2 * Implements the message store.
4 * Copyright (c) 1987-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #if TIME_WITH_SYS_TIME
28 # include <sys/time.h>
32 # include <sys/time.h>
45 #include <sys/types.h>
47 #include <libcitadel.h>
50 #include "serv_extensions.h"
54 #include "sysdep_decls.h"
55 #include "citserver.h"
62 #include "internet_addressing.h"
63 #include "euidindex.h"
64 #include "journaling.h"
65 #include "citadel_dirs.h"
66 #include "clientsocket.h"
67 #include "serv_network.h"
70 #include "ctdl_module.h"
73 struct addresses_to_be_filed *atbf = NULL;
75 /* This temp file holds the queue of operations for AdjRefCount() */
76 static FILE *arcfp = NULL;
79 * This really belongs in serv_network.c, but I don't know how to export
80 * symbols between modules.
82 struct FilterList *filterlist = NULL;
86 * These are the four-character field headers we use when outputting
87 * messages in Citadel format (as opposed to RFC822 format).
90 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
91 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
92 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
93 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
96 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
126 * This function is self explanatory.
127 * (What can I say, I'm in a weird mood today...)
129 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
133 for (i = 0; i < strlen(name); ++i) {
134 if (name[i] == '@') {
135 while (isspace(name[i - 1]) && i > 0) {
136 strcpy(&name[i - 1], &name[i]);
139 while (isspace(name[i + 1])) {
140 strcpy(&name[i + 1], &name[i + 2]);
148 * Aliasing for network mail.
149 * (Error messages have been commented out, because this is a server.)
151 int alias(char *name)
152 { /* process alias and routing info for mail */
155 char aaa[SIZ], bbb[SIZ];
156 char *ignetcfg = NULL;
157 char *ignetmap = NULL;
163 char original_name[256];
164 safestrncpy(original_name, name, sizeof original_name);
167 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
168 stripallbut(name, '<', '>');
170 fp = fopen(file_mail_aliases, "r");
172 fp = fopen("/dev/null", "r");
179 while (fgets(aaa, sizeof aaa, fp) != NULL) {
180 while (isspace(name[0]))
181 strcpy(name, &name[1]);
182 aaa[strlen(aaa) - 1] = 0;
184 for (a = 0; a < strlen(aaa); ++a) {
186 strcpy(bbb, &aaa[a + 1]);
190 if (!strcasecmp(name, aaa))
195 /* Hit the Global Address Book */
196 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
200 if (strcasecmp(original_name, name)) {
201 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
204 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
205 for (a=0; a<strlen(name); ++a) {
206 if (name[a] == '@') {
207 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
209 syslog(LOG_INFO, "Changed to <%s>\n", name);
214 /* determine local or remote type, see citadel.h */
215 at = haschar(name, '@');
216 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
217 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
218 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
220 /* figure out the delivery mode */
221 extract_token(node, name, 1, '@', sizeof node);
223 /* If there are one or more dots in the nodename, we assume that it
224 * is an FQDN and will attempt SMTP delivery to the Internet.
226 if (haschar(node, '.') > 0) {
227 return(MES_INTERNET);
230 /* Otherwise we look in the IGnet maps for a valid Citadel node.
231 * Try directly-connected nodes first...
233 ignetcfg = CtdlGetSysConfig(IGNETCFG);
234 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
235 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
236 extract_token(testnode, buf, 0, '|', sizeof testnode);
237 if (!strcasecmp(node, testnode)) {
245 * Then try nodes that are two or more hops away.
247 ignetmap = CtdlGetSysConfig(IGNETMAP);
248 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
249 extract_token(buf, ignetmap, i, '\n', sizeof buf);
250 extract_token(testnode, buf, 0, '|', sizeof testnode);
251 if (!strcasecmp(node, testnode)) {
258 /* If we get to this point it's an invalid node name */
264 * Back end for the MSGS command: output message number only.
266 void simple_listing(long msgnum, void *userdata)
268 cprintf("%ld\n", msgnum);
274 * Back end for the MSGS command: output header summary.
276 void headers_listing(long msgnum, void *userdata)
278 struct CtdlMessage *msg;
280 msg = CtdlFetchMessage(msgnum, 0);
282 cprintf("%ld|0|||||\n", msgnum);
286 cprintf("%ld|%s|%s|%s|%s|%s|\n",
288 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
289 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
290 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
291 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
292 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
294 CtdlFreeMessage(msg);
298 * Back end for the MSGS command: output EUID header.
300 void headers_euid(long msgnum, void *userdata)
302 struct CtdlMessage *msg;
304 msg = CtdlFetchMessage(msgnum, 0);
306 cprintf("%ld||\n", msgnum);
310 cprintf("%ld|%s|%s\n",
312 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
313 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
314 CtdlFreeMessage(msg);
321 /* Determine if a given message matches the fields in a message template.
322 * Return 0 for a successful match.
324 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
327 /* If there aren't any fields in the template, all messages will
330 if (template == NULL) return(0);
332 /* Null messages are bogus. */
333 if (msg == NULL) return(1);
335 for (i='A'; i<='Z'; ++i) {
336 if (template->cm_fields[i] != NULL) {
337 if (msg->cm_fields[i] == NULL) {
338 /* Considered equal if temmplate is empty string */
339 if (IsEmptyStr(template->cm_fields[i])) continue;
342 if (strcasecmp(msg->cm_fields[i],
343 template->cm_fields[i])) return 1;
347 /* All compares succeeded: we have a match! */
354 * Retrieve the "seen" message list for the current room.
356 void CtdlGetSeen(char *buf, int which_set) {
359 /* Learn about the user and room in question */
360 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
362 if (which_set == ctdlsetseen_seen)
363 safestrncpy(buf, vbuf.v_seen, SIZ);
364 if (which_set == ctdlsetseen_answered)
365 safestrncpy(buf, vbuf.v_answered, SIZ);
371 * Manipulate the "seen msgs" string (or other message set strings)
373 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
374 int target_setting, int which_set,
375 struct ctdluser *which_user, struct ctdlroom *which_room) {
376 struct cdbdata *cdbfr;
390 char *is_set; /* actually an array of booleans */
392 /* Don't bother doing *anything* if we were passed a list of zero messages */
393 if (num_target_msgnums < 1) {
397 /* If no room was specified, we go with the current room. */
399 which_room = &CC->room;
402 /* If no user was specified, we go with the current user. */
404 which_user = &CC->user;
407 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
408 num_target_msgnums, target_msgnums[0],
409 (target_setting ? "SET" : "CLEAR"),
413 /* Learn about the user and room in question */
414 CtdlGetRelationship(&vbuf, which_user, which_room);
416 /* Load the message list */
417 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
419 msglist = (long *) cdbfr->ptr;
420 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
421 num_msgs = cdbfr->len / sizeof(long);
424 return; /* No messages at all? No further action. */
427 is_set = malloc(num_msgs * sizeof(char));
428 memset(is_set, 0, (num_msgs * sizeof(char)) );
430 /* Decide which message set we're manipulating */
432 case ctdlsetseen_seen:
433 vset = NewStrBufPlain(vbuf.v_seen, -1);
435 case ctdlsetseen_answered:
436 vset = NewStrBufPlain(vbuf.v_answered, -1);
443 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
444 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
445 for (i=0; i<num_msgs; ++i) {
446 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
448 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
449 for (k=0; k<num_target_msgnums; ++k) {
450 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
454 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
456 /* Translate the existing sequence set into an array of booleans */
457 setstr = NewStrBuf();
461 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
463 StrBufExtract_token(lostr, setstr, 0, ':');
464 if (StrBufNum_tokens(setstr, ':') >= 2) {
465 StrBufExtract_token(histr, setstr, 1, ':');
469 StrBufAppendBuf(histr, lostr, 0);
472 if (!strcmp(ChrPtr(histr), "*")) {
479 for (i = 0; i < num_msgs; ++i) {
480 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
490 /* Now translate the array of booleans back into a sequence set */
496 for (i=0; i<num_msgs; ++i) {
500 for (k=0; k<num_target_msgnums; ++k) {
501 if (msglist[i] == target_msgnums[k]) {
502 is_seen = target_setting;
506 if ((was_seen == 0) && (is_seen == 1)) {
509 else if ((was_seen == 1) && (is_seen == 0)) {
512 if (StrLength(vset) > 0) {
513 StrBufAppendBufPlain(vset, HKEY(","), 0);
516 StrBufAppendPrintf(vset, "%ld", hi);
519 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
523 if ((is_seen) && (i == num_msgs - 1)) {
524 if (StrLength(vset) > 0) {
525 StrBufAppendBufPlain(vset, HKEY(","), 0);
527 if ((i==0) || (was_seen == 0)) {
528 StrBufAppendPrintf(vset, "%ld", msglist[i]);
531 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
539 * We will have to stuff this string back into a 4096 byte buffer, so if it's
540 * larger than that now, truncate it by removing tokens from the beginning.
541 * The limit of 100 iterations is there to prevent an infinite loop in case
542 * something unexpected happens.
544 int number_of_truncations = 0;
545 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
546 StrBufRemove_token(vset, 0, ',');
547 ++number_of_truncations;
551 * If we're truncating the sequence set of messages marked with the 'seen' flag,
552 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
553 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
555 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
557 first_tok = NewStrBuf();
558 StrBufExtract_token(first_tok, vset, 0, ',');
559 StrBufRemove_token(vset, 0, ',');
561 if (StrBufNum_tokens(first_tok, ':') > 1) {
562 StrBufRemove_token(first_tok, 0, ':');
566 new_set = NewStrBuf();
567 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
568 StrBufAppendBuf(new_set, first_tok, 0);
569 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
570 StrBufAppendBuf(new_set, vset, 0);
573 FreeStrBuf(&first_tok);
577 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
579 /* Decide which message set we're manipulating */
581 case ctdlsetseen_seen:
582 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
584 case ctdlsetseen_answered:
585 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
591 CtdlSetRelationship(&vbuf, which_user, which_room);
597 * API function to perform an operation for each qualifying message in the
598 * current room. (Returns the number of messages processed.)
600 int CtdlForEachMessage(int mode, long ref, char *search_string,
602 struct CtdlMessage *compare,
603 ForEachMsgCallback CallBack,
609 struct cdbdata *cdbfr;
610 long *msglist = NULL;
612 int num_processed = 0;
615 struct CtdlMessage *msg = NULL;
618 int printed_lastold = 0;
619 int num_search_msgs = 0;
620 long *search_msgs = NULL;
622 int need_to_free_re = 0;
625 if ((content_type) && (!IsEmptyStr(content_type))) {
626 regcomp(&re, content_type, 0);
630 /* Learn about the user and room in question */
631 CtdlGetUser(&CC->user, CC->curr_user);
632 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
634 /* Load the message list */
635 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
637 if (need_to_free_re) regfree(&re);
638 return 0; /* No messages at all? No further action. */
641 msglist = (long *) cdbfr->ptr;
642 num_msgs = cdbfr->len / sizeof(long);
644 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
645 cdb_free(cdbfr); /* we own this memory now */
648 * We cache the most recent msglist in order to do security checks later
650 if (CC->client_socket > 0) {
651 if (CC->cached_msglist != NULL) {
652 free(CC->cached_msglist);
655 CC->cached_msglist = msglist;
656 CC->cached_num_msgs = num_msgs;
657 syslog(LOG_DEBUG, "\033[34m RELOAD \033[0m\n");
661 * Now begin the traversal.
663 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
665 /* If the caller is looking for a specific MIME type, filter
666 * out all messages which are not of the type requested.
668 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
670 /* This call to GetMetaData() sits inside this loop
671 * so that we only do the extra database read per msg
672 * if we need to. Doing the extra read all the time
673 * really kills the server. If we ever need to use
674 * metadata for another search criterion, we need to
675 * move the read somewhere else -- but still be smart
676 * enough to only do the read if the caller has
677 * specified something that will need it.
679 GetMetaData(&smi, msglist[a]);
681 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
682 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
688 num_msgs = sort_msglist(msglist, num_msgs);
690 /* If a template was supplied, filter out the messages which
691 * don't match. (This could induce some delays!)
694 if (compare != NULL) {
695 for (a = 0; a < num_msgs; ++a) {
696 msg = CtdlFetchMessage(msglist[a], 1);
698 if (CtdlMsgCmp(msg, compare)) {
701 CtdlFreeMessage(msg);
707 /* If a search string was specified, get a message list from
708 * the full text index and remove messages which aren't on both
712 * Since the lists are sorted and strictly ascending, and the
713 * output list is guaranteed to be shorter than or equal to the
714 * input list, we overwrite the bottom of the input list. This
715 * eliminates the need to memmove big chunks of the list over and
718 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
720 /* Call search module via hook mechanism.
721 * NULL means use any search function available.
722 * otherwise replace with a char * to name of search routine
724 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
726 if (num_search_msgs > 0) {
730 orig_num_msgs = num_msgs;
732 for (i=0; i<orig_num_msgs; ++i) {
733 for (j=0; j<num_search_msgs; ++j) {
734 if (msglist[i] == search_msgs[j]) {
735 msglist[num_msgs++] = msglist[i];
741 num_msgs = 0; /* No messages qualify */
743 if (search_msgs != NULL) free(search_msgs);
745 /* Now that we've purged messages which don't contain the search
746 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
753 * Now iterate through the message list, according to the
754 * criteria supplied by the caller.
757 for (a = 0; a < num_msgs; ++a) {
758 thismsg = msglist[a];
759 if (mode == MSGS_ALL) {
763 is_seen = is_msg_in_sequence_set(
764 vbuf.v_seen, thismsg);
765 if (is_seen) lastold = thismsg;
771 || ((mode == MSGS_OLD) && (is_seen))
772 || ((mode == MSGS_NEW) && (!is_seen))
773 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
774 || ((mode == MSGS_FIRST) && (a < ref))
775 || ((mode == MSGS_GT) && (thismsg > ref))
776 || ((mode == MSGS_LT) && (thismsg < ref))
777 || ((mode == MSGS_EQ) && (thismsg == ref))
780 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
782 CallBack(lastold, userdata);
786 if (CallBack) CallBack(thismsg, userdata);
790 if (need_to_free_re) regfree(&re);
791 if (CC->client_socket <= 0) free(msglist);
792 return num_processed;
798 * cmd_msgs() - get list of message #'s in this room
799 * implements the MSGS server command using CtdlForEachMessage()
801 void cmd_msgs(char *cmdbuf)
810 int with_template = 0;
811 struct CtdlMessage *template = NULL;
812 char search_string[1024];
813 ForEachMsgCallback CallBack;
815 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
817 extract_token(which, cmdbuf, 0, '|', sizeof which);
818 cm_ref = extract_int(cmdbuf, 1);
819 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
820 with_template = extract_int(cmdbuf, 2);
821 switch (extract_int(cmdbuf, 3))
825 CallBack = simple_listing;
828 CallBack = headers_listing;
831 CallBack = headers_euid;
836 if (!strncasecmp(which, "OLD", 3))
838 else if (!strncasecmp(which, "NEW", 3))
840 else if (!strncasecmp(which, "FIRST", 5))
842 else if (!strncasecmp(which, "LAST", 4))
844 else if (!strncasecmp(which, "GT", 2))
846 else if (!strncasecmp(which, "LT", 2))
848 else if (!strncasecmp(which, "SEARCH", 6))
853 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
854 cprintf("%d Full text index is not enabled on this server.\n",
855 ERROR + CMD_NOT_SUPPORTED);
861 cprintf("%d Send template then receive message list\n",
863 template = (struct CtdlMessage *)
864 malloc(sizeof(struct CtdlMessage));
865 memset(template, 0, sizeof(struct CtdlMessage));
866 template->cm_magic = CTDLMESSAGE_MAGIC;
867 template->cm_anon_type = MES_NORMAL;
869 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
870 extract_token(tfield, buf, 0, '|', sizeof tfield);
871 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
872 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
873 if (!strcasecmp(tfield, msgkeys[i])) {
874 template->cm_fields[i] =
882 cprintf("%d \n", LISTING_FOLLOWS);
885 CtdlForEachMessage(mode,
886 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
887 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
892 if (template != NULL) CtdlFreeMessage(template);
900 * help_subst() - support routine for help file viewer
902 void help_subst(char *strbuf, char *source, char *dest)
907 while (p = pattern2(strbuf, source), (p >= 0)) {
908 strcpy(workbuf, &strbuf[p + strlen(source)]);
909 strcpy(&strbuf[p], dest);
910 strcat(strbuf, workbuf);
915 void do_help_subst(char *buffer)
919 help_subst(buffer, "^nodename", config.c_nodename);
920 help_subst(buffer, "^humannode", config.c_humannode);
921 help_subst(buffer, "^fqdn", config.c_fqdn);
922 help_subst(buffer, "^username", CC->user.fullname);
923 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
924 help_subst(buffer, "^usernum", buf2);
925 help_subst(buffer, "^sysadm", config.c_sysadm);
926 help_subst(buffer, "^variantname", CITADEL);
927 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
928 help_subst(buffer, "^maxsessions", buf2);
929 help_subst(buffer, "^bbsdir", ctdl_message_dir);
935 * memfmout() - Citadel text formatter and paginator.
936 * Although the original purpose of this routine was to format
937 * text to the reader's screen width, all we're really using it
938 * for here is to format text out to 80 columns before sending it
939 * to the client. The client software may reformat it again.
942 char *mptr, /* where are we going to get our text from? */
943 const char *nl /* string to terminate lines with */
946 unsigned char ch = 0;
953 while (ch=*(mptr++), ch != 0) {
956 client_write(outbuf, len);
958 client_write(nl, nllen);
961 else if (ch == '\r') {
962 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
964 else if (isspace(ch)) {
965 if (column > 72) { /* Beyond 72 columns, break on the next space */
966 client_write(outbuf, len);
968 client_write(nl, nllen);
979 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
980 client_write(outbuf, len);
982 client_write(nl, nllen);
988 client_write(outbuf, len);
990 client_write(nl, nllen);
998 * Callback function for mime parser that simply lists the part
1000 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1001 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1002 char *cbid, void *cbuserdata)
1006 ma = (struct ma_info *)cbuserdata;
1007 if (ma->is_ma == 0) {
1008 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1021 * Callback function for multipart prefix
1023 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1024 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1025 char *cbid, void *cbuserdata)
1029 ma = (struct ma_info *)cbuserdata;
1030 if (!strcasecmp(cbtype, "multipart/alternative")) {
1034 if (ma->is_ma == 0) {
1035 cprintf("pref=%s|%s\n", partnum, cbtype);
1040 * Callback function for multipart sufffix
1042 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1043 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1044 char *cbid, void *cbuserdata)
1048 ma = (struct ma_info *)cbuserdata;
1049 if (ma->is_ma == 0) {
1050 cprintf("suff=%s|%s\n", partnum, cbtype);
1052 if (!strcasecmp(cbtype, "multipart/alternative")) {
1059 * Callback function for mime parser that opens a section for downloading
1061 void mime_download(char *name, char *filename, char *partnum, char *disp,
1062 void *content, char *cbtype, char *cbcharset, size_t length,
1063 char *encoding, char *cbid, void *cbuserdata)
1067 /* Silently go away if there's already a download open. */
1068 if (CC->download_fp != NULL)
1072 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1073 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1075 CC->download_fp = tmpfile();
1076 if (CC->download_fp == NULL)
1079 rv = fwrite(content, length, 1, CC->download_fp);
1080 fflush(CC->download_fp);
1081 rewind(CC->download_fp);
1083 OpenCmdResult(filename, cbtype);
1090 * Callback function for mime parser that outputs a section all at once.
1091 * We can specify the desired section by part number *or* content-id.
1093 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1094 void *content, char *cbtype, char *cbcharset, size_t length,
1095 char *encoding, char *cbid, void *cbuserdata)
1097 int *found_it = (int *)cbuserdata;
1100 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1101 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1104 cprintf("%d %d|-1|%s|%s|%s\n",
1111 client_write(content, length);
1117 * Load a message from disk into memory.
1118 * This is used by CtdlOutputMsg() and other fetch functions.
1120 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1121 * using the CtdlMessageFree() function.
1123 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1125 struct cdbdata *dmsgtext;
1126 struct CtdlMessage *ret = NULL;
1130 cit_uint8_t field_header;
1132 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1133 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1134 if (dmsgtext == NULL) {
1137 mptr = dmsgtext->ptr;
1138 upper_bound = mptr + dmsgtext->len;
1140 /* Parse the three bytes that begin EVERY message on disk.
1141 * The first is always 0xFF, the on-disk magic number.
1142 * The second is the anonymous/public type byte.
1143 * The third is the format type byte (vari, fixed, or MIME).
1147 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1151 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1152 memset(ret, 0, sizeof(struct CtdlMessage));
1154 ret->cm_magic = CTDLMESSAGE_MAGIC;
1155 ret->cm_anon_type = *mptr++; /* Anon type byte */
1156 ret->cm_format_type = *mptr++; /* Format type byte */
1159 * The rest is zero or more arbitrary fields. Load them in.
1160 * We're done when we encounter either a zero-length field or
1161 * have just processed the 'M' (message text) field.
1164 if (mptr >= upper_bound) {
1167 field_header = *mptr++;
1168 ret->cm_fields[field_header] = strdup(mptr);
1170 while (*mptr++ != 0); /* advance to next field */
1172 } while ((mptr < upper_bound) && (field_header != 'M'));
1176 /* Always make sure there's something in the msg text field. If
1177 * it's NULL, the message text is most likely stored separately,
1178 * so go ahead and fetch that. Failing that, just set a dummy
1179 * body so other code doesn't barf.
1181 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1182 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1183 if (dmsgtext != NULL) {
1184 ret->cm_fields['M'] = dmsgtext->ptr;
1185 dmsgtext->ptr = NULL;
1189 if (ret->cm_fields['M'] == NULL) {
1190 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1193 /* Perform "before read" hooks (aborting if any return nonzero) */
1194 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1195 CtdlFreeMessage(ret);
1204 * Returns 1 if the supplied pointer points to a valid Citadel message.
1205 * If the pointer is NULL or the magic number check fails, returns 0.
1207 int is_valid_message(struct CtdlMessage *msg) {
1210 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1211 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1219 * 'Destructor' for struct CtdlMessage
1221 void CtdlFreeMessage(struct CtdlMessage *msg)
1225 if (is_valid_message(msg) == 0)
1227 if (msg != NULL) free (msg);
1231 for (i = 0; i < 256; ++i)
1232 if (msg->cm_fields[i] != NULL) {
1233 free(msg->cm_fields[i]);
1236 msg->cm_magic = 0; /* just in case */
1242 * Pre callback function for multipart/alternative
1244 * NOTE: this differs from the standard behavior for a reason. Normally when
1245 * displaying multipart/alternative you want to show the _last_ usable
1246 * format in the message. Here we show the _first_ one, because it's
1247 * usually text/plain. Since this set of functions is designed for text
1248 * output to non-MIME-aware clients, this is the desired behavior.
1251 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1252 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1253 char *cbid, void *cbuserdata)
1257 ma = (struct ma_info *)cbuserdata;
1258 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1259 if (!strcasecmp(cbtype, "multipart/alternative")) {
1263 if (!strcasecmp(cbtype, "message/rfc822")) {
1269 * Post callback function for multipart/alternative
1271 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1272 void *content, char *cbtype, char *cbcharset, size_t length,
1273 char *encoding, char *cbid, void *cbuserdata)
1277 ma = (struct ma_info *)cbuserdata;
1278 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1279 if (!strcasecmp(cbtype, "multipart/alternative")) {
1283 if (!strcasecmp(cbtype, "message/rfc822")) {
1289 * Inline callback function for mime parser that wants to display text
1291 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1292 void *content, char *cbtype, char *cbcharset, size_t length,
1293 char *encoding, char *cbid, void *cbuserdata)
1300 ma = (struct ma_info *)cbuserdata;
1303 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1304 partnum, filename, cbtype, (long)length);
1307 * If we're in the middle of a multipart/alternative scope and
1308 * we've already printed another section, skip this one.
1310 if ( (ma->is_ma) && (ma->did_print) ) {
1311 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1316 if ( (!strcasecmp(cbtype, "text/plain"))
1317 || (IsEmptyStr(cbtype)) ) {
1320 client_write(wptr, length);
1321 if (wptr[length-1] != '\n') {
1328 if (!strcasecmp(cbtype, "text/html")) {
1329 ptr = html_to_ascii(content, length, 80, 0);
1331 client_write(ptr, wlen);
1332 if (ptr[wlen-1] != '\n') {
1339 if (ma->use_fo_hooks) {
1340 if (PerformFixedOutputHooks(cbtype, content, length)) {
1341 /* above function returns nonzero if it handled the part */
1346 if (strncasecmp(cbtype, "multipart/", 10)) {
1347 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1348 partnum, filename, cbtype, (long)length);
1354 * The client is elegant and sophisticated and wants to be choosy about
1355 * MIME content types, so figure out which multipart/alternative part
1356 * we're going to send.
1358 * We use a system of weights. When we find a part that matches one of the
1359 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1360 * and then set ma->chosen_pref to that MIME type's position in our preference
1361 * list. If we then hit another match, we only replace the first match if
1362 * the preference value is lower.
1364 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1365 void *content, char *cbtype, char *cbcharset, size_t length,
1366 char *encoding, char *cbid, void *cbuserdata)
1372 ma = (struct ma_info *)cbuserdata;
1374 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1375 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1376 // I don't know if there are any side effects! Please TEST TEST TEST
1377 //if (ma->is_ma > 0) {
1379 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1380 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1381 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1382 if (i < ma->chosen_pref) {
1383 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1384 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1385 ma->chosen_pref = i;
1392 * Now that we've chosen our preferred part, output it.
1394 void output_preferred(char *name,
1408 int add_newline = 0;
1411 char *decoded = NULL;
1412 size_t bytes_decoded;
1415 ma = (struct ma_info *)cbuserdata;
1417 /* This is not the MIME part you're looking for... */
1418 if (strcasecmp(partnum, ma->chosen_part)) return;
1420 /* If the content-type of this part is in our preferred formats
1421 * list, we can simply output it verbatim.
1423 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1424 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1425 if (!strcasecmp(buf, cbtype)) {
1426 /* Yeah! Go! W00t!! */
1427 if (ma->dont_decode == 0)
1428 rc = mime_decode_now (content,
1434 break; /* Give us the chance, maybe theres another one. */
1436 if (rc == 0) text_content = (char *)content;
1438 text_content = decoded;
1439 length = bytes_decoded;
1442 if (text_content[length-1] != '\n') {
1445 cprintf("Content-type: %s", cbtype);
1446 if (!IsEmptyStr(cbcharset)) {
1447 cprintf("; charset=%s", cbcharset);
1449 cprintf("\nContent-length: %d\n",
1450 (int)(length + add_newline) );
1451 if (!IsEmptyStr(encoding)) {
1452 cprintf("Content-transfer-encoding: %s\n", encoding);
1455 cprintf("Content-transfer-encoding: 7bit\n");
1457 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1459 client_write(text_content, length);
1460 if (add_newline) cprintf("\n");
1461 if (decoded != NULL) free(decoded);
1466 /* No translations required or possible: output as text/plain */
1467 cprintf("Content-type: text/plain\n\n");
1469 if (ma->dont_decode == 0)
1470 rc = mime_decode_now (content,
1476 return; /* Give us the chance, maybe theres another one. */
1478 if (rc == 0) text_content = (char *)content;
1480 text_content = decoded;
1481 length = bytes_decoded;
1484 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1485 length, encoding, cbid, cbuserdata);
1486 if (decoded != NULL) free(decoded);
1491 char desired_section[64];
1498 * Callback function for
1500 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1501 void *content, char *cbtype, char *cbcharset, size_t length,
1502 char *encoding, char *cbid, void *cbuserdata)
1504 struct encapmsg *encap;
1506 encap = (struct encapmsg *)cbuserdata;
1508 /* Only proceed if this is the desired section... */
1509 if (!strcasecmp(encap->desired_section, partnum)) {
1510 encap->msglen = length;
1511 encap->msg = malloc(length + 2);
1512 memcpy(encap->msg, content, length);
1519 * Determine whether the specified message exists in the cached_msglist
1520 * (This is a security check)
1522 int check_cached_msglist(long msgnum) {
1524 /* cases in which we skip the check */
1525 if (!CC) return om_ok; /* not a session */
1526 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1527 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1528 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1531 /* Do a binary search within the cached_msglist for the requested msgnum */
1533 int max = (CC->cached_num_msgs - 1);
1535 while (max >= min) {
1536 syslog(LOG_DEBUG, "\033[35m Checking from %d to %d \033[0m\n", min, max);
1537 int middle = min + (max-min) / 2 ;
1538 if (msgnum == CC->cached_msglist[middle]) {
1541 if (msgnum > CC->cached_msglist[middle]) {
1549 return om_access_denied;
1554 * Determine whether the currently logged in session has permission to read
1555 * messages in the current room.
1557 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1558 if ( (!(CC->logged_in))
1559 && (!(CC->internal_pgm))
1560 && (!config.c_guest_logins)
1562 return(om_not_logged_in);
1569 * Get a message off disk. (returns om_* values found in msgbase.h)
1572 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1573 int mode, /* how would you like that message? */
1574 int headers_only, /* eschew the message body? */
1575 int do_proto, /* do Citadel protocol responses? */
1576 int crlf, /* Use CRLF newlines instead of LF? */
1577 char *section, /* NULL or a message/rfc822 section */
1578 int flags /* various flags; see msgbase.h */
1580 struct CtdlMessage *TheMessage = NULL;
1581 int retcode = om_no_such_msg;
1582 struct encapmsg encap;
1585 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1587 (section ? section : "<>")
1590 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1593 if (r == om_not_logged_in) {
1594 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1597 cprintf("%d An unknown error has occurred.\n", ERROR);
1603 r = check_cached_msglist(msg_num);
1605 syslog(LOG_DEBUG, "\033[32m PASS \033[0m\n");
1608 syslog(LOG_DEBUG, "\033[31m FAIL \033[0m\n");
1610 /* FIXME after testing, this is where we deny access */
1613 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1614 * request that we don't even bother loading the body into memory.
1616 if (headers_only == HEADERS_FAST) {
1617 TheMessage = CtdlFetchMessage(msg_num, 0);
1620 TheMessage = CtdlFetchMessage(msg_num, 1);
1623 if (TheMessage == NULL) {
1624 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1625 ERROR + MESSAGE_NOT_FOUND, msg_num);
1626 return(om_no_such_msg);
1629 /* Here is the weird form of this command, to process only an
1630 * encapsulated message/rfc822 section.
1632 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1633 memset(&encap, 0, sizeof encap);
1634 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1635 mime_parser(TheMessage->cm_fields['M'],
1637 *extract_encapsulated_message,
1638 NULL, NULL, (void *)&encap, 0
1640 CtdlFreeMessage(TheMessage);
1644 encap.msg[encap.msglen] = 0;
1645 TheMessage = convert_internet_message(encap.msg);
1646 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1648 /* Now we let it fall through to the bottom of this
1649 * function, because TheMessage now contains the
1650 * encapsulated message instead of the top-level
1651 * message. Isn't that neat?
1656 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1657 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1658 retcode = om_no_such_msg;
1663 /* Ok, output the message now */
1664 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1665 CtdlFreeMessage(TheMessage);
1671 char *qp_encode_email_addrs(char *source)
1673 char *user, *node, *name;
1674 const char headerStr[] = "=?UTF-8?Q?";
1678 int need_to_encode = 0;
1684 long nAddrPtrMax = 50;
1689 if (source == NULL) return source;
1690 if (IsEmptyStr(source)) return source;
1692 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1694 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1695 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1696 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1699 while (!IsEmptyStr (&source[i])) {
1700 if (nColons >= nAddrPtrMax){
1703 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1704 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1705 free (AddrPtr), AddrPtr = ptr;
1707 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1708 memset(&ptr[nAddrPtrMax], 0,
1709 sizeof (long) * nAddrPtrMax);
1711 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1712 free (AddrUtf8), AddrUtf8 = ptr;
1715 if (((unsigned char) source[i] < 32) ||
1716 ((unsigned char) source[i] > 126)) {
1718 AddrUtf8[nColons] = 1;
1720 if (source[i] == '"')
1721 InQuotes = !InQuotes;
1722 if (!InQuotes && source[i] == ',') {
1723 AddrPtr[nColons] = i;
1728 if (need_to_encode == 0) {
1735 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1736 Encoded = (char*) malloc (EncodedMaxLen);
1738 for (i = 0; i < nColons; i++)
1739 source[AddrPtr[i]++] = '\0';
1740 /* TODO: if libidn, this might get larger*/
1741 user = malloc(SourceLen + 1);
1742 node = malloc(SourceLen + 1);
1743 name = malloc(SourceLen + 1);
1747 for (i = 0; i < nColons && nPtr != NULL; i++) {
1748 nmax = EncodedMaxLen - (nPtr - Encoded);
1750 process_rfc822_addr(&source[AddrPtr[i]],
1754 /* TODO: libIDN here ! */
1755 if (IsEmptyStr(name)) {
1756 n = snprintf(nPtr, nmax,
1757 (i==0)?"%s@%s" : ",%s@%s",
1761 EncodedName = rfc2047encode(name, strlen(name));
1762 n = snprintf(nPtr, nmax,
1763 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1764 EncodedName, user, node);
1769 n = snprintf(nPtr, nmax,
1770 (i==0)?"%s" : ",%s",
1771 &source[AddrPtr[i]]);
1777 ptr = (char*) malloc(EncodedMaxLen * 2);
1778 memcpy(ptr, Encoded, EncodedMaxLen);
1779 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1780 free(Encoded), Encoded = ptr;
1782 i--; /* do it once more with properly lengthened buffer */
1785 for (i = 0; i < nColons; i++)
1786 source[--AddrPtr[i]] = ',';
1797 /* If the last item in a list of recipients was truncated to a partial address,
1798 * remove it completely in order to avoid choking libSieve
1800 void sanitize_truncated_recipient(char *str)
1803 if (num_tokens(str, ',') < 2) return;
1805 int len = strlen(str);
1806 if (len < 900) return;
1807 if (len > 998) str[998] = 0;
1809 char *cptr = strrchr(str, ',');
1812 char *lptr = strchr(cptr, '<');
1813 char *rptr = strchr(cptr, '>');
1815 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1821 void OutputCtdlMsgHeaders(
1822 struct CtdlMessage *TheMessage,
1823 int do_proto) /* do Citadel protocol responses? */
1829 char display_name[256];
1831 /* begin header processing loop for Citadel message format */
1832 safestrncpy(display_name, "<unknown>", sizeof display_name);
1833 if (TheMessage->cm_fields['A']) {
1834 strcpy(buf, TheMessage->cm_fields['A']);
1835 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1836 safestrncpy(display_name, "****", sizeof display_name);
1838 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1839 safestrncpy(display_name, "anonymous", sizeof display_name);
1842 safestrncpy(display_name, buf, sizeof display_name);
1844 if ((is_room_aide())
1845 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1846 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1847 size_t tmp = strlen(display_name);
1848 snprintf(&display_name[tmp],
1849 sizeof display_name - tmp,
1854 /* Don't show Internet address for users on the
1855 * local Citadel network.
1858 if (TheMessage->cm_fields['N'] != NULL)
1859 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1860 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1864 /* Now spew the header fields in the order we like them. */
1865 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1866 for (i=0; i<n; ++i) {
1867 k = (int) allkeys[i];
1869 if ( (TheMessage->cm_fields[k] != NULL)
1870 && (msgkeys[k] != NULL) ) {
1871 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1872 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1875 if (do_proto) cprintf("%s=%s\n",
1879 else if ((k == 'F') && (suppress_f)) {
1882 /* Masquerade display name if needed */
1884 if (do_proto) cprintf("%s=%s\n",
1886 TheMessage->cm_fields[k]
1895 void OutputRFC822MsgHeaders(
1896 struct CtdlMessage *TheMessage,
1897 int flags, /* should the bessage be exported clean */
1899 char *mid, long sizeof_mid,
1900 char *suser, long sizeof_suser,
1901 char *luser, long sizeof_luser,
1902 char *fuser, long sizeof_fuser,
1903 char *snode, long sizeof_snode)
1905 char datestamp[100];
1906 int subject_found = 0;
1912 for (i = 0; i < 256; ++i) {
1913 if (TheMessage->cm_fields[i]) {
1914 mptr = mpptr = TheMessage->cm_fields[i];
1917 safestrncpy(luser, mptr, sizeof_luser);
1918 safestrncpy(suser, mptr, sizeof_suser);
1920 else if (i == 'Y') {
1921 if ((flags & QP_EADDR) != 0) {
1922 mptr = qp_encode_email_addrs(mptr);
1924 sanitize_truncated_recipient(mptr);
1925 cprintf("CC: %s%s", mptr, nl);
1927 else if (i == 'P') {
1928 cprintf("Return-Path: %s%s", mptr, nl);
1930 else if (i == 'L') {
1931 cprintf("List-ID: %s%s", mptr, nl);
1933 else if (i == 'V') {
1934 if ((flags & QP_EADDR) != 0)
1935 mptr = qp_encode_email_addrs(mptr);
1936 cprintf("Envelope-To: %s%s", mptr, nl);
1938 else if (i == 'U') {
1939 cprintf("Subject: %s%s", mptr, nl);
1943 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1945 safestrncpy(fuser, mptr, sizeof_fuser);
1946 /* else if (i == 'O')
1947 cprintf("X-Citadel-Room: %s%s",
1950 safestrncpy(snode, mptr, sizeof_snode);
1953 if (haschar(mptr, '@') == 0)
1955 sanitize_truncated_recipient(mptr);
1956 cprintf("To: %s@%s", mptr, config.c_fqdn);
1961 if ((flags & QP_EADDR) != 0) {
1962 mptr = qp_encode_email_addrs(mptr);
1964 sanitize_truncated_recipient(mptr);
1965 cprintf("To: %s", mptr);
1969 else if (i == 'T') {
1970 datestring(datestamp, sizeof datestamp,
1971 atol(mptr), DATESTRING_RFC822);
1972 cprintf("Date: %s%s", datestamp, nl);
1974 else if (i == 'W') {
1975 cprintf("References: ");
1976 k = num_tokens(mptr, '|');
1977 for (j=0; j<k; ++j) {
1978 extract_token(buf, mptr, j, '|', sizeof buf);
1979 cprintf("<%s>", buf);
1988 else if (i == 'K') {
1989 cprintf("Reply-To: <%s>%s", mptr, nl);
1995 if (subject_found == 0) {
1996 cprintf("Subject: (no subject)%s", nl);
2001 void Dump_RFC822HeadersBody(
2002 struct CtdlMessage *TheMessage,
2003 int headers_only, /* eschew the message body? */
2004 int flags, /* should the bessage be exported clean? */
2008 cit_uint8_t prev_ch;
2010 const char *StartOfText = StrBufNOTNULL;
2013 int nllen = strlen(nl);
2016 mptr = TheMessage->cm_fields['M'];
2020 while (*mptr != '\0') {
2021 if (*mptr == '\r') {
2028 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2030 eoh = *(mptr+1) == '\n';
2034 StartOfText = strchr(StartOfText, '\n');
2035 StartOfText = strchr(StartOfText, '\n');
2038 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2039 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2040 ((headers_only != HEADERS_NONE) &&
2041 (headers_only != HEADERS_ONLY))
2043 if (*mptr == '\n') {
2044 memcpy(&outbuf[outlen], nl, nllen);
2046 outbuf[outlen] = '\0';
2049 outbuf[outlen++] = *mptr;
2053 if (flags & ESC_DOT)
2055 if ((prev_ch == '\n') &&
2057 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2059 outbuf[outlen++] = '.';
2064 if (outlen > 1000) {
2065 client_write(outbuf, outlen);
2070 client_write(outbuf, outlen);
2077 /* If the format type on disk is 1 (fixed-format), then we want
2078 * everything to be output completely literally ... regardless of
2079 * what message transfer format is in use.
2081 void DumpFormatFixed(
2082 struct CtdlMessage *TheMessage,
2083 int mode, /* how would you like that message? */
2090 int nllen = strlen (nl);
2093 mptr = TheMessage->cm_fields['M'];
2095 if (mode == MT_MIME) {
2096 cprintf("Content-type: text/plain\n\n");
2100 while (ch = *mptr++, ch > 0) {
2104 if ((buflen > 250) && (!xlline)){
2108 while ((buflen > 0) &&
2109 (!isspace(buf[buflen])))
2115 mptr -= tbuflen - buflen;
2120 /* if we reach the outer bounds of our buffer,
2121 abort without respect what whe purge. */
2124 (buflen > SIZ - nllen - 2)))
2128 memcpy (&buf[buflen], nl, nllen);
2132 client_write(buf, buflen);
2142 if (!IsEmptyStr(buf))
2143 cprintf("%s%s", buf, nl);
2147 * Get a message off disk. (returns om_* values found in msgbase.h)
2149 int CtdlOutputPreLoadedMsg(
2150 struct CtdlMessage *TheMessage,
2151 int mode, /* how would you like that message? */
2152 int headers_only, /* eschew the message body? */
2153 int do_proto, /* do Citadel protocol responses? */
2154 int crlf, /* Use CRLF newlines instead of LF? */
2155 int flags /* should the bessage be exported clean? */
2159 const char *nl; /* newline string */
2162 /* Buffers needed for RFC822 translation. These are all filled
2163 * using functions that are bounds-checked, and therefore we can
2164 * make them substantially smaller than SIZ.
2172 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2173 ((TheMessage == NULL) ? "NULL" : "not null"),
2174 mode, headers_only, do_proto, crlf);
2176 strcpy(mid, "unknown");
2177 nl = (crlf ? "\r\n" : "\n");
2179 if (!is_valid_message(TheMessage)) {
2181 "ERROR: invalid preloaded message for output\n");
2183 return(om_no_such_msg);
2186 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2187 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2189 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2190 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2193 /* Are we downloading a MIME component? */
2194 if (mode == MT_DOWNLOAD) {
2195 if (TheMessage->cm_format_type != FMT_RFC822) {
2197 cprintf("%d This is not a MIME message.\n",
2198 ERROR + ILLEGAL_VALUE);
2199 } else if (CC->download_fp != NULL) {
2200 if (do_proto) cprintf(
2201 "%d You already have a download open.\n",
2202 ERROR + RESOURCE_BUSY);
2204 /* Parse the message text component */
2205 mptr = TheMessage->cm_fields['M'];
2206 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2207 /* If there's no file open by this time, the requested
2208 * section wasn't found, so print an error
2210 if (CC->download_fp == NULL) {
2211 if (do_proto) cprintf(
2212 "%d Section %s not found.\n",
2213 ERROR + FILE_NOT_FOUND,
2214 CC->download_desired_section);
2217 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2220 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2221 * in a single server operation instead of opening a download file.
2223 if (mode == MT_SPEW_SECTION) {
2224 if (TheMessage->cm_format_type != FMT_RFC822) {
2226 cprintf("%d This is not a MIME message.\n",
2227 ERROR + ILLEGAL_VALUE);
2229 /* Parse the message text component */
2232 mptr = TheMessage->cm_fields['M'];
2233 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2234 /* If section wasn't found, print an error
2237 if (do_proto) cprintf(
2238 "%d Section %s not found.\n",
2239 ERROR + FILE_NOT_FOUND,
2240 CC->download_desired_section);
2243 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2246 /* now for the user-mode message reading loops */
2247 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2249 /* Does the caller want to skip the headers? */
2250 if (headers_only == HEADERS_NONE) goto START_TEXT;
2252 /* Tell the client which format type we're using. */
2253 if ( (mode == MT_CITADEL) && (do_proto) ) {
2254 cprintf("type=%d\n", TheMessage->cm_format_type);
2257 /* nhdr=yes means that we're only displaying headers, no body */
2258 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2259 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2262 cprintf("nhdr=yes\n");
2265 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2266 OutputCtdlMsgHeaders(TheMessage, do_proto);
2269 /* begin header processing loop for RFC822 transfer format */
2273 strcpy(snode, NODENAME);
2274 if (mode == MT_RFC822)
2275 OutputRFC822MsgHeaders(
2280 suser, sizeof(suser),
2281 luser, sizeof(luser),
2282 fuser, sizeof(fuser),
2283 snode, sizeof(snode)
2287 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2288 suser[i] = tolower(suser[i]);
2289 if (!isalnum(suser[i])) suser[i]='_';
2292 if (mode == MT_RFC822) {
2293 if (!strcasecmp(snode, NODENAME)) {
2294 safestrncpy(snode, FQDN, sizeof snode);
2297 /* Construct a fun message id */
2298 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2299 if (strchr(mid, '@')==NULL) {
2300 cprintf("@%s", snode);
2304 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2305 cprintf("From: \"----\" <x@x.org>%s", nl);
2307 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2308 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2310 else if (!IsEmptyStr(fuser)) {
2311 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2314 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2317 /* Blank line signifying RFC822 end-of-headers */
2318 if (TheMessage->cm_format_type != FMT_RFC822) {
2323 /* end header processing loop ... at this point, we're in the text */
2325 if (headers_only == HEADERS_FAST) goto DONE;
2327 /* Tell the client about the MIME parts in this message */
2328 if (TheMessage->cm_format_type == FMT_RFC822) {
2329 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2330 mptr = TheMessage->cm_fields['M'];
2331 memset(&ma, 0, sizeof(struct ma_info));
2332 mime_parser(mptr, NULL,
2333 (do_proto ? *list_this_part : NULL),
2334 (do_proto ? *list_this_pref : NULL),
2335 (do_proto ? *list_this_suff : NULL),
2338 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2339 Dump_RFC822HeadersBody(
2348 if (headers_only == HEADERS_ONLY) {
2352 /* signify start of msg text */
2353 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2354 if (do_proto) cprintf("text\n");
2357 if (TheMessage->cm_format_type == FMT_FIXED)
2360 mode, /* how would you like that message? */
2363 /* If the message on disk is format 0 (Citadel vari-format), we
2364 * output using the formatter at 80 columns. This is the final output
2365 * form if the transfer format is RFC822, but if the transfer format
2366 * is Citadel proprietary, it'll still work, because the indentation
2367 * for new paragraphs is correct and the client will reformat the
2368 * message to the reader's screen width.
2370 if (TheMessage->cm_format_type == FMT_CITADEL) {
2371 mptr = TheMessage->cm_fields['M'];
2373 if (mode == MT_MIME) {
2374 cprintf("Content-type: text/x-citadel-variformat\n\n");
2379 /* If the message on disk is format 4 (MIME), we've gotta hand it
2380 * off to the MIME parser. The client has already been told that
2381 * this message is format 1 (fixed format), so the callback function
2382 * we use will display those parts as-is.
2384 if (TheMessage->cm_format_type == FMT_RFC822) {
2385 memset(&ma, 0, sizeof(struct ma_info));
2387 if (mode == MT_MIME) {
2388 ma.use_fo_hooks = 0;
2389 strcpy(ma.chosen_part, "1");
2390 ma.chosen_pref = 9999;
2391 ma.dont_decode = CC->msg4_dont_decode;
2392 mime_parser(mptr, NULL,
2393 *choose_preferred, *fixed_output_pre,
2394 *fixed_output_post, (void *)&ma, 1);
2395 mime_parser(mptr, NULL,
2396 *output_preferred, NULL, NULL, (void *)&ma, 1);
2399 ma.use_fo_hooks = 1;
2400 mime_parser(mptr, NULL,
2401 *fixed_output, *fixed_output_pre,
2402 *fixed_output_post, (void *)&ma, 0);
2407 DONE: /* now we're done */
2408 if (do_proto) cprintf("000\n");
2414 * display a message (mode 0 - Citadel proprietary)
2416 void cmd_msg0(char *cmdbuf)
2419 int headers_only = HEADERS_ALL;
2421 msgid = extract_long(cmdbuf, 0);
2422 headers_only = extract_int(cmdbuf, 1);
2424 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2430 * display a message (mode 2 - RFC822)
2432 void cmd_msg2(char *cmdbuf)
2435 int headers_only = HEADERS_ALL;
2437 msgid = extract_long(cmdbuf, 0);
2438 headers_only = extract_int(cmdbuf, 1);
2440 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2446 * display a message (mode 3 - IGnet raw format - internal programs only)
2448 void cmd_msg3(char *cmdbuf)
2451 struct CtdlMessage *msg = NULL;
2454 if (CC->internal_pgm == 0) {
2455 cprintf("%d This command is for internal programs only.\n",
2456 ERROR + HIGHER_ACCESS_REQUIRED);
2460 msgnum = extract_long(cmdbuf, 0);
2461 msg = CtdlFetchMessage(msgnum, 1);
2463 cprintf("%d Message %ld not found.\n",
2464 ERROR + MESSAGE_NOT_FOUND, msgnum);
2468 serialize_message(&smr, msg);
2469 CtdlFreeMessage(msg);
2472 cprintf("%d Unable to serialize message\n",
2473 ERROR + INTERNAL_ERROR);
2477 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2478 client_write((char *)smr.ser, (int)smr.len);
2485 * Display a message using MIME content types
2487 void cmd_msg4(char *cmdbuf)
2492 msgid = extract_long(cmdbuf, 0);
2493 extract_token(section, cmdbuf, 1, '|', sizeof section);
2494 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2500 * Client tells us its preferred message format(s)
2502 void cmd_msgp(char *cmdbuf)
2504 if (!strcasecmp(cmdbuf, "dont_decode")) {
2505 CC->msg4_dont_decode = 1;
2506 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2509 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2510 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2516 * Open a component of a MIME message as a download file
2518 void cmd_opna(char *cmdbuf)
2521 char desired_section[128];
2523 msgid = extract_long(cmdbuf, 0);
2524 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2525 safestrncpy(CC->download_desired_section, desired_section,
2526 sizeof CC->download_desired_section);
2527 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2532 * Open a component of a MIME message and transmit it all at once
2534 void cmd_dlat(char *cmdbuf)
2537 char desired_section[128];
2539 msgid = extract_long(cmdbuf, 0);
2540 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2541 safestrncpy(CC->download_desired_section, desired_section,
2542 sizeof CC->download_desired_section);
2543 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2548 * Save one or more message pointers into a specified room
2549 * (Returns 0 for success, nonzero for failure)
2550 * roomname may be NULL to use the current room
2552 * Note that the 'supplied_msg' field may be set to NULL, in which case
2553 * the message will be fetched from disk, by number, if we need to perform
2554 * replication checks. This adds an additional database read, so if the
2555 * caller already has the message in memory then it should be supplied. (Obviously
2556 * this mode of operation only works if we're saving a single message.)
2558 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2559 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2562 char hold_rm[ROOMNAMELEN];
2563 struct cdbdata *cdbfr;
2566 long highest_msg = 0L;
2569 struct CtdlMessage *msg = NULL;
2571 long *msgs_to_be_merged = NULL;
2572 int num_msgs_to_be_merged = 0;
2575 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2576 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2579 strcpy(hold_rm, CC->room.QRname);
2582 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2583 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2584 if (num_newmsgs > 1) supplied_msg = NULL;
2586 /* Now the regular stuff */
2587 if (CtdlGetRoomLock(&CC->room,
2588 ((roomname != NULL) ? roomname : CC->room.QRname) )
2590 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2591 return(ERROR + ROOM_NOT_FOUND);
2595 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2596 num_msgs_to_be_merged = 0;
2599 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2600 if (cdbfr == NULL) {
2604 msglist = (long *) cdbfr->ptr;
2605 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2606 num_msgs = cdbfr->len / sizeof(long);
2611 /* Create a list of msgid's which were supplied by the caller, but do
2612 * not already exist in the target room. It is absolutely taboo to
2613 * have more than one reference to the same message in a room.
2615 for (i=0; i<num_newmsgs; ++i) {
2617 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2618 if (msglist[j] == newmsgidlist[i]) {
2623 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2627 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2630 * Now merge the new messages
2632 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2633 if (msglist == NULL) {
2634 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2636 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2637 num_msgs += num_msgs_to_be_merged;
2639 /* Sort the message list, so all the msgid's are in order */
2640 num_msgs = sort_msglist(msglist, num_msgs);
2642 /* Determine the highest message number */
2643 highest_msg = msglist[num_msgs - 1];
2645 /* Write it back to disk. */
2646 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2647 msglist, (int)(num_msgs * sizeof(long)));
2649 /* Free up the memory we used. */
2652 /* Update the highest-message pointer and unlock the room. */
2653 CC->room.QRhighest = highest_msg;
2654 CtdlPutRoomLock(&CC->room);
2656 /* Perform replication checks if necessary */
2657 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2658 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2660 for (i=0; i<num_msgs_to_be_merged; ++i) {
2661 msgid = msgs_to_be_merged[i];
2663 if (supplied_msg != NULL) {
2667 msg = CtdlFetchMessage(msgid, 0);
2671 ReplicationChecks(msg);
2673 /* If the message has an Exclusive ID, index that... */
2674 if (msg->cm_fields['E'] != NULL) {
2675 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2678 /* Free up the memory we may have allocated */
2679 if (msg != supplied_msg) {
2680 CtdlFreeMessage(msg);
2688 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2691 /* Submit this room for processing by hooks */
2692 PerformRoomHooks(&CC->room);
2694 /* Go back to the room we were in before we wandered here... */
2695 CtdlGetRoom(&CC->room, hold_rm);
2697 /* Bump the reference count for all messages which were merged */
2698 if (!suppress_refcount_adj) {
2699 for (i=0; i<num_msgs_to_be_merged; ++i) {
2700 AdjRefCount(msgs_to_be_merged[i], +1);
2704 /* Free up memory... */
2705 if (msgs_to_be_merged != NULL) {
2706 free(msgs_to_be_merged);
2709 /* Return success. */
2715 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2718 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2719 int do_repl_check, struct CtdlMessage *supplied_msg)
2721 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2728 * Message base operation to save a new message to the message store
2729 * (returns new message number)
2731 * This is the back end for CtdlSubmitMsg() and should not be directly
2732 * called by server-side modules.
2735 long send_message(struct CtdlMessage *msg) {
2743 /* Get a new message number */
2744 newmsgid = get_new_message_number();
2745 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2747 /* Generate an ID if we don't have one already */
2748 if (msg->cm_fields['I']==NULL) {
2749 msg->cm_fields['I'] = strdup(msgidbuf);
2752 /* If the message is big, set its body aside for storage elsewhere */
2753 if (msg->cm_fields['M'] != NULL) {
2754 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2756 holdM = msg->cm_fields['M'];
2757 msg->cm_fields['M'] = NULL;
2761 /* Serialize our data structure for storage in the database */
2762 serialize_message(&smr, msg);
2765 msg->cm_fields['M'] = holdM;
2769 cprintf("%d Unable to serialize message\n",
2770 ERROR + INTERNAL_ERROR);
2774 /* Write our little bundle of joy into the message base */
2775 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2776 smr.ser, smr.len) < 0) {
2777 syslog(LOG_ERR, "Can't store message\n");
2781 cdb_store(CDB_BIGMSGS,
2791 /* Free the memory we used for the serialized message */
2794 /* Return the *local* message ID to the caller
2795 * (even if we're storing an incoming network message)
2803 * Serialize a struct CtdlMessage into the format used on disk and network.
2805 * This function loads up a "struct ser_ret" (defined in server.h) which
2806 * contains the length of the serialized message and a pointer to the
2807 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2809 void serialize_message(struct ser_ret *ret, /* return values */
2810 struct CtdlMessage *msg) /* unserialized msg */
2812 size_t wlen, fieldlen;
2814 static char *forder = FORDER;
2817 * Check for valid message format
2819 if (is_valid_message(msg) == 0) {
2820 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2827 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2828 ret->len = ret->len +
2829 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2831 ret->ser = malloc(ret->len);
2832 if (ret->ser == NULL) {
2833 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2834 (long)ret->len, strerror(errno));
2841 ret->ser[1] = msg->cm_anon_type;
2842 ret->ser[2] = msg->cm_format_type;
2845 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2846 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2847 ret->ser[wlen++] = (char)forder[i];
2848 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2849 wlen = wlen + fieldlen + 1;
2851 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2852 (long)ret->len, (long)wlen);
2859 * Serialize a struct CtdlMessage into the format used on disk and network.
2861 * This function loads up a "struct ser_ret" (defined in server.h) which
2862 * contains the length of the serialized message and a pointer to the
2863 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2865 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2866 long Siz) /* how many chars ? */
2870 static char *forder = FORDER;
2874 * Check for valid message format
2876 if (is_valid_message(msg) == 0) {
2877 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2881 buf = (char*) malloc (Siz + 1);
2885 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2886 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2887 msg->cm_fields[(int)forder[i]]);
2888 client_write (buf, strlen(buf));
2897 * Check to see if any messages already exist in the current room which
2898 * carry the same Exclusive ID as this one. If any are found, delete them.
2900 void ReplicationChecks(struct CtdlMessage *msg) {
2901 long old_msgnum = (-1L);
2903 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2905 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2908 /* No exclusive id? Don't do anything. */
2909 if (msg == NULL) return;
2910 if (msg->cm_fields['E'] == NULL) return;
2911 if (IsEmptyStr(msg->cm_fields['E'])) return;
2912 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2913 msg->cm_fields['E'], CC->room.QRname);*/
2915 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2916 if (old_msgnum > 0L) {
2917 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2918 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2925 * Save a message to disk and submit it into the delivery system.
2927 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2928 struct recptypes *recps, /* recipients (if mail) */
2929 char *force, /* force a particular room? */
2930 int flags /* should the message be exported clean? */
2932 char submit_filename[128];
2933 char generated_timestamp[32];
2934 char hold_rm[ROOMNAMELEN];
2935 char actual_rm[ROOMNAMELEN];
2936 char force_room[ROOMNAMELEN];
2937 char content_type[SIZ]; /* We have to learn this */
2938 char recipient[SIZ];
2940 const char *mptr = NULL;
2941 struct ctdluser userbuf;
2943 struct MetaData smi;
2944 FILE *network_fp = NULL;
2945 static int seqnum = 1;
2946 struct CtdlMessage *imsg = NULL;
2948 size_t instr_alloc = 0;
2950 char *hold_R, *hold_D;
2951 char *collected_addresses = NULL;
2952 struct addresses_to_be_filed *aptr = NULL;
2953 StrBuf *saved_rfc822_version = NULL;
2954 int qualified_for_journaling = 0;
2955 CitContext *CCC = MyContext();
2956 char bounce_to[1024] = "";
2960 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
2961 if (is_valid_message(msg) == 0) return(-1); /* self check */
2963 /* If this message has no timestamp, we take the liberty of
2964 * giving it one, right now.
2966 if (msg->cm_fields['T'] == NULL) {
2967 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2968 msg->cm_fields['T'] = strdup(generated_timestamp);
2971 /* If this message has no path, we generate one.
2973 if (msg->cm_fields['P'] == NULL) {
2974 if (msg->cm_fields['A'] != NULL) {
2975 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2976 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2977 if (isspace(msg->cm_fields['P'][a])) {
2978 msg->cm_fields['P'][a] = ' ';
2983 msg->cm_fields['P'] = strdup("unknown");
2987 if (force == NULL) {
2988 strcpy(force_room, "");
2991 strcpy(force_room, force);
2994 /* Learn about what's inside, because it's what's inside that counts */
2995 if (msg->cm_fields['M'] == NULL) {
2996 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3000 switch (msg->cm_format_type) {
3002 strcpy(content_type, "text/x-citadel-variformat");
3005 strcpy(content_type, "text/plain");
3008 strcpy(content_type, "text/plain");
3009 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3012 safestrncpy(content_type, &mptr[13], sizeof content_type);
3013 striplt(content_type);
3014 aptr = content_type;
3015 while (!IsEmptyStr(aptr)) {
3027 /* Goto the correct room */
3028 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3029 strcpy(hold_rm, CCC->room.QRname);
3030 strcpy(actual_rm, CCC->room.QRname);
3031 if (recps != NULL) {
3032 strcpy(actual_rm, SENTITEMS);
3035 /* If the user is a twit, move to the twit room for posting */
3037 if (CCC->user.axlevel == AxProbU) {
3038 strcpy(hold_rm, actual_rm);
3039 strcpy(actual_rm, config.c_twitroom);
3040 syslog(LOG_DEBUG, "Diverting to twit room\n");
3044 /* ...or if this message is destined for Aide> then go there. */
3045 if (!IsEmptyStr(force_room)) {
3046 strcpy(actual_rm, force_room);
3049 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3050 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3051 /* CtdlGetRoom(&CCC->room, actual_rm); */
3052 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3056 * If this message has no O (room) field, generate one.
3058 if (msg->cm_fields['O'] == NULL) {
3059 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3062 /* Perform "before save" hooks (aborting if any return nonzero) */
3063 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3064 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3067 * If this message has an Exclusive ID, and the room is replication
3068 * checking enabled, then do replication checks.
3070 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3071 ReplicationChecks(msg);
3074 /* Save it to disk */
3075 syslog(LOG_DEBUG, "Saving to disk\n");
3076 newmsgid = send_message(msg);
3077 if (newmsgid <= 0L) return(-5);
3079 /* Write a supplemental message info record. This doesn't have to
3080 * be a critical section because nobody else knows about this message
3083 syslog(LOG_DEBUG, "Creating MetaData record\n");
3084 memset(&smi, 0, sizeof(struct MetaData));
3085 smi.meta_msgnum = newmsgid;
3086 smi.meta_refcount = 0;
3087 safestrncpy(smi.meta_content_type, content_type,
3088 sizeof smi.meta_content_type);
3091 * Measure how big this message will be when rendered as RFC822.
3092 * We do this for two reasons:
3093 * 1. We need the RFC822 length for the new metadata record, so the
3094 * POP and IMAP services don't have to calculate message lengths
3095 * while the user is waiting (multiplied by potentially hundreds
3096 * or thousands of messages).
3097 * 2. If journaling is enabled, we will need an RFC822 version of the
3098 * message to attach to the journalized copy.
3100 if (CCC->redirect_buffer != NULL) {
3101 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3104 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3105 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3106 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3107 saved_rfc822_version = CCC->redirect_buffer;
3108 CCC->redirect_buffer = NULL;
3112 /* Now figure out where to store the pointers */
3113 syslog(LOG_DEBUG, "Storing pointers\n");
3115 /* If this is being done by the networker delivering a private
3116 * message, we want to BYPASS saving the sender's copy (because there
3117 * is no local sender; it would otherwise go to the Trashcan).
3119 if ((!CCC->internal_pgm) || (recps == NULL)) {
3120 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3121 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3122 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3126 /* For internet mail, drop a copy in the outbound queue room */
3127 if ((recps != NULL) && (recps->num_internet > 0)) {
3128 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3131 /* If other rooms are specified, drop them there too. */
3132 if ((recps != NULL) && (recps->num_room > 0))
3133 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3134 extract_token(recipient, recps->recp_room, i,
3135 '|', sizeof recipient);
3136 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3137 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3140 /* Bump this user's messages posted counter. */
3141 syslog(LOG_DEBUG, "Updating user\n");
3142 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3143 CCC->user.posted = CCC->user.posted + 1;
3144 CtdlPutUserLock(&CCC->user);
3146 /* Decide where bounces need to be delivered */
3147 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3148 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3150 else if (CCC->logged_in) {
3151 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3154 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3157 /* If this is private, local mail, make a copy in the
3158 * recipient's mailbox and bump the reference count.
3160 if ((recps != NULL) && (recps->num_local > 0))
3161 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3162 extract_token(recipient, recps->recp_local, i,
3163 '|', sizeof recipient);
3164 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3166 if (CtdlGetUser(&userbuf, recipient) == 0) {
3167 // Add a flag so the Funambol module knows its mail
3168 msg->cm_fields['W'] = strdup(recipient);
3169 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3170 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3171 CtdlBumpNewMailCounter(userbuf.usernum);
3172 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3173 /* Generate a instruction message for the Funambol notification
3174 * server, in the same style as the SMTP queue
3177 instr = malloc(instr_alloc);
3178 snprintf(instr, instr_alloc,
3179 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3181 SPOOLMIME, newmsgid, (long)time(NULL),
3185 imsg = malloc(sizeof(struct CtdlMessage));
3186 memset(imsg, 0, sizeof(struct CtdlMessage));
3187 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3188 imsg->cm_anon_type = MES_NORMAL;
3189 imsg->cm_format_type = FMT_RFC822;
3190 imsg->cm_fields['A'] = strdup("Citadel");
3191 imsg->cm_fields['J'] = strdup("do not journal");
3192 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3193 imsg->cm_fields['W'] = strdup(recipient);
3194 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3195 CtdlFreeMessage(imsg);
3199 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3200 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3205 /* Perform "after save" hooks */
3206 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3207 PerformMessageHooks(msg, EVT_AFTERSAVE);
3209 /* For IGnet mail, we have to save a new copy into the spooler for
3210 * each recipient, with the R and D fields set to the recipient and
3211 * destination-node. This has two ugly side effects: all other
3212 * recipients end up being unlisted in this recipient's copy of the
3213 * message, and it has to deliver multiple messages to the same
3214 * node. We'll revisit this again in a year or so when everyone has
3215 * a network spool receiver that can handle the new style messages.
3217 if ((recps != NULL) && (recps->num_ignet > 0))
3218 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3219 extract_token(recipient, recps->recp_ignet, i,
3220 '|', sizeof recipient);
3222 hold_R = msg->cm_fields['R'];
3223 hold_D = msg->cm_fields['D'];
3224 msg->cm_fields['R'] = malloc(SIZ);
3225 msg->cm_fields['D'] = malloc(128);
3226 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3227 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3229 serialize_message(&smr, msg);
3231 snprintf(submit_filename, sizeof submit_filename,
3232 "%s/netmail.%04lx.%04x.%04x",
3234 (long) getpid(), CCC->cs_pid, ++seqnum);
3235 network_fp = fopen(submit_filename, "wb+");
3236 if (network_fp != NULL) {
3237 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3243 free(msg->cm_fields['R']);
3244 free(msg->cm_fields['D']);
3245 msg->cm_fields['R'] = hold_R;
3246 msg->cm_fields['D'] = hold_D;
3249 /* Go back to the room we started from */
3250 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3251 if (strcasecmp(hold_rm, CCC->room.QRname))
3252 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3254 /* For internet mail, generate delivery instructions.
3255 * Yes, this is recursive. Deal with it. Infinite recursion does
3256 * not happen because the delivery instructions message does not
3257 * contain a recipient.
3259 if ((recps != NULL) && (recps->num_internet > 0)) {
3260 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3262 instr = malloc(instr_alloc);
3263 snprintf(instr, instr_alloc,
3264 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3266 SPOOLMIME, newmsgid, (long)time(NULL),
3270 if (recps->envelope_from != NULL) {
3271 tmp = strlen(instr);
3272 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3275 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3276 tmp = strlen(instr);
3277 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3278 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3279 instr_alloc = instr_alloc * 2;
3280 instr = realloc(instr, instr_alloc);
3282 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3285 imsg = malloc(sizeof(struct CtdlMessage));
3286 memset(imsg, 0, sizeof(struct CtdlMessage));
3287 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3288 imsg->cm_anon_type = MES_NORMAL;
3289 imsg->cm_format_type = FMT_RFC822;
3290 imsg->cm_fields['A'] = strdup("Citadel");
3291 imsg->cm_fields['J'] = strdup("do not journal");
3292 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3293 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3294 CtdlFreeMessage(imsg);
3298 * Any addresses to harvest for someone's address book?
3300 if ( (CCC->logged_in) && (recps != NULL) ) {
3301 collected_addresses = harvest_collected_addresses(msg);
3304 if (collected_addresses != NULL) {
3305 aptr = (struct addresses_to_be_filed *)
3306 malloc(sizeof(struct addresses_to_be_filed));
3307 CtdlMailboxName(actual_rm, sizeof actual_rm,
3308 &CCC->user, USERCONTACTSROOM);
3309 aptr->roomname = strdup(actual_rm);
3310 aptr->collected_addresses = collected_addresses;
3311 begin_critical_section(S_ATBF);
3314 end_critical_section(S_ATBF);
3318 * Determine whether this message qualifies for journaling.
3320 if (msg->cm_fields['J'] != NULL) {
3321 qualified_for_journaling = 0;
3324 if (recps == NULL) {
3325 qualified_for_journaling = config.c_journal_pubmsgs;
3327 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3328 qualified_for_journaling = config.c_journal_email;
3331 qualified_for_journaling = config.c_journal_pubmsgs;
3336 * Do we have to perform journaling? If so, hand off the saved
3337 * RFC822 version will be handed off to the journaler for background
3338 * submit. Otherwise, we have to free the memory ourselves.
3340 if (saved_rfc822_version != NULL) {
3341 if (qualified_for_journaling) {
3342 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3345 FreeStrBuf(&saved_rfc822_version);
3355 void aide_message (char *text, char *subject)
3357 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3362 * Convenience function for generating small administrative messages.
3364 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3365 int format_type, const char *subject)
3367 struct CtdlMessage *msg;
3368 struct recptypes *recp = NULL;
3370 msg = malloc(sizeof(struct CtdlMessage));
3371 memset(msg, 0, sizeof(struct CtdlMessage));
3372 msg->cm_magic = CTDLMESSAGE_MAGIC;
3373 msg->cm_anon_type = MES_NORMAL;
3374 msg->cm_format_type = format_type;
3377 msg->cm_fields['A'] = strdup(from);
3379 else if (fromaddr != NULL) {
3380 msg->cm_fields['A'] = strdup(fromaddr);
3381 if (strchr(msg->cm_fields['A'], '@')) {
3382 *strchr(msg->cm_fields['A'], '@') = 0;
3386 msg->cm_fields['A'] = strdup("Citadel");
3389 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3390 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3391 msg->cm_fields['N'] = strdup(NODENAME);
3393 msg->cm_fields['R'] = strdup(to);
3394 recp = validate_recipients(to, NULL, 0);
3396 if (subject != NULL) {
3397 msg->cm_fields['U'] = strdup(subject);
3399 msg->cm_fields['M'] = strdup(text);
3401 CtdlSubmitMsg(msg, recp, room, 0);
3402 CtdlFreeMessage(msg);
3403 if (recp != NULL) free_recipients(recp);
3409 * Back end function used by CtdlMakeMessage() and similar functions
3411 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3413 size_t maxlen, /* maximum message length */
3414 char *exist, /* if non-null, append to it;
3415 exist is ALWAYS freed */
3416 int crlf, /* CRLF newlines instead of LF */
3417 int *sock /* socket handle or 0 for this session's client socket */
3426 LineBuf = NewStrBufPlain(NULL, SIZ);
3427 if (exist == NULL) {
3428 Message = NewStrBufPlain(NULL, 4 * SIZ);
3431 Message = NewStrBufPlain(exist, -1);
3435 /* Do we need to change leading ".." to "." for SMTP escaping? */
3436 if ((tlen == 1) && (*terminator == '.')) {
3440 /* read in the lines of message text one by one */
3443 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3448 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3450 if ((StrLength(LineBuf) == tlen) &&
3451 (!strcmp(ChrPtr(LineBuf), terminator)))
3454 if ( (!flushing) && (!finished) ) {
3456 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3459 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3462 /* Unescape SMTP-style input of two dots at the beginning of the line */
3464 (StrLength(LineBuf) == 2) &&
3465 (!strcmp(ChrPtr(LineBuf), "..")))
3467 StrBufCutLeft(LineBuf, 1);
3470 StrBufAppendBuf(Message, LineBuf, 0);
3473 /* if we've hit the max msg length, flush the rest */
3474 if (StrLength(Message) >= maxlen) flushing = 1;
3476 } while (!finished);
3477 FreeStrBuf(&LineBuf);
3483 * Back end function used by CtdlMakeMessage() and similar functions
3485 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3487 size_t maxlen, /* maximum message length */
3488 char *exist, /* if non-null, append to it;
3489 exist is ALWAYS freed */
3490 int crlf, /* CRLF newlines instead of LF */
3491 int *sock /* socket handle or 0 for this session's client socket */
3496 Message = CtdlReadMessageBodyBuf(terminator,
3502 if (Message == NULL)
3505 return SmashStrBuf(&Message);
3510 * Build a binary message to be saved on disk.
3511 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3512 * will become part of the message. This means you are no longer
3513 * responsible for managing that memory -- it will be freed along with
3514 * the rest of the fields when CtdlFreeMessage() is called.)
3517 struct CtdlMessage *CtdlMakeMessage(
3518 struct ctdluser *author, /* author's user structure */
3519 char *recipient, /* NULL if it's not mail */
3520 char *recp_cc, /* NULL if it's not mail */
3521 char *room, /* room where it's going */
3522 int type, /* see MES_ types in header file */
3523 int format_type, /* variformat, plain text, MIME... */
3524 char *fake_name, /* who we're masquerading as */
3525 char *my_email, /* which of my email addresses to use (empty is ok) */
3526 char *subject, /* Subject (optional) */
3527 char *supplied_euid, /* ...or NULL if this is irrelevant */
3528 char *preformatted_text, /* ...or NULL to read text from client */
3529 char *references /* Thread references */
3531 char dest_node[256];
3533 struct CtdlMessage *msg;
3535 StrBuf *FakeEncAuthor = NULL;
3537 msg = malloc(sizeof(struct CtdlMessage));
3538 memset(msg, 0, sizeof(struct CtdlMessage));
3539 msg->cm_magic = CTDLMESSAGE_MAGIC;
3540 msg->cm_anon_type = type;
3541 msg->cm_format_type = format_type;
3543 /* Don't confuse the poor folks if it's not routed mail. */
3544 strcpy(dest_node, "");
3546 if (recipient != NULL) striplt(recipient);
3547 if (recp_cc != NULL) striplt(recp_cc);
3549 /* Path or Return-Path */
3550 if (my_email == NULL) my_email = "";
3552 if (!IsEmptyStr(my_email)) {
3553 msg->cm_fields['P'] = strdup(my_email);
3556 snprintf(buf, sizeof buf, "%s", author->fullname);
3557 msg->cm_fields['P'] = strdup(buf);
3559 convert_spaces_to_underscores(msg->cm_fields['P']);
3561 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3562 msg->cm_fields['T'] = strdup(buf);
3564 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3565 FakeAuthor = NewStrBufPlain (fake_name, -1);
3568 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3570 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3571 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3572 FreeStrBuf(&FakeAuthor);
3574 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3575 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3578 msg->cm_fields['O'] = strdup(CC->room.QRname);
3581 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3582 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3584 if ((recipient != NULL) && (recipient[0] != 0)) {
3585 msg->cm_fields['R'] = strdup(recipient);
3587 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3588 msg->cm_fields['Y'] = strdup(recp_cc);
3590 if (dest_node[0] != 0) {
3591 msg->cm_fields['D'] = strdup(dest_node);
3594 if (!IsEmptyStr(my_email)) {
3595 msg->cm_fields['F'] = strdup(my_email);
3597 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3598 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3601 if (subject != NULL) {
3604 length = strlen(subject);
3610 while ((subject[i] != '\0') &&
3611 (IsAscii = isascii(subject[i]) != 0 ))
3614 msg->cm_fields['U'] = strdup(subject);
3615 else /* ok, we've got utf8 in the string. */
3617 msg->cm_fields['U'] = rfc2047encode(subject, length);
3623 if (supplied_euid != NULL) {
3624 msg->cm_fields['E'] = strdup(supplied_euid);
3627 if (references != NULL) {
3628 if (!IsEmptyStr(references)) {
3629 msg->cm_fields['W'] = strdup(references);
3633 if (preformatted_text != NULL) {
3634 msg->cm_fields['M'] = preformatted_text;
3637 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3645 * Check to see whether we have permission to post a message in the current
3646 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3647 * returns 0 on success.
3649 int CtdlDoIHavePermissionToPostInThisRoom(
3652 const char* RemoteIdentifier,
3658 if (!(CC->logged_in) &&
3659 (PostPublic == POST_LOGGED_IN)) {
3660 snprintf(errmsgbuf, n, "Not logged in.");
3661 return (ERROR + NOT_LOGGED_IN);
3663 else if (PostPublic == CHECK_EXISTANCE) {
3664 return (0); // We're Evaling whether a recipient exists
3666 else if (!(CC->logged_in)) {
3668 if ((CC->room.QRflags & QR_READONLY)) {
3669 snprintf(errmsgbuf, n, "Not logged in.");
3670 return (ERROR + NOT_LOGGED_IN);
3672 if (CC->room.QRflags2 & QR2_MODERATED) {
3673 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3674 return (ERROR + NOT_LOGGED_IN);
3676 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3681 if (RemoteIdentifier == NULL)
3683 snprintf(errmsgbuf, n, "Need sender to permit access.");
3684 return (ERROR + USERNAME_REQUIRED);
3687 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3688 begin_critical_section(S_NETCONFIGS);
3689 if (!read_spoolcontrol_file(&sc, filename))
3691 end_critical_section(S_NETCONFIGS);
3692 snprintf(errmsgbuf, n,
3693 "This mailing list only accepts posts from subscribers.");
3694 return (ERROR + NO_SUCH_USER);
3696 end_critical_section(S_NETCONFIGS);
3697 found = is_recipient (sc, RemoteIdentifier);
3698 free_spoolcontrol_struct(&sc);
3703 snprintf(errmsgbuf, n,
3704 "This mailing list only accepts posts from subscribers.");
3705 return (ERROR + NO_SUCH_USER);
3712 if ((CC->user.axlevel < AxProbU)
3713 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3714 snprintf(errmsgbuf, n, "Need to be validated to enter "
3715 "(except in %s> to sysop)", MAILROOM);
3716 return (ERROR + HIGHER_ACCESS_REQUIRED);
3719 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3721 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3723 * To be thorough, we ought to check to see if the message they are
3724 * replying to is actually a valid one in this room, but unless this
3725 * actually becomes a problem we'll go with high performance instead.
3727 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3728 return (ERROR + HIGHER_ACCESS_REQUIRED);
3731 else if (!(ra & UA_POSTALLOWED)) {
3732 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3733 return (ERROR + HIGHER_ACCESS_REQUIRED);
3736 strcpy(errmsgbuf, "Ok");
3742 * Check to see if the specified user has Internet mail permission
3743 * (returns nonzero if permission is granted)
3745 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3747 /* Do not allow twits to send Internet mail */
3748 if (who->axlevel <= AxProbU) return(0);
3750 /* Globally enabled? */
3751 if (config.c_restrict == 0) return(1);
3753 /* User flagged ok? */
3754 if (who->flags & US_INTERNET) return(2);
3756 /* Aide level access? */
3757 if (who->axlevel >= AxAideU) return(3);
3759 /* No mail for you! */
3765 * Validate recipients, count delivery types and errors, and handle aliasing
3766 * FIXME check for dupes!!!!!
3768 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3769 * were specified, or the number of addresses found invalid.
3771 * Caller needs to free the result using free_recipients()
3773 struct recptypes *validate_recipients(const char *supplied_recipients,
3774 const char *RemoteIdentifier,
3776 struct recptypes *ret;
3777 char *recipients = NULL;
3778 char this_recp[256];
3779 char this_recp_cooked[256];
3785 struct ctdluser tempUS;
3786 struct ctdlroom tempQR;
3787 struct ctdlroom tempQR2;
3793 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3794 if (ret == NULL) return(NULL);
3796 /* Set all strings to null and numeric values to zero */
3797 memset(ret, 0, sizeof(struct recptypes));
3799 if (supplied_recipients == NULL) {
3800 recipients = strdup("");
3803 recipients = strdup(supplied_recipients);
3806 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3807 * actually need, but it's healthier for the heap than doing lots of tiny
3808 * realloc() calls instead.
3811 ret->errormsg = malloc(strlen(recipients) + 1024);
3812 ret->recp_local = malloc(strlen(recipients) + 1024);
3813 ret->recp_internet = malloc(strlen(recipients) + 1024);
3814 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3815 ret->recp_room = malloc(strlen(recipients) + 1024);
3816 ret->display_recp = malloc(strlen(recipients) + 1024);
3818 ret->errormsg[0] = 0;
3819 ret->recp_local[0] = 0;
3820 ret->recp_internet[0] = 0;
3821 ret->recp_ignet[0] = 0;
3822 ret->recp_room[0] = 0;
3823 ret->display_recp[0] = 0;
3825 ret->recptypes_magic = RECPTYPES_MAGIC;
3827 /* Change all valid separator characters to commas */
3828 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3829 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3830 recipients[i] = ',';
3834 /* Now start extracting recipients... */
3836 while (!IsEmptyStr(recipients)) {
3838 for (i=0; i<=strlen(recipients); ++i) {
3839 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3840 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3841 safestrncpy(this_recp, recipients, i+1);
3843 if (recipients[i] == ',') {
3844 strcpy(recipients, &recipients[i+1]);
3847 strcpy(recipients, "");
3854 if (IsEmptyStr(this_recp))
3856 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3858 mailtype = alias(this_recp);
3859 mailtype = alias(this_recp);
3860 mailtype = alias(this_recp);
3862 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3863 if (this_recp[j]=='_') {
3864 this_recp_cooked[j] = ' ';
3867 this_recp_cooked[j] = this_recp[j];
3870 this_recp_cooked[j] = '\0';
3875 if (!strcasecmp(this_recp, "sysop")) {
3877 strcpy(this_recp, config.c_aideroom);
3878 if (!IsEmptyStr(ret->recp_room)) {
3879 strcat(ret->recp_room, "|");
3881 strcat(ret->recp_room, this_recp);
3883 else if ( (!strncasecmp(this_recp, "room_", 5))
3884 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3886 /* Save room so we can restore it later */
3890 /* Check permissions to send mail to this room */
3891 err = CtdlDoIHavePermissionToPostInThisRoom(
3896 0 /* 0 = not a reply */
3905 if (!IsEmptyStr(ret->recp_room)) {
3906 strcat(ret->recp_room, "|");
3908 strcat(ret->recp_room, &this_recp_cooked[5]);
3911 /* Restore room in case something needs it */
3915 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3917 strcpy(this_recp, tempUS.fullname);
3918 if (!IsEmptyStr(ret->recp_local)) {
3919 strcat(ret->recp_local, "|");
3921 strcat(ret->recp_local, this_recp);
3923 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3925 strcpy(this_recp, tempUS.fullname);
3926 if (!IsEmptyStr(ret->recp_local)) {
3927 strcat(ret->recp_local, "|");
3929 strcat(ret->recp_local, this_recp);
3937 /* Yes, you're reading this correctly: if the target
3938 * domain points back to the local system or an attached
3939 * Citadel directory, the address is invalid. That's
3940 * because if the address were valid, we would have
3941 * already translated it to a local address by now.
3943 if (IsDirectory(this_recp, 0)) {
3948 ++ret->num_internet;
3949 if (!IsEmptyStr(ret->recp_internet)) {
3950 strcat(ret->recp_internet, "|");
3952 strcat(ret->recp_internet, this_recp);
3957 if (!IsEmptyStr(ret->recp_ignet)) {
3958 strcat(ret->recp_ignet, "|");
3960 strcat(ret->recp_ignet, this_recp);
3968 if (IsEmptyStr(errmsg)) {
3969 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3972 snprintf(append, sizeof append, "%s", errmsg);
3974 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3975 if (!IsEmptyStr(ret->errormsg)) {
3976 strcat(ret->errormsg, "; ");
3978 strcat(ret->errormsg, append);
3982 if (IsEmptyStr(ret->display_recp)) {
3983 strcpy(append, this_recp);
3986 snprintf(append, sizeof append, ", %s", this_recp);
3988 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3989 strcat(ret->display_recp, append);
3994 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3995 ret->num_room + ret->num_error) == 0) {
3996 ret->num_error = (-1);
3997 strcpy(ret->errormsg, "No recipients specified.");
4000 syslog(LOG_DEBUG, "validate_recipients()\n");
4001 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4002 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4003 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4004 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4005 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4013 * Destructor for struct recptypes
4015 void free_recipients(struct recptypes *valid) {
4017 if (valid == NULL) {
4021 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4022 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4026 if (valid->errormsg != NULL) free(valid->errormsg);
4027 if (valid->recp_local != NULL) free(valid->recp_local);
4028 if (valid->recp_internet != NULL) free(valid->recp_internet);
4029 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4030 if (valid->recp_room != NULL) free(valid->recp_room);
4031 if (valid->display_recp != NULL) free(valid->display_recp);
4032 if (valid->bounce_to != NULL) free(valid->bounce_to);
4033 if (valid->envelope_from != NULL) free(valid->envelope_from);
4040 * message entry - mode 0 (normal)
4042 void cmd_ent0(char *entargs)
4048 char supplied_euid[128];
4050 int format_type = 0;
4051 char newusername[256];
4052 char newuseremail[256];
4053 struct CtdlMessage *msg;
4057 struct recptypes *valid = NULL;
4058 struct recptypes *valid_to = NULL;
4059 struct recptypes *valid_cc = NULL;
4060 struct recptypes *valid_bcc = NULL;
4062 int subject_required = 0;
4067 int newuseremail_ok = 0;
4068 char references[SIZ];
4073 post = extract_int(entargs, 0);
4074 extract_token(recp, entargs, 1, '|', sizeof recp);
4075 anon_flag = extract_int(entargs, 2);
4076 format_type = extract_int(entargs, 3);
4077 extract_token(subject, entargs, 4, '|', sizeof subject);
4078 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4079 do_confirm = extract_int(entargs, 6);
4080 extract_token(cc, entargs, 7, '|', sizeof cc);
4081 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4082 switch(CC->room.QRdefaultview) {
4085 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4088 supplied_euid[0] = 0;
4091 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4092 extract_token(references, entargs, 11, '|', sizeof references);
4093 for (ptr=references; *ptr != 0; ++ptr) {
4094 if (*ptr == '!') *ptr = '|';
4097 /* first check to make sure the request is valid. */
4099 err = CtdlDoIHavePermissionToPostInThisRoom(
4104 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4108 cprintf("%d %s\n", err, errmsg);
4112 /* Check some other permission type things. */
4114 if (IsEmptyStr(newusername)) {
4115 strcpy(newusername, CC->user.fullname);
4117 if ( (CC->user.axlevel < AxAideU)
4118 && (strcasecmp(newusername, CC->user.fullname))
4119 && (strcasecmp(newusername, CC->cs_inet_fn))
4121 cprintf("%d You don't have permission to author messages as '%s'.\n",
4122 ERROR + HIGHER_ACCESS_REQUIRED,
4129 if (IsEmptyStr(newuseremail)) {
4130 newuseremail_ok = 1;
4133 if (!IsEmptyStr(newuseremail)) {
4134 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4135 newuseremail_ok = 1;
4137 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4138 j = num_tokens(CC->cs_inet_other_emails, '|');
4139 for (i=0; i<j; ++i) {
4140 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4141 if (!strcasecmp(newuseremail, buf)) {
4142 newuseremail_ok = 1;
4148 if (!newuseremail_ok) {
4149 cprintf("%d You don't have permission to author messages as '%s'.\n",
4150 ERROR + HIGHER_ACCESS_REQUIRED,
4156 CC->cs_flags |= CS_POSTING;
4158 /* In mailbox rooms we have to behave a little differently --
4159 * make sure the user has specified at least one recipient. Then
4160 * validate the recipient(s). We do this for the Mail> room, as
4161 * well as any room which has the "Mailbox" view set - unless it
4162 * is the DRAFTS room which does not require recipients
4165 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4166 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4167 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4168 if (CC->user.axlevel < AxProbU) {
4169 strcpy(recp, "sysop");
4174 valid_to = validate_recipients(recp, NULL, 0);
4175 if (valid_to->num_error > 0) {
4176 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4177 free_recipients(valid_to);
4181 valid_cc = validate_recipients(cc, NULL, 0);
4182 if (valid_cc->num_error > 0) {
4183 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4184 free_recipients(valid_to);
4185 free_recipients(valid_cc);
4189 valid_bcc = validate_recipients(bcc, NULL, 0);
4190 if (valid_bcc->num_error > 0) {
4191 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4192 free_recipients(valid_to);
4193 free_recipients(valid_cc);
4194 free_recipients(valid_bcc);
4198 /* Recipient required, but none were specified */
4199 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4200 free_recipients(valid_to);
4201 free_recipients(valid_cc);
4202 free_recipients(valid_bcc);
4203 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4207 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4208 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4209 cprintf("%d You do not have permission "
4210 "to send Internet mail.\n",
4211 ERROR + HIGHER_ACCESS_REQUIRED);
4212 free_recipients(valid_to);
4213 free_recipients(valid_cc);
4214 free_recipients(valid_bcc);
4219 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)
4220 && (CC->user.axlevel < AxNetU) ) {
4221 cprintf("%d Higher access required for network mail.\n",
4222 ERROR + HIGHER_ACCESS_REQUIRED);
4223 free_recipients(valid_to);
4224 free_recipients(valid_cc);
4225 free_recipients(valid_bcc);
4229 if ((RESTRICT_INTERNET == 1)
4230 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4231 && ((CC->user.flags & US_INTERNET) == 0)
4232 && (!CC->internal_pgm)) {
4233 cprintf("%d You don't have access to Internet mail.\n",
4234 ERROR + HIGHER_ACCESS_REQUIRED);
4235 free_recipients(valid_to);
4236 free_recipients(valid_cc);
4237 free_recipients(valid_bcc);
4243 /* Is this a room which has anonymous-only or anonymous-option? */
4244 anonymous = MES_NORMAL;
4245 if (CC->room.QRflags & QR_ANONONLY) {
4246 anonymous = MES_ANONONLY;
4248 if (CC->room.QRflags & QR_ANONOPT) {
4249 if (anon_flag == 1) { /* only if the user requested it */
4250 anonymous = MES_ANONOPT;
4254 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4258 /* Recommend to the client that the use of a message subject is
4259 * strongly recommended in this room, if either the SUBJECTREQ flag
4260 * is set, or if there is one or more Internet email recipients.
4262 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4263 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4264 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4265 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4267 /* If we're only checking the validity of the request, return
4268 * success without creating the message.
4271 cprintf("%d %s|%d\n", CIT_OK,
4272 ((valid_to != NULL) ? valid_to->display_recp : ""),
4274 free_recipients(valid_to);
4275 free_recipients(valid_cc);
4276 free_recipients(valid_bcc);
4280 /* We don't need these anymore because we'll do it differently below */
4281 free_recipients(valid_to);
4282 free_recipients(valid_cc);
4283 free_recipients(valid_bcc);
4285 /* Read in the message from the client. */
4287 cprintf("%d send message\n", START_CHAT_MODE);
4289 cprintf("%d send message\n", SEND_LISTING);
4292 msg = CtdlMakeMessage(&CC->user, recp, cc,
4293 CC->room.QRname, anonymous, format_type,
4294 newusername, newuseremail, subject,
4295 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4298 /* Put together one big recipients struct containing to/cc/bcc all in
4299 * one. This is for the envelope.
4301 char *all_recps = malloc(SIZ * 3);
4302 strcpy(all_recps, recp);
4303 if (!IsEmptyStr(cc)) {
4304 if (!IsEmptyStr(all_recps)) {
4305 strcat(all_recps, ",");
4307 strcat(all_recps, cc);
4309 if (!IsEmptyStr(bcc)) {
4310 if (!IsEmptyStr(all_recps)) {
4311 strcat(all_recps, ",");
4313 strcat(all_recps, bcc);
4315 if (!IsEmptyStr(all_recps)) {
4316 valid = validate_recipients(all_recps, NULL, 0);
4324 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4327 cprintf("%ld\n", msgnum);
4329 cprintf("Message accepted.\n");
4332 cprintf("Internal error.\n");
4334 if (msg->cm_fields['E'] != NULL) {
4335 cprintf("%s\n", msg->cm_fields['E']);
4342 CtdlFreeMessage(msg);
4344 if (valid != NULL) {
4345 free_recipients(valid);
4353 * API function to delete messages which match a set of criteria
4354 * (returns the actual number of messages deleted)
4356 int CtdlDeleteMessages(char *room_name, /* which room */
4357 long *dmsgnums, /* array of msg numbers to be deleted */
4358 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4359 char *content_type /* or "" for any. regular expressions expected. */
4362 struct ctdlroom qrbuf;
4363 struct cdbdata *cdbfr;
4364 long *msglist = NULL;
4365 long *dellist = NULL;
4368 int num_deleted = 0;
4370 struct MetaData smi;
4373 int need_to_free_re = 0;
4375 if (content_type) if (!IsEmptyStr(content_type)) {
4376 regcomp(&re, content_type, 0);
4377 need_to_free_re = 1;
4379 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4380 room_name, num_dmsgnums, content_type);
4382 /* get room record, obtaining a lock... */
4383 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4384 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4386 if (need_to_free_re) regfree(&re);
4387 return (0); /* room not found */
4389 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4391 if (cdbfr != NULL) {
4392 dellist = malloc(cdbfr->len);
4393 msglist = (long *) cdbfr->ptr;
4394 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4395 num_msgs = cdbfr->len / sizeof(long);
4399 for (i = 0; i < num_msgs; ++i) {
4402 /* Set/clear a bit for each criterion */
4404 /* 0 messages in the list or a null list means that we are
4405 * interested in deleting any messages which meet the other criteria.
4407 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4408 delete_this |= 0x01;
4411 for (j=0; j<num_dmsgnums; ++j) {
4412 if (msglist[i] == dmsgnums[j]) {
4413 delete_this |= 0x01;
4418 if (IsEmptyStr(content_type)) {
4419 delete_this |= 0x02;
4421 GetMetaData(&smi, msglist[i]);
4422 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4423 delete_this |= 0x02;
4427 /* Delete message only if all bits are set */
4428 if (delete_this == 0x03) {
4429 dellist[num_deleted++] = msglist[i];
4434 num_msgs = sort_msglist(msglist, num_msgs);
4435 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4436 msglist, (int)(num_msgs * sizeof(long)));
4439 qrbuf.QRhighest = msglist[num_msgs - 1];
4441 qrbuf.QRhighest = 0;
4443 CtdlPutRoomLock(&qrbuf);
4445 /* Go through the messages we pulled out of the index, and decrement
4446 * their reference counts by 1. If this is the only room the message
4447 * was in, the reference count will reach zero and the message will
4448 * automatically be deleted from the database. We do this in a
4449 * separate pass because there might be plug-in hooks getting called,
4450 * and we don't want that happening during an S_ROOMS critical
4453 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4454 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4455 AdjRefCount(dellist[i], -1);
4458 /* Now free the memory we used, and go away. */
4459 if (msglist != NULL) free(msglist);
4460 if (dellist != NULL) free(dellist);
4461 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4462 if (need_to_free_re) regfree(&re);
4463 return (num_deleted);
4469 * Check whether the current user has permission to delete messages from
4470 * the current room (returns 1 for yes, 0 for no)
4472 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4474 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4475 if (ra & UA_DELETEALLOWED) return(1);
4483 * Delete message from current room
4485 void cmd_dele(char *args)
4494 extract_token(msgset, args, 0, '|', sizeof msgset);
4495 num_msgs = num_tokens(msgset, ',');
4497 cprintf("%d Nothing to do.\n", CIT_OK);
4501 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4502 cprintf("%d Higher access required.\n",
4503 ERROR + HIGHER_ACCESS_REQUIRED);
4508 * Build our message set to be moved/copied
4510 msgs = malloc(num_msgs * sizeof(long));
4511 for (i=0; i<num_msgs; ++i) {
4512 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4513 msgs[i] = atol(msgtok);
4516 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4520 cprintf("%d %d message%s deleted.\n", CIT_OK,
4521 num_deleted, ((num_deleted != 1) ? "s" : ""));
4523 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4531 * move or copy a message to another room
4533 void cmd_move(char *args)
4540 char targ[ROOMNAMELEN];
4541 struct ctdlroom qtemp;
4548 extract_token(msgset, args, 0, '|', sizeof msgset);
4549 num_msgs = num_tokens(msgset, ',');
4551 cprintf("%d Nothing to do.\n", CIT_OK);
4555 extract_token(targ, args, 1, '|', sizeof targ);
4556 convert_room_name_macros(targ, sizeof targ);
4557 targ[ROOMNAMELEN - 1] = 0;
4558 is_copy = extract_int(args, 2);
4560 if (CtdlGetRoom(&qtemp, targ) != 0) {
4561 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4565 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4566 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4570 CtdlGetUser(&CC->user, CC->curr_user);
4571 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4573 /* Check for permission to perform this operation.
4574 * Remember: "CC->room" is source, "qtemp" is target.
4578 /* Aides can move/copy */
4579 if (CC->user.axlevel >= AxAideU) permit = 1;
4581 /* Room aides can move/copy */
4582 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4584 /* Permit move/copy from personal rooms */
4585 if ((CC->room.QRflags & QR_MAILBOX)
4586 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4588 /* Permit only copy from public to personal room */
4590 && (!(CC->room.QRflags & QR_MAILBOX))
4591 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4593 /* Permit message removal from collaborative delete rooms */
4594 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4596 /* Users allowed to post into the target room may move into it too. */
4597 if ((CC->room.QRflags & QR_MAILBOX) &&
4598 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4600 /* User must have access to target room */
4601 if (!(ra & UA_KNOWN)) permit = 0;
4604 cprintf("%d Higher access required.\n",
4605 ERROR + HIGHER_ACCESS_REQUIRED);
4610 * Build our message set to be moved/copied
4612 msgs = malloc(num_msgs * sizeof(long));
4613 for (i=0; i<num_msgs; ++i) {
4614 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4615 msgs[i] = atol(msgtok);
4621 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4623 cprintf("%d Cannot store message(s) in %s: error %d\n",
4629 /* Now delete the message from the source room,
4630 * if this is a 'move' rather than a 'copy' operation.
4633 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4637 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4643 * GetMetaData() - Get the supplementary record for a message
4645 void GetMetaData(struct MetaData *smibuf, long msgnum)
4648 struct cdbdata *cdbsmi;
4651 memset(smibuf, 0, sizeof(struct MetaData));
4652 smibuf->meta_msgnum = msgnum;
4653 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4655 /* Use the negative of the message number for its supp record index */
4656 TheIndex = (0L - msgnum);
4658 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4659 if (cdbsmi == NULL) {
4660 return; /* record not found; go with defaults */
4662 memcpy(smibuf, cdbsmi->ptr,
4663 ((cdbsmi->len > sizeof(struct MetaData)) ?
4664 sizeof(struct MetaData) : cdbsmi->len));
4671 * PutMetaData() - (re)write supplementary record for a message
4673 void PutMetaData(struct MetaData *smibuf)
4677 /* Use the negative of the message number for the metadata db index */
4678 TheIndex = (0L - smibuf->meta_msgnum);
4680 cdb_store(CDB_MSGMAIN,
4681 &TheIndex, (int)sizeof(long),
4682 smibuf, (int)sizeof(struct MetaData));
4687 * AdjRefCount - submit an adjustment to the reference count for a message.
4688 * (These are just queued -- we actually process them later.)
4690 void AdjRefCount(long msgnum, int incr)
4692 struct arcq new_arcq;
4695 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4699 begin_critical_section(S_SUPPMSGMAIN);
4700 if (arcfp == NULL) {
4701 arcfp = fopen(file_arcq, "ab+");
4703 end_critical_section(S_SUPPMSGMAIN);
4705 /* msgnum < 0 means that we're trying to close the file */
4707 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4708 begin_critical_section(S_SUPPMSGMAIN);
4709 if (arcfp != NULL) {
4713 end_critical_section(S_SUPPMSGMAIN);
4718 * If we can't open the queue, perform the operation synchronously.
4720 if (arcfp == NULL) {
4721 TDAP_AdjRefCount(msgnum, incr);
4725 new_arcq.arcq_msgnum = msgnum;
4726 new_arcq.arcq_delta = incr;
4727 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4735 * TDAP_ProcessAdjRefCountQueue()
4737 * Process the queue of message count adjustments that was created by calls
4738 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4739 * for each one. This should be an "off hours" operation.
4741 int TDAP_ProcessAdjRefCountQueue(void)
4743 char file_arcq_temp[PATH_MAX];
4746 struct arcq arcq_rec;
4747 int num_records_processed = 0;
4749 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4751 begin_critical_section(S_SUPPMSGMAIN);
4752 if (arcfp != NULL) {
4757 r = link(file_arcq, file_arcq_temp);
4759 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4760 end_critical_section(S_SUPPMSGMAIN);
4761 return(num_records_processed);
4765 end_critical_section(S_SUPPMSGMAIN);
4767 fp = fopen(file_arcq_temp, "rb");
4769 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4770 return(num_records_processed);
4773 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4774 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4775 ++num_records_processed;
4779 r = unlink(file_arcq_temp);
4781 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4784 return(num_records_processed);
4790 * TDAP_AdjRefCount - adjust the reference count for a message.
4791 * This one does it "for real" because it's called by
4792 * the autopurger function that processes the queue
4793 * created by AdjRefCount(). If a message's reference
4794 * count becomes zero, we also delete the message from
4795 * disk and de-index it.
4797 void TDAP_AdjRefCount(long msgnum, int incr)
4800 struct MetaData smi;
4803 /* This is a *tight* critical section; please keep it that way, as
4804 * it may get called while nested in other critical sections.
4805 * Complicating this any further will surely cause deadlock!
4807 begin_critical_section(S_SUPPMSGMAIN);
4808 GetMetaData(&smi, msgnum);
4809 smi.meta_refcount += incr;
4811 end_critical_section(S_SUPPMSGMAIN);
4812 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4813 msgnum, incr, smi.meta_refcount
4816 /* If the reference count is now zero, delete the message
4817 * (and its supplementary record as well).
4819 if (smi.meta_refcount == 0) {
4820 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4822 /* Call delete hooks with NULL room to show it has gone altogether */
4823 PerformDeleteHooks(NULL, msgnum);
4825 /* Remove from message base */
4827 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4828 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4830 /* Remove metadata record */
4831 delnum = (0L - msgnum);
4832 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4838 * Write a generic object to this room
4840 * Note: this could be much more efficient. Right now we use two temporary
4841 * files, and still pull the message into memory as with all others.
4843 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4844 char *content_type, /* MIME type of this object */
4845 char *raw_message, /* Data to be written */
4846 off_t raw_length, /* Size of raw_message */
4847 struct ctdluser *is_mailbox, /* Mailbox room? */
4848 int is_binary, /* Is encoding necessary? */
4849 int is_unique, /* Del others of this type? */
4850 unsigned int flags /* Internal save flags */
4854 struct ctdlroom qrbuf;
4855 char roomname[ROOMNAMELEN];
4856 struct CtdlMessage *msg;
4857 char *encoded_message = NULL;
4859 if (is_mailbox != NULL) {
4860 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4863 safestrncpy(roomname, req_room, sizeof(roomname));
4866 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4869 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4872 encoded_message = malloc((size_t)(raw_length + 4096));
4875 sprintf(encoded_message, "Content-type: %s\n", content_type);
4878 sprintf(&encoded_message[strlen(encoded_message)],
4879 "Content-transfer-encoding: base64\n\n"
4883 sprintf(&encoded_message[strlen(encoded_message)],
4884 "Content-transfer-encoding: 7bit\n\n"
4890 &encoded_message[strlen(encoded_message)],
4898 &encoded_message[strlen(encoded_message)],
4904 syslog(LOG_DEBUG, "Allocating\n");
4905 msg = malloc(sizeof(struct CtdlMessage));
4906 memset(msg, 0, sizeof(struct CtdlMessage));
4907 msg->cm_magic = CTDLMESSAGE_MAGIC;
4908 msg->cm_anon_type = MES_NORMAL;
4909 msg->cm_format_type = 4;
4910 msg->cm_fields['A'] = strdup(CC->user.fullname);
4911 msg->cm_fields['O'] = strdup(req_room);
4912 msg->cm_fields['N'] = strdup(config.c_nodename);
4913 msg->cm_fields['H'] = strdup(config.c_humannode);
4914 msg->cm_flags = flags;
4916 msg->cm_fields['M'] = encoded_message;
4918 /* Create the requested room if we have to. */
4919 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4920 CtdlCreateRoom(roomname,
4921 ( (is_mailbox != NULL) ? 5 : 3 ),
4922 "", 0, 1, 0, VIEW_BBS);
4924 /* If the caller specified this object as unique, delete all
4925 * other objects of this type that are currently in the room.
4928 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
4929 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4932 /* Now write the data */
4933 CtdlSubmitMsg(msg, NULL, roomname, 0);
4934 CtdlFreeMessage(msg);
4942 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4943 config_msgnum = msgnum;
4947 char *CtdlGetSysConfig(char *sysconfname) {
4948 char hold_rm[ROOMNAMELEN];
4951 struct CtdlMessage *msg;
4954 strcpy(hold_rm, CC->room.QRname);
4955 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4956 CtdlGetRoom(&CC->room, hold_rm);
4961 /* We want the last (and probably only) config in this room */
4962 begin_critical_section(S_CONFIG);
4963 config_msgnum = (-1L);
4964 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4965 CtdlGetSysConfigBackend, NULL);
4966 msgnum = config_msgnum;
4967 end_critical_section(S_CONFIG);
4973 msg = CtdlFetchMessage(msgnum, 1);
4975 conf = strdup(msg->cm_fields['M']);
4976 CtdlFreeMessage(msg);
4983 CtdlGetRoom(&CC->room, hold_rm);
4985 if (conf != NULL) do {
4986 extract_token(buf, conf, 0, '\n', sizeof buf);
4987 strcpy(conf, &conf[strlen(buf)+1]);
4988 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4994 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4995 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5000 * Determine whether a given Internet address belongs to the current user
5002 int CtdlIsMe(char *addr, int addr_buf_len)
5004 struct recptypes *recp;
5007 recp = validate_recipients(addr, NULL, 0);
5008 if (recp == NULL) return(0);
5010 if (recp->num_local == 0) {
5011 free_recipients(recp);
5015 for (i=0; i<recp->num_local; ++i) {
5016 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5017 if (!strcasecmp(addr, CC->user.fullname)) {
5018 free_recipients(recp);
5023 free_recipients(recp);
5029 * Citadel protocol command to do the same
5031 void cmd_isme(char *argbuf) {
5034 if (CtdlAccessCheck(ac_logged_in)) return;
5035 extract_token(addr, argbuf, 0, '|', sizeof addr);
5037 if (CtdlIsMe(addr, sizeof addr)) {
5038 cprintf("%d %s\n", CIT_OK, addr);
5041 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5047 /*****************************************************************************/
5048 /* MODULE INITIALIZATION STUFF */
5049 /*****************************************************************************/
5051 CTDL_MODULE_INIT(msgbase)
5054 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5055 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5056 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5057 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5058 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5059 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5060 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5061 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5062 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5063 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5064 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5065 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5068 /* return our Subversion id for the Log */