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 * Now begin the traversal.
650 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
652 /* If the caller is looking for a specific MIME type, filter
653 * out all messages which are not of the type requested.
655 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
657 /* This call to GetMetaData() sits inside this loop
658 * so that we only do the extra database read per msg
659 * if we need to. Doing the extra read all the time
660 * really kills the server. If we ever need to use
661 * metadata for another search criterion, we need to
662 * move the read somewhere else -- but still be smart
663 * enough to only do the read if the caller has
664 * specified something that will need it.
666 GetMetaData(&smi, msglist[a]);
668 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
669 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
675 num_msgs = sort_msglist(msglist, num_msgs);
677 /* If a template was supplied, filter out the messages which
678 * don't match. (This could induce some delays!)
681 if (compare != NULL) {
682 for (a = 0; a < num_msgs; ++a) {
683 msg = CtdlFetchMessage(msglist[a], 1);
685 if (CtdlMsgCmp(msg, compare)) {
688 CtdlFreeMessage(msg);
694 /* If a search string was specified, get a message list from
695 * the full text index and remove messages which aren't on both
699 * Since the lists are sorted and strictly ascending, and the
700 * output list is guaranteed to be shorter than or equal to the
701 * input list, we overwrite the bottom of the input list. This
702 * eliminates the need to memmove big chunks of the list over and
705 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
707 /* Call search module via hook mechanism.
708 * NULL means use any search function available.
709 * otherwise replace with a char * to name of search routine
711 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
713 if (num_search_msgs > 0) {
717 orig_num_msgs = num_msgs;
719 for (i=0; i<orig_num_msgs; ++i) {
720 for (j=0; j<num_search_msgs; ++j) {
721 if (msglist[i] == search_msgs[j]) {
722 msglist[num_msgs++] = msglist[i];
728 num_msgs = 0; /* No messages qualify */
730 if (search_msgs != NULL) free(search_msgs);
732 /* Now that we've purged messages which don't contain the search
733 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
740 * Now iterate through the message list, according to the
741 * criteria supplied by the caller.
744 for (a = 0; a < num_msgs; ++a) {
745 thismsg = msglist[a];
746 if (mode == MSGS_ALL) {
750 is_seen = is_msg_in_sequence_set(
751 vbuf.v_seen, thismsg);
752 if (is_seen) lastold = thismsg;
758 || ((mode == MSGS_OLD) && (is_seen))
759 || ((mode == MSGS_NEW) && (!is_seen))
760 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
761 || ((mode == MSGS_FIRST) && (a < ref))
762 || ((mode == MSGS_GT) && (thismsg > ref))
763 || ((mode == MSGS_LT) && (thismsg < ref))
764 || ((mode == MSGS_EQ) && (thismsg == ref))
767 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
769 CallBack(lastold, userdata);
773 if (CallBack) CallBack(thismsg, userdata);
777 if (need_to_free_re) regfree(&re);
780 * We cache the most recent msglist in order to do security checks later
782 if (CC->client_socket > 0) {
783 if (CC->cached_msglist != NULL) {
784 free(CC->cached_msglist);
786 CC->cached_msglist = msglist;
787 CC->cached_num_msgs = num_msgs;
793 return num_processed;
799 * cmd_msgs() - get list of message #'s in this room
800 * implements the MSGS server command using CtdlForEachMessage()
802 void cmd_msgs(char *cmdbuf)
811 int with_template = 0;
812 struct CtdlMessage *template = NULL;
813 char search_string[1024];
814 ForEachMsgCallback CallBack;
816 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
818 extract_token(which, cmdbuf, 0, '|', sizeof which);
819 cm_ref = extract_int(cmdbuf, 1);
820 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
821 with_template = extract_int(cmdbuf, 2);
822 switch (extract_int(cmdbuf, 3))
826 CallBack = simple_listing;
829 CallBack = headers_listing;
832 CallBack = headers_euid;
837 if (!strncasecmp(which, "OLD", 3))
839 else if (!strncasecmp(which, "NEW", 3))
841 else if (!strncasecmp(which, "FIRST", 5))
843 else if (!strncasecmp(which, "LAST", 4))
845 else if (!strncasecmp(which, "GT", 2))
847 else if (!strncasecmp(which, "LT", 2))
849 else if (!strncasecmp(which, "SEARCH", 6))
854 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
855 cprintf("%d Full text index is not enabled on this server.\n",
856 ERROR + CMD_NOT_SUPPORTED);
862 cprintf("%d Send template then receive message list\n",
864 template = (struct CtdlMessage *)
865 malloc(sizeof(struct CtdlMessage));
866 memset(template, 0, sizeof(struct CtdlMessage));
867 template->cm_magic = CTDLMESSAGE_MAGIC;
868 template->cm_anon_type = MES_NORMAL;
870 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
871 extract_token(tfield, buf, 0, '|', sizeof tfield);
872 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
873 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
874 if (!strcasecmp(tfield, msgkeys[i])) {
875 template->cm_fields[i] =
883 cprintf("%d \n", LISTING_FOLLOWS);
886 CtdlForEachMessage(mode,
887 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
888 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
893 if (template != NULL) CtdlFreeMessage(template);
901 * help_subst() - support routine for help file viewer
903 void help_subst(char *strbuf, char *source, char *dest)
908 while (p = pattern2(strbuf, source), (p >= 0)) {
909 strcpy(workbuf, &strbuf[p + strlen(source)]);
910 strcpy(&strbuf[p], dest);
911 strcat(strbuf, workbuf);
916 void do_help_subst(char *buffer)
920 help_subst(buffer, "^nodename", config.c_nodename);
921 help_subst(buffer, "^humannode", config.c_humannode);
922 help_subst(buffer, "^fqdn", config.c_fqdn);
923 help_subst(buffer, "^username", CC->user.fullname);
924 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
925 help_subst(buffer, "^usernum", buf2);
926 help_subst(buffer, "^sysadm", config.c_sysadm);
927 help_subst(buffer, "^variantname", CITADEL);
928 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
929 help_subst(buffer, "^maxsessions", buf2);
930 help_subst(buffer, "^bbsdir", ctdl_message_dir);
936 * memfmout() - Citadel text formatter and paginator.
937 * Although the original purpose of this routine was to format
938 * text to the reader's screen width, all we're really using it
939 * for here is to format text out to 80 columns before sending it
940 * to the client. The client software may reformat it again.
943 char *mptr, /* where are we going to get our text from? */
944 const char *nl /* string to terminate lines with */
947 unsigned char ch = 0;
954 while (ch=*(mptr++), ch != 0) {
957 client_write(outbuf, len);
959 client_write(nl, nllen);
962 else if (ch == '\r') {
963 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
965 else if (isspace(ch)) {
966 if (column > 72) { /* Beyond 72 columns, break on the next space */
967 client_write(outbuf, len);
969 client_write(nl, nllen);
980 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
981 client_write(outbuf, len);
983 client_write(nl, nllen);
989 client_write(outbuf, len);
991 client_write(nl, nllen);
999 * Callback function for mime parser that simply lists the part
1001 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1002 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1003 char *cbid, void *cbuserdata)
1007 ma = (struct ma_info *)cbuserdata;
1008 if (ma->is_ma == 0) {
1009 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1022 * Callback function for multipart prefix
1024 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1025 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1026 char *cbid, void *cbuserdata)
1030 ma = (struct ma_info *)cbuserdata;
1031 if (!strcasecmp(cbtype, "multipart/alternative")) {
1035 if (ma->is_ma == 0) {
1036 cprintf("pref=%s|%s\n", partnum, cbtype);
1041 * Callback function for multipart sufffix
1043 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1044 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1045 char *cbid, void *cbuserdata)
1049 ma = (struct ma_info *)cbuserdata;
1050 if (ma->is_ma == 0) {
1051 cprintf("suff=%s|%s\n", partnum, cbtype);
1053 if (!strcasecmp(cbtype, "multipart/alternative")) {
1060 * Callback function for mime parser that opens a section for downloading
1062 void mime_download(char *name, char *filename, char *partnum, char *disp,
1063 void *content, char *cbtype, char *cbcharset, size_t length,
1064 char *encoding, char *cbid, void *cbuserdata)
1068 /* Silently go away if there's already a download open. */
1069 if (CC->download_fp != NULL)
1073 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1074 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1076 CC->download_fp = tmpfile();
1077 if (CC->download_fp == NULL)
1080 rv = fwrite(content, length, 1, CC->download_fp);
1081 fflush(CC->download_fp);
1082 rewind(CC->download_fp);
1084 OpenCmdResult(filename, cbtype);
1091 * Callback function for mime parser that outputs a section all at once.
1092 * We can specify the desired section by part number *or* content-id.
1094 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1095 void *content, char *cbtype, char *cbcharset, size_t length,
1096 char *encoding, char *cbid, void *cbuserdata)
1098 int *found_it = (int *)cbuserdata;
1101 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1102 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1105 cprintf("%d %d|-1|%s|%s|%s\n",
1112 client_write(content, length);
1118 * Load a message from disk into memory.
1119 * This is used by CtdlOutputMsg() and other fetch functions.
1121 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1122 * using the CtdlMessageFree() function.
1124 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1126 struct cdbdata *dmsgtext;
1127 struct CtdlMessage *ret = NULL;
1131 cit_uint8_t field_header;
1133 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1134 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1135 if (dmsgtext == NULL) {
1138 mptr = dmsgtext->ptr;
1139 upper_bound = mptr + dmsgtext->len;
1141 /* Parse the three bytes that begin EVERY message on disk.
1142 * The first is always 0xFF, the on-disk magic number.
1143 * The second is the anonymous/public type byte.
1144 * The third is the format type byte (vari, fixed, or MIME).
1148 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1152 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1153 memset(ret, 0, sizeof(struct CtdlMessage));
1155 ret->cm_magic = CTDLMESSAGE_MAGIC;
1156 ret->cm_anon_type = *mptr++; /* Anon type byte */
1157 ret->cm_format_type = *mptr++; /* Format type byte */
1160 * The rest is zero or more arbitrary fields. Load them in.
1161 * We're done when we encounter either a zero-length field or
1162 * have just processed the 'M' (message text) field.
1165 if (mptr >= upper_bound) {
1168 field_header = *mptr++;
1169 ret->cm_fields[field_header] = strdup(mptr);
1171 while (*mptr++ != 0); /* advance to next field */
1173 } while ((mptr < upper_bound) && (field_header != 'M'));
1177 /* Always make sure there's something in the msg text field. If
1178 * it's NULL, the message text is most likely stored separately,
1179 * so go ahead and fetch that. Failing that, just set a dummy
1180 * body so other code doesn't barf.
1182 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1183 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1184 if (dmsgtext != NULL) {
1185 ret->cm_fields['M'] = dmsgtext->ptr;
1186 dmsgtext->ptr = NULL;
1190 if (ret->cm_fields['M'] == NULL) {
1191 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1194 /* Perform "before read" hooks (aborting if any return nonzero) */
1195 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1196 CtdlFreeMessage(ret);
1205 * Returns 1 if the supplied pointer points to a valid Citadel message.
1206 * If the pointer is NULL or the magic number check fails, returns 0.
1208 int is_valid_message(struct CtdlMessage *msg) {
1211 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1212 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1220 * 'Destructor' for struct CtdlMessage
1222 void CtdlFreeMessage(struct CtdlMessage *msg)
1226 if (is_valid_message(msg) == 0)
1228 if (msg != NULL) free (msg);
1232 for (i = 0; i < 256; ++i)
1233 if (msg->cm_fields[i] != NULL) {
1234 free(msg->cm_fields[i]);
1237 msg->cm_magic = 0; /* just in case */
1243 * Pre callback function for multipart/alternative
1245 * NOTE: this differs from the standard behavior for a reason. Normally when
1246 * displaying multipart/alternative you want to show the _last_ usable
1247 * format in the message. Here we show the _first_ one, because it's
1248 * usually text/plain. Since this set of functions is designed for text
1249 * output to non-MIME-aware clients, this is the desired behavior.
1252 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1253 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1254 char *cbid, void *cbuserdata)
1258 ma = (struct ma_info *)cbuserdata;
1259 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1260 if (!strcasecmp(cbtype, "multipart/alternative")) {
1264 if (!strcasecmp(cbtype, "message/rfc822")) {
1270 * Post callback function for multipart/alternative
1272 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1273 void *content, char *cbtype, char *cbcharset, size_t length,
1274 char *encoding, char *cbid, void *cbuserdata)
1278 ma = (struct ma_info *)cbuserdata;
1279 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1280 if (!strcasecmp(cbtype, "multipart/alternative")) {
1284 if (!strcasecmp(cbtype, "message/rfc822")) {
1290 * Inline callback function for mime parser that wants to display text
1292 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1293 void *content, char *cbtype, char *cbcharset, size_t length,
1294 char *encoding, char *cbid, void *cbuserdata)
1301 ma = (struct ma_info *)cbuserdata;
1304 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1305 partnum, filename, cbtype, (long)length);
1308 * If we're in the middle of a multipart/alternative scope and
1309 * we've already printed another section, skip this one.
1311 if ( (ma->is_ma) && (ma->did_print) ) {
1312 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1317 if ( (!strcasecmp(cbtype, "text/plain"))
1318 || (IsEmptyStr(cbtype)) ) {
1321 client_write(wptr, length);
1322 if (wptr[length-1] != '\n') {
1329 if (!strcasecmp(cbtype, "text/html")) {
1330 ptr = html_to_ascii(content, length, 80, 0);
1332 client_write(ptr, wlen);
1333 if (ptr[wlen-1] != '\n') {
1340 if (ma->use_fo_hooks) {
1341 if (PerformFixedOutputHooks(cbtype, content, length)) {
1342 /* above function returns nonzero if it handled the part */
1347 if (strncasecmp(cbtype, "multipart/", 10)) {
1348 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1349 partnum, filename, cbtype, (long)length);
1355 * The client is elegant and sophisticated and wants to be choosy about
1356 * MIME content types, so figure out which multipart/alternative part
1357 * we're going to send.
1359 * We use a system of weights. When we find a part that matches one of the
1360 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1361 * and then set ma->chosen_pref to that MIME type's position in our preference
1362 * list. If we then hit another match, we only replace the first match if
1363 * the preference value is lower.
1365 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1366 void *content, char *cbtype, char *cbcharset, size_t length,
1367 char *encoding, char *cbid, void *cbuserdata)
1373 ma = (struct ma_info *)cbuserdata;
1375 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1376 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1377 // I don't know if there are any side effects! Please TEST TEST TEST
1378 //if (ma->is_ma > 0) {
1380 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1381 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1382 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1383 if (i < ma->chosen_pref) {
1384 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1385 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1386 ma->chosen_pref = i;
1393 * Now that we've chosen our preferred part, output it.
1395 void output_preferred(char *name,
1409 int add_newline = 0;
1412 char *decoded = NULL;
1413 size_t bytes_decoded;
1416 ma = (struct ma_info *)cbuserdata;
1418 /* This is not the MIME part you're looking for... */
1419 if (strcasecmp(partnum, ma->chosen_part)) return;
1421 /* If the content-type of this part is in our preferred formats
1422 * list, we can simply output it verbatim.
1424 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1425 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1426 if (!strcasecmp(buf, cbtype)) {
1427 /* Yeah! Go! W00t!! */
1428 if (ma->dont_decode == 0)
1429 rc = mime_decode_now (content,
1435 break; /* Give us the chance, maybe theres another one. */
1437 if (rc == 0) text_content = (char *)content;
1439 text_content = decoded;
1440 length = bytes_decoded;
1443 if (text_content[length-1] != '\n') {
1446 cprintf("Content-type: %s", cbtype);
1447 if (!IsEmptyStr(cbcharset)) {
1448 cprintf("; charset=%s", cbcharset);
1450 cprintf("\nContent-length: %d\n",
1451 (int)(length + add_newline) );
1452 if (!IsEmptyStr(encoding)) {
1453 cprintf("Content-transfer-encoding: %s\n", encoding);
1456 cprintf("Content-transfer-encoding: 7bit\n");
1458 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1460 client_write(text_content, length);
1461 if (add_newline) cprintf("\n");
1462 if (decoded != NULL) free(decoded);
1467 /* No translations required or possible: output as text/plain */
1468 cprintf("Content-type: text/plain\n\n");
1470 if (ma->dont_decode == 0)
1471 rc = mime_decode_now (content,
1477 return; /* Give us the chance, maybe theres another one. */
1479 if (rc == 0) text_content = (char *)content;
1481 text_content = decoded;
1482 length = bytes_decoded;
1485 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1486 length, encoding, cbid, cbuserdata);
1487 if (decoded != NULL) free(decoded);
1492 char desired_section[64];
1499 * Callback function for
1501 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1502 void *content, char *cbtype, char *cbcharset, size_t length,
1503 char *encoding, char *cbid, void *cbuserdata)
1505 struct encapmsg *encap;
1507 encap = (struct encapmsg *)cbuserdata;
1509 /* Only proceed if this is the desired section... */
1510 if (!strcasecmp(encap->desired_section, partnum)) {
1511 encap->msglen = length;
1512 encap->msg = malloc(length + 2);
1513 memcpy(encap->msg, content, length);
1520 * Determine whether the specified message exists in the cached_msglist
1521 * (This is a security check)
1523 int check_cached_msglist(long msgnum) {
1525 /* cases in which we skip the check */
1526 if (!CC) return om_ok; /* not a session */
1527 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1528 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1529 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1532 /* Do a binary search within the cached_msglist for the requested msgnum */
1534 int max = (CC->cached_num_msgs - 1);
1536 while (max >= min) {
1537 int middle = min + (max-min) / 2 ;
1538 if (msgnum == CC->cached_msglist[middle]) {
1541 if (msgnum > CC->cached_msglist[middle]) {
1549 return om_access_denied;
1554 * Determine whether the currently logged in session has permission to read
1555 * messages in the current room.
1557 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1558 if ( (!(CC->logged_in))
1559 && (!(CC->internal_pgm))
1560 && (!config.c_guest_logins)
1562 return(om_not_logged_in);
1569 * Get a message off disk. (returns om_* values found in msgbase.h)
1572 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1573 int mode, /* how would you like that message? */
1574 int headers_only, /* eschew the message body? */
1575 int do_proto, /* do Citadel protocol responses? */
1576 int crlf, /* Use CRLF newlines instead of LF? */
1577 char *section, /* NULL or a message/rfc822 section */
1578 int flags /* various flags; see msgbase.h */
1580 struct CtdlMessage *TheMessage = NULL;
1581 int retcode = om_no_such_msg;
1582 struct encapmsg encap;
1585 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1587 (section ? section : "<>")
1590 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1593 if (r == om_not_logged_in) {
1594 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1597 cprintf("%d An unknown error has occurred.\n", ERROR);
1604 * Check to make sure the message is actually IN this room
1606 r = check_cached_msglist(msg_num);
1607 if (r == om_access_denied) {
1608 /* Not in the cache? We get ONE shot to check it again. */
1609 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1610 r = check_cached_msglist(msg_num);
1613 syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1614 msg_num, CC->room.QRname
1617 if (r == om_access_denied) {
1618 cprintf("%d message %ld was not found in this room\n",
1619 ERROR + HIGHER_ACCESS_REQUIRED,
1628 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1629 * request that we don't even bother loading the body into memory.
1631 if (headers_only == HEADERS_FAST) {
1632 TheMessage = CtdlFetchMessage(msg_num, 0);
1635 TheMessage = CtdlFetchMessage(msg_num, 1);
1638 if (TheMessage == NULL) {
1639 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1640 ERROR + MESSAGE_NOT_FOUND, msg_num);
1641 return(om_no_such_msg);
1644 /* Here is the weird form of this command, to process only an
1645 * encapsulated message/rfc822 section.
1647 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1648 memset(&encap, 0, sizeof encap);
1649 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1650 mime_parser(TheMessage->cm_fields['M'],
1652 *extract_encapsulated_message,
1653 NULL, NULL, (void *)&encap, 0
1655 CtdlFreeMessage(TheMessage);
1659 encap.msg[encap.msglen] = 0;
1660 TheMessage = convert_internet_message(encap.msg);
1661 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1663 /* Now we let it fall through to the bottom of this
1664 * function, because TheMessage now contains the
1665 * encapsulated message instead of the top-level
1666 * message. Isn't that neat?
1671 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1672 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1673 retcode = om_no_such_msg;
1678 /* Ok, output the message now */
1679 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1680 CtdlFreeMessage(TheMessage);
1686 char *qp_encode_email_addrs(char *source)
1688 char *user, *node, *name;
1689 const char headerStr[] = "=?UTF-8?Q?";
1693 int need_to_encode = 0;
1699 long nAddrPtrMax = 50;
1704 if (source == NULL) return source;
1705 if (IsEmptyStr(source)) return source;
1707 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1709 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1710 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1711 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1714 while (!IsEmptyStr (&source[i])) {
1715 if (nColons >= nAddrPtrMax){
1718 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1719 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1720 free (AddrPtr), AddrPtr = ptr;
1722 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1723 memset(&ptr[nAddrPtrMax], 0,
1724 sizeof (long) * nAddrPtrMax);
1726 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1727 free (AddrUtf8), AddrUtf8 = ptr;
1730 if (((unsigned char) source[i] < 32) ||
1731 ((unsigned char) source[i] > 126)) {
1733 AddrUtf8[nColons] = 1;
1735 if (source[i] == '"')
1736 InQuotes = !InQuotes;
1737 if (!InQuotes && source[i] == ',') {
1738 AddrPtr[nColons] = i;
1743 if (need_to_encode == 0) {
1750 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1751 Encoded = (char*) malloc (EncodedMaxLen);
1753 for (i = 0; i < nColons; i++)
1754 source[AddrPtr[i]++] = '\0';
1755 /* TODO: if libidn, this might get larger*/
1756 user = malloc(SourceLen + 1);
1757 node = malloc(SourceLen + 1);
1758 name = malloc(SourceLen + 1);
1762 for (i = 0; i < nColons && nPtr != NULL; i++) {
1763 nmax = EncodedMaxLen - (nPtr - Encoded);
1765 process_rfc822_addr(&source[AddrPtr[i]],
1769 /* TODO: libIDN here ! */
1770 if (IsEmptyStr(name)) {
1771 n = snprintf(nPtr, nmax,
1772 (i==0)?"%s@%s" : ",%s@%s",
1776 EncodedName = rfc2047encode(name, strlen(name));
1777 n = snprintf(nPtr, nmax,
1778 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1779 EncodedName, user, node);
1784 n = snprintf(nPtr, nmax,
1785 (i==0)?"%s" : ",%s",
1786 &source[AddrPtr[i]]);
1792 ptr = (char*) malloc(EncodedMaxLen * 2);
1793 memcpy(ptr, Encoded, EncodedMaxLen);
1794 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1795 free(Encoded), Encoded = ptr;
1797 i--; /* do it once more with properly lengthened buffer */
1800 for (i = 0; i < nColons; i++)
1801 source[--AddrPtr[i]] = ',';
1812 /* If the last item in a list of recipients was truncated to a partial address,
1813 * remove it completely in order to avoid choking libSieve
1815 void sanitize_truncated_recipient(char *str)
1818 if (num_tokens(str, ',') < 2) return;
1820 int len = strlen(str);
1821 if (len < 900) return;
1822 if (len > 998) str[998] = 0;
1824 char *cptr = strrchr(str, ',');
1827 char *lptr = strchr(cptr, '<');
1828 char *rptr = strchr(cptr, '>');
1830 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1836 void OutputCtdlMsgHeaders(
1837 struct CtdlMessage *TheMessage,
1838 int do_proto) /* do Citadel protocol responses? */
1844 char display_name[256];
1846 /* begin header processing loop for Citadel message format */
1847 safestrncpy(display_name, "<unknown>", sizeof display_name);
1848 if (TheMessage->cm_fields['A']) {
1849 strcpy(buf, TheMessage->cm_fields['A']);
1850 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1851 safestrncpy(display_name, "****", sizeof display_name);
1853 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1854 safestrncpy(display_name, "anonymous", sizeof display_name);
1857 safestrncpy(display_name, buf, sizeof display_name);
1859 if ((is_room_aide())
1860 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1861 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1862 size_t tmp = strlen(display_name);
1863 snprintf(&display_name[tmp],
1864 sizeof display_name - tmp,
1869 /* Don't show Internet address for users on the
1870 * local Citadel network.
1873 if (TheMessage->cm_fields['N'] != NULL)
1874 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1875 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1879 /* Now spew the header fields in the order we like them. */
1880 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1881 for (i=0; i<n; ++i) {
1882 k = (int) allkeys[i];
1884 if ( (TheMessage->cm_fields[k] != NULL)
1885 && (msgkeys[k] != NULL) ) {
1886 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1887 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1890 if (do_proto) cprintf("%s=%s\n",
1894 else if ((k == 'F') && (suppress_f)) {
1897 /* Masquerade display name if needed */
1899 if (do_proto) cprintf("%s=%s\n",
1901 TheMessage->cm_fields[k]
1910 void OutputRFC822MsgHeaders(
1911 struct CtdlMessage *TheMessage,
1912 int flags, /* should the bessage be exported clean */
1914 char *mid, long sizeof_mid,
1915 char *suser, long sizeof_suser,
1916 char *luser, long sizeof_luser,
1917 char *fuser, long sizeof_fuser,
1918 char *snode, long sizeof_snode)
1920 char datestamp[100];
1921 int subject_found = 0;
1928 for (i = 0; i < 256; ++i) {
1929 if (TheMessage->cm_fields[i]) {
1930 mptr = mpptr = TheMessage->cm_fields[i];
1933 safestrncpy(luser, mptr, sizeof_luser);
1934 safestrncpy(suser, mptr, sizeof_suser);
1936 else if (i == 'Y') {
1937 if ((flags & QP_EADDR) != 0) {
1938 mptr = qp_encode_email_addrs(mptr);
1940 sanitize_truncated_recipient(mptr);
1941 cprintf("CC: %s%s", mptr, nl);
1943 else if (i == 'P') {
1944 cprintf("Return-Path: %s%s", mptr, nl);
1946 else if (i == 'L') {
1947 cprintf("List-ID: %s%s", mptr, nl);
1949 else if (i == 'V') {
1950 if ((flags & QP_EADDR) != 0)
1951 mptr = qp_encode_email_addrs(mptr);
1953 while ((*hptr != '\0') && isspace(*hptr))
1955 if (!IsEmptyStr(hptr))
1956 cprintf("Envelope-To: %s%s", hptr, nl);
1958 else if (i == 'U') {
1959 cprintf("Subject: %s%s", mptr, nl);
1963 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1965 safestrncpy(fuser, mptr, sizeof_fuser);
1966 /* else if (i == 'O')
1967 cprintf("X-Citadel-Room: %s%s",
1970 safestrncpy(snode, mptr, sizeof_snode);
1973 if (haschar(mptr, '@') == 0)
1975 sanitize_truncated_recipient(mptr);
1976 cprintf("To: %s@%s", mptr, config.c_fqdn);
1981 if ((flags & QP_EADDR) != 0) {
1982 mptr = qp_encode_email_addrs(mptr);
1984 sanitize_truncated_recipient(mptr);
1985 cprintf("To: %s", mptr);
1989 else if (i == 'T') {
1990 datestring(datestamp, sizeof datestamp,
1991 atol(mptr), DATESTRING_RFC822);
1992 cprintf("Date: %s%s", datestamp, nl);
1994 else if (i == 'W') {
1995 cprintf("References: ");
1996 k = num_tokens(mptr, '|');
1997 for (j=0; j<k; ++j) {
1998 extract_token(buf, mptr, j, '|', sizeof buf);
1999 cprintf("<%s>", buf);
2008 else if (i == 'K') {
2009 cprintf("Reply-To: <%s>%s", mptr, nl);
2015 if (subject_found == 0) {
2016 cprintf("Subject: (no subject)%s", nl);
2021 void Dump_RFC822HeadersBody(
2022 struct CtdlMessage *TheMessage,
2023 int headers_only, /* eschew the message body? */
2024 int flags, /* should the bessage be exported clean? */
2028 cit_uint8_t prev_ch;
2030 const char *StartOfText = StrBufNOTNULL;
2033 int nllen = strlen(nl);
2036 mptr = TheMessage->cm_fields['M'];
2040 while (*mptr != '\0') {
2041 if (*mptr == '\r') {
2048 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2050 eoh = *(mptr+1) == '\n';
2054 StartOfText = strchr(StartOfText, '\n');
2055 StartOfText = strchr(StartOfText, '\n');
2058 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2059 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2060 ((headers_only != HEADERS_NONE) &&
2061 (headers_only != HEADERS_ONLY))
2063 if (*mptr == '\n') {
2064 memcpy(&outbuf[outlen], nl, nllen);
2066 outbuf[outlen] = '\0';
2069 outbuf[outlen++] = *mptr;
2073 if (flags & ESC_DOT)
2075 if ((prev_ch == '\n') &&
2077 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2079 outbuf[outlen++] = '.';
2084 if (outlen > 1000) {
2085 client_write(outbuf, outlen);
2090 client_write(outbuf, outlen);
2097 /* If the format type on disk is 1 (fixed-format), then we want
2098 * everything to be output completely literally ... regardless of
2099 * what message transfer format is in use.
2101 void DumpFormatFixed(
2102 struct CtdlMessage *TheMessage,
2103 int mode, /* how would you like that message? */
2110 int nllen = strlen (nl);
2113 mptr = TheMessage->cm_fields['M'];
2115 if (mode == MT_MIME) {
2116 cprintf("Content-type: text/plain\n\n");
2120 while (ch = *mptr++, ch > 0) {
2124 if ((buflen > 250) && (!xlline)){
2128 while ((buflen > 0) &&
2129 (!isspace(buf[buflen])))
2135 mptr -= tbuflen - buflen;
2140 /* if we reach the outer bounds of our buffer,
2141 abort without respect what whe purge. */
2144 (buflen > SIZ - nllen - 2)))
2148 memcpy (&buf[buflen], nl, nllen);
2152 client_write(buf, buflen);
2162 if (!IsEmptyStr(buf))
2163 cprintf("%s%s", buf, nl);
2167 * Get a message off disk. (returns om_* values found in msgbase.h)
2169 int CtdlOutputPreLoadedMsg(
2170 struct CtdlMessage *TheMessage,
2171 int mode, /* how would you like that message? */
2172 int headers_only, /* eschew the message body? */
2173 int do_proto, /* do Citadel protocol responses? */
2174 int crlf, /* Use CRLF newlines instead of LF? */
2175 int flags /* should the bessage be exported clean? */
2179 const char *nl; /* newline string */
2182 /* Buffers needed for RFC822 translation. These are all filled
2183 * using functions that are bounds-checked, and therefore we can
2184 * make them substantially smaller than SIZ.
2192 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2193 ((TheMessage == NULL) ? "NULL" : "not null"),
2194 mode, headers_only, do_proto, crlf);
2196 strcpy(mid, "unknown");
2197 nl = (crlf ? "\r\n" : "\n");
2199 if (!is_valid_message(TheMessage)) {
2201 "ERROR: invalid preloaded message for output\n");
2203 return(om_no_such_msg);
2206 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2207 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2209 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2210 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2213 /* Are we downloading a MIME component? */
2214 if (mode == MT_DOWNLOAD) {
2215 if (TheMessage->cm_format_type != FMT_RFC822) {
2217 cprintf("%d This is not a MIME message.\n",
2218 ERROR + ILLEGAL_VALUE);
2219 } else if (CC->download_fp != NULL) {
2220 if (do_proto) cprintf(
2221 "%d You already have a download open.\n",
2222 ERROR + RESOURCE_BUSY);
2224 /* Parse the message text component */
2225 mptr = TheMessage->cm_fields['M'];
2226 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2227 /* If there's no file open by this time, the requested
2228 * section wasn't found, so print an error
2230 if (CC->download_fp == NULL) {
2231 if (do_proto) cprintf(
2232 "%d Section %s not found.\n",
2233 ERROR + FILE_NOT_FOUND,
2234 CC->download_desired_section);
2237 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2240 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2241 * in a single server operation instead of opening a download file.
2243 if (mode == MT_SPEW_SECTION) {
2244 if (TheMessage->cm_format_type != FMT_RFC822) {
2246 cprintf("%d This is not a MIME message.\n",
2247 ERROR + ILLEGAL_VALUE);
2249 /* Parse the message text component */
2252 mptr = TheMessage->cm_fields['M'];
2253 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2254 /* If section wasn't found, print an error
2257 if (do_proto) cprintf(
2258 "%d Section %s not found.\n",
2259 ERROR + FILE_NOT_FOUND,
2260 CC->download_desired_section);
2263 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2266 /* now for the user-mode message reading loops */
2267 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2269 /* Does the caller want to skip the headers? */
2270 if (headers_only == HEADERS_NONE) goto START_TEXT;
2272 /* Tell the client which format type we're using. */
2273 if ( (mode == MT_CITADEL) && (do_proto) ) {
2274 cprintf("type=%d\n", TheMessage->cm_format_type);
2277 /* nhdr=yes means that we're only displaying headers, no body */
2278 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2279 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2282 cprintf("nhdr=yes\n");
2285 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2286 OutputCtdlMsgHeaders(TheMessage, do_proto);
2289 /* begin header processing loop for RFC822 transfer format */
2293 strcpy(snode, NODENAME);
2294 if (mode == MT_RFC822)
2295 OutputRFC822MsgHeaders(
2300 suser, sizeof(suser),
2301 luser, sizeof(luser),
2302 fuser, sizeof(fuser),
2303 snode, sizeof(snode)
2307 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2308 suser[i] = tolower(suser[i]);
2309 if (!isalnum(suser[i])) suser[i]='_';
2312 if (mode == MT_RFC822) {
2313 if (!strcasecmp(snode, NODENAME)) {
2314 safestrncpy(snode, FQDN, sizeof snode);
2317 /* Construct a fun message id */
2318 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2319 if (strchr(mid, '@')==NULL) {
2320 cprintf("@%s", snode);
2324 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2325 cprintf("From: \"----\" <x@x.org>%s", nl);
2327 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2328 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2330 else if (!IsEmptyStr(fuser)) {
2331 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2334 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2337 /* Blank line signifying RFC822 end-of-headers */
2338 if (TheMessage->cm_format_type != FMT_RFC822) {
2343 /* end header processing loop ... at this point, we're in the text */
2345 if (headers_only == HEADERS_FAST) goto DONE;
2347 /* Tell the client about the MIME parts in this message */
2348 if (TheMessage->cm_format_type == FMT_RFC822) {
2349 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2350 mptr = TheMessage->cm_fields['M'];
2351 memset(&ma, 0, sizeof(struct ma_info));
2352 mime_parser(mptr, NULL,
2353 (do_proto ? *list_this_part : NULL),
2354 (do_proto ? *list_this_pref : NULL),
2355 (do_proto ? *list_this_suff : NULL),
2358 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2359 Dump_RFC822HeadersBody(
2368 if (headers_only == HEADERS_ONLY) {
2372 /* signify start of msg text */
2373 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2374 if (do_proto) cprintf("text\n");
2377 if (TheMessage->cm_format_type == FMT_FIXED)
2380 mode, /* how would you like that message? */
2383 /* If the message on disk is format 0 (Citadel vari-format), we
2384 * output using the formatter at 80 columns. This is the final output
2385 * form if the transfer format is RFC822, but if the transfer format
2386 * is Citadel proprietary, it'll still work, because the indentation
2387 * for new paragraphs is correct and the client will reformat the
2388 * message to the reader's screen width.
2390 if (TheMessage->cm_format_type == FMT_CITADEL) {
2391 mptr = TheMessage->cm_fields['M'];
2393 if (mode == MT_MIME) {
2394 cprintf("Content-type: text/x-citadel-variformat\n\n");
2399 /* If the message on disk is format 4 (MIME), we've gotta hand it
2400 * off to the MIME parser. The client has already been told that
2401 * this message is format 1 (fixed format), so the callback function
2402 * we use will display those parts as-is.
2404 if (TheMessage->cm_format_type == FMT_RFC822) {
2405 memset(&ma, 0, sizeof(struct ma_info));
2407 if (mode == MT_MIME) {
2408 ma.use_fo_hooks = 0;
2409 strcpy(ma.chosen_part, "1");
2410 ma.chosen_pref = 9999;
2411 ma.dont_decode = CC->msg4_dont_decode;
2412 mime_parser(mptr, NULL,
2413 *choose_preferred, *fixed_output_pre,
2414 *fixed_output_post, (void *)&ma, 1);
2415 mime_parser(mptr, NULL,
2416 *output_preferred, NULL, NULL, (void *)&ma, 1);
2419 ma.use_fo_hooks = 1;
2420 mime_parser(mptr, NULL,
2421 *fixed_output, *fixed_output_pre,
2422 *fixed_output_post, (void *)&ma, 0);
2427 DONE: /* now we're done */
2428 if (do_proto) cprintf("000\n");
2434 * display a message (mode 0 - Citadel proprietary)
2436 void cmd_msg0(char *cmdbuf)
2439 int headers_only = HEADERS_ALL;
2441 msgid = extract_long(cmdbuf, 0);
2442 headers_only = extract_int(cmdbuf, 1);
2444 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2450 * display a message (mode 2 - RFC822)
2452 void cmd_msg2(char *cmdbuf)
2455 int headers_only = HEADERS_ALL;
2457 msgid = extract_long(cmdbuf, 0);
2458 headers_only = extract_int(cmdbuf, 1);
2460 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2466 * display a message (mode 3 - IGnet raw format - internal programs only)
2468 void cmd_msg3(char *cmdbuf)
2471 struct CtdlMessage *msg = NULL;
2474 if (CC->internal_pgm == 0) {
2475 cprintf("%d This command is for internal programs only.\n",
2476 ERROR + HIGHER_ACCESS_REQUIRED);
2480 msgnum = extract_long(cmdbuf, 0);
2481 msg = CtdlFetchMessage(msgnum, 1);
2483 cprintf("%d Message %ld not found.\n",
2484 ERROR + MESSAGE_NOT_FOUND, msgnum);
2488 serialize_message(&smr, msg);
2489 CtdlFreeMessage(msg);
2492 cprintf("%d Unable to serialize message\n",
2493 ERROR + INTERNAL_ERROR);
2497 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2498 client_write((char *)smr.ser, (int)smr.len);
2505 * Display a message using MIME content types
2507 void cmd_msg4(char *cmdbuf)
2512 msgid = extract_long(cmdbuf, 0);
2513 extract_token(section, cmdbuf, 1, '|', sizeof section);
2514 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2520 * Client tells us its preferred message format(s)
2522 void cmd_msgp(char *cmdbuf)
2524 if (!strcasecmp(cmdbuf, "dont_decode")) {
2525 CC->msg4_dont_decode = 1;
2526 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2529 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2530 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2536 * Open a component of a MIME message as a download file
2538 void cmd_opna(char *cmdbuf)
2541 char desired_section[128];
2543 msgid = extract_long(cmdbuf, 0);
2544 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2545 safestrncpy(CC->download_desired_section, desired_section,
2546 sizeof CC->download_desired_section);
2547 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2552 * Open a component of a MIME message and transmit it all at once
2554 void cmd_dlat(char *cmdbuf)
2557 char desired_section[128];
2559 msgid = extract_long(cmdbuf, 0);
2560 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2561 safestrncpy(CC->download_desired_section, desired_section,
2562 sizeof CC->download_desired_section);
2563 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2568 * Save one or more message pointers into a specified room
2569 * (Returns 0 for success, nonzero for failure)
2570 * roomname may be NULL to use the current room
2572 * Note that the 'supplied_msg' field may be set to NULL, in which case
2573 * the message will be fetched from disk, by number, if we need to perform
2574 * replication checks. This adds an additional database read, so if the
2575 * caller already has the message in memory then it should be supplied. (Obviously
2576 * this mode of operation only works if we're saving a single message.)
2578 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2579 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2582 char hold_rm[ROOMNAMELEN];
2583 struct cdbdata *cdbfr;
2586 long highest_msg = 0L;
2589 struct CtdlMessage *msg = NULL;
2591 long *msgs_to_be_merged = NULL;
2592 int num_msgs_to_be_merged = 0;
2595 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2596 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2599 strcpy(hold_rm, CC->room.QRname);
2602 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2603 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2604 if (num_newmsgs > 1) supplied_msg = NULL;
2606 /* Now the regular stuff */
2607 if (CtdlGetRoomLock(&CC->room,
2608 ((roomname != NULL) ? roomname : CC->room.QRname) )
2610 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2611 return(ERROR + ROOM_NOT_FOUND);
2615 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2616 num_msgs_to_be_merged = 0;
2619 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2620 if (cdbfr == NULL) {
2624 msglist = (long *) cdbfr->ptr;
2625 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2626 num_msgs = cdbfr->len / sizeof(long);
2631 /* Create a list of msgid's which were supplied by the caller, but do
2632 * not already exist in the target room. It is absolutely taboo to
2633 * have more than one reference to the same message in a room.
2635 for (i=0; i<num_newmsgs; ++i) {
2637 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2638 if (msglist[j] == newmsgidlist[i]) {
2643 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2647 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2650 * Now merge the new messages
2652 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2653 if (msglist == NULL) {
2654 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2656 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2657 num_msgs += num_msgs_to_be_merged;
2659 /* Sort the message list, so all the msgid's are in order */
2660 num_msgs = sort_msglist(msglist, num_msgs);
2662 /* Determine the highest message number */
2663 highest_msg = msglist[num_msgs - 1];
2665 /* Write it back to disk. */
2666 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2667 msglist, (int)(num_msgs * sizeof(long)));
2669 /* Free up the memory we used. */
2672 /* Update the highest-message pointer and unlock the room. */
2673 CC->room.QRhighest = highest_msg;
2674 CtdlPutRoomLock(&CC->room);
2676 /* Perform replication checks if necessary */
2677 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2678 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2680 for (i=0; i<num_msgs_to_be_merged; ++i) {
2681 msgid = msgs_to_be_merged[i];
2683 if (supplied_msg != NULL) {
2687 msg = CtdlFetchMessage(msgid, 0);
2691 ReplicationChecks(msg);
2693 /* If the message has an Exclusive ID, index that... */
2694 if (msg->cm_fields['E'] != NULL) {
2695 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2698 /* Free up the memory we may have allocated */
2699 if (msg != supplied_msg) {
2700 CtdlFreeMessage(msg);
2708 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2711 /* Submit this room for processing by hooks */
2712 PerformRoomHooks(&CC->room);
2714 /* Go back to the room we were in before we wandered here... */
2715 CtdlGetRoom(&CC->room, hold_rm);
2717 /* Bump the reference count for all messages which were merged */
2718 if (!suppress_refcount_adj) {
2719 for (i=0; i<num_msgs_to_be_merged; ++i) {
2720 AdjRefCount(msgs_to_be_merged[i], +1);
2724 /* Free up memory... */
2725 if (msgs_to_be_merged != NULL) {
2726 free(msgs_to_be_merged);
2729 /* Return success. */
2735 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2738 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2739 int do_repl_check, struct CtdlMessage *supplied_msg)
2741 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2748 * Message base operation to save a new message to the message store
2749 * (returns new message number)
2751 * This is the back end for CtdlSubmitMsg() and should not be directly
2752 * called by server-side modules.
2755 long send_message(struct CtdlMessage *msg) {
2763 /* Get a new message number */
2764 newmsgid = get_new_message_number();
2765 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2766 (long unsigned int) time(NULL),
2767 (long unsigned int) newmsgid,
2771 /* Generate an ID if we don't have one already */
2772 if (msg->cm_fields['I']==NULL) {
2773 msg->cm_fields['I'] = strdup(msgidbuf);
2776 /* If the message is big, set its body aside for storage elsewhere */
2777 if (msg->cm_fields['M'] != NULL) {
2778 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2780 holdM = msg->cm_fields['M'];
2781 msg->cm_fields['M'] = NULL;
2785 /* Serialize our data structure for storage in the database */
2786 serialize_message(&smr, msg);
2789 msg->cm_fields['M'] = holdM;
2793 cprintf("%d Unable to serialize message\n",
2794 ERROR + INTERNAL_ERROR);
2798 /* Write our little bundle of joy into the message base */
2799 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2800 smr.ser, smr.len) < 0) {
2801 syslog(LOG_ERR, "Can't store message\n");
2805 cdb_store(CDB_BIGMSGS,
2815 /* Free the memory we used for the serialized message */
2818 /* Return the *local* message ID to the caller
2819 * (even if we're storing an incoming network message)
2827 * Serialize a struct CtdlMessage into the format used on disk and network.
2829 * This function loads up a "struct ser_ret" (defined in server.h) which
2830 * contains the length of the serialized message and a pointer to the
2831 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2833 void serialize_message(struct ser_ret *ret, /* return values */
2834 struct CtdlMessage *msg) /* unserialized msg */
2836 size_t wlen, fieldlen;
2838 static char *forder = FORDER;
2841 * Check for valid message format
2843 if (is_valid_message(msg) == 0) {
2844 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2851 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2852 ret->len = ret->len +
2853 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2855 ret->ser = malloc(ret->len);
2856 if (ret->ser == NULL) {
2857 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2858 (long)ret->len, strerror(errno));
2865 ret->ser[1] = msg->cm_anon_type;
2866 ret->ser[2] = msg->cm_format_type;
2869 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2870 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2871 ret->ser[wlen++] = (char)forder[i];
2872 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2873 wlen = wlen + fieldlen + 1;
2875 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2876 (long)ret->len, (long)wlen);
2883 * Serialize a struct CtdlMessage into the format used on disk and network.
2885 * This function loads up a "struct ser_ret" (defined in server.h) which
2886 * contains the length of the serialized message and a pointer to the
2887 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2889 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2890 long Siz) /* how many chars ? */
2894 static char *forder = FORDER;
2898 * Check for valid message format
2900 if (is_valid_message(msg) == 0) {
2901 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2905 buf = (char*) malloc (Siz + 1);
2909 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2910 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2911 msg->cm_fields[(int)forder[i]]);
2912 client_write (buf, strlen(buf));
2921 * Check to see if any messages already exist in the current room which
2922 * carry the same Exclusive ID as this one. If any are found, delete them.
2924 void ReplicationChecks(struct CtdlMessage *msg) {
2925 long old_msgnum = (-1L);
2927 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2929 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2932 /* No exclusive id? Don't do anything. */
2933 if (msg == NULL) return;
2934 if (msg->cm_fields['E'] == NULL) return;
2935 if (IsEmptyStr(msg->cm_fields['E'])) return;
2936 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2937 msg->cm_fields['E'], CC->room.QRname);*/
2939 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2940 if (old_msgnum > 0L) {
2941 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2942 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2949 * Save a message to disk and submit it into the delivery system.
2951 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2952 struct recptypes *recps, /* recipients (if mail) */
2953 char *force, /* force a particular room? */
2954 int flags /* should the message be exported clean? */
2956 char submit_filename[128];
2957 char generated_timestamp[32];
2958 char hold_rm[ROOMNAMELEN];
2959 char actual_rm[ROOMNAMELEN];
2960 char force_room[ROOMNAMELEN];
2961 char content_type[SIZ]; /* We have to learn this */
2962 char recipient[SIZ];
2964 const char *mptr = NULL;
2965 struct ctdluser userbuf;
2967 struct MetaData smi;
2968 FILE *network_fp = NULL;
2969 static int seqnum = 1;
2970 struct CtdlMessage *imsg = NULL;
2972 size_t instr_alloc = 0;
2974 char *hold_R, *hold_D;
2975 char *collected_addresses = NULL;
2976 struct addresses_to_be_filed *aptr = NULL;
2977 StrBuf *saved_rfc822_version = NULL;
2978 int qualified_for_journaling = 0;
2979 CitContext *CCC = MyContext();
2980 char bounce_to[1024] = "";
2984 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
2985 if (is_valid_message(msg) == 0) return(-1); /* self check */
2987 /* If this message has no timestamp, we take the liberty of
2988 * giving it one, right now.
2990 if (msg->cm_fields['T'] == NULL) {
2991 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2992 msg->cm_fields['T'] = strdup(generated_timestamp);
2995 /* If this message has no path, we generate one.
2997 if (msg->cm_fields['P'] == NULL) {
2998 if (msg->cm_fields['A'] != NULL) {
2999 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3000 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3001 if (isspace(msg->cm_fields['P'][a])) {
3002 msg->cm_fields['P'][a] = ' ';
3007 msg->cm_fields['P'] = strdup("unknown");
3011 if (force == NULL) {
3012 strcpy(force_room, "");
3015 strcpy(force_room, force);
3018 /* Learn about what's inside, because it's what's inside that counts */
3019 if (msg->cm_fields['M'] == NULL) {
3020 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3024 switch (msg->cm_format_type) {
3026 strcpy(content_type, "text/x-citadel-variformat");
3029 strcpy(content_type, "text/plain");
3032 strcpy(content_type, "text/plain");
3033 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3036 safestrncpy(content_type, &mptr[13], sizeof content_type);
3037 striplt(content_type);
3038 aptr = content_type;
3039 while (!IsEmptyStr(aptr)) {
3051 /* Goto the correct room */
3052 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3053 strcpy(hold_rm, CCC->room.QRname);
3054 strcpy(actual_rm, CCC->room.QRname);
3055 if (recps != NULL) {
3056 strcpy(actual_rm, SENTITEMS);
3059 /* If the user is a twit, move to the twit room for posting */
3061 if (CCC->user.axlevel == AxProbU) {
3062 strcpy(hold_rm, actual_rm);
3063 strcpy(actual_rm, config.c_twitroom);
3064 syslog(LOG_DEBUG, "Diverting to twit room\n");
3068 /* ...or if this message is destined for Aide> then go there. */
3069 if (!IsEmptyStr(force_room)) {
3070 strcpy(actual_rm, force_room);
3073 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3074 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3075 /* CtdlGetRoom(&CCC->room, actual_rm); */
3076 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3080 * If this message has no O (room) field, generate one.
3082 if (msg->cm_fields['O'] == NULL) {
3083 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3086 /* Perform "before save" hooks (aborting if any return nonzero) */
3087 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3088 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3091 * If this message has an Exclusive ID, and the room is replication
3092 * checking enabled, then do replication checks.
3094 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3095 ReplicationChecks(msg);
3098 /* Save it to disk */
3099 syslog(LOG_DEBUG, "Saving to disk\n");
3100 newmsgid = send_message(msg);
3101 if (newmsgid <= 0L) return(-5);
3103 /* Write a supplemental message info record. This doesn't have to
3104 * be a critical section because nobody else knows about this message
3107 syslog(LOG_DEBUG, "Creating MetaData record\n");
3108 memset(&smi, 0, sizeof(struct MetaData));
3109 smi.meta_msgnum = newmsgid;
3110 smi.meta_refcount = 0;
3111 safestrncpy(smi.meta_content_type, content_type,
3112 sizeof smi.meta_content_type);
3115 * Measure how big this message will be when rendered as RFC822.
3116 * We do this for two reasons:
3117 * 1. We need the RFC822 length for the new metadata record, so the
3118 * POP and IMAP services don't have to calculate message lengths
3119 * while the user is waiting (multiplied by potentially hundreds
3120 * or thousands of messages).
3121 * 2. If journaling is enabled, we will need an RFC822 version of the
3122 * message to attach to the journalized copy.
3124 if (CCC->redirect_buffer != NULL) {
3125 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3128 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3129 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3130 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3131 saved_rfc822_version = CCC->redirect_buffer;
3132 CCC->redirect_buffer = NULL;
3136 /* Now figure out where to store the pointers */
3137 syslog(LOG_DEBUG, "Storing pointers\n");
3139 /* If this is being done by the networker delivering a private
3140 * message, we want to BYPASS saving the sender's copy (because there
3141 * is no local sender; it would otherwise go to the Trashcan).
3143 if ((!CCC->internal_pgm) || (recps == NULL)) {
3144 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3145 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3146 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3150 /* For internet mail, drop a copy in the outbound queue room */
3151 if ((recps != NULL) && (recps->num_internet > 0)) {
3152 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3155 /* If other rooms are specified, drop them there too. */
3156 if ((recps != NULL) && (recps->num_room > 0))
3157 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3158 extract_token(recipient, recps->recp_room, i,
3159 '|', sizeof recipient);
3160 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3161 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3164 /* Bump this user's messages posted counter. */
3165 syslog(LOG_DEBUG, "Updating user\n");
3166 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3167 CCC->user.posted = CCC->user.posted + 1;
3168 CtdlPutUserLock(&CCC->user);
3170 /* Decide where bounces need to be delivered */
3171 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3172 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3174 else if (CCC->logged_in) {
3175 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3178 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3181 /* If this is private, local mail, make a copy in the
3182 * recipient's mailbox and bump the reference count.
3184 if ((recps != NULL) && (recps->num_local > 0))
3185 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3186 extract_token(recipient, recps->recp_local, i,
3187 '|', sizeof recipient);
3188 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3190 if (CtdlGetUser(&userbuf, recipient) == 0) {
3191 // Add a flag so the Funambol module knows its mail
3192 msg->cm_fields['W'] = strdup(recipient);
3193 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3194 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3195 CtdlBumpNewMailCounter(userbuf.usernum);
3196 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3197 /* Generate a instruction message for the Funambol notification
3198 * server, in the same style as the SMTP queue
3201 instr = malloc(instr_alloc);
3202 snprintf(instr, instr_alloc,
3203 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3205 SPOOLMIME, newmsgid, (long)time(NULL),
3209 imsg = malloc(sizeof(struct CtdlMessage));
3210 memset(imsg, 0, sizeof(struct CtdlMessage));
3211 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3212 imsg->cm_anon_type = MES_NORMAL;
3213 imsg->cm_format_type = FMT_RFC822;
3214 imsg->cm_fields['A'] = strdup("Citadel");
3215 imsg->cm_fields['J'] = strdup("do not journal");
3216 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3217 imsg->cm_fields['W'] = strdup(recipient);
3218 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3219 CtdlFreeMessage(imsg);
3223 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3224 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3229 /* Perform "after save" hooks */
3230 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3231 PerformMessageHooks(msg, EVT_AFTERSAVE);
3233 /* For IGnet mail, we have to save a new copy into the spooler for
3234 * each recipient, with the R and D fields set to the recipient and
3235 * destination-node. This has two ugly side effects: all other
3236 * recipients end up being unlisted in this recipient's copy of the
3237 * message, and it has to deliver multiple messages to the same
3238 * node. We'll revisit this again in a year or so when everyone has
3239 * a network spool receiver that can handle the new style messages.
3241 if ((recps != NULL) && (recps->num_ignet > 0))
3242 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3243 extract_token(recipient, recps->recp_ignet, i,
3244 '|', sizeof recipient);
3246 hold_R = msg->cm_fields['R'];
3247 hold_D = msg->cm_fields['D'];
3248 msg->cm_fields['R'] = malloc(SIZ);
3249 msg->cm_fields['D'] = malloc(128);
3250 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3251 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3253 serialize_message(&smr, msg);
3255 snprintf(submit_filename, sizeof submit_filename,
3256 "%s/netmail.%04lx.%04x.%04x",
3258 (long) getpid(), CCC->cs_pid, ++seqnum);
3259 network_fp = fopen(submit_filename, "wb+");
3260 if (network_fp != NULL) {
3261 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3267 free(msg->cm_fields['R']);
3268 free(msg->cm_fields['D']);
3269 msg->cm_fields['R'] = hold_R;
3270 msg->cm_fields['D'] = hold_D;
3273 /* Go back to the room we started from */
3274 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3275 if (strcasecmp(hold_rm, CCC->room.QRname))
3276 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3278 /* For internet mail, generate delivery instructions.
3279 * Yes, this is recursive. Deal with it. Infinite recursion does
3280 * not happen because the delivery instructions message does not
3281 * contain a recipient.
3283 if ((recps != NULL) && (recps->num_internet > 0)) {
3284 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3286 instr = malloc(instr_alloc);
3287 snprintf(instr, instr_alloc,
3288 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3290 SPOOLMIME, newmsgid, (long)time(NULL),
3294 if (recps->envelope_from != NULL) {
3295 tmp = strlen(instr);
3296 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3299 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3300 tmp = strlen(instr);
3301 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3302 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3303 instr_alloc = instr_alloc * 2;
3304 instr = realloc(instr, instr_alloc);
3306 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3309 imsg = malloc(sizeof(struct CtdlMessage));
3310 memset(imsg, 0, sizeof(struct CtdlMessage));
3311 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3312 imsg->cm_anon_type = MES_NORMAL;
3313 imsg->cm_format_type = FMT_RFC822;
3314 imsg->cm_fields['A'] = strdup("Citadel");
3315 imsg->cm_fields['J'] = strdup("do not journal");
3316 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3317 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3318 CtdlFreeMessage(imsg);
3322 * Any addresses to harvest for someone's address book?
3324 if ( (CCC->logged_in) && (recps != NULL) ) {
3325 collected_addresses = harvest_collected_addresses(msg);
3328 if (collected_addresses != NULL) {
3329 aptr = (struct addresses_to_be_filed *)
3330 malloc(sizeof(struct addresses_to_be_filed));
3331 CtdlMailboxName(actual_rm, sizeof actual_rm,
3332 &CCC->user, USERCONTACTSROOM);
3333 aptr->roomname = strdup(actual_rm);
3334 aptr->collected_addresses = collected_addresses;
3335 begin_critical_section(S_ATBF);
3338 end_critical_section(S_ATBF);
3342 * Determine whether this message qualifies for journaling.
3344 if (msg->cm_fields['J'] != NULL) {
3345 qualified_for_journaling = 0;
3348 if (recps == NULL) {
3349 qualified_for_journaling = config.c_journal_pubmsgs;
3351 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3352 qualified_for_journaling = config.c_journal_email;
3355 qualified_for_journaling = config.c_journal_pubmsgs;
3360 * Do we have to perform journaling? If so, hand off the saved
3361 * RFC822 version will be handed off to the journaler for background
3362 * submit. Otherwise, we have to free the memory ourselves.
3364 if (saved_rfc822_version != NULL) {
3365 if (qualified_for_journaling) {
3366 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3369 FreeStrBuf(&saved_rfc822_version);
3379 void aide_message (char *text, char *subject)
3381 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3386 * Convenience function for generating small administrative messages.
3388 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3389 int format_type, const char *subject)
3391 struct CtdlMessage *msg;
3392 struct recptypes *recp = NULL;
3394 msg = malloc(sizeof(struct CtdlMessage));
3395 memset(msg, 0, sizeof(struct CtdlMessage));
3396 msg->cm_magic = CTDLMESSAGE_MAGIC;
3397 msg->cm_anon_type = MES_NORMAL;
3398 msg->cm_format_type = format_type;
3401 msg->cm_fields['A'] = strdup(from);
3403 else if (fromaddr != NULL) {
3404 msg->cm_fields['A'] = strdup(fromaddr);
3405 if (strchr(msg->cm_fields['A'], '@')) {
3406 *strchr(msg->cm_fields['A'], '@') = 0;
3410 msg->cm_fields['A'] = strdup("Citadel");
3413 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3414 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3415 msg->cm_fields['N'] = strdup(NODENAME);
3417 msg->cm_fields['R'] = strdup(to);
3418 recp = validate_recipients(to, NULL, 0);
3420 if (subject != NULL) {
3421 msg->cm_fields['U'] = strdup(subject);
3423 msg->cm_fields['M'] = strdup(text);
3425 CtdlSubmitMsg(msg, recp, room, 0);
3426 CtdlFreeMessage(msg);
3427 if (recp != NULL) free_recipients(recp);
3433 * Back end function used by CtdlMakeMessage() and similar functions
3435 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3437 size_t maxlen, /* maximum message length */
3438 char *exist, /* if non-null, append to it;
3439 exist is ALWAYS freed */
3440 int crlf, /* CRLF newlines instead of LF */
3441 int *sock /* socket handle or 0 for this session's client socket */
3450 LineBuf = NewStrBufPlain(NULL, SIZ);
3451 if (exist == NULL) {
3452 Message = NewStrBufPlain(NULL, 4 * SIZ);
3455 Message = NewStrBufPlain(exist, -1);
3459 /* Do we need to change leading ".." to "." for SMTP escaping? */
3460 if ((tlen == 1) && (*terminator == '.')) {
3464 /* read in the lines of message text one by one */
3467 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3472 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3474 if ((StrLength(LineBuf) == tlen) &&
3475 (!strcmp(ChrPtr(LineBuf), terminator)))
3478 if ( (!flushing) && (!finished) ) {
3480 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3483 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3486 /* Unescape SMTP-style input of two dots at the beginning of the line */
3488 (StrLength(LineBuf) == 2) &&
3489 (!strcmp(ChrPtr(LineBuf), "..")))
3491 StrBufCutLeft(LineBuf, 1);
3494 StrBufAppendBuf(Message, LineBuf, 0);
3497 /* if we've hit the max msg length, flush the rest */
3498 if (StrLength(Message) >= maxlen) flushing = 1;
3500 } while (!finished);
3501 FreeStrBuf(&LineBuf);
3507 * Back end function used by CtdlMakeMessage() and similar functions
3509 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3511 size_t maxlen, /* maximum message length */
3512 char *exist, /* if non-null, append to it;
3513 exist is ALWAYS freed */
3514 int crlf, /* CRLF newlines instead of LF */
3515 int *sock /* socket handle or 0 for this session's client socket */
3520 Message = CtdlReadMessageBodyBuf(terminator,
3526 if (Message == NULL)
3529 return SmashStrBuf(&Message);
3534 * Build a binary message to be saved on disk.
3535 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3536 * will become part of the message. This means you are no longer
3537 * responsible for managing that memory -- it will be freed along with
3538 * the rest of the fields when CtdlFreeMessage() is called.)
3541 struct CtdlMessage *CtdlMakeMessage(
3542 struct ctdluser *author, /* author's user structure */
3543 char *recipient, /* NULL if it's not mail */
3544 char *recp_cc, /* NULL if it's not mail */
3545 char *room, /* room where it's going */
3546 int type, /* see MES_ types in header file */
3547 int format_type, /* variformat, plain text, MIME... */
3548 char *fake_name, /* who we're masquerading as */
3549 char *my_email, /* which of my email addresses to use (empty is ok) */
3550 char *subject, /* Subject (optional) */
3551 char *supplied_euid, /* ...or NULL if this is irrelevant */
3552 char *preformatted_text, /* ...or NULL to read text from client */
3553 char *references /* Thread references */
3555 char dest_node[256];
3557 struct CtdlMessage *msg;
3559 StrBuf *FakeEncAuthor = NULL;
3561 msg = malloc(sizeof(struct CtdlMessage));
3562 memset(msg, 0, sizeof(struct CtdlMessage));
3563 msg->cm_magic = CTDLMESSAGE_MAGIC;
3564 msg->cm_anon_type = type;
3565 msg->cm_format_type = format_type;
3567 /* Don't confuse the poor folks if it's not routed mail. */
3568 strcpy(dest_node, "");
3570 if (recipient != NULL) striplt(recipient);
3571 if (recp_cc != NULL) striplt(recp_cc);
3573 /* Path or Return-Path */
3574 if (my_email == NULL) my_email = "";
3576 if (!IsEmptyStr(my_email)) {
3577 msg->cm_fields['P'] = strdup(my_email);
3580 snprintf(buf, sizeof buf, "%s", author->fullname);
3581 msg->cm_fields['P'] = strdup(buf);
3583 convert_spaces_to_underscores(msg->cm_fields['P']);
3585 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3586 msg->cm_fields['T'] = strdup(buf);
3588 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3589 FakeAuthor = NewStrBufPlain (fake_name, -1);
3592 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3594 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3595 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3596 FreeStrBuf(&FakeAuthor);
3598 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3599 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3602 msg->cm_fields['O'] = strdup(CC->room.QRname);
3605 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3606 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3608 if ((recipient != NULL) && (recipient[0] != 0)) {
3609 msg->cm_fields['R'] = strdup(recipient);
3611 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3612 msg->cm_fields['Y'] = strdup(recp_cc);
3614 if (dest_node[0] != 0) {
3615 msg->cm_fields['D'] = strdup(dest_node);
3618 if (!IsEmptyStr(my_email)) {
3619 msg->cm_fields['F'] = strdup(my_email);
3621 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3622 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3625 if (subject != NULL) {
3628 length = strlen(subject);
3634 while ((subject[i] != '\0') &&
3635 (IsAscii = isascii(subject[i]) != 0 ))
3638 msg->cm_fields['U'] = strdup(subject);
3639 else /* ok, we've got utf8 in the string. */
3641 msg->cm_fields['U'] = rfc2047encode(subject, length);
3647 if (supplied_euid != NULL) {
3648 msg->cm_fields['E'] = strdup(supplied_euid);
3651 if (references != NULL) {
3652 if (!IsEmptyStr(references)) {
3653 msg->cm_fields['W'] = strdup(references);
3657 if (preformatted_text != NULL) {
3658 msg->cm_fields['M'] = preformatted_text;
3661 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3669 * Check to see whether we have permission to post a message in the current
3670 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3671 * returns 0 on success.
3673 int CtdlDoIHavePermissionToPostInThisRoom(
3676 const char* RemoteIdentifier,
3682 if (!(CC->logged_in) &&
3683 (PostPublic == POST_LOGGED_IN)) {
3684 snprintf(errmsgbuf, n, "Not logged in.");
3685 return (ERROR + NOT_LOGGED_IN);
3687 else if (PostPublic == CHECK_EXISTANCE) {
3688 return (0); // We're Evaling whether a recipient exists
3690 else if (!(CC->logged_in)) {
3692 if ((CC->room.QRflags & QR_READONLY)) {
3693 snprintf(errmsgbuf, n, "Not logged in.");
3694 return (ERROR + NOT_LOGGED_IN);
3696 if (CC->room.QRflags2 & QR2_MODERATED) {
3697 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3698 return (ERROR + NOT_LOGGED_IN);
3700 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3705 if (RemoteIdentifier == NULL)
3707 snprintf(errmsgbuf, n, "Need sender to permit access.");
3708 return (ERROR + USERNAME_REQUIRED);
3711 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3712 begin_critical_section(S_NETCONFIGS);
3713 if (!read_spoolcontrol_file(&sc, filename))
3715 end_critical_section(S_NETCONFIGS);
3716 snprintf(errmsgbuf, n,
3717 "This mailing list only accepts posts from subscribers.");
3718 return (ERROR + NO_SUCH_USER);
3720 end_critical_section(S_NETCONFIGS);
3721 found = is_recipient (sc, RemoteIdentifier);
3722 free_spoolcontrol_struct(&sc);
3727 snprintf(errmsgbuf, n,
3728 "This mailing list only accepts posts from subscribers.");
3729 return (ERROR + NO_SUCH_USER);
3736 if ((CC->user.axlevel < AxProbU)
3737 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3738 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3739 return (ERROR + HIGHER_ACCESS_REQUIRED);
3742 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3744 if (ra & UA_POSTALLOWED) {
3745 strcpy(errmsgbuf, "OK to post or reply here");
3749 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
3751 * To be thorough, we ought to check to see if the message they are
3752 * replying to is actually a valid one in this room, but unless this
3753 * actually becomes a problem we'll go with high performance instead.
3755 strcpy(errmsgbuf, "OK to reply here");
3759 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3760 /* Clarify what happened with a better error message */
3761 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3762 return (ERROR + HIGHER_ACCESS_REQUIRED);
3765 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3766 return (ERROR + HIGHER_ACCESS_REQUIRED);
3772 * Check to see if the specified user has Internet mail permission
3773 * (returns nonzero if permission is granted)
3775 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3777 /* Do not allow twits to send Internet mail */
3778 if (who->axlevel <= AxProbU) return(0);
3780 /* Globally enabled? */
3781 if (config.c_restrict == 0) return(1);
3783 /* User flagged ok? */
3784 if (who->flags & US_INTERNET) return(2);
3786 /* Aide level access? */
3787 if (who->axlevel >= AxAideU) return(3);
3789 /* No mail for you! */
3795 * Validate recipients, count delivery types and errors, and handle aliasing
3796 * FIXME check for dupes!!!!!
3798 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3799 * were specified, or the number of addresses found invalid.
3801 * Caller needs to free the result using free_recipients()
3803 struct recptypes *validate_recipients(const char *supplied_recipients,
3804 const char *RemoteIdentifier,
3806 struct recptypes *ret;
3807 char *recipients = NULL;
3808 char this_recp[256];
3809 char this_recp_cooked[256];
3815 struct ctdluser tempUS;
3816 struct ctdlroom tempQR;
3817 struct ctdlroom tempQR2;
3823 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3824 if (ret == NULL) return(NULL);
3826 /* Set all strings to null and numeric values to zero */
3827 memset(ret, 0, sizeof(struct recptypes));
3829 if (supplied_recipients == NULL) {
3830 recipients = strdup("");
3833 recipients = strdup(supplied_recipients);
3836 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3837 * actually need, but it's healthier for the heap than doing lots of tiny
3838 * realloc() calls instead.
3841 ret->errormsg = malloc(strlen(recipients) + 1024);
3842 ret->recp_local = malloc(strlen(recipients) + 1024);
3843 ret->recp_internet = malloc(strlen(recipients) + 1024);
3844 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3845 ret->recp_room = malloc(strlen(recipients) + 1024);
3846 ret->display_recp = malloc(strlen(recipients) + 1024);
3848 ret->errormsg[0] = 0;
3849 ret->recp_local[0] = 0;
3850 ret->recp_internet[0] = 0;
3851 ret->recp_ignet[0] = 0;
3852 ret->recp_room[0] = 0;
3853 ret->display_recp[0] = 0;
3855 ret->recptypes_magic = RECPTYPES_MAGIC;
3857 /* Change all valid separator characters to commas */
3858 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3859 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3860 recipients[i] = ',';
3864 /* Now start extracting recipients... */
3866 while (!IsEmptyStr(recipients)) {
3868 for (i=0; i<=strlen(recipients); ++i) {
3869 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3870 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3871 safestrncpy(this_recp, recipients, i+1);
3873 if (recipients[i] == ',') {
3874 strcpy(recipients, &recipients[i+1]);
3877 strcpy(recipients, "");
3884 if (IsEmptyStr(this_recp))
3886 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3888 mailtype = alias(this_recp);
3889 mailtype = alias(this_recp);
3890 mailtype = alias(this_recp);
3892 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3893 if (this_recp[j]=='_') {
3894 this_recp_cooked[j] = ' ';
3897 this_recp_cooked[j] = this_recp[j];
3900 this_recp_cooked[j] = '\0';
3905 if (!strcasecmp(this_recp, "sysop")) {
3907 strcpy(this_recp, config.c_aideroom);
3908 if (!IsEmptyStr(ret->recp_room)) {
3909 strcat(ret->recp_room, "|");
3911 strcat(ret->recp_room, this_recp);
3913 else if ( (!strncasecmp(this_recp, "room_", 5))
3914 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3916 /* Save room so we can restore it later */
3920 /* Check permissions to send mail to this room */
3921 err = CtdlDoIHavePermissionToPostInThisRoom(
3926 0 /* 0 = not a reply */
3935 if (!IsEmptyStr(ret->recp_room)) {
3936 strcat(ret->recp_room, "|");
3938 strcat(ret->recp_room, &this_recp_cooked[5]);
3941 /* Restore room in case something needs it */
3945 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3947 strcpy(this_recp, tempUS.fullname);
3948 if (!IsEmptyStr(ret->recp_local)) {
3949 strcat(ret->recp_local, "|");
3951 strcat(ret->recp_local, this_recp);
3953 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
3955 strcpy(this_recp, tempUS.fullname);
3956 if (!IsEmptyStr(ret->recp_local)) {
3957 strcat(ret->recp_local, "|");
3959 strcat(ret->recp_local, this_recp);
3967 /* Yes, you're reading this correctly: if the target
3968 * domain points back to the local system or an attached
3969 * Citadel directory, the address is invalid. That's
3970 * because if the address were valid, we would have
3971 * already translated it to a local address by now.
3973 if (IsDirectory(this_recp, 0)) {
3978 ++ret->num_internet;
3979 if (!IsEmptyStr(ret->recp_internet)) {
3980 strcat(ret->recp_internet, "|");
3982 strcat(ret->recp_internet, this_recp);
3987 if (!IsEmptyStr(ret->recp_ignet)) {
3988 strcat(ret->recp_ignet, "|");
3990 strcat(ret->recp_ignet, this_recp);
3998 if (IsEmptyStr(errmsg)) {
3999 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4002 snprintf(append, sizeof append, "%s", errmsg);
4004 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4005 if (!IsEmptyStr(ret->errormsg)) {
4006 strcat(ret->errormsg, "; ");
4008 strcat(ret->errormsg, append);
4012 if (IsEmptyStr(ret->display_recp)) {
4013 strcpy(append, this_recp);
4016 snprintf(append, sizeof append, ", %s", this_recp);
4018 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4019 strcat(ret->display_recp, append);
4024 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4025 ret->num_room + ret->num_error) == 0) {
4026 ret->num_error = (-1);
4027 strcpy(ret->errormsg, "No recipients specified.");
4030 syslog(LOG_DEBUG, "validate_recipients()\n");
4031 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4032 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4033 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4034 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4035 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4043 * Destructor for struct recptypes
4045 void free_recipients(struct recptypes *valid) {
4047 if (valid == NULL) {
4051 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4052 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4056 if (valid->errormsg != NULL) free(valid->errormsg);
4057 if (valid->recp_local != NULL) free(valid->recp_local);
4058 if (valid->recp_internet != NULL) free(valid->recp_internet);
4059 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4060 if (valid->recp_room != NULL) free(valid->recp_room);
4061 if (valid->display_recp != NULL) free(valid->display_recp);
4062 if (valid->bounce_to != NULL) free(valid->bounce_to);
4063 if (valid->envelope_from != NULL) free(valid->envelope_from);
4070 * message entry - mode 0 (normal)
4072 void cmd_ent0(char *entargs)
4078 char supplied_euid[128];
4080 int format_type = 0;
4081 char newusername[256];
4082 char newuseremail[256];
4083 struct CtdlMessage *msg;
4087 struct recptypes *valid = NULL;
4088 struct recptypes *valid_to = NULL;
4089 struct recptypes *valid_cc = NULL;
4090 struct recptypes *valid_bcc = NULL;
4092 int subject_required = 0;
4097 int newuseremail_ok = 0;
4098 char references[SIZ];
4103 post = extract_int(entargs, 0);
4104 extract_token(recp, entargs, 1, '|', sizeof recp);
4105 anon_flag = extract_int(entargs, 2);
4106 format_type = extract_int(entargs, 3);
4107 extract_token(subject, entargs, 4, '|', sizeof subject);
4108 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4109 do_confirm = extract_int(entargs, 6);
4110 extract_token(cc, entargs, 7, '|', sizeof cc);
4111 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4112 switch(CC->room.QRdefaultview) {
4115 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4118 supplied_euid[0] = 0;
4121 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4122 extract_token(references, entargs, 11, '|', sizeof references);
4123 for (ptr=references; *ptr != 0; ++ptr) {
4124 if (*ptr == '!') *ptr = '|';
4127 /* first check to make sure the request is valid. */
4129 err = CtdlDoIHavePermissionToPostInThisRoom(
4134 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4138 cprintf("%d %s\n", err, errmsg);
4142 /* Check some other permission type things. */
4144 if (IsEmptyStr(newusername)) {
4145 strcpy(newusername, CC->user.fullname);
4147 if ( (CC->user.axlevel < AxAideU)
4148 && (strcasecmp(newusername, CC->user.fullname))
4149 && (strcasecmp(newusername, CC->cs_inet_fn))
4151 cprintf("%d You don't have permission to author messages as '%s'.\n",
4152 ERROR + HIGHER_ACCESS_REQUIRED,
4159 if (IsEmptyStr(newuseremail)) {
4160 newuseremail_ok = 1;
4163 if (!IsEmptyStr(newuseremail)) {
4164 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4165 newuseremail_ok = 1;
4167 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4168 j = num_tokens(CC->cs_inet_other_emails, '|');
4169 for (i=0; i<j; ++i) {
4170 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4171 if (!strcasecmp(newuseremail, buf)) {
4172 newuseremail_ok = 1;
4178 if (!newuseremail_ok) {
4179 cprintf("%d You don't have permission to author messages as '%s'.\n",
4180 ERROR + HIGHER_ACCESS_REQUIRED,
4186 CC->cs_flags |= CS_POSTING;
4188 /* In mailbox rooms we have to behave a little differently --
4189 * make sure the user has specified at least one recipient. Then
4190 * validate the recipient(s). We do this for the Mail> room, as
4191 * well as any room which has the "Mailbox" view set - unless it
4192 * is the DRAFTS room which does not require recipients
4195 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4196 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4197 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4198 if (CC->user.axlevel < AxProbU) {
4199 strcpy(recp, "sysop");
4204 valid_to = validate_recipients(recp, NULL, 0);
4205 if (valid_to->num_error > 0) {
4206 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4207 free_recipients(valid_to);
4211 valid_cc = validate_recipients(cc, NULL, 0);
4212 if (valid_cc->num_error > 0) {
4213 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4214 free_recipients(valid_to);
4215 free_recipients(valid_cc);
4219 valid_bcc = validate_recipients(bcc, NULL, 0);
4220 if (valid_bcc->num_error > 0) {
4221 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4222 free_recipients(valid_to);
4223 free_recipients(valid_cc);
4224 free_recipients(valid_bcc);
4228 /* Recipient required, but none were specified */
4229 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4230 free_recipients(valid_to);
4231 free_recipients(valid_cc);
4232 free_recipients(valid_bcc);
4233 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4237 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4238 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4239 cprintf("%d You do not have permission "
4240 "to send Internet mail.\n",
4241 ERROR + HIGHER_ACCESS_REQUIRED);
4242 free_recipients(valid_to);
4243 free_recipients(valid_cc);
4244 free_recipients(valid_bcc);
4249 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)
4250 && (CC->user.axlevel < AxNetU) ) {
4251 cprintf("%d Higher access required for network mail.\n",
4252 ERROR + HIGHER_ACCESS_REQUIRED);
4253 free_recipients(valid_to);
4254 free_recipients(valid_cc);
4255 free_recipients(valid_bcc);
4259 if ((RESTRICT_INTERNET == 1)
4260 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4261 && ((CC->user.flags & US_INTERNET) == 0)
4262 && (!CC->internal_pgm)) {
4263 cprintf("%d You don't have access to Internet mail.\n",
4264 ERROR + HIGHER_ACCESS_REQUIRED);
4265 free_recipients(valid_to);
4266 free_recipients(valid_cc);
4267 free_recipients(valid_bcc);
4273 /* Is this a room which has anonymous-only or anonymous-option? */
4274 anonymous = MES_NORMAL;
4275 if (CC->room.QRflags & QR_ANONONLY) {
4276 anonymous = MES_ANONONLY;
4278 if (CC->room.QRflags & QR_ANONOPT) {
4279 if (anon_flag == 1) { /* only if the user requested it */
4280 anonymous = MES_ANONOPT;
4284 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4288 /* Recommend to the client that the use of a message subject is
4289 * strongly recommended in this room, if either the SUBJECTREQ flag
4290 * is set, or if there is one or more Internet email recipients.
4292 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4293 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4294 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4295 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4297 /* If we're only checking the validity of the request, return
4298 * success without creating the message.
4301 cprintf("%d %s|%d\n", CIT_OK,
4302 ((valid_to != NULL) ? valid_to->display_recp : ""),
4304 free_recipients(valid_to);
4305 free_recipients(valid_cc);
4306 free_recipients(valid_bcc);
4310 /* We don't need these anymore because we'll do it differently below */
4311 free_recipients(valid_to);
4312 free_recipients(valid_cc);
4313 free_recipients(valid_bcc);
4315 /* Read in the message from the client. */
4317 cprintf("%d send message\n", START_CHAT_MODE);
4319 cprintf("%d send message\n", SEND_LISTING);
4322 msg = CtdlMakeMessage(&CC->user, recp, cc,
4323 CC->room.QRname, anonymous, format_type,
4324 newusername, newuseremail, subject,
4325 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4328 /* Put together one big recipients struct containing to/cc/bcc all in
4329 * one. This is for the envelope.
4331 char *all_recps = malloc(SIZ * 3);
4332 strcpy(all_recps, recp);
4333 if (!IsEmptyStr(cc)) {
4334 if (!IsEmptyStr(all_recps)) {
4335 strcat(all_recps, ",");
4337 strcat(all_recps, cc);
4339 if (!IsEmptyStr(bcc)) {
4340 if (!IsEmptyStr(all_recps)) {
4341 strcat(all_recps, ",");
4343 strcat(all_recps, bcc);
4345 if (!IsEmptyStr(all_recps)) {
4346 valid = validate_recipients(all_recps, NULL, 0);
4354 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4357 cprintf("%ld\n", msgnum);
4359 cprintf("Message accepted.\n");
4362 cprintf("Internal error.\n");
4364 if (msg->cm_fields['E'] != NULL) {
4365 cprintf("%s\n", msg->cm_fields['E']);
4372 CtdlFreeMessage(msg);
4374 if (valid != NULL) {
4375 free_recipients(valid);
4383 * API function to delete messages which match a set of criteria
4384 * (returns the actual number of messages deleted)
4386 int CtdlDeleteMessages(char *room_name, /* which room */
4387 long *dmsgnums, /* array of msg numbers to be deleted */
4388 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4389 char *content_type /* or "" for any. regular expressions expected. */
4392 struct ctdlroom qrbuf;
4393 struct cdbdata *cdbfr;
4394 long *msglist = NULL;
4395 long *dellist = NULL;
4398 int num_deleted = 0;
4400 struct MetaData smi;
4403 int need_to_free_re = 0;
4405 if (content_type) if (!IsEmptyStr(content_type)) {
4406 regcomp(&re, content_type, 0);
4407 need_to_free_re = 1;
4409 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4410 room_name, num_dmsgnums, content_type);
4412 /* get room record, obtaining a lock... */
4413 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4414 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4416 if (need_to_free_re) regfree(&re);
4417 return (0); /* room not found */
4419 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4421 if (cdbfr != NULL) {
4422 dellist = malloc(cdbfr->len);
4423 msglist = (long *) cdbfr->ptr;
4424 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4425 num_msgs = cdbfr->len / sizeof(long);
4429 for (i = 0; i < num_msgs; ++i) {
4432 /* Set/clear a bit for each criterion */
4434 /* 0 messages in the list or a null list means that we are
4435 * interested in deleting any messages which meet the other criteria.
4437 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4438 delete_this |= 0x01;
4441 for (j=0; j<num_dmsgnums; ++j) {
4442 if (msglist[i] == dmsgnums[j]) {
4443 delete_this |= 0x01;
4448 if (IsEmptyStr(content_type)) {
4449 delete_this |= 0x02;
4451 GetMetaData(&smi, msglist[i]);
4452 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4453 delete_this |= 0x02;
4457 /* Delete message only if all bits are set */
4458 if (delete_this == 0x03) {
4459 dellist[num_deleted++] = msglist[i];
4464 num_msgs = sort_msglist(msglist, num_msgs);
4465 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4466 msglist, (int)(num_msgs * sizeof(long)));
4469 qrbuf.QRhighest = msglist[num_msgs - 1];
4471 qrbuf.QRhighest = 0;
4473 CtdlPutRoomLock(&qrbuf);
4475 /* Go through the messages we pulled out of the index, and decrement
4476 * their reference counts by 1. If this is the only room the message
4477 * was in, the reference count will reach zero and the message will
4478 * automatically be deleted from the database. We do this in a
4479 * separate pass because there might be plug-in hooks getting called,
4480 * and we don't want that happening during an S_ROOMS critical
4483 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4484 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4485 AdjRefCount(dellist[i], -1);
4488 /* Now free the memory we used, and go away. */
4489 if (msglist != NULL) free(msglist);
4490 if (dellist != NULL) free(dellist);
4491 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4492 if (need_to_free_re) regfree(&re);
4493 return (num_deleted);
4499 * Check whether the current user has permission to delete messages from
4500 * the current room (returns 1 for yes, 0 for no)
4502 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4504 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4505 if (ra & UA_DELETEALLOWED) return(1);
4513 * Delete message from current room
4515 void cmd_dele(char *args)
4524 extract_token(msgset, args, 0, '|', sizeof msgset);
4525 num_msgs = num_tokens(msgset, ',');
4527 cprintf("%d Nothing to do.\n", CIT_OK);
4531 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4532 cprintf("%d Higher access required.\n",
4533 ERROR + HIGHER_ACCESS_REQUIRED);
4538 * Build our message set to be moved/copied
4540 msgs = malloc(num_msgs * sizeof(long));
4541 for (i=0; i<num_msgs; ++i) {
4542 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4543 msgs[i] = atol(msgtok);
4546 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4550 cprintf("%d %d message%s deleted.\n", CIT_OK,
4551 num_deleted, ((num_deleted != 1) ? "s" : ""));
4553 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4561 * move or copy a message to another room
4563 void cmd_move(char *args)
4570 char targ[ROOMNAMELEN];
4571 struct ctdlroom qtemp;
4578 extract_token(msgset, args, 0, '|', sizeof msgset);
4579 num_msgs = num_tokens(msgset, ',');
4581 cprintf("%d Nothing to do.\n", CIT_OK);
4585 extract_token(targ, args, 1, '|', sizeof targ);
4586 convert_room_name_macros(targ, sizeof targ);
4587 targ[ROOMNAMELEN - 1] = 0;
4588 is_copy = extract_int(args, 2);
4590 if (CtdlGetRoom(&qtemp, targ) != 0) {
4591 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4595 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4596 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4600 CtdlGetUser(&CC->user, CC->curr_user);
4601 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4603 /* Check for permission to perform this operation.
4604 * Remember: "CC->room" is source, "qtemp" is target.
4608 /* Aides can move/copy */
4609 if (CC->user.axlevel >= AxAideU) permit = 1;
4611 /* Room aides can move/copy */
4612 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4614 /* Permit move/copy from personal rooms */
4615 if ((CC->room.QRflags & QR_MAILBOX)
4616 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4618 /* Permit only copy from public to personal room */
4620 && (!(CC->room.QRflags & QR_MAILBOX))
4621 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4623 /* Permit message removal from collaborative delete rooms */
4624 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4626 /* Users allowed to post into the target room may move into it too. */
4627 if ((CC->room.QRflags & QR_MAILBOX) &&
4628 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4630 /* User must have access to target room */
4631 if (!(ra & UA_KNOWN)) permit = 0;
4634 cprintf("%d Higher access required.\n",
4635 ERROR + HIGHER_ACCESS_REQUIRED);
4640 * Build our message set to be moved/copied
4642 msgs = malloc(num_msgs * sizeof(long));
4643 for (i=0; i<num_msgs; ++i) {
4644 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4645 msgs[i] = atol(msgtok);
4651 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4653 cprintf("%d Cannot store message(s) in %s: error %d\n",
4659 /* Now delete the message from the source room,
4660 * if this is a 'move' rather than a 'copy' operation.
4663 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4667 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4673 * GetMetaData() - Get the supplementary record for a message
4675 void GetMetaData(struct MetaData *smibuf, long msgnum)
4678 struct cdbdata *cdbsmi;
4681 memset(smibuf, 0, sizeof(struct MetaData));
4682 smibuf->meta_msgnum = msgnum;
4683 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4685 /* Use the negative of the message number for its supp record index */
4686 TheIndex = (0L - msgnum);
4688 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4689 if (cdbsmi == NULL) {
4690 return; /* record not found; go with defaults */
4692 memcpy(smibuf, cdbsmi->ptr,
4693 ((cdbsmi->len > sizeof(struct MetaData)) ?
4694 sizeof(struct MetaData) : cdbsmi->len));
4701 * PutMetaData() - (re)write supplementary record for a message
4703 void PutMetaData(struct MetaData *smibuf)
4707 /* Use the negative of the message number for the metadata db index */
4708 TheIndex = (0L - smibuf->meta_msgnum);
4710 cdb_store(CDB_MSGMAIN,
4711 &TheIndex, (int)sizeof(long),
4712 smibuf, (int)sizeof(struct MetaData));
4717 * AdjRefCount - submit an adjustment to the reference count for a message.
4718 * (These are just queued -- we actually process them later.)
4720 void AdjRefCount(long msgnum, int incr)
4722 struct arcq new_arcq;
4725 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4729 begin_critical_section(S_SUPPMSGMAIN);
4730 if (arcfp == NULL) {
4731 arcfp = fopen(file_arcq, "ab+");
4733 end_critical_section(S_SUPPMSGMAIN);
4735 /* msgnum < 0 means that we're trying to close the file */
4737 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4738 begin_critical_section(S_SUPPMSGMAIN);
4739 if (arcfp != NULL) {
4743 end_critical_section(S_SUPPMSGMAIN);
4748 * If we can't open the queue, perform the operation synchronously.
4750 if (arcfp == NULL) {
4751 TDAP_AdjRefCount(msgnum, incr);
4755 new_arcq.arcq_msgnum = msgnum;
4756 new_arcq.arcq_delta = incr;
4757 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4765 * TDAP_ProcessAdjRefCountQueue()
4767 * Process the queue of message count adjustments that was created by calls
4768 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4769 * for each one. This should be an "off hours" operation.
4771 int TDAP_ProcessAdjRefCountQueue(void)
4773 char file_arcq_temp[PATH_MAX];
4776 struct arcq arcq_rec;
4777 int num_records_processed = 0;
4779 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4781 begin_critical_section(S_SUPPMSGMAIN);
4782 if (arcfp != NULL) {
4787 r = link(file_arcq, file_arcq_temp);
4789 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4790 end_critical_section(S_SUPPMSGMAIN);
4791 return(num_records_processed);
4795 end_critical_section(S_SUPPMSGMAIN);
4797 fp = fopen(file_arcq_temp, "rb");
4799 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4800 return(num_records_processed);
4803 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4804 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4805 ++num_records_processed;
4809 r = unlink(file_arcq_temp);
4811 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4814 return(num_records_processed);
4820 * TDAP_AdjRefCount - adjust the reference count for a message.
4821 * This one does it "for real" because it's called by
4822 * the autopurger function that processes the queue
4823 * created by AdjRefCount(). If a message's reference
4824 * count becomes zero, we also delete the message from
4825 * disk and de-index it.
4827 void TDAP_AdjRefCount(long msgnum, int incr)
4830 struct MetaData smi;
4833 /* This is a *tight* critical section; please keep it that way, as
4834 * it may get called while nested in other critical sections.
4835 * Complicating this any further will surely cause deadlock!
4837 begin_critical_section(S_SUPPMSGMAIN);
4838 GetMetaData(&smi, msgnum);
4839 smi.meta_refcount += incr;
4841 end_critical_section(S_SUPPMSGMAIN);
4842 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4843 msgnum, incr, smi.meta_refcount
4846 /* If the reference count is now zero, delete the message
4847 * (and its supplementary record as well).
4849 if (smi.meta_refcount == 0) {
4850 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4852 /* Call delete hooks with NULL room to show it has gone altogether */
4853 PerformDeleteHooks(NULL, msgnum);
4855 /* Remove from message base */
4857 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4858 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4860 /* Remove metadata record */
4861 delnum = (0L - msgnum);
4862 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4868 * Write a generic object to this room
4870 * Note: this could be much more efficient. Right now we use two temporary
4871 * files, and still pull the message into memory as with all others.
4873 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4874 char *content_type, /* MIME type of this object */
4875 char *raw_message, /* Data to be written */
4876 off_t raw_length, /* Size of raw_message */
4877 struct ctdluser *is_mailbox, /* Mailbox room? */
4878 int is_binary, /* Is encoding necessary? */
4879 int is_unique, /* Del others of this type? */
4880 unsigned int flags /* Internal save flags */
4884 struct ctdlroom qrbuf;
4885 char roomname[ROOMNAMELEN];
4886 struct CtdlMessage *msg;
4887 char *encoded_message = NULL;
4889 if (is_mailbox != NULL) {
4890 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4893 safestrncpy(roomname, req_room, sizeof(roomname));
4896 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4899 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4902 encoded_message = malloc((size_t)(raw_length + 4096));
4905 sprintf(encoded_message, "Content-type: %s\n", content_type);
4908 sprintf(&encoded_message[strlen(encoded_message)],
4909 "Content-transfer-encoding: base64\n\n"
4913 sprintf(&encoded_message[strlen(encoded_message)],
4914 "Content-transfer-encoding: 7bit\n\n"
4920 &encoded_message[strlen(encoded_message)],
4928 &encoded_message[strlen(encoded_message)],
4934 syslog(LOG_DEBUG, "Allocating\n");
4935 msg = malloc(sizeof(struct CtdlMessage));
4936 memset(msg, 0, sizeof(struct CtdlMessage));
4937 msg->cm_magic = CTDLMESSAGE_MAGIC;
4938 msg->cm_anon_type = MES_NORMAL;
4939 msg->cm_format_type = 4;
4940 msg->cm_fields['A'] = strdup(CC->user.fullname);
4941 msg->cm_fields['O'] = strdup(req_room);
4942 msg->cm_fields['N'] = strdup(config.c_nodename);
4943 msg->cm_fields['H'] = strdup(config.c_humannode);
4944 msg->cm_flags = flags;
4946 msg->cm_fields['M'] = encoded_message;
4948 /* Create the requested room if we have to. */
4949 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
4950 CtdlCreateRoom(roomname,
4951 ( (is_mailbox != NULL) ? 5 : 3 ),
4952 "", 0, 1, 0, VIEW_BBS);
4954 /* If the caller specified this object as unique, delete all
4955 * other objects of this type that are currently in the room.
4958 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
4959 CtdlDeleteMessages(roomname, NULL, 0, content_type)
4962 /* Now write the data */
4963 CtdlSubmitMsg(msg, NULL, roomname, 0);
4964 CtdlFreeMessage(msg);
4972 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
4973 config_msgnum = msgnum;
4977 char *CtdlGetSysConfig(char *sysconfname) {
4978 char hold_rm[ROOMNAMELEN];
4981 struct CtdlMessage *msg;
4984 strcpy(hold_rm, CC->room.QRname);
4985 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
4986 CtdlGetRoom(&CC->room, hold_rm);
4991 /* We want the last (and probably only) config in this room */
4992 begin_critical_section(S_CONFIG);
4993 config_msgnum = (-1L);
4994 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
4995 CtdlGetSysConfigBackend, NULL);
4996 msgnum = config_msgnum;
4997 end_critical_section(S_CONFIG);
5003 msg = CtdlFetchMessage(msgnum, 1);
5005 conf = strdup(msg->cm_fields['M']);
5006 CtdlFreeMessage(msg);
5013 CtdlGetRoom(&CC->room, hold_rm);
5015 if (conf != NULL) do {
5016 extract_token(buf, conf, 0, '\n', sizeof buf);
5017 strcpy(conf, &conf[strlen(buf)+1]);
5018 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5024 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5025 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5030 * Determine whether a given Internet address belongs to the current user
5032 int CtdlIsMe(char *addr, int addr_buf_len)
5034 struct recptypes *recp;
5037 recp = validate_recipients(addr, NULL, 0);
5038 if (recp == NULL) return(0);
5040 if (recp->num_local == 0) {
5041 free_recipients(recp);
5045 for (i=0; i<recp->num_local; ++i) {
5046 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5047 if (!strcasecmp(addr, CC->user.fullname)) {
5048 free_recipients(recp);
5053 free_recipients(recp);
5059 * Citadel protocol command to do the same
5061 void cmd_isme(char *argbuf) {
5064 if (CtdlAccessCheck(ac_logged_in)) return;
5065 extract_token(addr, argbuf, 0, '|', sizeof addr);
5067 if (CtdlIsMe(addr, sizeof addr)) {
5068 cprintf("%d %s\n", CIT_OK, addr);
5071 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5077 /*****************************************************************************/
5078 /* MODULE INITIALIZATION STUFF */
5079 /*****************************************************************************/
5081 CTDL_MODULE_INIT(msgbase)
5084 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5085 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5086 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5087 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5088 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5089 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5090 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5091 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5092 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5093 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5094 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5095 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5098 /* return our Subversion id for the Log */