processed);
5181 end_critical_section(S_SUPPMSGMAIN);
5183 fp = fopen(file_arcq_temp, "rb");
5185 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5186 return(num_records_processed);
5189 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5190 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5191 ++num_records_processed;
5195 r = unlink(file_arcq_temp);
5197 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5200 return(num_records_processed);
5206 * TDAP_AdjRefCount - adjust the reference count for a message.
5207 * This one does it "for real" because it's called by
5208 * the autopurger function that processes the queue
5209 * created by AdjRefCount(). If a message's reference
5210 * count becomes zero, we also delete the message from
5211 * disk and de-index it.
5213 void TDAP_AdjRefCount(long msgnum, int incr)
5215 struct CitContext *CCC = CC;
5217 struct MetaData smi;
5220 /* This is a *tight* critical section; please keep it that way, as
5221 * it may get called while nested in other critical sections.
5222 * Complicating this any further will surely cause deadlock!
5224 begin_critical_section(S_SUPPMSGMAIN);
5225 GetMetaData(&smi, msgnum);
5226 smi.meta_refcount += incr;
5228 end_critical_section(S_SUPPMSGMAIN);
5229 MSG_syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5230 msgnum, incr, smi.meta_refcount
5233 /* If the reference count is now zero, delete the message
5234 * (and its supplementary record as well).
5236 if (smi.meta_refcount == 0) {
5237 MSG_syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5239 /* Call delete hooks with NULL room to show it has gone altogether */
5240 PerformDeleteHooks(NULL, msgnum);
5242 /* Remove from message base */
5244 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5245 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5247 /* Remove metadata record */
5248 delnum = (0L - msgnum);
5249 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5255 * Write a generic object to this room
5257 * Note: this could be much more efficient. Right now we use two temporary
5258 * files, and still pull the message into memory as with all others.
5260 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5261 char *content_type, /* MIME type of this object */
5262 char *raw_message, /* Data to be written */
5263 off_t raw_length, /* Size of raw_message */
5264 struct ctdluser *is_mailbox, /* Mailbox room? */
5265 int is_binary, /* Is encoding necessary? */
5266 int is_unique, /* Del others of this type? */
5267 unsigned int flags /* Internal save flags */
5270 struct CitContext *CCC = CC;
5271 struct ctdlroom qrbuf;
5272 char roomname[ROOMNAMELEN];
5273 struct CtdlMessage *msg;
5274 char *encoded_message = NULL;
5276 if (is_mailbox != NULL) {
5277 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5280 safestrncpy(roomname, req_room, sizeof(roomname));
5283 MSG_syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5286 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5289 encoded_message = malloc((size_t)(raw_length + 4096));
5292 sprintf(encoded_message, "Content-type: %s\n", content_type);
5295 sprintf(&encoded_message[strlen(encoded_message)],
5296 "Content-transfer-encoding: base64\n\n"
5300 sprintf(&encoded_message[strlen(encoded_message)],
5301 "Content-transfer-encoding: 7bit\n\n"
5307 &encoded_message[strlen(encoded_message)],
5315 &encoded_message[strlen(encoded_message)],
5321 MSGM_syslog(LOG_DEBUG, "Allocating\n");
5322 msg = malloc(sizeof(struct CtdlMessage));
5323 memset(msg, 0, sizeof(struct CtdlMessage));
5324 msg->cm_magic = CTDLMESSAGE_MAGIC;
5325 msg->cm_anon_type = MES_NORMAL;
5326 msg->cm_format_type = 4;
5327 msg->cm_fields['A'] = strdup(CCC->user.fullname);
5328 msg->cm_fields['O'] = strdup(req_room);
5329 msg->cm_fields['N'] = strdup(config.c_nodename);
5330 msg->cm_fields['H'] = strdup(config.c_humannode);
5331 msg->cm_flags = flags;
5333 msg->cm_fields['M'] = encoded_message;
5335 /* Create the requested room if we have to. */
5336 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5337 CtdlCreateRoom(roomname,
5338 ( (is_mailbox != NULL) ? 5 : 3 ),
5339 "", 0, 1, 0, VIEW_BBS);
5341 /* If the caller specified this object as unique, delete all
5342 * other objects of this type that are currently in the room.
5345 MSG_syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5346 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5349 /* Now write the data */
5350 CtdlSubmitMsg(msg, NULL, roomname, 0);
5351 CtdlFreeMessage(msg);
5359 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5360 config_msgnum = msgnum;
5364 char *CtdlGetSysConfig(char *sysconfname) {
5365 char hold_rm[ROOMNAMELEN];
5368 struct CtdlMessage *msg;
5371 strcpy(hold_rm, CC->room.QRname);
5372 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5373 CtdlGetRoom(&CC->room, hold_rm);
5378 /* We want the last (and probably only) config in this room */
5379 begin_critical_section(S_CONFIG);
5380 config_msgnum = (-1L);
5381 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5382 CtdlGetSysConfigBackend, NULL);
5383 msgnum = config_msgnum;
5384 end_critical_section(S_CONFIG);
5390 msg = CtdlFetchMessage(msgnum, 1);
5392 conf = strdup(msg->cm_fields['M']);
5393 CtdlFreeMessage(msg);
5400 CtdlGetRoom(&CC->room, hold_rm);
5402 if (conf != NULL) do {
5403 extract_token(buf, conf, 0, '\n', sizeof buf);
5404 strcpy(conf, &conf[strlen(buf)+1]);
5405 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5411 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5412 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5417 * Determine whether a given Internet address belongs to the current user
5419 int CtdlIsMe(char *addr, int addr_buf_len)
5421 struct recptypes *recp;
5424 recp = validate_recipients(addr, NULL, 0);
5425 if (recp == NULL) return(0);
5427 if (recp->num_local == 0) {
5428 free_recipients(recp);
5432 for (i=0; i<recp->num_local; ++i) {
5433 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5434 if (!strcasecmp(addr, CC->user.fullname)) {
5435 free_recipients(recp);
5440 free_recipients(recp);
5446 * Citadel protocol command to do the same
5448 void cmd_isme(char *argbuf) {
5451 if (CtdlAccessCheck(ac_logged_in)) return;
5452 extract_token(addr, argbuf, 0, '|', sizeof addr);
5454 if (CtdlIsMe(addr, sizeof addr)) {
5455 cprintf("%d %s\n", CIT_OK, addr);
5458 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5464 /*****************************************************************************/
5465 /* MODULE INITIALIZATION STUFF */
5466 /*****************************************************************************/
5467 void SetMessageDebugEnabled(const int n)
5469 MessageDebugEnabled = n;
5471 CTDL_MODULE_INIT(msgbase)
5474 CtdlRegisterDebugFlagHook(HKEY("messages"), SetMessageDebugEnabled, &MessageDebugEnabled);
5476 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5477 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5478 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5479 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5480 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5481 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5482 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5483 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5484 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5485 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5486 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5487 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5490 /* return our Subversion id for the Log */