2 * Implements the message store.
4 * Copyright (c) 1987-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #if TIME_WITH_SYS_TIME
28 # include <sys/time.h>
32 # include <sys/time.h>
45 #include <sys/types.h>
47 #include <libcitadel.h>
50 #include "serv_extensions.h"
54 #include "sysdep_decls.h"
55 #include "citserver.h"
62 #include "internet_addressing.h"
63 #include "euidindex.h"
64 #include "journaling.h"
65 #include "citadel_dirs.h"
66 #include "clientsocket.h"
67 #include "serv_network.h"
70 #include "ctdl_module.h"
73 struct addresses_to_be_filed *atbf = NULL;
75 /* This temp file holds the queue of operations for AdjRefCount() */
76 static FILE *arcfp = NULL;
79 * This really belongs in serv_network.c, but I don't know how to export
80 * symbols between modules.
82 struct FilterList *filterlist = NULL;
86 * These are the four-character field headers we use when outputting
87 * messages in Citadel format (as opposed to RFC822 format).
90 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
91 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
92 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
93 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
96 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
126 * This function is self explanatory.
127 * (What can I say, I'm in a weird mood today...)
129 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
133 for (i = 0; i < strlen(name); ++i) {
134 if (name[i] == '@') {
135 while (isspace(name[i - 1]) && i > 0) {
136 strcpy(&name[i - 1], &name[i]);
139 while (isspace(name[i + 1])) {
140 strcpy(&name[i + 1], &name[i + 2]);
148 * Aliasing for network mail.
149 * (Error messages have been commented out, because this is a server.)
151 int alias(char *name)
152 { /* process alias and routing info for mail */
155 char aaa[SIZ], bbb[SIZ];
156 char *ignetcfg = NULL;
157 char *ignetmap = NULL;
163 char original_name[256];
164 safestrncpy(original_name, name, sizeof original_name);
167 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
168 stripallbut(name, '<', '>');
170 fp = fopen(file_mail_aliases, "r");
172 fp = fopen("/dev/null", "r");
179 while (fgets(aaa, sizeof aaa, fp) != NULL) {
180 while (isspace(name[0]))
181 strcpy(name, &name[1]);
182 aaa[strlen(aaa) - 1] = 0;
184 for (a = 0; a < strlen(aaa); ++a) {
186 strcpy(bbb, &aaa[a + 1]);
190 if (!strcasecmp(name, aaa))
195 /* Hit the Global Address Book */
196 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
200 if (strcasecmp(original_name, name)) {
201 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
204 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
205 for (a=0; a<strlen(name); ++a) {
206 if (name[a] == '@') {
207 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
209 syslog(LOG_INFO, "Changed to <%s>\n", name);
214 /* determine local or remote type, see citadel.h */
215 at = haschar(name, '@');
216 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
217 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
218 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
220 /* figure out the delivery mode */
221 extract_token(node, name, 1, '@', sizeof node);
223 /* If there are one or more dots in the nodename, we assume that it
224 * is an FQDN and will attempt SMTP delivery to the Internet.
226 if (haschar(node, '.') > 0) {
227 return(MES_INTERNET);
230 /* Otherwise we look in the IGnet maps for a valid Citadel node.
231 * Try directly-connected nodes first...
233 ignetcfg = CtdlGetSysConfig(IGNETCFG);
234 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
235 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
236 extract_token(testnode, buf, 0, '|', sizeof testnode);
237 if (!strcasecmp(node, testnode)) {
245 * Then try nodes that are two or more hops away.
247 ignetmap = CtdlGetSysConfig(IGNETMAP);
248 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
249 extract_token(buf, ignetmap, i, '\n', sizeof buf);
250 extract_token(testnode, buf, 0, '|', sizeof testnode);
251 if (!strcasecmp(node, testnode)) {
258 /* If we get to this point it's an invalid node name */
264 * Back end for the MSGS command: output message number only.
266 void simple_listing(long msgnum, void *userdata)
268 cprintf("%ld\n", msgnum);
274 * Back end for the MSGS command: output header summary.
276 void headers_listing(long msgnum, void *userdata)
278 struct CtdlMessage *msg;
280 msg = CtdlFetchMessage(msgnum, 0);
282 cprintf("%ld|0|||||\n", msgnum);
286 cprintf("%ld|%s|%s|%s|%s|%s|\n",
288 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
289 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
290 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
291 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
292 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
294 CtdlFreeMessage(msg);
298 * Back end for the MSGS command: output EUID header.
300 void headers_euid(long msgnum, void *userdata)
302 struct CtdlMessage *msg;
304 msg = CtdlFetchMessage(msgnum, 0);
306 cprintf("%ld||\n", msgnum);
310 cprintf("%ld|%s|%s\n",
312 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
313 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
314 CtdlFreeMessage(msg);
321 /* Determine if a given message matches the fields in a message template.
322 * Return 0 for a successful match.
324 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
327 /* If there aren't any fields in the template, all messages will
330 if (template == NULL) return(0);
332 /* Null messages are bogus. */
333 if (msg == NULL) return(1);
335 for (i='A'; i<='Z'; ++i) {
336 if (template->cm_fields[i] != NULL) {
337 if (msg->cm_fields[i] == NULL) {
338 /* Considered equal if temmplate is empty string */
339 if (IsEmptyStr(template->cm_fields[i])) continue;
342 if (strcasecmp(msg->cm_fields[i],
343 template->cm_fields[i])) return 1;
347 /* All compares succeeded: we have a match! */
354 * Retrieve the "seen" message list for the current room.
356 void CtdlGetSeen(char *buf, int which_set) {
359 /* Learn about the user and room in question */
360 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
362 if (which_set == ctdlsetseen_seen)
363 safestrncpy(buf, vbuf.v_seen, SIZ);
364 if (which_set == ctdlsetseen_answered)
365 safestrncpy(buf, vbuf.v_answered, SIZ);
371 * Manipulate the "seen msgs" string (or other message set strings)
373 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
374 int target_setting, int which_set,
375 struct ctdluser *which_user, struct ctdlroom *which_room) {
376 struct cdbdata *cdbfr;
390 char *is_set; /* actually an array of booleans */
392 /* Don't bother doing *anything* if we were passed a list of zero messages */
393 if (num_target_msgnums < 1) {
397 /* If no room was specified, we go with the current room. */
399 which_room = &CC->room;
402 /* If no user was specified, we go with the current user. */
404 which_user = &CC->user;
407 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
408 num_target_msgnums, target_msgnums[0],
409 (target_setting ? "SET" : "CLEAR"),
413 /* Learn about the user and room in question */
414 CtdlGetRelationship(&vbuf, which_user, which_room);
416 /* Load the message list */
417 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
419 msglist = (long *) cdbfr->ptr;
420 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
421 num_msgs = cdbfr->len / sizeof(long);
424 return; /* No messages at all? No further action. */
427 is_set = malloc(num_msgs * sizeof(char));
428 memset(is_set, 0, (num_msgs * sizeof(char)) );
430 /* Decide which message set we're manipulating */
432 case ctdlsetseen_seen:
433 vset = NewStrBufPlain(vbuf.v_seen, -1);
435 case ctdlsetseen_answered:
436 vset = NewStrBufPlain(vbuf.v_answered, -1);
443 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
444 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
445 for (i=0; i<num_msgs; ++i) {
446 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
448 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
449 for (k=0; k<num_target_msgnums; ++k) {
450 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
454 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
456 /* Translate the existing sequence set into an array of booleans */
457 setstr = NewStrBuf();
461 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
463 StrBufExtract_token(lostr, setstr, 0, ':');
464 if (StrBufNum_tokens(setstr, ':') >= 2) {
465 StrBufExtract_token(histr, setstr, 1, ':');
469 StrBufAppendBuf(histr, lostr, 0);
472 if (!strcmp(ChrPtr(histr), "*")) {
479 for (i = 0; i < num_msgs; ++i) {
480 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
490 /* Now translate the array of booleans back into a sequence set */
496 for (i=0; i<num_msgs; ++i) {
500 for (k=0; k<num_target_msgnums; ++k) {
501 if (msglist[i] == target_msgnums[k]) {
502 is_seen = target_setting;
506 if ((was_seen == 0) && (is_seen == 1)) {
509 else if ((was_seen == 1) && (is_seen == 0)) {
512 if (StrLength(vset) > 0) {
513 StrBufAppendBufPlain(vset, HKEY(","), 0);
516 StrBufAppendPrintf(vset, "%ld", hi);
519 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
523 if ((is_seen) && (i == num_msgs - 1)) {
524 if (StrLength(vset) > 0) {
525 StrBufAppendBufPlain(vset, HKEY(","), 0);
527 if ((i==0) || (was_seen == 0)) {
528 StrBufAppendPrintf(vset, "%ld", msglist[i]);
531 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
539 * We will have to stuff this string back into a 4096 byte buffer, so if it's
540 * larger than that now, truncate it by removing tokens from the beginning.
541 * The limit of 100 iterations is there to prevent an infinite loop in case
542 * something unexpected happens.
544 int number_of_truncations = 0;
545 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
546 StrBufRemove_token(vset, 0, ',');
547 ++number_of_truncations;
551 * If we're truncating the sequence set of messages marked with the 'seen' flag,
552 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
553 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
555 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
557 first_tok = NewStrBuf();
558 StrBufExtract_token(first_tok, vset, 0, ',');
559 StrBufRemove_token(vset, 0, ',');
561 if (StrBufNum_tokens(first_tok, ':') > 1) {
562 StrBufRemove_token(first_tok, 0, ':');
566 new_set = NewStrBuf();
567 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
568 StrBufAppendBuf(new_set, first_tok, 0);
569 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
570 StrBufAppendBuf(new_set, vset, 0);
573 FreeStrBuf(&first_tok);
577 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
579 /* Decide which message set we're manipulating */
581 case ctdlsetseen_seen:
582 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
584 case ctdlsetseen_answered:
585 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
591 CtdlSetRelationship(&vbuf, which_user, which_room);
597 * API function to perform an operation for each qualifying message in the
598 * current room. (Returns the number of messages processed.)
600 int CtdlForEachMessage(int mode, long ref, char *search_string,
602 struct CtdlMessage *compare,
603 ForEachMsgCallback CallBack,
609 struct cdbdata *cdbfr;
610 long *msglist = NULL;
612 int num_processed = 0;
615 struct CtdlMessage *msg = NULL;
618 int printed_lastold = 0;
619 int num_search_msgs = 0;
620 long *search_msgs = NULL;
622 int need_to_free_re = 0;
625 if ((content_type) && (!IsEmptyStr(content_type))) {
626 regcomp(&re, content_type, 0);
630 /* Learn about the user and room in question */
631 CtdlGetUser(&CC->user, CC->curr_user);
632 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
634 /* Load the message list */
635 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
637 if (need_to_free_re) regfree(&re);
638 return 0; /* No messages at all? No further action. */
641 msglist = (long *) cdbfr->ptr;
642 num_msgs = cdbfr->len / sizeof(long);
644 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
645 cdb_free(cdbfr); /* we own this memory now */
648 * Now begin the traversal.
650 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
652 /* If the caller is looking for a specific MIME type, filter
653 * out all messages which are not of the type requested.
655 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
657 /* This call to GetMetaData() sits inside this loop
658 * so that we only do the extra database read per msg
659 * if we need to. Doing the extra read all the time
660 * really kills the server. If we ever need to use
661 * metadata for another search criterion, we need to
662 * move the read somewhere else -- but still be smart
663 * enough to only do the read if the caller has
664 * specified something that will need it.
666 GetMetaData(&smi, msglist[a]);
668 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
669 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
675 num_msgs = sort_msglist(msglist, num_msgs);
677 /* If a template was supplied, filter out the messages which
678 * don't match. (This could induce some delays!)
681 if (compare != NULL) {
682 for (a = 0; a < num_msgs; ++a) {
683 msg = CtdlFetchMessage(msglist[a], 1);
685 if (CtdlMsgCmp(msg, compare)) {
688 CtdlFreeMessage(msg);
694 /* If a search string was specified, get a message list from
695 * the full text index and remove messages which aren't on both
699 * Since the lists are sorted and strictly ascending, and the
700 * output list is guaranteed to be shorter than or equal to the
701 * input list, we overwrite the bottom of the input list. This
702 * eliminates the need to memmove big chunks of the list over and
705 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
707 /* Call search module via hook mechanism.
708 * NULL means use any search function available.
709 * otherwise replace with a char * to name of search routine
711 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
713 if (num_search_msgs > 0) {
717 orig_num_msgs = num_msgs;
719 for (i=0; i<orig_num_msgs; ++i) {
720 for (j=0; j<num_search_msgs; ++j) {
721 if (msglist[i] == search_msgs[j]) {
722 msglist[num_msgs++] = msglist[i];
728 num_msgs = 0; /* No messages qualify */
730 if (search_msgs != NULL) free(search_msgs);
732 /* Now that we've purged messages which don't contain the search
733 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
740 * Now iterate through the message list, according to the
741 * criteria supplied by the caller.
744 for (a = 0; a < num_msgs; ++a) {
745 thismsg = msglist[a];
746 if (mode == MSGS_ALL) {
750 is_seen = is_msg_in_sequence_set(
751 vbuf.v_seen, thismsg);
752 if (is_seen) lastold = thismsg;
758 || ((mode == MSGS_OLD) && (is_seen))
759 || ((mode == MSGS_NEW) && (!is_seen))
760 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
761 || ((mode == MSGS_FIRST) && (a < ref))
762 || ((mode == MSGS_GT) && (thismsg > ref))
763 || ((mode == MSGS_LT) && (thismsg < ref))
764 || ((mode == MSGS_EQ) && (thismsg == ref))
767 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
769 CallBack(lastold, userdata);
773 if (CallBack) CallBack(thismsg, userdata);
777 if (need_to_free_re) regfree(&re);
780 * We cache the most recent msglist in order to do security checks later
782 if (CC->client_socket > 0) {
783 if (CC->cached_msglist != NULL) {
784 free(CC->cached_msglist);
786 CC->cached_msglist = msglist;
787 CC->cached_num_msgs = num_msgs;
793 return num_processed;
799 * cmd_msgs() - get list of message #'s in this room
800 * implements the MSGS server command using CtdlForEachMessage()
802 void cmd_msgs(char *cmdbuf)
811 int with_template = 0;
812 struct CtdlMessage *template = NULL;
813 char search_string[1024];
814 ForEachMsgCallback CallBack;
816 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
818 extract_token(which, cmdbuf, 0, '|', sizeof which);
819 cm_ref = extract_int(cmdbuf, 1);
820 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
821 with_template = extract_int(cmdbuf, 2);
822 switch (extract_int(cmdbuf, 3))
826 CallBack = simple_listing;
829 CallBack = headers_listing;
832 CallBack = headers_euid;
837 if (!strncasecmp(which, "OLD", 3))
839 else if (!strncasecmp(which, "NEW", 3))
841 else if (!strncasecmp(which, "FIRST", 5))
843 else if (!strncasecmp(which, "LAST", 4))
845 else if (!strncasecmp(which, "GT", 2))
847 else if (!strncasecmp(which, "LT", 2))
849 else if (!strncasecmp(which, "SEARCH", 6))
854 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
855 cprintf("%d Full text index is not enabled on this server.\n",
856 ERROR + CMD_NOT_SUPPORTED);
862 cprintf("%d Send template then receive message list\n",
864 template = (struct CtdlMessage *)
865 malloc(sizeof(struct CtdlMessage));
866 memset(template, 0, sizeof(struct CtdlMessage));
867 template->cm_magic = CTDLMESSAGE_MAGIC;
868 template->cm_anon_type = MES_NORMAL;
870 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
871 extract_token(tfield, buf, 0, '|', sizeof tfield);
872 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
873 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
874 if (!strcasecmp(tfield, msgkeys[i])) {
875 template->cm_fields[i] =
883 cprintf("%d \n", LISTING_FOLLOWS);
886 CtdlForEachMessage(mode,
887 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
888 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
893 if (template != NULL) CtdlFreeMessage(template);
901 * help_subst() - support routine for help file viewer
903 void help_subst(char *strbuf, char *source, char *dest)
908 while (p = pattern2(strbuf, source), (p >= 0)) {
909 strcpy(workbuf, &strbuf[p + strlen(source)]);
910 strcpy(&strbuf[p], dest);
911 strcat(strbuf, workbuf);
916 void do_help_subst(char *buffer)
920 help_subst(buffer, "^nodename", config.c_nodename);
921 help_subst(buffer, "^humannode", config.c_humannode);
922 help_subst(buffer, "^fqdn", config.c_fqdn);
923 help_subst(buffer, "^username", CC->user.fullname);
924 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
925 help_subst(buffer, "^usernum", buf2);
926 help_subst(buffer, "^sysadm", config.c_sysadm);
927 help_subst(buffer, "^variantname", CITADEL);
928 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
929 help_subst(buffer, "^maxsessions", buf2);
930 help_subst(buffer, "^bbsdir", ctdl_message_dir);
936 * memfmout() - Citadel text formatter and paginator.
937 * Although the original purpose of this routine was to format
938 * text to the reader's screen width, all we're really using it
939 * for here is to format text out to 80 columns before sending it
940 * to the client. The client software may reformat it again.
943 char *mptr, /* where are we going to get our text from? */
944 const char *nl /* string to terminate lines with */
947 unsigned char ch = 0;
954 while (ch=*(mptr++), ch != 0) {
957 if (client_write(outbuf, len) == -1)
959 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
963 if (client_write(nl, nllen) == -1)
965 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
970 else if (ch == '\r') {
971 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
973 else if (isspace(ch)) {
974 if (column > 72) { /* Beyond 72 columns, break on the next space */
975 if (client_write(outbuf, len) == -1)
977 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
981 if (client_write(nl, nllen) == -1)
983 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
996 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
997 if (client_write(outbuf, len) == -1)
999 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1003 if (client_write(nl, nllen) == -1)
1005 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1013 if (client_write(outbuf, len) == -1)
1015 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1019 client_write(nl, nllen);
1027 * Callback function for mime parser that simply lists the part
1029 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1030 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1031 char *cbid, void *cbuserdata)
1035 ma = (struct ma_info *)cbuserdata;
1036 if (ma->is_ma == 0) {
1037 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1050 * Callback function for multipart prefix
1052 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1053 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1054 char *cbid, void *cbuserdata)
1058 ma = (struct ma_info *)cbuserdata;
1059 if (!strcasecmp(cbtype, "multipart/alternative")) {
1063 if (ma->is_ma == 0) {
1064 cprintf("pref=%s|%s\n", partnum, cbtype);
1069 * Callback function for multipart sufffix
1071 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1072 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1073 char *cbid, void *cbuserdata)
1077 ma = (struct ma_info *)cbuserdata;
1078 if (ma->is_ma == 0) {
1079 cprintf("suff=%s|%s\n", partnum, cbtype);
1081 if (!strcasecmp(cbtype, "multipart/alternative")) {
1088 * Callback function for mime parser that opens a section for downloading
1090 void mime_download(char *name, char *filename, char *partnum, char *disp,
1091 void *content, char *cbtype, char *cbcharset, size_t length,
1092 char *encoding, char *cbid, void *cbuserdata)
1096 /* Silently go away if there's already a download open. */
1097 if (CC->download_fp != NULL)
1101 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1102 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1104 CC->download_fp = tmpfile();
1105 if (CC->download_fp == NULL)
1108 rv = fwrite(content, length, 1, CC->download_fp);
1109 fflush(CC->download_fp);
1110 rewind(CC->download_fp);
1112 OpenCmdResult(filename, cbtype);
1119 * Callback function for mime parser that outputs a section all at once.
1120 * We can specify the desired section by part number *or* content-id.
1122 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1123 void *content, char *cbtype, char *cbcharset, size_t length,
1124 char *encoding, char *cbid, void *cbuserdata)
1126 int *found_it = (int *)cbuserdata;
1129 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1130 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1133 cprintf("%d %d|-1|%s|%s|%s\n",
1140 client_write(content, length);
1146 * Load a message from disk into memory.
1147 * This is used by CtdlOutputMsg() and other fetch functions.
1149 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1150 * using the CtdlMessageFree() function.
1152 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1154 struct cdbdata *dmsgtext;
1155 struct CtdlMessage *ret = NULL;
1159 cit_uint8_t field_header;
1161 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1162 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1163 if (dmsgtext == NULL) {
1166 mptr = dmsgtext->ptr;
1167 upper_bound = mptr + dmsgtext->len;
1169 /* Parse the three bytes that begin EVERY message on disk.
1170 * The first is always 0xFF, the on-disk magic number.
1171 * The second is the anonymous/public type byte.
1172 * The third is the format type byte (vari, fixed, or MIME).
1176 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1180 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1181 memset(ret, 0, sizeof(struct CtdlMessage));
1183 ret->cm_magic = CTDLMESSAGE_MAGIC;
1184 ret->cm_anon_type = *mptr++; /* Anon type byte */
1185 ret->cm_format_type = *mptr++; /* Format type byte */
1188 * The rest is zero or more arbitrary fields. Load them in.
1189 * We're done when we encounter either a zero-length field or
1190 * have just processed the 'M' (message text) field.
1193 if (mptr >= upper_bound) {
1196 field_header = *mptr++;
1197 ret->cm_fields[field_header] = strdup(mptr);
1199 while (*mptr++ != 0); /* advance to next field */
1201 } while ((mptr < upper_bound) && (field_header != 'M'));
1205 /* Always make sure there's something in the msg text field. If
1206 * it's NULL, the message text is most likely stored separately,
1207 * so go ahead and fetch that. Failing that, just set a dummy
1208 * body so other code doesn't barf.
1210 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1211 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1212 if (dmsgtext != NULL) {
1213 ret->cm_fields['M'] = dmsgtext->ptr;
1214 dmsgtext->ptr = NULL;
1218 if (ret->cm_fields['M'] == NULL) {
1219 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1222 /* Perform "before read" hooks (aborting if any return nonzero) */
1223 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1224 CtdlFreeMessage(ret);
1233 * Returns 1 if the supplied pointer points to a valid Citadel message.
1234 * If the pointer is NULL or the magic number check fails, returns 0.
1236 int is_valid_message(struct CtdlMessage *msg) {
1239 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1240 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1248 * 'Destructor' for struct CtdlMessage
1250 void CtdlFreeMessage(struct CtdlMessage *msg)
1254 if (is_valid_message(msg) == 0)
1256 if (msg != NULL) free (msg);
1260 for (i = 0; i < 256; ++i)
1261 if (msg->cm_fields[i] != NULL) {
1262 free(msg->cm_fields[i]);
1265 msg->cm_magic = 0; /* just in case */
1271 * Pre callback function for multipart/alternative
1273 * NOTE: this differs from the standard behavior for a reason. Normally when
1274 * displaying multipart/alternative you want to show the _last_ usable
1275 * format in the message. Here we show the _first_ one, because it's
1276 * usually text/plain. Since this set of functions is designed for text
1277 * output to non-MIME-aware clients, this is the desired behavior.
1280 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1281 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1282 char *cbid, void *cbuserdata)
1286 ma = (struct ma_info *)cbuserdata;
1287 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1288 if (!strcasecmp(cbtype, "multipart/alternative")) {
1292 if (!strcasecmp(cbtype, "message/rfc822")) {
1298 * Post callback function for multipart/alternative
1300 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1301 void *content, char *cbtype, char *cbcharset, size_t length,
1302 char *encoding, char *cbid, void *cbuserdata)
1306 ma = (struct ma_info *)cbuserdata;
1307 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1308 if (!strcasecmp(cbtype, "multipart/alternative")) {
1312 if (!strcasecmp(cbtype, "message/rfc822")) {
1318 * Inline callback function for mime parser that wants to display text
1320 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1321 void *content, char *cbtype, char *cbcharset, size_t length,
1322 char *encoding, char *cbid, void *cbuserdata)
1329 ma = (struct ma_info *)cbuserdata;
1332 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1333 partnum, filename, cbtype, (long)length);
1336 * If we're in the middle of a multipart/alternative scope and
1337 * we've already printed another section, skip this one.
1339 if ( (ma->is_ma) && (ma->did_print) ) {
1340 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1345 if ( (!strcasecmp(cbtype, "text/plain"))
1346 || (IsEmptyStr(cbtype)) ) {
1349 client_write(wptr, length);
1350 if (wptr[length-1] != '\n') {
1357 if (!strcasecmp(cbtype, "text/html")) {
1358 ptr = html_to_ascii(content, length, 80, 0);
1360 client_write(ptr, wlen);
1361 if (ptr[wlen-1] != '\n') {
1368 if (ma->use_fo_hooks) {
1369 if (PerformFixedOutputHooks(cbtype, content, length)) {
1370 /* above function returns nonzero if it handled the part */
1375 if (strncasecmp(cbtype, "multipart/", 10)) {
1376 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1377 partnum, filename, cbtype, (long)length);
1383 * The client is elegant and sophisticated and wants to be choosy about
1384 * MIME content types, so figure out which multipart/alternative part
1385 * we're going to send.
1387 * We use a system of weights. When we find a part that matches one of the
1388 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1389 * and then set ma->chosen_pref to that MIME type's position in our preference
1390 * list. If we then hit another match, we only replace the first match if
1391 * the preference value is lower.
1393 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1394 void *content, char *cbtype, char *cbcharset, size_t length,
1395 char *encoding, char *cbid, void *cbuserdata)
1401 ma = (struct ma_info *)cbuserdata;
1403 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1404 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1405 // I don't know if there are any side effects! Please TEST TEST TEST
1406 //if (ma->is_ma > 0) {
1408 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1409 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1410 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1411 if (i < ma->chosen_pref) {
1412 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1413 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1414 ma->chosen_pref = i;
1421 * Now that we've chosen our preferred part, output it.
1423 void output_preferred(char *name,
1437 int add_newline = 0;
1440 char *decoded = NULL;
1441 size_t bytes_decoded;
1444 ma = (struct ma_info *)cbuserdata;
1446 /* This is not the MIME part you're looking for... */
1447 if (strcasecmp(partnum, ma->chosen_part)) return;
1449 /* If the content-type of this part is in our preferred formats
1450 * list, we can simply output it verbatim.
1452 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1453 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1454 if (!strcasecmp(buf, cbtype)) {
1455 /* Yeah! Go! W00t!! */
1456 if (ma->dont_decode == 0)
1457 rc = mime_decode_now (content,
1463 break; /* Give us the chance, maybe theres another one. */
1465 if (rc == 0) text_content = (char *)content;
1467 text_content = decoded;
1468 length = bytes_decoded;
1471 if (text_content[length-1] != '\n') {
1474 cprintf("Content-type: %s", cbtype);
1475 if (!IsEmptyStr(cbcharset)) {
1476 cprintf("; charset=%s", cbcharset);
1478 cprintf("\nContent-length: %d\n",
1479 (int)(length + add_newline) );
1480 if (!IsEmptyStr(encoding)) {
1481 cprintf("Content-transfer-encoding: %s\n", encoding);
1484 cprintf("Content-transfer-encoding: 7bit\n");
1486 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1488 if (client_write(text_content, length) == -1)
1490 syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1493 if (add_newline) cprintf("\n");
1494 if (decoded != NULL) free(decoded);
1499 /* No translations required or possible: output as text/plain */
1500 cprintf("Content-type: text/plain\n\n");
1502 if (ma->dont_decode == 0)
1503 rc = mime_decode_now (content,
1509 return; /* Give us the chance, maybe theres another one. */
1511 if (rc == 0) text_content = (char *)content;
1513 text_content = decoded;
1514 length = bytes_decoded;
1517 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1518 length, encoding, cbid, cbuserdata);
1519 if (decoded != NULL) free(decoded);
1524 char desired_section[64];
1531 * Callback function for
1533 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1534 void *content, char *cbtype, char *cbcharset, size_t length,
1535 char *encoding, char *cbid, void *cbuserdata)
1537 struct encapmsg *encap;
1539 encap = (struct encapmsg *)cbuserdata;
1541 /* Only proceed if this is the desired section... */
1542 if (!strcasecmp(encap->desired_section, partnum)) {
1543 encap->msglen = length;
1544 encap->msg = malloc(length + 2);
1545 memcpy(encap->msg, content, length);
1552 * Determine whether the specified message exists in the cached_msglist
1553 * (This is a security check)
1555 int check_cached_msglist(long msgnum) {
1557 /* cases in which we skip the check */
1558 if (!CC) return om_ok; /* not a session */
1559 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1560 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1561 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1564 /* Do a binary search within the cached_msglist for the requested msgnum */
1566 int max = (CC->cached_num_msgs - 1);
1568 while (max >= min) {
1569 int middle = min + (max-min) / 2 ;
1570 if (msgnum == CC->cached_msglist[middle]) {
1573 if (msgnum > CC->cached_msglist[middle]) {
1581 return om_access_denied;
1586 * Determine whether the currently logged in session has permission to read
1587 * messages in the current room.
1589 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1590 if ( (!(CC->logged_in))
1591 && (!(CC->internal_pgm))
1592 && (!config.c_guest_logins)
1594 return(om_not_logged_in);
1601 * Get a message off disk. (returns om_* values found in msgbase.h)
1604 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1605 int mode, /* how would you like that message? */
1606 int headers_only, /* eschew the message body? */
1607 int do_proto, /* do Citadel protocol responses? */
1608 int crlf, /* Use CRLF newlines instead of LF? */
1609 char *section, /* NULL or a message/rfc822 section */
1610 int flags /* various flags; see msgbase.h */
1612 struct CtdlMessage *TheMessage = NULL;
1613 int retcode = om_no_such_msg;
1614 struct encapmsg encap;
1617 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1619 (section ? section : "<>")
1622 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1625 if (r == om_not_logged_in) {
1626 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1629 cprintf("%d An unknown error has occurred.\n", ERROR);
1636 * Check to make sure the message is actually IN this room
1638 r = check_cached_msglist(msg_num);
1639 if (r == om_access_denied) {
1640 /* Not in the cache? We get ONE shot to check it again. */
1641 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1642 r = check_cached_msglist(msg_num);
1645 syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1646 msg_num, CC->room.QRname
1649 if (r == om_access_denied) {
1650 cprintf("%d message %ld was not found in this room\n",
1651 ERROR + HIGHER_ACCESS_REQUIRED,
1660 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1661 * request that we don't even bother loading the body into memory.
1663 if (headers_only == HEADERS_FAST) {
1664 TheMessage = CtdlFetchMessage(msg_num, 0);
1667 TheMessage = CtdlFetchMessage(msg_num, 1);
1670 if (TheMessage == NULL) {
1671 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1672 ERROR + MESSAGE_NOT_FOUND, msg_num);
1673 return(om_no_such_msg);
1676 /* Here is the weird form of this command, to process only an
1677 * encapsulated message/rfc822 section.
1679 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1680 memset(&encap, 0, sizeof encap);
1681 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1682 mime_parser(TheMessage->cm_fields['M'],
1684 *extract_encapsulated_message,
1685 NULL, NULL, (void *)&encap, 0
1687 CtdlFreeMessage(TheMessage);
1691 encap.msg[encap.msglen] = 0;
1692 TheMessage = convert_internet_message(encap.msg);
1693 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1695 /* Now we let it fall through to the bottom of this
1696 * function, because TheMessage now contains the
1697 * encapsulated message instead of the top-level
1698 * message. Isn't that neat?
1703 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1704 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1705 retcode = om_no_such_msg;
1710 /* Ok, output the message now */
1711 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1712 CtdlFreeMessage(TheMessage);
1718 char *qp_encode_email_addrs(char *source)
1720 char *user, *node, *name;
1721 const char headerStr[] = "=?UTF-8?Q?";
1725 int need_to_encode = 0;
1731 long nAddrPtrMax = 50;
1736 if (source == NULL) return source;
1737 if (IsEmptyStr(source)) return source;
1739 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1741 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1742 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1743 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1746 while (!IsEmptyStr (&source[i])) {
1747 if (nColons >= nAddrPtrMax){
1750 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1751 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1752 free (AddrPtr), AddrPtr = ptr;
1754 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1755 memset(&ptr[nAddrPtrMax], 0,
1756 sizeof (long) * nAddrPtrMax);
1758 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1759 free (AddrUtf8), AddrUtf8 = ptr;
1762 if (((unsigned char) source[i] < 32) ||
1763 ((unsigned char) source[i] > 126)) {
1765 AddrUtf8[nColons] = 1;
1767 if (source[i] == '"')
1768 InQuotes = !InQuotes;
1769 if (!InQuotes && source[i] == ',') {
1770 AddrPtr[nColons] = i;
1775 if (need_to_encode == 0) {
1782 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1783 Encoded = (char*) malloc (EncodedMaxLen);
1785 for (i = 0; i < nColons; i++)
1786 source[AddrPtr[i]++] = '\0';
1787 /* TODO: if libidn, this might get larger*/
1788 user = malloc(SourceLen + 1);
1789 node = malloc(SourceLen + 1);
1790 name = malloc(SourceLen + 1);
1794 for (i = 0; i < nColons && nPtr != NULL; i++) {
1795 nmax = EncodedMaxLen - (nPtr - Encoded);
1797 process_rfc822_addr(&source[AddrPtr[i]],
1801 /* TODO: libIDN here ! */
1802 if (IsEmptyStr(name)) {
1803 n = snprintf(nPtr, nmax,
1804 (i==0)?"%s@%s" : ",%s@%s",
1808 EncodedName = rfc2047encode(name, strlen(name));
1809 n = snprintf(nPtr, nmax,
1810 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1811 EncodedName, user, node);
1816 n = snprintf(nPtr, nmax,
1817 (i==0)?"%s" : ",%s",
1818 &source[AddrPtr[i]]);
1824 ptr = (char*) malloc(EncodedMaxLen * 2);
1825 memcpy(ptr, Encoded, EncodedMaxLen);
1826 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1827 free(Encoded), Encoded = ptr;
1829 i--; /* do it once more with properly lengthened buffer */
1832 for (i = 0; i < nColons; i++)
1833 source[--AddrPtr[i]] = ',';
1844 /* If the last item in a list of recipients was truncated to a partial address,
1845 * remove it completely in order to avoid choking libSieve
1847 void sanitize_truncated_recipient(char *str)
1850 if (num_tokens(str, ',') < 2) return;
1852 int len = strlen(str);
1853 if (len < 900) return;
1854 if (len > 998) str[998] = 0;
1856 char *cptr = strrchr(str, ',');
1859 char *lptr = strchr(cptr, '<');
1860 char *rptr = strchr(cptr, '>');
1862 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1868 void OutputCtdlMsgHeaders(
1869 struct CtdlMessage *TheMessage,
1870 int do_proto) /* do Citadel protocol responses? */
1876 char display_name[256];
1878 /* begin header processing loop for Citadel message format */
1879 safestrncpy(display_name, "<unknown>", sizeof display_name);
1880 if (TheMessage->cm_fields['A']) {
1881 strcpy(buf, TheMessage->cm_fields['A']);
1882 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1883 safestrncpy(display_name, "****", sizeof display_name);
1885 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1886 safestrncpy(display_name, "anonymous", sizeof display_name);
1889 safestrncpy(display_name, buf, sizeof display_name);
1891 if ((is_room_aide())
1892 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1893 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1894 size_t tmp = strlen(display_name);
1895 snprintf(&display_name[tmp],
1896 sizeof display_name - tmp,
1901 /* Don't show Internet address for users on the
1902 * local Citadel network.
1905 if (TheMessage->cm_fields['N'] != NULL)
1906 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1907 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1911 /* Now spew the header fields in the order we like them. */
1912 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1913 for (i=0; i<n; ++i) {
1914 k = (int) allkeys[i];
1916 if ( (TheMessage->cm_fields[k] != NULL)
1917 && (msgkeys[k] != NULL) ) {
1918 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1919 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1922 if (do_proto) cprintf("%s=%s\n",
1926 else if ((k == 'F') && (suppress_f)) {
1929 /* Masquerade display name if needed */
1931 if (do_proto) cprintf("%s=%s\n",
1933 TheMessage->cm_fields[k]
1942 void OutputRFC822MsgHeaders(
1943 struct CtdlMessage *TheMessage,
1944 int flags, /* should the bessage be exported clean */
1946 char *mid, long sizeof_mid,
1947 char *suser, long sizeof_suser,
1948 char *luser, long sizeof_luser,
1949 char *fuser, long sizeof_fuser,
1950 char *snode, long sizeof_snode)
1952 char datestamp[100];
1953 int subject_found = 0;
1959 for (i = 0; i < 256; ++i) {
1960 if (TheMessage->cm_fields[i]) {
1961 mptr = mpptr = TheMessage->cm_fields[i];
1964 safestrncpy(luser, mptr, sizeof_luser);
1965 safestrncpy(suser, mptr, sizeof_suser);
1967 else if (i == 'Y') {
1968 if ((flags & QP_EADDR) != 0) {
1969 mptr = qp_encode_email_addrs(mptr);
1971 sanitize_truncated_recipient(mptr);
1972 cprintf("CC: %s%s", mptr, nl);
1974 else if (i == 'P') {
1975 cprintf("Return-Path: %s%s", mptr, nl);
1977 else if (i == 'L') {
1978 cprintf("List-ID: %s%s", mptr, nl);
1980 else if (i == 'V') {
1981 if ((flags & QP_EADDR) != 0)
1982 mptr = qp_encode_email_addrs(mptr);
1983 cprintf("Envelope-To: %s%s", mptr, nl);
1985 else if (i == 'U') {
1986 cprintf("Subject: %s%s", mptr, nl);
1990 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1992 safestrncpy(fuser, mptr, sizeof_fuser);
1993 /* else if (i == 'O')
1994 cprintf("X-Citadel-Room: %s%s",
1997 safestrncpy(snode, mptr, sizeof_snode);
2000 if (haschar(mptr, '@') == 0)
2002 sanitize_truncated_recipient(mptr);
2003 cprintf("To: %s@%s", mptr, config.c_fqdn);
2008 if ((flags & QP_EADDR) != 0) {
2009 mptr = qp_encode_email_addrs(mptr);
2011 sanitize_truncated_recipient(mptr);
2012 cprintf("To: %s", mptr);
2016 else if (i == 'T') {
2017 datestring(datestamp, sizeof datestamp,
2018 atol(mptr), DATESTRING_RFC822);
2019 cprintf("Date: %s%s", datestamp, nl);
2021 else if (i == 'W') {
2022 cprintf("References: ");
2023 k = num_tokens(mptr, '|');
2024 for (j=0; j<k; ++j) {
2025 extract_token(buf, mptr, j, '|', sizeof buf);
2026 cprintf("<%s>", buf);
2035 else if (i == 'K') {
2036 cprintf("Reply-To: <%s>%s", mptr, nl);
2042 if (subject_found == 0) {
2043 cprintf("Subject: (no subject)%s", nl);
2048 void Dump_RFC822HeadersBody(
2049 struct CtdlMessage *TheMessage,
2050 int headers_only, /* eschew the message body? */
2051 int flags, /* should the bessage be exported clean? */
2055 cit_uint8_t prev_ch;
2057 const char *StartOfText = StrBufNOTNULL;
2060 int nllen = strlen(nl);
2064 mptr = TheMessage->cm_fields['M'];
2068 while (*mptr != '\0') {
2069 if (*mptr == '\r') {
2076 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2078 eoh = *(mptr+1) == '\n';
2082 StartOfText = strchr(StartOfText, '\n');
2083 StartOfText = strchr(StartOfText, '\n');
2086 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2087 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2088 ((headers_only != HEADERS_NONE) &&
2089 (headers_only != HEADERS_ONLY))
2091 if (*mptr == '\n') {
2092 memcpy(&outbuf[outlen], nl, nllen);
2094 outbuf[outlen] = '\0';
2097 outbuf[outlen++] = *mptr;
2101 if (flags & ESC_DOT)
2103 if ((prev_ch == '\n') &&
2105 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2107 outbuf[outlen++] = '.';
2112 if (outlen > 1000) {
2113 if (client_write(outbuf, outlen) == -1)
2115 syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2122 rc = client_write(outbuf, outlen);
2129 /* If the format type on disk is 1 (fixed-format), then we want
2130 * everything to be output completely literally ... regardless of
2131 * what message transfer format is in use.
2133 void DumpFormatFixed(
2134 struct CtdlMessage *TheMessage,
2135 int mode, /* how would you like that message? */
2142 int nllen = strlen (nl);
2145 mptr = TheMessage->cm_fields['M'];
2147 if (mode == MT_MIME) {
2148 cprintf("Content-type: text/plain\n\n");
2152 while (ch = *mptr++, ch > 0) {
2156 if ((buflen > 250) && (!xlline)){
2160 while ((buflen > 0) &&
2161 (!isspace(buf[buflen])))
2167 mptr -= tbuflen - buflen;
2172 /* if we reach the outer bounds of our buffer,
2173 abort without respect what whe purge. */
2176 (buflen > SIZ - nllen - 2)))
2180 memcpy (&buf[buflen], nl, nllen);
2184 if (client_write(buf, buflen) == -1)
2186 syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2198 if (!IsEmptyStr(buf))
2199 cprintf("%s%s", buf, nl);
2203 * Get a message off disk. (returns om_* values found in msgbase.h)
2205 int CtdlOutputPreLoadedMsg(
2206 struct CtdlMessage *TheMessage,
2207 int mode, /* how would you like that message? */
2208 int headers_only, /* eschew the message body? */
2209 int do_proto, /* do Citadel protocol responses? */
2210 int crlf, /* Use CRLF newlines instead of LF? */
2211 int flags /* should the bessage be exported clean? */
2215 const char *nl; /* newline string */
2218 /* Buffers needed for RFC822 translation. These are all filled
2219 * using functions that are bounds-checked, and therefore we can
2220 * make them substantially smaller than SIZ.
2228 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2229 ((TheMessage == NULL) ? "NULL" : "not null"),
2230 mode, headers_only, do_proto, crlf);
2232 strcpy(mid, "unknown");
2233 nl = (crlf ? "\r\n" : "\n");
2235 if (!is_valid_message(TheMessage)) {
2237 "ERROR: invalid preloaded message for output\n");
2239 return(om_no_such_msg);
2242 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2243 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2245 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2246 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2249 /* Are we downloading a MIME component? */
2250 if (mode == MT_DOWNLOAD) {
2251 if (TheMessage->cm_format_type != FMT_RFC822) {
2253 cprintf("%d This is not a MIME message.\n",
2254 ERROR + ILLEGAL_VALUE);
2255 } else if (CC->download_fp != NULL) {
2256 if (do_proto) cprintf(
2257 "%d You already have a download open.\n",
2258 ERROR + RESOURCE_BUSY);
2260 /* Parse the message text component */
2261 mptr = TheMessage->cm_fields['M'];
2262 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2263 /* If there's no file open by this time, the requested
2264 * section wasn't found, so print an error
2266 if (CC->download_fp == NULL) {
2267 if (do_proto) cprintf(
2268 "%d Section %s not found.\n",
2269 ERROR + FILE_NOT_FOUND,
2270 CC->download_desired_section);
2273 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2276 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2277 * in a single server operation instead of opening a download file.
2279 if (mode == MT_SPEW_SECTION) {
2280 if (TheMessage->cm_format_type != FMT_RFC822) {
2282 cprintf("%d This is not a MIME message.\n",
2283 ERROR + ILLEGAL_VALUE);
2285 /* Parse the message text component */
2288 mptr = TheMessage->cm_fields['M'];
2289 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2290 /* If section wasn't found, print an error
2293 if (do_proto) cprintf(
2294 "%d Section %s not found.\n",
2295 ERROR + FILE_NOT_FOUND,
2296 CC->download_desired_section);
2299 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2302 /* now for the user-mode message reading loops */
2303 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2305 /* Does the caller want to skip the headers? */
2306 if (headers_only == HEADERS_NONE) goto START_TEXT;
2308 /* Tell the client which format type we're using. */
2309 if ( (mode == MT_CITADEL) && (do_proto) ) {
2310 cprintf("type=%d\n", TheMessage->cm_format_type);
2313 /* nhdr=yes means that we're only displaying headers, no body */
2314 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2315 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2318 cprintf("nhdr=yes\n");
2321 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2322 OutputCtdlMsgHeaders(TheMessage, do_proto);
2325 /* begin header processing loop for RFC822 transfer format */
2329 strcpy(snode, NODENAME);
2330 if (mode == MT_RFC822)
2331 OutputRFC822MsgHeaders(
2336 suser, sizeof(suser),
2337 luser, sizeof(luser),
2338 fuser, sizeof(fuser),
2339 snode, sizeof(snode)
2343 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2344 suser[i] = tolower(suser[i]);
2345 if (!isalnum(suser[i])) suser[i]='_';
2348 if (mode == MT_RFC822) {
2349 if (!strcasecmp(snode, NODENAME)) {
2350 safestrncpy(snode, FQDN, sizeof snode);
2353 /* Construct a fun message id */
2354 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2355 if (strchr(mid, '@')==NULL) {
2356 cprintf("@%s", snode);
2360 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2361 cprintf("From: \"----\" <x@x.org>%s", nl);
2363 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2364 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2366 else if (!IsEmptyStr(fuser)) {
2367 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2370 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2373 /* Blank line signifying RFC822 end-of-headers */
2374 if (TheMessage->cm_format_type != FMT_RFC822) {
2379 /* end header processing loop ... at this point, we're in the text */
2381 if (headers_only == HEADERS_FAST) goto DONE;
2383 /* Tell the client about the MIME parts in this message */
2384 if (TheMessage->cm_format_type == FMT_RFC822) {
2385 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2386 mptr = TheMessage->cm_fields['M'];
2387 memset(&ma, 0, sizeof(struct ma_info));
2388 mime_parser(mptr, NULL,
2389 (do_proto ? *list_this_part : NULL),
2390 (do_proto ? *list_this_pref : NULL),
2391 (do_proto ? *list_this_suff : NULL),
2394 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2395 Dump_RFC822HeadersBody(
2404 if (headers_only == HEADERS_ONLY) {
2408 /* signify start of msg text */
2409 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2410 if (do_proto) cprintf("text\n");
2413 if (TheMessage->cm_format_type == FMT_FIXED)
2416 mode, /* how would you like that message? */
2419 /* If the message on disk is format 0 (Citadel vari-format), we
2420 * output using the formatter at 80 columns. This is the final output
2421 * form if the transfer format is RFC822, but if the transfer format
2422 * is Citadel proprietary, it'll still work, because the indentation
2423 * for new paragraphs is correct and the client will reformat the
2424 * message to the reader's screen width.
2426 if (TheMessage->cm_format_type == FMT_CITADEL) {
2427 mptr = TheMessage->cm_fields['M'];
2429 if (mode == MT_MIME) {
2430 cprintf("Content-type: text/x-citadel-variformat\n\n");
2435 /* If the message on disk is format 4 (MIME), we've gotta hand it
2436 * off to the MIME parser. The client has already been told that
2437 * this message is format 1 (fixed format), so the callback function
2438 * we use will display those parts as-is.
2440 if (TheMessage->cm_format_type == FMT_RFC822) {
2441 memset(&ma, 0, sizeof(struct ma_info));
2443 if (mode == MT_MIME) {
2444 ma.use_fo_hooks = 0;
2445 strcpy(ma.chosen_part, "1");
2446 ma.chosen_pref = 9999;
2447 ma.dont_decode = CC->msg4_dont_decode;
2448 mime_parser(mptr, NULL,
2449 *choose_preferred, *fixed_output_pre,
2450 *fixed_output_post, (void *)&ma, 1);
2451 mime_parser(mptr, NULL,
2452 *output_preferred, NULL, NULL, (void *)&ma, 1);
2455 ma.use_fo_hooks = 1;
2456 mime_parser(mptr, NULL,
2457 *fixed_output, *fixed_output_pre,
2458 *fixed_output_post, (void *)&ma, 0);
2463 DONE: /* now we're done */
2464 if (do_proto) cprintf("000\n");
2470 * display a message (mode 0 - Citadel proprietary)
2472 void cmd_msg0(char *cmdbuf)
2475 int headers_only = HEADERS_ALL;
2477 msgid = extract_long(cmdbuf, 0);
2478 headers_only = extract_int(cmdbuf, 1);
2480 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2486 * display a message (mode 2 - RFC822)
2488 void cmd_msg2(char *cmdbuf)
2491 int headers_only = HEADERS_ALL;
2493 msgid = extract_long(cmdbuf, 0);
2494 headers_only = extract_int(cmdbuf, 1);
2496 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2502 * display a message (mode 3 - IGnet raw format - internal programs only)
2504 void cmd_msg3(char *cmdbuf)
2507 struct CtdlMessage *msg = NULL;
2510 if (CC->internal_pgm == 0) {
2511 cprintf("%d This command is for internal programs only.\n",
2512 ERROR + HIGHER_ACCESS_REQUIRED);
2516 msgnum = extract_long(cmdbuf, 0);
2517 msg = CtdlFetchMessage(msgnum, 1);
2519 cprintf("%d Message %ld not found.\n",
2520 ERROR + MESSAGE_NOT_FOUND, msgnum);
2524 serialize_message(&smr, msg);
2525 CtdlFreeMessage(msg);
2528 cprintf("%d Unable to serialize message\n",
2529 ERROR + INTERNAL_ERROR);
2533 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2534 client_write((char *)smr.ser, (int)smr.len);
2541 * Display a message using MIME content types
2543 void cmd_msg4(char *cmdbuf)
2548 msgid = extract_long(cmdbuf, 0);
2549 extract_token(section, cmdbuf, 1, '|', sizeof section);
2550 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2556 * Client tells us its preferred message format(s)
2558 void cmd_msgp(char *cmdbuf)
2560 if (!strcasecmp(cmdbuf, "dont_decode")) {
2561 CC->msg4_dont_decode = 1;
2562 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2565 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2566 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2572 * Open a component of a MIME message as a download file
2574 void cmd_opna(char *cmdbuf)
2577 char desired_section[128];
2579 msgid = extract_long(cmdbuf, 0);
2580 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2581 safestrncpy(CC->download_desired_section, desired_section,
2582 sizeof CC->download_desired_section);
2583 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2588 * Open a component of a MIME message and transmit it all at once
2590 void cmd_dlat(char *cmdbuf)
2593 char desired_section[128];
2595 msgid = extract_long(cmdbuf, 0);
2596 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2597 safestrncpy(CC->download_desired_section, desired_section,
2598 sizeof CC->download_desired_section);
2599 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2604 * Save one or more message pointers into a specified room
2605 * (Returns 0 for success, nonzero for failure)
2606 * roomname may be NULL to use the current room
2608 * Note that the 'supplied_msg' field may be set to NULL, in which case
2609 * the message will be fetched from disk, by number, if we need to perform
2610 * replication checks. This adds an additional database read, so if the
2611 * caller already has the message in memory then it should be supplied. (Obviously
2612 * this mode of operation only works if we're saving a single message.)
2614 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2615 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2618 char hold_rm[ROOMNAMELEN];
2619 struct cdbdata *cdbfr;
2622 long highest_msg = 0L;
2625 struct CtdlMessage *msg = NULL;
2627 long *msgs_to_be_merged = NULL;
2628 int num_msgs_to_be_merged = 0;
2631 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2632 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2635 strcpy(hold_rm, CC->room.QRname);
2638 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2639 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2640 if (num_newmsgs > 1) supplied_msg = NULL;
2642 /* Now the regular stuff */
2643 if (CtdlGetRoomLock(&CC->room,
2644 ((roomname != NULL) ? roomname : CC->room.QRname) )
2646 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2647 return(ERROR + ROOM_NOT_FOUND);
2651 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2652 num_msgs_to_be_merged = 0;
2655 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2656 if (cdbfr == NULL) {
2660 msglist = (long *) cdbfr->ptr;
2661 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2662 num_msgs = cdbfr->len / sizeof(long);
2667 /* Create a list of msgid's which were supplied by the caller, but do
2668 * not already exist in the target room. It is absolutely taboo to
2669 * have more than one reference to the same message in a room.
2671 for (i=0; i<num_newmsgs; ++i) {
2673 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2674 if (msglist[j] == newmsgidlist[i]) {
2679 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2683 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2686 * Now merge the new messages
2688 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2689 if (msglist == NULL) {
2690 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2692 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2693 num_msgs += num_msgs_to_be_merged;
2695 /* Sort the message list, so all the msgid's are in order */
2696 num_msgs = sort_msglist(msglist, num_msgs);
2698 /* Determine the highest message number */
2699 highest_msg = msglist[num_msgs - 1];
2701 /* Write it back to disk. */
2702 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2703 msglist, (int)(num_msgs * sizeof(long)));
2705 /* Free up the memory we used. */
2708 /* Update the highest-message pointer and unlock the room. */
2709 CC->room.QRhighest = highest_msg;
2710 CtdlPutRoomLock(&CC->room);
2712 /* Perform replication checks if necessary */
2713 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2714 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2716 for (i=0; i<num_msgs_to_be_merged; ++i) {
2717 msgid = msgs_to_be_merged[i];
2719 if (supplied_msg != NULL) {
2723 msg = CtdlFetchMessage(msgid, 0);
2727 ReplicationChecks(msg);
2729 /* If the message has an Exclusive ID, index that... */
2730 if (msg->cm_fields['E'] != NULL) {
2731 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2734 /* Free up the memory we may have allocated */
2735 if (msg != supplied_msg) {
2736 CtdlFreeMessage(msg);
2744 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2747 /* Submit this room for processing by hooks */
2748 PerformRoomHooks(&CC->room);
2750 /* Go back to the room we were in before we wandered here... */
2751 CtdlGetRoom(&CC->room, hold_rm);
2753 /* Bump the reference count for all messages which were merged */
2754 if (!suppress_refcount_adj) {
2755 for (i=0; i<num_msgs_to_be_merged; ++i) {
2756 AdjRefCount(msgs_to_be_merged[i], +1);
2760 /* Free up memory... */
2761 if (msgs_to_be_merged != NULL) {
2762 free(msgs_to_be_merged);
2765 /* Return success. */
2771 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2774 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2775 int do_repl_check, struct CtdlMessage *supplied_msg)
2777 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2784 * Message base operation to save a new message to the message store
2785 * (returns new message number)
2787 * This is the back end for CtdlSubmitMsg() and should not be directly
2788 * called by server-side modules.
2791 long send_message(struct CtdlMessage *msg) {
2799 /* Get a new message number */
2800 newmsgid = get_new_message_number();
2801 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2802 (long unsigned int) time(NULL),
2803 (long unsigned int) newmsgid,
2807 /* Generate an ID if we don't have one already */
2808 if (msg->cm_fields['I']==NULL) {
2809 msg->cm_fields['I'] = strdup(msgidbuf);
2812 /* If the message is big, set its body aside for storage elsewhere */
2813 if (msg->cm_fields['M'] != NULL) {
2814 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2816 holdM = msg->cm_fields['M'];
2817 msg->cm_fields['M'] = NULL;
2821 /* Serialize our data structure for storage in the database */
2822 serialize_message(&smr, msg);
2825 msg->cm_fields['M'] = holdM;
2829 cprintf("%d Unable to serialize message\n",
2830 ERROR + INTERNAL_ERROR);
2834 /* Write our little bundle of joy into the message base */
2835 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2836 smr.ser, smr.len) < 0) {
2837 syslog(LOG_ERR, "Can't store message\n");
2841 cdb_store(CDB_BIGMSGS,
2851 /* Free the memory we used for the serialized message */
2854 /* Return the *local* message ID to the caller
2855 * (even if we're storing an incoming network message)
2863 * Serialize a struct CtdlMessage into the format used on disk and network.
2865 * This function loads up a "struct ser_ret" (defined in server.h) which
2866 * contains the length of the serialized message and a pointer to the
2867 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2869 void serialize_message(struct ser_ret *ret, /* return values */
2870 struct CtdlMessage *msg) /* unserialized msg */
2872 size_t wlen, fieldlen;
2874 static char *forder = FORDER;
2877 * Check for valid message format
2879 if (is_valid_message(msg) == 0) {
2880 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2887 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2888 ret->len = ret->len +
2889 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2891 ret->ser = malloc(ret->len);
2892 if (ret->ser == NULL) {
2893 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2894 (long)ret->len, strerror(errno));
2901 ret->ser[1] = msg->cm_anon_type;
2902 ret->ser[2] = msg->cm_format_type;
2905 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2906 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2907 ret->ser[wlen++] = (char)forder[i];
2908 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2909 wlen = wlen + fieldlen + 1;
2911 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2912 (long)ret->len, (long)wlen);
2919 * Serialize a struct CtdlMessage into the format used on disk and network.
2921 * This function loads up a "struct ser_ret" (defined in server.h) which
2922 * contains the length of the serialized message and a pointer to the
2923 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2925 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2926 long Siz) /* how many chars ? */
2930 static char *forder = FORDER;
2934 * Check for valid message format
2936 if (is_valid_message(msg) == 0) {
2937 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2941 buf = (char*) malloc (Siz + 1);
2945 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2946 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2947 msg->cm_fields[(int)forder[i]]);
2948 if (client_write (buf, strlen(buf)) == -1)
2950 syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
2961 * Check to see if any messages already exist in the current room which
2962 * carry the same Exclusive ID as this one. If any are found, delete them.
2964 void ReplicationChecks(struct CtdlMessage *msg) {
2965 long old_msgnum = (-1L);
2967 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2969 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2972 /* No exclusive id? Don't do anything. */
2973 if (msg == NULL) return;
2974 if (msg->cm_fields['E'] == NULL) return;
2975 if (IsEmptyStr(msg->cm_fields['E'])) return;
2976 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2977 msg->cm_fields['E'], CC->room.QRname);*/
2979 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2980 if (old_msgnum > 0L) {
2981 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2982 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2989 * Save a message to disk and submit it into the delivery system.
2991 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2992 struct recptypes *recps, /* recipients (if mail) */
2993 const char *force, /* force a particular room? */
2994 int flags /* should the message be exported clean? */
2996 char submit_filename[128];
2997 char generated_timestamp[32];
2998 char hold_rm[ROOMNAMELEN];
2999 char actual_rm[ROOMNAMELEN];
3000 char force_room[ROOMNAMELEN];
3001 char content_type[SIZ]; /* We have to learn this */
3002 char recipient[SIZ];
3004 const char *mptr = NULL;
3005 struct ctdluser userbuf;
3007 struct MetaData smi;
3008 FILE *network_fp = NULL;
3009 static int seqnum = 1;
3010 struct CtdlMessage *imsg = NULL;
3012 size_t instr_alloc = 0;
3014 char *hold_R, *hold_D;
3015 char *collected_addresses = NULL;
3016 struct addresses_to_be_filed *aptr = NULL;
3017 StrBuf *saved_rfc822_version = NULL;
3018 int qualified_for_journaling = 0;
3019 CitContext *CCC = MyContext();
3020 char bounce_to[1024] = "";
3024 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3025 if (is_valid_message(msg) == 0) return(-1); /* self check */
3027 /* If this message has no timestamp, we take the liberty of
3028 * giving it one, right now.
3030 if (msg->cm_fields['T'] == NULL) {
3031 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3032 msg->cm_fields['T'] = strdup(generated_timestamp);
3035 /* If this message has no path, we generate one.
3037 if (msg->cm_fields['P'] == NULL) {
3038 if (msg->cm_fields['A'] != NULL) {
3039 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3040 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3041 if (isspace(msg->cm_fields['P'][a])) {
3042 msg->cm_fields['P'][a] = ' ';
3047 msg->cm_fields['P'] = strdup("unknown");
3051 if (force == NULL) {
3052 strcpy(force_room, "");
3055 strcpy(force_room, force);
3058 /* Learn about what's inside, because it's what's inside that counts */
3059 if (msg->cm_fields['M'] == NULL) {
3060 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3064 switch (msg->cm_format_type) {
3066 strcpy(content_type, "text/x-citadel-variformat");
3069 strcpy(content_type, "text/plain");
3072 strcpy(content_type, "text/plain");
3073 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3076 safestrncpy(content_type, &mptr[13], sizeof content_type);
3077 striplt(content_type);
3078 aptr = content_type;
3079 while (!IsEmptyStr(aptr)) {
3091 /* Goto the correct room */
3092 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3093 strcpy(hold_rm, CCC->room.QRname);
3094 strcpy(actual_rm, CCC->room.QRname);
3095 if (recps != NULL) {
3096 strcpy(actual_rm, SENTITEMS);
3099 /* If the user is a twit, move to the twit room for posting */
3101 if (CCC->user.axlevel == AxProbU) {
3102 strcpy(hold_rm, actual_rm);
3103 strcpy(actual_rm, config.c_twitroom);
3104 syslog(LOG_DEBUG, "Diverting to twit room\n");
3108 /* ...or if this message is destined for Aide> then go there. */
3109 if (!IsEmptyStr(force_room)) {
3110 strcpy(actual_rm, force_room);
3113 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3114 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3115 /* CtdlGetRoom(&CCC->room, actual_rm); */
3116 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3120 * If this message has no O (room) field, generate one.
3122 if (msg->cm_fields['O'] == NULL) {
3123 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3126 /* Perform "before save" hooks (aborting if any return nonzero) */
3127 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3128 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3131 * If this message has an Exclusive ID, and the room is replication
3132 * checking enabled, then do replication checks.
3134 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3135 ReplicationChecks(msg);
3138 /* Save it to disk */
3139 syslog(LOG_DEBUG, "Saving to disk\n");
3140 newmsgid = send_message(msg);
3141 if (newmsgid <= 0L) return(-5);
3143 /* Write a supplemental message info record. This doesn't have to
3144 * be a critical section because nobody else knows about this message
3147 syslog(LOG_DEBUG, "Creating MetaData record\n");
3148 memset(&smi, 0, sizeof(struct MetaData));
3149 smi.meta_msgnum = newmsgid;
3150 smi.meta_refcount = 0;
3151 safestrncpy(smi.meta_content_type, content_type,
3152 sizeof smi.meta_content_type);
3155 * Measure how big this message will be when rendered as RFC822.
3156 * We do this for two reasons:
3157 * 1. We need the RFC822 length for the new metadata record, so the
3158 * POP and IMAP services don't have to calculate message lengths
3159 * while the user is waiting (multiplied by potentially hundreds
3160 * or thousands of messages).
3161 * 2. If journaling is enabled, we will need an RFC822 version of the
3162 * message to attach to the journalized copy.
3164 if (CCC->redirect_buffer != NULL) {
3165 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3168 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3169 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3170 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3171 saved_rfc822_version = CCC->redirect_buffer;
3172 CCC->redirect_buffer = NULL;
3176 /* Now figure out where to store the pointers */
3177 syslog(LOG_DEBUG, "Storing pointers\n");
3179 /* If this is being done by the networker delivering a private
3180 * message, we want to BYPASS saving the sender's copy (because there
3181 * is no local sender; it would otherwise go to the Trashcan).
3183 if ((!CCC->internal_pgm) || (recps == NULL)) {
3184 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3185 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3186 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3190 /* For internet mail, drop a copy in the outbound queue room */
3191 if ((recps != NULL) && (recps->num_internet > 0)) {
3192 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3195 /* If other rooms are specified, drop them there too. */
3196 if ((recps != NULL) && (recps->num_room > 0))
3197 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3198 extract_token(recipient, recps->recp_room, i,
3199 '|', sizeof recipient);
3200 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3201 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3204 /* Bump this user's messages posted counter. */
3205 syslog(LOG_DEBUG, "Updating user\n");
3206 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3207 CCC->user.posted = CCC->user.posted + 1;
3208 CtdlPutUserLock(&CCC->user);
3210 /* Decide where bounces need to be delivered */
3211 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3212 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3214 else if (CCC->logged_in) {
3215 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3218 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3221 /* If this is private, local mail, make a copy in the
3222 * recipient's mailbox and bump the reference count.
3224 if ((recps != NULL) && (recps->num_local > 0))
3225 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3226 extract_token(recipient, recps->recp_local, i,
3227 '|', sizeof recipient);
3228 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3230 if (CtdlGetUser(&userbuf, recipient) == 0) {
3231 // Add a flag so the Funambol module knows its mail
3232 msg->cm_fields['W'] = strdup(recipient);
3233 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3234 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3235 CtdlBumpNewMailCounter(userbuf.usernum);
3236 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3237 /* Generate a instruction message for the Funambol notification
3238 * server, in the same style as the SMTP queue
3241 instr = malloc(instr_alloc);
3242 snprintf(instr, instr_alloc,
3243 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3245 SPOOLMIME, newmsgid, (long)time(NULL),
3249 imsg = malloc(sizeof(struct CtdlMessage));
3250 memset(imsg, 0, sizeof(struct CtdlMessage));
3251 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3252 imsg->cm_anon_type = MES_NORMAL;
3253 imsg->cm_format_type = FMT_RFC822;
3254 imsg->cm_fields['A'] = strdup("Citadel");
3255 imsg->cm_fields['J'] = strdup("do not journal");
3256 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3257 imsg->cm_fields['W'] = strdup(recipient);
3258 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3259 CtdlFreeMessage(imsg);
3263 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3264 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3269 /* Perform "after save" hooks */
3270 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3271 PerformMessageHooks(msg, EVT_AFTERSAVE);
3273 /* For IGnet mail, we have to save a new copy into the spooler for
3274 * each recipient, with the R and D fields set to the recipient and
3275 * destination-node. This has two ugly side effects: all other
3276 * recipients end up being unlisted in this recipient's copy of the
3277 * message, and it has to deliver multiple messages to the same
3278 * node. We'll revisit this again in a year or so when everyone has
3279 * a network spool receiver that can handle the new style messages.
3281 if ((recps != NULL) && (recps->num_ignet > 0))
3282 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3283 extract_token(recipient, recps->recp_ignet, i,
3284 '|', sizeof recipient);
3286 hold_R = msg->cm_fields['R'];
3287 hold_D = msg->cm_fields['D'];
3288 msg->cm_fields['R'] = malloc(SIZ);
3289 msg->cm_fields['D'] = malloc(128);
3290 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3291 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3293 serialize_message(&smr, msg);
3295 snprintf(submit_filename, sizeof submit_filename,
3296 "%s/netmail.%04lx.%04x.%04x",
3298 (long) getpid(), CCC->cs_pid, ++seqnum);
3299 network_fp = fopen(submit_filename, "wb+");
3300 if (network_fp != NULL) {
3301 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3307 free(msg->cm_fields['R']);
3308 free(msg->cm_fields['D']);
3309 msg->cm_fields['R'] = hold_R;
3310 msg->cm_fields['D'] = hold_D;
3313 /* Go back to the room we started from */
3314 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3315 if (strcasecmp(hold_rm, CCC->room.QRname))
3316 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3318 /* For internet mail, generate delivery instructions.
3319 * Yes, this is recursive. Deal with it. Infinite recursion does
3320 * not happen because the delivery instructions message does not
3321 * contain a recipient.
3323 if ((recps != NULL) && (recps->num_internet > 0)) {
3324 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3326 instr = malloc(instr_alloc);
3327 snprintf(instr, instr_alloc,
3328 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3330 SPOOLMIME, newmsgid, (long)time(NULL),
3334 if (recps->envelope_from != NULL) {
3335 tmp = strlen(instr);
3336 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3339 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3340 tmp = strlen(instr);
3341 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3342 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3343 instr_alloc = instr_alloc * 2;
3344 instr = realloc(instr, instr_alloc);
3346 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3349 imsg = malloc(sizeof(struct CtdlMessage));
3350 memset(imsg, 0, sizeof(struct CtdlMessage));
3351 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3352 imsg->cm_anon_type = MES_NORMAL;
3353 imsg->cm_format_type = FMT_RFC822;
3354 imsg->cm_fields['A'] = strdup("Citadel");
3355 imsg->cm_fields['J'] = strdup("do not journal");
3356 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3357 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3358 CtdlFreeMessage(imsg);
3362 * Any addresses to harvest for someone's address book?
3364 if ( (CCC->logged_in) && (recps != NULL) ) {
3365 collected_addresses = harvest_collected_addresses(msg);
3368 if (collected_addresses != NULL) {
3369 aptr = (struct addresses_to_be_filed *)
3370 malloc(sizeof(struct addresses_to_be_filed));
3371 CtdlMailboxName(actual_rm, sizeof actual_rm,
3372 &CCC->user, USERCONTACTSROOM);
3373 aptr->roomname = strdup(actual_rm);
3374 aptr->collected_addresses = collected_addresses;
3375 begin_critical_section(S_ATBF);
3378 end_critical_section(S_ATBF);
3382 * Determine whether this message qualifies for journaling.
3384 if (msg->cm_fields['J'] != NULL) {
3385 qualified_for_journaling = 0;
3388 if (recps == NULL) {
3389 qualified_for_journaling = config.c_journal_pubmsgs;
3391 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3392 qualified_for_journaling = config.c_journal_email;
3395 qualified_for_journaling = config.c_journal_pubmsgs;
3400 * Do we have to perform journaling? If so, hand off the saved
3401 * RFC822 version will be handed off to the journaler for background
3402 * submit. Otherwise, we have to free the memory ourselves.
3404 if (saved_rfc822_version != NULL) {
3405 if (qualified_for_journaling) {
3406 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3409 FreeStrBuf(&saved_rfc822_version);
3419 void aide_message (char *text, char *subject)
3421 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3426 * Convenience function for generating small administrative messages.
3428 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3429 int format_type, const char *subject)
3431 struct CtdlMessage *msg;
3432 struct recptypes *recp = NULL;
3434 msg = malloc(sizeof(struct CtdlMessage));
3435 memset(msg, 0, sizeof(struct CtdlMessage));
3436 msg->cm_magic = CTDLMESSAGE_MAGIC;
3437 msg->cm_anon_type = MES_NORMAL;
3438 msg->cm_format_type = format_type;
3441 msg->cm_fields['A'] = strdup(from);
3443 else if (fromaddr != NULL) {
3444 msg->cm_fields['A'] = strdup(fromaddr);
3445 if (strchr(msg->cm_fields['A'], '@')) {
3446 *strchr(msg->cm_fields['A'], '@') = 0;
3450 msg->cm_fields['A'] = strdup("Citadel");
3453 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3454 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3455 msg->cm_fields['N'] = strdup(NODENAME);
3457 msg->cm_fields['R'] = strdup(to);
3458 recp = validate_recipients(to, NULL, 0);
3460 if (subject != NULL) {
3461 msg->cm_fields['U'] = strdup(subject);
3463 msg->cm_fields['M'] = strdup(text);
3465 CtdlSubmitMsg(msg, recp, room, 0);
3466 CtdlFreeMessage(msg);
3467 if (recp != NULL) free_recipients(recp);
3473 * Back end function used by CtdlMakeMessage() and similar functions
3475 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3477 size_t maxlen, /* maximum message length */
3478 char *exist, /* if non-null, append to it;
3479 exist is ALWAYS freed */
3480 int crlf, /* CRLF newlines instead of LF */
3481 int *sock /* socket handle or 0 for this session's client socket */
3490 LineBuf = NewStrBufPlain(NULL, SIZ);
3491 if (exist == NULL) {
3492 Message = NewStrBufPlain(NULL, 4 * SIZ);
3495 Message = NewStrBufPlain(exist, -1);
3499 /* Do we need to change leading ".." to "." for SMTP escaping? */
3500 if ((tlen == 1) && (*terminator == '.')) {
3504 /* read in the lines of message text one by one */
3507 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3512 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3514 if ((StrLength(LineBuf) == tlen) &&
3515 (!strcmp(ChrPtr(LineBuf), terminator)))
3518 if ( (!flushing) && (!finished) ) {
3520 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3523 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3526 /* Unescape SMTP-style input of two dots at the beginning of the line */
3528 (StrLength(LineBuf) == 2) &&
3529 (!strcmp(ChrPtr(LineBuf), "..")))
3531 StrBufCutLeft(LineBuf, 1);
3534 StrBufAppendBuf(Message, LineBuf, 0);
3537 /* if we've hit the max msg length, flush the rest */
3538 if (StrLength(Message) >= maxlen) flushing = 1;
3540 } while (!finished);
3541 FreeStrBuf(&LineBuf);
3545 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3549 FreeStrBuf(&(*Msg)->MsgBuf);
3555 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3557 size_t maxlen, /* maximum message length */
3558 size_t expectlen, /* if we expect a message, how long should it be? */
3559 char *exist, /* if non-null, append to it;
3560 exist is ALWAYS freed */
3561 long eLen, /* length of exist */
3562 int crlf /* CRLF newlines instead of LF */
3565 ReadAsyncMsg *NewMsg;
3567 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3568 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3570 if (exist == NULL) {
3573 if (expectlen == 0) {
3577 len = expectlen + 10;
3579 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3582 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3585 /* Do we need to change leading ".." to "." for SMTP escaping? */
3586 if ((tlen == 1) && (*terminator == '.')) {
3590 NewMsg->terminator = terminator;
3591 NewMsg->tlen = tlen;
3593 NewMsg->maxlen = maxlen;
3595 NewMsg->crlf = crlf;
3601 * Back end function used by CtdlMakeMessage() and similar functions
3603 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3605 ReadAsyncMsg *ReadMsg;
3606 int MsgFinished = 0;
3607 eReadState Finished = eMustReadMore;
3612 const char *pch = ChrPtr(IO->SendBuf.Buf);
3613 const char *pchh = IO->SendBuf.ReadWritePointer;
3619 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3620 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3621 ((CitContext*)(IO->CitContext))->ServiceName,
3624 fd = fopen(fn, "a+");
3627 ReadMsg = IO->ReadMsg;
3629 /* read in the lines of message text one by one */
3631 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3634 case eMustReadMore: /// read new from socket...
3636 if (IO->RecvBuf.ReadWritePointer != NULL) {
3637 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3638 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3640 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3644 fprintf(fd, "BufferEmpty! \n");
3650 case eBufferNotEmpty: /* shouldn't happen... */
3651 case eReadSuccess: /// done for now...
3653 case eReadFail: /// WHUT?
3659 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3660 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3663 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3666 else if (!ReadMsg->flushing) {
3669 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3672 /* Unescape SMTP-style input of two dots at the beginning of the line */
3673 if ((ReadMsg->dodot) &&
3674 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3675 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3678 fprintf(fd, "UnEscaped!\n");
3680 StrBufCutLeft(IO->IOBuf, 1);
3683 if (ReadMsg->crlf) {
3684 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3687 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3690 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3693 /* if we've hit the max msg length, flush the rest */
3694 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3696 } while (!MsgFinished);
3699 fprintf(fd, "Done with reading; %s.\n, ",
3700 (MsgFinished)?"Message Finished": "FAILED");
3704 return eReadSuccess;
3711 * Back end function used by CtdlMakeMessage() and similar functions
3713 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3715 size_t maxlen, /* maximum message length */
3716 char *exist, /* if non-null, append to it;
3717 exist is ALWAYS freed */
3718 int crlf, /* CRLF newlines instead of LF */
3719 int *sock /* socket handle or 0 for this session's client socket */
3724 Message = CtdlReadMessageBodyBuf(terminator,
3730 if (Message == NULL)
3733 return SmashStrBuf(&Message);
3738 * Build a binary message to be saved on disk.
3739 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3740 * will become part of the message. This means you are no longer
3741 * responsible for managing that memory -- it will be freed along with
3742 * the rest of the fields when CtdlFreeMessage() is called.)
3745 struct CtdlMessage *CtdlMakeMessage(
3746 struct ctdluser *author, /* author's user structure */
3747 char *recipient, /* NULL if it's not mail */
3748 char *recp_cc, /* NULL if it's not mail */
3749 char *room, /* room where it's going */
3750 int type, /* see MES_ types in header file */
3751 int format_type, /* variformat, plain text, MIME... */
3752 char *fake_name, /* who we're masquerading as */
3753 char *my_email, /* which of my email addresses to use (empty is ok) */
3754 char *subject, /* Subject (optional) */
3755 char *supplied_euid, /* ...or NULL if this is irrelevant */
3756 char *preformatted_text, /* ...or NULL to read text from client */
3757 char *references /* Thread references */
3759 char dest_node[256];
3761 struct CtdlMessage *msg;
3763 StrBuf *FakeEncAuthor = NULL;
3765 msg = malloc(sizeof(struct CtdlMessage));
3766 memset(msg, 0, sizeof(struct CtdlMessage));
3767 msg->cm_magic = CTDLMESSAGE_MAGIC;
3768 msg->cm_anon_type = type;
3769 msg->cm_format_type = format_type;
3771 /* Don't confuse the poor folks if it's not routed mail. */
3772 strcpy(dest_node, "");
3774 if (recipient != NULL) striplt(recipient);
3775 if (recp_cc != NULL) striplt(recp_cc);
3777 /* Path or Return-Path */
3778 if (my_email == NULL) my_email = "";
3780 if (!IsEmptyStr(my_email)) {
3781 msg->cm_fields['P'] = strdup(my_email);
3784 snprintf(buf, sizeof buf, "%s", author->fullname);
3785 msg->cm_fields['P'] = strdup(buf);
3787 convert_spaces_to_underscores(msg->cm_fields['P']);
3789 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3790 msg->cm_fields['T'] = strdup(buf);
3792 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3793 FakeAuthor = NewStrBufPlain (fake_name, -1);
3796 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3798 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3799 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3800 FreeStrBuf(&FakeAuthor);
3802 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3803 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3806 msg->cm_fields['O'] = strdup(CC->room.QRname);
3809 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3810 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3812 if ((recipient != NULL) && (recipient[0] != 0)) {
3813 msg->cm_fields['R'] = strdup(recipient);
3815 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3816 msg->cm_fields['Y'] = strdup(recp_cc);
3818 if (dest_node[0] != 0) {
3819 msg->cm_fields['D'] = strdup(dest_node);
3822 if (!IsEmptyStr(my_email)) {
3823 msg->cm_fields['F'] = strdup(my_email);
3825 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3826 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3829 if (subject != NULL) {
3832 length = strlen(subject);
3838 while ((subject[i] != '\0') &&
3839 (IsAscii = isascii(subject[i]) != 0 ))
3842 msg->cm_fields['U'] = strdup(subject);
3843 else /* ok, we've got utf8 in the string. */
3845 msg->cm_fields['U'] = rfc2047encode(subject, length);
3851 if (supplied_euid != NULL) {
3852 msg->cm_fields['E'] = strdup(supplied_euid);
3855 if (references != NULL) {
3856 if (!IsEmptyStr(references)) {
3857 msg->cm_fields['W'] = strdup(references);
3861 if (preformatted_text != NULL) {
3862 msg->cm_fields['M'] = preformatted_text;
3865 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3873 * Check to see whether we have permission to post a message in the current
3874 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3875 * returns 0 on success.
3877 int CtdlDoIHavePermissionToPostInThisRoom(
3880 const char* RemoteIdentifier,
3886 if (!(CC->logged_in) &&
3887 (PostPublic == POST_LOGGED_IN)) {
3888 snprintf(errmsgbuf, n, "Not logged in.");
3889 return (ERROR + NOT_LOGGED_IN);
3891 else if (PostPublic == CHECK_EXISTANCE) {
3892 return (0); // We're Evaling whether a recipient exists
3894 else if (!(CC->logged_in)) {
3896 if ((CC->room.QRflags & QR_READONLY)) {
3897 snprintf(errmsgbuf, n, "Not logged in.");
3898 return (ERROR + NOT_LOGGED_IN);
3900 if (CC->room.QRflags2 & QR2_MODERATED) {
3901 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3902 return (ERROR + NOT_LOGGED_IN);
3904 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3909 if (RemoteIdentifier == NULL)
3911 snprintf(errmsgbuf, n, "Need sender to permit access.");
3912 return (ERROR + USERNAME_REQUIRED);
3915 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3916 begin_critical_section(S_NETCONFIGS);
3917 if (!read_spoolcontrol_file(&sc, filename))
3919 end_critical_section(S_NETCONFIGS);
3920 snprintf(errmsgbuf, n,
3921 "This mailing list only accepts posts from subscribers.");
3922 return (ERROR + NO_SUCH_USER);
3924 end_critical_section(S_NETCONFIGS);
3925 found = is_recipient (sc, RemoteIdentifier);
3926 free_spoolcontrol_struct(&sc);
3931 snprintf(errmsgbuf, n,
3932 "This mailing list only accepts posts from subscribers.");
3933 return (ERROR + NO_SUCH_USER);
3940 if ((CC->user.axlevel < AxProbU)
3941 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3942 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3943 return (ERROR + HIGHER_ACCESS_REQUIRED);
3946 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3948 if (ra & UA_POSTALLOWED) {
3949 strcpy(errmsgbuf, "OK to post or reply here");
3953 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
3955 * To be thorough, we ought to check to see if the message they are
3956 * replying to is actually a valid one in this room, but unless this
3957 * actually becomes a problem we'll go with high performance instead.
3959 strcpy(errmsgbuf, "OK to reply here");
3963 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3964 /* Clarify what happened with a better error message */
3965 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3966 return (ERROR + HIGHER_ACCESS_REQUIRED);
3969 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3970 return (ERROR + HIGHER_ACCESS_REQUIRED);
3976 * Check to see if the specified user has Internet mail permission
3977 * (returns nonzero if permission is granted)
3979 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3981 /* Do not allow twits to send Internet mail */
3982 if (who->axlevel <= AxProbU) return(0);
3984 /* Globally enabled? */
3985 if (config.c_restrict == 0) return(1);
3987 /* User flagged ok? */
3988 if (who->flags & US_INTERNET) return(2);
3990 /* Aide level access? */
3991 if (who->axlevel >= AxAideU) return(3);
3993 /* No mail for you! */
3999 * Validate recipients, count delivery types and errors, and handle aliasing
4000 * FIXME check for dupes!!!!!
4002 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4003 * were specified, or the number of addresses found invalid.
4005 * Caller needs to free the result using free_recipients()
4007 struct recptypes *validate_recipients(const char *supplied_recipients,
4008 const char *RemoteIdentifier,
4010 struct recptypes *ret;
4011 char *recipients = NULL;
4012 char this_recp[256];
4013 char this_recp_cooked[256];
4019 struct ctdluser tempUS;
4020 struct ctdlroom tempQR;
4021 struct ctdlroom tempQR2;
4027 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4028 if (ret == NULL) return(NULL);
4030 /* Set all strings to null and numeric values to zero */
4031 memset(ret, 0, sizeof(struct recptypes));
4033 if (supplied_recipients == NULL) {
4034 recipients = strdup("");
4037 recipients = strdup(supplied_recipients);
4040 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4041 * actually need, but it's healthier for the heap than doing lots of tiny
4042 * realloc() calls instead.
4045 ret->errormsg = malloc(strlen(recipients) + 1024);
4046 ret->recp_local = malloc(strlen(recipients) + 1024);
4047 ret->recp_internet = malloc(strlen(recipients) + 1024);
4048 ret->recp_ignet = malloc(strlen(recipients) + 1024);
4049 ret->recp_room = malloc(strlen(recipients) + 1024);
4050 ret->display_recp = malloc(strlen(recipients) + 1024);
4052 ret->errormsg[0] = 0;
4053 ret->recp_local[0] = 0;
4054 ret->recp_internet[0] = 0;
4055 ret->recp_ignet[0] = 0;
4056 ret->recp_room[0] = 0;
4057 ret->display_recp[0] = 0;
4059 ret->recptypes_magic = RECPTYPES_MAGIC;
4061 /* Change all valid separator characters to commas */
4062 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4063 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4064 recipients[i] = ',';
4068 /* Now start extracting recipients... */
4070 while (!IsEmptyStr(recipients)) {
4072 for (i=0; i<=strlen(recipients); ++i) {
4073 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4074 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4075 safestrncpy(this_recp, recipients, i+1);
4077 if (recipients[i] == ',') {
4078 strcpy(recipients, &recipients[i+1]);
4081 strcpy(recipients, "");
4088 if (IsEmptyStr(this_recp))
4090 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4092 mailtype = alias(this_recp);
4093 mailtype = alias(this_recp);
4094 mailtype = alias(this_recp);
4096 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
4097 if (this_recp[j]=='_') {
4098 this_recp_cooked[j] = ' ';
4101 this_recp_cooked[j] = this_recp[j];
4104 this_recp_cooked[j] = '\0';
4109 if (!strcasecmp(this_recp, "sysop")) {
4111 strcpy(this_recp, config.c_aideroom);
4112 if (!IsEmptyStr(ret->recp_room)) {
4113 strcat(ret->recp_room, "|");
4115 strcat(ret->recp_room, this_recp);
4117 else if ( (!strncasecmp(this_recp, "room_", 5))
4118 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4120 /* Save room so we can restore it later */
4124 /* Check permissions to send mail to this room */
4125 err = CtdlDoIHavePermissionToPostInThisRoom(
4130 0 /* 0 = not a reply */
4139 if (!IsEmptyStr(ret->recp_room)) {
4140 strcat(ret->recp_room, "|");
4142 strcat(ret->recp_room, &this_recp_cooked[5]);
4145 /* Restore room in case something needs it */
4149 else if (CtdlGetUser(&tempUS, this_recp) == 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);
4157 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4159 strcpy(this_recp, tempUS.fullname);
4160 if (!IsEmptyStr(ret->recp_local)) {
4161 strcat(ret->recp_local, "|");
4163 strcat(ret->recp_local, this_recp);
4171 /* Yes, you're reading this correctly: if the target
4172 * domain points back to the local system or an attached
4173 * Citadel directory, the address is invalid. That's
4174 * because if the address were valid, we would have
4175 * already translated it to a local address by now.
4177 if (IsDirectory(this_recp, 0)) {
4182 ++ret->num_internet;
4183 if (!IsEmptyStr(ret->recp_internet)) {
4184 strcat(ret->recp_internet, "|");
4186 strcat(ret->recp_internet, this_recp);
4191 if (!IsEmptyStr(ret->recp_ignet)) {
4192 strcat(ret->recp_ignet, "|");
4194 strcat(ret->recp_ignet, this_recp);
4202 if (IsEmptyStr(errmsg)) {
4203 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4206 snprintf(append, sizeof append, "%s", errmsg);
4208 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4209 if (!IsEmptyStr(ret->errormsg)) {
4210 strcat(ret->errormsg, "; ");
4212 strcat(ret->errormsg, append);
4216 if (IsEmptyStr(ret->display_recp)) {
4217 strcpy(append, this_recp);
4220 snprintf(append, sizeof append, ", %s", this_recp);
4222 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4223 strcat(ret->display_recp, append);
4228 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4229 ret->num_room + ret->num_error) == 0) {
4230 ret->num_error = (-1);
4231 strcpy(ret->errormsg, "No recipients specified.");
4234 syslog(LOG_DEBUG, "validate_recipients()\n");
4235 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4236 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4237 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4238 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4239 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4247 * Destructor for struct recptypes
4249 void free_recipients(struct recptypes *valid) {
4251 if (valid == NULL) {
4255 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4256 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4260 if (valid->errormsg != NULL) free(valid->errormsg);
4261 if (valid->recp_local != NULL) free(valid->recp_local);
4262 if (valid->recp_internet != NULL) free(valid->recp_internet);
4263 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4264 if (valid->recp_room != NULL) free(valid->recp_room);
4265 if (valid->display_recp != NULL) free(valid->display_recp);
4266 if (valid->bounce_to != NULL) free(valid->bounce_to);
4267 if (valid->envelope_from != NULL) free(valid->envelope_from);
4274 * message entry - mode 0 (normal)
4276 void cmd_ent0(char *entargs)
4282 char supplied_euid[128];
4284 int format_type = 0;
4285 char newusername[256];
4286 char newuseremail[256];
4287 struct CtdlMessage *msg;
4291 struct recptypes *valid = NULL;
4292 struct recptypes *valid_to = NULL;
4293 struct recptypes *valid_cc = NULL;
4294 struct recptypes *valid_bcc = NULL;
4296 int subject_required = 0;
4301 int newuseremail_ok = 0;
4302 char references[SIZ];
4307 post = extract_int(entargs, 0);
4308 extract_token(recp, entargs, 1, '|', sizeof recp);
4309 anon_flag = extract_int(entargs, 2);
4310 format_type = extract_int(entargs, 3);
4311 extract_token(subject, entargs, 4, '|', sizeof subject);
4312 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4313 do_confirm = extract_int(entargs, 6);
4314 extract_token(cc, entargs, 7, '|', sizeof cc);
4315 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4316 switch(CC->room.QRdefaultview) {
4319 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4322 supplied_euid[0] = 0;
4325 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4326 extract_token(references, entargs, 11, '|', sizeof references);
4327 for (ptr=references; *ptr != 0; ++ptr) {
4328 if (*ptr == '!') *ptr = '|';
4331 /* first check to make sure the request is valid. */
4333 err = CtdlDoIHavePermissionToPostInThisRoom(
4338 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4342 cprintf("%d %s\n", err, errmsg);
4346 /* Check some other permission type things. */
4348 if (IsEmptyStr(newusername)) {
4349 strcpy(newusername, CC->user.fullname);
4351 if ( (CC->user.axlevel < AxAideU)
4352 && (strcasecmp(newusername, CC->user.fullname))
4353 && (strcasecmp(newusername, CC->cs_inet_fn))
4355 cprintf("%d You don't have permission to author messages as '%s'.\n",
4356 ERROR + HIGHER_ACCESS_REQUIRED,
4363 if (IsEmptyStr(newuseremail)) {
4364 newuseremail_ok = 1;
4367 if (!IsEmptyStr(newuseremail)) {
4368 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4369 newuseremail_ok = 1;
4371 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4372 j = num_tokens(CC->cs_inet_other_emails, '|');
4373 for (i=0; i<j; ++i) {
4374 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4375 if (!strcasecmp(newuseremail, buf)) {
4376 newuseremail_ok = 1;
4382 if (!newuseremail_ok) {
4383 cprintf("%d You don't have permission to author messages as '%s'.\n",
4384 ERROR + HIGHER_ACCESS_REQUIRED,
4390 CC->cs_flags |= CS_POSTING;
4392 /* In mailbox rooms we have to behave a little differently --
4393 * make sure the user has specified at least one recipient. Then
4394 * validate the recipient(s). We do this for the Mail> room, as
4395 * well as any room which has the "Mailbox" view set - unless it
4396 * is the DRAFTS room which does not require recipients
4399 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4400 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4401 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4402 if (CC->user.axlevel < AxProbU) {
4403 strcpy(recp, "sysop");
4408 valid_to = validate_recipients(recp, NULL, 0);
4409 if (valid_to->num_error > 0) {
4410 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4411 free_recipients(valid_to);
4415 valid_cc = validate_recipients(cc, NULL, 0);
4416 if (valid_cc->num_error > 0) {
4417 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4418 free_recipients(valid_to);
4419 free_recipients(valid_cc);
4423 valid_bcc = validate_recipients(bcc, NULL, 0);
4424 if (valid_bcc->num_error > 0) {
4425 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4426 free_recipients(valid_to);
4427 free_recipients(valid_cc);
4428 free_recipients(valid_bcc);
4432 /* Recipient required, but none were specified */
4433 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4434 free_recipients(valid_to);
4435 free_recipients(valid_cc);
4436 free_recipients(valid_bcc);
4437 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4441 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4442 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4443 cprintf("%d You do not have permission "
4444 "to send Internet mail.\n",
4445 ERROR + HIGHER_ACCESS_REQUIRED);
4446 free_recipients(valid_to);
4447 free_recipients(valid_cc);
4448 free_recipients(valid_bcc);
4453 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)
4454 && (CC->user.axlevel < AxNetU) ) {
4455 cprintf("%d Higher access required for network mail.\n",
4456 ERROR + HIGHER_ACCESS_REQUIRED);
4457 free_recipients(valid_to);
4458 free_recipients(valid_cc);
4459 free_recipients(valid_bcc);
4463 if ((RESTRICT_INTERNET == 1)
4464 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4465 && ((CC->user.flags & US_INTERNET) == 0)
4466 && (!CC->internal_pgm)) {
4467 cprintf("%d You don't have access to Internet mail.\n",
4468 ERROR + HIGHER_ACCESS_REQUIRED);
4469 free_recipients(valid_to);
4470 free_recipients(valid_cc);
4471 free_recipients(valid_bcc);
4477 /* Is this a room which has anonymous-only or anonymous-option? */
4478 anonymous = MES_NORMAL;
4479 if (CC->room.QRflags & QR_ANONONLY) {
4480 anonymous = MES_ANONONLY;
4482 if (CC->room.QRflags & QR_ANONOPT) {
4483 if (anon_flag == 1) { /* only if the user requested it */
4484 anonymous = MES_ANONOPT;
4488 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4492 /* Recommend to the client that the use of a message subject is
4493 * strongly recommended in this room, if either the SUBJECTREQ flag
4494 * is set, or if there is one or more Internet email recipients.
4496 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4497 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4498 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4499 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4501 /* If we're only checking the validity of the request, return
4502 * success without creating the message.
4505 cprintf("%d %s|%d\n", CIT_OK,
4506 ((valid_to != NULL) ? valid_to->display_recp : ""),
4508 free_recipients(valid_to);
4509 free_recipients(valid_cc);
4510 free_recipients(valid_bcc);
4514 /* We don't need these anymore because we'll do it differently below */
4515 free_recipients(valid_to);
4516 free_recipients(valid_cc);
4517 free_recipients(valid_bcc);
4519 /* Read in the message from the client. */
4521 cprintf("%d send message\n", START_CHAT_MODE);
4523 cprintf("%d send message\n", SEND_LISTING);
4526 msg = CtdlMakeMessage(&CC->user, recp, cc,
4527 CC->room.QRname, anonymous, format_type,
4528 newusername, newuseremail, subject,
4529 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4532 /* Put together one big recipients struct containing to/cc/bcc all in
4533 * one. This is for the envelope.
4535 char *all_recps = malloc(SIZ * 3);
4536 strcpy(all_recps, recp);
4537 if (!IsEmptyStr(cc)) {
4538 if (!IsEmptyStr(all_recps)) {
4539 strcat(all_recps, ",");
4541 strcat(all_recps, cc);
4543 if (!IsEmptyStr(bcc)) {
4544 if (!IsEmptyStr(all_recps)) {
4545 strcat(all_recps, ",");
4547 strcat(all_recps, bcc);
4549 if (!IsEmptyStr(all_recps)) {
4550 valid = validate_recipients(all_recps, NULL, 0);
4558 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4561 cprintf("%ld\n", msgnum);
4563 cprintf("Message accepted.\n");
4566 cprintf("Internal error.\n");
4568 if (msg->cm_fields['E'] != NULL) {
4569 cprintf("%s\n", msg->cm_fields['E']);
4576 CtdlFreeMessage(msg);
4578 if (valid != NULL) {
4579 free_recipients(valid);
4587 * API function to delete messages which match a set of criteria
4588 * (returns the actual number of messages deleted)
4590 int CtdlDeleteMessages(char *room_name, /* which room */
4591 long *dmsgnums, /* array of msg numbers to be deleted */
4592 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4593 char *content_type /* or "" for any. regular expressions expected. */
4596 struct ctdlroom qrbuf;
4597 struct cdbdata *cdbfr;
4598 long *msglist = NULL;
4599 long *dellist = NULL;
4602 int num_deleted = 0;
4604 struct MetaData smi;
4607 int need_to_free_re = 0;
4609 if (content_type) if (!IsEmptyStr(content_type)) {
4610 regcomp(&re, content_type, 0);
4611 need_to_free_re = 1;
4613 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4614 room_name, num_dmsgnums, content_type);
4616 /* get room record, obtaining a lock... */
4617 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4618 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4620 if (need_to_free_re) regfree(&re);
4621 return (0); /* room not found */
4623 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4625 if (cdbfr != NULL) {
4626 dellist = malloc(cdbfr->len);
4627 msglist = (long *) cdbfr->ptr;
4628 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4629 num_msgs = cdbfr->len / sizeof(long);
4633 for (i = 0; i < num_msgs; ++i) {
4636 /* Set/clear a bit for each criterion */
4638 /* 0 messages in the list or a null list means that we are
4639 * interested in deleting any messages which meet the other criteria.
4641 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4642 delete_this |= 0x01;
4645 for (j=0; j<num_dmsgnums; ++j) {
4646 if (msglist[i] == dmsgnums[j]) {
4647 delete_this |= 0x01;
4652 if (IsEmptyStr(content_type)) {
4653 delete_this |= 0x02;
4655 GetMetaData(&smi, msglist[i]);
4656 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4657 delete_this |= 0x02;
4661 /* Delete message only if all bits are set */
4662 if (delete_this == 0x03) {
4663 dellist[num_deleted++] = msglist[i];
4668 num_msgs = sort_msglist(msglist, num_msgs);
4669 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4670 msglist, (int)(num_msgs * sizeof(long)));
4673 qrbuf.QRhighest = msglist[num_msgs - 1];
4675 qrbuf.QRhighest = 0;
4677 CtdlPutRoomLock(&qrbuf);
4679 /* Go through the messages we pulled out of the index, and decrement
4680 * their reference counts by 1. If this is the only room the message
4681 * was in, the reference count will reach zero and the message will
4682 * automatically be deleted from the database. We do this in a
4683 * separate pass because there might be plug-in hooks getting called,
4684 * and we don't want that happening during an S_ROOMS critical
4687 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4688 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4689 AdjRefCount(dellist[i], -1);
4692 /* Now free the memory we used, and go away. */
4693 if (msglist != NULL) free(msglist);
4694 if (dellist != NULL) free(dellist);
4695 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4696 if (need_to_free_re) regfree(&re);
4697 return (num_deleted);
4703 * Check whether the current user has permission to delete messages from
4704 * the current room (returns 1 for yes, 0 for no)
4706 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4708 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4709 if (ra & UA_DELETEALLOWED) return(1);
4717 * Delete message from current room
4719 void cmd_dele(char *args)
4728 extract_token(msgset, args, 0, '|', sizeof msgset);
4729 num_msgs = num_tokens(msgset, ',');
4731 cprintf("%d Nothing to do.\n", CIT_OK);
4735 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4736 cprintf("%d Higher access required.\n",
4737 ERROR + HIGHER_ACCESS_REQUIRED);
4742 * Build our message set to be moved/copied
4744 msgs = malloc(num_msgs * sizeof(long));
4745 for (i=0; i<num_msgs; ++i) {
4746 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4747 msgs[i] = atol(msgtok);
4750 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4754 cprintf("%d %d message%s deleted.\n", CIT_OK,
4755 num_deleted, ((num_deleted != 1) ? "s" : ""));
4757 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4765 * move or copy a message to another room
4767 void cmd_move(char *args)
4774 char targ[ROOMNAMELEN];
4775 struct ctdlroom qtemp;
4782 extract_token(msgset, args, 0, '|', sizeof msgset);
4783 num_msgs = num_tokens(msgset, ',');
4785 cprintf("%d Nothing to do.\n", CIT_OK);
4789 extract_token(targ, args, 1, '|', sizeof targ);
4790 convert_room_name_macros(targ, sizeof targ);
4791 targ[ROOMNAMELEN - 1] = 0;
4792 is_copy = extract_int(args, 2);
4794 if (CtdlGetRoom(&qtemp, targ) != 0) {
4795 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4799 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4800 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4804 CtdlGetUser(&CC->user, CC->curr_user);
4805 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4807 /* Check for permission to perform this operation.
4808 * Remember: "CC->room" is source, "qtemp" is target.
4812 /* Aides can move/copy */
4813 if (CC->user.axlevel >= AxAideU) permit = 1;
4815 /* Room aides can move/copy */
4816 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4818 /* Permit move/copy from personal rooms */
4819 if ((CC->room.QRflags & QR_MAILBOX)
4820 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4822 /* Permit only copy from public to personal room */
4824 && (!(CC->room.QRflags & QR_MAILBOX))
4825 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4827 /* Permit message removal from collaborative delete rooms */
4828 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4830 /* Users allowed to post into the target room may move into it too. */
4831 if ((CC->room.QRflags & QR_MAILBOX) &&
4832 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4834 /* User must have access to target room */
4835 if (!(ra & UA_KNOWN)) permit = 0;
4838 cprintf("%d Higher access required.\n",
4839 ERROR + HIGHER_ACCESS_REQUIRED);
4844 * Build our message set to be moved/copied
4846 msgs = malloc(num_msgs * sizeof(long));
4847 for (i=0; i<num_msgs; ++i) {
4848 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4849 msgs[i] = atol(msgtok);
4855 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4857 cprintf("%d Cannot store message(s) in %s: error %d\n",
4863 /* Now delete the message from the source room,
4864 * if this is a 'move' rather than a 'copy' operation.
4867 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4871 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4877 * GetMetaData() - Get the supplementary record for a message
4879 void GetMetaData(struct MetaData *smibuf, long msgnum)
4882 struct cdbdata *cdbsmi;
4885 memset(smibuf, 0, sizeof(struct MetaData));
4886 smibuf->meta_msgnum = msgnum;
4887 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4889 /* Use the negative of the message number for its supp record index */
4890 TheIndex = (0L - msgnum);
4892 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4893 if (cdbsmi == NULL) {
4894 return; /* record not found; go with defaults */
4896 memcpy(smibuf, cdbsmi->ptr,
4897 ((cdbsmi->len > sizeof(struct MetaData)) ?
4898 sizeof(struct MetaData) : cdbsmi->len));
4905 * PutMetaData() - (re)write supplementary record for a message
4907 void PutMetaData(struct MetaData *smibuf)
4911 /* Use the negative of the message number for the metadata db index */
4912 TheIndex = (0L - smibuf->meta_msgnum);
4914 cdb_store(CDB_MSGMAIN,
4915 &TheIndex, (int)sizeof(long),
4916 smibuf, (int)sizeof(struct MetaData));
4921 * AdjRefCount - submit an adjustment to the reference count for a message.
4922 * (These are just queued -- we actually process them later.)
4924 void AdjRefCount(long msgnum, int incr)
4926 struct arcq new_arcq;
4929 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4933 begin_critical_section(S_SUPPMSGMAIN);
4934 if (arcfp == NULL) {
4935 arcfp = fopen(file_arcq, "ab+");
4937 end_critical_section(S_SUPPMSGMAIN);
4939 /* msgnum < 0 means that we're trying to close the file */
4941 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4942 begin_critical_section(S_SUPPMSGMAIN);
4943 if (arcfp != NULL) {
4947 end_critical_section(S_SUPPMSGMAIN);
4952 * If we can't open the queue, perform the operation synchronously.
4954 if (arcfp == NULL) {
4955 TDAP_AdjRefCount(msgnum, incr);
4959 new_arcq.arcq_msgnum = msgnum;
4960 new_arcq.arcq_delta = incr;
4961 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4969 * TDAP_ProcessAdjRefCountQueue()
4971 * Process the queue of message count adjustments that was created by calls
4972 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4973 * for each one. This should be an "off hours" operation.
4975 int TDAP_ProcessAdjRefCountQueue(void)
4977 char file_arcq_temp[PATH_MAX];
4980 struct arcq arcq_rec;
4981 int num_records_processed = 0;
4983 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4985 begin_critical_section(S_SUPPMSGMAIN);
4986 if (arcfp != NULL) {
4991 r = link(file_arcq, file_arcq_temp);
4993 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4994 end_critical_section(S_SUPPMSGMAIN);
4995 return(num_records_processed);
4999 end_critical_section(S_SUPPMSGMAIN);
5001 fp = fopen(file_arcq_temp, "rb");
5003 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5004 return(num_records_processed);
5007 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5008 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5009 ++num_records_processed;
5013 r = unlink(file_arcq_temp);
5015 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5018 return(num_records_processed);
5024 * TDAP_AdjRefCount - adjust the reference count for a message.
5025 * This one does it "for real" because it's called by
5026 * the autopurger function that processes the queue
5027 * created by AdjRefCount(). If a message's reference
5028 * count becomes zero, we also delete the message from
5029 * disk and de-index it.
5031 void TDAP_AdjRefCount(long msgnum, int incr)
5034 struct MetaData smi;
5037 /* This is a *tight* critical section; please keep it that way, as
5038 * it may get called while nested in other critical sections.
5039 * Complicating this any further will surely cause deadlock!
5041 begin_critical_section(S_SUPPMSGMAIN);
5042 GetMetaData(&smi, msgnum);
5043 smi.meta_refcount += incr;
5045 end_critical_section(S_SUPPMSGMAIN);
5046 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5047 msgnum, incr, smi.meta_refcount
5050 /* If the reference count is now zero, delete the message
5051 * (and its supplementary record as well).
5053 if (smi.meta_refcount == 0) {
5054 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5056 /* Call delete hooks with NULL room to show it has gone altogether */
5057 PerformDeleteHooks(NULL, msgnum);
5059 /* Remove from message base */
5061 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5062 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5064 /* Remove metadata record */
5065 delnum = (0L - msgnum);
5066 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5072 * Write a generic object to this room
5074 * Note: this could be much more efficient. Right now we use two temporary
5075 * files, and still pull the message into memory as with all others.
5077 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5078 char *content_type, /* MIME type of this object */
5079 char *raw_message, /* Data to be written */
5080 off_t raw_length, /* Size of raw_message */
5081 struct ctdluser *is_mailbox, /* Mailbox room? */
5082 int is_binary, /* Is encoding necessary? */
5083 int is_unique, /* Del others of this type? */
5084 unsigned int flags /* Internal save flags */
5088 struct ctdlroom qrbuf;
5089 char roomname[ROOMNAMELEN];
5090 struct CtdlMessage *msg;
5091 char *encoded_message = NULL;
5093 if (is_mailbox != NULL) {
5094 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5097 safestrncpy(roomname, req_room, sizeof(roomname));
5100 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5103 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5106 encoded_message = malloc((size_t)(raw_length + 4096));
5109 sprintf(encoded_message, "Content-type: %s\n", content_type);
5112 sprintf(&encoded_message[strlen(encoded_message)],
5113 "Content-transfer-encoding: base64\n\n"
5117 sprintf(&encoded_message[strlen(encoded_message)],
5118 "Content-transfer-encoding: 7bit\n\n"
5124 &encoded_message[strlen(encoded_message)],
5132 &encoded_message[strlen(encoded_message)],
5138 syslog(LOG_DEBUG, "Allocating\n");
5139 msg = malloc(sizeof(struct CtdlMessage));
5140 memset(msg, 0, sizeof(struct CtdlMessage));
5141 msg->cm_magic = CTDLMESSAGE_MAGIC;
5142 msg->cm_anon_type = MES_NORMAL;
5143 msg->cm_format_type = 4;
5144 msg->cm_fields['A'] = strdup(CC->user.fullname);
5145 msg->cm_fields['O'] = strdup(req_room);
5146 msg->cm_fields['N'] = strdup(config.c_nodename);
5147 msg->cm_fields['H'] = strdup(config.c_humannode);
5148 msg->cm_flags = flags;
5150 msg->cm_fields['M'] = encoded_message;
5152 /* Create the requested room if we have to. */
5153 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5154 CtdlCreateRoom(roomname,
5155 ( (is_mailbox != NULL) ? 5 : 3 ),
5156 "", 0, 1, 0, VIEW_BBS);
5158 /* If the caller specified this object as unique, delete all
5159 * other objects of this type that are currently in the room.
5162 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5163 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5166 /* Now write the data */
5167 CtdlSubmitMsg(msg, NULL, roomname, 0);
5168 CtdlFreeMessage(msg);
5176 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5177 config_msgnum = msgnum;
5181 char *CtdlGetSysConfig(char *sysconfname) {
5182 char hold_rm[ROOMNAMELEN];
5185 struct CtdlMessage *msg;
5188 strcpy(hold_rm, CC->room.QRname);
5189 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5190 CtdlGetRoom(&CC->room, hold_rm);
5195 /* We want the last (and probably only) config in this room */
5196 begin_critical_section(S_CONFIG);
5197 config_msgnum = (-1L);
5198 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5199 CtdlGetSysConfigBackend, NULL);
5200 msgnum = config_msgnum;
5201 end_critical_section(S_CONFIG);
5207 msg = CtdlFetchMessage(msgnum, 1);
5209 conf = strdup(msg->cm_fields['M']);
5210 CtdlFreeMessage(msg);
5217 CtdlGetRoom(&CC->room, hold_rm);
5219 if (conf != NULL) do {
5220 extract_token(buf, conf, 0, '\n', sizeof buf);
5221 strcpy(conf, &conf[strlen(buf)+1]);
5222 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5228 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5229 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5234 * Determine whether a given Internet address belongs to the current user
5236 int CtdlIsMe(char *addr, int addr_buf_len)
5238 struct recptypes *recp;
5241 recp = validate_recipients(addr, NULL, 0);
5242 if (recp == NULL) return(0);
5244 if (recp->num_local == 0) {
5245 free_recipients(recp);
5249 for (i=0; i<recp->num_local; ++i) {
5250 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5251 if (!strcasecmp(addr, CC->user.fullname)) {
5252 free_recipients(recp);
5257 free_recipients(recp);
5263 * Citadel protocol command to do the same
5265 void cmd_isme(char *argbuf) {
5268 if (CtdlAccessCheck(ac_logged_in)) return;
5269 extract_token(addr, argbuf, 0, '|', sizeof addr);
5271 if (CtdlIsMe(addr, sizeof addr)) {
5272 cprintf("%d %s\n", CIT_OK, addr);
5275 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5281 /*****************************************************************************/
5282 /* MODULE INITIALIZATION STUFF */
5283 /*****************************************************************************/
5285 CTDL_MODULE_INIT(msgbase)
5288 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5289 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5290 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5291 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5292 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5293 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5294 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5295 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5296 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5297 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5298 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5299 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5302 /* return our Subversion id for the Log */