2 * Implements the message store.
4 * Copyright (c) 1987-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #if TIME_WITH_SYS_TIME
28 # include <sys/time.h>
32 # include <sys/time.h>
45 #include <sys/types.h>
47 #include <libcitadel.h>
50 #include "serv_extensions.h"
54 #include "sysdep_decls.h"
55 #include "citserver.h"
62 #include "internet_addressing.h"
63 #include "euidindex.h"
64 #include "journaling.h"
65 #include "citadel_dirs.h"
66 #include "clientsocket.h"
67 #include "serv_network.h"
70 #include "ctdl_module.h"
73 struct addresses_to_be_filed *atbf = NULL;
75 /* This temp file holds the queue of operations for AdjRefCount() */
76 static FILE *arcfp = NULL;
79 * This really belongs in serv_network.c, but I don't know how to export
80 * symbols between modules.
82 struct FilterList *filterlist = NULL;
86 * These are the four-character field headers we use when outputting
87 * messages in Citadel format (as opposed to RFC822 format).
90 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
91 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
92 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
93 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
96 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
126 * This function is self explanatory.
127 * (What can I say, I'm in a weird mood today...)
129 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
133 for (i = 0; i < strlen(name); ++i) {
134 if (name[i] == '@') {
135 while (isspace(name[i - 1]) && i > 0) {
136 strcpy(&name[i - 1], &name[i]);
139 while (isspace(name[i + 1])) {
140 strcpy(&name[i + 1], &name[i + 2]);
148 * Aliasing for network mail.
149 * (Error messages have been commented out, because this is a server.)
151 int alias(char *name)
152 { /* process alias and routing info for mail */
155 char aaa[SIZ], bbb[SIZ];
156 char *ignetcfg = NULL;
157 char *ignetmap = NULL;
163 char original_name[256];
164 safestrncpy(original_name, name, sizeof original_name);
167 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
168 stripallbut(name, '<', '>');
170 fp = fopen(file_mail_aliases, "r");
172 fp = fopen("/dev/null", "r");
179 while (fgets(aaa, sizeof aaa, fp) != NULL) {
180 while (isspace(name[0]))
181 strcpy(name, &name[1]);
182 aaa[strlen(aaa) - 1] = 0;
184 for (a = 0; a < strlen(aaa); ++a) {
186 strcpy(bbb, &aaa[a + 1]);
190 if (!strcasecmp(name, aaa))
195 /* Hit the Global Address Book */
196 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
200 if (strcasecmp(original_name, name)) {
201 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
204 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
205 for (a=0; a<strlen(name); ++a) {
206 if (name[a] == '@') {
207 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
209 syslog(LOG_INFO, "Changed to <%s>\n", name);
214 /* determine local or remote type, see citadel.h */
215 at = haschar(name, '@');
216 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
217 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
218 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
220 /* figure out the delivery mode */
221 extract_token(node, name, 1, '@', sizeof node);
223 /* If there are one or more dots in the nodename, we assume that it
224 * is an FQDN and will attempt SMTP delivery to the Internet.
226 if (haschar(node, '.') > 0) {
227 return(MES_INTERNET);
230 /* Otherwise we look in the IGnet maps for a valid Citadel node.
231 * Try directly-connected nodes first...
233 ignetcfg = CtdlGetSysConfig(IGNETCFG);
234 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
235 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
236 extract_token(testnode, buf, 0, '|', sizeof testnode);
237 if (!strcasecmp(node, testnode)) {
245 * Then try nodes that are two or more hops away.
247 ignetmap = CtdlGetSysConfig(IGNETMAP);
248 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
249 extract_token(buf, ignetmap, i, '\n', sizeof buf);
250 extract_token(testnode, buf, 0, '|', sizeof testnode);
251 if (!strcasecmp(node, testnode)) {
258 /* If we get to this point it's an invalid node name */
264 * Back end for the MSGS command: output message number only.
266 void simple_listing(long msgnum, void *userdata)
268 cprintf("%ld\n", msgnum);
274 * Back end for the MSGS command: output header summary.
276 void headers_listing(long msgnum, void *userdata)
278 struct CtdlMessage *msg;
280 msg = CtdlFetchMessage(msgnum, 0);
282 cprintf("%ld|0|||||\n", msgnum);
286 cprintf("%ld|%s|%s|%s|%s|%s|\n",
288 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
289 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
290 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
291 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
292 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
294 CtdlFreeMessage(msg);
298 * Back end for the MSGS command: output EUID header.
300 void headers_euid(long msgnum, void *userdata)
302 struct CtdlMessage *msg;
304 msg = CtdlFetchMessage(msgnum, 0);
306 cprintf("%ld||\n", msgnum);
310 cprintf("%ld|%s|%s\n",
312 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
313 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
314 CtdlFreeMessage(msg);
321 /* Determine if a given message matches the fields in a message template.
322 * Return 0 for a successful match.
324 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
327 /* If there aren't any fields in the template, all messages will
330 if (template == NULL) return(0);
332 /* Null messages are bogus. */
333 if (msg == NULL) return(1);
335 for (i='A'; i<='Z'; ++i) {
336 if (template->cm_fields[i] != NULL) {
337 if (msg->cm_fields[i] == NULL) {
338 /* Considered equal if temmplate is empty string */
339 if (IsEmptyStr(template->cm_fields[i])) continue;
342 if (strcasecmp(msg->cm_fields[i],
343 template->cm_fields[i])) return 1;
347 /* All compares succeeded: we have a match! */
354 * Retrieve the "seen" message list for the current room.
356 void CtdlGetSeen(char *buf, int which_set) {
359 /* Learn about the user and room in question */
360 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
362 if (which_set == ctdlsetseen_seen)
363 safestrncpy(buf, vbuf.v_seen, SIZ);
364 if (which_set == ctdlsetseen_answered)
365 safestrncpy(buf, vbuf.v_answered, SIZ);
371 * Manipulate the "seen msgs" string (or other message set strings)
373 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
374 int target_setting, int which_set,
375 struct ctdluser *which_user, struct ctdlroom *which_room) {
376 struct cdbdata *cdbfr;
390 char *is_set; /* actually an array of booleans */
392 /* Don't bother doing *anything* if we were passed a list of zero messages */
393 if (num_target_msgnums < 1) {
397 /* If no room was specified, we go with the current room. */
399 which_room = &CC->room;
402 /* If no user was specified, we go with the current user. */
404 which_user = &CC->user;
407 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
408 num_target_msgnums, target_msgnums[0],
409 (target_setting ? "SET" : "CLEAR"),
413 /* Learn about the user and room in question */
414 CtdlGetRelationship(&vbuf, which_user, which_room);
416 /* Load the message list */
417 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
419 msglist = (long *) cdbfr->ptr;
420 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
421 num_msgs = cdbfr->len / sizeof(long);
424 return; /* No messages at all? No further action. */
427 is_set = malloc(num_msgs * sizeof(char));
428 memset(is_set, 0, (num_msgs * sizeof(char)) );
430 /* Decide which message set we're manipulating */
432 case ctdlsetseen_seen:
433 vset = NewStrBufPlain(vbuf.v_seen, -1);
435 case ctdlsetseen_answered:
436 vset = NewStrBufPlain(vbuf.v_answered, -1);
443 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
444 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
445 for (i=0; i<num_msgs; ++i) {
446 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
448 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
449 for (k=0; k<num_target_msgnums; ++k) {
450 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
454 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
456 /* Translate the existing sequence set into an array of booleans */
457 setstr = NewStrBuf();
461 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
463 StrBufExtract_token(lostr, setstr, 0, ':');
464 if (StrBufNum_tokens(setstr, ':') >= 2) {
465 StrBufExtract_token(histr, setstr, 1, ':');
469 StrBufAppendBuf(histr, lostr, 0);
472 if (!strcmp(ChrPtr(histr), "*")) {
479 for (i = 0; i < num_msgs; ++i) {
480 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
490 /* Now translate the array of booleans back into a sequence set */
496 for (i=0; i<num_msgs; ++i) {
500 for (k=0; k<num_target_msgnums; ++k) {
501 if (msglist[i] == target_msgnums[k]) {
502 is_seen = target_setting;
506 if ((was_seen == 0) && (is_seen == 1)) {
509 else if ((was_seen == 1) && (is_seen == 0)) {
512 if (StrLength(vset) > 0) {
513 StrBufAppendBufPlain(vset, HKEY(","), 0);
516 StrBufAppendPrintf(vset, "%ld", hi);
519 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
523 if ((is_seen) && (i == num_msgs - 1)) {
524 if (StrLength(vset) > 0) {
525 StrBufAppendBufPlain(vset, HKEY(","), 0);
527 if ((i==0) || (was_seen == 0)) {
528 StrBufAppendPrintf(vset, "%ld", msglist[i]);
531 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
539 * We will have to stuff this string back into a 4096 byte buffer, so if it's
540 * larger than that now, truncate it by removing tokens from the beginning.
541 * The limit of 100 iterations is there to prevent an infinite loop in case
542 * something unexpected happens.
544 int number_of_truncations = 0;
545 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
546 StrBufRemove_token(vset, 0, ',');
547 ++number_of_truncations;
551 * If we're truncating the sequence set of messages marked with the 'seen' flag,
552 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
553 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
555 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
557 first_tok = NewStrBuf();
558 StrBufExtract_token(first_tok, vset, 0, ',');
559 StrBufRemove_token(vset, 0, ',');
561 if (StrBufNum_tokens(first_tok, ':') > 1) {
562 StrBufRemove_token(first_tok, 0, ':');
566 new_set = NewStrBuf();
567 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
568 StrBufAppendBuf(new_set, first_tok, 0);
569 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
570 StrBufAppendBuf(new_set, vset, 0);
573 FreeStrBuf(&first_tok);
577 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
579 /* Decide which message set we're manipulating */
581 case ctdlsetseen_seen:
582 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
584 case ctdlsetseen_answered:
585 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
591 CtdlSetRelationship(&vbuf, which_user, which_room);
597 * API function to perform an operation for each qualifying message in the
598 * current room. (Returns the number of messages processed.)
600 int CtdlForEachMessage(int mode, long ref, char *search_string,
602 struct CtdlMessage *compare,
603 ForEachMsgCallback CallBack,
609 struct cdbdata *cdbfr;
610 long *msglist = NULL;
612 int num_processed = 0;
615 struct CtdlMessage *msg = NULL;
618 int printed_lastold = 0;
619 int num_search_msgs = 0;
620 long *search_msgs = NULL;
622 int need_to_free_re = 0;
625 if ((content_type) && (!IsEmptyStr(content_type))) {
626 regcomp(&re, content_type, 0);
630 /* Learn about the user and room in question */
631 CtdlGetUser(&CC->user, CC->curr_user);
632 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
634 /* Load the message list */
635 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
637 if (need_to_free_re) regfree(&re);
638 return 0; /* No messages at all? No further action. */
641 msglist = (long *) cdbfr->ptr;
642 num_msgs = cdbfr->len / sizeof(long);
644 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
645 cdb_free(cdbfr); /* we own this memory now */
648 * We cache the most recent msglist in order to do security checks later
650 if (CC->client_socket > 0) {
651 if (CC->cached_msglist != NULL) {
652 free(CC->cached_msglist);
655 CC->cached_msglist = msglist;
656 CC->cached_num_msgs = num_msgs;
660 * Now begin the traversal.
662 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
664 /* If the caller is looking for a specific MIME type, filter
665 * out all messages which are not of the type requested.
667 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
669 /* This call to GetMetaData() sits inside this loop
670 * so that we only do the extra database read per msg
671 * if we need to. Doing the extra read all the time
672 * really kills the server. If we ever need to use
673 * metadata for another search criterion, we need to
674 * move the read somewhere else -- but still be smart
675 * enough to only do the read if the caller has
676 * specified something that will need it.
678 GetMetaData(&smi, msglist[a]);
680 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
681 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
687 num_msgs = sort_msglist(msglist, num_msgs);
689 /* If a template was supplied, filter out the messages which
690 * don't match. (This could induce some delays!)
693 if (compare != NULL) {
694 for (a = 0; a < num_msgs; ++a) {
695 msg = CtdlFetchMessage(msglist[a], 1);
697 if (CtdlMsgCmp(msg, compare)) {
700 CtdlFreeMessage(msg);
706 /* If a search string was specified, get a message list from
707 * the full text index and remove messages which aren't on both
711 * Since the lists are sorted and strictly ascending, and the
712 * output list is guaranteed to be shorter than or equal to the
713 * input list, we overwrite the bottom of the input list. This
714 * eliminates the need to memmove big chunks of the list over and
717 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
719 /* Call search module via hook mechanism.
720 * NULL means use any search function available.
721 * otherwise replace with a char * to name of search routine
723 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
725 if (num_search_msgs > 0) {
729 orig_num_msgs = num_msgs;
731 for (i=0; i<orig_num_msgs; ++i) {
732 for (j=0; j<num_search_msgs; ++j) {
733 if (msglist[i] == search_msgs[j]) {
734 msglist[num_msgs++] = msglist[i];
740 num_msgs = 0; /* No messages qualify */
742 if (search_msgs != NULL) free(search_msgs);
744 /* Now that we've purged messages which don't contain the search
745 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
752 * Now iterate through the message list, according to the
753 * criteria supplied by the caller.
756 for (a = 0; a < num_msgs; ++a) {
757 thismsg = msglist[a];
758 if (mode == MSGS_ALL) {
762 is_seen = is_msg_in_sequence_set(
763 vbuf.v_seen, thismsg);
764 if (is_seen) lastold = thismsg;
770 || ((mode == MSGS_OLD) && (is_seen))
771 || ((mode == MSGS_NEW) && (!is_seen))
772 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
773 || ((mode == MSGS_FIRST) && (a < ref))
774 || ((mode == MSGS_GT) && (thismsg > ref))
775 || ((mode == MSGS_LT) && (thismsg < ref))
776 || ((mode == MSGS_EQ) && (thismsg == ref))
779 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
781 CallBack(lastold, userdata);
785 if (CallBack) CallBack(thismsg, userdata);
789 if (need_to_free_re) regfree(&re);
790 if (CC->client_socket <= 0) free(msglist);
791 return num_processed;
797 * cmd_msgs() - get list of message #'s in this room
798 * implements the MSGS server command using CtdlForEachMessage()
800 void cmd_msgs(char *cmdbuf)
809 int with_template = 0;
810 struct CtdlMessage *template = NULL;
811 char search_string[1024];
812 ForEachMsgCallback CallBack;
814 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
816 extract_token(which, cmdbuf, 0, '|', sizeof which);
817 cm_ref = extract_int(cmdbuf, 1);
818 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
819 with_template = extract_int(cmdbuf, 2);
820 switch (extract_int(cmdbuf, 3))
824 CallBack = simple_listing;
827 CallBack = headers_listing;
830 CallBack = headers_euid;
835 if (!strncasecmp(which, "OLD", 3))
837 else if (!strncasecmp(which, "NEW", 3))
839 else if (!strncasecmp(which, "FIRST", 5))
841 else if (!strncasecmp(which, "LAST", 4))
843 else if (!strncasecmp(which, "GT", 2))
845 else if (!strncasecmp(which, "LT", 2))
847 else if (!strncasecmp(which, "SEARCH", 6))
852 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
853 cprintf("%d Full text index is not enabled on this server.\n",
854 ERROR + CMD_NOT_SUPPORTED);
860 cprintf("%d Send template then receive message list\n",
862 template = (struct CtdlMessage *)
863 malloc(sizeof(struct CtdlMessage));
864 memset(template, 0, sizeof(struct CtdlMessage));
865 template->cm_magic = CTDLMESSAGE_MAGIC;
866 template->cm_anon_type = MES_NORMAL;
868 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
869 extract_token(tfield, buf, 0, '|', sizeof tfield);
870 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
871 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
872 if (!strcasecmp(tfield, msgkeys[i])) {
873 template->cm_fields[i] =
881 cprintf("%d \n", LISTING_FOLLOWS);
884 CtdlForEachMessage(mode,
885 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
886 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
891 if (template != NULL) CtdlFreeMessage(template);
899 * help_subst() - support routine for help file viewer
901 void help_subst(char *strbuf, char *source, char *dest)
906 while (p = pattern2(strbuf, source), (p >= 0)) {
907 strcpy(workbuf, &strbuf[p + strlen(source)]);
908 strcpy(&strbuf[p], dest);
909 strcat(strbuf, workbuf);
914 void do_help_subst(char *buffer)
918 help_subst(buffer, "^nodename", config.c_nodename);
919 help_subst(buffer, "^humannode", config.c_humannode);
920 help_subst(buffer, "^fqdn", config.c_fqdn);
921 help_subst(buffer, "^username", CC->user.fullname);
922 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
923 help_subst(buffer, "^usernum", buf2);
924 help_subst(buffer, "^sysadm", config.c_sysadm);
925 help_subst(buffer, "^variantname", CITADEL);
926 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
927 help_subst(buffer, "^maxsessions", buf2);
928 help_subst(buffer, "^bbsdir", ctdl_message_dir);
934 * memfmout() - Citadel text formatter and paginator.
935 * Although the original purpose of this routine was to format
936 * text to the reader's screen width, all we're really using it
937 * for here is to format text out to 80 columns before sending it
938 * to the client. The client software may reformat it again.
941 char *mptr, /* where are we going to get our text from? */
942 const char *nl /* string to terminate lines with */
945 unsigned char ch = 0;
952 while (ch=*(mptr++), ch != 0) {
955 client_write(outbuf, len);
957 client_write(nl, nllen);
960 else if (ch == '\r') {
961 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
963 else if (isspace(ch)) {
964 if (column > 72) { /* Beyond 72 columns, break on the next space */
965 client_write(outbuf, len);
967 client_write(nl, nllen);
978 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
979 client_write(outbuf, len);
981 client_write(nl, nllen);
987 client_write(outbuf, len);
989 client_write(nl, nllen);
997 * Callback function for mime parser that simply lists the part
999 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1000 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1001 char *cbid, void *cbuserdata)
1005 ma = (struct ma_info *)cbuserdata;
1006 if (ma->is_ma == 0) {
1007 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1020 * Callback function for multipart prefix
1022 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1023 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1024 char *cbid, void *cbuserdata)
1028 ma = (struct ma_info *)cbuserdata;
1029 if (!strcasecmp(cbtype, "multipart/alternative")) {
1033 if (ma->is_ma == 0) {
1034 cprintf("pref=%s|%s\n", partnum, cbtype);
1039 * Callback function for multipart sufffix
1041 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1042 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1043 char *cbid, void *cbuserdata)
1047 ma = (struct ma_info *)cbuserdata;
1048 if (ma->is_ma == 0) {
1049 cprintf("suff=%s|%s\n", partnum, cbtype);
1051 if (!strcasecmp(cbtype, "multipart/alternative")) {
1058 * Callback function for mime parser that opens a section for downloading
1060 void mime_download(char *name, char *filename, char *partnum, char *disp,
1061 void *content, char *cbtype, char *cbcharset, size_t length,
1062 char *encoding, char *cbid, void *cbuserdata)
1066 /* Silently go away if there's already a download open. */
1067 if (CC->download_fp != NULL)
1071 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1072 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1074 CC->download_fp = tmpfile();
1075 if (CC->download_fp == NULL)
1078 rv = fwrite(content, length, 1, CC->download_fp);
1079 fflush(CC->download_fp);
1080 rewind(CC->download_fp);
1082 OpenCmdResult(filename, cbtype);
1089 * Callback function for mime parser that outputs a section all at once.
1090 * We can specify the desired section by part number *or* content-id.
1092 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1093 void *content, char *cbtype, char *cbcharset, size_t length,
1094 char *encoding, char *cbid, void *cbuserdata)
1096 int *found_it = (int *)cbuserdata;
1099 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1100 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1103 cprintf("%d %d|-1|%s|%s|%s\n",
1110 client_write(content, length);
1116 * Load a message from disk into memory.
1117 * This is used by CtdlOutputMsg() and other fetch functions.
1119 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1120 * using the CtdlMessageFree() function.
1122 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1124 struct cdbdata *dmsgtext;
1125 struct CtdlMessage *ret = NULL;
1129 cit_uint8_t field_header;
1131 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1132 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1133 if (dmsgtext == NULL) {
1136 mptr = dmsgtext->ptr;
1137 upper_bound = mptr + dmsgtext->len;
1139 /* Parse the three bytes that begin EVERY message on disk.
1140 * The first is always 0xFF, the on-disk magic number.
1141 * The second is the anonymous/public type byte.
1142 * The third is the format type byte (vari, fixed, or MIME).
1146 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1150 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1151 memset(ret, 0, sizeof(struct CtdlMessage));
1153 ret->cm_magic = CTDLMESSAGE_MAGIC;
1154 ret->cm_anon_type = *mptr++; /* Anon type byte */
1155 ret->cm_format_type = *mptr++; /* Format type byte */
1158 * The rest is zero or more arbitrary fields. Load them in.
1159 * We're done when we encounter either a zero-length field or
1160 * have just processed the 'M' (message text) field.
1163 if (mptr >= upper_bound) {
1166 field_header = *mptr++;
1167 ret->cm_fields[field_header] = strdup(mptr);
1169 while (*mptr++ != 0); /* advance to next field */
1171 } while ((mptr < upper_bound) && (field_header != 'M'));
1175 /* Always make sure there's something in the msg text field. If
1176 * it's NULL, the message text is most likely stored separately,
1177 * so go ahead and fetch that. Failing that, just set a dummy
1178 * body so other code doesn't barf.
1180 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1181 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1182 if (dmsgtext != NULL) {
1183 ret->cm_fields['M'] = dmsgtext->ptr;
1184 dmsgtext->ptr = NULL;
1188 if (ret->cm_fields['M'] == NULL) {
1189 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1192 /* Perform "before read" hooks (aborting if any return nonzero) */
1193 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1194 CtdlFreeMessage(ret);
1203 * Returns 1 if the supplied pointer points to a valid Citadel message.
1204 * If the pointer is NULL or the magic number check fails, returns 0.
1206 int is_valid_message(struct CtdlMessage *msg) {
1209 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1210 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1218 * 'Destructor' for struct CtdlMessage
1220 void CtdlFreeMessage(struct CtdlMessage *msg)
1224 if (is_valid_message(msg) == 0)
1226 if (msg != NULL) free (msg);
1230 for (i = 0; i < 256; ++i)
1231 if (msg->cm_fields[i] != NULL) {
1232 free(msg->cm_fields[i]);
1235 msg->cm_magic = 0; /* just in case */
1241 * Pre callback function for multipart/alternative
1243 * NOTE: this differs from the standard behavior for a reason. Normally when
1244 * displaying multipart/alternative you want to show the _last_ usable
1245 * format in the message. Here we show the _first_ one, because it's
1246 * usually text/plain. Since this set of functions is designed for text
1247 * output to non-MIME-aware clients, this is the desired behavior.
1250 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1251 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1252 char *cbid, void *cbuserdata)
1256 ma = (struct ma_info *)cbuserdata;
1257 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1258 if (!strcasecmp(cbtype, "multipart/alternative")) {
1262 if (!strcasecmp(cbtype, "message/rfc822")) {
1268 * Post callback function for multipart/alternative
1270 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1271 void *content, char *cbtype, char *cbcharset, size_t length,
1272 char *encoding, char *cbid, void *cbuserdata)
1276 ma = (struct ma_info *)cbuserdata;
1277 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1278 if (!strcasecmp(cbtype, "multipart/alternative")) {
1282 if (!strcasecmp(cbtype, "message/rfc822")) {
1288 * Inline callback function for mime parser that wants to display text
1290 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1291 void *content, char *cbtype, char *cbcharset, size_t length,
1292 char *encoding, char *cbid, void *cbuserdata)
1299 ma = (struct ma_info *)cbuserdata;
1302 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1303 partnum, filename, cbtype, (long)length);
1306 * If we're in the middle of a multipart/alternative scope and
1307 * we've already printed another section, skip this one.
1309 if ( (ma->is_ma) && (ma->did_print) ) {
1310 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1315 if ( (!strcasecmp(cbtype, "text/plain"))
1316 || (IsEmptyStr(cbtype)) ) {
1319 client_write(wptr, length);
1320 if (wptr[length-1] != '\n') {
1327 if (!strcasecmp(cbtype, "text/html")) {
1328 ptr = html_to_ascii(content, length, 80, 0);
1330 client_write(ptr, wlen);
1331 if (ptr[wlen-1] != '\n') {
1338 if (ma->use_fo_hooks) {
1339 if (PerformFixedOutputHooks(cbtype, content, length)) {
1340 /* above function returns nonzero if it handled the part */
1345 if (strncasecmp(cbtype, "multipart/", 10)) {
1346 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1347 partnum, filename, cbtype, (long)length);
1353 * The client is elegant and sophisticated and wants to be choosy about
1354 * MIME content types, so figure out which multipart/alternative part
1355 * we're going to send.
1357 * We use a system of weights. When we find a part that matches one of the
1358 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1359 * and then set ma->chosen_pref to that MIME type's position in our preference
1360 * list. If we then hit another match, we only replace the first match if
1361 * the preference value is lower.
1363 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1364 void *content, char *cbtype, char *cbcharset, size_t length,
1365 char *encoding, char *cbid, void *cbuserdata)
1371 ma = (struct ma_info *)cbuserdata;
1373 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1374 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1375 // I don't know if there are any side effects! Please TEST TEST TEST
1376 //if (ma->is_ma > 0) {
1378 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1379 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1380 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1381 if (i < ma->chosen_pref) {
1382 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1383 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1384 ma->chosen_pref = i;
1391 * Now that we've chosen our preferred part, output it.
1393 void output_preferred(char *name,
1407 int add_newline = 0;
1410 char *decoded = NULL;
1411 size_t bytes_decoded;
1414 ma = (struct ma_info *)cbuserdata;
1416 /* This is not the MIME part you're looking for... */
1417 if (strcasecmp(partnum, ma->chosen_part)) return;
1419 /* If the content-type of this part is in our preferred formats
1420 * list, we can simply output it verbatim.
1422 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1423 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1424 if (!strcasecmp(buf, cbtype)) {
1425 /* Yeah! Go! W00t!! */
1426 if (ma->dont_decode == 0)
1427 rc = mime_decode_now (content,
1433 break; /* Give us the chance, maybe theres another one. */
1435 if (rc == 0) text_content = (char *)content;
1437 text_content = decoded;
1438 length = bytes_decoded;
1441 if (text_content[length-1] != '\n') {
1444 cprintf("Content-type: %s", cbtype);
1445 if (!IsEmptyStr(cbcharset)) {
1446 cprintf("; charset=%s", cbcharset);
1448 cprintf("\nContent-length: %d\n",
1449 (int)(length + add_newline) );
1450 if (!IsEmptyStr(encoding)) {
1451 cprintf("Content-transfer-encoding: %s\n", encoding);
1454 cprintf("Content-transfer-encoding: 7bit\n");
1456 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1458 client_write(text_content, length);
1459 if (add_newline) cprintf("\n");
1460 if (decoded != NULL) free(decoded);
1465 /* No translations required or possible: output as text/plain */
1466 cprintf("Content-type: text/plain\n\n");
1468 if (ma->dont_decode == 0)
1469 rc = mime_decode_now (content,
1475 return; /* Give us the chance, maybe theres another one. */
1477 if (rc == 0) text_content = (char *)content;
1479 text_content = decoded;
1480 length = bytes_decoded;
1483 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1484 length, encoding, cbid, cbuserdata);
1485 if (decoded != NULL) free(decoded);
1490 char desired_section[64];
1497 * Callback function for
1499 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1500 void *content, char *cbtype, char *cbcharset, size_t length,
1501 char *encoding, char *cbid, void *cbuserdata)
1503 struct encapmsg *encap;
1505 encap = (struct encapmsg *)cbuserdata;
1507 /* Only proceed if this is the desired section... */
1508 if (!strcasecmp(encap->desired_section, partnum)) {
1509 encap->msglen = length;
1510 encap->msg = malloc(length + 2);
1511 memcpy(encap->msg, content, length);
1518 * Determine whether the specified message exists in the cached_msglist
1519 * (This is a security check)
1521 int check_cached_msglist(long msgnum) {
1523 /* cases in which we skip the check */
1524 if (!CC) return om_ok; /* not a session */
1525 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1526 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1527 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1530 /* Do a binary search within the cached_msglist for the requested msgnum */
1532 int max = (CC->cached_num_msgs - 1);
1534 while (max >= min) {
1535 int middle = min + (max-min) / 2 ;
1536 if (msgnum == CC->cached_msglist[middle]) {
1539 if (msgnum > CC->cached_msglist[middle]) {
1547 return om_access_denied;
1552 * Determine whether the currently logged in session has permission to read
1553 * messages in the current room.
1555 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1556 if ( (!(CC->logged_in))
1557 && (!(CC->internal_pgm))
1558 && (!config.c_guest_logins)
1560 return(om_not_logged_in);
1567 * Get a message off disk. (returns om_* values found in msgbase.h)
1570 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1571 int mode, /* how would you like that message? */
1572 int headers_only, /* eschew the message body? */
1573 int do_proto, /* do Citadel protocol responses? */
1574 int crlf, /* Use CRLF newlines instead of LF? */
1575 char *section, /* NULL or a message/rfc822 section */
1576 int flags /* various flags; see msgbase.h */
1578 struct CtdlMessage *TheMessage = NULL;
1579 int retcode = om_no_such_msg;
1580 struct encapmsg encap;
1583 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1585 (section ? section : "<>")
1588 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1591 if (r == om_not_logged_in) {
1592 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1595 cprintf("%d An unknown error has occurred.\n", ERROR);
1602 * Check to make sure the message is actually IN this room
1604 r = check_cached_msglist(msg_num);
1605 if (r == om_access_denied) {
1606 /* Not in the cache? We get ONE shot to check it again. */
1607 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1608 r = check_cached_msglist(msg_num);
1611 syslog(LOG_DEBUG, "\033[31m SECURITY CHECK FAIL \033[0m\n");
1613 if (r == om_access_denied) {
1614 cprintf("%d message %ld was not found in this room\n",
1615 ERROR + HIGHER_ACCESS_REQUIRED,
1624 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1625 * request that we don't even bother loading the body into memory.
1627 if (headers_only == HEADERS_FAST) {
1628 TheMessage = CtdlFetchMessage(msg_num, 0);
1631 TheMessage = CtdlFetchMessage(msg_num, 1);
1634 if (TheMessage == NULL) {
1635 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1636 ERROR + MESSAGE_NOT_FOUND, msg_num);
1637 return(om_no_such_msg);
1640 /* Here is the weird form of this command, to process only an
1641 * encapsulated message/rfc822 section.
1643 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1644 memset(&encap, 0, sizeof encap);
1645 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1646 mime_parser(TheMessage->cm_fields['M'],
1648 *extract_encapsulated_message,
1649 NULL, NULL, (void *)&encap, 0
1651 CtdlFreeMessage(TheMessage);
1655 encap.msg[encap.msglen] = 0;
1656 TheMessage = convert_internet_message(encap.msg);
1657 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1659 /* Now we let it fall through to the bottom of this
1660 * function, because TheMessage now contains the
1661 * encapsulated message instead of the top-level
1662 * message. Isn't that neat?
1667 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1668 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1669 retcode = om_no_such_msg;
1674 /* Ok, output the message now */
1675 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1676 CtdlFreeMessage(TheMessage);
1682 char *qp_encode_email_addrs(char *source)
1684 char *user, *node, *name;
1685 const char headerStr[] = "=?UTF-8?Q?";
1689 int need_to_encode = 0;
1695 long nAddrPtrMax = 50;
1700 if (source == NULL) return source;
1701 if (IsEmptyStr(source)) return source;
1703 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1705 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1706 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1707 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1710 while (!IsEmptyStr (&source[i])) {
1711 if (nColons >= nAddrPtrMax){
1714 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1715 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1716 free (AddrPtr), AddrPtr = ptr;
1718 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1719 memset(&ptr[nAddrPtrMax], 0,
1720 sizeof (long) * nAddrPtrMax);
1722 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1723 free (AddrUtf8), AddrUtf8 = ptr;
1726 if (((unsigned char) source[i] < 32) ||
1727 ((unsigned char) source[i] > 126)) {
1729 AddrUtf8[nColons] = 1;
1731 if (source[i] == '"')
1732 InQuotes = !InQuotes;
1733 if (!InQuotes && source[i] == ',') {
1734 AddrPtr[nColons] = i;
1739 if (need_to_encode == 0) {
1746 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1747 Encoded = (char*) malloc (EncodedMaxLen);
1749 for (i = 0; i < nColons; i++)
1750 source[AddrPtr[i]++] = '\0';
1751 /* TODO: if libidn, this might get larger*/
1752 user = malloc(SourceLen + 1);
1753 node = malloc(SourceLen + 1);
1754 name = malloc(SourceLen + 1);
1758 for (i = 0; i < nColons && nPtr != NULL; i++) {
1759 nmax = EncodedMaxLen - (nPtr - Encoded);
1761 process_rfc822_addr(&source[AddrPtr[i]],
1765 /* TODO: libIDN here ! */
1766 if (IsEmptyStr(name)) {
1767 n = snprintf(nPtr, nmax,
1768 (i==0)?"%s@%s" : ",%s@%s",
1772 EncodedName = rfc2047encode(name, strlen(name));
1773 n = snprintf(nPtr, nmax,
1774 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1775 EncodedName, user, node);
1780 n = snprintf(nPtr, nmax,
1781 (i==0)?"%s" : ",%s",
1782 &source[AddrPtr[i]]);
1788 ptr = (char*) malloc(EncodedMaxLen * 2);
1789 memcpy(ptr, Encoded, EncodedMaxLen);
1790 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1791 free(Encoded), Encoded = ptr;
1793 i--; /* do it once more with properly lengthened buffer */
1796 for (i = 0; i < nColons; i++)
1797 source[--AddrPtr[i]] = ',';
1808 /* If the last item in a list of recipients was truncated to a partial address,
1809 * remove it completely in order to avoid choking libSieve
1811 void sanitize_truncated_recipient(char *str)
1814 if (num_tokens(str, ',') < 2) return;
1816 int len = strlen(str);
1817 if (len < 900) return;
1818 if (len > 998) str[998] = 0;
1820 char *cptr = strrchr(str, ',');
1823 char *lptr = strchr(cptr, '<');
1824 char *rptr = strchr(cptr, '>');
1826 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1832 void OutputCtdlMsgHeaders(
1833 struct CtdlMessage *TheMessage,
1834 int do_proto) /* do Citadel protocol responses? */
1840 char display_name[256];
1842 /* begin header processing loop for Citadel message format */
1843 safestrncpy(display_name, "<unknown>", sizeof display_name);
1844 if (TheMessage->cm_fields['A']) {
1845 strcpy(buf, TheMessage->cm_fields['A']);
1846 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1847 safestrncpy(display_name, "****", sizeof display_name);
1849 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1850 safestrncpy(display_name, "anonymous", sizeof display_name);
1853 safestrncpy(display_name, buf, sizeof display_name);
1855 if ((is_room_aide())
1856 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1857 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1858 size_t tmp = strlen(display_name);
1859 snprintf(&display_name[tmp],
1860 sizeof display_name - tmp,
1865 /* Don't show Internet address for users on the
1866 * local Citadel network.
1869 if (TheMessage->cm_fields['N'] != NULL)
1870 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1871 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1875 /* Now spew the header fields in the order we like them. */
1876 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1877 for (i=0; i<n; ++i) {
1878 k = (int) allkeys[i];
1880 if ( (TheMessage->cm_fields[k] != NULL)
1881 && (msgkeys[k] != NULL) ) {
1882 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1883 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1886 if (do_proto) cprintf("%s=%s\n",
1890 else if ((k == 'F') && (suppress_f)) {
1893 /* Masquerade display name if needed */
1895 if (do_proto) cprintf("%s=%s\n",
1897 TheMessage->cm_fields[k]
1906 void OutputRFC822MsgHeaders(
1907 struct CtdlMessage *TheMessage,
1908 int flags, /* should the bessage be exported clean */
1910 char *mid, long sizeof_mid,
1911 char *suser, long sizeof_suser,
1912 char *luser, long sizeof_luser,
1913 char *fuser, long sizeof_fuser,
1914 char *snode, long sizeof_snode)
1916 char datestamp[100];
1917 int subject_found = 0;
1923 for (i = 0; i < 256; ++i) {
1924 if (TheMessage->cm_fields[i]) {
1925 mptr = mpptr = TheMessage->cm_fields[i];
1928 safestrncpy(luser, mptr, sizeof_luser);
1929 safestrncpy(suser, mptr, sizeof_suser);
1931 else if (i == 'Y') {
1932 if ((flags & QP_EADDR) != 0) {
1933 mptr = qp_encode_email_addrs(mptr);
1935 sanitize_truncated_recipient(mptr);
1936 cprintf("CC: %s%s", mptr, nl);
1938 else if (i == 'P') {
1939 cprintf("Return-Path: %s%s", mptr, nl);
1941 else if (i == 'L') {
1942 cprintf("List-ID: %s%s", mptr, nl);
1944 else if (i == 'V') {
1945 if ((flags & QP_EADDR) != 0)
1946 mptr = qp_encode_email_addrs(mptr);
1947 cprintf("Envelope-To: %s%s", mptr, nl);
1949 else if (i == 'U') {
1950 cprintf("Subject: %s%s", mptr, nl);
1954 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1956 safestrncpy(fuser, mptr, sizeof_fuser);
1957 /* else if (i == 'O')
1958 cprintf("X-Citadel-Room: %s%s",
1961 safestrncpy(snode, mptr, sizeof_snode);
1964 if (haschar(mptr, '@') == 0)
1966 sanitize_truncated_recipient(mptr);
1967 cprintf("To: %s@%s", mptr, config.c_fqdn);
1972 if ((flags & QP_EADDR) != 0) {
1973 mptr = qp_encode_email_addrs(mptr);
1975 sanitize_truncated_recipient(mptr);
1976 cprintf("To: %s", mptr);
1980 else if (i == 'T') {
1981 datestring(datestamp, sizeof datestamp,
1982 atol(mptr), DATESTRING_RFC822);
1983 cprintf("Date: %s%s", datestamp, nl);
1985 else if (i == 'W') {
1986 cprintf("References: ");
1987 k = num_tokens(mptr, '|');
1988 for (j=0; j<k; ++j) {
1989 extract_token(buf, mptr, j, '|', sizeof buf);
1990 cprintf("<%s>", buf);
1999 else if (i == 'K') {
2000 cprintf("Reply-To: <%s>%s", mptr, nl);
2006 if (subject_found == 0) {
2007 cprintf("Subject: (no subject)%s", nl);
2012 void Dump_RFC822HeadersBody(
2013 struct CtdlMessage *TheMessage,
2014 int headers_only, /* eschew the message body? */
2015 int flags, /* should the bessage be exported clean? */
2019 cit_uint8_t prev_ch;
2021 const char *StartOfText = StrBufNOTNULL;
2024 int nllen = strlen(nl);
2027 mptr = TheMessage->cm_fields['M'];
2031 while (*mptr != '\0') {
2032 if (*mptr == '\r') {
2039 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2041 eoh = *(mptr+1) == '\n';
2045 StartOfText = strchr(StartOfText, '\n');
2046 StartOfText = strchr(StartOfText, '\n');
2049 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2050 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2051 ((headers_only != HEADERS_NONE) &&
2052 (headers_only != HEADERS_ONLY))
2054 if (*mptr == '\n') {
2055 memcpy(&outbuf[outlen], nl, nllen);
2057 outbuf[outlen] = '\0';
2060 outbuf[outlen++] = *mptr;
2064 if (flags & ESC_DOT)
2066 if ((prev_ch == '\n') &&
2068 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2070 outbuf[outlen++] = '.';
2075 if (outlen > 1000) {
2076 client_write(outbuf, outlen);
2081 client_write(outbuf, outlen);
2088 /* If the format type on disk is 1 (fixed-format), then we want
2089 * everything to be output completely literally ... regardless of
2090 * what message transfer format is in use.
2092 void DumpFormatFixed(
2093 struct CtdlMessage *TheMessage,
2094 int mode, /* how would you like that message? */
2101 int nllen = strlen (nl);
2104 mptr = TheMessage->cm_fields['M'];
2106 if (mode == MT_MIME) {
2107 cprintf("Content-type: text/plain\n\n");
2111 while (ch = *mptr++, ch > 0) {
2115 if ((buflen > 250) && (!xlline)){
2119 while ((buflen > 0) &&
2120 (!isspace(buf[buflen])))
2126 mptr -= tbuflen - buflen;
2131 /* if we reach the outer bounds of our buffer,
2132 abort without respect what whe purge. */
2135 (buflen > SIZ - nllen - 2)))
2139 memcpy (&buf[buflen], nl, nllen);
2143 client_write(buf, buflen);
2153 if (!IsEmptyStr(buf))
2154 cprintf("%s%s", buf, nl);
2158 * Get a message off disk. (returns om_* values found in msgbase.h)
2160 int CtdlOutputPreLoadedMsg(
2161 struct CtdlMessage *TheMessage,
2162 int mode, /* how would you like that message? */
2163 int headers_only, /* eschew the message body? */
2164 int do_proto, /* do Citadel protocol responses? */
2165 int crlf, /* Use CRLF newlines instead of LF? */
2166 int flags /* should the bessage be exported clean? */
2170 const char *nl; /* newline string */
2173 /* Buffers needed for RFC822 translation. These are all filled
2174 * using functions that are bounds-checked, and therefore we can
2175 * make them substantially smaller than SIZ.
2183 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2184 ((TheMessage == NULL) ? "NULL" : "not null"),
2185 mode, headers_only, do_proto, crlf);
2187 strcpy(mid, "unknown");
2188 nl = (crlf ? "\r\n" : "\n");
2190 if (!is_valid_message(TheMessage)) {
2192 "ERROR: invalid preloaded message for output\n");
2194 return(om_no_such_msg);
2197 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2198 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2200 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2201 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2204 /* Are we downloading a MIME component? */
2205 if (mode == MT_DOWNLOAD) {
2206 if (TheMessage->cm_format_type != FMT_RFC822) {
2208 cprintf("%d This is not a MIME message.\n",
2209 ERROR + ILLEGAL_VALUE);
2210 } else if (CC->download_fp != NULL) {
2211 if (do_proto) cprintf(
2212 "%d You already have a download open.\n",
2213 ERROR + RESOURCE_BUSY);
2215 /* Parse the message text component */
2216 mptr = TheMessage->cm_fields['M'];
2217 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2218 /* If there's no file open by this time, the requested
2219 * section wasn't found, so print an error
2221 if (CC->download_fp == NULL) {
2222 if (do_proto) cprintf(
2223 "%d Section %s not found.\n",
2224 ERROR + FILE_NOT_FOUND,
2225 CC->download_desired_section);
2228 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2231 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2232 * in a single server operation instead of opening a download file.
2234 if (mode == MT_SPEW_SECTION) {
2235 if (TheMessage->cm_format_type != FMT_RFC822) {
2237 cprintf("%d This is not a MIME message.\n",
2238 ERROR + ILLEGAL_VALUE);
2240 /* Parse the message text component */
2243 mptr = TheMessage->cm_fields['M'];
2244 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2245 /* If section wasn't found, print an error
2248 if (do_proto) cprintf(
2249 "%d Section %s not found.\n",
2250 ERROR + FILE_NOT_FOUND,
2251 CC->download_desired_section);
2254 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2257 /* now for the user-mode message reading loops */
2258 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2260 /* Does the caller want to skip the headers? */
2261 if (headers_only == HEADERS_NONE) goto START_TEXT;
2263 /* Tell the client which format type we're using. */
2264 if ( (mode == MT_CITADEL) && (do_proto) ) {
2265 cprintf("type=%d\n", TheMessage->cm_format_type);
2268 /* nhdr=yes means that we're only displaying headers, no body */
2269 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2270 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2273 cprintf("nhdr=yes\n");
2276 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2277 OutputCtdlMsgHeaders(TheMessage, do_proto);
2280 /* begin header processing loop for RFC822 transfer format */
2284 strcpy(snode, NODENAME);
2285 if (mode == MT_RFC822)
2286 OutputRFC822MsgHeaders(
2291 suser, sizeof(suser),
2292 luser, sizeof(luser),
2293 fuser, sizeof(fuser),
2294 snode, sizeof(snode)
2298 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2299 suser[i] = tolower(suser[i]);
2300 if (!isalnum(suser[i])) suser[i]='_';
2303 if (mode == MT_RFC822) {
2304 if (!strcasecmp(snode, NODENAME)) {
2305 safestrncpy(snode, FQDN, sizeof snode);
2308 /* Construct a fun message id */
2309 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2310 if (strchr(mid, '@')==NULL) {
2311 cprintf("@%s", snode);
2315 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2316 cprintf("From: \"----\" <x@x.org>%s", nl);
2318 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2319 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2321 else if (!IsEmptyStr(fuser)) {
2322 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2325 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2328 /* Blank line signifying RFC822 end-of-headers */
2329 if (TheMessage->cm_format_type != FMT_RFC822) {
2334 /* end header processing loop ... at this point, we're in the text */
2336 if (headers_only == HEADERS_FAST) goto DONE;
2338 /* Tell the client about the MIME parts in this message */
2339 if (TheMessage->cm_format_type == FMT_RFC822) {
2340 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2341 mptr = TheMessage->cm_fields['M'];
2342 memset(&ma, 0, sizeof(struct ma_info));
2343 mime_parser(mptr, NULL,
2344 (do_proto ? *list_this_part : NULL),
2345 (do_proto ? *list_this_pref : NULL),
2346 (do_proto ? *list_this_suff : NULL),
2349 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2350 Dump_RFC822HeadersBody(
2359 if (headers_only == HEADERS_ONLY) {
2363 /* signify start of msg text */
2364 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2365 if (do_proto) cprintf("text\n");
2368 if (TheMessage->cm_format_type == FMT_FIXED)
2371 mode, /* how would you like that message? */
2374 /* If the message on disk is format 0 (Citadel vari-format), we
2375 * output using the formatter at 80 columns. This is the final output
2376 * form if the transfer format is RFC822, but if the transfer format
2377 * is Citadel proprietary, it'll still work, because the indentation
2378 * for new paragraphs is correct and the client will reformat the
2379 * message to the reader's screen width.
2381 if (TheMessage->cm_format_type == FMT_CITADEL) {
2382 mptr = TheMessage->cm_fields['M'];
2384 if (mode == MT_MIME) {
2385 cprintf("Content-type: text/x-citadel-variformat\n\n");
2390 /* If the message on disk is format 4 (MIME), we've gotta hand it
2391 * off to the MIME parser. The client has already been told that
2392 * this message is format 1 (fixed format), so the callback function
2393 * we use will display those parts as-is.
2395 if (TheMessage->cm_format_type == FMT_RFC822) {
2396 memset(&ma, 0, sizeof(struct ma_info));
2398 if (mode == MT_MIME) {
2399 ma.use_fo_hooks = 0;
2400 strcpy(ma.chosen_part, "1");
2401 ma.chosen_pref = 9999;
2402 ma.dont_decode = CC->msg4_dont_decode;
2403 mime_parser(mptr, NULL,
2404 *choose_preferred, *fixed_output_pre,
2405 *fixed_output_post, (void *)&ma, 1);
2406 mime_parser(mptr, NULL,
2407 *output_preferred, NULL, NULL, (void *)&ma, 1);
2410 ma.use_fo_hooks = 1;
2411 mime_parser(mptr, NULL,
2412 *fixed_output, *fixed_output_pre,
2413 *fixed_output_post, (void *)&ma, 0);
2418 DONE: /* now we're done */
2419 if (do_proto) cprintf("000\n");
2425 * display a message (mode 0 - Citadel proprietary)
2427 void cmd_msg0(char *cmdbuf)
2430 int headers_only = HEADERS_ALL;
2432 msgid = extract_long(cmdbuf, 0);
2433 headers_only = extract_int(cmdbuf, 1);
2435 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2441 * display a message (mode 2 - RFC822)
2443 void cmd_msg2(char *cmdbuf)
2446 int headers_only = HEADERS_ALL;
2448 msgid = extract_long(cmdbuf, 0);
2449 headers_only = extract_int(cmdbuf, 1);
2451 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2457 * display a message (mode 3 - IGnet raw format - internal programs only)
2459 void cmd_msg3(char *cmdbuf)
2462 struct CtdlMessage *msg = NULL;
2465 if (CC->internal_pgm == 0) {
2466 cprintf("%d This command is for internal programs only.\n",
2467 ERROR + HIGHER_ACCESS_REQUIRED);
2471 msgnum = extract_long(cmdbuf, 0);
2472 msg = CtdlFetchMessage(msgnum, 1);
2474 cprintf("%d Message %ld not found.\n",
2475 ERROR + MESSAGE_NOT_FOUND, msgnum);
2479 serialize_message(&smr, msg);
2480 CtdlFreeMessage(msg);
2483 cprintf("%d Unable to serialize message\n",
2484 ERROR + INTERNAL_ERROR);
2488 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2489 client_write((char *)smr.ser, (int)smr.len);
2496 * Display a message using MIME content types
2498 void cmd_msg4(char *cmdbuf)
2503 msgid = extract_long(cmdbuf, 0);
2504 extract_token(section, cmdbuf, 1, '|', sizeof section);
2505 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2511 * Client tells us its preferred message format(s)
2513 void cmd_msgp(char *cmdbuf)
2515 if (!strcasecmp(cmdbuf, "dont_decode")) {
2516 CC->msg4_dont_decode = 1;
2517 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2520 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2521 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2527 * Open a component of a MIME message as a download file
2529 void cmd_opna(char *cmdbuf)
2532 char desired_section[128];
2534 msgid = extract_long(cmdbuf, 0);
2535 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2536 safestrncpy(CC->download_desired_section, desired_section,
2537 sizeof CC->download_desired_section);
2538 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2543 * Open a component of a MIME message and transmit it all at once
2545 void cmd_dlat(char *cmdbuf)
2548 char desired_section[128];
2550 msgid = extract_long(cmdbuf, 0);
2551 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2552 safestrncpy(CC->download_desired_section, desired_section,
2553 sizeof CC->download_desired_section);
2554 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2559 * Save one or more message pointers into a specified room
2560 * (Returns 0 for success, nonzero for failure)
2561 * roomname may be NULL to use the current room
2563 * Note that the 'supplied_msg' field may be set to NULL, in which case
2564 * the message will be fetched from disk, by number, if we need to perform
2565 * replication checks. This adds an additional database read, so if the
2566 * caller already has the message in memory then it should be supplied. (Obviously
2567 * this mode of operation only works if we're saving a single message.)
2569 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2570 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2573 char hold_rm[ROOMNAMELEN];
2574 struct cdbdata *cdbfr;
2577 long highest_msg = 0L;
2580 struct CtdlMessage *msg = NULL;
2582 long *msgs_to_be_merged = NULL;
2583 int num_msgs_to_be_merged = 0;
2586 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2587 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2590 strcpy(hold_rm, CC->room.QRname);
2593 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2594 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2595 if (num_newmsgs > 1) supplied_msg = NULL;
2597 /* Now the regular stuff */
2598 if (CtdlGetRoomLock(&CC->room,
2599 ((roomname != NULL) ? roomname : CC->room.QRname) )
2601 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2602 return(ERROR + ROOM_NOT_FOUND);
2606 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2607 num_msgs_to_be_merged = 0;
2610 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2611 if (cdbfr == NULL) {
2615 msglist = (long *) cdbfr->ptr;
2616 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2617 num_msgs = cdbfr->len / sizeof(long);
2622 /* Create a list of msgid's which were supplied by the caller, but do
2623 * not already exist in the target room. It is absolutely taboo to
2624 * have more than one reference to the same message in a room.
2626 for (i=0; i<num_newmsgs; ++i) {
2628 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2629 if (msglist[j] == newmsgidlist[i]) {
2634 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2638 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2641 * Now merge the new messages
2643 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2644 if (msglist == NULL) {
2645 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2647 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2648 num_msgs += num_msgs_to_be_merged;
2650 /* Sort the message list, so all the msgid's are in order */
2651 num_msgs = sort_msglist(msglist, num_msgs);
2653 /* Determine the highest message number */
2654 highest_msg = msglist[num_msgs - 1];
2656 /* Write it back to disk. */
2657 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2658 msglist, (int)(num_msgs * sizeof(long)));
2660 /* Free up the memory we used. */
2663 /* Update the highest-message pointer and unlock the room. */
2664 CC->room.QRhighest = highest_msg;
2665 CtdlPutRoomLock(&CC->room);
2667 /* Perform replication checks if necessary */
2668 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2669 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2671 for (i=0; i<num_msgs_to_be_merged; ++i) {
2672 msgid = msgs_to_be_merged[i];
2674 if (supplied_msg != NULL) {
2678 msg = CtdlFetchMessage(msgid, 0);
2682 ReplicationChecks(msg);
2684 /* If the message has an Exclusive ID, index that... */
2685 if (msg->cm_fields['E'] != NULL) {
2686 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2689 /* Free up the memory we may have allocated */
2690 if (msg != supplied_msg) {
2691 CtdlFreeMessage(msg);
2699 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2702 /* Submit this room for processing by hooks */
2703 PerformRoomHooks(&CC->room);
2705 /* Go back to the room we were in before we wandered here... */
2706 CtdlGetRoom(&CC->room, hold_rm);
2708 /* Bump the reference count for all messages which were merged */
2709 if (!suppress_refcount_adj) {
2710 for (i=0; i<num_msgs_to_be_merged; ++i) {
2711 AdjRefCount(msgs_to_be_merged[i], +1);
2715 /* Free up memory... */
2716 if (msgs_to_be_merged != NULL) {
2717 free(msgs_to_be_merged);
2720 /* Return success. */
2726 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2729 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2730 int do_repl_check, struct CtdlMessage *supplied_msg)
2732 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2739 * Message base operation to save a new message to the message store
2740 * (returns new message number)
2742 * This is the back end for CtdlSubmitMsg() and should not be directly
2743 * called by server-side modules.
2746 long send_message(struct CtdlMessage *msg) {
2754 /* Get a new message number */
2755 newmsgid = get_new_message_number();
2756 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2758 /* Generate an ID if we don't have one already */
2759 if (msg->cm_fields['I']==NULL) {
2760 msg->cm_fields['I'] = strdup(msgidbuf);
2763 /* If the message is big, set its body aside for storage elsewhere */
2764 if (msg->cm_fields['M'] != NULL) {
2765 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2767 holdM = msg->cm_fields['M'];
2768 msg->cm_fields['M'] = NULL;
2772 /* Serialize our data structure for storage in the database */
2773 serialize_message(&smr, msg);
2776 msg->cm_fields['M'] = holdM;
2780 cprintf("%d Unable to serialize message\n",
2781 ERROR + INTERNAL_ERROR);
2785 /* Write our little bundle of joy into the message base */
2786 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2787 smr.ser, smr.len) < 0) {
2788 syslog(LOG_ERR, "Can't store message\n");
2792 cdb_store(CDB_BIGMSGS,
2802 /* Free the memory we used for the serialized message */
2805 /* Return the *local* message ID to the caller
2806 * (even if we're storing an incoming network message)
2814 * Serialize a struct CtdlMessage into the format used on disk and network.
2816 * This function loads up a "struct ser_ret" (defined in server.h) which
2817 * contains the length of the serialized message and a pointer to the
2818 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2820 void serialize_message(struct ser_ret *ret, /* return values */
2821 struct CtdlMessage *msg) /* unserialized msg */
2823 size_t wlen, fieldlen;
2825 static char *forder = FORDER;
2828 * Check for valid message format
2830 if (is_valid_message(msg) == 0) {
2831 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2838 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2839 ret->len = ret->len +
2840 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2842 ret->ser = malloc(ret->len);
2843 if (ret->ser == NULL) {
2844 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2845 (long)ret->len, strerror(errno));
2852 ret->ser[1] = msg->cm_anon_type;
2853 ret->ser[2] = msg->cm_format_type;
2856 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2857 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2858 ret->ser[wlen++] = (char)forder[i];
2859 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2860 wlen = wlen + fieldlen + 1;
2862 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2863 (long)ret->len, (long)wlen);
2870 * Serialize a struct CtdlMessage into the format used on disk and network.
2872 * This function loads up a "struct ser_ret" (defined in server.h) which
2873 * contains the length of the serialized message and a pointer to the
2874 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2876 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2877 long Siz) /* how many chars ? */
2881 static char *forder = FORDER;
2885 * Check for valid message format
2887 if (is_valid_message(msg) == 0) {
2888 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2892 buf = (char*) malloc (Siz + 1);
2896 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2897 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2898 msg->cm_fields[(int)forder[i]]);
2899 client_write (buf, strlen(buf));
2908 * Check to see if any messages already exist in the current room which
2909 * carry the same Exclusive ID as this one. If any are found, delete them.
2911 void ReplicationChecks(struct CtdlMessage *msg) {
2912 long old_msgnum = (-1L);
2914 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2916 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2919 /* No exclusive id? Don't do anything. */
2920 if (msg == NULL) return;
2921 if (msg->cm_fields['E'] == NULL) return;
2922 if (IsEmptyStr(msg->cm_fields['E'])) return;
2923 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2924 msg->cm_fields['E'], CC->room.QRname);*/
2926 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2927 if (old_msgnum > 0L) {
2928 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2929 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2936 * Save a message to disk and submit it into the delivery system.
2938 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2939 struct recptypes *recps, /* recipients (if mail) */
2940 char *force, /* force a particular room? */
2941 int flags /* should the message be exported clean? */
2943 char submit_filename[128];
2944 char generated_timestamp[32];
2945 char hold_rm[ROOMNAMELEN];
2946 char actual_rm[ROOMNAMELEN];
2947 char force_room[ROOMNAMELEN];
2948 char content_type[SIZ]; /* We have to learn this */
2949 char recipient[SIZ];
2951 const char *mptr = NULL;
2952 struct ctdluser userbuf;
2954 struct MetaData smi;
2955 FILE *network_fp = NULL;
2956 static int seqnum = 1;
2957 struct CtdlMessage *imsg = NULL;
2959 size_t instr_alloc = 0;
2961 char *hold_R, *hold_D;
2962 char *collected_addresses = NULL;
2963 struct addresses_to_be_filed *aptr = NULL;
2964 StrBuf *saved_rfc822_version = NULL;
2965 int qualified_for_journaling = 0;
2966 CitContext *CCC = MyContext();
2967 char bounce_to[1024] = "";
2971 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
2972 if (is_valid_message(msg) == 0) return(-1); /* self check */
2974 /* If this message has no timestamp, we take the liberty of
2975 * giving it one, right now.
2977 if (msg->cm_fields['T'] == NULL) {
2978 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2979 msg->cm_fields['T'] = strdup(generated_timestamp);
2982 /* If this message has no path, we generate one.
2984 if (msg->cm_fields['P'] == NULL) {
2985 if (msg->cm_fields['A'] != NULL) {
2986 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2987 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2988 if (isspace(msg->cm_fields['P'][a])) {
2989 msg->cm_fields['P'][a] = ' ';
2994 msg->cm_fields['P'] = strdup("unknown");
2998 if (force == NULL) {
2999 strcpy(force_room, "");
3002 strcpy(force_room, force);
3005 /* Learn about what's inside, because it's what's inside that counts */
3006 if (msg->cm_fields['M'] == NULL) {
3007 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3011 switch (msg->cm_format_type) {
3013 strcpy(content_type, "text/x-citadel-variformat");
3016 strcpy(content_type, "text/plain");
3019 strcpy(content_type, "text/plain");
3020 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3023 safestrncpy(content_type, &mptr[13], sizeof content_type);
3024 striplt(content_type);
3025 aptr = content_type;
3026 while (!IsEmptyStr(aptr)) {
3038 /* Goto the correct room */
3039 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3040 strcpy(hold_rm, CCC->room.QRname);
3041 strcpy(actual_rm, CCC->room.QRname);
3042 if (recps != NULL) {
3043 strcpy(actual_rm, SENTITEMS);
3046 /* If the user is a twit, move to the twit room for posting */
3048 if (CCC->user.axlevel == AxProbU) {
3049 strcpy(hold_rm, actual_rm);
3050 strcpy(actual_rm, config.c_twitroom);
3051 syslog(LOG_DEBUG, "Diverting to twit room\n");
3055 /* ...or if this message is destined for Aide> then go there. */
3056 if (!IsEmptyStr(force_room)) {
3057 strcpy(actual_rm, force_room);
3060 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3061 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3062 /* CtdlGetRoom(&CCC->room, actual_rm); */
3063 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3067 * If this message has no O (room) field, generate one.
3069 if (msg->cm_fields['O'] == NULL) {
3070 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3073 /* Perform "before save" hooks (aborting if any return nonzero) */
3074 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3075 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3078 * If this message has an Exclusive ID, and the room is replication
3079 * checking enabled, then do replication checks.
3081 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3082 ReplicationChecks(msg);
3085 /* Save it to disk */
3086 syslog(LOG_DEBUG, "Saving to disk\n");
3087 newmsgid = send_message(msg);
3088 if (newmsgid <= 0L) return(-5);
3090 /* Write a supplemental message info record. This doesn't have to
3091 * be a critical section because nobody else knows about this message
3094 syslog(LOG_DEBUG, "Creating MetaData record\n");
3095 memset(&smi, 0, sizeof(struct MetaData));
3096 smi.meta_msgnum = newmsgid;
3097 smi.meta_refcount = 0;
3098 safestrncpy(smi.meta_content_type, content_type,
3099 sizeof smi.meta_content_type);
3102 * Measure how big this message will be when rendered as RFC822.
3103 * We do this for two reasons:
3104 * 1. We need the RFC822 length for the new metadata record, so the
3105 * POP and IMAP services don't have to calculate message lengths
3106 * while the user is waiting (multiplied by potentially hundreds
3107 * or thousands of messages).
3108 * 2. If journaling is enabled, we will need an RFC822 version of the
3109 * message to attach to the journalized copy.
3111 if (CCC->redirect_buffer != NULL) {
3112 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3115 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3116 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3117 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3118 saved_rfc822_version = CCC->redirect_buffer;
3119 CCC->redirect_buffer = NULL;
3123 /* Now figure out where to store the pointers */
3124 syslog(LOG_DEBUG, "Storing pointers\n");
3126 /* If this is being done by the networker delivering a private
3127 * message, we want to BYPASS saving the sender's copy (because there
3128 * is no local sender; it would otherwise go to the Trashcan).
3130 if ((!CCC->internal_pgm) || (recps == NULL)) {
3131 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3132 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3133 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3137 /* For internet mail, drop a copy in the outbound queue room */
3138 if ((recps != NULL) && (recps->num_internet > 0)) {
3139 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3142 /* If other rooms are specified, drop them there too. */
3143 if ((recps != NULL) && (recps->num_room > 0))
3144 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3145 extract_token(recipient, recps->recp_room, i,
3146 '|', sizeof recipient);
3147 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3148 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3151 /* Bump this user's messages posted counter. */
3152 syslog(LOG_DEBUG, "Updating user\n");
3153 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3154 CCC->user.posted = CCC->user.posted + 1;
3155 CtdlPutUserLock(&CCC->user);
3157 /* Decide where bounces need to be delivered */
3158 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3159 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3161 else if (CCC->logged_in) {
3162 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3165 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3168 /* If this is private, local mail, make a copy in the
3169 * recipient's mailbox and bump the reference count.
3171 if ((recps != NULL) && (recps->num_local > 0))
3172 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3173 extract_token(recipient, recps->recp_local, i,
3174 '|', sizeof recipient);
3175 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3177 if (CtdlGetUser(&userbuf, recipient) == 0) {
3178 // Add a flag so the Funambol module knows its mail
3179 msg->cm_fields['W'] = strdup(recipient);
3180 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3181 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3182 CtdlBumpNewMailCounter(userbuf.usernum);
3183 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3184 /* Generate a instruction message for the Funambol notification
3185 * server, in the same style as the SMTP queue
3188 instr = malloc(instr_alloc);
3189 snprintf(instr, instr_alloc,
3190 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3192 SPOOLMIME, newmsgid, (long)time(NULL),
3196 imsg = malloc(sizeof(struct CtdlMessage));
3197 memset(imsg, 0, sizeof(struct CtdlMessage));
3198 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3199 imsg->cm_anon_type = MES_NORMAL;
3200 imsg->cm_format_type = FMT_RFC822;
3201 imsg->cm_fields['A'] = strdup("Citadel");
3202 imsg->cm_fields['J'] = strdup("do not journal");
3203 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3204 imsg->cm_fields['W'] = strdup(recipient);
3205 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3206 CtdlFreeMessage(imsg);
3210 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3211 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3216 /* Perform "after save" hooks */
3217 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3218 PerformMessageHooks(msg, EVT_AFTERSAVE);
3220 /* For IGnet mail, we have to save a new copy into the spooler for
3221 * each recipient, with the R and D fields set to the recipient and
3222 * destination-node. This has two ugly side effects: all other
3223 * recipients end up being unlisted in this recipient's copy of the
3224 * message, and it has to deliver multiple messages to the same
3225 * node. We'll revisit this again in a year or so when everyone has
3226 * a network spool receiver that can handle the new style messages.
3228 if ((recps != NULL) && (recps->num_ignet > 0))
3229 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3230 extract_token(recipient, recps->recp_ignet, i,
3231 '|', sizeof recipient);
3233 hold_R = msg->cm_fields['R'];
3234 hold_D = msg->cm_fields['D'];
3235 msg->cm_fields['R'] = malloc(SIZ);
3236 msg->cm_fields['D'] = malloc(128);
3237 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3238 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3240 serialize_message(&smr, msg);
3242 snprintf(submit_filename, sizeof submit_filename,
3243 "%s/netmail.%04lx.%04x.%04x",
3245 (long) getpid(), CCC->cs_pid, ++seqnum);
3246 network_fp = fopen(submit_filename, "wb+");
3247 if (network_fp != NULL) {
3248 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3254 free(msg->cm_fields['R']);
3255 free(msg->cm_fields['D']);
3256 msg->cm_fields['R'] = hold_R;
3257 msg->cm_fields['D'] = hold_D;
3260 /* Go back to the room we started from */
3261 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3262 if (strcasecmp(hold_rm, CCC->room.QRname))
3263 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3265 /* For internet mail, generate delivery instructions.
3266 * Yes, this is recursive. Deal with it. Infinite recursion does
3267 * not happen because the delivery instructions message does not
3268 * contain a recipient.
3270 if ((recps != NULL) && (recps->num_internet > 0)) {
3271 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3273 instr = malloc(instr_alloc);
3274 snprintf(instr, instr_alloc,
3275 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3277 SPOOLMIME, newmsgid, (long)time(NULL),
3281 if (recps->envelope_from != NULL) {
3282 tmp = strlen(instr);
3283 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3286 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3287 tmp = strlen(instr);
3288 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3289 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3290 instr_alloc = instr_alloc * 2;
3291 instr = realloc(instr, instr_alloc);
3293 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3296 imsg = malloc(sizeof(struct CtdlMessage));
3297 memset(imsg, 0, sizeof(struct CtdlMessage));
3298 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3299 imsg->cm_anon_type = MES_NORMAL;
3300 imsg->cm_format_type = FMT_RFC822;
3301 imsg->cm_fields['A'] = strdup("Citadel");
3302 imsg->cm_fields['J'] = strdup("do not journal");
3303 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3304 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3305 CtdlFreeMessage(imsg);
3309 * Any addresses to harvest for someone's address book?
3311 if ( (CCC->logged_in) && (recps != NULL) ) {
3312 collected_addresses = harvest_collected_addresses(msg);
3315 if (collected_addresses != NULL) {
3316 aptr = (struct addresses_to_be_filed *)
3317 malloc(sizeof(struct addresses_to_be_filed));
3318 CtdlMailboxName(actual_rm, sizeof actual_rm,
3319 &CCC->user, USERCONTACTSROOM);
3320 aptr->roomname = strdup(actual_rm);
3321 aptr->collected_addresses = collected_addresses;
3322 begin_critical_section(S_ATBF);
3325 end_critical_section(S_ATBF);
3329 * Determine whether this message qualifies for journaling.
3331 if (msg->cm_fields['J'] != NULL) {
3332 qualified_for_journaling = 0;
3335 if (recps == NULL) {
3336 qualified_for_journaling = config.c_journal_pubmsgs;
3338 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3339 qualified_for_journaling = config.c_journal_email;
3342 qualified_for_journaling = config.c_journal_pubmsgs;
3347 * Do we have to perform journaling? If so, hand off the saved
3348 * RFC822 version will be handed off to the journaler for background
3349 * submit. Otherwise, we have to free the memory ourselves.
3351 if (saved_rfc822_version != NULL) {
3352 if (qualified_for_journaling) {
3353 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3356 FreeStrBuf(&saved_rfc822_version);
3366 void aide_message (char *text, char *subject)
3368 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3373 * Convenience function for generating small administrative messages.
3375 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3376 int format_type, const char *subject)
3378 struct CtdlMessage *msg;
3379 struct recptypes *recp = NULL;
3381 msg = malloc(sizeof(struct CtdlMessage));
3382 memset(msg, 0, sizeof(struct CtdlMessage));
3383 msg->cm_magic = CTDLMESSAGE_MAGIC;
3384 msg->cm_anon_type = MES_NORMAL;
3385 msg->cm_format_type = format_type;
3388 msg->cm_fields['A'] = strdup(from);
3390 else if (fromaddr != NULL) {
3391 msg->cm_fields['A'] = strdup(fromaddr);
3392 if (strchr(msg->cm_fields['A'], '@')) {
3393 *strchr(msg->cm_fields['A'], '@') = 0;
3397 msg->cm_fields['A'] = strdup("Citadel");
3400 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3401 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3402 msg->cm_fields['N'] = strdup(NODENAME);
3404 msg->cm_fields['R'] = strdup(to);
3405 recp = validate_recipients(to, NULL, 0);
3407 if (subject != NULL) {
3408 msg->cm_fields['U'] = strdup(subject);
3410 msg->cm_fields['M'] = strdup(text);
3412 CtdlSubmitMsg(msg, recp, room, 0);
3413 CtdlFreeMessage(msg);
3414 if (recp != NULL) free_recipients(recp);
3420 * Back end function used by CtdlMakeMessage() and similar functions
3422 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3424 size_t maxlen, /* maximum message length */
3425 char *exist, /* if non-null, append to it;
3426 exist is ALWAYS freed */
3427 int crlf, /* CRLF newlines instead of LF */
3428 int *sock /* socket handle or 0 for this session's client socket */
3437 LineBuf = NewStrBufPlain(NULL, SIZ);
3438 if (exist == NULL) {
3439 Message = NewStrBufPlain(NULL, 4 * SIZ);
3442 Message = NewStrBufPlain(exist, -1);
3446 /* Do we need to change leading ".." to "." for SMTP escaping? */
3447 if ((tlen == 1) && (*terminator == '.')) {
3451 /* read in the lines of message text one by one */
3454 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3459 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3461 if ((StrLength(LineBuf) == tlen) &&
3462 (!strcmp(ChrPtr(LineBuf), terminator)))
3465 if ( (!flushing) && (!finished) ) {
3467 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3470 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3473 /* Unescape SMTP-style input of two dots at the beginning of the line */
3475 (StrLength(LineBuf) == 2) &&
3476 (!strcmp(ChrPtr(LineBuf), "..")))
3478 StrBufCutLeft(LineBuf, 1);
3481 StrBufAppendBuf(Message, LineBuf, 0);
3484 /* if we've hit the max msg length, flush the rest */
3485 if (StrLength(Message) >= maxlen) flushing = 1;
3487 } while (!finished);
3488 FreeStrBuf(&LineBuf);
3494 * Back end function used by CtdlMakeMessage() and similar functions
3496 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3498 size_t maxlen, /* maximum message length */
3499 char *exist, /* if non-null, append to it;
3500 exist is ALWAYS freed */
3501 int crlf, /* CRLF newlines instead of LF */
3502 int *sock /* socket handle or 0 for this session's client socket */
3507 Message = CtdlReadMessageBodyBuf(terminator,
3513 if (Message == NULL)
3516 return SmashStrBuf(&Message);
3521 * Build a binary message to be saved on disk.
3522 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3523 * will become part of the message. This means you are no longer
3524 * responsible for managing that memory -- it will be freed along with
3525 * the rest of the fields when CtdlFreeMessage() is called.)
3528 struct CtdlMessage *CtdlMakeMessage(
3529 struct ctdluser *author, /* author's user structure */
3530 char *recipient, /* NULL if it's not mail */
3531 char *recp_cc, /* NULL if it's not mail */
3532 char *room, /* room where it's going */
3533 int type, /* see MES_ types in header file */
3534 int format_type, /* variformat, plain text, MIME... */
3535 char *fake_name, /* who we're masquerading as */
3536 char *my_email, /* which of my email addresses to use (empty is ok) */
3537 char *subject, /* Subject (optional) */
3538 char *supplied_euid, /* ...or NULL if this is irrelevant */
3539 char *preformatted_text, /* ...or NULL to read text from client */
3540 char *references /* Thread references */
3542 char dest_node[256];
3544 struct CtdlMessage *msg;
3546 StrBuf *FakeEncAuthor = NULL;
3548 msg = malloc(sizeof(struct CtdlMessage));
3549 memset(msg, 0, sizeof(struct CtdlMessage));
3550 msg->cm_magic = CTDLMESSAGE_MAGIC;
3551 msg->cm_anon_type = type;
3552 msg->cm_format_type = format_type;
3554 /* Don't confuse the poor folks if it's not routed mail. */
3555 strcpy(dest_node, "");
3557 if (recipient != NULL) striplt(recipient);
3558 if (recp_cc != NULL) striplt(recp_cc);
3560 /* Path or Return-Path */
3561 if (my_email == NULL) my_email = "";
3563 if (!IsEmptyStr(my_email)) {
3564 msg->cm_fields['P'] = strdup(my_email);
3567 snprintf(buf, sizeof buf, "%s", author->fullname);
3568 msg->cm_fields['P'] = strdup(buf);
3570 convert_spaces_to_underscores(msg->cm_fields['P']);
3572 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3573 msg->cm_fields['T'] = strdup(buf);
3575 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3576 FakeAuthor = NewStrBufPlain (fake_name, -1);
3579 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3581 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3582 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3583 FreeStrBuf(&FakeAuthor);
3585 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3586 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3589 msg->cm_fields['O'] = strdup(CC->room.QRname);
3592 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3593 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3595 if ((recipient != NULL) && (recipient[0] != 0)) {
3596 msg->cm_fields['R'] = strdup(recipient);
3598 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3599 msg->cm_fields['Y'] = strdup(recp_cc);
3601 if (dest_node[0] != 0) {
3602 msg->cm_fields['D'] = strdup(dest_node);
3605 if (!IsEmptyStr(my_email)) {
3606 msg->cm_fields['F'] = strdup(my_email);
3608 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3609 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3612 if (subject != NULL) {
3615 length = strlen(subject);
3621 while ((subject[i] != '\0') &&
3622 (IsAscii = isascii(subject[i]) != 0 ))
3625 msg->cm_fields['U'] = strdup(subject);
3626 else /* ok, we've got utf8 in the string. */
3628 msg->cm_fields['U'] = rfc2047encode(subject, length);
3634 if (supplied_euid != NULL) {
3635 msg->cm_fields['E'] = strdup(supplied_euid);
3638 if (references != NULL) {
3639 if (!IsEmptyStr(references)) {
3640 msg->cm_fields['W'] = strdup(references);
3644 if (preformatted_text != NULL) {
3645 msg->cm_fields['M'] = preformatted_text;
3648 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3656 * Check to see whether we have permission to post a message in the current
3657 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3658 * returns 0 on success.
3660 int CtdlDoIHavePermissionToPostInThisRoom(
3663 const char* RemoteIdentifier,
3669 if (!(CC->logged_in) &&
3670 (PostPublic == POST_LOGGED_IN)) {
3671 snprintf(errmsgbuf, n, "Not logged in.");
3672 return (ERROR + NOT_LOGGED_IN);
3674 else if (PostPublic == CHECK_EXISTANCE) {
3675 return (0); // We're Evaling whether a recipient exists
3677 else if (!(CC->logged_in)) {
3679 if ((CC->room.QRflags & QR_READONLY)) {
3680 snprintf(errmsgbuf, n, "Not logged in.");
3681 return (ERROR + NOT_LOGGED_IN);
3683 if (CC->room.QRflags2 & QR2_MODERATED) {
3684 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3685 return (ERROR + NOT_LOGGED_IN);
3687 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3692 if (RemoteIdentifier == NULL)
3694 snprintf(errmsgbuf, n, "Need sender to permit access.");
3695 return (ERROR + USERNAME_REQUIRED);
3698 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3699 begin_critical_section(S_NETCONFIGS);
3700 if (!read_spoolcontrol_file(&sc, filename))
3702 end_critical_section(S_NETCONFIGS);
3703 snprintf(errmsgbuf, n,
3704 "This mailing list only accepts posts from subscribers.");
3705 return (ERROR + NO_SUCH_USER);
3707 end_critical_section(S_NETCONFIGS);
3708 found = is_recipient (sc, RemoteIdentifier);
3709 free_spoolcontrol_struct(&sc);
3714 snprintf(errmsgbuf, n,
3715 "This mailing list only accepts posts from subscribers.");
3716 return (ERROR + NO_SUCH_USER);
3723 if ((CC->user.axlevel < AxProbU)
3724 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3725 snprintf(errmsgbuf, n, "Need to be validated to enter "
3726 "(except in %s> to sysop)", MAILROOM);
3727 return (ERROR + HIGHER_ACCESS_REQUIRED);
3730 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3732 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3734 * To be thorough, we ought to check to see if the message they are
3735 * replying to is actually a valid one in this room, but unless this
3736 * actually becomes a problem we'll go with high performance instead.
3738 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3739 return (ERROR + HIGHER_ACCESS_REQUIRED);
3742 else if (!(ra & UA_POSTALLOWED)) {
3743 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3744 return (ERROR + HIGHER_ACCESS_REQUIRED);
3747 strcpy(errmsgbuf, "Ok");
3753 * Check to see if the specified user has Internet mail permission
3754 * (returns nonzero if permission is granted)
3756 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3758 /* Do not allow twits to send Internet mail */
3759 if (who->axlevel <= AxProbU) return(0);
3761 /* Globally enabled? */
3762 if (config.c_restrict == 0) return(1);
3764 /* User flagged ok? */
3765 if (who->flags & US_INTERNET) return(2);
3767 /* Aide level access? */
3768 if (who->axlevel >= AxAideU) return(3);
3770 /* No mail for you! */
3776 * Validate recipients, count delivery types and errors, and handle aliasing
3777 * FIXME check for dupes!!!!!
3779 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3780 * were specified, or the number of addresses found invalid.
3782 * Caller needs to free the result using free_recipients()
3784 struct recptypes *validate_recipients(const char *supplied_recipients,
3785 const char *RemoteIdentifier,
3787 struct recptypes *ret;
3788 char *recipients = NULL;
3789 char this_recp[256];
3790 char this_recp_cooked[256];
3796 struct ctdluser tempUS;
3797 struct ctdlroom tempQR;
3798 struct ctdlroom tempQR2;
3804 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3805 if (ret == NULL) return(NULL);
3807 /* Set all strings to null and numeric values to zero */
3808 memset(ret, 0, sizeof(struct recptypes));
3810 if (supplied_recipients == NULL) {
3811 recipients = strdup("");
3814 recipients = strdup(supplied_recipients);
3817 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3818 * actually need, but it's healthier for the heap than doing lots of tiny
3819 * realloc() calls instead.
3822 ret->errormsg = malloc(strlen(recipients) + 1024);
3823 ret->recp_local = malloc(strlen(recipients) + 1024);
3824 ret->recp_internet = malloc(strlen(recipients) + 1024);
3825 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3826 ret->recp_room = malloc(strlen(recipients) + 1024);
3827 ret->display_recp = malloc(strlen(recipients) + 1024);
3829 ret->errormsg[0] = 0;
3830 ret->recp_local[0] = 0;
3831 ret->recp_internet[0] = 0;
3832 ret->recp_ignet[0] = 0;
3833 ret->recp_room[0] = 0;
3834 ret->display_recp[0] = 0;
3836 ret->recptypes_magic = RECPTYPES_MAGIC;
3838 /* Change all valid separator characters to commas */
3839 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3840 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3841 recipients[i] = ',';
3845 /* Now start extracting recipients... */
3847 while (!IsEmptyStr(recipients)) {
3849 for (i=0; i<=strlen(recipients); ++i) {
3850 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3851 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3852 safestrncpy(this_recp, recipients, i+1);
3854 if (recipients[i] == ',') {
3855 strcpy(recipients, &recipients[i+1]);
3858 strcpy(recipients, "");
3865 if (IsEmptyStr(this_recp))
3867 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3869 mailtype = alias(this_recp);
3870 mailtype = alias(this_recp);
3871 mailtype = alias(this_recp);
3873 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3874 if (this_recp[j]=='_') {
3875 this_recp_cooked[j] = ' ';
3878 this_recp_cooked[j] = this_recp[j];
3881 this_recp_cooked[j] = '\0';
3886 if (!strcasecmp(this_recp, "sysop")) {
3888 strcpy(this_recp, config.c_aideroom);
3889 if (!IsEmptyStr(ret->recp_room)) {
3890 strcat(ret->recp_room, "|");
3892 strcat(ret->recp_room, this_recp);
3894 else if ( (!strncasecmp(this_recp, "room_", 5))
3895 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3897 /* Save room so we can restore it later */
3901 /* Check permissions to send mail to this room */
3902 err = CtdlDoIHavePermissionToPostInThisRoom(
3907 0 /* 0 = not a reply */
3916 if (!IsEmptyStr(ret->recp_room)) {
3917 strcat(ret->recp_room, "|");
3919 strcat(ret->recp_room, &this_recp_cooked[5]);
3922 /* Restore room in case something needs it */
3926 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3928 strcpy(this_recp, tempUS.fullname);
3929 if (!IsEmptyStr(ret->recp_local)) {
3930 strcat(ret->recp_local, "|");
3932 strcat(ret->recp_local, this_recp);
3934 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3936 strcpy(this_recp, tempUS.fullname);
3937 if (!IsEmptyStr(ret->recp_local)) {
3938 strcat(ret->recp_local, "|");
3940 strcat(ret->recp_local, this_recp);
3948 /* Yes, you're reading this correctly: if the target
3949 * domain points back to the local system or an attached
3950 * Citadel directory, the address is invalid. That's
3951 * because if the address were valid, we would have
3952 * already translated it to a local address by now.
3954 if (IsDirectory(this_recp, 0)) {
3959 ++ret->num_internet;
3960 if (!IsEmptyStr(ret->recp_internet)) {
3961 strcat(ret->recp_internet, "|");
3963 strcat(ret->recp_internet, this_recp);
3968 if (!IsEmptyStr(ret->recp_ignet)) {
3969 strcat(ret->recp_ignet, "|");
3971 strcat(ret->recp_ignet, this_recp);
3979 if (IsEmptyStr(errmsg)) {
3980 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
3983 snprintf(append, sizeof append, "%s", errmsg);
3985 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
3986 if (!IsEmptyStr(ret->errormsg)) {
3987 strcat(ret->errormsg, "; ");
3989 strcat(ret->errormsg, append);
3993 if (IsEmptyStr(ret->display_recp)) {
3994 strcpy(append, this_recp);
3997 snprintf(append, sizeof append, ", %s", this_recp);
3999 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4000 strcat(ret->display_recp, append);
4005 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4006 ret->num_room + ret->num_error) == 0) {
4007 ret->num_error = (-1);
4008 strcpy(ret->errormsg, "No recipients specified.");
4011 syslog(LOG_DEBUG, "validate_recipients()\n");
4012 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4013 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4014 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4015 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4016 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4024 * Destructor for struct recptypes
4026 void free_recipients(struct recptypes *valid) {
4028 if (valid == NULL) {
4032 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4033 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4037 if (valid->errormsg != NULL) free(valid->errormsg);
4038 if (valid->recp_local != NULL) free(valid->recp_local);
4039 if (valid->recp_internet != NULL) free(valid->recp_internet);
4040 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4041 if (valid->recp_room != NULL) free(valid->recp_room);
4042 if (valid->display_recp != NULL) free(valid->display_recp);
4043 if (valid->bounce_to != NULL) free(valid->bounce_to);
4044 if (valid->envelope_from != NULL) free(valid->envelope_from);
4051 * message entry - mode 0 (normal)
4053 void cmd_ent0(char *entargs)
4059 char supplied_euid[128];
4061 int format_type = 0;
4062 char newusername[256];
4063 char newuseremail[256];
4064 struct CtdlMessage *msg;
4068 struct recptypes *valid = NULL;
4069 struct recptypes *valid_to = NULL;
4070 struct recptypes *valid_cc = NULL;
4071 struct recptypes *valid_bcc = NULL;
4073 int subject_required = 0;
4078 int newuseremail_ok = 0;
4079 char references[SIZ];
4084 post = extract_int(entargs, 0);
4085 extract_token(recp, entargs, 1, '|', sizeof recp);
4086 anon_flag = extract_int(entargs, 2);
4087 format_type = extract_int(entargs, 3);
4088 extract_token(subject, entargs, 4, '|', sizeof subject);
4089 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4090 do_confirm = extract_int(entargs, 6);
4091 extract_token(cc, entargs, 7, '|', sizeof cc);
4092 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4093 switch(CC->room.QRdefaultview) {
4096 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4099 supplied_euid[0] = 0;
4102 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4103 extract_token(references, entargs, 11, '|', sizeof references);
4104 for (ptr=references; *ptr != 0; ++ptr) {
4105 if (*ptr == '!') *ptr = '|';
4108 /* first check to make sure the request is valid. */
4110 err = CtdlDoIHavePermissionToPostInThisRoom(
4115 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4119 cprintf("%d %s\n", err, errmsg);
4123 /* Check some other permission type things. */
4125 if (IsEmptyStr(newusername)) {
4126 strcpy(newusername, CC->user.fullname);
4128 if ( (CC->user.axlevel < AxAideU)
4129 && (strcasecmp(newusername, CC->user.fullname))
4130 && (strcasecmp(newusername, CC->cs_inet_fn))
4132 cprintf("%d You don't have permission to author messages as '%s'.\n",
4133 ERROR + HIGHER_ACCESS_REQUIRED,
4140 if (IsEmptyStr(newuseremail)) {
4141 newuseremail_ok = 1;
4144 if (!IsEmptyStr(newuseremail)) {
4145 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4146 newuseremail_ok = 1;
4148 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4149 j = num_tokens(CC->cs_inet_other_emails, '|');
4150 for (i=0; i<j; ++i) {
4151 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4152 if (!strcasecmp(newuseremail, buf)) {
4153 newuseremail_ok = 1;
4159 if (!newuseremail_ok) {
4160 cprintf("%d You don't have permission to author messages as '%s'.\n",
4161 ERROR + HIGHER_ACCESS_REQUIRED,
4167 CC->cs_flags |= CS_POSTING;
4169 /* In mailbox rooms we have to behave a little differently --
4170 * make sure the user has specified at least one recipient. Then
4171 * validate the recipient(s). We do this for the Mail> room, as
4172 * well as any room which has the "Mailbox" view set - unless it
4173 * is the DRAFTS room which does not require recipients
4176 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4177 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4178 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4179 if (CC->user.axlevel < AxProbU) {
4180 strcpy(recp, "sysop");
4185 valid_to = validate_recipients(recp, NULL, 0);
4186 if (valid_to->num_error > 0) {
4187 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4188 free_recipients(valid_to);
4192 valid_cc = validate_recipients(cc, NULL, 0);
4193 if (valid_cc->num_error > 0) {
4194 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4195 free_recipients(valid_to);
4196 free_recipients(valid_cc);
4200 valid_bcc = validate_recipients(bcc, NULL, 0);
4201 if (valid_bcc->num_error > 0) {
4202 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4203 free_recipients(valid_to);
4204 free_recipients(valid_cc);
4205 free_recipients(valid_bcc);
4209 /* Recipient required, but none were specified */
4210 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4211 free_recipients(valid_to);
4212 free_recipients(valid_cc);
4213 free_recipients(valid_bcc);
4214 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4218 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4219 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4220 cprintf("%d You do not have permission "
4221 "to send Internet mail.\n",
4222 ERROR + HIGHER_ACCESS_REQUIRED);
4223 free_recipients(valid_to);
4224 free_recipients(valid_cc);
4225 free_recipients(valid_bcc);
4230 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)
4231 && (CC->user.axlevel < AxNetU) ) {
4232 cprintf("%d Higher access required for network mail.\n",
4233 ERROR + HIGHER_ACCESS_REQUIRED);
4234 free_recipients(valid_to);
4235 free_recipients(valid_cc);
4236 free_recipients(valid_bcc);
4240 if ((RESTRICT_INTERNET == 1)
4241 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4242 && ((CC->user.flags & US_INTERNET) == 0)
4243 && (!CC->internal_pgm)) {
4244 cprintf("%d You don't have access to Internet mail.\n",
4245 ERROR + HIGHER_ACCESS_REQUIRED);
4246 free_recipients(valid_to);
4247 free_recipients(valid_cc);
4248 free_recipients(valid_bcc);
4254 /* Is this a room which has anonymous-only or anonymous-option? */
4255 anonymous = MES_NORMAL;
4256 if (CC->room.QRflags & QR_ANONONLY) {
4257 anonymous = MES_ANONONLY;
4259 if (CC->room.QRflags & QR_ANONOPT) {
4260 if (anon_flag == 1) { /* only if the user requested it */
4261 anonymous = MES_ANONOPT;
4265 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4269 /* Recommend to the client that the use of a message subject is
4270 * strongly recommended in this room, if either the SUBJECTREQ flag
4271 * is set, or if there is one or more Internet email recipients.
4273 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4274 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4275 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4276 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4278 /* If we're only checking the validity of the request, return
4279 * success without creating the message.
4282 cprintf("%d %s|%d\n", CIT_OK,
4283 ((valid_to != NULL) ? valid_to->display_recp : ""),
4285 free_recipients(valid_to);
4286 free_recipients(valid_cc);
4287 free_recipients(valid_bcc);
4291 /* We don't need these anymore because we'll do it differently below */
4292 free_recipients(valid_to);
4293 free_recipients(valid_cc);
4294 free_recipients(valid_bcc);
4296 /* Read in the message from the client. */
4298 cprintf("%d send message\n", START_CHAT_MODE);
4300 cprintf("%d send message\n", SEND_LISTING);
4303 msg = CtdlMakeMessage(&CC->user, recp, cc,
4304 CC->room.QRname, anonymous, format_type,
4305 newusername, newuseremail, subject,
4306 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4309 /* Put together one big recipients struct containing to/cc/bcc all in
4310 * one. This is for the envelope.
4312 char *all_recps = malloc(SIZ * 3);
4313 strcpy(all_recps, recp);
4314 if (!IsEmptyStr(cc)) {
4315 if (!IsEmptyStr(all_recps)) {
4316 strcat(all_recps, ",");
4318 strcat(all_recps, cc);
4320 if (!IsEmptyStr(bcc)) {
4321 if (!IsEmptyStr(all_recps)) {
4322 strcat(all_recps, ",");
4324 strcat(all_recps, bcc);
4326 if (!IsEmptyStr(all_recps)) {
4327 valid = validate_recipients(all_recps, NULL, 0);
4335 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4338 cprintf("%ld\n", msgnum);
4340 cprintf("Message accepted.\n");
4343 cprintf("Internal error.\n");
4345 if (msg->cm_fields['E'] != NULL) {
4346 cprintf("%s\n", msg->cm_fields['E']);
4353 CtdlFreeMessage(msg);
4355 if (valid != NULL) {
4356 free_recipients(valid);
4364 * API function to delete messages which match a set of criteria
4365 * (returns the actual number of messages deleted)
4367 int CtdlDeleteMessages(char *room_name, /* which room */
4368 long *dmsgnums, /* array of msg numbers to be deleted */
4369 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4370 char *content_type /* or "" for any. regular expressions expected. */
4373 struct ctdlroom qrbuf;
4374 struct cdbdata *cdbfr;
4375 long *msglist = NULL;
4376 long *dellist = NULL;
4379 int num_deleted = 0;
4381 struct MetaData smi;
4384 int need_to_free_re = 0;
4386 if (content_type) if (!IsEmptyStr(content_type)) {
4387 regcomp(&re, content_type, 0);
4388 need_to_free_re = 1;
4390 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4391 room_name, num_dmsgnums, content_type);
4393 /* get room record, obtaining a lock... */
4394 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4395 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4397 if (need_to_free_re) regfree(&re);
4398 return (0); /* room not found */
4400 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4402 if (cdbfr != NULL) {
4403 dellist = malloc(cdbfr->len);
4404 msglist = (long *) cdbfr->ptr;
4405 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4406 num_msgs = cdbfr->len / sizeof(long);
4410 for (i = 0; i < num_msgs; ++i) {
4413 /* Set/clear a bit for each criterion */
4415 /* 0 messages in the list or a null list means that we are
4416 * interested in deleting any messages which meet the other criteria.
4418 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4419 delete_this |= 0x01;
4422 for (j=0; j<num_dmsgnums; ++j) {
4423 if (msglist[i] == dmsgnums[j]) {
4424 delete_this |= 0x01;
4429 if (IsEmptyStr(content_type)) {
4430 delete_this |= 0x02;
4432 GetMetaData(&smi, msglist[i]);
4433 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4434 delete_this |= 0x02;
4438 /* Delete message only if all bits are set */
4439 if (delete_this == 0x03) {
4440 dellist[num_deleted++] = msglist[i];
4445 num_msgs = sort_msglist(msglist, num_msgs);
4446 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4447 msglist, (int)(num_msgs * sizeof(long)));
4450 qrbuf.QRhighest = msglist[num_msgs - 1];
4452 qrbuf.QRhighest = 0;
4454 CtdlPutRoomLock(&qrbuf);
4456 /* Go through the messages we pulled out of the index, and decrement
4457 * their reference counts by 1. If this is the only room the message
4458 * was in, the reference count will reach zero and the message will
4459 * automatically be deleted from the database. We do this in a
4460 * separate pass because there might be plug-in hooks getting called,
4461 * and we don't want that happening during an S_ROOMS critical
4464 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4465 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4466 AdjRefCount(dellist[i], -1);
4469 /* Now free the memory we used, and go away. */
4470 if (msglist != NULL) free(msglist);
4471 if (dellist != NULL) free(dellist);
4472 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4473 if (need_to_free_re) regfree(&re);
4474 return (num_deleted);
4480 * Check whether the current user has permission to delete messages from
4481 * the current room (returns 1 for yes, 0 for no)
4483 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4485 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4486 if (ra & UA_DELETEALLOWED) return(1);
4494 * Delete message from current room
4496 void cmd_dele(char *args)
4505 extract_token(msgset, args, 0, '|', sizeof msgset);
4506 num_msgs = num_tokens(msgset, ',');
4508 cprintf("%d Nothing to do.\n", CIT_OK);
4512 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4513 cprintf("%d Higher access required.\n",
4514 ERROR + HIGHER_ACCESS_REQUIRED);
4519 * Build our message set to be moved/copied
4521 msgs = malloc(num_msgs * sizeof(long));
4522 for (i=0; i<num_msgs; ++i) {
4523 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4524 msgs[i] = atol(msgtok);
4527 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4531 cprintf("%d %d message%s deleted.\n", CIT_OK,
4532 num_deleted, ((num_deleted != 1) ? "s" : ""));
4534 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4542 * move or copy a message to another room
4544 void cmd_move(char *args)
4551 char targ[ROOMNAMELEN];
4552 struct ctdlroom qtemp;
4559 extract_token(msgset, args, 0, '|', sizeof msgset);
4560 num_msgs = num_tokens(msgset, ',');
4562 cprintf("%d Nothing to do.\n", CIT_OK);
4566 extract_token(targ, args, 1, '|', sizeof targ);
4567 convert_room_name_macros(targ, sizeof targ);
4568 targ[ROOMNAMELEN - 1] = 0;
4569 is_copy = extract_int(args, 2);
4571 if (CtdlGetRoom(&qtemp, targ) != 0) {
4572 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4576 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4577 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4581 CtdlGetUser(&CC->user, CC->curr_user);
4582 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4584 /* Check for permission to perform this operation.
4585 * Remember: "CC->room" is source, "qtemp" is target.
4589 /* Aides can move/copy */
4590 if (CC->user.axlevel >= AxAideU) permit = 1;
4592 /* Room aides can move/copy */
4593 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4595 /* Permit move/copy from personal rooms */
4596 if ((CC->room.QRflags & QR_MAILBOX)
4597 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4599 /* Permit only copy from public to personal room */
4601 && (!(CC->room.QRflags & QR_MAILBOX))
4602 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4604 /* Permit message removal from collaborative delete rooms */
4605 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4607 /* Users allowed to post into the target room may move into it too. */
4608 if ((CC->room.QRflags & QR_MAILBOX) &&
4609 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4611 /* User must have access to target room */
4612 if (!(ra & UA_KNOWN)) permit = 0;
4615 cprintf("%d Higher access required.\n",
4616 ERROR + HIGHER_ACCESS_REQUIRED);
4621 * Build our message set to be moved/copied
4623 msgs = malloc(num_msgs * sizeof(long));
4624 for (i=0; i<num_msgs; ++i) {
4625 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4626 msgs[i] = atol(msgtok);
4632 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4634 cprintf("%d Cannot store message(s) in %s: error %d\n",
4640 /* Now delete the message from the source room,
4641 * if this is a 'move' rather than a 'copy' operation.
4644 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4648 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4654 * GetMetaData() - Get the supplementary record for a message
4656 void GetMetaData(struct MetaData *smibuf, long msgnum)
4659 struct cdbdata *cdbsmi;
4662 memset(smibuf, 0, sizeof(struct MetaData));
4663 smibuf->meta_msgnum = msgnum;
4664 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4666 /* Use the negative of the message number for its supp record index */
4667 TheIndex = (0L - msgnum);
4669 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4670 if (cdbsmi == NULL) {
4671 return; /* record not found; go with defaults */
4673 memcpy(smibuf, cdbsmi->ptr,
4674 ((cdbsmi->len > sizeof(struct MetaData)) ?
4675 sizeof(struct MetaData) : cdbsmi->len));
4682 * PutMetaData() - (re)write supplementary record for a message
4684 void PutMetaData(struct MetaData *smibuf)
4688 /* Use the negative of the message number for the metadata db index */
4689 TheIndex = (0L - smibuf->meta_msgnum);
4691 cdb_store(CDB_MSGMAIN,
4692 &TheIndex, (int)sizeof(long),
4693 smibuf, (int)sizeof(struct MetaData));
4698 * AdjRefCount - submit an adjustment to the reference count for a message.
4699 * (These are just queued -- we actually process them later.)
4701 void AdjRefCount(long msgnum, int incr)
4703 struct arcq new_arcq;
4706 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4710 begin_critical_section(S_SUPPMSGMAIN);
4711 if (arcfp == NULL) {
4712 arcfp = fopen(file_arcq, "ab+");
4714 end_critical_section(S_SUPPMSGMAIN);
4716 /* msgnum < 0 means that we're trying to close the file */
4718 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4719 begin_critical_section(S_SUPPMSGMAIN);
4720 if (arcfp != NULL) {
4724 end_critical_section(S_SUPPMSGMAIN);
4729 * If we can't open the queue, perform the operation synchronously.
4731 if (arcfp == NULL) {
4732 TDAP_AdjRefCount(msgnum, incr);
4736 new_arcq.arcq_msgnum = msgnum;
4737 new_arcq.arcq_delta = incr;
4738 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4746 * TDAP_ProcessAdjRefCountQueue()
4748 * Process the queue of message count adjustments that was created by calls
4749 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4750 * for each one. This should be an "off hours" operation.
4752 int TDAP_ProcessAdjRefCountQueue(void)
4754 char file_arcq_temp[PATH_MAX];
4757 struct arcq arcq_rec;
4758 int num_records_processed = 0;
4760 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4762 begin_critical_section(S_SUPPMSGMAIN);
4763 if (arcfp != NULL) {
4768 r = link(file_arcq, file_arcq_temp);
4770 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4771 end_critical_section(S_SUPPMSGMAIN);
4772 return(num_records_processed);
4776 end_critical_section(S_SUPPMSGMAIN);
4778 fp = fopen(file_arcq_temp, "rb");
4780 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4781 return(num_records_processed);
4784 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4785 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4786 ++num_records_processed;
4790 r = unlink(file_arcq_temp);
4792 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4795 return(num_records_processed);
4801 * TDAP_AdjRefCount - adjust the reference count for a message.
4802 * This one does it "for real" because it's called by
4803 * the autopurger function that processes the queue
4804 * created by AdjRefCount(). If a message's reference
4805 * count becomes zero, we also delete the message from
4806 * disk and de-index it.
4808 void TDAP_AdjRefCount(long msgnum, int incr)
4811 struct MetaData smi;
4814 /* This is a *tight* critical section; please keep it that way, as
4815 * it may get called while nested in other critical sections.
4816 * Complicating this any further will surely cause deadlock!
4818 begin_critical_section(S_SUPPMSGMAIN);
4819 GetMetaData(&smi, msgnum);
4820 smi.meta_refcount += incr;
4822 end_critical_section(S_SUPPMSGMAIN);
4823 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4824 msgnum, incr, smi.meta_refcount
4827 /* If the reference count is now zero, delete the message
4828 * (and its supplementary record as well).
4830 if (smi.meta_refcount == 0) {
4831 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4833 /* Call delete hooks with NULL room to show it has gone altogether */
4834 PerformDeleteHooks(NULL, msgnum);
4836 /* Remove from message base */
4838 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4839 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4841 /* Remove metadata record */
4842 delnum = (0L - msgnum);
4843 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4849 * Write a generic object to this room
4851 * Note: this could be much more efficient. Right now we use two temporary
4852 * files, and still pull the message into memory as with all others.
4854 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4855 char *content_type, /* MIME type of this object */
4856 char *raw_message, /* Data to be written */
4857 off_t raw_length, /* Size of raw_message */
4858 struct ctdluser *is_mailbox, /* Mailbox room? */
4859 int is_binary, /* Is encoding necessary? */
4860 int is_unique, /* Del others of this type? */
4861 unsigned int flags /* Internal save flags */
4865 struct ctdlroom qrbuf;
4866 char roomname[ROOMNAMELEN];
4867 struct CtdlMessage *msg;
4868 char *encoded_message = NULL;
4870 if (is_mailbox != NULL) {
4871 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4874 safestrncpy(roomname, req_room, sizeof(roomname));
4877 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4880 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4883 encoded_message = malloc((size_t)(raw_length + 4096));
4886 sprintf(encoded_message, "Content-type: %s\n", content_type);
4889 sprintf(&encoded_message[strlen(encoded_message)],
4890 "Content-transfer-encoding: base64\n\n"
4894 sprintf(&encoded_message[strlen(encoded_message)],
4895 "Content-transfer-encoding: 7bit\n\n"
4901 &encoded_message[strlen(encoded_message)],
4909 &encoded_message[strlen(encoded_message)],
4915 syslog(LOG_DEBUG, "Allocating\n");
4916 msg = malloc(sizeof(struct CtdlMessage));
4917 memset(msg, 0, sizeof(struct CtdlMessage));
4918 msg->cm_magic = CTDLMESSAGE_MAGIC;
4919 msg->cm_anon_type = MES_NORMAL;
4920 msg->cm_format_type = 4;
4921 msg->cm_fields['A'] = strdup(CC->user.fullname);
4922 msg->cm_fields['O'] = strdup(req_room);
4923 msg->cm_fields['N'] = strdup(config.c_nodename);
4924 msg->cm_fields['H'] = strdup(config.c_humannode);
4925 msg->cm_flags = flags;
4927 msg->cm_fields['M'] = encoded_message;
4929 /* Create the requested room if we have to. */
4930 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4931 CtdlCreateRoom(roomname,
4932 ( (is_mailbox != NULL) ? 5 : 3 ),
4933 "", 0, 1, 0, VIEW_BBS);
4935 /* If the caller specified this object as unique, delete all
4936 * other objects of this type that are currently in the room.
4939 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
4940 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4943 /* Now write the data */
4944 CtdlSubmitMsg(msg, NULL, roomname, 0);
4945 CtdlFreeMessage(msg);
4953 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4954 config_msgnum = msgnum;
4958 char *CtdlGetSysConfig(char *sysconfname) {
4959 char hold_rm[ROOMNAMELEN];
4962 struct CtdlMessage *msg;
4965 strcpy(hold_rm, CC->room.QRname);
4966 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4967 CtdlGetRoom(&CC->room, hold_rm);
4972 /* We want the last (and probably only) config in this room */
4973 begin_critical_section(S_CONFIG);
4974 config_msgnum = (-1L);
4975 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4976 CtdlGetSysConfigBackend, NULL);
4977 msgnum = config_msgnum;
4978 end_critical_section(S_CONFIG);
4984 msg = CtdlFetchMessage(msgnum, 1);
4986 conf = strdup(msg->cm_fields['M']);
4987 CtdlFreeMessage(msg);
4994 CtdlGetRoom(&CC->room, hold_rm);
4996 if (conf != NULL) do {
4997 extract_token(buf, conf, 0, '\n', sizeof buf);
4998 strcpy(conf, &conf[strlen(buf)+1]);
4999 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5005 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5006 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5011 * Determine whether a given Internet address belongs to the current user
5013 int CtdlIsMe(char *addr, int addr_buf_len)
5015 struct recptypes *recp;
5018 recp = validate_recipients(addr, NULL, 0);
5019 if (recp == NULL) return(0);
5021 if (recp->num_local == 0) {
5022 free_recipients(recp);
5026 for (i=0; i<recp->num_local; ++i) {
5027 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5028 if (!strcasecmp(addr, CC->user.fullname)) {
5029 free_recipients(recp);
5034 free_recipients(recp);
5040 * Citadel protocol command to do the same
5042 void cmd_isme(char *argbuf) {
5045 if (CtdlAccessCheck(ac_logged_in)) return;
5046 extract_token(addr, argbuf, 0, '|', sizeof addr);
5048 if (CtdlIsMe(addr, sizeof addr)) {
5049 cprintf("%d %s\n", CIT_OK, addr);
5052 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5058 /*****************************************************************************/
5059 /* MODULE INITIALIZATION STUFF */
5060 /*****************************************************************************/
5062 CTDL_MODULE_INIT(msgbase)
5065 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5066 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5067 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5068 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5069 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5070 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5071 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5072 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5073 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5074 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5075 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5076 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5079 /* return our Subversion id for the Log */