4 * Implements the message store.
6 * Copyright (c) 1987-2010 by the citadel.org team
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #if TIME_WITH_SYS_TIME
30 # include <sys/time.h>
34 # include <sys/time.h>
47 #include <sys/types.h>
49 #include <libcitadel.h>
52 #include "serv_extensions.h"
56 #include "sysdep_decls.h"
57 #include "citserver.h"
64 #include "internet_addressing.h"
65 #include "euidindex.h"
66 #include "journaling.h"
67 #include "citadel_dirs.h"
68 #include "clientsocket.h"
69 #include "serv_network.h"
72 #include "ctdl_module.h"
75 struct addresses_to_be_filed *atbf = NULL;
77 /* This temp file holds the queue of operations for AdjRefCount() */
78 static FILE *arcfp = NULL;
81 * This really belongs in serv_network.c, but I don't know how to export
82 * symbols between modules.
84 struct FilterList *filterlist = NULL;
88 * These are the four-character field headers we use when outputting
89 * messages in Citadel format (as opposed to RFC822 format).
92 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
93 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
96 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
98 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
99 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
128 * This function is self explanatory.
129 * (What can I say, I'm in a weird mood today...)
131 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
135 for (i = 0; i < strlen(name); ++i) {
136 if (name[i] == '@') {
137 while (isspace(name[i - 1]) && i > 0) {
138 strcpy(&name[i - 1], &name[i]);
141 while (isspace(name[i + 1])) {
142 strcpy(&name[i + 1], &name[i + 2]);
150 * Aliasing for network mail.
151 * (Error messages have been commented out, because this is a server.)
153 int alias(char *name)
154 { /* process alias and routing info for mail */
157 char aaa[SIZ], bbb[SIZ];
158 char *ignetcfg = NULL;
159 char *ignetmap = NULL;
165 char original_name[256];
166 safestrncpy(original_name, name, sizeof original_name);
169 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
170 stripallbut(name, '<', '>');
172 fp = fopen(file_mail_aliases, "r");
174 fp = fopen("/dev/null", "r");
181 while (fgets(aaa, sizeof aaa, fp) != NULL) {
182 while (isspace(name[0]))
183 strcpy(name, &name[1]);
184 aaa[strlen(aaa) - 1] = 0;
186 for (a = 0; a < strlen(aaa); ++a) {
188 strcpy(bbb, &aaa[a + 1]);
192 if (!strcasecmp(name, aaa))
197 /* Hit the Global Address Book */
198 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
202 if (strcasecmp(original_name, name)) {
203 CtdlLogPrintf(CTDL_INFO, "%s is being forwarded to %s\n", original_name, name);
206 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
207 for (a=0; a<strlen(name); ++a) {
208 if (name[a] == '@') {
209 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
211 CtdlLogPrintf(CTDL_INFO, "Changed to <%s>\n", name);
216 /* determine local or remote type, see citadel.h */
217 at = haschar(name, '@');
218 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
219 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
220 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
222 /* figure out the delivery mode */
223 extract_token(node, name, 1, '@', sizeof node);
225 /* If there are one or more dots in the nodename, we assume that it
226 * is an FQDN and will attempt SMTP delivery to the Internet.
228 if (haschar(node, '.') > 0) {
229 return(MES_INTERNET);
232 /* Otherwise we look in the IGnet maps for a valid Citadel node.
233 * Try directly-connected nodes first...
235 ignetcfg = CtdlGetSysConfig(IGNETCFG);
236 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
237 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
238 extract_token(testnode, buf, 0, '|', sizeof testnode);
239 if (!strcasecmp(node, testnode)) {
247 * Then try nodes that are two or more hops away.
249 ignetmap = CtdlGetSysConfig(IGNETMAP);
250 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
251 extract_token(buf, ignetmap, i, '\n', sizeof buf);
252 extract_token(testnode, buf, 0, '|', sizeof testnode);
253 if (!strcasecmp(node, testnode)) {
260 /* If we get to this point it's an invalid node name */
266 * Back end for the MSGS command: output message number only.
268 void simple_listing(long msgnum, void *userdata)
270 cprintf("%ld\n", msgnum);
276 * Back end for the MSGS command: output header summary.
278 void headers_listing(long msgnum, void *userdata)
280 struct CtdlMessage *msg;
282 msg = CtdlFetchMessage(msgnum, 0);
284 cprintf("%ld|0|||||\n", msgnum);
288 cprintf("%ld|%s|%s|%s|%s|%s|\n",
290 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
291 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
292 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
293 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
294 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
296 CtdlFreeMessage(msg);
300 * Back end for the MSGS command: output EUID header.
302 void headers_euid(long msgnum, void *userdata)
304 struct CtdlMessage *msg;
306 msg = CtdlFetchMessage(msgnum, 0);
308 cprintf("%ld||\n", msgnum);
312 cprintf("%ld|%s|\n", msgnum, (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""));
313 CtdlFreeMessage(msg);
320 /* Determine if a given message matches the fields in a message template.
321 * Return 0 for a successful match.
323 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
326 /* If there aren't any fields in the template, all messages will
329 if (template == NULL) return(0);
331 /* Null messages are bogus. */
332 if (msg == NULL) return(1);
334 for (i='A'; i<='Z'; ++i) {
335 if (template->cm_fields[i] != NULL) {
336 if (msg->cm_fields[i] == NULL) {
337 /* Considered equal if temmplate is empty string */
338 if (IsEmptyStr(template->cm_fields[i])) continue;
341 if (strcasecmp(msg->cm_fields[i],
342 template->cm_fields[i])) return 1;
346 /* All compares succeeded: we have a match! */
353 * Retrieve the "seen" message list for the current room.
355 void CtdlGetSeen(char *buf, int which_set) {
358 /* Learn about the user and room in question */
359 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
361 if (which_set == ctdlsetseen_seen)
362 safestrncpy(buf, vbuf.v_seen, SIZ);
363 if (which_set == ctdlsetseen_answered)
364 safestrncpy(buf, vbuf.v_answered, SIZ);
370 * Manipulate the "seen msgs" string (or other message set strings)
372 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
373 int target_setting, int which_set,
374 struct ctdluser *which_user, struct ctdlroom *which_room) {
375 struct cdbdata *cdbfr;
389 char *is_set; /* actually an array of booleans */
391 /* Don't bother doing *anything* if we were passed a list of zero messages */
392 if (num_target_msgnums < 1) {
396 /* If no room was specified, we go with the current room. */
398 which_room = &CC->room;
401 /* If no user was specified, we go with the current user. */
403 which_user = &CC->user;
406 CtdlLogPrintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
407 num_target_msgnums, target_msgnums[0],
408 (target_setting ? "SET" : "CLEAR"),
412 /* Learn about the user and room in question */
413 CtdlGetRelationship(&vbuf, which_user, which_room);
415 /* Load the message list */
416 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
418 msglist = (long *) cdbfr->ptr;
419 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
420 num_msgs = cdbfr->len / sizeof(long);
423 return; /* No messages at all? No further action. */
426 is_set = malloc(num_msgs * sizeof(char));
427 memset(is_set, 0, (num_msgs * sizeof(char)) );
429 /* Decide which message set we're manipulating */
431 case ctdlsetseen_seen:
432 vset = NewStrBufPlain(vbuf.v_seen, -1);
434 case ctdlsetseen_answered:
435 vset = NewStrBufPlain(vbuf.v_answered, -1);
442 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
443 CtdlLogPrintf(CTDL_DEBUG, "There are %d messages in the room.\n", num_msgs);
444 for (i=0; i<num_msgs; ++i) {
445 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
447 CtdlLogPrintf(CTDL_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
448 for (k=0; k<num_target_msgnums; ++k) {
449 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
453 CtdlLogPrintf(CTDL_DEBUG, "before update: %s\n", ChrPtr(vset));
455 /* Translate the existing sequence set into an array of booleans */
456 setstr = NewStrBuf();
460 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
462 StrBufExtract_token(lostr, setstr, 0, ':');
463 if (StrBufNum_tokens(setstr, ':') >= 2) {
464 StrBufExtract_token(histr, setstr, 1, ':');
468 StrBufAppendBuf(histr, lostr, 0);
471 if (!strcmp(ChrPtr(histr), "*")) {
478 for (i = 0; i < num_msgs; ++i) {
479 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
489 /* Now translate the array of booleans back into a sequence set */
495 for (i=0; i<num_msgs; ++i) {
499 for (k=0; k<num_target_msgnums; ++k) {
500 if (msglist[i] == target_msgnums[k]) {
501 is_seen = target_setting;
505 if ((was_seen == 0) && (is_seen == 1)) {
508 else if ((was_seen == 1) && (is_seen == 0)) {
511 if (StrLength(vset) > 0) {
512 StrBufAppendBufPlain(vset, HKEY(","), 0);
515 StrBufAppendPrintf(vset, "%ld", hi);
518 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
522 if ((is_seen) && (i == num_msgs - 1)) {
523 if (StrLength(vset) > 0) {
524 StrBufAppendBufPlain(vset, HKEY(","), 0);
526 if ((i==0) || (was_seen == 0)) {
527 StrBufAppendPrintf(vset, "%ld", msglist[i]);
530 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
538 * We will have to stuff this string back into a 4096 byte buffer, so if it's
539 * larger than that now, truncate it by removing tokens from the beginning.
540 * The limit of 100 iterations is there to prevent an infinite loop in case
541 * something unexpected happens.
543 int number_of_truncations = 0;
544 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
545 StrBufRemove_token(vset, 0, ',');
546 ++number_of_truncations;
550 * If we're truncating the sequence set of messages marked with the 'seen' flag,
551 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
552 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
554 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
556 first_tok = NewStrBuf();
557 StrBufExtract_token(first_tok, vset, 0, ',');
558 StrBufRemove_token(vset, 0, ',');
560 if (StrBufNum_tokens(first_tok, ':') > 1) {
561 StrBufRemove_token(first_tok, 0, ':');
565 new_set = NewStrBuf();
566 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
567 StrBufAppendBuf(new_set, first_tok, 0);
568 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
569 StrBufAppendBuf(new_set, vset, 0);
572 FreeStrBuf(&first_tok);
576 CtdlLogPrintf(CTDL_DEBUG, " after update: %s\n", ChrPtr(vset));
578 /* Decide which message set we're manipulating */
580 case ctdlsetseen_seen:
581 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
583 case ctdlsetseen_answered:
584 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
590 CtdlSetRelationship(&vbuf, which_user, which_room);
596 * API function to perform an operation for each qualifying message in the
597 * current room. (Returns the number of messages processed.)
599 int CtdlForEachMessage(int mode, long ref, char *search_string,
601 struct CtdlMessage *compare,
602 ForEachMsgCallback CallBack,
608 struct cdbdata *cdbfr;
609 long *msglist = NULL;
611 int num_processed = 0;
614 struct CtdlMessage *msg = NULL;
617 int printed_lastold = 0;
618 int num_search_msgs = 0;
619 long *search_msgs = NULL;
621 int need_to_free_re = 0;
624 if ((content_type) && (!IsEmptyStr(content_type))) {
625 regcomp(&re, content_type, 0);
629 /* Learn about the user and room in question */
630 CtdlGetUser(&CC->user, CC->curr_user);
631 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
633 /* Load the message list */
634 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
636 msglist = (long *) cdbfr->ptr;
637 num_msgs = cdbfr->len / sizeof(long);
639 if (need_to_free_re) regfree(&re);
640 return 0; /* No messages at all? No further action. */
645 * Now begin the traversal.
647 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
649 /* If the caller is looking for a specific MIME type, filter
650 * out all messages which are not of the type requested.
652 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
654 /* This call to GetMetaData() sits inside this loop
655 * so that we only do the extra database read per msg
656 * if we need to. Doing the extra read all the time
657 * really kills the server. If we ever need to use
658 * metadata for another search criterion, we need to
659 * move the read somewhere else -- but still be smart
660 * enough to only do the read if the caller has
661 * specified something that will need it.
663 GetMetaData(&smi, msglist[a]);
665 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
666 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
672 num_msgs = sort_msglist(msglist, num_msgs);
674 /* If a template was supplied, filter out the messages which
675 * don't match. (This could induce some delays!)
678 if (compare != NULL) {
679 for (a = 0; a < num_msgs; ++a) {
680 msg = CtdlFetchMessage(msglist[a], 1);
682 if (CtdlMsgCmp(msg, compare)) {
685 CtdlFreeMessage(msg);
691 /* If a search string was specified, get a message list from
692 * the full text index and remove messages which aren't on both
696 * Since the lists are sorted and strictly ascending, and the
697 * output list is guaranteed to be shorter than or equal to the
698 * input list, we overwrite the bottom of the input list. This
699 * eliminates the need to memmove big chunks of the list over and
702 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
704 /* Call search module via hook mechanism.
705 * NULL means use any search function available.
706 * otherwise replace with a char * to name of search routine
708 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
710 if (num_search_msgs > 0) {
714 orig_num_msgs = num_msgs;
716 for (i=0; i<orig_num_msgs; ++i) {
717 for (j=0; j<num_search_msgs; ++j) {
718 if (msglist[i] == search_msgs[j]) {
719 msglist[num_msgs++] = msglist[i];
725 num_msgs = 0; /* No messages qualify */
727 if (search_msgs != NULL) free(search_msgs);
729 /* Now that we've purged messages which don't contain the search
730 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
737 * Now iterate through the message list, according to the
738 * criteria supplied by the caller.
741 for (a = 0; a < num_msgs; ++a) {
742 thismsg = msglist[a];
743 if (mode == MSGS_ALL) {
747 is_seen = is_msg_in_sequence_set(
748 vbuf.v_seen, thismsg);
749 if (is_seen) lastold = thismsg;
755 || ((mode == MSGS_OLD) && (is_seen))
756 || ((mode == MSGS_NEW) && (!is_seen))
757 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
758 || ((mode == MSGS_FIRST) && (a < ref))
759 || ((mode == MSGS_GT) && (thismsg > ref))
760 || ((mode == MSGS_LT) && (thismsg < ref))
761 || ((mode == MSGS_EQ) && (thismsg == ref))
764 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
766 CallBack(lastold, userdata);
770 if (CallBack) CallBack(thismsg, userdata);
774 cdb_free(cdbfr); /* Clean up */
775 if (need_to_free_re) regfree(&re);
776 return num_processed;
782 * cmd_msgs() - get list of message #'s in this room
783 * implements the MSGS server command using CtdlForEachMessage()
785 void cmd_msgs(char *cmdbuf)
794 int with_template = 0;
795 struct CtdlMessage *template = NULL;
796 char search_string[1024];
797 ForEachMsgCallback CallBack;
799 extract_token(which, cmdbuf, 0, '|', sizeof which);
800 cm_ref = extract_int(cmdbuf, 1);
801 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
802 with_template = extract_int(cmdbuf, 2);
803 switch (extract_int(cmdbuf, 3))
807 CallBack = simple_listing;
810 CallBack = headers_listing;
813 CallBack = headers_euid;
818 if (!strncasecmp(which, "OLD", 3))
820 else if (!strncasecmp(which, "NEW", 3))
822 else if (!strncasecmp(which, "FIRST", 5))
824 else if (!strncasecmp(which, "LAST", 4))
826 else if (!strncasecmp(which, "GT", 2))
828 else if (!strncasecmp(which, "LT", 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 const char *nl /* string to terminate lines with */
940 while (ch=*(mptr++), ch > 0) {
943 client_write(outbuf, len);
945 client_write(nl, nllen);
948 else if (ch == '\r') {
949 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
951 else if (isspace(ch)) {
952 if (column > 72) { /* Beyond 72 columns, break on the next space */
953 client_write(outbuf, len);
955 client_write(nl, nllen);
966 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
967 client_write(outbuf, len);
969 client_write(nl, nllen);
975 client_write(outbuf, len);
977 client_write(nl, nllen);
985 * Callback function for mime parser that simply lists the part
987 void list_this_part(char *name, char *filename, char *partnum, char *disp,
988 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
989 char *cbid, void *cbuserdata)
993 ma = (struct ma_info *)cbuserdata;
994 if (ma->is_ma == 0) {
995 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1008 * Callback function for multipart prefix
1010 void list_this_pref(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 (!strcasecmp(cbtype, "multipart/alternative")) {
1021 if (ma->is_ma == 0) {
1022 cprintf("pref=%s|%s\n", partnum, cbtype);
1027 * Callback function for multipart sufffix
1029 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1030 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1031 char *cbid, void *cbuserdata)
1035 ma = (struct ma_info *)cbuserdata;
1036 if (ma->is_ma == 0) {
1037 cprintf("suff=%s|%s\n", partnum, cbtype);
1039 if (!strcasecmp(cbtype, "multipart/alternative")) {
1046 * Callback function for mime parser that opens a section for downloading
1048 void mime_download(char *name, char *filename, char *partnum, char *disp,
1049 void *content, char *cbtype, char *cbcharset, size_t length,
1050 char *encoding, char *cbid, void *cbuserdata)
1054 /* Silently go away if there's already a download open. */
1055 if (CC->download_fp != NULL)
1059 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1060 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1062 CC->download_fp = tmpfile();
1063 if (CC->download_fp == NULL)
1066 rv = fwrite(content, length, 1, CC->download_fp);
1067 fflush(CC->download_fp);
1068 rewind(CC->download_fp);
1070 OpenCmdResult(filename, cbtype);
1077 * Callback function for mime parser that outputs a section all at once.
1078 * We can specify the desired section by part number *or* content-id.
1080 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1081 void *content, char *cbtype, char *cbcharset, size_t length,
1082 char *encoding, char *cbid, void *cbuserdata)
1084 int *found_it = (int *)cbuserdata;
1087 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1088 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1091 cprintf("%d %d|-1|%s|%s|%s\n",
1098 client_write(content, length);
1105 * Load a message from disk into memory.
1106 * This is used by CtdlOutputMsg() and other fetch functions.
1108 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1109 * using the CtdlMessageFree() function.
1111 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1113 struct cdbdata *dmsgtext;
1114 struct CtdlMessage *ret = NULL;
1118 cit_uint8_t field_header;
1120 CtdlLogPrintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1122 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1123 if (dmsgtext == NULL) {
1126 mptr = dmsgtext->ptr;
1127 upper_bound = mptr + dmsgtext->len;
1129 /* Parse the three bytes that begin EVERY message on disk.
1130 * The first is always 0xFF, the on-disk magic number.
1131 * The second is the anonymous/public type byte.
1132 * The third is the format type byte (vari, fixed, or MIME).
1136 CtdlLogPrintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1140 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1141 memset(ret, 0, sizeof(struct CtdlMessage));
1143 ret->cm_magic = CTDLMESSAGE_MAGIC;
1144 ret->cm_anon_type = *mptr++; /* Anon type byte */
1145 ret->cm_format_type = *mptr++; /* Format type byte */
1148 * The rest is zero or more arbitrary fields. Load them in.
1149 * We're done when we encounter either a zero-length field or
1150 * have just processed the 'M' (message text) field.
1153 if (mptr >= upper_bound) {
1156 field_header = *mptr++;
1157 ret->cm_fields[field_header] = strdup(mptr);
1159 while (*mptr++ != 0); /* advance to next field */
1161 } while ((mptr < upper_bound) && (field_header != 'M'));
1165 /* Always make sure there's something in the msg text field. If
1166 * it's NULL, the message text is most likely stored separately,
1167 * so go ahead and fetch that. Failing that, just set a dummy
1168 * body so other code doesn't barf.
1170 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1171 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1172 if (dmsgtext != NULL) {
1173 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1177 if (ret->cm_fields['M'] == NULL) {
1178 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1181 /* Perform "before read" hooks (aborting if any return nonzero) */
1182 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1183 CtdlFreeMessage(ret);
1192 * Returns 1 if the supplied pointer points to a valid Citadel message.
1193 * If the pointer is NULL or the magic number check fails, returns 0.
1195 int is_valid_message(struct CtdlMessage *msg) {
1198 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1199 CtdlLogPrintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1207 * 'Destructor' for struct CtdlMessage
1209 void CtdlFreeMessage(struct CtdlMessage *msg)
1213 if (is_valid_message(msg) == 0)
1215 if (msg != NULL) free (msg);
1219 for (i = 0; i < 256; ++i)
1220 if (msg->cm_fields[i] != NULL) {
1221 free(msg->cm_fields[i]);
1224 msg->cm_magic = 0; /* just in case */
1230 * Pre callback function for multipart/alternative
1232 * NOTE: this differs from the standard behavior for a reason. Normally when
1233 * displaying multipart/alternative you want to show the _last_ usable
1234 * format in the message. Here we show the _first_ one, because it's
1235 * usually text/plain. Since this set of functions is designed for text
1236 * output to non-MIME-aware clients, this is the desired behavior.
1239 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1240 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1241 char *cbid, void *cbuserdata)
1245 ma = (struct ma_info *)cbuserdata;
1246 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1247 if (!strcasecmp(cbtype, "multipart/alternative")) {
1251 if (!strcasecmp(cbtype, "message/rfc822")) {
1257 * Post callback function for multipart/alternative
1259 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1260 void *content, char *cbtype, char *cbcharset, size_t length,
1261 char *encoding, char *cbid, void *cbuserdata)
1265 ma = (struct ma_info *)cbuserdata;
1266 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1267 if (!strcasecmp(cbtype, "multipart/alternative")) {
1271 if (!strcasecmp(cbtype, "message/rfc822")) {
1277 * Inline callback function for mime parser that wants to display text
1279 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1280 void *content, char *cbtype, char *cbcharset, size_t length,
1281 char *encoding, char *cbid, void *cbuserdata)
1288 ma = (struct ma_info *)cbuserdata;
1290 CtdlLogPrintf(CTDL_DEBUG,
1291 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1292 partnum, filename, cbtype, (long)length);
1295 * If we're in the middle of a multipart/alternative scope and
1296 * we've already printed another section, skip this one.
1298 if ( (ma->is_ma) && (ma->did_print) ) {
1299 CtdlLogPrintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1304 if ( (!strcasecmp(cbtype, "text/plain"))
1305 || (IsEmptyStr(cbtype)) ) {
1308 client_write(wptr, length);
1309 if (wptr[length-1] != '\n') {
1316 if (!strcasecmp(cbtype, "text/html")) {
1317 ptr = html_to_ascii(content, length, 80, 0);
1319 client_write(ptr, wlen);
1320 if (ptr[wlen-1] != '\n') {
1327 if (ma->use_fo_hooks) {
1328 if (PerformFixedOutputHooks(cbtype, content, length)) {
1329 /* above function returns nonzero if it handled the part */
1334 if (strncasecmp(cbtype, "multipart/", 10)) {
1335 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1336 partnum, filename, cbtype, (long)length);
1342 * The client is elegant and sophisticated and wants to be choosy about
1343 * MIME content types, so figure out which multipart/alternative part
1344 * we're going to send.
1346 * We use a system of weights. When we find a part that matches one of the
1347 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1348 * and then set ma->chosen_pref to that MIME type's position in our preference
1349 * list. If we then hit another match, we only replace the first match if
1350 * the preference value is lower.
1352 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1353 void *content, char *cbtype, char *cbcharset, size_t length,
1354 char *encoding, char *cbid, void *cbuserdata)
1360 ma = (struct ma_info *)cbuserdata;
1362 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1363 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1364 // I don't know if there are any side effects! Please TEST TEST TEST
1365 //if (ma->is_ma > 0) {
1367 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1368 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1369 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1370 if (i < ma->chosen_pref) {
1371 CtdlLogPrintf(CTDL_DEBUG, "Setting chosen part: <%s>\n", partnum);
1372 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1373 ma->chosen_pref = i;
1380 * Now that we've chosen our preferred part, output it.
1382 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1383 void *content, char *cbtype, char *cbcharset, size_t length,
1384 char *encoding, char *cbid, void *cbuserdata)
1388 int add_newline = 0;
1392 ma = (struct ma_info *)cbuserdata;
1394 /* This is not the MIME part you're looking for... */
1395 if (strcasecmp(partnum, ma->chosen_part)) return;
1397 /* If the content-type of this part is in our preferred formats
1398 * list, we can simply output it verbatim.
1400 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1401 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1402 if (!strcasecmp(buf, cbtype)) {
1403 /* Yeah! Go! W00t!! */
1405 text_content = (char *)content;
1406 if (text_content[length-1] != '\n') {
1409 cprintf("Content-type: %s", cbtype);
1410 if (!IsEmptyStr(cbcharset)) {
1411 cprintf("; charset=%s", cbcharset);
1413 cprintf("\nContent-length: %d\n",
1414 (int)(length + add_newline) );
1415 if (!IsEmptyStr(encoding)) {
1416 cprintf("Content-transfer-encoding: %s\n", encoding);
1419 cprintf("Content-transfer-encoding: 7bit\n");
1421 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1423 client_write(content, length);
1424 if (add_newline) cprintf("\n");
1429 /* No translations required or possible: output as text/plain */
1430 cprintf("Content-type: text/plain\n\n");
1431 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1432 length, encoding, cbid, cbuserdata);
1437 char desired_section[64];
1444 * Callback function for
1446 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1447 void *content, char *cbtype, char *cbcharset, size_t length,
1448 char *encoding, char *cbid, void *cbuserdata)
1450 struct encapmsg *encap;
1452 encap = (struct encapmsg *)cbuserdata;
1454 /* Only proceed if this is the desired section... */
1455 if (!strcasecmp(encap->desired_section, partnum)) {
1456 encap->msglen = length;
1457 encap->msg = malloc(length + 2);
1458 memcpy(encap->msg, content, length);
1469 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1470 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1471 return(om_not_logged_in);
1478 * Get a message off disk. (returns om_* values found in msgbase.h)
1481 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1482 int mode, /* how would you like that message? */
1483 int headers_only, /* eschew the message body? */
1484 int do_proto, /* do Citadel protocol responses? */
1485 int crlf, /* Use CRLF newlines instead of LF? */
1486 char *section, /* NULL or a message/rfc822 section */
1487 int flags /* various flags; see msgbase.h */
1489 struct CtdlMessage *TheMessage = NULL;
1490 int retcode = om_no_such_msg;
1491 struct encapmsg encap;
1494 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1496 (section ? section : "<>")
1499 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1502 if (r == om_not_logged_in) {
1503 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1506 cprintf("%d An unknown error has occurred.\n", ERROR);
1512 /* FIXME: check message id against msglist for this room */
1515 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1516 * request that we don't even bother loading the body into memory.
1518 if (headers_only == HEADERS_FAST) {
1519 TheMessage = CtdlFetchMessage(msg_num, 0);
1522 TheMessage = CtdlFetchMessage(msg_num, 1);
1525 if (TheMessage == NULL) {
1526 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1527 ERROR + MESSAGE_NOT_FOUND, msg_num);
1528 return(om_no_such_msg);
1531 /* Here is the weird form of this command, to process only an
1532 * encapsulated message/rfc822 section.
1534 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1535 memset(&encap, 0, sizeof encap);
1536 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1537 mime_parser(TheMessage->cm_fields['M'],
1539 *extract_encapsulated_message,
1540 NULL, NULL, (void *)&encap, 0
1542 CtdlFreeMessage(TheMessage);
1546 encap.msg[encap.msglen] = 0;
1547 TheMessage = convert_internet_message(encap.msg);
1548 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1550 /* Now we let it fall through to the bottom of this
1551 * function, because TheMessage now contains the
1552 * encapsulated message instead of the top-level
1553 * message. Isn't that neat?
1558 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1559 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1560 retcode = om_no_such_msg;
1565 /* Ok, output the message now */
1566 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1567 CtdlFreeMessage(TheMessage);
1573 char *qp_encode_email_addrs(char *source)
1575 char user[256], node[256], name[256];
1576 const char headerStr[] = "=?UTF-8?Q?";
1580 int need_to_encode = 0;
1586 long nAddrPtrMax = 50;
1591 if (source == NULL) return source;
1592 if (IsEmptyStr(source)) return source;
1594 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1595 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1596 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1599 while (!IsEmptyStr (&source[i])) {
1600 if (nColons >= nAddrPtrMax){
1603 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1604 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1605 free (AddrPtr), AddrPtr = ptr;
1607 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1608 memset(&ptr[nAddrPtrMax], 0,
1609 sizeof (long) * nAddrPtrMax);
1611 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1612 free (AddrUtf8), AddrUtf8 = ptr;
1615 if (((unsigned char) source[i] < 32) ||
1616 ((unsigned char) source[i] > 126)) {
1618 AddrUtf8[nColons] = 1;
1620 if (source[i] == '"')
1621 InQuotes = !InQuotes;
1622 if (!InQuotes && source[i] == ',') {
1623 AddrPtr[nColons] = i;
1628 if (need_to_encode == 0) {
1635 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1636 Encoded = (char*) malloc (EncodedMaxLen);
1638 for (i = 0; i < nColons; i++)
1639 source[AddrPtr[i]++] = '\0';
1643 for (i = 0; i < nColons && nPtr != NULL; i++) {
1644 nmax = EncodedMaxLen - (nPtr - Encoded);
1646 process_rfc822_addr(&source[AddrPtr[i]],
1650 /* TODO: libIDN here ! */
1651 if (IsEmptyStr(name)) {
1652 n = snprintf(nPtr, nmax,
1653 (i==0)?"%s@%s" : ",%s@%s",
1657 EncodedName = rfc2047encode(name, strlen(name));
1658 n = snprintf(nPtr, nmax,
1659 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1660 EncodedName, user, node);
1665 n = snprintf(nPtr, nmax,
1666 (i==0)?"%s" : ",%s",
1667 &source[AddrPtr[i]]);
1673 ptr = (char*) malloc(EncodedMaxLen * 2);
1674 memcpy(ptr, Encoded, EncodedMaxLen);
1675 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1676 free(Encoded), Encoded = ptr;
1678 i--; /* do it once more with properly lengthened buffer */
1681 for (i = 0; i < nColons; i++)
1682 source[--AddrPtr[i]] = ',';
1689 /* If the last item in a list of recipients was truncated to a partial address,
1690 * remove it completely in order to avoid choking libSieve
1692 void sanitize_truncated_recipient(char *str)
1695 if (num_tokens(str, ',') < 2) return;
1697 int len = strlen(str);
1698 if (len < 900) return;
1699 if (len > 998) str[998] = 0;
1701 char *cptr = strrchr(str, ',');
1704 char *lptr = strchr(cptr, '<');
1705 char *rptr = strchr(cptr, '>');
1707 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1715 * Get a message off disk. (returns om_* values found in msgbase.h)
1717 int CtdlOutputPreLoadedMsg(
1718 struct CtdlMessage *TheMessage,
1719 int mode, /* how would you like that message? */
1720 int headers_only, /* eschew the message body? */
1721 int do_proto, /* do Citadel protocol responses? */
1722 int crlf, /* Use CRLF newlines instead of LF? */
1723 int flags /* should the bessage be exported clean? */
1727 cit_uint8_t ch, prev_ch;
1729 char display_name[256];
1731 const char *nl; /* newline string */
1733 int subject_found = 0;
1736 /* Buffers needed for RFC822 translation. These are all filled
1737 * using functions that are bounds-checked, and therefore we can
1738 * make them substantially smaller than SIZ.
1745 char datestamp[100];
1747 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1748 ((TheMessage == NULL) ? "NULL" : "not null"),
1749 mode, headers_only, do_proto, crlf);
1751 strcpy(mid, "unknown");
1752 nl = (crlf ? "\r\n" : "\n");
1754 if (!is_valid_message(TheMessage)) {
1755 CtdlLogPrintf(CTDL_ERR,
1756 "ERROR: invalid preloaded message for output\n");
1758 return(om_no_such_msg);
1761 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
1762 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
1764 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
1765 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
1768 /* Are we downloading a MIME component? */
1769 if (mode == MT_DOWNLOAD) {
1770 if (TheMessage->cm_format_type != FMT_RFC822) {
1772 cprintf("%d This is not a MIME message.\n",
1773 ERROR + ILLEGAL_VALUE);
1774 } else if (CC->download_fp != NULL) {
1775 if (do_proto) cprintf(
1776 "%d You already have a download open.\n",
1777 ERROR + RESOURCE_BUSY);
1779 /* Parse the message text component */
1780 mptr = TheMessage->cm_fields['M'];
1781 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1782 /* If there's no file open by this time, the requested
1783 * section wasn't found, so print an error
1785 if (CC->download_fp == NULL) {
1786 if (do_proto) cprintf(
1787 "%d Section %s not found.\n",
1788 ERROR + FILE_NOT_FOUND,
1789 CC->download_desired_section);
1792 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1795 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1796 * in a single server operation instead of opening a download file.
1798 if (mode == MT_SPEW_SECTION) {
1799 if (TheMessage->cm_format_type != FMT_RFC822) {
1801 cprintf("%d This is not a MIME message.\n",
1802 ERROR + ILLEGAL_VALUE);
1804 /* Parse the message text component */
1807 mptr = TheMessage->cm_fields['M'];
1808 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1809 /* If section wasn't found, print an error
1812 if (do_proto) cprintf(
1813 "%d Section %s not found.\n",
1814 ERROR + FILE_NOT_FOUND,
1815 CC->download_desired_section);
1818 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1821 /* now for the user-mode message reading loops */
1822 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1824 /* Does the caller want to skip the headers? */
1825 if (headers_only == HEADERS_NONE) goto START_TEXT;
1827 /* Tell the client which format type we're using. */
1828 if ( (mode == MT_CITADEL) && (do_proto) ) {
1829 cprintf("type=%d\n", TheMessage->cm_format_type);
1832 /* nhdr=yes means that we're only displaying headers, no body */
1833 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1834 && ((mode == MT_CITADEL) || (mode == MT_MIME))
1837 cprintf("nhdr=yes\n");
1840 /* begin header processing loop for Citadel message format */
1842 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1844 safestrncpy(display_name, "<unknown>", sizeof display_name);
1845 if (TheMessage->cm_fields['A']) {
1846 strcpy(buf, TheMessage->cm_fields['A']);
1847 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1848 safestrncpy(display_name, "****", sizeof display_name);
1850 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1851 safestrncpy(display_name, "anonymous", sizeof display_name);
1854 safestrncpy(display_name, buf, sizeof display_name);
1856 if ((is_room_aide())
1857 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1858 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1859 size_t tmp = strlen(display_name);
1860 snprintf(&display_name[tmp],
1861 sizeof display_name - tmp,
1866 /* Don't show Internet address for users on the
1867 * local Citadel network.
1870 if (TheMessage->cm_fields['N'] != NULL)
1871 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1872 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1876 /* Now spew the header fields in the order we like them. */
1877 safestrncpy(allkeys, FORDER, sizeof allkeys);
1878 for (i=0; i<strlen(allkeys); ++i) {
1879 k = (int) allkeys[i];
1881 if ( (TheMessage->cm_fields[k] != NULL)
1882 && (msgkeys[k] != NULL) ) {
1883 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1884 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1887 if (do_proto) cprintf("%s=%s\n",
1891 else if ((k == 'F') && (suppress_f)) {
1894 /* Masquerade display name if needed */
1896 if (do_proto) cprintf("%s=%s\n",
1898 TheMessage->cm_fields[k]
1907 /* begin header processing loop for RFC822 transfer format */
1912 strcpy(snode, NODENAME);
1913 if (mode == MT_RFC822) {
1914 for (i = 0; i < 256; ++i) {
1915 if (TheMessage->cm_fields[i]) {
1916 mptr = mpptr = TheMessage->cm_fields[i];
1919 safestrncpy(luser, mptr, sizeof luser);
1920 safestrncpy(suser, mptr, sizeof suser);
1922 else if (i == 'Y') {
1923 if ((flags & QP_EADDR) != 0) {
1924 mptr = qp_encode_email_addrs(mptr);
1926 sanitize_truncated_recipient(mptr);
1927 cprintf("CC: %s%s", mptr, nl);
1929 else if (i == 'P') {
1930 cprintf("Return-Path: %s%s", mptr, nl);
1932 else if (i == 'L') {
1933 cprintf("List-ID: %s%s", mptr, nl);
1935 else if (i == 'V') {
1936 if ((flags & QP_EADDR) != 0)
1937 mptr = qp_encode_email_addrs(mptr);
1938 cprintf("Envelope-To: %s%s", mptr, nl);
1940 else if (i == 'U') {
1941 cprintf("Subject: %s%s", mptr, nl);
1945 safestrncpy(mid, mptr, sizeof mid);
1947 safestrncpy(fuser, mptr, sizeof fuser);
1948 /* else if (i == 'O')
1949 cprintf("X-Citadel-Room: %s%s",
1952 safestrncpy(snode, mptr, sizeof snode);
1955 if (haschar(mptr, '@') == 0)
1957 sanitize_truncated_recipient(mptr);
1958 cprintf("To: %s@%s", mptr, config.c_fqdn);
1963 if ((flags & QP_EADDR) != 0) {
1964 mptr = qp_encode_email_addrs(mptr);
1966 sanitize_truncated_recipient(mptr);
1967 cprintf("To: %s", mptr);
1971 else if (i == 'T') {
1972 datestring(datestamp, sizeof datestamp,
1973 atol(mptr), DATESTRING_RFC822);
1974 cprintf("Date: %s%s", datestamp, nl);
1976 else if (i == 'W') {
1977 cprintf("References: ");
1978 k = num_tokens(mptr, '|');
1979 for (j=0; j<k; ++j) {
1980 extract_token(buf, mptr, j, '|', sizeof buf);
1981 cprintf("<%s>", buf);
1994 if (subject_found == 0) {
1995 cprintf("Subject: (no subject)%s", nl);
1999 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2000 suser[i] = tolower(suser[i]);
2001 if (!isalnum(suser[i])) suser[i]='_';
2004 if (mode == MT_RFC822) {
2005 if (!strcasecmp(snode, NODENAME)) {
2006 safestrncpy(snode, FQDN, sizeof snode);
2009 /* Construct a fun message id */
2010 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2011 if (strchr(mid, '@')==NULL) {
2012 cprintf("@%s", snode);
2016 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2017 cprintf("From: \"----\" <x@x.org>%s", nl);
2019 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2020 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2022 else if (!IsEmptyStr(fuser)) {
2023 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2026 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2029 /* Blank line signifying RFC822 end-of-headers */
2030 if (TheMessage->cm_format_type != FMT_RFC822) {
2035 /* end header processing loop ... at this point, we're in the text */
2037 if (headers_only == HEADERS_FAST) goto DONE;
2038 mptr = TheMessage->cm_fields['M'];
2040 /* Tell the client about the MIME parts in this message */
2041 if (TheMessage->cm_format_type == FMT_RFC822) {
2042 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2043 memset(&ma, 0, sizeof(struct ma_info));
2044 mime_parser(mptr, NULL,
2045 (do_proto ? *list_this_part : NULL),
2046 (do_proto ? *list_this_pref : NULL),
2047 (do_proto ? *list_this_suff : NULL),
2050 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2052 const char *StartOfText = StrBufNOTNULL;
2056 int nllen = strlen(nl);
2058 while (*mptr != '\0') {
2059 if (*mptr == '\r') {
2066 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2068 eoh = *(mptr+1) == '\n';
2072 StartOfText = strchr(StartOfText, '\n');
2073 StartOfText = strchr(StartOfText, '\n');
2076 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2077 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2078 ((headers_only != HEADERS_NONE) &&
2079 (headers_only != HEADERS_ONLY))
2081 if (*mptr == '\n') {
2082 memcpy(&outbuf[outlen], nl, nllen);
2084 outbuf[outlen] = '\0';
2087 outbuf[outlen++] = *mptr;
2091 if (flags & ESC_DOT)
2093 if ((prev_ch == '\n') &&
2095 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2097 outbuf[outlen++] = '.';
2102 if (outlen > 1000) {
2103 client_write(outbuf, outlen);
2108 client_write(outbuf, outlen);
2116 if (headers_only == HEADERS_ONLY) {
2120 /* signify start of msg text */
2121 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2122 if (do_proto) cprintf("text\n");
2125 /* If the format type on disk is 1 (fixed-format), then we want
2126 * everything to be output completely literally ... regardless of
2127 * what message transfer format is in use.
2129 if (TheMessage->cm_format_type == FMT_FIXED) {
2132 int nllen = strlen (nl);
2133 if (mode == MT_MIME) {
2134 cprintf("Content-type: text/plain\n\n");
2138 while (ch = *mptr++, ch > 0) {
2142 if ((buflen > 250) && (!xlline)){
2146 while ((buflen > 0) &&
2147 (!isspace(buf[buflen])))
2153 mptr -= tbuflen - buflen;
2158 /* if we reach the outer bounds of our buffer,
2159 abort without respect what whe purge. */
2162 (buflen > SIZ - nllen - 2)))
2166 memcpy (&buf[buflen], nl, nllen);
2170 client_write(buf, buflen);
2180 if (!IsEmptyStr(buf))
2181 cprintf("%s%s", buf, nl);
2184 /* If the message on disk is format 0 (Citadel vari-format), we
2185 * output using the formatter at 80 columns. This is the final output
2186 * form if the transfer format is RFC822, but if the transfer format
2187 * is Citadel proprietary, it'll still work, because the indentation
2188 * for new paragraphs is correct and the client will reformat the
2189 * message to the reader's screen width.
2191 if (TheMessage->cm_format_type == FMT_CITADEL) {
2192 if (mode == MT_MIME) {
2193 cprintf("Content-type: text/x-citadel-variformat\n\n");
2198 /* If the message on disk is format 4 (MIME), we've gotta hand it
2199 * off to the MIME parser. The client has already been told that
2200 * this message is format 1 (fixed format), so the callback function
2201 * we use will display those parts as-is.
2203 if (TheMessage->cm_format_type == FMT_RFC822) {
2204 memset(&ma, 0, sizeof(struct ma_info));
2206 if (mode == MT_MIME) {
2207 ma.use_fo_hooks = 0;
2208 strcpy(ma.chosen_part, "1");
2209 ma.chosen_pref = 9999;
2210 mime_parser(mptr, NULL,
2211 *choose_preferred, *fixed_output_pre,
2212 *fixed_output_post, (void *)&ma, 0);
2213 mime_parser(mptr, NULL,
2214 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2217 ma.use_fo_hooks = 1;
2218 mime_parser(mptr, NULL,
2219 *fixed_output, *fixed_output_pre,
2220 *fixed_output_post, (void *)&ma, 0);
2225 DONE: /* now we're done */
2226 if (do_proto) cprintf("000\n");
2233 * display a message (mode 0 - Citadel proprietary)
2235 void cmd_msg0(char *cmdbuf)
2238 int headers_only = HEADERS_ALL;
2240 msgid = extract_long(cmdbuf, 0);
2241 headers_only = extract_int(cmdbuf, 1);
2243 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2249 * display a message (mode 2 - RFC822)
2251 void cmd_msg2(char *cmdbuf)
2254 int headers_only = HEADERS_ALL;
2256 msgid = extract_long(cmdbuf, 0);
2257 headers_only = extract_int(cmdbuf, 1);
2259 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2265 * display a message (mode 3 - IGnet raw format - internal programs only)
2267 void cmd_msg3(char *cmdbuf)
2270 struct CtdlMessage *msg = NULL;
2273 if (CC->internal_pgm == 0) {
2274 cprintf("%d This command is for internal programs only.\n",
2275 ERROR + HIGHER_ACCESS_REQUIRED);
2279 msgnum = extract_long(cmdbuf, 0);
2280 msg = CtdlFetchMessage(msgnum, 1);
2282 cprintf("%d Message %ld not found.\n",
2283 ERROR + MESSAGE_NOT_FOUND, msgnum);
2287 serialize_message(&smr, msg);
2288 CtdlFreeMessage(msg);
2291 cprintf("%d Unable to serialize message\n",
2292 ERROR + INTERNAL_ERROR);
2296 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2297 client_write((char *)smr.ser, (int)smr.len);
2304 * Display a message using MIME content types
2306 void cmd_msg4(char *cmdbuf)
2311 msgid = extract_long(cmdbuf, 0);
2312 extract_token(section, cmdbuf, 1, '|', sizeof section);
2313 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2319 * Client tells us its preferred message format(s)
2321 void cmd_msgp(char *cmdbuf)
2323 if (!strcasecmp(cmdbuf, "dont_decode")) {
2324 CC->msg4_dont_decode = 1;
2325 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2328 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2329 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2335 * Open a component of a MIME message as a download file
2337 void cmd_opna(char *cmdbuf)
2340 char desired_section[128];
2342 msgid = extract_long(cmdbuf, 0);
2343 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2344 safestrncpy(CC->download_desired_section, desired_section,
2345 sizeof CC->download_desired_section);
2346 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2351 * Open a component of a MIME message and transmit it all at once
2353 void cmd_dlat(char *cmdbuf)
2356 char desired_section[128];
2358 msgid = extract_long(cmdbuf, 0);
2359 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2360 safestrncpy(CC->download_desired_section, desired_section,
2361 sizeof CC->download_desired_section);
2362 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2367 * Save one or more message pointers into a specified room
2368 * (Returns 0 for success, nonzero for failure)
2369 * roomname may be NULL to use the current room
2371 * Note that the 'supplied_msg' field may be set to NULL, in which case
2372 * the message will be fetched from disk, by number, if we need to perform
2373 * replication checks. This adds an additional database read, so if the
2374 * caller already has the message in memory then it should be supplied. (Obviously
2375 * this mode of operation only works if we're saving a single message.)
2377 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2378 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2381 char hold_rm[ROOMNAMELEN];
2382 struct cdbdata *cdbfr;
2385 long highest_msg = 0L;
2388 struct CtdlMessage *msg = NULL;
2390 long *msgs_to_be_merged = NULL;
2391 int num_msgs_to_be_merged = 0;
2393 CtdlLogPrintf(CTDL_DEBUG,
2394 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2395 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2398 strcpy(hold_rm, CC->room.QRname);
2401 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2402 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2403 if (num_newmsgs > 1) supplied_msg = NULL;
2405 /* Now the regular stuff */
2406 if (CtdlGetRoomLock(&CC->room,
2407 ((roomname != NULL) ? roomname : CC->room.QRname) )
2409 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2410 return(ERROR + ROOM_NOT_FOUND);
2414 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2415 num_msgs_to_be_merged = 0;
2418 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2419 if (cdbfr == NULL) {
2423 msglist = (long *) cdbfr->ptr;
2424 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2425 num_msgs = cdbfr->len / sizeof(long);
2430 /* Create a list of msgid's which were supplied by the caller, but do
2431 * not already exist in the target room. It is absolutely taboo to
2432 * have more than one reference to the same message in a room.
2434 for (i=0; i<num_newmsgs; ++i) {
2436 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2437 if (msglist[j] == newmsgidlist[i]) {
2442 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2446 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2449 * Now merge the new messages
2451 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2452 if (msglist == NULL) {
2453 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2455 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2456 num_msgs += num_msgs_to_be_merged;
2458 /* Sort the message list, so all the msgid's are in order */
2459 num_msgs = sort_msglist(msglist, num_msgs);
2461 /* Determine the highest message number */
2462 highest_msg = msglist[num_msgs - 1];
2464 /* Write it back to disk. */
2465 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2466 msglist, (int)(num_msgs * sizeof(long)));
2468 /* Free up the memory we used. */
2471 /* Update the highest-message pointer and unlock the room. */
2472 CC->room.QRhighest = highest_msg;
2473 CtdlPutRoomLock(&CC->room);
2475 /* Perform replication checks if necessary */
2476 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2477 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2479 for (i=0; i<num_msgs_to_be_merged; ++i) {
2480 msgid = msgs_to_be_merged[i];
2482 if (supplied_msg != NULL) {
2486 msg = CtdlFetchMessage(msgid, 0);
2490 ReplicationChecks(msg);
2492 /* If the message has an Exclusive ID, index that... */
2493 if (msg->cm_fields['E'] != NULL) {
2494 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2497 /* Free up the memory we may have allocated */
2498 if (msg != supplied_msg) {
2499 CtdlFreeMessage(msg);
2507 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2510 /* Submit this room for processing by hooks */
2511 PerformRoomHooks(&CC->room);
2513 /* Go back to the room we were in before we wandered here... */
2514 CtdlGetRoom(&CC->room, hold_rm);
2516 /* Bump the reference count for all messages which were merged */
2517 if (!suppress_refcount_adj) {
2518 for (i=0; i<num_msgs_to_be_merged; ++i) {
2519 AdjRefCount(msgs_to_be_merged[i], +1);
2523 /* Free up memory... */
2524 if (msgs_to_be_merged != NULL) {
2525 free(msgs_to_be_merged);
2528 /* Return success. */
2534 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2537 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2538 int do_repl_check, struct CtdlMessage *supplied_msg)
2540 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2547 * Message base operation to save a new message to the message store
2548 * (returns new message number)
2550 * This is the back end for CtdlSubmitMsg() and should not be directly
2551 * called by server-side modules.
2554 long send_message(struct CtdlMessage *msg) {
2562 /* Get a new message number */
2563 newmsgid = get_new_message_number();
2564 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2566 /* Generate an ID if we don't have one already */
2567 if (msg->cm_fields['I']==NULL) {
2568 msg->cm_fields['I'] = strdup(msgidbuf);
2571 /* If the message is big, set its body aside for storage elsewhere */
2572 if (msg->cm_fields['M'] != NULL) {
2573 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2575 holdM = msg->cm_fields['M'];
2576 msg->cm_fields['M'] = NULL;
2580 /* Serialize our data structure for storage in the database */
2581 serialize_message(&smr, msg);
2584 msg->cm_fields['M'] = holdM;
2588 cprintf("%d Unable to serialize message\n",
2589 ERROR + INTERNAL_ERROR);
2593 /* Write our little bundle of joy into the message base */
2594 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2595 smr.ser, smr.len) < 0) {
2596 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2600 cdb_store(CDB_BIGMSGS,
2610 /* Free the memory we used for the serialized message */
2613 /* Return the *local* message ID to the caller
2614 * (even if we're storing an incoming network message)
2622 * Serialize a struct CtdlMessage into the format used on disk and network.
2624 * This function loads up a "struct ser_ret" (defined in server.h) which
2625 * contains the length of the serialized message and a pointer to the
2626 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2628 void serialize_message(struct ser_ret *ret, /* return values */
2629 struct CtdlMessage *msg) /* unserialized msg */
2631 size_t wlen, fieldlen;
2633 static char *forder = FORDER;
2636 * Check for valid message format
2638 if (is_valid_message(msg) == 0) {
2639 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2646 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2647 ret->len = ret->len +
2648 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2650 ret->ser = malloc(ret->len);
2651 if (ret->ser == NULL) {
2652 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2653 (long)ret->len, strerror(errno));
2660 ret->ser[1] = msg->cm_anon_type;
2661 ret->ser[2] = msg->cm_format_type;
2664 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2665 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2666 ret->ser[wlen++] = (char)forder[i];
2667 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2668 wlen = wlen + fieldlen + 1;
2670 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2671 (long)ret->len, (long)wlen);
2678 * Serialize a struct CtdlMessage into the format used on disk and network.
2680 * This function loads up a "struct ser_ret" (defined in server.h) which
2681 * contains the length of the serialized message and a pointer to the
2682 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2684 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2685 long Siz) /* how many chars ? */
2689 static char *forder = FORDER;
2693 * Check for valid message format
2695 if (is_valid_message(msg) == 0) {
2696 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2700 buf = (char*) malloc (Siz + 1);
2704 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2705 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2706 msg->cm_fields[(int)forder[i]]);
2707 client_write (buf, strlen(buf));
2716 * Check to see if any messages already exist in the current room which
2717 * carry the same Exclusive ID as this one. If any are found, delete them.
2719 void ReplicationChecks(struct CtdlMessage *msg) {
2720 long old_msgnum = (-1L);
2722 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2724 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2727 /* No exclusive id? Don't do anything. */
2728 if (msg == NULL) return;
2729 if (msg->cm_fields['E'] == NULL) return;
2730 if (IsEmptyStr(msg->cm_fields['E'])) return;
2731 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2732 msg->cm_fields['E'], CC->room.QRname);*/
2734 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2735 if (old_msgnum > 0L) {
2736 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2737 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2744 * Save a message to disk and submit it into the delivery system.
2746 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2747 struct recptypes *recps, /* recipients (if mail) */
2748 char *force, /* force a particular room? */
2749 int flags /* should the message be exported clean? */
2751 char submit_filename[128];
2752 char generated_timestamp[32];
2753 char hold_rm[ROOMNAMELEN];
2754 char actual_rm[ROOMNAMELEN];
2755 char force_room[ROOMNAMELEN];
2756 char content_type[SIZ]; /* We have to learn this */
2757 char recipient[SIZ];
2759 const char *mptr = NULL;
2760 struct ctdluser userbuf;
2762 struct MetaData smi;
2763 FILE *network_fp = NULL;
2764 static int seqnum = 1;
2765 struct CtdlMessage *imsg = NULL;
2767 size_t instr_alloc = 0;
2769 char *hold_R, *hold_D;
2770 char *collected_addresses = NULL;
2771 struct addresses_to_be_filed *aptr = NULL;
2772 char *saved_rfc822_version = NULL;
2773 int qualified_for_journaling = 0;
2774 CitContext *CCC = CC; /* CachedCitContext - performance boost */
2775 char bounce_to[1024] = "";
2779 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2780 if (is_valid_message(msg) == 0) return(-1); /* self check */
2782 /* If this message has no timestamp, we take the liberty of
2783 * giving it one, right now.
2785 if (msg->cm_fields['T'] == NULL) {
2786 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2787 msg->cm_fields['T'] = strdup(generated_timestamp);
2790 /* If this message has no path, we generate one.
2792 if (msg->cm_fields['P'] == NULL) {
2793 if (msg->cm_fields['A'] != NULL) {
2794 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2795 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2796 if (isspace(msg->cm_fields['P'][a])) {
2797 msg->cm_fields['P'][a] = ' ';
2802 msg->cm_fields['P'] = strdup("unknown");
2806 if (force == NULL) {
2807 strcpy(force_room, "");
2810 strcpy(force_room, force);
2813 /* Learn about what's inside, because it's what's inside that counts */
2814 if (msg->cm_fields['M'] == NULL) {
2815 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2819 switch (msg->cm_format_type) {
2821 strcpy(content_type, "text/x-citadel-variformat");
2824 strcpy(content_type, "text/plain");
2827 strcpy(content_type, "text/plain");
2828 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2831 safestrncpy(content_type, &mptr[13], sizeof content_type);
2832 striplt(content_type);
2833 aptr = content_type;
2834 while (!IsEmptyStr(aptr)) {
2846 /* Goto the correct room */
2847 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2848 strcpy(hold_rm, CCC->room.QRname);
2849 strcpy(actual_rm, CCC->room.QRname);
2850 if (recps != NULL) {
2851 strcpy(actual_rm, SENTITEMS);
2854 /* If the user is a twit, move to the twit room for posting */
2856 if (CCC->user.axlevel == AxProbU) {
2857 strcpy(hold_rm, actual_rm);
2858 strcpy(actual_rm, config.c_twitroom);
2859 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2863 /* ...or if this message is destined for Aide> then go there. */
2864 if (!IsEmptyStr(force_room)) {
2865 strcpy(actual_rm, force_room);
2868 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2869 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2870 /* CtdlGetRoom(&CCC->room, actual_rm); */
2871 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
2875 * If this message has no O (room) field, generate one.
2877 if (msg->cm_fields['O'] == NULL) {
2878 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2881 /* Perform "before save" hooks (aborting if any return nonzero) */
2882 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2883 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2886 * If this message has an Exclusive ID, and the room is replication
2887 * checking enabled, then do replication checks.
2889 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2890 ReplicationChecks(msg);
2893 /* Save it to disk */
2894 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2895 newmsgid = send_message(msg);
2896 if (newmsgid <= 0L) return(-5);
2898 /* Write a supplemental message info record. This doesn't have to
2899 * be a critical section because nobody else knows about this message
2902 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2903 memset(&smi, 0, sizeof(struct MetaData));
2904 smi.meta_msgnum = newmsgid;
2905 smi.meta_refcount = 0;
2906 safestrncpy(smi.meta_content_type, content_type,
2907 sizeof smi.meta_content_type);
2910 * Measure how big this message will be when rendered as RFC822.
2911 * We do this for two reasons:
2912 * 1. We need the RFC822 length for the new metadata record, so the
2913 * POP and IMAP services don't have to calculate message lengths
2914 * while the user is waiting (multiplied by potentially hundreds
2915 * or thousands of messages).
2916 * 2. If journaling is enabled, we will need an RFC822 version of the
2917 * message to attach to the journalized copy.
2919 if (CCC->redirect_buffer != NULL) {
2920 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2923 CCC->redirect_buffer = malloc(SIZ);
2924 CCC->redirect_len = 0;
2925 CCC->redirect_alloc = SIZ;
2926 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2927 smi.meta_rfc822_length = CCC->redirect_len;
2928 saved_rfc822_version = CCC->redirect_buffer;
2929 CCC->redirect_buffer = NULL;
2930 CCC->redirect_len = 0;
2931 CCC->redirect_alloc = 0;
2935 /* Now figure out where to store the pointers */
2936 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2938 /* If this is being done by the networker delivering a private
2939 * message, we want to BYPASS saving the sender's copy (because there
2940 * is no local sender; it would otherwise go to the Trashcan).
2942 if ((!CCC->internal_pgm) || (recps == NULL)) {
2943 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2944 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2945 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2949 /* For internet mail, drop a copy in the outbound queue room */
2950 if ((recps != NULL) && (recps->num_internet > 0)) {
2951 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2954 /* If other rooms are specified, drop them there too. */
2955 if ((recps != NULL) && (recps->num_room > 0))
2956 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2957 extract_token(recipient, recps->recp_room, i,
2958 '|', sizeof recipient);
2959 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2960 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2963 /* Bump this user's messages posted counter. */
2964 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2965 CtdlGetUserLock(&CCC->user, CCC->curr_user);
2966 CCC->user.posted = CCC->user.posted + 1;
2967 CtdlPutUserLock(&CCC->user);
2969 /* Decide where bounces need to be delivered */
2970 if ((recps != NULL) && (recps->bounce_to != NULL)) {
2971 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
2973 else if (CCC->logged_in) {
2974 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
2977 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
2980 /* If this is private, local mail, make a copy in the
2981 * recipient's mailbox and bump the reference count.
2983 if ((recps != NULL) && (recps->num_local > 0))
2984 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2985 extract_token(recipient, recps->recp_local, i,
2986 '|', sizeof recipient);
2987 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2989 if (CtdlGetUser(&userbuf, recipient) == 0) {
2990 // Add a flag so the Funambol module knows its mail
2991 msg->cm_fields['W'] = strdup(recipient);
2992 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2993 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2994 CtdlBumpNewMailCounter(userbuf.usernum);
2995 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
2996 /* Generate a instruction message for the Funambol notification
2997 * server, in the same style as the SMTP queue
3000 instr = malloc(instr_alloc);
3001 snprintf(instr, instr_alloc,
3002 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3004 SPOOLMIME, newmsgid, (long)time(NULL),
3008 imsg = malloc(sizeof(struct CtdlMessage));
3009 memset(imsg, 0, sizeof(struct CtdlMessage));
3010 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3011 imsg->cm_anon_type = MES_NORMAL;
3012 imsg->cm_format_type = FMT_RFC822;
3013 imsg->cm_fields['A'] = strdup("Citadel");
3014 imsg->cm_fields['J'] = strdup("do not journal");
3015 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3016 imsg->cm_fields['W'] = strdup(recipient);
3017 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3018 CtdlFreeMessage(imsg);
3022 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
3023 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3028 /* Perform "after save" hooks */
3029 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
3030 PerformMessageHooks(msg, EVT_AFTERSAVE);
3032 /* For IGnet mail, we have to save a new copy into the spooler for
3033 * each recipient, with the R and D fields set to the recipient and
3034 * destination-node. This has two ugly side effects: all other
3035 * recipients end up being unlisted in this recipient's copy of the
3036 * message, and it has to deliver multiple messages to the same
3037 * node. We'll revisit this again in a year or so when everyone has
3038 * a network spool receiver that can handle the new style messages.
3040 if ((recps != NULL) && (recps->num_ignet > 0))
3041 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3042 extract_token(recipient, recps->recp_ignet, i,
3043 '|', sizeof recipient);
3045 hold_R = msg->cm_fields['R'];
3046 hold_D = msg->cm_fields['D'];
3047 msg->cm_fields['R'] = malloc(SIZ);
3048 msg->cm_fields['D'] = malloc(128);
3049 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3050 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3052 serialize_message(&smr, msg);
3054 snprintf(submit_filename, sizeof submit_filename,
3055 "%s/netmail.%04lx.%04x.%04x",
3057 (long) getpid(), CCC->cs_pid, ++seqnum);
3058 network_fp = fopen(submit_filename, "wb+");
3059 if (network_fp != NULL) {
3060 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3066 free(msg->cm_fields['R']);
3067 free(msg->cm_fields['D']);
3068 msg->cm_fields['R'] = hold_R;
3069 msg->cm_fields['D'] = hold_D;
3072 /* Go back to the room we started from */
3073 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
3074 if (strcasecmp(hold_rm, CCC->room.QRname))
3075 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3077 /* For internet mail, generate delivery instructions.
3078 * Yes, this is recursive. Deal with it. Infinite recursion does
3079 * not happen because the delivery instructions message does not
3080 * contain a recipient.
3082 if ((recps != NULL) && (recps->num_internet > 0)) {
3083 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
3085 instr = malloc(instr_alloc);
3086 snprintf(instr, instr_alloc,
3087 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3089 SPOOLMIME, newmsgid, (long)time(NULL),
3093 if (recps->envelope_from != NULL) {
3094 tmp = strlen(instr);
3095 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3098 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3099 tmp = strlen(instr);
3100 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3101 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3102 instr_alloc = instr_alloc * 2;
3103 instr = realloc(instr, instr_alloc);
3105 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3108 imsg = malloc(sizeof(struct CtdlMessage));
3109 memset(imsg, 0, sizeof(struct CtdlMessage));
3110 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3111 imsg->cm_anon_type = MES_NORMAL;
3112 imsg->cm_format_type = FMT_RFC822;
3113 imsg->cm_fields['A'] = strdup("Citadel");
3114 imsg->cm_fields['J'] = strdup("do not journal");
3115 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3116 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3117 CtdlFreeMessage(imsg);
3121 * Any addresses to harvest for someone's address book?
3123 if ( (CCC->logged_in) && (recps != NULL) ) {
3124 collected_addresses = harvest_collected_addresses(msg);
3127 if (collected_addresses != NULL) {
3128 aptr = (struct addresses_to_be_filed *)
3129 malloc(sizeof(struct addresses_to_be_filed));
3130 CtdlMailboxName(actual_rm, sizeof actual_rm,
3131 &CCC->user, USERCONTACTSROOM);
3132 aptr->roomname = strdup(actual_rm);
3133 aptr->collected_addresses = collected_addresses;
3134 begin_critical_section(S_ATBF);
3137 end_critical_section(S_ATBF);
3141 * Determine whether this message qualifies for journaling.
3143 if (msg->cm_fields['J'] != NULL) {
3144 qualified_for_journaling = 0;
3147 if (recps == NULL) {
3148 qualified_for_journaling = config.c_journal_pubmsgs;
3150 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3151 qualified_for_journaling = config.c_journal_email;
3154 qualified_for_journaling = config.c_journal_pubmsgs;
3159 * Do we have to perform journaling? If so, hand off the saved
3160 * RFC822 version will be handed off to the journaler for background
3161 * submit. Otherwise, we have to free the memory ourselves.
3163 if (saved_rfc822_version != NULL) {
3164 if (qualified_for_journaling) {
3165 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3168 free(saved_rfc822_version);
3178 void aide_message (char *text, char *subject)
3180 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3185 * Convenience function for generating small administrative messages.
3187 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3188 int format_type, const char *subject)
3190 struct CtdlMessage *msg;
3191 struct recptypes *recp = NULL;
3193 msg = malloc(sizeof(struct CtdlMessage));
3194 memset(msg, 0, sizeof(struct CtdlMessage));
3195 msg->cm_magic = CTDLMESSAGE_MAGIC;
3196 msg->cm_anon_type = MES_NORMAL;
3197 msg->cm_format_type = format_type;
3200 msg->cm_fields['A'] = strdup(from);
3202 else if (fromaddr != NULL) {
3203 msg->cm_fields['A'] = strdup(fromaddr);
3204 if (strchr(msg->cm_fields['A'], '@')) {
3205 *strchr(msg->cm_fields['A'], '@') = 0;
3209 msg->cm_fields['A'] = strdup("Citadel");
3212 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3213 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3214 msg->cm_fields['N'] = strdup(NODENAME);
3216 msg->cm_fields['R'] = strdup(to);
3217 recp = validate_recipients(to, NULL, 0);
3219 if (subject != NULL) {
3220 msg->cm_fields['U'] = strdup(subject);
3222 msg->cm_fields['M'] = strdup(text);
3224 CtdlSubmitMsg(msg, recp, room, 0);
3225 CtdlFreeMessage(msg);
3226 if (recp != NULL) free_recipients(recp);
3232 * Back end function used by CtdlMakeMessage() and similar functions
3234 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3236 size_t maxlen, /* maximum message length */
3237 char *exist, /* if non-null, append to it;
3238 exist is ALWAYS freed */
3239 int crlf, /* CRLF newlines instead of LF */
3240 int *sock /* socket handle or 0 for this session's client socket */
3249 LineBuf = NewStrBufPlain(NULL, SIZ);
3250 if (exist == NULL) {
3251 Message = NewStrBufPlain(NULL, 4 * SIZ);
3254 Message = NewStrBufPlain(exist, -1);
3258 /* Do we need to change leading ".." to "." for SMTP escaping? */
3259 if ((tlen == 1) && (*terminator == '.')) {
3263 /* read in the lines of message text one by one */
3266 if ((CtdlSockGetLine(sock, LineBuf) < 0) ||
3271 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3273 if ((StrLength(LineBuf) == tlen) &&
3274 (!strcmp(ChrPtr(LineBuf), terminator)))
3277 if ( (!flushing) && (!finished) ) {
3279 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3282 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3285 /* Unescape SMTP-style input of two dots at the beginning of the line */
3287 (StrLength(LineBuf) == 2) &&
3288 (!strcmp(ChrPtr(LineBuf), "..")))
3290 StrBufCutLeft(LineBuf, 1);
3293 StrBufAppendBuf(Message, LineBuf, 0);
3296 /* if we've hit the max msg length, flush the rest */
3297 if (StrLength(Message) >= maxlen) flushing = 1;
3299 } while (!finished);
3300 FreeStrBuf(&LineBuf);
3306 * Back end function used by CtdlMakeMessage() and similar functions
3308 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3310 size_t maxlen, /* maximum message length */
3311 char *exist, /* if non-null, append to it;
3312 exist is ALWAYS freed */
3313 int crlf, /* CRLF newlines instead of LF */
3314 int *sock /* socket handle or 0 for this session's client socket */
3319 Message = CtdlReadMessageBodyBuf(terminator,
3325 if (Message == NULL)
3328 return SmashStrBuf(&Message);
3333 * Build a binary message to be saved on disk.
3334 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3335 * will become part of the message. This means you are no longer
3336 * responsible for managing that memory -- it will be freed along with
3337 * the rest of the fields when CtdlFreeMessage() is called.)
3340 struct CtdlMessage *CtdlMakeMessage(
3341 struct ctdluser *author, /* author's user structure */
3342 char *recipient, /* NULL if it's not mail */
3343 char *recp_cc, /* NULL if it's not mail */
3344 char *room, /* room where it's going */
3345 int type, /* see MES_ types in header file */
3346 int format_type, /* variformat, plain text, MIME... */
3347 char *fake_name, /* who we're masquerading as */
3348 char *my_email, /* which of my email addresses to use (empty is ok) */
3349 char *subject, /* Subject (optional) */
3350 char *supplied_euid, /* ...or NULL if this is irrelevant */
3351 char *preformatted_text, /* ...or NULL to read text from client */
3352 char *references /* Thread references */
3354 char dest_node[256];
3356 struct CtdlMessage *msg;
3358 msg = malloc(sizeof(struct CtdlMessage));
3359 memset(msg, 0, sizeof(struct CtdlMessage));
3360 msg->cm_magic = CTDLMESSAGE_MAGIC;
3361 msg->cm_anon_type = type;
3362 msg->cm_format_type = format_type;
3364 /* Don't confuse the poor folks if it's not routed mail. */
3365 strcpy(dest_node, "");
3367 if (recipient != NULL) striplt(recipient);
3368 if (recp_cc != NULL) striplt(recp_cc);
3370 /* Path or Return-Path */
3371 if (my_email == NULL) my_email = "";
3373 if (!IsEmptyStr(my_email)) {
3374 msg->cm_fields['P'] = strdup(my_email);
3377 snprintf(buf, sizeof buf, "%s", author->fullname);
3378 msg->cm_fields['P'] = strdup(buf);
3380 convert_spaces_to_underscores(msg->cm_fields['P']);
3382 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3383 msg->cm_fields['T'] = strdup(buf);
3385 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3386 msg->cm_fields['A'] = strdup(fake_name);
3389 msg->cm_fields['A'] = strdup(author->fullname);
3392 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3393 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3396 msg->cm_fields['O'] = strdup(CC->room.QRname);
3399 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3400 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3402 if ((recipient != NULL) && (recipient[0] != 0)) {
3403 msg->cm_fields['R'] = strdup(recipient);
3405 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3406 msg->cm_fields['Y'] = strdup(recp_cc);
3408 if (dest_node[0] != 0) {
3409 msg->cm_fields['D'] = strdup(dest_node);
3412 if (!IsEmptyStr(my_email)) {
3413 msg->cm_fields['F'] = strdup(my_email);
3415 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3416 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3419 if (subject != NULL) {
3422 length = strlen(subject);
3428 while ((subject[i] != '\0') &&
3429 (IsAscii = isascii(subject[i]) != 0 ))
3432 msg->cm_fields['U'] = strdup(subject);
3433 else /* ok, we've got utf8 in the string. */
3435 msg->cm_fields['U'] = rfc2047encode(subject, length);
3441 if (supplied_euid != NULL) {
3442 msg->cm_fields['E'] = strdup(supplied_euid);
3445 if (references != NULL) {
3446 if (!IsEmptyStr(references)) {
3447 msg->cm_fields['W'] = strdup(references);
3451 if (preformatted_text != NULL) {
3452 msg->cm_fields['M'] = preformatted_text;
3455 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3463 * Check to see whether we have permission to post a message in the current
3464 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3465 * returns 0 on success.
3467 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3469 const char* RemoteIdentifier,
3473 if (!(CC->logged_in) &&
3474 (PostPublic == POST_LOGGED_IN)) {
3475 snprintf(errmsgbuf, n, "Not logged in.");
3476 return (ERROR + NOT_LOGGED_IN);
3478 else if (PostPublic == CHECK_EXISTANCE) {
3479 return (0); // We're Evaling whether a recipient exists
3481 else if (!(CC->logged_in)) {
3483 if ((CC->room.QRflags & QR_READONLY)) {
3484 snprintf(errmsgbuf, n, "Not logged in.");
3485 return (ERROR + NOT_LOGGED_IN);
3487 if (CC->room.QRflags2 & QR2_MODERATED) {
3488 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3489 return (ERROR + NOT_LOGGED_IN);
3491 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3496 if (RemoteIdentifier == NULL)
3498 snprintf(errmsgbuf, n, "Need sender to permit access.");
3499 return (ERROR + USERNAME_REQUIRED);
3502 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3503 begin_critical_section(S_NETCONFIGS);
3504 if (!read_spoolcontrol_file(&sc, filename))
3506 end_critical_section(S_NETCONFIGS);
3507 snprintf(errmsgbuf, n,
3508 "This mailing list only accepts posts from subscribers.");
3509 return (ERROR + NO_SUCH_USER);
3511 end_critical_section(S_NETCONFIGS);
3512 found = is_recipient (sc, RemoteIdentifier);
3513 free_spoolcontrol_struct(&sc);
3518 snprintf(errmsgbuf, n,
3519 "This mailing list only accepts posts from subscribers.");
3520 return (ERROR + NO_SUCH_USER);
3527 if ((CC->user.axlevel < AxProbU)
3528 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3529 snprintf(errmsgbuf, n, "Need to be validated to enter "
3530 "(except in %s> to sysop)", MAILROOM);
3531 return (ERROR + HIGHER_ACCESS_REQUIRED);
3534 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3535 if (!(ra & UA_POSTALLOWED)) {
3536 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3537 return (ERROR + HIGHER_ACCESS_REQUIRED);
3540 strcpy(errmsgbuf, "Ok");
3546 * Check to see if the specified user has Internet mail permission
3547 * (returns nonzero if permission is granted)
3549 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3551 /* Do not allow twits to send Internet mail */
3552 if (who->axlevel <= AxProbU) return(0);
3554 /* Globally enabled? */
3555 if (config.c_restrict == 0) return(1);
3557 /* User flagged ok? */
3558 if (who->flags & US_INTERNET) return(2);
3560 /* Aide level access? */
3561 if (who->axlevel >= AxAideU) return(3);
3563 /* No mail for you! */
3569 * Validate recipients, count delivery types and errors, and handle aliasing
3570 * FIXME check for dupes!!!!!
3572 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3573 * were specified, or the number of addresses found invalid.
3575 * Caller needs to free the result using free_recipients()
3577 struct recptypes *validate_recipients(const char *supplied_recipients,
3578 const char *RemoteIdentifier,
3580 struct recptypes *ret;
3581 char *recipients = NULL;
3582 char this_recp[256];
3583 char this_recp_cooked[256];
3589 struct ctdluser tempUS;
3590 struct ctdlroom tempQR;
3591 struct ctdlroom tempQR2;
3597 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3598 if (ret == NULL) return(NULL);
3600 /* Set all strings to null and numeric values to zero */
3601 memset(ret, 0, sizeof(struct recptypes));
3603 if (supplied_recipients == NULL) {
3604 recipients = strdup("");
3607 recipients = strdup(supplied_recipients);
3610 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3611 * actually need, but it's healthier for the heap than doing lots of tiny
3612 * realloc() calls instead.
3615 ret->errormsg = malloc(strlen(recipients) + 1024);
3616 ret->recp_local = malloc(strlen(recipients) + 1024);
3617 ret->recp_internet = malloc(strlen(recipients) + 1024);
3618 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3619 ret->recp_room = malloc(strlen(recipients) + 1024);
3620 ret->display_recp = malloc(strlen(recipients) + 1024);
3622 ret->errormsg[0] = 0;
3623 ret->recp_local[0] = 0;
3624 ret->recp_internet[0] = 0;
3625 ret->recp_ignet[0] = 0;
3626 ret->recp_room[0] = 0;
3627 ret->display_recp[0] = 0;
3629 ret->recptypes_magic = RECPTYPES_MAGIC;
3631 /* Change all valid separator characters to commas */
3632 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3633 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3634 recipients[i] = ',';
3638 /* Now start extracting recipients... */
3640 while (!IsEmptyStr(recipients)) {
3642 for (i=0; i<=strlen(recipients); ++i) {
3643 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3644 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3645 safestrncpy(this_recp, recipients, i+1);
3647 if (recipients[i] == ',') {
3648 strcpy(recipients, &recipients[i+1]);
3651 strcpy(recipients, "");
3658 if (IsEmptyStr(this_recp))
3660 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3662 mailtype = alias(this_recp);
3663 mailtype = alias(this_recp);
3664 mailtype = alias(this_recp);
3666 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3667 if (this_recp[j]=='_') {
3668 this_recp_cooked[j] = ' ';
3671 this_recp_cooked[j] = this_recp[j];
3674 this_recp_cooked[j] = '\0';
3679 if (!strcasecmp(this_recp, "sysop")) {
3681 strcpy(this_recp, config.c_aideroom);
3682 if (!IsEmptyStr(ret->recp_room)) {
3683 strcat(ret->recp_room, "|");
3685 strcat(ret->recp_room, this_recp);
3687 else if ( (!strncasecmp(this_recp, "room_", 5))
3688 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3690 /* Save room so we can restore it later */
3694 /* Check permissions to send mail to this room */
3695 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3707 if (!IsEmptyStr(ret->recp_room)) {
3708 strcat(ret->recp_room, "|");
3710 strcat(ret->recp_room, &this_recp_cooked[5]);
3713 /* Restore room in case something needs it */
3717 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3719 strcpy(this_recp, tempUS.fullname);
3720 if (!IsEmptyStr(ret->recp_local)) {
3721 strcat(ret->recp_local, "|");
3723 strcat(ret->recp_local, this_recp);
3725 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3727 strcpy(this_recp, tempUS.fullname);
3728 if (!IsEmptyStr(ret->recp_local)) {
3729 strcat(ret->recp_local, "|");
3731 strcat(ret->recp_local, this_recp);
3739 /* Yes, you're reading this correctly: if the target
3740 * domain points back to the local system or an attached
3741 * Citadel directory, the address is invalid. That's
3742 * because if the address were valid, we would have
3743 * already translated it to a local address by now.
3745 if (IsDirectory(this_recp, 0)) {
3750 ++ret->num_internet;
3751 if (!IsEmptyStr(ret->recp_internet)) {
3752 strcat(ret->recp_internet, "|");
3754 strcat(ret->recp_internet, this_recp);
3759 if (!IsEmptyStr(ret->recp_ignet)) {
3760 strcat(ret->recp_ignet, "|");
3762 strcat(ret->recp_ignet, this_recp);
3770 if (IsEmptyStr(errmsg)) {
3771 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3774 snprintf(append, sizeof append, "%s", errmsg);
3776 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3777 if (!IsEmptyStr(ret->errormsg)) {
3778 strcat(ret->errormsg, "; ");
3780 strcat(ret->errormsg, append);
3784 if (IsEmptyStr(ret->display_recp)) {
3785 strcpy(append, this_recp);
3788 snprintf(append, sizeof append, ", %s", this_recp);
3790 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3791 strcat(ret->display_recp, append);
3796 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3797 ret->num_room + ret->num_error) == 0) {
3798 ret->num_error = (-1);
3799 strcpy(ret->errormsg, "No recipients specified.");
3802 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3803 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3804 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3805 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3806 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3807 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3815 * Destructor for struct recptypes
3817 void free_recipients(struct recptypes *valid) {
3819 if (valid == NULL) {
3823 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3824 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3828 if (valid->errormsg != NULL) free(valid->errormsg);
3829 if (valid->recp_local != NULL) free(valid->recp_local);
3830 if (valid->recp_internet != NULL) free(valid->recp_internet);
3831 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3832 if (valid->recp_room != NULL) free(valid->recp_room);
3833 if (valid->display_recp != NULL) free(valid->display_recp);
3834 if (valid->bounce_to != NULL) free(valid->bounce_to);
3835 if (valid->envelope_from != NULL) free(valid->envelope_from);
3842 * message entry - mode 0 (normal)
3844 void cmd_ent0(char *entargs)
3850 char supplied_euid[128];
3852 int format_type = 0;
3853 char newusername[256];
3854 char newuseremail[256];
3855 struct CtdlMessage *msg;
3859 struct recptypes *valid = NULL;
3860 struct recptypes *valid_to = NULL;
3861 struct recptypes *valid_cc = NULL;
3862 struct recptypes *valid_bcc = NULL;
3864 int subject_required = 0;
3869 int newuseremail_ok = 0;
3870 char references[SIZ];
3875 post = extract_int(entargs, 0);
3876 extract_token(recp, entargs, 1, '|', sizeof recp);
3877 anon_flag = extract_int(entargs, 2);
3878 format_type = extract_int(entargs, 3);
3879 extract_token(subject, entargs, 4, '|', sizeof subject);
3880 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3881 do_confirm = extract_int(entargs, 6);
3882 extract_token(cc, entargs, 7, '|', sizeof cc);
3883 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3884 switch(CC->room.QRdefaultview) {
3887 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3890 supplied_euid[0] = 0;
3893 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3894 extract_token(references, entargs, 11, '|', sizeof references);
3895 for (ptr=references; *ptr != 0; ++ptr) {
3896 if (*ptr == '!') *ptr = '|';
3899 /* first check to make sure the request is valid. */
3901 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3904 cprintf("%d %s\n", err, errmsg);
3908 /* Check some other permission type things. */
3910 if (IsEmptyStr(newusername)) {
3911 strcpy(newusername, CC->user.fullname);
3913 if ( (CC->user.axlevel < AxAideU)
3914 && (strcasecmp(newusername, CC->user.fullname))
3915 && (strcasecmp(newusername, CC->cs_inet_fn))
3917 cprintf("%d You don't have permission to author messages as '%s'.\n",
3918 ERROR + HIGHER_ACCESS_REQUIRED,
3925 if (IsEmptyStr(newuseremail)) {
3926 newuseremail_ok = 1;
3929 if (!IsEmptyStr(newuseremail)) {
3930 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3931 newuseremail_ok = 1;
3933 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3934 j = num_tokens(CC->cs_inet_other_emails, '|');
3935 for (i=0; i<j; ++i) {
3936 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3937 if (!strcasecmp(newuseremail, buf)) {
3938 newuseremail_ok = 1;
3944 if (!newuseremail_ok) {
3945 cprintf("%d You don't have permission to author messages as '%s'.\n",
3946 ERROR + HIGHER_ACCESS_REQUIRED,
3952 CC->cs_flags |= CS_POSTING;
3954 /* In mailbox rooms we have to behave a little differently --
3955 * make sure the user has specified at least one recipient. Then
3956 * validate the recipient(s). We do this for the Mail> room, as
3957 * well as any room which has the "Mailbox" view set.
3960 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3961 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3963 if (CC->user.axlevel < AxProbU) {
3964 strcpy(recp, "sysop");
3969 valid_to = validate_recipients(recp, NULL, 0);
3970 if (valid_to->num_error > 0) {
3971 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3972 free_recipients(valid_to);
3976 valid_cc = validate_recipients(cc, NULL, 0);
3977 if (valid_cc->num_error > 0) {
3978 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
3979 free_recipients(valid_to);
3980 free_recipients(valid_cc);
3984 valid_bcc = validate_recipients(bcc, NULL, 0);
3985 if (valid_bcc->num_error > 0) {
3986 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
3987 free_recipients(valid_to);
3988 free_recipients(valid_cc);
3989 free_recipients(valid_bcc);
3993 /* Recipient required, but none were specified */
3994 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3995 free_recipients(valid_to);
3996 free_recipients(valid_cc);
3997 free_recipients(valid_bcc);
3998 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4002 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4003 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4004 cprintf("%d You do not have permission "
4005 "to send Internet mail.\n",
4006 ERROR + HIGHER_ACCESS_REQUIRED);
4007 free_recipients(valid_to);
4008 free_recipients(valid_cc);
4009 free_recipients(valid_bcc);
4014 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)
4015 && (CC->user.axlevel < AxNetU) ) {
4016 cprintf("%d Higher access required for network mail.\n",
4017 ERROR + HIGHER_ACCESS_REQUIRED);
4018 free_recipients(valid_to);
4019 free_recipients(valid_cc);
4020 free_recipients(valid_bcc);
4024 if ((RESTRICT_INTERNET == 1)
4025 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4026 && ((CC->user.flags & US_INTERNET) == 0)
4027 && (!CC->internal_pgm)) {
4028 cprintf("%d You don't have access to Internet mail.\n",
4029 ERROR + HIGHER_ACCESS_REQUIRED);
4030 free_recipients(valid_to);
4031 free_recipients(valid_cc);
4032 free_recipients(valid_bcc);
4038 /* Is this a room which has anonymous-only or anonymous-option? */
4039 anonymous = MES_NORMAL;
4040 if (CC->room.QRflags & QR_ANONONLY) {
4041 anonymous = MES_ANONONLY;
4043 if (CC->room.QRflags & QR_ANONOPT) {
4044 if (anon_flag == 1) { /* only if the user requested it */
4045 anonymous = MES_ANONOPT;
4049 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4053 /* Recommend to the client that the use of a message subject is
4054 * strongly recommended in this room, if either the SUBJECTREQ flag
4055 * is set, or if there is one or more Internet email recipients.
4057 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4058 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4059 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4060 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4062 /* If we're only checking the validity of the request, return
4063 * success without creating the message.
4066 cprintf("%d %s|%d\n", CIT_OK,
4067 ((valid_to != NULL) ? valid_to->display_recp : ""),
4069 free_recipients(valid_to);
4070 free_recipients(valid_cc);
4071 free_recipients(valid_bcc);
4075 /* We don't need these anymore because we'll do it differently below */
4076 free_recipients(valid_to);
4077 free_recipients(valid_cc);
4078 free_recipients(valid_bcc);
4080 /* Read in the message from the client. */
4082 cprintf("%d send message\n", START_CHAT_MODE);
4084 cprintf("%d send message\n", SEND_LISTING);
4087 msg = CtdlMakeMessage(&CC->user, recp, cc,
4088 CC->room.QRname, anonymous, format_type,
4089 newusername, newuseremail, subject,
4090 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4093 /* Put together one big recipients struct containing to/cc/bcc all in
4094 * one. This is for the envelope.
4096 char *all_recps = malloc(SIZ * 3);
4097 strcpy(all_recps, recp);
4098 if (!IsEmptyStr(cc)) {
4099 if (!IsEmptyStr(all_recps)) {
4100 strcat(all_recps, ",");
4102 strcat(all_recps, cc);
4104 if (!IsEmptyStr(bcc)) {
4105 if (!IsEmptyStr(all_recps)) {
4106 strcat(all_recps, ",");
4108 strcat(all_recps, bcc);
4110 if (!IsEmptyStr(all_recps)) {
4111 valid = validate_recipients(all_recps, NULL, 0);
4119 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4122 cprintf("%ld\n", msgnum);
4124 cprintf("Message accepted.\n");
4127 cprintf("Internal error.\n");
4129 if (msg->cm_fields['E'] != NULL) {
4130 cprintf("%s\n", msg->cm_fields['E']);
4137 CtdlFreeMessage(msg);
4139 if (valid != NULL) {
4140 free_recipients(valid);
4148 * API function to delete messages which match a set of criteria
4149 * (returns the actual number of messages deleted)
4151 int CtdlDeleteMessages(char *room_name, /* which room */
4152 long *dmsgnums, /* array of msg numbers to be deleted */
4153 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4154 char *content_type /* or "" for any. regular expressions expected. */
4157 struct ctdlroom qrbuf;
4158 struct cdbdata *cdbfr;
4159 long *msglist = NULL;
4160 long *dellist = NULL;
4163 int num_deleted = 0;
4165 struct MetaData smi;
4168 int need_to_free_re = 0;
4170 if (content_type) if (!IsEmptyStr(content_type)) {
4171 regcomp(&re, content_type, 0);
4172 need_to_free_re = 1;
4174 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4175 room_name, num_dmsgnums, content_type);
4177 /* get room record, obtaining a lock... */
4178 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4179 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4181 if (need_to_free_re) regfree(&re);
4182 return (0); /* room not found */
4184 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4186 if (cdbfr != NULL) {
4187 dellist = malloc(cdbfr->len);
4188 msglist = (long *) cdbfr->ptr;
4189 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4190 num_msgs = cdbfr->len / sizeof(long);
4194 for (i = 0; i < num_msgs; ++i) {
4197 /* Set/clear a bit for each criterion */
4199 /* 0 messages in the list or a null list means that we are
4200 * interested in deleting any messages which meet the other criteria.
4202 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4203 delete_this |= 0x01;
4206 for (j=0; j<num_dmsgnums; ++j) {
4207 if (msglist[i] == dmsgnums[j]) {
4208 delete_this |= 0x01;
4213 if (IsEmptyStr(content_type)) {
4214 delete_this |= 0x02;
4216 GetMetaData(&smi, msglist[i]);
4217 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4218 delete_this |= 0x02;
4222 /* Delete message only if all bits are set */
4223 if (delete_this == 0x03) {
4224 dellist[num_deleted++] = msglist[i];
4229 num_msgs = sort_msglist(msglist, num_msgs);
4230 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4231 msglist, (int)(num_msgs * sizeof(long)));
4234 qrbuf.QRhighest = msglist[num_msgs - 1];
4236 qrbuf.QRhighest = 0;
4238 CtdlPutRoomLock(&qrbuf);
4240 /* Go through the messages we pulled out of the index, and decrement
4241 * their reference counts by 1. If this is the only room the message
4242 * was in, the reference count will reach zero and the message will
4243 * automatically be deleted from the database. We do this in a
4244 * separate pass because there might be plug-in hooks getting called,
4245 * and we don't want that happening during an S_ROOMS critical
4248 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4249 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4250 AdjRefCount(dellist[i], -1);
4253 /* Now free the memory we used, and go away. */
4254 if (msglist != NULL) free(msglist);
4255 if (dellist != NULL) free(dellist);
4256 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4257 if (need_to_free_re) regfree(&re);
4258 return (num_deleted);
4264 * Check whether the current user has permission to delete messages from
4265 * the current room (returns 1 for yes, 0 for no)
4267 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4269 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4270 if (ra & UA_DELETEALLOWED) return(1);
4278 * Delete message from current room
4280 void cmd_dele(char *args)
4289 extract_token(msgset, args, 0, '|', sizeof msgset);
4290 num_msgs = num_tokens(msgset, ',');
4292 cprintf("%d Nothing to do.\n", CIT_OK);
4296 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4297 cprintf("%d Higher access required.\n",
4298 ERROR + HIGHER_ACCESS_REQUIRED);
4303 * Build our message set to be moved/copied
4305 msgs = malloc(num_msgs * sizeof(long));
4306 for (i=0; i<num_msgs; ++i) {
4307 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4308 msgs[i] = atol(msgtok);
4311 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4315 cprintf("%d %d message%s deleted.\n", CIT_OK,
4316 num_deleted, ((num_deleted != 1) ? "s" : ""));
4318 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4326 * move or copy a message to another room
4328 void cmd_move(char *args)
4335 char targ[ROOMNAMELEN];
4336 struct ctdlroom qtemp;
4343 extract_token(msgset, args, 0, '|', sizeof msgset);
4344 num_msgs = num_tokens(msgset, ',');
4346 cprintf("%d Nothing to do.\n", CIT_OK);
4350 extract_token(targ, args, 1, '|', sizeof targ);
4351 convert_room_name_macros(targ, sizeof targ);
4352 targ[ROOMNAMELEN - 1] = 0;
4353 is_copy = extract_int(args, 2);
4355 if (CtdlGetRoom(&qtemp, targ) != 0) {
4356 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4360 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4361 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4365 CtdlGetUser(&CC->user, CC->curr_user);
4366 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4368 /* Check for permission to perform this operation.
4369 * Remember: "CC->room" is source, "qtemp" is target.
4373 /* Aides can move/copy */
4374 if (CC->user.axlevel >= AxAideU) permit = 1;
4376 /* Room aides can move/copy */
4377 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4379 /* Permit move/copy from personal rooms */
4380 if ((CC->room.QRflags & QR_MAILBOX)
4381 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4383 /* Permit only copy from public to personal room */
4385 && (!(CC->room.QRflags & QR_MAILBOX))
4386 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4388 /* Permit message removal from collaborative delete rooms */
4389 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4391 /* Users allowed to post into the target room may move into it too. */
4392 if ((CC->room.QRflags & QR_MAILBOX) &&
4393 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4395 /* User must have access to target room */
4396 if (!(ra & UA_KNOWN)) permit = 0;
4399 cprintf("%d Higher access required.\n",
4400 ERROR + HIGHER_ACCESS_REQUIRED);
4405 * Build our message set to be moved/copied
4407 msgs = malloc(num_msgs * sizeof(long));
4408 for (i=0; i<num_msgs; ++i) {
4409 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4410 msgs[i] = atol(msgtok);
4416 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4418 cprintf("%d Cannot store message(s) in %s: error %d\n",
4424 /* Now delete the message from the source room,
4425 * if this is a 'move' rather than a 'copy' operation.
4428 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4432 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4438 * GetMetaData() - Get the supplementary record for a message
4440 void GetMetaData(struct MetaData *smibuf, long msgnum)
4443 struct cdbdata *cdbsmi;
4446 memset(smibuf, 0, sizeof(struct MetaData));
4447 smibuf->meta_msgnum = msgnum;
4448 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4450 /* Use the negative of the message number for its supp record index */
4451 TheIndex = (0L - msgnum);
4453 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4454 if (cdbsmi == NULL) {
4455 return; /* record not found; go with defaults */
4457 memcpy(smibuf, cdbsmi->ptr,
4458 ((cdbsmi->len > sizeof(struct MetaData)) ?
4459 sizeof(struct MetaData) : cdbsmi->len));
4466 * PutMetaData() - (re)write supplementary record for a message
4468 void PutMetaData(struct MetaData *smibuf)
4472 /* Use the negative of the message number for the metadata db index */
4473 TheIndex = (0L - smibuf->meta_msgnum);
4475 cdb_store(CDB_MSGMAIN,
4476 &TheIndex, (int)sizeof(long),
4477 smibuf, (int)sizeof(struct MetaData));
4482 * AdjRefCount - submit an adjustment to the reference count for a message.
4483 * (These are just queued -- we actually process them later.)
4485 void AdjRefCount(long msgnum, int incr)
4487 struct arcq new_arcq;
4490 CtdlLogPrintf(CTDL_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4494 begin_critical_section(S_SUPPMSGMAIN);
4495 if (arcfp == NULL) {
4496 arcfp = fopen(file_arcq, "ab+");
4498 end_critical_section(S_SUPPMSGMAIN);
4500 /* msgnum < 0 means that we're trying to close the file */
4502 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4503 begin_critical_section(S_SUPPMSGMAIN);
4504 if (arcfp != NULL) {
4508 end_critical_section(S_SUPPMSGMAIN);
4513 * If we can't open the queue, perform the operation synchronously.
4515 if (arcfp == NULL) {
4516 TDAP_AdjRefCount(msgnum, incr);
4520 new_arcq.arcq_msgnum = msgnum;
4521 new_arcq.arcq_delta = incr;
4522 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4530 * TDAP_ProcessAdjRefCountQueue()
4532 * Process the queue of message count adjustments that was created by calls
4533 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4534 * for each one. This should be an "off hours" operation.
4536 int TDAP_ProcessAdjRefCountQueue(void)
4538 char file_arcq_temp[PATH_MAX];
4541 struct arcq arcq_rec;
4542 int num_records_processed = 0;
4544 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4546 begin_critical_section(S_SUPPMSGMAIN);
4547 if (arcfp != NULL) {
4552 r = link(file_arcq, file_arcq_temp);
4554 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4555 end_critical_section(S_SUPPMSGMAIN);
4556 return(num_records_processed);
4560 end_critical_section(S_SUPPMSGMAIN);
4562 fp = fopen(file_arcq_temp, "rb");
4564 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4565 return(num_records_processed);
4568 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4569 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4570 ++num_records_processed;
4574 r = unlink(file_arcq_temp);
4576 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4579 return(num_records_processed);
4585 * TDAP_AdjRefCount - adjust the reference count for a message.
4586 * This one does it "for real" because it's called by
4587 * the autopurger function that processes the queue
4588 * created by AdjRefCount(). If a message's reference
4589 * count becomes zero, we also delete the message from
4590 * disk and de-index it.
4592 void TDAP_AdjRefCount(long msgnum, int incr)
4595 struct MetaData smi;
4598 /* This is a *tight* critical section; please keep it that way, as
4599 * it may get called while nested in other critical sections.
4600 * Complicating this any further will surely cause deadlock!
4602 begin_critical_section(S_SUPPMSGMAIN);
4603 GetMetaData(&smi, msgnum);
4604 smi.meta_refcount += incr;
4606 end_critical_section(S_SUPPMSGMAIN);
4607 CtdlLogPrintf(CTDL_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4608 msgnum, incr, smi.meta_refcount
4611 /* If the reference count is now zero, delete the message
4612 * (and its supplementary record as well).
4614 if (smi.meta_refcount == 0) {
4615 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4617 /* Call delete hooks with NULL room to show it has gone altogether */
4618 PerformDeleteHooks(NULL, msgnum);
4620 /* Remove from message base */
4622 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4623 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4625 /* Remove metadata record */
4626 delnum = (0L - msgnum);
4627 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4633 * Write a generic object to this room
4635 * Note: this could be much more efficient. Right now we use two temporary
4636 * files, and still pull the message into memory as with all others.
4638 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4639 char *content_type, /* MIME type of this object */
4640 char *raw_message, /* Data to be written */
4641 off_t raw_length, /* Size of raw_message */
4642 struct ctdluser *is_mailbox, /* Mailbox room? */
4643 int is_binary, /* Is encoding necessary? */
4644 int is_unique, /* Del others of this type? */
4645 unsigned int flags /* Internal save flags */
4649 struct ctdlroom qrbuf;
4650 char roomname[ROOMNAMELEN];
4651 struct CtdlMessage *msg;
4652 char *encoded_message = NULL;
4654 if (is_mailbox != NULL) {
4655 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4658 safestrncpy(roomname, req_room, sizeof(roomname));
4661 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4664 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4667 encoded_message = malloc((size_t)(raw_length + 4096));
4670 sprintf(encoded_message, "Content-type: %s\n", content_type);
4673 sprintf(&encoded_message[strlen(encoded_message)],
4674 "Content-transfer-encoding: base64\n\n"
4678 sprintf(&encoded_message[strlen(encoded_message)],
4679 "Content-transfer-encoding: 7bit\n\n"
4685 &encoded_message[strlen(encoded_message)],
4693 &encoded_message[strlen(encoded_message)],
4699 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4700 msg = malloc(sizeof(struct CtdlMessage));
4701 memset(msg, 0, sizeof(struct CtdlMessage));
4702 msg->cm_magic = CTDLMESSAGE_MAGIC;
4703 msg->cm_anon_type = MES_NORMAL;
4704 msg->cm_format_type = 4;
4705 msg->cm_fields['A'] = strdup(CC->user.fullname);
4706 msg->cm_fields['O'] = strdup(req_room);
4707 msg->cm_fields['N'] = strdup(config.c_nodename);
4708 msg->cm_fields['H'] = strdup(config.c_humannode);
4709 msg->cm_flags = flags;
4711 msg->cm_fields['M'] = encoded_message;
4713 /* Create the requested room if we have to. */
4714 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4715 CtdlCreateRoom(roomname,
4716 ( (is_mailbox != NULL) ? 5 : 3 ),
4717 "", 0, 1, 0, VIEW_BBS);
4719 /* If the caller specified this object as unique, delete all
4720 * other objects of this type that are currently in the room.
4723 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4724 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4727 /* Now write the data */
4728 CtdlSubmitMsg(msg, NULL, roomname, 0);
4729 CtdlFreeMessage(msg);
4737 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4738 config_msgnum = msgnum;
4742 char *CtdlGetSysConfig(char *sysconfname) {
4743 char hold_rm[ROOMNAMELEN];
4746 struct CtdlMessage *msg;
4749 strcpy(hold_rm, CC->room.QRname);
4750 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4751 CtdlGetRoom(&CC->room, hold_rm);
4756 /* We want the last (and probably only) config in this room */
4757 begin_critical_section(S_CONFIG);
4758 config_msgnum = (-1L);
4759 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4760 CtdlGetSysConfigBackend, NULL);
4761 msgnum = config_msgnum;
4762 end_critical_section(S_CONFIG);
4768 msg = CtdlFetchMessage(msgnum, 1);
4770 conf = strdup(msg->cm_fields['M']);
4771 CtdlFreeMessage(msg);
4778 CtdlGetRoom(&CC->room, hold_rm);
4780 if (conf != NULL) do {
4781 extract_token(buf, conf, 0, '\n', sizeof buf);
4782 strcpy(conf, &conf[strlen(buf)+1]);
4783 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4789 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4790 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4795 * Determine whether a given Internet address belongs to the current user
4797 int CtdlIsMe(char *addr, int addr_buf_len)
4799 struct recptypes *recp;
4802 recp = validate_recipients(addr, NULL, 0);
4803 if (recp == NULL) return(0);
4805 if (recp->num_local == 0) {
4806 free_recipients(recp);
4810 for (i=0; i<recp->num_local; ++i) {
4811 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4812 if (!strcasecmp(addr, CC->user.fullname)) {
4813 free_recipients(recp);
4818 free_recipients(recp);
4824 * Citadel protocol command to do the same
4826 void cmd_isme(char *argbuf) {
4829 if (CtdlAccessCheck(ac_logged_in)) return;
4830 extract_token(addr, argbuf, 0, '|', sizeof addr);
4832 if (CtdlIsMe(addr, sizeof addr)) {
4833 cprintf("%d %s\n", CIT_OK, addr);
4836 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
4842 /*****************************************************************************/
4843 /* MODULE INITIALIZATION STUFF */
4844 /*****************************************************************************/
4846 CTDL_MODULE_INIT(msgbase)
4849 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
4850 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
4851 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
4852 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
4853 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
4854 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
4855 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
4856 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
4857 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
4858 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
4859 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
4860 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
4863 /* return our Subversion id for the Log */