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 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1878 for (i=0; i<n; ++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");
2232 * display a message (mode 0 - Citadel proprietary)
2234 void cmd_msg0(char *cmdbuf)
2237 int headers_only = HEADERS_ALL;
2239 msgid = extract_long(cmdbuf, 0);
2240 headers_only = extract_int(cmdbuf, 1);
2242 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2248 * display a message (mode 2 - RFC822)
2250 void cmd_msg2(char *cmdbuf)
2253 int headers_only = HEADERS_ALL;
2255 msgid = extract_long(cmdbuf, 0);
2256 headers_only = extract_int(cmdbuf, 1);
2258 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2264 * display a message (mode 3 - IGnet raw format - internal programs only)
2266 void cmd_msg3(char *cmdbuf)
2269 struct CtdlMessage *msg = NULL;
2272 if (CC->internal_pgm == 0) {
2273 cprintf("%d This command is for internal programs only.\n",
2274 ERROR + HIGHER_ACCESS_REQUIRED);
2278 msgnum = extract_long(cmdbuf, 0);
2279 msg = CtdlFetchMessage(msgnum, 1);
2281 cprintf("%d Message %ld not found.\n",
2282 ERROR + MESSAGE_NOT_FOUND, msgnum);
2286 serialize_message(&smr, msg);
2287 CtdlFreeMessage(msg);
2290 cprintf("%d Unable to serialize message\n",
2291 ERROR + INTERNAL_ERROR);
2295 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2296 client_write((char *)smr.ser, (int)smr.len);
2303 * Display a message using MIME content types
2305 void cmd_msg4(char *cmdbuf)
2310 msgid = extract_long(cmdbuf, 0);
2311 extract_token(section, cmdbuf, 1, '|', sizeof section);
2312 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2318 * Client tells us its preferred message format(s)
2320 void cmd_msgp(char *cmdbuf)
2322 if (!strcasecmp(cmdbuf, "dont_decode")) {
2323 CC->msg4_dont_decode = 1;
2324 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2327 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2328 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2334 * Open a component of a MIME message as a download file
2336 void cmd_opna(char *cmdbuf)
2339 char desired_section[128];
2341 msgid = extract_long(cmdbuf, 0);
2342 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2343 safestrncpy(CC->download_desired_section, desired_section,
2344 sizeof CC->download_desired_section);
2345 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2350 * Open a component of a MIME message and transmit it all at once
2352 void cmd_dlat(char *cmdbuf)
2355 char desired_section[128];
2357 msgid = extract_long(cmdbuf, 0);
2358 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2359 safestrncpy(CC->download_desired_section, desired_section,
2360 sizeof CC->download_desired_section);
2361 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2366 * Save one or more message pointers into a specified room
2367 * (Returns 0 for success, nonzero for failure)
2368 * roomname may be NULL to use the current room
2370 * Note that the 'supplied_msg' field may be set to NULL, in which case
2371 * the message will be fetched from disk, by number, if we need to perform
2372 * replication checks. This adds an additional database read, so if the
2373 * caller already has the message in memory then it should be supplied. (Obviously
2374 * this mode of operation only works if we're saving a single message.)
2376 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2377 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2380 char hold_rm[ROOMNAMELEN];
2381 struct cdbdata *cdbfr;
2384 long highest_msg = 0L;
2387 struct CtdlMessage *msg = NULL;
2389 long *msgs_to_be_merged = NULL;
2390 int num_msgs_to_be_merged = 0;
2392 CtdlLogPrintf(CTDL_DEBUG,
2393 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2394 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2397 strcpy(hold_rm, CC->room.QRname);
2400 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2401 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2402 if (num_newmsgs > 1) supplied_msg = NULL;
2404 /* Now the regular stuff */
2405 if (CtdlGetRoomLock(&CC->room,
2406 ((roomname != NULL) ? roomname : CC->room.QRname) )
2408 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2409 return(ERROR + ROOM_NOT_FOUND);
2413 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2414 num_msgs_to_be_merged = 0;
2417 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2418 if (cdbfr == NULL) {
2422 msglist = (long *) cdbfr->ptr;
2423 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2424 num_msgs = cdbfr->len / sizeof(long);
2429 /* Create a list of msgid's which were supplied by the caller, but do
2430 * not already exist in the target room. It is absolutely taboo to
2431 * have more than one reference to the same message in a room.
2433 for (i=0; i<num_newmsgs; ++i) {
2435 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2436 if (msglist[j] == newmsgidlist[i]) {
2441 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2445 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2448 * Now merge the new messages
2450 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2451 if (msglist == NULL) {
2452 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2454 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2455 num_msgs += num_msgs_to_be_merged;
2457 /* Sort the message list, so all the msgid's are in order */
2458 num_msgs = sort_msglist(msglist, num_msgs);
2460 /* Determine the highest message number */
2461 highest_msg = msglist[num_msgs - 1];
2463 /* Write it back to disk. */
2464 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2465 msglist, (int)(num_msgs * sizeof(long)));
2467 /* Free up the memory we used. */
2470 /* Update the highest-message pointer and unlock the room. */
2471 CC->room.QRhighest = highest_msg;
2472 CtdlPutRoomLock(&CC->room);
2474 /* Perform replication checks if necessary */
2475 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2476 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2478 for (i=0; i<num_msgs_to_be_merged; ++i) {
2479 msgid = msgs_to_be_merged[i];
2481 if (supplied_msg != NULL) {
2485 msg = CtdlFetchMessage(msgid, 0);
2489 ReplicationChecks(msg);
2491 /* If the message has an Exclusive ID, index that... */
2492 if (msg->cm_fields['E'] != NULL) {
2493 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2496 /* Free up the memory we may have allocated */
2497 if (msg != supplied_msg) {
2498 CtdlFreeMessage(msg);
2506 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2509 /* Submit this room for processing by hooks */
2510 PerformRoomHooks(&CC->room);
2512 /* Go back to the room we were in before we wandered here... */
2513 CtdlGetRoom(&CC->room, hold_rm);
2515 /* Bump the reference count for all messages which were merged */
2516 if (!suppress_refcount_adj) {
2517 for (i=0; i<num_msgs_to_be_merged; ++i) {
2518 AdjRefCount(msgs_to_be_merged[i], +1);
2522 /* Free up memory... */
2523 if (msgs_to_be_merged != NULL) {
2524 free(msgs_to_be_merged);
2527 /* Return success. */
2533 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2536 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2537 int do_repl_check, struct CtdlMessage *supplied_msg)
2539 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2546 * Message base operation to save a new message to the message store
2547 * (returns new message number)
2549 * This is the back end for CtdlSubmitMsg() and should not be directly
2550 * called by server-side modules.
2553 long send_message(struct CtdlMessage *msg) {
2561 /* Get a new message number */
2562 newmsgid = get_new_message_number();
2563 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2565 /* Generate an ID if we don't have one already */
2566 if (msg->cm_fields['I']==NULL) {
2567 msg->cm_fields['I'] = strdup(msgidbuf);
2570 /* If the message is big, set its body aside for storage elsewhere */
2571 if (msg->cm_fields['M'] != NULL) {
2572 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2574 holdM = msg->cm_fields['M'];
2575 msg->cm_fields['M'] = NULL;
2579 /* Serialize our data structure for storage in the database */
2580 serialize_message(&smr, msg);
2583 msg->cm_fields['M'] = holdM;
2587 cprintf("%d Unable to serialize message\n",
2588 ERROR + INTERNAL_ERROR);
2592 /* Write our little bundle of joy into the message base */
2593 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2594 smr.ser, smr.len) < 0) {
2595 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2599 cdb_store(CDB_BIGMSGS,
2609 /* Free the memory we used for the serialized message */
2612 /* Return the *local* message ID to the caller
2613 * (even if we're storing an incoming network message)
2621 * Serialize a struct CtdlMessage into the format used on disk and network.
2623 * This function loads up a "struct ser_ret" (defined in server.h) which
2624 * contains the length of the serialized message and a pointer to the
2625 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2627 void serialize_message(struct ser_ret *ret, /* return values */
2628 struct CtdlMessage *msg) /* unserialized msg */
2630 size_t wlen, fieldlen;
2632 static char *forder = FORDER;
2635 * Check for valid message format
2637 if (is_valid_message(msg) == 0) {
2638 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2645 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2646 ret->len = ret->len +
2647 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2649 ret->ser = malloc(ret->len);
2650 if (ret->ser == NULL) {
2651 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2652 (long)ret->len, strerror(errno));
2659 ret->ser[1] = msg->cm_anon_type;
2660 ret->ser[2] = msg->cm_format_type;
2663 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2664 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2665 ret->ser[wlen++] = (char)forder[i];
2666 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2667 wlen = wlen + fieldlen + 1;
2669 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2670 (long)ret->len, (long)wlen);
2677 * Serialize a struct CtdlMessage into the format used on disk and network.
2679 * This function loads up a "struct ser_ret" (defined in server.h) which
2680 * contains the length of the serialized message and a pointer to the
2681 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2683 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2684 long Siz) /* how many chars ? */
2688 static char *forder = FORDER;
2692 * Check for valid message format
2694 if (is_valid_message(msg) == 0) {
2695 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2699 buf = (char*) malloc (Siz + 1);
2703 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2704 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2705 msg->cm_fields[(int)forder[i]]);
2706 client_write (buf, strlen(buf));
2715 * Check to see if any messages already exist in the current room which
2716 * carry the same Exclusive ID as this one. If any are found, delete them.
2718 void ReplicationChecks(struct CtdlMessage *msg) {
2719 long old_msgnum = (-1L);
2721 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2723 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2726 /* No exclusive id? Don't do anything. */
2727 if (msg == NULL) return;
2728 if (msg->cm_fields['E'] == NULL) return;
2729 if (IsEmptyStr(msg->cm_fields['E'])) return;
2730 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2731 msg->cm_fields['E'], CC->room.QRname);*/
2733 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2734 if (old_msgnum > 0L) {
2735 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2736 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2743 * Save a message to disk and submit it into the delivery system.
2745 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2746 struct recptypes *recps, /* recipients (if mail) */
2747 char *force, /* force a particular room? */
2748 int flags /* should the message be exported clean? */
2750 char submit_filename[128];
2751 char generated_timestamp[32];
2752 char hold_rm[ROOMNAMELEN];
2753 char actual_rm[ROOMNAMELEN];
2754 char force_room[ROOMNAMELEN];
2755 char content_type[SIZ]; /* We have to learn this */
2756 char recipient[SIZ];
2758 const char *mptr = NULL;
2759 struct ctdluser userbuf;
2761 struct MetaData smi;
2762 FILE *network_fp = NULL;
2763 static int seqnum = 1;
2764 struct CtdlMessage *imsg = NULL;
2766 size_t instr_alloc = 0;
2768 char *hold_R, *hold_D;
2769 char *collected_addresses = NULL;
2770 struct addresses_to_be_filed *aptr = NULL;
2771 StrBuf *saved_rfc822_version = NULL;
2772 int qualified_for_journaling = 0;
2773 CitContext *CCC = CC; /* CachedCitContext - performance boost */
2774 char bounce_to[1024] = "";
2778 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2779 if (is_valid_message(msg) == 0) return(-1); /* self check */
2781 /* If this message has no timestamp, we take the liberty of
2782 * giving it one, right now.
2784 if (msg->cm_fields['T'] == NULL) {
2785 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2786 msg->cm_fields['T'] = strdup(generated_timestamp);
2789 /* If this message has no path, we generate one.
2791 if (msg->cm_fields['P'] == NULL) {
2792 if (msg->cm_fields['A'] != NULL) {
2793 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2794 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2795 if (isspace(msg->cm_fields['P'][a])) {
2796 msg->cm_fields['P'][a] = ' ';
2801 msg->cm_fields['P'] = strdup("unknown");
2805 if (force == NULL) {
2806 strcpy(force_room, "");
2809 strcpy(force_room, force);
2812 /* Learn about what's inside, because it's what's inside that counts */
2813 if (msg->cm_fields['M'] == NULL) {
2814 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2818 switch (msg->cm_format_type) {
2820 strcpy(content_type, "text/x-citadel-variformat");
2823 strcpy(content_type, "text/plain");
2826 strcpy(content_type, "text/plain");
2827 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2830 safestrncpy(content_type, &mptr[13], sizeof content_type);
2831 striplt(content_type);
2832 aptr = content_type;
2833 while (!IsEmptyStr(aptr)) {
2845 /* Goto the correct room */
2846 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2847 strcpy(hold_rm, CCC->room.QRname);
2848 strcpy(actual_rm, CCC->room.QRname);
2849 if (recps != NULL) {
2850 strcpy(actual_rm, SENTITEMS);
2853 /* If the user is a twit, move to the twit room for posting */
2855 if (CCC->user.axlevel == AxProbU) {
2856 strcpy(hold_rm, actual_rm);
2857 strcpy(actual_rm, config.c_twitroom);
2858 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2862 /* ...or if this message is destined for Aide> then go there. */
2863 if (!IsEmptyStr(force_room)) {
2864 strcpy(actual_rm, force_room);
2867 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2868 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2869 /* CtdlGetRoom(&CCC->room, actual_rm); */
2870 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
2874 * If this message has no O (room) field, generate one.
2876 if (msg->cm_fields['O'] == NULL) {
2877 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2880 /* Perform "before save" hooks (aborting if any return nonzero) */
2881 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2882 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2885 * If this message has an Exclusive ID, and the room is replication
2886 * checking enabled, then do replication checks.
2888 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2889 ReplicationChecks(msg);
2892 /* Save it to disk */
2893 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2894 newmsgid = send_message(msg);
2895 if (newmsgid <= 0L) return(-5);
2897 /* Write a supplemental message info record. This doesn't have to
2898 * be a critical section because nobody else knows about this message
2901 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2902 memset(&smi, 0, sizeof(struct MetaData));
2903 smi.meta_msgnum = newmsgid;
2904 smi.meta_refcount = 0;
2905 safestrncpy(smi.meta_content_type, content_type,
2906 sizeof smi.meta_content_type);
2909 * Measure how big this message will be when rendered as RFC822.
2910 * We do this for two reasons:
2911 * 1. We need the RFC822 length for the new metadata record, so the
2912 * POP and IMAP services don't have to calculate message lengths
2913 * while the user is waiting (multiplied by potentially hundreds
2914 * or thousands of messages).
2915 * 2. If journaling is enabled, we will need an RFC822 version of the
2916 * message to attach to the journalized copy.
2918 if (CCC->redirect_buffer != NULL) {
2919 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2922 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
2923 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2924 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
2925 saved_rfc822_version = CCC->redirect_buffer;
2926 CCC->redirect_buffer = NULL;
2930 /* Now figure out where to store the pointers */
2931 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2933 /* If this is being done by the networker delivering a private
2934 * message, we want to BYPASS saving the sender's copy (because there
2935 * is no local sender; it would otherwise go to the Trashcan).
2937 if ((!CCC->internal_pgm) || (recps == NULL)) {
2938 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2939 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2940 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2944 /* For internet mail, drop a copy in the outbound queue room */
2945 if ((recps != NULL) && (recps->num_internet > 0)) {
2946 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2949 /* If other rooms are specified, drop them there too. */
2950 if ((recps != NULL) && (recps->num_room > 0))
2951 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2952 extract_token(recipient, recps->recp_room, i,
2953 '|', sizeof recipient);
2954 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2955 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2958 /* Bump this user's messages posted counter. */
2959 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2960 CtdlGetUserLock(&CCC->user, CCC->curr_user);
2961 CCC->user.posted = CCC->user.posted + 1;
2962 CtdlPutUserLock(&CCC->user);
2964 /* Decide where bounces need to be delivered */
2965 if ((recps != NULL) && (recps->bounce_to != NULL)) {
2966 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
2968 else if (CCC->logged_in) {
2969 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
2972 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
2975 /* If this is private, local mail, make a copy in the
2976 * recipient's mailbox and bump the reference count.
2978 if ((recps != NULL) && (recps->num_local > 0))
2979 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2980 extract_token(recipient, recps->recp_local, i,
2981 '|', sizeof recipient);
2982 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2984 if (CtdlGetUser(&userbuf, recipient) == 0) {
2985 // Add a flag so the Funambol module knows its mail
2986 msg->cm_fields['W'] = strdup(recipient);
2987 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2988 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2989 CtdlBumpNewMailCounter(userbuf.usernum);
2990 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
2991 /* Generate a instruction message for the Funambol notification
2992 * server, in the same style as the SMTP queue
2995 instr = malloc(instr_alloc);
2996 snprintf(instr, instr_alloc,
2997 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2999 SPOOLMIME, newmsgid, (long)time(NULL),
3003 imsg = malloc(sizeof(struct CtdlMessage));
3004 memset(imsg, 0, sizeof(struct CtdlMessage));
3005 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3006 imsg->cm_anon_type = MES_NORMAL;
3007 imsg->cm_format_type = FMT_RFC822;
3008 imsg->cm_fields['A'] = strdup("Citadel");
3009 imsg->cm_fields['J'] = strdup("do not journal");
3010 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3011 imsg->cm_fields['W'] = strdup(recipient);
3012 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3013 CtdlFreeMessage(imsg);
3017 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
3018 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3023 /* Perform "after save" hooks */
3024 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
3025 PerformMessageHooks(msg, EVT_AFTERSAVE);
3027 /* For IGnet mail, we have to save a new copy into the spooler for
3028 * each recipient, with the R and D fields set to the recipient and
3029 * destination-node. This has two ugly side effects: all other
3030 * recipients end up being unlisted in this recipient's copy of the
3031 * message, and it has to deliver multiple messages to the same
3032 * node. We'll revisit this again in a year or so when everyone has
3033 * a network spool receiver that can handle the new style messages.
3035 if ((recps != NULL) && (recps->num_ignet > 0))
3036 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3037 extract_token(recipient, recps->recp_ignet, i,
3038 '|', sizeof recipient);
3040 hold_R = msg->cm_fields['R'];
3041 hold_D = msg->cm_fields['D'];
3042 msg->cm_fields['R'] = malloc(SIZ);
3043 msg->cm_fields['D'] = malloc(128);
3044 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3045 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3047 serialize_message(&smr, msg);
3049 snprintf(submit_filename, sizeof submit_filename,
3050 "%s/netmail.%04lx.%04x.%04x",
3052 (long) getpid(), CCC->cs_pid, ++seqnum);
3053 network_fp = fopen(submit_filename, "wb+");
3054 if (network_fp != NULL) {
3055 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3061 free(msg->cm_fields['R']);
3062 free(msg->cm_fields['D']);
3063 msg->cm_fields['R'] = hold_R;
3064 msg->cm_fields['D'] = hold_D;
3067 /* Go back to the room we started from */
3068 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
3069 if (strcasecmp(hold_rm, CCC->room.QRname))
3070 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3072 /* For internet mail, generate delivery instructions.
3073 * Yes, this is recursive. Deal with it. Infinite recursion does
3074 * not happen because the delivery instructions message does not
3075 * contain a recipient.
3077 if ((recps != NULL) && (recps->num_internet > 0)) {
3078 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
3080 instr = malloc(instr_alloc);
3081 snprintf(instr, instr_alloc,
3082 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3084 SPOOLMIME, newmsgid, (long)time(NULL),
3088 if (recps->envelope_from != NULL) {
3089 tmp = strlen(instr);
3090 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3093 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3094 tmp = strlen(instr);
3095 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3096 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3097 instr_alloc = instr_alloc * 2;
3098 instr = realloc(instr, instr_alloc);
3100 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3103 imsg = malloc(sizeof(struct CtdlMessage));
3104 memset(imsg, 0, sizeof(struct CtdlMessage));
3105 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3106 imsg->cm_anon_type = MES_NORMAL;
3107 imsg->cm_format_type = FMT_RFC822;
3108 imsg->cm_fields['A'] = strdup("Citadel");
3109 imsg->cm_fields['J'] = strdup("do not journal");
3110 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3111 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3112 CtdlFreeMessage(imsg);
3116 * Any addresses to harvest for someone's address book?
3118 if ( (CCC->logged_in) && (recps != NULL) ) {
3119 collected_addresses = harvest_collected_addresses(msg);
3122 if (collected_addresses != NULL) {
3123 aptr = (struct addresses_to_be_filed *)
3124 malloc(sizeof(struct addresses_to_be_filed));
3125 CtdlMailboxName(actual_rm, sizeof actual_rm,
3126 &CCC->user, USERCONTACTSROOM);
3127 aptr->roomname = strdup(actual_rm);
3128 aptr->collected_addresses = collected_addresses;
3129 begin_critical_section(S_ATBF);
3132 end_critical_section(S_ATBF);
3136 * Determine whether this message qualifies for journaling.
3138 if (msg->cm_fields['J'] != NULL) {
3139 qualified_for_journaling = 0;
3142 if (recps == NULL) {
3143 qualified_for_journaling = config.c_journal_pubmsgs;
3145 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3146 qualified_for_journaling = config.c_journal_email;
3149 qualified_for_journaling = config.c_journal_pubmsgs;
3154 * Do we have to perform journaling? If so, hand off the saved
3155 * RFC822 version will be handed off to the journaler for background
3156 * submit. Otherwise, we have to free the memory ourselves.
3158 if (saved_rfc822_version != NULL) {
3159 if (qualified_for_journaling) {
3160 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3163 FreeStrBuf(&saved_rfc822_version);
3173 void aide_message (char *text, char *subject)
3175 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3180 * Convenience function for generating small administrative messages.
3182 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3183 int format_type, const char *subject)
3185 struct CtdlMessage *msg;
3186 struct recptypes *recp = NULL;
3188 msg = malloc(sizeof(struct CtdlMessage));
3189 memset(msg, 0, sizeof(struct CtdlMessage));
3190 msg->cm_magic = CTDLMESSAGE_MAGIC;
3191 msg->cm_anon_type = MES_NORMAL;
3192 msg->cm_format_type = format_type;
3195 msg->cm_fields['A'] = strdup(from);
3197 else if (fromaddr != NULL) {
3198 msg->cm_fields['A'] = strdup(fromaddr);
3199 if (strchr(msg->cm_fields['A'], '@')) {
3200 *strchr(msg->cm_fields['A'], '@') = 0;
3204 msg->cm_fields['A'] = strdup("Citadel");
3207 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3208 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3209 msg->cm_fields['N'] = strdup(NODENAME);
3211 msg->cm_fields['R'] = strdup(to);
3212 recp = validate_recipients(to, NULL, 0);
3214 if (subject != NULL) {
3215 msg->cm_fields['U'] = strdup(subject);
3217 msg->cm_fields['M'] = strdup(text);
3219 CtdlSubmitMsg(msg, recp, room, 0);
3220 CtdlFreeMessage(msg);
3221 if (recp != NULL) free_recipients(recp);
3227 * Back end function used by CtdlMakeMessage() and similar functions
3229 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3231 size_t maxlen, /* maximum message length */
3232 char *exist, /* if non-null, append to it;
3233 exist is ALWAYS freed */
3234 int crlf, /* CRLF newlines instead of LF */
3235 int *sock /* socket handle or 0 for this session's client socket */
3244 LineBuf = NewStrBufPlain(NULL, SIZ);
3245 if (exist == NULL) {
3246 Message = NewStrBufPlain(NULL, 4 * SIZ);
3249 Message = NewStrBufPlain(exist, -1);
3253 /* Do we need to change leading ".." to "." for SMTP escaping? */
3254 if ((tlen == 1) && (*terminator == '.')) {
3258 /* read in the lines of message text one by one */
3261 if ((CtdlSockGetLine(sock, LineBuf) < 0) ||
3266 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3268 if ((StrLength(LineBuf) == tlen) &&
3269 (!strcmp(ChrPtr(LineBuf), terminator)))
3272 if ( (!flushing) && (!finished) ) {
3274 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3277 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3280 /* Unescape SMTP-style input of two dots at the beginning of the line */
3282 (StrLength(LineBuf) == 2) &&
3283 (!strcmp(ChrPtr(LineBuf), "..")))
3285 StrBufCutLeft(LineBuf, 1);
3288 StrBufAppendBuf(Message, LineBuf, 0);
3291 /* if we've hit the max msg length, flush the rest */
3292 if (StrLength(Message) >= maxlen) flushing = 1;
3294 } while (!finished);
3295 FreeStrBuf(&LineBuf);
3301 * Back end function used by CtdlMakeMessage() and similar functions
3303 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3305 size_t maxlen, /* maximum message length */
3306 char *exist, /* if non-null, append to it;
3307 exist is ALWAYS freed */
3308 int crlf, /* CRLF newlines instead of LF */
3309 int *sock /* socket handle or 0 for this session's client socket */
3314 Message = CtdlReadMessageBodyBuf(terminator,
3320 if (Message == NULL)
3323 return SmashStrBuf(&Message);
3328 * Build a binary message to be saved on disk.
3329 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3330 * will become part of the message. This means you are no longer
3331 * responsible for managing that memory -- it will be freed along with
3332 * the rest of the fields when CtdlFreeMessage() is called.)
3335 struct CtdlMessage *CtdlMakeMessage(
3336 struct ctdluser *author, /* author's user structure */
3337 char *recipient, /* NULL if it's not mail */
3338 char *recp_cc, /* NULL if it's not mail */
3339 char *room, /* room where it's going */
3340 int type, /* see MES_ types in header file */
3341 int format_type, /* variformat, plain text, MIME... */
3342 char *fake_name, /* who we're masquerading as */
3343 char *my_email, /* which of my email addresses to use (empty is ok) */
3344 char *subject, /* Subject (optional) */
3345 char *supplied_euid, /* ...or NULL if this is irrelevant */
3346 char *preformatted_text, /* ...or NULL to read text from client */
3347 char *references /* Thread references */
3349 char dest_node[256];
3351 struct CtdlMessage *msg;
3353 msg = malloc(sizeof(struct CtdlMessage));
3354 memset(msg, 0, sizeof(struct CtdlMessage));
3355 msg->cm_magic = CTDLMESSAGE_MAGIC;
3356 msg->cm_anon_type = type;
3357 msg->cm_format_type = format_type;
3359 /* Don't confuse the poor folks if it's not routed mail. */
3360 strcpy(dest_node, "");
3362 if (recipient != NULL) striplt(recipient);
3363 if (recp_cc != NULL) striplt(recp_cc);
3365 /* Path or Return-Path */
3366 if (my_email == NULL) my_email = "";
3368 if (!IsEmptyStr(my_email)) {
3369 msg->cm_fields['P'] = strdup(my_email);
3372 snprintf(buf, sizeof buf, "%s", author->fullname);
3373 msg->cm_fields['P'] = strdup(buf);
3375 convert_spaces_to_underscores(msg->cm_fields['P']);
3377 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3378 msg->cm_fields['T'] = strdup(buf);
3380 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3381 msg->cm_fields['A'] = strdup(fake_name);
3384 msg->cm_fields['A'] = strdup(author->fullname);
3387 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3388 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3391 msg->cm_fields['O'] = strdup(CC->room.QRname);
3394 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3395 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3397 if ((recipient != NULL) && (recipient[0] != 0)) {
3398 msg->cm_fields['R'] = strdup(recipient);
3400 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3401 msg->cm_fields['Y'] = strdup(recp_cc);
3403 if (dest_node[0] != 0) {
3404 msg->cm_fields['D'] = strdup(dest_node);
3407 if (!IsEmptyStr(my_email)) {
3408 msg->cm_fields['F'] = strdup(my_email);
3410 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3411 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3414 if (subject != NULL) {
3417 length = strlen(subject);
3423 while ((subject[i] != '\0') &&
3424 (IsAscii = isascii(subject[i]) != 0 ))
3427 msg->cm_fields['U'] = strdup(subject);
3428 else /* ok, we've got utf8 in the string. */
3430 msg->cm_fields['U'] = rfc2047encode(subject, length);
3436 if (supplied_euid != NULL) {
3437 msg->cm_fields['E'] = strdup(supplied_euid);
3440 if (references != NULL) {
3441 if (!IsEmptyStr(references)) {
3442 msg->cm_fields['W'] = strdup(references);
3446 if (preformatted_text != NULL) {
3447 msg->cm_fields['M'] = preformatted_text;
3450 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3458 * Check to see whether we have permission to post a message in the current
3459 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3460 * returns 0 on success.
3462 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3464 const char* RemoteIdentifier,
3468 if (!(CC->logged_in) &&
3469 (PostPublic == POST_LOGGED_IN)) {
3470 snprintf(errmsgbuf, n, "Not logged in.");
3471 return (ERROR + NOT_LOGGED_IN);
3473 else if (PostPublic == CHECK_EXISTANCE) {
3474 return (0); // We're Evaling whether a recipient exists
3476 else if (!(CC->logged_in)) {
3478 if ((CC->room.QRflags & QR_READONLY)) {
3479 snprintf(errmsgbuf, n, "Not logged in.");
3480 return (ERROR + NOT_LOGGED_IN);
3482 if (CC->room.QRflags2 & QR2_MODERATED) {
3483 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3484 return (ERROR + NOT_LOGGED_IN);
3486 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3491 if (RemoteIdentifier == NULL)
3493 snprintf(errmsgbuf, n, "Need sender to permit access.");
3494 return (ERROR + USERNAME_REQUIRED);
3497 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3498 begin_critical_section(S_NETCONFIGS);
3499 if (!read_spoolcontrol_file(&sc, filename))
3501 end_critical_section(S_NETCONFIGS);
3502 snprintf(errmsgbuf, n,
3503 "This mailing list only accepts posts from subscribers.");
3504 return (ERROR + NO_SUCH_USER);
3506 end_critical_section(S_NETCONFIGS);
3507 found = is_recipient (sc, RemoteIdentifier);
3508 free_spoolcontrol_struct(&sc);
3513 snprintf(errmsgbuf, n,
3514 "This mailing list only accepts posts from subscribers.");
3515 return (ERROR + NO_SUCH_USER);
3522 if ((CC->user.axlevel < AxProbU)
3523 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3524 snprintf(errmsgbuf, n, "Need to be validated to enter "
3525 "(except in %s> to sysop)", MAILROOM);
3526 return (ERROR + HIGHER_ACCESS_REQUIRED);
3529 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3530 if (!(ra & UA_POSTALLOWED)) {
3531 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3532 return (ERROR + HIGHER_ACCESS_REQUIRED);
3535 strcpy(errmsgbuf, "Ok");
3541 * Check to see if the specified user has Internet mail permission
3542 * (returns nonzero if permission is granted)
3544 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3546 /* Do not allow twits to send Internet mail */
3547 if (who->axlevel <= AxProbU) return(0);
3549 /* Globally enabled? */
3550 if (config.c_restrict == 0) return(1);
3552 /* User flagged ok? */
3553 if (who->flags & US_INTERNET) return(2);
3555 /* Aide level access? */
3556 if (who->axlevel >= AxAideU) return(3);
3558 /* No mail for you! */
3564 * Validate recipients, count delivery types and errors, and handle aliasing
3565 * FIXME check for dupes!!!!!
3567 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3568 * were specified, or the number of addresses found invalid.
3570 * Caller needs to free the result using free_recipients()
3572 struct recptypes *validate_recipients(const char *supplied_recipients,
3573 const char *RemoteIdentifier,
3575 struct recptypes *ret;
3576 char *recipients = NULL;
3577 char this_recp[256];
3578 char this_recp_cooked[256];
3584 struct ctdluser tempUS;
3585 struct ctdlroom tempQR;
3586 struct ctdlroom tempQR2;
3592 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3593 if (ret == NULL) return(NULL);
3595 /* Set all strings to null and numeric values to zero */
3596 memset(ret, 0, sizeof(struct recptypes));
3598 if (supplied_recipients == NULL) {
3599 recipients = strdup("");
3602 recipients = strdup(supplied_recipients);
3605 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3606 * actually need, but it's healthier for the heap than doing lots of tiny
3607 * realloc() calls instead.
3610 ret->errormsg = malloc(strlen(recipients) + 1024);
3611 ret->recp_local = malloc(strlen(recipients) + 1024);
3612 ret->recp_internet = malloc(strlen(recipients) + 1024);
3613 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3614 ret->recp_room = malloc(strlen(recipients) + 1024);
3615 ret->display_recp = malloc(strlen(recipients) + 1024);
3617 ret->errormsg[0] = 0;
3618 ret->recp_local[0] = 0;
3619 ret->recp_internet[0] = 0;
3620 ret->recp_ignet[0] = 0;
3621 ret->recp_room[0] = 0;
3622 ret->display_recp[0] = 0;
3624 ret->recptypes_magic = RECPTYPES_MAGIC;
3626 /* Change all valid separator characters to commas */
3627 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3628 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3629 recipients[i] = ',';
3633 /* Now start extracting recipients... */
3635 while (!IsEmptyStr(recipients)) {
3637 for (i=0; i<=strlen(recipients); ++i) {
3638 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3639 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3640 safestrncpy(this_recp, recipients, i+1);
3642 if (recipients[i] == ',') {
3643 strcpy(recipients, &recipients[i+1]);
3646 strcpy(recipients, "");
3653 if (IsEmptyStr(this_recp))
3655 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3657 mailtype = alias(this_recp);
3658 mailtype = alias(this_recp);
3659 mailtype = alias(this_recp);
3661 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3662 if (this_recp[j]=='_') {
3663 this_recp_cooked[j] = ' ';
3666 this_recp_cooked[j] = this_recp[j];
3669 this_recp_cooked[j] = '\0';
3674 if (!strcasecmp(this_recp, "sysop")) {
3676 strcpy(this_recp, config.c_aideroom);
3677 if (!IsEmptyStr(ret->recp_room)) {
3678 strcat(ret->recp_room, "|");
3680 strcat(ret->recp_room, this_recp);
3682 else if ( (!strncasecmp(this_recp, "room_", 5))
3683 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3685 /* Save room so we can restore it later */
3689 /* Check permissions to send mail to this room */
3690 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3702 if (!IsEmptyStr(ret->recp_room)) {
3703 strcat(ret->recp_room, "|");
3705 strcat(ret->recp_room, &this_recp_cooked[5]);
3708 /* Restore room in case something needs it */
3712 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3714 strcpy(this_recp, tempUS.fullname);
3715 if (!IsEmptyStr(ret->recp_local)) {
3716 strcat(ret->recp_local, "|");
3718 strcat(ret->recp_local, this_recp);
3720 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3722 strcpy(this_recp, tempUS.fullname);
3723 if (!IsEmptyStr(ret->recp_local)) {
3724 strcat(ret->recp_local, "|");
3726 strcat(ret->recp_local, this_recp);
3734 /* Yes, you're reading this correctly: if the target
3735 * domain points back to the local system or an attached
3736 * Citadel directory, the address is invalid. That's
3737 * because if the address were valid, we would have
3738 * already translated it to a local address by now.
3740 if (IsDirectory(this_recp, 0)) {
3745 ++ret->num_internet;
3746 if (!IsEmptyStr(ret->recp_internet)) {
3747 strcat(ret->recp_internet, "|");
3749 strcat(ret->recp_internet, this_recp);
3754 if (!IsEmptyStr(ret->recp_ignet)) {
3755 strcat(ret->recp_ignet, "|");
3757 strcat(ret->recp_ignet, this_recp);
3765 if (IsEmptyStr(errmsg)) {
3766 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3769 snprintf(append, sizeof append, "%s", errmsg);
3771 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3772 if (!IsEmptyStr(ret->errormsg)) {
3773 strcat(ret->errormsg, "; ");
3775 strcat(ret->errormsg, append);
3779 if (IsEmptyStr(ret->display_recp)) {
3780 strcpy(append, this_recp);
3783 snprintf(append, sizeof append, ", %s", this_recp);
3785 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3786 strcat(ret->display_recp, append);
3791 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3792 ret->num_room + ret->num_error) == 0) {
3793 ret->num_error = (-1);
3794 strcpy(ret->errormsg, "No recipients specified.");
3797 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3798 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3799 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3800 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3801 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3802 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3810 * Destructor for struct recptypes
3812 void free_recipients(struct recptypes *valid) {
3814 if (valid == NULL) {
3818 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3819 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3823 if (valid->errormsg != NULL) free(valid->errormsg);
3824 if (valid->recp_local != NULL) free(valid->recp_local);
3825 if (valid->recp_internet != NULL) free(valid->recp_internet);
3826 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3827 if (valid->recp_room != NULL) free(valid->recp_room);
3828 if (valid->display_recp != NULL) free(valid->display_recp);
3829 if (valid->bounce_to != NULL) free(valid->bounce_to);
3830 if (valid->envelope_from != NULL) free(valid->envelope_from);
3837 * message entry - mode 0 (normal)
3839 void cmd_ent0(char *entargs)
3845 char supplied_euid[128];
3847 int format_type = 0;
3848 char newusername[256];
3849 char newuseremail[256];
3850 struct CtdlMessage *msg;
3854 struct recptypes *valid = NULL;
3855 struct recptypes *valid_to = NULL;
3856 struct recptypes *valid_cc = NULL;
3857 struct recptypes *valid_bcc = NULL;
3859 int subject_required = 0;
3864 int newuseremail_ok = 0;
3865 char references[SIZ];
3870 post = extract_int(entargs, 0);
3871 extract_token(recp, entargs, 1, '|', sizeof recp);
3872 anon_flag = extract_int(entargs, 2);
3873 format_type = extract_int(entargs, 3);
3874 extract_token(subject, entargs, 4, '|', sizeof subject);
3875 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3876 do_confirm = extract_int(entargs, 6);
3877 extract_token(cc, entargs, 7, '|', sizeof cc);
3878 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3879 switch(CC->room.QRdefaultview) {
3882 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3885 supplied_euid[0] = 0;
3888 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3889 extract_token(references, entargs, 11, '|', sizeof references);
3890 for (ptr=references; *ptr != 0; ++ptr) {
3891 if (*ptr == '!') *ptr = '|';
3894 /* first check to make sure the request is valid. */
3896 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3899 cprintf("%d %s\n", err, errmsg);
3903 /* Check some other permission type things. */
3905 if (IsEmptyStr(newusername)) {
3906 strcpy(newusername, CC->user.fullname);
3908 if ( (CC->user.axlevel < AxAideU)
3909 && (strcasecmp(newusername, CC->user.fullname))
3910 && (strcasecmp(newusername, CC->cs_inet_fn))
3912 cprintf("%d You don't have permission to author messages as '%s'.\n",
3913 ERROR + HIGHER_ACCESS_REQUIRED,
3920 if (IsEmptyStr(newuseremail)) {
3921 newuseremail_ok = 1;
3924 if (!IsEmptyStr(newuseremail)) {
3925 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3926 newuseremail_ok = 1;
3928 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3929 j = num_tokens(CC->cs_inet_other_emails, '|');
3930 for (i=0; i<j; ++i) {
3931 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3932 if (!strcasecmp(newuseremail, buf)) {
3933 newuseremail_ok = 1;
3939 if (!newuseremail_ok) {
3940 cprintf("%d You don't have permission to author messages as '%s'.\n",
3941 ERROR + HIGHER_ACCESS_REQUIRED,
3947 CC->cs_flags |= CS_POSTING;
3949 /* In mailbox rooms we have to behave a little differently --
3950 * make sure the user has specified at least one recipient. Then
3951 * validate the recipient(s). We do this for the Mail> room, as
3952 * well as any room which has the "Mailbox" view set.
3955 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3956 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3958 if (CC->user.axlevel < AxProbU) {
3959 strcpy(recp, "sysop");
3964 valid_to = validate_recipients(recp, NULL, 0);
3965 if (valid_to->num_error > 0) {
3966 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3967 free_recipients(valid_to);
3971 valid_cc = validate_recipients(cc, NULL, 0);
3972 if (valid_cc->num_error > 0) {
3973 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
3974 free_recipients(valid_to);
3975 free_recipients(valid_cc);
3979 valid_bcc = validate_recipients(bcc, NULL, 0);
3980 if (valid_bcc->num_error > 0) {
3981 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
3982 free_recipients(valid_to);
3983 free_recipients(valid_cc);
3984 free_recipients(valid_bcc);
3988 /* Recipient required, but none were specified */
3989 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3990 free_recipients(valid_to);
3991 free_recipients(valid_cc);
3992 free_recipients(valid_bcc);
3993 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3997 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3998 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3999 cprintf("%d You do not have permission "
4000 "to send Internet mail.\n",
4001 ERROR + HIGHER_ACCESS_REQUIRED);
4002 free_recipients(valid_to);
4003 free_recipients(valid_cc);
4004 free_recipients(valid_bcc);
4009 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)
4010 && (CC->user.axlevel < AxNetU) ) {
4011 cprintf("%d Higher access required for network mail.\n",
4012 ERROR + HIGHER_ACCESS_REQUIRED);
4013 free_recipients(valid_to);
4014 free_recipients(valid_cc);
4015 free_recipients(valid_bcc);
4019 if ((RESTRICT_INTERNET == 1)
4020 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4021 && ((CC->user.flags & US_INTERNET) == 0)
4022 && (!CC->internal_pgm)) {
4023 cprintf("%d You don't have access to Internet mail.\n",
4024 ERROR + HIGHER_ACCESS_REQUIRED);
4025 free_recipients(valid_to);
4026 free_recipients(valid_cc);
4027 free_recipients(valid_bcc);
4033 /* Is this a room which has anonymous-only or anonymous-option? */
4034 anonymous = MES_NORMAL;
4035 if (CC->room.QRflags & QR_ANONONLY) {
4036 anonymous = MES_ANONONLY;
4038 if (CC->room.QRflags & QR_ANONOPT) {
4039 if (anon_flag == 1) { /* only if the user requested it */
4040 anonymous = MES_ANONOPT;
4044 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4048 /* Recommend to the client that the use of a message subject is
4049 * strongly recommended in this room, if either the SUBJECTREQ flag
4050 * is set, or if there is one or more Internet email recipients.
4052 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4053 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4054 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4055 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4057 /* If we're only checking the validity of the request, return
4058 * success without creating the message.
4061 cprintf("%d %s|%d\n", CIT_OK,
4062 ((valid_to != NULL) ? valid_to->display_recp : ""),
4064 free_recipients(valid_to);
4065 free_recipients(valid_cc);
4066 free_recipients(valid_bcc);
4070 /* We don't need these anymore because we'll do it differently below */
4071 free_recipients(valid_to);
4072 free_recipients(valid_cc);
4073 free_recipients(valid_bcc);
4075 /* Read in the message from the client. */
4077 cprintf("%d send message\n", START_CHAT_MODE);
4079 cprintf("%d send message\n", SEND_LISTING);
4082 msg = CtdlMakeMessage(&CC->user, recp, cc,
4083 CC->room.QRname, anonymous, format_type,
4084 newusername, newuseremail, subject,
4085 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4088 /* Put together one big recipients struct containing to/cc/bcc all in
4089 * one. This is for the envelope.
4091 char *all_recps = malloc(SIZ * 3);
4092 strcpy(all_recps, recp);
4093 if (!IsEmptyStr(cc)) {
4094 if (!IsEmptyStr(all_recps)) {
4095 strcat(all_recps, ",");
4097 strcat(all_recps, cc);
4099 if (!IsEmptyStr(bcc)) {
4100 if (!IsEmptyStr(all_recps)) {
4101 strcat(all_recps, ",");
4103 strcat(all_recps, bcc);
4105 if (!IsEmptyStr(all_recps)) {
4106 valid = validate_recipients(all_recps, NULL, 0);
4114 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4117 cprintf("%ld\n", msgnum);
4119 cprintf("Message accepted.\n");
4122 cprintf("Internal error.\n");
4124 if (msg->cm_fields['E'] != NULL) {
4125 cprintf("%s\n", msg->cm_fields['E']);
4132 CtdlFreeMessage(msg);
4134 if (valid != NULL) {
4135 free_recipients(valid);
4143 * API function to delete messages which match a set of criteria
4144 * (returns the actual number of messages deleted)
4146 int CtdlDeleteMessages(char *room_name, /* which room */
4147 long *dmsgnums, /* array of msg numbers to be deleted */
4148 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4149 char *content_type /* or "" for any. regular expressions expected. */
4152 struct ctdlroom qrbuf;
4153 struct cdbdata *cdbfr;
4154 long *msglist = NULL;
4155 long *dellist = NULL;
4158 int num_deleted = 0;
4160 struct MetaData smi;
4163 int need_to_free_re = 0;
4165 if (content_type) if (!IsEmptyStr(content_type)) {
4166 regcomp(&re, content_type, 0);
4167 need_to_free_re = 1;
4169 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4170 room_name, num_dmsgnums, content_type);
4172 /* get room record, obtaining a lock... */
4173 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4174 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4176 if (need_to_free_re) regfree(&re);
4177 return (0); /* room not found */
4179 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4181 if (cdbfr != NULL) {
4182 dellist = malloc(cdbfr->len);
4183 msglist = (long *) cdbfr->ptr;
4184 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4185 num_msgs = cdbfr->len / sizeof(long);
4189 for (i = 0; i < num_msgs; ++i) {
4192 /* Set/clear a bit for each criterion */
4194 /* 0 messages in the list or a null list means that we are
4195 * interested in deleting any messages which meet the other criteria.
4197 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4198 delete_this |= 0x01;
4201 for (j=0; j<num_dmsgnums; ++j) {
4202 if (msglist[i] == dmsgnums[j]) {
4203 delete_this |= 0x01;
4208 if (IsEmptyStr(content_type)) {
4209 delete_this |= 0x02;
4211 GetMetaData(&smi, msglist[i]);
4212 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4213 delete_this |= 0x02;
4217 /* Delete message only if all bits are set */
4218 if (delete_this == 0x03) {
4219 dellist[num_deleted++] = msglist[i];
4224 num_msgs = sort_msglist(msglist, num_msgs);
4225 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4226 msglist, (int)(num_msgs * sizeof(long)));
4229 qrbuf.QRhighest = msglist[num_msgs - 1];
4231 qrbuf.QRhighest = 0;
4233 CtdlPutRoomLock(&qrbuf);
4235 /* Go through the messages we pulled out of the index, and decrement
4236 * their reference counts by 1. If this is the only room the message
4237 * was in, the reference count will reach zero and the message will
4238 * automatically be deleted from the database. We do this in a
4239 * separate pass because there might be plug-in hooks getting called,
4240 * and we don't want that happening during an S_ROOMS critical
4243 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4244 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4245 AdjRefCount(dellist[i], -1);
4248 /* Now free the memory we used, and go away. */
4249 if (msglist != NULL) free(msglist);
4250 if (dellist != NULL) free(dellist);
4251 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4252 if (need_to_free_re) regfree(&re);
4253 return (num_deleted);
4259 * Check whether the current user has permission to delete messages from
4260 * the current room (returns 1 for yes, 0 for no)
4262 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4264 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4265 if (ra & UA_DELETEALLOWED) return(1);
4273 * Delete message from current room
4275 void cmd_dele(char *args)
4284 extract_token(msgset, args, 0, '|', sizeof msgset);
4285 num_msgs = num_tokens(msgset, ',');
4287 cprintf("%d Nothing to do.\n", CIT_OK);
4291 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4292 cprintf("%d Higher access required.\n",
4293 ERROR + HIGHER_ACCESS_REQUIRED);
4298 * Build our message set to be moved/copied
4300 msgs = malloc(num_msgs * sizeof(long));
4301 for (i=0; i<num_msgs; ++i) {
4302 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4303 msgs[i] = atol(msgtok);
4306 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4310 cprintf("%d %d message%s deleted.\n", CIT_OK,
4311 num_deleted, ((num_deleted != 1) ? "s" : ""));
4313 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4321 * move or copy a message to another room
4323 void cmd_move(char *args)
4330 char targ[ROOMNAMELEN];
4331 struct ctdlroom qtemp;
4338 extract_token(msgset, args, 0, '|', sizeof msgset);
4339 num_msgs = num_tokens(msgset, ',');
4341 cprintf("%d Nothing to do.\n", CIT_OK);
4345 extract_token(targ, args, 1, '|', sizeof targ);
4346 convert_room_name_macros(targ, sizeof targ);
4347 targ[ROOMNAMELEN - 1] = 0;
4348 is_copy = extract_int(args, 2);
4350 if (CtdlGetRoom(&qtemp, targ) != 0) {
4351 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4355 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4356 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4360 CtdlGetUser(&CC->user, CC->curr_user);
4361 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4363 /* Check for permission to perform this operation.
4364 * Remember: "CC->room" is source, "qtemp" is target.
4368 /* Aides can move/copy */
4369 if (CC->user.axlevel >= AxAideU) permit = 1;
4371 /* Room aides can move/copy */
4372 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4374 /* Permit move/copy from personal rooms */
4375 if ((CC->room.QRflags & QR_MAILBOX)
4376 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4378 /* Permit only copy from public to personal room */
4380 && (!(CC->room.QRflags & QR_MAILBOX))
4381 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4383 /* Permit message removal from collaborative delete rooms */
4384 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4386 /* Users allowed to post into the target room may move into it too. */
4387 if ((CC->room.QRflags & QR_MAILBOX) &&
4388 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4390 /* User must have access to target room */
4391 if (!(ra & UA_KNOWN)) permit = 0;
4394 cprintf("%d Higher access required.\n",
4395 ERROR + HIGHER_ACCESS_REQUIRED);
4400 * Build our message set to be moved/copied
4402 msgs = malloc(num_msgs * sizeof(long));
4403 for (i=0; i<num_msgs; ++i) {
4404 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4405 msgs[i] = atol(msgtok);
4411 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4413 cprintf("%d Cannot store message(s) in %s: error %d\n",
4419 /* Now delete the message from the source room,
4420 * if this is a 'move' rather than a 'copy' operation.
4423 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4427 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4433 * GetMetaData() - Get the supplementary record for a message
4435 void GetMetaData(struct MetaData *smibuf, long msgnum)
4438 struct cdbdata *cdbsmi;
4441 memset(smibuf, 0, sizeof(struct MetaData));
4442 smibuf->meta_msgnum = msgnum;
4443 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4445 /* Use the negative of the message number for its supp record index */
4446 TheIndex = (0L - msgnum);
4448 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4449 if (cdbsmi == NULL) {
4450 return; /* record not found; go with defaults */
4452 memcpy(smibuf, cdbsmi->ptr,
4453 ((cdbsmi->len > sizeof(struct MetaData)) ?
4454 sizeof(struct MetaData) : cdbsmi->len));
4461 * PutMetaData() - (re)write supplementary record for a message
4463 void PutMetaData(struct MetaData *smibuf)
4467 /* Use the negative of the message number for the metadata db index */
4468 TheIndex = (0L - smibuf->meta_msgnum);
4470 cdb_store(CDB_MSGMAIN,
4471 &TheIndex, (int)sizeof(long),
4472 smibuf, (int)sizeof(struct MetaData));
4477 * AdjRefCount - submit an adjustment to the reference count for a message.
4478 * (These are just queued -- we actually process them later.)
4480 void AdjRefCount(long msgnum, int incr)
4482 struct arcq new_arcq;
4485 CtdlLogPrintf(CTDL_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4489 begin_critical_section(S_SUPPMSGMAIN);
4490 if (arcfp == NULL) {
4491 arcfp = fopen(file_arcq, "ab+");
4493 end_critical_section(S_SUPPMSGMAIN);
4495 /* msgnum < 0 means that we're trying to close the file */
4497 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4498 begin_critical_section(S_SUPPMSGMAIN);
4499 if (arcfp != NULL) {
4503 end_critical_section(S_SUPPMSGMAIN);
4508 * If we can't open the queue, perform the operation synchronously.
4510 if (arcfp == NULL) {
4511 TDAP_AdjRefCount(msgnum, incr);
4515 new_arcq.arcq_msgnum = msgnum;
4516 new_arcq.arcq_delta = incr;
4517 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4525 * TDAP_ProcessAdjRefCountQueue()
4527 * Process the queue of message count adjustments that was created by calls
4528 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4529 * for each one. This should be an "off hours" operation.
4531 int TDAP_ProcessAdjRefCountQueue(void)
4533 char file_arcq_temp[PATH_MAX];
4536 struct arcq arcq_rec;
4537 int num_records_processed = 0;
4539 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4541 begin_critical_section(S_SUPPMSGMAIN);
4542 if (arcfp != NULL) {
4547 r = link(file_arcq, file_arcq_temp);
4549 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4550 end_critical_section(S_SUPPMSGMAIN);
4551 return(num_records_processed);
4555 end_critical_section(S_SUPPMSGMAIN);
4557 fp = fopen(file_arcq_temp, "rb");
4559 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4560 return(num_records_processed);
4563 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4564 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4565 ++num_records_processed;
4569 r = unlink(file_arcq_temp);
4571 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4574 return(num_records_processed);
4580 * TDAP_AdjRefCount - adjust the reference count for a message.
4581 * This one does it "for real" because it's called by
4582 * the autopurger function that processes the queue
4583 * created by AdjRefCount(). If a message's reference
4584 * count becomes zero, we also delete the message from
4585 * disk and de-index it.
4587 void TDAP_AdjRefCount(long msgnum, int incr)
4590 struct MetaData smi;
4593 /* This is a *tight* critical section; please keep it that way, as
4594 * it may get called while nested in other critical sections.
4595 * Complicating this any further will surely cause deadlock!
4597 begin_critical_section(S_SUPPMSGMAIN);
4598 GetMetaData(&smi, msgnum);
4599 smi.meta_refcount += incr;
4601 end_critical_section(S_SUPPMSGMAIN);
4602 CtdlLogPrintf(CTDL_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4603 msgnum, incr, smi.meta_refcount
4606 /* If the reference count is now zero, delete the message
4607 * (and its supplementary record as well).
4609 if (smi.meta_refcount == 0) {
4610 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4612 /* Call delete hooks with NULL room to show it has gone altogether */
4613 PerformDeleteHooks(NULL, msgnum);
4615 /* Remove from message base */
4617 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4618 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4620 /* Remove metadata record */
4621 delnum = (0L - msgnum);
4622 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4628 * Write a generic object to this room
4630 * Note: this could be much more efficient. Right now we use two temporary
4631 * files, and still pull the message into memory as with all others.
4633 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4634 char *content_type, /* MIME type of this object */
4635 char *raw_message, /* Data to be written */
4636 off_t raw_length, /* Size of raw_message */
4637 struct ctdluser *is_mailbox, /* Mailbox room? */
4638 int is_binary, /* Is encoding necessary? */
4639 int is_unique, /* Del others of this type? */
4640 unsigned int flags /* Internal save flags */
4644 struct ctdlroom qrbuf;
4645 char roomname[ROOMNAMELEN];
4646 struct CtdlMessage *msg;
4647 char *encoded_message = NULL;
4649 if (is_mailbox != NULL) {
4650 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4653 safestrncpy(roomname, req_room, sizeof(roomname));
4656 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4659 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4662 encoded_message = malloc((size_t)(raw_length + 4096));
4665 sprintf(encoded_message, "Content-type: %s\n", content_type);
4668 sprintf(&encoded_message[strlen(encoded_message)],
4669 "Content-transfer-encoding: base64\n\n"
4673 sprintf(&encoded_message[strlen(encoded_message)],
4674 "Content-transfer-encoding: 7bit\n\n"
4680 &encoded_message[strlen(encoded_message)],
4688 &encoded_message[strlen(encoded_message)],
4694 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4695 msg = malloc(sizeof(struct CtdlMessage));
4696 memset(msg, 0, sizeof(struct CtdlMessage));
4697 msg->cm_magic = CTDLMESSAGE_MAGIC;
4698 msg->cm_anon_type = MES_NORMAL;
4699 msg->cm_format_type = 4;
4700 msg->cm_fields['A'] = strdup(CC->user.fullname);
4701 msg->cm_fields['O'] = strdup(req_room);
4702 msg->cm_fields['N'] = strdup(config.c_nodename);
4703 msg->cm_fields['H'] = strdup(config.c_humannode);
4704 msg->cm_flags = flags;
4706 msg->cm_fields['M'] = encoded_message;
4708 /* Create the requested room if we have to. */
4709 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4710 CtdlCreateRoom(roomname,
4711 ( (is_mailbox != NULL) ? 5 : 3 ),
4712 "", 0, 1, 0, VIEW_BBS);
4714 /* If the caller specified this object as unique, delete all
4715 * other objects of this type that are currently in the room.
4718 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4719 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4722 /* Now write the data */
4723 CtdlSubmitMsg(msg, NULL, roomname, 0);
4724 CtdlFreeMessage(msg);
4732 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4733 config_msgnum = msgnum;
4737 char *CtdlGetSysConfig(char *sysconfname) {
4738 char hold_rm[ROOMNAMELEN];
4741 struct CtdlMessage *msg;
4744 strcpy(hold_rm, CC->room.QRname);
4745 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4746 CtdlGetRoom(&CC->room, hold_rm);
4751 /* We want the last (and probably only) config in this room */
4752 begin_critical_section(S_CONFIG);
4753 config_msgnum = (-1L);
4754 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4755 CtdlGetSysConfigBackend, NULL);
4756 msgnum = config_msgnum;
4757 end_critical_section(S_CONFIG);
4763 msg = CtdlFetchMessage(msgnum, 1);
4765 conf = strdup(msg->cm_fields['M']);
4766 CtdlFreeMessage(msg);
4773 CtdlGetRoom(&CC->room, hold_rm);
4775 if (conf != NULL) do {
4776 extract_token(buf, conf, 0, '\n', sizeof buf);
4777 strcpy(conf, &conf[strlen(buf)+1]);
4778 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4784 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4785 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4790 * Determine whether a given Internet address belongs to the current user
4792 int CtdlIsMe(char *addr, int addr_buf_len)
4794 struct recptypes *recp;
4797 recp = validate_recipients(addr, NULL, 0);
4798 if (recp == NULL) return(0);
4800 if (recp->num_local == 0) {
4801 free_recipients(recp);
4805 for (i=0; i<recp->num_local; ++i) {
4806 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4807 if (!strcasecmp(addr, CC->user.fullname)) {
4808 free_recipients(recp);
4813 free_recipients(recp);
4819 * Citadel protocol command to do the same
4821 void cmd_isme(char *argbuf) {
4824 if (CtdlAccessCheck(ac_logged_in)) return;
4825 extract_token(addr, argbuf, 0, '|', sizeof addr);
4827 if (CtdlIsMe(addr, sizeof addr)) {
4828 cprintf("%d %s\n", CIT_OK, addr);
4831 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
4837 /*****************************************************************************/
4838 /* MODULE INITIALIZATION STUFF */
4839 /*****************************************************************************/
4841 CTDL_MODULE_INIT(msgbase)
4844 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
4845 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
4846 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
4847 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
4848 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
4849 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
4850 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
4851 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
4852 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
4853 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
4854 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
4855 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
4858 /* return our Subversion id for the Log */