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|%s\n",
314 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
315 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
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 */
936 unsigned char ch = 0;
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);
1894 else if (i == 'K') {
1895 cprintf("Reply-To: <%s>%s", mptr, nl);
1901 if (subject_found == 0) {
1902 cprintf("Subject: (no subject)%s", nl);
1907 void Dump_RFC822HeadersBody(
1908 struct CtdlMessage *TheMessage,
1909 int headers_only, /* eschew the message body? */
1910 int flags, /* should the bessage be exported clean? */
1914 cit_uint8_t prev_ch;
1916 const char *StartOfText = StrBufNOTNULL;
1919 int nllen = strlen(nl);
1922 mptr = TheMessage->cm_fields['M'];
1926 while (*mptr != '\0') {
1927 if (*mptr == '\r') {
1934 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
1936 eoh = *(mptr+1) == '\n';
1940 StartOfText = strchr(StartOfText, '\n');
1941 StartOfText = strchr(StartOfText, '\n');
1944 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
1945 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
1946 ((headers_only != HEADERS_NONE) &&
1947 (headers_only != HEADERS_ONLY))
1949 if (*mptr == '\n') {
1950 memcpy(&outbuf[outlen], nl, nllen);
1952 outbuf[outlen] = '\0';
1955 outbuf[outlen++] = *mptr;
1959 if (flags & ESC_DOT)
1961 if ((prev_ch == '\n') &&
1963 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
1965 outbuf[outlen++] = '.';
1970 if (outlen > 1000) {
1971 client_write(outbuf, outlen);
1976 client_write(outbuf, outlen);
1983 /* If the format type on disk is 1 (fixed-format), then we want
1984 * everything to be output completely literally ... regardless of
1985 * what message transfer format is in use.
1987 void DumpFormatFixed(
1988 struct CtdlMessage *TheMessage,
1989 int mode, /* how would you like that message? */
1996 int nllen = strlen (nl);
1999 mptr = TheMessage->cm_fields['M'];
2001 if (mode == MT_MIME) {
2002 cprintf("Content-type: text/plain\n\n");
2006 while (ch = *mptr++, ch > 0) {
2010 if ((buflen > 250) && (!xlline)){
2014 while ((buflen > 0) &&
2015 (!isspace(buf[buflen])))
2021 mptr -= tbuflen - buflen;
2026 /* if we reach the outer bounds of our buffer,
2027 abort without respect what whe purge. */
2030 (buflen > SIZ - nllen - 2)))
2034 memcpy (&buf[buflen], nl, nllen);
2038 client_write(buf, buflen);
2048 if (!IsEmptyStr(buf))
2049 cprintf("%s%s", buf, nl);
2053 * Get a message off disk. (returns om_* values found in msgbase.h)
2055 int CtdlOutputPreLoadedMsg(
2056 struct CtdlMessage *TheMessage,
2057 int mode, /* how would you like that message? */
2058 int headers_only, /* eschew the message body? */
2059 int do_proto, /* do Citadel protocol responses? */
2060 int crlf, /* Use CRLF newlines instead of LF? */
2061 int flags /* should the bessage be exported clean? */
2065 const char *nl; /* newline string */
2068 /* Buffers needed for RFC822 translation. These are all filled
2069 * using functions that are bounds-checked, and therefore we can
2070 * make them substantially smaller than SIZ.
2078 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2079 ((TheMessage == NULL) ? "NULL" : "not null"),
2080 mode, headers_only, do_proto, crlf);
2082 strcpy(mid, "unknown");
2083 nl = (crlf ? "\r\n" : "\n");
2085 if (!is_valid_message(TheMessage)) {
2086 CtdlLogPrintf(CTDL_ERR,
2087 "ERROR: invalid preloaded message for output\n");
2089 return(om_no_such_msg);
2092 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2093 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2095 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2096 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2099 /* Are we downloading a MIME component? */
2100 if (mode == MT_DOWNLOAD) {
2101 if (TheMessage->cm_format_type != FMT_RFC822) {
2103 cprintf("%d This is not a MIME message.\n",
2104 ERROR + ILLEGAL_VALUE);
2105 } else if (CC->download_fp != NULL) {
2106 if (do_proto) cprintf(
2107 "%d You already have a download open.\n",
2108 ERROR + RESOURCE_BUSY);
2110 /* Parse the message text component */
2111 mptr = TheMessage->cm_fields['M'];
2112 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2113 /* If there's no file open by this time, the requested
2114 * section wasn't found, so print an error
2116 if (CC->download_fp == NULL) {
2117 if (do_proto) cprintf(
2118 "%d Section %s not found.\n",
2119 ERROR + FILE_NOT_FOUND,
2120 CC->download_desired_section);
2123 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2126 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2127 * in a single server operation instead of opening a download file.
2129 if (mode == MT_SPEW_SECTION) {
2130 if (TheMessage->cm_format_type != FMT_RFC822) {
2132 cprintf("%d This is not a MIME message.\n",
2133 ERROR + ILLEGAL_VALUE);
2135 /* Parse the message text component */
2138 mptr = TheMessage->cm_fields['M'];
2139 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2140 /* If section wasn't found, print an error
2143 if (do_proto) cprintf(
2144 "%d Section %s not found.\n",
2145 ERROR + FILE_NOT_FOUND,
2146 CC->download_desired_section);
2149 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2152 /* now for the user-mode message reading loops */
2153 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2155 /* Does the caller want to skip the headers? */
2156 if (headers_only == HEADERS_NONE) goto START_TEXT;
2158 /* Tell the client which format type we're using. */
2159 if ( (mode == MT_CITADEL) && (do_proto) ) {
2160 cprintf("type=%d\n", TheMessage->cm_format_type);
2163 /* nhdr=yes means that we're only displaying headers, no body */
2164 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2165 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2168 cprintf("nhdr=yes\n");
2171 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2172 OutputCtdlMsgHeaders(TheMessage, do_proto);
2175 /* begin header processing loop for RFC822 transfer format */
2179 strcpy(snode, NODENAME);
2180 if (mode == MT_RFC822)
2181 OutputRFC822MsgHeaders(
2186 suser, sizeof(suser),
2187 luser, sizeof(luser),
2188 fuser, sizeof(fuser),
2189 snode, sizeof(snode)
2193 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2194 suser[i] = tolower(suser[i]);
2195 if (!isalnum(suser[i])) suser[i]='_';
2198 if (mode == MT_RFC822) {
2199 if (!strcasecmp(snode, NODENAME)) {
2200 safestrncpy(snode, FQDN, sizeof snode);
2203 /* Construct a fun message id */
2204 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2205 if (strchr(mid, '@')==NULL) {
2206 cprintf("@%s", snode);
2210 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2211 cprintf("From: \"----\" <x@x.org>%s", nl);
2213 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2214 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2216 else if (!IsEmptyStr(fuser)) {
2217 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2220 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2223 /* Blank line signifying RFC822 end-of-headers */
2224 if (TheMessage->cm_format_type != FMT_RFC822) {
2229 /* end header processing loop ... at this point, we're in the text */
2231 if (headers_only == HEADERS_FAST) goto DONE;
2233 /* Tell the client about the MIME parts in this message */
2234 if (TheMessage->cm_format_type == FMT_RFC822) {
2235 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2236 mptr = TheMessage->cm_fields['M'];
2237 memset(&ma, 0, sizeof(struct ma_info));
2238 mime_parser(mptr, NULL,
2239 (do_proto ? *list_this_part : NULL),
2240 (do_proto ? *list_this_pref : NULL),
2241 (do_proto ? *list_this_suff : NULL),
2244 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2245 Dump_RFC822HeadersBody(
2254 if (headers_only == HEADERS_ONLY) {
2258 /* signify start of msg text */
2259 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2260 if (do_proto) cprintf("text\n");
2263 if (TheMessage->cm_format_type == FMT_FIXED)
2266 mode, /* how would you like that message? */
2269 /* If the message on disk is format 0 (Citadel vari-format), we
2270 * output using the formatter at 80 columns. This is the final output
2271 * form if the transfer format is RFC822, but if the transfer format
2272 * is Citadel proprietary, it'll still work, because the indentation
2273 * for new paragraphs is correct and the client will reformat the
2274 * message to the reader's screen width.
2276 if (TheMessage->cm_format_type == FMT_CITADEL) {
2277 mptr = TheMessage->cm_fields['M'];
2279 if (mode == MT_MIME) {
2280 cprintf("Content-type: text/x-citadel-variformat\n\n");
2285 /* If the message on disk is format 4 (MIME), we've gotta hand it
2286 * off to the MIME parser. The client has already been told that
2287 * this message is format 1 (fixed format), so the callback function
2288 * we use will display those parts as-is.
2290 if (TheMessage->cm_format_type == FMT_RFC822) {
2291 memset(&ma, 0, sizeof(struct ma_info));
2293 if (mode == MT_MIME) {
2294 ma.use_fo_hooks = 0;
2295 strcpy(ma.chosen_part, "1");
2296 ma.chosen_pref = 9999;
2297 mime_parser(mptr, NULL,
2298 *choose_preferred, *fixed_output_pre,
2299 *fixed_output_post, (void *)&ma, 0);
2300 mime_parser(mptr, NULL,
2301 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2304 ma.use_fo_hooks = 1;
2305 mime_parser(mptr, NULL,
2306 *fixed_output, *fixed_output_pre,
2307 *fixed_output_post, (void *)&ma, 0);
2312 DONE: /* now we're done */
2313 if (do_proto) cprintf("000\n");
2319 * display a message (mode 0 - Citadel proprietary)
2321 void cmd_msg0(char *cmdbuf)
2324 int headers_only = HEADERS_ALL;
2326 msgid = extract_long(cmdbuf, 0);
2327 headers_only = extract_int(cmdbuf, 1);
2329 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2335 * display a message (mode 2 - RFC822)
2337 void cmd_msg2(char *cmdbuf)
2340 int headers_only = HEADERS_ALL;
2342 msgid = extract_long(cmdbuf, 0);
2343 headers_only = extract_int(cmdbuf, 1);
2345 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2351 * display a message (mode 3 - IGnet raw format - internal programs only)
2353 void cmd_msg3(char *cmdbuf)
2356 struct CtdlMessage *msg = NULL;
2359 if (CC->internal_pgm == 0) {
2360 cprintf("%d This command is for internal programs only.\n",
2361 ERROR + HIGHER_ACCESS_REQUIRED);
2365 msgnum = extract_long(cmdbuf, 0);
2366 msg = CtdlFetchMessage(msgnum, 1);
2368 cprintf("%d Message %ld not found.\n",
2369 ERROR + MESSAGE_NOT_FOUND, msgnum);
2373 serialize_message(&smr, msg);
2374 CtdlFreeMessage(msg);
2377 cprintf("%d Unable to serialize message\n",
2378 ERROR + INTERNAL_ERROR);
2382 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2383 client_write((char *)smr.ser, (int)smr.len);
2390 * Display a message using MIME content types
2392 void cmd_msg4(char *cmdbuf)
2397 msgid = extract_long(cmdbuf, 0);
2398 extract_token(section, cmdbuf, 1, '|', sizeof section);
2399 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2405 * Client tells us its preferred message format(s)
2407 void cmd_msgp(char *cmdbuf)
2409 if (!strcasecmp(cmdbuf, "dont_decode")) {
2410 CC->msg4_dont_decode = 1;
2411 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2414 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2415 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2421 * Open a component of a MIME message as a download file
2423 void cmd_opna(char *cmdbuf)
2426 char desired_section[128];
2428 msgid = extract_long(cmdbuf, 0);
2429 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2430 safestrncpy(CC->download_desired_section, desired_section,
2431 sizeof CC->download_desired_section);
2432 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2437 * Open a component of a MIME message and transmit it all at once
2439 void cmd_dlat(char *cmdbuf)
2442 char desired_section[128];
2444 msgid = extract_long(cmdbuf, 0);
2445 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2446 safestrncpy(CC->download_desired_section, desired_section,
2447 sizeof CC->download_desired_section);
2448 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2453 * Save one or more message pointers into a specified room
2454 * (Returns 0 for success, nonzero for failure)
2455 * roomname may be NULL to use the current room
2457 * Note that the 'supplied_msg' field may be set to NULL, in which case
2458 * the message will be fetched from disk, by number, if we need to perform
2459 * replication checks. This adds an additional database read, so if the
2460 * caller already has the message in memory then it should be supplied. (Obviously
2461 * this mode of operation only works if we're saving a single message.)
2463 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2464 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2467 char hold_rm[ROOMNAMELEN];
2468 struct cdbdata *cdbfr;
2471 long highest_msg = 0L;
2474 struct CtdlMessage *msg = NULL;
2476 long *msgs_to_be_merged = NULL;
2477 int num_msgs_to_be_merged = 0;
2479 CtdlLogPrintf(CTDL_DEBUG,
2480 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2481 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2484 strcpy(hold_rm, CC->room.QRname);
2487 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2488 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2489 if (num_newmsgs > 1) supplied_msg = NULL;
2491 /* Now the regular stuff */
2492 if (CtdlGetRoomLock(&CC->room,
2493 ((roomname != NULL) ? roomname : CC->room.QRname) )
2495 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2496 return(ERROR + ROOM_NOT_FOUND);
2500 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2501 num_msgs_to_be_merged = 0;
2504 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2505 if (cdbfr == NULL) {
2509 msglist = (long *) cdbfr->ptr;
2510 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2511 num_msgs = cdbfr->len / sizeof(long);
2516 /* Create a list of msgid's which were supplied by the caller, but do
2517 * not already exist in the target room. It is absolutely taboo to
2518 * have more than one reference to the same message in a room.
2520 for (i=0; i<num_newmsgs; ++i) {
2522 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2523 if (msglist[j] == newmsgidlist[i]) {
2528 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2532 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2535 * Now merge the new messages
2537 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2538 if (msglist == NULL) {
2539 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2541 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2542 num_msgs += num_msgs_to_be_merged;
2544 /* Sort the message list, so all the msgid's are in order */
2545 num_msgs = sort_msglist(msglist, num_msgs);
2547 /* Determine the highest message number */
2548 highest_msg = msglist[num_msgs - 1];
2550 /* Write it back to disk. */
2551 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2552 msglist, (int)(num_msgs * sizeof(long)));
2554 /* Free up the memory we used. */
2557 /* Update the highest-message pointer and unlock the room. */
2558 CC->room.QRhighest = highest_msg;
2559 CtdlPutRoomLock(&CC->room);
2561 /* Perform replication checks if necessary */
2562 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2563 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2565 for (i=0; i<num_msgs_to_be_merged; ++i) {
2566 msgid = msgs_to_be_merged[i];
2568 if (supplied_msg != NULL) {
2572 msg = CtdlFetchMessage(msgid, 0);
2576 ReplicationChecks(msg);
2578 /* If the message has an Exclusive ID, index that... */
2579 if (msg->cm_fields['E'] != NULL) {
2580 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2583 /* Free up the memory we may have allocated */
2584 if (msg != supplied_msg) {
2585 CtdlFreeMessage(msg);
2593 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2596 /* Submit this room for processing by hooks */
2597 PerformRoomHooks(&CC->room);
2599 /* Go back to the room we were in before we wandered here... */
2600 CtdlGetRoom(&CC->room, hold_rm);
2602 /* Bump the reference count for all messages which were merged */
2603 if (!suppress_refcount_adj) {
2604 for (i=0; i<num_msgs_to_be_merged; ++i) {
2605 AdjRefCount(msgs_to_be_merged[i], +1);
2609 /* Free up memory... */
2610 if (msgs_to_be_merged != NULL) {
2611 free(msgs_to_be_merged);
2614 /* Return success. */
2620 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2623 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2624 int do_repl_check, struct CtdlMessage *supplied_msg)
2626 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2633 * Message base operation to save a new message to the message store
2634 * (returns new message number)
2636 * This is the back end for CtdlSubmitMsg() and should not be directly
2637 * called by server-side modules.
2640 long send_message(struct CtdlMessage *msg) {
2648 /* Get a new message number */
2649 newmsgid = get_new_message_number();
2650 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2652 /* Generate an ID if we don't have one already */
2653 if (msg->cm_fields['I']==NULL) {
2654 msg->cm_fields['I'] = strdup(msgidbuf);
2657 /* If the message is big, set its body aside for storage elsewhere */
2658 if (msg->cm_fields['M'] != NULL) {
2659 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2661 holdM = msg->cm_fields['M'];
2662 msg->cm_fields['M'] = NULL;
2666 /* Serialize our data structure for storage in the database */
2667 serialize_message(&smr, msg);
2670 msg->cm_fields['M'] = holdM;
2674 cprintf("%d Unable to serialize message\n",
2675 ERROR + INTERNAL_ERROR);
2679 /* Write our little bundle of joy into the message base */
2680 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2681 smr.ser, smr.len) < 0) {
2682 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2686 cdb_store(CDB_BIGMSGS,
2696 /* Free the memory we used for the serialized message */
2699 /* Return the *local* message ID to the caller
2700 * (even if we're storing an incoming network message)
2708 * Serialize a struct CtdlMessage into the format used on disk and network.
2710 * This function loads up a "struct ser_ret" (defined in server.h) which
2711 * contains the length of the serialized message and a pointer to the
2712 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2714 void serialize_message(struct ser_ret *ret, /* return values */
2715 struct CtdlMessage *msg) /* unserialized msg */
2717 size_t wlen, fieldlen;
2719 static char *forder = FORDER;
2722 * Check for valid message format
2724 if (is_valid_message(msg) == 0) {
2725 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2732 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2733 ret->len = ret->len +
2734 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2736 ret->ser = malloc(ret->len);
2737 if (ret->ser == NULL) {
2738 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2739 (long)ret->len, strerror(errno));
2746 ret->ser[1] = msg->cm_anon_type;
2747 ret->ser[2] = msg->cm_format_type;
2750 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2751 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2752 ret->ser[wlen++] = (char)forder[i];
2753 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2754 wlen = wlen + fieldlen + 1;
2756 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2757 (long)ret->len, (long)wlen);
2764 * Serialize a struct CtdlMessage into the format used on disk and network.
2766 * This function loads up a "struct ser_ret" (defined in server.h) which
2767 * contains the length of the serialized message and a pointer to the
2768 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2770 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2771 long Siz) /* how many chars ? */
2775 static char *forder = FORDER;
2779 * Check for valid message format
2781 if (is_valid_message(msg) == 0) {
2782 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2786 buf = (char*) malloc (Siz + 1);
2790 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2791 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2792 msg->cm_fields[(int)forder[i]]);
2793 client_write (buf, strlen(buf));
2802 * Check to see if any messages already exist in the current room which
2803 * carry the same Exclusive ID as this one. If any are found, delete them.
2805 void ReplicationChecks(struct CtdlMessage *msg) {
2806 long old_msgnum = (-1L);
2808 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2810 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2813 /* No exclusive id? Don't do anything. */
2814 if (msg == NULL) return;
2815 if (msg->cm_fields['E'] == NULL) return;
2816 if (IsEmptyStr(msg->cm_fields['E'])) return;
2817 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2818 msg->cm_fields['E'], CC->room.QRname);*/
2820 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2821 if (old_msgnum > 0L) {
2822 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2823 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2830 * Save a message to disk and submit it into the delivery system.
2832 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2833 struct recptypes *recps, /* recipients (if mail) */
2834 char *force, /* force a particular room? */
2835 int flags /* should the message be exported clean? */
2837 char submit_filename[128];
2838 char generated_timestamp[32];
2839 char hold_rm[ROOMNAMELEN];
2840 char actual_rm[ROOMNAMELEN];
2841 char force_room[ROOMNAMELEN];
2842 char content_type[SIZ]; /* We have to learn this */
2843 char recipient[SIZ];
2845 const char *mptr = NULL;
2846 struct ctdluser userbuf;
2848 struct MetaData smi;
2849 FILE *network_fp = NULL;
2850 static int seqnum = 1;
2851 struct CtdlMessage *imsg = NULL;
2853 size_t instr_alloc = 0;
2855 char *hold_R, *hold_D;
2856 char *collected_addresses = NULL;
2857 struct addresses_to_be_filed *aptr = NULL;
2858 StrBuf *saved_rfc822_version = NULL;
2859 int qualified_for_journaling = 0;
2860 CitContext *CCC = CC; /* CachedCitContext - performance boost */
2861 char bounce_to[1024] = "";
2865 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2866 if (is_valid_message(msg) == 0) return(-1); /* self check */
2868 /* If this message has no timestamp, we take the liberty of
2869 * giving it one, right now.
2871 if (msg->cm_fields['T'] == NULL) {
2872 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2873 msg->cm_fields['T'] = strdup(generated_timestamp);
2876 /* If this message has no path, we generate one.
2878 if (msg->cm_fields['P'] == NULL) {
2879 if (msg->cm_fields['A'] != NULL) {
2880 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2881 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2882 if (isspace(msg->cm_fields['P'][a])) {
2883 msg->cm_fields['P'][a] = ' ';
2888 msg->cm_fields['P'] = strdup("unknown");
2892 if (force == NULL) {
2893 strcpy(force_room, "");
2896 strcpy(force_room, force);
2899 /* Learn about what's inside, because it's what's inside that counts */
2900 if (msg->cm_fields['M'] == NULL) {
2901 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2905 switch (msg->cm_format_type) {
2907 strcpy(content_type, "text/x-citadel-variformat");
2910 strcpy(content_type, "text/plain");
2913 strcpy(content_type, "text/plain");
2914 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2917 safestrncpy(content_type, &mptr[13], sizeof content_type);
2918 striplt(content_type);
2919 aptr = content_type;
2920 while (!IsEmptyStr(aptr)) {
2932 /* Goto the correct room */
2933 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2934 strcpy(hold_rm, CCC->room.QRname);
2935 strcpy(actual_rm, CCC->room.QRname);
2936 if (recps != NULL) {
2937 strcpy(actual_rm, SENTITEMS);
2940 /* If the user is a twit, move to the twit room for posting */
2942 if (CCC->user.axlevel == AxProbU) {
2943 strcpy(hold_rm, actual_rm);
2944 strcpy(actual_rm, config.c_twitroom);
2945 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2949 /* ...or if this message is destined for Aide> then go there. */
2950 if (!IsEmptyStr(force_room)) {
2951 strcpy(actual_rm, force_room);
2954 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2955 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2956 /* CtdlGetRoom(&CCC->room, actual_rm); */
2957 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
2961 * If this message has no O (room) field, generate one.
2963 if (msg->cm_fields['O'] == NULL) {
2964 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2967 /* Perform "before save" hooks (aborting if any return nonzero) */
2968 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2969 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2972 * If this message has an Exclusive ID, and the room is replication
2973 * checking enabled, then do replication checks.
2975 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2976 ReplicationChecks(msg);
2979 /* Save it to disk */
2980 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2981 newmsgid = send_message(msg);
2982 if (newmsgid <= 0L) return(-5);
2984 /* Write a supplemental message info record. This doesn't have to
2985 * be a critical section because nobody else knows about this message
2988 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2989 memset(&smi, 0, sizeof(struct MetaData));
2990 smi.meta_msgnum = newmsgid;
2991 smi.meta_refcount = 0;
2992 safestrncpy(smi.meta_content_type, content_type,
2993 sizeof smi.meta_content_type);
2996 * Measure how big this message will be when rendered as RFC822.
2997 * We do this for two reasons:
2998 * 1. We need the RFC822 length for the new metadata record, so the
2999 * POP and IMAP services don't have to calculate message lengths
3000 * while the user is waiting (multiplied by potentially hundreds
3001 * or thousands of messages).
3002 * 2. If journaling is enabled, we will need an RFC822 version of the
3003 * message to attach to the journalized copy.
3005 if (CCC->redirect_buffer != NULL) {
3006 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3009 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3010 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3011 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3012 saved_rfc822_version = CCC->redirect_buffer;
3013 CCC->redirect_buffer = NULL;
3017 /* Now figure out where to store the pointers */
3018 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
3020 /* If this is being done by the networker delivering a private
3021 * message, we want to BYPASS saving the sender's copy (because there
3022 * is no local sender; it would otherwise go to the Trashcan).
3024 if ((!CCC->internal_pgm) || (recps == NULL)) {
3025 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3026 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
3027 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3031 /* For internet mail, drop a copy in the outbound queue room */
3032 if ((recps != NULL) && (recps->num_internet > 0)) {
3033 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3036 /* If other rooms are specified, drop them there too. */
3037 if ((recps != NULL) && (recps->num_room > 0))
3038 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3039 extract_token(recipient, recps->recp_room, i,
3040 '|', sizeof recipient);
3041 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
3042 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3045 /* Bump this user's messages posted counter. */
3046 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
3047 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3048 CCC->user.posted = CCC->user.posted + 1;
3049 CtdlPutUserLock(&CCC->user);
3051 /* Decide where bounces need to be delivered */
3052 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3053 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3055 else if (CCC->logged_in) {
3056 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3059 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3062 /* If this is private, local mail, make a copy in the
3063 * recipient's mailbox and bump the reference count.
3065 if ((recps != NULL) && (recps->num_local > 0))
3066 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3067 extract_token(recipient, recps->recp_local, i,
3068 '|', sizeof recipient);
3069 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
3071 if (CtdlGetUser(&userbuf, recipient) == 0) {
3072 // Add a flag so the Funambol module knows its mail
3073 msg->cm_fields['W'] = strdup(recipient);
3074 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3075 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3076 CtdlBumpNewMailCounter(userbuf.usernum);
3077 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3078 /* Generate a instruction message for the Funambol notification
3079 * server, in the same style as the SMTP queue
3082 instr = malloc(instr_alloc);
3083 snprintf(instr, instr_alloc,
3084 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3086 SPOOLMIME, newmsgid, (long)time(NULL),
3090 imsg = malloc(sizeof(struct CtdlMessage));
3091 memset(imsg, 0, sizeof(struct CtdlMessage));
3092 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3093 imsg->cm_anon_type = MES_NORMAL;
3094 imsg->cm_format_type = FMT_RFC822;
3095 imsg->cm_fields['A'] = strdup("Citadel");
3096 imsg->cm_fields['J'] = strdup("do not journal");
3097 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3098 imsg->cm_fields['W'] = strdup(recipient);
3099 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3100 CtdlFreeMessage(imsg);
3104 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
3105 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3110 /* Perform "after save" hooks */
3111 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
3112 PerformMessageHooks(msg, EVT_AFTERSAVE);
3114 /* For IGnet mail, we have to save a new copy into the spooler for
3115 * each recipient, with the R and D fields set to the recipient and
3116 * destination-node. This has two ugly side effects: all other
3117 * recipients end up being unlisted in this recipient's copy of the
3118 * message, and it has to deliver multiple messages to the same
3119 * node. We'll revisit this again in a year or so when everyone has
3120 * a network spool receiver that can handle the new style messages.
3122 if ((recps != NULL) && (recps->num_ignet > 0))
3123 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3124 extract_token(recipient, recps->recp_ignet, i,
3125 '|', sizeof recipient);
3127 hold_R = msg->cm_fields['R'];
3128 hold_D = msg->cm_fields['D'];
3129 msg->cm_fields['R'] = malloc(SIZ);
3130 msg->cm_fields['D'] = malloc(128);
3131 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3132 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3134 serialize_message(&smr, msg);
3136 snprintf(submit_filename, sizeof submit_filename,
3137 "%s/netmail.%04lx.%04x.%04x",
3139 (long) getpid(), CCC->cs_pid, ++seqnum);
3140 network_fp = fopen(submit_filename, "wb+");
3141 if (network_fp != NULL) {
3142 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3148 free(msg->cm_fields['R']);
3149 free(msg->cm_fields['D']);
3150 msg->cm_fields['R'] = hold_R;
3151 msg->cm_fields['D'] = hold_D;
3154 /* Go back to the room we started from */
3155 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
3156 if (strcasecmp(hold_rm, CCC->room.QRname))
3157 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3159 /* For internet mail, generate delivery instructions.
3160 * Yes, this is recursive. Deal with it. Infinite recursion does
3161 * not happen because the delivery instructions message does not
3162 * contain a recipient.
3164 if ((recps != NULL) && (recps->num_internet > 0)) {
3165 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
3167 instr = malloc(instr_alloc);
3168 snprintf(instr, instr_alloc,
3169 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3171 SPOOLMIME, newmsgid, (long)time(NULL),
3175 if (recps->envelope_from != NULL) {
3176 tmp = strlen(instr);
3177 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3180 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3181 tmp = strlen(instr);
3182 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3183 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3184 instr_alloc = instr_alloc * 2;
3185 instr = realloc(instr, instr_alloc);
3187 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3190 imsg = malloc(sizeof(struct CtdlMessage));
3191 memset(imsg, 0, sizeof(struct CtdlMessage));
3192 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3193 imsg->cm_anon_type = MES_NORMAL;
3194 imsg->cm_format_type = FMT_RFC822;
3195 imsg->cm_fields['A'] = strdup("Citadel");
3196 imsg->cm_fields['J'] = strdup("do not journal");
3197 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3198 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3199 CtdlFreeMessage(imsg);
3203 * Any addresses to harvest for someone's address book?
3205 if ( (CCC->logged_in) && (recps != NULL) ) {
3206 collected_addresses = harvest_collected_addresses(msg);
3209 if (collected_addresses != NULL) {
3210 aptr = (struct addresses_to_be_filed *)
3211 malloc(sizeof(struct addresses_to_be_filed));
3212 CtdlMailboxName(actual_rm, sizeof actual_rm,
3213 &CCC->user, USERCONTACTSROOM);
3214 aptr->roomname = strdup(actual_rm);
3215 aptr->collected_addresses = collected_addresses;
3216 begin_critical_section(S_ATBF);
3219 end_critical_section(S_ATBF);
3223 * Determine whether this message qualifies for journaling.
3225 if (msg->cm_fields['J'] != NULL) {
3226 qualified_for_journaling = 0;
3229 if (recps == NULL) {
3230 qualified_for_journaling = config.c_journal_pubmsgs;
3232 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3233 qualified_for_journaling = config.c_journal_email;
3236 qualified_for_journaling = config.c_journal_pubmsgs;
3241 * Do we have to perform journaling? If so, hand off the saved
3242 * RFC822 version will be handed off to the journaler for background
3243 * submit. Otherwise, we have to free the memory ourselves.
3245 if (saved_rfc822_version != NULL) {
3246 if (qualified_for_journaling) {
3247 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3250 FreeStrBuf(&saved_rfc822_version);
3260 void aide_message (char *text, char *subject)
3262 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3267 * Convenience function for generating small administrative messages.
3269 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3270 int format_type, const char *subject)
3272 struct CtdlMessage *msg;
3273 struct recptypes *recp = NULL;
3275 msg = malloc(sizeof(struct CtdlMessage));
3276 memset(msg, 0, sizeof(struct CtdlMessage));
3277 msg->cm_magic = CTDLMESSAGE_MAGIC;
3278 msg->cm_anon_type = MES_NORMAL;
3279 msg->cm_format_type = format_type;
3282 msg->cm_fields['A'] = strdup(from);
3284 else if (fromaddr != NULL) {
3285 msg->cm_fields['A'] = strdup(fromaddr);
3286 if (strchr(msg->cm_fields['A'], '@')) {
3287 *strchr(msg->cm_fields['A'], '@') = 0;
3291 msg->cm_fields['A'] = strdup("Citadel");
3294 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3295 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3296 msg->cm_fields['N'] = strdup(NODENAME);
3298 msg->cm_fields['R'] = strdup(to);
3299 recp = validate_recipients(to, NULL, 0);
3301 if (subject != NULL) {
3302 msg->cm_fields['U'] = strdup(subject);
3304 msg->cm_fields['M'] = strdup(text);
3306 CtdlSubmitMsg(msg, recp, room, 0);
3307 CtdlFreeMessage(msg);
3308 if (recp != NULL) free_recipients(recp);
3314 * Back end function used by CtdlMakeMessage() and similar functions
3316 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3318 size_t maxlen, /* maximum message length */
3319 char *exist, /* if non-null, append to it;
3320 exist is ALWAYS freed */
3321 int crlf, /* CRLF newlines instead of LF */
3322 int *sock /* socket handle or 0 for this session's client socket */
3331 LineBuf = NewStrBufPlain(NULL, SIZ);
3332 if (exist == NULL) {
3333 Message = NewStrBufPlain(NULL, 4 * SIZ);
3336 Message = NewStrBufPlain(exist, -1);
3340 /* Do we need to change leading ".." to "." for SMTP escaping? */
3341 if ((tlen == 1) && (*terminator == '.')) {
3345 /* read in the lines of message text one by one */
3348 if ((CtdlSockGetLine(sock, LineBuf) < 0) ||
3353 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3355 if ((StrLength(LineBuf) == tlen) &&
3356 (!strcmp(ChrPtr(LineBuf), terminator)))
3359 if ( (!flushing) && (!finished) ) {
3361 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3364 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3367 /* Unescape SMTP-style input of two dots at the beginning of the line */
3369 (StrLength(LineBuf) == 2) &&
3370 (!strcmp(ChrPtr(LineBuf), "..")))
3372 StrBufCutLeft(LineBuf, 1);
3375 StrBufAppendBuf(Message, LineBuf, 0);
3378 /* if we've hit the max msg length, flush the rest */
3379 if (StrLength(Message) >= maxlen) flushing = 1;
3381 } while (!finished);
3382 FreeStrBuf(&LineBuf);
3388 * Back end function used by CtdlMakeMessage() and similar functions
3390 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3392 size_t maxlen, /* maximum message length */
3393 char *exist, /* if non-null, append to it;
3394 exist is ALWAYS freed */
3395 int crlf, /* CRLF newlines instead of LF */
3396 int *sock /* socket handle or 0 for this session's client socket */
3401 Message = CtdlReadMessageBodyBuf(terminator,
3407 if (Message == NULL)
3410 return SmashStrBuf(&Message);
3415 * Build a binary message to be saved on disk.
3416 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3417 * will become part of the message. This means you are no longer
3418 * responsible for managing that memory -- it will be freed along with
3419 * the rest of the fields when CtdlFreeMessage() is called.)
3422 struct CtdlMessage *CtdlMakeMessage(
3423 struct ctdluser *author, /* author's user structure */
3424 char *recipient, /* NULL if it's not mail */
3425 char *recp_cc, /* NULL if it's not mail */
3426 char *room, /* room where it's going */
3427 int type, /* see MES_ types in header file */
3428 int format_type, /* variformat, plain text, MIME... */
3429 char *fake_name, /* who we're masquerading as */
3430 char *my_email, /* which of my email addresses to use (empty is ok) */
3431 char *subject, /* Subject (optional) */
3432 char *supplied_euid, /* ...or NULL if this is irrelevant */
3433 char *preformatted_text, /* ...or NULL to read text from client */
3434 char *references /* Thread references */
3436 char dest_node[256];
3438 struct CtdlMessage *msg;
3440 StrBuf *FakeEncAuthor = NULL;
3442 msg = malloc(sizeof(struct CtdlMessage));
3443 memset(msg, 0, sizeof(struct CtdlMessage));
3444 msg->cm_magic = CTDLMESSAGE_MAGIC;
3445 msg->cm_anon_type = type;
3446 msg->cm_format_type = format_type;
3448 /* Don't confuse the poor folks if it's not routed mail. */
3449 strcpy(dest_node, "");
3451 if (recipient != NULL) striplt(recipient);
3452 if (recp_cc != NULL) striplt(recp_cc);
3454 /* Path or Return-Path */
3455 if (my_email == NULL) my_email = "";
3457 if (!IsEmptyStr(my_email)) {
3458 msg->cm_fields['P'] = strdup(my_email);
3461 snprintf(buf, sizeof buf, "%s", author->fullname);
3462 msg->cm_fields['P'] = strdup(buf);
3464 convert_spaces_to_underscores(msg->cm_fields['P']);
3466 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3467 msg->cm_fields['T'] = strdup(buf);
3469 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3470 FakeAuthor = NewStrBufPlain (fake_name, -1);
3473 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3475 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3476 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3478 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3479 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3482 msg->cm_fields['O'] = strdup(CC->room.QRname);
3485 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3486 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3488 if ((recipient != NULL) && (recipient[0] != 0)) {
3489 msg->cm_fields['R'] = strdup(recipient);
3491 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3492 msg->cm_fields['Y'] = strdup(recp_cc);
3494 if (dest_node[0] != 0) {
3495 msg->cm_fields['D'] = strdup(dest_node);
3498 if (!IsEmptyStr(my_email)) {
3499 msg->cm_fields['F'] = strdup(my_email);
3501 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3502 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3505 if (subject != NULL) {
3508 length = strlen(subject);
3514 while ((subject[i] != '\0') &&
3515 (IsAscii = isascii(subject[i]) != 0 ))
3518 msg->cm_fields['U'] = strdup(subject);
3519 else /* ok, we've got utf8 in the string. */
3521 msg->cm_fields['U'] = rfc2047encode(subject, length);
3527 if (supplied_euid != NULL) {
3528 msg->cm_fields['E'] = strdup(supplied_euid);
3531 if (references != NULL) {
3532 if (!IsEmptyStr(references)) {
3533 msg->cm_fields['W'] = strdup(references);
3537 if (preformatted_text != NULL) {
3538 msg->cm_fields['M'] = preformatted_text;
3541 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3549 * Check to see whether we have permission to post a message in the current
3550 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3551 * returns 0 on success.
3553 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3555 const char* RemoteIdentifier,
3559 if (!(CC->logged_in) &&
3560 (PostPublic == POST_LOGGED_IN)) {
3561 snprintf(errmsgbuf, n, "Not logged in.");
3562 return (ERROR + NOT_LOGGED_IN);
3564 else if (PostPublic == CHECK_EXISTANCE) {
3565 return (0); // We're Evaling whether a recipient exists
3567 else if (!(CC->logged_in)) {
3569 if ((CC->room.QRflags & QR_READONLY)) {
3570 snprintf(errmsgbuf, n, "Not logged in.");
3571 return (ERROR + NOT_LOGGED_IN);
3573 if (CC->room.QRflags2 & QR2_MODERATED) {
3574 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3575 return (ERROR + NOT_LOGGED_IN);
3577 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3582 if (RemoteIdentifier == NULL)
3584 snprintf(errmsgbuf, n, "Need sender to permit access.");
3585 return (ERROR + USERNAME_REQUIRED);
3588 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3589 begin_critical_section(S_NETCONFIGS);
3590 if (!read_spoolcontrol_file(&sc, filename))
3592 end_critical_section(S_NETCONFIGS);
3593 snprintf(errmsgbuf, n,
3594 "This mailing list only accepts posts from subscribers.");
3595 return (ERROR + NO_SUCH_USER);
3597 end_critical_section(S_NETCONFIGS);
3598 found = is_recipient (sc, RemoteIdentifier);
3599 free_spoolcontrol_struct(&sc);
3604 snprintf(errmsgbuf, n,
3605 "This mailing list only accepts posts from subscribers.");
3606 return (ERROR + NO_SUCH_USER);
3613 if ((CC->user.axlevel < AxProbU)
3614 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3615 snprintf(errmsgbuf, n, "Need to be validated to enter "
3616 "(except in %s> to sysop)", MAILROOM);
3617 return (ERROR + HIGHER_ACCESS_REQUIRED);
3620 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3621 if (!(ra & UA_POSTALLOWED)) {
3622 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3623 return (ERROR + HIGHER_ACCESS_REQUIRED);
3626 strcpy(errmsgbuf, "Ok");
3632 * Check to see if the specified user has Internet mail permission
3633 * (returns nonzero if permission is granted)
3635 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3637 /* Do not allow twits to send Internet mail */
3638 if (who->axlevel <= AxProbU) return(0);
3640 /* Globally enabled? */
3641 if (config.c_restrict == 0) return(1);
3643 /* User flagged ok? */
3644 if (who->flags & US_INTERNET) return(2);
3646 /* Aide level access? */
3647 if (who->axlevel >= AxAideU) return(3);
3649 /* No mail for you! */
3655 * Validate recipients, count delivery types and errors, and handle aliasing
3656 * FIXME check for dupes!!!!!
3658 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3659 * were specified, or the number of addresses found invalid.
3661 * Caller needs to free the result using free_recipients()
3663 struct recptypes *validate_recipients(const char *supplied_recipients,
3664 const char *RemoteIdentifier,
3666 struct recptypes *ret;
3667 char *recipients = NULL;
3668 char this_recp[256];
3669 char this_recp_cooked[256];
3675 struct ctdluser tempUS;
3676 struct ctdlroom tempQR;
3677 struct ctdlroom tempQR2;
3683 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3684 if (ret == NULL) return(NULL);
3686 /* Set all strings to null and numeric values to zero */
3687 memset(ret, 0, sizeof(struct recptypes));
3689 if (supplied_recipients == NULL) {
3690 recipients = strdup("");
3693 recipients = strdup(supplied_recipients);
3696 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3697 * actually need, but it's healthier for the heap than doing lots of tiny
3698 * realloc() calls instead.
3701 ret->errormsg = malloc(strlen(recipients) + 1024);
3702 ret->recp_local = malloc(strlen(recipients) + 1024);
3703 ret->recp_internet = malloc(strlen(recipients) + 1024);
3704 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3705 ret->recp_room = malloc(strlen(recipients) + 1024);
3706 ret->display_recp = malloc(strlen(recipients) + 1024);
3708 ret->errormsg[0] = 0;
3709 ret->recp_local[0] = 0;
3710 ret->recp_internet[0] = 0;
3711 ret->recp_ignet[0] = 0;
3712 ret->recp_room[0] = 0;
3713 ret->display_recp[0] = 0;
3715 ret->recptypes_magic = RECPTYPES_MAGIC;
3717 /* Change all valid separator characters to commas */
3718 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3719 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3720 recipients[i] = ',';
3724 /* Now start extracting recipients... */
3726 while (!IsEmptyStr(recipients)) {
3728 for (i=0; i<=strlen(recipients); ++i) {
3729 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3730 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3731 safestrncpy(this_recp, recipients, i+1);
3733 if (recipients[i] == ',') {
3734 strcpy(recipients, &recipients[i+1]);
3737 strcpy(recipients, "");
3744 if (IsEmptyStr(this_recp))
3746 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3748 mailtype = alias(this_recp);
3749 mailtype = alias(this_recp);
3750 mailtype = alias(this_recp);
3752 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3753 if (this_recp[j]=='_') {
3754 this_recp_cooked[j] = ' ';
3757 this_recp_cooked[j] = this_recp[j];
3760 this_recp_cooked[j] = '\0';
3765 if (!strcasecmp(this_recp, "sysop")) {
3767 strcpy(this_recp, config.c_aideroom);
3768 if (!IsEmptyStr(ret->recp_room)) {
3769 strcat(ret->recp_room, "|");
3771 strcat(ret->recp_room, this_recp);
3773 else if ( (!strncasecmp(this_recp, "room_", 5))
3774 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3776 /* Save room so we can restore it later */
3780 /* Check permissions to send mail to this room */
3781 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3793 if (!IsEmptyStr(ret->recp_room)) {
3794 strcat(ret->recp_room, "|");
3796 strcat(ret->recp_room, &this_recp_cooked[5]);
3799 /* Restore room in case something needs it */
3803 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3805 strcpy(this_recp, tempUS.fullname);
3806 if (!IsEmptyStr(ret->recp_local)) {
3807 strcat(ret->recp_local, "|");
3809 strcat(ret->recp_local, this_recp);
3811 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3813 strcpy(this_recp, tempUS.fullname);
3814 if (!IsEmptyStr(ret->recp_local)) {
3815 strcat(ret->recp_local, "|");
3817 strcat(ret->recp_local, this_recp);
3825 /* Yes, you're reading this correctly: if the target
3826 * domain points back to the local system or an attached
3827 * Citadel directory, the address is invalid. That's
3828 * because if the address were valid, we would have
3829 * already translated it to a local address by now.
3831 if (IsDirectory(this_recp, 0)) {
3836 ++ret->num_internet;
3837 if (!IsEmptyStr(ret->recp_internet)) {
3838 strcat(ret->recp_internet, "|");
3840 strcat(ret->recp_internet, this_recp);
3845 if (!IsEmptyStr(ret->recp_ignet)) {
3846 strcat(ret->recp_ignet, "|");
3848 strcat(ret->recp_ignet, this_recp);
3856 if (IsEmptyStr(errmsg)) {
3857 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3860 snprintf(append, sizeof append, "%s", errmsg);
3862 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3863 if (!IsEmptyStr(ret->errormsg)) {
3864 strcat(ret->errormsg, "; ");
3866 strcat(ret->errormsg, append);
3870 if (IsEmptyStr(ret->display_recp)) {
3871 strcpy(append, this_recp);
3874 snprintf(append, sizeof append, ", %s", this_recp);
3876 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3877 strcat(ret->display_recp, append);
3882 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3883 ret->num_room + ret->num_error) == 0) {
3884 ret->num_error = (-1);
3885 strcpy(ret->errormsg, "No recipients specified.");
3888 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3889 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3890 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3891 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3892 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3893 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3901 * Destructor for struct recptypes
3903 void free_recipients(struct recptypes *valid) {
3905 if (valid == NULL) {
3909 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3910 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3914 if (valid->errormsg != NULL) free(valid->errormsg);
3915 if (valid->recp_local != NULL) free(valid->recp_local);
3916 if (valid->recp_internet != NULL) free(valid->recp_internet);
3917 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3918 if (valid->recp_room != NULL) free(valid->recp_room);
3919 if (valid->display_recp != NULL) free(valid->display_recp);
3920 if (valid->bounce_to != NULL) free(valid->bounce_to);
3921 if (valid->envelope_from != NULL) free(valid->envelope_from);
3928 * message entry - mode 0 (normal)
3930 void cmd_ent0(char *entargs)
3936 char supplied_euid[128];
3938 int format_type = 0;
3939 char newusername[256];
3940 char newuseremail[256];
3941 struct CtdlMessage *msg;
3945 struct recptypes *valid = NULL;
3946 struct recptypes *valid_to = NULL;
3947 struct recptypes *valid_cc = NULL;
3948 struct recptypes *valid_bcc = NULL;
3950 int subject_required = 0;
3955 int newuseremail_ok = 0;
3956 char references[SIZ];
3961 post = extract_int(entargs, 0);
3962 extract_token(recp, entargs, 1, '|', sizeof recp);
3963 anon_flag = extract_int(entargs, 2);
3964 format_type = extract_int(entargs, 3);
3965 extract_token(subject, entargs, 4, '|', sizeof subject);
3966 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3967 do_confirm = extract_int(entargs, 6);
3968 extract_token(cc, entargs, 7, '|', sizeof cc);
3969 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3970 switch(CC->room.QRdefaultview) {
3973 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3976 supplied_euid[0] = 0;
3979 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3980 extract_token(references, entargs, 11, '|', sizeof references);
3981 for (ptr=references; *ptr != 0; ++ptr) {
3982 if (*ptr == '!') *ptr = '|';
3985 /* first check to make sure the request is valid. */
3987 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3990 cprintf("%d %s\n", err, errmsg);
3994 /* Check some other permission type things. */
3996 if (IsEmptyStr(newusername)) {
3997 strcpy(newusername, CC->user.fullname);
3999 if ( (CC->user.axlevel < AxAideU)
4000 && (strcasecmp(newusername, CC->user.fullname))
4001 && (strcasecmp(newusername, CC->cs_inet_fn))
4003 cprintf("%d You don't have permission to author messages as '%s'.\n",
4004 ERROR + HIGHER_ACCESS_REQUIRED,
4011 if (IsEmptyStr(newuseremail)) {
4012 newuseremail_ok = 1;
4015 if (!IsEmptyStr(newuseremail)) {
4016 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4017 newuseremail_ok = 1;
4019 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4020 j = num_tokens(CC->cs_inet_other_emails, '|');
4021 for (i=0; i<j; ++i) {
4022 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4023 if (!strcasecmp(newuseremail, buf)) {
4024 newuseremail_ok = 1;
4030 if (!newuseremail_ok) {
4031 cprintf("%d You don't have permission to author messages as '%s'.\n",
4032 ERROR + HIGHER_ACCESS_REQUIRED,
4038 CC->cs_flags |= CS_POSTING;
4040 /* In mailbox rooms we have to behave a little differently --
4041 * make sure the user has specified at least one recipient. Then
4042 * validate the recipient(s). We do this for the Mail> room, as
4043 * well as any room which has the "Mailbox" view set.
4046 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4047 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4049 if (CC->user.axlevel < AxProbU) {
4050 strcpy(recp, "sysop");
4055 valid_to = validate_recipients(recp, NULL, 0);
4056 if (valid_to->num_error > 0) {
4057 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4058 free_recipients(valid_to);
4062 valid_cc = validate_recipients(cc, NULL, 0);
4063 if (valid_cc->num_error > 0) {
4064 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4065 free_recipients(valid_to);
4066 free_recipients(valid_cc);
4070 valid_bcc = validate_recipients(bcc, NULL, 0);
4071 if (valid_bcc->num_error > 0) {
4072 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4073 free_recipients(valid_to);
4074 free_recipients(valid_cc);
4075 free_recipients(valid_bcc);
4079 /* Recipient required, but none were specified */
4080 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4081 free_recipients(valid_to);
4082 free_recipients(valid_cc);
4083 free_recipients(valid_bcc);
4084 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4088 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4089 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4090 cprintf("%d You do not have permission "
4091 "to send Internet mail.\n",
4092 ERROR + HIGHER_ACCESS_REQUIRED);
4093 free_recipients(valid_to);
4094 free_recipients(valid_cc);
4095 free_recipients(valid_bcc);
4100 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)
4101 && (CC->user.axlevel < AxNetU) ) {
4102 cprintf("%d Higher access required for network mail.\n",
4103 ERROR + HIGHER_ACCESS_REQUIRED);
4104 free_recipients(valid_to);
4105 free_recipients(valid_cc);
4106 free_recipients(valid_bcc);
4110 if ((RESTRICT_INTERNET == 1)
4111 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4112 && ((CC->user.flags & US_INTERNET) == 0)
4113 && (!CC->internal_pgm)) {
4114 cprintf("%d You don't have access to Internet mail.\n",
4115 ERROR + HIGHER_ACCESS_REQUIRED);
4116 free_recipients(valid_to);
4117 free_recipients(valid_cc);
4118 free_recipients(valid_bcc);
4124 /* Is this a room which has anonymous-only or anonymous-option? */
4125 anonymous = MES_NORMAL;
4126 if (CC->room.QRflags & QR_ANONONLY) {
4127 anonymous = MES_ANONONLY;
4129 if (CC->room.QRflags & QR_ANONOPT) {
4130 if (anon_flag == 1) { /* only if the user requested it */
4131 anonymous = MES_ANONOPT;
4135 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4139 /* Recommend to the client that the use of a message subject is
4140 * strongly recommended in this room, if either the SUBJECTREQ flag
4141 * is set, or if there is one or more Internet email recipients.
4143 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4144 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4145 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4146 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4148 /* If we're only checking the validity of the request, return
4149 * success without creating the message.
4152 cprintf("%d %s|%d\n", CIT_OK,
4153 ((valid_to != NULL) ? valid_to->display_recp : ""),
4155 free_recipients(valid_to);
4156 free_recipients(valid_cc);
4157 free_recipients(valid_bcc);
4161 /* We don't need these anymore because we'll do it differently below */
4162 free_recipients(valid_to);
4163 free_recipients(valid_cc);
4164 free_recipients(valid_bcc);
4166 /* Read in the message from the client. */
4168 cprintf("%d send message\n", START_CHAT_MODE);
4170 cprintf("%d send message\n", SEND_LISTING);
4173 msg = CtdlMakeMessage(&CC->user, recp, cc,
4174 CC->room.QRname, anonymous, format_type,
4175 newusername, newuseremail, subject,
4176 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4179 /* Put together one big recipients struct containing to/cc/bcc all in
4180 * one. This is for the envelope.
4182 char *all_recps = malloc(SIZ * 3);
4183 strcpy(all_recps, recp);
4184 if (!IsEmptyStr(cc)) {
4185 if (!IsEmptyStr(all_recps)) {
4186 strcat(all_recps, ",");
4188 strcat(all_recps, cc);
4190 if (!IsEmptyStr(bcc)) {
4191 if (!IsEmptyStr(all_recps)) {
4192 strcat(all_recps, ",");
4194 strcat(all_recps, bcc);
4196 if (!IsEmptyStr(all_recps)) {
4197 valid = validate_recipients(all_recps, NULL, 0);
4205 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4208 cprintf("%ld\n", msgnum);
4210 cprintf("Message accepted.\n");
4213 cprintf("Internal error.\n");
4215 if (msg->cm_fields['E'] != NULL) {
4216 cprintf("%s\n", msg->cm_fields['E']);
4223 CtdlFreeMessage(msg);
4225 if (valid != NULL) {
4226 free_recipients(valid);
4234 * API function to delete messages which match a set of criteria
4235 * (returns the actual number of messages deleted)
4237 int CtdlDeleteMessages(char *room_name, /* which room */
4238 long *dmsgnums, /* array of msg numbers to be deleted */
4239 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4240 char *content_type /* or "" for any. regular expressions expected. */
4243 struct ctdlroom qrbuf;
4244 struct cdbdata *cdbfr;
4245 long *msglist = NULL;
4246 long *dellist = NULL;
4249 int num_deleted = 0;
4251 struct MetaData smi;
4254 int need_to_free_re = 0;
4256 if (content_type) if (!IsEmptyStr(content_type)) {
4257 regcomp(&re, content_type, 0);
4258 need_to_free_re = 1;
4260 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4261 room_name, num_dmsgnums, content_type);
4263 /* get room record, obtaining a lock... */
4264 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4265 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4267 if (need_to_free_re) regfree(&re);
4268 return (0); /* room not found */
4270 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4272 if (cdbfr != NULL) {
4273 dellist = malloc(cdbfr->len);
4274 msglist = (long *) cdbfr->ptr;
4275 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4276 num_msgs = cdbfr->len / sizeof(long);
4280 for (i = 0; i < num_msgs; ++i) {
4283 /* Set/clear a bit for each criterion */
4285 /* 0 messages in the list or a null list means that we are
4286 * interested in deleting any messages which meet the other criteria.
4288 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4289 delete_this |= 0x01;
4292 for (j=0; j<num_dmsgnums; ++j) {
4293 if (msglist[i] == dmsgnums[j]) {
4294 delete_this |= 0x01;
4299 if (IsEmptyStr(content_type)) {
4300 delete_this |= 0x02;
4302 GetMetaData(&smi, msglist[i]);
4303 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4304 delete_this |= 0x02;
4308 /* Delete message only if all bits are set */
4309 if (delete_this == 0x03) {
4310 dellist[num_deleted++] = msglist[i];
4315 num_msgs = sort_msglist(msglist, num_msgs);
4316 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4317 msglist, (int)(num_msgs * sizeof(long)));
4320 qrbuf.QRhighest = msglist[num_msgs - 1];
4322 qrbuf.QRhighest = 0;
4324 CtdlPutRoomLock(&qrbuf);
4326 /* Go through the messages we pulled out of the index, and decrement
4327 * their reference counts by 1. If this is the only room the message
4328 * was in, the reference count will reach zero and the message will
4329 * automatically be deleted from the database. We do this in a
4330 * separate pass because there might be plug-in hooks getting called,
4331 * and we don't want that happening during an S_ROOMS critical
4334 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4335 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4336 AdjRefCount(dellist[i], -1);
4339 /* Now free the memory we used, and go away. */
4340 if (msglist != NULL) free(msglist);
4341 if (dellist != NULL) free(dellist);
4342 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4343 if (need_to_free_re) regfree(&re);
4344 return (num_deleted);
4350 * Check whether the current user has permission to delete messages from
4351 * the current room (returns 1 for yes, 0 for no)
4353 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4355 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4356 if (ra & UA_DELETEALLOWED) return(1);
4364 * Delete message from current room
4366 void cmd_dele(char *args)
4375 extract_token(msgset, args, 0, '|', sizeof msgset);
4376 num_msgs = num_tokens(msgset, ',');
4378 cprintf("%d Nothing to do.\n", CIT_OK);
4382 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4383 cprintf("%d Higher access required.\n",
4384 ERROR + HIGHER_ACCESS_REQUIRED);
4389 * Build our message set to be moved/copied
4391 msgs = malloc(num_msgs * sizeof(long));
4392 for (i=0; i<num_msgs; ++i) {
4393 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4394 msgs[i] = atol(msgtok);
4397 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4401 cprintf("%d %d message%s deleted.\n", CIT_OK,
4402 num_deleted, ((num_deleted != 1) ? "s" : ""));
4404 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4412 * move or copy a message to another room
4414 void cmd_move(char *args)
4421 char targ[ROOMNAMELEN];
4422 struct ctdlroom qtemp;
4429 extract_token(msgset, args, 0, '|', sizeof msgset);
4430 num_msgs = num_tokens(msgset, ',');
4432 cprintf("%d Nothing to do.\n", CIT_OK);
4436 extract_token(targ, args, 1, '|', sizeof targ);
4437 convert_room_name_macros(targ, sizeof targ);
4438 targ[ROOMNAMELEN - 1] = 0;
4439 is_copy = extract_int(args, 2);
4441 if (CtdlGetRoom(&qtemp, targ) != 0) {
4442 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4446 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4447 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4451 CtdlGetUser(&CC->user, CC->curr_user);
4452 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4454 /* Check for permission to perform this operation.
4455 * Remember: "CC->room" is source, "qtemp" is target.
4459 /* Aides can move/copy */
4460 if (CC->user.axlevel >= AxAideU) permit = 1;
4462 /* Room aides can move/copy */
4463 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4465 /* Permit move/copy from personal rooms */
4466 if ((CC->room.QRflags & QR_MAILBOX)
4467 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4469 /* Permit only copy from public to personal room */
4471 && (!(CC->room.QRflags & QR_MAILBOX))
4472 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4474 /* Permit message removal from collaborative delete rooms */
4475 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4477 /* Users allowed to post into the target room may move into it too. */
4478 if ((CC->room.QRflags & QR_MAILBOX) &&
4479 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4481 /* User must have access to target room */
4482 if (!(ra & UA_KNOWN)) permit = 0;
4485 cprintf("%d Higher access required.\n",
4486 ERROR + HIGHER_ACCESS_REQUIRED);
4491 * Build our message set to be moved/copied
4493 msgs = malloc(num_msgs * sizeof(long));
4494 for (i=0; i<num_msgs; ++i) {
4495 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4496 msgs[i] = atol(msgtok);
4502 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4504 cprintf("%d Cannot store message(s) in %s: error %d\n",
4510 /* Now delete the message from the source room,
4511 * if this is a 'move' rather than a 'copy' operation.
4514 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4518 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4524 * GetMetaData() - Get the supplementary record for a message
4526 void GetMetaData(struct MetaData *smibuf, long msgnum)
4529 struct cdbdata *cdbsmi;
4532 memset(smibuf, 0, sizeof(struct MetaData));
4533 smibuf->meta_msgnum = msgnum;
4534 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4536 /* Use the negative of the message number for its supp record index */
4537 TheIndex = (0L - msgnum);
4539 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4540 if (cdbsmi == NULL) {
4541 return; /* record not found; go with defaults */
4543 memcpy(smibuf, cdbsmi->ptr,
4544 ((cdbsmi->len > sizeof(struct MetaData)) ?
4545 sizeof(struct MetaData) : cdbsmi->len));
4552 * PutMetaData() - (re)write supplementary record for a message
4554 void PutMetaData(struct MetaData *smibuf)
4558 /* Use the negative of the message number for the metadata db index */
4559 TheIndex = (0L - smibuf->meta_msgnum);
4561 cdb_store(CDB_MSGMAIN,
4562 &TheIndex, (int)sizeof(long),
4563 smibuf, (int)sizeof(struct MetaData));
4568 * AdjRefCount - submit an adjustment to the reference count for a message.
4569 * (These are just queued -- we actually process them later.)
4571 void AdjRefCount(long msgnum, int incr)
4573 struct arcq new_arcq;
4576 CtdlLogPrintf(CTDL_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4580 begin_critical_section(S_SUPPMSGMAIN);
4581 if (arcfp == NULL) {
4582 arcfp = fopen(file_arcq, "ab+");
4584 end_critical_section(S_SUPPMSGMAIN);
4586 /* msgnum < 0 means that we're trying to close the file */
4588 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4589 begin_critical_section(S_SUPPMSGMAIN);
4590 if (arcfp != NULL) {
4594 end_critical_section(S_SUPPMSGMAIN);
4599 * If we can't open the queue, perform the operation synchronously.
4601 if (arcfp == NULL) {
4602 TDAP_AdjRefCount(msgnum, incr);
4606 new_arcq.arcq_msgnum = msgnum;
4607 new_arcq.arcq_delta = incr;
4608 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4616 * TDAP_ProcessAdjRefCountQueue()
4618 * Process the queue of message count adjustments that was created by calls
4619 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4620 * for each one. This should be an "off hours" operation.
4622 int TDAP_ProcessAdjRefCountQueue(void)
4624 char file_arcq_temp[PATH_MAX];
4627 struct arcq arcq_rec;
4628 int num_records_processed = 0;
4630 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4632 begin_critical_section(S_SUPPMSGMAIN);
4633 if (arcfp != NULL) {
4638 r = link(file_arcq, file_arcq_temp);
4640 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4641 end_critical_section(S_SUPPMSGMAIN);
4642 return(num_records_processed);
4646 end_critical_section(S_SUPPMSGMAIN);
4648 fp = fopen(file_arcq_temp, "rb");
4650 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4651 return(num_records_processed);
4654 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4655 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4656 ++num_records_processed;
4660 r = unlink(file_arcq_temp);
4662 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4665 return(num_records_processed);
4671 * TDAP_AdjRefCount - adjust the reference count for a message.
4672 * This one does it "for real" because it's called by
4673 * the autopurger function that processes the queue
4674 * created by AdjRefCount(). If a message's reference
4675 * count becomes zero, we also delete the message from
4676 * disk and de-index it.
4678 void TDAP_AdjRefCount(long msgnum, int incr)
4681 struct MetaData smi;
4684 /* This is a *tight* critical section; please keep it that way, as
4685 * it may get called while nested in other critical sections.
4686 * Complicating this any further will surely cause deadlock!
4688 begin_critical_section(S_SUPPMSGMAIN);
4689 GetMetaData(&smi, msgnum);
4690 smi.meta_refcount += incr;
4692 end_critical_section(S_SUPPMSGMAIN);
4693 CtdlLogPrintf(CTDL_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4694 msgnum, incr, smi.meta_refcount
4697 /* If the reference count is now zero, delete the message
4698 * (and its supplementary record as well).
4700 if (smi.meta_refcount == 0) {
4701 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4703 /* Call delete hooks with NULL room to show it has gone altogether */
4704 PerformDeleteHooks(NULL, msgnum);
4706 /* Remove from message base */
4708 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4709 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4711 /* Remove metadata record */
4712 delnum = (0L - msgnum);
4713 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4719 * Write a generic object to this room
4721 * Note: this could be much more efficient. Right now we use two temporary
4722 * files, and still pull the message into memory as with all others.
4724 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4725 char *content_type, /* MIME type of this object */
4726 char *raw_message, /* Data to be written */
4727 off_t raw_length, /* Size of raw_message */
4728 struct ctdluser *is_mailbox, /* Mailbox room? */
4729 int is_binary, /* Is encoding necessary? */
4730 int is_unique, /* Del others of this type? */
4731 unsigned int flags /* Internal save flags */
4735 struct ctdlroom qrbuf;
4736 char roomname[ROOMNAMELEN];
4737 struct CtdlMessage *msg;
4738 char *encoded_message = NULL;
4740 if (is_mailbox != NULL) {
4741 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4744 safestrncpy(roomname, req_room, sizeof(roomname));
4747 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4750 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4753 encoded_message = malloc((size_t)(raw_length + 4096));
4756 sprintf(encoded_message, "Content-type: %s\n", content_type);
4759 sprintf(&encoded_message[strlen(encoded_message)],
4760 "Content-transfer-encoding: base64\n\n"
4764 sprintf(&encoded_message[strlen(encoded_message)],
4765 "Content-transfer-encoding: 7bit\n\n"
4771 &encoded_message[strlen(encoded_message)],
4779 &encoded_message[strlen(encoded_message)],
4785 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4786 msg = malloc(sizeof(struct CtdlMessage));
4787 memset(msg, 0, sizeof(struct CtdlMessage));
4788 msg->cm_magic = CTDLMESSAGE_MAGIC;
4789 msg->cm_anon_type = MES_NORMAL;
4790 msg->cm_format_type = 4;
4791 msg->cm_fields['A'] = strdup(CC->user.fullname);
4792 msg->cm_fields['O'] = strdup(req_room);
4793 msg->cm_fields['N'] = strdup(config.c_nodename);
4794 msg->cm_fields['H'] = strdup(config.c_humannode);
4795 msg->cm_flags = flags;
4797 msg->cm_fields['M'] = encoded_message;
4799 /* Create the requested room if we have to. */
4800 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4801 CtdlCreateRoom(roomname,
4802 ( (is_mailbox != NULL) ? 5 : 3 ),
4803 "", 0, 1, 0, VIEW_BBS);
4805 /* If the caller specified this object as unique, delete all
4806 * other objects of this type that are currently in the room.
4809 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4810 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4813 /* Now write the data */
4814 CtdlSubmitMsg(msg, NULL, roomname, 0);
4815 CtdlFreeMessage(msg);
4823 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4824 config_msgnum = msgnum;
4828 char *CtdlGetSysConfig(char *sysconfname) {
4829 char hold_rm[ROOMNAMELEN];
4832 struct CtdlMessage *msg;
4835 strcpy(hold_rm, CC->room.QRname);
4836 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4837 CtdlGetRoom(&CC->room, hold_rm);
4842 /* We want the last (and probably only) config in this room */
4843 begin_critical_section(S_CONFIG);
4844 config_msgnum = (-1L);
4845 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4846 CtdlGetSysConfigBackend, NULL);
4847 msgnum = config_msgnum;
4848 end_critical_section(S_CONFIG);
4854 msg = CtdlFetchMessage(msgnum, 1);
4856 conf = strdup(msg->cm_fields['M']);
4857 CtdlFreeMessage(msg);
4864 CtdlGetRoom(&CC->room, hold_rm);
4866 if (conf != NULL) do {
4867 extract_token(buf, conf, 0, '\n', sizeof buf);
4868 strcpy(conf, &conf[strlen(buf)+1]);
4869 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4875 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4876 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4881 * Determine whether a given Internet address belongs to the current user
4883 int CtdlIsMe(char *addr, int addr_buf_len)
4885 struct recptypes *recp;
4888 recp = validate_recipients(addr, NULL, 0);
4889 if (recp == NULL) return(0);
4891 if (recp->num_local == 0) {
4892 free_recipients(recp);
4896 for (i=0; i<recp->num_local; ++i) {
4897 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4898 if (!strcasecmp(addr, CC->user.fullname)) {
4899 free_recipients(recp);
4904 free_recipients(recp);
4910 * Citadel protocol command to do the same
4912 void cmd_isme(char *argbuf) {
4915 if (CtdlAccessCheck(ac_logged_in)) return;
4916 extract_token(addr, argbuf, 0, '|', sizeof addr);
4918 if (CtdlIsMe(addr, sizeof addr)) {
4919 cprintf("%d %s\n", CIT_OK, addr);
4922 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
4928 /*****************************************************************************/
4929 /* MODULE INITIALIZATION STUFF */
4930 /*****************************************************************************/
4932 CTDL_MODULE_INIT(msgbase)
4935 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
4936 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
4937 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
4938 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
4939 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
4940 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
4941 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
4942 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
4943 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
4944 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
4945 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
4946 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
4949 /* return our Subversion id for the Log */