2 * Implements the message store.
4 * Copyright (c) 1987-2011 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 as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #if TIME_WITH_SYS_TIME
28 # include <sys/time.h>
32 # include <sys/time.h>
45 #include <sys/types.h>
47 #include <libcitadel.h>
50 #include "serv_extensions.h"
54 #include "sysdep_decls.h"
55 #include "citserver.h"
62 #include "internet_addressing.h"
63 #include "euidindex.h"
64 #include "journaling.h"
65 #include "citadel_dirs.h"
66 #include "clientsocket.h"
67 #include "serv_network.h"
70 #include "ctdl_module.h"
73 struct addresses_to_be_filed *atbf = NULL;
75 /* This temp file holds the queue of operations for AdjRefCount() */
76 static FILE *arcfp = NULL;
79 * This really belongs in serv_network.c, but I don't know how to export
80 * symbols between modules.
82 struct FilterList *filterlist = NULL;
86 * These are the four-character field headers we use when outputting
87 * messages in Citadel format (as opposed to RFC822 format).
90 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
91 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
92 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
93 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
96 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
126 * This function is self explanatory.
127 * (What can I say, I'm in a weird mood today...)
129 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
133 for (i = 0; i < strlen(name); ++i) {
134 if (name[i] == '@') {
135 while (isspace(name[i - 1]) && i > 0) {
136 strcpy(&name[i - 1], &name[i]);
139 while (isspace(name[i + 1])) {
140 strcpy(&name[i + 1], &name[i + 2]);
148 * Aliasing for network mail.
149 * (Error messages have been commented out, because this is a server.)
151 int alias(char *name)
152 { /* process alias and routing info for mail */
155 char aaa[SIZ], bbb[SIZ];
156 char *ignetcfg = NULL;
157 char *ignetmap = NULL;
163 char original_name[256];
164 safestrncpy(original_name, name, sizeof original_name);
167 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
168 stripallbut(name, '<', '>');
170 fp = fopen(file_mail_aliases, "r");
172 fp = fopen("/dev/null", "r");
179 while (fgets(aaa, sizeof aaa, fp) != NULL) {
180 while (isspace(name[0]))
181 strcpy(name, &name[1]);
182 aaa[strlen(aaa) - 1] = 0;
184 for (a = 0; a < strlen(aaa); ++a) {
186 strcpy(bbb, &aaa[a + 1]);
190 if (!strcasecmp(name, aaa))
195 /* Hit the Global Address Book */
196 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
200 if (strcasecmp(original_name, name)) {
201 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
204 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
205 for (a=0; a<strlen(name); ++a) {
206 if (name[a] == '@') {
207 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
209 syslog(LOG_INFO, "Changed to <%s>\n", name);
214 /* determine local or remote type, see citadel.h */
215 at = haschar(name, '@');
216 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
217 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
218 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
220 /* figure out the delivery mode */
221 extract_token(node, name, 1, '@', sizeof node);
223 /* If there are one or more dots in the nodename, we assume that it
224 * is an FQDN and will attempt SMTP delivery to the Internet.
226 if (haschar(node, '.') > 0) {
227 return(MES_INTERNET);
230 /* Otherwise we look in the IGnet maps for a valid Citadel node.
231 * Try directly-connected nodes first...
233 ignetcfg = CtdlGetSysConfig(IGNETCFG);
234 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
235 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
236 extract_token(testnode, buf, 0, '|', sizeof testnode);
237 if (!strcasecmp(node, testnode)) {
245 * Then try nodes that are two or more hops away.
247 ignetmap = CtdlGetSysConfig(IGNETMAP);
248 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
249 extract_token(buf, ignetmap, i, '\n', sizeof buf);
250 extract_token(testnode, buf, 0, '|', sizeof testnode);
251 if (!strcasecmp(node, testnode)) {
258 /* If we get to this point it's an invalid node name */
264 * Back end for the MSGS command: output message number only.
266 void simple_listing(long msgnum, void *userdata)
268 cprintf("%ld\n", msgnum);
274 * Back end for the MSGS command: output header summary.
276 void headers_listing(long msgnum, void *userdata)
278 struct CtdlMessage *msg;
280 msg = CtdlFetchMessage(msgnum, 0);
282 cprintf("%ld|0|||||\n", msgnum);
286 cprintf("%ld|%s|%s|%s|%s|%s|\n",
288 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
289 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
290 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
291 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
292 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
294 CtdlFreeMessage(msg);
298 * Back end for the MSGS command: output EUID header.
300 void headers_euid(long msgnum, void *userdata)
302 struct CtdlMessage *msg;
304 msg = CtdlFetchMessage(msgnum, 0);
306 cprintf("%ld||\n", msgnum);
310 cprintf("%ld|%s|%s\n",
312 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
313 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
314 CtdlFreeMessage(msg);
321 /* Determine if a given message matches the fields in a message template.
322 * Return 0 for a successful match.
324 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
327 /* If there aren't any fields in the template, all messages will
330 if (template == NULL) return(0);
332 /* Null messages are bogus. */
333 if (msg == NULL) return(1);
335 for (i='A'; i<='Z'; ++i) {
336 if (template->cm_fields[i] != NULL) {
337 if (msg->cm_fields[i] == NULL) {
338 /* Considered equal if temmplate is empty string */
339 if (IsEmptyStr(template->cm_fields[i])) continue;
342 if (strcasecmp(msg->cm_fields[i],
343 template->cm_fields[i])) return 1;
347 /* All compares succeeded: we have a match! */
354 * Retrieve the "seen" message list for the current room.
356 void CtdlGetSeen(char *buf, int which_set) {
359 /* Learn about the user and room in question */
360 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
362 if (which_set == ctdlsetseen_seen)
363 safestrncpy(buf, vbuf.v_seen, SIZ);
364 if (which_set == ctdlsetseen_answered)
365 safestrncpy(buf, vbuf.v_answered, SIZ);
371 * Manipulate the "seen msgs" string (or other message set strings)
373 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
374 int target_setting, int which_set,
375 struct ctdluser *which_user, struct ctdlroom *which_room) {
376 struct cdbdata *cdbfr;
390 char *is_set; /* actually an array of booleans */
392 /* Don't bother doing *anything* if we were passed a list of zero messages */
393 if (num_target_msgnums < 1) {
397 /* If no room was specified, we go with the current room. */
399 which_room = &CC->room;
402 /* If no user was specified, we go with the current user. */
404 which_user = &CC->user;
407 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
408 num_target_msgnums, target_msgnums[0],
409 (target_setting ? "SET" : "CLEAR"),
413 /* Learn about the user and room in question */
414 CtdlGetRelationship(&vbuf, which_user, which_room);
416 /* Load the message list */
417 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
419 msglist = (long *) cdbfr->ptr;
420 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
421 num_msgs = cdbfr->len / sizeof(long);
424 return; /* No messages at all? No further action. */
427 is_set = malloc(num_msgs * sizeof(char));
428 memset(is_set, 0, (num_msgs * sizeof(char)) );
430 /* Decide which message set we're manipulating */
432 case ctdlsetseen_seen:
433 vset = NewStrBufPlain(vbuf.v_seen, -1);
435 case ctdlsetseen_answered:
436 vset = NewStrBufPlain(vbuf.v_answered, -1);
443 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
444 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
445 for (i=0; i<num_msgs; ++i) {
446 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
448 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
449 for (k=0; k<num_target_msgnums; ++k) {
450 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
454 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
456 /* Translate the existing sequence set into an array of booleans */
457 setstr = NewStrBuf();
461 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
463 StrBufExtract_token(lostr, setstr, 0, ':');
464 if (StrBufNum_tokens(setstr, ':') >= 2) {
465 StrBufExtract_token(histr, setstr, 1, ':');
469 StrBufAppendBuf(histr, lostr, 0);
472 if (!strcmp(ChrPtr(histr), "*")) {
479 for (i = 0; i < num_msgs; ++i) {
480 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
490 /* Now translate the array of booleans back into a sequence set */
496 for (i=0; i<num_msgs; ++i) {
500 for (k=0; k<num_target_msgnums; ++k) {
501 if (msglist[i] == target_msgnums[k]) {
502 is_seen = target_setting;
506 if ((was_seen == 0) && (is_seen == 1)) {
509 else if ((was_seen == 1) && (is_seen == 0)) {
512 if (StrLength(vset) > 0) {
513 StrBufAppendBufPlain(vset, HKEY(","), 0);
516 StrBufAppendPrintf(vset, "%ld", hi);
519 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
523 if ((is_seen) && (i == num_msgs - 1)) {
524 if (StrLength(vset) > 0) {
525 StrBufAppendBufPlain(vset, HKEY(","), 0);
527 if ((i==0) || (was_seen == 0)) {
528 StrBufAppendPrintf(vset, "%ld", msglist[i]);
531 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
539 * We will have to stuff this string back into a 4096 byte buffer, so if it's
540 * larger than that now, truncate it by removing tokens from the beginning.
541 * The limit of 100 iterations is there to prevent an infinite loop in case
542 * something unexpected happens.
544 int number_of_truncations = 0;
545 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
546 StrBufRemove_token(vset, 0, ',');
547 ++number_of_truncations;
551 * If we're truncating the sequence set of messages marked with the 'seen' flag,
552 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
553 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
555 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
557 first_tok = NewStrBuf();
558 StrBufExtract_token(first_tok, vset, 0, ',');
559 StrBufRemove_token(vset, 0, ',');
561 if (StrBufNum_tokens(first_tok, ':') > 1) {
562 StrBufRemove_token(first_tok, 0, ':');
566 new_set = NewStrBuf();
567 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
568 StrBufAppendBuf(new_set, first_tok, 0);
569 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
570 StrBufAppendBuf(new_set, vset, 0);
573 FreeStrBuf(&first_tok);
577 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
579 /* Decide which message set we're manipulating */
581 case ctdlsetseen_seen:
582 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
584 case ctdlsetseen_answered:
585 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
591 CtdlSetRelationship(&vbuf, which_user, which_room);
597 * API function to perform an operation for each qualifying message in the
598 * current room. (Returns the number of messages processed.)
600 int CtdlForEachMessage(int mode, long ref, char *search_string,
602 struct CtdlMessage *compare,
603 ForEachMsgCallback CallBack,
609 struct cdbdata *cdbfr;
610 long *msglist = NULL;
612 int num_processed = 0;
615 struct CtdlMessage *msg = NULL;
618 int printed_lastold = 0;
619 int num_search_msgs = 0;
620 long *search_msgs = NULL;
622 int need_to_free_re = 0;
625 if ((content_type) && (!IsEmptyStr(content_type))) {
626 regcomp(&re, content_type, 0);
630 /* Learn about the user and room in question */
631 CtdlGetUser(&CC->user, CC->curr_user);
632 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
634 /* Load the message list */
635 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
637 if (need_to_free_re) regfree(&re);
638 return 0; /* No messages at all? No further action. */
641 msglist = (long *) cdbfr->ptr;
642 num_msgs = cdbfr->len / sizeof(long);
644 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
645 cdb_free(cdbfr); /* we own this memory now */
648 * Now begin the traversal.
650 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
652 /* If the caller is looking for a specific MIME type, filter
653 * out all messages which are not of the type requested.
655 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
657 /* This call to GetMetaData() sits inside this loop
658 * so that we only do the extra database read per msg
659 * if we need to. Doing the extra read all the time
660 * really kills the server. If we ever need to use
661 * metadata for another search criterion, we need to
662 * move the read somewhere else -- but still be smart
663 * enough to only do the read if the caller has
664 * specified something that will need it.
666 GetMetaData(&smi, msglist[a]);
668 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
669 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
675 num_msgs = sort_msglist(msglist, num_msgs);
677 /* If a template was supplied, filter out the messages which
678 * don't match. (This could induce some delays!)
681 if (compare != NULL) {
682 for (a = 0; a < num_msgs; ++a) {
683 msg = CtdlFetchMessage(msglist[a], 1);
685 if (CtdlMsgCmp(msg, compare)) {
688 CtdlFreeMessage(msg);
694 /* If a search string was specified, get a message list from
695 * the full text index and remove messages which aren't on both
699 * Since the lists are sorted and strictly ascending, and the
700 * output list is guaranteed to be shorter than or equal to the
701 * input list, we overwrite the bottom of the input list. This
702 * eliminates the need to memmove big chunks of the list over and
705 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
707 /* Call search module via hook mechanism.
708 * NULL means use any search function available.
709 * otherwise replace with a char * to name of search routine
711 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
713 if (num_search_msgs > 0) {
717 orig_num_msgs = num_msgs;
719 for (i=0; i<orig_num_msgs; ++i) {
720 for (j=0; j<num_search_msgs; ++j) {
721 if (msglist[i] == search_msgs[j]) {
722 msglist[num_msgs++] = msglist[i];
728 num_msgs = 0; /* No messages qualify */
730 if (search_msgs != NULL) free(search_msgs);
732 /* Now that we've purged messages which don't contain the search
733 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
740 * Now iterate through the message list, according to the
741 * criteria supplied by the caller.
744 for (a = 0; a < num_msgs; ++a) {
745 thismsg = msglist[a];
746 if (mode == MSGS_ALL) {
750 is_seen = is_msg_in_sequence_set(
751 vbuf.v_seen, thismsg);
752 if (is_seen) lastold = thismsg;
758 || ((mode == MSGS_OLD) && (is_seen))
759 || ((mode == MSGS_NEW) && (!is_seen))
760 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
761 || ((mode == MSGS_FIRST) && (a < ref))
762 || ((mode == MSGS_GT) && (thismsg > ref))
763 || ((mode == MSGS_LT) && (thismsg < ref))
764 || ((mode == MSGS_EQ) && (thismsg == ref))
767 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
769 CallBack(lastold, userdata);
773 if (CallBack) CallBack(thismsg, userdata);
777 if (need_to_free_re) regfree(&re);
780 * We cache the most recent msglist in order to do security checks later
782 if (CC->client_socket > 0) {
783 if (CC->cached_msglist != NULL) {
784 free(CC->cached_msglist);
786 CC->cached_msglist = msglist;
787 CC->cached_num_msgs = num_msgs;
793 return num_processed;
799 * cmd_msgs() - get list of message #'s in this room
800 * implements the MSGS server command using CtdlForEachMessage()
802 void cmd_msgs(char *cmdbuf)
811 int with_template = 0;
812 struct CtdlMessage *template = NULL;
813 char search_string[1024];
814 ForEachMsgCallback CallBack;
816 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
818 extract_token(which, cmdbuf, 0, '|', sizeof which);
819 cm_ref = extract_int(cmdbuf, 1);
820 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
821 with_template = extract_int(cmdbuf, 2);
822 switch (extract_int(cmdbuf, 3))
826 CallBack = simple_listing;
829 CallBack = headers_listing;
832 CallBack = headers_euid;
837 if (!strncasecmp(which, "OLD", 3))
839 else if (!strncasecmp(which, "NEW", 3))
841 else if (!strncasecmp(which, "FIRST", 5))
843 else if (!strncasecmp(which, "LAST", 4))
845 else if (!strncasecmp(which, "GT", 2))
847 else if (!strncasecmp(which, "LT", 2))
849 else if (!strncasecmp(which, "SEARCH", 6))
854 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
855 cprintf("%d Full text index is not enabled on this server.\n",
856 ERROR + CMD_NOT_SUPPORTED);
862 cprintf("%d Send template then receive message list\n",
864 template = (struct CtdlMessage *)
865 malloc(sizeof(struct CtdlMessage));
866 memset(template, 0, sizeof(struct CtdlMessage));
867 template->cm_magic = CTDLMESSAGE_MAGIC;
868 template->cm_anon_type = MES_NORMAL;
870 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
871 extract_token(tfield, buf, 0, '|', sizeof tfield);
872 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
873 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
874 if (!strcasecmp(tfield, msgkeys[i])) {
875 template->cm_fields[i] =
883 cprintf("%d \n", LISTING_FOLLOWS);
886 CtdlForEachMessage(mode,
887 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
888 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
893 if (template != NULL) CtdlFreeMessage(template);
901 * help_subst() - support routine for help file viewer
903 void help_subst(char *strbuf, char *source, char *dest)
908 while (p = pattern2(strbuf, source), (p >= 0)) {
909 strcpy(workbuf, &strbuf[p + strlen(source)]);
910 strcpy(&strbuf[p], dest);
911 strcat(strbuf, workbuf);
916 void do_help_subst(char *buffer)
920 help_subst(buffer, "^nodename", config.c_nodename);
921 help_subst(buffer, "^humannode", config.c_humannode);
922 help_subst(buffer, "^fqdn", config.c_fqdn);
923 help_subst(buffer, "^username", CC->user.fullname);
924 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
925 help_subst(buffer, "^usernum", buf2);
926 help_subst(buffer, "^sysadm", config.c_sysadm);
927 help_subst(buffer, "^variantname", CITADEL);
928 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
929 help_subst(buffer, "^maxsessions", buf2);
930 help_subst(buffer, "^bbsdir", ctdl_message_dir);
936 * memfmout() - Citadel text formatter and paginator.
937 * Although the original purpose of this routine was to format
938 * text to the reader's screen width, all we're really using it
939 * for here is to format text out to 80 columns before sending it
940 * to the client. The client software may reformat it again.
943 char *mptr, /* where are we going to get our text from? */
944 const char *nl /* string to terminate lines with */
947 unsigned char ch = 0;
954 while (ch=*(mptr++), ch != 0) {
957 if (client_write(outbuf, len) == -1)
959 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
963 if (client_write(nl, nllen) == -1)
965 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
970 else if (ch == '\r') {
971 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
973 else if (isspace(ch)) {
974 if (column > 72) { /* Beyond 72 columns, break on the next space */
975 if (client_write(outbuf, len) == -1)
977 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
981 if (client_write(nl, nllen) == -1)
983 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
996 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
997 if (client_write(outbuf, len) == -1)
999 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1003 if (client_write(nl, nllen) == -1)
1005 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1013 if (client_write(outbuf, len) == -1)
1015 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1019 client_write(nl, nllen);
1027 * Callback function for mime parser that simply lists the part
1029 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1030 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1031 char *cbid, void *cbuserdata)
1035 ma = (struct ma_info *)cbuserdata;
1036 if (ma->is_ma == 0) {
1037 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1050 * Callback function for multipart prefix
1052 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1053 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1054 char *cbid, void *cbuserdata)
1058 ma = (struct ma_info *)cbuserdata;
1059 if (!strcasecmp(cbtype, "multipart/alternative")) {
1063 if (ma->is_ma == 0) {
1064 cprintf("pref=%s|%s\n", partnum, cbtype);
1069 * Callback function for multipart sufffix
1071 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1072 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1073 char *cbid, void *cbuserdata)
1077 ma = (struct ma_info *)cbuserdata;
1078 if (ma->is_ma == 0) {
1079 cprintf("suff=%s|%s\n", partnum, cbtype);
1081 if (!strcasecmp(cbtype, "multipart/alternative")) {
1088 * Callback function for mime parser that opens a section for downloading
1090 void mime_download(char *name, char *filename, char *partnum, char *disp,
1091 void *content, char *cbtype, char *cbcharset, size_t length,
1092 char *encoding, char *cbid, void *cbuserdata)
1096 /* Silently go away if there's already a download open. */
1097 if (CC->download_fp != NULL)
1101 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1102 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1104 CC->download_fp = tmpfile();
1105 if (CC->download_fp == NULL)
1108 rv = fwrite(content, length, 1, CC->download_fp);
1109 fflush(CC->download_fp);
1110 rewind(CC->download_fp);
1112 OpenCmdResult(filename, cbtype);
1119 * Callback function for mime parser that outputs a section all at once.
1120 * We can specify the desired section by part number *or* content-id.
1122 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1123 void *content, char *cbtype, char *cbcharset, size_t length,
1124 char *encoding, char *cbid, void *cbuserdata)
1126 int *found_it = (int *)cbuserdata;
1129 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1130 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1133 cprintf("%d %d|-1|%s|%s|%s\n",
1140 client_write(content, length);
1146 * Load a message from disk into memory.
1147 * This is used by CtdlOutputMsg() and other fetch functions.
1149 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1150 * using the CtdlMessageFree() function.
1152 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1154 struct cdbdata *dmsgtext;
1155 struct CtdlMessage *ret = NULL;
1159 cit_uint8_t field_header;
1161 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1162 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1163 if (dmsgtext == NULL) {
1166 mptr = dmsgtext->ptr;
1167 upper_bound = mptr + dmsgtext->len;
1169 /* Parse the three bytes that begin EVERY message on disk.
1170 * The first is always 0xFF, the on-disk magic number.
1171 * The second is the anonymous/public type byte.
1172 * The third is the format type byte (vari, fixed, or MIME).
1176 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1180 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1181 memset(ret, 0, sizeof(struct CtdlMessage));
1183 ret->cm_magic = CTDLMESSAGE_MAGIC;
1184 ret->cm_anon_type = *mptr++; /* Anon type byte */
1185 ret->cm_format_type = *mptr++; /* Format type byte */
1188 * The rest is zero or more arbitrary fields. Load them in.
1189 * We're done when we encounter either a zero-length field or
1190 * have just processed the 'M' (message text) field.
1193 if (mptr >= upper_bound) {
1196 field_header = *mptr++;
1197 ret->cm_fields[field_header] = strdup(mptr);
1199 while (*mptr++ != 0); /* advance to next field */
1201 } while ((mptr < upper_bound) && (field_header != 'M'));
1205 /* Always make sure there's something in the msg text field. If
1206 * it's NULL, the message text is most likely stored separately,
1207 * so go ahead and fetch that. Failing that, just set a dummy
1208 * body so other code doesn't barf.
1210 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1211 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1212 if (dmsgtext != NULL) {
1213 ret->cm_fields['M'] = dmsgtext->ptr;
1214 dmsgtext->ptr = NULL;
1218 if (ret->cm_fields['M'] == NULL) {
1219 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1222 /* Perform "before read" hooks (aborting if any return nonzero) */
1223 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1224 CtdlFreeMessage(ret);
1233 * Returns 1 if the supplied pointer points to a valid Citadel message.
1234 * If the pointer is NULL or the magic number check fails, returns 0.
1236 int is_valid_message(struct CtdlMessage *msg) {
1239 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1240 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1248 * 'Destructor' for struct CtdlMessage
1250 void CtdlFreeMessage(struct CtdlMessage *msg)
1254 if (is_valid_message(msg) == 0)
1256 if (msg != NULL) free (msg);
1260 for (i = 0; i < 256; ++i)
1261 if (msg->cm_fields[i] != NULL) {
1262 free(msg->cm_fields[i]);
1265 msg->cm_magic = 0; /* just in case */
1271 * Pre callback function for multipart/alternative
1273 * NOTE: this differs from the standard behavior for a reason. Normally when
1274 * displaying multipart/alternative you want to show the _last_ usable
1275 * format in the message. Here we show the _first_ one, because it's
1276 * usually text/plain. Since this set of functions is designed for text
1277 * output to non-MIME-aware clients, this is the desired behavior.
1280 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1281 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1282 char *cbid, void *cbuserdata)
1286 ma = (struct ma_info *)cbuserdata;
1287 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1288 if (!strcasecmp(cbtype, "multipart/alternative")) {
1292 if (!strcasecmp(cbtype, "message/rfc822")) {
1298 * Post callback function for multipart/alternative
1300 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1301 void *content, char *cbtype, char *cbcharset, size_t length,
1302 char *encoding, char *cbid, void *cbuserdata)
1306 ma = (struct ma_info *)cbuserdata;
1307 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1308 if (!strcasecmp(cbtype, "multipart/alternative")) {
1312 if (!strcasecmp(cbtype, "message/rfc822")) {
1318 * Inline callback function for mime parser that wants to display text
1320 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1321 void *content, char *cbtype, char *cbcharset, size_t length,
1322 char *encoding, char *cbid, void *cbuserdata)
1329 ma = (struct ma_info *)cbuserdata;
1332 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1333 partnum, filename, cbtype, (long)length);
1336 * If we're in the middle of a multipart/alternative scope and
1337 * we've already printed another section, skip this one.
1339 if ( (ma->is_ma) && (ma->did_print) ) {
1340 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1345 if ( (!strcasecmp(cbtype, "text/plain"))
1346 || (IsEmptyStr(cbtype)) ) {
1349 client_write(wptr, length);
1350 if (wptr[length-1] != '\n') {
1357 if (!strcasecmp(cbtype, "text/html")) {
1358 ptr = html_to_ascii(content, length, 80, 0);
1360 client_write(ptr, wlen);
1361 if (ptr[wlen-1] != '\n') {
1368 if (ma->use_fo_hooks) {
1369 if (PerformFixedOutputHooks(cbtype, content, length)) {
1370 /* above function returns nonzero if it handled the part */
1375 if (strncasecmp(cbtype, "multipart/", 10)) {
1376 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1377 partnum, filename, cbtype, (long)length);
1383 * The client is elegant and sophisticated and wants to be choosy about
1384 * MIME content types, so figure out which multipart/alternative part
1385 * we're going to send.
1387 * We use a system of weights. When we find a part that matches one of the
1388 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1389 * and then set ma->chosen_pref to that MIME type's position in our preference
1390 * list. If we then hit another match, we only replace the first match if
1391 * the preference value is lower.
1393 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1394 void *content, char *cbtype, char *cbcharset, size_t length,
1395 char *encoding, char *cbid, void *cbuserdata)
1401 ma = (struct ma_info *)cbuserdata;
1403 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1404 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1405 // I don't know if there are any side effects! Please TEST TEST TEST
1406 //if (ma->is_ma > 0) {
1408 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1409 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1410 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1411 if (i < ma->chosen_pref) {
1412 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1413 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1414 ma->chosen_pref = i;
1421 * Now that we've chosen our preferred part, output it.
1423 void output_preferred(char *name,
1437 int add_newline = 0;
1440 char *decoded = NULL;
1441 size_t bytes_decoded;
1444 ma = (struct ma_info *)cbuserdata;
1446 /* This is not the MIME part you're looking for... */
1447 if (strcasecmp(partnum, ma->chosen_part)) return;
1449 /* If the content-type of this part is in our preferred formats
1450 * list, we can simply output it verbatim.
1452 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1453 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1454 if (!strcasecmp(buf, cbtype)) {
1455 /* Yeah! Go! W00t!! */
1456 if (ma->dont_decode == 0)
1457 rc = mime_decode_now (content,
1463 break; /* Give us the chance, maybe theres another one. */
1465 if (rc == 0) text_content = (char *)content;
1467 text_content = decoded;
1468 length = bytes_decoded;
1471 if (text_content[length-1] != '\n') {
1474 cprintf("Content-type: %s", cbtype);
1475 if (!IsEmptyStr(cbcharset)) {
1476 cprintf("; charset=%s", cbcharset);
1478 cprintf("\nContent-length: %d\n",
1479 (int)(length + add_newline) );
1480 if (!IsEmptyStr(encoding)) {
1481 cprintf("Content-transfer-encoding: %s\n", encoding);
1484 cprintf("Content-transfer-encoding: 7bit\n");
1486 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1488 if (client_write(text_content, length) == -1)
1490 syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1493 if (add_newline) cprintf("\n");
1494 if (decoded != NULL) free(decoded);
1499 /* No translations required or possible: output as text/plain */
1500 cprintf("Content-type: text/plain\n\n");
1502 if (ma->dont_decode == 0)
1503 rc = mime_decode_now (content,
1509 return; /* Give us the chance, maybe theres another one. */
1511 if (rc == 0) text_content = (char *)content;
1513 text_content = decoded;
1514 length = bytes_decoded;
1517 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1518 length, encoding, cbid, cbuserdata);
1519 if (decoded != NULL) free(decoded);
1524 char desired_section[64];
1531 * Callback function for
1533 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1534 void *content, char *cbtype, char *cbcharset, size_t length,
1535 char *encoding, char *cbid, void *cbuserdata)
1537 struct encapmsg *encap;
1539 encap = (struct encapmsg *)cbuserdata;
1541 /* Only proceed if this is the desired section... */
1542 if (!strcasecmp(encap->desired_section, partnum)) {
1543 encap->msglen = length;
1544 encap->msg = malloc(length + 2);
1545 memcpy(encap->msg, content, length);
1552 * Determine whether the specified message exists in the cached_msglist
1553 * (This is a security check)
1555 int check_cached_msglist(long msgnum) {
1557 /* cases in which we skip the check */
1558 if (!CC) return om_ok; /* not a session */
1559 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1560 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1561 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1564 /* Do a binary search within the cached_msglist for the requested msgnum */
1566 int max = (CC->cached_num_msgs - 1);
1568 while (max >= min) {
1569 int middle = min + (max-min) / 2 ;
1570 if (msgnum == CC->cached_msglist[middle]) {
1573 if (msgnum > CC->cached_msglist[middle]) {
1581 return om_access_denied;
1586 * Determine whether the currently logged in session has permission to read
1587 * messages in the current room.
1589 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1590 if ( (!(CC->logged_in))
1591 && (!(CC->internal_pgm))
1592 && (!config.c_guest_logins)
1594 return(om_not_logged_in);
1601 * Get a message off disk. (returns om_* values found in msgbase.h)
1604 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1605 int mode, /* how would you like that message? */
1606 int headers_only, /* eschew the message body? */
1607 int do_proto, /* do Citadel protocol responses? */
1608 int crlf, /* Use CRLF newlines instead of LF? */
1609 char *section, /* NULL or a message/rfc822 section */
1610 int flags /* various flags; see msgbase.h */
1612 struct CtdlMessage *TheMessage = NULL;
1613 int retcode = om_no_such_msg;
1614 struct encapmsg encap;
1617 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1619 (section ? section : "<>")
1622 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1625 if (r == om_not_logged_in) {
1626 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1629 cprintf("%d An unknown error has occurred.\n", ERROR);
1636 * Check to make sure the message is actually IN this room
1638 r = check_cached_msglist(msg_num);
1639 if (r == om_access_denied) {
1640 /* Not in the cache? We get ONE shot to check it again. */
1641 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1642 r = check_cached_msglist(msg_num);
1645 syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1646 msg_num, CC->room.QRname
1649 if (r == om_access_denied) {
1650 cprintf("%d message %ld was not found in this room\n",
1651 ERROR + HIGHER_ACCESS_REQUIRED,
1660 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1661 * request that we don't even bother loading the body into memory.
1663 if (headers_only == HEADERS_FAST) {
1664 TheMessage = CtdlFetchMessage(msg_num, 0);
1667 TheMessage = CtdlFetchMessage(msg_num, 1);
1670 if (TheMessage == NULL) {
1671 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1672 ERROR + MESSAGE_NOT_FOUND, msg_num);
1673 return(om_no_such_msg);
1676 /* Here is the weird form of this command, to process only an
1677 * encapsulated message/rfc822 section.
1679 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1680 memset(&encap, 0, sizeof encap);
1681 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1682 mime_parser(TheMessage->cm_fields['M'],
1684 *extract_encapsulated_message,
1685 NULL, NULL, (void *)&encap, 0
1687 CtdlFreeMessage(TheMessage);
1691 encap.msg[encap.msglen] = 0;
1692 TheMessage = convert_internet_message(encap.msg);
1693 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1695 /* Now we let it fall through to the bottom of this
1696 * function, because TheMessage now contains the
1697 * encapsulated message instead of the top-level
1698 * message. Isn't that neat?
1703 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1704 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1705 retcode = om_no_such_msg;
1710 /* Ok, output the message now */
1711 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1712 CtdlFreeMessage(TheMessage);
1718 char *qp_encode_email_addrs(char *source)
1720 char *user, *node, *name;
1721 const char headerStr[] = "=?UTF-8?Q?";
1725 int need_to_encode = 0;
1731 long nAddrPtrMax = 50;
1736 if (source == NULL) return source;
1737 if (IsEmptyStr(source)) return source;
1739 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1741 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1742 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1743 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1746 while (!IsEmptyStr (&source[i])) {
1747 if (nColons >= nAddrPtrMax){
1750 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1751 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1752 free (AddrPtr), AddrPtr = ptr;
1754 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1755 memset(&ptr[nAddrPtrMax], 0,
1756 sizeof (long) * nAddrPtrMax);
1758 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1759 free (AddrUtf8), AddrUtf8 = ptr;
1762 if (((unsigned char) source[i] < 32) ||
1763 ((unsigned char) source[i] > 126)) {
1765 AddrUtf8[nColons] = 1;
1767 if (source[i] == '"')
1768 InQuotes = !InQuotes;
1769 if (!InQuotes && source[i] == ',') {
1770 AddrPtr[nColons] = i;
1775 if (need_to_encode == 0) {
1782 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1783 Encoded = (char*) malloc (EncodedMaxLen);
1785 for (i = 0; i < nColons; i++)
1786 source[AddrPtr[i]++] = '\0';
1787 /* TODO: if libidn, this might get larger*/
1788 user = malloc(SourceLen + 1);
1789 node = malloc(SourceLen + 1);
1790 name = malloc(SourceLen + 1);
1794 for (i = 0; i < nColons && nPtr != NULL; i++) {
1795 nmax = EncodedMaxLen - (nPtr - Encoded);
1797 process_rfc822_addr(&source[AddrPtr[i]],
1801 /* TODO: libIDN here ! */
1802 if (IsEmptyStr(name)) {
1803 n = snprintf(nPtr, nmax,
1804 (i==0)?"%s@%s" : ",%s@%s",
1808 EncodedName = rfc2047encode(name, strlen(name));
1809 n = snprintf(nPtr, nmax,
1810 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1811 EncodedName, user, node);
1816 n = snprintf(nPtr, nmax,
1817 (i==0)?"%s" : ",%s",
1818 &source[AddrPtr[i]]);
1824 ptr = (char*) malloc(EncodedMaxLen * 2);
1825 memcpy(ptr, Encoded, EncodedMaxLen);
1826 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1827 free(Encoded), Encoded = ptr;
1829 i--; /* do it once more with properly lengthened buffer */
1832 for (i = 0; i < nColons; i++)
1833 source[--AddrPtr[i]] = ',';
1844 /* If the last item in a list of recipients was truncated to a partial address,
1845 * remove it completely in order to avoid choking libSieve
1847 void sanitize_truncated_recipient(char *str)
1850 if (num_tokens(str, ',') < 2) return;
1852 int len = strlen(str);
1853 if (len < 900) return;
1854 if (len > 998) str[998] = 0;
1856 char *cptr = strrchr(str, ',');
1859 char *lptr = strchr(cptr, '<');
1860 char *rptr = strchr(cptr, '>');
1862 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1868 void OutputCtdlMsgHeaders(
1869 struct CtdlMessage *TheMessage,
1870 int do_proto) /* do Citadel protocol responses? */
1876 char display_name[256];
1878 /* begin header processing loop for Citadel message format */
1879 safestrncpy(display_name, "<unknown>", sizeof display_name);
1880 if (TheMessage->cm_fields['A']) {
1881 strcpy(buf, TheMessage->cm_fields['A']);
1882 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1883 safestrncpy(display_name, "****", sizeof display_name);
1885 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1886 safestrncpy(display_name, "anonymous", sizeof display_name);
1889 safestrncpy(display_name, buf, sizeof display_name);
1891 if ((is_room_aide())
1892 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1893 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1894 size_t tmp = strlen(display_name);
1895 snprintf(&display_name[tmp],
1896 sizeof display_name - tmp,
1901 /* Don't show Internet address for users on the
1902 * local Citadel network.
1905 if (TheMessage->cm_fields['N'] != NULL)
1906 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1907 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1911 /* Now spew the header fields in the order we like them. */
1912 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1913 for (i=0; i<n; ++i) {
1914 k = (int) allkeys[i];
1916 if ( (TheMessage->cm_fields[k] != NULL)
1917 && (msgkeys[k] != NULL) ) {
1918 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1919 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1922 if (do_proto) cprintf("%s=%s\n",
1926 else if ((k == 'F') && (suppress_f)) {
1929 /* Masquerade display name if needed */
1931 if (do_proto) cprintf("%s=%s\n",
1933 TheMessage->cm_fields[k]
1942 void OutputRFC822MsgHeaders(
1943 struct CtdlMessage *TheMessage,
1944 int flags, /* should the bessage be exported clean */
1946 char *mid, long sizeof_mid,
1947 char *suser, long sizeof_suser,
1948 char *luser, long sizeof_luser,
1949 char *fuser, long sizeof_fuser,
1950 char *snode, long sizeof_snode)
1952 char datestamp[100];
1953 int subject_found = 0;
1960 for (i = 0; i < 256; ++i) {
1961 if (TheMessage->cm_fields[i]) {
1962 mptr = mpptr = TheMessage->cm_fields[i];
1965 safestrncpy(luser, mptr, sizeof_luser);
1966 safestrncpy(suser, mptr, sizeof_suser);
1968 else if (i == 'Y') {
1969 if ((flags & QP_EADDR) != 0) {
1970 mptr = qp_encode_email_addrs(mptr);
1972 sanitize_truncated_recipient(mptr);
1973 cprintf("CC: %s%s", mptr, nl);
1975 else if (i == 'P') {
1976 cprintf("Return-Path: %s%s", mptr, nl);
1978 else if (i == 'L') {
1979 cprintf("List-ID: %s%s", mptr, nl);
1981 else if (i == 'V') {
1982 if ((flags & QP_EADDR) != 0)
1983 mptr = qp_encode_email_addrs(mptr);
1985 while ((*hptr != '\0') && isspace(*hptr))
1987 if (!IsEmptyStr(hptr))
1988 cprintf("Envelope-To: %s%s", hptr, nl);
1990 else if (i == 'U') {
1991 cprintf("Subject: %s%s", mptr, nl);
1995 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1997 safestrncpy(fuser, mptr, sizeof_fuser);
1998 /* else if (i == 'O')
1999 cprintf("X-Citadel-Room: %s%s",
2002 safestrncpy(snode, mptr, sizeof_snode);
2005 if (haschar(mptr, '@') == 0)
2007 sanitize_truncated_recipient(mptr);
2008 cprintf("To: %s@%s", mptr, config.c_fqdn);
2013 if ((flags & QP_EADDR) != 0) {
2014 mptr = qp_encode_email_addrs(mptr);
2016 sanitize_truncated_recipient(mptr);
2017 cprintf("To: %s", mptr);
2021 else if (i == 'T') {
2022 datestring(datestamp, sizeof datestamp,
2023 atol(mptr), DATESTRING_RFC822);
2024 cprintf("Date: %s%s", datestamp, nl);
2026 else if (i == 'W') {
2027 cprintf("References: ");
2028 k = num_tokens(mptr, '|');
2029 for (j=0; j<k; ++j) {
2030 extract_token(buf, mptr, j, '|', sizeof buf);
2031 cprintf("<%s>", buf);
2040 else if (i == 'K') {
2042 while ((*hptr != '\0') && isspace(*hptr))
2044 if (!IsEmptyStr(hptr))
2045 cprintf("Reply-To: %s%s", mptr, nl);
2051 if (subject_found == 0) {
2052 cprintf("Subject: (no subject)%s", nl);
2057 void Dump_RFC822HeadersBody(
2058 struct CtdlMessage *TheMessage,
2059 int headers_only, /* eschew the message body? */
2060 int flags, /* should the bessage be exported clean? */
2064 cit_uint8_t prev_ch;
2066 const char *StartOfText = StrBufNOTNULL;
2069 int nllen = strlen(nl);
2073 mptr = TheMessage->cm_fields['M'];
2077 while (*mptr != '\0') {
2078 if (*mptr == '\r') {
2085 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2087 eoh = *(mptr+1) == '\n';
2091 StartOfText = strchr(StartOfText, '\n');
2092 StartOfText = strchr(StartOfText, '\n');
2095 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2096 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2097 ((headers_only != HEADERS_NONE) &&
2098 (headers_only != HEADERS_ONLY))
2100 if (*mptr == '\n') {
2101 memcpy(&outbuf[outlen], nl, nllen);
2103 outbuf[outlen] = '\0';
2106 outbuf[outlen++] = *mptr;
2110 if (flags & ESC_DOT)
2112 if ((prev_ch == '\n') &&
2114 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2116 outbuf[outlen++] = '.';
2121 if (outlen > 1000) {
2122 if (client_write(outbuf, outlen) == -1)
2124 syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2131 rc = client_write(outbuf, outlen);
2138 /* If the format type on disk is 1 (fixed-format), then we want
2139 * everything to be output completely literally ... regardless of
2140 * what message transfer format is in use.
2142 void DumpFormatFixed(
2143 struct CtdlMessage *TheMessage,
2144 int mode, /* how would you like that message? */
2151 int nllen = strlen (nl);
2154 mptr = TheMessage->cm_fields['M'];
2156 if (mode == MT_MIME) {
2157 cprintf("Content-type: text/plain\n\n");
2161 while (ch = *mptr++, ch > 0) {
2165 if ((buflen > 250) && (!xlline)){
2169 while ((buflen > 0) &&
2170 (!isspace(buf[buflen])))
2176 mptr -= tbuflen - buflen;
2181 /* if we reach the outer bounds of our buffer,
2182 abort without respect what whe purge. */
2185 (buflen > SIZ - nllen - 2)))
2189 memcpy (&buf[buflen], nl, nllen);
2193 if (client_write(buf, buflen) == -1)
2195 syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2207 if (!IsEmptyStr(buf))
2208 cprintf("%s%s", buf, nl);
2212 * Get a message off disk. (returns om_* values found in msgbase.h)
2214 int CtdlOutputPreLoadedMsg(
2215 struct CtdlMessage *TheMessage,
2216 int mode, /* how would you like that message? */
2217 int headers_only, /* eschew the message body? */
2218 int do_proto, /* do Citadel protocol responses? */
2219 int crlf, /* Use CRLF newlines instead of LF? */
2220 int flags /* should the bessage be exported clean? */
2224 const char *nl; /* newline string */
2227 /* Buffers needed for RFC822 translation. These are all filled
2228 * using functions that are bounds-checked, and therefore we can
2229 * make them substantially smaller than SIZ.
2237 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2238 ((TheMessage == NULL) ? "NULL" : "not null"),
2239 mode, headers_only, do_proto, crlf);
2241 strcpy(mid, "unknown");
2242 nl = (crlf ? "\r\n" : "\n");
2244 if (!is_valid_message(TheMessage)) {
2246 "ERROR: invalid preloaded message for output\n");
2248 return(om_no_such_msg);
2251 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2252 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2254 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2255 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2258 /* Are we downloading a MIME component? */
2259 if (mode == MT_DOWNLOAD) {
2260 if (TheMessage->cm_format_type != FMT_RFC822) {
2262 cprintf("%d This is not a MIME message.\n",
2263 ERROR + ILLEGAL_VALUE);
2264 } else if (CC->download_fp != NULL) {
2265 if (do_proto) cprintf(
2266 "%d You already have a download open.\n",
2267 ERROR + RESOURCE_BUSY);
2269 /* Parse the message text component */
2270 mptr = TheMessage->cm_fields['M'];
2271 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2272 /* If there's no file open by this time, the requested
2273 * section wasn't found, so print an error
2275 if (CC->download_fp == NULL) {
2276 if (do_proto) cprintf(
2277 "%d Section %s not found.\n",
2278 ERROR + FILE_NOT_FOUND,
2279 CC->download_desired_section);
2282 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2285 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2286 * in a single server operation instead of opening a download file.
2288 if (mode == MT_SPEW_SECTION) {
2289 if (TheMessage->cm_format_type != FMT_RFC822) {
2291 cprintf("%d This is not a MIME message.\n",
2292 ERROR + ILLEGAL_VALUE);
2294 /* Parse the message text component */
2297 mptr = TheMessage->cm_fields['M'];
2298 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2299 /* If section wasn't found, print an error
2302 if (do_proto) cprintf(
2303 "%d Section %s not found.\n",
2304 ERROR + FILE_NOT_FOUND,
2305 CC->download_desired_section);
2308 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2311 /* now for the user-mode message reading loops */
2312 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2314 /* Does the caller want to skip the headers? */
2315 if (headers_only == HEADERS_NONE) goto START_TEXT;
2317 /* Tell the client which format type we're using. */
2318 if ( (mode == MT_CITADEL) && (do_proto) ) {
2319 cprintf("type=%d\n", TheMessage->cm_format_type);
2322 /* nhdr=yes means that we're only displaying headers, no body */
2323 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2324 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2327 cprintf("nhdr=yes\n");
2330 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2331 OutputCtdlMsgHeaders(TheMessage, do_proto);
2334 /* begin header processing loop for RFC822 transfer format */
2338 strcpy(snode, NODENAME);
2339 if (mode == MT_RFC822)
2340 OutputRFC822MsgHeaders(
2345 suser, sizeof(suser),
2346 luser, sizeof(luser),
2347 fuser, sizeof(fuser),
2348 snode, sizeof(snode)
2352 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2353 suser[i] = tolower(suser[i]);
2354 if (!isalnum(suser[i])) suser[i]='_';
2357 if (mode == MT_RFC822) {
2358 if (!strcasecmp(snode, NODENAME)) {
2359 safestrncpy(snode, FQDN, sizeof snode);
2362 /* Construct a fun message id */
2363 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2364 if (strchr(mid, '@')==NULL) {
2365 cprintf("@%s", snode);
2369 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2370 cprintf("From: \"----\" <x@x.org>%s", nl);
2372 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2373 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2375 else if (!IsEmptyStr(fuser)) {
2376 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2379 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2382 /* Blank line signifying RFC822 end-of-headers */
2383 if (TheMessage->cm_format_type != FMT_RFC822) {
2388 /* end header processing loop ... at this point, we're in the text */
2390 if (headers_only == HEADERS_FAST) goto DONE;
2392 /* Tell the client about the MIME parts in this message */
2393 if (TheMessage->cm_format_type == FMT_RFC822) {
2394 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2395 mptr = TheMessage->cm_fields['M'];
2396 memset(&ma, 0, sizeof(struct ma_info));
2397 mime_parser(mptr, NULL,
2398 (do_proto ? *list_this_part : NULL),
2399 (do_proto ? *list_this_pref : NULL),
2400 (do_proto ? *list_this_suff : NULL),
2403 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2404 Dump_RFC822HeadersBody(
2413 if (headers_only == HEADERS_ONLY) {
2417 /* signify start of msg text */
2418 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2419 if (do_proto) cprintf("text\n");
2422 if (TheMessage->cm_format_type == FMT_FIXED)
2425 mode, /* how would you like that message? */
2428 /* If the message on disk is format 0 (Citadel vari-format), we
2429 * output using the formatter at 80 columns. This is the final output
2430 * form if the transfer format is RFC822, but if the transfer format
2431 * is Citadel proprietary, it'll still work, because the indentation
2432 * for new paragraphs is correct and the client will reformat the
2433 * message to the reader's screen width.
2435 if (TheMessage->cm_format_type == FMT_CITADEL) {
2436 mptr = TheMessage->cm_fields['M'];
2438 if (mode == MT_MIME) {
2439 cprintf("Content-type: text/x-citadel-variformat\n\n");
2444 /* If the message on disk is format 4 (MIME), we've gotta hand it
2445 * off to the MIME parser. The client has already been told that
2446 * this message is format 1 (fixed format), so the callback function
2447 * we use will display those parts as-is.
2449 if (TheMessage->cm_format_type == FMT_RFC822) {
2450 memset(&ma, 0, sizeof(struct ma_info));
2452 if (mode == MT_MIME) {
2453 ma.use_fo_hooks = 0;
2454 strcpy(ma.chosen_part, "1");
2455 ma.chosen_pref = 9999;
2456 ma.dont_decode = CC->msg4_dont_decode;
2457 mime_parser(mptr, NULL,
2458 *choose_preferred, *fixed_output_pre,
2459 *fixed_output_post, (void *)&ma, 1);
2460 mime_parser(mptr, NULL,
2461 *output_preferred, NULL, NULL, (void *)&ma, 1);
2464 ma.use_fo_hooks = 1;
2465 mime_parser(mptr, NULL,
2466 *fixed_output, *fixed_output_pre,
2467 *fixed_output_post, (void *)&ma, 0);
2472 DONE: /* now we're done */
2473 if (do_proto) cprintf("000\n");
2479 * display a message (mode 0 - Citadel proprietary)
2481 void cmd_msg0(char *cmdbuf)
2484 int headers_only = HEADERS_ALL;
2486 msgid = extract_long(cmdbuf, 0);
2487 headers_only = extract_int(cmdbuf, 1);
2489 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2495 * display a message (mode 2 - RFC822)
2497 void cmd_msg2(char *cmdbuf)
2500 int headers_only = HEADERS_ALL;
2502 msgid = extract_long(cmdbuf, 0);
2503 headers_only = extract_int(cmdbuf, 1);
2505 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2511 * display a message (mode 3 - IGnet raw format - internal programs only)
2513 void cmd_msg3(char *cmdbuf)
2516 struct CtdlMessage *msg = NULL;
2519 if (CC->internal_pgm == 0) {
2520 cprintf("%d This command is for internal programs only.\n",
2521 ERROR + HIGHER_ACCESS_REQUIRED);
2525 msgnum = extract_long(cmdbuf, 0);
2526 msg = CtdlFetchMessage(msgnum, 1);
2528 cprintf("%d Message %ld not found.\n",
2529 ERROR + MESSAGE_NOT_FOUND, msgnum);
2533 serialize_message(&smr, msg);
2534 CtdlFreeMessage(msg);
2537 cprintf("%d Unable to serialize message\n",
2538 ERROR + INTERNAL_ERROR);
2542 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2543 client_write((char *)smr.ser, (int)smr.len);
2550 * Display a message using MIME content types
2552 void cmd_msg4(char *cmdbuf)
2557 msgid = extract_long(cmdbuf, 0);
2558 extract_token(section, cmdbuf, 1, '|', sizeof section);
2559 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2565 * Client tells us its preferred message format(s)
2567 void cmd_msgp(char *cmdbuf)
2569 if (!strcasecmp(cmdbuf, "dont_decode")) {
2570 CC->msg4_dont_decode = 1;
2571 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2574 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2575 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2581 * Open a component of a MIME message as a download file
2583 void cmd_opna(char *cmdbuf)
2586 char desired_section[128];
2588 msgid = extract_long(cmdbuf, 0);
2589 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2590 safestrncpy(CC->download_desired_section, desired_section,
2591 sizeof CC->download_desired_section);
2592 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2597 * Open a component of a MIME message and transmit it all at once
2599 void cmd_dlat(char *cmdbuf)
2602 char desired_section[128];
2604 msgid = extract_long(cmdbuf, 0);
2605 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2606 safestrncpy(CC->download_desired_section, desired_section,
2607 sizeof CC->download_desired_section);
2608 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2613 * Save one or more message pointers into a specified room
2614 * (Returns 0 for success, nonzero for failure)
2615 * roomname may be NULL to use the current room
2617 * Note that the 'supplied_msg' field may be set to NULL, in which case
2618 * the message will be fetched from disk, by number, if we need to perform
2619 * replication checks. This adds an additional database read, so if the
2620 * caller already has the message in memory then it should be supplied. (Obviously
2621 * this mode of operation only works if we're saving a single message.)
2623 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2624 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2627 char hold_rm[ROOMNAMELEN];
2628 struct cdbdata *cdbfr;
2631 long highest_msg = 0L;
2634 struct CtdlMessage *msg = NULL;
2636 long *msgs_to_be_merged = NULL;
2637 int num_msgs_to_be_merged = 0;
2640 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2641 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2644 strcpy(hold_rm, CC->room.QRname);
2647 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2648 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2649 if (num_newmsgs > 1) supplied_msg = NULL;
2651 /* Now the regular stuff */
2652 if (CtdlGetRoomLock(&CC->room,
2653 ((roomname != NULL) ? roomname : CC->room.QRname) )
2655 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2656 return(ERROR + ROOM_NOT_FOUND);
2660 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2661 num_msgs_to_be_merged = 0;
2664 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2665 if (cdbfr == NULL) {
2669 msglist = (long *) cdbfr->ptr;
2670 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2671 num_msgs = cdbfr->len / sizeof(long);
2676 /* Create a list of msgid's which were supplied by the caller, but do
2677 * not already exist in the target room. It is absolutely taboo to
2678 * have more than one reference to the same message in a room.
2680 for (i=0; i<num_newmsgs; ++i) {
2682 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2683 if (msglist[j] == newmsgidlist[i]) {
2688 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2692 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2695 * Now merge the new messages
2697 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2698 if (msglist == NULL) {
2699 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2701 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2702 num_msgs += num_msgs_to_be_merged;
2704 /* Sort the message list, so all the msgid's are in order */
2705 num_msgs = sort_msglist(msglist, num_msgs);
2707 /* Determine the highest message number */
2708 highest_msg = msglist[num_msgs - 1];
2710 /* Write it back to disk. */
2711 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2712 msglist, (int)(num_msgs * sizeof(long)));
2714 /* Free up the memory we used. */
2717 /* Update the highest-message pointer and unlock the room. */
2718 CC->room.QRhighest = highest_msg;
2719 CtdlPutRoomLock(&CC->room);
2721 /* Perform replication checks if necessary */
2722 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2723 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2725 for (i=0; i<num_msgs_to_be_merged; ++i) {
2726 msgid = msgs_to_be_merged[i];
2728 if (supplied_msg != NULL) {
2732 msg = CtdlFetchMessage(msgid, 0);
2736 ReplicationChecks(msg);
2738 /* If the message has an Exclusive ID, index that... */
2739 if (msg->cm_fields['E'] != NULL) {
2740 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2743 /* Free up the memory we may have allocated */
2744 if (msg != supplied_msg) {
2745 CtdlFreeMessage(msg);
2753 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2756 /* Submit this room for processing by hooks */
2757 PerformRoomHooks(&CC->room);
2759 /* Go back to the room we were in before we wandered here... */
2760 CtdlGetRoom(&CC->room, hold_rm);
2762 /* Bump the reference count for all messages which were merged */
2763 if (!suppress_refcount_adj) {
2764 for (i=0; i<num_msgs_to_be_merged; ++i) {
2765 AdjRefCount(msgs_to_be_merged[i], +1);
2769 /* Free up memory... */
2770 if (msgs_to_be_merged != NULL) {
2771 free(msgs_to_be_merged);
2774 /* Return success. */
2780 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2783 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2784 int do_repl_check, struct CtdlMessage *supplied_msg)
2786 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2793 * Message base operation to save a new message to the message store
2794 * (returns new message number)
2796 * This is the back end for CtdlSubmitMsg() and should not be directly
2797 * called by server-side modules.
2800 long send_message(struct CtdlMessage *msg) {
2808 /* Get a new message number */
2809 newmsgid = get_new_message_number();
2810 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2811 (long unsigned int) time(NULL),
2812 (long unsigned int) newmsgid,
2816 /* Generate an ID if we don't have one already */
2817 if (msg->cm_fields['I']==NULL) {
2818 msg->cm_fields['I'] = strdup(msgidbuf);
2821 /* If the message is big, set its body aside for storage elsewhere */
2822 if (msg->cm_fields['M'] != NULL) {
2823 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2825 holdM = msg->cm_fields['M'];
2826 msg->cm_fields['M'] = NULL;
2830 /* Serialize our data structure for storage in the database */
2831 serialize_message(&smr, msg);
2834 msg->cm_fields['M'] = holdM;
2838 cprintf("%d Unable to serialize message\n",
2839 ERROR + INTERNAL_ERROR);
2843 /* Write our little bundle of joy into the message base */
2844 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2845 smr.ser, smr.len) < 0) {
2846 syslog(LOG_ERR, "Can't store message\n");
2850 cdb_store(CDB_BIGMSGS,
2860 /* Free the memory we used for the serialized message */
2863 /* Return the *local* message ID to the caller
2864 * (even if we're storing an incoming network message)
2872 * Serialize a struct CtdlMessage into the format used on disk and network.
2874 * This function loads up a "struct ser_ret" (defined in server.h) which
2875 * contains the length of the serialized message and a pointer to the
2876 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2878 void serialize_message(struct ser_ret *ret, /* return values */
2879 struct CtdlMessage *msg) /* unserialized msg */
2881 size_t wlen, fieldlen;
2883 static char *forder = FORDER;
2886 * Check for valid message format
2888 if (is_valid_message(msg) == 0) {
2889 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2896 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2897 ret->len = ret->len +
2898 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2900 ret->ser = malloc(ret->len);
2901 if (ret->ser == NULL) {
2902 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2903 (long)ret->len, strerror(errno));
2910 ret->ser[1] = msg->cm_anon_type;
2911 ret->ser[2] = msg->cm_format_type;
2914 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2915 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2916 ret->ser[wlen++] = (char)forder[i];
2917 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2918 wlen = wlen + fieldlen + 1;
2920 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2921 (long)ret->len, (long)wlen);
2928 * Serialize a struct CtdlMessage into the format used on disk and network.
2930 * This function loads up a "struct ser_ret" (defined in server.h) which
2931 * contains the length of the serialized message and a pointer to the
2932 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2934 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2935 long Siz) /* how many chars ? */
2939 static char *forder = FORDER;
2943 * Check for valid message format
2945 if (is_valid_message(msg) == 0) {
2946 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2950 buf = (char*) malloc (Siz + 1);
2954 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2955 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2956 msg->cm_fields[(int)forder[i]]);
2957 if (client_write (buf, strlen(buf)) == -1)
2959 syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
2970 * Check to see if any messages already exist in the current room which
2971 * carry the same Exclusive ID as this one. If any are found, delete them.
2973 void ReplicationChecks(struct CtdlMessage *msg) {
2974 long old_msgnum = (-1L);
2976 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2978 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2981 /* No exclusive id? Don't do anything. */
2982 if (msg == NULL) return;
2983 if (msg->cm_fields['E'] == NULL) return;
2984 if (IsEmptyStr(msg->cm_fields['E'])) return;
2985 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2986 msg->cm_fields['E'], CC->room.QRname);*/
2988 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2989 if (old_msgnum > 0L) {
2990 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2991 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2998 * Save a message to disk and submit it into the delivery system.
3000 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3001 struct recptypes *recps, /* recipients (if mail) */
3002 const char *force, /* force a particular room? */
3003 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] = "";
3033 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3034 if (is_valid_message(msg) == 0) return(-1); /* self check */
3036 /* If this message has no timestamp, we take the liberty of
3037 * giving it one, right now.
3039 if (msg->cm_fields['T'] == NULL) {
3040 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3041 msg->cm_fields['T'] = strdup(generated_timestamp);
3044 /* If this message has no path, we generate one.
3046 if (msg->cm_fields['P'] == NULL) {
3047 if (msg->cm_fields['A'] != NULL) {
3048 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3049 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3050 if (isspace(msg->cm_fields['P'][a])) {
3051 msg->cm_fields['P'][a] = ' ';
3056 msg->cm_fields['P'] = strdup("unknown");
3060 if (force == NULL) {
3061 strcpy(force_room, "");
3064 strcpy(force_room, force);
3067 /* Learn about what's inside, because it's what's inside that counts */
3068 if (msg->cm_fields['M'] == NULL) {
3069 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3073 switch (msg->cm_format_type) {
3075 strcpy(content_type, "text/x-citadel-variformat");
3078 strcpy(content_type, "text/plain");
3081 strcpy(content_type, "text/plain");
3082 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3085 safestrncpy(content_type, &mptr[13], sizeof content_type);
3086 striplt(content_type);
3087 aptr = content_type;
3088 while (!IsEmptyStr(aptr)) {
3100 /* Goto the correct room */
3101 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3102 strcpy(hold_rm, CCC->room.QRname);
3103 strcpy(actual_rm, CCC->room.QRname);
3104 if (recps != NULL) {
3105 strcpy(actual_rm, SENTITEMS);
3108 /* If the user is a twit, move to the twit room for posting */
3110 if (CCC->user.axlevel == AxProbU) {
3111 strcpy(hold_rm, actual_rm);
3112 strcpy(actual_rm, config.c_twitroom);
3113 syslog(LOG_DEBUG, "Diverting to twit room\n");
3117 /* ...or if this message is destined for Aide> then go there. */
3118 if (!IsEmptyStr(force_room)) {
3119 strcpy(actual_rm, force_room);
3122 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3123 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3124 /* CtdlGetRoom(&CCC->room, actual_rm); */
3125 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3129 * If this message has no O (room) field, generate one.
3131 if (msg->cm_fields['O'] == NULL) {
3132 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3135 /* Perform "before save" hooks (aborting if any return nonzero) */
3136 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3137 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3140 * If this message has an Exclusive ID, and the room is replication
3141 * checking enabled, then do replication checks.
3143 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3144 ReplicationChecks(msg);
3147 /* Save it to disk */
3148 syslog(LOG_DEBUG, "Saving to disk\n");
3149 newmsgid = send_message(msg);
3150 if (newmsgid <= 0L) return(-5);
3152 /* Write a supplemental message info record. This doesn't have to
3153 * be a critical section because nobody else knows about this message
3156 syslog(LOG_DEBUG, "Creating MetaData record\n");
3157 memset(&smi, 0, sizeof(struct MetaData));
3158 smi.meta_msgnum = newmsgid;
3159 smi.meta_refcount = 0;
3160 safestrncpy(smi.meta_content_type, content_type,
3161 sizeof smi.meta_content_type);
3164 * Measure how big this message will be when rendered as RFC822.
3165 * We do this for two reasons:
3166 * 1. We need the RFC822 length for the new metadata record, so the
3167 * POP and IMAP services don't have to calculate message lengths
3168 * while the user is waiting (multiplied by potentially hundreds
3169 * or thousands of messages).
3170 * 2. If journaling is enabled, we will need an RFC822 version of the
3171 * message to attach to the journalized copy.
3173 if (CCC->redirect_buffer != NULL) {
3174 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3177 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3178 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3179 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3180 saved_rfc822_version = CCC->redirect_buffer;
3181 CCC->redirect_buffer = NULL;
3185 /* Now figure out where to store the pointers */
3186 syslog(LOG_DEBUG, "Storing pointers\n");
3188 /* If this is being done by the networker delivering a private
3189 * message, we want to BYPASS saving the sender's copy (because there
3190 * is no local sender; it would otherwise go to the Trashcan).
3192 if ((!CCC->internal_pgm) || (recps == NULL)) {
3193 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3194 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3195 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3199 /* For internet mail, drop a copy in the outbound queue room */
3200 if ((recps != NULL) && (recps->num_internet > 0)) {
3201 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3204 /* If other rooms are specified, drop them there too. */
3205 if ((recps != NULL) && (recps->num_room > 0))
3206 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3207 extract_token(recipient, recps->recp_room, i,
3208 '|', sizeof recipient);
3209 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3210 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3213 /* Bump this user's messages posted counter. */
3214 syslog(LOG_DEBUG, "Updating user\n");
3215 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3216 CCC->user.posted = CCC->user.posted + 1;
3217 CtdlPutUserLock(&CCC->user);
3219 /* Decide where bounces need to be delivered */
3220 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3221 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3223 else if (CCC->logged_in) {
3224 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3227 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3230 /* If this is private, local mail, make a copy in the
3231 * recipient's mailbox and bump the reference count.
3233 if ((recps != NULL) && (recps->num_local > 0))
3234 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3235 extract_token(recipient, recps->recp_local, i,
3236 '|', sizeof recipient);
3237 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3239 if (CtdlGetUser(&userbuf, recipient) == 0) {
3240 // Add a flag so the Funambol module knows its mail
3241 msg->cm_fields['W'] = strdup(recipient);
3242 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3243 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3244 CtdlBumpNewMailCounter(userbuf.usernum);
3245 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3246 /* Generate a instruction message for the Funambol notification
3247 * server, in the same style as the SMTP queue
3250 instr = malloc(instr_alloc);
3251 snprintf(instr, instr_alloc,
3252 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3254 SPOOLMIME, newmsgid, (long)time(NULL),
3258 imsg = malloc(sizeof(struct CtdlMessage));
3259 memset(imsg, 0, sizeof(struct CtdlMessage));
3260 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3261 imsg->cm_anon_type = MES_NORMAL;
3262 imsg->cm_format_type = FMT_RFC822;
3263 imsg->cm_fields['A'] = strdup("Citadel");
3264 imsg->cm_fields['J'] = strdup("do not journal");
3265 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3266 imsg->cm_fields['W'] = strdup(recipient);
3267 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3268 CtdlFreeMessage(imsg);
3272 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3273 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3278 /* Perform "after save" hooks */
3279 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3280 PerformMessageHooks(msg, EVT_AFTERSAVE);
3282 /* For IGnet mail, we have to save a new copy into the spooler for
3283 * each recipient, with the R and D fields set to the recipient and
3284 * destination-node. This has two ugly side effects: all other
3285 * recipients end up being unlisted in this recipient's copy of the
3286 * message, and it has to deliver multiple messages to the same
3287 * node. We'll revisit this again in a year or so when everyone has
3288 * a network spool receiver that can handle the new style messages.
3290 if ((recps != NULL) && (recps->num_ignet > 0))
3291 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3292 extract_token(recipient, recps->recp_ignet, i,
3293 '|', sizeof recipient);
3295 hold_R = msg->cm_fields['R'];
3296 hold_D = msg->cm_fields['D'];
3297 msg->cm_fields['R'] = malloc(SIZ);
3298 msg->cm_fields['D'] = malloc(128);
3299 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3300 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3302 serialize_message(&smr, msg);
3304 snprintf(submit_filename, sizeof submit_filename,
3305 "%s/netmail.%04lx.%04x.%04x",
3307 (long) getpid(), CCC->cs_pid, ++seqnum);
3308 network_fp = fopen(submit_filename, "wb+");
3309 if (network_fp != NULL) {
3310 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3316 free(msg->cm_fields['R']);
3317 free(msg->cm_fields['D']);
3318 msg->cm_fields['R'] = hold_R;
3319 msg->cm_fields['D'] = hold_D;
3322 /* Go back to the room we started from */
3323 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3324 if (strcasecmp(hold_rm, CCC->room.QRname))
3325 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3327 /* For internet mail, generate delivery instructions.
3328 * Yes, this is recursive. Deal with it. Infinite recursion does
3329 * not happen because the delivery instructions message does not
3330 * contain a recipient.
3332 if ((recps != NULL) && (recps->num_internet > 0)) {
3333 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3335 instr = malloc(instr_alloc);
3336 snprintf(instr, instr_alloc,
3337 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3339 SPOOLMIME, newmsgid, (long)time(NULL),
3343 if (recps->envelope_from != NULL) {
3344 tmp = strlen(instr);
3345 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3348 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3349 tmp = strlen(instr);
3350 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3351 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3352 instr_alloc = instr_alloc * 2;
3353 instr = realloc(instr, instr_alloc);
3355 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3358 imsg = malloc(sizeof(struct CtdlMessage));
3359 memset(imsg, 0, sizeof(struct CtdlMessage));
3360 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3361 imsg->cm_anon_type = MES_NORMAL;
3362 imsg->cm_format_type = FMT_RFC822;
3363 imsg->cm_fields['A'] = strdup("Citadel");
3364 imsg->cm_fields['J'] = strdup("do not journal");
3365 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3366 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3367 CtdlFreeMessage(imsg);
3371 * Any addresses to harvest for someone's address book?
3373 if ( (CCC->logged_in) && (recps != NULL) ) {
3374 collected_addresses = harvest_collected_addresses(msg);
3377 if (collected_addresses != NULL) {
3378 aptr = (struct addresses_to_be_filed *)
3379 malloc(sizeof(struct addresses_to_be_filed));
3380 CtdlMailboxName(actual_rm, sizeof actual_rm,
3381 &CCC->user, USERCONTACTSROOM);
3382 aptr->roomname = strdup(actual_rm);
3383 aptr->collected_addresses = collected_addresses;
3384 begin_critical_section(S_ATBF);
3387 end_critical_section(S_ATBF);
3391 * Determine whether this message qualifies for journaling.
3393 if (msg->cm_fields['J'] != NULL) {
3394 qualified_for_journaling = 0;
3397 if (recps == NULL) {
3398 qualified_for_journaling = config.c_journal_pubmsgs;
3400 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3401 qualified_for_journaling = config.c_journal_email;
3404 qualified_for_journaling = config.c_journal_pubmsgs;
3409 * Do we have to perform journaling? If so, hand off the saved
3410 * RFC822 version will be handed off to the journaler for background
3411 * submit. Otherwise, we have to free the memory ourselves.
3413 if (saved_rfc822_version != NULL) {
3414 if (qualified_for_journaling) {
3415 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3418 FreeStrBuf(&saved_rfc822_version);
3428 void aide_message (char *text, char *subject)
3430 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3435 * Convenience function for generating small administrative messages.
3437 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3438 int format_type, const char *subject)
3440 struct CtdlMessage *msg;
3441 struct recptypes *recp = NULL;
3443 msg = malloc(sizeof(struct CtdlMessage));
3444 memset(msg, 0, sizeof(struct CtdlMessage));
3445 msg->cm_magic = CTDLMESSAGE_MAGIC;
3446 msg->cm_anon_type = MES_NORMAL;
3447 msg->cm_format_type = format_type;
3450 msg->cm_fields['A'] = strdup(from);
3452 else if (fromaddr != NULL) {
3453 msg->cm_fields['A'] = strdup(fromaddr);
3454 if (strchr(msg->cm_fields['A'], '@')) {
3455 *strchr(msg->cm_fields['A'], '@') = 0;
3459 msg->cm_fields['A'] = strdup("Citadel");
3462 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3463 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3464 msg->cm_fields['N'] = strdup(NODENAME);
3466 msg->cm_fields['R'] = strdup(to);
3467 recp = validate_recipients(to, NULL, 0);
3469 if (subject != NULL) {
3470 msg->cm_fields['U'] = strdup(subject);
3472 msg->cm_fields['M'] = strdup(text);
3474 CtdlSubmitMsg(msg, recp, room, 0);
3475 CtdlFreeMessage(msg);
3476 if (recp != NULL) free_recipients(recp);
3482 * Back end function used by CtdlMakeMessage() and similar functions
3484 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3486 size_t maxlen, /* maximum message length */
3487 char *exist, /* if non-null, append to it;
3488 exist is ALWAYS freed */
3489 int crlf, /* CRLF newlines instead of LF */
3490 int *sock /* socket handle or 0 for this session's client socket */
3499 LineBuf = NewStrBufPlain(NULL, SIZ);
3500 if (exist == NULL) {
3501 Message = NewStrBufPlain(NULL, 4 * SIZ);
3504 Message = NewStrBufPlain(exist, -1);
3508 /* Do we need to change leading ".." to "." for SMTP escaping? */
3509 if ((tlen == 1) && (*terminator == '.')) {
3513 /* read in the lines of message text one by one */
3516 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3521 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3523 if ((StrLength(LineBuf) == tlen) &&
3524 (!strcmp(ChrPtr(LineBuf), terminator)))
3527 if ( (!flushing) && (!finished) ) {
3529 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3532 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3535 /* Unescape SMTP-style input of two dots at the beginning of the line */
3537 (StrLength(LineBuf) == 2) &&
3538 (!strcmp(ChrPtr(LineBuf), "..")))
3540 StrBufCutLeft(LineBuf, 1);
3543 StrBufAppendBuf(Message, LineBuf, 0);
3546 /* if we've hit the max msg length, flush the rest */
3547 if (StrLength(Message) >= maxlen) flushing = 1;
3549 } while (!finished);
3550 FreeStrBuf(&LineBuf);
3554 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3558 FreeStrBuf(&(*Msg)->MsgBuf);
3564 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3566 size_t maxlen, /* maximum message length */
3567 size_t expectlen, /* if we expect a message, how long should it be? */
3568 char *exist, /* if non-null, append to it;
3569 exist is ALWAYS freed */
3570 long eLen, /* length of exist */
3571 int crlf /* CRLF newlines instead of LF */
3574 ReadAsyncMsg *NewMsg;
3576 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3577 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3579 if (exist == NULL) {
3582 if (expectlen == 0) {
3586 len = expectlen + 10;
3588 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3591 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3594 /* Do we need to change leading ".." to "." for SMTP escaping? */
3595 if ((tlen == 1) && (*terminator == '.')) {
3599 NewMsg->terminator = terminator;
3600 NewMsg->tlen = tlen;
3602 NewMsg->maxlen = maxlen;
3604 NewMsg->crlf = crlf;
3610 * Back end function used by CtdlMakeMessage() and similar functions
3612 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3614 ReadAsyncMsg *ReadMsg;
3615 int MsgFinished = 0;
3616 eReadState Finished = eMustReadMore;
3621 const char *pch = ChrPtr(IO->SendBuf.Buf);
3622 const char *pchh = IO->SendBuf.ReadWritePointer;
3628 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3629 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3630 ((CitContext*)(IO->CitContext))->ServiceName,
3633 fd = fopen(fn, "a+");
3636 ReadMsg = IO->ReadMsg;
3638 /* read in the lines of message text one by one */
3640 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3643 case eMustReadMore: /// read new from socket...
3645 if (IO->RecvBuf.ReadWritePointer != NULL) {
3646 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3647 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3649 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3653 fprintf(fd, "BufferEmpty! \n");
3659 case eBufferNotEmpty: /* shouldn't happen... */
3660 case eReadSuccess: /// done for now...
3662 case eReadFail: /// WHUT?
3668 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3669 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3672 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3675 else if (!ReadMsg->flushing) {
3678 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3681 /* Unescape SMTP-style input of two dots at the beginning of the line */
3682 if ((ReadMsg->dodot) &&
3683 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3684 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3687 fprintf(fd, "UnEscaped!\n");
3689 StrBufCutLeft(IO->IOBuf, 1);
3692 if (ReadMsg->crlf) {
3693 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3696 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3699 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3702 /* if we've hit the max msg length, flush the rest */
3703 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3705 } while (!MsgFinished);
3708 fprintf(fd, "Done with reading; %s.\n, ",
3709 (MsgFinished)?"Message Finished": "FAILED");
3713 return eReadSuccess;
3720 * Back end function used by CtdlMakeMessage() and similar functions
3722 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3724 size_t maxlen, /* maximum message length */
3725 char *exist, /* if non-null, append to it;
3726 exist is ALWAYS freed */
3727 int crlf, /* CRLF newlines instead of LF */
3728 int *sock /* socket handle or 0 for this session's client socket */
3733 Message = CtdlReadMessageBodyBuf(terminator,
3739 if (Message == NULL)
3742 return SmashStrBuf(&Message);
3747 * Build a binary message to be saved on disk.
3748 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3749 * will become part of the message. This means you are no longer
3750 * responsible for managing that memory -- it will be freed along with
3751 * the rest of the fields when CtdlFreeMessage() is called.)
3754 struct CtdlMessage *CtdlMakeMessage(
3755 struct ctdluser *author, /* author's user structure */
3756 char *recipient, /* NULL if it's not mail */
3757 char *recp_cc, /* NULL if it's not mail */
3758 char *room, /* room where it's going */
3759 int type, /* see MES_ types in header file */
3760 int format_type, /* variformat, plain text, MIME... */
3761 char *fake_name, /* who we're masquerading as */
3762 char *my_email, /* which of my email addresses to use (empty is ok) */
3763 char *subject, /* Subject (optional) */
3764 char *supplied_euid, /* ...or NULL if this is irrelevant */
3765 char *preformatted_text, /* ...or NULL to read text from client */
3766 char *references /* Thread references */
3768 char dest_node[256];
3770 struct CtdlMessage *msg;
3772 StrBuf *FakeEncAuthor = NULL;
3774 msg = malloc(sizeof(struct CtdlMessage));
3775 memset(msg, 0, sizeof(struct CtdlMessage));
3776 msg->cm_magic = CTDLMESSAGE_MAGIC;
3777 msg->cm_anon_type = type;
3778 msg->cm_format_type = format_type;
3780 /* Don't confuse the poor folks if it's not routed mail. */
3781 strcpy(dest_node, "");
3783 if (recipient != NULL) striplt(recipient);
3784 if (recp_cc != NULL) striplt(recp_cc);
3786 /* Path or Return-Path */
3787 if (my_email == NULL) my_email = "";
3789 if (!IsEmptyStr(my_email)) {
3790 msg->cm_fields['P'] = strdup(my_email);
3793 snprintf(buf, sizeof buf, "%s", author->fullname);
3794 msg->cm_fields['P'] = strdup(buf);
3796 convert_spaces_to_underscores(msg->cm_fields['P']);
3798 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3799 msg->cm_fields['T'] = strdup(buf);
3801 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3802 FakeAuthor = NewStrBufPlain (fake_name, -1);
3805 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3807 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3808 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3809 FreeStrBuf(&FakeAuthor);
3811 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3812 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3815 msg->cm_fields['O'] = strdup(CC->room.QRname);
3818 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3819 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3821 if ((recipient != NULL) && (recipient[0] != 0)) {
3822 msg->cm_fields['R'] = strdup(recipient);
3824 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3825 msg->cm_fields['Y'] = strdup(recp_cc);
3827 if (dest_node[0] != 0) {
3828 msg->cm_fields['D'] = strdup(dest_node);
3831 if (!IsEmptyStr(my_email)) {
3832 msg->cm_fields['F'] = strdup(my_email);
3834 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3835 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3838 if (subject != NULL) {
3841 length = strlen(subject);
3847 while ((subject[i] != '\0') &&
3848 (IsAscii = isascii(subject[i]) != 0 ))
3851 msg->cm_fields['U'] = strdup(subject);
3852 else /* ok, we've got utf8 in the string. */
3854 msg->cm_fields['U'] = rfc2047encode(subject, length);
3860 if (supplied_euid != NULL) {
3861 msg->cm_fields['E'] = strdup(supplied_euid);
3864 if (references != NULL) {
3865 if (!IsEmptyStr(references)) {
3866 msg->cm_fields['W'] = strdup(references);
3870 if (preformatted_text != NULL) {
3871 msg->cm_fields['M'] = preformatted_text;
3874 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3882 * Check to see whether we have permission to post a message in the current
3883 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3884 * returns 0 on success.
3886 int CtdlDoIHavePermissionToPostInThisRoom(
3889 const char* RemoteIdentifier,
3895 if (!(CC->logged_in) &&
3896 (PostPublic == POST_LOGGED_IN)) {
3897 snprintf(errmsgbuf, n, "Not logged in.");
3898 return (ERROR + NOT_LOGGED_IN);
3900 else if (PostPublic == CHECK_EXISTANCE) {
3901 return (0); // We're Evaling whether a recipient exists
3903 else if (!(CC->logged_in)) {
3905 if ((CC->room.QRflags & QR_READONLY)) {
3906 snprintf(errmsgbuf, n, "Not logged in.");
3907 return (ERROR + NOT_LOGGED_IN);
3909 if (CC->room.QRflags2 & QR2_MODERATED) {
3910 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3911 return (ERROR + NOT_LOGGED_IN);
3913 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3918 if (RemoteIdentifier == NULL)
3920 snprintf(errmsgbuf, n, "Need sender to permit access.");
3921 return (ERROR + USERNAME_REQUIRED);
3924 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3925 begin_critical_section(S_NETCONFIGS);
3926 if (!read_spoolcontrol_file(&sc, filename))
3928 end_critical_section(S_NETCONFIGS);
3929 snprintf(errmsgbuf, n,
3930 "This mailing list only accepts posts from subscribers.");
3931 return (ERROR + NO_SUCH_USER);
3933 end_critical_section(S_NETCONFIGS);
3934 found = is_recipient (sc, RemoteIdentifier);
3935 free_spoolcontrol_struct(&sc);
3940 snprintf(errmsgbuf, n,
3941 "This mailing list only accepts posts from subscribers.");
3942 return (ERROR + NO_SUCH_USER);
3949 if ((CC->user.axlevel < AxProbU)
3950 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3951 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3952 return (ERROR + HIGHER_ACCESS_REQUIRED);
3955 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3957 if (ra & UA_POSTALLOWED) {
3958 strcpy(errmsgbuf, "OK to post or reply here");
3962 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
3964 * To be thorough, we ought to check to see if the message they are
3965 * replying to is actually a valid one in this room, but unless this
3966 * actually becomes a problem we'll go with high performance instead.
3968 strcpy(errmsgbuf, "OK to reply here");
3972 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3973 /* Clarify what happened with a better error message */
3974 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3975 return (ERROR + HIGHER_ACCESS_REQUIRED);
3978 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3979 return (ERROR + HIGHER_ACCESS_REQUIRED);
3985 * Check to see if the specified user has Internet mail permission
3986 * (returns nonzero if permission is granted)
3988 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3990 /* Do not allow twits to send Internet mail */
3991 if (who->axlevel <= AxProbU) return(0);
3993 /* Globally enabled? */
3994 if (config.c_restrict == 0) return(1);
3996 /* User flagged ok? */
3997 if (who->flags & US_INTERNET) return(2);
3999 /* Aide level access? */
4000 if (who->axlevel >= AxAideU) return(3);
4002 /* No mail for you! */
4008 * Validate recipients, count delivery types and errors, and handle aliasing
4009 * FIXME check for dupes!!!!!
4011 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4012 * were specified, or the number of addresses found invalid.
4014 * Caller needs to free the result using free_recipients()
4016 struct recptypes *validate_recipients(const char *supplied_recipients,
4017 const char *RemoteIdentifier,
4019 struct recptypes *ret;
4020 char *recipients = NULL;
4021 char this_recp[256];
4022 char this_recp_cooked[256];
4028 struct ctdluser tempUS;
4029 struct ctdlroom tempQR;
4030 struct ctdlroom tempQR2;
4036 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4037 if (ret == NULL) return(NULL);
4039 /* Set all strings to null and numeric values to zero */
4040 memset(ret, 0, sizeof(struct recptypes));
4042 if (supplied_recipients == NULL) {
4043 recipients = strdup("");
4046 recipients = strdup(supplied_recipients);
4049 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4050 * actually need, but it's healthier for the heap than doing lots of tiny
4051 * realloc() calls instead.
4054 ret->errormsg = malloc(strlen(recipients) + 1024);
4055 ret->recp_local = malloc(strlen(recipients) + 1024);
4056 ret->recp_internet = malloc(strlen(recipients) + 1024);
4057 ret->recp_ignet = malloc(strlen(recipients) + 1024);
4058 ret->recp_room = malloc(strlen(recipients) + 1024);
4059 ret->display_recp = malloc(strlen(recipients) + 1024);
4061 ret->errormsg[0] = 0;
4062 ret->recp_local[0] = 0;
4063 ret->recp_internet[0] = 0;
4064 ret->recp_ignet[0] = 0;
4065 ret->recp_room[0] = 0;
4066 ret->display_recp[0] = 0;
4068 ret->recptypes_magic = RECPTYPES_MAGIC;
4070 /* Change all valid separator characters to commas */
4071 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4072 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4073 recipients[i] = ',';
4077 /* Now start extracting recipients... */
4079 while (!IsEmptyStr(recipients)) {
4081 for (i=0; i<=strlen(recipients); ++i) {
4082 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4083 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4084 safestrncpy(this_recp, recipients, i+1);
4086 if (recipients[i] == ',') {
4087 strcpy(recipients, &recipients[i+1]);
4090 strcpy(recipients, "");
4097 if (IsEmptyStr(this_recp))
4099 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4101 mailtype = alias(this_recp);
4102 mailtype = alias(this_recp);
4103 mailtype = alias(this_recp);
4105 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
4106 if (this_recp[j]=='_') {
4107 this_recp_cooked[j] = ' ';
4110 this_recp_cooked[j] = this_recp[j];
4113 this_recp_cooked[j] = '\0';
4118 if (!strcasecmp(this_recp, "sysop")) {
4120 strcpy(this_recp, config.c_aideroom);
4121 if (!IsEmptyStr(ret->recp_room)) {
4122 strcat(ret->recp_room, "|");
4124 strcat(ret->recp_room, this_recp);
4126 else if ( (!strncasecmp(this_recp, "room_", 5))
4127 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4129 /* Save room so we can restore it later */
4133 /* Check permissions to send mail to this room */
4134 err = CtdlDoIHavePermissionToPostInThisRoom(
4139 0 /* 0 = not a reply */
4148 if (!IsEmptyStr(ret->recp_room)) {
4149 strcat(ret->recp_room, "|");
4151 strcat(ret->recp_room, &this_recp_cooked[5]);
4154 /* Restore room in case something needs it */
4158 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4160 strcpy(this_recp, tempUS.fullname);
4161 if (!IsEmptyStr(ret->recp_local)) {
4162 strcat(ret->recp_local, "|");
4164 strcat(ret->recp_local, this_recp);
4166 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4168 strcpy(this_recp, tempUS.fullname);
4169 if (!IsEmptyStr(ret->recp_local)) {
4170 strcat(ret->recp_local, "|");
4172 strcat(ret->recp_local, this_recp);
4180 /* Yes, you're reading this correctly: if the target
4181 * domain points back to the local system or an attached
4182 * Citadel directory, the address is invalid. That's
4183 * because if the address were valid, we would have
4184 * already translated it to a local address by now.
4186 if (IsDirectory(this_recp, 0)) {
4191 ++ret->num_internet;
4192 if (!IsEmptyStr(ret->recp_internet)) {
4193 strcat(ret->recp_internet, "|");
4195 strcat(ret->recp_internet, this_recp);
4200 if (!IsEmptyStr(ret->recp_ignet)) {
4201 strcat(ret->recp_ignet, "|");
4203 strcat(ret->recp_ignet, this_recp);
4211 if (IsEmptyStr(errmsg)) {
4212 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4215 snprintf(append, sizeof append, "%s", errmsg);
4217 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4218 if (!IsEmptyStr(ret->errormsg)) {
4219 strcat(ret->errormsg, "; ");
4221 strcat(ret->errormsg, append);
4225 if (IsEmptyStr(ret->display_recp)) {
4226 strcpy(append, this_recp);
4229 snprintf(append, sizeof append, ", %s", this_recp);
4231 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4232 strcat(ret->display_recp, append);
4237 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4238 ret->num_room + ret->num_error) == 0) {
4239 ret->num_error = (-1);
4240 strcpy(ret->errormsg, "No recipients specified.");
4243 syslog(LOG_DEBUG, "validate_recipients()\n");
4244 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4245 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4246 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4247 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4248 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4256 * Destructor for struct recptypes
4258 void free_recipients(struct recptypes *valid) {
4260 if (valid == NULL) {
4264 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4265 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4269 if (valid->errormsg != NULL) free(valid->errormsg);
4270 if (valid->recp_local != NULL) free(valid->recp_local);
4271 if (valid->recp_internet != NULL) free(valid->recp_internet);
4272 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4273 if (valid->recp_room != NULL) free(valid->recp_room);
4274 if (valid->display_recp != NULL) free(valid->display_recp);
4275 if (valid->bounce_to != NULL) free(valid->bounce_to);
4276 if (valid->envelope_from != NULL) free(valid->envelope_from);
4283 * message entry - mode 0 (normal)
4285 void cmd_ent0(char *entargs)
4291 char supplied_euid[128];
4293 int format_type = 0;
4294 char newusername[256];
4295 char newuseremail[256];
4296 struct CtdlMessage *msg;
4300 struct recptypes *valid = NULL;
4301 struct recptypes *valid_to = NULL;
4302 struct recptypes *valid_cc = NULL;
4303 struct recptypes *valid_bcc = NULL;
4305 int subject_required = 0;
4310 int newuseremail_ok = 0;
4311 char references[SIZ];
4316 post = extract_int(entargs, 0);
4317 extract_token(recp, entargs, 1, '|', sizeof recp);
4318 anon_flag = extract_int(entargs, 2);
4319 format_type = extract_int(entargs, 3);
4320 extract_token(subject, entargs, 4, '|', sizeof subject);
4321 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4322 do_confirm = extract_int(entargs, 6);
4323 extract_token(cc, entargs, 7, '|', sizeof cc);
4324 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4325 switch(CC->room.QRdefaultview) {
4328 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4331 supplied_euid[0] = 0;
4334 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4335 extract_token(references, entargs, 11, '|', sizeof references);
4336 for (ptr=references; *ptr != 0; ++ptr) {
4337 if (*ptr == '!') *ptr = '|';
4340 /* first check to make sure the request is valid. */
4342 err = CtdlDoIHavePermissionToPostInThisRoom(
4347 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4351 cprintf("%d %s\n", err, errmsg);
4355 /* Check some other permission type things. */
4357 if (IsEmptyStr(newusername)) {
4358 strcpy(newusername, CC->user.fullname);
4360 if ( (CC->user.axlevel < AxAideU)
4361 && (strcasecmp(newusername, CC->user.fullname))
4362 && (strcasecmp(newusername, CC->cs_inet_fn))
4364 cprintf("%d You don't have permission to author messages as '%s'.\n",
4365 ERROR + HIGHER_ACCESS_REQUIRED,
4372 if (IsEmptyStr(newuseremail)) {
4373 newuseremail_ok = 1;
4376 if (!IsEmptyStr(newuseremail)) {
4377 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4378 newuseremail_ok = 1;
4380 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4381 j = num_tokens(CC->cs_inet_other_emails, '|');
4382 for (i=0; i<j; ++i) {
4383 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4384 if (!strcasecmp(newuseremail, buf)) {
4385 newuseremail_ok = 1;
4391 if (!newuseremail_ok) {
4392 cprintf("%d You don't have permission to author messages as '%s'.\n",
4393 ERROR + HIGHER_ACCESS_REQUIRED,
4399 CC->cs_flags |= CS_POSTING;
4401 /* In mailbox rooms we have to behave a little differently --
4402 * make sure the user has specified at least one recipient. Then
4403 * validate the recipient(s). We do this for the Mail> room, as
4404 * well as any room which has the "Mailbox" view set - unless it
4405 * is the DRAFTS room which does not require recipients
4408 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4409 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4410 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4411 if (CC->user.axlevel < AxProbU) {
4412 strcpy(recp, "sysop");
4417 valid_to = validate_recipients(recp, NULL, 0);
4418 if (valid_to->num_error > 0) {
4419 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4420 free_recipients(valid_to);
4424 valid_cc = validate_recipients(cc, NULL, 0);
4425 if (valid_cc->num_error > 0) {
4426 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4427 free_recipients(valid_to);
4428 free_recipients(valid_cc);
4432 valid_bcc = validate_recipients(bcc, NULL, 0);
4433 if (valid_bcc->num_error > 0) {
4434 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4435 free_recipients(valid_to);
4436 free_recipients(valid_cc);
4437 free_recipients(valid_bcc);
4441 /* Recipient required, but none were specified */
4442 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4443 free_recipients(valid_to);
4444 free_recipients(valid_cc);
4445 free_recipients(valid_bcc);
4446 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4450 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4451 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4452 cprintf("%d You do not have permission "
4453 "to send Internet mail.\n",
4454 ERROR + HIGHER_ACCESS_REQUIRED);
4455 free_recipients(valid_to);
4456 free_recipients(valid_cc);
4457 free_recipients(valid_bcc);
4462 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)
4463 && (CC->user.axlevel < AxNetU) ) {
4464 cprintf("%d Higher access required for network mail.\n",
4465 ERROR + HIGHER_ACCESS_REQUIRED);
4466 free_recipients(valid_to);
4467 free_recipients(valid_cc);
4468 free_recipients(valid_bcc);
4472 if ((RESTRICT_INTERNET == 1)
4473 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4474 && ((CC->user.flags & US_INTERNET) == 0)
4475 && (!CC->internal_pgm)) {
4476 cprintf("%d You don't have access to Internet mail.\n",
4477 ERROR + HIGHER_ACCESS_REQUIRED);
4478 free_recipients(valid_to);
4479 free_recipients(valid_cc);
4480 free_recipients(valid_bcc);
4486 /* Is this a room which has anonymous-only or anonymous-option? */
4487 anonymous = MES_NORMAL;
4488 if (CC->room.QRflags & QR_ANONONLY) {
4489 anonymous = MES_ANONONLY;
4491 if (CC->room.QRflags & QR_ANONOPT) {
4492 if (anon_flag == 1) { /* only if the user requested it */
4493 anonymous = MES_ANONOPT;
4497 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4501 /* Recommend to the client that the use of a message subject is
4502 * strongly recommended in this room, if either the SUBJECTREQ flag
4503 * is set, or if there is one or more Internet email recipients.
4505 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4506 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4507 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4508 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4510 /* If we're only checking the validity of the request, return
4511 * success without creating the message.
4514 cprintf("%d %s|%d\n", CIT_OK,
4515 ((valid_to != NULL) ? valid_to->display_recp : ""),
4517 free_recipients(valid_to);
4518 free_recipients(valid_cc);
4519 free_recipients(valid_bcc);
4523 /* We don't need these anymore because we'll do it differently below */
4524 free_recipients(valid_to);
4525 free_recipients(valid_cc);
4526 free_recipients(valid_bcc);
4528 /* Read in the message from the client. */
4530 cprintf("%d send message\n", START_CHAT_MODE);
4532 cprintf("%d send message\n", SEND_LISTING);
4535 msg = CtdlMakeMessage(&CC->user, recp, cc,
4536 CC->room.QRname, anonymous, format_type,
4537 newusername, newuseremail, subject,
4538 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4541 /* Put together one big recipients struct containing to/cc/bcc all in
4542 * one. This is for the envelope.
4544 char *all_recps = malloc(SIZ * 3);
4545 strcpy(all_recps, recp);
4546 if (!IsEmptyStr(cc)) {
4547 if (!IsEmptyStr(all_recps)) {
4548 strcat(all_recps, ",");
4550 strcat(all_recps, cc);
4552 if (!IsEmptyStr(bcc)) {
4553 if (!IsEmptyStr(all_recps)) {
4554 strcat(all_recps, ",");
4556 strcat(all_recps, bcc);
4558 if (!IsEmptyStr(all_recps)) {
4559 valid = validate_recipients(all_recps, NULL, 0);
4567 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4570 cprintf("%ld\n", msgnum);
4572 cprintf("Message accepted.\n");
4575 cprintf("Internal error.\n");
4577 if (msg->cm_fields['E'] != NULL) {
4578 cprintf("%s\n", msg->cm_fields['E']);
4585 CtdlFreeMessage(msg);
4587 if (valid != NULL) {
4588 free_recipients(valid);
4596 * API function to delete messages which match a set of criteria
4597 * (returns the actual number of messages deleted)
4599 int CtdlDeleteMessages(char *room_name, /* which room */
4600 long *dmsgnums, /* array of msg numbers to be deleted */
4601 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4602 char *content_type /* or "" for any. regular expressions expected. */
4605 struct ctdlroom qrbuf;
4606 struct cdbdata *cdbfr;
4607 long *msglist = NULL;
4608 long *dellist = NULL;
4611 int num_deleted = 0;
4613 struct MetaData smi;
4616 int need_to_free_re = 0;
4618 if (content_type) if (!IsEmptyStr(content_type)) {
4619 regcomp(&re, content_type, 0);
4620 need_to_free_re = 1;
4622 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4623 room_name, num_dmsgnums, content_type);
4625 /* get room record, obtaining a lock... */
4626 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4627 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4629 if (need_to_free_re) regfree(&re);
4630 return (0); /* room not found */
4632 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4634 if (cdbfr != NULL) {
4635 dellist = malloc(cdbfr->len);
4636 msglist = (long *) cdbfr->ptr;
4637 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4638 num_msgs = cdbfr->len / sizeof(long);
4642 for (i = 0; i < num_msgs; ++i) {
4645 /* Set/clear a bit for each criterion */
4647 /* 0 messages in the list or a null list means that we are
4648 * interested in deleting any messages which meet the other criteria.
4650 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4651 delete_this |= 0x01;
4654 for (j=0; j<num_dmsgnums; ++j) {
4655 if (msglist[i] == dmsgnums[j]) {
4656 delete_this |= 0x01;
4661 if (IsEmptyStr(content_type)) {
4662 delete_this |= 0x02;
4664 GetMetaData(&smi, msglist[i]);
4665 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4666 delete_this |= 0x02;
4670 /* Delete message only if all bits are set */
4671 if (delete_this == 0x03) {
4672 dellist[num_deleted++] = msglist[i];
4677 num_msgs = sort_msglist(msglist, num_msgs);
4678 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4679 msglist, (int)(num_msgs * sizeof(long)));
4682 qrbuf.QRhighest = msglist[num_msgs - 1];
4684 qrbuf.QRhighest = 0;
4686 CtdlPutRoomLock(&qrbuf);
4688 /* Go through the messages we pulled out of the index, and decrement
4689 * their reference counts by 1. If this is the only room the message
4690 * was in, the reference count will reach zero and the message will
4691 * automatically be deleted from the database. We do this in a
4692 * separate pass because there might be plug-in hooks getting called,
4693 * and we don't want that happening during an S_ROOMS critical
4696 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4697 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4698 AdjRefCount(dellist[i], -1);
4701 /* Now free the memory we used, and go away. */
4702 if (msglist != NULL) free(msglist);
4703 if (dellist != NULL) free(dellist);
4704 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4705 if (need_to_free_re) regfree(&re);
4706 return (num_deleted);
4712 * Check whether the current user has permission to delete messages from
4713 * the current room (returns 1 for yes, 0 for no)
4715 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4717 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4718 if (ra & UA_DELETEALLOWED) return(1);
4726 * Delete message from current room
4728 void cmd_dele(char *args)
4737 extract_token(msgset, args, 0, '|', sizeof msgset);
4738 num_msgs = num_tokens(msgset, ',');
4740 cprintf("%d Nothing to do.\n", CIT_OK);
4744 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4745 cprintf("%d Higher access required.\n",
4746 ERROR + HIGHER_ACCESS_REQUIRED);
4751 * Build our message set to be moved/copied
4753 msgs = malloc(num_msgs * sizeof(long));
4754 for (i=0; i<num_msgs; ++i) {
4755 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4756 msgs[i] = atol(msgtok);
4759 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4763 cprintf("%d %d message%s deleted.\n", CIT_OK,
4764 num_deleted, ((num_deleted != 1) ? "s" : ""));
4766 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4774 * move or copy a message to another room
4776 void cmd_move(char *args)
4783 char targ[ROOMNAMELEN];
4784 struct ctdlroom qtemp;
4791 extract_token(msgset, args, 0, '|', sizeof msgset);
4792 num_msgs = num_tokens(msgset, ',');
4794 cprintf("%d Nothing to do.\n", CIT_OK);
4798 extract_token(targ, args, 1, '|', sizeof targ);
4799 convert_room_name_macros(targ, sizeof targ);
4800 targ[ROOMNAMELEN - 1] = 0;
4801 is_copy = extract_int(args, 2);
4803 if (CtdlGetRoom(&qtemp, targ) != 0) {
4804 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4808 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4809 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4813 CtdlGetUser(&CC->user, CC->curr_user);
4814 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4816 /* Check for permission to perform this operation.
4817 * Remember: "CC->room" is source, "qtemp" is target.
4821 /* Aides can move/copy */
4822 if (CC->user.axlevel >= AxAideU) permit = 1;
4824 /* Room aides can move/copy */
4825 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4827 /* Permit move/copy from personal rooms */
4828 if ((CC->room.QRflags & QR_MAILBOX)
4829 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4831 /* Permit only copy from public to personal room */
4833 && (!(CC->room.QRflags & QR_MAILBOX))
4834 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4836 /* Permit message removal from collaborative delete rooms */
4837 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4839 /* Users allowed to post into the target room may move into it too. */
4840 if ((CC->room.QRflags & QR_MAILBOX) &&
4841 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4843 /* User must have access to target room */
4844 if (!(ra & UA_KNOWN)) permit = 0;
4847 cprintf("%d Higher access required.\n",
4848 ERROR + HIGHER_ACCESS_REQUIRED);
4853 * Build our message set to be moved/copied
4855 msgs = malloc(num_msgs * sizeof(long));
4856 for (i=0; i<num_msgs; ++i) {
4857 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4858 msgs[i] = atol(msgtok);
4864 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4866 cprintf("%d Cannot store message(s) in %s: error %d\n",
4872 /* Now delete the message from the source room,
4873 * if this is a 'move' rather than a 'copy' operation.
4876 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4880 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4886 * GetMetaData() - Get the supplementary record for a message
4888 void GetMetaData(struct MetaData *smibuf, long msgnum)
4891 struct cdbdata *cdbsmi;
4894 memset(smibuf, 0, sizeof(struct MetaData));
4895 smibuf->meta_msgnum = msgnum;
4896 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4898 /* Use the negative of the message number for its supp record index */
4899 TheIndex = (0L - msgnum);
4901 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4902 if (cdbsmi == NULL) {
4903 return; /* record not found; go with defaults */
4905 memcpy(smibuf, cdbsmi->ptr,
4906 ((cdbsmi->len > sizeof(struct MetaData)) ?
4907 sizeof(struct MetaData) : cdbsmi->len));
4914 * PutMetaData() - (re)write supplementary record for a message
4916 void PutMetaData(struct MetaData *smibuf)
4920 /* Use the negative of the message number for the metadata db index */
4921 TheIndex = (0L - smibuf->meta_msgnum);
4923 cdb_store(CDB_MSGMAIN,
4924 &TheIndex, (int)sizeof(long),
4925 smibuf, (int)sizeof(struct MetaData));
4930 * AdjRefCount - submit an adjustment to the reference count for a message.
4931 * (These are just queued -- we actually process them later.)
4933 void AdjRefCount(long msgnum, int incr)
4935 struct arcq new_arcq;
4938 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4942 begin_critical_section(S_SUPPMSGMAIN);
4943 if (arcfp == NULL) {
4944 arcfp = fopen(file_arcq, "ab+");
4946 end_critical_section(S_SUPPMSGMAIN);
4948 /* msgnum < 0 means that we're trying to close the file */
4950 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4951 begin_critical_section(S_SUPPMSGMAIN);
4952 if (arcfp != NULL) {
4956 end_critical_section(S_SUPPMSGMAIN);
4961 * If we can't open the queue, perform the operation synchronously.
4963 if (arcfp == NULL) {
4964 TDAP_AdjRefCount(msgnum, incr);
4968 new_arcq.arcq_msgnum = msgnum;
4969 new_arcq.arcq_delta = incr;
4970 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4978 * TDAP_ProcessAdjRefCountQueue()
4980 * Process the queue of message count adjustments that was created by calls
4981 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4982 * for each one. This should be an "off hours" operation.
4984 int TDAP_ProcessAdjRefCountQueue(void)
4986 char file_arcq_temp[PATH_MAX];
4989 struct arcq arcq_rec;
4990 int num_records_processed = 0;
4992 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4994 begin_critical_section(S_SUPPMSGMAIN);
4995 if (arcfp != NULL) {
5000 r = link(file_arcq, file_arcq_temp);
5002 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5003 end_critical_section(S_SUPPMSGMAIN);
5004 return(num_records_processed);
5008 end_critical_section(S_SUPPMSGMAIN);
5010 fp = fopen(file_arcq_temp, "rb");
5012 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5013 return(num_records_processed);
5016 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5017 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5018 ++num_records_processed;
5022 r = unlink(file_arcq_temp);
5024 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5027 return(num_records_processed);
5033 * TDAP_AdjRefCount - adjust the reference count for a message.
5034 * This one does it "for real" because it's called by
5035 * the autopurger function that processes the queue
5036 * created by AdjRefCount(). If a message's reference
5037 * count becomes zero, we also delete the message from
5038 * disk and de-index it.
5040 void TDAP_AdjRefCount(long msgnum, int incr)
5043 struct MetaData smi;
5046 /* This is a *tight* critical section; please keep it that way, as
5047 * it may get called while nested in other critical sections.
5048 * Complicating this any further will surely cause deadlock!
5050 begin_critical_section(S_SUPPMSGMAIN);
5051 GetMetaData(&smi, msgnum);
5052 smi.meta_refcount += incr;
5054 end_critical_section(S_SUPPMSGMAIN);
5055 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5056 msgnum, incr, smi.meta_refcount
5059 /* If the reference count is now zero, delete the message
5060 * (and its supplementary record as well).
5062 if (smi.meta_refcount == 0) {
5063 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5065 /* Call delete hooks with NULL room to show it has gone altogether */
5066 PerformDeleteHooks(NULL, msgnum);
5068 /* Remove from message base */
5070 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5071 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5073 /* Remove metadata record */
5074 delnum = (0L - msgnum);
5075 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5081 * Write a generic object to this room
5083 * Note: this could be much more efficient. Right now we use two temporary
5084 * files, and still pull the message into memory as with all others.
5086 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5087 char *content_type, /* MIME type of this object */
5088 char *raw_message, /* Data to be written */
5089 off_t raw_length, /* Size of raw_message */
5090 struct ctdluser *is_mailbox, /* Mailbox room? */
5091 int is_binary, /* Is encoding necessary? */
5092 int is_unique, /* Del others of this type? */
5093 unsigned int flags /* Internal save flags */
5097 struct ctdlroom qrbuf;
5098 char roomname[ROOMNAMELEN];
5099 struct CtdlMessage *msg;
5100 char *encoded_message = NULL;
5102 if (is_mailbox != NULL) {
5103 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5106 safestrncpy(roomname, req_room, sizeof(roomname));
5109 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5112 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5115 encoded_message = malloc((size_t)(raw_length + 4096));
5118 sprintf(encoded_message, "Content-type: %s\n", content_type);
5121 sprintf(&encoded_message[strlen(encoded_message)],
5122 "Content-transfer-encoding: base64\n\n"
5126 sprintf(&encoded_message[strlen(encoded_message)],
5127 "Content-transfer-encoding: 7bit\n\n"
5133 &encoded_message[strlen(encoded_message)],
5141 &encoded_message[strlen(encoded_message)],
5147 syslog(LOG_DEBUG, "Allocating\n");
5148 msg = malloc(sizeof(struct CtdlMessage));
5149 memset(msg, 0, sizeof(struct CtdlMessage));
5150 msg->cm_magic = CTDLMESSAGE_MAGIC;
5151 msg->cm_anon_type = MES_NORMAL;
5152 msg->cm_format_type = 4;
5153 msg->cm_fields['A'] = strdup(CC->user.fullname);
5154 msg->cm_fields['O'] = strdup(req_room);
5155 msg->cm_fields['N'] = strdup(config.c_nodename);
5156 msg->cm_fields['H'] = strdup(config.c_humannode);
5157 msg->cm_flags = flags;
5159 msg->cm_fields['M'] = encoded_message;
5161 /* Create the requested room if we have to. */
5162 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5163 CtdlCreateRoom(roomname,
5164 ( (is_mailbox != NULL) ? 5 : 3 ),
5165 "", 0, 1, 0, VIEW_BBS);
5167 /* If the caller specified this object as unique, delete all
5168 * other objects of this type that are currently in the room.
5171 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5172 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5175 /* Now write the data */
5176 CtdlSubmitMsg(msg, NULL, roomname, 0);
5177 CtdlFreeMessage(msg);
5185 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5186 config_msgnum = msgnum;
5190 char *CtdlGetSysConfig(char *sysconfname) {
5191 char hold_rm[ROOMNAMELEN];
5194 struct CtdlMessage *msg;
5197 strcpy(hold_rm, CC->room.QRname);
5198 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5199 CtdlGetRoom(&CC->room, hold_rm);
5204 /* We want the last (and probably only) config in this room */
5205 begin_critical_section(S_CONFIG);
5206 config_msgnum = (-1L);
5207 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5208 CtdlGetSysConfigBackend, NULL);
5209 msgnum = config_msgnum;
5210 end_critical_section(S_CONFIG);
5216 msg = CtdlFetchMessage(msgnum, 1);
5218 conf = strdup(msg->cm_fields['M']);
5219 CtdlFreeMessage(msg);
5226 CtdlGetRoom(&CC->room, hold_rm);
5228 if (conf != NULL) do {
5229 extract_token(buf, conf, 0, '\n', sizeof buf);
5230 strcpy(conf, &conf[strlen(buf)+1]);
5231 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5237 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5238 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5243 * Determine whether a given Internet address belongs to the current user
5245 int CtdlIsMe(char *addr, int addr_buf_len)
5247 struct recptypes *recp;
5250 recp = validate_recipients(addr, NULL, 0);
5251 if (recp == NULL) return(0);
5253 if (recp->num_local == 0) {
5254 free_recipients(recp);
5258 for (i=0; i<recp->num_local; ++i) {
5259 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5260 if (!strcasecmp(addr, CC->user.fullname)) {
5261 free_recipients(recp);
5266 free_recipients(recp);
5272 * Citadel protocol command to do the same
5274 void cmd_isme(char *argbuf) {
5277 if (CtdlAccessCheck(ac_logged_in)) return;
5278 extract_token(addr, argbuf, 0, '|', sizeof addr);
5280 if (CtdlIsMe(addr, sizeof addr)) {
5281 cprintf("%d %s\n", CIT_OK, addr);
5284 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5290 /*****************************************************************************/
5291 /* MODULE INITIALIZATION STUFF */
5292 /*****************************************************************************/
5294 CTDL_MODULE_INIT(msgbase)
5297 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5298 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5299 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5300 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5301 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5302 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5303 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5304 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5305 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5306 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5307 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5308 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5311 /* return our Subversion id for the Log */