2 * Implements the message store.
4 * Copyright (c) 1987-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #if TIME_WITH_SYS_TIME
28 # include <sys/time.h>
32 # include <sys/time.h>
45 #include <sys/types.h>
47 #include <libcitadel.h>
50 #include "serv_extensions.h"
54 #include "sysdep_decls.h"
55 #include "citserver.h"
62 #include "internet_addressing.h"
63 #include "euidindex.h"
64 #include "journaling.h"
65 #include "citadel_dirs.h"
66 #include "clientsocket.h"
67 #include "serv_network.h"
70 #include "ctdl_module.h"
73 struct addresses_to_be_filed *atbf = NULL;
75 /* This temp file holds the queue of operations for AdjRefCount() */
76 static FILE *arcfp = NULL;
79 * This really belongs in serv_network.c, but I don't know how to export
80 * symbols between modules.
82 struct FilterList *filterlist = NULL;
86 * These are the four-character field headers we use when outputting
87 * messages in Citadel format (as opposed to RFC822 format).
90 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
91 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
92 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
93 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
96 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
126 * This function is self explanatory.
127 * (What can I say, I'm in a weird mood today...)
129 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
133 for (i = 0; i < strlen(name); ++i) {
134 if (name[i] == '@') {
135 while (isspace(name[i - 1]) && i > 0) {
136 strcpy(&name[i - 1], &name[i]);
139 while (isspace(name[i + 1])) {
140 strcpy(&name[i + 1], &name[i + 2]);
148 * Aliasing for network mail.
149 * (Error messages have been commented out, because this is a server.)
151 int alias(char *name)
152 { /* process alias and routing info for mail */
155 char aaa[SIZ], bbb[SIZ];
156 char *ignetcfg = NULL;
157 char *ignetmap = NULL;
163 char original_name[256];
164 safestrncpy(original_name, name, sizeof original_name);
167 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
168 stripallbut(name, '<', '>');
170 fp = fopen(file_mail_aliases, "r");
172 fp = fopen("/dev/null", "r");
179 while (fgets(aaa, sizeof aaa, fp) != NULL) {
180 while (isspace(name[0]))
181 strcpy(name, &name[1]);
182 aaa[strlen(aaa) - 1] = 0;
184 for (a = 0; a < strlen(aaa); ++a) {
186 strcpy(bbb, &aaa[a + 1]);
190 if (!strcasecmp(name, aaa))
195 /* Hit the Global Address Book */
196 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
200 if (strcasecmp(original_name, name)) {
201 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
204 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
205 for (a=0; a<strlen(name); ++a) {
206 if (name[a] == '@') {
207 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
209 syslog(LOG_INFO, "Changed to <%s>\n", name);
214 /* determine local or remote type, see citadel.h */
215 at = haschar(name, '@');
216 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
217 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
218 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
220 /* figure out the delivery mode */
221 extract_token(node, name, 1, '@', sizeof node);
223 /* If there are one or more dots in the nodename, we assume that it
224 * is an FQDN and will attempt SMTP delivery to the Internet.
226 if (haschar(node, '.') > 0) {
227 return(MES_INTERNET);
230 /* Otherwise we look in the IGnet maps for a valid Citadel node.
231 * Try directly-connected nodes first...
233 ignetcfg = CtdlGetSysConfig(IGNETCFG);
234 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
235 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
236 extract_token(testnode, buf, 0, '|', sizeof testnode);
237 if (!strcasecmp(node, testnode)) {
245 * Then try nodes that are two or more hops away.
247 ignetmap = CtdlGetSysConfig(IGNETMAP);
248 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
249 extract_token(buf, ignetmap, i, '\n', sizeof buf);
250 extract_token(testnode, buf, 0, '|', sizeof testnode);
251 if (!strcasecmp(node, testnode)) {
258 /* If we get to this point it's an invalid node name */
264 * Back end for the MSGS command: output message number only.
266 void simple_listing(long msgnum, void *userdata)
268 cprintf("%ld\n", msgnum);
274 * Back end for the MSGS command: output header summary.
276 void headers_listing(long msgnum, void *userdata)
278 struct CtdlMessage *msg;
280 msg = CtdlFetchMessage(msgnum, 0);
282 cprintf("%ld|0|||||\n", msgnum);
286 cprintf("%ld|%s|%s|%s|%s|%s|\n",
288 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
289 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
290 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
291 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
292 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
294 CtdlFreeMessage(msg);
298 * Back end for the MSGS command: output EUID header.
300 void headers_euid(long msgnum, void *userdata)
302 struct CtdlMessage *msg;
304 msg = CtdlFetchMessage(msgnum, 0);
306 cprintf("%ld||\n", msgnum);
310 cprintf("%ld|%s|%s\n",
312 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
313 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
314 CtdlFreeMessage(msg);
321 /* Determine if a given message matches the fields in a message template.
322 * Return 0 for a successful match.
324 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
327 /* If there aren't any fields in the template, all messages will
330 if (template == NULL) return(0);
332 /* Null messages are bogus. */
333 if (msg == NULL) return(1);
335 for (i='A'; i<='Z'; ++i) {
336 if (template->cm_fields[i] != NULL) {
337 if (msg->cm_fields[i] == NULL) {
338 /* Considered equal if temmplate is empty string */
339 if (IsEmptyStr(template->cm_fields[i])) continue;
342 if (strcasecmp(msg->cm_fields[i],
343 template->cm_fields[i])) return 1;
347 /* All compares succeeded: we have a match! */
354 * Retrieve the "seen" message list for the current room.
356 void CtdlGetSeen(char *buf, int which_set) {
359 /* Learn about the user and room in question */
360 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
362 if (which_set == ctdlsetseen_seen)
363 safestrncpy(buf, vbuf.v_seen, SIZ);
364 if (which_set == ctdlsetseen_answered)
365 safestrncpy(buf, vbuf.v_answered, SIZ);
371 * Manipulate the "seen msgs" string (or other message set strings)
373 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
374 int target_setting, int which_set,
375 struct ctdluser *which_user, struct ctdlroom *which_room) {
376 struct cdbdata *cdbfr;
390 char *is_set; /* actually an array of booleans */
392 /* Don't bother doing *anything* if we were passed a list of zero messages */
393 if (num_target_msgnums < 1) {
397 /* If no room was specified, we go with the current room. */
399 which_room = &CC->room;
402 /* If no user was specified, we go with the current user. */
404 which_user = &CC->user;
407 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
408 num_target_msgnums, target_msgnums[0],
409 (target_setting ? "SET" : "CLEAR"),
413 /* Learn about the user and room in question */
414 CtdlGetRelationship(&vbuf, which_user, which_room);
416 /* Load the message list */
417 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
419 msglist = (long *) cdbfr->ptr;
420 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
421 num_msgs = cdbfr->len / sizeof(long);
424 return; /* No messages at all? No further action. */
427 is_set = malloc(num_msgs * sizeof(char));
428 memset(is_set, 0, (num_msgs * sizeof(char)) );
430 /* Decide which message set we're manipulating */
432 case ctdlsetseen_seen:
433 vset = NewStrBufPlain(vbuf.v_seen, -1);
435 case ctdlsetseen_answered:
436 vset = NewStrBufPlain(vbuf.v_answered, -1);
443 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
444 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
445 for (i=0; i<num_msgs; ++i) {
446 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
448 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
449 for (k=0; k<num_target_msgnums; ++k) {
450 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
454 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
456 /* Translate the existing sequence set into an array of booleans */
457 setstr = NewStrBuf();
461 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
463 StrBufExtract_token(lostr, setstr, 0, ':');
464 if (StrBufNum_tokens(setstr, ':') >= 2) {
465 StrBufExtract_token(histr, setstr, 1, ':');
469 StrBufAppendBuf(histr, lostr, 0);
472 if (!strcmp(ChrPtr(histr), "*")) {
479 for (i = 0; i < num_msgs; ++i) {
480 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
490 /* Now translate the array of booleans back into a sequence set */
496 for (i=0; i<num_msgs; ++i) {
500 for (k=0; k<num_target_msgnums; ++k) {
501 if (msglist[i] == target_msgnums[k]) {
502 is_seen = target_setting;
506 if ((was_seen == 0) && (is_seen == 1)) {
509 else if ((was_seen == 1) && (is_seen == 0)) {
512 if (StrLength(vset) > 0) {
513 StrBufAppendBufPlain(vset, HKEY(","), 0);
516 StrBufAppendPrintf(vset, "%ld", hi);
519 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
523 if ((is_seen) && (i == num_msgs - 1)) {
524 if (StrLength(vset) > 0) {
525 StrBufAppendBufPlain(vset, HKEY(","), 0);
527 if ((i==0) || (was_seen == 0)) {
528 StrBufAppendPrintf(vset, "%ld", msglist[i]);
531 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
539 * We will have to stuff this string back into a 4096 byte buffer, so if it's
540 * larger than that now, truncate it by removing tokens from the beginning.
541 * The limit of 100 iterations is there to prevent an infinite loop in case
542 * something unexpected happens.
544 int number_of_truncations = 0;
545 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
546 StrBufRemove_token(vset, 0, ',');
547 ++number_of_truncations;
551 * If we're truncating the sequence set of messages marked with the 'seen' flag,
552 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
553 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
555 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
557 first_tok = NewStrBuf();
558 StrBufExtract_token(first_tok, vset, 0, ',');
559 StrBufRemove_token(vset, 0, ',');
561 if (StrBufNum_tokens(first_tok, ':') > 1) {
562 StrBufRemove_token(first_tok, 0, ':');
566 new_set = NewStrBuf();
567 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
568 StrBufAppendBuf(new_set, first_tok, 0);
569 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
570 StrBufAppendBuf(new_set, vset, 0);
573 FreeStrBuf(&first_tok);
577 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
579 /* Decide which message set we're manipulating */
581 case ctdlsetseen_seen:
582 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
584 case ctdlsetseen_answered:
585 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
591 CtdlSetRelationship(&vbuf, which_user, which_room);
597 * API function to perform an operation for each qualifying message in the
598 * current room. (Returns the number of messages processed.)
600 int CtdlForEachMessage(int mode, long ref, char *search_string,
602 struct CtdlMessage *compare,
603 ForEachMsgCallback CallBack,
609 struct cdbdata *cdbfr;
610 long *msglist = NULL;
612 int num_processed = 0;
615 struct CtdlMessage *msg = NULL;
618 int printed_lastold = 0;
619 int num_search_msgs = 0;
620 long *search_msgs = NULL;
622 int need_to_free_re = 0;
625 if ((content_type) && (!IsEmptyStr(content_type))) {
626 regcomp(&re, content_type, 0);
630 /* Learn about the user and room in question */
631 CtdlGetUser(&CC->user, CC->curr_user);
632 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
634 /* Load the message list */
635 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
637 if (need_to_free_re) regfree(&re);
638 return 0; /* No messages at all? No further action. */
641 msglist = (long *) cdbfr->ptr;
642 num_msgs = cdbfr->len / sizeof(long);
644 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
645 cdb_free(cdbfr); /* we own this memory now */
648 * We cache the most recent msglist in order to do security checks later
650 if (CC->client_socket > 0) {
651 if (CC->cached_msglist != NULL) {
652 free(CC->cached_msglist);
655 CC->cached_msglist = msglist;
656 CC->cached_num_msgs = num_msgs;
660 * Now begin the traversal.
662 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
664 /* If the caller is looking for a specific MIME type, filter
665 * out all messages which are not of the type requested.
667 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
669 /* This call to GetMetaData() sits inside this loop
670 * so that we only do the extra database read per msg
671 * if we need to. Doing the extra read all the time
672 * really kills the server. If we ever need to use
673 * metadata for another search criterion, we need to
674 * move the read somewhere else -- but still be smart
675 * enough to only do the read if the caller has
676 * specified something that will need it.
678 GetMetaData(&smi, msglist[a]);
680 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
681 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
687 num_msgs = sort_msglist(msglist, num_msgs);
689 /* If a template was supplied, filter out the messages which
690 * don't match. (This could induce some delays!)
693 if (compare != NULL) {
694 for (a = 0; a < num_msgs; ++a) {
695 msg = CtdlFetchMessage(msglist[a], 1);
697 if (CtdlMsgCmp(msg, compare)) {
700 CtdlFreeMessage(msg);
706 /* If a search string was specified, get a message list from
707 * the full text index and remove messages which aren't on both
711 * Since the lists are sorted and strictly ascending, and the
712 * output list is guaranteed to be shorter than or equal to the
713 * input list, we overwrite the bottom of the input list. This
714 * eliminates the need to memmove big chunks of the list over and
717 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
719 /* Call search module via hook mechanism.
720 * NULL means use any search function available.
721 * otherwise replace with a char * to name of search routine
723 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
725 if (num_search_msgs > 0) {
729 orig_num_msgs = num_msgs;
731 for (i=0; i<orig_num_msgs; ++i) {
732 for (j=0; j<num_search_msgs; ++j) {
733 if (msglist[i] == search_msgs[j]) {
734 msglist[num_msgs++] = msglist[i];
740 num_msgs = 0; /* No messages qualify */
742 if (search_msgs != NULL) free(search_msgs);
744 /* Now that we've purged messages which don't contain the search
745 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
752 * Now iterate through the message list, according to the
753 * criteria supplied by the caller.
756 for (a = 0; a < num_msgs; ++a) {
757 thismsg = msglist[a];
758 if (mode == MSGS_ALL) {
762 is_seen = is_msg_in_sequence_set(
763 vbuf.v_seen, thismsg);
764 if (is_seen) lastold = thismsg;
770 || ((mode == MSGS_OLD) && (is_seen))
771 || ((mode == MSGS_NEW) && (!is_seen))
772 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
773 || ((mode == MSGS_FIRST) && (a < ref))
774 || ((mode == MSGS_GT) && (thismsg > ref))
775 || ((mode == MSGS_LT) && (thismsg < ref))
776 || ((mode == MSGS_EQ) && (thismsg == ref))
779 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
781 CallBack(lastold, userdata);
785 if (CallBack) CallBack(thismsg, userdata);
789 if (need_to_free_re) regfree(&re);
790 if (CC->client_socket <= 0) free(msglist);
791 return num_processed;
797 * cmd_msgs() - get list of message #'s in this room
798 * implements the MSGS server command using CtdlForEachMessage()
800 void cmd_msgs(char *cmdbuf)
809 int with_template = 0;
810 struct CtdlMessage *template = NULL;
811 char search_string[1024];
812 ForEachMsgCallback CallBack;
814 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
816 extract_token(which, cmdbuf, 0, '|', sizeof which);
817 cm_ref = extract_int(cmdbuf, 1);
818 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
819 with_template = extract_int(cmdbuf, 2);
820 switch (extract_int(cmdbuf, 3))
824 CallBack = simple_listing;
827 CallBack = headers_listing;
830 CallBack = headers_euid;
835 if (!strncasecmp(which, "OLD", 3))
837 else if (!strncasecmp(which, "NEW", 3))
839 else if (!strncasecmp(which, "FIRST", 5))
841 else if (!strncasecmp(which, "LAST", 4))
843 else if (!strncasecmp(which, "GT", 2))
845 else if (!strncasecmp(which, "LT", 2))
847 else if (!strncasecmp(which, "SEARCH", 6))
852 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
853 cprintf("%d Full text index is not enabled on this server.\n",
854 ERROR + CMD_NOT_SUPPORTED);
860 cprintf("%d Send template then receive message list\n",
862 template = (struct CtdlMessage *)
863 malloc(sizeof(struct CtdlMessage));
864 memset(template, 0, sizeof(struct CtdlMessage));
865 template->cm_magic = CTDLMESSAGE_MAGIC;
866 template->cm_anon_type = MES_NORMAL;
868 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
869 extract_token(tfield, buf, 0, '|', sizeof tfield);
870 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
871 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
872 if (!strcasecmp(tfield, msgkeys[i])) {
873 template->cm_fields[i] =
881 cprintf("%d \n", LISTING_FOLLOWS);
884 CtdlForEachMessage(mode,
885 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
886 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
891 if (template != NULL) CtdlFreeMessage(template);
899 * help_subst() - support routine for help file viewer
901 void help_subst(char *strbuf, char *source, char *dest)
906 while (p = pattern2(strbuf, source), (p >= 0)) {
907 strcpy(workbuf, &strbuf[p + strlen(source)]);
908 strcpy(&strbuf[p], dest);
909 strcat(strbuf, workbuf);
914 void do_help_subst(char *buffer)
918 help_subst(buffer, "^nodename", config.c_nodename);
919 help_subst(buffer, "^humannode", config.c_humannode);
920 help_subst(buffer, "^fqdn", config.c_fqdn);
921 help_subst(buffer, "^username", CC->user.fullname);
922 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
923 help_subst(buffer, "^usernum", buf2);
924 help_subst(buffer, "^sysadm", config.c_sysadm);
925 help_subst(buffer, "^variantname", CITADEL);
926 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
927 help_subst(buffer, "^maxsessions", buf2);
928 help_subst(buffer, "^bbsdir", ctdl_message_dir);
934 * memfmout() - Citadel text formatter and paginator.
935 * Although the original purpose of this routine was to format
936 * text to the reader's screen width, all we're really using it
937 * for here is to format text out to 80 columns before sending it
938 * to the client. The client software may reformat it again.
941 char *mptr, /* where are we going to get our text from? */
942 const char *nl /* string to terminate lines with */
945 unsigned char ch = 0;
952 while (ch=*(mptr++), ch != 0) {
955 client_write(outbuf, len);
957 client_write(nl, nllen);
960 else if (ch == '\r') {
961 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
963 else if (isspace(ch)) {
964 if (column > 72) { /* Beyond 72 columns, break on the next space */
965 client_write(outbuf, len);
967 client_write(nl, nllen);
978 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
979 client_write(outbuf, len);
981 client_write(nl, nllen);
987 client_write(outbuf, len);
989 client_write(nl, nllen);
997 * Callback function for mime parser that simply lists the part
999 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1000 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1001 char *cbid, void *cbuserdata)
1005 ma = (struct ma_info *)cbuserdata;
1006 if (ma->is_ma == 0) {
1007 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1020 * Callback function for multipart prefix
1022 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1023 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1024 char *cbid, void *cbuserdata)
1028 ma = (struct ma_info *)cbuserdata;
1029 if (!strcasecmp(cbtype, "multipart/alternative")) {
1033 if (ma->is_ma == 0) {
1034 cprintf("pref=%s|%s\n", partnum, cbtype);
1039 * Callback function for multipart sufffix
1041 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1042 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1043 char *cbid, void *cbuserdata)
1047 ma = (struct ma_info *)cbuserdata;
1048 if (ma->is_ma == 0) {
1049 cprintf("suff=%s|%s\n", partnum, cbtype);
1051 if (!strcasecmp(cbtype, "multipart/alternative")) {
1058 * Callback function for mime parser that opens a section for downloading
1060 void mime_download(char *name, char *filename, char *partnum, char *disp,
1061 void *content, char *cbtype, char *cbcharset, size_t length,
1062 char *encoding, char *cbid, void *cbuserdata)
1066 /* Silently go away if there's already a download open. */
1067 if (CC->download_fp != NULL)
1071 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1072 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1074 CC->download_fp = tmpfile();
1075 if (CC->download_fp == NULL)
1078 rv = fwrite(content, length, 1, CC->download_fp);
1079 fflush(CC->download_fp);
1080 rewind(CC->download_fp);
1082 OpenCmdResult(filename, cbtype);
1089 * Callback function for mime parser that outputs a section all at once.
1090 * We can specify the desired section by part number *or* content-id.
1092 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1093 void *content, char *cbtype, char *cbcharset, size_t length,
1094 char *encoding, char *cbid, void *cbuserdata)
1096 int *found_it = (int *)cbuserdata;
1099 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1100 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1103 cprintf("%d %d|-1|%s|%s|%s\n",
1110 client_write(content, length);
1116 * Load a message from disk into memory.
1117 * This is used by CtdlOutputMsg() and other fetch functions.
1119 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1120 * using the CtdlMessageFree() function.
1122 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1124 struct cdbdata *dmsgtext;
1125 struct CtdlMessage *ret = NULL;
1129 cit_uint8_t field_header;
1131 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1132 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1133 if (dmsgtext == NULL) {
1136 mptr = dmsgtext->ptr;
1137 upper_bound = mptr + dmsgtext->len;
1139 /* Parse the three bytes that begin EVERY message on disk.
1140 * The first is always 0xFF, the on-disk magic number.
1141 * The second is the anonymous/public type byte.
1142 * The third is the format type byte (vari, fixed, or MIME).
1146 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1150 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1151 memset(ret, 0, sizeof(struct CtdlMessage));
1153 ret->cm_magic = CTDLMESSAGE_MAGIC;
1154 ret->cm_anon_type = *mptr++; /* Anon type byte */
1155 ret->cm_format_type = *mptr++; /* Format type byte */
1158 * The rest is zero or more arbitrary fields. Load them in.
1159 * We're done when we encounter either a zero-length field or
1160 * have just processed the 'M' (message text) field.
1163 if (mptr >= upper_bound) {
1166 field_header = *mptr++;
1167 ret->cm_fields[field_header] = strdup(mptr);
1169 while (*mptr++ != 0); /* advance to next field */
1171 } while ((mptr < upper_bound) && (field_header != 'M'));
1175 /* Always make sure there's something in the msg text field. If
1176 * it's NULL, the message text is most likely stored separately,
1177 * so go ahead and fetch that. Failing that, just set a dummy
1178 * body so other code doesn't barf.
1180 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1181 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1182 if (dmsgtext != NULL) {
1183 ret->cm_fields['M'] = dmsgtext->ptr;
1184 dmsgtext->ptr = NULL;
1188 if (ret->cm_fields['M'] == NULL) {
1189 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1192 /* Perform "before read" hooks (aborting if any return nonzero) */
1193 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1194 CtdlFreeMessage(ret);
1203 * Returns 1 if the supplied pointer points to a valid Citadel message.
1204 * If the pointer is NULL or the magic number check fails, returns 0.
1206 int is_valid_message(struct CtdlMessage *msg) {
1209 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1210 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1218 * 'Destructor' for struct CtdlMessage
1220 void CtdlFreeMessage(struct CtdlMessage *msg)
1224 if (is_valid_message(msg) == 0)
1226 if (msg != NULL) free (msg);
1230 for (i = 0; i < 256; ++i)
1231 if (msg->cm_fields[i] != NULL) {
1232 free(msg->cm_fields[i]);
1235 msg->cm_magic = 0; /* just in case */
1241 * Pre callback function for multipart/alternative
1243 * NOTE: this differs from the standard behavior for a reason. Normally when
1244 * displaying multipart/alternative you want to show the _last_ usable
1245 * format in the message. Here we show the _first_ one, because it's
1246 * usually text/plain. Since this set of functions is designed for text
1247 * output to non-MIME-aware clients, this is the desired behavior.
1250 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1251 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1252 char *cbid, void *cbuserdata)
1256 ma = (struct ma_info *)cbuserdata;
1257 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1258 if (!strcasecmp(cbtype, "multipart/alternative")) {
1262 if (!strcasecmp(cbtype, "message/rfc822")) {
1268 * Post callback function for multipart/alternative
1270 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1271 void *content, char *cbtype, char *cbcharset, size_t length,
1272 char *encoding, char *cbid, void *cbuserdata)
1276 ma = (struct ma_info *)cbuserdata;
1277 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1278 if (!strcasecmp(cbtype, "multipart/alternative")) {
1282 if (!strcasecmp(cbtype, "message/rfc822")) {
1288 * Inline callback function for mime parser that wants to display text
1290 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1291 void *content, char *cbtype, char *cbcharset, size_t length,
1292 char *encoding, char *cbid, void *cbuserdata)
1299 ma = (struct ma_info *)cbuserdata;
1302 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1303 partnum, filename, cbtype, (long)length);
1306 * If we're in the middle of a multipart/alternative scope and
1307 * we've already printed another section, skip this one.
1309 if ( (ma->is_ma) && (ma->did_print) ) {
1310 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1315 if ( (!strcasecmp(cbtype, "text/plain"))
1316 || (IsEmptyStr(cbtype)) ) {
1319 client_write(wptr, length);
1320 if (wptr[length-1] != '\n') {
1327 if (!strcasecmp(cbtype, "text/html")) {
1328 ptr = html_to_ascii(content, length, 80, 0);
1330 client_write(ptr, wlen);
1331 if (ptr[wlen-1] != '\n') {
1338 if (ma->use_fo_hooks) {
1339 if (PerformFixedOutputHooks(cbtype, content, length)) {
1340 /* above function returns nonzero if it handled the part */
1345 if (strncasecmp(cbtype, "multipart/", 10)) {
1346 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1347 partnum, filename, cbtype, (long)length);
1353 * The client is elegant and sophisticated and wants to be choosy about
1354 * MIME content types, so figure out which multipart/alternative part
1355 * we're going to send.
1357 * We use a system of weights. When we find a part that matches one of the
1358 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1359 * and then set ma->chosen_pref to that MIME type's position in our preference
1360 * list. If we then hit another match, we only replace the first match if
1361 * the preference value is lower.
1363 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1364 void *content, char *cbtype, char *cbcharset, size_t length,
1365 char *encoding, char *cbid, void *cbuserdata)
1371 ma = (struct ma_info *)cbuserdata;
1373 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1374 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1375 // I don't know if there are any side effects! Please TEST TEST TEST
1376 //if (ma->is_ma > 0) {
1378 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1379 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1380 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1381 if (i < ma->chosen_pref) {
1382 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1383 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1384 ma->chosen_pref = i;
1391 * Now that we've chosen our preferred part, output it.
1393 void output_preferred(char *name,
1407 int add_newline = 0;
1410 char *decoded = NULL;
1411 size_t bytes_decoded;
1414 ma = (struct ma_info *)cbuserdata;
1416 /* This is not the MIME part you're looking for... */
1417 if (strcasecmp(partnum, ma->chosen_part)) return;
1419 /* If the content-type of this part is in our preferred formats
1420 * list, we can simply output it verbatim.
1422 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1423 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1424 if (!strcasecmp(buf, cbtype)) {
1425 /* Yeah! Go! W00t!! */
1426 if (ma->dont_decode == 0)
1427 rc = mime_decode_now (content,
1433 break; /* Give us the chance, maybe theres another one. */
1435 if (rc == 0) text_content = (char *)content;
1437 text_content = decoded;
1438 length = bytes_decoded;
1441 if (text_content[length-1] != '\n') {
1444 cprintf("Content-type: %s", cbtype);
1445 if (!IsEmptyStr(cbcharset)) {
1446 cprintf("; charset=%s", cbcharset);
1448 cprintf("\nContent-length: %d\n",
1449 (int)(length + add_newline) );
1450 if (!IsEmptyStr(encoding)) {
1451 cprintf("Content-transfer-encoding: %s\n", encoding);
1454 cprintf("Content-transfer-encoding: 7bit\n");
1456 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1458 client_write(text_content, length);
1459 if (add_newline) cprintf("\n");
1460 if (decoded != NULL) free(decoded);
1465 /* No translations required or possible: output as text/plain */
1466 cprintf("Content-type: text/plain\n\n");
1468 if (ma->dont_decode == 0)
1469 rc = mime_decode_now (content,
1475 return; /* Give us the chance, maybe theres another one. */
1477 if (rc == 0) text_content = (char *)content;
1479 text_content = decoded;
1480 length = bytes_decoded;
1483 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1484 length, encoding, cbid, cbuserdata);
1485 if (decoded != NULL) free(decoded);
1490 char desired_section[64];
1497 * Callback function for
1499 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1500 void *content, char *cbtype, char *cbcharset, size_t length,
1501 char *encoding, char *cbid, void *cbuserdata)
1503 struct encapmsg *encap;
1505 encap = (struct encapmsg *)cbuserdata;
1507 /* Only proceed if this is the desired section... */
1508 if (!strcasecmp(encap->desired_section, partnum)) {
1509 encap->msglen = length;
1510 encap->msg = malloc(length + 2);
1511 memcpy(encap->msg, content, length);
1518 * Determine whether the specified message exists in the cached_msglist
1519 * (This is a security check)
1521 int check_cached_msglist(long msgnum) {
1523 /* cases in which we skip the check */
1524 if (!CC) return om_ok; /* not a session */
1525 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1526 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1527 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1530 /* Do a binary search within the cached_msglist for the requested msgnum */
1532 int max = (CC->cached_num_msgs - 1);
1534 while (max >= min) {
1535 int middle = min + (max-min) / 2 ;
1536 if (msgnum == CC->cached_msglist[middle]) {
1539 if (msgnum > CC->cached_msglist[middle]) {
1547 return om_access_denied;
1552 * Determine whether the currently logged in session has permission to read
1553 * messages in the current room.
1555 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1556 if ( (!(CC->logged_in))
1557 && (!(CC->internal_pgm))
1558 && (!config.c_guest_logins)
1560 return(om_not_logged_in);
1567 * Get a message off disk. (returns om_* values found in msgbase.h)
1570 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1571 int mode, /* how would you like that message? */
1572 int headers_only, /* eschew the message body? */
1573 int do_proto, /* do Citadel protocol responses? */
1574 int crlf, /* Use CRLF newlines instead of LF? */
1575 char *section, /* NULL or a message/rfc822 section */
1576 int flags /* various flags; see msgbase.h */
1578 struct CtdlMessage *TheMessage = NULL;
1579 int retcode = om_no_such_msg;
1580 struct encapmsg encap;
1583 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1585 (section ? section : "<>")
1588 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1591 if (r == om_not_logged_in) {
1592 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1595 cprintf("%d An unknown error has occurred.\n", ERROR);
1602 * Check to make sure the message is actually IN this room
1604 r = check_cached_msglist(msg_num);
1605 if (r == om_access_denied) {
1606 /* Not in the cache? We get ONE shot to check it again. */
1607 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1608 r = check_cached_msglist(msg_num);
1611 syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1612 msg_num, CC->room.QRname
1615 if (r == om_access_denied) {
1616 cprintf("%d message %ld was not found in this room\n",
1617 ERROR + HIGHER_ACCESS_REQUIRED,
1626 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1627 * request that we don't even bother loading the body into memory.
1629 if (headers_only == HEADERS_FAST) {
1630 TheMessage = CtdlFetchMessage(msg_num, 0);
1633 TheMessage = CtdlFetchMessage(msg_num, 1);
1636 if (TheMessage == NULL) {
1637 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1638 ERROR + MESSAGE_NOT_FOUND, msg_num);
1639 return(om_no_such_msg);
1642 /* Here is the weird form of this command, to process only an
1643 * encapsulated message/rfc822 section.
1645 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1646 memset(&encap, 0, sizeof encap);
1647 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1648 mime_parser(TheMessage->cm_fields['M'],
1650 *extract_encapsulated_message,
1651 NULL, NULL, (void *)&encap, 0
1653 CtdlFreeMessage(TheMessage);
1657 encap.msg[encap.msglen] = 0;
1658 TheMessage = convert_internet_message(encap.msg);
1659 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1661 /* Now we let it fall through to the bottom of this
1662 * function, because TheMessage now contains the
1663 * encapsulated message instead of the top-level
1664 * message. Isn't that neat?
1669 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1670 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1671 retcode = om_no_such_msg;
1676 /* Ok, output the message now */
1677 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1678 CtdlFreeMessage(TheMessage);
1684 char *qp_encode_email_addrs(char *source)
1686 char *user, *node, *name;
1687 const char headerStr[] = "=?UTF-8?Q?";
1691 int need_to_encode = 0;
1697 long nAddrPtrMax = 50;
1702 if (source == NULL) return source;
1703 if (IsEmptyStr(source)) return source;
1705 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1707 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1708 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1709 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1712 while (!IsEmptyStr (&source[i])) {
1713 if (nColons >= nAddrPtrMax){
1716 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1717 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1718 free (AddrPtr), AddrPtr = ptr;
1720 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1721 memset(&ptr[nAddrPtrMax], 0,
1722 sizeof (long) * nAddrPtrMax);
1724 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1725 free (AddrUtf8), AddrUtf8 = ptr;
1728 if (((unsigned char) source[i] < 32) ||
1729 ((unsigned char) source[i] > 126)) {
1731 AddrUtf8[nColons] = 1;
1733 if (source[i] == '"')
1734 InQuotes = !InQuotes;
1735 if (!InQuotes && source[i] == ',') {
1736 AddrPtr[nColons] = i;
1741 if (need_to_encode == 0) {
1748 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1749 Encoded = (char*) malloc (EncodedMaxLen);
1751 for (i = 0; i < nColons; i++)
1752 source[AddrPtr[i]++] = '\0';
1753 /* TODO: if libidn, this might get larger*/
1754 user = malloc(SourceLen + 1);
1755 node = malloc(SourceLen + 1);
1756 name = malloc(SourceLen + 1);
1760 for (i = 0; i < nColons && nPtr != NULL; i++) {
1761 nmax = EncodedMaxLen - (nPtr - Encoded);
1763 process_rfc822_addr(&source[AddrPtr[i]],
1767 /* TODO: libIDN here ! */
1768 if (IsEmptyStr(name)) {
1769 n = snprintf(nPtr, nmax,
1770 (i==0)?"%s@%s" : ",%s@%s",
1774 EncodedName = rfc2047encode(name, strlen(name));
1775 n = snprintf(nPtr, nmax,
1776 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1777 EncodedName, user, node);
1782 n = snprintf(nPtr, nmax,
1783 (i==0)?"%s" : ",%s",
1784 &source[AddrPtr[i]]);
1790 ptr = (char*) malloc(EncodedMaxLen * 2);
1791 memcpy(ptr, Encoded, EncodedMaxLen);
1792 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1793 free(Encoded), Encoded = ptr;
1795 i--; /* do it once more with properly lengthened buffer */
1798 for (i = 0; i < nColons; i++)
1799 source[--AddrPtr[i]] = ',';
1810 /* If the last item in a list of recipients was truncated to a partial address,
1811 * remove it completely in order to avoid choking libSieve
1813 void sanitize_truncated_recipient(char *str)
1816 if (num_tokens(str, ',') < 2) return;
1818 int len = strlen(str);
1819 if (len < 900) return;
1820 if (len > 998) str[998] = 0;
1822 char *cptr = strrchr(str, ',');
1825 char *lptr = strchr(cptr, '<');
1826 char *rptr = strchr(cptr, '>');
1828 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1834 void OutputCtdlMsgHeaders(
1835 struct CtdlMessage *TheMessage,
1836 int do_proto) /* do Citadel protocol responses? */
1842 char display_name[256];
1844 /* begin header processing loop for Citadel message format */
1845 safestrncpy(display_name, "<unknown>", sizeof display_name);
1846 if (TheMessage->cm_fields['A']) {
1847 strcpy(buf, TheMessage->cm_fields['A']);
1848 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1849 safestrncpy(display_name, "****", sizeof display_name);
1851 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1852 safestrncpy(display_name, "anonymous", sizeof display_name);
1855 safestrncpy(display_name, buf, sizeof display_name);
1857 if ((is_room_aide())
1858 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1859 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1860 size_t tmp = strlen(display_name);
1861 snprintf(&display_name[tmp],
1862 sizeof display_name - tmp,
1867 /* Don't show Internet address for users on the
1868 * local Citadel network.
1871 if (TheMessage->cm_fields['N'] != NULL)
1872 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1873 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1877 /* Now spew the header fields in the order we like them. */
1878 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1879 for (i=0; i<n; ++i) {
1880 k = (int) allkeys[i];
1882 if ( (TheMessage->cm_fields[k] != NULL)
1883 && (msgkeys[k] != NULL) ) {
1884 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1885 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1888 if (do_proto) cprintf("%s=%s\n",
1892 else if ((k == 'F') && (suppress_f)) {
1895 /* Masquerade display name if needed */
1897 if (do_proto) cprintf("%s=%s\n",
1899 TheMessage->cm_fields[k]
1908 void OutputRFC822MsgHeaders(
1909 struct CtdlMessage *TheMessage,
1910 int flags, /* should the bessage be exported clean */
1912 char *mid, long sizeof_mid,
1913 char *suser, long sizeof_suser,
1914 char *luser, long sizeof_luser,
1915 char *fuser, long sizeof_fuser,
1916 char *snode, long sizeof_snode)
1918 char datestamp[100];
1919 int subject_found = 0;
1925 for (i = 0; i < 256; ++i) {
1926 if (TheMessage->cm_fields[i]) {
1927 mptr = mpptr = TheMessage->cm_fields[i];
1930 safestrncpy(luser, mptr, sizeof_luser);
1931 safestrncpy(suser, mptr, sizeof_suser);
1933 else if (i == 'Y') {
1934 if ((flags & QP_EADDR) != 0) {
1935 mptr = qp_encode_email_addrs(mptr);
1937 sanitize_truncated_recipient(mptr);
1938 cprintf("CC: %s%s", mptr, nl);
1940 else if (i == 'P') {
1941 cprintf("Return-Path: %s%s", mptr, nl);
1943 else if (i == 'L') {
1944 cprintf("List-ID: %s%s", mptr, nl);
1946 else if (i == 'V') {
1947 if ((flags & QP_EADDR) != 0)
1948 mptr = qp_encode_email_addrs(mptr);
1949 cprintf("Envelope-To: %s%s", mptr, nl);
1951 else if (i == 'U') {
1952 cprintf("Subject: %s%s", mptr, nl);
1956 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1958 safestrncpy(fuser, mptr, sizeof_fuser);
1959 /* else if (i == 'O')
1960 cprintf("X-Citadel-Room: %s%s",
1963 safestrncpy(snode, mptr, sizeof_snode);
1966 if (haschar(mptr, '@') == 0)
1968 sanitize_truncated_recipient(mptr);
1969 cprintf("To: %s@%s", mptr, config.c_fqdn);
1974 if ((flags & QP_EADDR) != 0) {
1975 mptr = qp_encode_email_addrs(mptr);
1977 sanitize_truncated_recipient(mptr);
1978 cprintf("To: %s", mptr);
1982 else if (i == 'T') {
1983 datestring(datestamp, sizeof datestamp,
1984 atol(mptr), DATESTRING_RFC822);
1985 cprintf("Date: %s%s", datestamp, nl);
1987 else if (i == 'W') {
1988 cprintf("References: ");
1989 k = num_tokens(mptr, '|');
1990 for (j=0; j<k; ++j) {
1991 extract_token(buf, mptr, j, '|', sizeof buf);
1992 cprintf("<%s>", buf);
2001 else if (i == 'K') {
2002 cprintf("Reply-To: <%s>%s", mptr, nl);
2008 if (subject_found == 0) {
2009 cprintf("Subject: (no subject)%s", nl);
2014 void Dump_RFC822HeadersBody(
2015 struct CtdlMessage *TheMessage,
2016 int headers_only, /* eschew the message body? */
2017 int flags, /* should the bessage be exported clean? */
2021 cit_uint8_t prev_ch;
2023 const char *StartOfText = StrBufNOTNULL;
2026 int nllen = strlen(nl);
2029 mptr = TheMessage->cm_fields['M'];
2033 while (*mptr != '\0') {
2034 if (*mptr == '\r') {
2041 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2043 eoh = *(mptr+1) == '\n';
2047 StartOfText = strchr(StartOfText, '\n');
2048 StartOfText = strchr(StartOfText, '\n');
2051 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2052 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2053 ((headers_only != HEADERS_NONE) &&
2054 (headers_only != HEADERS_ONLY))
2056 if (*mptr == '\n') {
2057 memcpy(&outbuf[outlen], nl, nllen);
2059 outbuf[outlen] = '\0';
2062 outbuf[outlen++] = *mptr;
2066 if (flags & ESC_DOT)
2068 if ((prev_ch == '\n') &&
2070 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2072 outbuf[outlen++] = '.';
2077 if (outlen > 1000) {
2078 client_write(outbuf, outlen);
2083 client_write(outbuf, outlen);
2090 /* If the format type on disk is 1 (fixed-format), then we want
2091 * everything to be output completely literally ... regardless of
2092 * what message transfer format is in use.
2094 void DumpFormatFixed(
2095 struct CtdlMessage *TheMessage,
2096 int mode, /* how would you like that message? */
2103 int nllen = strlen (nl);
2106 mptr = TheMessage->cm_fields['M'];
2108 if (mode == MT_MIME) {
2109 cprintf("Content-type: text/plain\n\n");
2113 while (ch = *mptr++, ch > 0) {
2117 if ((buflen > 250) && (!xlline)){
2121 while ((buflen > 0) &&
2122 (!isspace(buf[buflen])))
2128 mptr -= tbuflen - buflen;
2133 /* if we reach the outer bounds of our buffer,
2134 abort without respect what whe purge. */
2137 (buflen > SIZ - nllen - 2)))
2141 memcpy (&buf[buflen], nl, nllen);
2145 client_write(buf, buflen);
2155 if (!IsEmptyStr(buf))
2156 cprintf("%s%s", buf, nl);
2160 * Get a message off disk. (returns om_* values found in msgbase.h)
2162 int CtdlOutputPreLoadedMsg(
2163 struct CtdlMessage *TheMessage,
2164 int mode, /* how would you like that message? */
2165 int headers_only, /* eschew the message body? */
2166 int do_proto, /* do Citadel protocol responses? */
2167 int crlf, /* Use CRLF newlines instead of LF? */
2168 int flags /* should the bessage be exported clean? */
2172 const char *nl; /* newline string */
2175 /* Buffers needed for RFC822 translation. These are all filled
2176 * using functions that are bounds-checked, and therefore we can
2177 * make them substantially smaller than SIZ.
2185 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2186 ((TheMessage == NULL) ? "NULL" : "not null"),
2187 mode, headers_only, do_proto, crlf);
2189 strcpy(mid, "unknown");
2190 nl = (crlf ? "\r\n" : "\n");
2192 if (!is_valid_message(TheMessage)) {
2194 "ERROR: invalid preloaded message for output\n");
2196 return(om_no_such_msg);
2199 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2200 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2202 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2203 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2206 /* Are we downloading a MIME component? */
2207 if (mode == MT_DOWNLOAD) {
2208 if (TheMessage->cm_format_type != FMT_RFC822) {
2210 cprintf("%d This is not a MIME message.\n",
2211 ERROR + ILLEGAL_VALUE);
2212 } else if (CC->download_fp != NULL) {
2213 if (do_proto) cprintf(
2214 "%d You already have a download open.\n",
2215 ERROR + RESOURCE_BUSY);
2217 /* Parse the message text component */
2218 mptr = TheMessage->cm_fields['M'];
2219 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2220 /* If there's no file open by this time, the requested
2221 * section wasn't found, so print an error
2223 if (CC->download_fp == NULL) {
2224 if (do_proto) cprintf(
2225 "%d Section %s not found.\n",
2226 ERROR + FILE_NOT_FOUND,
2227 CC->download_desired_section);
2230 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2233 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2234 * in a single server operation instead of opening a download file.
2236 if (mode == MT_SPEW_SECTION) {
2237 if (TheMessage->cm_format_type != FMT_RFC822) {
2239 cprintf("%d This is not a MIME message.\n",
2240 ERROR + ILLEGAL_VALUE);
2242 /* Parse the message text component */
2245 mptr = TheMessage->cm_fields['M'];
2246 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2247 /* If section wasn't found, print an error
2250 if (do_proto) cprintf(
2251 "%d Section %s not found.\n",
2252 ERROR + FILE_NOT_FOUND,
2253 CC->download_desired_section);
2256 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2259 /* now for the user-mode message reading loops */
2260 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2262 /* Does the caller want to skip the headers? */
2263 if (headers_only == HEADERS_NONE) goto START_TEXT;
2265 /* Tell the client which format type we're using. */
2266 if ( (mode == MT_CITADEL) && (do_proto) ) {
2267 cprintf("type=%d\n", TheMessage->cm_format_type);
2270 /* nhdr=yes means that we're only displaying headers, no body */
2271 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2272 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2275 cprintf("nhdr=yes\n");
2278 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2279 OutputCtdlMsgHeaders(TheMessage, do_proto);
2282 /* begin header processing loop for RFC822 transfer format */
2286 strcpy(snode, NODENAME);
2287 if (mode == MT_RFC822)
2288 OutputRFC822MsgHeaders(
2293 suser, sizeof(suser),
2294 luser, sizeof(luser),
2295 fuser, sizeof(fuser),
2296 snode, sizeof(snode)
2300 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2301 suser[i] = tolower(suser[i]);
2302 if (!isalnum(suser[i])) suser[i]='_';
2305 if (mode == MT_RFC822) {
2306 if (!strcasecmp(snode, NODENAME)) {
2307 safestrncpy(snode, FQDN, sizeof snode);
2310 /* Construct a fun message id */
2311 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2312 if (strchr(mid, '@')==NULL) {
2313 cprintf("@%s", snode);
2317 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2318 cprintf("From: \"----\" <x@x.org>%s", nl);
2320 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2321 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2323 else if (!IsEmptyStr(fuser)) {
2324 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2327 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2330 /* Blank line signifying RFC822 end-of-headers */
2331 if (TheMessage->cm_format_type != FMT_RFC822) {
2336 /* end header processing loop ... at this point, we're in the text */
2338 if (headers_only == HEADERS_FAST) goto DONE;
2340 /* Tell the client about the MIME parts in this message */
2341 if (TheMessage->cm_format_type == FMT_RFC822) {
2342 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2343 mptr = TheMessage->cm_fields['M'];
2344 memset(&ma, 0, sizeof(struct ma_info));
2345 mime_parser(mptr, NULL,
2346 (do_proto ? *list_this_part : NULL),
2347 (do_proto ? *list_this_pref : NULL),
2348 (do_proto ? *list_this_suff : NULL),
2351 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2352 Dump_RFC822HeadersBody(
2361 if (headers_only == HEADERS_ONLY) {
2365 /* signify start of msg text */
2366 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2367 if (do_proto) cprintf("text\n");
2370 if (TheMessage->cm_format_type == FMT_FIXED)
2373 mode, /* how would you like that message? */
2376 /* If the message on disk is format 0 (Citadel vari-format), we
2377 * output using the formatter at 80 columns. This is the final output
2378 * form if the transfer format is RFC822, but if the transfer format
2379 * is Citadel proprietary, it'll still work, because the indentation
2380 * for new paragraphs is correct and the client will reformat the
2381 * message to the reader's screen width.
2383 if (TheMessage->cm_format_type == FMT_CITADEL) {
2384 mptr = TheMessage->cm_fields['M'];
2386 if (mode == MT_MIME) {
2387 cprintf("Content-type: text/x-citadel-variformat\n\n");
2392 /* If the message on disk is format 4 (MIME), we've gotta hand it
2393 * off to the MIME parser. The client has already been told that
2394 * this message is format 1 (fixed format), so the callback function
2395 * we use will display those parts as-is.
2397 if (TheMessage->cm_format_type == FMT_RFC822) {
2398 memset(&ma, 0, sizeof(struct ma_info));
2400 if (mode == MT_MIME) {
2401 ma.use_fo_hooks = 0;
2402 strcpy(ma.chosen_part, "1");
2403 ma.chosen_pref = 9999;
2404 ma.dont_decode = CC->msg4_dont_decode;
2405 mime_parser(mptr, NULL,
2406 *choose_preferred, *fixed_output_pre,
2407 *fixed_output_post, (void *)&ma, 1);
2408 mime_parser(mptr, NULL,
2409 *output_preferred, NULL, NULL, (void *)&ma, 1);
2412 ma.use_fo_hooks = 1;
2413 mime_parser(mptr, NULL,
2414 *fixed_output, *fixed_output_pre,
2415 *fixed_output_post, (void *)&ma, 0);
2420 DONE: /* now we're done */
2421 if (do_proto) cprintf("000\n");
2427 * display a message (mode 0 - Citadel proprietary)
2429 void cmd_msg0(char *cmdbuf)
2432 int headers_only = HEADERS_ALL;
2434 msgid = extract_long(cmdbuf, 0);
2435 headers_only = extract_int(cmdbuf, 1);
2437 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2443 * display a message (mode 2 - RFC822)
2445 void cmd_msg2(char *cmdbuf)
2448 int headers_only = HEADERS_ALL;
2450 msgid = extract_long(cmdbuf, 0);
2451 headers_only = extract_int(cmdbuf, 1);
2453 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2459 * display a message (mode 3 - IGnet raw format - internal programs only)
2461 void cmd_msg3(char *cmdbuf)
2464 struct CtdlMessage *msg = NULL;
2467 if (CC->internal_pgm == 0) {
2468 cprintf("%d This command is for internal programs only.\n",
2469 ERROR + HIGHER_ACCESS_REQUIRED);
2473 msgnum = extract_long(cmdbuf, 0);
2474 msg = CtdlFetchMessage(msgnum, 1);
2476 cprintf("%d Message %ld not found.\n",
2477 ERROR + MESSAGE_NOT_FOUND, msgnum);
2481 serialize_message(&smr, msg);
2482 CtdlFreeMessage(msg);
2485 cprintf("%d Unable to serialize message\n",
2486 ERROR + INTERNAL_ERROR);
2490 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2491 client_write((char *)smr.ser, (int)smr.len);
2498 * Display a message using MIME content types
2500 void cmd_msg4(char *cmdbuf)
2505 msgid = extract_long(cmdbuf, 0);
2506 extract_token(section, cmdbuf, 1, '|', sizeof section);
2507 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2513 * Client tells us its preferred message format(s)
2515 void cmd_msgp(char *cmdbuf)
2517 if (!strcasecmp(cmdbuf, "dont_decode")) {
2518 CC->msg4_dont_decode = 1;
2519 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2522 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2523 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2529 * Open a component of a MIME message as a download file
2531 void cmd_opna(char *cmdbuf)
2534 char desired_section[128];
2536 msgid = extract_long(cmdbuf, 0);
2537 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2538 safestrncpy(CC->download_desired_section, desired_section,
2539 sizeof CC->download_desired_section);
2540 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2545 * Open a component of a MIME message and transmit it all at once
2547 void cmd_dlat(char *cmdbuf)
2550 char desired_section[128];
2552 msgid = extract_long(cmdbuf, 0);
2553 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2554 safestrncpy(CC->download_desired_section, desired_section,
2555 sizeof CC->download_desired_section);
2556 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2561 * Save one or more message pointers into a specified room
2562 * (Returns 0 for success, nonzero for failure)
2563 * roomname may be NULL to use the current room
2565 * Note that the 'supplied_msg' field may be set to NULL, in which case
2566 * the message will be fetched from disk, by number, if we need to perform
2567 * replication checks. This adds an additional database read, so if the
2568 * caller already has the message in memory then it should be supplied. (Obviously
2569 * this mode of operation only works if we're saving a single message.)
2571 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2572 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2575 char hold_rm[ROOMNAMELEN];
2576 struct cdbdata *cdbfr;
2579 long highest_msg = 0L;
2582 struct CtdlMessage *msg = NULL;
2584 long *msgs_to_be_merged = NULL;
2585 int num_msgs_to_be_merged = 0;
2588 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2589 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2592 strcpy(hold_rm, CC->room.QRname);
2595 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2596 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2597 if (num_newmsgs > 1) supplied_msg = NULL;
2599 /* Now the regular stuff */
2600 if (CtdlGetRoomLock(&CC->room,
2601 ((roomname != NULL) ? roomname : CC->room.QRname) )
2603 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2604 return(ERROR + ROOM_NOT_FOUND);
2608 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2609 num_msgs_to_be_merged = 0;
2612 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2613 if (cdbfr == NULL) {
2617 msglist = (long *) cdbfr->ptr;
2618 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2619 num_msgs = cdbfr->len / sizeof(long);
2624 /* Create a list of msgid's which were supplied by the caller, but do
2625 * not already exist in the target room. It is absolutely taboo to
2626 * have more than one reference to the same message in a room.
2628 for (i=0; i<num_newmsgs; ++i) {
2630 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2631 if (msglist[j] == newmsgidlist[i]) {
2636 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2640 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2643 * Now merge the new messages
2645 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2646 if (msglist == NULL) {
2647 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2649 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2650 num_msgs += num_msgs_to_be_merged;
2652 /* Sort the message list, so all the msgid's are in order */
2653 num_msgs = sort_msglist(msglist, num_msgs);
2655 /* Determine the highest message number */
2656 highest_msg = msglist[num_msgs - 1];
2658 /* Write it back to disk. */
2659 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2660 msglist, (int)(num_msgs * sizeof(long)));
2662 /* Free up the memory we used. */
2665 /* Update the highest-message pointer and unlock the room. */
2666 CC->room.QRhighest = highest_msg;
2667 CtdlPutRoomLock(&CC->room);
2669 /* Perform replication checks if necessary */
2670 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2671 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2673 for (i=0; i<num_msgs_to_be_merged; ++i) {
2674 msgid = msgs_to_be_merged[i];
2676 if (supplied_msg != NULL) {
2680 msg = CtdlFetchMessage(msgid, 0);
2684 ReplicationChecks(msg);
2686 /* If the message has an Exclusive ID, index that... */
2687 if (msg->cm_fields['E'] != NULL) {
2688 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2691 /* Free up the memory we may have allocated */
2692 if (msg != supplied_msg) {
2693 CtdlFreeMessage(msg);
2701 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2704 /* Submit this room for processing by hooks */
2705 PerformRoomHooks(&CC->room);
2707 /* Go back to the room we were in before we wandered here... */
2708 CtdlGetRoom(&CC->room, hold_rm);
2710 /* Bump the reference count for all messages which were merged */
2711 if (!suppress_refcount_adj) {
2712 for (i=0; i<num_msgs_to_be_merged; ++i) {
2713 AdjRefCount(msgs_to_be_merged[i], +1);
2717 /* Free up memory... */
2718 if (msgs_to_be_merged != NULL) {
2719 free(msgs_to_be_merged);
2722 /* Return success. */
2728 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2731 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2732 int do_repl_check, struct CtdlMessage *supplied_msg)
2734 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2741 * Message base operation to save a new message to the message store
2742 * (returns new message number)
2744 * This is the back end for CtdlSubmitMsg() and should not be directly
2745 * called by server-side modules.
2748 long send_message(struct CtdlMessage *msg) {
2756 /* Get a new message number */
2757 newmsgid = get_new_message_number();
2758 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2760 /* Generate an ID if we don't have one already */
2761 if (msg->cm_fields['I']==NULL) {
2762 msg->cm_fields['I'] = strdup(msgidbuf);
2765 /* If the message is big, set its body aside for storage elsewhere */
2766 if (msg->cm_fields['M'] != NULL) {
2767 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2769 holdM = msg->cm_fields['M'];
2770 msg->cm_fields['M'] = NULL;
2774 /* Serialize our data structure for storage in the database */
2775 serialize_message(&smr, msg);
2778 msg->cm_fields['M'] = holdM;
2782 cprintf("%d Unable to serialize message\n",
2783 ERROR + INTERNAL_ERROR);
2787 /* Write our little bundle of joy into the message base */
2788 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2789 smr.ser, smr.len) < 0) {
2790 syslog(LOG_ERR, "Can't store message\n");
2794 cdb_store(CDB_BIGMSGS,
2804 /* Free the memory we used for the serialized message */
2807 /* Return the *local* message ID to the caller
2808 * (even if we're storing an incoming network message)
2816 * Serialize a struct CtdlMessage into the format used on disk and network.
2818 * This function loads up a "struct ser_ret" (defined in server.h) which
2819 * contains the length of the serialized message and a pointer to the
2820 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2822 void serialize_message(struct ser_ret *ret, /* return values */
2823 struct CtdlMessage *msg) /* unserialized msg */
2825 size_t wlen, fieldlen;
2827 static char *forder = FORDER;
2830 * Check for valid message format
2832 if (is_valid_message(msg) == 0) {
2833 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2840 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2841 ret->len = ret->len +
2842 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2844 ret->ser = malloc(ret->len);
2845 if (ret->ser == NULL) {
2846 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2847 (long)ret->len, strerror(errno));
2854 ret->ser[1] = msg->cm_anon_type;
2855 ret->ser[2] = msg->cm_format_type;
2858 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2859 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2860 ret->ser[wlen++] = (char)forder[i];
2861 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2862 wlen = wlen + fieldlen + 1;
2864 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2865 (long)ret->len, (long)wlen);
2872 * Serialize a struct CtdlMessage into the format used on disk and network.
2874 * This function loads up a "struct ser_ret" (defined in server.h) which
2875 * contains the length of the serialized message and a pointer to the
2876 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2878 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2879 long Siz) /* how many chars ? */
2883 static char *forder = FORDER;
2887 * Check for valid message format
2889 if (is_valid_message(msg) == 0) {
2890 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2894 buf = (char*) malloc (Siz + 1);
2898 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2899 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2900 msg->cm_fields[(int)forder[i]]);
2901 client_write (buf, strlen(buf));
2910 * Check to see if any messages already exist in the current room which
2911 * carry the same Exclusive ID as this one. If any are found, delete them.
2913 void ReplicationChecks(struct CtdlMessage *msg) {
2914 long old_msgnum = (-1L);
2916 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2918 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2921 /* No exclusive id? Don't do anything. */
2922 if (msg == NULL) return;
2923 if (msg->cm_fields['E'] == NULL) return;
2924 if (IsEmptyStr(msg->cm_fields['E'])) return;
2925 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2926 msg->cm_fields['E'], CC->room.QRname);*/
2928 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2929 if (old_msgnum > 0L) {
2930 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2931 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2938 * Save a message to disk and submit it into the delivery system.
2940 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2941 struct recptypes *recps, /* recipients (if mail) */
2942 char *force, /* force a particular room? */
2943 int flags /* should the message be exported clean? */
2945 char submit_filename[128];
2946 char generated_timestamp[32];
2947 char hold_rm[ROOMNAMELEN];
2948 char actual_rm[ROOMNAMELEN];
2949 char force_room[ROOMNAMELEN];
2950 char content_type[SIZ]; /* We have to learn this */
2951 char recipient[SIZ];
2953 const char *mptr = NULL;
2954 struct ctdluser userbuf;
2956 struct MetaData smi;
2957 FILE *network_fp = NULL;
2958 static int seqnum = 1;
2959 struct CtdlMessage *imsg = NULL;
2961 size_t instr_alloc = 0;
2963 char *hold_R, *hold_D;
2964 char *collected_addresses = NULL;
2965 struct addresses_to_be_filed *aptr = NULL;
2966 StrBuf *saved_rfc822_version = NULL;
2967 int qualified_for_journaling = 0;
2968 CitContext *CCC = MyContext();
2969 char bounce_to[1024] = "";
2973 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
2974 if (is_valid_message(msg) == 0) return(-1); /* self check */
2976 /* If this message has no timestamp, we take the liberty of
2977 * giving it one, right now.
2979 if (msg->cm_fields['T'] == NULL) {
2980 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2981 msg->cm_fields['T'] = strdup(generated_timestamp);
2984 /* If this message has no path, we generate one.
2986 if (msg->cm_fields['P'] == NULL) {
2987 if (msg->cm_fields['A'] != NULL) {
2988 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2989 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2990 if (isspace(msg->cm_fields['P'][a])) {
2991 msg->cm_fields['P'][a] = ' ';
2996 msg->cm_fields['P'] = strdup("unknown");
3000 if (force == NULL) {
3001 strcpy(force_room, "");
3004 strcpy(force_room, force);
3007 /* Learn about what's inside, because it's what's inside that counts */
3008 if (msg->cm_fields['M'] == NULL) {
3009 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3013 switch (msg->cm_format_type) {
3015 strcpy(content_type, "text/x-citadel-variformat");
3018 strcpy(content_type, "text/plain");
3021 strcpy(content_type, "text/plain");
3022 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3025 safestrncpy(content_type, &mptr[13], sizeof content_type);
3026 striplt(content_type);
3027 aptr = content_type;
3028 while (!IsEmptyStr(aptr)) {
3040 /* Goto the correct room */
3041 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3042 strcpy(hold_rm, CCC->room.QRname);
3043 strcpy(actual_rm, CCC->room.QRname);
3044 if (recps != NULL) {
3045 strcpy(actual_rm, SENTITEMS);
3048 /* If the user is a twit, move to the twit room for posting */
3050 if (CCC->user.axlevel == AxProbU) {
3051 strcpy(hold_rm, actual_rm);
3052 strcpy(actual_rm, config.c_twitroom);
3053 syslog(LOG_DEBUG, "Diverting to twit room\n");
3057 /* ...or if this message is destined for Aide> then go there. */
3058 if (!IsEmptyStr(force_room)) {
3059 strcpy(actual_rm, force_room);
3062 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3063 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3064 /* CtdlGetRoom(&CCC->room, actual_rm); */
3065 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3069 * If this message has no O (room) field, generate one.
3071 if (msg->cm_fields['O'] == NULL) {
3072 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3075 /* Perform "before save" hooks (aborting if any return nonzero) */
3076 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3077 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3080 * If this message has an Exclusive ID, and the room is replication
3081 * checking enabled, then do replication checks.
3083 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3084 ReplicationChecks(msg);
3087 /* Save it to disk */
3088 syslog(LOG_DEBUG, "Saving to disk\n");
3089 newmsgid = send_message(msg);
3090 if (newmsgid <= 0L) return(-5);
3092 /* Write a supplemental message info record. This doesn't have to
3093 * be a critical section because nobody else knows about this message
3096 syslog(LOG_DEBUG, "Creating MetaData record\n");
3097 memset(&smi, 0, sizeof(struct MetaData));
3098 smi.meta_msgnum = newmsgid;
3099 smi.meta_refcount = 0;
3100 safestrncpy(smi.meta_content_type, content_type,
3101 sizeof smi.meta_content_type);
3104 * Measure how big this message will be when rendered as RFC822.
3105 * We do this for two reasons:
3106 * 1. We need the RFC822 length for the new metadata record, so the
3107 * POP and IMAP services don't have to calculate message lengths
3108 * while the user is waiting (multiplied by potentially hundreds
3109 * or thousands of messages).
3110 * 2. If journaling is enabled, we will need an RFC822 version of the
3111 * message to attach to the journalized copy.
3113 if (CCC->redirect_buffer != NULL) {
3114 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3117 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3118 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3119 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3120 saved_rfc822_version = CCC->redirect_buffer;
3121 CCC->redirect_buffer = NULL;
3125 /* Now figure out where to store the pointers */
3126 syslog(LOG_DEBUG, "Storing pointers\n");
3128 /* If this is being done by the networker delivering a private
3129 * message, we want to BYPASS saving the sender's copy (because there
3130 * is no local sender; it would otherwise go to the Trashcan).
3132 if ((!CCC->internal_pgm) || (recps == NULL)) {
3133 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3134 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3135 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3139 /* For internet mail, drop a copy in the outbound queue room */
3140 if ((recps != NULL) && (recps->num_internet > 0)) {
3141 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3144 /* If other rooms are specified, drop them there too. */
3145 if ((recps != NULL) && (recps->num_room > 0))
3146 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3147 extract_token(recipient, recps->recp_room, i,
3148 '|', sizeof recipient);
3149 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3150 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3153 /* Bump this user's messages posted counter. */
3154 syslog(LOG_DEBUG, "Updating user\n");
3155 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3156 CCC->user.posted = CCC->user.posted + 1;
3157 CtdlPutUserLock(&CCC->user);
3159 /* Decide where bounces need to be delivered */
3160 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3161 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3163 else if (CCC->logged_in) {
3164 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3167 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3170 /* If this is private, local mail, make a copy in the
3171 * recipient's mailbox and bump the reference count.
3173 if ((recps != NULL) && (recps->num_local > 0))
3174 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3175 extract_token(recipient, recps->recp_local, i,
3176 '|', sizeof recipient);
3177 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3179 if (CtdlGetUser(&userbuf, recipient) == 0) {
3180 // Add a flag so the Funambol module knows its mail
3181 msg->cm_fields['W'] = strdup(recipient);
3182 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3183 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3184 CtdlBumpNewMailCounter(userbuf.usernum);
3185 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3186 /* Generate a instruction message for the Funambol notification
3187 * server, in the same style as the SMTP queue
3190 instr = malloc(instr_alloc);
3191 snprintf(instr, instr_alloc,
3192 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3194 SPOOLMIME, newmsgid, (long)time(NULL),
3198 imsg = malloc(sizeof(struct CtdlMessage));
3199 memset(imsg, 0, sizeof(struct CtdlMessage));
3200 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3201 imsg->cm_anon_type = MES_NORMAL;
3202 imsg->cm_format_type = FMT_RFC822;
3203 imsg->cm_fields['A'] = strdup("Citadel");
3204 imsg->cm_fields['J'] = strdup("do not journal");
3205 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3206 imsg->cm_fields['W'] = strdup(recipient);
3207 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3208 CtdlFreeMessage(imsg);
3212 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3213 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3218 /* Perform "after save" hooks */
3219 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3220 PerformMessageHooks(msg, EVT_AFTERSAVE);
3222 /* For IGnet mail, we have to save a new copy into the spooler for
3223 * each recipient, with the R and D fields set to the recipient and
3224 * destination-node. This has two ugly side effects: all other
3225 * recipients end up being unlisted in this recipient's copy of the
3226 * message, and it has to deliver multiple messages to the same
3227 * node. We'll revisit this again in a year or so when everyone has
3228 * a network spool receiver that can handle the new style messages.
3230 if ((recps != NULL) && (recps->num_ignet > 0))
3231 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3232 extract_token(recipient, recps->recp_ignet, i,
3233 '|', sizeof recipient);
3235 hold_R = msg->cm_fields['R'];
3236 hold_D = msg->cm_fields['D'];
3237 msg->cm_fields['R'] = malloc(SIZ);
3238 msg->cm_fields['D'] = malloc(128);
3239 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3240 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3242 serialize_message(&smr, msg);
3244 snprintf(submit_filename, sizeof submit_filename,
3245 "%s/netmail.%04lx.%04x.%04x",
3247 (long) getpid(), CCC->cs_pid, ++seqnum);
3248 network_fp = fopen(submit_filename, "wb+");
3249 if (network_fp != NULL) {
3250 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3256 free(msg->cm_fields['R']);
3257 free(msg->cm_fields['D']);
3258 msg->cm_fields['R'] = hold_R;
3259 msg->cm_fields['D'] = hold_D;
3262 /* Go back to the room we started from */
3263 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3264 if (strcasecmp(hold_rm, CCC->room.QRname))
3265 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3267 /* For internet mail, generate delivery instructions.
3268 * Yes, this is recursive. Deal with it. Infinite recursion does
3269 * not happen because the delivery instructions message does not
3270 * contain a recipient.
3272 if ((recps != NULL) && (recps->num_internet > 0)) {
3273 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3275 instr = malloc(instr_alloc);
3276 snprintf(instr, instr_alloc,
3277 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3279 SPOOLMIME, newmsgid, (long)time(NULL),
3283 if (recps->envelope_from != NULL) {
3284 tmp = strlen(instr);
3285 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3288 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3289 tmp = strlen(instr);
3290 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3291 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3292 instr_alloc = instr_alloc * 2;
3293 instr = realloc(instr, instr_alloc);
3295 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3298 imsg = malloc(sizeof(struct CtdlMessage));
3299 memset(imsg, 0, sizeof(struct CtdlMessage));
3300 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3301 imsg->cm_anon_type = MES_NORMAL;
3302 imsg->cm_format_type = FMT_RFC822;
3303 imsg->cm_fields['A'] = strdup("Citadel");
3304 imsg->cm_fields['J'] = strdup("do not journal");
3305 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3306 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3307 CtdlFreeMessage(imsg);
3311 * Any addresses to harvest for someone's address book?
3313 if ( (CCC->logged_in) && (recps != NULL) ) {
3314 collected_addresses = harvest_collected_addresses(msg);
3317 if (collected_addresses != NULL) {
3318 aptr = (struct addresses_to_be_filed *)
3319 malloc(sizeof(struct addresses_to_be_filed));
3320 CtdlMailboxName(actual_rm, sizeof actual_rm,
3321 &CCC->user, USERCONTACTSROOM);
3322 aptr->roomname = strdup(actual_rm);
3323 aptr->collected_addresses = collected_addresses;
3324 begin_critical_section(S_ATBF);
3327 end_critical_section(S_ATBF);
3331 * Determine whether this message qualifies for journaling.
3333 if (msg->cm_fields['J'] != NULL) {
3334 qualified_for_journaling = 0;
3337 if (recps == NULL) {
3338 qualified_for_journaling = config.c_journal_pubmsgs;
3340 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3341 qualified_for_journaling = config.c_journal_email;
3344 qualified_for_journaling = config.c_journal_pubmsgs;
3349 * Do we have to perform journaling? If so, hand off the saved
3350 * RFC822 version will be handed off to the journaler for background
3351 * submit. Otherwise, we have to free the memory ourselves.
3353 if (saved_rfc822_version != NULL) {
3354 if (qualified_for_journaling) {
3355 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3358 FreeStrBuf(&saved_rfc822_version);
3368 void aide_message (char *text, char *subject)
3370 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3375 * Convenience function for generating small administrative messages.
3377 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3378 int format_type, const char *subject)
3380 struct CtdlMessage *msg;
3381 struct recptypes *recp = NULL;
3383 msg = malloc(sizeof(struct CtdlMessage));
3384 memset(msg, 0, sizeof(struct CtdlMessage));
3385 msg->cm_magic = CTDLMESSAGE_MAGIC;
3386 msg->cm_anon_type = MES_NORMAL;
3387 msg->cm_format_type = format_type;
3390 msg->cm_fields['A'] = strdup(from);
3392 else if (fromaddr != NULL) {
3393 msg->cm_fields['A'] = strdup(fromaddr);
3394 if (strchr(msg->cm_fields['A'], '@')) {
3395 *strchr(msg->cm_fields['A'], '@') = 0;
3399 msg->cm_fields['A'] = strdup("Citadel");
3402 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3403 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3404 msg->cm_fields['N'] = strdup(NODENAME);
3406 msg->cm_fields['R'] = strdup(to);
3407 recp = validate_recipients(to, NULL, 0);
3409 if (subject != NULL) {
3410 msg->cm_fields['U'] = strdup(subject);
3412 msg->cm_fields['M'] = strdup(text);
3414 CtdlSubmitMsg(msg, recp, room, 0);
3415 CtdlFreeMessage(msg);
3416 if (recp != NULL) free_recipients(recp);
3422 * Back end function used by CtdlMakeMessage() and similar functions
3424 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3426 size_t maxlen, /* maximum message length */
3427 char *exist, /* if non-null, append to it;
3428 exist is ALWAYS freed */
3429 int crlf, /* CRLF newlines instead of LF */
3430 int *sock /* socket handle or 0 for this session's client socket */
3439 LineBuf = NewStrBufPlain(NULL, SIZ);
3440 if (exist == NULL) {
3441 Message = NewStrBufPlain(NULL, 4 * SIZ);
3444 Message = NewStrBufPlain(exist, -1);
3448 /* Do we need to change leading ".." to "." for SMTP escaping? */
3449 if ((tlen == 1) && (*terminator == '.')) {
3453 /* read in the lines of message text one by one */
3456 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3461 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3463 if ((StrLength(LineBuf) == tlen) &&
3464 (!strcmp(ChrPtr(LineBuf), terminator)))
3467 if ( (!flushing) && (!finished) ) {
3469 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3472 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3475 /* Unescape SMTP-style input of two dots at the beginning of the line */
3477 (StrLength(LineBuf) == 2) &&
3478 (!strcmp(ChrPtr(LineBuf), "..")))
3480 StrBufCutLeft(LineBuf, 1);
3483 StrBufAppendBuf(Message, LineBuf, 0);
3486 /* if we've hit the max msg length, flush the rest */
3487 if (StrLength(Message) >= maxlen) flushing = 1;
3489 } while (!finished);
3490 FreeStrBuf(&LineBuf);
3496 * Back end function used by CtdlMakeMessage() and similar functions
3498 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3500 size_t maxlen, /* maximum message length */
3501 char *exist, /* if non-null, append to it;
3502 exist is ALWAYS freed */
3503 int crlf, /* CRLF newlines instead of LF */
3504 int *sock /* socket handle or 0 for this session's client socket */
3509 Message = CtdlReadMessageBodyBuf(terminator,
3515 if (Message == NULL)
3518 return SmashStrBuf(&Message);
3523 * Build a binary message to be saved on disk.
3524 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3525 * will become part of the message. This means you are no longer
3526 * responsible for managing that memory -- it will be freed along with
3527 * the rest of the fields when CtdlFreeMessage() is called.)
3530 struct CtdlMessage *CtdlMakeMessage(
3531 struct ctdluser *author, /* author's user structure */
3532 char *recipient, /* NULL if it's not mail */
3533 char *recp_cc, /* NULL if it's not mail */
3534 char *room, /* room where it's going */
3535 int type, /* see MES_ types in header file */
3536 int format_type, /* variformat, plain text, MIME... */
3537 char *fake_name, /* who we're masquerading as */
3538 char *my_email, /* which of my email addresses to use (empty is ok) */
3539 char *subject, /* Subject (optional) */
3540 char *supplied_euid, /* ...or NULL if this is irrelevant */
3541 char *preformatted_text, /* ...or NULL to read text from client */
3542 char *references /* Thread references */
3544 char dest_node[256];
3546 struct CtdlMessage *msg;
3548 StrBuf *FakeEncAuthor = NULL;
3550 msg = malloc(sizeof(struct CtdlMessage));
3551 memset(msg, 0, sizeof(struct CtdlMessage));
3552 msg->cm_magic = CTDLMESSAGE_MAGIC;
3553 msg->cm_anon_type = type;
3554 msg->cm_format_type = format_type;
3556 /* Don't confuse the poor folks if it's not routed mail. */
3557 strcpy(dest_node, "");
3559 if (recipient != NULL) striplt(recipient);
3560 if (recp_cc != NULL) striplt(recp_cc);
3562 /* Path or Return-Path */
3563 if (my_email == NULL) my_email = "";
3565 if (!IsEmptyStr(my_email)) {
3566 msg->cm_fields['P'] = strdup(my_email);
3569 snprintf(buf, sizeof buf, "%s", author->fullname);
3570 msg->cm_fields['P'] = strdup(buf);
3572 convert_spaces_to_underscores(msg->cm_fields['P']);
3574 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3575 msg->cm_fields['T'] = strdup(buf);
3577 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3578 FakeAuthor = NewStrBufPlain (fake_name, -1);
3581 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3583 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3584 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3585 FreeStrBuf(&FakeAuthor);
3587 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3588 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3591 msg->cm_fields['O'] = strdup(CC->room.QRname);
3594 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3595 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3597 if ((recipient != NULL) && (recipient[0] != 0)) {
3598 msg->cm_fields['R'] = strdup(recipient);
3600 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3601 msg->cm_fields['Y'] = strdup(recp_cc);
3603 if (dest_node[0] != 0) {
3604 msg->cm_fields['D'] = strdup(dest_node);
3607 if (!IsEmptyStr(my_email)) {
3608 msg->cm_fields['F'] = strdup(my_email);
3610 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3611 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3614 if (subject != NULL) {
3617 length = strlen(subject);
3623 while ((subject[i] != '\0') &&
3624 (IsAscii = isascii(subject[i]) != 0 ))
3627 msg->cm_fields['U'] = strdup(subject);
3628 else /* ok, we've got utf8 in the string. */
3630 msg->cm_fields['U'] = rfc2047encode(subject, length);
3636 if (supplied_euid != NULL) {
3637 msg->cm_fields['E'] = strdup(supplied_euid);
3640 if (references != NULL) {
3641 if (!IsEmptyStr(references)) {
3642 msg->cm_fields['W'] = strdup(references);
3646 if (preformatted_text != NULL) {
3647 msg->cm_fields['M'] = preformatted_text;
3650 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3658 * Check to see whether we have permission to post a message in the current
3659 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3660 * returns 0 on success.
3662 int CtdlDoIHavePermissionToPostInThisRoom(
3665 const char* RemoteIdentifier,
3671 if (!(CC->logged_in) &&
3672 (PostPublic == POST_LOGGED_IN)) {
3673 snprintf(errmsgbuf, n, "Not logged in.");
3674 return (ERROR + NOT_LOGGED_IN);
3676 else if (PostPublic == CHECK_EXISTANCE) {
3677 return (0); // We're Evaling whether a recipient exists
3679 else if (!(CC->logged_in)) {
3681 if ((CC->room.QRflags & QR_READONLY)) {
3682 snprintf(errmsgbuf, n, "Not logged in.");
3683 return (ERROR + NOT_LOGGED_IN);
3685 if (CC->room.QRflags2 & QR2_MODERATED) {
3686 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3687 return (ERROR + NOT_LOGGED_IN);
3689 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3694 if (RemoteIdentifier == NULL)
3696 snprintf(errmsgbuf, n, "Need sender to permit access.");
3697 return (ERROR + USERNAME_REQUIRED);
3700 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3701 begin_critical_section(S_NETCONFIGS);
3702 if (!read_spoolcontrol_file(&sc, filename))
3704 end_critical_section(S_NETCONFIGS);
3705 snprintf(errmsgbuf, n,
3706 "This mailing list only accepts posts from subscribers.");
3707 return (ERROR + NO_SUCH_USER);
3709 end_critical_section(S_NETCONFIGS);
3710 found = is_recipient (sc, RemoteIdentifier);
3711 free_spoolcontrol_struct(&sc);
3716 snprintf(errmsgbuf, n,
3717 "This mailing list only accepts posts from subscribers.");
3718 return (ERROR + NO_SUCH_USER);
3725 if ((CC->user.axlevel < AxProbU)
3726 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3727 snprintf(errmsgbuf, n, "Need to be validated to enter "
3728 "(except in %s> to sysop)", MAILROOM);
3729 return (ERROR + HIGHER_ACCESS_REQUIRED);
3732 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3734 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3736 * To be thorough, we ought to check to see if the message they are
3737 * replying to is actually a valid one in this room, but unless this
3738 * actually becomes a problem we'll go with high performance instead.
3740 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3741 return (ERROR + HIGHER_ACCESS_REQUIRED);
3744 else if (!(ra & UA_POSTALLOWED)) {
3745 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3746 return (ERROR + HIGHER_ACCESS_REQUIRED);
3749 strcpy(errmsgbuf, "Ok");
3755 * Check to see if the specified user has Internet mail permission
3756 * (returns nonzero if permission is granted)
3758 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3760 /* Do not allow twits to send Internet mail */
3761 if (who->axlevel <= AxProbU) return(0);
3763 /* Globally enabled? */
3764 if (config.c_restrict == 0) return(1);
3766 /* User flagged ok? */
3767 if (who->flags & US_INTERNET) return(2);
3769 /* Aide level access? */
3770 if (who->axlevel >= AxAideU) return(3);
3772 /* No mail for you! */
3778 * Validate recipients, count delivery types and errors, and handle aliasing
3779 * FIXME check for dupes!!!!!
3781 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3782 * were specified, or the number of addresses found invalid.
3784 * Caller needs to free the result using free_recipients()
3786 struct recptypes *validate_recipients(const char *supplied_recipients,
3787 const char *RemoteIdentifier,
3789 struct recptypes *ret;
3790 char *recipients = NULL;
3791 char this_recp[256];
3792 char this_recp_cooked[256];
3798 struct ctdluser tempUS;
3799 struct ctdlroom tempQR;
3800 struct ctdlroom tempQR2;
3806 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3807 if (ret == NULL) return(NULL);
3809 /* Set all strings to null and numeric values to zero */
3810 memset(ret, 0, sizeof(struct recptypes));
3812 if (supplied_recipients == NULL) {
3813 recipients = strdup("");
3816 recipients = strdup(supplied_recipients);
3819 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3820 * actually need, but it's healthier for the heap than doing lots of tiny
3821 * realloc() calls instead.
3824 ret->errormsg = malloc(strlen(recipients) + 1024);
3825 ret->recp_local = malloc(strlen(recipients) + 1024);
3826 ret->recp_internet = malloc(strlen(recipients) + 1024);
3827 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3828 ret->recp_room = malloc(strlen(recipients) + 1024);
3829 ret->display_recp = malloc(strlen(recipients) + 1024);
3831 ret->errormsg[0] = 0;
3832 ret->recp_local[0] = 0;
3833 ret->recp_internet[0] = 0;
3834 ret->recp_ignet[0] = 0;
3835 ret->recp_room[0] = 0;
3836 ret->display_recp[0] = 0;
3838 ret->recptypes_magic = RECPTYPES_MAGIC;
3840 /* Change all valid separator characters to commas */
3841 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3842 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3843 recipients[i] = ',';
3847 /* Now start extracting recipients... */
3849 while (!IsEmptyStr(recipients)) {
3851 for (i=0; i<=strlen(recipients); ++i) {
3852 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3853 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3854 safestrncpy(this_recp, recipients, i+1);
3856 if (recipients[i] == ',') {
3857 strcpy(recipients, &recipients[i+1]);
3860 strcpy(recipients, "");
3867 if (IsEmptyStr(this_recp))
3869 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3871 mailtype = alias(this_recp);
3872 mailtype = alias(this_recp);
3873 mailtype = alias(this_recp);
3875 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3876 if (this_recp[j]=='_') {
3877 this_recp_cooked[j] = ' ';
3880 this_recp_cooked[j] = this_recp[j];
3883 this_recp_cooked[j] = '\0';
3888 if (!strcasecmp(this_recp, "sysop")) {
3890 strcpy(this_recp, config.c_aideroom);
3891 if (!IsEmptyStr(ret->recp_room)) {
3892 strcat(ret->recp_room, "|");
3894 strcat(ret->recp_room, this_recp);
3896 else if ( (!strncasecmp(this_recp, "room_", 5))
3897 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3899 /* Save room so we can restore it later */
3903 /* Check permissions to send mail to this room */
3904 err = CtdlDoIHavePermissionToPostInThisRoom(
3909 0 /* 0 = not a reply */
3918 if (!IsEmptyStr(ret->recp_room)) {
3919 strcat(ret->recp_room, "|");
3921 strcat(ret->recp_room, &this_recp_cooked[5]);
3924 /* Restore room in case something needs it */
3928 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3930 strcpy(this_recp, tempUS.fullname);
3931 if (!IsEmptyStr(ret->recp_local)) {
3932 strcat(ret->recp_local, "|");
3934 strcat(ret->recp_local, this_recp);
3936 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3938 strcpy(this_recp, tempUS.fullname);
3939 if (!IsEmptyStr(ret->recp_local)) {
3940 strcat(ret->recp_local, "|");
3942 strcat(ret->recp_local, this_recp);
3950 /* Yes, you're reading this correctly: if the target
3951 * domain points back to the local system or an attached
3952 * Citadel directory, the address is invalid. That's
3953 * because if the address were valid, we would have
3954 * already translated it to a local address by now.
3956 if (IsDirectory(this_recp, 0)) {
3961 ++ret->num_internet;
3962 if (!IsEmptyStr(ret->recp_internet)) {
3963 strcat(ret->recp_internet, "|");
3965 strcat(ret->recp_internet, this_recp);
3970 if (!IsEmptyStr(ret->recp_ignet)) {
3971 strcat(ret->recp_ignet, "|");
3973 strcat(ret->recp_ignet, this_recp);
3981 if (IsEmptyStr(errmsg)) {
3982 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3985 snprintf(append, sizeof append, "%s", errmsg);
3987 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3988 if (!IsEmptyStr(ret->errormsg)) {
3989 strcat(ret->errormsg, "; ");
3991 strcat(ret->errormsg, append);
3995 if (IsEmptyStr(ret->display_recp)) {
3996 strcpy(append, this_recp);
3999 snprintf(append, sizeof append, ", %s", this_recp);
4001 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4002 strcat(ret->display_recp, append);
4007 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4008 ret->num_room + ret->num_error) == 0) {
4009 ret->num_error = (-1);
4010 strcpy(ret->errormsg, "No recipients specified.");
4013 syslog(LOG_DEBUG, "validate_recipients()\n");
4014 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4015 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4016 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4017 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4018 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4026 * Destructor for struct recptypes
4028 void free_recipients(struct recptypes *valid) {
4030 if (valid == NULL) {
4034 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4035 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4039 if (valid->errormsg != NULL) free(valid->errormsg);
4040 if (valid->recp_local != NULL) free(valid->recp_local);
4041 if (valid->recp_internet != NULL) free(valid->recp_internet);
4042 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4043 if (valid->recp_room != NULL) free(valid->recp_room);
4044 if (valid->display_recp != NULL) free(valid->display_recp);
4045 if (valid->bounce_to != NULL) free(valid->bounce_to);
4046 if (valid->envelope_from != NULL) free(valid->envelope_from);
4053 * message entry - mode 0 (normal)
4055 void cmd_ent0(char *entargs)
4061 char supplied_euid[128];
4063 int format_type = 0;
4064 char newusername[256];
4065 char newuseremail[256];
4066 struct CtdlMessage *msg;
4070 struct recptypes *valid = NULL;
4071 struct recptypes *valid_to = NULL;
4072 struct recptypes *valid_cc = NULL;
4073 struct recptypes *valid_bcc = NULL;
4075 int subject_required = 0;
4080 int newuseremail_ok = 0;
4081 char references[SIZ];
4086 post = extract_int(entargs, 0);
4087 extract_token(recp, entargs, 1, '|', sizeof recp);
4088 anon_flag = extract_int(entargs, 2);
4089 format_type = extract_int(entargs, 3);
4090 extract_token(subject, entargs, 4, '|', sizeof subject);
4091 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4092 do_confirm = extract_int(entargs, 6);
4093 extract_token(cc, entargs, 7, '|', sizeof cc);
4094 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4095 switch(CC->room.QRdefaultview) {
4098 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4101 supplied_euid[0] = 0;
4104 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4105 extract_token(references, entargs, 11, '|', sizeof references);
4106 for (ptr=references; *ptr != 0; ++ptr) {
4107 if (*ptr == '!') *ptr = '|';
4110 /* first check to make sure the request is valid. */
4112 err = CtdlDoIHavePermissionToPostInThisRoom(
4117 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4121 cprintf("%d %s\n", err, errmsg);
4125 /* Check some other permission type things. */
4127 if (IsEmptyStr(newusername)) {
4128 strcpy(newusername, CC->user.fullname);
4130 if ( (CC->user.axlevel < AxAideU)
4131 && (strcasecmp(newusername, CC->user.fullname))
4132 && (strcasecmp(newusername, CC->cs_inet_fn))
4134 cprintf("%d You don't have permission to author messages as '%s'.\n",
4135 ERROR + HIGHER_ACCESS_REQUIRED,
4142 if (IsEmptyStr(newuseremail)) {
4143 newuseremail_ok = 1;
4146 if (!IsEmptyStr(newuseremail)) {
4147 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4148 newuseremail_ok = 1;
4150 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4151 j = num_tokens(CC->cs_inet_other_emails, '|');
4152 for (i=0; i<j; ++i) {
4153 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4154 if (!strcasecmp(newuseremail, buf)) {
4155 newuseremail_ok = 1;
4161 if (!newuseremail_ok) {
4162 cprintf("%d You don't have permission to author messages as '%s'.\n",
4163 ERROR + HIGHER_ACCESS_REQUIRED,
4169 CC->cs_flags |= CS_POSTING;
4171 /* In mailbox rooms we have to behave a little differently --
4172 * make sure the user has specified at least one recipient. Then
4173 * validate the recipient(s). We do this for the Mail> room, as
4174 * well as any room which has the "Mailbox" view set - unless it
4175 * is the DRAFTS room which does not require recipients
4178 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4179 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4180 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4181 if (CC->user.axlevel < AxProbU) {
4182 strcpy(recp, "sysop");
4187 valid_to = validate_recipients(recp, NULL, 0);
4188 if (valid_to->num_error > 0) {
4189 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4190 free_recipients(valid_to);
4194 valid_cc = validate_recipients(cc, NULL, 0);
4195 if (valid_cc->num_error > 0) {
4196 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4197 free_recipients(valid_to);
4198 free_recipients(valid_cc);
4202 valid_bcc = validate_recipients(bcc, NULL, 0);
4203 if (valid_bcc->num_error > 0) {
4204 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4205 free_recipients(valid_to);
4206 free_recipients(valid_cc);
4207 free_recipients(valid_bcc);
4211 /* Recipient required, but none were specified */
4212 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4213 free_recipients(valid_to);
4214 free_recipients(valid_cc);
4215 free_recipients(valid_bcc);
4216 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4220 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4221 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4222 cprintf("%d You do not have permission "
4223 "to send Internet mail.\n",
4224 ERROR + HIGHER_ACCESS_REQUIRED);
4225 free_recipients(valid_to);
4226 free_recipients(valid_cc);
4227 free_recipients(valid_bcc);
4232 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)
4233 && (CC->user.axlevel < AxNetU) ) {
4234 cprintf("%d Higher access required for network mail.\n",
4235 ERROR + HIGHER_ACCESS_REQUIRED);
4236 free_recipients(valid_to);
4237 free_recipients(valid_cc);
4238 free_recipients(valid_bcc);
4242 if ((RESTRICT_INTERNET == 1)
4243 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4244 && ((CC->user.flags & US_INTERNET) == 0)
4245 && (!CC->internal_pgm)) {
4246 cprintf("%d You don't have access to Internet mail.\n",
4247 ERROR + HIGHER_ACCESS_REQUIRED);
4248 free_recipients(valid_to);
4249 free_recipients(valid_cc);
4250 free_recipients(valid_bcc);
4256 /* Is this a room which has anonymous-only or anonymous-option? */
4257 anonymous = MES_NORMAL;
4258 if (CC->room.QRflags & QR_ANONONLY) {
4259 anonymous = MES_ANONONLY;
4261 if (CC->room.QRflags & QR_ANONOPT) {
4262 if (anon_flag == 1) { /* only if the user requested it */
4263 anonymous = MES_ANONOPT;
4267 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4271 /* Recommend to the client that the use of a message subject is
4272 * strongly recommended in this room, if either the SUBJECTREQ flag
4273 * is set, or if there is one or more Internet email recipients.
4275 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4276 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4277 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4278 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4280 /* If we're only checking the validity of the request, return
4281 * success without creating the message.
4284 cprintf("%d %s|%d\n", CIT_OK,
4285 ((valid_to != NULL) ? valid_to->display_recp : ""),
4287 free_recipients(valid_to);
4288 free_recipients(valid_cc);
4289 free_recipients(valid_bcc);
4293 /* We don't need these anymore because we'll do it differently below */
4294 free_recipients(valid_to);
4295 free_recipients(valid_cc);
4296 free_recipients(valid_bcc);
4298 /* Read in the message from the client. */
4300 cprintf("%d send message\n", START_CHAT_MODE);
4302 cprintf("%d send message\n", SEND_LISTING);
4305 msg = CtdlMakeMessage(&CC->user, recp, cc,
4306 CC->room.QRname, anonymous, format_type,
4307 newusername, newuseremail, subject,
4308 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4311 /* Put together one big recipients struct containing to/cc/bcc all in
4312 * one. This is for the envelope.
4314 char *all_recps = malloc(SIZ * 3);
4315 strcpy(all_recps, recp);
4316 if (!IsEmptyStr(cc)) {
4317 if (!IsEmptyStr(all_recps)) {
4318 strcat(all_recps, ",");
4320 strcat(all_recps, cc);
4322 if (!IsEmptyStr(bcc)) {
4323 if (!IsEmptyStr(all_recps)) {
4324 strcat(all_recps, ",");
4326 strcat(all_recps, bcc);
4328 if (!IsEmptyStr(all_recps)) {
4329 valid = validate_recipients(all_recps, NULL, 0);
4337 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4340 cprintf("%ld\n", msgnum);
4342 cprintf("Message accepted.\n");
4345 cprintf("Internal error.\n");
4347 if (msg->cm_fields['E'] != NULL) {
4348 cprintf("%s\n", msg->cm_fields['E']);
4355 CtdlFreeMessage(msg);
4357 if (valid != NULL) {
4358 free_recipients(valid);
4366 * API function to delete messages which match a set of criteria
4367 * (returns the actual number of messages deleted)
4369 int CtdlDeleteMessages(char *room_name, /* which room */
4370 long *dmsgnums, /* array of msg numbers to be deleted */
4371 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4372 char *content_type /* or "" for any. regular expressions expected. */
4375 struct ctdlroom qrbuf;
4376 struct cdbdata *cdbfr;
4377 long *msglist = NULL;
4378 long *dellist = NULL;
4381 int num_deleted = 0;
4383 struct MetaData smi;
4386 int need_to_free_re = 0;
4388 if (content_type) if (!IsEmptyStr(content_type)) {
4389 regcomp(&re, content_type, 0);
4390 need_to_free_re = 1;
4392 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4393 room_name, num_dmsgnums, content_type);
4395 /* get room record, obtaining a lock... */
4396 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4397 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4399 if (need_to_free_re) regfree(&re);
4400 return (0); /* room not found */
4402 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4404 if (cdbfr != NULL) {
4405 dellist = malloc(cdbfr->len);
4406 msglist = (long *) cdbfr->ptr;
4407 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4408 num_msgs = cdbfr->len / sizeof(long);
4412 for (i = 0; i < num_msgs; ++i) {
4415 /* Set/clear a bit for each criterion */
4417 /* 0 messages in the list or a null list means that we are
4418 * interested in deleting any messages which meet the other criteria.
4420 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4421 delete_this |= 0x01;
4424 for (j=0; j<num_dmsgnums; ++j) {
4425 if (msglist[i] == dmsgnums[j]) {
4426 delete_this |= 0x01;
4431 if (IsEmptyStr(content_type)) {
4432 delete_this |= 0x02;
4434 GetMetaData(&smi, msglist[i]);
4435 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4436 delete_this |= 0x02;
4440 /* Delete message only if all bits are set */
4441 if (delete_this == 0x03) {
4442 dellist[num_deleted++] = msglist[i];
4447 num_msgs = sort_msglist(msglist, num_msgs);
4448 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4449 msglist, (int)(num_msgs * sizeof(long)));
4452 qrbuf.QRhighest = msglist[num_msgs - 1];
4454 qrbuf.QRhighest = 0;
4456 CtdlPutRoomLock(&qrbuf);
4458 /* Go through the messages we pulled out of the index, and decrement
4459 * their reference counts by 1. If this is the only room the message
4460 * was in, the reference count will reach zero and the message will
4461 * automatically be deleted from the database. We do this in a
4462 * separate pass because there might be plug-in hooks getting called,
4463 * and we don't want that happening during an S_ROOMS critical
4466 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4467 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4468 AdjRefCount(dellist[i], -1);
4471 /* Now free the memory we used, and go away. */
4472 if (msglist != NULL) free(msglist);
4473 if (dellist != NULL) free(dellist);
4474 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4475 if (need_to_free_re) regfree(&re);
4476 return (num_deleted);
4482 * Check whether the current user has permission to delete messages from
4483 * the current room (returns 1 for yes, 0 for no)
4485 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4487 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4488 if (ra & UA_DELETEALLOWED) return(1);
4496 * Delete message from current room
4498 void cmd_dele(char *args)
4507 extract_token(msgset, args, 0, '|', sizeof msgset);
4508 num_msgs = num_tokens(msgset, ',');
4510 cprintf("%d Nothing to do.\n", CIT_OK);
4514 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4515 cprintf("%d Higher access required.\n",
4516 ERROR + HIGHER_ACCESS_REQUIRED);
4521 * Build our message set to be moved/copied
4523 msgs = malloc(num_msgs * sizeof(long));
4524 for (i=0; i<num_msgs; ++i) {
4525 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4526 msgs[i] = atol(msgtok);
4529 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4533 cprintf("%d %d message%s deleted.\n", CIT_OK,
4534 num_deleted, ((num_deleted != 1) ? "s" : ""));
4536 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4544 * move or copy a message to another room
4546 void cmd_move(char *args)
4553 char targ[ROOMNAMELEN];
4554 struct ctdlroom qtemp;
4561 extract_token(msgset, args, 0, '|', sizeof msgset);
4562 num_msgs = num_tokens(msgset, ',');
4564 cprintf("%d Nothing to do.\n", CIT_OK);
4568 extract_token(targ, args, 1, '|', sizeof targ);
4569 convert_room_name_macros(targ, sizeof targ);
4570 targ[ROOMNAMELEN - 1] = 0;
4571 is_copy = extract_int(args, 2);
4573 if (CtdlGetRoom(&qtemp, targ) != 0) {
4574 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4578 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4579 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4583 CtdlGetUser(&CC->user, CC->curr_user);
4584 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4586 /* Check for permission to perform this operation.
4587 * Remember: "CC->room" is source, "qtemp" is target.
4591 /* Aides can move/copy */
4592 if (CC->user.axlevel >= AxAideU) permit = 1;
4594 /* Room aides can move/copy */
4595 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4597 /* Permit move/copy from personal rooms */
4598 if ((CC->room.QRflags & QR_MAILBOX)
4599 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4601 /* Permit only copy from public to personal room */
4603 && (!(CC->room.QRflags & QR_MAILBOX))
4604 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4606 /* Permit message removal from collaborative delete rooms */
4607 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4609 /* Users allowed to post into the target room may move into it too. */
4610 if ((CC->room.QRflags & QR_MAILBOX) &&
4611 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4613 /* User must have access to target room */
4614 if (!(ra & UA_KNOWN)) permit = 0;
4617 cprintf("%d Higher access required.\n",
4618 ERROR + HIGHER_ACCESS_REQUIRED);
4623 * Build our message set to be moved/copied
4625 msgs = malloc(num_msgs * sizeof(long));
4626 for (i=0; i<num_msgs; ++i) {
4627 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4628 msgs[i] = atol(msgtok);
4634 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4636 cprintf("%d Cannot store message(s) in %s: error %d\n",
4642 /* Now delete the message from the source room,
4643 * if this is a 'move' rather than a 'copy' operation.
4646 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4650 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4656 * GetMetaData() - Get the supplementary record for a message
4658 void GetMetaData(struct MetaData *smibuf, long msgnum)
4661 struct cdbdata *cdbsmi;
4664 memset(smibuf, 0, sizeof(struct MetaData));
4665 smibuf->meta_msgnum = msgnum;
4666 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4668 /* Use the negative of the message number for its supp record index */
4669 TheIndex = (0L - msgnum);
4671 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4672 if (cdbsmi == NULL) {
4673 return; /* record not found; go with defaults */
4675 memcpy(smibuf, cdbsmi->ptr,
4676 ((cdbsmi->len > sizeof(struct MetaData)) ?
4677 sizeof(struct MetaData) : cdbsmi->len));
4684 * PutMetaData() - (re)write supplementary record for a message
4686 void PutMetaData(struct MetaData *smibuf)
4690 /* Use the negative of the message number for the metadata db index */
4691 TheIndex = (0L - smibuf->meta_msgnum);
4693 cdb_store(CDB_MSGMAIN,
4694 &TheIndex, (int)sizeof(long),
4695 smibuf, (int)sizeof(struct MetaData));
4700 * AdjRefCount - submit an adjustment to the reference count for a message.
4701 * (These are just queued -- we actually process them later.)
4703 void AdjRefCount(long msgnum, int incr)
4705 struct arcq new_arcq;
4708 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4712 begin_critical_section(S_SUPPMSGMAIN);
4713 if (arcfp == NULL) {
4714 arcfp = fopen(file_arcq, "ab+");
4716 end_critical_section(S_SUPPMSGMAIN);
4718 /* msgnum < 0 means that we're trying to close the file */
4720 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4721 begin_critical_section(S_SUPPMSGMAIN);
4722 if (arcfp != NULL) {
4726 end_critical_section(S_SUPPMSGMAIN);
4731 * If we can't open the queue, perform the operation synchronously.
4733 if (arcfp == NULL) {
4734 TDAP_AdjRefCount(msgnum, incr);
4738 new_arcq.arcq_msgnum = msgnum;
4739 new_arcq.arcq_delta = incr;
4740 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4748 * TDAP_ProcessAdjRefCountQueue()
4750 * Process the queue of message count adjustments that was created by calls
4751 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4752 * for each one. This should be an "off hours" operation.
4754 int TDAP_ProcessAdjRefCountQueue(void)
4756 char file_arcq_temp[PATH_MAX];
4759 struct arcq arcq_rec;
4760 int num_records_processed = 0;
4762 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4764 begin_critical_section(S_SUPPMSGMAIN);
4765 if (arcfp != NULL) {
4770 r = link(file_arcq, file_arcq_temp);
4772 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4773 end_critical_section(S_SUPPMSGMAIN);
4774 return(num_records_processed);
4778 end_critical_section(S_SUPPMSGMAIN);
4780 fp = fopen(file_arcq_temp, "rb");
4782 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4783 return(num_records_processed);
4786 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4787 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4788 ++num_records_processed;
4792 r = unlink(file_arcq_temp);
4794 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4797 return(num_records_processed);
4803 * TDAP_AdjRefCount - adjust the reference count for a message.
4804 * This one does it "for real" because it's called by
4805 * the autopurger function that processes the queue
4806 * created by AdjRefCount(). If a message's reference
4807 * count becomes zero, we also delete the message from
4808 * disk and de-index it.
4810 void TDAP_AdjRefCount(long msgnum, int incr)
4813 struct MetaData smi;
4816 /* This is a *tight* critical section; please keep it that way, as
4817 * it may get called while nested in other critical sections.
4818 * Complicating this any further will surely cause deadlock!
4820 begin_critical_section(S_SUPPMSGMAIN);
4821 GetMetaData(&smi, msgnum);
4822 smi.meta_refcount += incr;
4824 end_critical_section(S_SUPPMSGMAIN);
4825 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4826 msgnum, incr, smi.meta_refcount
4829 /* If the reference count is now zero, delete the message
4830 * (and its supplementary record as well).
4832 if (smi.meta_refcount == 0) {
4833 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4835 /* Call delete hooks with NULL room to show it has gone altogether */
4836 PerformDeleteHooks(NULL, msgnum);
4838 /* Remove from message base */
4840 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4841 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4843 /* Remove metadata record */
4844 delnum = (0L - msgnum);
4845 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4851 * Write a generic object to this room
4853 * Note: this could be much more efficient. Right now we use two temporary
4854 * files, and still pull the message into memory as with all others.
4856 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4857 char *content_type, /* MIME type of this object */
4858 char *raw_message, /* Data to be written */
4859 off_t raw_length, /* Size of raw_message */
4860 struct ctdluser *is_mailbox, /* Mailbox room? */
4861 int is_binary, /* Is encoding necessary? */
4862 int is_unique, /* Del others of this type? */
4863 unsigned int flags /* Internal save flags */
4867 struct ctdlroom qrbuf;
4868 char roomname[ROOMNAMELEN];
4869 struct CtdlMessage *msg;
4870 char *encoded_message = NULL;
4872 if (is_mailbox != NULL) {
4873 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4876 safestrncpy(roomname, req_room, sizeof(roomname));
4879 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4882 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4885 encoded_message = malloc((size_t)(raw_length + 4096));
4888 sprintf(encoded_message, "Content-type: %s\n", content_type);
4891 sprintf(&encoded_message[strlen(encoded_message)],
4892 "Content-transfer-encoding: base64\n\n"
4896 sprintf(&encoded_message[strlen(encoded_message)],
4897 "Content-transfer-encoding: 7bit\n\n"
4903 &encoded_message[strlen(encoded_message)],
4911 &encoded_message[strlen(encoded_message)],
4917 syslog(LOG_DEBUG, "Allocating\n");
4918 msg = malloc(sizeof(struct CtdlMessage));
4919 memset(msg, 0, sizeof(struct CtdlMessage));
4920 msg->cm_magic = CTDLMESSAGE_MAGIC;
4921 msg->cm_anon_type = MES_NORMAL;
4922 msg->cm_format_type = 4;
4923 msg->cm_fields['A'] = strdup(CC->user.fullname);
4924 msg->cm_fields['O'] = strdup(req_room);
4925 msg->cm_fields['N'] = strdup(config.c_nodename);
4926 msg->cm_fields['H'] = strdup(config.c_humannode);
4927 msg->cm_flags = flags;
4929 msg->cm_fields['M'] = encoded_message;
4931 /* Create the requested room if we have to. */
4932 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4933 CtdlCreateRoom(roomname,
4934 ( (is_mailbox != NULL) ? 5 : 3 ),
4935 "", 0, 1, 0, VIEW_BBS);
4937 /* If the caller specified this object as unique, delete all
4938 * other objects of this type that are currently in the room.
4941 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
4942 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4945 /* Now write the data */
4946 CtdlSubmitMsg(msg, NULL, roomname, 0);
4947 CtdlFreeMessage(msg);
4955 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4956 config_msgnum = msgnum;
4960 char *CtdlGetSysConfig(char *sysconfname) {
4961 char hold_rm[ROOMNAMELEN];
4964 struct CtdlMessage *msg;
4967 strcpy(hold_rm, CC->room.QRname);
4968 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4969 CtdlGetRoom(&CC->room, hold_rm);
4974 /* We want the last (and probably only) config in this room */
4975 begin_critical_section(S_CONFIG);
4976 config_msgnum = (-1L);
4977 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4978 CtdlGetSysConfigBackend, NULL);
4979 msgnum = config_msgnum;
4980 end_critical_section(S_CONFIG);
4986 msg = CtdlFetchMessage(msgnum, 1);
4988 conf = strdup(msg->cm_fields['M']);
4989 CtdlFreeMessage(msg);
4996 CtdlGetRoom(&CC->room, hold_rm);
4998 if (conf != NULL) do {
4999 extract_token(buf, conf, 0, '\n', sizeof buf);
5000 strcpy(conf, &conf[strlen(buf)+1]);
5001 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5007 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5008 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5013 * Determine whether a given Internet address belongs to the current user
5015 int CtdlIsMe(char *addr, int addr_buf_len)
5017 struct recptypes *recp;
5020 recp = validate_recipients(addr, NULL, 0);
5021 if (recp == NULL) return(0);
5023 if (recp->num_local == 0) {
5024 free_recipients(recp);
5028 for (i=0; i<recp->num_local; ++i) {
5029 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5030 if (!strcasecmp(addr, CC->user.fullname)) {
5031 free_recipients(recp);
5036 free_recipients(recp);
5042 * Citadel protocol command to do the same
5044 void cmd_isme(char *argbuf) {
5047 if (CtdlAccessCheck(ac_logged_in)) return;
5048 extract_token(addr, argbuf, 0, '|', sizeof addr);
5050 if (CtdlIsMe(addr, sizeof addr)) {
5051 cprintf("%d %s\n", CIT_OK, addr);
5054 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5060 /*****************************************************************************/
5061 /* MODULE INITIALIZATION STUFF */
5062 /*****************************************************************************/
5064 CTDL_MODULE_INIT(msgbase)
5067 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5068 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5069 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5070 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5071 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5072 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5073 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5074 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5075 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5076 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5077 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5078 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5081 /* return our Subversion id for the Log */