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 /* FIXME FIXME SLOW SEARCH DO NOT LET THIS GO INTO PRODUCTION */
1532 for (i=0; i < CC->cached_num_msgs ; ++i) {
1533 if (CC->cached_msglist[i] == msgnum) return om_ok;
1536 return om_access_denied;
1541 * Determine whether the currently logged in session has permission to read
1542 * messages in the current room.
1544 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1545 if ( (!(CC->logged_in))
1546 && (!(CC->internal_pgm))
1547 && (!config.c_guest_logins)
1549 return(om_not_logged_in);
1556 * Get a message off disk. (returns om_* values found in msgbase.h)
1559 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1560 int mode, /* how would you like that message? */
1561 int headers_only, /* eschew the message body? */
1562 int do_proto, /* do Citadel protocol responses? */
1563 int crlf, /* Use CRLF newlines instead of LF? */
1564 char *section, /* NULL or a message/rfc822 section */
1565 int flags /* various flags; see msgbase.h */
1567 struct CtdlMessage *TheMessage = NULL;
1568 int retcode = om_no_such_msg;
1569 struct encapmsg encap;
1572 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1574 (section ? section : "<>")
1577 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1580 if (r == om_not_logged_in) {
1581 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1584 cprintf("%d An unknown error has occurred.\n", ERROR);
1590 r = check_cached_msglist(msg_num);
1592 syslog(LOG_DEBUG, "\033[32m PASS \033[0m\n");
1595 syslog(LOG_DEBUG, "\033[31m FAIL \033[0m\n");
1597 /* FIXME after testing, this is where we deny access */
1600 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1601 * request that we don't even bother loading the body into memory.
1603 if (headers_only == HEADERS_FAST) {
1604 TheMessage = CtdlFetchMessage(msg_num, 0);
1607 TheMessage = CtdlFetchMessage(msg_num, 1);
1610 if (TheMessage == NULL) {
1611 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1612 ERROR + MESSAGE_NOT_FOUND, msg_num);
1613 return(om_no_such_msg);
1616 /* Here is the weird form of this command, to process only an
1617 * encapsulated message/rfc822 section.
1619 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1620 memset(&encap, 0, sizeof encap);
1621 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1622 mime_parser(TheMessage->cm_fields['M'],
1624 *extract_encapsulated_message,
1625 NULL, NULL, (void *)&encap, 0
1627 CtdlFreeMessage(TheMessage);
1631 encap.msg[encap.msglen] = 0;
1632 TheMessage = convert_internet_message(encap.msg);
1633 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1635 /* Now we let it fall through to the bottom of this
1636 * function, because TheMessage now contains the
1637 * encapsulated message instead of the top-level
1638 * message. Isn't that neat?
1643 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1644 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1645 retcode = om_no_such_msg;
1650 /* Ok, output the message now */
1651 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1652 CtdlFreeMessage(TheMessage);
1658 char *qp_encode_email_addrs(char *source)
1660 char *user, *node, *name;
1661 const char headerStr[] = "=?UTF-8?Q?";
1665 int need_to_encode = 0;
1671 long nAddrPtrMax = 50;
1676 if (source == NULL) return source;
1677 if (IsEmptyStr(source)) return source;
1679 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1681 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1682 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1683 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1686 while (!IsEmptyStr (&source[i])) {
1687 if (nColons >= nAddrPtrMax){
1690 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1691 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1692 free (AddrPtr), AddrPtr = ptr;
1694 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1695 memset(&ptr[nAddrPtrMax], 0,
1696 sizeof (long) * nAddrPtrMax);
1698 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1699 free (AddrUtf8), AddrUtf8 = ptr;
1702 if (((unsigned char) source[i] < 32) ||
1703 ((unsigned char) source[i] > 126)) {
1705 AddrUtf8[nColons] = 1;
1707 if (source[i] == '"')
1708 InQuotes = !InQuotes;
1709 if (!InQuotes && source[i] == ',') {
1710 AddrPtr[nColons] = i;
1715 if (need_to_encode == 0) {
1722 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1723 Encoded = (char*) malloc (EncodedMaxLen);
1725 for (i = 0; i < nColons; i++)
1726 source[AddrPtr[i]++] = '\0';
1727 /* TODO: if libidn, this might get larger*/
1728 user = malloc(SourceLen + 1);
1729 node = malloc(SourceLen + 1);
1730 name = malloc(SourceLen + 1);
1734 for (i = 0; i < nColons && nPtr != NULL; i++) {
1735 nmax = EncodedMaxLen - (nPtr - Encoded);
1737 process_rfc822_addr(&source[AddrPtr[i]],
1741 /* TODO: libIDN here ! */
1742 if (IsEmptyStr(name)) {
1743 n = snprintf(nPtr, nmax,
1744 (i==0)?"%s@%s" : ",%s@%s",
1748 EncodedName = rfc2047encode(name, strlen(name));
1749 n = snprintf(nPtr, nmax,
1750 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1751 EncodedName, user, node);
1756 n = snprintf(nPtr, nmax,
1757 (i==0)?"%s" : ",%s",
1758 &source[AddrPtr[i]]);
1764 ptr = (char*) malloc(EncodedMaxLen * 2);
1765 memcpy(ptr, Encoded, EncodedMaxLen);
1766 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1767 free(Encoded), Encoded = ptr;
1769 i--; /* do it once more with properly lengthened buffer */
1772 for (i = 0; i < nColons; i++)
1773 source[--AddrPtr[i]] = ',';
1784 /* If the last item in a list of recipients was truncated to a partial address,
1785 * remove it completely in order to avoid choking libSieve
1787 void sanitize_truncated_recipient(char *str)
1790 if (num_tokens(str, ',') < 2) return;
1792 int len = strlen(str);
1793 if (len < 900) return;
1794 if (len > 998) str[998] = 0;
1796 char *cptr = strrchr(str, ',');
1799 char *lptr = strchr(cptr, '<');
1800 char *rptr = strchr(cptr, '>');
1802 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1808 void OutputCtdlMsgHeaders(
1809 struct CtdlMessage *TheMessage,
1810 int do_proto) /* do Citadel protocol responses? */
1816 char display_name[256];
1818 /* begin header processing loop for Citadel message format */
1819 safestrncpy(display_name, "<unknown>", sizeof display_name);
1820 if (TheMessage->cm_fields['A']) {
1821 strcpy(buf, TheMessage->cm_fields['A']);
1822 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1823 safestrncpy(display_name, "****", sizeof display_name);
1825 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1826 safestrncpy(display_name, "anonymous", sizeof display_name);
1829 safestrncpy(display_name, buf, sizeof display_name);
1831 if ((is_room_aide())
1832 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1833 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1834 size_t tmp = strlen(display_name);
1835 snprintf(&display_name[tmp],
1836 sizeof display_name - tmp,
1841 /* Don't show Internet address for users on the
1842 * local Citadel network.
1845 if (TheMessage->cm_fields['N'] != NULL)
1846 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1847 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1851 /* Now spew the header fields in the order we like them. */
1852 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1853 for (i=0; i<n; ++i) {
1854 k = (int) allkeys[i];
1856 if ( (TheMessage->cm_fields[k] != NULL)
1857 && (msgkeys[k] != NULL) ) {
1858 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1859 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1862 if (do_proto) cprintf("%s=%s\n",
1866 else if ((k == 'F') && (suppress_f)) {
1869 /* Masquerade display name if needed */
1871 if (do_proto) cprintf("%s=%s\n",
1873 TheMessage->cm_fields[k]
1882 void OutputRFC822MsgHeaders(
1883 struct CtdlMessage *TheMessage,
1884 int flags, /* should the bessage be exported clean */
1886 char *mid, long sizeof_mid,
1887 char *suser, long sizeof_suser,
1888 char *luser, long sizeof_luser,
1889 char *fuser, long sizeof_fuser,
1890 char *snode, long sizeof_snode)
1892 char datestamp[100];
1893 int subject_found = 0;
1899 for (i = 0; i < 256; ++i) {
1900 if (TheMessage->cm_fields[i]) {
1901 mptr = mpptr = TheMessage->cm_fields[i];
1904 safestrncpy(luser, mptr, sizeof_luser);
1905 safestrncpy(suser, mptr, sizeof_suser);
1907 else if (i == 'Y') {
1908 if ((flags & QP_EADDR) != 0) {
1909 mptr = qp_encode_email_addrs(mptr);
1911 sanitize_truncated_recipient(mptr);
1912 cprintf("CC: %s%s", mptr, nl);
1914 else if (i == 'P') {
1915 cprintf("Return-Path: %s%s", mptr, nl);
1917 else if (i == 'L') {
1918 cprintf("List-ID: %s%s", mptr, nl);
1920 else if (i == 'V') {
1921 if ((flags & QP_EADDR) != 0)
1922 mptr = qp_encode_email_addrs(mptr);
1923 cprintf("Envelope-To: %s%s", mptr, nl);
1925 else if (i == 'U') {
1926 cprintf("Subject: %s%s", mptr, nl);
1930 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1932 safestrncpy(fuser, mptr, sizeof_fuser);
1933 /* else if (i == 'O')
1934 cprintf("X-Citadel-Room: %s%s",
1937 safestrncpy(snode, mptr, sizeof_snode);
1940 if (haschar(mptr, '@') == 0)
1942 sanitize_truncated_recipient(mptr);
1943 cprintf("To: %s@%s", mptr, config.c_fqdn);
1948 if ((flags & QP_EADDR) != 0) {
1949 mptr = qp_encode_email_addrs(mptr);
1951 sanitize_truncated_recipient(mptr);
1952 cprintf("To: %s", mptr);
1956 else if (i == 'T') {
1957 datestring(datestamp, sizeof datestamp,
1958 atol(mptr), DATESTRING_RFC822);
1959 cprintf("Date: %s%s", datestamp, nl);
1961 else if (i == 'W') {
1962 cprintf("References: ");
1963 k = num_tokens(mptr, '|');
1964 for (j=0; j<k; ++j) {
1965 extract_token(buf, mptr, j, '|', sizeof buf);
1966 cprintf("<%s>", buf);
1975 else if (i == 'K') {
1976 cprintf("Reply-To: <%s>%s", mptr, nl);
1982 if (subject_found == 0) {
1983 cprintf("Subject: (no subject)%s", nl);
1988 void Dump_RFC822HeadersBody(
1989 struct CtdlMessage *TheMessage,
1990 int headers_only, /* eschew the message body? */
1991 int flags, /* should the bessage be exported clean? */
1995 cit_uint8_t prev_ch;
1997 const char *StartOfText = StrBufNOTNULL;
2000 int nllen = strlen(nl);
2003 mptr = TheMessage->cm_fields['M'];
2007 while (*mptr != '\0') {
2008 if (*mptr == '\r') {
2015 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2017 eoh = *(mptr+1) == '\n';
2021 StartOfText = strchr(StartOfText, '\n');
2022 StartOfText = strchr(StartOfText, '\n');
2025 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2026 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2027 ((headers_only != HEADERS_NONE) &&
2028 (headers_only != HEADERS_ONLY))
2030 if (*mptr == '\n') {
2031 memcpy(&outbuf[outlen], nl, nllen);
2033 outbuf[outlen] = '\0';
2036 outbuf[outlen++] = *mptr;
2040 if (flags & ESC_DOT)
2042 if ((prev_ch == '\n') &&
2044 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2046 outbuf[outlen++] = '.';
2051 if (outlen > 1000) {
2052 client_write(outbuf, outlen);
2057 client_write(outbuf, outlen);
2064 /* If the format type on disk is 1 (fixed-format), then we want
2065 * everything to be output completely literally ... regardless of
2066 * what message transfer format is in use.
2068 void DumpFormatFixed(
2069 struct CtdlMessage *TheMessage,
2070 int mode, /* how would you like that message? */
2077 int nllen = strlen (nl);
2080 mptr = TheMessage->cm_fields['M'];
2082 if (mode == MT_MIME) {
2083 cprintf("Content-type: text/plain\n\n");
2087 while (ch = *mptr++, ch > 0) {
2091 if ((buflen > 250) && (!xlline)){
2095 while ((buflen > 0) &&
2096 (!isspace(buf[buflen])))
2102 mptr -= tbuflen - buflen;
2107 /* if we reach the outer bounds of our buffer,
2108 abort without respect what whe purge. */
2111 (buflen > SIZ - nllen - 2)))
2115 memcpy (&buf[buflen], nl, nllen);
2119 client_write(buf, buflen);
2129 if (!IsEmptyStr(buf))
2130 cprintf("%s%s", buf, nl);
2134 * Get a message off disk. (returns om_* values found in msgbase.h)
2136 int CtdlOutputPreLoadedMsg(
2137 struct CtdlMessage *TheMessage,
2138 int mode, /* how would you like that message? */
2139 int headers_only, /* eschew the message body? */
2140 int do_proto, /* do Citadel protocol responses? */
2141 int crlf, /* Use CRLF newlines instead of LF? */
2142 int flags /* should the bessage be exported clean? */
2146 const char *nl; /* newline string */
2149 /* Buffers needed for RFC822 translation. These are all filled
2150 * using functions that are bounds-checked, and therefore we can
2151 * make them substantially smaller than SIZ.
2159 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2160 ((TheMessage == NULL) ? "NULL" : "not null"),
2161 mode, headers_only, do_proto, crlf);
2163 strcpy(mid, "unknown");
2164 nl = (crlf ? "\r\n" : "\n");
2166 if (!is_valid_message(TheMessage)) {
2168 "ERROR: invalid preloaded message for output\n");
2170 return(om_no_such_msg);
2173 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2174 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2176 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2177 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2180 /* Are we downloading a MIME component? */
2181 if (mode == MT_DOWNLOAD) {
2182 if (TheMessage->cm_format_type != FMT_RFC822) {
2184 cprintf("%d This is not a MIME message.\n",
2185 ERROR + ILLEGAL_VALUE);
2186 } else if (CC->download_fp != NULL) {
2187 if (do_proto) cprintf(
2188 "%d You already have a download open.\n",
2189 ERROR + RESOURCE_BUSY);
2191 /* Parse the message text component */
2192 mptr = TheMessage->cm_fields['M'];
2193 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2194 /* If there's no file open by this time, the requested
2195 * section wasn't found, so print an error
2197 if (CC->download_fp == NULL) {
2198 if (do_proto) cprintf(
2199 "%d Section %s not found.\n",
2200 ERROR + FILE_NOT_FOUND,
2201 CC->download_desired_section);
2204 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2207 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2208 * in a single server operation instead of opening a download file.
2210 if (mode == MT_SPEW_SECTION) {
2211 if (TheMessage->cm_format_type != FMT_RFC822) {
2213 cprintf("%d This is not a MIME message.\n",
2214 ERROR + ILLEGAL_VALUE);
2216 /* Parse the message text component */
2219 mptr = TheMessage->cm_fields['M'];
2220 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2221 /* If section wasn't found, print an error
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 /* now for the user-mode message reading loops */
2234 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2236 /* Does the caller want to skip the headers? */
2237 if (headers_only == HEADERS_NONE) goto START_TEXT;
2239 /* Tell the client which format type we're using. */
2240 if ( (mode == MT_CITADEL) && (do_proto) ) {
2241 cprintf("type=%d\n", TheMessage->cm_format_type);
2244 /* nhdr=yes means that we're only displaying headers, no body */
2245 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2246 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2249 cprintf("nhdr=yes\n");
2252 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2253 OutputCtdlMsgHeaders(TheMessage, do_proto);
2256 /* begin header processing loop for RFC822 transfer format */
2260 strcpy(snode, NODENAME);
2261 if (mode == MT_RFC822)
2262 OutputRFC822MsgHeaders(
2267 suser, sizeof(suser),
2268 luser, sizeof(luser),
2269 fuser, sizeof(fuser),
2270 snode, sizeof(snode)
2274 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2275 suser[i] = tolower(suser[i]);
2276 if (!isalnum(suser[i])) suser[i]='_';
2279 if (mode == MT_RFC822) {
2280 if (!strcasecmp(snode, NODENAME)) {
2281 safestrncpy(snode, FQDN, sizeof snode);
2284 /* Construct a fun message id */
2285 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2286 if (strchr(mid, '@')==NULL) {
2287 cprintf("@%s", snode);
2291 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2292 cprintf("From: \"----\" <x@x.org>%s", nl);
2294 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2295 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2297 else if (!IsEmptyStr(fuser)) {
2298 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2301 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2304 /* Blank line signifying RFC822 end-of-headers */
2305 if (TheMessage->cm_format_type != FMT_RFC822) {
2310 /* end header processing loop ... at this point, we're in the text */
2312 if (headers_only == HEADERS_FAST) goto DONE;
2314 /* Tell the client about the MIME parts in this message */
2315 if (TheMessage->cm_format_type == FMT_RFC822) {
2316 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2317 mptr = TheMessage->cm_fields['M'];
2318 memset(&ma, 0, sizeof(struct ma_info));
2319 mime_parser(mptr, NULL,
2320 (do_proto ? *list_this_part : NULL),
2321 (do_proto ? *list_this_pref : NULL),
2322 (do_proto ? *list_this_suff : NULL),
2325 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2326 Dump_RFC822HeadersBody(
2335 if (headers_only == HEADERS_ONLY) {
2339 /* signify start of msg text */
2340 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2341 if (do_proto) cprintf("text\n");
2344 if (TheMessage->cm_format_type == FMT_FIXED)
2347 mode, /* how would you like that message? */
2350 /* If the message on disk is format 0 (Citadel vari-format), we
2351 * output using the formatter at 80 columns. This is the final output
2352 * form if the transfer format is RFC822, but if the transfer format
2353 * is Citadel proprietary, it'll still work, because the indentation
2354 * for new paragraphs is correct and the client will reformat the
2355 * message to the reader's screen width.
2357 if (TheMessage->cm_format_type == FMT_CITADEL) {
2358 mptr = TheMessage->cm_fields['M'];
2360 if (mode == MT_MIME) {
2361 cprintf("Content-type: text/x-citadel-variformat\n\n");
2366 /* If the message on disk is format 4 (MIME), we've gotta hand it
2367 * off to the MIME parser. The client has already been told that
2368 * this message is format 1 (fixed format), so the callback function
2369 * we use will display those parts as-is.
2371 if (TheMessage->cm_format_type == FMT_RFC822) {
2372 memset(&ma, 0, sizeof(struct ma_info));
2374 if (mode == MT_MIME) {
2375 ma.use_fo_hooks = 0;
2376 strcpy(ma.chosen_part, "1");
2377 ma.chosen_pref = 9999;
2378 ma.dont_decode = CC->msg4_dont_decode;
2379 mime_parser(mptr, NULL,
2380 *choose_preferred, *fixed_output_pre,
2381 *fixed_output_post, (void *)&ma, 1);
2382 mime_parser(mptr, NULL,
2383 *output_preferred, NULL, NULL, (void *)&ma, 1);
2386 ma.use_fo_hooks = 1;
2387 mime_parser(mptr, NULL,
2388 *fixed_output, *fixed_output_pre,
2389 *fixed_output_post, (void *)&ma, 0);
2394 DONE: /* now we're done */
2395 if (do_proto) cprintf("000\n");
2401 * display a message (mode 0 - Citadel proprietary)
2403 void cmd_msg0(char *cmdbuf)
2406 int headers_only = HEADERS_ALL;
2408 msgid = extract_long(cmdbuf, 0);
2409 headers_only = extract_int(cmdbuf, 1);
2411 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2417 * display a message (mode 2 - RFC822)
2419 void cmd_msg2(char *cmdbuf)
2422 int headers_only = HEADERS_ALL;
2424 msgid = extract_long(cmdbuf, 0);
2425 headers_only = extract_int(cmdbuf, 1);
2427 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2433 * display a message (mode 3 - IGnet raw format - internal programs only)
2435 void cmd_msg3(char *cmdbuf)
2438 struct CtdlMessage *msg = NULL;
2441 if (CC->internal_pgm == 0) {
2442 cprintf("%d This command is for internal programs only.\n",
2443 ERROR + HIGHER_ACCESS_REQUIRED);
2447 msgnum = extract_long(cmdbuf, 0);
2448 msg = CtdlFetchMessage(msgnum, 1);
2450 cprintf("%d Message %ld not found.\n",
2451 ERROR + MESSAGE_NOT_FOUND, msgnum);
2455 serialize_message(&smr, msg);
2456 CtdlFreeMessage(msg);
2459 cprintf("%d Unable to serialize message\n",
2460 ERROR + INTERNAL_ERROR);
2464 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2465 client_write((char *)smr.ser, (int)smr.len);
2472 * Display a message using MIME content types
2474 void cmd_msg4(char *cmdbuf)
2479 msgid = extract_long(cmdbuf, 0);
2480 extract_token(section, cmdbuf, 1, '|', sizeof section);
2481 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2487 * Client tells us its preferred message format(s)
2489 void cmd_msgp(char *cmdbuf)
2491 if (!strcasecmp(cmdbuf, "dont_decode")) {
2492 CC->msg4_dont_decode = 1;
2493 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2496 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2497 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2503 * Open a component of a MIME message as a download file
2505 void cmd_opna(char *cmdbuf)
2508 char desired_section[128];
2510 msgid = extract_long(cmdbuf, 0);
2511 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2512 safestrncpy(CC->download_desired_section, desired_section,
2513 sizeof CC->download_desired_section);
2514 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2519 * Open a component of a MIME message and transmit it all at once
2521 void cmd_dlat(char *cmdbuf)
2524 char desired_section[128];
2526 msgid = extract_long(cmdbuf, 0);
2527 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2528 safestrncpy(CC->download_desired_section, desired_section,
2529 sizeof CC->download_desired_section);
2530 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2535 * Save one or more message pointers into a specified room
2536 * (Returns 0 for success, nonzero for failure)
2537 * roomname may be NULL to use the current room
2539 * Note that the 'supplied_msg' field may be set to NULL, in which case
2540 * the message will be fetched from disk, by number, if we need to perform
2541 * replication checks. This adds an additional database read, so if the
2542 * caller already has the message in memory then it should be supplied. (Obviously
2543 * this mode of operation only works if we're saving a single message.)
2545 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2546 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2549 char hold_rm[ROOMNAMELEN];
2550 struct cdbdata *cdbfr;
2553 long highest_msg = 0L;
2556 struct CtdlMessage *msg = NULL;
2558 long *msgs_to_be_merged = NULL;
2559 int num_msgs_to_be_merged = 0;
2562 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2563 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2566 strcpy(hold_rm, CC->room.QRname);
2569 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2570 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2571 if (num_newmsgs > 1) supplied_msg = NULL;
2573 /* Now the regular stuff */
2574 if (CtdlGetRoomLock(&CC->room,
2575 ((roomname != NULL) ? roomname : CC->room.QRname) )
2577 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2578 return(ERROR + ROOM_NOT_FOUND);
2582 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2583 num_msgs_to_be_merged = 0;
2586 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2587 if (cdbfr == NULL) {
2591 msglist = (long *) cdbfr->ptr;
2592 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2593 num_msgs = cdbfr->len / sizeof(long);
2598 /* Create a list of msgid's which were supplied by the caller, but do
2599 * not already exist in the target room. It is absolutely taboo to
2600 * have more than one reference to the same message in a room.
2602 for (i=0; i<num_newmsgs; ++i) {
2604 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2605 if (msglist[j] == newmsgidlist[i]) {
2610 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2614 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2617 * Now merge the new messages
2619 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2620 if (msglist == NULL) {
2621 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2623 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2624 num_msgs += num_msgs_to_be_merged;
2626 /* Sort the message list, so all the msgid's are in order */
2627 num_msgs = sort_msglist(msglist, num_msgs);
2629 /* Determine the highest message number */
2630 highest_msg = msglist[num_msgs - 1];
2632 /* Write it back to disk. */
2633 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2634 msglist, (int)(num_msgs * sizeof(long)));
2636 /* Free up the memory we used. */
2639 /* Update the highest-message pointer and unlock the room. */
2640 CC->room.QRhighest = highest_msg;
2641 CtdlPutRoomLock(&CC->room);
2643 /* Perform replication checks if necessary */
2644 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2645 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2647 for (i=0; i<num_msgs_to_be_merged; ++i) {
2648 msgid = msgs_to_be_merged[i];
2650 if (supplied_msg != NULL) {
2654 msg = CtdlFetchMessage(msgid, 0);
2658 ReplicationChecks(msg);
2660 /* If the message has an Exclusive ID, index that... */
2661 if (msg->cm_fields['E'] != NULL) {
2662 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2665 /* Free up the memory we may have allocated */
2666 if (msg != supplied_msg) {
2667 CtdlFreeMessage(msg);
2675 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2678 /* Submit this room for processing by hooks */
2679 PerformRoomHooks(&CC->room);
2681 /* Go back to the room we were in before we wandered here... */
2682 CtdlGetRoom(&CC->room, hold_rm);
2684 /* Bump the reference count for all messages which were merged */
2685 if (!suppress_refcount_adj) {
2686 for (i=0; i<num_msgs_to_be_merged; ++i) {
2687 AdjRefCount(msgs_to_be_merged[i], +1);
2691 /* Free up memory... */
2692 if (msgs_to_be_merged != NULL) {
2693 free(msgs_to_be_merged);
2696 /* Return success. */
2702 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2705 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2706 int do_repl_check, struct CtdlMessage *supplied_msg)
2708 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2715 * Message base operation to save a new message to the message store
2716 * (returns new message number)
2718 * This is the back end for CtdlSubmitMsg() and should not be directly
2719 * called by server-side modules.
2722 long send_message(struct CtdlMessage *msg) {
2730 /* Get a new message number */
2731 newmsgid = get_new_message_number();
2732 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2734 /* Generate an ID if we don't have one already */
2735 if (msg->cm_fields['I']==NULL) {
2736 msg->cm_fields['I'] = strdup(msgidbuf);
2739 /* If the message is big, set its body aside for storage elsewhere */
2740 if (msg->cm_fields['M'] != NULL) {
2741 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2743 holdM = msg->cm_fields['M'];
2744 msg->cm_fields['M'] = NULL;
2748 /* Serialize our data structure for storage in the database */
2749 serialize_message(&smr, msg);
2752 msg->cm_fields['M'] = holdM;
2756 cprintf("%d Unable to serialize message\n",
2757 ERROR + INTERNAL_ERROR);
2761 /* Write our little bundle of joy into the message base */
2762 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2763 smr.ser, smr.len) < 0) {
2764 syslog(LOG_ERR, "Can't store message\n");
2768 cdb_store(CDB_BIGMSGS,
2778 /* Free the memory we used for the serialized message */
2781 /* Return the *local* message ID to the caller
2782 * (even if we're storing an incoming network message)
2790 * Serialize a struct CtdlMessage into the format used on disk and network.
2792 * This function loads up a "struct ser_ret" (defined in server.h) which
2793 * contains the length of the serialized message and a pointer to the
2794 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2796 void serialize_message(struct ser_ret *ret, /* return values */
2797 struct CtdlMessage *msg) /* unserialized msg */
2799 size_t wlen, fieldlen;
2801 static char *forder = FORDER;
2804 * Check for valid message format
2806 if (is_valid_message(msg) == 0) {
2807 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2814 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2815 ret->len = ret->len +
2816 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2818 ret->ser = malloc(ret->len);
2819 if (ret->ser == NULL) {
2820 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2821 (long)ret->len, strerror(errno));
2828 ret->ser[1] = msg->cm_anon_type;
2829 ret->ser[2] = msg->cm_format_type;
2832 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2833 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2834 ret->ser[wlen++] = (char)forder[i];
2835 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2836 wlen = wlen + fieldlen + 1;
2838 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2839 (long)ret->len, (long)wlen);
2846 * Serialize a struct CtdlMessage into the format used on disk and network.
2848 * This function loads up a "struct ser_ret" (defined in server.h) which
2849 * contains the length of the serialized message and a pointer to the
2850 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2852 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2853 long Siz) /* how many chars ? */
2857 static char *forder = FORDER;
2861 * Check for valid message format
2863 if (is_valid_message(msg) == 0) {
2864 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2868 buf = (char*) malloc (Siz + 1);
2872 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2873 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2874 msg->cm_fields[(int)forder[i]]);
2875 client_write (buf, strlen(buf));
2884 * Check to see if any messages already exist in the current room which
2885 * carry the same Exclusive ID as this one. If any are found, delete them.
2887 void ReplicationChecks(struct CtdlMessage *msg) {
2888 long old_msgnum = (-1L);
2890 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2892 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2895 /* No exclusive id? Don't do anything. */
2896 if (msg == NULL) return;
2897 if (msg->cm_fields['E'] == NULL) return;
2898 if (IsEmptyStr(msg->cm_fields['E'])) return;
2899 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2900 msg->cm_fields['E'], CC->room.QRname);*/
2902 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2903 if (old_msgnum > 0L) {
2904 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2905 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2912 * Save a message to disk and submit it into the delivery system.
2914 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2915 struct recptypes *recps, /* recipients (if mail) */
2916 char *force, /* force a particular room? */
2917 int flags /* should the message be exported clean? */
2919 char submit_filename[128];
2920 char generated_timestamp[32];
2921 char hold_rm[ROOMNAMELEN];
2922 char actual_rm[ROOMNAMELEN];
2923 char force_room[ROOMNAMELEN];
2924 char content_type[SIZ]; /* We have to learn this */
2925 char recipient[SIZ];
2927 const char *mptr = NULL;
2928 struct ctdluser userbuf;
2930 struct MetaData smi;
2931 FILE *network_fp = NULL;
2932 static int seqnum = 1;
2933 struct CtdlMessage *imsg = NULL;
2935 size_t instr_alloc = 0;
2937 char *hold_R, *hold_D;
2938 char *collected_addresses = NULL;
2939 struct addresses_to_be_filed *aptr = NULL;
2940 StrBuf *saved_rfc822_version = NULL;
2941 int qualified_for_journaling = 0;
2942 CitContext *CCC = MyContext();
2943 char bounce_to[1024] = "";
2947 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
2948 if (is_valid_message(msg) == 0) return(-1); /* self check */
2950 /* If this message has no timestamp, we take the liberty of
2951 * giving it one, right now.
2953 if (msg->cm_fields['T'] == NULL) {
2954 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2955 msg->cm_fields['T'] = strdup(generated_timestamp);
2958 /* If this message has no path, we generate one.
2960 if (msg->cm_fields['P'] == NULL) {
2961 if (msg->cm_fields['A'] != NULL) {
2962 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2963 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2964 if (isspace(msg->cm_fields['P'][a])) {
2965 msg->cm_fields['P'][a] = ' ';
2970 msg->cm_fields['P'] = strdup("unknown");
2974 if (force == NULL) {
2975 strcpy(force_room, "");
2978 strcpy(force_room, force);
2981 /* Learn about what's inside, because it's what's inside that counts */
2982 if (msg->cm_fields['M'] == NULL) {
2983 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
2987 switch (msg->cm_format_type) {
2989 strcpy(content_type, "text/x-citadel-variformat");
2992 strcpy(content_type, "text/plain");
2995 strcpy(content_type, "text/plain");
2996 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
2999 safestrncpy(content_type, &mptr[13], sizeof content_type);
3000 striplt(content_type);
3001 aptr = content_type;
3002 while (!IsEmptyStr(aptr)) {
3014 /* Goto the correct room */
3015 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3016 strcpy(hold_rm, CCC->room.QRname);
3017 strcpy(actual_rm, CCC->room.QRname);
3018 if (recps != NULL) {
3019 strcpy(actual_rm, SENTITEMS);
3022 /* If the user is a twit, move to the twit room for posting */
3024 if (CCC->user.axlevel == AxProbU) {
3025 strcpy(hold_rm, actual_rm);
3026 strcpy(actual_rm, config.c_twitroom);
3027 syslog(LOG_DEBUG, "Diverting to twit room\n");
3031 /* ...or if this message is destined for Aide> then go there. */
3032 if (!IsEmptyStr(force_room)) {
3033 strcpy(actual_rm, force_room);
3036 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3037 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3038 /* CtdlGetRoom(&CCC->room, actual_rm); */
3039 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3043 * If this message has no O (room) field, generate one.
3045 if (msg->cm_fields['O'] == NULL) {
3046 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3049 /* Perform "before save" hooks (aborting if any return nonzero) */
3050 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3051 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3054 * If this message has an Exclusive ID, and the room is replication
3055 * checking enabled, then do replication checks.
3057 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3058 ReplicationChecks(msg);
3061 /* Save it to disk */
3062 syslog(LOG_DEBUG, "Saving to disk\n");
3063 newmsgid = send_message(msg);
3064 if (newmsgid <= 0L) return(-5);
3066 /* Write a supplemental message info record. This doesn't have to
3067 * be a critical section because nobody else knows about this message
3070 syslog(LOG_DEBUG, "Creating MetaData record\n");
3071 memset(&smi, 0, sizeof(struct MetaData));
3072 smi.meta_msgnum = newmsgid;
3073 smi.meta_refcount = 0;
3074 safestrncpy(smi.meta_content_type, content_type,
3075 sizeof smi.meta_content_type);
3078 * Measure how big this message will be when rendered as RFC822.
3079 * We do this for two reasons:
3080 * 1. We need the RFC822 length for the new metadata record, so the
3081 * POP and IMAP services don't have to calculate message lengths
3082 * while the user is waiting (multiplied by potentially hundreds
3083 * or thousands of messages).
3084 * 2. If journaling is enabled, we will need an RFC822 version of the
3085 * message to attach to the journalized copy.
3087 if (CCC->redirect_buffer != NULL) {
3088 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3091 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3092 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3093 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3094 saved_rfc822_version = CCC->redirect_buffer;
3095 CCC->redirect_buffer = NULL;
3099 /* Now figure out where to store the pointers */
3100 syslog(LOG_DEBUG, "Storing pointers\n");
3102 /* If this is being done by the networker delivering a private
3103 * message, we want to BYPASS saving the sender's copy (because there
3104 * is no local sender; it would otherwise go to the Trashcan).
3106 if ((!CCC->internal_pgm) || (recps == NULL)) {
3107 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3108 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3109 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3113 /* For internet mail, drop a copy in the outbound queue room */
3114 if ((recps != NULL) && (recps->num_internet > 0)) {
3115 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3118 /* If other rooms are specified, drop them there too. */
3119 if ((recps != NULL) && (recps->num_room > 0))
3120 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3121 extract_token(recipient, recps->recp_room, i,
3122 '|', sizeof recipient);
3123 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3124 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3127 /* Bump this user's messages posted counter. */
3128 syslog(LOG_DEBUG, "Updating user\n");
3129 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3130 CCC->user.posted = CCC->user.posted + 1;
3131 CtdlPutUserLock(&CCC->user);
3133 /* Decide where bounces need to be delivered */
3134 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3135 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3137 else if (CCC->logged_in) {
3138 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3141 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3144 /* If this is private, local mail, make a copy in the
3145 * recipient's mailbox and bump the reference count.
3147 if ((recps != NULL) && (recps->num_local > 0))
3148 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3149 extract_token(recipient, recps->recp_local, i,
3150 '|', sizeof recipient);
3151 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3153 if (CtdlGetUser(&userbuf, recipient) == 0) {
3154 // Add a flag so the Funambol module knows its mail
3155 msg->cm_fields['W'] = strdup(recipient);
3156 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3157 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3158 CtdlBumpNewMailCounter(userbuf.usernum);
3159 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3160 /* Generate a instruction message for the Funambol notification
3161 * server, in the same style as the SMTP queue
3164 instr = malloc(instr_alloc);
3165 snprintf(instr, instr_alloc,
3166 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3168 SPOOLMIME, newmsgid, (long)time(NULL),
3172 imsg = malloc(sizeof(struct CtdlMessage));
3173 memset(imsg, 0, sizeof(struct CtdlMessage));
3174 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3175 imsg->cm_anon_type = MES_NORMAL;
3176 imsg->cm_format_type = FMT_RFC822;
3177 imsg->cm_fields['A'] = strdup("Citadel");
3178 imsg->cm_fields['J'] = strdup("do not journal");
3179 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3180 imsg->cm_fields['W'] = strdup(recipient);
3181 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3182 CtdlFreeMessage(imsg);
3186 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3187 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3192 /* Perform "after save" hooks */
3193 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3194 PerformMessageHooks(msg, EVT_AFTERSAVE);
3196 /* For IGnet mail, we have to save a new copy into the spooler for
3197 * each recipient, with the R and D fields set to the recipient and
3198 * destination-node. This has two ugly side effects: all other
3199 * recipients end up being unlisted in this recipient's copy of the
3200 * message, and it has to deliver multiple messages to the same
3201 * node. We'll revisit this again in a year or so when everyone has
3202 * a network spool receiver that can handle the new style messages.
3204 if ((recps != NULL) && (recps->num_ignet > 0))
3205 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3206 extract_token(recipient, recps->recp_ignet, i,
3207 '|', sizeof recipient);
3209 hold_R = msg->cm_fields['R'];
3210 hold_D = msg->cm_fields['D'];
3211 msg->cm_fields['R'] = malloc(SIZ);
3212 msg->cm_fields['D'] = malloc(128);
3213 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3214 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3216 serialize_message(&smr, msg);
3218 snprintf(submit_filename, sizeof submit_filename,
3219 "%s/netmail.%04lx.%04x.%04x",
3221 (long) getpid(), CCC->cs_pid, ++seqnum);
3222 network_fp = fopen(submit_filename, "wb+");
3223 if (network_fp != NULL) {
3224 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3230 free(msg->cm_fields['R']);
3231 free(msg->cm_fields['D']);
3232 msg->cm_fields['R'] = hold_R;
3233 msg->cm_fields['D'] = hold_D;
3236 /* Go back to the room we started from */
3237 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3238 if (strcasecmp(hold_rm, CCC->room.QRname))
3239 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3241 /* For internet mail, generate delivery instructions.
3242 * Yes, this is recursive. Deal with it. Infinite recursion does
3243 * not happen because the delivery instructions message does not
3244 * contain a recipient.
3246 if ((recps != NULL) && (recps->num_internet > 0)) {
3247 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3249 instr = malloc(instr_alloc);
3250 snprintf(instr, instr_alloc,
3251 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3253 SPOOLMIME, newmsgid, (long)time(NULL),
3257 if (recps->envelope_from != NULL) {
3258 tmp = strlen(instr);
3259 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3262 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3263 tmp = strlen(instr);
3264 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3265 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3266 instr_alloc = instr_alloc * 2;
3267 instr = realloc(instr, instr_alloc);
3269 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3272 imsg = malloc(sizeof(struct CtdlMessage));
3273 memset(imsg, 0, sizeof(struct CtdlMessage));
3274 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3275 imsg->cm_anon_type = MES_NORMAL;
3276 imsg->cm_format_type = FMT_RFC822;
3277 imsg->cm_fields['A'] = strdup("Citadel");
3278 imsg->cm_fields['J'] = strdup("do not journal");
3279 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3280 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3281 CtdlFreeMessage(imsg);
3285 * Any addresses to harvest for someone's address book?
3287 if ( (CCC->logged_in) && (recps != NULL) ) {
3288 collected_addresses = harvest_collected_addresses(msg);
3291 if (collected_addresses != NULL) {
3292 aptr = (struct addresses_to_be_filed *)
3293 malloc(sizeof(struct addresses_to_be_filed));
3294 CtdlMailboxName(actual_rm, sizeof actual_rm,
3295 &CCC->user, USERCONTACTSROOM);
3296 aptr->roomname = strdup(actual_rm);
3297 aptr->collected_addresses = collected_addresses;
3298 begin_critical_section(S_ATBF);
3301 end_critical_section(S_ATBF);
3305 * Determine whether this message qualifies for journaling.
3307 if (msg->cm_fields['J'] != NULL) {
3308 qualified_for_journaling = 0;
3311 if (recps == NULL) {
3312 qualified_for_journaling = config.c_journal_pubmsgs;
3314 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3315 qualified_for_journaling = config.c_journal_email;
3318 qualified_for_journaling = config.c_journal_pubmsgs;
3323 * Do we have to perform journaling? If so, hand off the saved
3324 * RFC822 version will be handed off to the journaler for background
3325 * submit. Otherwise, we have to free the memory ourselves.
3327 if (saved_rfc822_version != NULL) {
3328 if (qualified_for_journaling) {
3329 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3332 FreeStrBuf(&saved_rfc822_version);
3342 void aide_message (char *text, char *subject)
3344 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3349 * Convenience function for generating small administrative messages.
3351 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3352 int format_type, const char *subject)
3354 struct CtdlMessage *msg;
3355 struct recptypes *recp = NULL;
3357 msg = malloc(sizeof(struct CtdlMessage));
3358 memset(msg, 0, sizeof(struct CtdlMessage));
3359 msg->cm_magic = CTDLMESSAGE_MAGIC;
3360 msg->cm_anon_type = MES_NORMAL;
3361 msg->cm_format_type = format_type;
3364 msg->cm_fields['A'] = strdup(from);
3366 else if (fromaddr != NULL) {
3367 msg->cm_fields['A'] = strdup(fromaddr);
3368 if (strchr(msg->cm_fields['A'], '@')) {
3369 *strchr(msg->cm_fields['A'], '@') = 0;
3373 msg->cm_fields['A'] = strdup("Citadel");
3376 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3377 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3378 msg->cm_fields['N'] = strdup(NODENAME);
3380 msg->cm_fields['R'] = strdup(to);
3381 recp = validate_recipients(to, NULL, 0);
3383 if (subject != NULL) {
3384 msg->cm_fields['U'] = strdup(subject);
3386 msg->cm_fields['M'] = strdup(text);
3388 CtdlSubmitMsg(msg, recp, room, 0);
3389 CtdlFreeMessage(msg);
3390 if (recp != NULL) free_recipients(recp);
3396 * Back end function used by CtdlMakeMessage() and similar functions
3398 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3400 size_t maxlen, /* maximum message length */
3401 char *exist, /* if non-null, append to it;
3402 exist is ALWAYS freed */
3403 int crlf, /* CRLF newlines instead of LF */
3404 int *sock /* socket handle or 0 for this session's client socket */
3413 LineBuf = NewStrBufPlain(NULL, SIZ);
3414 if (exist == NULL) {
3415 Message = NewStrBufPlain(NULL, 4 * SIZ);
3418 Message = NewStrBufPlain(exist, -1);
3422 /* Do we need to change leading ".." to "." for SMTP escaping? */
3423 if ((tlen == 1) && (*terminator == '.')) {
3427 /* read in the lines of message text one by one */
3430 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3435 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3437 if ((StrLength(LineBuf) == tlen) &&
3438 (!strcmp(ChrPtr(LineBuf), terminator)))
3441 if ( (!flushing) && (!finished) ) {
3443 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3446 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3449 /* Unescape SMTP-style input of two dots at the beginning of the line */
3451 (StrLength(LineBuf) == 2) &&
3452 (!strcmp(ChrPtr(LineBuf), "..")))
3454 StrBufCutLeft(LineBuf, 1);
3457 StrBufAppendBuf(Message, LineBuf, 0);
3460 /* if we've hit the max msg length, flush the rest */
3461 if (StrLength(Message) >= maxlen) flushing = 1;
3463 } while (!finished);
3464 FreeStrBuf(&LineBuf);
3470 * Back end function used by CtdlMakeMessage() and similar functions
3472 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3474 size_t maxlen, /* maximum message length */
3475 char *exist, /* if non-null, append to it;
3476 exist is ALWAYS freed */
3477 int crlf, /* CRLF newlines instead of LF */
3478 int *sock /* socket handle or 0 for this session's client socket */
3483 Message = CtdlReadMessageBodyBuf(terminator,
3489 if (Message == NULL)
3492 return SmashStrBuf(&Message);
3497 * Build a binary message to be saved on disk.
3498 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3499 * will become part of the message. This means you are no longer
3500 * responsible for managing that memory -- it will be freed along with
3501 * the rest of the fields when CtdlFreeMessage() is called.)
3504 struct CtdlMessage *CtdlMakeMessage(
3505 struct ctdluser *author, /* author's user structure */
3506 char *recipient, /* NULL if it's not mail */
3507 char *recp_cc, /* NULL if it's not mail */
3508 char *room, /* room where it's going */
3509 int type, /* see MES_ types in header file */
3510 int format_type, /* variformat, plain text, MIME... */
3511 char *fake_name, /* who we're masquerading as */
3512 char *my_email, /* which of my email addresses to use (empty is ok) */
3513 char *subject, /* Subject (optional) */
3514 char *supplied_euid, /* ...or NULL if this is irrelevant */
3515 char *preformatted_text, /* ...or NULL to read text from client */
3516 char *references /* Thread references */
3518 char dest_node[256];
3520 struct CtdlMessage *msg;
3522 StrBuf *FakeEncAuthor = NULL;
3524 msg = malloc(sizeof(struct CtdlMessage));
3525 memset(msg, 0, sizeof(struct CtdlMessage));
3526 msg->cm_magic = CTDLMESSAGE_MAGIC;
3527 msg->cm_anon_type = type;
3528 msg->cm_format_type = format_type;
3530 /* Don't confuse the poor folks if it's not routed mail. */
3531 strcpy(dest_node, "");
3533 if (recipient != NULL) striplt(recipient);
3534 if (recp_cc != NULL) striplt(recp_cc);
3536 /* Path or Return-Path */
3537 if (my_email == NULL) my_email = "";
3539 if (!IsEmptyStr(my_email)) {
3540 msg->cm_fields['P'] = strdup(my_email);
3543 snprintf(buf, sizeof buf, "%s", author->fullname);
3544 msg->cm_fields['P'] = strdup(buf);
3546 convert_spaces_to_underscores(msg->cm_fields['P']);
3548 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3549 msg->cm_fields['T'] = strdup(buf);
3551 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3552 FakeAuthor = NewStrBufPlain (fake_name, -1);
3555 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3557 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3558 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3559 FreeStrBuf(&FakeAuthor);
3561 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3562 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3565 msg->cm_fields['O'] = strdup(CC->room.QRname);
3568 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3569 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3571 if ((recipient != NULL) && (recipient[0] != 0)) {
3572 msg->cm_fields['R'] = strdup(recipient);
3574 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3575 msg->cm_fields['Y'] = strdup(recp_cc);
3577 if (dest_node[0] != 0) {
3578 msg->cm_fields['D'] = strdup(dest_node);
3581 if (!IsEmptyStr(my_email)) {
3582 msg->cm_fields['F'] = strdup(my_email);
3584 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3585 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3588 if (subject != NULL) {
3591 length = strlen(subject);
3597 while ((subject[i] != '\0') &&
3598 (IsAscii = isascii(subject[i]) != 0 ))
3601 msg->cm_fields['U'] = strdup(subject);
3602 else /* ok, we've got utf8 in the string. */
3604 msg->cm_fields['U'] = rfc2047encode(subject, length);
3610 if (supplied_euid != NULL) {
3611 msg->cm_fields['E'] = strdup(supplied_euid);
3614 if (references != NULL) {
3615 if (!IsEmptyStr(references)) {
3616 msg->cm_fields['W'] = strdup(references);
3620 if (preformatted_text != NULL) {
3621 msg->cm_fields['M'] = preformatted_text;
3624 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3632 * Check to see whether we have permission to post a message in the current
3633 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3634 * returns 0 on success.
3636 int CtdlDoIHavePermissionToPostInThisRoom(
3639 const char* RemoteIdentifier,
3645 if (!(CC->logged_in) &&
3646 (PostPublic == POST_LOGGED_IN)) {
3647 snprintf(errmsgbuf, n, "Not logged in.");
3648 return (ERROR + NOT_LOGGED_IN);
3650 else if (PostPublic == CHECK_EXISTANCE) {
3651 return (0); // We're Evaling whether a recipient exists
3653 else if (!(CC->logged_in)) {
3655 if ((CC->room.QRflags & QR_READONLY)) {
3656 snprintf(errmsgbuf, n, "Not logged in.");
3657 return (ERROR + NOT_LOGGED_IN);
3659 if (CC->room.QRflags2 & QR2_MODERATED) {
3660 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3661 return (ERROR + NOT_LOGGED_IN);
3663 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3668 if (RemoteIdentifier == NULL)
3670 snprintf(errmsgbuf, n, "Need sender to permit access.");
3671 return (ERROR + USERNAME_REQUIRED);
3674 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3675 begin_critical_section(S_NETCONFIGS);
3676 if (!read_spoolcontrol_file(&sc, filename))
3678 end_critical_section(S_NETCONFIGS);
3679 snprintf(errmsgbuf, n,
3680 "This mailing list only accepts posts from subscribers.");
3681 return (ERROR + NO_SUCH_USER);
3683 end_critical_section(S_NETCONFIGS);
3684 found = is_recipient (sc, RemoteIdentifier);
3685 free_spoolcontrol_struct(&sc);
3690 snprintf(errmsgbuf, n,
3691 "This mailing list only accepts posts from subscribers.");
3692 return (ERROR + NO_SUCH_USER);
3699 if ((CC->user.axlevel < AxProbU)
3700 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3701 snprintf(errmsgbuf, n, "Need to be validated to enter "
3702 "(except in %s> to sysop)", MAILROOM);
3703 return (ERROR + HIGHER_ACCESS_REQUIRED);
3706 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3708 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3710 * To be thorough, we ought to check to see if the message they are
3711 * replying to is actually a valid one in this room, but unless this
3712 * actually becomes a problem we'll go with high performance instead.
3714 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3715 return (ERROR + HIGHER_ACCESS_REQUIRED);
3718 else if (!(ra & UA_POSTALLOWED)) {
3719 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3720 return (ERROR + HIGHER_ACCESS_REQUIRED);
3723 strcpy(errmsgbuf, "Ok");
3729 * Check to see if the specified user has Internet mail permission
3730 * (returns nonzero if permission is granted)
3732 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3734 /* Do not allow twits to send Internet mail */
3735 if (who->axlevel <= AxProbU) return(0);
3737 /* Globally enabled? */
3738 if (config.c_restrict == 0) return(1);
3740 /* User flagged ok? */
3741 if (who->flags & US_INTERNET) return(2);
3743 /* Aide level access? */
3744 if (who->axlevel >= AxAideU) return(3);
3746 /* No mail for you! */
3752 * Validate recipients, count delivery types and errors, and handle aliasing
3753 * FIXME check for dupes!!!!!
3755 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3756 * were specified, or the number of addresses found invalid.
3758 * Caller needs to free the result using free_recipients()
3760 struct recptypes *validate_recipients(const char *supplied_recipients,
3761 const char *RemoteIdentifier,
3763 struct recptypes *ret;
3764 char *recipients = NULL;
3765 char this_recp[256];
3766 char this_recp_cooked[256];
3772 struct ctdluser tempUS;
3773 struct ctdlroom tempQR;
3774 struct ctdlroom tempQR2;
3780 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3781 if (ret == NULL) return(NULL);
3783 /* Set all strings to null and numeric values to zero */
3784 memset(ret, 0, sizeof(struct recptypes));
3786 if (supplied_recipients == NULL) {
3787 recipients = strdup("");
3790 recipients = strdup(supplied_recipients);
3793 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3794 * actually need, but it's healthier for the heap than doing lots of tiny
3795 * realloc() calls instead.
3798 ret->errormsg = malloc(strlen(recipients) + 1024);
3799 ret->recp_local = malloc(strlen(recipients) + 1024);
3800 ret->recp_internet = malloc(strlen(recipients) + 1024);
3801 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3802 ret->recp_room = malloc(strlen(recipients) + 1024);
3803 ret->display_recp = malloc(strlen(recipients) + 1024);
3805 ret->errormsg[0] = 0;
3806 ret->recp_local[0] = 0;
3807 ret->recp_internet[0] = 0;
3808 ret->recp_ignet[0] = 0;
3809 ret->recp_room[0] = 0;
3810 ret->display_recp[0] = 0;
3812 ret->recptypes_magic = RECPTYPES_MAGIC;
3814 /* Change all valid separator characters to commas */
3815 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3816 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3817 recipients[i] = ',';
3821 /* Now start extracting recipients... */
3823 while (!IsEmptyStr(recipients)) {
3825 for (i=0; i<=strlen(recipients); ++i) {
3826 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3827 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3828 safestrncpy(this_recp, recipients, i+1);
3830 if (recipients[i] == ',') {
3831 strcpy(recipients, &recipients[i+1]);
3834 strcpy(recipients, "");
3841 if (IsEmptyStr(this_recp))
3843 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3845 mailtype = alias(this_recp);
3846 mailtype = alias(this_recp);
3847 mailtype = alias(this_recp);
3849 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3850 if (this_recp[j]=='_') {
3851 this_recp_cooked[j] = ' ';
3854 this_recp_cooked[j] = this_recp[j];
3857 this_recp_cooked[j] = '\0';
3862 if (!strcasecmp(this_recp, "sysop")) {
3864 strcpy(this_recp, config.c_aideroom);
3865 if (!IsEmptyStr(ret->recp_room)) {
3866 strcat(ret->recp_room, "|");
3868 strcat(ret->recp_room, this_recp);
3870 else if ( (!strncasecmp(this_recp, "room_", 5))
3871 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3873 /* Save room so we can restore it later */
3877 /* Check permissions to send mail to this room */
3878 err = CtdlDoIHavePermissionToPostInThisRoom(
3883 0 /* 0 = not a reply */
3892 if (!IsEmptyStr(ret->recp_room)) {
3893 strcat(ret->recp_room, "|");
3895 strcat(ret->recp_room, &this_recp_cooked[5]);
3898 /* Restore room in case something needs it */
3902 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3904 strcpy(this_recp, tempUS.fullname);
3905 if (!IsEmptyStr(ret->recp_local)) {
3906 strcat(ret->recp_local, "|");
3908 strcat(ret->recp_local, this_recp);
3910 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3912 strcpy(this_recp, tempUS.fullname);
3913 if (!IsEmptyStr(ret->recp_local)) {
3914 strcat(ret->recp_local, "|");
3916 strcat(ret->recp_local, this_recp);
3924 /* Yes, you're reading this correctly: if the target
3925 * domain points back to the local system or an attached
3926 * Citadel directory, the address is invalid. That's
3927 * because if the address were valid, we would have
3928 * already translated it to a local address by now.
3930 if (IsDirectory(this_recp, 0)) {
3935 ++ret->num_internet;
3936 if (!IsEmptyStr(ret->recp_internet)) {
3937 strcat(ret->recp_internet, "|");
3939 strcat(ret->recp_internet, this_recp);
3944 if (!IsEmptyStr(ret->recp_ignet)) {
3945 strcat(ret->recp_ignet, "|");
3947 strcat(ret->recp_ignet, this_recp);
3955 if (IsEmptyStr(errmsg)) {
3956 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3959 snprintf(append, sizeof append, "%s", errmsg);
3961 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3962 if (!IsEmptyStr(ret->errormsg)) {
3963 strcat(ret->errormsg, "; ");
3965 strcat(ret->errormsg, append);
3969 if (IsEmptyStr(ret->display_recp)) {
3970 strcpy(append, this_recp);
3973 snprintf(append, sizeof append, ", %s", this_recp);
3975 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3976 strcat(ret->display_recp, append);
3981 if ((ret->num_local + ret->num_internet + ret->num_ignet +
3982 ret->num_room + ret->num_error) == 0) {
3983 ret->num_error = (-1);
3984 strcpy(ret->errormsg, "No recipients specified.");
3987 syslog(LOG_DEBUG, "validate_recipients()\n");
3988 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
3989 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
3990 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
3991 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
3992 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4000 * Destructor for struct recptypes
4002 void free_recipients(struct recptypes *valid) {
4004 if (valid == NULL) {
4008 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4009 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4013 if (valid->errormsg != NULL) free(valid->errormsg);
4014 if (valid->recp_local != NULL) free(valid->recp_local);
4015 if (valid->recp_internet != NULL) free(valid->recp_internet);
4016 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4017 if (valid->recp_room != NULL) free(valid->recp_room);
4018 if (valid->display_recp != NULL) free(valid->display_recp);
4019 if (valid->bounce_to != NULL) free(valid->bounce_to);
4020 if (valid->envelope_from != NULL) free(valid->envelope_from);
4027 * message entry - mode 0 (normal)
4029 void cmd_ent0(char *entargs)
4035 char supplied_euid[128];
4037 int format_type = 0;
4038 char newusername[256];
4039 char newuseremail[256];
4040 struct CtdlMessage *msg;
4044 struct recptypes *valid = NULL;
4045 struct recptypes *valid_to = NULL;
4046 struct recptypes *valid_cc = NULL;
4047 struct recptypes *valid_bcc = NULL;
4049 int subject_required = 0;
4054 int newuseremail_ok = 0;
4055 char references[SIZ];
4060 post = extract_int(entargs, 0);
4061 extract_token(recp, entargs, 1, '|', sizeof recp);
4062 anon_flag = extract_int(entargs, 2);
4063 format_type = extract_int(entargs, 3);
4064 extract_token(subject, entargs, 4, '|', sizeof subject);
4065 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4066 do_confirm = extract_int(entargs, 6);
4067 extract_token(cc, entargs, 7, '|', sizeof cc);
4068 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4069 switch(CC->room.QRdefaultview) {
4072 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4075 supplied_euid[0] = 0;
4078 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4079 extract_token(references, entargs, 11, '|', sizeof references);
4080 for (ptr=references; *ptr != 0; ++ptr) {
4081 if (*ptr == '!') *ptr = '|';
4084 /* first check to make sure the request is valid. */
4086 err = CtdlDoIHavePermissionToPostInThisRoom(
4091 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4095 cprintf("%d %s\n", err, errmsg);
4099 /* Check some other permission type things. */
4101 if (IsEmptyStr(newusername)) {
4102 strcpy(newusername, CC->user.fullname);
4104 if ( (CC->user.axlevel < AxAideU)
4105 && (strcasecmp(newusername, CC->user.fullname))
4106 && (strcasecmp(newusername, CC->cs_inet_fn))
4108 cprintf("%d You don't have permission to author messages as '%s'.\n",
4109 ERROR + HIGHER_ACCESS_REQUIRED,
4116 if (IsEmptyStr(newuseremail)) {
4117 newuseremail_ok = 1;
4120 if (!IsEmptyStr(newuseremail)) {
4121 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4122 newuseremail_ok = 1;
4124 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4125 j = num_tokens(CC->cs_inet_other_emails, '|');
4126 for (i=0; i<j; ++i) {
4127 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4128 if (!strcasecmp(newuseremail, buf)) {
4129 newuseremail_ok = 1;
4135 if (!newuseremail_ok) {
4136 cprintf("%d You don't have permission to author messages as '%s'.\n",
4137 ERROR + HIGHER_ACCESS_REQUIRED,
4143 CC->cs_flags |= CS_POSTING;
4145 /* In mailbox rooms we have to behave a little differently --
4146 * make sure the user has specified at least one recipient. Then
4147 * validate the recipient(s). We do this for the Mail> room, as
4148 * well as any room which has the "Mailbox" view set - unless it
4149 * is the DRAFTS room which does not require recipients
4152 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4153 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4154 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4155 if (CC->user.axlevel < AxProbU) {
4156 strcpy(recp, "sysop");
4161 valid_to = validate_recipients(recp, NULL, 0);
4162 if (valid_to->num_error > 0) {
4163 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4164 free_recipients(valid_to);
4168 valid_cc = validate_recipients(cc, NULL, 0);
4169 if (valid_cc->num_error > 0) {
4170 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4171 free_recipients(valid_to);
4172 free_recipients(valid_cc);
4176 valid_bcc = validate_recipients(bcc, NULL, 0);
4177 if (valid_bcc->num_error > 0) {
4178 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4179 free_recipients(valid_to);
4180 free_recipients(valid_cc);
4181 free_recipients(valid_bcc);
4185 /* Recipient required, but none were specified */
4186 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4187 free_recipients(valid_to);
4188 free_recipients(valid_cc);
4189 free_recipients(valid_bcc);
4190 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4194 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4195 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4196 cprintf("%d You do not have permission "
4197 "to send Internet mail.\n",
4198 ERROR + HIGHER_ACCESS_REQUIRED);
4199 free_recipients(valid_to);
4200 free_recipients(valid_cc);
4201 free_recipients(valid_bcc);
4206 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)
4207 && (CC->user.axlevel < AxNetU) ) {
4208 cprintf("%d Higher access required for network mail.\n",
4209 ERROR + HIGHER_ACCESS_REQUIRED);
4210 free_recipients(valid_to);
4211 free_recipients(valid_cc);
4212 free_recipients(valid_bcc);
4216 if ((RESTRICT_INTERNET == 1)
4217 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4218 && ((CC->user.flags & US_INTERNET) == 0)
4219 && (!CC->internal_pgm)) {
4220 cprintf("%d You don't have access to Internet mail.\n",
4221 ERROR + HIGHER_ACCESS_REQUIRED);
4222 free_recipients(valid_to);
4223 free_recipients(valid_cc);
4224 free_recipients(valid_bcc);
4230 /* Is this a room which has anonymous-only or anonymous-option? */
4231 anonymous = MES_NORMAL;
4232 if (CC->room.QRflags & QR_ANONONLY) {
4233 anonymous = MES_ANONONLY;
4235 if (CC->room.QRflags & QR_ANONOPT) {
4236 if (anon_flag == 1) { /* only if the user requested it */
4237 anonymous = MES_ANONOPT;
4241 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4245 /* Recommend to the client that the use of a message subject is
4246 * strongly recommended in this room, if either the SUBJECTREQ flag
4247 * is set, or if there is one or more Internet email recipients.
4249 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4250 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4251 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4252 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4254 /* If we're only checking the validity of the request, return
4255 * success without creating the message.
4258 cprintf("%d %s|%d\n", CIT_OK,
4259 ((valid_to != NULL) ? valid_to->display_recp : ""),
4261 free_recipients(valid_to);
4262 free_recipients(valid_cc);
4263 free_recipients(valid_bcc);
4267 /* We don't need these anymore because we'll do it differently below */
4268 free_recipients(valid_to);
4269 free_recipients(valid_cc);
4270 free_recipients(valid_bcc);
4272 /* Read in the message from the client. */
4274 cprintf("%d send message\n", START_CHAT_MODE);
4276 cprintf("%d send message\n", SEND_LISTING);
4279 msg = CtdlMakeMessage(&CC->user, recp, cc,
4280 CC->room.QRname, anonymous, format_type,
4281 newusername, newuseremail, subject,
4282 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4285 /* Put together one big recipients struct containing to/cc/bcc all in
4286 * one. This is for the envelope.
4288 char *all_recps = malloc(SIZ * 3);
4289 strcpy(all_recps, recp);
4290 if (!IsEmptyStr(cc)) {
4291 if (!IsEmptyStr(all_recps)) {
4292 strcat(all_recps, ",");
4294 strcat(all_recps, cc);
4296 if (!IsEmptyStr(bcc)) {
4297 if (!IsEmptyStr(all_recps)) {
4298 strcat(all_recps, ",");
4300 strcat(all_recps, bcc);
4302 if (!IsEmptyStr(all_recps)) {
4303 valid = validate_recipients(all_recps, NULL, 0);
4311 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4314 cprintf("%ld\n", msgnum);
4316 cprintf("Message accepted.\n");
4319 cprintf("Internal error.\n");
4321 if (msg->cm_fields['E'] != NULL) {
4322 cprintf("%s\n", msg->cm_fields['E']);
4329 CtdlFreeMessage(msg);
4331 if (valid != NULL) {
4332 free_recipients(valid);
4340 * API function to delete messages which match a set of criteria
4341 * (returns the actual number of messages deleted)
4343 int CtdlDeleteMessages(char *room_name, /* which room */
4344 long *dmsgnums, /* array of msg numbers to be deleted */
4345 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4346 char *content_type /* or "" for any. regular expressions expected. */
4349 struct ctdlroom qrbuf;
4350 struct cdbdata *cdbfr;
4351 long *msglist = NULL;
4352 long *dellist = NULL;
4355 int num_deleted = 0;
4357 struct MetaData smi;
4360 int need_to_free_re = 0;
4362 if (content_type) if (!IsEmptyStr(content_type)) {
4363 regcomp(&re, content_type, 0);
4364 need_to_free_re = 1;
4366 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4367 room_name, num_dmsgnums, content_type);
4369 /* get room record, obtaining a lock... */
4370 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4371 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4373 if (need_to_free_re) regfree(&re);
4374 return (0); /* room not found */
4376 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4378 if (cdbfr != NULL) {
4379 dellist = malloc(cdbfr->len);
4380 msglist = (long *) cdbfr->ptr;
4381 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4382 num_msgs = cdbfr->len / sizeof(long);
4386 for (i = 0; i < num_msgs; ++i) {
4389 /* Set/clear a bit for each criterion */
4391 /* 0 messages in the list or a null list means that we are
4392 * interested in deleting any messages which meet the other criteria.
4394 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4395 delete_this |= 0x01;
4398 for (j=0; j<num_dmsgnums; ++j) {
4399 if (msglist[i] == dmsgnums[j]) {
4400 delete_this |= 0x01;
4405 if (IsEmptyStr(content_type)) {
4406 delete_this |= 0x02;
4408 GetMetaData(&smi, msglist[i]);
4409 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4410 delete_this |= 0x02;
4414 /* Delete message only if all bits are set */
4415 if (delete_this == 0x03) {
4416 dellist[num_deleted++] = msglist[i];
4421 num_msgs = sort_msglist(msglist, num_msgs);
4422 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4423 msglist, (int)(num_msgs * sizeof(long)));
4426 qrbuf.QRhighest = msglist[num_msgs - 1];
4428 qrbuf.QRhighest = 0;
4430 CtdlPutRoomLock(&qrbuf);
4432 /* Go through the messages we pulled out of the index, and decrement
4433 * their reference counts by 1. If this is the only room the message
4434 * was in, the reference count will reach zero and the message will
4435 * automatically be deleted from the database. We do this in a
4436 * separate pass because there might be plug-in hooks getting called,
4437 * and we don't want that happening during an S_ROOMS critical
4440 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4441 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4442 AdjRefCount(dellist[i], -1);
4445 /* Now free the memory we used, and go away. */
4446 if (msglist != NULL) free(msglist);
4447 if (dellist != NULL) free(dellist);
4448 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4449 if (need_to_free_re) regfree(&re);
4450 return (num_deleted);
4456 * Check whether the current user has permission to delete messages from
4457 * the current room (returns 1 for yes, 0 for no)
4459 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4461 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4462 if (ra & UA_DELETEALLOWED) return(1);
4470 * Delete message from current room
4472 void cmd_dele(char *args)
4481 extract_token(msgset, args, 0, '|', sizeof msgset);
4482 num_msgs = num_tokens(msgset, ',');
4484 cprintf("%d Nothing to do.\n", CIT_OK);
4488 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4489 cprintf("%d Higher access required.\n",
4490 ERROR + HIGHER_ACCESS_REQUIRED);
4495 * Build our message set to be moved/copied
4497 msgs = malloc(num_msgs * sizeof(long));
4498 for (i=0; i<num_msgs; ++i) {
4499 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4500 msgs[i] = atol(msgtok);
4503 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4507 cprintf("%d %d message%s deleted.\n", CIT_OK,
4508 num_deleted, ((num_deleted != 1) ? "s" : ""));
4510 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4518 * move or copy a message to another room
4520 void cmd_move(char *args)
4527 char targ[ROOMNAMELEN];
4528 struct ctdlroom qtemp;
4535 extract_token(msgset, args, 0, '|', sizeof msgset);
4536 num_msgs = num_tokens(msgset, ',');
4538 cprintf("%d Nothing to do.\n", CIT_OK);
4542 extract_token(targ, args, 1, '|', sizeof targ);
4543 convert_room_name_macros(targ, sizeof targ);
4544 targ[ROOMNAMELEN - 1] = 0;
4545 is_copy = extract_int(args, 2);
4547 if (CtdlGetRoom(&qtemp, targ) != 0) {
4548 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4552 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4553 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4557 CtdlGetUser(&CC->user, CC->curr_user);
4558 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4560 /* Check for permission to perform this operation.
4561 * Remember: "CC->room" is source, "qtemp" is target.
4565 /* Aides can move/copy */
4566 if (CC->user.axlevel >= AxAideU) permit = 1;
4568 /* Room aides can move/copy */
4569 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4571 /* Permit move/copy from personal rooms */
4572 if ((CC->room.QRflags & QR_MAILBOX)
4573 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4575 /* Permit only copy from public to personal room */
4577 && (!(CC->room.QRflags & QR_MAILBOX))
4578 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4580 /* Permit message removal from collaborative delete rooms */
4581 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4583 /* Users allowed to post into the target room may move into it too. */
4584 if ((CC->room.QRflags & QR_MAILBOX) &&
4585 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4587 /* User must have access to target room */
4588 if (!(ra & UA_KNOWN)) permit = 0;
4591 cprintf("%d Higher access required.\n",
4592 ERROR + HIGHER_ACCESS_REQUIRED);
4597 * Build our message set to be moved/copied
4599 msgs = malloc(num_msgs * sizeof(long));
4600 for (i=0; i<num_msgs; ++i) {
4601 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4602 msgs[i] = atol(msgtok);
4608 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4610 cprintf("%d Cannot store message(s) in %s: error %d\n",
4616 /* Now delete the message from the source room,
4617 * if this is a 'move' rather than a 'copy' operation.
4620 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4624 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4630 * GetMetaData() - Get the supplementary record for a message
4632 void GetMetaData(struct MetaData *smibuf, long msgnum)
4635 struct cdbdata *cdbsmi;
4638 memset(smibuf, 0, sizeof(struct MetaData));
4639 smibuf->meta_msgnum = msgnum;
4640 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4642 /* Use the negative of the message number for its supp record index */
4643 TheIndex = (0L - msgnum);
4645 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4646 if (cdbsmi == NULL) {
4647 return; /* record not found; go with defaults */
4649 memcpy(smibuf, cdbsmi->ptr,
4650 ((cdbsmi->len > sizeof(struct MetaData)) ?
4651 sizeof(struct MetaData) : cdbsmi->len));
4658 * PutMetaData() - (re)write supplementary record for a message
4660 void PutMetaData(struct MetaData *smibuf)
4664 /* Use the negative of the message number for the metadata db index */
4665 TheIndex = (0L - smibuf->meta_msgnum);
4667 cdb_store(CDB_MSGMAIN,
4668 &TheIndex, (int)sizeof(long),
4669 smibuf, (int)sizeof(struct MetaData));
4674 * AdjRefCount - submit an adjustment to the reference count for a message.
4675 * (These are just queued -- we actually process them later.)
4677 void AdjRefCount(long msgnum, int incr)
4679 struct arcq new_arcq;
4682 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4686 begin_critical_section(S_SUPPMSGMAIN);
4687 if (arcfp == NULL) {
4688 arcfp = fopen(file_arcq, "ab+");
4690 end_critical_section(S_SUPPMSGMAIN);
4692 /* msgnum < 0 means that we're trying to close the file */
4694 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4695 begin_critical_section(S_SUPPMSGMAIN);
4696 if (arcfp != NULL) {
4700 end_critical_section(S_SUPPMSGMAIN);
4705 * If we can't open the queue, perform the operation synchronously.
4707 if (arcfp == NULL) {
4708 TDAP_AdjRefCount(msgnum, incr);
4712 new_arcq.arcq_msgnum = msgnum;
4713 new_arcq.arcq_delta = incr;
4714 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4722 * TDAP_ProcessAdjRefCountQueue()
4724 * Process the queue of message count adjustments that was created by calls
4725 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4726 * for each one. This should be an "off hours" operation.
4728 int TDAP_ProcessAdjRefCountQueue(void)
4730 char file_arcq_temp[PATH_MAX];
4733 struct arcq arcq_rec;
4734 int num_records_processed = 0;
4736 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4738 begin_critical_section(S_SUPPMSGMAIN);
4739 if (arcfp != NULL) {
4744 r = link(file_arcq, file_arcq_temp);
4746 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4747 end_critical_section(S_SUPPMSGMAIN);
4748 return(num_records_processed);
4752 end_critical_section(S_SUPPMSGMAIN);
4754 fp = fopen(file_arcq_temp, "rb");
4756 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4757 return(num_records_processed);
4760 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4761 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4762 ++num_records_processed;
4766 r = unlink(file_arcq_temp);
4768 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4771 return(num_records_processed);
4777 * TDAP_AdjRefCount - adjust the reference count for a message.
4778 * This one does it "for real" because it's called by
4779 * the autopurger function that processes the queue
4780 * created by AdjRefCount(). If a message's reference
4781 * count becomes zero, we also delete the message from
4782 * disk and de-index it.
4784 void TDAP_AdjRefCount(long msgnum, int incr)
4787 struct MetaData smi;
4790 /* This is a *tight* critical section; please keep it that way, as
4791 * it may get called while nested in other critical sections.
4792 * Complicating this any further will surely cause deadlock!
4794 begin_critical_section(S_SUPPMSGMAIN);
4795 GetMetaData(&smi, msgnum);
4796 smi.meta_refcount += incr;
4798 end_critical_section(S_SUPPMSGMAIN);
4799 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4800 msgnum, incr, smi.meta_refcount
4803 /* If the reference count is now zero, delete the message
4804 * (and its supplementary record as well).
4806 if (smi.meta_refcount == 0) {
4807 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4809 /* Call delete hooks with NULL room to show it has gone altogether */
4810 PerformDeleteHooks(NULL, msgnum);
4812 /* Remove from message base */
4814 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4815 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4817 /* Remove metadata record */
4818 delnum = (0L - msgnum);
4819 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4825 * Write a generic object to this room
4827 * Note: this could be much more efficient. Right now we use two temporary
4828 * files, and still pull the message into memory as with all others.
4830 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4831 char *content_type, /* MIME type of this object */
4832 char *raw_message, /* Data to be written */
4833 off_t raw_length, /* Size of raw_message */
4834 struct ctdluser *is_mailbox, /* Mailbox room? */
4835 int is_binary, /* Is encoding necessary? */
4836 int is_unique, /* Del others of this type? */
4837 unsigned int flags /* Internal save flags */
4841 struct ctdlroom qrbuf;
4842 char roomname[ROOMNAMELEN];
4843 struct CtdlMessage *msg;
4844 char *encoded_message = NULL;
4846 if (is_mailbox != NULL) {
4847 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4850 safestrncpy(roomname, req_room, sizeof(roomname));
4853 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4856 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4859 encoded_message = malloc((size_t)(raw_length + 4096));
4862 sprintf(encoded_message, "Content-type: %s\n", content_type);
4865 sprintf(&encoded_message[strlen(encoded_message)],
4866 "Content-transfer-encoding: base64\n\n"
4870 sprintf(&encoded_message[strlen(encoded_message)],
4871 "Content-transfer-encoding: 7bit\n\n"
4877 &encoded_message[strlen(encoded_message)],
4885 &encoded_message[strlen(encoded_message)],
4891 syslog(LOG_DEBUG, "Allocating\n");
4892 msg = malloc(sizeof(struct CtdlMessage));
4893 memset(msg, 0, sizeof(struct CtdlMessage));
4894 msg->cm_magic = CTDLMESSAGE_MAGIC;
4895 msg->cm_anon_type = MES_NORMAL;
4896 msg->cm_format_type = 4;
4897 msg->cm_fields['A'] = strdup(CC->user.fullname);
4898 msg->cm_fields['O'] = strdup(req_room);
4899 msg->cm_fields['N'] = strdup(config.c_nodename);
4900 msg->cm_fields['H'] = strdup(config.c_humannode);
4901 msg->cm_flags = flags;
4903 msg->cm_fields['M'] = encoded_message;
4905 /* Create the requested room if we have to. */
4906 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4907 CtdlCreateRoom(roomname,
4908 ( (is_mailbox != NULL) ? 5 : 3 ),
4909 "", 0, 1, 0, VIEW_BBS);
4911 /* If the caller specified this object as unique, delete all
4912 * other objects of this type that are currently in the room.
4915 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
4916 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4919 /* Now write the data */
4920 CtdlSubmitMsg(msg, NULL, roomname, 0);
4921 CtdlFreeMessage(msg);
4929 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4930 config_msgnum = msgnum;
4934 char *CtdlGetSysConfig(char *sysconfname) {
4935 char hold_rm[ROOMNAMELEN];
4938 struct CtdlMessage *msg;
4941 strcpy(hold_rm, CC->room.QRname);
4942 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4943 CtdlGetRoom(&CC->room, hold_rm);
4948 /* We want the last (and probably only) config in this room */
4949 begin_critical_section(S_CONFIG);
4950 config_msgnum = (-1L);
4951 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4952 CtdlGetSysConfigBackend, NULL);
4953 msgnum = config_msgnum;
4954 end_critical_section(S_CONFIG);
4960 msg = CtdlFetchMessage(msgnum, 1);
4962 conf = strdup(msg->cm_fields['M']);
4963 CtdlFreeMessage(msg);
4970 CtdlGetRoom(&CC->room, hold_rm);
4972 if (conf != NULL) do {
4973 extract_token(buf, conf, 0, '\n', sizeof buf);
4974 strcpy(conf, &conf[strlen(buf)+1]);
4975 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
4981 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
4982 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
4987 * Determine whether a given Internet address belongs to the current user
4989 int CtdlIsMe(char *addr, int addr_buf_len)
4991 struct recptypes *recp;
4994 recp = validate_recipients(addr, NULL, 0);
4995 if (recp == NULL) return(0);
4997 if (recp->num_local == 0) {
4998 free_recipients(recp);
5002 for (i=0; i<recp->num_local; ++i) {
5003 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5004 if (!strcasecmp(addr, CC->user.fullname)) {
5005 free_recipients(recp);
5010 free_recipients(recp);
5016 * Citadel protocol command to do the same
5018 void cmd_isme(char *argbuf) {
5021 if (CtdlAccessCheck(ac_logged_in)) return;
5022 extract_token(addr, argbuf, 0, '|', sizeof addr);
5024 if (CtdlIsMe(addr, sizeof addr)) {
5025 cprintf("%d %s\n", CIT_OK, addr);
5028 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5034 /*****************************************************************************/
5035 /* MODULE INITIALIZATION STUFF */
5036 /*****************************************************************************/
5038 CTDL_MODULE_INIT(msgbase)
5041 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5042 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5043 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5044 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5045 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5046 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5047 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5048 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5049 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5050 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5051 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5052 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5055 /* return our Subversion id for the Log */