4 * Implements the message store.
6 * Copyright (c) 1987-2009 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);
314 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
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_EQ) && (thismsg == ref))
766 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
768 CallBack(lastold, userdata);
772 if (CallBack) CallBack(thismsg, userdata);
776 cdb_free(cdbfr); /* Clean up */
777 if (need_to_free_re) regfree(&re);
778 return num_processed;
784 * cmd_msgs() - get list of message #'s in this room
785 * implements the MSGS server command using CtdlForEachMessage()
787 void cmd_msgs(char *cmdbuf)
796 int with_template = 0;
797 struct CtdlMessage *template = NULL;
798 char search_string[1024];
799 ForEachMsgCallback CallBack;
801 extract_token(which, cmdbuf, 0, '|', sizeof which);
802 cm_ref = extract_int(cmdbuf, 1);
803 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
804 with_template = extract_int(cmdbuf, 2);
805 switch (extract_int(cmdbuf, 3))
809 CallBack = simple_listing;
812 CallBack = headers_listing;
815 CallBack = headers_euid;
820 if (!strncasecmp(which, "OLD", 3))
822 else if (!strncasecmp(which, "NEW", 3))
824 else if (!strncasecmp(which, "FIRST", 5))
826 else if (!strncasecmp(which, "LAST", 4))
828 else if (!strncasecmp(which, "GT", 2))
830 else if (!strncasecmp(which, "SEARCH", 6))
835 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
836 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
840 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
841 cprintf("%d Full text index is not enabled on this server.\n",
842 ERROR + CMD_NOT_SUPPORTED);
848 cprintf("%d Send template then receive message list\n",
850 template = (struct CtdlMessage *)
851 malloc(sizeof(struct CtdlMessage));
852 memset(template, 0, sizeof(struct CtdlMessage));
853 template->cm_magic = CTDLMESSAGE_MAGIC;
854 template->cm_anon_type = MES_NORMAL;
856 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
857 extract_token(tfield, buf, 0, '|', sizeof tfield);
858 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
859 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
860 if (!strcasecmp(tfield, msgkeys[i])) {
861 template->cm_fields[i] =
869 cprintf("%d \n", LISTING_FOLLOWS);
872 CtdlForEachMessage(mode,
873 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
874 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
879 if (template != NULL) CtdlFreeMessage(template);
887 * help_subst() - support routine for help file viewer
889 void help_subst(char *strbuf, char *source, char *dest)
894 while (p = pattern2(strbuf, source), (p >= 0)) {
895 strcpy(workbuf, &strbuf[p + strlen(source)]);
896 strcpy(&strbuf[p], dest);
897 strcat(strbuf, workbuf);
902 void do_help_subst(char *buffer)
906 help_subst(buffer, "^nodename", config.c_nodename);
907 help_subst(buffer, "^humannode", config.c_humannode);
908 help_subst(buffer, "^fqdn", config.c_fqdn);
909 help_subst(buffer, "^username", CC->user.fullname);
910 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
911 help_subst(buffer, "^usernum", buf2);
912 help_subst(buffer, "^sysadm", config.c_sysadm);
913 help_subst(buffer, "^variantname", CITADEL);
914 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
915 help_subst(buffer, "^maxsessions", buf2);
916 help_subst(buffer, "^bbsdir", ctdl_message_dir);
922 * memfmout() - Citadel text formatter and paginator.
923 * Although the original purpose of this routine was to format
924 * text to the reader's screen width, all we're really using it
925 * for here is to format text out to 80 columns before sending it
926 * to the client. The client software may reformat it again.
929 char *mptr, /* where are we going to get our text from? */
930 char subst, /* nonzero if we should do substitutions */
931 char *nl) /* string to terminate lines with */
939 static int width = 80;
944 c = 1; /* c is the current pos */
948 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
950 buffer[strlen(buffer) + 1] = 0;
951 buffer[strlen(buffer)] = ch;
954 if (buffer[0] == '^')
955 do_help_subst(buffer);
957 buffer[strlen(buffer) + 1] = 0;
959 strcpy(buffer, &buffer[1]);
967 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10)) {
970 if (((old == 13) || (old == 10)) && (isspace(real))) {
975 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
976 cprintf("%s%s", nl, aaa);
985 if ((strlen(aaa) + c) > (width - 5)) {
994 if ((ch == 13) || (ch == 10)) {
995 cprintf("%s%s", aaa, nl);
1002 cprintf("%s%s", aaa, nl);
1008 * Callback function for mime parser that simply lists the part
1010 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1011 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1012 char *cbid, void *cbuserdata)
1016 ma = (struct ma_info *)cbuserdata;
1017 if (ma->is_ma == 0) {
1018 cprintf("part=%s|%s|%s|%s|%s|%ld|%s\n",
1019 name, filename, partnum, disp, cbtype, (long)length, cbid);
1024 * Callback function for multipart prefix
1026 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1027 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1028 char *cbid, void *cbuserdata)
1032 ma = (struct ma_info *)cbuserdata;
1033 if (!strcasecmp(cbtype, "multipart/alternative")) {
1037 if (ma->is_ma == 0) {
1038 cprintf("pref=%s|%s\n", partnum, cbtype);
1043 * Callback function for multipart sufffix
1045 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1046 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1047 char *cbid, void *cbuserdata)
1051 ma = (struct ma_info *)cbuserdata;
1052 if (ma->is_ma == 0) {
1053 cprintf("suff=%s|%s\n", partnum, cbtype);
1055 if (!strcasecmp(cbtype, "multipart/alternative")) {
1062 * Callback function for mime parser that opens a section for downloading
1064 void mime_download(char *name, char *filename, char *partnum, char *disp,
1065 void *content, char *cbtype, char *cbcharset, size_t length,
1066 char *encoding, char *cbid, void *cbuserdata)
1070 /* Silently go away if there's already a download open. */
1071 if (CC->download_fp != NULL)
1075 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1076 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1078 CC->download_fp = tmpfile();
1079 if (CC->download_fp == NULL)
1082 rv = fwrite(content, length, 1, CC->download_fp);
1083 fflush(CC->download_fp);
1084 rewind(CC->download_fp);
1086 OpenCmdResult(filename, cbtype);
1093 * Callback function for mime parser that outputs a section all at once.
1094 * We can specify the desired section by part number *or* content-id.
1096 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1097 void *content, char *cbtype, char *cbcharset, size_t length,
1098 char *encoding, char *cbid, void *cbuserdata)
1100 int *found_it = (int *)cbuserdata;
1103 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1104 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1107 cprintf("%d %d|-1|%s|%s\n",
1113 client_write(content, length);
1120 * Load a message from disk into memory.
1121 * This is used by CtdlOutputMsg() and other fetch functions.
1123 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1124 * using the CtdlMessageFree() function.
1126 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1128 struct cdbdata *dmsgtext;
1129 struct CtdlMessage *ret = NULL;
1133 cit_uint8_t field_header;
1135 CtdlLogPrintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1137 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1138 if (dmsgtext == NULL) {
1141 mptr = dmsgtext->ptr;
1142 upper_bound = mptr + dmsgtext->len;
1144 /* Parse the three bytes that begin EVERY message on disk.
1145 * The first is always 0xFF, the on-disk magic number.
1146 * The second is the anonymous/public type byte.
1147 * The third is the format type byte (vari, fixed, or MIME).
1151 CtdlLogPrintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1155 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1156 memset(ret, 0, sizeof(struct CtdlMessage));
1158 ret->cm_magic = CTDLMESSAGE_MAGIC;
1159 ret->cm_anon_type = *mptr++; /* Anon type byte */
1160 ret->cm_format_type = *mptr++; /* Format type byte */
1163 * The rest is zero or more arbitrary fields. Load them in.
1164 * We're done when we encounter either a zero-length field or
1165 * have just processed the 'M' (message text) field.
1168 if (mptr >= upper_bound) {
1171 field_header = *mptr++;
1172 ret->cm_fields[field_header] = strdup(mptr);
1174 while (*mptr++ != 0); /* advance to next field */
1176 } while ((mptr < upper_bound) && (field_header != 'M'));
1180 /* Always make sure there's something in the msg text field. If
1181 * it's NULL, the message text is most likely stored separately,
1182 * so go ahead and fetch that. Failing that, just set a dummy
1183 * body so other code doesn't barf.
1185 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1186 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1187 if (dmsgtext != NULL) {
1188 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1192 if (ret->cm_fields['M'] == NULL) {
1193 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1196 /* Perform "before read" hooks (aborting if any return nonzero) */
1197 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1198 CtdlFreeMessage(ret);
1207 * Returns 1 if the supplied pointer points to a valid Citadel message.
1208 * If the pointer is NULL or the magic number check fails, returns 0.
1210 int is_valid_message(struct CtdlMessage *msg) {
1213 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1214 CtdlLogPrintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1222 * 'Destructor' for struct CtdlMessage
1224 void CtdlFreeMessage(struct CtdlMessage *msg)
1228 if (is_valid_message(msg) == 0)
1230 if (msg != NULL) free (msg);
1234 for (i = 0; i < 256; ++i)
1235 if (msg->cm_fields[i] != NULL) {
1236 free(msg->cm_fields[i]);
1239 msg->cm_magic = 0; /* just in case */
1245 * Pre callback function for multipart/alternative
1247 * NOTE: this differs from the standard behavior for a reason. Normally when
1248 * displaying multipart/alternative you want to show the _last_ usable
1249 * format in the message. Here we show the _first_ one, because it's
1250 * usually text/plain. Since this set of functions is designed for text
1251 * output to non-MIME-aware clients, this is the desired behavior.
1254 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1255 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1256 char *cbid, void *cbuserdata)
1260 ma = (struct ma_info *)cbuserdata;
1261 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1262 if (!strcasecmp(cbtype, "multipart/alternative")) {
1266 if (!strcasecmp(cbtype, "message/rfc822")) {
1272 * Post callback function for multipart/alternative
1274 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1275 void *content, char *cbtype, char *cbcharset, size_t length,
1276 char *encoding, char *cbid, void *cbuserdata)
1280 ma = (struct ma_info *)cbuserdata;
1281 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1282 if (!strcasecmp(cbtype, "multipart/alternative")) {
1286 if (!strcasecmp(cbtype, "message/rfc822")) {
1292 * Inline callback function for mime parser that wants to display text
1294 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1295 void *content, char *cbtype, char *cbcharset, size_t length,
1296 char *encoding, char *cbid, void *cbuserdata)
1303 ma = (struct ma_info *)cbuserdata;
1305 CtdlLogPrintf(CTDL_DEBUG,
1306 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1307 partnum, filename, cbtype, (long)length);
1310 * If we're in the middle of a multipart/alternative scope and
1311 * we've already printed another section, skip this one.
1313 if ( (ma->is_ma) && (ma->did_print) ) {
1314 CtdlLogPrintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1319 if ( (!strcasecmp(cbtype, "text/plain"))
1320 || (IsEmptyStr(cbtype)) ) {
1323 client_write(wptr, length);
1324 if (wptr[length-1] != '\n') {
1331 if (!strcasecmp(cbtype, "text/html")) {
1332 ptr = html_to_ascii(content, length, 80, 0);
1334 client_write(ptr, wlen);
1335 if (ptr[wlen-1] != '\n') {
1342 if (ma->use_fo_hooks) {
1343 if (PerformFixedOutputHooks(cbtype, content, length)) {
1344 /* above function returns nonzero if it handled the part */
1349 if (strncasecmp(cbtype, "multipart/", 10)) {
1350 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1351 partnum, filename, cbtype, (long)length);
1357 * The client is elegant and sophisticated and wants to be choosy about
1358 * MIME content types, so figure out which multipart/alternative part
1359 * we're going to send.
1361 * We use a system of weights. When we find a part that matches one of the
1362 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1363 * and then set ma->chosen_pref to that MIME type's position in our preference
1364 * list. If we then hit another match, we only replace the first match if
1365 * the preference value is lower.
1367 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1368 void *content, char *cbtype, char *cbcharset, size_t length,
1369 char *encoding, char *cbid, void *cbuserdata)
1375 ma = (struct ma_info *)cbuserdata;
1377 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1378 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1379 // I don't know if there are any side effects! Please TEST TEST TEST
1380 //if (ma->is_ma > 0) {
1382 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1383 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1384 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1385 if (i < ma->chosen_pref) {
1386 CtdlLogPrintf(CTDL_DEBUG, "Setting chosen part: <%s>\n", partnum);
1387 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1388 ma->chosen_pref = i;
1395 * Now that we've chosen our preferred part, output it.
1397 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1398 void *content, char *cbtype, char *cbcharset, size_t length,
1399 char *encoding, char *cbid, void *cbuserdata)
1403 int add_newline = 0;
1407 ma = (struct ma_info *)cbuserdata;
1409 /* This is not the MIME part you're looking for... */
1410 if (strcasecmp(partnum, ma->chosen_part)) return;
1412 /* If the content-type of this part is in our preferred formats
1413 * list, we can simply output it verbatim.
1415 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1416 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1417 if (!strcasecmp(buf, cbtype)) {
1418 /* Yeah! Go! W00t!! */
1420 text_content = (char *)content;
1421 if (text_content[length-1] != '\n') {
1424 cprintf("Content-type: %s", cbtype);
1425 if (!IsEmptyStr(cbcharset)) {
1426 cprintf("; charset=%s", cbcharset);
1428 cprintf("\nContent-length: %d\n",
1429 (int)(length + add_newline) );
1430 if (!IsEmptyStr(encoding)) {
1431 cprintf("Content-transfer-encoding: %s\n", encoding);
1434 cprintf("Content-transfer-encoding: 7bit\n");
1436 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1438 client_write(content, length);
1439 if (add_newline) cprintf("\n");
1444 /* No translations required or possible: output as text/plain */
1445 cprintf("Content-type: text/plain\n\n");
1446 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1447 length, encoding, cbid, cbuserdata);
1452 char desired_section[64];
1459 * Callback function for
1461 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1462 void *content, char *cbtype, char *cbcharset, size_t length,
1463 char *encoding, char *cbid, void *cbuserdata)
1465 struct encapmsg *encap;
1467 encap = (struct encapmsg *)cbuserdata;
1469 /* Only proceed if this is the desired section... */
1470 if (!strcasecmp(encap->desired_section, partnum)) {
1471 encap->msglen = length;
1472 encap->msg = malloc(length + 2);
1473 memcpy(encap->msg, content, length);
1484 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1485 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1486 return(om_not_logged_in);
1493 * Get a message off disk. (returns om_* values found in msgbase.h)
1496 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1497 int mode, /* how would you like that message? */
1498 int headers_only, /* eschew the message body? */
1499 int do_proto, /* do Citadel protocol responses? */
1500 int crlf, /* Use CRLF newlines instead of LF? */
1501 char *section, /* NULL or a message/rfc822 section */
1502 int flags /* various flags; see msgbase.h */
1504 struct CtdlMessage *TheMessage = NULL;
1505 int retcode = om_no_such_msg;
1506 struct encapmsg encap;
1509 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1511 (section ? section : "<>")
1514 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1517 if (r == om_not_logged_in) {
1518 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1521 cprintf("%d An unknown error has occurred.\n", ERROR);
1527 /* FIXME: check message id against msglist for this room */
1530 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1531 * request that we don't even bother loading the body into memory.
1533 if (headers_only == HEADERS_FAST) {
1534 TheMessage = CtdlFetchMessage(msg_num, 0);
1537 TheMessage = CtdlFetchMessage(msg_num, 1);
1540 if (TheMessage == NULL) {
1541 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1542 ERROR + MESSAGE_NOT_FOUND, msg_num);
1543 return(om_no_such_msg);
1546 /* Here is the weird form of this command, to process only an
1547 * encapsulated message/rfc822 section.
1549 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1550 memset(&encap, 0, sizeof encap);
1551 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1552 mime_parser(TheMessage->cm_fields['M'],
1554 *extract_encapsulated_message,
1555 NULL, NULL, (void *)&encap, 0
1557 CtdlFreeMessage(TheMessage);
1561 encap.msg[encap.msglen] = 0;
1562 TheMessage = convert_internet_message(encap.msg);
1563 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1565 /* Now we let it fall through to the bottom of this
1566 * function, because TheMessage now contains the
1567 * encapsulated message instead of the top-level
1568 * message. Isn't that neat?
1573 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1574 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1575 retcode = om_no_such_msg;
1580 /* Ok, output the message now */
1581 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1582 CtdlFreeMessage(TheMessage);
1588 char *qp_encode_email_addrs(char *source)
1590 char user[256], node[256], name[256];
1591 const char headerStr[] = "=?UTF-8?Q?";
1595 int need_to_encode = 0;
1601 long nAddrPtrMax = 50;
1606 if (source == NULL) return source;
1607 if (IsEmptyStr(source)) return source;
1609 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1610 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1611 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1614 while (!IsEmptyStr (&source[i])) {
1615 if (nColons >= nAddrPtrMax){
1618 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1619 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1620 free (AddrPtr), AddrPtr = ptr;
1622 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1623 memset(&ptr[nAddrPtrMax], 0,
1624 sizeof (long) * nAddrPtrMax);
1626 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1627 free (AddrUtf8), AddrUtf8 = ptr;
1630 if (((unsigned char) source[i] < 32) ||
1631 ((unsigned char) source[i] > 126)) {
1633 AddrUtf8[nColons] = 1;
1635 if (source[i] == '"')
1636 InQuotes = !InQuotes;
1637 if (!InQuotes && source[i] == ',') {
1638 AddrPtr[nColons] = i;
1643 if (need_to_encode == 0) {
1650 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1651 Encoded = (char*) malloc (EncodedMaxLen);
1653 for (i = 0; i < nColons; i++)
1654 source[AddrPtr[i]++] = '\0';
1658 for (i = 0; i < nColons && nPtr != NULL; i++) {
1659 nmax = EncodedMaxLen - (nPtr - Encoded);
1661 process_rfc822_addr(&source[AddrPtr[i]],
1665 /* TODO: libIDN here ! */
1666 if (IsEmptyStr(name)) {
1667 n = snprintf(nPtr, nmax,
1668 (i==0)?"%s@%s" : ",%s@%s",
1672 EncodedName = rfc2047encode(name, strlen(name));
1673 n = snprintf(nPtr, nmax,
1674 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1675 EncodedName, user, node);
1680 n = snprintf(nPtr, nmax,
1681 (i==0)?"%s" : ",%s",
1682 &source[AddrPtr[i]]);
1688 ptr = (char*) malloc(EncodedMaxLen * 2);
1689 memcpy(ptr, Encoded, EncodedMaxLen);
1690 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1691 free(Encoded), Encoded = ptr;
1693 i--; /* do it once more with properly lengthened buffer */
1696 for (i = 0; i < nColons; i++)
1697 source[--AddrPtr[i]] = ',';
1704 /* If the last item in a list of recipients was truncated to a partial address,
1705 * remove it completely in order to avoid choking libSieve
1707 void sanitize_truncated_recipient(char *str)
1710 if (num_tokens(str, ',') < 2) return;
1712 int len = strlen(str);
1713 if (len < 900) return;
1714 if (len > 998) str[998] = 0;
1716 char *cptr = strrchr(str, ',');
1719 char *lptr = strchr(cptr, '<');
1720 char *rptr = strchr(cptr, '>');
1722 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1730 * Get a message off disk. (returns om_* values found in msgbase.h)
1732 int CtdlOutputPreLoadedMsg(
1733 struct CtdlMessage *TheMessage,
1734 int mode, /* how would you like that message? */
1735 int headers_only, /* eschew the message body? */
1736 int do_proto, /* do Citadel protocol responses? */
1737 int crlf, /* Use CRLF newlines instead of LF? */
1738 int flags /* should the bessage be exported clean? */
1742 cit_uint8_t ch, prev_ch;
1744 char display_name[256];
1746 char *nl; /* newline string */
1748 int subject_found = 0;
1751 /* Buffers needed for RFC822 translation. These are all filled
1752 * using functions that are bounds-checked, and therefore we can
1753 * make them substantially smaller than SIZ.
1760 char datestamp[100];
1762 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1763 ((TheMessage == NULL) ? "NULL" : "not null"),
1764 mode, headers_only, do_proto, crlf);
1766 strcpy(mid, "unknown");
1767 nl = (crlf ? "\r\n" : "\n");
1769 if (!is_valid_message(TheMessage)) {
1770 CtdlLogPrintf(CTDL_ERR,
1771 "ERROR: invalid preloaded message for output\n");
1773 return(om_no_such_msg);
1776 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
1777 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
1779 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
1780 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
1783 /* Are we downloading a MIME component? */
1784 if (mode == MT_DOWNLOAD) {
1785 if (TheMessage->cm_format_type != FMT_RFC822) {
1787 cprintf("%d This is not a MIME message.\n",
1788 ERROR + ILLEGAL_VALUE);
1789 } else if (CC->download_fp != NULL) {
1790 if (do_proto) cprintf(
1791 "%d You already have a download open.\n",
1792 ERROR + RESOURCE_BUSY);
1794 /* Parse the message text component */
1795 mptr = TheMessage->cm_fields['M'];
1796 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1797 /* If there's no file open by this time, the requested
1798 * section wasn't found, so print an error
1800 if (CC->download_fp == NULL) {
1801 if (do_proto) cprintf(
1802 "%d Section %s not found.\n",
1803 ERROR + FILE_NOT_FOUND,
1804 CC->download_desired_section);
1807 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1810 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1811 * in a single server operation instead of opening a download file.
1813 if (mode == MT_SPEW_SECTION) {
1814 if (TheMessage->cm_format_type != FMT_RFC822) {
1816 cprintf("%d This is not a MIME message.\n",
1817 ERROR + ILLEGAL_VALUE);
1819 /* Parse the message text component */
1822 mptr = TheMessage->cm_fields['M'];
1823 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1824 /* If section wasn't found, print an error
1827 if (do_proto) cprintf(
1828 "%d Section %s not found.\n",
1829 ERROR + FILE_NOT_FOUND,
1830 CC->download_desired_section);
1833 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1836 /* now for the user-mode message reading loops */
1837 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1839 /* Does the caller want to skip the headers? */
1840 if (headers_only == HEADERS_NONE) goto START_TEXT;
1842 /* Tell the client which format type we're using. */
1843 if ( (mode == MT_CITADEL) && (do_proto) ) {
1844 cprintf("type=%d\n", TheMessage->cm_format_type);
1847 /* nhdr=yes means that we're only displaying headers, no body */
1848 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1849 && ((mode == MT_CITADEL) || (mode == MT_MIME))
1852 cprintf("nhdr=yes\n");
1855 /* begin header processing loop for Citadel message format */
1857 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1859 safestrncpy(display_name, "<unknown>", sizeof display_name);
1860 if (TheMessage->cm_fields['A']) {
1861 strcpy(buf, TheMessage->cm_fields['A']);
1862 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1863 safestrncpy(display_name, "****", sizeof display_name);
1865 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1866 safestrncpy(display_name, "anonymous", sizeof display_name);
1869 safestrncpy(display_name, buf, sizeof display_name);
1871 if ((is_room_aide())
1872 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1873 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1874 size_t tmp = strlen(display_name);
1875 snprintf(&display_name[tmp],
1876 sizeof display_name - tmp,
1881 /* Don't show Internet address for users on the
1882 * local Citadel network.
1885 if (TheMessage->cm_fields['N'] != NULL)
1886 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1887 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1891 /* Now spew the header fields in the order we like them. */
1892 safestrncpy(allkeys, FORDER, sizeof allkeys);
1893 for (i=0; i<strlen(allkeys); ++i) {
1894 k = (int) allkeys[i];
1896 if ( (TheMessage->cm_fields[k] != NULL)
1897 && (msgkeys[k] != NULL) ) {
1898 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1899 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1902 if (do_proto) cprintf("%s=%s\n",
1906 else if ((k == 'F') && (suppress_f)) {
1909 /* Masquerade display name if needed */
1911 if (do_proto) cprintf("%s=%s\n",
1913 TheMessage->cm_fields[k]
1922 /* begin header processing loop for RFC822 transfer format */
1927 strcpy(snode, NODENAME);
1928 if (mode == MT_RFC822) {
1929 for (i = 0; i < 256; ++i) {
1930 if (TheMessage->cm_fields[i]) {
1931 mptr = mpptr = TheMessage->cm_fields[i];
1934 safestrncpy(luser, mptr, sizeof luser);
1935 safestrncpy(suser, mptr, sizeof suser);
1937 else if (i == 'Y') {
1938 if ((flags & QP_EADDR) != 0) {
1939 mptr = qp_encode_email_addrs(mptr);
1941 sanitize_truncated_recipient(mptr);
1942 cprintf("CC: %s%s", mptr, nl);
1944 else if (i == 'P') {
1945 cprintf("Return-Path: %s%s", mptr, nl);
1947 else if (i == 'L') {
1948 cprintf("List-ID: %s%s", mptr, nl);
1950 else if (i == 'V') {
1951 if ((flags & QP_EADDR) != 0)
1952 mptr = qp_encode_email_addrs(mptr);
1953 cprintf("Envelope-To: %s%s", mptr, nl);
1955 else if (i == 'U') {
1956 cprintf("Subject: %s%s", mptr, nl);
1960 safestrncpy(mid, mptr, sizeof mid);
1962 safestrncpy(fuser, mptr, sizeof fuser);
1963 /* else if (i == 'O')
1964 cprintf("X-Citadel-Room: %s%s",
1967 safestrncpy(snode, mptr, sizeof snode);
1970 if (haschar(mptr, '@') == 0)
1972 sanitize_truncated_recipient(mptr);
1973 cprintf("To: %s@%s", mptr, config.c_fqdn);
1978 if ((flags & QP_EADDR) != 0) {
1979 mptr = qp_encode_email_addrs(mptr);
1981 sanitize_truncated_recipient(mptr);
1982 cprintf("To: %s", mptr);
1986 else if (i == 'T') {
1987 datestring(datestamp, sizeof datestamp,
1988 atol(mptr), DATESTRING_RFC822);
1989 cprintf("Date: %s%s", datestamp, nl);
1991 else if (i == 'W') {
1992 cprintf("References: ");
1993 k = num_tokens(mptr, '|');
1994 for (j=0; j<k; ++j) {
1995 extract_token(buf, mptr, j, '|', sizeof buf);
1996 cprintf("<%s>", buf);
2009 if (subject_found == 0) {
2010 cprintf("Subject: (no subject)%s", nl);
2014 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2015 suser[i] = tolower(suser[i]);
2016 if (!isalnum(suser[i])) suser[i]='_';
2019 if (mode == MT_RFC822) {
2020 if (!strcasecmp(snode, NODENAME)) {
2021 safestrncpy(snode, FQDN, sizeof snode);
2024 /* Construct a fun message id */
2025 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2026 if (strchr(mid, '@')==NULL) {
2027 cprintf("@%s", snode);
2031 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2032 cprintf("From: \"----\" <x@x.org>%s", nl);
2034 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2035 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2037 else if (!IsEmptyStr(fuser)) {
2038 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2041 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2044 /* Blank line signifying RFC822 end-of-headers */
2045 if (TheMessage->cm_format_type != FMT_RFC822) {
2050 /* end header processing loop ... at this point, we're in the text */
2052 if (headers_only == HEADERS_FAST) goto DONE;
2053 mptr = TheMessage->cm_fields['M'];
2055 /* Tell the client about the MIME parts in this message */
2056 if (TheMessage->cm_format_type == FMT_RFC822) {
2057 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2058 memset(&ma, 0, sizeof(struct ma_info));
2059 mime_parser(mptr, NULL,
2060 (do_proto ? *list_this_part : NULL),
2061 (do_proto ? *list_this_pref : NULL),
2062 (do_proto ? *list_this_suff : NULL),
2065 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2066 char *start_of_text = NULL;
2067 start_of_text = strstr(mptr, "\n\r\n");
2068 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
2069 if (start_of_text == NULL) start_of_text = mptr;
2071 start_of_text = strstr(start_of_text, "\n");
2076 int nllen = strlen(nl);
2078 while (ch=*mptr, ch!=0) {
2084 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
2085 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
2086 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
2089 sprintf(&outbuf[outlen], "%s", nl);
2093 outbuf[outlen++] = ch;
2097 if (flags & ESC_DOT)
2099 if ((prev_ch == 10) && (ch == '.') && ((*(mptr+1) == 13) || (*(mptr+1) == 10)))
2101 outbuf[outlen++] = '.';
2106 if (outlen > 1000) {
2107 client_write(outbuf, outlen);
2112 client_write(outbuf, outlen);
2120 if (headers_only == HEADERS_ONLY) {
2124 /* signify start of msg text */
2125 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2126 if (do_proto) cprintf("text\n");
2129 /* If the format type on disk is 1 (fixed-format), then we want
2130 * everything to be output completely literally ... regardless of
2131 * what message transfer format is in use.
2133 if (TheMessage->cm_format_type == FMT_FIXED) {
2135 if (mode == MT_MIME) {
2136 cprintf("Content-type: text/plain\n\n");
2140 while (ch = *mptr++, ch > 0) {
2143 if ((ch == 10) || (buflen > 250)) {
2145 cprintf("%s%s", buf, nl);
2154 if (!IsEmptyStr(buf))
2155 cprintf("%s%s", buf, nl);
2158 /* If the message on disk is format 0 (Citadel vari-format), we
2159 * output using the formatter at 80 columns. This is the final output
2160 * form if the transfer format is RFC822, but if the transfer format
2161 * is Citadel proprietary, it'll still work, because the indentation
2162 * for new paragraphs is correct and the client will reformat the
2163 * message to the reader's screen width.
2165 if (TheMessage->cm_format_type == FMT_CITADEL) {
2166 if (mode == MT_MIME) {
2167 cprintf("Content-type: text/x-citadel-variformat\n\n");
2169 memfmout(mptr, 0, nl);
2172 /* If the message on disk is format 4 (MIME), we've gotta hand it
2173 * off to the MIME parser. The client has already been told that
2174 * this message is format 1 (fixed format), so the callback function
2175 * we use will display those parts as-is.
2177 if (TheMessage->cm_format_type == FMT_RFC822) {
2178 memset(&ma, 0, sizeof(struct ma_info));
2180 if (mode == MT_MIME) {
2181 ma.use_fo_hooks = 0;
2182 strcpy(ma.chosen_part, "1");
2183 ma.chosen_pref = 9999;
2184 mime_parser(mptr, NULL,
2185 *choose_preferred, *fixed_output_pre,
2186 *fixed_output_post, (void *)&ma, 0);
2187 mime_parser(mptr, NULL,
2188 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2191 ma.use_fo_hooks = 1;
2192 mime_parser(mptr, NULL,
2193 *fixed_output, *fixed_output_pre,
2194 *fixed_output_post, (void *)&ma, 0);
2199 DONE: /* now we're done */
2200 if (do_proto) cprintf("000\n");
2207 * display a message (mode 0 - Citadel proprietary)
2209 void cmd_msg0(char *cmdbuf)
2212 int headers_only = HEADERS_ALL;
2214 msgid = extract_long(cmdbuf, 0);
2215 headers_only = extract_int(cmdbuf, 1);
2217 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2223 * display a message (mode 2 - RFC822)
2225 void cmd_msg2(char *cmdbuf)
2228 int headers_only = HEADERS_ALL;
2230 msgid = extract_long(cmdbuf, 0);
2231 headers_only = extract_int(cmdbuf, 1);
2233 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2239 * display a message (mode 3 - IGnet raw format - internal programs only)
2241 void cmd_msg3(char *cmdbuf)
2244 struct CtdlMessage *msg = NULL;
2247 if (CC->internal_pgm == 0) {
2248 cprintf("%d This command is for internal programs only.\n",
2249 ERROR + HIGHER_ACCESS_REQUIRED);
2253 msgnum = extract_long(cmdbuf, 0);
2254 msg = CtdlFetchMessage(msgnum, 1);
2256 cprintf("%d Message %ld not found.\n",
2257 ERROR + MESSAGE_NOT_FOUND, msgnum);
2261 serialize_message(&smr, msg);
2262 CtdlFreeMessage(msg);
2265 cprintf("%d Unable to serialize message\n",
2266 ERROR + INTERNAL_ERROR);
2270 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2271 client_write((char *)smr.ser, (int)smr.len);
2278 * Display a message using MIME content types
2280 void cmd_msg4(char *cmdbuf)
2285 msgid = extract_long(cmdbuf, 0);
2286 extract_token(section, cmdbuf, 1, '|', sizeof section);
2287 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2293 * Client tells us its preferred message format(s)
2295 void cmd_msgp(char *cmdbuf)
2297 if (!strcasecmp(cmdbuf, "dont_decode")) {
2298 CC->msg4_dont_decode = 1;
2299 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2302 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2303 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2309 * Open a component of a MIME message as a download file
2311 void cmd_opna(char *cmdbuf)
2314 char desired_section[128];
2316 msgid = extract_long(cmdbuf, 0);
2317 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2318 safestrncpy(CC->download_desired_section, desired_section,
2319 sizeof CC->download_desired_section);
2320 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2325 * Open a component of a MIME message and transmit it all at once
2327 void cmd_dlat(char *cmdbuf)
2330 char desired_section[128];
2332 msgid = extract_long(cmdbuf, 0);
2333 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2334 safestrncpy(CC->download_desired_section, desired_section,
2335 sizeof CC->download_desired_section);
2336 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2341 * Save one or more message pointers into a specified room
2342 * (Returns 0 for success, nonzero for failure)
2343 * roomname may be NULL to use the current room
2345 * Note that the 'supplied_msg' field may be set to NULL, in which case
2346 * the message will be fetched from disk, by number, if we need to perform
2347 * replication checks. This adds an additional database read, so if the
2348 * caller already has the message in memory then it should be supplied. (Obviously
2349 * this mode of operation only works if we're saving a single message.)
2351 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2352 int do_repl_check, struct CtdlMessage *supplied_msg)
2355 char hold_rm[ROOMNAMELEN];
2356 struct cdbdata *cdbfr;
2359 long highest_msg = 0L;
2362 struct CtdlMessage *msg = NULL;
2364 long *msgs_to_be_merged = NULL;
2365 int num_msgs_to_be_merged = 0;
2367 CtdlLogPrintf(CTDL_DEBUG,
2368 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2369 roomname, num_newmsgs, do_repl_check);
2371 strcpy(hold_rm, CC->room.QRname);
2374 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2375 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2376 if (num_newmsgs > 1) supplied_msg = NULL;
2378 /* Now the regular stuff */
2379 if (CtdlGetRoomLock(&CC->room,
2380 ((roomname != NULL) ? roomname : CC->room.QRname) )
2382 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2383 return(ERROR + ROOM_NOT_FOUND);
2387 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2388 num_msgs_to_be_merged = 0;
2391 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2392 if (cdbfr == NULL) {
2396 msglist = (long *) cdbfr->ptr;
2397 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2398 num_msgs = cdbfr->len / sizeof(long);
2403 /* Create a list of msgid's which were supplied by the caller, but do
2404 * not already exist in the target room. It is absolutely taboo to
2405 * have more than one reference to the same message in a room.
2407 for (i=0; i<num_newmsgs; ++i) {
2409 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2410 if (msglist[j] == newmsgidlist[i]) {
2415 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2419 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2422 * Now merge the new messages
2424 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2425 if (msglist == NULL) {
2426 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2428 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2429 num_msgs += num_msgs_to_be_merged;
2431 /* Sort the message list, so all the msgid's are in order */
2432 num_msgs = sort_msglist(msglist, num_msgs);
2434 /* Determine the highest message number */
2435 highest_msg = msglist[num_msgs - 1];
2437 /* Write it back to disk. */
2438 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2439 msglist, (int)(num_msgs * sizeof(long)));
2441 /* Free up the memory we used. */
2444 /* Update the highest-message pointer and unlock the room. */
2445 CC->room.QRhighest = highest_msg;
2446 CtdlPutRoomLock(&CC->room);
2448 /* Perform replication checks if necessary */
2449 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2450 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2452 for (i=0; i<num_msgs_to_be_merged; ++i) {
2453 msgid = msgs_to_be_merged[i];
2455 if (supplied_msg != NULL) {
2459 msg = CtdlFetchMessage(msgid, 0);
2463 ReplicationChecks(msg);
2465 /* If the message has an Exclusive ID, index that... */
2466 if (msg->cm_fields['E'] != NULL) {
2467 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2470 /* Free up the memory we may have allocated */
2471 if (msg != supplied_msg) {
2472 CtdlFreeMessage(msg);
2480 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2483 /* Submit this room for processing by hooks */
2484 PerformRoomHooks(&CC->room);
2486 /* Go back to the room we were in before we wandered here... */
2487 CtdlGetRoom(&CC->room, hold_rm);
2489 /* Bump the reference count for all messages which were merged */
2490 for (i=0; i<num_msgs_to_be_merged; ++i) {
2491 AdjRefCount(msgs_to_be_merged[i], +1);
2494 /* Free up memory... */
2495 if (msgs_to_be_merged != NULL) {
2496 free(msgs_to_be_merged);
2499 /* Return success. */
2505 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2508 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2509 int do_repl_check, struct CtdlMessage *supplied_msg)
2511 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2518 * Message base operation to save a new message to the message store
2519 * (returns new message number)
2521 * This is the back end for CtdlSubmitMsg() and should not be directly
2522 * called by server-side modules.
2525 long send_message(struct CtdlMessage *msg) {
2533 /* Get a new message number */
2534 newmsgid = get_new_message_number();
2535 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2537 /* Generate an ID if we don't have one already */
2538 if (msg->cm_fields['I']==NULL) {
2539 msg->cm_fields['I'] = strdup(msgidbuf);
2542 /* If the message is big, set its body aside for storage elsewhere */
2543 if (msg->cm_fields['M'] != NULL) {
2544 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2546 holdM = msg->cm_fields['M'];
2547 msg->cm_fields['M'] = NULL;
2551 /* Serialize our data structure for storage in the database */
2552 serialize_message(&smr, msg);
2555 msg->cm_fields['M'] = holdM;
2559 cprintf("%d Unable to serialize message\n",
2560 ERROR + INTERNAL_ERROR);
2564 /* Write our little bundle of joy into the message base */
2565 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2566 smr.ser, smr.len) < 0) {
2567 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2571 cdb_store(CDB_BIGMSGS,
2581 /* Free the memory we used for the serialized message */
2584 /* Return the *local* message ID to the caller
2585 * (even if we're storing an incoming network message)
2593 * Serialize a struct CtdlMessage into the format used on disk and network.
2595 * This function loads up a "struct ser_ret" (defined in server.h) which
2596 * contains the length of the serialized message and a pointer to the
2597 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2599 void serialize_message(struct ser_ret *ret, /* return values */
2600 struct CtdlMessage *msg) /* unserialized msg */
2602 size_t wlen, fieldlen;
2604 static char *forder = FORDER;
2607 * Check for valid message format
2609 if (is_valid_message(msg) == 0) {
2610 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2617 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2618 ret->len = ret->len +
2619 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2621 ret->ser = malloc(ret->len);
2622 if (ret->ser == NULL) {
2623 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2624 (long)ret->len, strerror(errno));
2631 ret->ser[1] = msg->cm_anon_type;
2632 ret->ser[2] = msg->cm_format_type;
2635 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2636 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2637 ret->ser[wlen++] = (char)forder[i];
2638 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2639 wlen = wlen + fieldlen + 1;
2641 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2642 (long)ret->len, (long)wlen);
2649 * Serialize a struct CtdlMessage into the format used on disk and network.
2651 * This function loads up a "struct ser_ret" (defined in server.h) which
2652 * contains the length of the serialized message and a pointer to the
2653 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2655 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2656 long Siz) /* how many chars ? */
2660 static char *forder = FORDER;
2664 * Check for valid message format
2666 if (is_valid_message(msg) == 0) {
2667 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2671 buf = (char*) malloc (Siz + 1);
2675 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2676 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2677 msg->cm_fields[(int)forder[i]]);
2678 client_write (buf, strlen(buf));
2687 * Check to see if any messages already exist in the current room which
2688 * carry the same Exclusive ID as this one. If any are found, delete them.
2690 void ReplicationChecks(struct CtdlMessage *msg) {
2691 long old_msgnum = (-1L);
2693 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2695 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2698 /* No exclusive id? Don't do anything. */
2699 if (msg == NULL) return;
2700 if (msg->cm_fields['E'] == NULL) return;
2701 if (IsEmptyStr(msg->cm_fields['E'])) return;
2702 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2703 msg->cm_fields['E'], CC->room.QRname);*/
2705 old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
2706 if (old_msgnum > 0L) {
2707 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2708 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2715 * Save a message to disk and submit it into the delivery system.
2717 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2718 struct recptypes *recps, /* recipients (if mail) */
2719 char *force, /* force a particular room? */
2720 int flags /* should the message be exported clean? */
2722 char submit_filename[128];
2723 char generated_timestamp[32];
2724 char hold_rm[ROOMNAMELEN];
2725 char actual_rm[ROOMNAMELEN];
2726 char force_room[ROOMNAMELEN];
2727 char content_type[SIZ]; /* We have to learn this */
2728 char recipient[SIZ];
2731 struct ctdluser userbuf;
2733 struct MetaData smi;
2734 FILE *network_fp = NULL;
2735 static int seqnum = 1;
2736 struct CtdlMessage *imsg = NULL;
2738 size_t instr_alloc = 0;
2740 char *hold_R, *hold_D;
2741 char *collected_addresses = NULL;
2742 struct addresses_to_be_filed *aptr = NULL;
2743 char *saved_rfc822_version = NULL;
2744 int qualified_for_journaling = 0;
2745 CitContext *CCC = CC; /* CachedCitContext - performance boost */
2746 char bounce_to[1024] = "";
2750 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2751 if (is_valid_message(msg) == 0) return(-1); /* self check */
2753 /* If this message has no timestamp, we take the liberty of
2754 * giving it one, right now.
2756 if (msg->cm_fields['T'] == NULL) {
2757 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2758 msg->cm_fields['T'] = strdup(generated_timestamp);
2761 /* If this message has no path, we generate one.
2763 if (msg->cm_fields['P'] == NULL) {
2764 if (msg->cm_fields['A'] != NULL) {
2765 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2766 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2767 if (isspace(msg->cm_fields['P'][a])) {
2768 msg->cm_fields['P'][a] = ' ';
2773 msg->cm_fields['P'] = strdup("unknown");
2777 if (force == NULL) {
2778 strcpy(force_room, "");
2781 strcpy(force_room, force);
2784 /* Learn about what's inside, because it's what's inside that counts */
2785 if (msg->cm_fields['M'] == NULL) {
2786 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2790 switch (msg->cm_format_type) {
2792 strcpy(content_type, "text/x-citadel-variformat");
2795 strcpy(content_type, "text/plain");
2798 strcpy(content_type, "text/plain");
2799 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2802 safestrncpy(content_type, &mptr[13], sizeof content_type);
2803 striplt(content_type);
2804 aptr = content_type;
2805 while (!IsEmptyStr(aptr)) {
2817 /* Goto the correct room */
2818 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2819 strcpy(hold_rm, CCC->room.QRname);
2820 strcpy(actual_rm, CCC->room.QRname);
2821 if (recps != NULL) {
2822 strcpy(actual_rm, SENTITEMS);
2825 /* If the user is a twit, move to the twit room for posting */
2827 if (CCC->user.axlevel == 2) {
2828 strcpy(hold_rm, actual_rm);
2829 strcpy(actual_rm, config.c_twitroom);
2830 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2834 /* ...or if this message is destined for Aide> then go there. */
2835 if (!IsEmptyStr(force_room)) {
2836 strcpy(actual_rm, force_room);
2839 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2840 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2841 /* CtdlGetRoom(&CCC->room, actual_rm); */
2842 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
2846 * If this message has no O (room) field, generate one.
2848 if (msg->cm_fields['O'] == NULL) {
2849 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2852 /* Perform "before save" hooks (aborting if any return nonzero) */
2853 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2854 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2857 * If this message has an Exclusive ID, and the room is replication
2858 * checking enabled, then do replication checks.
2860 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2861 ReplicationChecks(msg);
2864 /* Save it to disk */
2865 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2866 newmsgid = send_message(msg);
2867 if (newmsgid <= 0L) return(-5);
2869 /* Write a supplemental message info record. This doesn't have to
2870 * be a critical section because nobody else knows about this message
2873 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2874 memset(&smi, 0, sizeof(struct MetaData));
2875 smi.meta_msgnum = newmsgid;
2876 smi.meta_refcount = 0;
2877 safestrncpy(smi.meta_content_type, content_type,
2878 sizeof smi.meta_content_type);
2881 * Measure how big this message will be when rendered as RFC822.
2882 * We do this for two reasons:
2883 * 1. We need the RFC822 length for the new metadata record, so the
2884 * POP and IMAP services don't have to calculate message lengths
2885 * while the user is waiting (multiplied by potentially hundreds
2886 * or thousands of messages).
2887 * 2. If journaling is enabled, we will need an RFC822 version of the
2888 * message to attach to the journalized copy.
2890 if (CCC->redirect_buffer != NULL) {
2891 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2894 CCC->redirect_buffer = malloc(SIZ);
2895 CCC->redirect_len = 0;
2896 CCC->redirect_alloc = SIZ;
2897 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2898 smi.meta_rfc822_length = CCC->redirect_len;
2899 saved_rfc822_version = CCC->redirect_buffer;
2900 CCC->redirect_buffer = NULL;
2901 CCC->redirect_len = 0;
2902 CCC->redirect_alloc = 0;
2906 /* Now figure out where to store the pointers */
2907 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2909 /* If this is being done by the networker delivering a private
2910 * message, we want to BYPASS saving the sender's copy (because there
2911 * is no local sender; it would otherwise go to the Trashcan).
2913 if ((!CCC->internal_pgm) || (recps == NULL)) {
2914 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2915 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2916 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2920 /* For internet mail, drop a copy in the outbound queue room */
2921 if ((recps != NULL) && (recps->num_internet > 0)) {
2922 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2925 /* If other rooms are specified, drop them there too. */
2926 if ((recps != NULL) && (recps->num_room > 0))
2927 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2928 extract_token(recipient, recps->recp_room, i,
2929 '|', sizeof recipient);
2930 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2931 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2934 /* Bump this user's messages posted counter. */
2935 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2936 CtdlGetUserLock(&CCC->user, CCC->curr_user);
2937 CCC->user.posted = CCC->user.posted + 1;
2938 CtdlPutUserLock(&CCC->user);
2940 /* Decide where bounces need to be delivered */
2941 if ((recps != NULL) && (recps->bounce_to != NULL)) {
2942 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
2944 else if (CCC->logged_in) {
2945 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
2948 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
2951 /* If this is private, local mail, make a copy in the
2952 * recipient's mailbox and bump the reference count.
2954 if ((recps != NULL) && (recps->num_local > 0))
2955 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2956 extract_token(recipient, recps->recp_local, i,
2957 '|', sizeof recipient);
2958 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2960 if (CtdlGetUser(&userbuf, recipient) == 0) {
2961 // Add a flag so the Funambol module knows its mail
2962 msg->cm_fields['W'] = strdup(recipient);
2963 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2964 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2965 BumpNewMailCounter(userbuf.usernum);
2966 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
2967 /* Generate a instruction message for the Funambol notification
2968 * server, in the same style as the SMTP queue
2971 instr = malloc(instr_alloc);
2972 snprintf(instr, instr_alloc,
2973 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2975 SPOOLMIME, newmsgid, (long)time(NULL),
2979 imsg = malloc(sizeof(struct CtdlMessage));
2980 memset(imsg, 0, sizeof(struct CtdlMessage));
2981 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2982 imsg->cm_anon_type = MES_NORMAL;
2983 imsg->cm_format_type = FMT_RFC822;
2984 imsg->cm_fields['A'] = strdup("Citadel");
2985 imsg->cm_fields['J'] = strdup("do not journal");
2986 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2987 imsg->cm_fields['W'] = strdup(recipient);
2988 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
2989 CtdlFreeMessage(imsg);
2993 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2994 CtdlSaveMsgPointerInRoom(config.c_aideroom,
2999 /* Perform "after save" hooks */
3000 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
3001 PerformMessageHooks(msg, EVT_AFTERSAVE);
3003 /* For IGnet mail, we have to save a new copy into the spooler for
3004 * each recipient, with the R and D fields set to the recipient and
3005 * destination-node. This has two ugly side effects: all other
3006 * recipients end up being unlisted in this recipient's copy of the
3007 * message, and it has to deliver multiple messages to the same
3008 * node. We'll revisit this again in a year or so when everyone has
3009 * a network spool receiver that can handle the new style messages.
3011 if ((recps != NULL) && (recps->num_ignet > 0))
3012 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3013 extract_token(recipient, recps->recp_ignet, i,
3014 '|', sizeof recipient);
3016 hold_R = msg->cm_fields['R'];
3017 hold_D = msg->cm_fields['D'];
3018 msg->cm_fields['R'] = malloc(SIZ);
3019 msg->cm_fields['D'] = malloc(128);
3020 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3021 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3023 serialize_message(&smr, msg);
3025 snprintf(submit_filename, sizeof submit_filename,
3026 "%s/netmail.%04lx.%04x.%04x",
3028 (long) getpid(), CCC->cs_pid, ++seqnum);
3029 network_fp = fopen(submit_filename, "wb+");
3030 if (network_fp != NULL) {
3031 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3037 free(msg->cm_fields['R']);
3038 free(msg->cm_fields['D']);
3039 msg->cm_fields['R'] = hold_R;
3040 msg->cm_fields['D'] = hold_D;
3043 /* Go back to the room we started from */
3044 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
3045 if (strcasecmp(hold_rm, CCC->room.QRname))
3046 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3048 /* For internet mail, generate delivery instructions.
3049 * Yes, this is recursive. Deal with it. Infinite recursion does
3050 * not happen because the delivery instructions message does not
3051 * contain a recipient.
3053 if ((recps != NULL) && (recps->num_internet > 0)) {
3054 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
3056 instr = malloc(instr_alloc);
3057 snprintf(instr, instr_alloc,
3058 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3060 SPOOLMIME, newmsgid, (long)time(NULL),
3064 if (recps->envelope_from != NULL) {
3065 tmp = strlen(instr);
3066 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3069 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3070 tmp = strlen(instr);
3071 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3072 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3073 instr_alloc = instr_alloc * 2;
3074 instr = realloc(instr, instr_alloc);
3076 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3079 imsg = malloc(sizeof(struct CtdlMessage));
3080 memset(imsg, 0, sizeof(struct CtdlMessage));
3081 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3082 imsg->cm_anon_type = MES_NORMAL;
3083 imsg->cm_format_type = FMT_RFC822;
3084 imsg->cm_fields['A'] = strdup("Citadel");
3085 imsg->cm_fields['J'] = strdup("do not journal");
3086 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3087 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3088 CtdlFreeMessage(imsg);
3092 * Any addresses to harvest for someone's address book?
3094 if ( (CCC->logged_in) && (recps != NULL) ) {
3095 collected_addresses = harvest_collected_addresses(msg);
3098 if (collected_addresses != NULL) {
3099 aptr = (struct addresses_to_be_filed *)
3100 malloc(sizeof(struct addresses_to_be_filed));
3101 CtdlMailboxName(actual_rm, sizeof actual_rm,
3102 &CCC->user, USERCONTACTSROOM);
3103 aptr->roomname = strdup(actual_rm);
3104 aptr->collected_addresses = collected_addresses;
3105 begin_critical_section(S_ATBF);
3108 end_critical_section(S_ATBF);
3112 * Determine whether this message qualifies for journaling.
3114 if (msg->cm_fields['J'] != NULL) {
3115 qualified_for_journaling = 0;
3118 if (recps == NULL) {
3119 qualified_for_journaling = config.c_journal_pubmsgs;
3121 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3122 qualified_for_journaling = config.c_journal_email;
3125 qualified_for_journaling = config.c_journal_pubmsgs;
3130 * Do we have to perform journaling? If so, hand off the saved
3131 * RFC822 version will be handed off to the journaler for background
3132 * submit. Otherwise, we have to free the memory ourselves.
3134 if (saved_rfc822_version != NULL) {
3135 if (qualified_for_journaling) {
3136 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3139 free(saved_rfc822_version);
3149 void aide_message (char *text, char *subject)
3151 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3156 * Convenience function for generating small administrative messages.
3158 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3159 int format_type, const char *subject)
3161 struct CtdlMessage *msg;
3162 struct recptypes *recp = NULL;
3164 msg = malloc(sizeof(struct CtdlMessage));
3165 memset(msg, 0, sizeof(struct CtdlMessage));
3166 msg->cm_magic = CTDLMESSAGE_MAGIC;
3167 msg->cm_anon_type = MES_NORMAL;
3168 msg->cm_format_type = format_type;
3171 msg->cm_fields['A'] = strdup(from);
3173 else if (fromaddr != NULL) {
3174 msg->cm_fields['A'] = strdup(fromaddr);
3175 if (strchr(msg->cm_fields['A'], '@')) {
3176 *strchr(msg->cm_fields['A'], '@') = 0;
3180 msg->cm_fields['A'] = strdup("Citadel");
3183 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3184 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3185 msg->cm_fields['N'] = strdup(NODENAME);
3187 msg->cm_fields['R'] = strdup(to);
3188 recp = validate_recipients(to, NULL, 0);
3190 if (subject != NULL) {
3191 msg->cm_fields['U'] = strdup(subject);
3193 msg->cm_fields['M'] = strdup(text);
3195 CtdlSubmitMsg(msg, recp, room, 0);
3196 CtdlFreeMessage(msg);
3197 if (recp != NULL) free_recipients(recp);
3203 * Back end function used by CtdlMakeMessage() and similar functions
3205 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3206 size_t maxlen, /* maximum message length */
3207 char *exist, /* if non-null, append to it;
3208 exist is ALWAYS freed */
3209 int crlf, /* CRLF newlines instead of LF */
3210 int sock /* socket handle or 0 for this session's client socket */
3214 size_t message_len = 0;
3215 size_t buffer_len = 0;
3222 if (exist == NULL) {
3229 message_len = strlen(exist);
3230 buffer_len = message_len + 4096;
3231 m = realloc(exist, buffer_len);
3238 /* Do we need to change leading ".." to "." for SMTP escaping? */
3239 if (!strcmp(terminator, ".")) {
3243 /* flush the input if we have nowhere to store it */
3248 /* read in the lines of message text one by one */
3251 if (sock_getln(sock, buf, (sizeof buf - 3)) < 0) finished = 1;
3254 if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
3256 if (!strcmp(buf, terminator)) finished = 1;
3258 strcat(buf, "\r\n");
3264 /* Unescape SMTP-style input of two dots at the beginning of the line */
3266 if (!strncmp(buf, "..", 2)) {
3267 strcpy(buf, &buf[1]);
3271 if ( (!flushing) && (!finished) ) {
3272 /* Measure the line */
3273 linelen = strlen(buf);
3275 /* augment the buffer if we have to */
3276 if ((message_len + linelen) >= buffer_len) {
3277 ptr = realloc(m, (buffer_len * 2) );
3278 if (ptr == NULL) { /* flush if can't allocate */
3281 buffer_len = (buffer_len * 2);
3283 CtdlLogPrintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
3287 /* Add the new line to the buffer. NOTE: this loop must avoid
3288 * using functions like strcat() and strlen() because they
3289 * traverse the entire buffer upon every call, and doing that
3290 * for a multi-megabyte message slows it down beyond usability.
3292 strcpy(&m[message_len], buf);
3293 message_len += linelen;
3296 /* if we've hit the max msg length, flush the rest */
3297 if (message_len >= maxlen) flushing = 1;
3299 } while (!finished);
3307 * Build a binary message to be saved on disk.
3308 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3309 * will become part of the message. This means you are no longer
3310 * responsible for managing that memory -- it will be freed along with
3311 * the rest of the fields when CtdlFreeMessage() is called.)
3314 struct CtdlMessage *CtdlMakeMessage(
3315 struct ctdluser *author, /* author's user structure */
3316 char *recipient, /* NULL if it's not mail */
3317 char *recp_cc, /* NULL if it's not mail */
3318 char *room, /* room where it's going */
3319 int type, /* see MES_ types in header file */
3320 int format_type, /* variformat, plain text, MIME... */
3321 char *fake_name, /* who we're masquerading as */
3322 char *my_email, /* which of my email addresses to use (empty is ok) */
3323 char *subject, /* Subject (optional) */
3324 char *supplied_euid, /* ...or NULL if this is irrelevant */
3325 char *preformatted_text, /* ...or NULL to read text from client */
3326 char *references /* Thread references */
3328 char dest_node[256];
3330 struct CtdlMessage *msg;
3332 msg = malloc(sizeof(struct CtdlMessage));
3333 memset(msg, 0, sizeof(struct CtdlMessage));
3334 msg->cm_magic = CTDLMESSAGE_MAGIC;
3335 msg->cm_anon_type = type;
3336 msg->cm_format_type = format_type;
3338 /* Don't confuse the poor folks if it's not routed mail. */
3339 strcpy(dest_node, "");
3341 if (recipient != NULL) striplt(recipient);
3342 if (recp_cc != NULL) striplt(recp_cc);
3344 /* Path or Return-Path */
3345 if (my_email == NULL) my_email = "";
3347 if (!IsEmptyStr(my_email)) {
3348 msg->cm_fields['P'] = strdup(my_email);
3351 snprintf(buf, sizeof buf, "%s", author->fullname);
3352 msg->cm_fields['P'] = strdup(buf);
3354 convert_spaces_to_underscores(msg->cm_fields['P']);
3356 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3357 msg->cm_fields['T'] = strdup(buf);
3359 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3360 msg->cm_fields['A'] = strdup(fake_name);
3363 msg->cm_fields['A'] = strdup(author->fullname);
3366 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3367 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3370 msg->cm_fields['O'] = strdup(CC->room.QRname);
3373 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3374 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3376 if ((recipient != NULL) && (recipient[0] != 0)) {
3377 msg->cm_fields['R'] = strdup(recipient);
3379 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3380 msg->cm_fields['Y'] = strdup(recp_cc);
3382 if (dest_node[0] != 0) {
3383 msg->cm_fields['D'] = strdup(dest_node);
3386 if (!IsEmptyStr(my_email)) {
3387 msg->cm_fields['F'] = strdup(my_email);
3389 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3390 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3393 if (subject != NULL) {
3396 length = strlen(subject);
3402 while ((subject[i] != '\0') &&
3403 (IsAscii = isascii(subject[i]) != 0 ))
3406 msg->cm_fields['U'] = strdup(subject);
3407 else /* ok, we've got utf8 in the string. */
3409 msg->cm_fields['U'] = rfc2047encode(subject, length);
3415 if (supplied_euid != NULL) {
3416 msg->cm_fields['E'] = strdup(supplied_euid);
3419 if (references != NULL) {
3420 if (!IsEmptyStr(references)) {
3421 msg->cm_fields['W'] = strdup(references);
3425 if (preformatted_text != NULL) {
3426 msg->cm_fields['M'] = preformatted_text;
3429 msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
3437 * Check to see whether we have permission to post a message in the current
3438 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3439 * returns 0 on success.
3441 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3443 const char* RemoteIdentifier,
3447 if (!(CC->logged_in) &&
3448 (PostPublic == POST_LOGGED_IN)) {
3449 snprintf(errmsgbuf, n, "Not logged in.");
3450 return (ERROR + NOT_LOGGED_IN);
3452 else if (PostPublic == CHECK_EXISTANCE) {
3453 return (0); // We're Evaling whether a recipient exists
3455 else if (!(CC->logged_in)) {
3457 if ((CC->room.QRflags & QR_READONLY)) {
3458 snprintf(errmsgbuf, n, "Not logged in.");
3459 return (ERROR + NOT_LOGGED_IN);
3461 if (CC->room.QRflags2 & QR2_MODERATED) {
3462 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3463 return (ERROR + NOT_LOGGED_IN);
3465 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3470 if (RemoteIdentifier == NULL)
3472 snprintf(errmsgbuf, n, "Need sender to permit access.");
3473 return (ERROR + USERNAME_REQUIRED);
3476 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3477 begin_critical_section(S_NETCONFIGS);
3478 if (!read_spoolcontrol_file(&sc, filename))
3480 end_critical_section(S_NETCONFIGS);
3481 snprintf(errmsgbuf, n,
3482 "This mailing list only accepts posts from subscribers.");
3483 return (ERROR + NO_SUCH_USER);
3485 end_critical_section(S_NETCONFIGS);
3486 found = is_recipient (sc, RemoteIdentifier);
3487 free_spoolcontrol_struct(&sc);
3492 snprintf(errmsgbuf, n,
3493 "This mailing list only accepts posts from subscribers.");
3494 return (ERROR + NO_SUCH_USER);
3501 if ((CC->user.axlevel < 2)
3502 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3503 snprintf(errmsgbuf, n, "Need to be validated to enter "
3504 "(except in %s> to sysop)", MAILROOM);
3505 return (ERROR + HIGHER_ACCESS_REQUIRED);
3508 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3509 if (!(ra & UA_POSTALLOWED)) {
3510 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3511 return (ERROR + HIGHER_ACCESS_REQUIRED);
3514 strcpy(errmsgbuf, "Ok");
3520 * Check to see if the specified user has Internet mail permission
3521 * (returns nonzero if permission is granted)
3523 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3525 /* Do not allow twits to send Internet mail */
3526 if (who->axlevel <= 2) return(0);
3528 /* Globally enabled? */
3529 if (config.c_restrict == 0) return(1);
3531 /* User flagged ok? */
3532 if (who->flags & US_INTERNET) return(2);
3534 /* Aide level access? */
3535 if (who->axlevel >= 6) return(3);
3537 /* No mail for you! */
3543 * Validate recipients, count delivery types and errors, and handle aliasing
3544 * FIXME check for dupes!!!!!
3546 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3547 * were specified, or the number of addresses found invalid.
3549 * Caller needs to free the result using free_recipients()
3551 struct recptypes *validate_recipients(char *supplied_recipients,
3552 const char *RemoteIdentifier,
3554 struct recptypes *ret;
3555 char *recipients = NULL;
3556 char this_recp[256];
3557 char this_recp_cooked[256];
3563 struct ctdluser tempUS;
3564 struct ctdlroom tempQR;
3565 struct ctdlroom tempQR2;
3571 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3572 if (ret == NULL) return(NULL);
3574 /* Set all strings to null and numeric values to zero */
3575 memset(ret, 0, sizeof(struct recptypes));
3577 if (supplied_recipients == NULL) {
3578 recipients = strdup("");
3581 recipients = strdup(supplied_recipients);
3584 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3585 * actually need, but it's healthier for the heap than doing lots of tiny
3586 * realloc() calls instead.
3589 ret->errormsg = malloc(strlen(recipients) + 1024);
3590 ret->recp_local = malloc(strlen(recipients) + 1024);
3591 ret->recp_internet = malloc(strlen(recipients) + 1024);
3592 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3593 ret->recp_room = malloc(strlen(recipients) + 1024);
3594 ret->display_recp = malloc(strlen(recipients) + 1024);
3596 ret->errormsg[0] = 0;
3597 ret->recp_local[0] = 0;
3598 ret->recp_internet[0] = 0;
3599 ret->recp_ignet[0] = 0;
3600 ret->recp_room[0] = 0;
3601 ret->display_recp[0] = 0;
3603 ret->recptypes_magic = RECPTYPES_MAGIC;
3605 /* Change all valid separator characters to commas */
3606 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3607 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3608 recipients[i] = ',';
3612 /* Now start extracting recipients... */
3614 while (!IsEmptyStr(recipients)) {
3616 for (i=0; i<=strlen(recipients); ++i) {
3617 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3618 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3619 safestrncpy(this_recp, recipients, i+1);
3621 if (recipients[i] == ',') {
3622 strcpy(recipients, &recipients[i+1]);
3625 strcpy(recipients, "");
3632 if (IsEmptyStr(this_recp))
3634 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3636 mailtype = alias(this_recp);
3637 mailtype = alias(this_recp);
3638 mailtype = alias(this_recp);
3640 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3641 if (this_recp[j]=='_') {
3642 this_recp_cooked[j] = ' ';
3645 this_recp_cooked[j] = this_recp[j];
3648 this_recp_cooked[j] = '\0';
3653 if (!strcasecmp(this_recp, "sysop")) {
3655 strcpy(this_recp, config.c_aideroom);
3656 if (!IsEmptyStr(ret->recp_room)) {
3657 strcat(ret->recp_room, "|");
3659 strcat(ret->recp_room, this_recp);
3661 else if ( (!strncasecmp(this_recp, "room_", 5))
3662 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3664 /* Save room so we can restore it later */
3668 /* Check permissions to send mail to this room */
3669 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3681 if (!IsEmptyStr(ret->recp_room)) {
3682 strcat(ret->recp_room, "|");
3684 strcat(ret->recp_room, &this_recp_cooked[5]);
3687 /* Restore room in case something needs it */
3691 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3693 strcpy(this_recp, tempUS.fullname);
3694 if (!IsEmptyStr(ret->recp_local)) {
3695 strcat(ret->recp_local, "|");
3697 strcat(ret->recp_local, this_recp);
3699 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3701 strcpy(this_recp, tempUS.fullname);
3702 if (!IsEmptyStr(ret->recp_local)) {
3703 strcat(ret->recp_local, "|");
3705 strcat(ret->recp_local, this_recp);
3713 /* Yes, you're reading this correctly: if the target
3714 * domain points back to the local system or an attached
3715 * Citadel directory, the address is invalid. That's
3716 * because if the address were valid, we would have
3717 * already translated it to a local address by now.
3719 if (IsDirectory(this_recp, 0)) {
3724 ++ret->num_internet;
3725 if (!IsEmptyStr(ret->recp_internet)) {
3726 strcat(ret->recp_internet, "|");
3728 strcat(ret->recp_internet, this_recp);
3733 if (!IsEmptyStr(ret->recp_ignet)) {
3734 strcat(ret->recp_ignet, "|");
3736 strcat(ret->recp_ignet, this_recp);
3744 if (IsEmptyStr(errmsg)) {
3745 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3748 snprintf(append, sizeof append, "%s", errmsg);
3750 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3751 if (!IsEmptyStr(ret->errormsg)) {
3752 strcat(ret->errormsg, "; ");
3754 strcat(ret->errormsg, append);
3758 if (IsEmptyStr(ret->display_recp)) {
3759 strcpy(append, this_recp);
3762 snprintf(append, sizeof append, ", %s", this_recp);
3764 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3765 strcat(ret->display_recp, append);
3770 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3771 ret->num_room + ret->num_error) == 0) {
3772 ret->num_error = (-1);
3773 strcpy(ret->errormsg, "No recipients specified.");
3776 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3777 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3778 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3779 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3780 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3781 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3789 * Destructor for struct recptypes
3791 void free_recipients(struct recptypes *valid) {
3793 if (valid == NULL) {
3797 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3798 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3802 if (valid->errormsg != NULL) free(valid->errormsg);
3803 if (valid->recp_local != NULL) free(valid->recp_local);
3804 if (valid->recp_internet != NULL) free(valid->recp_internet);
3805 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3806 if (valid->recp_room != NULL) free(valid->recp_room);
3807 if (valid->display_recp != NULL) free(valid->display_recp);
3808 if (valid->bounce_to != NULL) free(valid->bounce_to);
3809 if (valid->envelope_from != NULL) free(valid->envelope_from);
3816 * message entry - mode 0 (normal)
3818 void cmd_ent0(char *entargs)
3824 char supplied_euid[128];
3826 int format_type = 0;
3827 char newusername[256];
3828 char newuseremail[256];
3829 struct CtdlMessage *msg;
3833 struct recptypes *valid = NULL;
3834 struct recptypes *valid_to = NULL;
3835 struct recptypes *valid_cc = NULL;
3836 struct recptypes *valid_bcc = NULL;
3838 int subject_required = 0;
3843 int newuseremail_ok = 0;
3844 char references[SIZ];
3849 post = extract_int(entargs, 0);
3850 extract_token(recp, entargs, 1, '|', sizeof recp);
3851 anon_flag = extract_int(entargs, 2);
3852 format_type = extract_int(entargs, 3);
3853 extract_token(subject, entargs, 4, '|', sizeof subject);
3854 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3855 do_confirm = extract_int(entargs, 6);
3856 extract_token(cc, entargs, 7, '|', sizeof cc);
3857 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3858 switch(CC->room.QRdefaultview) {
3861 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3864 supplied_euid[0] = 0;
3867 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3868 extract_token(references, entargs, 11, '|', sizeof references);
3869 for (ptr=references; *ptr != 0; ++ptr) {
3870 if (*ptr == '!') *ptr = '|';
3873 /* first check to make sure the request is valid. */
3875 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3878 cprintf("%d %s\n", err, errmsg);
3882 /* Check some other permission type things. */
3884 if (IsEmptyStr(newusername)) {
3885 strcpy(newusername, CC->user.fullname);
3887 if ( (CC->user.axlevel < 6)
3888 && (strcasecmp(newusername, CC->user.fullname))
3889 && (strcasecmp(newusername, CC->cs_inet_fn))
3891 cprintf("%d You don't have permission to author messages as '%s'.\n",
3892 ERROR + HIGHER_ACCESS_REQUIRED,
3899 if (IsEmptyStr(newuseremail)) {
3900 newuseremail_ok = 1;
3903 if (!IsEmptyStr(newuseremail)) {
3904 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3905 newuseremail_ok = 1;
3907 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3908 j = num_tokens(CC->cs_inet_other_emails, '|');
3909 for (i=0; i<j; ++i) {
3910 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3911 if (!strcasecmp(newuseremail, buf)) {
3912 newuseremail_ok = 1;
3918 if (!newuseremail_ok) {
3919 cprintf("%d You don't have permission to author messages as '%s'.\n",
3920 ERROR + HIGHER_ACCESS_REQUIRED,
3926 CC->cs_flags |= CS_POSTING;
3928 /* In mailbox rooms we have to behave a little differently --
3929 * make sure the user has specified at least one recipient. Then
3930 * validate the recipient(s). We do this for the Mail> room, as
3931 * well as any room which has the "Mailbox" view set.
3934 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3935 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3937 if (CC->user.axlevel < 2) {
3938 strcpy(recp, "sysop");
3943 valid_to = validate_recipients(recp, NULL, 0);
3944 if (valid_to->num_error > 0) {
3945 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3946 free_recipients(valid_to);
3950 valid_cc = validate_recipients(cc, NULL, 0);
3951 if (valid_cc->num_error > 0) {
3952 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
3953 free_recipients(valid_to);
3954 free_recipients(valid_cc);
3958 valid_bcc = validate_recipients(bcc, NULL, 0);
3959 if (valid_bcc->num_error > 0) {
3960 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
3961 free_recipients(valid_to);
3962 free_recipients(valid_cc);
3963 free_recipients(valid_bcc);
3967 /* Recipient required, but none were specified */
3968 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3969 free_recipients(valid_to);
3970 free_recipients(valid_cc);
3971 free_recipients(valid_bcc);
3972 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3976 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3977 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3978 cprintf("%d You do not have permission "
3979 "to send Internet mail.\n",
3980 ERROR + HIGHER_ACCESS_REQUIRED);
3981 free_recipients(valid_to);
3982 free_recipients(valid_cc);
3983 free_recipients(valid_bcc);
3988 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)
3989 && (CC->user.axlevel < 4) ) {
3990 cprintf("%d Higher access required for network mail.\n",
3991 ERROR + HIGHER_ACCESS_REQUIRED);
3992 free_recipients(valid_to);
3993 free_recipients(valid_cc);
3994 free_recipients(valid_bcc);
3998 if ((RESTRICT_INTERNET == 1)
3999 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4000 && ((CC->user.flags & US_INTERNET) == 0)
4001 && (!CC->internal_pgm)) {
4002 cprintf("%d You don't have access to Internet mail.\n",
4003 ERROR + HIGHER_ACCESS_REQUIRED);
4004 free_recipients(valid_to);
4005 free_recipients(valid_cc);
4006 free_recipients(valid_bcc);
4012 /* Is this a room which has anonymous-only or anonymous-option? */
4013 anonymous = MES_NORMAL;
4014 if (CC->room.QRflags & QR_ANONONLY) {
4015 anonymous = MES_ANONONLY;
4017 if (CC->room.QRflags & QR_ANONOPT) {
4018 if (anon_flag == 1) { /* only if the user requested it */
4019 anonymous = MES_ANONOPT;
4023 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4027 /* Recommend to the client that the use of a message subject is
4028 * strongly recommended in this room, if either the SUBJECTREQ flag
4029 * is set, or if there is one or more Internet email recipients.
4031 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4032 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4033 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4034 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4036 /* If we're only checking the validity of the request, return
4037 * success without creating the message.
4040 cprintf("%d %s|%d\n", CIT_OK,
4041 ((valid_to != NULL) ? valid_to->display_recp : ""),
4043 free_recipients(valid_to);
4044 free_recipients(valid_cc);
4045 free_recipients(valid_bcc);
4049 /* We don't need these anymore because we'll do it differently below */
4050 free_recipients(valid_to);
4051 free_recipients(valid_cc);
4052 free_recipients(valid_bcc);
4054 /* Read in the message from the client. */
4056 cprintf("%d send message\n", START_CHAT_MODE);
4058 cprintf("%d send message\n", SEND_LISTING);
4061 msg = CtdlMakeMessage(&CC->user, recp, cc,
4062 CC->room.QRname, anonymous, format_type,
4063 newusername, newuseremail, subject,
4064 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4067 /* Put together one big recipients struct containing to/cc/bcc all in
4068 * one. This is for the envelope.
4070 char *all_recps = malloc(SIZ * 3);
4071 strcpy(all_recps, recp);
4072 if (!IsEmptyStr(cc)) {
4073 if (!IsEmptyStr(all_recps)) {
4074 strcat(all_recps, ",");
4076 strcat(all_recps, cc);
4078 if (!IsEmptyStr(bcc)) {
4079 if (!IsEmptyStr(all_recps)) {
4080 strcat(all_recps, ",");
4082 strcat(all_recps, bcc);
4084 if (!IsEmptyStr(all_recps)) {
4085 valid = validate_recipients(all_recps, NULL, 0);
4093 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4096 cprintf("%ld\n", msgnum);
4098 cprintf("Message accepted.\n");
4101 cprintf("Internal error.\n");
4103 if (msg->cm_fields['E'] != NULL) {
4104 cprintf("%s\n", msg->cm_fields['E']);
4111 CtdlFreeMessage(msg);
4113 if (valid != NULL) {
4114 free_recipients(valid);
4122 * API function to delete messages which match a set of criteria
4123 * (returns the actual number of messages deleted)
4125 int CtdlDeleteMessages(char *room_name, /* which room */
4126 long *dmsgnums, /* array of msg numbers to be deleted */
4127 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4128 char *content_type /* or "" for any. regular expressions expected. */
4131 struct ctdlroom qrbuf;
4132 struct cdbdata *cdbfr;
4133 long *msglist = NULL;
4134 long *dellist = NULL;
4137 int num_deleted = 0;
4139 struct MetaData smi;
4142 int need_to_free_re = 0;
4144 if (content_type) if (!IsEmptyStr(content_type)) {
4145 regcomp(&re, content_type, 0);
4146 need_to_free_re = 1;
4148 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4149 room_name, num_dmsgnums, content_type);
4151 /* get room record, obtaining a lock... */
4152 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4153 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4155 if (need_to_free_re) regfree(&re);
4156 return (0); /* room not found */
4158 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4160 if (cdbfr != NULL) {
4161 dellist = malloc(cdbfr->len);
4162 msglist = (long *) cdbfr->ptr;
4163 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4164 num_msgs = cdbfr->len / sizeof(long);
4168 for (i = 0; i < num_msgs; ++i) {
4171 /* Set/clear a bit for each criterion */
4173 /* 0 messages in the list or a null list means that we are
4174 * interested in deleting any messages which meet the other criteria.
4176 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4177 delete_this |= 0x01;
4180 for (j=0; j<num_dmsgnums; ++j) {
4181 if (msglist[i] == dmsgnums[j]) {
4182 delete_this |= 0x01;
4187 if (IsEmptyStr(content_type)) {
4188 delete_this |= 0x02;
4190 GetMetaData(&smi, msglist[i]);
4191 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4192 delete_this |= 0x02;
4196 /* Delete message only if all bits are set */
4197 if (delete_this == 0x03) {
4198 dellist[num_deleted++] = msglist[i];
4203 num_msgs = sort_msglist(msglist, num_msgs);
4204 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4205 msglist, (int)(num_msgs * sizeof(long)));
4207 qrbuf.QRhighest = msglist[num_msgs - 1];
4209 CtdlPutRoomLock(&qrbuf);
4211 /* Go through the messages we pulled out of the index, and decrement
4212 * their reference counts by 1. If this is the only room the message
4213 * was in, the reference count will reach zero and the message will
4214 * automatically be deleted from the database. We do this in a
4215 * separate pass because there might be plug-in hooks getting called,
4216 * and we don't want that happening during an S_ROOMS critical
4219 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4220 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4221 AdjRefCount(dellist[i], -1);
4224 /* Now free the memory we used, and go away. */
4225 if (msglist != NULL) free(msglist);
4226 if (dellist != NULL) free(dellist);
4227 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4228 if (need_to_free_re) regfree(&re);
4229 return (num_deleted);
4235 * Check whether the current user has permission to delete messages from
4236 * the current room (returns 1 for yes, 0 for no)
4238 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4240 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4241 if (ra & UA_DELETEALLOWED) return(1);
4249 * Delete message from current room
4251 void cmd_dele(char *args)
4260 extract_token(msgset, args, 0, '|', sizeof msgset);
4261 num_msgs = num_tokens(msgset, ',');
4263 cprintf("%d Nothing to do.\n", CIT_OK);
4267 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4268 cprintf("%d Higher access required.\n",
4269 ERROR + HIGHER_ACCESS_REQUIRED);
4274 * Build our message set to be moved/copied
4276 msgs = malloc(num_msgs * sizeof(long));
4277 for (i=0; i<num_msgs; ++i) {
4278 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4279 msgs[i] = atol(msgtok);
4282 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4286 cprintf("%d %d message%s deleted.\n", CIT_OK,
4287 num_deleted, ((num_deleted != 1) ? "s" : ""));
4289 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4297 * move or copy a message to another room
4299 void cmd_move(char *args)
4306 char targ[ROOMNAMELEN];
4307 struct ctdlroom qtemp;
4314 extract_token(msgset, args, 0, '|', sizeof msgset);
4315 num_msgs = num_tokens(msgset, ',');
4317 cprintf("%d Nothing to do.\n", CIT_OK);
4321 extract_token(targ, args, 1, '|', sizeof targ);
4322 convert_room_name_macros(targ, sizeof targ);
4323 targ[ROOMNAMELEN - 1] = 0;
4324 is_copy = extract_int(args, 2);
4326 if (CtdlGetRoom(&qtemp, targ) != 0) {
4327 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4331 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4332 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4336 CtdlGetUser(&CC->user, CC->curr_user);
4337 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4339 /* Check for permission to perform this operation.
4340 * Remember: "CC->room" is source, "qtemp" is target.
4344 /* Aides can move/copy */
4345 if (CC->user.axlevel >= 6) permit = 1;
4347 /* Room aides can move/copy */
4348 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4350 /* Permit move/copy from personal rooms */
4351 if ((CC->room.QRflags & QR_MAILBOX)
4352 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4354 /* Permit only copy from public to personal room */
4356 && (!(CC->room.QRflags & QR_MAILBOX))
4357 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4359 /* Permit message removal from collaborative delete rooms */
4360 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4362 /* Users allowed to post into the target room may move into it too. */
4363 if ((CC->room.QRflags & QR_MAILBOX) &&
4364 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4366 /* User must have access to target room */
4367 if (!(ra & UA_KNOWN)) permit = 0;
4370 cprintf("%d Higher access required.\n",
4371 ERROR + HIGHER_ACCESS_REQUIRED);
4376 * Build our message set to be moved/copied
4378 msgs = malloc(num_msgs * sizeof(long));
4379 for (i=0; i<num_msgs; ++i) {
4380 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4381 msgs[i] = atol(msgtok);
4387 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL);
4389 cprintf("%d Cannot store message(s) in %s: error %d\n",
4395 /* Now delete the message from the source room,
4396 * if this is a 'move' rather than a 'copy' operation.
4399 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4403 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4409 * GetMetaData() - Get the supplementary record for a message
4411 void GetMetaData(struct MetaData *smibuf, long msgnum)
4414 struct cdbdata *cdbsmi;
4417 memset(smibuf, 0, sizeof(struct MetaData));
4418 smibuf->meta_msgnum = msgnum;
4419 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4421 /* Use the negative of the message number for its supp record index */
4422 TheIndex = (0L - msgnum);
4424 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4425 if (cdbsmi == NULL) {
4426 return; /* record not found; go with defaults */
4428 memcpy(smibuf, cdbsmi->ptr,
4429 ((cdbsmi->len > sizeof(struct MetaData)) ?
4430 sizeof(struct MetaData) : cdbsmi->len));
4437 * PutMetaData() - (re)write supplementary record for a message
4439 void PutMetaData(struct MetaData *smibuf)
4443 /* Use the negative of the message number for the metadata db index */
4444 TheIndex = (0L - smibuf->meta_msgnum);
4446 cdb_store(CDB_MSGMAIN,
4447 &TheIndex, (int)sizeof(long),
4448 smibuf, (int)sizeof(struct MetaData));
4453 * AdjRefCount - submit an adjustment to the reference count for a message.
4454 * (These are just queued -- we actually process them later.)
4456 void AdjRefCount(long msgnum, int incr)
4458 struct arcq new_arcq;
4461 begin_critical_section(S_SUPPMSGMAIN);
4462 if (arcfp == NULL) {
4463 arcfp = fopen(file_arcq, "ab+");
4465 end_critical_section(S_SUPPMSGMAIN);
4467 /* msgnum < 0 means that we're trying to close the file */
4469 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4470 begin_critical_section(S_SUPPMSGMAIN);
4471 if (arcfp != NULL) {
4475 end_critical_section(S_SUPPMSGMAIN);
4480 * If we can't open the queue, perform the operation synchronously.
4482 if (arcfp == NULL) {
4483 TDAP_AdjRefCount(msgnum, incr);
4487 new_arcq.arcq_msgnum = msgnum;
4488 new_arcq.arcq_delta = incr;
4489 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4497 * TDAP_ProcessAdjRefCountQueue()
4499 * Process the queue of message count adjustments that was created by calls
4500 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4501 * for each one. This should be an "off hours" operation.
4503 int TDAP_ProcessAdjRefCountQueue(void)
4505 char file_arcq_temp[PATH_MAX];
4508 struct arcq arcq_rec;
4509 int num_records_processed = 0;
4511 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4513 begin_critical_section(S_SUPPMSGMAIN);
4514 if (arcfp != NULL) {
4519 r = link(file_arcq, file_arcq_temp);
4521 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4522 end_critical_section(S_SUPPMSGMAIN);
4523 return(num_records_processed);
4527 end_critical_section(S_SUPPMSGMAIN);
4529 fp = fopen(file_arcq_temp, "rb");
4531 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4532 return(num_records_processed);
4535 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4536 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4537 ++num_records_processed;
4541 r = unlink(file_arcq_temp);
4543 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4546 return(num_records_processed);
4552 * TDAP_AdjRefCount - adjust the reference count for a message.
4553 * This one does it "for real" because it's called by
4554 * the autopurger function that processes the queue
4555 * created by AdjRefCount(). If a message's reference
4556 * count becomes zero, we also delete the message from
4557 * disk and de-index it.
4559 void TDAP_AdjRefCount(long msgnum, int incr)
4562 struct MetaData smi;
4565 /* This is a *tight* critical section; please keep it that way, as
4566 * it may get called while nested in other critical sections.
4567 * Complicating this any further will surely cause deadlock!
4569 begin_critical_section(S_SUPPMSGMAIN);
4570 GetMetaData(&smi, msgnum);
4571 smi.meta_refcount += incr;
4573 end_critical_section(S_SUPPMSGMAIN);
4574 CtdlLogPrintf(CTDL_DEBUG, "msg %ld ref count delta %+d, is now %d\n",
4575 msgnum, incr, smi.meta_refcount);
4577 /* If the reference count is now zero, delete the message
4578 * (and its supplementary record as well).
4580 if (smi.meta_refcount == 0) {
4581 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4583 /* Call delete hooks with NULL room to show it has gone altogether */
4584 PerformDeleteHooks(NULL, msgnum);
4586 /* Remove from message base */
4588 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4589 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4591 /* Remove metadata record */
4592 delnum = (0L - msgnum);
4593 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4599 * Write a generic object to this room
4601 * Note: this could be much more efficient. Right now we use two temporary
4602 * files, and still pull the message into memory as with all others.
4604 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4605 char *content_type, /* MIME type of this object */
4606 char *raw_message, /* Data to be written */
4607 off_t raw_length, /* Size of raw_message */
4608 struct ctdluser *is_mailbox, /* Mailbox room? */
4609 int is_binary, /* Is encoding necessary? */
4610 int is_unique, /* Del others of this type? */
4611 unsigned int flags /* Internal save flags */
4615 struct ctdlroom qrbuf;
4616 char roomname[ROOMNAMELEN];
4617 struct CtdlMessage *msg;
4618 char *encoded_message = NULL;
4620 if (is_mailbox != NULL) {
4621 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4624 safestrncpy(roomname, req_room, sizeof(roomname));
4627 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4630 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4633 encoded_message = malloc((size_t)(raw_length + 4096));
4636 sprintf(encoded_message, "Content-type: %s\n", content_type);
4639 sprintf(&encoded_message[strlen(encoded_message)],
4640 "Content-transfer-encoding: base64\n\n"
4644 sprintf(&encoded_message[strlen(encoded_message)],
4645 "Content-transfer-encoding: 7bit\n\n"
4651 &encoded_message[strlen(encoded_message)],
4659 &encoded_message[strlen(encoded_message)],
4665 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4666 msg = malloc(sizeof(struct CtdlMessage));
4667 memset(msg, 0, sizeof(struct CtdlMessage));
4668 msg->cm_magic = CTDLMESSAGE_MAGIC;
4669 msg->cm_anon_type = MES_NORMAL;
4670 msg->cm_format_type = 4;
4671 msg->cm_fields['A'] = strdup(CC->user.fullname);
4672 msg->cm_fields['O'] = strdup(req_room);
4673 msg->cm_fields['N'] = strdup(config.c_nodename);
4674 msg->cm_fields['H'] = strdup(config.c_humannode);
4675 msg->cm_flags = flags;
4677 msg->cm_fields['M'] = encoded_message;
4679 /* Create the requested room if we have to. */
4680 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4681 CtdlCreateRoom(roomname,
4682 ( (is_mailbox != NULL) ? 5 : 3 ),
4683 "", 0, 1, 0, VIEW_BBS);
4685 /* If the caller specified this object as unique, delete all
4686 * other objects of this type that are currently in the room.
4689 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4690 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4693 /* Now write the data */
4694 CtdlSubmitMsg(msg, NULL, roomname, 0);
4695 CtdlFreeMessage(msg);
4703 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4704 config_msgnum = msgnum;
4708 char *CtdlGetSysConfig(char *sysconfname) {
4709 char hold_rm[ROOMNAMELEN];
4712 struct CtdlMessage *msg;
4715 strcpy(hold_rm, CC->room.QRname);
4716 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4717 CtdlGetRoom(&CC->room, hold_rm);
4722 /* We want the last (and probably only) config in this room */
4723 begin_critical_section(S_CONFIG);
4724 config_msgnum = (-1L);
4725 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4726 CtdlGetSysConfigBackend, NULL);
4727 msgnum = config_msgnum;
4728 end_critical_section(S_CONFIG);
4734 msg = CtdlFetchMessage(msgnum, 1);
4736 conf = strdup(msg->cm_fields['M']);
4737 CtdlFreeMessage(msg);
4744 CtdlGetRoom(&CC->room, hold_rm);
4746 if (conf != NULL) do {
4747 extract_token(buf, conf, 0, '\n', sizeof buf);
4748 strcpy(conf, &conf[strlen(buf)+1]);
4749 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4755 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4756 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4761 * Determine whether a given Internet address belongs to the current user
4763 int CtdlIsMe(char *addr, int addr_buf_len)
4765 struct recptypes *recp;
4768 recp = validate_recipients(addr, NULL, 0);
4769 if (recp == NULL) return(0);
4771 if (recp->num_local == 0) {
4772 free_recipients(recp);
4776 for (i=0; i<recp->num_local; ++i) {
4777 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4778 if (!strcasecmp(addr, CC->user.fullname)) {
4779 free_recipients(recp);
4784 free_recipients(recp);
4790 * Citadel protocol command to do the same
4792 void cmd_isme(char *argbuf) {
4795 if (CtdlAccessCheck(ac_logged_in)) return;
4796 extract_token(addr, argbuf, 0, '|', sizeof addr);
4798 if (CtdlIsMe(addr, sizeof addr)) {
4799 cprintf("%d %s\n", CIT_OK, addr);
4802 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
4808 /*****************************************************************************/
4809 /* MODULE INITIALIZATION STUFF */
4810 /*****************************************************************************/
4812 CTDL_MODULE_INIT(msgbase)
4815 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
4816 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
4817 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
4818 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
4819 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
4820 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
4821 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
4822 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
4823 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
4824 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
4825 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
4826 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
4829 /* return our Subversion id for the Log */