4 * Implements the message store.
6 * Copyright (c) 1987-2010 by the citadel.org team
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #if TIME_WITH_SYS_TIME
30 # include <sys/time.h>
34 # include <sys/time.h>
47 #include <sys/types.h>
49 #include <libcitadel.h>
52 #include "serv_extensions.h"
56 #include "sysdep_decls.h"
57 #include "citserver.h"
64 #include "internet_addressing.h"
65 #include "euidindex.h"
66 #include "journaling.h"
67 #include "citadel_dirs.h"
68 #include "clientsocket.h"
69 #include "serv_network.h"
72 #include "ctdl_module.h"
75 struct addresses_to_be_filed *atbf = NULL;
77 /* This temp file holds the queue of operations for AdjRefCount() */
78 static FILE *arcfp = NULL;
81 * This really belongs in serv_network.c, but I don't know how to export
82 * symbols between modules.
84 struct FilterList *filterlist = NULL;
88 * These are the four-character field headers we use when outputting
89 * messages in Citadel format (as opposed to RFC822 format).
92 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
93 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
96 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
98 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
99 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
128 * This function is self explanatory.
129 * (What can I say, I'm in a weird mood today...)
131 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
135 for (i = 0; i < strlen(name); ++i) {
136 if (name[i] == '@') {
137 while (isspace(name[i - 1]) && i > 0) {
138 strcpy(&name[i - 1], &name[i]);
141 while (isspace(name[i + 1])) {
142 strcpy(&name[i + 1], &name[i + 2]);
150 * Aliasing for network mail.
151 * (Error messages have been commented out, because this is a server.)
153 int alias(char *name)
154 { /* process alias and routing info for mail */
157 char aaa[SIZ], bbb[SIZ];
158 char *ignetcfg = NULL;
159 char *ignetmap = NULL;
165 char original_name[256];
166 safestrncpy(original_name, name, sizeof original_name);
169 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
170 stripallbut(name, '<', '>');
172 fp = fopen(file_mail_aliases, "r");
174 fp = fopen("/dev/null", "r");
181 while (fgets(aaa, sizeof aaa, fp) != NULL) {
182 while (isspace(name[0]))
183 strcpy(name, &name[1]);
184 aaa[strlen(aaa) - 1] = 0;
186 for (a = 0; a < strlen(aaa); ++a) {
188 strcpy(bbb, &aaa[a + 1]);
192 if (!strcasecmp(name, aaa))
197 /* Hit the Global Address Book */
198 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
202 if (strcasecmp(original_name, name)) {
203 CtdlLogPrintf(CTDL_INFO, "%s is being forwarded to %s\n", original_name, name);
206 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
207 for (a=0; a<strlen(name); ++a) {
208 if (name[a] == '@') {
209 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
211 CtdlLogPrintf(CTDL_INFO, "Changed to <%s>\n", name);
216 /* determine local or remote type, see citadel.h */
217 at = haschar(name, '@');
218 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
219 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
220 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
222 /* figure out the delivery mode */
223 extract_token(node, name, 1, '@', sizeof node);
225 /* If there are one or more dots in the nodename, we assume that it
226 * is an FQDN and will attempt SMTP delivery to the Internet.
228 if (haschar(node, '.') > 0) {
229 return(MES_INTERNET);
232 /* Otherwise we look in the IGnet maps for a valid Citadel node.
233 * Try directly-connected nodes first...
235 ignetcfg = CtdlGetSysConfig(IGNETCFG);
236 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
237 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
238 extract_token(testnode, buf, 0, '|', sizeof testnode);
239 if (!strcasecmp(node, testnode)) {
247 * Then try nodes that are two or more hops away.
249 ignetmap = CtdlGetSysConfig(IGNETMAP);
250 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
251 extract_token(buf, ignetmap, i, '\n', sizeof buf);
252 extract_token(testnode, buf, 0, '|', sizeof testnode);
253 if (!strcasecmp(node, testnode)) {
260 /* If we get to this point it's an invalid node name */
266 * Back end for the MSGS command: output message number only.
268 void simple_listing(long msgnum, void *userdata)
270 cprintf("%ld\n", msgnum);
276 * Back end for the MSGS command: output header summary.
278 void headers_listing(long msgnum, void *userdata)
280 struct CtdlMessage *msg;
282 msg = CtdlFetchMessage(msgnum, 0);
284 cprintf("%ld|0|||||\n", msgnum);
288 cprintf("%ld|%s|%s|%s|%s|%s|\n",
290 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
291 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
292 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
293 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
294 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
296 CtdlFreeMessage(msg);
300 * Back end for the MSGS command: output EUID header.
302 void headers_euid(long msgnum, void *userdata)
304 struct CtdlMessage *msg;
306 msg = CtdlFetchMessage(msgnum, 0);
308 cprintf("%ld||\n", msgnum);
312 cprintf("%ld|%s|%ld\n",
314 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
315 msg->cm_fields['T']);
316 CtdlFreeMessage(msg);
323 /* Determine if a given message matches the fields in a message template.
324 * Return 0 for a successful match.
326 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
329 /* If there aren't any fields in the template, all messages will
332 if (template == NULL) return(0);
334 /* Null messages are bogus. */
335 if (msg == NULL) return(1);
337 for (i='A'; i<='Z'; ++i) {
338 if (template->cm_fields[i] != NULL) {
339 if (msg->cm_fields[i] == NULL) {
340 /* Considered equal if temmplate is empty string */
341 if (IsEmptyStr(template->cm_fields[i])) continue;
344 if (strcasecmp(msg->cm_fields[i],
345 template->cm_fields[i])) return 1;
349 /* All compares succeeded: we have a match! */
356 * Retrieve the "seen" message list for the current room.
358 void CtdlGetSeen(char *buf, int which_set) {
361 /* Learn about the user and room in question */
362 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
364 if (which_set == ctdlsetseen_seen)
365 safestrncpy(buf, vbuf.v_seen, SIZ);
366 if (which_set == ctdlsetseen_answered)
367 safestrncpy(buf, vbuf.v_answered, SIZ);
373 * Manipulate the "seen msgs" string (or other message set strings)
375 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
376 int target_setting, int which_set,
377 struct ctdluser *which_user, struct ctdlroom *which_room) {
378 struct cdbdata *cdbfr;
392 char *is_set; /* actually an array of booleans */
394 /* Don't bother doing *anything* if we were passed a list of zero messages */
395 if (num_target_msgnums < 1) {
399 /* If no room was specified, we go with the current room. */
401 which_room = &CC->room;
404 /* If no user was specified, we go with the current user. */
406 which_user = &CC->user;
409 CtdlLogPrintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
410 num_target_msgnums, target_msgnums[0],
411 (target_setting ? "SET" : "CLEAR"),
415 /* Learn about the user and room in question */
416 CtdlGetRelationship(&vbuf, which_user, which_room);
418 /* Load the message list */
419 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
421 msglist = (long *) cdbfr->ptr;
422 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
423 num_msgs = cdbfr->len / sizeof(long);
426 return; /* No messages at all? No further action. */
429 is_set = malloc(num_msgs * sizeof(char));
430 memset(is_set, 0, (num_msgs * sizeof(char)) );
432 /* Decide which message set we're manipulating */
434 case ctdlsetseen_seen:
435 vset = NewStrBufPlain(vbuf.v_seen, -1);
437 case ctdlsetseen_answered:
438 vset = NewStrBufPlain(vbuf.v_answered, -1);
445 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
446 CtdlLogPrintf(CTDL_DEBUG, "There are %d messages in the room.\n", num_msgs);
447 for (i=0; i<num_msgs; ++i) {
448 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
450 CtdlLogPrintf(CTDL_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
451 for (k=0; k<num_target_msgnums; ++k) {
452 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
456 CtdlLogPrintf(CTDL_DEBUG, "before update: %s\n", ChrPtr(vset));
458 /* Translate the existing sequence set into an array of booleans */
459 setstr = NewStrBuf();
463 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
465 StrBufExtract_token(lostr, setstr, 0, ':');
466 if (StrBufNum_tokens(setstr, ':') >= 2) {
467 StrBufExtract_token(histr, setstr, 1, ':');
471 StrBufAppendBuf(histr, lostr, 0);
474 if (!strcmp(ChrPtr(histr), "*")) {
481 for (i = 0; i < num_msgs; ++i) {
482 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
492 /* Now translate the array of booleans back into a sequence set */
498 for (i=0; i<num_msgs; ++i) {
502 for (k=0; k<num_target_msgnums; ++k) {
503 if (msglist[i] == target_msgnums[k]) {
504 is_seen = target_setting;
508 if ((was_seen == 0) && (is_seen == 1)) {
511 else if ((was_seen == 1) && (is_seen == 0)) {
514 if (StrLength(vset) > 0) {
515 StrBufAppendBufPlain(vset, HKEY(","), 0);
518 StrBufAppendPrintf(vset, "%ld", hi);
521 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
525 if ((is_seen) && (i == num_msgs - 1)) {
526 if (StrLength(vset) > 0) {
527 StrBufAppendBufPlain(vset, HKEY(","), 0);
529 if ((i==0) || (was_seen == 0)) {
530 StrBufAppendPrintf(vset, "%ld", msglist[i]);
533 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
541 * We will have to stuff this string back into a 4096 byte buffer, so if it's
542 * larger than that now, truncate it by removing tokens from the beginning.
543 * The limit of 100 iterations is there to prevent an infinite loop in case
544 * something unexpected happens.
546 int number_of_truncations = 0;
547 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
548 StrBufRemove_token(vset, 0, ',');
549 ++number_of_truncations;
553 * If we're truncating the sequence set of messages marked with the 'seen' flag,
554 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
555 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
557 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
559 first_tok = NewStrBuf();
560 StrBufExtract_token(first_tok, vset, 0, ',');
561 StrBufRemove_token(vset, 0, ',');
563 if (StrBufNum_tokens(first_tok, ':') > 1) {
564 StrBufRemove_token(first_tok, 0, ':');
568 new_set = NewStrBuf();
569 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
570 StrBufAppendBuf(new_set, first_tok, 0);
571 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
572 StrBufAppendBuf(new_set, vset, 0);
575 FreeStrBuf(&first_tok);
579 CtdlLogPrintf(CTDL_DEBUG, " after update: %s\n", ChrPtr(vset));
581 /* Decide which message set we're manipulating */
583 case ctdlsetseen_seen:
584 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
586 case ctdlsetseen_answered:
587 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
593 CtdlSetRelationship(&vbuf, which_user, which_room);
599 * API function to perform an operation for each qualifying message in the
600 * current room. (Returns the number of messages processed.)
602 int CtdlForEachMessage(int mode, long ref, char *search_string,
604 struct CtdlMessage *compare,
605 ForEachMsgCallback CallBack,
611 struct cdbdata *cdbfr;
612 long *msglist = NULL;
614 int num_processed = 0;
617 struct CtdlMessage *msg = NULL;
620 int printed_lastold = 0;
621 int num_search_msgs = 0;
622 long *search_msgs = NULL;
624 int need_to_free_re = 0;
627 if ((content_type) && (!IsEmptyStr(content_type))) {
628 regcomp(&re, content_type, 0);
632 /* Learn about the user and room in question */
633 CtdlGetUser(&CC->user, CC->curr_user);
634 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
636 /* Load the message list */
637 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
639 msglist = (long *) cdbfr->ptr;
640 num_msgs = cdbfr->len / sizeof(long);
642 if (need_to_free_re) regfree(&re);
643 return 0; /* No messages at all? No further action. */
648 * Now begin the traversal.
650 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
652 /* If the caller is looking for a specific MIME type, filter
653 * out all messages which are not of the type requested.
655 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
657 /* This call to GetMetaData() sits inside this loop
658 * so that we only do the extra database read per msg
659 * if we need to. Doing the extra read all the time
660 * really kills the server. If we ever need to use
661 * metadata for another search criterion, we need to
662 * move the read somewhere else -- but still be smart
663 * enough to only do the read if the caller has
664 * specified something that will need it.
666 GetMetaData(&smi, msglist[a]);
668 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
669 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
675 num_msgs = sort_msglist(msglist, num_msgs);
677 /* If a template was supplied, filter out the messages which
678 * don't match. (This could induce some delays!)
681 if (compare != NULL) {
682 for (a = 0; a < num_msgs; ++a) {
683 msg = CtdlFetchMessage(msglist[a], 1);
685 if (CtdlMsgCmp(msg, compare)) {
688 CtdlFreeMessage(msg);
694 /* If a search string was specified, get a message list from
695 * the full text index and remove messages which aren't on both
699 * Since the lists are sorted and strictly ascending, and the
700 * output list is guaranteed to be shorter than or equal to the
701 * input list, we overwrite the bottom of the input list. This
702 * eliminates the need to memmove big chunks of the list over and
705 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
707 /* Call search module via hook mechanism.
708 * NULL means use any search function available.
709 * otherwise replace with a char * to name of search routine
711 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
713 if (num_search_msgs > 0) {
717 orig_num_msgs = num_msgs;
719 for (i=0; i<orig_num_msgs; ++i) {
720 for (j=0; j<num_search_msgs; ++j) {
721 if (msglist[i] == search_msgs[j]) {
722 msglist[num_msgs++] = msglist[i];
728 num_msgs = 0; /* No messages qualify */
730 if (search_msgs != NULL) free(search_msgs);
732 /* Now that we've purged messages which don't contain the search
733 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
740 * Now iterate through the message list, according to the
741 * criteria supplied by the caller.
744 for (a = 0; a < num_msgs; ++a) {
745 thismsg = msglist[a];
746 if (mode == MSGS_ALL) {
750 is_seen = is_msg_in_sequence_set(
751 vbuf.v_seen, thismsg);
752 if (is_seen) lastold = thismsg;
758 || ((mode == MSGS_OLD) && (is_seen))
759 || ((mode == MSGS_NEW) && (!is_seen))
760 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
761 || ((mode == MSGS_FIRST) && (a < ref))
762 || ((mode == MSGS_GT) && (thismsg > ref))
763 || ((mode == MSGS_LT) && (thismsg < ref))
764 || ((mode == MSGS_EQ) && (thismsg == ref))
767 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
769 CallBack(lastold, userdata);
773 if (CallBack) CallBack(thismsg, userdata);
777 cdb_free(cdbfr); /* Clean up */
778 if (need_to_free_re) regfree(&re);
779 return num_processed;
785 * cmd_msgs() - get list of message #'s in this room
786 * implements the MSGS server command using CtdlForEachMessage()
788 void cmd_msgs(char *cmdbuf)
797 int with_template = 0;
798 struct CtdlMessage *template = NULL;
799 char search_string[1024];
800 ForEachMsgCallback CallBack;
802 extract_token(which, cmdbuf, 0, '|', sizeof which);
803 cm_ref = extract_int(cmdbuf, 1);
804 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
805 with_template = extract_int(cmdbuf, 2);
806 switch (extract_int(cmdbuf, 3))
810 CallBack = simple_listing;
813 CallBack = headers_listing;
816 CallBack = headers_euid;
821 if (!strncasecmp(which, "OLD", 3))
823 else if (!strncasecmp(which, "NEW", 3))
825 else if (!strncasecmp(which, "FIRST", 5))
827 else if (!strncasecmp(which, "LAST", 4))
829 else if (!strncasecmp(which, "GT", 2))
831 else if (!strncasecmp(which, "LT", 2))
833 else if (!strncasecmp(which, "SEARCH", 6))
838 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
839 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
843 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
844 cprintf("%d Full text index is not enabled on this server.\n",
845 ERROR + CMD_NOT_SUPPORTED);
851 cprintf("%d Send template then receive message list\n",
853 template = (struct CtdlMessage *)
854 malloc(sizeof(struct CtdlMessage));
855 memset(template, 0, sizeof(struct CtdlMessage));
856 template->cm_magic = CTDLMESSAGE_MAGIC;
857 template->cm_anon_type = MES_NORMAL;
859 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
860 extract_token(tfield, buf, 0, '|', sizeof tfield);
861 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
862 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
863 if (!strcasecmp(tfield, msgkeys[i])) {
864 template->cm_fields[i] =
872 cprintf("%d \n", LISTING_FOLLOWS);
875 CtdlForEachMessage(mode,
876 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
877 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
882 if (template != NULL) CtdlFreeMessage(template);
890 * help_subst() - support routine for help file viewer
892 void help_subst(char *strbuf, char *source, char *dest)
897 while (p = pattern2(strbuf, source), (p >= 0)) {
898 strcpy(workbuf, &strbuf[p + strlen(source)]);
899 strcpy(&strbuf[p], dest);
900 strcat(strbuf, workbuf);
905 void do_help_subst(char *buffer)
909 help_subst(buffer, "^nodename", config.c_nodename);
910 help_subst(buffer, "^humannode", config.c_humannode);
911 help_subst(buffer, "^fqdn", config.c_fqdn);
912 help_subst(buffer, "^username", CC->user.fullname);
913 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
914 help_subst(buffer, "^usernum", buf2);
915 help_subst(buffer, "^sysadm", config.c_sysadm);
916 help_subst(buffer, "^variantname", CITADEL);
917 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
918 help_subst(buffer, "^maxsessions", buf2);
919 help_subst(buffer, "^bbsdir", ctdl_message_dir);
925 * memfmout() - Citadel text formatter and paginator.
926 * Although the original purpose of this routine was to format
927 * text to the reader's screen width, all we're really using it
928 * for here is to format text out to 80 columns before sending it
929 * to the client. The client software may reformat it again.
932 char *mptr, /* where are we going to get our text from? */
933 const char *nl /* string to terminate lines with */
943 while (ch=*(mptr++), ch > 0) {
946 client_write(outbuf, len);
948 client_write(nl, nllen);
951 else if (ch == '\r') {
952 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
954 else if (isspace(ch)) {
955 if (column > 72) { /* Beyond 72 columns, break on the next space */
956 client_write(outbuf, len);
958 client_write(nl, nllen);
969 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
970 client_write(outbuf, len);
972 client_write(nl, nllen);
978 client_write(outbuf, len);
980 client_write(nl, nllen);
988 * Callback function for mime parser that simply lists the part
990 void list_this_part(char *name, char *filename, char *partnum, char *disp,
991 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
992 char *cbid, void *cbuserdata)
996 ma = (struct ma_info *)cbuserdata;
997 if (ma->is_ma == 0) {
998 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1011 * Callback function for multipart prefix
1013 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1014 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1015 char *cbid, void *cbuserdata)
1019 ma = (struct ma_info *)cbuserdata;
1020 if (!strcasecmp(cbtype, "multipart/alternative")) {
1024 if (ma->is_ma == 0) {
1025 cprintf("pref=%s|%s\n", partnum, cbtype);
1030 * Callback function for multipart sufffix
1032 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1033 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1034 char *cbid, void *cbuserdata)
1038 ma = (struct ma_info *)cbuserdata;
1039 if (ma->is_ma == 0) {
1040 cprintf("suff=%s|%s\n", partnum, cbtype);
1042 if (!strcasecmp(cbtype, "multipart/alternative")) {
1049 * Callback function for mime parser that opens a section for downloading
1051 void mime_download(char *name, char *filename, char *partnum, char *disp,
1052 void *content, char *cbtype, char *cbcharset, size_t length,
1053 char *encoding, char *cbid, void *cbuserdata)
1057 /* Silently go away if there's already a download open. */
1058 if (CC->download_fp != NULL)
1062 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1063 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1065 CC->download_fp = tmpfile();
1066 if (CC->download_fp == NULL)
1069 rv = fwrite(content, length, 1, CC->download_fp);
1070 fflush(CC->download_fp);
1071 rewind(CC->download_fp);
1073 OpenCmdResult(filename, cbtype);
1080 * Callback function for mime parser that outputs a section all at once.
1081 * We can specify the desired section by part number *or* content-id.
1083 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1084 void *content, char *cbtype, char *cbcharset, size_t length,
1085 char *encoding, char *cbid, void *cbuserdata)
1087 int *found_it = (int *)cbuserdata;
1090 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1091 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1094 cprintf("%d %d|-1|%s|%s|%s\n",
1101 client_write(content, length);
1108 * Load a message from disk into memory.
1109 * This is used by CtdlOutputMsg() and other fetch functions.
1111 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1112 * using the CtdlMessageFree() function.
1114 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1116 struct cdbdata *dmsgtext;
1117 struct CtdlMessage *ret = NULL;
1121 cit_uint8_t field_header;
1123 CtdlLogPrintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1125 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1126 if (dmsgtext == NULL) {
1129 mptr = dmsgtext->ptr;
1130 upper_bound = mptr + dmsgtext->len;
1132 /* Parse the three bytes that begin EVERY message on disk.
1133 * The first is always 0xFF, the on-disk magic number.
1134 * The second is the anonymous/public type byte.
1135 * The third is the format type byte (vari, fixed, or MIME).
1139 CtdlLogPrintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1143 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1144 memset(ret, 0, sizeof(struct CtdlMessage));
1146 ret->cm_magic = CTDLMESSAGE_MAGIC;
1147 ret->cm_anon_type = *mptr++; /* Anon type byte */
1148 ret->cm_format_type = *mptr++; /* Format type byte */
1151 * The rest is zero or more arbitrary fields. Load them in.
1152 * We're done when we encounter either a zero-length field or
1153 * have just processed the 'M' (message text) field.
1156 if (mptr >= upper_bound) {
1159 field_header = *mptr++;
1160 ret->cm_fields[field_header] = strdup(mptr);
1162 while (*mptr++ != 0); /* advance to next field */
1164 } while ((mptr < upper_bound) && (field_header != 'M'));
1168 /* Always make sure there's something in the msg text field. If
1169 * it's NULL, the message text is most likely stored separately,
1170 * so go ahead and fetch that. Failing that, just set a dummy
1171 * body so other code doesn't barf.
1173 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1174 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1175 if (dmsgtext != NULL) {
1176 ret->cm_fields['M'] = dmsgtext->ptr;
1177 dmsgtext->ptr = NULL;
1181 if (ret->cm_fields['M'] == NULL) {
1182 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1185 /* Perform "before read" hooks (aborting if any return nonzero) */
1186 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1187 CtdlFreeMessage(ret);
1196 * Returns 1 if the supplied pointer points to a valid Citadel message.
1197 * If the pointer is NULL or the magic number check fails, returns 0.
1199 int is_valid_message(struct CtdlMessage *msg) {
1202 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1203 CtdlLogPrintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1211 * 'Destructor' for struct CtdlMessage
1213 void CtdlFreeMessage(struct CtdlMessage *msg)
1217 if (is_valid_message(msg) == 0)
1219 if (msg != NULL) free (msg);
1223 for (i = 0; i < 256; ++i)
1224 if (msg->cm_fields[i] != NULL) {
1225 free(msg->cm_fields[i]);
1228 msg->cm_magic = 0; /* just in case */
1234 * Pre callback function for multipart/alternative
1236 * NOTE: this differs from the standard behavior for a reason. Normally when
1237 * displaying multipart/alternative you want to show the _last_ usable
1238 * format in the message. Here we show the _first_ one, because it's
1239 * usually text/plain. Since this set of functions is designed for text
1240 * output to non-MIME-aware clients, this is the desired behavior.
1243 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1244 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1245 char *cbid, void *cbuserdata)
1249 ma = (struct ma_info *)cbuserdata;
1250 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1251 if (!strcasecmp(cbtype, "multipart/alternative")) {
1255 if (!strcasecmp(cbtype, "message/rfc822")) {
1261 * Post callback function for multipart/alternative
1263 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1264 void *content, char *cbtype, char *cbcharset, size_t length,
1265 char *encoding, char *cbid, void *cbuserdata)
1269 ma = (struct ma_info *)cbuserdata;
1270 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1271 if (!strcasecmp(cbtype, "multipart/alternative")) {
1275 if (!strcasecmp(cbtype, "message/rfc822")) {
1281 * Inline callback function for mime parser that wants to display text
1283 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1284 void *content, char *cbtype, char *cbcharset, size_t length,
1285 char *encoding, char *cbid, void *cbuserdata)
1292 ma = (struct ma_info *)cbuserdata;
1294 CtdlLogPrintf(CTDL_DEBUG,
1295 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1296 partnum, filename, cbtype, (long)length);
1299 * If we're in the middle of a multipart/alternative scope and
1300 * we've already printed another section, skip this one.
1302 if ( (ma->is_ma) && (ma->did_print) ) {
1303 CtdlLogPrintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1308 if ( (!strcasecmp(cbtype, "text/plain"))
1309 || (IsEmptyStr(cbtype)) ) {
1312 client_write(wptr, length);
1313 if (wptr[length-1] != '\n') {
1320 if (!strcasecmp(cbtype, "text/html")) {
1321 ptr = html_to_ascii(content, length, 80, 0);
1323 client_write(ptr, wlen);
1324 if (ptr[wlen-1] != '\n') {
1331 if (ma->use_fo_hooks) {
1332 if (PerformFixedOutputHooks(cbtype, content, length)) {
1333 /* above function returns nonzero if it handled the part */
1338 if (strncasecmp(cbtype, "multipart/", 10)) {
1339 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1340 partnum, filename, cbtype, (long)length);
1346 * The client is elegant and sophisticated and wants to be choosy about
1347 * MIME content types, so figure out which multipart/alternative part
1348 * we're going to send.
1350 * We use a system of weights. When we find a part that matches one of the
1351 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1352 * and then set ma->chosen_pref to that MIME type's position in our preference
1353 * list. If we then hit another match, we only replace the first match if
1354 * the preference value is lower.
1356 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1357 void *content, char *cbtype, char *cbcharset, size_t length,
1358 char *encoding, char *cbid, void *cbuserdata)
1364 ma = (struct ma_info *)cbuserdata;
1366 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1367 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1368 // I don't know if there are any side effects! Please TEST TEST TEST
1369 //if (ma->is_ma > 0) {
1371 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1372 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1373 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1374 if (i < ma->chosen_pref) {
1375 CtdlLogPrintf(CTDL_DEBUG, "Setting chosen part: <%s>\n", partnum);
1376 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1377 ma->chosen_pref = i;
1384 * Now that we've chosen our preferred part, output it.
1386 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1387 void *content, char *cbtype, char *cbcharset, size_t length,
1388 char *encoding, char *cbid, void *cbuserdata)
1392 int add_newline = 0;
1396 ma = (struct ma_info *)cbuserdata;
1398 /* This is not the MIME part you're looking for... */
1399 if (strcasecmp(partnum, ma->chosen_part)) return;
1401 /* If the content-type of this part is in our preferred formats
1402 * list, we can simply output it verbatim.
1404 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1405 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1406 if (!strcasecmp(buf, cbtype)) {
1407 /* Yeah! Go! W00t!! */
1409 text_content = (char *)content;
1410 if (text_content[length-1] != '\n') {
1413 cprintf("Content-type: %s", cbtype);
1414 if (!IsEmptyStr(cbcharset)) {
1415 cprintf("; charset=%s", cbcharset);
1417 cprintf("\nContent-length: %d\n",
1418 (int)(length + add_newline) );
1419 if (!IsEmptyStr(encoding)) {
1420 cprintf("Content-transfer-encoding: %s\n", encoding);
1423 cprintf("Content-transfer-encoding: 7bit\n");
1425 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1427 client_write(content, length);
1428 if (add_newline) cprintf("\n");
1433 /* No translations required or possible: output as text/plain */
1434 cprintf("Content-type: text/plain\n\n");
1435 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1436 length, encoding, cbid, cbuserdata);
1441 char desired_section[64];
1448 * Callback function for
1450 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1451 void *content, char *cbtype, char *cbcharset, size_t length,
1452 char *encoding, char *cbid, void *cbuserdata)
1454 struct encapmsg *encap;
1456 encap = (struct encapmsg *)cbuserdata;
1458 /* Only proceed if this is the desired section... */
1459 if (!strcasecmp(encap->desired_section, partnum)) {
1460 encap->msglen = length;
1461 encap->msg = malloc(length + 2);
1462 memcpy(encap->msg, content, length);
1473 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1474 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1475 return(om_not_logged_in);
1482 * Get a message off disk. (returns om_* values found in msgbase.h)
1485 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1486 int mode, /* how would you like that message? */
1487 int headers_only, /* eschew the message body? */
1488 int do_proto, /* do Citadel protocol responses? */
1489 int crlf, /* Use CRLF newlines instead of LF? */
1490 char *section, /* NULL or a message/rfc822 section */
1491 int flags /* various flags; see msgbase.h */
1493 struct CtdlMessage *TheMessage = NULL;
1494 int retcode = om_no_such_msg;
1495 struct encapmsg encap;
1498 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1500 (section ? section : "<>")
1503 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1506 if (r == om_not_logged_in) {
1507 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1510 cprintf("%d An unknown error has occurred.\n", ERROR);
1516 /* FIXME: check message id against msglist for this room */
1519 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1520 * request that we don't even bother loading the body into memory.
1522 if (headers_only == HEADERS_FAST) {
1523 TheMessage = CtdlFetchMessage(msg_num, 0);
1526 TheMessage = CtdlFetchMessage(msg_num, 1);
1529 if (TheMessage == NULL) {
1530 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1531 ERROR + MESSAGE_NOT_FOUND, msg_num);
1532 return(om_no_such_msg);
1535 /* Here is the weird form of this command, to process only an
1536 * encapsulated message/rfc822 section.
1538 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1539 memset(&encap, 0, sizeof encap);
1540 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1541 mime_parser(TheMessage->cm_fields['M'],
1543 *extract_encapsulated_message,
1544 NULL, NULL, (void *)&encap, 0
1546 CtdlFreeMessage(TheMessage);
1550 encap.msg[encap.msglen] = 0;
1551 TheMessage = convert_internet_message(encap.msg);
1552 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1554 /* Now we let it fall through to the bottom of this
1555 * function, because TheMessage now contains the
1556 * encapsulated message instead of the top-level
1557 * message. Isn't that neat?
1562 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1563 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1564 retcode = om_no_such_msg;
1569 /* Ok, output the message now */
1570 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1571 CtdlFreeMessage(TheMessage);
1577 char *qp_encode_email_addrs(char *source)
1579 char *user, *node, *name;
1580 const char headerStr[] = "=?UTF-8?Q?";
1584 int need_to_encode = 0;
1590 long nAddrPtrMax = 50;
1595 if (source == NULL) return source;
1596 if (IsEmptyStr(source)) return source;
1598 CtdlLogPrintf(CTDL_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1600 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1601 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1602 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1605 while (!IsEmptyStr (&source[i])) {
1606 if (nColons >= nAddrPtrMax){
1609 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1610 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1611 free (AddrPtr), AddrPtr = ptr;
1613 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1614 memset(&ptr[nAddrPtrMax], 0,
1615 sizeof (long) * nAddrPtrMax);
1617 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1618 free (AddrUtf8), AddrUtf8 = ptr;
1621 if (((unsigned char) source[i] < 32) ||
1622 ((unsigned char) source[i] > 126)) {
1624 AddrUtf8[nColons] = 1;
1626 if (source[i] == '"')
1627 InQuotes = !InQuotes;
1628 if (!InQuotes && source[i] == ',') {
1629 AddrPtr[nColons] = i;
1634 if (need_to_encode == 0) {
1641 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1642 Encoded = (char*) malloc (EncodedMaxLen);
1644 for (i = 0; i < nColons; i++)
1645 source[AddrPtr[i]++] = '\0';
1646 /* TODO: if libidn, this might get larger*/
1647 user = malloc(SourceLen + 1);
1648 node = malloc(SourceLen + 1);
1649 name = malloc(SourceLen + 1);
1653 for (i = 0; i < nColons && nPtr != NULL; i++) {
1654 nmax = EncodedMaxLen - (nPtr - Encoded);
1656 process_rfc822_addr(&source[AddrPtr[i]],
1660 /* TODO: libIDN here ! */
1661 if (IsEmptyStr(name)) {
1662 n = snprintf(nPtr, nmax,
1663 (i==0)?"%s@%s" : ",%s@%s",
1667 EncodedName = rfc2047encode(name, strlen(name));
1668 n = snprintf(nPtr, nmax,
1669 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1670 EncodedName, user, node);
1675 n = snprintf(nPtr, nmax,
1676 (i==0)?"%s" : ",%s",
1677 &source[AddrPtr[i]]);
1683 ptr = (char*) malloc(EncodedMaxLen * 2);
1684 memcpy(ptr, Encoded, EncodedMaxLen);
1685 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1686 free(Encoded), Encoded = ptr;
1688 i--; /* do it once more with properly lengthened buffer */
1691 for (i = 0; i < nColons; i++)
1692 source[--AddrPtr[i]] = ',';
1703 /* If the last item in a list of recipients was truncated to a partial address,
1704 * remove it completely in order to avoid choking libSieve
1706 void sanitize_truncated_recipient(char *str)
1709 if (num_tokens(str, ',') < 2) return;
1711 int len = strlen(str);
1712 if (len < 900) return;
1713 if (len > 998) str[998] = 0;
1715 char *cptr = strrchr(str, ',');
1718 char *lptr = strchr(cptr, '<');
1719 char *rptr = strchr(cptr, '>');
1721 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1727 void OutputCtdlMsgHeaders(
1728 struct CtdlMessage *TheMessage,
1729 int do_proto) /* do Citadel protocol responses? */
1735 char display_name[256];
1737 /* begin header processing loop for Citadel message format */
1738 safestrncpy(display_name, "<unknown>", sizeof display_name);
1739 if (TheMessage->cm_fields['A']) {
1740 strcpy(buf, TheMessage->cm_fields['A']);
1741 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1742 safestrncpy(display_name, "****", sizeof display_name);
1744 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1745 safestrncpy(display_name, "anonymous", sizeof display_name);
1748 safestrncpy(display_name, buf, sizeof display_name);
1750 if ((is_room_aide())
1751 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1752 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1753 size_t tmp = strlen(display_name);
1754 snprintf(&display_name[tmp],
1755 sizeof display_name - tmp,
1760 /* Don't show Internet address for users on the
1761 * local Citadel network.
1764 if (TheMessage->cm_fields['N'] != NULL)
1765 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1766 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1770 /* Now spew the header fields in the order we like them. */
1771 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1772 for (i=0; i<n; ++i) {
1773 k = (int) allkeys[i];
1775 if ( (TheMessage->cm_fields[k] != NULL)
1776 && (msgkeys[k] != NULL) ) {
1777 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1778 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1781 if (do_proto) cprintf("%s=%s\n",
1785 else if ((k == 'F') && (suppress_f)) {
1788 /* Masquerade display name if needed */
1790 if (do_proto) cprintf("%s=%s\n",
1792 TheMessage->cm_fields[k]
1801 void OutputRFC822MsgHeaders(
1802 struct CtdlMessage *TheMessage,
1803 int flags, /* should the bessage be exported clean */
1805 char *mid, long sizeof_mid,
1806 char *suser, long sizeof_suser,
1807 char *luser, long sizeof_luser,
1808 char *fuser, long sizeof_fuser,
1809 char *snode, long sizeof_snode)
1811 char datestamp[100];
1812 int subject_found = 0;
1818 for (i = 0; i < 256; ++i) {
1819 if (TheMessage->cm_fields[i]) {
1820 mptr = mpptr = TheMessage->cm_fields[i];
1823 safestrncpy(luser, mptr, sizeof_luser);
1824 safestrncpy(suser, mptr, sizeof_suser);
1826 else if (i == 'Y') {
1827 if ((flags & QP_EADDR) != 0) {
1828 mptr = qp_encode_email_addrs(mptr);
1830 sanitize_truncated_recipient(mptr);
1831 cprintf("CC: %s%s", mptr, nl);
1833 else if (i == 'P') {
1834 cprintf("Return-Path: %s%s", mptr, nl);
1836 else if (i == 'L') {
1837 cprintf("List-ID: %s%s", mptr, nl);
1839 else if (i == 'V') {
1840 if ((flags & QP_EADDR) != 0)
1841 mptr = qp_encode_email_addrs(mptr);
1842 cprintf("Envelope-To: %s%s", mptr, nl);
1844 else if (i == 'U') {
1845 cprintf("Subject: %s%s", mptr, nl);
1849 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1851 safestrncpy(fuser, mptr, sizeof_fuser);
1852 /* else if (i == 'O')
1853 cprintf("X-Citadel-Room: %s%s",
1856 safestrncpy(snode, mptr, sizeof_snode);
1859 if (haschar(mptr, '@') == 0)
1861 sanitize_truncated_recipient(mptr);
1862 cprintf("To: %s@%s", mptr, config.c_fqdn);
1867 if ((flags & QP_EADDR) != 0) {
1868 mptr = qp_encode_email_addrs(mptr);
1870 sanitize_truncated_recipient(mptr);
1871 cprintf("To: %s", mptr);
1875 else if (i == 'T') {
1876 datestring(datestamp, sizeof datestamp,
1877 atol(mptr), DATESTRING_RFC822);
1878 cprintf("Date: %s%s", datestamp, nl);
1880 else if (i == 'W') {
1881 cprintf("References: ");
1882 k = num_tokens(mptr, '|');
1883 for (j=0; j<k; ++j) {
1884 extract_token(buf, mptr, j, '|', sizeof buf);
1885 cprintf("<%s>", buf);
1898 if (subject_found == 0) {
1899 cprintf("Subject: (no subject)%s", nl);
1904 void Dump_RFC822HeadersBody(
1905 struct CtdlMessage *TheMessage,
1906 int headers_only, /* eschew the message body? */
1907 int flags, /* should the bessage be exported clean? */
1911 cit_uint8_t prev_ch;
1913 const char *StartOfText = StrBufNOTNULL;
1916 int nllen = strlen(nl);
1919 mptr = TheMessage->cm_fields['M'];
1923 while (*mptr != '\0') {
1924 if (*mptr == '\r') {
1931 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
1933 eoh = *(mptr+1) == '\n';
1937 StartOfText = strchr(StartOfText, '\n');
1938 StartOfText = strchr(StartOfText, '\n');
1941 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
1942 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
1943 ((headers_only != HEADERS_NONE) &&
1944 (headers_only != HEADERS_ONLY))
1946 if (*mptr == '\n') {
1947 memcpy(&outbuf[outlen], nl, nllen);
1949 outbuf[outlen] = '\0';
1952 outbuf[outlen++] = *mptr;
1956 if (flags & ESC_DOT)
1958 if ((prev_ch == '\n') &&
1960 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
1962 outbuf[outlen++] = '.';
1967 if (outlen > 1000) {
1968 client_write(outbuf, outlen);
1973 client_write(outbuf, outlen);
1980 /* If the format type on disk is 1 (fixed-format), then we want
1981 * everything to be output completely literally ... regardless of
1982 * what message transfer format is in use.
1984 void DumpFormatFixed(
1985 struct CtdlMessage *TheMessage,
1986 int mode, /* how would you like that message? */
1993 int nllen = strlen (nl);
1996 mptr = TheMessage->cm_fields['M'];
1998 if (mode == MT_MIME) {
1999 cprintf("Content-type: text/plain\n\n");
2003 while (ch = *mptr++, ch > 0) {
2007 if ((buflen > 250) && (!xlline)){
2011 while ((buflen > 0) &&
2012 (!isspace(buf[buflen])))
2018 mptr -= tbuflen - buflen;
2023 /* if we reach the outer bounds of our buffer,
2024 abort without respect what whe purge. */
2027 (buflen > SIZ - nllen - 2)))
2031 memcpy (&buf[buflen], nl, nllen);
2035 client_write(buf, buflen);
2045 if (!IsEmptyStr(buf))
2046 cprintf("%s%s", buf, nl);
2050 * Get a message off disk. (returns om_* values found in msgbase.h)
2052 int CtdlOutputPreLoadedMsg(
2053 struct CtdlMessage *TheMessage,
2054 int mode, /* how would you like that message? */
2055 int headers_only, /* eschew the message body? */
2056 int do_proto, /* do Citadel protocol responses? */
2057 int crlf, /* Use CRLF newlines instead of LF? */
2058 int flags /* should the bessage be exported clean? */
2062 const char *nl; /* newline string */
2065 /* Buffers needed for RFC822 translation. These are all filled
2066 * using functions that are bounds-checked, and therefore we can
2067 * make them substantially smaller than SIZ.
2075 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2076 ((TheMessage == NULL) ? "NULL" : "not null"),
2077 mode, headers_only, do_proto, crlf);
2079 strcpy(mid, "unknown");
2080 nl = (crlf ? "\r\n" : "\n");
2082 if (!is_valid_message(TheMessage)) {
2083 CtdlLogPrintf(CTDL_ERR,
2084 "ERROR: invalid preloaded message for output\n");
2086 return(om_no_such_msg);
2089 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2090 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2092 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2093 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2096 /* Are we downloading a MIME component? */
2097 if (mode == MT_DOWNLOAD) {
2098 if (TheMessage->cm_format_type != FMT_RFC822) {
2100 cprintf("%d This is not a MIME message.\n",
2101 ERROR + ILLEGAL_VALUE);
2102 } else if (CC->download_fp != NULL) {
2103 if (do_proto) cprintf(
2104 "%d You already have a download open.\n",
2105 ERROR + RESOURCE_BUSY);
2107 /* Parse the message text component */
2108 mptr = TheMessage->cm_fields['M'];
2109 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2110 /* If there's no file open by this time, the requested
2111 * section wasn't found, so print an error
2113 if (CC->download_fp == NULL) {
2114 if (do_proto) cprintf(
2115 "%d Section %s not found.\n",
2116 ERROR + FILE_NOT_FOUND,
2117 CC->download_desired_section);
2120 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2123 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2124 * in a single server operation instead of opening a download file.
2126 if (mode == MT_SPEW_SECTION) {
2127 if (TheMessage->cm_format_type != FMT_RFC822) {
2129 cprintf("%d This is not a MIME message.\n",
2130 ERROR + ILLEGAL_VALUE);
2132 /* Parse the message text component */
2135 mptr = TheMessage->cm_fields['M'];
2136 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2137 /* If section wasn't found, print an error
2140 if (do_proto) cprintf(
2141 "%d Section %s not found.\n",
2142 ERROR + FILE_NOT_FOUND,
2143 CC->download_desired_section);
2146 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2149 /* now for the user-mode message reading loops */
2150 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2152 /* Does the caller want to skip the headers? */
2153 if (headers_only == HEADERS_NONE) goto START_TEXT;
2155 /* Tell the client which format type we're using. */
2156 if ( (mode == MT_CITADEL) && (do_proto) ) {
2157 cprintf("type=%d\n", TheMessage->cm_format_type);
2160 /* nhdr=yes means that we're only displaying headers, no body */
2161 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2162 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2165 cprintf("nhdr=yes\n");
2168 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2169 OutputCtdlMsgHeaders(TheMessage, do_proto);
2172 /* begin header processing loop for RFC822 transfer format */
2176 strcpy(snode, NODENAME);
2177 if (mode == MT_RFC822)
2178 OutputRFC822MsgHeaders(
2183 suser, sizeof(suser),
2184 luser, sizeof(luser),
2185 fuser, sizeof(fuser),
2186 snode, sizeof(snode)
2190 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2191 suser[i] = tolower(suser[i]);
2192 if (!isalnum(suser[i])) suser[i]='_';
2195 if (mode == MT_RFC822) {
2196 if (!strcasecmp(snode, NODENAME)) {
2197 safestrncpy(snode, FQDN, sizeof snode);
2200 /* Construct a fun message id */
2201 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2202 if (strchr(mid, '@')==NULL) {
2203 cprintf("@%s", snode);
2207 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2208 cprintf("From: \"----\" <x@x.org>%s", nl);
2210 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2211 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2213 else if (!IsEmptyStr(fuser)) {
2214 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2217 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2220 /* Blank line signifying RFC822 end-of-headers */
2221 if (TheMessage->cm_format_type != FMT_RFC822) {
2226 /* end header processing loop ... at this point, we're in the text */
2228 if (headers_only == HEADERS_FAST) goto DONE;
2230 /* Tell the client about the MIME parts in this message */
2231 if (TheMessage->cm_format_type == FMT_RFC822) {
2232 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2233 mptr = TheMessage->cm_fields['M'];
2234 memset(&ma, 0, sizeof(struct ma_info));
2235 mime_parser(mptr, NULL,
2236 (do_proto ? *list_this_part : NULL),
2237 (do_proto ? *list_this_pref : NULL),
2238 (do_proto ? *list_this_suff : NULL),
2241 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2242 Dump_RFC822HeadersBody(
2251 if (headers_only == HEADERS_ONLY) {
2255 /* signify start of msg text */
2256 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2257 if (do_proto) cprintf("text\n");
2260 if (TheMessage->cm_format_type == FMT_FIXED)
2263 mode, /* how would you like that message? */
2266 /* If the message on disk is format 0 (Citadel vari-format), we
2267 * output using the formatter at 80 columns. This is the final output
2268 * form if the transfer format is RFC822, but if the transfer format
2269 * is Citadel proprietary, it'll still work, because the indentation
2270 * for new paragraphs is correct and the client will reformat the
2271 * message to the reader's screen width.
2273 if (TheMessage->cm_format_type == FMT_CITADEL) {
2274 mptr = TheMessage->cm_fields['M'];
2276 if (mode == MT_MIME) {
2277 cprintf("Content-type: text/x-citadel-variformat\n\n");
2282 /* If the message on disk is format 4 (MIME), we've gotta hand it
2283 * off to the MIME parser. The client has already been told that
2284 * this message is format 1 (fixed format), so the callback function
2285 * we use will display those parts as-is.
2287 if (TheMessage->cm_format_type == FMT_RFC822) {
2288 memset(&ma, 0, sizeof(struct ma_info));
2290 if (mode == MT_MIME) {
2291 ma.use_fo_hooks = 0;
2292 strcpy(ma.chosen_part, "1");
2293 ma.chosen_pref = 9999;
2294 mime_parser(mptr, NULL,
2295 *choose_preferred, *fixed_output_pre,
2296 *fixed_output_post, (void *)&ma, 0);
2297 mime_parser(mptr, NULL,
2298 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2301 ma.use_fo_hooks = 1;
2302 mime_parser(mptr, NULL,
2303 *fixed_output, *fixed_output_pre,
2304 *fixed_output_post, (void *)&ma, 0);
2309 DONE: /* now we're done */
2310 if (do_proto) cprintf("000\n");
2316 * display a message (mode 0 - Citadel proprietary)
2318 void cmd_msg0(char *cmdbuf)
2321 int headers_only = HEADERS_ALL;
2323 msgid = extract_long(cmdbuf, 0);
2324 headers_only = extract_int(cmdbuf, 1);
2326 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2332 * display a message (mode 2 - RFC822)
2334 void cmd_msg2(char *cmdbuf)
2337 int headers_only = HEADERS_ALL;
2339 msgid = extract_long(cmdbuf, 0);
2340 headers_only = extract_int(cmdbuf, 1);
2342 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2348 * display a message (mode 3 - IGnet raw format - internal programs only)
2350 void cmd_msg3(char *cmdbuf)
2353 struct CtdlMessage *msg = NULL;
2356 if (CC->internal_pgm == 0) {
2357 cprintf("%d This command is for internal programs only.\n",
2358 ERROR + HIGHER_ACCESS_REQUIRED);
2362 msgnum = extract_long(cmdbuf, 0);
2363 msg = CtdlFetchMessage(msgnum, 1);
2365 cprintf("%d Message %ld not found.\n",
2366 ERROR + MESSAGE_NOT_FOUND, msgnum);
2370 serialize_message(&smr, msg);
2371 CtdlFreeMessage(msg);
2374 cprintf("%d Unable to serialize message\n",
2375 ERROR + INTERNAL_ERROR);
2379 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2380 client_write((char *)smr.ser, (int)smr.len);
2387 * Display a message using MIME content types
2389 void cmd_msg4(char *cmdbuf)
2394 msgid = extract_long(cmdbuf, 0);
2395 extract_token(section, cmdbuf, 1, '|', sizeof section);
2396 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2402 * Client tells us its preferred message format(s)
2404 void cmd_msgp(char *cmdbuf)
2406 if (!strcasecmp(cmdbuf, "dont_decode")) {
2407 CC->msg4_dont_decode = 1;
2408 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2411 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2412 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2418 * Open a component of a MIME message as a download file
2420 void cmd_opna(char *cmdbuf)
2423 char desired_section[128];
2425 msgid = extract_long(cmdbuf, 0);
2426 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2427 safestrncpy(CC->download_desired_section, desired_section,
2428 sizeof CC->download_desired_section);
2429 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2434 * Open a component of a MIME message and transmit it all at once
2436 void cmd_dlat(char *cmdbuf)
2439 char desired_section[128];
2441 msgid = extract_long(cmdbuf, 0);
2442 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2443 safestrncpy(CC->download_desired_section, desired_section,
2444 sizeof CC->download_desired_section);
2445 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2450 * Save one or more message pointers into a specified room
2451 * (Returns 0 for success, nonzero for failure)
2452 * roomname may be NULL to use the current room
2454 * Note that the 'supplied_msg' field may be set to NULL, in which case
2455 * the message will be fetched from disk, by number, if we need to perform
2456 * replication checks. This adds an additional database read, so if the
2457 * caller already has the message in memory then it should be supplied. (Obviously
2458 * this mode of operation only works if we're saving a single message.)
2460 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2461 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2464 char hold_rm[ROOMNAMELEN];
2465 struct cdbdata *cdbfr;
2468 long highest_msg = 0L;
2471 struct CtdlMessage *msg = NULL;
2473 long *msgs_to_be_merged = NULL;
2474 int num_msgs_to_be_merged = 0;
2476 CtdlLogPrintf(CTDL_DEBUG,
2477 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2478 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2481 strcpy(hold_rm, CC->room.QRname);
2484 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2485 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2486 if (num_newmsgs > 1) supplied_msg = NULL;
2488 /* Now the regular stuff */
2489 if (CtdlGetRoomLock(&CC->room,
2490 ((roomname != NULL) ? roomname : CC->room.QRname) )
2492 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2493 return(ERROR + ROOM_NOT_FOUND);
2497 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2498 num_msgs_to_be_merged = 0;
2501 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2502 if (cdbfr == NULL) {
2506 msglist = (long *) cdbfr->ptr;
2507 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2508 num_msgs = cdbfr->len / sizeof(long);
2513 /* Create a list of msgid's which were supplied by the caller, but do
2514 * not already exist in the target room. It is absolutely taboo to
2515 * have more than one reference to the same message in a room.
2517 for (i=0; i<num_newmsgs; ++i) {
2519 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2520 if (msglist[j] == newmsgidlist[i]) {
2525 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2529 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2532 * Now merge the new messages
2534 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2535 if (msglist == NULL) {
2536 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2538 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2539 num_msgs += num_msgs_to_be_merged;
2541 /* Sort the message list, so all the msgid's are in order */
2542 num_msgs = sort_msglist(msglist, num_msgs);
2544 /* Determine the highest message number */
2545 highest_msg = msglist[num_msgs - 1];
2547 /* Write it back to disk. */
2548 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2549 msglist, (int)(num_msgs * sizeof(long)));
2551 /* Free up the memory we used. */
2554 /* Update the highest-message pointer and unlock the room. */
2555 CC->room.QRhighest = highest_msg;
2556 CtdlPutRoomLock(&CC->room);
2558 /* Perform replication checks if necessary */
2559 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2560 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2562 for (i=0; i<num_msgs_to_be_merged; ++i) {
2563 msgid = msgs_to_be_merged[i];
2565 if (supplied_msg != NULL) {
2569 msg = CtdlFetchMessage(msgid, 0);
2573 ReplicationChecks(msg);
2575 /* If the message has an Exclusive ID, index that... */
2576 if (msg->cm_fields['E'] != NULL) {
2577 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2580 /* Free up the memory we may have allocated */
2581 if (msg != supplied_msg) {
2582 CtdlFreeMessage(msg);
2590 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2593 /* Submit this room for processing by hooks */
2594 PerformRoomHooks(&CC->room);
2596 /* Go back to the room we were in before we wandered here... */
2597 CtdlGetRoom(&CC->room, hold_rm);
2599 /* Bump the reference count for all messages which were merged */
2600 if (!suppress_refcount_adj) {
2601 for (i=0; i<num_msgs_to_be_merged; ++i) {
2602 AdjRefCount(msgs_to_be_merged[i], +1);
2606 /* Free up memory... */
2607 if (msgs_to_be_merged != NULL) {
2608 free(msgs_to_be_merged);
2611 /* Return success. */
2617 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2620 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2621 int do_repl_check, struct CtdlMessage *supplied_msg)
2623 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2630 * Message base operation to save a new message to the message store
2631 * (returns new message number)
2633 * This is the back end for CtdlSubmitMsg() and should not be directly
2634 * called by server-side modules.
2637 long send_message(struct CtdlMessage *msg) {
2645 /* Get a new message number */
2646 newmsgid = get_new_message_number();
2647 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2649 /* Generate an ID if we don't have one already */
2650 if (msg->cm_fields['I']==NULL) {
2651 msg->cm_fields['I'] = strdup(msgidbuf);
2654 /* If the message is big, set its body aside for storage elsewhere */
2655 if (msg->cm_fields['M'] != NULL) {
2656 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2658 holdM = msg->cm_fields['M'];
2659 msg->cm_fields['M'] = NULL;
2663 /* Serialize our data structure for storage in the database */
2664 serialize_message(&smr, msg);
2667 msg->cm_fields['M'] = holdM;
2671 cprintf("%d Unable to serialize message\n",
2672 ERROR + INTERNAL_ERROR);
2676 /* Write our little bundle of joy into the message base */
2677 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2678 smr.ser, smr.len) < 0) {
2679 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2683 cdb_store(CDB_BIGMSGS,
2693 /* Free the memory we used for the serialized message */
2696 /* Return the *local* message ID to the caller
2697 * (even if we're storing an incoming network message)
2705 * Serialize a struct CtdlMessage into the format used on disk and network.
2707 * This function loads up a "struct ser_ret" (defined in server.h) which
2708 * contains the length of the serialized message and a pointer to the
2709 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2711 void serialize_message(struct ser_ret *ret, /* return values */
2712 struct CtdlMessage *msg) /* unserialized msg */
2714 size_t wlen, fieldlen;
2716 static char *forder = FORDER;
2719 * Check for valid message format
2721 if (is_valid_message(msg) == 0) {
2722 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2729 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2730 ret->len = ret->len +
2731 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2733 ret->ser = malloc(ret->len);
2734 if (ret->ser == NULL) {
2735 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2736 (long)ret->len, strerror(errno));
2743 ret->ser[1] = msg->cm_anon_type;
2744 ret->ser[2] = msg->cm_format_type;
2747 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2748 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2749 ret->ser[wlen++] = (char)forder[i];
2750 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2751 wlen = wlen + fieldlen + 1;
2753 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2754 (long)ret->len, (long)wlen);
2761 * Serialize a struct CtdlMessage into the format used on disk and network.
2763 * This function loads up a "struct ser_ret" (defined in server.h) which
2764 * contains the length of the serialized message and a pointer to the
2765 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2767 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2768 long Siz) /* how many chars ? */
2772 static char *forder = FORDER;
2776 * Check for valid message format
2778 if (is_valid_message(msg) == 0) {
2779 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2783 buf = (char*) malloc (Siz + 1);
2787 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2788 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2789 msg->cm_fields[(int)forder[i]]);
2790 client_write (buf, strlen(buf));
2799 * Check to see if any messages already exist in the current room which
2800 * carry the same Exclusive ID as this one. If any are found, delete them.
2802 void ReplicationChecks(struct CtdlMessage *msg) {
2803 long old_msgnum = (-1L);
2805 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2807 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2810 /* No exclusive id? Don't do anything. */
2811 if (msg == NULL) return;
2812 if (msg->cm_fields['E'] == NULL) return;
2813 if (IsEmptyStr(msg->cm_fields['E'])) return;
2814 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2815 msg->cm_fields['E'], CC->room.QRname);*/
2817 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2818 if (old_msgnum > 0L) {
2819 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2820 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2827 * Save a message to disk and submit it into the delivery system.
2829 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2830 struct recptypes *recps, /* recipients (if mail) */
2831 char *force, /* force a particular room? */
2832 int flags /* should the message be exported clean? */
2834 char submit_filename[128];
2835 char generated_timestamp[32];
2836 char hold_rm[ROOMNAMELEN];
2837 char actual_rm[ROOMNAMELEN];
2838 char force_room[ROOMNAMELEN];
2839 char content_type[SIZ]; /* We have to learn this */
2840 char recipient[SIZ];
2842 const char *mptr = NULL;
2843 struct ctdluser userbuf;
2845 struct MetaData smi;
2846 FILE *network_fp = NULL;
2847 static int seqnum = 1;
2848 struct CtdlMessage *imsg = NULL;
2850 size_t instr_alloc = 0;
2852 char *hold_R, *hold_D;
2853 char *collected_addresses = NULL;
2854 struct addresses_to_be_filed *aptr = NULL;
2855 StrBuf *saved_rfc822_version = NULL;
2856 int qualified_for_journaling = 0;
2857 CitContext *CCC = CC; /* CachedCitContext - performance boost */
2858 char bounce_to[1024] = "";
2862 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2863 if (is_valid_message(msg) == 0) return(-1); /* self check */
2865 /* If this message has no timestamp, we take the liberty of
2866 * giving it one, right now.
2868 if (msg->cm_fields['T'] == NULL) {
2869 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2870 msg->cm_fields['T'] = strdup(generated_timestamp);
2873 /* If this message has no path, we generate one.
2875 if (msg->cm_fields['P'] == NULL) {
2876 if (msg->cm_fields['A'] != NULL) {
2877 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2878 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2879 if (isspace(msg->cm_fields['P'][a])) {
2880 msg->cm_fields['P'][a] = ' ';
2885 msg->cm_fields['P'] = strdup("unknown");
2889 if (force == NULL) {
2890 strcpy(force_room, "");
2893 strcpy(force_room, force);
2896 /* Learn about what's inside, because it's what's inside that counts */
2897 if (msg->cm_fields['M'] == NULL) {
2898 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2902 switch (msg->cm_format_type) {
2904 strcpy(content_type, "text/x-citadel-variformat");
2907 strcpy(content_type, "text/plain");
2910 strcpy(content_type, "text/plain");
2911 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2914 safestrncpy(content_type, &mptr[13], sizeof content_type);
2915 striplt(content_type);
2916 aptr = content_type;
2917 while (!IsEmptyStr(aptr)) {
2929 /* Goto the correct room */
2930 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2931 strcpy(hold_rm, CCC->room.QRname);
2932 strcpy(actual_rm, CCC->room.QRname);
2933 if (recps != NULL) {
2934 strcpy(actual_rm, SENTITEMS);
2937 /* If the user is a twit, move to the twit room for posting */
2939 if (CCC->user.axlevel == AxProbU) {
2940 strcpy(hold_rm, actual_rm);
2941 strcpy(actual_rm, config.c_twitroom);
2942 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2946 /* ...or if this message is destined for Aide> then go there. */
2947 if (!IsEmptyStr(force_room)) {
2948 strcpy(actual_rm, force_room);
2951 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2952 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2953 /* CtdlGetRoom(&CCC->room, actual_rm); */
2954 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
2958 * If this message has no O (room) field, generate one.
2960 if (msg->cm_fields['O'] == NULL) {
2961 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2964 /* Perform "before save" hooks (aborting if any return nonzero) */
2965 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2966 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2969 * If this message has an Exclusive ID, and the room is replication
2970 * checking enabled, then do replication checks.
2972 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2973 ReplicationChecks(msg);
2976 /* Save it to disk */
2977 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2978 newmsgid = send_message(msg);
2979 if (newmsgid <= 0L) return(-5);
2981 /* Write a supplemental message info record. This doesn't have to
2982 * be a critical section because nobody else knows about this message
2985 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2986 memset(&smi, 0, sizeof(struct MetaData));
2987 smi.meta_msgnum = newmsgid;
2988 smi.meta_refcount = 0;
2989 safestrncpy(smi.meta_content_type, content_type,
2990 sizeof smi.meta_content_type);
2993 * Measure how big this message will be when rendered as RFC822.
2994 * We do this for two reasons:
2995 * 1. We need the RFC822 length for the new metadata record, so the
2996 * POP and IMAP services don't have to calculate message lengths
2997 * while the user is waiting (multiplied by potentially hundreds
2998 * or thousands of messages).
2999 * 2. If journaling is enabled, we will need an RFC822 version of the
3000 * message to attach to the journalized copy.
3002 if (CCC->redirect_buffer != NULL) {
3003 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3006 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3007 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3008 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3009 saved_rfc822_version = CCC->redirect_buffer;
3010 CCC->redirect_buffer = NULL;
3014 /* Now figure out where to store the pointers */
3015 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
3017 /* If this is being done by the networker delivering a private
3018 * message, we want to BYPASS saving the sender's copy (because there
3019 * is no local sender; it would otherwise go to the Trashcan).
3021 if ((!CCC->internal_pgm) || (recps == NULL)) {
3022 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3023 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
3024 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3028 /* For internet mail, drop a copy in the outbound queue room */
3029 if ((recps != NULL) && (recps->num_internet > 0)) {
3030 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3033 /* If other rooms are specified, drop them there too. */
3034 if ((recps != NULL) && (recps->num_room > 0))
3035 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3036 extract_token(recipient, recps->recp_room, i,
3037 '|', sizeof recipient);
3038 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
3039 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3042 /* Bump this user's messages posted counter. */
3043 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
3044 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3045 CCC->user.posted = CCC->user.posted + 1;
3046 CtdlPutUserLock(&CCC->user);
3048 /* Decide where bounces need to be delivered */
3049 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3050 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3052 else if (CCC->logged_in) {
3053 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3056 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3059 /* If this is private, local mail, make a copy in the
3060 * recipient's mailbox and bump the reference count.
3062 if ((recps != NULL) && (recps->num_local > 0))
3063 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3064 extract_token(recipient, recps->recp_local, i,
3065 '|', sizeof recipient);
3066 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
3068 if (CtdlGetUser(&userbuf, recipient) == 0) {
3069 // Add a flag so the Funambol module knows its mail
3070 msg->cm_fields['W'] = strdup(recipient);
3071 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3072 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3073 CtdlBumpNewMailCounter(userbuf.usernum);
3074 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3075 /* Generate a instruction message for the Funambol notification
3076 * server, in the same style as the SMTP queue
3079 instr = malloc(instr_alloc);
3080 snprintf(instr, instr_alloc,
3081 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3083 SPOOLMIME, newmsgid, (long)time(NULL),
3087 imsg = malloc(sizeof(struct CtdlMessage));
3088 memset(imsg, 0, sizeof(struct CtdlMessage));
3089 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3090 imsg->cm_anon_type = MES_NORMAL;
3091 imsg->cm_format_type = FMT_RFC822;
3092 imsg->cm_fields['A'] = strdup("Citadel");
3093 imsg->cm_fields['J'] = strdup("do not journal");
3094 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3095 imsg->cm_fields['W'] = strdup(recipient);
3096 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3097 CtdlFreeMessage(imsg);
3101 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
3102 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3107 /* Perform "after save" hooks */
3108 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
3109 PerformMessageHooks(msg, EVT_AFTERSAVE);
3111 /* For IGnet mail, we have to save a new copy into the spooler for
3112 * each recipient, with the R and D fields set to the recipient and
3113 * destination-node. This has two ugly side effects: all other
3114 * recipients end up being unlisted in this recipient's copy of the
3115 * message, and it has to deliver multiple messages to the same
3116 * node. We'll revisit this again in a year or so when everyone has
3117 * a network spool receiver that can handle the new style messages.
3119 if ((recps != NULL) && (recps->num_ignet > 0))
3120 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3121 extract_token(recipient, recps->recp_ignet, i,
3122 '|', sizeof recipient);
3124 hold_R = msg->cm_fields['R'];
3125 hold_D = msg->cm_fields['D'];
3126 msg->cm_fields['R'] = malloc(SIZ);
3127 msg->cm_fields['D'] = malloc(128);
3128 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3129 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3131 serialize_message(&smr, msg);
3133 snprintf(submit_filename, sizeof submit_filename,
3134 "%s/netmail.%04lx.%04x.%04x",
3136 (long) getpid(), CCC->cs_pid, ++seqnum);
3137 network_fp = fopen(submit_filename, "wb+");
3138 if (network_fp != NULL) {
3139 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3145 free(msg->cm_fields['R']);
3146 free(msg->cm_fields['D']);
3147 msg->cm_fields['R'] = hold_R;
3148 msg->cm_fields['D'] = hold_D;
3151 /* Go back to the room we started from */
3152 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
3153 if (strcasecmp(hold_rm, CCC->room.QRname))
3154 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3156 /* For internet mail, generate delivery instructions.
3157 * Yes, this is recursive. Deal with it. Infinite recursion does
3158 * not happen because the delivery instructions message does not
3159 * contain a recipient.
3161 if ((recps != NULL) && (recps->num_internet > 0)) {
3162 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
3164 instr = malloc(instr_alloc);
3165 snprintf(instr, instr_alloc,
3166 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3168 SPOOLMIME, newmsgid, (long)time(NULL),
3172 if (recps->envelope_from != NULL) {
3173 tmp = strlen(instr);
3174 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3177 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3178 tmp = strlen(instr);
3179 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3180 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3181 instr_alloc = instr_alloc * 2;
3182 instr = realloc(instr, instr_alloc);
3184 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3187 imsg = malloc(sizeof(struct CtdlMessage));
3188 memset(imsg, 0, sizeof(struct CtdlMessage));
3189 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3190 imsg->cm_anon_type = MES_NORMAL;
3191 imsg->cm_format_type = FMT_RFC822;
3192 imsg->cm_fields['A'] = strdup("Citadel");
3193 imsg->cm_fields['J'] = strdup("do not journal");
3194 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3195 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3196 CtdlFreeMessage(imsg);
3200 * Any addresses to harvest for someone's address book?
3202 if ( (CCC->logged_in) && (recps != NULL) ) {
3203 collected_addresses = harvest_collected_addresses(msg);
3206 if (collected_addresses != NULL) {
3207 aptr = (struct addresses_to_be_filed *)
3208 malloc(sizeof(struct addresses_to_be_filed));
3209 CtdlMailboxName(actual_rm, sizeof actual_rm,
3210 &CCC->user, USERCONTACTSROOM);
3211 aptr->roomname = strdup(actual_rm);
3212 aptr->collected_addresses = collected_addresses;
3213 begin_critical_section(S_ATBF);
3216 end_critical_section(S_ATBF);
3220 * Determine whether this message qualifies for journaling.
3222 if (msg->cm_fields['J'] != NULL) {
3223 qualified_for_journaling = 0;
3226 if (recps == NULL) {
3227 qualified_for_journaling = config.c_journal_pubmsgs;
3229 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3230 qualified_for_journaling = config.c_journal_email;
3233 qualified_for_journaling = config.c_journal_pubmsgs;
3238 * Do we have to perform journaling? If so, hand off the saved
3239 * RFC822 version will be handed off to the journaler for background
3240 * submit. Otherwise, we have to free the memory ourselves.
3242 if (saved_rfc822_version != NULL) {
3243 if (qualified_for_journaling) {
3244 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3247 FreeStrBuf(&saved_rfc822_version);
3257 void aide_message (char *text, char *subject)
3259 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3264 * Convenience function for generating small administrative messages.
3266 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3267 int format_type, const char *subject)
3269 struct CtdlMessage *msg;
3270 struct recptypes *recp = NULL;
3272 msg = malloc(sizeof(struct CtdlMessage));
3273 memset(msg, 0, sizeof(struct CtdlMessage));
3274 msg->cm_magic = CTDLMESSAGE_MAGIC;
3275 msg->cm_anon_type = MES_NORMAL;
3276 msg->cm_format_type = format_type;
3279 msg->cm_fields['A'] = strdup(from);
3281 else if (fromaddr != NULL) {
3282 msg->cm_fields['A'] = strdup(fromaddr);
3283 if (strchr(msg->cm_fields['A'], '@')) {
3284 *strchr(msg->cm_fields['A'], '@') = 0;
3288 msg->cm_fields['A'] = strdup("Citadel");
3291 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3292 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3293 msg->cm_fields['N'] = strdup(NODENAME);
3295 msg->cm_fields['R'] = strdup(to);
3296 recp = validate_recipients(to, NULL, 0);
3298 if (subject != NULL) {
3299 msg->cm_fields['U'] = strdup(subject);
3301 msg->cm_fields['M'] = strdup(text);
3303 CtdlSubmitMsg(msg, recp, room, 0);
3304 CtdlFreeMessage(msg);
3305 if (recp != NULL) free_recipients(recp);
3311 * Back end function used by CtdlMakeMessage() and similar functions
3313 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3315 size_t maxlen, /* maximum message length */
3316 char *exist, /* if non-null, append to it;
3317 exist is ALWAYS freed */
3318 int crlf, /* CRLF newlines instead of LF */
3319 int *sock /* socket handle or 0 for this session's client socket */
3328 LineBuf = NewStrBufPlain(NULL, SIZ);
3329 if (exist == NULL) {
3330 Message = NewStrBufPlain(NULL, 4 * SIZ);
3333 Message = NewStrBufPlain(exist, -1);
3337 /* Do we need to change leading ".." to "." for SMTP escaping? */
3338 if ((tlen == 1) && (*terminator == '.')) {
3342 /* read in the lines of message text one by one */
3345 if ((CtdlSockGetLine(sock, LineBuf) < 0) ||
3350 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3352 if ((StrLength(LineBuf) == tlen) &&
3353 (!strcmp(ChrPtr(LineBuf), terminator)))
3356 if ( (!flushing) && (!finished) ) {
3358 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3361 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3364 /* Unescape SMTP-style input of two dots at the beginning of the line */
3366 (StrLength(LineBuf) == 2) &&
3367 (!strcmp(ChrPtr(LineBuf), "..")))
3369 StrBufCutLeft(LineBuf, 1);
3372 StrBufAppendBuf(Message, LineBuf, 0);
3375 /* if we've hit the max msg length, flush the rest */
3376 if (StrLength(Message) >= maxlen) flushing = 1;
3378 } while (!finished);
3379 FreeStrBuf(&LineBuf);
3385 * Back end function used by CtdlMakeMessage() and similar functions
3387 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3389 size_t maxlen, /* maximum message length */
3390 char *exist, /* if non-null, append to it;
3391 exist is ALWAYS freed */
3392 int crlf, /* CRLF newlines instead of LF */
3393 int *sock /* socket handle or 0 for this session's client socket */
3398 Message = CtdlReadMessageBodyBuf(terminator,
3404 if (Message == NULL)
3407 return SmashStrBuf(&Message);
3412 * Build a binary message to be saved on disk.
3413 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3414 * will become part of the message. This means you are no longer
3415 * responsible for managing that memory -- it will be freed along with
3416 * the rest of the fields when CtdlFreeMessage() is called.)
3419 struct CtdlMessage *CtdlMakeMessage(
3420 struct ctdluser *author, /* author's user structure */
3421 char *recipient, /* NULL if it's not mail */
3422 char *recp_cc, /* NULL if it's not mail */
3423 char *room, /* room where it's going */
3424 int type, /* see MES_ types in header file */
3425 int format_type, /* variformat, plain text, MIME... */
3426 char *fake_name, /* who we're masquerading as */
3427 char *my_email, /* which of my email addresses to use (empty is ok) */
3428 char *subject, /* Subject (optional) */
3429 char *supplied_euid, /* ...or NULL if this is irrelevant */
3430 char *preformatted_text, /* ...or NULL to read text from client */
3431 char *references /* Thread references */
3433 char dest_node[256];
3435 struct CtdlMessage *msg;
3437 msg = malloc(sizeof(struct CtdlMessage));
3438 memset(msg, 0, sizeof(struct CtdlMessage));
3439 msg->cm_magic = CTDLMESSAGE_MAGIC;
3440 msg->cm_anon_type = type;
3441 msg->cm_format_type = format_type;
3443 /* Don't confuse the poor folks if it's not routed mail. */
3444 strcpy(dest_node, "");
3446 if (recipient != NULL) striplt(recipient);
3447 if (recp_cc != NULL) striplt(recp_cc);
3449 /* Path or Return-Path */
3450 if (my_email == NULL) my_email = "";
3452 if (!IsEmptyStr(my_email)) {
3453 msg->cm_fields['P'] = strdup(my_email);
3456 snprintf(buf, sizeof buf, "%s", author->fullname);
3457 msg->cm_fields['P'] = strdup(buf);
3459 convert_spaces_to_underscores(msg->cm_fields['P']);
3461 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3462 msg->cm_fields['T'] = strdup(buf);
3464 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3465 msg->cm_fields['A'] = strdup(fake_name);
3468 msg->cm_fields['A'] = strdup(author->fullname);
3471 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3472 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3475 msg->cm_fields['O'] = strdup(CC->room.QRname);
3478 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3479 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3481 if ((recipient != NULL) && (recipient[0] != 0)) {
3482 msg->cm_fields['R'] = strdup(recipient);
3484 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3485 msg->cm_fields['Y'] = strdup(recp_cc);
3487 if (dest_node[0] != 0) {
3488 msg->cm_fields['D'] = strdup(dest_node);
3491 if (!IsEmptyStr(my_email)) {
3492 msg->cm_fields['F'] = strdup(my_email);
3494 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3495 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3498 if (subject != NULL) {
3501 length = strlen(subject);
3507 while ((subject[i] != '\0') &&
3508 (IsAscii = isascii(subject[i]) != 0 ))
3511 msg->cm_fields['U'] = strdup(subject);
3512 else /* ok, we've got utf8 in the string. */
3514 msg->cm_fields['U'] = rfc2047encode(subject, length);
3520 if (supplied_euid != NULL) {
3521 msg->cm_fields['E'] = strdup(supplied_euid);
3524 if (references != NULL) {
3525 if (!IsEmptyStr(references)) {
3526 msg->cm_fields['W'] = strdup(references);
3530 if (preformatted_text != NULL) {
3531 msg->cm_fields['M'] = preformatted_text;
3534 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3542 * Check to see whether we have permission to post a message in the current
3543 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3544 * returns 0 on success.
3546 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3548 const char* RemoteIdentifier,
3552 if (!(CC->logged_in) &&
3553 (PostPublic == POST_LOGGED_IN)) {
3554 snprintf(errmsgbuf, n, "Not logged in.");
3555 return (ERROR + NOT_LOGGED_IN);
3557 else if (PostPublic == CHECK_EXISTANCE) {
3558 return (0); // We're Evaling whether a recipient exists
3560 else if (!(CC->logged_in)) {
3562 if ((CC->room.QRflags & QR_READONLY)) {
3563 snprintf(errmsgbuf, n, "Not logged in.");
3564 return (ERROR + NOT_LOGGED_IN);
3566 if (CC->room.QRflags2 & QR2_MODERATED) {
3567 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3568 return (ERROR + NOT_LOGGED_IN);
3570 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3575 if (RemoteIdentifier == NULL)
3577 snprintf(errmsgbuf, n, "Need sender to permit access.");
3578 return (ERROR + USERNAME_REQUIRED);
3581 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3582 begin_critical_section(S_NETCONFIGS);
3583 if (!read_spoolcontrol_file(&sc, filename))
3585 end_critical_section(S_NETCONFIGS);
3586 snprintf(errmsgbuf, n,
3587 "This mailing list only accepts posts from subscribers.");
3588 return (ERROR + NO_SUCH_USER);
3590 end_critical_section(S_NETCONFIGS);
3591 found = is_recipient (sc, RemoteIdentifier);
3592 free_spoolcontrol_struct(&sc);
3597 snprintf(errmsgbuf, n,
3598 "This mailing list only accepts posts from subscribers.");
3599 return (ERROR + NO_SUCH_USER);
3606 if ((CC->user.axlevel < AxProbU)
3607 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3608 snprintf(errmsgbuf, n, "Need to be validated to enter "
3609 "(except in %s> to sysop)", MAILROOM);
3610 return (ERROR + HIGHER_ACCESS_REQUIRED);
3613 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3614 if (!(ra & UA_POSTALLOWED)) {
3615 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3616 return (ERROR + HIGHER_ACCESS_REQUIRED);
3619 strcpy(errmsgbuf, "Ok");
3625 * Check to see if the specified user has Internet mail permission
3626 * (returns nonzero if permission is granted)
3628 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3630 /* Do not allow twits to send Internet mail */
3631 if (who->axlevel <= AxProbU) return(0);
3633 /* Globally enabled? */
3634 if (config.c_restrict == 0) return(1);
3636 /* User flagged ok? */
3637 if (who->flags & US_INTERNET) return(2);
3639 /* Aide level access? */
3640 if (who->axlevel >= AxAideU) return(3);
3642 /* No mail for you! */
3648 * Validate recipients, count delivery types and errors, and handle aliasing
3649 * FIXME check for dupes!!!!!
3651 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3652 * were specified, or the number of addresses found invalid.
3654 * Caller needs to free the result using free_recipients()
3656 struct recptypes *validate_recipients(const char *supplied_recipients,
3657 const char *RemoteIdentifier,
3659 struct recptypes *ret;
3660 char *recipients = NULL;
3661 char this_recp[256];
3662 char this_recp_cooked[256];
3668 struct ctdluser tempUS;
3669 struct ctdlroom tempQR;
3670 struct ctdlroom tempQR2;
3676 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3677 if (ret == NULL) return(NULL);
3679 /* Set all strings to null and numeric values to zero */
3680 memset(ret, 0, sizeof(struct recptypes));
3682 if (supplied_recipients == NULL) {
3683 recipients = strdup("");
3686 recipients = strdup(supplied_recipients);
3689 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3690 * actually need, but it's healthier for the heap than doing lots of tiny
3691 * realloc() calls instead.
3694 ret->errormsg = malloc(strlen(recipients) + 1024);
3695 ret->recp_local = malloc(strlen(recipients) + 1024);
3696 ret->recp_internet = malloc(strlen(recipients) + 1024);
3697 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3698 ret->recp_room = malloc(strlen(recipients) + 1024);
3699 ret->display_recp = malloc(strlen(recipients) + 1024);
3701 ret->errormsg[0] = 0;
3702 ret->recp_local[0] = 0;
3703 ret->recp_internet[0] = 0;
3704 ret->recp_ignet[0] = 0;
3705 ret->recp_room[0] = 0;
3706 ret->display_recp[0] = 0;
3708 ret->recptypes_magic = RECPTYPES_MAGIC;
3710 /* Change all valid separator characters to commas */
3711 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3712 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3713 recipients[i] = ',';
3717 /* Now start extracting recipients... */
3719 while (!IsEmptyStr(recipients)) {
3721 for (i=0; i<=strlen(recipients); ++i) {
3722 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3723 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3724 safestrncpy(this_recp, recipients, i+1);
3726 if (recipients[i] == ',') {
3727 strcpy(recipients, &recipients[i+1]);
3730 strcpy(recipients, "");
3737 if (IsEmptyStr(this_recp))
3739 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3741 mailtype = alias(this_recp);
3742 mailtype = alias(this_recp);
3743 mailtype = alias(this_recp);
3745 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3746 if (this_recp[j]=='_') {
3747 this_recp_cooked[j] = ' ';
3750 this_recp_cooked[j] = this_recp[j];
3753 this_recp_cooked[j] = '\0';
3758 if (!strcasecmp(this_recp, "sysop")) {
3760 strcpy(this_recp, config.c_aideroom);
3761 if (!IsEmptyStr(ret->recp_room)) {
3762 strcat(ret->recp_room, "|");
3764 strcat(ret->recp_room, this_recp);
3766 else if ( (!strncasecmp(this_recp, "room_", 5))
3767 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3769 /* Save room so we can restore it later */
3773 /* Check permissions to send mail to this room */
3774 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3786 if (!IsEmptyStr(ret->recp_room)) {
3787 strcat(ret->recp_room, "|");
3789 strcat(ret->recp_room, &this_recp_cooked[5]);
3792 /* Restore room in case something needs it */
3796 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3798 strcpy(this_recp, tempUS.fullname);
3799 if (!IsEmptyStr(ret->recp_local)) {
3800 strcat(ret->recp_local, "|");
3802 strcat(ret->recp_local, this_recp);
3804 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3806 strcpy(this_recp, tempUS.fullname);
3807 if (!IsEmptyStr(ret->recp_local)) {
3808 strcat(ret->recp_local, "|");
3810 strcat(ret->recp_local, this_recp);
3818 /* Yes, you're reading this correctly: if the target
3819 * domain points back to the local system or an attached
3820 * Citadel directory, the address is invalid. That's
3821 * because if the address were valid, we would have
3822 * already translated it to a local address by now.
3824 if (IsDirectory(this_recp, 0)) {
3829 ++ret->num_internet;
3830 if (!IsEmptyStr(ret->recp_internet)) {
3831 strcat(ret->recp_internet, "|");
3833 strcat(ret->recp_internet, this_recp);
3838 if (!IsEmptyStr(ret->recp_ignet)) {
3839 strcat(ret->recp_ignet, "|");
3841 strcat(ret->recp_ignet, this_recp);
3849 if (IsEmptyStr(errmsg)) {
3850 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3853 snprintf(append, sizeof append, "%s", errmsg);
3855 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3856 if (!IsEmptyStr(ret->errormsg)) {
3857 strcat(ret->errormsg, "; ");
3859 strcat(ret->errormsg, append);
3863 if (IsEmptyStr(ret->display_recp)) {
3864 strcpy(append, this_recp);
3867 snprintf(append, sizeof append, ", %s", this_recp);
3869 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3870 strcat(ret->display_recp, append);
3875 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3876 ret->num_room + ret->num_error) == 0) {
3877 ret->num_error = (-1);
3878 strcpy(ret->errormsg, "No recipients specified.");
3881 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3882 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3883 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3884 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3885 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3886 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3894 * Destructor for struct recptypes
3896 void free_recipients(struct recptypes *valid) {
3898 if (valid == NULL) {
3902 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3903 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3907 if (valid->errormsg != NULL) free(valid->errormsg);
3908 if (valid->recp_local != NULL) free(valid->recp_local);
3909 if (valid->recp_internet != NULL) free(valid->recp_internet);
3910 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3911 if (valid->recp_room != NULL) free(valid->recp_room);
3912 if (valid->display_recp != NULL) free(valid->display_recp);
3913 if (valid->bounce_to != NULL) free(valid->bounce_to);
3914 if (valid->envelope_from != NULL) free(valid->envelope_from);
3921 * message entry - mode 0 (normal)
3923 void cmd_ent0(char *entargs)
3929 char supplied_euid[128];
3931 int format_type = 0;
3932 char newusername[256];
3933 char newuseremail[256];
3934 struct CtdlMessage *msg;
3938 struct recptypes *valid = NULL;
3939 struct recptypes *valid_to = NULL;
3940 struct recptypes *valid_cc = NULL;
3941 struct recptypes *valid_bcc = NULL;
3943 int subject_required = 0;
3948 int newuseremail_ok = 0;
3949 char references[SIZ];
3954 post = extract_int(entargs, 0);
3955 extract_token(recp, entargs, 1, '|', sizeof recp);
3956 anon_flag = extract_int(entargs, 2);
3957 format_type = extract_int(entargs, 3);
3958 extract_token(subject, entargs, 4, '|', sizeof subject);
3959 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3960 do_confirm = extract_int(entargs, 6);
3961 extract_token(cc, entargs, 7, '|', sizeof cc);
3962 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3963 switch(CC->room.QRdefaultview) {
3966 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3969 supplied_euid[0] = 0;
3972 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3973 extract_token(references, entargs, 11, '|', sizeof references);
3974 for (ptr=references; *ptr != 0; ++ptr) {
3975 if (*ptr == '!') *ptr = '|';
3978 /* first check to make sure the request is valid. */
3980 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3983 cprintf("%d %s\n", err, errmsg);
3987 /* Check some other permission type things. */
3989 if (IsEmptyStr(newusername)) {
3990 strcpy(newusername, CC->user.fullname);
3992 if ( (CC->user.axlevel < AxAideU)
3993 && (strcasecmp(newusername, CC->user.fullname))
3994 && (strcasecmp(newusername, CC->cs_inet_fn))
3996 cprintf("%d You don't have permission to author messages as '%s'.\n",
3997 ERROR + HIGHER_ACCESS_REQUIRED,
4004 if (IsEmptyStr(newuseremail)) {
4005 newuseremail_ok = 1;
4008 if (!IsEmptyStr(newuseremail)) {
4009 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4010 newuseremail_ok = 1;
4012 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4013 j = num_tokens(CC->cs_inet_other_emails, '|');
4014 for (i=0; i<j; ++i) {
4015 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4016 if (!strcasecmp(newuseremail, buf)) {
4017 newuseremail_ok = 1;
4023 if (!newuseremail_ok) {
4024 cprintf("%d You don't have permission to author messages as '%s'.\n",
4025 ERROR + HIGHER_ACCESS_REQUIRED,
4031 CC->cs_flags |= CS_POSTING;
4033 /* In mailbox rooms we have to behave a little differently --
4034 * make sure the user has specified at least one recipient. Then
4035 * validate the recipient(s). We do this for the Mail> room, as
4036 * well as any room which has the "Mailbox" view set.
4039 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4040 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4042 if (CC->user.axlevel < AxProbU) {
4043 strcpy(recp, "sysop");
4048 valid_to = validate_recipients(recp, NULL, 0);
4049 if (valid_to->num_error > 0) {
4050 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4051 free_recipients(valid_to);
4055 valid_cc = validate_recipients(cc, NULL, 0);
4056 if (valid_cc->num_error > 0) {
4057 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4058 free_recipients(valid_to);
4059 free_recipients(valid_cc);
4063 valid_bcc = validate_recipients(bcc, NULL, 0);
4064 if (valid_bcc->num_error > 0) {
4065 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4066 free_recipients(valid_to);
4067 free_recipients(valid_cc);
4068 free_recipients(valid_bcc);
4072 /* Recipient required, but none were specified */
4073 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4074 free_recipients(valid_to);
4075 free_recipients(valid_cc);
4076 free_recipients(valid_bcc);
4077 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4081 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4082 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4083 cprintf("%d You do not have permission "
4084 "to send Internet mail.\n",
4085 ERROR + HIGHER_ACCESS_REQUIRED);
4086 free_recipients(valid_to);
4087 free_recipients(valid_cc);
4088 free_recipients(valid_bcc);
4093 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)
4094 && (CC->user.axlevel < AxNetU) ) {
4095 cprintf("%d Higher access required for network mail.\n",
4096 ERROR + HIGHER_ACCESS_REQUIRED);
4097 free_recipients(valid_to);
4098 free_recipients(valid_cc);
4099 free_recipients(valid_bcc);
4103 if ((RESTRICT_INTERNET == 1)
4104 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4105 && ((CC->user.flags & US_INTERNET) == 0)
4106 && (!CC->internal_pgm)) {
4107 cprintf("%d You don't have access to Internet mail.\n",
4108 ERROR + HIGHER_ACCESS_REQUIRED);
4109 free_recipients(valid_to);
4110 free_recipients(valid_cc);
4111 free_recipients(valid_bcc);
4117 /* Is this a room which has anonymous-only or anonymous-option? */
4118 anonymous = MES_NORMAL;
4119 if (CC->room.QRflags & QR_ANONONLY) {
4120 anonymous = MES_ANONONLY;
4122 if (CC->room.QRflags & QR_ANONOPT) {
4123 if (anon_flag == 1) { /* only if the user requested it */
4124 anonymous = MES_ANONOPT;
4128 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4132 /* Recommend to the client that the use of a message subject is
4133 * strongly recommended in this room, if either the SUBJECTREQ flag
4134 * is set, or if there is one or more Internet email recipients.
4136 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4137 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4138 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4139 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4141 /* If we're only checking the validity of the request, return
4142 * success without creating the message.
4145 cprintf("%d %s|%d\n", CIT_OK,
4146 ((valid_to != NULL) ? valid_to->display_recp : ""),
4148 free_recipients(valid_to);
4149 free_recipients(valid_cc);
4150 free_recipients(valid_bcc);
4154 /* We don't need these anymore because we'll do it differently below */
4155 free_recipients(valid_to);
4156 free_recipients(valid_cc);
4157 free_recipients(valid_bcc);
4159 /* Read in the message from the client. */
4161 cprintf("%d send message\n", START_CHAT_MODE);
4163 cprintf("%d send message\n", SEND_LISTING);
4166 msg = CtdlMakeMessage(&CC->user, recp, cc,
4167 CC->room.QRname, anonymous, format_type,
4168 newusername, newuseremail, subject,
4169 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4172 /* Put together one big recipients struct containing to/cc/bcc all in
4173 * one. This is for the envelope.
4175 char *all_recps = malloc(SIZ * 3);
4176 strcpy(all_recps, recp);
4177 if (!IsEmptyStr(cc)) {
4178 if (!IsEmptyStr(all_recps)) {
4179 strcat(all_recps, ",");
4181 strcat(all_recps, cc);
4183 if (!IsEmptyStr(bcc)) {
4184 if (!IsEmptyStr(all_recps)) {
4185 strcat(all_recps, ",");
4187 strcat(all_recps, bcc);
4189 if (!IsEmptyStr(all_recps)) {
4190 valid = validate_recipients(all_recps, NULL, 0);
4198 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4201 cprintf("%ld\n", msgnum);
4203 cprintf("Message accepted.\n");
4206 cprintf("Internal error.\n");
4208 if (msg->cm_fields['E'] != NULL) {
4209 cprintf("%s\n", msg->cm_fields['E']);
4216 CtdlFreeMessage(msg);
4218 if (valid != NULL) {
4219 free_recipients(valid);
4227 * API function to delete messages which match a set of criteria
4228 * (returns the actual number of messages deleted)
4230 int CtdlDeleteMessages(char *room_name, /* which room */
4231 long *dmsgnums, /* array of msg numbers to be deleted */
4232 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4233 char *content_type /* or "" for any. regular expressions expected. */
4236 struct ctdlroom qrbuf;
4237 struct cdbdata *cdbfr;
4238 long *msglist = NULL;
4239 long *dellist = NULL;
4242 int num_deleted = 0;
4244 struct MetaData smi;
4247 int need_to_free_re = 0;
4249 if (content_type) if (!IsEmptyStr(content_type)) {
4250 regcomp(&re, content_type, 0);
4251 need_to_free_re = 1;
4253 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4254 room_name, num_dmsgnums, content_type);
4256 /* get room record, obtaining a lock... */
4257 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4258 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4260 if (need_to_free_re) regfree(&re);
4261 return (0); /* room not found */
4263 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4265 if (cdbfr != NULL) {
4266 dellist = malloc(cdbfr->len);
4267 msglist = (long *) cdbfr->ptr;
4268 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4269 num_msgs = cdbfr->len / sizeof(long);
4273 for (i = 0; i < num_msgs; ++i) {
4276 /* Set/clear a bit for each criterion */
4278 /* 0 messages in the list or a null list means that we are
4279 * interested in deleting any messages which meet the other criteria.
4281 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4282 delete_this |= 0x01;
4285 for (j=0; j<num_dmsgnums; ++j) {
4286 if (msglist[i] == dmsgnums[j]) {
4287 delete_this |= 0x01;
4292 if (IsEmptyStr(content_type)) {
4293 delete_this |= 0x02;
4295 GetMetaData(&smi, msglist[i]);
4296 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4297 delete_this |= 0x02;
4301 /* Delete message only if all bits are set */
4302 if (delete_this == 0x03) {
4303 dellist[num_deleted++] = msglist[i];
4308 num_msgs = sort_msglist(msglist, num_msgs);
4309 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4310 msglist, (int)(num_msgs * sizeof(long)));
4313 qrbuf.QRhighest = msglist[num_msgs - 1];
4315 qrbuf.QRhighest = 0;
4317 CtdlPutRoomLock(&qrbuf);
4319 /* Go through the messages we pulled out of the index, and decrement
4320 * their reference counts by 1. If this is the only room the message
4321 * was in, the reference count will reach zero and the message will
4322 * automatically be deleted from the database. We do this in a
4323 * separate pass because there might be plug-in hooks getting called,
4324 * and we don't want that happening during an S_ROOMS critical
4327 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4328 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4329 AdjRefCount(dellist[i], -1);
4332 /* Now free the memory we used, and go away. */
4333 if (msglist != NULL) free(msglist);
4334 if (dellist != NULL) free(dellist);
4335 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4336 if (need_to_free_re) regfree(&re);
4337 return (num_deleted);
4343 * Check whether the current user has permission to delete messages from
4344 * the current room (returns 1 for yes, 0 for no)
4346 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4348 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4349 if (ra & UA_DELETEALLOWED) return(1);
4357 * Delete message from current room
4359 void cmd_dele(char *args)
4368 extract_token(msgset, args, 0, '|', sizeof msgset);
4369 num_msgs = num_tokens(msgset, ',');
4371 cprintf("%d Nothing to do.\n", CIT_OK);
4375 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4376 cprintf("%d Higher access required.\n",
4377 ERROR + HIGHER_ACCESS_REQUIRED);
4382 * Build our message set to be moved/copied
4384 msgs = malloc(num_msgs * sizeof(long));
4385 for (i=0; i<num_msgs; ++i) {
4386 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4387 msgs[i] = atol(msgtok);
4390 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4394 cprintf("%d %d message%s deleted.\n", CIT_OK,
4395 num_deleted, ((num_deleted != 1) ? "s" : ""));
4397 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4405 * move or copy a message to another room
4407 void cmd_move(char *args)
4414 char targ[ROOMNAMELEN];
4415 struct ctdlroom qtemp;
4422 extract_token(msgset, args, 0, '|', sizeof msgset);
4423 num_msgs = num_tokens(msgset, ',');
4425 cprintf("%d Nothing to do.\n", CIT_OK);
4429 extract_token(targ, args, 1, '|', sizeof targ);
4430 convert_room_name_macros(targ, sizeof targ);
4431 targ[ROOMNAMELEN - 1] = 0;
4432 is_copy = extract_int(args, 2);
4434 if (CtdlGetRoom(&qtemp, targ) != 0) {
4435 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4439 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4440 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4444 CtdlGetUser(&CC->user, CC->curr_user);
4445 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4447 /* Check for permission to perform this operation.
4448 * Remember: "CC->room" is source, "qtemp" is target.
4452 /* Aides can move/copy */
4453 if (CC->user.axlevel >= AxAideU) permit = 1;
4455 /* Room aides can move/copy */
4456 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4458 /* Permit move/copy from personal rooms */
4459 if ((CC->room.QRflags & QR_MAILBOX)
4460 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4462 /* Permit only copy from public to personal room */
4464 && (!(CC->room.QRflags & QR_MAILBOX))
4465 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4467 /* Permit message removal from collaborative delete rooms */
4468 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4470 /* Users allowed to post into the target room may move into it too. */
4471 if ((CC->room.QRflags & QR_MAILBOX) &&
4472 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4474 /* User must have access to target room */
4475 if (!(ra & UA_KNOWN)) permit = 0;
4478 cprintf("%d Higher access required.\n",
4479 ERROR + HIGHER_ACCESS_REQUIRED);
4484 * Build our message set to be moved/copied
4486 msgs = malloc(num_msgs * sizeof(long));
4487 for (i=0; i<num_msgs; ++i) {
4488 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4489 msgs[i] = atol(msgtok);
4495 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4497 cprintf("%d Cannot store message(s) in %s: error %d\n",
4503 /* Now delete the message from the source room,
4504 * if this is a 'move' rather than a 'copy' operation.
4507 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4511 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4517 * GetMetaData() - Get the supplementary record for a message
4519 void GetMetaData(struct MetaData *smibuf, long msgnum)
4522 struct cdbdata *cdbsmi;
4525 memset(smibuf, 0, sizeof(struct MetaData));
4526 smibuf->meta_msgnum = msgnum;
4527 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4529 /* Use the negative of the message number for its supp record index */
4530 TheIndex = (0L - msgnum);
4532 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4533 if (cdbsmi == NULL) {
4534 return; /* record not found; go with defaults */
4536 memcpy(smibuf, cdbsmi->ptr,
4537 ((cdbsmi->len > sizeof(struct MetaData)) ?
4538 sizeof(struct MetaData) : cdbsmi->len));
4545 * PutMetaData() - (re)write supplementary record for a message
4547 void PutMetaData(struct MetaData *smibuf)
4551 /* Use the negative of the message number for the metadata db index */
4552 TheIndex = (0L - smibuf->meta_msgnum);
4554 cdb_store(CDB_MSGMAIN,
4555 &TheIndex, (int)sizeof(long),
4556 smibuf, (int)sizeof(struct MetaData));
4561 * AdjRefCount - submit an adjustment to the reference count for a message.
4562 * (These are just queued -- we actually process them later.)
4564 void AdjRefCount(long msgnum, int incr)
4566 struct arcq new_arcq;
4569 CtdlLogPrintf(CTDL_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4573 begin_critical_section(S_SUPPMSGMAIN);
4574 if (arcfp == NULL) {
4575 arcfp = fopen(file_arcq, "ab+");
4577 end_critical_section(S_SUPPMSGMAIN);
4579 /* msgnum < 0 means that we're trying to close the file */
4581 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4582 begin_critical_section(S_SUPPMSGMAIN);
4583 if (arcfp != NULL) {
4587 end_critical_section(S_SUPPMSGMAIN);
4592 * If we can't open the queue, perform the operation synchronously.
4594 if (arcfp == NULL) {
4595 TDAP_AdjRefCount(msgnum, incr);
4599 new_arcq.arcq_msgnum = msgnum;
4600 new_arcq.arcq_delta = incr;
4601 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4609 * TDAP_ProcessAdjRefCountQueue()
4611 * Process the queue of message count adjustments that was created by calls
4612 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4613 * for each one. This should be an "off hours" operation.
4615 int TDAP_ProcessAdjRefCountQueue(void)
4617 char file_arcq_temp[PATH_MAX];
4620 struct arcq arcq_rec;
4621 int num_records_processed = 0;
4623 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4625 begin_critical_section(S_SUPPMSGMAIN);
4626 if (arcfp != NULL) {
4631 r = link(file_arcq, file_arcq_temp);
4633 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4634 end_critical_section(S_SUPPMSGMAIN);
4635 return(num_records_processed);
4639 end_critical_section(S_SUPPMSGMAIN);
4641 fp = fopen(file_arcq_temp, "rb");
4643 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4644 return(num_records_processed);
4647 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4648 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4649 ++num_records_processed;
4653 r = unlink(file_arcq_temp);
4655 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4658 return(num_records_processed);
4664 * TDAP_AdjRefCount - adjust the reference count for a message.
4665 * This one does it "for real" because it's called by
4666 * the autopurger function that processes the queue
4667 * created by AdjRefCount(). If a message's reference
4668 * count becomes zero, we also delete the message from
4669 * disk and de-index it.
4671 void TDAP_AdjRefCount(long msgnum, int incr)
4674 struct MetaData smi;
4677 /* This is a *tight* critical section; please keep it that way, as
4678 * it may get called while nested in other critical sections.
4679 * Complicating this any further will surely cause deadlock!
4681 begin_critical_section(S_SUPPMSGMAIN);
4682 GetMetaData(&smi, msgnum);
4683 smi.meta_refcount += incr;
4685 end_critical_section(S_SUPPMSGMAIN);
4686 CtdlLogPrintf(CTDL_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4687 msgnum, incr, smi.meta_refcount
4690 /* If the reference count is now zero, delete the message
4691 * (and its supplementary record as well).
4693 if (smi.meta_refcount == 0) {
4694 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4696 /* Call delete hooks with NULL room to show it has gone altogether */
4697 PerformDeleteHooks(NULL, msgnum);
4699 /* Remove from message base */
4701 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4702 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4704 /* Remove metadata record */
4705 delnum = (0L - msgnum);
4706 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4712 * Write a generic object to this room
4714 * Note: this could be much more efficient. Right now we use two temporary
4715 * files, and still pull the message into memory as with all others.
4717 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4718 char *content_type, /* MIME type of this object */
4719 char *raw_message, /* Data to be written */
4720 off_t raw_length, /* Size of raw_message */
4721 struct ctdluser *is_mailbox, /* Mailbox room? */
4722 int is_binary, /* Is encoding necessary? */
4723 int is_unique, /* Del others of this type? */
4724 unsigned int flags /* Internal save flags */
4728 struct ctdlroom qrbuf;
4729 char roomname[ROOMNAMELEN];
4730 struct CtdlMessage *msg;
4731 char *encoded_message = NULL;
4733 if (is_mailbox != NULL) {
4734 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4737 safestrncpy(roomname, req_room, sizeof(roomname));
4740 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4743 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4746 encoded_message = malloc((size_t)(raw_length + 4096));
4749 sprintf(encoded_message, "Content-type: %s\n", content_type);
4752 sprintf(&encoded_message[strlen(encoded_message)],
4753 "Content-transfer-encoding: base64\n\n"
4757 sprintf(&encoded_message[strlen(encoded_message)],
4758 "Content-transfer-encoding: 7bit\n\n"
4764 &encoded_message[strlen(encoded_message)],
4772 &encoded_message[strlen(encoded_message)],
4778 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4779 msg = malloc(sizeof(struct CtdlMessage));
4780 memset(msg, 0, sizeof(struct CtdlMessage));
4781 msg->cm_magic = CTDLMESSAGE_MAGIC;
4782 msg->cm_anon_type = MES_NORMAL;
4783 msg->cm_format_type = 4;
4784 msg->cm_fields['A'] = strdup(CC->user.fullname);
4785 msg->cm_fields['O'] = strdup(req_room);
4786 msg->cm_fields['N'] = strdup(config.c_nodename);
4787 msg->cm_fields['H'] = strdup(config.c_humannode);
4788 msg->cm_flags = flags;
4790 msg->cm_fields['M'] = encoded_message;
4792 /* Create the requested room if we have to. */
4793 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4794 CtdlCreateRoom(roomname,
4795 ( (is_mailbox != NULL) ? 5 : 3 ),
4796 "", 0, 1, 0, VIEW_BBS);
4798 /* If the caller specified this object as unique, delete all
4799 * other objects of this type that are currently in the room.
4802 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4803 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4806 /* Now write the data */
4807 CtdlSubmitMsg(msg, NULL, roomname, 0);
4808 CtdlFreeMessage(msg);
4816 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4817 config_msgnum = msgnum;
4821 char *CtdlGetSysConfig(char *sysconfname) {
4822 char hold_rm[ROOMNAMELEN];
4825 struct CtdlMessage *msg;
4828 strcpy(hold_rm, CC->room.QRname);
4829 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4830 CtdlGetRoom(&CC->room, hold_rm);
4835 /* We want the last (and probably only) config in this room */
4836 begin_critical_section(S_CONFIG);
4837 config_msgnum = (-1L);
4838 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4839 CtdlGetSysConfigBackend, NULL);
4840 msgnum = config_msgnum;
4841 end_critical_section(S_CONFIG);
4847 msg = CtdlFetchMessage(msgnum, 1);
4849 conf = strdup(msg->cm_fields['M']);
4850 CtdlFreeMessage(msg);
4857 CtdlGetRoom(&CC->room, hold_rm);
4859 if (conf != NULL) do {
4860 extract_token(buf, conf, 0, '\n', sizeof buf);
4861 strcpy(conf, &conf[strlen(buf)+1]);
4862 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4868 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4869 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4874 * Determine whether a given Internet address belongs to the current user
4876 int CtdlIsMe(char *addr, int addr_buf_len)
4878 struct recptypes *recp;
4881 recp = validate_recipients(addr, NULL, 0);
4882 if (recp == NULL) return(0);
4884 if (recp->num_local == 0) {
4885 free_recipients(recp);
4889 for (i=0; i<recp->num_local; ++i) {
4890 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4891 if (!strcasecmp(addr, CC->user.fullname)) {
4892 free_recipients(recp);
4897 free_recipients(recp);
4903 * Citadel protocol command to do the same
4905 void cmd_isme(char *argbuf) {
4908 if (CtdlAccessCheck(ac_logged_in)) return;
4909 extract_token(addr, argbuf, 0, '|', sizeof addr);
4911 if (CtdlIsMe(addr, sizeof addr)) {
4912 cprintf("%d %s\n", CIT_OK, addr);
4915 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
4921 /*****************************************************************************/
4922 /* MODULE INITIALIZATION STUFF */
4923 /*****************************************************************************/
4925 CTDL_MODULE_INIT(msgbase)
4928 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
4929 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
4930 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
4931 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
4932 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
4933 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
4934 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
4935 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
4936 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
4937 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
4938 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
4939 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
4942 /* return our Subversion id for the Log */