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)
1087 CitContext *CCC = MyContext();
1089 /* Silently go away if there's already a download open. */
1090 if (CCC->download_fp != NULL)
1094 (!IsEmptyStr(partnum) && (!strcasecmp(CCC->download_desired_section, partnum)))
1095 || (!IsEmptyStr(cbid) && (!strcasecmp(CCC->download_desired_section, cbid)))
1097 CCC->download_fp = tmpfile();
1098 if (CCC->download_fp == NULL) {
1099 syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1101 cprintf("%d cannot open temporary file: %s\n",
1102 ERROR + INTERNAL_ERROR, strerror(errno));
1106 rv = fwrite(content, length, 1, CC->download_fp);
1108 syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1110 cprintf("%d unable to write tempfile.\n",
1112 fclose(CCC->download_fp);
1113 CCC->download_fp = NULL;
1116 fflush(CCC->download_fp);
1117 rewind(CCC->download_fp);
1119 OpenCmdResult(filename, cbtype);
1126 * Callback function for mime parser that outputs a section all at once.
1127 * We can specify the desired section by part number *or* content-id.
1129 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1130 void *content, char *cbtype, char *cbcharset, size_t length,
1131 char *encoding, char *cbid, void *cbuserdata)
1133 int *found_it = (int *)cbuserdata;
1136 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1137 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1140 cprintf("%d %d|-1|%s|%s|%s\n",
1147 client_write(content, length);
1153 * Load a message from disk into memory.
1154 * This is used by CtdlOutputMsg() and other fetch functions.
1156 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1157 * using the CtdlMessageFree() function.
1159 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1161 struct cdbdata *dmsgtext;
1162 struct CtdlMessage *ret = NULL;
1166 cit_uint8_t field_header;
1168 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1169 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1170 if (dmsgtext == NULL) {
1173 mptr = dmsgtext->ptr;
1174 upper_bound = mptr + dmsgtext->len;
1176 /* Parse the three bytes that begin EVERY message on disk.
1177 * The first is always 0xFF, the on-disk magic number.
1178 * The second is the anonymous/public type byte.
1179 * The third is the format type byte (vari, fixed, or MIME).
1183 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1187 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1188 memset(ret, 0, sizeof(struct CtdlMessage));
1190 ret->cm_magic = CTDLMESSAGE_MAGIC;
1191 ret->cm_anon_type = *mptr++; /* Anon type byte */
1192 ret->cm_format_type = *mptr++; /* Format type byte */
1195 * The rest is zero or more arbitrary fields. Load them in.
1196 * We're done when we encounter either a zero-length field or
1197 * have just processed the 'M' (message text) field.
1200 if (mptr >= upper_bound) {
1203 field_header = *mptr++;
1204 ret->cm_fields[field_header] = strdup(mptr);
1206 while (*mptr++ != 0); /* advance to next field */
1208 } while ((mptr < upper_bound) && (field_header != 'M'));
1212 /* Always make sure there's something in the msg text field. If
1213 * it's NULL, the message text is most likely stored separately,
1214 * so go ahead and fetch that. Failing that, just set a dummy
1215 * body so other code doesn't barf.
1217 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1218 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1219 if (dmsgtext != NULL) {
1220 ret->cm_fields['M'] = dmsgtext->ptr;
1221 dmsgtext->ptr = NULL;
1225 if (ret->cm_fields['M'] == NULL) {
1226 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1229 /* Perform "before read" hooks (aborting if any return nonzero) */
1230 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1231 CtdlFreeMessage(ret);
1240 * Returns 1 if the supplied pointer points to a valid Citadel message.
1241 * If the pointer is NULL or the magic number check fails, returns 0.
1243 int is_valid_message(struct CtdlMessage *msg) {
1246 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1247 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1253 void CtdlFreeMessageContents(struct CtdlMessage *msg)
1257 for (i = 0; i < 256; ++i)
1258 if (msg->cm_fields[i] != NULL) {
1259 free(msg->cm_fields[i]);
1262 msg->cm_magic = 0; /* just in case */
1265 * 'Destructor' for struct CtdlMessage
1267 void CtdlFreeMessage(struct CtdlMessage *msg)
1269 if (is_valid_message(msg) == 0)
1271 if (msg != NULL) free (msg);
1274 CtdlFreeMessageContents(msg);
1280 * Pre callback function for multipart/alternative
1282 * NOTE: this differs from the standard behavior for a reason. Normally when
1283 * displaying multipart/alternative you want to show the _last_ usable
1284 * format in the message. Here we show the _first_ one, because it's
1285 * usually text/plain. Since this set of functions is designed for text
1286 * output to non-MIME-aware clients, this is the desired behavior.
1289 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1290 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1291 char *cbid, void *cbuserdata)
1295 ma = (struct ma_info *)cbuserdata;
1296 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1297 if (!strcasecmp(cbtype, "multipart/alternative")) {
1301 if (!strcasecmp(cbtype, "message/rfc822")) {
1307 * Post callback function for multipart/alternative
1309 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1310 void *content, char *cbtype, char *cbcharset, size_t length,
1311 char *encoding, char *cbid, void *cbuserdata)
1315 ma = (struct ma_info *)cbuserdata;
1316 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1317 if (!strcasecmp(cbtype, "multipart/alternative")) {
1321 if (!strcasecmp(cbtype, "message/rfc822")) {
1327 * Inline callback function for mime parser that wants to display text
1329 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1330 void *content, char *cbtype, char *cbcharset, size_t length,
1331 char *encoding, char *cbid, void *cbuserdata)
1338 ma = (struct ma_info *)cbuserdata;
1341 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1342 partnum, filename, cbtype, (long)length);
1345 * If we're in the middle of a multipart/alternative scope and
1346 * we've already printed another section, skip this one.
1348 if ( (ma->is_ma) && (ma->did_print) ) {
1349 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1354 if ( (!strcasecmp(cbtype, "text/plain"))
1355 || (IsEmptyStr(cbtype)) ) {
1358 client_write(wptr, length);
1359 if (wptr[length-1] != '\n') {
1366 if (!strcasecmp(cbtype, "text/html")) {
1367 ptr = html_to_ascii(content, length, 80, 0);
1369 client_write(ptr, wlen);
1370 if ((wlen > 0) && (ptr[wlen-1] != '\n')) {
1377 if (ma->use_fo_hooks) {
1378 if (PerformFixedOutputHooks(cbtype, content, length)) {
1379 /* above function returns nonzero if it handled the part */
1384 if (strncasecmp(cbtype, "multipart/", 10)) {
1385 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1386 partnum, filename, cbtype, (long)length);
1392 * The client is elegant and sophisticated and wants to be choosy about
1393 * MIME content types, so figure out which multipart/alternative part
1394 * we're going to send.
1396 * We use a system of weights. When we find a part that matches one of the
1397 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1398 * and then set ma->chosen_pref to that MIME type's position in our preference
1399 * list. If we then hit another match, we only replace the first match if
1400 * the preference value is lower.
1402 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1403 void *content, char *cbtype, char *cbcharset, size_t length,
1404 char *encoding, char *cbid, void *cbuserdata)
1410 ma = (struct ma_info *)cbuserdata;
1412 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1413 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1414 // I don't know if there are any side effects! Please TEST TEST TEST
1415 //if (ma->is_ma > 0) {
1417 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1418 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1419 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1420 if (i < ma->chosen_pref) {
1421 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1422 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1423 ma->chosen_pref = i;
1430 * Now that we've chosen our preferred part, output it.
1432 void output_preferred(char *name,
1446 int add_newline = 0;
1449 char *decoded = NULL;
1450 size_t bytes_decoded;
1453 ma = (struct ma_info *)cbuserdata;
1455 /* This is not the MIME part you're looking for... */
1456 if (strcasecmp(partnum, ma->chosen_part)) return;
1458 /* If the content-type of this part is in our preferred formats
1459 * list, we can simply output it verbatim.
1461 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1462 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1463 if (!strcasecmp(buf, cbtype)) {
1464 /* Yeah! Go! W00t!! */
1465 if (ma->dont_decode == 0)
1466 rc = mime_decode_now (content,
1472 break; /* Give us the chance, maybe theres another one. */
1474 if (rc == 0) text_content = (char *)content;
1476 text_content = decoded;
1477 length = bytes_decoded;
1480 if (text_content[length-1] != '\n') {
1483 cprintf("Content-type: %s", cbtype);
1484 if (!IsEmptyStr(cbcharset)) {
1485 cprintf("; charset=%s", cbcharset);
1487 cprintf("\nContent-length: %d\n",
1488 (int)(length + add_newline) );
1489 if (!IsEmptyStr(encoding)) {
1490 cprintf("Content-transfer-encoding: %s\n", encoding);
1493 cprintf("Content-transfer-encoding: 7bit\n");
1495 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1497 if (client_write(text_content, length) == -1)
1499 syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1502 if (add_newline) cprintf("\n");
1503 if (decoded != NULL) free(decoded);
1508 /* No translations required or possible: output as text/plain */
1509 cprintf("Content-type: text/plain\n\n");
1511 if (ma->dont_decode == 0)
1512 rc = mime_decode_now (content,
1518 return; /* Give us the chance, maybe theres another one. */
1520 if (rc == 0) text_content = (char *)content;
1522 text_content = decoded;
1523 length = bytes_decoded;
1526 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1527 length, encoding, cbid, cbuserdata);
1528 if (decoded != NULL) free(decoded);
1533 char desired_section[64];
1540 * Callback function for
1542 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1543 void *content, char *cbtype, char *cbcharset, size_t length,
1544 char *encoding, char *cbid, void *cbuserdata)
1546 struct encapmsg *encap;
1548 encap = (struct encapmsg *)cbuserdata;
1550 /* Only proceed if this is the desired section... */
1551 if (!strcasecmp(encap->desired_section, partnum)) {
1552 encap->msglen = length;
1553 encap->msg = malloc(length + 2);
1554 memcpy(encap->msg, content, length);
1561 * Determine whether the specified message exists in the cached_msglist
1562 * (This is a security check)
1564 int check_cached_msglist(long msgnum) {
1566 /* cases in which we skip the check */
1567 if (!CC) return om_ok; /* not a session */
1568 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1569 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1570 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1573 /* Do a binary search within the cached_msglist for the requested msgnum */
1575 int max = (CC->cached_num_msgs - 1);
1577 while (max >= min) {
1578 int middle = min + (max-min) / 2 ;
1579 if (msgnum == CC->cached_msglist[middle]) {
1582 if (msgnum > CC->cached_msglist[middle]) {
1590 return om_access_denied;
1595 * Determine whether the currently logged in session has permission to read
1596 * messages in the current room.
1598 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1599 if ( (!(CC->logged_in))
1600 && (!(CC->internal_pgm))
1601 && (!config.c_guest_logins)
1603 return(om_not_logged_in);
1610 * Get a message off disk. (returns om_* values found in msgbase.h)
1613 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1614 int mode, /* how would you like that message? */
1615 int headers_only, /* eschew the message body? */
1616 int do_proto, /* do Citadel protocol responses? */
1617 int crlf, /* Use CRLF newlines instead of LF? */
1618 char *section, /* NULL or a message/rfc822 section */
1619 int flags /* various flags; see msgbase.h */
1621 struct CtdlMessage *TheMessage = NULL;
1622 int retcode = om_no_such_msg;
1623 struct encapmsg encap;
1626 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1628 (section ? section : "<>")
1631 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1634 if (r == om_not_logged_in) {
1635 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1638 cprintf("%d An unknown error has occurred.\n", ERROR);
1645 * Check to make sure the message is actually IN this room
1647 r = check_cached_msglist(msg_num);
1648 if (r == om_access_denied) {
1649 /* Not in the cache? We get ONE shot to check it again. */
1650 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1651 r = check_cached_msglist(msg_num);
1654 syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1655 msg_num, CC->room.QRname
1658 if (r == om_access_denied) {
1659 cprintf("%d message %ld was not found in this room\n",
1660 ERROR + HIGHER_ACCESS_REQUIRED,
1669 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1670 * request that we don't even bother loading the body into memory.
1672 if (headers_only == HEADERS_FAST) {
1673 TheMessage = CtdlFetchMessage(msg_num, 0);
1676 TheMessage = CtdlFetchMessage(msg_num, 1);
1679 if (TheMessage == NULL) {
1680 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1681 ERROR + MESSAGE_NOT_FOUND, msg_num);
1682 return(om_no_such_msg);
1685 /* Here is the weird form of this command, to process only an
1686 * encapsulated message/rfc822 section.
1688 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1689 memset(&encap, 0, sizeof encap);
1690 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1691 mime_parser(TheMessage->cm_fields['M'],
1693 *extract_encapsulated_message,
1694 NULL, NULL, (void *)&encap, 0
1696 CtdlFreeMessage(TheMessage);
1700 encap.msg[encap.msglen] = 0;
1701 TheMessage = convert_internet_message(encap.msg);
1702 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1704 /* Now we let it fall through to the bottom of this
1705 * function, because TheMessage now contains the
1706 * encapsulated message instead of the top-level
1707 * message. Isn't that neat?
1712 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1713 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1714 retcode = om_no_such_msg;
1719 /* Ok, output the message now */
1720 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1721 CtdlFreeMessage(TheMessage);
1727 char *qp_encode_email_addrs(char *source)
1729 char *user, *node, *name;
1730 const char headerStr[] = "=?UTF-8?Q?";
1734 int need_to_encode = 0;
1740 long nAddrPtrMax = 50;
1745 if (source == NULL) return source;
1746 if (IsEmptyStr(source)) return source;
1748 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1750 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1751 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1752 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1755 while (!IsEmptyStr (&source[i])) {
1756 if (nColons >= nAddrPtrMax){
1759 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1760 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1761 free (AddrPtr), AddrPtr = ptr;
1763 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1764 memset(&ptr[nAddrPtrMax], 0,
1765 sizeof (long) * nAddrPtrMax);
1767 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1768 free (AddrUtf8), AddrUtf8 = ptr;
1771 if (((unsigned char) source[i] < 32) ||
1772 ((unsigned char) source[i] > 126)) {
1774 AddrUtf8[nColons] = 1;
1776 if (source[i] == '"')
1777 InQuotes = !InQuotes;
1778 if (!InQuotes && source[i] == ',') {
1779 AddrPtr[nColons] = i;
1784 if (need_to_encode == 0) {
1791 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1792 Encoded = (char*) malloc (EncodedMaxLen);
1794 for (i = 0; i < nColons; i++)
1795 source[AddrPtr[i]++] = '\0';
1796 /* TODO: if libidn, this might get larger*/
1797 user = malloc(SourceLen + 1);
1798 node = malloc(SourceLen + 1);
1799 name = malloc(SourceLen + 1);
1803 for (i = 0; i < nColons && nPtr != NULL; i++) {
1804 nmax = EncodedMaxLen - (nPtr - Encoded);
1806 process_rfc822_addr(&source[AddrPtr[i]],
1810 /* TODO: libIDN here ! */
1811 if (IsEmptyStr(name)) {
1812 n = snprintf(nPtr, nmax,
1813 (i==0)?"%s@%s" : ",%s@%s",
1817 EncodedName = rfc2047encode(name, strlen(name));
1818 n = snprintf(nPtr, nmax,
1819 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1820 EncodedName, user, node);
1825 n = snprintf(nPtr, nmax,
1826 (i==0)?"%s" : ",%s",
1827 &source[AddrPtr[i]]);
1833 ptr = (char*) malloc(EncodedMaxLen * 2);
1834 memcpy(ptr, Encoded, EncodedMaxLen);
1835 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1836 free(Encoded), Encoded = ptr;
1838 i--; /* do it once more with properly lengthened buffer */
1841 for (i = 0; i < nColons; i++)
1842 source[--AddrPtr[i]] = ',';
1853 /* If the last item in a list of recipients was truncated to a partial address,
1854 * remove it completely in order to avoid choking libSieve
1856 void sanitize_truncated_recipient(char *str)
1859 if (num_tokens(str, ',') < 2) return;
1861 int len = strlen(str);
1862 if (len < 900) return;
1863 if (len > 998) str[998] = 0;
1865 char *cptr = strrchr(str, ',');
1868 char *lptr = strchr(cptr, '<');
1869 char *rptr = strchr(cptr, '>');
1871 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1877 void OutputCtdlMsgHeaders(
1878 struct CtdlMessage *TheMessage,
1879 int do_proto) /* do Citadel protocol responses? */
1885 char display_name[256];
1887 /* begin header processing loop for Citadel message format */
1888 safestrncpy(display_name, "<unknown>", sizeof display_name);
1889 if (TheMessage->cm_fields['A']) {
1890 strcpy(buf, TheMessage->cm_fields['A']);
1891 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1892 safestrncpy(display_name, "****", sizeof display_name);
1894 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1895 safestrncpy(display_name, "anonymous", sizeof display_name);
1898 safestrncpy(display_name, buf, sizeof display_name);
1900 if ((is_room_aide())
1901 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1902 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1903 size_t tmp = strlen(display_name);
1904 snprintf(&display_name[tmp],
1905 sizeof display_name - tmp,
1910 /* Don't show Internet address for users on the
1911 * local Citadel network.
1914 if (TheMessage->cm_fields['N'] != NULL)
1915 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1916 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1920 /* Now spew the header fields in the order we like them. */
1921 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1922 for (i=0; i<n; ++i) {
1923 k = (int) allkeys[i];
1925 if ( (TheMessage->cm_fields[k] != NULL)
1926 && (msgkeys[k] != NULL) ) {
1927 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1928 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1931 if (do_proto) cprintf("%s=%s\n",
1935 else if ((k == 'F') && (suppress_f)) {
1938 /* Masquerade display name if needed */
1940 if (do_proto) cprintf("%s=%s\n",
1942 TheMessage->cm_fields[k]
1951 void OutputRFC822MsgHeaders(
1952 struct CtdlMessage *TheMessage,
1953 int flags, /* should the bessage be exported clean */
1955 char *mid, long sizeof_mid,
1956 char *suser, long sizeof_suser,
1957 char *luser, long sizeof_luser,
1958 char *fuser, long sizeof_fuser,
1959 char *snode, long sizeof_snode)
1961 char datestamp[100];
1962 int subject_found = 0;
1969 for (i = 0; i < 256; ++i) {
1970 if (TheMessage->cm_fields[i]) {
1971 mptr = mpptr = TheMessage->cm_fields[i];
1974 safestrncpy(luser, mptr, sizeof_luser);
1975 safestrncpy(suser, mptr, sizeof_suser);
1977 else if (i == 'Y') {
1978 if ((flags & QP_EADDR) != 0) {
1979 mptr = qp_encode_email_addrs(mptr);
1981 sanitize_truncated_recipient(mptr);
1982 cprintf("CC: %s%s", mptr, nl);
1984 else if (i == 'P') {
1985 cprintf("Return-Path: %s%s", mptr, nl);
1987 else if (i == 'L') {
1988 cprintf("List-ID: %s%s", mptr, nl);
1990 else if (i == 'V') {
1991 if ((flags & QP_EADDR) != 0)
1992 mptr = qp_encode_email_addrs(mptr);
1994 while ((*hptr != '\0') && isspace(*hptr))
1996 if (!IsEmptyStr(hptr))
1997 cprintf("Envelope-To: %s%s", hptr, nl);
1999 else if (i == 'U') {
2000 cprintf("Subject: %s%s", mptr, nl);
2004 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2006 safestrncpy(fuser, mptr, sizeof_fuser);
2007 /* else if (i == 'O')
2008 cprintf("X-Citadel-Room: %s%s",
2011 safestrncpy(snode, mptr, sizeof_snode);
2014 if (haschar(mptr, '@') == 0)
2016 sanitize_truncated_recipient(mptr);
2017 cprintf("To: %s@%s", mptr, config.c_fqdn);
2022 if ((flags & QP_EADDR) != 0) {
2023 mptr = qp_encode_email_addrs(mptr);
2025 sanitize_truncated_recipient(mptr);
2026 cprintf("To: %s", mptr);
2030 else if (i == 'T') {
2031 datestring(datestamp, sizeof datestamp,
2032 atol(mptr), DATESTRING_RFC822);
2033 cprintf("Date: %s%s", datestamp, nl);
2035 else if (i == 'W') {
2036 cprintf("References: ");
2037 k = num_tokens(mptr, '|');
2038 for (j=0; j<k; ++j) {
2039 extract_token(buf, mptr, j, '|', sizeof buf);
2040 cprintf("<%s>", buf);
2049 else if (i == 'K') {
2051 while ((*hptr != '\0') && isspace(*hptr))
2053 if (!IsEmptyStr(hptr))
2054 cprintf("Reply-To: %s%s", mptr, nl);
2060 if (subject_found == 0) {
2061 cprintf("Subject: (no subject)%s", nl);
2066 void Dump_RFC822HeadersBody(
2067 struct CtdlMessage *TheMessage,
2068 int headers_only, /* eschew the message body? */
2069 int flags, /* should the bessage be exported clean? */
2073 cit_uint8_t prev_ch;
2075 const char *StartOfText = StrBufNOTNULL;
2078 int nllen = strlen(nl);
2081 mptr = TheMessage->cm_fields['M'];
2085 while (*mptr != '\0') {
2086 if (*mptr == '\r') {
2093 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2095 eoh = *(mptr+1) == '\n';
2099 StartOfText = strchr(StartOfText, '\n');
2100 StartOfText = strchr(StartOfText, '\n');
2103 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2104 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2105 ((headers_only != HEADERS_NONE) &&
2106 (headers_only != HEADERS_ONLY))
2108 if (*mptr == '\n') {
2109 memcpy(&outbuf[outlen], nl, nllen);
2111 outbuf[outlen] = '\0';
2114 outbuf[outlen++] = *mptr;
2118 if (flags & ESC_DOT)
2120 if ((prev_ch == '\n') &&
2122 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2124 outbuf[outlen++] = '.';
2129 if (outlen > 1000) {
2130 if (client_write(outbuf, outlen) == -1)
2132 syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2139 client_write(outbuf, outlen);
2146 /* If the format type on disk is 1 (fixed-format), then we want
2147 * everything to be output completely literally ... regardless of
2148 * what message transfer format is in use.
2150 void DumpFormatFixed(
2151 struct CtdlMessage *TheMessage,
2152 int mode, /* how would you like that message? */
2159 int nllen = strlen (nl);
2162 mptr = TheMessage->cm_fields['M'];
2164 if (mode == MT_MIME) {
2165 cprintf("Content-type: text/plain\n\n");
2169 while (ch = *mptr++, ch > 0) {
2173 if ((buflen > 250) && (!xlline)){
2177 while ((buflen > 0) &&
2178 (!isspace(buf[buflen])))
2184 mptr -= tbuflen - buflen;
2189 /* if we reach the outer bounds of our buffer,
2190 abort without respect what whe purge. */
2193 (buflen > SIZ - nllen - 2)))
2197 memcpy (&buf[buflen], nl, nllen);
2201 if (client_write(buf, buflen) == -1)
2203 syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2215 if (!IsEmptyStr(buf))
2216 cprintf("%s%s", buf, nl);
2220 * Get a message off disk. (returns om_* values found in msgbase.h)
2222 int CtdlOutputPreLoadedMsg(
2223 struct CtdlMessage *TheMessage,
2224 int mode, /* how would you like that message? */
2225 int headers_only, /* eschew the message body? */
2226 int do_proto, /* do Citadel protocol responses? */
2227 int crlf, /* Use CRLF newlines instead of LF? */
2228 int flags /* should the bessage be exported clean? */
2232 const char *nl; /* newline string */
2235 /* Buffers needed for RFC822 translation. These are all filled
2236 * using functions that are bounds-checked, and therefore we can
2237 * make them substantially smaller than SIZ.
2245 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2246 ((TheMessage == NULL) ? "NULL" : "not null"),
2247 mode, headers_only, do_proto, crlf);
2249 strcpy(mid, "unknown");
2250 nl = (crlf ? "\r\n" : "\n");
2252 if (!is_valid_message(TheMessage)) {
2254 "ERROR: invalid preloaded message for output\n");
2256 return(om_no_such_msg);
2259 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2260 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2262 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2263 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2266 /* Are we downloading a MIME component? */
2267 if (mode == MT_DOWNLOAD) {
2268 if (TheMessage->cm_format_type != FMT_RFC822) {
2270 cprintf("%d This is not a MIME message.\n",
2271 ERROR + ILLEGAL_VALUE);
2272 } else if (CC->download_fp != NULL) {
2273 if (do_proto) cprintf(
2274 "%d You already have a download open.\n",
2275 ERROR + RESOURCE_BUSY);
2277 /* Parse the message text component */
2278 mptr = TheMessage->cm_fields['M'];
2279 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2280 /* If there's no file open by this time, the requested
2281 * section wasn't found, so print an error
2283 if (CC->download_fp == NULL) {
2284 if (do_proto) cprintf(
2285 "%d Section %s not found.\n",
2286 ERROR + FILE_NOT_FOUND,
2287 CC->download_desired_section);
2290 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2293 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2294 * in a single server operation instead of opening a download file.
2296 if (mode == MT_SPEW_SECTION) {
2297 if (TheMessage->cm_format_type != FMT_RFC822) {
2299 cprintf("%d This is not a MIME message.\n",
2300 ERROR + ILLEGAL_VALUE);
2302 /* Parse the message text component */
2305 mptr = TheMessage->cm_fields['M'];
2306 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2307 /* If section wasn't found, print an error
2310 if (do_proto) cprintf(
2311 "%d Section %s not found.\n",
2312 ERROR + FILE_NOT_FOUND,
2313 CC->download_desired_section);
2316 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2319 /* now for the user-mode message reading loops */
2320 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2322 /* Does the caller want to skip the headers? */
2323 if (headers_only == HEADERS_NONE) goto START_TEXT;
2325 /* Tell the client which format type we're using. */
2326 if ( (mode == MT_CITADEL) && (do_proto) ) {
2327 cprintf("type=%d\n", TheMessage->cm_format_type);
2330 /* nhdr=yes means that we're only displaying headers, no body */
2331 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2332 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2335 cprintf("nhdr=yes\n");
2338 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2339 OutputCtdlMsgHeaders(TheMessage, do_proto);
2342 /* begin header processing loop for RFC822 transfer format */
2346 strcpy(snode, NODENAME);
2347 if (mode == MT_RFC822)
2348 OutputRFC822MsgHeaders(
2353 suser, sizeof(suser),
2354 luser, sizeof(luser),
2355 fuser, sizeof(fuser),
2356 snode, sizeof(snode)
2360 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2361 suser[i] = tolower(suser[i]);
2362 if (!isalnum(suser[i])) suser[i]='_';
2365 if (mode == MT_RFC822) {
2366 if (!strcasecmp(snode, NODENAME)) {
2367 safestrncpy(snode, FQDN, sizeof snode);
2370 /* Construct a fun message id */
2371 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2372 if (strchr(mid, '@')==NULL) {
2373 cprintf("@%s", snode);
2377 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2378 cprintf("From: \"----\" <x@x.org>%s", nl);
2380 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2381 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2383 else if (!IsEmptyStr(fuser)) {
2384 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2387 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2390 /* Blank line signifying RFC822 end-of-headers */
2391 if (TheMessage->cm_format_type != FMT_RFC822) {
2396 /* end header processing loop ... at this point, we're in the text */
2398 if (headers_only == HEADERS_FAST) goto DONE;
2400 /* Tell the client about the MIME parts in this message */
2401 if (TheMessage->cm_format_type == FMT_RFC822) {
2402 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2403 mptr = TheMessage->cm_fields['M'];
2404 memset(&ma, 0, sizeof(struct ma_info));
2405 mime_parser(mptr, NULL,
2406 (do_proto ? *list_this_part : NULL),
2407 (do_proto ? *list_this_pref : NULL),
2408 (do_proto ? *list_this_suff : NULL),
2411 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2412 Dump_RFC822HeadersBody(
2421 if (headers_only == HEADERS_ONLY) {
2425 /* signify start of msg text */
2426 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2427 if (do_proto) cprintf("text\n");
2430 if (TheMessage->cm_format_type == FMT_FIXED)
2433 mode, /* how would you like that message? */
2436 /* If the message on disk is format 0 (Citadel vari-format), we
2437 * output using the formatter at 80 columns. This is the final output
2438 * form if the transfer format is RFC822, but if the transfer format
2439 * is Citadel proprietary, it'll still work, because the indentation
2440 * for new paragraphs is correct and the client will reformat the
2441 * message to the reader's screen width.
2443 if (TheMessage->cm_format_type == FMT_CITADEL) {
2444 mptr = TheMessage->cm_fields['M'];
2446 if (mode == MT_MIME) {
2447 cprintf("Content-type: text/x-citadel-variformat\n\n");
2452 /* If the message on disk is format 4 (MIME), we've gotta hand it
2453 * off to the MIME parser. The client has already been told that
2454 * this message is format 1 (fixed format), so the callback function
2455 * we use will display those parts as-is.
2457 if (TheMessage->cm_format_type == FMT_RFC822) {
2458 memset(&ma, 0, sizeof(struct ma_info));
2460 if (mode == MT_MIME) {
2461 ma.use_fo_hooks = 0;
2462 strcpy(ma.chosen_part, "1");
2463 ma.chosen_pref = 9999;
2464 ma.dont_decode = CC->msg4_dont_decode;
2465 mime_parser(mptr, NULL,
2466 *choose_preferred, *fixed_output_pre,
2467 *fixed_output_post, (void *)&ma, 1);
2468 mime_parser(mptr, NULL,
2469 *output_preferred, NULL, NULL, (void *)&ma, 1);
2472 ma.use_fo_hooks = 1;
2473 mime_parser(mptr, NULL,
2474 *fixed_output, *fixed_output_pre,
2475 *fixed_output_post, (void *)&ma, 0);
2480 DONE: /* now we're done */
2481 if (do_proto) cprintf("000\n");
2487 * display a message (mode 0 - Citadel proprietary)
2489 void cmd_msg0(char *cmdbuf)
2492 int headers_only = HEADERS_ALL;
2494 msgid = extract_long(cmdbuf, 0);
2495 headers_only = extract_int(cmdbuf, 1);
2497 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2503 * display a message (mode 2 - RFC822)
2505 void cmd_msg2(char *cmdbuf)
2508 int headers_only = HEADERS_ALL;
2510 msgid = extract_long(cmdbuf, 0);
2511 headers_only = extract_int(cmdbuf, 1);
2513 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2519 * display a message (mode 3 - IGnet raw format - internal programs only)
2521 void cmd_msg3(char *cmdbuf)
2524 struct CtdlMessage *msg = NULL;
2527 if (CC->internal_pgm == 0) {
2528 cprintf("%d This command is for internal programs only.\n",
2529 ERROR + HIGHER_ACCESS_REQUIRED);
2533 msgnum = extract_long(cmdbuf, 0);
2534 msg = CtdlFetchMessage(msgnum, 1);
2536 cprintf("%d Message %ld not found.\n",
2537 ERROR + MESSAGE_NOT_FOUND, msgnum);
2541 serialize_message(&smr, msg);
2542 CtdlFreeMessage(msg);
2545 cprintf("%d Unable to serialize message\n",
2546 ERROR + INTERNAL_ERROR);
2550 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2551 client_write((char *)smr.ser, (int)smr.len);
2558 * Display a message using MIME content types
2560 void cmd_msg4(char *cmdbuf)
2565 msgid = extract_long(cmdbuf, 0);
2566 extract_token(section, cmdbuf, 1, '|', sizeof section);
2567 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2573 * Client tells us its preferred message format(s)
2575 void cmd_msgp(char *cmdbuf)
2577 if (!strcasecmp(cmdbuf, "dont_decode")) {
2578 CC->msg4_dont_decode = 1;
2579 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2582 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2583 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2589 * Open a component of a MIME message as a download file
2591 void cmd_opna(char *cmdbuf)
2594 char desired_section[128];
2596 msgid = extract_long(cmdbuf, 0);
2597 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2598 safestrncpy(CC->download_desired_section, desired_section,
2599 sizeof CC->download_desired_section);
2600 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2605 * Open a component of a MIME message and transmit it all at once
2607 void cmd_dlat(char *cmdbuf)
2610 char desired_section[128];
2612 msgid = extract_long(cmdbuf, 0);
2613 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2614 safestrncpy(CC->download_desired_section, desired_section,
2615 sizeof CC->download_desired_section);
2616 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2621 * Save one or more message pointers into a specified room
2622 * (Returns 0 for success, nonzero for failure)
2623 * roomname may be NULL to use the current room
2625 * Note that the 'supplied_msg' field may be set to NULL, in which case
2626 * the message will be fetched from disk, by number, if we need to perform
2627 * replication checks. This adds an additional database read, so if the
2628 * caller already has the message in memory then it should be supplied. (Obviously
2629 * this mode of operation only works if we're saving a single message.)
2631 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2632 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2635 char hold_rm[ROOMNAMELEN];
2636 struct cdbdata *cdbfr;
2639 long highest_msg = 0L;
2642 struct CtdlMessage *msg = NULL;
2644 long *msgs_to_be_merged = NULL;
2645 int num_msgs_to_be_merged = 0;
2648 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2649 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2652 strcpy(hold_rm, CC->room.QRname);
2655 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2656 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2657 if (num_newmsgs > 1) supplied_msg = NULL;
2659 /* Now the regular stuff */
2660 if (CtdlGetRoomLock(&CC->room,
2661 ((roomname != NULL) ? roomname : CC->room.QRname) )
2663 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2664 return(ERROR + ROOM_NOT_FOUND);
2668 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2669 num_msgs_to_be_merged = 0;
2672 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2673 if (cdbfr == NULL) {
2677 msglist = (long *) cdbfr->ptr;
2678 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2679 num_msgs = cdbfr->len / sizeof(long);
2684 /* Create a list of msgid's which were supplied by the caller, but do
2685 * not already exist in the target room. It is absolutely taboo to
2686 * have more than one reference to the same message in a room.
2688 for (i=0; i<num_newmsgs; ++i) {
2690 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2691 if (msglist[j] == newmsgidlist[i]) {
2696 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2700 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2703 * Now merge the new messages
2705 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2706 if (msglist == NULL) {
2707 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2709 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2710 num_msgs += num_msgs_to_be_merged;
2712 /* Sort the message list, so all the msgid's are in order */
2713 num_msgs = sort_msglist(msglist, num_msgs);
2715 /* Determine the highest message number */
2716 highest_msg = msglist[num_msgs - 1];
2718 /* Write it back to disk. */
2719 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2720 msglist, (int)(num_msgs * sizeof(long)));
2722 /* Free up the memory we used. */
2725 /* Update the highest-message pointer and unlock the room. */
2726 CC->room.QRhighest = highest_msg;
2727 CtdlPutRoomLock(&CC->room);
2729 /* Perform replication checks if necessary */
2730 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2731 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2733 for (i=0; i<num_msgs_to_be_merged; ++i) {
2734 msgid = msgs_to_be_merged[i];
2736 if (supplied_msg != NULL) {
2740 msg = CtdlFetchMessage(msgid, 0);
2744 ReplicationChecks(msg);
2746 /* If the message has an Exclusive ID, index that... */
2747 if (msg->cm_fields['E'] != NULL) {
2748 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2751 /* Free up the memory we may have allocated */
2752 if (msg != supplied_msg) {
2753 CtdlFreeMessage(msg);
2761 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2764 /* Submit this room for processing by hooks */
2765 PerformRoomHooks(&CC->room);
2767 /* Go back to the room we were in before we wandered here... */
2768 CtdlGetRoom(&CC->room, hold_rm);
2770 /* Bump the reference count for all messages which were merged */
2771 if (!suppress_refcount_adj) {
2772 for (i=0; i<num_msgs_to_be_merged; ++i) {
2773 AdjRefCount(msgs_to_be_merged[i], +1);
2777 /* Free up memory... */
2778 if (msgs_to_be_merged != NULL) {
2779 free(msgs_to_be_merged);
2782 /* Return success. */
2788 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2791 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2792 int do_repl_check, struct CtdlMessage *supplied_msg)
2794 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2801 * Message base operation to save a new message to the message store
2802 * (returns new message number)
2804 * This is the back end for CtdlSubmitMsg() and should not be directly
2805 * called by server-side modules.
2808 long send_message(struct CtdlMessage *msg) {
2816 /* Get a new message number */
2817 newmsgid = get_new_message_number();
2818 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2819 (long unsigned int) time(NULL),
2820 (long unsigned int) newmsgid,
2824 /* Generate an ID if we don't have one already */
2825 if (msg->cm_fields['I']==NULL) {
2826 msg->cm_fields['I'] = strdup(msgidbuf);
2829 /* If the message is big, set its body aside for storage elsewhere */
2830 if (msg->cm_fields['M'] != NULL) {
2831 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2833 holdM = msg->cm_fields['M'];
2834 msg->cm_fields['M'] = NULL;
2838 /* Serialize our data structure for storage in the database */
2839 serialize_message(&smr, msg);
2842 msg->cm_fields['M'] = holdM;
2846 cprintf("%d Unable to serialize message\n",
2847 ERROR + INTERNAL_ERROR);
2851 /* Write our little bundle of joy into the message base */
2852 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2853 smr.ser, smr.len) < 0) {
2854 syslog(LOG_ERR, "Can't store message\n");
2858 cdb_store(CDB_BIGMSGS,
2868 /* Free the memory we used for the serialized message */
2871 /* Return the *local* message ID to the caller
2872 * (even if we're storing an incoming network message)
2880 * Serialize a struct CtdlMessage into the format used on disk and network.
2882 * This function loads up a "struct ser_ret" (defined in server.h) which
2883 * contains the length of the serialized message and a pointer to the
2884 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2886 void serialize_message(struct ser_ret *ret, /* return values */
2887 struct CtdlMessage *msg) /* unserialized msg */
2889 size_t wlen, fieldlen;
2891 static char *forder = FORDER;
2894 * Check for valid message format
2896 if (is_valid_message(msg) == 0) {
2897 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2904 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2905 ret->len = ret->len +
2906 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2908 ret->ser = malloc(ret->len);
2909 if (ret->ser == NULL) {
2910 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2911 (long)ret->len, strerror(errno));
2918 ret->ser[1] = msg->cm_anon_type;
2919 ret->ser[2] = msg->cm_format_type;
2922 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2923 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2924 ret->ser[wlen++] = (char)forder[i];
2925 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2926 wlen = wlen + fieldlen + 1;
2928 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2929 (long)ret->len, (long)wlen);
2936 * Serialize a struct CtdlMessage into the format used on disk and network.
2938 * This function loads up a "struct ser_ret" (defined in server.h) which
2939 * contains the length of the serialized message and a pointer to the
2940 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2942 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2943 long Siz) /* how many chars ? */
2946 static char *forder = FORDER;
2950 * Check for valid message format
2952 if (is_valid_message(msg) == 0) {
2953 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2957 buf = (char*) malloc (Siz + 1);
2959 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2960 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2961 msg->cm_fields[(int)forder[i]]);
2962 if (client_write (buf, strlen(buf)) == -1)
2964 syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
2975 * Check to see if any messages already exist in the current room which
2976 * carry the same Exclusive ID as this one. If any are found, delete them.
2978 void ReplicationChecks(struct CtdlMessage *msg) {
2979 long old_msgnum = (-1L);
2981 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2983 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2986 /* No exclusive id? Don't do anything. */
2987 if (msg == NULL) return;
2988 if (msg->cm_fields['E'] == NULL) return;
2989 if (IsEmptyStr(msg->cm_fields['E'])) return;
2990 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2991 msg->cm_fields['E'], CC->room.QRname);*/
2993 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2994 if (old_msgnum > 0L) {
2995 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2996 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
3003 * Save a message to disk and submit it into the delivery system.
3005 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3006 struct recptypes *recps, /* recipients (if mail) */
3007 const char *force, /* force a particular room? */
3008 int flags /* should the message be exported clean? */
3011 char submit_filename[128];
3012 char generated_timestamp[32];
3013 char hold_rm[ROOMNAMELEN];
3014 char actual_rm[ROOMNAMELEN];
3015 char force_room[ROOMNAMELEN];
3016 char content_type[SIZ]; /* We have to learn this */
3017 char recipient[SIZ];
3019 const char *mptr = NULL;
3020 struct ctdluser userbuf;
3022 struct MetaData smi;
3023 FILE *network_fp = NULL;
3024 static int seqnum = 1;
3025 struct CtdlMessage *imsg = NULL;
3027 size_t instr_alloc = 0;
3029 char *hold_R, *hold_D;
3030 char *collected_addresses = NULL;
3031 struct addresses_to_be_filed *aptr = NULL;
3032 StrBuf *saved_rfc822_version = NULL;
3033 int qualified_for_journaling = 0;
3034 CitContext *CCC = MyContext();
3035 char bounce_to[1024] = "";
3039 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3040 if (is_valid_message(msg) == 0) return(-1); /* self check */
3042 /* If this message has no timestamp, we take the liberty of
3043 * giving it one, right now.
3045 if (msg->cm_fields['T'] == NULL) {
3046 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3047 msg->cm_fields['T'] = strdup(generated_timestamp);
3050 /* If this message has no path, we generate one.
3052 if (msg->cm_fields['P'] == NULL) {
3053 if (msg->cm_fields['A'] != NULL) {
3054 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3055 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3056 if (isspace(msg->cm_fields['P'][a])) {
3057 msg->cm_fields['P'][a] = ' ';
3062 msg->cm_fields['P'] = strdup("unknown");
3066 if (force == NULL) {
3067 strcpy(force_room, "");
3070 strcpy(force_room, force);
3073 /* Learn about what's inside, because it's what's inside that counts */
3074 if (msg->cm_fields['M'] == NULL) {
3075 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3079 switch (msg->cm_format_type) {
3081 strcpy(content_type, "text/x-citadel-variformat");
3084 strcpy(content_type, "text/plain");
3087 strcpy(content_type, "text/plain");
3088 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3091 safestrncpy(content_type, &mptr[13], sizeof content_type);
3092 striplt(content_type);
3093 aptr = content_type;
3094 while (!IsEmptyStr(aptr)) {
3106 /* Goto the correct room */
3107 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3108 strcpy(hold_rm, CCC->room.QRname);
3109 strcpy(actual_rm, CCC->room.QRname);
3110 if (recps != NULL) {
3111 strcpy(actual_rm, SENTITEMS);
3114 /* If the user is a twit, move to the twit room for posting */
3116 if (CCC->user.axlevel == AxProbU) {
3117 strcpy(hold_rm, actual_rm);
3118 strcpy(actual_rm, config.c_twitroom);
3119 syslog(LOG_DEBUG, "Diverting to twit room\n");
3123 /* ...or if this message is destined for Aide> then go there. */
3124 if (!IsEmptyStr(force_room)) {
3125 strcpy(actual_rm, force_room);
3128 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3129 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3130 /* CtdlGetRoom(&CCC->room, actual_rm); */
3131 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3135 * If this message has no O (room) field, generate one.
3137 if (msg->cm_fields['O'] == NULL) {
3138 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3141 /* Perform "before save" hooks (aborting if any return nonzero) */
3142 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3143 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3146 * If this message has an Exclusive ID, and the room is replication
3147 * checking enabled, then do replication checks.
3149 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3150 ReplicationChecks(msg);
3153 /* Save it to disk */
3154 syslog(LOG_DEBUG, "Saving to disk\n");
3155 newmsgid = send_message(msg);
3156 if (newmsgid <= 0L) return(-5);
3158 /* Write a supplemental message info record. This doesn't have to
3159 * be a critical section because nobody else knows about this message
3162 syslog(LOG_DEBUG, "Creating MetaData record\n");
3163 memset(&smi, 0, sizeof(struct MetaData));
3164 smi.meta_msgnum = newmsgid;
3165 smi.meta_refcount = 0;
3166 safestrncpy(smi.meta_content_type, content_type,
3167 sizeof smi.meta_content_type);
3170 * Measure how big this message will be when rendered as RFC822.
3171 * We do this for two reasons:
3172 * 1. We need the RFC822 length for the new metadata record, so the
3173 * POP and IMAP services don't have to calculate message lengths
3174 * while the user is waiting (multiplied by potentially hundreds
3175 * or thousands of messages).
3176 * 2. If journaling is enabled, we will need an RFC822 version of the
3177 * message to attach to the journalized copy.
3179 if (CCC->redirect_buffer != NULL) {
3180 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3183 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3184 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3185 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3186 saved_rfc822_version = CCC->redirect_buffer;
3187 CCC->redirect_buffer = NULL;
3191 /* Now figure out where to store the pointers */
3192 syslog(LOG_DEBUG, "Storing pointers\n");
3194 /* If this is being done by the networker delivering a private
3195 * message, we want to BYPASS saving the sender's copy (because there
3196 * is no local sender; it would otherwise go to the Trashcan).
3198 if ((!CCC->internal_pgm) || (recps == NULL)) {
3199 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3200 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3201 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3205 /* For internet mail, drop a copy in the outbound queue room */
3206 if ((recps != NULL) && (recps->num_internet > 0)) {
3207 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3210 /* If other rooms are specified, drop them there too. */
3211 if ((recps != NULL) && (recps->num_room > 0))
3212 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3213 extract_token(recipient, recps->recp_room, i,
3214 '|', sizeof recipient);
3215 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3216 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3219 /* Bump this user's messages posted counter. */
3220 syslog(LOG_DEBUG, "Updating user\n");
3221 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3222 CCC->user.posted = CCC->user.posted + 1;
3223 CtdlPutUserLock(&CCC->user);
3225 /* Decide where bounces need to be delivered */
3226 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3227 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3229 else if (CCC->logged_in) {
3230 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3233 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3236 /* If this is private, local mail, make a copy in the
3237 * recipient's mailbox and bump the reference count.
3239 if ((recps != NULL) && (recps->num_local > 0))
3240 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3241 extract_token(recipient, recps->recp_local, i,
3242 '|', sizeof recipient);
3243 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3245 if (CtdlGetUser(&userbuf, recipient) == 0) {
3246 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3247 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3248 CtdlBumpNewMailCounter(userbuf.usernum);
3249 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3250 /* Generate a instruction message for the Funambol notification
3251 * server, in the same style as the SMTP queue
3254 instr = malloc(instr_alloc);
3255 snprintf(instr, instr_alloc,
3256 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3258 SPOOLMIME, newmsgid, (long)time(NULL),
3262 imsg = malloc(sizeof(struct CtdlMessage));
3263 memset(imsg, 0, sizeof(struct CtdlMessage));
3264 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3265 imsg->cm_anon_type = MES_NORMAL;
3266 imsg->cm_format_type = FMT_RFC822;
3267 imsg->cm_fields['A'] = strdup("Citadel");
3268 imsg->cm_fields['J'] = strdup("do not journal");
3269 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3270 imsg->cm_fields['2'] = strdup(recipient);
3271 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3272 CtdlFreeMessage(imsg);
3276 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3277 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3281 /* Perform "after save" hooks */
3282 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3283 if (msg->cm_fields['3'] != NULL) free(msg->cm_fields['3']);
3284 msg->cm_fields['3'] = malloc(20);
3285 snprintf(msg->cm_fields['3'], 20, "%ld", newmsgid);
3286 PerformMessageHooks(msg, EVT_AFTERSAVE);
3287 free(msg->cm_fields['3']);
3288 msg->cm_fields['3'] = NULL;
3290 /* For IGnet mail, we have to save a new copy into the spooler for
3291 * each recipient, with the R and D fields set to the recipient and
3292 * destination-node. This has two ugly side effects: all other
3293 * recipients end up being unlisted in this recipient's copy of the
3294 * message, and it has to deliver multiple messages to the same
3295 * node. We'll revisit this again in a year or so when everyone has
3296 * a network spool receiver that can handle the new style messages.
3298 if ((recps != NULL) && (recps->num_ignet > 0))
3299 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3300 extract_token(recipient, recps->recp_ignet, i,
3301 '|', sizeof recipient);
3303 hold_R = msg->cm_fields['R'];
3304 hold_D = msg->cm_fields['D'];
3305 msg->cm_fields['R'] = malloc(SIZ);
3306 msg->cm_fields['D'] = malloc(128);
3307 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3308 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3310 serialize_message(&smr, msg);
3312 snprintf(submit_filename, sizeof submit_filename,
3313 "%s/netmail.%04lx.%04x.%04x",
3315 (long) getpid(), CCC->cs_pid, ++seqnum);
3316 network_fp = fopen(submit_filename, "wb+");
3317 if (network_fp != NULL) {
3318 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3320 syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n",
3328 free(msg->cm_fields['R']);
3329 free(msg->cm_fields['D']);
3330 msg->cm_fields['R'] = hold_R;
3331 msg->cm_fields['D'] = hold_D;
3334 /* Go back to the room we started from */
3335 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3336 if (strcasecmp(hold_rm, CCC->room.QRname))
3337 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3339 /* For internet mail, generate delivery instructions.
3340 * Yes, this is recursive. Deal with it. Infinite recursion does
3341 * not happen because the delivery instructions message does not
3342 * contain a recipient.
3344 if ((recps != NULL) && (recps->num_internet > 0)) {
3345 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3347 instr = malloc(instr_alloc);
3348 snprintf(instr, instr_alloc,
3349 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3351 SPOOLMIME, newmsgid, (long)time(NULL),
3355 if (recps->envelope_from != NULL) {
3356 tmp = strlen(instr);
3357 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3360 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3361 tmp = strlen(instr);
3362 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3363 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3364 instr_alloc = instr_alloc * 2;
3365 instr = realloc(instr, instr_alloc);
3367 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3370 imsg = malloc(sizeof(struct CtdlMessage));
3371 memset(imsg, 0, sizeof(struct CtdlMessage));
3372 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3373 imsg->cm_anon_type = MES_NORMAL;
3374 imsg->cm_format_type = FMT_RFC822;
3375 imsg->cm_fields['A'] = strdup("Citadel");
3376 imsg->cm_fields['J'] = strdup("do not journal");
3377 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3378 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3379 CtdlFreeMessage(imsg);
3383 * Any addresses to harvest for someone's address book?
3385 if ( (CCC->logged_in) && (recps != NULL) ) {
3386 collected_addresses = harvest_collected_addresses(msg);
3389 if (collected_addresses != NULL) {
3390 aptr = (struct addresses_to_be_filed *)
3391 malloc(sizeof(struct addresses_to_be_filed));
3392 CtdlMailboxName(actual_rm, sizeof actual_rm,
3393 &CCC->user, USERCONTACTSROOM);
3394 aptr->roomname = strdup(actual_rm);
3395 aptr->collected_addresses = collected_addresses;
3396 begin_critical_section(S_ATBF);
3399 end_critical_section(S_ATBF);
3403 * Determine whether this message qualifies for journaling.
3405 if (msg->cm_fields['J'] != NULL) {
3406 qualified_for_journaling = 0;
3409 if (recps == NULL) {
3410 qualified_for_journaling = config.c_journal_pubmsgs;
3412 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3413 qualified_for_journaling = config.c_journal_email;
3416 qualified_for_journaling = config.c_journal_pubmsgs;
3421 * Do we have to perform journaling? If so, hand off the saved
3422 * RFC822 version will be handed off to the journaler for background
3423 * submit. Otherwise, we have to free the memory ourselves.
3425 if (saved_rfc822_version != NULL) {
3426 if (qualified_for_journaling) {
3427 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3430 FreeStrBuf(&saved_rfc822_version);
3440 void aide_message (char *text, char *subject)
3442 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3447 * Convenience function for generating small administrative messages.
3449 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3450 int format_type, const char *subject)
3452 struct CtdlMessage *msg;
3453 struct recptypes *recp = NULL;
3455 msg = malloc(sizeof(struct CtdlMessage));
3456 memset(msg, 0, sizeof(struct CtdlMessage));
3457 msg->cm_magic = CTDLMESSAGE_MAGIC;
3458 msg->cm_anon_type = MES_NORMAL;
3459 msg->cm_format_type = format_type;
3462 msg->cm_fields['A'] = strdup(from);
3464 else if (fromaddr != NULL) {
3465 msg->cm_fields['A'] = strdup(fromaddr);
3466 if (strchr(msg->cm_fields['A'], '@')) {
3467 *strchr(msg->cm_fields['A'], '@') = 0;
3471 msg->cm_fields['A'] = strdup("Citadel");
3474 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3475 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3476 msg->cm_fields['N'] = strdup(NODENAME);
3478 msg->cm_fields['R'] = strdup(to);
3479 recp = validate_recipients(to, NULL, 0);
3481 if (subject != NULL) {
3482 msg->cm_fields['U'] = strdup(subject);
3484 msg->cm_fields['M'] = strdup(text);
3486 CtdlSubmitMsg(msg, recp, room, 0);
3487 CtdlFreeMessage(msg);
3488 if (recp != NULL) free_recipients(recp);
3494 * Back end function used by CtdlMakeMessage() and similar functions
3496 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3498 size_t maxlen, /* maximum message length */
3499 char *exist, /* if non-null, append to it;
3500 exist is ALWAYS freed */
3501 int crlf, /* CRLF newlines instead of LF */
3502 int *sock /* socket handle or 0 for this session's client socket */
3511 LineBuf = NewStrBufPlain(NULL, SIZ);
3512 if (exist == NULL) {
3513 Message = NewStrBufPlain(NULL, 4 * SIZ);
3516 Message = NewStrBufPlain(exist, -1);
3520 /* Do we need to change leading ".." to "." for SMTP escaping? */
3521 if ((tlen == 1) && (*terminator == '.')) {
3525 /* read in the lines of message text one by one */
3528 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3533 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3535 if ((StrLength(LineBuf) == tlen) &&
3536 (!strcmp(ChrPtr(LineBuf), terminator)))
3539 if ( (!flushing) && (!finished) ) {
3541 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3544 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3547 /* Unescape SMTP-style input of two dots at the beginning of the line */
3549 (StrLength(LineBuf) == 2) &&
3550 (!strcmp(ChrPtr(LineBuf), "..")))
3552 StrBufCutLeft(LineBuf, 1);
3555 StrBufAppendBuf(Message, LineBuf, 0);
3558 /* if we've hit the max msg length, flush the rest */
3559 if (StrLength(Message) >= maxlen) flushing = 1;
3561 } while (!finished);
3562 FreeStrBuf(&LineBuf);
3566 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3570 FreeStrBuf(&(*Msg)->MsgBuf);
3576 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3578 size_t maxlen, /* maximum message length */
3579 size_t expectlen, /* if we expect a message, how long should it be? */
3580 char *exist, /* if non-null, append to it;
3581 exist is ALWAYS freed */
3582 long eLen, /* length of exist */
3583 int crlf /* CRLF newlines instead of LF */
3586 ReadAsyncMsg *NewMsg;
3588 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3589 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3591 if (exist == NULL) {
3594 if (expectlen == 0) {
3598 len = expectlen + 10;
3600 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3603 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3606 /* Do we need to change leading ".." to "." for SMTP escaping? */
3607 if ((tlen == 1) && (*terminator == '.')) {
3611 NewMsg->terminator = terminator;
3612 NewMsg->tlen = tlen;
3614 NewMsg->maxlen = maxlen;
3616 NewMsg->crlf = crlf;
3622 * Back end function used by CtdlMakeMessage() and similar functions
3624 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3626 ReadAsyncMsg *ReadMsg;
3627 int MsgFinished = 0;
3628 eReadState Finished = eMustReadMore;
3633 const char *pch = ChrPtr(IO->SendBuf.Buf);
3634 const char *pchh = IO->SendBuf.ReadWritePointer;
3640 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3641 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3642 ((CitContext*)(IO->CitContext))->ServiceName,
3645 fd = fopen(fn, "a+");
3648 ReadMsg = IO->ReadMsg;
3650 /* read in the lines of message text one by one */
3652 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3655 case eMustReadMore: /// read new from socket...
3657 if (IO->RecvBuf.ReadWritePointer != NULL) {
3658 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3659 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3661 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3665 fprintf(fd, "BufferEmpty! \n");
3671 case eBufferNotEmpty: /* shouldn't happen... */
3672 case eReadSuccess: /// done for now...
3674 case eReadFail: /// WHUT?
3680 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3681 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3684 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3687 else if (!ReadMsg->flushing) {
3690 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3693 /* Unescape SMTP-style input of two dots at the beginning of the line */
3694 if ((ReadMsg->dodot) &&
3695 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3696 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3699 fprintf(fd, "UnEscaped!\n");
3701 StrBufCutLeft(IO->IOBuf, 1);
3704 if (ReadMsg->crlf) {
3705 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3708 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3711 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3714 /* if we've hit the max msg length, flush the rest */
3715 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3717 } while (!MsgFinished);
3720 fprintf(fd, "Done with reading; %s.\n, ",
3721 (MsgFinished)?"Message Finished": "FAILED");
3725 return eReadSuccess;
3732 * Back end function used by CtdlMakeMessage() and similar functions
3734 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3736 size_t maxlen, /* maximum message length */
3737 char *exist, /* if non-null, append to it;
3738 exist is ALWAYS freed */
3739 int crlf, /* CRLF newlines instead of LF */
3740 int *sock /* socket handle or 0 for this session's client socket */
3745 Message = CtdlReadMessageBodyBuf(terminator,
3751 if (Message == NULL)
3754 return SmashStrBuf(&Message);
3759 * Build a binary message to be saved on disk.
3760 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3761 * will become part of the message. This means you are no longer
3762 * responsible for managing that memory -- it will be freed along with
3763 * the rest of the fields when CtdlFreeMessage() is called.)
3766 struct CtdlMessage *CtdlMakeMessage(
3767 struct ctdluser *author, /* author's user structure */
3768 char *recipient, /* NULL if it's not mail */
3769 char *recp_cc, /* NULL if it's not mail */
3770 char *room, /* room where it's going */
3771 int type, /* see MES_ types in header file */
3772 int format_type, /* variformat, plain text, MIME... */
3773 char *fake_name, /* who we're masquerading as */
3774 char *my_email, /* which of my email addresses to use (empty is ok) */
3775 char *subject, /* Subject (optional) */
3776 char *supplied_euid, /* ...or NULL if this is irrelevant */
3777 char *preformatted_text, /* ...or NULL to read text from client */
3778 char *references /* Thread references */
3780 char dest_node[256];
3782 struct CtdlMessage *msg;
3784 StrBuf *FakeEncAuthor = NULL;
3786 msg = malloc(sizeof(struct CtdlMessage));
3787 memset(msg, 0, sizeof(struct CtdlMessage));
3788 msg->cm_magic = CTDLMESSAGE_MAGIC;
3789 msg->cm_anon_type = type;
3790 msg->cm_format_type = format_type;
3792 /* Don't confuse the poor folks if it's not routed mail. */
3793 strcpy(dest_node, "");
3795 if (recipient != NULL) striplt(recipient);
3796 if (recp_cc != NULL) striplt(recp_cc);
3798 /* Path or Return-Path */
3799 if (my_email == NULL) my_email = "";
3801 if (!IsEmptyStr(my_email)) {
3802 msg->cm_fields['P'] = strdup(my_email);
3805 snprintf(buf, sizeof buf, "%s", author->fullname);
3806 msg->cm_fields['P'] = strdup(buf);
3808 convert_spaces_to_underscores(msg->cm_fields['P']);
3810 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3811 msg->cm_fields['T'] = strdup(buf);
3813 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3814 FakeAuthor = NewStrBufPlain (fake_name, -1);
3817 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3819 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3820 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3821 FreeStrBuf(&FakeAuthor);
3823 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3824 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3827 msg->cm_fields['O'] = strdup(CC->room.QRname);
3830 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3831 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3833 if ((recipient != NULL) && (recipient[0] != 0)) {
3834 msg->cm_fields['R'] = strdup(recipient);
3836 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3837 msg->cm_fields['Y'] = strdup(recp_cc);
3839 if (dest_node[0] != 0) {
3840 msg->cm_fields['D'] = strdup(dest_node);
3843 if (!IsEmptyStr(my_email)) {
3844 msg->cm_fields['F'] = strdup(my_email);
3846 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3847 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3850 if (subject != NULL) {
3853 length = strlen(subject);
3859 while ((subject[i] != '\0') &&
3860 (IsAscii = isascii(subject[i]) != 0 ))
3863 msg->cm_fields['U'] = strdup(subject);
3864 else /* ok, we've got utf8 in the string. */
3866 msg->cm_fields['U'] = rfc2047encode(subject, length);
3872 if (supplied_euid != NULL) {
3873 msg->cm_fields['E'] = strdup(supplied_euid);
3876 if ((references != NULL) && (!IsEmptyStr(references))) {
3877 if (msg->cm_fields['W'] != NULL)
3878 free(msg->cm_fields['W']);
3879 msg->cm_fields['W'] = strdup(references);
3882 if (preformatted_text != NULL) {
3883 msg->cm_fields['M'] = preformatted_text;
3886 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3892 extern int netconfig_check_roomaccess(
3895 const char* RemoteIdentifier); /* TODO: find a smarter way */
3898 * Check to see whether we have permission to post a message in the current
3899 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3900 * returns 0 on success.
3902 int CtdlDoIHavePermissionToPostInThisRoom(
3905 const char* RemoteIdentifier,
3911 if (!(CC->logged_in) &&
3912 (PostPublic == POST_LOGGED_IN)) {
3913 snprintf(errmsgbuf, n, "Not logged in.");
3914 return (ERROR + NOT_LOGGED_IN);
3916 else if (PostPublic == CHECK_EXISTANCE) {
3917 return (0); // We're Evaling whether a recipient exists
3919 else if (!(CC->logged_in)) {
3921 if ((CC->room.QRflags & QR_READONLY)) {
3922 snprintf(errmsgbuf, n, "Not logged in.");
3923 return (ERROR + NOT_LOGGED_IN);
3925 if (CC->room.QRflags2 & QR2_MODERATED) {
3926 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3927 return (ERROR + NOT_LOGGED_IN);
3929 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3931 return netconfig_check_roomaccess(errmsgbuf, n, RemoteIdentifier);
3937 if ((CC->user.axlevel < AxProbU)
3938 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3939 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3940 return (ERROR + HIGHER_ACCESS_REQUIRED);
3943 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3945 if (ra & UA_POSTALLOWED) {
3946 strcpy(errmsgbuf, "OK to post or reply here");
3950 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
3952 * To be thorough, we ought to check to see if the message they are
3953 * replying to is actually a valid one in this room, but unless this
3954 * actually becomes a problem we'll go with high performance instead.
3956 strcpy(errmsgbuf, "OK to reply here");
3960 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3961 /* Clarify what happened with a better error message */
3962 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3963 return (ERROR + HIGHER_ACCESS_REQUIRED);
3966 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3967 return (ERROR + HIGHER_ACCESS_REQUIRED);
3973 * Check to see if the specified user has Internet mail permission
3974 * (returns nonzero if permission is granted)
3976 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3978 /* Do not allow twits to send Internet mail */
3979 if (who->axlevel <= AxProbU) return(0);
3981 /* Globally enabled? */
3982 if (config.c_restrict == 0) return(1);
3984 /* User flagged ok? */
3985 if (who->flags & US_INTERNET) return(2);
3987 /* Aide level access? */
3988 if (who->axlevel >= AxAideU) return(3);
3990 /* No mail for you! */
3996 * Validate recipients, count delivery types and errors, and handle aliasing
3997 * FIXME check for dupes!!!!!
3999 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4000 * were specified, or the number of addresses found invalid.
4002 * Caller needs to free the result using free_recipients()
4004 struct recptypes *validate_recipients(const char *supplied_recipients,
4005 const char *RemoteIdentifier,
4007 struct recptypes *ret;
4008 char *recipients = NULL;
4009 char this_recp[256];
4010 char this_recp_cooked[256];
4016 struct ctdluser tempUS;
4017 struct ctdlroom tempQR;
4018 struct ctdlroom tempQR2;
4024 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4025 if (ret == NULL) return(NULL);
4027 /* Set all strings to null and numeric values to zero */
4028 memset(ret, 0, sizeof(struct recptypes));
4030 if (supplied_recipients == NULL) {
4031 recipients = strdup("");
4034 recipients = strdup(supplied_recipients);
4037 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4038 * actually need, but it's healthier for the heap than doing lots of tiny
4039 * realloc() calls instead.
4042 ret->errormsg = malloc(strlen(recipients) + 1024);
4043 ret->recp_local = malloc(strlen(recipients) + 1024);
4044 ret->recp_internet = malloc(strlen(recipients) + 1024);
4045 ret->recp_ignet = malloc(strlen(recipients) + 1024);
4046 ret->recp_room = malloc(strlen(recipients) + 1024);
4047 ret->display_recp = malloc(strlen(recipients) + 1024);
4049 ret->errormsg[0] = 0;
4050 ret->recp_local[0] = 0;
4051 ret->recp_internet[0] = 0;
4052 ret->recp_ignet[0] = 0;
4053 ret->recp_room[0] = 0;
4054 ret->display_recp[0] = 0;
4056 ret->recptypes_magic = RECPTYPES_MAGIC;
4058 /* Change all valid separator characters to commas */
4059 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4060 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4061 recipients[i] = ',';
4065 /* Now start extracting recipients... */
4067 while (!IsEmptyStr(recipients)) {
4069 for (i=0; i<=strlen(recipients); ++i) {
4070 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4071 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4072 safestrncpy(this_recp, recipients, i+1);
4074 if (recipients[i] == ',') {
4075 strcpy(recipients, &recipients[i+1]);
4078 strcpy(recipients, "");
4085 if (IsEmptyStr(this_recp))
4087 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4089 mailtype = alias(this_recp);
4090 mailtype = alias(this_recp);
4091 mailtype = alias(this_recp);
4093 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
4094 if (this_recp[j]=='_') {
4095 this_recp_cooked[j] = ' ';
4098 this_recp_cooked[j] = this_recp[j];
4101 this_recp_cooked[j] = '\0';
4106 if (!strcasecmp(this_recp, "sysop")) {
4108 strcpy(this_recp, config.c_aideroom);
4109 if (!IsEmptyStr(ret->recp_room)) {
4110 strcat(ret->recp_room, "|");
4112 strcat(ret->recp_room, this_recp);
4114 else if ( (!strncasecmp(this_recp, "room_", 5))
4115 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4117 /* Save room so we can restore it later */
4121 /* Check permissions to send mail to this room */
4122 err = CtdlDoIHavePermissionToPostInThisRoom(
4127 0 /* 0 = not a reply */
4136 if (!IsEmptyStr(ret->recp_room)) {
4137 strcat(ret->recp_room, "|");
4139 strcat(ret->recp_room, &this_recp_cooked[5]);
4142 /* Restore room in case something needs it */
4146 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4148 strcpy(this_recp, tempUS.fullname);
4149 if (!IsEmptyStr(ret->recp_local)) {
4150 strcat(ret->recp_local, "|");
4152 strcat(ret->recp_local, this_recp);
4154 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4156 strcpy(this_recp, tempUS.fullname);
4157 if (!IsEmptyStr(ret->recp_local)) {
4158 strcat(ret->recp_local, "|");
4160 strcat(ret->recp_local, this_recp);
4168 /* Yes, you're reading this correctly: if the target
4169 * domain points back to the local system or an attached
4170 * Citadel directory, the address is invalid. That's
4171 * because if the address were valid, we would have
4172 * already translated it to a local address by now.
4174 if (IsDirectory(this_recp, 0)) {
4179 ++ret->num_internet;
4180 if (!IsEmptyStr(ret->recp_internet)) {
4181 strcat(ret->recp_internet, "|");
4183 strcat(ret->recp_internet, this_recp);
4188 if (!IsEmptyStr(ret->recp_ignet)) {
4189 strcat(ret->recp_ignet, "|");
4191 strcat(ret->recp_ignet, this_recp);
4199 if (IsEmptyStr(errmsg)) {
4200 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4203 snprintf(append, sizeof append, "%s", errmsg);
4205 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4206 if (!IsEmptyStr(ret->errormsg)) {
4207 strcat(ret->errormsg, "; ");
4209 strcat(ret->errormsg, append);
4213 if (IsEmptyStr(ret->display_recp)) {
4214 strcpy(append, this_recp);
4217 snprintf(append, sizeof append, ", %s", this_recp);
4219 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4220 strcat(ret->display_recp, append);
4225 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4226 ret->num_room + ret->num_error) == 0) {
4227 ret->num_error = (-1);
4228 strcpy(ret->errormsg, "No recipients specified.");
4231 syslog(LOG_DEBUG, "validate_recipients()\n");
4232 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4233 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4234 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4235 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4236 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4244 * Destructor for struct recptypes
4246 void free_recipients(struct recptypes *valid) {
4248 if (valid == NULL) {
4252 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4253 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4257 if (valid->errormsg != NULL) free(valid->errormsg);
4258 if (valid->recp_local != NULL) free(valid->recp_local);
4259 if (valid->recp_internet != NULL) free(valid->recp_internet);
4260 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4261 if (valid->recp_room != NULL) free(valid->recp_room);
4262 if (valid->display_recp != NULL) free(valid->display_recp);
4263 if (valid->bounce_to != NULL) free(valid->bounce_to);
4264 if (valid->envelope_from != NULL) free(valid->envelope_from);
4271 * message entry - mode 0 (normal)
4273 void cmd_ent0(char *entargs)
4275 struct CitContext *CCC = CC;
4280 char supplied_euid[128];
4282 int format_type = 0;
4283 char newusername[256];
4284 char newuseremail[256];
4285 struct CtdlMessage *msg;
4289 struct recptypes *valid = NULL;
4290 struct recptypes *valid_to = NULL;
4291 struct recptypes *valid_cc = NULL;
4292 struct recptypes *valid_bcc = NULL;
4294 int subject_required = 0;
4296 int verbose_reply = 0;
4300 int newuseremail_ok = 0;
4301 char references[SIZ];
4306 post = extract_int(entargs, 0);
4307 extract_token(recp, entargs, 1, '|', sizeof recp);
4308 anon_flag = extract_int(entargs, 2);
4309 format_type = extract_int(entargs, 3);
4310 extract_token(subject, entargs, 4, '|', sizeof subject);
4311 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4312 do_confirm = extract_int(entargs, 6);
4313 extract_token(cc, entargs, 7, '|', sizeof cc);
4314 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4315 verbose_reply = extract_int(entargs, 9);
4316 switch(CC->room.QRdefaultview) {
4319 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4322 supplied_euid[0] = 0;
4325 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4326 extract_token(references, entargs, 11, '|', sizeof references);
4327 for (ptr=references; *ptr != 0; ++ptr) {
4328 if (*ptr == '!') *ptr = '|';
4331 /* first check to make sure the request is valid. */
4333 err = CtdlDoIHavePermissionToPostInThisRoom(
4338 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4342 cprintf("%d %s\n", err, errmsg);
4346 /* Check some other permission type things. */
4348 if (IsEmptyStr(newusername)) {
4349 strcpy(newusername, CCC->user.fullname);
4351 if ( (CCC->user.axlevel < AxAideU)
4352 && (strcasecmp(newusername, CCC->user.fullname))
4353 && (strcasecmp(newusername, CCC->cs_inet_fn))
4355 cprintf("%d You don't have permission to author messages as '%s'.\n",
4356 ERROR + HIGHER_ACCESS_REQUIRED,
4363 if (IsEmptyStr(newuseremail)) {
4364 newuseremail_ok = 1;
4367 if (!IsEmptyStr(newuseremail)) {
4368 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4369 newuseremail_ok = 1;
4371 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4372 j = num_tokens(CCC->cs_inet_other_emails, '|');
4373 for (i=0; i<j; ++i) {
4374 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4375 if (!strcasecmp(newuseremail, buf)) {
4376 newuseremail_ok = 1;
4382 if (!newuseremail_ok) {
4383 cprintf("%d You don't have permission to author messages as '%s'.\n",
4384 ERROR + HIGHER_ACCESS_REQUIRED,
4390 CCC->cs_flags |= CS_POSTING;
4392 /* In mailbox rooms we have to behave a little differently --
4393 * make sure the user has specified at least one recipient. Then
4394 * validate the recipient(s). We do this for the Mail> room, as
4395 * well as any room which has the "Mailbox" view set - unless it
4396 * is the DRAFTS room which does not require recipients
4399 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4400 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4401 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4402 if (CCC->user.axlevel < AxProbU) {
4403 strcpy(recp, "sysop");
4408 valid_to = validate_recipients(recp, NULL, 0);
4409 if (valid_to->num_error > 0) {
4410 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4411 free_recipients(valid_to);
4415 valid_cc = validate_recipients(cc, NULL, 0);
4416 if (valid_cc->num_error > 0) {
4417 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4418 free_recipients(valid_to);
4419 free_recipients(valid_cc);
4423 valid_bcc = validate_recipients(bcc, NULL, 0);
4424 if (valid_bcc->num_error > 0) {
4425 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4426 free_recipients(valid_to);
4427 free_recipients(valid_cc);
4428 free_recipients(valid_bcc);
4432 /* Recipient required, but none were specified */
4433 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4434 free_recipients(valid_to);
4435 free_recipients(valid_cc);
4436 free_recipients(valid_bcc);
4437 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4441 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4442 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4443 cprintf("%d You do not have permission "
4444 "to send Internet mail.\n",
4445 ERROR + HIGHER_ACCESS_REQUIRED);
4446 free_recipients(valid_to);
4447 free_recipients(valid_cc);
4448 free_recipients(valid_bcc);
4453 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)
4454 && (CCC->user.axlevel < AxNetU) ) {
4455 cprintf("%d Higher access required for network mail.\n",
4456 ERROR + HIGHER_ACCESS_REQUIRED);
4457 free_recipients(valid_to);
4458 free_recipients(valid_cc);
4459 free_recipients(valid_bcc);
4463 if ((RESTRICT_INTERNET == 1)
4464 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4465 && ((CCC->user.flags & US_INTERNET) == 0)
4466 && (!CCC->internal_pgm)) {
4467 cprintf("%d You don't have access to Internet mail.\n",
4468 ERROR + HIGHER_ACCESS_REQUIRED);
4469 free_recipients(valid_to);
4470 free_recipients(valid_cc);
4471 free_recipients(valid_bcc);
4477 /* Is this a room which has anonymous-only or anonymous-option? */
4478 anonymous = MES_NORMAL;
4479 if (CCC->room.QRflags & QR_ANONONLY) {
4480 anonymous = MES_ANONONLY;
4482 if (CCC->room.QRflags & QR_ANONOPT) {
4483 if (anon_flag == 1) { /* only if the user requested it */
4484 anonymous = MES_ANONOPT;
4488 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4492 /* Recommend to the client that the use of a message subject is
4493 * strongly recommended in this room, if either the SUBJECTREQ flag
4494 * is set, or if there is one or more Internet email recipients.
4496 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4497 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4498 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4499 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4501 /* If we're only checking the validity of the request, return
4502 * success without creating the message.
4505 cprintf("%d %s|%d\n", CIT_OK,
4506 ((valid_to != NULL) ? valid_to->display_recp : ""),
4508 free_recipients(valid_to);
4509 free_recipients(valid_cc);
4510 free_recipients(valid_bcc);
4514 /* We don't need these anymore because we'll do it differently below */
4515 free_recipients(valid_to);
4516 free_recipients(valid_cc);
4517 free_recipients(valid_bcc);
4519 /* Read in the message from the client. */
4521 cprintf("%d send message\n", START_CHAT_MODE);
4523 cprintf("%d send message\n", SEND_LISTING);
4526 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4527 CCC->room.QRname, anonymous, format_type,
4528 newusername, newuseremail, subject,
4529 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4532 /* Put together one big recipients struct containing to/cc/bcc all in
4533 * one. This is for the envelope.
4535 char *all_recps = malloc(SIZ * 3);
4536 strcpy(all_recps, recp);
4537 if (!IsEmptyStr(cc)) {
4538 if (!IsEmptyStr(all_recps)) {
4539 strcat(all_recps, ",");
4541 strcat(all_recps, cc);
4543 if (!IsEmptyStr(bcc)) {
4544 if (!IsEmptyStr(all_recps)) {
4545 strcat(all_recps, ",");
4547 strcat(all_recps, bcc);
4549 if (!IsEmptyStr(all_recps)) {
4550 valid = validate_recipients(all_recps, NULL, 0);
4558 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4561 if (StrLength(CCC->StatusMessage)>0)
4563 StrBufAppendBufPlain(CCC->StatusMessage, HKEY("\n000\n"), 0);
4564 cputbuf(CCC->StatusMessage);
4567 client_write(HKEY("\n000\n"));
4571 cprintf("%ld\n", msgnum);
4573 client_write(HKEY("Message accepted.\n"));
4576 client_write(HKEY("Internal error.\n"));
4578 if (msg->cm_fields['E'] != NULL) {
4579 cprintf("%s\n", msg->cm_fields['E']);
4586 CtdlFreeMessage(msg);
4588 if (valid != NULL) {
4589 free_recipients(valid);
4597 * API function to delete messages which match a set of criteria
4598 * (returns the actual number of messages deleted)
4600 int CtdlDeleteMessages(char *room_name, /* which room */
4601 long *dmsgnums, /* array of msg numbers to be deleted */
4602 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4603 char *content_type /* or "" for any. regular expressions expected. */
4606 struct ctdlroom qrbuf;
4607 struct cdbdata *cdbfr;
4608 long *msglist = NULL;
4609 long *dellist = NULL;
4612 int num_deleted = 0;
4614 struct MetaData smi;
4617 int need_to_free_re = 0;
4619 if (content_type) if (!IsEmptyStr(content_type)) {
4620 regcomp(&re, content_type, 0);
4621 need_to_free_re = 1;
4623 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4624 room_name, num_dmsgnums, content_type);
4626 /* get room record, obtaining a lock... */
4627 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4628 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4630 if (need_to_free_re) regfree(&re);
4631 return (0); /* room not found */
4633 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4635 if (cdbfr != NULL) {
4636 dellist = malloc(cdbfr->len);
4637 msglist = (long *) cdbfr->ptr;
4638 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4639 num_msgs = cdbfr->len / sizeof(long);
4643 for (i = 0; i < num_msgs; ++i) {
4646 /* Set/clear a bit for each criterion */
4648 /* 0 messages in the list or a null list means that we are
4649 * interested in deleting any messages which meet the other criteria.
4651 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4652 delete_this |= 0x01;
4655 for (j=0; j<num_dmsgnums; ++j) {
4656 if (msglist[i] == dmsgnums[j]) {
4657 delete_this |= 0x01;
4662 if (IsEmptyStr(content_type)) {
4663 delete_this |= 0x02;
4665 GetMetaData(&smi, msglist[i]);
4666 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4667 delete_this |= 0x02;
4671 /* Delete message only if all bits are set */
4672 if (delete_this == 0x03) {
4673 dellist[num_deleted++] = msglist[i];
4678 num_msgs = sort_msglist(msglist, num_msgs);
4679 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4680 msglist, (int)(num_msgs * sizeof(long)));
4683 qrbuf.QRhighest = msglist[num_msgs - 1];
4685 qrbuf.QRhighest = 0;
4687 CtdlPutRoomLock(&qrbuf);
4689 /* Go through the messages we pulled out of the index, and decrement
4690 * their reference counts by 1. If this is the only room the message
4691 * was in, the reference count will reach zero and the message will
4692 * automatically be deleted from the database. We do this in a
4693 * separate pass because there might be plug-in hooks getting called,
4694 * and we don't want that happening during an S_ROOMS critical
4697 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4698 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4699 AdjRefCount(dellist[i], -1);
4702 /* Now free the memory we used, and go away. */
4703 if (msglist != NULL) free(msglist);
4704 if (dellist != NULL) free(dellist);
4705 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4706 if (need_to_free_re) regfree(&re);
4707 return (num_deleted);
4713 * Check whether the current user has permission to delete messages from
4714 * the current room (returns 1 for yes, 0 for no)
4716 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4718 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4719 if (ra & UA_DELETEALLOWED) return(1);
4727 * Delete message from current room
4729 void cmd_dele(char *args)
4738 extract_token(msgset, args, 0, '|', sizeof msgset);
4739 num_msgs = num_tokens(msgset, ',');
4741 cprintf("%d Nothing to do.\n", CIT_OK);
4745 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4746 cprintf("%d Higher access required.\n",
4747 ERROR + HIGHER_ACCESS_REQUIRED);
4752 * Build our message set to be moved/copied
4754 msgs = malloc(num_msgs * sizeof(long));
4755 for (i=0; i<num_msgs; ++i) {
4756 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4757 msgs[i] = atol(msgtok);
4760 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4764 cprintf("%d %d message%s deleted.\n", CIT_OK,
4765 num_deleted, ((num_deleted != 1) ? "s" : ""));
4767 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4775 * move or copy a message to another room
4777 void cmd_move(char *args)
4784 char targ[ROOMNAMELEN];
4785 struct ctdlroom qtemp;
4792 extract_token(msgset, args, 0, '|', sizeof msgset);
4793 num_msgs = num_tokens(msgset, ',');
4795 cprintf("%d Nothing to do.\n", CIT_OK);
4799 extract_token(targ, args, 1, '|', sizeof targ);
4800 convert_room_name_macros(targ, sizeof targ);
4801 targ[ROOMNAMELEN - 1] = 0;
4802 is_copy = extract_int(args, 2);
4804 if (CtdlGetRoom(&qtemp, targ) != 0) {
4805 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4809 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4810 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4814 CtdlGetUser(&CC->user, CC->curr_user);
4815 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4817 /* Check for permission to perform this operation.
4818 * Remember: "CC->room" is source, "qtemp" is target.
4822 /* Aides can move/copy */
4823 if (CC->user.axlevel >= AxAideU) permit = 1;
4825 /* Room aides can move/copy */
4826 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4828 /* Permit move/copy from personal rooms */
4829 if ((CC->room.QRflags & QR_MAILBOX)
4830 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4832 /* Permit only copy from public to personal room */
4834 && (!(CC->room.QRflags & QR_MAILBOX))
4835 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4837 /* Permit message removal from collaborative delete rooms */
4838 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4840 /* Users allowed to post into the target room may move into it too. */
4841 if ((CC->room.QRflags & QR_MAILBOX) &&
4842 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4844 /* User must have access to target room */
4845 if (!(ra & UA_KNOWN)) permit = 0;
4848 cprintf("%d Higher access required.\n",
4849 ERROR + HIGHER_ACCESS_REQUIRED);
4854 * Build our message set to be moved/copied
4856 msgs = malloc(num_msgs * sizeof(long));
4857 for (i=0; i<num_msgs; ++i) {
4858 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4859 msgs[i] = atol(msgtok);
4865 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4867 cprintf("%d Cannot store message(s) in %s: error %d\n",
4873 /* Now delete the message from the source room,
4874 * if this is a 'move' rather than a 'copy' operation.
4877 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4881 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4887 * GetMetaData() - Get the supplementary record for a message
4889 void GetMetaData(struct MetaData *smibuf, long msgnum)
4892 struct cdbdata *cdbsmi;
4895 memset(smibuf, 0, sizeof(struct MetaData));
4896 smibuf->meta_msgnum = msgnum;
4897 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4899 /* Use the negative of the message number for its supp record index */
4900 TheIndex = (0L - msgnum);
4902 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4903 if (cdbsmi == NULL) {
4904 return; /* record not found; go with defaults */
4906 memcpy(smibuf, cdbsmi->ptr,
4907 ((cdbsmi->len > sizeof(struct MetaData)) ?
4908 sizeof(struct MetaData) : cdbsmi->len));
4915 * PutMetaData() - (re)write supplementary record for a message
4917 void PutMetaData(struct MetaData *smibuf)
4921 /* Use the negative of the message number for the metadata db index */
4922 TheIndex = (0L - smibuf->meta_msgnum);
4924 cdb_store(CDB_MSGMAIN,
4925 &TheIndex, (int)sizeof(long),
4926 smibuf, (int)sizeof(struct MetaData));
4931 * AdjRefCount - submit an adjustment to the reference count for a message.
4932 * (These are just queued -- we actually process them later.)
4934 void AdjRefCount(long msgnum, int incr)
4936 struct arcq new_arcq;
4939 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4943 begin_critical_section(S_SUPPMSGMAIN);
4944 if (arcfp == NULL) {
4945 arcfp = fopen(file_arcq, "ab+");
4947 end_critical_section(S_SUPPMSGMAIN);
4949 /* msgnum < 0 means that we're trying to close the file */
4951 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4952 begin_critical_section(S_SUPPMSGMAIN);
4953 if (arcfp != NULL) {
4957 end_critical_section(S_SUPPMSGMAIN);
4962 * If we can't open the queue, perform the operation synchronously.
4964 if (arcfp == NULL) {
4965 TDAP_AdjRefCount(msgnum, incr);
4969 new_arcq.arcq_msgnum = msgnum;
4970 new_arcq.arcq_delta = incr;
4971 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4973 syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
4984 * TDAP_ProcessAdjRefCountQueue()
4986 * Process the queue of message count adjustments that was created by calls
4987 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4988 * for each one. This should be an "off hours" operation.
4990 int TDAP_ProcessAdjRefCountQueue(void)
4992 char file_arcq_temp[PATH_MAX];
4995 struct arcq arcq_rec;
4996 int num_records_processed = 0;
4998 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
5000 begin_critical_section(S_SUPPMSGMAIN);
5001 if (arcfp != NULL) {
5006 r = link(file_arcq, file_arcq_temp);
5008 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5009 end_critical_section(S_SUPPMSGMAIN);
5010 return(num_records_processed);
5014 end_critical_section(S_SUPPMSGMAIN);
5016 fp = fopen(file_arcq_temp, "rb");
5018 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5019 return(num_records_processed);
5022 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5023 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5024 ++num_records_processed;
5028 r = unlink(file_arcq_temp);
5030 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5033 return(num_records_processed);
5039 * TDAP_AdjRefCount - adjust the reference count for a message.
5040 * This one does it "for real" because it's called by
5041 * the autopurger function that processes the queue
5042 * created by AdjRefCount(). If a message's reference
5043 * count becomes zero, we also delete the message from
5044 * disk and de-index it.
5046 void TDAP_AdjRefCount(long msgnum, int incr)
5049 struct MetaData smi;
5052 /* This is a *tight* critical section; please keep it that way, as
5053 * it may get called while nested in other critical sections.
5054 * Complicating this any further will surely cause deadlock!
5056 begin_critical_section(S_SUPPMSGMAIN);
5057 GetMetaData(&smi, msgnum);
5058 smi.meta_refcount += incr;
5060 end_critical_section(S_SUPPMSGMAIN);
5061 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5062 msgnum, incr, smi.meta_refcount
5065 /* If the reference count is now zero, delete the message
5066 * (and its supplementary record as well).
5068 if (smi.meta_refcount == 0) {
5069 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5071 /* Call delete hooks with NULL room to show it has gone altogether */
5072 PerformDeleteHooks(NULL, msgnum);
5074 /* Remove from message base */
5076 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5077 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5079 /* Remove metadata record */
5080 delnum = (0L - msgnum);
5081 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5087 * Write a generic object to this room
5089 * Note: this could be much more efficient. Right now we use two temporary
5090 * files, and still pull the message into memory as with all others.
5092 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5093 char *content_type, /* MIME type of this object */
5094 char *raw_message, /* Data to be written */
5095 off_t raw_length, /* Size of raw_message */
5096 struct ctdluser *is_mailbox, /* Mailbox room? */
5097 int is_binary, /* Is encoding necessary? */
5098 int is_unique, /* Del others of this type? */
5099 unsigned int flags /* Internal save flags */
5103 struct ctdlroom qrbuf;
5104 char roomname[ROOMNAMELEN];
5105 struct CtdlMessage *msg;
5106 char *encoded_message = NULL;
5108 if (is_mailbox != NULL) {
5109 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5112 safestrncpy(roomname, req_room, sizeof(roomname));
5115 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5118 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5121 encoded_message = malloc((size_t)(raw_length + 4096));
5124 sprintf(encoded_message, "Content-type: %s\n", content_type);
5127 sprintf(&encoded_message[strlen(encoded_message)],
5128 "Content-transfer-encoding: base64\n\n"
5132 sprintf(&encoded_message[strlen(encoded_message)],
5133 "Content-transfer-encoding: 7bit\n\n"
5139 &encoded_message[strlen(encoded_message)],
5147 &encoded_message[strlen(encoded_message)],
5153 syslog(LOG_DEBUG, "Allocating\n");
5154 msg = malloc(sizeof(struct CtdlMessage));
5155 memset(msg, 0, sizeof(struct CtdlMessage));
5156 msg->cm_magic = CTDLMESSAGE_MAGIC;
5157 msg->cm_anon_type = MES_NORMAL;
5158 msg->cm_format_type = 4;
5159 msg->cm_fields['A'] = strdup(CC->user.fullname);
5160 msg->cm_fields['O'] = strdup(req_room);
5161 msg->cm_fields['N'] = strdup(config.c_nodename);
5162 msg->cm_fields['H'] = strdup(config.c_humannode);
5163 msg->cm_flags = flags;
5165 msg->cm_fields['M'] = encoded_message;
5167 /* Create the requested room if we have to. */
5168 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5169 CtdlCreateRoom(roomname,
5170 ( (is_mailbox != NULL) ? 5 : 3 ),
5171 "", 0, 1, 0, VIEW_BBS);
5173 /* If the caller specified this object as unique, delete all
5174 * other objects of this type that are currently in the room.
5177 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5178 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5181 /* Now write the data */
5182 CtdlSubmitMsg(msg, NULL, roomname, 0);
5183 CtdlFreeMessage(msg);
5191 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5192 config_msgnum = msgnum;
5196 char *CtdlGetSysConfig(char *sysconfname) {
5197 char hold_rm[ROOMNAMELEN];
5200 struct CtdlMessage *msg;
5203 strcpy(hold_rm, CC->room.QRname);
5204 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5205 CtdlGetRoom(&CC->room, hold_rm);
5210 /* We want the last (and probably only) config in this room */
5211 begin_critical_section(S_CONFIG);
5212 config_msgnum = (-1L);
5213 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5214 CtdlGetSysConfigBackend, NULL);
5215 msgnum = config_msgnum;
5216 end_critical_section(S_CONFIG);
5222 msg = CtdlFetchMessage(msgnum, 1);
5224 conf = strdup(msg->cm_fields['M']);
5225 CtdlFreeMessage(msg);
5232 CtdlGetRoom(&CC->room, hold_rm);
5234 if (conf != NULL) do {
5235 extract_token(buf, conf, 0, '\n', sizeof buf);
5236 strcpy(conf, &conf[strlen(buf)+1]);
5237 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5243 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5244 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5249 * Determine whether a given Internet address belongs to the current user
5251 int CtdlIsMe(char *addr, int addr_buf_len)
5253 struct recptypes *recp;
5256 recp = validate_recipients(addr, NULL, 0);
5257 if (recp == NULL) return(0);
5259 if (recp->num_local == 0) {
5260 free_recipients(recp);
5264 for (i=0; i<recp->num_local; ++i) {
5265 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5266 if (!strcasecmp(addr, CC->user.fullname)) {
5267 free_recipients(recp);
5272 free_recipients(recp);
5278 * Citadel protocol command to do the same
5280 void cmd_isme(char *argbuf) {
5283 if (CtdlAccessCheck(ac_logged_in)) return;
5284 extract_token(addr, argbuf, 0, '|', sizeof addr);
5286 if (CtdlIsMe(addr, sizeof addr)) {
5287 cprintf("%d %s\n", CIT_OK, addr);
5290 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5296 /*****************************************************************************/
5297 /* MODULE INITIALIZATION STUFF */
5298 /*****************************************************************************/
5300 CTDL_MODULE_INIT(msgbase)
5303 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5304 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5305 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5306 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5307 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5308 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5309 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5310 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5311 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5312 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5313 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5314 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5317 /* return our Subversion id for the Log */