2 * Implements the message store.
4 * Copyright (c) 1987-2010 by the citadel.org team
6 * This program is free 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 CtdlLogPrintf(CTDL_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 CtdlLogPrintf(CTDL_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 CtdlLogPrintf(CTDL_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 CtdlLogPrintf(CTDL_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 CtdlLogPrintf(CTDL_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 CtdlLogPrintf(CTDL_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 CtdlLogPrintf(CTDL_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 msglist = (long *) cdbfr->ptr;
638 num_msgs = cdbfr->len / sizeof(long);
640 if (need_to_free_re) regfree(&re);
641 return 0; /* No messages at all? No further action. */
646 * Now begin the traversal.
648 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
650 /* If the caller is looking for a specific MIME type, filter
651 * out all messages which are not of the type requested.
653 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
655 /* This call to GetMetaData() sits inside this loop
656 * so that we only do the extra database read per msg
657 * if we need to. Doing the extra read all the time
658 * really kills the server. If we ever need to use
659 * metadata for another search criterion, we need to
660 * move the read somewhere else -- but still be smart
661 * enough to only do the read if the caller has
662 * specified something that will need it.
664 GetMetaData(&smi, msglist[a]);
666 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
667 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
673 num_msgs = sort_msglist(msglist, num_msgs);
675 /* If a template was supplied, filter out the messages which
676 * don't match. (This could induce some delays!)
679 if (compare != NULL) {
680 for (a = 0; a < num_msgs; ++a) {
681 msg = CtdlFetchMessage(msglist[a], 1);
683 if (CtdlMsgCmp(msg, compare)) {
686 CtdlFreeMessage(msg);
692 /* If a search string was specified, get a message list from
693 * the full text index and remove messages which aren't on both
697 * Since the lists are sorted and strictly ascending, and the
698 * output list is guaranteed to be shorter than or equal to the
699 * input list, we overwrite the bottom of the input list. This
700 * eliminates the need to memmove big chunks of the list over and
703 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
705 /* Call search module via hook mechanism.
706 * NULL means use any search function available.
707 * otherwise replace with a char * to name of search routine
709 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
711 if (num_search_msgs > 0) {
715 orig_num_msgs = num_msgs;
717 for (i=0; i<orig_num_msgs; ++i) {
718 for (j=0; j<num_search_msgs; ++j) {
719 if (msglist[i] == search_msgs[j]) {
720 msglist[num_msgs++] = msglist[i];
726 num_msgs = 0; /* No messages qualify */
728 if (search_msgs != NULL) free(search_msgs);
730 /* Now that we've purged messages which don't contain the search
731 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
738 * Now iterate through the message list, according to the
739 * criteria supplied by the caller.
742 for (a = 0; a < num_msgs; ++a) {
743 thismsg = msglist[a];
744 if (mode == MSGS_ALL) {
748 is_seen = is_msg_in_sequence_set(
749 vbuf.v_seen, thismsg);
750 if (is_seen) lastold = thismsg;
756 || ((mode == MSGS_OLD) && (is_seen))
757 || ((mode == MSGS_NEW) && (!is_seen))
758 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
759 || ((mode == MSGS_FIRST) && (a < ref))
760 || ((mode == MSGS_GT) && (thismsg > ref))
761 || ((mode == MSGS_LT) && (thismsg < ref))
762 || ((mode == MSGS_EQ) && (thismsg == ref))
765 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
767 CallBack(lastold, userdata);
771 if (CallBack) CallBack(thismsg, userdata);
775 cdb_free(cdbfr); /* Clean up */
776 if (need_to_free_re) regfree(&re);
777 return num_processed;
783 * cmd_msgs() - get list of message #'s in this room
784 * implements the MSGS server command using CtdlForEachMessage()
786 void cmd_msgs(char *cmdbuf)
795 int with_template = 0;
796 struct CtdlMessage *template = NULL;
797 char search_string[1024];
798 ForEachMsgCallback CallBack;
800 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
802 extract_token(which, cmdbuf, 0, '|', sizeof which);
803 cm_ref = extract_int(cmdbuf, 1);
804 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
805 with_template = extract_int(cmdbuf, 2);
806 switch (extract_int(cmdbuf, 3))
810 CallBack = simple_listing;
813 CallBack = headers_listing;
816 CallBack = headers_euid;
821 if (!strncasecmp(which, "OLD", 3))
823 else if (!strncasecmp(which, "NEW", 3))
825 else if (!strncasecmp(which, "FIRST", 5))
827 else if (!strncasecmp(which, "LAST", 4))
829 else if (!strncasecmp(which, "GT", 2))
831 else if (!strncasecmp(which, "LT", 2))
833 else if (!strncasecmp(which, "SEARCH", 6))
838 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
839 cprintf("%d Full text index is not enabled on this server.\n",
840 ERROR + CMD_NOT_SUPPORTED);
846 cprintf("%d Send template then receive message list\n",
848 template = (struct CtdlMessage *)
849 malloc(sizeof(struct CtdlMessage));
850 memset(template, 0, sizeof(struct CtdlMessage));
851 template->cm_magic = CTDLMESSAGE_MAGIC;
852 template->cm_anon_type = MES_NORMAL;
854 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
855 extract_token(tfield, buf, 0, '|', sizeof tfield);
856 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
857 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
858 if (!strcasecmp(tfield, msgkeys[i])) {
859 template->cm_fields[i] =
867 cprintf("%d \n", LISTING_FOLLOWS);
870 CtdlForEachMessage(mode,
871 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
872 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
877 if (template != NULL) CtdlFreeMessage(template);
885 * help_subst() - support routine for help file viewer
887 void help_subst(char *strbuf, char *source, char *dest)
892 while (p = pattern2(strbuf, source), (p >= 0)) {
893 strcpy(workbuf, &strbuf[p + strlen(source)]);
894 strcpy(&strbuf[p], dest);
895 strcat(strbuf, workbuf);
900 void do_help_subst(char *buffer)
904 help_subst(buffer, "^nodename", config.c_nodename);
905 help_subst(buffer, "^humannode", config.c_humannode);
906 help_subst(buffer, "^fqdn", config.c_fqdn);
907 help_subst(buffer, "^username", CC->user.fullname);
908 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
909 help_subst(buffer, "^usernum", buf2);
910 help_subst(buffer, "^sysadm", config.c_sysadm);
911 help_subst(buffer, "^variantname", CITADEL);
912 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
913 help_subst(buffer, "^maxsessions", buf2);
914 help_subst(buffer, "^bbsdir", ctdl_message_dir);
920 * memfmout() - Citadel text formatter and paginator.
921 * Although the original purpose of this routine was to format
922 * text to the reader's screen width, all we're really using it
923 * for here is to format text out to 80 columns before sending it
924 * to the client. The client software may reformat it again.
927 char *mptr, /* where are we going to get our text from? */
928 const char *nl /* string to terminate lines with */
931 unsigned char ch = 0;
938 while (ch=*(mptr++), ch != 0) {
941 client_write(outbuf, len);
943 client_write(nl, nllen);
946 else if (ch == '\r') {
947 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
949 else if (isspace(ch)) {
950 if (column > 72) { /* Beyond 72 columns, break on the next space */
951 client_write(outbuf, len);
953 client_write(nl, nllen);
964 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
965 client_write(outbuf, len);
967 client_write(nl, nllen);
973 client_write(outbuf, len);
975 client_write(nl, nllen);
983 * Callback function for mime parser that simply lists the part
985 void list_this_part(char *name, char *filename, char *partnum, char *disp,
986 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
987 char *cbid, void *cbuserdata)
991 ma = (struct ma_info *)cbuserdata;
992 if (ma->is_ma == 0) {
993 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1006 * Callback function for multipart prefix
1008 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1009 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1010 char *cbid, void *cbuserdata)
1014 ma = (struct ma_info *)cbuserdata;
1015 if (!strcasecmp(cbtype, "multipart/alternative")) {
1019 if (ma->is_ma == 0) {
1020 cprintf("pref=%s|%s\n", partnum, cbtype);
1025 * Callback function for multipart sufffix
1027 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1028 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1029 char *cbid, void *cbuserdata)
1033 ma = (struct ma_info *)cbuserdata;
1034 if (ma->is_ma == 0) {
1035 cprintf("suff=%s|%s\n", partnum, cbtype);
1037 if (!strcasecmp(cbtype, "multipart/alternative")) {
1044 * Callback function for mime parser that opens a section for downloading
1046 void mime_download(char *name, char *filename, char *partnum, char *disp,
1047 void *content, char *cbtype, char *cbcharset, size_t length,
1048 char *encoding, char *cbid, void *cbuserdata)
1052 /* Silently go away if there's already a download open. */
1053 if (CC->download_fp != NULL)
1057 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1058 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1060 CC->download_fp = tmpfile();
1061 if (CC->download_fp == NULL)
1064 rv = fwrite(content, length, 1, CC->download_fp);
1065 fflush(CC->download_fp);
1066 rewind(CC->download_fp);
1068 OpenCmdResult(filename, cbtype);
1075 * Callback function for mime parser that outputs a section all at once.
1076 * We can specify the desired section by part number *or* content-id.
1078 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1079 void *content, char *cbtype, char *cbcharset, size_t length,
1080 char *encoding, char *cbid, void *cbuserdata)
1082 int *found_it = (int *)cbuserdata;
1085 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1086 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1089 cprintf("%d %d|-1|%s|%s|%s\n",
1096 client_write(content, length);
1100 #ifdef MESSAGE_IN_ROOM
1102 * Check if a message is in the current room.
1103 * This is used by CtdlFetchMessage to prevent random picking
1104 * of messages from users private rooms
1106 * The message list should probably be cached against the CC->room
1108 int CtdlMessageInRoom(long msgnum)
1111 struct cdbdata *cdbfr;
1113 /* Learn about the user and room in question */
1114 CtdlGetUser(&CC->user, CC->curr_user);
1115 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
1117 /* Load the message list */
1118 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
1119 if (cdbfr != NULL) {
1120 long *msglist = NULL;
1125 msglist = (long *) cdbfr->ptr;
1126 num_msgs = cdbfr->len / sizeof(long);
1128 /* search for message msgnum */
1129 for (i=0; i<num_msgs; i++) {
1130 if (msglist[i] == msgnum) {
1145 * Load a message from disk into memory.
1146 * This is used by CtdlOutputMsg() and other fetch functions.
1148 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1149 * using the CtdlMessageFree() function.
1151 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1153 struct cdbdata *dmsgtext;
1154 struct CtdlMessage *ret = NULL;
1158 cit_uint8_t field_header;
1160 CtdlLogPrintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1162 #ifdef MESSAGE_IN_ROOM
1163 if (!CtdlMessageInRoom(msgnum)) {
1164 CtdlLogPrintf(CTDL_DEBUG, "Message %ld not in current room\n", msgnum);
1169 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1170 if (dmsgtext == NULL) {
1173 mptr = dmsgtext->ptr;
1174 upper_bound = mptr + dmsgtext->len;
1176 /* Parse the three bytes that begin EVERY message on disk.
1177 * The first is always 0xFF, the on-disk magic number.
1178 * The second is the anonymous/public type byte.
1179 * The third is the format type byte (vari, fixed, or MIME).
1183 CtdlLogPrintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1187 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1188 memset(ret, 0, sizeof(struct CtdlMessage));
1190 ret->cm_magic = CTDLMESSAGE_MAGIC;
1191 ret->cm_anon_type = *mptr++; /* Anon type byte */
1192 ret->cm_format_type = *mptr++; /* Format type byte */
1195 * The rest is zero or more arbitrary fields. Load them in.
1196 * We're done when we encounter either a zero-length field or
1197 * have just processed the 'M' (message text) field.
1200 if (mptr >= upper_bound) {
1203 field_header = *mptr++;
1204 ret->cm_fields[field_header] = strdup(mptr);
1206 while (*mptr++ != 0); /* advance to next field */
1208 } while ((mptr < upper_bound) && (field_header != 'M'));
1212 /* Always make sure there's something in the msg text field. If
1213 * it's NULL, the message text is most likely stored separately,
1214 * so go ahead and fetch that. Failing that, just set a dummy
1215 * body so other code doesn't barf.
1217 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1218 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1219 if (dmsgtext != NULL) {
1220 ret->cm_fields['M'] = dmsgtext->ptr;
1221 dmsgtext->ptr = NULL;
1225 if (ret->cm_fields['M'] == NULL) {
1226 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1229 /* Perform "before read" hooks (aborting if any return nonzero) */
1230 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1231 CtdlFreeMessage(ret);
1240 * Returns 1 if the supplied pointer points to a valid Citadel message.
1241 * If the pointer is NULL or the magic number check fails, returns 0.
1243 int is_valid_message(struct CtdlMessage *msg) {
1246 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1247 CtdlLogPrintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
1255 * 'Destructor' for struct CtdlMessage
1257 void CtdlFreeMessage(struct CtdlMessage *msg)
1261 if (is_valid_message(msg) == 0)
1263 if (msg != NULL) free (msg);
1267 for (i = 0; i < 256; ++i)
1268 if (msg->cm_fields[i] != NULL) {
1269 free(msg->cm_fields[i]);
1272 msg->cm_magic = 0; /* just in case */
1278 * Pre callback function for multipart/alternative
1280 * NOTE: this differs from the standard behavior for a reason. Normally when
1281 * displaying multipart/alternative you want to show the _last_ usable
1282 * format in the message. Here we show the _first_ one, because it's
1283 * usually text/plain. Since this set of functions is designed for text
1284 * output to non-MIME-aware clients, this is the desired behavior.
1287 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1288 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1289 char *cbid, void *cbuserdata)
1293 ma = (struct ma_info *)cbuserdata;
1294 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1295 if (!strcasecmp(cbtype, "multipart/alternative")) {
1299 if (!strcasecmp(cbtype, "message/rfc822")) {
1305 * Post callback function for multipart/alternative
1307 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1308 void *content, char *cbtype, char *cbcharset, size_t length,
1309 char *encoding, char *cbid, void *cbuserdata)
1313 ma = (struct ma_info *)cbuserdata;
1314 CtdlLogPrintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1315 if (!strcasecmp(cbtype, "multipart/alternative")) {
1319 if (!strcasecmp(cbtype, "message/rfc822")) {
1325 * Inline callback function for mime parser that wants to display text
1327 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1328 void *content, char *cbtype, char *cbcharset, size_t length,
1329 char *encoding, char *cbid, void *cbuserdata)
1336 ma = (struct ma_info *)cbuserdata;
1338 CtdlLogPrintf(CTDL_DEBUG,
1339 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1340 partnum, filename, cbtype, (long)length);
1343 * If we're in the middle of a multipart/alternative scope and
1344 * we've already printed another section, skip this one.
1346 if ( (ma->is_ma) && (ma->did_print) ) {
1347 CtdlLogPrintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1352 if ( (!strcasecmp(cbtype, "text/plain"))
1353 || (IsEmptyStr(cbtype)) ) {
1356 client_write(wptr, length);
1357 if (wptr[length-1] != '\n') {
1364 if (!strcasecmp(cbtype, "text/html")) {
1365 ptr = html_to_ascii(content, length, 80, 0);
1367 client_write(ptr, wlen);
1368 if (ptr[wlen-1] != '\n') {
1375 if (ma->use_fo_hooks) {
1376 if (PerformFixedOutputHooks(cbtype, content, length)) {
1377 /* above function returns nonzero if it handled the part */
1382 if (strncasecmp(cbtype, "multipart/", 10)) {
1383 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1384 partnum, filename, cbtype, (long)length);
1390 * The client is elegant and sophisticated and wants to be choosy about
1391 * MIME content types, so figure out which multipart/alternative part
1392 * we're going to send.
1394 * We use a system of weights. When we find a part that matches one of the
1395 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1396 * and then set ma->chosen_pref to that MIME type's position in our preference
1397 * list. If we then hit another match, we only replace the first match if
1398 * the preference value is lower.
1400 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1401 void *content, char *cbtype, char *cbcharset, size_t length,
1402 char *encoding, char *cbid, void *cbuserdata)
1408 ma = (struct ma_info *)cbuserdata;
1410 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1411 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1412 // I don't know if there are any side effects! Please TEST TEST TEST
1413 //if (ma->is_ma > 0) {
1415 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1416 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1417 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1418 if (i < ma->chosen_pref) {
1419 CtdlLogPrintf(CTDL_DEBUG, "Setting chosen part: <%s>\n", partnum);
1420 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1421 ma->chosen_pref = i;
1428 * Now that we've chosen our preferred part, output it.
1430 void output_preferred(char *name,
1444 int add_newline = 0;
1447 char *decoded = NULL;
1448 size_t bytes_decoded;
1451 ma = (struct ma_info *)cbuserdata;
1453 /* This is not the MIME part you're looking for... */
1454 if (strcasecmp(partnum, ma->chosen_part)) return;
1456 /* If the content-type of this part is in our preferred formats
1457 * list, we can simply output it verbatim.
1459 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1460 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1461 if (!strcasecmp(buf, cbtype)) {
1462 /* Yeah! Go! W00t!! */
1463 if (ma->dont_decode == 0)
1464 rc = mime_decode_now (content,
1470 break; /* Give us the chance, maybe theres another one. */
1472 if (rc == 0) text_content = (char *)content;
1474 text_content = decoded;
1475 length = bytes_decoded;
1478 if (text_content[length-1] != '\n') {
1481 cprintf("Content-type: %s", cbtype);
1482 if (!IsEmptyStr(cbcharset)) {
1483 cprintf("; charset=%s", cbcharset);
1485 cprintf("\nContent-length: %d\n",
1486 (int)(length + add_newline) );
1487 if (!IsEmptyStr(encoding)) {
1488 cprintf("Content-transfer-encoding: %s\n", encoding);
1491 cprintf("Content-transfer-encoding: 7bit\n");
1493 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1495 client_write(text_content, length);
1496 if (add_newline) cprintf("\n");
1497 if (decoded != NULL) free(decoded);
1502 /* No translations required or possible: output as text/plain */
1503 cprintf("Content-type: text/plain\n\n");
1505 if (ma->dont_decode == 0)
1506 rc = mime_decode_now (content,
1512 return; /* Give us the chance, maybe theres another one. */
1514 if (rc == 0) text_content = (char *)content;
1516 text_content = decoded;
1517 length = bytes_decoded;
1520 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1521 length, encoding, cbid, cbuserdata);
1522 if (decoded != NULL) free(decoded);
1527 char desired_section[64];
1534 * Callback function for
1536 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1537 void *content, char *cbtype, char *cbcharset, size_t length,
1538 char *encoding, char *cbid, void *cbuserdata)
1540 struct encapmsg *encap;
1542 encap = (struct encapmsg *)cbuserdata;
1544 /* Only proceed if this is the desired section... */
1545 if (!strcasecmp(encap->desired_section, partnum)) {
1546 encap->msglen = length;
1547 encap->msg = malloc(length + 2);
1548 memcpy(encap->msg, content, length);
1555 * Determine whether the currently logged in session has permission to read
1556 * messages in the current room.
1558 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1559 if ( (!(CC->logged_in))
1560 && (!(CC->internal_pgm))
1561 && (!config.c_guest_logins)
1563 return(om_not_logged_in);
1570 * Get a message off disk. (returns om_* values found in msgbase.h)
1573 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1574 int mode, /* how would you like that message? */
1575 int headers_only, /* eschew the message body? */
1576 int do_proto, /* do Citadel protocol responses? */
1577 int crlf, /* Use CRLF newlines instead of LF? */
1578 char *section, /* NULL or a message/rfc822 section */
1579 int flags /* various flags; see msgbase.h */
1581 struct CtdlMessage *TheMessage = NULL;
1582 int retcode = om_no_such_msg;
1583 struct encapmsg encap;
1586 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1588 (section ? section : "<>")
1591 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1594 if (r == om_not_logged_in) {
1595 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1598 cprintf("%d An unknown error has occurred.\n", ERROR);
1604 #ifdef MESSAGE_IN_ROOM
1605 if (!CtdlMessageInRoom(msg_num)) {
1606 CtdlLogPrintf(CTDL_DEBUG, "Message %ld not in current room\n", msg_num);
1607 if (do_proto) cprintf("%d Can't locate msg %ld in room\n",
1608 ERROR + MESSAGE_NOT_FOUND, msg_num);
1609 return(om_no_such_msg);
1614 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1615 * request that we don't even bother loading the body into memory.
1617 if (headers_only == HEADERS_FAST) {
1618 TheMessage = CtdlFetchMessage(msg_num, 0);
1621 TheMessage = CtdlFetchMessage(msg_num, 1);
1624 if (TheMessage == NULL) {
1625 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1626 ERROR + MESSAGE_NOT_FOUND, msg_num);
1627 return(om_no_such_msg);
1630 /* Here is the weird form of this command, to process only an
1631 * encapsulated message/rfc822 section.
1633 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1634 memset(&encap, 0, sizeof encap);
1635 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1636 mime_parser(TheMessage->cm_fields['M'],
1638 *extract_encapsulated_message,
1639 NULL, NULL, (void *)&encap, 0
1641 CtdlFreeMessage(TheMessage);
1645 encap.msg[encap.msglen] = 0;
1646 TheMessage = convert_internet_message(encap.msg);
1647 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1649 /* Now we let it fall through to the bottom of this
1650 * function, because TheMessage now contains the
1651 * encapsulated message instead of the top-level
1652 * message. Isn't that neat?
1657 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1658 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1659 retcode = om_no_such_msg;
1664 /* Ok, output the message now */
1665 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1666 CtdlFreeMessage(TheMessage);
1672 char *qp_encode_email_addrs(char *source)
1674 char *user, *node, *name;
1675 const char headerStr[] = "=?UTF-8?Q?";
1679 int need_to_encode = 0;
1685 long nAddrPtrMax = 50;
1690 if (source == NULL) return source;
1691 if (IsEmptyStr(source)) return source;
1693 CtdlLogPrintf(CTDL_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1695 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1696 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1697 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1700 while (!IsEmptyStr (&source[i])) {
1701 if (nColons >= nAddrPtrMax){
1704 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1705 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1706 free (AddrPtr), AddrPtr = ptr;
1708 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1709 memset(&ptr[nAddrPtrMax], 0,
1710 sizeof (long) * nAddrPtrMax);
1712 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1713 free (AddrUtf8), AddrUtf8 = ptr;
1716 if (((unsigned char) source[i] < 32) ||
1717 ((unsigned char) source[i] > 126)) {
1719 AddrUtf8[nColons] = 1;
1721 if (source[i] == '"')
1722 InQuotes = !InQuotes;
1723 if (!InQuotes && source[i] == ',') {
1724 AddrPtr[nColons] = i;
1729 if (need_to_encode == 0) {
1736 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1737 Encoded = (char*) malloc (EncodedMaxLen);
1739 for (i = 0; i < nColons; i++)
1740 source[AddrPtr[i]++] = '\0';
1741 /* TODO: if libidn, this might get larger*/
1742 user = malloc(SourceLen + 1);
1743 node = malloc(SourceLen + 1);
1744 name = malloc(SourceLen + 1);
1748 for (i = 0; i < nColons && nPtr != NULL; i++) {
1749 nmax = EncodedMaxLen - (nPtr - Encoded);
1751 process_rfc822_addr(&source[AddrPtr[i]],
1755 /* TODO: libIDN here ! */
1756 if (IsEmptyStr(name)) {
1757 n = snprintf(nPtr, nmax,
1758 (i==0)?"%s@%s" : ",%s@%s",
1762 EncodedName = rfc2047encode(name, strlen(name));
1763 n = snprintf(nPtr, nmax,
1764 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1765 EncodedName, user, node);
1770 n = snprintf(nPtr, nmax,
1771 (i==0)?"%s" : ",%s",
1772 &source[AddrPtr[i]]);
1778 ptr = (char*) malloc(EncodedMaxLen * 2);
1779 memcpy(ptr, Encoded, EncodedMaxLen);
1780 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1781 free(Encoded), Encoded = ptr;
1783 i--; /* do it once more with properly lengthened buffer */
1786 for (i = 0; i < nColons; i++)
1787 source[--AddrPtr[i]] = ',';
1798 /* If the last item in a list of recipients was truncated to a partial address,
1799 * remove it completely in order to avoid choking libSieve
1801 void sanitize_truncated_recipient(char *str)
1804 if (num_tokens(str, ',') < 2) return;
1806 int len = strlen(str);
1807 if (len < 900) return;
1808 if (len > 998) str[998] = 0;
1810 char *cptr = strrchr(str, ',');
1813 char *lptr = strchr(cptr, '<');
1814 char *rptr = strchr(cptr, '>');
1816 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1822 void OutputCtdlMsgHeaders(
1823 struct CtdlMessage *TheMessage,
1824 int do_proto) /* do Citadel protocol responses? */
1830 char display_name[256];
1832 /* begin header processing loop for Citadel message format */
1833 safestrncpy(display_name, "<unknown>", sizeof display_name);
1834 if (TheMessage->cm_fields['A']) {
1835 strcpy(buf, TheMessage->cm_fields['A']);
1836 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1837 safestrncpy(display_name, "****", sizeof display_name);
1839 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1840 safestrncpy(display_name, "anonymous", sizeof display_name);
1843 safestrncpy(display_name, buf, sizeof display_name);
1845 if ((is_room_aide())
1846 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1847 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1848 size_t tmp = strlen(display_name);
1849 snprintf(&display_name[tmp],
1850 sizeof display_name - tmp,
1855 /* Don't show Internet address for users on the
1856 * local Citadel network.
1859 if (TheMessage->cm_fields['N'] != NULL)
1860 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1861 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1865 /* Now spew the header fields in the order we like them. */
1866 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1867 for (i=0; i<n; ++i) {
1868 k = (int) allkeys[i];
1870 if ( (TheMessage->cm_fields[k] != NULL)
1871 && (msgkeys[k] != NULL) ) {
1872 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1873 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1876 if (do_proto) cprintf("%s=%s\n",
1880 else if ((k == 'F') && (suppress_f)) {
1883 /* Masquerade display name if needed */
1885 if (do_proto) cprintf("%s=%s\n",
1887 TheMessage->cm_fields[k]
1896 void OutputRFC822MsgHeaders(
1897 struct CtdlMessage *TheMessage,
1898 int flags, /* should the bessage be exported clean */
1900 char *mid, long sizeof_mid,
1901 char *suser, long sizeof_suser,
1902 char *luser, long sizeof_luser,
1903 char *fuser, long sizeof_fuser,
1904 char *snode, long sizeof_snode)
1906 char datestamp[100];
1907 int subject_found = 0;
1913 for (i = 0; i < 256; ++i) {
1914 if (TheMessage->cm_fields[i]) {
1915 mptr = mpptr = TheMessage->cm_fields[i];
1918 safestrncpy(luser, mptr, sizeof_luser);
1919 safestrncpy(suser, mptr, sizeof_suser);
1921 else if (i == 'Y') {
1922 if ((flags & QP_EADDR) != 0) {
1923 mptr = qp_encode_email_addrs(mptr);
1925 sanitize_truncated_recipient(mptr);
1926 cprintf("CC: %s%s", mptr, nl);
1928 else if (i == 'P') {
1929 cprintf("Return-Path: %s%s", mptr, nl);
1931 else if (i == 'L') {
1932 cprintf("List-ID: %s%s", mptr, nl);
1934 else if (i == 'V') {
1935 if ((flags & QP_EADDR) != 0)
1936 mptr = qp_encode_email_addrs(mptr);
1937 cprintf("Envelope-To: %s%s", mptr, nl);
1939 else if (i == 'U') {
1940 cprintf("Subject: %s%s", mptr, nl);
1944 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1946 safestrncpy(fuser, mptr, sizeof_fuser);
1947 /* else if (i == 'O')
1948 cprintf("X-Citadel-Room: %s%s",
1951 safestrncpy(snode, mptr, sizeof_snode);
1954 if (haschar(mptr, '@') == 0)
1956 sanitize_truncated_recipient(mptr);
1957 cprintf("To: %s@%s", mptr, config.c_fqdn);
1962 if ((flags & QP_EADDR) != 0) {
1963 mptr = qp_encode_email_addrs(mptr);
1965 sanitize_truncated_recipient(mptr);
1966 cprintf("To: %s", mptr);
1970 else if (i == 'T') {
1971 datestring(datestamp, sizeof datestamp,
1972 atol(mptr), DATESTRING_RFC822);
1973 cprintf("Date: %s%s", datestamp, nl);
1975 else if (i == 'W') {
1976 cprintf("References: ");
1977 k = num_tokens(mptr, '|');
1978 for (j=0; j<k; ++j) {
1979 extract_token(buf, mptr, j, '|', sizeof buf);
1980 cprintf("<%s>", buf);
1989 else if (i == 'K') {
1990 cprintf("Reply-To: <%s>%s", mptr, nl);
1996 if (subject_found == 0) {
1997 cprintf("Subject: (no subject)%s", nl);
2002 void Dump_RFC822HeadersBody(
2003 struct CtdlMessage *TheMessage,
2004 int headers_only, /* eschew the message body? */
2005 int flags, /* should the bessage be exported clean? */
2009 cit_uint8_t prev_ch;
2011 const char *StartOfText = StrBufNOTNULL;
2014 int nllen = strlen(nl);
2017 mptr = TheMessage->cm_fields['M'];
2021 while (*mptr != '\0') {
2022 if (*mptr == '\r') {
2029 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2031 eoh = *(mptr+1) == '\n';
2035 StartOfText = strchr(StartOfText, '\n');
2036 StartOfText = strchr(StartOfText, '\n');
2039 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2040 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2041 ((headers_only != HEADERS_NONE) &&
2042 (headers_only != HEADERS_ONLY))
2044 if (*mptr == '\n') {
2045 memcpy(&outbuf[outlen], nl, nllen);
2047 outbuf[outlen] = '\0';
2050 outbuf[outlen++] = *mptr;
2054 if (flags & ESC_DOT)
2056 if ((prev_ch == '\n') &&
2058 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2060 outbuf[outlen++] = '.';
2065 if (outlen > 1000) {
2066 client_write(outbuf, outlen);
2071 client_write(outbuf, outlen);
2078 /* If the format type on disk is 1 (fixed-format), then we want
2079 * everything to be output completely literally ... regardless of
2080 * what message transfer format is in use.
2082 void DumpFormatFixed(
2083 struct CtdlMessage *TheMessage,
2084 int mode, /* how would you like that message? */
2091 int nllen = strlen (nl);
2094 mptr = TheMessage->cm_fields['M'];
2096 if (mode == MT_MIME) {
2097 cprintf("Content-type: text/plain\n\n");
2101 while (ch = *mptr++, ch > 0) {
2105 if ((buflen > 250) && (!xlline)){
2109 while ((buflen > 0) &&
2110 (!isspace(buf[buflen])))
2116 mptr -= tbuflen - buflen;
2121 /* if we reach the outer bounds of our buffer,
2122 abort without respect what whe purge. */
2125 (buflen > SIZ - nllen - 2)))
2129 memcpy (&buf[buflen], nl, nllen);
2133 client_write(buf, buflen);
2143 if (!IsEmptyStr(buf))
2144 cprintf("%s%s", buf, nl);
2148 * Get a message off disk. (returns om_* values found in msgbase.h)
2150 int CtdlOutputPreLoadedMsg(
2151 struct CtdlMessage *TheMessage,
2152 int mode, /* how would you like that message? */
2153 int headers_only, /* eschew the message body? */
2154 int do_proto, /* do Citadel protocol responses? */
2155 int crlf, /* Use CRLF newlines instead of LF? */
2156 int flags /* should the bessage be exported clean? */
2160 const char *nl; /* newline string */
2163 /* Buffers needed for RFC822 translation. These are all filled
2164 * using functions that are bounds-checked, and therefore we can
2165 * make them substantially smaller than SIZ.
2173 CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2174 ((TheMessage == NULL) ? "NULL" : "not null"),
2175 mode, headers_only, do_proto, crlf);
2177 strcpy(mid, "unknown");
2178 nl = (crlf ? "\r\n" : "\n");
2180 if (!is_valid_message(TheMessage)) {
2181 CtdlLogPrintf(CTDL_ERR,
2182 "ERROR: invalid preloaded message for output\n");
2184 return(om_no_such_msg);
2187 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2188 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2190 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2191 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2194 /* Are we downloading a MIME component? */
2195 if (mode == MT_DOWNLOAD) {
2196 if (TheMessage->cm_format_type != FMT_RFC822) {
2198 cprintf("%d This is not a MIME message.\n",
2199 ERROR + ILLEGAL_VALUE);
2200 } else if (CC->download_fp != NULL) {
2201 if (do_proto) cprintf(
2202 "%d You already have a download open.\n",
2203 ERROR + RESOURCE_BUSY);
2205 /* Parse the message text component */
2206 mptr = TheMessage->cm_fields['M'];
2207 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2208 /* If there's no file open by this time, the requested
2209 * section wasn't found, so print an error
2211 if (CC->download_fp == NULL) {
2212 if (do_proto) cprintf(
2213 "%d Section %s not found.\n",
2214 ERROR + FILE_NOT_FOUND,
2215 CC->download_desired_section);
2218 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2221 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2222 * in a single server operation instead of opening a download file.
2224 if (mode == MT_SPEW_SECTION) {
2225 if (TheMessage->cm_format_type != FMT_RFC822) {
2227 cprintf("%d This is not a MIME message.\n",
2228 ERROR + ILLEGAL_VALUE);
2230 /* Parse the message text component */
2233 mptr = TheMessage->cm_fields['M'];
2234 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2235 /* If section wasn't found, print an error
2238 if (do_proto) cprintf(
2239 "%d Section %s not found.\n",
2240 ERROR + FILE_NOT_FOUND,
2241 CC->download_desired_section);
2244 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2247 /* now for the user-mode message reading loops */
2248 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2250 /* Does the caller want to skip the headers? */
2251 if (headers_only == HEADERS_NONE) goto START_TEXT;
2253 /* Tell the client which format type we're using. */
2254 if ( (mode == MT_CITADEL) && (do_proto) ) {
2255 cprintf("type=%d\n", TheMessage->cm_format_type);
2258 /* nhdr=yes means that we're only displaying headers, no body */
2259 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2260 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2263 cprintf("nhdr=yes\n");
2266 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2267 OutputCtdlMsgHeaders(TheMessage, do_proto);
2270 /* begin header processing loop for RFC822 transfer format */
2274 strcpy(snode, NODENAME);
2275 if (mode == MT_RFC822)
2276 OutputRFC822MsgHeaders(
2281 suser, sizeof(suser),
2282 luser, sizeof(luser),
2283 fuser, sizeof(fuser),
2284 snode, sizeof(snode)
2288 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2289 suser[i] = tolower(suser[i]);
2290 if (!isalnum(suser[i])) suser[i]='_';
2293 if (mode == MT_RFC822) {
2294 if (!strcasecmp(snode, NODENAME)) {
2295 safestrncpy(snode, FQDN, sizeof snode);
2298 /* Construct a fun message id */
2299 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2300 if (strchr(mid, '@')==NULL) {
2301 cprintf("@%s", snode);
2305 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2306 cprintf("From: \"----\" <x@x.org>%s", nl);
2308 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2309 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2311 else if (!IsEmptyStr(fuser)) {
2312 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2315 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2318 /* Blank line signifying RFC822 end-of-headers */
2319 if (TheMessage->cm_format_type != FMT_RFC822) {
2324 /* end header processing loop ... at this point, we're in the text */
2326 if (headers_only == HEADERS_FAST) goto DONE;
2328 /* Tell the client about the MIME parts in this message */
2329 if (TheMessage->cm_format_type == FMT_RFC822) {
2330 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2331 mptr = TheMessage->cm_fields['M'];
2332 memset(&ma, 0, sizeof(struct ma_info));
2333 mime_parser(mptr, NULL,
2334 (do_proto ? *list_this_part : NULL),
2335 (do_proto ? *list_this_pref : NULL),
2336 (do_proto ? *list_this_suff : NULL),
2339 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2340 Dump_RFC822HeadersBody(
2349 if (headers_only == HEADERS_ONLY) {
2353 /* signify start of msg text */
2354 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2355 if (do_proto) cprintf("text\n");
2358 if (TheMessage->cm_format_type == FMT_FIXED)
2361 mode, /* how would you like that message? */
2364 /* If the message on disk is format 0 (Citadel vari-format), we
2365 * output using the formatter at 80 columns. This is the final output
2366 * form if the transfer format is RFC822, but if the transfer format
2367 * is Citadel proprietary, it'll still work, because the indentation
2368 * for new paragraphs is correct and the client will reformat the
2369 * message to the reader's screen width.
2371 if (TheMessage->cm_format_type == FMT_CITADEL) {
2372 mptr = TheMessage->cm_fields['M'];
2374 if (mode == MT_MIME) {
2375 cprintf("Content-type: text/x-citadel-variformat\n\n");
2380 /* If the message on disk is format 4 (MIME), we've gotta hand it
2381 * off to the MIME parser. The client has already been told that
2382 * this message is format 1 (fixed format), so the callback function
2383 * we use will display those parts as-is.
2385 if (TheMessage->cm_format_type == FMT_RFC822) {
2386 memset(&ma, 0, sizeof(struct ma_info));
2388 if (mode == MT_MIME) {
2389 ma.use_fo_hooks = 0;
2390 strcpy(ma.chosen_part, "1");
2391 ma.chosen_pref = 9999;
2392 ma.dont_decode = CC->msg4_dont_decode;
2393 mime_parser(mptr, NULL,
2394 *choose_preferred, *fixed_output_pre,
2395 *fixed_output_post, (void *)&ma, 1);
2396 mime_parser(mptr, NULL,
2397 *output_preferred, NULL, NULL, (void *)&ma, 1);
2400 ma.use_fo_hooks = 1;
2401 mime_parser(mptr, NULL,
2402 *fixed_output, *fixed_output_pre,
2403 *fixed_output_post, (void *)&ma, 0);
2408 DONE: /* now we're done */
2409 if (do_proto) cprintf("000\n");
2415 * display a message (mode 0 - Citadel proprietary)
2417 void cmd_msg0(char *cmdbuf)
2420 int headers_only = HEADERS_ALL;
2422 msgid = extract_long(cmdbuf, 0);
2423 headers_only = extract_int(cmdbuf, 1);
2425 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2431 * display a message (mode 2 - RFC822)
2433 void cmd_msg2(char *cmdbuf)
2436 int headers_only = HEADERS_ALL;
2438 msgid = extract_long(cmdbuf, 0);
2439 headers_only = extract_int(cmdbuf, 1);
2441 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2447 * display a message (mode 3 - IGnet raw format - internal programs only)
2449 void cmd_msg3(char *cmdbuf)
2452 struct CtdlMessage *msg = NULL;
2455 if (CC->internal_pgm == 0) {
2456 cprintf("%d This command is for internal programs only.\n",
2457 ERROR + HIGHER_ACCESS_REQUIRED);
2461 msgnum = extract_long(cmdbuf, 0);
2462 msg = CtdlFetchMessage(msgnum, 1);
2464 cprintf("%d Message %ld not found.\n",
2465 ERROR + MESSAGE_NOT_FOUND, msgnum);
2469 serialize_message(&smr, msg);
2470 CtdlFreeMessage(msg);
2473 cprintf("%d Unable to serialize message\n",
2474 ERROR + INTERNAL_ERROR);
2478 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2479 client_write((char *)smr.ser, (int)smr.len);
2486 * Display a message using MIME content types
2488 void cmd_msg4(char *cmdbuf)
2493 msgid = extract_long(cmdbuf, 0);
2494 extract_token(section, cmdbuf, 1, '|', sizeof section);
2495 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2501 * Client tells us its preferred message format(s)
2503 void cmd_msgp(char *cmdbuf)
2505 if (!strcasecmp(cmdbuf, "dont_decode")) {
2506 CC->msg4_dont_decode = 1;
2507 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2510 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2511 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2517 * Open a component of a MIME message as a download file
2519 void cmd_opna(char *cmdbuf)
2522 char desired_section[128];
2524 msgid = extract_long(cmdbuf, 0);
2525 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2526 safestrncpy(CC->download_desired_section, desired_section,
2527 sizeof CC->download_desired_section);
2528 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2533 * Open a component of a MIME message and transmit it all at once
2535 void cmd_dlat(char *cmdbuf)
2538 char desired_section[128];
2540 msgid = extract_long(cmdbuf, 0);
2541 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2542 safestrncpy(CC->download_desired_section, desired_section,
2543 sizeof CC->download_desired_section);
2544 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2549 * Save one or more message pointers into a specified room
2550 * (Returns 0 for success, nonzero for failure)
2551 * roomname may be NULL to use the current room
2553 * Note that the 'supplied_msg' field may be set to NULL, in which case
2554 * the message will be fetched from disk, by number, if we need to perform
2555 * replication checks. This adds an additional database read, so if the
2556 * caller already has the message in memory then it should be supplied. (Obviously
2557 * this mode of operation only works if we're saving a single message.)
2559 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2560 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2563 char hold_rm[ROOMNAMELEN];
2564 struct cdbdata *cdbfr;
2567 long highest_msg = 0L;
2570 struct CtdlMessage *msg = NULL;
2572 long *msgs_to_be_merged = NULL;
2573 int num_msgs_to_be_merged = 0;
2575 CtdlLogPrintf(CTDL_DEBUG,
2576 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2577 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2580 strcpy(hold_rm, CC->room.QRname);
2583 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2584 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2585 if (num_newmsgs > 1) supplied_msg = NULL;
2587 /* Now the regular stuff */
2588 if (CtdlGetRoomLock(&CC->room,
2589 ((roomname != NULL) ? roomname : CC->room.QRname) )
2591 CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
2592 return(ERROR + ROOM_NOT_FOUND);
2596 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2597 num_msgs_to_be_merged = 0;
2600 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2601 if (cdbfr == NULL) {
2605 msglist = (long *) cdbfr->ptr;
2606 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2607 num_msgs = cdbfr->len / sizeof(long);
2612 /* Create a list of msgid's which were supplied by the caller, but do
2613 * not already exist in the target room. It is absolutely taboo to
2614 * have more than one reference to the same message in a room.
2616 for (i=0; i<num_newmsgs; ++i) {
2618 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2619 if (msglist[j] == newmsgidlist[i]) {
2624 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2628 CtdlLogPrintf(CTDL_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2631 * Now merge the new messages
2633 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2634 if (msglist == NULL) {
2635 CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
2637 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2638 num_msgs += num_msgs_to_be_merged;
2640 /* Sort the message list, so all the msgid's are in order */
2641 num_msgs = sort_msglist(msglist, num_msgs);
2643 /* Determine the highest message number */
2644 highest_msg = msglist[num_msgs - 1];
2646 /* Write it back to disk. */
2647 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2648 msglist, (int)(num_msgs * sizeof(long)));
2650 /* Free up the memory we used. */
2653 /* Update the highest-message pointer and unlock the room. */
2654 CC->room.QRhighest = highest_msg;
2655 CtdlPutRoomLock(&CC->room);
2657 /* Perform replication checks if necessary */
2658 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2659 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2661 for (i=0; i<num_msgs_to_be_merged; ++i) {
2662 msgid = msgs_to_be_merged[i];
2664 if (supplied_msg != NULL) {
2668 msg = CtdlFetchMessage(msgid, 0);
2672 ReplicationChecks(msg);
2674 /* If the message has an Exclusive ID, index that... */
2675 if (msg->cm_fields['E'] != NULL) {
2676 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2679 /* Free up the memory we may have allocated */
2680 if (msg != supplied_msg) {
2681 CtdlFreeMessage(msg);
2689 CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2692 /* Submit this room for processing by hooks */
2693 PerformRoomHooks(&CC->room);
2695 /* Go back to the room we were in before we wandered here... */
2696 CtdlGetRoom(&CC->room, hold_rm);
2698 /* Bump the reference count for all messages which were merged */
2699 if (!suppress_refcount_adj) {
2700 for (i=0; i<num_msgs_to_be_merged; ++i) {
2701 AdjRefCount(msgs_to_be_merged[i], +1);
2705 /* Free up memory... */
2706 if (msgs_to_be_merged != NULL) {
2707 free(msgs_to_be_merged);
2710 /* Return success. */
2716 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2719 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2720 int do_repl_check, struct CtdlMessage *supplied_msg)
2722 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2729 * Message base operation to save a new message to the message store
2730 * (returns new message number)
2732 * This is the back end for CtdlSubmitMsg() and should not be directly
2733 * called by server-side modules.
2736 long send_message(struct CtdlMessage *msg) {
2744 /* Get a new message number */
2745 newmsgid = get_new_message_number();
2746 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2748 /* Generate an ID if we don't have one already */
2749 if (msg->cm_fields['I']==NULL) {
2750 msg->cm_fields['I'] = strdup(msgidbuf);
2753 /* If the message is big, set its body aside for storage elsewhere */
2754 if (msg->cm_fields['M'] != NULL) {
2755 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2757 holdM = msg->cm_fields['M'];
2758 msg->cm_fields['M'] = NULL;
2762 /* Serialize our data structure for storage in the database */
2763 serialize_message(&smr, msg);
2766 msg->cm_fields['M'] = holdM;
2770 cprintf("%d Unable to serialize message\n",
2771 ERROR + INTERNAL_ERROR);
2775 /* Write our little bundle of joy into the message base */
2776 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2777 smr.ser, smr.len) < 0) {
2778 CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
2782 cdb_store(CDB_BIGMSGS,
2792 /* Free the memory we used for the serialized message */
2795 /* Return the *local* message ID to the caller
2796 * (even if we're storing an incoming network message)
2804 * Serialize a struct CtdlMessage into the format used on disk and network.
2806 * This function loads up a "struct ser_ret" (defined in server.h) which
2807 * contains the length of the serialized message and a pointer to the
2808 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2810 void serialize_message(struct ser_ret *ret, /* return values */
2811 struct CtdlMessage *msg) /* unserialized msg */
2813 size_t wlen, fieldlen;
2815 static char *forder = FORDER;
2818 * Check for valid message format
2820 if (is_valid_message(msg) == 0) {
2821 CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
2828 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2829 ret->len = ret->len +
2830 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2832 ret->ser = malloc(ret->len);
2833 if (ret->ser == NULL) {
2834 CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2835 (long)ret->len, strerror(errno));
2842 ret->ser[1] = msg->cm_anon_type;
2843 ret->ser[2] = msg->cm_format_type;
2846 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2847 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2848 ret->ser[wlen++] = (char)forder[i];
2849 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2850 wlen = wlen + fieldlen + 1;
2852 if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
2853 (long)ret->len, (long)wlen);
2860 * Serialize a struct CtdlMessage into the format used on disk and network.
2862 * This function loads up a "struct ser_ret" (defined in server.h) which
2863 * contains the length of the serialized message and a pointer to the
2864 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2866 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2867 long Siz) /* how many chars ? */
2871 static char *forder = FORDER;
2875 * Check for valid message format
2877 if (is_valid_message(msg) == 0) {
2878 CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
2882 buf = (char*) malloc (Siz + 1);
2886 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2887 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2888 msg->cm_fields[(int)forder[i]]);
2889 client_write (buf, strlen(buf));
2898 * Check to see if any messages already exist in the current room which
2899 * carry the same Exclusive ID as this one. If any are found, delete them.
2901 void ReplicationChecks(struct CtdlMessage *msg) {
2902 long old_msgnum = (-1L);
2904 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2906 CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
2909 /* No exclusive id? Don't do anything. */
2910 if (msg == NULL) return;
2911 if (msg->cm_fields['E'] == NULL) return;
2912 if (IsEmptyStr(msg->cm_fields['E'])) return;
2913 /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2914 msg->cm_fields['E'], CC->room.QRname);*/
2916 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2917 if (old_msgnum > 0L) {
2918 CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2919 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2926 * Save a message to disk and submit it into the delivery system.
2928 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2929 struct recptypes *recps, /* recipients (if mail) */
2930 const char *force, /* force a particular room? */
2931 int flags /* should the message be exported clean? */
2933 char submit_filename[128];
2934 char generated_timestamp[32];
2935 char hold_rm[ROOMNAMELEN];
2936 char actual_rm[ROOMNAMELEN];
2937 char force_room[ROOMNAMELEN];
2938 char content_type[SIZ]; /* We have to learn this */
2939 char recipient[SIZ];
2941 const char *mptr = NULL;
2942 struct ctdluser userbuf;
2944 struct MetaData smi;
2945 FILE *network_fp = NULL;
2946 static int seqnum = 1;
2947 struct CtdlMessage *imsg = NULL;
2949 size_t instr_alloc = 0;
2951 char *hold_R, *hold_D;
2952 char *collected_addresses = NULL;
2953 struct addresses_to_be_filed *aptr = NULL;
2954 StrBuf *saved_rfc822_version = NULL;
2955 int qualified_for_journaling = 0;
2956 CitContext *CCC = MyContext();
2957 char bounce_to[1024] = "";
2961 CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
2962 if (is_valid_message(msg) == 0) return(-1); /* self check */
2964 /* If this message has no timestamp, we take the liberty of
2965 * giving it one, right now.
2967 if (msg->cm_fields['T'] == NULL) {
2968 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
2969 msg->cm_fields['T'] = strdup(generated_timestamp);
2972 /* If this message has no path, we generate one.
2974 if (msg->cm_fields['P'] == NULL) {
2975 if (msg->cm_fields['A'] != NULL) {
2976 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
2977 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
2978 if (isspace(msg->cm_fields['P'][a])) {
2979 msg->cm_fields['P'][a] = ' ';
2984 msg->cm_fields['P'] = strdup("unknown");
2988 if (force == NULL) {
2989 strcpy(force_room, "");
2992 strcpy(force_room, force);
2995 /* Learn about what's inside, because it's what's inside that counts */
2996 if (msg->cm_fields['M'] == NULL) {
2997 CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
3001 switch (msg->cm_format_type) {
3003 strcpy(content_type, "text/x-citadel-variformat");
3006 strcpy(content_type, "text/plain");
3009 strcpy(content_type, "text/plain");
3010 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3013 safestrncpy(content_type, &mptr[13], sizeof content_type);
3014 striplt(content_type);
3015 aptr = content_type;
3016 while (!IsEmptyStr(aptr)) {
3028 /* Goto the correct room */
3029 CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3030 strcpy(hold_rm, CCC->room.QRname);
3031 strcpy(actual_rm, CCC->room.QRname);
3032 if (recps != NULL) {
3033 strcpy(actual_rm, SENTITEMS);
3036 /* If the user is a twit, move to the twit room for posting */
3038 if (CCC->user.axlevel == AxProbU) {
3039 strcpy(hold_rm, actual_rm);
3040 strcpy(actual_rm, config.c_twitroom);
3041 CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
3045 /* ...or if this message is destined for Aide> then go there. */
3046 if (!IsEmptyStr(force_room)) {
3047 strcpy(actual_rm, force_room);
3050 CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
3051 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3052 /* CtdlGetRoom(&CCC->room, actual_rm); */
3053 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3057 * If this message has no O (room) field, generate one.
3059 if (msg->cm_fields['O'] == NULL) {
3060 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3063 /* Perform "before save" hooks (aborting if any return nonzero) */
3064 CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
3065 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3068 * If this message has an Exclusive ID, and the room is replication
3069 * checking enabled, then do replication checks.
3071 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3072 ReplicationChecks(msg);
3075 /* Save it to disk */
3076 CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
3077 newmsgid = send_message(msg);
3078 if (newmsgid <= 0L) return(-5);
3080 /* Write a supplemental message info record. This doesn't have to
3081 * be a critical section because nobody else knows about this message
3084 CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
3085 memset(&smi, 0, sizeof(struct MetaData));
3086 smi.meta_msgnum = newmsgid;
3087 smi.meta_refcount = 0;
3088 safestrncpy(smi.meta_content_type, content_type,
3089 sizeof smi.meta_content_type);
3092 * Measure how big this message will be when rendered as RFC822.
3093 * We do this for two reasons:
3094 * 1. We need the RFC822 length for the new metadata record, so the
3095 * POP and IMAP services don't have to calculate message lengths
3096 * while the user is waiting (multiplied by potentially hundreds
3097 * or thousands of messages).
3098 * 2. If journaling is enabled, we will need an RFC822 version of the
3099 * message to attach to the journalized copy.
3101 if (CCC->redirect_buffer != NULL) {
3102 CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3105 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3106 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3107 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3108 saved_rfc822_version = CCC->redirect_buffer;
3109 CCC->redirect_buffer = NULL;
3113 /* Now figure out where to store the pointers */
3114 CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
3116 /* If this is being done by the networker delivering a private
3117 * message, we want to BYPASS saving the sender's copy (because there
3118 * is no local sender; it would otherwise go to the Trashcan).
3120 if ((!CCC->internal_pgm) || (recps == NULL)) {
3121 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3122 CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
3123 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3127 /* For internet mail, drop a copy in the outbound queue room */
3128 if ((recps != NULL) && (recps->num_internet > 0)) {
3129 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3132 /* If other rooms are specified, drop them there too. */
3133 if ((recps != NULL) && (recps->num_room > 0))
3134 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3135 extract_token(recipient, recps->recp_room, i,
3136 '|', sizeof recipient);
3137 CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
3138 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3141 /* Bump this user's messages posted counter. */
3142 CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
3143 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3144 CCC->user.posted = CCC->user.posted + 1;
3145 CtdlPutUserLock(&CCC->user);
3147 /* Decide where bounces need to be delivered */
3148 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3149 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3151 else if (CCC->logged_in) {
3152 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3155 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3158 /* If this is private, local mail, make a copy in the
3159 * recipient's mailbox and bump the reference count.
3161 if ((recps != NULL) && (recps->num_local > 0))
3162 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3163 extract_token(recipient, recps->recp_local, i,
3164 '|', sizeof recipient);
3165 CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
3167 if (CtdlGetUser(&userbuf, recipient) == 0) {
3168 // Add a flag so the Funambol module knows its mail
3169 msg->cm_fields['W'] = strdup(recipient);
3170 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3171 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3172 CtdlBumpNewMailCounter(userbuf.usernum);
3173 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3174 /* Generate a instruction message for the Funambol notification
3175 * server, in the same style as the SMTP queue
3178 instr = malloc(instr_alloc);
3179 snprintf(instr, instr_alloc,
3180 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3182 SPOOLMIME, newmsgid, (long)time(NULL),
3186 imsg = malloc(sizeof(struct CtdlMessage));
3187 memset(imsg, 0, sizeof(struct CtdlMessage));
3188 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3189 imsg->cm_anon_type = MES_NORMAL;
3190 imsg->cm_format_type = FMT_RFC822;
3191 imsg->cm_fields['A'] = strdup("Citadel");
3192 imsg->cm_fields['J'] = strdup("do not journal");
3193 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3194 imsg->cm_fields['W'] = strdup(recipient);
3195 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3196 CtdlFreeMessage(imsg);
3200 CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
3201 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3206 /* Perform "after save" hooks */
3207 CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
3208 PerformMessageHooks(msg, EVT_AFTERSAVE);
3210 /* For IGnet mail, we have to save a new copy into the spooler for
3211 * each recipient, with the R and D fields set to the recipient and
3212 * destination-node. This has two ugly side effects: all other
3213 * recipients end up being unlisted in this recipient's copy of the
3214 * message, and it has to deliver multiple messages to the same
3215 * node. We'll revisit this again in a year or so when everyone has
3216 * a network spool receiver that can handle the new style messages.
3218 if ((recps != NULL) && (recps->num_ignet > 0))
3219 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3220 extract_token(recipient, recps->recp_ignet, i,
3221 '|', sizeof recipient);
3223 hold_R = msg->cm_fields['R'];
3224 hold_D = msg->cm_fields['D'];
3225 msg->cm_fields['R'] = malloc(SIZ);
3226 msg->cm_fields['D'] = malloc(128);
3227 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3228 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3230 serialize_message(&smr, msg);
3232 snprintf(submit_filename, sizeof submit_filename,
3233 "%s/netmail.%04lx.%04x.%04x",
3235 (long) getpid(), CCC->cs_pid, ++seqnum);
3236 network_fp = fopen(submit_filename, "wb+");
3237 if (network_fp != NULL) {
3238 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3244 free(msg->cm_fields['R']);
3245 free(msg->cm_fields['D']);
3246 msg->cm_fields['R'] = hold_R;
3247 msg->cm_fields['D'] = hold_D;
3250 /* Go back to the room we started from */
3251 CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
3252 if (strcasecmp(hold_rm, CCC->room.QRname))
3253 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3255 /* For internet mail, generate delivery instructions.
3256 * Yes, this is recursive. Deal with it. Infinite recursion does
3257 * not happen because the delivery instructions message does not
3258 * contain a recipient.
3260 if ((recps != NULL) && (recps->num_internet > 0)) {
3261 CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
3263 instr = malloc(instr_alloc);
3264 snprintf(instr, instr_alloc,
3265 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3267 SPOOLMIME, newmsgid, (long)time(NULL),
3271 if (recps->envelope_from != NULL) {
3272 tmp = strlen(instr);
3273 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3276 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3277 tmp = strlen(instr);
3278 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3279 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3280 instr_alloc = instr_alloc * 2;
3281 instr = realloc(instr, instr_alloc);
3283 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3286 imsg = malloc(sizeof(struct CtdlMessage));
3287 memset(imsg, 0, sizeof(struct CtdlMessage));
3288 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3289 imsg->cm_anon_type = MES_NORMAL;
3290 imsg->cm_format_type = FMT_RFC822;
3291 imsg->cm_fields['A'] = strdup("Citadel");
3292 imsg->cm_fields['J'] = strdup("do not journal");
3293 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3294 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3295 CtdlFreeMessage(imsg);
3299 * Any addresses to harvest for someone's address book?
3301 if ( (CCC->logged_in) && (recps != NULL) ) {
3302 collected_addresses = harvest_collected_addresses(msg);
3305 if (collected_addresses != NULL) {
3306 aptr = (struct addresses_to_be_filed *)
3307 malloc(sizeof(struct addresses_to_be_filed));
3308 CtdlMailboxName(actual_rm, sizeof actual_rm,
3309 &CCC->user, USERCONTACTSROOM);
3310 aptr->roomname = strdup(actual_rm);
3311 aptr->collected_addresses = collected_addresses;
3312 begin_critical_section(S_ATBF);
3315 end_critical_section(S_ATBF);
3319 * Determine whether this message qualifies for journaling.
3321 if (msg->cm_fields['J'] != NULL) {
3322 qualified_for_journaling = 0;
3325 if (recps == NULL) {
3326 qualified_for_journaling = config.c_journal_pubmsgs;
3328 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3329 qualified_for_journaling = config.c_journal_email;
3332 qualified_for_journaling = config.c_journal_pubmsgs;
3337 * Do we have to perform journaling? If so, hand off the saved
3338 * RFC822 version will be handed off to the journaler for background
3339 * submit. Otherwise, we have to free the memory ourselves.
3341 if (saved_rfc822_version != NULL) {
3342 if (qualified_for_journaling) {
3343 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3346 FreeStrBuf(&saved_rfc822_version);
3356 void aide_message (char *text, char *subject)
3358 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3363 * Convenience function for generating small administrative messages.
3365 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3366 int format_type, const char *subject)
3368 struct CtdlMessage *msg;
3369 struct recptypes *recp = NULL;
3371 msg = malloc(sizeof(struct CtdlMessage));
3372 memset(msg, 0, sizeof(struct CtdlMessage));
3373 msg->cm_magic = CTDLMESSAGE_MAGIC;
3374 msg->cm_anon_type = MES_NORMAL;
3375 msg->cm_format_type = format_type;
3378 msg->cm_fields['A'] = strdup(from);
3380 else if (fromaddr != NULL) {
3381 msg->cm_fields['A'] = strdup(fromaddr);
3382 if (strchr(msg->cm_fields['A'], '@')) {
3383 *strchr(msg->cm_fields['A'], '@') = 0;
3387 msg->cm_fields['A'] = strdup("Citadel");
3390 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3391 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3392 msg->cm_fields['N'] = strdup(NODENAME);
3394 msg->cm_fields['R'] = strdup(to);
3395 recp = validate_recipients(to, NULL, 0);
3397 if (subject != NULL) {
3398 msg->cm_fields['U'] = strdup(subject);
3400 msg->cm_fields['M'] = strdup(text);
3402 CtdlSubmitMsg(msg, recp, room, 0);
3403 CtdlFreeMessage(msg);
3404 if (recp != NULL) free_recipients(recp);
3410 * Back end function used by CtdlMakeMessage() and similar functions
3412 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3414 size_t maxlen, /* maximum message length */
3415 char *exist, /* if non-null, append to it;
3416 exist is ALWAYS freed */
3417 int crlf, /* CRLF newlines instead of LF */
3418 int *sock /* socket handle or 0 for this session's client socket */
3427 LineBuf = NewStrBufPlain(NULL, SIZ);
3428 if (exist == NULL) {
3429 Message = NewStrBufPlain(NULL, 4 * SIZ);
3432 Message = NewStrBufPlain(exist, -1);
3436 /* Do we need to change leading ".." to "." for SMTP escaping? */
3437 if ((tlen == 1) && (*terminator == '.')) {
3441 /* read in the lines of message text one by one */
3444 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3449 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3451 if ((StrLength(LineBuf) == tlen) &&
3452 (!strcmp(ChrPtr(LineBuf), terminator)))
3455 if ( (!flushing) && (!finished) ) {
3457 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3460 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3463 /* Unescape SMTP-style input of two dots at the beginning of the line */
3465 (StrLength(LineBuf) == 2) &&
3466 (!strcmp(ChrPtr(LineBuf), "..")))
3468 StrBufCutLeft(LineBuf, 1);
3471 StrBufAppendBuf(Message, LineBuf, 0);
3474 /* if we've hit the max msg length, flush the rest */
3475 if (StrLength(Message) >= maxlen) flushing = 1;
3477 } while (!finished);
3478 FreeStrBuf(&LineBuf);
3482 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3486 FreeStrBuf(&(*Msg)->MsgBuf);
3492 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3494 size_t maxlen, /* maximum message length */
3495 size_t expectlen, /* if we expect a message, how long should it be? */
3496 char *exist, /* if non-null, append to it;
3497 exist is ALWAYS freed */
3498 long eLen, /* length of exist */
3499 int crlf /* CRLF newlines instead of LF */
3502 ReadAsyncMsg *NewMsg;
3504 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3505 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3507 if (exist == NULL) {
3510 if (expectlen == 0) {
3514 len = expectlen + 10;
3516 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3519 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3522 /* Do we need to change leading ".." to "." for SMTP escaping? */
3523 if ((tlen == 1) && (*terminator == '.')) {
3527 NewMsg->terminator = terminator;
3528 NewMsg->tlen = tlen;
3530 NewMsg->maxlen = maxlen;
3532 NewMsg->crlf = crlf;
3538 * Back end function used by CtdlMakeMessage() and similar functions
3540 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3542 ReadAsyncMsg *ReadMsg;
3543 int MsgFinished = 0;
3544 eReadState Finished = eMustReadMore;
3546 ReadMsg = IO->ReadMsg;
3548 /* read in the lines of message text one by one */
3550 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3553 case eMustReadMore: /// read new from socket...
3556 case eBufferNotEmpty: /* shouldn't happen... */
3557 case eReadSuccess: /// done for now...
3559 case eReadFail: /// WHUT?
3565 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3566 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3569 else if (!ReadMsg->flushing) {
3570 /* Unescape SMTP-style input of two dots at the beginning of the line */
3571 if ((ReadMsg->dodot) &&
3572 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3573 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3575 StrBufCutLeft(IO->IOBuf, 1);
3578 if (ReadMsg->crlf) {
3579 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3582 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3585 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3588 /* if we've hit the max msg length, flush the rest */
3589 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3591 } while (!MsgFinished);
3594 return eReadSuccess;
3601 * Back end function used by CtdlMakeMessage() and similar functions
3603 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3605 size_t maxlen, /* maximum message length */
3606 char *exist, /* if non-null, append to it;
3607 exist is ALWAYS freed */
3608 int crlf, /* CRLF newlines instead of LF */
3609 int *sock /* socket handle or 0 for this session's client socket */
3614 Message = CtdlReadMessageBodyBuf(terminator,
3620 if (Message == NULL)
3623 return SmashStrBuf(&Message);
3628 * Build a binary message to be saved on disk.
3629 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3630 * will become part of the message. This means you are no longer
3631 * responsible for managing that memory -- it will be freed along with
3632 * the rest of the fields when CtdlFreeMessage() is called.)
3635 struct CtdlMessage *CtdlMakeMessage(
3636 struct ctdluser *author, /* author's user structure */
3637 char *recipient, /* NULL if it's not mail */
3638 char *recp_cc, /* NULL if it's not mail */
3639 char *room, /* room where it's going */
3640 int type, /* see MES_ types in header file */
3641 int format_type, /* variformat, plain text, MIME... */
3642 char *fake_name, /* who we're masquerading as */
3643 char *my_email, /* which of my email addresses to use (empty is ok) */
3644 char *subject, /* Subject (optional) */
3645 char *supplied_euid, /* ...or NULL if this is irrelevant */
3646 char *preformatted_text, /* ...or NULL to read text from client */
3647 char *references /* Thread references */
3649 char dest_node[256];
3651 struct CtdlMessage *msg;
3653 StrBuf *FakeEncAuthor = NULL;
3655 msg = malloc(sizeof(struct CtdlMessage));
3656 memset(msg, 0, sizeof(struct CtdlMessage));
3657 msg->cm_magic = CTDLMESSAGE_MAGIC;
3658 msg->cm_anon_type = type;
3659 msg->cm_format_type = format_type;
3661 /* Don't confuse the poor folks if it's not routed mail. */
3662 strcpy(dest_node, "");
3664 if (recipient != NULL) striplt(recipient);
3665 if (recp_cc != NULL) striplt(recp_cc);
3667 /* Path or Return-Path */
3668 if (my_email == NULL) my_email = "";
3670 if (!IsEmptyStr(my_email)) {
3671 msg->cm_fields['P'] = strdup(my_email);
3674 snprintf(buf, sizeof buf, "%s", author->fullname);
3675 msg->cm_fields['P'] = strdup(buf);
3677 convert_spaces_to_underscores(msg->cm_fields['P']);
3679 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3680 msg->cm_fields['T'] = strdup(buf);
3682 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3683 FakeAuthor = NewStrBufPlain (fake_name, -1);
3686 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3688 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3689 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3690 FreeStrBuf(&FakeAuthor);
3692 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3693 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3696 msg->cm_fields['O'] = strdup(CC->room.QRname);
3699 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3700 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3702 if ((recipient != NULL) && (recipient[0] != 0)) {
3703 msg->cm_fields['R'] = strdup(recipient);
3705 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3706 msg->cm_fields['Y'] = strdup(recp_cc);
3708 if (dest_node[0] != 0) {
3709 msg->cm_fields['D'] = strdup(dest_node);
3712 if (!IsEmptyStr(my_email)) {
3713 msg->cm_fields['F'] = strdup(my_email);
3715 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3716 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3719 if (subject != NULL) {
3722 length = strlen(subject);
3728 while ((subject[i] != '\0') &&
3729 (IsAscii = isascii(subject[i]) != 0 ))
3732 msg->cm_fields['U'] = strdup(subject);
3733 else /* ok, we've got utf8 in the string. */
3735 msg->cm_fields['U'] = rfc2047encode(subject, length);
3741 if (supplied_euid != NULL) {
3742 msg->cm_fields['E'] = strdup(supplied_euid);
3745 if (references != NULL) {
3746 if (!IsEmptyStr(references)) {
3747 msg->cm_fields['W'] = strdup(references);
3751 if (preformatted_text != NULL) {
3752 msg->cm_fields['M'] = preformatted_text;
3755 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3763 * Check to see whether we have permission to post a message in the current
3764 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3765 * returns 0 on success.
3767 int CtdlDoIHavePermissionToPostInThisRoom(
3770 const char* RemoteIdentifier,
3776 if (!(CC->logged_in) &&
3777 (PostPublic == POST_LOGGED_IN)) {
3778 snprintf(errmsgbuf, n, "Not logged in.");
3779 return (ERROR + NOT_LOGGED_IN);
3781 else if (PostPublic == CHECK_EXISTANCE) {
3782 return (0); // We're Evaling whether a recipient exists
3784 else if (!(CC->logged_in)) {
3786 if ((CC->room.QRflags & QR_READONLY)) {
3787 snprintf(errmsgbuf, n, "Not logged in.");
3788 return (ERROR + NOT_LOGGED_IN);
3790 if (CC->room.QRflags2 & QR2_MODERATED) {
3791 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3792 return (ERROR + NOT_LOGGED_IN);
3794 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3799 if (RemoteIdentifier == NULL)
3801 snprintf(errmsgbuf, n, "Need sender to permit access.");
3802 return (ERROR + USERNAME_REQUIRED);
3805 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3806 begin_critical_section(S_NETCONFIGS);
3807 if (!read_spoolcontrol_file(&sc, filename))
3809 end_critical_section(S_NETCONFIGS);
3810 snprintf(errmsgbuf, n,
3811 "This mailing list only accepts posts from subscribers.");
3812 return (ERROR + NO_SUCH_USER);
3814 end_critical_section(S_NETCONFIGS);
3815 found = is_recipient (sc, RemoteIdentifier);
3816 free_spoolcontrol_struct(&sc);
3821 snprintf(errmsgbuf, n,
3822 "This mailing list only accepts posts from subscribers.");
3823 return (ERROR + NO_SUCH_USER);
3830 if ((CC->user.axlevel < AxProbU)
3831 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3832 snprintf(errmsgbuf, n, "Need to be validated to enter "
3833 "(except in %s> to sysop)", MAILROOM);
3834 return (ERROR + HIGHER_ACCESS_REQUIRED);
3837 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3839 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3841 * To be thorough, we ought to check to see if the message they are
3842 * replying to is actually a valid one in this room, but unless this
3843 * actually becomes a problem we'll go with high performance instead.
3845 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3846 return (ERROR + HIGHER_ACCESS_REQUIRED);
3849 else if (!(ra & UA_POSTALLOWED)) {
3850 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3851 return (ERROR + HIGHER_ACCESS_REQUIRED);
3854 strcpy(errmsgbuf, "Ok");
3860 * Check to see if the specified user has Internet mail permission
3861 * (returns nonzero if permission is granted)
3863 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3865 /* Do not allow twits to send Internet mail */
3866 if (who->axlevel <= AxProbU) return(0);
3868 /* Globally enabled? */
3869 if (config.c_restrict == 0) return(1);
3871 /* User flagged ok? */
3872 if (who->flags & US_INTERNET) return(2);
3874 /* Aide level access? */
3875 if (who->axlevel >= AxAideU) return(3);
3877 /* No mail for you! */
3883 * Validate recipients, count delivery types and errors, and handle aliasing
3884 * FIXME check for dupes!!!!!
3886 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3887 * were specified, or the number of addresses found invalid.
3889 * Caller needs to free the result using free_recipients()
3891 struct recptypes *validate_recipients(const char *supplied_recipients,
3892 const char *RemoteIdentifier,
3894 struct recptypes *ret;
3895 char *recipients = NULL;
3896 char this_recp[256];
3897 char this_recp_cooked[256];
3903 struct ctdluser tempUS;
3904 struct ctdlroom tempQR;
3905 struct ctdlroom tempQR2;
3911 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3912 if (ret == NULL) return(NULL);
3914 /* Set all strings to null and numeric values to zero */
3915 memset(ret, 0, sizeof(struct recptypes));
3917 if (supplied_recipients == NULL) {
3918 recipients = strdup("");
3921 recipients = strdup(supplied_recipients);
3924 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3925 * actually need, but it's healthier for the heap than doing lots of tiny
3926 * realloc() calls instead.
3929 ret->errormsg = malloc(strlen(recipients) + 1024);
3930 ret->recp_local = malloc(strlen(recipients) + 1024);
3931 ret->recp_internet = malloc(strlen(recipients) + 1024);
3932 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3933 ret->recp_room = malloc(strlen(recipients) + 1024);
3934 ret->display_recp = malloc(strlen(recipients) + 1024);
3936 ret->errormsg[0] = 0;
3937 ret->recp_local[0] = 0;
3938 ret->recp_internet[0] = 0;
3939 ret->recp_ignet[0] = 0;
3940 ret->recp_room[0] = 0;
3941 ret->display_recp[0] = 0;
3943 ret->recptypes_magic = RECPTYPES_MAGIC;
3945 /* Change all valid separator characters to commas */
3946 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3947 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3948 recipients[i] = ',';
3952 /* Now start extracting recipients... */
3954 while (!IsEmptyStr(recipients)) {
3956 for (i=0; i<=strlen(recipients); ++i) {
3957 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3958 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3959 safestrncpy(this_recp, recipients, i+1);
3961 if (recipients[i] == ',') {
3962 strcpy(recipients, &recipients[i+1]);
3965 strcpy(recipients, "");
3972 if (IsEmptyStr(this_recp))
3974 CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3976 mailtype = alias(this_recp);
3977 mailtype = alias(this_recp);
3978 mailtype = alias(this_recp);
3980 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3981 if (this_recp[j]=='_') {
3982 this_recp_cooked[j] = ' ';
3985 this_recp_cooked[j] = this_recp[j];
3988 this_recp_cooked[j] = '\0';
3993 if (!strcasecmp(this_recp, "sysop")) {
3995 strcpy(this_recp, config.c_aideroom);
3996 if (!IsEmptyStr(ret->recp_room)) {
3997 strcat(ret->recp_room, "|");
3999 strcat(ret->recp_room, this_recp);
4001 else if ( (!strncasecmp(this_recp, "room_", 5))
4002 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4004 /* Save room so we can restore it later */
4008 /* Check permissions to send mail to this room */
4009 err = CtdlDoIHavePermissionToPostInThisRoom(
4014 0 /* 0 = not a reply */
4023 if (!IsEmptyStr(ret->recp_room)) {
4024 strcat(ret->recp_room, "|");
4026 strcat(ret->recp_room, &this_recp_cooked[5]);
4029 /* Restore room in case something needs it */
4033 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4035 strcpy(this_recp, tempUS.fullname);
4036 if (!IsEmptyStr(ret->recp_local)) {
4037 strcat(ret->recp_local, "|");
4039 strcat(ret->recp_local, this_recp);
4041 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4043 strcpy(this_recp, tempUS.fullname);
4044 if (!IsEmptyStr(ret->recp_local)) {
4045 strcat(ret->recp_local, "|");
4047 strcat(ret->recp_local, this_recp);
4055 /* Yes, you're reading this correctly: if the target
4056 * domain points back to the local system or an attached
4057 * Citadel directory, the address is invalid. That's
4058 * because if the address were valid, we would have
4059 * already translated it to a local address by now.
4061 if (IsDirectory(this_recp, 0)) {
4066 ++ret->num_internet;
4067 if (!IsEmptyStr(ret->recp_internet)) {
4068 strcat(ret->recp_internet, "|");
4070 strcat(ret->recp_internet, this_recp);
4075 if (!IsEmptyStr(ret->recp_ignet)) {
4076 strcat(ret->recp_ignet, "|");
4078 strcat(ret->recp_ignet, this_recp);
4086 if (IsEmptyStr(errmsg)) {
4087 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4090 snprintf(append, sizeof append, "%s", errmsg);
4092 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4093 if (!IsEmptyStr(ret->errormsg)) {
4094 strcat(ret->errormsg, "; ");
4096 strcat(ret->errormsg, append);
4100 if (IsEmptyStr(ret->display_recp)) {
4101 strcpy(append, this_recp);
4104 snprintf(append, sizeof append, ", %s", this_recp);
4106 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4107 strcat(ret->display_recp, append);
4112 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4113 ret->num_room + ret->num_error) == 0) {
4114 ret->num_error = (-1);
4115 strcpy(ret->errormsg, "No recipients specified.");
4118 CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
4119 CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4120 CtdlLogPrintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4121 CtdlLogPrintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4122 CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4123 CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4131 * Destructor for struct recptypes
4133 void free_recipients(struct recptypes *valid) {
4135 if (valid == NULL) {
4139 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4140 CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4144 if (valid->errormsg != NULL) free(valid->errormsg);
4145 if (valid->recp_local != NULL) free(valid->recp_local);
4146 if (valid->recp_internet != NULL) free(valid->recp_internet);
4147 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4148 if (valid->recp_room != NULL) free(valid->recp_room);
4149 if (valid->display_recp != NULL) free(valid->display_recp);
4150 if (valid->bounce_to != NULL) free(valid->bounce_to);
4151 if (valid->envelope_from != NULL) free(valid->envelope_from);
4158 * message entry - mode 0 (normal)
4160 void cmd_ent0(char *entargs)
4166 char supplied_euid[128];
4168 int format_type = 0;
4169 char newusername[256];
4170 char newuseremail[256];
4171 struct CtdlMessage *msg;
4175 struct recptypes *valid = NULL;
4176 struct recptypes *valid_to = NULL;
4177 struct recptypes *valid_cc = NULL;
4178 struct recptypes *valid_bcc = NULL;
4180 int subject_required = 0;
4185 int newuseremail_ok = 0;
4186 char references[SIZ];
4191 post = extract_int(entargs, 0);
4192 extract_token(recp, entargs, 1, '|', sizeof recp);
4193 anon_flag = extract_int(entargs, 2);
4194 format_type = extract_int(entargs, 3);
4195 extract_token(subject, entargs, 4, '|', sizeof subject);
4196 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4197 do_confirm = extract_int(entargs, 6);
4198 extract_token(cc, entargs, 7, '|', sizeof cc);
4199 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4200 switch(CC->room.QRdefaultview) {
4203 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4206 supplied_euid[0] = 0;
4209 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4210 extract_token(references, entargs, 11, '|', sizeof references);
4211 for (ptr=references; *ptr != 0; ++ptr) {
4212 if (*ptr == '!') *ptr = '|';
4215 /* first check to make sure the request is valid. */
4217 err = CtdlDoIHavePermissionToPostInThisRoom(
4222 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4226 cprintf("%d %s\n", err, errmsg);
4230 /* Check some other permission type things. */
4232 if (IsEmptyStr(newusername)) {
4233 strcpy(newusername, CC->user.fullname);
4235 if ( (CC->user.axlevel < AxAideU)
4236 && (strcasecmp(newusername, CC->user.fullname))
4237 && (strcasecmp(newusername, CC->cs_inet_fn))
4239 cprintf("%d You don't have permission to author messages as '%s'.\n",
4240 ERROR + HIGHER_ACCESS_REQUIRED,
4247 if (IsEmptyStr(newuseremail)) {
4248 newuseremail_ok = 1;
4251 if (!IsEmptyStr(newuseremail)) {
4252 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4253 newuseremail_ok = 1;
4255 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4256 j = num_tokens(CC->cs_inet_other_emails, '|');
4257 for (i=0; i<j; ++i) {
4258 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4259 if (!strcasecmp(newuseremail, buf)) {
4260 newuseremail_ok = 1;
4266 if (!newuseremail_ok) {
4267 cprintf("%d You don't have permission to author messages as '%s'.\n",
4268 ERROR + HIGHER_ACCESS_REQUIRED,
4274 CC->cs_flags |= CS_POSTING;
4276 /* In mailbox rooms we have to behave a little differently --
4277 * make sure the user has specified at least one recipient. Then
4278 * validate the recipient(s). We do this for the Mail> room, as
4279 * well as any room which has the "Mailbox" view set - unless it
4280 * is the DRAFTS room which does not require recipients
4283 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4284 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4285 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4286 if (CC->user.axlevel < AxProbU) {
4287 strcpy(recp, "sysop");
4292 valid_to = validate_recipients(recp, NULL, 0);
4293 if (valid_to->num_error > 0) {
4294 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4295 free_recipients(valid_to);
4299 valid_cc = validate_recipients(cc, NULL, 0);
4300 if (valid_cc->num_error > 0) {
4301 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4302 free_recipients(valid_to);
4303 free_recipients(valid_cc);
4307 valid_bcc = validate_recipients(bcc, NULL, 0);
4308 if (valid_bcc->num_error > 0) {
4309 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4310 free_recipients(valid_to);
4311 free_recipients(valid_cc);
4312 free_recipients(valid_bcc);
4316 /* Recipient required, but none were specified */
4317 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4318 free_recipients(valid_to);
4319 free_recipients(valid_cc);
4320 free_recipients(valid_bcc);
4321 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4325 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4326 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4327 cprintf("%d You do not have permission "
4328 "to send Internet mail.\n",
4329 ERROR + HIGHER_ACCESS_REQUIRED);
4330 free_recipients(valid_to);
4331 free_recipients(valid_cc);
4332 free_recipients(valid_bcc);
4337 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)
4338 && (CC->user.axlevel < AxNetU) ) {
4339 cprintf("%d Higher access required for network mail.\n",
4340 ERROR + HIGHER_ACCESS_REQUIRED);
4341 free_recipients(valid_to);
4342 free_recipients(valid_cc);
4343 free_recipients(valid_bcc);
4347 if ((RESTRICT_INTERNET == 1)
4348 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4349 && ((CC->user.flags & US_INTERNET) == 0)
4350 && (!CC->internal_pgm)) {
4351 cprintf("%d You don't have access to Internet mail.\n",
4352 ERROR + HIGHER_ACCESS_REQUIRED);
4353 free_recipients(valid_to);
4354 free_recipients(valid_cc);
4355 free_recipients(valid_bcc);
4361 /* Is this a room which has anonymous-only or anonymous-option? */
4362 anonymous = MES_NORMAL;
4363 if (CC->room.QRflags & QR_ANONONLY) {
4364 anonymous = MES_ANONONLY;
4366 if (CC->room.QRflags & QR_ANONOPT) {
4367 if (anon_flag == 1) { /* only if the user requested it */
4368 anonymous = MES_ANONOPT;
4372 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4376 /* Recommend to the client that the use of a message subject is
4377 * strongly recommended in this room, if either the SUBJECTREQ flag
4378 * is set, or if there is one or more Internet email recipients.
4380 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4381 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4382 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4383 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4385 /* If we're only checking the validity of the request, return
4386 * success without creating the message.
4389 cprintf("%d %s|%d\n", CIT_OK,
4390 ((valid_to != NULL) ? valid_to->display_recp : ""),
4392 free_recipients(valid_to);
4393 free_recipients(valid_cc);
4394 free_recipients(valid_bcc);
4398 /* We don't need these anymore because we'll do it differently below */
4399 free_recipients(valid_to);
4400 free_recipients(valid_cc);
4401 free_recipients(valid_bcc);
4403 /* Read in the message from the client. */
4405 cprintf("%d send message\n", START_CHAT_MODE);
4407 cprintf("%d send message\n", SEND_LISTING);
4410 msg = CtdlMakeMessage(&CC->user, recp, cc,
4411 CC->room.QRname, anonymous, format_type,
4412 newusername, newuseremail, subject,
4413 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4416 /* Put together one big recipients struct containing to/cc/bcc all in
4417 * one. This is for the envelope.
4419 char *all_recps = malloc(SIZ * 3);
4420 strcpy(all_recps, recp);
4421 if (!IsEmptyStr(cc)) {
4422 if (!IsEmptyStr(all_recps)) {
4423 strcat(all_recps, ",");
4425 strcat(all_recps, cc);
4427 if (!IsEmptyStr(bcc)) {
4428 if (!IsEmptyStr(all_recps)) {
4429 strcat(all_recps, ",");
4431 strcat(all_recps, bcc);
4433 if (!IsEmptyStr(all_recps)) {
4434 valid = validate_recipients(all_recps, NULL, 0);
4442 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4445 cprintf("%ld\n", msgnum);
4447 cprintf("Message accepted.\n");
4450 cprintf("Internal error.\n");
4452 if (msg->cm_fields['E'] != NULL) {
4453 cprintf("%s\n", msg->cm_fields['E']);
4460 CtdlFreeMessage(msg);
4462 if (valid != NULL) {
4463 free_recipients(valid);
4471 * API function to delete messages which match a set of criteria
4472 * (returns the actual number of messages deleted)
4474 int CtdlDeleteMessages(char *room_name, /* which room */
4475 long *dmsgnums, /* array of msg numbers to be deleted */
4476 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4477 char *content_type /* or "" for any. regular expressions expected. */
4480 struct ctdlroom qrbuf;
4481 struct cdbdata *cdbfr;
4482 long *msglist = NULL;
4483 long *dellist = NULL;
4486 int num_deleted = 0;
4488 struct MetaData smi;
4491 int need_to_free_re = 0;
4493 if (content_type) if (!IsEmptyStr(content_type)) {
4494 regcomp(&re, content_type, 0);
4495 need_to_free_re = 1;
4497 CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4498 room_name, num_dmsgnums, content_type);
4500 /* get room record, obtaining a lock... */
4501 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4502 CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4504 if (need_to_free_re) regfree(&re);
4505 return (0); /* room not found */
4507 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4509 if (cdbfr != NULL) {
4510 dellist = malloc(cdbfr->len);
4511 msglist = (long *) cdbfr->ptr;
4512 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4513 num_msgs = cdbfr->len / sizeof(long);
4517 for (i = 0; i < num_msgs; ++i) {
4520 /* Set/clear a bit for each criterion */
4522 /* 0 messages in the list or a null list means that we are
4523 * interested in deleting any messages which meet the other criteria.
4525 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4526 delete_this |= 0x01;
4529 for (j=0; j<num_dmsgnums; ++j) {
4530 if (msglist[i] == dmsgnums[j]) {
4531 delete_this |= 0x01;
4536 if (IsEmptyStr(content_type)) {
4537 delete_this |= 0x02;
4539 GetMetaData(&smi, msglist[i]);
4540 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4541 delete_this |= 0x02;
4545 /* Delete message only if all bits are set */
4546 if (delete_this == 0x03) {
4547 dellist[num_deleted++] = msglist[i];
4552 num_msgs = sort_msglist(msglist, num_msgs);
4553 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4554 msglist, (int)(num_msgs * sizeof(long)));
4557 qrbuf.QRhighest = msglist[num_msgs - 1];
4559 qrbuf.QRhighest = 0;
4561 CtdlPutRoomLock(&qrbuf);
4563 /* Go through the messages we pulled out of the index, and decrement
4564 * their reference counts by 1. If this is the only room the message
4565 * was in, the reference count will reach zero and the message will
4566 * automatically be deleted from the database. We do this in a
4567 * separate pass because there might be plug-in hooks getting called,
4568 * and we don't want that happening during an S_ROOMS critical
4571 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4572 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4573 AdjRefCount(dellist[i], -1);
4576 /* Now free the memory we used, and go away. */
4577 if (msglist != NULL) free(msglist);
4578 if (dellist != NULL) free(dellist);
4579 CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
4580 if (need_to_free_re) regfree(&re);
4581 return (num_deleted);
4587 * Check whether the current user has permission to delete messages from
4588 * the current room (returns 1 for yes, 0 for no)
4590 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4592 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4593 if (ra & UA_DELETEALLOWED) return(1);
4601 * Delete message from current room
4603 void cmd_dele(char *args)
4612 extract_token(msgset, args, 0, '|', sizeof msgset);
4613 num_msgs = num_tokens(msgset, ',');
4615 cprintf("%d Nothing to do.\n", CIT_OK);
4619 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4620 cprintf("%d Higher access required.\n",
4621 ERROR + HIGHER_ACCESS_REQUIRED);
4626 * Build our message set to be moved/copied
4628 msgs = malloc(num_msgs * sizeof(long));
4629 for (i=0; i<num_msgs; ++i) {
4630 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4631 msgs[i] = atol(msgtok);
4634 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4638 cprintf("%d %d message%s deleted.\n", CIT_OK,
4639 num_deleted, ((num_deleted != 1) ? "s" : ""));
4641 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4649 * move or copy a message to another room
4651 void cmd_move(char *args)
4658 char targ[ROOMNAMELEN];
4659 struct ctdlroom qtemp;
4666 extract_token(msgset, args, 0, '|', sizeof msgset);
4667 num_msgs = num_tokens(msgset, ',');
4669 cprintf("%d Nothing to do.\n", CIT_OK);
4673 extract_token(targ, args, 1, '|', sizeof targ);
4674 convert_room_name_macros(targ, sizeof targ);
4675 targ[ROOMNAMELEN - 1] = 0;
4676 is_copy = extract_int(args, 2);
4678 if (CtdlGetRoom(&qtemp, targ) != 0) {
4679 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4683 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4684 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4688 CtdlGetUser(&CC->user, CC->curr_user);
4689 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4691 /* Check for permission to perform this operation.
4692 * Remember: "CC->room" is source, "qtemp" is target.
4696 /* Aides can move/copy */
4697 if (CC->user.axlevel >= AxAideU) permit = 1;
4699 /* Room aides can move/copy */
4700 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4702 /* Permit move/copy from personal rooms */
4703 if ((CC->room.QRflags & QR_MAILBOX)
4704 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4706 /* Permit only copy from public to personal room */
4708 && (!(CC->room.QRflags & QR_MAILBOX))
4709 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4711 /* Permit message removal from collaborative delete rooms */
4712 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4714 /* Users allowed to post into the target room may move into it too. */
4715 if ((CC->room.QRflags & QR_MAILBOX) &&
4716 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4718 /* User must have access to target room */
4719 if (!(ra & UA_KNOWN)) permit = 0;
4722 cprintf("%d Higher access required.\n",
4723 ERROR + HIGHER_ACCESS_REQUIRED);
4728 * Build our message set to be moved/copied
4730 msgs = malloc(num_msgs * sizeof(long));
4731 for (i=0; i<num_msgs; ++i) {
4732 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4733 msgs[i] = atol(msgtok);
4739 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4741 cprintf("%d Cannot store message(s) in %s: error %d\n",
4747 /* Now delete the message from the source room,
4748 * if this is a 'move' rather than a 'copy' operation.
4751 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4755 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4761 * GetMetaData() - Get the supplementary record for a message
4763 void GetMetaData(struct MetaData *smibuf, long msgnum)
4766 struct cdbdata *cdbsmi;
4769 memset(smibuf, 0, sizeof(struct MetaData));
4770 smibuf->meta_msgnum = msgnum;
4771 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4773 /* Use the negative of the message number for its supp record index */
4774 TheIndex = (0L - msgnum);
4776 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4777 if (cdbsmi == NULL) {
4778 return; /* record not found; go with defaults */
4780 memcpy(smibuf, cdbsmi->ptr,
4781 ((cdbsmi->len > sizeof(struct MetaData)) ?
4782 sizeof(struct MetaData) : cdbsmi->len));
4789 * PutMetaData() - (re)write supplementary record for a message
4791 void PutMetaData(struct MetaData *smibuf)
4795 /* Use the negative of the message number for the metadata db index */
4796 TheIndex = (0L - smibuf->meta_msgnum);
4798 cdb_store(CDB_MSGMAIN,
4799 &TheIndex, (int)sizeof(long),
4800 smibuf, (int)sizeof(struct MetaData));
4805 * AdjRefCount - submit an adjustment to the reference count for a message.
4806 * (These are just queued -- we actually process them later.)
4808 void AdjRefCount(long msgnum, int incr)
4810 struct arcq new_arcq;
4813 CtdlLogPrintf(CTDL_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4817 begin_critical_section(S_SUPPMSGMAIN);
4818 if (arcfp == NULL) {
4819 arcfp = fopen(file_arcq, "ab+");
4821 end_critical_section(S_SUPPMSGMAIN);
4823 /* msgnum < 0 means that we're trying to close the file */
4825 CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
4826 begin_critical_section(S_SUPPMSGMAIN);
4827 if (arcfp != NULL) {
4831 end_critical_section(S_SUPPMSGMAIN);
4836 * If we can't open the queue, perform the operation synchronously.
4838 if (arcfp == NULL) {
4839 TDAP_AdjRefCount(msgnum, incr);
4843 new_arcq.arcq_msgnum = msgnum;
4844 new_arcq.arcq_delta = incr;
4845 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4853 * TDAP_ProcessAdjRefCountQueue()
4855 * Process the queue of message count adjustments that was created by calls
4856 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4857 * for each one. This should be an "off hours" operation.
4859 int TDAP_ProcessAdjRefCountQueue(void)
4861 char file_arcq_temp[PATH_MAX];
4864 struct arcq arcq_rec;
4865 int num_records_processed = 0;
4867 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4869 begin_critical_section(S_SUPPMSGMAIN);
4870 if (arcfp != NULL) {
4875 r = link(file_arcq, file_arcq_temp);
4877 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4878 end_critical_section(S_SUPPMSGMAIN);
4879 return(num_records_processed);
4883 end_critical_section(S_SUPPMSGMAIN);
4885 fp = fopen(file_arcq_temp, "rb");
4887 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4888 return(num_records_processed);
4891 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4892 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4893 ++num_records_processed;
4897 r = unlink(file_arcq_temp);
4899 CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4902 return(num_records_processed);
4908 * TDAP_AdjRefCount - adjust the reference count for a message.
4909 * This one does it "for real" because it's called by
4910 * the autopurger function that processes the queue
4911 * created by AdjRefCount(). If a message's reference
4912 * count becomes zero, we also delete the message from
4913 * disk and de-index it.
4915 void TDAP_AdjRefCount(long msgnum, int incr)
4918 struct MetaData smi;
4921 /* This is a *tight* critical section; please keep it that way, as
4922 * it may get called while nested in other critical sections.
4923 * Complicating this any further will surely cause deadlock!
4925 begin_critical_section(S_SUPPMSGMAIN);
4926 GetMetaData(&smi, msgnum);
4927 smi.meta_refcount += incr;
4929 end_critical_section(S_SUPPMSGMAIN);
4930 CtdlLogPrintf(CTDL_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4931 msgnum, incr, smi.meta_refcount
4934 /* If the reference count is now zero, delete the message
4935 * (and its supplementary record as well).
4937 if (smi.meta_refcount == 0) {
4938 CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
4940 /* Call delete hooks with NULL room to show it has gone altogether */
4941 PerformDeleteHooks(NULL, msgnum);
4943 /* Remove from message base */
4945 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4946 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4948 /* Remove metadata record */
4949 delnum = (0L - msgnum);
4950 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4956 * Write a generic object to this room
4958 * Note: this could be much more efficient. Right now we use two temporary
4959 * files, and still pull the message into memory as with all others.
4961 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4962 char *content_type, /* MIME type of this object */
4963 char *raw_message, /* Data to be written */
4964 off_t raw_length, /* Size of raw_message */
4965 struct ctdluser *is_mailbox, /* Mailbox room? */
4966 int is_binary, /* Is encoding necessary? */
4967 int is_unique, /* Del others of this type? */
4968 unsigned int flags /* Internal save flags */
4972 struct ctdlroom qrbuf;
4973 char roomname[ROOMNAMELEN];
4974 struct CtdlMessage *msg;
4975 char *encoded_message = NULL;
4977 if (is_mailbox != NULL) {
4978 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4981 safestrncpy(roomname, req_room, sizeof(roomname));
4984 CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
4987 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4990 encoded_message = malloc((size_t)(raw_length + 4096));
4993 sprintf(encoded_message, "Content-type: %s\n", content_type);
4996 sprintf(&encoded_message[strlen(encoded_message)],
4997 "Content-transfer-encoding: base64\n\n"
5001 sprintf(&encoded_message[strlen(encoded_message)],
5002 "Content-transfer-encoding: 7bit\n\n"
5008 &encoded_message[strlen(encoded_message)],
5016 &encoded_message[strlen(encoded_message)],
5022 CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
5023 msg = malloc(sizeof(struct CtdlMessage));
5024 memset(msg, 0, sizeof(struct CtdlMessage));
5025 msg->cm_magic = CTDLMESSAGE_MAGIC;
5026 msg->cm_anon_type = MES_NORMAL;
5027 msg->cm_format_type = 4;
5028 msg->cm_fields['A'] = strdup(CC->user.fullname);
5029 msg->cm_fields['O'] = strdup(req_room);
5030 msg->cm_fields['N'] = strdup(config.c_nodename);
5031 msg->cm_fields['H'] = strdup(config.c_humannode);
5032 msg->cm_flags = flags;
5034 msg->cm_fields['M'] = encoded_message;
5036 /* Create the requested room if we have to. */
5037 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5038 CtdlCreateRoom(roomname,
5039 ( (is_mailbox != NULL) ? 5 : 3 ),
5040 "", 0, 1, 0, VIEW_BBS);
5042 /* If the caller specified this object as unique, delete all
5043 * other objects of this type that are currently in the room.
5046 CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
5047 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5050 /* Now write the data */
5051 CtdlSubmitMsg(msg, NULL, roomname, 0);
5052 CtdlFreeMessage(msg);
5060 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5061 config_msgnum = msgnum;
5065 char *CtdlGetSysConfig(char *sysconfname) {
5066 char hold_rm[ROOMNAMELEN];
5069 struct CtdlMessage *msg;
5072 strcpy(hold_rm, CC->room.QRname);
5073 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5074 CtdlGetRoom(&CC->room, hold_rm);
5079 /* We want the last (and probably only) config in this room */
5080 begin_critical_section(S_CONFIG);
5081 config_msgnum = (-1L);
5082 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5083 CtdlGetSysConfigBackend, NULL);
5084 msgnum = config_msgnum;
5085 end_critical_section(S_CONFIG);
5091 msg = CtdlFetchMessage(msgnum, 1);
5093 conf = strdup(msg->cm_fields['M']);
5094 CtdlFreeMessage(msg);
5101 CtdlGetRoom(&CC->room, hold_rm);
5103 if (conf != NULL) do {
5104 extract_token(buf, conf, 0, '\n', sizeof buf);
5105 strcpy(conf, &conf[strlen(buf)+1]);
5106 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5112 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5113 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5118 * Determine whether a given Internet address belongs to the current user
5120 int CtdlIsMe(char *addr, int addr_buf_len)
5122 struct recptypes *recp;
5125 recp = validate_recipients(addr, NULL, 0);
5126 if (recp == NULL) return(0);
5128 if (recp->num_local == 0) {
5129 free_recipients(recp);
5133 for (i=0; i<recp->num_local; ++i) {
5134 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5135 if (!strcasecmp(addr, CC->user.fullname)) {
5136 free_recipients(recp);
5141 free_recipients(recp);
5147 * Citadel protocol command to do the same
5149 void cmd_isme(char *argbuf) {
5152 if (CtdlAccessCheck(ac_logged_in)) return;
5153 extract_token(addr, argbuf, 0, '|', sizeof addr);
5155 if (CtdlIsMe(addr, sizeof addr)) {
5156 cprintf("%d %s\n", CIT_OK, addr);
5159 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5165 /*****************************************************************************/
5166 /* MODULE INITIALIZATION STUFF */
5167 /*****************************************************************************/
5169 CTDL_MODULE_INIT(msgbase)
5172 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5173 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5174 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5175 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5176 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5177 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5178 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5179 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5180 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5181 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5182 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5183 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5186 /* return our Subversion id for the Log */