2 * Implements the message store.
4 * Copyright (c) 1987-2011 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #if TIME_WITH_SYS_TIME
28 # include <sys/time.h>
32 # include <sys/time.h>
45 #include <sys/types.h>
47 #include <libcitadel.h>
50 #include "serv_extensions.h"
54 #include "sysdep_decls.h"
55 #include "citserver.h"
62 #include "internet_addressing.h"
63 #include "euidindex.h"
64 #include "journaling.h"
65 #include "citadel_dirs.h"
66 #include "clientsocket.h"
67 #include "serv_network.h"
70 #include "ctdl_module.h"
73 struct addresses_to_be_filed *atbf = NULL;
75 /* This temp file holds the queue of operations for AdjRefCount() */
76 static FILE *arcfp = NULL;
79 * This really belongs in serv_network.c, but I don't know how to export
80 * symbols between modules.
82 struct FilterList *filterlist = NULL;
86 * These are the four-character field headers we use when outputting
87 * messages in Citadel format (as opposed to RFC822 format).
90 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
91 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
92 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
93 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
96 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
97 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
126 * This function is self explanatory.
127 * (What can I say, I'm in a weird mood today...)
129 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
133 for (i = 0; i < strlen(name); ++i) {
134 if (name[i] == '@') {
135 while (isspace(name[i - 1]) && i > 0) {
136 strcpy(&name[i - 1], &name[i]);
139 while (isspace(name[i + 1])) {
140 strcpy(&name[i + 1], &name[i + 2]);
148 * Aliasing for network mail.
149 * (Error messages have been commented out, because this is a server.)
151 int alias(char *name)
152 { /* process alias and routing info for mail */
155 char aaa[SIZ], bbb[SIZ];
156 char *ignetcfg = NULL;
157 char *ignetmap = NULL;
163 char original_name[256];
164 safestrncpy(original_name, name, sizeof original_name);
167 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
168 stripallbut(name, '<', '>');
170 fp = fopen(file_mail_aliases, "r");
172 fp = fopen("/dev/null", "r");
179 while (fgets(aaa, sizeof aaa, fp) != NULL) {
180 while (isspace(name[0]))
181 strcpy(name, &name[1]);
182 aaa[strlen(aaa) - 1] = 0;
184 for (a = 0; a < strlen(aaa); ++a) {
186 strcpy(bbb, &aaa[a + 1]);
190 if (!strcasecmp(name, aaa))
195 /* Hit the Global Address Book */
196 if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
200 if (strcasecmp(original_name, name)) {
201 syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
204 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
205 for (a=0; a<strlen(name); ++a) {
206 if (name[a] == '@') {
207 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
209 syslog(LOG_INFO, "Changed to <%s>\n", name);
214 /* determine local or remote type, see citadel.h */
215 at = haschar(name, '@');
216 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
217 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
218 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
220 /* figure out the delivery mode */
221 extract_token(node, name, 1, '@', sizeof node);
223 /* If there are one or more dots in the nodename, we assume that it
224 * is an FQDN and will attempt SMTP delivery to the Internet.
226 if (haschar(node, '.') > 0) {
227 return(MES_INTERNET);
230 /* Otherwise we look in the IGnet maps for a valid Citadel node.
231 * Try directly-connected nodes first...
233 ignetcfg = CtdlGetSysConfig(IGNETCFG);
234 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
235 extract_token(buf, ignetcfg, i, '\n', sizeof buf);
236 extract_token(testnode, buf, 0, '|', sizeof testnode);
237 if (!strcasecmp(node, testnode)) {
245 * Then try nodes that are two or more hops away.
247 ignetmap = CtdlGetSysConfig(IGNETMAP);
248 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
249 extract_token(buf, ignetmap, i, '\n', sizeof buf);
250 extract_token(testnode, buf, 0, '|', sizeof testnode);
251 if (!strcasecmp(node, testnode)) {
258 /* If we get to this point it's an invalid node name */
264 * Back end for the MSGS command: output message number only.
266 void simple_listing(long msgnum, void *userdata)
268 cprintf("%ld\n", msgnum);
274 * Back end for the MSGS command: output header summary.
276 void headers_listing(long msgnum, void *userdata)
278 struct CtdlMessage *msg;
280 msg = CtdlFetchMessage(msgnum, 0);
282 cprintf("%ld|0|||||\n", msgnum);
286 cprintf("%ld|%s|%s|%s|%s|%s|\n",
288 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"),
289 (msg->cm_fields['A'] ? msg->cm_fields['A'] : ""),
290 (msg->cm_fields['N'] ? msg->cm_fields['N'] : ""),
291 (msg->cm_fields['F'] ? msg->cm_fields['F'] : ""),
292 (msg->cm_fields['U'] ? msg->cm_fields['U'] : "")
294 CtdlFreeMessage(msg);
298 * Back end for the MSGS command: output EUID header.
300 void headers_euid(long msgnum, void *userdata)
302 struct CtdlMessage *msg;
304 msg = CtdlFetchMessage(msgnum, 0);
306 cprintf("%ld||\n", msgnum);
310 cprintf("%ld|%s|%s\n",
312 (msg->cm_fields['E'] ? msg->cm_fields['E'] : ""),
313 (msg->cm_fields['T'] ? msg->cm_fields['T'] : "0"));
314 CtdlFreeMessage(msg);
321 /* Determine if a given message matches the fields in a message template.
322 * Return 0 for a successful match.
324 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
327 /* If there aren't any fields in the template, all messages will
330 if (template == NULL) return(0);
332 /* Null messages are bogus. */
333 if (msg == NULL) return(1);
335 for (i='A'; i<='Z'; ++i) {
336 if (template->cm_fields[i] != NULL) {
337 if (msg->cm_fields[i] == NULL) {
338 /* Considered equal if temmplate is empty string */
339 if (IsEmptyStr(template->cm_fields[i])) continue;
342 if (strcasecmp(msg->cm_fields[i],
343 template->cm_fields[i])) return 1;
347 /* All compares succeeded: we have a match! */
354 * Retrieve the "seen" message list for the current room.
356 void CtdlGetSeen(char *buf, int which_set) {
359 /* Learn about the user and room in question */
360 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
362 if (which_set == ctdlsetseen_seen)
363 safestrncpy(buf, vbuf.v_seen, SIZ);
364 if (which_set == ctdlsetseen_answered)
365 safestrncpy(buf, vbuf.v_answered, SIZ);
371 * Manipulate the "seen msgs" string (or other message set strings)
373 void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
374 int target_setting, int which_set,
375 struct ctdluser *which_user, struct ctdlroom *which_room) {
376 struct cdbdata *cdbfr;
390 char *is_set; /* actually an array of booleans */
392 /* Don't bother doing *anything* if we were passed a list of zero messages */
393 if (num_target_msgnums < 1) {
397 /* If no room was specified, we go with the current room. */
399 which_room = &CC->room;
402 /* If no user was specified, we go with the current user. */
404 which_user = &CC->user;
407 syslog(LOG_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %s, %d) in <%s>\n",
408 num_target_msgnums, target_msgnums[0],
409 (target_setting ? "SET" : "CLEAR"),
413 /* Learn about the user and room in question */
414 CtdlGetRelationship(&vbuf, which_user, which_room);
416 /* Load the message list */
417 cdbfr = cdb_fetch(CDB_MSGLISTS, &which_room->QRnumber, sizeof(long));
419 msglist = (long *) cdbfr->ptr;
420 cdbfr->ptr = NULL; /* CtdlSetSeen() now owns this memory */
421 num_msgs = cdbfr->len / sizeof(long);
424 return; /* No messages at all? No further action. */
427 is_set = malloc(num_msgs * sizeof(char));
428 memset(is_set, 0, (num_msgs * sizeof(char)) );
430 /* Decide which message set we're manipulating */
432 case ctdlsetseen_seen:
433 vset = NewStrBufPlain(vbuf.v_seen, -1);
435 case ctdlsetseen_answered:
436 vset = NewStrBufPlain(vbuf.v_answered, -1);
443 #if 0 /* This is a special diagnostic section. Do not allow it to run during normal operation. */
444 syslog(LOG_DEBUG, "There are %d messages in the room.\n", num_msgs);
445 for (i=0; i<num_msgs; ++i) {
446 if ((i > 0) && (msglist[i] <= msglist[i-1])) abort();
448 syslog(LOG_DEBUG, "We are twiddling %d of them.\n", num_target_msgnums);
449 for (k=0; k<num_target_msgnums; ++k) {
450 if ((k > 0) && (target_msgnums[k] <= target_msgnums[k-1])) abort();
454 syslog(LOG_DEBUG, "before update: %s\n", ChrPtr(vset));
456 /* Translate the existing sequence set into an array of booleans */
457 setstr = NewStrBuf();
461 while (StrBufExtract_NextToken(setstr, vset, &pvset, ',') >= 0) {
463 StrBufExtract_token(lostr, setstr, 0, ':');
464 if (StrBufNum_tokens(setstr, ':') >= 2) {
465 StrBufExtract_token(histr, setstr, 1, ':');
469 StrBufAppendBuf(histr, lostr, 0);
472 if (!strcmp(ChrPtr(histr), "*")) {
479 for (i = 0; i < num_msgs; ++i) {
480 if ((msglist[i] >= lo) && (msglist[i] <= hi)) {
490 /* Now translate the array of booleans back into a sequence set */
496 for (i=0; i<num_msgs; ++i) {
500 for (k=0; k<num_target_msgnums; ++k) {
501 if (msglist[i] == target_msgnums[k]) {
502 is_seen = target_setting;
506 if ((was_seen == 0) && (is_seen == 1)) {
509 else if ((was_seen == 1) && (is_seen == 0)) {
512 if (StrLength(vset) > 0) {
513 StrBufAppendBufPlain(vset, HKEY(","), 0);
516 StrBufAppendPrintf(vset, "%ld", hi);
519 StrBufAppendPrintf(vset, "%ld:%ld", lo, hi);
523 if ((is_seen) && (i == num_msgs - 1)) {
524 if (StrLength(vset) > 0) {
525 StrBufAppendBufPlain(vset, HKEY(","), 0);
527 if ((i==0) || (was_seen == 0)) {
528 StrBufAppendPrintf(vset, "%ld", msglist[i]);
531 StrBufAppendPrintf(vset, "%ld:%ld", lo, msglist[i]);
539 * We will have to stuff this string back into a 4096 byte buffer, so if it's
540 * larger than that now, truncate it by removing tokens from the beginning.
541 * The limit of 100 iterations is there to prevent an infinite loop in case
542 * something unexpected happens.
544 int number_of_truncations = 0;
545 while ( (StrLength(vset) > SIZ) && (number_of_truncations < 100) ) {
546 StrBufRemove_token(vset, 0, ',');
547 ++number_of_truncations;
551 * If we're truncating the sequence set of messages marked with the 'seen' flag,
552 * we want the earliest messages (the truncated ones) to be marked, not unmarked.
553 * Otherwise messages at the beginning will suddenly appear to be 'unseen'.
555 if ( (which_set == ctdlsetseen_seen) && (number_of_truncations > 0) ) {
557 first_tok = NewStrBuf();
558 StrBufExtract_token(first_tok, vset, 0, ',');
559 StrBufRemove_token(vset, 0, ',');
561 if (StrBufNum_tokens(first_tok, ':') > 1) {
562 StrBufRemove_token(first_tok, 0, ':');
566 new_set = NewStrBuf();
567 StrBufAppendBufPlain(new_set, HKEY("1:"), 0);
568 StrBufAppendBuf(new_set, first_tok, 0);
569 StrBufAppendBufPlain(new_set, HKEY(":"), 0);
570 StrBufAppendBuf(new_set, vset, 0);
573 FreeStrBuf(&first_tok);
577 syslog(LOG_DEBUG, " after update: %s\n", ChrPtr(vset));
579 /* Decide which message set we're manipulating */
581 case ctdlsetseen_seen:
582 safestrncpy(vbuf.v_seen, ChrPtr(vset), sizeof vbuf.v_seen);
584 case ctdlsetseen_answered:
585 safestrncpy(vbuf.v_answered, ChrPtr(vset), sizeof vbuf.v_answered);
591 CtdlSetRelationship(&vbuf, which_user, which_room);
597 /* store a value in the binary tree */
598 void seenit_store(struct seenit **si, long msgnum) {
599 struct seenit *this_si;
601 if (*si == NULL) { /* store now */
602 *si = malloc(sizeof(struct seenit));
606 this_si->msgnum = msgnum;
611 if (msgnum < this_si->msgnum) {
612 seenit_store(&this_si->l, msgnum);
614 else if (msgnum > this_si->msgnum) {
615 seenit_store(&this_si->r, msgnum);
623 /* search for a value in the binary tree */
624 int seenit_isthere(struct seenit *si, long msgnum) {
625 if (!si) return(0); /* not there */
626 if (msgnum < si->msgnum) return(seenit_isthere(si->l, msgnum));
627 if (msgnum > si->msgnum) return(seenit_isthere(si->r, msgnum));
628 return(1); /* found it */
632 /* free the binary tree */
633 void seenit_free(struct seenit **si) {
634 struct seenit *this_si = *si;
635 if (!this_si) return;
636 seenit_free(&this_si->l);
637 seenit_free(&this_si->r);
647 * API function to perform an operation for each qualifying message in the
648 * current room. (Returns the number of messages processed.)
650 int CtdlForEachMessage(int mode, long ref, char *search_string,
652 struct CtdlMessage *compare,
653 ForEachMsgCallback CallBack,
659 struct cdbdata *cdbfr;
660 long *msglist = NULL;
662 int num_processed = 0;
665 struct CtdlMessage *msg = NULL;
668 int printed_lastold = 0;
669 int num_search_msgs = 0;
670 long *search_msgs = NULL;
672 int need_to_free_re = 0;
675 if ((content_type) && (!IsEmptyStr(content_type))) {
676 regcomp(&re, content_type, 0);
680 /* Learn about the user and room in question */
681 CtdlGetUser(&CC->user, CC->curr_user);
682 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
684 /* Load the message list */
685 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
687 if (need_to_free_re) regfree(&re);
688 return 0; /* No messages at all? No further action. */
691 msglist = (long *) cdbfr->ptr;
692 num_msgs = cdbfr->len / sizeof(long);
694 cdbfr->ptr = NULL; /* clear this so that cdb_free() doesn't free it */
695 cdb_free(cdbfr); /* we own this memory now */
698 * Now begin the traversal.
700 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
703 * cache the msgnums we've seen in order to perform security checks later
705 if (CC->client_socket > 0) {
706 seenit_store(&CC->cached_msglist, msglist[a]);
709 /* If the caller is looking for a specific MIME type, filter
710 * out all messages which are not of the type requested.
712 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
714 /* This call to GetMetaData() sits inside this loop
715 * so that we only do the extra database read per msg
716 * if we need to. Doing the extra read all the time
717 * really kills the server. If we ever need to use
718 * metadata for another search criterion, we need to
719 * move the read somewhere else -- but still be smart
720 * enough to only do the read if the caller has
721 * specified something that will need it.
723 GetMetaData(&smi, msglist[a]);
725 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
726 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
732 num_msgs = sort_msglist(msglist, num_msgs);
734 /* If a template was supplied, filter out the messages which
735 * don't match. (This could induce some delays!)
738 if (compare != NULL) {
739 for (a = 0; a < num_msgs; ++a) {
740 msg = CtdlFetchMessage(msglist[a], 1);
742 if (CtdlMsgCmp(msg, compare)) {
745 CtdlFreeMessage(msg);
751 /* If a search string was specified, get a message list from
752 * the full text index and remove messages which aren't on both
756 * Since the lists are sorted and strictly ascending, and the
757 * output list is guaranteed to be shorter than or equal to the
758 * input list, we overwrite the bottom of the input list. This
759 * eliminates the need to memmove big chunks of the list over and
762 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
764 /* Call search module via hook mechanism.
765 * NULL means use any search function available.
766 * otherwise replace with a char * to name of search routine
768 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
770 if (num_search_msgs > 0) {
774 orig_num_msgs = num_msgs;
776 for (i=0; i<orig_num_msgs; ++i) {
777 for (j=0; j<num_search_msgs; ++j) {
778 if (msglist[i] == search_msgs[j]) {
779 msglist[num_msgs++] = msglist[i];
785 num_msgs = 0; /* No messages qualify */
787 if (search_msgs != NULL) free(search_msgs);
789 /* Now that we've purged messages which don't contain the search
790 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
797 * Now iterate through the message list, according to the
798 * criteria supplied by the caller.
801 for (a = 0; a < num_msgs; ++a) {
802 thismsg = msglist[a];
803 if (mode == MSGS_ALL) {
807 is_seen = is_msg_in_sequence_set(
808 vbuf.v_seen, thismsg);
809 if (is_seen) lastold = thismsg;
815 || ((mode == MSGS_OLD) && (is_seen))
816 || ((mode == MSGS_NEW) && (!is_seen))
817 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
818 || ((mode == MSGS_FIRST) && (a < ref))
819 || ((mode == MSGS_GT) && (thismsg > ref))
820 || ((mode == MSGS_LT) && (thismsg < ref))
821 || ((mode == MSGS_EQ) && (thismsg == ref))
824 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
826 CallBack(lastold, userdata);
830 if (CallBack) CallBack(thismsg, userdata);
834 if (need_to_free_re) regfree(&re);
836 return num_processed;
842 * cmd_msgs() - get list of message #'s in this room
843 * implements the MSGS server command using CtdlForEachMessage()
845 void cmd_msgs(char *cmdbuf)
854 int with_template = 0;
855 struct CtdlMessage *template = NULL;
856 char search_string[1024];
857 ForEachMsgCallback CallBack;
859 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
861 extract_token(which, cmdbuf, 0, '|', sizeof which);
862 cm_ref = extract_int(cmdbuf, 1);
863 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
864 with_template = extract_int(cmdbuf, 2);
865 switch (extract_int(cmdbuf, 3))
869 CallBack = simple_listing;
872 CallBack = headers_listing;
875 CallBack = headers_euid;
880 if (!strncasecmp(which, "OLD", 3))
882 else if (!strncasecmp(which, "NEW", 3))
884 else if (!strncasecmp(which, "FIRST", 5))
886 else if (!strncasecmp(which, "LAST", 4))
888 else if (!strncasecmp(which, "GT", 2))
890 else if (!strncasecmp(which, "LT", 2))
892 else if (!strncasecmp(which, "SEARCH", 6))
897 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
898 cprintf("%d Full text index is not enabled on this server.\n",
899 ERROR + CMD_NOT_SUPPORTED);
905 cprintf("%d Send template then receive message list\n",
907 template = (struct CtdlMessage *)
908 malloc(sizeof(struct CtdlMessage));
909 memset(template, 0, sizeof(struct CtdlMessage));
910 template->cm_magic = CTDLMESSAGE_MAGIC;
911 template->cm_anon_type = MES_NORMAL;
913 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
914 extract_token(tfield, buf, 0, '|', sizeof tfield);
915 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
916 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
917 if (!strcasecmp(tfield, msgkeys[i])) {
918 template->cm_fields[i] =
926 cprintf("%d \n", LISTING_FOLLOWS);
929 CtdlForEachMessage(mode,
930 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
931 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
936 if (template != NULL) CtdlFreeMessage(template);
944 * help_subst() - support routine for help file viewer
946 void help_subst(char *strbuf, char *source, char *dest)
951 while (p = pattern2(strbuf, source), (p >= 0)) {
952 strcpy(workbuf, &strbuf[p + strlen(source)]);
953 strcpy(&strbuf[p], dest);
954 strcat(strbuf, workbuf);
959 void do_help_subst(char *buffer)
963 help_subst(buffer, "^nodename", config.c_nodename);
964 help_subst(buffer, "^humannode", config.c_humannode);
965 help_subst(buffer, "^fqdn", config.c_fqdn);
966 help_subst(buffer, "^username", CC->user.fullname);
967 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
968 help_subst(buffer, "^usernum", buf2);
969 help_subst(buffer, "^sysadm", config.c_sysadm);
970 help_subst(buffer, "^variantname", CITADEL);
971 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
972 help_subst(buffer, "^maxsessions", buf2);
973 help_subst(buffer, "^bbsdir", ctdl_message_dir);
979 * memfmout() - Citadel text formatter and paginator.
980 * Although the original purpose of this routine was to format
981 * text to the reader's screen width, all we're really using it
982 * for here is to format text out to 80 columns before sending it
983 * to the client. The client software may reformat it again.
986 char *mptr, /* where are we going to get our text from? */
987 const char *nl /* string to terminate lines with */
990 unsigned char ch = 0;
997 while (ch=*(mptr++), ch != 0) {
1000 if (client_write(outbuf, len) == -1)
1002 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1006 if (client_write(nl, nllen) == -1)
1008 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1013 else if (ch == '\r') {
1014 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
1016 else if (isspace(ch)) {
1017 if (column > 72) { /* Beyond 72 columns, break on the next space */
1018 if (client_write(outbuf, len) == -1)
1020 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1024 if (client_write(nl, nllen) == -1)
1026 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1039 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
1040 if (client_write(outbuf, len) == -1)
1042 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1046 if (client_write(nl, nllen) == -1)
1048 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1056 if (client_write(outbuf, len) == -1)
1058 syslog(LOG_ERR, "memfmout(): aborting due to write failure.\n");
1062 client_write(nl, nllen);
1070 * Callback function for mime parser that simply lists the part
1072 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1073 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1074 char *cbid, void *cbuserdata)
1078 ma = (struct ma_info *)cbuserdata;
1079 if (ma->is_ma == 0) {
1080 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1093 * Callback function for multipart prefix
1095 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1096 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1097 char *cbid, void *cbuserdata)
1101 ma = (struct ma_info *)cbuserdata;
1102 if (!strcasecmp(cbtype, "multipart/alternative")) {
1106 if (ma->is_ma == 0) {
1107 cprintf("pref=%s|%s\n", partnum, cbtype);
1112 * Callback function for multipart sufffix
1114 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1115 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1116 char *cbid, void *cbuserdata)
1120 ma = (struct ma_info *)cbuserdata;
1121 if (ma->is_ma == 0) {
1122 cprintf("suff=%s|%s\n", partnum, cbtype);
1124 if (!strcasecmp(cbtype, "multipart/alternative")) {
1131 * Callback function for mime parser that opens a section for downloading
1133 void mime_download(char *name, char *filename, char *partnum, char *disp,
1134 void *content, char *cbtype, char *cbcharset, size_t length,
1135 char *encoding, char *cbid, void *cbuserdata)
1139 /* Silently go away if there's already a download open. */
1140 if (CC->download_fp != NULL)
1144 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1145 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1147 CC->download_fp = tmpfile();
1148 if (CC->download_fp == NULL)
1151 rv = fwrite(content, length, 1, CC->download_fp);
1152 fflush(CC->download_fp);
1153 rewind(CC->download_fp);
1155 OpenCmdResult(filename, cbtype);
1162 * Callback function for mime parser that outputs a section all at once.
1163 * We can specify the desired section by part number *or* content-id.
1165 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1166 void *content, char *cbtype, char *cbcharset, size_t length,
1167 char *encoding, char *cbid, void *cbuserdata)
1169 int *found_it = (int *)cbuserdata;
1172 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1173 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1176 cprintf("%d %d|-1|%s|%s|%s\n",
1183 client_write(content, length);
1189 * Load a message from disk into memory.
1190 * This is used by CtdlOutputMsg() and other fetch functions.
1192 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1193 * using the CtdlMessageFree() function.
1195 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1197 struct cdbdata *dmsgtext;
1198 struct CtdlMessage *ret = NULL;
1202 cit_uint8_t field_header;
1204 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1205 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1206 if (dmsgtext == NULL) {
1209 mptr = dmsgtext->ptr;
1210 upper_bound = mptr + dmsgtext->len;
1212 /* Parse the three bytes that begin EVERY message on disk.
1213 * The first is always 0xFF, the on-disk magic number.
1214 * The second is the anonymous/public type byte.
1215 * The third is the format type byte (vari, fixed, or MIME).
1219 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1223 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1224 memset(ret, 0, sizeof(struct CtdlMessage));
1226 ret->cm_magic = CTDLMESSAGE_MAGIC;
1227 ret->cm_anon_type = *mptr++; /* Anon type byte */
1228 ret->cm_format_type = *mptr++; /* Format type byte */
1231 * The rest is zero or more arbitrary fields. Load them in.
1232 * We're done when we encounter either a zero-length field or
1233 * have just processed the 'M' (message text) field.
1236 if (mptr >= upper_bound) {
1239 field_header = *mptr++;
1240 ret->cm_fields[field_header] = strdup(mptr);
1242 while (*mptr++ != 0); /* advance to next field */
1244 } while ((mptr < upper_bound) && (field_header != 'M'));
1248 /* Always make sure there's something in the msg text field. If
1249 * it's NULL, the message text is most likely stored separately,
1250 * so go ahead and fetch that. Failing that, just set a dummy
1251 * body so other code doesn't barf.
1253 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1254 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1255 if (dmsgtext != NULL) {
1256 ret->cm_fields['M'] = dmsgtext->ptr;
1257 dmsgtext->ptr = NULL;
1261 if (ret->cm_fields['M'] == NULL) {
1262 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1265 /* Perform "before read" hooks (aborting if any return nonzero) */
1266 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1267 CtdlFreeMessage(ret);
1276 * Returns 1 if the supplied pointer points to a valid Citadel message.
1277 * If the pointer is NULL or the magic number check fails, returns 0.
1279 int is_valid_message(struct CtdlMessage *msg) {
1282 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1283 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1291 * 'Destructor' for struct CtdlMessage
1293 void CtdlFreeMessage(struct CtdlMessage *msg)
1297 if (is_valid_message(msg) == 0)
1299 if (msg != NULL) free (msg);
1303 for (i = 0; i < 256; ++i)
1304 if (msg->cm_fields[i] != NULL) {
1305 free(msg->cm_fields[i]);
1308 msg->cm_magic = 0; /* just in case */
1314 * Pre callback function for multipart/alternative
1316 * NOTE: this differs from the standard behavior for a reason. Normally when
1317 * displaying multipart/alternative you want to show the _last_ usable
1318 * format in the message. Here we show the _first_ one, because it's
1319 * usually text/plain. Since this set of functions is designed for text
1320 * output to non-MIME-aware clients, this is the desired behavior.
1323 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1324 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1325 char *cbid, void *cbuserdata)
1329 ma = (struct ma_info *)cbuserdata;
1330 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1331 if (!strcasecmp(cbtype, "multipart/alternative")) {
1335 if (!strcasecmp(cbtype, "message/rfc822")) {
1341 * Post callback function for multipart/alternative
1343 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1344 void *content, char *cbtype, char *cbcharset, size_t length,
1345 char *encoding, char *cbid, void *cbuserdata)
1349 ma = (struct ma_info *)cbuserdata;
1350 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1351 if (!strcasecmp(cbtype, "multipart/alternative")) {
1355 if (!strcasecmp(cbtype, "message/rfc822")) {
1361 * Inline callback function for mime parser that wants to display text
1363 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1364 void *content, char *cbtype, char *cbcharset, size_t length,
1365 char *encoding, char *cbid, void *cbuserdata)
1372 ma = (struct ma_info *)cbuserdata;
1375 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1376 partnum, filename, cbtype, (long)length);
1379 * If we're in the middle of a multipart/alternative scope and
1380 * we've already printed another section, skip this one.
1382 if ( (ma->is_ma) && (ma->did_print) ) {
1383 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1388 if ( (!strcasecmp(cbtype, "text/plain"))
1389 || (IsEmptyStr(cbtype)) ) {
1392 client_write(wptr, length);
1393 if (wptr[length-1] != '\n') {
1400 if (!strcasecmp(cbtype, "text/html")) {
1401 ptr = html_to_ascii(content, length, 80, 0);
1403 client_write(ptr, wlen);
1404 if (ptr[wlen-1] != '\n') {
1411 if (ma->use_fo_hooks) {
1412 if (PerformFixedOutputHooks(cbtype, content, length)) {
1413 /* above function returns nonzero if it handled the part */
1418 if (strncasecmp(cbtype, "multipart/", 10)) {
1419 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1420 partnum, filename, cbtype, (long)length);
1426 * The client is elegant and sophisticated and wants to be choosy about
1427 * MIME content types, so figure out which multipart/alternative part
1428 * we're going to send.
1430 * We use a system of weights. When we find a part that matches one of the
1431 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1432 * and then set ma->chosen_pref to that MIME type's position in our preference
1433 * list. If we then hit another match, we only replace the first match if
1434 * the preference value is lower.
1436 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1437 void *content, char *cbtype, char *cbcharset, size_t length,
1438 char *encoding, char *cbid, void *cbuserdata)
1444 ma = (struct ma_info *)cbuserdata;
1446 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1447 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1448 // I don't know if there are any side effects! Please TEST TEST TEST
1449 //if (ma->is_ma > 0) {
1451 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1452 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1453 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1454 if (i < ma->chosen_pref) {
1455 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1456 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1457 ma->chosen_pref = i;
1464 * Now that we've chosen our preferred part, output it.
1466 void output_preferred(char *name,
1480 int add_newline = 0;
1483 char *decoded = NULL;
1484 size_t bytes_decoded;
1487 ma = (struct ma_info *)cbuserdata;
1489 /* This is not the MIME part you're looking for... */
1490 if (strcasecmp(partnum, ma->chosen_part)) return;
1492 /* If the content-type of this part is in our preferred formats
1493 * list, we can simply output it verbatim.
1495 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1496 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1497 if (!strcasecmp(buf, cbtype)) {
1498 /* Yeah! Go! W00t!! */
1499 if (ma->dont_decode == 0)
1500 rc = mime_decode_now (content,
1506 break; /* Give us the chance, maybe theres another one. */
1508 if (rc == 0) text_content = (char *)content;
1510 text_content = decoded;
1511 length = bytes_decoded;
1514 if (text_content[length-1] != '\n') {
1517 cprintf("Content-type: %s", cbtype);
1518 if (!IsEmptyStr(cbcharset)) {
1519 cprintf("; charset=%s", cbcharset);
1521 cprintf("\nContent-length: %d\n",
1522 (int)(length + add_newline) );
1523 if (!IsEmptyStr(encoding)) {
1524 cprintf("Content-transfer-encoding: %s\n", encoding);
1527 cprintf("Content-transfer-encoding: 7bit\n");
1529 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1531 if (client_write(text_content, length) == -1)
1533 syslog(LOG_ERR, "output_preferred(): aborting due to write failure.\n");
1536 if (add_newline) cprintf("\n");
1537 if (decoded != NULL) free(decoded);
1542 /* No translations required or possible: output as text/plain */
1543 cprintf("Content-type: text/plain\n\n");
1545 if (ma->dont_decode == 0)
1546 rc = mime_decode_now (content,
1552 return; /* Give us the chance, maybe theres another one. */
1554 if (rc == 0) text_content = (char *)content;
1556 text_content = decoded;
1557 length = bytes_decoded;
1560 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1561 length, encoding, cbid, cbuserdata);
1562 if (decoded != NULL) free(decoded);
1567 char desired_section[64];
1574 * Callback function for
1576 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1577 void *content, char *cbtype, char *cbcharset, size_t length,
1578 char *encoding, char *cbid, void *cbuserdata)
1580 struct encapmsg *encap;
1582 encap = (struct encapmsg *)cbuserdata;
1584 /* Only proceed if this is the desired section... */
1585 if (!strcasecmp(encap->desired_section, partnum)) {
1586 encap->msglen = length;
1587 encap->msg = malloc(length + 2);
1588 memcpy(encap->msg, content, length);
1595 * Determine whether the specified message exists in the cached_msglist
1596 * (This is a security check)
1598 int check_cached_msglist(long msgnum) {
1600 /* cases in which we skip the check */
1601 if (!CC) return om_ok; /* not a session */
1602 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1603 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1605 if (seenit_isthere(CC->cached_msglist, msgnum)) {
1609 return om_access_denied;
1614 * Determine whether the currently logged in session has permission to read
1615 * messages in the current room.
1617 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1618 if ( (!(CC->logged_in))
1619 && (!(CC->internal_pgm))
1620 && (!config.c_guest_logins)
1622 return(om_not_logged_in);
1629 * Get a message off disk. (returns om_* values found in msgbase.h)
1632 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1633 int mode, /* how would you like that message? */
1634 int headers_only, /* eschew the message body? */
1635 int do_proto, /* do Citadel protocol responses? */
1636 int crlf, /* Use CRLF newlines instead of LF? */
1637 char *section, /* NULL or a message/rfc822 section */
1638 int flags /* various flags; see msgbase.h */
1640 struct CtdlMessage *TheMessage = NULL;
1641 int retcode = om_no_such_msg;
1642 struct encapmsg encap;
1645 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1647 (section ? section : "<>")
1650 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1653 if (r == om_not_logged_in) {
1654 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1657 cprintf("%d An unknown error has occurred.\n", ERROR);
1663 r = check_cached_msglist(msg_num);
1665 syslog(LOG_DEBUG, "Denying access to message %ld - not yet listed\n", msg_num);
1667 if (r == om_access_denied) {
1668 cprintf("%d Message %ld was not found in this room.\n",
1669 ERROR + MESSAGE_NOT_FOUND,
1674 cprintf("%d An unknown error has occurred.\n", ERROR);
1681 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1682 * request that we don't even bother loading the body into memory.
1684 if (headers_only == HEADERS_FAST) {
1685 TheMessage = CtdlFetchMessage(msg_num, 0);
1688 TheMessage = CtdlFetchMessage(msg_num, 1);
1691 if (TheMessage == NULL) {
1692 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1693 ERROR + MESSAGE_NOT_FOUND, msg_num);
1694 return(om_no_such_msg);
1697 /* Here is the weird form of this command, to process only an
1698 * encapsulated message/rfc822 section.
1700 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1701 memset(&encap, 0, sizeof encap);
1702 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1703 mime_parser(TheMessage->cm_fields['M'],
1705 *extract_encapsulated_message,
1706 NULL, NULL, (void *)&encap, 0
1708 CtdlFreeMessage(TheMessage);
1712 encap.msg[encap.msglen] = 0;
1713 TheMessage = convert_internet_message(encap.msg);
1714 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1716 /* Now we let it fall through to the bottom of this
1717 * function, because TheMessage now contains the
1718 * encapsulated message instead of the top-level
1719 * message. Isn't that neat?
1724 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1725 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1726 retcode = om_no_such_msg;
1731 /* Ok, output the message now */
1732 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1733 CtdlFreeMessage(TheMessage);
1739 char *qp_encode_email_addrs(char *source)
1741 char *user, *node, *name;
1742 const char headerStr[] = "=?UTF-8?Q?";
1746 int need_to_encode = 0;
1752 long nAddrPtrMax = 50;
1757 if (source == NULL) return source;
1758 if (IsEmptyStr(source)) return source;
1760 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1762 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1763 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1764 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1767 while (!IsEmptyStr (&source[i])) {
1768 if (nColons >= nAddrPtrMax){
1771 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1772 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1773 free (AddrPtr), AddrPtr = ptr;
1775 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1776 memset(&ptr[nAddrPtrMax], 0,
1777 sizeof (long) * nAddrPtrMax);
1779 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1780 free (AddrUtf8), AddrUtf8 = ptr;
1783 if (((unsigned char) source[i] < 32) ||
1784 ((unsigned char) source[i] > 126)) {
1786 AddrUtf8[nColons] = 1;
1788 if (source[i] == '"')
1789 InQuotes = !InQuotes;
1790 if (!InQuotes && source[i] == ',') {
1791 AddrPtr[nColons] = i;
1796 if (need_to_encode == 0) {
1803 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1804 Encoded = (char*) malloc (EncodedMaxLen);
1806 for (i = 0; i < nColons; i++)
1807 source[AddrPtr[i]++] = '\0';
1808 /* TODO: if libidn, this might get larger*/
1809 user = malloc(SourceLen + 1);
1810 node = malloc(SourceLen + 1);
1811 name = malloc(SourceLen + 1);
1815 for (i = 0; i < nColons && nPtr != NULL; i++) {
1816 nmax = EncodedMaxLen - (nPtr - Encoded);
1818 process_rfc822_addr(&source[AddrPtr[i]],
1822 /* TODO: libIDN here ! */
1823 if (IsEmptyStr(name)) {
1824 n = snprintf(nPtr, nmax,
1825 (i==0)?"%s@%s" : ",%s@%s",
1829 EncodedName = rfc2047encode(name, strlen(name));
1830 n = snprintf(nPtr, nmax,
1831 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1832 EncodedName, user, node);
1837 n = snprintf(nPtr, nmax,
1838 (i==0)?"%s" : ",%s",
1839 &source[AddrPtr[i]]);
1845 ptr = (char*) malloc(EncodedMaxLen * 2);
1846 memcpy(ptr, Encoded, EncodedMaxLen);
1847 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1848 free(Encoded), Encoded = ptr;
1850 i--; /* do it once more with properly lengthened buffer */
1853 for (i = 0; i < nColons; i++)
1854 source[--AddrPtr[i]] = ',';
1865 /* If the last item in a list of recipients was truncated to a partial address,
1866 * remove it completely in order to avoid choking libSieve
1868 void sanitize_truncated_recipient(char *str)
1871 if (num_tokens(str, ',') < 2) return;
1873 int len = strlen(str);
1874 if (len < 900) return;
1875 if (len > 998) str[998] = 0;
1877 char *cptr = strrchr(str, ',');
1880 char *lptr = strchr(cptr, '<');
1881 char *rptr = strchr(cptr, '>');
1883 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1889 void OutputCtdlMsgHeaders(
1890 struct CtdlMessage *TheMessage,
1891 int do_proto) /* do Citadel protocol responses? */
1897 char display_name[256];
1899 /* begin header processing loop for Citadel message format */
1900 safestrncpy(display_name, "<unknown>", sizeof display_name);
1901 if (TheMessage->cm_fields['A']) {
1902 strcpy(buf, TheMessage->cm_fields['A']);
1903 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1904 safestrncpy(display_name, "****", sizeof display_name);
1906 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1907 safestrncpy(display_name, "anonymous", sizeof display_name);
1910 safestrncpy(display_name, buf, sizeof display_name);
1912 if ((is_room_aide())
1913 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1914 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1915 size_t tmp = strlen(display_name);
1916 snprintf(&display_name[tmp],
1917 sizeof display_name - tmp,
1922 /* Don't show Internet address for users on the
1923 * local Citadel network.
1926 if (TheMessage->cm_fields['N'] != NULL)
1927 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1928 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1932 /* Now spew the header fields in the order we like them. */
1933 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1934 for (i=0; i<n; ++i) {
1935 k = (int) allkeys[i];
1937 if ( (TheMessage->cm_fields[k] != NULL)
1938 && (msgkeys[k] != NULL) ) {
1939 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1940 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1943 if (do_proto) cprintf("%s=%s\n",
1947 else if ((k == 'F') && (suppress_f)) {
1950 /* Masquerade display name if needed */
1952 if (do_proto) cprintf("%s=%s\n",
1954 TheMessage->cm_fields[k]
1963 void OutputRFC822MsgHeaders(
1964 struct CtdlMessage *TheMessage,
1965 int flags, /* should the bessage be exported clean */
1967 char *mid, long sizeof_mid,
1968 char *suser, long sizeof_suser,
1969 char *luser, long sizeof_luser,
1970 char *fuser, long sizeof_fuser,
1971 char *snode, long sizeof_snode)
1973 char datestamp[100];
1974 int subject_found = 0;
1980 for (i = 0; i < 256; ++i) {
1981 if (TheMessage->cm_fields[i]) {
1982 mptr = mpptr = TheMessage->cm_fields[i];
1985 safestrncpy(luser, mptr, sizeof_luser);
1986 safestrncpy(suser, mptr, sizeof_suser);
1988 else if (i == 'Y') {
1989 if ((flags & QP_EADDR) != 0) {
1990 mptr = qp_encode_email_addrs(mptr);
1992 sanitize_truncated_recipient(mptr);
1993 cprintf("CC: %s%s", mptr, nl);
1995 else if (i == 'P') {
1996 cprintf("Return-Path: %s%s", mptr, nl);
1998 else if (i == 'L') {
1999 cprintf("List-ID: %s%s", mptr, nl);
2001 else if (i == 'V') {
2002 if ((flags & QP_EADDR) != 0)
2003 mptr = qp_encode_email_addrs(mptr);
2004 cprintf("Envelope-To: %s%s", mptr, nl);
2006 else if (i == 'U') {
2007 cprintf("Subject: %s%s", mptr, nl);
2011 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2013 safestrncpy(fuser, mptr, sizeof_fuser);
2014 /* else if (i == 'O')
2015 cprintf("X-Citadel-Room: %s%s",
2018 safestrncpy(snode, mptr, sizeof_snode);
2021 if (haschar(mptr, '@') == 0)
2023 sanitize_truncated_recipient(mptr);
2024 cprintf("To: %s@%s", mptr, config.c_fqdn);
2029 if ((flags & QP_EADDR) != 0) {
2030 mptr = qp_encode_email_addrs(mptr);
2032 sanitize_truncated_recipient(mptr);
2033 cprintf("To: %s", mptr);
2037 else if (i == 'T') {
2038 datestring(datestamp, sizeof datestamp,
2039 atol(mptr), DATESTRING_RFC822);
2040 cprintf("Date: %s%s", datestamp, nl);
2042 else if (i == 'W') {
2043 cprintf("References: ");
2044 k = num_tokens(mptr, '|');
2045 for (j=0; j<k; ++j) {
2046 extract_token(buf, mptr, j, '|', sizeof buf);
2047 cprintf("<%s>", buf);
2056 else if (i == 'K') {
2057 cprintf("Reply-To: <%s>%s", mptr, nl);
2063 if (subject_found == 0) {
2064 cprintf("Subject: (no subject)%s", nl);
2069 void Dump_RFC822HeadersBody(
2070 struct CtdlMessage *TheMessage,
2071 int headers_only, /* eschew the message body? */
2072 int flags, /* should the bessage be exported clean? */
2076 cit_uint8_t prev_ch;
2078 const char *StartOfText = StrBufNOTNULL;
2081 int nllen = strlen(nl);
2085 mptr = TheMessage->cm_fields['M'];
2089 while (*mptr != '\0') {
2090 if (*mptr == '\r') {
2097 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2099 eoh = *(mptr+1) == '\n';
2103 StartOfText = strchr(StartOfText, '\n');
2104 StartOfText = strchr(StartOfText, '\n');
2107 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2108 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2109 ((headers_only != HEADERS_NONE) &&
2110 (headers_only != HEADERS_ONLY))
2112 if (*mptr == '\n') {
2113 memcpy(&outbuf[outlen], nl, nllen);
2115 outbuf[outlen] = '\0';
2118 outbuf[outlen++] = *mptr;
2122 if (flags & ESC_DOT)
2124 if ((prev_ch == '\n') &&
2126 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2128 outbuf[outlen++] = '.';
2133 if (outlen > 1000) {
2134 if (client_write(outbuf, outlen) == -1)
2136 syslog(LOG_ERR, "Dump_RFC822HeadersBody(): aborting due to write failure.\n");
2143 rc = client_write(outbuf, outlen);
2150 /* If the format type on disk is 1 (fixed-format), then we want
2151 * everything to be output completely literally ... regardless of
2152 * what message transfer format is in use.
2154 void DumpFormatFixed(
2155 struct CtdlMessage *TheMessage,
2156 int mode, /* how would you like that message? */
2163 int nllen = strlen (nl);
2166 mptr = TheMessage->cm_fields['M'];
2168 if (mode == MT_MIME) {
2169 cprintf("Content-type: text/plain\n\n");
2173 while (ch = *mptr++, ch > 0) {
2177 if ((buflen > 250) && (!xlline)){
2181 while ((buflen > 0) &&
2182 (!isspace(buf[buflen])))
2188 mptr -= tbuflen - buflen;
2193 /* if we reach the outer bounds of our buffer,
2194 abort without respect what whe purge. */
2197 (buflen > SIZ - nllen - 2)))
2201 memcpy (&buf[buflen], nl, nllen);
2205 if (client_write(buf, buflen) == -1)
2207 syslog(LOG_ERR, "DumpFormatFixed(): aborting due to write failure.\n");
2219 if (!IsEmptyStr(buf))
2220 cprintf("%s%s", buf, nl);
2224 * Get a message off disk. (returns om_* values found in msgbase.h)
2226 int CtdlOutputPreLoadedMsg(
2227 struct CtdlMessage *TheMessage,
2228 int mode, /* how would you like that message? */
2229 int headers_only, /* eschew the message body? */
2230 int do_proto, /* do Citadel protocol responses? */
2231 int crlf, /* Use CRLF newlines instead of LF? */
2232 int flags /* should the bessage be exported clean? */
2236 const char *nl; /* newline string */
2239 /* Buffers needed for RFC822 translation. These are all filled
2240 * using functions that are bounds-checked, and therefore we can
2241 * make them substantially smaller than SIZ.
2249 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2250 ((TheMessage == NULL) ? "NULL" : "not null"),
2251 mode, headers_only, do_proto, crlf);
2253 strcpy(mid, "unknown");
2254 nl = (crlf ? "\r\n" : "\n");
2256 if (!is_valid_message(TheMessage)) {
2258 "ERROR: invalid preloaded message for output\n");
2260 return(om_no_such_msg);
2263 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2264 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2266 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2267 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2270 /* Are we downloading a MIME component? */
2271 if (mode == MT_DOWNLOAD) {
2272 if (TheMessage->cm_format_type != FMT_RFC822) {
2274 cprintf("%d This is not a MIME message.\n",
2275 ERROR + ILLEGAL_VALUE);
2276 } else if (CC->download_fp != NULL) {
2277 if (do_proto) cprintf(
2278 "%d You already have a download open.\n",
2279 ERROR + RESOURCE_BUSY);
2281 /* Parse the message text component */
2282 mptr = TheMessage->cm_fields['M'];
2283 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2284 /* If there's no file open by this time, the requested
2285 * section wasn't found, so print an error
2287 if (CC->download_fp == NULL) {
2288 if (do_proto) cprintf(
2289 "%d Section %s not found.\n",
2290 ERROR + FILE_NOT_FOUND,
2291 CC->download_desired_section);
2294 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2297 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2298 * in a single server operation instead of opening a download file.
2300 if (mode == MT_SPEW_SECTION) {
2301 if (TheMessage->cm_format_type != FMT_RFC822) {
2303 cprintf("%d This is not a MIME message.\n",
2304 ERROR + ILLEGAL_VALUE);
2306 /* Parse the message text component */
2309 mptr = TheMessage->cm_fields['M'];
2310 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2311 /* If section wasn't found, print an error
2314 if (do_proto) cprintf(
2315 "%d Section %s not found.\n",
2316 ERROR + FILE_NOT_FOUND,
2317 CC->download_desired_section);
2320 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2323 /* now for the user-mode message reading loops */
2324 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2326 /* Does the caller want to skip the headers? */
2327 if (headers_only == HEADERS_NONE) goto START_TEXT;
2329 /* Tell the client which format type we're using. */
2330 if ( (mode == MT_CITADEL) && (do_proto) ) {
2331 cprintf("type=%d\n", TheMessage->cm_format_type);
2334 /* nhdr=yes means that we're only displaying headers, no body */
2335 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2336 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2339 cprintf("nhdr=yes\n");
2342 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2343 OutputCtdlMsgHeaders(TheMessage, do_proto);
2346 /* begin header processing loop for RFC822 transfer format */
2350 strcpy(snode, NODENAME);
2351 if (mode == MT_RFC822)
2352 OutputRFC822MsgHeaders(
2357 suser, sizeof(suser),
2358 luser, sizeof(luser),
2359 fuser, sizeof(fuser),
2360 snode, sizeof(snode)
2364 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2365 suser[i] = tolower(suser[i]);
2366 if (!isalnum(suser[i])) suser[i]='_';
2369 if (mode == MT_RFC822) {
2370 if (!strcasecmp(snode, NODENAME)) {
2371 safestrncpy(snode, FQDN, sizeof snode);
2374 /* Construct a fun message id */
2375 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2376 if (strchr(mid, '@')==NULL) {
2377 cprintf("@%s", snode);
2381 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2382 cprintf("From: \"----\" <x@x.org>%s", nl);
2384 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2385 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2387 else if (!IsEmptyStr(fuser)) {
2388 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2391 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2394 /* Blank line signifying RFC822 end-of-headers */
2395 if (TheMessage->cm_format_type != FMT_RFC822) {
2400 /* end header processing loop ... at this point, we're in the text */
2402 if (headers_only == HEADERS_FAST) goto DONE;
2404 /* Tell the client about the MIME parts in this message */
2405 if (TheMessage->cm_format_type == FMT_RFC822) {
2406 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2407 mptr = TheMessage->cm_fields['M'];
2408 memset(&ma, 0, sizeof(struct ma_info));
2409 mime_parser(mptr, NULL,
2410 (do_proto ? *list_this_part : NULL),
2411 (do_proto ? *list_this_pref : NULL),
2412 (do_proto ? *list_this_suff : NULL),
2415 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2416 Dump_RFC822HeadersBody(
2425 if (headers_only == HEADERS_ONLY) {
2429 /* signify start of msg text */
2430 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2431 if (do_proto) cprintf("text\n");
2434 if (TheMessage->cm_format_type == FMT_FIXED)
2437 mode, /* how would you like that message? */
2440 /* If the message on disk is format 0 (Citadel vari-format), we
2441 * output using the formatter at 80 columns. This is the final output
2442 * form if the transfer format is RFC822, but if the transfer format
2443 * is Citadel proprietary, it'll still work, because the indentation
2444 * for new paragraphs is correct and the client will reformat the
2445 * message to the reader's screen width.
2447 if (TheMessage->cm_format_type == FMT_CITADEL) {
2448 mptr = TheMessage->cm_fields['M'];
2450 if (mode == MT_MIME) {
2451 cprintf("Content-type: text/x-citadel-variformat\n\n");
2456 /* If the message on disk is format 4 (MIME), we've gotta hand it
2457 * off to the MIME parser. The client has already been told that
2458 * this message is format 1 (fixed format), so the callback function
2459 * we use will display those parts as-is.
2461 if (TheMessage->cm_format_type == FMT_RFC822) {
2462 memset(&ma, 0, sizeof(struct ma_info));
2464 if (mode == MT_MIME) {
2465 ma.use_fo_hooks = 0;
2466 strcpy(ma.chosen_part, "1");
2467 ma.chosen_pref = 9999;
2468 ma.dont_decode = CC->msg4_dont_decode;
2469 mime_parser(mptr, NULL,
2470 *choose_preferred, *fixed_output_pre,
2471 *fixed_output_post, (void *)&ma, 1);
2472 mime_parser(mptr, NULL,
2473 *output_preferred, NULL, NULL, (void *)&ma, 1);
2476 ma.use_fo_hooks = 1;
2477 mime_parser(mptr, NULL,
2478 *fixed_output, *fixed_output_pre,
2479 *fixed_output_post, (void *)&ma, 0);
2484 DONE: /* now we're done */
2485 if (do_proto) cprintf("000\n");
2491 * display a message (mode 0 - Citadel proprietary)
2493 void cmd_msg0(char *cmdbuf)
2496 int headers_only = HEADERS_ALL;
2498 msgid = extract_long(cmdbuf, 0);
2499 headers_only = extract_int(cmdbuf, 1);
2501 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2507 * display a message (mode 2 - RFC822)
2509 void cmd_msg2(char *cmdbuf)
2512 int headers_only = HEADERS_ALL;
2514 msgid = extract_long(cmdbuf, 0);
2515 headers_only = extract_int(cmdbuf, 1);
2517 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2523 * display a message (mode 3 - IGnet raw format - internal programs only)
2525 void cmd_msg3(char *cmdbuf)
2528 struct CtdlMessage *msg = NULL;
2531 if (CC->internal_pgm == 0) {
2532 cprintf("%d This command is for internal programs only.\n",
2533 ERROR + HIGHER_ACCESS_REQUIRED);
2537 msgnum = extract_long(cmdbuf, 0);
2538 msg = CtdlFetchMessage(msgnum, 1);
2540 cprintf("%d Message %ld not found.\n",
2541 ERROR + MESSAGE_NOT_FOUND, msgnum);
2545 serialize_message(&smr, msg);
2546 CtdlFreeMessage(msg);
2549 cprintf("%d Unable to serialize message\n",
2550 ERROR + INTERNAL_ERROR);
2554 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2555 client_write((char *)smr.ser, (int)smr.len);
2562 * Display a message using MIME content types
2564 void cmd_msg4(char *cmdbuf)
2569 msgid = extract_long(cmdbuf, 0);
2570 extract_token(section, cmdbuf, 1, '|', sizeof section);
2571 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2577 * Client tells us its preferred message format(s)
2579 void cmd_msgp(char *cmdbuf)
2581 if (!strcasecmp(cmdbuf, "dont_decode")) {
2582 CC->msg4_dont_decode = 1;
2583 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2586 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2587 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2593 * Open a component of a MIME message as a download file
2595 void cmd_opna(char *cmdbuf)
2598 char desired_section[128];
2600 msgid = extract_long(cmdbuf, 0);
2601 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2602 safestrncpy(CC->download_desired_section, desired_section,
2603 sizeof CC->download_desired_section);
2604 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2609 * Open a component of a MIME message and transmit it all at once
2611 void cmd_dlat(char *cmdbuf)
2614 char desired_section[128];
2616 msgid = extract_long(cmdbuf, 0);
2617 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2618 safestrncpy(CC->download_desired_section, desired_section,
2619 sizeof CC->download_desired_section);
2620 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2625 * Save one or more message pointers into a specified room
2626 * (Returns 0 for success, nonzero for failure)
2627 * roomname may be NULL to use the current room
2629 * Note that the 'supplied_msg' field may be set to NULL, in which case
2630 * the message will be fetched from disk, by number, if we need to perform
2631 * replication checks. This adds an additional database read, so if the
2632 * caller already has the message in memory then it should be supplied. (Obviously
2633 * this mode of operation only works if we're saving a single message.)
2635 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2636 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2639 char hold_rm[ROOMNAMELEN];
2640 struct cdbdata *cdbfr;
2643 long highest_msg = 0L;
2646 struct CtdlMessage *msg = NULL;
2648 long *msgs_to_be_merged = NULL;
2649 int num_msgs_to_be_merged = 0;
2652 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2653 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2656 strcpy(hold_rm, CC->room.QRname);
2659 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2660 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2661 if (num_newmsgs > 1) supplied_msg = NULL;
2663 /* Now the regular stuff */
2664 if (CtdlGetRoomLock(&CC->room,
2665 ((roomname != NULL) ? roomname : CC->room.QRname) )
2667 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2668 return(ERROR + ROOM_NOT_FOUND);
2672 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2673 num_msgs_to_be_merged = 0;
2676 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2677 if (cdbfr == NULL) {
2681 msglist = (long *) cdbfr->ptr;
2682 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2683 num_msgs = cdbfr->len / sizeof(long);
2688 /* Create a list of msgid's which were supplied by the caller, but do
2689 * not already exist in the target room. It is absolutely taboo to
2690 * have more than one reference to the same message in a room.
2692 for (i=0; i<num_newmsgs; ++i) {
2694 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2695 if (msglist[j] == newmsgidlist[i]) {
2700 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2704 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2707 * Now merge the new messages
2709 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2710 if (msglist == NULL) {
2711 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2713 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2714 num_msgs += num_msgs_to_be_merged;
2716 /* Sort the message list, so all the msgid's are in order */
2717 num_msgs = sort_msglist(msglist, num_msgs);
2719 /* Determine the highest message number */
2720 highest_msg = msglist[num_msgs - 1];
2722 /* Write it back to disk. */
2723 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2724 msglist, (int)(num_msgs * sizeof(long)));
2726 /* Free up the memory we used. */
2729 /* Update the highest-message pointer and unlock the room. */
2730 CC->room.QRhighest = highest_msg;
2731 CtdlPutRoomLock(&CC->room);
2733 /* Perform replication checks if necessary */
2734 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2735 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2737 for (i=0; i<num_msgs_to_be_merged; ++i) {
2738 msgid = msgs_to_be_merged[i];
2740 if (supplied_msg != NULL) {
2744 msg = CtdlFetchMessage(msgid, 0);
2748 ReplicationChecks(msg);
2750 /* If the message has an Exclusive ID, index that... */
2751 if (msg->cm_fields['E'] != NULL) {
2752 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2755 /* Free up the memory we may have allocated */
2756 if (msg != supplied_msg) {
2757 CtdlFreeMessage(msg);
2765 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2768 /* Submit this room for processing by hooks */
2769 PerformRoomHooks(&CC->room);
2771 /* Go back to the room we were in before we wandered here... */
2772 CtdlGetRoom(&CC->room, hold_rm);
2774 /* Bump the reference count for all messages which were merged */
2775 if (!suppress_refcount_adj) {
2776 for (i=0; i<num_msgs_to_be_merged; ++i) {
2777 AdjRefCount(msgs_to_be_merged[i], +1);
2781 /* Free up memory... */
2782 if (msgs_to_be_merged != NULL) {
2783 free(msgs_to_be_merged);
2786 /* Return success. */
2792 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2795 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2796 int do_repl_check, struct CtdlMessage *supplied_msg)
2798 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2805 * Message base operation to save a new message to the message store
2806 * (returns new message number)
2808 * This is the back end for CtdlSubmitMsg() and should not be directly
2809 * called by server-side modules.
2812 long send_message(struct CtdlMessage *msg) {
2820 /* Get a new message number */
2821 newmsgid = get_new_message_number();
2822 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2824 /* Generate an ID if we don't have one already */
2825 if (msg->cm_fields['I']==NULL) {
2826 msg->cm_fields['I'] = strdup(msgidbuf);
2829 /* If the message is big, set its body aside for storage elsewhere */
2830 if (msg->cm_fields['M'] != NULL) {
2831 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2833 holdM = msg->cm_fields['M'];
2834 msg->cm_fields['M'] = NULL;
2838 /* Serialize our data structure for storage in the database */
2839 serialize_message(&smr, msg);
2842 msg->cm_fields['M'] = holdM;
2846 cprintf("%d Unable to serialize message\n",
2847 ERROR + INTERNAL_ERROR);
2851 /* Write our little bundle of joy into the message base */
2852 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2853 smr.ser, smr.len) < 0) {
2854 syslog(LOG_ERR, "Can't store message\n");
2858 cdb_store(CDB_BIGMSGS,
2868 /* Free the memory we used for the serialized message */
2871 /* Return the *local* message ID to the caller
2872 * (even if we're storing an incoming network message)
2880 * Serialize a struct CtdlMessage into the format used on disk and network.
2882 * This function loads up a "struct ser_ret" (defined in server.h) which
2883 * contains the length of the serialized message and a pointer to the
2884 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2886 void serialize_message(struct ser_ret *ret, /* return values */
2887 struct CtdlMessage *msg) /* unserialized msg */
2889 size_t wlen, fieldlen;
2891 static char *forder = FORDER;
2894 * Check for valid message format
2896 if (is_valid_message(msg) == 0) {
2897 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2904 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2905 ret->len = ret->len +
2906 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2908 ret->ser = malloc(ret->len);
2909 if (ret->ser == NULL) {
2910 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2911 (long)ret->len, strerror(errno));
2918 ret->ser[1] = msg->cm_anon_type;
2919 ret->ser[2] = msg->cm_format_type;
2922 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2923 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2924 ret->ser[wlen++] = (char)forder[i];
2925 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2926 wlen = wlen + fieldlen + 1;
2928 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2929 (long)ret->len, (long)wlen);
2936 * Serialize a struct CtdlMessage into the format used on disk and network.
2938 * This function loads up a "struct ser_ret" (defined in server.h) which
2939 * contains the length of the serialized message and a pointer to the
2940 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2942 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2943 long Siz) /* how many chars ? */
2947 static char *forder = FORDER;
2951 * Check for valid message format
2953 if (is_valid_message(msg) == 0) {
2954 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2958 buf = (char*) malloc (Siz + 1);
2962 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2963 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2964 msg->cm_fields[(int)forder[i]]);
2965 if (client_write (buf, strlen(buf)) == -1)
2967 syslog(LOG_ERR, "dump_message(): aborting due to write failure.\n");
2978 * Check to see if any messages already exist in the current room which
2979 * carry the same Exclusive ID as this one. If any are found, delete them.
2981 void ReplicationChecks(struct CtdlMessage *msg) {
2982 long old_msgnum = (-1L);
2984 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2986 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2989 /* No exclusive id? Don't do anything. */
2990 if (msg == NULL) return;
2991 if (msg->cm_fields['E'] == NULL) return;
2992 if (IsEmptyStr(msg->cm_fields['E'])) return;
2993 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2994 msg->cm_fields['E'], CC->room.QRname);*/
2996 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2997 if (old_msgnum > 0L) {
2998 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2999 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
3006 * Save a message to disk and submit it into the delivery system.
3008 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3009 struct recptypes *recps, /* recipients (if mail) */
3010 const char *force, /* force a particular room? */
3011 int flags /* should the message be exported clean? */
3013 char submit_filename[128];
3014 char generated_timestamp[32];
3015 char hold_rm[ROOMNAMELEN];
3016 char actual_rm[ROOMNAMELEN];
3017 char force_room[ROOMNAMELEN];
3018 char content_type[SIZ]; /* We have to learn this */
3019 char recipient[SIZ];
3021 const char *mptr = NULL;
3022 struct ctdluser userbuf;
3024 struct MetaData smi;
3025 FILE *network_fp = NULL;
3026 static int seqnum = 1;
3027 struct CtdlMessage *imsg = NULL;
3029 size_t instr_alloc = 0;
3031 char *hold_R, *hold_D;
3032 char *collected_addresses = NULL;
3033 struct addresses_to_be_filed *aptr = NULL;
3034 StrBuf *saved_rfc822_version = NULL;
3035 int qualified_for_journaling = 0;
3036 CitContext *CCC = MyContext();
3037 char bounce_to[1024] = "";
3041 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3042 if (is_valid_message(msg) == 0) return(-1); /* self check */
3044 /* If this message has no timestamp, we take the liberty of
3045 * giving it one, right now.
3047 if (msg->cm_fields['T'] == NULL) {
3048 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3049 msg->cm_fields['T'] = strdup(generated_timestamp);
3052 /* If this message has no path, we generate one.
3054 if (msg->cm_fields['P'] == NULL) {
3055 if (msg->cm_fields['A'] != NULL) {
3056 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3057 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3058 if (isspace(msg->cm_fields['P'][a])) {
3059 msg->cm_fields['P'][a] = ' ';
3064 msg->cm_fields['P'] = strdup("unknown");
3068 if (force == NULL) {
3069 strcpy(force_room, "");
3072 strcpy(force_room, force);
3075 /* Learn about what's inside, because it's what's inside that counts */
3076 if (msg->cm_fields['M'] == NULL) {
3077 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3081 switch (msg->cm_format_type) {
3083 strcpy(content_type, "text/x-citadel-variformat");
3086 strcpy(content_type, "text/plain");
3089 strcpy(content_type, "text/plain");
3090 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3093 safestrncpy(content_type, &mptr[13], sizeof content_type);
3094 striplt(content_type);
3095 aptr = content_type;
3096 while (!IsEmptyStr(aptr)) {
3108 /* Goto the correct room */
3109 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3110 strcpy(hold_rm, CCC->room.QRname);
3111 strcpy(actual_rm, CCC->room.QRname);
3112 if (recps != NULL) {
3113 strcpy(actual_rm, SENTITEMS);
3116 /* If the user is a twit, move to the twit room for posting */
3118 if (CCC->user.axlevel == AxProbU) {
3119 strcpy(hold_rm, actual_rm);
3120 strcpy(actual_rm, config.c_twitroom);
3121 syslog(LOG_DEBUG, "Diverting to twit room\n");
3125 /* ...or if this message is destined for Aide> then go there. */
3126 if (!IsEmptyStr(force_room)) {
3127 strcpy(actual_rm, force_room);
3130 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3131 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3132 /* CtdlGetRoom(&CCC->room, actual_rm); */
3133 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3137 * If this message has no O (room) field, generate one.
3139 if (msg->cm_fields['O'] == NULL) {
3140 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3143 /* Perform "before save" hooks (aborting if any return nonzero) */
3144 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3145 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3148 * If this message has an Exclusive ID, and the room is replication
3149 * checking enabled, then do replication checks.
3151 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3152 ReplicationChecks(msg);
3155 /* Save it to disk */
3156 syslog(LOG_DEBUG, "Saving to disk\n");
3157 newmsgid = send_message(msg);
3158 if (newmsgid <= 0L) return(-5);
3160 /* Write a supplemental message info record. This doesn't have to
3161 * be a critical section because nobody else knows about this message
3164 syslog(LOG_DEBUG, "Creating MetaData record\n");
3165 memset(&smi, 0, sizeof(struct MetaData));
3166 smi.meta_msgnum = newmsgid;
3167 smi.meta_refcount = 0;
3168 safestrncpy(smi.meta_content_type, content_type,
3169 sizeof smi.meta_content_type);
3172 * Measure how big this message will be when rendered as RFC822.
3173 * We do this for two reasons:
3174 * 1. We need the RFC822 length for the new metadata record, so the
3175 * POP and IMAP services don't have to calculate message lengths
3176 * while the user is waiting (multiplied by potentially hundreds
3177 * or thousands of messages).
3178 * 2. If journaling is enabled, we will need an RFC822 version of the
3179 * message to attach to the journalized copy.
3181 if (CCC->redirect_buffer != NULL) {
3182 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3185 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3186 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3187 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3188 saved_rfc822_version = CCC->redirect_buffer;
3189 CCC->redirect_buffer = NULL;
3193 /* Now figure out where to store the pointers */
3194 syslog(LOG_DEBUG, "Storing pointers\n");
3196 /* If this is being done by the networker delivering a private
3197 * message, we want to BYPASS saving the sender's copy (because there
3198 * is no local sender; it would otherwise go to the Trashcan).
3200 if ((!CCC->internal_pgm) || (recps == NULL)) {
3201 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3202 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3203 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3207 /* For internet mail, drop a copy in the outbound queue room */
3208 if ((recps != NULL) && (recps->num_internet > 0)) {
3209 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3212 /* If other rooms are specified, drop them there too. */
3213 if ((recps != NULL) && (recps->num_room > 0))
3214 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3215 extract_token(recipient, recps->recp_room, i,
3216 '|', sizeof recipient);
3217 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3218 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3221 /* Bump this user's messages posted counter. */
3222 syslog(LOG_DEBUG, "Updating user\n");
3223 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3224 CCC->user.posted = CCC->user.posted + 1;
3225 CtdlPutUserLock(&CCC->user);
3227 /* Decide where bounces need to be delivered */
3228 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3229 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3231 else if (CCC->logged_in) {
3232 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3235 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3238 /* If this is private, local mail, make a copy in the
3239 * recipient's mailbox and bump the reference count.
3241 if ((recps != NULL) && (recps->num_local > 0))
3242 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3243 extract_token(recipient, recps->recp_local, i,
3244 '|', sizeof recipient);
3245 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3247 if (CtdlGetUser(&userbuf, recipient) == 0) {
3248 // Add a flag so the Funambol module knows its mail
3249 msg->cm_fields['W'] = strdup(recipient);
3250 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3251 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3252 CtdlBumpNewMailCounter(userbuf.usernum);
3253 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3254 /* Generate a instruction message for the Funambol notification
3255 * server, in the same style as the SMTP queue
3258 instr = malloc(instr_alloc);
3259 snprintf(instr, instr_alloc,
3260 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3262 SPOOLMIME, newmsgid, (long)time(NULL),
3266 imsg = malloc(sizeof(struct CtdlMessage));
3267 memset(imsg, 0, sizeof(struct CtdlMessage));
3268 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3269 imsg->cm_anon_type = MES_NORMAL;
3270 imsg->cm_format_type = FMT_RFC822;
3271 imsg->cm_fields['A'] = strdup("Citadel");
3272 imsg->cm_fields['J'] = strdup("do not journal");
3273 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3274 imsg->cm_fields['W'] = strdup(recipient);
3275 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3276 CtdlFreeMessage(imsg);
3280 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3281 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3286 /* Perform "after save" hooks */
3287 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3288 PerformMessageHooks(msg, EVT_AFTERSAVE);
3290 /* For IGnet mail, we have to save a new copy into the spooler for
3291 * each recipient, with the R and D fields set to the recipient and
3292 * destination-node. This has two ugly side effects: all other
3293 * recipients end up being unlisted in this recipient's copy of the
3294 * message, and it has to deliver multiple messages to the same
3295 * node. We'll revisit this again in a year or so when everyone has
3296 * a network spool receiver that can handle the new style messages.
3298 if ((recps != NULL) && (recps->num_ignet > 0))
3299 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3300 extract_token(recipient, recps->recp_ignet, i,
3301 '|', sizeof recipient);
3303 hold_R = msg->cm_fields['R'];
3304 hold_D = msg->cm_fields['D'];
3305 msg->cm_fields['R'] = malloc(SIZ);
3306 msg->cm_fields['D'] = malloc(128);
3307 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3308 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3310 serialize_message(&smr, msg);
3312 snprintf(submit_filename, sizeof submit_filename,
3313 "%s/netmail.%04lx.%04x.%04x",
3315 (long) getpid(), CCC->cs_pid, ++seqnum);
3316 network_fp = fopen(submit_filename, "wb+");
3317 if (network_fp != NULL) {
3318 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3324 free(msg->cm_fields['R']);
3325 free(msg->cm_fields['D']);
3326 msg->cm_fields['R'] = hold_R;
3327 msg->cm_fields['D'] = hold_D;
3330 /* Go back to the room we started from */
3331 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3332 if (strcasecmp(hold_rm, CCC->room.QRname))
3333 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3335 /* For internet mail, generate delivery instructions.
3336 * Yes, this is recursive. Deal with it. Infinite recursion does
3337 * not happen because the delivery instructions message does not
3338 * contain a recipient.
3340 if ((recps != NULL) && (recps->num_internet > 0)) {
3341 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3343 instr = malloc(instr_alloc);
3344 snprintf(instr, instr_alloc,
3345 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3347 SPOOLMIME, newmsgid, (long)time(NULL),
3351 if (recps->envelope_from != NULL) {
3352 tmp = strlen(instr);
3353 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3356 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3357 tmp = strlen(instr);
3358 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3359 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3360 instr_alloc = instr_alloc * 2;
3361 instr = realloc(instr, instr_alloc);
3363 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3366 imsg = malloc(sizeof(struct CtdlMessage));
3367 memset(imsg, 0, sizeof(struct CtdlMessage));
3368 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3369 imsg->cm_anon_type = MES_NORMAL;
3370 imsg->cm_format_type = FMT_RFC822;
3371 imsg->cm_fields['A'] = strdup("Citadel");
3372 imsg->cm_fields['J'] = strdup("do not journal");
3373 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3374 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3375 CtdlFreeMessage(imsg);
3379 * Any addresses to harvest for someone's address book?
3381 if ( (CCC->logged_in) && (recps != NULL) ) {
3382 collected_addresses = harvest_collected_addresses(msg);
3385 if (collected_addresses != NULL) {
3386 aptr = (struct addresses_to_be_filed *)
3387 malloc(sizeof(struct addresses_to_be_filed));
3388 CtdlMailboxName(actual_rm, sizeof actual_rm,
3389 &CCC->user, USERCONTACTSROOM);
3390 aptr->roomname = strdup(actual_rm);
3391 aptr->collected_addresses = collected_addresses;
3392 begin_critical_section(S_ATBF);
3395 end_critical_section(S_ATBF);
3399 * Determine whether this message qualifies for journaling.
3401 if (msg->cm_fields['J'] != NULL) {
3402 qualified_for_journaling = 0;
3405 if (recps == NULL) {
3406 qualified_for_journaling = config.c_journal_pubmsgs;
3408 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3409 qualified_for_journaling = config.c_journal_email;
3412 qualified_for_journaling = config.c_journal_pubmsgs;
3417 * Do we have to perform journaling? If so, hand off the saved
3418 * RFC822 version will be handed off to the journaler for background
3419 * submit. Otherwise, we have to free the memory ourselves.
3421 if (saved_rfc822_version != NULL) {
3422 if (qualified_for_journaling) {
3423 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3426 FreeStrBuf(&saved_rfc822_version);
3436 void aide_message (char *text, char *subject)
3438 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3443 * Convenience function for generating small administrative messages.
3445 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3446 int format_type, const char *subject)
3448 struct CtdlMessage *msg;
3449 struct recptypes *recp = NULL;
3451 msg = malloc(sizeof(struct CtdlMessage));
3452 memset(msg, 0, sizeof(struct CtdlMessage));
3453 msg->cm_magic = CTDLMESSAGE_MAGIC;
3454 msg->cm_anon_type = MES_NORMAL;
3455 msg->cm_format_type = format_type;
3458 msg->cm_fields['A'] = strdup(from);
3460 else if (fromaddr != NULL) {
3461 msg->cm_fields['A'] = strdup(fromaddr);
3462 if (strchr(msg->cm_fields['A'], '@')) {
3463 *strchr(msg->cm_fields['A'], '@') = 0;
3467 msg->cm_fields['A'] = strdup("Citadel");
3470 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3471 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3472 msg->cm_fields['N'] = strdup(NODENAME);
3474 msg->cm_fields['R'] = strdup(to);
3475 recp = validate_recipients(to, NULL, 0);
3477 if (subject != NULL) {
3478 msg->cm_fields['U'] = strdup(subject);
3480 msg->cm_fields['M'] = strdup(text);
3482 CtdlSubmitMsg(msg, recp, room, 0);
3483 CtdlFreeMessage(msg);
3484 if (recp != NULL) free_recipients(recp);
3490 * Back end function used by CtdlMakeMessage() and similar functions
3492 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3494 size_t maxlen, /* maximum message length */
3495 char *exist, /* if non-null, append to it;
3496 exist is ALWAYS freed */
3497 int crlf, /* CRLF newlines instead of LF */
3498 int *sock /* socket handle or 0 for this session's client socket */
3507 LineBuf = NewStrBufPlain(NULL, SIZ);
3508 if (exist == NULL) {
3509 Message = NewStrBufPlain(NULL, 4 * SIZ);
3512 Message = NewStrBufPlain(exist, -1);
3516 /* Do we need to change leading ".." to "." for SMTP escaping? */
3517 if ((tlen == 1) && (*terminator == '.')) {
3521 /* read in the lines of message text one by one */
3524 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3529 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3531 if ((StrLength(LineBuf) == tlen) &&
3532 (!strcmp(ChrPtr(LineBuf), terminator)))
3535 if ( (!flushing) && (!finished) ) {
3537 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3540 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3543 /* Unescape SMTP-style input of two dots at the beginning of the line */
3545 (StrLength(LineBuf) == 2) &&
3546 (!strcmp(ChrPtr(LineBuf), "..")))
3548 StrBufCutLeft(LineBuf, 1);
3551 StrBufAppendBuf(Message, LineBuf, 0);
3554 /* if we've hit the max msg length, flush the rest */
3555 if (StrLength(Message) >= maxlen) flushing = 1;
3557 } while (!finished);
3558 FreeStrBuf(&LineBuf);
3562 void DeleteAsyncMsg(ReadAsyncMsg **Msg)
3566 FreeStrBuf(&(*Msg)->MsgBuf);
3572 ReadAsyncMsg *NewAsyncMsg(const char *terminator, /* token signalling EOT */
3574 size_t maxlen, /* maximum message length */
3575 size_t expectlen, /* if we expect a message, how long should it be? */
3576 char *exist, /* if non-null, append to it;
3577 exist is ALWAYS freed */
3578 long eLen, /* length of exist */
3579 int crlf /* CRLF newlines instead of LF */
3582 ReadAsyncMsg *NewMsg;
3584 NewMsg = (ReadAsyncMsg *)malloc(sizeof(ReadAsyncMsg));
3585 memset(NewMsg, 0, sizeof(ReadAsyncMsg));
3587 if (exist == NULL) {
3590 if (expectlen == 0) {
3594 len = expectlen + 10;
3596 NewMsg->MsgBuf = NewStrBufPlain(NULL, len);
3599 NewMsg->MsgBuf = NewStrBufPlain(exist, eLen);
3602 /* Do we need to change leading ".." to "." for SMTP escaping? */
3603 if ((tlen == 1) && (*terminator == '.')) {
3607 NewMsg->terminator = terminator;
3608 NewMsg->tlen = tlen;
3610 NewMsg->maxlen = maxlen;
3612 NewMsg->crlf = crlf;
3618 * Back end function used by CtdlMakeMessage() and similar functions
3620 eReadState CtdlReadMessageBodyAsync(AsyncIO *IO)
3622 ReadAsyncMsg *ReadMsg;
3623 int MsgFinished = 0;
3624 eReadState Finished = eMustReadMore;
3629 const char *pch = ChrPtr(IO->SendBuf.Buf);
3630 const char *pchh = IO->SendBuf.ReadWritePointer;
3636 nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
3637 snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
3638 ((CitContext*)(IO->CitContext))->ServiceName,
3641 fd = fopen(fn, "a+");
3644 ReadMsg = IO->ReadMsg;
3646 /* read in the lines of message text one by one */
3648 Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
3651 case eMustReadMore: /// read new from socket...
3653 if (IO->RecvBuf.ReadWritePointer != NULL) {
3654 nbytes = StrLength(IO->RecvBuf.Buf) - (IO->RecvBuf.ReadWritePointer - ChrPtr(IO->RecvBuf.Buf));
3655 fprintf(fd, "Read; Line unfinished: %ld Bytes still in buffer [", nbytes);
3657 fwrite(IO->RecvBuf.ReadWritePointer, nbytes, 1, fd);
3661 fprintf(fd, "BufferEmpty! \n");
3667 case eBufferNotEmpty: /* shouldn't happen... */
3668 case eReadSuccess: /// done for now...
3670 case eReadFail: /// WHUT?
3676 if ((StrLength(IO->IOBuf) == ReadMsg->tlen) &&
3677 (!strcmp(ChrPtr(IO->IOBuf), ReadMsg->terminator))) {
3680 fprintf(fd, "found Terminator; Message Size: %d\n", StrLength(ReadMsg->MsgBuf));
3683 else if (!ReadMsg->flushing) {
3686 fprintf(fd, "Read Line: [%d][%s]\n", StrLength(IO->IOBuf), ChrPtr(IO->IOBuf));
3689 /* Unescape SMTP-style input of two dots at the beginning of the line */
3690 if ((ReadMsg->dodot) &&
3691 (StrLength(IO->IOBuf) == 2) && /* TODO: do we just unescape lines with two dots or any line? */
3692 (!strcmp(ChrPtr(IO->IOBuf), "..")))
3695 fprintf(fd, "UnEscaped!\n");
3697 StrBufCutLeft(IO->IOBuf, 1);
3700 if (ReadMsg->crlf) {
3701 StrBufAppendBufPlain(IO->IOBuf, HKEY("\r\n"), 0);
3704 StrBufAppendBufPlain(IO->IOBuf, HKEY("\n"), 0);
3707 StrBufAppendBuf(ReadMsg->MsgBuf, IO->IOBuf, 0);
3710 /* if we've hit the max msg length, flush the rest */
3711 if (StrLength(ReadMsg->MsgBuf) >= ReadMsg->maxlen) ReadMsg->flushing = 1;
3713 } while (!MsgFinished);
3716 fprintf(fd, "Done with reading; %s.\n, ",
3717 (MsgFinished)?"Message Finished": "FAILED");
3721 return eReadSuccess;
3728 * Back end function used by CtdlMakeMessage() and similar functions
3730 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3732 size_t maxlen, /* maximum message length */
3733 char *exist, /* if non-null, append to it;
3734 exist is ALWAYS freed */
3735 int crlf, /* CRLF newlines instead of LF */
3736 int *sock /* socket handle or 0 for this session's client socket */
3741 Message = CtdlReadMessageBodyBuf(terminator,
3747 if (Message == NULL)
3750 return SmashStrBuf(&Message);
3755 * Build a binary message to be saved on disk.
3756 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3757 * will become part of the message. This means you are no longer
3758 * responsible for managing that memory -- it will be freed along with
3759 * the rest of the fields when CtdlFreeMessage() is called.)
3762 struct CtdlMessage *CtdlMakeMessage(
3763 struct ctdluser *author, /* author's user structure */
3764 char *recipient, /* NULL if it's not mail */
3765 char *recp_cc, /* NULL if it's not mail */
3766 char *room, /* room where it's going */
3767 int type, /* see MES_ types in header file */
3768 int format_type, /* variformat, plain text, MIME... */
3769 char *fake_name, /* who we're masquerading as */
3770 char *my_email, /* which of my email addresses to use (empty is ok) */
3771 char *subject, /* Subject (optional) */
3772 char *supplied_euid, /* ...or NULL if this is irrelevant */
3773 char *preformatted_text, /* ...or NULL to read text from client */
3774 char *references /* Thread references */
3776 char dest_node[256];
3778 struct CtdlMessage *msg;
3780 StrBuf *FakeEncAuthor = NULL;
3782 msg = malloc(sizeof(struct CtdlMessage));
3783 memset(msg, 0, sizeof(struct CtdlMessage));
3784 msg->cm_magic = CTDLMESSAGE_MAGIC;
3785 msg->cm_anon_type = type;
3786 msg->cm_format_type = format_type;
3788 /* Don't confuse the poor folks if it's not routed mail. */
3789 strcpy(dest_node, "");
3791 if (recipient != NULL) striplt(recipient);
3792 if (recp_cc != NULL) striplt(recp_cc);
3794 /* Path or Return-Path */
3795 if (my_email == NULL) my_email = "";
3797 if (!IsEmptyStr(my_email)) {
3798 msg->cm_fields['P'] = strdup(my_email);
3801 snprintf(buf, sizeof buf, "%s", author->fullname);
3802 msg->cm_fields['P'] = strdup(buf);
3804 convert_spaces_to_underscores(msg->cm_fields['P']);
3806 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3807 msg->cm_fields['T'] = strdup(buf);
3809 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3810 FakeAuthor = NewStrBufPlain (fake_name, -1);
3813 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3815 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3816 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3817 FreeStrBuf(&FakeAuthor);
3819 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3820 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3823 msg->cm_fields['O'] = strdup(CC->room.QRname);
3826 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3827 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3829 if ((recipient != NULL) && (recipient[0] != 0)) {
3830 msg->cm_fields['R'] = strdup(recipient);
3832 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3833 msg->cm_fields['Y'] = strdup(recp_cc);
3835 if (dest_node[0] != 0) {
3836 msg->cm_fields['D'] = strdup(dest_node);
3839 if (!IsEmptyStr(my_email)) {
3840 msg->cm_fields['F'] = strdup(my_email);
3842 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3843 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3846 if (subject != NULL) {
3849 length = strlen(subject);
3855 while ((subject[i] != '\0') &&
3856 (IsAscii = isascii(subject[i]) != 0 ))
3859 msg->cm_fields['U'] = strdup(subject);
3860 else /* ok, we've got utf8 in the string. */
3862 msg->cm_fields['U'] = rfc2047encode(subject, length);
3868 if (supplied_euid != NULL) {
3869 msg->cm_fields['E'] = strdup(supplied_euid);
3872 if (references != NULL) {
3873 if (!IsEmptyStr(references)) {
3874 msg->cm_fields['W'] = strdup(references);
3878 if (preformatted_text != NULL) {
3879 msg->cm_fields['M'] = preformatted_text;
3882 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3890 * Check to see whether we have permission to post a message in the current
3891 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3892 * returns 0 on success.
3894 int CtdlDoIHavePermissionToPostInThisRoom(
3897 const char* RemoteIdentifier,
3903 if (!(CC->logged_in) &&
3904 (PostPublic == POST_LOGGED_IN)) {
3905 snprintf(errmsgbuf, n, "Not logged in.");
3906 return (ERROR + NOT_LOGGED_IN);
3908 else if (PostPublic == CHECK_EXISTANCE) {
3909 return (0); // We're Evaling whether a recipient exists
3911 else if (!(CC->logged_in)) {
3913 if ((CC->room.QRflags & QR_READONLY)) {
3914 snprintf(errmsgbuf, n, "Not logged in.");
3915 return (ERROR + NOT_LOGGED_IN);
3917 if (CC->room.QRflags2 & QR2_MODERATED) {
3918 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3919 return (ERROR + NOT_LOGGED_IN);
3921 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3926 if (RemoteIdentifier == NULL)
3928 snprintf(errmsgbuf, n, "Need sender to permit access.");
3929 return (ERROR + USERNAME_REQUIRED);
3932 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3933 begin_critical_section(S_NETCONFIGS);
3934 if (!read_spoolcontrol_file(&sc, filename))
3936 end_critical_section(S_NETCONFIGS);
3937 snprintf(errmsgbuf, n,
3938 "This mailing list only accepts posts from subscribers.");
3939 return (ERROR + NO_SUCH_USER);
3941 end_critical_section(S_NETCONFIGS);
3942 found = is_recipient (sc, RemoteIdentifier);
3943 free_spoolcontrol_struct(&sc);
3948 snprintf(errmsgbuf, n,
3949 "This mailing list only accepts posts from subscribers.");
3950 return (ERROR + NO_SUCH_USER);
3957 if ((CC->user.axlevel < AxProbU)
3958 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3959 snprintf(errmsgbuf, n, "Need to be validated to enter "
3960 "(except in %s> to sysop)", MAILROOM);
3961 return (ERROR + HIGHER_ACCESS_REQUIRED);
3964 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3966 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3968 * To be thorough, we ought to check to see if the message they are
3969 * replying to is actually a valid one in this room, but unless this
3970 * actually becomes a problem we'll go with high performance instead.
3972 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3973 return (ERROR + HIGHER_ACCESS_REQUIRED);
3976 else if (!(ra & UA_POSTALLOWED)) {
3977 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3978 return (ERROR + HIGHER_ACCESS_REQUIRED);
3981 strcpy(errmsgbuf, "Ok");
3987 * Check to see if the specified user has Internet mail permission
3988 * (returns nonzero if permission is granted)
3990 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3992 /* Do not allow twits to send Internet mail */
3993 if (who->axlevel <= AxProbU) return(0);
3995 /* Globally enabled? */
3996 if (config.c_restrict == 0) return(1);
3998 /* User flagged ok? */
3999 if (who->flags & US_INTERNET) return(2);
4001 /* Aide level access? */
4002 if (who->axlevel >= AxAideU) return(3);
4004 /* No mail for you! */
4010 * Validate recipients, count delivery types and errors, and handle aliasing
4011 * FIXME check for dupes!!!!!
4013 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
4014 * were specified, or the number of addresses found invalid.
4016 * Caller needs to free the result using free_recipients()
4018 struct recptypes *validate_recipients(const char *supplied_recipients,
4019 const char *RemoteIdentifier,
4021 struct recptypes *ret;
4022 char *recipients = NULL;
4023 char this_recp[256];
4024 char this_recp_cooked[256];
4030 struct ctdluser tempUS;
4031 struct ctdlroom tempQR;
4032 struct ctdlroom tempQR2;
4038 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
4039 if (ret == NULL) return(NULL);
4041 /* Set all strings to null and numeric values to zero */
4042 memset(ret, 0, sizeof(struct recptypes));
4044 if (supplied_recipients == NULL) {
4045 recipients = strdup("");
4048 recipients = strdup(supplied_recipients);
4051 /* Allocate some memory. Yes, this allocates 500% more memory than we will
4052 * actually need, but it's healthier for the heap than doing lots of tiny
4053 * realloc() calls instead.
4056 ret->errormsg = malloc(strlen(recipients) + 1024);
4057 ret->recp_local = malloc(strlen(recipients) + 1024);
4058 ret->recp_internet = malloc(strlen(recipients) + 1024);
4059 ret->recp_ignet = malloc(strlen(recipients) + 1024);
4060 ret->recp_room = malloc(strlen(recipients) + 1024);
4061 ret->display_recp = malloc(strlen(recipients) + 1024);
4063 ret->errormsg[0] = 0;
4064 ret->recp_local[0] = 0;
4065 ret->recp_internet[0] = 0;
4066 ret->recp_ignet[0] = 0;
4067 ret->recp_room[0] = 0;
4068 ret->display_recp[0] = 0;
4070 ret->recptypes_magic = RECPTYPES_MAGIC;
4072 /* Change all valid separator characters to commas */
4073 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
4074 if ((recipients[i] == ';') || (recipients[i] == '|')) {
4075 recipients[i] = ',';
4079 /* Now start extracting recipients... */
4081 while (!IsEmptyStr(recipients)) {
4083 for (i=0; i<=strlen(recipients); ++i) {
4084 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
4085 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
4086 safestrncpy(this_recp, recipients, i+1);
4088 if (recipients[i] == ',') {
4089 strcpy(recipients, &recipients[i+1]);
4092 strcpy(recipients, "");
4099 if (IsEmptyStr(this_recp))
4101 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
4103 mailtype = alias(this_recp);
4104 mailtype = alias(this_recp);
4105 mailtype = alias(this_recp);
4107 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
4108 if (this_recp[j]=='_') {
4109 this_recp_cooked[j] = ' ';
4112 this_recp_cooked[j] = this_recp[j];
4115 this_recp_cooked[j] = '\0';
4120 if (!strcasecmp(this_recp, "sysop")) {
4122 strcpy(this_recp, config.c_aideroom);
4123 if (!IsEmptyStr(ret->recp_room)) {
4124 strcat(ret->recp_room, "|");
4126 strcat(ret->recp_room, this_recp);
4128 else if ( (!strncasecmp(this_recp, "room_", 5))
4129 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
4131 /* Save room so we can restore it later */
4135 /* Check permissions to send mail to this room */
4136 err = CtdlDoIHavePermissionToPostInThisRoom(
4141 0 /* 0 = not a reply */
4150 if (!IsEmptyStr(ret->recp_room)) {
4151 strcat(ret->recp_room, "|");
4153 strcat(ret->recp_room, &this_recp_cooked[5]);
4156 /* Restore room in case something needs it */
4160 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4162 strcpy(this_recp, tempUS.fullname);
4163 if (!IsEmptyStr(ret->recp_local)) {
4164 strcat(ret->recp_local, "|");
4166 strcat(ret->recp_local, this_recp);
4168 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4170 strcpy(this_recp, tempUS.fullname);
4171 if (!IsEmptyStr(ret->recp_local)) {
4172 strcat(ret->recp_local, "|");
4174 strcat(ret->recp_local, this_recp);
4182 /* Yes, you're reading this correctly: if the target
4183 * domain points back to the local system or an attached
4184 * Citadel directory, the address is invalid. That's
4185 * because if the address were valid, we would have
4186 * already translated it to a local address by now.
4188 if (IsDirectory(this_recp, 0)) {
4193 ++ret->num_internet;
4194 if (!IsEmptyStr(ret->recp_internet)) {
4195 strcat(ret->recp_internet, "|");
4197 strcat(ret->recp_internet, this_recp);
4202 if (!IsEmptyStr(ret->recp_ignet)) {
4203 strcat(ret->recp_ignet, "|");
4205 strcat(ret->recp_ignet, this_recp);
4213 if (IsEmptyStr(errmsg)) {
4214 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4217 snprintf(append, sizeof append, "%s", errmsg);
4219 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4220 if (!IsEmptyStr(ret->errormsg)) {
4221 strcat(ret->errormsg, "; ");
4223 strcat(ret->errormsg, append);
4227 if (IsEmptyStr(ret->display_recp)) {
4228 strcpy(append, this_recp);
4231 snprintf(append, sizeof append, ", %s", this_recp);
4233 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4234 strcat(ret->display_recp, append);
4239 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4240 ret->num_room + ret->num_error) == 0) {
4241 ret->num_error = (-1);
4242 strcpy(ret->errormsg, "No recipients specified.");
4245 syslog(LOG_DEBUG, "validate_recipients()\n");
4246 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4247 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4248 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4249 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4250 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4258 * Destructor for struct recptypes
4260 void free_recipients(struct recptypes *valid) {
4262 if (valid == NULL) {
4266 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4267 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4271 if (valid->errormsg != NULL) free(valid->errormsg);
4272 if (valid->recp_local != NULL) free(valid->recp_local);
4273 if (valid->recp_internet != NULL) free(valid->recp_internet);
4274 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4275 if (valid->recp_room != NULL) free(valid->recp_room);
4276 if (valid->display_recp != NULL) free(valid->display_recp);
4277 if (valid->bounce_to != NULL) free(valid->bounce_to);
4278 if (valid->envelope_from != NULL) free(valid->envelope_from);
4285 * message entry - mode 0 (normal)
4287 void cmd_ent0(char *entargs)
4293 char supplied_euid[128];
4295 int format_type = 0;
4296 char newusername[256];
4297 char newuseremail[256];
4298 struct CtdlMessage *msg;
4302 struct recptypes *valid = NULL;
4303 struct recptypes *valid_to = NULL;
4304 struct recptypes *valid_cc = NULL;
4305 struct recptypes *valid_bcc = NULL;
4307 int subject_required = 0;
4312 int newuseremail_ok = 0;
4313 char references[SIZ];
4318 post = extract_int(entargs, 0);
4319 extract_token(recp, entargs, 1, '|', sizeof recp);
4320 anon_flag = extract_int(entargs, 2);
4321 format_type = extract_int(entargs, 3);
4322 extract_token(subject, entargs, 4, '|', sizeof subject);
4323 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4324 do_confirm = extract_int(entargs, 6);
4325 extract_token(cc, entargs, 7, '|', sizeof cc);
4326 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4327 switch(CC->room.QRdefaultview) {
4330 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4333 supplied_euid[0] = 0;
4336 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4337 extract_token(references, entargs, 11, '|', sizeof references);
4338 for (ptr=references; *ptr != 0; ++ptr) {
4339 if (*ptr == '!') *ptr = '|';
4342 /* first check to make sure the request is valid. */
4344 err = CtdlDoIHavePermissionToPostInThisRoom(
4349 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4353 cprintf("%d %s\n", err, errmsg);
4357 /* Check some other permission type things. */
4359 if (IsEmptyStr(newusername)) {
4360 strcpy(newusername, CC->user.fullname);
4362 if ( (CC->user.axlevel < AxAideU)
4363 && (strcasecmp(newusername, CC->user.fullname))
4364 && (strcasecmp(newusername, CC->cs_inet_fn))
4366 cprintf("%d You don't have permission to author messages as '%s'.\n",
4367 ERROR + HIGHER_ACCESS_REQUIRED,
4374 if (IsEmptyStr(newuseremail)) {
4375 newuseremail_ok = 1;
4378 if (!IsEmptyStr(newuseremail)) {
4379 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4380 newuseremail_ok = 1;
4382 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4383 j = num_tokens(CC->cs_inet_other_emails, '|');
4384 for (i=0; i<j; ++i) {
4385 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4386 if (!strcasecmp(newuseremail, buf)) {
4387 newuseremail_ok = 1;
4393 if (!newuseremail_ok) {
4394 cprintf("%d You don't have permission to author messages as '%s'.\n",
4395 ERROR + HIGHER_ACCESS_REQUIRED,
4401 CC->cs_flags |= CS_POSTING;
4403 /* In mailbox rooms we have to behave a little differently --
4404 * make sure the user has specified at least one recipient. Then
4405 * validate the recipient(s). We do this for the Mail> room, as
4406 * well as any room which has the "Mailbox" view set - unless it
4407 * is the DRAFTS room which does not require recipients
4410 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4411 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4412 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4413 if (CC->user.axlevel < AxProbU) {
4414 strcpy(recp, "sysop");
4419 valid_to = validate_recipients(recp, NULL, 0);
4420 if (valid_to->num_error > 0) {
4421 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4422 free_recipients(valid_to);
4426 valid_cc = validate_recipients(cc, NULL, 0);
4427 if (valid_cc->num_error > 0) {
4428 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4429 free_recipients(valid_to);
4430 free_recipients(valid_cc);
4434 valid_bcc = validate_recipients(bcc, NULL, 0);
4435 if (valid_bcc->num_error > 0) {
4436 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4437 free_recipients(valid_to);
4438 free_recipients(valid_cc);
4439 free_recipients(valid_bcc);
4443 /* Recipient required, but none were specified */
4444 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4445 free_recipients(valid_to);
4446 free_recipients(valid_cc);
4447 free_recipients(valid_bcc);
4448 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4452 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4453 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4454 cprintf("%d You do not have permission "
4455 "to send Internet mail.\n",
4456 ERROR + HIGHER_ACCESS_REQUIRED);
4457 free_recipients(valid_to);
4458 free_recipients(valid_cc);
4459 free_recipients(valid_bcc);
4464 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)
4465 && (CC->user.axlevel < AxNetU) ) {
4466 cprintf("%d Higher access required for network mail.\n",
4467 ERROR + HIGHER_ACCESS_REQUIRED);
4468 free_recipients(valid_to);
4469 free_recipients(valid_cc);
4470 free_recipients(valid_bcc);
4474 if ((RESTRICT_INTERNET == 1)
4475 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4476 && ((CC->user.flags & US_INTERNET) == 0)
4477 && (!CC->internal_pgm)) {
4478 cprintf("%d You don't have access to Internet mail.\n",
4479 ERROR + HIGHER_ACCESS_REQUIRED);
4480 free_recipients(valid_to);
4481 free_recipients(valid_cc);
4482 free_recipients(valid_bcc);
4488 /* Is this a room which has anonymous-only or anonymous-option? */
4489 anonymous = MES_NORMAL;
4490 if (CC->room.QRflags & QR_ANONONLY) {
4491 anonymous = MES_ANONONLY;
4493 if (CC->room.QRflags & QR_ANONOPT) {
4494 if (anon_flag == 1) { /* only if the user requested it */
4495 anonymous = MES_ANONOPT;
4499 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4503 /* Recommend to the client that the use of a message subject is
4504 * strongly recommended in this room, if either the SUBJECTREQ flag
4505 * is set, or if there is one or more Internet email recipients.
4507 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4508 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4509 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4510 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4512 /* If we're only checking the validity of the request, return
4513 * success without creating the message.
4516 cprintf("%d %s|%d\n", CIT_OK,
4517 ((valid_to != NULL) ? valid_to->display_recp : ""),
4519 free_recipients(valid_to);
4520 free_recipients(valid_cc);
4521 free_recipients(valid_bcc);
4525 /* We don't need these anymore because we'll do it differently below */
4526 free_recipients(valid_to);
4527 free_recipients(valid_cc);
4528 free_recipients(valid_bcc);
4530 /* Read in the message from the client. */
4532 cprintf("%d send message\n", START_CHAT_MODE);
4534 cprintf("%d send message\n", SEND_LISTING);
4537 msg = CtdlMakeMessage(&CC->user, recp, cc,
4538 CC->room.QRname, anonymous, format_type,
4539 newusername, newuseremail, subject,
4540 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4543 /* Put together one big recipients struct containing to/cc/bcc all in
4544 * one. This is for the envelope.
4546 char *all_recps = malloc(SIZ * 3);
4547 strcpy(all_recps, recp);
4548 if (!IsEmptyStr(cc)) {
4549 if (!IsEmptyStr(all_recps)) {
4550 strcat(all_recps, ",");
4552 strcat(all_recps, cc);
4554 if (!IsEmptyStr(bcc)) {
4555 if (!IsEmptyStr(all_recps)) {
4556 strcat(all_recps, ",");
4558 strcat(all_recps, bcc);
4560 if (!IsEmptyStr(all_recps)) {
4561 valid = validate_recipients(all_recps, NULL, 0);
4569 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4572 cprintf("%ld\n", msgnum);
4574 cprintf("Message accepted.\n");
4577 cprintf("Internal error.\n");
4579 if (msg->cm_fields['E'] != NULL) {
4580 cprintf("%s\n", msg->cm_fields['E']);
4587 CtdlFreeMessage(msg);
4589 if (valid != NULL) {
4590 free_recipients(valid);
4598 * API function to delete messages which match a set of criteria
4599 * (returns the actual number of messages deleted)
4601 int CtdlDeleteMessages(char *room_name, /* which room */
4602 long *dmsgnums, /* array of msg numbers to be deleted */
4603 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4604 char *content_type /* or "" for any. regular expressions expected. */
4607 struct ctdlroom qrbuf;
4608 struct cdbdata *cdbfr;
4609 long *msglist = NULL;
4610 long *dellist = NULL;
4613 int num_deleted = 0;
4615 struct MetaData smi;
4618 int need_to_free_re = 0;
4620 if (content_type) if (!IsEmptyStr(content_type)) {
4621 regcomp(&re, content_type, 0);
4622 need_to_free_re = 1;
4624 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4625 room_name, num_dmsgnums, content_type);
4627 /* get room record, obtaining a lock... */
4628 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4629 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4631 if (need_to_free_re) regfree(&re);
4632 return (0); /* room not found */
4634 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4636 if (cdbfr != NULL) {
4637 dellist = malloc(cdbfr->len);
4638 msglist = (long *) cdbfr->ptr;
4639 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4640 num_msgs = cdbfr->len / sizeof(long);
4644 for (i = 0; i < num_msgs; ++i) {
4647 /* Set/clear a bit for each criterion */
4649 /* 0 messages in the list or a null list means that we are
4650 * interested in deleting any messages which meet the other criteria.
4652 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4653 delete_this |= 0x01;
4656 for (j=0; j<num_dmsgnums; ++j) {
4657 if (msglist[i] == dmsgnums[j]) {
4658 delete_this |= 0x01;
4663 if (IsEmptyStr(content_type)) {
4664 delete_this |= 0x02;
4666 GetMetaData(&smi, msglist[i]);
4667 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4668 delete_this |= 0x02;
4672 /* Delete message only if all bits are set */
4673 if (delete_this == 0x03) {
4674 dellist[num_deleted++] = msglist[i];
4679 num_msgs = sort_msglist(msglist, num_msgs);
4680 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4681 msglist, (int)(num_msgs * sizeof(long)));
4684 qrbuf.QRhighest = msglist[num_msgs - 1];
4686 qrbuf.QRhighest = 0;
4688 CtdlPutRoomLock(&qrbuf);
4690 /* Go through the messages we pulled out of the index, and decrement
4691 * their reference counts by 1. If this is the only room the message
4692 * was in, the reference count will reach zero and the message will
4693 * automatically be deleted from the database. We do this in a
4694 * separate pass because there might be plug-in hooks getting called,
4695 * and we don't want that happening during an S_ROOMS critical
4698 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4699 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4700 AdjRefCount(dellist[i], -1);
4703 /* Now free the memory we used, and go away. */
4704 if (msglist != NULL) free(msglist);
4705 if (dellist != NULL) free(dellist);
4706 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4707 if (need_to_free_re) regfree(&re);
4708 return (num_deleted);
4714 * Check whether the current user has permission to delete messages from
4715 * the current room (returns 1 for yes, 0 for no)
4717 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4719 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4720 if (ra & UA_DELETEALLOWED) return(1);
4728 * Delete message from current room
4730 void cmd_dele(char *args)
4739 extract_token(msgset, args, 0, '|', sizeof msgset);
4740 num_msgs = num_tokens(msgset, ',');
4742 cprintf("%d Nothing to do.\n", CIT_OK);
4746 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4747 cprintf("%d Higher access required.\n",
4748 ERROR + HIGHER_ACCESS_REQUIRED);
4753 * Build our message set to be moved/copied
4755 msgs = malloc(num_msgs * sizeof(long));
4756 for (i=0; i<num_msgs; ++i) {
4757 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4758 msgs[i] = atol(msgtok);
4761 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4765 cprintf("%d %d message%s deleted.\n", CIT_OK,
4766 num_deleted, ((num_deleted != 1) ? "s" : ""));
4768 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4776 * move or copy a message to another room
4778 void cmd_move(char *args)
4785 char targ[ROOMNAMELEN];
4786 struct ctdlroom qtemp;
4793 extract_token(msgset, args, 0, '|', sizeof msgset);
4794 num_msgs = num_tokens(msgset, ',');
4796 cprintf("%d Nothing to do.\n", CIT_OK);
4800 extract_token(targ, args, 1, '|', sizeof targ);
4801 convert_room_name_macros(targ, sizeof targ);
4802 targ[ROOMNAMELEN - 1] = 0;
4803 is_copy = extract_int(args, 2);
4805 if (CtdlGetRoom(&qtemp, targ) != 0) {
4806 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4810 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4811 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4815 CtdlGetUser(&CC->user, CC->curr_user);
4816 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4818 /* Check for permission to perform this operation.
4819 * Remember: "CC->room" is source, "qtemp" is target.
4823 /* Aides can move/copy */
4824 if (CC->user.axlevel >= AxAideU) permit = 1;
4826 /* Room aides can move/copy */
4827 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4829 /* Permit move/copy from personal rooms */
4830 if ((CC->room.QRflags & QR_MAILBOX)
4831 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4833 /* Permit only copy from public to personal room */
4835 && (!(CC->room.QRflags & QR_MAILBOX))
4836 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4838 /* Permit message removal from collaborative delete rooms */
4839 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4841 /* Users allowed to post into the target room may move into it too. */
4842 if ((CC->room.QRflags & QR_MAILBOX) &&
4843 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4845 /* User must have access to target room */
4846 if (!(ra & UA_KNOWN)) permit = 0;
4849 cprintf("%d Higher access required.\n",
4850 ERROR + HIGHER_ACCESS_REQUIRED);
4855 * Build our message set to be moved/copied
4857 msgs = malloc(num_msgs * sizeof(long));
4858 for (i=0; i<num_msgs; ++i) {
4859 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4860 msgs[i] = atol(msgtok);
4866 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4868 cprintf("%d Cannot store message(s) in %s: error %d\n",
4874 /* Now delete the message from the source room,
4875 * if this is a 'move' rather than a 'copy' operation.
4878 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4882 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4888 * GetMetaData() - Get the supplementary record for a message
4890 void GetMetaData(struct MetaData *smibuf, long msgnum)
4893 struct cdbdata *cdbsmi;
4896 memset(smibuf, 0, sizeof(struct MetaData));
4897 smibuf->meta_msgnum = msgnum;
4898 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4900 /* Use the negative of the message number for its supp record index */
4901 TheIndex = (0L - msgnum);
4903 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4904 if (cdbsmi == NULL) {
4905 return; /* record not found; go with defaults */
4907 memcpy(smibuf, cdbsmi->ptr,
4908 ((cdbsmi->len > sizeof(struct MetaData)) ?
4909 sizeof(struct MetaData) : cdbsmi->len));
4916 * PutMetaData() - (re)write supplementary record for a message
4918 void PutMetaData(struct MetaData *smibuf)
4922 /* Use the negative of the message number for the metadata db index */
4923 TheIndex = (0L - smibuf->meta_msgnum);
4925 cdb_store(CDB_MSGMAIN,
4926 &TheIndex, (int)sizeof(long),
4927 smibuf, (int)sizeof(struct MetaData));
4932 * AdjRefCount - submit an adjustment to the reference count for a message.
4933 * (These are just queued -- we actually process them later.)
4935 void AdjRefCount(long msgnum, int incr)
4937 struct arcq new_arcq;
4940 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4944 begin_critical_section(S_SUPPMSGMAIN);
4945 if (arcfp == NULL) {
4946 arcfp = fopen(file_arcq, "ab+");
4948 end_critical_section(S_SUPPMSGMAIN);
4950 /* msgnum < 0 means that we're trying to close the file */
4952 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4953 begin_critical_section(S_SUPPMSGMAIN);
4954 if (arcfp != NULL) {
4958 end_critical_section(S_SUPPMSGMAIN);
4963 * If we can't open the queue, perform the operation synchronously.
4965 if (arcfp == NULL) {
4966 TDAP_AdjRefCount(msgnum, incr);
4970 new_arcq.arcq_msgnum = msgnum;
4971 new_arcq.arcq_delta = incr;
4972 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4980 * TDAP_ProcessAdjRefCountQueue()
4982 * Process the queue of message count adjustments that was created by calls
4983 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4984 * for each one. This should be an "off hours" operation.
4986 int TDAP_ProcessAdjRefCountQueue(void)
4988 char file_arcq_temp[PATH_MAX];
4991 struct arcq arcq_rec;
4992 int num_records_processed = 0;
4994 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4996 begin_critical_section(S_SUPPMSGMAIN);
4997 if (arcfp != NULL) {
5002 r = link(file_arcq, file_arcq_temp);
5004 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5005 end_critical_section(S_SUPPMSGMAIN);
5006 return(num_records_processed);
5010 end_critical_section(S_SUPPMSGMAIN);
5012 fp = fopen(file_arcq_temp, "rb");
5014 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5015 return(num_records_processed);
5018 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
5019 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
5020 ++num_records_processed;
5024 r = unlink(file_arcq_temp);
5026 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
5029 return(num_records_processed);
5035 * TDAP_AdjRefCount - adjust the reference count for a message.
5036 * This one does it "for real" because it's called by
5037 * the autopurger function that processes the queue
5038 * created by AdjRefCount(). If a message's reference
5039 * count becomes zero, we also delete the message from
5040 * disk and de-index it.
5042 void TDAP_AdjRefCount(long msgnum, int incr)
5045 struct MetaData smi;
5048 /* This is a *tight* critical section; please keep it that way, as
5049 * it may get called while nested in other critical sections.
5050 * Complicating this any further will surely cause deadlock!
5052 begin_critical_section(S_SUPPMSGMAIN);
5053 GetMetaData(&smi, msgnum);
5054 smi.meta_refcount += incr;
5056 end_critical_section(S_SUPPMSGMAIN);
5057 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
5058 msgnum, incr, smi.meta_refcount
5061 /* If the reference count is now zero, delete the message
5062 * (and its supplementary record as well).
5064 if (smi.meta_refcount == 0) {
5065 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
5067 /* Call delete hooks with NULL room to show it has gone altogether */
5068 PerformDeleteHooks(NULL, msgnum);
5070 /* Remove from message base */
5072 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5073 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
5075 /* Remove metadata record */
5076 delnum = (0L - msgnum);
5077 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
5083 * Write a generic object to this room
5085 * Note: this could be much more efficient. Right now we use two temporary
5086 * files, and still pull the message into memory as with all others.
5088 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
5089 char *content_type, /* MIME type of this object */
5090 char *raw_message, /* Data to be written */
5091 off_t raw_length, /* Size of raw_message */
5092 struct ctdluser *is_mailbox, /* Mailbox room? */
5093 int is_binary, /* Is encoding necessary? */
5094 int is_unique, /* Del others of this type? */
5095 unsigned int flags /* Internal save flags */
5099 struct ctdlroom qrbuf;
5100 char roomname[ROOMNAMELEN];
5101 struct CtdlMessage *msg;
5102 char *encoded_message = NULL;
5104 if (is_mailbox != NULL) {
5105 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
5108 safestrncpy(roomname, req_room, sizeof(roomname));
5111 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
5114 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
5117 encoded_message = malloc((size_t)(raw_length + 4096));
5120 sprintf(encoded_message, "Content-type: %s\n", content_type);
5123 sprintf(&encoded_message[strlen(encoded_message)],
5124 "Content-transfer-encoding: base64\n\n"
5128 sprintf(&encoded_message[strlen(encoded_message)],
5129 "Content-transfer-encoding: 7bit\n\n"
5135 &encoded_message[strlen(encoded_message)],
5143 &encoded_message[strlen(encoded_message)],
5149 syslog(LOG_DEBUG, "Allocating\n");
5150 msg = malloc(sizeof(struct CtdlMessage));
5151 memset(msg, 0, sizeof(struct CtdlMessage));
5152 msg->cm_magic = CTDLMESSAGE_MAGIC;
5153 msg->cm_anon_type = MES_NORMAL;
5154 msg->cm_format_type = 4;
5155 msg->cm_fields['A'] = strdup(CC->user.fullname);
5156 msg->cm_fields['O'] = strdup(req_room);
5157 msg->cm_fields['N'] = strdup(config.c_nodename);
5158 msg->cm_fields['H'] = strdup(config.c_humannode);
5159 msg->cm_flags = flags;
5161 msg->cm_fields['M'] = encoded_message;
5163 /* Create the requested room if we have to. */
5164 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5165 CtdlCreateRoom(roomname,
5166 ( (is_mailbox != NULL) ? 5 : 3 ),
5167 "", 0, 1, 0, VIEW_BBS);
5169 /* If the caller specified this object as unique, delete all
5170 * other objects of this type that are currently in the room.
5173 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5174 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5177 /* Now write the data */
5178 CtdlSubmitMsg(msg, NULL, roomname, 0);
5179 CtdlFreeMessage(msg);
5187 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5188 config_msgnum = msgnum;
5192 char *CtdlGetSysConfig(char *sysconfname) {
5193 char hold_rm[ROOMNAMELEN];
5196 struct CtdlMessage *msg;
5199 strcpy(hold_rm, CC->room.QRname);
5200 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5201 CtdlGetRoom(&CC->room, hold_rm);
5206 /* We want the last (and probably only) config in this room */
5207 begin_critical_section(S_CONFIG);
5208 config_msgnum = (-1L);
5209 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5210 CtdlGetSysConfigBackend, NULL);
5211 msgnum = config_msgnum;
5212 end_critical_section(S_CONFIG);
5218 msg = CtdlFetchMessage(msgnum, 1);
5220 conf = strdup(msg->cm_fields['M']);
5221 CtdlFreeMessage(msg);
5228 CtdlGetRoom(&CC->room, hold_rm);
5230 if (conf != NULL) do {
5231 extract_token(buf, conf, 0, '\n', sizeof buf);
5232 strcpy(conf, &conf[strlen(buf)+1]);
5233 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5239 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5240 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5245 * Determine whether a given Internet address belongs to the current user
5247 int CtdlIsMe(char *addr, int addr_buf_len)
5249 struct recptypes *recp;
5252 recp = validate_recipients(addr, NULL, 0);
5253 if (recp == NULL) return(0);
5255 if (recp->num_local == 0) {
5256 free_recipients(recp);
5260 for (i=0; i<recp->num_local; ++i) {
5261 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5262 if (!strcasecmp(addr, CC->user.fullname)) {
5263 free_recipients(recp);
5268 free_recipients(recp);
5274 * Citadel protocol command to do the same
5276 void cmd_isme(char *argbuf) {
5279 if (CtdlAccessCheck(ac_logged_in)) return;
5280 extract_token(addr, argbuf, 0, '|', sizeof addr);
5282 if (CtdlIsMe(addr, sizeof addr)) {
5283 cprintf("%d %s\n", CIT_OK, addr);
5286 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5292 /*****************************************************************************/
5293 /* MODULE INITIALIZATION STUFF */
5294 /*****************************************************************************/
5296 CTDL_MODULE_INIT(msgbase)
5299 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5300 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5301 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5302 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5303 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5304 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5305 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5306 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5307 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5308 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5309 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5310 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5313 /* return our Subversion id for the Log */