2 * Implements the message store.
4 * Copyright (c) 1987-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #if TIME_WITH_SYS_TIME
28 # include <sys/time.h>
32 # include <sys/time.h>
45 #include <sys/types.h>
47 #include <libcitadel.h>
50 #include "serv_extensions.h"
54 #include "sysdep_decls.h"
55 #include "citserver.h"
62 #include "internet_addressing.h"
63 #include "euidindex.h"
64 #include "journaling.h"
65 #include "citadel_dirs.h"
66 #include "clientsocket.h"
69 #include "ctdl_module.h"
72 struct addresses_to_be_filed *atbf = NULL;
74 /* This temp file holds the queue of operations for AdjRefCount() */
75 static FILE *arcfp = NULL;
78 * These are the four-character field headers we use when outputting
79 * messages in Citadel format (as opposed to RFC822 format).
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
83 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
84 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
85 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
86 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
87 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
88 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
89 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
118 * This function is self explanatory.
119 * (What can I say, I'm in a weird mood today...)
121 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
125 for (i = 0; i < strlen(name); ++i) {
126 if (name[i] == '@') {
127 while (isspace(name[i - 1]) && i > 0) {
128 strcpy(&name[i - 1], &name[i]);
131 while (isspace(name[i + 1])) {
132 strcpy(&name[i + 1], &name[i + 2]);
140 * Aliasing for network mail.
141 * (Error messages have been commented out, because this is a server.)
143 int alias(char *name)
144 { /* process alias and routing info for mail */
147 char aaa[SIZ], bbb[SIZ];
148 char *ignetcfg = NULL;
149 char *ignetmap = NULL;
155 char original_name[256];
156 safestrncpy(original_name, name, sizeof original_name);
159 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
160 stripallbut(name, '<', '>');
162 fp = fopen(file_mail_aliases, "r");
164 fp = fopen("/dev/null", "r");
171 while (fgets(aaa, sizeof aaa, fp) != NULL) {
172 while (isspace(name[0]))
173 strcpy(name, &name[1]);
174 aaa[strlen(aaa) - 1] = 0;
176 for (a = 0; a < strlen(aaa); ++a) {
178 strcpy(bbb, &aaa[a + 1]);
182 if (!strcasecmp(name, aaa))
187 /* Hit the Global Address Book */
188 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
192 if (strcasecmp(original_name, name)) {
193 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
196 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
197 for (a=0; a<strlen(name); ++a) {
198 if (name[a] == '@') {
199 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
201 syslog(LOG_INFO, "Changed to <%s>\n", name);
206 /* determine local or remote type, see citadel.h */
207 at = haschar(name, '@');
208 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
209 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
210 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
212 /* figure out the delivery mode */
213 extract_token(node, name, 1, '@', sizeof node);
215 /* If there are one or more dots in the nodename, we assume that it
216 * is an FQDN and will attempt SMTP delivery to the Internet.
218 if (haschar(node, '.') > 0) {
219 return(MES_INTERNET);
222 /* Otherwise we look in the IGnet maps for a valid Citadel node.
223 * Try directly-connected nodes first...
225 ignetcfg = CtdlGetSysConfig(IGNETCFG);
226 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
227 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
228 extract_token(testnode, buf, 0, '|', sizeof testnode);
229 if (!strcasecmp(node, testnode)) {
237 * Then try nodes that are two or more hops away.
239 ignetmap = CtdlGetSysConfig(IGNETMAP);
240 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
241 extract_token(buf, ignetmap, i, '\n', sizeof buf);
242 extract_token(testnode, buf, 0, '|', sizeof testnode);
243 if (!strcasecmp(node, testnode)) {
250 /* If we get to this point it's an invalid node name */
256 * Back end for the MSGS command: output message number only.
258 void simple_listing(long msgnum, void *userdata)
260 cprintf("%ld\n", msgnum);
266 * Back end for the MSGS command: output header summary.
268 void headers_listing(long msgnum, void *userdata)
270 struct CtdlMessage *msg;
272 msg = CtdlFetchMessage(msgnum, 0);
274 cprintf("%ld|0|||||\n", msgnum);
278 cprintf("%ld|%s|%s|%s|%s|%s|\n",
280 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
281 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
282 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
283 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
284 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
286 CtdlFreeMessage(msg);
290 * Back end for the MSGS command: output EUID header.
292 void headers_euid(long msgnum, void *userdata)
294 struct CtdlMessage *msg;
296 msg = CtdlFetchMessage(msgnum, 0);
298 cprintf("%ld||\n", msgnum);
302 cprintf("%ld|%s|%s\n",
304 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
305 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
306 CtdlFreeMessage(msg);
313 /* Determine if a given message matches the fields in a message template.
314 * Return 0 for a successful match.
316 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
319 /* If there aren't any fields in the template, all messages will
322 if (template == NULL) return(0);
324 /* Null messages are bogus. */
325 if (msg == NULL) return(1);
327 for (i='A'; i<='Z'; ++i) {
328 if (template->cm_fields[i] != NULL) {
329 if (msg->cm_fields[i] == NULL) {
330 /* Considered equal if temmplate is empty string */
331 if (IsEmptyStr(template->cm_fields[i])) continue;
334 if (strcasecmp(msg->cm_fields[i],
335 template->cm_fields[i])) return 1;
339 /* All compares succeeded: we have a match! */
346 * Retrieve the "seen" message list for the current room.
348 void CtdlGetSeen(char *buf, int which_set) {
351 /* Learn about the user and room in question */
352 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
354 if (which_set == ctdlsetseen_seen)
355 safestrncpy(buf, vbuf.v_seen, SIZ);
356 if (which_set == ctdlsetseen_answered)
357 safestrncpy(buf, vbuf.v_answered, SIZ);
363 * Manipulate the "seen msgs" string (or other message set strings)
365 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
366 int target_setting, int which_set,
367 struct ctdluser *which_user, struct ctdlroom *which_room) {
368 struct cdbdata *cdbfr;
382 char *is_set; /* actually an array of booleans */
384 /* Don't bother doing *anything* if we were passed a list of zero messages */
385 if (num_target_msgnums < 1) {
389 /* If no room was specified, we go with the current room. */
391 which_room = &CC->room;
394 /* If no user was specified, we go with the current user. */
396 which_user = &CC->user;
399 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
400 num_target_msgnums, target_msgnums[0],
401 (target_setting ? "SET" : "CLEAR"),
405 /* Learn about the user and room in question */
406 CtdlGetRelationship(&vbuf, which_user, which_room);
408 /* Load the message list */
409 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
411 msglist = (long *) cdbfr->ptr;
412 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
413 num_msgs = cdbfr->len / sizeof(long);
416 return; /* No messages at all? No further action. */
419 is_set = malloc(num_msgs * sizeof(char));
420 memset(is_set, 0, (num_msgs * sizeof(char)) );
422 /* Decide which message set we're manipulating */
424 case ctdlsetseen_seen:
425 vset = NewStrBufPlain(vbuf.v_seen, -1);
427 case ctdlsetseen_answered:
428 vset = NewStrBufPlain(vbuf.v_answered, -1);
435 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
436 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
437 for (i=0; i<num_msgs; ++i) {
438 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
440 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
441 for (k=0; k<num_target_msgnums; ++k) {
442 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
446 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
448 /* Translate the existing sequence set into an array of booleans */
449 setstr = NewStrBuf();
453 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
455 StrBufExtract_token(lostr, setstr, 0, ':');
456 if (StrBufNum_tokens(setstr, ':') >= 2) {
457 StrBufExtract_token(histr, setstr, 1, ':');
461 StrBufAppendBuf(histr, lostr, 0);
464 if (!strcmp(ChrPtr(histr), "*")) {
471 for (i = 0; i < num_msgs; ++i) {
472 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
482 /* Now translate the array of booleans back into a sequence set */
488 for (i=0; i<num_msgs; ++i) {
492 for (k=0; k<num_target_msgnums; ++k) {
493 if (msglist[i] == target_msgnums[k]) {
494 is_seen = target_setting;
498 if ((was_seen == 0) && (is_seen == 1)) {
501 else if ((was_seen == 1) && (is_seen == 0)) {
504 if (StrLength(vset) > 0) {
505 StrBufAppendBufPlain(vset, HKEY(","), 0);
508 StrBufAppendPrintf(vset, "%ld", hi);
511 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
515 if ((is_seen) && (i == num_msgs - 1)) {
516 if (StrLength(vset) > 0) {
517 StrBufAppendBufPlain(vset, HKEY(","), 0);
519 if ((i==0) || (was_seen == 0)) {
520 StrBufAppendPrintf(vset, "%ld", msglist[i]);
523 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
531 * We will have to stuff this string back into a 4096 byte buffer, so if it's
532 * larger than that now, truncate it by removing tokens from the beginning.
533 * The limit of 100 iterations is there to prevent an infinite loop in case
534 * something unexpected happens.
536 int number_of_truncations = 0;
537 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
538 StrBufRemove_token(vset, 0, ',');
539 ++number_of_truncations;
543 * If we're truncating the sequence set of messages marked with the 'seen' flag,
544 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
545 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
547 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
549 first_tok = NewStrBuf();
550 StrBufExtract_token(first_tok, vset, 0, ',');
551 StrBufRemove_token(vset, 0, ',');
553 if (StrBufNum_tokens(first_tok, ':') > 1) {
554 StrBufRemove_token(first_tok, 0, ':');
558 new_set = NewStrBuf();
559 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
560 StrBufAppendBuf(new_set, first_tok, 0);
561 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
562 StrBufAppendBuf(new_set, vset, 0);
565 FreeStrBuf(&first_tok);
569 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
571 /* Decide which message set we're manipulating */
573 case ctdlsetseen_seen:
574 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
576 case ctdlsetseen_answered:
577 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
583 CtdlSetRelationship(&vbuf, which_user, which_room);
589 * API function to perform an operation for each qualifying message in the
590 * current room. (Returns the number of messages processed.)
592 int CtdlForEachMessage(int mode, long ref, char *search_string,
594 struct CtdlMessage *compare,
595 ForEachMsgCallback CallBack,
601 struct cdbdata *cdbfr;
602 long *msglist = NULL;
604 int num_processed = 0;
607 struct CtdlMessage *msg = NULL;
610 int printed_lastold = 0;
611 int num_search_msgs = 0;
612 long *search_msgs = NULL;
614 int need_to_free_re = 0;
617 if ((content_type) && (!IsEmptyStr(content_type))) {
618 regcomp(&re, content_type, 0);
622 /* Learn about the user and room in question */
623 CtdlGetUser(&CC->user, CC->curr_user);
624 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
626 /* Load the message list */
627 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
629 if (need_to_free_re) regfree(&re);
630 return 0; /* No messages at all? No further action. */
633 msglist = (long *) cdbfr->ptr;
634 num_msgs = cdbfr->len / sizeof(long);
636 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
637 cdb_free(cdbfr); /* we own this memory now */
640 * Now begin the traversal.
642 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
644 /* If the caller is looking for a specific MIME type, filter
645 * out all messages which are not of the type requested.
647 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
649 /* This call to GetMetaData() sits inside this loop
650 * so that we only do the extra database read per msg
651 * if we need to. Doing the extra read all the time
652 * really kills the server. If we ever need to use
653 * metadata for another search criterion, we need to
654 * move the read somewhere else -- but still be smart
655 * enough to only do the read if the caller has
656 * specified something that will need it.
658 GetMetaData(&smi, msglist[a]);
660 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
661 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
667 num_msgs = sort_msglist(msglist, num_msgs);
669 /* If a template was supplied, filter out the messages which
670 * don't match. (This could induce some delays!)
673 if (compare != NULL) {
674 for (a = 0; a < num_msgs; ++a) {
675 msg = CtdlFetchMessage(msglist[a], 1);
677 if (CtdlMsgCmp(msg, compare)) {
680 CtdlFreeMessage(msg);
686 /* If a search string was specified, get a message list from
687 * the full text index and remove messages which aren't on both
691 * Since the lists are sorted and strictly ascending, and the
692 * output list is guaranteed to be shorter than or equal to the
693 * input list, we overwrite the bottom of the input list. This
694 * eliminates the need to memmove big chunks of the list over and
697 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
699 /* Call search module via hook mechanism.
700 * NULL means use any search function available.
701 * otherwise replace with a char * to name of search routine
703 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
705 if (num_search_msgs > 0) {
709 orig_num_msgs = num_msgs;
711 for (i=0; i<orig_num_msgs; ++i) {
712 for (j=0; j<num_search_msgs; ++j) {
713 if (msglist[i] == search_msgs[j]) {
714 msglist[num_msgs++] = msglist[i];
720 num_msgs = 0; /* No messages qualify */
722 if (search_msgs != NULL) free(search_msgs);
724 /* Now that we've purged messages which don't contain the search
725 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
732 * Now iterate through the message list, according to the
733 * criteria supplied by the caller.
736 for (a = 0; a < num_msgs; ++a) {
737 thismsg = msglist[a];
738 if (mode == MSGS_ALL) {
742 is_seen = is_msg_in_sequence_set(
743 vbuf.v_seen, thismsg);
744 if (is_seen) lastold = thismsg;
750 || ((mode == MSGS_OLD) && (is_seen))
751 || ((mode == MSGS_NEW) && (!is_seen))
752 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
753 || ((mode == MSGS_FIRST) && (a < ref))
754 || ((mode == MSGS_GT) && (thismsg > ref))
755 || ((mode == MSGS_LT) && (thismsg < ref))
756 || ((mode == MSGS_EQ) && (thismsg == ref))
759 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
761 CallBack(lastold, userdata);
765 if (CallBack) CallBack(thismsg, userdata);
769 if (need_to_free_re) regfree(&re);
772 * We cache the most recent msglist in order to do security checks later
774 if (CC->client_socket > 0) {
775 if (CC->cached_msglist != NULL) {
776 free(CC->cached_msglist);
778 CC->cached_msglist = msglist;
779 CC->cached_num_msgs = num_msgs;
785 return num_processed;
791 * cmd_msgs() - get list of message #'s in this room
792 * implements the MSGS server command using CtdlForEachMessage()
794 void cmd_msgs(char *cmdbuf)
803 int with_template = 0;
804 struct CtdlMessage *template = NULL;
805 char search_string[1024];
806 ForEachMsgCallback CallBack;
808 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
810 extract_token(which, cmdbuf, 0, '|', sizeof which);
811 cm_ref = extract_int(cmdbuf, 1);
812 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
813 with_template = extract_int(cmdbuf, 2);
814 switch (extract_int(cmdbuf, 3))
818 CallBack = simple_listing;
821 CallBack = headers_listing;
824 CallBack = headers_euid;
829 if (!strncasecmp(which, "OLD", 3))
831 else if (!strncasecmp(which, "NEW", 3))
833 else if (!strncasecmp(which, "FIRST", 5))
835 else if (!strncasecmp(which, "LAST", 4))
837 else if (!strncasecmp(which, "GT", 2))
839 else if (!strncasecmp(which, "LT", 2))
841 else if (!strncasecmp(which, "SEARCH", 6))
846 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
847 cprintf("%d Full text index is not enabled on this server.\n",
848 ERROR + CMD_NOT_SUPPORTED);
854 cprintf("%d Send template then receive message list\n",
856 template = (struct CtdlMessage *)
857 malloc(sizeof(struct CtdlMessage));
858 memset(template, 0, sizeof(struct CtdlMessage));
859 template->cm_magic = CTDLMESSAGE_MAGIC;
860 template->cm_anon_type = MES_NORMAL;
862 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
863 extract_token(tfield, buf, 0, '|', sizeof tfield);
864 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
865 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
866 if (!strcasecmp(tfield, msgkeys[i])) {
867 template->cm_fields[i] =
875 cprintf("%d \n", LISTING_FOLLOWS);
878 CtdlForEachMessage(mode,
879 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
880 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
885 if (template != NULL) CtdlFreeMessage(template);
893 * help_subst() - support routine for help file viewer
895 void help_subst(char *strbuf, char *source, char *dest)
900 while (p = pattern2(strbuf, source), (p >= 0)) {
901 strcpy(workbuf, &strbuf[p + strlen(source)]);
902 strcpy(&strbuf[p], dest);
903 strcat(strbuf, workbuf);
908 void do_help_subst(char *buffer)
912 help_subst(buffer, "^nodename", config.c_nodename);
913 help_subst(buffer, "^humannode", config.c_humannode);
914 help_subst(buffer, "^fqdn", config.c_fqdn);
915 help_subst(buffer, "^username", CC->user.fullname);
916 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
917 help_subst(buffer, "^usernum", buf2);
918 help_subst(buffer, "^sysadm", config.c_sysadm);
919 help_subst(buffer, "^variantname", CITADEL);
920 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
921 help_subst(buffer, "^maxsessions", buf2);
922 help_subst(buffer, "^bbsdir", ctdl_message_dir);
928 * memfmout() - Citadel text formatter and paginator.
929 * Although the original purpose of this routine was to format
930 * text to the reader's screen width, all we're really using it
931 * for here is to format text out to 80 columns before sending it
932 * to the client. The client software may reformat it again.
935 char *mptr, /* where are we going to get our text from? */
936 const char *nl /* string to terminate lines with */
939 unsigned char ch = 0;
946 while (ch=*(mptr++), ch != 0) {
949 if (client_write(outbuf, len) == -1)
951 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
955 if (client_write(nl, nllen) == -1)
957 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
962 else if (ch == '\r') {
963 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
965 else if (isspace(ch)) {
966 if (column > 72) { /* Beyond 72 columns, break on the next space */
967 if (client_write(outbuf, len) == -1)
969 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
973 if (client_write(nl, nllen) == -1)
975 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
988 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
989 if (client_write(outbuf, len) == -1)
991 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
995 if (client_write(nl, nllen) == -1)
997 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1005 if (client_write(outbuf, len) == -1)
1007 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1011 client_write(nl, nllen);
1019 * Callback function for mime parser that simply lists the part
1021 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1022 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1023 char *cbid, void *cbuserdata)
1027 ma = (struct ma_info *)cbuserdata;
1028 if (ma->is_ma == 0) {
1029 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1042 * Callback function for multipart prefix
1044 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1045 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1046 char *cbid, void *cbuserdata)
1050 ma = (struct ma_info *)cbuserdata;
1051 if (!strcasecmp(cbtype, "multipart/alternative")) {
1055 if (ma->is_ma == 0) {
1056 cprintf("pref=%s|%s\n", partnum, cbtype);
1061 * Callback function for multipart sufffix
1063 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1064 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1065 char *cbid, void *cbuserdata)
1069 ma = (struct ma_info *)cbuserdata;
1070 if (ma->is_ma == 0) {
1071 cprintf("suff=%s|%s\n", partnum, cbtype);
1073 if (!strcasecmp(cbtype, "multipart/alternative")) {
1080 * Callback function for mime parser that opens a section for downloading
1082 void mime_download(char *name, char *filename, char *partnum, char *disp,
1083 void *content, char *cbtype, char *cbcharset, size_t length,
1084 char *encoding, char *cbid, void *cbuserdata)
1088 /* Silently go away if there's already a download open. */
1089 if (CC->download_fp != NULL)
1093 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1094 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1096 CC->download_fp = tmpfile();
1097 if (CC->download_fp == NULL)
1100 rv = fwrite(content, length, 1, CC->download_fp);
1102 syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1105 fflush(CC->download_fp);
1106 rewind(CC->download_fp);
1108 OpenCmdResult(filename, cbtype);
1115 * Callback function for mime parser that outputs a section all at once.
1116 * We can specify the desired section by part number *or* content-id.
1118 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1119 void *content, char *cbtype, char *cbcharset, size_t length,
1120 char *encoding, char *cbid, void *cbuserdata)
1122 int *found_it = (int *)cbuserdata;
1125 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1126 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1129 cprintf("%d %d|-1|%s|%s|%s\n",
1136 client_write(content, length);
1142 * Load a message from disk into memory.
1143 * This is used by CtdlOutputMsg() and other fetch functions.
1145 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1146 * using the CtdlMessageFree() function.
1148 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1150 struct cdbdata *dmsgtext;
1151 struct CtdlMessage *ret = NULL;
1155 cit_uint8_t field_header;
1157 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1158 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1159 if (dmsgtext == NULL) {
1162 mptr = dmsgtext->ptr;
1163 upper_bound = mptr + dmsgtext->len;
1165 /* Parse the three bytes that begin EVERY message on disk.
1166 * The first is always 0xFF, the on-disk magic number.
1167 * The second is the anonymous/public type byte.
1168 * The third is the format type byte (vari, fixed, or MIME).
1172 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1176 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1177 memset(ret, 0, sizeof(struct CtdlMessage));
1179 ret->cm_magic = CTDLMESSAGE_MAGIC;
1180 ret->cm_anon_type = *mptr++; /* Anon type byte */
1181 ret->cm_format_type = *mptr++; /* Format type byte */
1184 * The rest is zero or more arbitrary fields. Load them in.
1185 * We're done when we encounter either a zero-length field or
1186 * have just processed the 'M' (message text) field.
1189 if (mptr >= upper_bound) {
1192 field_header = *mptr++;
1193 ret->cm_fields[field_header] = strdup(mptr);
1195 while (*mptr++ != 0); /* advance to next field */
1197 } while ((mptr < upper_bound) && (field_header != 'M'));
1201 /* Always make sure there's something in the msg text field. If
1202 * it's NULL, the message text is most likely stored separately,
1203 * so go ahead and fetch that. Failing that, just set a dummy
1204 * body so other code doesn't barf.
1206 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1207 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1208 if (dmsgtext != NULL) {
1209 ret->cm_fields['M'] = dmsgtext->ptr;
1210 dmsgtext->ptr = NULL;
1214 if (ret->cm_fields['M'] == NULL) {
1215 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1218 /* Perform "before read" hooks (aborting if any return nonzero) */
1219 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1220 CtdlFreeMessage(ret);
1229 * Returns 1 if the supplied pointer points to a valid Citadel message.
1230 * If the pointer is NULL or the magic number check fails, returns 0.
1232 int is_valid_message(struct CtdlMessage *msg) {
1235 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1236 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1244 * 'Destructor' for struct CtdlMessage
1246 void CtdlFreeMessage(struct CtdlMessage *msg)
1250 if (is_valid_message(msg) == 0)
1252 if (msg != NULL) free (msg);
1256 for (i = 0; i < 256; ++i)
1257 if (msg->cm_fields[i] != NULL) {
1258 free(msg->cm_fields[i]);
1261 msg->cm_magic = 0; /* just in case */
1267 * Pre callback function for multipart/alternative
1269 * NOTE: this differs from the standard behavior for a reason. Normally when
1270 * displaying multipart/alternative you want to show the _last_ usable
1271 * format in the message. Here we show the _first_ one, because it's
1272 * usually text/plain. Since this set of functions is designed for text
1273 * output to non-MIME-aware clients, this is the desired behavior.
1276 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1277 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1278 char *cbid, void *cbuserdata)
1282 ma = (struct ma_info *)cbuserdata;
1283 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1284 if (!strcasecmp(cbtype, "multipart/alternative")) {
1288 if (!strcasecmp(cbtype, "message/rfc822")) {
1294 * Post callback function for multipart/alternative
1296 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1297 void *content, char *cbtype, char *cbcharset, size_t length,
1298 char *encoding, char *cbid, void *cbuserdata)
1302 ma = (struct ma_info *)cbuserdata;
1303 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1304 if (!strcasecmp(cbtype, "multipart/alternative")) {
1308 if (!strcasecmp(cbtype, "message/rfc822")) {
1314 * Inline callback function for mime parser that wants to display text
1316 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1317 void *content, char *cbtype, char *cbcharset, size_t length,
1318 char *encoding, char *cbid, void *cbuserdata)
1325 ma = (struct ma_info *)cbuserdata;
1328 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1329 partnum, filename, cbtype, (long)length);
1332 * If we're in the middle of a multipart/alternative scope and
1333 * we've already printed another section, skip this one.
1335 if ( (ma->is_ma) && (ma->did_print) ) {
1336 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1341 if ( (!strcasecmp(cbtype, "text/plain"))
1342 || (IsEmptyStr(cbtype)) ) {
1345 client_write(wptr, length);
1346 if (wptr[length-1] != '\n') {
1353 if (!strcasecmp(cbtype, "text/html")) {
1354 ptr = html_to_ascii(content, length, 80, 0);
1356 client_write(ptr, wlen);
1357 if ((wlen > 0) && (ptr[wlen-1] != '\n')) {
1364 if (ma->use_fo_hooks) {
1365 if (PerformFixedOutputHooks(cbtype, content, length)) {
1366 /* above function returns nonzero if it handled the part */
1371 if (strncasecmp(cbtype, "multipart/", 10)) {
1372 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1373 partnum, filename, cbtype, (long)length);
1379 * The client is elegant and sophisticated and wants to be choosy about
1380 * MIME content types, so figure out which multipart/alternative part
1381 * we're going to send.
1383 * We use a system of weights. When we find a part that matches one of the
1384 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1385 * and then set ma->chosen_pref to that MIME type's position in our preference
1386 * list. If we then hit another match, we only replace the first match if
1387 * the preference value is lower.
1389 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1390 void *content, char *cbtype, char *cbcharset, size_t length,
1391 char *encoding, char *cbid, void *cbuserdata)
1397 ma = (struct ma_info *)cbuserdata;
1399 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1400 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1401 // I don't know if there are any side effects! Please TEST TEST TEST
1402 //if (ma->is_ma > 0) {
1404 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1405 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1406 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1407 if (i < ma->chosen_pref) {
1408 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1409 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1410 ma->chosen_pref = i;
1417 * Now that we've chosen our preferred part, output it.
1419 void output_preferred(char *name,
1433 int add_newline = 0;
1436 char *decoded = NULL;
1437 size_t bytes_decoded;
1440 ma = (struct ma_info *)cbuserdata;
1442 /* This is not the MIME part you're looking for... */
1443 if (strcasecmp(partnum, ma->chosen_part)) return;
1445 /* If the content-type of this part is in our preferred formats
1446 * list, we can simply output it verbatim.
1448 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1449 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1450 if (!strcasecmp(buf, cbtype)) {
1451 /* Yeah! Go! W00t!! */
1452 if (ma->dont_decode == 0)
1453 rc = mime_decode_now (content,
1459 break; /* Give us the chance, maybe theres another one. */
1461 if (rc == 0) text_content = (char *)content;
1463 text_content = decoded;
1464 length = bytes_decoded;
1467 if (text_content[length-1] != '\n') {
1470 cprintf("Content-type: %s", cbtype);
1471 if (!IsEmptyStr(cbcharset)) {
1472 cprintf("; charset=%s", cbcharset);
1474 cprintf("\nContent-length: %d\n",
1475 (int)(length + add_newline) );
1476 if (!IsEmptyStr(encoding)) {
1477 cprintf("Content-transfer-encoding: %s\n", encoding);
1480 cprintf("Content-transfer-encoding: 7bit\n");
1482 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1484 if (client_write(text_content, length) == -1)
1486 syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1489 if (add_newline) cprintf("\n");
1490 if (decoded != NULL) free(decoded);
1495 /* No translations required or possible: output as text/plain */
1496 cprintf("Content-type: text/plain\n\n");
1498 if (ma->dont_decode == 0)
1499 rc = mime_decode_now (content,
1505 return; /* Give us the chance, maybe theres another one. */
1507 if (rc == 0) text_content = (char *)content;
1509 text_content = decoded;
1510 length = bytes_decoded;
1513 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1514 length, encoding, cbid, cbuserdata);
1515 if (decoded != NULL) free(decoded);
1520 char desired_section[64];
1527 * Callback function for
1529 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1530 void *content, char *cbtype, char *cbcharset, size_t length,
1531 char *encoding, char *cbid, void *cbuserdata)
1533 struct encapmsg *encap;
1535 encap = (struct encapmsg *)cbuserdata;
1537 /* Only proceed if this is the desired section... */
1538 if (!strcasecmp(encap->desired_section, partnum)) {
1539 encap->msglen = length;
1540 encap->msg = malloc(length + 2);
1541 memcpy(encap->msg, content, length);
1548 * Determine whether the specified message exists in the cached_msglist
1549 * (This is a security check)
1551 int check_cached_msglist(long msgnum) {
1553 /* cases in which we skip the check */
1554 if (!CC) return om_ok; /* not a session */
1555 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1556 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1557 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1560 /* Do a binary search within the cached_msglist for the requested msgnum */
1562 int max = (CC->cached_num_msgs - 1);
1564 while (max >= min) {
1565 int middle = min + (max-min) / 2 ;
1566 if (msgnum == CC->cached_msglist[middle]) {
1569 if (msgnum > CC->cached_msglist[middle]) {
1577 return om_access_denied;
1582 * Determine whether the currently logged in session has permission to read
1583 * messages in the current room.
1585 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1586 if ( (!(CC->logged_in))
1587 && (!(CC->internal_pgm))
1588 && (!config.c_guest_logins)
1590 return(om_not_logged_in);
1597 * Get a message off disk. (returns om_* values found in msgbase.h)
1600 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1601 int mode, /* how would you like that message? */
1602 int headers_only, /* eschew the message body? */
1603 int do_proto, /* do Citadel protocol responses? */
1604 int crlf, /* Use CRLF newlines instead of LF? */
1605 char *section, /* NULL or a message/rfc822 section */
1606 int flags /* various flags; see msgbase.h */
1608 struct CtdlMessage *TheMessage = NULL;
1609 int retcode = om_no_such_msg;
1610 struct encapmsg encap;
1613 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1615 (section ? section : "<>")
1618 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1621 if (r == om_not_logged_in) {
1622 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1625 cprintf("%d An unknown error has occurred.\n", ERROR);
1632 * Check to make sure the message is actually IN this room
1634 r = check_cached_msglist(msg_num);
1635 if (r == om_access_denied) {
1636 /* Not in the cache? We get ONE shot to check it again. */
1637 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1638 r = check_cached_msglist(msg_num);
1641 syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1642 msg_num, CC->room.QRname
1645 if (r == om_access_denied) {
1646 cprintf("%d message %ld was not found in this room\n",
1647 ERROR + HIGHER_ACCESS_REQUIRED,
1656 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1657 * request that we don't even bother loading the body into memory.
1659 if (headers_only == HEADERS_FAST) {
1660 TheMessage = CtdlFetchMessage(msg_num, 0);
1663 TheMessage = CtdlFetchMessage(msg_num, 1);
1666 if (TheMessage == NULL) {
1667 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1668 ERROR + MESSAGE_NOT_FOUND, msg_num);
1669 return(om_no_such_msg);
1672 /* Here is the weird form of this command, to process only an
1673 * encapsulated message/rfc822 section.
1675 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1676 memset(&encap, 0, sizeof encap);
1677 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1678 mime_parser(TheMessage->cm_fields['M'],
1680 *extract_encapsulated_message,
1681 NULL, NULL, (void *)&encap, 0
1683 CtdlFreeMessage(TheMessage);
1687 encap.msg[encap.msglen] = 0;
1688 TheMessage = convert_internet_message(encap.msg);
1689 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1691 /* Now we let it fall through to the bottom of this
1692 * function, because TheMessage now contains the
1693 * encapsulated message instead of the top-level
1694 * message. Isn't that neat?
1699 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1700 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1701 retcode = om_no_such_msg;
1706 /* Ok, output the message now */
1707 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1708 CtdlFreeMessage(TheMessage);
1714 char *qp_encode_email_addrs(char *source)
1716 char *user, *node, *name;
1717 const char headerStr[] = "=?UTF-8?Q?";
1721 int need_to_encode = 0;
1727 long nAddrPtrMax = 50;
1732 if (source == NULL) return source;
1733 if (IsEmptyStr(source)) return source;
1735 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1737 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1738 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1739 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1742 while (!IsEmptyStr (&source[i])) {
1743 if (nColons >= nAddrPtrMax){
1746 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1747 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1748 free (AddrPtr), AddrPtr = ptr;
1750 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1751 memset(&ptr[nAddrPtrMax], 0,
1752 sizeof (long) * nAddrPtrMax);
1754 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1755 free (AddrUtf8), AddrUtf8 = ptr;
1758 if (((unsigned char) source[i] < 32) ||
1759 ((unsigned char) source[i] > 126)) {
1761 AddrUtf8[nColons] = 1;
1763 if (source[i] == '"')
1764 InQuotes = !InQuotes;
1765 if (!InQuotes && source[i] == ',') {
1766 AddrPtr[nColons] = i;
1771 if (need_to_encode == 0) {
1778 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1779 Encoded = (char*) malloc (EncodedMaxLen);
1781 for (i = 0; i < nColons; i++)
1782 source[AddrPtr[i]++] = '\0';
1783 /* TODO: if libidn, this might get larger*/
1784 user = malloc(SourceLen + 1);
1785 node = malloc(SourceLen + 1);
1786 name = malloc(SourceLen + 1);
1790 for (i = 0; i < nColons && nPtr != NULL; i++) {
1791 nmax = EncodedMaxLen - (nPtr - Encoded);
1793 process_rfc822_addr(&source[AddrPtr[i]],
1797 /* TODO: libIDN here ! */
1798 if (IsEmptyStr(name)) {
1799 n = snprintf(nPtr, nmax,
1800 (i==0)?"%s@%s" : ",%s@%s",
1804 EncodedName = rfc2047encode(name, strlen(name));
1805 n = snprintf(nPtr, nmax,
1806 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1807 EncodedName, user, node);
1812 n = snprintf(nPtr, nmax,
1813 (i==0)?"%s" : ",%s",
1814 &source[AddrPtr[i]]);
1820 ptr = (char*) malloc(EncodedMaxLen * 2);
1821 memcpy(ptr, Encoded, EncodedMaxLen);
1822 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1823 free(Encoded), Encoded = ptr;
1825 i--; /* do it once more with properly lengthened buffer */
1828 for (i = 0; i < nColons; i++)
1829 source[--AddrPtr[i]] = ',';
1840 /* If the last item in a list of recipients was truncated to a partial address,
1841 * remove it completely in order to avoid choking libSieve
1843 void sanitize_truncated_recipient(char *str)
1846 if (num_tokens(str, ',') < 2) return;
1848 int len = strlen(str);
1849 if (len < 900) return;
1850 if (len > 998) str[998] = 0;
1852 char *cptr = strrchr(str, ',');
1855 char *lptr = strchr(cptr, '<');
1856 char *rptr = strchr(cptr, '>');
1858 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1864 void OutputCtdlMsgHeaders(
1865 struct CtdlMessage *TheMessage,
1866 int do_proto) /* do Citadel protocol responses? */
1872 char display_name[256];
1874 /* begin header processing loop for Citadel message format */
1875 safestrncpy(display_name, "<unknown>", sizeof display_name);
1876 if (TheMessage->cm_fields['A']) {
1877 strcpy(buf, TheMessage->cm_fields['A']);
1878 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1879 safestrncpy(display_name, "****", sizeof display_name);
1881 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1882 safestrncpy(display_name, "anonymous", sizeof display_name);
1885 safestrncpy(display_name, buf, sizeof display_name);
1887 if ((is_room_aide())
1888 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1889 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1890 size_t tmp = strlen(display_name);
1891 snprintf(&display_name[tmp],
1892 sizeof display_name - tmp,
1897 /* Don't show Internet address for users on the
1898 * local Citadel network.
1901 if (TheMessage->cm_fields['N'] != NULL)
1902 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1903 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1907 /* Now spew the header fields in the order we like them. */
1908 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1909 for (i=0; i<n; ++i) {
1910 k = (int) allkeys[i];
1912 if ( (TheMessage->cm_fields[k] != NULL)
1913 && (msgkeys[k] != NULL) ) {
1914 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1915 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1918 if (do_proto) cprintf("%s=%s\n",
1922 else if ((k == 'F') && (suppress_f)) {
1925 /* Masquerade display name if needed */
1927 if (do_proto) cprintf("%s=%s\n",
1929 TheMessage->cm_fields[k]
1938 void OutputRFC822MsgHeaders(
1939 struct CtdlMessage *TheMessage,
1940 int flags, /* should the bessage be exported clean */
1942 char *mid, long sizeof_mid,
1943 char *suser, long sizeof_suser,
1944 char *luser, long sizeof_luser,
1945 char *fuser, long sizeof_fuser,
1946 char *snode, long sizeof_snode)
1948 char datestamp[100];
1949 int subject_found = 0;
1956 for (i = 0; i < 256; ++i) {
1957 if (TheMessage->cm_fields[i]) {
1958 mptr = mpptr = TheMessage->cm_fields[i];
1961 safestrncpy(luser, mptr, sizeof_luser);
1962 safestrncpy(suser, mptr, sizeof_suser);
1964 else if (i == 'Y') {
1965 if ((flags & QP_EADDR) != 0) {
1966 mptr = qp_encode_email_addrs(mptr);
1968 sanitize_truncated_recipient(mptr);
1969 cprintf("CC: %s%s", mptr, nl);
1971 else if (i == 'P') {
1972 cprintf("Return-Path: %s%s", mptr, nl);
1974 else if (i == 'L') {
1975 cprintf("List-ID: %s%s", mptr, nl);
1977 else if (i == 'V') {
1978 if ((flags & QP_EADDR) != 0)
1979 mptr = qp_encode_email_addrs(mptr);
1981 while ((*hptr != '\0') && isspace(*hptr))
1983 if (!IsEmptyStr(hptr))
1984 cprintf("Envelope-To: %s%s", hptr, nl);
1986 else if (i == 'U') {
1987 cprintf("Subject: %s%s", mptr, nl);
1991 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1993 safestrncpy(fuser, mptr, sizeof_fuser);
1994 /* else if (i == 'O')
1995 cprintf("X-Citadel-Room: %s%s",
1998 safestrncpy(snode, mptr, sizeof_snode);
2001 if (haschar(mptr, '@') == 0)
2003 sanitize_truncated_recipient(mptr);
2004 cprintf("To: %s@%s", mptr, config.c_fqdn);
2009 if ((flags & QP_EADDR) != 0) {
2010 mptr = qp_encode_email_addrs(mptr);
2012 sanitize_truncated_recipient(mptr);
2013 cprintf("To: %s", mptr);
2017 else if (i == 'T') {
2018 datestring(datestamp, sizeof datestamp,
2019 atol(mptr), DATESTRING_RFC822);
2020 cprintf("Date: %s%s", datestamp, nl);
2022 else if (i == 'W') {
2023 cprintf("References: ");
2024 k = num_tokens(mptr, '|');
2025 for (j=0; j<k; ++j) {
2026 extract_token(buf, mptr, j, '|', sizeof buf);
2027 cprintf("<%s>", buf);
2036 else if (i == 'K') {
2038 while ((*hptr != '\0') && isspace(*hptr))
2040 if (!IsEmptyStr(hptr))
2041 cprintf("Reply-To: %s%s", mptr, nl);
2047 if (subject_found == 0) {
2048 cprintf("Subject: (no subject)%s", nl);
2053 void Dump_RFC822HeadersBody(
2054 struct CtdlMessage *TheMessage,
2055 int headers_only, /* eschew the message body? */
2056 int flags, /* should the bessage be exported clean? */
2060 cit_uint8_t prev_ch;
2062 const char *StartOfText = StrBufNOTNULL;
2065 int nllen = strlen(nl);
2068 mptr = TheMessage->cm_fields['M'];
2072 while (*mptr != '\0') {
2073 if (*mptr == '\r') {
2080 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2082 eoh = *(mptr+1) == '\n';
2086 StartOfText = strchr(StartOfText, '\n');
2087 StartOfText = strchr(StartOfText, '\n');
2090 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2091 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2092 ((headers_only != HEADERS_NONE) &&
2093 (headers_only != HEADERS_ONLY))
2095 if (*mptr == '\n') {
2096 memcpy(&outbuf[outlen], nl, nllen);
2098 outbuf[outlen] = '\0';
2101 outbuf[outlen++] = *mptr;
2105 if (flags & ESC_DOT)
2107 if ((prev_ch == '\n') &&
2109 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2111 outbuf[outlen++] = '.';
2116 if (outlen > 1000) {
2117 if (client_write(outbuf, outlen) == -1)
2119 syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2126 client_write(outbuf, outlen);
2133 /* If the format type on disk is 1 (fixed-format), then we want
2134 * everything to be output completely literally ... regardless of
2135 * what message transfer format is in use.
2137 void DumpFormatFixed(
2138 struct CtdlMessage *TheMessage,
2139 int mode, /* how would you like that message? */
2146 int nllen = strlen (nl);
2149 mptr = TheMessage->cm_fields['M'];
2151 if (mode == MT_MIME) {
2152 cprintf("Content-type: text/plain\n\n");
2156 while (ch = *mptr++, ch > 0) {
2160 if ((buflen > 250) && (!xlline)){
2164 while ((buflen > 0) &&
2165 (!isspace(buf[buflen])))
2171 mptr -= tbuflen - buflen;
2176 /* if we reach the outer bounds of our buffer,
2177 abort without respect what whe purge. */
2180 (buflen > SIZ - nllen - 2)))
2184 memcpy (&buf[buflen], nl, nllen);
2188 if (client_write(buf, buflen) == -1)
2190 syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2202 if (!IsEmptyStr(buf))
2203 cprintf("%s%s", buf, nl);
2207 * Get a message off disk. (returns om_* values found in msgbase.h)
2209 int CtdlOutputPreLoadedMsg(
2210 struct CtdlMessage *TheMessage,
2211 int mode, /* how would you like that message? */
2212 int headers_only, /* eschew the message body? */
2213 int do_proto, /* do Citadel protocol responses? */
2214 int crlf, /* Use CRLF newlines instead of LF? */
2215 int flags /* should the bessage be exported clean? */
2219 const char *nl; /* newline string */
2222 /* Buffers needed for RFC822 translation. These are all filled
2223 * using functions that are bounds-checked, and therefore we can
2224 * make them substantially smaller than SIZ.
2232 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2233 ((TheMessage == NULL) ? "NULL" : "not null"),
2234 mode, headers_only, do_proto, crlf);
2236 strcpy(mid, "unknown");
2237 nl = (crlf ? "\r\n" : "\n");
2239 if (!is_valid_message(TheMessage)) {
2241 "ERROR: invalid preloaded message for output\n");
2243 return(om_no_such_msg);
2246 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2247 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2249 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2250 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2253 /* Are we downloading a MIME component? */
2254 if (mode == MT_DOWNLOAD) {
2255 if (TheMessage->cm_format_type != FMT_RFC822) {
2257 cprintf("%d This is not a MIME message.\n",
2258 ERROR + ILLEGAL_VALUE);
2259 } else if (CC->download_fp != NULL) {
2260 if (do_proto) cprintf(
2261 "%d You already have a download open.\n",
2262 ERROR + RESOURCE_BUSY);
2264 /* Parse the message text component */
2265 mptr = TheMessage->cm_fields['M'];
2266 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2267 /* If there's no file open by this time, the requested
2268 * section wasn't found, so print an error
2270 if (CC->download_fp == NULL) {
2271 if (do_proto) cprintf(
2272 "%d Section %s not found.\n",
2273 ERROR + FILE_NOT_FOUND,
2274 CC->download_desired_section);
2277 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2280 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2281 * in a single server operation instead of opening a download file.
2283 if (mode == MT_SPEW_SECTION) {
2284 if (TheMessage->cm_format_type != FMT_RFC822) {
2286 cprintf("%d This is not a MIME message.\n",
2287 ERROR + ILLEGAL_VALUE);
2289 /* Parse the message text component */
2292 mptr = TheMessage->cm_fields['M'];
2293 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2294 /* If section wasn't found, print an error
2297 if (do_proto) cprintf(
2298 "%d Section %s not found.\n",
2299 ERROR + FILE_NOT_FOUND,
2300 CC->download_desired_section);
2303 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2306 /* now for the user-mode message reading loops */
2307 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2309 /* Does the caller want to skip the headers? */
2310 if (headers_only == HEADERS_NONE) goto START_TEXT;
2312 /* Tell the client which format type we're using. */
2313 if ( (mode == MT_CITADEL) && (do_proto) ) {
2314 cprintf("type=%d\n", TheMessage->cm_format_type);
2317 /* nhdr=yes means that we're only displaying headers, no body */
2318 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2319 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2322 cprintf("nhdr=yes\n");
2325 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2326 OutputCtdlMsgHeaders(TheMessage, do_proto);
2329 /* begin header processing loop for RFC822 transfer format */
2333 strcpy(snode, NODENAME);
2334 if (mode == MT_RFC822)
2335 OutputRFC822MsgHeaders(
2340 suser, sizeof(suser),
2341 luser, sizeof(luser),
2342 fuser, sizeof(fuser),
2343 snode, sizeof(snode)
2347 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2348 suser[i] = tolower(suser[i]);
2349 if (!isalnum(suser[i])) suser[i]='_';
2352 if (mode == MT_RFC822) {
2353 if (!strcasecmp(snode, NODENAME)) {
2354 safestrncpy(snode, FQDN, sizeof snode);
2357 /* Construct a fun message id */
2358 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2359 if (strchr(mid, '@')==NULL) {
2360 cprintf("@%s", snode);
2364 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2365 cprintf("From: \"----\" <x@x.org>%s", nl);
2367 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2368 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2370 else if (!IsEmptyStr(fuser)) {
2371 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2374 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2377 /* Blank line signifying RFC822 end-of-headers */
2378 if (TheMessage->cm_format_type != FMT_RFC822) {
2383 /* end header processing loop ... at this point, we're in the text */
2385 if (headers_only == HEADERS_FAST) goto DONE;
2387 /* Tell the client about the MIME parts in this message */
2388 if (TheMessage->cm_format_type == FMT_RFC822) {
2389 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2390 mptr = TheMessage->cm_fields['M'];
2391 memset(&ma, 0, sizeof(struct ma_info));
2392 mime_parser(mptr, NULL,
2393 (do_proto ? *list_this_part : NULL),
2394 (do_proto ? *list_this_pref : NULL),
2395 (do_proto ? *list_this_suff : NULL),
2398 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2399 Dump_RFC822HeadersBody(
2408 if (headers_only == HEADERS_ONLY) {
2412 /* signify start of msg text */
2413 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2414 if (do_proto) cprintf("text\n");
2417 if (TheMessage->cm_format_type == FMT_FIXED)
2420 mode, /* how would you like that message? */
2423 /* If the message on disk is format 0 (Citadel vari-format), we
2424 * output using the formatter at 80 columns. This is the final output
2425 * form if the transfer format is RFC822, but if the transfer format
2426 * is Citadel proprietary, it'll still work, because the indentation
2427 * for new paragraphs is correct and the client will reformat the
2428 * message to the reader's screen width.
2430 if (TheMessage->cm_format_type == FMT_CITADEL) {
2431 mptr = TheMessage->cm_fields['M'];
2433 if (mode == MT_MIME) {
2434 cprintf("Content-type: text/x-citadel-variformat\n\n");
2439 /* If the message on disk is format 4 (MIME), we've gotta hand it
2440 * off to the MIME parser. The client has already been told that
2441 * this message is format 1 (fixed format), so the callback function
2442 * we use will display those parts as-is.
2444 if (TheMessage->cm_format_type == FMT_RFC822) {
2445 memset(&ma, 0, sizeof(struct ma_info));
2447 if (mode == MT_MIME) {
2448 ma.use_fo_hooks = 0;
2449 strcpy(ma.chosen_part, "1");
2450 ma.chosen_pref = 9999;
2451 ma.dont_decode = CC->msg4_dont_decode;
2452 mime_parser(mptr, NULL,
2453 *choose_preferred, *fixed_output_pre,
2454 *fixed_output_post, (void *)&ma, 1);
2455 mime_parser(mptr, NULL,
2456 *output_preferred, NULL, NULL, (void *)&ma, 1);
2459 ma.use_fo_hooks = 1;
2460 mime_parser(mptr, NULL,
2461 *fixed_output, *fixed_output_pre,
2462 *fixed_output_post, (void *)&ma, 0);
2467 DONE: /* now we're done */
2468 if (do_proto) cprintf("000\n");
2474 * display a message (mode 0 - Citadel proprietary)
2476 void cmd_msg0(char *cmdbuf)
2479 int headers_only = HEADERS_ALL;
2481 msgid = extract_long(cmdbuf, 0);
2482 headers_only = extract_int(cmdbuf, 1);
2484 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2490 * display a message (mode 2 - RFC822)
2492 void cmd_msg2(char *cmdbuf)
2495 int headers_only = HEADERS_ALL;
2497 msgid = extract_long(cmdbuf, 0);
2498 headers_only = extract_int(cmdbuf, 1);
2500 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2506 * display a message (mode 3 - IGnet raw format - internal programs only)
2508 void cmd_msg3(char *cmdbuf)
2511 struct CtdlMessage *msg = NULL;
2514 if (CC->internal_pgm == 0) {
2515 cprintf("%d This command is for internal programs only.\n",
2516 ERROR + HIGHER_ACCESS_REQUIRED);
2520 msgnum = extract_long(cmdbuf, 0);
2521 msg = CtdlFetchMessage(msgnum, 1);
2523 cprintf("%d Message %ld not found.\n",
2524 ERROR + MESSAGE_NOT_FOUND, msgnum);
2528 serialize_message(&smr, msg);
2529 CtdlFreeMessage(msg);
2532 cprintf("%d Unable to serialize message\n",
2533 ERROR + INTERNAL_ERROR);
2537 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2538 client_write((char *)smr.ser, (int)smr.len);
2545 * Display a message using MIME content types
2547 void cmd_msg4(char *cmdbuf)
2552 msgid = extract_long(cmdbuf, 0);
2553 extract_token(section, cmdbuf, 1, '|', sizeof section);
2554 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2560 * Client tells us its preferred message format(s)
2562 void cmd_msgp(char *cmdbuf)
2564 if (!strcasecmp(cmdbuf, "dont_decode")) {
2565 CC->msg4_dont_decode = 1;
2566 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2569 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2570 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2576 * Open a component of a MIME message as a download file
2578 void cmd_opna(char *cmdbuf)
2581 char desired_section[128];
2583 msgid = extract_long(cmdbuf, 0);
2584 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2585 safestrncpy(CC->download_desired_section, desired_section,
2586 sizeof CC->download_desired_section);
2587 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2592 * Open a component of a MIME message and transmit it all at once
2594 void cmd_dlat(char *cmdbuf)
2597 char desired_section[128];
2599 msgid = extract_long(cmdbuf, 0);
2600 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2601 safestrncpy(CC->download_desired_section, desired_section,
2602 sizeof CC->download_desired_section);
2603 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2608 * Save one or more message pointers into a specified room
2609 * (Returns 0 for success, nonzero for failure)
2610 * roomname may be NULL to use the current room
2612 * Note that the 'supplied_msg' field may be set to NULL, in which case
2613 * the message will be fetched from disk, by number, if we need to perform
2614 * replication checks. This adds an additional database read, so if the
2615 * caller already has the message in memory then it should be supplied. (Obviously
2616 * this mode of operation only works if we're saving a single message.)
2618 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2619 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2622 char hold_rm[ROOMNAMELEN];
2623 struct cdbdata *cdbfr;
2626 long highest_msg = 0L;
2629 struct CtdlMessage *msg = NULL;
2631 long *msgs_to_be_merged = NULL;
2632 int num_msgs_to_be_merged = 0;
2635 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2636 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2639 strcpy(hold_rm, CC->room.QRname);
2642 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2643 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2644 if (num_newmsgs > 1) supplied_msg = NULL;
2646 /* Now the regular stuff */
2647 if (CtdlGetRoomLock(&CC->room,
2648 ((roomname != NULL) ? roomname : CC->room.QRname) )
2650 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2651 return(ERROR + ROOM_NOT_FOUND);
2655 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2656 num_msgs_to_be_merged = 0;
2659 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2660 if (cdbfr == NULL) {
2664 msglist = (long *) cdbfr->ptr;
2665 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2666 num_msgs = cdbfr->len / sizeof(long);
2671 /* Create a list of msgid's which were supplied by the caller, but do
2672 * not already exist in the target room. It is absolutely taboo to
2673 * have more than one reference to the same message in a room.
2675 for (i=0; i<num_newmsgs; ++i) {
2677 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2678 if (msglist[j] == newmsgidlist[i]) {
2683 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2687 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2690 * Now merge the new messages
2692 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2693 if (msglist == NULL) {
2694 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2696 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2697 num_msgs += num_msgs_to_be_merged;
2699 /* Sort the message list, so all the msgid's are in order */
2700 num_msgs = sort_msglist(msglist, num_msgs);
2702 /* Determine the highest message number */
2703 highest_msg = msglist[num_msgs - 1];
2705 /* Write it back to disk. */
2706 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2707 msglist, (int)(num_msgs * sizeof(long)));
2709 /* Free up the memory we used. */
2712 /* Update the highest-message pointer and unlock the room. */
2713 CC->room.QRhighest = highest_msg;
2714 CtdlPutRoomLock(&CC->room);
2716 /* Perform replication checks if necessary */
2717 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2718 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2720 for (i=0; i<num_msgs_to_be_merged; ++i) {
2721 msgid = msgs_to_be_merged[i];
2723 if (supplied_msg != NULL) {
2727 msg = CtdlFetchMessage(msgid, 0);
2731 ReplicationChecks(msg);
2733 /* If the message has an Exclusive ID, index that... */
2734 if (msg->cm_fields['E'] != NULL) {
2735 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2738 /* Free up the memory we may have allocated */
2739 if (msg != supplied_msg) {
2740 CtdlFreeMessage(msg);
2748 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2751 /* Submit this room for processing by hooks */
2752 PerformRoomHooks(&CC->room);
2754 /* Go back to the room we were in before we wandered here... */
2755 CtdlGetRoom(&CC->room, hold_rm);
2757 /* Bump the reference count for all messages which were merged */
2758 if (!suppress_refcount_adj) {
2759 for (i=0; i<num_msgs_to_be_merged; ++i) {
2760 AdjRefCount(msgs_to_be_merged[i], +1);
2764 /* Free up memory... */
2765 if (msgs_to_be_merged != NULL) {
2766 free(msgs_to_be_merged);
2769 /* Return success. */
2775 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2778 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2779 int do_repl_check, struct CtdlMessage *supplied_msg)
2781 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2788 * Message base operation to save a new message to the message store
2789 * (returns new message number)
2791 * This is the back end for CtdlSubmitMsg() and should not be directly
2792 * called by server-side modules.
2795 long send_message(struct CtdlMessage *msg) {
2803 /* Get a new message number */
2804 newmsgid = get_new_message_number();
2805 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2806 (long unsigned int) time(NULL),
2807 (long unsigned int) newmsgid,
2811 /* Generate an ID if we don't have one already */
2812 if (msg->cm_fields['I']==NULL) {
2813 msg->cm_fields['I'] = strdup(msgidbuf);
2816 /* If the message is big, set its body aside for storage elsewhere */
2817 if (msg->cm_fields['M'] != NULL) {
2818 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2820 holdM = msg->cm_fields['M'];
2821 msg->cm_fields['M'] = NULL;
2825 /* Serialize our data structure for storage in the database */
2826 serialize_message(&smr, msg);
2829 msg->cm_fields['M'] = holdM;
2833 cprintf("%d Unable to serialize message\n",
2834 ERROR + INTERNAL_ERROR);
2838 /* Write our little bundle of joy into the message base */
2839 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2840 smr.ser, smr.len) < 0) {
2841 syslog(LOG_ERR, "Can't store message\n");
2845 cdb_store(CDB_BIGMSGS,
2855 /* Free the memory we used for the serialized message */
2858 /* Return the *local* message ID to the caller
2859 * (even if we're storing an incoming network message)
2867 * Serialize a struct CtdlMessage into the format used on disk and network.
2869 * This function loads up a "struct ser_ret" (defined in server.h) which
2870 * contains the length of the serialized message and a pointer to the
2871 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2873 void serialize_message(struct ser_ret *ret, /* return values */
2874 struct CtdlMessage *msg) /* unserialized msg */
2876 size_t wlen, fieldlen;
2878 static char *forder = FORDER;
2881 * Check for valid message format
2883 if (is_valid_message(msg) == 0) {
2884 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2891 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2892 ret->len = ret->len +
2893 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2895 ret->ser = malloc(ret->len);
2896 if (ret->ser == NULL) {
2897 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2898 (long)ret->len, strerror(errno));
2905 ret->ser[1] = msg->cm_anon_type;
2906 ret->ser[2] = msg->cm_format_type;
2909 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2910 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2911 ret->ser[wlen++] = (char)forder[i];
2912 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2913 wlen = wlen + fieldlen + 1;
2915 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2916 (long)ret->len, (long)wlen);
2923 * Serialize a struct CtdlMessage into the format used on disk and network.
2925 * This function loads up a "struct ser_ret" (defined in server.h) which
2926 * contains the length of the serialized message and a pointer to the
2927 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2929 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2930 long Siz) /* how many chars ? */
2933 static char *forder = FORDER;
2937 * Check for valid message format
2939 if (is_valid_message(msg) == 0) {
2940 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2944 buf = (char*) malloc (Siz + 1);
2946 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2947 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2948 msg->cm_fields[(int)forder[i]]);
2949 if (client_write (buf, strlen(buf)) == -1)
2951 syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
2962 * Check to see if any messages already exist in the current room which
2963 * carry the same Exclusive ID as this one. If any are found, delete them.
2965 void ReplicationChecks(struct CtdlMessage *msg) {
2966 long old_msgnum = (-1L);
2968 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2970 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2973 /* No exclusive id? Don't do anything. */
2974 if (msg == NULL) return;
2975 if (msg->cm_fields['E'] == NULL) return;
2976 if (IsEmptyStr(msg->cm_fields['E'])) return;
2977 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2978 msg->cm_fields['E'], CC->room.QRname);*/
2980 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2981 if (old_msgnum > 0L) {
2982 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2983 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2990 * Save a message to disk and submit it into the delivery system.
2992 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2993 struct recptypes *recps, /* recipients (if mail) */
2994 const char *force, /* force a particular room? */
2995 int flags /* should the message be exported clean? */
2998 char submit_filename[128];
2999 char generated_timestamp[32];
3000 char hold_rm[ROOMNAMELEN];
3001 char actual_rm[ROOMNAMELEN];
3002 char force_room[ROOMNAMELEN];
3003 char content_type[SIZ]; /* We have to learn this */
3004 char recipient[SIZ];
3006 const char *mptr = NULL;
3007 struct ctdluser userbuf;
3009 struct MetaData smi;
3010 FILE *network_fp = NULL;
3011 static int seqnum = 1;
3012 struct CtdlMessage *imsg = NULL;
3014 size_t instr_alloc = 0;
3016 char *hold_R, *hold_D;
3017 char *collected_addresses = NULL;
3018 struct addresses_to_be_filed *aptr = NULL;
3019 StrBuf *saved_rfc822_version = NULL;
3020 int qualified_for_journaling = 0;
3021 CitContext *CCC = MyContext();
3022 char bounce_to[1024] = "";
3026 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3027 if (is_valid_message(msg) == 0) return(-1); /* self check */
3029 /* If this message has no timestamp, we take the liberty of
3030 * giving it one, right now.
3032 if (msg->cm_fields['T'] == NULL) {
3033 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3034 msg->cm_fields['T'] = strdup(generated_timestamp);
3037 /* If this message has no path, we generate one.
3039 if (msg->cm_fields['P'] == NULL) {
3040 if (msg->cm_fields['A'] != NULL) {
3041 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3042 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3043 if (isspace(msg->cm_fields['P'][a])) {
3044 msg->cm_fields['P'][a] = ' ';
3049 msg->cm_fields['P'] = strdup("unknown");
3053 if (force == NULL) {
3054 strcpy(force_room, "");
3057 strcpy(force_room, force);
3060 /* Learn about what's inside, because it's what's inside that counts */
3061 if (msg->cm_fields['M'] == NULL) {
3062 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3066 switch (msg->cm_format_type) {
3068 strcpy(content_type, "text/x-citadel-variformat");
3071 strcpy(content_type, "text/plain");
3074 strcpy(content_type, "text/plain");
3075 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3078 safestrncpy(content_type, &mptr[13], sizeof content_type);
3079 striplt(content_type);
3080 aptr = content_type;
3081 while (!IsEmptyStr(aptr)) {
3093 /* Goto the correct room */
3094 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3095 strcpy(hold_rm, CCC->room.QRname);
3096 strcpy(actual_rm, CCC->room.QRname);
3097 if (recps != NULL) {
3098 strcpy(actual_rm, SENTITEMS);
3101 /* If the user is a twit, move to the twit room for posting */
3103 if (CCC->user.axlevel == AxProbU) {
3104 strcpy(hold_rm, actual_rm);
3105 strcpy(actual_rm, config.c_twitroom);
3106 syslog(LOG_DEBUG, "Diverting to twit room\n");
3110 /* ...or if this message is destined for Aide> then go there. */
3111 if (!IsEmptyStr(force_room)) {
3112 strcpy(actual_rm, force_room);
3115 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3116 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3117 /* CtdlGetRoom(&CCC->room, actual_rm); */
3118 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3122 * If this message has no O (room) field, generate one.
3124 if (msg->cm_fields['O'] == NULL) {
3125 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3128 /* Perform "before save" hooks (aborting if any return nonzero) */
3129 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3130 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3133 * If this message has an Exclusive ID, and the room is replication
3134 * checking enabled, then do replication checks.
3136 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3137 ReplicationChecks(msg);
3140 /* Save it to disk */
3141 syslog(LOG_DEBUG, "Saving to disk\n");
3142 newmsgid = send_message(msg);
3143 if (newmsgid <= 0L) return(-5);
3145 /* Write a supplemental message info record. This doesn't have to
3146 * be a critical section because nobody else knows about this message
3149 syslog(LOG_DEBUG, "Creating MetaData record\n");
3150 memset(&smi, 0, sizeof(struct MetaData));
3151 smi.meta_msgnum = newmsgid;
3152 smi.meta_refcount = 0;
3153 safestrncpy(smi.meta_content_type, content_type,
3154 sizeof smi.meta_content_type);
3157 * Measure how big this message will be when rendered as RFC822.
3158 * We do this for two reasons:
3159 * 1. We need the RFC822 length for the new metadata record, so the
3160 * POP and IMAP services don't have to calculate message lengths
3161 * while the user is waiting (multiplied by potentially hundreds
3162 * or thousands of messages).
3163 * 2. If journaling is enabled, we will need an RFC822 version of the
3164 * message to attach to the journalized copy.
3166 if (CCC->redirect_buffer != NULL) {
3167 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3170 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3171 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3172 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3173 saved_rfc822_version = CCC->redirect_buffer;
3174 CCC->redirect_buffer = NULL;
3178 /* Now figure out where to store the pointers */
3179 syslog(LOG_DEBUG, "Storing pointers\n");
3181 /* If this is being done by the networker delivering a private
3182 * message, we want to BYPASS saving the sender's copy (because there
3183 * is no local sender; it would otherwise go to the Trashcan).
3185 if ((!CCC->internal_pgm) || (recps == NULL)) {
3186 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3187 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3188 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3192 /* For internet mail, drop a copy in the outbound queue room */
3193 if ((recps != NULL) && (recps->num_internet > 0)) {
3194 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3197 /* If other rooms are specified, drop them there too. */
3198 if ((recps != NULL) && (recps->num_room > 0))
3199 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3200 extract_token(recipient, recps->recp_room, i,
3201 '|', sizeof recipient);
3202 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3203 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3206 /* Bump this user's messages posted counter. */
3207 syslog(LOG_DEBUG, "Updating user\n");
3208 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3209 CCC->user.posted = CCC->user.posted + 1;
3210 CtdlPutUserLock(&CCC->user);
3212 /* Decide where bounces need to be delivered */
3213 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3214 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3216 else if (CCC->logged_in) {
3217 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3220 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3223 /* If this is private, local mail, make a copy in the
3224 * recipient's mailbox and bump the reference count.
3226 if ((recps != NULL) && (recps->num_local > 0))
3227 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3228 extract_token(recipient, recps->recp_local, i,
3229 '|', sizeof recipient);
3230 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3232 if (CtdlGetUser(&userbuf, recipient) == 0) {
3233 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3234 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3235 CtdlBumpNewMailCounter(userbuf.usernum);
3236 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3237 /* Generate a instruction message for the Funambol notification
3238 * server, in the same style as the SMTP queue
3241 instr = malloc(instr_alloc);
3242 snprintf(instr, instr_alloc,
3243 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3245 SPOOLMIME, newmsgid, (long)time(NULL),
3249 imsg = malloc(sizeof(struct CtdlMessage));
3250 memset(imsg, 0, sizeof(struct CtdlMessage));
3251 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3252 imsg->cm_anon_type = MES_NORMAL;
3253 imsg->cm_format_type = FMT_RFC822;
3254 imsg->cm_fields['A'] = strdup("Citadel");
3255 imsg->cm_fields['J'] = strdup("do not journal");
3256 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3257 imsg->cm_fields['2'] = strdup(recipient);
3258 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3259 CtdlFreeMessage(imsg);
3263 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3264 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3268 /* Perform "after save" hooks */
3269 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3270 if (msg->cm_fields['3'] != NULL) free(msg->cm_fields['3']);
3271 msg->cm_fields['3'] = malloc(20);
3272 snprintf(msg->cm_fields['3'], 20, "%ld", newmsgid);
3273 PerformMessageHooks(msg, EVT_AFTERSAVE);
3274 free(msg->cm_fields['3']);
3275 msg->cm_fields['3'] = NULL;
3277 /* For IGnet mail, we have to save a new copy into the spooler for
3278 * each recipient, with the R and D fields set to the recipient and
3279 * destination-node. This has two ugly side effects: all other
3280 * recipients end up being unlisted in this recipient's copy of the
3281 * message, and it has to deliver multiple messages to the same
3282 * node. We'll revisit this again in a year or so when everyone has
3283 * a network spool receiver that can handle the new style messages.
3285 if ((recps != NULL) && (recps->num_ignet > 0))
3286 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3287 extract_token(recipient, recps->recp_ignet, i,
3288 '|', sizeof recipient);
3290 hold_R = msg->cm_fields['R'];
3291 hold_D = msg->cm_fields['D'];
3292 msg->cm_fields['R'] = malloc(SIZ);
3293 msg->cm_fields['D'] = malloc(128);
3294 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3295 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3297 serialize_message(&smr, msg);
3299 snprintf(submit_filename, sizeof submit_filename,
3300 "%s/netmail.%04lx.%04x.%04x",
3302 (long) getpid(), CCC->cs_pid, ++seqnum);
3303 network_fp = fopen(submit_filename, "wb+");
3304 if (network_fp != NULL) {
3305 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3307 syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n",
3315 free(msg->cm_fields['R']);
3316 free(msg->cm_fields['D']);
3317 msg->cm_fields['R'] = hold_R;
3318 msg->cm_fields['D'] = hold_D;
3321 /* Go back to the room we started from */
3322 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3323 if (strcasecmp(hold_rm, CCC->room.QRname))
3324 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3326 /* For internet mail, generate delivery instructions.
3327 * Yes, this is recursive. Deal with it. Infinite recursion does
3328 * not happen because the delivery instructions message does not
3329 * contain a recipient.
3331 if ((recps != NULL) && (recps->num_internet > 0)) {
3332 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3334 instr = malloc(instr_alloc);
3335 snprintf(instr, instr_alloc,
3336 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3338 SPOOLMIME, newmsgid, (long)time(NULL),
3342 if (recps->envelope_from != NULL) {
3343 tmp = strlen(instr);
3344 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3347 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3348 tmp = strlen(instr);
3349 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3350 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3351 instr_alloc = instr_alloc * 2;
3352 instr = realloc(instr, instr_alloc);
3354 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3357 imsg = malloc(sizeof(struct CtdlMessage));
3358 memset(imsg, 0, sizeof(struct CtdlMessage));
3359 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3360 imsg->cm_anon_type = MES_NORMAL;
3361 imsg->cm_format_type = FMT_RFC822;
3362 imsg->cm_fields['A'] = strdup("Citadel");
3363 imsg->cm_fields['J'] = strdup("do not journal");
3364 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3365 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3366 CtdlFreeMessage(imsg);
3370 * Any addresses to harvest for someone's address book?
3372 if ( (CCC->logged_in) && (recps != NULL) ) {
3373 collected_addresses = harvest_collected_addresses(msg);
3376 if (collected_addresses != NULL) {
3377 aptr = (struct addresses_to_be_filed *)
3378 malloc(sizeof(struct addresses_to_be_filed));
3379 CtdlMailboxName(actual_rm, sizeof actual_rm,
3380 &CCC->user, USERCONTACTSROOM);
3381 aptr->roomname = strdup(actual_rm);
3382 aptr->collected_addresses = collected_addresses;
3383 begin_critical_section(S_ATBF);
3386 end_critical_section(S_ATBF);
3390 * Determine whether this message qualifies for journaling.
3392 if (msg->cm_fields['J'] != NULL) {
3393 qualified_for_journaling = 0;
3396 if (recps == NULL) {
3397 qualified_for_journaling = config.c_journal_pubmsgs;
3399 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3400 qualified_for_journaling = config.c_journal_email;
3403 qualified_for_journaling = config.c_journal_pubmsgs;
3408 * Do we have to perform journaling? If so, hand off the saved
3409 * RFC822 version will be handed off to the journaler for background
3410 * submit. Otherwise, we have to free the memory ourselves.
3412 if (saved_rfc822_version != NULL) {
3413 if (qualified_for_journaling) {
3414 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3417 FreeStrBuf(&saved_rfc822_version);
3427 void aide_message (char *text, char *subject)
3429 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3434 * Convenience function for generating small administrative messages.
3436 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3437 int format_type, const char *subject)
3439 struct CtdlMessage *msg;
3440 struct recptypes *recp = NULL;
3442 msg = malloc(sizeof(struct CtdlMessage));
3443 memset(msg, 0, sizeof(struct CtdlMessage));
3444 msg->cm_magic = CTDLMESSAGE_MAGIC;
3445 msg->cm_anon_type = MES_NORMAL;
3446 msg->cm_format_type = format_type;
3449 msg->cm_fields['A'] = strdup(from);
3451 else if (fromaddr != NULL) {
3452 msg->cm_fields['A'] = strdup(fromaddr);
3453 if (strchr(msg->cm_fields['A'], '@')) {
3454 *strchr(msg->cm_fields['A'], '@') = 0;
3458 msg->cm_fields['A'] = strdup("Citadel");
3461 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3462 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3463 msg->cm_fields['N'] = strdup(NODENAME);
3465 msg->cm_fields['R'] = strdup(to);
3466 recp = validate_recipients(to, NULL, 0);
3468 if (subject != NULL) {
3469 msg->cm_fields['U'] = strdup(subject);
3471 msg->cm_fields['M'] = strdup(text);
3473 CtdlSubmitMsg(msg, recp, room, 0);
3474 CtdlFreeMessage(msg);
3475 if (recp != NULL) free_recipients(recp);
3481 * Back end function used by CtdlMakeMessage() and similar functions
3483 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3485 size_t maxlen, /* maximum message length */
3486 char *exist, /* if non-null, append to it;
3487 exist is ALWAYS freed */
3488 int crlf, /* CRLF newlines instead of LF */
3489 int *sock /* socket handle or 0 for this session's client socket */
3498 LineBuf = NewStrBufPlain(NULL, SIZ);
3499 if (exist == NULL) {
3500 Message = NewStrBufPlain(NULL, 4 * SIZ);
3503 Message = NewStrBufPlain(exist, -1);
3507 /* Do we need to change leading ".." to "." for SMTP escaping? */
3508 if ((tlen == 1) && (*terminator == '.')) {
3512 /* read in the lines of message text one by one */
3515 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3520 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3522 if ((StrLength(LineBuf) == tlen) &&
3523 (!strcmp(ChrPtr(LineBuf), terminator)))
3526 if ( (!flushing) && (!finished) ) {
3528 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3531 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3534 /* Unescape SMTP-style input of two dots at the beginning of the line */
3536 (StrLength(LineBuf) == 2) &&
3537 (!strcmp(ChrPtr(LineBuf), "..")))
3539 StrBufCutLeft(LineBuf, 1);
3542 StrBufAppendBuf(Message, LineBuf, 0);
3545 /* if we've hit the max msg length, flush the rest */
3546 if (StrLength(Message) >= maxlen) flushing = 1;
3548 } while (!finished);
3549 FreeStrBuf(&LineBuf);
3553 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3557 FreeStrBuf(&(*Msg)->MsgBuf);
3563 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3565 size_t maxlen, /* maximum message length */
3566 size_t expectlen, /* if we expect a message, how long should it be? */
3567 char *exist, /* if non-null, append to it;
3568 exist is ALWAYS freed */
3569 long eLen, /* length of exist */
3570 int crlf /* CRLF newlines instead of LF */
3573 ReadAsyncMsg *NewMsg;
3575 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3576 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3578 if (exist == NULL) {
3581 if (expectlen == 0) {
3585 len = expectlen + 10;
3587 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3590 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3593 /* Do we need to change leading ".." to "." for SMTP escaping? */
3594 if ((tlen == 1) && (*terminator == '.')) {
3598 NewMsg->terminator = terminator;
3599 NewMsg->tlen = tlen;
3601 NewMsg->maxlen = maxlen;
3603 NewMsg->crlf = crlf;
3609 * Back end function used by CtdlMakeMessage() and similar functions
3611 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3613 ReadAsyncMsg *ReadMsg;
3614 int MsgFinished = 0;
3615 eReadState Finished = eMustReadMore;
3620 const char *pch = ChrPtr(IO->SendBuf.Buf);
3621 const char *pchh = IO->SendBuf.ReadWritePointer;
3627 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3628 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3629 ((CitContext*)(IO->CitContext))->ServiceName,
3632 fd = fopen(fn, "a+");
3635 ReadMsg = IO->ReadMsg;
3637 /* read in the lines of message text one by one */
3639 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3642 case eMustReadMore: /// read new from socket...
3644 if (IO->RecvBuf.ReadWritePointer != NULL) {
3645 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3646 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3648 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3652 fprintf(fd, "BufferEmpty! \n");
3658 case eBufferNotEmpty: /* shouldn't happen... */
3659 case eReadSuccess: /// done for now...
3661 case eReadFail: /// WHUT?
3667 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3668 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3671 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3674 else if (!ReadMsg->flushing) {
3677 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3680 /* Unescape SMTP-style input of two dots at the beginning of the line */
3681 if ((ReadMsg->dodot) &&
3682 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3683 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3686 fprintf(fd, "UnEscaped!\n");
3688 StrBufCutLeft(IO->IOBuf, 1);
3691 if (ReadMsg->crlf) {
3692 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3695 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3698 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3701 /* if we've hit the max msg length, flush the rest */
3702 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3704 } while (!MsgFinished);
3707 fprintf(fd, "Done with reading; %s.\n, ",
3708 (MsgFinished)?"Message Finished": "FAILED");
3712 return eReadSuccess;
3719 * Back end function used by CtdlMakeMessage() and similar functions
3721 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3723 size_t maxlen, /* maximum message length */
3724 char *exist, /* if non-null, append to it;
3725 exist is ALWAYS freed */
3726 int crlf, /* CRLF newlines instead of LF */
3727 int *sock /* socket handle or 0 for this session's client socket */
3732 Message = CtdlReadMessageBodyBuf(terminator,
3738 if (Message == NULL)
3741 return SmashStrBuf(&Message);
3746 * Build a binary message to be saved on disk.
3747 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3748 * will become part of the message. This means you are no longer
3749 * responsible for managing that memory -- it will be freed along with
3750 * the rest of the fields when CtdlFreeMessage() is called.)
3753 struct CtdlMessage *CtdlMakeMessage(
3754 struct ctdluser *author, /* author's user structure */
3755 char *recipient, /* NULL if it's not mail */
3756 char *recp_cc, /* NULL if it's not mail */
3757 char *room, /* room where it's going */
3758 int type, /* see MES_ types in header file */
3759 int format_type, /* variformat, plain text, MIME... */
3760 char *fake_name, /* who we're masquerading as */
3761 char *my_email, /* which of my email addresses to use (empty is ok) */
3762 char *subject, /* Subject (optional) */
3763 char *supplied_euid, /* ...or NULL if this is irrelevant */
3764 char *preformatted_text, /* ...or NULL to read text from client */
3765 char *references /* Thread references */
3767 char dest_node[256];
3769 struct CtdlMessage *msg;
3771 StrBuf *FakeEncAuthor = NULL;
3773 msg = malloc(sizeof(struct CtdlMessage));
3774 memset(msg, 0, sizeof(struct CtdlMessage));
3775 msg->cm_magic = CTDLMESSAGE_MAGIC;
3776 msg->cm_anon_type = type;
3777 msg->cm_format_type = format_type;
3779 /* Don't confuse the poor folks if it's not routed mail. */
3780 strcpy(dest_node, "");
3782 if (recipient != NULL) striplt(recipient);
3783 if (recp_cc != NULL) striplt(recp_cc);
3785 /* Path or Return-Path */
3786 if (my_email == NULL) my_email = "";
3788 if (!IsEmptyStr(my_email)) {
3789 msg->cm_fields['P'] = strdup(my_email);
3792 snprintf(buf, sizeof buf, "%s", author->fullname);
3793 msg->cm_fields['P'] = strdup(buf);
3795 convert_spaces_to_underscores(msg->cm_fields['P']);
3797 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3798 msg->cm_fields['T'] = strdup(buf);
3800 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3801 FakeAuthor = NewStrBufPlain (fake_name, -1);
3804 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3806 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3807 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3808 FreeStrBuf(&FakeAuthor);
3810 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3811 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3814 msg->cm_fields['O'] = strdup(CC->room.QRname);
3817 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3818 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3820 if ((recipient != NULL) && (recipient[0] != 0)) {
3821 msg->cm_fields['R'] = strdup(recipient);
3823 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3824 msg->cm_fields['Y'] = strdup(recp_cc);
3826 if (dest_node[0] != 0) {
3827 msg->cm_fields['D'] = strdup(dest_node);
3830 if (!IsEmptyStr(my_email)) {
3831 msg->cm_fields['F'] = strdup(my_email);
3833 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3834 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3837 if (subject != NULL) {
3840 length = strlen(subject);
3846 while ((subject[i] != '\0') &&
3847 (IsAscii = isascii(subject[i]) != 0 ))
3850 msg->cm_fields['U'] = strdup(subject);
3851 else /* ok, we've got utf8 in the string. */
3853 msg->cm_fields['U'] = rfc2047encode(subject, length);
3859 if (supplied_euid != NULL) {
3860 msg->cm_fields['E'] = strdup(supplied_euid);
3863 if ((references != NULL) && (!IsEmptyStr(references))) {
3864 if (msg->cm_fields['W'] != NULL)
3865 free(msg->cm_fields['W']);
3866 msg->cm_fields['W'] = strdup(references);
3869 if (preformatted_text != NULL) {
3870 msg->cm_fields['M'] = preformatted_text;
3873 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3879 extern int netconfig_check_roomaccess(
3882 const char* RemoteIdentifier); /* TODO: find a smarter way */
3885 * Check to see whether we have permission to post a message in the current
3886 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3887 * returns 0 on success.
3889 int CtdlDoIHavePermissionToPostInThisRoom(
3892 const char* RemoteIdentifier,
3898 if (!(CC->logged_in) &&
3899 (PostPublic == POST_LOGGED_IN)) {
3900 snprintf(errmsgbuf, n, "Not logged in.");
3901 return (ERROR + NOT_LOGGED_IN);
3903 else if (PostPublic == CHECK_EXISTANCE) {
3904 return (0); // We're Evaling whether a recipient exists
3906 else if (!(CC->logged_in)) {
3908 if ((CC->room.QRflags & QR_READONLY)) {
3909 snprintf(errmsgbuf, n, "Not logged in.");
3910 return (ERROR + NOT_LOGGED_IN);
3912 if (CC->room.QRflags2 & QR2_MODERATED) {
3913 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3914 return (ERROR + NOT_LOGGED_IN);
3916 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3918 return netconfig_check_roomaccess(errmsgbuf, n, RemoteIdentifier);
3924 if ((CC->user.axlevel < AxProbU)
3925 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3926 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3927 return (ERROR + HIGHER_ACCESS_REQUIRED);
3930 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3932 if (ra & UA_POSTALLOWED) {
3933 strcpy(errmsgbuf, "OK to post or reply here");
3937 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
3939 * To be thorough, we ought to check to see if the message they are
3940 * replying to is actually a valid one in this room, but unless this
3941 * actually becomes a problem we'll go with high performance instead.
3943 strcpy(errmsgbuf, "OK to reply here");
3947 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3948 /* Clarify what happened with a better error message */
3949 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3950 return (ERROR + HIGHER_ACCESS_REQUIRED);
3953 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3954 return (ERROR + HIGHER_ACCESS_REQUIRED);
3960 * Check to see if the specified user has Internet mail permission
3961 * (returns nonzero if permission is granted)
3963 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3965 /* Do not allow twits to send Internet mail */
3966 if (who->axlevel <= AxProbU) return(0);
3968 /* Globally enabled? */
3969 if (config.c_restrict == 0) return(1);
3971 /* User flagged ok? */
3972 if (who->flags & US_INTERNET) return(2);
3974 /* Aide level access? */
3975 if (who->axlevel >= AxAideU) return(3);
3977 /* No mail for you! */
3983 * Validate recipients, count delivery types and errors, and handle aliasing
3984 * FIXME check for dupes!!!!!
3986 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3987 * were specified, or the number of addresses found invalid.
3989 * Caller needs to free the result using free_recipients()
3991 struct recptypes *validate_recipients(const char *supplied_recipients,
3992 const char *RemoteIdentifier,
3994 struct recptypes *ret;
3995 char *recipients = NULL;
3996 char this_recp[256];
3997 char this_recp_cooked[256];
4003 struct ctdluser tempUS;
4004 struct ctdlroom tempQR;
4005 struct ctdlroom tempQR2;
4011 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4012 if (ret == NULL) return(NULL);
4014 /* Set all strings to null and numeric values to zero */
4015 memset(ret, 0, sizeof(struct recptypes));
4017 if (supplied_recipients == NULL) {
4018 recipients = strdup("");
4021 recipients = strdup(supplied_recipients);
4024 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4025 * actually need, but it's healthier for the heap than doing lots of tiny
4026 * realloc() calls instead.
4029 ret->errormsg = malloc(strlen(recipients) + 1024);
4030 ret->recp_local = malloc(strlen(recipients) + 1024);
4031 ret->recp_internet = malloc(strlen(recipients) + 1024);
4032 ret->recp_ignet = malloc(strlen(recipients) + 1024);
4033 ret->recp_room = malloc(strlen(recipients) + 1024);
4034 ret->display_recp = malloc(strlen(recipients) + 1024);
4036 ret->errormsg[0] = 0;
4037 ret->recp_local[0] = 0;
4038 ret->recp_internet[0] = 0;
4039 ret->recp_ignet[0] = 0;
4040 ret->recp_room[0] = 0;
4041 ret->display_recp[0] = 0;
4043 ret->recptypes_magic = RECPTYPES_MAGIC;
4045 /* Change all valid separator characters to commas */
4046 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4047 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4048 recipients[i] = ',';
4052 /* Now start extracting recipients... */
4054 while (!IsEmptyStr(recipients)) {
4056 for (i=0; i<=strlen(recipients); ++i) {
4057 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4058 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4059 safestrncpy(this_recp, recipients, i+1);
4061 if (recipients[i] == ',') {
4062 strcpy(recipients, &recipients[i+1]);
4065 strcpy(recipients, "");
4072 if (IsEmptyStr(this_recp))
4074 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4076 mailtype = alias(this_recp);
4077 mailtype = alias(this_recp);
4078 mailtype = alias(this_recp);
4080 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
4081 if (this_recp[j]=='_') {
4082 this_recp_cooked[j] = ' ';
4085 this_recp_cooked[j] = this_recp[j];
4088 this_recp_cooked[j] = '\0';
4093 if (!strcasecmp(this_recp, "sysop")) {
4095 strcpy(this_recp, config.c_aideroom);
4096 if (!IsEmptyStr(ret->recp_room)) {
4097 strcat(ret->recp_room, "|");
4099 strcat(ret->recp_room, this_recp);
4101 else if ( (!strncasecmp(this_recp, "room_", 5))
4102 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4104 /* Save room so we can restore it later */
4108 /* Check permissions to send mail to this room */
4109 err = CtdlDoIHavePermissionToPostInThisRoom(
4114 0 /* 0 = not a reply */
4123 if (!IsEmptyStr(ret->recp_room)) {
4124 strcat(ret->recp_room, "|");
4126 strcat(ret->recp_room, &this_recp_cooked[5]);
4129 /* Restore room in case something needs it */
4133 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4135 strcpy(this_recp, tempUS.fullname);
4136 if (!IsEmptyStr(ret->recp_local)) {
4137 strcat(ret->recp_local, "|");
4139 strcat(ret->recp_local, this_recp);
4141 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4143 strcpy(this_recp, tempUS.fullname);
4144 if (!IsEmptyStr(ret->recp_local)) {
4145 strcat(ret->recp_local, "|");
4147 strcat(ret->recp_local, this_recp);
4155 /* Yes, you're reading this correctly: if the target
4156 * domain points back to the local system or an attached
4157 * Citadel directory, the address is invalid. That's
4158 * because if the address were valid, we would have
4159 * already translated it to a local address by now.
4161 if (IsDirectory(this_recp, 0)) {
4166 ++ret->num_internet;
4167 if (!IsEmptyStr(ret->recp_internet)) {
4168 strcat(ret->recp_internet, "|");
4170 strcat(ret->recp_internet, this_recp);
4175 if (!IsEmptyStr(ret->recp_ignet)) {
4176 strcat(ret->recp_ignet, "|");
4178 strcat(ret->recp_ignet, this_recp);
4186 if (IsEmptyStr(errmsg)) {
4187 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4190 snprintf(append, sizeof append, "%s", errmsg);
4192 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4193 if (!IsEmptyStr(ret->errormsg)) {
4194 strcat(ret->errormsg, "; ");
4196 strcat(ret->errormsg, append);
4200 if (IsEmptyStr(ret->display_recp)) {
4201 strcpy(append, this_recp);
4204 snprintf(append, sizeof append, ", %s", this_recp);
4206 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4207 strcat(ret->display_recp, append);
4212 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4213 ret->num_room + ret->num_error) == 0) {
4214 ret->num_error = (-1);
4215 strcpy(ret->errormsg, "No recipients specified.");
4218 syslog(LOG_DEBUG, "validate_recipients()\n");
4219 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4220 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4221 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4222 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4223 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4231 * Destructor for struct recptypes
4233 void free_recipients(struct recptypes *valid) {
4235 if (valid == NULL) {
4239 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4240 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4244 if (valid->errormsg != NULL) free(valid->errormsg);
4245 if (valid->recp_local != NULL) free(valid->recp_local);
4246 if (valid->recp_internet != NULL) free(valid->recp_internet);
4247 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4248 if (valid->recp_room != NULL) free(valid->recp_room);
4249 if (valid->display_recp != NULL) free(valid->display_recp);
4250 if (valid->bounce_to != NULL) free(valid->bounce_to);
4251 if (valid->envelope_from != NULL) free(valid->envelope_from);
4258 * message entry - mode 0 (normal)
4260 void cmd_ent0(char *entargs)
4262 struct CitContext *CCC = CC;
4267 char supplied_euid[128];
4269 int format_type = 0;
4270 char newusername[256];
4271 char newuseremail[256];
4272 struct CtdlMessage *msg;
4276 struct recptypes *valid = NULL;
4277 struct recptypes *valid_to = NULL;
4278 struct recptypes *valid_cc = NULL;
4279 struct recptypes *valid_bcc = NULL;
4281 int subject_required = 0;
4283 int verbose_reply = 0;
4287 int newuseremail_ok = 0;
4288 char references[SIZ];
4293 post = extract_int(entargs, 0);
4294 extract_token(recp, entargs, 1, '|', sizeof recp);
4295 anon_flag = extract_int(entargs, 2);
4296 format_type = extract_int(entargs, 3);
4297 extract_token(subject, entargs, 4, '|', sizeof subject);
4298 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4299 do_confirm = extract_int(entargs, 6);
4300 extract_token(cc, entargs, 7, '|', sizeof cc);
4301 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4302 verbose_reply = extract_int(entargs, 9);
4303 switch(CC->room.QRdefaultview) {
4306 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4309 supplied_euid[0] = 0;
4312 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4313 extract_token(references, entargs, 11, '|', sizeof references);
4314 for (ptr=references; *ptr != 0; ++ptr) {
4315 if (*ptr == '!') *ptr = '|';
4318 /* first check to make sure the request is valid. */
4320 err = CtdlDoIHavePermissionToPostInThisRoom(
4325 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4329 cprintf("%d %s\n", err, errmsg);
4333 /* Check some other permission type things. */
4335 if (IsEmptyStr(newusername)) {
4336 strcpy(newusername, CCC->user.fullname);
4338 if ( (CCC->user.axlevel < AxAideU)
4339 && (strcasecmp(newusername, CCC->user.fullname))
4340 && (strcasecmp(newusername, CCC->cs_inet_fn))
4342 cprintf("%d You don't have permission to author messages as '%s'.\n",
4343 ERROR + HIGHER_ACCESS_REQUIRED,
4350 if (IsEmptyStr(newuseremail)) {
4351 newuseremail_ok = 1;
4354 if (!IsEmptyStr(newuseremail)) {
4355 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4356 newuseremail_ok = 1;
4358 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4359 j = num_tokens(CCC->cs_inet_other_emails, '|');
4360 for (i=0; i<j; ++i) {
4361 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4362 if (!strcasecmp(newuseremail, buf)) {
4363 newuseremail_ok = 1;
4369 if (!newuseremail_ok) {
4370 cprintf("%d You don't have permission to author messages as '%s'.\n",
4371 ERROR + HIGHER_ACCESS_REQUIRED,
4377 CCC->cs_flags |= CS_POSTING;
4379 /* In mailbox rooms we have to behave a little differently --
4380 * make sure the user has specified at least one recipient. Then
4381 * validate the recipient(s). We do this for the Mail> room, as
4382 * well as any room which has the "Mailbox" view set - unless it
4383 * is the DRAFTS room which does not require recipients
4386 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4387 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4388 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4389 if (CCC->user.axlevel < AxProbU) {
4390 strcpy(recp, "sysop");
4395 valid_to = validate_recipients(recp, NULL, 0);
4396 if (valid_to->num_error > 0) {
4397 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4398 free_recipients(valid_to);
4402 valid_cc = validate_recipients(cc, NULL, 0);
4403 if (valid_cc->num_error > 0) {
4404 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4405 free_recipients(valid_to);
4406 free_recipients(valid_cc);
4410 valid_bcc = validate_recipients(bcc, NULL, 0);
4411 if (valid_bcc->num_error > 0) {
4412 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4413 free_recipients(valid_to);
4414 free_recipients(valid_cc);
4415 free_recipients(valid_bcc);
4419 /* Recipient required, but none were specified */
4420 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4421 free_recipients(valid_to);
4422 free_recipients(valid_cc);
4423 free_recipients(valid_bcc);
4424 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4428 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4429 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4430 cprintf("%d You do not have permission "
4431 "to send Internet mail.\n",
4432 ERROR + HIGHER_ACCESS_REQUIRED);
4433 free_recipients(valid_to);
4434 free_recipients(valid_cc);
4435 free_recipients(valid_bcc);
4440 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)
4441 && (CCC->user.axlevel < AxNetU) ) {
4442 cprintf("%d Higher access required for network mail.\n",
4443 ERROR + HIGHER_ACCESS_REQUIRED);
4444 free_recipients(valid_to);
4445 free_recipients(valid_cc);
4446 free_recipients(valid_bcc);
4450 if ((RESTRICT_INTERNET == 1)
4451 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4452 && ((CCC->user.flags & US_INTERNET) == 0)
4453 && (!CCC->internal_pgm)) {
4454 cprintf("%d You don't have access to Internet mail.\n",
4455 ERROR + HIGHER_ACCESS_REQUIRED);
4456 free_recipients(valid_to);
4457 free_recipients(valid_cc);
4458 free_recipients(valid_bcc);
4464 /* Is this a room which has anonymous-only or anonymous-option? */
4465 anonymous = MES_NORMAL;
4466 if (CCC->room.QRflags & QR_ANONONLY) {
4467 anonymous = MES_ANONONLY;
4469 if (CCC->room.QRflags & QR_ANONOPT) {
4470 if (anon_flag == 1) { /* only if the user requested it */
4471 anonymous = MES_ANONOPT;
4475 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4479 /* Recommend to the client that the use of a message subject is
4480 * strongly recommended in this room, if either the SUBJECTREQ flag
4481 * is set, or if there is one or more Internet email recipients.
4483 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4484 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4485 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4486 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4488 /* If we're only checking the validity of the request, return
4489 * success without creating the message.
4492 cprintf("%d %s|%d\n", CIT_OK,
4493 ((valid_to != NULL) ? valid_to->display_recp : ""),
4495 free_recipients(valid_to);
4496 free_recipients(valid_cc);
4497 free_recipients(valid_bcc);
4501 /* We don't need these anymore because we'll do it differently below */
4502 free_recipients(valid_to);
4503 free_recipients(valid_cc);
4504 free_recipients(valid_bcc);
4506 /* Read in the message from the client. */
4508 cprintf("%d send message\n", START_CHAT_MODE);
4510 cprintf("%d send message\n", SEND_LISTING);
4513 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4514 CCC->room.QRname, anonymous, format_type,
4515 newusername, newuseremail, subject,
4516 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4519 /* Put together one big recipients struct containing to/cc/bcc all in
4520 * one. This is for the envelope.
4522 char *all_recps = malloc(SIZ * 3);
4523 strcpy(all_recps, recp);
4524 if (!IsEmptyStr(cc)) {
4525 if (!IsEmptyStr(all_recps)) {
4526 strcat(all_recps, ",");
4528 strcat(all_recps, cc);
4530 if (!IsEmptyStr(bcc)) {
4531 if (!IsEmptyStr(all_recps)) {
4532 strcat(all_recps, ",");
4534 strcat(all_recps, bcc);
4536 if (!IsEmptyStr(all_recps)) {
4537 valid = validate_recipients(all_recps, NULL, 0);
4545 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4548 if (StrLength(CCC->StatusMessage)>0)
4550 StrBufAppendBufPlain(CCC->StatusMessage, HKEY("\n000\n"), 0);
4551 cputbuf(CCC->StatusMessage);
4554 client_write(HKEY("\n000\n"));
4558 cprintf("%ld\n", msgnum);
4560 client_write(HKEY("Message accepted.\n"));
4563 client_write(HKEY("Internal error.\n"));
4565 if (msg->cm_fields['E'] != NULL) {
4566 cprintf("%s\n", msg->cm_fields['E']);
4573 CtdlFreeMessage(msg);
4575 if (valid != NULL) {
4576 free_recipients(valid);
4584 * API function to delete messages which match a set of criteria
4585 * (returns the actual number of messages deleted)
4587 int CtdlDeleteMessages(char *room_name, /* which room */
4588 long *dmsgnums, /* array of msg numbers to be deleted */
4589 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4590 char *content_type /* or "" for any. regular expressions expected. */
4593 struct ctdlroom qrbuf;
4594 struct cdbdata *cdbfr;
4595 long *msglist = NULL;
4596 long *dellist = NULL;
4599 int num_deleted = 0;
4601 struct MetaData smi;
4604 int need_to_free_re = 0;
4606 if (content_type) if (!IsEmptyStr(content_type)) {
4607 regcomp(&re, content_type, 0);
4608 need_to_free_re = 1;
4610 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4611 room_name, num_dmsgnums, content_type);
4613 /* get room record, obtaining a lock... */
4614 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4615 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4617 if (need_to_free_re) regfree(&re);
4618 return (0); /* room not found */
4620 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4622 if (cdbfr != NULL) {
4623 dellist = malloc(cdbfr->len);
4624 msglist = (long *) cdbfr->ptr;
4625 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4626 num_msgs = cdbfr->len / sizeof(long);
4630 for (i = 0; i < num_msgs; ++i) {
4633 /* Set/clear a bit for each criterion */
4635 /* 0 messages in the list or a null list means that we are
4636 * interested in deleting any messages which meet the other criteria.
4638 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4639 delete_this |= 0x01;
4642 for (j=0; j<num_dmsgnums; ++j) {
4643 if (msglist[i] == dmsgnums[j]) {
4644 delete_this |= 0x01;
4649 if (IsEmptyStr(content_type)) {
4650 delete_this |= 0x02;
4652 GetMetaData(&smi, msglist[i]);
4653 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4654 delete_this |= 0x02;
4658 /* Delete message only if all bits are set */
4659 if (delete_this == 0x03) {
4660 dellist[num_deleted++] = msglist[i];
4665 num_msgs = sort_msglist(msglist, num_msgs);
4666 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4667 msglist, (int)(num_msgs * sizeof(long)));
4670 qrbuf.QRhighest = msglist[num_msgs - 1];
4672 qrbuf.QRhighest = 0;
4674 CtdlPutRoomLock(&qrbuf);
4676 /* Go through the messages we pulled out of the index, and decrement
4677 * their reference counts by 1. If this is the only room the message
4678 * was in, the reference count will reach zero and the message will
4679 * automatically be deleted from the database. We do this in a
4680 * separate pass because there might be plug-in hooks getting called,
4681 * and we don't want that happening during an S_ROOMS critical
4684 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4685 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4686 AdjRefCount(dellist[i], -1);
4689 /* Now free the memory we used, and go away. */
4690 if (msglist != NULL) free(msglist);
4691 if (dellist != NULL) free(dellist);
4692 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4693 if (need_to_free_re) regfree(&re);
4694 return (num_deleted);
4700 * Check whether the current user has permission to delete messages from
4701 * the current room (returns 1 for yes, 0 for no)
4703 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4705 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4706 if (ra & UA_DELETEALLOWED) return(1);
4714 * Delete message from current room
4716 void cmd_dele(char *args)
4725 extract_token(msgset, args, 0, '|', sizeof msgset);
4726 num_msgs = num_tokens(msgset, ',');
4728 cprintf("%d Nothing to do.\n", CIT_OK);
4732 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4733 cprintf("%d Higher access required.\n",
4734 ERROR + HIGHER_ACCESS_REQUIRED);
4739 * Build our message set to be moved/copied
4741 msgs = malloc(num_msgs * sizeof(long));
4742 for (i=0; i<num_msgs; ++i) {
4743 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4744 msgs[i] = atol(msgtok);
4747 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4751 cprintf("%d %d message%s deleted.\n", CIT_OK,
4752 num_deleted, ((num_deleted != 1) ? "s" : ""));
4754 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4762 * move or copy a message to another room
4764 void cmd_move(char *args)
4771 char targ[ROOMNAMELEN];
4772 struct ctdlroom qtemp;
4779 extract_token(msgset, args, 0, '|', sizeof msgset);
4780 num_msgs = num_tokens(msgset, ',');
4782 cprintf("%d Nothing to do.\n", CIT_OK);
4786 extract_token(targ, args, 1, '|', sizeof targ);
4787 convert_room_name_macros(targ, sizeof targ);
4788 targ[ROOMNAMELEN - 1] = 0;
4789 is_copy = extract_int(args, 2);
4791 if (CtdlGetRoom(&qtemp, targ) != 0) {
4792 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4796 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4797 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4801 CtdlGetUser(&CC->user, CC->curr_user);
4802 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4804 /* Check for permission to perform this operation.
4805 * Remember: "CC->room" is source, "qtemp" is target.
4809 /* Aides can move/copy */
4810 if (CC->user.axlevel >= AxAideU) permit = 1;
4812 /* Room aides can move/copy */
4813 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4815 /* Permit move/copy from personal rooms */
4816 if ((CC->room.QRflags & QR_MAILBOX)
4817 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4819 /* Permit only copy from public to personal room */
4821 && (!(CC->room.QRflags & QR_MAILBOX))
4822 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4824 /* Permit message removal from collaborative delete rooms */
4825 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4827 /* Users allowed to post into the target room may move into it too. */
4828 if ((CC->room.QRflags & QR_MAILBOX) &&
4829 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4831 /* User must have access to target room */
4832 if (!(ra & UA_KNOWN)) permit = 0;
4835 cprintf("%d Higher access required.\n",
4836 ERROR + HIGHER_ACCESS_REQUIRED);
4841 * Build our message set to be moved/copied
4843 msgs = malloc(num_msgs * sizeof(long));
4844 for (i=0; i<num_msgs; ++i) {
4845 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4846 msgs[i] = atol(msgtok);
4852 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4854 cprintf("%d Cannot store message(s) in %s: error %d\n",
4860 /* Now delete the message from the source room,
4861 * if this is a 'move' rather than a 'copy' operation.
4864 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4868 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4874 * GetMetaData() - Get the supplementary record for a message
4876 void GetMetaData(struct MetaData *smibuf, long msgnum)
4879 struct cdbdata *cdbsmi;
4882 memset(smibuf, 0, sizeof(struct MetaData));
4883 smibuf->meta_msgnum = msgnum;
4884 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4886 /* Use the negative of the message number for its supp record index */
4887 TheIndex = (0L - msgnum);
4889 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4890 if (cdbsmi == NULL) {
4891 return; /* record not found; go with defaults */
4893 memcpy(smibuf, cdbsmi->ptr,
4894 ((cdbsmi->len > sizeof(struct MetaData)) ?
4895 sizeof(struct MetaData) : cdbsmi->len));
4902 * PutMetaData() - (re)write supplementary record for a message
4904 void PutMetaData(struct MetaData *smibuf)
4908 /* Use the negative of the message number for the metadata db index */
4909 TheIndex = (0L - smibuf->meta_msgnum);
4911 cdb_store(CDB_MSGMAIN,
4912 &TheIndex, (int)sizeof(long),
4913 smibuf, (int)sizeof(struct MetaData));
4918 * AdjRefCount - submit an adjustment to the reference count for a message.
4919 * (These are just queued -- we actually process them later.)
4921 void AdjRefCount(long msgnum, int incr)
4923 struct arcq new_arcq;
4926 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4930 begin_critical_section(S_SUPPMSGMAIN);
4931 if (arcfp == NULL) {
4932 arcfp = fopen(file_arcq, "ab+");
4934 end_critical_section(S_SUPPMSGMAIN);
4936 /* msgnum < 0 means that we're trying to close the file */
4938 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4939 begin_critical_section(S_SUPPMSGMAIN);
4940 if (arcfp != NULL) {
4944 end_critical_section(S_SUPPMSGMAIN);
4949 * If we can't open the queue, perform the operation synchronously.
4951 if (arcfp == NULL) {
4952 TDAP_AdjRefCount(msgnum, incr);
4956 new_arcq.arcq_msgnum = msgnum;
4957 new_arcq.arcq_delta = incr;
4958 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4960 syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
4971 * TDAP_ProcessAdjRefCountQueue()
4973 * Process the queue of message count adjustments that was created by calls
4974 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4975 * for each one. This should be an "off hours" operation.
4977 int TDAP_ProcessAdjRefCountQueue(void)
4979 char file_arcq_temp[PATH_MAX];
4982 struct arcq arcq_rec;
4983 int num_records_processed = 0;
4985 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4987 begin_critical_section(S_SUPPMSGMAIN);
4988 if (arcfp != NULL) {
4993 r = link(file_arcq, file_arcq_temp);
4995 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4996 end_critical_section(S_SUPPMSGMAIN);
4997 return(num_records_processed);
5001 end_critical_section(S_SUPPMSGMAIN);
5003 fp = fopen(file_arcq_temp, "rb");
5005 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5006 return(num_records_processed);
5009 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5010 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5011 ++num_records_processed;
5015 r = unlink(file_arcq_temp);
5017 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5020 return(num_records_processed);
5026 * TDAP_AdjRefCount - adjust the reference count for a message.
5027 * This one does it "for real" because it's called by
5028 * the autopurger function that processes the queue
5029 * created by AdjRefCount(). If a message's reference
5030 * count becomes zero, we also delete the message from
5031 * disk and de-index it.
5033 void TDAP_AdjRefCount(long msgnum, int incr)
5036 struct MetaData smi;
5039 /* This is a *tight* critical section; please keep it that way, as
5040 * it may get called while nested in other critical sections.
5041 * Complicating this any further will surely cause deadlock!
5043 begin_critical_section(S_SUPPMSGMAIN);
5044 GetMetaData(&smi, msgnum);
5045 smi.meta_refcount += incr;
5047 end_critical_section(S_SUPPMSGMAIN);
5048 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5049 msgnum, incr, smi.meta_refcount
5052 /* If the reference count is now zero, delete the message
5053 * (and its supplementary record as well).
5055 if (smi.meta_refcount == 0) {
5056 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5058 /* Call delete hooks with NULL room to show it has gone altogether */
5059 PerformDeleteHooks(NULL, msgnum);
5061 /* Remove from message base */
5063 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5064 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5066 /* Remove metadata record */
5067 delnum = (0L - msgnum);
5068 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5074 * Write a generic object to this room
5076 * Note: this could be much more efficient. Right now we use two temporary
5077 * files, and still pull the message into memory as with all others.
5079 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5080 char *content_type, /* MIME type of this object */
5081 char *raw_message, /* Data to be written */
5082 off_t raw_length, /* Size of raw_message */
5083 struct ctdluser *is_mailbox, /* Mailbox room? */
5084 int is_binary, /* Is encoding necessary? */
5085 int is_unique, /* Del others of this type? */
5086 unsigned int flags /* Internal save flags */
5090 struct ctdlroom qrbuf;
5091 char roomname[ROOMNAMELEN];
5092 struct CtdlMessage *msg;
5093 char *encoded_message = NULL;
5095 if (is_mailbox != NULL) {
5096 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5099 safestrncpy(roomname, req_room, sizeof(roomname));
5102 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5105 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5108 encoded_message = malloc((size_t)(raw_length + 4096));
5111 sprintf(encoded_message, "Content-type: %s\n", content_type);
5114 sprintf(&encoded_message[strlen(encoded_message)],
5115 "Content-transfer-encoding: base64\n\n"
5119 sprintf(&encoded_message[strlen(encoded_message)],
5120 "Content-transfer-encoding: 7bit\n\n"
5126 &encoded_message[strlen(encoded_message)],
5134 &encoded_message[strlen(encoded_message)],
5140 syslog(LOG_DEBUG, "Allocating\n");
5141 msg = malloc(sizeof(struct CtdlMessage));
5142 memset(msg, 0, sizeof(struct CtdlMessage));
5143 msg->cm_magic = CTDLMESSAGE_MAGIC;
5144 msg->cm_anon_type = MES_NORMAL;
5145 msg->cm_format_type = 4;
5146 msg->cm_fields['A'] = strdup(CC->user.fullname);
5147 msg->cm_fields['O'] = strdup(req_room);
5148 msg->cm_fields['N'] = strdup(config.c_nodename);
5149 msg->cm_fields['H'] = strdup(config.c_humannode);
5150 msg->cm_flags = flags;
5152 msg->cm_fields['M'] = encoded_message;
5154 /* Create the requested room if we have to. */
5155 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5156 CtdlCreateRoom(roomname,
5157 ( (is_mailbox != NULL) ? 5 : 3 ),
5158 "", 0, 1, 0, VIEW_BBS);
5160 /* If the caller specified this object as unique, delete all
5161 * other objects of this type that are currently in the room.
5164 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5165 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5168 /* Now write the data */
5169 CtdlSubmitMsg(msg, NULL, roomname, 0);
5170 CtdlFreeMessage(msg);
5178 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5179 config_msgnum = msgnum;
5183 char *CtdlGetSysConfig(char *sysconfname) {
5184 char hold_rm[ROOMNAMELEN];
5187 struct CtdlMessage *msg;
5190 strcpy(hold_rm, CC->room.QRname);
5191 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5192 CtdlGetRoom(&CC->room, hold_rm);
5197 /* We want the last (and probably only) config in this room */
5198 begin_critical_section(S_CONFIG);
5199 config_msgnum = (-1L);
5200 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5201 CtdlGetSysConfigBackend, NULL);
5202 msgnum = config_msgnum;
5203 end_critical_section(S_CONFIG);
5209 msg = CtdlFetchMessage(msgnum, 1);
5211 conf = strdup(msg->cm_fields['M']);
5212 CtdlFreeMessage(msg);
5219 CtdlGetRoom(&CC->room, hold_rm);
5221 if (conf != NULL) do {
5222 extract_token(buf, conf, 0, '\n', sizeof buf);
5223 strcpy(conf, &conf[strlen(buf)+1]);
5224 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5230 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5231 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5236 * Determine whether a given Internet address belongs to the current user
5238 int CtdlIsMe(char *addr, int addr_buf_len)
5240 struct recptypes *recp;
5243 recp = validate_recipients(addr, NULL, 0);
5244 if (recp == NULL) return(0);
5246 if (recp->num_local == 0) {
5247 free_recipients(recp);
5251 for (i=0; i<recp->num_local; ++i) {
5252 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5253 if (!strcasecmp(addr, CC->user.fullname)) {
5254 free_recipients(recp);
5259 free_recipients(recp);
5265 * Citadel protocol command to do the same
5267 void cmd_isme(char *argbuf) {
5270 if (CtdlAccessCheck(ac_logged_in)) return;
5271 extract_token(addr, argbuf, 0, '|', sizeof addr);
5273 if (CtdlIsMe(addr, sizeof addr)) {
5274 cprintf("%d %s\n", CIT_OK, addr);
5277 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5283 /*****************************************************************************/
5284 /* MODULE INITIALIZATION STUFF */
5285 /*****************************************************************************/
5287 CTDL_MODULE_INIT(msgbase)
5290 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5291 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5292 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5293 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5294 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5295 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5296 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5297 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5298 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5299 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5300 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5301 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5304 /* return our Subversion id for the Log */