2 * Implements the message store.
4 * Copyright (c) 1987-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #if TIME_WITH_SYS_TIME
28 # include <sys/time.h>
32 # include <sys/time.h>
45 #include <sys/types.h>
47 #include <libcitadel.h>
50 #include "serv_extensions.h"
54 #include "sysdep_decls.h"
55 #include "citserver.h"
62 #include "internet_addressing.h"
63 #include "euidindex.h"
64 #include "journaling.h"
65 #include "citadel_dirs.h"
66 #include "clientsocket.h"
67 #include "serv_network.h"
70 #include "ctdl_module.h"
73 struct addresses_to_be_filed *atbf = NULL;
75 /* This temp file holds the queue of operations for AdjRefCount() */
76 static FILE *arcfp = NULL;
79 * This really belongs in serv_network.c, but I don't know how to export
80 * symbols between modules.
82 struct FilterList *filterlist = NULL;
86 * These are the four-character field headers we use when outputting
87 * messages in Citadel format (as opposed to RFC822 format).
90 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
91 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
92 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
93 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
96 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
126 * This function is self explanatory.
127 * (What can I say, I'm in a weird mood today...)
129 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
133 for (i = 0; i < strlen(name); ++i) {
134 if (name[i] == '@') {
135 while (isspace(name[i - 1]) && i > 0) {
136 strcpy(&name[i - 1], &name[i]);
139 while (isspace(name[i + 1])) {
140 strcpy(&name[i + 1], &name[i + 2]);
148 * Aliasing for network mail.
149 * (Error messages have been commented out, because this is a server.)
151 int alias(char *name)
152 { /* process alias and routing info for mail */
155 char aaa[SIZ], bbb[SIZ];
156 char *ignetcfg = NULL;
157 char *ignetmap = NULL;
163 char original_name[256];
164 safestrncpy(original_name, name, sizeof original_name);
167 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
168 stripallbut(name, '<', '>');
170 fp = fopen(file_mail_aliases, "r");
172 fp = fopen("/dev/null", "r");
179 while (fgets(aaa, sizeof aaa, fp) != NULL) {
180 while (isspace(name[0]))
181 strcpy(name, &name[1]);
182 aaa[strlen(aaa) - 1] = 0;
184 for (a = 0; a < strlen(aaa); ++a) {
186 strcpy(bbb, &aaa[a + 1]);
190 if (!strcasecmp(name, aaa))
195 /* Hit the Global Address Book */
196 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
200 if (strcasecmp(original_name, name)) {
201 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
204 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
205 for (a=0; a<strlen(name); ++a) {
206 if (name[a] == '@') {
207 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
209 syslog(LOG_INFO, "Changed to <%s>\n", name);
214 /* determine local or remote type, see citadel.h */
215 at = haschar(name, '@');
216 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
217 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
218 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
220 /* figure out the delivery mode */
221 extract_token(node, name, 1, '@', sizeof node);
223 /* If there are one or more dots in the nodename, we assume that it
224 * is an FQDN and will attempt SMTP delivery to the Internet.
226 if (haschar(node, '.') > 0) {
227 return(MES_INTERNET);
230 /* Otherwise we look in the IGnet maps for a valid Citadel node.
231 * Try directly-connected nodes first...
233 ignetcfg = CtdlGetSysConfig(IGNETCFG);
234 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
235 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
236 extract_token(testnode, buf, 0, '|', sizeof testnode);
237 if (!strcasecmp(node, testnode)) {
245 * Then try nodes that are two or more hops away.
247 ignetmap = CtdlGetSysConfig(IGNETMAP);
248 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
249 extract_token(buf, ignetmap, i, '\n', sizeof buf);
250 extract_token(testnode, buf, 0, '|', sizeof testnode);
251 if (!strcasecmp(node, testnode)) {
258 /* If we get to this point it's an invalid node name */
264 * Back end for the MSGS command: output message number only.
266 void simple_listing(long msgnum, void *userdata)
268 cprintf("%ld\n", msgnum);
274 * Back end for the MSGS command: output header summary.
276 void headers_listing(long msgnum, void *userdata)
278 struct CtdlMessage *msg;
280 msg = CtdlFetchMessage(msgnum, 0);
282 cprintf("%ld|0|||||\n", msgnum);
286 cprintf("%ld|%s|%s|%s|%s|%s|\n",
288 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
289 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
290 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
291 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
292 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
294 CtdlFreeMessage(msg);
298 * Back end for the MSGS command: output EUID header.
300 void headers_euid(long msgnum, void *userdata)
302 struct CtdlMessage *msg;
304 msg = CtdlFetchMessage(msgnum, 0);
306 cprintf("%ld||\n", msgnum);
310 cprintf("%ld|%s|%s\n",
312 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
313 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
314 CtdlFreeMessage(msg);
321 /* Determine if a given message matches the fields in a message template.
322 * Return 0 for a successful match.
324 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
327 /* If there aren't any fields in the template, all messages will
330 if (template == NULL) return(0);
332 /* Null messages are bogus. */
333 if (msg == NULL) return(1);
335 for (i='A'; i<='Z'; ++i) {
336 if (template->cm_fields[i] != NULL) {
337 if (msg->cm_fields[i] == NULL) {
338 /* Considered equal if temmplate is empty string */
339 if (IsEmptyStr(template->cm_fields[i])) continue;
342 if (strcasecmp(msg->cm_fields[i],
343 template->cm_fields[i])) return 1;
347 /* All compares succeeded: we have a match! */
354 * Retrieve the "seen" message list for the current room.
356 void CtdlGetSeen(char *buf, int which_set) {
359 /* Learn about the user and room in question */
360 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
362 if (which_set == ctdlsetseen_seen)
363 safestrncpy(buf, vbuf.v_seen, SIZ);
364 if (which_set == ctdlsetseen_answered)
365 safestrncpy(buf, vbuf.v_answered, SIZ);
371 * Manipulate the "seen msgs" string (or other message set strings)
373 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
374 int target_setting, int which_set,
375 struct ctdluser *which_user, struct ctdlroom *which_room) {
376 struct cdbdata *cdbfr;
390 char *is_set; /* actually an array of booleans */
392 /* Don't bother doing *anything* if we were passed a list of zero messages */
393 if (num_target_msgnums < 1) {
397 /* If no room was specified, we go with the current room. */
399 which_room = &CC->room;
402 /* If no user was specified, we go with the current user. */
404 which_user = &CC->user;
407 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
408 num_target_msgnums, target_msgnums[0],
409 (target_setting ? "SET" : "CLEAR"),
413 /* Learn about the user and room in question */
414 CtdlGetRelationship(&vbuf, which_user, which_room);
416 /* Load the message list */
417 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
419 msglist = (long *) cdbfr->ptr;
420 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
421 num_msgs = cdbfr->len / sizeof(long);
424 return; /* No messages at all? No further action. */
427 is_set = malloc(num_msgs * sizeof(char));
428 memset(is_set, 0, (num_msgs * sizeof(char)) );
430 /* Decide which message set we're manipulating */
432 case ctdlsetseen_seen:
433 vset = NewStrBufPlain(vbuf.v_seen, -1);
435 case ctdlsetseen_answered:
436 vset = NewStrBufPlain(vbuf.v_answered, -1);
443 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
444 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
445 for (i=0; i<num_msgs; ++i) {
446 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
448 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
449 for (k=0; k<num_target_msgnums; ++k) {
450 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
454 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
456 /* Translate the existing sequence set into an array of booleans */
457 setstr = NewStrBuf();
461 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
463 StrBufExtract_token(lostr, setstr, 0, ':');
464 if (StrBufNum_tokens(setstr, ':') >= 2) {
465 StrBufExtract_token(histr, setstr, 1, ':');
469 StrBufAppendBuf(histr, lostr, 0);
472 if (!strcmp(ChrPtr(histr), "*")) {
479 for (i = 0; i < num_msgs; ++i) {
480 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
490 /* Now translate the array of booleans back into a sequence set */
496 for (i=0; i<num_msgs; ++i) {
500 for (k=0; k<num_target_msgnums; ++k) {
501 if (msglist[i] == target_msgnums[k]) {
502 is_seen = target_setting;
506 if ((was_seen == 0) && (is_seen == 1)) {
509 else if ((was_seen == 1) && (is_seen == 0)) {
512 if (StrLength(vset) > 0) {
513 StrBufAppendBufPlain(vset, HKEY(","), 0);
516 StrBufAppendPrintf(vset, "%ld", hi);
519 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
523 if ((is_seen) && (i == num_msgs - 1)) {
524 if (StrLength(vset) > 0) {
525 StrBufAppendBufPlain(vset, HKEY(","), 0);
527 if ((i==0) || (was_seen == 0)) {
528 StrBufAppendPrintf(vset, "%ld", msglist[i]);
531 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
539 * We will have to stuff this string back into a 4096 byte buffer, so if it's
540 * larger than that now, truncate it by removing tokens from the beginning.
541 * The limit of 100 iterations is there to prevent an infinite loop in case
542 * something unexpected happens.
544 int number_of_truncations = 0;
545 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
546 StrBufRemove_token(vset, 0, ',');
547 ++number_of_truncations;
551 * If we're truncating the sequence set of messages marked with the 'seen' flag,
552 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
553 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
555 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
557 first_tok = NewStrBuf();
558 StrBufExtract_token(first_tok, vset, 0, ',');
559 StrBufRemove_token(vset, 0, ',');
561 if (StrBufNum_tokens(first_tok, ':') > 1) {
562 StrBufRemove_token(first_tok, 0, ':');
566 new_set = NewStrBuf();
567 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
568 StrBufAppendBuf(new_set, first_tok, 0);
569 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
570 StrBufAppendBuf(new_set, vset, 0);
573 FreeStrBuf(&first_tok);
577 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
579 /* Decide which message set we're manipulating */
581 case ctdlsetseen_seen:
582 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
584 case ctdlsetseen_answered:
585 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
591 CtdlSetRelationship(&vbuf, which_user, which_room);
597 * API function to perform an operation for each qualifying message in the
598 * current room. (Returns the number of messages processed.)
600 int CtdlForEachMessage(int mode, long ref, char *search_string,
602 struct CtdlMessage *compare,
603 ForEachMsgCallback CallBack,
609 struct cdbdata *cdbfr;
610 long *msglist = NULL;
612 int num_processed = 0;
615 struct CtdlMessage *msg = NULL;
618 int printed_lastold = 0;
619 int num_search_msgs = 0;
620 long *search_msgs = NULL;
622 int need_to_free_re = 0;
625 if ((content_type) && (!IsEmptyStr(content_type))) {
626 regcomp(&re, content_type, 0);
630 /* Learn about the user and room in question */
631 CtdlGetUser(&CC->user, CC->curr_user);
632 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
634 /* Load the message list */
635 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
637 if (need_to_free_re) regfree(&re);
638 return 0; /* No messages at all? No further action. */
641 msglist = (long *) cdbfr->ptr;
642 num_msgs = cdbfr->len / sizeof(long);
644 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
645 cdb_free(cdbfr); /* we own this memory now */
648 * We cache the most recent msglist in order to do security checks later
650 if (CC->client_socket > 0) {
651 if (CC->cached_msglist != NULL) {
652 free(CC->cached_msglist);
655 CC->cached_msglist = msglist;
656 CC->cached_num_msgs = num_msgs;
657 syslog(LOG_DEBUG, "\033[34m RELOAD \033[0m\n");
661 * Now begin the traversal.
663 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
665 /* If the caller is looking for a specific MIME type, filter
666 * out all messages which are not of the type requested.
668 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
670 /* This call to GetMetaData() sits inside this loop
671 * so that we only do the extra database read per msg
672 * if we need to. Doing the extra read all the time
673 * really kills the server. If we ever need to use
674 * metadata for another search criterion, we need to
675 * move the read somewhere else -- but still be smart
676 * enough to only do the read if the caller has
677 * specified something that will need it.
679 GetMetaData(&smi, msglist[a]);
681 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
682 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
688 num_msgs = sort_msglist(msglist, num_msgs);
690 /* If a template was supplied, filter out the messages which
691 * don't match. (This could induce some delays!)
694 if (compare != NULL) {
695 for (a = 0; a < num_msgs; ++a) {
696 msg = CtdlFetchMessage(msglist[a], 1);
698 if (CtdlMsgCmp(msg, compare)) {
701 CtdlFreeMessage(msg);
707 /* If a search string was specified, get a message list from
708 * the full text index and remove messages which aren't on both
712 * Since the lists are sorted and strictly ascending, and the
713 * output list is guaranteed to be shorter than or equal to the
714 * input list, we overwrite the bottom of the input list. This
715 * eliminates the need to memmove big chunks of the list over and
718 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
720 /* Call search module via hook mechanism.
721 * NULL means use any search function available.
722 * otherwise replace with a char * to name of search routine
724 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
726 if (num_search_msgs > 0) {
730 orig_num_msgs = num_msgs;
732 for (i=0; i<orig_num_msgs; ++i) {
733 for (j=0; j<num_search_msgs; ++j) {
734 if (msglist[i] == search_msgs[j]) {
735 msglist[num_msgs++] = msglist[i];
741 num_msgs = 0; /* No messages qualify */
743 if (search_msgs != NULL) free(search_msgs);
745 /* Now that we've purged messages which don't contain the search
746 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
753 * Now iterate through the message list, according to the
754 * criteria supplied by the caller.
757 for (a = 0; a < num_msgs; ++a) {
758 thismsg = msglist[a];
759 if (mode == MSGS_ALL) {
763 is_seen = is_msg_in_sequence_set(
764 vbuf.v_seen, thismsg);
765 if (is_seen) lastold = thismsg;
771 || ((mode == MSGS_OLD) && (is_seen))
772 || ((mode == MSGS_NEW) && (!is_seen))
773 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
774 || ((mode == MSGS_FIRST) && (a < ref))
775 || ((mode == MSGS_GT) && (thismsg > ref))
776 || ((mode == MSGS_LT) && (thismsg < ref))
777 || ((mode == MSGS_EQ) && (thismsg == ref))
780 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
782 CallBack(lastold, userdata);
786 if (CallBack) CallBack(thismsg, userdata);
790 if (need_to_free_re) regfree(&re);
791 if (CC->client_socket <= 0) free(msglist);
792 return num_processed;
798 * cmd_msgs() - get list of message #'s in this room
799 * implements the MSGS server command using CtdlForEachMessage()
801 void cmd_msgs(char *cmdbuf)
810 int with_template = 0;
811 struct CtdlMessage *template = NULL;
812 char search_string[1024];
813 ForEachMsgCallback CallBack;
815 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
817 extract_token(which, cmdbuf, 0, '|', sizeof which);
818 cm_ref = extract_int(cmdbuf, 1);
819 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
820 with_template = extract_int(cmdbuf, 2);
821 switch (extract_int(cmdbuf, 3))
825 CallBack = simple_listing;
828 CallBack = headers_listing;
831 CallBack = headers_euid;
836 if (!strncasecmp(which, "OLD", 3))
838 else if (!strncasecmp(which, "NEW", 3))
840 else if (!strncasecmp(which, "FIRST", 5))
842 else if (!strncasecmp(which, "LAST", 4))
844 else if (!strncasecmp(which, "GT", 2))
846 else if (!strncasecmp(which, "LT", 2))
848 else if (!strncasecmp(which, "SEARCH", 6))
853 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
854 cprintf("%d Full text index is not enabled on this server.\n",
855 ERROR + CMD_NOT_SUPPORTED);
861 cprintf("%d Send template then receive message list\n",
863 template = (struct CtdlMessage *)
864 malloc(sizeof(struct CtdlMessage));
865 memset(template, 0, sizeof(struct CtdlMessage));
866 template->cm_magic = CTDLMESSAGE_MAGIC;
867 template->cm_anon_type = MES_NORMAL;
869 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
870 extract_token(tfield, buf, 0, '|', sizeof tfield);
871 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
872 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
873 if (!strcasecmp(tfield, msgkeys[i])) {
874 template->cm_fields[i] =
882 cprintf("%d \n", LISTING_FOLLOWS);
885 CtdlForEachMessage(mode,
886 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
887 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
892 if (template != NULL) CtdlFreeMessage(template);
900 * help_subst() - support routine for help file viewer
902 void help_subst(char *strbuf, char *source, char *dest)
907 while (p = pattern2(strbuf, source), (p >= 0)) {
908 strcpy(workbuf, &strbuf[p + strlen(source)]);
909 strcpy(&strbuf[p], dest);
910 strcat(strbuf, workbuf);
915 void do_help_subst(char *buffer)
919 help_subst(buffer, "^nodename", config.c_nodename);
920 help_subst(buffer, "^humannode", config.c_humannode);
921 help_subst(buffer, "^fqdn", config.c_fqdn);
922 help_subst(buffer, "^username", CC->user.fullname);
923 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
924 help_subst(buffer, "^usernum", buf2);
925 help_subst(buffer, "^sysadm", config.c_sysadm);
926 help_subst(buffer, "^variantname", CITADEL);
927 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
928 help_subst(buffer, "^maxsessions", buf2);
929 help_subst(buffer, "^bbsdir", ctdl_message_dir);
935 * memfmout() - Citadel text formatter and paginator.
936 * Although the original purpose of this routine was to format
937 * text to the reader's screen width, all we're really using it
938 * for here is to format text out to 80 columns before sending it
939 * to the client. The client software may reformat it again.
942 char *mptr, /* where are we going to get our text from? */
943 const char *nl /* string to terminate lines with */
946 unsigned char ch = 0;
953 while (ch=*(mptr++), ch != 0) {
956 client_write(outbuf, len);
958 client_write(nl, nllen);
961 else if (ch == '\r') {
962 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
964 else if (isspace(ch)) {
965 if (column > 72) { /* Beyond 72 columns, break on the next space */
966 client_write(outbuf, len);
968 client_write(nl, nllen);
979 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
980 client_write(outbuf, len);
982 client_write(nl, nllen);
988 client_write(outbuf, len);
990 client_write(nl, nllen);
998 * Callback function for mime parser that simply lists the part
1000 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1001 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1002 char *cbid, void *cbuserdata)
1006 ma = (struct ma_info *)cbuserdata;
1007 if (ma->is_ma == 0) {
1008 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1021 * Callback function for multipart prefix
1023 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1024 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1025 char *cbid, void *cbuserdata)
1029 ma = (struct ma_info *)cbuserdata;
1030 if (!strcasecmp(cbtype, "multipart/alternative")) {
1034 if (ma->is_ma == 0) {
1035 cprintf("pref=%s|%s\n", partnum, cbtype);
1040 * Callback function for multipart sufffix
1042 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1043 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1044 char *cbid, void *cbuserdata)
1048 ma = (struct ma_info *)cbuserdata;
1049 if (ma->is_ma == 0) {
1050 cprintf("suff=%s|%s\n", partnum, cbtype);
1052 if (!strcasecmp(cbtype, "multipart/alternative")) {
1059 * Callback function for mime parser that opens a section for downloading
1061 void mime_download(char *name, char *filename, char *partnum, char *disp,
1062 void *content, char *cbtype, char *cbcharset, size_t length,
1063 char *encoding, char *cbid, void *cbuserdata)
1067 /* Silently go away if there's already a download open. */
1068 if (CC->download_fp != NULL)
1072 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1073 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1075 CC->download_fp = tmpfile();
1076 if (CC->download_fp == NULL)
1079 rv = fwrite(content, length, 1, CC->download_fp);
1080 fflush(CC->download_fp);
1081 rewind(CC->download_fp);
1083 OpenCmdResult(filename, cbtype);
1090 * Callback function for mime parser that outputs a section all at once.
1091 * We can specify the desired section by part number *or* content-id.
1093 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1094 void *content, char *cbtype, char *cbcharset, size_t length,
1095 char *encoding, char *cbid, void *cbuserdata)
1097 int *found_it = (int *)cbuserdata;
1100 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1101 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1104 cprintf("%d %d|-1|%s|%s|%s\n",
1111 client_write(content, length);
1117 * Load a message from disk into memory.
1118 * This is used by CtdlOutputMsg() and other fetch functions.
1120 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1121 * using the CtdlMessageFree() function.
1123 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1125 struct cdbdata *dmsgtext;
1126 struct CtdlMessage *ret = NULL;
1130 cit_uint8_t field_header;
1132 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1133 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1134 if (dmsgtext == NULL) {
1137 mptr = dmsgtext->ptr;
1138 upper_bound = mptr + dmsgtext->len;
1140 /* Parse the three bytes that begin EVERY message on disk.
1141 * The first is always 0xFF, the on-disk magic number.
1142 * The second is the anonymous/public type byte.
1143 * The third is the format type byte (vari, fixed, or MIME).
1147 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1151 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1152 memset(ret, 0, sizeof(struct CtdlMessage));
1154 ret->cm_magic = CTDLMESSAGE_MAGIC;
1155 ret->cm_anon_type = *mptr++; /* Anon type byte */
1156 ret->cm_format_type = *mptr++; /* Format type byte */
1159 * The rest is zero or more arbitrary fields. Load them in.
1160 * We're done when we encounter either a zero-length field or
1161 * have just processed the 'M' (message text) field.
1164 if (mptr >= upper_bound) {
1167 field_header = *mptr++;
1168 ret->cm_fields[field_header] = strdup(mptr);
1170 while (*mptr++ != 0); /* advance to next field */
1172 } while ((mptr < upper_bound) && (field_header != 'M'));
1176 /* Always make sure there's something in the msg text field. If
1177 * it's NULL, the message text is most likely stored separately,
1178 * so go ahead and fetch that. Failing that, just set a dummy
1179 * body so other code doesn't barf.
1181 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1182 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1183 if (dmsgtext != NULL) {
1184 ret->cm_fields['M'] = dmsgtext->ptr;
1185 dmsgtext->ptr = NULL;
1189 if (ret->cm_fields['M'] == NULL) {
1190 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1193 /* Perform "before read" hooks (aborting if any return nonzero) */
1194 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1195 CtdlFreeMessage(ret);
1204 * Returns 1 if the supplied pointer points to a valid Citadel message.
1205 * If the pointer is NULL or the magic number check fails, returns 0.
1207 int is_valid_message(struct CtdlMessage *msg) {
1210 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1211 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1219 * 'Destructor' for struct CtdlMessage
1221 void CtdlFreeMessage(struct CtdlMessage *msg)
1225 if (is_valid_message(msg) == 0)
1227 if (msg != NULL) free (msg);
1231 for (i = 0; i < 256; ++i)
1232 if (msg->cm_fields[i] != NULL) {
1233 free(msg->cm_fields[i]);
1236 msg->cm_magic = 0; /* just in case */
1242 * Pre callback function for multipart/alternative
1244 * NOTE: this differs from the standard behavior for a reason. Normally when
1245 * displaying multipart/alternative you want to show the _last_ usable
1246 * format in the message. Here we show the _first_ one, because it's
1247 * usually text/plain. Since this set of functions is designed for text
1248 * output to non-MIME-aware clients, this is the desired behavior.
1251 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1252 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1253 char *cbid, void *cbuserdata)
1257 ma = (struct ma_info *)cbuserdata;
1258 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1259 if (!strcasecmp(cbtype, "multipart/alternative")) {
1263 if (!strcasecmp(cbtype, "message/rfc822")) {
1269 * Post callback function for multipart/alternative
1271 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1272 void *content, char *cbtype, char *cbcharset, size_t length,
1273 char *encoding, char *cbid, void *cbuserdata)
1277 ma = (struct ma_info *)cbuserdata;
1278 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1279 if (!strcasecmp(cbtype, "multipart/alternative")) {
1283 if (!strcasecmp(cbtype, "message/rfc822")) {
1289 * Inline callback function for mime parser that wants to display text
1291 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1292 void *content, char *cbtype, char *cbcharset, size_t length,
1293 char *encoding, char *cbid, void *cbuserdata)
1300 ma = (struct ma_info *)cbuserdata;
1303 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1304 partnum, filename, cbtype, (long)length);
1307 * If we're in the middle of a multipart/alternative scope and
1308 * we've already printed another section, skip this one.
1310 if ( (ma->is_ma) && (ma->did_print) ) {
1311 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1316 if ( (!strcasecmp(cbtype, "text/plain"))
1317 || (IsEmptyStr(cbtype)) ) {
1320 client_write(wptr, length);
1321 if (wptr[length-1] != '\n') {
1328 if (!strcasecmp(cbtype, "text/html")) {
1329 ptr = html_to_ascii(content, length, 80, 0);
1331 client_write(ptr, wlen);
1332 if (ptr[wlen-1] != '\n') {
1339 if (ma->use_fo_hooks) {
1340 if (PerformFixedOutputHooks(cbtype, content, length)) {
1341 /* above function returns nonzero if it handled the part */
1346 if (strncasecmp(cbtype, "multipart/", 10)) {
1347 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1348 partnum, filename, cbtype, (long)length);
1354 * The client is elegant and sophisticated and wants to be choosy about
1355 * MIME content types, so figure out which multipart/alternative part
1356 * we're going to send.
1358 * We use a system of weights. When we find a part that matches one of the
1359 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1360 * and then set ma->chosen_pref to that MIME type's position in our preference
1361 * list. If we then hit another match, we only replace the first match if
1362 * the preference value is lower.
1364 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1365 void *content, char *cbtype, char *cbcharset, size_t length,
1366 char *encoding, char *cbid, void *cbuserdata)
1372 ma = (struct ma_info *)cbuserdata;
1374 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1375 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1376 // I don't know if there are any side effects! Please TEST TEST TEST
1377 //if (ma->is_ma > 0) {
1379 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1380 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1381 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1382 if (i < ma->chosen_pref) {
1383 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1384 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1385 ma->chosen_pref = i;
1392 * Now that we've chosen our preferred part, output it.
1394 void output_preferred(char *name,
1408 int add_newline = 0;
1411 char *decoded = NULL;
1412 size_t bytes_decoded;
1415 ma = (struct ma_info *)cbuserdata;
1417 /* This is not the MIME part you're looking for... */
1418 if (strcasecmp(partnum, ma->chosen_part)) return;
1420 /* If the content-type of this part is in our preferred formats
1421 * list, we can simply output it verbatim.
1423 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1424 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1425 if (!strcasecmp(buf, cbtype)) {
1426 /* Yeah! Go! W00t!! */
1427 if (ma->dont_decode == 0)
1428 rc = mime_decode_now (content,
1434 break; /* Give us the chance, maybe theres another one. */
1436 if (rc == 0) text_content = (char *)content;
1438 text_content = decoded;
1439 length = bytes_decoded;
1442 if (text_content[length-1] != '\n') {
1445 cprintf("Content-type: %s", cbtype);
1446 if (!IsEmptyStr(cbcharset)) {
1447 cprintf("; charset=%s", cbcharset);
1449 cprintf("\nContent-length: %d\n",
1450 (int)(length + add_newline) );
1451 if (!IsEmptyStr(encoding)) {
1452 cprintf("Content-transfer-encoding: %s\n", encoding);
1455 cprintf("Content-transfer-encoding: 7bit\n");
1457 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1459 client_write(text_content, length);
1460 if (add_newline) cprintf("\n");
1461 if (decoded != NULL) free(decoded);
1466 /* No translations required or possible: output as text/plain */
1467 cprintf("Content-type: text/plain\n\n");
1469 if (ma->dont_decode == 0)
1470 rc = mime_decode_now (content,
1476 return; /* Give us the chance, maybe theres another one. */
1478 if (rc == 0) text_content = (char *)content;
1480 text_content = decoded;
1481 length = bytes_decoded;
1484 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1485 length, encoding, cbid, cbuserdata);
1486 if (decoded != NULL) free(decoded);
1491 char desired_section[64];
1498 * Callback function for
1500 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1501 void *content, char *cbtype, char *cbcharset, size_t length,
1502 char *encoding, char *cbid, void *cbuserdata)
1504 struct encapmsg *encap;
1506 encap = (struct encapmsg *)cbuserdata;
1508 /* Only proceed if this is the desired section... */
1509 if (!strcasecmp(encap->desired_section, partnum)) {
1510 encap->msglen = length;
1511 encap->msg = malloc(length + 2);
1512 memcpy(encap->msg, content, length);
1519 * Determine whether the specified message exists in the cached_msglist
1520 * (This is a security check)
1522 int check_cached_msglist(long msgnum) {
1524 /* cases in which we skip the check */
1525 if (!CC) return om_ok; /* not a session */
1526 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1527 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1528 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1531 /* FIXME FIXME SLOW SEARCH DO NOT LET THIS GO INTO PRODUCTION */
1533 for (i=0; i < CC->cached_num_msgs ; ++i) {
1534 if (CC->cached_msglist[i] == msgnum) return om_ok;
1537 return om_access_denied;
1542 * Determine whether the currently logged in session has permission to read
1543 * messages in the current room.
1545 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1546 if ( (!(CC->logged_in))
1547 && (!(CC->internal_pgm))
1548 && (!config.c_guest_logins)
1550 return(om_not_logged_in);
1557 * Get a message off disk. (returns om_* values found in msgbase.h)
1560 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1561 int mode, /* how would you like that message? */
1562 int headers_only, /* eschew the message body? */
1563 int do_proto, /* do Citadel protocol responses? */
1564 int crlf, /* Use CRLF newlines instead of LF? */
1565 char *section, /* NULL or a message/rfc822 section */
1566 int flags /* various flags; see msgbase.h */
1568 struct CtdlMessage *TheMessage = NULL;
1569 int retcode = om_no_such_msg;
1570 struct encapmsg encap;
1573 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1575 (section ? section : "<>")
1578 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1581 if (r == om_not_logged_in) {
1582 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1585 cprintf("%d An unknown error has occurred.\n", ERROR);
1591 r = check_cached_msglist(msg_num);
1593 syslog(LOG_DEBUG, "\033[32m PASS \033[0m\n");
1596 syslog(LOG_DEBUG, "\033[31m FAIL \033[0m\n");
1598 /* FIXME after testing, this is where we deny access */
1601 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1602 * request that we don't even bother loading the body into memory.
1604 if (headers_only == HEADERS_FAST) {
1605 TheMessage = CtdlFetchMessage(msg_num, 0);
1608 TheMessage = CtdlFetchMessage(msg_num, 1);
1611 if (TheMessage == NULL) {
1612 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1613 ERROR + MESSAGE_NOT_FOUND, msg_num);
1614 return(om_no_such_msg);
1617 /* Here is the weird form of this command, to process only an
1618 * encapsulated message/rfc822 section.
1620 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1621 memset(&encap, 0, sizeof encap);
1622 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1623 mime_parser(TheMessage->cm_fields['M'],
1625 *extract_encapsulated_message,
1626 NULL, NULL, (void *)&encap, 0
1628 CtdlFreeMessage(TheMessage);
1632 encap.msg[encap.msglen] = 0;
1633 TheMessage = convert_internet_message(encap.msg);
1634 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1636 /* Now we let it fall through to the bottom of this
1637 * function, because TheMessage now contains the
1638 * encapsulated message instead of the top-level
1639 * message. Isn't that neat?
1644 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1645 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1646 retcode = om_no_such_msg;
1651 /* Ok, output the message now */
1652 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1653 CtdlFreeMessage(TheMessage);
1659 char *qp_encode_email_addrs(char *source)
1661 char *user, *node, *name;
1662 const char headerStr[] = "=?UTF-8?Q?";
1666 int need_to_encode = 0;
1672 long nAddrPtrMax = 50;
1677 if (source == NULL) return source;
1678 if (IsEmptyStr(source)) return source;
1680 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1682 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1683 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1684 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1687 while (!IsEmptyStr (&source[i])) {
1688 if (nColons >= nAddrPtrMax){
1691 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1692 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1693 free (AddrPtr), AddrPtr = ptr;
1695 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1696 memset(&ptr[nAddrPtrMax], 0,
1697 sizeof (long) * nAddrPtrMax);
1699 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1700 free (AddrUtf8), AddrUtf8 = ptr;
1703 if (((unsigned char) source[i] < 32) ||
1704 ((unsigned char) source[i] > 126)) {
1706 AddrUtf8[nColons] = 1;
1708 if (source[i] == '"')
1709 InQuotes = !InQuotes;
1710 if (!InQuotes && source[i] == ',') {
1711 AddrPtr[nColons] = i;
1716 if (need_to_encode == 0) {
1723 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1724 Encoded = (char*) malloc (EncodedMaxLen);
1726 for (i = 0; i < nColons; i++)
1727 source[AddrPtr[i]++] = '\0';
1728 /* TODO: if libidn, this might get larger*/
1729 user = malloc(SourceLen + 1);
1730 node = malloc(SourceLen + 1);
1731 name = malloc(SourceLen + 1);
1735 for (i = 0; i < nColons && nPtr != NULL; i++) {
1736 nmax = EncodedMaxLen - (nPtr - Encoded);
1738 process_rfc822_addr(&source[AddrPtr[i]],
1742 /* TODO: libIDN here ! */
1743 if (IsEmptyStr(name)) {
1744 n = snprintf(nPtr, nmax,
1745 (i==0)?"%s@%s" : ",%s@%s",
1749 EncodedName = rfc2047encode(name, strlen(name));
1750 n = snprintf(nPtr, nmax,
1751 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1752 EncodedName, user, node);
1757 n = snprintf(nPtr, nmax,
1758 (i==0)?"%s" : ",%s",
1759 &source[AddrPtr[i]]);
1765 ptr = (char*) malloc(EncodedMaxLen * 2);
1766 memcpy(ptr, Encoded, EncodedMaxLen);
1767 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1768 free(Encoded), Encoded = ptr;
1770 i--; /* do it once more with properly lengthened buffer */
1773 for (i = 0; i < nColons; i++)
1774 source[--AddrPtr[i]] = ',';
1785 /* If the last item in a list of recipients was truncated to a partial address,
1786 * remove it completely in order to avoid choking libSieve
1788 void sanitize_truncated_recipient(char *str)
1791 if (num_tokens(str, ',') < 2) return;
1793 int len = strlen(str);
1794 if (len < 900) return;
1795 if (len > 998) str[998] = 0;
1797 char *cptr = strrchr(str, ',');
1800 char *lptr = strchr(cptr, '<');
1801 char *rptr = strchr(cptr, '>');
1803 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1809 void OutputCtdlMsgHeaders(
1810 struct CtdlMessage *TheMessage,
1811 int do_proto) /* do Citadel protocol responses? */
1817 char display_name[256];
1819 /* begin header processing loop for Citadel message format */
1820 safestrncpy(display_name, "<unknown>", sizeof display_name);
1821 if (TheMessage->cm_fields['A']) {
1822 strcpy(buf, TheMessage->cm_fields['A']);
1823 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1824 safestrncpy(display_name, "****", sizeof display_name);
1826 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1827 safestrncpy(display_name, "anonymous", sizeof display_name);
1830 safestrncpy(display_name, buf, sizeof display_name);
1832 if ((is_room_aide())
1833 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1834 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1835 size_t tmp = strlen(display_name);
1836 snprintf(&display_name[tmp],
1837 sizeof display_name - tmp,
1842 /* Don't show Internet address for users on the
1843 * local Citadel network.
1846 if (TheMessage->cm_fields['N'] != NULL)
1847 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1848 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1852 /* Now spew the header fields in the order we like them. */
1853 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1854 for (i=0; i<n; ++i) {
1855 k = (int) allkeys[i];
1857 if ( (TheMessage->cm_fields[k] != NULL)
1858 && (msgkeys[k] != NULL) ) {
1859 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1860 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1863 if (do_proto) cprintf("%s=%s\n",
1867 else if ((k == 'F') && (suppress_f)) {
1870 /* Masquerade display name if needed */
1872 if (do_proto) cprintf("%s=%s\n",
1874 TheMessage->cm_fields[k]
1883 void OutputRFC822MsgHeaders(
1884 struct CtdlMessage *TheMessage,
1885 int flags, /* should the bessage be exported clean */
1887 char *mid, long sizeof_mid,
1888 char *suser, long sizeof_suser,
1889 char *luser, long sizeof_luser,
1890 char *fuser, long sizeof_fuser,
1891 char *snode, long sizeof_snode)
1893 char datestamp[100];
1894 int subject_found = 0;
1900 for (i = 0; i < 256; ++i) {
1901 if (TheMessage->cm_fields[i]) {
1902 mptr = mpptr = TheMessage->cm_fields[i];
1905 safestrncpy(luser, mptr, sizeof_luser);
1906 safestrncpy(suser, mptr, sizeof_suser);
1908 else if (i == 'Y') {
1909 if ((flags & QP_EADDR) != 0) {
1910 mptr = qp_encode_email_addrs(mptr);
1912 sanitize_truncated_recipient(mptr);
1913 cprintf("CC: %s%s", mptr, nl);
1915 else if (i == 'P') {
1916 cprintf("Return-Path: %s%s", mptr, nl);
1918 else if (i == 'L') {
1919 cprintf("List-ID: %s%s", mptr, nl);
1921 else if (i == 'V') {
1922 if ((flags & QP_EADDR) != 0)
1923 mptr = qp_encode_email_addrs(mptr);
1924 cprintf("Envelope-To: %s%s", mptr, nl);
1926 else if (i == 'U') {
1927 cprintf("Subject: %s%s", mptr, nl);
1931 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1933 safestrncpy(fuser, mptr, sizeof_fuser);
1934 /* else if (i == 'O')
1935 cprintf("X-Citadel-Room: %s%s",
1938 safestrncpy(snode, mptr, sizeof_snode);
1941 if (haschar(mptr, '@') == 0)
1943 sanitize_truncated_recipient(mptr);
1944 cprintf("To: %s@%s", mptr, config.c_fqdn);
1949 if ((flags & QP_EADDR) != 0) {
1950 mptr = qp_encode_email_addrs(mptr);
1952 sanitize_truncated_recipient(mptr);
1953 cprintf("To: %s", mptr);
1957 else if (i == 'T') {
1958 datestring(datestamp, sizeof datestamp,
1959 atol(mptr), DATESTRING_RFC822);
1960 cprintf("Date: %s%s", datestamp, nl);
1962 else if (i == 'W') {
1963 cprintf("References: ");
1964 k = num_tokens(mptr, '|');
1965 for (j=0; j<k; ++j) {
1966 extract_token(buf, mptr, j, '|', sizeof buf);
1967 cprintf("<%s>", buf);
1976 else if (i == 'K') {
1977 cprintf("Reply-To: <%s>%s", mptr, nl);
1983 if (subject_found == 0) {
1984 cprintf("Subject: (no subject)%s", nl);
1989 void Dump_RFC822HeadersBody(
1990 struct CtdlMessage *TheMessage,
1991 int headers_only, /* eschew the message body? */
1992 int flags, /* should the bessage be exported clean? */
1996 cit_uint8_t prev_ch;
1998 const char *StartOfText = StrBufNOTNULL;
2001 int nllen = strlen(nl);
2004 mptr = TheMessage->cm_fields['M'];
2008 while (*mptr != '\0') {
2009 if (*mptr == '\r') {
2016 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2018 eoh = *(mptr+1) == '\n';
2022 StartOfText = strchr(StartOfText, '\n');
2023 StartOfText = strchr(StartOfText, '\n');
2026 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2027 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2028 ((headers_only != HEADERS_NONE) &&
2029 (headers_only != HEADERS_ONLY))
2031 if (*mptr == '\n') {
2032 memcpy(&outbuf[outlen], nl, nllen);
2034 outbuf[outlen] = '\0';
2037 outbuf[outlen++] = *mptr;
2041 if (flags & ESC_DOT)
2043 if ((prev_ch == '\n') &&
2045 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2047 outbuf[outlen++] = '.';
2052 if (outlen > 1000) {
2053 client_write(outbuf, outlen);
2058 client_write(outbuf, outlen);
2065 /* If the format type on disk is 1 (fixed-format), then we want
2066 * everything to be output completely literally ... regardless of
2067 * what message transfer format is in use.
2069 void DumpFormatFixed(
2070 struct CtdlMessage *TheMessage,
2071 int mode, /* how would you like that message? */
2078 int nllen = strlen (nl);
2081 mptr = TheMessage->cm_fields['M'];
2083 if (mode == MT_MIME) {
2084 cprintf("Content-type: text/plain\n\n");
2088 while (ch = *mptr++, ch > 0) {
2092 if ((buflen > 250) && (!xlline)){
2096 while ((buflen > 0) &&
2097 (!isspace(buf[buflen])))
2103 mptr -= tbuflen - buflen;
2108 /* if we reach the outer bounds of our buffer,
2109 abort without respect what whe purge. */
2112 (buflen > SIZ - nllen - 2)))
2116 memcpy (&buf[buflen], nl, nllen);
2120 client_write(buf, buflen);
2130 if (!IsEmptyStr(buf))
2131 cprintf("%s%s", buf, nl);
2135 * Get a message off disk. (returns om_* values found in msgbase.h)
2137 int CtdlOutputPreLoadedMsg(
2138 struct CtdlMessage *TheMessage,
2139 int mode, /* how would you like that message? */
2140 int headers_only, /* eschew the message body? */
2141 int do_proto, /* do Citadel protocol responses? */
2142 int crlf, /* Use CRLF newlines instead of LF? */
2143 int flags /* should the bessage be exported clean? */
2147 const char *nl; /* newline string */
2150 /* Buffers needed for RFC822 translation. These are all filled
2151 * using functions that are bounds-checked, and therefore we can
2152 * make them substantially smaller than SIZ.
2160 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2161 ((TheMessage == NULL) ? "NULL" : "not null"),
2162 mode, headers_only, do_proto, crlf);
2164 strcpy(mid, "unknown");
2165 nl = (crlf ? "\r\n" : "\n");
2167 if (!is_valid_message(TheMessage)) {
2169 "ERROR: invalid preloaded message for output\n");
2171 return(om_no_such_msg);
2174 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2175 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2177 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2178 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2181 /* Are we downloading a MIME component? */
2182 if (mode == MT_DOWNLOAD) {
2183 if (TheMessage->cm_format_type != FMT_RFC822) {
2185 cprintf("%d This is not a MIME message.\n",
2186 ERROR + ILLEGAL_VALUE);
2187 } else if (CC->download_fp != NULL) {
2188 if (do_proto) cprintf(
2189 "%d You already have a download open.\n",
2190 ERROR + RESOURCE_BUSY);
2192 /* Parse the message text component */
2193 mptr = TheMessage->cm_fields['M'];
2194 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2195 /* If there's no file open by this time, the requested
2196 * section wasn't found, so print an error
2198 if (CC->download_fp == NULL) {
2199 if (do_proto) cprintf(
2200 "%d Section %s not found.\n",
2201 ERROR + FILE_NOT_FOUND,
2202 CC->download_desired_section);
2205 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2208 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2209 * in a single server operation instead of opening a download file.
2211 if (mode == MT_SPEW_SECTION) {
2212 if (TheMessage->cm_format_type != FMT_RFC822) {
2214 cprintf("%d This is not a MIME message.\n",
2215 ERROR + ILLEGAL_VALUE);
2217 /* Parse the message text component */
2220 mptr = TheMessage->cm_fields['M'];
2221 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2222 /* If section wasn't found, print an error
2225 if (do_proto) cprintf(
2226 "%d Section %s not found.\n",
2227 ERROR + FILE_NOT_FOUND,
2228 CC->download_desired_section);
2231 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2234 /* now for the user-mode message reading loops */
2235 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2237 /* Does the caller want to skip the headers? */
2238 if (headers_only == HEADERS_NONE) goto START_TEXT;
2240 /* Tell the client which format type we're using. */
2241 if ( (mode == MT_CITADEL) && (do_proto) ) {
2242 cprintf("type=%d\n", TheMessage->cm_format_type);
2245 /* nhdr=yes means that we're only displaying headers, no body */
2246 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2247 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2250 cprintf("nhdr=yes\n");
2253 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2254 OutputCtdlMsgHeaders(TheMessage, do_proto);
2257 /* begin header processing loop for RFC822 transfer format */
2261 strcpy(snode, NODENAME);
2262 if (mode == MT_RFC822)
2263 OutputRFC822MsgHeaders(
2268 suser, sizeof(suser),
2269 luser, sizeof(luser),
2270 fuser, sizeof(fuser),
2271 snode, sizeof(snode)
2275 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2276 suser[i] = tolower(suser[i]);
2277 if (!isalnum(suser[i])) suser[i]='_';
2280 if (mode == MT_RFC822) {
2281 if (!strcasecmp(snode, NODENAME)) {
2282 safestrncpy(snode, FQDN, sizeof snode);
2285 /* Construct a fun message id */
2286 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2287 if (strchr(mid, '@')==NULL) {
2288 cprintf("@%s", snode);
2292 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2293 cprintf("From: \"----\" <x@x.org>%s", nl);
2295 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2296 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2298 else if (!IsEmptyStr(fuser)) {
2299 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2302 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2305 /* Blank line signifying RFC822 end-of-headers */
2306 if (TheMessage->cm_format_type != FMT_RFC822) {
2311 /* end header processing loop ... at this point, we're in the text */
2313 if (headers_only == HEADERS_FAST) goto DONE;
2315 /* Tell the client about the MIME parts in this message */
2316 if (TheMessage->cm_format_type == FMT_RFC822) {
2317 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2318 mptr = TheMessage->cm_fields['M'];
2319 memset(&ma, 0, sizeof(struct ma_info));
2320 mime_parser(mptr, NULL,
2321 (do_proto ? *list_this_part : NULL),
2322 (do_proto ? *list_this_pref : NULL),
2323 (do_proto ? *list_this_suff : NULL),
2326 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2327 Dump_RFC822HeadersBody(
2336 if (headers_only == HEADERS_ONLY) {
2340 /* signify start of msg text */
2341 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2342 if (do_proto) cprintf("text\n");
2345 if (TheMessage->cm_format_type == FMT_FIXED)
2348 mode, /* how would you like that message? */
2351 /* If the message on disk is format 0 (Citadel vari-format), we
2352 * output using the formatter at 80 columns. This is the final output
2353 * form if the transfer format is RFC822, but if the transfer format
2354 * is Citadel proprietary, it'll still work, because the indentation
2355 * for new paragraphs is correct and the client will reformat the
2356 * message to the reader's screen width.
2358 if (TheMessage->cm_format_type == FMT_CITADEL) {
2359 mptr = TheMessage->cm_fields['M'];
2361 if (mode == MT_MIME) {
2362 cprintf("Content-type: text/x-citadel-variformat\n\n");
2367 /* If the message on disk is format 4 (MIME), we've gotta hand it
2368 * off to the MIME parser. The client has already been told that
2369 * this message is format 1 (fixed format), so the callback function
2370 * we use will display those parts as-is.
2372 if (TheMessage->cm_format_type == FMT_RFC822) {
2373 memset(&ma, 0, sizeof(struct ma_info));
2375 if (mode == MT_MIME) {
2376 ma.use_fo_hooks = 0;
2377 strcpy(ma.chosen_part, "1");
2378 ma.chosen_pref = 9999;
2379 ma.dont_decode = CC->msg4_dont_decode;
2380 mime_parser(mptr, NULL,
2381 *choose_preferred, *fixed_output_pre,
2382 *fixed_output_post, (void *)&ma, 1);
2383 mime_parser(mptr, NULL,
2384 *output_preferred, NULL, NULL, (void *)&ma, 1);
2387 ma.use_fo_hooks = 1;
2388 mime_parser(mptr, NULL,
2389 *fixed_output, *fixed_output_pre,
2390 *fixed_output_post, (void *)&ma, 0);
2395 DONE: /* now we're done */
2396 if (do_proto) cprintf("000\n");
2402 * display a message (mode 0 - Citadel proprietary)
2404 void cmd_msg0(char *cmdbuf)
2407 int headers_only = HEADERS_ALL;
2409 msgid = extract_long(cmdbuf, 0);
2410 headers_only = extract_int(cmdbuf, 1);
2412 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2418 * display a message (mode 2 - RFC822)
2420 void cmd_msg2(char *cmdbuf)
2423 int headers_only = HEADERS_ALL;
2425 msgid = extract_long(cmdbuf, 0);
2426 headers_only = extract_int(cmdbuf, 1);
2428 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2434 * display a message (mode 3 - IGnet raw format - internal programs only)
2436 void cmd_msg3(char *cmdbuf)
2439 struct CtdlMessage *msg = NULL;
2442 if (CC->internal_pgm == 0) {
2443 cprintf("%d This command is for internal programs only.\n",
2444 ERROR + HIGHER_ACCESS_REQUIRED);
2448 msgnum = extract_long(cmdbuf, 0);
2449 msg = CtdlFetchMessage(msgnum, 1);
2451 cprintf("%d Message %ld not found.\n",
2452 ERROR + MESSAGE_NOT_FOUND, msgnum);
2456 serialize_message(&smr, msg);
2457 CtdlFreeMessage(msg);
2460 cprintf("%d Unable to serialize message\n",
2461 ERROR + INTERNAL_ERROR);
2465 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2466 client_write((char *)smr.ser, (int)smr.len);
2473 * Display a message using MIME content types
2475 void cmd_msg4(char *cmdbuf)
2480 msgid = extract_long(cmdbuf, 0);
2481 extract_token(section, cmdbuf, 1, '|', sizeof section);
2482 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2488 * Client tells us its preferred message format(s)
2490 void cmd_msgp(char *cmdbuf)
2492 if (!strcasecmp(cmdbuf, "dont_decode")) {
2493 CC->msg4_dont_decode = 1;
2494 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2497 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2498 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2504 * Open a component of a MIME message as a download file
2506 void cmd_opna(char *cmdbuf)
2509 char desired_section[128];
2511 msgid = extract_long(cmdbuf, 0);
2512 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2513 safestrncpy(CC->download_desired_section, desired_section,
2514 sizeof CC->download_desired_section);
2515 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2520 * Open a component of a MIME message and transmit it all at once
2522 void cmd_dlat(char *cmdbuf)
2525 char desired_section[128];
2527 msgid = extract_long(cmdbuf, 0);
2528 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2529 safestrncpy(CC->download_desired_section, desired_section,
2530 sizeof CC->download_desired_section);
2531 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2536 * Save one or more message pointers into a specified room
2537 * (Returns 0 for success, nonzero for failure)
2538 * roomname may be NULL to use the current room
2540 * Note that the 'supplied_msg' field may be set to NULL, in which case
2541 * the message will be fetched from disk, by number, if we need to perform
2542 * replication checks. This adds an additional database read, so if the
2543 * caller already has the message in memory then it should be supplied. (Obviously
2544 * this mode of operation only works if we're saving a single message.)
2546 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2547 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2550 char hold_rm[ROOMNAMELEN];
2551 struct cdbdata *cdbfr;
2554 long highest_msg = 0L;
2557 struct CtdlMessage *msg = NULL;
2559 long *msgs_to_be_merged = NULL;
2560 int num_msgs_to_be_merged = 0;
2563 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2564 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2567 strcpy(hold_rm, CC->room.QRname);
2570 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2571 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2572 if (num_newmsgs > 1) supplied_msg = NULL;
2574 /* Now the regular stuff */
2575 if (CtdlGetRoomLock(&CC->room,
2576 ((roomname != NULL) ? roomname : CC->room.QRname) )
2578 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2579 return(ERROR + ROOM_NOT_FOUND);
2583 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2584 num_msgs_to_be_merged = 0;
2587 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2588 if (cdbfr == NULL) {
2592 msglist = (long *) cdbfr->ptr;
2593 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2594 num_msgs = cdbfr->len / sizeof(long);
2599 /* Create a list of msgid's which were supplied by the caller, but do
2600 * not already exist in the target room. It is absolutely taboo to
2601 * have more than one reference to the same message in a room.
2603 for (i=0; i<num_newmsgs; ++i) {
2605 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2606 if (msglist[j] == newmsgidlist[i]) {
2611 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2615 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2618 * Now merge the new messages
2620 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2621 if (msglist == NULL) {
2622 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2624 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2625 num_msgs += num_msgs_to_be_merged;
2627 /* Sort the message list, so all the msgid's are in order */
2628 num_msgs = sort_msglist(msglist, num_msgs);
2630 /* Determine the highest message number */
2631 highest_msg = msglist[num_msgs - 1];
2633 /* Write it back to disk. */
2634 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2635 msglist, (int)(num_msgs * sizeof(long)));
2637 /* Free up the memory we used. */
2640 /* Update the highest-message pointer and unlock the room. */
2641 CC->room.QRhighest = highest_msg;
2642 CtdlPutRoomLock(&CC->room);
2644 /* Perform replication checks if necessary */
2645 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2646 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2648 for (i=0; i<num_msgs_to_be_merged; ++i) {
2649 msgid = msgs_to_be_merged[i];
2651 if (supplied_msg != NULL) {
2655 msg = CtdlFetchMessage(msgid, 0);
2659 ReplicationChecks(msg);
2661 /* If the message has an Exclusive ID, index that... */
2662 if (msg->cm_fields['E'] != NULL) {
2663 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2666 /* Free up the memory we may have allocated */
2667 if (msg != supplied_msg) {
2668 CtdlFreeMessage(msg);
2676 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2679 /* Submit this room for processing by hooks */
2680 PerformRoomHooks(&CC->room);
2682 /* Go back to the room we were in before we wandered here... */
2683 CtdlGetRoom(&CC->room, hold_rm);
2685 /* Bump the reference count for all messages which were merged */
2686 if (!suppress_refcount_adj) {
2687 for (i=0; i<num_msgs_to_be_merged; ++i) {
2688 AdjRefCount(msgs_to_be_merged[i], +1);
2692 /* Free up memory... */
2693 if (msgs_to_be_merged != NULL) {
2694 free(msgs_to_be_merged);
2697 /* Return success. */
2703 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2706 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2707 int do_repl_check, struct CtdlMessage *supplied_msg)
2709 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2716 * Message base operation to save a new message to the message store
2717 * (returns new message number)
2719 * This is the back end for CtdlSubmitMsg() and should not be directly
2720 * called by server-side modules.
2723 long send_message(struct CtdlMessage *msg) {
2731 /* Get a new message number */
2732 newmsgid = get_new_message_number();
2733 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2735 /* Generate an ID if we don't have one already */
2736 if (msg->cm_fields['I']==NULL) {
2737 msg->cm_fields['I'] = strdup(msgidbuf);
2740 /* If the message is big, set its body aside for storage elsewhere */
2741 if (msg->cm_fields['M'] != NULL) {
2742 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2744 holdM = msg->cm_fields['M'];
2745 msg->cm_fields['M'] = NULL;
2749 /* Serialize our data structure for storage in the database */
2750 serialize_message(&smr, msg);
2753 msg->cm_fields['M'] = holdM;
2757 cprintf("%d Unable to serialize message\n",
2758 ERROR + INTERNAL_ERROR);
2762 /* Write our little bundle of joy into the message base */
2763 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2764 smr.ser, smr.len) < 0) {
2765 syslog(LOG_ERR, "Can't store message\n");
2769 cdb_store(CDB_BIGMSGS,
2779 /* Free the memory we used for the serialized message */
2782 /* Return the *local* message ID to the caller
2783 * (even if we're storing an incoming network message)
2791 * Serialize a struct CtdlMessage into the format used on disk and network.
2793 * This function loads up a "struct ser_ret" (defined in server.h) which
2794 * contains the length of the serialized message and a pointer to the
2795 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2797 void serialize_message(struct ser_ret *ret, /* return values */
2798 struct CtdlMessage *msg) /* unserialized msg */
2800 size_t wlen, fieldlen;
2802 static char *forder = FORDER;
2805 * Check for valid message format
2807 if (is_valid_message(msg) == 0) {
2808 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2815 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2816 ret->len = ret->len +
2817 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2819 ret->ser = malloc(ret->len);
2820 if (ret->ser == NULL) {
2821 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2822 (long)ret->len, strerror(errno));
2829 ret->ser[1] = msg->cm_anon_type;
2830 ret->ser[2] = msg->cm_format_type;
2833 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2834 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2835 ret->ser[wlen++] = (char)forder[i];
2836 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2837 wlen = wlen + fieldlen + 1;
2839 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2840 (long)ret->len, (long)wlen);
2847 * Serialize a struct CtdlMessage into the format used on disk and network.
2849 * This function loads up a "struct ser_ret" (defined in server.h) which
2850 * contains the length of the serialized message and a pointer to the
2851 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2853 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2854 long Siz) /* how many chars ? */
2858 static char *forder = FORDER;
2862 * Check for valid message format
2864 if (is_valid_message(msg) == 0) {
2865 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2869 buf = (char*) malloc (Siz + 1);
2873 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2874 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2875 msg->cm_fields[(int)forder[i]]);
2876 client_write (buf, strlen(buf));
2885 * Check to see if any messages already exist in the current room which
2886 * carry the same Exclusive ID as this one. If any are found, delete them.
2888 void ReplicationChecks(struct CtdlMessage *msg) {
2889 long old_msgnum = (-1L);
2891 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2893 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2896 /* No exclusive id? Don't do anything. */
2897 if (msg == NULL) return;
2898 if (msg->cm_fields['E'] == NULL) return;
2899 if (IsEmptyStr(msg->cm_fields['E'])) return;
2900 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2901 msg->cm_fields['E'], CC->room.QRname);*/
2903 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2904 if (old_msgnum > 0L) {
2905 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2906 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2913 * Save a message to disk and submit it into the delivery system.
2915 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2916 struct recptypes *recps, /* recipients (if mail) */
2917 char *force, /* force a particular room? */
2918 int flags /* should the message be exported clean? */
2920 char submit_filename[128];
2921 char generated_timestamp[32];
2922 char hold_rm[ROOMNAMELEN];
2923 char actual_rm[ROOMNAMELEN];
2924 char force_room[ROOMNAMELEN];
2925 char content_type[SIZ]; /* We have to learn this */
2926 char recipient[SIZ];
2928 const char *mptr = NULL;
2929 struct ctdluser userbuf;
2931 struct MetaData smi;
2932 FILE *network_fp = NULL;
2933 static int seqnum = 1;
2934 struct CtdlMessage *imsg = NULL;
2936 size_t instr_alloc = 0;
2938 char *hold_R, *hold_D;
2939 char *collected_addresses = NULL;
2940 struct addresses_to_be_filed *aptr = NULL;
2941 StrBuf *saved_rfc822_version = NULL;
2942 int qualified_for_journaling = 0;
2943 CitContext *CCC = MyContext();
2944 char bounce_to[1024] = "";
2948 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
2949 if (is_valid_message(msg) == 0) return(-1); /* self check */
2951 /* If this message has no timestamp, we take the liberty of
2952 * giving it one, right now.
2954 if (msg->cm_fields['T'] == NULL) {
2955 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2956 msg->cm_fields['T'] = strdup(generated_timestamp);
2959 /* If this message has no path, we generate one.
2961 if (msg->cm_fields['P'] == NULL) {
2962 if (msg->cm_fields['A'] != NULL) {
2963 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2964 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2965 if (isspace(msg->cm_fields['P'][a])) {
2966 msg->cm_fields['P'][a] = ' ';
2971 msg->cm_fields['P'] = strdup("unknown");
2975 if (force == NULL) {
2976 strcpy(force_room, "");
2979 strcpy(force_room, force);
2982 /* Learn about what's inside, because it's what's inside that counts */
2983 if (msg->cm_fields['M'] == NULL) {
2984 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
2988 switch (msg->cm_format_type) {
2990 strcpy(content_type, "text/x-citadel-variformat");
2993 strcpy(content_type, "text/plain");
2996 strcpy(content_type, "text/plain");
2997 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3000 safestrncpy(content_type, &mptr[13], sizeof content_type);
3001 striplt(content_type);
3002 aptr = content_type;
3003 while (!IsEmptyStr(aptr)) {
3015 /* Goto the correct room */
3016 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3017 strcpy(hold_rm, CCC->room.QRname);
3018 strcpy(actual_rm, CCC->room.QRname);
3019 if (recps != NULL) {
3020 strcpy(actual_rm, SENTITEMS);
3023 /* If the user is a twit, move to the twit room for posting */
3025 if (CCC->user.axlevel == AxProbU) {
3026 strcpy(hold_rm, actual_rm);
3027 strcpy(actual_rm, config.c_twitroom);
3028 syslog(LOG_DEBUG, "Diverting to twit room\n");
3032 /* ...or if this message is destined for Aide> then go there. */
3033 if (!IsEmptyStr(force_room)) {
3034 strcpy(actual_rm, force_room);
3037 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3038 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3039 /* CtdlGetRoom(&CCC->room, actual_rm); */
3040 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3044 * If this message has no O (room) field, generate one.
3046 if (msg->cm_fields['O'] == NULL) {
3047 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3050 /* Perform "before save" hooks (aborting if any return nonzero) */
3051 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3052 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3055 * If this message has an Exclusive ID, and the room is replication
3056 * checking enabled, then do replication checks.
3058 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3059 ReplicationChecks(msg);
3062 /* Save it to disk */
3063 syslog(LOG_DEBUG, "Saving to disk\n");
3064 newmsgid = send_message(msg);
3065 if (newmsgid <= 0L) return(-5);
3067 /* Write a supplemental message info record. This doesn't have to
3068 * be a critical section because nobody else knows about this message
3071 syslog(LOG_DEBUG, "Creating MetaData record\n");
3072 memset(&smi, 0, sizeof(struct MetaData));
3073 smi.meta_msgnum = newmsgid;
3074 smi.meta_refcount = 0;
3075 safestrncpy(smi.meta_content_type, content_type,
3076 sizeof smi.meta_content_type);
3079 * Measure how big this message will be when rendered as RFC822.
3080 * We do this for two reasons:
3081 * 1. We need the RFC822 length for the new metadata record, so the
3082 * POP and IMAP services don't have to calculate message lengths
3083 * while the user is waiting (multiplied by potentially hundreds
3084 * or thousands of messages).
3085 * 2. If journaling is enabled, we will need an RFC822 version of the
3086 * message to attach to the journalized copy.
3088 if (CCC->redirect_buffer != NULL) {
3089 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3092 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3093 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3094 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3095 saved_rfc822_version = CCC->redirect_buffer;
3096 CCC->redirect_buffer = NULL;
3100 /* Now figure out where to store the pointers */
3101 syslog(LOG_DEBUG, "Storing pointers\n");
3103 /* If this is being done by the networker delivering a private
3104 * message, we want to BYPASS saving the sender's copy (because there
3105 * is no local sender; it would otherwise go to the Trashcan).
3107 if ((!CCC->internal_pgm) || (recps == NULL)) {
3108 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3109 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3110 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3114 /* For internet mail, drop a copy in the outbound queue room */
3115 if ((recps != NULL) && (recps->num_internet > 0)) {
3116 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3119 /* If other rooms are specified, drop them there too. */
3120 if ((recps != NULL) && (recps->num_room > 0))
3121 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3122 extract_token(recipient, recps->recp_room, i,
3123 '|', sizeof recipient);
3124 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3125 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3128 /* Bump this user's messages posted counter. */
3129 syslog(LOG_DEBUG, "Updating user\n");
3130 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3131 CCC->user.posted = CCC->user.posted + 1;
3132 CtdlPutUserLock(&CCC->user);
3134 /* Decide where bounces need to be delivered */
3135 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3136 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3138 else if (CCC->logged_in) {
3139 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3142 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3145 /* If this is private, local mail, make a copy in the
3146 * recipient's mailbox and bump the reference count.
3148 if ((recps != NULL) && (recps->num_local > 0))
3149 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3150 extract_token(recipient, recps->recp_local, i,
3151 '|', sizeof recipient);
3152 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3154 if (CtdlGetUser(&userbuf, recipient) == 0) {
3155 // Add a flag so the Funambol module knows its mail
3156 msg->cm_fields['W'] = strdup(recipient);
3157 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3158 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3159 CtdlBumpNewMailCounter(userbuf.usernum);
3160 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3161 /* Generate a instruction message for the Funambol notification
3162 * server, in the same style as the SMTP queue
3165 instr = malloc(instr_alloc);
3166 snprintf(instr, instr_alloc,
3167 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3169 SPOOLMIME, newmsgid, (long)time(NULL),
3173 imsg = malloc(sizeof(struct CtdlMessage));
3174 memset(imsg, 0, sizeof(struct CtdlMessage));
3175 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3176 imsg->cm_anon_type = MES_NORMAL;
3177 imsg->cm_format_type = FMT_RFC822;
3178 imsg->cm_fields['A'] = strdup("Citadel");
3179 imsg->cm_fields['J'] = strdup("do not journal");
3180 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3181 imsg->cm_fields['W'] = strdup(recipient);
3182 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3183 CtdlFreeMessage(imsg);
3187 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3188 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3193 /* Perform "after save" hooks */
3194 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3195 PerformMessageHooks(msg, EVT_AFTERSAVE);
3197 /* For IGnet mail, we have to save a new copy into the spooler for
3198 * each recipient, with the R and D fields set to the recipient and
3199 * destination-node. This has two ugly side effects: all other
3200 * recipients end up being unlisted in this recipient's copy of the
3201 * message, and it has to deliver multiple messages to the same
3202 * node. We'll revisit this again in a year or so when everyone has
3203 * a network spool receiver that can handle the new style messages.
3205 if ((recps != NULL) && (recps->num_ignet > 0))
3206 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3207 extract_token(recipient, recps->recp_ignet, i,
3208 '|', sizeof recipient);
3210 hold_R = msg->cm_fields['R'];
3211 hold_D = msg->cm_fields['D'];
3212 msg->cm_fields['R'] = malloc(SIZ);
3213 msg->cm_fields['D'] = malloc(128);
3214 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3215 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3217 serialize_message(&smr, msg);
3219 snprintf(submit_filename, sizeof submit_filename,
3220 "%s/netmail.%04lx.%04x.%04x",
3222 (long) getpid(), CCC->cs_pid, ++seqnum);
3223 network_fp = fopen(submit_filename, "wb+");
3224 if (network_fp != NULL) {
3225 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3231 free(msg->cm_fields['R']);
3232 free(msg->cm_fields['D']);
3233 msg->cm_fields['R'] = hold_R;
3234 msg->cm_fields['D'] = hold_D;
3237 /* Go back to the room we started from */
3238 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3239 if (strcasecmp(hold_rm, CCC->room.QRname))
3240 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3242 /* For internet mail, generate delivery instructions.
3243 * Yes, this is recursive. Deal with it. Infinite recursion does
3244 * not happen because the delivery instructions message does not
3245 * contain a recipient.
3247 if ((recps != NULL) && (recps->num_internet > 0)) {
3248 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3250 instr = malloc(instr_alloc);
3251 snprintf(instr, instr_alloc,
3252 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3254 SPOOLMIME, newmsgid, (long)time(NULL),
3258 if (recps->envelope_from != NULL) {
3259 tmp = strlen(instr);
3260 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3263 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3264 tmp = strlen(instr);
3265 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3266 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3267 instr_alloc = instr_alloc * 2;
3268 instr = realloc(instr, instr_alloc);
3270 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3273 imsg = malloc(sizeof(struct CtdlMessage));
3274 memset(imsg, 0, sizeof(struct CtdlMessage));
3275 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3276 imsg->cm_anon_type = MES_NORMAL;
3277 imsg->cm_format_type = FMT_RFC822;
3278 imsg->cm_fields['A'] = strdup("Citadel");
3279 imsg->cm_fields['J'] = strdup("do not journal");
3280 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3281 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3282 CtdlFreeMessage(imsg);
3286 * Any addresses to harvest for someone's address book?
3288 if ( (CCC->logged_in) && (recps != NULL) ) {
3289 collected_addresses = harvest_collected_addresses(msg);
3292 if (collected_addresses != NULL) {
3293 aptr = (struct addresses_to_be_filed *)
3294 malloc(sizeof(struct addresses_to_be_filed));
3295 CtdlMailboxName(actual_rm, sizeof actual_rm,
3296 &CCC->user, USERCONTACTSROOM);
3297 aptr->roomname = strdup(actual_rm);
3298 aptr->collected_addresses = collected_addresses;
3299 begin_critical_section(S_ATBF);
3302 end_critical_section(S_ATBF);
3306 * Determine whether this message qualifies for journaling.
3308 if (msg->cm_fields['J'] != NULL) {
3309 qualified_for_journaling = 0;
3312 if (recps == NULL) {
3313 qualified_for_journaling = config.c_journal_pubmsgs;
3315 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3316 qualified_for_journaling = config.c_journal_email;
3319 qualified_for_journaling = config.c_journal_pubmsgs;
3324 * Do we have to perform journaling? If so, hand off the saved
3325 * RFC822 version will be handed off to the journaler for background
3326 * submit. Otherwise, we have to free the memory ourselves.
3328 if (saved_rfc822_version != NULL) {
3329 if (qualified_for_journaling) {
3330 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3333 FreeStrBuf(&saved_rfc822_version);
3343 void aide_message (char *text, char *subject)
3345 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3350 * Convenience function for generating small administrative messages.
3352 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3353 int format_type, const char *subject)
3355 struct CtdlMessage *msg;
3356 struct recptypes *recp = NULL;
3358 msg = malloc(sizeof(struct CtdlMessage));
3359 memset(msg, 0, sizeof(struct CtdlMessage));
3360 msg->cm_magic = CTDLMESSAGE_MAGIC;
3361 msg->cm_anon_type = MES_NORMAL;
3362 msg->cm_format_type = format_type;
3365 msg->cm_fields['A'] = strdup(from);
3367 else if (fromaddr != NULL) {
3368 msg->cm_fields['A'] = strdup(fromaddr);
3369 if (strchr(msg->cm_fields['A'], '@')) {
3370 *strchr(msg->cm_fields['A'], '@') = 0;
3374 msg->cm_fields['A'] = strdup("Citadel");
3377 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3378 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3379 msg->cm_fields['N'] = strdup(NODENAME);
3381 msg->cm_fields['R'] = strdup(to);
3382 recp = validate_recipients(to, NULL, 0);
3384 if (subject != NULL) {
3385 msg->cm_fields['U'] = strdup(subject);
3387 msg->cm_fields['M'] = strdup(text);
3389 CtdlSubmitMsg(msg, recp, room, 0);
3390 CtdlFreeMessage(msg);
3391 if (recp != NULL) free_recipients(recp);
3397 * Back end function used by CtdlMakeMessage() and similar functions
3399 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3401 size_t maxlen, /* maximum message length */
3402 char *exist, /* if non-null, append to it;
3403 exist is ALWAYS freed */
3404 int crlf, /* CRLF newlines instead of LF */
3405 int *sock /* socket handle or 0 for this session's client socket */
3414 LineBuf = NewStrBufPlain(NULL, SIZ);
3415 if (exist == NULL) {
3416 Message = NewStrBufPlain(NULL, 4 * SIZ);
3419 Message = NewStrBufPlain(exist, -1);
3423 /* Do we need to change leading ".." to "." for SMTP escaping? */
3424 if ((tlen == 1) && (*terminator == '.')) {
3428 /* read in the lines of message text one by one */
3431 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3436 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3438 if ((StrLength(LineBuf) == tlen) &&
3439 (!strcmp(ChrPtr(LineBuf), terminator)))
3442 if ( (!flushing) && (!finished) ) {
3444 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3447 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3450 /* Unescape SMTP-style input of two dots at the beginning of the line */
3452 (StrLength(LineBuf) == 2) &&
3453 (!strcmp(ChrPtr(LineBuf), "..")))
3455 StrBufCutLeft(LineBuf, 1);
3458 StrBufAppendBuf(Message, LineBuf, 0);
3461 /* if we've hit the max msg length, flush the rest */
3462 if (StrLength(Message) >= maxlen) flushing = 1;
3464 } while (!finished);
3465 FreeStrBuf(&LineBuf);
3471 * Back end function used by CtdlMakeMessage() and similar functions
3473 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3475 size_t maxlen, /* maximum message length */
3476 char *exist, /* if non-null, append to it;
3477 exist is ALWAYS freed */
3478 int crlf, /* CRLF newlines instead of LF */
3479 int *sock /* socket handle or 0 for this session's client socket */
3484 Message = CtdlReadMessageBodyBuf(terminator,
3490 if (Message == NULL)
3493 return SmashStrBuf(&Message);
3498 * Build a binary message to be saved on disk.
3499 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3500 * will become part of the message. This means you are no longer
3501 * responsible for managing that memory -- it will be freed along with
3502 * the rest of the fields when CtdlFreeMessage() is called.)
3505 struct CtdlMessage *CtdlMakeMessage(
3506 struct ctdluser *author, /* author's user structure */
3507 char *recipient, /* NULL if it's not mail */
3508 char *recp_cc, /* NULL if it's not mail */
3509 char *room, /* room where it's going */
3510 int type, /* see MES_ types in header file */
3511 int format_type, /* variformat, plain text, MIME... */
3512 char *fake_name, /* who we're masquerading as */
3513 char *my_email, /* which of my email addresses to use (empty is ok) */
3514 char *subject, /* Subject (optional) */
3515 char *supplied_euid, /* ...or NULL if this is irrelevant */
3516 char *preformatted_text, /* ...or NULL to read text from client */
3517 char *references /* Thread references */
3519 char dest_node[256];
3521 struct CtdlMessage *msg;
3523 StrBuf *FakeEncAuthor = NULL;
3525 msg = malloc(sizeof(struct CtdlMessage));
3526 memset(msg, 0, sizeof(struct CtdlMessage));
3527 msg->cm_magic = CTDLMESSAGE_MAGIC;
3528 msg->cm_anon_type = type;
3529 msg->cm_format_type = format_type;
3531 /* Don't confuse the poor folks if it's not routed mail. */
3532 strcpy(dest_node, "");
3534 if (recipient != NULL) striplt(recipient);
3535 if (recp_cc != NULL) striplt(recp_cc);
3537 /* Path or Return-Path */
3538 if (my_email == NULL) my_email = "";
3540 if (!IsEmptyStr(my_email)) {
3541 msg->cm_fields['P'] = strdup(my_email);
3544 snprintf(buf, sizeof buf, "%s", author->fullname);
3545 msg->cm_fields['P'] = strdup(buf);
3547 convert_spaces_to_underscores(msg->cm_fields['P']);
3549 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3550 msg->cm_fields['T'] = strdup(buf);
3552 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3553 FakeAuthor = NewStrBufPlain (fake_name, -1);
3556 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3558 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3559 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3560 FreeStrBuf(&FakeAuthor);
3562 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3563 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3566 msg->cm_fields['O'] = strdup(CC->room.QRname);
3569 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3570 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3572 if ((recipient != NULL) && (recipient[0] != 0)) {
3573 msg->cm_fields['R'] = strdup(recipient);
3575 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3576 msg->cm_fields['Y'] = strdup(recp_cc);
3578 if (dest_node[0] != 0) {
3579 msg->cm_fields['D'] = strdup(dest_node);
3582 if (!IsEmptyStr(my_email)) {
3583 msg->cm_fields['F'] = strdup(my_email);
3585 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3586 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3589 if (subject != NULL) {
3592 length = strlen(subject);
3598 while ((subject[i] != '\0') &&
3599 (IsAscii = isascii(subject[i]) != 0 ))
3602 msg->cm_fields['U'] = strdup(subject);
3603 else /* ok, we've got utf8 in the string. */
3605 msg->cm_fields['U'] = rfc2047encode(subject, length);
3611 if (supplied_euid != NULL) {
3612 msg->cm_fields['E'] = strdup(supplied_euid);
3615 if (references != NULL) {
3616 if (!IsEmptyStr(references)) {
3617 msg->cm_fields['W'] = strdup(references);
3621 if (preformatted_text != NULL) {
3622 msg->cm_fields['M'] = preformatted_text;
3625 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3633 * Check to see whether we have permission to post a message in the current
3634 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3635 * returns 0 on success.
3637 int CtdlDoIHavePermissionToPostInThisRoom(
3640 const char* RemoteIdentifier,
3646 if (!(CC->logged_in) &&
3647 (PostPublic == POST_LOGGED_IN)) {
3648 snprintf(errmsgbuf, n, "Not logged in.");
3649 return (ERROR + NOT_LOGGED_IN);
3651 else if (PostPublic == CHECK_EXISTANCE) {
3652 return (0); // We're Evaling whether a recipient exists
3654 else if (!(CC->logged_in)) {
3656 if ((CC->room.QRflags & QR_READONLY)) {
3657 snprintf(errmsgbuf, n, "Not logged in.");
3658 return (ERROR + NOT_LOGGED_IN);
3660 if (CC->room.QRflags2 & QR2_MODERATED) {
3661 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3662 return (ERROR + NOT_LOGGED_IN);
3664 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3669 if (RemoteIdentifier == NULL)
3671 snprintf(errmsgbuf, n, "Need sender to permit access.");
3672 return (ERROR + USERNAME_REQUIRED);
3675 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3676 begin_critical_section(S_NETCONFIGS);
3677 if (!read_spoolcontrol_file(&sc, filename))
3679 end_critical_section(S_NETCONFIGS);
3680 snprintf(errmsgbuf, n,
3681 "This mailing list only accepts posts from subscribers.");
3682 return (ERROR + NO_SUCH_USER);
3684 end_critical_section(S_NETCONFIGS);
3685 found = is_recipient (sc, RemoteIdentifier);
3686 free_spoolcontrol_struct(&sc);
3691 snprintf(errmsgbuf, n,
3692 "This mailing list only accepts posts from subscribers.");
3693 return (ERROR + NO_SUCH_USER);
3700 if ((CC->user.axlevel < AxProbU)
3701 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3702 snprintf(errmsgbuf, n, "Need to be validated to enter "
3703 "(except in %s> to sysop)", MAILROOM);
3704 return (ERROR + HIGHER_ACCESS_REQUIRED);
3707 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3709 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3711 * To be thorough, we ought to check to see if the message they are
3712 * replying to is actually a valid one in this room, but unless this
3713 * actually becomes a problem we'll go with high performance instead.
3715 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3716 return (ERROR + HIGHER_ACCESS_REQUIRED);
3719 else if (!(ra & UA_POSTALLOWED)) {
3720 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3721 return (ERROR + HIGHER_ACCESS_REQUIRED);
3724 strcpy(errmsgbuf, "Ok");
3730 * Check to see if the specified user has Internet mail permission
3731 * (returns nonzero if permission is granted)
3733 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3735 /* Do not allow twits to send Internet mail */
3736 if (who->axlevel <= AxProbU) return(0);
3738 /* Globally enabled? */
3739 if (config.c_restrict == 0) return(1);
3741 /* User flagged ok? */
3742 if (who->flags & US_INTERNET) return(2);
3744 /* Aide level access? */
3745 if (who->axlevel >= AxAideU) return(3);
3747 /* No mail for you! */
3753 * Validate recipients, count delivery types and errors, and handle aliasing
3754 * FIXME check for dupes!!!!!
3756 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3757 * were specified, or the number of addresses found invalid.
3759 * Caller needs to free the result using free_recipients()
3761 struct recptypes *validate_recipients(const char *supplied_recipients,
3762 const char *RemoteIdentifier,
3764 struct recptypes *ret;
3765 char *recipients = NULL;
3766 char this_recp[256];
3767 char this_recp_cooked[256];
3773 struct ctdluser tempUS;
3774 struct ctdlroom tempQR;
3775 struct ctdlroom tempQR2;
3781 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3782 if (ret == NULL) return(NULL);
3784 /* Set all strings to null and numeric values to zero */
3785 memset(ret, 0, sizeof(struct recptypes));
3787 if (supplied_recipients == NULL) {
3788 recipients = strdup("");
3791 recipients = strdup(supplied_recipients);
3794 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3795 * actually need, but it's healthier for the heap than doing lots of tiny
3796 * realloc() calls instead.
3799 ret->errormsg = malloc(strlen(recipients) + 1024);
3800 ret->recp_local = malloc(strlen(recipients) + 1024);
3801 ret->recp_internet = malloc(strlen(recipients) + 1024);
3802 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3803 ret->recp_room = malloc(strlen(recipients) + 1024);
3804 ret->display_recp = malloc(strlen(recipients) + 1024);
3806 ret->errormsg[0] = 0;
3807 ret->recp_local[0] = 0;
3808 ret->recp_internet[0] = 0;
3809 ret->recp_ignet[0] = 0;
3810 ret->recp_room[0] = 0;
3811 ret->display_recp[0] = 0;
3813 ret->recptypes_magic = RECPTYPES_MAGIC;
3815 /* Change all valid separator characters to commas */
3816 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3817 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3818 recipients[i] = ',';
3822 /* Now start extracting recipients... */
3824 while (!IsEmptyStr(recipients)) {
3826 for (i=0; i<=strlen(recipients); ++i) {
3827 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3828 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3829 safestrncpy(this_recp, recipients, i+1);
3831 if (recipients[i] == ',') {
3832 strcpy(recipients, &recipients[i+1]);
3835 strcpy(recipients, "");
3842 if (IsEmptyStr(this_recp))
3844 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3846 mailtype = alias(this_recp);
3847 mailtype = alias(this_recp);
3848 mailtype = alias(this_recp);
3850 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3851 if (this_recp[j]=='_') {
3852 this_recp_cooked[j] = ' ';
3855 this_recp_cooked[j] = this_recp[j];
3858 this_recp_cooked[j] = '\0';
3863 if (!strcasecmp(this_recp, "sysop")) {
3865 strcpy(this_recp, config.c_aideroom);
3866 if (!IsEmptyStr(ret->recp_room)) {
3867 strcat(ret->recp_room, "|");
3869 strcat(ret->recp_room, this_recp);
3871 else if ( (!strncasecmp(this_recp, "room_", 5))
3872 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3874 /* Save room so we can restore it later */
3878 /* Check permissions to send mail to this room */
3879 err = CtdlDoIHavePermissionToPostInThisRoom(
3884 0 /* 0 = not a reply */
3893 if (!IsEmptyStr(ret->recp_room)) {
3894 strcat(ret->recp_room, "|");
3896 strcat(ret->recp_room, &this_recp_cooked[5]);
3899 /* Restore room in case something needs it */
3903 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3905 strcpy(this_recp, tempUS.fullname);
3906 if (!IsEmptyStr(ret->recp_local)) {
3907 strcat(ret->recp_local, "|");
3909 strcat(ret->recp_local, this_recp);
3911 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3913 strcpy(this_recp, tempUS.fullname);
3914 if (!IsEmptyStr(ret->recp_local)) {
3915 strcat(ret->recp_local, "|");
3917 strcat(ret->recp_local, this_recp);
3925 /* Yes, you're reading this correctly: if the target
3926 * domain points back to the local system or an attached
3927 * Citadel directory, the address is invalid. That's
3928 * because if the address were valid, we would have
3929 * already translated it to a local address by now.
3931 if (IsDirectory(this_recp, 0)) {
3936 ++ret->num_internet;
3937 if (!IsEmptyStr(ret->recp_internet)) {
3938 strcat(ret->recp_internet, "|");
3940 strcat(ret->recp_internet, this_recp);
3945 if (!IsEmptyStr(ret->recp_ignet)) {
3946 strcat(ret->recp_ignet, "|");
3948 strcat(ret->recp_ignet, this_recp);
3956 if (IsEmptyStr(errmsg)) {
3957 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3960 snprintf(append, sizeof append, "%s", errmsg);
3962 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3963 if (!IsEmptyStr(ret->errormsg)) {
3964 strcat(ret->errormsg, "; ");
3966 strcat(ret->errormsg, append);
3970 if (IsEmptyStr(ret->display_recp)) {
3971 strcpy(append, this_recp);
3974 snprintf(append, sizeof append, ", %s", this_recp);
3976 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3977 strcat(ret->display_recp, append);
3982 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3983 ret->num_room + ret->num_error) == 0) {
3984 ret->num_error = (-1);
3985 strcpy(ret->errormsg, "No recipients specified.");
3988 syslog(LOG_DEBUG, "validate_recipients()\n");
3989 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3990 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3991 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3992 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3993 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4001 * Destructor for struct recptypes
4003 void free_recipients(struct recptypes *valid) {
4005 if (valid == NULL) {
4009 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4010 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4014 if (valid->errormsg != NULL) free(valid->errormsg);
4015 if (valid->recp_local != NULL) free(valid->recp_local);
4016 if (valid->recp_internet != NULL) free(valid->recp_internet);
4017 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4018 if (valid->recp_room != NULL) free(valid->recp_room);
4019 if (valid->display_recp != NULL) free(valid->display_recp);
4020 if (valid->bounce_to != NULL) free(valid->bounce_to);
4021 if (valid->envelope_from != NULL) free(valid->envelope_from);
4028 * message entry - mode 0 (normal)
4030 void cmd_ent0(char *entargs)
4036 char supplied_euid[128];
4038 int format_type = 0;
4039 char newusername[256];
4040 char newuseremail[256];
4041 struct CtdlMessage *msg;
4045 struct recptypes *valid = NULL;
4046 struct recptypes *valid_to = NULL;
4047 struct recptypes *valid_cc = NULL;
4048 struct recptypes *valid_bcc = NULL;
4050 int subject_required = 0;
4055 int newuseremail_ok = 0;
4056 char references[SIZ];
4061 post = extract_int(entargs, 0);
4062 extract_token(recp, entargs, 1, '|', sizeof recp);
4063 anon_flag = extract_int(entargs, 2);
4064 format_type = extract_int(entargs, 3);
4065 extract_token(subject, entargs, 4, '|', sizeof subject);
4066 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4067 do_confirm = extract_int(entargs, 6);
4068 extract_token(cc, entargs, 7, '|', sizeof cc);
4069 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4070 switch(CC->room.QRdefaultview) {
4073 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4076 supplied_euid[0] = 0;
4079 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4080 extract_token(references, entargs, 11, '|', sizeof references);
4081 for (ptr=references; *ptr != 0; ++ptr) {
4082 if (*ptr == '!') *ptr = '|';
4085 /* first check to make sure the request is valid. */
4087 err = CtdlDoIHavePermissionToPostInThisRoom(
4092 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4096 cprintf("%d %s\n", err, errmsg);
4100 /* Check some other permission type things. */
4102 if (IsEmptyStr(newusername)) {
4103 strcpy(newusername, CC->user.fullname);
4105 if ( (CC->user.axlevel < AxAideU)
4106 && (strcasecmp(newusername, CC->user.fullname))
4107 && (strcasecmp(newusername, CC->cs_inet_fn))
4109 cprintf("%d You don't have permission to author messages as '%s'.\n",
4110 ERROR + HIGHER_ACCESS_REQUIRED,
4117 if (IsEmptyStr(newuseremail)) {
4118 newuseremail_ok = 1;
4121 if (!IsEmptyStr(newuseremail)) {
4122 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4123 newuseremail_ok = 1;
4125 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4126 j = num_tokens(CC->cs_inet_other_emails, '|');
4127 for (i=0; i<j; ++i) {
4128 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4129 if (!strcasecmp(newuseremail, buf)) {
4130 newuseremail_ok = 1;
4136 if (!newuseremail_ok) {
4137 cprintf("%d You don't have permission to author messages as '%s'.\n",
4138 ERROR + HIGHER_ACCESS_REQUIRED,
4144 CC->cs_flags |= CS_POSTING;
4146 /* In mailbox rooms we have to behave a little differently --
4147 * make sure the user has specified at least one recipient. Then
4148 * validate the recipient(s). We do this for the Mail> room, as
4149 * well as any room which has the "Mailbox" view set - unless it
4150 * is the DRAFTS room which does not require recipients
4153 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4154 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4155 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4156 if (CC->user.axlevel < AxProbU) {
4157 strcpy(recp, "sysop");
4162 valid_to = validate_recipients(recp, NULL, 0);
4163 if (valid_to->num_error > 0) {
4164 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4165 free_recipients(valid_to);
4169 valid_cc = validate_recipients(cc, NULL, 0);
4170 if (valid_cc->num_error > 0) {
4171 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4172 free_recipients(valid_to);
4173 free_recipients(valid_cc);
4177 valid_bcc = validate_recipients(bcc, NULL, 0);
4178 if (valid_bcc->num_error > 0) {
4179 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4180 free_recipients(valid_to);
4181 free_recipients(valid_cc);
4182 free_recipients(valid_bcc);
4186 /* Recipient required, but none were specified */
4187 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4188 free_recipients(valid_to);
4189 free_recipients(valid_cc);
4190 free_recipients(valid_bcc);
4191 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4195 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4196 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4197 cprintf("%d You do not have permission "
4198 "to send Internet mail.\n",
4199 ERROR + HIGHER_ACCESS_REQUIRED);
4200 free_recipients(valid_to);
4201 free_recipients(valid_cc);
4202 free_recipients(valid_bcc);
4207 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)
4208 && (CC->user.axlevel < AxNetU) ) {
4209 cprintf("%d Higher access required for network mail.\n",
4210 ERROR + HIGHER_ACCESS_REQUIRED);
4211 free_recipients(valid_to);
4212 free_recipients(valid_cc);
4213 free_recipients(valid_bcc);
4217 if ((RESTRICT_INTERNET == 1)
4218 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4219 && ((CC->user.flags & US_INTERNET) == 0)
4220 && (!CC->internal_pgm)) {
4221 cprintf("%d You don't have access to Internet mail.\n",
4222 ERROR + HIGHER_ACCESS_REQUIRED);
4223 free_recipients(valid_to);
4224 free_recipients(valid_cc);
4225 free_recipients(valid_bcc);
4231 /* Is this a room which has anonymous-only or anonymous-option? */
4232 anonymous = MES_NORMAL;
4233 if (CC->room.QRflags & QR_ANONONLY) {
4234 anonymous = MES_ANONONLY;
4236 if (CC->room.QRflags & QR_ANONOPT) {
4237 if (anon_flag == 1) { /* only if the user requested it */
4238 anonymous = MES_ANONOPT;
4242 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4246 /* Recommend to the client that the use of a message subject is
4247 * strongly recommended in this room, if either the SUBJECTREQ flag
4248 * is set, or if there is one or more Internet email recipients.
4250 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4251 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4252 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4253 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4255 /* If we're only checking the validity of the request, return
4256 * success without creating the message.
4259 cprintf("%d %s|%d\n", CIT_OK,
4260 ((valid_to != NULL) ? valid_to->display_recp : ""),
4262 free_recipients(valid_to);
4263 free_recipients(valid_cc);
4264 free_recipients(valid_bcc);
4268 /* We don't need these anymore because we'll do it differently below */
4269 free_recipients(valid_to);
4270 free_recipients(valid_cc);
4271 free_recipients(valid_bcc);
4273 /* Read in the message from the client. */
4275 cprintf("%d send message\n", START_CHAT_MODE);
4277 cprintf("%d send message\n", SEND_LISTING);
4280 msg = CtdlMakeMessage(&CC->user, recp, cc,
4281 CC->room.QRname, anonymous, format_type,
4282 newusername, newuseremail, subject,
4283 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4286 /* Put together one big recipients struct containing to/cc/bcc all in
4287 * one. This is for the envelope.
4289 char *all_recps = malloc(SIZ * 3);
4290 strcpy(all_recps, recp);
4291 if (!IsEmptyStr(cc)) {
4292 if (!IsEmptyStr(all_recps)) {
4293 strcat(all_recps, ",");
4295 strcat(all_recps, cc);
4297 if (!IsEmptyStr(bcc)) {
4298 if (!IsEmptyStr(all_recps)) {
4299 strcat(all_recps, ",");
4301 strcat(all_recps, bcc);
4303 if (!IsEmptyStr(all_recps)) {
4304 valid = validate_recipients(all_recps, NULL, 0);
4312 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4315 cprintf("%ld\n", msgnum);
4317 cprintf("Message accepted.\n");
4320 cprintf("Internal error.\n");
4322 if (msg->cm_fields['E'] != NULL) {
4323 cprintf("%s\n", msg->cm_fields['E']);
4330 CtdlFreeMessage(msg);
4332 if (valid != NULL) {
4333 free_recipients(valid);
4341 * API function to delete messages which match a set of criteria
4342 * (returns the actual number of messages deleted)
4344 int CtdlDeleteMessages(char *room_name, /* which room */
4345 long *dmsgnums, /* array of msg numbers to be deleted */
4346 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4347 char *content_type /* or "" for any. regular expressions expected. */
4350 struct ctdlroom qrbuf;
4351 struct cdbdata *cdbfr;
4352 long *msglist = NULL;
4353 long *dellist = NULL;
4356 int num_deleted = 0;
4358 struct MetaData smi;
4361 int need_to_free_re = 0;
4363 if (content_type) if (!IsEmptyStr(content_type)) {
4364 regcomp(&re, content_type, 0);
4365 need_to_free_re = 1;
4367 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4368 room_name, num_dmsgnums, content_type);
4370 /* get room record, obtaining a lock... */
4371 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4372 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4374 if (need_to_free_re) regfree(&re);
4375 return (0); /* room not found */
4377 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4379 if (cdbfr != NULL) {
4380 dellist = malloc(cdbfr->len);
4381 msglist = (long *) cdbfr->ptr;
4382 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4383 num_msgs = cdbfr->len / sizeof(long);
4387 for (i = 0; i < num_msgs; ++i) {
4390 /* Set/clear a bit for each criterion */
4392 /* 0 messages in the list or a null list means that we are
4393 * interested in deleting any messages which meet the other criteria.
4395 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4396 delete_this |= 0x01;
4399 for (j=0; j<num_dmsgnums; ++j) {
4400 if (msglist[i] == dmsgnums[j]) {
4401 delete_this |= 0x01;
4406 if (IsEmptyStr(content_type)) {
4407 delete_this |= 0x02;
4409 GetMetaData(&smi, msglist[i]);
4410 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4411 delete_this |= 0x02;
4415 /* Delete message only if all bits are set */
4416 if (delete_this == 0x03) {
4417 dellist[num_deleted++] = msglist[i];
4422 num_msgs = sort_msglist(msglist, num_msgs);
4423 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4424 msglist, (int)(num_msgs * sizeof(long)));
4427 qrbuf.QRhighest = msglist[num_msgs - 1];
4429 qrbuf.QRhighest = 0;
4431 CtdlPutRoomLock(&qrbuf);
4433 /* Go through the messages we pulled out of the index, and decrement
4434 * their reference counts by 1. If this is the only room the message
4435 * was in, the reference count will reach zero and the message will
4436 * automatically be deleted from the database. We do this in a
4437 * separate pass because there might be plug-in hooks getting called,
4438 * and we don't want that happening during an S_ROOMS critical
4441 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4442 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4443 AdjRefCount(dellist[i], -1);
4446 /* Now free the memory we used, and go away. */
4447 if (msglist != NULL) free(msglist);
4448 if (dellist != NULL) free(dellist);
4449 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4450 if (need_to_free_re) regfree(&re);
4451 return (num_deleted);
4457 * Check whether the current user has permission to delete messages from
4458 * the current room (returns 1 for yes, 0 for no)
4460 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4462 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4463 if (ra & UA_DELETEALLOWED) return(1);
4471 * Delete message from current room
4473 void cmd_dele(char *args)
4482 extract_token(msgset, args, 0, '|', sizeof msgset);
4483 num_msgs = num_tokens(msgset, ',');
4485 cprintf("%d Nothing to do.\n", CIT_OK);
4489 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4490 cprintf("%d Higher access required.\n",
4491 ERROR + HIGHER_ACCESS_REQUIRED);
4496 * Build our message set to be moved/copied
4498 msgs = malloc(num_msgs * sizeof(long));
4499 for (i=0; i<num_msgs; ++i) {
4500 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4501 msgs[i] = atol(msgtok);
4504 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4508 cprintf("%d %d message%s deleted.\n", CIT_OK,
4509 num_deleted, ((num_deleted != 1) ? "s" : ""));
4511 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4519 * move or copy a message to another room
4521 void cmd_move(char *args)
4528 char targ[ROOMNAMELEN];
4529 struct ctdlroom qtemp;
4536 extract_token(msgset, args, 0, '|', sizeof msgset);
4537 num_msgs = num_tokens(msgset, ',');
4539 cprintf("%d Nothing to do.\n", CIT_OK);
4543 extract_token(targ, args, 1, '|', sizeof targ);
4544 convert_room_name_macros(targ, sizeof targ);
4545 targ[ROOMNAMELEN - 1] = 0;
4546 is_copy = extract_int(args, 2);
4548 if (CtdlGetRoom(&qtemp, targ) != 0) {
4549 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4553 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4554 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4558 CtdlGetUser(&CC->user, CC->curr_user);
4559 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4561 /* Check for permission to perform this operation.
4562 * Remember: "CC->room" is source, "qtemp" is target.
4566 /* Aides can move/copy */
4567 if (CC->user.axlevel >= AxAideU) permit = 1;
4569 /* Room aides can move/copy */
4570 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4572 /* Permit move/copy from personal rooms */
4573 if ((CC->room.QRflags & QR_MAILBOX)
4574 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4576 /* Permit only copy from public to personal room */
4578 && (!(CC->room.QRflags & QR_MAILBOX))
4579 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4581 /* Permit message removal from collaborative delete rooms */
4582 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4584 /* Users allowed to post into the target room may move into it too. */
4585 if ((CC->room.QRflags & QR_MAILBOX) &&
4586 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4588 /* User must have access to target room */
4589 if (!(ra & UA_KNOWN)) permit = 0;
4592 cprintf("%d Higher access required.\n",
4593 ERROR + HIGHER_ACCESS_REQUIRED);
4598 * Build our message set to be moved/copied
4600 msgs = malloc(num_msgs * sizeof(long));
4601 for (i=0; i<num_msgs; ++i) {
4602 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4603 msgs[i] = atol(msgtok);
4609 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4611 cprintf("%d Cannot store message(s) in %s: error %d\n",
4617 /* Now delete the message from the source room,
4618 * if this is a 'move' rather than a 'copy' operation.
4621 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4625 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4631 * GetMetaData() - Get the supplementary record for a message
4633 void GetMetaData(struct MetaData *smibuf, long msgnum)
4636 struct cdbdata *cdbsmi;
4639 memset(smibuf, 0, sizeof(struct MetaData));
4640 smibuf->meta_msgnum = msgnum;
4641 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4643 /* Use the negative of the message number for its supp record index */
4644 TheIndex = (0L - msgnum);
4646 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4647 if (cdbsmi == NULL) {
4648 return; /* record not found; go with defaults */
4650 memcpy(smibuf, cdbsmi->ptr,
4651 ((cdbsmi->len > sizeof(struct MetaData)) ?
4652 sizeof(struct MetaData) : cdbsmi->len));
4659 * PutMetaData() - (re)write supplementary record for a message
4661 void PutMetaData(struct MetaData *smibuf)
4665 /* Use the negative of the message number for the metadata db index */
4666 TheIndex = (0L - smibuf->meta_msgnum);
4668 cdb_store(CDB_MSGMAIN,
4669 &TheIndex, (int)sizeof(long),
4670 smibuf, (int)sizeof(struct MetaData));
4675 * AdjRefCount - submit an adjustment to the reference count for a message.
4676 * (These are just queued -- we actually process them later.)
4678 void AdjRefCount(long msgnum, int incr)
4680 struct arcq new_arcq;
4683 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4687 begin_critical_section(S_SUPPMSGMAIN);
4688 if (arcfp == NULL) {
4689 arcfp = fopen(file_arcq, "ab+");
4691 end_critical_section(S_SUPPMSGMAIN);
4693 /* msgnum < 0 means that we're trying to close the file */
4695 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4696 begin_critical_section(S_SUPPMSGMAIN);
4697 if (arcfp != NULL) {
4701 end_critical_section(S_SUPPMSGMAIN);
4706 * If we can't open the queue, perform the operation synchronously.
4708 if (arcfp == NULL) {
4709 TDAP_AdjRefCount(msgnum, incr);
4713 new_arcq.arcq_msgnum = msgnum;
4714 new_arcq.arcq_delta = incr;
4715 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4723 * TDAP_ProcessAdjRefCountQueue()
4725 * Process the queue of message count adjustments that was created by calls
4726 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4727 * for each one. This should be an "off hours" operation.
4729 int TDAP_ProcessAdjRefCountQueue(void)
4731 char file_arcq_temp[PATH_MAX];
4734 struct arcq arcq_rec;
4735 int num_records_processed = 0;
4737 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4739 begin_critical_section(S_SUPPMSGMAIN);
4740 if (arcfp != NULL) {
4745 r = link(file_arcq, file_arcq_temp);
4747 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4748 end_critical_section(S_SUPPMSGMAIN);
4749 return(num_records_processed);
4753 end_critical_section(S_SUPPMSGMAIN);
4755 fp = fopen(file_arcq_temp, "rb");
4757 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4758 return(num_records_processed);
4761 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4762 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4763 ++num_records_processed;
4767 r = unlink(file_arcq_temp);
4769 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4772 return(num_records_processed);
4778 * TDAP_AdjRefCount - adjust the reference count for a message.
4779 * This one does it "for real" because it's called by
4780 * the autopurger function that processes the queue
4781 * created by AdjRefCount(). If a message's reference
4782 * count becomes zero, we also delete the message from
4783 * disk and de-index it.
4785 void TDAP_AdjRefCount(long msgnum, int incr)
4788 struct MetaData smi;
4791 /* This is a *tight* critical section; please keep it that way, as
4792 * it may get called while nested in other critical sections.
4793 * Complicating this any further will surely cause deadlock!
4795 begin_critical_section(S_SUPPMSGMAIN);
4796 GetMetaData(&smi, msgnum);
4797 smi.meta_refcount += incr;
4799 end_critical_section(S_SUPPMSGMAIN);
4800 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4801 msgnum, incr, smi.meta_refcount
4804 /* If the reference count is now zero, delete the message
4805 * (and its supplementary record as well).
4807 if (smi.meta_refcount == 0) {
4808 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4810 /* Call delete hooks with NULL room to show it has gone altogether */
4811 PerformDeleteHooks(NULL, msgnum);
4813 /* Remove from message base */
4815 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4816 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4818 /* Remove metadata record */
4819 delnum = (0L - msgnum);
4820 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4826 * Write a generic object to this room
4828 * Note: this could be much more efficient. Right now we use two temporary
4829 * files, and still pull the message into memory as with all others.
4831 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4832 char *content_type, /* MIME type of this object */
4833 char *raw_message, /* Data to be written */
4834 off_t raw_length, /* Size of raw_message */
4835 struct ctdluser *is_mailbox, /* Mailbox room? */
4836 int is_binary, /* Is encoding necessary? */
4837 int is_unique, /* Del others of this type? */
4838 unsigned int flags /* Internal save flags */
4842 struct ctdlroom qrbuf;
4843 char roomname[ROOMNAMELEN];
4844 struct CtdlMessage *msg;
4845 char *encoded_message = NULL;
4847 if (is_mailbox != NULL) {
4848 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4851 safestrncpy(roomname, req_room, sizeof(roomname));
4854 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4857 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4860 encoded_message = malloc((size_t)(raw_length + 4096));
4863 sprintf(encoded_message, "Content-type: %s\n", content_type);
4866 sprintf(&encoded_message[strlen(encoded_message)],
4867 "Content-transfer-encoding: base64\n\n"
4871 sprintf(&encoded_message[strlen(encoded_message)],
4872 "Content-transfer-encoding: 7bit\n\n"
4878 &encoded_message[strlen(encoded_message)],
4886 &encoded_message[strlen(encoded_message)],
4892 syslog(LOG_DEBUG, "Allocating\n");
4893 msg = malloc(sizeof(struct CtdlMessage));
4894 memset(msg, 0, sizeof(struct CtdlMessage));
4895 msg->cm_magic = CTDLMESSAGE_MAGIC;
4896 msg->cm_anon_type = MES_NORMAL;
4897 msg->cm_format_type = 4;
4898 msg->cm_fields['A'] = strdup(CC->user.fullname);
4899 msg->cm_fields['O'] = strdup(req_room);
4900 msg->cm_fields['N'] = strdup(config.c_nodename);
4901 msg->cm_fields['H'] = strdup(config.c_humannode);
4902 msg->cm_flags = flags;
4904 msg->cm_fields['M'] = encoded_message;
4906 /* Create the requested room if we have to. */
4907 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4908 CtdlCreateRoom(roomname,
4909 ( (is_mailbox != NULL) ? 5 : 3 ),
4910 "", 0, 1, 0, VIEW_BBS);
4912 /* If the caller specified this object as unique, delete all
4913 * other objects of this type that are currently in the room.
4916 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
4917 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4920 /* Now write the data */
4921 CtdlSubmitMsg(msg, NULL, roomname, 0);
4922 CtdlFreeMessage(msg);
4930 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4931 config_msgnum = msgnum;
4935 char *CtdlGetSysConfig(char *sysconfname) {
4936 char hold_rm[ROOMNAMELEN];
4939 struct CtdlMessage *msg;
4942 strcpy(hold_rm, CC->room.QRname);
4943 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4944 CtdlGetRoom(&CC->room, hold_rm);
4949 /* We want the last (and probably only) config in this room */
4950 begin_critical_section(S_CONFIG);
4951 config_msgnum = (-1L);
4952 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4953 CtdlGetSysConfigBackend, NULL);
4954 msgnum = config_msgnum;
4955 end_critical_section(S_CONFIG);
4961 msg = CtdlFetchMessage(msgnum, 1);
4963 conf = strdup(msg->cm_fields['M']);
4964 CtdlFreeMessage(msg);
4971 CtdlGetRoom(&CC->room, hold_rm);
4973 if (conf != NULL) do {
4974 extract_token(buf, conf, 0, '\n', sizeof buf);
4975 strcpy(conf, &conf[strlen(buf)+1]);
4976 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4982 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4983 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4988 * Determine whether a given Internet address belongs to the current user
4990 int CtdlIsMe(char *addr, int addr_buf_len)
4992 struct recptypes *recp;
4995 recp = validate_recipients(addr, NULL, 0);
4996 if (recp == NULL) return(0);
4998 if (recp->num_local == 0) {
4999 free_recipients(recp);
5003 for (i=0; i<recp->num_local; ++i) {
5004 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5005 if (!strcasecmp(addr, CC->user.fullname)) {
5006 free_recipients(recp);
5011 free_recipients(recp);
5017 * Citadel protocol command to do the same
5019 void cmd_isme(char *argbuf) {
5022 if (CtdlAccessCheck(ac_logged_in)) return;
5023 extract_token(addr, argbuf, 0, '|', sizeof addr);
5025 if (CtdlIsMe(addr, sizeof addr)) {
5026 cprintf("%d %s\n", CIT_OK, addr);
5029 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5035 /*****************************************************************************/
5036 /* MODULE INITIALIZATION STUFF */
5037 /*****************************************************************************/
5039 CTDL_MODULE_INIT(msgbase)
5042 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5043 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5044 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5045 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5046 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5047 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5048 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5049 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5050 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5051 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5052 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5053 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5056 /* return our Subversion id for the Log */