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;
71 void AdjRefCountList(long *msgnum, long nmsg, int incr);
74 * These are the four-character field headers we use when outputting
75 * messages in Citadel format (as opposed to RFC822 format).
78 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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,
114 * This function is self explanatory.
115 * (What can I say, I'm in a weird mood today...)
117 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
121 for (i = 0; i < strlen(name); ++i) {
122 if (name[i] == '@') {
123 while (isspace(name[i - 1]) && i > 0) {
124 strcpy(&name[i - 1], &name[i]);
127 while (isspace(name[i + 1])) {
128 strcpy(&name[i + 1], &name[i + 2]);
136 * Aliasing for network mail.
137 * (Error messages have been commented out, because this is a server.)
139 int alias(char *name)
140 { /* process alias and routing info for mail */
143 char aaa[SIZ], bbb[SIZ];
144 char *ignetcfg = NULL;
145 char *ignetmap = NULL;
151 char original_name[256];
152 safestrncpy(original_name, name, sizeof original_name);
155 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
156 stripallbut(name, '<', '>');
158 fp = fopen(file_mail_aliases, "r");
160 fp = fopen("/dev/null", "r");
167 while (fgets(aaa, sizeof aaa, fp) != NULL) {
168 while (isspace(name[0]))
169 strcpy(name, &name[1]);
170 aaa[strlen(aaa) - 1] = 0;
172 for (a = 0; a < strlen(aaa); ++a) {
174 strcpy(bbb, &aaa[a + 1]);
178 if (!strcasecmp(name, aaa))
183 /* Hit the Global Address Book */
184 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
188 if (strcasecmp(original_name, name)) {
189 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
192 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
193 for (a=0; a<strlen(name); ++a) {
194 if (name[a] == '@') {
195 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
197 syslog(LOG_INFO, "Changed to <%s>\n", name);
202 /* determine local or remote type, see citadel.h */
203 at = haschar(name, '@');
204 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
205 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
206 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
208 /* figure out the delivery mode */
209 extract_token(node, name, 1, '@', sizeof node);
211 /* If there are one or more dots in the nodename, we assume that it
212 * is an FQDN and will attempt SMTP delivery to the Internet.
214 if (haschar(node, '.') > 0) {
215 return(MES_INTERNET);
218 /* Otherwise we look in the IGnet maps for a valid Citadel node.
219 * Try directly-connected nodes first...
221 ignetcfg = CtdlGetSysConfig(IGNETCFG);
222 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
223 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
224 extract_token(testnode, buf, 0, '|', sizeof testnode);
225 if (!strcasecmp(node, testnode)) {
233 * Then try nodes that are two or more hops away.
235 ignetmap = CtdlGetSysConfig(IGNETMAP);
236 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
237 extract_token(buf, ignetmap, i, '\n', sizeof buf);
238 extract_token(testnode, buf, 0, '|', sizeof testnode);
239 if (!strcasecmp(node, testnode)) {
246 /* If we get to this point it's an invalid node name */
252 * Back end for the MSGS command: output message number only.
254 void simple_listing(long msgnum, void *userdata)
256 cprintf("%ld\n", msgnum);
262 * Back end for the MSGS command: output header summary.
264 void headers_listing(long msgnum, void *userdata)
266 struct CtdlMessage *msg;
268 msg = CtdlFetchMessage(msgnum, 0);
270 cprintf("%ld|0|||||\n", msgnum);
274 cprintf("%ld|%s|%s|%s|%s|%s|\n",
276 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
277 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
278 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
279 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
280 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
282 CtdlFreeMessage(msg);
286 * Back end for the MSGS command: output EUID header.
288 void headers_euid(long msgnum, void *userdata)
290 struct CtdlMessage *msg;
292 msg = CtdlFetchMessage(msgnum, 0);
294 cprintf("%ld||\n", msgnum);
298 cprintf("%ld|%s|%s\n",
300 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
301 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
302 CtdlFreeMessage(msg);
309 /* Determine if a given message matches the fields in a message template.
310 * Return 0 for a successful match.
312 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
315 /* If there aren't any fields in the template, all messages will
318 if (template == NULL) return(0);
320 /* Null messages are bogus. */
321 if (msg == NULL) return(1);
323 for (i='A'; i<='Z'; ++i) {
324 if (template->cm_fields[i] != NULL) {
325 if (msg->cm_fields[i] == NULL) {
326 /* Considered equal if temmplate is empty string */
327 if (IsEmptyStr(template->cm_fields[i])) continue;
330 if (strcasecmp(msg->cm_fields[i],
331 template->cm_fields[i])) return 1;
335 /* All compares succeeded: we have a match! */
342 * Retrieve the "seen" message list for the current room.
344 void CtdlGetSeen(char *buf, int which_set) {
347 /* Learn about the user and room in question */
348 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
350 if (which_set == ctdlsetseen_seen)
351 safestrncpy(buf, vbuf.v_seen, SIZ);
352 if (which_set == ctdlsetseen_answered)
353 safestrncpy(buf, vbuf.v_answered, SIZ);
359 * Manipulate the "seen msgs" string (or other message set strings)
361 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
362 int target_setting, int which_set,
363 struct ctdluser *which_user, struct ctdlroom *which_room) {
364 struct cdbdata *cdbfr;
378 char *is_set; /* actually an array of booleans */
380 /* Don't bother doing *anything* if we were passed a list of zero messages */
381 if (num_target_msgnums < 1) {
385 /* If no room was specified, we go with the current room. */
387 which_room = &CC->room;
390 /* If no user was specified, we go with the current user. */
392 which_user = &CC->user;
395 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
396 num_target_msgnums, target_msgnums[0],
397 (target_setting ? "SET" : "CLEAR"),
401 /* Learn about the user and room in question */
402 CtdlGetRelationship(&vbuf, which_user, which_room);
404 /* Load the message list */
405 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
407 msglist = (long *) cdbfr->ptr;
408 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
409 num_msgs = cdbfr->len / sizeof(long);
412 return; /* No messages at all? No further action. */
415 is_set = malloc(num_msgs * sizeof(char));
416 memset(is_set, 0, (num_msgs * sizeof(char)) );
418 /* Decide which message set we're manipulating */
420 case ctdlsetseen_seen:
421 vset = NewStrBufPlain(vbuf.v_seen, -1);
423 case ctdlsetseen_answered:
424 vset = NewStrBufPlain(vbuf.v_answered, -1);
431 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
432 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
433 for (i=0; i<num_msgs; ++i) {
434 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
436 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
437 for (k=0; k<num_target_msgnums; ++k) {
438 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
442 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
444 /* Translate the existing sequence set into an array of booleans */
445 setstr = NewStrBuf();
449 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
451 StrBufExtract_token(lostr, setstr, 0, ':');
452 if (StrBufNum_tokens(setstr, ':') >= 2) {
453 StrBufExtract_token(histr, setstr, 1, ':');
457 StrBufAppendBuf(histr, lostr, 0);
460 if (!strcmp(ChrPtr(histr), "*")) {
467 for (i = 0; i < num_msgs; ++i) {
468 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
478 /* Now translate the array of booleans back into a sequence set */
484 for (i=0; i<num_msgs; ++i) {
488 for (k=0; k<num_target_msgnums; ++k) {
489 if (msglist[i] == target_msgnums[k]) {
490 is_seen = target_setting;
494 if ((was_seen == 0) && (is_seen == 1)) {
497 else if ((was_seen == 1) && (is_seen == 0)) {
500 if (StrLength(vset) > 0) {
501 StrBufAppendBufPlain(vset, HKEY(","), 0);
504 StrBufAppendPrintf(vset, "%ld", hi);
507 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
511 if ((is_seen) && (i == num_msgs - 1)) {
512 if (StrLength(vset) > 0) {
513 StrBufAppendBufPlain(vset, HKEY(","), 0);
515 if ((i==0) || (was_seen == 0)) {
516 StrBufAppendPrintf(vset, "%ld", msglist[i]);
519 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
527 * We will have to stuff this string back into a 4096 byte buffer, so if it's
528 * larger than that now, truncate it by removing tokens from the beginning.
529 * The limit of 100 iterations is there to prevent an infinite loop in case
530 * something unexpected happens.
532 int number_of_truncations = 0;
533 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
534 StrBufRemove_token(vset, 0, ',');
535 ++number_of_truncations;
539 * If we're truncating the sequence set of messages marked with the 'seen' flag,
540 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
541 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
543 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
545 first_tok = NewStrBuf();
546 StrBufExtract_token(first_tok, vset, 0, ',');
547 StrBufRemove_token(vset, 0, ',');
549 if (StrBufNum_tokens(first_tok, ':') > 1) {
550 StrBufRemove_token(first_tok, 0, ':');
554 new_set = NewStrBuf();
555 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
556 StrBufAppendBuf(new_set, first_tok, 0);
557 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
558 StrBufAppendBuf(new_set, vset, 0);
561 FreeStrBuf(&first_tok);
565 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
567 /* Decide which message set we're manipulating */
569 case ctdlsetseen_seen:
570 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
572 case ctdlsetseen_answered:
573 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
579 CtdlSetRelationship(&vbuf, which_user, which_room);
585 * API function to perform an operation for each qualifying message in the
586 * current room. (Returns the number of messages processed.)
588 int CtdlForEachMessage(int mode, long ref, char *search_string,
590 struct CtdlMessage *compare,
591 ForEachMsgCallback CallBack,
597 struct cdbdata *cdbfr;
598 long *msglist = NULL;
600 int num_processed = 0;
603 struct CtdlMessage *msg = NULL;
606 int printed_lastold = 0;
607 int num_search_msgs = 0;
608 long *search_msgs = NULL;
610 int need_to_free_re = 0;
613 if ((content_type) && (!IsEmptyStr(content_type))) {
614 regcomp(&re, content_type, 0);
618 /* Learn about the user and room in question */
619 if (server_shutting_down) {
620 if (need_to_free_re) regfree(&re);
623 CtdlGetUser(&CC->user, CC->curr_user);
625 if (server_shutting_down) {
626 if (need_to_free_re) regfree(&re);
629 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
631 if (server_shutting_down) {
632 if (need_to_free_re) regfree(&re);
636 /* Load the message list */
637 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
639 if (need_to_free_re) regfree(&re);
640 return 0; /* No messages at all? No further action. */
643 msglist = (long *) cdbfr->ptr;
644 num_msgs = cdbfr->len / sizeof(long);
646 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
647 cdb_free(cdbfr); /* we own this memory now */
650 * Now begin the traversal.
652 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
654 /* If the caller is looking for a specific MIME type, filter
655 * out all messages which are not of the type requested.
657 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
659 /* This call to GetMetaData() sits inside this loop
660 * so that we only do the extra database read per msg
661 * if we need to. Doing the extra read all the time
662 * really kills the server. If we ever need to use
663 * metadata for another search criterion, we need to
664 * move the read somewhere else -- but still be smart
665 * enough to only do the read if the caller has
666 * specified something that will need it.
668 if (server_shutting_down) {
669 if (need_to_free_re) regfree(&re);
673 GetMetaData(&smi, msglist[a]);
675 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
676 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
682 num_msgs = sort_msglist(msglist, num_msgs);
684 /* If a template was supplied, filter out the messages which
685 * don't match. (This could induce some delays!)
688 if (compare != NULL) {
689 for (a = 0; a < num_msgs; ++a) {
690 if (server_shutting_down) {
691 if (need_to_free_re) regfree(&re);
695 msg = CtdlFetchMessage(msglist[a], 1);
697 if (CtdlMsgCmp(msg, compare)) {
700 CtdlFreeMessage(msg);
706 /* If a search string was specified, get a message list from
707 * the full text index and remove messages which aren't on both
711 * Since the lists are sorted and strictly ascending, and the
712 * output list is guaranteed to be shorter than or equal to the
713 * input list, we overwrite the bottom of the input list. This
714 * eliminates the need to memmove big chunks of the list over and
717 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
719 /* Call search module via hook mechanism.
720 * NULL means use any search function available.
721 * otherwise replace with a char * to name of search routine
723 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
725 if (num_search_msgs > 0) {
729 orig_num_msgs = num_msgs;
731 for (i=0; i<orig_num_msgs; ++i) {
732 for (j=0; j<num_search_msgs; ++j) {
733 if (msglist[i] == search_msgs[j]) {
734 msglist[num_msgs++] = msglist[i];
740 num_msgs = 0; /* No messages qualify */
742 if (search_msgs != NULL) free(search_msgs);
744 /* Now that we've purged messages which don't contain the search
745 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
752 * Now iterate through the message list, according to the
753 * criteria supplied by the caller.
756 for (a = 0; a < num_msgs; ++a) {
757 if (server_shutting_down) {
758 if (need_to_free_re) regfree(&re);
760 return num_processed;
762 thismsg = msglist[a];
763 if (mode == MSGS_ALL) {
767 is_seen = is_msg_in_sequence_set(
768 vbuf.v_seen, thismsg);
769 if (is_seen) lastold = thismsg;
775 || ((mode == MSGS_OLD) && (is_seen))
776 || ((mode == MSGS_NEW) && (!is_seen))
777 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
778 || ((mode == MSGS_FIRST) && (a < ref))
779 || ((mode == MSGS_GT) && (thismsg > ref))
780 || ((mode == MSGS_LT) && (thismsg < ref))
781 || ((mode == MSGS_EQ) && (thismsg == ref))
784 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
786 CallBack(lastold, userdata);
790 if (CallBack) CallBack(thismsg, userdata);
794 if (need_to_free_re) regfree(&re);
797 * We cache the most recent msglist in order to do security checks later
799 if (CC->client_socket > 0) {
800 if (CC->cached_msglist != NULL) {
801 free(CC->cached_msglist);
803 CC->cached_msglist = msglist;
804 CC->cached_num_msgs = num_msgs;
810 return num_processed;
816 * cmd_msgs() - get list of message #'s in this room
817 * implements the MSGS server command using CtdlForEachMessage()
819 void cmd_msgs(char *cmdbuf)
828 int with_template = 0;
829 struct CtdlMessage *template = NULL;
830 char search_string[1024];
831 ForEachMsgCallback CallBack;
833 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
835 extract_token(which, cmdbuf, 0, '|', sizeof which);
836 cm_ref = extract_int(cmdbuf, 1);
837 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
838 with_template = extract_int(cmdbuf, 2);
839 switch (extract_int(cmdbuf, 3))
843 CallBack = simple_listing;
846 CallBack = headers_listing;
849 CallBack = headers_euid;
854 if (!strncasecmp(which, "OLD", 3))
856 else if (!strncasecmp(which, "NEW", 3))
858 else if (!strncasecmp(which, "FIRST", 5))
860 else if (!strncasecmp(which, "LAST", 4))
862 else if (!strncasecmp(which, "GT", 2))
864 else if (!strncasecmp(which, "LT", 2))
866 else if (!strncasecmp(which, "SEARCH", 6))
871 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
872 cprintf("%d Full text index is not enabled on this server.\n",
873 ERROR + CMD_NOT_SUPPORTED);
879 cprintf("%d Send template then receive message list\n",
881 template = (struct CtdlMessage *)
882 malloc(sizeof(struct CtdlMessage));
883 memset(template, 0, sizeof(struct CtdlMessage));
884 template->cm_magic = CTDLMESSAGE_MAGIC;
885 template->cm_anon_type = MES_NORMAL;
887 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
888 extract_token(tfield, buf, 0, '|', sizeof tfield);
889 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
890 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
891 if (!strcasecmp(tfield, msgkeys[i])) {
892 template->cm_fields[i] =
900 cprintf("%d \n", LISTING_FOLLOWS);
903 CtdlForEachMessage(mode,
904 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
905 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
910 if (template != NULL) CtdlFreeMessage(template);
918 * help_subst() - support routine for help file viewer
920 void help_subst(char *strbuf, char *source, char *dest)
925 while (p = pattern2(strbuf, source), (p >= 0)) {
926 strcpy(workbuf, &strbuf[p + strlen(source)]);
927 strcpy(&strbuf[p], dest);
928 strcat(strbuf, workbuf);
933 void do_help_subst(char *buffer)
937 help_subst(buffer, "^nodename", config.c_nodename);
938 help_subst(buffer, "^humannode", config.c_humannode);
939 help_subst(buffer, "^fqdn", config.c_fqdn);
940 help_subst(buffer, "^username", CC->user.fullname);
941 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
942 help_subst(buffer, "^usernum", buf2);
943 help_subst(buffer, "^sysadm", config.c_sysadm);
944 help_subst(buffer, "^variantname", CITADEL);
945 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
946 help_subst(buffer, "^maxsessions", buf2);
947 help_subst(buffer, "^bbsdir", ctdl_message_dir);
953 * memfmout() - Citadel text formatter and paginator.
954 * Although the original purpose of this routine was to format
955 * text to the reader's screen width, all we're really using it
956 * for here is to format text out to 80 columns before sending it
957 * to the client. The client software may reformat it again.
960 char *mptr, /* where are we going to get our text from? */
961 const char *nl /* string to terminate lines with */
964 unsigned char ch = 0;
971 while (ch=*(mptr++), ch != 0) {
974 if (client_write(outbuf, len) == -1)
976 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
980 if (client_write(nl, nllen) == -1)
982 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
987 else if (ch == '\r') {
988 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
990 else if (isspace(ch)) {
991 if (column > 72) { /* Beyond 72 columns, break on the next space */
992 if (client_write(outbuf, len) == -1)
994 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
998 if (client_write(nl, nllen) == -1)
1000 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1013 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
1014 if (client_write(outbuf, len) == -1)
1016 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1020 if (client_write(nl, nllen) == -1)
1022 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1030 if (client_write(outbuf, len) == -1)
1032 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1036 client_write(nl, nllen);
1044 * Callback function for mime parser that simply lists the part
1046 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1047 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1048 char *cbid, void *cbuserdata)
1052 ma = (struct ma_info *)cbuserdata;
1053 if (ma->is_ma == 0) {
1054 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1067 * Callback function for multipart prefix
1069 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1070 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1071 char *cbid, void *cbuserdata)
1075 ma = (struct ma_info *)cbuserdata;
1076 if (!strcasecmp(cbtype, "multipart/alternative")) {
1080 if (ma->is_ma == 0) {
1081 cprintf("pref=%s|%s\n", partnum, cbtype);
1086 * Callback function for multipart sufffix
1088 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1089 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1090 char *cbid, void *cbuserdata)
1094 ma = (struct ma_info *)cbuserdata;
1095 if (ma->is_ma == 0) {
1096 cprintf("suff=%s|%s\n", partnum, cbtype);
1098 if (!strcasecmp(cbtype, "multipart/alternative")) {
1105 * Callback function for mime parser that opens a section for downloading
1107 void mime_download(char *name, char *filename, char *partnum, char *disp,
1108 void *content, char *cbtype, char *cbcharset, size_t length,
1109 char *encoding, char *cbid, void *cbuserdata)
1112 CitContext *CCC = MyContext();
1114 /* Silently go away if there's already a download open. */
1115 if (CCC->download_fp != NULL)
1119 (!IsEmptyStr(partnum) && (!strcasecmp(CCC->download_desired_section, partnum)))
1120 || (!IsEmptyStr(cbid) && (!strcasecmp(CCC->download_desired_section, cbid)))
1122 CCC->download_fp = tmpfile();
1123 if (CCC->download_fp == NULL) {
1124 syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1126 cprintf("%d cannot open temporary file: %s\n",
1127 ERROR + INTERNAL_ERROR, strerror(errno));
1131 rv = fwrite(content, length, 1, CC->download_fp);
1133 syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1135 cprintf("%d unable to write tempfile.\n",
1137 fclose(CCC->download_fp);
1138 CCC->download_fp = NULL;
1141 fflush(CCC->download_fp);
1142 rewind(CCC->download_fp);
1144 OpenCmdResult(filename, cbtype);
1151 * Callback function for mime parser that outputs a section all at once.
1152 * We can specify the desired section by part number *or* content-id.
1154 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1155 void *content, char *cbtype, char *cbcharset, size_t length,
1156 char *encoding, char *cbid, void *cbuserdata)
1158 int *found_it = (int *)cbuserdata;
1161 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1162 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1165 cprintf("%d %d|-1|%s|%s|%s\n",
1172 client_write(content, length);
1178 * Load a message from disk into memory.
1179 * This is used by CtdlOutputMsg() and other fetch functions.
1181 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1182 * using the CtdlMessageFree() function.
1184 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1186 struct cdbdata *dmsgtext;
1187 struct CtdlMessage *ret = NULL;
1191 cit_uint8_t field_header;
1193 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1194 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1195 if (dmsgtext == NULL) {
1198 mptr = dmsgtext->ptr;
1199 upper_bound = mptr + dmsgtext->len;
1201 /* Parse the three bytes that begin EVERY message on disk.
1202 * The first is always 0xFF, the on-disk magic number.
1203 * The second is the anonymous/public type byte.
1204 * The third is the format type byte (vari, fixed, or MIME).
1208 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1212 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1213 memset(ret, 0, sizeof(struct CtdlMessage));
1215 ret->cm_magic = CTDLMESSAGE_MAGIC;
1216 ret->cm_anon_type = *mptr++; /* Anon type byte */
1217 ret->cm_format_type = *mptr++; /* Format type byte */
1220 * The rest is zero or more arbitrary fields. Load them in.
1221 * We're done when we encounter either a zero-length field or
1222 * have just processed the 'M' (message text) field.
1225 if (mptr >= upper_bound) {
1228 field_header = *mptr++;
1229 ret->cm_fields[field_header] = strdup(mptr);
1231 while (*mptr++ != 0); /* advance to next field */
1233 } while ((mptr < upper_bound) && (field_header != 'M'));
1237 /* Always make sure there's something in the msg text field. If
1238 * it's NULL, the message text is most likely stored separately,
1239 * so go ahead and fetch that. Failing that, just set a dummy
1240 * body so other code doesn't barf.
1242 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1243 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1244 if (dmsgtext != NULL) {
1245 ret->cm_fields['M'] = dmsgtext->ptr;
1246 dmsgtext->ptr = NULL;
1250 if (ret->cm_fields['M'] == NULL) {
1251 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1254 /* Perform "before read" hooks (aborting if any return nonzero) */
1255 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1256 CtdlFreeMessage(ret);
1265 * Returns 1 if the supplied pointer points to a valid Citadel message.
1266 * If the pointer is NULL or the magic number check fails, returns 0.
1268 int is_valid_message(struct CtdlMessage *msg) {
1271 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1272 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1278 void CtdlFreeMessageContents(struct CtdlMessage *msg)
1282 for (i = 0; i < 256; ++i)
1283 if (msg->cm_fields[i] != NULL) {
1284 free(msg->cm_fields[i]);
1287 msg->cm_magic = 0; /* just in case */
1290 * 'Destructor' for struct CtdlMessage
1292 void CtdlFreeMessage(struct CtdlMessage *msg)
1294 if (is_valid_message(msg) == 0)
1296 if (msg != NULL) free (msg);
1299 CtdlFreeMessageContents(msg);
1305 * Pre callback function for multipart/alternative
1307 * NOTE: this differs from the standard behavior for a reason. Normally when
1308 * displaying multipart/alternative you want to show the _last_ usable
1309 * format in the message. Here we show the _first_ one, because it's
1310 * usually text/plain. Since this set of functions is designed for text
1311 * output to non-MIME-aware clients, this is the desired behavior.
1314 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1315 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1316 char *cbid, void *cbuserdata)
1320 ma = (struct ma_info *)cbuserdata;
1321 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1322 if (!strcasecmp(cbtype, "multipart/alternative")) {
1326 if (!strcasecmp(cbtype, "message/rfc822")) {
1332 * Post callback function for multipart/alternative
1334 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1335 void *content, char *cbtype, char *cbcharset, size_t length,
1336 char *encoding, char *cbid, void *cbuserdata)
1340 ma = (struct ma_info *)cbuserdata;
1341 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1342 if (!strcasecmp(cbtype, "multipart/alternative")) {
1346 if (!strcasecmp(cbtype, "message/rfc822")) {
1352 * Inline callback function for mime parser that wants to display text
1354 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1355 void *content, char *cbtype, char *cbcharset, size_t length,
1356 char *encoding, char *cbid, void *cbuserdata)
1363 ma = (struct ma_info *)cbuserdata;
1366 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1367 partnum, filename, cbtype, (long)length);
1370 * If we're in the middle of a multipart/alternative scope and
1371 * we've already printed another section, skip this one.
1373 if ( (ma->is_ma) && (ma->did_print) ) {
1374 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1379 if ( (!strcasecmp(cbtype, "text/plain"))
1380 || (IsEmptyStr(cbtype)) ) {
1383 client_write(wptr, length);
1384 if (wptr[length-1] != '\n') {
1391 if (!strcasecmp(cbtype, "text/html")) {
1392 ptr = html_to_ascii(content, length, 80, 0);
1394 client_write(ptr, wlen);
1395 if ((wlen > 0) && (ptr[wlen-1] != '\n')) {
1402 if (ma->use_fo_hooks) {
1403 if (PerformFixedOutputHooks(cbtype, content, length)) {
1404 /* above function returns nonzero if it handled the part */
1409 if (strncasecmp(cbtype, "multipart/", 10)) {
1410 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1411 partnum, filename, cbtype, (long)length);
1417 * The client is elegant and sophisticated and wants to be choosy about
1418 * MIME content types, so figure out which multipart/alternative part
1419 * we're going to send.
1421 * We use a system of weights. When we find a part that matches one of the
1422 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1423 * and then set ma->chosen_pref to that MIME type's position in our preference
1424 * list. If we then hit another match, we only replace the first match if
1425 * the preference value is lower.
1427 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1428 void *content, char *cbtype, char *cbcharset, size_t length,
1429 char *encoding, char *cbid, void *cbuserdata)
1435 ma = (struct ma_info *)cbuserdata;
1437 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1438 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1439 // I don't know if there are any side effects! Please TEST TEST TEST
1440 //if (ma->is_ma > 0) {
1442 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1443 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1444 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1445 if (i < ma->chosen_pref) {
1446 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1447 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1448 ma->chosen_pref = i;
1455 * Now that we've chosen our preferred part, output it.
1457 void output_preferred(char *name,
1471 int add_newline = 0;
1474 char *decoded = NULL;
1475 size_t bytes_decoded;
1478 ma = (struct ma_info *)cbuserdata;
1480 /* This is not the MIME part you're looking for... */
1481 if (strcasecmp(partnum, ma->chosen_part)) return;
1483 /* If the content-type of this part is in our preferred formats
1484 * list, we can simply output it verbatim.
1486 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1487 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1488 if (!strcasecmp(buf, cbtype)) {
1489 /* Yeah! Go! W00t!! */
1490 if (ma->dont_decode == 0)
1491 rc = mime_decode_now (content,
1497 break; /* Give us the chance, maybe theres another one. */
1499 if (rc == 0) text_content = (char *)content;
1501 text_content = decoded;
1502 length = bytes_decoded;
1505 if (text_content[length-1] != '\n') {
1508 cprintf("Content-type: %s", cbtype);
1509 if (!IsEmptyStr(cbcharset)) {
1510 cprintf("; charset=%s", cbcharset);
1512 cprintf("\nContent-length: %d\n",
1513 (int)(length + add_newline) );
1514 if (!IsEmptyStr(encoding)) {
1515 cprintf("Content-transfer-encoding: %s\n", encoding);
1518 cprintf("Content-transfer-encoding: 7bit\n");
1520 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1522 if (client_write(text_content, length) == -1)
1524 syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1527 if (add_newline) cprintf("\n");
1528 if (decoded != NULL) free(decoded);
1533 /* No translations required or possible: output as text/plain */
1534 cprintf("Content-type: text/plain\n\n");
1536 if (ma->dont_decode == 0)
1537 rc = mime_decode_now (content,
1543 return; /* Give us the chance, maybe theres another one. */
1545 if (rc == 0) text_content = (char *)content;
1547 text_content = decoded;
1548 length = bytes_decoded;
1551 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1552 length, encoding, cbid, cbuserdata);
1553 if (decoded != NULL) free(decoded);
1558 char desired_section[64];
1565 * Callback function for
1567 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1568 void *content, char *cbtype, char *cbcharset, size_t length,
1569 char *encoding, char *cbid, void *cbuserdata)
1571 struct encapmsg *encap;
1573 encap = (struct encapmsg *)cbuserdata;
1575 /* Only proceed if this is the desired section... */
1576 if (!strcasecmp(encap->desired_section, partnum)) {
1577 encap->msglen = length;
1578 encap->msg = malloc(length + 2);
1579 memcpy(encap->msg, content, length);
1586 * Determine whether the specified message exists in the cached_msglist
1587 * (This is a security check)
1589 int check_cached_msglist(long msgnum) {
1591 /* cases in which we skip the check */
1592 if (!CC) return om_ok; /* not a session */
1593 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1594 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1595 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1598 /* Do a binary search within the cached_msglist for the requested msgnum */
1600 int max = (CC->cached_num_msgs - 1);
1602 while (max >= min) {
1603 int middle = min + (max-min) / 2 ;
1604 if (msgnum == CC->cached_msglist[middle]) {
1607 if (msgnum > CC->cached_msglist[middle]) {
1615 return om_access_denied;
1620 * Determine whether the currently logged in session has permission to read
1621 * messages in the current room.
1623 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1624 if ( (!(CC->logged_in))
1625 && (!(CC->internal_pgm))
1626 && (!config.c_guest_logins)
1628 return(om_not_logged_in);
1635 * Get a message off disk. (returns om_* values found in msgbase.h)
1638 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1639 int mode, /* how would you like that message? */
1640 int headers_only, /* eschew the message body? */
1641 int do_proto, /* do Citadel protocol responses? */
1642 int crlf, /* Use CRLF newlines instead of LF? */
1643 char *section, /* NULL or a message/rfc822 section */
1644 int flags /* various flags; see msgbase.h */
1646 struct CtdlMessage *TheMessage = NULL;
1647 int retcode = om_no_such_msg;
1648 struct encapmsg encap;
1651 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1653 (section ? section : "<>")
1656 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1659 if (r == om_not_logged_in) {
1660 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1663 cprintf("%d An unknown error has occurred.\n", ERROR);
1670 * Check to make sure the message is actually IN this room
1672 r = check_cached_msglist(msg_num);
1673 if (r == om_access_denied) {
1674 /* Not in the cache? We get ONE shot to check it again. */
1675 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1676 r = check_cached_msglist(msg_num);
1679 syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1680 msg_num, CC->room.QRname
1683 if (r == om_access_denied) {
1684 cprintf("%d message %ld was not found in this room\n",
1685 ERROR + HIGHER_ACCESS_REQUIRED,
1694 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1695 * request that we don't even bother loading the body into memory.
1697 if (headers_only == HEADERS_FAST) {
1698 TheMessage = CtdlFetchMessage(msg_num, 0);
1701 TheMessage = CtdlFetchMessage(msg_num, 1);
1704 if (TheMessage == NULL) {
1705 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1706 ERROR + MESSAGE_NOT_FOUND, msg_num);
1707 return(om_no_such_msg);
1710 /* Here is the weird form of this command, to process only an
1711 * encapsulated message/rfc822 section.
1713 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1714 memset(&encap, 0, sizeof encap);
1715 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1716 mime_parser(TheMessage->cm_fields['M'],
1718 *extract_encapsulated_message,
1719 NULL, NULL, (void *)&encap, 0
1721 CtdlFreeMessage(TheMessage);
1725 encap.msg[encap.msglen] = 0;
1726 TheMessage = convert_internet_message(encap.msg);
1727 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1729 /* Now we let it fall through to the bottom of this
1730 * function, because TheMessage now contains the
1731 * encapsulated message instead of the top-level
1732 * message. Isn't that neat?
1737 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1738 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1739 retcode = om_no_such_msg;
1744 /* Ok, output the message now */
1745 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1746 CtdlFreeMessage(TheMessage);
1752 char *qp_encode_email_addrs(char *source)
1754 char *user, *node, *name;
1755 const char headerStr[] = "=?UTF-8?Q?";
1759 int need_to_encode = 0;
1765 long nAddrPtrMax = 50;
1770 if (source == NULL) return source;
1771 if (IsEmptyStr(source)) return source;
1773 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1775 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1776 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1777 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1780 while (!IsEmptyStr (&source[i])) {
1781 if (nColons >= nAddrPtrMax){
1784 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1785 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1786 free (AddrPtr), AddrPtr = ptr;
1788 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1789 memset(&ptr[nAddrPtrMax], 0,
1790 sizeof (long) * nAddrPtrMax);
1792 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1793 free (AddrUtf8), AddrUtf8 = ptr;
1796 if (((unsigned char) source[i] < 32) ||
1797 ((unsigned char) source[i] > 126)) {
1799 AddrUtf8[nColons] = 1;
1801 if (source[i] == '"')
1802 InQuotes = !InQuotes;
1803 if (!InQuotes && source[i] == ',') {
1804 AddrPtr[nColons] = i;
1809 if (need_to_encode == 0) {
1816 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1817 Encoded = (char*) malloc (EncodedMaxLen);
1819 for (i = 0; i < nColons; i++)
1820 source[AddrPtr[i]++] = '\0';
1821 /* TODO: if libidn, this might get larger*/
1822 user = malloc(SourceLen + 1);
1823 node = malloc(SourceLen + 1);
1824 name = malloc(SourceLen + 1);
1828 for (i = 0; i < nColons && nPtr != NULL; i++) {
1829 nmax = EncodedMaxLen - (nPtr - Encoded);
1831 process_rfc822_addr(&source[AddrPtr[i]],
1835 /* TODO: libIDN here ! */
1836 if (IsEmptyStr(name)) {
1837 n = snprintf(nPtr, nmax,
1838 (i==0)?"%s@%s" : ",%s@%s",
1842 EncodedName = rfc2047encode(name, strlen(name));
1843 n = snprintf(nPtr, nmax,
1844 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1845 EncodedName, user, node);
1850 n = snprintf(nPtr, nmax,
1851 (i==0)?"%s" : ",%s",
1852 &source[AddrPtr[i]]);
1858 ptr = (char*) malloc(EncodedMaxLen * 2);
1859 memcpy(ptr, Encoded, EncodedMaxLen);
1860 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1861 free(Encoded), Encoded = ptr;
1863 i--; /* do it once more with properly lengthened buffer */
1866 for (i = 0; i < nColons; i++)
1867 source[--AddrPtr[i]] = ',';
1878 /* If the last item in a list of recipients was truncated to a partial address,
1879 * remove it completely in order to avoid choking libSieve
1881 void sanitize_truncated_recipient(char *str)
1884 if (num_tokens(str, ',') < 2) return;
1886 int len = strlen(str);
1887 if (len < 900) return;
1888 if (len > 998) str[998] = 0;
1890 char *cptr = strrchr(str, ',');
1893 char *lptr = strchr(cptr, '<');
1894 char *rptr = strchr(cptr, '>');
1896 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1902 void OutputCtdlMsgHeaders(
1903 struct CtdlMessage *TheMessage,
1904 int do_proto) /* do Citadel protocol responses? */
1910 char display_name[256];
1912 /* begin header processing loop for Citadel message format */
1913 safestrncpy(display_name, "<unknown>", sizeof display_name);
1914 if (TheMessage->cm_fields['A']) {
1915 strcpy(buf, TheMessage->cm_fields['A']);
1916 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1917 safestrncpy(display_name, "****", sizeof display_name);
1919 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1920 safestrncpy(display_name, "anonymous", sizeof display_name);
1923 safestrncpy(display_name, buf, sizeof display_name);
1925 if ((is_room_aide())
1926 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1927 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1928 size_t tmp = strlen(display_name);
1929 snprintf(&display_name[tmp],
1930 sizeof display_name - tmp,
1935 /* Don't show Internet address for users on the
1936 * local Citadel network.
1939 if (TheMessage->cm_fields['N'] != NULL)
1940 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1941 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1945 /* Now spew the header fields in the order we like them. */
1946 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1947 for (i=0; i<n; ++i) {
1948 k = (int) allkeys[i];
1950 if ( (TheMessage->cm_fields[k] != NULL)
1951 && (msgkeys[k] != NULL) ) {
1952 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1953 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1956 if (do_proto) cprintf("%s=%s\n",
1960 else if ((k == 'F') && (suppress_f)) {
1963 /* Masquerade display name if needed */
1965 if (do_proto) cprintf("%s=%s\n",
1967 TheMessage->cm_fields[k]
1976 void OutputRFC822MsgHeaders(
1977 struct CtdlMessage *TheMessage,
1978 int flags, /* should the bessage be exported clean */
1980 char *mid, long sizeof_mid,
1981 char *suser, long sizeof_suser,
1982 char *luser, long sizeof_luser,
1983 char *fuser, long sizeof_fuser,
1984 char *snode, long sizeof_snode)
1986 char datestamp[100];
1987 int subject_found = 0;
1994 for (i = 0; i < 256; ++i) {
1995 if (TheMessage->cm_fields[i]) {
1996 mptr = mpptr = TheMessage->cm_fields[i];
1999 safestrncpy(luser, mptr, sizeof_luser);
2000 safestrncpy(suser, mptr, sizeof_suser);
2002 else if (i == 'Y') {
2003 if ((flags & QP_EADDR) != 0) {
2004 mptr = qp_encode_email_addrs(mptr);
2006 sanitize_truncated_recipient(mptr);
2007 cprintf("CC: %s%s", mptr, nl);
2009 else if (i == 'P') {
2010 cprintf("Return-Path: %s%s", mptr, nl);
2012 else if (i == 'L') {
2013 cprintf("List-ID: %s%s", mptr, nl);
2015 else if (i == 'V') {
2016 if ((flags & QP_EADDR) != 0)
2017 mptr = qp_encode_email_addrs(mptr);
2019 while ((*hptr != '\0') && isspace(*hptr))
2021 if (!IsEmptyStr(hptr))
2022 cprintf("Envelope-To: %s%s", hptr, nl);
2024 else if (i == 'U') {
2025 cprintf("Subject: %s%s", mptr, nl);
2029 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2031 safestrncpy(fuser, mptr, sizeof_fuser);
2032 /* else if (i == 'O')
2033 cprintf("X-Citadel-Room: %s%s",
2036 safestrncpy(snode, mptr, sizeof_snode);
2039 if (haschar(mptr, '@') == 0)
2041 sanitize_truncated_recipient(mptr);
2042 cprintf("To: %s@%s", mptr, config.c_fqdn);
2047 if ((flags & QP_EADDR) != 0) {
2048 mptr = qp_encode_email_addrs(mptr);
2050 sanitize_truncated_recipient(mptr);
2051 cprintf("To: %s", mptr);
2055 else if (i == 'T') {
2056 datestring(datestamp, sizeof datestamp,
2057 atol(mptr), DATESTRING_RFC822);
2058 cprintf("Date: %s%s", datestamp, nl);
2060 else if (i == 'W') {
2061 cprintf("References: ");
2062 k = num_tokens(mptr, '|');
2063 for (j=0; j<k; ++j) {
2064 extract_token(buf, mptr, j, '|', sizeof buf);
2065 cprintf("<%s>", buf);
2074 else if (i == 'K') {
2076 while ((*hptr != '\0') && isspace(*hptr))
2078 if (!IsEmptyStr(hptr))
2079 cprintf("Reply-To: %s%s", mptr, nl);
2085 if (subject_found == 0) {
2086 cprintf("Subject: (no subject)%s", nl);
2091 void Dump_RFC822HeadersBody(
2092 struct CtdlMessage *TheMessage,
2093 int headers_only, /* eschew the message body? */
2094 int flags, /* should the bessage be exported clean? */
2098 cit_uint8_t prev_ch;
2100 const char *StartOfText = StrBufNOTNULL;
2103 int nllen = strlen(nl);
2106 mptr = TheMessage->cm_fields['M'];
2110 while (*mptr != '\0') {
2111 if (*mptr == '\r') {
2118 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2120 eoh = *(mptr+1) == '\n';
2124 StartOfText = strchr(StartOfText, '\n');
2125 StartOfText = strchr(StartOfText, '\n');
2128 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2129 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2130 ((headers_only != HEADERS_NONE) &&
2131 (headers_only != HEADERS_ONLY))
2133 if (*mptr == '\n') {
2134 memcpy(&outbuf[outlen], nl, nllen);
2136 outbuf[outlen] = '\0';
2139 outbuf[outlen++] = *mptr;
2143 if (flags & ESC_DOT)
2145 if ((prev_ch == '\n') &&
2147 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2149 outbuf[outlen++] = '.';
2154 if (outlen > 1000) {
2155 if (client_write(outbuf, outlen) == -1)
2157 syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2164 client_write(outbuf, outlen);
2171 /* If the format type on disk is 1 (fixed-format), then we want
2172 * everything to be output completely literally ... regardless of
2173 * what message transfer format is in use.
2175 void DumpFormatFixed(
2176 struct CtdlMessage *TheMessage,
2177 int mode, /* how would you like that message? */
2184 int nllen = strlen (nl);
2187 mptr = TheMessage->cm_fields['M'];
2189 if (mode == MT_MIME) {
2190 cprintf("Content-type: text/plain\n\n");
2194 while (ch = *mptr++, ch > 0) {
2198 if ((buflen > 250) && (!xlline)){
2202 while ((buflen > 0) &&
2203 (!isspace(buf[buflen])))
2209 mptr -= tbuflen - buflen;
2214 /* if we reach the outer bounds of our buffer,
2215 abort without respect what whe purge. */
2218 (buflen > SIZ - nllen - 2)))
2222 memcpy (&buf[buflen], nl, nllen);
2226 if (client_write(buf, buflen) == -1)
2228 syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2240 if (!IsEmptyStr(buf))
2241 cprintf("%s%s", buf, nl);
2245 * Get a message off disk. (returns om_* values found in msgbase.h)
2247 int CtdlOutputPreLoadedMsg(
2248 struct CtdlMessage *TheMessage,
2249 int mode, /* how would you like that message? */
2250 int headers_only, /* eschew the message body? */
2251 int do_proto, /* do Citadel protocol responses? */
2252 int crlf, /* Use CRLF newlines instead of LF? */
2253 int flags /* should the bessage be exported clean? */
2257 const char *nl; /* newline string */
2260 /* Buffers needed for RFC822 translation. These are all filled
2261 * using functions that are bounds-checked, and therefore we can
2262 * make them substantially smaller than SIZ.
2270 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2271 ((TheMessage == NULL) ? "NULL" : "not null"),
2272 mode, headers_only, do_proto, crlf);
2274 strcpy(mid, "unknown");
2275 nl = (crlf ? "\r\n" : "\n");
2277 if (!is_valid_message(TheMessage)) {
2279 "ERROR: invalid preloaded message for output\n");
2281 return(om_no_such_msg);
2284 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2285 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2287 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2288 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2291 /* Are we downloading a MIME component? */
2292 if (mode == MT_DOWNLOAD) {
2293 if (TheMessage->cm_format_type != FMT_RFC822) {
2295 cprintf("%d This is not a MIME message.\n",
2296 ERROR + ILLEGAL_VALUE);
2297 } else if (CC->download_fp != NULL) {
2298 if (do_proto) cprintf(
2299 "%d You already have a download open.\n",
2300 ERROR + RESOURCE_BUSY);
2302 /* Parse the message text component */
2303 mptr = TheMessage->cm_fields['M'];
2304 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2305 /* If there's no file open by this time, the requested
2306 * section wasn't found, so print an error
2308 if (CC->download_fp == NULL) {
2309 if (do_proto) cprintf(
2310 "%d Section %s not found.\n",
2311 ERROR + FILE_NOT_FOUND,
2312 CC->download_desired_section);
2315 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2318 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2319 * in a single server operation instead of opening a download file.
2321 if (mode == MT_SPEW_SECTION) {
2322 if (TheMessage->cm_format_type != FMT_RFC822) {
2324 cprintf("%d This is not a MIME message.\n",
2325 ERROR + ILLEGAL_VALUE);
2327 /* Parse the message text component */
2330 mptr = TheMessage->cm_fields['M'];
2331 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2332 /* If section wasn't found, print an error
2335 if (do_proto) cprintf(
2336 "%d Section %s not found.\n",
2337 ERROR + FILE_NOT_FOUND,
2338 CC->download_desired_section);
2341 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2344 /* now for the user-mode message reading loops */
2345 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2347 /* Does the caller want to skip the headers? */
2348 if (headers_only == HEADERS_NONE) goto START_TEXT;
2350 /* Tell the client which format type we're using. */
2351 if ( (mode == MT_CITADEL) && (do_proto) ) {
2352 cprintf("type=%d\n", TheMessage->cm_format_type);
2355 /* nhdr=yes means that we're only displaying headers, no body */
2356 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2357 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2360 cprintf("nhdr=yes\n");
2363 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2364 OutputCtdlMsgHeaders(TheMessage, do_proto);
2367 /* begin header processing loop for RFC822 transfer format */
2371 strcpy(snode, NODENAME);
2372 if (mode == MT_RFC822)
2373 OutputRFC822MsgHeaders(
2378 suser, sizeof(suser),
2379 luser, sizeof(luser),
2380 fuser, sizeof(fuser),
2381 snode, sizeof(snode)
2385 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2386 suser[i] = tolower(suser[i]);
2387 if (!isalnum(suser[i])) suser[i]='_';
2390 if (mode == MT_RFC822) {
2391 if (!strcasecmp(snode, NODENAME)) {
2392 safestrncpy(snode, FQDN, sizeof snode);
2395 /* Construct a fun message id */
2396 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2397 if (strchr(mid, '@')==NULL) {
2398 cprintf("@%s", snode);
2402 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2403 cprintf("From: \"----\" <x@x.org>%s", nl);
2405 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2406 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2408 else if (!IsEmptyStr(fuser)) {
2409 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2412 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2415 /* Blank line signifying RFC822 end-of-headers */
2416 if (TheMessage->cm_format_type != FMT_RFC822) {
2421 /* end header processing loop ... at this point, we're in the text */
2423 if (headers_only == HEADERS_FAST) goto DONE;
2425 /* Tell the client about the MIME parts in this message */
2426 if (TheMessage->cm_format_type == FMT_RFC822) {
2427 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2428 mptr = TheMessage->cm_fields['M'];
2429 memset(&ma, 0, sizeof(struct ma_info));
2430 mime_parser(mptr, NULL,
2431 (do_proto ? *list_this_part : NULL),
2432 (do_proto ? *list_this_pref : NULL),
2433 (do_proto ? *list_this_suff : NULL),
2436 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2437 Dump_RFC822HeadersBody(
2446 if (headers_only == HEADERS_ONLY) {
2450 /* signify start of msg text */
2451 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2452 if (do_proto) cprintf("text\n");
2455 if (TheMessage->cm_format_type == FMT_FIXED)
2458 mode, /* how would you like that message? */
2461 /* If the message on disk is format 0 (Citadel vari-format), we
2462 * output using the formatter at 80 columns. This is the final output
2463 * form if the transfer format is RFC822, but if the transfer format
2464 * is Citadel proprietary, it'll still work, because the indentation
2465 * for new paragraphs is correct and the client will reformat the
2466 * message to the reader's screen width.
2468 if (TheMessage->cm_format_type == FMT_CITADEL) {
2469 mptr = TheMessage->cm_fields['M'];
2471 if (mode == MT_MIME) {
2472 cprintf("Content-type: text/x-citadel-variformat\n\n");
2477 /* If the message on disk is format 4 (MIME), we've gotta hand it
2478 * off to the MIME parser. The client has already been told that
2479 * this message is format 1 (fixed format), so the callback function
2480 * we use will display those parts as-is.
2482 if (TheMessage->cm_format_type == FMT_RFC822) {
2483 memset(&ma, 0, sizeof(struct ma_info));
2485 if (mode == MT_MIME) {
2486 ma.use_fo_hooks = 0;
2487 strcpy(ma.chosen_part, "1");
2488 ma.chosen_pref = 9999;
2489 ma.dont_decode = CC->msg4_dont_decode;
2490 mime_parser(mptr, NULL,
2491 *choose_preferred, *fixed_output_pre,
2492 *fixed_output_post, (void *)&ma, 1);
2493 mime_parser(mptr, NULL,
2494 *output_preferred, NULL, NULL, (void *)&ma, 1);
2497 ma.use_fo_hooks = 1;
2498 mime_parser(mptr, NULL,
2499 *fixed_output, *fixed_output_pre,
2500 *fixed_output_post, (void *)&ma, 0);
2505 DONE: /* now we're done */
2506 if (do_proto) cprintf("000\n");
2512 * display a message (mode 0 - Citadel proprietary)
2514 void cmd_msg0(char *cmdbuf)
2517 int headers_only = HEADERS_ALL;
2519 msgid = extract_long(cmdbuf, 0);
2520 headers_only = extract_int(cmdbuf, 1);
2522 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2528 * display a message (mode 2 - RFC822)
2530 void cmd_msg2(char *cmdbuf)
2533 int headers_only = HEADERS_ALL;
2535 msgid = extract_long(cmdbuf, 0);
2536 headers_only = extract_int(cmdbuf, 1);
2538 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2544 * display a message (mode 3 - IGnet raw format - internal programs only)
2546 void cmd_msg3(char *cmdbuf)
2549 struct CtdlMessage *msg = NULL;
2552 if (CC->internal_pgm == 0) {
2553 cprintf("%d This command is for internal programs only.\n",
2554 ERROR + HIGHER_ACCESS_REQUIRED);
2558 msgnum = extract_long(cmdbuf, 0);
2559 msg = CtdlFetchMessage(msgnum, 1);
2561 cprintf("%d Message %ld not found.\n",
2562 ERROR + MESSAGE_NOT_FOUND, msgnum);
2566 serialize_message(&smr, msg);
2567 CtdlFreeMessage(msg);
2570 cprintf("%d Unable to serialize message\n",
2571 ERROR + INTERNAL_ERROR);
2575 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2576 client_write((char *)smr.ser, (int)smr.len);
2583 * Display a message using MIME content types
2585 void cmd_msg4(char *cmdbuf)
2590 msgid = extract_long(cmdbuf, 0);
2591 extract_token(section, cmdbuf, 1, '|', sizeof section);
2592 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2598 * Client tells us its preferred message format(s)
2600 void cmd_msgp(char *cmdbuf)
2602 if (!strcasecmp(cmdbuf, "dont_decode")) {
2603 CC->msg4_dont_decode = 1;
2604 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2607 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2608 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2614 * Open a component of a MIME message as a download file
2616 void cmd_opna(char *cmdbuf)
2619 char desired_section[128];
2621 msgid = extract_long(cmdbuf, 0);
2622 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2623 safestrncpy(CC->download_desired_section, desired_section,
2624 sizeof CC->download_desired_section);
2625 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2630 * Open a component of a MIME message and transmit it all at once
2632 void cmd_dlat(char *cmdbuf)
2635 char desired_section[128];
2637 msgid = extract_long(cmdbuf, 0);
2638 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2639 safestrncpy(CC->download_desired_section, desired_section,
2640 sizeof CC->download_desired_section);
2641 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2646 * Save one or more message pointers into a specified room
2647 * (Returns 0 for success, nonzero for failure)
2648 * roomname may be NULL to use the current room
2650 * Note that the 'supplied_msg' field may be set to NULL, in which case
2651 * the message will be fetched from disk, by number, if we need to perform
2652 * replication checks. This adds an additional database read, so if the
2653 * caller already has the message in memory then it should be supplied. (Obviously
2654 * this mode of operation only works if we're saving a single message.)
2656 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2657 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2660 char hold_rm[ROOMNAMELEN];
2661 struct cdbdata *cdbfr;
2664 long highest_msg = 0L;
2667 struct CtdlMessage *msg = NULL;
2669 long *msgs_to_be_merged = NULL;
2670 int num_msgs_to_be_merged = 0;
2673 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2674 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2677 strcpy(hold_rm, CC->room.QRname);
2680 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2681 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2682 if (num_newmsgs > 1) supplied_msg = NULL;
2684 /* Now the regular stuff */
2685 if (CtdlGetRoomLock(&CC->room,
2686 ((roomname != NULL) ? roomname : CC->room.QRname) )
2688 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2689 return(ERROR + ROOM_NOT_FOUND);
2693 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2694 num_msgs_to_be_merged = 0;
2697 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2698 if (cdbfr == NULL) {
2702 msglist = (long *) cdbfr->ptr;
2703 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2704 num_msgs = cdbfr->len / sizeof(long);
2709 /* Create a list of msgid's which were supplied by the caller, but do
2710 * not already exist in the target room. It is absolutely taboo to
2711 * have more than one reference to the same message in a room.
2713 for (i=0; i<num_newmsgs; ++i) {
2715 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2716 if (msglist[j] == newmsgidlist[i]) {
2721 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2725 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2728 * Now merge the new messages
2730 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2731 if (msglist == NULL) {
2732 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2734 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2735 num_msgs += num_msgs_to_be_merged;
2737 /* Sort the message list, so all the msgid's are in order */
2738 num_msgs = sort_msglist(msglist, num_msgs);
2740 /* Determine the highest message number */
2741 highest_msg = msglist[num_msgs - 1];
2743 /* Write it back to disk. */
2744 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2745 msglist, (int)(num_msgs * sizeof(long)));
2747 /* Free up the memory we used. */
2750 /* Update the highest-message pointer and unlock the room. */
2751 CC->room.QRhighest = highest_msg;
2752 CtdlPutRoomLock(&CC->room);
2754 /* Perform replication checks if necessary */
2755 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2756 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2758 for (i=0; i<num_msgs_to_be_merged; ++i) {
2759 msgid = msgs_to_be_merged[i];
2761 if (supplied_msg != NULL) {
2765 msg = CtdlFetchMessage(msgid, 0);
2769 ReplicationChecks(msg);
2771 /* If the message has an Exclusive ID, index that... */
2772 if (msg->cm_fields['E'] != NULL) {
2773 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2776 /* Free up the memory we may have allocated */
2777 if (msg != supplied_msg) {
2778 CtdlFreeMessage(msg);
2786 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2789 /* Submit this room for processing by hooks */
2790 PerformRoomHooks(&CC->room);
2792 /* Go back to the room we were in before we wandered here... */
2793 CtdlGetRoom(&CC->room, hold_rm);
2795 /* Bump the reference count for all messages which were merged */
2796 if (!suppress_refcount_adj) {
2797 AdjRefCountList(msgs_to_be_merged, num_msgs_to_be_merged, +1);
2800 /* Free up memory... */
2801 if (msgs_to_be_merged != NULL) {
2802 free(msgs_to_be_merged);
2805 /* Return success. */
2811 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2814 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2815 int do_repl_check, struct CtdlMessage *supplied_msg)
2817 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2824 * Message base operation to save a new message to the message store
2825 * (returns new message number)
2827 * This is the back end for CtdlSubmitMsg() and should not be directly
2828 * called by server-side modules.
2831 long send_message(struct CtdlMessage *msg) {
2839 /* Get a new message number */
2840 newmsgid = get_new_message_number();
2841 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2842 (long unsigned int) time(NULL),
2843 (long unsigned int) newmsgid,
2847 /* Generate an ID if we don't have one already */
2848 if (msg->cm_fields['I']==NULL) {
2849 msg->cm_fields['I'] = strdup(msgidbuf);
2852 /* If the message is big, set its body aside for storage elsewhere */
2853 if (msg->cm_fields['M'] != NULL) {
2854 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2856 holdM = msg->cm_fields['M'];
2857 msg->cm_fields['M'] = NULL;
2861 /* Serialize our data structure for storage in the database */
2862 serialize_message(&smr, msg);
2865 msg->cm_fields['M'] = holdM;
2869 cprintf("%d Unable to serialize message\n",
2870 ERROR + INTERNAL_ERROR);
2874 /* Write our little bundle of joy into the message base */
2875 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2876 smr.ser, smr.len) < 0) {
2877 syslog(LOG_ERR, "Can't store message\n");
2881 cdb_store(CDB_BIGMSGS,
2891 /* Free the memory we used for the serialized message */
2894 /* Return the *local* message ID to the caller
2895 * (even if we're storing an incoming network message)
2903 * Serialize a struct CtdlMessage into the format used on disk and network.
2905 * This function loads up a "struct ser_ret" (defined in server.h) which
2906 * contains the length of the serialized message and a pointer to the
2907 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2909 void serialize_message(struct ser_ret *ret, /* return values */
2910 struct CtdlMessage *msg) /* unserialized msg */
2912 size_t wlen, fieldlen;
2914 static char *forder = FORDER;
2917 * Check for valid message format
2919 if (is_valid_message(msg) == 0) {
2920 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2927 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2928 ret->len = ret->len +
2929 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2931 ret->ser = malloc(ret->len);
2932 if (ret->ser == NULL) {
2933 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2934 (long)ret->len, strerror(errno));
2941 ret->ser[1] = msg->cm_anon_type;
2942 ret->ser[2] = msg->cm_format_type;
2945 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2946 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2947 ret->ser[wlen++] = (char)forder[i];
2948 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2949 wlen = wlen + fieldlen + 1;
2951 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2952 (long)ret->len, (long)wlen);
2959 * Serialize a struct CtdlMessage into the format used on disk and network.
2961 * This function loads up a "struct ser_ret" (defined in server.h) which
2962 * contains the length of the serialized message and a pointer to the
2963 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2965 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2966 long Siz) /* how many chars ? */
2969 static char *forder = FORDER;
2973 * Check for valid message format
2975 if (is_valid_message(msg) == 0) {
2976 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2980 buf = (char*) malloc (Siz + 1);
2982 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2983 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2984 msg->cm_fields[(int)forder[i]]);
2985 if (client_write (buf, strlen(buf)) == -1)
2987 syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
2998 * Check to see if any messages already exist in the current room which
2999 * carry the same Exclusive ID as this one. If any are found, delete them.
3001 void ReplicationChecks(struct CtdlMessage *msg) {
3002 long old_msgnum = (-1L);
3004 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
3006 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
3009 /* No exclusive id? Don't do anything. */
3010 if (msg == NULL) return;
3011 if (msg->cm_fields['E'] == NULL) return;
3012 if (IsEmptyStr(msg->cm_fields['E'])) return;
3013 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
3014 msg->cm_fields['E'], CC->room.QRname);*/
3016 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
3017 if (old_msgnum > 0L) {
3018 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
3019 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
3026 * Save a message to disk and submit it into the delivery system.
3028 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3029 struct recptypes *recps, /* recipients (if mail) */
3030 const char *force, /* force a particular room? */
3031 int flags /* should the message be exported clean? */
3034 char submit_filename[128];
3035 char generated_timestamp[32];
3036 char hold_rm[ROOMNAMELEN];
3037 char actual_rm[ROOMNAMELEN];
3038 char force_room[ROOMNAMELEN];
3039 char content_type[SIZ]; /* We have to learn this */
3040 char recipient[SIZ];
3042 const char *mptr = NULL;
3043 struct ctdluser userbuf;
3045 struct MetaData smi;
3046 FILE *network_fp = NULL;
3047 static int seqnum = 1;
3048 struct CtdlMessage *imsg = NULL;
3050 size_t instr_alloc = 0;
3052 char *hold_R, *hold_D;
3053 char *collected_addresses = NULL;
3054 struct addresses_to_be_filed *aptr = NULL;
3055 StrBuf *saved_rfc822_version = NULL;
3056 int qualified_for_journaling = 0;
3057 CitContext *CCC = MyContext();
3058 char bounce_to[1024] = "";
3061 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3062 if (is_valid_message(msg) == 0) return(-1); /* self check */
3064 /* If this message has no timestamp, we take the liberty of
3065 * giving it one, right now.
3067 if (msg->cm_fields['T'] == NULL) {
3068 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3069 msg->cm_fields['T'] = strdup(generated_timestamp);
3072 /* If this message has no path, we generate one.
3074 if (msg->cm_fields['P'] == NULL) {
3075 if (msg->cm_fields['A'] != NULL) {
3076 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3077 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3078 if (isspace(msg->cm_fields['P'][a])) {
3079 msg->cm_fields['P'][a] = ' ';
3084 msg->cm_fields['P'] = strdup("unknown");
3088 if (force == NULL) {
3089 strcpy(force_room, "");
3092 strcpy(force_room, force);
3095 /* Learn about what's inside, because it's what's inside that counts */
3096 if (msg->cm_fields['M'] == NULL) {
3097 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3101 switch (msg->cm_format_type) {
3103 strcpy(content_type, "text/x-citadel-variformat");
3106 strcpy(content_type, "text/plain");
3109 strcpy(content_type, "text/plain");
3110 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3113 safestrncpy(content_type, &mptr[13], sizeof content_type);
3114 striplt(content_type);
3115 aptr = content_type;
3116 while (!IsEmptyStr(aptr)) {
3128 /* Goto the correct room */
3129 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3130 strcpy(hold_rm, CCC->room.QRname);
3131 strcpy(actual_rm, CCC->room.QRname);
3132 if (recps != NULL) {
3133 strcpy(actual_rm, SENTITEMS);
3136 /* If the user is a twit, move to the twit room for posting */
3138 if (CCC->user.axlevel == AxProbU) {
3139 strcpy(hold_rm, actual_rm);
3140 strcpy(actual_rm, config.c_twitroom);
3141 syslog(LOG_DEBUG, "Diverting to twit room\n");
3145 /* ...or if this message is destined for Aide> then go there. */
3146 if (!IsEmptyStr(force_room)) {
3147 strcpy(actual_rm, force_room);
3150 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3151 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3152 /* CtdlGetRoom(&CCC->room, actual_rm); */
3153 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3157 * If this message has no O (room) field, generate one.
3159 if (msg->cm_fields['O'] == NULL) {
3160 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3163 /* Perform "before save" hooks (aborting if any return nonzero) */
3164 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3165 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3168 * If this message has an Exclusive ID, and the room is replication
3169 * checking enabled, then do replication checks.
3171 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3172 ReplicationChecks(msg);
3175 /* Save it to disk */
3176 syslog(LOG_DEBUG, "Saving to disk\n");
3177 newmsgid = send_message(msg);
3178 if (newmsgid <= 0L) return(-5);
3180 /* Write a supplemental message info record. This doesn't have to
3181 * be a critical section because nobody else knows about this message
3184 syslog(LOG_DEBUG, "Creating MetaData record\n");
3185 memset(&smi, 0, sizeof(struct MetaData));
3186 smi.meta_msgnum = newmsgid;
3187 smi.meta_refcount = 0;
3188 safestrncpy(smi.meta_content_type, content_type,
3189 sizeof smi.meta_content_type);
3192 * Measure how big this message will be when rendered as RFC822.
3193 * We do this for two reasons:
3194 * 1. We need the RFC822 length for the new metadata record, so the
3195 * POP and IMAP services don't have to calculate message lengths
3196 * while the user is waiting (multiplied by potentially hundreds
3197 * or thousands of messages).
3198 * 2. If journaling is enabled, we will need an RFC822 version of the
3199 * message to attach to the journalized copy.
3201 if (CCC->redirect_buffer != NULL) {
3202 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3205 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3206 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3207 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3208 saved_rfc822_version = CCC->redirect_buffer;
3209 CCC->redirect_buffer = NULL;
3213 /* Now figure out where to store the pointers */
3214 syslog(LOG_DEBUG, "Storing pointers\n");
3216 /* If this is being done by the networker delivering a private
3217 * message, we want to BYPASS saving the sender's copy (because there
3218 * is no local sender; it would otherwise go to the Trashcan).
3220 if ((!CCC->internal_pgm) || (recps == NULL)) {
3221 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3222 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3223 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3227 /* For internet mail, drop a copy in the outbound queue room */
3228 if ((recps != NULL) && (recps->num_internet > 0)) {
3229 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3232 /* If other rooms are specified, drop them there too. */
3233 if ((recps != NULL) && (recps->num_room > 0))
3234 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3235 extract_token(recipient, recps->recp_room, i,
3236 '|', sizeof recipient);
3237 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);///// xxxx
3238 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3241 /* Bump this user's messages posted counter. */
3242 syslog(LOG_DEBUG, "Updating user\n");
3243 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3244 CCC->user.posted = CCC->user.posted + 1;
3245 CtdlPutUserLock(&CCC->user);
3247 /* Decide where bounces need to be delivered */
3248 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3249 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3251 else if (CCC->logged_in) {
3252 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3255 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3258 /* If this is private, local mail, make a copy in the
3259 * recipient's mailbox and bump the reference count.
3261 if ((recps != NULL) && (recps->num_local > 0))
3262 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3263 extract_token(recipient, recps->recp_local, i,
3264 '|', sizeof recipient);
3265 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3267 if (CtdlGetUser(&userbuf, recipient) == 0) {
3268 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3269 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3270 CtdlBumpNewMailCounter(userbuf.usernum);
3271 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3272 /* Generate a instruction message for the Funambol notification
3273 * server, in the same style as the SMTP queue
3276 instr = malloc(instr_alloc);
3277 snprintf(instr, instr_alloc,
3278 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3280 SPOOLMIME, newmsgid, (long)time(NULL),
3284 imsg = malloc(sizeof(struct CtdlMessage));
3285 memset(imsg, 0, sizeof(struct CtdlMessage));
3286 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3287 imsg->cm_anon_type = MES_NORMAL;
3288 imsg->cm_format_type = FMT_RFC822;
3289 imsg->cm_fields['U'] = strdup("QMSG");
3290 imsg->cm_fields['A'] = strdup("Citadel");
3291 imsg->cm_fields['J'] = strdup("do not journal");
3292 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3293 imsg->cm_fields['2'] = strdup(recipient);
3294 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3295 CtdlFreeMessage(imsg);
3299 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3300 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3304 /* Perform "after save" hooks */
3305 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3306 if (msg->cm_fields['3'] != NULL) free(msg->cm_fields['3']);
3307 msg->cm_fields['3'] = malloc(20);
3308 snprintf(msg->cm_fields['3'], 20, "%ld", newmsgid);
3309 PerformMessageHooks(msg, EVT_AFTERSAVE);
3310 free(msg->cm_fields['3']);
3311 msg->cm_fields['3'] = NULL;
3313 /* For IGnet mail, we have to save a new copy into the spooler for
3314 * each recipient, with the R and D fields set to the recipient and
3315 * destination-node. This has two ugly side effects: all other
3316 * recipients end up being unlisted in this recipient's copy of the
3317 * message, and it has to deliver multiple messages to the same
3318 * node. We'll revisit this again in a year or so when everyone has
3319 * a network spool receiver that can handle the new style messages.
3321 if ((recps != NULL) && (recps->num_ignet > 0))
3322 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3323 extract_token(recipient, recps->recp_ignet, i,
3324 '|', sizeof recipient);
3326 hold_R = msg->cm_fields['R'];
3327 hold_D = msg->cm_fields['D'];
3328 msg->cm_fields['R'] = malloc(SIZ);
3329 msg->cm_fields['D'] = malloc(128);
3330 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3331 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3333 serialize_message(&smr, msg);
3335 snprintf(submit_filename, sizeof submit_filename,
3336 "%s/netmail.%04lx.%04x.%04x",
3338 (long) getpid(), CCC->cs_pid, ++seqnum);
3339 network_fp = fopen(submit_filename, "wb+");
3340 if (network_fp != NULL) {
3341 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3343 syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n",
3351 free(msg->cm_fields['R']);
3352 free(msg->cm_fields['D']);
3353 msg->cm_fields['R'] = hold_R;
3354 msg->cm_fields['D'] = hold_D;
3357 /* Go back to the room we started from */
3358 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3359 if (strcasecmp(hold_rm, CCC->room.QRname))
3360 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3362 /* For internet mail, generate delivery instructions.
3363 * Yes, this is recursive. Deal with it. Infinite recursion does
3364 * not happen because the delivery instructions message does not
3365 * contain a recipient.
3367 if ((recps != NULL) && (recps->num_internet > 0)) {
3368 StrBuf *SpoolMsg = NewStrBuf();
3371 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3373 StrBufPrintf(SpoolMsg,
3374 "Content-type: "SPOOLMIME"\n"
3383 if (recps->envelope_from != NULL) {
3384 StrBufAppendBufPlain(SpoolMsg, HKEY("envelope_from|"), 0);
3385 StrBufAppendBufPlain(SpoolMsg, recps->envelope_from, -1, 0);
3386 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3388 if (recps->sending_room != NULL) {
3389 StrBufAppendBufPlain(SpoolMsg, HKEY("source_room|"), 0);
3390 StrBufAppendBufPlain(SpoolMsg, recps->sending_room, -1, 0);
3391 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3394 nTokens = num_tokens(recps->recp_internet, '|');
3395 for (i = 0; i < nTokens; i++) {
3397 len = extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3399 StrBufAppendBufPlain(SpoolMsg, HKEY("remote|"), 0);
3400 StrBufAppendBufPlain(SpoolMsg, recipient, len, 0);
3401 StrBufAppendBufPlain(SpoolMsg, HKEY("|0||\n"), 0);
3405 imsg = malloc(sizeof(struct CtdlMessage));
3406 memset(imsg, 0, sizeof(struct CtdlMessage));
3407 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3408 imsg->cm_anon_type = MES_NORMAL;
3409 imsg->cm_format_type = FMT_RFC822;
3410 imsg->cm_fields['U'] = strdup("QMSG");
3411 imsg->cm_fields['A'] = strdup("Citadel");
3412 imsg->cm_fields['J'] = strdup("do not journal");
3413 imsg->cm_fields['M'] = SmashStrBuf(&SpoolMsg); /* imsg owns this memory now */
3414 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3415 CtdlFreeMessage(imsg);
3419 * Any addresses to harvest for someone's address book?
3421 if ( (CCC->logged_in) && (recps != NULL) ) {
3422 collected_addresses = harvest_collected_addresses(msg);
3425 if (collected_addresses != NULL) {
3426 aptr = (struct addresses_to_be_filed *)
3427 malloc(sizeof(struct addresses_to_be_filed));
3428 CtdlMailboxName(actual_rm, sizeof actual_rm,
3429 &CCC->user, USERCONTACTSROOM);
3430 aptr->roomname = strdup(actual_rm);
3431 aptr->collected_addresses = collected_addresses;
3432 begin_critical_section(S_ATBF);
3435 end_critical_section(S_ATBF);
3439 * Determine whether this message qualifies for journaling.
3441 if (msg->cm_fields['J'] != NULL) {
3442 qualified_for_journaling = 0;
3445 if (recps == NULL) {
3446 qualified_for_journaling = config.c_journal_pubmsgs;
3448 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3449 qualified_for_journaling = config.c_journal_email;
3452 qualified_for_journaling = config.c_journal_pubmsgs;
3457 * Do we have to perform journaling? If so, hand off the saved
3458 * RFC822 version will be handed off to the journaler for background
3459 * submit. Otherwise, we have to free the memory ourselves.
3461 if (saved_rfc822_version != NULL) {
3462 if (qualified_for_journaling) {
3463 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3466 FreeStrBuf(&saved_rfc822_version);
3476 void aide_message (char *text, char *subject)
3478 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3483 * Convenience function for generating small administrative messages.
3485 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3486 int format_type, const char *subject)
3488 struct CtdlMessage *msg;
3489 struct recptypes *recp = NULL;
3491 msg = malloc(sizeof(struct CtdlMessage));
3492 memset(msg, 0, sizeof(struct CtdlMessage));
3493 msg->cm_magic = CTDLMESSAGE_MAGIC;
3494 msg->cm_anon_type = MES_NORMAL;
3495 msg->cm_format_type = format_type;
3498 msg->cm_fields['A'] = strdup(from);
3500 else if (fromaddr != NULL) {
3501 msg->cm_fields['A'] = strdup(fromaddr);
3502 if (strchr(msg->cm_fields['A'], '@')) {
3503 *strchr(msg->cm_fields['A'], '@') = 0;
3507 msg->cm_fields['A'] = strdup("Citadel");
3510 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3511 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3512 msg->cm_fields['N'] = strdup(NODENAME);
3514 msg->cm_fields['R'] = strdup(to);
3515 recp = validate_recipients(to, NULL, 0);
3517 if (subject != NULL) {
3518 msg->cm_fields['U'] = strdup(subject);
3520 msg->cm_fields['M'] = strdup(text);
3522 CtdlSubmitMsg(msg, recp, room, 0);
3523 CtdlFreeMessage(msg);
3524 if (recp != NULL) free_recipients(recp);
3530 * Back end function used by CtdlMakeMessage() and similar functions
3532 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3534 size_t maxlen, /* maximum message length */
3535 char *exist, /* if non-null, append to it;
3536 exist is ALWAYS freed */
3537 int crlf, /* CRLF newlines instead of LF */
3538 int *sock /* socket handle or 0 for this session's client socket */
3547 LineBuf = NewStrBufPlain(NULL, SIZ);
3548 if (exist == NULL) {
3549 Message = NewStrBufPlain(NULL, 4 * SIZ);
3552 Message = NewStrBufPlain(exist, -1);
3556 /* Do we need to change leading ".." to "." for SMTP escaping? */
3557 if ((tlen == 1) && (*terminator == '.')) {
3561 /* read in the lines of message text one by one */
3564 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3569 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3571 if ((StrLength(LineBuf) == tlen) &&
3572 (!strcmp(ChrPtr(LineBuf), terminator)))
3575 if ( (!flushing) && (!finished) ) {
3577 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3580 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3583 /* Unescape SMTP-style input of two dots at the beginning of the line */
3585 (StrLength(LineBuf) == 2) &&
3586 (!strcmp(ChrPtr(LineBuf), "..")))
3588 StrBufCutLeft(LineBuf, 1);
3591 StrBufAppendBuf(Message, LineBuf, 0);
3594 /* if we've hit the max msg length, flush the rest */
3595 if (StrLength(Message) >= maxlen) flushing = 1;
3597 } while (!finished);
3598 FreeStrBuf(&LineBuf);
3602 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3606 FreeStrBuf(&(*Msg)->MsgBuf);
3612 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3614 size_t maxlen, /* maximum message length */
3615 size_t expectlen, /* if we expect a message, how long should it be? */
3616 char *exist, /* if non-null, append to it;
3617 exist is ALWAYS freed */
3618 long eLen, /* length of exist */
3619 int crlf /* CRLF newlines instead of LF */
3622 ReadAsyncMsg *NewMsg;
3624 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3625 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3627 if (exist == NULL) {
3630 if (expectlen == 0) {
3634 len = expectlen + 10;
3636 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3639 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3642 /* Do we need to change leading ".." to "." for SMTP escaping? */
3643 if ((tlen == 1) && (*terminator == '.')) {
3647 NewMsg->terminator = terminator;
3648 NewMsg->tlen = tlen;
3650 NewMsg->maxlen = maxlen;
3652 NewMsg->crlf = crlf;
3658 * Back end function used by CtdlMakeMessage() and similar functions
3660 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3662 ReadAsyncMsg *ReadMsg;
3663 int MsgFinished = 0;
3664 eReadState Finished = eMustReadMore;
3669 const char *pch = ChrPtr(IO->SendBuf.Buf);
3670 const char *pchh = IO->SendBuf.ReadWritePointer;
3676 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3677 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3678 ((CitContext*)(IO->CitContext))->ServiceName,
3681 fd = fopen(fn, "a+");
3684 ReadMsg = IO->ReadMsg;
3686 /* read in the lines of message text one by one */
3688 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3691 case eMustReadMore: /// read new from socket...
3693 if (IO->RecvBuf.ReadWritePointer != NULL) {
3694 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3695 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3697 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3701 fprintf(fd, "BufferEmpty! \n");
3707 case eBufferNotEmpty: /* shouldn't happen... */
3708 case eReadSuccess: /// done for now...
3710 case eReadFail: /// WHUT?
3716 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3717 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3720 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3723 else if (!ReadMsg->flushing) {
3726 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3729 /* Unescape SMTP-style input of two dots at the beginning of the line */
3730 if ((ReadMsg->dodot) &&
3731 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3732 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3735 fprintf(fd, "UnEscaped!\n");
3737 StrBufCutLeft(IO->IOBuf, 1);
3740 if (ReadMsg->crlf) {
3741 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3744 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3747 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3750 /* if we've hit the max msg length, flush the rest */
3751 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3753 } while (!MsgFinished);
3756 fprintf(fd, "Done with reading; %s.\n, ",
3757 (MsgFinished)?"Message Finished": "FAILED");
3761 return eReadSuccess;
3768 * Back end function used by CtdlMakeMessage() and similar functions
3770 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3772 size_t maxlen, /* maximum message length */
3773 char *exist, /* if non-null, append to it;
3774 exist is ALWAYS freed */
3775 int crlf, /* CRLF newlines instead of LF */
3776 int *sock /* socket handle or 0 for this session's client socket */
3781 Message = CtdlReadMessageBodyBuf(terminator,
3787 if (Message == NULL)
3790 return SmashStrBuf(&Message);
3795 * Build a binary message to be saved on disk.
3796 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3797 * will become part of the message. This means you are no longer
3798 * responsible for managing that memory -- it will be freed along with
3799 * the rest of the fields when CtdlFreeMessage() is called.)
3802 struct CtdlMessage *CtdlMakeMessage(
3803 struct ctdluser *author, /* author's user structure */
3804 char *recipient, /* NULL if it's not mail */
3805 char *recp_cc, /* NULL if it's not mail */
3806 char *room, /* room where it's going */
3807 int type, /* see MES_ types in header file */
3808 int format_type, /* variformat, plain text, MIME... */
3809 char *fake_name, /* who we're masquerading as */
3810 char *my_email, /* which of my email addresses to use (empty is ok) */
3811 char *subject, /* Subject (optional) */
3812 char *supplied_euid, /* ...or NULL if this is irrelevant */
3813 char *preformatted_text, /* ...or NULL to read text from client */
3814 char *references /* Thread references */
3816 char dest_node[256];
3818 struct CtdlMessage *msg;
3820 StrBuf *FakeEncAuthor = NULL;
3822 msg = malloc(sizeof(struct CtdlMessage));
3823 memset(msg, 0, sizeof(struct CtdlMessage));
3824 msg->cm_magic = CTDLMESSAGE_MAGIC;
3825 msg->cm_anon_type = type;
3826 msg->cm_format_type = format_type;
3828 /* Don't confuse the poor folks if it's not routed mail. */
3829 strcpy(dest_node, "");
3831 if (recipient != NULL) striplt(recipient);
3832 if (recp_cc != NULL) striplt(recp_cc);
3834 /* Path or Return-Path */
3835 if (my_email == NULL) my_email = "";
3837 if (!IsEmptyStr(my_email)) {
3838 msg->cm_fields['P'] = strdup(my_email);
3841 snprintf(buf, sizeof buf, "%s", author->fullname);
3842 msg->cm_fields['P'] = strdup(buf);
3844 convert_spaces_to_underscores(msg->cm_fields['P']);
3846 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3847 msg->cm_fields['T'] = strdup(buf);
3849 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3850 FakeAuthor = NewStrBufPlain (fake_name, -1);
3853 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3855 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3856 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3857 FreeStrBuf(&FakeAuthor);
3859 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3860 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3863 msg->cm_fields['O'] = strdup(CC->room.QRname);
3866 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3867 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3869 if ((recipient != NULL) && (recipient[0] != 0)) {
3870 msg->cm_fields['R'] = strdup(recipient);
3872 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3873 msg->cm_fields['Y'] = strdup(recp_cc);
3875 if (dest_node[0] != 0) {
3876 msg->cm_fields['D'] = strdup(dest_node);
3879 if (!IsEmptyStr(my_email)) {
3880 msg->cm_fields['F'] = strdup(my_email);
3882 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3883 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3886 if (subject != NULL) {
3889 length = strlen(subject);
3895 while ((subject[i] != '\0') &&
3896 (IsAscii = isascii(subject[i]) != 0 ))
3899 msg->cm_fields['U'] = strdup(subject);
3900 else /* ok, we've got utf8 in the string. */
3902 msg->cm_fields['U'] = rfc2047encode(subject, length);
3908 if (supplied_euid != NULL) {
3909 msg->cm_fields['E'] = strdup(supplied_euid);
3912 if ((references != NULL) && (!IsEmptyStr(references))) {
3913 if (msg->cm_fields['W'] != NULL)
3914 free(msg->cm_fields['W']);
3915 msg->cm_fields['W'] = strdup(references);
3918 if (preformatted_text != NULL) {
3919 msg->cm_fields['M'] = preformatted_text;
3922 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3928 extern int netconfig_check_roomaccess(
3931 const char* RemoteIdentifier); /* TODO: find a smarter way */
3934 * Check to see whether we have permission to post a message in the current
3935 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3936 * returns 0 on success.
3938 int CtdlDoIHavePermissionToPostInThisRoom(
3941 const char* RemoteIdentifier,
3947 if (!(CC->logged_in) &&
3948 (PostPublic == POST_LOGGED_IN)) {
3949 snprintf(errmsgbuf, n, "Not logged in.");
3950 return (ERROR + NOT_LOGGED_IN);
3952 else if (PostPublic == CHECK_EXISTANCE) {
3953 return (0); // We're Evaling whether a recipient exists
3955 else if (!(CC->logged_in)) {
3957 if ((CC->room.QRflags & QR_READONLY)) {
3958 snprintf(errmsgbuf, n, "Not logged in.");
3959 return (ERROR + NOT_LOGGED_IN);
3961 if (CC->room.QRflags2 & QR2_MODERATED) {
3962 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3963 return (ERROR + NOT_LOGGED_IN);
3965 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3967 return netconfig_check_roomaccess(errmsgbuf, n, RemoteIdentifier);
3973 if ((CC->user.axlevel < AxProbU)
3974 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3975 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3976 return (ERROR + HIGHER_ACCESS_REQUIRED);
3979 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3981 if (ra & UA_POSTALLOWED) {
3982 strcpy(errmsgbuf, "OK to post or reply here");
3986 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
3988 * To be thorough, we ought to check to see if the message they are
3989 * replying to is actually a valid one in this room, but unless this
3990 * actually becomes a problem we'll go with high performance instead.
3992 strcpy(errmsgbuf, "OK to reply here");
3996 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3997 /* Clarify what happened with a better error message */
3998 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3999 return (ERROR + HIGHER_ACCESS_REQUIRED);
4002 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
4003 return (ERROR + HIGHER_ACCESS_REQUIRED);
4009 * Check to see if the specified user has Internet mail permission
4010 * (returns nonzero if permission is granted)
4012 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
4014 /* Do not allow twits to send Internet mail */
4015 if (who->axlevel <= AxProbU) return(0);
4017 /* Globally enabled? */
4018 if (config.c_restrict == 0) return(1);
4020 /* User flagged ok? */
4021 if (who->flags & US_INTERNET) return(2);
4023 /* Aide level access? */
4024 if (who->axlevel >= AxAideU) return(3);
4026 /* No mail for you! */
4032 * Validate recipients, count delivery types and errors, and handle aliasing
4033 * FIXME check for dupes!!!!!
4035 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4036 * were specified, or the number of addresses found invalid.
4038 * Caller needs to free the result using free_recipients()
4040 struct recptypes *validate_recipients(const char *supplied_recipients,
4041 const char *RemoteIdentifier,
4043 struct recptypes *ret;
4044 char *recipients = NULL;
4046 char this_recp[256];
4047 char this_recp_cooked[256];
4054 struct ctdluser tempUS;
4055 struct ctdlroom tempQR;
4056 struct ctdlroom tempQR2;
4062 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4063 if (ret == NULL) return(NULL);
4065 /* Set all strings to null and numeric values to zero */
4066 memset(ret, 0, sizeof(struct recptypes));
4068 if (supplied_recipients == NULL) {
4069 recipients = strdup("");
4072 recipients = strdup(supplied_recipients);
4075 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4076 * actually need, but it's healthier for the heap than doing lots of tiny
4077 * realloc() calls instead.
4079 len = strlen(recipients) + 1024;
4080 ret->errormsg = malloc(len);
4081 ret->recp_local = malloc(len);
4082 ret->recp_internet = malloc(len);
4083 ret->recp_ignet = malloc(len);
4084 ret->recp_room = malloc(len);
4085 ret->display_recp = malloc(len);
4086 ret->recp_orgroom = malloc(len);
4087 org_recp = malloc(len);
4089 ret->errormsg[0] = 0;
4090 ret->recp_local[0] = 0;
4091 ret->recp_internet[0] = 0;
4092 ret->recp_ignet[0] = 0;
4093 ret->recp_room[0] = 0;
4094 ret->recp_orgroom[0] = 0;
4095 ret->display_recp[0] = 0;
4097 ret->recptypes_magic = RECPTYPES_MAGIC;
4099 /* Change all valid separator characters to commas */
4100 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4101 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4102 recipients[i] = ',';
4106 /* Now start extracting recipients... */
4108 while (!IsEmptyStr(recipients)) {
4109 for (i=0; i<=strlen(recipients); ++i) {
4110 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4111 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4112 safestrncpy(this_recp, recipients, i+1);
4114 if (recipients[i] == ',') {
4115 strcpy(recipients, &recipients[i+1]);
4118 strcpy(recipients, "");
4125 if (IsEmptyStr(this_recp))
4127 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4130 strcpy(org_recp, this_recp);
4131 mailtype = alias(this_recp);
4132 mailtype = alias(this_recp);
4133 mailtype = alias(this_recp);
4135 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
4136 if (this_recp[j]=='_') {
4137 this_recp_cooked[j] = ' ';
4140 this_recp_cooked[j] = this_recp[j];
4143 this_recp_cooked[j] = '\0';
4148 if (!strcasecmp(this_recp, "sysop")) {
4150 strcpy(this_recp, config.c_aideroom);
4151 if (!IsEmptyStr(ret->recp_room)) {
4152 strcat(ret->recp_room, "|");
4154 strcat(ret->recp_room, this_recp);
4156 else if ( (!strncasecmp(this_recp, "room_", 5))
4157 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4159 /* Save room so we can restore it later */
4163 /* Check permissions to send mail to this room */
4164 err = CtdlDoIHavePermissionToPostInThisRoom(
4169 0 /* 0 = not a reply */
4178 if (!IsEmptyStr(ret->recp_room)) {
4179 strcat(ret->recp_room, "|");
4181 strcat(ret->recp_room, &this_recp_cooked[5]);
4183 if (!IsEmptyStr(ret->recp_orgroom)) {
4184 strcat(ret->recp_orgroom, "|");
4186 strcat(ret->recp_orgroom, org_recp);
4190 /* Restore room in case something needs it */
4194 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4196 strcpy(this_recp, tempUS.fullname);
4197 if (!IsEmptyStr(ret->recp_local)) {
4198 strcat(ret->recp_local, "|");
4200 strcat(ret->recp_local, this_recp);
4202 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4204 strcpy(this_recp, tempUS.fullname);
4205 if (!IsEmptyStr(ret->recp_local)) {
4206 strcat(ret->recp_local, "|");
4208 strcat(ret->recp_local, this_recp);
4216 /* Yes, you're reading this correctly: if the target
4217 * domain points back to the local system or an attached
4218 * Citadel directory, the address is invalid. That's
4219 * because if the address were valid, we would have
4220 * already translated it to a local address by now.
4222 if (IsDirectory(this_recp, 0)) {
4227 ++ret->num_internet;
4228 if (!IsEmptyStr(ret->recp_internet)) {
4229 strcat(ret->recp_internet, "|");
4231 strcat(ret->recp_internet, this_recp);
4236 if (!IsEmptyStr(ret->recp_ignet)) {
4237 strcat(ret->recp_ignet, "|");
4239 strcat(ret->recp_ignet, this_recp);
4247 if (IsEmptyStr(errmsg)) {
4248 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4251 snprintf(append, sizeof append, "%s", errmsg);
4253 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4254 if (!IsEmptyStr(ret->errormsg)) {
4255 strcat(ret->errormsg, "; ");
4257 strcat(ret->errormsg, append);
4261 if (IsEmptyStr(ret->display_recp)) {
4262 strcpy(append, this_recp);
4265 snprintf(append, sizeof append, ", %s", this_recp);
4267 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4268 strcat(ret->display_recp, append);
4274 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4275 ret->num_room + ret->num_error) == 0) {
4276 ret->num_error = (-1);
4277 strcpy(ret->errormsg, "No recipients specified.");
4280 syslog(LOG_DEBUG, "validate_recipients()\n");
4281 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4282 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4283 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4284 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4285 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4293 * Destructor for struct recptypes
4295 void free_recipients(struct recptypes *valid) {
4297 if (valid == NULL) {
4301 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4302 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4306 if (valid->errormsg != NULL) free(valid->errormsg);
4307 if (valid->recp_local != NULL) free(valid->recp_local);
4308 if (valid->recp_internet != NULL) free(valid->recp_internet);
4309 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4310 if (valid->recp_room != NULL) free(valid->recp_room);
4311 if (valid->recp_orgroom != NULL) free(valid->recp_orgroom);
4312 if (valid->display_recp != NULL) free(valid->display_recp);
4313 if (valid->bounce_to != NULL) free(valid->bounce_to);
4314 if (valid->envelope_from != NULL) free(valid->envelope_from);
4315 if (valid->sending_room != NULL) free(valid->sending_room);
4322 * message entry - mode 0 (normal)
4324 void cmd_ent0(char *entargs)
4326 struct CitContext *CCC = CC;
4331 char supplied_euid[128];
4333 int format_type = 0;
4334 char newusername[256];
4335 char newuseremail[256];
4336 struct CtdlMessage *msg;
4340 struct recptypes *valid = NULL;
4341 struct recptypes *valid_to = NULL;
4342 struct recptypes *valid_cc = NULL;
4343 struct recptypes *valid_bcc = NULL;
4345 int subject_required = 0;
4347 int verbose_reply = 0;
4351 int newuseremail_ok = 0;
4352 char references[SIZ];
4357 post = extract_int(entargs, 0);
4358 extract_token(recp, entargs, 1, '|', sizeof recp);
4359 anon_flag = extract_int(entargs, 2);
4360 format_type = extract_int(entargs, 3);
4361 extract_token(subject, entargs, 4, '|', sizeof subject);
4362 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4363 do_confirm = extract_int(entargs, 6);
4364 extract_token(cc, entargs, 7, '|', sizeof cc);
4365 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4366 verbose_reply = extract_int(entargs, 9);
4367 switch(CC->room.QRdefaultview) {
4370 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4373 supplied_euid[0] = 0;
4376 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4377 extract_token(references, entargs, 11, '|', sizeof references);
4378 for (ptr=references; *ptr != 0; ++ptr) {
4379 if (*ptr == '!') *ptr = '|';
4382 /* first check to make sure the request is valid. */
4384 err = CtdlDoIHavePermissionToPostInThisRoom(
4389 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4393 cprintf("%d %s\n", err, errmsg);
4397 /* Check some other permission type things. */
4399 if (IsEmptyStr(newusername)) {
4400 strcpy(newusername, CCC->user.fullname);
4402 if ( (CCC->user.axlevel < AxAideU)
4403 && (strcasecmp(newusername, CCC->user.fullname))
4404 && (strcasecmp(newusername, CCC->cs_inet_fn))
4406 cprintf("%d You don't have permission to author messages as '%s'.\n",
4407 ERROR + HIGHER_ACCESS_REQUIRED,
4414 if (IsEmptyStr(newuseremail)) {
4415 newuseremail_ok = 1;
4418 if (!IsEmptyStr(newuseremail)) {
4419 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4420 newuseremail_ok = 1;
4422 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4423 j = num_tokens(CCC->cs_inet_other_emails, '|');
4424 for (i=0; i<j; ++i) {
4425 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4426 if (!strcasecmp(newuseremail, buf)) {
4427 newuseremail_ok = 1;
4433 if (!newuseremail_ok) {
4434 cprintf("%d You don't have permission to author messages as '%s'.\n",
4435 ERROR + HIGHER_ACCESS_REQUIRED,
4441 CCC->cs_flags |= CS_POSTING;
4443 /* In mailbox rooms we have to behave a little differently --
4444 * make sure the user has specified at least one recipient. Then
4445 * validate the recipient(s). We do this for the Mail> room, as
4446 * well as any room which has the "Mailbox" view set - unless it
4447 * is the DRAFTS room which does not require recipients
4450 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4451 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4452 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4453 if (CCC->user.axlevel < AxProbU) {
4454 strcpy(recp, "sysop");
4459 valid_to = validate_recipients(recp, NULL, 0);
4460 if (valid_to->num_error > 0) {
4461 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4462 free_recipients(valid_to);
4466 valid_cc = validate_recipients(cc, NULL, 0);
4467 if (valid_cc->num_error > 0) {
4468 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4469 free_recipients(valid_to);
4470 free_recipients(valid_cc);
4474 valid_bcc = validate_recipients(bcc, NULL, 0);
4475 if (valid_bcc->num_error > 0) {
4476 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4477 free_recipients(valid_to);
4478 free_recipients(valid_cc);
4479 free_recipients(valid_bcc);
4483 /* Recipient required, but none were specified */
4484 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4485 free_recipients(valid_to);
4486 free_recipients(valid_cc);
4487 free_recipients(valid_bcc);
4488 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4492 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4493 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4494 cprintf("%d You do not have permission "
4495 "to send Internet mail.\n",
4496 ERROR + HIGHER_ACCESS_REQUIRED);
4497 free_recipients(valid_to);
4498 free_recipients(valid_cc);
4499 free_recipients(valid_bcc);
4504 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)
4505 && (CCC->user.axlevel < AxNetU) ) {
4506 cprintf("%d Higher access required for network mail.\n",
4507 ERROR + HIGHER_ACCESS_REQUIRED);
4508 free_recipients(valid_to);
4509 free_recipients(valid_cc);
4510 free_recipients(valid_bcc);
4514 if ((RESTRICT_INTERNET == 1)
4515 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4516 && ((CCC->user.flags & US_INTERNET) == 0)
4517 && (!CCC->internal_pgm)) {
4518 cprintf("%d You don't have access to Internet mail.\n",
4519 ERROR + HIGHER_ACCESS_REQUIRED);
4520 free_recipients(valid_to);
4521 free_recipients(valid_cc);
4522 free_recipients(valid_bcc);
4528 /* Is this a room which has anonymous-only or anonymous-option? */
4529 anonymous = MES_NORMAL;
4530 if (CCC->room.QRflags & QR_ANONONLY) {
4531 anonymous = MES_ANONONLY;
4533 if (CCC->room.QRflags & QR_ANONOPT) {
4534 if (anon_flag == 1) { /* only if the user requested it */
4535 anonymous = MES_ANONOPT;
4539 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4543 /* Recommend to the client that the use of a message subject is
4544 * strongly recommended in this room, if either the SUBJECTREQ flag
4545 * is set, or if there is one or more Internet email recipients.
4547 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4548 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4549 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4550 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4552 /* If we're only checking the validity of the request, return
4553 * success without creating the message.
4556 cprintf("%d %s|%d\n", CIT_OK,
4557 ((valid_to != NULL) ? valid_to->display_recp : ""),
4559 free_recipients(valid_to);
4560 free_recipients(valid_cc);
4561 free_recipients(valid_bcc);
4565 /* We don't need these anymore because we'll do it differently below */
4566 free_recipients(valid_to);
4567 free_recipients(valid_cc);
4568 free_recipients(valid_bcc);
4570 /* Read in the message from the client. */
4572 cprintf("%d send message\n", START_CHAT_MODE);
4574 cprintf("%d send message\n", SEND_LISTING);
4577 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4578 CCC->room.QRname, anonymous, format_type,
4579 newusername, newuseremail, subject,
4580 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4583 /* Put together one big recipients struct containing to/cc/bcc all in
4584 * one. This is for the envelope.
4586 char *all_recps = malloc(SIZ * 3);
4587 strcpy(all_recps, recp);
4588 if (!IsEmptyStr(cc)) {
4589 if (!IsEmptyStr(all_recps)) {
4590 strcat(all_recps, ",");
4592 strcat(all_recps, cc);
4594 if (!IsEmptyStr(bcc)) {
4595 if (!IsEmptyStr(all_recps)) {
4596 strcat(all_recps, ",");
4598 strcat(all_recps, bcc);
4600 if (!IsEmptyStr(all_recps)) {
4601 valid = validate_recipients(all_recps, NULL, 0);
4608 if ((valid != NULL) && (valid->num_room == 1))
4610 /* posting into an ML room? set the envelope from
4611 * to the actual mail address so others get a valid
4614 msg->cm_fields['V'] = strdup(valid->recp_orgroom);
4618 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4621 if (StrLength(CCC->StatusMessage)>0)
4623 StrBufAppendBufPlain(CCC->StatusMessage, HKEY("\n000\n"), 0);
4624 cputbuf(CCC->StatusMessage);
4627 client_write(HKEY("\n000\n"));
4631 cprintf("%ld\n", msgnum);
4633 client_write(HKEY("Message accepted.\n"));
4636 client_write(HKEY("Internal error.\n"));
4638 if (msg->cm_fields['E'] != NULL) {
4639 cprintf("%s\n", msg->cm_fields['E']);
4646 CtdlFreeMessage(msg);
4648 if (valid != NULL) {
4649 free_recipients(valid);
4657 * API function to delete messages which match a set of criteria
4658 * (returns the actual number of messages deleted)
4660 int CtdlDeleteMessages(char *room_name, /* which room */
4661 long *dmsgnums, /* array of msg numbers to be deleted */
4662 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4663 char *content_type /* or "" for any. regular expressions expected. */
4666 struct ctdlroom qrbuf;
4667 struct cdbdata *cdbfr;
4668 long *msglist = NULL;
4669 long *dellist = NULL;
4672 int num_deleted = 0;
4674 struct MetaData smi;
4677 int need_to_free_re = 0;
4679 if (content_type) if (!IsEmptyStr(content_type)) {
4680 regcomp(&re, content_type, 0);
4681 need_to_free_re = 1;
4683 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4684 room_name, num_dmsgnums, content_type);
4686 /* get room record, obtaining a lock... */
4687 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4688 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4690 if (need_to_free_re) regfree(&re);
4691 return (0); /* room not found */
4693 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4695 if (cdbfr != NULL) {
4696 dellist = malloc(cdbfr->len);
4697 msglist = (long *) cdbfr->ptr;
4698 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4699 num_msgs = cdbfr->len / sizeof(long);
4703 int have_contenttype = !IsEmptyStr(content_type);
4704 int have_delmsgs = (num_dmsgnums == 0) || (dmsgnums == NULL);
4705 int have_more_del = 1;
4707 num_msgs = sort_msglist(msglist, num_msgs);
4708 if (num_dmsgnums > 1)
4709 num_dmsgnums = sort_msglist(dmsgnums, num_dmsgnums);
4712 StrBuf *dbg = NewStrBuf();
4713 for (i = 0; i < num_dmsgnums; i++)
4714 StrBufAppendPrintf(dbg, ", %ld", dmsgnums[i]);
4715 syslog(LOG_DEBUG, "Deleting before: %s", ChrPtr(dbg));
4720 while ((i < num_msgs) && (have_more_del)) {
4724 /* Set/clear a bit for each criterion */
4726 /* 0 messages in the list or a null list means that we are
4727 * interested in deleting any messages which meet the other criteria.
4730 delete_this |= 0x01;
4733 while ((i < num_msgs) && (msglist[i] < dmsgnums[j])) i++;
4734 if (msglist[i] == dmsgnums[j]) {
4735 delete_this |= 0x01;
4738 have_more_del = (j < num_dmsgnums);
4741 if (have_contenttype) {
4742 GetMetaData(&smi, msglist[i]);
4743 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4744 delete_this |= 0x02;
4747 delete_this |= 0x02;
4750 /* Delete message only if all bits are set */
4751 if (delete_this == 0x03) {
4752 dellist[num_deleted++] = msglist[i];
4759 StrBuf *dbg = NewStrBuf();
4760 for (i = 0; i < num_deleted; i++)
4761 StrBufAppendPrintf(dbg, ", %ld", dellist[i]);
4762 syslog(LOG_DEBUG, "Deleting: %s", ChrPtr(dbg));
4766 num_msgs = sort_msglist(msglist, num_msgs);
4767 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4768 msglist, (int)(num_msgs * sizeof(long)));
4771 qrbuf.QRhighest = msglist[num_msgs - 1];
4773 qrbuf.QRhighest = 0;
4775 CtdlPutRoomLock(&qrbuf);
4777 /* Go through the messages we pulled out of the index, and decrement
4778 * their reference counts by 1. If this is the only room the message
4779 * was in, the reference count will reach zero and the message will
4780 * automatically be deleted from the database. We do this in a
4781 * separate pass because there might be plug-in hooks getting called,
4782 * and we don't want that happening during an S_ROOMS critical
4786 for (i=0; i<num_deleted; ++i) {
4787 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4789 AdjRefCountList(dellist, num_deleted, -1);
4791 /* Now free the memory we used, and go away. */
4792 if (msglist != NULL) free(msglist);
4793 if (dellist != NULL) free(dellist);
4794 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4795 if (need_to_free_re) regfree(&re);
4796 return (num_deleted);
4802 * Check whether the current user has permission to delete messages from
4803 * the current room (returns 1 for yes, 0 for no)
4805 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4807 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4808 if (ra & UA_DELETEALLOWED) return(1);
4816 * Delete message from current room
4818 void cmd_dele(char *args)
4827 extract_token(msgset, args, 0, '|', sizeof msgset);
4828 num_msgs = num_tokens(msgset, ',');
4830 cprintf("%d Nothing to do.\n", CIT_OK);
4834 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4835 cprintf("%d Higher access required.\n",
4836 ERROR + HIGHER_ACCESS_REQUIRED);
4841 * Build our message set to be moved/copied
4843 msgs = malloc(num_msgs * sizeof(long));
4844 for (i=0; i<num_msgs; ++i) {
4845 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4846 msgs[i] = atol(msgtok);
4849 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4853 cprintf("%d %d message%s deleted.\n", CIT_OK,
4854 num_deleted, ((num_deleted != 1) ? "s" : ""));
4856 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4864 * move or copy a message to another room
4866 void cmd_move(char *args)
4873 char targ[ROOMNAMELEN];
4874 struct ctdlroom qtemp;
4881 extract_token(msgset, args, 0, '|', sizeof msgset);
4882 num_msgs = num_tokens(msgset, ',');
4884 cprintf("%d Nothing to do.\n", CIT_OK);
4888 extract_token(targ, args, 1, '|', sizeof targ);
4889 convert_room_name_macros(targ, sizeof targ);
4890 targ[ROOMNAMELEN - 1] = 0;
4891 is_copy = extract_int(args, 2);
4893 if (CtdlGetRoom(&qtemp, targ) != 0) {
4894 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4898 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4899 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4903 CtdlGetUser(&CC->user, CC->curr_user);
4904 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4906 /* Check for permission to perform this operation.
4907 * Remember: "CC->room" is source, "qtemp" is target.
4911 /* Aides can move/copy */
4912 if (CC->user.axlevel >= AxAideU) permit = 1;
4914 /* Room aides can move/copy */
4915 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4917 /* Permit move/copy from personal rooms */
4918 if ((CC->room.QRflags & QR_MAILBOX)
4919 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4921 /* Permit only copy from public to personal room */
4923 && (!(CC->room.QRflags & QR_MAILBOX))
4924 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4926 /* Permit message removal from collaborative delete rooms */
4927 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4929 /* Users allowed to post into the target room may move into it too. */
4930 if ((CC->room.QRflags & QR_MAILBOX) &&
4931 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4933 /* User must have access to target room */
4934 if (!(ra & UA_KNOWN)) permit = 0;
4937 cprintf("%d Higher access required.\n",
4938 ERROR + HIGHER_ACCESS_REQUIRED);
4943 * Build our message set to be moved/copied
4945 msgs = malloc(num_msgs * sizeof(long));
4946 for (i=0; i<num_msgs; ++i) {
4947 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4948 msgs[i] = atol(msgtok);
4954 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4956 cprintf("%d Cannot store message(s) in %s: error %d\n",
4962 /* Now delete the message from the source room,
4963 * if this is a 'move' rather than a 'copy' operation.
4966 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4970 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4976 * GetMetaData() - Get the supplementary record for a message
4978 void GetMetaData(struct MetaData *smibuf, long msgnum)
4981 struct cdbdata *cdbsmi;
4984 memset(smibuf, 0, sizeof(struct MetaData));
4985 smibuf->meta_msgnum = msgnum;
4986 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4988 /* Use the negative of the message number for its supp record index */
4989 TheIndex = (0L - msgnum);
4991 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4992 if (cdbsmi == NULL) {
4993 return; /* record not found; go with defaults */
4995 memcpy(smibuf, cdbsmi->ptr,
4996 ((cdbsmi->len > sizeof(struct MetaData)) ?
4997 sizeof(struct MetaData) : cdbsmi->len));
5004 * PutMetaData() - (re)write supplementary record for a message
5006 void PutMetaData(struct MetaData *smibuf)
5010 /* Use the negative of the message number for the metadata db index */
5011 TheIndex = (0L - smibuf->meta_msgnum);
5013 cdb_store(CDB_MSGMAIN,
5014 &TheIndex, (int)sizeof(long),
5015 smibuf, (int)sizeof(struct MetaData));
5020 * AdjRefCount - submit an adjustment to the reference count for a message.
5021 * (These are just queued -- we actually process them later.)
5023 void AdjRefCount(long msgnum, int incr)
5025 struct arcq new_arcq;
5028 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n", msgnum, incr);
5030 begin_critical_section(S_SUPPMSGMAIN);
5031 if (arcfp == NULL) {
5032 arcfp = fopen(file_arcq, "ab+");
5033 chown(file_arcq, CTDLUID, (-1));
5034 chmod(file_arcq, 0600);
5036 end_critical_section(S_SUPPMSGMAIN);
5038 /* msgnum < 0 means that we're trying to close the file */
5040 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
5041 begin_critical_section(S_SUPPMSGMAIN);
5042 if (arcfp != NULL) {
5046 end_critical_section(S_SUPPMSGMAIN);
5051 * If we can't open the queue, perform the operation synchronously.
5053 if (arcfp == NULL) {
5054 TDAP_AdjRefCount(msgnum, incr);
5058 new_arcq.arcq_msgnum = msgnum;
5059 new_arcq.arcq_delta = incr;
5060 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
5062 syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5071 void AdjRefCountList(long *msgnum, long nmsg, int incr)
5073 long i, the_size, offset;
5074 struct arcq *new_arcq;
5077 syslog(LOG_DEBUG, "AdjRefCountList() msg %ld ref count delta %+d\n", nmsg, incr);
5079 begin_critical_section(S_SUPPMSGMAIN);
5080 if (arcfp == NULL) {
5081 arcfp = fopen(file_arcq, "ab+");
5082 chown(file_arcq, CTDLUID, (-1));
5083 chmod(file_arcq, 0600);
5085 end_critical_section(S_SUPPMSGMAIN);
5088 * If we can't open the queue, perform the operation synchronously.
5090 if (arcfp == NULL) {
5091 for (i = 0; i < nmsg; i++)
5092 TDAP_AdjRefCount(msgnum[i], incr);
5096 the_size = sizeof(struct arcq) * nmsg;
5097 new_arcq = malloc(the_size);
5098 for (i = 0; i < nmsg; i++) {
5099 new_arcq[i].arcq_msgnum = msgnum[i];
5100 new_arcq[i].arcq_delta = incr;
5104 while ((rv >= 0) && (offset < the_size))
5106 rv = fwrite(new_arcq + offset, 1, the_size - offset, arcfp);
5108 syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5124 * TDAP_ProcessAdjRefCountQueue()
5126 * Process the queue of message count adjustments that was created by calls
5127 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
5128 * for each one. This should be an "off hours" operation.
5130 int TDAP_ProcessAdjRefCountQueue(void)
5132 char file_arcq_temp[PATH_MAX];
5135 struct arcq arcq_rec;
5136 int num_records_processed = 0;
5138 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
5140 begin_critical_section(S_SUPPMSGMAIN);
5141 if (arcfp != NULL) {
5146 r = link(file_arcq, file_arcq_temp);
5148 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5149 end_critical_section(S_SUPPMSGMAIN);
5150 return(num_records_processed);
5154 end_critical_section(S_SUPPMSGMAIN);
5156 fp = fopen(file_arcq_temp, "rb");
5158 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5159 return(num_records_processed);
5162 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5163 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5164 ++num_records_processed;
5168 r = unlink(file_arcq_temp);
5170 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5173 return(num_records_processed);
5179 * TDAP_AdjRefCount - adjust the reference count for a message.
5180 * This one does it "for real" because it's called by
5181 * the autopurger function that processes the queue
5182 * created by AdjRefCount(). If a message's reference
5183 * count becomes zero, we also delete the message from
5184 * disk and de-index it.
5186 void TDAP_AdjRefCount(long msgnum, int incr)
5189 struct MetaData smi;
5192 /* This is a *tight* critical section; please keep it that way, as
5193 * it may get called while nested in other critical sections.
5194 * Complicating this any further will surely cause deadlock!
5196 begin_critical_section(S_SUPPMSGMAIN);
5197 GetMetaData(&smi, msgnum);
5198 smi.meta_refcount += incr;
5200 end_critical_section(S_SUPPMSGMAIN);
5201 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5202 msgnum, incr, smi.meta_refcount
5205 /* If the reference count is now zero, delete the message
5206 * (and its supplementary record as well).
5208 if (smi.meta_refcount == 0) {
5209 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5211 /* Call delete hooks with NULL room to show it has gone altogether */
5212 PerformDeleteHooks(NULL, msgnum);
5214 /* Remove from message base */
5216 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5217 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5219 /* Remove metadata record */
5220 delnum = (0L - msgnum);
5221 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5227 * Write a generic object to this room
5229 * Note: this could be much more efficient. Right now we use two temporary
5230 * files, and still pull the message into memory as with all others.
5232 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5233 char *content_type, /* MIME type of this object */
5234 char *raw_message, /* Data to be written */
5235 off_t raw_length, /* Size of raw_message */
5236 struct ctdluser *is_mailbox, /* Mailbox room? */
5237 int is_binary, /* Is encoding necessary? */
5238 int is_unique, /* Del others of this type? */
5239 unsigned int flags /* Internal save flags */
5243 struct ctdlroom qrbuf;
5244 char roomname[ROOMNAMELEN];
5245 struct CtdlMessage *msg;
5246 char *encoded_message = NULL;
5248 if (is_mailbox != NULL) {
5249 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5252 safestrncpy(roomname, req_room, sizeof(roomname));
5255 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5258 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5261 encoded_message = malloc((size_t)(raw_length + 4096));
5264 sprintf(encoded_message, "Content-type: %s\n", content_type);
5267 sprintf(&encoded_message[strlen(encoded_message)],
5268 "Content-transfer-encoding: base64\n\n"
5272 sprintf(&encoded_message[strlen(encoded_message)],
5273 "Content-transfer-encoding: 7bit\n\n"
5279 &encoded_message[strlen(encoded_message)],
5287 &encoded_message[strlen(encoded_message)],
5293 syslog(LOG_DEBUG, "Allocating\n");
5294 msg = malloc(sizeof(struct CtdlMessage));
5295 memset(msg, 0, sizeof(struct CtdlMessage));
5296 msg->cm_magic = CTDLMESSAGE_MAGIC;
5297 msg->cm_anon_type = MES_NORMAL;
5298 msg->cm_format_type = 4;
5299 msg->cm_fields['A'] = strdup(CC->user.fullname);
5300 msg->cm_fields['O'] = strdup(req_room);
5301 msg->cm_fields['N'] = strdup(config.c_nodename);
5302 msg->cm_fields['H'] = strdup(config.c_humannode);
5303 msg->cm_flags = flags;
5305 msg->cm_fields['M'] = encoded_message;
5307 /* Create the requested room if we have to. */
5308 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5309 CtdlCreateRoom(roomname,
5310 ( (is_mailbox != NULL) ? 5 : 3 ),
5311 "", 0, 1, 0, VIEW_BBS);
5313 /* If the caller specified this object as unique, delete all
5314 * other objects of this type that are currently in the room.
5317 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5318 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5321 /* Now write the data */
5322 CtdlSubmitMsg(msg, NULL, roomname, 0);
5323 CtdlFreeMessage(msg);
5331 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5332 config_msgnum = msgnum;
5336 char *CtdlGetSysConfig(char *sysconfname) {
5337 char hold_rm[ROOMNAMELEN];
5340 struct CtdlMessage *msg;
5343 strcpy(hold_rm, CC->room.QRname);
5344 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5345 CtdlGetRoom(&CC->room, hold_rm);
5350 /* We want the last (and probably only) config in this room */
5351 begin_critical_section(S_CONFIG);
5352 config_msgnum = (-1L);
5353 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5354 CtdlGetSysConfigBackend, NULL);
5355 msgnum = config_msgnum;
5356 end_critical_section(S_CONFIG);
5362 msg = CtdlFetchMessage(msgnum, 1);
5364 conf = strdup(msg->cm_fields['M']);
5365 CtdlFreeMessage(msg);
5372 CtdlGetRoom(&CC->room, hold_rm);
5374 if (conf != NULL) do {
5375 extract_token(buf, conf, 0, '\n', sizeof buf);
5376 strcpy(conf, &conf[strlen(buf)+1]);
5377 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5383 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5384 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5389 * Determine whether a given Internet address belongs to the current user
5391 int CtdlIsMe(char *addr, int addr_buf_len)
5393 struct recptypes *recp;
5396 recp = validate_recipients(addr, NULL, 0);
5397 if (recp == NULL) return(0);
5399 if (recp->num_local == 0) {
5400 free_recipients(recp);
5404 for (i=0; i<recp->num_local; ++i) {
5405 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5406 if (!strcasecmp(addr, CC->user.fullname)) {
5407 free_recipients(recp);
5412 free_recipients(recp);
5418 * Citadel protocol command to do the same
5420 void cmd_isme(char *argbuf) {
5423 if (CtdlAccessCheck(ac_logged_in)) return;
5424 extract_token(addr, argbuf, 0, '|', sizeof addr);
5426 if (CtdlIsMe(addr, sizeof addr)) {
5427 cprintf("%d %s\n", CIT_OK, addr);
5430 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5436 /*****************************************************************************/
5437 /* MODULE INITIALIZATION STUFF */
5438 /*****************************************************************************/
5440 CTDL_MODULE_INIT(msgbase)
5443 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5444 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5445 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5446 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5447 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5448 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5449 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5450 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5451 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5452 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5453 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5454 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5457 /* return our Subversion id for the Log */