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 */
938 int NLFound, NLFoundLastTime;
945 OutBuf = NewStrBufPlain(NULL, 200);
947 NLFound = NLFoundLastTime = 0;
951 LineStart = LastBlank = mptr;
956 if (LineStart[i] == '\n')
958 else if (LineStart[i] == '\r')
960 else if (LineStart[i] == ' ')
962 LastBlank = &LineStart[i];
965 else if ((i > 80) && (LineStart != LastBlank))
967 else if (LineStart[i] == '\0')
974 if (LineStart[i + 1] == '\r')
975 mptr = &LineStart[i + 2];
977 mptr = &LineStart[i + 1];
982 if (LineStart[i + 1] == '\n')
983 mptr = &LineStart[i + 2];
985 mptr = &LineStart[i + 1];
990 mptr = &LineStart[i + 1];
995 mptr = LastBlank + 1;
996 i = LastBlank - LineStart;
1001 while (*mptr != '\0') mptr++;
1004 if (NLFoundLastTime)
1005 StrBufPlain(OutBuf, HKEY(" "));
1007 FlushStrBuf(OutBuf);
1008 StrBufAppendBufPlain(OutBuf, LineStart, i, 0);
1009 StrBufAppendBufPlain(OutBuf, nl, NLLen, 0);
1012 NLFoundLastTime = NLFound;
1013 } while (*mptr != '\0');
1015 FreeStrBuf(&OutBuf);
1021 * Callback function for mime parser that simply lists the part
1023 void list_this_part(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("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1044 * Callback function for multipart prefix
1046 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1047 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1048 char *cbid, void *cbuserdata)
1052 ma = (struct ma_info *)cbuserdata;
1053 if (!strcasecmp(cbtype, "multipart/alternative")) {
1057 if (ma->is_ma == 0) {
1058 cprintf("pref=%s|%s\n", partnum, cbtype);
1063 * Callback function for multipart sufffix
1065 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1066 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1067 char *cbid, void *cbuserdata)
1071 ma = (struct ma_info *)cbuserdata;
1072 if (ma->is_ma == 0) {
1073 cprintf("suff=%s|%s\n", partnum, cbtype);
1075 if (!strcasecmp(cbtype, "multipart/alternative")) {
1082 * Callback function for mime parser that opens a section for downloading
1084 void mime_download(char *name, char *filename, char *partnum, char *disp,
1085 void *content, char *cbtype, char *cbcharset, size_t length,
1086 char *encoding, char *cbid, void *cbuserdata)
1090 /* Silently go away if there's already a download open. */
1091 if (CC->download_fp != NULL)
1095 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1096 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1098 CC->download_fp = tmpfile();
1099 if (CC->download_fp == NULL)
1102 rv = fwrite(content, length, 1, CC->download_fp);
1103 fflush(CC->download_fp);
1104 rewind(CC->download_fp);
1106 OpenCmdResult(filename, cbtype);
1113 * Callback function for mime parser that outputs a section all at once.
1114 * We can specify the desired section by part number *or* content-id.
1116 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1117 void *content, char *cbtype, char *cbcharset, size_t length,
1118 char *encoding, char *cbid, void *cbuserdata)
1120 int *found_it = (int *)cbuserdata;
1123 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1124 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1127 cprintf("%d %d|-1|%s|%s|%s\n",
1134 client_write(content, length);
1141 * Load a message from disk into memory.
1142 * This is used by CtdlOutputMsg() and other fetch functions.
1144 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1145 * using the CtdlMessageFree() function.
1147 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1149 struct cdbdata *dmsgtext;
1150 struct CtdlMessage *ret = NULL;
1154 cit_uint8_t field_header;
1156 CtdlLogPrintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1158 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1159 if (dmsgtext == NULL) {
1162 mptr = dmsgtext->ptr;
1163 upper_bound = mptr + dmsgtext->len;
1165 /* Parse the three bytes that begin EVERY message on disk.
1166 * The first is always 0xFF, the on-disk magic number.
1167 * The second is the anonymous/public type byte.
1168 * The third is the format type byte (vari, fixed, or MIME).
1172 CtdlLogPrintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1176 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1177 memset(ret, 0, sizeof(struct CtdlMessage));
1179 ret->cm_magic = CTDLMESSAGE_MAGIC;
1180 ret->cm_anon_type = *mptr++; /* Anon type byte */
1181 ret->cm_format_type = *mptr++; /* Format type byte */
1184 * The rest is zero or more arbitrary fields. Load them in.
1185 * We're done when we encounter either a zero-length field or
1186 * have just processed the 'M' (message text) field.
1189 if (mptr >= upper_bound) {
1192 field_header = *mptr++;
1193 ret->cm_fields[field_header] = strdup(mptr);
1195 while (*mptr++ != 0); /* advance to next field */
1197 } while ((mptr < upper_bound) && (field_header != 'M'));
1201 /* Always make sure there's something in the msg text field. If
1202 * it's NULL, the message text is most likely stored separately,
1203 * so go ahead and fetch that. Failing that, just set a dummy
1204 * body so other code doesn't barf.
1206 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1207 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1208 if (dmsgtext != NULL) {
1209 ret->cm_fields['M'] = strdup(dmsgtext->ptr);
1213 if (ret->cm_fields['M'] == NULL) {
1214 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1217 /* Perform "before read" hooks (aborting if any return nonzero) */
1218 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1219 CtdlFreeMessage(ret);
1228 * Returns 1 if the supplied pointer points to a valid Citadel message.
1229 * If the pointer is NULL or the magic number check fails, returns 0.
1231 int is_valid_message(struct CtdlMessage *msg) {
1234 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1235 CtdlLogPrintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1243 * 'Destructor' for struct CtdlMessage
1245 void CtdlFreeMessage(struct CtdlMessage *msg)
1249 if (is_valid_message(msg) == 0)
1251 if (msg != NULL) free (msg);
1255 for (i = 0; i < 256; ++i)
1256 if (msg->cm_fields[i] != NULL) {
1257 free(msg->cm_fields[i]);
1260 msg->cm_magic = 0; /* just in case */
1266 * Pre callback function for multipart/alternative
1268 * NOTE: this differs from the standard behavior for a reason. Normally when
1269 * displaying multipart/alternative you want to show the _last_ usable
1270 * format in the message. Here we show the _first_ one, because it's
1271 * usually text/plain. Since this set of functions is designed for text
1272 * output to non-MIME-aware clients, this is the desired behavior.
1275 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1276 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1277 char *cbid, void *cbuserdata)
1281 ma = (struct ma_info *)cbuserdata;
1282 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1283 if (!strcasecmp(cbtype, "multipart/alternative")) {
1287 if (!strcasecmp(cbtype, "message/rfc822")) {
1293 * Post callback function for multipart/alternative
1295 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1296 void *content, char *cbtype, char *cbcharset, size_t length,
1297 char *encoding, char *cbid, void *cbuserdata)
1301 ma = (struct ma_info *)cbuserdata;
1302 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1303 if (!strcasecmp(cbtype, "multipart/alternative")) {
1307 if (!strcasecmp(cbtype, "message/rfc822")) {
1313 * Inline callback function for mime parser that wants to display text
1315 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1316 void *content, char *cbtype, char *cbcharset, size_t length,
1317 char *encoding, char *cbid, void *cbuserdata)
1324 ma = (struct ma_info *)cbuserdata;
1326 CtdlLogPrintf(CTDL_DEBUG,
1327 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1328 partnum, filename, cbtype, (long)length);
1331 * If we're in the middle of a multipart/alternative scope and
1332 * we've already printed another section, skip this one.
1334 if ( (ma->is_ma) && (ma->did_print) ) {
1335 CtdlLogPrintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1340 if ( (!strcasecmp(cbtype, "text/plain"))
1341 || (IsEmptyStr(cbtype)) ) {
1344 client_write(wptr, length);
1345 if (wptr[length-1] != '\n') {
1352 if (!strcasecmp(cbtype, "text/html")) {
1353 ptr = html_to_ascii(content, length, 80, 0);
1355 client_write(ptr, wlen);
1356 if (ptr[wlen-1] != '\n') {
1363 if (ma->use_fo_hooks) {
1364 if (PerformFixedOutputHooks(cbtype, content, length)) {
1365 /* above function returns nonzero if it handled the part */
1370 if (strncasecmp(cbtype, "multipart/", 10)) {
1371 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1372 partnum, filename, cbtype, (long)length);
1378 * The client is elegant and sophisticated and wants to be choosy about
1379 * MIME content types, so figure out which multipart/alternative part
1380 * we're going to send.
1382 * We use a system of weights. When we find a part that matches one of the
1383 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1384 * and then set ma->chosen_pref to that MIME type's position in our preference
1385 * list. If we then hit another match, we only replace the first match if
1386 * the preference value is lower.
1388 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1389 void *content, char *cbtype, char *cbcharset, size_t length,
1390 char *encoding, char *cbid, void *cbuserdata)
1396 ma = (struct ma_info *)cbuserdata;
1398 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1399 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1400 // I don't know if there are any side effects! Please TEST TEST TEST
1401 //if (ma->is_ma > 0) {
1403 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1404 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1405 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1406 if (i < ma->chosen_pref) {
1407 CtdlLogPrintf(CTDL_DEBUG, "Setting chosen part: <%s>\n", partnum);
1408 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1409 ma->chosen_pref = i;
1416 * Now that we've chosen our preferred part, output it.
1418 void output_preferred(char *name, char *filename, char *partnum, char *disp,
1419 void *content, char *cbtype, char *cbcharset, size_t length,
1420 char *encoding, char *cbid, void *cbuserdata)
1424 int add_newline = 0;
1428 ma = (struct ma_info *)cbuserdata;
1430 /* This is not the MIME part you're looking for... */
1431 if (strcasecmp(partnum, ma->chosen_part)) return;
1433 /* If the content-type of this part is in our preferred formats
1434 * list, we can simply output it verbatim.
1436 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1437 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1438 if (!strcasecmp(buf, cbtype)) {
1439 /* Yeah! Go! W00t!! */
1441 text_content = (char *)content;
1442 if (text_content[length-1] != '\n') {
1445 cprintf("Content-type: %s", cbtype);
1446 if (!IsEmptyStr(cbcharset)) {
1447 cprintf("; charset=%s", cbcharset);
1449 cprintf("\nContent-length: %d\n",
1450 (int)(length + add_newline) );
1451 if (!IsEmptyStr(encoding)) {
1452 cprintf("Content-transfer-encoding: %s\n", encoding);
1455 cprintf("Content-transfer-encoding: 7bit\n");
1457 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1459 client_write(content, length);
1460 if (add_newline) cprintf("\n");
1465 /* No translations required or possible: output as text/plain */
1466 cprintf("Content-type: text/plain\n\n");
1467 fixed_output(name, filename, partnum, disp, content, cbtype, cbcharset,
1468 length, encoding, cbid, cbuserdata);
1473 char desired_section[64];
1480 * Callback function for
1482 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1483 void *content, char *cbtype, char *cbcharset, size_t length,
1484 char *encoding, char *cbid, void *cbuserdata)
1486 struct encapmsg *encap;
1488 encap = (struct encapmsg *)cbuserdata;
1490 /* Only proceed if this is the desired section... */
1491 if (!strcasecmp(encap->desired_section, partnum)) {
1492 encap->msglen = length;
1493 encap->msg = malloc(length + 2);
1494 memcpy(encap->msg, content, length);
1505 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1506 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1507 return(om_not_logged_in);
1514 * Get a message off disk. (returns om_* values found in msgbase.h)
1517 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1518 int mode, /* how would you like that message? */
1519 int headers_only, /* eschew the message body? */
1520 int do_proto, /* do Citadel protocol responses? */
1521 int crlf, /* Use CRLF newlines instead of LF? */
1522 char *section, /* NULL or a message/rfc822 section */
1523 int flags /* various flags; see msgbase.h */
1525 struct CtdlMessage *TheMessage = NULL;
1526 int retcode = om_no_such_msg;
1527 struct encapmsg encap;
1530 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1532 (section ? section : "<>")
1535 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1538 if (r == om_not_logged_in) {
1539 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1542 cprintf("%d An unknown error has occurred.\n", ERROR);
1548 /* FIXME: check message id against msglist for this room */
1551 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1552 * request that we don't even bother loading the body into memory.
1554 if (headers_only == HEADERS_FAST) {
1555 TheMessage = CtdlFetchMessage(msg_num, 0);
1558 TheMessage = CtdlFetchMessage(msg_num, 1);
1561 if (TheMessage == NULL) {
1562 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1563 ERROR + MESSAGE_NOT_FOUND, msg_num);
1564 return(om_no_such_msg);
1567 /* Here is the weird form of this command, to process only an
1568 * encapsulated message/rfc822 section.
1570 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1571 memset(&encap, 0, sizeof encap);
1572 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1573 mime_parser(TheMessage->cm_fields['M'],
1575 *extract_encapsulated_message,
1576 NULL, NULL, (void *)&encap, 0
1578 CtdlFreeMessage(TheMessage);
1582 encap.msg[encap.msglen] = 0;
1583 TheMessage = convert_internet_message(encap.msg);
1584 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1586 /* Now we let it fall through to the bottom of this
1587 * function, because TheMessage now contains the
1588 * encapsulated message instead of the top-level
1589 * message. Isn't that neat?
1594 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1595 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1596 retcode = om_no_such_msg;
1601 /* Ok, output the message now */
1602 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1603 CtdlFreeMessage(TheMessage);
1609 char *qp_encode_email_addrs(char *source)
1611 char user[256], node[256], name[256];
1612 const char headerStr[] = "=?UTF-8?Q?";
1616 int need_to_encode = 0;
1622 long nAddrPtrMax = 50;
1627 if (source == NULL) return source;
1628 if (IsEmptyStr(source)) return source;
1630 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1631 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1632 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1635 while (!IsEmptyStr (&source[i])) {
1636 if (nColons >= nAddrPtrMax){
1639 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1640 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1641 free (AddrPtr), AddrPtr = ptr;
1643 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1644 memset(&ptr[nAddrPtrMax], 0,
1645 sizeof (long) * nAddrPtrMax);
1647 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1648 free (AddrUtf8), AddrUtf8 = ptr;
1651 if (((unsigned char) source[i] < 32) ||
1652 ((unsigned char) source[i] > 126)) {
1654 AddrUtf8[nColons] = 1;
1656 if (source[i] == '"')
1657 InQuotes = !InQuotes;
1658 if (!InQuotes && source[i] == ',') {
1659 AddrPtr[nColons] = i;
1664 if (need_to_encode == 0) {
1671 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1672 Encoded = (char*) malloc (EncodedMaxLen);
1674 for (i = 0; i < nColons; i++)
1675 source[AddrPtr[i]++] = '\0';
1679 for (i = 0; i < nColons && nPtr != NULL; i++) {
1680 nmax = EncodedMaxLen - (nPtr - Encoded);
1682 process_rfc822_addr(&source[AddrPtr[i]],
1686 /* TODO: libIDN here ! */
1687 if (IsEmptyStr(name)) {
1688 n = snprintf(nPtr, nmax,
1689 (i==0)?"%s@%s" : ",%s@%s",
1693 EncodedName = rfc2047encode(name, strlen(name));
1694 n = snprintf(nPtr, nmax,
1695 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1696 EncodedName, user, node);
1701 n = snprintf(nPtr, nmax,
1702 (i==0)?"%s" : ",%s",
1703 &source[AddrPtr[i]]);
1709 ptr = (char*) malloc(EncodedMaxLen * 2);
1710 memcpy(ptr, Encoded, EncodedMaxLen);
1711 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1712 free(Encoded), Encoded = ptr;
1714 i--; /* do it once more with properly lengthened buffer */
1717 for (i = 0; i < nColons; i++)
1718 source[--AddrPtr[i]] = ',';
1725 /* If the last item in a list of recipients was truncated to a partial address,
1726 * remove it completely in order to avoid choking libSieve
1728 void sanitize_truncated_recipient(char *str)
1731 if (num_tokens(str, ',') < 2) return;
1733 int len = strlen(str);
1734 if (len < 900) return;
1735 if (len > 998) str[998] = 0;
1737 char *cptr = strrchr(str, ',');
1740 char *lptr = strchr(cptr, '<');
1741 char *rptr = strchr(cptr, '>');
1743 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1751 * Get a message off disk. (returns om_* values found in msgbase.h)
1753 int CtdlOutputPreLoadedMsg(
1754 struct CtdlMessage *TheMessage,
1755 int mode, /* how would you like that message? */
1756 int headers_only, /* eschew the message body? */
1757 int do_proto, /* do Citadel protocol responses? */
1758 int crlf, /* Use CRLF newlines instead of LF? */
1759 int flags /* should the bessage be exported clean? */
1763 cit_uint8_t ch, prev_ch;
1765 char display_name[256];
1767 const char *nl; /* newline string */
1769 int subject_found = 0;
1772 /* Buffers needed for RFC822 translation. These are all filled
1773 * using functions that are bounds-checked, and therefore we can
1774 * make them substantially smaller than SIZ.
1781 char datestamp[100];
1783 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
1784 ((TheMessage == NULL) ? "NULL" : "not null"),
1785 mode, headers_only, do_proto, crlf);
1787 strcpy(mid, "unknown");
1788 nl = (crlf ? "\r\n" : "\n");
1790 if (!is_valid_message(TheMessage)) {
1791 CtdlLogPrintf(CTDL_ERR,
1792 "ERROR: invalid preloaded message for output\n");
1794 return(om_no_such_msg);
1797 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
1798 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
1800 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
1801 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
1804 /* Are we downloading a MIME component? */
1805 if (mode == MT_DOWNLOAD) {
1806 if (TheMessage->cm_format_type != FMT_RFC822) {
1808 cprintf("%d This is not a MIME message.\n",
1809 ERROR + ILLEGAL_VALUE);
1810 } else if (CC->download_fp != NULL) {
1811 if (do_proto) cprintf(
1812 "%d You already have a download open.\n",
1813 ERROR + RESOURCE_BUSY);
1815 /* Parse the message text component */
1816 mptr = TheMessage->cm_fields['M'];
1817 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
1818 /* If there's no file open by this time, the requested
1819 * section wasn't found, so print an error
1821 if (CC->download_fp == NULL) {
1822 if (do_proto) cprintf(
1823 "%d Section %s not found.\n",
1824 ERROR + FILE_NOT_FOUND,
1825 CC->download_desired_section);
1828 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1831 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
1832 * in a single server operation instead of opening a download file.
1834 if (mode == MT_SPEW_SECTION) {
1835 if (TheMessage->cm_format_type != FMT_RFC822) {
1837 cprintf("%d This is not a MIME message.\n",
1838 ERROR + ILLEGAL_VALUE);
1840 /* Parse the message text component */
1843 mptr = TheMessage->cm_fields['M'];
1844 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
1845 /* If section wasn't found, print an error
1848 if (do_proto) cprintf(
1849 "%d Section %s not found.\n",
1850 ERROR + FILE_NOT_FOUND,
1851 CC->download_desired_section);
1854 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1857 /* now for the user-mode message reading loops */
1858 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
1860 /* Does the caller want to skip the headers? */
1861 if (headers_only == HEADERS_NONE) goto START_TEXT;
1863 /* Tell the client which format type we're using. */
1864 if ( (mode == MT_CITADEL) && (do_proto) ) {
1865 cprintf("type=%d\n", TheMessage->cm_format_type);
1868 /* nhdr=yes means that we're only displaying headers, no body */
1869 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1870 && ((mode == MT_CITADEL) || (mode == MT_MIME))
1873 cprintf("nhdr=yes\n");
1876 /* begin header processing loop for Citadel message format */
1878 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1880 safestrncpy(display_name, "<unknown>", sizeof display_name);
1881 if (TheMessage->cm_fields['A']) {
1882 strcpy(buf, TheMessage->cm_fields['A']);
1883 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1884 safestrncpy(display_name, "****", sizeof display_name);
1886 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1887 safestrncpy(display_name, "anonymous", sizeof display_name);
1890 safestrncpy(display_name, buf, sizeof display_name);
1892 if ((is_room_aide())
1893 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1894 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1895 size_t tmp = strlen(display_name);
1896 snprintf(&display_name[tmp],
1897 sizeof display_name - tmp,
1902 /* Don't show Internet address for users on the
1903 * local Citadel network.
1906 if (TheMessage->cm_fields['N'] != NULL)
1907 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1908 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1912 /* Now spew the header fields in the order we like them. */
1913 safestrncpy(allkeys, FORDER, sizeof allkeys);
1914 for (i=0; i<strlen(allkeys); ++i) {
1915 k = (int) allkeys[i];
1917 if ( (TheMessage->cm_fields[k] != NULL)
1918 && (msgkeys[k] != NULL) ) {
1919 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1920 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1923 if (do_proto) cprintf("%s=%s\n",
1927 else if ((k == 'F') && (suppress_f)) {
1930 /* Masquerade display name if needed */
1932 if (do_proto) cprintf("%s=%s\n",
1934 TheMessage->cm_fields[k]
1943 /* begin header processing loop for RFC822 transfer format */
1948 strcpy(snode, NODENAME);
1949 if (mode == MT_RFC822) {
1950 for (i = 0; i < 256; ++i) {
1951 if (TheMessage->cm_fields[i]) {
1952 mptr = mpptr = TheMessage->cm_fields[i];
1955 safestrncpy(luser, mptr, sizeof luser);
1956 safestrncpy(suser, mptr, sizeof suser);
1958 else if (i == 'Y') {
1959 if ((flags & QP_EADDR) != 0) {
1960 mptr = qp_encode_email_addrs(mptr);
1962 sanitize_truncated_recipient(mptr);
1963 cprintf("CC: %s%s", mptr, nl);
1965 else if (i == 'P') {
1966 cprintf("Return-Path: %s%s", mptr, nl);
1968 else if (i == 'L') {
1969 cprintf("List-ID: %s%s", mptr, nl);
1971 else if (i == 'V') {
1972 if ((flags & QP_EADDR) != 0)
1973 mptr = qp_encode_email_addrs(mptr);
1974 cprintf("Envelope-To: %s%s", mptr, nl);
1976 else if (i == 'U') {
1977 cprintf("Subject: %s%s", mptr, nl);
1981 safestrncpy(mid, mptr, sizeof mid);
1983 safestrncpy(fuser, mptr, sizeof fuser);
1984 /* else if (i == 'O')
1985 cprintf("X-Citadel-Room: %s%s",
1988 safestrncpy(snode, mptr, sizeof snode);
1991 if (haschar(mptr, '@') == 0)
1993 sanitize_truncated_recipient(mptr);
1994 cprintf("To: %s@%s", mptr, config.c_fqdn);
1999 if ((flags & QP_EADDR) != 0) {
2000 mptr = qp_encode_email_addrs(mptr);
2002 sanitize_truncated_recipient(mptr);
2003 cprintf("To: %s", mptr);
2007 else if (i == 'T') {
2008 datestring(datestamp, sizeof datestamp,
2009 atol(mptr), DATESTRING_RFC822);
2010 cprintf("Date: %s%s", datestamp, nl);
2012 else if (i == 'W') {
2013 cprintf("References: ");
2014 k = num_tokens(mptr, '|');
2015 for (j=0; j<k; ++j) {
2016 extract_token(buf, mptr, j, '|', sizeof buf);
2017 cprintf("<%s>", buf);
2030 if (subject_found == 0) {
2031 cprintf("Subject: (no subject)%s", nl);
2035 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2036 suser[i] = tolower(suser[i]);
2037 if (!isalnum(suser[i])) suser[i]='_';
2040 if (mode == MT_RFC822) {
2041 if (!strcasecmp(snode, NODENAME)) {
2042 safestrncpy(snode, FQDN, sizeof snode);
2045 /* Construct a fun message id */
2046 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2047 if (strchr(mid, '@')==NULL) {
2048 cprintf("@%s", snode);
2052 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2053 cprintf("From: \"----\" <x@x.org>%s", nl);
2055 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2056 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2058 else if (!IsEmptyStr(fuser)) {
2059 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2062 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2065 /* Blank line signifying RFC822 end-of-headers */
2066 if (TheMessage->cm_format_type != FMT_RFC822) {
2071 /* end header processing loop ... at this point, we're in the text */
2073 if (headers_only == HEADERS_FAST) goto DONE;
2074 mptr = TheMessage->cm_fields['M'];
2076 /* Tell the client about the MIME parts in this message */
2077 if (TheMessage->cm_format_type == FMT_RFC822) {
2078 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2079 memset(&ma, 0, sizeof(struct ma_info));
2080 mime_parser(mptr, NULL,
2081 (do_proto ? *list_this_part : NULL),
2082 (do_proto ? *list_this_pref : NULL),
2083 (do_proto ? *list_this_suff : NULL),
2086 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2087 char *start_of_text = NULL;
2088 start_of_text = strstr(mptr, "\n\r\n");
2089 if (start_of_text == NULL) start_of_text = strstr(mptr, "\n\n");
2090 if (start_of_text == NULL) start_of_text = mptr;
2092 start_of_text = strstr(start_of_text, "\n");
2097 int nllen = strlen(nl);
2099 while (ch=*mptr, ch!=0) {
2105 ((headers_only == HEADERS_NONE) && (mptr >= start_of_text))
2106 || ((headers_only == HEADERS_ONLY) && (mptr < start_of_text))
2107 || ((headers_only != HEADERS_NONE) && (headers_only != HEADERS_ONLY))
2110 sprintf(&outbuf[outlen], "%s", nl);
2114 outbuf[outlen++] = ch;
2118 if (flags & ESC_DOT)
2120 if ((prev_ch == 10) && (ch == '.') && ((*(mptr+1) == 13) || (*(mptr+1) == 10)))
2122 outbuf[outlen++] = '.';
2127 if (outlen > 1000) {
2128 client_write(outbuf, outlen);
2133 client_write(outbuf, outlen);
2141 if (headers_only == HEADERS_ONLY) {
2145 /* signify start of msg text */
2146 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2147 if (do_proto) cprintf("text\n");
2150 /* If the format type on disk is 1 (fixed-format), then we want
2151 * everything to be output completely literally ... regardless of
2152 * what message transfer format is in use.
2154 if (TheMessage->cm_format_type == FMT_FIXED) {
2157 int nllen = strlen (nl);
2158 if (mode == MT_MIME) {
2159 cprintf("Content-type: text/plain\n\n");
2163 while (ch = *mptr++, ch > 0) {
2167 if ((buflen > 250) && (!xlline)){
2171 while ((buflen > 0) &&
2172 (!isspace(buf[buflen])))
2178 mptr -= tbuflen - buflen;
2183 /* if we reach the outer bounds of our buffer,
2184 abort without respect what whe purge. */
2187 (buflen > SIZ - nllen - 2)))
2191 memcpy (&buf[buflen], nl, nllen);
2195 client_write(buf, buflen);
2205 if (!IsEmptyStr(buf))
2206 cprintf("%s%s", buf, nl);
2209 /* If the message on disk is format 0 (Citadel vari-format), we
2210 * output using the formatter at 80 columns. This is the final output
2211 * form if the transfer format is RFC822, but if the transfer format
2212 * is Citadel proprietary, it'll still work, because the indentation
2213 * for new paragraphs is correct and the client will reformat the
2214 * message to the reader's screen width.
2216 if (TheMessage->cm_format_type == FMT_CITADEL) {
2217 if (mode == MT_MIME) {
2218 cprintf("Content-type: text/x-citadel-variformat\n\n");
2223 /* If the message on disk is format 4 (MIME), we've gotta hand it
2224 * off to the MIME parser. The client has already been told that
2225 * this message is format 1 (fixed format), so the callback function
2226 * we use will display those parts as-is.
2228 if (TheMessage->cm_format_type == FMT_RFC822) {
2229 memset(&ma, 0, sizeof(struct ma_info));
2231 if (mode == MT_MIME) {
2232 ma.use_fo_hooks = 0;
2233 strcpy(ma.chosen_part, "1");
2234 ma.chosen_pref = 9999;
2235 mime_parser(mptr, NULL,
2236 *choose_preferred, *fixed_output_pre,
2237 *fixed_output_post, (void *)&ma, 0);
2238 mime_parser(mptr, NULL,
2239 *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
2242 ma.use_fo_hooks = 1;
2243 mime_parser(mptr, NULL,
2244 *fixed_output, *fixed_output_pre,
2245 *fixed_output_post, (void *)&ma, 0);
2250 DONE: /* now we're done */
2251 if (do_proto) cprintf("000\n");
2258 * display a message (mode 0 - Citadel proprietary)
2260 void cmd_msg0(char *cmdbuf)
2263 int headers_only = HEADERS_ALL;
2265 msgid = extract_long(cmdbuf, 0);
2266 headers_only = extract_int(cmdbuf, 1);
2268 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2274 * display a message (mode 2 - RFC822)
2276 void cmd_msg2(char *cmdbuf)
2279 int headers_only = HEADERS_ALL;
2281 msgid = extract_long(cmdbuf, 0);
2282 headers_only = extract_int(cmdbuf, 1);
2284 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2290 * display a message (mode 3 - IGnet raw format - internal programs only)
2292 void cmd_msg3(char *cmdbuf)
2295 struct CtdlMessage *msg = NULL;
2298 if (CC->internal_pgm == 0) {
2299 cprintf("%d This command is for internal programs only.\n",
2300 ERROR + HIGHER_ACCESS_REQUIRED);
2304 msgnum = extract_long(cmdbuf, 0);
2305 msg = CtdlFetchMessage(msgnum, 1);
2307 cprintf("%d Message %ld not found.\n",
2308 ERROR + MESSAGE_NOT_FOUND, msgnum);
2312 serialize_message(&smr, msg);
2313 CtdlFreeMessage(msg);
2316 cprintf("%d Unable to serialize message\n",
2317 ERROR + INTERNAL_ERROR);
2321 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2322 client_write((char *)smr.ser, (int)smr.len);
2329 * Display a message using MIME content types
2331 void cmd_msg4(char *cmdbuf)
2336 msgid = extract_long(cmdbuf, 0);
2337 extract_token(section, cmdbuf, 1, '|', sizeof section);
2338 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2344 * Client tells us its preferred message format(s)
2346 void cmd_msgp(char *cmdbuf)
2348 if (!strcasecmp(cmdbuf, "dont_decode")) {
2349 CC->msg4_dont_decode = 1;
2350 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2353 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2354 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2360 * Open a component of a MIME message as a download file
2362 void cmd_opna(char *cmdbuf)
2365 char desired_section[128];
2367 msgid = extract_long(cmdbuf, 0);
2368 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2369 safestrncpy(CC->download_desired_section, desired_section,
2370 sizeof CC->download_desired_section);
2371 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2376 * Open a component of a MIME message and transmit it all at once
2378 void cmd_dlat(char *cmdbuf)
2381 char desired_section[128];
2383 msgid = extract_long(cmdbuf, 0);
2384 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2385 safestrncpy(CC->download_desired_section, desired_section,
2386 sizeof CC->download_desired_section);
2387 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2392 * Save one or more message pointers into a specified room
2393 * (Returns 0 for success, nonzero for failure)
2394 * roomname may be NULL to use the current room
2396 * Note that the 'supplied_msg' field may be set to NULL, in which case
2397 * the message will be fetched from disk, by number, if we need to perform
2398 * replication checks. This adds an additional database read, so if the
2399 * caller already has the message in memory then it should be supplied. (Obviously
2400 * this mode of operation only works if we're saving a single message.)
2402 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2403 int do_repl_check, struct CtdlMessage *supplied_msg)
2406 char hold_rm[ROOMNAMELEN];
2407 struct cdbdata *cdbfr;
2410 long highest_msg = 0L;
2413 struct CtdlMessage *msg = NULL;
2415 long *msgs_to_be_merged = NULL;
2416 int num_msgs_to_be_merged = 0;
2418 CtdlLogPrintf(CTDL_DEBUG,
2419 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
2420 roomname, num_newmsgs, do_repl_check);
2422 strcpy(hold_rm, CC->room.QRname);
2425 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2426 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2427 if (num_newmsgs > 1) supplied_msg = NULL;
2429 /* Now the regular stuff */
2430 if (CtdlGetRoomLock(&CC->room,
2431 ((roomname != NULL) ? roomname : CC->room.QRname) )
2433 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2434 return(ERROR + ROOM_NOT_FOUND);
2438 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2439 num_msgs_to_be_merged = 0;
2442 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2443 if (cdbfr == NULL) {
2447 msglist = (long *) cdbfr->ptr;
2448 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2449 num_msgs = cdbfr->len / sizeof(long);
2454 /* Create a list of msgid's which were supplied by the caller, but do
2455 * not already exist in the target room. It is absolutely taboo to
2456 * have more than one reference to the same message in a room.
2458 for (i=0; i<num_newmsgs; ++i) {
2460 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2461 if (msglist[j] == newmsgidlist[i]) {
2466 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2470 CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2473 * Now merge the new messages
2475 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2476 if (msglist == NULL) {
2477 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2479 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2480 num_msgs += num_msgs_to_be_merged;
2482 /* Sort the message list, so all the msgid's are in order */
2483 num_msgs = sort_msglist(msglist, num_msgs);
2485 /* Determine the highest message number */
2486 highest_msg = msglist[num_msgs - 1];
2488 /* Write it back to disk. */
2489 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2490 msglist, (int)(num_msgs * sizeof(long)));
2492 /* Free up the memory we used. */
2495 /* Update the highest-message pointer and unlock the room. */
2496 CC->room.QRhighest = highest_msg;
2497 CtdlPutRoomLock(&CC->room);
2499 /* Perform replication checks if necessary */
2500 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2501 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2503 for (i=0; i<num_msgs_to_be_merged; ++i) {
2504 msgid = msgs_to_be_merged[i];
2506 if (supplied_msg != NULL) {
2510 msg = CtdlFetchMessage(msgid, 0);
2514 ReplicationChecks(msg);
2516 /* If the message has an Exclusive ID, index that... */
2517 if (msg->cm_fields['E'] != NULL) {
2518 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2521 /* Free up the memory we may have allocated */
2522 if (msg != supplied_msg) {
2523 CtdlFreeMessage(msg);
2531 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2534 /* Submit this room for processing by hooks */
2535 PerformRoomHooks(&CC->room);
2537 /* Go back to the room we were in before we wandered here... */
2538 CtdlGetRoom(&CC->room, hold_rm);
2540 /* Bump the reference count for all messages which were merged */
2541 for (i=0; i<num_msgs_to_be_merged; ++i) {
2542 AdjRefCount(msgs_to_be_merged[i], +1);
2545 /* Free up memory... */
2546 if (msgs_to_be_merged != NULL) {
2547 free(msgs_to_be_merged);
2550 /* Return success. */
2556 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2559 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2560 int do_repl_check, struct CtdlMessage *supplied_msg)
2562 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg);
2569 * Message base operation to save a new message to the message store
2570 * (returns new message number)
2572 * This is the back end for CtdlSubmitMsg() and should not be directly
2573 * called by server-side modules.
2576 long send_message(struct CtdlMessage *msg) {
2584 /* Get a new message number */
2585 newmsgid = get_new_message_number();
2586 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2588 /* Generate an ID if we don't have one already */
2589 if (msg->cm_fields['I']==NULL) {
2590 msg->cm_fields['I'] = strdup(msgidbuf);
2593 /* If the message is big, set its body aside for storage elsewhere */
2594 if (msg->cm_fields['M'] != NULL) {
2595 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2597 holdM = msg->cm_fields['M'];
2598 msg->cm_fields['M'] = NULL;
2602 /* Serialize our data structure for storage in the database */
2603 serialize_message(&smr, msg);
2606 msg->cm_fields['M'] = holdM;
2610 cprintf("%d Unable to serialize message\n",
2611 ERROR + INTERNAL_ERROR);
2615 /* Write our little bundle of joy into the message base */
2616 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2617 smr.ser, smr.len) < 0) {
2618 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2622 cdb_store(CDB_BIGMSGS,
2632 /* Free the memory we used for the serialized message */
2635 /* Return the *local* message ID to the caller
2636 * (even if we're storing an incoming network message)
2644 * Serialize a struct CtdlMessage into the format used on disk and network.
2646 * This function loads up a "struct ser_ret" (defined in server.h) which
2647 * contains the length of the serialized message and a pointer to the
2648 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2650 void serialize_message(struct ser_ret *ret, /* return values */
2651 struct CtdlMessage *msg) /* unserialized msg */
2653 size_t wlen, fieldlen;
2655 static char *forder = FORDER;
2658 * Check for valid message format
2660 if (is_valid_message(msg) == 0) {
2661 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2668 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2669 ret->len = ret->len +
2670 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2672 ret->ser = malloc(ret->len);
2673 if (ret->ser == NULL) {
2674 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2675 (long)ret->len, strerror(errno));
2682 ret->ser[1] = msg->cm_anon_type;
2683 ret->ser[2] = msg->cm_format_type;
2686 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2687 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2688 ret->ser[wlen++] = (char)forder[i];
2689 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2690 wlen = wlen + fieldlen + 1;
2692 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2693 (long)ret->len, (long)wlen);
2700 * Serialize a struct CtdlMessage into the format used on disk and network.
2702 * This function loads up a "struct ser_ret" (defined in server.h) which
2703 * contains the length of the serialized message and a pointer to the
2704 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2706 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2707 long Siz) /* how many chars ? */
2711 static char *forder = FORDER;
2715 * Check for valid message format
2717 if (is_valid_message(msg) == 0) {
2718 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2722 buf = (char*) malloc (Siz + 1);
2726 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2727 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2728 msg->cm_fields[(int)forder[i]]);
2729 client_write (buf, strlen(buf));
2738 * Check to see if any messages already exist in the current room which
2739 * carry the same Exclusive ID as this one. If any are found, delete them.
2741 void ReplicationChecks(struct CtdlMessage *msg) {
2742 long old_msgnum = (-1L);
2744 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2746 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2749 /* No exclusive id? Don't do anything. */
2750 if (msg == NULL) return;
2751 if (msg->cm_fields['E'] == NULL) return;
2752 if (IsEmptyStr(msg->cm_fields['E'])) return;
2753 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2754 msg->cm_fields['E'], CC->room.QRname);*/
2756 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2757 if (old_msgnum > 0L) {
2758 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2759 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2766 * Save a message to disk and submit it into the delivery system.
2768 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2769 struct recptypes *recps, /* recipients (if mail) */
2770 char *force, /* force a particular room? */
2771 int flags /* should the message be exported clean? */
2773 char submit_filename[128];
2774 char generated_timestamp[32];
2775 char hold_rm[ROOMNAMELEN];
2776 char actual_rm[ROOMNAMELEN];
2777 char force_room[ROOMNAMELEN];
2778 char content_type[SIZ]; /* We have to learn this */
2779 char recipient[SIZ];
2782 struct ctdluser userbuf;
2784 struct MetaData smi;
2785 FILE *network_fp = NULL;
2786 static int seqnum = 1;
2787 struct CtdlMessage *imsg = NULL;
2789 size_t instr_alloc = 0;
2791 char *hold_R, *hold_D;
2792 char *collected_addresses = NULL;
2793 struct addresses_to_be_filed *aptr = NULL;
2794 char *saved_rfc822_version = NULL;
2795 int qualified_for_journaling = 0;
2796 CitContext *CCC = CC; /* CachedCitContext - performance boost */
2797 char bounce_to[1024] = "";
2801 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2802 if (is_valid_message(msg) == 0) return(-1); /* self check */
2804 /* If this message has no timestamp, we take the liberty of
2805 * giving it one, right now.
2807 if (msg->cm_fields['T'] == NULL) {
2808 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2809 msg->cm_fields['T'] = strdup(generated_timestamp);
2812 /* If this message has no path, we generate one.
2814 if (msg->cm_fields['P'] == NULL) {
2815 if (msg->cm_fields['A'] != NULL) {
2816 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2817 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2818 if (isspace(msg->cm_fields['P'][a])) {
2819 msg->cm_fields['P'][a] = ' ';
2824 msg->cm_fields['P'] = strdup("unknown");
2828 if (force == NULL) {
2829 strcpy(force_room, "");
2832 strcpy(force_room, force);
2835 /* Learn about what's inside, because it's what's inside that counts */
2836 if (msg->cm_fields['M'] == NULL) {
2837 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
2841 switch (msg->cm_format_type) {
2843 strcpy(content_type, "text/x-citadel-variformat");
2846 strcpy(content_type, "text/plain");
2849 strcpy(content_type, "text/plain");
2850 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2853 safestrncpy(content_type, &mptr[13], sizeof content_type);
2854 striplt(content_type);
2855 aptr = content_type;
2856 while (!IsEmptyStr(aptr)) {
2868 /* Goto the correct room */
2869 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
2870 strcpy(hold_rm, CCC->room.QRname);
2871 strcpy(actual_rm, CCC->room.QRname);
2872 if (recps != NULL) {
2873 strcpy(actual_rm, SENTITEMS);
2876 /* If the user is a twit, move to the twit room for posting */
2878 if (CCC->user.axlevel == 2) {
2879 strcpy(hold_rm, actual_rm);
2880 strcpy(actual_rm, config.c_twitroom);
2881 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
2885 /* ...or if this message is destined for Aide> then go there. */
2886 if (!IsEmptyStr(force_room)) {
2887 strcpy(actual_rm, force_room);
2890 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2891 if (strcasecmp(actual_rm, CCC->room.QRname)) {
2892 /* CtdlGetRoom(&CCC->room, actual_rm); */
2893 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
2897 * If this message has no O (room) field, generate one.
2899 if (msg->cm_fields['O'] == NULL) {
2900 msg->cm_fields['O'] = strdup(CCC->room.QRname);
2903 /* Perform "before save" hooks (aborting if any return nonzero) */
2904 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
2905 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
2908 * If this message has an Exclusive ID, and the room is replication
2909 * checking enabled, then do replication checks.
2911 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
2912 ReplicationChecks(msg);
2915 /* Save it to disk */
2916 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
2917 newmsgid = send_message(msg);
2918 if (newmsgid <= 0L) return(-5);
2920 /* Write a supplemental message info record. This doesn't have to
2921 * be a critical section because nobody else knows about this message
2924 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
2925 memset(&smi, 0, sizeof(struct MetaData));
2926 smi.meta_msgnum = newmsgid;
2927 smi.meta_refcount = 0;
2928 safestrncpy(smi.meta_content_type, content_type,
2929 sizeof smi.meta_content_type);
2932 * Measure how big this message will be when rendered as RFC822.
2933 * We do this for two reasons:
2934 * 1. We need the RFC822 length for the new metadata record, so the
2935 * POP and IMAP services don't have to calculate message lengths
2936 * while the user is waiting (multiplied by potentially hundreds
2937 * or thousands of messages).
2938 * 2. If journaling is enabled, we will need an RFC822 version of the
2939 * message to attach to the journalized copy.
2941 if (CCC->redirect_buffer != NULL) {
2942 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
2945 CCC->redirect_buffer = malloc(SIZ);
2946 CCC->redirect_len = 0;
2947 CCC->redirect_alloc = SIZ;
2948 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
2949 smi.meta_rfc822_length = CCC->redirect_len;
2950 saved_rfc822_version = CCC->redirect_buffer;
2951 CCC->redirect_buffer = NULL;
2952 CCC->redirect_len = 0;
2953 CCC->redirect_alloc = 0;
2957 /* Now figure out where to store the pointers */
2958 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
2960 /* If this is being done by the networker delivering a private
2961 * message, we want to BYPASS saving the sender's copy (because there
2962 * is no local sender; it would otherwise go to the Trashcan).
2964 if ((!CCC->internal_pgm) || (recps == NULL)) {
2965 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
2966 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
2967 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
2971 /* For internet mail, drop a copy in the outbound queue room */
2972 if ((recps != NULL) && (recps->num_internet > 0)) {
2973 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
2976 /* If other rooms are specified, drop them there too. */
2977 if ((recps != NULL) && (recps->num_room > 0))
2978 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2979 extract_token(recipient, recps->recp_room, i,
2980 '|', sizeof recipient);
2981 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
2982 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
2985 /* Bump this user's messages posted counter. */
2986 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
2987 CtdlGetUserLock(&CCC->user, CCC->curr_user);
2988 CCC->user.posted = CCC->user.posted + 1;
2989 CtdlPutUserLock(&CCC->user);
2991 /* Decide where bounces need to be delivered */
2992 if ((recps != NULL) && (recps->bounce_to != NULL)) {
2993 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
2995 else if (CCC->logged_in) {
2996 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
2999 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3002 /* If this is private, local mail, make a copy in the
3003 * recipient's mailbox and bump the reference count.
3005 if ((recps != NULL) && (recps->num_local > 0))
3006 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3007 extract_token(recipient, recps->recp_local, i,
3008 '|', sizeof recipient);
3009 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
3011 if (CtdlGetUser(&userbuf, recipient) == 0) {
3012 // Add a flag so the Funambol module knows its mail
3013 msg->cm_fields['W'] = strdup(recipient);
3014 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3015 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3016 CtdlBumpNewMailCounter(userbuf.usernum);
3017 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3018 /* Generate a instruction message for the Funambol notification
3019 * server, in the same style as the SMTP queue
3022 instr = malloc(instr_alloc);
3023 snprintf(instr, instr_alloc,
3024 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3026 SPOOLMIME, newmsgid, (long)time(NULL),
3030 imsg = malloc(sizeof(struct CtdlMessage));
3031 memset(imsg, 0, sizeof(struct CtdlMessage));
3032 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3033 imsg->cm_anon_type = MES_NORMAL;
3034 imsg->cm_format_type = FMT_RFC822;
3035 imsg->cm_fields['A'] = strdup("Citadel");
3036 imsg->cm_fields['J'] = strdup("do not journal");
3037 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3038 imsg->cm_fields['W'] = strdup(recipient);
3039 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3040 CtdlFreeMessage(imsg);
3044 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
3045 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3050 /* Perform "after save" hooks */
3051 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
3052 PerformMessageHooks(msg, EVT_AFTERSAVE);
3054 /* For IGnet mail, we have to save a new copy into the spooler for
3055 * each recipient, with the R and D fields set to the recipient and
3056 * destination-node. This has two ugly side effects: all other
3057 * recipients end up being unlisted in this recipient's copy of the
3058 * message, and it has to deliver multiple messages to the same
3059 * node. We'll revisit this again in a year or so when everyone has
3060 * a network spool receiver that can handle the new style messages.
3062 if ((recps != NULL) && (recps->num_ignet > 0))
3063 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3064 extract_token(recipient, recps->recp_ignet, i,
3065 '|', sizeof recipient);
3067 hold_R = msg->cm_fields['R'];
3068 hold_D = msg->cm_fields['D'];
3069 msg->cm_fields['R'] = malloc(SIZ);
3070 msg->cm_fields['D'] = malloc(128);
3071 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3072 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3074 serialize_message(&smr, msg);
3076 snprintf(submit_filename, sizeof submit_filename,
3077 "%s/netmail.%04lx.%04x.%04x",
3079 (long) getpid(), CCC->cs_pid, ++seqnum);
3080 network_fp = fopen(submit_filename, "wb+");
3081 if (network_fp != NULL) {
3082 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3088 free(msg->cm_fields['R']);
3089 free(msg->cm_fields['D']);
3090 msg->cm_fields['R'] = hold_R;
3091 msg->cm_fields['D'] = hold_D;
3094 /* Go back to the room we started from */
3095 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
3096 if (strcasecmp(hold_rm, CCC->room.QRname))
3097 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3099 /* For internet mail, generate delivery instructions.
3100 * Yes, this is recursive. Deal with it. Infinite recursion does
3101 * not happen because the delivery instructions message does not
3102 * contain a recipient.
3104 if ((recps != NULL) && (recps->num_internet > 0)) {
3105 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
3107 instr = malloc(instr_alloc);
3108 snprintf(instr, instr_alloc,
3109 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3111 SPOOLMIME, newmsgid, (long)time(NULL),
3115 if (recps->envelope_from != NULL) {
3116 tmp = strlen(instr);
3117 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3120 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3121 tmp = strlen(instr);
3122 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3123 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3124 instr_alloc = instr_alloc * 2;
3125 instr = realloc(instr, instr_alloc);
3127 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3130 imsg = malloc(sizeof(struct CtdlMessage));
3131 memset(imsg, 0, sizeof(struct CtdlMessage));
3132 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3133 imsg->cm_anon_type = MES_NORMAL;
3134 imsg->cm_format_type = FMT_RFC822;
3135 imsg->cm_fields['A'] = strdup("Citadel");
3136 imsg->cm_fields['J'] = strdup("do not journal");
3137 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3138 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3139 CtdlFreeMessage(imsg);
3143 * Any addresses to harvest for someone's address book?
3145 if ( (CCC->logged_in) && (recps != NULL) ) {
3146 collected_addresses = harvest_collected_addresses(msg);
3149 if (collected_addresses != NULL) {
3150 aptr = (struct addresses_to_be_filed *)
3151 malloc(sizeof(struct addresses_to_be_filed));
3152 CtdlMailboxName(actual_rm, sizeof actual_rm,
3153 &CCC->user, USERCONTACTSROOM);
3154 aptr->roomname = strdup(actual_rm);
3155 aptr->collected_addresses = collected_addresses;
3156 begin_critical_section(S_ATBF);
3159 end_critical_section(S_ATBF);
3163 * Determine whether this message qualifies for journaling.
3165 if (msg->cm_fields['J'] != NULL) {
3166 qualified_for_journaling = 0;
3169 if (recps == NULL) {
3170 qualified_for_journaling = config.c_journal_pubmsgs;
3172 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3173 qualified_for_journaling = config.c_journal_email;
3176 qualified_for_journaling = config.c_journal_pubmsgs;
3181 * Do we have to perform journaling? If so, hand off the saved
3182 * RFC822 version will be handed off to the journaler for background
3183 * submit. Otherwise, we have to free the memory ourselves.
3185 if (saved_rfc822_version != NULL) {
3186 if (qualified_for_journaling) {
3187 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3190 free(saved_rfc822_version);
3200 void aide_message (char *text, char *subject)
3202 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3207 * Convenience function for generating small administrative messages.
3209 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3210 int format_type, const char *subject)
3212 struct CtdlMessage *msg;
3213 struct recptypes *recp = NULL;
3215 msg = malloc(sizeof(struct CtdlMessage));
3216 memset(msg, 0, sizeof(struct CtdlMessage));
3217 msg->cm_magic = CTDLMESSAGE_MAGIC;
3218 msg->cm_anon_type = MES_NORMAL;
3219 msg->cm_format_type = format_type;
3222 msg->cm_fields['A'] = strdup(from);
3224 else if (fromaddr != NULL) {
3225 msg->cm_fields['A'] = strdup(fromaddr);
3226 if (strchr(msg->cm_fields['A'], '@')) {
3227 *strchr(msg->cm_fields['A'], '@') = 0;
3231 msg->cm_fields['A'] = strdup("Citadel");
3234 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3235 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3236 msg->cm_fields['N'] = strdup(NODENAME);
3238 msg->cm_fields['R'] = strdup(to);
3239 recp = validate_recipients(to, NULL, 0);
3241 if (subject != NULL) {
3242 msg->cm_fields['U'] = strdup(subject);
3244 msg->cm_fields['M'] = strdup(text);
3246 CtdlSubmitMsg(msg, recp, room, 0);
3247 CtdlFreeMessage(msg);
3248 if (recp != NULL) free_recipients(recp);
3254 * Back end function used by CtdlMakeMessage() and similar functions
3256 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3258 size_t maxlen, /* maximum message length */
3259 char *exist, /* if non-null, append to it;
3260 exist is ALWAYS freed */
3261 int crlf, /* CRLF newlines instead of LF */
3262 int *sock /* socket handle or 0 for this session's client socket */
3271 LineBuf = NewStrBufPlain(NULL, SIZ);
3272 if (exist == NULL) {
3273 Message = NewStrBufPlain(NULL, 4 * SIZ);
3276 Message = NewStrBufPlain(exist, -1);
3280 /* Do we need to change leading ".." to "." for SMTP escaping? */
3281 if ((tlen == 1) && (*terminator == '.')) {
3285 /* read in the lines of message text one by one */
3288 if ((CtdlSockGetLine(sock, LineBuf) < 0) ||
3293 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3295 if ((StrLength(LineBuf) == tlen) &&
3296 (!strcmp(ChrPtr(LineBuf), terminator)))
3299 if ( (!flushing) && (!finished) ) {
3301 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3304 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3307 /* Unescape SMTP-style input of two dots at the beginning of the line */
3309 (StrLength(LineBuf) == 2) &&
3310 (!strcmp(ChrPtr(LineBuf), "..")))
3312 StrBufCutLeft(LineBuf, 1);
3315 StrBufAppendBuf(Message, LineBuf, 0);
3318 /* if we've hit the max msg length, flush the rest */
3319 if (StrLength(Message) >= maxlen) flushing = 1;
3321 } while (!finished);
3322 FreeStrBuf(&LineBuf);
3328 * Back end function used by CtdlMakeMessage() and similar functions
3330 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3332 size_t maxlen, /* maximum message length */
3333 char *exist, /* if non-null, append to it;
3334 exist is ALWAYS freed */
3335 int crlf, /* CRLF newlines instead of LF */
3336 int *sock /* socket handle or 0 for this session's client socket */
3341 Message = CtdlReadMessageBodyBuf(terminator,
3347 if (Message == NULL)
3350 return SmashStrBuf(&Message);
3355 * Build a binary message to be saved on disk.
3356 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3357 * will become part of the message. This means you are no longer
3358 * responsible for managing that memory -- it will be freed along with
3359 * the rest of the fields when CtdlFreeMessage() is called.)
3362 struct CtdlMessage *CtdlMakeMessage(
3363 struct ctdluser *author, /* author's user structure */
3364 char *recipient, /* NULL if it's not mail */
3365 char *recp_cc, /* NULL if it's not mail */
3366 char *room, /* room where it's going */
3367 int type, /* see MES_ types in header file */
3368 int format_type, /* variformat, plain text, MIME... */
3369 char *fake_name, /* who we're masquerading as */
3370 char *my_email, /* which of my email addresses to use (empty is ok) */
3371 char *subject, /* Subject (optional) */
3372 char *supplied_euid, /* ...or NULL if this is irrelevant */
3373 char *preformatted_text, /* ...or NULL to read text from client */
3374 char *references /* Thread references */
3376 char dest_node[256];
3378 struct CtdlMessage *msg;
3380 msg = malloc(sizeof(struct CtdlMessage));
3381 memset(msg, 0, sizeof(struct CtdlMessage));
3382 msg->cm_magic = CTDLMESSAGE_MAGIC;
3383 msg->cm_anon_type = type;
3384 msg->cm_format_type = format_type;
3386 /* Don't confuse the poor folks if it's not routed mail. */
3387 strcpy(dest_node, "");
3389 if (recipient != NULL) striplt(recipient);
3390 if (recp_cc != NULL) striplt(recp_cc);
3392 /* Path or Return-Path */
3393 if (my_email == NULL) my_email = "";
3395 if (!IsEmptyStr(my_email)) {
3396 msg->cm_fields['P'] = strdup(my_email);
3399 snprintf(buf, sizeof buf, "%s", author->fullname);
3400 msg->cm_fields['P'] = strdup(buf);
3402 convert_spaces_to_underscores(msg->cm_fields['P']);
3404 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3405 msg->cm_fields['T'] = strdup(buf);
3407 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3408 msg->cm_fields['A'] = strdup(fake_name);
3411 msg->cm_fields['A'] = strdup(author->fullname);
3414 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3415 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3418 msg->cm_fields['O'] = strdup(CC->room.QRname);
3421 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3422 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3424 if ((recipient != NULL) && (recipient[0] != 0)) {
3425 msg->cm_fields['R'] = strdup(recipient);
3427 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3428 msg->cm_fields['Y'] = strdup(recp_cc);
3430 if (dest_node[0] != 0) {
3431 msg->cm_fields['D'] = strdup(dest_node);
3434 if (!IsEmptyStr(my_email)) {
3435 msg->cm_fields['F'] = strdup(my_email);
3437 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3438 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3441 if (subject != NULL) {
3444 length = strlen(subject);
3450 while ((subject[i] != '\0') &&
3451 (IsAscii = isascii(subject[i]) != 0 ))
3454 msg->cm_fields['U'] = strdup(subject);
3455 else /* ok, we've got utf8 in the string. */
3457 msg->cm_fields['U'] = rfc2047encode(subject, length);
3463 if (supplied_euid != NULL) {
3464 msg->cm_fields['E'] = strdup(supplied_euid);
3467 if (references != NULL) {
3468 if (!IsEmptyStr(references)) {
3469 msg->cm_fields['W'] = strdup(references);
3473 if (preformatted_text != NULL) {
3474 msg->cm_fields['M'] = preformatted_text;
3477 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3485 * Check to see whether we have permission to post a message in the current
3486 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3487 * returns 0 on success.
3489 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf,
3491 const char* RemoteIdentifier,
3495 if (!(CC->logged_in) &&
3496 (PostPublic == POST_LOGGED_IN)) {
3497 snprintf(errmsgbuf, n, "Not logged in.");
3498 return (ERROR + NOT_LOGGED_IN);
3500 else if (PostPublic == CHECK_EXISTANCE) {
3501 return (0); // We're Evaling whether a recipient exists
3503 else if (!(CC->logged_in)) {
3505 if ((CC->room.QRflags & QR_READONLY)) {
3506 snprintf(errmsgbuf, n, "Not logged in.");
3507 return (ERROR + NOT_LOGGED_IN);
3509 if (CC->room.QRflags2 & QR2_MODERATED) {
3510 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3511 return (ERROR + NOT_LOGGED_IN);
3513 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3518 if (RemoteIdentifier == NULL)
3520 snprintf(errmsgbuf, n, "Need sender to permit access.");
3521 return (ERROR + USERNAME_REQUIRED);
3524 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3525 begin_critical_section(S_NETCONFIGS);
3526 if (!read_spoolcontrol_file(&sc, filename))
3528 end_critical_section(S_NETCONFIGS);
3529 snprintf(errmsgbuf, n,
3530 "This mailing list only accepts posts from subscribers.");
3531 return (ERROR + NO_SUCH_USER);
3533 end_critical_section(S_NETCONFIGS);
3534 found = is_recipient (sc, RemoteIdentifier);
3535 free_spoolcontrol_struct(&sc);
3540 snprintf(errmsgbuf, n,
3541 "This mailing list only accepts posts from subscribers.");
3542 return (ERROR + NO_SUCH_USER);
3549 if ((CC->user.axlevel < 2)
3550 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3551 snprintf(errmsgbuf, n, "Need to be validated to enter "
3552 "(except in %s> to sysop)", MAILROOM);
3553 return (ERROR + HIGHER_ACCESS_REQUIRED);
3556 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3557 if (!(ra & UA_POSTALLOWED)) {
3558 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3559 return (ERROR + HIGHER_ACCESS_REQUIRED);
3562 strcpy(errmsgbuf, "Ok");
3568 * Check to see if the specified user has Internet mail permission
3569 * (returns nonzero if permission is granted)
3571 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3573 /* Do not allow twits to send Internet mail */
3574 if (who->axlevel <= 2) return(0);
3576 /* Globally enabled? */
3577 if (config.c_restrict == 0) return(1);
3579 /* User flagged ok? */
3580 if (who->flags & US_INTERNET) return(2);
3582 /* Aide level access? */
3583 if (who->axlevel >= 6) return(3);
3585 /* No mail for you! */
3591 * Validate recipients, count delivery types and errors, and handle aliasing
3592 * FIXME check for dupes!!!!!
3594 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3595 * were specified, or the number of addresses found invalid.
3597 * Caller needs to free the result using free_recipients()
3599 struct recptypes *validate_recipients(char *supplied_recipients,
3600 const char *RemoteIdentifier,
3602 struct recptypes *ret;
3603 char *recipients = NULL;
3604 char this_recp[256];
3605 char this_recp_cooked[256];
3611 struct ctdluser tempUS;
3612 struct ctdlroom tempQR;
3613 struct ctdlroom tempQR2;
3619 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3620 if (ret == NULL) return(NULL);
3622 /* Set all strings to null and numeric values to zero */
3623 memset(ret, 0, sizeof(struct recptypes));
3625 if (supplied_recipients == NULL) {
3626 recipients = strdup("");
3629 recipients = strdup(supplied_recipients);
3632 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3633 * actually need, but it's healthier for the heap than doing lots of tiny
3634 * realloc() calls instead.
3637 ret->errormsg = malloc(strlen(recipients) + 1024);
3638 ret->recp_local = malloc(strlen(recipients) + 1024);
3639 ret->recp_internet = malloc(strlen(recipients) + 1024);
3640 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3641 ret->recp_room = malloc(strlen(recipients) + 1024);
3642 ret->display_recp = malloc(strlen(recipients) + 1024);
3644 ret->errormsg[0] = 0;
3645 ret->recp_local[0] = 0;
3646 ret->recp_internet[0] = 0;
3647 ret->recp_ignet[0] = 0;
3648 ret->recp_room[0] = 0;
3649 ret->display_recp[0] = 0;
3651 ret->recptypes_magic = RECPTYPES_MAGIC;
3653 /* Change all valid separator characters to commas */
3654 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3655 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3656 recipients[i] = ',';
3660 /* Now start extracting recipients... */
3662 while (!IsEmptyStr(recipients)) {
3664 for (i=0; i<=strlen(recipients); ++i) {
3665 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3666 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3667 safestrncpy(this_recp, recipients, i+1);
3669 if (recipients[i] == ',') {
3670 strcpy(recipients, &recipients[i+1]);
3673 strcpy(recipients, "");
3680 if (IsEmptyStr(this_recp))
3682 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3684 mailtype = alias(this_recp);
3685 mailtype = alias(this_recp);
3686 mailtype = alias(this_recp);
3688 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3689 if (this_recp[j]=='_') {
3690 this_recp_cooked[j] = ' ';
3693 this_recp_cooked[j] = this_recp[j];
3696 this_recp_cooked[j] = '\0';
3701 if (!strcasecmp(this_recp, "sysop")) {
3703 strcpy(this_recp, config.c_aideroom);
3704 if (!IsEmptyStr(ret->recp_room)) {
3705 strcat(ret->recp_room, "|");
3707 strcat(ret->recp_room, this_recp);
3709 else if ( (!strncasecmp(this_recp, "room_", 5))
3710 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3712 /* Save room so we can restore it later */
3716 /* Check permissions to send mail to this room */
3717 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg,
3729 if (!IsEmptyStr(ret->recp_room)) {
3730 strcat(ret->recp_room, "|");
3732 strcat(ret->recp_room, &this_recp_cooked[5]);
3735 /* Restore room in case something needs it */
3739 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3741 strcpy(this_recp, tempUS.fullname);
3742 if (!IsEmptyStr(ret->recp_local)) {
3743 strcat(ret->recp_local, "|");
3745 strcat(ret->recp_local, this_recp);
3747 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3749 strcpy(this_recp, tempUS.fullname);
3750 if (!IsEmptyStr(ret->recp_local)) {
3751 strcat(ret->recp_local, "|");
3753 strcat(ret->recp_local, this_recp);
3761 /* Yes, you're reading this correctly: if the target
3762 * domain points back to the local system or an attached
3763 * Citadel directory, the address is invalid. That's
3764 * because if the address were valid, we would have
3765 * already translated it to a local address by now.
3767 if (IsDirectory(this_recp, 0)) {
3772 ++ret->num_internet;
3773 if (!IsEmptyStr(ret->recp_internet)) {
3774 strcat(ret->recp_internet, "|");
3776 strcat(ret->recp_internet, this_recp);
3781 if (!IsEmptyStr(ret->recp_ignet)) {
3782 strcat(ret->recp_ignet, "|");
3784 strcat(ret->recp_ignet, this_recp);
3792 if (IsEmptyStr(errmsg)) {
3793 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3796 snprintf(append, sizeof append, "%s", errmsg);
3798 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3799 if (!IsEmptyStr(ret->errormsg)) {
3800 strcat(ret->errormsg, "; ");
3802 strcat(ret->errormsg, append);
3806 if (IsEmptyStr(ret->display_recp)) {
3807 strcpy(append, this_recp);
3810 snprintf(append, sizeof append, ", %s", this_recp);
3812 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3813 strcat(ret->display_recp, append);
3818 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3819 ret->num_room + ret->num_error) == 0) {
3820 ret->num_error = (-1);
3821 strcpy(ret->errormsg, "No recipients specified.");
3824 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
3825 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3826 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3827 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3828 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3829 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
3837 * Destructor for struct recptypes
3839 void free_recipients(struct recptypes *valid) {
3841 if (valid == NULL) {
3845 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
3846 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
3850 if (valid->errormsg != NULL) free(valid->errormsg);
3851 if (valid->recp_local != NULL) free(valid->recp_local);
3852 if (valid->recp_internet != NULL) free(valid->recp_internet);
3853 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
3854 if (valid->recp_room != NULL) free(valid->recp_room);
3855 if (valid->display_recp != NULL) free(valid->display_recp);
3856 if (valid->bounce_to != NULL) free(valid->bounce_to);
3857 if (valid->envelope_from != NULL) free(valid->envelope_from);
3864 * message entry - mode 0 (normal)
3866 void cmd_ent0(char *entargs)
3872 char supplied_euid[128];
3874 int format_type = 0;
3875 char newusername[256];
3876 char newuseremail[256];
3877 struct CtdlMessage *msg;
3881 struct recptypes *valid = NULL;
3882 struct recptypes *valid_to = NULL;
3883 struct recptypes *valid_cc = NULL;
3884 struct recptypes *valid_bcc = NULL;
3886 int subject_required = 0;
3891 int newuseremail_ok = 0;
3892 char references[SIZ];
3897 post = extract_int(entargs, 0);
3898 extract_token(recp, entargs, 1, '|', sizeof recp);
3899 anon_flag = extract_int(entargs, 2);
3900 format_type = extract_int(entargs, 3);
3901 extract_token(subject, entargs, 4, '|', sizeof subject);
3902 extract_token(newusername, entargs, 5, '|', sizeof newusername);
3903 do_confirm = extract_int(entargs, 6);
3904 extract_token(cc, entargs, 7, '|', sizeof cc);
3905 extract_token(bcc, entargs, 8, '|', sizeof bcc);
3906 switch(CC->room.QRdefaultview) {
3909 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
3912 supplied_euid[0] = 0;
3915 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
3916 extract_token(references, entargs, 11, '|', sizeof references);
3917 for (ptr=references; *ptr != 0; ++ptr) {
3918 if (*ptr == '!') *ptr = '|';
3921 /* first check to make sure the request is valid. */
3923 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
3926 cprintf("%d %s\n", err, errmsg);
3930 /* Check some other permission type things. */
3932 if (IsEmptyStr(newusername)) {
3933 strcpy(newusername, CC->user.fullname);
3935 if ( (CC->user.axlevel < 6)
3936 && (strcasecmp(newusername, CC->user.fullname))
3937 && (strcasecmp(newusername, CC->cs_inet_fn))
3939 cprintf("%d You don't have permission to author messages as '%s'.\n",
3940 ERROR + HIGHER_ACCESS_REQUIRED,
3947 if (IsEmptyStr(newuseremail)) {
3948 newuseremail_ok = 1;
3951 if (!IsEmptyStr(newuseremail)) {
3952 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
3953 newuseremail_ok = 1;
3955 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
3956 j = num_tokens(CC->cs_inet_other_emails, '|');
3957 for (i=0; i<j; ++i) {
3958 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
3959 if (!strcasecmp(newuseremail, buf)) {
3960 newuseremail_ok = 1;
3966 if (!newuseremail_ok) {
3967 cprintf("%d You don't have permission to author messages as '%s'.\n",
3968 ERROR + HIGHER_ACCESS_REQUIRED,
3974 CC->cs_flags |= CS_POSTING;
3976 /* In mailbox rooms we have to behave a little differently --
3977 * make sure the user has specified at least one recipient. Then
3978 * validate the recipient(s). We do this for the Mail> room, as
3979 * well as any room which has the "Mailbox" view set.
3982 if ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
3983 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
3985 if (CC->user.axlevel < 2) {
3986 strcpy(recp, "sysop");
3991 valid_to = validate_recipients(recp, NULL, 0);
3992 if (valid_to->num_error > 0) {
3993 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
3994 free_recipients(valid_to);
3998 valid_cc = validate_recipients(cc, NULL, 0);
3999 if (valid_cc->num_error > 0) {
4000 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4001 free_recipients(valid_to);
4002 free_recipients(valid_cc);
4006 valid_bcc = validate_recipients(bcc, NULL, 0);
4007 if (valid_bcc->num_error > 0) {
4008 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4009 free_recipients(valid_to);
4010 free_recipients(valid_cc);
4011 free_recipients(valid_bcc);
4015 /* Recipient required, but none were specified */
4016 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4017 free_recipients(valid_to);
4018 free_recipients(valid_cc);
4019 free_recipients(valid_bcc);
4020 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4024 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4025 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4026 cprintf("%d You do not have permission "
4027 "to send Internet mail.\n",
4028 ERROR + HIGHER_ACCESS_REQUIRED);
4029 free_recipients(valid_to);
4030 free_recipients(valid_cc);
4031 free_recipients(valid_bcc);
4036 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)
4037 && (CC->user.axlevel < 4) ) {
4038 cprintf("%d Higher access required for network mail.\n",
4039 ERROR + HIGHER_ACCESS_REQUIRED);
4040 free_recipients(valid_to);
4041 free_recipients(valid_cc);
4042 free_recipients(valid_bcc);
4046 if ((RESTRICT_INTERNET == 1)
4047 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4048 && ((CC->user.flags & US_INTERNET) == 0)
4049 && (!CC->internal_pgm)) {
4050 cprintf("%d You don't have access to Internet mail.\n",
4051 ERROR + HIGHER_ACCESS_REQUIRED);
4052 free_recipients(valid_to);
4053 free_recipients(valid_cc);
4054 free_recipients(valid_bcc);
4060 /* Is this a room which has anonymous-only or anonymous-option? */
4061 anonymous = MES_NORMAL;
4062 if (CC->room.QRflags & QR_ANONONLY) {
4063 anonymous = MES_ANONONLY;
4065 if (CC->room.QRflags & QR_ANONOPT) {
4066 if (anon_flag == 1) { /* only if the user requested it */
4067 anonymous = MES_ANONOPT;
4071 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4075 /* Recommend to the client that the use of a message subject is
4076 * strongly recommended in this room, if either the SUBJECTREQ flag
4077 * is set, or if there is one or more Internet email recipients.
4079 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4080 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4081 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4082 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4084 /* If we're only checking the validity of the request, return
4085 * success without creating the message.
4088 cprintf("%d %s|%d\n", CIT_OK,
4089 ((valid_to != NULL) ? valid_to->display_recp : ""),
4091 free_recipients(valid_to);
4092 free_recipients(valid_cc);
4093 free_recipients(valid_bcc);
4097 /* We don't need these anymore because we'll do it differently below */
4098 free_recipients(valid_to);
4099 free_recipients(valid_cc);
4100 free_recipients(valid_bcc);
4102 /* Read in the message from the client. */
4104 cprintf("%d send message\n", START_CHAT_MODE);
4106 cprintf("%d send message\n", SEND_LISTING);
4109 msg = CtdlMakeMessage(&CC->user, recp, cc,
4110 CC->room.QRname, anonymous, format_type,
4111 newusername, newuseremail, subject,
4112 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4115 /* Put together one big recipients struct containing to/cc/bcc all in
4116 * one. This is for the envelope.
4118 char *all_recps = malloc(SIZ * 3);
4119 strcpy(all_recps, recp);
4120 if (!IsEmptyStr(cc)) {
4121 if (!IsEmptyStr(all_recps)) {
4122 strcat(all_recps, ",");
4124 strcat(all_recps, cc);
4126 if (!IsEmptyStr(bcc)) {
4127 if (!IsEmptyStr(all_recps)) {
4128 strcat(all_recps, ",");
4130 strcat(all_recps, bcc);
4132 if (!IsEmptyStr(all_recps)) {
4133 valid = validate_recipients(all_recps, NULL, 0);
4141 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4144 cprintf("%ld\n", msgnum);
4146 cprintf("Message accepted.\n");
4149 cprintf("Internal error.\n");
4151 if (msg->cm_fields['E'] != NULL) {
4152 cprintf("%s\n", msg->cm_fields['E']);
4159 CtdlFreeMessage(msg);
4161 if (valid != NULL) {
4162 free_recipients(valid);
4170 * API function to delete messages which match a set of criteria
4171 * (returns the actual number of messages deleted)
4173 int CtdlDeleteMessages(char *room_name, /* which room */
4174 long *dmsgnums, /* array of msg numbers to be deleted */
4175 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4176 char *content_type /* or "" for any. regular expressions expected. */
4179 struct ctdlroom qrbuf;
4180 struct cdbdata *cdbfr;
4181 long *msglist = NULL;
4182 long *dellist = NULL;
4185 int num_deleted = 0;
4187 struct MetaData smi;
4190 int need_to_free_re = 0;
4192 if (content_type) if (!IsEmptyStr(content_type)) {
4193 regcomp(&re, content_type, 0);
4194 need_to_free_re = 1;
4196 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4197 room_name, num_dmsgnums, content_type);
4199 /* get room record, obtaining a lock... */
4200 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4201 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4203 if (need_to_free_re) regfree(&re);
4204 return (0); /* room not found */
4206 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4208 if (cdbfr != NULL) {
4209 dellist = malloc(cdbfr->len);
4210 msglist = (long *) cdbfr->ptr;
4211 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4212 num_msgs = cdbfr->len / sizeof(long);
4216 for (i = 0; i < num_msgs; ++i) {
4219 /* Set/clear a bit for each criterion */
4221 /* 0 messages in the list or a null list means that we are
4222 * interested in deleting any messages which meet the other criteria.
4224 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4225 delete_this |= 0x01;
4228 for (j=0; j<num_dmsgnums; ++j) {
4229 if (msglist[i] == dmsgnums[j]) {
4230 delete_this |= 0x01;
4235 if (IsEmptyStr(content_type)) {
4236 delete_this |= 0x02;
4238 GetMetaData(&smi, msglist[i]);
4239 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4240 delete_this |= 0x02;
4244 /* Delete message only if all bits are set */
4245 if (delete_this == 0x03) {
4246 dellist[num_deleted++] = msglist[i];
4251 num_msgs = sort_msglist(msglist, num_msgs);
4252 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4253 msglist, (int)(num_msgs * sizeof(long)));
4256 qrbuf.QRhighest = msglist[num_msgs - 1];
4258 qrbuf.QRhighest = 0;
4260 CtdlPutRoomLock(&qrbuf);
4262 /* Go through the messages we pulled out of the index, and decrement
4263 * their reference counts by 1. If this is the only room the message
4264 * was in, the reference count will reach zero and the message will
4265 * automatically be deleted from the database. We do this in a
4266 * separate pass because there might be plug-in hooks getting called,
4267 * and we don't want that happening during an S_ROOMS critical
4270 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4271 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4272 AdjRefCount(dellist[i], -1);
4275 /* Now free the memory we used, and go away. */
4276 if (msglist != NULL) free(msglist);
4277 if (dellist != NULL) free(dellist);
4278 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4279 if (need_to_free_re) regfree(&re);
4280 return (num_deleted);
4286 * Check whether the current user has permission to delete messages from
4287 * the current room (returns 1 for yes, 0 for no)
4289 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4291 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4292 if (ra & UA_DELETEALLOWED) return(1);
4300 * Delete message from current room
4302 void cmd_dele(char *args)
4311 extract_token(msgset, args, 0, '|', sizeof msgset);
4312 num_msgs = num_tokens(msgset, ',');
4314 cprintf("%d Nothing to do.\n", CIT_OK);
4318 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4319 cprintf("%d Higher access required.\n",
4320 ERROR + HIGHER_ACCESS_REQUIRED);
4325 * Build our message set to be moved/copied
4327 msgs = malloc(num_msgs * sizeof(long));
4328 for (i=0; i<num_msgs; ++i) {
4329 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4330 msgs[i] = atol(msgtok);
4333 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4337 cprintf("%d %d message%s deleted.\n", CIT_OK,
4338 num_deleted, ((num_deleted != 1) ? "s" : ""));
4340 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4348 * move or copy a message to another room
4350 void cmd_move(char *args)
4357 char targ[ROOMNAMELEN];
4358 struct ctdlroom qtemp;
4365 extract_token(msgset, args, 0, '|', sizeof msgset);
4366 num_msgs = num_tokens(msgset, ',');
4368 cprintf("%d Nothing to do.\n", CIT_OK);
4372 extract_token(targ, args, 1, '|', sizeof targ);
4373 convert_room_name_macros(targ, sizeof targ);
4374 targ[ROOMNAMELEN - 1] = 0;
4375 is_copy = extract_int(args, 2);
4377 if (CtdlGetRoom(&qtemp, targ) != 0) {
4378 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4382 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4383 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4387 CtdlGetUser(&CC->user, CC->curr_user);
4388 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4390 /* Check for permission to perform this operation.
4391 * Remember: "CC->room" is source, "qtemp" is target.
4395 /* Aides can move/copy */
4396 if (CC->user.axlevel >= 6) permit = 1;
4398 /* Room aides can move/copy */
4399 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4401 /* Permit move/copy from personal rooms */
4402 if ((CC->room.QRflags & QR_MAILBOX)
4403 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4405 /* Permit only copy from public to personal room */
4407 && (!(CC->room.QRflags & QR_MAILBOX))
4408 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4410 /* Permit message removal from collaborative delete rooms */
4411 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4413 /* Users allowed to post into the target room may move into it too. */
4414 if ((CC->room.QRflags & QR_MAILBOX) &&
4415 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4417 /* User must have access to target room */
4418 if (!(ra & UA_KNOWN)) permit = 0;
4421 cprintf("%d Higher access required.\n",
4422 ERROR + HIGHER_ACCESS_REQUIRED);
4427 * Build our message set to be moved/copied
4429 msgs = malloc(num_msgs * sizeof(long));
4430 for (i=0; i<num_msgs; ++i) {
4431 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4432 msgs[i] = atol(msgtok);
4438 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL);
4440 cprintf("%d Cannot store message(s) in %s: error %d\n",
4446 /* Now delete the message from the source room,
4447 * if this is a 'move' rather than a 'copy' operation.
4450 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4454 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4460 * GetMetaData() - Get the supplementary record for a message
4462 void GetMetaData(struct MetaData *smibuf, long msgnum)
4465 struct cdbdata *cdbsmi;
4468 memset(smibuf, 0, sizeof(struct MetaData));
4469 smibuf->meta_msgnum = msgnum;
4470 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4472 /* Use the negative of the message number for its supp record index */
4473 TheIndex = (0L - msgnum);
4475 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4476 if (cdbsmi == NULL) {
4477 return; /* record not found; go with defaults */
4479 memcpy(smibuf, cdbsmi->ptr,
4480 ((cdbsmi->len > sizeof(struct MetaData)) ?
4481 sizeof(struct MetaData) : cdbsmi->len));
4488 * PutMetaData() - (re)write supplementary record for a message
4490 void PutMetaData(struct MetaData *smibuf)
4494 /* Use the negative of the message number for the metadata db index */
4495 TheIndex = (0L - smibuf->meta_msgnum);
4497 cdb_store(CDB_MSGMAIN,
4498 &TheIndex, (int)sizeof(long),
4499 smibuf, (int)sizeof(struct MetaData));
4504 * AdjRefCount - submit an adjustment to the reference count for a message.
4505 * (These are just queued -- we actually process them later.)
4507 void AdjRefCount(long msgnum, int incr)
4509 struct arcq new_arcq;
4512 begin_critical_section(S_SUPPMSGMAIN);
4513 if (arcfp == NULL) {
4514 arcfp = fopen(file_arcq, "ab+");
4516 end_critical_section(S_SUPPMSGMAIN);
4518 /* msgnum < 0 means that we're trying to close the file */
4520 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4521 begin_critical_section(S_SUPPMSGMAIN);
4522 if (arcfp != NULL) {
4526 end_critical_section(S_SUPPMSGMAIN);
4531 * If we can't open the queue, perform the operation synchronously.
4533 if (arcfp == NULL) {
4534 TDAP_AdjRefCount(msgnum, incr);
4538 new_arcq.arcq_msgnum = msgnum;
4539 new_arcq.arcq_delta = incr;
4540 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4548 * TDAP_ProcessAdjRefCountQueue()
4550 * Process the queue of message count adjustments that was created by calls
4551 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4552 * for each one. This should be an "off hours" operation.
4554 int TDAP_ProcessAdjRefCountQueue(void)
4556 char file_arcq_temp[PATH_MAX];
4559 struct arcq arcq_rec;
4560 int num_records_processed = 0;
4562 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4564 begin_critical_section(S_SUPPMSGMAIN);
4565 if (arcfp != NULL) {
4570 r = link(file_arcq, file_arcq_temp);
4572 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4573 end_critical_section(S_SUPPMSGMAIN);
4574 return(num_records_processed);
4578 end_critical_section(S_SUPPMSGMAIN);
4580 fp = fopen(file_arcq_temp, "rb");
4582 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4583 return(num_records_processed);
4586 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4587 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4588 ++num_records_processed;
4592 r = unlink(file_arcq_temp);
4594 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4597 return(num_records_processed);
4603 * TDAP_AdjRefCount - adjust the reference count for a message.
4604 * This one does it "for real" because it's called by
4605 * the autopurger function that processes the queue
4606 * created by AdjRefCount(). If a message's reference
4607 * count becomes zero, we also delete the message from
4608 * disk and de-index it.
4610 void TDAP_AdjRefCount(long msgnum, int incr)
4613 struct MetaData smi;
4616 /* This is a *tight* critical section; please keep it that way, as
4617 * it may get called while nested in other critical sections.
4618 * Complicating this any further will surely cause deadlock!
4620 begin_critical_section(S_SUPPMSGMAIN);
4621 GetMetaData(&smi, msgnum);
4622 smi.meta_refcount += incr;
4624 end_critical_section(S_SUPPMSGMAIN);
4625 CtdlLogPrintf(CTDL_DEBUG, "msg %ld ref count delta %+d, is now %d\n",
4626 msgnum, incr, smi.meta_refcount);
4628 /* If the reference count is now zero, delete the message
4629 * (and its supplementary record as well).
4631 if (smi.meta_refcount == 0) {
4632 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4634 /* Call delete hooks with NULL room to show it has gone altogether */
4635 PerformDeleteHooks(NULL, msgnum);
4637 /* Remove from message base */
4639 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4640 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4642 /* Remove metadata record */
4643 delnum = (0L - msgnum);
4644 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4650 * Write a generic object to this room
4652 * Note: this could be much more efficient. Right now we use two temporary
4653 * files, and still pull the message into memory as with all others.
4655 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4656 char *content_type, /* MIME type of this object */
4657 char *raw_message, /* Data to be written */
4658 off_t raw_length, /* Size of raw_message */
4659 struct ctdluser *is_mailbox, /* Mailbox room? */
4660 int is_binary, /* Is encoding necessary? */
4661 int is_unique, /* Del others of this type? */
4662 unsigned int flags /* Internal save flags */
4666 struct ctdlroom qrbuf;
4667 char roomname[ROOMNAMELEN];
4668 struct CtdlMessage *msg;
4669 char *encoded_message = NULL;
4671 if (is_mailbox != NULL) {
4672 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4675 safestrncpy(roomname, req_room, sizeof(roomname));
4678 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4681 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4684 encoded_message = malloc((size_t)(raw_length + 4096));
4687 sprintf(encoded_message, "Content-type: %s\n", content_type);
4690 sprintf(&encoded_message[strlen(encoded_message)],
4691 "Content-transfer-encoding: base64\n\n"
4695 sprintf(&encoded_message[strlen(encoded_message)],
4696 "Content-transfer-encoding: 7bit\n\n"
4702 &encoded_message[strlen(encoded_message)],
4710 &encoded_message[strlen(encoded_message)],
4716 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
4717 msg = malloc(sizeof(struct CtdlMessage));
4718 memset(msg, 0, sizeof(struct CtdlMessage));
4719 msg->cm_magic = CTDLMESSAGE_MAGIC;
4720 msg->cm_anon_type = MES_NORMAL;
4721 msg->cm_format_type = 4;
4722 msg->cm_fields['A'] = strdup(CC->user.fullname);
4723 msg->cm_fields['O'] = strdup(req_room);
4724 msg->cm_fields['N'] = strdup(config.c_nodename);
4725 msg->cm_fields['H'] = strdup(config.c_humannode);
4726 msg->cm_flags = flags;
4728 msg->cm_fields['M'] = encoded_message;
4730 /* Create the requested room if we have to. */
4731 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4732 CtdlCreateRoom(roomname,
4733 ( (is_mailbox != NULL) ? 5 : 3 ),
4734 "", 0, 1, 0, VIEW_BBS);
4736 /* If the caller specified this object as unique, delete all
4737 * other objects of this type that are currently in the room.
4740 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
4741 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4744 /* Now write the data */
4745 CtdlSubmitMsg(msg, NULL, roomname, 0);
4746 CtdlFreeMessage(msg);
4754 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4755 config_msgnum = msgnum;
4759 char *CtdlGetSysConfig(char *sysconfname) {
4760 char hold_rm[ROOMNAMELEN];
4763 struct CtdlMessage *msg;
4766 strcpy(hold_rm, CC->room.QRname);
4767 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4768 CtdlGetRoom(&CC->room, hold_rm);
4773 /* We want the last (and probably only) config in this room */
4774 begin_critical_section(S_CONFIG);
4775 config_msgnum = (-1L);
4776 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4777 CtdlGetSysConfigBackend, NULL);
4778 msgnum = config_msgnum;
4779 end_critical_section(S_CONFIG);
4785 msg = CtdlFetchMessage(msgnum, 1);
4787 conf = strdup(msg->cm_fields['M']);
4788 CtdlFreeMessage(msg);
4795 CtdlGetRoom(&CC->room, hold_rm);
4797 if (conf != NULL) do {
4798 extract_token(buf, conf, 0, '\n', sizeof buf);
4799 strcpy(conf, &conf[strlen(buf)+1]);
4800 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4806 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4807 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4812 * Determine whether a given Internet address belongs to the current user
4814 int CtdlIsMe(char *addr, int addr_buf_len)
4816 struct recptypes *recp;
4819 recp = validate_recipients(addr, NULL, 0);
4820 if (recp == NULL) return(0);
4822 if (recp->num_local == 0) {
4823 free_recipients(recp);
4827 for (i=0; i<recp->num_local; ++i) {
4828 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
4829 if (!strcasecmp(addr, CC->user.fullname)) {
4830 free_recipients(recp);
4835 free_recipients(recp);
4841 * Citadel protocol command to do the same
4843 void cmd_isme(char *argbuf) {
4846 if (CtdlAccessCheck(ac_logged_in)) return;
4847 extract_token(addr, argbuf, 0, '|', sizeof addr);
4849 if (CtdlIsMe(addr, sizeof addr)) {
4850 cprintf("%d %s\n", CIT_OK, addr);
4853 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
4859 /*****************************************************************************/
4860 /* MODULE INITIALIZATION STUFF */
4861 /*****************************************************************************/
4863 CTDL_MODULE_INIT(msgbase)
4866 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
4867 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
4868 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
4869 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
4870 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
4871 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
4872 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
4873 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
4874 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
4875 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
4876 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
4877 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
4880 /* return our Subversion id for the Log */