2 * Implements the message store.
4 * Copyright (c) 1987-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #if TIME_WITH_SYS_TIME
28 # include <sys/time.h>
32 # include <sys/time.h>
45 #include <sys/types.h>
47 #include <libcitadel.h>
50 #include "serv_extensions.h"
54 #include "sysdep_decls.h"
55 #include "citserver.h"
62 #include "internet_addressing.h"
63 #include "euidindex.h"
64 #include "journaling.h"
65 #include "citadel_dirs.h"
66 #include "clientsocket.h"
67 #include "serv_network.h"
70 #include "ctdl_module.h"
73 struct addresses_to_be_filed *atbf = NULL;
75 /* This temp file holds the queue of operations for AdjRefCount() */
76 static FILE *arcfp = NULL;
79 * This really belongs in serv_network.c, but I don't know how to export
80 * symbols between modules.
82 struct FilterList *filterlist = NULL;
86 * These are the four-character field headers we use when outputting
87 * messages in Citadel format (as opposed to RFC822 format).
90 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
91 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
92 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
93 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
96 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
126 * This function is self explanatory.
127 * (What can I say, I'm in a weird mood today...)
129 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
133 for (i = 0; i < strlen(name); ++i) {
134 if (name[i] == '@') {
135 while (isspace(name[i - 1]) && i > 0) {
136 strcpy(&name[i - 1], &name[i]);
139 while (isspace(name[i + 1])) {
140 strcpy(&name[i + 1], &name[i + 2]);
148 * Aliasing for network mail.
149 * (Error messages have been commented out, because this is a server.)
151 int alias(char *name)
152 { /* process alias and routing info for mail */
155 char aaa[SIZ], bbb[SIZ];
156 char *ignetcfg = NULL;
157 char *ignetmap = NULL;
163 char original_name[256];
164 safestrncpy(original_name, name, sizeof original_name);
167 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
168 stripallbut(name, '<', '>');
170 fp = fopen(file_mail_aliases, "r");
172 fp = fopen("/dev/null", "r");
179 while (fgets(aaa, sizeof aaa, fp) != NULL) {
180 while (isspace(name[0]))
181 strcpy(name, &name[1]);
182 aaa[strlen(aaa) - 1] = 0;
184 for (a = 0; a < strlen(aaa); ++a) {
186 strcpy(bbb, &aaa[a + 1]);
190 if (!strcasecmp(name, aaa))
195 /* Hit the Global Address Book */
196 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
200 if (strcasecmp(original_name, name)) {
201 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
204 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
205 for (a=0; a<strlen(name); ++a) {
206 if (name[a] == '@') {
207 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
209 syslog(LOG_INFO, "Changed to <%s>\n", name);
214 /* determine local or remote type, see citadel.h */
215 at = haschar(name, '@');
216 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
217 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
218 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
220 /* figure out the delivery mode */
221 extract_token(node, name, 1, '@', sizeof node);
223 /* If there are one or more dots in the nodename, we assume that it
224 * is an FQDN and will attempt SMTP delivery to the Internet.
226 if (haschar(node, '.') > 0) {
227 return(MES_INTERNET);
230 /* Otherwise we look in the IGnet maps for a valid Citadel node.
231 * Try directly-connected nodes first...
233 ignetcfg = CtdlGetSysConfig(IGNETCFG);
234 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
235 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
236 extract_token(testnode, buf, 0, '|', sizeof testnode);
237 if (!strcasecmp(node, testnode)) {
245 * Then try nodes that are two or more hops away.
247 ignetmap = CtdlGetSysConfig(IGNETMAP);
248 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
249 extract_token(buf, ignetmap, i, '\n', sizeof buf);
250 extract_token(testnode, buf, 0, '|', sizeof testnode);
251 if (!strcasecmp(node, testnode)) {
258 /* If we get to this point it's an invalid node name */
264 * Back end for the MSGS command: output message number only.
266 void simple_listing(long msgnum, void *userdata)
268 cprintf("%ld\n", msgnum);
274 * Back end for the MSGS command: output header summary.
276 void headers_listing(long msgnum, void *userdata)
278 struct CtdlMessage *msg;
280 msg = CtdlFetchMessage(msgnum, 0);
282 cprintf("%ld|0|||||\n", msgnum);
286 cprintf("%ld|%s|%s|%s|%s|%s|\n",
288 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
289 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
290 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
291 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
292 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
294 CtdlFreeMessage(msg);
298 * Back end for the MSGS command: output EUID header.
300 void headers_euid(long msgnum, void *userdata)
302 struct CtdlMessage *msg;
304 msg = CtdlFetchMessage(msgnum, 0);
306 cprintf("%ld||\n", msgnum);
310 cprintf("%ld|%s|%s\n",
312 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
313 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
314 CtdlFreeMessage(msg);
321 /* Determine if a given message matches the fields in a message template.
322 * Return 0 for a successful match.
324 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
327 /* If there aren't any fields in the template, all messages will
330 if (template == NULL) return(0);
332 /* Null messages are bogus. */
333 if (msg == NULL) return(1);
335 for (i='A'; i<='Z'; ++i) {
336 if (template->cm_fields[i] != NULL) {
337 if (msg->cm_fields[i] == NULL) {
338 /* Considered equal if temmplate is empty string */
339 if (IsEmptyStr(template->cm_fields[i])) continue;
342 if (strcasecmp(msg->cm_fields[i],
343 template->cm_fields[i])) return 1;
347 /* All compares succeeded: we have a match! */
354 * Retrieve the "seen" message list for the current room.
356 void CtdlGetSeen(char *buf, int which_set) {
359 /* Learn about the user and room in question */
360 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
362 if (which_set == ctdlsetseen_seen)
363 safestrncpy(buf, vbuf.v_seen, SIZ);
364 if (which_set == ctdlsetseen_answered)
365 safestrncpy(buf, vbuf.v_answered, SIZ);
371 * Manipulate the "seen msgs" string (or other message set strings)
373 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
374 int target_setting, int which_set,
375 struct ctdluser *which_user, struct ctdlroom *which_room) {
376 struct cdbdata *cdbfr;
390 char *is_set; /* actually an array of booleans */
392 /* Don't bother doing *anything* if we were passed a list of zero messages */
393 if (num_target_msgnums < 1) {
397 /* If no room was specified, we go with the current room. */
399 which_room = &CC->room;
402 /* If no user was specified, we go with the current user. */
404 which_user = &CC->user;
407 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
408 num_target_msgnums, target_msgnums[0],
409 (target_setting ? "SET" : "CLEAR"),
413 /* Learn about the user and room in question */
414 CtdlGetRelationship(&vbuf, which_user, which_room);
416 /* Load the message list */
417 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
419 msglist = (long *) cdbfr->ptr;
420 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
421 num_msgs = cdbfr->len / sizeof(long);
424 return; /* No messages at all? No further action. */
427 is_set = malloc(num_msgs * sizeof(char));
428 memset(is_set, 0, (num_msgs * sizeof(char)) );
430 /* Decide which message set we're manipulating */
432 case ctdlsetseen_seen:
433 vset = NewStrBufPlain(vbuf.v_seen, -1);
435 case ctdlsetseen_answered:
436 vset = NewStrBufPlain(vbuf.v_answered, -1);
443 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
444 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
445 for (i=0; i<num_msgs; ++i) {
446 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
448 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
449 for (k=0; k<num_target_msgnums; ++k) {
450 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
454 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
456 /* Translate the existing sequence set into an array of booleans */
457 setstr = NewStrBuf();
461 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
463 StrBufExtract_token(lostr, setstr, 0, ':');
464 if (StrBufNum_tokens(setstr, ':') >= 2) {
465 StrBufExtract_token(histr, setstr, 1, ':');
469 StrBufAppendBuf(histr, lostr, 0);
472 if (!strcmp(ChrPtr(histr), "*")) {
479 for (i = 0; i < num_msgs; ++i) {
480 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
490 /* Now translate the array of booleans back into a sequence set */
496 for (i=0; i<num_msgs; ++i) {
500 for (k=0; k<num_target_msgnums; ++k) {
501 if (msglist[i] == target_msgnums[k]) {
502 is_seen = target_setting;
506 if ((was_seen == 0) && (is_seen == 1)) {
509 else if ((was_seen == 1) && (is_seen == 0)) {
512 if (StrLength(vset) > 0) {
513 StrBufAppendBufPlain(vset, HKEY(","), 0);
516 StrBufAppendPrintf(vset, "%ld", hi);
519 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
523 if ((is_seen) && (i == num_msgs - 1)) {
524 if (StrLength(vset) > 0) {
525 StrBufAppendBufPlain(vset, HKEY(","), 0);
527 if ((i==0) || (was_seen == 0)) {
528 StrBufAppendPrintf(vset, "%ld", msglist[i]);
531 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
539 * We will have to stuff this string back into a 4096 byte buffer, so if it's
540 * larger than that now, truncate it by removing tokens from the beginning.
541 * The limit of 100 iterations is there to prevent an infinite loop in case
542 * something unexpected happens.
544 int number_of_truncations = 0;
545 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
546 StrBufRemove_token(vset, 0, ',');
547 ++number_of_truncations;
551 * If we're truncating the sequence set of messages marked with the 'seen' flag,
552 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
553 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
555 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
557 first_tok = NewStrBuf();
558 StrBufExtract_token(first_tok, vset, 0, ',');
559 StrBufRemove_token(vset, 0, ',');
561 if (StrBufNum_tokens(first_tok, ':') > 1) {
562 StrBufRemove_token(first_tok, 0, ':');
566 new_set = NewStrBuf();
567 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
568 StrBufAppendBuf(new_set, first_tok, 0);
569 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
570 StrBufAppendBuf(new_set, vset, 0);
573 FreeStrBuf(&first_tok);
577 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
579 /* Decide which message set we're manipulating */
581 case ctdlsetseen_seen:
582 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
584 case ctdlsetseen_answered:
585 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
591 CtdlSetRelationship(&vbuf, which_user, which_room);
597 * API function to perform an operation for each qualifying message in the
598 * current room. (Returns the number of messages processed.)
600 int CtdlForEachMessage(int mode, long ref, char *search_string,
602 struct CtdlMessage *compare,
603 ForEachMsgCallback CallBack,
609 struct cdbdata *cdbfr;
610 long *msglist = NULL;
612 int num_processed = 0;
615 struct CtdlMessage *msg = NULL;
618 int printed_lastold = 0;
619 int num_search_msgs = 0;
620 long *search_msgs = NULL;
622 int need_to_free_re = 0;
625 if ((content_type) && (!IsEmptyStr(content_type))) {
626 regcomp(&re, content_type, 0);
630 /* Learn about the user and room in question */
631 CtdlGetUser(&CC->user, CC->curr_user);
632 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
634 /* Load the message list */
635 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
637 if (need_to_free_re) regfree(&re);
638 return 0; /* No messages at all? No further action. */
641 msglist = (long *) cdbfr->ptr;
642 num_msgs = cdbfr->len / sizeof(long);
644 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
645 cdb_free(cdbfr); /* we own this memory now */
648 * We cache the most recent msglist in order to do security checks later
650 if (CC->client_socket > 0) {
651 if (CC->cached_msglist != NULL) {
652 free(CC->cached_msglist);
655 CC->cached_msglist = msglist;
656 CC->cached_num_msgs = num_msgs;
660 * Now begin the traversal.
662 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
664 /* If the caller is looking for a specific MIME type, filter
665 * out all messages which are not of the type requested.
667 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
669 /* This call to GetMetaData() sits inside this loop
670 * so that we only do the extra database read per msg
671 * if we need to. Doing the extra read all the time
672 * really kills the server. If we ever need to use
673 * metadata for another search criterion, we need to
674 * move the read somewhere else -- but still be smart
675 * enough to only do the read if the caller has
676 * specified something that will need it.
678 GetMetaData(&smi, msglist[a]);
680 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
681 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
687 num_msgs = sort_msglist(msglist, num_msgs);
689 /* If a template was supplied, filter out the messages which
690 * don't match. (This could induce some delays!)
693 if (compare != NULL) {
694 for (a = 0; a < num_msgs; ++a) {
695 msg = CtdlFetchMessage(msglist[a], 1);
697 if (CtdlMsgCmp(msg, compare)) {
700 CtdlFreeMessage(msg);
706 /* If a search string was specified, get a message list from
707 * the full text index and remove messages which aren't on both
711 * Since the lists are sorted and strictly ascending, and the
712 * output list is guaranteed to be shorter than or equal to the
713 * input list, we overwrite the bottom of the input list. This
714 * eliminates the need to memmove big chunks of the list over and
717 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
719 /* Call search module via hook mechanism.
720 * NULL means use any search function available.
721 * otherwise replace with a char * to name of search routine
723 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
725 if (num_search_msgs > 0) {
729 orig_num_msgs = num_msgs;
731 for (i=0; i<orig_num_msgs; ++i) {
732 for (j=0; j<num_search_msgs; ++j) {
733 if (msglist[i] == search_msgs[j]) {
734 msglist[num_msgs++] = msglist[i];
740 num_msgs = 0; /* No messages qualify */
742 if (search_msgs != NULL) free(search_msgs);
744 /* Now that we've purged messages which don't contain the search
745 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
752 * Now iterate through the message list, according to the
753 * criteria supplied by the caller.
756 for (a = 0; a < num_msgs; ++a) {
757 thismsg = msglist[a];
758 if (mode == MSGS_ALL) {
762 is_seen = is_msg_in_sequence_set(
763 vbuf.v_seen, thismsg);
764 if (is_seen) lastold = thismsg;
770 || ((mode == MSGS_OLD) && (is_seen))
771 || ((mode == MSGS_NEW) && (!is_seen))
772 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
773 || ((mode == MSGS_FIRST) && (a < ref))
774 || ((mode == MSGS_GT) && (thismsg > ref))
775 || ((mode == MSGS_LT) && (thismsg < ref))
776 || ((mode == MSGS_EQ) && (thismsg == ref))
779 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
781 CallBack(lastold, userdata);
785 if (CallBack) CallBack(thismsg, userdata);
789 if (need_to_free_re) regfree(&re);
790 if (CC->client_socket <= 0) free(msglist);
791 return num_processed;
797 * cmd_msgs() - get list of message #'s in this room
798 * implements the MSGS server command using CtdlForEachMessage()
800 void cmd_msgs(char *cmdbuf)
809 int with_template = 0;
810 struct CtdlMessage *template = NULL;
811 char search_string[1024];
812 ForEachMsgCallback CallBack;
814 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
816 extract_token(which, cmdbuf, 0, '|', sizeof which);
817 cm_ref = extract_int(cmdbuf, 1);
818 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
819 with_template = extract_int(cmdbuf, 2);
820 switch (extract_int(cmdbuf, 3))
824 CallBack = simple_listing;
827 CallBack = headers_listing;
830 CallBack = headers_euid;
835 if (!strncasecmp(which, "OLD", 3))
837 else if (!strncasecmp(which, "NEW", 3))
839 else if (!strncasecmp(which, "FIRST", 5))
841 else if (!strncasecmp(which, "LAST", 4))
843 else if (!strncasecmp(which, "GT", 2))
845 else if (!strncasecmp(which, "LT", 2))
847 else if (!strncasecmp(which, "SEARCH", 6))
852 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
853 cprintf("%d Full text index is not enabled on this server.\n",
854 ERROR + CMD_NOT_SUPPORTED);
860 cprintf("%d Send template then receive message list\n",
862 template = (struct CtdlMessage *)
863 malloc(sizeof(struct CtdlMessage));
864 memset(template, 0, sizeof(struct CtdlMessage));
865 template->cm_magic = CTDLMESSAGE_MAGIC;
866 template->cm_anon_type = MES_NORMAL;
868 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
869 extract_token(tfield, buf, 0, '|', sizeof tfield);
870 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
871 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
872 if (!strcasecmp(tfield, msgkeys[i])) {
873 template->cm_fields[i] =
881 cprintf("%d \n", LISTING_FOLLOWS);
884 CtdlForEachMessage(mode,
885 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
886 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
891 if (template != NULL) CtdlFreeMessage(template);
899 * help_subst() - support routine for help file viewer
901 void help_subst(char *strbuf, char *source, char *dest)
906 while (p = pattern2(strbuf, source), (p >= 0)) {
907 strcpy(workbuf, &strbuf[p + strlen(source)]);
908 strcpy(&strbuf[p], dest);
909 strcat(strbuf, workbuf);
914 void do_help_subst(char *buffer)
918 help_subst(buffer, "^nodename", config.c_nodename);
919 help_subst(buffer, "^humannode", config.c_humannode);
920 help_subst(buffer, "^fqdn", config.c_fqdn);
921 help_subst(buffer, "^username", CC->user.fullname);
922 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
923 help_subst(buffer, "^usernum", buf2);
924 help_subst(buffer, "^sysadm", config.c_sysadm);
925 help_subst(buffer, "^variantname", CITADEL);
926 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
927 help_subst(buffer, "^maxsessions", buf2);
928 help_subst(buffer, "^bbsdir", ctdl_message_dir);
934 * memfmout() - Citadel text formatter and paginator.
935 * Although the original purpose of this routine was to format
936 * text to the reader's screen width, all we're really using it
937 * for here is to format text out to 80 columns before sending it
938 * to the client. The client software may reformat it again.
941 char *mptr, /* where are we going to get our text from? */
942 const char *nl /* string to terminate lines with */
945 unsigned char ch = 0;
952 while (ch=*(mptr++), ch != 0) {
955 client_write(outbuf, len);
957 client_write(nl, nllen);
960 else if (ch == '\r') {
961 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
963 else if (isspace(ch)) {
964 if (column > 72) { /* Beyond 72 columns, break on the next space */
965 client_write(outbuf, len);
967 client_write(nl, nllen);
978 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
979 client_write(outbuf, len);
981 client_write(nl, nllen);
987 client_write(outbuf, len);
989 client_write(nl, nllen);
997 * Callback function for mime parser that simply lists the part
999 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1000 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1001 char *cbid, void *cbuserdata)
1005 ma = (struct ma_info *)cbuserdata;
1006 if (ma->is_ma == 0) {
1007 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1020 * Callback function for multipart prefix
1022 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1023 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1024 char *cbid, void *cbuserdata)
1028 ma = (struct ma_info *)cbuserdata;
1029 if (!strcasecmp(cbtype, "multipart/alternative")) {
1033 if (ma->is_ma == 0) {
1034 cprintf("pref=%s|%s\n", partnum, cbtype);
1039 * Callback function for multipart sufffix
1041 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1042 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1043 char *cbid, void *cbuserdata)
1047 ma = (struct ma_info *)cbuserdata;
1048 if (ma->is_ma == 0) {
1049 cprintf("suff=%s|%s\n", partnum, cbtype);
1051 if (!strcasecmp(cbtype, "multipart/alternative")) {
1058 * Callback function for mime parser that opens a section for downloading
1060 void mime_download(char *name, char *filename, char *partnum, char *disp,
1061 void *content, char *cbtype, char *cbcharset, size_t length,
1062 char *encoding, char *cbid, void *cbuserdata)
1066 /* Silently go away if there's already a download open. */
1067 if (CC->download_fp != NULL)
1071 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1072 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1074 CC->download_fp = tmpfile();
1075 if (CC->download_fp == NULL)
1078 rv = fwrite(content, length, 1, CC->download_fp);
1079 fflush(CC->download_fp);
1080 rewind(CC->download_fp);
1082 OpenCmdResult(filename, cbtype);
1089 * Callback function for mime parser that outputs a section all at once.
1090 * We can specify the desired section by part number *or* content-id.
1092 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1093 void *content, char *cbtype, char *cbcharset, size_t length,
1094 char *encoding, char *cbid, void *cbuserdata)
1096 int *found_it = (int *)cbuserdata;
1099 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1100 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1103 cprintf("%d %d|-1|%s|%s|%s\n",
1110 client_write(content, length);
1116 * Load a message from disk into memory.
1117 * This is used by CtdlOutputMsg() and other fetch functions.
1119 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1120 * using the CtdlMessageFree() function.
1122 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1124 struct cdbdata *dmsgtext;
1125 struct CtdlMessage *ret = NULL;
1129 cit_uint8_t field_header;
1131 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1132 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1133 if (dmsgtext == NULL) {
1136 mptr = dmsgtext->ptr;
1137 upper_bound = mptr + dmsgtext->len;
1139 /* Parse the three bytes that begin EVERY message on disk.
1140 * The first is always 0xFF, the on-disk magic number.
1141 * The second is the anonymous/public type byte.
1142 * The third is the format type byte (vari, fixed, or MIME).
1146 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1150 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1151 memset(ret, 0, sizeof(struct CtdlMessage));
1153 ret->cm_magic = CTDLMESSAGE_MAGIC;
1154 ret->cm_anon_type = *mptr++; /* Anon type byte */
1155 ret->cm_format_type = *mptr++; /* Format type byte */
1158 * The rest is zero or more arbitrary fields. Load them in.
1159 * We're done when we encounter either a zero-length field or
1160 * have just processed the 'M' (message text) field.
1163 if (mptr >= upper_bound) {
1166 field_header = *mptr++;
1167 ret->cm_fields[field_header] = strdup(mptr);
1169 while (*mptr++ != 0); /* advance to next field */
1171 } while ((mptr < upper_bound) && (field_header != 'M'));
1175 /* Always make sure there's something in the msg text field. If
1176 * it's NULL, the message text is most likely stored separately,
1177 * so go ahead and fetch that. Failing that, just set a dummy
1178 * body so other code doesn't barf.
1180 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1181 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1182 if (dmsgtext != NULL) {
1183 ret->cm_fields['M'] = dmsgtext->ptr;
1184 dmsgtext->ptr = NULL;
1188 if (ret->cm_fields['M'] == NULL) {
1189 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1192 /* Perform "before read" hooks (aborting if any return nonzero) */
1193 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1194 CtdlFreeMessage(ret);
1203 * Returns 1 if the supplied pointer points to a valid Citadel message.
1204 * If the pointer is NULL or the magic number check fails, returns 0.
1206 int is_valid_message(struct CtdlMessage *msg) {
1209 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1210 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1218 * 'Destructor' for struct CtdlMessage
1220 void CtdlFreeMessage(struct CtdlMessage *msg)
1224 if (is_valid_message(msg) == 0)
1226 if (msg != NULL) free (msg);
1230 for (i = 0; i < 256; ++i)
1231 if (msg->cm_fields[i] != NULL) {
1232 free(msg->cm_fields[i]);
1235 msg->cm_magic = 0; /* just in case */
1241 * Pre callback function for multipart/alternative
1243 * NOTE: this differs from the standard behavior for a reason. Normally when
1244 * displaying multipart/alternative you want to show the _last_ usable
1245 * format in the message. Here we show the _first_ one, because it's
1246 * usually text/plain. Since this set of functions is designed for text
1247 * output to non-MIME-aware clients, this is the desired behavior.
1250 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1251 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1252 char *cbid, void *cbuserdata)
1256 ma = (struct ma_info *)cbuserdata;
1257 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1258 if (!strcasecmp(cbtype, "multipart/alternative")) {
1262 if (!strcasecmp(cbtype, "message/rfc822")) {
1268 * Post callback function for multipart/alternative
1270 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1271 void *content, char *cbtype, char *cbcharset, size_t length,
1272 char *encoding, char *cbid, void *cbuserdata)
1276 ma = (struct ma_info *)cbuserdata;
1277 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1278 if (!strcasecmp(cbtype, "multipart/alternative")) {
1282 if (!strcasecmp(cbtype, "message/rfc822")) {
1288 * Inline callback function for mime parser that wants to display text
1290 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1291 void *content, char *cbtype, char *cbcharset, size_t length,
1292 char *encoding, char *cbid, void *cbuserdata)
1299 ma = (struct ma_info *)cbuserdata;
1302 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1303 partnum, filename, cbtype, (long)length);
1306 * If we're in the middle of a multipart/alternative scope and
1307 * we've already printed another section, skip this one.
1309 if ( (ma->is_ma) && (ma->did_print) ) {
1310 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1315 if ( (!strcasecmp(cbtype, "text/plain"))
1316 || (IsEmptyStr(cbtype)) ) {
1319 client_write(wptr, length);
1320 if (wptr[length-1] != '\n') {
1327 if (!strcasecmp(cbtype, "text/html")) {
1328 ptr = html_to_ascii(content, length, 80, 0);
1330 client_write(ptr, wlen);
1331 if (ptr[wlen-1] != '\n') {
1338 if (ma->use_fo_hooks) {
1339 if (PerformFixedOutputHooks(cbtype, content, length)) {
1340 /* above function returns nonzero if it handled the part */
1345 if (strncasecmp(cbtype, "multipart/", 10)) {
1346 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1347 partnum, filename, cbtype, (long)length);
1353 * The client is elegant and sophisticated and wants to be choosy about
1354 * MIME content types, so figure out which multipart/alternative part
1355 * we're going to send.
1357 * We use a system of weights. When we find a part that matches one of the
1358 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1359 * and then set ma->chosen_pref to that MIME type's position in our preference
1360 * list. If we then hit another match, we only replace the first match if
1361 * the preference value is lower.
1363 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1364 void *content, char *cbtype, char *cbcharset, size_t length,
1365 char *encoding, char *cbid, void *cbuserdata)
1371 ma = (struct ma_info *)cbuserdata;
1373 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1374 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1375 // I don't know if there are any side effects! Please TEST TEST TEST
1376 //if (ma->is_ma > 0) {
1378 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1379 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1380 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1381 if (i < ma->chosen_pref) {
1382 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1383 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1384 ma->chosen_pref = i;
1391 * Now that we've chosen our preferred part, output it.
1393 void output_preferred(char *name,
1407 int add_newline = 0;
1410 char *decoded = NULL;
1411 size_t bytes_decoded;
1414 ma = (struct ma_info *)cbuserdata;
1416 /* This is not the MIME part you're looking for... */
1417 if (strcasecmp(partnum, ma->chosen_part)) return;
1419 /* If the content-type of this part is in our preferred formats
1420 * list, we can simply output it verbatim.
1422 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1423 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1424 if (!strcasecmp(buf, cbtype)) {
1425 /* Yeah! Go! W00t!! */
1426 if (ma->dont_decode == 0)
1427 rc = mime_decode_now (content,
1433 break; /* Give us the chance, maybe theres another one. */
1435 if (rc == 0) text_content = (char *)content;
1437 text_content = decoded;
1438 length = bytes_decoded;
1441 if (text_content[length-1] != '\n') {
1444 cprintf("Content-type: %s", cbtype);
1445 if (!IsEmptyStr(cbcharset)) {
1446 cprintf("; charset=%s", cbcharset);
1448 cprintf("\nContent-length: %d\n",
1449 (int)(length + add_newline) );
1450 if (!IsEmptyStr(encoding)) {
1451 cprintf("Content-transfer-encoding: %s\n", encoding);
1454 cprintf("Content-transfer-encoding: 7bit\n");
1456 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1458 client_write(text_content, length);
1459 if (add_newline) cprintf("\n");
1460 if (decoded != NULL) free(decoded);
1465 /* No translations required or possible: output as text/plain */
1466 cprintf("Content-type: text/plain\n\n");
1468 if (ma->dont_decode == 0)
1469 rc = mime_decode_now (content,
1475 return; /* Give us the chance, maybe theres another one. */
1477 if (rc == 0) text_content = (char *)content;
1479 text_content = decoded;
1480 length = bytes_decoded;
1483 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1484 length, encoding, cbid, cbuserdata);
1485 if (decoded != NULL) free(decoded);
1490 char desired_section[64];
1497 * Callback function for
1499 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1500 void *content, char *cbtype, char *cbcharset, size_t length,
1501 char *encoding, char *cbid, void *cbuserdata)
1503 struct encapmsg *encap;
1505 encap = (struct encapmsg *)cbuserdata;
1507 /* Only proceed if this is the desired section... */
1508 if (!strcasecmp(encap->desired_section, partnum)) {
1509 encap->msglen = length;
1510 encap->msg = malloc(length + 2);
1511 memcpy(encap->msg, content, length);
1518 * Determine whether the specified message exists in the cached_msglist
1519 * (This is a security check)
1521 int check_cached_msglist(long msgnum) {
1523 /* cases in which we skip the check */
1524 if (!CC) return om_ok; /* not a session */
1525 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1526 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1527 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1530 /* Do a binary search within the cached_msglist for the requested msgnum */
1532 int max = (CC->cached_num_msgs - 1);
1534 while (max >= min) {
1535 int middle = min + (max-min) / 2 ;
1536 if (msgnum == CC->cached_msglist[middle]) {
1539 if (msgnum > CC->cached_msglist[middle]) {
1547 return om_access_denied;
1552 * Determine whether the currently logged in session has permission to read
1553 * messages in the current room.
1555 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1556 if ( (!(CC->logged_in))
1557 && (!(CC->internal_pgm))
1558 && (!config.c_guest_logins)
1560 return(om_not_logged_in);
1567 * Get a message off disk. (returns om_* values found in msgbase.h)
1570 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1571 int mode, /* how would you like that message? */
1572 int headers_only, /* eschew the message body? */
1573 int do_proto, /* do Citadel protocol responses? */
1574 int crlf, /* Use CRLF newlines instead of LF? */
1575 char *section, /* NULL or a message/rfc822 section */
1576 int flags /* various flags; see msgbase.h */
1578 struct CtdlMessage *TheMessage = NULL;
1579 int retcode = om_no_such_msg;
1580 struct encapmsg encap;
1583 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1585 (section ? section : "<>")
1588 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1591 if (r == om_not_logged_in) {
1592 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1595 cprintf("%d An unknown error has occurred.\n", ERROR);
1601 r = check_cached_msglist(msg_num);
1603 syslog(LOG_DEBUG, "\033[31m SECURITY CHECK FAIL \033[0m\n");
1605 * FIXME enable this section when the security check yields no false positives
1608 if (r == om_access_denied) {
1609 cprintf("%d Message %ld was not found in this room.\n",
1610 ERROR + MESSAGE_NOT_FOUND,
1615 cprintf("%d An unknown error has occurred.\n", ERROR);
1623 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1624 * request that we don't even bother loading the body into memory.
1626 if (headers_only == HEADERS_FAST) {
1627 TheMessage = CtdlFetchMessage(msg_num, 0);
1630 TheMessage = CtdlFetchMessage(msg_num, 1);
1633 if (TheMessage == NULL) {
1634 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1635 ERROR + MESSAGE_NOT_FOUND, msg_num);
1636 return(om_no_such_msg);
1639 /* Here is the weird form of this command, to process only an
1640 * encapsulated message/rfc822 section.
1642 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1643 memset(&encap, 0, sizeof encap);
1644 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1645 mime_parser(TheMessage->cm_fields['M'],
1647 *extract_encapsulated_message,
1648 NULL, NULL, (void *)&encap, 0
1650 CtdlFreeMessage(TheMessage);
1654 encap.msg[encap.msglen] = 0;
1655 TheMessage = convert_internet_message(encap.msg);
1656 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1658 /* Now we let it fall through to the bottom of this
1659 * function, because TheMessage now contains the
1660 * encapsulated message instead of the top-level
1661 * message. Isn't that neat?
1666 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1667 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1668 retcode = om_no_such_msg;
1673 /* Ok, output the message now */
1674 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1675 CtdlFreeMessage(TheMessage);
1681 char *qp_encode_email_addrs(char *source)
1683 char *user, *node, *name;
1684 const char headerStr[] = "=?UTF-8?Q?";
1688 int need_to_encode = 0;
1694 long nAddrPtrMax = 50;
1699 if (source == NULL) return source;
1700 if (IsEmptyStr(source)) return source;
1702 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1704 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1705 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1706 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1709 while (!IsEmptyStr (&source[i])) {
1710 if (nColons >= nAddrPtrMax){
1713 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1714 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1715 free (AddrPtr), AddrPtr = ptr;
1717 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1718 memset(&ptr[nAddrPtrMax], 0,
1719 sizeof (long) * nAddrPtrMax);
1721 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1722 free (AddrUtf8), AddrUtf8 = ptr;
1725 if (((unsigned char) source[i] < 32) ||
1726 ((unsigned char) source[i] > 126)) {
1728 AddrUtf8[nColons] = 1;
1730 if (source[i] == '"')
1731 InQuotes = !InQuotes;
1732 if (!InQuotes && source[i] == ',') {
1733 AddrPtr[nColons] = i;
1738 if (need_to_encode == 0) {
1745 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1746 Encoded = (char*) malloc (EncodedMaxLen);
1748 for (i = 0; i < nColons; i++)
1749 source[AddrPtr[i]++] = '\0';
1750 /* TODO: if libidn, this might get larger*/
1751 user = malloc(SourceLen + 1);
1752 node = malloc(SourceLen + 1);
1753 name = malloc(SourceLen + 1);
1757 for (i = 0; i < nColons && nPtr != NULL; i++) {
1758 nmax = EncodedMaxLen - (nPtr - Encoded);
1760 process_rfc822_addr(&source[AddrPtr[i]],
1764 /* TODO: libIDN here ! */
1765 if (IsEmptyStr(name)) {
1766 n = snprintf(nPtr, nmax,
1767 (i==0)?"%s@%s" : ",%s@%s",
1771 EncodedName = rfc2047encode(name, strlen(name));
1772 n = snprintf(nPtr, nmax,
1773 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1774 EncodedName, user, node);
1779 n = snprintf(nPtr, nmax,
1780 (i==0)?"%s" : ",%s",
1781 &source[AddrPtr[i]]);
1787 ptr = (char*) malloc(EncodedMaxLen * 2);
1788 memcpy(ptr, Encoded, EncodedMaxLen);
1789 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1790 free(Encoded), Encoded = ptr;
1792 i--; /* do it once more with properly lengthened buffer */
1795 for (i = 0; i < nColons; i++)
1796 source[--AddrPtr[i]] = ',';
1807 /* If the last item in a list of recipients was truncated to a partial address,
1808 * remove it completely in order to avoid choking libSieve
1810 void sanitize_truncated_recipient(char *str)
1813 if (num_tokens(str, ',') < 2) return;
1815 int len = strlen(str);
1816 if (len < 900) return;
1817 if (len > 998) str[998] = 0;
1819 char *cptr = strrchr(str, ',');
1822 char *lptr = strchr(cptr, '<');
1823 char *rptr = strchr(cptr, '>');
1825 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1831 void OutputCtdlMsgHeaders(
1832 struct CtdlMessage *TheMessage,
1833 int do_proto) /* do Citadel protocol responses? */
1839 char display_name[256];
1841 /* begin header processing loop for Citadel message format */
1842 safestrncpy(display_name, "<unknown>", sizeof display_name);
1843 if (TheMessage->cm_fields['A']) {
1844 strcpy(buf, TheMessage->cm_fields['A']);
1845 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1846 safestrncpy(display_name, "****", sizeof display_name);
1848 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1849 safestrncpy(display_name, "anonymous", sizeof display_name);
1852 safestrncpy(display_name, buf, sizeof display_name);
1854 if ((is_room_aide())
1855 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1856 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1857 size_t tmp = strlen(display_name);
1858 snprintf(&display_name[tmp],
1859 sizeof display_name - tmp,
1864 /* Don't show Internet address for users on the
1865 * local Citadel network.
1868 if (TheMessage->cm_fields['N'] != NULL)
1869 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1870 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1874 /* Now spew the header fields in the order we like them. */
1875 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1876 for (i=0; i<n; ++i) {
1877 k = (int) allkeys[i];
1879 if ( (TheMessage->cm_fields[k] != NULL)
1880 && (msgkeys[k] != NULL) ) {
1881 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1882 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1885 if (do_proto) cprintf("%s=%s\n",
1889 else if ((k == 'F') && (suppress_f)) {
1892 /* Masquerade display name if needed */
1894 if (do_proto) cprintf("%s=%s\n",
1896 TheMessage->cm_fields[k]
1905 void OutputRFC822MsgHeaders(
1906 struct CtdlMessage *TheMessage,
1907 int flags, /* should the bessage be exported clean */
1909 char *mid, long sizeof_mid,
1910 char *suser, long sizeof_suser,
1911 char *luser, long sizeof_luser,
1912 char *fuser, long sizeof_fuser,
1913 char *snode, long sizeof_snode)
1915 char datestamp[100];
1916 int subject_found = 0;
1922 for (i = 0; i < 256; ++i) {
1923 if (TheMessage->cm_fields[i]) {
1924 mptr = mpptr = TheMessage->cm_fields[i];
1927 safestrncpy(luser, mptr, sizeof_luser);
1928 safestrncpy(suser, mptr, sizeof_suser);
1930 else if (i == 'Y') {
1931 if ((flags & QP_EADDR) != 0) {
1932 mptr = qp_encode_email_addrs(mptr);
1934 sanitize_truncated_recipient(mptr);
1935 cprintf("CC: %s%s", mptr, nl);
1937 else if (i == 'P') {
1938 cprintf("Return-Path: %s%s", mptr, nl);
1940 else if (i == 'L') {
1941 cprintf("List-ID: %s%s", mptr, nl);
1943 else if (i == 'V') {
1944 if ((flags & QP_EADDR) != 0)
1945 mptr = qp_encode_email_addrs(mptr);
1946 cprintf("Envelope-To: %s%s", mptr, nl);
1948 else if (i == 'U') {
1949 cprintf("Subject: %s%s", mptr, nl);
1953 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1955 safestrncpy(fuser, mptr, sizeof_fuser);
1956 /* else if (i == 'O')
1957 cprintf("X-Citadel-Room: %s%s",
1960 safestrncpy(snode, mptr, sizeof_snode);
1963 if (haschar(mptr, '@') == 0)
1965 sanitize_truncated_recipient(mptr);
1966 cprintf("To: %s@%s", mptr, config.c_fqdn);
1971 if ((flags & QP_EADDR) != 0) {
1972 mptr = qp_encode_email_addrs(mptr);
1974 sanitize_truncated_recipient(mptr);
1975 cprintf("To: %s", mptr);
1979 else if (i == 'T') {
1980 datestring(datestamp, sizeof datestamp,
1981 atol(mptr), DATESTRING_RFC822);
1982 cprintf("Date: %s%s", datestamp, nl);
1984 else if (i == 'W') {
1985 cprintf("References: ");
1986 k = num_tokens(mptr, '|');
1987 for (j=0; j<k; ++j) {
1988 extract_token(buf, mptr, j, '|', sizeof buf);
1989 cprintf("<%s>", buf);
1998 else if (i == 'K') {
1999 cprintf("Reply-To: <%s>%s", mptr, nl);
2005 if (subject_found == 0) {
2006 cprintf("Subject: (no subject)%s", nl);
2011 void Dump_RFC822HeadersBody(
2012 struct CtdlMessage *TheMessage,
2013 int headers_only, /* eschew the message body? */
2014 int flags, /* should the bessage be exported clean? */
2018 cit_uint8_t prev_ch;
2020 const char *StartOfText = StrBufNOTNULL;
2023 int nllen = strlen(nl);
2026 mptr = TheMessage->cm_fields['M'];
2030 while (*mptr != '\0') {
2031 if (*mptr == '\r') {
2038 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2040 eoh = *(mptr+1) == '\n';
2044 StartOfText = strchr(StartOfText, '\n');
2045 StartOfText = strchr(StartOfText, '\n');
2048 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2049 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2050 ((headers_only != HEADERS_NONE) &&
2051 (headers_only != HEADERS_ONLY))
2053 if (*mptr == '\n') {
2054 memcpy(&outbuf[outlen], nl, nllen);
2056 outbuf[outlen] = '\0';
2059 outbuf[outlen++] = *mptr;
2063 if (flags & ESC_DOT)
2065 if ((prev_ch == '\n') &&
2067 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2069 outbuf[outlen++] = '.';
2074 if (outlen > 1000) {
2075 client_write(outbuf, outlen);
2080 client_write(outbuf, outlen);
2087 /* If the format type on disk is 1 (fixed-format), then we want
2088 * everything to be output completely literally ... regardless of
2089 * what message transfer format is in use.
2091 void DumpFormatFixed(
2092 struct CtdlMessage *TheMessage,
2093 int mode, /* how would you like that message? */
2100 int nllen = strlen (nl);
2103 mptr = TheMessage->cm_fields['M'];
2105 if (mode == MT_MIME) {
2106 cprintf("Content-type: text/plain\n\n");
2110 while (ch = *mptr++, ch > 0) {
2114 if ((buflen > 250) && (!xlline)){
2118 while ((buflen > 0) &&
2119 (!isspace(buf[buflen])))
2125 mptr -= tbuflen - buflen;
2130 /* if we reach the outer bounds of our buffer,
2131 abort without respect what whe purge. */
2134 (buflen > SIZ - nllen - 2)))
2138 memcpy (&buf[buflen], nl, nllen);
2142 client_write(buf, buflen);
2152 if (!IsEmptyStr(buf))
2153 cprintf("%s%s", buf, nl);
2157 * Get a message off disk. (returns om_* values found in msgbase.h)
2159 int CtdlOutputPreLoadedMsg(
2160 struct CtdlMessage *TheMessage,
2161 int mode, /* how would you like that message? */
2162 int headers_only, /* eschew the message body? */
2163 int do_proto, /* do Citadel protocol responses? */
2164 int crlf, /* Use CRLF newlines instead of LF? */
2165 int flags /* should the bessage be exported clean? */
2169 const char *nl; /* newline string */
2172 /* Buffers needed for RFC822 translation. These are all filled
2173 * using functions that are bounds-checked, and therefore we can
2174 * make them substantially smaller than SIZ.
2182 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2183 ((TheMessage == NULL) ? "NULL" : "not null"),
2184 mode, headers_only, do_proto, crlf);
2186 strcpy(mid, "unknown");
2187 nl = (crlf ? "\r\n" : "\n");
2189 if (!is_valid_message(TheMessage)) {
2191 "ERROR: invalid preloaded message for output\n");
2193 return(om_no_such_msg);
2196 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2197 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2199 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2200 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2203 /* Are we downloading a MIME component? */
2204 if (mode == MT_DOWNLOAD) {
2205 if (TheMessage->cm_format_type != FMT_RFC822) {
2207 cprintf("%d This is not a MIME message.\n",
2208 ERROR + ILLEGAL_VALUE);
2209 } else if (CC->download_fp != NULL) {
2210 if (do_proto) cprintf(
2211 "%d You already have a download open.\n",
2212 ERROR + RESOURCE_BUSY);
2214 /* Parse the message text component */
2215 mptr = TheMessage->cm_fields['M'];
2216 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2217 /* If there's no file open by this time, the requested
2218 * section wasn't found, so print an error
2220 if (CC->download_fp == NULL) {
2221 if (do_proto) cprintf(
2222 "%d Section %s not found.\n",
2223 ERROR + FILE_NOT_FOUND,
2224 CC->download_desired_section);
2227 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2230 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2231 * in a single server operation instead of opening a download file.
2233 if (mode == MT_SPEW_SECTION) {
2234 if (TheMessage->cm_format_type != FMT_RFC822) {
2236 cprintf("%d This is not a MIME message.\n",
2237 ERROR + ILLEGAL_VALUE);
2239 /* Parse the message text component */
2242 mptr = TheMessage->cm_fields['M'];
2243 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2244 /* If section wasn't found, print an error
2247 if (do_proto) cprintf(
2248 "%d Section %s not found.\n",
2249 ERROR + FILE_NOT_FOUND,
2250 CC->download_desired_section);
2253 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2256 /* now for the user-mode message reading loops */
2257 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2259 /* Does the caller want to skip the headers? */
2260 if (headers_only == HEADERS_NONE) goto START_TEXT;
2262 /* Tell the client which format type we're using. */
2263 if ( (mode == MT_CITADEL) && (do_proto) ) {
2264 cprintf("type=%d\n", TheMessage->cm_format_type);
2267 /* nhdr=yes means that we're only displaying headers, no body */
2268 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2269 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2272 cprintf("nhdr=yes\n");
2275 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2276 OutputCtdlMsgHeaders(TheMessage, do_proto);
2279 /* begin header processing loop for RFC822 transfer format */
2283 strcpy(snode, NODENAME);
2284 if (mode == MT_RFC822)
2285 OutputRFC822MsgHeaders(
2290 suser, sizeof(suser),
2291 luser, sizeof(luser),
2292 fuser, sizeof(fuser),
2293 snode, sizeof(snode)
2297 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2298 suser[i] = tolower(suser[i]);
2299 if (!isalnum(suser[i])) suser[i]='_';
2302 if (mode == MT_RFC822) {
2303 if (!strcasecmp(snode, NODENAME)) {
2304 safestrncpy(snode, FQDN, sizeof snode);
2307 /* Construct a fun message id */
2308 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2309 if (strchr(mid, '@')==NULL) {
2310 cprintf("@%s", snode);
2314 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2315 cprintf("From: \"----\" <x@x.org>%s", nl);
2317 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2318 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2320 else if (!IsEmptyStr(fuser)) {
2321 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2324 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2327 /* Blank line signifying RFC822 end-of-headers */
2328 if (TheMessage->cm_format_type != FMT_RFC822) {
2333 /* end header processing loop ... at this point, we're in the text */
2335 if (headers_only == HEADERS_FAST) goto DONE;
2337 /* Tell the client about the MIME parts in this message */
2338 if (TheMessage->cm_format_type == FMT_RFC822) {
2339 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2340 mptr = TheMessage->cm_fields['M'];
2341 memset(&ma, 0, sizeof(struct ma_info));
2342 mime_parser(mptr, NULL,
2343 (do_proto ? *list_this_part : NULL),
2344 (do_proto ? *list_this_pref : NULL),
2345 (do_proto ? *list_this_suff : NULL),
2348 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2349 Dump_RFC822HeadersBody(
2358 if (headers_only == HEADERS_ONLY) {
2362 /* signify start of msg text */
2363 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2364 if (do_proto) cprintf("text\n");
2367 if (TheMessage->cm_format_type == FMT_FIXED)
2370 mode, /* how would you like that message? */
2373 /* If the message on disk is format 0 (Citadel vari-format), we
2374 * output using the formatter at 80 columns. This is the final output
2375 * form if the transfer format is RFC822, but if the transfer format
2376 * is Citadel proprietary, it'll still work, because the indentation
2377 * for new paragraphs is correct and the client will reformat the
2378 * message to the reader's screen width.
2380 if (TheMessage->cm_format_type == FMT_CITADEL) {
2381 mptr = TheMessage->cm_fields['M'];
2383 if (mode == MT_MIME) {
2384 cprintf("Content-type: text/x-citadel-variformat\n\n");
2389 /* If the message on disk is format 4 (MIME), we've gotta hand it
2390 * off to the MIME parser. The client has already been told that
2391 * this message is format 1 (fixed format), so the callback function
2392 * we use will display those parts as-is.
2394 if (TheMessage->cm_format_type == FMT_RFC822) {
2395 memset(&ma, 0, sizeof(struct ma_info));
2397 if (mode == MT_MIME) {
2398 ma.use_fo_hooks = 0;
2399 strcpy(ma.chosen_part, "1");
2400 ma.chosen_pref = 9999;
2401 ma.dont_decode = CC->msg4_dont_decode;
2402 mime_parser(mptr, NULL,
2403 *choose_preferred, *fixed_output_pre,
2404 *fixed_output_post, (void *)&ma, 1);
2405 mime_parser(mptr, NULL,
2406 *output_preferred, NULL, NULL, (void *)&ma, 1);
2409 ma.use_fo_hooks = 1;
2410 mime_parser(mptr, NULL,
2411 *fixed_output, *fixed_output_pre,
2412 *fixed_output_post, (void *)&ma, 0);
2417 DONE: /* now we're done */
2418 if (do_proto) cprintf("000\n");
2424 * display a message (mode 0 - Citadel proprietary)
2426 void cmd_msg0(char *cmdbuf)
2429 int headers_only = HEADERS_ALL;
2431 msgid = extract_long(cmdbuf, 0);
2432 headers_only = extract_int(cmdbuf, 1);
2434 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2440 * display a message (mode 2 - RFC822)
2442 void cmd_msg2(char *cmdbuf)
2445 int headers_only = HEADERS_ALL;
2447 msgid = extract_long(cmdbuf, 0);
2448 headers_only = extract_int(cmdbuf, 1);
2450 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2456 * display a message (mode 3 - IGnet raw format - internal programs only)
2458 void cmd_msg3(char *cmdbuf)
2461 struct CtdlMessage *msg = NULL;
2464 if (CC->internal_pgm == 0) {
2465 cprintf("%d This command is for internal programs only.\n",
2466 ERROR + HIGHER_ACCESS_REQUIRED);
2470 msgnum = extract_long(cmdbuf, 0);
2471 msg = CtdlFetchMessage(msgnum, 1);
2473 cprintf("%d Message %ld not found.\n",
2474 ERROR + MESSAGE_NOT_FOUND, msgnum);
2478 serialize_message(&smr, msg);
2479 CtdlFreeMessage(msg);
2482 cprintf("%d Unable to serialize message\n",
2483 ERROR + INTERNAL_ERROR);
2487 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2488 client_write((char *)smr.ser, (int)smr.len);
2495 * Display a message using MIME content types
2497 void cmd_msg4(char *cmdbuf)
2502 msgid = extract_long(cmdbuf, 0);
2503 extract_token(section, cmdbuf, 1, '|', sizeof section);
2504 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2510 * Client tells us its preferred message format(s)
2512 void cmd_msgp(char *cmdbuf)
2514 if (!strcasecmp(cmdbuf, "dont_decode")) {
2515 CC->msg4_dont_decode = 1;
2516 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2519 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2520 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2526 * Open a component of a MIME message as a download file
2528 void cmd_opna(char *cmdbuf)
2531 char desired_section[128];
2533 msgid = extract_long(cmdbuf, 0);
2534 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2535 safestrncpy(CC->download_desired_section, desired_section,
2536 sizeof CC->download_desired_section);
2537 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2542 * Open a component of a MIME message and transmit it all at once
2544 void cmd_dlat(char *cmdbuf)
2547 char desired_section[128];
2549 msgid = extract_long(cmdbuf, 0);
2550 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2551 safestrncpy(CC->download_desired_section, desired_section,
2552 sizeof CC->download_desired_section);
2553 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2558 * Save one or more message pointers into a specified room
2559 * (Returns 0 for success, nonzero for failure)
2560 * roomname may be NULL to use the current room
2562 * Note that the 'supplied_msg' field may be set to NULL, in which case
2563 * the message will be fetched from disk, by number, if we need to perform
2564 * replication checks. This adds an additional database read, so if the
2565 * caller already has the message in memory then it should be supplied. (Obviously
2566 * this mode of operation only works if we're saving a single message.)
2568 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2569 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2572 char hold_rm[ROOMNAMELEN];
2573 struct cdbdata *cdbfr;
2576 long highest_msg = 0L;
2579 struct CtdlMessage *msg = NULL;
2581 long *msgs_to_be_merged = NULL;
2582 int num_msgs_to_be_merged = 0;
2585 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2586 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2589 strcpy(hold_rm, CC->room.QRname);
2592 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2593 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2594 if (num_newmsgs > 1) supplied_msg = NULL;
2596 /* Now the regular stuff */
2597 if (CtdlGetRoomLock(&CC->room,
2598 ((roomname != NULL) ? roomname : CC->room.QRname) )
2600 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2601 return(ERROR + ROOM_NOT_FOUND);
2605 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2606 num_msgs_to_be_merged = 0;
2609 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2610 if (cdbfr == NULL) {
2614 msglist = (long *) cdbfr->ptr;
2615 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2616 num_msgs = cdbfr->len / sizeof(long);
2621 /* Create a list of msgid's which were supplied by the caller, but do
2622 * not already exist in the target room. It is absolutely taboo to
2623 * have more than one reference to the same message in a room.
2625 for (i=0; i<num_newmsgs; ++i) {
2627 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2628 if (msglist[j] == newmsgidlist[i]) {
2633 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2637 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2640 * Now merge the new messages
2642 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2643 if (msglist == NULL) {
2644 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2646 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2647 num_msgs += num_msgs_to_be_merged;
2649 /* Sort the message list, so all the msgid's are in order */
2650 num_msgs = sort_msglist(msglist, num_msgs);
2652 /* Determine the highest message number */
2653 highest_msg = msglist[num_msgs - 1];
2655 /* Write it back to disk. */
2656 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2657 msglist, (int)(num_msgs * sizeof(long)));
2659 /* Free up the memory we used. */
2662 /* Update the highest-message pointer and unlock the room. */
2663 CC->room.QRhighest = highest_msg;
2664 CtdlPutRoomLock(&CC->room);
2666 /* Perform replication checks if necessary */
2667 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2668 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2670 for (i=0; i<num_msgs_to_be_merged; ++i) {
2671 msgid = msgs_to_be_merged[i];
2673 if (supplied_msg != NULL) {
2677 msg = CtdlFetchMessage(msgid, 0);
2681 ReplicationChecks(msg);
2683 /* If the message has an Exclusive ID, index that... */
2684 if (msg->cm_fields['E'] != NULL) {
2685 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2688 /* Free up the memory we may have allocated */
2689 if (msg != supplied_msg) {
2690 CtdlFreeMessage(msg);
2698 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2701 /* Submit this room for processing by hooks */
2702 PerformRoomHooks(&CC->room);
2704 /* Go back to the room we were in before we wandered here... */
2705 CtdlGetRoom(&CC->room, hold_rm);
2707 /* Bump the reference count for all messages which were merged */
2708 if (!suppress_refcount_adj) {
2709 for (i=0; i<num_msgs_to_be_merged; ++i) {
2710 AdjRefCount(msgs_to_be_merged[i], +1);
2714 /* Free up memory... */
2715 if (msgs_to_be_merged != NULL) {
2716 free(msgs_to_be_merged);
2719 /* Return success. */
2725 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2728 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2729 int do_repl_check, struct CtdlMessage *supplied_msg)
2731 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2738 * Message base operation to save a new message to the message store
2739 * (returns new message number)
2741 * This is the back end for CtdlSubmitMsg() and should not be directly
2742 * called by server-side modules.
2745 long send_message(struct CtdlMessage *msg) {
2753 /* Get a new message number */
2754 newmsgid = get_new_message_number();
2755 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2757 /* Generate an ID if we don't have one already */
2758 if (msg->cm_fields['I']==NULL) {
2759 msg->cm_fields['I'] = strdup(msgidbuf);
2762 /* If the message is big, set its body aside for storage elsewhere */
2763 if (msg->cm_fields['M'] != NULL) {
2764 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2766 holdM = msg->cm_fields['M'];
2767 msg->cm_fields['M'] = NULL;
2771 /* Serialize our data structure for storage in the database */
2772 serialize_message(&smr, msg);
2775 msg->cm_fields['M'] = holdM;
2779 cprintf("%d Unable to serialize message\n",
2780 ERROR + INTERNAL_ERROR);
2784 /* Write our little bundle of joy into the message base */
2785 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2786 smr.ser, smr.len) < 0) {
2787 syslog(LOG_ERR, "Can't store message\n");
2791 cdb_store(CDB_BIGMSGS,
2801 /* Free the memory we used for the serialized message */
2804 /* Return the *local* message ID to the caller
2805 * (even if we're storing an incoming network message)
2813 * Serialize a struct CtdlMessage into the format used on disk and network.
2815 * This function loads up a "struct ser_ret" (defined in server.h) which
2816 * contains the length of the serialized message and a pointer to the
2817 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2819 void serialize_message(struct ser_ret *ret, /* return values */
2820 struct CtdlMessage *msg) /* unserialized msg */
2822 size_t wlen, fieldlen;
2824 static char *forder = FORDER;
2827 * Check for valid message format
2829 if (is_valid_message(msg) == 0) {
2830 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2837 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2838 ret->len = ret->len +
2839 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2841 ret->ser = malloc(ret->len);
2842 if (ret->ser == NULL) {
2843 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2844 (long)ret->len, strerror(errno));
2851 ret->ser[1] = msg->cm_anon_type;
2852 ret->ser[2] = msg->cm_format_type;
2855 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2856 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2857 ret->ser[wlen++] = (char)forder[i];
2858 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2859 wlen = wlen + fieldlen + 1;
2861 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2862 (long)ret->len, (long)wlen);
2869 * Serialize a struct CtdlMessage into the format used on disk and network.
2871 * This function loads up a "struct ser_ret" (defined in server.h) which
2872 * contains the length of the serialized message and a pointer to the
2873 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2875 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2876 long Siz) /* how many chars ? */
2880 static char *forder = FORDER;
2884 * Check for valid message format
2886 if (is_valid_message(msg) == 0) {
2887 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2891 buf = (char*) malloc (Siz + 1);
2895 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2896 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2897 msg->cm_fields[(int)forder[i]]);
2898 client_write (buf, strlen(buf));
2907 * Check to see if any messages already exist in the current room which
2908 * carry the same Exclusive ID as this one. If any are found, delete them.
2910 void ReplicationChecks(struct CtdlMessage *msg) {
2911 long old_msgnum = (-1L);
2913 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2915 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2918 /* No exclusive id? Don't do anything. */
2919 if (msg == NULL) return;
2920 if (msg->cm_fields['E'] == NULL) return;
2921 if (IsEmptyStr(msg->cm_fields['E'])) return;
2922 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2923 msg->cm_fields['E'], CC->room.QRname);*/
2925 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2926 if (old_msgnum > 0L) {
2927 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2928 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2935 * Save a message to disk and submit it into the delivery system.
2937 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2938 struct recptypes *recps, /* recipients (if mail) */
2939 char *force, /* force a particular room? */
2940 int flags /* should the message be exported clean? */
2942 char submit_filename[128];
2943 char generated_timestamp[32];
2944 char hold_rm[ROOMNAMELEN];
2945 char actual_rm[ROOMNAMELEN];
2946 char force_room[ROOMNAMELEN];
2947 char content_type[SIZ]; /* We have to learn this */
2948 char recipient[SIZ];
2950 const char *mptr = NULL;
2951 struct ctdluser userbuf;
2953 struct MetaData smi;
2954 FILE *network_fp = NULL;
2955 static int seqnum = 1;
2956 struct CtdlMessage *imsg = NULL;
2958 size_t instr_alloc = 0;
2960 char *hold_R, *hold_D;
2961 char *collected_addresses = NULL;
2962 struct addresses_to_be_filed *aptr = NULL;
2963 StrBuf *saved_rfc822_version = NULL;
2964 int qualified_for_journaling = 0;
2965 CitContext *CCC = MyContext();
2966 char bounce_to[1024] = "";
2970 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
2971 if (is_valid_message(msg) == 0) return(-1); /* self check */
2973 /* If this message has no timestamp, we take the liberty of
2974 * giving it one, right now.
2976 if (msg->cm_fields['T'] == NULL) {
2977 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2978 msg->cm_fields['T'] = strdup(generated_timestamp);
2981 /* If this message has no path, we generate one.
2983 if (msg->cm_fields['P'] == NULL) {
2984 if (msg->cm_fields['A'] != NULL) {
2985 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2986 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2987 if (isspace(msg->cm_fields['P'][a])) {
2988 msg->cm_fields['P'][a] = ' ';
2993 msg->cm_fields['P'] = strdup("unknown");
2997 if (force == NULL) {
2998 strcpy(force_room, "");
3001 strcpy(force_room, force);
3004 /* Learn about what's inside, because it's what's inside that counts */
3005 if (msg->cm_fields['M'] == NULL) {
3006 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3010 switch (msg->cm_format_type) {
3012 strcpy(content_type, "text/x-citadel-variformat");
3015 strcpy(content_type, "text/plain");
3018 strcpy(content_type, "text/plain");
3019 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3022 safestrncpy(content_type, &mptr[13], sizeof content_type);
3023 striplt(content_type);
3024 aptr = content_type;
3025 while (!IsEmptyStr(aptr)) {
3037 /* Goto the correct room */
3038 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3039 strcpy(hold_rm, CCC->room.QRname);
3040 strcpy(actual_rm, CCC->room.QRname);
3041 if (recps != NULL) {
3042 strcpy(actual_rm, SENTITEMS);
3045 /* If the user is a twit, move to the twit room for posting */
3047 if (CCC->user.axlevel == AxProbU) {
3048 strcpy(hold_rm, actual_rm);
3049 strcpy(actual_rm, config.c_twitroom);
3050 syslog(LOG_DEBUG, "Diverting to twit room\n");
3054 /* ...or if this message is destined for Aide> then go there. */
3055 if (!IsEmptyStr(force_room)) {
3056 strcpy(actual_rm, force_room);
3059 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3060 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3061 /* CtdlGetRoom(&CCC->room, actual_rm); */
3062 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3066 * If this message has no O (room) field, generate one.
3068 if (msg->cm_fields['O'] == NULL) {
3069 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3072 /* Perform "before save" hooks (aborting if any return nonzero) */
3073 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3074 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3077 * If this message has an Exclusive ID, and the room is replication
3078 * checking enabled, then do replication checks.
3080 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3081 ReplicationChecks(msg);
3084 /* Save it to disk */
3085 syslog(LOG_DEBUG, "Saving to disk\n");
3086 newmsgid = send_message(msg);
3087 if (newmsgid <= 0L) return(-5);
3089 /* Write a supplemental message info record. This doesn't have to
3090 * be a critical section because nobody else knows about this message
3093 syslog(LOG_DEBUG, "Creating MetaData record\n");
3094 memset(&smi, 0, sizeof(struct MetaData));
3095 smi.meta_msgnum = newmsgid;
3096 smi.meta_refcount = 0;
3097 safestrncpy(smi.meta_content_type, content_type,
3098 sizeof smi.meta_content_type);
3101 * Measure how big this message will be when rendered as RFC822.
3102 * We do this for two reasons:
3103 * 1. We need the RFC822 length for the new metadata record, so the
3104 * POP and IMAP services don't have to calculate message lengths
3105 * while the user is waiting (multiplied by potentially hundreds
3106 * or thousands of messages).
3107 * 2. If journaling is enabled, we will need an RFC822 version of the
3108 * message to attach to the journalized copy.
3110 if (CCC->redirect_buffer != NULL) {
3111 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3114 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3115 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3116 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3117 saved_rfc822_version = CCC->redirect_buffer;
3118 CCC->redirect_buffer = NULL;
3122 /* Now figure out where to store the pointers */
3123 syslog(LOG_DEBUG, "Storing pointers\n");
3125 /* If this is being done by the networker delivering a private
3126 * message, we want to BYPASS saving the sender's copy (because there
3127 * is no local sender; it would otherwise go to the Trashcan).
3129 if ((!CCC->internal_pgm) || (recps == NULL)) {
3130 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3131 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3132 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3136 /* For internet mail, drop a copy in the outbound queue room */
3137 if ((recps != NULL) && (recps->num_internet > 0)) {
3138 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3141 /* If other rooms are specified, drop them there too. */
3142 if ((recps != NULL) && (recps->num_room > 0))
3143 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3144 extract_token(recipient, recps->recp_room, i,
3145 '|', sizeof recipient);
3146 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3147 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3150 /* Bump this user's messages posted counter. */
3151 syslog(LOG_DEBUG, "Updating user\n");
3152 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3153 CCC->user.posted = CCC->user.posted + 1;
3154 CtdlPutUserLock(&CCC->user);
3156 /* Decide where bounces need to be delivered */
3157 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3158 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3160 else if (CCC->logged_in) {
3161 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3164 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3167 /* If this is private, local mail, make a copy in the
3168 * recipient's mailbox and bump the reference count.
3170 if ((recps != NULL) && (recps->num_local > 0))
3171 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3172 extract_token(recipient, recps->recp_local, i,
3173 '|', sizeof recipient);
3174 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3176 if (CtdlGetUser(&userbuf, recipient) == 0) {
3177 // Add a flag so the Funambol module knows its mail
3178 msg->cm_fields['W'] = strdup(recipient);
3179 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3180 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3181 CtdlBumpNewMailCounter(userbuf.usernum);
3182 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3183 /* Generate a instruction message for the Funambol notification
3184 * server, in the same style as the SMTP queue
3187 instr = malloc(instr_alloc);
3188 snprintf(instr, instr_alloc,
3189 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3191 SPOOLMIME, newmsgid, (long)time(NULL),
3195 imsg = malloc(sizeof(struct CtdlMessage));
3196 memset(imsg, 0, sizeof(struct CtdlMessage));
3197 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3198 imsg->cm_anon_type = MES_NORMAL;
3199 imsg->cm_format_type = FMT_RFC822;
3200 imsg->cm_fields['A'] = strdup("Citadel");
3201 imsg->cm_fields['J'] = strdup("do not journal");
3202 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3203 imsg->cm_fields['W'] = strdup(recipient);
3204 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3205 CtdlFreeMessage(imsg);
3209 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3210 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3215 /* Perform "after save" hooks */
3216 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3217 PerformMessageHooks(msg, EVT_AFTERSAVE);
3219 /* For IGnet mail, we have to save a new copy into the spooler for
3220 * each recipient, with the R and D fields set to the recipient and
3221 * destination-node. This has two ugly side effects: all other
3222 * recipients end up being unlisted in this recipient's copy of the
3223 * message, and it has to deliver multiple messages to the same
3224 * node. We'll revisit this again in a year or so when everyone has
3225 * a network spool receiver that can handle the new style messages.
3227 if ((recps != NULL) && (recps->num_ignet > 0))
3228 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3229 extract_token(recipient, recps->recp_ignet, i,
3230 '|', sizeof recipient);
3232 hold_R = msg->cm_fields['R'];
3233 hold_D = msg->cm_fields['D'];
3234 msg->cm_fields['R'] = malloc(SIZ);
3235 msg->cm_fields['D'] = malloc(128);
3236 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3237 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3239 serialize_message(&smr, msg);
3241 snprintf(submit_filename, sizeof submit_filename,
3242 "%s/netmail.%04lx.%04x.%04x",
3244 (long) getpid(), CCC->cs_pid, ++seqnum);
3245 network_fp = fopen(submit_filename, "wb+");
3246 if (network_fp != NULL) {
3247 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3253 free(msg->cm_fields['R']);
3254 free(msg->cm_fields['D']);
3255 msg->cm_fields['R'] = hold_R;
3256 msg->cm_fields['D'] = hold_D;
3259 /* Go back to the room we started from */
3260 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3261 if (strcasecmp(hold_rm, CCC->room.QRname))
3262 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3264 /* For internet mail, generate delivery instructions.
3265 * Yes, this is recursive. Deal with it. Infinite recursion does
3266 * not happen because the delivery instructions message does not
3267 * contain a recipient.
3269 if ((recps != NULL) && (recps->num_internet > 0)) {
3270 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3272 instr = malloc(instr_alloc);
3273 snprintf(instr, instr_alloc,
3274 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3276 SPOOLMIME, newmsgid, (long)time(NULL),
3280 if (recps->envelope_from != NULL) {
3281 tmp = strlen(instr);
3282 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3285 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3286 tmp = strlen(instr);
3287 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3288 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3289 instr_alloc = instr_alloc * 2;
3290 instr = realloc(instr, instr_alloc);
3292 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3295 imsg = malloc(sizeof(struct CtdlMessage));
3296 memset(imsg, 0, sizeof(struct CtdlMessage));
3297 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3298 imsg->cm_anon_type = MES_NORMAL;
3299 imsg->cm_format_type = FMT_RFC822;
3300 imsg->cm_fields['A'] = strdup("Citadel");
3301 imsg->cm_fields['J'] = strdup("do not journal");
3302 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3303 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3304 CtdlFreeMessage(imsg);
3308 * Any addresses to harvest for someone's address book?
3310 if ( (CCC->logged_in) && (recps != NULL) ) {
3311 collected_addresses = harvest_collected_addresses(msg);
3314 if (collected_addresses != NULL) {
3315 aptr = (struct addresses_to_be_filed *)
3316 malloc(sizeof(struct addresses_to_be_filed));
3317 CtdlMailboxName(actual_rm, sizeof actual_rm,
3318 &CCC->user, USERCONTACTSROOM);
3319 aptr->roomname = strdup(actual_rm);
3320 aptr->collected_addresses = collected_addresses;
3321 begin_critical_section(S_ATBF);
3324 end_critical_section(S_ATBF);
3328 * Determine whether this message qualifies for journaling.
3330 if (msg->cm_fields['J'] != NULL) {
3331 qualified_for_journaling = 0;
3334 if (recps == NULL) {
3335 qualified_for_journaling = config.c_journal_pubmsgs;
3337 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3338 qualified_for_journaling = config.c_journal_email;
3341 qualified_for_journaling = config.c_journal_pubmsgs;
3346 * Do we have to perform journaling? If so, hand off the saved
3347 * RFC822 version will be handed off to the journaler for background
3348 * submit. Otherwise, we have to free the memory ourselves.
3350 if (saved_rfc822_version != NULL) {
3351 if (qualified_for_journaling) {
3352 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3355 FreeStrBuf(&saved_rfc822_version);
3365 void aide_message (char *text, char *subject)
3367 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3372 * Convenience function for generating small administrative messages.
3374 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3375 int format_type, const char *subject)
3377 struct CtdlMessage *msg;
3378 struct recptypes *recp = NULL;
3380 msg = malloc(sizeof(struct CtdlMessage));
3381 memset(msg, 0, sizeof(struct CtdlMessage));
3382 msg->cm_magic = CTDLMESSAGE_MAGIC;
3383 msg->cm_anon_type = MES_NORMAL;
3384 msg->cm_format_type = format_type;
3387 msg->cm_fields['A'] = strdup(from);
3389 else if (fromaddr != NULL) {
3390 msg->cm_fields['A'] = strdup(fromaddr);
3391 if (strchr(msg->cm_fields['A'], '@')) {
3392 *strchr(msg->cm_fields['A'], '@') = 0;
3396 msg->cm_fields['A'] = strdup("Citadel");
3399 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3400 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3401 msg->cm_fields['N'] = strdup(NODENAME);
3403 msg->cm_fields['R'] = strdup(to);
3404 recp = validate_recipients(to, NULL, 0);
3406 if (subject != NULL) {
3407 msg->cm_fields['U'] = strdup(subject);
3409 msg->cm_fields['M'] = strdup(text);
3411 CtdlSubmitMsg(msg, recp, room, 0);
3412 CtdlFreeMessage(msg);
3413 if (recp != NULL) free_recipients(recp);
3419 * Back end function used by CtdlMakeMessage() and similar functions
3421 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3423 size_t maxlen, /* maximum message length */
3424 char *exist, /* if non-null, append to it;
3425 exist is ALWAYS freed */
3426 int crlf, /* CRLF newlines instead of LF */
3427 int *sock /* socket handle or 0 for this session's client socket */
3436 LineBuf = NewStrBufPlain(NULL, SIZ);
3437 if (exist == NULL) {
3438 Message = NewStrBufPlain(NULL, 4 * SIZ);
3441 Message = NewStrBufPlain(exist, -1);
3445 /* Do we need to change leading ".." to "." for SMTP escaping? */
3446 if ((tlen == 1) && (*terminator == '.')) {
3450 /* read in the lines of message text one by one */
3453 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3458 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3460 if ((StrLength(LineBuf) == tlen) &&
3461 (!strcmp(ChrPtr(LineBuf), terminator)))
3464 if ( (!flushing) && (!finished) ) {
3466 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3469 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3472 /* Unescape SMTP-style input of two dots at the beginning of the line */
3474 (StrLength(LineBuf) == 2) &&
3475 (!strcmp(ChrPtr(LineBuf), "..")))
3477 StrBufCutLeft(LineBuf, 1);
3480 StrBufAppendBuf(Message, LineBuf, 0);
3483 /* if we've hit the max msg length, flush the rest */
3484 if (StrLength(Message) >= maxlen) flushing = 1;
3486 } while (!finished);
3487 FreeStrBuf(&LineBuf);
3493 * Back end function used by CtdlMakeMessage() and similar functions
3495 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3497 size_t maxlen, /* maximum message length */
3498 char *exist, /* if non-null, append to it;
3499 exist is ALWAYS freed */
3500 int crlf, /* CRLF newlines instead of LF */
3501 int *sock /* socket handle or 0 for this session's client socket */
3506 Message = CtdlReadMessageBodyBuf(terminator,
3512 if (Message == NULL)
3515 return SmashStrBuf(&Message);
3520 * Build a binary message to be saved on disk.
3521 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3522 * will become part of the message. This means you are no longer
3523 * responsible for managing that memory -- it will be freed along with
3524 * the rest of the fields when CtdlFreeMessage() is called.)
3527 struct CtdlMessage *CtdlMakeMessage(
3528 struct ctdluser *author, /* author's user structure */
3529 char *recipient, /* NULL if it's not mail */
3530 char *recp_cc, /* NULL if it's not mail */
3531 char *room, /* room where it's going */
3532 int type, /* see MES_ types in header file */
3533 int format_type, /* variformat, plain text, MIME... */
3534 char *fake_name, /* who we're masquerading as */
3535 char *my_email, /* which of my email addresses to use (empty is ok) */
3536 char *subject, /* Subject (optional) */
3537 char *supplied_euid, /* ...or NULL if this is irrelevant */
3538 char *preformatted_text, /* ...or NULL to read text from client */
3539 char *references /* Thread references */
3541 char dest_node[256];
3543 struct CtdlMessage *msg;
3545 StrBuf *FakeEncAuthor = NULL;
3547 msg = malloc(sizeof(struct CtdlMessage));
3548 memset(msg, 0, sizeof(struct CtdlMessage));
3549 msg->cm_magic = CTDLMESSAGE_MAGIC;
3550 msg->cm_anon_type = type;
3551 msg->cm_format_type = format_type;
3553 /* Don't confuse the poor folks if it's not routed mail. */
3554 strcpy(dest_node, "");
3556 if (recipient != NULL) striplt(recipient);
3557 if (recp_cc != NULL) striplt(recp_cc);
3559 /* Path or Return-Path */
3560 if (my_email == NULL) my_email = "";
3562 if (!IsEmptyStr(my_email)) {
3563 msg->cm_fields['P'] = strdup(my_email);
3566 snprintf(buf, sizeof buf, "%s", author->fullname);
3567 msg->cm_fields['P'] = strdup(buf);
3569 convert_spaces_to_underscores(msg->cm_fields['P']);
3571 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3572 msg->cm_fields['T'] = strdup(buf);
3574 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3575 FakeAuthor = NewStrBufPlain (fake_name, -1);
3578 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3580 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3581 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3582 FreeStrBuf(&FakeAuthor);
3584 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3585 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3588 msg->cm_fields['O'] = strdup(CC->room.QRname);
3591 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3592 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3594 if ((recipient != NULL) && (recipient[0] != 0)) {
3595 msg->cm_fields['R'] = strdup(recipient);
3597 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3598 msg->cm_fields['Y'] = strdup(recp_cc);
3600 if (dest_node[0] != 0) {
3601 msg->cm_fields['D'] = strdup(dest_node);
3604 if (!IsEmptyStr(my_email)) {
3605 msg->cm_fields['F'] = strdup(my_email);
3607 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3608 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3611 if (subject != NULL) {
3614 length = strlen(subject);
3620 while ((subject[i] != '\0') &&
3621 (IsAscii = isascii(subject[i]) != 0 ))
3624 msg->cm_fields['U'] = strdup(subject);
3625 else /* ok, we've got utf8 in the string. */
3627 msg->cm_fields['U'] = rfc2047encode(subject, length);
3633 if (supplied_euid != NULL) {
3634 msg->cm_fields['E'] = strdup(supplied_euid);
3637 if (references != NULL) {
3638 if (!IsEmptyStr(references)) {
3639 msg->cm_fields['W'] = strdup(references);
3643 if (preformatted_text != NULL) {
3644 msg->cm_fields['M'] = preformatted_text;
3647 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3655 * Check to see whether we have permission to post a message in the current
3656 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3657 * returns 0 on success.
3659 int CtdlDoIHavePermissionToPostInThisRoom(
3662 const char* RemoteIdentifier,
3668 if (!(CC->logged_in) &&
3669 (PostPublic == POST_LOGGED_IN)) {
3670 snprintf(errmsgbuf, n, "Not logged in.");
3671 return (ERROR + NOT_LOGGED_IN);
3673 else if (PostPublic == CHECK_EXISTANCE) {
3674 return (0); // We're Evaling whether a recipient exists
3676 else if (!(CC->logged_in)) {
3678 if ((CC->room.QRflags & QR_READONLY)) {
3679 snprintf(errmsgbuf, n, "Not logged in.");
3680 return (ERROR + NOT_LOGGED_IN);
3682 if (CC->room.QRflags2 & QR2_MODERATED) {
3683 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3684 return (ERROR + NOT_LOGGED_IN);
3686 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3691 if (RemoteIdentifier == NULL)
3693 snprintf(errmsgbuf, n, "Need sender to permit access.");
3694 return (ERROR + USERNAME_REQUIRED);
3697 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3698 begin_critical_section(S_NETCONFIGS);
3699 if (!read_spoolcontrol_file(&sc, filename))
3701 end_critical_section(S_NETCONFIGS);
3702 snprintf(errmsgbuf, n,
3703 "This mailing list only accepts posts from subscribers.");
3704 return (ERROR + NO_SUCH_USER);
3706 end_critical_section(S_NETCONFIGS);
3707 found = is_recipient (sc, RemoteIdentifier);
3708 free_spoolcontrol_struct(&sc);
3713 snprintf(errmsgbuf, n,
3714 "This mailing list only accepts posts from subscribers.");
3715 return (ERROR + NO_SUCH_USER);
3722 if ((CC->user.axlevel < AxProbU)
3723 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3724 snprintf(errmsgbuf, n, "Need to be validated to enter "
3725 "(except in %s> to sysop)", MAILROOM);
3726 return (ERROR + HIGHER_ACCESS_REQUIRED);
3729 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3731 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3733 * To be thorough, we ought to check to see if the message they are
3734 * replying to is actually a valid one in this room, but unless this
3735 * actually becomes a problem we'll go with high performance instead.
3737 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3738 return (ERROR + HIGHER_ACCESS_REQUIRED);
3741 else if (!(ra & UA_POSTALLOWED)) {
3742 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3743 return (ERROR + HIGHER_ACCESS_REQUIRED);
3746 strcpy(errmsgbuf, "Ok");
3752 * Check to see if the specified user has Internet mail permission
3753 * (returns nonzero if permission is granted)
3755 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3757 /* Do not allow twits to send Internet mail */
3758 if (who->axlevel <= AxProbU) return(0);
3760 /* Globally enabled? */
3761 if (config.c_restrict == 0) return(1);
3763 /* User flagged ok? */
3764 if (who->flags & US_INTERNET) return(2);
3766 /* Aide level access? */
3767 if (who->axlevel >= AxAideU) return(3);
3769 /* No mail for you! */
3775 * Validate recipients, count delivery types and errors, and handle aliasing
3776 * FIXME check for dupes!!!!!
3778 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3779 * were specified, or the number of addresses found invalid.
3781 * Caller needs to free the result using free_recipients()
3783 struct recptypes *validate_recipients(const char *supplied_recipients,
3784 const char *RemoteIdentifier,
3786 struct recptypes *ret;
3787 char *recipients = NULL;
3788 char this_recp[256];
3789 char this_recp_cooked[256];
3795 struct ctdluser tempUS;
3796 struct ctdlroom tempQR;
3797 struct ctdlroom tempQR2;
3803 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3804 if (ret == NULL) return(NULL);
3806 /* Set all strings to null and numeric values to zero */
3807 memset(ret, 0, sizeof(struct recptypes));
3809 if (supplied_recipients == NULL) {
3810 recipients = strdup("");
3813 recipients = strdup(supplied_recipients);
3816 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3817 * actually need, but it's healthier for the heap than doing lots of tiny
3818 * realloc() calls instead.
3821 ret->errormsg = malloc(strlen(recipients) + 1024);
3822 ret->recp_local = malloc(strlen(recipients) + 1024);
3823 ret->recp_internet = malloc(strlen(recipients) + 1024);
3824 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3825 ret->recp_room = malloc(strlen(recipients) + 1024);
3826 ret->display_recp = malloc(strlen(recipients) + 1024);
3828 ret->errormsg[0] = 0;
3829 ret->recp_local[0] = 0;
3830 ret->recp_internet[0] = 0;
3831 ret->recp_ignet[0] = 0;
3832 ret->recp_room[0] = 0;
3833 ret->display_recp[0] = 0;
3835 ret->recptypes_magic = RECPTYPES_MAGIC;
3837 /* Change all valid separator characters to commas */
3838 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3839 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3840 recipients[i] = ',';
3844 /* Now start extracting recipients... */
3846 while (!IsEmptyStr(recipients)) {
3848 for (i=0; i<=strlen(recipients); ++i) {
3849 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3850 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3851 safestrncpy(this_recp, recipients, i+1);
3853 if (recipients[i] == ',') {
3854 strcpy(recipients, &recipients[i+1]);
3857 strcpy(recipients, "");
3864 if (IsEmptyStr(this_recp))
3866 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3868 mailtype = alias(this_recp);
3869 mailtype = alias(this_recp);
3870 mailtype = alias(this_recp);
3872 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3873 if (this_recp[j]=='_') {
3874 this_recp_cooked[j] = ' ';
3877 this_recp_cooked[j] = this_recp[j];
3880 this_recp_cooked[j] = '\0';
3885 if (!strcasecmp(this_recp, "sysop")) {
3887 strcpy(this_recp, config.c_aideroom);
3888 if (!IsEmptyStr(ret->recp_room)) {
3889 strcat(ret->recp_room, "|");
3891 strcat(ret->recp_room, this_recp);
3893 else if ( (!strncasecmp(this_recp, "room_", 5))
3894 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3896 /* Save room so we can restore it later */
3900 /* Check permissions to send mail to this room */
3901 err = CtdlDoIHavePermissionToPostInThisRoom(
3906 0 /* 0 = not a reply */
3915 if (!IsEmptyStr(ret->recp_room)) {
3916 strcat(ret->recp_room, "|");
3918 strcat(ret->recp_room, &this_recp_cooked[5]);
3921 /* Restore room in case something needs it */
3925 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3927 strcpy(this_recp, tempUS.fullname);
3928 if (!IsEmptyStr(ret->recp_local)) {
3929 strcat(ret->recp_local, "|");
3931 strcat(ret->recp_local, this_recp);
3933 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3935 strcpy(this_recp, tempUS.fullname);
3936 if (!IsEmptyStr(ret->recp_local)) {
3937 strcat(ret->recp_local, "|");
3939 strcat(ret->recp_local, this_recp);
3947 /* Yes, you're reading this correctly: if the target
3948 * domain points back to the local system or an attached
3949 * Citadel directory, the address is invalid. That's
3950 * because if the address were valid, we would have
3951 * already translated it to a local address by now.
3953 if (IsDirectory(this_recp, 0)) {
3958 ++ret->num_internet;
3959 if (!IsEmptyStr(ret->recp_internet)) {
3960 strcat(ret->recp_internet, "|");
3962 strcat(ret->recp_internet, this_recp);
3967 if (!IsEmptyStr(ret->recp_ignet)) {
3968 strcat(ret->recp_ignet, "|");
3970 strcat(ret->recp_ignet, this_recp);
3978 if (IsEmptyStr(errmsg)) {
3979 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3982 snprintf(append, sizeof append, "%s", errmsg);
3984 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3985 if (!IsEmptyStr(ret->errormsg)) {
3986 strcat(ret->errormsg, "; ");
3988 strcat(ret->errormsg, append);
3992 if (IsEmptyStr(ret->display_recp)) {
3993 strcpy(append, this_recp);
3996 snprintf(append, sizeof append, ", %s", this_recp);
3998 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
3999 strcat(ret->display_recp, append);
4004 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4005 ret->num_room + ret->num_error) == 0) {
4006 ret->num_error = (-1);
4007 strcpy(ret->errormsg, "No recipients specified.");
4010 syslog(LOG_DEBUG, "validate_recipients()\n");
4011 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4012 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4013 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4014 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4015 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4023 * Destructor for struct recptypes
4025 void free_recipients(struct recptypes *valid) {
4027 if (valid == NULL) {
4031 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4032 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4036 if (valid->errormsg != NULL) free(valid->errormsg);
4037 if (valid->recp_local != NULL) free(valid->recp_local);
4038 if (valid->recp_internet != NULL) free(valid->recp_internet);
4039 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4040 if (valid->recp_room != NULL) free(valid->recp_room);
4041 if (valid->display_recp != NULL) free(valid->display_recp);
4042 if (valid->bounce_to != NULL) free(valid->bounce_to);
4043 if (valid->envelope_from != NULL) free(valid->envelope_from);
4050 * message entry - mode 0 (normal)
4052 void cmd_ent0(char *entargs)
4058 char supplied_euid[128];
4060 int format_type = 0;
4061 char newusername[256];
4062 char newuseremail[256];
4063 struct CtdlMessage *msg;
4067 struct recptypes *valid = NULL;
4068 struct recptypes *valid_to = NULL;
4069 struct recptypes *valid_cc = NULL;
4070 struct recptypes *valid_bcc = NULL;
4072 int subject_required = 0;
4077 int newuseremail_ok = 0;
4078 char references[SIZ];
4083 post = extract_int(entargs, 0);
4084 extract_token(recp, entargs, 1, '|', sizeof recp);
4085 anon_flag = extract_int(entargs, 2);
4086 format_type = extract_int(entargs, 3);
4087 extract_token(subject, entargs, 4, '|', sizeof subject);
4088 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4089 do_confirm = extract_int(entargs, 6);
4090 extract_token(cc, entargs, 7, '|', sizeof cc);
4091 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4092 switch(CC->room.QRdefaultview) {
4095 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4098 supplied_euid[0] = 0;
4101 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4102 extract_token(references, entargs, 11, '|', sizeof references);
4103 for (ptr=references; *ptr != 0; ++ptr) {
4104 if (*ptr == '!') *ptr = '|';
4107 /* first check to make sure the request is valid. */
4109 err = CtdlDoIHavePermissionToPostInThisRoom(
4114 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4118 cprintf("%d %s\n", err, errmsg);
4122 /* Check some other permission type things. */
4124 if (IsEmptyStr(newusername)) {
4125 strcpy(newusername, CC->user.fullname);
4127 if ( (CC->user.axlevel < AxAideU)
4128 && (strcasecmp(newusername, CC->user.fullname))
4129 && (strcasecmp(newusername, CC->cs_inet_fn))
4131 cprintf("%d You don't have permission to author messages as '%s'.\n",
4132 ERROR + HIGHER_ACCESS_REQUIRED,
4139 if (IsEmptyStr(newuseremail)) {
4140 newuseremail_ok = 1;
4143 if (!IsEmptyStr(newuseremail)) {
4144 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4145 newuseremail_ok = 1;
4147 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4148 j = num_tokens(CC->cs_inet_other_emails, '|');
4149 for (i=0; i<j; ++i) {
4150 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4151 if (!strcasecmp(newuseremail, buf)) {
4152 newuseremail_ok = 1;
4158 if (!newuseremail_ok) {
4159 cprintf("%d You don't have permission to author messages as '%s'.\n",
4160 ERROR + HIGHER_ACCESS_REQUIRED,
4166 CC->cs_flags |= CS_POSTING;
4168 /* In mailbox rooms we have to behave a little differently --
4169 * make sure the user has specified at least one recipient. Then
4170 * validate the recipient(s). We do this for the Mail> room, as
4171 * well as any room which has the "Mailbox" view set - unless it
4172 * is the DRAFTS room which does not require recipients
4175 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4176 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4177 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4178 if (CC->user.axlevel < AxProbU) {
4179 strcpy(recp, "sysop");
4184 valid_to = validate_recipients(recp, NULL, 0);
4185 if (valid_to->num_error > 0) {
4186 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4187 free_recipients(valid_to);
4191 valid_cc = validate_recipients(cc, NULL, 0);
4192 if (valid_cc->num_error > 0) {
4193 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4194 free_recipients(valid_to);
4195 free_recipients(valid_cc);
4199 valid_bcc = validate_recipients(bcc, NULL, 0);
4200 if (valid_bcc->num_error > 0) {
4201 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4202 free_recipients(valid_to);
4203 free_recipients(valid_cc);
4204 free_recipients(valid_bcc);
4208 /* Recipient required, but none were specified */
4209 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4210 free_recipients(valid_to);
4211 free_recipients(valid_cc);
4212 free_recipients(valid_bcc);
4213 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4217 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4218 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4219 cprintf("%d You do not have permission "
4220 "to send Internet mail.\n",
4221 ERROR + HIGHER_ACCESS_REQUIRED);
4222 free_recipients(valid_to);
4223 free_recipients(valid_cc);
4224 free_recipients(valid_bcc);
4229 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)
4230 && (CC->user.axlevel < AxNetU) ) {
4231 cprintf("%d Higher access required for network mail.\n",
4232 ERROR + HIGHER_ACCESS_REQUIRED);
4233 free_recipients(valid_to);
4234 free_recipients(valid_cc);
4235 free_recipients(valid_bcc);
4239 if ((RESTRICT_INTERNET == 1)
4240 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4241 && ((CC->user.flags & US_INTERNET) == 0)
4242 && (!CC->internal_pgm)) {
4243 cprintf("%d You don't have access to Internet mail.\n",
4244 ERROR + HIGHER_ACCESS_REQUIRED);
4245 free_recipients(valid_to);
4246 free_recipients(valid_cc);
4247 free_recipients(valid_bcc);
4253 /* Is this a room which has anonymous-only or anonymous-option? */
4254 anonymous = MES_NORMAL;
4255 if (CC->room.QRflags & QR_ANONONLY) {
4256 anonymous = MES_ANONONLY;
4258 if (CC->room.QRflags & QR_ANONOPT) {
4259 if (anon_flag == 1) { /* only if the user requested it */
4260 anonymous = MES_ANONOPT;
4264 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4268 /* Recommend to the client that the use of a message subject is
4269 * strongly recommended in this room, if either the SUBJECTREQ flag
4270 * is set, or if there is one or more Internet email recipients.
4272 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4273 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4274 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4275 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4277 /* If we're only checking the validity of the request, return
4278 * success without creating the message.
4281 cprintf("%d %s|%d\n", CIT_OK,
4282 ((valid_to != NULL) ? valid_to->display_recp : ""),
4284 free_recipients(valid_to);
4285 free_recipients(valid_cc);
4286 free_recipients(valid_bcc);
4290 /* We don't need these anymore because we'll do it differently below */
4291 free_recipients(valid_to);
4292 free_recipients(valid_cc);
4293 free_recipients(valid_bcc);
4295 /* Read in the message from the client. */
4297 cprintf("%d send message\n", START_CHAT_MODE);
4299 cprintf("%d send message\n", SEND_LISTING);
4302 msg = CtdlMakeMessage(&CC->user, recp, cc,
4303 CC->room.QRname, anonymous, format_type,
4304 newusername, newuseremail, subject,
4305 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4308 /* Put together one big recipients struct containing to/cc/bcc all in
4309 * one. This is for the envelope.
4311 char *all_recps = malloc(SIZ * 3);
4312 strcpy(all_recps, recp);
4313 if (!IsEmptyStr(cc)) {
4314 if (!IsEmptyStr(all_recps)) {
4315 strcat(all_recps, ",");
4317 strcat(all_recps, cc);
4319 if (!IsEmptyStr(bcc)) {
4320 if (!IsEmptyStr(all_recps)) {
4321 strcat(all_recps, ",");
4323 strcat(all_recps, bcc);
4325 if (!IsEmptyStr(all_recps)) {
4326 valid = validate_recipients(all_recps, NULL, 0);
4334 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4337 cprintf("%ld\n", msgnum);
4339 cprintf("Message accepted.\n");
4342 cprintf("Internal error.\n");
4344 if (msg->cm_fields['E'] != NULL) {
4345 cprintf("%s\n", msg->cm_fields['E']);
4352 CtdlFreeMessage(msg);
4354 if (valid != NULL) {
4355 free_recipients(valid);
4363 * API function to delete messages which match a set of criteria
4364 * (returns the actual number of messages deleted)
4366 int CtdlDeleteMessages(char *room_name, /* which room */
4367 long *dmsgnums, /* array of msg numbers to be deleted */
4368 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4369 char *content_type /* or "" for any. regular expressions expected. */
4372 struct ctdlroom qrbuf;
4373 struct cdbdata *cdbfr;
4374 long *msglist = NULL;
4375 long *dellist = NULL;
4378 int num_deleted = 0;
4380 struct MetaData smi;
4383 int need_to_free_re = 0;
4385 if (content_type) if (!IsEmptyStr(content_type)) {
4386 regcomp(&re, content_type, 0);
4387 need_to_free_re = 1;
4389 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4390 room_name, num_dmsgnums, content_type);
4392 /* get room record, obtaining a lock... */
4393 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4394 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4396 if (need_to_free_re) regfree(&re);
4397 return (0); /* room not found */
4399 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4401 if (cdbfr != NULL) {
4402 dellist = malloc(cdbfr->len);
4403 msglist = (long *) cdbfr->ptr;
4404 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4405 num_msgs = cdbfr->len / sizeof(long);
4409 for (i = 0; i < num_msgs; ++i) {
4412 /* Set/clear a bit for each criterion */
4414 /* 0 messages in the list or a null list means that we are
4415 * interested in deleting any messages which meet the other criteria.
4417 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4418 delete_this |= 0x01;
4421 for (j=0; j<num_dmsgnums; ++j) {
4422 if (msglist[i] == dmsgnums[j]) {
4423 delete_this |= 0x01;
4428 if (IsEmptyStr(content_type)) {
4429 delete_this |= 0x02;
4431 GetMetaData(&smi, msglist[i]);
4432 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4433 delete_this |= 0x02;
4437 /* Delete message only if all bits are set */
4438 if (delete_this == 0x03) {
4439 dellist[num_deleted++] = msglist[i];
4444 num_msgs = sort_msglist(msglist, num_msgs);
4445 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4446 msglist, (int)(num_msgs * sizeof(long)));
4449 qrbuf.QRhighest = msglist[num_msgs - 1];
4451 qrbuf.QRhighest = 0;
4453 CtdlPutRoomLock(&qrbuf);
4455 /* Go through the messages we pulled out of the index, and decrement
4456 * their reference counts by 1. If this is the only room the message
4457 * was in, the reference count will reach zero and the message will
4458 * automatically be deleted from the database. We do this in a
4459 * separate pass because there might be plug-in hooks getting called,
4460 * and we don't want that happening during an S_ROOMS critical
4463 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4464 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4465 AdjRefCount(dellist[i], -1);
4468 /* Now free the memory we used, and go away. */
4469 if (msglist != NULL) free(msglist);
4470 if (dellist != NULL) free(dellist);
4471 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4472 if (need_to_free_re) regfree(&re);
4473 return (num_deleted);
4479 * Check whether the current user has permission to delete messages from
4480 * the current room (returns 1 for yes, 0 for no)
4482 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4484 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4485 if (ra & UA_DELETEALLOWED) return(1);
4493 * Delete message from current room
4495 void cmd_dele(char *args)
4504 extract_token(msgset, args, 0, '|', sizeof msgset);
4505 num_msgs = num_tokens(msgset, ',');
4507 cprintf("%d Nothing to do.\n", CIT_OK);
4511 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4512 cprintf("%d Higher access required.\n",
4513 ERROR + HIGHER_ACCESS_REQUIRED);
4518 * Build our message set to be moved/copied
4520 msgs = malloc(num_msgs * sizeof(long));
4521 for (i=0; i<num_msgs; ++i) {
4522 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4523 msgs[i] = atol(msgtok);
4526 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4530 cprintf("%d %d message%s deleted.\n", CIT_OK,
4531 num_deleted, ((num_deleted != 1) ? "s" : ""));
4533 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4541 * move or copy a message to another room
4543 void cmd_move(char *args)
4550 char targ[ROOMNAMELEN];
4551 struct ctdlroom qtemp;
4558 extract_token(msgset, args, 0, '|', sizeof msgset);
4559 num_msgs = num_tokens(msgset, ',');
4561 cprintf("%d Nothing to do.\n", CIT_OK);
4565 extract_token(targ, args, 1, '|', sizeof targ);
4566 convert_room_name_macros(targ, sizeof targ);
4567 targ[ROOMNAMELEN - 1] = 0;
4568 is_copy = extract_int(args, 2);
4570 if (CtdlGetRoom(&qtemp, targ) != 0) {
4571 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4575 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4576 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4580 CtdlGetUser(&CC->user, CC->curr_user);
4581 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4583 /* Check for permission to perform this operation.
4584 * Remember: "CC->room" is source, "qtemp" is target.
4588 /* Aides can move/copy */
4589 if (CC->user.axlevel >= AxAideU) permit = 1;
4591 /* Room aides can move/copy */
4592 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4594 /* Permit move/copy from personal rooms */
4595 if ((CC->room.QRflags & QR_MAILBOX)
4596 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4598 /* Permit only copy from public to personal room */
4600 && (!(CC->room.QRflags & QR_MAILBOX))
4601 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4603 /* Permit message removal from collaborative delete rooms */
4604 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4606 /* Users allowed to post into the target room may move into it too. */
4607 if ((CC->room.QRflags & QR_MAILBOX) &&
4608 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4610 /* User must have access to target room */
4611 if (!(ra & UA_KNOWN)) permit = 0;
4614 cprintf("%d Higher access required.\n",
4615 ERROR + HIGHER_ACCESS_REQUIRED);
4620 * Build our message set to be moved/copied
4622 msgs = malloc(num_msgs * sizeof(long));
4623 for (i=0; i<num_msgs; ++i) {
4624 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4625 msgs[i] = atol(msgtok);
4631 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4633 cprintf("%d Cannot store message(s) in %s: error %d\n",
4639 /* Now delete the message from the source room,
4640 * if this is a 'move' rather than a 'copy' operation.
4643 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4647 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4653 * GetMetaData() - Get the supplementary record for a message
4655 void GetMetaData(struct MetaData *smibuf, long msgnum)
4658 struct cdbdata *cdbsmi;
4661 memset(smibuf, 0, sizeof(struct MetaData));
4662 smibuf->meta_msgnum = msgnum;
4663 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4665 /* Use the negative of the message number for its supp record index */
4666 TheIndex = (0L - msgnum);
4668 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4669 if (cdbsmi == NULL) {
4670 return; /* record not found; go with defaults */
4672 memcpy(smibuf, cdbsmi->ptr,
4673 ((cdbsmi->len > sizeof(struct MetaData)) ?
4674 sizeof(struct MetaData) : cdbsmi->len));
4681 * PutMetaData() - (re)write supplementary record for a message
4683 void PutMetaData(struct MetaData *smibuf)
4687 /* Use the negative of the message number for the metadata db index */
4688 TheIndex = (0L - smibuf->meta_msgnum);
4690 cdb_store(CDB_MSGMAIN,
4691 &TheIndex, (int)sizeof(long),
4692 smibuf, (int)sizeof(struct MetaData));
4697 * AdjRefCount - submit an adjustment to the reference count for a message.
4698 * (These are just queued -- we actually process them later.)
4700 void AdjRefCount(long msgnum, int incr)
4702 struct arcq new_arcq;
4705 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4709 begin_critical_section(S_SUPPMSGMAIN);
4710 if (arcfp == NULL) {
4711 arcfp = fopen(file_arcq, "ab+");
4713 end_critical_section(S_SUPPMSGMAIN);
4715 /* msgnum < 0 means that we're trying to close the file */
4717 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4718 begin_critical_section(S_SUPPMSGMAIN);
4719 if (arcfp != NULL) {
4723 end_critical_section(S_SUPPMSGMAIN);
4728 * If we can't open the queue, perform the operation synchronously.
4730 if (arcfp == NULL) {
4731 TDAP_AdjRefCount(msgnum, incr);
4735 new_arcq.arcq_msgnum = msgnum;
4736 new_arcq.arcq_delta = incr;
4737 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4745 * TDAP_ProcessAdjRefCountQueue()
4747 * Process the queue of message count adjustments that was created by calls
4748 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4749 * for each one. This should be an "off hours" operation.
4751 int TDAP_ProcessAdjRefCountQueue(void)
4753 char file_arcq_temp[PATH_MAX];
4756 struct arcq arcq_rec;
4757 int num_records_processed = 0;
4759 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4761 begin_critical_section(S_SUPPMSGMAIN);
4762 if (arcfp != NULL) {
4767 r = link(file_arcq, file_arcq_temp);
4769 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4770 end_critical_section(S_SUPPMSGMAIN);
4771 return(num_records_processed);
4775 end_critical_section(S_SUPPMSGMAIN);
4777 fp = fopen(file_arcq_temp, "rb");
4779 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4780 return(num_records_processed);
4783 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4784 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4785 ++num_records_processed;
4789 r = unlink(file_arcq_temp);
4791 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4794 return(num_records_processed);
4800 * TDAP_AdjRefCount - adjust the reference count for a message.
4801 * This one does it "for real" because it's called by
4802 * the autopurger function that processes the queue
4803 * created by AdjRefCount(). If a message's reference
4804 * count becomes zero, we also delete the message from
4805 * disk and de-index it.
4807 void TDAP_AdjRefCount(long msgnum, int incr)
4810 struct MetaData smi;
4813 /* This is a *tight* critical section; please keep it that way, as
4814 * it may get called while nested in other critical sections.
4815 * Complicating this any further will surely cause deadlock!
4817 begin_critical_section(S_SUPPMSGMAIN);
4818 GetMetaData(&smi, msgnum);
4819 smi.meta_refcount += incr;
4821 end_critical_section(S_SUPPMSGMAIN);
4822 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4823 msgnum, incr, smi.meta_refcount
4826 /* If the reference count is now zero, delete the message
4827 * (and its supplementary record as well).
4829 if (smi.meta_refcount == 0) {
4830 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4832 /* Call delete hooks with NULL room to show it has gone altogether */
4833 PerformDeleteHooks(NULL, msgnum);
4835 /* Remove from message base */
4837 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4838 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4840 /* Remove metadata record */
4841 delnum = (0L - msgnum);
4842 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4848 * Write a generic object to this room
4850 * Note: this could be much more efficient. Right now we use two temporary
4851 * files, and still pull the message into memory as with all others.
4853 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4854 char *content_type, /* MIME type of this object */
4855 char *raw_message, /* Data to be written */
4856 off_t raw_length, /* Size of raw_message */
4857 struct ctdluser *is_mailbox, /* Mailbox room? */
4858 int is_binary, /* Is encoding necessary? */
4859 int is_unique, /* Del others of this type? */
4860 unsigned int flags /* Internal save flags */
4864 struct ctdlroom qrbuf;
4865 char roomname[ROOMNAMELEN];
4866 struct CtdlMessage *msg;
4867 char *encoded_message = NULL;
4869 if (is_mailbox != NULL) {
4870 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4873 safestrncpy(roomname, req_room, sizeof(roomname));
4876 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4879 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4882 encoded_message = malloc((size_t)(raw_length + 4096));
4885 sprintf(encoded_message, "Content-type: %s\n", content_type);
4888 sprintf(&encoded_message[strlen(encoded_message)],
4889 "Content-transfer-encoding: base64\n\n"
4893 sprintf(&encoded_message[strlen(encoded_message)],
4894 "Content-transfer-encoding: 7bit\n\n"
4900 &encoded_message[strlen(encoded_message)],
4908 &encoded_message[strlen(encoded_message)],
4914 syslog(LOG_DEBUG, "Allocating\n");
4915 msg = malloc(sizeof(struct CtdlMessage));
4916 memset(msg, 0, sizeof(struct CtdlMessage));
4917 msg->cm_magic = CTDLMESSAGE_MAGIC;
4918 msg->cm_anon_type = MES_NORMAL;
4919 msg->cm_format_type = 4;
4920 msg->cm_fields['A'] = strdup(CC->user.fullname);
4921 msg->cm_fields['O'] = strdup(req_room);
4922 msg->cm_fields['N'] = strdup(config.c_nodename);
4923 msg->cm_fields['H'] = strdup(config.c_humannode);
4924 msg->cm_flags = flags;
4926 msg->cm_fields['M'] = encoded_message;
4928 /* Create the requested room if we have to. */
4929 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4930 CtdlCreateRoom(roomname,
4931 ( (is_mailbox != NULL) ? 5 : 3 ),
4932 "", 0, 1, 0, VIEW_BBS);
4934 /* If the caller specified this object as unique, delete all
4935 * other objects of this type that are currently in the room.
4938 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
4939 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4942 /* Now write the data */
4943 CtdlSubmitMsg(msg, NULL, roomname, 0);
4944 CtdlFreeMessage(msg);
4952 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4953 config_msgnum = msgnum;
4957 char *CtdlGetSysConfig(char *sysconfname) {
4958 char hold_rm[ROOMNAMELEN];
4961 struct CtdlMessage *msg;
4964 strcpy(hold_rm, CC->room.QRname);
4965 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4966 CtdlGetRoom(&CC->room, hold_rm);
4971 /* We want the last (and probably only) config in this room */
4972 begin_critical_section(S_CONFIG);
4973 config_msgnum = (-1L);
4974 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4975 CtdlGetSysConfigBackend, NULL);
4976 msgnum = config_msgnum;
4977 end_critical_section(S_CONFIG);
4983 msg = CtdlFetchMessage(msgnum, 1);
4985 conf = strdup(msg->cm_fields['M']);
4986 CtdlFreeMessage(msg);
4993 CtdlGetRoom(&CC->room, hold_rm);
4995 if (conf != NULL) do {
4996 extract_token(buf, conf, 0, '\n', sizeof buf);
4997 strcpy(conf, &conf[strlen(buf)+1]);
4998 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5004 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5005 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5010 * Determine whether a given Internet address belongs to the current user
5012 int CtdlIsMe(char *addr, int addr_buf_len)
5014 struct recptypes *recp;
5017 recp = validate_recipients(addr, NULL, 0);
5018 if (recp == NULL) return(0);
5020 if (recp->num_local == 0) {
5021 free_recipients(recp);
5025 for (i=0; i<recp->num_local; ++i) {
5026 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5027 if (!strcasecmp(addr, CC->user.fullname)) {
5028 free_recipients(recp);
5033 free_recipients(recp);
5039 * Citadel protocol command to do the same
5041 void cmd_isme(char *argbuf) {
5044 if (CtdlAccessCheck(ac_logged_in)) return;
5045 extract_token(addr, argbuf, 0, '|', sizeof addr);
5047 if (CtdlIsMe(addr, sizeof addr)) {
5048 cprintf("%d %s\n", CIT_OK, addr);
5051 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5057 /*****************************************************************************/
5058 /* MODULE INITIALIZATION STUFF */
5059 /*****************************************************************************/
5061 CTDL_MODULE_INIT(msgbase)
5064 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5065 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5066 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5067 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5068 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5069 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5070 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5071 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5072 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5073 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5074 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5075 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5078 /* return our Subversion id for the Log */