2 * Implements the message store.
4 * Copyright (c) 1987-2012 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 3.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
21 #if TIME_WITH_SYS_TIME
22 # include <sys/time.h>
26 # include <sys/time.h>
39 #include <sys/types.h>
41 #include <libcitadel.h>
44 #include "serv_extensions.h"
48 #include "sysdep_decls.h"
49 #include "citserver.h"
56 #include "internet_addressing.h"
57 #include "euidindex.h"
58 #include "journaling.h"
59 #include "citadel_dirs.h"
60 #include "clientsocket.h"
63 #include "ctdl_module.h"
66 struct addresses_to_be_filed *atbf = NULL;
68 /* This temp file holds the queue of operations for AdjRefCount() */
69 static FILE *arcfp = NULL;
70 void AdjRefCountList(long *msgnum, long nmsg, int incr);
72 int MessageDebugEnabled = 0;
75 * These are the four-character field headers we use when outputting
76 * messages in Citadel format (as opposed to RFC822 format).
79 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
80 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
81 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
83 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
84 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
85 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
86 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
115 * This function is self explanatory.
116 * (What can I say, I'm in a weird mood today...)
118 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
122 for (i = 0; i < strlen(name); ++i) {
123 if (name[i] == '@') {
124 while (isspace(name[i - 1]) && i > 0) {
125 strcpy(&name[i - 1], &name[i]);
128 while (isspace(name[i + 1])) {
129 strcpy(&name[i + 1], &name[i + 2]);
137 * Aliasing for network mail.
138 * (Error messages have been commented out, because this is a server.)
140 int alias(char *name)
141 { /* process alias and routing info for mail */
142 struct CitContext *CCC = CC;
145 char aaa[SIZ], bbb[SIZ];
146 char *ignetcfg = NULL;
147 char *ignetmap = NULL;
153 char original_name[256];
154 safestrncpy(original_name, name, sizeof original_name);
157 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
158 stripallbut(name, '<', '>');
160 fp = fopen(file_mail_aliases, "r");
162 fp = fopen("/dev/null", "r");
169 while (fgets(aaa, sizeof aaa, fp) != NULL) {
170 while (isspace(name[0]))
171 strcpy(name, &name[1]);
172 aaa[strlen(aaa) - 1] = 0;
174 for (a = 0; a < strlen(aaa); ++a) {
176 strcpy(bbb, &aaa[a + 1]);
180 if (!strcasecmp(name, aaa))
185 /* Hit the Global Address Book */
186 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
190 if (strcasecmp(original_name, name)) {
191 MSG_syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
194 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
195 for (a=0; a<strlen(name); ++a) {
196 if (name[a] == '@') {
197 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
199 MSG_syslog(LOG_INFO, "Changed to <%s>\n", name);
204 /* determine local or remote type, see citadel.h */
205 at = haschar(name, '@');
206 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
207 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
208 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
210 /* figure out the delivery mode */
211 extract_token(node, name, 1, '@', sizeof node);
213 /* If there are one or more dots in the nodename, we assume that it
214 * is an FQDN and will attempt SMTP delivery to the Internet.
216 if (haschar(node, '.') > 0) {
217 return(MES_INTERNET);
220 /* Otherwise we look in the IGnet maps for a valid Citadel node.
221 * Try directly-connected nodes first...
223 ignetcfg = CtdlGetSysConfig(IGNETCFG);
224 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
225 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
226 extract_token(testnode, buf, 0, '|', sizeof testnode);
227 if (!strcasecmp(node, testnode)) {
235 * Then try nodes that are two or more hops away.
237 ignetmap = CtdlGetSysConfig(IGNETMAP);
238 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
239 extract_token(buf, ignetmap, i, '\n', sizeof buf);
240 extract_token(testnode, buf, 0, '|', sizeof testnode);
241 if (!strcasecmp(node, testnode)) {
248 /* If we get to this point it's an invalid node name */
254 * Back end for the MSGS command: output message number only.
256 void simple_listing(long msgnum, void *userdata)
258 cprintf("%ld\n", msgnum);
264 * Back end for the MSGS command: output header summary.
266 void headers_listing(long msgnum, void *userdata)
268 struct CtdlMessage *msg;
270 msg = CtdlFetchMessage(msgnum, 0);
272 cprintf("%ld|0|||||\n", msgnum);
276 cprintf("%ld|%s|%s|%s|%s|%s|\n",
278 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
279 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
280 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
281 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
282 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
284 CtdlFreeMessage(msg);
288 * Back end for the MSGS command: output EUID header.
290 void headers_euid(long msgnum, void *userdata)
292 struct CtdlMessage *msg;
294 msg = CtdlFetchMessage(msgnum, 0);
296 cprintf("%ld||\n", msgnum);
300 cprintf("%ld|%s|%s\n",
302 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
303 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
304 CtdlFreeMessage(msg);
311 /* Determine if a given message matches the fields in a message template.
312 * Return 0 for a successful match.
314 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
317 /* If there aren't any fields in the template, all messages will
320 if (template == NULL) return(0);
322 /* Null messages are bogus. */
323 if (msg == NULL) return(1);
325 for (i='A'; i<='Z'; ++i) {
326 if (template->cm_fields[i] != NULL) {
327 if (msg->cm_fields[i] == NULL) {
328 /* Considered equal if temmplate is empty string */
329 if (IsEmptyStr(template->cm_fields[i])) continue;
332 if (strcasecmp(msg->cm_fields[i],
333 template->cm_fields[i])) return 1;
337 /* All compares succeeded: we have a match! */
344 * Retrieve the "seen" message list for the current room.
346 void CtdlGetSeen(char *buf, int which_set) {
347 struct CitContext *CCC = CC;
350 /* Learn about the user and room in question */
351 CtdlGetRelationship(&vbuf, &CCC->user, &CCC->room);
353 if (which_set == ctdlsetseen_seen)
354 safestrncpy(buf, vbuf.v_seen, SIZ);
355 if (which_set == ctdlsetseen_answered)
356 safestrncpy(buf, vbuf.v_answered, SIZ);
362 * Manipulate the "seen msgs" string (or other message set strings)
364 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
365 int target_setting, int which_set,
366 struct ctdluser *which_user, struct ctdlroom *which_room) {
367 struct CitContext *CCC = CC;
368 struct cdbdata *cdbfr;
373 long hi = (-1L); /// TODO: we just write here. y?
382 char *is_set; /* actually an array of booleans */
384 /* Don't bother doing *anything* if we were passed a list of zero messages */
385 if (num_target_msgnums < 1) {
389 /* If no room was specified, we go with the current room. */
391 which_room = &CCC->room;
394 /* If no user was specified, we go with the current user. */
396 which_user = &CCC->user;
399 MSG_syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
400 num_target_msgnums, target_msgnums[0],
401 (target_setting ? "SET" : "CLEAR"),
405 /* Learn about the user and room in question */
406 CtdlGetRelationship(&vbuf, which_user, which_room);
408 /* Load the message list */
409 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
411 msglist = (long *) cdbfr->ptr;
412 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
413 num_msgs = cdbfr->len / sizeof(long);
416 return; /* No messages at all? No further action. */
419 is_set = malloc(num_msgs * sizeof(char));
420 memset(is_set, 0, (num_msgs * sizeof(char)) );
422 /* Decide which message set we're manipulating */
424 case ctdlsetseen_seen:
425 vset = NewStrBufPlain(vbuf.v_seen, -1);
427 case ctdlsetseen_answered:
428 vset = NewStrBufPlain(vbuf.v_answered, -1);
435 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
436 MSG_syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
437 for (i=0; i<num_msgs; ++i) {
438 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
440 MSG_syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
441 for (k=0; k<num_target_msgnums; ++k) {
442 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
446 MSG_syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
448 /* Translate the existing sequence set into an array of booleans */
449 setstr = NewStrBuf();
453 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
455 StrBufExtract_token(lostr, setstr, 0, ':');
456 if (StrBufNum_tokens(setstr, ':') >= 2) {
457 StrBufExtract_token(histr, setstr, 1, ':');
461 StrBufAppendBuf(histr, lostr, 0);
464 if (!strcmp(ChrPtr(histr), "*")) {
471 for (i = 0; i < num_msgs; ++i) {
472 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
482 /* Now translate the array of booleans back into a sequence set */
488 for (i=0; i<num_msgs; ++i) {
492 for (k=0; k<num_target_msgnums; ++k) {
493 if (msglist[i] == target_msgnums[k]) {
494 is_seen = target_setting;
498 if ((was_seen == 0) && (is_seen == 1)) {
501 else if ((was_seen == 1) && (is_seen == 0)) {
504 if (StrLength(vset) > 0) {
505 StrBufAppendBufPlain(vset, HKEY(","), 0);
508 StrBufAppendPrintf(vset, "%ld", hi);
511 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
515 if ((is_seen) && (i == num_msgs - 1)) {
516 if (StrLength(vset) > 0) {
517 StrBufAppendBufPlain(vset, HKEY(","), 0);
519 if ((i==0) || (was_seen == 0)) {
520 StrBufAppendPrintf(vset, "%ld", msglist[i]);
523 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
531 * We will have to stuff this string back into a 4096 byte buffer, so if it's
532 * larger than that now, truncate it by removing tokens from the beginning.
533 * The limit of 100 iterations is there to prevent an infinite loop in case
534 * something unexpected happens.
536 int number_of_truncations = 0;
537 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
538 StrBufRemove_token(vset, 0, ',');
539 ++number_of_truncations;
543 * If we're truncating the sequence set of messages marked with the 'seen' flag,
544 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
545 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
547 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
549 first_tok = NewStrBuf();
550 StrBufExtract_token(first_tok, vset, 0, ',');
551 StrBufRemove_token(vset, 0, ',');
553 if (StrBufNum_tokens(first_tok, ':') > 1) {
554 StrBufRemove_token(first_tok, 0, ':');
558 new_set = NewStrBuf();
559 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
560 StrBufAppendBuf(new_set, first_tok, 0);
561 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
562 StrBufAppendBuf(new_set, vset, 0);
565 FreeStrBuf(&first_tok);
569 MSG_syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
571 /* Decide which message set we're manipulating */
573 case ctdlsetseen_seen:
574 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
576 case ctdlsetseen_answered:
577 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
583 CtdlSetRelationship(&vbuf, which_user, which_room);
589 * API function to perform an operation for each qualifying message in the
590 * current room. (Returns the number of messages processed.)
592 int CtdlForEachMessage(int mode, long ref, char *search_string,
594 struct CtdlMessage *compare,
595 ForEachMsgCallback CallBack,
598 struct CitContext *CCC = CC;
601 struct cdbdata *cdbfr;
602 long *msglist = NULL;
604 int num_processed = 0;
607 struct CtdlMessage *msg = NULL;
610 int printed_lastold = 0;
611 int num_search_msgs = 0;
612 long *search_msgs = NULL;
614 int need_to_free_re = 0;
617 if ((content_type) && (!IsEmptyStr(content_type))) {
618 regcomp(&re, content_type, 0);
622 /* Learn about the user and room in question */
623 if (server_shutting_down) {
624 if (need_to_free_re) regfree(&re);
627 CtdlGetUser(&CCC->user, CCC->curr_user);
629 if (server_shutting_down) {
630 if (need_to_free_re) regfree(&re);
633 CtdlGetRelationship(&vbuf, &CCC->user, &CCC->room);
635 if (server_shutting_down) {
636 if (need_to_free_re) regfree(&re);
640 /* Load the message list */
641 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
643 if (need_to_free_re) regfree(&re);
644 return 0; /* No messages at all? No further action. */
647 msglist = (long *) cdbfr->ptr;
648 num_msgs = cdbfr->len / sizeof(long);
650 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
651 cdb_free(cdbfr); /* we own this memory now */
654 * Now begin the traversal.
656 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
658 /* If the caller is looking for a specific MIME type, filter
659 * out all messages which are not of the type requested.
661 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
663 /* This call to GetMetaData() sits inside this loop
664 * so that we only do the extra database read per msg
665 * if we need to. Doing the extra read all the time
666 * really kills the server. If we ever need to use
667 * metadata for another search criterion, we need to
668 * move the read somewhere else -- but still be smart
669 * enough to only do the read if the caller has
670 * specified something that will need it.
672 if (server_shutting_down) {
673 if (need_to_free_re) regfree(&re);
677 GetMetaData(&smi, msglist[a]);
679 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
680 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
686 num_msgs = sort_msglist(msglist, num_msgs);
688 /* If a template was supplied, filter out the messages which
689 * don't match. (This could induce some delays!)
692 if (compare != NULL) {
693 for (a = 0; a < num_msgs; ++a) {
694 if (server_shutting_down) {
695 if (need_to_free_re) regfree(&re);
699 msg = CtdlFetchMessage(msglist[a], 1);
701 if (CtdlMsgCmp(msg, compare)) {
704 CtdlFreeMessage(msg);
710 /* If a search string was specified, get a message list from
711 * the full text index and remove messages which aren't on both
715 * Since the lists are sorted and strictly ascending, and the
716 * output list is guaranteed to be shorter than or equal to the
717 * input list, we overwrite the bottom of the input list. This
718 * eliminates the need to memmove big chunks of the list over and
721 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
723 /* Call search module via hook mechanism.
724 * NULL means use any search function available.
725 * otherwise replace with a char * to name of search routine
727 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
729 if (num_search_msgs > 0) {
733 orig_num_msgs = num_msgs;
735 for (i=0; i<orig_num_msgs; ++i) {
736 for (j=0; j<num_search_msgs; ++j) {
737 if (msglist[i] == search_msgs[j]) {
738 msglist[num_msgs++] = msglist[i];
744 num_msgs = 0; /* No messages qualify */
746 if (search_msgs != NULL) free(search_msgs);
748 /* Now that we've purged messages which don't contain the search
749 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
756 * Now iterate through the message list, according to the
757 * criteria supplied by the caller.
760 for (a = 0; a < num_msgs; ++a) {
761 if (server_shutting_down) {
762 if (need_to_free_re) regfree(&re);
764 return num_processed;
766 thismsg = msglist[a];
767 if (mode == MSGS_ALL) {
771 is_seen = is_msg_in_sequence_set(
772 vbuf.v_seen, thismsg);
773 if (is_seen) lastold = thismsg;
779 || ((mode == MSGS_OLD) && (is_seen))
780 || ((mode == MSGS_NEW) && (!is_seen))
781 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
782 || ((mode == MSGS_FIRST) && (a < ref))
783 || ((mode == MSGS_GT) && (thismsg > ref))
784 || ((mode == MSGS_LT) && (thismsg < ref))
785 || ((mode == MSGS_EQ) && (thismsg == ref))
788 if ((mode == MSGS_NEW) && (CCC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
790 CallBack(lastold, userdata);
794 if (CallBack) CallBack(thismsg, userdata);
798 if (need_to_free_re) regfree(&re);
801 * We cache the most recent msglist in order to do security checks later
803 if (CCC->client_socket > 0) {
804 if (CCC->cached_msglist != NULL) {
805 free(CCC->cached_msglist);
807 CCC->cached_msglist = msglist;
808 CCC->cached_num_msgs = num_msgs;
814 return num_processed;
820 * cmd_msgs() - get list of message #'s in this room
821 * implements the MSGS server command using CtdlForEachMessage()
823 void cmd_msgs(char *cmdbuf)
832 int with_template = 0;
833 struct CtdlMessage *template = NULL;
834 char search_string[1024];
835 ForEachMsgCallback CallBack;
837 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
839 extract_token(which, cmdbuf, 0, '|', sizeof which);
840 cm_ref = extract_int(cmdbuf, 1);
841 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
842 with_template = extract_int(cmdbuf, 2);
843 switch (extract_int(cmdbuf, 3))
847 CallBack = simple_listing;
850 CallBack = headers_listing;
853 CallBack = headers_euid;
858 if (!strncasecmp(which, "OLD", 3))
860 else if (!strncasecmp(which, "NEW", 3))
862 else if (!strncasecmp(which, "FIRST", 5))
864 else if (!strncasecmp(which, "LAST", 4))
866 else if (!strncasecmp(which, "GT", 2))
868 else if (!strncasecmp(which, "LT", 2))
870 else if (!strncasecmp(which, "SEARCH", 6))
875 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
876 cprintf("%d Full text index is not enabled on this server.\n",
877 ERROR + CMD_NOT_SUPPORTED);
883 cprintf("%d Send template then receive message list\n",
885 template = (struct CtdlMessage *)
886 malloc(sizeof(struct CtdlMessage));
887 memset(template, 0, sizeof(struct CtdlMessage));
888 template->cm_magic = CTDLMESSAGE_MAGIC;
889 template->cm_anon_type = MES_NORMAL;
891 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
892 extract_token(tfield, buf, 0, '|', sizeof tfield);
893 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
894 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
895 if (!strcasecmp(tfield, msgkeys[i])) {
896 template->cm_fields[i] =
904 cprintf("%d \n", LISTING_FOLLOWS);
907 CtdlForEachMessage(mode,
908 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
909 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
914 if (template != NULL) CtdlFreeMessage(template);
922 * help_subst() - support routine for help file viewer
924 void help_subst(char *strbuf, char *source, char *dest)
929 while (p = pattern2(strbuf, source), (p >= 0)) {
930 strcpy(workbuf, &strbuf[p + strlen(source)]);
931 strcpy(&strbuf[p], dest);
932 strcat(strbuf, workbuf);
937 void do_help_subst(char *buffer)
941 help_subst(buffer, "^nodename", config.c_nodename);
942 help_subst(buffer, "^humannode", config.c_humannode);
943 help_subst(buffer, "^fqdn", config.c_fqdn);
944 help_subst(buffer, "^username", CC->user.fullname);
945 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
946 help_subst(buffer, "^usernum", buf2);
947 help_subst(buffer, "^sysadm", config.c_sysadm);
948 help_subst(buffer, "^variantname", CITADEL);
949 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
950 help_subst(buffer, "^maxsessions", buf2);
951 help_subst(buffer, "^bbsdir", ctdl_message_dir);
957 * memfmout() - Citadel text formatter and paginator.
958 * Although the original purpose of this routine was to format
959 * text to the reader's screen width, all we're really using it
960 * for here is to format text out to 80 columns before sending it
961 * to the client. The client software may reformat it again.
964 char *mptr, /* where are we going to get our text from? */
965 const char *nl /* string to terminate lines with */
967 struct CitContext *CCC = CC;
969 unsigned char ch = 0;
976 while (ch=*(mptr++), ch != 0) {
979 if (client_write(outbuf, len) == -1)
981 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
985 if (client_write(nl, nllen) == -1)
987 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
992 else if (ch == '\r') {
993 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
995 else if (isspace(ch)) {
996 if (column > 72) { /* Beyond 72 columns, break on the next space */
997 if (client_write(outbuf, len) == -1)
999 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1003 if (client_write(nl, nllen) == -1)
1005 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1018 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
1019 if (client_write(outbuf, len) == -1)
1021 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1025 if (client_write(nl, nllen) == -1)
1027 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1035 if (client_write(outbuf, len) == -1)
1037 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1041 client_write(nl, nllen);
1049 * Callback function for mime parser that simply lists the part
1051 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1052 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1053 char *cbid, void *cbuserdata)
1057 ma = (struct ma_info *)cbuserdata;
1058 if (ma->is_ma == 0) {
1059 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1072 * Callback function for multipart prefix
1074 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1075 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1076 char *cbid, void *cbuserdata)
1080 ma = (struct ma_info *)cbuserdata;
1081 if (!strcasecmp(cbtype, "multipart/alternative")) {
1085 if (ma->is_ma == 0) {
1086 cprintf("pref=%s|%s\n", partnum, cbtype);
1091 * Callback function for multipart sufffix
1093 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1094 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1095 char *cbid, void *cbuserdata)
1099 ma = (struct ma_info *)cbuserdata;
1100 if (ma->is_ma == 0) {
1101 cprintf("suff=%s|%s\n", partnum, cbtype);
1103 if (!strcasecmp(cbtype, "multipart/alternative")) {
1110 * Callback function for mime parser that opens a section for downloading
1112 void mime_download(char *name, char *filename, char *partnum, char *disp,
1113 void *content, char *cbtype, char *cbcharset, size_t length,
1114 char *encoding, char *cbid, void *cbuserdata)
1117 CitContext *CCC = MyContext();
1119 /* Silently go away if there's already a download open. */
1120 if (CCC->download_fp != NULL)
1124 (!IsEmptyStr(partnum) && (!strcasecmp(CCC->download_desired_section, partnum)))
1125 || (!IsEmptyStr(cbid) && (!strcasecmp(CCC->download_desired_section, cbid)))
1127 CCC->download_fp = tmpfile();
1128 if (CCC->download_fp == NULL) {
1129 MSG_syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1131 cprintf("%d cannot open temporary file: %s\n",
1132 ERROR + INTERNAL_ERROR, strerror(errno));
1136 rv = fwrite(content, length, 1, CC->download_fp);
1138 MSG_syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1140 cprintf("%d unable to write tempfile.\n",
1142 fclose(CCC->download_fp);
1143 CCC->download_fp = NULL;
1146 fflush(CCC->download_fp);
1147 rewind(CCC->download_fp);
1149 OpenCmdResult(filename, cbtype);
1156 * Callback function for mime parser that outputs a section all at once.
1157 * We can specify the desired section by part number *or* content-id.
1159 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1160 void *content, char *cbtype, char *cbcharset, size_t length,
1161 char *encoding, char *cbid, void *cbuserdata)
1163 int *found_it = (int *)cbuserdata;
1166 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1167 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1170 cprintf("%d %d|-1|%s|%s|%s\n",
1177 client_write(content, length);
1183 * Load a message from disk into memory.
1184 * This is used by CtdlOutputMsg() and other fetch functions.
1186 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1187 * using the CtdlMessageFree() function.
1189 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1191 struct CitContext *CCC = CC;
1192 struct cdbdata *dmsgtext;
1193 struct CtdlMessage *ret = NULL;
1197 cit_uint8_t field_header;
1199 MSG_syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1200 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1201 if (dmsgtext == NULL) {
1204 mptr = dmsgtext->ptr;
1205 upper_bound = mptr + dmsgtext->len;
1207 /* Parse the three bytes that begin EVERY message on disk.
1208 * The first is always 0xFF, the on-disk magic number.
1209 * The second is the anonymous/public type byte.
1210 * The third is the format type byte (vari, fixed, or MIME).
1214 MSG_syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1218 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1219 memset(ret, 0, sizeof(struct CtdlMessage));
1221 ret->cm_magic = CTDLMESSAGE_MAGIC;
1222 ret->cm_anon_type = *mptr++; /* Anon type byte */
1223 ret->cm_format_type = *mptr++; /* Format type byte */
1226 * The rest is zero or more arbitrary fields. Load them in.
1227 * We're done when we encounter either a zero-length field or
1228 * have just processed the 'M' (message text) field.
1231 if (mptr >= upper_bound) {
1234 field_header = *mptr++;
1235 ret->cm_fields[field_header] = strdup(mptr);
1237 while (*mptr++ != 0); /* advance to next field */
1239 } while ((mptr < upper_bound) && (field_header != 'M'));
1243 /* Always make sure there's something in the msg text field. If
1244 * it's NULL, the message text is most likely stored separately,
1245 * so go ahead and fetch that. Failing that, just set a dummy
1246 * body so other code doesn't barf.
1248 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1249 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1250 if (dmsgtext != NULL) {
1251 ret->cm_fields['M'] = dmsgtext->ptr;
1252 dmsgtext->ptr = NULL;
1256 if (ret->cm_fields['M'] == NULL) {
1257 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1260 /* Perform "before read" hooks (aborting if any return nonzero) */
1261 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1262 CtdlFreeMessage(ret);
1271 * Returns 1 if the supplied pointer points to a valid Citadel message.
1272 * If the pointer is NULL or the magic number check fails, returns 0.
1274 int is_valid_message(struct CtdlMessage *msg) {
1277 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1278 struct CitContext *CCC = CC;
1279 MSGM_syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1285 void CtdlFreeMessageContents(struct CtdlMessage *msg)
1289 for (i = 0; i < 256; ++i)
1290 if (msg->cm_fields[i] != NULL) {
1291 free(msg->cm_fields[i]);
1294 msg->cm_magic = 0; /* just in case */
1297 * 'Destructor' for struct CtdlMessage
1299 void CtdlFreeMessage(struct CtdlMessage *msg)
1301 if (is_valid_message(msg) == 0)
1303 if (msg != NULL) free (msg);
1306 CtdlFreeMessageContents(msg);
1312 * Pre callback function for multipart/alternative
1314 * NOTE: this differs from the standard behavior for a reason. Normally when
1315 * displaying multipart/alternative you want to show the _last_ usable
1316 * format in the message. Here we show the _first_ one, because it's
1317 * usually text/plain. Since this set of functions is designed for text
1318 * output to non-MIME-aware clients, this is the desired behavior.
1321 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1322 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1323 char *cbid, void *cbuserdata)
1325 struct CitContext *CCC = CC;
1328 ma = (struct ma_info *)cbuserdata;
1329 MSG_syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1330 if (!strcasecmp(cbtype, "multipart/alternative")) {
1334 if (!strcasecmp(cbtype, "message/rfc822")) {
1340 * Post callback function for multipart/alternative
1342 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1343 void *content, char *cbtype, char *cbcharset, size_t length,
1344 char *encoding, char *cbid, void *cbuserdata)
1346 struct CitContext *CCC = CC;
1349 ma = (struct ma_info *)cbuserdata;
1350 MSG_syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1351 if (!strcasecmp(cbtype, "multipart/alternative")) {
1355 if (!strcasecmp(cbtype, "message/rfc822")) {
1361 * Inline callback function for mime parser that wants to display text
1363 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1364 void *content, char *cbtype, char *cbcharset, size_t length,
1365 char *encoding, char *cbid, void *cbuserdata)
1367 struct CitContext *CCC = CC;
1373 ma = (struct ma_info *)cbuserdata;
1375 MSG_syslog(LOG_DEBUG,
1376 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1377 partnum, filename, cbtype, (long)length);
1380 * If we're in the middle of a multipart/alternative scope and
1381 * we've already printed another section, skip this one.
1383 if ( (ma->is_ma) && (ma->did_print) ) {
1384 MSG_syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1389 if ( (!strcasecmp(cbtype, "text/plain"))
1390 || (IsEmptyStr(cbtype)) ) {
1393 client_write(wptr, length);
1394 if (wptr[length-1] != '\n') {
1401 if (!strcasecmp(cbtype, "text/html")) {
1402 ptr = html_to_ascii(content, length, 80, 0);
1404 client_write(ptr, wlen);
1405 if ((wlen > 0) && (ptr[wlen-1] != '\n')) {
1412 if (ma->use_fo_hooks) {
1413 if (PerformFixedOutputHooks(cbtype, content, length)) {
1414 /* above function returns nonzero if it handled the part */
1419 if (strncasecmp(cbtype, "multipart/", 10)) {
1420 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1421 partnum, filename, cbtype, (long)length);
1427 * The client is elegant and sophisticated and wants to be choosy about
1428 * MIME content types, so figure out which multipart/alternative part
1429 * we're going to send.
1431 * We use a system of weights. When we find a part that matches one of the
1432 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1433 * and then set ma->chosen_pref to that MIME type's position in our preference
1434 * list. If we then hit another match, we only replace the first match if
1435 * the preference value is lower.
1437 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1438 void *content, char *cbtype, char *cbcharset, size_t length,
1439 char *encoding, char *cbid, void *cbuserdata)
1441 struct CitContext *CCC = CC;
1446 ma = (struct ma_info *)cbuserdata;
1448 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1449 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1450 // I don't know if there are any side effects! Please TEST TEST TEST
1451 //if (ma->is_ma > 0) {
1453 for (i=0; i<num_tokens(CCC->preferred_formats, '|'); ++i) {
1454 extract_token(buf, CCC->preferred_formats, i, '|', sizeof buf);
1455 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1456 if (i < ma->chosen_pref) {
1457 MSG_syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1458 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1459 ma->chosen_pref = i;
1466 * Now that we've chosen our preferred part, output it.
1468 void output_preferred(char *name,
1480 struct CitContext *CCC = CC;
1483 int add_newline = 0;
1486 char *decoded = NULL;
1487 size_t bytes_decoded;
1490 ma = (struct ma_info *)cbuserdata;
1492 /* This is not the MIME part you're looking for... */
1493 if (strcasecmp(partnum, ma->chosen_part)) return;
1495 /* If the content-type of this part is in our preferred formats
1496 * list, we can simply output it verbatim.
1498 for (i=0; i<num_tokens(CCC->preferred_formats, '|'); ++i) {
1499 extract_token(buf, CCC->preferred_formats, i, '|', sizeof buf);
1500 if (!strcasecmp(buf, cbtype)) {
1501 /* Yeah! Go! W00t!! */
1502 if (ma->dont_decode == 0)
1503 rc = mime_decode_now (content,
1509 break; /* Give us the chance, maybe theres another one. */
1511 if (rc == 0) text_content = (char *)content;
1513 text_content = decoded;
1514 length = bytes_decoded;
1517 if (text_content[length-1] != '\n') {
1520 cprintf("Content-type: %s", cbtype);
1521 if (!IsEmptyStr(cbcharset)) {
1522 cprintf("; charset=%s", cbcharset);
1524 cprintf("\nContent-length: %d\n",
1525 (int)(length + add_newline) );
1526 if (!IsEmptyStr(encoding)) {
1527 cprintf("Content-transfer-encoding: %s\n", encoding);
1530 cprintf("Content-transfer-encoding: 7bit\n");
1532 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1534 if (client_write(text_content, length) == -1)
1536 MSGM_syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1539 if (add_newline) cprintf("\n");
1540 if (decoded != NULL) free(decoded);
1545 /* No translations required or possible: output as text/plain */
1546 cprintf("Content-type: text/plain\n\n");
1548 if (ma->dont_decode == 0)
1549 rc = mime_decode_now (content,
1555 return; /* Give us the chance, maybe theres another one. */
1557 if (rc == 0) text_content = (char *)content;
1559 text_content = decoded;
1560 length = bytes_decoded;
1563 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1564 length, encoding, cbid, cbuserdata);
1565 if (decoded != NULL) free(decoded);
1570 char desired_section[64];
1577 * Callback function for
1579 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1580 void *content, char *cbtype, char *cbcharset, size_t length,
1581 char *encoding, char *cbid, void *cbuserdata)
1583 struct encapmsg *encap;
1585 encap = (struct encapmsg *)cbuserdata;
1587 /* Only proceed if this is the desired section... */
1588 if (!strcasecmp(encap->desired_section, partnum)) {
1589 encap->msglen = length;
1590 encap->msg = malloc(length + 2);
1591 memcpy(encap->msg, content, length);
1598 * Determine whether the specified message exists in the cached_msglist
1599 * (This is a security check)
1601 int check_cached_msglist(long msgnum) {
1602 struct CitContext *CCC = CC;
1604 /* cases in which we skip the check */
1605 if (!CCC) return om_ok; /* not a session */
1606 if (CCC->client_socket <= 0) return om_ok; /* not a client session */
1607 if (CCC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1608 if (CCC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1611 /* Do a binary search within the cached_msglist for the requested msgnum */
1613 int max = (CC->cached_num_msgs - 1);
1615 while (max >= min) {
1616 int middle = min + (max-min) / 2 ;
1617 if (msgnum == CCC->cached_msglist[middle]) {
1620 if (msgnum > CC->cached_msglist[middle]) {
1628 return om_access_denied;
1633 * Determine whether the currently logged in session has permission to read
1634 * messages in the current room.
1636 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1637 if ( (!(CC->logged_in))
1638 && (!(CC->internal_pgm))
1639 && (!config.c_guest_logins)
1641 return(om_not_logged_in);
1648 * Get a message off disk. (returns om_* values found in msgbase.h)
1651 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1652 int mode, /* how would you like that message? */
1653 int headers_only, /* eschew the message body? */
1654 int do_proto, /* do Citadel protocol responses? */
1655 int crlf, /* Use CRLF newlines instead of LF? */
1656 char *section, /* NULL or a message/rfc822 section */
1657 int flags /* various flags; see msgbase.h */
1659 struct CitContext *CCC = CC;
1660 struct CtdlMessage *TheMessage = NULL;
1661 int retcode = CIT_OK;
1662 struct encapmsg encap;
1665 MSG_syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1667 (section ? section : "<>")
1670 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1673 if (r == om_not_logged_in) {
1674 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1677 cprintf("%d An unknown error has occurred.\n", ERROR);
1684 * Check to make sure the message is actually IN this room
1686 r = check_cached_msglist(msg_num);
1687 if (r == om_access_denied) {
1688 /* Not in the cache? We get ONE shot to check it again. */
1689 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1690 r = check_cached_msglist(msg_num);
1693 MSG_syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1694 msg_num, CCC->room.QRname
1697 if (r == om_access_denied) {
1698 cprintf("%d message %ld was not found in this room\n",
1699 ERROR + HIGHER_ACCESS_REQUIRED,
1708 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1709 * request that we don't even bother loading the body into memory.
1711 if (headers_only == HEADERS_FAST) {
1712 TheMessage = CtdlFetchMessage(msg_num, 0);
1715 TheMessage = CtdlFetchMessage(msg_num, 1);
1718 if (TheMessage == NULL) {
1719 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1720 ERROR + MESSAGE_NOT_FOUND, msg_num);
1721 return(om_no_such_msg);
1724 /* Here is the weird form of this command, to process only an
1725 * encapsulated message/rfc822 section.
1727 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1728 memset(&encap, 0, sizeof encap);
1729 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1730 mime_parser(TheMessage->cm_fields['M'],
1732 *extract_encapsulated_message,
1733 NULL, NULL, (void *)&encap, 0
1735 CtdlFreeMessage(TheMessage);
1739 encap.msg[encap.msglen] = 0;
1740 TheMessage = convert_internet_message(encap.msg);
1741 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1743 /* Now we let it fall through to the bottom of this
1744 * function, because TheMessage now contains the
1745 * encapsulated message instead of the top-level
1746 * message. Isn't that neat?
1752 cprintf("%d msg %ld has no part %s\n",
1753 ERROR + MESSAGE_NOT_FOUND,
1757 retcode = om_no_such_msg;
1762 /* Ok, output the message now */
1763 if (retcode == CIT_OK)
1764 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1765 CtdlFreeMessage(TheMessage);
1771 char *qp_encode_email_addrs(char *source)
1773 struct CitContext *CCC = CC;
1774 char *user, *node, *name;
1775 const char headerStr[] = "=?UTF-8?Q?";
1779 int need_to_encode = 0;
1785 long nAddrPtrMax = 50;
1790 if (source == NULL) return source;
1791 if (IsEmptyStr(source)) return source;
1793 MSG_syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1795 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1796 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1797 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1800 while (!IsEmptyStr (&source[i])) {
1801 if (nColons >= nAddrPtrMax){
1804 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1805 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1806 free (AddrPtr), AddrPtr = ptr;
1808 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1809 memset(&ptr[nAddrPtrMax], 0,
1810 sizeof (long) * nAddrPtrMax);
1812 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1813 free (AddrUtf8), AddrUtf8 = ptr;
1816 if (((unsigned char) source[i] < 32) ||
1817 ((unsigned char) source[i] > 126)) {
1819 AddrUtf8[nColons] = 1;
1821 if (source[i] == '"')
1822 InQuotes = !InQuotes;
1823 if (!InQuotes && source[i] == ',') {
1824 AddrPtr[nColons] = i;
1829 if (need_to_encode == 0) {
1836 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1837 Encoded = (char*) malloc (EncodedMaxLen);
1839 for (i = 0; i < nColons; i++)
1840 source[AddrPtr[i]++] = '\0';
1841 /* TODO: if libidn, this might get larger*/
1842 user = malloc(SourceLen + 1);
1843 node = malloc(SourceLen + 1);
1844 name = malloc(SourceLen + 1);
1848 for (i = 0; i < nColons && nPtr != NULL; i++) {
1849 nmax = EncodedMaxLen - (nPtr - Encoded);
1851 process_rfc822_addr(&source[AddrPtr[i]],
1855 /* TODO: libIDN here ! */
1856 if (IsEmptyStr(name)) {
1857 n = snprintf(nPtr, nmax,
1858 (i==0)?"%s@%s" : ",%s@%s",
1862 EncodedName = rfc2047encode(name, strlen(name));
1863 n = snprintf(nPtr, nmax,
1864 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1865 EncodedName, user, node);
1870 n = snprintf(nPtr, nmax,
1871 (i==0)?"%s" : ",%s",
1872 &source[AddrPtr[i]]);
1878 ptr = (char*) malloc(EncodedMaxLen * 2);
1879 memcpy(ptr, Encoded, EncodedMaxLen);
1880 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1881 free(Encoded), Encoded = ptr;
1883 i--; /* do it once more with properly lengthened buffer */
1886 for (i = 0; i < nColons; i++)
1887 source[--AddrPtr[i]] = ',';
1898 /* If the last item in a list of recipients was truncated to a partial address,
1899 * remove it completely in order to avoid choking libSieve
1901 void sanitize_truncated_recipient(char *str)
1904 if (num_tokens(str, ',') < 2) return;
1906 int len = strlen(str);
1907 if (len < 900) return;
1908 if (len > 998) str[998] = 0;
1910 char *cptr = strrchr(str, ',');
1913 char *lptr = strchr(cptr, '<');
1914 char *rptr = strchr(cptr, '>');
1916 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1922 void OutputCtdlMsgHeaders(
1923 struct CtdlMessage *TheMessage,
1924 int do_proto) /* do Citadel protocol responses? */
1930 char display_name[256];
1932 /* begin header processing loop for Citadel message format */
1933 safestrncpy(display_name, "<unknown>", sizeof display_name);
1934 if (TheMessage->cm_fields['A']) {
1935 strcpy(buf, TheMessage->cm_fields['A']);
1936 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1937 safestrncpy(display_name, "****", sizeof display_name);
1939 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1940 safestrncpy(display_name, "anonymous", sizeof display_name);
1943 safestrncpy(display_name, buf, sizeof display_name);
1945 if ((is_room_aide())
1946 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1947 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1948 size_t tmp = strlen(display_name);
1949 snprintf(&display_name[tmp],
1950 sizeof display_name - tmp,
1955 /* Don't show Internet address for users on the
1956 * local Citadel network.
1959 if (TheMessage->cm_fields['N'] != NULL)
1960 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1961 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1965 /* Now spew the header fields in the order we like them. */
1966 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1967 for (i=0; i<n; ++i) {
1968 k = (int) allkeys[i];
1970 if ( (TheMessage->cm_fields[k] != NULL)
1971 && (msgkeys[k] != NULL) ) {
1972 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1973 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1976 if (do_proto) cprintf("%s=%s\n",
1980 else if ((k == 'F') && (suppress_f)) {
1983 /* Masquerade display name if needed */
1985 if (do_proto) cprintf("%s=%s\n",
1987 TheMessage->cm_fields[k]
1996 void OutputRFC822MsgHeaders(
1997 struct CtdlMessage *TheMessage,
1998 int flags, /* should the bessage be exported clean */
2000 char *mid, long sizeof_mid,
2001 char *suser, long sizeof_suser,
2002 char *luser, long sizeof_luser,
2003 char *fuser, long sizeof_fuser,
2004 char *snode, long sizeof_snode)
2006 char datestamp[100];
2007 int subject_found = 0;
2014 for (i = 0; i < 256; ++i) {
2015 if (TheMessage->cm_fields[i]) {
2016 mptr = mpptr = TheMessage->cm_fields[i];
2019 safestrncpy(luser, mptr, sizeof_luser);
2020 safestrncpy(suser, mptr, sizeof_suser);
2022 else if (i == 'Y') {
2023 if ((flags & QP_EADDR) != 0) {
2024 mptr = qp_encode_email_addrs(mptr);
2026 sanitize_truncated_recipient(mptr);
2027 cprintf("CC: %s%s", mptr, nl);
2029 else if (i == 'P') {
2030 cprintf("Return-Path: %s%s", mptr, nl);
2032 else if (i == 'L') {
2033 cprintf("List-ID: %s%s", mptr, nl);
2035 else if (i == 'V') {
2036 if ((flags & QP_EADDR) != 0)
2037 mptr = qp_encode_email_addrs(mptr);
2039 while ((*hptr != '\0') && isspace(*hptr))
2041 if (!IsEmptyStr(hptr))
2042 cprintf("Envelope-To: %s%s", hptr, nl);
2044 else if (i == 'U') {
2045 cprintf("Subject: %s%s", mptr, nl);
2049 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2051 safestrncpy(fuser, mptr, sizeof_fuser);
2052 /* else if (i == 'O')
2053 cprintf("X-Citadel-Room: %s%s",
2056 safestrncpy(snode, mptr, sizeof_snode);
2059 if (haschar(mptr, '@') == 0)
2061 sanitize_truncated_recipient(mptr);
2062 cprintf("To: %s@%s", mptr, config.c_fqdn);
2067 if ((flags & QP_EADDR) != 0) {
2068 mptr = qp_encode_email_addrs(mptr);
2070 sanitize_truncated_recipient(mptr);
2071 cprintf("To: %s", mptr);
2075 else if (i == 'T') {
2076 datestring(datestamp, sizeof datestamp,
2077 atol(mptr), DATESTRING_RFC822);
2078 cprintf("Date: %s%s", datestamp, nl);
2080 else if (i == 'W') {
2081 cprintf("References: ");
2082 k = num_tokens(mptr, '|');
2083 for (j=0; j<k; ++j) {
2084 extract_token(buf, mptr, j, '|', sizeof buf);
2085 cprintf("<%s>", buf);
2094 else if (i == 'K') {
2096 while ((*hptr != '\0') && isspace(*hptr))
2098 if (!IsEmptyStr(hptr))
2099 cprintf("Reply-To: %s%s", mptr, nl);
2105 if (subject_found == 0) {
2106 cprintf("Subject: (no subject)%s", nl);
2111 void Dump_RFC822HeadersBody(
2112 struct CtdlMessage *TheMessage,
2113 int headers_only, /* eschew the message body? */
2114 int flags, /* should the bessage be exported clean? */
2118 cit_uint8_t prev_ch;
2120 const char *StartOfText = StrBufNOTNULL;
2123 int nllen = strlen(nl);
2126 mptr = TheMessage->cm_fields['M'];
2130 while (*mptr != '\0') {
2131 if (*mptr == '\r') {
2138 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2140 eoh = *(mptr+1) == '\n';
2144 StartOfText = strchr(StartOfText, '\n');
2145 StartOfText = strchr(StartOfText, '\n');
2148 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2149 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2150 ((headers_only != HEADERS_NONE) &&
2151 (headers_only != HEADERS_ONLY))
2153 if (*mptr == '\n') {
2154 memcpy(&outbuf[outlen], nl, nllen);
2156 outbuf[outlen] = '\0';
2159 outbuf[outlen++] = *mptr;
2163 if (flags & ESC_DOT)
2165 if ((prev_ch == '\n') &&
2167 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2169 outbuf[outlen++] = '.';
2174 if (outlen > 1000) {
2175 if (client_write(outbuf, outlen) == -1)
2177 struct CitContext *CCC = CC;
2178 MSGM_syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2185 client_write(outbuf, outlen);
2191 /* If the format type on disk is 1 (fixed-format), then we want
2192 * everything to be output completely literally ... regardless of
2193 * what message transfer format is in use.
2195 void DumpFormatFixed(
2196 struct CtdlMessage *TheMessage,
2197 int mode, /* how would you like that message? */
2204 int nllen = strlen (nl);
2207 mptr = TheMessage->cm_fields['M'];
2209 if (mode == MT_MIME) {
2210 cprintf("Content-type: text/plain\n\n");
2214 while (ch = *mptr++, ch > 0) {
2218 if ((buflen > 250) && (!xlline)){
2222 while ((buflen > 0) &&
2223 (!isspace(buf[buflen])))
2229 mptr -= tbuflen - buflen;
2234 /* if we reach the outer bounds of our buffer,
2235 abort without respect what whe purge. */
2238 (buflen > SIZ - nllen - 2)))
2242 memcpy (&buf[buflen], nl, nllen);
2246 if (client_write(buf, buflen) == -1)
2248 struct CitContext *CCC = CC;
2249 MSGM_syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2261 if (!IsEmptyStr(buf))
2262 cprintf("%s%s", buf, nl);
2266 * Get a message off disk. (returns om_* values found in msgbase.h)
2268 int CtdlOutputPreLoadedMsg(
2269 struct CtdlMessage *TheMessage,
2270 int mode, /* how would you like that message? */
2271 int headers_only, /* eschew the message body? */
2272 int do_proto, /* do Citadel protocol responses? */
2273 int crlf, /* Use CRLF newlines instead of LF? */
2274 int flags /* should the bessage be exported clean? */
2276 struct CitContext *CCC = CC;
2279 const char *nl; /* newline string */
2282 /* Buffers needed for RFC822 translation. These are all filled
2283 * using functions that are bounds-checked, and therefore we can
2284 * make them substantially smaller than SIZ.
2292 MSG_syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2293 ((TheMessage == NULL) ? "NULL" : "not null"),
2294 mode, headers_only, do_proto, crlf);
2296 strcpy(mid, "unknown");
2297 nl = (crlf ? "\r\n" : "\n");
2299 if (!is_valid_message(TheMessage)) {
2300 MSGM_syslog(LOG_ERR,
2301 "ERROR: invalid preloaded message for output\n");
2303 return(om_no_such_msg);
2306 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2307 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2309 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2310 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2313 /* Are we downloading a MIME component? */
2314 if (mode == MT_DOWNLOAD) {
2315 if (TheMessage->cm_format_type != FMT_RFC822) {
2317 cprintf("%d This is not a MIME message.\n",
2318 ERROR + ILLEGAL_VALUE);
2319 } else if (CCC->download_fp != NULL) {
2320 if (do_proto) cprintf(
2321 "%d You already have a download open.\n",
2322 ERROR + RESOURCE_BUSY);
2324 /* Parse the message text component */
2325 mptr = TheMessage->cm_fields['M'];
2326 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2327 /* If there's no file open by this time, the requested
2328 * section wasn't found, so print an error
2330 if (CCC->download_fp == NULL) {
2331 if (do_proto) cprintf(
2332 "%d Section %s not found.\n",
2333 ERROR + FILE_NOT_FOUND,
2334 CCC->download_desired_section);
2337 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2340 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2341 * in a single server operation instead of opening a download file.
2343 if (mode == MT_SPEW_SECTION) {
2344 if (TheMessage->cm_format_type != FMT_RFC822) {
2346 cprintf("%d This is not a MIME message.\n",
2347 ERROR + ILLEGAL_VALUE);
2349 /* Parse the message text component */
2352 mptr = TheMessage->cm_fields['M'];
2353 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2354 /* If section wasn't found, print an error
2357 if (do_proto) cprintf(
2358 "%d Section %s not found.\n",
2359 ERROR + FILE_NOT_FOUND,
2360 CCC->download_desired_section);
2363 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2366 /* now for the user-mode message reading loops */
2367 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2369 /* Does the caller want to skip the headers? */
2370 if (headers_only == HEADERS_NONE) goto START_TEXT;
2372 /* Tell the client which format type we're using. */
2373 if ( (mode == MT_CITADEL) && (do_proto) ) {
2374 cprintf("type=%d\n", TheMessage->cm_format_type);
2377 /* nhdr=yes means that we're only displaying headers, no body */
2378 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2379 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2382 cprintf("nhdr=yes\n");
2385 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2386 OutputCtdlMsgHeaders(TheMessage, do_proto);
2389 /* begin header processing loop for RFC822 transfer format */
2393 strcpy(snode, NODENAME);
2394 if (mode == MT_RFC822)
2395 OutputRFC822MsgHeaders(
2400 suser, sizeof(suser),
2401 luser, sizeof(luser),
2402 fuser, sizeof(fuser),
2403 snode, sizeof(snode)
2407 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2408 suser[i] = tolower(suser[i]);
2409 if (!isalnum(suser[i])) suser[i]='_';
2412 if (mode == MT_RFC822) {
2413 if (!strcasecmp(snode, NODENAME)) {
2414 safestrncpy(snode, FQDN, sizeof snode);
2417 /* Construct a fun message id */
2418 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2419 if (strchr(mid, '@')==NULL) {
2420 cprintf("@%s", snode);
2424 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2425 cprintf("From: \"----\" <x@x.org>%s", nl);
2427 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2428 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2430 else if (!IsEmptyStr(fuser)) {
2431 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2434 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2437 /* Blank line signifying RFC822 end-of-headers */
2438 if (TheMessage->cm_format_type != FMT_RFC822) {
2443 /* end header processing loop ... at this point, we're in the text */
2445 if (headers_only == HEADERS_FAST) goto DONE;
2447 /* Tell the client about the MIME parts in this message */
2448 if (TheMessage->cm_format_type == FMT_RFC822) {
2449 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2450 mptr = TheMessage->cm_fields['M'];
2451 memset(&ma, 0, sizeof(struct ma_info));
2452 mime_parser(mptr, NULL,
2453 (do_proto ? *list_this_part : NULL),
2454 (do_proto ? *list_this_pref : NULL),
2455 (do_proto ? *list_this_suff : NULL),
2458 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2459 Dump_RFC822HeadersBody(
2468 if (headers_only == HEADERS_ONLY) {
2472 /* signify start of msg text */
2473 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2474 if (do_proto) cprintf("text\n");
2477 if (TheMessage->cm_format_type == FMT_FIXED)
2480 mode, /* how would you like that message? */
2483 /* If the message on disk is format 0 (Citadel vari-format), we
2484 * output using the formatter at 80 columns. This is the final output
2485 * form if the transfer format is RFC822, but if the transfer format
2486 * is Citadel proprietary, it'll still work, because the indentation
2487 * for new paragraphs is correct and the client will reformat the
2488 * message to the reader's screen width.
2490 if (TheMessage->cm_format_type == FMT_CITADEL) {
2491 mptr = TheMessage->cm_fields['M'];
2493 if (mode == MT_MIME) {
2494 cprintf("Content-type: text/x-citadel-variformat\n\n");
2499 /* If the message on disk is format 4 (MIME), we've gotta hand it
2500 * off to the MIME parser. The client has already been told that
2501 * this message is format 1 (fixed format), so the callback function
2502 * we use will display those parts as-is.
2504 if (TheMessage->cm_format_type == FMT_RFC822) {
2505 memset(&ma, 0, sizeof(struct ma_info));
2507 if (mode == MT_MIME) {
2508 ma.use_fo_hooks = 0;
2509 strcpy(ma.chosen_part, "1");
2510 ma.chosen_pref = 9999;
2511 ma.dont_decode = CCC->msg4_dont_decode;
2512 mime_parser(mptr, NULL,
2513 *choose_preferred, *fixed_output_pre,
2514 *fixed_output_post, (void *)&ma, 1);
2515 mime_parser(mptr, NULL,
2516 *output_preferred, NULL, NULL, (void *)&ma, 1);
2519 ma.use_fo_hooks = 1;
2520 mime_parser(mptr, NULL,
2521 *fixed_output, *fixed_output_pre,
2522 *fixed_output_post, (void *)&ma, 0);
2527 DONE: /* now we're done */
2528 if (do_proto) cprintf("000\n");
2534 * display a message (mode 0 - Citadel proprietary)
2536 void cmd_msg0(char *cmdbuf)
2539 int headers_only = HEADERS_ALL;
2541 msgid = extract_long(cmdbuf, 0);
2542 headers_only = extract_int(cmdbuf, 1);
2544 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2550 * display a message (mode 2 - RFC822)
2552 void cmd_msg2(char *cmdbuf)
2555 int headers_only = HEADERS_ALL;
2557 msgid = extract_long(cmdbuf, 0);
2558 headers_only = extract_int(cmdbuf, 1);
2560 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2566 * display a message (mode 3 - IGnet raw format - internal programs only)
2568 void cmd_msg3(char *cmdbuf)
2571 struct CtdlMessage *msg = NULL;
2574 if (CC->internal_pgm == 0) {
2575 cprintf("%d This command is for internal programs only.\n",
2576 ERROR + HIGHER_ACCESS_REQUIRED);
2580 msgnum = extract_long(cmdbuf, 0);
2581 msg = CtdlFetchMessage(msgnum, 1);
2583 cprintf("%d Message %ld not found.\n",
2584 ERROR + MESSAGE_NOT_FOUND, msgnum);
2588 serialize_message(&smr, msg);
2589 CtdlFreeMessage(msg);
2592 cprintf("%d Unable to serialize message\n",
2593 ERROR + INTERNAL_ERROR);
2597 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2598 client_write((char *)smr.ser, (int)smr.len);
2605 * Display a message using MIME content types
2607 void cmd_msg4(char *cmdbuf)
2612 msgid = extract_long(cmdbuf, 0);
2613 extract_token(section, cmdbuf, 1, '|', sizeof section);
2614 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2620 * Client tells us its preferred message format(s)
2622 void cmd_msgp(char *cmdbuf)
2624 if (!strcasecmp(cmdbuf, "dont_decode")) {
2625 CC->msg4_dont_decode = 1;
2626 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2629 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2630 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2636 * Open a component of a MIME message as a download file
2638 void cmd_opna(char *cmdbuf)
2641 char desired_section[128];
2643 msgid = extract_long(cmdbuf, 0);
2644 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2645 safestrncpy(CC->download_desired_section, desired_section,
2646 sizeof CC->download_desired_section);
2647 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2652 * Open a component of a MIME message and transmit it all at once
2654 void cmd_dlat(char *cmdbuf)
2657 char desired_section[128];
2659 msgid = extract_long(cmdbuf, 0);
2660 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2661 safestrncpy(CC->download_desired_section, desired_section,
2662 sizeof CC->download_desired_section);
2663 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2668 * Save one or more message pointers into a specified room
2669 * (Returns 0 for success, nonzero for failure)
2670 * roomname may be NULL to use the current room
2672 * Note that the 'supplied_msg' field may be set to NULL, in which case
2673 * the message will be fetched from disk, by number, if we need to perform
2674 * replication checks. This adds an additional database read, so if the
2675 * caller already has the message in memory then it should be supplied. (Obviously
2676 * this mode of operation only works if we're saving a single message.)
2678 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2679 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2681 struct CitContext *CCC = CC;
2683 char hold_rm[ROOMNAMELEN];
2684 struct cdbdata *cdbfr;
2687 long highest_msg = 0L;
2690 struct CtdlMessage *msg = NULL;
2692 long *msgs_to_be_merged = NULL;
2693 int num_msgs_to_be_merged = 0;
2695 MSG_syslog(LOG_DEBUG,
2696 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2697 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2700 strcpy(hold_rm, CCC->room.QRname);
2703 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2704 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2705 if (num_newmsgs > 1) supplied_msg = NULL;
2707 /* Now the regular stuff */
2708 if (CtdlGetRoomLock(&CCC->room,
2709 ((roomname != NULL) ? roomname : CCC->room.QRname) )
2711 MSG_syslog(LOG_ERR, "No such room <%s>\n", roomname);
2712 return(ERROR + ROOM_NOT_FOUND);
2716 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2717 num_msgs_to_be_merged = 0;
2720 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
2721 if (cdbfr == NULL) {
2725 msglist = (long *) cdbfr->ptr;
2726 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2727 num_msgs = cdbfr->len / sizeof(long);
2732 /* Create a list of msgid's which were supplied by the caller, but do
2733 * not already exist in the target room. It is absolutely taboo to
2734 * have more than one reference to the same message in a room.
2736 for (i=0; i<num_newmsgs; ++i) {
2738 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2739 if (msglist[j] == newmsgidlist[i]) {
2744 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2748 MSG_syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2751 * Now merge the new messages
2753 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2754 if (msglist == NULL) {
2755 MSGM_syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2756 free(msgs_to_be_merged);
2757 return (ERROR + INTERNAL_ERROR);
2759 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2760 num_msgs += num_msgs_to_be_merged;
2762 /* Sort the message list, so all the msgid's are in order */
2763 num_msgs = sort_msglist(msglist, num_msgs);
2765 /* Determine the highest message number */
2766 highest_msg = msglist[num_msgs - 1];
2768 /* Write it back to disk. */
2769 cdb_store(CDB_MSGLISTS, &CCC->room.QRnumber, (int)sizeof(long),
2770 msglist, (int)(num_msgs * sizeof(long)));
2772 /* Free up the memory we used. */
2775 /* Update the highest-message pointer and unlock the room. */
2776 CCC->room.QRhighest = highest_msg;
2777 CtdlPutRoomLock(&CCC->room);
2779 /* Perform replication checks if necessary */
2780 if ( (DoesThisRoomNeedEuidIndexing(&CCC->room)) && (do_repl_check) ) {
2781 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2783 for (i=0; i<num_msgs_to_be_merged; ++i) {
2784 msgid = msgs_to_be_merged[i];
2786 if (supplied_msg != NULL) {
2790 msg = CtdlFetchMessage(msgid, 0);
2794 ReplicationChecks(msg);
2796 /* If the message has an Exclusive ID, index that... */
2797 if (msg->cm_fields['E'] != NULL) {
2798 index_message_by_euid(msg->cm_fields['E'], &CCC->room, msgid);
2801 /* Free up the memory we may have allocated */
2802 if (msg != supplied_msg) {
2803 CtdlFreeMessage(msg);
2811 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2814 /* Submit this room for processing by hooks */
2815 PerformRoomHooks(&CCC->room);
2817 /* Go back to the room we were in before we wandered here... */
2818 CtdlGetRoom(&CCC->room, hold_rm);
2820 /* Bump the reference count for all messages which were merged */
2821 if (!suppress_refcount_adj) {
2822 AdjRefCountList(msgs_to_be_merged, num_msgs_to_be_merged, +1);
2825 /* Free up memory... */
2826 if (msgs_to_be_merged != NULL) {
2827 free(msgs_to_be_merged);
2830 /* Return success. */
2836 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2839 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2840 int do_repl_check, struct CtdlMessage *supplied_msg)
2842 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2849 * Message base operation to save a new message to the message store
2850 * (returns new message number)
2852 * This is the back end for CtdlSubmitMsg() and should not be directly
2853 * called by server-side modules.
2856 long send_message(struct CtdlMessage *msg) {
2857 struct CitContext *CCC = CC;
2865 /* Get a new message number */
2866 newmsgid = get_new_message_number();
2867 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2868 (long unsigned int) time(NULL),
2869 (long unsigned int) newmsgid,
2873 /* Generate an ID if we don't have one already */
2874 if (msg->cm_fields['I']==NULL) {
2875 msg->cm_fields['I'] = strdup(msgidbuf);
2878 /* If the message is big, set its body aside for storage elsewhere */
2879 if (msg->cm_fields['M'] != NULL) {
2880 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2882 holdM = msg->cm_fields['M'];
2883 msg->cm_fields['M'] = NULL;
2887 /* Serialize our data structure for storage in the database */
2888 serialize_message(&smr, msg);
2891 msg->cm_fields['M'] = holdM;
2895 cprintf("%d Unable to serialize message\n",
2896 ERROR + INTERNAL_ERROR);
2900 /* Write our little bundle of joy into the message base */
2901 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2902 smr.ser, smr.len) < 0) {
2903 MSGM_syslog(LOG_ERR, "Can't store message\n");
2907 cdb_store(CDB_BIGMSGS,
2917 /* Free the memory we used for the serialized message */
2920 /* Return the *local* message ID to the caller
2921 * (even if we're storing an incoming network message)
2929 * Serialize a struct CtdlMessage into the format used on disk and network.
2931 * This function loads up a "struct ser_ret" (defined in server.h) which
2932 * contains the length of the serialized message and a pointer to the
2933 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2935 void serialize_message(struct ser_ret *ret, /* return values */
2936 struct CtdlMessage *msg) /* unserialized msg */
2938 struct CitContext *CCC = CC;
2939 size_t wlen, fieldlen;
2941 static char *forder = FORDER;
2944 * Check for valid message format
2946 if (is_valid_message(msg) == 0) {
2947 MSGM_syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2954 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2955 ret->len = ret->len +
2956 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2958 ret->ser = malloc(ret->len);
2959 if (ret->ser == NULL) {
2960 MSG_syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2961 (long)ret->len, strerror(errno));
2968 ret->ser[1] = msg->cm_anon_type;
2969 ret->ser[2] = msg->cm_format_type;
2972 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2973 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2974 ret->ser[wlen++] = (char)forder[i];
2975 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2976 wlen = wlen + fieldlen + 1;
2978 if (ret->len != wlen) {
2979 MSG_syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2980 (long)ret->len, (long)wlen);
2988 * Check to see if any messages already exist in the current room which
2989 * carry the same Exclusive ID as this one. If any are found, delete them.
2991 void ReplicationChecks(struct CtdlMessage *msg) {
2992 struct CitContext *CCC = CC;
2993 long old_msgnum = (-1L);
2995 if (DoesThisRoomNeedEuidIndexing(&CCC->room) == 0) return;
2997 MSG_syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
3000 /* No exclusive id? Don't do anything. */
3001 if (msg == NULL) return;
3002 if (msg->cm_fields['E'] == NULL) return;
3003 if (IsEmptyStr(msg->cm_fields['E'])) return;
3004 /*MSG_syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
3005 msg->cm_fields['E'], CCC->room.QRname);*/
3007 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CCC->room);
3008 if (old_msgnum > 0L) {
3009 MSG_syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
3010 CtdlDeleteMessages(CCC->room.QRname, &old_msgnum, 1, "");
3017 * Save a message to disk and submit it into the delivery system.
3019 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3020 struct recptypes *recps, /* recipients (if mail) */
3021 const char *force, /* force a particular room? */
3022 int flags /* should the message be exported clean? */
3025 char submit_filename[128];
3026 char generated_timestamp[32];
3027 char hold_rm[ROOMNAMELEN];
3028 char actual_rm[ROOMNAMELEN];
3029 char force_room[ROOMNAMELEN];
3030 char content_type[SIZ]; /* We have to learn this */
3031 char recipient[SIZ];
3034 const char *mptr = NULL;
3035 struct ctdluser userbuf;
3037 struct MetaData smi;
3038 FILE *network_fp = NULL;
3039 static int seqnum = 1;
3040 struct CtdlMessage *imsg = NULL;
3042 size_t instr_alloc = 0;
3044 char *hold_R, *hold_D;
3045 char *collected_addresses = NULL;
3046 struct addresses_to_be_filed *aptr = NULL;
3047 StrBuf *saved_rfc822_version = NULL;
3048 int qualified_for_journaling = 0;
3049 CitContext *CCC = MyContext();
3050 char bounce_to[1024] = "";
3053 MSGM_syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3054 if (is_valid_message(msg) == 0) return(-1); /* self check */
3056 /* If this message has no timestamp, we take the liberty of
3057 * giving it one, right now.
3059 if (msg->cm_fields['T'] == NULL) {
3060 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3061 msg->cm_fields['T'] = strdup(generated_timestamp);
3064 /* If this message has no path, we generate one.
3066 if (msg->cm_fields['P'] == NULL) {
3067 if (msg->cm_fields['A'] != NULL) {
3068 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3069 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3070 if (isspace(msg->cm_fields['P'][a])) {
3071 msg->cm_fields['P'][a] = ' ';
3076 msg->cm_fields['P'] = strdup("unknown");
3080 if (force == NULL) {
3081 strcpy(force_room, "");
3084 strcpy(force_room, force);
3087 /* Learn about what's inside, because it's what's inside that counts */
3088 if (msg->cm_fields['M'] == NULL) {
3089 MSGM_syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3093 switch (msg->cm_format_type) {
3095 strcpy(content_type, "text/x-citadel-variformat");
3098 strcpy(content_type, "text/plain");
3101 strcpy(content_type, "text/plain");
3102 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3105 safestrncpy(content_type, &mptr[13], sizeof content_type);
3106 striplt(content_type);
3107 aptr = content_type;
3108 while (!IsEmptyStr(aptr)) {
3120 /* Goto the correct room */
3121 room = (recps) ? CCC->room.QRname : SENTITEMS;
3122 MSG_syslog(LOG_DEBUG, "Selected room %s\n", room);
3123 strcpy(hold_rm, CCC->room.QRname);
3124 strcpy(actual_rm, CCC->room.QRname);
3125 if (recps != NULL) {
3126 strcpy(actual_rm, SENTITEMS);
3129 /* If the user is a twit, move to the twit room for posting */
3131 if (CCC->user.axlevel == AxProbU) {
3132 strcpy(hold_rm, actual_rm);
3133 strcpy(actual_rm, config.c_twitroom);
3134 MSGM_syslog(LOG_DEBUG, "Diverting to twit room\n");
3138 /* ...or if this message is destined for Aide> then go there. */
3139 if (!IsEmptyStr(force_room)) {
3140 strcpy(actual_rm, force_room);
3143 MSG_syslog(LOG_INFO, "Final selection: %s (%s)\n", actual_rm, room);
3144 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3145 /* CtdlGetRoom(&CCC->room, actual_rm); */
3146 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3150 * If this message has no O (room) field, generate one.
3152 if (msg->cm_fields['O'] == NULL) {
3153 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3156 /* Perform "before save" hooks (aborting if any return nonzero) */
3157 MSGM_syslog(LOG_DEBUG, "Performing before-save hooks\n");
3158 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3161 * If this message has an Exclusive ID, and the room is replication
3162 * checking enabled, then do replication checks.
3164 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3165 ReplicationChecks(msg);
3168 /* Save it to disk */
3169 MSGM_syslog(LOG_DEBUG, "Saving to disk\n");
3170 newmsgid = send_message(msg);
3171 if (newmsgid <= 0L) return(-5);
3173 /* Write a supplemental message info record. This doesn't have to
3174 * be a critical section because nobody else knows about this message
3177 MSGM_syslog(LOG_DEBUG, "Creating MetaData record\n");
3178 memset(&smi, 0, sizeof(struct MetaData));
3179 smi.meta_msgnum = newmsgid;
3180 smi.meta_refcount = 0;
3181 safestrncpy(smi.meta_content_type, content_type,
3182 sizeof smi.meta_content_type);
3185 * Measure how big this message will be when rendered as RFC822.
3186 * We do this for two reasons:
3187 * 1. We need the RFC822 length for the new metadata record, so the
3188 * POP and IMAP services don't have to calculate message lengths
3189 * while the user is waiting (multiplied by potentially hundreds
3190 * or thousands of messages).
3191 * 2. If journaling is enabled, we will need an RFC822 version of the
3192 * message to attach to the journalized copy.
3194 if (CCC->redirect_buffer != NULL) {
3195 MSGM_syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3198 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3199 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3200 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3201 saved_rfc822_version = CCC->redirect_buffer;
3202 CCC->redirect_buffer = NULL;
3206 /* Now figure out where to store the pointers */
3207 MSGM_syslog(LOG_DEBUG, "Storing pointers\n");
3209 /* If this is being done by the networker delivering a private
3210 * message, we want to BYPASS saving the sender's copy (because there
3211 * is no local sender; it would otherwise go to the Trashcan).
3213 if ((!CCC->internal_pgm) || (recps == NULL)) {
3214 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3215 MSGM_syslog(LOG_ERR, "ERROR saving message pointer!\n");
3216 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3220 /* For internet mail, drop a copy in the outbound queue room */
3221 if ((recps != NULL) && (recps->num_internet > 0)) {
3222 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3225 /* If other rooms are specified, drop them there too. */
3226 if ((recps != NULL) && (recps->num_room > 0))
3227 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3228 extract_token(recipient, recps->recp_room, i,
3229 '|', sizeof recipient);
3230 MSG_syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);///// xxxx
3231 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3234 /* Bump this user's messages posted counter. */
3235 MSGM_syslog(LOG_DEBUG, "Updating user\n");
3236 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3237 CCC->user.posted = CCC->user.posted + 1;
3238 CtdlPutUserLock(&CCC->user);
3240 /* Decide where bounces need to be delivered */
3241 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3242 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3244 else if (CCC->logged_in) {
3245 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3248 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3251 /* If this is private, local mail, make a copy in the
3252 * recipient's mailbox and bump the reference count.
3254 if ((recps != NULL) && (recps->num_local > 0))
3255 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3256 extract_token(recipient, recps->recp_local, i,
3257 '|', sizeof recipient);
3258 MSG_syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3260 if (CtdlGetUser(&userbuf, recipient) == 0) {
3261 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3262 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3263 CtdlBumpNewMailCounter(userbuf.usernum);
3264 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3265 /* Generate a instruction message for the Funambol notification
3266 * server, in the same style as the SMTP queue
3269 instr = malloc(instr_alloc);
3270 snprintf(instr, instr_alloc,
3271 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3273 SPOOLMIME, newmsgid, (long)time(NULL),
3277 imsg = malloc(sizeof(struct CtdlMessage));
3278 memset(imsg, 0, sizeof(struct CtdlMessage));
3279 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3280 imsg->cm_anon_type = MES_NORMAL;
3281 imsg->cm_format_type = FMT_RFC822;
3282 imsg->cm_fields['U'] = strdup("QMSG");
3283 imsg->cm_fields['A'] = strdup("Citadel");
3284 imsg->cm_fields['J'] = strdup("do not journal");
3285 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3286 imsg->cm_fields['2'] = strdup(recipient);
3287 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3288 CtdlFreeMessage(imsg);
3292 MSG_syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3293 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3297 /* Perform "after save" hooks */
3298 MSGM_syslog(LOG_DEBUG, "Performing after-save hooks\n");
3299 if (msg->cm_fields['3'] != NULL) free(msg->cm_fields['3']);
3300 msg->cm_fields['3'] = malloc(20);
3301 snprintf(msg->cm_fields['3'], 20, "%ld", newmsgid);
3302 PerformMessageHooks(msg, EVT_AFTERSAVE);
3303 free(msg->cm_fields['3']);
3304 msg->cm_fields['3'] = NULL;
3306 /* For IGnet mail, we have to save a new copy into the spooler for
3307 * each recipient, with the R and D fields set to the recipient and
3308 * destination-node. This has two ugly side effects: all other
3309 * recipients end up being unlisted in this recipient's copy of the
3310 * message, and it has to deliver multiple messages to the same
3311 * node. We'll revisit this again in a year or so when everyone has
3312 * a network spool receiver that can handle the new style messages.
3314 if ((recps != NULL) && (recps->num_ignet > 0))
3315 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3316 extract_token(recipient, recps->recp_ignet, i,
3317 '|', sizeof recipient);
3319 hold_R = msg->cm_fields['R'];
3320 hold_D = msg->cm_fields['D'];
3321 msg->cm_fields['R'] = malloc(SIZ);
3322 msg->cm_fields['D'] = malloc(128);
3323 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3324 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3326 serialize_message(&smr, msg);
3328 snprintf(submit_filename, sizeof submit_filename,
3329 "%s/netmail.%04lx.%04x.%04x",
3331 (long) getpid(), CCC->cs_pid, ++seqnum);
3332 network_fp = fopen(submit_filename, "wb+");
3333 if (network_fp != NULL) {
3334 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3336 MSG_syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n",
3344 free(msg->cm_fields['R']);
3345 free(msg->cm_fields['D']);
3346 msg->cm_fields['R'] = hold_R;
3347 msg->cm_fields['D'] = hold_D;
3350 /* Go back to the room we started from */
3351 MSG_syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3352 if (strcasecmp(hold_rm, CCC->room.QRname))
3353 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3355 /* For internet mail, generate delivery instructions.
3356 * Yes, this is recursive. Deal with it. Infinite recursion does
3357 * not happen because the delivery instructions message does not
3358 * contain a recipient.
3360 if ((recps != NULL) && (recps->num_internet > 0)) {
3361 StrBuf *SpoolMsg = NewStrBuf();
3364 MSGM_syslog(LOG_DEBUG, "Generating delivery instructions\n");
3366 StrBufPrintf(SpoolMsg,
3367 "Content-type: "SPOOLMIME"\n"
3376 if (recps->envelope_from != NULL) {
3377 StrBufAppendBufPlain(SpoolMsg, HKEY("envelope_from|"), 0);
3378 StrBufAppendBufPlain(SpoolMsg, recps->envelope_from, -1, 0);
3379 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3381 if (recps->sending_room != NULL) {
3382 StrBufAppendBufPlain(SpoolMsg, HKEY("source_room|"), 0);
3383 StrBufAppendBufPlain(SpoolMsg, recps->sending_room, -1, 0);
3384 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3387 nTokens = num_tokens(recps->recp_internet, '|');
3388 for (i = 0; i < nTokens; i++) {
3390 len = extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3392 StrBufAppendBufPlain(SpoolMsg, HKEY("remote|"), 0);
3393 StrBufAppendBufPlain(SpoolMsg, recipient, len, 0);
3394 StrBufAppendBufPlain(SpoolMsg, HKEY("|0||\n"), 0);
3398 imsg = malloc(sizeof(struct CtdlMessage));
3399 memset(imsg, 0, sizeof(struct CtdlMessage));
3400 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3401 imsg->cm_anon_type = MES_NORMAL;
3402 imsg->cm_format_type = FMT_RFC822;
3403 imsg->cm_fields['U'] = strdup("QMSG");
3404 imsg->cm_fields['A'] = strdup("Citadel");
3405 imsg->cm_fields['J'] = strdup("do not journal");
3406 imsg->cm_fields['M'] = SmashStrBuf(&SpoolMsg); /* imsg owns this memory now */
3407 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3408 CtdlFreeMessage(imsg);
3412 * Any addresses to harvest for someone's address book?
3414 if ( (CCC->logged_in) && (recps != NULL) ) {
3415 collected_addresses = harvest_collected_addresses(msg);
3418 if (collected_addresses != NULL) {
3419 aptr = (struct addresses_to_be_filed *)
3420 malloc(sizeof(struct addresses_to_be_filed));
3421 CtdlMailboxName(actual_rm, sizeof actual_rm,
3422 &CCC->user, USERCONTACTSROOM);
3423 aptr->roomname = strdup(actual_rm);
3424 aptr->collected_addresses = collected_addresses;
3425 begin_critical_section(S_ATBF);
3428 end_critical_section(S_ATBF);
3432 * Determine whether this message qualifies for journaling.
3434 if (msg->cm_fields['J'] != NULL) {
3435 qualified_for_journaling = 0;
3438 if (recps == NULL) {
3439 qualified_for_journaling = config.c_journal_pubmsgs;
3441 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3442 qualified_for_journaling = config.c_journal_email;
3445 qualified_for_journaling = config.c_journal_pubmsgs;
3450 * Do we have to perform journaling? If so, hand off the saved
3451 * RFC822 version will be handed off to the journaler for background
3452 * submit. Otherwise, we have to free the memory ourselves.
3454 if (saved_rfc822_version != NULL) {
3455 if (qualified_for_journaling) {
3456 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3459 FreeStrBuf(&saved_rfc822_version);
3469 void aide_message (char *text, char *subject)
3471 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3476 * Convenience function for generating small administrative messages.
3478 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3479 int format_type, const char *subject)
3481 struct CtdlMessage *msg;
3482 struct recptypes *recp = NULL;
3484 msg = malloc(sizeof(struct CtdlMessage));
3485 memset(msg, 0, sizeof(struct CtdlMessage));
3486 msg->cm_magic = CTDLMESSAGE_MAGIC;
3487 msg->cm_anon_type = MES_NORMAL;
3488 msg->cm_format_type = format_type;
3491 msg->cm_fields['A'] = strdup(from);
3493 else if (fromaddr != NULL) {
3494 msg->cm_fields['A'] = strdup(fromaddr);
3495 if (strchr(msg->cm_fields['A'], '@')) {
3496 *strchr(msg->cm_fields['A'], '@') = 0;
3500 msg->cm_fields['A'] = strdup("Citadel");
3503 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3504 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3505 msg->cm_fields['N'] = strdup(NODENAME);
3507 msg->cm_fields['R'] = strdup(to);
3508 recp = validate_recipients(to, NULL, 0);
3510 if (subject != NULL) {
3511 msg->cm_fields['U'] = strdup(subject);
3513 msg->cm_fields['M'] = strdup(text);
3515 CtdlSubmitMsg(msg, recp, room, 0);
3516 CtdlFreeMessage(msg);
3517 if (recp != NULL) free_recipients(recp);
3523 * Back end function used by CtdlMakeMessage() and similar functions
3525 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3527 size_t maxlen, /* maximum message length */
3528 char *exist, /* if non-null, append to it;
3529 exist is ALWAYS freed */
3530 int crlf, /* CRLF newlines instead of LF */
3531 int *sock /* socket handle or 0 for this session's client socket */
3540 LineBuf = NewStrBufPlain(NULL, SIZ);
3541 if (exist == NULL) {
3542 Message = NewStrBufPlain(NULL, 4 * SIZ);
3545 Message = NewStrBufPlain(exist, -1);
3549 /* Do we need to change leading ".." to "." for SMTP escaping? */
3550 if ((tlen == 1) && (*terminator == '.')) {
3554 /* read in the lines of message text one by one */
3557 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3562 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3564 if ((StrLength(LineBuf) == tlen) &&
3565 (!strcmp(ChrPtr(LineBuf), terminator)))
3568 if ( (!flushing) && (!finished) ) {
3570 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3573 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3576 /* Unescape SMTP-style input of two dots at the beginning of the line */
3578 (StrLength(LineBuf) == 2) &&
3579 (!strcmp(ChrPtr(LineBuf), "..")))
3581 StrBufCutLeft(LineBuf, 1);
3584 StrBufAppendBuf(Message, LineBuf, 0);
3587 /* if we've hit the max msg length, flush the rest */
3588 if (StrLength(Message) >= maxlen) flushing = 1;
3590 } while (!finished);
3591 FreeStrBuf(&LineBuf);
3595 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3599 FreeStrBuf(&(*Msg)->MsgBuf);
3605 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3607 size_t maxlen, /* maximum message length */
3608 size_t expectlen, /* if we expect a message, how long should it be? */
3609 char *exist, /* if non-null, append to it;
3610 exist is ALWAYS freed */
3611 long eLen, /* length of exist */
3612 int crlf /* CRLF newlines instead of LF */
3615 ReadAsyncMsg *NewMsg;
3617 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3618 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3620 if (exist == NULL) {
3623 if (expectlen == 0) {
3627 len = expectlen + 10;
3629 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3632 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3635 /* Do we need to change leading ".." to "." for SMTP escaping? */
3636 if ((tlen == 1) && (*terminator == '.')) {
3640 NewMsg->terminator = terminator;
3641 NewMsg->tlen = tlen;
3643 NewMsg->maxlen = maxlen;
3645 NewMsg->crlf = crlf;
3651 * Back end function used by CtdlMakeMessage() and similar functions
3653 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3655 ReadAsyncMsg *ReadMsg;
3656 int MsgFinished = 0;
3657 eReadState Finished = eMustReadMore;
3662 const char *pch = ChrPtr(IO->SendBuf.Buf);
3663 const char *pchh = IO->SendBuf.ReadWritePointer;
3669 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3670 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3671 ((CitContext*)(IO->CitContext))->ServiceName,
3674 fd = fopen(fn, "a+");
3677 ReadMsg = IO->ReadMsg;
3679 /* read in the lines of message text one by one */
3681 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3684 case eMustReadMore: /// read new from socket...
3686 if (IO->RecvBuf.ReadWritePointer != NULL) {
3687 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3688 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3690 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3694 fprintf(fd, "BufferEmpty! \n");
3700 case eBufferNotEmpty: /* shouldn't happen... */
3701 case eReadSuccess: /// done for now...
3703 case eReadFail: /// WHUT?
3709 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3710 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3713 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3716 else if (!ReadMsg->flushing) {
3719 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3722 /* Unescape SMTP-style input of two dots at the beginning of the line */
3723 if ((ReadMsg->dodot) &&
3724 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3725 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3728 fprintf(fd, "UnEscaped!\n");
3730 StrBufCutLeft(IO->IOBuf, 1);
3733 if (ReadMsg->crlf) {
3734 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3737 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3740 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3743 /* if we've hit the max msg length, flush the rest */
3744 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3746 } while (!MsgFinished);
3749 fprintf(fd, "Done with reading; %s.\n, ",
3750 (MsgFinished)?"Message Finished": "FAILED");
3754 return eReadSuccess;
3761 * Back end function used by CtdlMakeMessage() and similar functions
3763 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3765 size_t maxlen, /* maximum message length */
3766 char *exist, /* if non-null, append to it;
3767 exist is ALWAYS freed */
3768 int crlf, /* CRLF newlines instead of LF */
3769 int *sock /* socket handle or 0 for this session's client socket */
3774 Message = CtdlReadMessageBodyBuf(terminator,
3780 if (Message == NULL)
3783 return SmashStrBuf(&Message);
3788 * Build a binary message to be saved on disk.
3789 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3790 * will become part of the message. This means you are no longer
3791 * responsible for managing that memory -- it will be freed along with
3792 * the rest of the fields when CtdlFreeMessage() is called.)
3795 struct CtdlMessage *CtdlMakeMessage(
3796 struct ctdluser *author, /* author's user structure */
3797 char *recipient, /* NULL if it's not mail */
3798 char *recp_cc, /* NULL if it's not mail */
3799 char *room, /* room where it's going */
3800 int type, /* see MES_ types in header file */
3801 int format_type, /* variformat, plain text, MIME... */
3802 char *fake_name, /* who we're masquerading as */
3803 char *my_email, /* which of my email addresses to use (empty is ok) */
3804 char *subject, /* Subject (optional) */
3805 char *supplied_euid, /* ...or NULL if this is irrelevant */
3806 char *preformatted_text, /* ...or NULL to read text from client */
3807 char *references /* Thread references */
3809 char dest_node[256];
3811 struct CtdlMessage *msg;
3813 StrBuf *FakeEncAuthor = NULL;
3815 msg = malloc(sizeof(struct CtdlMessage));
3816 memset(msg, 0, sizeof(struct CtdlMessage));
3817 msg->cm_magic = CTDLMESSAGE_MAGIC;
3818 msg->cm_anon_type = type;
3819 msg->cm_format_type = format_type;
3821 /* Don't confuse the poor folks if it's not routed mail. */
3822 strcpy(dest_node, "");
3824 if (recipient != NULL) striplt(recipient);
3825 if (recp_cc != NULL) striplt(recp_cc);
3827 /* Path or Return-Path */
3828 if (my_email == NULL) my_email = "";
3830 if (!IsEmptyStr(my_email)) {
3831 msg->cm_fields['P'] = strdup(my_email);
3834 snprintf(buf, sizeof buf, "%s", author->fullname);
3835 msg->cm_fields['P'] = strdup(buf);
3837 convert_spaces_to_underscores(msg->cm_fields['P']);
3839 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3840 msg->cm_fields['T'] = strdup(buf);
3842 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3843 FakeAuthor = NewStrBufPlain (fake_name, -1);
3846 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3848 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3849 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3850 FreeStrBuf(&FakeAuthor);
3852 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3853 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3856 msg->cm_fields['O'] = strdup(CC->room.QRname);
3859 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3860 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3862 if ((recipient != NULL) && (recipient[0] != 0)) {
3863 msg->cm_fields['R'] = strdup(recipient);
3865 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3866 msg->cm_fields['Y'] = strdup(recp_cc);
3868 if (dest_node[0] != 0) {
3869 msg->cm_fields['D'] = strdup(dest_node);
3872 if (!IsEmptyStr(my_email)) {
3873 msg->cm_fields['F'] = strdup(my_email);
3875 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3876 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3879 if (subject != NULL) {
3882 length = strlen(subject);
3888 while ((subject[i] != '\0') &&
3889 (IsAscii = isascii(subject[i]) != 0 ))
3892 msg->cm_fields['U'] = strdup(subject);
3893 else /* ok, we've got utf8 in the string. */
3895 msg->cm_fields['U'] = rfc2047encode(subject, length);
3901 if (supplied_euid != NULL) {
3902 msg->cm_fields['E'] = strdup(supplied_euid);
3905 if ((references != NULL) && (!IsEmptyStr(references))) {
3906 if (msg->cm_fields['W'] != NULL)
3907 free(msg->cm_fields['W']);
3908 msg->cm_fields['W'] = strdup(references);
3911 if (preformatted_text != NULL) {
3912 msg->cm_fields['M'] = preformatted_text;
3915 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3921 extern int netconfig_check_roomaccess(
3924 const char* RemoteIdentifier); /* TODO: find a smarter way */
3927 * Check to see whether we have permission to post a message in the current
3928 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3929 * returns 0 on success.
3931 int CtdlDoIHavePermissionToPostInThisRoom(
3934 const char* RemoteIdentifier,
3940 if (!(CC->logged_in) &&
3941 (PostPublic == POST_LOGGED_IN)) {
3942 snprintf(errmsgbuf, n, "Not logged in.");
3943 return (ERROR + NOT_LOGGED_IN);
3945 else if (PostPublic == CHECK_EXISTANCE) {
3946 return (0); // We're Evaling whether a recipient exists
3948 else if (!(CC->logged_in)) {
3950 if ((CC->room.QRflags & QR_READONLY)) {
3951 snprintf(errmsgbuf, n, "Not logged in.");
3952 return (ERROR + NOT_LOGGED_IN);
3954 if (CC->room.QRflags2 & QR2_MODERATED) {
3955 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3956 return (ERROR + NOT_LOGGED_IN);
3958 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3960 return netconfig_check_roomaccess(errmsgbuf, n, RemoteIdentifier);
3966 if ((CC->user.axlevel < AxProbU)
3967 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3968 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3969 return (ERROR + HIGHER_ACCESS_REQUIRED);
3972 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3974 if (ra & UA_POSTALLOWED) {
3975 strcpy(errmsgbuf, "OK to post or reply here");
3979 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
3981 * To be thorough, we ought to check to see if the message they are
3982 * replying to is actually a valid one in this room, but unless this
3983 * actually becomes a problem we'll go with high performance instead.
3985 strcpy(errmsgbuf, "OK to reply here");
3989 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3990 /* Clarify what happened with a better error message */
3991 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3992 return (ERROR + HIGHER_ACCESS_REQUIRED);
3995 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3996 return (ERROR + HIGHER_ACCESS_REQUIRED);
4002 * Check to see if the specified user has Internet mail permission
4003 * (returns nonzero if permission is granted)
4005 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
4007 /* Do not allow twits to send Internet mail */
4008 if (who->axlevel <= AxProbU) return(0);
4010 /* Globally enabled? */
4011 if (config.c_restrict == 0) return(1);
4013 /* User flagged ok? */
4014 if (who->flags & US_INTERNET) return(2);
4016 /* Aide level access? */
4017 if (who->axlevel >= AxAideU) return(3);
4019 /* No mail for you! */
4025 * Validate recipients, count delivery types and errors, and handle aliasing
4026 * FIXME check for dupes!!!!!
4028 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4029 * were specified, or the number of addresses found invalid.
4031 * Caller needs to free the result using free_recipients()
4033 struct recptypes *validate_recipients(const char *supplied_recipients,
4034 const char *RemoteIdentifier,
4036 struct CitContext *CCC = CC;
4037 struct recptypes *ret;
4038 char *recipients = NULL;
4040 char this_recp[256];
4041 char this_recp_cooked[256];
4048 struct ctdluser tempUS;
4049 struct ctdlroom tempQR;
4050 struct ctdlroom tempQR2;
4056 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4057 if (ret == NULL) return(NULL);
4059 /* Set all strings to null and numeric values to zero */
4060 memset(ret, 0, sizeof(struct recptypes));
4062 if (supplied_recipients == NULL) {
4063 recipients = strdup("");
4066 recipients = strdup(supplied_recipients);
4069 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4070 * actually need, but it's healthier for the heap than doing lots of tiny
4071 * realloc() calls instead.
4073 len = strlen(recipients) + 1024;
4074 ret->errormsg = malloc(len);
4075 ret->recp_local = malloc(len);
4076 ret->recp_internet = malloc(len);
4077 ret->recp_ignet = malloc(len);
4078 ret->recp_room = malloc(len);
4079 ret->display_recp = malloc(len);
4080 ret->recp_orgroom = malloc(len);
4081 org_recp = malloc(len);
4083 ret->errormsg[0] = 0;
4084 ret->recp_local[0] = 0;
4085 ret->recp_internet[0] = 0;
4086 ret->recp_ignet[0] = 0;
4087 ret->recp_room[0] = 0;
4088 ret->recp_orgroom[0] = 0;
4089 ret->display_recp[0] = 0;
4091 ret->recptypes_magic = RECPTYPES_MAGIC;
4093 /* Change all valid separator characters to commas */
4094 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4095 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4096 recipients[i] = ',';
4100 /* Now start extracting recipients... */
4102 while (!IsEmptyStr(recipients)) {
4103 for (i=0; i<=strlen(recipients); ++i) {
4104 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4105 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4106 safestrncpy(this_recp, recipients, i+1);
4108 if (recipients[i] == ',') {
4109 strcpy(recipients, &recipients[i+1]);
4112 strcpy(recipients, "");
4119 if (IsEmptyStr(this_recp))
4121 MSG_syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4124 strcpy(org_recp, this_recp);
4127 mailtype = alias(this_recp);
4129 for (j = 0; !IsEmptyStr(&this_recp[j]); ++j) {
4130 if (this_recp[j]=='_') {
4131 this_recp_cooked[j] = ' ';
4134 this_recp_cooked[j] = this_recp[j];
4137 this_recp_cooked[j] = '\0';
4142 if (!strcasecmp(this_recp, "sysop")) {
4144 strcpy(this_recp, config.c_aideroom);
4145 if (!IsEmptyStr(ret->recp_room)) {
4146 strcat(ret->recp_room, "|");
4148 strcat(ret->recp_room, this_recp);
4150 else if ( (!strncasecmp(this_recp, "room_", 5))
4151 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4153 /* Save room so we can restore it later */
4154 tempQR2 = CCC->room;
4157 /* Check permissions to send mail to this room */
4158 err = CtdlDoIHavePermissionToPostInThisRoom(
4163 0 /* 0 = not a reply */
4172 if (!IsEmptyStr(ret->recp_room)) {
4173 strcat(ret->recp_room, "|");
4175 strcat(ret->recp_room, &this_recp_cooked[5]);
4177 if (!IsEmptyStr(ret->recp_orgroom)) {
4178 strcat(ret->recp_orgroom, "|");
4180 strcat(ret->recp_orgroom, org_recp);
4184 /* Restore room in case something needs it */
4185 CCC->room = tempQR2;
4188 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4190 strcpy(this_recp, tempUS.fullname);
4191 if (!IsEmptyStr(ret->recp_local)) {
4192 strcat(ret->recp_local, "|");
4194 strcat(ret->recp_local, this_recp);
4196 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4198 strcpy(this_recp, tempUS.fullname);
4199 if (!IsEmptyStr(ret->recp_local)) {
4200 strcat(ret->recp_local, "|");
4202 strcat(ret->recp_local, this_recp);
4210 /* Yes, you're reading this correctly: if the target
4211 * domain points back to the local system or an attached
4212 * Citadel directory, the address is invalid. That's
4213 * because if the address were valid, we would have
4214 * already translated it to a local address by now.
4216 if (IsDirectory(this_recp, 0)) {
4221 ++ret->num_internet;
4222 if (!IsEmptyStr(ret->recp_internet)) {
4223 strcat(ret->recp_internet, "|");
4225 strcat(ret->recp_internet, this_recp);
4230 if (!IsEmptyStr(ret->recp_ignet)) {
4231 strcat(ret->recp_ignet, "|");
4233 strcat(ret->recp_ignet, this_recp);
4241 if (IsEmptyStr(errmsg)) {
4242 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4245 snprintf(append, sizeof append, "%s", errmsg);
4247 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4248 if (!IsEmptyStr(ret->errormsg)) {
4249 strcat(ret->errormsg, "; ");
4251 strcat(ret->errormsg, append);
4255 if (IsEmptyStr(ret->display_recp)) {
4256 strcpy(append, this_recp);
4259 snprintf(append, sizeof append, ", %s", this_recp);
4261 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4262 strcat(ret->display_recp, append);
4268 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4269 ret->num_room + ret->num_error) == 0) {
4270 ret->num_error = (-1);
4271 strcpy(ret->errormsg, "No recipients specified.");
4274 MSGM_syslog(LOG_DEBUG, "validate_recipients()\n");
4275 MSG_syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4276 MSG_syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4277 MSG_syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4278 MSG_syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4279 MSG_syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4287 * Destructor for struct recptypes
4289 void free_recipients(struct recptypes *valid) {
4291 if (valid == NULL) {
4295 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4296 struct CitContext *CCC = CC;
4297 MSGM_syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4301 if (valid->errormsg != NULL) free(valid->errormsg);
4302 if (valid->recp_local != NULL) free(valid->recp_local);
4303 if (valid->recp_internet != NULL) free(valid->recp_internet);
4304 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4305 if (valid->recp_room != NULL) free(valid->recp_room);
4306 if (valid->recp_orgroom != NULL) free(valid->recp_orgroom);
4307 if (valid->display_recp != NULL) free(valid->display_recp);
4308 if (valid->bounce_to != NULL) free(valid->bounce_to);
4309 if (valid->envelope_from != NULL) free(valid->envelope_from);
4310 if (valid->sending_room != NULL) free(valid->sending_room);
4317 * message entry - mode 0 (normal)
4319 void cmd_ent0(char *entargs)
4321 struct CitContext *CCC = CC;
4326 char supplied_euid[128];
4328 int format_type = 0;
4329 char newusername[256];
4330 char newuseremail[256];
4331 struct CtdlMessage *msg;
4335 struct recptypes *valid = NULL;
4336 struct recptypes *valid_to = NULL;
4337 struct recptypes *valid_cc = NULL;
4338 struct recptypes *valid_bcc = NULL;
4340 int subject_required = 0;
4345 int newuseremail_ok = 0;
4346 char references[SIZ];
4351 post = extract_int(entargs, 0);
4352 extract_token(recp, entargs, 1, '|', sizeof recp);
4353 anon_flag = extract_int(entargs, 2);
4354 format_type = extract_int(entargs, 3);
4355 extract_token(subject, entargs, 4, '|', sizeof subject);
4356 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4357 do_confirm = extract_int(entargs, 6);
4358 extract_token(cc, entargs, 7, '|', sizeof cc);
4359 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4360 switch(CC->room.QRdefaultview) {
4363 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4366 supplied_euid[0] = 0;
4369 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4370 extract_token(references, entargs, 11, '|', sizeof references);
4371 for (ptr=references; *ptr != 0; ++ptr) {
4372 if (*ptr == '!') *ptr = '|';
4375 /* first check to make sure the request is valid. */
4377 err = CtdlDoIHavePermissionToPostInThisRoom(
4382 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4386 cprintf("%d %s\n", err, errmsg);
4390 /* Check some other permission type things. */
4392 if (IsEmptyStr(newusername)) {
4393 strcpy(newusername, CCC->user.fullname);
4395 if ( (CCC->user.axlevel < AxAideU)
4396 && (strcasecmp(newusername, CCC->user.fullname))
4397 && (strcasecmp(newusername, CCC->cs_inet_fn))
4399 cprintf("%d You don't have permission to author messages as '%s'.\n",
4400 ERROR + HIGHER_ACCESS_REQUIRED,
4407 if (IsEmptyStr(newuseremail)) {
4408 newuseremail_ok = 1;
4411 if (!IsEmptyStr(newuseremail)) {
4412 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4413 newuseremail_ok = 1;
4415 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4416 j = num_tokens(CCC->cs_inet_other_emails, '|');
4417 for (i=0; i<j; ++i) {
4418 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4419 if (!strcasecmp(newuseremail, buf)) {
4420 newuseremail_ok = 1;
4426 if (!newuseremail_ok) {
4427 cprintf("%d You don't have permission to author messages as '%s'.\n",
4428 ERROR + HIGHER_ACCESS_REQUIRED,
4434 CCC->cs_flags |= CS_POSTING;
4436 /* In mailbox rooms we have to behave a little differently --
4437 * make sure the user has specified at least one recipient. Then
4438 * validate the recipient(s). We do this for the Mail> room, as
4439 * well as any room which has the "Mailbox" view set - unless it
4440 * is the DRAFTS room which does not require recipients
4443 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4444 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4445 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4446 if (CCC->user.axlevel < AxProbU) {
4447 strcpy(recp, "sysop");
4452 valid_to = validate_recipients(recp, NULL, 0);
4453 if (valid_to->num_error > 0) {
4454 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4455 free_recipients(valid_to);
4459 valid_cc = validate_recipients(cc, NULL, 0);
4460 if (valid_cc->num_error > 0) {
4461 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4462 free_recipients(valid_to);
4463 free_recipients(valid_cc);
4467 valid_bcc = validate_recipients(bcc, NULL, 0);
4468 if (valid_bcc->num_error > 0) {
4469 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4470 free_recipients(valid_to);
4471 free_recipients(valid_cc);
4472 free_recipients(valid_bcc);
4476 /* Recipient required, but none were specified */
4477 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4478 free_recipients(valid_to);
4479 free_recipients(valid_cc);
4480 free_recipients(valid_bcc);
4481 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4485 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4486 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4487 cprintf("%d You do not have permission "
4488 "to send Internet mail.\n",
4489 ERROR + HIGHER_ACCESS_REQUIRED);
4490 free_recipients(valid_to);
4491 free_recipients(valid_cc);
4492 free_recipients(valid_bcc);
4497 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)
4498 && (CCC->user.axlevel < AxNetU) ) {
4499 cprintf("%d Higher access required for network mail.\n",
4500 ERROR + HIGHER_ACCESS_REQUIRED);
4501 free_recipients(valid_to);
4502 free_recipients(valid_cc);
4503 free_recipients(valid_bcc);
4507 if ((RESTRICT_INTERNET == 1)
4508 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4509 && ((CCC->user.flags & US_INTERNET) == 0)
4510 && (!CCC->internal_pgm)) {
4511 cprintf("%d You don't have access to Internet mail.\n",
4512 ERROR + HIGHER_ACCESS_REQUIRED);
4513 free_recipients(valid_to);
4514 free_recipients(valid_cc);
4515 free_recipients(valid_bcc);
4521 /* Is this a room which has anonymous-only or anonymous-option? */
4522 anonymous = MES_NORMAL;
4523 if (CCC->room.QRflags & QR_ANONONLY) {
4524 anonymous = MES_ANONONLY;
4526 if (CCC->room.QRflags & QR_ANONOPT) {
4527 if (anon_flag == 1) { /* only if the user requested it */
4528 anonymous = MES_ANONOPT;
4532 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4536 /* Recommend to the client that the use of a message subject is
4537 * strongly recommended in this room, if either the SUBJECTREQ flag
4538 * is set, or if there is one or more Internet email recipients.
4540 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4541 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4542 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4543 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4545 /* If we're only checking the validity of the request, return
4546 * success without creating the message.
4549 cprintf("%d %s|%d\n", CIT_OK,
4550 ((valid_to != NULL) ? valid_to->display_recp : ""),
4552 free_recipients(valid_to);
4553 free_recipients(valid_cc);
4554 free_recipients(valid_bcc);
4558 /* We don't need these anymore because we'll do it differently below */
4559 free_recipients(valid_to);
4560 free_recipients(valid_cc);
4561 free_recipients(valid_bcc);
4563 /* Read in the message from the client. */
4565 cprintf("%d send message\n", START_CHAT_MODE);
4567 cprintf("%d send message\n", SEND_LISTING);
4570 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4571 CCC->room.QRname, anonymous, format_type,
4572 newusername, newuseremail, subject,
4573 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4576 /* Put together one big recipients struct containing to/cc/bcc all in
4577 * one. This is for the envelope.
4579 char *all_recps = malloc(SIZ * 3);
4580 strcpy(all_recps, recp);
4581 if (!IsEmptyStr(cc)) {
4582 if (!IsEmptyStr(all_recps)) {
4583 strcat(all_recps, ",");
4585 strcat(all_recps, cc);
4587 if (!IsEmptyStr(bcc)) {
4588 if (!IsEmptyStr(all_recps)) {
4589 strcat(all_recps, ",");
4591 strcat(all_recps, bcc);
4593 if (!IsEmptyStr(all_recps)) {
4594 valid = validate_recipients(all_recps, NULL, 0);
4601 if ((valid != NULL) && (valid->num_room == 1))
4603 /* posting into an ML room? set the envelope from
4604 * to the actual mail address so others get a valid
4607 msg->cm_fields['V'] = strdup(valid->recp_orgroom);
4611 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4613 cprintf("%ld\n", msgnum);
4615 if (StrLength(CCC->StatusMessage) > 0) {
4616 cprintf("%s\n", ChrPtr(CCC->StatusMessage));
4618 else if (msgnum >= 0L) {
4619 client_write(HKEY("Message accepted.\n"));
4622 client_write(HKEY("Internal error.\n"));
4625 if (msg->cm_fields['E'] != NULL) {
4626 cprintf("%s\n", msg->cm_fields['E']);
4633 CtdlFreeMessage(msg);
4635 if (valid != NULL) {
4636 free_recipients(valid);
4644 * API function to delete messages which match a set of criteria
4645 * (returns the actual number of messages deleted)
4647 int CtdlDeleteMessages(char *room_name, /* which room */
4648 long *dmsgnums, /* array of msg numbers to be deleted */
4649 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4650 char *content_type /* or "" for any. regular expressions expected. */
4653 struct CitContext *CCC = CC;
4654 struct ctdlroom qrbuf;
4655 struct cdbdata *cdbfr;
4656 long *msglist = NULL;
4657 long *dellist = NULL;
4660 int num_deleted = 0;
4662 struct MetaData smi;
4665 int need_to_free_re = 0;
4667 if (content_type) if (!IsEmptyStr(content_type)) {
4668 regcomp(&re, content_type, 0);
4669 need_to_free_re = 1;
4671 MSG_syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4672 room_name, num_dmsgnums, content_type);
4674 /* get room record, obtaining a lock... */
4675 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4676 MSG_syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4678 if (need_to_free_re) regfree(&re);
4679 return (0); /* room not found */
4681 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4683 if (cdbfr != NULL) {
4684 dellist = malloc(cdbfr->len);
4685 msglist = (long *) cdbfr->ptr;
4686 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4687 num_msgs = cdbfr->len / sizeof(long);
4691 int have_contenttype = (content_type != NULL) && !IsEmptyStr(content_type);
4692 int have_delmsgs = (num_dmsgnums == 0) || (dmsgnums == NULL);
4693 int have_more_del = 1;
4695 num_msgs = sort_msglist(msglist, num_msgs);
4696 if (num_dmsgnums > 1)
4697 num_dmsgnums = sort_msglist(dmsgnums, num_dmsgnums);
4700 StrBuf *dbg = NewStrBuf();
4701 for (i = 0; i < num_dmsgnums; i++)
4702 StrBufAppendPrintf(dbg, ", %ld", dmsgnums[i]);
4703 MSG_syslog(LOG_DEBUG, "Deleting before: %s", ChrPtr(dbg));
4708 while ((i < num_msgs) && (have_more_del)) {
4712 /* Set/clear a bit for each criterion */
4714 /* 0 messages in the list or a null list means that we are
4715 * interested in deleting any messages which meet the other criteria.
4718 delete_this |= 0x01;
4721 while ((i < num_msgs) && (msglist[i] < dmsgnums[j])) i++;
4722 if (msglist[i] == dmsgnums[j]) {
4723 delete_this |= 0x01;
4726 have_more_del = (j < num_dmsgnums);
4729 if (have_contenttype) {
4730 GetMetaData(&smi, msglist[i]);
4731 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4732 delete_this |= 0x02;
4735 delete_this |= 0x02;
4738 /* Delete message only if all bits are set */
4739 if (delete_this == 0x03) {
4740 dellist[num_deleted++] = msglist[i];
4747 StrBuf *dbg = NewStrBuf();
4748 for (i = 0; i < num_deleted; i++)
4749 StrBufAppendPrintf(dbg, ", %ld", dellist[i]);
4750 MSG_syslog(LOG_DEBUG, "Deleting: %s", ChrPtr(dbg));
4754 num_msgs = sort_msglist(msglist, num_msgs);
4755 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4756 msglist, (int)(num_msgs * sizeof(long)));
4759 qrbuf.QRhighest = msglist[num_msgs - 1];
4761 qrbuf.QRhighest = 0;
4763 CtdlPutRoomLock(&qrbuf);
4765 /* Go through the messages we pulled out of the index, and decrement
4766 * their reference counts by 1. If this is the only room the message
4767 * was in, the reference count will reach zero and the message will
4768 * automatically be deleted from the database. We do this in a
4769 * separate pass because there might be plug-in hooks getting called,
4770 * and we don't want that happening during an S_ROOMS critical
4774 for (i=0; i<num_deleted; ++i) {
4775 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4777 AdjRefCountList(dellist, num_deleted, -1);
4779 /* Now free the memory we used, and go away. */
4780 if (msglist != NULL) free(msglist);
4781 if (dellist != NULL) free(dellist);
4782 MSG_syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4783 if (need_to_free_re) regfree(&re);
4784 return (num_deleted);
4790 * Check whether the current user has permission to delete messages from
4791 * the current room (returns 1 for yes, 0 for no)
4793 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4795 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4796 if (ra & UA_DELETEALLOWED) return(1);
4804 * Delete message from current room
4806 void cmd_dele(char *args)
4815 extract_token(msgset, args, 0, '|', sizeof msgset);
4816 num_msgs = num_tokens(msgset, ',');
4818 cprintf("%d Nothing to do.\n", CIT_OK);
4822 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4823 cprintf("%d Higher access required.\n",
4824 ERROR + HIGHER_ACCESS_REQUIRED);
4829 * Build our message set to be moved/copied
4831 msgs = malloc(num_msgs * sizeof(long));
4832 for (i=0; i<num_msgs; ++i) {
4833 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4834 msgs[i] = atol(msgtok);
4837 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4841 cprintf("%d %d message%s deleted.\n", CIT_OK,
4842 num_deleted, ((num_deleted != 1) ? "s" : ""));
4844 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4852 * move or copy a message to another room
4854 void cmd_move(char *args)
4861 char targ[ROOMNAMELEN];
4862 struct ctdlroom qtemp;
4869 extract_token(msgset, args, 0, '|', sizeof msgset);
4870 num_msgs = num_tokens(msgset, ',');
4872 cprintf("%d Nothing to do.\n", CIT_OK);
4876 extract_token(targ, args, 1, '|', sizeof targ);
4877 convert_room_name_macros(targ, sizeof targ);
4878 targ[ROOMNAMELEN - 1] = 0;
4879 is_copy = extract_int(args, 2);
4881 if (CtdlGetRoom(&qtemp, targ) != 0) {
4882 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4886 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4887 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4891 CtdlGetUser(&CC->user, CC->curr_user);
4892 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4894 /* Check for permission to perform this operation.
4895 * Remember: "CC->room" is source, "qtemp" is target.
4899 /* Aides can move/copy */
4900 if (CC->user.axlevel >= AxAideU) permit = 1;
4902 /* Room aides can move/copy */
4903 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4905 /* Permit move/copy from personal rooms */
4906 if ((CC->room.QRflags & QR_MAILBOX)
4907 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4909 /* Permit only copy from public to personal room */
4911 && (!(CC->room.QRflags & QR_MAILBOX))
4912 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4914 /* Permit message removal from collaborative delete rooms */
4915 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4917 /* Users allowed to post into the target room may move into it too. */
4918 if ((CC->room.QRflags & QR_MAILBOX) &&
4919 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4921 /* User must have access to target room */
4922 if (!(ra & UA_KNOWN)) permit = 0;
4925 cprintf("%d Higher access required.\n",
4926 ERROR + HIGHER_ACCESS_REQUIRED);
4931 * Build our message set to be moved/copied
4933 msgs = malloc(num_msgs * sizeof(long));
4934 for (i=0; i<num_msgs; ++i) {
4935 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4936 msgs[i] = atol(msgtok);
4942 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4944 cprintf("%d Cannot store message(s) in %s: error %d\n",
4950 /* Now delete the message from the source room,
4951 * if this is a 'move' rather than a 'copy' operation.
4954 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4958 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4964 * GetMetaData() - Get the supplementary record for a message
4966 void GetMetaData(struct MetaData *smibuf, long msgnum)
4969 struct cdbdata *cdbsmi;
4972 memset(smibuf, 0, sizeof(struct MetaData));
4973 smibuf->meta_msgnum = msgnum;
4974 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4976 /* Use the negative of the message number for its supp record index */
4977 TheIndex = (0L - msgnum);
4979 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4980 if (cdbsmi == NULL) {
4981 return; /* record not found; go with defaults */
4983 memcpy(smibuf, cdbsmi->ptr,
4984 ((cdbsmi->len > sizeof(struct MetaData)) ?
4985 sizeof(struct MetaData) : cdbsmi->len));
4992 * PutMetaData() - (re)write supplementary record for a message
4994 void PutMetaData(struct MetaData *smibuf)
4998 /* Use the negative of the message number for the metadata db index */
4999 TheIndex = (0L - smibuf->meta_msgnum);
5001 cdb_store(CDB_MSGMAIN,
5002 &TheIndex, (int)sizeof(long),
5003 smibuf, (int)sizeof(struct MetaData));
5008 * AdjRefCount - submit an adjustment to the reference count for a message.
5009 * (These are just queued -- we actually process them later.)
5011 void AdjRefCount(long msgnum, int incr)
5013 struct CitContext *CCC = CC;
5014 struct arcq new_arcq;
5017 MSG_syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n", msgnum, incr);
5019 begin_critical_section(S_SUPPMSGMAIN);
5020 if (arcfp == NULL) {
5021 arcfp = fopen(file_arcq, "ab+");
5022 chown(file_arcq, CTDLUID, (-1));
5023 chmod(file_arcq, 0600);
5025 end_critical_section(S_SUPPMSGMAIN);
5027 /* msgnum < 0 means that we're trying to close the file */
5029 MSGM_syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
5030 begin_critical_section(S_SUPPMSGMAIN);
5031 if (arcfp != NULL) {
5035 end_critical_section(S_SUPPMSGMAIN);
5040 * If we can't open the queue, perform the operation synchronously.
5042 if (arcfp == NULL) {
5043 TDAP_AdjRefCount(msgnum, incr);
5047 new_arcq.arcq_msgnum = msgnum;
5048 new_arcq.arcq_delta = incr;
5049 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
5051 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5060 void AdjRefCountList(long *msgnum, long nmsg, int incr)
5062 struct CitContext *CCC = CC;
5063 long i, the_size, offset;
5064 struct arcq *new_arcq;
5067 MSG_syslog(LOG_DEBUG, "AdjRefCountList() msg %ld ref count delta %+d\n", nmsg, incr);
5069 begin_critical_section(S_SUPPMSGMAIN);
5070 if (arcfp == NULL) {
5071 arcfp = fopen(file_arcq, "ab+");
5072 chown(file_arcq, CTDLUID, (-1));
5073 chmod(file_arcq, 0600);
5075 end_critical_section(S_SUPPMSGMAIN);
5078 * If we can't open the queue, perform the operation synchronously.
5080 if (arcfp == NULL) {
5081 for (i = 0; i < nmsg; i++)
5082 TDAP_AdjRefCount(msgnum[i], incr);
5086 the_size = sizeof(struct arcq) * nmsg;
5087 new_arcq = malloc(the_size);
5088 for (i = 0; i < nmsg; i++) {
5089 new_arcq[i].arcq_msgnum = msgnum[i];
5090 new_arcq[i].arcq_delta = incr;
5094 while ((rv >= 0) && (offset < the_size))
5096 rv = fwrite(new_arcq + offset, 1, the_size - offset, arcfp);
5098 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5114 * TDAP_ProcessAdjRefCountQueue()
5116 * Process the queue of message count adjustments that was created by calls
5117 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
5118 * for each one. This should be an "off hours" operation.
5120 int TDAP_ProcessAdjRefCountQueue(void)
5122 struct CitContext *CCC = CC;
5123 char file_arcq_temp[PATH_MAX];
5126 struct arcq arcq_rec;
5127 int num_records_processed = 0;
5129 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
5131 begin_critical_section(S_SUPPMSGMAIN);
5132 if (arcfp != NULL) {
5137 r = link(file_arcq, file_arcq_temp);
5139 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5140 end_critical_section(S_SUPPMSGMAIN);
5141 return(num_records_processed);
5145 end_critical_section(S_SUPPMSGMAIN);
5147 fp = fopen(file_arcq_temp, "rb");
5149 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5150 return(num_records_processed);
5153 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5154 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5155 ++num_records_processed;
5159 r = unlink(file_arcq_temp);
5161 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5164 return(num_records_processed);
5170 * TDAP_AdjRefCount - adjust the reference count for a message.
5171 * This one does it "for real" because it's called by
5172 * the autopurger function that processes the queue
5173 * created by AdjRefCount(). If a message's reference
5174 * count becomes zero, we also delete the message from
5175 * disk and de-index it.
5177 void TDAP_AdjRefCount(long msgnum, int incr)
5179 struct CitContext *CCC = CC;
5181 struct MetaData smi;
5184 /* This is a *tight* critical section; please keep it that way, as
5185 * it may get called while nested in other critical sections.
5186 * Complicating this any further will surely cause deadlock!
5188 begin_critical_section(S_SUPPMSGMAIN);
5189 GetMetaData(&smi, msgnum);
5190 smi.meta_refcount += incr;
5192 end_critical_section(S_SUPPMSGMAIN);
5193 MSG_syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5194 msgnum, incr, smi.meta_refcount
5197 /* If the reference count is now zero, delete the message
5198 * (and its supplementary record as well).
5200 if (smi.meta_refcount == 0) {
5201 MSG_syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5203 /* Call delete hooks with NULL room to show it has gone altogether */
5204 PerformDeleteHooks(NULL, msgnum);
5206 /* Remove from message base */
5208 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5209 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5211 /* Remove metadata record */
5212 delnum = (0L - msgnum);
5213 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5219 * Write a generic object to this room
5221 * Note: this could be much more efficient. Right now we use two temporary
5222 * files, and still pull the message into memory as with all others.
5224 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5225 char *content_type, /* MIME type of this object */
5226 char *raw_message, /* Data to be written */
5227 off_t raw_length, /* Size of raw_message */
5228 struct ctdluser *is_mailbox, /* Mailbox room? */
5229 int is_binary, /* Is encoding necessary? */
5230 int is_unique, /* Del others of this type? */
5231 unsigned int flags /* Internal save flags */
5234 struct CitContext *CCC = CC;
5235 struct ctdlroom qrbuf;
5236 char roomname[ROOMNAMELEN];
5237 struct CtdlMessage *msg;
5238 char *encoded_message = NULL;
5240 if (is_mailbox != NULL) {
5241 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5244 safestrncpy(roomname, req_room, sizeof(roomname));
5247 MSG_syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5250 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5253 encoded_message = malloc((size_t)(raw_length + 4096));
5256 sprintf(encoded_message, "Content-type: %s\n", content_type);
5259 sprintf(&encoded_message[strlen(encoded_message)],
5260 "Content-transfer-encoding: base64\n\n"
5264 sprintf(&encoded_message[strlen(encoded_message)],
5265 "Content-transfer-encoding: 7bit\n\n"
5271 &encoded_message[strlen(encoded_message)],
5279 &encoded_message[strlen(encoded_message)],
5285 MSGM_syslog(LOG_DEBUG, "Allocating\n");
5286 msg = malloc(sizeof(struct CtdlMessage));
5287 memset(msg, 0, sizeof(struct CtdlMessage));
5288 msg->cm_magic = CTDLMESSAGE_MAGIC;
5289 msg->cm_anon_type = MES_NORMAL;
5290 msg->cm_format_type = 4;
5291 msg->cm_fields['A'] = strdup(CCC->user.fullname);
5292 msg->cm_fields['O'] = strdup(req_room);
5293 msg->cm_fields['N'] = strdup(config.c_nodename);
5294 msg->cm_fields['H'] = strdup(config.c_humannode);
5295 msg->cm_flags = flags;
5297 msg->cm_fields['M'] = encoded_message;
5299 /* Create the requested room if we have to. */
5300 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5301 CtdlCreateRoom(roomname,
5302 ( (is_mailbox != NULL) ? 5 : 3 ),
5303 "", 0, 1, 0, VIEW_BBS);
5305 /* If the caller specified this object as unique, delete all
5306 * other objects of this type that are currently in the room.
5309 MSG_syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5310 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5313 /* Now write the data */
5314 CtdlSubmitMsg(msg, NULL, roomname, 0);
5315 CtdlFreeMessage(msg);
5323 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5324 config_msgnum = msgnum;
5328 char *CtdlGetSysConfig(char *sysconfname) {
5329 char hold_rm[ROOMNAMELEN];
5332 struct CtdlMessage *msg;
5335 strcpy(hold_rm, CC->room.QRname);
5336 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5337 CtdlGetRoom(&CC->room, hold_rm);
5342 /* We want the last (and probably only) config in this room */
5343 begin_critical_section(S_CONFIG);
5344 config_msgnum = (-1L);
5345 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5346 CtdlGetSysConfigBackend, NULL);
5347 msgnum = config_msgnum;
5348 end_critical_section(S_CONFIG);
5354 msg = CtdlFetchMessage(msgnum, 1);
5356 conf = strdup(msg->cm_fields['M']);
5357 CtdlFreeMessage(msg);
5364 CtdlGetRoom(&CC->room, hold_rm);
5366 if (conf != NULL) do {
5367 extract_token(buf, conf, 0, '\n', sizeof buf);
5368 strcpy(conf, &conf[strlen(buf)+1]);
5369 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5375 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5376 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5381 * Determine whether a given Internet address belongs to the current user
5383 int CtdlIsMe(char *addr, int addr_buf_len)
5385 struct recptypes *recp;
5388 recp = validate_recipients(addr, NULL, 0);
5389 if (recp == NULL) return(0);
5391 if (recp->num_local == 0) {
5392 free_recipients(recp);
5396 for (i=0; i<recp->num_local; ++i) {
5397 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5398 if (!strcasecmp(addr, CC->user.fullname)) {
5399 free_recipients(recp);
5404 free_recipients(recp);
5410 * Citadel protocol command to do the same
5412 void cmd_isme(char *argbuf) {
5415 if (CtdlAccessCheck(ac_logged_in)) return;
5416 extract_token(addr, argbuf, 0, '|', sizeof addr);
5418 if (CtdlIsMe(addr, sizeof addr)) {
5419 cprintf("%d %s\n", CIT_OK, addr);
5422 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5428 /*****************************************************************************/
5429 /* MODULE INITIALIZATION STUFF */
5430 /*****************************************************************************/
5431 void SetMessageDebugEnabled(const int n)
5433 MessageDebugEnabled = n;
5435 CTDL_MODULE_INIT(msgbase)
5438 CtdlRegisterDebugFlagHook(HKEY("messages"), SetMessageDebugEnabled, &MessageDebugEnabled);
5440 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5441 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5442 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5443 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5444 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5445 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5446 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5447 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5448 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5449 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5450 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5451 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5454 /* return our Subversion id for the Log */