2 * Implements the message store.
4 * Copyright (c) 1987-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #if TIME_WITH_SYS_TIME
28 # include <sys/time.h>
32 # include <sys/time.h>
45 #include <sys/types.h>
47 #include <libcitadel.h>
50 #include "serv_extensions.h"
54 #include "sysdep_decls.h"
55 #include "citserver.h"
62 #include "internet_addressing.h"
63 #include "euidindex.h"
64 #include "journaling.h"
65 #include "citadel_dirs.h"
66 #include "clientsocket.h"
69 #include "ctdl_module.h"
72 struct addresses_to_be_filed *atbf = NULL;
74 /* This temp file holds the queue of operations for AdjRefCount() */
75 static FILE *arcfp = NULL;
78 * These are the four-character field headers we use when outputting
79 * messages in Citadel format (as opposed to RFC822 format).
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
83 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
84 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
85 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
86 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
87 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
88 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
89 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
118 * This function is self explanatory.
119 * (What can I say, I'm in a weird mood today...)
121 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
125 for (i = 0; i < strlen(name); ++i) {
126 if (name[i] == '@') {
127 while (isspace(name[i - 1]) && i > 0) {
128 strcpy(&name[i - 1], &name[i]);
131 while (isspace(name[i + 1])) {
132 strcpy(&name[i + 1], &name[i + 2]);
140 * Aliasing for network mail.
141 * (Error messages have been commented out, because this is a server.)
143 int alias(char *name)
144 { /* process alias and routing info for mail */
147 char aaa[SIZ], bbb[SIZ];
148 char *ignetcfg = NULL;
149 char *ignetmap = NULL;
155 char original_name[256];
156 safestrncpy(original_name, name, sizeof original_name);
159 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
160 stripallbut(name, '<', '>');
162 fp = fopen(file_mail_aliases, "r");
164 fp = fopen("/dev/null", "r");
171 while (fgets(aaa, sizeof aaa, fp) != NULL) {
172 while (isspace(name[0]))
173 strcpy(name, &name[1]);
174 aaa[strlen(aaa) - 1] = 0;
176 for (a = 0; a < strlen(aaa); ++a) {
178 strcpy(bbb, &aaa[a + 1]);
182 if (!strcasecmp(name, aaa))
187 /* Hit the Global Address Book */
188 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
192 if (strcasecmp(original_name, name)) {
193 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
196 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
197 for (a=0; a<strlen(name); ++a) {
198 if (name[a] == '@') {
199 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
201 syslog(LOG_INFO, "Changed to <%s>\n", name);
206 /* determine local or remote type, see citadel.h */
207 at = haschar(name, '@');
208 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
209 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
210 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
212 /* figure out the delivery mode */
213 extract_token(node, name, 1, '@', sizeof node);
215 /* If there are one or more dots in the nodename, we assume that it
216 * is an FQDN and will attempt SMTP delivery to the Internet.
218 if (haschar(node, '.') > 0) {
219 return(MES_INTERNET);
222 /* Otherwise we look in the IGnet maps for a valid Citadel node.
223 * Try directly-connected nodes first...
225 ignetcfg = CtdlGetSysConfig(IGNETCFG);
226 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
227 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
228 extract_token(testnode, buf, 0, '|', sizeof testnode);
229 if (!strcasecmp(node, testnode)) {
237 * Then try nodes that are two or more hops away.
239 ignetmap = CtdlGetSysConfig(IGNETMAP);
240 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
241 extract_token(buf, ignetmap, i, '\n', sizeof buf);
242 extract_token(testnode, buf, 0, '|', sizeof testnode);
243 if (!strcasecmp(node, testnode)) {
250 /* If we get to this point it's an invalid node name */
256 * Back end for the MSGS command: output message number only.
258 void simple_listing(long msgnum, void *userdata)
260 cprintf("%ld\n", msgnum);
266 * Back end for the MSGS command: output header summary.
268 void headers_listing(long msgnum, void *userdata)
270 struct CtdlMessage *msg;
272 msg = CtdlFetchMessage(msgnum, 0);
274 cprintf("%ld|0|||||\n", msgnum);
278 cprintf("%ld|%s|%s|%s|%s|%s|\n",
280 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
281 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
282 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
283 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
284 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
286 CtdlFreeMessage(msg);
290 * Back end for the MSGS command: output EUID header.
292 void headers_euid(long msgnum, void *userdata)
294 struct CtdlMessage *msg;
296 msg = CtdlFetchMessage(msgnum, 0);
298 cprintf("%ld||\n", msgnum);
302 cprintf("%ld|%s|%s\n",
304 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
305 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
306 CtdlFreeMessage(msg);
313 /* Determine if a given message matches the fields in a message template.
314 * Return 0 for a successful match.
316 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
319 /* If there aren't any fields in the template, all messages will
322 if (template == NULL) return(0);
324 /* Null messages are bogus. */
325 if (msg == NULL) return(1);
327 for (i='A'; i<='Z'; ++i) {
328 if (template->cm_fields[i] != NULL) {
329 if (msg->cm_fields[i] == NULL) {
330 /* Considered equal if temmplate is empty string */
331 if (IsEmptyStr(template->cm_fields[i])) continue;
334 if (strcasecmp(msg->cm_fields[i],
335 template->cm_fields[i])) return 1;
339 /* All compares succeeded: we have a match! */
346 * Retrieve the "seen" message list for the current room.
348 void CtdlGetSeen(char *buf, int which_set) {
351 /* Learn about the user and room in question */
352 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
354 if (which_set == ctdlsetseen_seen)
355 safestrncpy(buf, vbuf.v_seen, SIZ);
356 if (which_set == ctdlsetseen_answered)
357 safestrncpy(buf, vbuf.v_answered, SIZ);
363 * Manipulate the "seen msgs" string (or other message set strings)
365 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
366 int target_setting, int which_set,
367 struct ctdluser *which_user, struct ctdlroom *which_room) {
368 struct cdbdata *cdbfr;
382 char *is_set; /* actually an array of booleans */
384 /* Don't bother doing *anything* if we were passed a list of zero messages */
385 if (num_target_msgnums < 1) {
389 /* If no room was specified, we go with the current room. */
391 which_room = &CC->room;
394 /* If no user was specified, we go with the current user. */
396 which_user = &CC->user;
399 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
400 num_target_msgnums, target_msgnums[0],
401 (target_setting ? "SET" : "CLEAR"),
405 /* Learn about the user and room in question */
406 CtdlGetRelationship(&vbuf, which_user, which_room);
408 /* Load the message list */
409 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
411 msglist = (long *) cdbfr->ptr;
412 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
413 num_msgs = cdbfr->len / sizeof(long);
416 return; /* No messages at all? No further action. */
419 is_set = malloc(num_msgs * sizeof(char));
420 memset(is_set, 0, (num_msgs * sizeof(char)) );
422 /* Decide which message set we're manipulating */
424 case ctdlsetseen_seen:
425 vset = NewStrBufPlain(vbuf.v_seen, -1);
427 case ctdlsetseen_answered:
428 vset = NewStrBufPlain(vbuf.v_answered, -1);
435 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
436 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
437 for (i=0; i<num_msgs; ++i) {
438 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
440 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
441 for (k=0; k<num_target_msgnums; ++k) {
442 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
446 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
448 /* Translate the existing sequence set into an array of booleans */
449 setstr = NewStrBuf();
453 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
455 StrBufExtract_token(lostr, setstr, 0, ':');
456 if (StrBufNum_tokens(setstr, ':') >= 2) {
457 StrBufExtract_token(histr, setstr, 1, ':');
461 StrBufAppendBuf(histr, lostr, 0);
464 if (!strcmp(ChrPtr(histr), "*")) {
471 for (i = 0; i < num_msgs; ++i) {
472 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
482 /* Now translate the array of booleans back into a sequence set */
488 for (i=0; i<num_msgs; ++i) {
492 for (k=0; k<num_target_msgnums; ++k) {
493 if (msglist[i] == target_msgnums[k]) {
494 is_seen = target_setting;
498 if ((was_seen == 0) && (is_seen == 1)) {
501 else if ((was_seen == 1) && (is_seen == 0)) {
504 if (StrLength(vset) > 0) {
505 StrBufAppendBufPlain(vset, HKEY(","), 0);
508 StrBufAppendPrintf(vset, "%ld", hi);
511 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
515 if ((is_seen) && (i == num_msgs - 1)) {
516 if (StrLength(vset) > 0) {
517 StrBufAppendBufPlain(vset, HKEY(","), 0);
519 if ((i==0) || (was_seen == 0)) {
520 StrBufAppendPrintf(vset, "%ld", msglist[i]);
523 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
531 * We will have to stuff this string back into a 4096 byte buffer, so if it's
532 * larger than that now, truncate it by removing tokens from the beginning.
533 * The limit of 100 iterations is there to prevent an infinite loop in case
534 * something unexpected happens.
536 int number_of_truncations = 0;
537 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
538 StrBufRemove_token(vset, 0, ',');
539 ++number_of_truncations;
543 * If we're truncating the sequence set of messages marked with the 'seen' flag,
544 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
545 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
547 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
549 first_tok = NewStrBuf();
550 StrBufExtract_token(first_tok, vset, 0, ',');
551 StrBufRemove_token(vset, 0, ',');
553 if (StrBufNum_tokens(first_tok, ':') > 1) {
554 StrBufRemove_token(first_tok, 0, ':');
558 new_set = NewStrBuf();
559 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
560 StrBufAppendBuf(new_set, first_tok, 0);
561 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
562 StrBufAppendBuf(new_set, vset, 0);
565 FreeStrBuf(&first_tok);
569 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
571 /* Decide which message set we're manipulating */
573 case ctdlsetseen_seen:
574 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
576 case ctdlsetseen_answered:
577 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
583 CtdlSetRelationship(&vbuf, which_user, which_room);
589 * API function to perform an operation for each qualifying message in the
590 * current room. (Returns the number of messages processed.)
592 int CtdlForEachMessage(int mode, long ref, char *search_string,
594 struct CtdlMessage *compare,
595 ForEachMsgCallback CallBack,
601 struct cdbdata *cdbfr;
602 long *msglist = NULL;
604 int num_processed = 0;
607 struct CtdlMessage *msg = NULL;
610 int printed_lastold = 0;
611 int num_search_msgs = 0;
612 long *search_msgs = NULL;
614 int need_to_free_re = 0;
617 if ((content_type) && (!IsEmptyStr(content_type))) {
618 regcomp(&re, content_type, 0);
622 /* Learn about the user and room in question */
623 CtdlGetUser(&CC->user, CC->curr_user);
624 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
626 /* Load the message list */
627 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
629 if (need_to_free_re) regfree(&re);
630 return 0; /* No messages at all? No further action. */
633 msglist = (long *) cdbfr->ptr;
634 num_msgs = cdbfr->len / sizeof(long);
636 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
637 cdb_free(cdbfr); /* we own this memory now */
640 * Now begin the traversal.
642 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
644 /* If the caller is looking for a specific MIME type, filter
645 * out all messages which are not of the type requested.
647 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
649 /* This call to GetMetaData() sits inside this loop
650 * so that we only do the extra database read per msg
651 * if we need to. Doing the extra read all the time
652 * really kills the server. If we ever need to use
653 * metadata for another search criterion, we need to
654 * move the read somewhere else -- but still be smart
655 * enough to only do the read if the caller has
656 * specified something that will need it.
658 GetMetaData(&smi, msglist[a]);
660 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
661 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
667 num_msgs = sort_msglist(msglist, num_msgs);
669 /* If a template was supplied, filter out the messages which
670 * don't match. (This could induce some delays!)
673 if (compare != NULL) {
674 for (a = 0; a < num_msgs; ++a) {
675 msg = CtdlFetchMessage(msglist[a], 1);
677 if (CtdlMsgCmp(msg, compare)) {
680 CtdlFreeMessage(msg);
686 /* If a search string was specified, get a message list from
687 * the full text index and remove messages which aren't on both
691 * Since the lists are sorted and strictly ascending, and the
692 * output list is guaranteed to be shorter than or equal to the
693 * input list, we overwrite the bottom of the input list. This
694 * eliminates the need to memmove big chunks of the list over and
697 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
699 /* Call search module via hook mechanism.
700 * NULL means use any search function available.
701 * otherwise replace with a char * to name of search routine
703 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
705 if (num_search_msgs > 0) {
709 orig_num_msgs = num_msgs;
711 for (i=0; i<orig_num_msgs; ++i) {
712 for (j=0; j<num_search_msgs; ++j) {
713 if (msglist[i] == search_msgs[j]) {
714 msglist[num_msgs++] = msglist[i];
720 num_msgs = 0; /* No messages qualify */
722 if (search_msgs != NULL) free(search_msgs);
724 /* Now that we've purged messages which don't contain the search
725 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
732 * Now iterate through the message list, according to the
733 * criteria supplied by the caller.
736 for (a = 0; a < num_msgs; ++a) {
737 thismsg = msglist[a];
738 if (mode == MSGS_ALL) {
742 is_seen = is_msg_in_sequence_set(
743 vbuf.v_seen, thismsg);
744 if (is_seen) lastold = thismsg;
750 || ((mode == MSGS_OLD) && (is_seen))
751 || ((mode == MSGS_NEW) && (!is_seen))
752 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
753 || ((mode == MSGS_FIRST) && (a < ref))
754 || ((mode == MSGS_GT) && (thismsg > ref))
755 || ((mode == MSGS_LT) && (thismsg < ref))
756 || ((mode == MSGS_EQ) && (thismsg == ref))
759 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
761 CallBack(lastold, userdata);
765 if (CallBack) CallBack(thismsg, userdata);
769 if (need_to_free_re) regfree(&re);
772 * We cache the most recent msglist in order to do security checks later
774 if (CC->client_socket > 0) {
775 if (CC->cached_msglist != NULL) {
776 free(CC->cached_msglist);
778 CC->cached_msglist = msglist;
779 CC->cached_num_msgs = num_msgs;
785 return num_processed;
791 * cmd_msgs() - get list of message #'s in this room
792 * implements the MSGS server command using CtdlForEachMessage()
794 void cmd_msgs(char *cmdbuf)
803 int with_template = 0;
804 struct CtdlMessage *template = NULL;
805 char search_string[1024];
806 ForEachMsgCallback CallBack;
808 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
810 extract_token(which, cmdbuf, 0, '|', sizeof which);
811 cm_ref = extract_int(cmdbuf, 1);
812 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
813 with_template = extract_int(cmdbuf, 2);
814 switch (extract_int(cmdbuf, 3))
818 CallBack = simple_listing;
821 CallBack = headers_listing;
824 CallBack = headers_euid;
829 if (!strncasecmp(which, "OLD", 3))
831 else if (!strncasecmp(which, "NEW", 3))
833 else if (!strncasecmp(which, "FIRST", 5))
835 else if (!strncasecmp(which, "LAST", 4))
837 else if (!strncasecmp(which, "GT", 2))
839 else if (!strncasecmp(which, "LT", 2))
841 else if (!strncasecmp(which, "SEARCH", 6))
846 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
847 cprintf("%d Full text index is not enabled on this server.\n",
848 ERROR + CMD_NOT_SUPPORTED);
854 cprintf("%d Send template then receive message list\n",
856 template = (struct CtdlMessage *)
857 malloc(sizeof(struct CtdlMessage));
858 memset(template, 0, sizeof(struct CtdlMessage));
859 template->cm_magic = CTDLMESSAGE_MAGIC;
860 template->cm_anon_type = MES_NORMAL;
862 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
863 extract_token(tfield, buf, 0, '|', sizeof tfield);
864 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
865 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
866 if (!strcasecmp(tfield, msgkeys[i])) {
867 template->cm_fields[i] =
875 cprintf("%d \n", LISTING_FOLLOWS);
878 CtdlForEachMessage(mode,
879 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
880 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
885 if (template != NULL) CtdlFreeMessage(template);
893 * help_subst() - support routine for help file viewer
895 void help_subst(char *strbuf, char *source, char *dest)
900 while (p = pattern2(strbuf, source), (p >= 0)) {
901 strcpy(workbuf, &strbuf[p + strlen(source)]);
902 strcpy(&strbuf[p], dest);
903 strcat(strbuf, workbuf);
908 void do_help_subst(char *buffer)
912 help_subst(buffer, "^nodename", config.c_nodename);
913 help_subst(buffer, "^humannode", config.c_humannode);
914 help_subst(buffer, "^fqdn", config.c_fqdn);
915 help_subst(buffer, "^username", CC->user.fullname);
916 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
917 help_subst(buffer, "^usernum", buf2);
918 help_subst(buffer, "^sysadm", config.c_sysadm);
919 help_subst(buffer, "^variantname", CITADEL);
920 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
921 help_subst(buffer, "^maxsessions", buf2);
922 help_subst(buffer, "^bbsdir", ctdl_message_dir);
928 * memfmout() - Citadel text formatter and paginator.
929 * Although the original purpose of this routine was to format
930 * text to the reader's screen width, all we're really using it
931 * for here is to format text out to 80 columns before sending it
932 * to the client. The client software may reformat it again.
935 char *mptr, /* where are we going to get our text from? */
936 const char *nl /* string to terminate lines with */
939 unsigned char ch = 0;
946 while (ch=*(mptr++), ch != 0) {
949 if (client_write(outbuf, len) == -1)
951 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
955 if (client_write(nl, nllen) == -1)
957 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
962 else if (ch == '\r') {
963 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
965 else if (isspace(ch)) {
966 if (column > 72) { /* Beyond 72 columns, break on the next space */
967 if (client_write(outbuf, len) == -1)
969 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
973 if (client_write(nl, nllen) == -1)
975 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
988 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
989 if (client_write(outbuf, len) == -1)
991 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
995 if (client_write(nl, nllen) == -1)
997 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1005 if (client_write(outbuf, len) == -1)
1007 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1011 client_write(nl, nllen);
1019 * Callback function for mime parser that simply lists the part
1021 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1022 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1023 char *cbid, void *cbuserdata)
1027 ma = (struct ma_info *)cbuserdata;
1028 if (ma->is_ma == 0) {
1029 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1042 * Callback function for multipart prefix
1044 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1045 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1046 char *cbid, void *cbuserdata)
1050 ma = (struct ma_info *)cbuserdata;
1051 if (!strcasecmp(cbtype, "multipart/alternative")) {
1055 if (ma->is_ma == 0) {
1056 cprintf("pref=%s|%s\n", partnum, cbtype);
1061 * Callback function for multipart sufffix
1063 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1064 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1065 char *cbid, void *cbuserdata)
1069 ma = (struct ma_info *)cbuserdata;
1070 if (ma->is_ma == 0) {
1071 cprintf("suff=%s|%s\n", partnum, cbtype);
1073 if (!strcasecmp(cbtype, "multipart/alternative")) {
1080 * Callback function for mime parser that opens a section for downloading
1082 void mime_download(char *name, char *filename, char *partnum, char *disp,
1083 void *content, char *cbtype, char *cbcharset, size_t length,
1084 char *encoding, char *cbid, void *cbuserdata)
1088 /* Silently go away if there's already a download open. */
1089 if (CC->download_fp != NULL)
1093 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1094 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1096 CC->download_fp = tmpfile();
1097 if (CC->download_fp == NULL)
1100 rv = fwrite(content, length, 1, CC->download_fp);
1102 syslog(LOG_EMERG, "mime_download(): Couldn't write: %s\n",
1105 fflush(CC->download_fp);
1106 rewind(CC->download_fp);
1108 OpenCmdResult(filename, cbtype);
1115 * Callback function for mime parser that outputs a section all at once.
1116 * We can specify the desired section by part number *or* content-id.
1118 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1119 void *content, char *cbtype, char *cbcharset, size_t length,
1120 char *encoding, char *cbid, void *cbuserdata)
1122 int *found_it = (int *)cbuserdata;
1125 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1126 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1129 cprintf("%d %d|-1|%s|%s|%s\n",
1136 client_write(content, length);
1142 * Load a message from disk into memory.
1143 * This is used by CtdlOutputMsg() and other fetch functions.
1145 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1146 * using the CtdlMessageFree() function.
1148 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1150 struct cdbdata *dmsgtext;
1151 struct CtdlMessage *ret = NULL;
1155 cit_uint8_t field_header;
1157 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1158 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1159 if (dmsgtext == NULL) {
1162 mptr = dmsgtext->ptr;
1163 upper_bound = mptr + dmsgtext->len;
1165 /* Parse the three bytes that begin EVERY message on disk.
1166 * The first is always 0xFF, the on-disk magic number.
1167 * The second is the anonymous/public type byte.
1168 * The third is the format type byte (vari, fixed, or MIME).
1172 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1176 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1177 memset(ret, 0, sizeof(struct CtdlMessage));
1179 ret->cm_magic = CTDLMESSAGE_MAGIC;
1180 ret->cm_anon_type = *mptr++; /* Anon type byte */
1181 ret->cm_format_type = *mptr++; /* Format type byte */
1184 * The rest is zero or more arbitrary fields. Load them in.
1185 * We're done when we encounter either a zero-length field or
1186 * have just processed the 'M' (message text) field.
1189 if (mptr >= upper_bound) {
1192 field_header = *mptr++;
1193 ret->cm_fields[field_header] = strdup(mptr);
1195 while (*mptr++ != 0); /* advance to next field */
1197 } while ((mptr < upper_bound) && (field_header != 'M'));
1201 /* Always make sure there's something in the msg text field. If
1202 * it's NULL, the message text is most likely stored separately,
1203 * so go ahead and fetch that. Failing that, just set a dummy
1204 * body so other code doesn't barf.
1206 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1207 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1208 if (dmsgtext != NULL) {
1209 ret->cm_fields['M'] = dmsgtext->ptr;
1210 dmsgtext->ptr = NULL;
1214 if (ret->cm_fields['M'] == NULL) {
1215 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1218 /* Perform "before read" hooks (aborting if any return nonzero) */
1219 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1220 CtdlFreeMessage(ret);
1229 * Returns 1 if the supplied pointer points to a valid Citadel message.
1230 * If the pointer is NULL or the magic number check fails, returns 0.
1232 int is_valid_message(struct CtdlMessage *msg) {
1235 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1236 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1242 void CtdlFreeMessageContents(struct CtdlMessage *msg)
1246 for (i = 0; i < 256; ++i)
1247 if (msg->cm_fields[i] != NULL) {
1248 free(msg->cm_fields[i]);
1251 msg->cm_magic = 0; /* just in case */
1254 * 'Destructor' for struct CtdlMessage
1256 void CtdlFreeMessage(struct CtdlMessage *msg)
1258 if (is_valid_message(msg) == 0)
1260 if (msg != NULL) free (msg);
1263 CtdlFreeMessageContents(msg);
1269 * Pre callback function for multipart/alternative
1271 * NOTE: this differs from the standard behavior for a reason. Normally when
1272 * displaying multipart/alternative you want to show the _last_ usable
1273 * format in the message. Here we show the _first_ one, because it's
1274 * usually text/plain. Since this set of functions is designed for text
1275 * output to non-MIME-aware clients, this is the desired behavior.
1278 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1279 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1280 char *cbid, void *cbuserdata)
1284 ma = (struct ma_info *)cbuserdata;
1285 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1286 if (!strcasecmp(cbtype, "multipart/alternative")) {
1290 if (!strcasecmp(cbtype, "message/rfc822")) {
1296 * Post callback function for multipart/alternative
1298 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1299 void *content, char *cbtype, char *cbcharset, size_t length,
1300 char *encoding, char *cbid, void *cbuserdata)
1304 ma = (struct ma_info *)cbuserdata;
1305 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1306 if (!strcasecmp(cbtype, "multipart/alternative")) {
1310 if (!strcasecmp(cbtype, "message/rfc822")) {
1316 * Inline callback function for mime parser that wants to display text
1318 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1319 void *content, char *cbtype, char *cbcharset, size_t length,
1320 char *encoding, char *cbid, void *cbuserdata)
1327 ma = (struct ma_info *)cbuserdata;
1330 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1331 partnum, filename, cbtype, (long)length);
1334 * If we're in the middle of a multipart/alternative scope and
1335 * we've already printed another section, skip this one.
1337 if ( (ma->is_ma) && (ma->did_print) ) {
1338 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1343 if ( (!strcasecmp(cbtype, "text/plain"))
1344 || (IsEmptyStr(cbtype)) ) {
1347 client_write(wptr, length);
1348 if (wptr[length-1] != '\n') {
1355 if (!strcasecmp(cbtype, "text/html")) {
1356 ptr = html_to_ascii(content, length, 80, 0);
1358 client_write(ptr, wlen);
1359 if ((wlen > 0) && (ptr[wlen-1] != '\n')) {
1366 if (ma->use_fo_hooks) {
1367 if (PerformFixedOutputHooks(cbtype, content, length)) {
1368 /* above function returns nonzero if it handled the part */
1373 if (strncasecmp(cbtype, "multipart/", 10)) {
1374 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1375 partnum, filename, cbtype, (long)length);
1381 * The client is elegant and sophisticated and wants to be choosy about
1382 * MIME content types, so figure out which multipart/alternative part
1383 * we're going to send.
1385 * We use a system of weights. When we find a part that matches one of the
1386 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1387 * and then set ma->chosen_pref to that MIME type's position in our preference
1388 * list. If we then hit another match, we only replace the first match if
1389 * the preference value is lower.
1391 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1392 void *content, char *cbtype, char *cbcharset, size_t length,
1393 char *encoding, char *cbid, void *cbuserdata)
1399 ma = (struct ma_info *)cbuserdata;
1401 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1402 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1403 // I don't know if there are any side effects! Please TEST TEST TEST
1404 //if (ma->is_ma > 0) {
1406 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1407 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1408 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1409 if (i < ma->chosen_pref) {
1410 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1411 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1412 ma->chosen_pref = i;
1419 * Now that we've chosen our preferred part, output it.
1421 void output_preferred(char *name,
1435 int add_newline = 0;
1438 char *decoded = NULL;
1439 size_t bytes_decoded;
1442 ma = (struct ma_info *)cbuserdata;
1444 /* This is not the MIME part you're looking for... */
1445 if (strcasecmp(partnum, ma->chosen_part)) return;
1447 /* If the content-type of this part is in our preferred formats
1448 * list, we can simply output it verbatim.
1450 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1451 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1452 if (!strcasecmp(buf, cbtype)) {
1453 /* Yeah! Go! W00t!! */
1454 if (ma->dont_decode == 0)
1455 rc = mime_decode_now (content,
1461 break; /* Give us the chance, maybe theres another one. */
1463 if (rc == 0) text_content = (char *)content;
1465 text_content = decoded;
1466 length = bytes_decoded;
1469 if (text_content[length-1] != '\n') {
1472 cprintf("Content-type: %s", cbtype);
1473 if (!IsEmptyStr(cbcharset)) {
1474 cprintf("; charset=%s", cbcharset);
1476 cprintf("\nContent-length: %d\n",
1477 (int)(length + add_newline) );
1478 if (!IsEmptyStr(encoding)) {
1479 cprintf("Content-transfer-encoding: %s\n", encoding);
1482 cprintf("Content-transfer-encoding: 7bit\n");
1484 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1486 if (client_write(text_content, length) == -1)
1488 syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1491 if (add_newline) cprintf("\n");
1492 if (decoded != NULL) free(decoded);
1497 /* No translations required or possible: output as text/plain */
1498 cprintf("Content-type: text/plain\n\n");
1500 if (ma->dont_decode == 0)
1501 rc = mime_decode_now (content,
1507 return; /* Give us the chance, maybe theres another one. */
1509 if (rc == 0) text_content = (char *)content;
1511 text_content = decoded;
1512 length = bytes_decoded;
1515 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1516 length, encoding, cbid, cbuserdata);
1517 if (decoded != NULL) free(decoded);
1522 char desired_section[64];
1529 * Callback function for
1531 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1532 void *content, char *cbtype, char *cbcharset, size_t length,
1533 char *encoding, char *cbid, void *cbuserdata)
1535 struct encapmsg *encap;
1537 encap = (struct encapmsg *)cbuserdata;
1539 /* Only proceed if this is the desired section... */
1540 if (!strcasecmp(encap->desired_section, partnum)) {
1541 encap->msglen = length;
1542 encap->msg = malloc(length + 2);
1543 memcpy(encap->msg, content, length);
1550 * Determine whether the specified message exists in the cached_msglist
1551 * (This is a security check)
1553 int check_cached_msglist(long msgnum) {
1555 /* cases in which we skip the check */
1556 if (!CC) return om_ok; /* not a session */
1557 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1558 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1559 if (CC->cached_num_msgs == 0) return om_access_denied; /* nothing to check */
1562 /* Do a binary search within the cached_msglist for the requested msgnum */
1564 int max = (CC->cached_num_msgs - 1);
1566 while (max >= min) {
1567 int middle = min + (max-min) / 2 ;
1568 if (msgnum == CC->cached_msglist[middle]) {
1571 if (msgnum > CC->cached_msglist[middle]) {
1579 return om_access_denied;
1584 * Determine whether the currently logged in session has permission to read
1585 * messages in the current room.
1587 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1588 if ( (!(CC->logged_in))
1589 && (!(CC->internal_pgm))
1590 && (!config.c_guest_logins)
1592 return(om_not_logged_in);
1599 * Get a message off disk. (returns om_* values found in msgbase.h)
1602 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1603 int mode, /* how would you like that message? */
1604 int headers_only, /* eschew the message body? */
1605 int do_proto, /* do Citadel protocol responses? */
1606 int crlf, /* Use CRLF newlines instead of LF? */
1607 char *section, /* NULL or a message/rfc822 section */
1608 int flags /* various flags; see msgbase.h */
1610 struct CtdlMessage *TheMessage = NULL;
1611 int retcode = om_no_such_msg;
1612 struct encapmsg encap;
1615 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1617 (section ? section : "<>")
1620 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1623 if (r == om_not_logged_in) {
1624 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1627 cprintf("%d An unknown error has occurred.\n", ERROR);
1634 * Check to make sure the message is actually IN this room
1636 r = check_cached_msglist(msg_num);
1637 if (r == om_access_denied) {
1638 /* Not in the cache? We get ONE shot to check it again. */
1639 CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, NULL, NULL);
1640 r = check_cached_msglist(msg_num);
1643 syslog(LOG_DEBUG, "Security check fail: message %ld is not in %s\n",
1644 msg_num, CC->room.QRname
1647 if (r == om_access_denied) {
1648 cprintf("%d message %ld was not found in this room\n",
1649 ERROR + HIGHER_ACCESS_REQUIRED,
1658 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1659 * request that we don't even bother loading the body into memory.
1661 if (headers_only == HEADERS_FAST) {
1662 TheMessage = CtdlFetchMessage(msg_num, 0);
1665 TheMessage = CtdlFetchMessage(msg_num, 1);
1668 if (TheMessage == NULL) {
1669 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1670 ERROR + MESSAGE_NOT_FOUND, msg_num);
1671 return(om_no_such_msg);
1674 /* Here is the weird form of this command, to process only an
1675 * encapsulated message/rfc822 section.
1677 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1678 memset(&encap, 0, sizeof encap);
1679 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1680 mime_parser(TheMessage->cm_fields['M'],
1682 *extract_encapsulated_message,
1683 NULL, NULL, (void *)&encap, 0
1685 CtdlFreeMessage(TheMessage);
1689 encap.msg[encap.msglen] = 0;
1690 TheMessage = convert_internet_message(encap.msg);
1691 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1693 /* Now we let it fall through to the bottom of this
1694 * function, because TheMessage now contains the
1695 * encapsulated message instead of the top-level
1696 * message. Isn't that neat?
1701 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1702 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1703 retcode = om_no_such_msg;
1708 /* Ok, output the message now */
1709 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1710 CtdlFreeMessage(TheMessage);
1716 char *qp_encode_email_addrs(char *source)
1718 char *user, *node, *name;
1719 const char headerStr[] = "=?UTF-8?Q?";
1723 int need_to_encode = 0;
1729 long nAddrPtrMax = 50;
1734 if (source == NULL) return source;
1735 if (IsEmptyStr(source)) return source;
1737 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1739 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1740 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1741 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1744 while (!IsEmptyStr (&source[i])) {
1745 if (nColons >= nAddrPtrMax){
1748 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1749 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1750 free (AddrPtr), AddrPtr = ptr;
1752 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1753 memset(&ptr[nAddrPtrMax], 0,
1754 sizeof (long) * nAddrPtrMax);
1756 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1757 free (AddrUtf8), AddrUtf8 = ptr;
1760 if (((unsigned char) source[i] < 32) ||
1761 ((unsigned char) source[i] > 126)) {
1763 AddrUtf8[nColons] = 1;
1765 if (source[i] == '"')
1766 InQuotes = !InQuotes;
1767 if (!InQuotes && source[i] == ',') {
1768 AddrPtr[nColons] = i;
1773 if (need_to_encode == 0) {
1780 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1781 Encoded = (char*) malloc (EncodedMaxLen);
1783 for (i = 0; i < nColons; i++)
1784 source[AddrPtr[i]++] = '\0';
1785 /* TODO: if libidn, this might get larger*/
1786 user = malloc(SourceLen + 1);
1787 node = malloc(SourceLen + 1);
1788 name = malloc(SourceLen + 1);
1792 for (i = 0; i < nColons && nPtr != NULL; i++) {
1793 nmax = EncodedMaxLen - (nPtr - Encoded);
1795 process_rfc822_addr(&source[AddrPtr[i]],
1799 /* TODO: libIDN here ! */
1800 if (IsEmptyStr(name)) {
1801 n = snprintf(nPtr, nmax,
1802 (i==0)?"%s@%s" : ",%s@%s",
1806 EncodedName = rfc2047encode(name, strlen(name));
1807 n = snprintf(nPtr, nmax,
1808 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1809 EncodedName, user, node);
1814 n = snprintf(nPtr, nmax,
1815 (i==0)?"%s" : ",%s",
1816 &source[AddrPtr[i]]);
1822 ptr = (char*) malloc(EncodedMaxLen * 2);
1823 memcpy(ptr, Encoded, EncodedMaxLen);
1824 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1825 free(Encoded), Encoded = ptr;
1827 i--; /* do it once more with properly lengthened buffer */
1830 for (i = 0; i < nColons; i++)
1831 source[--AddrPtr[i]] = ',';
1842 /* If the last item in a list of recipients was truncated to a partial address,
1843 * remove it completely in order to avoid choking libSieve
1845 void sanitize_truncated_recipient(char *str)
1848 if (num_tokens(str, ',') < 2) return;
1850 int len = strlen(str);
1851 if (len < 900) return;
1852 if (len > 998) str[998] = 0;
1854 char *cptr = strrchr(str, ',');
1857 char *lptr = strchr(cptr, '<');
1858 char *rptr = strchr(cptr, '>');
1860 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1866 void OutputCtdlMsgHeaders(
1867 struct CtdlMessage *TheMessage,
1868 int do_proto) /* do Citadel protocol responses? */
1874 char display_name[256];
1876 /* begin header processing loop for Citadel message format */
1877 safestrncpy(display_name, "<unknown>", sizeof display_name);
1878 if (TheMessage->cm_fields['A']) {
1879 strcpy(buf, TheMessage->cm_fields['A']);
1880 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1881 safestrncpy(display_name, "****", sizeof display_name);
1883 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1884 safestrncpy(display_name, "anonymous", sizeof display_name);
1887 safestrncpy(display_name, buf, sizeof display_name);
1889 if ((is_room_aide())
1890 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1891 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1892 size_t tmp = strlen(display_name);
1893 snprintf(&display_name[tmp],
1894 sizeof display_name - tmp,
1899 /* Don't show Internet address for users on the
1900 * local Citadel network.
1903 if (TheMessage->cm_fields['N'] != NULL)
1904 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1905 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1909 /* Now spew the header fields in the order we like them. */
1910 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1911 for (i=0; i<n; ++i) {
1912 k = (int) allkeys[i];
1914 if ( (TheMessage->cm_fields[k] != NULL)
1915 && (msgkeys[k] != NULL) ) {
1916 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1917 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1920 if (do_proto) cprintf("%s=%s\n",
1924 else if ((k == 'F') && (suppress_f)) {
1927 /* Masquerade display name if needed */
1929 if (do_proto) cprintf("%s=%s\n",
1931 TheMessage->cm_fields[k]
1940 void OutputRFC822MsgHeaders(
1941 struct CtdlMessage *TheMessage,
1942 int flags, /* should the bessage be exported clean */
1944 char *mid, long sizeof_mid,
1945 char *suser, long sizeof_suser,
1946 char *luser, long sizeof_luser,
1947 char *fuser, long sizeof_fuser,
1948 char *snode, long sizeof_snode)
1950 char datestamp[100];
1951 int subject_found = 0;
1958 for (i = 0; i < 256; ++i) {
1959 if (TheMessage->cm_fields[i]) {
1960 mptr = mpptr = TheMessage->cm_fields[i];
1963 safestrncpy(luser, mptr, sizeof_luser);
1964 safestrncpy(suser, mptr, sizeof_suser);
1966 else if (i == 'Y') {
1967 if ((flags & QP_EADDR) != 0) {
1968 mptr = qp_encode_email_addrs(mptr);
1970 sanitize_truncated_recipient(mptr);
1971 cprintf("CC: %s%s", mptr, nl);
1973 else if (i == 'P') {
1974 cprintf("Return-Path: %s%s", mptr, nl);
1976 else if (i == 'L') {
1977 cprintf("List-ID: %s%s", mptr, nl);
1979 else if (i == 'V') {
1980 if ((flags & QP_EADDR) != 0)
1981 mptr = qp_encode_email_addrs(mptr);
1983 while ((*hptr != '\0') && isspace(*hptr))
1985 if (!IsEmptyStr(hptr))
1986 cprintf("Envelope-To: %s%s", hptr, nl);
1988 else if (i == 'U') {
1989 cprintf("Subject: %s%s", mptr, nl);
1993 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
1995 safestrncpy(fuser, mptr, sizeof_fuser);
1996 /* else if (i == 'O')
1997 cprintf("X-Citadel-Room: %s%s",
2000 safestrncpy(snode, mptr, sizeof_snode);
2003 if (haschar(mptr, '@') == 0)
2005 sanitize_truncated_recipient(mptr);
2006 cprintf("To: %s@%s", mptr, config.c_fqdn);
2011 if ((flags & QP_EADDR) != 0) {
2012 mptr = qp_encode_email_addrs(mptr);
2014 sanitize_truncated_recipient(mptr);
2015 cprintf("To: %s", mptr);
2019 else if (i == 'T') {
2020 datestring(datestamp, sizeof datestamp,
2021 atol(mptr), DATESTRING_RFC822);
2022 cprintf("Date: %s%s", datestamp, nl);
2024 else if (i == 'W') {
2025 cprintf("References: ");
2026 k = num_tokens(mptr, '|');
2027 for (j=0; j<k; ++j) {
2028 extract_token(buf, mptr, j, '|', sizeof buf);
2029 cprintf("<%s>", buf);
2038 else if (i == 'K') {
2040 while ((*hptr != '\0') && isspace(*hptr))
2042 if (!IsEmptyStr(hptr))
2043 cprintf("Reply-To: %s%s", mptr, nl);
2049 if (subject_found == 0) {
2050 cprintf("Subject: (no subject)%s", nl);
2055 void Dump_RFC822HeadersBody(
2056 struct CtdlMessage *TheMessage,
2057 int headers_only, /* eschew the message body? */
2058 int flags, /* should the bessage be exported clean? */
2062 cit_uint8_t prev_ch;
2064 const char *StartOfText = StrBufNOTNULL;
2067 int nllen = strlen(nl);
2070 mptr = TheMessage->cm_fields['M'];
2074 while (*mptr != '\0') {
2075 if (*mptr == '\r') {
2082 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2084 eoh = *(mptr+1) == '\n';
2088 StartOfText = strchr(StartOfText, '\n');
2089 StartOfText = strchr(StartOfText, '\n');
2092 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2093 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2094 ((headers_only != HEADERS_NONE) &&
2095 (headers_only != HEADERS_ONLY))
2097 if (*mptr == '\n') {
2098 memcpy(&outbuf[outlen], nl, nllen);
2100 outbuf[outlen] = '\0';
2103 outbuf[outlen++] = *mptr;
2107 if (flags & ESC_DOT)
2109 if ((prev_ch == '\n') &&
2111 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2113 outbuf[outlen++] = '.';
2118 if (outlen > 1000) {
2119 if (client_write(outbuf, outlen) == -1)
2121 syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2128 client_write(outbuf, outlen);
2135 /* If the format type on disk is 1 (fixed-format), then we want
2136 * everything to be output completely literally ... regardless of
2137 * what message transfer format is in use.
2139 void DumpFormatFixed(
2140 struct CtdlMessage *TheMessage,
2141 int mode, /* how would you like that message? */
2148 int nllen = strlen (nl);
2151 mptr = TheMessage->cm_fields['M'];
2153 if (mode == MT_MIME) {
2154 cprintf("Content-type: text/plain\n\n");
2158 while (ch = *mptr++, ch > 0) {
2162 if ((buflen > 250) && (!xlline)){
2166 while ((buflen > 0) &&
2167 (!isspace(buf[buflen])))
2173 mptr -= tbuflen - buflen;
2178 /* if we reach the outer bounds of our buffer,
2179 abort without respect what whe purge. */
2182 (buflen > SIZ - nllen - 2)))
2186 memcpy (&buf[buflen], nl, nllen);
2190 if (client_write(buf, buflen) == -1)
2192 syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2204 if (!IsEmptyStr(buf))
2205 cprintf("%s%s", buf, nl);
2209 * Get a message off disk. (returns om_* values found in msgbase.h)
2211 int CtdlOutputPreLoadedMsg(
2212 struct CtdlMessage *TheMessage,
2213 int mode, /* how would you like that message? */
2214 int headers_only, /* eschew the message body? */
2215 int do_proto, /* do Citadel protocol responses? */
2216 int crlf, /* Use CRLF newlines instead of LF? */
2217 int flags /* should the bessage be exported clean? */
2221 const char *nl; /* newline string */
2224 /* Buffers needed for RFC822 translation. These are all filled
2225 * using functions that are bounds-checked, and therefore we can
2226 * make them substantially smaller than SIZ.
2234 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2235 ((TheMessage == NULL) ? "NULL" : "not null"),
2236 mode, headers_only, do_proto, crlf);
2238 strcpy(mid, "unknown");
2239 nl = (crlf ? "\r\n" : "\n");
2241 if (!is_valid_message(TheMessage)) {
2243 "ERROR: invalid preloaded message for output\n");
2245 return(om_no_such_msg);
2248 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2249 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2251 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2252 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2255 /* Are we downloading a MIME component? */
2256 if (mode == MT_DOWNLOAD) {
2257 if (TheMessage->cm_format_type != FMT_RFC822) {
2259 cprintf("%d This is not a MIME message.\n",
2260 ERROR + ILLEGAL_VALUE);
2261 } else if (CC->download_fp != NULL) {
2262 if (do_proto) cprintf(
2263 "%d You already have a download open.\n",
2264 ERROR + RESOURCE_BUSY);
2266 /* Parse the message text component */
2267 mptr = TheMessage->cm_fields['M'];
2268 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2269 /* If there's no file open by this time, the requested
2270 * section wasn't found, so print an error
2272 if (CC->download_fp == NULL) {
2273 if (do_proto) cprintf(
2274 "%d Section %s not found.\n",
2275 ERROR + FILE_NOT_FOUND,
2276 CC->download_desired_section);
2279 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2282 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2283 * in a single server operation instead of opening a download file.
2285 if (mode == MT_SPEW_SECTION) {
2286 if (TheMessage->cm_format_type != FMT_RFC822) {
2288 cprintf("%d This is not a MIME message.\n",
2289 ERROR + ILLEGAL_VALUE);
2291 /* Parse the message text component */
2294 mptr = TheMessage->cm_fields['M'];
2295 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2296 /* If section wasn't found, print an error
2299 if (do_proto) cprintf(
2300 "%d Section %s not found.\n",
2301 ERROR + FILE_NOT_FOUND,
2302 CC->download_desired_section);
2305 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2308 /* now for the user-mode message reading loops */
2309 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2311 /* Does the caller want to skip the headers? */
2312 if (headers_only == HEADERS_NONE) goto START_TEXT;
2314 /* Tell the client which format type we're using. */
2315 if ( (mode == MT_CITADEL) && (do_proto) ) {
2316 cprintf("type=%d\n", TheMessage->cm_format_type);
2319 /* nhdr=yes means that we're only displaying headers, no body */
2320 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2321 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2324 cprintf("nhdr=yes\n");
2327 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2328 OutputCtdlMsgHeaders(TheMessage, do_proto);
2331 /* begin header processing loop for RFC822 transfer format */
2335 strcpy(snode, NODENAME);
2336 if (mode == MT_RFC822)
2337 OutputRFC822MsgHeaders(
2342 suser, sizeof(suser),
2343 luser, sizeof(luser),
2344 fuser, sizeof(fuser),
2345 snode, sizeof(snode)
2349 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2350 suser[i] = tolower(suser[i]);
2351 if (!isalnum(suser[i])) suser[i]='_';
2354 if (mode == MT_RFC822) {
2355 if (!strcasecmp(snode, NODENAME)) {
2356 safestrncpy(snode, FQDN, sizeof snode);
2359 /* Construct a fun message id */
2360 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2361 if (strchr(mid, '@')==NULL) {
2362 cprintf("@%s", snode);
2366 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2367 cprintf("From: \"----\" <x@x.org>%s", nl);
2369 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2370 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2372 else if (!IsEmptyStr(fuser)) {
2373 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2376 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2379 /* Blank line signifying RFC822 end-of-headers */
2380 if (TheMessage->cm_format_type != FMT_RFC822) {
2385 /* end header processing loop ... at this point, we're in the text */
2387 if (headers_only == HEADERS_FAST) goto DONE;
2389 /* Tell the client about the MIME parts in this message */
2390 if (TheMessage->cm_format_type == FMT_RFC822) {
2391 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2392 mptr = TheMessage->cm_fields['M'];
2393 memset(&ma, 0, sizeof(struct ma_info));
2394 mime_parser(mptr, NULL,
2395 (do_proto ? *list_this_part : NULL),
2396 (do_proto ? *list_this_pref : NULL),
2397 (do_proto ? *list_this_suff : NULL),
2400 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2401 Dump_RFC822HeadersBody(
2410 if (headers_only == HEADERS_ONLY) {
2414 /* signify start of msg text */
2415 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2416 if (do_proto) cprintf("text\n");
2419 if (TheMessage->cm_format_type == FMT_FIXED)
2422 mode, /* how would you like that message? */
2425 /* If the message on disk is format 0 (Citadel vari-format), we
2426 * output using the formatter at 80 columns. This is the final output
2427 * form if the transfer format is RFC822, but if the transfer format
2428 * is Citadel proprietary, it'll still work, because the indentation
2429 * for new paragraphs is correct and the client will reformat the
2430 * message to the reader's screen width.
2432 if (TheMessage->cm_format_type == FMT_CITADEL) {
2433 mptr = TheMessage->cm_fields['M'];
2435 if (mode == MT_MIME) {
2436 cprintf("Content-type: text/x-citadel-variformat\n\n");
2441 /* If the message on disk is format 4 (MIME), we've gotta hand it
2442 * off to the MIME parser. The client has already been told that
2443 * this message is format 1 (fixed format), so the callback function
2444 * we use will display those parts as-is.
2446 if (TheMessage->cm_format_type == FMT_RFC822) {
2447 memset(&ma, 0, sizeof(struct ma_info));
2449 if (mode == MT_MIME) {
2450 ma.use_fo_hooks = 0;
2451 strcpy(ma.chosen_part, "1");
2452 ma.chosen_pref = 9999;
2453 ma.dont_decode = CC->msg4_dont_decode;
2454 mime_parser(mptr, NULL,
2455 *choose_preferred, *fixed_output_pre,
2456 *fixed_output_post, (void *)&ma, 1);
2457 mime_parser(mptr, NULL,
2458 *output_preferred, NULL, NULL, (void *)&ma, 1);
2461 ma.use_fo_hooks = 1;
2462 mime_parser(mptr, NULL,
2463 *fixed_output, *fixed_output_pre,
2464 *fixed_output_post, (void *)&ma, 0);
2469 DONE: /* now we're done */
2470 if (do_proto) cprintf("000\n");
2476 * display a message (mode 0 - Citadel proprietary)
2478 void cmd_msg0(char *cmdbuf)
2481 int headers_only = HEADERS_ALL;
2483 msgid = extract_long(cmdbuf, 0);
2484 headers_only = extract_int(cmdbuf, 1);
2486 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2492 * display a message (mode 2 - RFC822)
2494 void cmd_msg2(char *cmdbuf)
2497 int headers_only = HEADERS_ALL;
2499 msgid = extract_long(cmdbuf, 0);
2500 headers_only = extract_int(cmdbuf, 1);
2502 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2508 * display a message (mode 3 - IGnet raw format - internal programs only)
2510 void cmd_msg3(char *cmdbuf)
2513 struct CtdlMessage *msg = NULL;
2516 if (CC->internal_pgm == 0) {
2517 cprintf("%d This command is for internal programs only.\n",
2518 ERROR + HIGHER_ACCESS_REQUIRED);
2522 msgnum = extract_long(cmdbuf, 0);
2523 msg = CtdlFetchMessage(msgnum, 1);
2525 cprintf("%d Message %ld not found.\n",
2526 ERROR + MESSAGE_NOT_FOUND, msgnum);
2530 serialize_message(&smr, msg);
2531 CtdlFreeMessage(msg);
2534 cprintf("%d Unable to serialize message\n",
2535 ERROR + INTERNAL_ERROR);
2539 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2540 client_write((char *)smr.ser, (int)smr.len);
2547 * Display a message using MIME content types
2549 void cmd_msg4(char *cmdbuf)
2554 msgid = extract_long(cmdbuf, 0);
2555 extract_token(section, cmdbuf, 1, '|', sizeof section);
2556 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2562 * Client tells us its preferred message format(s)
2564 void cmd_msgp(char *cmdbuf)
2566 if (!strcasecmp(cmdbuf, "dont_decode")) {
2567 CC->msg4_dont_decode = 1;
2568 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2571 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2572 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2578 * Open a component of a MIME message as a download file
2580 void cmd_opna(char *cmdbuf)
2583 char desired_section[128];
2585 msgid = extract_long(cmdbuf, 0);
2586 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2587 safestrncpy(CC->download_desired_section, desired_section,
2588 sizeof CC->download_desired_section);
2589 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2594 * Open a component of a MIME message and transmit it all at once
2596 void cmd_dlat(char *cmdbuf)
2599 char desired_section[128];
2601 msgid = extract_long(cmdbuf, 0);
2602 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2603 safestrncpy(CC->download_desired_section, desired_section,
2604 sizeof CC->download_desired_section);
2605 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2610 * Save one or more message pointers into a specified room
2611 * (Returns 0 for success, nonzero for failure)
2612 * roomname may be NULL to use the current room
2614 * Note that the 'supplied_msg' field may be set to NULL, in which case
2615 * the message will be fetched from disk, by number, if we need to perform
2616 * replication checks. This adds an additional database read, so if the
2617 * caller already has the message in memory then it should be supplied. (Obviously
2618 * this mode of operation only works if we're saving a single message.)
2620 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2621 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2624 char hold_rm[ROOMNAMELEN];
2625 struct cdbdata *cdbfr;
2628 long highest_msg = 0L;
2631 struct CtdlMessage *msg = NULL;
2633 long *msgs_to_be_merged = NULL;
2634 int num_msgs_to_be_merged = 0;
2637 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2638 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2641 strcpy(hold_rm, CC->room.QRname);
2644 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2645 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2646 if (num_newmsgs > 1) supplied_msg = NULL;
2648 /* Now the regular stuff */
2649 if (CtdlGetRoomLock(&CC->room,
2650 ((roomname != NULL) ? roomname : CC->room.QRname) )
2652 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2653 return(ERROR + ROOM_NOT_FOUND);
2657 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2658 num_msgs_to_be_merged = 0;
2661 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2662 if (cdbfr == NULL) {
2666 msglist = (long *) cdbfr->ptr;
2667 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2668 num_msgs = cdbfr->len / sizeof(long);
2673 /* Create a list of msgid's which were supplied by the caller, but do
2674 * not already exist in the target room. It is absolutely taboo to
2675 * have more than one reference to the same message in a room.
2677 for (i=0; i<num_newmsgs; ++i) {
2679 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2680 if (msglist[j] == newmsgidlist[i]) {
2685 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2689 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2692 * Now merge the new messages
2694 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2695 if (msglist == NULL) {
2696 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2698 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2699 num_msgs += num_msgs_to_be_merged;
2701 /* Sort the message list, so all the msgid's are in order */
2702 num_msgs = sort_msglist(msglist, num_msgs);
2704 /* Determine the highest message number */
2705 highest_msg = msglist[num_msgs - 1];
2707 /* Write it back to disk. */
2708 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2709 msglist, (int)(num_msgs * sizeof(long)));
2711 /* Free up the memory we used. */
2714 /* Update the highest-message pointer and unlock the room. */
2715 CC->room.QRhighest = highest_msg;
2716 CtdlPutRoomLock(&CC->room);
2718 /* Perform replication checks if necessary */
2719 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2720 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2722 for (i=0; i<num_msgs_to_be_merged; ++i) {
2723 msgid = msgs_to_be_merged[i];
2725 if (supplied_msg != NULL) {
2729 msg = CtdlFetchMessage(msgid, 0);
2733 ReplicationChecks(msg);
2735 /* If the message has an Exclusive ID, index that... */
2736 if (msg->cm_fields['E'] != NULL) {
2737 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2740 /* Free up the memory we may have allocated */
2741 if (msg != supplied_msg) {
2742 CtdlFreeMessage(msg);
2750 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2753 /* Submit this room for processing by hooks */
2754 PerformRoomHooks(&CC->room);
2756 /* Go back to the room we were in before we wandered here... */
2757 CtdlGetRoom(&CC->room, hold_rm);
2759 /* Bump the reference count for all messages which were merged */
2760 if (!suppress_refcount_adj) {
2761 for (i=0; i<num_msgs_to_be_merged; ++i) {
2762 AdjRefCount(msgs_to_be_merged[i], +1);
2766 /* Free up memory... */
2767 if (msgs_to_be_merged != NULL) {
2768 free(msgs_to_be_merged);
2771 /* Return success. */
2777 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2780 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2781 int do_repl_check, struct CtdlMessage *supplied_msg)
2783 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2790 * Message base operation to save a new message to the message store
2791 * (returns new message number)
2793 * This is the back end for CtdlSubmitMsg() and should not be directly
2794 * called by server-side modules.
2797 long send_message(struct CtdlMessage *msg) {
2805 /* Get a new message number */
2806 newmsgid = get_new_message_number();
2807 snprintf(msgidbuf, sizeof msgidbuf, "%08lX-%08lX@%s",
2808 (long unsigned int) time(NULL),
2809 (long unsigned int) newmsgid,
2813 /* Generate an ID if we don't have one already */
2814 if (msg->cm_fields['I']==NULL) {
2815 msg->cm_fields['I'] = strdup(msgidbuf);
2818 /* If the message is big, set its body aside for storage elsewhere */
2819 if (msg->cm_fields['M'] != NULL) {
2820 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2822 holdM = msg->cm_fields['M'];
2823 msg->cm_fields['M'] = NULL;
2827 /* Serialize our data structure for storage in the database */
2828 serialize_message(&smr, msg);
2831 msg->cm_fields['M'] = holdM;
2835 cprintf("%d Unable to serialize message\n",
2836 ERROR + INTERNAL_ERROR);
2840 /* Write our little bundle of joy into the message base */
2841 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2842 smr.ser, smr.len) < 0) {
2843 syslog(LOG_ERR, "Can't store message\n");
2847 cdb_store(CDB_BIGMSGS,
2857 /* Free the memory we used for the serialized message */
2860 /* Return the *local* message ID to the caller
2861 * (even if we're storing an incoming network message)
2869 * Serialize a struct CtdlMessage into the format used on disk and network.
2871 * This function loads up a "struct ser_ret" (defined in server.h) which
2872 * contains the length of the serialized message and a pointer to the
2873 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2875 void serialize_message(struct ser_ret *ret, /* return values */
2876 struct CtdlMessage *msg) /* unserialized msg */
2878 size_t wlen, fieldlen;
2880 static char *forder = FORDER;
2883 * Check for valid message format
2885 if (is_valid_message(msg) == 0) {
2886 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2893 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2894 ret->len = ret->len +
2895 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2897 ret->ser = malloc(ret->len);
2898 if (ret->ser == NULL) {
2899 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2900 (long)ret->len, strerror(errno));
2907 ret->ser[1] = msg->cm_anon_type;
2908 ret->ser[2] = msg->cm_format_type;
2911 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2912 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2913 ret->ser[wlen++] = (char)forder[i];
2914 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2915 wlen = wlen + fieldlen + 1;
2917 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2918 (long)ret->len, (long)wlen);
2925 * Serialize a struct CtdlMessage into the format used on disk and network.
2927 * This function loads up a "struct ser_ret" (defined in server.h) which
2928 * contains the length of the serialized message and a pointer to the
2929 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2931 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2932 long Siz) /* how many chars ? */
2935 static char *forder = FORDER;
2939 * Check for valid message format
2941 if (is_valid_message(msg) == 0) {
2942 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2946 buf = (char*) malloc (Siz + 1);
2948 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2949 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2950 msg->cm_fields[(int)forder[i]]);
2951 if (client_write (buf, strlen(buf)) == -1)
2953 syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
2964 * Check to see if any messages already exist in the current room which
2965 * carry the same Exclusive ID as this one. If any are found, delete them.
2967 void ReplicationChecks(struct CtdlMessage *msg) {
2968 long old_msgnum = (-1L);
2970 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2972 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2975 /* No exclusive id? Don't do anything. */
2976 if (msg == NULL) return;
2977 if (msg->cm_fields['E'] == NULL) return;
2978 if (IsEmptyStr(msg->cm_fields['E'])) return;
2979 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2980 msg->cm_fields['E'], CC->room.QRname);*/
2982 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2983 if (old_msgnum > 0L) {
2984 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2985 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
2992 * Save a message to disk and submit it into the delivery system.
2994 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
2995 struct recptypes *recps, /* recipients (if mail) */
2996 const char *force, /* force a particular room? */
2997 int flags /* should the message be exported clean? */
3000 char submit_filename[128];
3001 char generated_timestamp[32];
3002 char hold_rm[ROOMNAMELEN];
3003 char actual_rm[ROOMNAMELEN];
3004 char force_room[ROOMNAMELEN];
3005 char content_type[SIZ]; /* We have to learn this */
3006 char recipient[SIZ];
3008 const char *mptr = NULL;
3009 struct ctdluser userbuf;
3011 struct MetaData smi;
3012 FILE *network_fp = NULL;
3013 static int seqnum = 1;
3014 struct CtdlMessage *imsg = NULL;
3016 size_t instr_alloc = 0;
3018 char *hold_R, *hold_D;
3019 char *collected_addresses = NULL;
3020 struct addresses_to_be_filed *aptr = NULL;
3021 StrBuf *saved_rfc822_version = NULL;
3022 int qualified_for_journaling = 0;
3023 CitContext *CCC = MyContext();
3024 char bounce_to[1024] = "";
3028 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3029 if (is_valid_message(msg) == 0) return(-1); /* self check */
3031 /* If this message has no timestamp, we take the liberty of
3032 * giving it one, right now.
3034 if (msg->cm_fields['T'] == NULL) {
3035 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3036 msg->cm_fields['T'] = strdup(generated_timestamp);
3039 /* If this message has no path, we generate one.
3041 if (msg->cm_fields['P'] == NULL) {
3042 if (msg->cm_fields['A'] != NULL) {
3043 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3044 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3045 if (isspace(msg->cm_fields['P'][a])) {
3046 msg->cm_fields['P'][a] = ' ';
3051 msg->cm_fields['P'] = strdup("unknown");
3055 if (force == NULL) {
3056 strcpy(force_room, "");
3059 strcpy(force_room, force);
3062 /* Learn about what's inside, because it's what's inside that counts */
3063 if (msg->cm_fields['M'] == NULL) {
3064 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3068 switch (msg->cm_format_type) {
3070 strcpy(content_type, "text/x-citadel-variformat");
3073 strcpy(content_type, "text/plain");
3076 strcpy(content_type, "text/plain");
3077 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3080 safestrncpy(content_type, &mptr[13], sizeof content_type);
3081 striplt(content_type);
3082 aptr = content_type;
3083 while (!IsEmptyStr(aptr)) {
3095 /* Goto the correct room */
3096 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3097 strcpy(hold_rm, CCC->room.QRname);
3098 strcpy(actual_rm, CCC->room.QRname);
3099 if (recps != NULL) {
3100 strcpy(actual_rm, SENTITEMS);
3103 /* If the user is a twit, move to the twit room for posting */
3105 if (CCC->user.axlevel == AxProbU) {
3106 strcpy(hold_rm, actual_rm);
3107 strcpy(actual_rm, config.c_twitroom);
3108 syslog(LOG_DEBUG, "Diverting to twit room\n");
3112 /* ...or if this message is destined for Aide> then go there. */
3113 if (!IsEmptyStr(force_room)) {
3114 strcpy(actual_rm, force_room);
3117 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3118 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3119 /* CtdlGetRoom(&CCC->room, actual_rm); */
3120 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3124 * If this message has no O (room) field, generate one.
3126 if (msg->cm_fields['O'] == NULL) {
3127 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3130 /* Perform "before save" hooks (aborting if any return nonzero) */
3131 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3132 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3135 * If this message has an Exclusive ID, and the room is replication
3136 * checking enabled, then do replication checks.
3138 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3139 ReplicationChecks(msg);
3142 /* Save it to disk */
3143 syslog(LOG_DEBUG, "Saving to disk\n");
3144 newmsgid = send_message(msg);
3145 if (newmsgid <= 0L) return(-5);
3147 /* Write a supplemental message info record. This doesn't have to
3148 * be a critical section because nobody else knows about this message
3151 syslog(LOG_DEBUG, "Creating MetaData record\n");
3152 memset(&smi, 0, sizeof(struct MetaData));
3153 smi.meta_msgnum = newmsgid;
3154 smi.meta_refcount = 0;
3155 safestrncpy(smi.meta_content_type, content_type,
3156 sizeof smi.meta_content_type);
3159 * Measure how big this message will be when rendered as RFC822.
3160 * We do this for two reasons:
3161 * 1. We need the RFC822 length for the new metadata record, so the
3162 * POP and IMAP services don't have to calculate message lengths
3163 * while the user is waiting (multiplied by potentially hundreds
3164 * or thousands of messages).
3165 * 2. If journaling is enabled, we will need an RFC822 version of the
3166 * message to attach to the journalized copy.
3168 if (CCC->redirect_buffer != NULL) {
3169 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3172 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3173 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3174 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3175 saved_rfc822_version = CCC->redirect_buffer;
3176 CCC->redirect_buffer = NULL;
3180 /* Now figure out where to store the pointers */
3181 syslog(LOG_DEBUG, "Storing pointers\n");
3183 /* If this is being done by the networker delivering a private
3184 * message, we want to BYPASS saving the sender's copy (because there
3185 * is no local sender; it would otherwise go to the Trashcan).
3187 if ((!CCC->internal_pgm) || (recps == NULL)) {
3188 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3189 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3190 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3194 /* For internet mail, drop a copy in the outbound queue room */
3195 if ((recps != NULL) && (recps->num_internet > 0)) {
3196 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3199 /* If other rooms are specified, drop them there too. */
3200 if ((recps != NULL) && (recps->num_room > 0))
3201 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3202 extract_token(recipient, recps->recp_room, i,
3203 '|', sizeof recipient);
3204 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3205 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3208 /* Bump this user's messages posted counter. */
3209 syslog(LOG_DEBUG, "Updating user\n");
3210 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3211 CCC->user.posted = CCC->user.posted + 1;
3212 CtdlPutUserLock(&CCC->user);
3214 /* Decide where bounces need to be delivered */
3215 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3216 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3218 else if (CCC->logged_in) {
3219 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3222 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3225 /* If this is private, local mail, make a copy in the
3226 * recipient's mailbox and bump the reference count.
3228 if ((recps != NULL) && (recps->num_local > 0))
3229 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3230 extract_token(recipient, recps->recp_local, i,
3231 '|', sizeof recipient);
3232 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3234 if (CtdlGetUser(&userbuf, recipient) == 0) {
3235 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3236 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3237 CtdlBumpNewMailCounter(userbuf.usernum);
3238 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3239 /* Generate a instruction message for the Funambol notification
3240 * server, in the same style as the SMTP queue
3243 instr = malloc(instr_alloc);
3244 snprintf(instr, instr_alloc,
3245 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3247 SPOOLMIME, newmsgid, (long)time(NULL),
3251 imsg = malloc(sizeof(struct CtdlMessage));
3252 memset(imsg, 0, sizeof(struct CtdlMessage));
3253 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3254 imsg->cm_anon_type = MES_NORMAL;
3255 imsg->cm_format_type = FMT_RFC822;
3256 imsg->cm_fields['A'] = strdup("Citadel");
3257 imsg->cm_fields['J'] = strdup("do not journal");
3258 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3259 imsg->cm_fields['2'] = strdup(recipient);
3260 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3261 CtdlFreeMessage(imsg);
3265 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3266 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3270 /* Perform "after save" hooks */
3271 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3272 if (msg->cm_fields['3'] != NULL) free(msg->cm_fields['3']);
3273 msg->cm_fields['3'] = malloc(20);
3274 snprintf(msg->cm_fields['3'], 20, "%ld", newmsgid);
3275 PerformMessageHooks(msg, EVT_AFTERSAVE);
3276 free(msg->cm_fields['3']);
3277 msg->cm_fields['3'] = NULL;
3279 /* For IGnet mail, we have to save a new copy into the spooler for
3280 * each recipient, with the R and D fields set to the recipient and
3281 * destination-node. This has two ugly side effects: all other
3282 * recipients end up being unlisted in this recipient's copy of the
3283 * message, and it has to deliver multiple messages to the same
3284 * node. We'll revisit this again in a year or so when everyone has
3285 * a network spool receiver that can handle the new style messages.
3287 if ((recps != NULL) && (recps->num_ignet > 0))
3288 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3289 extract_token(recipient, recps->recp_ignet, i,
3290 '|', sizeof recipient);
3292 hold_R = msg->cm_fields['R'];
3293 hold_D = msg->cm_fields['D'];
3294 msg->cm_fields['R'] = malloc(SIZ);
3295 msg->cm_fields['D'] = malloc(128);
3296 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3297 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3299 serialize_message(&smr, msg);
3301 snprintf(submit_filename, sizeof submit_filename,
3302 "%s/netmail.%04lx.%04x.%04x",
3304 (long) getpid(), CCC->cs_pid, ++seqnum);
3305 network_fp = fopen(submit_filename, "wb+");
3306 if (network_fp != NULL) {
3307 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3309 syslog(LOG_EMERG, "CtdlSubmitMsg(): Couldn't write network spool file: %s\n",
3317 free(msg->cm_fields['R']);
3318 free(msg->cm_fields['D']);
3319 msg->cm_fields['R'] = hold_R;
3320 msg->cm_fields['D'] = hold_D;
3323 /* Go back to the room we started from */
3324 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3325 if (strcasecmp(hold_rm, CCC->room.QRname))
3326 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3328 /* For internet mail, generate delivery instructions.
3329 * Yes, this is recursive. Deal with it. Infinite recursion does
3330 * not happen because the delivery instructions message does not
3331 * contain a recipient.
3333 if ((recps != NULL) && (recps->num_internet > 0)) {
3334 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3336 instr = malloc(instr_alloc);
3337 snprintf(instr, instr_alloc,
3338 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3340 SPOOLMIME, newmsgid, (long)time(NULL),
3344 if (recps->envelope_from != NULL) {
3345 tmp = strlen(instr);
3346 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3349 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3350 tmp = strlen(instr);
3351 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3352 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3353 instr_alloc = instr_alloc * 2;
3354 instr = realloc(instr, instr_alloc);
3356 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3359 imsg = malloc(sizeof(struct CtdlMessage));
3360 memset(imsg, 0, sizeof(struct CtdlMessage));
3361 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3362 imsg->cm_anon_type = MES_NORMAL;
3363 imsg->cm_format_type = FMT_RFC822;
3364 imsg->cm_fields['A'] = strdup("Citadel");
3365 imsg->cm_fields['J'] = strdup("do not journal");
3366 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3367 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3368 CtdlFreeMessage(imsg);
3372 * Any addresses to harvest for someone's address book?
3374 if ( (CCC->logged_in) && (recps != NULL) ) {
3375 collected_addresses = harvest_collected_addresses(msg);
3378 if (collected_addresses != NULL) {
3379 aptr = (struct addresses_to_be_filed *)
3380 malloc(sizeof(struct addresses_to_be_filed));
3381 CtdlMailboxName(actual_rm, sizeof actual_rm,
3382 &CCC->user, USERCONTACTSROOM);
3383 aptr->roomname = strdup(actual_rm);
3384 aptr->collected_addresses = collected_addresses;
3385 begin_critical_section(S_ATBF);
3388 end_critical_section(S_ATBF);
3392 * Determine whether this message qualifies for journaling.
3394 if (msg->cm_fields['J'] != NULL) {
3395 qualified_for_journaling = 0;
3398 if (recps == NULL) {
3399 qualified_for_journaling = config.c_journal_pubmsgs;
3401 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3402 qualified_for_journaling = config.c_journal_email;
3405 qualified_for_journaling = config.c_journal_pubmsgs;
3410 * Do we have to perform journaling? If so, hand off the saved
3411 * RFC822 version will be handed off to the journaler for background
3412 * submit. Otherwise, we have to free the memory ourselves.
3414 if (saved_rfc822_version != NULL) {
3415 if (qualified_for_journaling) {
3416 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3419 FreeStrBuf(&saved_rfc822_version);
3429 void aide_message (char *text, char *subject)
3431 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3436 * Convenience function for generating small administrative messages.
3438 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3439 int format_type, const char *subject)
3441 struct CtdlMessage *msg;
3442 struct recptypes *recp = NULL;
3444 msg = malloc(sizeof(struct CtdlMessage));
3445 memset(msg, 0, sizeof(struct CtdlMessage));
3446 msg->cm_magic = CTDLMESSAGE_MAGIC;
3447 msg->cm_anon_type = MES_NORMAL;
3448 msg->cm_format_type = format_type;
3451 msg->cm_fields['A'] = strdup(from);
3453 else if (fromaddr != NULL) {
3454 msg->cm_fields['A'] = strdup(fromaddr);
3455 if (strchr(msg->cm_fields['A'], '@')) {
3456 *strchr(msg->cm_fields['A'], '@') = 0;
3460 msg->cm_fields['A'] = strdup("Citadel");
3463 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3464 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3465 msg->cm_fields['N'] = strdup(NODENAME);
3467 msg->cm_fields['R'] = strdup(to);
3468 recp = validate_recipients(to, NULL, 0);
3470 if (subject != NULL) {
3471 msg->cm_fields['U'] = strdup(subject);
3473 msg->cm_fields['M'] = strdup(text);
3475 CtdlSubmitMsg(msg, recp, room, 0);
3476 CtdlFreeMessage(msg);
3477 if (recp != NULL) free_recipients(recp);
3483 * Back end function used by CtdlMakeMessage() and similar functions
3485 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3487 size_t maxlen, /* maximum message length */
3488 char *exist, /* if non-null, append to it;
3489 exist is ALWAYS freed */
3490 int crlf, /* CRLF newlines instead of LF */
3491 int *sock /* socket handle or 0 for this session's client socket */
3500 LineBuf = NewStrBufPlain(NULL, SIZ);
3501 if (exist == NULL) {
3502 Message = NewStrBufPlain(NULL, 4 * SIZ);
3505 Message = NewStrBufPlain(exist, -1);
3509 /* Do we need to change leading ".." to "." for SMTP escaping? */
3510 if ((tlen == 1) && (*terminator == '.')) {
3514 /* read in the lines of message text one by one */
3517 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3522 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3524 if ((StrLength(LineBuf) == tlen) &&
3525 (!strcmp(ChrPtr(LineBuf), terminator)))
3528 if ( (!flushing) && (!finished) ) {
3530 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3533 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3536 /* Unescape SMTP-style input of two dots at the beginning of the line */
3538 (StrLength(LineBuf) == 2) &&
3539 (!strcmp(ChrPtr(LineBuf), "..")))
3541 StrBufCutLeft(LineBuf, 1);
3544 StrBufAppendBuf(Message, LineBuf, 0);
3547 /* if we've hit the max msg length, flush the rest */
3548 if (StrLength(Message) >= maxlen) flushing = 1;
3550 } while (!finished);
3551 FreeStrBuf(&LineBuf);
3555 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3559 FreeStrBuf(&(*Msg)->MsgBuf);
3565 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3567 size_t maxlen, /* maximum message length */
3568 size_t expectlen, /* if we expect a message, how long should it be? */
3569 char *exist, /* if non-null, append to it;
3570 exist is ALWAYS freed */
3571 long eLen, /* length of exist */
3572 int crlf /* CRLF newlines instead of LF */
3575 ReadAsyncMsg *NewMsg;
3577 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3578 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3580 if (exist == NULL) {
3583 if (expectlen == 0) {
3587 len = expectlen + 10;
3589 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3592 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3595 /* Do we need to change leading ".." to "." for SMTP escaping? */
3596 if ((tlen == 1) && (*terminator == '.')) {
3600 NewMsg->terminator = terminator;
3601 NewMsg->tlen = tlen;
3603 NewMsg->maxlen = maxlen;
3605 NewMsg->crlf = crlf;
3611 * Back end function used by CtdlMakeMessage() and similar functions
3613 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3615 ReadAsyncMsg *ReadMsg;
3616 int MsgFinished = 0;
3617 eReadState Finished = eMustReadMore;
3622 const char *pch = ChrPtr(IO->SendBuf.Buf);
3623 const char *pchh = IO->SendBuf.ReadWritePointer;
3629 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3630 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3631 ((CitContext*)(IO->CitContext))->ServiceName,
3634 fd = fopen(fn, "a+");
3637 ReadMsg = IO->ReadMsg;
3639 /* read in the lines of message text one by one */
3641 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3644 case eMustReadMore: /// read new from socket...
3646 if (IO->RecvBuf.ReadWritePointer != NULL) {
3647 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3648 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3650 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3654 fprintf(fd, "BufferEmpty! \n");
3660 case eBufferNotEmpty: /* shouldn't happen... */
3661 case eReadSuccess: /// done for now...
3663 case eReadFail: /// WHUT?
3669 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3670 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3673 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3676 else if (!ReadMsg->flushing) {
3679 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3682 /* Unescape SMTP-style input of two dots at the beginning of the line */
3683 if ((ReadMsg->dodot) &&
3684 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3685 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3688 fprintf(fd, "UnEscaped!\n");
3690 StrBufCutLeft(IO->IOBuf, 1);
3693 if (ReadMsg->crlf) {
3694 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3697 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3700 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3703 /* if we've hit the max msg length, flush the rest */
3704 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3706 } while (!MsgFinished);
3709 fprintf(fd, "Done with reading; %s.\n, ",
3710 (MsgFinished)?"Message Finished": "FAILED");
3714 return eReadSuccess;
3721 * Back end function used by CtdlMakeMessage() and similar functions
3723 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3725 size_t maxlen, /* maximum message length */
3726 char *exist, /* if non-null, append to it;
3727 exist is ALWAYS freed */
3728 int crlf, /* CRLF newlines instead of LF */
3729 int *sock /* socket handle or 0 for this session's client socket */
3734 Message = CtdlReadMessageBodyBuf(terminator,
3740 if (Message == NULL)
3743 return SmashStrBuf(&Message);
3748 * Build a binary message to be saved on disk.
3749 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3750 * will become part of the message. This means you are no longer
3751 * responsible for managing that memory -- it will be freed along with
3752 * the rest of the fields when CtdlFreeMessage() is called.)
3755 struct CtdlMessage *CtdlMakeMessage(
3756 struct ctdluser *author, /* author's user structure */
3757 char *recipient, /* NULL if it's not mail */
3758 char *recp_cc, /* NULL if it's not mail */
3759 char *room, /* room where it's going */
3760 int type, /* see MES_ types in header file */
3761 int format_type, /* variformat, plain text, MIME... */
3762 char *fake_name, /* who we're masquerading as */
3763 char *my_email, /* which of my email addresses to use (empty is ok) */
3764 char *subject, /* Subject (optional) */
3765 char *supplied_euid, /* ...or NULL if this is irrelevant */
3766 char *preformatted_text, /* ...or NULL to read text from client */
3767 char *references /* Thread references */
3769 char dest_node[256];
3771 struct CtdlMessage *msg;
3773 StrBuf *FakeEncAuthor = NULL;
3775 msg = malloc(sizeof(struct CtdlMessage));
3776 memset(msg, 0, sizeof(struct CtdlMessage));
3777 msg->cm_magic = CTDLMESSAGE_MAGIC;
3778 msg->cm_anon_type = type;
3779 msg->cm_format_type = format_type;
3781 /* Don't confuse the poor folks if it's not routed mail. */
3782 strcpy(dest_node, "");
3784 if (recipient != NULL) striplt(recipient);
3785 if (recp_cc != NULL) striplt(recp_cc);
3787 /* Path or Return-Path */
3788 if (my_email == NULL) my_email = "";
3790 if (!IsEmptyStr(my_email)) {
3791 msg->cm_fields['P'] = strdup(my_email);
3794 snprintf(buf, sizeof buf, "%s", author->fullname);
3795 msg->cm_fields['P'] = strdup(buf);
3797 convert_spaces_to_underscores(msg->cm_fields['P']);
3799 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3800 msg->cm_fields['T'] = strdup(buf);
3802 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3803 FakeAuthor = NewStrBufPlain (fake_name, -1);
3806 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3808 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3809 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3810 FreeStrBuf(&FakeAuthor);
3812 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3813 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3816 msg->cm_fields['O'] = strdup(CC->room.QRname);
3819 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3820 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3822 if ((recipient != NULL) && (recipient[0] != 0)) {
3823 msg->cm_fields['R'] = strdup(recipient);
3825 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3826 msg->cm_fields['Y'] = strdup(recp_cc);
3828 if (dest_node[0] != 0) {
3829 msg->cm_fields['D'] = strdup(dest_node);
3832 if (!IsEmptyStr(my_email)) {
3833 msg->cm_fields['F'] = strdup(my_email);
3835 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3836 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3839 if (subject != NULL) {
3842 length = strlen(subject);
3848 while ((subject[i] != '\0') &&
3849 (IsAscii = isascii(subject[i]) != 0 ))
3852 msg->cm_fields['U'] = strdup(subject);
3853 else /* ok, we've got utf8 in the string. */
3855 msg->cm_fields['U'] = rfc2047encode(subject, length);
3861 if (supplied_euid != NULL) {
3862 msg->cm_fields['E'] = strdup(supplied_euid);
3865 if ((references != NULL) && (!IsEmptyStr(references))) {
3866 if (msg->cm_fields['W'] != NULL)
3867 free(msg->cm_fields['W']);
3868 msg->cm_fields['W'] = strdup(references);
3871 if (preformatted_text != NULL) {
3872 msg->cm_fields['M'] = preformatted_text;
3875 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3881 extern int netconfig_check_roomaccess(
3884 const char* RemoteIdentifier); /* TODO: find a smarter way */
3887 * Check to see whether we have permission to post a message in the current
3888 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3889 * returns 0 on success.
3891 int CtdlDoIHavePermissionToPostInThisRoom(
3894 const char* RemoteIdentifier,
3900 if (!(CC->logged_in) &&
3901 (PostPublic == POST_LOGGED_IN)) {
3902 snprintf(errmsgbuf, n, "Not logged in.");
3903 return (ERROR + NOT_LOGGED_IN);
3905 else if (PostPublic == CHECK_EXISTANCE) {
3906 return (0); // We're Evaling whether a recipient exists
3908 else if (!(CC->logged_in)) {
3910 if ((CC->room.QRflags & QR_READONLY)) {
3911 snprintf(errmsgbuf, n, "Not logged in.");
3912 return (ERROR + NOT_LOGGED_IN);
3914 if (CC->room.QRflags2 & QR2_MODERATED) {
3915 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3916 return (ERROR + NOT_LOGGED_IN);
3918 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3920 return netconfig_check_roomaccess(errmsgbuf, n, RemoteIdentifier);
3926 if ((CC->user.axlevel < AxProbU)
3927 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3928 snprintf(errmsgbuf, n, "Need to be validated to enter (except in %s> to sysop)", MAILROOM);
3929 return (ERROR + HIGHER_ACCESS_REQUIRED);
3932 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3934 if (ra & UA_POSTALLOWED) {
3935 strcpy(errmsgbuf, "OK to post or reply here");
3939 if ( (ra & UA_REPLYALLOWED) && (is_reply) ) {
3941 * To be thorough, we ought to check to see if the message they are
3942 * replying to is actually a valid one in this room, but unless this
3943 * actually becomes a problem we'll go with high performance instead.
3945 strcpy(errmsgbuf, "OK to reply here");
3949 if ( (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3950 /* Clarify what happened with a better error message */
3951 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3952 return (ERROR + HIGHER_ACCESS_REQUIRED);
3955 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3956 return (ERROR + HIGHER_ACCESS_REQUIRED);
3962 * Check to see if the specified user has Internet mail permission
3963 * (returns nonzero if permission is granted)
3965 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3967 /* Do not allow twits to send Internet mail */
3968 if (who->axlevel <= AxProbU) return(0);
3970 /* Globally enabled? */
3971 if (config.c_restrict == 0) return(1);
3973 /* User flagged ok? */
3974 if (who->flags & US_INTERNET) return(2);
3976 /* Aide level access? */
3977 if (who->axlevel >= AxAideU) return(3);
3979 /* No mail for you! */
3985 * Validate recipients, count delivery types and errors, and handle aliasing
3986 * FIXME check for dupes!!!!!
3988 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3989 * were specified, or the number of addresses found invalid.
3991 * Caller needs to free the result using free_recipients()
3993 struct recptypes *validate_recipients(const char *supplied_recipients,
3994 const char *RemoteIdentifier,
3996 struct recptypes *ret;
3997 char *recipients = NULL;
3998 char this_recp[256];
3999 char this_recp_cooked[256];
4005 struct ctdluser tempUS;
4006 struct ctdlroom tempQR;
4007 struct ctdlroom tempQR2;
4013 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4014 if (ret == NULL) return(NULL);
4016 /* Set all strings to null and numeric values to zero */
4017 memset(ret, 0, sizeof(struct recptypes));
4019 if (supplied_recipients == NULL) {
4020 recipients = strdup("");
4023 recipients = strdup(supplied_recipients);
4026 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4027 * actually need, but it's healthier for the heap than doing lots of tiny
4028 * realloc() calls instead.
4031 ret->errormsg = malloc(strlen(recipients) + 1024);
4032 ret->recp_local = malloc(strlen(recipients) + 1024);
4033 ret->recp_internet = malloc(strlen(recipients) + 1024);
4034 ret->recp_ignet = malloc(strlen(recipients) + 1024);
4035 ret->recp_room = malloc(strlen(recipients) + 1024);
4036 ret->display_recp = malloc(strlen(recipients) + 1024);
4038 ret->errormsg[0] = 0;
4039 ret->recp_local[0] = 0;
4040 ret->recp_internet[0] = 0;
4041 ret->recp_ignet[0] = 0;
4042 ret->recp_room[0] = 0;
4043 ret->display_recp[0] = 0;
4045 ret->recptypes_magic = RECPTYPES_MAGIC;
4047 /* Change all valid separator characters to commas */
4048 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4049 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4050 recipients[i] = ',';
4054 /* Now start extracting recipients... */
4056 while (!IsEmptyStr(recipients)) {
4058 for (i=0; i<=strlen(recipients); ++i) {
4059 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4060 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4061 safestrncpy(this_recp, recipients, i+1);
4063 if (recipients[i] == ',') {
4064 strcpy(recipients, &recipients[i+1]);
4067 strcpy(recipients, "");
4074 if (IsEmptyStr(this_recp))
4076 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4078 mailtype = alias(this_recp);
4079 mailtype = alias(this_recp);
4080 mailtype = alias(this_recp);
4082 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
4083 if (this_recp[j]=='_') {
4084 this_recp_cooked[j] = ' ';
4087 this_recp_cooked[j] = this_recp[j];
4090 this_recp_cooked[j] = '\0';
4095 if (!strcasecmp(this_recp, "sysop")) {
4097 strcpy(this_recp, config.c_aideroom);
4098 if (!IsEmptyStr(ret->recp_room)) {
4099 strcat(ret->recp_room, "|");
4101 strcat(ret->recp_room, this_recp);
4103 else if ( (!strncasecmp(this_recp, "room_", 5))
4104 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4106 /* Save room so we can restore it later */
4110 /* Check permissions to send mail to this room */
4111 err = CtdlDoIHavePermissionToPostInThisRoom(
4116 0 /* 0 = not a reply */
4125 if (!IsEmptyStr(ret->recp_room)) {
4126 strcat(ret->recp_room, "|");
4128 strcat(ret->recp_room, &this_recp_cooked[5]);
4131 /* Restore room in case something needs it */
4135 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4137 strcpy(this_recp, tempUS.fullname);
4138 if (!IsEmptyStr(ret->recp_local)) {
4139 strcat(ret->recp_local, "|");
4141 strcat(ret->recp_local, this_recp);
4143 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4145 strcpy(this_recp, tempUS.fullname);
4146 if (!IsEmptyStr(ret->recp_local)) {
4147 strcat(ret->recp_local, "|");
4149 strcat(ret->recp_local, this_recp);
4157 /* Yes, you're reading this correctly: if the target
4158 * domain points back to the local system or an attached
4159 * Citadel directory, the address is invalid. That's
4160 * because if the address were valid, we would have
4161 * already translated it to a local address by now.
4163 if (IsDirectory(this_recp, 0)) {
4168 ++ret->num_internet;
4169 if (!IsEmptyStr(ret->recp_internet)) {
4170 strcat(ret->recp_internet, "|");
4172 strcat(ret->recp_internet, this_recp);
4177 if (!IsEmptyStr(ret->recp_ignet)) {
4178 strcat(ret->recp_ignet, "|");
4180 strcat(ret->recp_ignet, this_recp);
4188 if (IsEmptyStr(errmsg)) {
4189 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4192 snprintf(append, sizeof append, "%s", errmsg);
4194 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4195 if (!IsEmptyStr(ret->errormsg)) {
4196 strcat(ret->errormsg, "; ");
4198 strcat(ret->errormsg, append);
4202 if (IsEmptyStr(ret->display_recp)) {
4203 strcpy(append, this_recp);
4206 snprintf(append, sizeof append, ", %s", this_recp);
4208 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4209 strcat(ret->display_recp, append);
4214 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4215 ret->num_room + ret->num_error) == 0) {
4216 ret->num_error = (-1);
4217 strcpy(ret->errormsg, "No recipients specified.");
4220 syslog(LOG_DEBUG, "validate_recipients()\n");
4221 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4222 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4223 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4224 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4225 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4233 * Destructor for struct recptypes
4235 void free_recipients(struct recptypes *valid) {
4237 if (valid == NULL) {
4241 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4242 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4246 if (valid->errormsg != NULL) free(valid->errormsg);
4247 if (valid->recp_local != NULL) free(valid->recp_local);
4248 if (valid->recp_internet != NULL) free(valid->recp_internet);
4249 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4250 if (valid->recp_room != NULL) free(valid->recp_room);
4251 if (valid->display_recp != NULL) free(valid->display_recp);
4252 if (valid->bounce_to != NULL) free(valid->bounce_to);
4253 if (valid->envelope_from != NULL) free(valid->envelope_from);
4260 * message entry - mode 0 (normal)
4262 void cmd_ent0(char *entargs)
4264 struct CitContext *CCC = CC;
4269 char supplied_euid[128];
4271 int format_type = 0;
4272 char newusername[256];
4273 char newuseremail[256];
4274 struct CtdlMessage *msg;
4278 struct recptypes *valid = NULL;
4279 struct recptypes *valid_to = NULL;
4280 struct recptypes *valid_cc = NULL;
4281 struct recptypes *valid_bcc = NULL;
4283 int subject_required = 0;
4285 int verbose_reply = 0;
4289 int newuseremail_ok = 0;
4290 char references[SIZ];
4295 post = extract_int(entargs, 0);
4296 extract_token(recp, entargs, 1, '|', sizeof recp);
4297 anon_flag = extract_int(entargs, 2);
4298 format_type = extract_int(entargs, 3);
4299 extract_token(subject, entargs, 4, '|', sizeof subject);
4300 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4301 do_confirm = extract_int(entargs, 6);
4302 extract_token(cc, entargs, 7, '|', sizeof cc);
4303 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4304 verbose_reply = extract_int(entargs, 9);
4305 switch(CC->room.QRdefaultview) {
4308 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4311 supplied_euid[0] = 0;
4314 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4315 extract_token(references, entargs, 11, '|', sizeof references);
4316 for (ptr=references; *ptr != 0; ++ptr) {
4317 if (*ptr == '!') *ptr = '|';
4320 /* first check to make sure the request is valid. */
4322 err = CtdlDoIHavePermissionToPostInThisRoom(
4327 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4331 cprintf("%d %s\n", err, errmsg);
4335 /* Check some other permission type things. */
4337 if (IsEmptyStr(newusername)) {
4338 strcpy(newusername, CCC->user.fullname);
4340 if ( (CCC->user.axlevel < AxAideU)
4341 && (strcasecmp(newusername, CCC->user.fullname))
4342 && (strcasecmp(newusername, CCC->cs_inet_fn))
4344 cprintf("%d You don't have permission to author messages as '%s'.\n",
4345 ERROR + HIGHER_ACCESS_REQUIRED,
4352 if (IsEmptyStr(newuseremail)) {
4353 newuseremail_ok = 1;
4356 if (!IsEmptyStr(newuseremail)) {
4357 if (!strcasecmp(newuseremail, CCC->cs_inet_email)) {
4358 newuseremail_ok = 1;
4360 else if (!IsEmptyStr(CCC->cs_inet_other_emails)) {
4361 j = num_tokens(CCC->cs_inet_other_emails, '|');
4362 for (i=0; i<j; ++i) {
4363 extract_token(buf, CCC->cs_inet_other_emails, i, '|', sizeof buf);
4364 if (!strcasecmp(newuseremail, buf)) {
4365 newuseremail_ok = 1;
4371 if (!newuseremail_ok) {
4372 cprintf("%d You don't have permission to author messages as '%s'.\n",
4373 ERROR + HIGHER_ACCESS_REQUIRED,
4379 CCC->cs_flags |= CS_POSTING;
4381 /* In mailbox rooms we have to behave a little differently --
4382 * make sure the user has specified at least one recipient. Then
4383 * validate the recipient(s). We do this for the Mail> room, as
4384 * well as any room which has the "Mailbox" view set - unless it
4385 * is the DRAFTS room which does not require recipients
4388 if ( ( ( (CCC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CCC->room.QRname[11], MAILROOM)) )
4389 || ( (CCC->room.QRflags & QR_MAILBOX) && (CCC->curr_view == VIEW_MAILBOX) )
4390 ) && (strcasecmp(&CCC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4391 if (CCC->user.axlevel < AxProbU) {
4392 strcpy(recp, "sysop");
4397 valid_to = validate_recipients(recp, NULL, 0);
4398 if (valid_to->num_error > 0) {
4399 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4400 free_recipients(valid_to);
4404 valid_cc = validate_recipients(cc, NULL, 0);
4405 if (valid_cc->num_error > 0) {
4406 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4407 free_recipients(valid_to);
4408 free_recipients(valid_cc);
4412 valid_bcc = validate_recipients(bcc, NULL, 0);
4413 if (valid_bcc->num_error > 0) {
4414 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4415 free_recipients(valid_to);
4416 free_recipients(valid_cc);
4417 free_recipients(valid_bcc);
4421 /* Recipient required, but none were specified */
4422 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4423 free_recipients(valid_to);
4424 free_recipients(valid_cc);
4425 free_recipients(valid_bcc);
4426 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4430 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4431 if (CtdlCheckInternetMailPermission(&CCC->user)==0) {
4432 cprintf("%d You do not have permission "
4433 "to send Internet mail.\n",
4434 ERROR + HIGHER_ACCESS_REQUIRED);
4435 free_recipients(valid_to);
4436 free_recipients(valid_cc);
4437 free_recipients(valid_bcc);
4442 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)
4443 && (CCC->user.axlevel < AxNetU) ) {
4444 cprintf("%d Higher access required for network mail.\n",
4445 ERROR + HIGHER_ACCESS_REQUIRED);
4446 free_recipients(valid_to);
4447 free_recipients(valid_cc);
4448 free_recipients(valid_bcc);
4452 if ((RESTRICT_INTERNET == 1)
4453 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4454 && ((CCC->user.flags & US_INTERNET) == 0)
4455 && (!CCC->internal_pgm)) {
4456 cprintf("%d You don't have access to Internet mail.\n",
4457 ERROR + HIGHER_ACCESS_REQUIRED);
4458 free_recipients(valid_to);
4459 free_recipients(valid_cc);
4460 free_recipients(valid_bcc);
4466 /* Is this a room which has anonymous-only or anonymous-option? */
4467 anonymous = MES_NORMAL;
4468 if (CCC->room.QRflags & QR_ANONONLY) {
4469 anonymous = MES_ANONONLY;
4471 if (CCC->room.QRflags & QR_ANONOPT) {
4472 if (anon_flag == 1) { /* only if the user requested it */
4473 anonymous = MES_ANONOPT;
4477 if ((CCC->room.QRflags & QR_MAILBOX) == 0) {
4481 /* Recommend to the client that the use of a message subject is
4482 * strongly recommended in this room, if either the SUBJECTREQ flag
4483 * is set, or if there is one or more Internet email recipients.
4485 if (CCC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4486 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4487 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4488 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4490 /* If we're only checking the validity of the request, return
4491 * success without creating the message.
4494 cprintf("%d %s|%d\n", CIT_OK,
4495 ((valid_to != NULL) ? valid_to->display_recp : ""),
4497 free_recipients(valid_to);
4498 free_recipients(valid_cc);
4499 free_recipients(valid_bcc);
4503 /* We don't need these anymore because we'll do it differently below */
4504 free_recipients(valid_to);
4505 free_recipients(valid_cc);
4506 free_recipients(valid_bcc);
4508 /* Read in the message from the client. */
4510 cprintf("%d send message\n", START_CHAT_MODE);
4512 cprintf("%d send message\n", SEND_LISTING);
4515 msg = CtdlMakeMessage(&CCC->user, recp, cc,
4516 CCC->room.QRname, anonymous, format_type,
4517 newusername, newuseremail, subject,
4518 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4521 /* Put together one big recipients struct containing to/cc/bcc all in
4522 * one. This is for the envelope.
4524 char *all_recps = malloc(SIZ * 3);
4525 strcpy(all_recps, recp);
4526 if (!IsEmptyStr(cc)) {
4527 if (!IsEmptyStr(all_recps)) {
4528 strcat(all_recps, ",");
4530 strcat(all_recps, cc);
4532 if (!IsEmptyStr(bcc)) {
4533 if (!IsEmptyStr(all_recps)) {
4534 strcat(all_recps, ",");
4536 strcat(all_recps, bcc);
4538 if (!IsEmptyStr(all_recps)) {
4539 valid = validate_recipients(all_recps, NULL, 0);
4547 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4550 if (StrLength(CCC->StatusMessage)>0)
4552 StrBufAppendBufPlain(CCC->StatusMessage, HKEY("\n000\n"), 0);
4553 cputbuf(CCC->StatusMessage);
4556 client_write(HKEY("\n000\n"));
4560 cprintf("%ld\n", msgnum);
4562 client_write(HKEY("Message accepted.\n"));
4565 client_write(HKEY("Internal error.\n"));
4567 if (msg->cm_fields['E'] != NULL) {
4568 cprintf("%s\n", msg->cm_fields['E']);
4575 CtdlFreeMessage(msg);
4577 if (valid != NULL) {
4578 free_recipients(valid);
4586 * API function to delete messages which match a set of criteria
4587 * (returns the actual number of messages deleted)
4589 int CtdlDeleteMessages(char *room_name, /* which room */
4590 long *dmsgnums, /* array of msg numbers to be deleted */
4591 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4592 char *content_type /* or "" for any. regular expressions expected. */
4595 struct ctdlroom qrbuf;
4596 struct cdbdata *cdbfr;
4597 long *msglist = NULL;
4598 long *dellist = NULL;
4601 int num_deleted = 0;
4603 struct MetaData smi;
4606 int need_to_free_re = 0;
4608 if (content_type) if (!IsEmptyStr(content_type)) {
4609 regcomp(&re, content_type, 0);
4610 need_to_free_re = 1;
4612 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4613 room_name, num_dmsgnums, content_type);
4615 /* get room record, obtaining a lock... */
4616 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4617 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4619 if (need_to_free_re) regfree(&re);
4620 return (0); /* room not found */
4622 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4624 if (cdbfr != NULL) {
4625 dellist = malloc(cdbfr->len);
4626 msglist = (long *) cdbfr->ptr;
4627 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4628 num_msgs = cdbfr->len / sizeof(long);
4632 for (i = 0; i < num_msgs; ++i) {
4635 /* Set/clear a bit for each criterion */
4637 /* 0 messages in the list or a null list means that we are
4638 * interested in deleting any messages which meet the other criteria.
4640 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4641 delete_this |= 0x01;
4644 for (j=0; j<num_dmsgnums; ++j) {
4645 if (msglist[i] == dmsgnums[j]) {
4646 delete_this |= 0x01;
4651 if (IsEmptyStr(content_type)) {
4652 delete_this |= 0x02;
4654 GetMetaData(&smi, msglist[i]);
4655 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4656 delete_this |= 0x02;
4660 /* Delete message only if all bits are set */
4661 if (delete_this == 0x03) {
4662 dellist[num_deleted++] = msglist[i];
4667 num_msgs = sort_msglist(msglist, num_msgs);
4668 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4669 msglist, (int)(num_msgs * sizeof(long)));
4672 qrbuf.QRhighest = msglist[num_msgs - 1];
4674 qrbuf.QRhighest = 0;
4676 CtdlPutRoomLock(&qrbuf);
4678 /* Go through the messages we pulled out of the index, and decrement
4679 * their reference counts by 1. If this is the only room the message
4680 * was in, the reference count will reach zero and the message will
4681 * automatically be deleted from the database. We do this in a
4682 * separate pass because there might be plug-in hooks getting called,
4683 * and we don't want that happening during an S_ROOMS critical
4686 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4687 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4688 AdjRefCount(dellist[i], -1);
4691 /* Now free the memory we used, and go away. */
4692 if (msglist != NULL) free(msglist);
4693 if (dellist != NULL) free(dellist);
4694 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4695 if (need_to_free_re) regfree(&re);
4696 return (num_deleted);
4702 * Check whether the current user has permission to delete messages from
4703 * the current room (returns 1 for yes, 0 for no)
4705 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4707 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4708 if (ra & UA_DELETEALLOWED) return(1);
4716 * Delete message from current room
4718 void cmd_dele(char *args)
4727 extract_token(msgset, args, 0, '|', sizeof msgset);
4728 num_msgs = num_tokens(msgset, ',');
4730 cprintf("%d Nothing to do.\n", CIT_OK);
4734 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4735 cprintf("%d Higher access required.\n",
4736 ERROR + HIGHER_ACCESS_REQUIRED);
4741 * Build our message set to be moved/copied
4743 msgs = malloc(num_msgs * sizeof(long));
4744 for (i=0; i<num_msgs; ++i) {
4745 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4746 msgs[i] = atol(msgtok);
4749 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4753 cprintf("%d %d message%s deleted.\n", CIT_OK,
4754 num_deleted, ((num_deleted != 1) ? "s" : ""));
4756 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4764 * move or copy a message to another room
4766 void cmd_move(char *args)
4773 char targ[ROOMNAMELEN];
4774 struct ctdlroom qtemp;
4781 extract_token(msgset, args, 0, '|', sizeof msgset);
4782 num_msgs = num_tokens(msgset, ',');
4784 cprintf("%d Nothing to do.\n", CIT_OK);
4788 extract_token(targ, args, 1, '|', sizeof targ);
4789 convert_room_name_macros(targ, sizeof targ);
4790 targ[ROOMNAMELEN - 1] = 0;
4791 is_copy = extract_int(args, 2);
4793 if (CtdlGetRoom(&qtemp, targ) != 0) {
4794 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4798 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4799 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4803 CtdlGetUser(&CC->user, CC->curr_user);
4804 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4806 /* Check for permission to perform this operation.
4807 * Remember: "CC->room" is source, "qtemp" is target.
4811 /* Aides can move/copy */
4812 if (CC->user.axlevel >= AxAideU) permit = 1;
4814 /* Room aides can move/copy */
4815 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4817 /* Permit move/copy from personal rooms */
4818 if ((CC->room.QRflags & QR_MAILBOX)
4819 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4821 /* Permit only copy from public to personal room */
4823 && (!(CC->room.QRflags & QR_MAILBOX))
4824 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4826 /* Permit message removal from collaborative delete rooms */
4827 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4829 /* Users allowed to post into the target room may move into it too. */
4830 if ((CC->room.QRflags & QR_MAILBOX) &&
4831 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4833 /* User must have access to target room */
4834 if (!(ra & UA_KNOWN)) permit = 0;
4837 cprintf("%d Higher access required.\n",
4838 ERROR + HIGHER_ACCESS_REQUIRED);
4843 * Build our message set to be moved/copied
4845 msgs = malloc(num_msgs * sizeof(long));
4846 for (i=0; i<num_msgs; ++i) {
4847 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4848 msgs[i] = atol(msgtok);
4854 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4856 cprintf("%d Cannot store message(s) in %s: error %d\n",
4862 /* Now delete the message from the source room,
4863 * if this is a 'move' rather than a 'copy' operation.
4866 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4870 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4876 * GetMetaData() - Get the supplementary record for a message
4878 void GetMetaData(struct MetaData *smibuf, long msgnum)
4881 struct cdbdata *cdbsmi;
4884 memset(smibuf, 0, sizeof(struct MetaData));
4885 smibuf->meta_msgnum = msgnum;
4886 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4888 /* Use the negative of the message number for its supp record index */
4889 TheIndex = (0L - msgnum);
4891 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4892 if (cdbsmi == NULL) {
4893 return; /* record not found; go with defaults */
4895 memcpy(smibuf, cdbsmi->ptr,
4896 ((cdbsmi->len > sizeof(struct MetaData)) ?
4897 sizeof(struct MetaData) : cdbsmi->len));
4904 * PutMetaData() - (re)write supplementary record for a message
4906 void PutMetaData(struct MetaData *smibuf)
4910 /* Use the negative of the message number for the metadata db index */
4911 TheIndex = (0L - smibuf->meta_msgnum);
4913 cdb_store(CDB_MSGMAIN,
4914 &TheIndex, (int)sizeof(long),
4915 smibuf, (int)sizeof(struct MetaData));
4920 * AdjRefCount - submit an adjustment to the reference count for a message.
4921 * (These are just queued -- we actually process them later.)
4923 void AdjRefCount(long msgnum, int incr)
4925 struct arcq new_arcq;
4928 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4932 begin_critical_section(S_SUPPMSGMAIN);
4933 if (arcfp == NULL) {
4934 arcfp = fopen(file_arcq, "ab+");
4936 end_critical_section(S_SUPPMSGMAIN);
4938 /* msgnum < 0 means that we're trying to close the file */
4940 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4941 begin_critical_section(S_SUPPMSGMAIN);
4942 if (arcfp != NULL) {
4946 end_critical_section(S_SUPPMSGMAIN);
4951 * If we can't open the queue, perform the operation synchronously.
4953 if (arcfp == NULL) {
4954 TDAP_AdjRefCount(msgnum, incr);
4958 new_arcq.arcq_msgnum = msgnum;
4959 new_arcq.arcq_delta = incr;
4960 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4962 syslog(LOG_EMERG, "Couldn't write Refcount Queue File %s: %s\n",
4973 * TDAP_ProcessAdjRefCountQueue()
4975 * Process the queue of message count adjustments that was created by calls
4976 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4977 * for each one. This should be an "off hours" operation.
4979 int TDAP_ProcessAdjRefCountQueue(void)
4981 char file_arcq_temp[PATH_MAX];
4984 struct arcq arcq_rec;
4985 int num_records_processed = 0;
4987 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4989 begin_critical_section(S_SUPPMSGMAIN);
4990 if (arcfp != NULL) {
4995 r = link(file_arcq, file_arcq_temp);
4997 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4998 end_critical_section(S_SUPPMSGMAIN);
4999 return(num_records_processed);
5003 end_critical_section(S_SUPPMSGMAIN);
5005 fp = fopen(file_arcq_temp, "rb");
5007 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5008 return(num_records_processed);
5011 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5012 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5013 ++num_records_processed;
5017 r = unlink(file_arcq_temp);
5019 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5022 return(num_records_processed);
5028 * TDAP_AdjRefCount - adjust the reference count for a message.
5029 * This one does it "for real" because it's called by
5030 * the autopurger function that processes the queue
5031 * created by AdjRefCount(). If a message's reference
5032 * count becomes zero, we also delete the message from
5033 * disk and de-index it.
5035 void TDAP_AdjRefCount(long msgnum, int incr)
5038 struct MetaData smi;
5041 /* This is a *tight* critical section; please keep it that way, as
5042 * it may get called while nested in other critical sections.
5043 * Complicating this any further will surely cause deadlock!
5045 begin_critical_section(S_SUPPMSGMAIN);
5046 GetMetaData(&smi, msgnum);
5047 smi.meta_refcount += incr;
5049 end_critical_section(S_SUPPMSGMAIN);
5050 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5051 msgnum, incr, smi.meta_refcount
5054 /* If the reference count is now zero, delete the message
5055 * (and its supplementary record as well).
5057 if (smi.meta_refcount == 0) {
5058 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5060 /* Call delete hooks with NULL room to show it has gone altogether */
5061 PerformDeleteHooks(NULL, msgnum);
5063 /* Remove from message base */
5065 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5066 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5068 /* Remove metadata record */
5069 delnum = (0L - msgnum);
5070 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5076 * Write a generic object to this room
5078 * Note: this could be much more efficient. Right now we use two temporary
5079 * files, and still pull the message into memory as with all others.
5081 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5082 char *content_type, /* MIME type of this object */
5083 char *raw_message, /* Data to be written */
5084 off_t raw_length, /* Size of raw_message */
5085 struct ctdluser *is_mailbox, /* Mailbox room? */
5086 int is_binary, /* Is encoding necessary? */
5087 int is_unique, /* Del others of this type? */
5088 unsigned int flags /* Internal save flags */
5092 struct ctdlroom qrbuf;
5093 char roomname[ROOMNAMELEN];
5094 struct CtdlMessage *msg;
5095 char *encoded_message = NULL;
5097 if (is_mailbox != NULL) {
5098 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5101 safestrncpy(roomname, req_room, sizeof(roomname));
5104 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5107 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5110 encoded_message = malloc((size_t)(raw_length + 4096));
5113 sprintf(encoded_message, "Content-type: %s\n", content_type);
5116 sprintf(&encoded_message[strlen(encoded_message)],
5117 "Content-transfer-encoding: base64\n\n"
5121 sprintf(&encoded_message[strlen(encoded_message)],
5122 "Content-transfer-encoding: 7bit\n\n"
5128 &encoded_message[strlen(encoded_message)],
5136 &encoded_message[strlen(encoded_message)],
5142 syslog(LOG_DEBUG, "Allocating\n");
5143 msg = malloc(sizeof(struct CtdlMessage));
5144 memset(msg, 0, sizeof(struct CtdlMessage));
5145 msg->cm_magic = CTDLMESSAGE_MAGIC;
5146 msg->cm_anon_type = MES_NORMAL;
5147 msg->cm_format_type = 4;
5148 msg->cm_fields['A'] = strdup(CC->user.fullname);
5149 msg->cm_fields['O'] = strdup(req_room);
5150 msg->cm_fields['N'] = strdup(config.c_nodename);
5151 msg->cm_fields['H'] = strdup(config.c_humannode);
5152 msg->cm_flags = flags;
5154 msg->cm_fields['M'] = encoded_message;
5156 /* Create the requested room if we have to. */
5157 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5158 CtdlCreateRoom(roomname,
5159 ( (is_mailbox != NULL) ? 5 : 3 ),
5160 "", 0, 1, 0, VIEW_BBS);
5162 /* If the caller specified this object as unique, delete all
5163 * other objects of this type that are currently in the room.
5166 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5167 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5170 /* Now write the data */
5171 CtdlSubmitMsg(msg, NULL, roomname, 0);
5172 CtdlFreeMessage(msg);
5180 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5181 config_msgnum = msgnum;
5185 char *CtdlGetSysConfig(char *sysconfname) {
5186 char hold_rm[ROOMNAMELEN];
5189 struct CtdlMessage *msg;
5192 strcpy(hold_rm, CC->room.QRname);
5193 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5194 CtdlGetRoom(&CC->room, hold_rm);
5199 /* We want the last (and probably only) config in this room */
5200 begin_critical_section(S_CONFIG);
5201 config_msgnum = (-1L);
5202 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5203 CtdlGetSysConfigBackend, NULL);
5204 msgnum = config_msgnum;
5205 end_critical_section(S_CONFIG);
5211 msg = CtdlFetchMessage(msgnum, 1);
5213 conf = strdup(msg->cm_fields['M']);
5214 CtdlFreeMessage(msg);
5221 CtdlGetRoom(&CC->room, hold_rm);
5223 if (conf != NULL) do {
5224 extract_token(buf, conf, 0, '\n', sizeof buf);
5225 strcpy(conf, &conf[strlen(buf)+1]);
5226 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5232 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5233 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5238 * Determine whether a given Internet address belongs to the current user
5240 int CtdlIsMe(char *addr, int addr_buf_len)
5242 struct recptypes *recp;
5245 recp = validate_recipients(addr, NULL, 0);
5246 if (recp == NULL) return(0);
5248 if (recp->num_local == 0) {
5249 free_recipients(recp);
5253 for (i=0; i<recp->num_local; ++i) {
5254 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5255 if (!strcasecmp(addr, CC->user.fullname)) {
5256 free_recipients(recp);
5261 free_recipients(recp);
5267 * Citadel protocol command to do the same
5269 void cmd_isme(char *argbuf) {
5272 if (CtdlAccessCheck(ac_logged_in)) return;
5273 extract_token(addr, argbuf, 0, '|', sizeof addr);
5275 if (CtdlIsMe(addr, sizeof addr)) {
5276 cprintf("%d %s\n", CIT_OK, addr);
5279 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5285 /*****************************************************************************/
5286 /* MODULE INITIALIZATION STUFF */
5287 /*****************************************************************************/
5289 CTDL_MODULE_INIT(msgbase)
5292 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5293 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5294 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5295 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5296 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5297 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5298 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5299 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5300 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5301 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5302 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5303 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5306 /* return our Subversion id for the Log */