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>
44 #include <libcitadel.h>
47 #include "serv_extensions.h"
51 #include "sysdep_decls.h"
52 #include "citserver.h"
59 #include "internet_addressing.h"
60 #include "euidindex.h"
61 #include "journaling.h"
62 #include "citadel_dirs.h"
63 #include "clientsocket.h"
66 #include "ctdl_module.h"
69 struct addresses_to_be_filed *atbf = NULL;
71 /* This temp file holds the queue of operations for AdjRefCount() */
72 static FILE *arcfp = NULL;
73 void AdjRefCountList(long *msgnum, long nmsg, int incr);
75 int MessageDebugEnabled = 0;
78 * These are the four-character field headers we use when outputting
79 * messages in Citadel format (as opposed to RFC822 format).
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
83 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
84 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
85 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
86 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
87 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
88 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
89 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
120 * This function is self explanatory.
121 * (What can I say, I'm in a weird mood today...)
123 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
127 for (i = 0; i < strlen(name); ++i) {
128 if (name[i] == '@') {
129 while (isspace(name[i - 1]) && i > 0) {
130 strcpy(&name[i - 1], &name[i]);
133 while (isspace(name[i + 1])) {
134 strcpy(&name[i + 1], &name[i + 2]);
142 * Aliasing for network mail.
143 * (Error messages have been commented out, because this is a server.)
145 int alias(char *name)
146 { /* process alias and routing info for mail */
147 struct CitContext *CCC = CC;
150 char aaa[SIZ], bbb[SIZ];
151 char *ignetcfg = NULL;
152 char *ignetmap = NULL;
158 char original_name[256];
159 safestrncpy(original_name, name, sizeof original_name);
162 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
163 stripallbut(name, '<', '>');
165 fp = fopen(file_mail_aliases, "r");
167 fp = fopen("/dev/null", "r");
174 while (fgets(aaa, sizeof aaa, fp) != NULL) {
175 while (isspace(name[0]))
176 strcpy(name, &name[1]);
177 aaa[strlen(aaa) - 1] = 0;
179 for (a = 0; a < strlen(aaa); ++a) {
181 strcpy(bbb, &aaa[a + 1]);
185 if (!strcasecmp(name, aaa))
190 /* Hit the Global Address Book */
191 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
195 if (strcasecmp(original_name, name)) {
196 MSG_syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
199 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
200 for (a=0; a<strlen(name); ++a) {
201 if (name[a] == '@') {
202 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
204 MSG_syslog(LOG_INFO, "Changed to <%s>\n", name);
209 /* determine local or remote type, see citadel.h */
210 at = haschar(name, '@');
211 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
212 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
213 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
215 /* figure out the delivery mode */
216 extract_token(node, name, 1, '@', sizeof node);
218 /* If there are one or more dots in the nodename, we assume that it
219 * is an FQDN and will attempt SMTP delivery to the Internet.
221 if (haschar(node, '.') > 0) {
222 return(MES_INTERNET);
225 /* Otherwise we look in the IGnet maps for a valid Citadel node.
226 * Try directly-connected nodes first...
228 ignetcfg = CtdlGetSysConfig(IGNETCFG);
229 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
230 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
231 extract_token(testnode, buf, 0, '|', sizeof testnode);
232 if (!strcasecmp(node, testnode)) {
240 * Then try nodes that are two or more hops away.
242 ignetmap = CtdlGetSysConfig(IGNETMAP);
243 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
244 extract_token(buf, ignetmap, i, '\n', sizeof buf);
245 extract_token(testnode, buf, 0, '|', sizeof testnode);
246 if (!strcasecmp(node, testnode)) {
253 /* If we get to this point it's an invalid node name */
259 * Back end for the MSGS command: output message number only.
261 void simple_listing(long msgnum, void *userdata)
263 cprintf("%ld\n", msgnum);
269 * Back end for the MSGS command: output header summary.
271 void headers_listing(long msgnum, void *userdata)
273 struct CtdlMessage *msg;
275 msg = CtdlFetchMessage(msgnum, 0);
277 cprintf("%ld|0|||||\n", msgnum);
281 cprintf("%ld|%s|%s|%s|%s|%s|\n",
283 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
284 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
285 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
286 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
287 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
289 CtdlFreeMessage(msg);
293 * Back end for the MSGS command: output EUID header.
295 void headers_euid(long msgnum, void *userdata)
297 struct CtdlMessage *msg;
299 msg = CtdlFetchMessage(msgnum, 0);
301 cprintf("%ld||\n", msgnum);
305 cprintf("%ld|%s|%s\n",
307 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
308 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
309 CtdlFreeMessage(msg);
316 /* Determine if a given message matches the fields in a message template.
317 * Return 0 for a successful match.
319 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
322 /* If there aren't any fields in the template, all messages will
325 if (template == NULL) return(0);
327 /* Null messages are bogus. */
328 if (msg == NULL) return(1);
330 for (i='A'; i<='Z'; ++i) {
331 if (template->cm_fields[i] != NULL) {
332 if (msg->cm_fields[i] == NULL) {
333 /* Considered equal if temmplate is empty string */
334 if (IsEmptyStr(template->cm_fields[i])) continue;
337 if (strcasecmp(msg->cm_fields[i],
338 template->cm_fields[i])) return 1;
342 /* All compares succeeded: we have a match! */
349 * Retrieve the "seen" message list for the current room.
351 void CtdlGetSeen(char *buf, int which_set) {
352 struct CitContext *CCC = CC;
355 /* Learn about the user and room in question */
356 CtdlGetRelationship(&vbuf, &CCC->user, &CCC->room);
358 if (which_set == ctdlsetseen_seen)
359 safestrncpy(buf, vbuf.v_seen, SIZ);
360 if (which_set == ctdlsetseen_answered)
361 safestrncpy(buf, vbuf.v_answered, SIZ);
367 * Manipulate the "seen msgs" string (or other message set strings)
369 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
370 int target_setting, int which_set,
371 struct ctdluser *which_user, struct ctdlroom *which_room) {
372 struct CitContext *CCC = CC;
373 struct cdbdata *cdbfr;
378 long hi = (-1L); /// TODO: we just write here. y?
387 char *is_set; /* actually an array of booleans */
389 /* Don't bother doing *anything* if we were passed a list of zero messages */
390 if (num_target_msgnums < 1) {
394 /* If no room was specified, we go with the current room. */
396 which_room = &CCC->room;
399 /* If no user was specified, we go with the current user. */
401 which_user = &CCC->user;
404 MSG_syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
405 num_target_msgnums, target_msgnums[0],
406 (target_setting ? "SET" : "CLEAR"),
410 /* Learn about the user and room in question */
411 CtdlGetRelationship(&vbuf, which_user, which_room);
413 /* Load the message list */
414 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
416 msglist = (long *) cdbfr->ptr;
417 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
418 num_msgs = cdbfr->len / sizeof(long);
421 return; /* No messages at all? No further action. */
424 is_set = malloc(num_msgs * sizeof(char));
425 memset(is_set, 0, (num_msgs * sizeof(char)) );
427 /* Decide which message set we're manipulating */
429 case ctdlsetseen_seen:
430 vset = NewStrBufPlain(vbuf.v_seen, -1);
432 case ctdlsetseen_answered:
433 vset = NewStrBufPlain(vbuf.v_answered, -1);
440 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
441 MSG_syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
442 for (i=0; i<num_msgs; ++i) {
443 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
445 MSG_syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
446 for (k=0; k<num_target_msgnums; ++k) {
447 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
451 MSG_syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
453 /* Translate the existing sequence set into an array of booleans */
454 setstr = NewStrBuf();
458 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
460 StrBufExtract_token(lostr, setstr, 0, ':');
461 if (StrBufNum_tokens(setstr, ':') >= 2) {
462 StrBufExtract_token(histr, setstr, 1, ':');
466 StrBufAppendBuf(histr, lostr, 0);
469 if (!strcmp(ChrPtr(histr), "*")) {
476 for (i = 0; i < num_msgs; ++i) {
477 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
487 /* Now translate the array of booleans back into a sequence set */
493 for (i=0; i<num_msgs; ++i) {
497 for (k=0; k<num_target_msgnums; ++k) {
498 if (msglist[i] == target_msgnums[k]) {
499 is_seen = target_setting;
503 if ((was_seen == 0) && (is_seen == 1)) {
506 else if ((was_seen == 1) && (is_seen == 0)) {
509 if (StrLength(vset) > 0) {
510 StrBufAppendBufPlain(vset, HKEY(","), 0);
513 StrBufAppendPrintf(vset, "%ld", hi);
516 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
520 if ((is_seen) && (i == num_msgs - 1)) {
521 if (StrLength(vset) > 0) {
522 StrBufAppendBufPlain(vset, HKEY(","), 0);
524 if ((i==0) || (was_seen == 0)) {
525 StrBufAppendPrintf(vset, "%ld", msglist[i]);
528 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
536 * We will have to stuff this string back into a 4096 byte buffer, so if it's
537 * larger than that now, truncate it by removing tokens from the beginning.
538 * The limit of 100 iterations is there to prevent an infinite loop in case
539 * something unexpected happens.
541 int number_of_truncations = 0;
542 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
543 StrBufRemove_token(vset, 0, ',');
544 ++number_of_truncations;
548 * If we're truncating the sequence set of messages marked with the 'seen' flag,
549 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
550 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
552 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
554 first_tok = NewStrBuf();
555 StrBufExtract_token(first_tok, vset, 0, ',');
556 StrBufRemove_token(vset, 0, ',');
558 if (StrBufNum_tokens(first_tok, ':') > 1) {
559 StrBufRemove_token(first_tok, 0, ':');
563 new_set = NewStrBuf();
564 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
565 StrBufAppendBuf(new_set, first_tok, 0);
566 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
567 StrBufAppendBuf(new_set, vset, 0);
570 FreeStrBuf(&first_tok);
574 MSG_syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
576 /* Decide which message set we're manipulating */
578 case ctdlsetseen_seen:
579 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
581 case ctdlsetseen_answered:
582 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
588 CtdlSetRelationship(&vbuf, which_user, which_room);
594 * API function to perform an operation for each qualifying message in the
595 * current room. (Returns the number of messages processed.)
597 int CtdlForEachMessage(int mode, long ref, char *search_string,
599 struct CtdlMessage *compare,
600 ForEachMsgCallback CallBack,
603 struct CitContext *CCC = CC;
606 struct cdbdata *cdbfr;
607 long *msglist = NULL;
609 int num_processed = 0;
612 struct CtdlMessage *msg = NULL;
615 int printed_lastold = 0;
616 int num_search_msgs = 0;
617 long *search_msgs = NULL;
619 int need_to_free_re = 0;
622 if ((content_type) && (!IsEmptyStr(content_type))) {
623 regcomp(&re, content_type, 0);
627 /* Learn about the user and room in question */
628 if (server_shutting_down) {
629 if (need_to_free_re) regfree(&re);
632 CtdlGetUser(&CCC->user, CCC->curr_user);
634 if (server_shutting_down) {
635 if (need_to_free_re) regfree(&re);
638 CtdlGetRelationship(&vbuf, &CCC->user, &CCC->room);
640 if (server_shutting_down) {
641 if (need_to_free_re) regfree(&re);
645 /* Load the message list */
646 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
648 if (need_to_free_re) regfree(&re);
649 return 0; /* No messages at all? No further action. */
652 msglist = (long *) cdbfr->ptr;
653 num_msgs = cdbfr->len / sizeof(long);
655 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
656 cdb_free(cdbfr); /* we own this memory now */
659 * Now begin the traversal.
661 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
663 /* If the caller is looking for a specific MIME type, filter
664 * out all messages which are not of the type requested.
666 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
668 /* This call to GetMetaData() sits inside this loop
669 * so that we only do the extra database read per msg
670 * if we need to. Doing the extra read all the time
671 * really kills the server. If we ever need to use
672 * metadata for another search criterion, we need to
673 * move the read somewhere else -- but still be smart
674 * enough to only do the read if the caller has
675 * specified something that will need it.
677 if (server_shutting_down) {
678 if (need_to_free_re) regfree(&re);
682 GetMetaData(&smi, msglist[a]);
684 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
685 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
691 num_msgs = sort_msglist(msglist, num_msgs);
693 /* If a template was supplied, filter out the messages which
694 * don't match. (This could induce some delays!)
697 if (compare != NULL) {
698 for (a = 0; a < num_msgs; ++a) {
699 if (server_shutting_down) {
700 if (need_to_free_re) regfree(&re);
704 msg = CtdlFetchMessage(msglist[a], 1);
706 if (CtdlMsgCmp(msg, compare)) {
709 CtdlFreeMessage(msg);
715 /* If a search string was specified, get a message list from
716 * the full text index and remove messages which aren't on both
720 * Since the lists are sorted and strictly ascending, and the
721 * output list is guaranteed to be shorter than or equal to the
722 * input list, we overwrite the bottom of the input list. This
723 * eliminates the need to memmove big chunks of the list over and
726 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
728 /* Call search module via hook mechanism.
729 * NULL means use any search function available.
730 * otherwise replace with a char * to name of search routine
732 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
734 if (num_search_msgs > 0) {
738 orig_num_msgs = num_msgs;
740 for (i=0; i<orig_num_msgs; ++i) {
741 for (j=0; j<num_search_msgs; ++j) {
742 if (msglist[i] == search_msgs[j]) {
743 msglist[num_msgs++] = msglist[i];
749 num_msgs = 0; /* No messages qualify */
751 if (search_msgs != NULL) free(search_msgs);
753 /* Now that we've purged messages which don't contain the search
754 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
761 * Now iterate through the message list, according to the
762 * criteria supplied by the caller.
765 for (a = 0; a < num_msgs; ++a) {
766 if (server_shutting_down) {
767 if (need_to_free_re) regfree(&re);
769 return num_processed;
771 thismsg = msglist[a];
772 if (mode == MSGS_ALL) {
776 is_seen = is_msg_in_sequence_set(
777 vbuf.v_seen, thismsg);
778 if (is_seen) lastold = thismsg;
784 || ((mode == MSGS_OLD) && (is_seen))
785 || ((mode == MSGS_NEW) && (!is_seen))
786 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
787 || ((mode == MSGS_FIRST) && (a < ref))
788 || ((mode == MSGS_GT) && (thismsg > ref))
789 || ((mode == MSGS_LT) && (thismsg < ref))
790 || ((mode == MSGS_EQ) && (thismsg == ref))
793 if ((mode == MSGS_NEW) && (CCC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
795 CallBack(lastold, userdata);
799 if (CallBack) CallBack(thismsg, userdata);
803 if (need_to_free_re) regfree(&re);
806 * We cache the most recent msglist in order to do security checks later
808 if (CCC->client_socket > 0) {
809 if (CCC->cached_msglist != NULL) {
810 free(CCC->cached_msglist);
812 CCC->cached_msglist = msglist;
813 CCC->cached_num_msgs = num_msgs;
819 return num_processed;
825 * cmd_msgs() - get list of message #'s in this room
826 * implements the MSGS server command using CtdlForEachMessage()
828 void cmd_msgs(char *cmdbuf)
837 int with_template = 0;
838 struct CtdlMessage *template = NULL;
839 char search_string[1024];
840 ForEachMsgCallback CallBack;
842 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
844 extract_token(which, cmdbuf, 0, '|', sizeof which);
845 cm_ref = extract_int(cmdbuf, 1);
846 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
847 with_template = extract_int(cmdbuf, 2);
848 switch (extract_int(cmdbuf, 3))
852 CallBack = simple_listing;
855 CallBack = headers_listing;
858 CallBack = headers_euid;
863 if (!strncasecmp(which, "OLD", 3))
865 else if (!strncasecmp(which, "NEW", 3))
867 else if (!strncasecmp(which, "FIRST", 5))
869 else if (!strncasecmp(which, "LAST", 4))
871 else if (!strncasecmp(which, "GT", 2))
873 else if (!strncasecmp(which, "LT", 2))
875 else if (!strncasecmp(which, "SEARCH", 6))
880 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
881 cprintf("%d Full text index is not enabled on this server.\n",
882 ERROR + CMD_NOT_SUPPORTED);
888 cprintf("%d Send template then receive message list\n",
890 template = (struct CtdlMessage *)
891 malloc(sizeof(struct CtdlMessage));
892 memset(template, 0, sizeof(struct CtdlMessage));
893 template->cm_magic = CTDLMESSAGE_MAGIC;
894 template->cm_anon_type = MES_NORMAL;
896 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
897 extract_token(tfield, buf, 0, '|', sizeof tfield);
898 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
899 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
900 if (!strcasecmp(tfield, msgkeys[i])) {
901 template->cm_fields[i] =
909 cprintf("%d \n", LISTING_FOLLOWS);
912 CtdlForEachMessage(mode,
913 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
914 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
919 if (template != NULL) CtdlFreeMessage(template);
927 * help_subst() - support routine for help file viewer
929 void help_subst(char *strbuf, char *source, char *dest)
934 while (p = pattern2(strbuf, source), (p >= 0)) {
935 strcpy(workbuf, &strbuf[p + strlen(source)]);
936 strcpy(&strbuf[p], dest);
937 strcat(strbuf, workbuf);
942 void do_help_subst(char *buffer)
946 help_subst(buffer, "^nodename", config.c_nodename);
947 help_subst(buffer, "^humannode", config.c_humannode);
948 help_subst(buffer, "^fqdn", config.c_fqdn);
949 help_subst(buffer, "^username", CC->user.fullname);
950 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
951 help_subst(buffer, "^usernum", buf2);
952 help_subst(buffer, "^sysadm", config.c_sysadm);
953 help_subst(buffer, "^variantname", CITADEL);
954 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
955 help_subst(buffer, "^maxsessions", buf2);
956 help_subst(buffer, "^bbsdir", ctdl_message_dir);
962 * memfmout() - Citadel text formatter and paginator.
963 * Although the original purpose of this routine was to format
964 * text to the reader's screen width, all we're really using it
965 * for here is to format text out to 80 columns before sending it
966 * to the client. The client software may reformat it again.
969 char *mptr, /* where are we going to get our text from? */
970 const char *nl /* string to terminate lines with */
972 struct CitContext *CCC = CC;
974 unsigned char ch = 0;
981 while (ch=*(mptr++), ch != 0) {
984 if (client_write(outbuf, len) == -1)
986 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
990 if (client_write(nl, nllen) == -1)
992 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
997 else if (ch == '\r') {
998 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
1000 else if (isspace(ch)) {
1001 if (column > 72) { /* Beyond 72 columns, break on the next space */
1002 if (client_write(outbuf, len) == -1)
1004 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1008 if (client_write(nl, nllen) == -1)
1010 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1023 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
1024 if (client_write(outbuf, len) == -1)
1026 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1030 if (client_write(nl, nllen) == -1)
1032 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1040 if (client_write(outbuf, len) == -1)
1042 MSGM_syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1046 client_write(nl, nllen);
1054 * Callback function for mime parser that simply lists the part
1056 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1057 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1058 char *cbid, void *cbuserdata)
1062 ma = (struct ma_info *)cbuserdata;
1063 if (ma->is_ma == 0) {
1064 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1077 * Callback function for multipart prefix
1079 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1080 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1081 char *cbid, void *cbuserdata)
1085 ma = (struct ma_info *)cbuserdata;
1086 if (!strcasecmp(cbtype, "multipart/alternative")) {
1090 if (ma->is_ma == 0) {
1091 cprintf("pref=%s|%s\n", partnum, cbtype);
1096 * Callback function for multipart sufffix
1098 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1099 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1100 char *cbid, void *cbuserdata)
1104 ma = (struct ma_info *)cbuserdata;
1105 if (ma->is_ma == 0) {
1106 cprintf("suff=%s|%s\n", partnum, cbtype);
1108 if (!strcasecmp(cbtype, "multipart/alternative")) {
1115 * Callback function for mime parser that opens a section for downloading
1117 void mime_download(char *name, char *filename, char *partnum, char *disp,
1118 void *content, char *cbtype, char *cbcharset, size_t length,
1119 char *encoding, char *cbid, void *cbuserdata)
1122 CitContext *CCC = MyContext();
1124 /* Silently go away if there's already a download open. */
1125 if (CCC->download_fp != NULL)
1129 (!IsEmptyStr(partnum) && (!strcasecmp(CCC->download_desired_section, partnum)))
1130 || (!IsEmptyStr(cbid) && (!strcasecmp(CCC->download_desired_section, cbid)))
1132 CCC->download_fp = tmpfile();
1133 if (CCC->download_fp == NULL) {
1134 MSG_syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1136 cprintf("%d cannot open temporary file: %s\n",
1137 ERROR + INTERNAL_ERROR, strerror(errno));
1141 rv = fwrite(content, length, 1, CC->download_fp);
1143 MSG_syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1145 cprintf("%d unable to write tempfile.\n",
1147 fclose(CCC->download_fp);
1148 CCC->download_fp = NULL;
1151 fflush(CCC->download_fp);
1152 rewind(CCC->download_fp);
1154 OpenCmdResult(filename, cbtype);
1161 * Callback function for mime parser that outputs a section all at once.
1162 * We can specify the desired section by part number *or* content-id.
1164 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1165 void *content, char *cbtype, char *cbcharset, size_t length,
1166 char *encoding, char *cbid, void *cbuserdata)
1168 int *found_it = (int *)cbuserdata;
1171 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1172 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1175 cprintf("%d %d|-1|%s|%s|%s\n",
1182 client_write(content, length);
1188 * Load a message from disk into memory.
1189 * This is used by CtdlOutputMsg() and other fetch functions.
1191 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1192 * using the CtdlMessageFree() function.
1194 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1196 struct CitContext *CCC = CC;
1197 struct cdbdata *dmsgtext;
1198 struct CtdlMessage *ret = NULL;
1202 cit_uint8_t field_header;
1204 MSG_syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1205 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1206 if (dmsgtext == NULL) {
1209 mptr = dmsgtext->ptr;
1210 upper_bound = mptr + dmsgtext->len;
1212 /* Parse the three bytes that begin EVERY message on disk.
1213 * The first is always 0xFF, the on-disk magic number.
1214 * The second is the anonymous/public type byte.
1215 * The third is the format type byte (vari, fixed, or MIME).
1219 MSG_syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1223 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1224 memset(ret, 0, sizeof(struct CtdlMessage));
1226 ret->cm_magic = CTDLMESSAGE_MAGIC;
1227 ret->cm_anon_type = *mptr++; /* Anon type byte */
1228 ret->cm_format_type = *mptr++; /* Format type byte */
1231 * The rest is zero or more arbitrary fields. Load them in.
1232 * We're done when we encounter either a zero-length field or
1233 * have just processed the 'M' (message text) field.
1236 if (mptr >= upper_bound) {
1239 field_header = *mptr++;
1240 ret->cm_fields[field_header] = strdup(mptr);
1242 while (*mptr++ != 0); /* advance to next field */
1244 } while ((mptr < upper_bound) && (field_header != 'M'));
1248 /* Always make sure there's something in the msg text field. If
1249 * it's NULL, the message text is most likely stored separately,
1250 * so go ahead and fetch that. Failing that, just set a dummy
1251 * body so other code doesn't barf.
1253 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1254 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1255 if (dmsgtext != NULL) {
1256 ret->cm_fields['M'] = dmsgtext->ptr;
1257 dmsgtext->ptr = NULL;
1261 if (ret->cm_fields['M'] == NULL) {
1262 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1265 /* Perform "before read" hooks (aborting if any return nonzero) */
1266 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1267 CtdlFreeMessage(ret);
1276 * Returns 1 if the supplied pointer points to a valid Citadel message.
1277 * If the pointer is NULL or the magic number check fails, returns 0.
1279 int is_valid_message(struct CtdlMessage *msg) {
1282 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1283 struct CitContext *CCC = CC;
1284 MSGM_syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1290 void CtdlFreeMessageContents(struct CtdlMessage *msg)
1294 for (i = 0; i < 256; ++i)
1295 if (msg->cm_fields[i] != NULL) {
1296 free(msg->cm_fields[i]);
1299 msg->cm_magic = 0; /* just in case */
1302 * 'Destructor' for struct CtdlMessage
1304 void CtdlFreeMessage(struct CtdlMessage *msg)
1306 if (is_valid_message(msg) == 0)
1308 if (msg != NULL) free (msg);
1311 CtdlFreeMessageContents(msg);
1315 int DupCMField(int i, struct CtdlMessage *OrgMsg, struct CtdlMessage *NewMsg)
1318 len = strlen(OrgMsg->cm_fields[i]);
1319 NewMsg->cm_fields[i] = malloc(len + 1);
1320 if (NewMsg->cm_fields[i] == NULL)
1322 memcpy(NewMsg->cm_fields[i], OrgMsg->cm_fields[i], len);
1323 NewMsg->cm_fields[i][len] = '\0';
1327 struct CtdlMessage * CtdlDuplicateMessage(struct CtdlMessage *OrgMsg)
1330 struct CtdlMessage *NewMsg;
1332 if (is_valid_message(OrgMsg) == 0)
1334 NewMsg = (struct CtdlMessage *)malloc(sizeof(struct CtdlMessage));
1338 memcpy(NewMsg, OrgMsg, sizeof(struct CtdlMessage));
1340 memset(&NewMsg->cm_fields, 0, sizeof(char*) * 256);
1342 for (i = 0; i < 256; ++i)
1344 if (OrgMsg->cm_fields[i] != NULL)
1346 if (!DupCMField(i, OrgMsg, NewMsg))
1348 CtdlFreeMessage(NewMsg);
1360 * Pre callback function for multipart/alternative
1362 * NOTE: this differs from the standard behavior for a reason. Normally when
1363 * displaying multipart/alternative you want to show the _last_ usable
1364 * format in the message. Here we show the _first_ one, because it's
1365 * usually text/plain. Since this set of functions is designed for text
1366 * output to non-MIME-aware clients, this is the desired behavior.
1369 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1370 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1371 char *cbid, void *cbuserdata)
1373 struct CitContext *CCC = CC;
1376 ma = (struct ma_info *)cbuserdata;
1377 MSG_syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1378 if (!strcasecmp(cbtype, "multipart/alternative")) {
1382 if (!strcasecmp(cbtype, "message/rfc822")) {
1388 * Post callback function for multipart/alternative
1390 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1391 void *content, char *cbtype, char *cbcharset, size_t length,
1392 char *encoding, char *cbid, void *cbuserdata)
1394 struct CitContext *CCC = CC;
1397 ma = (struct ma_info *)cbuserdata;
1398 MSG_syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1399 if (!strcasecmp(cbtype, "multipart/alternative")) {
1403 if (!strcasecmp(cbtype, "message/rfc822")) {
1409 * Inline callback function for mime parser that wants to display text
1411 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1412 void *content, char *cbtype, char *cbcharset, size_t length,
1413 char *encoding, char *cbid, void *cbuserdata)
1415 struct CitContext *CCC = CC;
1421 ma = (struct ma_info *)cbuserdata;
1423 MSG_syslog(LOG_DEBUG,
1424 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1425 partnum, filename, cbtype, (long)length);
1428 * If we're in the middle of a multipart/alternative scope and
1429 * we've already printed another section, skip this one.
1431 if ( (ma->is_ma) && (ma->did_print) ) {
1432 MSG_syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1437 if ( (!strcasecmp(cbtype, "text/plain"))
1438 || (IsEmptyStr(cbtype)) ) {
1441 client_write(wptr, length);
1442 if (wptr[length-1] != '\n') {
1449 if (!strcasecmp(cbtype, "text/html")) {
1450 ptr = html_to_ascii(content, length, 80, 0);
1452 client_write(ptr, wlen);
1453 if ((wlen > 0) && (ptr[wlen-1] != '\n')) {
1460 if (ma->use_fo_hooks) {
1461 if (PerformFixedOutputHooks(cbtype, content, length)) {
1462 /* above function returns nonzero if it handled the part */
1467 if (strncasecmp(cbtype, "multipart/", 10)) {
1468 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1469 partnum, filename, cbtype, (long)length);
1475 * The client is elegant and sophisticated and wants to be choosy about
1476 * MIME content types, so figure out which multipart/alternative part
1477 * we're going to send.
1479 * We use a system of weights. When we find a part that matches one of the
1480 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1481 * and then set ma->chosen_pref to that MIME type's position in our preference
1482 * list. If we then hit another match, we only replace the first match if
1483 * the preference value is lower.
1485 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1486 void *content, char *cbtype, char *cbcharset, size_t length,
1487 char *encoding, char *cbid, void *cbuserdata)
1489 struct CitContext *CCC = CC;
1494 ma = (struct ma_info *)cbuserdata;
1496 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1497 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1498 // I don't know if there are any side effects! Please TEST TEST TEST
1499 //if (ma->is_ma > 0) {
1501 for (i=0; i<num_tokens(CCC->preferred_formats, '|'); ++i) {
1502 extract_token(buf, CCC->preferred_formats, i, '|', sizeof buf);
1503 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1504 if (i < ma->chosen_pref) {
1505 MSG_syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1506 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1507 ma->chosen_pref = i;
1514 * Now that we've chosen our preferred part, output it.
1516 void output_preferred(char *name,
1528 struct CitContext *CCC = CC;
1531 int add_newline = 0;
1534 char *decoded = NULL;
1535 size_t bytes_decoded;
1538 ma = (struct ma_info *)cbuserdata;
1540 /* This is not the MIME part you're looking for... */
1541 if (strcasecmp(partnum, ma->chosen_part)) return;
1543 /* If the content-type of this part is in our preferred formats
1544 * list, we can simply output it verbatim.
1546 for (i=0; i<num_tokens(CCC->preferred_formats, '|'); ++i) {
1547 extract_token(buf, CCC->preferred_formats, i, '|', sizeof buf);
1548 if (!strcasecmp(buf, cbtype)) {
1549 /* Yeah! Go! W00t!! */
1550 if (ma->dont_decode == 0)
1551 rc = mime_decode_now (content,
1557 break; /* Give us the chance, maybe theres another one. */
1559 if (rc == 0) text_content = (char *)content;
1561 text_content = decoded;
1562 length = bytes_decoded;
1565 if (text_content[length-1] != '\n') {
1568 cprintf("Content-type: %s", cbtype);
1569 if (!IsEmptyStr(cbcharset)) {
1570 cprintf("; charset=%s", cbcharset);
1572 cprintf("\nContent-length: %d\n",
1573 (int)(length + add_newline) );
1574 if (!IsEmptyStr(encoding)) {
1575 cprintf("Content-transfer-encoding: %s\n", encoding);
1578 cprintf("Content-transfer-encoding: 7bit\n");
1580 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1582 if (client_write(text_content, length) == -1)
1584 MSGM_syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1587 if (add_newline) cprintf("\n");
1588 if (decoded != NULL) free(decoded);
1593 /* No translations required or possible: output as text/plain */
1594 cprintf("Content-type: text/plain\n\n");
1596 if (ma->dont_decode == 0)
1597 rc = mime_decode_now (content,
1603 return; /* Give us the chance, maybe theres another one. */
1605 if (rc == 0) text_content = (char *)content;
1607 text_content = decoded;
1608 length = bytes_decoded;
1611 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1612 length, encoding, cbid, cbuserdata);
1613 if (decoded != NULL) free(decoded);
1618 char desired_section[64];
1625 * Callback function for
1627 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1628 void *content, char *cbtype, char *cbcharset, size_t length,
1629 char *encoding, char *cbid, void *cbuserdata)
1631 struct encapmsg *encap;
1633 encap = (struct encapmsg *)cbuserdata;
1635 /* Only proceed if this is the desired section... */
1636 if (!strcasecmp(encap->desired_section, partnum)) {
1637 encap->msglen = length;
1638 encap->msg = malloc(length + 2);
1639 memcpy(encap->msg, content, length);
1646 * Determine whether the specified message exists in the cached_msglist
1647 * (This is a security check)
1649 int check_cached_msglist(long msgnum) {
1650 struct CitContext *CCC = CC;
1652 /* cases in which we skip the check */
1653 if (!CCC) return om_ok; /* not a session */
1654 if (CCC->client_socket <= 0) return om_ok; /* not a client session */
1655 if (CCC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1656 if (CCC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1659 /* Do a binary search within the cached_msglist for the requested msgnum */
1661 int max = (CC->cached_num_msgs - 1);
1663 while (max >= min) {
1664 int middle = min + (max-min) / 2 ;
1665 if (msgnum == CCC->cached_msglist[middle]) {
1668 if (msgnum > CC->cached_msglist[middle]) {
1676 return om_access_denied;
1681 * Determine whether the currently logged in session has permission to read
1682 * messages in the current room.
1684 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1685 if ( (!(CC->logged_in))
1686 && (!(CC->internal_pgm))
1687 && (!config.c_guest_logins)
1689 return(om_not_logged_in);
1696 * Get a message off disk. (returns om_* values found in msgbase.h)
1699 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1700 int mode, /* how would you like that message? */
1701 int headers_only, /* eschew the message body? */
1702 int do_proto, /* do Citadel protocol responses? */
1703 int crlf, /* Use CRLF newlines instead of LF? */
1704 char *section, /* NULL or a message/rfc822 section */
1705 int flags, /* various flags; see msgbase.h */
1709 struct CitContext *CCC = CC;
1710 struct CtdlMessage *TheMessage = NULL;
1711 int retcode = CIT_OK;
1712 struct encapmsg encap;
1715 MSG_syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1717 (section ? section : "<>")
1720 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1723 if (r == om_not_logged_in) {
1724 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1727 cprintf("%d An unknown error has occurred.\n", ERROR);
1734 * Check to make sure the message is actually IN this room
1736 r = check_cached_msglist(msg_num);
1737 if (r == om_access_denied) {
1738 /* Not in the cache? We get ONE shot to check it again. */
1739 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1740 r = check_cached_msglist(msg_num);
1743 MSG_syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1744 msg_num, CCC->room.QRname
1747 if (r == om_access_denied) {
1748 cprintf("%d message %ld was not found in this room\n",
1749 ERROR + HIGHER_ACCESS_REQUIRED,
1758 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1759 * request that we don't even bother loading the body into memory.
1761 if (headers_only == HEADERS_FAST) {
1762 TheMessage = CtdlFetchMessage(msg_num, 0);
1765 TheMessage = CtdlFetchMessage(msg_num, 1);
1768 if (TheMessage == NULL) {
1769 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1770 ERROR + MESSAGE_NOT_FOUND, msg_num);
1771 return(om_no_such_msg);
1774 /* Here is the weird form of this command, to process only an
1775 * encapsulated message/rfc822 section.
1777 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1778 memset(&encap, 0, sizeof encap);
1779 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1780 mime_parser(TheMessage->cm_fields['M'],
1782 *extract_encapsulated_message,
1783 NULL, NULL, (void *)&encap, 0
1786 if ((Author != NULL) && (*Author == NULL))
1788 *Author = TheMessage->cm_fields['A'];
1789 TheMessage->cm_fields['A'] = NULL;
1791 if ((Address != NULL) && (*Address == NULL))
1793 *Address = TheMessage->cm_fields['F'];
1794 TheMessage->cm_fields['F'] = NULL;
1796 CtdlFreeMessage(TheMessage);
1800 encap.msg[encap.msglen] = 0;
1801 TheMessage = convert_internet_message(encap.msg);
1802 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1804 /* Now we let it fall through to the bottom of this
1805 * function, because TheMessage now contains the
1806 * encapsulated message instead of the top-level
1807 * message. Isn't that neat?
1813 cprintf("%d msg %ld has no part %s\n",
1814 ERROR + MESSAGE_NOT_FOUND,
1818 retcode = om_no_such_msg;
1823 /* Ok, output the message now */
1824 if (retcode == CIT_OK)
1825 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1826 if ((Author != NULL) && (*Author == NULL))
1828 *Author = TheMessage->cm_fields['A'];
1829 TheMessage->cm_fields['A'] = NULL;
1831 if ((Address != NULL) && (*Address == NULL))
1833 *Address = TheMessage->cm_fields['F'];
1834 TheMessage->cm_fields['F'] = NULL;
1837 CtdlFreeMessage(TheMessage);
1843 char *qp_encode_email_addrs(char *source)
1845 struct CitContext *CCC = CC;
1846 char *user, *node, *name;
1847 const char headerStr[] = "=?UTF-8?Q?";
1851 int need_to_encode = 0;
1857 long nAddrPtrMax = 50;
1862 if (source == NULL) return source;
1863 if (IsEmptyStr(source)) return source;
1864 if (MessageDebugEnabled != 0) cit_backtrace();
1865 MSG_syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1867 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1868 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1869 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1872 while (!IsEmptyStr (&source[i])) {
1873 if (nColons >= nAddrPtrMax){
1876 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1877 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1878 free (AddrPtr), AddrPtr = ptr;
1880 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1881 memset(&ptr[nAddrPtrMax], 0,
1882 sizeof (long) * nAddrPtrMax);
1884 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1885 free (AddrUtf8), AddrUtf8 = ptr;
1888 if (((unsigned char) source[i] < 32) ||
1889 ((unsigned char) source[i] > 126)) {
1891 AddrUtf8[nColons] = 1;
1893 if (source[i] == '"')
1894 InQuotes = !InQuotes;
1895 if (!InQuotes && source[i] == ',') {
1896 AddrPtr[nColons] = i;
1901 if (need_to_encode == 0) {
1908 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1909 Encoded = (char*) malloc (EncodedMaxLen);
1911 for (i = 0; i < nColons; i++)
1912 source[AddrPtr[i]++] = '\0';
1913 /* TODO: if libidn, this might get larger*/
1914 user = malloc(SourceLen + 1);
1915 node = malloc(SourceLen + 1);
1916 name = malloc(SourceLen + 1);
1920 for (i = 0; i < nColons && nPtr != NULL; i++) {
1921 nmax = EncodedMaxLen - (nPtr - Encoded);
1923 process_rfc822_addr(&source[AddrPtr[i]],
1927 /* TODO: libIDN here ! */
1928 if (IsEmptyStr(name)) {
1929 n = snprintf(nPtr, nmax,
1930 (i==0)?"%s@%s" : ",%s@%s",
1934 EncodedName = rfc2047encode(name, strlen(name));
1935 n = snprintf(nPtr, nmax,
1936 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1937 EncodedName, user, node);
1942 n = snprintf(nPtr, nmax,
1943 (i==0)?"%s" : ",%s",
1944 &source[AddrPtr[i]]);
1950 ptr = (char*) malloc(EncodedMaxLen * 2);
1951 memcpy(ptr, Encoded, EncodedMaxLen);
1952 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1953 free(Encoded), Encoded = ptr;
1955 i--; /* do it once more with properly lengthened buffer */
1958 for (i = 0; i < nColons; i++)
1959 source[--AddrPtr[i]] = ',';
1970 /* If the last item in a list of recipients was truncated to a partial address,
1971 * remove it completely in order to avoid choking libSieve
1973 void sanitize_truncated_recipient(char *str)
1976 if (num_tokens(str, ',') < 2) return;
1978 int len = strlen(str);
1979 if (len < 900) return;
1980 if (len > 998) str[998] = 0;
1982 char *cptr = strrchr(str, ',');
1985 char *lptr = strchr(cptr, '<');
1986 char *rptr = strchr(cptr, '>');
1988 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1994 void OutputCtdlMsgHeaders(
1995 struct CtdlMessage *TheMessage,
1996 int do_proto) /* do Citadel protocol responses? */
2002 char display_name[256];
2004 /* begin header processing loop for Citadel message format */
2005 safestrncpy(display_name, "<unknown>", sizeof display_name);
2006 if (TheMessage->cm_fields['A']) {
2007 strcpy(buf, TheMessage->cm_fields['A']);
2008 if (TheMessage->cm_anon_type == MES_ANONONLY) {
2009 safestrncpy(display_name, "****", sizeof display_name);
2011 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
2012 safestrncpy(display_name, "anonymous", sizeof display_name);
2015 safestrncpy(display_name, buf, sizeof display_name);
2017 if ((is_room_aide())
2018 && ((TheMessage->cm_anon_type == MES_ANONONLY)
2019 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
2020 size_t tmp = strlen(display_name);
2021 snprintf(&display_name[tmp],
2022 sizeof display_name - tmp,
2027 /* Don't show Internet address for users on the
2028 * local Citadel network.
2031 if (TheMessage->cm_fields['N'] != NULL)
2032 if (!IsEmptyStr(TheMessage->cm_fields['N']))
2033 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
2037 /* Now spew the header fields in the order we like them. */
2038 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
2039 for (i=0; i<n; ++i) {
2040 k = (int) allkeys[i];
2042 if ( (TheMessage->cm_fields[k] != NULL)
2043 && (msgkeys[k] != NULL) ) {
2044 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
2045 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
2048 if (do_proto) cprintf("%s=%s\n",
2052 else if ((k == 'F') && (suppress_f)) {
2055 /* Masquerade display name if needed */
2057 if (do_proto) cprintf("%s=%s\n",
2059 TheMessage->cm_fields[k]
2068 void OutputRFC822MsgHeaders(
2069 struct CtdlMessage *TheMessage,
2070 int flags, /* should the bessage be exported clean */
2072 char *mid, long sizeof_mid,
2073 char *suser, long sizeof_suser,
2074 char *luser, long sizeof_luser,
2075 char *fuser, long sizeof_fuser,
2076 char *snode, long sizeof_snode)
2078 char datestamp[100];
2079 int subject_found = 0;
2086 for (i = 0; i < 256; ++i) {
2087 if (TheMessage->cm_fields[i]) {
2088 mptr = mpptr = TheMessage->cm_fields[i];
2091 safestrncpy(luser, mptr, sizeof_luser);
2092 safestrncpy(suser, mptr, sizeof_suser);
2094 else if (i == 'Y') {
2095 if ((flags & QP_EADDR) != 0) {
2096 mptr = qp_encode_email_addrs(mptr);
2098 sanitize_truncated_recipient(mptr);
2099 cprintf("CC: %s%s", mptr, nl);
2101 else if (i == 'P') {
2102 cprintf("Return-Path: %s%s", mptr, nl);
2104 else if (i == 'L') {
2105 cprintf("List-ID: %s%s", mptr, nl);
2107 else if (i == 'V') {
2108 if ((flags & QP_EADDR) != 0)
2109 mptr = qp_encode_email_addrs(mptr);
2111 while ((*hptr != '\0') && isspace(*hptr))
2113 if (!IsEmptyStr(hptr))
2114 cprintf("Envelope-To: %s%s", hptr, nl);
2116 else if (i == 'U') {
2117 cprintf("Subject: %s%s", mptr, nl);
2121 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2123 safestrncpy(fuser, mptr, sizeof_fuser);
2124 /* else if (i == 'O')
2125 cprintf("X-Citadel-Room: %s%s",
2128 safestrncpy(snode, mptr, sizeof_snode);
2131 if (haschar(mptr, '@') == 0)
2133 sanitize_truncated_recipient(mptr);
2134 cprintf("To: %s@%s", mptr, config.c_fqdn);
2139 if ((flags & QP_EADDR) != 0) {
2140 mptr = qp_encode_email_addrs(mptr);
2142 sanitize_truncated_recipient(mptr);
2143 cprintf("To: %s", mptr);
2147 else if (i == 'T') {
2148 datestring(datestamp, sizeof datestamp,
2149 atol(mptr), DATESTRING_RFC822);
2150 cprintf("Date: %s%s", datestamp, nl);
2152 else if (i == 'W') {
2153 cprintf("References: ");
2154 k = num_tokens(mptr, '|');
2155 for (j=0; j<k; ++j) {
2156 extract_token(buf, mptr, j, '|', sizeof buf);
2157 cprintf("<%s>", buf);
2166 else if (i == 'K') {
2168 while ((*hptr != '\0') && isspace(*hptr))
2170 if (!IsEmptyStr(hptr))
2171 cprintf("Reply-To: %s%s", mptr, nl);
2177 if (subject_found == 0) {
2178 cprintf("Subject: (no subject)%s", nl);
2183 void Dump_RFC822HeadersBody(
2184 struct CtdlMessage *TheMessage,
2185 int headers_only, /* eschew the message body? */
2186 int flags, /* should the bessage be exported clean? */
2190 cit_uint8_t prev_ch;
2192 const char *StartOfText = StrBufNOTNULL;
2195 int nllen = strlen(nl);
2198 mptr = TheMessage->cm_fields['M'];
2202 while (*mptr != '\0') {
2203 if (*mptr == '\r') {
2210 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2212 eoh = *(mptr+1) == '\n';
2216 StartOfText = strchr(StartOfText, '\n');
2217 StartOfText = strchr(StartOfText, '\n');
2220 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2221 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2222 ((headers_only != HEADERS_NONE) &&
2223 (headers_only != HEADERS_ONLY))
2225 if (*mptr == '\n') {
2226 memcpy(&outbuf[outlen], nl, nllen);
2228 outbuf[outlen] = '\0';
2231 outbuf[outlen++] = *mptr;
2235 if (flags & ESC_DOT)
2237 if ((prev_ch == '\n') &&
2239 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2241 outbuf[outlen++] = '.';
2246 if (outlen > 1000) {
2247 if (client_write(outbuf, outlen) == -1)
2249 struct CitContext *CCC = CC;
2250 MSGM_syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2257 client_write(outbuf, outlen);
2263 /* If the format type on disk is 1 (fixed-format), then we want
2264 * everything to be output completely literally ... regardless of
2265 * what message transfer format is in use.
2267 void DumpFormatFixed(
2268 struct CtdlMessage *TheMessage,
2269 int mode, /* how would you like that message? */
2276 int nllen = strlen (nl);
2279 mptr = TheMessage->cm_fields['M'];
2281 if (mode == MT_MIME) {
2282 cprintf("Content-type: text/plain\n\n");
2286 while (ch = *mptr++, ch > 0) {
2290 if ((buflen > 250) && (!xlline)){
2294 while ((buflen > 0) &&
2295 (!isspace(buf[buflen])))
2301 mptr -= tbuflen - buflen;
2306 /* if we reach the outer bounds of our buffer,
2307 abort without respect what whe purge. */
2310 (buflen > SIZ - nllen - 2)))
2314 memcpy (&buf[buflen], nl, nllen);
2318 if (client_write(buf, buflen) == -1)
2320 struct CitContext *CCC = CC;
2321 MSGM_syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2333 if (!IsEmptyStr(buf))
2334 cprintf("%s%s", buf, nl);
2338 * Get a message off disk. (returns om_* values found in msgbase.h)
2340 int CtdlOutputPreLoadedMsg(
2341 struct CtdlMessage *TheMessage,
2342 int mode, /* how would you like that message? */
2343 int headers_only, /* eschew the message body? */
2344 int do_proto, /* do Citadel protocol responses? */
2345 int crlf, /* Use CRLF newlines instead of LF? */
2346 int flags /* should the bessage be exported clean? */
2348 struct CitContext *CCC = CC;
2351 const char *nl; /* newline string */
2354 /* Buffers needed for RFC822 translation. These are all filled
2355 * using functions that are bounds-checked, and therefore we can
2356 * make them substantially smaller than SIZ.
2364 MSG_syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2365 ((TheMessage == NULL) ? "NULL" : "not null"),
2366 mode, headers_only, do_proto, crlf);
2368 strcpy(mid, "unknown");
2369 nl = (crlf ? "\r\n" : "\n");
2371 if (!is_valid_message(TheMessage)) {
2372 MSGM_syslog(LOG_ERR,
2373 "ERROR: invalid preloaded message for output\n");
2375 return(om_no_such_msg);
2378 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2379 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2381 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2382 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2385 /* Are we downloading a MIME component? */
2386 if (mode == MT_DOWNLOAD) {
2387 if (TheMessage->cm_format_type != FMT_RFC822) {
2389 cprintf("%d This is not a MIME message.\n",
2390 ERROR + ILLEGAL_VALUE);
2391 } else if (CCC->download_fp != NULL) {
2392 if (do_proto) cprintf(
2393 "%d You already have a download open.\n",
2394 ERROR + RESOURCE_BUSY);
2396 /* Parse the message text component */
2397 mptr = TheMessage->cm_fields['M'];
2398 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2399 /* If there's no file open by this time, the requested
2400 * section wasn't found, so print an error
2402 if (CCC->download_fp == NULL) {
2403 if (do_proto) cprintf(
2404 "%d Section %s not found.\n",
2405 ERROR + FILE_NOT_FOUND,
2406 CCC->download_desired_section);
2409 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2412 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2413 * in a single server operation instead of opening a download file.
2415 if (mode == MT_SPEW_SECTION) {
2416 if (TheMessage->cm_format_type != FMT_RFC822) {
2418 cprintf("%d This is not a MIME message.\n",
2419 ERROR + ILLEGAL_VALUE);
2421 /* Parse the message text component */
2424 mptr = TheMessage->cm_fields['M'];
2425 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2426 /* If section wasn't found, print an error
2429 if (do_proto) cprintf(
2430 "%d Section %s not found.\n",
2431 ERROR + FILE_NOT_FOUND,
2432 CCC->download_desired_section);
2435 return((CCC->download_fp != NULL) ? om_ok : om_mime_error);
2438 /* now for the user-mode message reading loops */
2439 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2441 /* Does the caller want to skip the headers? */
2442 if (headers_only == HEADERS_NONE) goto START_TEXT;
2444 /* Tell the client which format type we're using. */
2445 if ( (mode == MT_CITADEL) && (do_proto) ) {
2446 cprintf("type=%d\n", TheMessage->cm_format_type);
2449 /* nhdr=yes means that we're only displaying headers, no body */
2450 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2451 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2454 cprintf("nhdr=yes\n");
2457 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2458 OutputCtdlMsgHeaders(TheMessage, do_proto);
2461 /* begin header processing loop for RFC822 transfer format */
2465 strcpy(snode, NODENAME);
2466 if (mode == MT_RFC822)
2467 OutputRFC822MsgHeaders(
2472 suser, sizeof(suser),
2473 luser, sizeof(luser),
2474 fuser, sizeof(fuser),
2475 snode, sizeof(snode)
2479 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2480 suser[i] = tolower(suser[i]);
2481 if (!isalnum(suser[i])) suser[i]='_';
2484 if (mode == MT_RFC822) {
2485 if (!strcasecmp(snode, NODENAME)) {
2486 safestrncpy(snode, FQDN, sizeof snode);
2489 /* Construct a fun message id */
2490 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2491 if (strchr(mid, '@')==NULL) {
2492 cprintf("@%s", snode);
2496 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2497 cprintf("From: \"----\" <x@x.org>%s", nl);
2499 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2500 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2502 else if (!IsEmptyStr(fuser)) {
2503 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2506 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2509 /* Blank line signifying RFC822 end-of-headers */
2510 if (TheMessage->cm_format_type != FMT_RFC822) {
2515 /* end header processing loop ... at this point, we're in the text */
2517 if (headers_only == HEADERS_FAST) goto DONE;
2519 /* Tell the client about the MIME parts in this message */
2520 if (TheMessage->cm_format_type == FMT_RFC822) {
2521 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2522 mptr = TheMessage->cm_fields['M'];
2523 memset(&ma, 0, sizeof(struct ma_info));
2524 mime_parser(mptr, NULL,
2525 (do_proto ? *list_this_part : NULL),
2526 (do_proto ? *list_this_pref : NULL),
2527 (do_proto ? *list_this_suff : NULL),
2530 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2531 Dump_RFC822HeadersBody(
2540 if (headers_only == HEADERS_ONLY) {
2544 /* signify start of msg text */
2545 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2546 if (do_proto) cprintf("text\n");
2549 if (TheMessage->cm_format_type == FMT_FIXED)
2552 mode, /* how would you like that message? */
2555 /* If the message on disk is format 0 (Citadel vari-format), we
2556 * output using the formatter at 80 columns. This is the final output
2557 * form if the transfer format is RFC822, but if the transfer format
2558 * is Citadel proprietary, it'll still work, because the indentation
2559 * for new paragraphs is correct and the client will reformat the
2560 * message to the reader's screen width.
2562 if (TheMessage->cm_format_type == FMT_CITADEL) {
2563 mptr = TheMessage->cm_fields['M'];
2565 if (mode == MT_MIME) {
2566 cprintf("Content-type: text/x-citadel-variformat\n\n");
2571 /* If the message on disk is format 4 (MIME), we've gotta hand it
2572 * off to the MIME parser. The client has already been told that
2573 * this message is format 1 (fixed format), so the callback function
2574 * we use will display those parts as-is.
2576 if (TheMessage->cm_format_type == FMT_RFC822) {
2577 memset(&ma, 0, sizeof(struct ma_info));
2579 if (mode == MT_MIME) {
2580 ma.use_fo_hooks = 0;
2581 strcpy(ma.chosen_part, "1");
2582 ma.chosen_pref = 9999;
2583 ma.dont_decode = CCC->msg4_dont_decode;
2584 mime_parser(mptr, NULL,
2585 *choose_preferred, *fixed_output_pre,
2586 *fixed_output_post, (void *)&ma, 1);
2587 mime_parser(mptr, NULL,
2588 *output_preferred, NULL, NULL, (void *)&ma, 1);
2591 ma.use_fo_hooks = 1;
2592 mime_parser(mptr, NULL,
2593 *fixed_output, *fixed_output_pre,
2594 *fixed_output_post, (void *)&ma, 0);
2599 DONE: /* now we're done */
2600 if (do_proto) cprintf("000\n");
2606 * display a message (mode 0 - Citadel proprietary)
2608 void cmd_msg0(char *cmdbuf)
2611 int headers_only = HEADERS_ALL;
2613 msgid = extract_long(cmdbuf, 0);
2614 headers_only = extract_int(cmdbuf, 1);
2616 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0, NULL, NULL);
2622 * display a message (mode 2 - RFC822)
2624 void cmd_msg2(char *cmdbuf)
2627 int headers_only = HEADERS_ALL;
2629 msgid = extract_long(cmdbuf, 0);
2630 headers_only = extract_int(cmdbuf, 1);
2632 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0, NULL, NULL);
2638 * display a message (mode 3 - IGnet raw format - internal programs only)
2640 void cmd_msg3(char *cmdbuf)
2643 struct CtdlMessage *msg = NULL;
2646 if (CC->internal_pgm == 0) {
2647 cprintf("%d This command is for internal programs only.\n",
2648 ERROR + HIGHER_ACCESS_REQUIRED);
2652 msgnum = extract_long(cmdbuf, 0);
2653 msg = CtdlFetchMessage(msgnum, 1);
2655 cprintf("%d Message %ld not found.\n",
2656 ERROR + MESSAGE_NOT_FOUND, msgnum);
2660 serialize_message(&smr, msg);
2661 CtdlFreeMessage(msg);
2664 cprintf("%d Unable to serialize message\n",
2665 ERROR + INTERNAL_ERROR);
2669 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2670 client_write((char *)smr.ser, (int)smr.len);
2677 * Display a message using MIME content types
2679 void cmd_msg4(char *cmdbuf)
2684 msgid = extract_long(cmdbuf, 0);
2685 extract_token(section, cmdbuf, 1, '|', sizeof section);
2686 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0, NULL, NULL);
2692 * Client tells us its preferred message format(s)
2694 void cmd_msgp(char *cmdbuf)
2696 if (!strcasecmp(cmdbuf, "dont_decode")) {
2697 CC->msg4_dont_decode = 1;
2698 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2701 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2702 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2708 * Open a component of a MIME message as a download file
2710 void cmd_opna(char *cmdbuf)
2713 char desired_section[128];
2715 msgid = extract_long(cmdbuf, 0);
2716 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2717 safestrncpy(CC->download_desired_section, desired_section,
2718 sizeof CC->download_desired_section);
2719 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0, NULL, NULL);
2724 * Open a component of a MIME message and transmit it all at once
2726 void cmd_dlat(char *cmdbuf)
2729 char desired_section[128];
2731 msgid = extract_long(cmdbuf, 0);
2732 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2733 safestrncpy(CC->download_desired_section, desired_section,
2734 sizeof CC->download_desired_section);
2735 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0, NULL, NULL);
2740 * Save one or more message pointers into a specified room
2741 * (Returns 0 for success, nonzero for failure)
2742 * roomname may be NULL to use the current room
2744 * Note that the 'supplied_msg' field may be set to NULL, in which case
2745 * the message will be fetched from disk, by number, if we need to perform
2746 * replication checks. This adds an additional database read, so if the
2747 * caller already has the message in memory then it should be supplied. (Obviously
2748 * this mode of operation only works if we're saving a single message.)
2750 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2751 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2753 struct CitContext *CCC = CC;
2755 char hold_rm[ROOMNAMELEN];
2756 struct cdbdata *cdbfr;
2759 long highest_msg = 0L;
2762 struct CtdlMessage *msg = NULL;
2764 long *msgs_to_be_merged = NULL;
2765 int num_msgs_to_be_merged = 0;
2767 MSG_syslog(LOG_DEBUG,
2768 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2769 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2772 strcpy(hold_rm, CCC->room.QRname);
2775 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2776 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2777 if (num_newmsgs > 1) supplied_msg = NULL;
2779 /* Now the regular stuff */
2780 if (CtdlGetRoomLock(&CCC->room,
2781 ((roomname != NULL) ? roomname : CCC->room.QRname) )
2783 MSG_syslog(LOG_ERR, "No such room <%s>\n", roomname);
2784 return(ERROR + ROOM_NOT_FOUND);
2788 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2789 num_msgs_to_be_merged = 0;
2792 cdbfr = cdb_fetch(CDB_MSGLISTS, &CCC->room.QRnumber, sizeof(long));
2793 if (cdbfr == NULL) {
2797 msglist = (long *) cdbfr->ptr;
2798 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2799 num_msgs = cdbfr->len / sizeof(long);
2804 /* Create a list of msgid's which were supplied by the caller, but do
2805 * not already exist in the target room. It is absolutely taboo to
2806 * have more than one reference to the same message in a room.
2808 for (i=0; i<num_newmsgs; ++i) {
2810 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2811 if (msglist[j] == newmsgidlist[i]) {
2816 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2820 MSG_syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2823 * Now merge the new messages
2825 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2826 if (msglist == NULL) {
2827 MSGM_syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2828 free(msgs_to_be_merged);
2829 return (ERROR + INTERNAL_ERROR);
2831 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2832 num_msgs += num_msgs_to_be_merged;
2834 /* Sort the message list, so all the msgid's are in order */
2835 num_msgs = sort_msglist(msglist, num_msgs);
2837 /* Determine the highest message number */
2838 highest_msg = msglist[num_msgs - 1];
2840 /* Write it back to disk. */
2841 cdb_store(CDB_MSGLISTS, &CCC->room.QRnumber, (int)sizeof(long),
2842 msglist, (int)(num_msgs * sizeof(long)));
2844 /* Free up the memory we used. */
2847 /* Update the highest-message pointer and unlock the room. */
2848 CCC->room.QRhighest = highest_msg;
2849 CtdlPutRoomLock(&CCC->room);
2851 /* Perform replication checks if necessary */
2852 if ( (DoesThisRoomNeedEuidIndexing(&CCC->room)) && (do_repl_check) ) {
2853 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2855 for (i=0; i<num_msgs_to_be_merged; ++i) {
2856 msgid = msgs_to_be_merged[i];
2858 if (supplied_msg != NULL) {
2862 msg = CtdlFetchMessage(msgid, 0);
2866 ReplicationChecks(msg);
2868 /* If the message has an Exclusive ID, index that... */
2869 if (msg->cm_fields['E'] != NULL) {
2870 index_message_by_euid(msg->cm_fields['E'], &CCC->room, msgid);
2873 /* Free up the memory we may have allocated */
2874 if (msg != supplied_msg) {
2875 CtdlFreeMessage(msg);
2883 MSGM_syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2886 /* Submit this room for processing by hooks */
2887 PerformRoomHooks(&CCC->room);
2889 /* Go back to the room we were in before we wandered here... */
2890 CtdlGetRoom(&CCC->room, hold_rm);
2892 /* Bump the reference count for all messages which were merged */
2893 if (!suppress_refcount_adj) {
2894 AdjRefCountList(msgs_to_be_merged, num_msgs_to_be_merged, +1);
2897 /* Free up memory... */
2898 if (msgs_to_be_merged != NULL) {
2899 free(msgs_to_be_merged);
2902 /* Return success. */
2908 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2911 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2912 int do_repl_check, struct CtdlMessage *supplied_msg)
2914 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2921 * Message base operation to save a new message to the message store
2922 * (returns new message number)
2924 * This is the back end for CtdlSubmitMsg() and should not be directly
2925 * called by server-side modules.
2928 long send_message(struct CtdlMessage *msg) {
2929 struct CitContext *CCC = CC;
2937 /* Get a new message number */
2938 newmsgid = get_new_message_number();
2939 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2940 (long unsigned int) time(NULL),
2941 (long unsigned int) newmsgid,
2945 /* Generate an ID if we don't have one already */
2946 if (msg->cm_fields['I']==NULL) {
2947 msg->cm_fields['I'] = strdup(msgidbuf);
2950 /* If the message is big, set its body aside for storage elsewhere */
2951 if (msg->cm_fields['M'] != NULL) {
2952 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2954 holdM = msg->cm_fields['M'];
2955 msg->cm_fields['M'] = NULL;
2959 /* Serialize our data structure for storage in the database */
2960 serialize_message(&smr, msg);
2963 msg->cm_fields['M'] = holdM;
2967 cprintf("%d Unable to serialize message\n",
2968 ERROR + INTERNAL_ERROR);
2972 /* Write our little bundle of joy into the message base */
2973 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2974 smr.ser, smr.len) < 0) {
2975 MSGM_syslog(LOG_ERR, "Can't store message\n");
2979 cdb_store(CDB_BIGMSGS,
2989 /* Free the memory we used for the serialized message */
2992 /* Return the *local* message ID to the caller
2993 * (even if we're storing an incoming network message)
3001 * Serialize a struct CtdlMessage into the format used on disk and network.
3003 * This function loads up a "struct ser_ret" (defined in server.h) which
3004 * contains the length of the serialized message and a pointer to the
3005 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
3007 void serialize_message(struct ser_ret *ret, /* return values */
3008 struct CtdlMessage *msg) /* unserialized msg */
3010 struct CitContext *CCC = CC;
3011 size_t wlen, fieldlen;
3013 static char *forder = FORDER;
3016 * Check for valid message format
3018 if (is_valid_message(msg) == 0) {
3019 MSGM_syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
3026 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
3027 ret->len = ret->len +
3028 strlen(msg->cm_fields[(int)forder[i]]) + 2;
3030 ret->ser = malloc(ret->len);
3031 if (ret->ser == NULL) {
3032 MSG_syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
3033 (long)ret->len, strerror(errno));
3040 ret->ser[1] = msg->cm_anon_type;
3041 ret->ser[2] = msg->cm_format_type;
3044 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
3045 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
3046 ret->ser[wlen++] = (char)forder[i];
3047 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
3048 wlen = wlen + fieldlen + 1;
3050 if (ret->len != wlen) {
3051 MSG_syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
3052 (long)ret->len, (long)wlen);
3060 * Check to see if any messages already exist in the current room which
3061 * carry the same Exclusive ID as this one. If any are found, delete them.
3063 void ReplicationChecks(struct CtdlMessage *msg) {
3064 struct CitContext *CCC = CC;
3065 long old_msgnum = (-1L);
3067 if (DoesThisRoomNeedEuidIndexing(&CCC->room) == 0) return;
3069 MSG_syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
3072 /* No exclusive id? Don't do anything. */
3073 if (msg == NULL) return;
3074 if (msg->cm_fields['E'] == NULL) return;
3075 if (IsEmptyStr(msg->cm_fields['E'])) return;
3076 /*MSG_syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
3077 msg->cm_fields['E'], CCC->room.QRname);*/
3079 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CCC->room);
3080 if (old_msgnum > 0L) {
3081 MSG_syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
3082 CtdlDeleteMessages(CCC->room.QRname, &old_msgnum, 1, "");
3089 * Save a message to disk and submit it into the delivery system.
3091 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3092 struct recptypes *recps, /* recipients (if mail) */
3093 const char *force, /* force a particular room? */
3094 int flags /* should the message be exported clean? */
3097 char submit_filename[128];
3098 char generated_timestamp[32];
3099 char hold_rm[ROOMNAMELEN];
3100 char actual_rm[ROOMNAMELEN];
3101 char force_room[ROOMNAMELEN];
3102 char content_type[SIZ]; /* We have to learn this */
3103 char recipient[SIZ];
3106 const char *mptr = NULL;
3107 struct ctdluser userbuf;
3109 struct MetaData smi;
3110 FILE *network_fp = NULL;
3111 static int seqnum = 1;
3112 struct CtdlMessage *imsg = NULL;
3114 size_t instr_alloc = 0;
3116 char *hold_R, *hold_D;
3117 char *collected_addresses = NULL;
3118 struct addresses_to_be_filed *aptr = NULL;
3119 StrBuf *saved_rfc822_version = NULL;
3120 int qualified_for_journaling = 0;
3121 CitContext *CCC = MyContext();
3122 char bounce_to[1024] = "";
3125 MSGM_syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3126 if (is_valid_message(msg) == 0) return(-1); /* self check */
3128 /* If this message has no timestamp, we take the liberty of
3129 * giving it one, right now.
3131 if (msg->cm_fields['T'] == NULL) {
3132 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3133 msg->cm_fields['T'] = strdup(generated_timestamp);
3136 /* If this message has no path, we generate one.
3138 if (msg->cm_fields['P'] == NULL) {
3139 if (msg->cm_fields['A'] != NULL) {
3140 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3141 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3142 if (isspace(msg->cm_fields['P'][a])) {
3143 msg->cm_fields['P'][a] = ' ';
3148 msg->cm_fields['P'] = strdup("unknown");
3152 if (force == NULL) {
3153 strcpy(force_room, "");
3156 strcpy(force_room, force);
3159 /* Learn about what's inside, because it's what's inside that counts */
3160 if (msg->cm_fields['M'] == NULL) {
3161 MSGM_syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3165 switch (msg->cm_format_type) {
3167 strcpy(content_type, "text/x-citadel-variformat");
3170 strcpy(content_type, "text/plain");
3173 strcpy(content_type, "text/plain");
3174 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3177 safestrncpy(content_type, &mptr[13], sizeof content_type);
3178 striplt(content_type);
3179 aptr = content_type;
3180 while (!IsEmptyStr(aptr)) {
3192 /* Goto the correct room */
3193 room = (recps) ? CCC->room.QRname : SENTITEMS;
3194 MSG_syslog(LOG_DEBUG, "Selected room %s\n", room);
3195 strcpy(hold_rm, CCC->room.QRname);
3196 strcpy(actual_rm, CCC->room.QRname);
3197 if (recps != NULL) {
3198 strcpy(actual_rm, SENTITEMS);
3201 /* If the user is a twit, move to the twit room for posting */
3203 if (CCC->user.axlevel == AxProbU) {
3204 strcpy(hold_rm, actual_rm);
3205 strcpy(actual_rm, config.c_twitroom);
3206 MSGM_syslog(LOG_DEBUG, "Diverting to twit room\n");
3210 /* ...or if this message is destined for Aide> then go there. */
3211 if (!IsEmptyStr(force_room)) {
3212 strcpy(actual_rm, force_room);
3215 MSG_syslog(LOG_INFO, "Final selection: %s (%s)\n", actual_rm, room);
3216 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3217 /* CtdlGetRoom(&CCC->room, actual_rm); */
3218 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3222 * If this message has no O (room) field, generate one.
3224 if (msg->cm_fields['O'] == NULL) {
3225 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3228 /* Perform "before save" hooks (aborting if any return nonzero) */
3229 MSGM_syslog(LOG_DEBUG, "Performing before-save hooks\n");
3230 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3233 * If this message has an Exclusive ID, and the room is replication
3234 * checking enabled, then do replication checks.
3236 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3237 ReplicationChecks(msg);
3240 /* Save it to disk */
3241 MSGM_syslog(LOG_DEBUG, "Saving to disk\n");
3242 newmsgid = send_message(msg);
3243 if (newmsgid <= 0L) return(-5);
3245 /* Write a supplemental message info record. This doesn't have to
3246 * be a critical section because nobody else knows about this message
3249 MSGM_syslog(LOG_DEBUG, "Creating MetaData record\n");
3250 memset(&smi, 0, sizeof(struct MetaData));
3251 smi.meta_msgnum = newmsgid;
3252 smi.meta_refcount = 0;
3253 safestrncpy(smi.meta_content_type, content_type,
3254 sizeof smi.meta_content_type);
3257 * Measure how big this message will be when rendered as RFC822.
3258 * We do this for two reasons:
3259 * 1. We need the RFC822 length for the new metadata record, so the
3260 * POP and IMAP services don't have to calculate message lengths
3261 * while the user is waiting (multiplied by potentially hundreds
3262 * or thousands of messages).
3263 * 2. If journaling is enabled, we will need an RFC822 version of the
3264 * message to attach to the journalized copy.
3266 if (CCC->redirect_buffer != NULL) {
3267 MSGM_syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3270 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3271 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3272 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3273 saved_rfc822_version = CCC->redirect_buffer;
3274 CCC->redirect_buffer = NULL;
3278 /* Now figure out where to store the pointers */
3279 MSGM_syslog(LOG_DEBUG, "Storing pointers\n");
3281 /* If this is being done by the networker delivering a private
3282 * message, we want to BYPASS saving the sender's copy (because there
3283 * is no local sender; it would otherwise go to the Trashcan).
3285 if ((!CCC->internal_pgm) || (recps == NULL)) {
3286 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3287 MSGM_syslog(LOG_ERR, "ERROR saving message pointer!\n");
3288 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3292 /* For internet mail, drop a copy in the outbound queue room */
3293 if ((recps != NULL) && (recps->num_internet > 0)) {
3294 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3297 /* If other rooms are specified, drop them there too. */
3298 if ((recps != NULL) && (recps->num_room > 0))
3299 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3300 extract_token(recipient, recps->recp_room, i,
3301 '|', sizeof recipient);
3302 MSG_syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);///// xxxx
3303 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3306 /* Bump this user's messages posted counter. */
3307 MSGM_syslog(LOG_DEBUG, "Updating user\n");
3308 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3309 CCC->user.posted = CCC->user.posted + 1;
3310 CtdlPutUserLock(&CCC->user);
3312 /* Decide where bounces need to be delivered */
3313 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3314 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3316 else if (CCC->logged_in) {
3317 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3320 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3323 /* If this is private, local mail, make a copy in the
3324 * recipient's mailbox and bump the reference count.
3326 if ((recps != NULL) && (recps->num_local > 0))
3327 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3328 extract_token(recipient, recps->recp_local, i,
3329 '|', sizeof recipient);
3330 MSG_syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3332 if (CtdlGetUser(&userbuf, recipient) == 0) {
3333 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3334 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3335 CtdlBumpNewMailCounter(userbuf.usernum);
3336 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3337 /* Generate a instruction message for the Funambol notification
3338 * server, in the same style as the SMTP queue
3341 instr = malloc(instr_alloc);
3342 snprintf(instr, instr_alloc,
3343 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3345 SPOOLMIME, newmsgid, (long)time(NULL),
3349 imsg = malloc(sizeof(struct CtdlMessage));
3350 memset(imsg, 0, sizeof(struct CtdlMessage));
3351 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3352 imsg->cm_anon_type = MES_NORMAL;
3353 imsg->cm_format_type = FMT_RFC822;
3354 imsg->cm_fields['U'] = strdup("QMSG");
3355 imsg->cm_fields['A'] = strdup("Citadel");
3356 imsg->cm_fields['J'] = strdup("do not journal");
3357 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3358 imsg->cm_fields['2'] = strdup(recipient);
3359 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3360 CtdlFreeMessage(imsg);
3364 MSG_syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3365 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3369 /* Perform "after save" hooks */
3370 MSGM_syslog(LOG_DEBUG, "Performing after-save hooks\n");
3371 if (msg->cm_fields['3'] != NULL) free(msg->cm_fields['3']);
3372 msg->cm_fields['3'] = malloc(20);
3373 snprintf(msg->cm_fields['3'], 20, "%ld", newmsgid);
3374 PerformMessageHooks(msg, EVT_AFTERSAVE);
3375 free(msg->cm_fields['3']);
3376 msg->cm_fields['3'] = NULL;
3378 /* For IGnet mail, we have to save a new copy into the spooler for
3379 * each recipient, with the R and D fields set to the recipient and
3380 * destination-node. This has two ugly side effects: all other
3381 * recipients end up being unlisted in this recipient's copy of the
3382 * message, and it has to deliver multiple messages to the same
3383 * node. We'll revisit this again in a year or so when everyone has
3384 * a network spool receiver that can handle the new style messages.
3386 if ((recps != NULL) && (recps->num_ignet > 0))
3387 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3388 extract_token(recipient, recps->recp_ignet, i,
3389 '|', sizeof recipient);
3391 hold_R = msg->cm_fields['R'];
3392 hold_D = msg->cm_fields['D'];
3393 msg->cm_fields['R'] = malloc(SIZ);
3394 msg->cm_fields['D'] = malloc(128);
3395 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3396 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3398 serialize_message(&smr, msg);
3400 snprintf(submit_filename, sizeof submit_filename,
3401 "%s/netmail.%04lx.%04x.%04x",
3403 (long) getpid(), CCC->cs_pid, ++seqnum);
3404 network_fp = fopen(submit_filename, "wb+");
3405 if (network_fp != NULL) {
3406 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3408 MSG_syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n",
3416 free(msg->cm_fields['R']);
3417 free(msg->cm_fields['D']);
3418 msg->cm_fields['R'] = hold_R;
3419 msg->cm_fields['D'] = hold_D;
3422 /* Go back to the room we started from */
3423 MSG_syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3424 if (strcasecmp(hold_rm, CCC->room.QRname))
3425 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3427 /* For internet mail, generate delivery instructions.
3428 * Yes, this is recursive. Deal with it. Infinite recursion does
3429 * not happen because the delivery instructions message does not
3430 * contain a recipient.
3432 if ((recps != NULL) && (recps->num_internet > 0)) {
3433 StrBuf *SpoolMsg = NewStrBuf();
3436 MSGM_syslog(LOG_DEBUG, "Generating delivery instructions\n");
3438 StrBufPrintf(SpoolMsg,
3439 "Content-type: "SPOOLMIME"\n"
3448 if (recps->envelope_from != NULL) {
3449 StrBufAppendBufPlain(SpoolMsg, HKEY("envelope_from|"), 0);
3450 StrBufAppendBufPlain(SpoolMsg, recps->envelope_from, -1, 0);
3451 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3453 if (recps->sending_room != NULL) {
3454 StrBufAppendBufPlain(SpoolMsg, HKEY("source_room|"), 0);
3455 StrBufAppendBufPlain(SpoolMsg, recps->sending_room, -1, 0);
3456 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3459 nTokens = num_tokens(recps->recp_internet, '|');
3460 for (i = 0; i < nTokens; i++) {
3462 len = extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3464 StrBufAppendBufPlain(SpoolMsg, HKEY("remote|"), 0);
3465 StrBufAppendBufPlain(SpoolMsg, recipient, len, 0);
3466 StrBufAppendBufPlain(SpoolMsg, HKEY("|0||\n"), 0);
3470 imsg = malloc(sizeof(struct CtdlMessage));
3471 memset(imsg, 0, sizeof(struct CtdlMessage));
3472 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3473 imsg->cm_anon_type = MES_NORMAL;
3474 imsg->cm_format_type = FMT_RFC822;
3475 imsg->cm_fields['U'] = strdup("QMSG");
3476 imsg->cm_fields['A'] = strdup("Citadel");
3477 imsg->cm_fields['J'] = strdup("do not journal");
3478 imsg->cm_fields['M'] = SmashStrBuf(&SpoolMsg); /* imsg owns this memory now */
3479 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3480 CtdlFreeMessage(imsg);
3484 * Any addresses to harvest for someone's address book?
3486 if ( (CCC->logged_in) && (recps != NULL) ) {
3487 collected_addresses = harvest_collected_addresses(msg);
3490 if (collected_addresses != NULL) {
3491 aptr = (struct addresses_to_be_filed *)
3492 malloc(sizeof(struct addresses_to_be_filed));
3493 CtdlMailboxName(actual_rm, sizeof actual_rm,
3494 &CCC->user, USERCONTACTSROOM);
3495 aptr->roomname = strdup(actual_rm);
3496 aptr->collected_addresses = collected_addresses;
3497 begin_critical_section(S_ATBF);
3500 end_critical_section(S_ATBF);
3504 * Determine whether this message qualifies for journaling.
3506 if (msg->cm_fields['J'] != NULL) {
3507 qualified_for_journaling = 0;
3510 if (recps == NULL) {
3511 qualified_for_journaling = config.c_journal_pubmsgs;
3513 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3514 qualified_for_journaling = config.c_journal_email;
3517 qualified_for_journaling = config.c_journal_pubmsgs;
3522 * Do we have to perform journaling? If so, hand off the saved
3523 * RFC822 version will be handed off to the journaler for background
3524 * submit. Otherwise, we have to free the memory ourselves.
3526 if (saved_rfc822_version != NULL) {
3527 if (qualified_for_journaling) {
3528 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3531 FreeStrBuf(&saved_rfc822_version);
3541 * Convenience function for generating small administrative messages.
3543 void quickie_message(const char *from,
3544 const char *fromaddr,
3549 const char *subject)
3551 struct CtdlMessage *msg;
3552 struct recptypes *recp = NULL;
3554 msg = malloc(sizeof(struct CtdlMessage));
3555 memset(msg, 0, sizeof(struct CtdlMessage));
3556 msg->cm_magic = CTDLMESSAGE_MAGIC;
3557 msg->cm_anon_type = MES_NORMAL;
3558 msg->cm_format_type = format_type;
3561 msg->cm_fields['A'] = strdup(from);
3563 else if (fromaddr != NULL) {
3564 msg->cm_fields['A'] = strdup(fromaddr);
3565 if (strchr(msg->cm_fields['A'], '@')) {
3566 *strchr(msg->cm_fields['A'], '@') = 0;
3570 msg->cm_fields['A'] = strdup("Citadel");
3573 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3574 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3575 msg->cm_fields['N'] = strdup(NODENAME);
3577 msg->cm_fields['R'] = strdup(to);
3578 recp = validate_recipients(to, NULL, 0);
3580 if (subject != NULL) {
3581 msg->cm_fields['U'] = strdup(subject);
3583 msg->cm_fields['M'] = strdup(text);
3585 CtdlSubmitMsg(msg, recp, room, 0);
3586 CtdlFreeMessage(msg);
3587 if (recp != NULL) free_recipients(recp);
3590 void flood_protect_quickie_message(const char *from,
3591 const char *fromaddr,
3596 const char *subject,
3598 const char **CritStr,
3603 u_char rawdigest[MD5_DIGEST_LEN];
3604 struct MD5Context md5context;
3606 struct cdbdata *cdbut;
3609 time_t ts = time(NULL);
3610 time_t tsday = ts / (8*60*60); /* just care for a day... */
3612 tslen = snprintf(timestamp, sizeof(timestamp), "%ld", tsday);
3613 MD5Init(&md5context);
3615 for (i = 0; i < nCriterions; i++)
3616 MD5Update(&md5context,
3617 (const unsigned char*)CritStr[i], CritStrLen[i]);
3618 MD5Update(&md5context,
3619 (const unsigned char*)timestamp, tslen);
3620 MD5Final(rawdigest, &md5context);
3622 guid = NewStrBufPlain(NULL,
3623 MD5_DIGEST_LEN * 2 + 12);
3624 StrBufHexEscAppend(guid, NULL, rawdigest, MD5_DIGEST_LEN);
3625 StrBufAppendBufPlain(guid, HKEY("_fldpt"), 0);
3626 if (StrLength(guid) > 40)
3627 StrBufCutAt(guid, 40, NULL);
3628 /* Find out if we've already sent a similar message */
3629 memcpy(ut.ut_msgid, SKEY(guid));
3630 ut.ut_timestamp = ts;
3632 cdbut = cdb_fetch(CDB_USETABLE, SKEY(guid));
3634 if (cdbut != NULL) {
3635 /* yes, we did. flood protection kicks in. */
3637 "not sending message again\n");
3641 /* rewrite the record anyway, to update the timestamp */
3642 cdb_store(CDB_USETABLE,
3644 &ut, sizeof(struct UseTable) );
3648 if (cdbut != NULL) return;
3649 /* no, this message isn't sent recently; go ahead. */
3650 quickie_message(from,
3661 * Back end function used by CtdlMakeMessage() and similar functions
3663 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3665 size_t maxlen, /* maximum message length */
3666 StrBuf *exist, /* if non-null, append to it;
3667 exist is ALWAYS freed */
3668 int crlf, /* CRLF newlines instead of LF */
3669 int *sock /* socket handle or 0 for this session's client socket */
3678 LineBuf = NewStrBufPlain(NULL, SIZ);
3679 if (exist == NULL) {
3680 Message = NewStrBufPlain(NULL, 4 * SIZ);
3683 Message = NewStrBufDup(exist);
3686 /* Do we need to change leading ".." to "." for SMTP escaping? */
3687 if ((tlen == 1) && (*terminator == '.')) {
3691 /* read in the lines of message text one by one */
3694 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3699 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3701 if ((StrLength(LineBuf) == tlen) &&
3702 (!strcmp(ChrPtr(LineBuf), terminator)))
3705 if ( (!flushing) && (!finished) ) {
3707 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3710 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3713 /* Unescape SMTP-style input of two dots at the beginning of the line */
3715 (StrLength(LineBuf) == 2) &&
3716 (!strcmp(ChrPtr(LineBuf), "..")))
3718 StrBufCutLeft(LineBuf, 1);
3721 StrBufAppendBuf(Message, LineBuf, 0);
3724 /* if we've hit the max msg length, flush the rest */
3725 if (StrLength(Message) >= maxlen) flushing = 1;
3727 } while (!finished);
3728 FreeStrBuf(&LineBuf);
3732 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3736 FreeStrBuf(&(*Msg)->MsgBuf);
3742 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3744 size_t maxlen, /* maximum message length */
3745 size_t expectlen, /* if we expect a message, how long should it be? */
3746 StrBuf *exist, /* if non-null, append to it;
3747 exist is ALWAYS freed */
3748 long eLen, /* length of exist */
3749 int crlf /* CRLF newlines instead of LF */
3752 ReadAsyncMsg *NewMsg;
3754 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3755 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3757 if (exist == NULL) {
3760 if (expectlen == 0) {
3764 len = expectlen + 10;
3766 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3769 NewMsg->MsgBuf = NewStrBufDup(exist);
3771 /* Do we need to change leading ".." to "." for SMTP escaping? */
3772 if ((tlen == 1) && (*terminator == '.')) {
3776 NewMsg->terminator = terminator;
3777 NewMsg->tlen = tlen;
3779 NewMsg->maxlen = maxlen;
3781 NewMsg->crlf = crlf;
3787 * Back end function used by CtdlMakeMessage() and similar functions
3789 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3791 ReadAsyncMsg *ReadMsg;
3792 int MsgFinished = 0;
3793 eReadState Finished = eMustReadMore;
3798 const char *pch = ChrPtr(IO->SendBuf.Buf);
3799 const char *pchh = IO->SendBuf.ReadWritePointer;
3805 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3806 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3807 ((CitContext*)(IO->CitContext))->ServiceName,
3810 fd = fopen(fn, "a+");
3813 ReadMsg = IO->ReadMsg;
3815 /* read in the lines of message text one by one */
3817 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3820 case eMustReadMore: /// read new from socket...
3822 if (IO->RecvBuf.ReadWritePointer != NULL) {
3823 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3824 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3826 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3830 fprintf(fd, "BufferEmpty! \n");
3836 case eBufferNotEmpty: /* shouldn't happen... */
3837 case eReadSuccess: /// done for now...
3839 case eReadFail: /// WHUT?
3845 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3846 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3849 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3852 else if (!ReadMsg->flushing) {
3855 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3858 /* Unescape SMTP-style input of two dots at the beginning of the line */
3859 if ((ReadMsg->dodot) &&
3860 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3861 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3864 fprintf(fd, "UnEscaped!\n");
3866 StrBufCutLeft(IO->IOBuf, 1);
3869 if (ReadMsg->crlf) {
3870 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3873 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3876 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3879 /* if we've hit the max msg length, flush the rest */
3880 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3882 } while (!MsgFinished);
3885 fprintf(fd, "Done with reading; %s.\n, ",
3886 (MsgFinished)?"Message Finished": "FAILED");
3890 return eReadSuccess;
3897 * Back end function used by CtdlMakeMessage() and similar functions
3899 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3901 size_t maxlen, /* maximum message length */
3902 StrBuf *exist, /* if non-null, append to it;
3903 exist is ALWAYS freed */
3904 int crlf, /* CRLF newlines instead of LF */
3905 int *sock /* socket handle or 0 for this session's client socket */
3910 Message = CtdlReadMessageBodyBuf(terminator,
3916 if (Message == NULL)
3919 return SmashStrBuf(&Message);
3924 * Build a binary message to be saved on disk.
3925 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3926 * will become part of the message. This means you are no longer
3927 * responsible for managing that memory -- it will be freed along with
3928 * the rest of the fields when CtdlFreeMessage() is called.)
3931 struct CtdlMessage *CtdlMakeMessage(
3932 struct ctdluser *author, /* author's user structure */
3933 char *recipient, /* NULL if it's not mail */
3934 char *recp_cc, /* NULL if it's not mail */
3935 char *room, /* room where it's going */
3936 int type, /* see MES_ types in header file */
3937 int format_type, /* variformat, plain text, MIME... */
3938 char *fake_name, /* who we're masquerading as */
3939 char *my_email, /* which of my email addresses to use (empty is ok) */
3940 char *subject, /* Subject (optional) */
3941 char *supplied_euid, /* ...or NULL if this is irrelevant */
3942 char *preformatted_text, /* ...or NULL to read text from client */
3943 char *references /* Thread references */
3945 char dest_node[256];
3947 struct CtdlMessage *msg;
3949 StrBuf *FakeEncAuthor = NULL;
3951 msg = malloc(sizeof(struct CtdlMessage));
3952 memset(msg, 0, sizeof(struct CtdlMessage));
3953 msg->cm_magic = CTDLMESSAGE_MAGIC;
3954 msg->cm_anon_type = type;
3955 msg->cm_format_type = format_type;
3957 /* Don't confuse the poor folks if it's not routed mail. */
3958 strcpy(dest_node, "");
3960 if (recipient != NULL) striplt(recipient);
3961 if (recp_cc != NULL) striplt(recp_cc);
3963 /* Path or Return-Path */
3964 if (my_email == NULL) my_email = "";
3966 if (!IsEmptyStr(my_email)) {
3967 msg->cm_fields['P'] = strdup(my_email);
3970 snprintf(buf, sizeof buf, "%s", author->fullname);
3971 msg->cm_fields['P'] = strdup(buf);
3973 convert_spaces_to_underscores(msg->cm_fields['P']);
3975 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3976 msg->cm_fields['T'] = strdup(buf);
3978 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3979 FakeAuthor = NewStrBufPlain (fake_name, -1);
3982 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3984 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3985 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3986 FreeStrBuf(&FakeAuthor);
3988 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3989 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3992 msg->cm_fields['O'] = strdup(CC->room.QRname);
3995 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3996 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3998 if ((recipient != NULL) && (recipient[0] != 0)) {
3999 msg->cm_fields['R'] = strdup(recipient);
4001 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
4002 msg->cm_fields['Y'] = strdup(recp_cc);
4004 if (dest_node[0] != 0) {
4005 msg->cm_fields['D'] = strdup(dest_node);
4008 if (!IsEmptyStr(my_email)) {
4009 msg->cm_fields['F'] = strdup(my_email);
4011 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
4012 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
4015 if (subject != NULL) {
4018 length = strlen(subject);
4024 while ((subject[i] != '\0') &&
4025 (IsAscii = isascii(subject[i]) != 0 ))
4028 msg->cm_fields['U'] = strdup(subject);
4029 else /* ok, we've got utf8 in the string. */
4031 msg->cm_fields['U'] = rfc2047encode(subject, length);
4037 if (supplied_euid != NULL) {
4038 msg->cm_fields['E'] = strdup(supplied_euid);
4041 if ((references != NULL) && (!IsEmptyStr(references))) {
4042 if (msg->cm_fields['W'] != NULL)
4043 free(msg->cm_fields['W']);
4044 msg->cm_fields['W'] = strdup(references);
4047 if (preformatted_text != NULL) {
4048 msg->cm_fields['M'] = preformatted_text;
4051 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
4058 * Check to see whether we have permission to post a message in the current
4059 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
4060 * returns 0 on success.
4062 int CtdlDoIHavePermissionToPostInThisRoom(
4065 const char* RemoteIdentifier,
4071 if (!(CC->logged_in) &&
4072 (PostPublic == POST_LOGGED_IN)) {
4073 snprintf(errmsgbuf, n, "Not logged in.");
4074 return (ERROR + NOT_LOGGED_IN);
4076 else if (PostPublic == CHECK_EXISTANCE) {
4077 return (0); // We're Evaling whether a recipient exists
4079 else if (!(CC->logged_in)) {
4081 if ((CC->room.QRflags & QR_READONLY)) {
4082 snprintf(errmsgbuf, n, "Not logged in.");
4083 return (ERROR + NOT_LOGGED_IN);
4085 if (CC->room.QRflags2 & QR2_MODERATED) {
4086 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
4087 return (ERROR + NOT_LOGGED_IN);
4089 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
4091 return CtdlNetconfigCheckRoomaccess(errmsgbuf, n, RemoteIdentifier);
4097 if ((CC->user.axlevel < AxProbU)
4098 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
4099 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
4100 return (ERROR + HIGHER_ACCESS_REQUIRED);
4103 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4105 if (ra & UA_POSTALLOWED) {
4106 strcpy(errmsgbuf, "OK to post or reply here");
4110 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
4112 * To be thorough, we ought to check to see if the message they are
4113 * replying to is actually a valid one in this room, but unless this
4114 * actually becomes a problem we'll go with high performance instead.
4116 strcpy(errmsgbuf, "OK to reply here");
4120 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
4121 /* Clarify what happened with a better error message */
4122 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
4123 return (ERROR + HIGHER_ACCESS_REQUIRED);
4126 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
4127 return (ERROR + HIGHER_ACCESS_REQUIRED);
4133 * Check to see if the specified user has Internet mail permission
4134 * (returns nonzero if permission is granted)
4136 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
4138 /* Do not allow twits to send Internet mail */
4139 if (who->axlevel <= AxProbU) return(0);
4141 /* Globally enabled? */
4142 if (config.c_restrict == 0) return(1);
4144 /* User flagged ok? */
4145 if (who->flags & US_INTERNET) return(2);
4147 /* Admin level access? */
4148 if (who->axlevel >= AxAideU) return(3);
4150 /* No mail for you! */
4156 * Validate recipients, count delivery types and errors, and handle aliasing
4157 * FIXME check for dupes!!!!!
4159 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4160 * were specified, or the number of addresses found invalid.
4162 * Caller needs to free the result using free_recipients()
4164 struct recptypes *validate_recipients(const char *supplied_recipients,
4165 const char *RemoteIdentifier,
4167 struct CitContext *CCC = CC;
4168 struct recptypes *ret;
4169 char *recipients = NULL;
4171 char this_recp[256];
4172 char this_recp_cooked[256];
4179 struct ctdluser tempUS;
4180 struct ctdlroom tempQR;
4181 struct ctdlroom tempQR2;
4187 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4188 if (ret == NULL) return(NULL);
4190 /* Set all strings to null and numeric values to zero */
4191 memset(ret, 0, sizeof(struct recptypes));
4193 if (supplied_recipients == NULL) {
4194 recipients = strdup("");
4197 recipients = strdup(supplied_recipients);
4200 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4201 * actually need, but it's healthier for the heap than doing lots of tiny
4202 * realloc() calls instead.
4204 len = strlen(recipients) + 1024;
4205 ret->errormsg = malloc(len);
4206 ret->recp_local = malloc(len);
4207 ret->recp_internet = malloc(len);
4208 ret->recp_ignet = malloc(len);
4209 ret->recp_room = malloc(len);
4210 ret->display_recp = malloc(len);
4211 ret->recp_orgroom = malloc(len);
4212 org_recp = malloc(len);
4214 ret->errormsg[0] = 0;
4215 ret->recp_local[0] = 0;
4216 ret->recp_internet[0] = 0;
4217 ret->recp_ignet[0] = 0;
4218 ret->recp_room[0] = 0;
4219 ret->recp_orgroom[0] = 0;
4220 ret->display_recp[0] = 0;
4222 ret->recptypes_magic = RECPTYPES_MAGIC;
4224 /* Change all valid separator characters to commas */
4225 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4226 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4227 recipients[i] = ',';
4231 /* Now start extracting recipients... */
4233 while (!IsEmptyStr(recipients)) {
4234 for (i=0; i<=strlen(recipients); ++i) {
4235 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4236 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4237 safestrncpy(this_recp, recipients, i+1);
4239 if (recipients[i] == ',') {
4240 strcpy(recipients, &recipients[i+1]);
4243 strcpy(recipients, "");
4250 if (IsEmptyStr(this_recp))
4252 MSG_syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4255 strcpy(org_recp, this_recp);
4258 mailtype = alias(this_recp);
4260 for (j = 0; !IsEmptyStr(&this_recp[j]); ++j) {
4261 if (this_recp[j]=='_') {
4262 this_recp_cooked[j] = ' ';
4265 this_recp_cooked[j] = this_recp[j];
4268 this_recp_cooked[j] = '\0';
4273 if (!strcasecmp(this_recp, "sysop")) {
4275 strcpy(this_recp, config.c_aideroom);
4276 if (!IsEmptyStr(ret->recp_room)) {
4277 strcat(ret->recp_room, "|");
4279 strcat(ret->recp_room, this_recp);
4281 else if ( (!strncasecmp(this_recp, "room_", 5))
4282 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4284 /* Save room so we can restore it later */
4285 tempQR2 = CCC->room;
4288 /* Check permissions to send mail to this room */
4289 err = CtdlDoIHavePermissionToPostInThisRoom(
4294 0 /* 0 = not a reply */
4303 if (!IsEmptyStr(ret->recp_room)) {
4304 strcat(ret->recp_room, "|");
4306 strcat(ret->recp_room, &this_recp_cooked[5]);
4308 if (!IsEmptyStr(ret->recp_orgroom)) {
4309 strcat(ret->recp_orgroom, "|");
4311 strcat(ret->recp_orgroom, org_recp);
4315 /* Restore room in case something needs it */
4316 CCC->room = tempQR2;
4319 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4321 strcpy(this_recp, tempUS.fullname);
4322 if (!IsEmptyStr(ret->recp_local)) {
4323 strcat(ret->recp_local, "|");
4325 strcat(ret->recp_local, this_recp);
4327 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4329 strcpy(this_recp, tempUS.fullname);
4330 if (!IsEmptyStr(ret->recp_local)) {
4331 strcat(ret->recp_local, "|");
4333 strcat(ret->recp_local, this_recp);
4341 /* Yes, you're reading this correctly: if the target
4342 * domain points back to the local system or an attached
4343 * Citadel directory, the address is invalid. That's
4344 * because if the address were valid, we would have
4345 * already translated it to a local address by now.
4347 if (IsDirectory(this_recp, 0)) {
4352 ++ret->num_internet;
4353 if (!IsEmptyStr(ret->recp_internet)) {
4354 strcat(ret->recp_internet, "|");
4356 strcat(ret->recp_internet, this_recp);
4361 if (!IsEmptyStr(ret->recp_ignet)) {
4362 strcat(ret->recp_ignet, "|");
4364 strcat(ret->recp_ignet, this_recp);
4372 if (IsEmptyStr(errmsg)) {
4373 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4376 snprintf(append, sizeof append, "%s", errmsg);
4378 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4379 if (!IsEmptyStr(ret->errormsg)) {
4380 strcat(ret->errormsg, "; ");
4382 strcat(ret->errormsg, append);
4386 if (IsEmptyStr(ret->display_recp)) {
4387 strcpy(append, this_recp);
4390 snprintf(append, sizeof append, ", %s", this_recp);
4392 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4393 strcat(ret->display_recp, append);
4399 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4400 ret->num_room + ret->num_error) == 0) {
4401 ret->num_error = (-1);
4402 strcpy(ret->errormsg, "No recipients specified.");
4405 MSGM_syslog(LOG_DEBUG, "validate_recipients()\n");
4406 MSG_syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4407 MSG_syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4408 MSG_syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4409 MSG_syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4410 MSG_syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4418 * Destructor for struct recptypes
4420 void free_recipients(struct recptypes *valid) {
4422 if (valid == NULL) {
4426 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4427 struct CitContext *CCC = CC;
4428 MSGM_syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4432 if (valid->errormsg != NULL) free(valid->errormsg);
4433 if (valid->recp_local != NULL) free(valid->recp_local);
4434 if (valid->recp_internet != NULL) free(valid->recp_internet);
4435 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4436 if (valid->recp_room != NULL) free(valid->recp_room);
4437 if (valid->recp_orgroom != NULL) free(valid->recp_orgroom);
4438 if (valid->display_recp != NULL) free(valid->display_recp);
4439 if (valid->bounce_to != NULL) free(valid->bounce_to);
4440 if (valid->envelope_from != NULL) free(valid->envelope_from);
4441 if (valid->sending_room != NULL) free(valid->sending_room);
4448 * message entry - mode 0 (normal)
4450 void cmd_ent0(char *entargs)
4452 struct CitContext *CCC = CC;
4457 char supplied_euid[128];
4459 int format_type = 0;
4460 char newusername[256];
4461 char newuseremail[256];
4462 struct CtdlMessage *msg;
4466 struct recptypes *valid = NULL;
4467 struct recptypes *valid_to = NULL;
4468 struct recptypes *valid_cc = NULL;
4469 struct recptypes *valid_bcc = NULL;
4471 int subject_required = 0;
4476 int newuseremail_ok = 0;
4477 char references[SIZ];
4482 post = extract_int(entargs, 0);
4483 extract_token(recp, entargs, 1, '|', sizeof recp);
4484 anon_flag = extract_int(entargs, 2);
4485 format_type = extract_int(entargs, 3);
4486 extract_token(subject, entargs, 4, '|', sizeof subject);
4487 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4488 do_confirm = extract_int(entargs, 6);
4489 extract_token(cc, entargs, 7, '|', sizeof cc);
4490 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4491 switch(CC->room.QRdefaultview) {
4494 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4497 supplied_euid[0] = 0;
4500 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4501 extract_token(references, entargs, 11, '|', sizeof references);
4502 for (ptr=references; *ptr != 0; ++ptr) {
4503 if (*ptr == '!') *ptr = '|';
4506 /* first check to make sure the request is valid. */
4508 err = CtdlDoIHavePermissionToPostInThisRoom(
4513 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4517 cprintf("%d %s\n", err, errmsg);
4521 /* Check some other permission type things. */
4523 if (IsEmptyStr(newusername)) {
4524 strcpy(newusername, CCC->user.fullname);
4526 if ( (CCC->user.axlevel < AxAideU)
4527 && (strcasecmp(newusername, CCC->user.fullname))
4528 && (strcasecmp(newusername, CCC->cs_inet_fn))
4530 cprintf("%d You don't have permission to author messages as '%s'.\n",
4531 ERROR + HIGHER_ACCESS_REQUIRED,
4538 if (IsEmptyStr(newuseremail)) {
4539 newuseremail_ok = 1;
4542 if (!IsEmptyStr(newuseremail)) {
4543 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4544 newuseremail_ok = 1;
4546 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4547 j = num_tokens(CCC->cs_inet_other_emails, '|');
4548 for (i=0; i<j; ++i) {
4549 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4550 if (!strcasecmp(newuseremail, buf)) {
4551 newuseremail_ok = 1;
4557 if (!newuseremail_ok) {
4558 cprintf("%d You don't have permission to author messages as '%s'.\n",
4559 ERROR + HIGHER_ACCESS_REQUIRED,
4565 CCC->cs_flags |= CS_POSTING;
4567 /* In mailbox rooms we have to behave a little differently --
4568 * make sure the user has specified at least one recipient. Then
4569 * validate the recipient(s). We do this for the Mail> room, as
4570 * well as any room which has the "Mailbox" view set - unless it
4571 * is the DRAFTS room which does not require recipients
4574 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4575 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4576 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4577 if (CCC->user.axlevel < AxProbU) {
4578 strcpy(recp, "sysop");
4583 valid_to = validate_recipients(recp, NULL, 0);
4584 if (valid_to->num_error > 0) {
4585 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4586 free_recipients(valid_to);
4590 valid_cc = validate_recipients(cc, NULL, 0);
4591 if (valid_cc->num_error > 0) {
4592 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4593 free_recipients(valid_to);
4594 free_recipients(valid_cc);
4598 valid_bcc = validate_recipients(bcc, NULL, 0);
4599 if (valid_bcc->num_error > 0) {
4600 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4601 free_recipients(valid_to);
4602 free_recipients(valid_cc);
4603 free_recipients(valid_bcc);
4607 /* Recipient required, but none were specified */
4608 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4609 free_recipients(valid_to);
4610 free_recipients(valid_cc);
4611 free_recipients(valid_bcc);
4612 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4616 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4617 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4618 cprintf("%d You do not have permission "
4619 "to send Internet mail.\n",
4620 ERROR + HIGHER_ACCESS_REQUIRED);
4621 free_recipients(valid_to);
4622 free_recipients(valid_cc);
4623 free_recipients(valid_bcc);
4628 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)
4629 && (CCC->user.axlevel < AxNetU) ) {
4630 cprintf("%d Higher access required for network mail.\n",
4631 ERROR + HIGHER_ACCESS_REQUIRED);
4632 free_recipients(valid_to);
4633 free_recipients(valid_cc);
4634 free_recipients(valid_bcc);
4638 if ((RESTRICT_INTERNET == 1)
4639 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4640 && ((CCC->user.flags & US_INTERNET) == 0)
4641 && (!CCC->internal_pgm)) {
4642 cprintf("%d You don't have access to Internet mail.\n",
4643 ERROR + HIGHER_ACCESS_REQUIRED);
4644 free_recipients(valid_to);
4645 free_recipients(valid_cc);
4646 free_recipients(valid_bcc);
4652 /* Is this a room which has anonymous-only or anonymous-option? */
4653 anonymous = MES_NORMAL;
4654 if (CCC->room.QRflags & QR_ANONONLY) {
4655 anonymous = MES_ANONONLY;
4657 if (CCC->room.QRflags & QR_ANONOPT) {
4658 if (anon_flag == 1) { /* only if the user requested it */
4659 anonymous = MES_ANONOPT;
4663 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4667 /* Recommend to the client that the use of a message subject is
4668 * strongly recommended in this room, if either the SUBJECTREQ flag
4669 * is set, or if there is one or more Internet email recipients.
4671 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4672 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4673 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4674 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4676 /* If we're only checking the validity of the request, return
4677 * success without creating the message.
4680 cprintf("%d %s|%d\n", CIT_OK,
4681 ((valid_to != NULL) ? valid_to->display_recp : ""),
4683 free_recipients(valid_to);
4684 free_recipients(valid_cc);
4685 free_recipients(valid_bcc);
4689 /* We don't need these anymore because we'll do it differently below */
4690 free_recipients(valid_to);
4691 free_recipients(valid_cc);
4692 free_recipients(valid_bcc);
4694 /* Read in the message from the client. */
4696 cprintf("%d send message\n", START_CHAT_MODE);
4698 cprintf("%d send message\n", SEND_LISTING);
4701 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4702 CCC->room.QRname, anonymous, format_type,
4703 newusername, newuseremail, subject,
4704 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4707 /* Put together one big recipients struct containing to/cc/bcc all in
4708 * one. This is for the envelope.
4710 char *all_recps = malloc(SIZ * 3);
4711 strcpy(all_recps, recp);
4712 if (!IsEmptyStr(cc)) {
4713 if (!IsEmptyStr(all_recps)) {
4714 strcat(all_recps, ",");
4716 strcat(all_recps, cc);
4718 if (!IsEmptyStr(bcc)) {
4719 if (!IsEmptyStr(all_recps)) {
4720 strcat(all_recps, ",");
4722 strcat(all_recps, bcc);
4724 if (!IsEmptyStr(all_recps)) {
4725 valid = validate_recipients(all_recps, NULL, 0);
4732 if ((valid != NULL) && (valid->num_room == 1))
4734 /* posting into an ML room? set the envelope from
4735 * to the actual mail address so others get a valid
4738 msg->cm_fields['V'] = strdup(valid->recp_orgroom);
4742 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4744 cprintf("%ld\n", msgnum);
4746 if (StrLength(CCC->StatusMessage) > 0) {
4747 cprintf("%s\n", ChrPtr(CCC->StatusMessage));
4749 else if (msgnum >= 0L) {
4750 client_write(HKEY("Message accepted.\n"));
4753 client_write(HKEY("Internal error.\n"));
4756 if (msg->cm_fields['E'] != NULL) {
4757 cprintf("%s\n", msg->cm_fields['E']);
4764 CtdlFreeMessage(msg);
4766 if (valid != NULL) {
4767 free_recipients(valid);
4775 * API function to delete messages which match a set of criteria
4776 * (returns the actual number of messages deleted)
4778 int CtdlDeleteMessages(char *room_name, /* which room */
4779 long *dmsgnums, /* array of msg numbers to be deleted */
4780 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4781 char *content_type /* or "" for any. regular expressions expected. */
4784 struct CitContext *CCC = CC;
4785 struct ctdlroom qrbuf;
4786 struct cdbdata *cdbfr;
4787 long *msglist = NULL;
4788 long *dellist = NULL;
4791 int num_deleted = 0;
4793 struct MetaData smi;
4796 int need_to_free_re = 0;
4798 if (content_type) if (!IsEmptyStr(content_type)) {
4799 regcomp(&re, content_type, 0);
4800 need_to_free_re = 1;
4802 MSG_syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4803 room_name, num_dmsgnums, content_type);
4805 /* get room record, obtaining a lock... */
4806 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4807 MSG_syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4809 if (need_to_free_re) regfree(&re);
4810 return (0); /* room not found */
4812 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4814 if (cdbfr != NULL) {
4815 dellist = malloc(cdbfr->len);
4816 msglist = (long *) cdbfr->ptr;
4817 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4818 num_msgs = cdbfr->len / sizeof(long);
4822 int have_contenttype = (content_type != NULL) && !IsEmptyStr(content_type);
4823 int have_delmsgs = (num_dmsgnums == 0) || (dmsgnums == NULL);
4824 int have_more_del = 1;
4826 num_msgs = sort_msglist(msglist, num_msgs);
4827 if (num_dmsgnums > 1)
4828 num_dmsgnums = sort_msglist(dmsgnums, num_dmsgnums);
4831 StrBuf *dbg = NewStrBuf();
4832 for (i = 0; i < num_dmsgnums; i++)
4833 StrBufAppendPrintf(dbg, ", %ld", dmsgnums[i]);
4834 MSG_syslog(LOG_DEBUG, "Deleting before: %s", ChrPtr(dbg));
4839 while ((i < num_msgs) && (have_more_del)) {
4843 /* Set/clear a bit for each criterion */
4845 /* 0 messages in the list or a null list means that we are
4846 * interested in deleting any messages which meet the other criteria.
4849 delete_this |= 0x01;
4852 while ((i < num_msgs) && (msglist[i] < dmsgnums[j])) i++;
4853 if (msglist[i] == dmsgnums[j]) {
4854 delete_this |= 0x01;
4857 have_more_del = (j < num_dmsgnums);
4860 if (have_contenttype) {
4861 GetMetaData(&smi, msglist[i]);
4862 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4863 delete_this |= 0x02;
4866 delete_this |= 0x02;
4869 /* Delete message only if all bits are set */
4870 if (delete_this == 0x03) {
4871 dellist[num_deleted++] = msglist[i];
4878 StrBuf *dbg = NewStrBuf();
4879 for (i = 0; i < num_deleted; i++)
4880 StrBufAppendPrintf(dbg, ", %ld", dellist[i]);
4881 MSG_syslog(LOG_DEBUG, "Deleting: %s", ChrPtr(dbg));
4885 num_msgs = sort_msglist(msglist, num_msgs);
4886 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4887 msglist, (int)(num_msgs * sizeof(long)));
4890 qrbuf.QRhighest = msglist[num_msgs - 1];
4892 qrbuf.QRhighest = 0;
4894 CtdlPutRoomLock(&qrbuf);
4896 /* Go through the messages we pulled out of the index, and decrement
4897 * their reference counts by 1. If this is the only room the message
4898 * was in, the reference count will reach zero and the message will
4899 * automatically be deleted from the database. We do this in a
4900 * separate pass because there might be plug-in hooks getting called,
4901 * and we don't want that happening during an S_ROOMS critical
4905 for (i=0; i<num_deleted; ++i) {
4906 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4908 AdjRefCountList(dellist, num_deleted, -1);
4910 /* Now free the memory we used, and go away. */
4911 if (msglist != NULL) free(msglist);
4912 if (dellist != NULL) free(dellist);
4913 MSG_syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4914 if (need_to_free_re) regfree(&re);
4915 return (num_deleted);
4921 * Check whether the current user has permission to delete messages from
4922 * the current room (returns 1 for yes, 0 for no)
4924 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4926 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4927 if (ra & UA_DELETEALLOWED) return(1);
4935 * Delete message from current room
4937 void cmd_dele(char *args)
4946 extract_token(msgset, args, 0, '|', sizeof msgset);
4947 num_msgs = num_tokens(msgset, ',');
4949 cprintf("%d Nothing to do.\n", CIT_OK);
4953 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4954 cprintf("%d Higher access required.\n",
4955 ERROR + HIGHER_ACCESS_REQUIRED);
4960 * Build our message set to be moved/copied
4962 msgs = malloc(num_msgs * sizeof(long));
4963 for (i=0; i<num_msgs; ++i) {
4964 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4965 msgs[i] = atol(msgtok);
4968 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4972 cprintf("%d %d message%s deleted.\n", CIT_OK,
4973 num_deleted, ((num_deleted != 1) ? "s" : ""));
4975 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4983 * move or copy a message to another room
4985 void cmd_move(char *args)
4992 char targ[ROOMNAMELEN];
4993 struct ctdlroom qtemp;
5000 extract_token(msgset, args, 0, '|', sizeof msgset);
5001 num_msgs = num_tokens(msgset, ',');
5003 cprintf("%d Nothing to do.\n", CIT_OK);
5007 extract_token(targ, args, 1, '|', sizeof targ);
5008 convert_room_name_macros(targ, sizeof targ);
5009 targ[ROOMNAMELEN - 1] = 0;
5010 is_copy = extract_int(args, 2);
5012 if (CtdlGetRoom(&qtemp, targ) != 0) {
5013 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
5017 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
5018 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
5022 CtdlGetUser(&CC->user, CC->curr_user);
5023 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
5025 /* Check for permission to perform this operation.
5026 * Remember: "CC->room" is source, "qtemp" is target.
5030 /* Admins can move/copy */
5031 if (CC->user.axlevel >= AxAideU) permit = 1;
5033 /* Room aides can move/copy */
5034 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
5036 /* Permit move/copy from personal rooms */
5037 if ((CC->room.QRflags & QR_MAILBOX)
5038 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
5040 /* Permit only copy from public to personal room */
5042 && (!(CC->room.QRflags & QR_MAILBOX))
5043 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
5045 /* Permit message removal from collaborative delete rooms */
5046 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
5048 /* Users allowed to post into the target room may move into it too. */
5049 if ((CC->room.QRflags & QR_MAILBOX) &&
5050 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
5052 /* User must have access to target room */
5053 if (!(ra & UA_KNOWN)) permit = 0;
5056 cprintf("%d Higher access required.\n",
5057 ERROR + HIGHER_ACCESS_REQUIRED);
5062 * Build our message set to be moved/copied
5064 msgs = malloc(num_msgs * sizeof(long));
5065 for (i=0; i<num_msgs; ++i) {
5066 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
5067 msgs[i] = atol(msgtok);
5073 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
5075 cprintf("%d Cannot store message(s) in %s: error %d\n",
5081 /* Now delete the message from the source room,
5082 * if this is a 'move' rather than a 'copy' operation.
5085 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
5089 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
5095 * GetMetaData() - Get the supplementary record for a message
5097 void GetMetaData(struct MetaData *smibuf, long msgnum)
5100 struct cdbdata *cdbsmi;
5103 memset(smibuf, 0, sizeof(struct MetaData));
5104 smibuf->meta_msgnum = msgnum;
5105 smibuf->meta_refcount = 1; /* Default reference count is 1 */
5107 /* Use the negative of the message number for its supp record index */
5108 TheIndex = (0L - msgnum);
5110 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
5111 if (cdbsmi == NULL) {
5112 return; /* record not found; go with defaults */
5114 memcpy(smibuf, cdbsmi->ptr,
5115 ((cdbsmi->len > sizeof(struct MetaData)) ?
5116 sizeof(struct MetaData) : cdbsmi->len));
5123 * PutMetaData() - (re)write supplementary record for a message
5125 void PutMetaData(struct MetaData *smibuf)
5129 /* Use the negative of the message number for the metadata db index */
5130 TheIndex = (0L - smibuf->meta_msgnum);
5132 cdb_store(CDB_MSGMAIN,
5133 &TheIndex, (int)sizeof(long),
5134 smibuf, (int)sizeof(struct MetaData));
5139 * AdjRefCount - submit an adjustment to the reference count for a message.
5140 * (These are just queued -- we actually process them later.)
5142 void AdjRefCount(long msgnum, int incr)
5144 struct CitContext *CCC = CC;
5145 struct arcq new_arcq;
5148 MSG_syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n", msgnum, incr);
5150 begin_critical_section(S_SUPPMSGMAIN);
5151 if (arcfp == NULL) {
5152 arcfp = fopen(file_arcq, "ab+");
5153 chown(file_arcq, CTDLUID, (-1));
5154 chmod(file_arcq, 0600);
5156 end_critical_section(S_SUPPMSGMAIN);
5158 /* msgnum < 0 means that we're trying to close the file */
5160 MSGM_syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
5161 begin_critical_section(S_SUPPMSGMAIN);
5162 if (arcfp != NULL) {
5166 end_critical_section(S_SUPPMSGMAIN);
5171 * If we can't open the queue, perform the operation synchronously.
5173 if (arcfp == NULL) {
5174 TDAP_AdjRefCount(msgnum, incr);
5178 new_arcq.arcq_msgnum = msgnum;
5179 new_arcq.arcq_delta = incr;
5180 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
5182 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5191 void AdjRefCountList(long *msgnum, long nmsg, int incr)
5193 struct CitContext *CCC = CC;
5194 long i, the_size, offset;
5195 struct arcq *new_arcq;
5198 MSG_syslog(LOG_DEBUG, "AdjRefCountList() msg %ld ref count delta %+d\n", nmsg, incr);
5200 begin_critical_section(S_SUPPMSGMAIN);
5201 if (arcfp == NULL) {
5202 arcfp = fopen(file_arcq, "ab+");
5203 chown(file_arcq, CTDLUID, (-1));
5204 chmod(file_arcq, 0600);
5206 end_critical_section(S_SUPPMSGMAIN);
5209 * If we can't open the queue, perform the operation synchronously.
5211 if (arcfp == NULL) {
5212 for (i = 0; i < nmsg; i++)
5213 TDAP_AdjRefCount(msgnum[i], incr);
5217 the_size = sizeof(struct arcq) * nmsg;
5218 new_arcq = malloc(the_size);
5219 for (i = 0; i < nmsg; i++) {
5220 new_arcq[i].arcq_msgnum = msgnum[i];
5221 new_arcq[i].arcq_delta = incr;
5225 while ((rv >= 0) && (offset < the_size))
5227 rv = fwrite(new_arcq + offset, 1, the_size - offset, arcfp);
5229 MSG_syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
5245 * TDAP_ProcessAdjRefCountQueue()
5247 * Process the queue of message count adjustments that was created by calls
5248 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
5249 * for each one. This should be an "off hours" operation.
5251 int TDAP_ProcessAdjRefCountQueue(void)
5253 struct CitContext *CCC = CC;
5254 char file_arcq_temp[PATH_MAX];
5257 struct arcq arcq_rec;
5258 int num_records_processed = 0;
5260 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
5262 begin_critical_section(S_SUPPMSGMAIN);
5263 if (arcfp != NULL) {
5268 r = link(file_arcq, file_arcq_temp);
5270 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5271 end_critical_section(S_SUPPMSGMAIN);
5272 return(num_records_processed);
5276 end_critical_section(S_SUPPMSGMAIN);
5278 fp = fopen(file_arcq_temp, "rb");
5280 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5281 return(num_records_processed);
5284 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5285 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5286 ++num_records_processed;
5290 r = unlink(file_arcq_temp);
5292 MSG_syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5295 return(num_records_processed);
5301 * TDAP_AdjRefCount - adjust the reference count for a message.
5302 * This one does it "for real" because it's called by
5303 * the autopurger function that processes the queue
5304 * created by AdjRefCount(). If a message's reference
5305 * count becomes zero, we also delete the message from
5306 * disk and de-index it.
5308 void TDAP_AdjRefCount(long msgnum, int incr)
5310 struct CitContext *CCC = CC;
5312 struct MetaData smi;
5315 /* This is a *tight* critical section; please keep it that way, as
5316 * it may get called while nested in other critical sections.
5317 * Complicating this any further will surely cause deadlock!
5319 begin_critical_section(S_SUPPMSGMAIN);
5320 GetMetaData(&smi, msgnum);
5321 smi.meta_refcount += incr;
5323 end_critical_section(S_SUPPMSGMAIN);
5324 MSG_syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5325 msgnum, incr, smi.meta_refcount
5328 /* If the reference count is now zero, delete the message
5329 * (and its supplementary record as well).
5331 if (smi.meta_refcount == 0) {
5332 MSG_syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5334 /* Call delete hooks with NULL room to show it has gone altogether */
5335 PerformDeleteHooks(NULL, msgnum);
5337 /* Remove from message base */
5339 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5340 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5342 /* Remove metadata record */
5343 delnum = (0L - msgnum);
5344 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5350 * Write a generic object to this room
5352 * Note: this could be much more efficient. Right now we use two temporary
5353 * files, and still pull the message into memory as with all others.
5355 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5356 char *content_type, /* MIME type of this object */
5357 char *raw_message, /* Data to be written */
5358 off_t raw_length, /* Size of raw_message */
5359 struct ctdluser *is_mailbox, /* Mailbox room? */
5360 int is_binary, /* Is encoding necessary? */
5361 int is_unique, /* Del others of this type? */
5362 unsigned int flags /* Internal save flags */
5365 struct CitContext *CCC = CC;
5366 struct ctdlroom qrbuf;
5367 char roomname[ROOMNAMELEN];
5368 struct CtdlMessage *msg;
5369 char *encoded_message = NULL;
5371 if (is_mailbox != NULL) {
5372 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5375 safestrncpy(roomname, req_room, sizeof(roomname));
5378 MSG_syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5381 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5384 encoded_message = malloc((size_t)(raw_length + 4096));
5387 sprintf(encoded_message, "Content-type: %s\n", content_type);
5390 sprintf(&encoded_message[strlen(encoded_message)],
5391 "Content-transfer-encoding: base64\n\n"
5395 sprintf(&encoded_message[strlen(encoded_message)],
5396 "Content-transfer-encoding: 7bit\n\n"
5402 &encoded_message[strlen(encoded_message)],
5410 &encoded_message[strlen(encoded_message)],
5416 MSGM_syslog(LOG_DEBUG, "Allocating\n");
5417 msg = malloc(sizeof(struct CtdlMessage));
5418 memset(msg, 0, sizeof(struct CtdlMessage));
5419 msg->cm_magic = CTDLMESSAGE_MAGIC;
5420 msg->cm_anon_type = MES_NORMAL;
5421 msg->cm_format_type = 4;
5422 msg->cm_fields['A'] = strdup(CCC->user.fullname);
5423 msg->cm_fields['O'] = strdup(req_room);
5424 msg->cm_fields['N'] = strdup(config.c_nodename);
5425 msg->cm_fields['H'] = strdup(config.c_humannode);
5426 msg->cm_flags = flags;
5428 msg->cm_fields['M'] = encoded_message;
5430 /* Create the requested room if we have to. */
5431 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5432 CtdlCreateRoom(roomname,
5433 ( (is_mailbox != NULL) ? 5 : 3 ),
5434 "", 0, 1, 0, VIEW_BBS);
5436 /* If the caller specified this object as unique, delete all
5437 * other objects of this type that are currently in the room.
5440 MSG_syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5441 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5444 /* Now write the data */
5445 CtdlSubmitMsg(msg, NULL, roomname, 0);
5446 CtdlFreeMessage(msg);
5454 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5455 config_msgnum = msgnum;
5459 char *CtdlGetSysConfig(char *sysconfname) {
5460 char hold_rm[ROOMNAMELEN];
5463 struct CtdlMessage *msg;
5466 strcpy(hold_rm, CC->room.QRname);
5467 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5468 CtdlGetRoom(&CC->room, hold_rm);
5473 /* We want the last (and probably only) config in this room */
5474 begin_critical_section(S_CONFIG);
5475 config_msgnum = (-1L);
5476 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5477 CtdlGetSysConfigBackend, NULL);
5478 msgnum = config_msgnum;
5479 end_critical_section(S_CONFIG);
5485 msg = CtdlFetchMessage(msgnum, 1);
5487 conf = strdup(msg->cm_fields['M']);
5488 CtdlFreeMessage(msg);
5495 CtdlGetRoom(&CC->room, hold_rm);
5497 if (conf != NULL) do {
5498 extract_token(buf, conf, 0, '\n', sizeof buf);
5499 strcpy(conf, &conf[strlen(buf)+1]);
5500 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5506 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5507 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5512 * Determine whether a given Internet address belongs to the current user
5514 int CtdlIsMe(char *addr, int addr_buf_len)
5516 struct recptypes *recp;
5519 recp = validate_recipients(addr, NULL, 0);
5520 if (recp == NULL) return(0);
5522 if (recp->num_local == 0) {
5523 free_recipients(recp);
5527 for (i=0; i<recp->num_local; ++i) {
5528 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5529 if (!strcasecmp(addr, CC->user.fullname)) {
5530 free_recipients(recp);
5535 free_recipients(recp);
5541 * Citadel protocol command to do the same
5543 void cmd_isme(char *argbuf) {
5546 if (CtdlAccessCheck(ac_logged_in)) return;
5547 extract_token(addr, argbuf, 0, '|', sizeof addr);
5549 if (CtdlIsMe(addr, sizeof addr)) {
5550 cprintf("%d %s\n", CIT_OK, addr);
5553 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5559 /*****************************************************************************/
5560 /* MODULE INITIALIZATION STUFF */
5561 /*****************************************************************************/
5562 void SetMessageDebugEnabled(const int n)
5564 MessageDebugEnabled = n;
5566 CTDL_MODULE_INIT(msgbase)
5569 CtdlRegisterDebugFlagHook(HKEY("messages"), SetMessageDebugEnabled, &MessageDebugEnabled);
5571 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5572 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5573 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5574 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5575 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5576 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5577 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5578 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5579 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5580 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5581 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5582 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5585 /* return our Subversion id for the Log */