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);
979 * Callback function for mime parser that simply lists the part
981 void list_this_part(char *name, char *filename, char *partnum, char *disp,
982 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
983 char *cbid, void *cbuserdata)
987 ma = (struct ma_info *)cbuserdata;
988 if (ma->is_ma == 0) {
989 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1002 * Callback function for multipart prefix
1004 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1005 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1006 char *cbid, void *cbuserdata)
1010 ma = (struct ma_info *)cbuserdata;
1011 if (!strcasecmp(cbtype, "multipart/alternative")) {
1015 if (ma->is_ma == 0) {
1016 cprintf("pref=%s|%s\n", partnum, cbtype);
1021 * Callback function for multipart sufffix
1023 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1024 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1025 char *cbid, void *cbuserdata)
1029 ma = (struct ma_info *)cbuserdata;
1030 if (ma->is_ma == 0) {
1031 cprintf("suff=%s|%s\n", partnum, cbtype);
1033 if (!strcasecmp(cbtype, "multipart/alternative")) {
1040 * Callback function for mime parser that opens a section for downloading
1042 void mime_download(char *name, char *filename, char *partnum, char *disp,
1043 void *content, char *cbtype, char *cbcharset, size_t length,
1044 char *encoding, char *cbid, void *cbuserdata)
1048 /* Silently go away if there's already a download open. */
1049 if (CC->download_fp != NULL)
1053 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1054 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1056 CC->download_fp = tmpfile();
1057 if (CC->download_fp == NULL)
1060 rv = fwrite(content, length, 1, CC->download_fp);
1061 fflush(CC->download_fp);
1062 rewind(CC->download_fp);
1064 OpenCmdResult(filename, cbtype);
1071 * Callback function for mime parser that outputs a section all at once.
1072 * We can specify the desired section by part number *or* content-id.
1074 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1075 void *content, char *cbtype, char *cbcharset, size_t length,
1076 char *encoding, char *cbid, void *cbuserdata)
1078 int *found_it = (int *)cbuserdata;
1081 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1082 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1085 cprintf("%d %d|-1|%s|%s|%s\n",
1092 client_write(content, length);
1099 * Load a message from disk into memory.
1100 * This is used by CtdlOutputMsg() and other fetch functions.
1102 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1103 * using the CtdlMessageFree() function.
1105 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1107 struct cdbdata *dmsgtext;
1108 struct CtdlMessage *ret = NULL;
1112 cit_uint8_t field_header;
1114 CtdlLogPrintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1116 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1117 if (dmsgtext == NULL) {
1120 mptr = dmsgtext->ptr;
1121 upper_bound = mptr + dmsgtext->len;
1123 /* Parse the three bytes that begin EVERY message on disk.
1124 * The first is always 0xFF, the on-disk magic number.
1125 * The second is the anonymous/public type byte.
1126 * The third is the format type byte (vari, fixed, or MIME).
1130 CtdlLogPrintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1134 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1135 memset(ret, 0, sizeof(struct CtdlMessage));
1137 ret->cm_magic = CTDLMESSAGE_MAGIC;
1138 ret->cm_anon_type = *mptr++; /* Anon type byte */
1139 ret->cm_format_type = *mptr++; /* Format type byte */
1142 * The rest is zero or more arbitrary fields. Load them in.
1143 * We're done when we encounter either a zero-length field or
1144 * have just processed the 'M' (message text) field.
1147 if (mptr >= upper_bound) {
1150 field_header = *mptr++;
1151 ret->cm_fields[field_header] = strdup(mptr);
1153 while (*mptr++ != 0); /* advance to next field */
1155 } while ((mptr < upper_bound) && (field_header != 'M'));
1159 /* Always make sure there's something in the msg text field. If
1160 * it's NULL, the message text is most likely stored separately,
1161 * so go ahead and fetch that. Failing that, just set a dummy
1162 * body so other code doesn't barf.
1164 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1165 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1166 if (dmsgtext != NULL) {
1167 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1171 if (ret->cm_fields['M'] == NULL) {
1172 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1175 /* Perform "before read" hooks (aborting if any return nonzero) */
1176 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1177 CtdlFreeMessage(ret);
1186 * Returns 1 if the supplied pointer points to a valid Citadel message.
1187 * If the pointer is NULL or the magic number check fails, returns 0.
1189 int is_valid_message(struct CtdlMessage *msg) {
1192 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1193 CtdlLogPrintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1201 * 'Destructor' for struct CtdlMessage
1203 void CtdlFreeMessage(struct CtdlMessage *msg)
1207 if (is_valid_message(msg) == 0)
1209 if (msg != NULL) free (msg);
1213 for (i = 0; i < 256; ++i)
1214 if (msg->cm_fields[i] != NULL) {
1215 free(msg->cm_fields[i]);
1218 msg->cm_magic = 0; /* just in case */
1224 * Pre callback function for multipart/alternative
1226 * NOTE: this differs from the standard behavior for a reason. Normally when
1227 * displaying multipart/alternative you want to show the _last_ usable
1228 * format in the message. Here we show the _first_ one, because it's
1229 * usually text/plain. Since this set of functions is designed for text
1230 * output to non-MIME-aware clients, this is the desired behavior.
1233 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1234 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1235 char *cbid, void *cbuserdata)
1239 ma = (struct ma_info *)cbuserdata;
1240 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1241 if (!strcasecmp(cbtype, "multipart/alternative")) {
1245 if (!strcasecmp(cbtype, "message/rfc822")) {
1251 * Post callback function for multipart/alternative
1253 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1254 void *content, char *cbtype, char *cbcharset, size_t length,
1255 char *encoding, char *cbid, void *cbuserdata)
1259 ma = (struct ma_info *)cbuserdata;
1260 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1261 if (!strcasecmp(cbtype, "multipart/alternative")) {
1265 if (!strcasecmp(cbtype, "message/rfc822")) {
1271 * Inline callback function for mime parser that wants to display text
1273 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1274 void *content, char *cbtype, char *cbcharset, size_t length,
1275 char *encoding, char *cbid, void *cbuserdata)
1282 ma = (struct ma_info *)cbuserdata;
1284 CtdlLogPrintf(CTDL_DEBUG,
1285 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1286 partnum, filename, cbtype, (long)length);
1289 * If we're in the middle of a multipart/alternative scope and
1290 * we've already printed another section, skip this one.
1292 if ( (ma->is_ma) && (ma->did_print) ) {
1293 CtdlLogPrintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1298 if ( (!strcasecmp(cbtype, "text/plain"))
1299 || (IsEmptyStr(cbtype)) ) {
1302 client_write(wptr, length);
1303 if (wptr[length-1] != '\n') {
1310 if (!strcasecmp(cbtype, "text/html")) {
1311 ptr = html_to_ascii(content, length, 80, 0);
1313 client_write(ptr, wlen);
1314 if (ptr[wlen-1] != '\n') {
1321 if (ma->use_fo_hooks) {
1322 if (PerformFixedOutputHooks(cbtype, content, length)) {
1323 /* above function returns nonzero if it handled the part */
1328 if (strncasecmp(cbtype, "multipart/", 10)) {
1329 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1330 partnum, filename, cbtype, (long)length);
1336 * The client is elegant and sophisticated and wants to be choosy about
1337 * MIME content types, so figure out which multipart/alternative part
1338 * we're going to send.
1340 * We use a system of weights. When we find a part that matches one of the
1341 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1342 * and then set ma->chosen_pref to that MIME type's position in our preference
1343 * list. If we then hit another match, we only replace the first match if
1344 * the preference value is lower.
1346 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1347 void *content, char *cbtype, char *cbcharset, size_t length,
1348 char *encoding, char *cbid, void *cbuserdata)
1354 ma = (struct ma_info *)cbuserdata;
1356 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1357 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1358 // I don't know if there are any side effects! Please TEST TEST TEST
1359 //if (ma->is_ma > 0) {
1361 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1362 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1363 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1364 if (i < ma->chosen_pref) {
1365 CtdlLogPrintf(CTDL_DEBUG, "Setting chosen part: <%s>\n", partnum);
1366 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1367 ma->chosen_pref = i;
1374 * Now that we've chosen our preferred part, output it.
1376 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1377 void *content, char *cbtype, char *cbcharset, size_t length,
1378 char *encoding, char *cbid, void *cbuserdata)
1382 int add_newline = 0;
1386 ma = (struct ma_info *)cbuserdata;
1388 /* This is not the MIME part you're looking for... */
1389 if (strcasecmp(partnum, ma->chosen_part)) return;
1391 /* If the content-type of this part is in our preferred formats
1392 * list, we can simply output it verbatim.
1394 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1395 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1396 if (!strcasecmp(buf, cbtype)) {
1397 /* Yeah! Go! W00t!! */
1399 text_content = (char *)content;
1400 if (text_content[length-1] != '\n') {
1403 cprintf("Content-type: %s", cbtype);
1404 if (!IsEmptyStr(cbcharset)) {
1405 cprintf("; charset=%s", cbcharset);
1407 cprintf("\nContent-length: %d\n",
1408 (int)(length + add_newline) );
1409 if (!IsEmptyStr(encoding)) {
1410 cprintf("Content-transfer-encoding: %s\n", encoding);
1413 cprintf("Content-transfer-encoding: 7bit\n");
1415 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1417 client_write(content, length);
1418 if (add_newline) cprintf("\n");
1423 /* No translations required or possible: output as text/plain */
1424 cprintf("Content-type: text/plain\n\n");
1425 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1426 length, encoding, cbid, cbuserdata);
1431 char desired_section[64];
1438 * Callback function for
1440 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1441 void *content, char *cbtype, char *cbcharset, size_t length,
1442 char *encoding, char *cbid, void *cbuserdata)
1444 struct encapmsg *encap;
1446 encap = (struct encapmsg *)cbuserdata;
1448 /* Only proceed if this is the desired section... */
1449 if (!strcasecmp(encap->desired_section, partnum)) {
1450 encap->msglen = length;
1451 encap->msg = malloc(length + 2);
1452 memcpy(encap->msg, content, length);
1463 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1464 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1465 return(om_not_logged_in);
1472 * Get a message off disk. (returns om_* values found in msgbase.h)
1475 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1476 int mode, /* how would you like that message? */
1477 int headers_only, /* eschew the message body? */
1478 int do_proto, /* do Citadel protocol responses? */
1479 int crlf, /* Use CRLF newlines instead of LF? */
1480 char *section, /* NULL or a message/rfc822 section */
1481 int flags /* various flags; see msgbase.h */
1483 struct CtdlMessage *TheMessage = NULL;
1484 int retcode = om_no_such_msg;
1485 struct encapmsg encap;
1488 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1490 (section ? section : "<>")
1493 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1496 if (r == om_not_logged_in) {
1497 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1500 cprintf("%d An unknown error has occurred.\n", ERROR);
1506 /* FIXME: check message id against msglist for this room */
1509 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1510 * request that we don't even bother loading the body into memory.
1512 if (headers_only == HEADERS_FAST) {
1513 TheMessage = CtdlFetchMessage(msg_num, 0);
1516 TheMessage = CtdlFetchMessage(msg_num, 1);
1519 if (TheMessage == NULL) {
1520 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1521 ERROR + MESSAGE_NOT_FOUND, msg_num);
1522 return(om_no_such_msg);
1525 /* Here is the weird form of this command, to process only an
1526 * encapsulated message/rfc822 section.
1528 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1529 memset(&encap, 0, sizeof encap);
1530 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1531 mime_parser(TheMessage->cm_fields['M'],
1533 *extract_encapsulated_message,
1534 NULL, NULL, (void *)&encap, 0
1536 CtdlFreeMessage(TheMessage);
1540 encap.msg[encap.msglen] = 0;
1541 TheMessage = convert_internet_message(encap.msg);
1542 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1544 /* Now we let it fall through to the bottom of this
1545 * function, because TheMessage now contains the
1546 * encapsulated message instead of the top-level
1547 * message. Isn't that neat?
1552 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1553 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1554 retcode = om_no_such_msg;
1559 /* Ok, output the message now */
1560 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1561 CtdlFreeMessage(TheMessage);
1567 char *qp_encode_email_addrs(char *source)
1569 char user[256], node[256], name[256];
1570 const char headerStr[] = "=?UTF-8?Q?";
1574 int need_to_encode = 0;
1580 long nAddrPtrMax = 50;
1585 if (source == NULL) return source;
1586 if (IsEmptyStr(source)) return source;
1588 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1589 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1590 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1593 while (!IsEmptyStr (&source[i])) {
1594 if (nColons >= nAddrPtrMax){
1597 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1598 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1599 free (AddrPtr), AddrPtr = ptr;
1601 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1602 memset(&ptr[nAddrPtrMax], 0,
1603 sizeof (long) * nAddrPtrMax);
1605 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1606 free (AddrUtf8), AddrUtf8 = ptr;
1609 if (((unsigned char) source[i] < 32) ||
1610 ((unsigned char) source[i] > 126)) {
1612 AddrUtf8[nColons] = 1;
1614 if (source[i] == '"')
1615 InQuotes = !InQuotes;
1616 if (!InQuotes && source[i] == ',') {
1617 AddrPtr[nColons] = i;
1622 if (need_to_encode == 0) {
1629 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1630 Encoded = (char*) malloc (EncodedMaxLen);
1632 for (i = 0; i < nColons; i++)
1633 source[AddrPtr[i]++] = '\0';
1637 for (i = 0; i < nColons && nPtr != NULL; i++) {
1638 nmax = EncodedMaxLen - (nPtr - Encoded);
1640 process_rfc822_addr(&source[AddrPtr[i]],
1644 /* TODO: libIDN here ! */
1645 if (IsEmptyStr(name)) {
1646 n = snprintf(nPtr, nmax,
1647 (i==0)?"%s@%s" : ",%s@%s",
1651 EncodedName = rfc2047encode(name, strlen(name));
1652 n = snprintf(nPtr, nmax,
1653 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1654 EncodedName, user, node);
1659 n = snprintf(nPtr, nmax,
1660 (i==0)?"%s" : ",%s",
1661 &source[AddrPtr[i]]);
1667 ptr = (char*) malloc(EncodedMaxLen * 2);
1668 memcpy(ptr, Encoded, EncodedMaxLen);
1669 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1670 free(Encoded), Encoded = ptr;
1672 i--; /* do it once more with properly lengthened buffer */
1675 for (i = 0; i < nColons; i++)
1676 source[--AddrPtr[i]] = ',';
1683 /* If the last item in a list of recipients was truncated to a partial address,
1684 * remove it completely in order to avoid choking libSieve
1686 void sanitize_truncated_recipient(char *str)
1689 if (num_tokens(str, ',') < 2) return;
1691 int len = strlen(str);
1692 if (len < 900) return;
1693 if (len > 998) str[998] = 0;
1695 char *cptr = strrchr(str, ',');
1698 char *lptr = strchr(cptr, '<');
1699 char *rptr = strchr(cptr, '>');
1701 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1709 * Get a message off disk. (returns om_* values found in msgbase.h)
1711 int CtdlOutputPreLoadedMsg(
1712 struct CtdlMessage *TheMessage,
1713 int mode, /* how would you like that message? */
1714 int headers_only, /* eschew the message body? */
1715 int do_proto, /* do Citadel protocol responses? */
1716 int crlf, /* Use CRLF newlines instead of LF? */
1717 int flags /* should the bessage be exported clean? */
1721 cit_uint8_t ch, prev_ch;
1723 char display_name[256];
1725 const char *nl; /* newline string */
1727 int subject_found = 0;
1730 /* Buffers needed for RFC822 translation. These are all filled
1731 * using functions that are bounds-checked, and therefore we can
1732 * make them substantially smaller than SIZ.
1739 char datestamp[100];
1741 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1742 ((TheMessage == NULL) ? "NULL" : "not null"),
1743 mode, headers_only, do_proto, crlf);
1745 strcpy(mid, "unknown");
1746 nl = (crlf ? "\r\n" : "\n");
1748 if (!is_valid_message(TheMessage)) {
1749 CtdlLogPrintf(CTDL_ERR,
1750 "ERROR: invalid preloaded message for output\n");
1752 return(om_no_such_msg);
1755 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
1756 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
1758 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
1759 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
1762 /* Are we downloading a MIME component? */
1763 if (mode == MT_DOWNLOAD) {
1764 if (TheMessage->cm_format_type != FMT_RFC822) {
1766 cprintf("%d This is not a MIME message.\n",
1767 ERROR + ILLEGAL_VALUE);
1768 } else if (CC->download_fp != NULL) {
1769 if (do_proto) cprintf(
1770 "%d You already have a download open.\n",
1771 ERROR + RESOURCE_BUSY);
1773 /* Parse the message text component */
1774 mptr = TheMessage->cm_fields['M'];
1775 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1776 /* If there's no file open by this time, the requested
1777 * section wasn't found, so print an error
1779 if (CC->download_fp == NULL) {
1780 if (do_proto) cprintf(
1781 "%d Section %s not found.\n",
1782 ERROR + FILE_NOT_FOUND,
1783 CC->download_desired_section);
1786 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1789 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1790 * in a single server operation instead of opening a download file.
1792 if (mode == MT_SPEW_SECTION) {
1793 if (TheMessage->cm_format_type != FMT_RFC822) {
1795 cprintf("%d This is not a MIME message.\n",
1796 ERROR + ILLEGAL_VALUE);
1798 /* Parse the message text component */
1801 mptr = TheMessage->cm_fields['M'];
1802 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1803 /* If section wasn't found, print an error
1806 if (do_proto) cprintf(
1807 "%d Section %s not found.\n",
1808 ERROR + FILE_NOT_FOUND,
1809 CC->download_desired_section);
1812 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1815 /* now for the user-mode message reading loops */
1816 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1818 /* Does the caller want to skip the headers? */
1819 if (headers_only == HEADERS_NONE) goto START_TEXT;
1821 /* Tell the client which format type we're using. */
1822 if ( (mode == MT_CITADEL) && (do_proto) ) {
1823 cprintf("type=%d\n", TheMessage->cm_format_type);
1826 /* nhdr=yes means that we're only displaying headers, no body */
1827 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1828 && ((mode == MT_CITADEL) || (mode == MT_MIME))
1831 cprintf("nhdr=yes\n");
1834 /* begin header processing loop for Citadel message format */
1836 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1838 safestrncpy(display_name, "<unknown>", sizeof display_name);
1839 if (TheMessage->cm_fields['A']) {
1840 strcpy(buf, TheMessage->cm_fields['A']);
1841 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1842 safestrncpy(display_name, "****", sizeof display_name);
1844 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1845 safestrncpy(display_name, "anonymous", sizeof display_name);
1848 safestrncpy(display_name, buf, sizeof display_name);
1850 if ((is_room_aide())
1851 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1852 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1853 size_t tmp = strlen(display_name);
1854 snprintf(&display_name[tmp],
1855 sizeof display_name - tmp,
1860 /* Don't show Internet address for users on the
1861 * local Citadel network.
1864 if (TheMessage->cm_fields['N'] != NULL)
1865 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1866 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1870 /* Now spew the header fields in the order we like them. */
1871 safestrncpy(allkeys, FORDER, sizeof allkeys);
1872 for (i=0; i<strlen(allkeys); ++i) {
1873 k = (int) allkeys[i];
1875 if ( (TheMessage->cm_fields[k] != NULL)
1876 && (msgkeys[k] != NULL) ) {
1877 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1878 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1881 if (do_proto) cprintf("%s=%s\n",
1885 else if ((k == 'F') && (suppress_f)) {
1888 /* Masquerade display name if needed */
1890 if (do_proto) cprintf("%s=%s\n",
1892 TheMessage->cm_fields[k]
1901 /* begin header processing loop for RFC822 transfer format */
1906 strcpy(snode, NODENAME);
1907 if (mode == MT_RFC822) {
1908 for (i = 0; i < 256; ++i) {
1909 if (TheMessage->cm_fields[i]) {
1910 mptr = mpptr = TheMessage->cm_fields[i];
1913 safestrncpy(luser, mptr, sizeof luser);
1914 safestrncpy(suser, mptr, sizeof suser);
1916 else if (i == 'Y') {
1917 if ((flags & QP_EADDR) != 0) {
1918 mptr = qp_encode_email_addrs(mptr);
1920 sanitize_truncated_recipient(mptr);
1921 cprintf("CC: %s%s", mptr, nl);
1923 else if (i == 'P') {
1924 cprintf("Return-Path: %s%s", mptr, nl);
1926 else if (i == 'L') {
1927 cprintf("List-ID: %s%s", mptr, nl);
1929 else if (i == 'V') {
1930 if ((flags & QP_EADDR) != 0)
1931 mptr = qp_encode_email_addrs(mptr);
1932 cprintf("Envelope-To: %s%s", mptr, nl);
1934 else if (i == 'U') {
1935 cprintf("Subject: %s%s", mptr, nl);
1939 safestrncpy(mid, mptr, sizeof mid);
1941 safestrncpy(fuser, mptr, sizeof fuser);
1942 /* else if (i == 'O')
1943 cprintf("X-Citadel-Room: %s%s",
1946 safestrncpy(snode, mptr, sizeof snode);
1949 if (haschar(mptr, '@') == 0)
1951 sanitize_truncated_recipient(mptr);
1952 cprintf("To: %s@%s", mptr, config.c_fqdn);
1957 if ((flags & QP_EADDR) != 0) {
1958 mptr = qp_encode_email_addrs(mptr);
1960 sanitize_truncated_recipient(mptr);
1961 cprintf("To: %s", mptr);
1965 else if (i == 'T') {
1966 datestring(datestamp, sizeof datestamp,
1967 atol(mptr), DATESTRING_RFC822);
1968 cprintf("Date: %s%s", datestamp, nl);
1970 else if (i == 'W') {
1971 cprintf("References: ");
1972 k = num_tokens(mptr, '|');
1973 for (j=0; j<k; ++j) {
1974 extract_token(buf, mptr, j, '|', sizeof buf);
1975 cprintf("<%s>", buf);
1988 if (subject_found == 0) {
1989 cprintf("Subject: (no subject)%s", nl);
1993 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
1994 suser[i] = tolower(suser[i]);
1995 if (!isalnum(suser[i])) suser[i]='_';
1998 if (mode == MT_RFC822) {
1999 if (!strcasecmp(snode, NODENAME)) {
2000 safestrncpy(snode, FQDN, sizeof snode);
2003 /* Construct a fun message id */
2004 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2005 if (strchr(mid, '@')==NULL) {
2006 cprintf("@%s", snode);
2010 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2011 cprintf("From: \"----\" <x@x.org>%s", nl);
2013 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2014 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2016 else if (!IsEmptyStr(fuser)) {
2017 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2020 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2023 /* Blank line signifying RFC822 end-of-headers */
2024 if (TheMessage->cm_format_type != FMT_RFC822) {
2029 /* end header processing loop ... at this point, we're in the text */
2031 if (headers_only == HEADERS_FAST) goto DONE;
2032 mptr = TheMessage->cm_fields['M'];
2034 /* Tell the client about the MIME parts in this message */
2035 if (TheMessage->cm_format_type == FMT_RFC822) {
2036 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2037 memset(&ma, 0, sizeof(struct ma_info));
2038 mime_parser(mptr, NULL,
2039 (do_proto ? *list_this_part : NULL),
2040 (do_proto ? *list_this_pref : NULL),
2041 (do_proto ? *list_this_suff : NULL),
2044 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2045 char *start_of_text = NULL;
2046 start_of_text = strstr(mptr, "\n\r\n");
2047 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
2048 if (start_of_text == NULL) start_of_text = mptr;
2050 start_of_text = strstr(start_of_text, "\n");
2055 int nllen = strlen(nl);
2057 while (ch=*mptr, ch!=0) {
2063 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
2064 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
2065 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
2068 sprintf(&outbuf[outlen], "%s", nl);
2072 outbuf[outlen++] = ch;
2076 if (flags & ESC_DOT)
2078 if ((prev_ch == 10) && (ch == '.') && ((*(mptr+1) == 13) || (*(mptr+1) == 10)))
2080 outbuf[outlen++] = '.';
2085 if (outlen > 1000) {
2086 client_write(outbuf, outlen);
2091 client_write(outbuf, outlen);
2099 if (headers_only == HEADERS_ONLY) {
2103 /* signify start of msg text */
2104 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2105 if (do_proto) cprintf("text\n");
2108 /* If the format type on disk is 1 (fixed-format), then we want
2109 * everything to be output completely literally ... regardless of
2110 * what message transfer format is in use.
2112 if (TheMessage->cm_format_type == FMT_FIXED) {
2115 int nllen = strlen (nl);
2116 if (mode == MT_MIME) {
2117 cprintf("Content-type: text/plain\n\n");
2121 while (ch = *mptr++, ch > 0) {
2125 if ((buflen > 250) && (!xlline)){
2129 while ((buflen > 0) &&
2130 (!isspace(buf[buflen])))
2136 mptr -= tbuflen - buflen;
2141 /* if we reach the outer bounds of our buffer,
2142 abort without respect what whe purge. */
2145 (buflen > SIZ - nllen - 2)))
2149 memcpy (&buf[buflen], nl, nllen);
2153 client_write(buf, buflen);
2163 if (!IsEmptyStr(buf))
2164 cprintf("%s%s", buf, nl);
2167 /* If the message on disk is format 0 (Citadel vari-format), we
2168 * output using the formatter at 80 columns. This is the final output
2169 * form if the transfer format is RFC822, but if the transfer format
2170 * is Citadel proprietary, it'll still work, because the indentation
2171 * for new paragraphs is correct and the client will reformat the
2172 * message to the reader's screen width.
2174 if (TheMessage->cm_format_type == FMT_CITADEL) {
2175 if (mode == MT_MIME) {
2176 cprintf("Content-type: text/x-citadel-variformat\n\n");
2181 /* If the message on disk is format 4 (MIME), we've gotta hand it
2182 * off to the MIME parser. The client has already been told that
2183 * this message is format 1 (fixed format), so the callback function
2184 * we use will display those parts as-is.
2186 if (TheMessage->cm_format_type == FMT_RFC822) {
2187 memset(&ma, 0, sizeof(struct ma_info));
2189 if (mode == MT_MIME) {
2190 ma.use_fo_hooks = 0;
2191 strcpy(ma.chosen_part, "1");
2192 ma.chosen_pref = 9999;
2193 mime_parser(mptr, NULL,
2194 *choose_preferred, *fixed_output_pre,
2195 *fixed_output_post, (void *)&ma, 0);
2196 mime_parser(mptr, NULL,
2197 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2200 ma.use_fo_hooks = 1;
2201 mime_parser(mptr, NULL,
2202 *fixed_output, *fixed_output_pre,
2203 *fixed_output_post, (void *)&ma, 0);
2208 DONE: /* now we're done */
2209 if (do_proto) cprintf("000\n");
2216 * display a message (mode 0 - Citadel proprietary)
2218 void cmd_msg0(char *cmdbuf)
2221 int headers_only = HEADERS_ALL;
2223 msgid = extract_long(cmdbuf, 0);
2224 headers_only = extract_int(cmdbuf, 1);
2226 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2232 * display a message (mode 2 - RFC822)
2234 void cmd_msg2(char *cmdbuf)
2237 int headers_only = HEADERS_ALL;
2239 msgid = extract_long(cmdbuf, 0);
2240 headers_only = extract_int(cmdbuf, 1);
2242 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2248 * display a message (mode 3 - IGnet raw format - internal programs only)
2250 void cmd_msg3(char *cmdbuf)
2253 struct CtdlMessage *msg = NULL;
2256 if (CC->internal_pgm == 0) {
2257 cprintf("%d This command is for internal programs only.\n",
2258 ERROR + HIGHER_ACCESS_REQUIRED);
2262 msgnum = extract_long(cmdbuf, 0);
2263 msg = CtdlFetchMessage(msgnum, 1);
2265 cprintf("%d Message %ld not found.\n",
2266 ERROR + MESSAGE_NOT_FOUND, msgnum);
2270 serialize_message(&smr, msg);
2271 CtdlFreeMessage(msg);
2274 cprintf("%d Unable to serialize message\n",
2275 ERROR + INTERNAL_ERROR);
2279 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2280 client_write((char *)smr.ser, (int)smr.len);
2287 * Display a message using MIME content types
2289 void cmd_msg4(char *cmdbuf)
2294 msgid = extract_long(cmdbuf, 0);
2295 extract_token(section, cmdbuf, 1, '|', sizeof section);
2296 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2302 * Client tells us its preferred message format(s)
2304 void cmd_msgp(char *cmdbuf)
2306 if (!strcasecmp(cmdbuf, "dont_decode")) {
2307 CC->msg4_dont_decode = 1;
2308 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2311 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2312 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2318 * Open a component of a MIME message as a download file
2320 void cmd_opna(char *cmdbuf)
2323 char desired_section[128];
2325 msgid = extract_long(cmdbuf, 0);
2326 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2327 safestrncpy(CC->download_desired_section, desired_section,
2328 sizeof CC->download_desired_section);
2329 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2334 * Open a component of a MIME message and transmit it all at once
2336 void cmd_dlat(char *cmdbuf)
2339 char desired_section[128];
2341 msgid = extract_long(cmdbuf, 0);
2342 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2343 safestrncpy(CC->download_desired_section, desired_section,
2344 sizeof CC->download_desired_section);
2345 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2350 * Save one or more message pointers into a specified room
2351 * (Returns 0 for success, nonzero for failure)
2352 * roomname may be NULL to use the current room
2354 * Note that the 'supplied_msg' field may be set to NULL, in which case
2355 * the message will be fetched from disk, by number, if we need to perform
2356 * replication checks. This adds an additional database read, so if the
2357 * caller already has the message in memory then it should be supplied. (Obviously
2358 * this mode of operation only works if we're saving a single message.)
2360 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2361 int do_repl_check, struct CtdlMessage *supplied_msg)
2364 char hold_rm[ROOMNAMELEN];
2365 struct cdbdata *cdbfr;
2368 long highest_msg = 0L;
2371 struct CtdlMessage *msg = NULL;
2373 long *msgs_to_be_merged = NULL;
2374 int num_msgs_to_be_merged = 0;
2376 CtdlLogPrintf(CTDL_DEBUG,
2377 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2378 roomname, num_newmsgs, do_repl_check);
2380 strcpy(hold_rm, CC->room.QRname);
2383 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2384 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2385 if (num_newmsgs > 1) supplied_msg = NULL;
2387 /* Now the regular stuff */
2388 if (CtdlGetRoomLock(&CC->room,
2389 ((roomname != NULL) ? roomname : CC->room.QRname) )
2391 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2392 return(ERROR + ROOM_NOT_FOUND);
2396 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2397 num_msgs_to_be_merged = 0;
2400 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2401 if (cdbfr == NULL) {
2405 msglist = (long *) cdbfr->ptr;
2406 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2407 num_msgs = cdbfr->len / sizeof(long);
2412 /* Create a list of msgid's which were supplied by the caller, but do
2413 * not already exist in the target room. It is absolutely taboo to
2414 * have more than one reference to the same message in a room.
2416 for (i=0; i<num_newmsgs; ++i) {
2418 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2419 if (msglist[j] == newmsgidlist[i]) {
2424 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2428 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2431 * Now merge the new messages
2433 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2434 if (msglist == NULL) {
2435 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2437 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2438 num_msgs += num_msgs_to_be_merged;
2440 /* Sort the message list, so all the msgid's are in order */
2441 num_msgs = sort_msglist(msglist, num_msgs);
2443 /* Determine the highest message number */
2444 highest_msg = msglist[num_msgs - 1];
2446 /* Write it back to disk. */
2447 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2448 msglist, (int)(num_msgs * sizeof(long)));
2450 /* Free up the memory we used. */
2453 /* Update the highest-message pointer and unlock the room. */
2454 CC->room.QRhighest = highest_msg;
2455 CtdlPutRoomLock(&CC->room);
2457 /* Perform replication checks if necessary */
2458 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2459 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2461 for (i=0; i<num_msgs_to_be_merged; ++i) {
2462 msgid = msgs_to_be_merged[i];
2464 if (supplied_msg != NULL) {
2468 msg = CtdlFetchMessage(msgid, 0);
2472 ReplicationChecks(msg);
2474 /* If the message has an Exclusive ID, index that... */
2475 if (msg->cm_fields['E'] != NULL) {
2476 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2479 /* Free up the memory we may have allocated */
2480 if (msg != supplied_msg) {
2481 CtdlFreeMessage(msg);
2489 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2492 /* Submit this room for processing by hooks */
2493 PerformRoomHooks(&CC->room);
2495 /* Go back to the room we were in before we wandered here... */
2496 CtdlGetRoom(&CC->room, hold_rm);
2498 /* Bump the reference count for all messages which were merged */
2499 for (i=0; i<num_msgs_to_be_merged; ++i) {
2500 AdjRefCount(msgs_to_be_merged[i], +1);
2503 /* Free up memory... */
2504 if (msgs_to_be_merged != NULL) {
2505 free(msgs_to_be_merged);
2508 /* Return success. */
2514 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2517 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2518 int do_repl_check, struct CtdlMessage *supplied_msg)
2520 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2527 * Message base operation to save a new message to the message store
2528 * (returns new message number)
2530 * This is the back end for CtdlSubmitMsg() and should not be directly
2531 * called by server-side modules.
2534 long send_message(struct CtdlMessage *msg) {
2542 /* Get a new message number */
2543 newmsgid = get_new_message_number();
2544 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2546 /* Generate an ID if we don't have one already */
2547 if (msg->cm_fields['I']==NULL) {
2548 msg->cm_fields['I'] = strdup(msgidbuf);
2551 /* If the message is big, set its body aside for storage elsewhere */
2552 if (msg->cm_fields['M'] != NULL) {
2553 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2555 holdM = msg->cm_fields['M'];
2556 msg->cm_fields['M'] = NULL;
2560 /* Serialize our data structure for storage in the database */
2561 serialize_message(&smr, msg);
2564 msg->cm_fields['M'] = holdM;
2568 cprintf("%d Unable to serialize message\n",
2569 ERROR + INTERNAL_ERROR);
2573 /* Write our little bundle of joy into the message base */
2574 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2575 smr.ser, smr.len) < 0) {
2576 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2580 cdb_store(CDB_BIGMSGS,
2590 /* Free the memory we used for the serialized message */
2593 /* Return the *local* message ID to the caller
2594 * (even if we're storing an incoming network message)
2602 * Serialize a struct CtdlMessage into the format used on disk and network.
2604 * This function loads up a "struct ser_ret" (defined in server.h) which
2605 * contains the length of the serialized message and a pointer to the
2606 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2608 void serialize_message(struct ser_ret *ret, /* return values */
2609 struct CtdlMessage *msg) /* unserialized msg */
2611 size_t wlen, fieldlen;
2613 static char *forder = FORDER;
2616 * Check for valid message format
2618 if (is_valid_message(msg) == 0) {
2619 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2626 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2627 ret->len = ret->len +
2628 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2630 ret->ser = malloc(ret->len);
2631 if (ret->ser == NULL) {
2632 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2633 (long)ret->len, strerror(errno));
2640 ret->ser[1] = msg->cm_anon_type;
2641 ret->ser[2] = msg->cm_format_type;
2644 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2645 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2646 ret->ser[wlen++] = (char)forder[i];
2647 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2648 wlen = wlen + fieldlen + 1;
2650 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2651 (long)ret->len, (long)wlen);
2658 * Serialize a struct CtdlMessage into the format used on disk and network.
2660 * This function loads up a "struct ser_ret" (defined in server.h) which
2661 * contains the length of the serialized message and a pointer to the
2662 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2664 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2665 long Siz) /* how many chars ? */
2669 static char *forder = FORDER;
2673 * Check for valid message format
2675 if (is_valid_message(msg) == 0) {
2676 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2680 buf = (char*) malloc (Siz + 1);
2684 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2685 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2686 msg->cm_fields[(int)forder[i]]);
2687 client_write (buf, strlen(buf));
2696 * Check to see if any messages already exist in the current room which
2697 * carry the same Exclusive ID as this one. If any are found, delete them.
2699 void ReplicationChecks(struct CtdlMessage *msg) {
2700 long old_msgnum = (-1L);
2702 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2704 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2707 /* No exclusive id? Don't do anything. */
2708 if (msg == NULL) return;
2709 if (msg->cm_fields['E'] == NULL) return;
2710 if (IsEmptyStr(msg->cm_fields['E'])) return;
2711 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2712 msg->cm_fields['E'], CC->room.QRname);*/
2714 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2715 if (old_msgnum > 0L) {
2716 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2717 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2724 * Save a message to disk and submit it into the delivery system.
2726 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2727 struct recptypes *recps, /* recipients (if mail) */
2728 char *force, /* force a particular room? */
2729 int flags /* should the message be exported clean? */
2731 char submit_filename[128];
2732 char generated_timestamp[32];
2733 char hold_rm[ROOMNAMELEN];
2734 char actual_rm[ROOMNAMELEN];
2735 char force_room[ROOMNAMELEN];
2736 char content_type[SIZ]; /* We have to learn this */
2737 char recipient[SIZ];
2739 const char *mptr = NULL;
2740 struct ctdluser userbuf;
2742 struct MetaData smi;
2743 FILE *network_fp = NULL;
2744 static int seqnum = 1;
2745 struct CtdlMessage *imsg = NULL;
2747 size_t instr_alloc = 0;
2749 char *hold_R, *hold_D;
2750 char *collected_addresses = NULL;
2751 struct addresses_to_be_filed *aptr = NULL;
2752 char *saved_rfc822_version = NULL;
2753 int qualified_for_journaling = 0;
2754 CitContext *CCC = CC; /* CachedCitContext - performance boost */
2755 char bounce_to[1024] = "";
2759 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2760 if (is_valid_message(msg) == 0) return(-1); /* self check */
2762 /* If this message has no timestamp, we take the liberty of
2763 * giving it one, right now.
2765 if (msg->cm_fields['T'] == NULL) {
2766 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2767 msg->cm_fields['T'] = strdup(generated_timestamp);
2770 /* If this message has no path, we generate one.
2772 if (msg->cm_fields['P'] == NULL) {
2773 if (msg->cm_fields['A'] != NULL) {
2774 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2775 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2776 if (isspace(msg->cm_fields['P'][a])) {
2777 msg->cm_fields['P'][a] = ' ';
2782 msg->cm_fields['P'] = strdup("unknown");
2786 if (force == NULL) {
2787 strcpy(force_room, "");
2790 strcpy(force_room, force);
2793 /* Learn about what's inside, because it's what's inside that counts */
2794 if (msg->cm_fields['M'] == NULL) {
2795 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2799 switch (msg->cm_format_type) {
2801 strcpy(content_type, "text/x-citadel-variformat");
2804 strcpy(content_type, "text/plain");
2807 strcpy(content_type, "text/plain");
2808 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2811 safestrncpy(content_type, &mptr[13], sizeof content_type);
2812 striplt(content_type);
2813 aptr = content_type;
2814 while (!IsEmptyStr(aptr)) {
2826 /* Goto the correct room */
2827 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2828 strcpy(hold_rm, CCC->room.QRname);
2829 strcpy(actual_rm, CCC->room.QRname);
2830 if (recps != NULL) {
2831 strcpy(actual_rm, SENTITEMS);
2834 /* If the user is a twit, move to the twit room for posting */
2836 if (CCC->user.axlevel == AxProbU) {
2837 strcpy(hold_rm, actual_rm);
2838 strcpy(actual_rm, config.c_twitroom);
2839 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2843 /* ...or if this message is destined for Aide> then go there. */
2844 if (!IsEmptyStr(force_room)) {
2845 strcpy(actual_rm, force_room);
2848 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2849 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2850 /* CtdlGetRoom(&CCC->room, actual_rm); */
2851 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
2855 * If this message has no O (room) field, generate one.
2857 if (msg->cm_fields['O'] == NULL) {
2858 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2861 /* Perform "before save" hooks (aborting if any return nonzero) */
2862 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2863 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2866 * If this message has an Exclusive ID, and the room is replication
2867 * checking enabled, then do replication checks.
2869 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2870 ReplicationChecks(msg);
2873 /* Save it to disk */
2874 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2875 newmsgid = send_message(msg);
2876 if (newmsgid <= 0L) return(-5);
2878 /* Write a supplemental message info record. This doesn't have to
2879 * be a critical section because nobody else knows about this message
2882 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2883 memset(&smi, 0, sizeof(struct MetaData));
2884 smi.meta_msgnum = newmsgid;
2885 smi.meta_refcount = 0;
2886 safestrncpy(smi.meta_content_type, content_type,
2887 sizeof smi.meta_content_type);
2890 * Measure how big this message will be when rendered as RFC822.
2891 * We do this for two reasons:
2892 * 1. We need the RFC822 length for the new metadata record, so the
2893 * POP and IMAP services don't have to calculate message lengths
2894 * while the user is waiting (multiplied by potentially hundreds
2895 * or thousands of messages).
2896 * 2. If journaling is enabled, we will need an RFC822 version of the
2897 * message to attach to the journalized copy.
2899 if (CCC->redirect_buffer != NULL) {
2900 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2903 CCC->redirect_buffer = malloc(SIZ);
2904 CCC->redirect_len = 0;
2905 CCC->redirect_alloc = SIZ;
2906 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2907 smi.meta_rfc822_length = CCC->redirect_len;
2908 saved_rfc822_version = CCC->redirect_buffer;
2909 CCC->redirect_buffer = NULL;
2910 CCC->redirect_len = 0;
2911 CCC->redirect_alloc = 0;
2915 /* Now figure out where to store the pointers */
2916 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2918 /* If this is being done by the networker delivering a private
2919 * message, we want to BYPASS saving the sender's copy (because there
2920 * is no local sender; it would otherwise go to the Trashcan).
2922 if ((!CCC->internal_pgm) || (recps == NULL)) {
2923 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2924 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2925 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2929 /* For internet mail, drop a copy in the outbound queue room */
2930 if ((recps != NULL) && (recps->num_internet > 0)) {
2931 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2934 /* If other rooms are specified, drop them there too. */
2935 if ((recps != NULL) && (recps->num_room > 0))
2936 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2937 extract_token(recipient, recps->recp_room, i,
2938 '|', sizeof recipient);
2939 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2940 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2943 /* Bump this user's messages posted counter. */
2944 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2945 CtdlGetUserLock(&CCC->user, CCC->curr_user);
2946 CCC->user.posted = CCC->user.posted + 1;
2947 CtdlPutUserLock(&CCC->user);
2949 /* Decide where bounces need to be delivered */
2950 if ((recps != NULL) && (recps->bounce_to != NULL)) {
2951 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
2953 else if (CCC->logged_in) {
2954 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
2957 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
2960 /* If this is private, local mail, make a copy in the
2961 * recipient's mailbox and bump the reference count.
2963 if ((recps != NULL) && (recps->num_local > 0))
2964 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2965 extract_token(recipient, recps->recp_local, i,
2966 '|', sizeof recipient);
2967 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2969 if (CtdlGetUser(&userbuf, recipient) == 0) {
2970 // Add a flag so the Funambol module knows its mail
2971 msg->cm_fields['W'] = strdup(recipient);
2972 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2973 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
2974 CtdlBumpNewMailCounter(userbuf.usernum);
2975 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
2976 /* Generate a instruction message for the Funambol notification
2977 * server, in the same style as the SMTP queue
2980 instr = malloc(instr_alloc);
2981 snprintf(instr, instr_alloc,
2982 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2984 SPOOLMIME, newmsgid, (long)time(NULL),
2988 imsg = malloc(sizeof(struct CtdlMessage));
2989 memset(imsg, 0, sizeof(struct CtdlMessage));
2990 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2991 imsg->cm_anon_type = MES_NORMAL;
2992 imsg->cm_format_type = FMT_RFC822;
2993 imsg->cm_fields['A'] = strdup("Citadel");
2994 imsg->cm_fields['J'] = strdup("do not journal");
2995 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
2996 imsg->cm_fields['W'] = strdup(recipient);
2997 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
2998 CtdlFreeMessage(imsg);
3002 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
3003 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3008 /* Perform "after save" hooks */
3009 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
3010 PerformMessageHooks(msg, EVT_AFTERSAVE);
3012 /* For IGnet mail, we have to save a new copy into the spooler for
3013 * each recipient, with the R and D fields set to the recipient and
3014 * destination-node. This has two ugly side effects: all other
3015 * recipients end up being unlisted in this recipient's copy of the
3016 * message, and it has to deliver multiple messages to the same
3017 * node. We'll revisit this again in a year or so when everyone has
3018 * a network spool receiver that can handle the new style messages.
3020 if ((recps != NULL) && (recps->num_ignet > 0))
3021 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3022 extract_token(recipient, recps->recp_ignet, i,
3023 '|', sizeof recipient);
3025 hold_R = msg->cm_fields['R'];
3026 hold_D = msg->cm_fields['D'];
3027 msg->cm_fields['R'] = malloc(SIZ);
3028 msg->cm_fields['D'] = malloc(128);
3029 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3030 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3032 serialize_message(&smr, msg);
3034 snprintf(submit_filename, sizeof submit_filename,
3035 "%s/netmail.%04lx.%04x.%04x",
3037 (long) getpid(), CCC->cs_pid, ++seqnum);
3038 network_fp = fopen(submit_filename, "wb+");
3039 if (network_fp != NULL) {
3040 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3046 free(msg->cm_fields['R']);
3047 free(msg->cm_fields['D']);
3048 msg->cm_fields['R'] = hold_R;
3049 msg->cm_fields['D'] = hold_D;
3052 /* Go back to the room we started from */
3053 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
3054 if (strcasecmp(hold_rm, CCC->room.QRname))
3055 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3057 /* For internet mail, generate delivery instructions.
3058 * Yes, this is recursive. Deal with it. Infinite recursion does
3059 * not happen because the delivery instructions message does not
3060 * contain a recipient.
3062 if ((recps != NULL) && (recps->num_internet > 0)) {
3063 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
3065 instr = malloc(instr_alloc);
3066 snprintf(instr, instr_alloc,
3067 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3069 SPOOLMIME, newmsgid, (long)time(NULL),
3073 if (recps->envelope_from != NULL) {
3074 tmp = strlen(instr);
3075 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3078 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3079 tmp = strlen(instr);
3080 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3081 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3082 instr_alloc = instr_alloc * 2;
3083 instr = realloc(instr, instr_alloc);
3085 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3088 imsg = malloc(sizeof(struct CtdlMessage));
3089 memset(imsg, 0, sizeof(struct CtdlMessage));
3090 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3091 imsg->cm_anon_type = MES_NORMAL;
3092 imsg->cm_format_type = FMT_RFC822;
3093 imsg->cm_fields['A'] = strdup("Citadel");
3094 imsg->cm_fields['J'] = strdup("do not journal");
3095 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3096 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3097 CtdlFreeMessage(imsg);
3101 * Any addresses to harvest for someone's address book?
3103 if ( (CCC->logged_in) && (recps != NULL) ) {
3104 collected_addresses = harvest_collected_addresses(msg);
3107 if (collected_addresses != NULL) {
3108 aptr = (struct addresses_to_be_filed *)
3109 malloc(sizeof(struct addresses_to_be_filed));
3110 CtdlMailboxName(actual_rm, sizeof actual_rm,
3111 &CCC->user, USERCONTACTSROOM);
3112 aptr->roomname = strdup(actual_rm);
3113 aptr->collected_addresses = collected_addresses;
3114 begin_critical_section(S_ATBF);
3117 end_critical_section(S_ATBF);
3121 * Determine whether this message qualifies for journaling.
3123 if (msg->cm_fields['J'] != NULL) {
3124 qualified_for_journaling = 0;
3127 if (recps == NULL) {
3128 qualified_for_journaling = config.c_journal_pubmsgs;
3130 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3131 qualified_for_journaling = config.c_journal_email;
3134 qualified_for_journaling = config.c_journal_pubmsgs;
3139 * Do we have to perform journaling? If so, hand off the saved
3140 * RFC822 version will be handed off to the journaler for background
3141 * submit. Otherwise, we have to free the memory ourselves.
3143 if (saved_rfc822_version != NULL) {
3144 if (qualified_for_journaling) {
3145 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3148 free(saved_rfc822_version);
3158 void aide_message (char *text, char *subject)
3160 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3165 * Convenience function for generating small administrative messages.
3167 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3168 int format_type, const char *subject)
3170 struct CtdlMessage *msg;
3171 struct recptypes *recp = NULL;
3173 msg = malloc(sizeof(struct CtdlMessage));
3174 memset(msg, 0, sizeof(struct CtdlMessage));
3175 msg->cm_magic = CTDLMESSAGE_MAGIC;
3176 msg->cm_anon_type = MES_NORMAL;
3177 msg->cm_format_type = format_type;
3180 msg->cm_fields['A'] = strdup(from);
3182 else if (fromaddr != NULL) {
3183 msg->cm_fields['A'] = strdup(fromaddr);
3184 if (strchr(msg->cm_fields['A'], '@')) {
3185 *strchr(msg->cm_fields['A'], '@') = 0;
3189 msg->cm_fields['A'] = strdup("Citadel");
3192 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3193 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3194 msg->cm_fields['N'] = strdup(NODENAME);
3196 msg->cm_fields['R'] = strdup(to);
3197 recp = validate_recipients(to, NULL, 0);
3199 if (subject != NULL) {
3200 msg->cm_fields['U'] = strdup(subject);
3202 msg->cm_fields['M'] = strdup(text);
3204 CtdlSubmitMsg(msg, recp, room, 0);
3205 CtdlFreeMessage(msg);
3206 if (recp != NULL) free_recipients(recp);
3212 * Back end function used by CtdlMakeMessage() and similar functions
3214 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3216 size_t maxlen, /* maximum message length */
3217 char *exist, /* if non-null, append to it;
3218 exist is ALWAYS freed */
3219 int crlf, /* CRLF newlines instead of LF */
3220 int *sock /* socket handle or 0 for this session's client socket */
3229 LineBuf = NewStrBufPlain(NULL, SIZ);
3230 if (exist == NULL) {
3231 Message = NewStrBufPlain(NULL, 4 * SIZ);
3234 Message = NewStrBufPlain(exist, -1);
3238 /* Do we need to change leading ".." to "." for SMTP escaping? */
3239 if ((tlen == 1) && (*terminator == '.')) {
3243 /* read in the lines of message text one by one */
3246 if ((CtdlSockGetLine(sock, LineBuf) < 0) ||
3251 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3253 if ((StrLength(LineBuf) == tlen) &&
3254 (!strcmp(ChrPtr(LineBuf), terminator)))
3257 if ( (!flushing) && (!finished) ) {
3259 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3262 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3265 /* Unescape SMTP-style input of two dots at the beginning of the line */
3267 (StrLength(LineBuf) == 2) &&
3268 (!strcmp(ChrPtr(LineBuf), "..")))
3270 StrBufCutLeft(LineBuf, 1);
3273 StrBufAppendBuf(Message, LineBuf, 0);
3276 /* if we've hit the max msg length, flush the rest */
3277 if (StrLength(Message) >= maxlen) flushing = 1;
3279 } while (!finished);
3280 FreeStrBuf(&LineBuf);
3286 * Back end function used by CtdlMakeMessage() and similar functions
3288 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3290 size_t maxlen, /* maximum message length */
3291 char *exist, /* if non-null, append to it;
3292 exist is ALWAYS freed */
3293 int crlf, /* CRLF newlines instead of LF */
3294 int *sock /* socket handle or 0 for this session's client socket */
3299 Message = CtdlReadMessageBodyBuf(terminator,
3305 if (Message == NULL)
3308 return SmashStrBuf(&Message);
3313 * Build a binary message to be saved on disk.
3314 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3315 * will become part of the message. This means you are no longer
3316 * responsible for managing that memory -- it will be freed along with
3317 * the rest of the fields when CtdlFreeMessage() is called.)
3320 struct CtdlMessage *CtdlMakeMessage(
3321 struct ctdluser *author, /* author's user structure */
3322 char *recipient, /* NULL if it's not mail */
3323 char *recp_cc, /* NULL if it's not mail */
3324 char *room, /* room where it's going */
3325 int type, /* see MES_ types in header file */
3326 int format_type, /* variformat, plain text, MIME... */
3327 char *fake_name, /* who we're masquerading as */
3328 char *my_email, /* which of my email addresses to use (empty is ok) */
3329 char *subject, /* Subject (optional) */
3330 char *supplied_euid, /* ...or NULL if this is irrelevant */
3331 char *preformatted_text, /* ...or NULL to read text from client */
3332 char *references /* Thread references */
3334 char dest_node[256];
3336 struct CtdlMessage *msg;
3338 msg = malloc(sizeof(struct CtdlMessage));
3339 memset(msg, 0, sizeof(struct CtdlMessage));
3340 msg->cm_magic = CTDLMESSAGE_MAGIC;
3341 msg->cm_anon_type = type;
3342 msg->cm_format_type = format_type;
3344 /* Don't confuse the poor folks if it's not routed mail. */
3345 strcpy(dest_node, "");
3347 if (recipient != NULL) striplt(recipient);
3348 if (recp_cc != NULL) striplt(recp_cc);
3350 /* Path or Return-Path */
3351 if (my_email == NULL) my_email = "";
3353 if (!IsEmptyStr(my_email)) {
3354 msg->cm_fields['P'] = strdup(my_email);
3357 snprintf(buf, sizeof buf, "%s", author->fullname);
3358 msg->cm_fields['P'] = strdup(buf);
3360 convert_spaces_to_underscores(msg->cm_fields['P']);
3362 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3363 msg->cm_fields['T'] = strdup(buf);
3365 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3366 msg->cm_fields['A'] = strdup(fake_name);
3369 msg->cm_fields['A'] = strdup(author->fullname);
3372 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3373 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3376 msg->cm_fields['O'] = strdup(CC->room.QRname);
3379 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3380 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3382 if ((recipient != NULL) && (recipient[0] != 0)) {
3383 msg->cm_fields['R'] = strdup(recipient);
3385 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3386 msg->cm_fields['Y'] = strdup(recp_cc);
3388 if (dest_node[0] != 0) {
3389 msg->cm_fields['D'] = strdup(dest_node);
3392 if (!IsEmptyStr(my_email)) {
3393 msg->cm_fields['F'] = strdup(my_email);
3395 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3396 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3399 if (subject != NULL) {
3402 length = strlen(subject);
3408 while ((subject[i] != '\0') &&
3409 (IsAscii = isascii(subject[i]) != 0 ))
3412 msg->cm_fields['U'] = strdup(subject);
3413 else /* ok, we've got utf8 in the string. */
3415 msg->cm_fields['U'] = rfc2047encode(subject, length);
3421 if (supplied_euid != NULL) {
3422 msg->cm_fields['E'] = strdup(supplied_euid);
3425 if (references != NULL) {
3426 if (!IsEmptyStr(references)) {
3427 msg->cm_fields['W'] = strdup(references);
3431 if (preformatted_text != NULL) {
3432 msg->cm_fields['M'] = preformatted_text;
3435 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3443 * Check to see whether we have permission to post a message in the current
3444 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3445 * returns 0 on success.
3447 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3449 const char* RemoteIdentifier,
3453 if (!(CC->logged_in) &&
3454 (PostPublic == POST_LOGGED_IN)) {
3455 snprintf(errmsgbuf, n, "Not logged in.");
3456 return (ERROR + NOT_LOGGED_IN);
3458 else if (PostPublic == CHECK_EXISTANCE) {
3459 return (0); // We're Evaling whether a recipient exists
3461 else if (!(CC->logged_in)) {
3463 if ((CC->room.QRflags & QR_READONLY)) {
3464 snprintf(errmsgbuf, n, "Not logged in.");
3465 return (ERROR + NOT_LOGGED_IN);
3467 if (CC->room.QRflags2 & QR2_MODERATED) {
3468 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3469 return (ERROR + NOT_LOGGED_IN);
3471 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3476 if (RemoteIdentifier == NULL)
3478 snprintf(errmsgbuf, n, "Need sender to permit access.");
3479 return (ERROR + USERNAME_REQUIRED);
3482 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3483 begin_critical_section(S_NETCONFIGS);
3484 if (!read_spoolcontrol_file(&sc, filename))
3486 end_critical_section(S_NETCONFIGS);
3487 snprintf(errmsgbuf, n,
3488 "This mailing list only accepts posts from subscribers.");
3489 return (ERROR + NO_SUCH_USER);
3491 end_critical_section(S_NETCONFIGS);
3492 found = is_recipient (sc, RemoteIdentifier);
3493 free_spoolcontrol_struct(&sc);
3498 snprintf(errmsgbuf, n,
3499 "This mailing list only accepts posts from subscribers.");
3500 return (ERROR + NO_SUCH_USER);
3507 if ((CC->user.axlevel < AxProbU)
3508 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3509 snprintf(errmsgbuf, n, "Need to be validated to enter "
3510 "(except in %s> to sysop)", MAILROOM);
3511 return (ERROR + HIGHER_ACCESS_REQUIRED);
3514 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3515 if (!(ra & UA_POSTALLOWED)) {
3516 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3517 return (ERROR + HIGHER_ACCESS_REQUIRED);
3520 strcpy(errmsgbuf, "Ok");
3526 * Check to see if the specified user has Internet mail permission
3527 * (returns nonzero if permission is granted)
3529 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3531 /* Do not allow twits to send Internet mail */
3532 if (who->axlevel <= AxProbU) return(0);
3534 /* Globally enabled? */
3535 if (config.c_restrict == 0) return(1);
3537 /* User flagged ok? */
3538 if (who->flags & US_INTERNET) return(2);
3540 /* Aide level access? */
3541 if (who->axlevel >= AxAideU) return(3);
3543 /* No mail for you! */
3549 * Validate recipients, count delivery types and errors, and handle aliasing
3550 * FIXME check for dupes!!!!!
3552 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3553 * were specified, or the number of addresses found invalid.
3555 * Caller needs to free the result using free_recipients()
3557 struct recptypes *validate_recipients(const char *supplied_recipients,
3558 const char *RemoteIdentifier,
3560 struct recptypes *ret;
3561 char *recipients = NULL;
3562 char this_recp[256];
3563 char this_recp_cooked[256];
3569 struct ctdluser tempUS;
3570 struct ctdlroom tempQR;
3571 struct ctdlroom tempQR2;
3577 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3578 if (ret == NULL) return(NULL);
3580 /* Set all strings to null and numeric values to zero */
3581 memset(ret, 0, sizeof(struct recptypes));
3583 if (supplied_recipients == NULL) {
3584 recipients = strdup("");
3587 recipients = strdup(supplied_recipients);
3590 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3591 * actually need, but it's healthier for the heap than doing lots of tiny
3592 * realloc() calls instead.
3595 ret->errormsg = malloc(strlen(recipients) + 1024);
3596 ret->recp_local = malloc(strlen(recipients) + 1024);
3597 ret->recp_internet = malloc(strlen(recipients) + 1024);
3598 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3599 ret->recp_room = malloc(strlen(recipients) + 1024);
3600 ret->display_recp = malloc(strlen(recipients) + 1024);
3602 ret->errormsg[0] = 0;
3603 ret->recp_local[0] = 0;
3604 ret->recp_internet[0] = 0;
3605 ret->recp_ignet[0] = 0;
3606 ret->recp_room[0] = 0;
3607 ret->display_recp[0] = 0;
3609 ret->recptypes_magic = RECPTYPES_MAGIC;
3611 /* Change all valid separator characters to commas */
3612 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3613 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3614 recipients[i] = ',';
3618 /* Now start extracting recipients... */
3620 while (!IsEmptyStr(recipients)) {
3622 for (i=0; i<=strlen(recipients); ++i) {
3623 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3624 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3625 safestrncpy(this_recp, recipients, i+1);
3627 if (recipients[i] == ',') {
3628 strcpy(recipients, &recipients[i+1]);
3631 strcpy(recipients, "");
3638 if (IsEmptyStr(this_recp))
3640 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3642 mailtype = alias(this_recp);
3643 mailtype = alias(this_recp);
3644 mailtype = alias(this_recp);
3646 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3647 if (this_recp[j]=='_') {
3648 this_recp_cooked[j] = ' ';
3651 this_recp_cooked[j] = this_recp[j];
3654 this_recp_cooked[j] = '\0';
3659 if (!strcasecmp(this_recp, "sysop")) {
3661 strcpy(this_recp, config.c_aideroom);
3662 if (!IsEmptyStr(ret->recp_room)) {
3663 strcat(ret->recp_room, "|");
3665 strcat(ret->recp_room, this_recp);
3667 else if ( (!strncasecmp(this_recp, "room_", 5))
3668 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3670 /* Save room so we can restore it later */
3674 /* Check permissions to send mail to this room */
3675 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3687 if (!IsEmptyStr(ret->recp_room)) {
3688 strcat(ret->recp_room, "|");
3690 strcat(ret->recp_room, &this_recp_cooked[5]);
3693 /* Restore room in case something needs it */
3697 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3699 strcpy(this_recp, tempUS.fullname);
3700 if (!IsEmptyStr(ret->recp_local)) {
3701 strcat(ret->recp_local, "|");
3703 strcat(ret->recp_local, this_recp);
3705 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3707 strcpy(this_recp, tempUS.fullname);
3708 if (!IsEmptyStr(ret->recp_local)) {
3709 strcat(ret->recp_local, "|");
3711 strcat(ret->recp_local, this_recp);
3719 /* Yes, you're reading this correctly: if the target
3720 * domain points back to the local system or an attached
3721 * Citadel directory, the address is invalid. That's
3722 * because if the address were valid, we would have
3723 * already translated it to a local address by now.
3725 if (IsDirectory(this_recp, 0)) {
3730 ++ret->num_internet;
3731 if (!IsEmptyStr(ret->recp_internet)) {
3732 strcat(ret->recp_internet, "|");
3734 strcat(ret->recp_internet, this_recp);
3739 if (!IsEmptyStr(ret->recp_ignet)) {
3740 strcat(ret->recp_ignet, "|");
3742 strcat(ret->recp_ignet, this_recp);
3750 if (IsEmptyStr(errmsg)) {
3751 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3754 snprintf(append, sizeof append, "%s", errmsg);
3756 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3757 if (!IsEmptyStr(ret->errormsg)) {
3758 strcat(ret->errormsg, "; ");
3760 strcat(ret->errormsg, append);
3764 if (IsEmptyStr(ret->display_recp)) {
3765 strcpy(append, this_recp);
3768 snprintf(append, sizeof append, ", %s", this_recp);
3770 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3771 strcat(ret->display_recp, append);
3776 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3777 ret->num_room + ret->num_error) == 0) {
3778 ret->num_error = (-1);
3779 strcpy(ret->errormsg, "No recipients specified.");
3782 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3783 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3784 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3785 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3786 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3787 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3795 * Destructor for struct recptypes
3797 void free_recipients(struct recptypes *valid) {
3799 if (valid == NULL) {
3803 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3804 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3808 if (valid->errormsg != NULL) free(valid->errormsg);
3809 if (valid->recp_local != NULL) free(valid->recp_local);
3810 if (valid->recp_internet != NULL) free(valid->recp_internet);
3811 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3812 if (valid->recp_room != NULL) free(valid->recp_room);
3813 if (valid->display_recp != NULL) free(valid->display_recp);
3814 if (valid->bounce_to != NULL) free(valid->bounce_to);
3815 if (valid->envelope_from != NULL) free(valid->envelope_from);
3822 * message entry - mode 0 (normal)
3824 void cmd_ent0(char *entargs)
3830 char supplied_euid[128];
3832 int format_type = 0;
3833 char newusername[256];
3834 char newuseremail[256];
3835 struct CtdlMessage *msg;
3839 struct recptypes *valid = NULL;
3840 struct recptypes *valid_to = NULL;
3841 struct recptypes *valid_cc = NULL;
3842 struct recptypes *valid_bcc = NULL;
3844 int subject_required = 0;
3849 int newuseremail_ok = 0;
3850 char references[SIZ];
3855 post = extract_int(entargs, 0);
3856 extract_token(recp, entargs, 1, '|', sizeof recp);
3857 anon_flag = extract_int(entargs, 2);
3858 format_type = extract_int(entargs, 3);
3859 extract_token(subject, entargs, 4, '|', sizeof subject);
3860 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3861 do_confirm = extract_int(entargs, 6);
3862 extract_token(cc, entargs, 7, '|', sizeof cc);
3863 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3864 switch(CC->room.QRdefaultview) {
3867 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3870 supplied_euid[0] = 0;
3873 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3874 extract_token(references, entargs, 11, '|', sizeof references);
3875 for (ptr=references; *ptr != 0; ++ptr) {
3876 if (*ptr == '!') *ptr = '|';
3879 /* first check to make sure the request is valid. */
3881 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3884 cprintf("%d %s\n", err, errmsg);
3888 /* Check some other permission type things. */
3890 if (IsEmptyStr(newusername)) {
3891 strcpy(newusername, CC->user.fullname);
3893 if ( (CC->user.axlevel < AxAideU)
3894 && (strcasecmp(newusername, CC->user.fullname))
3895 && (strcasecmp(newusername, CC->cs_inet_fn))
3897 cprintf("%d You don't have permission to author messages as '%s'.\n",
3898 ERROR + HIGHER_ACCESS_REQUIRED,
3905 if (IsEmptyStr(newuseremail)) {
3906 newuseremail_ok = 1;
3909 if (!IsEmptyStr(newuseremail)) {
3910 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3911 newuseremail_ok = 1;
3913 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3914 j = num_tokens(CC->cs_inet_other_emails, '|');
3915 for (i=0; i<j; ++i) {
3916 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3917 if (!strcasecmp(newuseremail, buf)) {
3918 newuseremail_ok = 1;
3924 if (!newuseremail_ok) {
3925 cprintf("%d You don't have permission to author messages as '%s'.\n",
3926 ERROR + HIGHER_ACCESS_REQUIRED,
3932 CC->cs_flags |= CS_POSTING;
3934 /* In mailbox rooms we have to behave a little differently --
3935 * make sure the user has specified at least one recipient. Then
3936 * validate the recipient(s). We do this for the Mail> room, as
3937 * well as any room which has the "Mailbox" view set.
3940 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3941 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3943 if (CC->user.axlevel < AxProbU) {
3944 strcpy(recp, "sysop");
3949 valid_to = validate_recipients(recp, NULL, 0);
3950 if (valid_to->num_error > 0) {
3951 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3952 free_recipients(valid_to);
3956 valid_cc = validate_recipients(cc, NULL, 0);
3957 if (valid_cc->num_error > 0) {
3958 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
3959 free_recipients(valid_to);
3960 free_recipients(valid_cc);
3964 valid_bcc = validate_recipients(bcc, NULL, 0);
3965 if (valid_bcc->num_error > 0) {
3966 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
3967 free_recipients(valid_to);
3968 free_recipients(valid_cc);
3969 free_recipients(valid_bcc);
3973 /* Recipient required, but none were specified */
3974 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
3975 free_recipients(valid_to);
3976 free_recipients(valid_cc);
3977 free_recipients(valid_bcc);
3978 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
3982 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
3983 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
3984 cprintf("%d You do not have permission "
3985 "to send Internet mail.\n",
3986 ERROR + HIGHER_ACCESS_REQUIRED);
3987 free_recipients(valid_to);
3988 free_recipients(valid_cc);
3989 free_recipients(valid_bcc);
3994 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)
3995 && (CC->user.axlevel < AxNetU) ) {
3996 cprintf("%d Higher access required for network mail.\n",
3997 ERROR + HIGHER_ACCESS_REQUIRED);
3998 free_recipients(valid_to);
3999 free_recipients(valid_cc);
4000 free_recipients(valid_bcc);
4004 if ((RESTRICT_INTERNET == 1)
4005 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4006 && ((CC->user.flags & US_INTERNET) == 0)
4007 && (!CC->internal_pgm)) {
4008 cprintf("%d You don't have access to Internet mail.\n",
4009 ERROR + HIGHER_ACCESS_REQUIRED);
4010 free_recipients(valid_to);
4011 free_recipients(valid_cc);
4012 free_recipients(valid_bcc);
4018 /* Is this a room which has anonymous-only or anonymous-option? */
4019 anonymous = MES_NORMAL;
4020 if (CC->room.QRflags & QR_ANONONLY) {
4021 anonymous = MES_ANONONLY;
4023 if (CC->room.QRflags & QR_ANONOPT) {
4024 if (anon_flag == 1) { /* only if the user requested it */
4025 anonymous = MES_ANONOPT;
4029 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4033 /* Recommend to the client that the use of a message subject is
4034 * strongly recommended in this room, if either the SUBJECTREQ flag
4035 * is set, or if there is one or more Internet email recipients.
4037 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4038 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4039 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4040 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4042 /* If we're only checking the validity of the request, return
4043 * success without creating the message.
4046 cprintf("%d %s|%d\n", CIT_OK,
4047 ((valid_to != NULL) ? valid_to->display_recp : ""),
4049 free_recipients(valid_to);
4050 free_recipients(valid_cc);
4051 free_recipients(valid_bcc);
4055 /* We don't need these anymore because we'll do it differently below */
4056 free_recipients(valid_to);
4057 free_recipients(valid_cc);
4058 free_recipients(valid_bcc);
4060 /* Read in the message from the client. */
4062 cprintf("%d send message\n", START_CHAT_MODE);
4064 cprintf("%d send message\n", SEND_LISTING);
4067 msg = CtdlMakeMessage(&CC->user, recp, cc,
4068 CC->room.QRname, anonymous, format_type,
4069 newusername, newuseremail, subject,
4070 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4073 /* Put together one big recipients struct containing to/cc/bcc all in
4074 * one. This is for the envelope.
4076 char *all_recps = malloc(SIZ * 3);
4077 strcpy(all_recps, recp);
4078 if (!IsEmptyStr(cc)) {
4079 if (!IsEmptyStr(all_recps)) {
4080 strcat(all_recps, ",");
4082 strcat(all_recps, cc);
4084 if (!IsEmptyStr(bcc)) {
4085 if (!IsEmptyStr(all_recps)) {
4086 strcat(all_recps, ",");
4088 strcat(all_recps, bcc);
4090 if (!IsEmptyStr(all_recps)) {
4091 valid = validate_recipients(all_recps, NULL, 0);
4099 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4102 cprintf("%ld\n", msgnum);
4104 cprintf("Message accepted.\n");
4107 cprintf("Internal error.\n");
4109 if (msg->cm_fields['E'] != NULL) {
4110 cprintf("%s\n", msg->cm_fields['E']);
4117 CtdlFreeMessage(msg);
4119 if (valid != NULL) {
4120 free_recipients(valid);
4128 * API function to delete messages which match a set of criteria
4129 * (returns the actual number of messages deleted)
4131 int CtdlDeleteMessages(char *room_name, /* which room */
4132 long *dmsgnums, /* array of msg numbers to be deleted */
4133 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4134 char *content_type /* or "" for any. regular expressions expected. */
4137 struct ctdlroom qrbuf;
4138 struct cdbdata *cdbfr;
4139 long *msglist = NULL;
4140 long *dellist = NULL;
4143 int num_deleted = 0;
4145 struct MetaData smi;
4148 int need_to_free_re = 0;
4150 if (content_type) if (!IsEmptyStr(content_type)) {
4151 regcomp(&re, content_type, 0);
4152 need_to_free_re = 1;
4154 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4155 room_name, num_dmsgnums, content_type);
4157 /* get room record, obtaining a lock... */
4158 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4159 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4161 if (need_to_free_re) regfree(&re);
4162 return (0); /* room not found */
4164 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4166 if (cdbfr != NULL) {
4167 dellist = malloc(cdbfr->len);
4168 msglist = (long *) cdbfr->ptr;
4169 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4170 num_msgs = cdbfr->len / sizeof(long);
4174 for (i = 0; i < num_msgs; ++i) {
4177 /* Set/clear a bit for each criterion */
4179 /* 0 messages in the list or a null list means that we are
4180 * interested in deleting any messages which meet the other criteria.
4182 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4183 delete_this |= 0x01;
4186 for (j=0; j<num_dmsgnums; ++j) {
4187 if (msglist[i] == dmsgnums[j]) {
4188 delete_this |= 0x01;
4193 if (IsEmptyStr(content_type)) {
4194 delete_this |= 0x02;
4196 GetMetaData(&smi, msglist[i]);
4197 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4198 delete_this |= 0x02;
4202 /* Delete message only if all bits are set */
4203 if (delete_this == 0x03) {
4204 dellist[num_deleted++] = msglist[i];
4209 num_msgs = sort_msglist(msglist, num_msgs);
4210 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4211 msglist, (int)(num_msgs * sizeof(long)));
4214 qrbuf.QRhighest = msglist[num_msgs - 1];
4216 qrbuf.QRhighest = 0;
4218 CtdlPutRoomLock(&qrbuf);
4220 /* Go through the messages we pulled out of the index, and decrement
4221 * their reference counts by 1. If this is the only room the message
4222 * was in, the reference count will reach zero and the message will
4223 * automatically be deleted from the database. We do this in a
4224 * separate pass because there might be plug-in hooks getting called,
4225 * and we don't want that happening during an S_ROOMS critical
4228 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4229 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4230 AdjRefCount(dellist[i], -1);
4233 /* Now free the memory we used, and go away. */
4234 if (msglist != NULL) free(msglist);
4235 if (dellist != NULL) free(dellist);
4236 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4237 if (need_to_free_re) regfree(&re);
4238 return (num_deleted);
4244 * Check whether the current user has permission to delete messages from
4245 * the current room (returns 1 for yes, 0 for no)
4247 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4249 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4250 if (ra & UA_DELETEALLOWED) return(1);
4258 * Delete message from current room
4260 void cmd_dele(char *args)
4269 extract_token(msgset, args, 0, '|', sizeof msgset);
4270 num_msgs = num_tokens(msgset, ',');
4272 cprintf("%d Nothing to do.\n", CIT_OK);
4276 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4277 cprintf("%d Higher access required.\n",
4278 ERROR + HIGHER_ACCESS_REQUIRED);
4283 * Build our message set to be moved/copied
4285 msgs = malloc(num_msgs * sizeof(long));
4286 for (i=0; i<num_msgs; ++i) {
4287 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4288 msgs[i] = atol(msgtok);
4291 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4295 cprintf("%d %d message%s deleted.\n", CIT_OK,
4296 num_deleted, ((num_deleted != 1) ? "s" : ""));
4298 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4306 * move or copy a message to another room
4308 void cmd_move(char *args)
4315 char targ[ROOMNAMELEN];
4316 struct ctdlroom qtemp;
4323 extract_token(msgset, args, 0, '|', sizeof msgset);
4324 num_msgs = num_tokens(msgset, ',');
4326 cprintf("%d Nothing to do.\n", CIT_OK);
4330 extract_token(targ, args, 1, '|', sizeof targ);
4331 convert_room_name_macros(targ, sizeof targ);
4332 targ[ROOMNAMELEN - 1] = 0;
4333 is_copy = extract_int(args, 2);
4335 if (CtdlGetRoom(&qtemp, targ) != 0) {
4336 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4340 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4341 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4345 CtdlGetUser(&CC->user, CC->curr_user);
4346 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4348 /* Check for permission to perform this operation.
4349 * Remember: "CC->room" is source, "qtemp" is target.
4353 /* Aides can move/copy */
4354 if (CC->user.axlevel >= AxAideU) permit = 1;
4356 /* Room aides can move/copy */
4357 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4359 /* Permit move/copy from personal rooms */
4360 if ((CC->room.QRflags & QR_MAILBOX)
4361 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4363 /* Permit only copy from public to personal room */
4365 && (!(CC->room.QRflags & QR_MAILBOX))
4366 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4368 /* Permit message removal from collaborative delete rooms */
4369 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4371 /* Users allowed to post into the target room may move into it too. */
4372 if ((CC->room.QRflags & QR_MAILBOX) &&
4373 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4375 /* User must have access to target room */
4376 if (!(ra & UA_KNOWN)) permit = 0;
4379 cprintf("%d Higher access required.\n",
4380 ERROR + HIGHER_ACCESS_REQUIRED);
4385 * Build our message set to be moved/copied
4387 msgs = malloc(num_msgs * sizeof(long));
4388 for (i=0; i<num_msgs; ++i) {
4389 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4390 msgs[i] = atol(msgtok);
4396 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL);
4398 cprintf("%d Cannot store message(s) in %s: error %d\n",
4404 /* Now delete the message from the source room,
4405 * if this is a 'move' rather than a 'copy' operation.
4408 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4412 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4418 * GetMetaData() - Get the supplementary record for a message
4420 void GetMetaData(struct MetaData *smibuf, long msgnum)
4423 struct cdbdata *cdbsmi;
4426 memset(smibuf, 0, sizeof(struct MetaData));
4427 smibuf->meta_msgnum = msgnum;
4428 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4430 /* Use the negative of the message number for its supp record index */
4431 TheIndex = (0L - msgnum);
4433 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4434 if (cdbsmi == NULL) {
4435 return; /* record not found; go with defaults */
4437 memcpy(smibuf, cdbsmi->ptr,
4438 ((cdbsmi->len > sizeof(struct MetaData)) ?
4439 sizeof(struct MetaData) : cdbsmi->len));
4446 * PutMetaData() - (re)write supplementary record for a message
4448 void PutMetaData(struct MetaData *smibuf)
4452 /* Use the negative of the message number for the metadata db index */
4453 TheIndex = (0L - smibuf->meta_msgnum);
4455 cdb_store(CDB_MSGMAIN,
4456 &TheIndex, (int)sizeof(long),
4457 smibuf, (int)sizeof(struct MetaData));
4462 * AdjRefCount - submit an adjustment to the reference count for a message.
4463 * (These are just queued -- we actually process them later.)
4465 void AdjRefCount(long msgnum, int incr)
4467 struct arcq new_arcq;
4470 begin_critical_section(S_SUPPMSGMAIN);
4471 if (arcfp == NULL) {
4472 arcfp = fopen(file_arcq, "ab+");
4474 end_critical_section(S_SUPPMSGMAIN);
4476 /* msgnum < 0 means that we're trying to close the file */
4478 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4479 begin_critical_section(S_SUPPMSGMAIN);
4480 if (arcfp != NULL) {
4484 end_critical_section(S_SUPPMSGMAIN);
4489 * If we can't open the queue, perform the operation synchronously.
4491 if (arcfp == NULL) {
4492 TDAP_AdjRefCount(msgnum, incr);
4496 new_arcq.arcq_msgnum = msgnum;
4497 new_arcq.arcq_delta = incr;
4498 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4506 * TDAP_ProcessAdjRefCountQueue()
4508 * Process the queue of message count adjustments that was created by calls
4509 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4510 * for each one. This should be an "off hours" operation.
4512 int TDAP_ProcessAdjRefCountQueue(void)
4514 char file_arcq_temp[PATH_MAX];
4517 struct arcq arcq_rec;
4518 int num_records_processed = 0;
4520 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4522 begin_critical_section(S_SUPPMSGMAIN);
4523 if (arcfp != NULL) {
4528 r = link(file_arcq, file_arcq_temp);
4530 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4531 end_critical_section(S_SUPPMSGMAIN);
4532 return(num_records_processed);
4536 end_critical_section(S_SUPPMSGMAIN);
4538 fp = fopen(file_arcq_temp, "rb");
4540 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4541 return(num_records_processed);
4544 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4545 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4546 ++num_records_processed;
4550 r = unlink(file_arcq_temp);
4552 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4555 return(num_records_processed);
4561 * TDAP_AdjRefCount - adjust the reference count for a message.
4562 * This one does it "for real" because it's called by
4563 * the autopurger function that processes the queue
4564 * created by AdjRefCount(). If a message's reference
4565 * count becomes zero, we also delete the message from
4566 * disk and de-index it.
4568 void TDAP_AdjRefCount(long msgnum, int incr)
4571 struct MetaData smi;
4574 /* This is a *tight* critical section; please keep it that way, as
4575 * it may get called while nested in other critical sections.
4576 * Complicating this any further will surely cause deadlock!
4578 begin_critical_section(S_SUPPMSGMAIN);
4579 GetMetaData(&smi, msgnum);
4580 smi.meta_refcount += incr;
4582 end_critical_section(S_SUPPMSGMAIN);
4583 CtdlLogPrintf(CTDL_DEBUG, "msg %ld ref count delta %+d, is now %d\n",
4584 msgnum, incr, smi.meta_refcount);
4586 /* If the reference count is now zero, delete the message
4587 * (and its supplementary record as well).
4589 if (smi.meta_refcount == 0) {
4590 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4592 /* Call delete hooks with NULL room to show it has gone altogether */
4593 PerformDeleteHooks(NULL, msgnum);
4595 /* Remove from message base */
4597 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4598 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4600 /* Remove metadata record */
4601 delnum = (0L - msgnum);
4602 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4608 * Write a generic object to this room
4610 * Note: this could be much more efficient. Right now we use two temporary
4611 * files, and still pull the message into memory as with all others.
4613 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4614 char *content_type, /* MIME type of this object */
4615 char *raw_message, /* Data to be written */
4616 off_t raw_length, /* Size of raw_message */
4617 struct ctdluser *is_mailbox, /* Mailbox room? */
4618 int is_binary, /* Is encoding necessary? */
4619 int is_unique, /* Del others of this type? */
4620 unsigned int flags /* Internal save flags */
4624 struct ctdlroom qrbuf;
4625 char roomname[ROOMNAMELEN];
4626 struct CtdlMessage *msg;
4627 char *encoded_message = NULL;
4629 if (is_mailbox != NULL) {
4630 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4633 safestrncpy(roomname, req_room, sizeof(roomname));
4636 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4639 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4642 encoded_message = malloc((size_t)(raw_length + 4096));
4645 sprintf(encoded_message, "Content-type: %s\n", content_type);
4648 sprintf(&encoded_message[strlen(encoded_message)],
4649 "Content-transfer-encoding: base64\n\n"
4653 sprintf(&encoded_message[strlen(encoded_message)],
4654 "Content-transfer-encoding: 7bit\n\n"
4660 &encoded_message[strlen(encoded_message)],
4668 &encoded_message[strlen(encoded_message)],
4674 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4675 msg = malloc(sizeof(struct CtdlMessage));
4676 memset(msg, 0, sizeof(struct CtdlMessage));
4677 msg->cm_magic = CTDLMESSAGE_MAGIC;
4678 msg->cm_anon_type = MES_NORMAL;
4679 msg->cm_format_type = 4;
4680 msg->cm_fields['A'] = strdup(CC->user.fullname);
4681 msg->cm_fields['O'] = strdup(req_room);
4682 msg->cm_fields['N'] = strdup(config.c_nodename);
4683 msg->cm_fields['H'] = strdup(config.c_humannode);
4684 msg->cm_flags = flags;
4686 msg->cm_fields['M'] = encoded_message;
4688 /* Create the requested room if we have to. */
4689 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4690 CtdlCreateRoom(roomname,
4691 ( (is_mailbox != NULL) ? 5 : 3 ),
4692 "", 0, 1, 0, VIEW_BBS);
4694 /* If the caller specified this object as unique, delete all
4695 * other objects of this type that are currently in the room.
4698 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4699 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4702 /* Now write the data */
4703 CtdlSubmitMsg(msg, NULL, roomname, 0);
4704 CtdlFreeMessage(msg);
4712 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4713 config_msgnum = msgnum;
4717 char *CtdlGetSysConfig(char *sysconfname) {
4718 char hold_rm[ROOMNAMELEN];
4721 struct CtdlMessage *msg;
4724 strcpy(hold_rm, CC->room.QRname);
4725 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4726 CtdlGetRoom(&CC->room, hold_rm);
4731 /* We want the last (and probably only) config in this room */
4732 begin_critical_section(S_CONFIG);
4733 config_msgnum = (-1L);
4734 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4735 CtdlGetSysConfigBackend, NULL);
4736 msgnum = config_msgnum;
4737 end_critical_section(S_CONFIG);
4743 msg = CtdlFetchMessage(msgnum, 1);
4745 conf = strdup(msg->cm_fields['M']);
4746 CtdlFreeMessage(msg);
4753 CtdlGetRoom(&CC->room, hold_rm);
4755 if (conf != NULL) do {
4756 extract_token(buf, conf, 0, '\n', sizeof buf);
4757 strcpy(conf, &conf[strlen(buf)+1]);
4758 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4764 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4765 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4770 * Determine whether a given Internet address belongs to the current user
4772 int CtdlIsMe(char *addr, int addr_buf_len)
4774 struct recptypes *recp;
4777 recp = validate_recipients(addr, NULL, 0);
4778 if (recp == NULL) return(0);
4780 if (recp->num_local == 0) {
4781 free_recipients(recp);
4785 for (i=0; i<recp->num_local; ++i) {
4786 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4787 if (!strcasecmp(addr, CC->user.fullname)) {
4788 free_recipients(recp);
4793 free_recipients(recp);
4799 * Citadel protocol command to do the same
4801 void cmd_isme(char *argbuf) {
4804 if (CtdlAccessCheck(ac_logged_in)) return;
4805 extract_token(addr, argbuf, 0, '|', sizeof addr);
4807 if (CtdlIsMe(addr, sizeof addr)) {
4808 cprintf("%d %s\n", CIT_OK, addr);
4811 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
4817 /*****************************************************************************/
4818 /* MODULE INITIALIZATION STUFF */
4819 /*****************************************************************************/
4821 CTDL_MODULE_INIT(msgbase)
4824 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
4825 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
4826 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
4827 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
4828 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
4829 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
4830 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
4831 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
4832 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
4833 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
4834 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
4835 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
4838 /* return our Subversion id for the Log */