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'] = dmsgtext->ptr;
1174 dmsgtext->ptr = NULL;
1178 if (ret->cm_fields['M'] == NULL) {
1179 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1182 /* Perform "before read" hooks (aborting if any return nonzero) */
1183 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1184 CtdlFreeMessage(ret);
1193 * Returns 1 if the supplied pointer points to a valid Citadel message.
1194 * If the pointer is NULL or the magic number check fails, returns 0.
1196 int is_valid_message(struct CtdlMessage *msg) {
1199 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1200 CtdlLogPrintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1208 * 'Destructor' for struct CtdlMessage
1210 void CtdlFreeMessage(struct CtdlMessage *msg)
1214 if (is_valid_message(msg) == 0)
1216 if (msg != NULL) free (msg);
1220 for (i = 0; i < 256; ++i)
1221 if (msg->cm_fields[i] != NULL) {
1222 free(msg->cm_fields[i]);
1225 msg->cm_magic = 0; /* just in case */
1231 * Pre callback function for multipart/alternative
1233 * NOTE: this differs from the standard behavior for a reason. Normally when
1234 * displaying multipart/alternative you want to show the _last_ usable
1235 * format in the message. Here we show the _first_ one, because it's
1236 * usually text/plain. Since this set of functions is designed for text
1237 * output to non-MIME-aware clients, this is the desired behavior.
1240 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1241 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1242 char *cbid, void *cbuserdata)
1246 ma = (struct ma_info *)cbuserdata;
1247 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1248 if (!strcasecmp(cbtype, "multipart/alternative")) {
1252 if (!strcasecmp(cbtype, "message/rfc822")) {
1258 * Post callback function for multipart/alternative
1260 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1261 void *content, char *cbtype, char *cbcharset, size_t length,
1262 char *encoding, char *cbid, void *cbuserdata)
1266 ma = (struct ma_info *)cbuserdata;
1267 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1268 if (!strcasecmp(cbtype, "multipart/alternative")) {
1272 if (!strcasecmp(cbtype, "message/rfc822")) {
1278 * Inline callback function for mime parser that wants to display text
1280 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1281 void *content, char *cbtype, char *cbcharset, size_t length,
1282 char *encoding, char *cbid, void *cbuserdata)
1289 ma = (struct ma_info *)cbuserdata;
1291 CtdlLogPrintf(CTDL_DEBUG,
1292 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1293 partnum, filename, cbtype, (long)length);
1296 * If we're in the middle of a multipart/alternative scope and
1297 * we've already printed another section, skip this one.
1299 if ( (ma->is_ma) && (ma->did_print) ) {
1300 CtdlLogPrintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1305 if ( (!strcasecmp(cbtype, "text/plain"))
1306 || (IsEmptyStr(cbtype)) ) {
1309 client_write(wptr, length);
1310 if (wptr[length-1] != '\n') {
1317 if (!strcasecmp(cbtype, "text/html")) {
1318 ptr = html_to_ascii(content, length, 80, 0);
1320 client_write(ptr, wlen);
1321 if (ptr[wlen-1] != '\n') {
1328 if (ma->use_fo_hooks) {
1329 if (PerformFixedOutputHooks(cbtype, content, length)) {
1330 /* above function returns nonzero if it handled the part */
1335 if (strncasecmp(cbtype, "multipart/", 10)) {
1336 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1337 partnum, filename, cbtype, (long)length);
1343 * The client is elegant and sophisticated and wants to be choosy about
1344 * MIME content types, so figure out which multipart/alternative part
1345 * we're going to send.
1347 * We use a system of weights. When we find a part that matches one of the
1348 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1349 * and then set ma->chosen_pref to that MIME type's position in our preference
1350 * list. If we then hit another match, we only replace the first match if
1351 * the preference value is lower.
1353 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1354 void *content, char *cbtype, char *cbcharset, size_t length,
1355 char *encoding, char *cbid, void *cbuserdata)
1361 ma = (struct ma_info *)cbuserdata;
1363 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1364 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1365 // I don't know if there are any side effects! Please TEST TEST TEST
1366 //if (ma->is_ma > 0) {
1368 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1369 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1370 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1371 if (i < ma->chosen_pref) {
1372 CtdlLogPrintf(CTDL_DEBUG, "Setting chosen part: <%s>\n", partnum);
1373 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1374 ma->chosen_pref = i;
1381 * Now that we've chosen our preferred part, output it.
1383 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1384 void *content, char *cbtype, char *cbcharset, size_t length,
1385 char *encoding, char *cbid, void *cbuserdata)
1389 int add_newline = 0;
1393 ma = (struct ma_info *)cbuserdata;
1395 /* This is not the MIME part you're looking for... */
1396 if (strcasecmp(partnum, ma->chosen_part)) return;
1398 /* If the content-type of this part is in our preferred formats
1399 * list, we can simply output it verbatim.
1401 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1402 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1403 if (!strcasecmp(buf, cbtype)) {
1404 /* Yeah! Go! W00t!! */
1406 text_content = (char *)content;
1407 if (text_content[length-1] != '\n') {
1410 cprintf("Content-type: %s", cbtype);
1411 if (!IsEmptyStr(cbcharset)) {
1412 cprintf("; charset=%s", cbcharset);
1414 cprintf("\nContent-length: %d\n",
1415 (int)(length + add_newline) );
1416 if (!IsEmptyStr(encoding)) {
1417 cprintf("Content-transfer-encoding: %s\n", encoding);
1420 cprintf("Content-transfer-encoding: 7bit\n");
1422 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1424 client_write(content, length);
1425 if (add_newline) cprintf("\n");
1430 /* No translations required or possible: output as text/plain */
1431 cprintf("Content-type: text/plain\n\n");
1432 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1433 length, encoding, cbid, cbuserdata);
1438 char desired_section[64];
1445 * Callback function for
1447 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1448 void *content, char *cbtype, char *cbcharset, size_t length,
1449 char *encoding, char *cbid, void *cbuserdata)
1451 struct encapmsg *encap;
1453 encap = (struct encapmsg *)cbuserdata;
1455 /* Only proceed if this is the desired section... */
1456 if (!strcasecmp(encap->desired_section, partnum)) {
1457 encap->msglen = length;
1458 encap->msg = malloc(length + 2);
1459 memcpy(encap->msg, content, length);
1470 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1471 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1472 return(om_not_logged_in);
1479 * Get a message off disk. (returns om_* values found in msgbase.h)
1482 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1483 int mode, /* how would you like that message? */
1484 int headers_only, /* eschew the message body? */
1485 int do_proto, /* do Citadel protocol responses? */
1486 int crlf, /* Use CRLF newlines instead of LF? */
1487 char *section, /* NULL or a message/rfc822 section */
1488 int flags /* various flags; see msgbase.h */
1490 struct CtdlMessage *TheMessage = NULL;
1491 int retcode = om_no_such_msg;
1492 struct encapmsg encap;
1495 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1497 (section ? section : "<>")
1500 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1503 if (r == om_not_logged_in) {
1504 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1507 cprintf("%d An unknown error has occurred.\n", ERROR);
1513 /* FIXME: check message id against msglist for this room */
1516 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1517 * request that we don't even bother loading the body into memory.
1519 if (headers_only == HEADERS_FAST) {
1520 TheMessage = CtdlFetchMessage(msg_num, 0);
1523 TheMessage = CtdlFetchMessage(msg_num, 1);
1526 if (TheMessage == NULL) {
1527 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1528 ERROR + MESSAGE_NOT_FOUND, msg_num);
1529 return(om_no_such_msg);
1532 /* Here is the weird form of this command, to process only an
1533 * encapsulated message/rfc822 section.
1535 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1536 memset(&encap, 0, sizeof encap);
1537 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1538 mime_parser(TheMessage->cm_fields['M'],
1540 *extract_encapsulated_message,
1541 NULL, NULL, (void *)&encap, 0
1543 CtdlFreeMessage(TheMessage);
1547 encap.msg[encap.msglen] = 0;
1548 TheMessage = convert_internet_message(encap.msg);
1549 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1551 /* Now we let it fall through to the bottom of this
1552 * function, because TheMessage now contains the
1553 * encapsulated message instead of the top-level
1554 * message. Isn't that neat?
1559 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1560 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1561 retcode = om_no_such_msg;
1566 /* Ok, output the message now */
1567 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1568 CtdlFreeMessage(TheMessage);
1574 char *qp_encode_email_addrs(char *source)
1576 char *user, *node, *name;
1577 const char headerStr[] = "=?UTF-8?Q?";
1581 int need_to_encode = 0;
1587 long nAddrPtrMax = 50;
1592 if (source == NULL) return source;
1593 if (IsEmptyStr(source)) return source;
1595 CtdlLogPrintf(CTDL_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1597 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1598 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1599 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1602 while (!IsEmptyStr (&source[i])) {
1603 if (nColons >= nAddrPtrMax){
1606 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1607 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1608 free (AddrPtr), AddrPtr = ptr;
1610 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1611 memset(&ptr[nAddrPtrMax], 0,
1612 sizeof (long) * nAddrPtrMax);
1614 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1615 free (AddrUtf8), AddrUtf8 = ptr;
1618 if (((unsigned char) source[i] < 32) ||
1619 ((unsigned char) source[i] > 126)) {
1621 AddrUtf8[nColons] = 1;
1623 if (source[i] == '"')
1624 InQuotes = !InQuotes;
1625 if (!InQuotes && source[i] == ',') {
1626 AddrPtr[nColons] = i;
1631 if (need_to_encode == 0) {
1638 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1639 Encoded = (char*) malloc (EncodedMaxLen);
1641 for (i = 0; i < nColons; i++)
1642 source[AddrPtr[i]++] = '\0';
1643 /* TODO: if libidn, this might get larger*/
1644 user = malloc(SourceLen + 1);
1645 node = malloc(SourceLen + 1);
1646 name = malloc(SourceLen + 1);
1650 for (i = 0; i < nColons && nPtr != NULL; i++) {
1651 nmax = EncodedMaxLen - (nPtr - Encoded);
1653 process_rfc822_addr(&source[AddrPtr[i]],
1657 /* TODO: libIDN here ! */
1658 if (IsEmptyStr(name)) {
1659 n = snprintf(nPtr, nmax,
1660 (i==0)?"%s@%s" : ",%s@%s",
1664 EncodedName = rfc2047encode(name, strlen(name));
1665 n = snprintf(nPtr, nmax,
1666 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1667 EncodedName, user, node);
1672 n = snprintf(nPtr, nmax,
1673 (i==0)?"%s" : ",%s",
1674 &source[AddrPtr[i]]);
1680 ptr = (char*) malloc(EncodedMaxLen * 2);
1681 memcpy(ptr, Encoded, EncodedMaxLen);
1682 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1683 free(Encoded), Encoded = ptr;
1685 i--; /* do it once more with properly lengthened buffer */
1688 for (i = 0; i < nColons; i++)
1689 source[--AddrPtr[i]] = ',';
1700 /* If the last item in a list of recipients was truncated to a partial address,
1701 * remove it completely in order to avoid choking libSieve
1703 void sanitize_truncated_recipient(char *str)
1706 if (num_tokens(str, ',') < 2) return;
1708 int len = strlen(str);
1709 if (len < 900) return;
1710 if (len > 998) str[998] = 0;
1712 char *cptr = strrchr(str, ',');
1715 char *lptr = strchr(cptr, '<');
1716 char *rptr = strchr(cptr, '>');
1718 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1726 * Get a message off disk. (returns om_* values found in msgbase.h)
1728 int CtdlOutputPreLoadedMsg(
1729 struct CtdlMessage *TheMessage,
1730 int mode, /* how would you like that message? */
1731 int headers_only, /* eschew the message body? */
1732 int do_proto, /* do Citadel protocol responses? */
1733 int crlf, /* Use CRLF newlines instead of LF? */
1734 int flags /* should the bessage be exported clean? */
1738 cit_uint8_t ch, prev_ch;
1740 char display_name[256];
1742 const char *nl; /* newline string */
1744 int subject_found = 0;
1747 /* Buffers needed for RFC822 translation. These are all filled
1748 * using functions that are bounds-checked, and therefore we can
1749 * make them substantially smaller than SIZ.
1756 char datestamp[100];
1758 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1759 ((TheMessage == NULL) ? "NULL" : "not null"),
1760 mode, headers_only, do_proto, crlf);
1762 strcpy(mid, "unknown");
1763 nl = (crlf ? "\r\n" : "\n");
1765 if (!is_valid_message(TheMessage)) {
1766 CtdlLogPrintf(CTDL_ERR,
1767 "ERROR: invalid preloaded message for output\n");
1769 return(om_no_such_msg);
1772 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
1773 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
1775 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
1776 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
1779 /* Are we downloading a MIME component? */
1780 if (mode == MT_DOWNLOAD) {
1781 if (TheMessage->cm_format_type != FMT_RFC822) {
1783 cprintf("%d This is not a MIME message.\n",
1784 ERROR + ILLEGAL_VALUE);
1785 } else if (CC->download_fp != NULL) {
1786 if (do_proto) cprintf(
1787 "%d You already have a download open.\n",
1788 ERROR + RESOURCE_BUSY);
1790 /* Parse the message text component */
1791 mptr = TheMessage->cm_fields['M'];
1792 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1793 /* If there's no file open by this time, the requested
1794 * section wasn't found, so print an error
1796 if (CC->download_fp == NULL) {
1797 if (do_proto) cprintf(
1798 "%d Section %s not found.\n",
1799 ERROR + FILE_NOT_FOUND,
1800 CC->download_desired_section);
1803 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1806 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1807 * in a single server operation instead of opening a download file.
1809 if (mode == MT_SPEW_SECTION) {
1810 if (TheMessage->cm_format_type != FMT_RFC822) {
1812 cprintf("%d This is not a MIME message.\n",
1813 ERROR + ILLEGAL_VALUE);
1815 /* Parse the message text component */
1818 mptr = TheMessage->cm_fields['M'];
1819 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1820 /* If section wasn't found, print an error
1823 if (do_proto) cprintf(
1824 "%d Section %s not found.\n",
1825 ERROR + FILE_NOT_FOUND,
1826 CC->download_desired_section);
1829 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1832 /* now for the user-mode message reading loops */
1833 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1835 /* Does the caller want to skip the headers? */
1836 if (headers_only == HEADERS_NONE) goto START_TEXT;
1838 /* Tell the client which format type we're using. */
1839 if ( (mode == MT_CITADEL) && (do_proto) ) {
1840 cprintf("type=%d\n", TheMessage->cm_format_type);
1843 /* nhdr=yes means that we're only displaying headers, no body */
1844 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1845 && ((mode == MT_CITADEL) || (mode == MT_MIME))
1848 cprintf("nhdr=yes\n");
1851 /* begin header processing loop for Citadel message format */
1853 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1855 safestrncpy(display_name, "<unknown>", sizeof display_name);
1856 if (TheMessage->cm_fields['A']) {
1857 strcpy(buf, TheMessage->cm_fields['A']);
1858 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1859 safestrncpy(display_name, "****", sizeof display_name);
1861 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1862 safestrncpy(display_name, "anonymous", sizeof display_name);
1865 safestrncpy(display_name, buf, sizeof display_name);
1867 if ((is_room_aide())
1868 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1869 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1870 size_t tmp = strlen(display_name);
1871 snprintf(&display_name[tmp],
1872 sizeof display_name - tmp,
1877 /* Don't show Internet address for users on the
1878 * local Citadel network.
1881 if (TheMessage->cm_fields['N'] != NULL)
1882 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1883 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1887 /* Now spew the header fields in the order we like them. */
1888 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1889 for (i=0; i<n; ++i) {
1890 k = (int) allkeys[i];
1892 if ( (TheMessage->cm_fields[k] != NULL)
1893 && (msgkeys[k] != NULL) ) {
1894 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1895 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1898 if (do_proto) cprintf("%s=%s\n",
1902 else if ((k == 'F') && (suppress_f)) {
1905 /* Masquerade display name if needed */
1907 if (do_proto) cprintf("%s=%s\n",
1909 TheMessage->cm_fields[k]
1918 /* begin header processing loop for RFC822 transfer format */
1923 strcpy(snode, NODENAME);
1924 if (mode == MT_RFC822) {
1925 for (i = 0; i < 256; ++i) {
1926 if (TheMessage->cm_fields[i]) {
1927 mptr = mpptr = TheMessage->cm_fields[i];
1930 safestrncpy(luser, mptr, sizeof luser);
1931 safestrncpy(suser, mptr, sizeof suser);
1933 else if (i == 'Y') {
1934 if ((flags & QP_EADDR) != 0) {
1935 mptr = qp_encode_email_addrs(mptr);
1937 sanitize_truncated_recipient(mptr);
1938 cprintf("CC: %s%s", mptr, nl);
1940 else if (i == 'P') {
1941 cprintf("Return-Path: %s%s", mptr, nl);
1943 else if (i == 'L') {
1944 cprintf("List-ID: %s%s", mptr, nl);
1946 else if (i == 'V') {
1947 if ((flags & QP_EADDR) != 0)
1948 mptr = qp_encode_email_addrs(mptr);
1949 cprintf("Envelope-To: %s%s", mptr, nl);
1951 else if (i == 'U') {
1952 cprintf("Subject: %s%s", mptr, nl);
1956 safestrncpy(mid, mptr, sizeof mid);
1958 safestrncpy(fuser, mptr, sizeof fuser);
1959 /* else if (i == 'O')
1960 cprintf("X-Citadel-Room: %s%s",
1963 safestrncpy(snode, mptr, sizeof snode);
1966 if (haschar(mptr, '@') == 0)
1968 sanitize_truncated_recipient(mptr);
1969 cprintf("To: %s@%s", mptr, config.c_fqdn);
1974 if ((flags & QP_EADDR) != 0) {
1975 mptr = qp_encode_email_addrs(mptr);
1977 sanitize_truncated_recipient(mptr);
1978 cprintf("To: %s", mptr);
1982 else if (i == 'T') {
1983 datestring(datestamp, sizeof datestamp,
1984 atol(mptr), DATESTRING_RFC822);
1985 cprintf("Date: %s%s", datestamp, nl);
1987 else if (i == 'W') {
1988 cprintf("References: ");
1989 k = num_tokens(mptr, '|');
1990 for (j=0; j<k; ++j) {
1991 extract_token(buf, mptr, j, '|', sizeof buf);
1992 cprintf("<%s>", buf);
2005 if (subject_found == 0) {
2006 cprintf("Subject: (no subject)%s", nl);
2010 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2011 suser[i] = tolower(suser[i]);
2012 if (!isalnum(suser[i])) suser[i]='_';
2015 if (mode == MT_RFC822) {
2016 if (!strcasecmp(snode, NODENAME)) {
2017 safestrncpy(snode, FQDN, sizeof snode);
2020 /* Construct a fun message id */
2021 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2022 if (strchr(mid, '@')==NULL) {
2023 cprintf("@%s", snode);
2027 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2028 cprintf("From: \"----\" <x@x.org>%s", nl);
2030 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2031 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2033 else if (!IsEmptyStr(fuser)) {
2034 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2037 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2040 /* Blank line signifying RFC822 end-of-headers */
2041 if (TheMessage->cm_format_type != FMT_RFC822) {
2046 /* end header processing loop ... at this point, we're in the text */
2048 if (headers_only == HEADERS_FAST) goto DONE;
2049 mptr = TheMessage->cm_fields['M'];
2051 /* Tell the client about the MIME parts in this message */
2052 if (TheMessage->cm_format_type == FMT_RFC822) {
2053 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2054 memset(&ma, 0, sizeof(struct ma_info));
2055 mime_parser(mptr, NULL,
2056 (do_proto ? *list_this_part : NULL),
2057 (do_proto ? *list_this_pref : NULL),
2058 (do_proto ? *list_this_suff : NULL),
2061 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2063 const char *StartOfText = StrBufNOTNULL;
2067 int nllen = strlen(nl);
2069 while (*mptr != '\0') {
2070 if (*mptr == '\r') {
2077 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2079 eoh = *(mptr+1) == '\n';
2083 StartOfText = strchr(StartOfText, '\n');
2084 StartOfText = strchr(StartOfText, '\n');
2087 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2088 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2089 ((headers_only != HEADERS_NONE) &&
2090 (headers_only != HEADERS_ONLY))
2092 if (*mptr == '\n') {
2093 memcpy(&outbuf[outlen], nl, nllen);
2095 outbuf[outlen] = '\0';
2098 outbuf[outlen++] = *mptr;
2102 if (flags & ESC_DOT)
2104 if ((prev_ch == '\n') &&
2106 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2108 outbuf[outlen++] = '.';
2113 if (outlen > 1000) {
2114 client_write(outbuf, outlen);
2119 client_write(outbuf, outlen);
2127 if (headers_only == HEADERS_ONLY) {
2131 /* signify start of msg text */
2132 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2133 if (do_proto) cprintf("text\n");
2136 /* If the format type on disk is 1 (fixed-format), then we want
2137 * everything to be output completely literally ... regardless of
2138 * what message transfer format is in use.
2140 if (TheMessage->cm_format_type == FMT_FIXED) {
2143 int nllen = strlen (nl);
2144 if (mode == MT_MIME) {
2145 cprintf("Content-type: text/plain\n\n");
2149 while (ch = *mptr++, ch > 0) {
2153 if ((buflen > 250) && (!xlline)){
2157 while ((buflen > 0) &&
2158 (!isspace(buf[buflen])))
2164 mptr -= tbuflen - buflen;
2169 /* if we reach the outer bounds of our buffer,
2170 abort without respect what whe purge. */
2173 (buflen > SIZ - nllen - 2)))
2177 memcpy (&buf[buflen], nl, nllen);
2181 client_write(buf, buflen);
2191 if (!IsEmptyStr(buf))
2192 cprintf("%s%s", buf, nl);
2195 /* If the message on disk is format 0 (Citadel vari-format), we
2196 * output using the formatter at 80 columns. This is the final output
2197 * form if the transfer format is RFC822, but if the transfer format
2198 * is Citadel proprietary, it'll still work, because the indentation
2199 * for new paragraphs is correct and the client will reformat the
2200 * message to the reader's screen width.
2202 if (TheMessage->cm_format_type == FMT_CITADEL) {
2203 if (mode == MT_MIME) {
2204 cprintf("Content-type: text/x-citadel-variformat\n\n");
2209 /* If the message on disk is format 4 (MIME), we've gotta hand it
2210 * off to the MIME parser. The client has already been told that
2211 * this message is format 1 (fixed format), so the callback function
2212 * we use will display those parts as-is.
2214 if (TheMessage->cm_format_type == FMT_RFC822) {
2215 memset(&ma, 0, sizeof(struct ma_info));
2217 if (mode == MT_MIME) {
2218 ma.use_fo_hooks = 0;
2219 strcpy(ma.chosen_part, "1");
2220 ma.chosen_pref = 9999;
2221 mime_parser(mptr, NULL,
2222 *choose_preferred, *fixed_output_pre,
2223 *fixed_output_post, (void *)&ma, 0);
2224 mime_parser(mptr, NULL,
2225 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2228 ma.use_fo_hooks = 1;
2229 mime_parser(mptr, NULL,
2230 *fixed_output, *fixed_output_pre,
2231 *fixed_output_post, (void *)&ma, 0);
2236 DONE: /* now we're done */
2237 if (do_proto) cprintf("000\n");
2243 * display a message (mode 0 - Citadel proprietary)
2245 void cmd_msg0(char *cmdbuf)
2248 int headers_only = HEADERS_ALL;
2250 msgid = extract_long(cmdbuf, 0);
2251 headers_only = extract_int(cmdbuf, 1);
2253 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2259 * display a message (mode 2 - RFC822)
2261 void cmd_msg2(char *cmdbuf)
2264 int headers_only = HEADERS_ALL;
2266 msgid = extract_long(cmdbuf, 0);
2267 headers_only = extract_int(cmdbuf, 1);
2269 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2275 * display a message (mode 3 - IGnet raw format - internal programs only)
2277 void cmd_msg3(char *cmdbuf)
2280 struct CtdlMessage *msg = NULL;
2283 if (CC->internal_pgm == 0) {
2284 cprintf("%d This command is for internal programs only.\n",
2285 ERROR + HIGHER_ACCESS_REQUIRED);
2289 msgnum = extract_long(cmdbuf, 0);
2290 msg = CtdlFetchMessage(msgnum, 1);
2292 cprintf("%d Message %ld not found.\n",
2293 ERROR + MESSAGE_NOT_FOUND, msgnum);
2297 serialize_message(&smr, msg);
2298 CtdlFreeMessage(msg);
2301 cprintf("%d Unable to serialize message\n",
2302 ERROR + INTERNAL_ERROR);
2306 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2307 client_write((char *)smr.ser, (int)smr.len);
2314 * Display a message using MIME content types
2316 void cmd_msg4(char *cmdbuf)
2321 msgid = extract_long(cmdbuf, 0);
2322 extract_token(section, cmdbuf, 1, '|', sizeof section);
2323 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2329 * Client tells us its preferred message format(s)
2331 void cmd_msgp(char *cmdbuf)
2333 if (!strcasecmp(cmdbuf, "dont_decode")) {
2334 CC->msg4_dont_decode = 1;
2335 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2338 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2339 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2345 * Open a component of a MIME message as a download file
2347 void cmd_opna(char *cmdbuf)
2350 char desired_section[128];
2352 msgid = extract_long(cmdbuf, 0);
2353 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2354 safestrncpy(CC->download_desired_section, desired_section,
2355 sizeof CC->download_desired_section);
2356 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2361 * Open a component of a MIME message and transmit it all at once
2363 void cmd_dlat(char *cmdbuf)
2366 char desired_section[128];
2368 msgid = extract_long(cmdbuf, 0);
2369 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2370 safestrncpy(CC->download_desired_section, desired_section,
2371 sizeof CC->download_desired_section);
2372 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2377 * Save one or more message pointers into a specified room
2378 * (Returns 0 for success, nonzero for failure)
2379 * roomname may be NULL to use the current room
2381 * Note that the 'supplied_msg' field may be set to NULL, in which case
2382 * the message will be fetched from disk, by number, if we need to perform
2383 * replication checks. This adds an additional database read, so if the
2384 * caller already has the message in memory then it should be supplied. (Obviously
2385 * this mode of operation only works if we're saving a single message.)
2387 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2388 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2391 char hold_rm[ROOMNAMELEN];
2392 struct cdbdata *cdbfr;
2395 long highest_msg = 0L;
2398 struct CtdlMessage *msg = NULL;
2400 long *msgs_to_be_merged = NULL;
2401 int num_msgs_to_be_merged = 0;
2403 CtdlLogPrintf(CTDL_DEBUG,
2404 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2405 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2408 strcpy(hold_rm, CC->room.QRname);
2411 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2412 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2413 if (num_newmsgs > 1) supplied_msg = NULL;
2415 /* Now the regular stuff */
2416 if (CtdlGetRoomLock(&CC->room,
2417 ((roomname != NULL) ? roomname : CC->room.QRname) )
2419 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2420 return(ERROR + ROOM_NOT_FOUND);
2424 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2425 num_msgs_to_be_merged = 0;
2428 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2429 if (cdbfr == NULL) {
2433 msglist = (long *) cdbfr->ptr;
2434 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2435 num_msgs = cdbfr->len / sizeof(long);
2440 /* Create a list of msgid's which were supplied by the caller, but do
2441 * not already exist in the target room. It is absolutely taboo to
2442 * have more than one reference to the same message in a room.
2444 for (i=0; i<num_newmsgs; ++i) {
2446 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2447 if (msglist[j] == newmsgidlist[i]) {
2452 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2456 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2459 * Now merge the new messages
2461 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2462 if (msglist == NULL) {
2463 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2465 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2466 num_msgs += num_msgs_to_be_merged;
2468 /* Sort the message list, so all the msgid's are in order */
2469 num_msgs = sort_msglist(msglist, num_msgs);
2471 /* Determine the highest message number */
2472 highest_msg = msglist[num_msgs - 1];
2474 /* Write it back to disk. */
2475 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2476 msglist, (int)(num_msgs * sizeof(long)));
2478 /* Free up the memory we used. */
2481 /* Update the highest-message pointer and unlock the room. */
2482 CC->room.QRhighest = highest_msg;
2483 CtdlPutRoomLock(&CC->room);
2485 /* Perform replication checks if necessary */
2486 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2487 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2489 for (i=0; i<num_msgs_to_be_merged; ++i) {
2490 msgid = msgs_to_be_merged[i];
2492 if (supplied_msg != NULL) {
2496 msg = CtdlFetchMessage(msgid, 0);
2500 ReplicationChecks(msg);
2502 /* If the message has an Exclusive ID, index that... */
2503 if (msg->cm_fields['E'] != NULL) {
2504 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2507 /* Free up the memory we may have allocated */
2508 if (msg != supplied_msg) {
2509 CtdlFreeMessage(msg);
2517 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2520 /* Submit this room for processing by hooks */
2521 PerformRoomHooks(&CC->room);
2523 /* Go back to the room we were in before we wandered here... */
2524 CtdlGetRoom(&CC->room, hold_rm);
2526 /* Bump the reference count for all messages which were merged */
2527 if (!suppress_refcount_adj) {
2528 for (i=0; i<num_msgs_to_be_merged; ++i) {
2529 AdjRefCount(msgs_to_be_merged[i], +1);
2533 /* Free up memory... */
2534 if (msgs_to_be_merged != NULL) {
2535 free(msgs_to_be_merged);
2538 /* Return success. */
2544 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2547 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2548 int do_repl_check, struct CtdlMessage *supplied_msg)
2550 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2557 * Message base operation to save a new message to the message store
2558 * (returns new message number)
2560 * This is the back end for CtdlSubmitMsg() and should not be directly
2561 * called by server-side modules.
2564 long send_message(struct CtdlMessage *msg) {
2572 /* Get a new message number */
2573 newmsgid = get_new_message_number();
2574 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2576 /* Generate an ID if we don't have one already */
2577 if (msg->cm_fields['I']==NULL) {
2578 msg->cm_fields['I'] = strdup(msgidbuf);
2581 /* If the message is big, set its body aside for storage elsewhere */
2582 if (msg->cm_fields['M'] != NULL) {
2583 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2585 holdM = msg->cm_fields['M'];
2586 msg->cm_fields['M'] = NULL;
2590 /* Serialize our data structure for storage in the database */
2591 serialize_message(&smr, msg);
2594 msg->cm_fields['M'] = holdM;
2598 cprintf("%d Unable to serialize message\n",
2599 ERROR + INTERNAL_ERROR);
2603 /* Write our little bundle of joy into the message base */
2604 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2605 smr.ser, smr.len) < 0) {
2606 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2610 cdb_store(CDB_BIGMSGS,
2620 /* Free the memory we used for the serialized message */
2623 /* Return the *local* message ID to the caller
2624 * (even if we're storing an incoming network message)
2632 * Serialize a struct CtdlMessage into the format used on disk and network.
2634 * This function loads up a "struct ser_ret" (defined in server.h) which
2635 * contains the length of the serialized message and a pointer to the
2636 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2638 void serialize_message(struct ser_ret *ret, /* return values */
2639 struct CtdlMessage *msg) /* unserialized msg */
2641 size_t wlen, fieldlen;
2643 static char *forder = FORDER;
2646 * Check for valid message format
2648 if (is_valid_message(msg) == 0) {
2649 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2656 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2657 ret->len = ret->len +
2658 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2660 ret->ser = malloc(ret->len);
2661 if (ret->ser == NULL) {
2662 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2663 (long)ret->len, strerror(errno));
2670 ret->ser[1] = msg->cm_anon_type;
2671 ret->ser[2] = msg->cm_format_type;
2674 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2675 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2676 ret->ser[wlen++] = (char)forder[i];
2677 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2678 wlen = wlen + fieldlen + 1;
2680 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2681 (long)ret->len, (long)wlen);
2688 * Serialize a struct CtdlMessage into the format used on disk and network.
2690 * This function loads up a "struct ser_ret" (defined in server.h) which
2691 * contains the length of the serialized message and a pointer to the
2692 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2694 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2695 long Siz) /* how many chars ? */
2699 static char *forder = FORDER;
2703 * Check for valid message format
2705 if (is_valid_message(msg) == 0) {
2706 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2710 buf = (char*) malloc (Siz + 1);
2714 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2715 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2716 msg->cm_fields[(int)forder[i]]);
2717 client_write (buf, strlen(buf));
2726 * Check to see if any messages already exist in the current room which
2727 * carry the same Exclusive ID as this one. If any are found, delete them.
2729 void ReplicationChecks(struct CtdlMessage *msg) {
2730 long old_msgnum = (-1L);
2732 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2734 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2737 /* No exclusive id? Don't do anything. */
2738 if (msg == NULL) return;
2739 if (msg->cm_fields['E'] == NULL) return;
2740 if (IsEmptyStr(msg->cm_fields['E'])) return;
2741 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2742 msg->cm_fields['E'], CC->room.QRname);*/
2744 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2745 if (old_msgnum > 0L) {
2746 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2747 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2754 * Save a message to disk and submit it into the delivery system.
2756 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2757 struct recptypes *recps, /* recipients (if mail) */
2758 char *force, /* force a particular room? */
2759 int flags /* should the message be exported clean? */
2761 char submit_filename[128];
2762 char generated_timestamp[32];
2763 char hold_rm[ROOMNAMELEN];
2764 char actual_rm[ROOMNAMELEN];
2765 char force_room[ROOMNAMELEN];
2766 char content_type[SIZ]; /* We have to learn this */
2767 char recipient[SIZ];
2769 const char *mptr = NULL;
2770 struct ctdluser userbuf;
2772 struct MetaData smi;
2773 FILE *network_fp = NULL;
2774 static int seqnum = 1;
2775 struct CtdlMessage *imsg = NULL;
2777 size_t instr_alloc = 0;
2779 char *hold_R, *hold_D;
2780 char *collected_addresses = NULL;
2781 struct addresses_to_be_filed *aptr = NULL;
2782 StrBuf *saved_rfc822_version = NULL;
2783 int qualified_for_journaling = 0;
2784 CitContext *CCC = CC; /* CachedCitContext - performance boost */
2785 char bounce_to[1024] = "";
2789 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2790 if (is_valid_message(msg) == 0) return(-1); /* self check */
2792 /* If this message has no timestamp, we take the liberty of
2793 * giving it one, right now.
2795 if (msg->cm_fields['T'] == NULL) {
2796 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2797 msg->cm_fields['T'] = strdup(generated_timestamp);
2800 /* If this message has no path, we generate one.
2802 if (msg->cm_fields['P'] == NULL) {
2803 if (msg->cm_fields['A'] != NULL) {
2804 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2805 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2806 if (isspace(msg->cm_fields['P'][a])) {
2807 msg->cm_fields['P'][a] = ' ';
2812 msg->cm_fields['P'] = strdup("unknown");
2816 if (force == NULL) {
2817 strcpy(force_room, "");
2820 strcpy(force_room, force);
2823 /* Learn about what's inside, because it's what's inside that counts */
2824 if (msg->cm_fields['M'] == NULL) {
2825 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2829 switch (msg->cm_format_type) {
2831 strcpy(content_type, "text/x-citadel-variformat");
2834 strcpy(content_type, "text/plain");
2837 strcpy(content_type, "text/plain");
2838 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2841 safestrncpy(content_type, &mptr[13], sizeof content_type);
2842 striplt(content_type);
2843 aptr = content_type;
2844 while (!IsEmptyStr(aptr)) {
2856 /* Goto the correct room */
2857 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2858 strcpy(hold_rm, CCC->room.QRname);
2859 strcpy(actual_rm, CCC->room.QRname);
2860 if (recps != NULL) {
2861 strcpy(actual_rm, SENTITEMS);
2864 /* If the user is a twit, move to the twit room for posting */
2866 if (CCC->user.axlevel == AxProbU) {
2867 strcpy(hold_rm, actual_rm);
2868 strcpy(actual_rm, config.c_twitroom);
2869 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2873 /* ...or if this message is destined for Aide> then go there. */
2874 if (!IsEmptyStr(force_room)) {
2875 strcpy(actual_rm, force_room);
2878 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2879 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2880 /* CtdlGetRoom(&CCC->room, actual_rm); */
2881 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
2885 * If this message has no O (room) field, generate one.
2887 if (msg->cm_fields['O'] == NULL) {
2888 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2891 /* Perform "before save" hooks (aborting if any return nonzero) */
2892 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2893 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2896 * If this message has an Exclusive ID, and the room is replication
2897 * checking enabled, then do replication checks.
2899 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2900 ReplicationChecks(msg);
2903 /* Save it to disk */
2904 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2905 newmsgid = send_message(msg);
2906 if (newmsgid <= 0L) return(-5);
2908 /* Write a supplemental message info record. This doesn't have to
2909 * be a critical section because nobody else knows about this message
2912 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2913 memset(&smi, 0, sizeof(struct MetaData));
2914 smi.meta_msgnum = newmsgid;
2915 smi.meta_refcount = 0;
2916 safestrncpy(smi.meta_content_type, content_type,
2917 sizeof smi.meta_content_type);
2920 * Measure how big this message will be when rendered as RFC822.
2921 * We do this for two reasons:
2922 * 1. We need the RFC822 length for the new metadata record, so the
2923 * POP and IMAP services don't have to calculate message lengths
2924 * while the user is waiting (multiplied by potentially hundreds
2925 * or thousands of messages).
2926 * 2. If journaling is enabled, we will need an RFC822 version of the
2927 * message to attach to the journalized copy.
2929 if (CCC->redirect_buffer != NULL) {
2930 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2933 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
2934 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2935 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
2936 saved_rfc822_version = CCC->redirect_buffer;
2937 CCC->redirect_buffer = NULL;
2941 /* Now figure out where to store the pointers */
2942 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2944 /* If this is being done by the networker delivering a private
2945 * message, we want to BYPASS saving the sender's copy (because there
2946 * is no local sender; it would otherwise go to the Trashcan).
2948 if ((!CCC->internal_pgm) || (recps == NULL)) {
2949 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2950 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2951 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2955 /* For internet mail, drop a copy in the outbound queue room */
2956 if ((recps != NULL) && (recps->num_internet > 0)) {
2957 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2960 /* If other rooms are specified, drop them there too. */
2961 if ((recps != NULL) && (recps->num_room > 0))
2962 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2963 extract_token(recipient, recps->recp_room, i,
2964 '|', sizeof recipient);
2965 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2966 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2969 /* Bump this user's messages posted counter. */
2970 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2971 CtdlGetUserLock(&CCC->user, CCC->curr_user);
2972 CCC->user.posted = CCC->user.posted + 1;
2973 CtdlPutUserLock(&CCC->user);
2975 /* Decide where bounces need to be delivered */
2976 if ((recps != NULL) && (recps->bounce_to != NULL)) {
2977 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
2979 else if (CCC->logged_in) {
2980 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
2983 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
2986 /* If this is private, local mail, make a copy in the
2987 * recipient's mailbox and bump the reference count.
2989 if ((recps != NULL) && (recps->num_local > 0))
2990 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2991 extract_token(recipient, recps->recp_local, i,
2992 '|', sizeof recipient);
2993 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2995 if (CtdlGetUser(&userbuf, recipient) == 0) {
2996 // Add a flag so the Funambol module knows its mail
2997 msg->cm_fields['W'] = strdup(recipient);
2998 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2999 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3000 CtdlBumpNewMailCounter(userbuf.usernum);
3001 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3002 /* Generate a instruction message for the Funambol notification
3003 * server, in the same style as the SMTP queue
3006 instr = malloc(instr_alloc);
3007 snprintf(instr, instr_alloc,
3008 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3010 SPOOLMIME, newmsgid, (long)time(NULL),
3014 imsg = malloc(sizeof(struct CtdlMessage));
3015 memset(imsg, 0, sizeof(struct CtdlMessage));
3016 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3017 imsg->cm_anon_type = MES_NORMAL;
3018 imsg->cm_format_type = FMT_RFC822;
3019 imsg->cm_fields['A'] = strdup("Citadel");
3020 imsg->cm_fields['J'] = strdup("do not journal");
3021 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3022 imsg->cm_fields['W'] = strdup(recipient);
3023 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3024 CtdlFreeMessage(imsg);
3028 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
3029 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3034 /* Perform "after save" hooks */
3035 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
3036 PerformMessageHooks(msg, EVT_AFTERSAVE);
3038 /* For IGnet mail, we have to save a new copy into the spooler for
3039 * each recipient, with the R and D fields set to the recipient and
3040 * destination-node. This has two ugly side effects: all other
3041 * recipients end up being unlisted in this recipient's copy of the
3042 * message, and it has to deliver multiple messages to the same
3043 * node. We'll revisit this again in a year or so when everyone has
3044 * a network spool receiver that can handle the new style messages.
3046 if ((recps != NULL) && (recps->num_ignet > 0))
3047 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3048 extract_token(recipient, recps->recp_ignet, i,
3049 '|', sizeof recipient);
3051 hold_R = msg->cm_fields['R'];
3052 hold_D = msg->cm_fields['D'];
3053 msg->cm_fields['R'] = malloc(SIZ);
3054 msg->cm_fields['D'] = malloc(128);
3055 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3056 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3058 serialize_message(&smr, msg);
3060 snprintf(submit_filename, sizeof submit_filename,
3061 "%s/netmail.%04lx.%04x.%04x",
3063 (long) getpid(), CCC->cs_pid, ++seqnum);
3064 network_fp = fopen(submit_filename, "wb+");
3065 if (network_fp != NULL) {
3066 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3072 free(msg->cm_fields['R']);
3073 free(msg->cm_fields['D']);
3074 msg->cm_fields['R'] = hold_R;
3075 msg->cm_fields['D'] = hold_D;
3078 /* Go back to the room we started from */
3079 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
3080 if (strcasecmp(hold_rm, CCC->room.QRname))
3081 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3083 /* For internet mail, generate delivery instructions.
3084 * Yes, this is recursive. Deal with it. Infinite recursion does
3085 * not happen because the delivery instructions message does not
3086 * contain a recipient.
3088 if ((recps != NULL) && (recps->num_internet > 0)) {
3089 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
3091 instr = malloc(instr_alloc);
3092 snprintf(instr, instr_alloc,
3093 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3095 SPOOLMIME, newmsgid, (long)time(NULL),
3099 if (recps->envelope_from != NULL) {
3100 tmp = strlen(instr);
3101 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3104 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3105 tmp = strlen(instr);
3106 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3107 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3108 instr_alloc = instr_alloc * 2;
3109 instr = realloc(instr, instr_alloc);
3111 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3114 imsg = malloc(sizeof(struct CtdlMessage));
3115 memset(imsg, 0, sizeof(struct CtdlMessage));
3116 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3117 imsg->cm_anon_type = MES_NORMAL;
3118 imsg->cm_format_type = FMT_RFC822;
3119 imsg->cm_fields['A'] = strdup("Citadel");
3120 imsg->cm_fields['J'] = strdup("do not journal");
3121 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3122 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3123 CtdlFreeMessage(imsg);
3127 * Any addresses to harvest for someone's address book?
3129 if ( (CCC->logged_in) && (recps != NULL) ) {
3130 collected_addresses = harvest_collected_addresses(msg);
3133 if (collected_addresses != NULL) {
3134 aptr = (struct addresses_to_be_filed *)
3135 malloc(sizeof(struct addresses_to_be_filed));
3136 CtdlMailboxName(actual_rm, sizeof actual_rm,
3137 &CCC->user, USERCONTACTSROOM);
3138 aptr->roomname = strdup(actual_rm);
3139 aptr->collected_addresses = collected_addresses;
3140 begin_critical_section(S_ATBF);
3143 end_critical_section(S_ATBF);
3147 * Determine whether this message qualifies for journaling.
3149 if (msg->cm_fields['J'] != NULL) {
3150 qualified_for_journaling = 0;
3153 if (recps == NULL) {
3154 qualified_for_journaling = config.c_journal_pubmsgs;
3156 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3157 qualified_for_journaling = config.c_journal_email;
3160 qualified_for_journaling = config.c_journal_pubmsgs;
3165 * Do we have to perform journaling? If so, hand off the saved
3166 * RFC822 version will be handed off to the journaler for background
3167 * submit. Otherwise, we have to free the memory ourselves.
3169 if (saved_rfc822_version != NULL) {
3170 if (qualified_for_journaling) {
3171 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3174 FreeStrBuf(&saved_rfc822_version);
3184 void aide_message (char *text, char *subject)
3186 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3191 * Convenience function for generating small administrative messages.
3193 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3194 int format_type, const char *subject)
3196 struct CtdlMessage *msg;
3197 struct recptypes *recp = NULL;
3199 msg = malloc(sizeof(struct CtdlMessage));
3200 memset(msg, 0, sizeof(struct CtdlMessage));
3201 msg->cm_magic = CTDLMESSAGE_MAGIC;
3202 msg->cm_anon_type = MES_NORMAL;
3203 msg->cm_format_type = format_type;
3206 msg->cm_fields['A'] = strdup(from);
3208 else if (fromaddr != NULL) {
3209 msg->cm_fields['A'] = strdup(fromaddr);
3210 if (strchr(msg->cm_fields['A'], '@')) {
3211 *strchr(msg->cm_fields['A'], '@') = 0;
3215 msg->cm_fields['A'] = strdup("Citadel");
3218 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3219 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3220 msg->cm_fields['N'] = strdup(NODENAME);
3222 msg->cm_fields['R'] = strdup(to);
3223 recp = validate_recipients(to, NULL, 0);
3225 if (subject != NULL) {
3226 msg->cm_fields['U'] = strdup(subject);
3228 msg->cm_fields['M'] = strdup(text);
3230 CtdlSubmitMsg(msg, recp, room, 0);
3231 CtdlFreeMessage(msg);
3232 if (recp != NULL) free_recipients(recp);
3238 * Back end function used by CtdlMakeMessage() and similar functions
3240 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3242 size_t maxlen, /* maximum message length */
3243 char *exist, /* if non-null, append to it;
3244 exist is ALWAYS freed */
3245 int crlf, /* CRLF newlines instead of LF */
3246 int *sock /* socket handle or 0 for this session's client socket */
3255 LineBuf = NewStrBufPlain(NULL, SIZ);
3256 if (exist == NULL) {
3257 Message = NewStrBufPlain(NULL, 4 * SIZ);
3260 Message = NewStrBufPlain(exist, -1);
3264 /* Do we need to change leading ".." to "." for SMTP escaping? */
3265 if ((tlen == 1) && (*terminator == '.')) {
3269 /* read in the lines of message text one by one */
3272 if ((CtdlSockGetLine(sock, LineBuf) < 0) ||
3277 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3279 if ((StrLength(LineBuf) == tlen) &&
3280 (!strcmp(ChrPtr(LineBuf), terminator)))
3283 if ( (!flushing) && (!finished) ) {
3285 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3288 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3291 /* Unescape SMTP-style input of two dots at the beginning of the line */
3293 (StrLength(LineBuf) == 2) &&
3294 (!strcmp(ChrPtr(LineBuf), "..")))
3296 StrBufCutLeft(LineBuf, 1);
3299 StrBufAppendBuf(Message, LineBuf, 0);
3302 /* if we've hit the max msg length, flush the rest */
3303 if (StrLength(Message) >= maxlen) flushing = 1;
3305 } while (!finished);
3306 FreeStrBuf(&LineBuf);
3312 * Back end function used by CtdlMakeMessage() and similar functions
3314 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3316 size_t maxlen, /* maximum message length */
3317 char *exist, /* if non-null, append to it;
3318 exist is ALWAYS freed */
3319 int crlf, /* CRLF newlines instead of LF */
3320 int *sock /* socket handle or 0 for this session's client socket */
3325 Message = CtdlReadMessageBodyBuf(terminator,
3331 if (Message == NULL)
3334 return SmashStrBuf(&Message);
3339 * Build a binary message to be saved on disk.
3340 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3341 * will become part of the message. This means you are no longer
3342 * responsible for managing that memory -- it will be freed along with
3343 * the rest of the fields when CtdlFreeMessage() is called.)
3346 struct CtdlMessage *CtdlMakeMessage(
3347 struct ctdluser *author, /* author's user structure */
3348 char *recipient, /* NULL if it's not mail */
3349 char *recp_cc, /* NULL if it's not mail */
3350 char *room, /* room where it's going */
3351 int type, /* see MES_ types in header file */
3352 int format_type, /* variformat, plain text, MIME... */
3353 char *fake_name, /* who we're masquerading as */
3354 char *my_email, /* which of my email addresses to use (empty is ok) */
3355 char *subject, /* Subject (optional) */
3356 char *supplied_euid, /* ...or NULL if this is irrelevant */
3357 char *preformatted_text, /* ...or NULL to read text from client */
3358 char *references /* Thread references */
3360 char dest_node[256];
3362 struct CtdlMessage *msg;
3364 msg = malloc(sizeof(struct CtdlMessage));
3365 memset(msg, 0, sizeof(struct CtdlMessage));
3366 msg->cm_magic = CTDLMESSAGE_MAGIC;
3367 msg->cm_anon_type = type;
3368 msg->cm_format_type = format_type;
3370 /* Don't confuse the poor folks if it's not routed mail. */
3371 strcpy(dest_node, "");
3373 if (recipient != NULL) striplt(recipient);
3374 if (recp_cc != NULL) striplt(recp_cc);
3376 /* Path or Return-Path */
3377 if (my_email == NULL) my_email = "";
3379 if (!IsEmptyStr(my_email)) {
3380 msg->cm_fields['P'] = strdup(my_email);
3383 snprintf(buf, sizeof buf, "%s", author->fullname);
3384 msg->cm_fields['P'] = strdup(buf);
3386 convert_spaces_to_underscores(msg->cm_fields['P']);
3388 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3389 msg->cm_fields['T'] = strdup(buf);
3391 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3392 msg->cm_fields['A'] = strdup(fake_name);
3395 msg->cm_fields['A'] = strdup(author->fullname);
3398 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3399 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3402 msg->cm_fields['O'] = strdup(CC->room.QRname);
3405 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3406 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3408 if ((recipient != NULL) && (recipient[0] != 0)) {
3409 msg->cm_fields['R'] = strdup(recipient);
3411 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3412 msg->cm_fields['Y'] = strdup(recp_cc);
3414 if (dest_node[0] != 0) {
3415 msg->cm_fields['D'] = strdup(dest_node);
3418 if (!IsEmptyStr(my_email)) {
3419 msg->cm_fields['F'] = strdup(my_email);
3421 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3422 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3425 if (subject != NULL) {
3428 length = strlen(subject);
3434 while ((subject[i] != '\0') &&
3435 (IsAscii = isascii(subject[i]) != 0 ))
3438 msg->cm_fields['U'] = strdup(subject);
3439 else /* ok, we've got utf8 in the string. */
3441 msg->cm_fields['U'] = rfc2047encode(subject, length);
3447 if (supplied_euid != NULL) {
3448 msg->cm_fields['E'] = strdup(supplied_euid);
3451 if (references != NULL) {
3452 if (!IsEmptyStr(references)) {
3453 msg->cm_fields['W'] = strdup(references);
3457 if (preformatted_text != NULL) {
3458 msg->cm_fields['M'] = preformatted_text;
3461 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3469 * Check to see whether we have permission to post a message in the current
3470 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3471 * returns 0 on success.
3473 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3475 const char* RemoteIdentifier,
3479 if (!(CC->logged_in) &&
3480 (PostPublic == POST_LOGGED_IN)) {
3481 snprintf(errmsgbuf, n, "Not logged in.");
3482 return (ERROR + NOT_LOGGED_IN);
3484 else if (PostPublic == CHECK_EXISTANCE) {
3485 return (0); // We're Evaling whether a recipient exists
3487 else if (!(CC->logged_in)) {
3489 if ((CC->room.QRflags & QR_READONLY)) {
3490 snprintf(errmsgbuf, n, "Not logged in.");
3491 return (ERROR + NOT_LOGGED_IN);
3493 if (CC->room.QRflags2 & QR2_MODERATED) {
3494 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3495 return (ERROR + NOT_LOGGED_IN);
3497 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3502 if (RemoteIdentifier == NULL)
3504 snprintf(errmsgbuf, n, "Need sender to permit access.");
3505 return (ERROR + USERNAME_REQUIRED);
3508 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3509 begin_critical_section(S_NETCONFIGS);
3510 if (!read_spoolcontrol_file(&sc, filename))
3512 end_critical_section(S_NETCONFIGS);
3513 snprintf(errmsgbuf, n,
3514 "This mailing list only accepts posts from subscribers.");
3515 return (ERROR + NO_SUCH_USER);
3517 end_critical_section(S_NETCONFIGS);
3518 found = is_recipient (sc, RemoteIdentifier);
3519 free_spoolcontrol_struct(&sc);
3524 snprintf(errmsgbuf, n,
3525 "This mailing list only accepts posts from subscribers.");
3526 return (ERROR + NO_SUCH_USER);
3533 if ((CC->user.axlevel < AxProbU)
3534 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3535 snprintf(errmsgbuf, n, "Need to be validated to enter "
3536 "(except in %s> to sysop)", MAILROOM);
3537 return (ERROR + HIGHER_ACCESS_REQUIRED);
3540 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3541 if (!(ra & UA_POSTALLOWED)) {
3542 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3543 return (ERROR + HIGHER_ACCESS_REQUIRED);
3546 strcpy(errmsgbuf, "Ok");
3552 * Check to see if the specified user has Internet mail permission
3553 * (returns nonzero if permission is granted)
3555 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3557 /* Do not allow twits to send Internet mail */
3558 if (who->axlevel <= AxProbU) return(0);
3560 /* Globally enabled? */
3561 if (config.c_restrict == 0) return(1);
3563 /* User flagged ok? */
3564 if (who->flags & US_INTERNET) return(2);
3566 /* Aide level access? */
3567 if (who->axlevel >= AxAideU) return(3);
3569 /* No mail for you! */
3575 * Validate recipients, count delivery types and errors, and handle aliasing
3576 * FIXME check for dupes!!!!!
3578 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3579 * were specified, or the number of addresses found invalid.
3581 * Caller needs to free the result using free_recipients()
3583 struct recptypes *validate_recipients(const char *supplied_recipients,
3584 const char *RemoteIdentifier,
3586 struct recptypes *ret;
3587 char *recipients = NULL;
3588 char this_recp[256];
3589 char this_recp_cooked[256];
3595 struct ctdluser tempUS;
3596 struct ctdlroom tempQR;
3597 struct ctdlroom tempQR2;
3603 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3604 if (ret == NULL) return(NULL);
3606 /* Set all strings to null and numeric values to zero */
3607 memset(ret, 0, sizeof(struct recptypes));
3609 if (supplied_recipients == NULL) {
3610 recipients = strdup("");
3613 recipients = strdup(supplied_recipients);
3616 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3617 * actually need, but it's healthier for the heap than doing lots of tiny
3618 * realloc() calls instead.
3621 ret->errormsg = malloc(strlen(recipients) + 1024);
3622 ret->recp_local = malloc(strlen(recipients) + 1024);
3623 ret->recp_internet = malloc(strlen(recipients) + 1024);
3624 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3625 ret->recp_room = malloc(strlen(recipients) + 1024);
3626 ret->display_recp = malloc(strlen(recipients) + 1024);
3628 ret->errormsg[0] = 0;
3629 ret->recp_local[0] = 0;
3630 ret->recp_internet[0] = 0;
3631 ret->recp_ignet[0] = 0;
3632 ret->recp_room[0] = 0;
3633 ret->display_recp[0] = 0;
3635 ret->recptypes_magic = RECPTYPES_MAGIC;
3637 /* Change all valid separator characters to commas */
3638 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3639 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3640 recipients[i] = ',';
3644 /* Now start extracting recipients... */
3646 while (!IsEmptyStr(recipients)) {
3648 for (i=0; i<=strlen(recipients); ++i) {
3649 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3650 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3651 safestrncpy(this_recp, recipients, i+1);
3653 if (recipients[i] == ',') {
3654 strcpy(recipients, &recipients[i+1]);
3657 strcpy(recipients, "");
3664 if (IsEmptyStr(this_recp))
3666 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3668 mailtype = alias(this_recp);
3669 mailtype = alias(this_recp);
3670 mailtype = alias(this_recp);
3672 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3673 if (this_recp[j]=='_') {
3674 this_recp_cooked[j] = ' ';
3677 this_recp_cooked[j] = this_recp[j];
3680 this_recp_cooked[j] = '\0';
3685 if (!strcasecmp(this_recp, "sysop")) {
3687 strcpy(this_recp, config.c_aideroom);
3688 if (!IsEmptyStr(ret->recp_room)) {
3689 strcat(ret->recp_room, "|");
3691 strcat(ret->recp_room, this_recp);
3693 else if ( (!strncasecmp(this_recp, "room_", 5))
3694 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3696 /* Save room so we can restore it later */
3700 /* Check permissions to send mail to this room */
3701 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3713 if (!IsEmptyStr(ret->recp_room)) {
3714 strcat(ret->recp_room, "|");
3716 strcat(ret->recp_room, &this_recp_cooked[5]);
3719 /* Restore room in case something needs it */
3723 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3725 strcpy(this_recp, tempUS.fullname);
3726 if (!IsEmptyStr(ret->recp_local)) {
3727 strcat(ret->recp_local, "|");
3729 strcat(ret->recp_local, this_recp);
3731 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3733 strcpy(this_recp, tempUS.fullname);
3734 if (!IsEmptyStr(ret->recp_local)) {
3735 strcat(ret->recp_local, "|");
3737 strcat(ret->recp_local, this_recp);
3745 /* Yes, you're reading this correctly: if the target
3746 * domain points back to the local system or an attached
3747 * Citadel directory, the address is invalid. That's
3748 * because if the address were valid, we would have
3749 * already translated it to a local address by now.
3751 if (IsDirectory(this_recp, 0)) {
3756 ++ret->num_internet;
3757 if (!IsEmptyStr(ret->recp_internet)) {
3758 strcat(ret->recp_internet, "|");
3760 strcat(ret->recp_internet, this_recp);
3765 if (!IsEmptyStr(ret->recp_ignet)) {
3766 strcat(ret->recp_ignet, "|");
3768 strcat(ret->recp_ignet, this_recp);
3776 if (IsEmptyStr(errmsg)) {
3777 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3780 snprintf(append, sizeof append, "%s", errmsg);
3782 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3783 if (!IsEmptyStr(ret->errormsg)) {
3784 strcat(ret->errormsg, "; ");
3786 strcat(ret->errormsg, append);
3790 if (IsEmptyStr(ret->display_recp)) {
3791 strcpy(append, this_recp);
3794 snprintf(append, sizeof append, ", %s", this_recp);
3796 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3797 strcat(ret->display_recp, append);
3802 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3803 ret->num_room + ret->num_error) == 0) {
3804 ret->num_error = (-1);
3805 strcpy(ret->errormsg, "No recipients specified.");
3808 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3809 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3810 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3811 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3812 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3813 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3821 * Destructor for struct recptypes
3823 void free_recipients(struct recptypes *valid) {
3825 if (valid == NULL) {
3829 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3830 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3834 if (valid->errormsg != NULL) free(valid->errormsg);
3835 if (valid->recp_local != NULL) free(valid->recp_local);
3836 if (valid->recp_internet != NULL) free(valid->recp_internet);
3837 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3838 if (valid->recp_room != NULL) free(valid->recp_room);
3839 if (valid->display_recp != NULL) free(valid->display_recp);
3840 if (valid->bounce_to != NULL) free(valid->bounce_to);
3841 if (valid->envelope_from != NULL) free(valid->envelope_from);
3848 * message entry - mode 0 (normal)
3850 void cmd_ent0(char *entargs)
3856 char supplied_euid[128];
3858 int format_type = 0;
3859 char newusername[256];
3860 char newuseremail[256];
3861 struct CtdlMessage *msg;
3865 struct recptypes *valid = NULL;
3866 struct recptypes *valid_to = NULL;
3867 struct recptypes *valid_cc = NULL;
3868 struct recptypes *valid_bcc = NULL;
3870 int subject_required = 0;
3875 int newuseremail_ok = 0;
3876 char references[SIZ];
3881 post = extract_int(entargs, 0);
3882 extract_token(recp, entargs, 1, '|', sizeof recp);
3883 anon_flag = extract_int(entargs, 2);
3884 format_type = extract_int(entargs, 3);
3885 extract_token(subject, entargs, 4, '|', sizeof subject);
3886 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3887 do_confirm = extract_int(entargs, 6);
3888 extract_token(cc, entargs, 7, '|', sizeof cc);
3889 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3890 switch(CC->room.QRdefaultview) {
3893 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3896 supplied_euid[0] = 0;
3899 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3900 extract_token(references, entargs, 11, '|', sizeof references);
3901 for (ptr=references; *ptr != 0; ++ptr) {
3902 if (*ptr == '!') *ptr = '|';
3905 /* first check to make sure the request is valid. */
3907 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3910 cprintf("%d %s\n", err, errmsg);
3914 /* Check some other permission type things. */
3916 if (IsEmptyStr(newusername)) {
3917 strcpy(newusername, CC->user.fullname);
3919 if ( (CC->user.axlevel < AxAideU)
3920 && (strcasecmp(newusername, CC->user.fullname))
3921 && (strcasecmp(newusername, CC->cs_inet_fn))
3923 cprintf("%d You don't have permission to author messages as '%s'.\n",
3924 ERROR + HIGHER_ACCESS_REQUIRED,
3931 if (IsEmptyStr(newuseremail)) {
3932 newuseremail_ok = 1;
3935 if (!IsEmptyStr(newuseremail)) {
3936 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3937 newuseremail_ok = 1;
3939 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3940 j = num_tokens(CC->cs_inet_other_emails, '|');
3941 for (i=0; i<j; ++i) {
3942 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3943 if (!strcasecmp(newuseremail, buf)) {
3944 newuseremail_ok = 1;
3950 if (!newuseremail_ok) {
3951 cprintf("%d You don't have permission to author messages as '%s'.\n",
3952 ERROR + HIGHER_ACCESS_REQUIRED,
3958 CC->cs_flags |= CS_POSTING;
3960 /* In mailbox rooms we have to behave a little differently --
3961 * make sure the user has specified at least one recipient. Then
3962 * validate the recipient(s). We do this for the Mail> room, as
3963 * well as any room which has the "Mailbox" view set.
3966 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3967 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3969 if (CC->user.axlevel < AxProbU) {
3970 strcpy(recp, "sysop");
3975 valid_to = validate_recipients(recp, NULL, 0);
3976 if (valid_to->num_error > 0) {
3977 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3978 free_recipients(valid_to);
3982 valid_cc = validate_recipients(cc, NULL, 0);
3983 if (valid_cc->num_error > 0) {
3984 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
3985 free_recipients(valid_to);
3986 free_recipients(valid_cc);
3990 valid_bcc = validate_recipients(bcc, NULL, 0);
3991 if (valid_bcc->num_error > 0) {
3992 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
3993 free_recipients(valid_to);
3994 free_recipients(valid_cc);
3995 free_recipients(valid_bcc);
3999 /* Recipient required, but none were specified */
4000 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4001 free_recipients(valid_to);
4002 free_recipients(valid_cc);
4003 free_recipients(valid_bcc);
4004 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4008 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4009 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4010 cprintf("%d You do not have permission "
4011 "to send Internet mail.\n",
4012 ERROR + HIGHER_ACCESS_REQUIRED);
4013 free_recipients(valid_to);
4014 free_recipients(valid_cc);
4015 free_recipients(valid_bcc);
4020 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)
4021 && (CC->user.axlevel < AxNetU) ) {
4022 cprintf("%d Higher access required for network mail.\n",
4023 ERROR + HIGHER_ACCESS_REQUIRED);
4024 free_recipients(valid_to);
4025 free_recipients(valid_cc);
4026 free_recipients(valid_bcc);
4030 if ((RESTRICT_INTERNET == 1)
4031 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4032 && ((CC->user.flags & US_INTERNET) == 0)
4033 && (!CC->internal_pgm)) {
4034 cprintf("%d You don't have access to Internet mail.\n",
4035 ERROR + HIGHER_ACCESS_REQUIRED);
4036 free_recipients(valid_to);
4037 free_recipients(valid_cc);
4038 free_recipients(valid_bcc);
4044 /* Is this a room which has anonymous-only or anonymous-option? */
4045 anonymous = MES_NORMAL;
4046 if (CC->room.QRflags & QR_ANONONLY) {
4047 anonymous = MES_ANONONLY;
4049 if (CC->room.QRflags & QR_ANONOPT) {
4050 if (anon_flag == 1) { /* only if the user requested it */
4051 anonymous = MES_ANONOPT;
4055 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4059 /* Recommend to the client that the use of a message subject is
4060 * strongly recommended in this room, if either the SUBJECTREQ flag
4061 * is set, or if there is one or more Internet email recipients.
4063 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4064 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4065 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4066 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4068 /* If we're only checking the validity of the request, return
4069 * success without creating the message.
4072 cprintf("%d %s|%d\n", CIT_OK,
4073 ((valid_to != NULL) ? valid_to->display_recp : ""),
4075 free_recipients(valid_to);
4076 free_recipients(valid_cc);
4077 free_recipients(valid_bcc);
4081 /* We don't need these anymore because we'll do it differently below */
4082 free_recipients(valid_to);
4083 free_recipients(valid_cc);
4084 free_recipients(valid_bcc);
4086 /* Read in the message from the client. */
4088 cprintf("%d send message\n", START_CHAT_MODE);
4090 cprintf("%d send message\n", SEND_LISTING);
4093 msg = CtdlMakeMessage(&CC->user, recp, cc,
4094 CC->room.QRname, anonymous, format_type,
4095 newusername, newuseremail, subject,
4096 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4099 /* Put together one big recipients struct containing to/cc/bcc all in
4100 * one. This is for the envelope.
4102 char *all_recps = malloc(SIZ * 3);
4103 strcpy(all_recps, recp);
4104 if (!IsEmptyStr(cc)) {
4105 if (!IsEmptyStr(all_recps)) {
4106 strcat(all_recps, ",");
4108 strcat(all_recps, cc);
4110 if (!IsEmptyStr(bcc)) {
4111 if (!IsEmptyStr(all_recps)) {
4112 strcat(all_recps, ",");
4114 strcat(all_recps, bcc);
4116 if (!IsEmptyStr(all_recps)) {
4117 valid = validate_recipients(all_recps, NULL, 0);
4125 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4128 cprintf("%ld\n", msgnum);
4130 cprintf("Message accepted.\n");
4133 cprintf("Internal error.\n");
4135 if (msg->cm_fields['E'] != NULL) {
4136 cprintf("%s\n", msg->cm_fields['E']);
4143 CtdlFreeMessage(msg);
4145 if (valid != NULL) {
4146 free_recipients(valid);
4154 * API function to delete messages which match a set of criteria
4155 * (returns the actual number of messages deleted)
4157 int CtdlDeleteMessages(char *room_name, /* which room */
4158 long *dmsgnums, /* array of msg numbers to be deleted */
4159 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4160 char *content_type /* or "" for any. regular expressions expected. */
4163 struct ctdlroom qrbuf;
4164 struct cdbdata *cdbfr;
4165 long *msglist = NULL;
4166 long *dellist = NULL;
4169 int num_deleted = 0;
4171 struct MetaData smi;
4174 int need_to_free_re = 0;
4176 if (content_type) if (!IsEmptyStr(content_type)) {
4177 regcomp(&re, content_type, 0);
4178 need_to_free_re = 1;
4180 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4181 room_name, num_dmsgnums, content_type);
4183 /* get room record, obtaining a lock... */
4184 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4185 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4187 if (need_to_free_re) regfree(&re);
4188 return (0); /* room not found */
4190 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4192 if (cdbfr != NULL) {
4193 dellist = malloc(cdbfr->len);
4194 msglist = (long *) cdbfr->ptr;
4195 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4196 num_msgs = cdbfr->len / sizeof(long);
4200 for (i = 0; i < num_msgs; ++i) {
4203 /* Set/clear a bit for each criterion */
4205 /* 0 messages in the list or a null list means that we are
4206 * interested in deleting any messages which meet the other criteria.
4208 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4209 delete_this |= 0x01;
4212 for (j=0; j<num_dmsgnums; ++j) {
4213 if (msglist[i] == dmsgnums[j]) {
4214 delete_this |= 0x01;
4219 if (IsEmptyStr(content_type)) {
4220 delete_this |= 0x02;
4222 GetMetaData(&smi, msglist[i]);
4223 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4224 delete_this |= 0x02;
4228 /* Delete message only if all bits are set */
4229 if (delete_this == 0x03) {
4230 dellist[num_deleted++] = msglist[i];
4235 num_msgs = sort_msglist(msglist, num_msgs);
4236 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4237 msglist, (int)(num_msgs * sizeof(long)));
4240 qrbuf.QRhighest = msglist[num_msgs - 1];
4242 qrbuf.QRhighest = 0;
4244 CtdlPutRoomLock(&qrbuf);
4246 /* Go through the messages we pulled out of the index, and decrement
4247 * their reference counts by 1. If this is the only room the message
4248 * was in, the reference count will reach zero and the message will
4249 * automatically be deleted from the database. We do this in a
4250 * separate pass because there might be plug-in hooks getting called,
4251 * and we don't want that happening during an S_ROOMS critical
4254 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4255 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4256 AdjRefCount(dellist[i], -1);
4259 /* Now free the memory we used, and go away. */
4260 if (msglist != NULL) free(msglist);
4261 if (dellist != NULL) free(dellist);
4262 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4263 if (need_to_free_re) regfree(&re);
4264 return (num_deleted);
4270 * Check whether the current user has permission to delete messages from
4271 * the current room (returns 1 for yes, 0 for no)
4273 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4275 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4276 if (ra & UA_DELETEALLOWED) return(1);
4284 * Delete message from current room
4286 void cmd_dele(char *args)
4295 extract_token(msgset, args, 0, '|', sizeof msgset);
4296 num_msgs = num_tokens(msgset, ',');
4298 cprintf("%d Nothing to do.\n", CIT_OK);
4302 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4303 cprintf("%d Higher access required.\n",
4304 ERROR + HIGHER_ACCESS_REQUIRED);
4309 * Build our message set to be moved/copied
4311 msgs = malloc(num_msgs * sizeof(long));
4312 for (i=0; i<num_msgs; ++i) {
4313 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4314 msgs[i] = atol(msgtok);
4317 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4321 cprintf("%d %d message%s deleted.\n", CIT_OK,
4322 num_deleted, ((num_deleted != 1) ? "s" : ""));
4324 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4332 * move or copy a message to another room
4334 void cmd_move(char *args)
4341 char targ[ROOMNAMELEN];
4342 struct ctdlroom qtemp;
4349 extract_token(msgset, args, 0, '|', sizeof msgset);
4350 num_msgs = num_tokens(msgset, ',');
4352 cprintf("%d Nothing to do.\n", CIT_OK);
4356 extract_token(targ, args, 1, '|', sizeof targ);
4357 convert_room_name_macros(targ, sizeof targ);
4358 targ[ROOMNAMELEN - 1] = 0;
4359 is_copy = extract_int(args, 2);
4361 if (CtdlGetRoom(&qtemp, targ) != 0) {
4362 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4366 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4367 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4371 CtdlGetUser(&CC->user, CC->curr_user);
4372 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4374 /* Check for permission to perform this operation.
4375 * Remember: "CC->room" is source, "qtemp" is target.
4379 /* Aides can move/copy */
4380 if (CC->user.axlevel >= AxAideU) permit = 1;
4382 /* Room aides can move/copy */
4383 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4385 /* Permit move/copy from personal rooms */
4386 if ((CC->room.QRflags & QR_MAILBOX)
4387 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4389 /* Permit only copy from public to personal room */
4391 && (!(CC->room.QRflags & QR_MAILBOX))
4392 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4394 /* Permit message removal from collaborative delete rooms */
4395 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4397 /* Users allowed to post into the target room may move into it too. */
4398 if ((CC->room.QRflags & QR_MAILBOX) &&
4399 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4401 /* User must have access to target room */
4402 if (!(ra & UA_KNOWN)) permit = 0;
4405 cprintf("%d Higher access required.\n",
4406 ERROR + HIGHER_ACCESS_REQUIRED);
4411 * Build our message set to be moved/copied
4413 msgs = malloc(num_msgs * sizeof(long));
4414 for (i=0; i<num_msgs; ++i) {
4415 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4416 msgs[i] = atol(msgtok);
4422 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4424 cprintf("%d Cannot store message(s) in %s: error %d\n",
4430 /* Now delete the message from the source room,
4431 * if this is a 'move' rather than a 'copy' operation.
4434 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4438 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4444 * GetMetaData() - Get the supplementary record for a message
4446 void GetMetaData(struct MetaData *smibuf, long msgnum)
4449 struct cdbdata *cdbsmi;
4452 memset(smibuf, 0, sizeof(struct MetaData));
4453 smibuf->meta_msgnum = msgnum;
4454 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4456 /* Use the negative of the message number for its supp record index */
4457 TheIndex = (0L - msgnum);
4459 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4460 if (cdbsmi == NULL) {
4461 return; /* record not found; go with defaults */
4463 memcpy(smibuf, cdbsmi->ptr,
4464 ((cdbsmi->len > sizeof(struct MetaData)) ?
4465 sizeof(struct MetaData) : cdbsmi->len));
4472 * PutMetaData() - (re)write supplementary record for a message
4474 void PutMetaData(struct MetaData *smibuf)
4478 /* Use the negative of the message number for the metadata db index */
4479 TheIndex = (0L - smibuf->meta_msgnum);
4481 cdb_store(CDB_MSGMAIN,
4482 &TheIndex, (int)sizeof(long),
4483 smibuf, (int)sizeof(struct MetaData));
4488 * AdjRefCount - submit an adjustment to the reference count for a message.
4489 * (These are just queued -- we actually process them later.)
4491 void AdjRefCount(long msgnum, int incr)
4493 struct arcq new_arcq;
4496 CtdlLogPrintf(CTDL_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4500 begin_critical_section(S_SUPPMSGMAIN);
4501 if (arcfp == NULL) {
4502 arcfp = fopen(file_arcq, "ab+");
4504 end_critical_section(S_SUPPMSGMAIN);
4506 /* msgnum < 0 means that we're trying to close the file */
4508 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4509 begin_critical_section(S_SUPPMSGMAIN);
4510 if (arcfp != NULL) {
4514 end_critical_section(S_SUPPMSGMAIN);
4519 * If we can't open the queue, perform the operation synchronously.
4521 if (arcfp == NULL) {
4522 TDAP_AdjRefCount(msgnum, incr);
4526 new_arcq.arcq_msgnum = msgnum;
4527 new_arcq.arcq_delta = incr;
4528 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4536 * TDAP_ProcessAdjRefCountQueue()
4538 * Process the queue of message count adjustments that was created by calls
4539 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4540 * for each one. This should be an "off hours" operation.
4542 int TDAP_ProcessAdjRefCountQueue(void)
4544 char file_arcq_temp[PATH_MAX];
4547 struct arcq arcq_rec;
4548 int num_records_processed = 0;
4550 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4552 begin_critical_section(S_SUPPMSGMAIN);
4553 if (arcfp != NULL) {
4558 r = link(file_arcq, file_arcq_temp);
4560 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4561 end_critical_section(S_SUPPMSGMAIN);
4562 return(num_records_processed);
4566 end_critical_section(S_SUPPMSGMAIN);
4568 fp = fopen(file_arcq_temp, "rb");
4570 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4571 return(num_records_processed);
4574 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4575 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4576 ++num_records_processed;
4580 r = unlink(file_arcq_temp);
4582 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4585 return(num_records_processed);
4591 * TDAP_AdjRefCount - adjust the reference count for a message.
4592 * This one does it "for real" because it's called by
4593 * the autopurger function that processes the queue
4594 * created by AdjRefCount(). If a message's reference
4595 * count becomes zero, we also delete the message from
4596 * disk and de-index it.
4598 void TDAP_AdjRefCount(long msgnum, int incr)
4601 struct MetaData smi;
4604 /* This is a *tight* critical section; please keep it that way, as
4605 * it may get called while nested in other critical sections.
4606 * Complicating this any further will surely cause deadlock!
4608 begin_critical_section(S_SUPPMSGMAIN);
4609 GetMetaData(&smi, msgnum);
4610 smi.meta_refcount += incr;
4612 end_critical_section(S_SUPPMSGMAIN);
4613 CtdlLogPrintf(CTDL_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4614 msgnum, incr, smi.meta_refcount
4617 /* If the reference count is now zero, delete the message
4618 * (and its supplementary record as well).
4620 if (smi.meta_refcount == 0) {
4621 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4623 /* Call delete hooks with NULL room to show it has gone altogether */
4624 PerformDeleteHooks(NULL, msgnum);
4626 /* Remove from message base */
4628 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4629 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4631 /* Remove metadata record */
4632 delnum = (0L - msgnum);
4633 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4639 * Write a generic object to this room
4641 * Note: this could be much more efficient. Right now we use two temporary
4642 * files, and still pull the message into memory as with all others.
4644 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4645 char *content_type, /* MIME type of this object */
4646 char *raw_message, /* Data to be written */
4647 off_t raw_length, /* Size of raw_message */
4648 struct ctdluser *is_mailbox, /* Mailbox room? */
4649 int is_binary, /* Is encoding necessary? */
4650 int is_unique, /* Del others of this type? */
4651 unsigned int flags /* Internal save flags */
4655 struct ctdlroom qrbuf;
4656 char roomname[ROOMNAMELEN];
4657 struct CtdlMessage *msg;
4658 char *encoded_message = NULL;
4660 if (is_mailbox != NULL) {
4661 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4664 safestrncpy(roomname, req_room, sizeof(roomname));
4667 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4670 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4673 encoded_message = malloc((size_t)(raw_length + 4096));
4676 sprintf(encoded_message, "Content-type: %s\n", content_type);
4679 sprintf(&encoded_message[strlen(encoded_message)],
4680 "Content-transfer-encoding: base64\n\n"
4684 sprintf(&encoded_message[strlen(encoded_message)],
4685 "Content-transfer-encoding: 7bit\n\n"
4691 &encoded_message[strlen(encoded_message)],
4699 &encoded_message[strlen(encoded_message)],
4705 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4706 msg = malloc(sizeof(struct CtdlMessage));
4707 memset(msg, 0, sizeof(struct CtdlMessage));
4708 msg->cm_magic = CTDLMESSAGE_MAGIC;
4709 msg->cm_anon_type = MES_NORMAL;
4710 msg->cm_format_type = 4;
4711 msg->cm_fields['A'] = strdup(CC->user.fullname);
4712 msg->cm_fields['O'] = strdup(req_room);
4713 msg->cm_fields['N'] = strdup(config.c_nodename);
4714 msg->cm_fields['H'] = strdup(config.c_humannode);
4715 msg->cm_flags = flags;
4717 msg->cm_fields['M'] = encoded_message;
4719 /* Create the requested room if we have to. */
4720 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4721 CtdlCreateRoom(roomname,
4722 ( (is_mailbox != NULL) ? 5 : 3 ),
4723 "", 0, 1, 0, VIEW_BBS);
4725 /* If the caller specified this object as unique, delete all
4726 * other objects of this type that are currently in the room.
4729 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4730 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4733 /* Now write the data */
4734 CtdlSubmitMsg(msg, NULL, roomname, 0);
4735 CtdlFreeMessage(msg);
4743 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4744 config_msgnum = msgnum;
4748 char *CtdlGetSysConfig(char *sysconfname) {
4749 char hold_rm[ROOMNAMELEN];
4752 struct CtdlMessage *msg;
4755 strcpy(hold_rm, CC->room.QRname);
4756 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4757 CtdlGetRoom(&CC->room, hold_rm);
4762 /* We want the last (and probably only) config in this room */
4763 begin_critical_section(S_CONFIG);
4764 config_msgnum = (-1L);
4765 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4766 CtdlGetSysConfigBackend, NULL);
4767 msgnum = config_msgnum;
4768 end_critical_section(S_CONFIG);
4774 msg = CtdlFetchMessage(msgnum, 1);
4776 conf = strdup(msg->cm_fields['M']);
4777 CtdlFreeMessage(msg);
4784 CtdlGetRoom(&CC->room, hold_rm);
4786 if (conf != NULL) do {
4787 extract_token(buf, conf, 0, '\n', sizeof buf);
4788 strcpy(conf, &conf[strlen(buf)+1]);
4789 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4795 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4796 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4801 * Determine whether a given Internet address belongs to the current user
4803 int CtdlIsMe(char *addr, int addr_buf_len)
4805 struct recptypes *recp;
4808 recp = validate_recipients(addr, NULL, 0);
4809 if (recp == NULL) return(0);
4811 if (recp->num_local == 0) {
4812 free_recipients(recp);
4816 for (i=0; i<recp->num_local; ++i) {
4817 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4818 if (!strcasecmp(addr, CC->user.fullname)) {
4819 free_recipients(recp);
4824 free_recipients(recp);
4830 * Citadel protocol command to do the same
4832 void cmd_isme(char *argbuf) {
4835 if (CtdlAccessCheck(ac_logged_in)) return;
4836 extract_token(addr, argbuf, 0, '|', sizeof addr);
4838 if (CtdlIsMe(addr, sizeof addr)) {
4839 cprintf("%d %s\n", CIT_OK, addr);
4842 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
4848 /*****************************************************************************/
4849 /* MODULE INITIALIZATION STUFF */
4850 /*****************************************************************************/
4852 CTDL_MODULE_INIT(msgbase)
4855 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
4856 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
4857 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
4858 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
4859 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
4860 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
4861 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
4862 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
4863 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
4864 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
4865 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
4866 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
4869 /* return our Subversion id for the Log */