2 * Implements the message store.
4 * Copyright (c) 1987-2012 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 3.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
21 #if TIME_WITH_SYS_TIME
22 # include <sys/time.h>
26 # include <sys/time.h>
39 #include <sys/types.h>
41 #include <libcitadel.h>
44 #include "serv_extensions.h"
48 #include "sysdep_decls.h"
49 #include "citserver.h"
56 #include "internet_addressing.h"
57 #include "euidindex.h"
58 #include "journaling.h"
59 #include "citadel_dirs.h"
60 #include "clientsocket.h"
63 #include "ctdl_module.h"
66 struct addresses_to_be_filed *atbf = NULL;
68 /* This temp file holds the queue of operations for AdjRefCount() */
69 static FILE *arcfp = NULL;
72 * These are the four-character field headers we use when outputting
73 * messages in Citadel format (as opposed to RFC822 format).
76 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
77 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
78 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
79 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
80 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
81 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
83 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
112 * This function is self explanatory.
113 * (What can I say, I'm in a weird mood today...)
115 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
119 for (i = 0; i < strlen(name); ++i) {
120 if (name[i] == '@') {
121 while (isspace(name[i - 1]) && i > 0) {
122 strcpy(&name[i - 1], &name[i]);
125 while (isspace(name[i + 1])) {
126 strcpy(&name[i + 1], &name[i + 2]);
134 * Aliasing for network mail.
135 * (Error messages have been commented out, because this is a server.)
137 int alias(char *name)
138 { /* process alias and routing info for mail */
141 char aaa[SIZ], bbb[SIZ];
142 char *ignetcfg = NULL;
143 char *ignetmap = NULL;
149 char original_name[256];
150 safestrncpy(original_name, name, sizeof original_name);
153 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
154 stripallbut(name, '<', '>');
156 fp = fopen(file_mail_aliases, "r");
158 fp = fopen("/dev/null", "r");
165 while (fgets(aaa, sizeof aaa, fp) != NULL) {
166 while (isspace(name[0]))
167 strcpy(name, &name[1]);
168 aaa[strlen(aaa) - 1] = 0;
170 for (a = 0; a < strlen(aaa); ++a) {
172 strcpy(bbb, &aaa[a + 1]);
176 if (!strcasecmp(name, aaa))
181 /* Hit the Global Address Book */
182 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
186 if (strcasecmp(original_name, name)) {
187 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
190 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
191 for (a=0; a<strlen(name); ++a) {
192 if (name[a] == '@') {
193 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
195 syslog(LOG_INFO, "Changed to <%s>\n", name);
200 /* determine local or remote type, see citadel.h */
201 at = haschar(name, '@');
202 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
203 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
204 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
206 /* figure out the delivery mode */
207 extract_token(node, name, 1, '@', sizeof node);
209 /* If there are one or more dots in the nodename, we assume that it
210 * is an FQDN and will attempt SMTP delivery to the Internet.
212 if (haschar(node, '.') > 0) {
213 return(MES_INTERNET);
216 /* Otherwise we look in the IGnet maps for a valid Citadel node.
217 * Try directly-connected nodes first...
219 ignetcfg = CtdlGetSysConfig(IGNETCFG);
220 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
221 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
222 extract_token(testnode, buf, 0, '|', sizeof testnode);
223 if (!strcasecmp(node, testnode)) {
231 * Then try nodes that are two or more hops away.
233 ignetmap = CtdlGetSysConfig(IGNETMAP);
234 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
235 extract_token(buf, ignetmap, i, '\n', sizeof buf);
236 extract_token(testnode, buf, 0, '|', sizeof testnode);
237 if (!strcasecmp(node, testnode)) {
244 /* If we get to this point it's an invalid node name */
250 * Back end for the MSGS command: output message number only.
252 void simple_listing(long msgnum, void *userdata)
254 cprintf("%ld\n", msgnum);
260 * Back end for the MSGS command: output header summary.
262 void headers_listing(long msgnum, void *userdata)
264 struct CtdlMessage *msg;
266 msg = CtdlFetchMessage(msgnum, 0);
268 cprintf("%ld|0|||||\n", msgnum);
272 cprintf("%ld|%s|%s|%s|%s|%s|\n",
274 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
275 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
276 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
277 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
278 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
280 CtdlFreeMessage(msg);
284 * Back end for the MSGS command: output EUID header.
286 void headers_euid(long msgnum, void *userdata)
288 struct CtdlMessage *msg;
290 msg = CtdlFetchMessage(msgnum, 0);
292 cprintf("%ld||\n", msgnum);
296 cprintf("%ld|%s|%s\n",
298 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
299 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
300 CtdlFreeMessage(msg);
307 /* Determine if a given message matches the fields in a message template.
308 * Return 0 for a successful match.
310 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
313 /* If there aren't any fields in the template, all messages will
316 if (template == NULL) return(0);
318 /* Null messages are bogus. */
319 if (msg == NULL) return(1);
321 for (i='A'; i<='Z'; ++i) {
322 if (template->cm_fields[i] != NULL) {
323 if (msg->cm_fields[i] == NULL) {
324 /* Considered equal if temmplate is empty string */
325 if (IsEmptyStr(template->cm_fields[i])) continue;
328 if (strcasecmp(msg->cm_fields[i],
329 template->cm_fields[i])) return 1;
333 /* All compares succeeded: we have a match! */
340 * Retrieve the "seen" message list for the current room.
342 void CtdlGetSeen(char *buf, int which_set) {
345 /* Learn about the user and room in question */
346 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
348 if (which_set == ctdlsetseen_seen)
349 safestrncpy(buf, vbuf.v_seen, SIZ);
350 if (which_set == ctdlsetseen_answered)
351 safestrncpy(buf, vbuf.v_answered, SIZ);
357 * Manipulate the "seen msgs" string (or other message set strings)
359 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
360 int target_setting, int which_set,
361 struct ctdluser *which_user, struct ctdlroom *which_room) {
362 struct cdbdata *cdbfr;
376 char *is_set; /* actually an array of booleans */
378 /* Don't bother doing *anything* if we were passed a list of zero messages */
379 if (num_target_msgnums < 1) {
383 /* If no room was specified, we go with the current room. */
385 which_room = &CC->room;
388 /* If no user was specified, we go with the current user. */
390 which_user = &CC->user;
393 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
394 num_target_msgnums, target_msgnums[0],
395 (target_setting ? "SET" : "CLEAR"),
399 /* Learn about the user and room in question */
400 CtdlGetRelationship(&vbuf, which_user, which_room);
402 /* Load the message list */
403 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
405 msglist = (long *) cdbfr->ptr;
406 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
407 num_msgs = cdbfr->len / sizeof(long);
410 return; /* No messages at all? No further action. */
413 is_set = malloc(num_msgs * sizeof(char));
414 memset(is_set, 0, (num_msgs * sizeof(char)) );
416 /* Decide which message set we're manipulating */
418 case ctdlsetseen_seen:
419 vset = NewStrBufPlain(vbuf.v_seen, -1);
421 case ctdlsetseen_answered:
422 vset = NewStrBufPlain(vbuf.v_answered, -1);
429 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
430 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
431 for (i=0; i<num_msgs; ++i) {
432 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
434 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
435 for (k=0; k<num_target_msgnums; ++k) {
436 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
440 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
442 /* Translate the existing sequence set into an array of booleans */
443 setstr = NewStrBuf();
447 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
449 StrBufExtract_token(lostr, setstr, 0, ':');
450 if (StrBufNum_tokens(setstr, ':') >= 2) {
451 StrBufExtract_token(histr, setstr, 1, ':');
455 StrBufAppendBuf(histr, lostr, 0);
458 if (!strcmp(ChrPtr(histr), "*")) {
465 for (i = 0; i < num_msgs; ++i) {
466 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
476 /* Now translate the array of booleans back into a sequence set */
482 for (i=0; i<num_msgs; ++i) {
486 for (k=0; k<num_target_msgnums; ++k) {
487 if (msglist[i] == target_msgnums[k]) {
488 is_seen = target_setting;
492 if ((was_seen == 0) && (is_seen == 1)) {
495 else if ((was_seen == 1) && (is_seen == 0)) {
498 if (StrLength(vset) > 0) {
499 StrBufAppendBufPlain(vset, HKEY(","), 0);
502 StrBufAppendPrintf(vset, "%ld", hi);
505 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
509 if ((is_seen) && (i == num_msgs - 1)) {
510 if (StrLength(vset) > 0) {
511 StrBufAppendBufPlain(vset, HKEY(","), 0);
513 if ((i==0) || (was_seen == 0)) {
514 StrBufAppendPrintf(vset, "%ld", msglist[i]);
517 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
525 * We will have to stuff this string back into a 4096 byte buffer, so if it's
526 * larger than that now, truncate it by removing tokens from the beginning.
527 * The limit of 100 iterations is there to prevent an infinite loop in case
528 * something unexpected happens.
530 int number_of_truncations = 0;
531 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
532 StrBufRemove_token(vset, 0, ',');
533 ++number_of_truncations;
537 * If we're truncating the sequence set of messages marked with the 'seen' flag,
538 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
539 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
541 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
543 first_tok = NewStrBuf();
544 StrBufExtract_token(first_tok, vset, 0, ',');
545 StrBufRemove_token(vset, 0, ',');
547 if (StrBufNum_tokens(first_tok, ':') > 1) {
548 StrBufRemove_token(first_tok, 0, ':');
552 new_set = NewStrBuf();
553 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
554 StrBufAppendBuf(new_set, first_tok, 0);
555 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
556 StrBufAppendBuf(new_set, vset, 0);
559 FreeStrBuf(&first_tok);
563 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
565 /* Decide which message set we're manipulating */
567 case ctdlsetseen_seen:
568 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
570 case ctdlsetseen_answered:
571 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
577 CtdlSetRelationship(&vbuf, which_user, which_room);
583 * API function to perform an operation for each qualifying message in the
584 * current room. (Returns the number of messages processed.)
586 int CtdlForEachMessage(int mode, long ref, char *search_string,
588 struct CtdlMessage *compare,
589 ForEachMsgCallback CallBack,
595 struct cdbdata *cdbfr;
596 long *msglist = NULL;
598 int num_processed = 0;
601 struct CtdlMessage *msg = NULL;
604 int printed_lastold = 0;
605 int num_search_msgs = 0;
606 long *search_msgs = NULL;
608 int need_to_free_re = 0;
611 if ((content_type) && (!IsEmptyStr(content_type))) {
612 regcomp(&re, content_type, 0);
616 /* Learn about the user and room in question */
617 CtdlGetUser(&CC->user, CC->curr_user);
618 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
620 /* Load the message list */
621 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
623 if (need_to_free_re) regfree(&re);
624 return 0; /* No messages at all? No further action. */
627 msglist = (long *) cdbfr->ptr;
628 num_msgs = cdbfr->len / sizeof(long);
630 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
631 cdb_free(cdbfr); /* we own this memory now */
634 * Now begin the traversal.
636 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
638 /* If the caller is looking for a specific MIME type, filter
639 * out all messages which are not of the type requested.
641 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
643 /* This call to GetMetaData() sits inside this loop
644 * so that we only do the extra database read per msg
645 * if we need to. Doing the extra read all the time
646 * really kills the server. If we ever need to use
647 * metadata for another search criterion, we need to
648 * move the read somewhere else -- but still be smart
649 * enough to only do the read if the caller has
650 * specified something that will need it.
652 GetMetaData(&smi, msglist[a]);
654 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
655 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
661 num_msgs = sort_msglist(msglist, num_msgs);
663 /* If a template was supplied, filter out the messages which
664 * don't match. (This could induce some delays!)
667 if (compare != NULL) {
668 for (a = 0; a < num_msgs; ++a) {
669 msg = CtdlFetchMessage(msglist[a], 1);
671 if (CtdlMsgCmp(msg, compare)) {
674 CtdlFreeMessage(msg);
680 /* If a search string was specified, get a message list from
681 * the full text index and remove messages which aren't on both
685 * Since the lists are sorted and strictly ascending, and the
686 * output list is guaranteed to be shorter than or equal to the
687 * input list, we overwrite the bottom of the input list. This
688 * eliminates the need to memmove big chunks of the list over and
691 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
693 /* Call search module via hook mechanism.
694 * NULL means use any search function available.
695 * otherwise replace with a char * to name of search routine
697 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
699 if (num_search_msgs > 0) {
703 orig_num_msgs = num_msgs;
705 for (i=0; i<orig_num_msgs; ++i) {
706 for (j=0; j<num_search_msgs; ++j) {
707 if (msglist[i] == search_msgs[j]) {
708 msglist[num_msgs++] = msglist[i];
714 num_msgs = 0; /* No messages qualify */
716 if (search_msgs != NULL) free(search_msgs);
718 /* Now that we've purged messages which don't contain the search
719 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
726 * Now iterate through the message list, according to the
727 * criteria supplied by the caller.
730 for (a = 0; a < num_msgs; ++a) {
731 thismsg = msglist[a];
732 if (mode == MSGS_ALL) {
736 is_seen = is_msg_in_sequence_set(
737 vbuf.v_seen, thismsg);
738 if (is_seen) lastold = thismsg;
744 || ((mode == MSGS_OLD) && (is_seen))
745 || ((mode == MSGS_NEW) && (!is_seen))
746 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
747 || ((mode == MSGS_FIRST) && (a < ref))
748 || ((mode == MSGS_GT) && (thismsg > ref))
749 || ((mode == MSGS_LT) && (thismsg < ref))
750 || ((mode == MSGS_EQ) && (thismsg == ref))
753 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
755 CallBack(lastold, userdata);
759 if (CallBack) CallBack(thismsg, userdata);
763 if (need_to_free_re) regfree(&re);
766 * We cache the most recent msglist in order to do security checks later
768 if (CC->client_socket > 0) {
769 if (CC->cached_msglist != NULL) {
770 free(CC->cached_msglist);
772 CC->cached_msglist = msglist;
773 CC->cached_num_msgs = num_msgs;
779 return num_processed;
785 * cmd_msgs() - get list of message #'s in this room
786 * implements the MSGS server command using CtdlForEachMessage()
788 void cmd_msgs(char *cmdbuf)
797 int with_template = 0;
798 struct CtdlMessage *template = NULL;
799 char search_string[1024];
800 ForEachMsgCallback CallBack;
802 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
804 extract_token(which, cmdbuf, 0, '|', sizeof which);
805 cm_ref = extract_int(cmdbuf, 1);
806 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
807 with_template = extract_int(cmdbuf, 2);
808 switch (extract_int(cmdbuf, 3))
812 CallBack = simple_listing;
815 CallBack = headers_listing;
818 CallBack = headers_euid;
823 if (!strncasecmp(which, "OLD", 3))
825 else if (!strncasecmp(which, "NEW", 3))
827 else if (!strncasecmp(which, "FIRST", 5))
829 else if (!strncasecmp(which, "LAST", 4))
831 else if (!strncasecmp(which, "GT", 2))
833 else if (!strncasecmp(which, "LT", 2))
835 else if (!strncasecmp(which, "SEARCH", 6))
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 */
933 unsigned char ch = 0;
940 while (ch=*(mptr++), ch != 0) {
943 if (client_write(outbuf, len) == -1)
945 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
949 if (client_write(nl, nllen) == -1)
951 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
956 else if (ch == '\r') {
957 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
959 else if (isspace(ch)) {
960 if (column > 72) { /* Beyond 72 columns, break on the next space */
961 if (client_write(outbuf, len) == -1)
963 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
967 if (client_write(nl, nllen) == -1)
969 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
982 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
983 if (client_write(outbuf, len) == -1)
985 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
989 if (client_write(nl, nllen) == -1)
991 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
999 if (client_write(outbuf, len) == -1)
1001 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1005 client_write(nl, nllen);
1013 * Callback function for mime parser that simply lists the part
1015 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1016 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1017 char *cbid, void *cbuserdata)
1021 ma = (struct ma_info *)cbuserdata;
1022 if (ma->is_ma == 0) {
1023 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1036 * Callback function for multipart prefix
1038 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1039 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1040 char *cbid, void *cbuserdata)
1044 ma = (struct ma_info *)cbuserdata;
1045 if (!strcasecmp(cbtype, "multipart/alternative")) {
1049 if (ma->is_ma == 0) {
1050 cprintf("pref=%s|%s\n", partnum, cbtype);
1055 * Callback function for multipart sufffix
1057 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1058 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1059 char *cbid, void *cbuserdata)
1063 ma = (struct ma_info *)cbuserdata;
1064 if (ma->is_ma == 0) {
1065 cprintf("suff=%s|%s\n", partnum, cbtype);
1067 if (!strcasecmp(cbtype, "multipart/alternative")) {
1074 * Callback function for mime parser that opens a section for downloading
1076 void mime_download(char *name, char *filename, char *partnum, char *disp,
1077 void *content, char *cbtype, char *cbcharset, size_t length,
1078 char *encoding, char *cbid, void *cbuserdata)
1081 CitContext *CCC = MyContext();
1083 /* Silently go away if there's already a download open. */
1084 if (CCC->download_fp != NULL)
1088 (!IsEmptyStr(partnum) && (!strcasecmp(CCC->download_desired_section, partnum)))
1089 || (!IsEmptyStr(cbid) && (!strcasecmp(CCC->download_desired_section, cbid)))
1091 CCC->download_fp = tmpfile();
1092 if (CCC->download_fp == NULL) {
1093 syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1095 cprintf("%d cannot open temporary file: %s\n",
1096 ERROR + INTERNAL_ERROR, strerror(errno));
1100 rv = fwrite(content, length, 1, CC->download_fp);
1102 syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1104 cprintf("%d unable to write tempfile.\n",
1106 fclose(CCC->download_fp);
1107 CCC->download_fp = NULL;
1110 fflush(CCC->download_fp);
1111 rewind(CCC->download_fp);
1113 OpenCmdResult(filename, cbtype);
1120 * Callback function for mime parser that outputs a section all at once.
1121 * We can specify the desired section by part number *or* content-id.
1123 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1124 void *content, char *cbtype, char *cbcharset, size_t length,
1125 char *encoding, char *cbid, void *cbuserdata)
1127 int *found_it = (int *)cbuserdata;
1130 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1131 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1134 cprintf("%d %d|-1|%s|%s|%s\n",
1141 client_write(content, length);
1147 * Load a message from disk into memory.
1148 * This is used by CtdlOutputMsg() and other fetch functions.
1150 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1151 * using the CtdlMessageFree() function.
1153 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1155 struct cdbdata *dmsgtext;
1156 struct CtdlMessage *ret = NULL;
1160 cit_uint8_t field_header;
1162 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1163 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1164 if (dmsgtext == NULL) {
1167 mptr = dmsgtext->ptr;
1168 upper_bound = mptr + dmsgtext->len;
1170 /* Parse the three bytes that begin EVERY message on disk.
1171 * The first is always 0xFF, the on-disk magic number.
1172 * The second is the anonymous/public type byte.
1173 * The third is the format type byte (vari, fixed, or MIME).
1177 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1181 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1182 memset(ret, 0, sizeof(struct CtdlMessage));
1184 ret->cm_magic = CTDLMESSAGE_MAGIC;
1185 ret->cm_anon_type = *mptr++; /* Anon type byte */
1186 ret->cm_format_type = *mptr++; /* Format type byte */
1189 * The rest is zero or more arbitrary fields. Load them in.
1190 * We're done when we encounter either a zero-length field or
1191 * have just processed the 'M' (message text) field.
1194 if (mptr >= upper_bound) {
1197 field_header = *mptr++;
1198 ret->cm_fields[field_header] = strdup(mptr);
1200 while (*mptr++ != 0); /* advance to next field */
1202 } while ((mptr < upper_bound) && (field_header != 'M'));
1206 /* Always make sure there's something in the msg text field. If
1207 * it's NULL, the message text is most likely stored separately,
1208 * so go ahead and fetch that. Failing that, just set a dummy
1209 * body so other code doesn't barf.
1211 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1212 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1213 if (dmsgtext != NULL) {
1214 ret->cm_fields['M'] = dmsgtext->ptr;
1215 dmsgtext->ptr = NULL;
1219 if (ret->cm_fields['M'] == NULL) {
1220 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1223 /* Perform "before read" hooks (aborting if any return nonzero) */
1224 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1225 CtdlFreeMessage(ret);
1234 * Returns 1 if the supplied pointer points to a valid Citadel message.
1235 * If the pointer is NULL or the magic number check fails, returns 0.
1237 int is_valid_message(struct CtdlMessage *msg) {
1240 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1241 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1247 void CtdlFreeMessageContents(struct CtdlMessage *msg)
1251 for (i = 0; i < 256; ++i)
1252 if (msg->cm_fields[i] != NULL) {
1253 free(msg->cm_fields[i]);
1256 msg->cm_magic = 0; /* just in case */
1259 * 'Destructor' for struct CtdlMessage
1261 void CtdlFreeMessage(struct CtdlMessage *msg)
1263 if (is_valid_message(msg) == 0)
1265 if (msg != NULL) free (msg);
1268 CtdlFreeMessageContents(msg);
1274 * Pre callback function for multipart/alternative
1276 * NOTE: this differs from the standard behavior for a reason. Normally when
1277 * displaying multipart/alternative you want to show the _last_ usable
1278 * format in the message. Here we show the _first_ one, because it's
1279 * usually text/plain. Since this set of functions is designed for text
1280 * output to non-MIME-aware clients, this is the desired behavior.
1283 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1284 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1285 char *cbid, void *cbuserdata)
1289 ma = (struct ma_info *)cbuserdata;
1290 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1291 if (!strcasecmp(cbtype, "multipart/alternative")) {
1295 if (!strcasecmp(cbtype, "message/rfc822")) {
1301 * Post callback function for multipart/alternative
1303 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1304 void *content, char *cbtype, char *cbcharset, size_t length,
1305 char *encoding, char *cbid, void *cbuserdata)
1309 ma = (struct ma_info *)cbuserdata;
1310 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1311 if (!strcasecmp(cbtype, "multipart/alternative")) {
1315 if (!strcasecmp(cbtype, "message/rfc822")) {
1321 * Inline callback function for mime parser that wants to display text
1323 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1324 void *content, char *cbtype, char *cbcharset, size_t length,
1325 char *encoding, char *cbid, void *cbuserdata)
1332 ma = (struct ma_info *)cbuserdata;
1335 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1336 partnum, filename, cbtype, (long)length);
1339 * If we're in the middle of a multipart/alternative scope and
1340 * we've already printed another section, skip this one.
1342 if ( (ma->is_ma) && (ma->did_print) ) {
1343 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1348 if ( (!strcasecmp(cbtype, "text/plain"))
1349 || (IsEmptyStr(cbtype)) ) {
1352 client_write(wptr, length);
1353 if (wptr[length-1] != '\n') {
1360 if (!strcasecmp(cbtype, "text/html")) {
1361 ptr = html_to_ascii(content, length, 80, 0);
1363 client_write(ptr, wlen);
1364 if ((wlen > 0) && (ptr[wlen-1] != '\n')) {
1371 if (ma->use_fo_hooks) {
1372 if (PerformFixedOutputHooks(cbtype, content, length)) {
1373 /* above function returns nonzero if it handled the part */
1378 if (strncasecmp(cbtype, "multipart/", 10)) {
1379 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1380 partnum, filename, cbtype, (long)length);
1386 * The client is elegant and sophisticated and wants to be choosy about
1387 * MIME content types, so figure out which multipart/alternative part
1388 * we're going to send.
1390 * We use a system of weights. When we find a part that matches one of the
1391 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1392 * and then set ma->chosen_pref to that MIME type's position in our preference
1393 * list. If we then hit another match, we only replace the first match if
1394 * the preference value is lower.
1396 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1397 void *content, char *cbtype, char *cbcharset, size_t length,
1398 char *encoding, char *cbid, void *cbuserdata)
1404 ma = (struct ma_info *)cbuserdata;
1406 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1407 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1408 // I don't know if there are any side effects! Please TEST TEST TEST
1409 //if (ma->is_ma > 0) {
1411 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1412 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1413 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1414 if (i < ma->chosen_pref) {
1415 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1416 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1417 ma->chosen_pref = i;
1424 * Now that we've chosen our preferred part, output it.
1426 void output_preferred(char *name,
1440 int add_newline = 0;
1443 char *decoded = NULL;
1444 size_t bytes_decoded;
1447 ma = (struct ma_info *)cbuserdata;
1449 /* This is not the MIME part you're looking for... */
1450 if (strcasecmp(partnum, ma->chosen_part)) return;
1452 /* If the content-type of this part is in our preferred formats
1453 * list, we can simply output it verbatim.
1455 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1456 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1457 if (!strcasecmp(buf, cbtype)) {
1458 /* Yeah! Go! W00t!! */
1459 if (ma->dont_decode == 0)
1460 rc = mime_decode_now (content,
1466 break; /* Give us the chance, maybe theres another one. */
1468 if (rc == 0) text_content = (char *)content;
1470 text_content = decoded;
1471 length = bytes_decoded;
1474 if (text_content[length-1] != '\n') {
1477 cprintf("Content-type: %s", cbtype);
1478 if (!IsEmptyStr(cbcharset)) {
1479 cprintf("; charset=%s", cbcharset);
1481 cprintf("\nContent-length: %d\n",
1482 (int)(length + add_newline) );
1483 if (!IsEmptyStr(encoding)) {
1484 cprintf("Content-transfer-encoding: %s\n", encoding);
1487 cprintf("Content-transfer-encoding: 7bit\n");
1489 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1491 if (client_write(text_content, length) == -1)
1493 syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1496 if (add_newline) cprintf("\n");
1497 if (decoded != NULL) free(decoded);
1502 /* No translations required or possible: output as text/plain */
1503 cprintf("Content-type: text/plain\n\n");
1505 if (ma->dont_decode == 0)
1506 rc = mime_decode_now (content,
1512 return; /* Give us the chance, maybe theres another one. */
1514 if (rc == 0) text_content = (char *)content;
1516 text_content = decoded;
1517 length = bytes_decoded;
1520 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1521 length, encoding, cbid, cbuserdata);
1522 if (decoded != NULL) free(decoded);
1527 char desired_section[64];
1534 * Callback function for
1536 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1537 void *content, char *cbtype, char *cbcharset, size_t length,
1538 char *encoding, char *cbid, void *cbuserdata)
1540 struct encapmsg *encap;
1542 encap = (struct encapmsg *)cbuserdata;
1544 /* Only proceed if this is the desired section... */
1545 if (!strcasecmp(encap->desired_section, partnum)) {
1546 encap->msglen = length;
1547 encap->msg = malloc(length + 2);
1548 memcpy(encap->msg, content, length);
1555 * Determine whether the specified message exists in the cached_msglist
1556 * (This is a security check)
1558 int check_cached_msglist(long msgnum) {
1560 /* cases in which we skip the check */
1561 if (!CC) return om_ok; /* not a session */
1562 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1563 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1564 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1567 /* Do a binary search within the cached_msglist for the requested msgnum */
1569 int max = (CC->cached_num_msgs - 1);
1571 while (max >= min) {
1572 int middle = min + (max-min) / 2 ;
1573 if (msgnum == CC->cached_msglist[middle]) {
1576 if (msgnum > CC->cached_msglist[middle]) {
1584 return om_access_denied;
1589 * Determine whether the currently logged in session has permission to read
1590 * messages in the current room.
1592 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1593 if ( (!(CC->logged_in))
1594 && (!(CC->internal_pgm))
1595 && (!config.c_guest_logins)
1597 return(om_not_logged_in);
1604 * Get a message off disk. (returns om_* values found in msgbase.h)
1607 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1608 int mode, /* how would you like that message? */
1609 int headers_only, /* eschew the message body? */
1610 int do_proto, /* do Citadel protocol responses? */
1611 int crlf, /* Use CRLF newlines instead of LF? */
1612 char *section, /* NULL or a message/rfc822 section */
1613 int flags /* various flags; see msgbase.h */
1615 struct CtdlMessage *TheMessage = NULL;
1616 int retcode = om_no_such_msg;
1617 struct encapmsg encap;
1620 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1622 (section ? section : "<>")
1625 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1628 if (r == om_not_logged_in) {
1629 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1632 cprintf("%d An unknown error has occurred.\n", ERROR);
1639 * Check to make sure the message is actually IN this room
1641 r = check_cached_msglist(msg_num);
1642 if (r == om_access_denied) {
1643 /* Not in the cache? We get ONE shot to check it again. */
1644 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1645 r = check_cached_msglist(msg_num);
1648 syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1649 msg_num, CC->room.QRname
1652 if (r == om_access_denied) {
1653 cprintf("%d message %ld was not found in this room\n",
1654 ERROR + HIGHER_ACCESS_REQUIRED,
1663 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1664 * request that we don't even bother loading the body into memory.
1666 if (headers_only == HEADERS_FAST) {
1667 TheMessage = CtdlFetchMessage(msg_num, 0);
1670 TheMessage = CtdlFetchMessage(msg_num, 1);
1673 if (TheMessage == NULL) {
1674 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1675 ERROR + MESSAGE_NOT_FOUND, msg_num);
1676 return(om_no_such_msg);
1679 /* Here is the weird form of this command, to process only an
1680 * encapsulated message/rfc822 section.
1682 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1683 memset(&encap, 0, sizeof encap);
1684 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1685 mime_parser(TheMessage->cm_fields['M'],
1687 *extract_encapsulated_message,
1688 NULL, NULL, (void *)&encap, 0
1690 CtdlFreeMessage(TheMessage);
1694 encap.msg[encap.msglen] = 0;
1695 TheMessage = convert_internet_message(encap.msg);
1696 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1698 /* Now we let it fall through to the bottom of this
1699 * function, because TheMessage now contains the
1700 * encapsulated message instead of the top-level
1701 * message. Isn't that neat?
1706 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1707 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1708 retcode = om_no_such_msg;
1713 /* Ok, output the message now */
1714 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1715 CtdlFreeMessage(TheMessage);
1721 char *qp_encode_email_addrs(char *source)
1723 char *user, *node, *name;
1724 const char headerStr[] = "=?UTF-8?Q?";
1728 int need_to_encode = 0;
1734 long nAddrPtrMax = 50;
1739 if (source == NULL) return source;
1740 if (IsEmptyStr(source)) return source;
1742 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1744 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1745 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1746 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1749 while (!IsEmptyStr (&source[i])) {
1750 if (nColons >= nAddrPtrMax){
1753 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1754 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1755 free (AddrPtr), AddrPtr = ptr;
1757 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1758 memset(&ptr[nAddrPtrMax], 0,
1759 sizeof (long) * nAddrPtrMax);
1761 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1762 free (AddrUtf8), AddrUtf8 = ptr;
1765 if (((unsigned char) source[i] < 32) ||
1766 ((unsigned char) source[i] > 126)) {
1768 AddrUtf8[nColons] = 1;
1770 if (source[i] == '"')
1771 InQuotes = !InQuotes;
1772 if (!InQuotes && source[i] == ',') {
1773 AddrPtr[nColons] = i;
1778 if (need_to_encode == 0) {
1785 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1786 Encoded = (char*) malloc (EncodedMaxLen);
1788 for (i = 0; i < nColons; i++)
1789 source[AddrPtr[i]++] = '\0';
1790 /* TODO: if libidn, this might get larger*/
1791 user = malloc(SourceLen + 1);
1792 node = malloc(SourceLen + 1);
1793 name = malloc(SourceLen + 1);
1797 for (i = 0; i < nColons && nPtr != NULL; i++) {
1798 nmax = EncodedMaxLen - (nPtr - Encoded);
1800 process_rfc822_addr(&source[AddrPtr[i]],
1804 /* TODO: libIDN here ! */
1805 if (IsEmptyStr(name)) {
1806 n = snprintf(nPtr, nmax,
1807 (i==0)?"%s@%s" : ",%s@%s",
1811 EncodedName = rfc2047encode(name, strlen(name));
1812 n = snprintf(nPtr, nmax,
1813 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1814 EncodedName, user, node);
1819 n = snprintf(nPtr, nmax,
1820 (i==0)?"%s" : ",%s",
1821 &source[AddrPtr[i]]);
1827 ptr = (char*) malloc(EncodedMaxLen * 2);
1828 memcpy(ptr, Encoded, EncodedMaxLen);
1829 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1830 free(Encoded), Encoded = ptr;
1832 i--; /* do it once more with properly lengthened buffer */
1835 for (i = 0; i < nColons; i++)
1836 source[--AddrPtr[i]] = ',';
1847 /* If the last item in a list of recipients was truncated to a partial address,
1848 * remove it completely in order to avoid choking libSieve
1850 void sanitize_truncated_recipient(char *str)
1853 if (num_tokens(str, ',') < 2) return;
1855 int len = strlen(str);
1856 if (len < 900) return;
1857 if (len > 998) str[998] = 0;
1859 char *cptr = strrchr(str, ',');
1862 char *lptr = strchr(cptr, '<');
1863 char *rptr = strchr(cptr, '>');
1865 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1871 void OutputCtdlMsgHeaders(
1872 struct CtdlMessage *TheMessage,
1873 int do_proto) /* do Citadel protocol responses? */
1879 char display_name[256];
1881 /* begin header processing loop for Citadel message format */
1882 safestrncpy(display_name, "<unknown>", sizeof display_name);
1883 if (TheMessage->cm_fields['A']) {
1884 strcpy(buf, TheMessage->cm_fields['A']);
1885 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1886 safestrncpy(display_name, "****", sizeof display_name);
1888 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1889 safestrncpy(display_name, "anonymous", sizeof display_name);
1892 safestrncpy(display_name, buf, sizeof display_name);
1894 if ((is_room_aide())
1895 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1896 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1897 size_t tmp = strlen(display_name);
1898 snprintf(&display_name[tmp],
1899 sizeof display_name - tmp,
1904 /* Don't show Internet address for users on the
1905 * local Citadel network.
1908 if (TheMessage->cm_fields['N'] != NULL)
1909 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1910 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1914 /* Now spew the header fields in the order we like them. */
1915 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1916 for (i=0; i<n; ++i) {
1917 k = (int) allkeys[i];
1919 if ( (TheMessage->cm_fields[k] != NULL)
1920 && (msgkeys[k] != NULL) ) {
1921 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1922 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1925 if (do_proto) cprintf("%s=%s\n",
1929 else if ((k == 'F') && (suppress_f)) {
1932 /* Masquerade display name if needed */
1934 if (do_proto) cprintf("%s=%s\n",
1936 TheMessage->cm_fields[k]
1945 void OutputRFC822MsgHeaders(
1946 struct CtdlMessage *TheMessage,
1947 int flags, /* should the bessage be exported clean */
1949 char *mid, long sizeof_mid,
1950 char *suser, long sizeof_suser,
1951 char *luser, long sizeof_luser,
1952 char *fuser, long sizeof_fuser,
1953 char *snode, long sizeof_snode)
1955 char datestamp[100];
1956 int subject_found = 0;
1963 for (i = 0; i < 256; ++i) {
1964 if (TheMessage->cm_fields[i]) {
1965 mptr = mpptr = TheMessage->cm_fields[i];
1968 safestrncpy(luser, mptr, sizeof_luser);
1969 safestrncpy(suser, mptr, sizeof_suser);
1971 else if (i == 'Y') {
1972 if ((flags & QP_EADDR) != 0) {
1973 mptr = qp_encode_email_addrs(mptr);
1975 sanitize_truncated_recipient(mptr);
1976 cprintf("CC: %s%s", mptr, nl);
1978 else if (i == 'P') {
1979 cprintf("Return-Path: %s%s", mptr, nl);
1981 else if (i == 'L') {
1982 cprintf("List-ID: %s%s", mptr, nl);
1984 else if (i == 'V') {
1985 if ((flags & QP_EADDR) != 0)
1986 mptr = qp_encode_email_addrs(mptr);
1988 while ((*hptr != '\0') && isspace(*hptr))
1990 if (!IsEmptyStr(hptr))
1991 cprintf("Envelope-To: %s%s", hptr, nl);
1993 else if (i == 'U') {
1994 cprintf("Subject: %s%s", mptr, nl);
1998 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2000 safestrncpy(fuser, mptr, sizeof_fuser);
2001 /* else if (i == 'O')
2002 cprintf("X-Citadel-Room: %s%s",
2005 safestrncpy(snode, mptr, sizeof_snode);
2008 if (haschar(mptr, '@') == 0)
2010 sanitize_truncated_recipient(mptr);
2011 cprintf("To: %s@%s", mptr, config.c_fqdn);
2016 if ((flags & QP_EADDR) != 0) {
2017 mptr = qp_encode_email_addrs(mptr);
2019 sanitize_truncated_recipient(mptr);
2020 cprintf("To: %s", mptr);
2024 else if (i == 'T') {
2025 datestring(datestamp, sizeof datestamp,
2026 atol(mptr), DATESTRING_RFC822);
2027 cprintf("Date: %s%s", datestamp, nl);
2029 else if (i == 'W') {
2030 cprintf("References: ");
2031 k = num_tokens(mptr, '|');
2032 for (j=0; j<k; ++j) {
2033 extract_token(buf, mptr, j, '|', sizeof buf);
2034 cprintf("<%s>", buf);
2043 else if (i == 'K') {
2045 while ((*hptr != '\0') && isspace(*hptr))
2047 if (!IsEmptyStr(hptr))
2048 cprintf("Reply-To: %s%s", mptr, nl);
2054 if (subject_found == 0) {
2055 cprintf("Subject: (no subject)%s", nl);
2060 void Dump_RFC822HeadersBody(
2061 struct CtdlMessage *TheMessage,
2062 int headers_only, /* eschew the message body? */
2063 int flags, /* should the bessage be exported clean? */
2067 cit_uint8_t prev_ch;
2069 const char *StartOfText = StrBufNOTNULL;
2072 int nllen = strlen(nl);
2075 mptr = TheMessage->cm_fields['M'];
2079 while (*mptr != '\0') {
2080 if (*mptr == '\r') {
2087 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2089 eoh = *(mptr+1) == '\n';
2093 StartOfText = strchr(StartOfText, '\n');
2094 StartOfText = strchr(StartOfText, '\n');
2097 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2098 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2099 ((headers_only != HEADERS_NONE) &&
2100 (headers_only != HEADERS_ONLY))
2102 if (*mptr == '\n') {
2103 memcpy(&outbuf[outlen], nl, nllen);
2105 outbuf[outlen] = '\0';
2108 outbuf[outlen++] = *mptr;
2112 if (flags & ESC_DOT)
2114 if ((prev_ch == '\n') &&
2116 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2118 outbuf[outlen++] = '.';
2123 if (outlen > 1000) {
2124 if (client_write(outbuf, outlen) == -1)
2126 syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2133 client_write(outbuf, outlen);
2140 /* If the format type on disk is 1 (fixed-format), then we want
2141 * everything to be output completely literally ... regardless of
2142 * what message transfer format is in use.
2144 void DumpFormatFixed(
2145 struct CtdlMessage *TheMessage,
2146 int mode, /* how would you like that message? */
2153 int nllen = strlen (nl);
2156 mptr = TheMessage->cm_fields['M'];
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 if (client_write(buf, buflen) == -1)
2197 syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2209 if (!IsEmptyStr(buf))
2210 cprintf("%s%s", buf, nl);
2214 * Get a message off disk. (returns om_* values found in msgbase.h)
2216 int CtdlOutputPreLoadedMsg(
2217 struct CtdlMessage *TheMessage,
2218 int mode, /* how would you like that message? */
2219 int headers_only, /* eschew the message body? */
2220 int do_proto, /* do Citadel protocol responses? */
2221 int crlf, /* Use CRLF newlines instead of LF? */
2222 int flags /* should the bessage be exported clean? */
2226 const char *nl; /* newline string */
2229 /* Buffers needed for RFC822 translation. These are all filled
2230 * using functions that are bounds-checked, and therefore we can
2231 * make them substantially smaller than SIZ.
2239 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2240 ((TheMessage == NULL) ? "NULL" : "not null"),
2241 mode, headers_only, do_proto, crlf);
2243 strcpy(mid, "unknown");
2244 nl = (crlf ? "\r\n" : "\n");
2246 if (!is_valid_message(TheMessage)) {
2248 "ERROR: invalid preloaded message for output\n");
2250 return(om_no_such_msg);
2253 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2254 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2256 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2257 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2260 /* Are we downloading a MIME component? */
2261 if (mode == MT_DOWNLOAD) {
2262 if (TheMessage->cm_format_type != FMT_RFC822) {
2264 cprintf("%d This is not a MIME message.\n",
2265 ERROR + ILLEGAL_VALUE);
2266 } else if (CC->download_fp != NULL) {
2267 if (do_proto) cprintf(
2268 "%d You already have a download open.\n",
2269 ERROR + RESOURCE_BUSY);
2271 /* Parse the message text component */
2272 mptr = TheMessage->cm_fields['M'];
2273 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2274 /* If there's no file open by this time, the requested
2275 * section wasn't found, so print an error
2277 if (CC->download_fp == NULL) {
2278 if (do_proto) cprintf(
2279 "%d Section %s not found.\n",
2280 ERROR + FILE_NOT_FOUND,
2281 CC->download_desired_section);
2284 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2287 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2288 * in a single server operation instead of opening a download file.
2290 if (mode == MT_SPEW_SECTION) {
2291 if (TheMessage->cm_format_type != FMT_RFC822) {
2293 cprintf("%d This is not a MIME message.\n",
2294 ERROR + ILLEGAL_VALUE);
2296 /* Parse the message text component */
2299 mptr = TheMessage->cm_fields['M'];
2300 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2301 /* If section wasn't found, print an error
2304 if (do_proto) cprintf(
2305 "%d Section %s not found.\n",
2306 ERROR + FILE_NOT_FOUND,
2307 CC->download_desired_section);
2310 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2313 /* now for the user-mode message reading loops */
2314 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2316 /* Does the caller want to skip the headers? */
2317 if (headers_only == HEADERS_NONE) goto START_TEXT;
2319 /* Tell the client which format type we're using. */
2320 if ( (mode == MT_CITADEL) && (do_proto) ) {
2321 cprintf("type=%d\n", TheMessage->cm_format_type);
2324 /* nhdr=yes means that we're only displaying headers, no body */
2325 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2326 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2329 cprintf("nhdr=yes\n");
2332 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2333 OutputCtdlMsgHeaders(TheMessage, do_proto);
2336 /* begin header processing loop for RFC822 transfer format */
2340 strcpy(snode, NODENAME);
2341 if (mode == MT_RFC822)
2342 OutputRFC822MsgHeaders(
2347 suser, sizeof(suser),
2348 luser, sizeof(luser),
2349 fuser, sizeof(fuser),
2350 snode, sizeof(snode)
2354 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2355 suser[i] = tolower(suser[i]);
2356 if (!isalnum(suser[i])) suser[i]='_';
2359 if (mode == MT_RFC822) {
2360 if (!strcasecmp(snode, NODENAME)) {
2361 safestrncpy(snode, FQDN, sizeof snode);
2364 /* Construct a fun message id */
2365 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2366 if (strchr(mid, '@')==NULL) {
2367 cprintf("@%s", snode);
2371 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2372 cprintf("From: \"----\" <x@x.org>%s", nl);
2374 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2375 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2377 else if (!IsEmptyStr(fuser)) {
2378 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2381 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2384 /* Blank line signifying RFC822 end-of-headers */
2385 if (TheMessage->cm_format_type != FMT_RFC822) {
2390 /* end header processing loop ... at this point, we're in the text */
2392 if (headers_only == HEADERS_FAST) goto DONE;
2394 /* Tell the client about the MIME parts in this message */
2395 if (TheMessage->cm_format_type == FMT_RFC822) {
2396 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2397 mptr = TheMessage->cm_fields['M'];
2398 memset(&ma, 0, sizeof(struct ma_info));
2399 mime_parser(mptr, NULL,
2400 (do_proto ? *list_this_part : NULL),
2401 (do_proto ? *list_this_pref : NULL),
2402 (do_proto ? *list_this_suff : NULL),
2405 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2406 Dump_RFC822HeadersBody(
2415 if (headers_only == HEADERS_ONLY) {
2419 /* signify start of msg text */
2420 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2421 if (do_proto) cprintf("text\n");
2424 if (TheMessage->cm_format_type == FMT_FIXED)
2427 mode, /* how would you like that message? */
2430 /* If the message on disk is format 0 (Citadel vari-format), we
2431 * output using the formatter at 80 columns. This is the final output
2432 * form if the transfer format is RFC822, but if the transfer format
2433 * is Citadel proprietary, it'll still work, because the indentation
2434 * for new paragraphs is correct and the client will reformat the
2435 * message to the reader's screen width.
2437 if (TheMessage->cm_format_type == FMT_CITADEL) {
2438 mptr = TheMessage->cm_fields['M'];
2440 if (mode == MT_MIME) {
2441 cprintf("Content-type: text/x-citadel-variformat\n\n");
2446 /* If the message on disk is format 4 (MIME), we've gotta hand it
2447 * off to the MIME parser. The client has already been told that
2448 * this message is format 1 (fixed format), so the callback function
2449 * we use will display those parts as-is.
2451 if (TheMessage->cm_format_type == FMT_RFC822) {
2452 memset(&ma, 0, sizeof(struct ma_info));
2454 if (mode == MT_MIME) {
2455 ma.use_fo_hooks = 0;
2456 strcpy(ma.chosen_part, "1");
2457 ma.chosen_pref = 9999;
2458 ma.dont_decode = CC->msg4_dont_decode;
2459 mime_parser(mptr, NULL,
2460 *choose_preferred, *fixed_output_pre,
2461 *fixed_output_post, (void *)&ma, 1);
2462 mime_parser(mptr, NULL,
2463 *output_preferred, NULL, NULL, (void *)&ma, 1);
2466 ma.use_fo_hooks = 1;
2467 mime_parser(mptr, NULL,
2468 *fixed_output, *fixed_output_pre,
2469 *fixed_output_post, (void *)&ma, 0);
2474 DONE: /* now we're done */
2475 if (do_proto) cprintf("000\n");
2481 * display a message (mode 0 - Citadel proprietary)
2483 void cmd_msg0(char *cmdbuf)
2486 int headers_only = HEADERS_ALL;
2488 msgid = extract_long(cmdbuf, 0);
2489 headers_only = extract_int(cmdbuf, 1);
2491 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2497 * display a message (mode 2 - RFC822)
2499 void cmd_msg2(char *cmdbuf)
2502 int headers_only = HEADERS_ALL;
2504 msgid = extract_long(cmdbuf, 0);
2505 headers_only = extract_int(cmdbuf, 1);
2507 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2513 * display a message (mode 3 - IGnet raw format - internal programs only)
2515 void cmd_msg3(char *cmdbuf)
2518 struct CtdlMessage *msg = NULL;
2521 if (CC->internal_pgm == 0) {
2522 cprintf("%d This command is for internal programs only.\n",
2523 ERROR + HIGHER_ACCESS_REQUIRED);
2527 msgnum = extract_long(cmdbuf, 0);
2528 msg = CtdlFetchMessage(msgnum, 1);
2530 cprintf("%d Message %ld not found.\n",
2531 ERROR + MESSAGE_NOT_FOUND, msgnum);
2535 serialize_message(&smr, msg);
2536 CtdlFreeMessage(msg);
2539 cprintf("%d Unable to serialize message\n",
2540 ERROR + INTERNAL_ERROR);
2544 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2545 client_write((char *)smr.ser, (int)smr.len);
2552 * Display a message using MIME content types
2554 void cmd_msg4(char *cmdbuf)
2559 msgid = extract_long(cmdbuf, 0);
2560 extract_token(section, cmdbuf, 1, '|', sizeof section);
2561 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2567 * Client tells us its preferred message format(s)
2569 void cmd_msgp(char *cmdbuf)
2571 if (!strcasecmp(cmdbuf, "dont_decode")) {
2572 CC->msg4_dont_decode = 1;
2573 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2576 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2577 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2583 * Open a component of a MIME message as a download file
2585 void cmd_opna(char *cmdbuf)
2588 char desired_section[128];
2590 msgid = extract_long(cmdbuf, 0);
2591 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2592 safestrncpy(CC->download_desired_section, desired_section,
2593 sizeof CC->download_desired_section);
2594 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2599 * Open a component of a MIME message and transmit it all at once
2601 void cmd_dlat(char *cmdbuf)
2604 char desired_section[128];
2606 msgid = extract_long(cmdbuf, 0);
2607 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2608 safestrncpy(CC->download_desired_section, desired_section,
2609 sizeof CC->download_desired_section);
2610 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2615 * Save one or more message pointers into a specified room
2616 * (Returns 0 for success, nonzero for failure)
2617 * roomname may be NULL to use the current room
2619 * Note that the 'supplied_msg' field may be set to NULL, in which case
2620 * the message will be fetched from disk, by number, if we need to perform
2621 * replication checks. This adds an additional database read, so if the
2622 * caller already has the message in memory then it should be supplied. (Obviously
2623 * this mode of operation only works if we're saving a single message.)
2625 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2626 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2629 char hold_rm[ROOMNAMELEN];
2630 struct cdbdata *cdbfr;
2633 long highest_msg = 0L;
2636 struct CtdlMessage *msg = NULL;
2638 long *msgs_to_be_merged = NULL;
2639 int num_msgs_to_be_merged = 0;
2642 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2643 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2646 strcpy(hold_rm, CC->room.QRname);
2649 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2650 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2651 if (num_newmsgs > 1) supplied_msg = NULL;
2653 /* Now the regular stuff */
2654 if (CtdlGetRoomLock(&CC->room,
2655 ((roomname != NULL) ? roomname : CC->room.QRname) )
2657 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2658 return(ERROR + ROOM_NOT_FOUND);
2662 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2663 num_msgs_to_be_merged = 0;
2666 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2667 if (cdbfr == NULL) {
2671 msglist = (long *) cdbfr->ptr;
2672 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2673 num_msgs = cdbfr->len / sizeof(long);
2678 /* Create a list of msgid's which were supplied by the caller, but do
2679 * not already exist in the target room. It is absolutely taboo to
2680 * have more than one reference to the same message in a room.
2682 for (i=0; i<num_newmsgs; ++i) {
2684 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2685 if (msglist[j] == newmsgidlist[i]) {
2690 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2694 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2697 * Now merge the new messages
2699 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2700 if (msglist == NULL) {
2701 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2703 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2704 num_msgs += num_msgs_to_be_merged;
2706 /* Sort the message list, so all the msgid's are in order */
2707 num_msgs = sort_msglist(msglist, num_msgs);
2709 /* Determine the highest message number */
2710 highest_msg = msglist[num_msgs - 1];
2712 /* Write it back to disk. */
2713 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2714 msglist, (int)(num_msgs * sizeof(long)));
2716 /* Free up the memory we used. */
2719 /* Update the highest-message pointer and unlock the room. */
2720 CC->room.QRhighest = highest_msg;
2721 CtdlPutRoomLock(&CC->room);
2723 /* Perform replication checks if necessary */
2724 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2725 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2727 for (i=0; i<num_msgs_to_be_merged; ++i) {
2728 msgid = msgs_to_be_merged[i];
2730 if (supplied_msg != NULL) {
2734 msg = CtdlFetchMessage(msgid, 0);
2738 ReplicationChecks(msg);
2740 /* If the message has an Exclusive ID, index that... */
2741 if (msg->cm_fields['E'] != NULL) {
2742 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2745 /* Free up the memory we may have allocated */
2746 if (msg != supplied_msg) {
2747 CtdlFreeMessage(msg);
2755 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2758 /* Submit this room for processing by hooks */
2759 PerformRoomHooks(&CC->room);
2761 /* Go back to the room we were in before we wandered here... */
2762 CtdlGetRoom(&CC->room, hold_rm);
2764 /* Bump the reference count for all messages which were merged */
2765 if (!suppress_refcount_adj) {
2766 for (i=0; i<num_msgs_to_be_merged; ++i) {
2767 AdjRefCount(msgs_to_be_merged[i], +1);
2771 /* Free up memory... */
2772 if (msgs_to_be_merged != NULL) {
2773 free(msgs_to_be_merged);
2776 /* Return success. */
2782 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2785 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2786 int do_repl_check, struct CtdlMessage *supplied_msg)
2788 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2795 * Message base operation to save a new message to the message store
2796 * (returns new message number)
2798 * This is the back end for CtdlSubmitMsg() and should not be directly
2799 * called by server-side modules.
2802 long send_message(struct CtdlMessage *msg) {
2810 /* Get a new message number */
2811 newmsgid = get_new_message_number();
2812 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2813 (long unsigned int) time(NULL),
2814 (long unsigned int) newmsgid,
2818 /* Generate an ID if we don't have one already */
2819 if (msg->cm_fields['I']==NULL) {
2820 msg->cm_fields['I'] = strdup(msgidbuf);
2823 /* If the message is big, set its body aside for storage elsewhere */
2824 if (msg->cm_fields['M'] != NULL) {
2825 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2827 holdM = msg->cm_fields['M'];
2828 msg->cm_fields['M'] = NULL;
2832 /* Serialize our data structure for storage in the database */
2833 serialize_message(&smr, msg);
2836 msg->cm_fields['M'] = holdM;
2840 cprintf("%d Unable to serialize message\n",
2841 ERROR + INTERNAL_ERROR);
2845 /* Write our little bundle of joy into the message base */
2846 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2847 smr.ser, smr.len) < 0) {
2848 syslog(LOG_ERR, "Can't store message\n");
2852 cdb_store(CDB_BIGMSGS,
2862 /* Free the memory we used for the serialized message */
2865 /* Return the *local* message ID to the caller
2866 * (even if we're storing an incoming network message)
2874 * Serialize a struct CtdlMessage into the format used on disk and network.
2876 * This function loads up a "struct ser_ret" (defined in server.h) which
2877 * contains the length of the serialized message and a pointer to the
2878 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2880 void serialize_message(struct ser_ret *ret, /* return values */
2881 struct CtdlMessage *msg) /* unserialized msg */
2883 size_t wlen, fieldlen;
2885 static char *forder = FORDER;
2888 * Check for valid message format
2890 if (is_valid_message(msg) == 0) {
2891 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2898 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2899 ret->len = ret->len +
2900 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2902 ret->ser = malloc(ret->len);
2903 if (ret->ser == NULL) {
2904 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2905 (long)ret->len, strerror(errno));
2912 ret->ser[1] = msg->cm_anon_type;
2913 ret->ser[2] = msg->cm_format_type;
2916 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2917 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2918 ret->ser[wlen++] = (char)forder[i];
2919 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2920 wlen = wlen + fieldlen + 1;
2922 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2923 (long)ret->len, (long)wlen);
2930 * Serialize a struct CtdlMessage into the format used on disk and network.
2932 * This function loads up a "struct ser_ret" (defined in server.h) which
2933 * contains the length of the serialized message and a pointer to the
2934 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2936 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2937 long Siz) /* how many chars ? */
2940 static char *forder = FORDER;
2944 * Check for valid message format
2946 if (is_valid_message(msg) == 0) {
2947 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2951 buf = (char*) malloc (Siz + 1);
2953 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2954 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2955 msg->cm_fields[(int)forder[i]]);
2956 if (client_write (buf, strlen(buf)) == -1)
2958 syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
2969 * Check to see if any messages already exist in the current room which
2970 * carry the same Exclusive ID as this one. If any are found, delete them.
2972 void ReplicationChecks(struct CtdlMessage *msg) {
2973 long old_msgnum = (-1L);
2975 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2977 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2980 /* No exclusive id? Don't do anything. */
2981 if (msg == NULL) return;
2982 if (msg->cm_fields['E'] == NULL) return;
2983 if (IsEmptyStr(msg->cm_fields['E'])) return;
2984 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2985 msg->cm_fields['E'], CC->room.QRname);*/
2987 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2988 if (old_msgnum > 0L) {
2989 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2990 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2997 * Save a message to disk and submit it into the delivery system.
2999 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3000 struct recptypes *recps, /* recipients (if mail) */
3001 const char *force, /* force a particular room? */
3002 int flags /* should the message be exported clean? */
3005 char submit_filename[128];
3006 char generated_timestamp[32];
3007 char hold_rm[ROOMNAMELEN];
3008 char actual_rm[ROOMNAMELEN];
3009 char force_room[ROOMNAMELEN];
3010 char content_type[SIZ]; /* We have to learn this */
3011 char recipient[SIZ];
3013 const char *mptr = NULL;
3014 struct ctdluser userbuf;
3016 struct MetaData smi;
3017 FILE *network_fp = NULL;
3018 static int seqnum = 1;
3019 struct CtdlMessage *imsg = NULL;
3021 size_t instr_alloc = 0;
3023 char *hold_R, *hold_D;
3024 char *collected_addresses = NULL;
3025 struct addresses_to_be_filed *aptr = NULL;
3026 StrBuf *saved_rfc822_version = NULL;
3027 int qualified_for_journaling = 0;
3028 CitContext *CCC = MyContext();
3029 char bounce_to[1024] = "";
3032 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3033 if (is_valid_message(msg) == 0) return(-1); /* self check */
3035 /* If this message has no timestamp, we take the liberty of
3036 * giving it one, right now.
3038 if (msg->cm_fields['T'] == NULL) {
3039 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3040 msg->cm_fields['T'] = strdup(generated_timestamp);
3043 /* If this message has no path, we generate one.
3045 if (msg->cm_fields['P'] == NULL) {
3046 if (msg->cm_fields['A'] != NULL) {
3047 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3048 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3049 if (isspace(msg->cm_fields['P'][a])) {
3050 msg->cm_fields['P'][a] = ' ';
3055 msg->cm_fields['P'] = strdup("unknown");
3059 if (force == NULL) {
3060 strcpy(force_room, "");
3063 strcpy(force_room, force);
3066 /* Learn about what's inside, because it's what's inside that counts */
3067 if (msg->cm_fields['M'] == NULL) {
3068 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3072 switch (msg->cm_format_type) {
3074 strcpy(content_type, "text/x-citadel-variformat");
3077 strcpy(content_type, "text/plain");
3080 strcpy(content_type, "text/plain");
3081 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3084 safestrncpy(content_type, &mptr[13], sizeof content_type);
3085 striplt(content_type);
3086 aptr = content_type;
3087 while (!IsEmptyStr(aptr)) {
3099 /* Goto the correct room */
3100 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3101 strcpy(hold_rm, CCC->room.QRname);
3102 strcpy(actual_rm, CCC->room.QRname);
3103 if (recps != NULL) {
3104 strcpy(actual_rm, SENTITEMS);
3107 /* If the user is a twit, move to the twit room for posting */
3109 if (CCC->user.axlevel == AxProbU) {
3110 strcpy(hold_rm, actual_rm);
3111 strcpy(actual_rm, config.c_twitroom);
3112 syslog(LOG_DEBUG, "Diverting to twit room\n");
3116 /* ...or if this message is destined for Aide> then go there. */
3117 if (!IsEmptyStr(force_room)) {
3118 strcpy(actual_rm, force_room);
3121 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3122 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3123 /* CtdlGetRoom(&CCC->room, actual_rm); */
3124 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3128 * If this message has no O (room) field, generate one.
3130 if (msg->cm_fields['O'] == NULL) {
3131 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3134 /* Perform "before save" hooks (aborting if any return nonzero) */
3135 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3136 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3139 * If this message has an Exclusive ID, and the room is replication
3140 * checking enabled, then do replication checks.
3142 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3143 ReplicationChecks(msg);
3146 /* Save it to disk */
3147 syslog(LOG_DEBUG, "Saving to disk\n");
3148 newmsgid = send_message(msg);
3149 if (newmsgid <= 0L) return(-5);
3151 /* Write a supplemental message info record. This doesn't have to
3152 * be a critical section because nobody else knows about this message
3155 syslog(LOG_DEBUG, "Creating MetaData record\n");
3156 memset(&smi, 0, sizeof(struct MetaData));
3157 smi.meta_msgnum = newmsgid;
3158 smi.meta_refcount = 0;
3159 safestrncpy(smi.meta_content_type, content_type,
3160 sizeof smi.meta_content_type);
3163 * Measure how big this message will be when rendered as RFC822.
3164 * We do this for two reasons:
3165 * 1. We need the RFC822 length for the new metadata record, so the
3166 * POP and IMAP services don't have to calculate message lengths
3167 * while the user is waiting (multiplied by potentially hundreds
3168 * or thousands of messages).
3169 * 2. If journaling is enabled, we will need an RFC822 version of the
3170 * message to attach to the journalized copy.
3172 if (CCC->redirect_buffer != NULL) {
3173 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3176 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3177 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3178 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3179 saved_rfc822_version = CCC->redirect_buffer;
3180 CCC->redirect_buffer = NULL;
3184 /* Now figure out where to store the pointers */
3185 syslog(LOG_DEBUG, "Storing pointers\n");
3187 /* If this is being done by the networker delivering a private
3188 * message, we want to BYPASS saving the sender's copy (because there
3189 * is no local sender; it would otherwise go to the Trashcan).
3191 if ((!CCC->internal_pgm) || (recps == NULL)) {
3192 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3193 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3194 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3198 /* For internet mail, drop a copy in the outbound queue room */
3199 if ((recps != NULL) && (recps->num_internet > 0)) {
3200 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3203 /* If other rooms are specified, drop them there too. */
3204 if ((recps != NULL) && (recps->num_room > 0))
3205 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3206 extract_token(recipient, recps->recp_room, i,
3207 '|', sizeof recipient);
3208 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3209 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3212 /* Bump this user's messages posted counter. */
3213 syslog(LOG_DEBUG, "Updating user\n");
3214 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3215 CCC->user.posted = CCC->user.posted + 1;
3216 CtdlPutUserLock(&CCC->user);
3218 /* Decide where bounces need to be delivered */
3219 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3220 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3222 else if (CCC->logged_in) {
3223 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3226 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3229 /* If this is private, local mail, make a copy in the
3230 * recipient's mailbox and bump the reference count.
3232 if ((recps != NULL) && (recps->num_local > 0))
3233 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3234 extract_token(recipient, recps->recp_local, i,
3235 '|', sizeof recipient);
3236 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3238 if (CtdlGetUser(&userbuf, recipient) == 0) {
3239 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3240 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3241 CtdlBumpNewMailCounter(userbuf.usernum);
3242 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3243 /* Generate a instruction message for the Funambol notification
3244 * server, in the same style as the SMTP queue
3247 instr = malloc(instr_alloc);
3248 snprintf(instr, instr_alloc,
3249 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3251 SPOOLMIME, newmsgid, (long)time(NULL),
3255 imsg = malloc(sizeof(struct CtdlMessage));
3256 memset(imsg, 0, sizeof(struct CtdlMessage));
3257 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3258 imsg->cm_anon_type = MES_NORMAL;
3259 imsg->cm_format_type = FMT_RFC822;
3260 imsg->cm_fields['U'] = strdup("QMSG");
3261 imsg->cm_fields['A'] = strdup("Citadel");
3262 imsg->cm_fields['J'] = strdup("do not journal");
3263 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3264 imsg->cm_fields['2'] = strdup(recipient);
3265 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3266 CtdlFreeMessage(imsg);
3270 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3271 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3275 /* Perform "after save" hooks */
3276 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3277 if (msg->cm_fields['3'] != NULL) free(msg->cm_fields['3']);
3278 msg->cm_fields['3'] = malloc(20);
3279 snprintf(msg->cm_fields['3'], 20, "%ld", newmsgid);
3280 PerformMessageHooks(msg, EVT_AFTERSAVE);
3281 free(msg->cm_fields['3']);
3282 msg->cm_fields['3'] = NULL;
3284 /* For IGnet mail, we have to save a new copy into the spooler for
3285 * each recipient, with the R and D fields set to the recipient and
3286 * destination-node. This has two ugly side effects: all other
3287 * recipients end up being unlisted in this recipient's copy of the
3288 * message, and it has to deliver multiple messages to the same
3289 * node. We'll revisit this again in a year or so when everyone has
3290 * a network spool receiver that can handle the new style messages.
3292 if ((recps != NULL) && (recps->num_ignet > 0))
3293 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3294 extract_token(recipient, recps->recp_ignet, i,
3295 '|', sizeof recipient);
3297 hold_R = msg->cm_fields['R'];
3298 hold_D = msg->cm_fields['D'];
3299 msg->cm_fields['R'] = malloc(SIZ);
3300 msg->cm_fields['D'] = malloc(128);
3301 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3302 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3304 serialize_message(&smr, msg);
3306 snprintf(submit_filename, sizeof submit_filename,
3307 "%s/netmail.%04lx.%04x.%04x",
3309 (long) getpid(), CCC->cs_pid, ++seqnum);
3310 network_fp = fopen(submit_filename, "wb+");
3311 if (network_fp != NULL) {
3312 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3314 syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n",
3322 free(msg->cm_fields['R']);
3323 free(msg->cm_fields['D']);
3324 msg->cm_fields['R'] = hold_R;
3325 msg->cm_fields['D'] = hold_D;
3328 /* Go back to the room we started from */
3329 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3330 if (strcasecmp(hold_rm, CCC->room.QRname))
3331 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3333 /* For internet mail, generate delivery instructions.
3334 * Yes, this is recursive. Deal with it. Infinite recursion does
3335 * not happen because the delivery instructions message does not
3336 * contain a recipient.
3338 if ((recps != NULL) && (recps->num_internet > 0)) {
3339 StrBuf *SpoolMsg = NewStrBuf();
3342 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3344 StrBufPrintf(SpoolMsg,
3345 "Content-type: "SPOOLMIME"\n"
3354 if (recps->envelope_from != NULL) {
3355 StrBufAppendBufPlain(SpoolMsg, HKEY("envelope_from|"), 0);
3356 StrBufAppendBufPlain(SpoolMsg, recps->envelope_from, -1, 0);
3357 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3359 if (recps->sending_room != NULL) {
3360 StrBufAppendBufPlain(SpoolMsg, HKEY("source_room|"), 0);
3361 StrBufAppendBufPlain(SpoolMsg, recps->sending_room, -1, 0);
3362 StrBufAppendBufPlain(SpoolMsg, HKEY("\n"), 0);
3365 nTokens = num_tokens(recps->recp_internet, '|');
3366 for (i = 0; i < nTokens; i++) {
3368 len = extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3370 StrBufAppendBufPlain(SpoolMsg, HKEY("remote|"), 0);
3371 StrBufAppendBufPlain(SpoolMsg, recipient, len, 0);
3372 StrBufAppendBufPlain(SpoolMsg, HKEY("|0||\n"), 0);
3376 imsg = malloc(sizeof(struct CtdlMessage));
3377 memset(imsg, 0, sizeof(struct CtdlMessage));
3378 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3379 imsg->cm_anon_type = MES_NORMAL;
3380 imsg->cm_format_type = FMT_RFC822;
3381 imsg->cm_fields['U'] = strdup("QMSG");
3382 imsg->cm_fields['A'] = strdup("Citadel");
3383 imsg->cm_fields['J'] = strdup("do not journal");
3384 imsg->cm_fields['M'] = SmashStrBuf(&SpoolMsg); /* imsg owns this memory now */
3385 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3386 CtdlFreeMessage(imsg);
3390 * Any addresses to harvest for someone's address book?
3392 if ( (CCC->logged_in) && (recps != NULL) ) {
3393 collected_addresses = harvest_collected_addresses(msg);
3396 if (collected_addresses != NULL) {
3397 aptr = (struct addresses_to_be_filed *)
3398 malloc(sizeof(struct addresses_to_be_filed));
3399 CtdlMailboxName(actual_rm, sizeof actual_rm,
3400 &CCC->user, USERCONTACTSROOM);
3401 aptr->roomname = strdup(actual_rm);
3402 aptr->collected_addresses = collected_addresses;
3403 begin_critical_section(S_ATBF);
3406 end_critical_section(S_ATBF);
3410 * Determine whether this message qualifies for journaling.
3412 if (msg->cm_fields['J'] != NULL) {
3413 qualified_for_journaling = 0;
3416 if (recps == NULL) {
3417 qualified_for_journaling = config.c_journal_pubmsgs;
3419 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3420 qualified_for_journaling = config.c_journal_email;
3423 qualified_for_journaling = config.c_journal_pubmsgs;
3428 * Do we have to perform journaling? If so, hand off the saved
3429 * RFC822 version will be handed off to the journaler for background
3430 * submit. Otherwise, we have to free the memory ourselves.
3432 if (saved_rfc822_version != NULL) {
3433 if (qualified_for_journaling) {
3434 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3437 FreeStrBuf(&saved_rfc822_version);
3447 void aide_message (char *text, char *subject)
3449 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3454 * Convenience function for generating small administrative messages.
3456 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3457 int format_type, const char *subject)
3459 struct CtdlMessage *msg;
3460 struct recptypes *recp = NULL;
3462 msg = malloc(sizeof(struct CtdlMessage));
3463 memset(msg, 0, sizeof(struct CtdlMessage));
3464 msg->cm_magic = CTDLMESSAGE_MAGIC;
3465 msg->cm_anon_type = MES_NORMAL;
3466 msg->cm_format_type = format_type;
3469 msg->cm_fields['A'] = strdup(from);
3471 else if (fromaddr != NULL) {
3472 msg->cm_fields['A'] = strdup(fromaddr);
3473 if (strchr(msg->cm_fields['A'], '@')) {
3474 *strchr(msg->cm_fields['A'], '@') = 0;
3478 msg->cm_fields['A'] = strdup("Citadel");
3481 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3482 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3483 msg->cm_fields['N'] = strdup(NODENAME);
3485 msg->cm_fields['R'] = strdup(to);
3486 recp = validate_recipients(to, NULL, 0);
3488 if (subject != NULL) {
3489 msg->cm_fields['U'] = strdup(subject);
3491 msg->cm_fields['M'] = strdup(text);
3493 CtdlSubmitMsg(msg, recp, room, 0);
3494 CtdlFreeMessage(msg);
3495 if (recp != NULL) free_recipients(recp);
3501 * Back end function used by CtdlMakeMessage() and similar functions
3503 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3505 size_t maxlen, /* maximum message length */
3506 char *exist, /* if non-null, append to it;
3507 exist is ALWAYS freed */
3508 int crlf, /* CRLF newlines instead of LF */
3509 int *sock /* socket handle or 0 for this session's client socket */
3518 LineBuf = NewStrBufPlain(NULL, SIZ);
3519 if (exist == NULL) {
3520 Message = NewStrBufPlain(NULL, 4 * SIZ);
3523 Message = NewStrBufPlain(exist, -1);
3527 /* Do we need to change leading ".." to "." for SMTP escaping? */
3528 if ((tlen == 1) && (*terminator == '.')) {
3532 /* read in the lines of message text one by one */
3535 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3540 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3542 if ((StrLength(LineBuf) == tlen) &&
3543 (!strcmp(ChrPtr(LineBuf), terminator)))
3546 if ( (!flushing) && (!finished) ) {
3548 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3551 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3554 /* Unescape SMTP-style input of two dots at the beginning of the line */
3556 (StrLength(LineBuf) == 2) &&
3557 (!strcmp(ChrPtr(LineBuf), "..")))
3559 StrBufCutLeft(LineBuf, 1);
3562 StrBufAppendBuf(Message, LineBuf, 0);
3565 /* if we've hit the max msg length, flush the rest */
3566 if (StrLength(Message) >= maxlen) flushing = 1;
3568 } while (!finished);
3569 FreeStrBuf(&LineBuf);
3573 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3577 FreeStrBuf(&(*Msg)->MsgBuf);
3583 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3585 size_t maxlen, /* maximum message length */
3586 size_t expectlen, /* if we expect a message, how long should it be? */
3587 char *exist, /* if non-null, append to it;
3588 exist is ALWAYS freed */
3589 long eLen, /* length of exist */
3590 int crlf /* CRLF newlines instead of LF */
3593 ReadAsyncMsg *NewMsg;
3595 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3596 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3598 if (exist == NULL) {
3601 if (expectlen == 0) {
3605 len = expectlen + 10;
3607 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3610 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3613 /* Do we need to change leading ".." to "." for SMTP escaping? */
3614 if ((tlen == 1) && (*terminator == '.')) {
3618 NewMsg->terminator = terminator;
3619 NewMsg->tlen = tlen;
3621 NewMsg->maxlen = maxlen;
3623 NewMsg->crlf = crlf;
3629 * Back end function used by CtdlMakeMessage() and similar functions
3631 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3633 ReadAsyncMsg *ReadMsg;
3634 int MsgFinished = 0;
3635 eReadState Finished = eMustReadMore;
3640 const char *pch = ChrPtr(IO->SendBuf.Buf);
3641 const char *pchh = IO->SendBuf.ReadWritePointer;
3647 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3648 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3649 ((CitContext*)(IO->CitContext))->ServiceName,
3652 fd = fopen(fn, "a+");
3655 ReadMsg = IO->ReadMsg;
3657 /* read in the lines of message text one by one */
3659 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3662 case eMustReadMore: /// read new from socket...
3664 if (IO->RecvBuf.ReadWritePointer != NULL) {
3665 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3666 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3668 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3672 fprintf(fd, "BufferEmpty! \n");
3678 case eBufferNotEmpty: /* shouldn't happen... */
3679 case eReadSuccess: /// done for now...
3681 case eReadFail: /// WHUT?
3687 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3688 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3691 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3694 else if (!ReadMsg->flushing) {
3697 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3700 /* Unescape SMTP-style input of two dots at the beginning of the line */
3701 if ((ReadMsg->dodot) &&
3702 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3703 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3706 fprintf(fd, "UnEscaped!\n");
3708 StrBufCutLeft(IO->IOBuf, 1);
3711 if (ReadMsg->crlf) {
3712 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3715 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3718 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3721 /* if we've hit the max msg length, flush the rest */
3722 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3724 } while (!MsgFinished);
3727 fprintf(fd, "Done with reading; %s.\n, ",
3728 (MsgFinished)?"Message Finished": "FAILED");
3732 return eReadSuccess;
3739 * Back end function used by CtdlMakeMessage() and similar functions
3741 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3743 size_t maxlen, /* maximum message length */
3744 char *exist, /* if non-null, append to it;
3745 exist is ALWAYS freed */
3746 int crlf, /* CRLF newlines instead of LF */
3747 int *sock /* socket handle or 0 for this session's client socket */
3752 Message = CtdlReadMessageBodyBuf(terminator,
3758 if (Message == NULL)
3761 return SmashStrBuf(&Message);
3766 * Build a binary message to be saved on disk.
3767 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3768 * will become part of the message. This means you are no longer
3769 * responsible for managing that memory -- it will be freed along with
3770 * the rest of the fields when CtdlFreeMessage() is called.)
3773 struct CtdlMessage *CtdlMakeMessage(
3774 struct ctdluser *author, /* author's user structure */
3775 char *recipient, /* NULL if it's not mail */
3776 char *recp_cc, /* NULL if it's not mail */
3777 char *room, /* room where it's going */
3778 int type, /* see MES_ types in header file */
3779 int format_type, /* variformat, plain text, MIME... */
3780 char *fake_name, /* who we're masquerading as */
3781 char *my_email, /* which of my email addresses to use (empty is ok) */
3782 char *subject, /* Subject (optional) */
3783 char *supplied_euid, /* ...or NULL if this is irrelevant */
3784 char *preformatted_text, /* ...or NULL to read text from client */
3785 char *references /* Thread references */
3787 char dest_node[256];
3789 struct CtdlMessage *msg;
3791 StrBuf *FakeEncAuthor = NULL;
3793 msg = malloc(sizeof(struct CtdlMessage));
3794 memset(msg, 0, sizeof(struct CtdlMessage));
3795 msg->cm_magic = CTDLMESSAGE_MAGIC;
3796 msg->cm_anon_type = type;
3797 msg->cm_format_type = format_type;
3799 /* Don't confuse the poor folks if it's not routed mail. */
3800 strcpy(dest_node, "");
3802 if (recipient != NULL) striplt(recipient);
3803 if (recp_cc != NULL) striplt(recp_cc);
3805 /* Path or Return-Path */
3806 if (my_email == NULL) my_email = "";
3808 if (!IsEmptyStr(my_email)) {
3809 msg->cm_fields['P'] = strdup(my_email);
3812 snprintf(buf, sizeof buf, "%s", author->fullname);
3813 msg->cm_fields['P'] = strdup(buf);
3815 convert_spaces_to_underscores(msg->cm_fields['P']);
3817 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3818 msg->cm_fields['T'] = strdup(buf);
3820 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3821 FakeAuthor = NewStrBufPlain (fake_name, -1);
3824 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3826 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3827 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3828 FreeStrBuf(&FakeAuthor);
3830 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3831 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3834 msg->cm_fields['O'] = strdup(CC->room.QRname);
3837 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3838 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3840 if ((recipient != NULL) && (recipient[0] != 0)) {
3841 msg->cm_fields['R'] = strdup(recipient);
3843 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3844 msg->cm_fields['Y'] = strdup(recp_cc);
3846 if (dest_node[0] != 0) {
3847 msg->cm_fields['D'] = strdup(dest_node);
3850 if (!IsEmptyStr(my_email)) {
3851 msg->cm_fields['F'] = strdup(my_email);
3853 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3854 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3857 if (subject != NULL) {
3860 length = strlen(subject);
3866 while ((subject[i] != '\0') &&
3867 (IsAscii = isascii(subject[i]) != 0 ))
3870 msg->cm_fields['U'] = strdup(subject);
3871 else /* ok, we've got utf8 in the string. */
3873 msg->cm_fields['U'] = rfc2047encode(subject, length);
3879 if (supplied_euid != NULL) {
3880 msg->cm_fields['E'] = strdup(supplied_euid);
3883 if ((references != NULL) && (!IsEmptyStr(references))) {
3884 if (msg->cm_fields['W'] != NULL)
3885 free(msg->cm_fields['W']);
3886 msg->cm_fields['W'] = strdup(references);
3889 if (preformatted_text != NULL) {
3890 msg->cm_fields['M'] = preformatted_text;
3893 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3899 extern int netconfig_check_roomaccess(
3902 const char* RemoteIdentifier); /* TODO: find a smarter way */
3905 * Check to see whether we have permission to post a message in the current
3906 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3907 * returns 0 on success.
3909 int CtdlDoIHavePermissionToPostInThisRoom(
3912 const char* RemoteIdentifier,
3918 if (!(CC->logged_in) &&
3919 (PostPublic == POST_LOGGED_IN)) {
3920 snprintf(errmsgbuf, n, "Not logged in.");
3921 return (ERROR + NOT_LOGGED_IN);
3923 else if (PostPublic == CHECK_EXISTANCE) {
3924 return (0); // We're Evaling whether a recipient exists
3926 else if (!(CC->logged_in)) {
3928 if ((CC->room.QRflags & QR_READONLY)) {
3929 snprintf(errmsgbuf, n, "Not logged in.");
3930 return (ERROR + NOT_LOGGED_IN);
3932 if (CC->room.QRflags2 & QR2_MODERATED) {
3933 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3934 return (ERROR + NOT_LOGGED_IN);
3936 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3938 return netconfig_check_roomaccess(errmsgbuf, n, RemoteIdentifier);
3944 if ((CC->user.axlevel < AxProbU)
3945 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3946 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3947 return (ERROR + HIGHER_ACCESS_REQUIRED);
3950 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3952 if (ra & UA_POSTALLOWED) {
3953 strcpy(errmsgbuf, "OK to post or reply here");
3957 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
3959 * To be thorough, we ought to check to see if the message they are
3960 * replying to is actually a valid one in this room, but unless this
3961 * actually becomes a problem we'll go with high performance instead.
3963 strcpy(errmsgbuf, "OK to reply here");
3967 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3968 /* Clarify what happened with a better error message */
3969 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3970 return (ERROR + HIGHER_ACCESS_REQUIRED);
3973 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3974 return (ERROR + HIGHER_ACCESS_REQUIRED);
3980 * Check to see if the specified user has Internet mail permission
3981 * (returns nonzero if permission is granted)
3983 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3985 /* Do not allow twits to send Internet mail */
3986 if (who->axlevel <= AxProbU) return(0);
3988 /* Globally enabled? */
3989 if (config.c_restrict == 0) return(1);
3991 /* User flagged ok? */
3992 if (who->flags & US_INTERNET) return(2);
3994 /* Aide level access? */
3995 if (who->axlevel >= AxAideU) return(3);
3997 /* No mail for you! */
4003 * Validate recipients, count delivery types and errors, and handle aliasing
4004 * FIXME check for dupes!!!!!
4006 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4007 * were specified, or the number of addresses found invalid.
4009 * Caller needs to free the result using free_recipients()
4011 struct recptypes *validate_recipients(const char *supplied_recipients,
4012 const char *RemoteIdentifier,
4014 struct recptypes *ret;
4015 char *recipients = NULL;
4016 char this_recp[256];
4017 char this_recp_cooked[256];
4023 struct ctdluser tempUS;
4024 struct ctdlroom tempQR;
4025 struct ctdlroom tempQR2;
4031 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4032 if (ret == NULL) return(NULL);
4034 /* Set all strings to null and numeric values to zero */
4035 memset(ret, 0, sizeof(struct recptypes));
4037 if (supplied_recipients == NULL) {
4038 recipients = strdup("");
4041 recipients = strdup(supplied_recipients);
4044 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4045 * actually need, but it's healthier for the heap than doing lots of tiny
4046 * realloc() calls instead.
4049 ret->errormsg = malloc(strlen(recipients) + 1024);
4050 ret->recp_local = malloc(strlen(recipients) + 1024);
4051 ret->recp_internet = malloc(strlen(recipients) + 1024);
4052 ret->recp_ignet = malloc(strlen(recipients) + 1024);
4053 ret->recp_room = malloc(strlen(recipients) + 1024);
4054 ret->display_recp = malloc(strlen(recipients) + 1024);
4056 ret->errormsg[0] = 0;
4057 ret->recp_local[0] = 0;
4058 ret->recp_internet[0] = 0;
4059 ret->recp_ignet[0] = 0;
4060 ret->recp_room[0] = 0;
4061 ret->display_recp[0] = 0;
4063 ret->recptypes_magic = RECPTYPES_MAGIC;
4065 /* Change all valid separator characters to commas */
4066 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4067 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4068 recipients[i] = ',';
4072 /* Now start extracting recipients... */
4074 while (!IsEmptyStr(recipients)) {
4076 for (i=0; i<=strlen(recipients); ++i) {
4077 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4078 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4079 safestrncpy(this_recp, recipients, i+1);
4081 if (recipients[i] == ',') {
4082 strcpy(recipients, &recipients[i+1]);
4085 strcpy(recipients, "");
4092 if (IsEmptyStr(this_recp))
4094 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4096 mailtype = alias(this_recp);
4097 mailtype = alias(this_recp);
4098 mailtype = alias(this_recp);
4100 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
4101 if (this_recp[j]=='_') {
4102 this_recp_cooked[j] = ' ';
4105 this_recp_cooked[j] = this_recp[j];
4108 this_recp_cooked[j] = '\0';
4113 if (!strcasecmp(this_recp, "sysop")) {
4115 strcpy(this_recp, config.c_aideroom);
4116 if (!IsEmptyStr(ret->recp_room)) {
4117 strcat(ret->recp_room, "|");
4119 strcat(ret->recp_room, this_recp);
4121 else if ( (!strncasecmp(this_recp, "room_", 5))
4122 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4124 /* Save room so we can restore it later */
4128 /* Check permissions to send mail to this room */
4129 err = CtdlDoIHavePermissionToPostInThisRoom(
4134 0 /* 0 = not a reply */
4143 if (!IsEmptyStr(ret->recp_room)) {
4144 strcat(ret->recp_room, "|");
4146 strcat(ret->recp_room, &this_recp_cooked[5]);
4149 /* Restore room in case something needs it */
4153 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4155 strcpy(this_recp, tempUS.fullname);
4156 if (!IsEmptyStr(ret->recp_local)) {
4157 strcat(ret->recp_local, "|");
4159 strcat(ret->recp_local, this_recp);
4161 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4163 strcpy(this_recp, tempUS.fullname);
4164 if (!IsEmptyStr(ret->recp_local)) {
4165 strcat(ret->recp_local, "|");
4167 strcat(ret->recp_local, this_recp);
4175 /* Yes, you're reading this correctly: if the target
4176 * domain points back to the local system or an attached
4177 * Citadel directory, the address is invalid. That's
4178 * because if the address were valid, we would have
4179 * already translated it to a local address by now.
4181 if (IsDirectory(this_recp, 0)) {
4186 ++ret->num_internet;
4187 if (!IsEmptyStr(ret->recp_internet)) {
4188 strcat(ret->recp_internet, "|");
4190 strcat(ret->recp_internet, this_recp);
4195 if (!IsEmptyStr(ret->recp_ignet)) {
4196 strcat(ret->recp_ignet, "|");
4198 strcat(ret->recp_ignet, this_recp);
4206 if (IsEmptyStr(errmsg)) {
4207 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4210 snprintf(append, sizeof append, "%s", errmsg);
4212 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4213 if (!IsEmptyStr(ret->errormsg)) {
4214 strcat(ret->errormsg, "; ");
4216 strcat(ret->errormsg, append);
4220 if (IsEmptyStr(ret->display_recp)) {
4221 strcpy(append, this_recp);
4224 snprintf(append, sizeof append, ", %s", this_recp);
4226 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4227 strcat(ret->display_recp, append);
4232 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4233 ret->num_room + ret->num_error) == 0) {
4234 ret->num_error = (-1);
4235 strcpy(ret->errormsg, "No recipients specified.");
4238 syslog(LOG_DEBUG, "validate_recipients()\n");
4239 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4240 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4241 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4242 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4243 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4251 * Destructor for struct recptypes
4253 void free_recipients(struct recptypes *valid) {
4255 if (valid == NULL) {
4259 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4260 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4264 if (valid->errormsg != NULL) free(valid->errormsg);
4265 if (valid->recp_local != NULL) free(valid->recp_local);
4266 if (valid->recp_internet != NULL) free(valid->recp_internet);
4267 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4268 if (valid->recp_room != NULL) free(valid->recp_room);
4269 if (valid->display_recp != NULL) free(valid->display_recp);
4270 if (valid->bounce_to != NULL) free(valid->bounce_to);
4271 if (valid->envelope_from != NULL) free(valid->envelope_from);
4278 * message entry - mode 0 (normal)
4280 void cmd_ent0(char *entargs)
4282 struct CitContext *CCC = CC;
4287 char supplied_euid[128];
4289 int format_type = 0;
4290 char newusername[256];
4291 char newuseremail[256];
4292 struct CtdlMessage *msg;
4296 struct recptypes *valid = NULL;
4297 struct recptypes *valid_to = NULL;
4298 struct recptypes *valid_cc = NULL;
4299 struct recptypes *valid_bcc = NULL;
4301 int subject_required = 0;
4303 int verbose_reply = 0;
4307 int newuseremail_ok = 0;
4308 char references[SIZ];
4313 post = extract_int(entargs, 0);
4314 extract_token(recp, entargs, 1, '|', sizeof recp);
4315 anon_flag = extract_int(entargs, 2);
4316 format_type = extract_int(entargs, 3);
4317 extract_token(subject, entargs, 4, '|', sizeof subject);
4318 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4319 do_confirm = extract_int(entargs, 6);
4320 extract_token(cc, entargs, 7, '|', sizeof cc);
4321 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4322 verbose_reply = extract_int(entargs, 9);
4323 switch(CC->room.QRdefaultview) {
4326 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4329 supplied_euid[0] = 0;
4332 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4333 extract_token(references, entargs, 11, '|', sizeof references);
4334 for (ptr=references; *ptr != 0; ++ptr) {
4335 if (*ptr == '!') *ptr = '|';
4338 /* first check to make sure the request is valid. */
4340 err = CtdlDoIHavePermissionToPostInThisRoom(
4345 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4349 cprintf("%d %s\n", err, errmsg);
4353 /* Check some other permission type things. */
4355 if (IsEmptyStr(newusername)) {
4356 strcpy(newusername, CCC->user.fullname);
4358 if ( (CCC->user.axlevel < AxAideU)
4359 && (strcasecmp(newusername, CCC->user.fullname))
4360 && (strcasecmp(newusername, CCC->cs_inet_fn))
4362 cprintf("%d You don't have permission to author messages as '%s'.\n",
4363 ERROR + HIGHER_ACCESS_REQUIRED,
4370 if (IsEmptyStr(newuseremail)) {
4371 newuseremail_ok = 1;
4374 if (!IsEmptyStr(newuseremail)) {
4375 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4376 newuseremail_ok = 1;
4378 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4379 j = num_tokens(CCC->cs_inet_other_emails, '|');
4380 for (i=0; i<j; ++i) {
4381 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4382 if (!strcasecmp(newuseremail, buf)) {
4383 newuseremail_ok = 1;
4389 if (!newuseremail_ok) {
4390 cprintf("%d You don't have permission to author messages as '%s'.\n",
4391 ERROR + HIGHER_ACCESS_REQUIRED,
4397 CCC->cs_flags |= CS_POSTING;
4399 /* In mailbox rooms we have to behave a little differently --
4400 * make sure the user has specified at least one recipient. Then
4401 * validate the recipient(s). We do this for the Mail> room, as
4402 * well as any room which has the "Mailbox" view set - unless it
4403 * is the DRAFTS room which does not require recipients
4406 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4407 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4408 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4409 if (CCC->user.axlevel < AxProbU) {
4410 strcpy(recp, "sysop");
4415 valid_to = validate_recipients(recp, NULL, 0);
4416 if (valid_to->num_error > 0) {
4417 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4418 free_recipients(valid_to);
4422 valid_cc = validate_recipients(cc, NULL, 0);
4423 if (valid_cc->num_error > 0) {
4424 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4425 free_recipients(valid_to);
4426 free_recipients(valid_cc);
4430 valid_bcc = validate_recipients(bcc, NULL, 0);
4431 if (valid_bcc->num_error > 0) {
4432 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4433 free_recipients(valid_to);
4434 free_recipients(valid_cc);
4435 free_recipients(valid_bcc);
4439 /* Recipient required, but none were specified */
4440 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4441 free_recipients(valid_to);
4442 free_recipients(valid_cc);
4443 free_recipients(valid_bcc);
4444 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4448 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4449 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4450 cprintf("%d You do not have permission "
4451 "to send Internet mail.\n",
4452 ERROR + HIGHER_ACCESS_REQUIRED);
4453 free_recipients(valid_to);
4454 free_recipients(valid_cc);
4455 free_recipients(valid_bcc);
4460 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)
4461 && (CCC->user.axlevel < AxNetU) ) {
4462 cprintf("%d Higher access required for network mail.\n",
4463 ERROR + HIGHER_ACCESS_REQUIRED);
4464 free_recipients(valid_to);
4465 free_recipients(valid_cc);
4466 free_recipients(valid_bcc);
4470 if ((RESTRICT_INTERNET == 1)
4471 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4472 && ((CCC->user.flags & US_INTERNET) == 0)
4473 && (!CCC->internal_pgm)) {
4474 cprintf("%d You don't have access to Internet mail.\n",
4475 ERROR + HIGHER_ACCESS_REQUIRED);
4476 free_recipients(valid_to);
4477 free_recipients(valid_cc);
4478 free_recipients(valid_bcc);
4484 /* Is this a room which has anonymous-only or anonymous-option? */
4485 anonymous = MES_NORMAL;
4486 if (CCC->room.QRflags & QR_ANONONLY) {
4487 anonymous = MES_ANONONLY;
4489 if (CCC->room.QRflags & QR_ANONOPT) {
4490 if (anon_flag == 1) { /* only if the user requested it */
4491 anonymous = MES_ANONOPT;
4495 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4499 /* Recommend to the client that the use of a message subject is
4500 * strongly recommended in this room, if either the SUBJECTREQ flag
4501 * is set, or if there is one or more Internet email recipients.
4503 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4504 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4505 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4506 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4508 /* If we're only checking the validity of the request, return
4509 * success without creating the message.
4512 cprintf("%d %s|%d\n", CIT_OK,
4513 ((valid_to != NULL) ? valid_to->display_recp : ""),
4515 free_recipients(valid_to);
4516 free_recipients(valid_cc);
4517 free_recipients(valid_bcc);
4521 /* We don't need these anymore because we'll do it differently below */
4522 free_recipients(valid_to);
4523 free_recipients(valid_cc);
4524 free_recipients(valid_bcc);
4526 /* Read in the message from the client. */
4528 cprintf("%d send message\n", START_CHAT_MODE);
4530 cprintf("%d send message\n", SEND_LISTING);
4533 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4534 CCC->room.QRname, anonymous, format_type,
4535 newusername, newuseremail, subject,
4536 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4539 /* Put together one big recipients struct containing to/cc/bcc all in
4540 * one. This is for the envelope.
4542 char *all_recps = malloc(SIZ * 3);
4543 strcpy(all_recps, recp);
4544 if (!IsEmptyStr(cc)) {
4545 if (!IsEmptyStr(all_recps)) {
4546 strcat(all_recps, ",");
4548 strcat(all_recps, cc);
4550 if (!IsEmptyStr(bcc)) {
4551 if (!IsEmptyStr(all_recps)) {
4552 strcat(all_recps, ",");
4554 strcat(all_recps, bcc);
4556 if (!IsEmptyStr(all_recps)) {
4557 valid = validate_recipients(all_recps, NULL, 0);
4565 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4568 if (StrLength(CCC->StatusMessage)>0)
4570 StrBufAppendBufPlain(CCC->StatusMessage, HKEY("\n000\n"), 0);
4571 cputbuf(CCC->StatusMessage);
4574 client_write(HKEY("\n000\n"));
4578 cprintf("%ld\n", msgnum);
4580 client_write(HKEY("Message accepted.\n"));
4583 client_write(HKEY("Internal error.\n"));
4585 if (msg->cm_fields['E'] != NULL) {
4586 cprintf("%s\n", msg->cm_fields['E']);
4593 CtdlFreeMessage(msg);
4595 if (valid != NULL) {
4596 free_recipients(valid);
4604 * API function to delete messages which match a set of criteria
4605 * (returns the actual number of messages deleted)
4607 int CtdlDeleteMessages(char *room_name, /* which room */
4608 long *dmsgnums, /* array of msg numbers to be deleted */
4609 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4610 char *content_type /* or "" for any. regular expressions expected. */
4613 struct ctdlroom qrbuf;
4614 struct cdbdata *cdbfr;
4615 long *msglist = NULL;
4616 long *dellist = NULL;
4619 int num_deleted = 0;
4621 struct MetaData smi;
4624 int need_to_free_re = 0;
4626 if (content_type) if (!IsEmptyStr(content_type)) {
4627 regcomp(&re, content_type, 0);
4628 need_to_free_re = 1;
4630 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4631 room_name, num_dmsgnums, content_type);
4633 /* get room record, obtaining a lock... */
4634 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4635 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4637 if (need_to_free_re) regfree(&re);
4638 return (0); /* room not found */
4640 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4642 if (cdbfr != NULL) {
4643 dellist = malloc(cdbfr->len);
4644 msglist = (long *) cdbfr->ptr;
4645 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4646 num_msgs = cdbfr->len / sizeof(long);
4650 for (i = 0; i < num_msgs; ++i) {
4653 /* Set/clear a bit for each criterion */
4655 /* 0 messages in the list or a null list means that we are
4656 * interested in deleting any messages which meet the other criteria.
4658 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4659 delete_this |= 0x01;
4662 for (j=0; j<num_dmsgnums; ++j) {
4663 if (msglist[i] == dmsgnums[j]) {
4664 delete_this |= 0x01;
4669 if (IsEmptyStr(content_type)) {
4670 delete_this |= 0x02;
4672 GetMetaData(&smi, msglist[i]);
4673 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4674 delete_this |= 0x02;
4678 /* Delete message only if all bits are set */
4679 if (delete_this == 0x03) {
4680 dellist[num_deleted++] = msglist[i];
4685 num_msgs = sort_msglist(msglist, num_msgs);
4686 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4687 msglist, (int)(num_msgs * sizeof(long)));
4690 qrbuf.QRhighest = msglist[num_msgs - 1];
4692 qrbuf.QRhighest = 0;
4694 CtdlPutRoomLock(&qrbuf);
4696 /* Go through the messages we pulled out of the index, and decrement
4697 * their reference counts by 1. If this is the only room the message
4698 * was in, the reference count will reach zero and the message will
4699 * automatically be deleted from the database. We do this in a
4700 * separate pass because there might be plug-in hooks getting called,
4701 * and we don't want that happening during an S_ROOMS critical
4704 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4705 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4706 AdjRefCount(dellist[i], -1);
4709 /* Now free the memory we used, and go away. */
4710 if (msglist != NULL) free(msglist);
4711 if (dellist != NULL) free(dellist);
4712 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4713 if (need_to_free_re) regfree(&re);
4714 return (num_deleted);
4720 * Check whether the current user has permission to delete messages from
4721 * the current room (returns 1 for yes, 0 for no)
4723 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4725 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4726 if (ra & UA_DELETEALLOWED) return(1);
4734 * Delete message from current room
4736 void cmd_dele(char *args)
4745 extract_token(msgset, args, 0, '|', sizeof msgset);
4746 num_msgs = num_tokens(msgset, ',');
4748 cprintf("%d Nothing to do.\n", CIT_OK);
4752 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4753 cprintf("%d Higher access required.\n",
4754 ERROR + HIGHER_ACCESS_REQUIRED);
4759 * Build our message set to be moved/copied
4761 msgs = malloc(num_msgs * sizeof(long));
4762 for (i=0; i<num_msgs; ++i) {
4763 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4764 msgs[i] = atol(msgtok);
4767 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4771 cprintf("%d %d message%s deleted.\n", CIT_OK,
4772 num_deleted, ((num_deleted != 1) ? "s" : ""));
4774 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4782 * move or copy a message to another room
4784 void cmd_move(char *args)
4791 char targ[ROOMNAMELEN];
4792 struct ctdlroom qtemp;
4799 extract_token(msgset, args, 0, '|', sizeof msgset);
4800 num_msgs = num_tokens(msgset, ',');
4802 cprintf("%d Nothing to do.\n", CIT_OK);
4806 extract_token(targ, args, 1, '|', sizeof targ);
4807 convert_room_name_macros(targ, sizeof targ);
4808 targ[ROOMNAMELEN - 1] = 0;
4809 is_copy = extract_int(args, 2);
4811 if (CtdlGetRoom(&qtemp, targ) != 0) {
4812 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4816 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4817 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4821 CtdlGetUser(&CC->user, CC->curr_user);
4822 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4824 /* Check for permission to perform this operation.
4825 * Remember: "CC->room" is source, "qtemp" is target.
4829 /* Aides can move/copy */
4830 if (CC->user.axlevel >= AxAideU) permit = 1;
4832 /* Room aides can move/copy */
4833 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4835 /* Permit move/copy from personal rooms */
4836 if ((CC->room.QRflags & QR_MAILBOX)
4837 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4839 /* Permit only copy from public to personal room */
4841 && (!(CC->room.QRflags & QR_MAILBOX))
4842 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4844 /* Permit message removal from collaborative delete rooms */
4845 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4847 /* Users allowed to post into the target room may move into it too. */
4848 if ((CC->room.QRflags & QR_MAILBOX) &&
4849 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4851 /* User must have access to target room */
4852 if (!(ra & UA_KNOWN)) permit = 0;
4855 cprintf("%d Higher access required.\n",
4856 ERROR + HIGHER_ACCESS_REQUIRED);
4861 * Build our message set to be moved/copied
4863 msgs = malloc(num_msgs * sizeof(long));
4864 for (i=0; i<num_msgs; ++i) {
4865 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4866 msgs[i] = atol(msgtok);
4872 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4874 cprintf("%d Cannot store message(s) in %s: error %d\n",
4880 /* Now delete the message from the source room,
4881 * if this is a 'move' rather than a 'copy' operation.
4884 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4888 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4894 * GetMetaData() - Get the supplementary record for a message
4896 void GetMetaData(struct MetaData *smibuf, long msgnum)
4899 struct cdbdata *cdbsmi;
4902 memset(smibuf, 0, sizeof(struct MetaData));
4903 smibuf->meta_msgnum = msgnum;
4904 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4906 /* Use the negative of the message number for its supp record index */
4907 TheIndex = (0L - msgnum);
4909 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4910 if (cdbsmi == NULL) {
4911 return; /* record not found; go with defaults */
4913 memcpy(smibuf, cdbsmi->ptr,
4914 ((cdbsmi->len > sizeof(struct MetaData)) ?
4915 sizeof(struct MetaData) : cdbsmi->len));
4922 * PutMetaData() - (re)write supplementary record for a message
4924 void PutMetaData(struct MetaData *smibuf)
4928 /* Use the negative of the message number for the metadata db index */
4929 TheIndex = (0L - smibuf->meta_msgnum);
4931 cdb_store(CDB_MSGMAIN,
4932 &TheIndex, (int)sizeof(long),
4933 smibuf, (int)sizeof(struct MetaData));
4938 * AdjRefCount - submit an adjustment to the reference count for a message.
4939 * (These are just queued -- we actually process them later.)
4941 void AdjRefCount(long msgnum, int incr)
4943 struct arcq new_arcq;
4946 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n", msgnum, incr);
4948 begin_critical_section(S_SUPPMSGMAIN);
4949 if (arcfp == NULL) {
4950 arcfp = fopen(file_arcq, "ab+");
4951 chown(file_arcq, CTDLUID, (-1));
4952 chmod(file_arcq, 0600);
4954 end_critical_section(S_SUPPMSGMAIN);
4956 /* msgnum < 0 means that we're trying to close the file */
4958 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4959 begin_critical_section(S_SUPPMSGMAIN);
4960 if (arcfp != NULL) {
4964 end_critical_section(S_SUPPMSGMAIN);
4969 * If we can't open the queue, perform the operation synchronously.
4971 if (arcfp == NULL) {
4972 TDAP_AdjRefCount(msgnum, incr);
4976 new_arcq.arcq_msgnum = msgnum;
4977 new_arcq.arcq_delta = incr;
4978 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4980 syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
4991 * TDAP_ProcessAdjRefCountQueue()
4993 * Process the queue of message count adjustments that was created by calls
4994 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4995 * for each one. This should be an "off hours" operation.
4997 int TDAP_ProcessAdjRefCountQueue(void)
4999 char file_arcq_temp[PATH_MAX];
5002 struct arcq arcq_rec;
5003 int num_records_processed = 0;
5005 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
5007 begin_critical_section(S_SUPPMSGMAIN);
5008 if (arcfp != NULL) {
5013 r = link(file_arcq, file_arcq_temp);
5015 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5016 end_critical_section(S_SUPPMSGMAIN);
5017 return(num_records_processed);
5021 end_critical_section(S_SUPPMSGMAIN);
5023 fp = fopen(file_arcq_temp, "rb");
5025 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5026 return(num_records_processed);
5029 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5030 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5031 ++num_records_processed;
5035 r = unlink(file_arcq_temp);
5037 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5040 return(num_records_processed);
5046 * TDAP_AdjRefCount - adjust the reference count for a message.
5047 * This one does it "for real" because it's called by
5048 * the autopurger function that processes the queue
5049 * created by AdjRefCount(). If a message's reference
5050 * count becomes zero, we also delete the message from
5051 * disk and de-index it.
5053 void TDAP_AdjRefCount(long msgnum, int incr)
5056 struct MetaData smi;
5059 /* This is a *tight* critical section; please keep it that way, as
5060 * it may get called while nested in other critical sections.
5061 * Complicating this any further will surely cause deadlock!
5063 begin_critical_section(S_SUPPMSGMAIN);
5064 GetMetaData(&smi, msgnum);
5065 smi.meta_refcount += incr;
5067 end_critical_section(S_SUPPMSGMAIN);
5068 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5069 msgnum, incr, smi.meta_refcount
5072 /* If the reference count is now zero, delete the message
5073 * (and its supplementary record as well).
5075 if (smi.meta_refcount == 0) {
5076 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5078 /* Call delete hooks with NULL room to show it has gone altogether */
5079 PerformDeleteHooks(NULL, msgnum);
5081 /* Remove from message base */
5083 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5084 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5086 /* Remove metadata record */
5087 delnum = (0L - msgnum);
5088 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5094 * Write a generic object to this room
5096 * Note: this could be much more efficient. Right now we use two temporary
5097 * files, and still pull the message into memory as with all others.
5099 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5100 char *content_type, /* MIME type of this object */
5101 char *raw_message, /* Data to be written */
5102 off_t raw_length, /* Size of raw_message */
5103 struct ctdluser *is_mailbox, /* Mailbox room? */
5104 int is_binary, /* Is encoding necessary? */
5105 int is_unique, /* Del others of this type? */
5106 unsigned int flags /* Internal save flags */
5110 struct ctdlroom qrbuf;
5111 char roomname[ROOMNAMELEN];
5112 struct CtdlMessage *msg;
5113 char *encoded_message = NULL;
5115 if (is_mailbox != NULL) {
5116 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5119 safestrncpy(roomname, req_room, sizeof(roomname));
5122 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5125 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5128 encoded_message = malloc((size_t)(raw_length + 4096));
5131 sprintf(encoded_message, "Content-type: %s\n", content_type);
5134 sprintf(&encoded_message[strlen(encoded_message)],
5135 "Content-transfer-encoding: base64\n\n"
5139 sprintf(&encoded_message[strlen(encoded_message)],
5140 "Content-transfer-encoding: 7bit\n\n"
5146 &encoded_message[strlen(encoded_message)],
5154 &encoded_message[strlen(encoded_message)],
5160 syslog(LOG_DEBUG, "Allocating\n");
5161 msg = malloc(sizeof(struct CtdlMessage));
5162 memset(msg, 0, sizeof(struct CtdlMessage));
5163 msg->cm_magic = CTDLMESSAGE_MAGIC;
5164 msg->cm_anon_type = MES_NORMAL;
5165 msg->cm_format_type = 4;
5166 msg->cm_fields['A'] = strdup(CC->user.fullname);
5167 msg->cm_fields['O'] = strdup(req_room);
5168 msg->cm_fields['N'] = strdup(config.c_nodename);
5169 msg->cm_fields['H'] = strdup(config.c_humannode);
5170 msg->cm_flags = flags;
5172 msg->cm_fields['M'] = encoded_message;
5174 /* Create the requested room if we have to. */
5175 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5176 CtdlCreateRoom(roomname,
5177 ( (is_mailbox != NULL) ? 5 : 3 ),
5178 "", 0, 1, 0, VIEW_BBS);
5180 /* If the caller specified this object as unique, delete all
5181 * other objects of this type that are currently in the room.
5184 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5185 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5188 /* Now write the data */
5189 CtdlSubmitMsg(msg, NULL, roomname, 0);
5190 CtdlFreeMessage(msg);
5198 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5199 config_msgnum = msgnum;
5203 char *CtdlGetSysConfig(char *sysconfname) {
5204 char hold_rm[ROOMNAMELEN];
5207 struct CtdlMessage *msg;
5210 strcpy(hold_rm, CC->room.QRname);
5211 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5212 CtdlGetRoom(&CC->room, hold_rm);
5217 /* We want the last (and probably only) config in this room */
5218 begin_critical_section(S_CONFIG);
5219 config_msgnum = (-1L);
5220 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5221 CtdlGetSysConfigBackend, NULL);
5222 msgnum = config_msgnum;
5223 end_critical_section(S_CONFIG);
5229 msg = CtdlFetchMessage(msgnum, 1);
5231 conf = strdup(msg->cm_fields['M']);
5232 CtdlFreeMessage(msg);
5239 CtdlGetRoom(&CC->room, hold_rm);
5241 if (conf != NULL) do {
5242 extract_token(buf, conf, 0, '\n', sizeof buf);
5243 strcpy(conf, &conf[strlen(buf)+1]);
5244 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5250 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5251 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5256 * Determine whether a given Internet address belongs to the current user
5258 int CtdlIsMe(char *addr, int addr_buf_len)
5260 struct recptypes *recp;
5263 recp = validate_recipients(addr, NULL, 0);
5264 if (recp == NULL) return(0);
5266 if (recp->num_local == 0) {
5267 free_recipients(recp);
5271 for (i=0; i<recp->num_local; ++i) {
5272 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5273 if (!strcasecmp(addr, CC->user.fullname)) {
5274 free_recipients(recp);
5279 free_recipients(recp);
5285 * Citadel protocol command to do the same
5287 void cmd_isme(char *argbuf) {
5290 if (CtdlAccessCheck(ac_logged_in)) return;
5291 extract_token(addr, argbuf, 0, '|', sizeof addr);
5293 if (CtdlIsMe(addr, sizeof addr)) {
5294 cprintf("%d %s\n", CIT_OK, addr);
5297 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5303 /*****************************************************************************/
5304 /* MODULE INITIALIZATION STUFF */
5305 /*****************************************************************************/
5307 CTDL_MODULE_INIT(msgbase)
5310 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5311 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5312 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5313 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5314 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5315 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5316 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5317 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5318 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5319 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5320 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5321 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5324 /* return our Subversion id for the Log */