2 * Implements the message store.
4 * Copyright (c) 1987-2010 by the citadel.org team
6 * This program is free 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 msglist = (long *) cdbfr->ptr;
638 num_msgs = cdbfr->len / sizeof(long);
640 if (need_to_free_re) regfree(&re);
641 return 0; /* No messages at all? No further action. */
646 * Now begin the traversal.
648 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
650 /* If the caller is looking for a specific MIME type, filter
651 * out all messages which are not of the type requested.
653 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
655 /* This call to GetMetaData() sits inside this loop
656 * so that we only do the extra database read per msg
657 * if we need to. Doing the extra read all the time
658 * really kills the server. If we ever need to use
659 * metadata for another search criterion, we need to
660 * move the read somewhere else -- but still be smart
661 * enough to only do the read if the caller has
662 * specified something that will need it.
664 GetMetaData(&smi, msglist[a]);
666 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
667 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
673 num_msgs = sort_msglist(msglist, num_msgs);
675 /* If a template was supplied, filter out the messages which
676 * don't match. (This could induce some delays!)
679 if (compare != NULL) {
680 for (a = 0; a < num_msgs; ++a) {
681 msg = CtdlFetchMessage(msglist[a], 1);
683 if (CtdlMsgCmp(msg, compare)) {
686 CtdlFreeMessage(msg);
692 /* If a search string was specified, get a message list from
693 * the full text index and remove messages which aren't on both
697 * Since the lists are sorted and strictly ascending, and the
698 * output list is guaranteed to be shorter than or equal to the
699 * input list, we overwrite the bottom of the input list. This
700 * eliminates the need to memmove big chunks of the list over and
703 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
705 /* Call search module via hook mechanism.
706 * NULL means use any search function available.
707 * otherwise replace with a char * to name of search routine
709 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
711 if (num_search_msgs > 0) {
715 orig_num_msgs = num_msgs;
717 for (i=0; i<orig_num_msgs; ++i) {
718 for (j=0; j<num_search_msgs; ++j) {
719 if (msglist[i] == search_msgs[j]) {
720 msglist[num_msgs++] = msglist[i];
726 num_msgs = 0; /* No messages qualify */
728 if (search_msgs != NULL) free(search_msgs);
730 /* Now that we've purged messages which don't contain the search
731 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
738 * Now iterate through the message list, according to the
739 * criteria supplied by the caller.
742 for (a = 0; a < num_msgs; ++a) {
743 thismsg = msglist[a];
744 if (mode == MSGS_ALL) {
748 is_seen = is_msg_in_sequence_set(
749 vbuf.v_seen, thismsg);
750 if (is_seen) lastold = thismsg;
756 || ((mode == MSGS_OLD) && (is_seen))
757 || ((mode == MSGS_NEW) && (!is_seen))
758 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
759 || ((mode == MSGS_FIRST) && (a < ref))
760 || ((mode == MSGS_GT) && (thismsg > ref))
761 || ((mode == MSGS_LT) && (thismsg < ref))
762 || ((mode == MSGS_EQ) && (thismsg == ref))
765 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
767 CallBack(lastold, userdata);
771 if (CallBack) CallBack(thismsg, userdata);
775 cdb_free(cdbfr); /* Clean up */
776 if (need_to_free_re) regfree(&re);
777 return num_processed;
783 * cmd_msgs() - get list of message #'s in this room
784 * implements the MSGS server command using CtdlForEachMessage()
786 void cmd_msgs(char *cmdbuf)
795 int with_template = 0;
796 struct CtdlMessage *template = NULL;
797 char search_string[1024];
798 ForEachMsgCallback CallBack;
800 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
802 extract_token(which, cmdbuf, 0, '|', sizeof which);
803 cm_ref = extract_int(cmdbuf, 1);
804 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
805 with_template = extract_int(cmdbuf, 2);
806 switch (extract_int(cmdbuf, 3))
810 CallBack = simple_listing;
813 CallBack = headers_listing;
816 CallBack = headers_euid;
821 if (!strncasecmp(which, "OLD", 3))
823 else if (!strncasecmp(which, "NEW", 3))
825 else if (!strncasecmp(which, "FIRST", 5))
827 else if (!strncasecmp(which, "LAST", 4))
829 else if (!strncasecmp(which, "GT", 2))
831 else if (!strncasecmp(which, "LT", 2))
833 else if (!strncasecmp(which, "SEARCH", 6))
838 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
839 cprintf("%d Full text index is not enabled on this server.\n",
840 ERROR + CMD_NOT_SUPPORTED);
846 cprintf("%d Send template then receive message list\n",
848 template = (struct CtdlMessage *)
849 malloc(sizeof(struct CtdlMessage));
850 memset(template, 0, sizeof(struct CtdlMessage));
851 template->cm_magic = CTDLMESSAGE_MAGIC;
852 template->cm_anon_type = MES_NORMAL;
854 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
855 extract_token(tfield, buf, 0, '|', sizeof tfield);
856 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
857 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
858 if (!strcasecmp(tfield, msgkeys[i])) {
859 template->cm_fields[i] =
867 cprintf("%d \n", LISTING_FOLLOWS);
870 CtdlForEachMessage(mode,
871 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
872 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
877 if (template != NULL) CtdlFreeMessage(template);
885 * help_subst() - support routine for help file viewer
887 void help_subst(char *strbuf, char *source, char *dest)
892 while (p = pattern2(strbuf, source), (p >= 0)) {
893 strcpy(workbuf, &strbuf[p + strlen(source)]);
894 strcpy(&strbuf[p], dest);
895 strcat(strbuf, workbuf);
900 void do_help_subst(char *buffer)
904 help_subst(buffer, "^nodename", config.c_nodename);
905 help_subst(buffer, "^humannode", config.c_humannode);
906 help_subst(buffer, "^fqdn", config.c_fqdn);
907 help_subst(buffer, "^username", CC->user.fullname);
908 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
909 help_subst(buffer, "^usernum", buf2);
910 help_subst(buffer, "^sysadm", config.c_sysadm);
911 help_subst(buffer, "^variantname", CITADEL);
912 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
913 help_subst(buffer, "^maxsessions", buf2);
914 help_subst(buffer, "^bbsdir", ctdl_message_dir);
920 * memfmout() - Citadel text formatter and paginator.
921 * Although the original purpose of this routine was to format
922 * text to the reader's screen width, all we're really using it
923 * for here is to format text out to 80 columns before sending it
924 * to the client. The client software may reformat it again.
927 char *mptr, /* where are we going to get our text from? */
928 const char *nl /* string to terminate lines with */
931 unsigned char ch = 0;
938 while (ch=*(mptr++), ch != 0) {
941 client_write(outbuf, len);
943 client_write(nl, nllen);
946 else if (ch == '\r') {
947 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
949 else if (isspace(ch)) {
950 if (column > 72) { /* Beyond 72 columns, break on the next space */
951 client_write(outbuf, len);
953 client_write(nl, nllen);
964 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
965 client_write(outbuf, len);
967 client_write(nl, nllen);
973 client_write(outbuf, len);
975 client_write(nl, nllen);
983 * Callback function for mime parser that simply lists the part
985 void list_this_part(char *name, char *filename, char *partnum, char *disp,
986 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
987 char *cbid, void *cbuserdata)
991 ma = (struct ma_info *)cbuserdata;
992 if (ma->is_ma == 0) {
993 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1006 * Callback function for multipart prefix
1008 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1009 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1010 char *cbid, void *cbuserdata)
1014 ma = (struct ma_info *)cbuserdata;
1015 if (!strcasecmp(cbtype, "multipart/alternative")) {
1019 if (ma->is_ma == 0) {
1020 cprintf("pref=%s|%s\n", partnum, cbtype);
1025 * Callback function for multipart sufffix
1027 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1028 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1029 char *cbid, void *cbuserdata)
1033 ma = (struct ma_info *)cbuserdata;
1034 if (ma->is_ma == 0) {
1035 cprintf("suff=%s|%s\n", partnum, cbtype);
1037 if (!strcasecmp(cbtype, "multipart/alternative")) {
1044 * Callback function for mime parser that opens a section for downloading
1046 void mime_download(char *name, char *filename, char *partnum, char *disp,
1047 void *content, char *cbtype, char *cbcharset, size_t length,
1048 char *encoding, char *cbid, void *cbuserdata)
1052 /* Silently go away if there's already a download open. */
1053 if (CC->download_fp != NULL)
1057 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1058 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1060 CC->download_fp = tmpfile();
1061 if (CC->download_fp == NULL)
1064 rv = fwrite(content, length, 1, CC->download_fp);
1065 fflush(CC->download_fp);
1066 rewind(CC->download_fp);
1068 OpenCmdResult(filename, cbtype);
1075 * Callback function for mime parser that outputs a section all at once.
1076 * We can specify the desired section by part number *or* content-id.
1078 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1079 void *content, char *cbtype, char *cbcharset, size_t length,
1080 char *encoding, char *cbid, void *cbuserdata)
1082 int *found_it = (int *)cbuserdata;
1085 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1086 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1089 cprintf("%d %d|-1|%s|%s|%s\n",
1096 client_write(content, length);
1100 #ifdef MESSAGE_IN_ROOM
1102 * Check if a message is in the current room.
1103 * This is used by CtdlFetchMessage to prevent random picking
1104 * of messages from users private rooms
1106 * The message list should probably be cached against the CC->room
1108 int CtdlMessageInRoom(long msgnum)
1111 struct cdbdata *cdbfr;
1113 /* Learn about the user and room in question */
1114 CtdlGetUser(&CC->user, CC->curr_user);
1115 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1117 /* Load the message list */
1118 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
1119 if (cdbfr != NULL) {
1120 long *msglist = NULL;
1125 msglist = (long *) cdbfr->ptr;
1126 num_msgs = cdbfr->len / sizeof(long);
1128 /* search for message msgnum */
1129 for (i=0; i<num_msgs; i++) {
1130 if (msglist[i] == msgnum) {
1145 * Load a message from disk into memory.
1146 * This is used by CtdlOutputMsg() and other fetch functions.
1148 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1149 * using the CtdlMessageFree() function.
1151 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1153 struct cdbdata *dmsgtext;
1154 struct CtdlMessage *ret = NULL;
1158 cit_uint8_t field_header;
1160 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1162 #ifdef MESSAGE_IN_ROOM
1163 if (!CtdlMessageInRoom(msgnum)) {
1164 syslog(LOG_DEBUG, "Message %ld not in current room\n", msgnum);
1169 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1170 if (dmsgtext == NULL) {
1173 mptr = dmsgtext->ptr;
1174 upper_bound = mptr + dmsgtext->len;
1176 /* Parse the three bytes that begin EVERY message on disk.
1177 * The first is always 0xFF, the on-disk magic number.
1178 * The second is the anonymous/public type byte.
1179 * The third is the format type byte (vari, fixed, or MIME).
1183 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1187 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1188 memset(ret, 0, sizeof(struct CtdlMessage));
1190 ret->cm_magic = CTDLMESSAGE_MAGIC;
1191 ret->cm_anon_type = *mptr++; /* Anon type byte */
1192 ret->cm_format_type = *mptr++; /* Format type byte */
1195 * The rest is zero or more arbitrary fields. Load them in.
1196 * We're done when we encounter either a zero-length field or
1197 * have just processed the 'M' (message text) field.
1200 if (mptr >= upper_bound) {
1203 field_header = *mptr++;
1204 ret->cm_fields[field_header] = strdup(mptr);
1206 while (*mptr++ != 0); /* advance to next field */
1208 } while ((mptr < upper_bound) && (field_header != 'M'));
1212 /* Always make sure there's something in the msg text field. If
1213 * it's NULL, the message text is most likely stored separately,
1214 * so go ahead and fetch that. Failing that, just set a dummy
1215 * body so other code doesn't barf.
1217 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1218 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1219 if (dmsgtext != NULL) {
1220 ret->cm_fields['M'] = dmsgtext->ptr;
1221 dmsgtext->ptr = NULL;
1225 if (ret->cm_fields['M'] == NULL) {
1226 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1229 /* Perform "before read" hooks (aborting if any return nonzero) */
1230 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1231 CtdlFreeMessage(ret);
1240 * Returns 1 if the supplied pointer points to a valid Citadel message.
1241 * If the pointer is NULL or the magic number check fails, returns 0.
1243 int is_valid_message(struct CtdlMessage *msg) {
1246 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1247 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1255 * 'Destructor' for struct CtdlMessage
1257 void CtdlFreeMessage(struct CtdlMessage *msg)
1261 if (is_valid_message(msg) == 0)
1263 if (msg != NULL) free (msg);
1267 for (i = 0; i < 256; ++i)
1268 if (msg->cm_fields[i] != NULL) {
1269 free(msg->cm_fields[i]);
1272 msg->cm_magic = 0; /* just in case */
1278 * Pre callback function for multipart/alternative
1280 * NOTE: this differs from the standard behavior for a reason. Normally when
1281 * displaying multipart/alternative you want to show the _last_ usable
1282 * format in the message. Here we show the _first_ one, because it's
1283 * usually text/plain. Since this set of functions is designed for text
1284 * output to non-MIME-aware clients, this is the desired behavior.
1287 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1288 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1289 char *cbid, void *cbuserdata)
1293 ma = (struct ma_info *)cbuserdata;
1294 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1295 if (!strcasecmp(cbtype, "multipart/alternative")) {
1299 if (!strcasecmp(cbtype, "message/rfc822")) {
1305 * Post callback function for multipart/alternative
1307 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1308 void *content, char *cbtype, char *cbcharset, size_t length,
1309 char *encoding, char *cbid, void *cbuserdata)
1313 ma = (struct ma_info *)cbuserdata;
1314 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1315 if (!strcasecmp(cbtype, "multipart/alternative")) {
1319 if (!strcasecmp(cbtype, "message/rfc822")) {
1325 * Inline callback function for mime parser that wants to display text
1327 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1328 void *content, char *cbtype, char *cbcharset, size_t length,
1329 char *encoding, char *cbid, void *cbuserdata)
1336 ma = (struct ma_info *)cbuserdata;
1339 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1340 partnum, filename, cbtype, (long)length);
1343 * If we're in the middle of a multipart/alternative scope and
1344 * we've already printed another section, skip this one.
1346 if ( (ma->is_ma) && (ma->did_print) ) {
1347 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1352 if ( (!strcasecmp(cbtype, "text/plain"))
1353 || (IsEmptyStr(cbtype)) ) {
1356 client_write(wptr, length);
1357 if (wptr[length-1] != '\n') {
1364 if (!strcasecmp(cbtype, "text/html")) {
1365 ptr = html_to_ascii(content, length, 80, 0);
1367 client_write(ptr, wlen);
1368 if (ptr[wlen-1] != '\n') {
1375 if (ma->use_fo_hooks) {
1376 if (PerformFixedOutputHooks(cbtype, content, length)) {
1377 /* above function returns nonzero if it handled the part */
1382 if (strncasecmp(cbtype, "multipart/", 10)) {
1383 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1384 partnum, filename, cbtype, (long)length);
1390 * The client is elegant and sophisticated and wants to be choosy about
1391 * MIME content types, so figure out which multipart/alternative part
1392 * we're going to send.
1394 * We use a system of weights. When we find a part that matches one of the
1395 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1396 * and then set ma->chosen_pref to that MIME type's position in our preference
1397 * list. If we then hit another match, we only replace the first match if
1398 * the preference value is lower.
1400 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1401 void *content, char *cbtype, char *cbcharset, size_t length,
1402 char *encoding, char *cbid, void *cbuserdata)
1408 ma = (struct ma_info *)cbuserdata;
1410 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1411 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1412 // I don't know if there are any side effects! Please TEST TEST TEST
1413 //if (ma->is_ma > 0) {
1415 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1416 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1417 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1418 if (i < ma->chosen_pref) {
1419 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1420 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1421 ma->chosen_pref = i;
1428 * Now that we've chosen our preferred part, output it.
1430 void output_preferred(char *name,
1444 int add_newline = 0;
1447 char *decoded = NULL;
1448 size_t bytes_decoded;
1451 ma = (struct ma_info *)cbuserdata;
1453 /* This is not the MIME part you're looking for... */
1454 if (strcasecmp(partnum, ma->chosen_part)) return;
1456 /* If the content-type of this part is in our preferred formats
1457 * list, we can simply output it verbatim.
1459 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1460 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1461 if (!strcasecmp(buf, cbtype)) {
1462 /* Yeah! Go! W00t!! */
1463 if (ma->dont_decode == 0)
1464 rc = mime_decode_now (content,
1470 break; /* Give us the chance, maybe theres another one. */
1472 if (rc == 0) text_content = (char *)content;
1474 text_content = decoded;
1475 length = bytes_decoded;
1478 if (text_content[length-1] != '\n') {
1481 cprintf("Content-type: %s", cbtype);
1482 if (!IsEmptyStr(cbcharset)) {
1483 cprintf("; charset=%s", cbcharset);
1485 cprintf("\nContent-length: %d\n",
1486 (int)(length + add_newline) );
1487 if (!IsEmptyStr(encoding)) {
1488 cprintf("Content-transfer-encoding: %s\n", encoding);
1491 cprintf("Content-transfer-encoding: 7bit\n");
1493 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1495 client_write(text_content, length);
1496 if (add_newline) cprintf("\n");
1497 if (decoded != NULL) free(decoded);
1502 /* No translations required or possible: output as text/plain */
1503 cprintf("Content-type: text/plain\n\n");
1505 if (ma->dont_decode == 0)
1506 rc = mime_decode_now (content,
1512 return; /* Give us the chance, maybe theres another one. */
1514 if (rc == 0) text_content = (char *)content;
1516 text_content = decoded;
1517 length = bytes_decoded;
1520 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1521 length, encoding, cbid, cbuserdata);
1522 if (decoded != NULL) free(decoded);
1527 char desired_section[64];
1534 * Callback function for
1536 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1537 void *content, char *cbtype, char *cbcharset, size_t length,
1538 char *encoding, char *cbid, void *cbuserdata)
1540 struct encapmsg *encap;
1542 encap = (struct encapmsg *)cbuserdata;
1544 /* Only proceed if this is the desired section... */
1545 if (!strcasecmp(encap->desired_section, partnum)) {
1546 encap->msglen = length;
1547 encap->msg = malloc(length + 2);
1548 memcpy(encap->msg, content, length);
1555 * Determine whether the currently logged in session has permission to read
1556 * messages in the current room.
1558 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1559 if ( (!(CC->logged_in))
1560 && (!(CC->internal_pgm))
1561 && (!config.c_guest_logins)
1563 return(om_not_logged_in);
1570 * Get a message off disk. (returns om_* values found in msgbase.h)
1573 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1574 int mode, /* how would you like that message? */
1575 int headers_only, /* eschew the message body? */
1576 int do_proto, /* do Citadel protocol responses? */
1577 int crlf, /* Use CRLF newlines instead of LF? */
1578 char *section, /* NULL or a message/rfc822 section */
1579 int flags /* various flags; see msgbase.h */
1581 struct CtdlMessage *TheMessage = NULL;
1582 int retcode = om_no_such_msg;
1583 struct encapmsg encap;
1586 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1588 (section ? section : "<>")
1591 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1594 if (r == om_not_logged_in) {
1595 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1598 cprintf("%d An unknown error has occurred.\n", ERROR);
1604 #ifdef MESSAGE_IN_ROOM
1605 if (!CtdlMessageInRoom(msg_num)) {
1606 syslog(LOG_DEBUG, "Message %ld not in current room\n", msg_num);
1607 if (do_proto) cprintf("%d Can't locate msg %ld in room\n",
1608 ERROR + MESSAGE_NOT_FOUND, msg_num);
1609 return(om_no_such_msg);
1614 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1615 * request that we don't even bother loading the body into memory.
1617 if (headers_only == HEADERS_FAST) {
1618 TheMessage = CtdlFetchMessage(msg_num, 0);
1621 TheMessage = CtdlFetchMessage(msg_num, 1);
1624 if (TheMessage == NULL) {
1625 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1626 ERROR + MESSAGE_NOT_FOUND, msg_num);
1627 return(om_no_such_msg);
1630 /* Here is the weird form of this command, to process only an
1631 * encapsulated message/rfc822 section.
1633 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1634 memset(&encap, 0, sizeof encap);
1635 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1636 mime_parser(TheMessage->cm_fields['M'],
1638 *extract_encapsulated_message,
1639 NULL, NULL, (void *)&encap, 0
1641 CtdlFreeMessage(TheMessage);
1645 encap.msg[encap.msglen] = 0;
1646 TheMessage = convert_internet_message(encap.msg);
1647 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1649 /* Now we let it fall through to the bottom of this
1650 * function, because TheMessage now contains the
1651 * encapsulated message instead of the top-level
1652 * message. Isn't that neat?
1657 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1658 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1659 retcode = om_no_such_msg;
1664 /* Ok, output the message now */
1665 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1666 CtdlFreeMessage(TheMessage);
1672 char *qp_encode_email_addrs(char *source)
1674 char *user, *node, *name;
1675 const char headerStr[] = "=?UTF-8?Q?";
1679 int need_to_encode = 0;
1685 long nAddrPtrMax = 50;
1690 if (source == NULL) return source;
1691 if (IsEmptyStr(source)) return source;
1693 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1695 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1696 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1697 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1700 while (!IsEmptyStr (&source[i])) {
1701 if (nColons >= nAddrPtrMax){
1704 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1705 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1706 free (AddrPtr), AddrPtr = ptr;
1708 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1709 memset(&ptr[nAddrPtrMax], 0,
1710 sizeof (long) * nAddrPtrMax);
1712 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1713 free (AddrUtf8), AddrUtf8 = ptr;
1716 if (((unsigned char) source[i] < 32) ||
1717 ((unsigned char) source[i] > 126)) {
1719 AddrUtf8[nColons] = 1;
1721 if (source[i] == '"')
1722 InQuotes = !InQuotes;
1723 if (!InQuotes && source[i] == ',') {
1724 AddrPtr[nColons] = i;
1729 if (need_to_encode == 0) {
1736 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1737 Encoded = (char*) malloc (EncodedMaxLen);
1739 for (i = 0; i < nColons; i++)
1740 source[AddrPtr[i]++] = '\0';
1741 /* TODO: if libidn, this might get larger*/
1742 user = malloc(SourceLen + 1);
1743 node = malloc(SourceLen + 1);
1744 name = malloc(SourceLen + 1);
1748 for (i = 0; i < nColons && nPtr != NULL; i++) {
1749 nmax = EncodedMaxLen - (nPtr - Encoded);
1751 process_rfc822_addr(&source[AddrPtr[i]],
1755 /* TODO: libIDN here ! */
1756 if (IsEmptyStr(name)) {
1757 n = snprintf(nPtr, nmax,
1758 (i==0)?"%s@%s" : ",%s@%s",
1762 EncodedName = rfc2047encode(name, strlen(name));
1763 n = snprintf(nPtr, nmax,
1764 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1765 EncodedName, user, node);
1770 n = snprintf(nPtr, nmax,
1771 (i==0)?"%s" : ",%s",
1772 &source[AddrPtr[i]]);
1778 ptr = (char*) malloc(EncodedMaxLen * 2);
1779 memcpy(ptr, Encoded, EncodedMaxLen);
1780 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1781 free(Encoded), Encoded = ptr;
1783 i--; /* do it once more with properly lengthened buffer */
1786 for (i = 0; i < nColons; i++)
1787 source[--AddrPtr[i]] = ',';
1798 /* If the last item in a list of recipients was truncated to a partial address,
1799 * remove it completely in order to avoid choking libSieve
1801 void sanitize_truncated_recipient(char *str)
1804 if (num_tokens(str, ',') < 2) return;
1806 int len = strlen(str);
1807 if (len < 900) return;
1808 if (len > 998) str[998] = 0;
1810 char *cptr = strrchr(str, ',');
1813 char *lptr = strchr(cptr, '<');
1814 char *rptr = strchr(cptr, '>');
1816 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1822 void OutputCtdlMsgHeaders(
1823 struct CtdlMessage *TheMessage,
1824 int do_proto) /* do Citadel protocol responses? */
1830 char display_name[256];
1832 /* begin header processing loop for Citadel message format */
1833 safestrncpy(display_name, "<unknown>", sizeof display_name);
1834 if (TheMessage->cm_fields['A']) {
1835 strcpy(buf, TheMessage->cm_fields['A']);
1836 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1837 safestrncpy(display_name, "****", sizeof display_name);
1839 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1840 safestrncpy(display_name, "anonymous", sizeof display_name);
1843 safestrncpy(display_name, buf, sizeof display_name);
1845 if ((is_room_aide())
1846 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1847 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1848 size_t tmp = strlen(display_name);
1849 snprintf(&display_name[tmp],
1850 sizeof display_name - tmp,
1855 /* Don't show Internet address for users on the
1856 * local Citadel network.
1859 if (TheMessage->cm_fields['N'] != NULL)
1860 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1861 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1865 /* Now spew the header fields in the order we like them. */
1866 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1867 for (i=0; i<n; ++i) {
1868 k = (int) allkeys[i];
1870 if ( (TheMessage->cm_fields[k] != NULL)
1871 && (msgkeys[k] != NULL) ) {
1872 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1873 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1876 if (do_proto) cprintf("%s=%s\n",
1880 else if ((k == 'F') && (suppress_f)) {
1883 /* Masquerade display name if needed */
1885 if (do_proto) cprintf("%s=%s\n",
1887 TheMessage->cm_fields[k]
1896 void OutputRFC822MsgHeaders(
1897 struct CtdlMessage *TheMessage,
1898 int flags, /* should the bessage be exported clean */
1900 char *mid, long sizeof_mid,
1901 char *suser, long sizeof_suser,
1902 char *luser, long sizeof_luser,
1903 char *fuser, long sizeof_fuser,
1904 char *snode, long sizeof_snode)
1906 char datestamp[100];
1907 int subject_found = 0;
1913 for (i = 0; i < 256; ++i) {
1914 if (TheMessage->cm_fields[i]) {
1915 mptr = mpptr = TheMessage->cm_fields[i];
1918 safestrncpy(luser, mptr, sizeof_luser);
1919 safestrncpy(suser, mptr, sizeof_suser);
1921 else if (i == 'Y') {
1922 if ((flags & QP_EADDR) != 0) {
1923 mptr = qp_encode_email_addrs(mptr);
1925 sanitize_truncated_recipient(mptr);
1926 cprintf("CC: %s%s", mptr, nl);
1928 else if (i == 'P') {
1929 cprintf("Return-Path: %s%s", mptr, nl);
1931 else if (i == 'L') {
1932 cprintf("List-ID: %s%s", mptr, nl);
1934 else if (i == 'V') {
1935 if ((flags & QP_EADDR) != 0)
1936 mptr = qp_encode_email_addrs(mptr);
1937 cprintf("Envelope-To: %s%s", mptr, nl);
1939 else if (i == 'U') {
1940 cprintf("Subject: %s%s", mptr, nl);
1944 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1946 safestrncpy(fuser, mptr, sizeof_fuser);
1947 /* else if (i == 'O')
1948 cprintf("X-Citadel-Room: %s%s",
1951 safestrncpy(snode, mptr, sizeof_snode);
1954 if (haschar(mptr, '@') == 0)
1956 sanitize_truncated_recipient(mptr);
1957 cprintf("To: %s@%s", mptr, config.c_fqdn);
1962 if ((flags & QP_EADDR) != 0) {
1963 mptr = qp_encode_email_addrs(mptr);
1965 sanitize_truncated_recipient(mptr);
1966 cprintf("To: %s", mptr);
1970 else if (i == 'T') {
1971 datestring(datestamp, sizeof datestamp,
1972 atol(mptr), DATESTRING_RFC822);
1973 cprintf("Date: %s%s", datestamp, nl);
1975 else if (i == 'W') {
1976 cprintf("References: ");
1977 k = num_tokens(mptr, '|');
1978 for (j=0; j<k; ++j) {
1979 extract_token(buf, mptr, j, '|', sizeof buf);
1980 cprintf("<%s>", buf);
1989 else if (i == 'K') {
1990 cprintf("Reply-To: <%s>%s", mptr, nl);
1996 if (subject_found == 0) {
1997 cprintf("Subject: (no subject)%s", nl);
2002 void Dump_RFC822HeadersBody(
2003 struct CtdlMessage *TheMessage,
2004 int headers_only, /* eschew the message body? */
2005 int flags, /* should the bessage be exported clean? */
2009 cit_uint8_t prev_ch;
2011 const char *StartOfText = StrBufNOTNULL;
2014 int nllen = strlen(nl);
2017 mptr = TheMessage->cm_fields['M'];
2021 while (*mptr != '\0') {
2022 if (*mptr == '\r') {
2029 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2031 eoh = *(mptr+1) == '\n';
2035 StartOfText = strchr(StartOfText, '\n');
2036 StartOfText = strchr(StartOfText, '\n');
2039 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2040 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2041 ((headers_only != HEADERS_NONE) &&
2042 (headers_only != HEADERS_ONLY))
2044 if (*mptr == '\n') {
2045 memcpy(&outbuf[outlen], nl, nllen);
2047 outbuf[outlen] = '\0';
2050 outbuf[outlen++] = *mptr;
2054 if (flags & ESC_DOT)
2056 if ((prev_ch == '\n') &&
2058 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2060 outbuf[outlen++] = '.';
2065 if (outlen > 1000) {
2066 client_write(outbuf, outlen);
2071 client_write(outbuf, outlen);
2078 /* If the format type on disk is 1 (fixed-format), then we want
2079 * everything to be output completely literally ... regardless of
2080 * what message transfer format is in use.
2082 void DumpFormatFixed(
2083 struct CtdlMessage *TheMessage,
2084 int mode, /* how would you like that message? */
2091 int nllen = strlen (nl);
2094 mptr = TheMessage->cm_fields['M'];
2096 if (mode == MT_MIME) {
2097 cprintf("Content-type: text/plain\n\n");
2101 while (ch = *mptr++, ch > 0) {
2105 if ((buflen > 250) && (!xlline)){
2109 while ((buflen > 0) &&
2110 (!isspace(buf[buflen])))
2116 mptr -= tbuflen - buflen;
2121 /* if we reach the outer bounds of our buffer,
2122 abort without respect what whe purge. */
2125 (buflen > SIZ - nllen - 2)))
2129 memcpy (&buf[buflen], nl, nllen);
2133 client_write(buf, buflen);
2143 if (!IsEmptyStr(buf))
2144 cprintf("%s%s", buf, nl);
2148 * Get a message off disk. (returns om_* values found in msgbase.h)
2150 int CtdlOutputPreLoadedMsg(
2151 struct CtdlMessage *TheMessage,
2152 int mode, /* how would you like that message? */
2153 int headers_only, /* eschew the message body? */
2154 int do_proto, /* do Citadel protocol responses? */
2155 int crlf, /* Use CRLF newlines instead of LF? */
2156 int flags /* should the bessage be exported clean? */
2160 const char *nl; /* newline string */
2163 /* Buffers needed for RFC822 translation. These are all filled
2164 * using functions that are bounds-checked, and therefore we can
2165 * make them substantially smaller than SIZ.
2173 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2174 ((TheMessage == NULL) ? "NULL" : "not null"),
2175 mode, headers_only, do_proto, crlf);
2177 strcpy(mid, "unknown");
2178 nl = (crlf ? "\r\n" : "\n");
2180 if (!is_valid_message(TheMessage)) {
2182 "ERROR: invalid preloaded message for output\n");
2184 return(om_no_such_msg);
2187 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2188 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2190 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2191 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2194 /* Are we downloading a MIME component? */
2195 if (mode == MT_DOWNLOAD) {
2196 if (TheMessage->cm_format_type != FMT_RFC822) {
2198 cprintf("%d This is not a MIME message.\n",
2199 ERROR + ILLEGAL_VALUE);
2200 } else if (CC->download_fp != NULL) {
2201 if (do_proto) cprintf(
2202 "%d You already have a download open.\n",
2203 ERROR + RESOURCE_BUSY);
2205 /* Parse the message text component */
2206 mptr = TheMessage->cm_fields['M'];
2207 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2208 /* If there's no file open by this time, the requested
2209 * section wasn't found, so print an error
2211 if (CC->download_fp == NULL) {
2212 if (do_proto) cprintf(
2213 "%d Section %s not found.\n",
2214 ERROR + FILE_NOT_FOUND,
2215 CC->download_desired_section);
2218 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2221 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2222 * in a single server operation instead of opening a download file.
2224 if (mode == MT_SPEW_SECTION) {
2225 if (TheMessage->cm_format_type != FMT_RFC822) {
2227 cprintf("%d This is not a MIME message.\n",
2228 ERROR + ILLEGAL_VALUE);
2230 /* Parse the message text component */
2233 mptr = TheMessage->cm_fields['M'];
2234 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2235 /* If section wasn't found, print an error
2238 if (do_proto) cprintf(
2239 "%d Section %s not found.\n",
2240 ERROR + FILE_NOT_FOUND,
2241 CC->download_desired_section);
2244 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2247 /* now for the user-mode message reading loops */
2248 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2250 /* Does the caller want to skip the headers? */
2251 if (headers_only == HEADERS_NONE) goto START_TEXT;
2253 /* Tell the client which format type we're using. */
2254 if ( (mode == MT_CITADEL) && (do_proto) ) {
2255 cprintf("type=%d\n", TheMessage->cm_format_type);
2258 /* nhdr=yes means that we're only displaying headers, no body */
2259 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2260 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2263 cprintf("nhdr=yes\n");
2266 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2267 OutputCtdlMsgHeaders(TheMessage, do_proto);
2270 /* begin header processing loop for RFC822 transfer format */
2274 strcpy(snode, NODENAME);
2275 if (mode == MT_RFC822)
2276 OutputRFC822MsgHeaders(
2281 suser, sizeof(suser),
2282 luser, sizeof(luser),
2283 fuser, sizeof(fuser),
2284 snode, sizeof(snode)
2288 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2289 suser[i] = tolower(suser[i]);
2290 if (!isalnum(suser[i])) suser[i]='_';
2293 if (mode == MT_RFC822) {
2294 if (!strcasecmp(snode, NODENAME)) {
2295 safestrncpy(snode, FQDN, sizeof snode);
2298 /* Construct a fun message id */
2299 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2300 if (strchr(mid, '@')==NULL) {
2301 cprintf("@%s", snode);
2305 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2306 cprintf("From: \"----\" <x@x.org>%s", nl);
2308 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2309 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2311 else if (!IsEmptyStr(fuser)) {
2312 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2315 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2318 /* Blank line signifying RFC822 end-of-headers */
2319 if (TheMessage->cm_format_type != FMT_RFC822) {
2324 /* end header processing loop ... at this point, we're in the text */
2326 if (headers_only == HEADERS_FAST) goto DONE;
2328 /* Tell the client about the MIME parts in this message */
2329 if (TheMessage->cm_format_type == FMT_RFC822) {
2330 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2331 mptr = TheMessage->cm_fields['M'];
2332 memset(&ma, 0, sizeof(struct ma_info));
2333 mime_parser(mptr, NULL,
2334 (do_proto ? *list_this_part : NULL),
2335 (do_proto ? *list_this_pref : NULL),
2336 (do_proto ? *list_this_suff : NULL),
2339 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2340 Dump_RFC822HeadersBody(
2349 if (headers_only == HEADERS_ONLY) {
2353 /* signify start of msg text */
2354 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2355 if (do_proto) cprintf("text\n");
2358 if (TheMessage->cm_format_type == FMT_FIXED)
2361 mode, /* how would you like that message? */
2364 /* If the message on disk is format 0 (Citadel vari-format), we
2365 * output using the formatter at 80 columns. This is the final output
2366 * form if the transfer format is RFC822, but if the transfer format
2367 * is Citadel proprietary, it'll still work, because the indentation
2368 * for new paragraphs is correct and the client will reformat the
2369 * message to the reader's screen width.
2371 if (TheMessage->cm_format_type == FMT_CITADEL) {
2372 mptr = TheMessage->cm_fields['M'];
2374 if (mode == MT_MIME) {
2375 cprintf("Content-type: text/x-citadel-variformat\n\n");
2380 /* If the message on disk is format 4 (MIME), we've gotta hand it
2381 * off to the MIME parser. The client has already been told that
2382 * this message is format 1 (fixed format), so the callback function
2383 * we use will display those parts as-is.
2385 if (TheMessage->cm_format_type == FMT_RFC822) {
2386 memset(&ma, 0, sizeof(struct ma_info));
2388 if (mode == MT_MIME) {
2389 ma.use_fo_hooks = 0;
2390 strcpy(ma.chosen_part, "1");
2391 ma.chosen_pref = 9999;
2392 ma.dont_decode = CC->msg4_dont_decode;
2393 mime_parser(mptr, NULL,
2394 *choose_preferred, *fixed_output_pre,
2395 *fixed_output_post, (void *)&ma, 1);
2396 mime_parser(mptr, NULL,
2397 *output_preferred, NULL, NULL, (void *)&ma, 1);
2400 ma.use_fo_hooks = 1;
2401 mime_parser(mptr, NULL,
2402 *fixed_output, *fixed_output_pre,
2403 *fixed_output_post, (void *)&ma, 0);
2408 DONE: /* now we're done */
2409 if (do_proto) cprintf("000\n");
2415 * display a message (mode 0 - Citadel proprietary)
2417 void cmd_msg0(char *cmdbuf)
2420 int headers_only = HEADERS_ALL;
2422 msgid = extract_long(cmdbuf, 0);
2423 headers_only = extract_int(cmdbuf, 1);
2425 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2431 * display a message (mode 2 - RFC822)
2433 void cmd_msg2(char *cmdbuf)
2436 int headers_only = HEADERS_ALL;
2438 msgid = extract_long(cmdbuf, 0);
2439 headers_only = extract_int(cmdbuf, 1);
2441 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2447 * display a message (mode 3 - IGnet raw format - internal programs only)
2449 void cmd_msg3(char *cmdbuf)
2452 struct CtdlMessage *msg = NULL;
2455 if (CC->internal_pgm == 0) {
2456 cprintf("%d This command is for internal programs only.\n",
2457 ERROR + HIGHER_ACCESS_REQUIRED);
2461 msgnum = extract_long(cmdbuf, 0);
2462 msg = CtdlFetchMessage(msgnum, 1);
2464 cprintf("%d Message %ld not found.\n",
2465 ERROR + MESSAGE_NOT_FOUND, msgnum);
2469 serialize_message(&smr, msg);
2470 CtdlFreeMessage(msg);
2473 cprintf("%d Unable to serialize message\n",
2474 ERROR + INTERNAL_ERROR);
2478 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2479 client_write((char *)smr.ser, (int)smr.len);
2486 * Display a message using MIME content types
2488 void cmd_msg4(char *cmdbuf)
2493 msgid = extract_long(cmdbuf, 0);
2494 extract_token(section, cmdbuf, 1, '|', sizeof section);
2495 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2501 * Client tells us its preferred message format(s)
2503 void cmd_msgp(char *cmdbuf)
2505 if (!strcasecmp(cmdbuf, "dont_decode")) {
2506 CC->msg4_dont_decode = 1;
2507 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2510 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2511 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2517 * Open a component of a MIME message as a download file
2519 void cmd_opna(char *cmdbuf)
2522 char desired_section[128];
2524 msgid = extract_long(cmdbuf, 0);
2525 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2526 safestrncpy(CC->download_desired_section, desired_section,
2527 sizeof CC->download_desired_section);
2528 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2533 * Open a component of a MIME message and transmit it all at once
2535 void cmd_dlat(char *cmdbuf)
2538 char desired_section[128];
2540 msgid = extract_long(cmdbuf, 0);
2541 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2542 safestrncpy(CC->download_desired_section, desired_section,
2543 sizeof CC->download_desired_section);
2544 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2549 * Save one or more message pointers into a specified room
2550 * (Returns 0 for success, nonzero for failure)
2551 * roomname may be NULL to use the current room
2553 * Note that the 'supplied_msg' field may be set to NULL, in which case
2554 * the message will be fetched from disk, by number, if we need to perform
2555 * replication checks. This adds an additional database read, so if the
2556 * caller already has the message in memory then it should be supplied. (Obviously
2557 * this mode of operation only works if we're saving a single message.)
2559 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2560 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2563 char hold_rm[ROOMNAMELEN];
2564 struct cdbdata *cdbfr;
2567 long highest_msg = 0L;
2570 struct CtdlMessage *msg = NULL;
2572 long *msgs_to_be_merged = NULL;
2573 int num_msgs_to_be_merged = 0;
2576 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2577 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2580 strcpy(hold_rm, CC->room.QRname);
2583 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2584 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2585 if (num_newmsgs > 1) supplied_msg = NULL;
2587 /* Now the regular stuff */
2588 if (CtdlGetRoomLock(&CC->room,
2589 ((roomname != NULL) ? roomname : CC->room.QRname) )
2591 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2592 return(ERROR + ROOM_NOT_FOUND);
2596 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2597 num_msgs_to_be_merged = 0;
2600 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2601 if (cdbfr == NULL) {
2605 msglist = (long *) cdbfr->ptr;
2606 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2607 num_msgs = cdbfr->len / sizeof(long);
2612 /* Create a list of msgid's which were supplied by the caller, but do
2613 * not already exist in the target room. It is absolutely taboo to
2614 * have more than one reference to the same message in a room.
2616 for (i=0; i<num_newmsgs; ++i) {
2618 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2619 if (msglist[j] == newmsgidlist[i]) {
2624 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2628 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2631 * Now merge the new messages
2633 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2634 if (msglist == NULL) {
2635 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2637 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2638 num_msgs += num_msgs_to_be_merged;
2640 /* Sort the message list, so all the msgid's are in order */
2641 num_msgs = sort_msglist(msglist, num_msgs);
2643 /* Determine the highest message number */
2644 highest_msg = msglist[num_msgs - 1];
2646 /* Write it back to disk. */
2647 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2648 msglist, (int)(num_msgs * sizeof(long)));
2650 /* Free up the memory we used. */
2653 /* Update the highest-message pointer and unlock the room. */
2654 CC->room.QRhighest = highest_msg;
2655 CtdlPutRoomLock(&CC->room);
2657 /* Perform replication checks if necessary */
2658 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2659 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2661 for (i=0; i<num_msgs_to_be_merged; ++i) {
2662 msgid = msgs_to_be_merged[i];
2664 if (supplied_msg != NULL) {
2668 msg = CtdlFetchMessage(msgid, 0);
2672 ReplicationChecks(msg);
2674 /* If the message has an Exclusive ID, index that... */
2675 if (msg->cm_fields['E'] != NULL) {
2676 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2679 /* Free up the memory we may have allocated */
2680 if (msg != supplied_msg) {
2681 CtdlFreeMessage(msg);
2689 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2692 /* Submit this room for processing by hooks */
2693 PerformRoomHooks(&CC->room);
2695 /* Go back to the room we were in before we wandered here... */
2696 CtdlGetRoom(&CC->room, hold_rm);
2698 /* Bump the reference count for all messages which were merged */
2699 if (!suppress_refcount_adj) {
2700 for (i=0; i<num_msgs_to_be_merged; ++i) {
2701 AdjRefCount(msgs_to_be_merged[i], +1);
2705 /* Free up memory... */
2706 if (msgs_to_be_merged != NULL) {
2707 free(msgs_to_be_merged);
2710 /* Return success. */
2716 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2719 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2720 int do_repl_check, struct CtdlMessage *supplied_msg)
2722 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2729 * Message base operation to save a new message to the message store
2730 * (returns new message number)
2732 * This is the back end for CtdlSubmitMsg() and should not be directly
2733 * called by server-side modules.
2736 long send_message(struct CtdlMessage *msg) {
2744 /* Get a new message number */
2745 newmsgid = get_new_message_number();
2746 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2748 /* Generate an ID if we don't have one already */
2749 if (msg->cm_fields['I']==NULL) {
2750 msg->cm_fields['I'] = strdup(msgidbuf);
2753 /* If the message is big, set its body aside for storage elsewhere */
2754 if (msg->cm_fields['M'] != NULL) {
2755 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2757 holdM = msg->cm_fields['M'];
2758 msg->cm_fields['M'] = NULL;
2762 /* Serialize our data structure for storage in the database */
2763 serialize_message(&smr, msg);
2766 msg->cm_fields['M'] = holdM;
2770 cprintf("%d Unable to serialize message\n",
2771 ERROR + INTERNAL_ERROR);
2775 /* Write our little bundle of joy into the message base */
2776 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2777 smr.ser, smr.len) < 0) {
2778 syslog(LOG_ERR, "Can't store message\n");
2782 cdb_store(CDB_BIGMSGS,
2792 /* Free the memory we used for the serialized message */
2795 /* Return the *local* message ID to the caller
2796 * (even if we're storing an incoming network message)
2804 * Serialize a struct CtdlMessage into the format used on disk and network.
2806 * This function loads up a "struct ser_ret" (defined in server.h) which
2807 * contains the length of the serialized message and a pointer to the
2808 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2810 void serialize_message(struct ser_ret *ret, /* return values */
2811 struct CtdlMessage *msg) /* unserialized msg */
2813 size_t wlen, fieldlen;
2815 static char *forder = FORDER;
2818 * Check for valid message format
2820 if (is_valid_message(msg) == 0) {
2821 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2828 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2829 ret->len = ret->len +
2830 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2832 ret->ser = malloc(ret->len);
2833 if (ret->ser == NULL) {
2834 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2835 (long)ret->len, strerror(errno));
2842 ret->ser[1] = msg->cm_anon_type;
2843 ret->ser[2] = msg->cm_format_type;
2846 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2847 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2848 ret->ser[wlen++] = (char)forder[i];
2849 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2850 wlen = wlen + fieldlen + 1;
2852 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2853 (long)ret->len, (long)wlen);
2860 * Serialize a struct CtdlMessage into the format used on disk and network.
2862 * This function loads up a "struct ser_ret" (defined in server.h) which
2863 * contains the length of the serialized message and a pointer to the
2864 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2866 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2867 long Siz) /* how many chars ? */
2871 static char *forder = FORDER;
2875 * Check for valid message format
2877 if (is_valid_message(msg) == 0) {
2878 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2882 buf = (char*) malloc (Siz + 1);
2886 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2887 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2888 msg->cm_fields[(int)forder[i]]);
2889 client_write (buf, strlen(buf));
2898 * Check to see if any messages already exist in the current room which
2899 * carry the same Exclusive ID as this one. If any are found, delete them.
2901 void ReplicationChecks(struct CtdlMessage *msg) {
2902 long old_msgnum = (-1L);
2904 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2906 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2909 /* No exclusive id? Don't do anything. */
2910 if (msg == NULL) return;
2911 if (msg->cm_fields['E'] == NULL) return;
2912 if (IsEmptyStr(msg->cm_fields['E'])) return;
2913 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2914 msg->cm_fields['E'], CC->room.QRname);*/
2916 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2917 if (old_msgnum > 0L) {
2918 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2919 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2926 * Save a message to disk and submit it into the delivery system.
2928 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2929 struct recptypes *recps, /* recipients (if mail) */
2930 char *force, /* force a particular room? */
2931 int flags /* should the message be exported clean? */
2933 char submit_filename[128];
2934 char generated_timestamp[32];
2935 char hold_rm[ROOMNAMELEN];
2936 char actual_rm[ROOMNAMELEN];
2937 char force_room[ROOMNAMELEN];
2938 char content_type[SIZ]; /* We have to learn this */
2939 char recipient[SIZ];
2941 const char *mptr = NULL;
2942 struct ctdluser userbuf;
2944 struct MetaData smi;
2945 FILE *network_fp = NULL;
2946 static int seqnum = 1;
2947 struct CtdlMessage *imsg = NULL;
2949 size_t instr_alloc = 0;
2951 char *hold_R, *hold_D;
2952 char *collected_addresses = NULL;
2953 struct addresses_to_be_filed *aptr = NULL;
2954 StrBuf *saved_rfc822_version = NULL;
2955 int qualified_for_journaling = 0;
2956 CitContext *CCC = MyContext();
2957 char bounce_to[1024] = "";
2961 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
2962 if (is_valid_message(msg) == 0) return(-1); /* self check */
2964 /* If this message has no timestamp, we take the liberty of
2965 * giving it one, right now.
2967 if (msg->cm_fields['T'] == NULL) {
2968 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2969 msg->cm_fields['T'] = strdup(generated_timestamp);
2972 /* If this message has no path, we generate one.
2974 if (msg->cm_fields['P'] == NULL) {
2975 if (msg->cm_fields['A'] != NULL) {
2976 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2977 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2978 if (isspace(msg->cm_fields['P'][a])) {
2979 msg->cm_fields['P'][a] = ' ';
2984 msg->cm_fields['P'] = strdup("unknown");
2988 if (force == NULL) {
2989 strcpy(force_room, "");
2992 strcpy(force_room, force);
2995 /* Learn about what's inside, because it's what's inside that counts */
2996 if (msg->cm_fields['M'] == NULL) {
2997 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3001 switch (msg->cm_format_type) {
3003 strcpy(content_type, "text/x-citadel-variformat");
3006 strcpy(content_type, "text/plain");
3009 strcpy(content_type, "text/plain");
3010 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3013 safestrncpy(content_type, &mptr[13], sizeof content_type);
3014 striplt(content_type);
3015 aptr = content_type;
3016 while (!IsEmptyStr(aptr)) {
3028 /* Goto the correct room */
3029 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3030 strcpy(hold_rm, CCC->room.QRname);
3031 strcpy(actual_rm, CCC->room.QRname);
3032 if (recps != NULL) {
3033 strcpy(actual_rm, SENTITEMS);
3036 /* If the user is a twit, move to the twit room for posting */
3038 if (CCC->user.axlevel == AxProbU) {
3039 strcpy(hold_rm, actual_rm);
3040 strcpy(actual_rm, config.c_twitroom);
3041 syslog(LOG_DEBUG, "Diverting to twit room\n");
3045 /* ...or if this message is destined for Aide> then go there. */
3046 if (!IsEmptyStr(force_room)) {
3047 strcpy(actual_rm, force_room);
3050 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3051 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3052 /* CtdlGetRoom(&CCC->room, actual_rm); */
3053 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3057 * If this message has no O (room) field, generate one.
3059 if (msg->cm_fields['O'] == NULL) {
3060 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3063 /* Perform "before save" hooks (aborting if any return nonzero) */
3064 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3065 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3068 * If this message has an Exclusive ID, and the room is replication
3069 * checking enabled, then do replication checks.
3071 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3072 ReplicationChecks(msg);
3075 /* Save it to disk */
3076 syslog(LOG_DEBUG, "Saving to disk\n");
3077 newmsgid = send_message(msg);
3078 if (newmsgid <= 0L) return(-5);
3080 /* Write a supplemental message info record. This doesn't have to
3081 * be a critical section because nobody else knows about this message
3084 syslog(LOG_DEBUG, "Creating MetaData record\n");
3085 memset(&smi, 0, sizeof(struct MetaData));
3086 smi.meta_msgnum = newmsgid;
3087 smi.meta_refcount = 0;
3088 safestrncpy(smi.meta_content_type, content_type,
3089 sizeof smi.meta_content_type);
3092 * Measure how big this message will be when rendered as RFC822.
3093 * We do this for two reasons:
3094 * 1. We need the RFC822 length for the new metadata record, so the
3095 * POP and IMAP services don't have to calculate message lengths
3096 * while the user is waiting (multiplied by potentially hundreds
3097 * or thousands of messages).
3098 * 2. If journaling is enabled, we will need an RFC822 version of the
3099 * message to attach to the journalized copy.
3101 if (CCC->redirect_buffer != NULL) {
3102 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3105 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3106 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3107 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3108 saved_rfc822_version = CCC->redirect_buffer;
3109 CCC->redirect_buffer = NULL;
3113 /* Now figure out where to store the pointers */
3114 syslog(LOG_DEBUG, "Storing pointers\n");
3116 /* If this is being done by the networker delivering a private
3117 * message, we want to BYPASS saving the sender's copy (because there
3118 * is no local sender; it would otherwise go to the Trashcan).
3120 if ((!CCC->internal_pgm) || (recps == NULL)) {
3121 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3122 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3123 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3127 /* For internet mail, drop a copy in the outbound queue room */
3128 if ((recps != NULL) && (recps->num_internet > 0)) {
3129 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3132 /* If other rooms are specified, drop them there too. */
3133 if ((recps != NULL) && (recps->num_room > 0))
3134 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3135 extract_token(recipient, recps->recp_room, i,
3136 '|', sizeof recipient);
3137 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3138 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3141 /* Bump this user's messages posted counter. */
3142 syslog(LOG_DEBUG, "Updating user\n");
3143 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3144 CCC->user.posted = CCC->user.posted + 1;
3145 CtdlPutUserLock(&CCC->user);
3147 /* Decide where bounces need to be delivered */
3148 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3149 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3151 else if (CCC->logged_in) {
3152 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3155 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3158 /* If this is private, local mail, make a copy in the
3159 * recipient's mailbox and bump the reference count.
3161 if ((recps != NULL) && (recps->num_local > 0))
3162 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3163 extract_token(recipient, recps->recp_local, i,
3164 '|', sizeof recipient);
3165 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3167 if (CtdlGetUser(&userbuf, recipient) == 0) {
3168 // Add a flag so the Funambol module knows its mail
3169 msg->cm_fields['W'] = strdup(recipient);
3170 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3171 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3172 CtdlBumpNewMailCounter(userbuf.usernum);
3173 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3174 /* Generate a instruction message for the Funambol notification
3175 * server, in the same style as the SMTP queue
3178 instr = malloc(instr_alloc);
3179 snprintf(instr, instr_alloc,
3180 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3182 SPOOLMIME, newmsgid, (long)time(NULL),
3186 imsg = malloc(sizeof(struct CtdlMessage));
3187 memset(imsg, 0, sizeof(struct CtdlMessage));
3188 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3189 imsg->cm_anon_type = MES_NORMAL;
3190 imsg->cm_format_type = FMT_RFC822;
3191 imsg->cm_fields['A'] = strdup("Citadel");
3192 imsg->cm_fields['J'] = strdup("do not journal");
3193 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3194 imsg->cm_fields['W'] = strdup(recipient);
3195 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3196 CtdlFreeMessage(imsg);
3200 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3201 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3206 /* Perform "after save" hooks */
3207 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3208 PerformMessageHooks(msg, EVT_AFTERSAVE);
3210 /* For IGnet mail, we have to save a new copy into the spooler for
3211 * each recipient, with the R and D fields set to the recipient and
3212 * destination-node. This has two ugly side effects: all other
3213 * recipients end up being unlisted in this recipient's copy of the
3214 * message, and it has to deliver multiple messages to the same
3215 * node. We'll revisit this again in a year or so when everyone has
3216 * a network spool receiver that can handle the new style messages.
3218 if ((recps != NULL) && (recps->num_ignet > 0))
3219 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3220 extract_token(recipient, recps->recp_ignet, i,
3221 '|', sizeof recipient);
3223 hold_R = msg->cm_fields['R'];
3224 hold_D = msg->cm_fields['D'];
3225 msg->cm_fields['R'] = malloc(SIZ);
3226 msg->cm_fields['D'] = malloc(128);
3227 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3228 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3230 serialize_message(&smr, msg);
3232 snprintf(submit_filename, sizeof submit_filename,
3233 "%s/netmail.%04lx.%04x.%04x",
3235 (long) getpid(), CCC->cs_pid, ++seqnum);
3236 network_fp = fopen(submit_filename, "wb+");
3237 if (network_fp != NULL) {
3238 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3244 free(msg->cm_fields['R']);
3245 free(msg->cm_fields['D']);
3246 msg->cm_fields['R'] = hold_R;
3247 msg->cm_fields['D'] = hold_D;
3250 /* Go back to the room we started from */
3251 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3252 if (strcasecmp(hold_rm, CCC->room.QRname))
3253 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3255 /* For internet mail, generate delivery instructions.
3256 * Yes, this is recursive. Deal with it. Infinite recursion does
3257 * not happen because the delivery instructions message does not
3258 * contain a recipient.
3260 if ((recps != NULL) && (recps->num_internet > 0)) {
3261 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3263 instr = malloc(instr_alloc);
3264 snprintf(instr, instr_alloc,
3265 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3267 SPOOLMIME, newmsgid, (long)time(NULL),
3271 if (recps->envelope_from != NULL) {
3272 tmp = strlen(instr);
3273 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3276 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3277 tmp = strlen(instr);
3278 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3279 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3280 instr_alloc = instr_alloc * 2;
3281 instr = realloc(instr, instr_alloc);
3283 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3286 imsg = malloc(sizeof(struct CtdlMessage));
3287 memset(imsg, 0, sizeof(struct CtdlMessage));
3288 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3289 imsg->cm_anon_type = MES_NORMAL;
3290 imsg->cm_format_type = FMT_RFC822;
3291 imsg->cm_fields['A'] = strdup("Citadel");
3292 imsg->cm_fields['J'] = strdup("do not journal");
3293 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3294 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3295 CtdlFreeMessage(imsg);
3299 * Any addresses to harvest for someone's address book?
3301 if ( (CCC->logged_in) && (recps != NULL) ) {
3302 collected_addresses = harvest_collected_addresses(msg);
3305 if (collected_addresses != NULL) {
3306 aptr = (struct addresses_to_be_filed *)
3307 malloc(sizeof(struct addresses_to_be_filed));
3308 CtdlMailboxName(actual_rm, sizeof actual_rm,
3309 &CCC->user, USERCONTACTSROOM);
3310 aptr->roomname = strdup(actual_rm);
3311 aptr->collected_addresses = collected_addresses;
3312 begin_critical_section(S_ATBF);
3315 end_critical_section(S_ATBF);
3319 * Determine whether this message qualifies for journaling.
3321 if (msg->cm_fields['J'] != NULL) {
3322 qualified_for_journaling = 0;
3325 if (recps == NULL) {
3326 qualified_for_journaling = config.c_journal_pubmsgs;
3328 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3329 qualified_for_journaling = config.c_journal_email;
3332 qualified_for_journaling = config.c_journal_pubmsgs;
3337 * Do we have to perform journaling? If so, hand off the saved
3338 * RFC822 version will be handed off to the journaler for background
3339 * submit. Otherwise, we have to free the memory ourselves.
3341 if (saved_rfc822_version != NULL) {
3342 if (qualified_for_journaling) {
3343 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3346 FreeStrBuf(&saved_rfc822_version);
3356 void aide_message (char *text, char *subject)
3358 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3363 * Convenience function for generating small administrative messages.
3365 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3366 int format_type, const char *subject)
3368 struct CtdlMessage *msg;
3369 struct recptypes *recp = NULL;
3371 msg = malloc(sizeof(struct CtdlMessage));
3372 memset(msg, 0, sizeof(struct CtdlMessage));
3373 msg->cm_magic = CTDLMESSAGE_MAGIC;
3374 msg->cm_anon_type = MES_NORMAL;
3375 msg->cm_format_type = format_type;
3378 msg->cm_fields['A'] = strdup(from);
3380 else if (fromaddr != NULL) {
3381 msg->cm_fields['A'] = strdup(fromaddr);
3382 if (strchr(msg->cm_fields['A'], '@')) {
3383 *strchr(msg->cm_fields['A'], '@') = 0;
3387 msg->cm_fields['A'] = strdup("Citadel");
3390 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3391 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3392 msg->cm_fields['N'] = strdup(NODENAME);
3394 msg->cm_fields['R'] = strdup(to);
3395 recp = validate_recipients(to, NULL, 0);
3397 if (subject != NULL) {
3398 msg->cm_fields['U'] = strdup(subject);
3400 msg->cm_fields['M'] = strdup(text);
3402 CtdlSubmitMsg(msg, recp, room, 0);
3403 CtdlFreeMessage(msg);
3404 if (recp != NULL) free_recipients(recp);
3410 * Back end function used by CtdlMakeMessage() and similar functions
3412 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3414 size_t maxlen, /* maximum message length */
3415 char *exist, /* if non-null, append to it;
3416 exist is ALWAYS freed */
3417 int crlf, /* CRLF newlines instead of LF */
3418 int *sock /* socket handle or 0 for this session's client socket */
3427 LineBuf = NewStrBufPlain(NULL, SIZ);
3428 if (exist == NULL) {
3429 Message = NewStrBufPlain(NULL, 4 * SIZ);
3432 Message = NewStrBufPlain(exist, -1);
3436 /* Do we need to change leading ".." to "." for SMTP escaping? */
3437 if ((tlen == 1) && (*terminator == '.')) {
3441 /* read in the lines of message text one by one */
3444 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3449 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3451 if ((StrLength(LineBuf) == tlen) &&
3452 (!strcmp(ChrPtr(LineBuf), terminator)))
3455 if ( (!flushing) && (!finished) ) {
3457 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3460 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3463 /* Unescape SMTP-style input of two dots at the beginning of the line */
3465 (StrLength(LineBuf) == 2) &&
3466 (!strcmp(ChrPtr(LineBuf), "..")))
3468 StrBufCutLeft(LineBuf, 1);
3471 StrBufAppendBuf(Message, LineBuf, 0);
3474 /* if we've hit the max msg length, flush the rest */
3475 if (StrLength(Message) >= maxlen) flushing = 1;
3477 } while (!finished);
3478 FreeStrBuf(&LineBuf);
3484 * Back end function used by CtdlMakeMessage() and similar functions
3486 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3488 size_t maxlen, /* maximum message length */
3489 char *exist, /* if non-null, append to it;
3490 exist is ALWAYS freed */
3491 int crlf, /* CRLF newlines instead of LF */
3492 int *sock /* socket handle or 0 for this session's client socket */
3497 Message = CtdlReadMessageBodyBuf(terminator,
3503 if (Message == NULL)
3506 return SmashStrBuf(&Message);
3511 * Build a binary message to be saved on disk.
3512 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3513 * will become part of the message. This means you are no longer
3514 * responsible for managing that memory -- it will be freed along with
3515 * the rest of the fields when CtdlFreeMessage() is called.)
3518 struct CtdlMessage *CtdlMakeMessage(
3519 struct ctdluser *author, /* author's user structure */
3520 char *recipient, /* NULL if it's not mail */
3521 char *recp_cc, /* NULL if it's not mail */
3522 char *room, /* room where it's going */
3523 int type, /* see MES_ types in header file */
3524 int format_type, /* variformat, plain text, MIME... */
3525 char *fake_name, /* who we're masquerading as */
3526 char *my_email, /* which of my email addresses to use (empty is ok) */
3527 char *subject, /* Subject (optional) */
3528 char *supplied_euid, /* ...or NULL if this is irrelevant */
3529 char *preformatted_text, /* ...or NULL to read text from client */
3530 char *references /* Thread references */
3532 char dest_node[256];
3534 struct CtdlMessage *msg;
3536 StrBuf *FakeEncAuthor = NULL;
3538 msg = malloc(sizeof(struct CtdlMessage));
3539 memset(msg, 0, sizeof(struct CtdlMessage));
3540 msg->cm_magic = CTDLMESSAGE_MAGIC;
3541 msg->cm_anon_type = type;
3542 msg->cm_format_type = format_type;
3544 /* Don't confuse the poor folks if it's not routed mail. */
3545 strcpy(dest_node, "");
3547 if (recipient != NULL) striplt(recipient);
3548 if (recp_cc != NULL) striplt(recp_cc);
3550 /* Path or Return-Path */
3551 if (my_email == NULL) my_email = "";
3553 if (!IsEmptyStr(my_email)) {
3554 msg->cm_fields['P'] = strdup(my_email);
3557 snprintf(buf, sizeof buf, "%s", author->fullname);
3558 msg->cm_fields['P'] = strdup(buf);
3560 convert_spaces_to_underscores(msg->cm_fields['P']);
3562 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3563 msg->cm_fields['T'] = strdup(buf);
3565 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3566 FakeAuthor = NewStrBufPlain (fake_name, -1);
3569 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3571 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3572 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3573 FreeStrBuf(&FakeAuthor);
3575 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3576 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3579 msg->cm_fields['O'] = strdup(CC->room.QRname);
3582 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3583 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3585 if ((recipient != NULL) && (recipient[0] != 0)) {
3586 msg->cm_fields['R'] = strdup(recipient);
3588 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3589 msg->cm_fields['Y'] = strdup(recp_cc);
3591 if (dest_node[0] != 0) {
3592 msg->cm_fields['D'] = strdup(dest_node);
3595 if (!IsEmptyStr(my_email)) {
3596 msg->cm_fields['F'] = strdup(my_email);
3598 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3599 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3602 if (subject != NULL) {
3605 length = strlen(subject);
3611 while ((subject[i] != '\0') &&
3612 (IsAscii = isascii(subject[i]) != 0 ))
3615 msg->cm_fields['U'] = strdup(subject);
3616 else /* ok, we've got utf8 in the string. */
3618 msg->cm_fields['U'] = rfc2047encode(subject, length);
3624 if (supplied_euid != NULL) {
3625 msg->cm_fields['E'] = strdup(supplied_euid);
3628 if (references != NULL) {
3629 if (!IsEmptyStr(references)) {
3630 msg->cm_fields['W'] = strdup(references);
3634 if (preformatted_text != NULL) {
3635 msg->cm_fields['M'] = preformatted_text;
3638 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3646 * Check to see whether we have permission to post a message in the current
3647 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3648 * returns 0 on success.
3650 int CtdlDoIHavePermissionToPostInThisRoom(
3653 const char* RemoteIdentifier,
3659 if (!(CC->logged_in) &&
3660 (PostPublic == POST_LOGGED_IN)) {
3661 snprintf(errmsgbuf, n, "Not logged in.");
3662 return (ERROR + NOT_LOGGED_IN);
3664 else if (PostPublic == CHECK_EXISTANCE) {
3665 return (0); // We're Evaling whether a recipient exists
3667 else if (!(CC->logged_in)) {
3669 if ((CC->room.QRflags & QR_READONLY)) {
3670 snprintf(errmsgbuf, n, "Not logged in.");
3671 return (ERROR + NOT_LOGGED_IN);
3673 if (CC->room.QRflags2 & QR2_MODERATED) {
3674 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3675 return (ERROR + NOT_LOGGED_IN);
3677 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3682 if (RemoteIdentifier == NULL)
3684 snprintf(errmsgbuf, n, "Need sender to permit access.");
3685 return (ERROR + USERNAME_REQUIRED);
3688 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3689 begin_critical_section(S_NETCONFIGS);
3690 if (!read_spoolcontrol_file(&sc, filename))
3692 end_critical_section(S_NETCONFIGS);
3693 snprintf(errmsgbuf, n,
3694 "This mailing list only accepts posts from subscribers.");
3695 return (ERROR + NO_SUCH_USER);
3697 end_critical_section(S_NETCONFIGS);
3698 found = is_recipient (sc, RemoteIdentifier);
3699 free_spoolcontrol_struct(&sc);
3704 snprintf(errmsgbuf, n,
3705 "This mailing list only accepts posts from subscribers.");
3706 return (ERROR + NO_SUCH_USER);
3713 if ((CC->user.axlevel < AxProbU)
3714 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3715 snprintf(errmsgbuf, n, "Need to be validated to enter "
3716 "(except in %s> to sysop)", MAILROOM);
3717 return (ERROR + HIGHER_ACCESS_REQUIRED);
3720 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3722 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3724 * To be thorough, we ought to check to see if the message they are
3725 * replying to is actually a valid one in this room, but unless this
3726 * actually becomes a problem we'll go with high performance instead.
3728 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3729 return (ERROR + HIGHER_ACCESS_REQUIRED);
3732 else if (!(ra & UA_POSTALLOWED)) {
3733 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3734 return (ERROR + HIGHER_ACCESS_REQUIRED);
3737 strcpy(errmsgbuf, "Ok");
3743 * Check to see if the specified user has Internet mail permission
3744 * (returns nonzero if permission is granted)
3746 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3748 /* Do not allow twits to send Internet mail */
3749 if (who->axlevel <= AxProbU) return(0);
3751 /* Globally enabled? */
3752 if (config.c_restrict == 0) return(1);
3754 /* User flagged ok? */
3755 if (who->flags & US_INTERNET) return(2);
3757 /* Aide level access? */
3758 if (who->axlevel >= AxAideU) return(3);
3760 /* No mail for you! */
3766 * Validate recipients, count delivery types and errors, and handle aliasing
3767 * FIXME check for dupes!!!!!
3769 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3770 * were specified, or the number of addresses found invalid.
3772 * Caller needs to free the result using free_recipients()
3774 struct recptypes *validate_recipients(const char *supplied_recipients,
3775 const char *RemoteIdentifier,
3777 struct recptypes *ret;
3778 char *recipients = NULL;
3779 char this_recp[256];
3780 char this_recp_cooked[256];
3786 struct ctdluser tempUS;
3787 struct ctdlroom tempQR;
3788 struct ctdlroom tempQR2;
3794 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3795 if (ret == NULL) return(NULL);
3797 /* Set all strings to null and numeric values to zero */
3798 memset(ret, 0, sizeof(struct recptypes));
3800 if (supplied_recipients == NULL) {
3801 recipients = strdup("");
3804 recipients = strdup(supplied_recipients);
3807 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3808 * actually need, but it's healthier for the heap than doing lots of tiny
3809 * realloc() calls instead.
3812 ret->errormsg = malloc(strlen(recipients) + 1024);
3813 ret->recp_local = malloc(strlen(recipients) + 1024);
3814 ret->recp_internet = malloc(strlen(recipients) + 1024);
3815 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3816 ret->recp_room = malloc(strlen(recipients) + 1024);
3817 ret->display_recp = malloc(strlen(recipients) + 1024);
3819 ret->errormsg[0] = 0;
3820 ret->recp_local[0] = 0;
3821 ret->recp_internet[0] = 0;
3822 ret->recp_ignet[0] = 0;
3823 ret->recp_room[0] = 0;
3824 ret->display_recp[0] = 0;
3826 ret->recptypes_magic = RECPTYPES_MAGIC;
3828 /* Change all valid separator characters to commas */
3829 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3830 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3831 recipients[i] = ',';
3835 /* Now start extracting recipients... */
3837 while (!IsEmptyStr(recipients)) {
3839 for (i=0; i<=strlen(recipients); ++i) {
3840 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3841 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3842 safestrncpy(this_recp, recipients, i+1);
3844 if (recipients[i] == ',') {
3845 strcpy(recipients, &recipients[i+1]);
3848 strcpy(recipients, "");
3855 if (IsEmptyStr(this_recp))
3857 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3859 mailtype = alias(this_recp);
3860 mailtype = alias(this_recp);
3861 mailtype = alias(this_recp);
3863 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3864 if (this_recp[j]=='_') {
3865 this_recp_cooked[j] = ' ';
3868 this_recp_cooked[j] = this_recp[j];
3871 this_recp_cooked[j] = '\0';
3876 if (!strcasecmp(this_recp, "sysop")) {
3878 strcpy(this_recp, config.c_aideroom);
3879 if (!IsEmptyStr(ret->recp_room)) {
3880 strcat(ret->recp_room, "|");
3882 strcat(ret->recp_room, this_recp);
3884 else if ( (!strncasecmp(this_recp, "room_", 5))
3885 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3887 /* Save room so we can restore it later */
3891 /* Check permissions to send mail to this room */
3892 err = CtdlDoIHavePermissionToPostInThisRoom(
3897 0 /* 0 = not a reply */
3906 if (!IsEmptyStr(ret->recp_room)) {
3907 strcat(ret->recp_room, "|");
3909 strcat(ret->recp_room, &this_recp_cooked[5]);
3912 /* Restore room in case something needs it */
3916 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3918 strcpy(this_recp, tempUS.fullname);
3919 if (!IsEmptyStr(ret->recp_local)) {
3920 strcat(ret->recp_local, "|");
3922 strcat(ret->recp_local, this_recp);
3924 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3926 strcpy(this_recp, tempUS.fullname);
3927 if (!IsEmptyStr(ret->recp_local)) {
3928 strcat(ret->recp_local, "|");
3930 strcat(ret->recp_local, this_recp);
3938 /* Yes, you're reading this correctly: if the target
3939 * domain points back to the local system or an attached
3940 * Citadel directory, the address is invalid. That's
3941 * because if the address were valid, we would have
3942 * already translated it to a local address by now.
3944 if (IsDirectory(this_recp, 0)) {
3949 ++ret->num_internet;
3950 if (!IsEmptyStr(ret->recp_internet)) {
3951 strcat(ret->recp_internet, "|");
3953 strcat(ret->recp_internet, this_recp);
3958 if (!IsEmptyStr(ret->recp_ignet)) {
3959 strcat(ret->recp_ignet, "|");
3961 strcat(ret->recp_ignet, this_recp);
3969 if (IsEmptyStr(errmsg)) {
3970 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3973 snprintf(append, sizeof append, "%s", errmsg);
3975 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3976 if (!IsEmptyStr(ret->errormsg)) {
3977 strcat(ret->errormsg, "; ");
3979 strcat(ret->errormsg, append);
3983 if (IsEmptyStr(ret->display_recp)) {
3984 strcpy(append, this_recp);
3987 snprintf(append, sizeof append, ", %s", this_recp);
3989 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3990 strcat(ret->display_recp, append);
3995 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3996 ret->num_room + ret->num_error) == 0) {
3997 ret->num_error = (-1);
3998 strcpy(ret->errormsg, "No recipients specified.");
4001 syslog(LOG_DEBUG, "validate_recipients()\n");
4002 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4003 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4004 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4005 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4006 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4014 * Destructor for struct recptypes
4016 void free_recipients(struct recptypes *valid) {
4018 if (valid == NULL) {
4022 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4023 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4027 if (valid->errormsg != NULL) free(valid->errormsg);
4028 if (valid->recp_local != NULL) free(valid->recp_local);
4029 if (valid->recp_internet != NULL) free(valid->recp_internet);
4030 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4031 if (valid->recp_room != NULL) free(valid->recp_room);
4032 if (valid->display_recp != NULL) free(valid->display_recp);
4033 if (valid->bounce_to != NULL) free(valid->bounce_to);
4034 if (valid->envelope_from != NULL) free(valid->envelope_from);
4041 * message entry - mode 0 (normal)
4043 void cmd_ent0(char *entargs)
4049 char supplied_euid[128];
4051 int format_type = 0;
4052 char newusername[256];
4053 char newuseremail[256];
4054 struct CtdlMessage *msg;
4058 struct recptypes *valid = NULL;
4059 struct recptypes *valid_to = NULL;
4060 struct recptypes *valid_cc = NULL;
4061 struct recptypes *valid_bcc = NULL;
4063 int subject_required = 0;
4068 int newuseremail_ok = 0;
4069 char references[SIZ];
4074 post = extract_int(entargs, 0);
4075 extract_token(recp, entargs, 1, '|', sizeof recp);
4076 anon_flag = extract_int(entargs, 2);
4077 format_type = extract_int(entargs, 3);
4078 extract_token(subject, entargs, 4, '|', sizeof subject);
4079 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4080 do_confirm = extract_int(entargs, 6);
4081 extract_token(cc, entargs, 7, '|', sizeof cc);
4082 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4083 switch(CC->room.QRdefaultview) {
4086 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4089 supplied_euid[0] = 0;
4092 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4093 extract_token(references, entargs, 11, '|', sizeof references);
4094 for (ptr=references; *ptr != 0; ++ptr) {
4095 if (*ptr == '!') *ptr = '|';
4098 /* first check to make sure the request is valid. */
4100 err = CtdlDoIHavePermissionToPostInThisRoom(
4105 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4109 cprintf("%d %s\n", err, errmsg);
4113 /* Check some other permission type things. */
4115 if (IsEmptyStr(newusername)) {
4116 strcpy(newusername, CC->user.fullname);
4118 if ( (CC->user.axlevel < AxAideU)
4119 && (strcasecmp(newusername, CC->user.fullname))
4120 && (strcasecmp(newusername, CC->cs_inet_fn))
4122 cprintf("%d You don't have permission to author messages as '%s'.\n",
4123 ERROR + HIGHER_ACCESS_REQUIRED,
4130 if (IsEmptyStr(newuseremail)) {
4131 newuseremail_ok = 1;
4134 if (!IsEmptyStr(newuseremail)) {
4135 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4136 newuseremail_ok = 1;
4138 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4139 j = num_tokens(CC->cs_inet_other_emails, '|');
4140 for (i=0; i<j; ++i) {
4141 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4142 if (!strcasecmp(newuseremail, buf)) {
4143 newuseremail_ok = 1;
4149 if (!newuseremail_ok) {
4150 cprintf("%d You don't have permission to author messages as '%s'.\n",
4151 ERROR + HIGHER_ACCESS_REQUIRED,
4157 CC->cs_flags |= CS_POSTING;
4159 /* In mailbox rooms we have to behave a little differently --
4160 * make sure the user has specified at least one recipient. Then
4161 * validate the recipient(s). We do this for the Mail> room, as
4162 * well as any room which has the "Mailbox" view set - unless it
4163 * is the DRAFTS room which does not require recipients
4166 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4167 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4168 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4169 if (CC->user.axlevel < AxProbU) {
4170 strcpy(recp, "sysop");
4175 valid_to = validate_recipients(recp, NULL, 0);
4176 if (valid_to->num_error > 0) {
4177 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4178 free_recipients(valid_to);
4182 valid_cc = validate_recipients(cc, NULL, 0);
4183 if (valid_cc->num_error > 0) {
4184 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4185 free_recipients(valid_to);
4186 free_recipients(valid_cc);
4190 valid_bcc = validate_recipients(bcc, NULL, 0);
4191 if (valid_bcc->num_error > 0) {
4192 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4193 free_recipients(valid_to);
4194 free_recipients(valid_cc);
4195 free_recipients(valid_bcc);
4199 /* Recipient required, but none were specified */
4200 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4201 free_recipients(valid_to);
4202 free_recipients(valid_cc);
4203 free_recipients(valid_bcc);
4204 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4208 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4209 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4210 cprintf("%d You do not have permission "
4211 "to send Internet mail.\n",
4212 ERROR + HIGHER_ACCESS_REQUIRED);
4213 free_recipients(valid_to);
4214 free_recipients(valid_cc);
4215 free_recipients(valid_bcc);
4220 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)
4221 && (CC->user.axlevel < AxNetU) ) {
4222 cprintf("%d Higher access required for network mail.\n",
4223 ERROR + HIGHER_ACCESS_REQUIRED);
4224 free_recipients(valid_to);
4225 free_recipients(valid_cc);
4226 free_recipients(valid_bcc);
4230 if ((RESTRICT_INTERNET == 1)
4231 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4232 && ((CC->user.flags & US_INTERNET) == 0)
4233 && (!CC->internal_pgm)) {
4234 cprintf("%d You don't have access to Internet mail.\n",
4235 ERROR + HIGHER_ACCESS_REQUIRED);
4236 free_recipients(valid_to);
4237 free_recipients(valid_cc);
4238 free_recipients(valid_bcc);
4244 /* Is this a room which has anonymous-only or anonymous-option? */
4245 anonymous = MES_NORMAL;
4246 if (CC->room.QRflags & QR_ANONONLY) {
4247 anonymous = MES_ANONONLY;
4249 if (CC->room.QRflags & QR_ANONOPT) {
4250 if (anon_flag == 1) { /* only if the user requested it */
4251 anonymous = MES_ANONOPT;
4255 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4259 /* Recommend to the client that the use of a message subject is
4260 * strongly recommended in this room, if either the SUBJECTREQ flag
4261 * is set, or if there is one or more Internet email recipients.
4263 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4264 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4265 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4266 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4268 /* If we're only checking the validity of the request, return
4269 * success without creating the message.
4272 cprintf("%d %s|%d\n", CIT_OK,
4273 ((valid_to != NULL) ? valid_to->display_recp : ""),
4275 free_recipients(valid_to);
4276 free_recipients(valid_cc);
4277 free_recipients(valid_bcc);
4281 /* We don't need these anymore because we'll do it differently below */
4282 free_recipients(valid_to);
4283 free_recipients(valid_cc);
4284 free_recipients(valid_bcc);
4286 /* Read in the message from the client. */
4288 cprintf("%d send message\n", START_CHAT_MODE);
4290 cprintf("%d send message\n", SEND_LISTING);
4293 msg = CtdlMakeMessage(&CC->user, recp, cc,
4294 CC->room.QRname, anonymous, format_type,
4295 newusername, newuseremail, subject,
4296 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4299 /* Put together one big recipients struct containing to/cc/bcc all in
4300 * one. This is for the envelope.
4302 char *all_recps = malloc(SIZ * 3);
4303 strcpy(all_recps, recp);
4304 if (!IsEmptyStr(cc)) {
4305 if (!IsEmptyStr(all_recps)) {
4306 strcat(all_recps, ",");
4308 strcat(all_recps, cc);
4310 if (!IsEmptyStr(bcc)) {
4311 if (!IsEmptyStr(all_recps)) {
4312 strcat(all_recps, ",");
4314 strcat(all_recps, bcc);
4316 if (!IsEmptyStr(all_recps)) {
4317 valid = validate_recipients(all_recps, NULL, 0);
4325 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4328 cprintf("%ld\n", msgnum);
4330 cprintf("Message accepted.\n");
4333 cprintf("Internal error.\n");
4335 if (msg->cm_fields['E'] != NULL) {
4336 cprintf("%s\n", msg->cm_fields['E']);
4343 CtdlFreeMessage(msg);
4345 if (valid != NULL) {
4346 free_recipients(valid);
4354 * API function to delete messages which match a set of criteria
4355 * (returns the actual number of messages deleted)
4357 int CtdlDeleteMessages(char *room_name, /* which room */
4358 long *dmsgnums, /* array of msg numbers to be deleted */
4359 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4360 char *content_type /* or "" for any. regular expressions expected. */
4363 struct ctdlroom qrbuf;
4364 struct cdbdata *cdbfr;
4365 long *msglist = NULL;
4366 long *dellist = NULL;
4369 int num_deleted = 0;
4371 struct MetaData smi;
4374 int need_to_free_re = 0;
4376 if (content_type) if (!IsEmptyStr(content_type)) {
4377 regcomp(&re, content_type, 0);
4378 need_to_free_re = 1;
4380 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4381 room_name, num_dmsgnums, content_type);
4383 /* get room record, obtaining a lock... */
4384 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4385 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4387 if (need_to_free_re) regfree(&re);
4388 return (0); /* room not found */
4390 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4392 if (cdbfr != NULL) {
4393 dellist = malloc(cdbfr->len);
4394 msglist = (long *) cdbfr->ptr;
4395 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4396 num_msgs = cdbfr->len / sizeof(long);
4400 for (i = 0; i < num_msgs; ++i) {
4403 /* Set/clear a bit for each criterion */
4405 /* 0 messages in the list or a null list means that we are
4406 * interested in deleting any messages which meet the other criteria.
4408 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4409 delete_this |= 0x01;
4412 for (j=0; j<num_dmsgnums; ++j) {
4413 if (msglist[i] == dmsgnums[j]) {
4414 delete_this |= 0x01;
4419 if (IsEmptyStr(content_type)) {
4420 delete_this |= 0x02;
4422 GetMetaData(&smi, msglist[i]);
4423 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4424 delete_this |= 0x02;
4428 /* Delete message only if all bits are set */
4429 if (delete_this == 0x03) {
4430 dellist[num_deleted++] = msglist[i];
4435 num_msgs = sort_msglist(msglist, num_msgs);
4436 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4437 msglist, (int)(num_msgs * sizeof(long)));
4440 qrbuf.QRhighest = msglist[num_msgs - 1];
4442 qrbuf.QRhighest = 0;
4444 CtdlPutRoomLock(&qrbuf);
4446 /* Go through the messages we pulled out of the index, and decrement
4447 * their reference counts by 1. If this is the only room the message
4448 * was in, the reference count will reach zero and the message will
4449 * automatically be deleted from the database. We do this in a
4450 * separate pass because there might be plug-in hooks getting called,
4451 * and we don't want that happening during an S_ROOMS critical
4454 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4455 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4456 AdjRefCount(dellist[i], -1);
4459 /* Now free the memory we used, and go away. */
4460 if (msglist != NULL) free(msglist);
4461 if (dellist != NULL) free(dellist);
4462 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4463 if (need_to_free_re) regfree(&re);
4464 return (num_deleted);
4470 * Check whether the current user has permission to delete messages from
4471 * the current room (returns 1 for yes, 0 for no)
4473 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4475 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4476 if (ra & UA_DELETEALLOWED) return(1);
4484 * Delete message from current room
4486 void cmd_dele(char *args)
4495 extract_token(msgset, args, 0, '|', sizeof msgset);
4496 num_msgs = num_tokens(msgset, ',');
4498 cprintf("%d Nothing to do.\n", CIT_OK);
4502 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4503 cprintf("%d Higher access required.\n",
4504 ERROR + HIGHER_ACCESS_REQUIRED);
4509 * Build our message set to be moved/copied
4511 msgs = malloc(num_msgs * sizeof(long));
4512 for (i=0; i<num_msgs; ++i) {
4513 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4514 msgs[i] = atol(msgtok);
4517 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4521 cprintf("%d %d message%s deleted.\n", CIT_OK,
4522 num_deleted, ((num_deleted != 1) ? "s" : ""));
4524 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4532 * move or copy a message to another room
4534 void cmd_move(char *args)
4541 char targ[ROOMNAMELEN];
4542 struct ctdlroom qtemp;
4549 extract_token(msgset, args, 0, '|', sizeof msgset);
4550 num_msgs = num_tokens(msgset, ',');
4552 cprintf("%d Nothing to do.\n", CIT_OK);
4556 extract_token(targ, args, 1, '|', sizeof targ);
4557 convert_room_name_macros(targ, sizeof targ);
4558 targ[ROOMNAMELEN - 1] = 0;
4559 is_copy = extract_int(args, 2);
4561 if (CtdlGetRoom(&qtemp, targ) != 0) {
4562 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4566 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4567 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4571 CtdlGetUser(&CC->user, CC->curr_user);
4572 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4574 /* Check for permission to perform this operation.
4575 * Remember: "CC->room" is source, "qtemp" is target.
4579 /* Aides can move/copy */
4580 if (CC->user.axlevel >= AxAideU) permit = 1;
4582 /* Room aides can move/copy */
4583 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4585 /* Permit move/copy from personal rooms */
4586 if ((CC->room.QRflags & QR_MAILBOX)
4587 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4589 /* Permit only copy from public to personal room */
4591 && (!(CC->room.QRflags & QR_MAILBOX))
4592 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4594 /* Permit message removal from collaborative delete rooms */
4595 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4597 /* Users allowed to post into the target room may move into it too. */
4598 if ((CC->room.QRflags & QR_MAILBOX) &&
4599 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4601 /* User must have access to target room */
4602 if (!(ra & UA_KNOWN)) permit = 0;
4605 cprintf("%d Higher access required.\n",
4606 ERROR + HIGHER_ACCESS_REQUIRED);
4611 * Build our message set to be moved/copied
4613 msgs = malloc(num_msgs * sizeof(long));
4614 for (i=0; i<num_msgs; ++i) {
4615 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4616 msgs[i] = atol(msgtok);
4622 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4624 cprintf("%d Cannot store message(s) in %s: error %d\n",
4630 /* Now delete the message from the source room,
4631 * if this is a 'move' rather than a 'copy' operation.
4634 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4638 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4644 * GetMetaData() - Get the supplementary record for a message
4646 void GetMetaData(struct MetaData *smibuf, long msgnum)
4649 struct cdbdata *cdbsmi;
4652 memset(smibuf, 0, sizeof(struct MetaData));
4653 smibuf->meta_msgnum = msgnum;
4654 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4656 /* Use the negative of the message number for its supp record index */
4657 TheIndex = (0L - msgnum);
4659 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4660 if (cdbsmi == NULL) {
4661 return; /* record not found; go with defaults */
4663 memcpy(smibuf, cdbsmi->ptr,
4664 ((cdbsmi->len > sizeof(struct MetaData)) ?
4665 sizeof(struct MetaData) : cdbsmi->len));
4672 * PutMetaData() - (re)write supplementary record for a message
4674 void PutMetaData(struct MetaData *smibuf)
4678 /* Use the negative of the message number for the metadata db index */
4679 TheIndex = (0L - smibuf->meta_msgnum);
4681 cdb_store(CDB_MSGMAIN,
4682 &TheIndex, (int)sizeof(long),
4683 smibuf, (int)sizeof(struct MetaData));
4688 * AdjRefCount - submit an adjustment to the reference count for a message.
4689 * (These are just queued -- we actually process them later.)
4691 void AdjRefCount(long msgnum, int incr)
4693 struct arcq new_arcq;
4696 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4700 begin_critical_section(S_SUPPMSGMAIN);
4701 if (arcfp == NULL) {
4702 arcfp = fopen(file_arcq, "ab+");
4704 end_critical_section(S_SUPPMSGMAIN);
4706 /* msgnum < 0 means that we're trying to close the file */
4708 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4709 begin_critical_section(S_SUPPMSGMAIN);
4710 if (arcfp != NULL) {
4714 end_critical_section(S_SUPPMSGMAIN);
4719 * If we can't open the queue, perform the operation synchronously.
4721 if (arcfp == NULL) {
4722 TDAP_AdjRefCount(msgnum, incr);
4726 new_arcq.arcq_msgnum = msgnum;
4727 new_arcq.arcq_delta = incr;
4728 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4736 * TDAP_ProcessAdjRefCountQueue()
4738 * Process the queue of message count adjustments that was created by calls
4739 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4740 * for each one. This should be an "off hours" operation.
4742 int TDAP_ProcessAdjRefCountQueue(void)
4744 char file_arcq_temp[PATH_MAX];
4747 struct arcq arcq_rec;
4748 int num_records_processed = 0;
4750 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4752 begin_critical_section(S_SUPPMSGMAIN);
4753 if (arcfp != NULL) {
4758 r = link(file_arcq, file_arcq_temp);
4760 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4761 end_critical_section(S_SUPPMSGMAIN);
4762 return(num_records_processed);
4766 end_critical_section(S_SUPPMSGMAIN);
4768 fp = fopen(file_arcq_temp, "rb");
4770 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4771 return(num_records_processed);
4774 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4775 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4776 ++num_records_processed;
4780 r = unlink(file_arcq_temp);
4782 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4785 return(num_records_processed);
4791 * TDAP_AdjRefCount - adjust the reference count for a message.
4792 * This one does it "for real" because it's called by
4793 * the autopurger function that processes the queue
4794 * created by AdjRefCount(). If a message's reference
4795 * count becomes zero, we also delete the message from
4796 * disk and de-index it.
4798 void TDAP_AdjRefCount(long msgnum, int incr)
4801 struct MetaData smi;
4804 /* This is a *tight* critical section; please keep it that way, as
4805 * it may get called while nested in other critical sections.
4806 * Complicating this any further will surely cause deadlock!
4808 begin_critical_section(S_SUPPMSGMAIN);
4809 GetMetaData(&smi, msgnum);
4810 smi.meta_refcount += incr;
4812 end_critical_section(S_SUPPMSGMAIN);
4813 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4814 msgnum, incr, smi.meta_refcount
4817 /* If the reference count is now zero, delete the message
4818 * (and its supplementary record as well).
4820 if (smi.meta_refcount == 0) {
4821 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4823 /* Call delete hooks with NULL room to show it has gone altogether */
4824 PerformDeleteHooks(NULL, msgnum);
4826 /* Remove from message base */
4828 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4829 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4831 /* Remove metadata record */
4832 delnum = (0L - msgnum);
4833 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4839 * Write a generic object to this room
4841 * Note: this could be much more efficient. Right now we use two temporary
4842 * files, and still pull the message into memory as with all others.
4844 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4845 char *content_type, /* MIME type of this object */
4846 char *raw_message, /* Data to be written */
4847 off_t raw_length, /* Size of raw_message */
4848 struct ctdluser *is_mailbox, /* Mailbox room? */
4849 int is_binary, /* Is encoding necessary? */
4850 int is_unique, /* Del others of this type? */
4851 unsigned int flags /* Internal save flags */
4855 struct ctdlroom qrbuf;
4856 char roomname[ROOMNAMELEN];
4857 struct CtdlMessage *msg;
4858 char *encoded_message = NULL;
4860 if (is_mailbox != NULL) {
4861 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4864 safestrncpy(roomname, req_room, sizeof(roomname));
4867 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4870 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4873 encoded_message = malloc((size_t)(raw_length + 4096));
4876 sprintf(encoded_message, "Content-type: %s\n", content_type);
4879 sprintf(&encoded_message[strlen(encoded_message)],
4880 "Content-transfer-encoding: base64\n\n"
4884 sprintf(&encoded_message[strlen(encoded_message)],
4885 "Content-transfer-encoding: 7bit\n\n"
4891 &encoded_message[strlen(encoded_message)],
4899 &encoded_message[strlen(encoded_message)],
4905 syslog(LOG_DEBUG, "Allocating\n");
4906 msg = malloc(sizeof(struct CtdlMessage));
4907 memset(msg, 0, sizeof(struct CtdlMessage));
4908 msg->cm_magic = CTDLMESSAGE_MAGIC;
4909 msg->cm_anon_type = MES_NORMAL;
4910 msg->cm_format_type = 4;
4911 msg->cm_fields['A'] = strdup(CC->user.fullname);
4912 msg->cm_fields['O'] = strdup(req_room);
4913 msg->cm_fields['N'] = strdup(config.c_nodename);
4914 msg->cm_fields['H'] = strdup(config.c_humannode);
4915 msg->cm_flags = flags;
4917 msg->cm_fields['M'] = encoded_message;
4919 /* Create the requested room if we have to. */
4920 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4921 CtdlCreateRoom(roomname,
4922 ( (is_mailbox != NULL) ? 5 : 3 ),
4923 "", 0, 1, 0, VIEW_BBS);
4925 /* If the caller specified this object as unique, delete all
4926 * other objects of this type that are currently in the room.
4929 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
4930 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4933 /* Now write the data */
4934 CtdlSubmitMsg(msg, NULL, roomname, 0);
4935 CtdlFreeMessage(msg);
4943 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4944 config_msgnum = msgnum;
4948 char *CtdlGetSysConfig(char *sysconfname) {
4949 char hold_rm[ROOMNAMELEN];
4952 struct CtdlMessage *msg;
4955 strcpy(hold_rm, CC->room.QRname);
4956 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4957 CtdlGetRoom(&CC->room, hold_rm);
4962 /* We want the last (and probably only) config in this room */
4963 begin_critical_section(S_CONFIG);
4964 config_msgnum = (-1L);
4965 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4966 CtdlGetSysConfigBackend, NULL);
4967 msgnum = config_msgnum;
4968 end_critical_section(S_CONFIG);
4974 msg = CtdlFetchMessage(msgnum, 1);
4976 conf = strdup(msg->cm_fields['M']);
4977 CtdlFreeMessage(msg);
4984 CtdlGetRoom(&CC->room, hold_rm);
4986 if (conf != NULL) do {
4987 extract_token(buf, conf, 0, '\n', sizeof buf);
4988 strcpy(conf, &conf[strlen(buf)+1]);
4989 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4995 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4996 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5001 * Determine whether a given Internet address belongs to the current user
5003 int CtdlIsMe(char *addr, int addr_buf_len)
5005 struct recptypes *recp;
5008 recp = validate_recipients(addr, NULL, 0);
5009 if (recp == NULL) return(0);
5011 if (recp->num_local == 0) {
5012 free_recipients(recp);
5016 for (i=0; i<recp->num_local; ++i) {
5017 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5018 if (!strcasecmp(addr, CC->user.fullname)) {
5019 free_recipients(recp);
5024 free_recipients(recp);
5030 * Citadel protocol command to do the same
5032 void cmd_isme(char *argbuf) {
5035 if (CtdlAccessCheck(ac_logged_in)) return;
5036 extract_token(addr, argbuf, 0, '|', sizeof addr);
5038 if (CtdlIsMe(addr, sizeof addr)) {
5039 cprintf("%d %s\n", CIT_OK, addr);
5042 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5048 /*****************************************************************************/
5049 /* MODULE INITIALIZATION STUFF */
5050 /*****************************************************************************/
5052 CTDL_MODULE_INIT(msgbase)
5055 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5056 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5057 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5058 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5059 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5060 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5061 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5062 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5063 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5064 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5065 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5066 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5069 /* return our Subversion id for the Log */