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 */
700 * We cache the most recent msglist in order to do security checks later
702 if (CC->client_socket > 0) {
703 if (CC->cached_msglist != NULL) {
704 free(CC->cached_msglist);
707 CC->cached_msglist = msglist;
708 CC->cached_num_msgs = num_msgs;
709 syslog(LOG_DEBUG, "\033[34m RELOAD \033[0m\n");
713 >>>>>>> parent of 4ec6a9d... Updating cmd_euid() to use the CtdlForEachMessage() API fixes the security check in blog view and saves some code
714 * Now begin the traversal.
716 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
719 * cache the msgnums we've seen in order to perform security checks later
721 if (CC->client_socket > 0) {
722 seenit_store(&CC->cached_msglist, msglist[a]);
725 /* If the caller is looking for a specific MIME type, filter
726 * out all messages which are not of the type requested.
728 if ((content_type != NULL) && (!IsEmptyStr(content_type))) {
730 /* This call to GetMetaData() sits inside this loop
731 * so that we only do the extra database read per msg
732 * if we need to. Doing the extra read all the time
733 * really kills the server. If we ever need to use
734 * metadata for another search criterion, we need to
735 * move the read somewhere else -- but still be smart
736 * enough to only do the read if the caller has
737 * specified something that will need it.
739 GetMetaData(&smi, msglist[a]);
741 /* if (strcasecmp(smi.meta_content_type, content_type)) { old non-regex way */
742 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) != 0) {
748 num_msgs = sort_msglist(msglist, num_msgs);
750 /* If a template was supplied, filter out the messages which
751 * don't match. (This could induce some delays!)
754 if (compare != NULL) {
755 for (a = 0; a < num_msgs; ++a) {
756 msg = CtdlFetchMessage(msglist[a], 1);
758 if (CtdlMsgCmp(msg, compare)) {
761 CtdlFreeMessage(msg);
767 /* If a search string was specified, get a message list from
768 * the full text index and remove messages which aren't on both
772 * Since the lists are sorted and strictly ascending, and the
773 * output list is guaranteed to be shorter than or equal to the
774 * input list, we overwrite the bottom of the input list. This
775 * eliminates the need to memmove big chunks of the list over and
778 if ( (num_msgs > 0) && (mode == MSGS_SEARCH) && (search_string) ) {
780 /* Call search module via hook mechanism.
781 * NULL means use any search function available.
782 * otherwise replace with a char * to name of search routine
784 CtdlModuleDoSearch(&num_search_msgs, &search_msgs, search_string, "fulltext");
786 if (num_search_msgs > 0) {
790 orig_num_msgs = num_msgs;
792 for (i=0; i<orig_num_msgs; ++i) {
793 for (j=0; j<num_search_msgs; ++j) {
794 if (msglist[i] == search_msgs[j]) {
795 msglist[num_msgs++] = msglist[i];
801 num_msgs = 0; /* No messages qualify */
803 if (search_msgs != NULL) free(search_msgs);
805 /* Now that we've purged messages which don't contain the search
806 * string, treat a MSGS_SEARCH just like a MSGS_ALL from this
813 * Now iterate through the message list, according to the
814 * criteria supplied by the caller.
817 for (a = 0; a < num_msgs; ++a) {
818 thismsg = msglist[a];
819 if (mode == MSGS_ALL) {
823 is_seen = is_msg_in_sequence_set(
824 vbuf.v_seen, thismsg);
825 if (is_seen) lastold = thismsg;
831 || ((mode == MSGS_OLD) && (is_seen))
832 || ((mode == MSGS_NEW) && (!is_seen))
833 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
834 || ((mode == MSGS_FIRST) && (a < ref))
835 || ((mode == MSGS_GT) && (thismsg > ref))
836 || ((mode == MSGS_LT) && (thismsg < ref))
837 || ((mode == MSGS_EQ) && (thismsg == ref))
840 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
842 CallBack(lastold, userdata);
846 if (CallBack) CallBack(thismsg, userdata);
850 if (need_to_free_re) regfree(&re);
852 return num_processed;
858 * cmd_msgs() - get list of message #'s in this room
859 * implements the MSGS server command using CtdlForEachMessage()
861 void cmd_msgs(char *cmdbuf)
870 int with_template = 0;
871 struct CtdlMessage *template = NULL;
872 char search_string[1024];
873 ForEachMsgCallback CallBack;
875 if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
877 extract_token(which, cmdbuf, 0, '|', sizeof which);
878 cm_ref = extract_int(cmdbuf, 1);
879 extract_token(search_string, cmdbuf, 1, '|', sizeof search_string);
880 with_template = extract_int(cmdbuf, 2);
881 switch (extract_int(cmdbuf, 3))
885 CallBack = simple_listing;
888 CallBack = headers_listing;
891 CallBack = headers_euid;
896 if (!strncasecmp(which, "OLD", 3))
898 else if (!strncasecmp(which, "NEW", 3))
900 else if (!strncasecmp(which, "FIRST", 5))
902 else if (!strncasecmp(which, "LAST", 4))
904 else if (!strncasecmp(which, "GT", 2))
906 else if (!strncasecmp(which, "LT", 2))
908 else if (!strncasecmp(which, "SEARCH", 6))
913 if ( (mode == MSGS_SEARCH) && (!config.c_enable_fulltext) ) {
914 cprintf("%d Full text index is not enabled on this server.\n",
915 ERROR + CMD_NOT_SUPPORTED);
921 cprintf("%d Send template then receive message list\n",
923 template = (struct CtdlMessage *)
924 malloc(sizeof(struct CtdlMessage));
925 memset(template, 0, sizeof(struct CtdlMessage));
926 template->cm_magic = CTDLMESSAGE_MAGIC;
927 template->cm_anon_type = MES_NORMAL;
929 while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
930 extract_token(tfield, buf, 0, '|', sizeof tfield);
931 extract_token(tvalue, buf, 1, '|', sizeof tvalue);
932 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
933 if (!strcasecmp(tfield, msgkeys[i])) {
934 template->cm_fields[i] =
942 cprintf("%d \n", LISTING_FOLLOWS);
945 CtdlForEachMessage(mode,
946 ( (mode == MSGS_SEARCH) ? 0 : cm_ref ),
947 ( (mode == MSGS_SEARCH) ? search_string : NULL ),
952 if (template != NULL) CtdlFreeMessage(template);
960 * help_subst() - support routine for help file viewer
962 void help_subst(char *strbuf, char *source, char *dest)
967 while (p = pattern2(strbuf, source), (p >= 0)) {
968 strcpy(workbuf, &strbuf[p + strlen(source)]);
969 strcpy(&strbuf[p], dest);
970 strcat(strbuf, workbuf);
975 void do_help_subst(char *buffer)
979 help_subst(buffer, "^nodename", config.c_nodename);
980 help_subst(buffer, "^humannode", config.c_humannode);
981 help_subst(buffer, "^fqdn", config.c_fqdn);
982 help_subst(buffer, "^username", CC->user.fullname);
983 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
984 help_subst(buffer, "^usernum", buf2);
985 help_subst(buffer, "^sysadm", config.c_sysadm);
986 help_subst(buffer, "^variantname", CITADEL);
987 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
988 help_subst(buffer, "^maxsessions", buf2);
989 help_subst(buffer, "^bbsdir", ctdl_message_dir);
995 * memfmout() - Citadel text formatter and paginator.
996 * Although the original purpose of this routine was to format
997 * text to the reader's screen width, all we're really using it
998 * for here is to format text out to 80 columns before sending it
999 * to the client. The client software may reformat it again.
1002 char *mptr, /* where are we going to get our text from? */
1003 const char *nl /* string to terminate lines with */
1006 unsigned char ch = 0;
1013 while (ch=*(mptr++), ch != 0) {
1016 client_write(outbuf, len);
1018 client_write(nl, nllen);
1021 else if (ch == '\r') {
1022 /* Ignore carriage returns. Newlines are always LF or CRLF but never CR. */
1024 else if (isspace(ch)) {
1025 if (column > 72) { /* Beyond 72 columns, break on the next space */
1026 client_write(outbuf, len);
1028 client_write(nl, nllen);
1039 if (column > 1000) { /* Beyond 1000 columns, break anywhere */
1040 client_write(outbuf, len);
1042 client_write(nl, nllen);
1048 client_write(outbuf, len);
1050 client_write(nl, nllen);
1058 * Callback function for mime parser that simply lists the part
1060 void list_this_part(char *name, char *filename, char *partnum, char *disp,
1061 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1062 char *cbid, void *cbuserdata)
1066 ma = (struct ma_info *)cbuserdata;
1067 if (ma->is_ma == 0) {
1068 cprintf("part=%s|%s|%s|%s|%s|%ld|%s|%s\n",
1081 * Callback function for multipart prefix
1083 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
1084 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1085 char *cbid, void *cbuserdata)
1089 ma = (struct ma_info *)cbuserdata;
1090 if (!strcasecmp(cbtype, "multipart/alternative")) {
1094 if (ma->is_ma == 0) {
1095 cprintf("pref=%s|%s\n", partnum, cbtype);
1100 * Callback function for multipart sufffix
1102 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
1103 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1104 char *cbid, void *cbuserdata)
1108 ma = (struct ma_info *)cbuserdata;
1109 if (ma->is_ma == 0) {
1110 cprintf("suff=%s|%s\n", partnum, cbtype);
1112 if (!strcasecmp(cbtype, "multipart/alternative")) {
1119 * Callback function for mime parser that opens a section for downloading
1121 void mime_download(char *name, char *filename, char *partnum, char *disp,
1122 void *content, char *cbtype, char *cbcharset, size_t length,
1123 char *encoding, char *cbid, void *cbuserdata)
1127 /* Silently go away if there's already a download open. */
1128 if (CC->download_fp != NULL)
1132 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1133 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1135 CC->download_fp = tmpfile();
1136 if (CC->download_fp == NULL)
1139 rv = fwrite(content, length, 1, CC->download_fp);
1140 fflush(CC->download_fp);
1141 rewind(CC->download_fp);
1143 OpenCmdResult(filename, cbtype);
1150 * Callback function for mime parser that outputs a section all at once.
1151 * We can specify the desired section by part number *or* content-id.
1153 void mime_spew_section(char *name, char *filename, char *partnum, char *disp,
1154 void *content, char *cbtype, char *cbcharset, size_t length,
1155 char *encoding, char *cbid, void *cbuserdata)
1157 int *found_it = (int *)cbuserdata;
1160 (!IsEmptyStr(partnum) && (!strcasecmp(CC->download_desired_section, partnum)))
1161 || (!IsEmptyStr(cbid) && (!strcasecmp(CC->download_desired_section, cbid)))
1164 cprintf("%d %d|-1|%s|%s|%s\n",
1171 client_write(content, length);
1177 * Load a message from disk into memory.
1178 * This is used by CtdlOutputMsg() and other fetch functions.
1180 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
1181 * using the CtdlMessageFree() function.
1183 struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
1185 struct cdbdata *dmsgtext;
1186 struct CtdlMessage *ret = NULL;
1190 cit_uint8_t field_header;
1192 syslog(LOG_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
1193 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
1194 if (dmsgtext == NULL) {
1197 mptr = dmsgtext->ptr;
1198 upper_bound = mptr + dmsgtext->len;
1200 /* Parse the three bytes that begin EVERY message on disk.
1201 * The first is always 0xFF, the on-disk magic number.
1202 * The second is the anonymous/public type byte.
1203 * The third is the format type byte (vari, fixed, or MIME).
1207 syslog(LOG_ERR, "Message %ld appears to be corrupted.\n", msgnum);
1211 ret = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1212 memset(ret, 0, sizeof(struct CtdlMessage));
1214 ret->cm_magic = CTDLMESSAGE_MAGIC;
1215 ret->cm_anon_type = *mptr++; /* Anon type byte */
1216 ret->cm_format_type = *mptr++; /* Format type byte */
1219 * The rest is zero or more arbitrary fields. Load them in.
1220 * We're done when we encounter either a zero-length field or
1221 * have just processed the 'M' (message text) field.
1224 if (mptr >= upper_bound) {
1227 field_header = *mptr++;
1228 ret->cm_fields[field_header] = strdup(mptr);
1230 while (*mptr++ != 0); /* advance to next field */
1232 } while ((mptr < upper_bound) && (field_header != 'M'));
1236 /* Always make sure there's something in the msg text field. If
1237 * it's NULL, the message text is most likely stored separately,
1238 * so go ahead and fetch that. Failing that, just set a dummy
1239 * body so other code doesn't barf.
1241 if ( (ret->cm_fields['M'] == NULL) && (with_body) ) {
1242 dmsgtext = cdb_fetch(CDB_BIGMSGS, &msgnum, sizeof(long));
1243 if (dmsgtext != NULL) {
1244 ret->cm_fields['M'] = dmsgtext->ptr;
1245 dmsgtext->ptr = NULL;
1249 if (ret->cm_fields['M'] == NULL) {
1250 ret->cm_fields['M'] = strdup("\r\n\r\n (no text)\r\n");
1253 /* Perform "before read" hooks (aborting if any return nonzero) */
1254 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
1255 CtdlFreeMessage(ret);
1264 * Returns 1 if the supplied pointer points to a valid Citadel message.
1265 * If the pointer is NULL or the magic number check fails, returns 0.
1267 int is_valid_message(struct CtdlMessage *msg) {
1270 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
1271 syslog(LOG_WARNING, "is_valid_message() -- self-check failed\n");
1279 * 'Destructor' for struct CtdlMessage
1281 void CtdlFreeMessage(struct CtdlMessage *msg)
1285 if (is_valid_message(msg) == 0)
1287 if (msg != NULL) free (msg);
1291 for (i = 0; i < 256; ++i)
1292 if (msg->cm_fields[i] != NULL) {
1293 free(msg->cm_fields[i]);
1296 msg->cm_magic = 0; /* just in case */
1302 * Pre callback function for multipart/alternative
1304 * NOTE: this differs from the standard behavior for a reason. Normally when
1305 * displaying multipart/alternative you want to show the _last_ usable
1306 * format in the message. Here we show the _first_ one, because it's
1307 * usually text/plain. Since this set of functions is designed for text
1308 * output to non-MIME-aware clients, this is the desired behavior.
1311 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
1312 void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
1313 char *cbid, void *cbuserdata)
1317 ma = (struct ma_info *)cbuserdata;
1318 syslog(LOG_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
1319 if (!strcasecmp(cbtype, "multipart/alternative")) {
1323 if (!strcasecmp(cbtype, "message/rfc822")) {
1329 * Post callback function for multipart/alternative
1331 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
1332 void *content, char *cbtype, char *cbcharset, size_t length,
1333 char *encoding, char *cbid, void *cbuserdata)
1337 ma = (struct ma_info *)cbuserdata;
1338 syslog(LOG_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
1339 if (!strcasecmp(cbtype, "multipart/alternative")) {
1343 if (!strcasecmp(cbtype, "message/rfc822")) {
1349 * Inline callback function for mime parser that wants to display text
1351 void fixed_output(char *name, char *filename, char *partnum, char *disp,
1352 void *content, char *cbtype, char *cbcharset, size_t length,
1353 char *encoding, char *cbid, void *cbuserdata)
1360 ma = (struct ma_info *)cbuserdata;
1363 "fixed_output() part %s: %s (%s) (%ld bytes)\n",
1364 partnum, filename, cbtype, (long)length);
1367 * If we're in the middle of a multipart/alternative scope and
1368 * we've already printed another section, skip this one.
1370 if ( (ma->is_ma) && (ma->did_print) ) {
1371 syslog(LOG_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
1376 if ( (!strcasecmp(cbtype, "text/plain"))
1377 || (IsEmptyStr(cbtype)) ) {
1380 client_write(wptr, length);
1381 if (wptr[length-1] != '\n') {
1388 if (!strcasecmp(cbtype, "text/html")) {
1389 ptr = html_to_ascii(content, length, 80, 0);
1391 client_write(ptr, wlen);
1392 if (ptr[wlen-1] != '\n') {
1399 if (ma->use_fo_hooks) {
1400 if (PerformFixedOutputHooks(cbtype, content, length)) {
1401 /* above function returns nonzero if it handled the part */
1406 if (strncasecmp(cbtype, "multipart/", 10)) {
1407 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
1408 partnum, filename, cbtype, (long)length);
1414 * The client is elegant and sophisticated and wants to be choosy about
1415 * MIME content types, so figure out which multipart/alternative part
1416 * we're going to send.
1418 * We use a system of weights. When we find a part that matches one of the
1419 * MIME types we've declared as preferential, we can store it in ma->chosen_part
1420 * and then set ma->chosen_pref to that MIME type's position in our preference
1421 * list. If we then hit another match, we only replace the first match if
1422 * the preference value is lower.
1424 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
1425 void *content, char *cbtype, char *cbcharset, size_t length,
1426 char *encoding, char *cbid, void *cbuserdata)
1432 ma = (struct ma_info *)cbuserdata;
1434 // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
1435 // http://bugzilla.citadel.org/show_bug.cgi?id=220
1436 // I don't know if there are any side effects! Please TEST TEST TEST
1437 //if (ma->is_ma > 0) {
1439 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1440 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1441 if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
1442 if (i < ma->chosen_pref) {
1443 syslog(LOG_DEBUG, "Setting chosen part: <%s>\n", partnum);
1444 safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
1445 ma->chosen_pref = i;
1452 * Now that we've chosen our preferred part, output it.
1454 void output_preferred(char *name,
1468 int add_newline = 0;
1471 char *decoded = NULL;
1472 size_t bytes_decoded;
1475 ma = (struct ma_info *)cbuserdata;
1477 /* This is not the MIME part you're looking for... */
1478 if (strcasecmp(partnum, ma->chosen_part)) return;
1480 /* If the content-type of this part is in our preferred formats
1481 * list, we can simply output it verbatim.
1483 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1484 extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
1485 if (!strcasecmp(buf, cbtype)) {
1486 /* Yeah! Go! W00t!! */
1487 if (ma->dont_decode == 0)
1488 rc = mime_decode_now (content,
1494 break; /* Give us the chance, maybe theres another one. */
1496 if (rc == 0) text_content = (char *)content;
1498 text_content = decoded;
1499 length = bytes_decoded;
1502 if (text_content[length-1] != '\n') {
1505 cprintf("Content-type: %s", cbtype);
1506 if (!IsEmptyStr(cbcharset)) {
1507 cprintf("; charset=%s", cbcharset);
1509 cprintf("\nContent-length: %d\n",
1510 (int)(length + add_newline) );
1511 if (!IsEmptyStr(encoding)) {
1512 cprintf("Content-transfer-encoding: %s\n", encoding);
1515 cprintf("Content-transfer-encoding: 7bit\n");
1517 cprintf("X-Citadel-MSG4-Partnum: %s\n", partnum);
1519 client_write(text_content, length);
1520 if (add_newline) cprintf("\n");
1521 if (decoded != NULL) free(decoded);
1526 /* No translations required or possible: output as text/plain */
1527 cprintf("Content-type: text/plain\n\n");
1529 if (ma->dont_decode == 0)
1530 rc = mime_decode_now (content,
1536 return; /* Give us the chance, maybe theres another one. */
1538 if (rc == 0) text_content = (char *)content;
1540 text_content = decoded;
1541 length = bytes_decoded;
1544 fixed_output(name, filename, partnum, disp, text_content, cbtype, cbcharset,
1545 length, encoding, cbid, cbuserdata);
1546 if (decoded != NULL) free(decoded);
1551 char desired_section[64];
1558 * Callback function for
1560 void extract_encapsulated_message(char *name, char *filename, char *partnum, char *disp,
1561 void *content, char *cbtype, char *cbcharset, size_t length,
1562 char *encoding, char *cbid, void *cbuserdata)
1564 struct encapmsg *encap;
1566 encap = (struct encapmsg *)cbuserdata;
1568 /* Only proceed if this is the desired section... */
1569 if (!strcasecmp(encap->desired_section, partnum)) {
1570 encap->msglen = length;
1571 encap->msg = malloc(length + 2);
1572 memcpy(encap->msg, content, length);
1579 * Determine whether the specified message exists in the cached_msglist
1580 * (This is a security check)
1582 int check_cached_msglist(long msgnum) {
1584 /* cases in which we skip the check */
1585 if (!CC) return om_ok; /* not a session */
1586 if (CC->client_socket <= 0) return om_ok; /* not a client session */
1587 if (CC->cached_msglist == NULL) return om_access_denied; /* no msglist fetched */
1590 if (seenit_isthere(CC->cached_msglist, msgnum)) {
1593 /* Do a binary search within the cached_msglist for the requested msgnum */
1595 int max = (CC->cached_num_msgs - 1);
1597 while (max >= min) {
1598 syslog(LOG_DEBUG, "\033[35m Checking from %d to %d \033[0m\n", min, max);
1599 int middle = min + (max-min) / 2 ;
1600 if (msgnum == CC->cached_msglist[middle]) {
1603 if (msgnum > CC->cached_msglist[middle]) {
1609 >>>>>>> parent of 4ec6a9d... Updating cmd_euid() to use the CtdlForEachMessage() API fixes the security check in blog view and saves some code
1612 return om_access_denied;
1617 * Determine whether the currently logged in session has permission to read
1618 * messages in the current room.
1620 int CtdlDoIHavePermissionToReadMessagesInThisRoom(void) {
1621 if ( (!(CC->logged_in))
1622 && (!(CC->internal_pgm))
1623 && (!config.c_guest_logins)
1625 return(om_not_logged_in);
1632 * Get a message off disk. (returns om_* values found in msgbase.h)
1635 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1636 int mode, /* how would you like that message? */
1637 int headers_only, /* eschew the message body? */
1638 int do_proto, /* do Citadel protocol responses? */
1639 int crlf, /* Use CRLF newlines instead of LF? */
1640 char *section, /* NULL or a message/rfc822 section */
1641 int flags /* various flags; see msgbase.h */
1643 struct CtdlMessage *TheMessage = NULL;
1644 int retcode = om_no_such_msg;
1645 struct encapmsg encap;
1648 syslog(LOG_DEBUG, "CtdlOutputMsg(msgnum=%ld, mode=%d, section=%s)\n",
1650 (section ? section : "<>")
1653 r = CtdlDoIHavePermissionToReadMessagesInThisRoom();
1656 if (r == om_not_logged_in) {
1657 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1660 cprintf("%d An unknown error has occurred.\n", ERROR);
1666 r = check_cached_msglist(msg_num);
1670 syslog(LOG_DEBUG, "Denying access to message %ld - not yet listed\n", msg_num);
1672 if (r == om_access_denied) {
1673 cprintf("%d Message %ld was not found in this room.\n",
1674 ERROR + MESSAGE_NOT_FOUND,
1679 cprintf("%d An unknown error has occurred.\n", ERROR);
1685 >>>>>>> parent of 4ec6a9d... Updating cmd_euid() to use the CtdlForEachMessage() API fixes the security check in blog view and saves some code
1687 syslog(LOG_DEBUG, "\033[32m PASS \033[0m\n");
1690 syslog(LOG_DEBUG, "\033[31m FAIL \033[0m\n");
1692 >>>>>>> parent of 4ec6a9d... Updating cmd_euid() to use the CtdlForEachMessage() API fixes the security check in blog view and saves some code
1694 >>>>>>> parent of 4ec6a9d... Updating cmd_euid() to use the CtdlForEachMessage() API fixes the security check in blog view and saves some code
1696 /* FIXME after testing, this is where we deny access */
1699 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1700 * request that we don't even bother loading the body into memory.
1702 if (headers_only == HEADERS_FAST) {
1703 TheMessage = CtdlFetchMessage(msg_num, 0);
1706 TheMessage = CtdlFetchMessage(msg_num, 1);
1709 if (TheMessage == NULL) {
1710 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1711 ERROR + MESSAGE_NOT_FOUND, msg_num);
1712 return(om_no_such_msg);
1715 /* Here is the weird form of this command, to process only an
1716 * encapsulated message/rfc822 section.
1718 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1719 memset(&encap, 0, sizeof encap);
1720 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1721 mime_parser(TheMessage->cm_fields['M'],
1723 *extract_encapsulated_message,
1724 NULL, NULL, (void *)&encap, 0
1726 CtdlFreeMessage(TheMessage);
1730 encap.msg[encap.msglen] = 0;
1731 TheMessage = convert_internet_message(encap.msg);
1732 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1734 /* Now we let it fall through to the bottom of this
1735 * function, because TheMessage now contains the
1736 * encapsulated message instead of the top-level
1737 * message. Isn't that neat?
1742 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1743 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1744 retcode = om_no_such_msg;
1749 /* Ok, output the message now */
1750 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1751 CtdlFreeMessage(TheMessage);
1757 char *qp_encode_email_addrs(char *source)
1759 char *user, *node, *name;
1760 const char headerStr[] = "=?UTF-8?Q?";
1764 int need_to_encode = 0;
1770 long nAddrPtrMax = 50;
1775 if (source == NULL) return source;
1776 if (IsEmptyStr(source)) return source;
1778 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1780 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1781 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1782 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1785 while (!IsEmptyStr (&source[i])) {
1786 if (nColons >= nAddrPtrMax){
1789 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1790 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1791 free (AddrPtr), AddrPtr = ptr;
1793 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1794 memset(&ptr[nAddrPtrMax], 0,
1795 sizeof (long) * nAddrPtrMax);
1797 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1798 free (AddrUtf8), AddrUtf8 = ptr;
1801 if (((unsigned char) source[i] < 32) ||
1802 ((unsigned char) source[i] > 126)) {
1804 AddrUtf8[nColons] = 1;
1806 if (source[i] == '"')
1807 InQuotes = !InQuotes;
1808 if (!InQuotes && source[i] == ',') {
1809 AddrPtr[nColons] = i;
1814 if (need_to_encode == 0) {
1821 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1822 Encoded = (char*) malloc (EncodedMaxLen);
1824 for (i = 0; i < nColons; i++)
1825 source[AddrPtr[i]++] = '\0';
1826 /* TODO: if libidn, this might get larger*/
1827 user = malloc(SourceLen + 1);
1828 node = malloc(SourceLen + 1);
1829 name = malloc(SourceLen + 1);
1833 for (i = 0; i < nColons && nPtr != NULL; i++) {
1834 nmax = EncodedMaxLen - (nPtr - Encoded);
1836 process_rfc822_addr(&source[AddrPtr[i]],
1840 /* TODO: libIDN here ! */
1841 if (IsEmptyStr(name)) {
1842 n = snprintf(nPtr, nmax,
1843 (i==0)?"%s@%s" : ",%s@%s",
1847 EncodedName = rfc2047encode(name, strlen(name));
1848 n = snprintf(nPtr, nmax,
1849 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1850 EncodedName, user, node);
1855 n = snprintf(nPtr, nmax,
1856 (i==0)?"%s" : ",%s",
1857 &source[AddrPtr[i]]);
1863 ptr = (char*) malloc(EncodedMaxLen * 2);
1864 memcpy(ptr, Encoded, EncodedMaxLen);
1865 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1866 free(Encoded), Encoded = ptr;
1868 i--; /* do it once more with properly lengthened buffer */
1871 for (i = 0; i < nColons; i++)
1872 source[--AddrPtr[i]] = ',';
1883 /* If the last item in a list of recipients was truncated to a partial address,
1884 * remove it completely in order to avoid choking libSieve
1886 void sanitize_truncated_recipient(char *str)
1889 if (num_tokens(str, ',') < 2) return;
1891 int len = strlen(str);
1892 if (len < 900) return;
1893 if (len > 998) str[998] = 0;
1895 char *cptr = strrchr(str, ',');
1898 char *lptr = strchr(cptr, '<');
1899 char *rptr = strchr(cptr, '>');
1901 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1907 void OutputCtdlMsgHeaders(
1908 struct CtdlMessage *TheMessage,
1909 int do_proto) /* do Citadel protocol responses? */
1915 char display_name[256];
1917 /* begin header processing loop for Citadel message format */
1918 safestrncpy(display_name, "<unknown>", sizeof display_name);
1919 if (TheMessage->cm_fields['A']) {
1920 strcpy(buf, TheMessage->cm_fields['A']);
1921 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1922 safestrncpy(display_name, "****", sizeof display_name);
1924 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1925 safestrncpy(display_name, "anonymous", sizeof display_name);
1928 safestrncpy(display_name, buf, sizeof display_name);
1930 if ((is_room_aide())
1931 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1932 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1933 size_t tmp = strlen(display_name);
1934 snprintf(&display_name[tmp],
1935 sizeof display_name - tmp,
1940 /* Don't show Internet address for users on the
1941 * local Citadel network.
1944 if (TheMessage->cm_fields['N'] != NULL)
1945 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1946 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1950 /* Now spew the header fields in the order we like them. */
1951 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1952 for (i=0; i<n; ++i) {
1953 k = (int) allkeys[i];
1955 if ( (TheMessage->cm_fields[k] != NULL)
1956 && (msgkeys[k] != NULL) ) {
1957 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1958 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1961 if (do_proto) cprintf("%s=%s\n",
1965 else if ((k == 'F') && (suppress_f)) {
1968 /* Masquerade display name if needed */
1970 if (do_proto) cprintf("%s=%s\n",
1972 TheMessage->cm_fields[k]
1981 void OutputRFC822MsgHeaders(
1982 struct CtdlMessage *TheMessage,
1983 int flags, /* should the bessage be exported clean */
1985 char *mid, long sizeof_mid,
1986 char *suser, long sizeof_suser,
1987 char *luser, long sizeof_luser,
1988 char *fuser, long sizeof_fuser,
1989 char *snode, long sizeof_snode)
1991 char datestamp[100];
1992 int subject_found = 0;
1998 for (i = 0; i < 256; ++i) {
1999 if (TheMessage->cm_fields[i]) {
2000 mptr = mpptr = TheMessage->cm_fields[i];
2003 safestrncpy(luser, mptr, sizeof_luser);
2004 safestrncpy(suser, mptr, sizeof_suser);
2006 else if (i == 'Y') {
2007 if ((flags & QP_EADDR) != 0) {
2008 mptr = qp_encode_email_addrs(mptr);
2010 sanitize_truncated_recipient(mptr);
2011 cprintf("CC: %s%s", mptr, nl);
2013 else if (i == 'P') {
2014 cprintf("Return-Path: %s%s", mptr, nl);
2016 else if (i == 'L') {
2017 cprintf("List-ID: %s%s", mptr, nl);
2019 else if (i == 'V') {
2020 if ((flags & QP_EADDR) != 0)
2021 mptr = qp_encode_email_addrs(mptr);
2022 cprintf("Envelope-To: %s%s", mptr, nl);
2024 else if (i == 'U') {
2025 cprintf("Subject: %s%s", mptr, nl);
2029 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2031 safestrncpy(fuser, mptr, sizeof_fuser);
2032 /* else if (i == 'O')
2033 cprintf("X-Citadel-Room: %s%s",
2036 safestrncpy(snode, mptr, sizeof_snode);
2039 if (haschar(mptr, '@') == 0)
2041 sanitize_truncated_recipient(mptr);
2042 cprintf("To: %s@%s", mptr, config.c_fqdn);
2047 if ((flags & QP_EADDR) != 0) {
2048 mptr = qp_encode_email_addrs(mptr);
2050 sanitize_truncated_recipient(mptr);
2051 cprintf("To: %s", mptr);
2055 else if (i == 'T') {
2056 datestring(datestamp, sizeof datestamp,
2057 atol(mptr), DATESTRING_RFC822);
2058 cprintf("Date: %s%s", datestamp, nl);
2060 else if (i == 'W') {
2061 cprintf("References: ");
2062 k = num_tokens(mptr, '|');
2063 for (j=0; j<k; ++j) {
2064 extract_token(buf, mptr, j, '|', sizeof buf);
2065 cprintf("<%s>", buf);
2074 else if (i == 'K') {
2075 cprintf("Reply-To: <%s>%s", mptr, nl);
2081 if (subject_found == 0) {
2082 cprintf("Subject: (no subject)%s", nl);
2087 void Dump_RFC822HeadersBody(
2088 struct CtdlMessage *TheMessage,
2089 int headers_only, /* eschew the message body? */
2090 int flags, /* should the bessage be exported clean? */
2094 cit_uint8_t prev_ch;
2096 const char *StartOfText = StrBufNOTNULL;
2099 int nllen = strlen(nl);
2102 mptr = TheMessage->cm_fields['M'];
2106 while (*mptr != '\0') {
2107 if (*mptr == '\r') {
2114 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2116 eoh = *(mptr+1) == '\n';
2120 StartOfText = strchr(StartOfText, '\n');
2121 StartOfText = strchr(StartOfText, '\n');
2124 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2125 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2126 ((headers_only != HEADERS_NONE) &&
2127 (headers_only != HEADERS_ONLY))
2129 if (*mptr == '\n') {
2130 memcpy(&outbuf[outlen], nl, nllen);
2132 outbuf[outlen] = '\0';
2135 outbuf[outlen++] = *mptr;
2139 if (flags & ESC_DOT)
2141 if ((prev_ch == '\n') &&
2143 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2145 outbuf[outlen++] = '.';
2150 if (outlen > 1000) {
2151 client_write(outbuf, outlen);
2156 client_write(outbuf, outlen);
2163 /* If the format type on disk is 1 (fixed-format), then we want
2164 * everything to be output completely literally ... regardless of
2165 * what message transfer format is in use.
2167 void DumpFormatFixed(
2168 struct CtdlMessage *TheMessage,
2169 int mode, /* how would you like that message? */
2176 int nllen = strlen (nl);
2179 mptr = TheMessage->cm_fields['M'];
2181 if (mode == MT_MIME) {
2182 cprintf("Content-type: text/plain\n\n");
2186 while (ch = *mptr++, ch > 0) {
2190 if ((buflen > 250) && (!xlline)){
2194 while ((buflen > 0) &&
2195 (!isspace(buf[buflen])))
2201 mptr -= tbuflen - buflen;
2206 /* if we reach the outer bounds of our buffer,
2207 abort without respect what whe purge. */
2210 (buflen > SIZ - nllen - 2)))
2214 memcpy (&buf[buflen], nl, nllen);
2218 client_write(buf, buflen);
2228 if (!IsEmptyStr(buf))
2229 cprintf("%s%s", buf, nl);
2233 * Get a message off disk. (returns om_* values found in msgbase.h)
2235 int CtdlOutputPreLoadedMsg(
2236 struct CtdlMessage *TheMessage,
2237 int mode, /* how would you like that message? */
2238 int headers_only, /* eschew the message body? */
2239 int do_proto, /* do Citadel protocol responses? */
2240 int crlf, /* Use CRLF newlines instead of LF? */
2241 int flags /* should the bessage be exported clean? */
2245 const char *nl; /* newline string */
2248 /* Buffers needed for RFC822 translation. These are all filled
2249 * using functions that are bounds-checked, and therefore we can
2250 * make them substantially smaller than SIZ.
2258 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2259 ((TheMessage == NULL) ? "NULL" : "not null"),
2260 mode, headers_only, do_proto, crlf);
2262 strcpy(mid, "unknown");
2263 nl = (crlf ? "\r\n" : "\n");
2265 if (!is_valid_message(TheMessage)) {
2267 "ERROR: invalid preloaded message for output\n");
2269 return(om_no_such_msg);
2272 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2273 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2275 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2276 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2279 /* Are we downloading a MIME component? */
2280 if (mode == MT_DOWNLOAD) {
2281 if (TheMessage->cm_format_type != FMT_RFC822) {
2283 cprintf("%d This is not a MIME message.\n",
2284 ERROR + ILLEGAL_VALUE);
2285 } else if (CC->download_fp != NULL) {
2286 if (do_proto) cprintf(
2287 "%d You already have a download open.\n",
2288 ERROR + RESOURCE_BUSY);
2290 /* Parse the message text component */
2291 mptr = TheMessage->cm_fields['M'];
2292 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2293 /* If there's no file open by this time, the requested
2294 * section wasn't found, so print an error
2296 if (CC->download_fp == NULL) {
2297 if (do_proto) cprintf(
2298 "%d Section %s not found.\n",
2299 ERROR + FILE_NOT_FOUND,
2300 CC->download_desired_section);
2303 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2306 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2307 * in a single server operation instead of opening a download file.
2309 if (mode == MT_SPEW_SECTION) {
2310 if (TheMessage->cm_format_type != FMT_RFC822) {
2312 cprintf("%d This is not a MIME message.\n",
2313 ERROR + ILLEGAL_VALUE);
2315 /* Parse the message text component */
2318 mptr = TheMessage->cm_fields['M'];
2319 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2320 /* If section wasn't found, print an error
2323 if (do_proto) cprintf(
2324 "%d Section %s not found.\n",
2325 ERROR + FILE_NOT_FOUND,
2326 CC->download_desired_section);
2329 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2332 /* now for the user-mode message reading loops */
2333 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2335 /* Does the caller want to skip the headers? */
2336 if (headers_only == HEADERS_NONE) goto START_TEXT;
2338 /* Tell the client which format type we're using. */
2339 if ( (mode == MT_CITADEL) && (do_proto) ) {
2340 cprintf("type=%d\n", TheMessage->cm_format_type);
2343 /* nhdr=yes means that we're only displaying headers, no body */
2344 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2345 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2348 cprintf("nhdr=yes\n");
2351 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2352 OutputCtdlMsgHeaders(TheMessage, do_proto);
2355 /* begin header processing loop for RFC822 transfer format */
2359 strcpy(snode, NODENAME);
2360 if (mode == MT_RFC822)
2361 OutputRFC822MsgHeaders(
2366 suser, sizeof(suser),
2367 luser, sizeof(luser),
2368 fuser, sizeof(fuser),
2369 snode, sizeof(snode)
2373 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2374 suser[i] = tolower(suser[i]);
2375 if (!isalnum(suser[i])) suser[i]='_';
2378 if (mode == MT_RFC822) {
2379 if (!strcasecmp(snode, NODENAME)) {
2380 safestrncpy(snode, FQDN, sizeof snode);
2383 /* Construct a fun message id */
2384 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2385 if (strchr(mid, '@')==NULL) {
2386 cprintf("@%s", snode);
2390 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2391 cprintf("From: \"----\" <x@x.org>%s", nl);
2393 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2394 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2396 else if (!IsEmptyStr(fuser)) {
2397 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2400 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2403 /* Blank line signifying RFC822 end-of-headers */
2404 if (TheMessage->cm_format_type != FMT_RFC822) {
2409 /* end header processing loop ... at this point, we're in the text */
2411 if (headers_only == HEADERS_FAST) goto DONE;
2413 /* Tell the client about the MIME parts in this message */
2414 if (TheMessage->cm_format_type == FMT_RFC822) {
2415 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2416 mptr = TheMessage->cm_fields['M'];
2417 memset(&ma, 0, sizeof(struct ma_info));
2418 mime_parser(mptr, NULL,
2419 (do_proto ? *list_this_part : NULL),
2420 (do_proto ? *list_this_pref : NULL),
2421 (do_proto ? *list_this_suff : NULL),
2424 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2425 Dump_RFC822HeadersBody(
2434 if (headers_only == HEADERS_ONLY) {
2438 /* signify start of msg text */
2439 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2440 if (do_proto) cprintf("text\n");
2443 if (TheMessage->cm_format_type == FMT_FIXED)
2446 mode, /* how would you like that message? */
2449 /* If the message on disk is format 0 (Citadel vari-format), we
2450 * output using the formatter at 80 columns. This is the final output
2451 * form if the transfer format is RFC822, but if the transfer format
2452 * is Citadel proprietary, it'll still work, because the indentation
2453 * for new paragraphs is correct and the client will reformat the
2454 * message to the reader's screen width.
2456 if (TheMessage->cm_format_type == FMT_CITADEL) {
2457 mptr = TheMessage->cm_fields['M'];
2459 if (mode == MT_MIME) {
2460 cprintf("Content-type: text/x-citadel-variformat\n\n");
2465 /* If the message on disk is format 4 (MIME), we've gotta hand it
2466 * off to the MIME parser. The client has already been told that
2467 * this message is format 1 (fixed format), so the callback function
2468 * we use will display those parts as-is.
2470 if (TheMessage->cm_format_type == FMT_RFC822) {
2471 memset(&ma, 0, sizeof(struct ma_info));
2473 if (mode == MT_MIME) {
2474 ma.use_fo_hooks = 0;
2475 strcpy(ma.chosen_part, "1");
2476 ma.chosen_pref = 9999;
2477 ma.dont_decode = CC->msg4_dont_decode;
2478 mime_parser(mptr, NULL,
2479 *choose_preferred, *fixed_output_pre,
2480 *fixed_output_post, (void *)&ma, 1);
2481 mime_parser(mptr, NULL,
2482 *output_preferred, NULL, NULL, (void *)&ma, 1);
2485 ma.use_fo_hooks = 1;
2486 mime_parser(mptr, NULL,
2487 *fixed_output, *fixed_output_pre,
2488 *fixed_output_post, (void *)&ma, 0);
2493 DONE: /* now we're done */
2494 if (do_proto) cprintf("000\n");
2500 * display a message (mode 0 - Citadel proprietary)
2502 void cmd_msg0(char *cmdbuf)
2505 int headers_only = HEADERS_ALL;
2507 msgid = extract_long(cmdbuf, 0);
2508 headers_only = extract_int(cmdbuf, 1);
2510 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2516 * display a message (mode 2 - RFC822)
2518 void cmd_msg2(char *cmdbuf)
2521 int headers_only = HEADERS_ALL;
2523 msgid = extract_long(cmdbuf, 0);
2524 headers_only = extract_int(cmdbuf, 1);
2526 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2532 * display a message (mode 3 - IGnet raw format - internal programs only)
2534 void cmd_msg3(char *cmdbuf)
2537 struct CtdlMessage *msg = NULL;
2540 if (CC->internal_pgm == 0) {
2541 cprintf("%d This command is for internal programs only.\n",
2542 ERROR + HIGHER_ACCESS_REQUIRED);
2546 msgnum = extract_long(cmdbuf, 0);
2547 msg = CtdlFetchMessage(msgnum, 1);
2549 cprintf("%d Message %ld not found.\n",
2550 ERROR + MESSAGE_NOT_FOUND, msgnum);
2554 serialize_message(&smr, msg);
2555 CtdlFreeMessage(msg);
2558 cprintf("%d Unable to serialize message\n",
2559 ERROR + INTERNAL_ERROR);
2563 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2564 client_write((char *)smr.ser, (int)smr.len);
2571 * Display a message using MIME content types
2573 void cmd_msg4(char *cmdbuf)
2578 msgid = extract_long(cmdbuf, 0);
2579 extract_token(section, cmdbuf, 1, '|', sizeof section);
2580 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2586 * Client tells us its preferred message format(s)
2588 void cmd_msgp(char *cmdbuf)
2590 if (!strcasecmp(cmdbuf, "dont_decode")) {
2591 CC->msg4_dont_decode = 1;
2592 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2595 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2596 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2602 * Open a component of a MIME message as a download file
2604 void cmd_opna(char *cmdbuf)
2607 char desired_section[128];
2609 msgid = extract_long(cmdbuf, 0);
2610 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2611 safestrncpy(CC->download_desired_section, desired_section,
2612 sizeof CC->download_desired_section);
2613 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2618 * Open a component of a MIME message and transmit it all at once
2620 void cmd_dlat(char *cmdbuf)
2623 char desired_section[128];
2625 msgid = extract_long(cmdbuf, 0);
2626 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2627 safestrncpy(CC->download_desired_section, desired_section,
2628 sizeof CC->download_desired_section);
2629 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2634 * Save one or more message pointers into a specified room
2635 * (Returns 0 for success, nonzero for failure)
2636 * roomname may be NULL to use the current room
2638 * Note that the 'supplied_msg' field may be set to NULL, in which case
2639 * the message will be fetched from disk, by number, if we need to perform
2640 * replication checks. This adds an additional database read, so if the
2641 * caller already has the message in memory then it should be supplied. (Obviously
2642 * this mode of operation only works if we're saving a single message.)
2644 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2645 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2648 char hold_rm[ROOMNAMELEN];
2649 struct cdbdata *cdbfr;
2652 long highest_msg = 0L;
2655 struct CtdlMessage *msg = NULL;
2657 long *msgs_to_be_merged = NULL;
2658 int num_msgs_to_be_merged = 0;
2661 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2662 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2665 strcpy(hold_rm, CC->room.QRname);
2668 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2669 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2670 if (num_newmsgs > 1) supplied_msg = NULL;
2672 /* Now the regular stuff */
2673 if (CtdlGetRoomLock(&CC->room,
2674 ((roomname != NULL) ? roomname : CC->room.QRname) )
2676 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2677 return(ERROR + ROOM_NOT_FOUND);
2681 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2682 num_msgs_to_be_merged = 0;
2685 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2686 if (cdbfr == NULL) {
2690 msglist = (long *) cdbfr->ptr;
2691 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2692 num_msgs = cdbfr->len / sizeof(long);
2697 /* Create a list of msgid's which were supplied by the caller, but do
2698 * not already exist in the target room. It is absolutely taboo to
2699 * have more than one reference to the same message in a room.
2701 for (i=0; i<num_newmsgs; ++i) {
2703 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2704 if (msglist[j] == newmsgidlist[i]) {
2709 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2713 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2716 * Now merge the new messages
2718 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2719 if (msglist == NULL) {
2720 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2722 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2723 num_msgs += num_msgs_to_be_merged;
2725 /* Sort the message list, so all the msgid's are in order */
2726 num_msgs = sort_msglist(msglist, num_msgs);
2728 /* Determine the highest message number */
2729 highest_msg = msglist[num_msgs - 1];
2731 /* Write it back to disk. */
2732 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2733 msglist, (int)(num_msgs * sizeof(long)));
2735 /* Free up the memory we used. */
2738 /* Update the highest-message pointer and unlock the room. */
2739 CC->room.QRhighest = highest_msg;
2740 CtdlPutRoomLock(&CC->room);
2742 /* Perform replication checks if necessary */
2743 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2744 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2746 for (i=0; i<num_msgs_to_be_merged; ++i) {
2747 msgid = msgs_to_be_merged[i];
2749 if (supplied_msg != NULL) {
2753 msg = CtdlFetchMessage(msgid, 0);
2757 ReplicationChecks(msg);
2759 /* If the message has an Exclusive ID, index that... */
2760 if (msg->cm_fields['E'] != NULL) {
2761 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2764 /* Free up the memory we may have allocated */
2765 if (msg != supplied_msg) {
2766 CtdlFreeMessage(msg);
2774 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2777 /* Submit this room for processing by hooks */
2778 PerformRoomHooks(&CC->room);
2780 /* Go back to the room we were in before we wandered here... */
2781 CtdlGetRoom(&CC->room, hold_rm);
2783 /* Bump the reference count for all messages which were merged */
2784 if (!suppress_refcount_adj) {
2785 for (i=0; i<num_msgs_to_be_merged; ++i) {
2786 AdjRefCount(msgs_to_be_merged[i], +1);
2790 /* Free up memory... */
2791 if (msgs_to_be_merged != NULL) {
2792 free(msgs_to_be_merged);
2795 /* Return success. */
2801 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2804 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2805 int do_repl_check, struct CtdlMessage *supplied_msg)
2807 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2814 * Message base operation to save a new message to the message store
2815 * (returns new message number)
2817 * This is the back end for CtdlSubmitMsg() and should not be directly
2818 * called by server-side modules.
2821 long send_message(struct CtdlMessage *msg) {
2829 /* Get a new message number */
2830 newmsgid = get_new_message_number();
2831 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2833 /* Generate an ID if we don't have one already */
2834 if (msg->cm_fields['I']==NULL) {
2835 msg->cm_fields['I'] = strdup(msgidbuf);
2838 /* If the message is big, set its body aside for storage elsewhere */
2839 if (msg->cm_fields['M'] != NULL) {
2840 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2842 holdM = msg->cm_fields['M'];
2843 msg->cm_fields['M'] = NULL;
2847 /* Serialize our data structure for storage in the database */
2848 serialize_message(&smr, msg);
2851 msg->cm_fields['M'] = holdM;
2855 cprintf("%d Unable to serialize message\n",
2856 ERROR + INTERNAL_ERROR);
2860 /* Write our little bundle of joy into the message base */
2861 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2862 smr.ser, smr.len) < 0) {
2863 syslog(LOG_ERR, "Can't store message\n");
2867 cdb_store(CDB_BIGMSGS,
2877 /* Free the memory we used for the serialized message */
2880 /* Return the *local* message ID to the caller
2881 * (even if we're storing an incoming network message)
2889 * Serialize a struct CtdlMessage into the format used on disk and network.
2891 * This function loads up a "struct ser_ret" (defined in server.h) which
2892 * contains the length of the serialized message and a pointer to the
2893 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2895 void serialize_message(struct ser_ret *ret, /* return values */
2896 struct CtdlMessage *msg) /* unserialized msg */
2898 size_t wlen, fieldlen;
2900 static char *forder = FORDER;
2903 * Check for valid message format
2905 if (is_valid_message(msg) == 0) {
2906 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2913 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2914 ret->len = ret->len +
2915 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2917 ret->ser = malloc(ret->len);
2918 if (ret->ser == NULL) {
2919 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2920 (long)ret->len, strerror(errno));
2927 ret->ser[1] = msg->cm_anon_type;
2928 ret->ser[2] = msg->cm_format_type;
2931 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2932 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2933 ret->ser[wlen++] = (char)forder[i];
2934 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2935 wlen = wlen + fieldlen + 1;
2937 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2938 (long)ret->len, (long)wlen);
2945 * Serialize a struct CtdlMessage into the format used on disk and network.
2947 * This function loads up a "struct ser_ret" (defined in server.h) which
2948 * contains the length of the serialized message and a pointer to the
2949 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2951 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2952 long Siz) /* how many chars ? */
2956 static char *forder = FORDER;
2960 * Check for valid message format
2962 if (is_valid_message(msg) == 0) {
2963 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2967 buf = (char*) malloc (Siz + 1);
2971 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2972 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2973 msg->cm_fields[(int)forder[i]]);
2974 client_write (buf, strlen(buf));
2983 * Check to see if any messages already exist in the current room which
2984 * carry the same Exclusive ID as this one. If any are found, delete them.
2986 void ReplicationChecks(struct CtdlMessage *msg) {
2987 long old_msgnum = (-1L);
2989 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2991 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2994 /* No exclusive id? Don't do anything. */
2995 if (msg == NULL) return;
2996 if (msg->cm_fields['E'] == NULL) return;
2997 if (IsEmptyStr(msg->cm_fields['E'])) return;
2998 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2999 msg->cm_fields['E'], CC->room.QRname);*/
3001 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
3002 if (old_msgnum > 0L) {
3003 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
3004 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
3011 * Save a message to disk and submit it into the delivery system.
3013 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3014 struct recptypes *recps, /* recipients (if mail) */
3015 char *force, /* force a particular room? */
3016 int flags /* should the message be exported clean? */
3018 char submit_filename[128];
3019 char generated_timestamp[32];
3020 char hold_rm[ROOMNAMELEN];
3021 char actual_rm[ROOMNAMELEN];
3022 char force_room[ROOMNAMELEN];
3023 char content_type[SIZ]; /* We have to learn this */
3024 char recipient[SIZ];
3026 const char *mptr = NULL;
3027 struct ctdluser userbuf;
3029 struct MetaData smi;
3030 FILE *network_fp = NULL;
3031 static int seqnum = 1;
3032 struct CtdlMessage *imsg = NULL;
3034 size_t instr_alloc = 0;
3036 char *hold_R, *hold_D;
3037 char *collected_addresses = NULL;
3038 struct addresses_to_be_filed *aptr = NULL;
3039 StrBuf *saved_rfc822_version = NULL;
3040 int qualified_for_journaling = 0;
3041 CitContext *CCC = MyContext();
3042 char bounce_to[1024] = "";
3046 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3047 if (is_valid_message(msg) == 0) return(-1); /* self check */
3049 /* If this message has no timestamp, we take the liberty of
3050 * giving it one, right now.
3052 if (msg->cm_fields['T'] == NULL) {
3053 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3054 msg->cm_fields['T'] = strdup(generated_timestamp);
3057 /* If this message has no path, we generate one.
3059 if (msg->cm_fields['P'] == NULL) {
3060 if (msg->cm_fields['A'] != NULL) {
3061 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3062 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3063 if (isspace(msg->cm_fields['P'][a])) {
3064 msg->cm_fields['P'][a] = ' ';
3069 msg->cm_fields['P'] = strdup("unknown");
3073 if (force == NULL) {
3074 strcpy(force_room, "");
3077 strcpy(force_room, force);
3080 /* Learn about what's inside, because it's what's inside that counts */
3081 if (msg->cm_fields['M'] == NULL) {
3082 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3086 switch (msg->cm_format_type) {
3088 strcpy(content_type, "text/x-citadel-variformat");
3091 strcpy(content_type, "text/plain");
3094 strcpy(content_type, "text/plain");
3095 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3098 safestrncpy(content_type, &mptr[13], sizeof content_type);
3099 striplt(content_type);
3100 aptr = content_type;
3101 while (!IsEmptyStr(aptr)) {
3113 /* Goto the correct room */
3114 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3115 strcpy(hold_rm, CCC->room.QRname);
3116 strcpy(actual_rm, CCC->room.QRname);
3117 if (recps != NULL) {
3118 strcpy(actual_rm, SENTITEMS);
3121 /* If the user is a twit, move to the twit room for posting */
3123 if (CCC->user.axlevel == AxProbU) {
3124 strcpy(hold_rm, actual_rm);
3125 strcpy(actual_rm, config.c_twitroom);
3126 syslog(LOG_DEBUG, "Diverting to twit room\n");
3130 /* ...or if this message is destined for Aide> then go there. */
3131 if (!IsEmptyStr(force_room)) {
3132 strcpy(actual_rm, force_room);
3135 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3136 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3137 /* CtdlGetRoom(&CCC->room, actual_rm); */
3138 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3142 * If this message has no O (room) field, generate one.
3144 if (msg->cm_fields['O'] == NULL) {
3145 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3148 /* Perform "before save" hooks (aborting if any return nonzero) */
3149 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3150 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3153 * If this message has an Exclusive ID, and the room is replication
3154 * checking enabled, then do replication checks.
3156 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3157 ReplicationChecks(msg);
3160 /* Save it to disk */
3161 syslog(LOG_DEBUG, "Saving to disk\n");
3162 newmsgid = send_message(msg);
3163 if (newmsgid <= 0L) return(-5);
3165 /* Write a supplemental message info record. This doesn't have to
3166 * be a critical section because nobody else knows about this message
3169 syslog(LOG_DEBUG, "Creating MetaData record\n");
3170 memset(&smi, 0, sizeof(struct MetaData));
3171 smi.meta_msgnum = newmsgid;
3172 smi.meta_refcount = 0;
3173 safestrncpy(smi.meta_content_type, content_type,
3174 sizeof smi.meta_content_type);
3177 * Measure how big this message will be when rendered as RFC822.
3178 * We do this for two reasons:
3179 * 1. We need the RFC822 length for the new metadata record, so the
3180 * POP and IMAP services don't have to calculate message lengths
3181 * while the user is waiting (multiplied by potentially hundreds
3182 * or thousands of messages).
3183 * 2. If journaling is enabled, we will need an RFC822 version of the
3184 * message to attach to the journalized copy.
3186 if (CCC->redirect_buffer != NULL) {
3187 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3190 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3191 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3192 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3193 saved_rfc822_version = CCC->redirect_buffer;
3194 CCC->redirect_buffer = NULL;
3198 /* Now figure out where to store the pointers */
3199 syslog(LOG_DEBUG, "Storing pointers\n");
3201 /* If this is being done by the networker delivering a private
3202 * message, we want to BYPASS saving the sender's copy (because there
3203 * is no local sender; it would otherwise go to the Trashcan).
3205 if ((!CCC->internal_pgm) || (recps == NULL)) {
3206 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3207 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3208 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3212 /* For internet mail, drop a copy in the outbound queue room */
3213 if ((recps != NULL) && (recps->num_internet > 0)) {
3214 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3217 /* If other rooms are specified, drop them there too. */
3218 if ((recps != NULL) && (recps->num_room > 0))
3219 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3220 extract_token(recipient, recps->recp_room, i,
3221 '|', sizeof recipient);
3222 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3223 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3226 /* Bump this user's messages posted counter. */
3227 syslog(LOG_DEBUG, "Updating user\n");
3228 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3229 CCC->user.posted = CCC->user.posted + 1;
3230 CtdlPutUserLock(&CCC->user);
3232 /* Decide where bounces need to be delivered */
3233 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3234 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3236 else if (CCC->logged_in) {
3237 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3240 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3243 /* If this is private, local mail, make a copy in the
3244 * recipient's mailbox and bump the reference count.
3246 if ((recps != NULL) && (recps->num_local > 0))
3247 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3248 extract_token(recipient, recps->recp_local, i,
3249 '|', sizeof recipient);
3250 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3252 if (CtdlGetUser(&userbuf, recipient) == 0) {
3253 // Add a flag so the Funambol module knows its mail
3254 msg->cm_fields['W'] = strdup(recipient);
3255 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3256 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3257 CtdlBumpNewMailCounter(userbuf.usernum);
3258 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3259 /* Generate a instruction message for the Funambol notification
3260 * server, in the same style as the SMTP queue
3263 instr = malloc(instr_alloc);
3264 snprintf(instr, instr_alloc,
3265 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3267 SPOOLMIME, newmsgid, (long)time(NULL),
3271 imsg = malloc(sizeof(struct CtdlMessage));
3272 memset(imsg, 0, sizeof(struct CtdlMessage));
3273 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3274 imsg->cm_anon_type = MES_NORMAL;
3275 imsg->cm_format_type = FMT_RFC822;
3276 imsg->cm_fields['A'] = strdup("Citadel");
3277 imsg->cm_fields['J'] = strdup("do not journal");
3278 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3279 imsg->cm_fields['W'] = strdup(recipient);
3280 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3281 CtdlFreeMessage(imsg);
3285 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3286 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3291 /* Perform "after save" hooks */
3292 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3293 PerformMessageHooks(msg, EVT_AFTERSAVE);
3295 /* For IGnet mail, we have to save a new copy into the spooler for
3296 * each recipient, with the R and D fields set to the recipient and
3297 * destination-node. This has two ugly side effects: all other
3298 * recipients end up being unlisted in this recipient's copy of the
3299 * message, and it has to deliver multiple messages to the same
3300 * node. We'll revisit this again in a year or so when everyone has
3301 * a network spool receiver that can handle the new style messages.
3303 if ((recps != NULL) && (recps->num_ignet > 0))
3304 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3305 extract_token(recipient, recps->recp_ignet, i,
3306 '|', sizeof recipient);
3308 hold_R = msg->cm_fields['R'];
3309 hold_D = msg->cm_fields['D'];
3310 msg->cm_fields['R'] = malloc(SIZ);
3311 msg->cm_fields['D'] = malloc(128);
3312 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3313 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3315 serialize_message(&smr, msg);
3317 snprintf(submit_filename, sizeof submit_filename,
3318 "%s/netmail.%04lx.%04x.%04x",
3320 (long) getpid(), CCC->cs_pid, ++seqnum);
3321 network_fp = fopen(submit_filename, "wb+");
3322 if (network_fp != NULL) {
3323 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3329 free(msg->cm_fields['R']);
3330 free(msg->cm_fields['D']);
3331 msg->cm_fields['R'] = hold_R;
3332 msg->cm_fields['D'] = hold_D;
3335 /* Go back to the room we started from */
3336 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3337 if (strcasecmp(hold_rm, CCC->room.QRname))
3338 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3340 /* For internet mail, generate delivery instructions.
3341 * Yes, this is recursive. Deal with it. Infinite recursion does
3342 * not happen because the delivery instructions message does not
3343 * contain a recipient.
3345 if ((recps != NULL) && (recps->num_internet > 0)) {
3346 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3348 instr = malloc(instr_alloc);
3349 snprintf(instr, instr_alloc,
3350 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3352 SPOOLMIME, newmsgid, (long)time(NULL),
3356 if (recps->envelope_from != NULL) {
3357 tmp = strlen(instr);
3358 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3361 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3362 tmp = strlen(instr);
3363 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3364 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3365 instr_alloc = instr_alloc * 2;
3366 instr = realloc(instr, instr_alloc);
3368 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3371 imsg = malloc(sizeof(struct CtdlMessage));
3372 memset(imsg, 0, sizeof(struct CtdlMessage));
3373 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3374 imsg->cm_anon_type = MES_NORMAL;
3375 imsg->cm_format_type = FMT_RFC822;
3376 imsg->cm_fields['A'] = strdup("Citadel");
3377 imsg->cm_fields['J'] = strdup("do not journal");
3378 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3379 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3380 CtdlFreeMessage(imsg);
3384 * Any addresses to harvest for someone's address book?
3386 if ( (CCC->logged_in) && (recps != NULL) ) {
3387 collected_addresses = harvest_collected_addresses(msg);
3390 if (collected_addresses != NULL) {
3391 aptr = (struct addresses_to_be_filed *)
3392 malloc(sizeof(struct addresses_to_be_filed));
3393 CtdlMailboxName(actual_rm, sizeof actual_rm,
3394 &CCC->user, USERCONTACTSROOM);
3395 aptr->roomname = strdup(actual_rm);
3396 aptr->collected_addresses = collected_addresses;
3397 begin_critical_section(S_ATBF);
3400 end_critical_section(S_ATBF);
3404 * Determine whether this message qualifies for journaling.
3406 if (msg->cm_fields['J'] != NULL) {
3407 qualified_for_journaling = 0;
3410 if (recps == NULL) {
3411 qualified_for_journaling = config.c_journal_pubmsgs;
3413 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3414 qualified_for_journaling = config.c_journal_email;
3417 qualified_for_journaling = config.c_journal_pubmsgs;
3422 * Do we have to perform journaling? If so, hand off the saved
3423 * RFC822 version will be handed off to the journaler for background
3424 * submit. Otherwise, we have to free the memory ourselves.
3426 if (saved_rfc822_version != NULL) {
3427 if (qualified_for_journaling) {
3428 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3431 FreeStrBuf(&saved_rfc822_version);
3441 void aide_message (char *text, char *subject)
3443 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3448 * Convenience function for generating small administrative messages.
3450 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3451 int format_type, const char *subject)
3453 struct CtdlMessage *msg;
3454 struct recptypes *recp = NULL;
3456 msg = malloc(sizeof(struct CtdlMessage));
3457 memset(msg, 0, sizeof(struct CtdlMessage));
3458 msg->cm_magic = CTDLMESSAGE_MAGIC;
3459 msg->cm_anon_type = MES_NORMAL;
3460 msg->cm_format_type = format_type;
3463 msg->cm_fields['A'] = strdup(from);
3465 else if (fromaddr != NULL) {
3466 msg->cm_fields['A'] = strdup(fromaddr);
3467 if (strchr(msg->cm_fields['A'], '@')) {
3468 *strchr(msg->cm_fields['A'], '@') = 0;
3472 msg->cm_fields['A'] = strdup("Citadel");
3475 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3476 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3477 msg->cm_fields['N'] = strdup(NODENAME);
3479 msg->cm_fields['R'] = strdup(to);
3480 recp = validate_recipients(to, NULL, 0);
3482 if (subject != NULL) {
3483 msg->cm_fields['U'] = strdup(subject);
3485 msg->cm_fields['M'] = strdup(text);
3487 CtdlSubmitMsg(msg, recp, room, 0);
3488 CtdlFreeMessage(msg);
3489 if (recp != NULL) free_recipients(recp);
3495 * Back end function used by CtdlMakeMessage() and similar functions
3497 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3499 size_t maxlen, /* maximum message length */
3500 char *exist, /* if non-null, append to it;
3501 exist is ALWAYS freed */
3502 int crlf, /* CRLF newlines instead of LF */
3503 int *sock /* socket handle or 0 for this session's client socket */
3512 LineBuf = NewStrBufPlain(NULL, SIZ);
3513 if (exist == NULL) {
3514 Message = NewStrBufPlain(NULL, 4 * SIZ);
3517 Message = NewStrBufPlain(exist, -1);
3521 /* Do we need to change leading ".." to "." for SMTP escaping? */
3522 if ((tlen == 1) && (*terminator == '.')) {
3526 /* read in the lines of message text one by one */
3529 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3534 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3536 if ((StrLength(LineBuf) == tlen) &&
3537 (!strcmp(ChrPtr(LineBuf), terminator)))
3540 if ( (!flushing) && (!finished) ) {
3542 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3545 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3548 /* Unescape SMTP-style input of two dots at the beginning of the line */
3550 (StrLength(LineBuf) == 2) &&
3551 (!strcmp(ChrPtr(LineBuf), "..")))
3553 StrBufCutLeft(LineBuf, 1);
3556 StrBufAppendBuf(Message, LineBuf, 0);
3559 /* if we've hit the max msg length, flush the rest */
3560 if (StrLength(Message) >= maxlen) flushing = 1;
3562 } while (!finished);
3563 FreeStrBuf(&LineBuf);
3569 * Back end function used by CtdlMakeMessage() and similar functions
3571 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3573 size_t maxlen, /* maximum message length */
3574 char *exist, /* if non-null, append to it;
3575 exist is ALWAYS freed */
3576 int crlf, /* CRLF newlines instead of LF */
3577 int *sock /* socket handle or 0 for this session's client socket */
3582 Message = CtdlReadMessageBodyBuf(terminator,
3588 if (Message == NULL)
3591 return SmashStrBuf(&Message);
3596 * Build a binary message to be saved on disk.
3597 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3598 * will become part of the message. This means you are no longer
3599 * responsible for managing that memory -- it will be freed along with
3600 * the rest of the fields when CtdlFreeMessage() is called.)
3603 struct CtdlMessage *CtdlMakeMessage(
3604 struct ctdluser *author, /* author's user structure */
3605 char *recipient, /* NULL if it's not mail */
3606 char *recp_cc, /* NULL if it's not mail */
3607 char *room, /* room where it's going */
3608 int type, /* see MES_ types in header file */
3609 int format_type, /* variformat, plain text, MIME... */
3610 char *fake_name, /* who we're masquerading as */
3611 char *my_email, /* which of my email addresses to use (empty is ok) */
3612 char *subject, /* Subject (optional) */
3613 char *supplied_euid, /* ...or NULL if this is irrelevant */
3614 char *preformatted_text, /* ...or NULL to read text from client */
3615 char *references /* Thread references */
3617 char dest_node[256];
3619 struct CtdlMessage *msg;
3621 StrBuf *FakeEncAuthor = NULL;
3623 msg = malloc(sizeof(struct CtdlMessage));
3624 memset(msg, 0, sizeof(struct CtdlMessage));
3625 msg->cm_magic = CTDLMESSAGE_MAGIC;
3626 msg->cm_anon_type = type;
3627 msg->cm_format_type = format_type;
3629 /* Don't confuse the poor folks if it's not routed mail. */
3630 strcpy(dest_node, "");
3632 if (recipient != NULL) striplt(recipient);
3633 if (recp_cc != NULL) striplt(recp_cc);
3635 /* Path or Return-Path */
3636 if (my_email == NULL) my_email = "";
3638 if (!IsEmptyStr(my_email)) {
3639 msg->cm_fields['P'] = strdup(my_email);
3642 snprintf(buf, sizeof buf, "%s", author->fullname);
3643 msg->cm_fields['P'] = strdup(buf);
3645 convert_spaces_to_underscores(msg->cm_fields['P']);
3647 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3648 msg->cm_fields['T'] = strdup(buf);
3650 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3651 FakeAuthor = NewStrBufPlain (fake_name, -1);
3654 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3656 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3657 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3658 FreeStrBuf(&FakeAuthor);
3660 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3661 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3664 msg->cm_fields['O'] = strdup(CC->room.QRname);
3667 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3668 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3670 if ((recipient != NULL) && (recipient[0] != 0)) {
3671 msg->cm_fields['R'] = strdup(recipient);
3673 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3674 msg->cm_fields['Y'] = strdup(recp_cc);
3676 if (dest_node[0] != 0) {
3677 msg->cm_fields['D'] = strdup(dest_node);
3680 if (!IsEmptyStr(my_email)) {
3681 msg->cm_fields['F'] = strdup(my_email);
3683 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3684 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3687 if (subject != NULL) {
3690 length = strlen(subject);
3696 while ((subject[i] != '\0') &&
3697 (IsAscii = isascii(subject[i]) != 0 ))
3700 msg->cm_fields['U'] = strdup(subject);
3701 else /* ok, we've got utf8 in the string. */
3703 msg->cm_fields['U'] = rfc2047encode(subject, length);
3709 if (supplied_euid != NULL) {
3710 msg->cm_fields['E'] = strdup(supplied_euid);
3713 if (references != NULL) {
3714 if (!IsEmptyStr(references)) {
3715 msg->cm_fields['W'] = strdup(references);
3719 if (preformatted_text != NULL) {
3720 msg->cm_fields['M'] = preformatted_text;
3723 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3731 * Check to see whether we have permission to post a message in the current
3732 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3733 * returns 0 on success.
3735 int CtdlDoIHavePermissionToPostInThisRoom(
3738 const char* RemoteIdentifier,
3744 if (!(CC->logged_in) &&
3745 (PostPublic == POST_LOGGED_IN)) {
3746 snprintf(errmsgbuf, n, "Not logged in.");
3747 return (ERROR + NOT_LOGGED_IN);
3749 else if (PostPublic == CHECK_EXISTANCE) {
3750 return (0); // We're Evaling whether a recipient exists
3752 else if (!(CC->logged_in)) {
3754 if ((CC->room.QRflags & QR_READONLY)) {
3755 snprintf(errmsgbuf, n, "Not logged in.");
3756 return (ERROR + NOT_LOGGED_IN);
3758 if (CC->room.QRflags2 & QR2_MODERATED) {
3759 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3760 return (ERROR + NOT_LOGGED_IN);
3762 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3767 if (RemoteIdentifier == NULL)
3769 snprintf(errmsgbuf, n, "Need sender to permit access.");
3770 return (ERROR + USERNAME_REQUIRED);
3773 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3774 begin_critical_section(S_NETCONFIGS);
3775 if (!read_spoolcontrol_file(&sc, filename))
3777 end_critical_section(S_NETCONFIGS);
3778 snprintf(errmsgbuf, n,
3779 "This mailing list only accepts posts from subscribers.");
3780 return (ERROR + NO_SUCH_USER);
3782 end_critical_section(S_NETCONFIGS);
3783 found = is_recipient (sc, RemoteIdentifier);
3784 free_spoolcontrol_struct(&sc);
3789 snprintf(errmsgbuf, n,
3790 "This mailing list only accepts posts from subscribers.");
3791 return (ERROR + NO_SUCH_USER);
3798 if ((CC->user.axlevel < AxProbU)
3799 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3800 snprintf(errmsgbuf, n, "Need to be validated to enter "
3801 "(except in %s> to sysop)", MAILROOM);
3802 return (ERROR + HIGHER_ACCESS_REQUIRED);
3805 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3807 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3809 * To be thorough, we ought to check to see if the message they are
3810 * replying to is actually a valid one in this room, but unless this
3811 * actually becomes a problem we'll go with high performance instead.
3813 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3814 return (ERROR + HIGHER_ACCESS_REQUIRED);
3817 else if (!(ra & UA_POSTALLOWED)) {
3818 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3819 return (ERROR + HIGHER_ACCESS_REQUIRED);
3822 strcpy(errmsgbuf, "Ok");
3828 * Check to see if the specified user has Internet mail permission
3829 * (returns nonzero if permission is granted)
3831 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3833 /* Do not allow twits to send Internet mail */
3834 if (who->axlevel <= AxProbU) return(0);
3836 /* Globally enabled? */
3837 if (config.c_restrict == 0) return(1);
3839 /* User flagged ok? */
3840 if (who->flags & US_INTERNET) return(2);
3842 /* Aide level access? */
3843 if (who->axlevel >= AxAideU) return(3);
3845 /* No mail for you! */
3851 * Validate recipients, count delivery types and errors, and handle aliasing
3852 * FIXME check for dupes!!!!!
3854 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3855 * were specified, or the number of addresses found invalid.
3857 * Caller needs to free the result using free_recipients()
3859 struct recptypes *validate_recipients(const char *supplied_recipients,
3860 const char *RemoteIdentifier,
3862 struct recptypes *ret;
3863 char *recipients = NULL;
3864 char this_recp[256];
3865 char this_recp_cooked[256];
3871 struct ctdluser tempUS;
3872 struct ctdlroom tempQR;
3873 struct ctdlroom tempQR2;
3879 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3880 if (ret == NULL) return(NULL);
3882 /* Set all strings to null and numeric values to zero */
3883 memset(ret, 0, sizeof(struct recptypes));
3885 if (supplied_recipients == NULL) {
3886 recipients = strdup("");
3889 recipients = strdup(supplied_recipients);
3892 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3893 * actually need, but it's healthier for the heap than doing lots of tiny
3894 * realloc() calls instead.
3897 ret->errormsg = malloc(strlen(recipients) + 1024);
3898 ret->recp_local = malloc(strlen(recipients) + 1024);
3899 ret->recp_internet = malloc(strlen(recipients) + 1024);
3900 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3901 ret->recp_room = malloc(strlen(recipients) + 1024);
3902 ret->display_recp = malloc(strlen(recipients) + 1024);
3904 ret->errormsg[0] = 0;
3905 ret->recp_local[0] = 0;
3906 ret->recp_internet[0] = 0;
3907 ret->recp_ignet[0] = 0;
3908 ret->recp_room[0] = 0;
3909 ret->display_recp[0] = 0;
3911 ret->recptypes_magic = RECPTYPES_MAGIC;
3913 /* Change all valid separator characters to commas */
3914 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3915 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3916 recipients[i] = ',';
3920 /* Now start extracting recipients... */
3922 while (!IsEmptyStr(recipients)) {
3924 for (i=0; i<=strlen(recipients); ++i) {
3925 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3926 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3927 safestrncpy(this_recp, recipients, i+1);
3929 if (recipients[i] == ',') {
3930 strcpy(recipients, &recipients[i+1]);
3933 strcpy(recipients, "");
3940 if (IsEmptyStr(this_recp))
3942 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3944 mailtype = alias(this_recp);
3945 mailtype = alias(this_recp);
3946 mailtype = alias(this_recp);
3948 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3949 if (this_recp[j]=='_') {
3950 this_recp_cooked[j] = ' ';
3953 this_recp_cooked[j] = this_recp[j];
3956 this_recp_cooked[j] = '\0';
3961 if (!strcasecmp(this_recp, "sysop")) {
3963 strcpy(this_recp, config.c_aideroom);
3964 if (!IsEmptyStr(ret->recp_room)) {
3965 strcat(ret->recp_room, "|");
3967 strcat(ret->recp_room, this_recp);
3969 else if ( (!strncasecmp(this_recp, "room_", 5))
3970 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3972 /* Save room so we can restore it later */
3976 /* Check permissions to send mail to this room */
3977 err = CtdlDoIHavePermissionToPostInThisRoom(
3982 0 /* 0 = not a reply */
3991 if (!IsEmptyStr(ret->recp_room)) {
3992 strcat(ret->recp_room, "|");
3994 strcat(ret->recp_room, &this_recp_cooked[5]);
3997 /* Restore room in case something needs it */
4001 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
4003 strcpy(this_recp, tempUS.fullname);
4004 if (!IsEmptyStr(ret->recp_local)) {
4005 strcat(ret->recp_local, "|");
4007 strcat(ret->recp_local, this_recp);
4009 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4011 strcpy(this_recp, tempUS.fullname);
4012 if (!IsEmptyStr(ret->recp_local)) {
4013 strcat(ret->recp_local, "|");
4015 strcat(ret->recp_local, this_recp);
4023 /* Yes, you're reading this correctly: if the target
4024 * domain points back to the local system or an attached
4025 * Citadel directory, the address is invalid. That's
4026 * because if the address were valid, we would have
4027 * already translated it to a local address by now.
4029 if (IsDirectory(this_recp, 0)) {
4034 ++ret->num_internet;
4035 if (!IsEmptyStr(ret->recp_internet)) {
4036 strcat(ret->recp_internet, "|");
4038 strcat(ret->recp_internet, this_recp);
4043 if (!IsEmptyStr(ret->recp_ignet)) {
4044 strcat(ret->recp_ignet, "|");
4046 strcat(ret->recp_ignet, this_recp);
4054 if (IsEmptyStr(errmsg)) {
4055 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4058 snprintf(append, sizeof append, "%s", errmsg);
4060 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4061 if (!IsEmptyStr(ret->errormsg)) {
4062 strcat(ret->errormsg, "; ");
4064 strcat(ret->errormsg, append);
4068 if (IsEmptyStr(ret->display_recp)) {
4069 strcpy(append, this_recp);
4072 snprintf(append, sizeof append, ", %s", this_recp);
4074 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4075 strcat(ret->display_recp, append);
4080 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4081 ret->num_room + ret->num_error) == 0) {
4082 ret->num_error = (-1);
4083 strcpy(ret->errormsg, "No recipients specified.");
4086 syslog(LOG_DEBUG, "validate_recipients()\n");
4087 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4088 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4089 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4090 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4091 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4099 * Destructor for struct recptypes
4101 void free_recipients(struct recptypes *valid) {
4103 if (valid == NULL) {
4107 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4108 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4112 if (valid->errormsg != NULL) free(valid->errormsg);
4113 if (valid->recp_local != NULL) free(valid->recp_local);
4114 if (valid->recp_internet != NULL) free(valid->recp_internet);
4115 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4116 if (valid->recp_room != NULL) free(valid->recp_room);
4117 if (valid->display_recp != NULL) free(valid->display_recp);
4118 if (valid->bounce_to != NULL) free(valid->bounce_to);
4119 if (valid->envelope_from != NULL) free(valid->envelope_from);
4126 * message entry - mode 0 (normal)
4128 void cmd_ent0(char *entargs)
4134 char supplied_euid[128];
4136 int format_type = 0;
4137 char newusername[256];
4138 char newuseremail[256];
4139 struct CtdlMessage *msg;
4143 struct recptypes *valid = NULL;
4144 struct recptypes *valid_to = NULL;
4145 struct recptypes *valid_cc = NULL;
4146 struct recptypes *valid_bcc = NULL;
4148 int subject_required = 0;
4153 int newuseremail_ok = 0;
4154 char references[SIZ];
4159 post = extract_int(entargs, 0);
4160 extract_token(recp, entargs, 1, '|', sizeof recp);
4161 anon_flag = extract_int(entargs, 2);
4162 format_type = extract_int(entargs, 3);
4163 extract_token(subject, entargs, 4, '|', sizeof subject);
4164 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4165 do_confirm = extract_int(entargs, 6);
4166 extract_token(cc, entargs, 7, '|', sizeof cc);
4167 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4168 switch(CC->room.QRdefaultview) {
4171 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4174 supplied_euid[0] = 0;
4177 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4178 extract_token(references, entargs, 11, '|', sizeof references);
4179 for (ptr=references; *ptr != 0; ++ptr) {
4180 if (*ptr == '!') *ptr = '|';
4183 /* first check to make sure the request is valid. */
4185 err = CtdlDoIHavePermissionToPostInThisRoom(
4190 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4194 cprintf("%d %s\n", err, errmsg);
4198 /* Check some other permission type things. */
4200 if (IsEmptyStr(newusername)) {
4201 strcpy(newusername, CC->user.fullname);
4203 if ( (CC->user.axlevel < AxAideU)
4204 && (strcasecmp(newusername, CC->user.fullname))
4205 && (strcasecmp(newusername, CC->cs_inet_fn))
4207 cprintf("%d You don't have permission to author messages as '%s'.\n",
4208 ERROR + HIGHER_ACCESS_REQUIRED,
4215 if (IsEmptyStr(newuseremail)) {
4216 newuseremail_ok = 1;
4219 if (!IsEmptyStr(newuseremail)) {
4220 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4221 newuseremail_ok = 1;
4223 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4224 j = num_tokens(CC->cs_inet_other_emails, '|');
4225 for (i=0; i<j; ++i) {
4226 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4227 if (!strcasecmp(newuseremail, buf)) {
4228 newuseremail_ok = 1;
4234 if (!newuseremail_ok) {
4235 cprintf("%d You don't have permission to author messages as '%s'.\n",
4236 ERROR + HIGHER_ACCESS_REQUIRED,
4242 CC->cs_flags |= CS_POSTING;
4244 /* In mailbox rooms we have to behave a little differently --
4245 * make sure the user has specified at least one recipient. Then
4246 * validate the recipient(s). We do this for the Mail> room, as
4247 * well as any room which has the "Mailbox" view set - unless it
4248 * is the DRAFTS room which does not require recipients
4251 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4252 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4253 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4254 if (CC->user.axlevel < AxProbU) {
4255 strcpy(recp, "sysop");
4260 valid_to = validate_recipients(recp, NULL, 0);
4261 if (valid_to->num_error > 0) {
4262 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4263 free_recipients(valid_to);
4267 valid_cc = validate_recipients(cc, NULL, 0);
4268 if (valid_cc->num_error > 0) {
4269 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4270 free_recipients(valid_to);
4271 free_recipients(valid_cc);
4275 valid_bcc = validate_recipients(bcc, NULL, 0);
4276 if (valid_bcc->num_error > 0) {
4277 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4278 free_recipients(valid_to);
4279 free_recipients(valid_cc);
4280 free_recipients(valid_bcc);
4284 /* Recipient required, but none were specified */
4285 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4286 free_recipients(valid_to);
4287 free_recipients(valid_cc);
4288 free_recipients(valid_bcc);
4289 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4293 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4294 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4295 cprintf("%d You do not have permission "
4296 "to send Internet mail.\n",
4297 ERROR + HIGHER_ACCESS_REQUIRED);
4298 free_recipients(valid_to);
4299 free_recipients(valid_cc);
4300 free_recipients(valid_bcc);
4305 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)
4306 && (CC->user.axlevel < AxNetU) ) {
4307 cprintf("%d Higher access required for network mail.\n",
4308 ERROR + HIGHER_ACCESS_REQUIRED);
4309 free_recipients(valid_to);
4310 free_recipients(valid_cc);
4311 free_recipients(valid_bcc);
4315 if ((RESTRICT_INTERNET == 1)
4316 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4317 && ((CC->user.flags & US_INTERNET) == 0)
4318 && (!CC->internal_pgm)) {
4319 cprintf("%d You don't have access to Internet mail.\n",
4320 ERROR + HIGHER_ACCESS_REQUIRED);
4321 free_recipients(valid_to);
4322 free_recipients(valid_cc);
4323 free_recipients(valid_bcc);
4329 /* Is this a room which has anonymous-only or anonymous-option? */
4330 anonymous = MES_NORMAL;
4331 if (CC->room.QRflags & QR_ANONONLY) {
4332 anonymous = MES_ANONONLY;
4334 if (CC->room.QRflags & QR_ANONOPT) {
4335 if (anon_flag == 1) { /* only if the user requested it */
4336 anonymous = MES_ANONOPT;
4340 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4344 /* Recommend to the client that the use of a message subject is
4345 * strongly recommended in this room, if either the SUBJECTREQ flag
4346 * is set, or if there is one or more Internet email recipients.
4348 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4349 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4350 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4351 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4353 /* If we're only checking the validity of the request, return
4354 * success without creating the message.
4357 cprintf("%d %s|%d\n", CIT_OK,
4358 ((valid_to != NULL) ? valid_to->display_recp : ""),
4360 free_recipients(valid_to);
4361 free_recipients(valid_cc);
4362 free_recipients(valid_bcc);
4366 /* We don't need these anymore because we'll do it differently below */
4367 free_recipients(valid_to);
4368 free_recipients(valid_cc);
4369 free_recipients(valid_bcc);
4371 /* Read in the message from the client. */
4373 cprintf("%d send message\n", START_CHAT_MODE);
4375 cprintf("%d send message\n", SEND_LISTING);
4378 msg = CtdlMakeMessage(&CC->user, recp, cc,
4379 CC->room.QRname, anonymous, format_type,
4380 newusername, newuseremail, subject,
4381 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4384 /* Put together one big recipients struct containing to/cc/bcc all in
4385 * one. This is for the envelope.
4387 char *all_recps = malloc(SIZ * 3);
4388 strcpy(all_recps, recp);
4389 if (!IsEmptyStr(cc)) {
4390 if (!IsEmptyStr(all_recps)) {
4391 strcat(all_recps, ",");
4393 strcat(all_recps, cc);
4395 if (!IsEmptyStr(bcc)) {
4396 if (!IsEmptyStr(all_recps)) {
4397 strcat(all_recps, ",");
4399 strcat(all_recps, bcc);
4401 if (!IsEmptyStr(all_recps)) {
4402 valid = validate_recipients(all_recps, NULL, 0);
4410 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4413 cprintf("%ld\n", msgnum);
4415 cprintf("Message accepted.\n");
4418 cprintf("Internal error.\n");
4420 if (msg->cm_fields['E'] != NULL) {
4421 cprintf("%s\n", msg->cm_fields['E']);
4428 CtdlFreeMessage(msg);
4430 if (valid != NULL) {
4431 free_recipients(valid);
4439 * API function to delete messages which match a set of criteria
4440 * (returns the actual number of messages deleted)
4442 int CtdlDeleteMessages(char *room_name, /* which room */
4443 long *dmsgnums, /* array of msg numbers to be deleted */
4444 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4445 char *content_type /* or "" for any. regular expressions expected. */
4448 struct ctdlroom qrbuf;
4449 struct cdbdata *cdbfr;
4450 long *msglist = NULL;
4451 long *dellist = NULL;
4454 int num_deleted = 0;
4456 struct MetaData smi;
4459 int need_to_free_re = 0;
4461 if (content_type) if (!IsEmptyStr(content_type)) {
4462 regcomp(&re, content_type, 0);
4463 need_to_free_re = 1;
4465 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4466 room_name, num_dmsgnums, content_type);
4468 /* get room record, obtaining a lock... */
4469 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4470 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4472 if (need_to_free_re) regfree(&re);
4473 return (0); /* room not found */
4475 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4477 if (cdbfr != NULL) {
4478 dellist = malloc(cdbfr->len);
4479 msglist = (long *) cdbfr->ptr;
4480 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4481 num_msgs = cdbfr->len / sizeof(long);
4485 for (i = 0; i < num_msgs; ++i) {
4488 /* Set/clear a bit for each criterion */
4490 /* 0 messages in the list or a null list means that we are
4491 * interested in deleting any messages which meet the other criteria.
4493 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4494 delete_this |= 0x01;
4497 for (j=0; j<num_dmsgnums; ++j) {
4498 if (msglist[i] == dmsgnums[j]) {
4499 delete_this |= 0x01;
4504 if (IsEmptyStr(content_type)) {
4505 delete_this |= 0x02;
4507 GetMetaData(&smi, msglist[i]);
4508 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4509 delete_this |= 0x02;
4513 /* Delete message only if all bits are set */
4514 if (delete_this == 0x03) {
4515 dellist[num_deleted++] = msglist[i];
4520 num_msgs = sort_msglist(msglist, num_msgs);
4521 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4522 msglist, (int)(num_msgs * sizeof(long)));
4525 qrbuf.QRhighest = msglist[num_msgs - 1];
4527 qrbuf.QRhighest = 0;
4529 CtdlPutRoomLock(&qrbuf);
4531 /* Go through the messages we pulled out of the index, and decrement
4532 * their reference counts by 1. If this is the only room the message
4533 * was in, the reference count will reach zero and the message will
4534 * automatically be deleted from the database. We do this in a
4535 * separate pass because there might be plug-in hooks getting called,
4536 * and we don't want that happening during an S_ROOMS critical
4539 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4540 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4541 AdjRefCount(dellist[i], -1);
4544 /* Now free the memory we used, and go away. */
4545 if (msglist != NULL) free(msglist);
4546 if (dellist != NULL) free(dellist);
4547 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4548 if (need_to_free_re) regfree(&re);
4549 return (num_deleted);
4555 * Check whether the current user has permission to delete messages from
4556 * the current room (returns 1 for yes, 0 for no)
4558 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4560 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4561 if (ra & UA_DELETEALLOWED) return(1);
4569 * Delete message from current room
4571 void cmd_dele(char *args)
4580 extract_token(msgset, args, 0, '|', sizeof msgset);
4581 num_msgs = num_tokens(msgset, ',');
4583 cprintf("%d Nothing to do.\n", CIT_OK);
4587 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4588 cprintf("%d Higher access required.\n",
4589 ERROR + HIGHER_ACCESS_REQUIRED);
4594 * Build our message set to be moved/copied
4596 msgs = malloc(num_msgs * sizeof(long));
4597 for (i=0; i<num_msgs; ++i) {
4598 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4599 msgs[i] = atol(msgtok);
4602 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4606 cprintf("%d %d message%s deleted.\n", CIT_OK,
4607 num_deleted, ((num_deleted != 1) ? "s" : ""));
4609 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4617 * move or copy a message to another room
4619 void cmd_move(char *args)
4626 char targ[ROOMNAMELEN];
4627 struct ctdlroom qtemp;
4634 extract_token(msgset, args, 0, '|', sizeof msgset);
4635 num_msgs = num_tokens(msgset, ',');
4637 cprintf("%d Nothing to do.\n", CIT_OK);
4641 extract_token(targ, args, 1, '|', sizeof targ);
4642 convert_room_name_macros(targ, sizeof targ);
4643 targ[ROOMNAMELEN - 1] = 0;
4644 is_copy = extract_int(args, 2);
4646 if (CtdlGetRoom(&qtemp, targ) != 0) {
4647 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4651 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4652 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4656 CtdlGetUser(&CC->user, CC->curr_user);
4657 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4659 /* Check for permission to perform this operation.
4660 * Remember: "CC->room" is source, "qtemp" is target.
4664 /* Aides can move/copy */
4665 if (CC->user.axlevel >= AxAideU) permit = 1;
4667 /* Room aides can move/copy */
4668 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4670 /* Permit move/copy from personal rooms */
4671 if ((CC->room.QRflags & QR_MAILBOX)
4672 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4674 /* Permit only copy from public to personal room */
4676 && (!(CC->room.QRflags & QR_MAILBOX))
4677 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4679 /* Permit message removal from collaborative delete rooms */
4680 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4682 /* Users allowed to post into the target room may move into it too. */
4683 if ((CC->room.QRflags & QR_MAILBOX) &&
4684 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4686 /* User must have access to target room */
4687 if (!(ra & UA_KNOWN)) permit = 0;
4690 cprintf("%d Higher access required.\n",
4691 ERROR + HIGHER_ACCESS_REQUIRED);
4696 * Build our message set to be moved/copied
4698 msgs = malloc(num_msgs * sizeof(long));
4699 for (i=0; i<num_msgs; ++i) {
4700 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4701 msgs[i] = atol(msgtok);
4707 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4709 cprintf("%d Cannot store message(s) in %s: error %d\n",
4715 /* Now delete the message from the source room,
4716 * if this is a 'move' rather than a 'copy' operation.
4719 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4723 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4729 * GetMetaData() - Get the supplementary record for a message
4731 void GetMetaData(struct MetaData *smibuf, long msgnum)
4734 struct cdbdata *cdbsmi;
4737 memset(smibuf, 0, sizeof(struct MetaData));
4738 smibuf->meta_msgnum = msgnum;
4739 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4741 /* Use the negative of the message number for its supp record index */
4742 TheIndex = (0L - msgnum);
4744 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4745 if (cdbsmi == NULL) {
4746 return; /* record not found; go with defaults */
4748 memcpy(smibuf, cdbsmi->ptr,
4749 ((cdbsmi->len > sizeof(struct MetaData)) ?
4750 sizeof(struct MetaData) : cdbsmi->len));
4757 * PutMetaData() - (re)write supplementary record for a message
4759 void PutMetaData(struct MetaData *smibuf)
4763 /* Use the negative of the message number for the metadata db index */
4764 TheIndex = (0L - smibuf->meta_msgnum);
4766 cdb_store(CDB_MSGMAIN,
4767 &TheIndex, (int)sizeof(long),
4768 smibuf, (int)sizeof(struct MetaData));
4773 * AdjRefCount - submit an adjustment to the reference count for a message.
4774 * (These are just queued -- we actually process them later.)
4776 void AdjRefCount(long msgnum, int incr)
4778 struct arcq new_arcq;
4781 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4785 begin_critical_section(S_SUPPMSGMAIN);
4786 if (arcfp == NULL) {
4787 arcfp = fopen(file_arcq, "ab+");
4789 end_critical_section(S_SUPPMSGMAIN);
4791 /* msgnum < 0 means that we're trying to close the file */
4793 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4794 begin_critical_section(S_SUPPMSGMAIN);
4795 if (arcfp != NULL) {
4799 end_critical_section(S_SUPPMSGMAIN);
4804 * If we can't open the queue, perform the operation synchronously.
4806 if (arcfp == NULL) {
4807 TDAP_AdjRefCount(msgnum, incr);
4811 new_arcq.arcq_msgnum = msgnum;
4812 new_arcq.arcq_delta = incr;
4813 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4821 * TDAP_ProcessAdjRefCountQueue()
4823 * Process the queue of message count adjustments that was created by calls
4824 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4825 * for each one. This should be an "off hours" operation.
4827 int TDAP_ProcessAdjRefCountQueue(void)
4829 char file_arcq_temp[PATH_MAX];
4832 struct arcq arcq_rec;
4833 int num_records_processed = 0;
4835 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4837 begin_critical_section(S_SUPPMSGMAIN);
4838 if (arcfp != NULL) {
4843 r = link(file_arcq, file_arcq_temp);
4845 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4846 end_critical_section(S_SUPPMSGMAIN);
4847 return(num_records_processed);
4851 end_critical_section(S_SUPPMSGMAIN);
4853 fp = fopen(file_arcq_temp, "rb");
4855 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4856 return(num_records_processed);
4859 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4860 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4861 ++num_records_processed;
4865 r = unlink(file_arcq_temp);
4867 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4870 return(num_records_processed);
4876 * TDAP_AdjRefCount - adjust the reference count for a message.
4877 * This one does it "for real" because it's called by
4878 * the autopurger function that processes the queue
4879 * created by AdjRefCount(). If a message's reference
4880 * count becomes zero, we also delete the message from
4881 * disk and de-index it.
4883 void TDAP_AdjRefCount(long msgnum, int incr)
4886 struct MetaData smi;
4889 /* This is a *tight* critical section; please keep it that way, as
4890 * it may get called while nested in other critical sections.
4891 * Complicating this any further will surely cause deadlock!
4893 begin_critical_section(S_SUPPMSGMAIN);
4894 GetMetaData(&smi, msgnum);
4895 smi.meta_refcount += incr;
4897 end_critical_section(S_SUPPMSGMAIN);
4898 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4899 msgnum, incr, smi.meta_refcount
4902 /* If the reference count is now zero, delete the message
4903 * (and its supplementary record as well).
4905 if (smi.meta_refcount == 0) {
4906 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4908 /* Call delete hooks with NULL room to show it has gone altogether */
4909 PerformDeleteHooks(NULL, msgnum);
4911 /* Remove from message base */
4913 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4914 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4916 /* Remove metadata record */
4917 delnum = (0L - msgnum);
4918 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4924 * Write a generic object to this room
4926 * Note: this could be much more efficient. Right now we use two temporary
4927 * files, and still pull the message into memory as with all others.
4929 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4930 char *content_type, /* MIME type of this object */
4931 char *raw_message, /* Data to be written */
4932 off_t raw_length, /* Size of raw_message */
4933 struct ctdluser *is_mailbox, /* Mailbox room? */
4934 int is_binary, /* Is encoding necessary? */
4935 int is_unique, /* Del others of this type? */
4936 unsigned int flags /* Internal save flags */
4940 struct ctdlroom qrbuf;
4941 char roomname[ROOMNAMELEN];
4942 struct CtdlMessage *msg;
4943 char *encoded_message = NULL;
4945 if (is_mailbox != NULL) {
4946 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4949 safestrncpy(roomname, req_room, sizeof(roomname));
4952 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4955 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4958 encoded_message = malloc((size_t)(raw_length + 4096));
4961 sprintf(encoded_message, "Content-type: %s\n", content_type);
4964 sprintf(&encoded_message[strlen(encoded_message)],
4965 "Content-transfer-encoding: base64\n\n"
4969 sprintf(&encoded_message[strlen(encoded_message)],
4970 "Content-transfer-encoding: 7bit\n\n"
4976 &encoded_message[strlen(encoded_message)],
4984 &encoded_message[strlen(encoded_message)],
4990 syslog(LOG_DEBUG, "Allocating\n");
4991 msg = malloc(sizeof(struct CtdlMessage));
4992 memset(msg, 0, sizeof(struct CtdlMessage));
4993 msg->cm_magic = CTDLMESSAGE_MAGIC;
4994 msg->cm_anon_type = MES_NORMAL;
4995 msg->cm_format_type = 4;
4996 msg->cm_fields['A'] = strdup(CC->user.fullname);
4997 msg->cm_fields['O'] = strdup(req_room);
4998 msg->cm_fields['N'] = strdup(config.c_nodename);
4999 msg->cm_fields['H'] = strdup(config.c_humannode);
5000 msg->cm_flags = flags;
5002 msg->cm_fields['M'] = encoded_message;
5004 /* Create the requested room if we have to. */
5005 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5006 CtdlCreateRoom(roomname,
5007 ( (is_mailbox != NULL) ? 5 : 3 ),
5008 "", 0, 1, 0, VIEW_BBS);
5010 /* If the caller specified this object as unique, delete all
5011 * other objects of this type that are currently in the room.
5014 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5015 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5018 /* Now write the data */
5019 CtdlSubmitMsg(msg, NULL, roomname, 0);
5020 CtdlFreeMessage(msg);
5028 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5029 config_msgnum = msgnum;
5033 char *CtdlGetSysConfig(char *sysconfname) {
5034 char hold_rm[ROOMNAMELEN];
5037 struct CtdlMessage *msg;
5040 strcpy(hold_rm, CC->room.QRname);
5041 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5042 CtdlGetRoom(&CC->room, hold_rm);
5047 /* We want the last (and probably only) config in this room */
5048 begin_critical_section(S_CONFIG);
5049 config_msgnum = (-1L);
5050 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5051 CtdlGetSysConfigBackend, NULL);
5052 msgnum = config_msgnum;
5053 end_critical_section(S_CONFIG);
5059 msg = CtdlFetchMessage(msgnum, 1);
5061 conf = strdup(msg->cm_fields['M']);
5062 CtdlFreeMessage(msg);
5069 CtdlGetRoom(&CC->room, hold_rm);
5071 if (conf != NULL) do {
5072 extract_token(buf, conf, 0, '\n', sizeof buf);
5073 strcpy(conf, &conf[strlen(buf)+1]);
5074 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5080 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5081 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5086 * Determine whether a given Internet address belongs to the current user
5088 int CtdlIsMe(char *addr, int addr_buf_len)
5090 struct recptypes *recp;
5093 recp = validate_recipients(addr, NULL, 0);
5094 if (recp == NULL) return(0);
5096 if (recp->num_local == 0) {
5097 free_recipients(recp);
5101 for (i=0; i<recp->num_local; ++i) {
5102 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5103 if (!strcasecmp(addr, CC->user.fullname)) {
5104 free_recipients(recp);
5109 free_recipients(recp);
5115 * Citadel protocol command to do the same
5117 void cmd_isme(char *argbuf) {
5120 if (CtdlAccessCheck(ac_logged_in)) return;
5121 extract_token(addr, argbuf, 0, '|', sizeof addr);
5123 if (CtdlIsMe(addr, sizeof addr)) {
5124 cprintf("%d %s\n", CIT_OK, addr);
5127 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5133 /*****************************************************************************/
5134 /* MODULE INITIALIZATION STUFF */
5135 /*****************************************************************************/
5137 CTDL_MODULE_INIT(msgbase)
5140 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5141 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5142 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5143 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5144 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5145 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5146 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5147 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5148 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5149 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5150 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5151 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5154 /* return our Subversion id for the Log */