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 * We cache the most recent msglist in order to do security checks later
650 if (CC->client_socket > 0) {
651 if (CC->cached_msglist != NULL) {
652 free(CC->cached_msglist);
655 CC->cached_msglist = msglist;
656 CC->cached_num_msgs = num_msgs;
660 * Now begin the traversal.
662 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
664 /* If the caller is looking for a specific MIME type, filter
665 * out all messages which are not of the type requested.
667 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
669 /* This call to GetMetaData() sits inside this loop
670 * so that we only do the extra database read per msg
671 * if we need to. Doing the extra read all the time
672 * really kills the server. If we ever need to use
673 * metadata for another search criterion, we need to
674 * move the read somewhere else -- but still be smart
675 * enough to only do the read if the caller has
676 * specified something that will need it.
678 GetMetaData(&smi, msglist[a]);
680 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
681 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
687 num_msgs = sort_msglist(msglist, num_msgs);
689 /* If a template was supplied, filter out the messages which
690 * don't match. (This could induce some delays!)
693 if (compare != NULL) {
694 for (a = 0; a < num_msgs; ++a) {
695 msg = CtdlFetchMessage(msglist[a], 1);
697 if (CtdlMsgCmp(msg, compare)) {
700 CtdlFreeMessage(msg);
706 /* If a search string was specified, get a message list from
707 * the full text index and remove messages which aren't on both
711 * Since the lists are sorted and strictly ascending, and the
712 * output list is guaranteed to be shorter than or equal to the
713 * input list, we overwrite the bottom of the input list. This
714 * eliminates the need to memmove big chunks of the list over and
717 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
719 /* Call search module via hook mechanism.
720 * NULL means use any search function available.
721 * otherwise replace with a char * to name of search routine
723 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
725 if (num_search_msgs > 0) {
729 orig_num_msgs = num_msgs;
731 for (i=0; i<orig_num_msgs; ++i) {
732 for (j=0; j<num_search_msgs; ++j) {
733 if (msglist[i] == search_msgs[j]) {
734 msglist[num_msgs++] = msglist[i];
740 num_msgs = 0; /* No messages qualify */
742 if (search_msgs != NULL) free(search_msgs);
744 /* Now that we've purged messages which don't contain the search
745 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
752 * Now iterate through the message list, according to the
753 * criteria supplied by the caller.
756 for (a = 0; a < num_msgs; ++a) {
757 thismsg = msglist[a];
758 if (mode == MSGS_ALL) {
762 is_seen = is_msg_in_sequence_set(
763 vbuf.v_seen, thismsg);
764 if (is_seen) lastold = thismsg;
770 || ((mode == MSGS_OLD) && (is_seen))
771 || ((mode == MSGS_NEW) && (!is_seen))
772 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
773 || ((mode == MSGS_FIRST) && (a < ref))
774 || ((mode == MSGS_GT) && (thismsg > ref))
775 || ((mode == MSGS_LT) && (thismsg < ref))
776 || ((mode == MSGS_EQ) && (thismsg == ref))
779 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
781 CallBack(lastold, userdata);
785 if (CallBack) CallBack(thismsg, userdata);
789 if (need_to_free_re) regfree(&re);
790 if (CC->client_socket <= 0) free(msglist);
791 return num_processed;
797 * cmd_msgs() - get list of message #'s in this room
798 * implements the MSGS server command using CtdlForEachMessage()
800 void cmd_msgs(char *cmdbuf)
809 int with_template = 0;
810 struct CtdlMessage *template = NULL;
811 char search_string[1024];
812 ForEachMsgCallback CallBack;
814 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
816 extract_token(which, cmdbuf, 0, '|', sizeof which);
817 cm_ref = extract_int(cmdbuf, 1);
818 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
819 with_template = extract_int(cmdbuf, 2);
820 switch (extract_int(cmdbuf, 3))
824 CallBack = simple_listing;
827 CallBack = headers_listing;
830 CallBack = headers_euid;
835 if (!strncasecmp(which, "OLD", 3))
837 else if (!strncasecmp(which, "NEW", 3))
839 else if (!strncasecmp(which, "FIRST", 5))
841 else if (!strncasecmp(which, "LAST", 4))
843 else if (!strncasecmp(which, "GT", 2))
845 else if (!strncasecmp(which, "LT", 2))
847 else if (!strncasecmp(which, "SEARCH", 6))
852 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
853 cprintf("%d Full text index is not enabled on this server.\n",
854 ERROR + CMD_NOT_SUPPORTED);
860 cprintf("%d Send template then receive message list\n",
862 template = (struct CtdlMessage *)
863 malloc(sizeof(struct CtdlMessage));
864 memset(template, 0, sizeof(struct CtdlMessage));
865 template->cm_magic = CTDLMESSAGE_MAGIC;
866 template->cm_anon_type = MES_NORMAL;
868 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
869 extract_token(tfield, buf, 0, '|', sizeof tfield);
870 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
871 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
872 if (!strcasecmp(tfield, msgkeys[i])) {
873 template->cm_fields[i] =
881 cprintf("%d \n", LISTING_FOLLOWS);
884 CtdlForEachMessage(mode,
885 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
886 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
891 if (template != NULL) CtdlFreeMessage(template);
899 * help_subst() - support routine for help file viewer
901 void help_subst(char *strbuf, char *source, char *dest)
906 while (p = pattern2(strbuf, source), (p >= 0)) {
907 strcpy(workbuf, &strbuf[p + strlen(source)]);
908 strcpy(&strbuf[p], dest);
909 strcat(strbuf, workbuf);
914 void do_help_subst(char *buffer)
918 help_subst(buffer, "^nodename", config.c_nodename);
919 help_subst(buffer, "^humannode", config.c_humannode);
920 help_subst(buffer, "^fqdn", config.c_fqdn);
921 help_subst(buffer, "^username", CC->user.fullname);
922 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
923 help_subst(buffer, "^usernum", buf2);
924 help_subst(buffer, "^sysadm", config.c_sysadm);
925 help_subst(buffer, "^variantname", CITADEL);
926 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
927 help_subst(buffer, "^maxsessions", buf2);
928 help_subst(buffer, "^bbsdir", ctdl_message_dir);
934 * memfmout() - Citadel text formatter and paginator.
935 * Although the original purpose of this routine was to format
936 * text to the reader's screen width, all we're really using it
937 * for here is to format text out to 80 columns before sending it
938 * to the client. The client software may reformat it again.
941 char *mptr, /* where are we going to get our text from? */
942 const char *nl /* string to terminate lines with */
945 unsigned char ch = 0;
952 while (ch=*(mptr++), ch != 0) {
955 if (client_write(outbuf, len) == -1)
957 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
961 if (client_write(nl, nllen) == -1)
963 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
968 else if (ch == '\r') {
969 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
971 else if (isspace(ch)) {
972 if (column > 72) { /* Beyond 72 columns, break on the next space */
973 if (client_write(outbuf, len) == -1)
975 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
979 if (client_write(nl, nllen) == -1)
981 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
994 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
995 if (client_write(outbuf, len) == -1)
997 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1001 if (client_write(nl, nllen) == -1)
1003 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1011 if (client_write(outbuf, len) == -1)
1013 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1017 client_write(nl, nllen);
1025 * Callback function for mime parser that simply lists the part
1027 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1028 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1029 char *cbid, void *cbuserdata)
1033 ma = (struct ma_info *)cbuserdata;
1034 if (ma->is_ma == 0) {
1035 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1048 * Callback function for multipart prefix
1050 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1051 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1052 char *cbid, void *cbuserdata)
1056 ma = (struct ma_info *)cbuserdata;
1057 if (!strcasecmp(cbtype, "multipart/alternative")) {
1061 if (ma->is_ma == 0) {
1062 cprintf("pref=%s|%s\n", partnum, cbtype);
1067 * Callback function for multipart sufffix
1069 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1070 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1071 char *cbid, void *cbuserdata)
1075 ma = (struct ma_info *)cbuserdata;
1076 if (ma->is_ma == 0) {
1077 cprintf("suff=%s|%s\n", partnum, cbtype);
1079 if (!strcasecmp(cbtype, "multipart/alternative")) {
1086 * Callback function for mime parser that opens a section for downloading
1088 void mime_download(char *name, char *filename, char *partnum, char *disp,
1089 void *content, char *cbtype, char *cbcharset, size_t length,
1090 char *encoding, char *cbid, void *cbuserdata)
1094 /* Silently go away if there's already a download open. */
1095 if (CC->download_fp != NULL)
1099 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1100 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1102 CC->download_fp = tmpfile();
1103 if (CC->download_fp == NULL)
1106 rv = fwrite(content, length, 1, CC->download_fp);
1107 fflush(CC->download_fp);
1108 rewind(CC->download_fp);
1110 OpenCmdResult(filename, cbtype);
1117 * Callback function for mime parser that outputs a section all at once.
1118 * We can specify the desired section by part number *or* content-id.
1120 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1121 void *content, char *cbtype, char *cbcharset, size_t length,
1122 char *encoding, char *cbid, void *cbuserdata)
1124 int *found_it = (int *)cbuserdata;
1127 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1128 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1131 cprintf("%d %d|-1|%s|%s|%s\n",
1138 client_write(content, length);
1144 * Load a message from disk into memory.
1145 * This is used by CtdlOutputMsg() and other fetch functions.
1147 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1148 * using the CtdlMessageFree() function.
1150 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1152 struct cdbdata *dmsgtext;
1153 struct CtdlMessage *ret = NULL;
1157 cit_uint8_t field_header;
1159 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1160 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1161 if (dmsgtext == NULL) {
1164 mptr = dmsgtext->ptr;
1165 upper_bound = mptr + dmsgtext->len;
1167 /* Parse the three bytes that begin EVERY message on disk.
1168 * The first is always 0xFF, the on-disk magic number.
1169 * The second is the anonymous/public type byte.
1170 * The third is the format type byte (vari, fixed, or MIME).
1174 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1178 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1179 memset(ret, 0, sizeof(struct CtdlMessage));
1181 ret->cm_magic = CTDLMESSAGE_MAGIC;
1182 ret->cm_anon_type = *mptr++; /* Anon type byte */
1183 ret->cm_format_type = *mptr++; /* Format type byte */
1186 * The rest is zero or more arbitrary fields. Load them in.
1187 * We're done when we encounter either a zero-length field or
1188 * have just processed the 'M' (message text) field.
1191 if (mptr >= upper_bound) {
1194 field_header = *mptr++;
1195 ret->cm_fields[field_header] = strdup(mptr);
1197 while (*mptr++ != 0); /* advance to next field */
1199 } while ((mptr < upper_bound) && (field_header != 'M'));
1203 /* Always make sure there's something in the msg text field. If
1204 * it's NULL, the message text is most likely stored separately,
1205 * so go ahead and fetch that. Failing that, just set a dummy
1206 * body so other code doesn't barf.
1208 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1209 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1210 if (dmsgtext != NULL) {
1211 ret->cm_fields['M'] = dmsgtext->ptr;
1212 dmsgtext->ptr = NULL;
1216 if (ret->cm_fields['M'] == NULL) {
1217 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1220 /* Perform "before read" hooks (aborting if any return nonzero) */
1221 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1222 CtdlFreeMessage(ret);
1231 * Returns 1 if the supplied pointer points to a valid Citadel message.
1232 * If the pointer is NULL or the magic number check fails, returns 0.
1234 int is_valid_message(struct CtdlMessage *msg) {
1237 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1238 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1246 * 'Destructor' for struct CtdlMessage
1248 void CtdlFreeMessage(struct CtdlMessage *msg)
1252 if (is_valid_message(msg) == 0)
1254 if (msg != NULL) free (msg);
1258 for (i = 0; i < 256; ++i)
1259 if (msg->cm_fields[i] != NULL) {
1260 free(msg->cm_fields[i]);
1263 msg->cm_magic = 0; /* just in case */
1269 * Pre callback function for multipart/alternative
1271 * NOTE: this differs from the standard behavior for a reason. Normally when
1272 * displaying multipart/alternative you want to show the _last_ usable
1273 * format in the message. Here we show the _first_ one, because it's
1274 * usually text/plain. Since this set of functions is designed for text
1275 * output to non-MIME-aware clients, this is the desired behavior.
1278 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1279 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1280 char *cbid, void *cbuserdata)
1284 ma = (struct ma_info *)cbuserdata;
1285 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1286 if (!strcasecmp(cbtype, "multipart/alternative")) {
1290 if (!strcasecmp(cbtype, "message/rfc822")) {
1296 * Post callback function for multipart/alternative
1298 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1299 void *content, char *cbtype, char *cbcharset, size_t length,
1300 char *encoding, char *cbid, void *cbuserdata)
1304 ma = (struct ma_info *)cbuserdata;
1305 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1306 if (!strcasecmp(cbtype, "multipart/alternative")) {
1310 if (!strcasecmp(cbtype, "message/rfc822")) {
1316 * Inline callback function for mime parser that wants to display text
1318 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1319 void *content, char *cbtype, char *cbcharset, size_t length,
1320 char *encoding, char *cbid, void *cbuserdata)
1327 ma = (struct ma_info *)cbuserdata;
1330 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1331 partnum, filename, cbtype, (long)length);
1334 * If we're in the middle of a multipart/alternative scope and
1335 * we've already printed another section, skip this one.
1337 if ( (ma->is_ma) && (ma->did_print) ) {
1338 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1343 if ( (!strcasecmp(cbtype, "text/plain"))
1344 || (IsEmptyStr(cbtype)) ) {
1347 client_write(wptr, length);
1348 if (wptr[length-1] != '\n') {
1355 if (!strcasecmp(cbtype, "text/html")) {
1356 ptr = html_to_ascii(content, length, 80, 0);
1358 client_write(ptr, wlen);
1359 if (ptr[wlen-1] != '\n') {
1366 if (ma->use_fo_hooks) {
1367 if (PerformFixedOutputHooks(cbtype, content, length)) {
1368 /* above function returns nonzero if it handled the part */
1373 if (strncasecmp(cbtype, "multipart/", 10)) {
1374 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1375 partnum, filename, cbtype, (long)length);
1381 * The client is elegant and sophisticated and wants to be choosy about
1382 * MIME content types, so figure out which multipart/alternative part
1383 * we're going to send.
1385 * We use a system of weights. When we find a part that matches one of the
1386 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1387 * and then set ma->chosen_pref to that MIME type's position in our preference
1388 * list. If we then hit another match, we only replace the first match if
1389 * the preference value is lower.
1391 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1392 void *content, char *cbtype, char *cbcharset, size_t length,
1393 char *encoding, char *cbid, void *cbuserdata)
1399 ma = (struct ma_info *)cbuserdata;
1401 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1402 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1403 // I don't know if there are any side effects! Please TEST TEST TEST
1404 //if (ma->is_ma > 0) {
1406 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1407 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1408 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1409 if (i < ma->chosen_pref) {
1410 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1411 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1412 ma->chosen_pref = i;
1419 * Now that we've chosen our preferred part, output it.
1421 void output_preferred(char *name,
1435 int add_newline = 0;
1438 char *decoded = NULL;
1439 size_t bytes_decoded;
1442 ma = (struct ma_info *)cbuserdata;
1444 /* This is not the MIME part you're looking for... */
1445 if (strcasecmp(partnum, ma->chosen_part)) return;
1447 /* If the content-type of this part is in our preferred formats
1448 * list, we can simply output it verbatim.
1450 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1451 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1452 if (!strcasecmp(buf, cbtype)) {
1453 /* Yeah! Go! W00t!! */
1454 if (ma->dont_decode == 0)
1455 rc = mime_decode_now (content,
1461 break; /* Give us the chance, maybe theres another one. */
1463 if (rc == 0) text_content = (char *)content;
1465 text_content = decoded;
1466 length = bytes_decoded;
1469 if (text_content[length-1] != '\n') {
1472 cprintf("Content-type: %s", cbtype);
1473 if (!IsEmptyStr(cbcharset)) {
1474 cprintf("; charset=%s", cbcharset);
1476 cprintf("\nContent-length: %d\n",
1477 (int)(length + add_newline) );
1478 if (!IsEmptyStr(encoding)) {
1479 cprintf("Content-transfer-encoding: %s\n", encoding);
1482 cprintf("Content-transfer-encoding: 7bit\n");
1484 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1486 if (client_write(text_content, length) == -1)
1488 syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1491 if (add_newline) cprintf("\n");
1492 if (decoded != NULL) free(decoded);
1497 /* No translations required or possible: output as text/plain */
1498 cprintf("Content-type: text/plain\n\n");
1500 if (ma->dont_decode == 0)
1501 rc = mime_decode_now (content,
1507 return; /* Give us the chance, maybe theres another one. */
1509 if (rc == 0) text_content = (char *)content;
1511 text_content = decoded;
1512 length = bytes_decoded;
1515 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1516 length, encoding, cbid, cbuserdata);
1517 if (decoded != NULL) free(decoded);
1522 char desired_section[64];
1529 * Callback function for
1531 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1532 void *content, char *cbtype, char *cbcharset, size_t length,
1533 char *encoding, char *cbid, void *cbuserdata)
1535 struct encapmsg *encap;
1537 encap = (struct encapmsg *)cbuserdata;
1539 /* Only proceed if this is the desired section... */
1540 if (!strcasecmp(encap->desired_section, partnum)) {
1541 encap->msglen = length;
1542 encap->msg = malloc(length + 2);
1543 memcpy(encap->msg, content, length);
1550 * Determine whether the specified message exists in the cached_msglist
1551 * (This is a security check)
1553 int check_cached_msglist(long msgnum) {
1555 /* cases in which we skip the check */
1556 if (!CC) return om_ok; /* not a session */
1557 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1558 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1559 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1562 /* Do a binary search within the cached_msglist for the requested msgnum */
1564 int max = (CC->cached_num_msgs - 1);
1566 while (max >= min) {
1567 int middle = min + (max-min) / 2 ;
1568 if (msgnum == CC->cached_msglist[middle]) {
1571 if (msgnum > CC->cached_msglist[middle]) {
1579 return om_access_denied;
1584 * Determine whether the currently logged in session has permission to read
1585 * messages in the current room.
1587 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1588 if ( (!(CC->logged_in))
1589 && (!(CC->internal_pgm))
1590 && (!config.c_guest_logins)
1592 return(om_not_logged_in);
1599 * Get a message off disk. (returns om_* values found in msgbase.h)
1602 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1603 int mode, /* how would you like that message? */
1604 int headers_only, /* eschew the message body? */
1605 int do_proto, /* do Citadel protocol responses? */
1606 int crlf, /* Use CRLF newlines instead of LF? */
1607 char *section, /* NULL or a message/rfc822 section */
1608 int flags /* various flags; see msgbase.h */
1610 struct CtdlMessage *TheMessage = NULL;
1611 int retcode = om_no_such_msg;
1612 struct encapmsg encap;
1615 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1617 (section ? section : "<>")
1620 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1623 if (r == om_not_logged_in) {
1624 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1627 cprintf("%d An unknown error has occurred.\n", ERROR);
1634 * Check to make sure the message is actually IN this room
1636 r = check_cached_msglist(msg_num);
1637 if (r == om_access_denied) {
1638 /* Not in the cache? We get ONE shot to check it again. */
1639 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1640 r = check_cached_msglist(msg_num);
1643 syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1644 msg_num, CC->room.QRname
1647 if (r == om_access_denied) {
1648 cprintf("%d message %ld was not found in this room\n",
1649 ERROR + HIGHER_ACCESS_REQUIRED,
1658 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1659 * request that we don't even bother loading the body into memory.
1661 if (headers_only == HEADERS_FAST) {
1662 TheMessage = CtdlFetchMessage(msg_num, 0);
1665 TheMessage = CtdlFetchMessage(msg_num, 1);
1668 if (TheMessage == NULL) {
1669 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1670 ERROR + MESSAGE_NOT_FOUND, msg_num);
1671 return(om_no_such_msg);
1674 /* Here is the weird form of this command, to process only an
1675 * encapsulated message/rfc822 section.
1677 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1678 memset(&encap, 0, sizeof encap);
1679 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1680 mime_parser(TheMessage->cm_fields['M'],
1682 *extract_encapsulated_message,
1683 NULL, NULL, (void *)&encap, 0
1685 CtdlFreeMessage(TheMessage);
1689 encap.msg[encap.msglen] = 0;
1690 TheMessage = convert_internet_message(encap.msg);
1691 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1693 /* Now we let it fall through to the bottom of this
1694 * function, because TheMessage now contains the
1695 * encapsulated message instead of the top-level
1696 * message. Isn't that neat?
1701 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1702 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1703 retcode = om_no_such_msg;
1708 /* Ok, output the message now */
1709 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1710 CtdlFreeMessage(TheMessage);
1716 char *qp_encode_email_addrs(char *source)
1718 char *user, *node, *name;
1719 const char headerStr[] = "=?UTF-8?Q?";
1723 int need_to_encode = 0;
1729 long nAddrPtrMax = 50;
1734 if (source == NULL) return source;
1735 if (IsEmptyStr(source)) return source;
1737 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1739 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1740 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1741 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1744 while (!IsEmptyStr (&source[i])) {
1745 if (nColons >= nAddrPtrMax){
1748 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1749 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1750 free (AddrPtr), AddrPtr = ptr;
1752 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1753 memset(&ptr[nAddrPtrMax], 0,
1754 sizeof (long) * nAddrPtrMax);
1756 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1757 free (AddrUtf8), AddrUtf8 = ptr;
1760 if (((unsigned char) source[i] < 32) ||
1761 ((unsigned char) source[i] > 126)) {
1763 AddrUtf8[nColons] = 1;
1765 if (source[i] == '"')
1766 InQuotes = !InQuotes;
1767 if (!InQuotes && source[i] == ',') {
1768 AddrPtr[nColons] = i;
1773 if (need_to_encode == 0) {
1780 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1781 Encoded = (char*) malloc (EncodedMaxLen);
1783 for (i = 0; i < nColons; i++)
1784 source[AddrPtr[i]++] = '\0';
1785 /* TODO: if libidn, this might get larger*/
1786 user = malloc(SourceLen + 1);
1787 node = malloc(SourceLen + 1);
1788 name = malloc(SourceLen + 1);
1792 for (i = 0; i < nColons && nPtr != NULL; i++) {
1793 nmax = EncodedMaxLen - (nPtr - Encoded);
1795 process_rfc822_addr(&source[AddrPtr[i]],
1799 /* TODO: libIDN here ! */
1800 if (IsEmptyStr(name)) {
1801 n = snprintf(nPtr, nmax,
1802 (i==0)?"%s@%s" : ",%s@%s",
1806 EncodedName = rfc2047encode(name, strlen(name));
1807 n = snprintf(nPtr, nmax,
1808 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1809 EncodedName, user, node);
1814 n = snprintf(nPtr, nmax,
1815 (i==0)?"%s" : ",%s",
1816 &source[AddrPtr[i]]);
1822 ptr = (char*) malloc(EncodedMaxLen * 2);
1823 memcpy(ptr, Encoded, EncodedMaxLen);
1824 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1825 free(Encoded), Encoded = ptr;
1827 i--; /* do it once more with properly lengthened buffer */
1830 for (i = 0; i < nColons; i++)
1831 source[--AddrPtr[i]] = ',';
1842 /* If the last item in a list of recipients was truncated to a partial address,
1843 * remove it completely in order to avoid choking libSieve
1845 void sanitize_truncated_recipient(char *str)
1848 if (num_tokens(str, ',') < 2) return;
1850 int len = strlen(str);
1851 if (len < 900) return;
1852 if (len > 998) str[998] = 0;
1854 char *cptr = strrchr(str, ',');
1857 char *lptr = strchr(cptr, '<');
1858 char *rptr = strchr(cptr, '>');
1860 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1866 void OutputCtdlMsgHeaders(
1867 struct CtdlMessage *TheMessage,
1868 int do_proto) /* do Citadel protocol responses? */
1874 char display_name[256];
1876 /* begin header processing loop for Citadel message format */
1877 safestrncpy(display_name, "<unknown>", sizeof display_name);
1878 if (TheMessage->cm_fields['A']) {
1879 strcpy(buf, TheMessage->cm_fields['A']);
1880 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1881 safestrncpy(display_name, "****", sizeof display_name);
1883 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1884 safestrncpy(display_name, "anonymous", sizeof display_name);
1887 safestrncpy(display_name, buf, sizeof display_name);
1889 if ((is_room_aide())
1890 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1891 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1892 size_t tmp = strlen(display_name);
1893 snprintf(&display_name[tmp],
1894 sizeof display_name - tmp,
1899 /* Don't show Internet address for users on the
1900 * local Citadel network.
1903 if (TheMessage->cm_fields['N'] != NULL)
1904 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1905 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1909 /* Now spew the header fields in the order we like them. */
1910 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1911 for (i=0; i<n; ++i) {
1912 k = (int) allkeys[i];
1914 if ( (TheMessage->cm_fields[k] != NULL)
1915 && (msgkeys[k] != NULL) ) {
1916 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1917 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1920 if (do_proto) cprintf("%s=%s\n",
1924 else if ((k == 'F') && (suppress_f)) {
1927 /* Masquerade display name if needed */
1929 if (do_proto) cprintf("%s=%s\n",
1931 TheMessage->cm_fields[k]
1940 void OutputRFC822MsgHeaders(
1941 struct CtdlMessage *TheMessage,
1942 int flags, /* should the bessage be exported clean */
1944 char *mid, long sizeof_mid,
1945 char *suser, long sizeof_suser,
1946 char *luser, long sizeof_luser,
1947 char *fuser, long sizeof_fuser,
1948 char *snode, long sizeof_snode)
1950 char datestamp[100];
1951 int subject_found = 0;
1957 for (i = 0; i < 256; ++i) {
1958 if (TheMessage->cm_fields[i]) {
1959 mptr = mpptr = TheMessage->cm_fields[i];
1962 safestrncpy(luser, mptr, sizeof_luser);
1963 safestrncpy(suser, mptr, sizeof_suser);
1965 else if (i == 'Y') {
1966 if ((flags & QP_EADDR) != 0) {
1967 mptr = qp_encode_email_addrs(mptr);
1969 sanitize_truncated_recipient(mptr);
1970 cprintf("CC: %s%s", mptr, nl);
1972 else if (i == 'P') {
1973 cprintf("Return-Path: %s%s", mptr, nl);
1975 else if (i == 'L') {
1976 cprintf("List-ID: %s%s", mptr, nl);
1978 else if (i == 'V') {
1979 if ((flags & QP_EADDR) != 0)
1980 mptr = qp_encode_email_addrs(mptr);
1981 cprintf("Envelope-To: %s%s", mptr, nl);
1983 else if (i == 'U') {
1984 cprintf("Subject: %s%s", mptr, nl);
1988 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1990 safestrncpy(fuser, mptr, sizeof_fuser);
1991 /* else if (i == 'O')
1992 cprintf("X-Citadel-Room: %s%s",
1995 safestrncpy(snode, mptr, sizeof_snode);
1998 if (haschar(mptr, '@') == 0)
2000 sanitize_truncated_recipient(mptr);
2001 cprintf("To: %s@%s", mptr, config.c_fqdn);
2006 if ((flags & QP_EADDR) != 0) {
2007 mptr = qp_encode_email_addrs(mptr);
2009 sanitize_truncated_recipient(mptr);
2010 cprintf("To: %s", mptr);
2014 else if (i == 'T') {
2015 datestring(datestamp, sizeof datestamp,
2016 atol(mptr), DATESTRING_RFC822);
2017 cprintf("Date: %s%s", datestamp, nl);
2019 else if (i == 'W') {
2020 cprintf("References: ");
2021 k = num_tokens(mptr, '|');
2022 for (j=0; j<k; ++j) {
2023 extract_token(buf, mptr, j, '|', sizeof buf);
2024 cprintf("<%s>", buf);
2033 else if (i == 'K') {
2034 cprintf("Reply-To: <%s>%s", mptr, nl);
2040 if (subject_found == 0) {
2041 cprintf("Subject: (no subject)%s", nl);
2046 void Dump_RFC822HeadersBody(
2047 struct CtdlMessage *TheMessage,
2048 int headers_only, /* eschew the message body? */
2049 int flags, /* should the bessage be exported clean? */
2053 cit_uint8_t prev_ch;
2055 const char *StartOfText = StrBufNOTNULL;
2058 int nllen = strlen(nl);
2062 mptr = TheMessage->cm_fields['M'];
2066 while (*mptr != '\0') {
2067 if (*mptr == '\r') {
2074 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2076 eoh = *(mptr+1) == '\n';
2080 StartOfText = strchr(StartOfText, '\n');
2081 StartOfText = strchr(StartOfText, '\n');
2084 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2085 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2086 ((headers_only != HEADERS_NONE) &&
2087 (headers_only != HEADERS_ONLY))
2089 if (*mptr == '\n') {
2090 memcpy(&outbuf[outlen], nl, nllen);
2092 outbuf[outlen] = '\0';
2095 outbuf[outlen++] = *mptr;
2099 if (flags & ESC_DOT)
2101 if ((prev_ch == '\n') &&
2103 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2105 outbuf[outlen++] = '.';
2110 if (outlen > 1000) {
2111 if (client_write(outbuf, outlen) == -1)
2113 syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2120 rc = client_write(outbuf, outlen);
2127 /* If the format type on disk is 1 (fixed-format), then we want
2128 * everything to be output completely literally ... regardless of
2129 * what message transfer format is in use.
2131 void DumpFormatFixed(
2132 struct CtdlMessage *TheMessage,
2133 int mode, /* how would you like that message? */
2140 int nllen = strlen (nl);
2143 mptr = TheMessage->cm_fields['M'];
2145 if (mode == MT_MIME) {
2146 cprintf("Content-type: text/plain\n\n");
2150 while (ch = *mptr++, ch > 0) {
2154 if ((buflen > 250) && (!xlline)){
2158 while ((buflen > 0) &&
2159 (!isspace(buf[buflen])))
2165 mptr -= tbuflen - buflen;
2170 /* if we reach the outer bounds of our buffer,
2171 abort without respect what whe purge. */
2174 (buflen > SIZ - nllen - 2)))
2178 memcpy (&buf[buflen], nl, nllen);
2182 if (client_write(buf, buflen) == -1)
2184 syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2196 if (!IsEmptyStr(buf))
2197 cprintf("%s%s", buf, nl);
2201 * Get a message off disk. (returns om_* values found in msgbase.h)
2203 int CtdlOutputPreLoadedMsg(
2204 struct CtdlMessage *TheMessage,
2205 int mode, /* how would you like that message? */
2206 int headers_only, /* eschew the message body? */
2207 int do_proto, /* do Citadel protocol responses? */
2208 int crlf, /* Use CRLF newlines instead of LF? */
2209 int flags /* should the bessage be exported clean? */
2213 const char *nl; /* newline string */
2216 /* Buffers needed for RFC822 translation. These are all filled
2217 * using functions that are bounds-checked, and therefore we can
2218 * make them substantially smaller than SIZ.
2226 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2227 ((TheMessage == NULL) ? "NULL" : "not null"),
2228 mode, headers_only, do_proto, crlf);
2230 strcpy(mid, "unknown");
2231 nl = (crlf ? "\r\n" : "\n");
2233 if (!is_valid_message(TheMessage)) {
2235 "ERROR: invalid preloaded message for output\n");
2237 return(om_no_such_msg);
2240 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2241 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2243 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2244 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2247 /* Are we downloading a MIME component? */
2248 if (mode == MT_DOWNLOAD) {
2249 if (TheMessage->cm_format_type != FMT_RFC822) {
2251 cprintf("%d This is not a MIME message.\n",
2252 ERROR + ILLEGAL_VALUE);
2253 } else if (CC->download_fp != NULL) {
2254 if (do_proto) cprintf(
2255 "%d You already have a download open.\n",
2256 ERROR + RESOURCE_BUSY);
2258 /* Parse the message text component */
2259 mptr = TheMessage->cm_fields['M'];
2260 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2261 /* If there's no file open by this time, the requested
2262 * section wasn't found, so print an error
2264 if (CC->download_fp == NULL) {
2265 if (do_proto) cprintf(
2266 "%d Section %s not found.\n",
2267 ERROR + FILE_NOT_FOUND,
2268 CC->download_desired_section);
2271 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2274 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2275 * in a single server operation instead of opening a download file.
2277 if (mode == MT_SPEW_SECTION) {
2278 if (TheMessage->cm_format_type != FMT_RFC822) {
2280 cprintf("%d This is not a MIME message.\n",
2281 ERROR + ILLEGAL_VALUE);
2283 /* Parse the message text component */
2286 mptr = TheMessage->cm_fields['M'];
2287 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2288 /* If section wasn't found, print an error
2291 if (do_proto) cprintf(
2292 "%d Section %s not found.\n",
2293 ERROR + FILE_NOT_FOUND,
2294 CC->download_desired_section);
2297 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2300 /* now for the user-mode message reading loops */
2301 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2303 /* Does the caller want to skip the headers? */
2304 if (headers_only == HEADERS_NONE) goto START_TEXT;
2306 /* Tell the client which format type we're using. */
2307 if ( (mode == MT_CITADEL) && (do_proto) ) {
2308 cprintf("type=%d\n", TheMessage->cm_format_type);
2311 /* nhdr=yes means that we're only displaying headers, no body */
2312 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2313 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2316 cprintf("nhdr=yes\n");
2319 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2320 OutputCtdlMsgHeaders(TheMessage, do_proto);
2323 /* begin header processing loop for RFC822 transfer format */
2327 strcpy(snode, NODENAME);
2328 if (mode == MT_RFC822)
2329 OutputRFC822MsgHeaders(
2334 suser, sizeof(suser),
2335 luser, sizeof(luser),
2336 fuser, sizeof(fuser),
2337 snode, sizeof(snode)
2341 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2342 suser[i] = tolower(suser[i]);
2343 if (!isalnum(suser[i])) suser[i]='_';
2346 if (mode == MT_RFC822) {
2347 if (!strcasecmp(snode, NODENAME)) {
2348 safestrncpy(snode, FQDN, sizeof snode);
2351 /* Construct a fun message id */
2352 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2353 if (strchr(mid, '@')==NULL) {
2354 cprintf("@%s", snode);
2358 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2359 cprintf("From: \"----\" <x@x.org>%s", nl);
2361 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2362 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2364 else if (!IsEmptyStr(fuser)) {
2365 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2368 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2371 /* Blank line signifying RFC822 end-of-headers */
2372 if (TheMessage->cm_format_type != FMT_RFC822) {
2377 /* end header processing loop ... at this point, we're in the text */
2379 if (headers_only == HEADERS_FAST) goto DONE;
2381 /* Tell the client about the MIME parts in this message */
2382 if (TheMessage->cm_format_type == FMT_RFC822) {
2383 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2384 mptr = TheMessage->cm_fields['M'];
2385 memset(&ma, 0, sizeof(struct ma_info));
2386 mime_parser(mptr, NULL,
2387 (do_proto ? *list_this_part : NULL),
2388 (do_proto ? *list_this_pref : NULL),
2389 (do_proto ? *list_this_suff : NULL),
2392 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2393 Dump_RFC822HeadersBody(
2402 if (headers_only == HEADERS_ONLY) {
2406 /* signify start of msg text */
2407 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2408 if (do_proto) cprintf("text\n");
2411 if (TheMessage->cm_format_type == FMT_FIXED)
2414 mode, /* how would you like that message? */
2417 /* If the message on disk is format 0 (Citadel vari-format), we
2418 * output using the formatter at 80 columns. This is the final output
2419 * form if the transfer format is RFC822, but if the transfer format
2420 * is Citadel proprietary, it'll still work, because the indentation
2421 * for new paragraphs is correct and the client will reformat the
2422 * message to the reader's screen width.
2424 if (TheMessage->cm_format_type == FMT_CITADEL) {
2425 mptr = TheMessage->cm_fields['M'];
2427 if (mode == MT_MIME) {
2428 cprintf("Content-type: text/x-citadel-variformat\n\n");
2433 /* If the message on disk is format 4 (MIME), we've gotta hand it
2434 * off to the MIME parser. The client has already been told that
2435 * this message is format 1 (fixed format), so the callback function
2436 * we use will display those parts as-is.
2438 if (TheMessage->cm_format_type == FMT_RFC822) {
2439 memset(&ma, 0, sizeof(struct ma_info));
2441 if (mode == MT_MIME) {
2442 ma.use_fo_hooks = 0;
2443 strcpy(ma.chosen_part, "1");
2444 ma.chosen_pref = 9999;
2445 ma.dont_decode = CC->msg4_dont_decode;
2446 mime_parser(mptr, NULL,
2447 *choose_preferred, *fixed_output_pre,
2448 *fixed_output_post, (void *)&ma, 1);
2449 mime_parser(mptr, NULL,
2450 *output_preferred, NULL, NULL, (void *)&ma, 1);
2453 ma.use_fo_hooks = 1;
2454 mime_parser(mptr, NULL,
2455 *fixed_output, *fixed_output_pre,
2456 *fixed_output_post, (void *)&ma, 0);
2461 DONE: /* now we're done */
2462 if (do_proto) cprintf("000\n");
2468 * display a message (mode 0 - Citadel proprietary)
2470 void cmd_msg0(char *cmdbuf)
2473 int headers_only = HEADERS_ALL;
2475 msgid = extract_long(cmdbuf, 0);
2476 headers_only = extract_int(cmdbuf, 1);
2478 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2484 * display a message (mode 2 - RFC822)
2486 void cmd_msg2(char *cmdbuf)
2489 int headers_only = HEADERS_ALL;
2491 msgid = extract_long(cmdbuf, 0);
2492 headers_only = extract_int(cmdbuf, 1);
2494 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2500 * display a message (mode 3 - IGnet raw format - internal programs only)
2502 void cmd_msg3(char *cmdbuf)
2505 struct CtdlMessage *msg = NULL;
2508 if (CC->internal_pgm == 0) {
2509 cprintf("%d This command is for internal programs only.\n",
2510 ERROR + HIGHER_ACCESS_REQUIRED);
2514 msgnum = extract_long(cmdbuf, 0);
2515 msg = CtdlFetchMessage(msgnum, 1);
2517 cprintf("%d Message %ld not found.\n",
2518 ERROR + MESSAGE_NOT_FOUND, msgnum);
2522 serialize_message(&smr, msg);
2523 CtdlFreeMessage(msg);
2526 cprintf("%d Unable to serialize message\n",
2527 ERROR + INTERNAL_ERROR);
2531 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2532 client_write((char *)smr.ser, (int)smr.len);
2539 * Display a message using MIME content types
2541 void cmd_msg4(char *cmdbuf)
2546 msgid = extract_long(cmdbuf, 0);
2547 extract_token(section, cmdbuf, 1, '|', sizeof section);
2548 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2554 * Client tells us its preferred message format(s)
2556 void cmd_msgp(char *cmdbuf)
2558 if (!strcasecmp(cmdbuf, "dont_decode")) {
2559 CC->msg4_dont_decode = 1;
2560 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2563 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2564 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2570 * Open a component of a MIME message as a download file
2572 void cmd_opna(char *cmdbuf)
2575 char desired_section[128];
2577 msgid = extract_long(cmdbuf, 0);
2578 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2579 safestrncpy(CC->download_desired_section, desired_section,
2580 sizeof CC->download_desired_section);
2581 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2586 * Open a component of a MIME message and transmit it all at once
2588 void cmd_dlat(char *cmdbuf)
2591 char desired_section[128];
2593 msgid = extract_long(cmdbuf, 0);
2594 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2595 safestrncpy(CC->download_desired_section, desired_section,
2596 sizeof CC->download_desired_section);
2597 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2602 * Save one or more message pointers into a specified room
2603 * (Returns 0 for success, nonzero for failure)
2604 * roomname may be NULL to use the current room
2606 * Note that the 'supplied_msg' field may be set to NULL, in which case
2607 * the message will be fetched from disk, by number, if we need to perform
2608 * replication checks. This adds an additional database read, so if the
2609 * caller already has the message in memory then it should be supplied. (Obviously
2610 * this mode of operation only works if we're saving a single message.)
2612 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2613 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2616 char hold_rm[ROOMNAMELEN];
2617 struct cdbdata *cdbfr;
2620 long highest_msg = 0L;
2623 struct CtdlMessage *msg = NULL;
2625 long *msgs_to_be_merged = NULL;
2626 int num_msgs_to_be_merged = 0;
2629 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2630 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2633 strcpy(hold_rm, CC->room.QRname);
2636 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2637 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2638 if (num_newmsgs > 1) supplied_msg = NULL;
2640 /* Now the regular stuff */
2641 if (CtdlGetRoomLock(&CC->room,
2642 ((roomname != NULL) ? roomname : CC->room.QRname) )
2644 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2645 return(ERROR + ROOM_NOT_FOUND);
2649 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2650 num_msgs_to_be_merged = 0;
2653 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2654 if (cdbfr == NULL) {
2658 msglist = (long *) cdbfr->ptr;
2659 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2660 num_msgs = cdbfr->len / sizeof(long);
2665 /* Create a list of msgid's which were supplied by the caller, but do
2666 * not already exist in the target room. It is absolutely taboo to
2667 * have more than one reference to the same message in a room.
2669 for (i=0; i<num_newmsgs; ++i) {
2671 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2672 if (msglist[j] == newmsgidlist[i]) {
2677 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2681 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2684 * Now merge the new messages
2686 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2687 if (msglist == NULL) {
2688 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2690 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2691 num_msgs += num_msgs_to_be_merged;
2693 /* Sort the message list, so all the msgid's are in order */
2694 num_msgs = sort_msglist(msglist, num_msgs);
2696 /* Determine the highest message number */
2697 highest_msg = msglist[num_msgs - 1];
2699 /* Write it back to disk. */
2700 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2701 msglist, (int)(num_msgs * sizeof(long)));
2703 /* Free up the memory we used. */
2706 /* Update the highest-message pointer and unlock the room. */
2707 CC->room.QRhighest = highest_msg;
2708 CtdlPutRoomLock(&CC->room);
2710 /* Perform replication checks if necessary */
2711 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2712 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2714 for (i=0; i<num_msgs_to_be_merged; ++i) {
2715 msgid = msgs_to_be_merged[i];
2717 if (supplied_msg != NULL) {
2721 msg = CtdlFetchMessage(msgid, 0);
2725 ReplicationChecks(msg);
2727 /* If the message has an Exclusive ID, index that... */
2728 if (msg->cm_fields['E'] != NULL) {
2729 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2732 /* Free up the memory we may have allocated */
2733 if (msg != supplied_msg) {
2734 CtdlFreeMessage(msg);
2742 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2745 /* Submit this room for processing by hooks */
2746 PerformRoomHooks(&CC->room);
2748 /* Go back to the room we were in before we wandered here... */
2749 CtdlGetRoom(&CC->room, hold_rm);
2751 /* Bump the reference count for all messages which were merged */
2752 if (!suppress_refcount_adj) {
2753 for (i=0; i<num_msgs_to_be_merged; ++i) {
2754 AdjRefCount(msgs_to_be_merged[i], +1);
2758 /* Free up memory... */
2759 if (msgs_to_be_merged != NULL) {
2760 free(msgs_to_be_merged);
2763 /* Return success. */
2769 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2772 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2773 int do_repl_check, struct CtdlMessage *supplied_msg)
2775 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2782 * Message base operation to save a new message to the message store
2783 * (returns new message number)
2785 * This is the back end for CtdlSubmitMsg() and should not be directly
2786 * called by server-side modules.
2789 long send_message(struct CtdlMessage *msg) {
2797 /* Get a new message number */
2798 newmsgid = get_new_message_number();
2799 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2800 (long unsigned int) time(NULL),
2801 (long unsigned int) newmsgid,
2805 /* Generate an ID if we don't have one already */
2806 if (msg->cm_fields['I']==NULL) {
2807 msg->cm_fields['I'] = strdup(msgidbuf);
2810 /* If the message is big, set its body aside for storage elsewhere */
2811 if (msg->cm_fields['M'] != NULL) {
2812 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2814 holdM = msg->cm_fields['M'];
2815 msg->cm_fields['M'] = NULL;
2819 /* Serialize our data structure for storage in the database */
2820 serialize_message(&smr, msg);
2823 msg->cm_fields['M'] = holdM;
2827 cprintf("%d Unable to serialize message\n",
2828 ERROR + INTERNAL_ERROR);
2832 /* Write our little bundle of joy into the message base */
2833 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2834 smr.ser, smr.len) < 0) {
2835 syslog(LOG_ERR, "Can't store message\n");
2839 cdb_store(CDB_BIGMSGS,
2849 /* Free the memory we used for the serialized message */
2852 /* Return the *local* message ID to the caller
2853 * (even if we're storing an incoming network message)
2861 * Serialize a struct CtdlMessage into the format used on disk and network.
2863 * This function loads up a "struct ser_ret" (defined in server.h) which
2864 * contains the length of the serialized message and a pointer to the
2865 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2867 void serialize_message(struct ser_ret *ret, /* return values */
2868 struct CtdlMessage *msg) /* unserialized msg */
2870 size_t wlen, fieldlen;
2872 static char *forder = FORDER;
2875 * Check for valid message format
2877 if (is_valid_message(msg) == 0) {
2878 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2885 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2886 ret->len = ret->len +
2887 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2889 ret->ser = malloc(ret->len);
2890 if (ret->ser == NULL) {
2891 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2892 (long)ret->len, strerror(errno));
2899 ret->ser[1] = msg->cm_anon_type;
2900 ret->ser[2] = msg->cm_format_type;
2903 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2904 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2905 ret->ser[wlen++] = (char)forder[i];
2906 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2907 wlen = wlen + fieldlen + 1;
2909 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2910 (long)ret->len, (long)wlen);
2917 * Serialize a struct CtdlMessage into the format used on disk and network.
2919 * This function loads up a "struct ser_ret" (defined in server.h) which
2920 * contains the length of the serialized message and a pointer to the
2921 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2923 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2924 long Siz) /* how many chars ? */
2928 static char *forder = FORDER;
2932 * Check for valid message format
2934 if (is_valid_message(msg) == 0) {
2935 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2939 buf = (char*) malloc (Siz + 1);
2943 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2944 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2945 msg->cm_fields[(int)forder[i]]);
2946 if (client_write (buf, strlen(buf)) == -1)
2948 syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
2959 * Check to see if any messages already exist in the current room which
2960 * carry the same Exclusive ID as this one. If any are found, delete them.
2962 void ReplicationChecks(struct CtdlMessage *msg) {
2963 long old_msgnum = (-1L);
2965 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2967 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2970 /* No exclusive id? Don't do anything. */
2971 if (msg == NULL) return;
2972 if (msg->cm_fields['E'] == NULL) return;
2973 if (IsEmptyStr(msg->cm_fields['E'])) return;
2974 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2975 msg->cm_fields['E'], CC->room.QRname);*/
2977 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2978 if (old_msgnum > 0L) {
2979 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2980 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2987 * Save a message to disk and submit it into the delivery system.
2989 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2990 struct recptypes *recps, /* recipients (if mail) */
2991 const char *force, /* force a particular room? */
2992 int flags /* should the message be exported clean? */
2994 char submit_filename[128];
2995 char generated_timestamp[32];
2996 char hold_rm[ROOMNAMELEN];
2997 char actual_rm[ROOMNAMELEN];
2998 char force_room[ROOMNAMELEN];
2999 char content_type[SIZ]; /* We have to learn this */
3000 char recipient[SIZ];
3002 const char *mptr = NULL;
3003 struct ctdluser userbuf;
3005 struct MetaData smi;
3006 FILE *network_fp = NULL;
3007 static int seqnum = 1;
3008 struct CtdlMessage *imsg = NULL;
3010 size_t instr_alloc = 0;
3012 char *hold_R, *hold_D;
3013 char *collected_addresses = NULL;
3014 struct addresses_to_be_filed *aptr = NULL;
3015 StrBuf *saved_rfc822_version = NULL;
3016 int qualified_for_journaling = 0;
3017 CitContext *CCC = MyContext();
3018 char bounce_to[1024] = "";
3022 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3023 if (is_valid_message(msg) == 0) return(-1); /* self check */
3025 /* If this message has no timestamp, we take the liberty of
3026 * giving it one, right now.
3028 if (msg->cm_fields['T'] == NULL) {
3029 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3030 msg->cm_fields['T'] = strdup(generated_timestamp);
3033 /* If this message has no path, we generate one.
3035 if (msg->cm_fields['P'] == NULL) {
3036 if (msg->cm_fields['A'] != NULL) {
3037 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3038 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3039 if (isspace(msg->cm_fields['P'][a])) {
3040 msg->cm_fields['P'][a] = ' ';
3045 msg->cm_fields['P'] = strdup("unknown");
3049 if (force == NULL) {
3050 strcpy(force_room, "");
3053 strcpy(force_room, force);
3056 /* Learn about what's inside, because it's what's inside that counts */
3057 if (msg->cm_fields['M'] == NULL) {
3058 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3062 switch (msg->cm_format_type) {
3064 strcpy(content_type, "text/x-citadel-variformat");
3067 strcpy(content_type, "text/plain");
3070 strcpy(content_type, "text/plain");
3071 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3074 safestrncpy(content_type, &mptr[13], sizeof content_type);
3075 striplt(content_type);
3076 aptr = content_type;
3077 while (!IsEmptyStr(aptr)) {
3089 /* Goto the correct room */
3090 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3091 strcpy(hold_rm, CCC->room.QRname);
3092 strcpy(actual_rm, CCC->room.QRname);
3093 if (recps != NULL) {
3094 strcpy(actual_rm, SENTITEMS);
3097 /* If the user is a twit, move to the twit room for posting */
3099 if (CCC->user.axlevel == AxProbU) {
3100 strcpy(hold_rm, actual_rm);
3101 strcpy(actual_rm, config.c_twitroom);
3102 syslog(LOG_DEBUG, "Diverting to twit room\n");
3106 /* ...or if this message is destined for Aide> then go there. */
3107 if (!IsEmptyStr(force_room)) {
3108 strcpy(actual_rm, force_room);
3111 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3112 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3113 /* CtdlGetRoom(&CCC->room, actual_rm); */
3114 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3118 * If this message has no O (room) field, generate one.
3120 if (msg->cm_fields['O'] == NULL) {
3121 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3124 /* Perform "before save" hooks (aborting if any return nonzero) */
3125 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3126 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3129 * If this message has an Exclusive ID, and the room is replication
3130 * checking enabled, then do replication checks.
3132 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3133 ReplicationChecks(msg);
3136 /* Save it to disk */
3137 syslog(LOG_DEBUG, "Saving to disk\n");
3138 newmsgid = send_message(msg);
3139 if (newmsgid <= 0L) return(-5);
3141 /* Write a supplemental message info record. This doesn't have to
3142 * be a critical section because nobody else knows about this message
3145 syslog(LOG_DEBUG, "Creating MetaData record\n");
3146 memset(&smi, 0, sizeof(struct MetaData));
3147 smi.meta_msgnum = newmsgid;
3148 smi.meta_refcount = 0;
3149 safestrncpy(smi.meta_content_type, content_type,
3150 sizeof smi.meta_content_type);
3153 * Measure how big this message will be when rendered as RFC822.
3154 * We do this for two reasons:
3155 * 1. We need the RFC822 length for the new metadata record, so the
3156 * POP and IMAP services don't have to calculate message lengths
3157 * while the user is waiting (multiplied by potentially hundreds
3158 * or thousands of messages).
3159 * 2. If journaling is enabled, we will need an RFC822 version of the
3160 * message to attach to the journalized copy.
3162 if (CCC->redirect_buffer != NULL) {
3163 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3166 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3167 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3168 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3169 saved_rfc822_version = CCC->redirect_buffer;
3170 CCC->redirect_buffer = NULL;
3174 /* Now figure out where to store the pointers */
3175 syslog(LOG_DEBUG, "Storing pointers\n");
3177 /* If this is being done by the networker delivering a private
3178 * message, we want to BYPASS saving the sender's copy (because there
3179 * is no local sender; it would otherwise go to the Trashcan).
3181 if ((!CCC->internal_pgm) || (recps == NULL)) {
3182 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3183 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3184 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3188 /* For internet mail, drop a copy in the outbound queue room */
3189 if ((recps != NULL) && (recps->num_internet > 0)) {
3190 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3193 /* If other rooms are specified, drop them there too. */
3194 if ((recps != NULL) && (recps->num_room > 0))
3195 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3196 extract_token(recipient, recps->recp_room, i,
3197 '|', sizeof recipient);
3198 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3199 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3202 /* Bump this user's messages posted counter. */
3203 syslog(LOG_DEBUG, "Updating user\n");
3204 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3205 CCC->user.posted = CCC->user.posted + 1;
3206 CtdlPutUserLock(&CCC->user);
3208 /* Decide where bounces need to be delivered */
3209 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3210 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3212 else if (CCC->logged_in) {
3213 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3216 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3219 /* If this is private, local mail, make a copy in the
3220 * recipient's mailbox and bump the reference count.
3222 if ((recps != NULL) && (recps->num_local > 0))
3223 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3224 extract_token(recipient, recps->recp_local, i,
3225 '|', sizeof recipient);
3226 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3228 if (CtdlGetUser(&userbuf, recipient) == 0) {
3229 // Add a flag so the Funambol module knows its mail
3230 msg->cm_fields['W'] = strdup(recipient);
3231 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3232 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3233 CtdlBumpNewMailCounter(userbuf.usernum);
3234 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3235 /* Generate a instruction message for the Funambol notification
3236 * server, in the same style as the SMTP queue
3239 instr = malloc(instr_alloc);
3240 snprintf(instr, instr_alloc,
3241 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3243 SPOOLMIME, newmsgid, (long)time(NULL),
3247 imsg = malloc(sizeof(struct CtdlMessage));
3248 memset(imsg, 0, sizeof(struct CtdlMessage));
3249 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3250 imsg->cm_anon_type = MES_NORMAL;
3251 imsg->cm_format_type = FMT_RFC822;
3252 imsg->cm_fields['A'] = strdup("Citadel");
3253 imsg->cm_fields['J'] = strdup("do not journal");
3254 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3255 imsg->cm_fields['W'] = strdup(recipient);
3256 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3257 CtdlFreeMessage(imsg);
3261 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3262 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3267 /* Perform "after save" hooks */
3268 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3269 PerformMessageHooks(msg, EVT_AFTERSAVE);
3271 /* For IGnet mail, we have to save a new copy into the spooler for
3272 * each recipient, with the R and D fields set to the recipient and
3273 * destination-node. This has two ugly side effects: all other
3274 * recipients end up being unlisted in this recipient's copy of the
3275 * message, and it has to deliver multiple messages to the same
3276 * node. We'll revisit this again in a year or so when everyone has
3277 * a network spool receiver that can handle the new style messages.
3279 if ((recps != NULL) && (recps->num_ignet > 0))
3280 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3281 extract_token(recipient, recps->recp_ignet, i,
3282 '|', sizeof recipient);
3284 hold_R = msg->cm_fields['R'];
3285 hold_D = msg->cm_fields['D'];
3286 msg->cm_fields['R'] = malloc(SIZ);
3287 msg->cm_fields['D'] = malloc(128);
3288 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3289 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3291 serialize_message(&smr, msg);
3293 snprintf(submit_filename, sizeof submit_filename,
3294 "%s/netmail.%04lx.%04x.%04x",
3296 (long) getpid(), CCC->cs_pid, ++seqnum);
3297 network_fp = fopen(submit_filename, "wb+");
3298 if (network_fp != NULL) {
3299 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3305 free(msg->cm_fields['R']);
3306 free(msg->cm_fields['D']);
3307 msg->cm_fields['R'] = hold_R;
3308 msg->cm_fields['D'] = hold_D;
3311 /* Go back to the room we started from */
3312 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3313 if (strcasecmp(hold_rm, CCC->room.QRname))
3314 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3316 /* For internet mail, generate delivery instructions.
3317 * Yes, this is recursive. Deal with it. Infinite recursion does
3318 * not happen because the delivery instructions message does not
3319 * contain a recipient.
3321 if ((recps != NULL) && (recps->num_internet > 0)) {
3322 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3324 instr = malloc(instr_alloc);
3325 snprintf(instr, instr_alloc,
3326 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3328 SPOOLMIME, newmsgid, (long)time(NULL),
3332 if (recps->envelope_from != NULL) {
3333 tmp = strlen(instr);
3334 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3337 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3338 tmp = strlen(instr);
3339 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3340 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3341 instr_alloc = instr_alloc * 2;
3342 instr = realloc(instr, instr_alloc);
3344 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3347 imsg = malloc(sizeof(struct CtdlMessage));
3348 memset(imsg, 0, sizeof(struct CtdlMessage));
3349 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3350 imsg->cm_anon_type = MES_NORMAL;
3351 imsg->cm_format_type = FMT_RFC822;
3352 imsg->cm_fields['A'] = strdup("Citadel");
3353 imsg->cm_fields['J'] = strdup("do not journal");
3354 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3355 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3356 CtdlFreeMessage(imsg);
3360 * Any addresses to harvest for someone's address book?
3362 if ( (CCC->logged_in) && (recps != NULL) ) {
3363 collected_addresses = harvest_collected_addresses(msg);
3366 if (collected_addresses != NULL) {
3367 aptr = (struct addresses_to_be_filed *)
3368 malloc(sizeof(struct addresses_to_be_filed));
3369 CtdlMailboxName(actual_rm, sizeof actual_rm,
3370 &CCC->user, USERCONTACTSROOM);
3371 aptr->roomname = strdup(actual_rm);
3372 aptr->collected_addresses = collected_addresses;
3373 begin_critical_section(S_ATBF);
3376 end_critical_section(S_ATBF);
3380 * Determine whether this message qualifies for journaling.
3382 if (msg->cm_fields['J'] != NULL) {
3383 qualified_for_journaling = 0;
3386 if (recps == NULL) {
3387 qualified_for_journaling = config.c_journal_pubmsgs;
3389 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3390 qualified_for_journaling = config.c_journal_email;
3393 qualified_for_journaling = config.c_journal_pubmsgs;
3398 * Do we have to perform journaling? If so, hand off the saved
3399 * RFC822 version will be handed off to the journaler for background
3400 * submit. Otherwise, we have to free the memory ourselves.
3402 if (saved_rfc822_version != NULL) {
3403 if (qualified_for_journaling) {
3404 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3407 FreeStrBuf(&saved_rfc822_version);
3417 void aide_message (char *text, char *subject)
3419 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3424 * Convenience function for generating small administrative messages.
3426 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3427 int format_type, const char *subject)
3429 struct CtdlMessage *msg;
3430 struct recptypes *recp = NULL;
3432 msg = malloc(sizeof(struct CtdlMessage));
3433 memset(msg, 0, sizeof(struct CtdlMessage));
3434 msg->cm_magic = CTDLMESSAGE_MAGIC;
3435 msg->cm_anon_type = MES_NORMAL;
3436 msg->cm_format_type = format_type;
3439 msg->cm_fields['A'] = strdup(from);
3441 else if (fromaddr != NULL) {
3442 msg->cm_fields['A'] = strdup(fromaddr);
3443 if (strchr(msg->cm_fields['A'], '@')) {
3444 *strchr(msg->cm_fields['A'], '@') = 0;
3448 msg->cm_fields['A'] = strdup("Citadel");
3451 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3452 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3453 msg->cm_fields['N'] = strdup(NODENAME);
3455 msg->cm_fields['R'] = strdup(to);
3456 recp = validate_recipients(to, NULL, 0);
3458 if (subject != NULL) {
3459 msg->cm_fields['U'] = strdup(subject);
3461 msg->cm_fields['M'] = strdup(text);
3463 CtdlSubmitMsg(msg, recp, room, 0);
3464 CtdlFreeMessage(msg);
3465 if (recp != NULL) free_recipients(recp);
3471 * Back end function used by CtdlMakeMessage() and similar functions
3473 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3475 size_t maxlen, /* maximum message length */
3476 char *exist, /* if non-null, append to it;
3477 exist is ALWAYS freed */
3478 int crlf, /* CRLF newlines instead of LF */
3479 int *sock /* socket handle or 0 for this session's client socket */
3488 LineBuf = NewStrBufPlain(NULL, SIZ);
3489 if (exist == NULL) {
3490 Message = NewStrBufPlain(NULL, 4 * SIZ);
3493 Message = NewStrBufPlain(exist, -1);
3497 /* Do we need to change leading ".." to "." for SMTP escaping? */
3498 if ((tlen == 1) && (*terminator == '.')) {
3502 /* read in the lines of message text one by one */
3505 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3510 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3512 if ((StrLength(LineBuf) == tlen) &&
3513 (!strcmp(ChrPtr(LineBuf), terminator)))
3516 if ( (!flushing) && (!finished) ) {
3518 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3521 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3524 /* Unescape SMTP-style input of two dots at the beginning of the line */
3526 (StrLength(LineBuf) == 2) &&
3527 (!strcmp(ChrPtr(LineBuf), "..")))
3529 StrBufCutLeft(LineBuf, 1);
3532 StrBufAppendBuf(Message, LineBuf, 0);
3535 /* if we've hit the max msg length, flush the rest */
3536 if (StrLength(Message) >= maxlen) flushing = 1;
3538 } while (!finished);
3539 FreeStrBuf(&LineBuf);
3543 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3547 FreeStrBuf(&(*Msg)->MsgBuf);
3553 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3555 size_t maxlen, /* maximum message length */
3556 size_t expectlen, /* if we expect a message, how long should it be? */
3557 char *exist, /* if non-null, append to it;
3558 exist is ALWAYS freed */
3559 long eLen, /* length of exist */
3560 int crlf /* CRLF newlines instead of LF */
3563 ReadAsyncMsg *NewMsg;
3565 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3566 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3568 if (exist == NULL) {
3571 if (expectlen == 0) {
3575 len = expectlen + 10;
3577 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3580 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3583 /* Do we need to change leading ".." to "." for SMTP escaping? */
3584 if ((tlen == 1) && (*terminator == '.')) {
3588 NewMsg->terminator = terminator;
3589 NewMsg->tlen = tlen;
3591 NewMsg->maxlen = maxlen;
3593 NewMsg->crlf = crlf;
3599 * Back end function used by CtdlMakeMessage() and similar functions
3601 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3603 ReadAsyncMsg *ReadMsg;
3604 int MsgFinished = 0;
3605 eReadState Finished = eMustReadMore;
3610 const char *pch = ChrPtr(IO->SendBuf.Buf);
3611 const char *pchh = IO->SendBuf.ReadWritePointer;
3617 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3618 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3619 ((CitContext*)(IO->CitContext))->ServiceName,
3622 fd = fopen(fn, "a+");
3625 ReadMsg = IO->ReadMsg;
3627 /* read in the lines of message text one by one */
3629 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3632 case eMustReadMore: /// read new from socket...
3634 if (IO->RecvBuf.ReadWritePointer != NULL) {
3635 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3636 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3638 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3642 fprintf(fd, "BufferEmpty! \n");
3648 case eBufferNotEmpty: /* shouldn't happen... */
3649 case eReadSuccess: /// done for now...
3651 case eReadFail: /// WHUT?
3657 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3658 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3661 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3664 else if (!ReadMsg->flushing) {
3667 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3670 /* Unescape SMTP-style input of two dots at the beginning of the line */
3671 if ((ReadMsg->dodot) &&
3672 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3673 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3676 fprintf(fd, "UnEscaped!\n");
3678 StrBufCutLeft(IO->IOBuf, 1);
3681 if (ReadMsg->crlf) {
3682 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3685 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3688 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3691 /* if we've hit the max msg length, flush the rest */
3692 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3694 } while (!MsgFinished);
3697 fprintf(fd, "Done with reading; %s.\n, ",
3698 (MsgFinished)?"Message Finished": "FAILED");
3702 return eReadSuccess;
3709 * Back end function used by CtdlMakeMessage() and similar functions
3711 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3713 size_t maxlen, /* maximum message length */
3714 char *exist, /* if non-null, append to it;
3715 exist is ALWAYS freed */
3716 int crlf, /* CRLF newlines instead of LF */
3717 int *sock /* socket handle or 0 for this session's client socket */
3722 Message = CtdlReadMessageBodyBuf(terminator,
3728 if (Message == NULL)
3731 return SmashStrBuf(&Message);
3736 * Build a binary message to be saved on disk.
3737 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3738 * will become part of the message. This means you are no longer
3739 * responsible for managing that memory -- it will be freed along with
3740 * the rest of the fields when CtdlFreeMessage() is called.)
3743 struct CtdlMessage *CtdlMakeMessage(
3744 struct ctdluser *author, /* author's user structure */
3745 char *recipient, /* NULL if it's not mail */
3746 char *recp_cc, /* NULL if it's not mail */
3747 char *room, /* room where it's going */
3748 int type, /* see MES_ types in header file */
3749 int format_type, /* variformat, plain text, MIME... */
3750 char *fake_name, /* who we're masquerading as */
3751 char *my_email, /* which of my email addresses to use (empty is ok) */
3752 char *subject, /* Subject (optional) */
3753 char *supplied_euid, /* ...or NULL if this is irrelevant */
3754 char *preformatted_text, /* ...or NULL to read text from client */
3755 char *references /* Thread references */
3757 char dest_node[256];
3759 struct CtdlMessage *msg;
3761 StrBuf *FakeEncAuthor = NULL;
3763 msg = malloc(sizeof(struct CtdlMessage));
3764 memset(msg, 0, sizeof(struct CtdlMessage));
3765 msg->cm_magic = CTDLMESSAGE_MAGIC;
3766 msg->cm_anon_type = type;
3767 msg->cm_format_type = format_type;
3769 /* Don't confuse the poor folks if it's not routed mail. */
3770 strcpy(dest_node, "");
3772 if (recipient != NULL) striplt(recipient);
3773 if (recp_cc != NULL) striplt(recp_cc);
3775 /* Path or Return-Path */
3776 if (my_email == NULL) my_email = "";
3778 if (!IsEmptyStr(my_email)) {
3779 msg->cm_fields['P'] = strdup(my_email);
3782 snprintf(buf, sizeof buf, "%s", author->fullname);
3783 msg->cm_fields['P'] = strdup(buf);
3785 convert_spaces_to_underscores(msg->cm_fields['P']);
3787 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3788 msg->cm_fields['T'] = strdup(buf);
3790 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3791 FakeAuthor = NewStrBufPlain (fake_name, -1);
3794 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3796 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3797 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3798 FreeStrBuf(&FakeAuthor);
3800 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3801 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3804 msg->cm_fields['O'] = strdup(CC->room.QRname);
3807 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3808 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3810 if ((recipient != NULL) && (recipient[0] != 0)) {
3811 msg->cm_fields['R'] = strdup(recipient);
3813 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3814 msg->cm_fields['Y'] = strdup(recp_cc);
3816 if (dest_node[0] != 0) {
3817 msg->cm_fields['D'] = strdup(dest_node);
3820 if (!IsEmptyStr(my_email)) {
3821 msg->cm_fields['F'] = strdup(my_email);
3823 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3824 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3827 if (subject != NULL) {
3830 length = strlen(subject);
3836 while ((subject[i] != '\0') &&
3837 (IsAscii = isascii(subject[i]) != 0 ))
3840 msg->cm_fields['U'] = strdup(subject);
3841 else /* ok, we've got utf8 in the string. */
3843 msg->cm_fields['U'] = rfc2047encode(subject, length);
3849 if (supplied_euid != NULL) {
3850 msg->cm_fields['E'] = strdup(supplied_euid);
3853 if (references != NULL) {
3854 if (!IsEmptyStr(references)) {
3855 msg->cm_fields['W'] = strdup(references);
3859 if (preformatted_text != NULL) {
3860 msg->cm_fields['M'] = preformatted_text;
3863 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3871 * Check to see whether we have permission to post a message in the current
3872 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3873 * returns 0 on success.
3875 int CtdlDoIHavePermissionToPostInThisRoom(
3878 const char* RemoteIdentifier,
3884 if (!(CC->logged_in) &&
3885 (PostPublic == POST_LOGGED_IN)) {
3886 snprintf(errmsgbuf, n, "Not logged in.");
3887 return (ERROR + NOT_LOGGED_IN);
3889 else if (PostPublic == CHECK_EXISTANCE) {
3890 return (0); // We're Evaling whether a recipient exists
3892 else if (!(CC->logged_in)) {
3894 if ((CC->room.QRflags & QR_READONLY)) {
3895 snprintf(errmsgbuf, n, "Not logged in.");
3896 return (ERROR + NOT_LOGGED_IN);
3898 if (CC->room.QRflags2 & QR2_MODERATED) {
3899 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3900 return (ERROR + NOT_LOGGED_IN);
3902 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3907 if (RemoteIdentifier == NULL)
3909 snprintf(errmsgbuf, n, "Need sender to permit access.");
3910 return (ERROR + USERNAME_REQUIRED);
3913 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3914 begin_critical_section(S_NETCONFIGS);
3915 if (!read_spoolcontrol_file(&sc, filename))
3917 end_critical_section(S_NETCONFIGS);
3918 snprintf(errmsgbuf, n,
3919 "This mailing list only accepts posts from subscribers.");
3920 return (ERROR + NO_SUCH_USER);
3922 end_critical_section(S_NETCONFIGS);
3923 found = is_recipient (sc, RemoteIdentifier);
3924 free_spoolcontrol_struct(&sc);
3929 snprintf(errmsgbuf, n,
3930 "This mailing list only accepts posts from subscribers.");
3931 return (ERROR + NO_SUCH_USER);
3938 if ((CC->user.axlevel < AxProbU)
3939 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3940 snprintf(errmsgbuf, n, "Need to be validated to enter "
3941 "(except in %s> to sysop)", MAILROOM);
3942 return (ERROR + HIGHER_ACCESS_REQUIRED);
3945 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3947 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3949 * To be thorough, we ought to check to see if the message they are
3950 * replying to is actually a valid one in this room, but unless this
3951 * actually becomes a problem we'll go with high performance instead.
3953 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3954 return (ERROR + HIGHER_ACCESS_REQUIRED);
3957 else if (!(ra & UA_POSTALLOWED)) {
3958 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3959 return (ERROR + HIGHER_ACCESS_REQUIRED);
3962 strcpy(errmsgbuf, "Ok");
3968 * Check to see if the specified user has Internet mail permission
3969 * (returns nonzero if permission is granted)
3971 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3973 /* Do not allow twits to send Internet mail */
3974 if (who->axlevel <= AxProbU) return(0);
3976 /* Globally enabled? */
3977 if (config.c_restrict == 0) return(1);
3979 /* User flagged ok? */
3980 if (who->flags & US_INTERNET) return(2);
3982 /* Aide level access? */
3983 if (who->axlevel >= AxAideU) return(3);
3985 /* No mail for you! */
3991 * Validate recipients, count delivery types and errors, and handle aliasing
3992 * FIXME check for dupes!!!!!
3994 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3995 * were specified, or the number of addresses found invalid.
3997 * Caller needs to free the result using free_recipients()
3999 struct recptypes *validate_recipients(const char *supplied_recipients,
4000 const char *RemoteIdentifier,
4002 struct recptypes *ret;
4003 char *recipients = NULL;
4004 char this_recp[256];
4005 char this_recp_cooked[256];
4011 struct ctdluser tempUS;
4012 struct ctdlroom tempQR;
4013 struct ctdlroom tempQR2;
4019 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4020 if (ret == NULL) return(NULL);
4022 /* Set all strings to null and numeric values to zero */
4023 memset(ret, 0, sizeof(struct recptypes));
4025 if (supplied_recipients == NULL) {
4026 recipients = strdup("");
4029 recipients = strdup(supplied_recipients);
4032 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4033 * actually need, but it's healthier for the heap than doing lots of tiny
4034 * realloc() calls instead.
4037 ret->errormsg = malloc(strlen(recipients) + 1024);
4038 ret->recp_local = malloc(strlen(recipients) + 1024);
4039 ret->recp_internet = malloc(strlen(recipients) + 1024);
4040 ret->recp_ignet = malloc(strlen(recipients) + 1024);
4041 ret->recp_room = malloc(strlen(recipients) + 1024);
4042 ret->display_recp = malloc(strlen(recipients) + 1024);
4044 ret->errormsg[0] = 0;
4045 ret->recp_local[0] = 0;
4046 ret->recp_internet[0] = 0;
4047 ret->recp_ignet[0] = 0;
4048 ret->recp_room[0] = 0;
4049 ret->display_recp[0] = 0;
4051 ret->recptypes_magic = RECPTYPES_MAGIC;
4053 /* Change all valid separator characters to commas */
4054 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4055 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4056 recipients[i] = ',';
4060 /* Now start extracting recipients... */
4062 while (!IsEmptyStr(recipients)) {
4064 for (i=0; i<=strlen(recipients); ++i) {
4065 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4066 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4067 safestrncpy(this_recp, recipients, i+1);
4069 if (recipients[i] == ',') {
4070 strcpy(recipients, &recipients[i+1]);
4073 strcpy(recipients, "");
4080 if (IsEmptyStr(this_recp))
4082 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4084 mailtype = alias(this_recp);
4085 mailtype = alias(this_recp);
4086 mailtype = alias(this_recp);
4088 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
4089 if (this_recp[j]=='_') {
4090 this_recp_cooked[j] = ' ';
4093 this_recp_cooked[j] = this_recp[j];
4096 this_recp_cooked[j] = '\0';
4101 if (!strcasecmp(this_recp, "sysop")) {
4103 strcpy(this_recp, config.c_aideroom);
4104 if (!IsEmptyStr(ret->recp_room)) {
4105 strcat(ret->recp_room, "|");
4107 strcat(ret->recp_room, this_recp);
4109 else if ( (!strncasecmp(this_recp, "room_", 5))
4110 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4112 /* Save room so we can restore it later */
4116 /* Check permissions to send mail to this room */
4117 err = CtdlDoIHavePermissionToPostInThisRoom(
4122 0 /* 0 = not a reply */
4131 if (!IsEmptyStr(ret->recp_room)) {
4132 strcat(ret->recp_room, "|");
4134 strcat(ret->recp_room, &this_recp_cooked[5]);
4137 /* Restore room in case something needs it */
4141 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4143 strcpy(this_recp, tempUS.fullname);
4144 if (!IsEmptyStr(ret->recp_local)) {
4145 strcat(ret->recp_local, "|");
4147 strcat(ret->recp_local, this_recp);
4149 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4151 strcpy(this_recp, tempUS.fullname);
4152 if (!IsEmptyStr(ret->recp_local)) {
4153 strcat(ret->recp_local, "|");
4155 strcat(ret->recp_local, this_recp);
4163 /* Yes, you're reading this correctly: if the target
4164 * domain points back to the local system or an attached
4165 * Citadel directory, the address is invalid. That's
4166 * because if the address were valid, we would have
4167 * already translated it to a local address by now.
4169 if (IsDirectory(this_recp, 0)) {
4174 ++ret->num_internet;
4175 if (!IsEmptyStr(ret->recp_internet)) {
4176 strcat(ret->recp_internet, "|");
4178 strcat(ret->recp_internet, this_recp);
4183 if (!IsEmptyStr(ret->recp_ignet)) {
4184 strcat(ret->recp_ignet, "|");
4186 strcat(ret->recp_ignet, this_recp);
4194 if (IsEmptyStr(errmsg)) {
4195 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4198 snprintf(append, sizeof append, "%s", errmsg);
4200 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4201 if (!IsEmptyStr(ret->errormsg)) {
4202 strcat(ret->errormsg, "; ");
4204 strcat(ret->errormsg, append);
4208 if (IsEmptyStr(ret->display_recp)) {
4209 strcpy(append, this_recp);
4212 snprintf(append, sizeof append, ", %s", this_recp);
4214 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4215 strcat(ret->display_recp, append);
4220 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4221 ret->num_room + ret->num_error) == 0) {
4222 ret->num_error = (-1);
4223 strcpy(ret->errormsg, "No recipients specified.");
4226 syslog(LOG_DEBUG, "validate_recipients()\n");
4227 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4228 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4229 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4230 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4231 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4239 * Destructor for struct recptypes
4241 void free_recipients(struct recptypes *valid) {
4243 if (valid == NULL) {
4247 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4248 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4252 if (valid->errormsg != NULL) free(valid->errormsg);
4253 if (valid->recp_local != NULL) free(valid->recp_local);
4254 if (valid->recp_internet != NULL) free(valid->recp_internet);
4255 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4256 if (valid->recp_room != NULL) free(valid->recp_room);
4257 if (valid->display_recp != NULL) free(valid->display_recp);
4258 if (valid->bounce_to != NULL) free(valid->bounce_to);
4259 if (valid->envelope_from != NULL) free(valid->envelope_from);
4266 * message entry - mode 0 (normal)
4268 void cmd_ent0(char *entargs)
4274 char supplied_euid[128];
4276 int format_type = 0;
4277 char newusername[256];
4278 char newuseremail[256];
4279 struct CtdlMessage *msg;
4283 struct recptypes *valid = NULL;
4284 struct recptypes *valid_to = NULL;
4285 struct recptypes *valid_cc = NULL;
4286 struct recptypes *valid_bcc = NULL;
4288 int subject_required = 0;
4293 int newuseremail_ok = 0;
4294 char references[SIZ];
4299 post = extract_int(entargs, 0);
4300 extract_token(recp, entargs, 1, '|', sizeof recp);
4301 anon_flag = extract_int(entargs, 2);
4302 format_type = extract_int(entargs, 3);
4303 extract_token(subject, entargs, 4, '|', sizeof subject);
4304 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4305 do_confirm = extract_int(entargs, 6);
4306 extract_token(cc, entargs, 7, '|', sizeof cc);
4307 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4308 switch(CC->room.QRdefaultview) {
4311 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4314 supplied_euid[0] = 0;
4317 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4318 extract_token(references, entargs, 11, '|', sizeof references);
4319 for (ptr=references; *ptr != 0; ++ptr) {
4320 if (*ptr == '!') *ptr = '|';
4323 /* first check to make sure the request is valid. */
4325 err = CtdlDoIHavePermissionToPostInThisRoom(
4330 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4334 cprintf("%d %s\n", err, errmsg);
4338 /* Check some other permission type things. */
4340 if (IsEmptyStr(newusername)) {
4341 strcpy(newusername, CC->user.fullname);
4343 if ( (CC->user.axlevel < AxAideU)
4344 && (strcasecmp(newusername, CC->user.fullname))
4345 && (strcasecmp(newusername, CC->cs_inet_fn))
4347 cprintf("%d You don't have permission to author messages as '%s'.\n",
4348 ERROR + HIGHER_ACCESS_REQUIRED,
4355 if (IsEmptyStr(newuseremail)) {
4356 newuseremail_ok = 1;
4359 if (!IsEmptyStr(newuseremail)) {
4360 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4361 newuseremail_ok = 1;
4363 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4364 j = num_tokens(CC->cs_inet_other_emails, '|');
4365 for (i=0; i<j; ++i) {
4366 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4367 if (!strcasecmp(newuseremail, buf)) {
4368 newuseremail_ok = 1;
4374 if (!newuseremail_ok) {
4375 cprintf("%d You don't have permission to author messages as '%s'.\n",
4376 ERROR + HIGHER_ACCESS_REQUIRED,
4382 CC->cs_flags |= CS_POSTING;
4384 /* In mailbox rooms we have to behave a little differently --
4385 * make sure the user has specified at least one recipient. Then
4386 * validate the recipient(s). We do this for the Mail> room, as
4387 * well as any room which has the "Mailbox" view set - unless it
4388 * is the DRAFTS room which does not require recipients
4391 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4392 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4393 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4394 if (CC->user.axlevel < AxProbU) {
4395 strcpy(recp, "sysop");
4400 valid_to = validate_recipients(recp, NULL, 0);
4401 if (valid_to->num_error > 0) {
4402 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4403 free_recipients(valid_to);
4407 valid_cc = validate_recipients(cc, NULL, 0);
4408 if (valid_cc->num_error > 0) {
4409 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4410 free_recipients(valid_to);
4411 free_recipients(valid_cc);
4415 valid_bcc = validate_recipients(bcc, NULL, 0);
4416 if (valid_bcc->num_error > 0) {
4417 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4418 free_recipients(valid_to);
4419 free_recipients(valid_cc);
4420 free_recipients(valid_bcc);
4424 /* Recipient required, but none were specified */
4425 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4426 free_recipients(valid_to);
4427 free_recipients(valid_cc);
4428 free_recipients(valid_bcc);
4429 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4433 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4434 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4435 cprintf("%d You do not have permission "
4436 "to send Internet mail.\n",
4437 ERROR + HIGHER_ACCESS_REQUIRED);
4438 free_recipients(valid_to);
4439 free_recipients(valid_cc);
4440 free_recipients(valid_bcc);
4445 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)
4446 && (CC->user.axlevel < AxNetU) ) {
4447 cprintf("%d Higher access required for network mail.\n",
4448 ERROR + HIGHER_ACCESS_REQUIRED);
4449 free_recipients(valid_to);
4450 free_recipients(valid_cc);
4451 free_recipients(valid_bcc);
4455 if ((RESTRICT_INTERNET == 1)
4456 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4457 && ((CC->user.flags & US_INTERNET) == 0)
4458 && (!CC->internal_pgm)) {
4459 cprintf("%d You don't have access to Internet mail.\n",
4460 ERROR + HIGHER_ACCESS_REQUIRED);
4461 free_recipients(valid_to);
4462 free_recipients(valid_cc);
4463 free_recipients(valid_bcc);
4469 /* Is this a room which has anonymous-only or anonymous-option? */
4470 anonymous = MES_NORMAL;
4471 if (CC->room.QRflags & QR_ANONONLY) {
4472 anonymous = MES_ANONONLY;
4474 if (CC->room.QRflags & QR_ANONOPT) {
4475 if (anon_flag == 1) { /* only if the user requested it */
4476 anonymous = MES_ANONOPT;
4480 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4484 /* Recommend to the client that the use of a message subject is
4485 * strongly recommended in this room, if either the SUBJECTREQ flag
4486 * is set, or if there is one or more Internet email recipients.
4488 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4489 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4490 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4491 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4493 /* If we're only checking the validity of the request, return
4494 * success without creating the message.
4497 cprintf("%d %s|%d\n", CIT_OK,
4498 ((valid_to != NULL) ? valid_to->display_recp : ""),
4500 free_recipients(valid_to);
4501 free_recipients(valid_cc);
4502 free_recipients(valid_bcc);
4506 /* We don't need these anymore because we'll do it differently below */
4507 free_recipients(valid_to);
4508 free_recipients(valid_cc);
4509 free_recipients(valid_bcc);
4511 /* Read in the message from the client. */
4513 cprintf("%d send message\n", START_CHAT_MODE);
4515 cprintf("%d send message\n", SEND_LISTING);
4518 msg = CtdlMakeMessage(&CC->user, recp, cc,
4519 CC->room.QRname, anonymous, format_type,
4520 newusername, newuseremail, subject,
4521 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4524 /* Put together one big recipients struct containing to/cc/bcc all in
4525 * one. This is for the envelope.
4527 char *all_recps = malloc(SIZ * 3);
4528 strcpy(all_recps, recp);
4529 if (!IsEmptyStr(cc)) {
4530 if (!IsEmptyStr(all_recps)) {
4531 strcat(all_recps, ",");
4533 strcat(all_recps, cc);
4535 if (!IsEmptyStr(bcc)) {
4536 if (!IsEmptyStr(all_recps)) {
4537 strcat(all_recps, ",");
4539 strcat(all_recps, bcc);
4541 if (!IsEmptyStr(all_recps)) {
4542 valid = validate_recipients(all_recps, NULL, 0);
4550 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4553 cprintf("%ld\n", msgnum);
4555 cprintf("Message accepted.\n");
4558 cprintf("Internal error.\n");
4560 if (msg->cm_fields['E'] != NULL) {
4561 cprintf("%s\n", msg->cm_fields['E']);
4568 CtdlFreeMessage(msg);
4570 if (valid != NULL) {
4571 free_recipients(valid);
4579 * API function to delete messages which match a set of criteria
4580 * (returns the actual number of messages deleted)
4582 int CtdlDeleteMessages(char *room_name, /* which room */
4583 long *dmsgnums, /* array of msg numbers to be deleted */
4584 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4585 char *content_type /* or "" for any. regular expressions expected. */
4588 struct ctdlroom qrbuf;
4589 struct cdbdata *cdbfr;
4590 long *msglist = NULL;
4591 long *dellist = NULL;
4594 int num_deleted = 0;
4596 struct MetaData smi;
4599 int need_to_free_re = 0;
4601 if (content_type) if (!IsEmptyStr(content_type)) {
4602 regcomp(&re, content_type, 0);
4603 need_to_free_re = 1;
4605 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4606 room_name, num_dmsgnums, content_type);
4608 /* get room record, obtaining a lock... */
4609 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4610 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4612 if (need_to_free_re) regfree(&re);
4613 return (0); /* room not found */
4615 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4617 if (cdbfr != NULL) {
4618 dellist = malloc(cdbfr->len);
4619 msglist = (long *) cdbfr->ptr;
4620 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4621 num_msgs = cdbfr->len / sizeof(long);
4625 for (i = 0; i < num_msgs; ++i) {
4628 /* Set/clear a bit for each criterion */
4630 /* 0 messages in the list or a null list means that we are
4631 * interested in deleting any messages which meet the other criteria.
4633 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4634 delete_this |= 0x01;
4637 for (j=0; j<num_dmsgnums; ++j) {
4638 if (msglist[i] == dmsgnums[j]) {
4639 delete_this |= 0x01;
4644 if (IsEmptyStr(content_type)) {
4645 delete_this |= 0x02;
4647 GetMetaData(&smi, msglist[i]);
4648 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4649 delete_this |= 0x02;
4653 /* Delete message only if all bits are set */
4654 if (delete_this == 0x03) {
4655 dellist[num_deleted++] = msglist[i];
4660 num_msgs = sort_msglist(msglist, num_msgs);
4661 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4662 msglist, (int)(num_msgs * sizeof(long)));
4665 qrbuf.QRhighest = msglist[num_msgs - 1];
4667 qrbuf.QRhighest = 0;
4669 CtdlPutRoomLock(&qrbuf);
4671 /* Go through the messages we pulled out of the index, and decrement
4672 * their reference counts by 1. If this is the only room the message
4673 * was in, the reference count will reach zero and the message will
4674 * automatically be deleted from the database. We do this in a
4675 * separate pass because there might be plug-in hooks getting called,
4676 * and we don't want that happening during an S_ROOMS critical
4679 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4680 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4681 AdjRefCount(dellist[i], -1);
4684 /* Now free the memory we used, and go away. */
4685 if (msglist != NULL) free(msglist);
4686 if (dellist != NULL) free(dellist);
4687 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4688 if (need_to_free_re) regfree(&re);
4689 return (num_deleted);
4695 * Check whether the current user has permission to delete messages from
4696 * the current room (returns 1 for yes, 0 for no)
4698 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4700 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4701 if (ra & UA_DELETEALLOWED) return(1);
4709 * Delete message from current room
4711 void cmd_dele(char *args)
4720 extract_token(msgset, args, 0, '|', sizeof msgset);
4721 num_msgs = num_tokens(msgset, ',');
4723 cprintf("%d Nothing to do.\n", CIT_OK);
4727 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4728 cprintf("%d Higher access required.\n",
4729 ERROR + HIGHER_ACCESS_REQUIRED);
4734 * Build our message set to be moved/copied
4736 msgs = malloc(num_msgs * sizeof(long));
4737 for (i=0; i<num_msgs; ++i) {
4738 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4739 msgs[i] = atol(msgtok);
4742 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4746 cprintf("%d %d message%s deleted.\n", CIT_OK,
4747 num_deleted, ((num_deleted != 1) ? "s" : ""));
4749 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4757 * move or copy a message to another room
4759 void cmd_move(char *args)
4766 char targ[ROOMNAMELEN];
4767 struct ctdlroom qtemp;
4774 extract_token(msgset, args, 0, '|', sizeof msgset);
4775 num_msgs = num_tokens(msgset, ',');
4777 cprintf("%d Nothing to do.\n", CIT_OK);
4781 extract_token(targ, args, 1, '|', sizeof targ);
4782 convert_room_name_macros(targ, sizeof targ);
4783 targ[ROOMNAMELEN - 1] = 0;
4784 is_copy = extract_int(args, 2);
4786 if (CtdlGetRoom(&qtemp, targ) != 0) {
4787 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4791 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4792 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4796 CtdlGetUser(&CC->user, CC->curr_user);
4797 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4799 /* Check for permission to perform this operation.
4800 * Remember: "CC->room" is source, "qtemp" is target.
4804 /* Aides can move/copy */
4805 if (CC->user.axlevel >= AxAideU) permit = 1;
4807 /* Room aides can move/copy */
4808 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4810 /* Permit move/copy from personal rooms */
4811 if ((CC->room.QRflags & QR_MAILBOX)
4812 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4814 /* Permit only copy from public to personal room */
4816 && (!(CC->room.QRflags & QR_MAILBOX))
4817 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4819 /* Permit message removal from collaborative delete rooms */
4820 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4822 /* Users allowed to post into the target room may move into it too. */
4823 if ((CC->room.QRflags & QR_MAILBOX) &&
4824 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4826 /* User must have access to target room */
4827 if (!(ra & UA_KNOWN)) permit = 0;
4830 cprintf("%d Higher access required.\n",
4831 ERROR + HIGHER_ACCESS_REQUIRED);
4836 * Build our message set to be moved/copied
4838 msgs = malloc(num_msgs * sizeof(long));
4839 for (i=0; i<num_msgs; ++i) {
4840 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4841 msgs[i] = atol(msgtok);
4847 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4849 cprintf("%d Cannot store message(s) in %s: error %d\n",
4855 /* Now delete the message from the source room,
4856 * if this is a 'move' rather than a 'copy' operation.
4859 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4863 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4869 * GetMetaData() - Get the supplementary record for a message
4871 void GetMetaData(struct MetaData *smibuf, long msgnum)
4874 struct cdbdata *cdbsmi;
4877 memset(smibuf, 0, sizeof(struct MetaData));
4878 smibuf->meta_msgnum = msgnum;
4879 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4881 /* Use the negative of the message number for its supp record index */
4882 TheIndex = (0L - msgnum);
4884 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4885 if (cdbsmi == NULL) {
4886 return; /* record not found; go with defaults */
4888 memcpy(smibuf, cdbsmi->ptr,
4889 ((cdbsmi->len > sizeof(struct MetaData)) ?
4890 sizeof(struct MetaData) : cdbsmi->len));
4897 * PutMetaData() - (re)write supplementary record for a message
4899 void PutMetaData(struct MetaData *smibuf)
4903 /* Use the negative of the message number for the metadata db index */
4904 TheIndex = (0L - smibuf->meta_msgnum);
4906 cdb_store(CDB_MSGMAIN,
4907 &TheIndex, (int)sizeof(long),
4908 smibuf, (int)sizeof(struct MetaData));
4913 * AdjRefCount - submit an adjustment to the reference count for a message.
4914 * (These are just queued -- we actually process them later.)
4916 void AdjRefCount(long msgnum, int incr)
4918 struct arcq new_arcq;
4921 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4925 begin_critical_section(S_SUPPMSGMAIN);
4926 if (arcfp == NULL) {
4927 arcfp = fopen(file_arcq, "ab+");
4929 end_critical_section(S_SUPPMSGMAIN);
4931 /* msgnum < 0 means that we're trying to close the file */
4933 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4934 begin_critical_section(S_SUPPMSGMAIN);
4935 if (arcfp != NULL) {
4939 end_critical_section(S_SUPPMSGMAIN);
4944 * If we can't open the queue, perform the operation synchronously.
4946 if (arcfp == NULL) {
4947 TDAP_AdjRefCount(msgnum, incr);
4951 new_arcq.arcq_msgnum = msgnum;
4952 new_arcq.arcq_delta = incr;
4953 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4961 * TDAP_ProcessAdjRefCountQueue()
4963 * Process the queue of message count adjustments that was created by calls
4964 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4965 * for each one. This should be an "off hours" operation.
4967 int TDAP_ProcessAdjRefCountQueue(void)
4969 char file_arcq_temp[PATH_MAX];
4972 struct arcq arcq_rec;
4973 int num_records_processed = 0;
4975 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4977 begin_critical_section(S_SUPPMSGMAIN);
4978 if (arcfp != NULL) {
4983 r = link(file_arcq, file_arcq_temp);
4985 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4986 end_critical_section(S_SUPPMSGMAIN);
4987 return(num_records_processed);
4991 end_critical_section(S_SUPPMSGMAIN);
4993 fp = fopen(file_arcq_temp, "rb");
4995 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4996 return(num_records_processed);
4999 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5000 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5001 ++num_records_processed;
5005 r = unlink(file_arcq_temp);
5007 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5010 return(num_records_processed);
5016 * TDAP_AdjRefCount - adjust the reference count for a message.
5017 * This one does it "for real" because it's called by
5018 * the autopurger function that processes the queue
5019 * created by AdjRefCount(). If a message's reference
5020 * count becomes zero, we also delete the message from
5021 * disk and de-index it.
5023 void TDAP_AdjRefCount(long msgnum, int incr)
5026 struct MetaData smi;
5029 /* This is a *tight* critical section; please keep it that way, as
5030 * it may get called while nested in other critical sections.
5031 * Complicating this any further will surely cause deadlock!
5033 begin_critical_section(S_SUPPMSGMAIN);
5034 GetMetaData(&smi, msgnum);
5035 smi.meta_refcount += incr;
5037 end_critical_section(S_SUPPMSGMAIN);
5038 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5039 msgnum, incr, smi.meta_refcount
5042 /* If the reference count is now zero, delete the message
5043 * (and its supplementary record as well).
5045 if (smi.meta_refcount == 0) {
5046 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5048 /* Call delete hooks with NULL room to show it has gone altogether */
5049 PerformDeleteHooks(NULL, msgnum);
5051 /* Remove from message base */
5053 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5054 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5056 /* Remove metadata record */
5057 delnum = (0L - msgnum);
5058 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5064 * Write a generic object to this room
5066 * Note: this could be much more efficient. Right now we use two temporary
5067 * files, and still pull the message into memory as with all others.
5069 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5070 char *content_type, /* MIME type of this object */
5071 char *raw_message, /* Data to be written */
5072 off_t raw_length, /* Size of raw_message */
5073 struct ctdluser *is_mailbox, /* Mailbox room? */
5074 int is_binary, /* Is encoding necessary? */
5075 int is_unique, /* Del others of this type? */
5076 unsigned int flags /* Internal save flags */
5080 struct ctdlroom qrbuf;
5081 char roomname[ROOMNAMELEN];
5082 struct CtdlMessage *msg;
5083 char *encoded_message = NULL;
5085 if (is_mailbox != NULL) {
5086 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5089 safestrncpy(roomname, req_room, sizeof(roomname));
5092 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5095 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5098 encoded_message = malloc((size_t)(raw_length + 4096));
5101 sprintf(encoded_message, "Content-type: %s\n", content_type);
5104 sprintf(&encoded_message[strlen(encoded_message)],
5105 "Content-transfer-encoding: base64\n\n"
5109 sprintf(&encoded_message[strlen(encoded_message)],
5110 "Content-transfer-encoding: 7bit\n\n"
5116 &encoded_message[strlen(encoded_message)],
5124 &encoded_message[strlen(encoded_message)],
5130 syslog(LOG_DEBUG, "Allocating\n");
5131 msg = malloc(sizeof(struct CtdlMessage));
5132 memset(msg, 0, sizeof(struct CtdlMessage));
5133 msg->cm_magic = CTDLMESSAGE_MAGIC;
5134 msg->cm_anon_type = MES_NORMAL;
5135 msg->cm_format_type = 4;
5136 msg->cm_fields['A'] = strdup(CC->user.fullname);
5137 msg->cm_fields['O'] = strdup(req_room);
5138 msg->cm_fields['N'] = strdup(config.c_nodename);
5139 msg->cm_fields['H'] = strdup(config.c_humannode);
5140 msg->cm_flags = flags;
5142 msg->cm_fields['M'] = encoded_message;
5144 /* Create the requested room if we have to. */
5145 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5146 CtdlCreateRoom(roomname,
5147 ( (is_mailbox != NULL) ? 5 : 3 ),
5148 "", 0, 1, 0, VIEW_BBS);
5150 /* If the caller specified this object as unique, delete all
5151 * other objects of this type that are currently in the room.
5154 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5155 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5158 /* Now write the data */
5159 CtdlSubmitMsg(msg, NULL, roomname, 0);
5160 CtdlFreeMessage(msg);
5168 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5169 config_msgnum = msgnum;
5173 char *CtdlGetSysConfig(char *sysconfname) {
5174 char hold_rm[ROOMNAMELEN];
5177 struct CtdlMessage *msg;
5180 strcpy(hold_rm, CC->room.QRname);
5181 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5182 CtdlGetRoom(&CC->room, hold_rm);
5187 /* We want the last (and probably only) config in this room */
5188 begin_critical_section(S_CONFIG);
5189 config_msgnum = (-1L);
5190 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5191 CtdlGetSysConfigBackend, NULL);
5192 msgnum = config_msgnum;
5193 end_critical_section(S_CONFIG);
5199 msg = CtdlFetchMessage(msgnum, 1);
5201 conf = strdup(msg->cm_fields['M']);
5202 CtdlFreeMessage(msg);
5209 CtdlGetRoom(&CC->room, hold_rm);
5211 if (conf != NULL) do {
5212 extract_token(buf, conf, 0, '\n', sizeof buf);
5213 strcpy(conf, &conf[strlen(buf)+1]);
5214 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5220 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5221 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5226 * Determine whether a given Internet address belongs to the current user
5228 int CtdlIsMe(char *addr, int addr_buf_len)
5230 struct recptypes *recp;
5233 recp = validate_recipients(addr, NULL, 0);
5234 if (recp == NULL) return(0);
5236 if (recp->num_local == 0) {
5237 free_recipients(recp);
5241 for (i=0; i<recp->num_local; ++i) {
5242 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5243 if (!strcasecmp(addr, CC->user.fullname)) {
5244 free_recipients(recp);
5249 free_recipients(recp);
5255 * Citadel protocol command to do the same
5257 void cmd_isme(char *argbuf) {
5260 if (CtdlAccessCheck(ac_logged_in)) return;
5261 extract_token(addr, argbuf, 0, '|', sizeof addr);
5263 if (CtdlIsMe(addr, sizeof addr)) {
5264 cprintf("%d %s\n", CIT_OK, addr);
5267 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5273 /*****************************************************************************/
5274 /* MODULE INITIALIZATION STUFF */
5275 /*****************************************************************************/
5277 CTDL_MODULE_INIT(msgbase)
5280 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5281 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5282 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5283 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5284 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5285 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5286 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5287 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5288 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5289 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5290 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5291 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5294 /* return our Subversion id for the Log */