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);
1669 syslog(LOG_DEBUG, "Denying access to message %ld - not yet listed\n", msg_num);
1671 if (r == om_access_denied) {
1672 cprintf("%d Message %ld was not found in this room.\n",
1673 ERROR + MESSAGE_NOT_FOUND,
1678 cprintf("%d An unknown error has occurred.\n", ERROR);
1684 syslog(LOG_DEBUG, "\033[32m PASS \033[0m\n");
1687 syslog(LOG_DEBUG, "\033[31m FAIL \033[0m\n");
1688 >>>>>>> parent of 4ec6a9d... Updating cmd_euid() to use the CtdlForEachMessage() API fixes the security check in blog view and saves some code
1690 /* FIXME after testing, this is where we deny access */
1693 * Fetch the message from disk. If we're in HEADERS_FAST mode,
1694 * request that we don't even bother loading the body into memory.
1696 if (headers_only == HEADERS_FAST) {
1697 TheMessage = CtdlFetchMessage(msg_num, 0);
1700 TheMessage = CtdlFetchMessage(msg_num, 1);
1703 if (TheMessage == NULL) {
1704 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1705 ERROR + MESSAGE_NOT_FOUND, msg_num);
1706 return(om_no_such_msg);
1709 /* Here is the weird form of this command, to process only an
1710 * encapsulated message/rfc822 section.
1712 if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
1713 memset(&encap, 0, sizeof encap);
1714 safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
1715 mime_parser(TheMessage->cm_fields['M'],
1717 *extract_encapsulated_message,
1718 NULL, NULL, (void *)&encap, 0
1720 CtdlFreeMessage(TheMessage);
1724 encap.msg[encap.msglen] = 0;
1725 TheMessage = convert_internet_message(encap.msg);
1726 encap.msg = NULL; /* no free() here, TheMessage owns it now */
1728 /* Now we let it fall through to the bottom of this
1729 * function, because TheMessage now contains the
1730 * encapsulated message instead of the top-level
1731 * message. Isn't that neat?
1736 if (do_proto) cprintf("%d msg %ld has no part %s\n",
1737 ERROR + MESSAGE_NOT_FOUND, msg_num, section);
1738 retcode = om_no_such_msg;
1743 /* Ok, output the message now */
1744 retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf, flags);
1745 CtdlFreeMessage(TheMessage);
1751 char *qp_encode_email_addrs(char *source)
1753 char *user, *node, *name;
1754 const char headerStr[] = "=?UTF-8?Q?";
1758 int need_to_encode = 0;
1764 long nAddrPtrMax = 50;
1769 if (source == NULL) return source;
1770 if (IsEmptyStr(source)) return source;
1772 syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
1774 AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
1775 AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
1776 memset(AddrUtf8, 0, sizeof (long) * nAddrPtrMax);
1779 while (!IsEmptyStr (&source[i])) {
1780 if (nColons >= nAddrPtrMax){
1783 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1784 memcpy (ptr, AddrPtr, sizeof (long) * nAddrPtrMax);
1785 free (AddrPtr), AddrPtr = ptr;
1787 ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
1788 memset(&ptr[nAddrPtrMax], 0,
1789 sizeof (long) * nAddrPtrMax);
1791 memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
1792 free (AddrUtf8), AddrUtf8 = ptr;
1795 if (((unsigned char) source[i] < 32) ||
1796 ((unsigned char) source[i] > 126)) {
1798 AddrUtf8[nColons] = 1;
1800 if (source[i] == '"')
1801 InQuotes = !InQuotes;
1802 if (!InQuotes && source[i] == ',') {
1803 AddrPtr[nColons] = i;
1808 if (need_to_encode == 0) {
1815 EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
1816 Encoded = (char*) malloc (EncodedMaxLen);
1818 for (i = 0; i < nColons; i++)
1819 source[AddrPtr[i]++] = '\0';
1820 /* TODO: if libidn, this might get larger*/
1821 user = malloc(SourceLen + 1);
1822 node = malloc(SourceLen + 1);
1823 name = malloc(SourceLen + 1);
1827 for (i = 0; i < nColons && nPtr != NULL; i++) {
1828 nmax = EncodedMaxLen - (nPtr - Encoded);
1830 process_rfc822_addr(&source[AddrPtr[i]],
1834 /* TODO: libIDN here ! */
1835 if (IsEmptyStr(name)) {
1836 n = snprintf(nPtr, nmax,
1837 (i==0)?"%s@%s" : ",%s@%s",
1841 EncodedName = rfc2047encode(name, strlen(name));
1842 n = snprintf(nPtr, nmax,
1843 (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
1844 EncodedName, user, node);
1849 n = snprintf(nPtr, nmax,
1850 (i==0)?"%s" : ",%s",
1851 &source[AddrPtr[i]]);
1857 ptr = (char*) malloc(EncodedMaxLen * 2);
1858 memcpy(ptr, Encoded, EncodedMaxLen);
1859 nnPtr = ptr + (nPtr - Encoded), nPtr = nnPtr;
1860 free(Encoded), Encoded = ptr;
1862 i--; /* do it once more with properly lengthened buffer */
1865 for (i = 0; i < nColons; i++)
1866 source[--AddrPtr[i]] = ',';
1877 /* If the last item in a list of recipients was truncated to a partial address,
1878 * remove it completely in order to avoid choking libSieve
1880 void sanitize_truncated_recipient(char *str)
1883 if (num_tokens(str, ',') < 2) return;
1885 int len = strlen(str);
1886 if (len < 900) return;
1887 if (len > 998) str[998] = 0;
1889 char *cptr = strrchr(str, ',');
1892 char *lptr = strchr(cptr, '<');
1893 char *rptr = strchr(cptr, '>');
1895 if ( (lptr) && (rptr) && (rptr > lptr) ) return;
1901 void OutputCtdlMsgHeaders(
1902 struct CtdlMessage *TheMessage,
1903 int do_proto) /* do Citadel protocol responses? */
1909 char display_name[256];
1911 /* begin header processing loop for Citadel message format */
1912 safestrncpy(display_name, "<unknown>", sizeof display_name);
1913 if (TheMessage->cm_fields['A']) {
1914 strcpy(buf, TheMessage->cm_fields['A']);
1915 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1916 safestrncpy(display_name, "****", sizeof display_name);
1918 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1919 safestrncpy(display_name, "anonymous", sizeof display_name);
1922 safestrncpy(display_name, buf, sizeof display_name);
1924 if ((is_room_aide())
1925 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1926 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1927 size_t tmp = strlen(display_name);
1928 snprintf(&display_name[tmp],
1929 sizeof display_name - tmp,
1934 /* Don't show Internet address for users on the
1935 * local Citadel network.
1938 if (TheMessage->cm_fields['N'] != NULL)
1939 if (!IsEmptyStr(TheMessage->cm_fields['N']))
1940 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1944 /* Now spew the header fields in the order we like them. */
1945 n = safestrncpy(allkeys, FORDER, sizeof allkeys);
1946 for (i=0; i<n; ++i) {
1947 k = (int) allkeys[i];
1949 if ( (TheMessage->cm_fields[k] != NULL)
1950 && (msgkeys[k] != NULL) ) {
1951 if ((k == 'V') || (k == 'R') || (k == 'Y')) {
1952 sanitize_truncated_recipient(TheMessage->cm_fields[k]);
1955 if (do_proto) cprintf("%s=%s\n",
1959 else if ((k == 'F') && (suppress_f)) {
1962 /* Masquerade display name if needed */
1964 if (do_proto) cprintf("%s=%s\n",
1966 TheMessage->cm_fields[k]
1975 void OutputRFC822MsgHeaders(
1976 struct CtdlMessage *TheMessage,
1977 int flags, /* should the bessage be exported clean */
1979 char *mid, long sizeof_mid,
1980 char *suser, long sizeof_suser,
1981 char *luser, long sizeof_luser,
1982 char *fuser, long sizeof_fuser,
1983 char *snode, long sizeof_snode)
1985 char datestamp[100];
1986 int subject_found = 0;
1992 for (i = 0; i < 256; ++i) {
1993 if (TheMessage->cm_fields[i]) {
1994 mptr = mpptr = TheMessage->cm_fields[i];
1997 safestrncpy(luser, mptr, sizeof_luser);
1998 safestrncpy(suser, mptr, sizeof_suser);
2000 else if (i == 'Y') {
2001 if ((flags & QP_EADDR) != 0) {
2002 mptr = qp_encode_email_addrs(mptr);
2004 sanitize_truncated_recipient(mptr);
2005 cprintf("CC: %s%s", mptr, nl);
2007 else if (i == 'P') {
2008 cprintf("Return-Path: %s%s", mptr, nl);
2010 else if (i == 'L') {
2011 cprintf("List-ID: %s%s", mptr, nl);
2013 else if (i == 'V') {
2014 if ((flags & QP_EADDR) != 0)
2015 mptr = qp_encode_email_addrs(mptr);
2016 cprintf("Envelope-To: %s%s", mptr, nl);
2018 else if (i == 'U') {
2019 cprintf("Subject: %s%s", mptr, nl);
2023 safestrncpy(mid, mptr, sizeof_mid); /// TODO: detect @ here and copy @nodename in if not found.
2025 safestrncpy(fuser, mptr, sizeof_fuser);
2026 /* else if (i == 'O')
2027 cprintf("X-Citadel-Room: %s%s",
2030 safestrncpy(snode, mptr, sizeof_snode);
2033 if (haschar(mptr, '@') == 0)
2035 sanitize_truncated_recipient(mptr);
2036 cprintf("To: %s@%s", mptr, config.c_fqdn);
2041 if ((flags & QP_EADDR) != 0) {
2042 mptr = qp_encode_email_addrs(mptr);
2044 sanitize_truncated_recipient(mptr);
2045 cprintf("To: %s", mptr);
2049 else if (i == 'T') {
2050 datestring(datestamp, sizeof datestamp,
2051 atol(mptr), DATESTRING_RFC822);
2052 cprintf("Date: %s%s", datestamp, nl);
2054 else if (i == 'W') {
2055 cprintf("References: ");
2056 k = num_tokens(mptr, '|');
2057 for (j=0; j<k; ++j) {
2058 extract_token(buf, mptr, j, '|', sizeof buf);
2059 cprintf("<%s>", buf);
2068 else if (i == 'K') {
2069 cprintf("Reply-To: <%s>%s", mptr, nl);
2075 if (subject_found == 0) {
2076 cprintf("Subject: (no subject)%s", nl);
2081 void Dump_RFC822HeadersBody(
2082 struct CtdlMessage *TheMessage,
2083 int headers_only, /* eschew the message body? */
2084 int flags, /* should the bessage be exported clean? */
2088 cit_uint8_t prev_ch;
2090 const char *StartOfText = StrBufNOTNULL;
2093 int nllen = strlen(nl);
2096 mptr = TheMessage->cm_fields['M'];
2100 while (*mptr != '\0') {
2101 if (*mptr == '\r') {
2108 eoh = (*(mptr+1) == '\r') && (*(mptr+2) == '\n');
2110 eoh = *(mptr+1) == '\n';
2114 StartOfText = strchr(StartOfText, '\n');
2115 StartOfText = strchr(StartOfText, '\n');
2118 if (((headers_only == HEADERS_NONE) && (mptr >= StartOfText)) ||
2119 ((headers_only == HEADERS_ONLY) && (mptr < StartOfText)) ||
2120 ((headers_only != HEADERS_NONE) &&
2121 (headers_only != HEADERS_ONLY))
2123 if (*mptr == '\n') {
2124 memcpy(&outbuf[outlen], nl, nllen);
2126 outbuf[outlen] = '\0';
2129 outbuf[outlen++] = *mptr;
2133 if (flags & ESC_DOT)
2135 if ((prev_ch == '\n') &&
2137 ((*(mptr+1) == '\r') || (*(mptr+1) == '\n')))
2139 outbuf[outlen++] = '.';
2144 if (outlen > 1000) {
2145 client_write(outbuf, outlen);
2150 client_write(outbuf, outlen);
2157 /* If the format type on disk is 1 (fixed-format), then we want
2158 * everything to be output completely literally ... regardless of
2159 * what message transfer format is in use.
2161 void DumpFormatFixed(
2162 struct CtdlMessage *TheMessage,
2163 int mode, /* how would you like that message? */
2170 int nllen = strlen (nl);
2173 mptr = TheMessage->cm_fields['M'];
2175 if (mode == MT_MIME) {
2176 cprintf("Content-type: text/plain\n\n");
2180 while (ch = *mptr++, ch > 0) {
2184 if ((buflen > 250) && (!xlline)){
2188 while ((buflen > 0) &&
2189 (!isspace(buf[buflen])))
2195 mptr -= tbuflen - buflen;
2200 /* if we reach the outer bounds of our buffer,
2201 abort without respect what whe purge. */
2204 (buflen > SIZ - nllen - 2)))
2208 memcpy (&buf[buflen], nl, nllen);
2212 client_write(buf, buflen);
2222 if (!IsEmptyStr(buf))
2223 cprintf("%s%s", buf, nl);
2227 * Get a message off disk. (returns om_* values found in msgbase.h)
2229 int CtdlOutputPreLoadedMsg(
2230 struct CtdlMessage *TheMessage,
2231 int mode, /* how would you like that message? */
2232 int headers_only, /* eschew the message body? */
2233 int do_proto, /* do Citadel protocol responses? */
2234 int crlf, /* Use CRLF newlines instead of LF? */
2235 int flags /* should the bessage be exported clean? */
2239 const char *nl; /* newline string */
2242 /* Buffers needed for RFC822 translation. These are all filled
2243 * using functions that are bounds-checked, and therefore we can
2244 * make them substantially smaller than SIZ.
2252 syslog(LOG_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
2253 ((TheMessage == NULL) ? "NULL" : "not null"),
2254 mode, headers_only, do_proto, crlf);
2256 strcpy(mid, "unknown");
2257 nl = (crlf ? "\r\n" : "\n");
2259 if (!is_valid_message(TheMessage)) {
2261 "ERROR: invalid preloaded message for output\n");
2263 return(om_no_such_msg);
2266 /* Suppress envelope recipients if required to avoid disclosing BCC addresses.
2267 * Pad it with spaces in order to avoid changing the RFC822 length of the message.
2269 if ( (flags & SUPPRESS_ENV_TO) && (TheMessage->cm_fields['V'] != NULL) ) {
2270 memset(TheMessage->cm_fields['V'], ' ', strlen(TheMessage->cm_fields['V']));
2273 /* Are we downloading a MIME component? */
2274 if (mode == MT_DOWNLOAD) {
2275 if (TheMessage->cm_format_type != FMT_RFC822) {
2277 cprintf("%d This is not a MIME message.\n",
2278 ERROR + ILLEGAL_VALUE);
2279 } else if (CC->download_fp != NULL) {
2280 if (do_proto) cprintf(
2281 "%d You already have a download open.\n",
2282 ERROR + RESOURCE_BUSY);
2284 /* Parse the message text component */
2285 mptr = TheMessage->cm_fields['M'];
2286 mime_parser(mptr, NULL, *mime_download, NULL, NULL, NULL, 0);
2287 /* If there's no file open by this time, the requested
2288 * section wasn't found, so print an error
2290 if (CC->download_fp == NULL) {
2291 if (do_proto) cprintf(
2292 "%d Section %s not found.\n",
2293 ERROR + FILE_NOT_FOUND,
2294 CC->download_desired_section);
2297 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2300 /* MT_SPEW_SECTION is like MT_DOWNLOAD except it outputs the whole MIME part
2301 * in a single server operation instead of opening a download file.
2303 if (mode == MT_SPEW_SECTION) {
2304 if (TheMessage->cm_format_type != FMT_RFC822) {
2306 cprintf("%d This is not a MIME message.\n",
2307 ERROR + ILLEGAL_VALUE);
2309 /* Parse the message text component */
2312 mptr = TheMessage->cm_fields['M'];
2313 mime_parser(mptr, NULL, *mime_spew_section, NULL, NULL, (void *)&found_it, 0);
2314 /* If section wasn't found, print an error
2317 if (do_proto) cprintf(
2318 "%d Section %s not found.\n",
2319 ERROR + FILE_NOT_FOUND,
2320 CC->download_desired_section);
2323 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
2326 /* now for the user-mode message reading loops */
2327 if (do_proto) cprintf("%d msg:\n", LISTING_FOLLOWS);
2329 /* Does the caller want to skip the headers? */
2330 if (headers_only == HEADERS_NONE) goto START_TEXT;
2332 /* Tell the client which format type we're using. */
2333 if ( (mode == MT_CITADEL) && (do_proto) ) {
2334 cprintf("type=%d\n", TheMessage->cm_format_type);
2337 /* nhdr=yes means that we're only displaying headers, no body */
2338 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
2339 && ((mode == MT_CITADEL) || (mode == MT_MIME))
2342 cprintf("nhdr=yes\n");
2345 if ((mode == MT_CITADEL) || (mode == MT_MIME))
2346 OutputCtdlMsgHeaders(TheMessage, do_proto);
2349 /* begin header processing loop for RFC822 transfer format */
2353 strcpy(snode, NODENAME);
2354 if (mode == MT_RFC822)
2355 OutputRFC822MsgHeaders(
2360 suser, sizeof(suser),
2361 luser, sizeof(luser),
2362 fuser, sizeof(fuser),
2363 snode, sizeof(snode)
2367 for (i=0; !IsEmptyStr(&suser[i]); ++i) {
2368 suser[i] = tolower(suser[i]);
2369 if (!isalnum(suser[i])) suser[i]='_';
2372 if (mode == MT_RFC822) {
2373 if (!strcasecmp(snode, NODENAME)) {
2374 safestrncpy(snode, FQDN, sizeof snode);
2377 /* Construct a fun message id */
2378 cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
2379 if (strchr(mid, '@')==NULL) {
2380 cprintf("@%s", snode);
2384 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
2385 cprintf("From: \"----\" <x@x.org>%s", nl);
2387 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
2388 cprintf("From: \"anonymous\" <x@x.org>%s", nl);
2390 else if (!IsEmptyStr(fuser)) {
2391 cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
2394 cprintf("From: \"%s\" <%s@%s>%s", luser, suser, snode, nl);
2397 /* Blank line signifying RFC822 end-of-headers */
2398 if (TheMessage->cm_format_type != FMT_RFC822) {
2403 /* end header processing loop ... at this point, we're in the text */
2405 if (headers_only == HEADERS_FAST) goto DONE;
2407 /* Tell the client about the MIME parts in this message */
2408 if (TheMessage->cm_format_type == FMT_RFC822) {
2409 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2410 mptr = TheMessage->cm_fields['M'];
2411 memset(&ma, 0, sizeof(struct ma_info));
2412 mime_parser(mptr, NULL,
2413 (do_proto ? *list_this_part : NULL),
2414 (do_proto ? *list_this_pref : NULL),
2415 (do_proto ? *list_this_suff : NULL),
2418 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
2419 Dump_RFC822HeadersBody(
2428 if (headers_only == HEADERS_ONLY) {
2432 /* signify start of msg text */
2433 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
2434 if (do_proto) cprintf("text\n");
2437 if (TheMessage->cm_format_type == FMT_FIXED)
2440 mode, /* how would you like that message? */
2443 /* If the message on disk is format 0 (Citadel vari-format), we
2444 * output using the formatter at 80 columns. This is the final output
2445 * form if the transfer format is RFC822, but if the transfer format
2446 * is Citadel proprietary, it'll still work, because the indentation
2447 * for new paragraphs is correct and the client will reformat the
2448 * message to the reader's screen width.
2450 if (TheMessage->cm_format_type == FMT_CITADEL) {
2451 mptr = TheMessage->cm_fields['M'];
2453 if (mode == MT_MIME) {
2454 cprintf("Content-type: text/x-citadel-variformat\n\n");
2459 /* If the message on disk is format 4 (MIME), we've gotta hand it
2460 * off to the MIME parser. The client has already been told that
2461 * this message is format 1 (fixed format), so the callback function
2462 * we use will display those parts as-is.
2464 if (TheMessage->cm_format_type == FMT_RFC822) {
2465 memset(&ma, 0, sizeof(struct ma_info));
2467 if (mode == MT_MIME) {
2468 ma.use_fo_hooks = 0;
2469 strcpy(ma.chosen_part, "1");
2470 ma.chosen_pref = 9999;
2471 ma.dont_decode = CC->msg4_dont_decode;
2472 mime_parser(mptr, NULL,
2473 *choose_preferred, *fixed_output_pre,
2474 *fixed_output_post, (void *)&ma, 1);
2475 mime_parser(mptr, NULL,
2476 *output_preferred, NULL, NULL, (void *)&ma, 1);
2479 ma.use_fo_hooks = 1;
2480 mime_parser(mptr, NULL,
2481 *fixed_output, *fixed_output_pre,
2482 *fixed_output_post, (void *)&ma, 0);
2487 DONE: /* now we're done */
2488 if (do_proto) cprintf("000\n");
2494 * display a message (mode 0 - Citadel proprietary)
2496 void cmd_msg0(char *cmdbuf)
2499 int headers_only = HEADERS_ALL;
2501 msgid = extract_long(cmdbuf, 0);
2502 headers_only = extract_int(cmdbuf, 1);
2504 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0, NULL, 0);
2510 * display a message (mode 2 - RFC822)
2512 void cmd_msg2(char *cmdbuf)
2515 int headers_only = HEADERS_ALL;
2517 msgid = extract_long(cmdbuf, 0);
2518 headers_only = extract_int(cmdbuf, 1);
2520 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1, NULL, 0);
2526 * display a message (mode 3 - IGnet raw format - internal programs only)
2528 void cmd_msg3(char *cmdbuf)
2531 struct CtdlMessage *msg = NULL;
2534 if (CC->internal_pgm == 0) {
2535 cprintf("%d This command is for internal programs only.\n",
2536 ERROR + HIGHER_ACCESS_REQUIRED);
2540 msgnum = extract_long(cmdbuf, 0);
2541 msg = CtdlFetchMessage(msgnum, 1);
2543 cprintf("%d Message %ld not found.\n",
2544 ERROR + MESSAGE_NOT_FOUND, msgnum);
2548 serialize_message(&smr, msg);
2549 CtdlFreeMessage(msg);
2552 cprintf("%d Unable to serialize message\n",
2553 ERROR + INTERNAL_ERROR);
2557 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
2558 client_write((char *)smr.ser, (int)smr.len);
2565 * Display a message using MIME content types
2567 void cmd_msg4(char *cmdbuf)
2572 msgid = extract_long(cmdbuf, 0);
2573 extract_token(section, cmdbuf, 1, '|', sizeof section);
2574 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0, (section[0] ? section : NULL) , 0);
2580 * Client tells us its preferred message format(s)
2582 void cmd_msgp(char *cmdbuf)
2584 if (!strcasecmp(cmdbuf, "dont_decode")) {
2585 CC->msg4_dont_decode = 1;
2586 cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
2589 safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
2590 cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
2596 * Open a component of a MIME message as a download file
2598 void cmd_opna(char *cmdbuf)
2601 char desired_section[128];
2603 msgid = extract_long(cmdbuf, 0);
2604 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2605 safestrncpy(CC->download_desired_section, desired_section,
2606 sizeof CC->download_desired_section);
2607 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1, NULL, 0);
2612 * Open a component of a MIME message and transmit it all at once
2614 void cmd_dlat(char *cmdbuf)
2617 char desired_section[128];
2619 msgid = extract_long(cmdbuf, 0);
2620 extract_token(desired_section, cmdbuf, 1, '|', sizeof desired_section);
2621 safestrncpy(CC->download_desired_section, desired_section,
2622 sizeof CC->download_desired_section);
2623 CtdlOutputMsg(msgid, MT_SPEW_SECTION, 0, 1, 1, NULL, 0);
2628 * Save one or more message pointers into a specified room
2629 * (Returns 0 for success, nonzero for failure)
2630 * roomname may be NULL to use the current room
2632 * Note that the 'supplied_msg' field may be set to NULL, in which case
2633 * the message will be fetched from disk, by number, if we need to perform
2634 * replication checks. This adds an additional database read, so if the
2635 * caller already has the message in memory then it should be supplied. (Obviously
2636 * this mode of operation only works if we're saving a single message.)
2638 int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newmsgs,
2639 int do_repl_check, struct CtdlMessage *supplied_msg, int suppress_refcount_adj
2642 char hold_rm[ROOMNAMELEN];
2643 struct cdbdata *cdbfr;
2646 long highest_msg = 0L;
2649 struct CtdlMessage *msg = NULL;
2651 long *msgs_to_be_merged = NULL;
2652 int num_msgs_to_be_merged = 0;
2655 "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d, suppress_rca=%d)\n",
2656 roomname, num_newmsgs, do_repl_check, suppress_refcount_adj
2659 strcpy(hold_rm, CC->room.QRname);
2662 if (newmsgidlist == NULL) return(ERROR + INTERNAL_ERROR);
2663 if (num_newmsgs < 1) return(ERROR + INTERNAL_ERROR);
2664 if (num_newmsgs > 1) supplied_msg = NULL;
2666 /* Now the regular stuff */
2667 if (CtdlGetRoomLock(&CC->room,
2668 ((roomname != NULL) ? roomname : CC->room.QRname) )
2670 syslog(LOG_ERR, "No such room <%s>\n", roomname);
2671 return(ERROR + ROOM_NOT_FOUND);
2675 msgs_to_be_merged = malloc(sizeof(long) * num_newmsgs);
2676 num_msgs_to_be_merged = 0;
2679 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
2680 if (cdbfr == NULL) {
2684 msglist = (long *) cdbfr->ptr;
2685 cdbfr->ptr = NULL; /* CtdlSaveMsgPointerInRoom() now owns this memory */
2686 num_msgs = cdbfr->len / sizeof(long);
2691 /* Create a list of msgid's which were supplied by the caller, but do
2692 * not already exist in the target room. It is absolutely taboo to
2693 * have more than one reference to the same message in a room.
2695 for (i=0; i<num_newmsgs; ++i) {
2697 if (num_msgs > 0) for (j=0; j<num_msgs; ++j) {
2698 if (msglist[j] == newmsgidlist[i]) {
2703 msgs_to_be_merged[num_msgs_to_be_merged++] = newmsgidlist[i];
2707 syslog(LOG_DEBUG, "%d unique messages to be merged\n", num_msgs_to_be_merged);
2710 * Now merge the new messages
2712 msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
2713 if (msglist == NULL) {
2714 syslog(LOG_ALERT, "ERROR: can't realloc message list!\n");
2716 memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
2717 num_msgs += num_msgs_to_be_merged;
2719 /* Sort the message list, so all the msgid's are in order */
2720 num_msgs = sort_msglist(msglist, num_msgs);
2722 /* Determine the highest message number */
2723 highest_msg = msglist[num_msgs - 1];
2725 /* Write it back to disk. */
2726 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, (int)sizeof(long),
2727 msglist, (int)(num_msgs * sizeof(long)));
2729 /* Free up the memory we used. */
2732 /* Update the highest-message pointer and unlock the room. */
2733 CC->room.QRhighest = highest_msg;
2734 CtdlPutRoomLock(&CC->room);
2736 /* Perform replication checks if necessary */
2737 if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
2738 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
2740 for (i=0; i<num_msgs_to_be_merged; ++i) {
2741 msgid = msgs_to_be_merged[i];
2743 if (supplied_msg != NULL) {
2747 msg = CtdlFetchMessage(msgid, 0);
2751 ReplicationChecks(msg);
2753 /* If the message has an Exclusive ID, index that... */
2754 if (msg->cm_fields['E'] != NULL) {
2755 index_message_by_euid(msg->cm_fields['E'], &CC->room, msgid);
2758 /* Free up the memory we may have allocated */
2759 if (msg != supplied_msg) {
2760 CtdlFreeMessage(msg);
2768 syslog(LOG_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
2771 /* Submit this room for processing by hooks */
2772 PerformRoomHooks(&CC->room);
2774 /* Go back to the room we were in before we wandered here... */
2775 CtdlGetRoom(&CC->room, hold_rm);
2777 /* Bump the reference count for all messages which were merged */
2778 if (!suppress_refcount_adj) {
2779 for (i=0; i<num_msgs_to_be_merged; ++i) {
2780 AdjRefCount(msgs_to_be_merged[i], +1);
2784 /* Free up memory... */
2785 if (msgs_to_be_merged != NULL) {
2786 free(msgs_to_be_merged);
2789 /* Return success. */
2795 * This is the same as CtdlSaveMsgPointersInRoom() but it only accepts
2798 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid,
2799 int do_repl_check, struct CtdlMessage *supplied_msg)
2801 return CtdlSaveMsgPointersInRoom(roomname, &msgid, 1, do_repl_check, supplied_msg, 0);
2808 * Message base operation to save a new message to the message store
2809 * (returns new message number)
2811 * This is the back end for CtdlSubmitMsg() and should not be directly
2812 * called by server-side modules.
2815 long send_message(struct CtdlMessage *msg) {
2823 /* Get a new message number */
2824 newmsgid = get_new_message_number();
2825 snprintf(msgidbuf, sizeof msgidbuf, "%010ld@%s", newmsgid, config.c_fqdn);
2827 /* Generate an ID if we don't have one already */
2828 if (msg->cm_fields['I']==NULL) {
2829 msg->cm_fields['I'] = strdup(msgidbuf);
2832 /* If the message is big, set its body aside for storage elsewhere */
2833 if (msg->cm_fields['M'] != NULL) {
2834 if (strlen(msg->cm_fields['M']) > BIGMSG) {
2836 holdM = msg->cm_fields['M'];
2837 msg->cm_fields['M'] = NULL;
2841 /* Serialize our data structure for storage in the database */
2842 serialize_message(&smr, msg);
2845 msg->cm_fields['M'] = holdM;
2849 cprintf("%d Unable to serialize message\n",
2850 ERROR + INTERNAL_ERROR);
2854 /* Write our little bundle of joy into the message base */
2855 if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
2856 smr.ser, smr.len) < 0) {
2857 syslog(LOG_ERR, "Can't store message\n");
2861 cdb_store(CDB_BIGMSGS,
2871 /* Free the memory we used for the serialized message */
2874 /* Return the *local* message ID to the caller
2875 * (even if we're storing an incoming network message)
2883 * Serialize a struct CtdlMessage into the format used on disk and network.
2885 * This function loads up a "struct ser_ret" (defined in server.h) which
2886 * contains the length of the serialized message and a pointer to the
2887 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2889 void serialize_message(struct ser_ret *ret, /* return values */
2890 struct CtdlMessage *msg) /* unserialized msg */
2892 size_t wlen, fieldlen;
2894 static char *forder = FORDER;
2897 * Check for valid message format
2899 if (is_valid_message(msg) == 0) {
2900 syslog(LOG_ERR, "serialize_message() aborting due to invalid message\n");
2907 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
2908 ret->len = ret->len +
2909 strlen(msg->cm_fields[(int)forder[i]]) + 2;
2911 ret->ser = malloc(ret->len);
2912 if (ret->ser == NULL) {
2913 syslog(LOG_ERR, "serialize_message() malloc(%ld) failed: %s\n",
2914 (long)ret->len, strerror(errno));
2921 ret->ser[1] = msg->cm_anon_type;
2922 ret->ser[2] = msg->cm_format_type;
2925 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2926 fieldlen = strlen(msg->cm_fields[(int)forder[i]]);
2927 ret->ser[wlen++] = (char)forder[i];
2928 safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
2929 wlen = wlen + fieldlen + 1;
2931 if (ret->len != wlen) syslog(LOG_ERR, "ERROR: len=%ld wlen=%ld\n",
2932 (long)ret->len, (long)wlen);
2939 * Serialize a struct CtdlMessage into the format used on disk and network.
2941 * This function loads up a "struct ser_ret" (defined in server.h) which
2942 * contains the length of the serialized message and a pointer to the
2943 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
2945 void dump_message(struct CtdlMessage *msg, /* unserialized msg */
2946 long Siz) /* how many chars ? */
2950 static char *forder = FORDER;
2954 * Check for valid message format
2956 if (is_valid_message(msg) == 0) {
2957 syslog(LOG_ERR, "dump_message() aborting due to invalid message\n");
2961 buf = (char*) malloc (Siz + 1);
2965 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
2966 snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i],
2967 msg->cm_fields[(int)forder[i]]);
2968 client_write (buf, strlen(buf));
2977 * Check to see if any messages already exist in the current room which
2978 * carry the same Exclusive ID as this one. If any are found, delete them.
2980 void ReplicationChecks(struct CtdlMessage *msg) {
2981 long old_msgnum = (-1L);
2983 if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
2985 syslog(LOG_DEBUG, "Performing replication checks in <%s>\n",
2988 /* No exclusive id? Don't do anything. */
2989 if (msg == NULL) return;
2990 if (msg->cm_fields['E'] == NULL) return;
2991 if (IsEmptyStr(msg->cm_fields['E'])) return;
2992 /*syslog(LOG_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
2993 msg->cm_fields['E'], CC->room.QRname);*/
2995 old_msgnum = CtdlLocateMessageByEuid(msg->cm_fields['E'], &CC->room);
2996 if (old_msgnum > 0L) {
2997 syslog(LOG_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
2998 CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
3005 * Save a message to disk and submit it into the delivery system.
3007 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
3008 struct recptypes *recps, /* recipients (if mail) */
3009 char *force, /* force a particular room? */
3010 int flags /* should the message be exported clean? */
3012 char submit_filename[128];
3013 char generated_timestamp[32];
3014 char hold_rm[ROOMNAMELEN];
3015 char actual_rm[ROOMNAMELEN];
3016 char force_room[ROOMNAMELEN];
3017 char content_type[SIZ]; /* We have to learn this */
3018 char recipient[SIZ];
3020 const char *mptr = NULL;
3021 struct ctdluser userbuf;
3023 struct MetaData smi;
3024 FILE *network_fp = NULL;
3025 static int seqnum = 1;
3026 struct CtdlMessage *imsg = NULL;
3028 size_t instr_alloc = 0;
3030 char *hold_R, *hold_D;
3031 char *collected_addresses = NULL;
3032 struct addresses_to_be_filed *aptr = NULL;
3033 StrBuf *saved_rfc822_version = NULL;
3034 int qualified_for_journaling = 0;
3035 CitContext *CCC = MyContext();
3036 char bounce_to[1024] = "";
3040 syslog(LOG_DEBUG, "CtdlSubmitMsg() called\n");
3041 if (is_valid_message(msg) == 0) return(-1); /* self check */
3043 /* If this message has no timestamp, we take the liberty of
3044 * giving it one, right now.
3046 if (msg->cm_fields['T'] == NULL) {
3047 snprintf(generated_timestamp, sizeof generated_timestamp, "%ld", (long)time(NULL));
3048 msg->cm_fields['T'] = strdup(generated_timestamp);
3051 /* If this message has no path, we generate one.
3053 if (msg->cm_fields['P'] == NULL) {
3054 if (msg->cm_fields['A'] != NULL) {
3055 msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
3056 for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
3057 if (isspace(msg->cm_fields['P'][a])) {
3058 msg->cm_fields['P'][a] = ' ';
3063 msg->cm_fields['P'] = strdup("unknown");
3067 if (force == NULL) {
3068 strcpy(force_room, "");
3071 strcpy(force_room, force);
3074 /* Learn about what's inside, because it's what's inside that counts */
3075 if (msg->cm_fields['M'] == NULL) {
3076 syslog(LOG_ERR, "ERROR: attempt to save message with NULL body\n");
3080 switch (msg->cm_format_type) {
3082 strcpy(content_type, "text/x-citadel-variformat");
3085 strcpy(content_type, "text/plain");
3088 strcpy(content_type, "text/plain");
3089 mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
3092 safestrncpy(content_type, &mptr[13], sizeof content_type);
3093 striplt(content_type);
3094 aptr = content_type;
3095 while (!IsEmptyStr(aptr)) {
3107 /* Goto the correct room */
3108 syslog(LOG_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
3109 strcpy(hold_rm, CCC->room.QRname);
3110 strcpy(actual_rm, CCC->room.QRname);
3111 if (recps != NULL) {
3112 strcpy(actual_rm, SENTITEMS);
3115 /* If the user is a twit, move to the twit room for posting */
3117 if (CCC->user.axlevel == AxProbU) {
3118 strcpy(hold_rm, actual_rm);
3119 strcpy(actual_rm, config.c_twitroom);
3120 syslog(LOG_DEBUG, "Diverting to twit room\n");
3124 /* ...or if this message is destined for Aide> then go there. */
3125 if (!IsEmptyStr(force_room)) {
3126 strcpy(actual_rm, force_room);
3129 syslog(LOG_DEBUG, "Final selection: %s\n", actual_rm);
3130 if (strcasecmp(actual_rm, CCC->room.QRname)) {
3131 /* CtdlGetRoom(&CCC->room, actual_rm); */
3132 CtdlUserGoto(actual_rm, 0, 1, NULL, NULL);
3136 * If this message has no O (room) field, generate one.
3138 if (msg->cm_fields['O'] == NULL) {
3139 msg->cm_fields['O'] = strdup(CCC->room.QRname);
3142 /* Perform "before save" hooks (aborting if any return nonzero) */
3143 syslog(LOG_DEBUG, "Performing before-save hooks\n");
3144 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
3147 * If this message has an Exclusive ID, and the room is replication
3148 * checking enabled, then do replication checks.
3150 if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
3151 ReplicationChecks(msg);
3154 /* Save it to disk */
3155 syslog(LOG_DEBUG, "Saving to disk\n");
3156 newmsgid = send_message(msg);
3157 if (newmsgid <= 0L) return(-5);
3159 /* Write a supplemental message info record. This doesn't have to
3160 * be a critical section because nobody else knows about this message
3163 syslog(LOG_DEBUG, "Creating MetaData record\n");
3164 memset(&smi, 0, sizeof(struct MetaData));
3165 smi.meta_msgnum = newmsgid;
3166 smi.meta_refcount = 0;
3167 safestrncpy(smi.meta_content_type, content_type,
3168 sizeof smi.meta_content_type);
3171 * Measure how big this message will be when rendered as RFC822.
3172 * We do this for two reasons:
3173 * 1. We need the RFC822 length for the new metadata record, so the
3174 * POP and IMAP services don't have to calculate message lengths
3175 * while the user is waiting (multiplied by potentially hundreds
3176 * or thousands of messages).
3177 * 2. If journaling is enabled, we will need an RFC822 version of the
3178 * message to attach to the journalized copy.
3180 if (CCC->redirect_buffer != NULL) {
3181 syslog(LOG_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
3184 CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
3185 CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
3186 smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
3187 saved_rfc822_version = CCC->redirect_buffer;
3188 CCC->redirect_buffer = NULL;
3192 /* Now figure out where to store the pointers */
3193 syslog(LOG_DEBUG, "Storing pointers\n");
3195 /* If this is being done by the networker delivering a private
3196 * message, we want to BYPASS saving the sender's copy (because there
3197 * is no local sender; it would otherwise go to the Trashcan).
3199 if ((!CCC->internal_pgm) || (recps == NULL)) {
3200 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
3201 syslog(LOG_ERR, "ERROR saving message pointer!\n");
3202 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
3206 /* For internet mail, drop a copy in the outbound queue room */
3207 if ((recps != NULL) && (recps->num_internet > 0)) {
3208 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0, msg);
3211 /* If other rooms are specified, drop them there too. */
3212 if ((recps != NULL) && (recps->num_room > 0))
3213 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
3214 extract_token(recipient, recps->recp_room, i,
3215 '|', sizeof recipient);
3216 syslog(LOG_DEBUG, "Delivering to room <%s>\n", recipient);
3217 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
3220 /* Bump this user's messages posted counter. */
3221 syslog(LOG_DEBUG, "Updating user\n");
3222 CtdlGetUserLock(&CCC->user, CCC->curr_user);
3223 CCC->user.posted = CCC->user.posted + 1;
3224 CtdlPutUserLock(&CCC->user);
3226 /* Decide where bounces need to be delivered */
3227 if ((recps != NULL) && (recps->bounce_to != NULL)) {
3228 safestrncpy(bounce_to, recps->bounce_to, sizeof bounce_to);
3230 else if (CCC->logged_in) {
3231 snprintf(bounce_to, sizeof bounce_to, "%s@%s", CCC->user.fullname, config.c_nodename);
3234 snprintf(bounce_to, sizeof bounce_to, "%s@%s", msg->cm_fields['A'], msg->cm_fields['N']);
3237 /* If this is private, local mail, make a copy in the
3238 * recipient's mailbox and bump the reference count.
3240 if ((recps != NULL) && (recps->num_local > 0))
3241 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
3242 extract_token(recipient, recps->recp_local, i,
3243 '|', sizeof recipient);
3244 syslog(LOG_DEBUG, "Delivering private local mail to <%s>\n",
3246 if (CtdlGetUser(&userbuf, recipient) == 0) {
3247 // Add a flag so the Funambol module knows its mail
3248 msg->cm_fields['W'] = strdup(recipient);
3249 CtdlMailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
3250 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
3251 CtdlBumpNewMailCounter(userbuf.usernum);
3252 if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
3253 /* Generate a instruction message for the Funambol notification
3254 * server, in the same style as the SMTP queue
3257 instr = malloc(instr_alloc);
3258 snprintf(instr, instr_alloc,
3259 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3261 SPOOLMIME, newmsgid, (long)time(NULL),
3265 imsg = malloc(sizeof(struct CtdlMessage));
3266 memset(imsg, 0, sizeof(struct CtdlMessage));
3267 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3268 imsg->cm_anon_type = MES_NORMAL;
3269 imsg->cm_format_type = FMT_RFC822;
3270 imsg->cm_fields['A'] = strdup("Citadel");
3271 imsg->cm_fields['J'] = strdup("do not journal");
3272 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3273 imsg->cm_fields['W'] = strdup(recipient);
3274 CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
3275 CtdlFreeMessage(imsg);
3279 syslog(LOG_DEBUG, "No user <%s>\n", recipient);
3280 CtdlSaveMsgPointerInRoom(config.c_aideroom,
3285 /* Perform "after save" hooks */
3286 syslog(LOG_DEBUG, "Performing after-save hooks\n");
3287 PerformMessageHooks(msg, EVT_AFTERSAVE);
3289 /* For IGnet mail, we have to save a new copy into the spooler for
3290 * each recipient, with the R and D fields set to the recipient and
3291 * destination-node. This has two ugly side effects: all other
3292 * recipients end up being unlisted in this recipient's copy of the
3293 * message, and it has to deliver multiple messages to the same
3294 * node. We'll revisit this again in a year or so when everyone has
3295 * a network spool receiver that can handle the new style messages.
3297 if ((recps != NULL) && (recps->num_ignet > 0))
3298 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
3299 extract_token(recipient, recps->recp_ignet, i,
3300 '|', sizeof recipient);
3302 hold_R = msg->cm_fields['R'];
3303 hold_D = msg->cm_fields['D'];
3304 msg->cm_fields['R'] = malloc(SIZ);
3305 msg->cm_fields['D'] = malloc(128);
3306 extract_token(msg->cm_fields['R'], recipient, 0, '@', SIZ);
3307 extract_token(msg->cm_fields['D'], recipient, 1, '@', 128);
3309 serialize_message(&smr, msg);
3311 snprintf(submit_filename, sizeof submit_filename,
3312 "%s/netmail.%04lx.%04x.%04x",
3314 (long) getpid(), CCC->cs_pid, ++seqnum);
3315 network_fp = fopen(submit_filename, "wb+");
3316 if (network_fp != NULL) {
3317 rv = fwrite(smr.ser, smr.len, 1, network_fp);
3323 free(msg->cm_fields['R']);
3324 free(msg->cm_fields['D']);
3325 msg->cm_fields['R'] = hold_R;
3326 msg->cm_fields['D'] = hold_D;
3329 /* Go back to the room we started from */
3330 syslog(LOG_DEBUG, "Returning to original room %s\n", hold_rm);
3331 if (strcasecmp(hold_rm, CCC->room.QRname))
3332 CtdlUserGoto(hold_rm, 0, 1, NULL, NULL);
3334 /* For internet mail, generate delivery instructions.
3335 * Yes, this is recursive. Deal with it. Infinite recursion does
3336 * not happen because the delivery instructions message does not
3337 * contain a recipient.
3339 if ((recps != NULL) && (recps->num_internet > 0)) {
3340 syslog(LOG_DEBUG, "Generating delivery instructions\n");
3342 instr = malloc(instr_alloc);
3343 snprintf(instr, instr_alloc,
3344 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
3346 SPOOLMIME, newmsgid, (long)time(NULL),
3350 if (recps->envelope_from != NULL) {
3351 tmp = strlen(instr);
3352 snprintf(&instr[tmp], instr_alloc-tmp, "envelope_from|%s\n", recps->envelope_from);
3355 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
3356 tmp = strlen(instr);
3357 extract_token(recipient, recps->recp_internet, i, '|', sizeof recipient);
3358 if ((tmp + strlen(recipient) + 32) > instr_alloc) {
3359 instr_alloc = instr_alloc * 2;
3360 instr = realloc(instr, instr_alloc);
3362 snprintf(&instr[tmp], instr_alloc - tmp, "remote|%s|0||\n", recipient);
3365 imsg = malloc(sizeof(struct CtdlMessage));
3366 memset(imsg, 0, sizeof(struct CtdlMessage));
3367 imsg->cm_magic = CTDLMESSAGE_MAGIC;
3368 imsg->cm_anon_type = MES_NORMAL;
3369 imsg->cm_format_type = FMT_RFC822;
3370 imsg->cm_fields['A'] = strdup("Citadel");
3371 imsg->cm_fields['J'] = strdup("do not journal");
3372 imsg->cm_fields['M'] = instr; /* imsg owns this memory now */
3373 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
3374 CtdlFreeMessage(imsg);
3378 * Any addresses to harvest for someone's address book?
3380 if ( (CCC->logged_in) && (recps != NULL) ) {
3381 collected_addresses = harvest_collected_addresses(msg);
3384 if (collected_addresses != NULL) {
3385 aptr = (struct addresses_to_be_filed *)
3386 malloc(sizeof(struct addresses_to_be_filed));
3387 CtdlMailboxName(actual_rm, sizeof actual_rm,
3388 &CCC->user, USERCONTACTSROOM);
3389 aptr->roomname = strdup(actual_rm);
3390 aptr->collected_addresses = collected_addresses;
3391 begin_critical_section(S_ATBF);
3394 end_critical_section(S_ATBF);
3398 * Determine whether this message qualifies for journaling.
3400 if (msg->cm_fields['J'] != NULL) {
3401 qualified_for_journaling = 0;
3404 if (recps == NULL) {
3405 qualified_for_journaling = config.c_journal_pubmsgs;
3407 else if (recps->num_local + recps->num_ignet + recps->num_internet > 0) {
3408 qualified_for_journaling = config.c_journal_email;
3411 qualified_for_journaling = config.c_journal_pubmsgs;
3416 * Do we have to perform journaling? If so, hand off the saved
3417 * RFC822 version will be handed off to the journaler for background
3418 * submit. Otherwise, we have to free the memory ourselves.
3420 if (saved_rfc822_version != NULL) {
3421 if (qualified_for_journaling) {
3422 JournalBackgroundSubmit(msg, saved_rfc822_version, recps);
3425 FreeStrBuf(&saved_rfc822_version);
3435 void aide_message (char *text, char *subject)
3437 quickie_message("Citadel",NULL,NULL,AIDEROOM,text,FMT_CITADEL,subject);
3442 * Convenience function for generating small administrative messages.
3444 void quickie_message(const char *from, const char *fromaddr, char *to, char *room, const char *text,
3445 int format_type, const char *subject)
3447 struct CtdlMessage *msg;
3448 struct recptypes *recp = NULL;
3450 msg = malloc(sizeof(struct CtdlMessage));
3451 memset(msg, 0, sizeof(struct CtdlMessage));
3452 msg->cm_magic = CTDLMESSAGE_MAGIC;
3453 msg->cm_anon_type = MES_NORMAL;
3454 msg->cm_format_type = format_type;
3457 msg->cm_fields['A'] = strdup(from);
3459 else if (fromaddr != NULL) {
3460 msg->cm_fields['A'] = strdup(fromaddr);
3461 if (strchr(msg->cm_fields['A'], '@')) {
3462 *strchr(msg->cm_fields['A'], '@') = 0;
3466 msg->cm_fields['A'] = strdup("Citadel");
3469 if (fromaddr != NULL) msg->cm_fields['F'] = strdup(fromaddr);
3470 if (room != NULL) msg->cm_fields['O'] = strdup(room);
3471 msg->cm_fields['N'] = strdup(NODENAME);
3473 msg->cm_fields['R'] = strdup(to);
3474 recp = validate_recipients(to, NULL, 0);
3476 if (subject != NULL) {
3477 msg->cm_fields['U'] = strdup(subject);
3479 msg->cm_fields['M'] = strdup(text);
3481 CtdlSubmitMsg(msg, recp, room, 0);
3482 CtdlFreeMessage(msg);
3483 if (recp != NULL) free_recipients(recp);
3489 * Back end function used by CtdlMakeMessage() and similar functions
3491 StrBuf *CtdlReadMessageBodyBuf(char *terminator, /* token signalling EOT */
3493 size_t maxlen, /* maximum message length */
3494 char *exist, /* if non-null, append to it;
3495 exist is ALWAYS freed */
3496 int crlf, /* CRLF newlines instead of LF */
3497 int *sock /* socket handle or 0 for this session's client socket */
3506 LineBuf = NewStrBufPlain(NULL, SIZ);
3507 if (exist == NULL) {
3508 Message = NewStrBufPlain(NULL, 4 * SIZ);
3511 Message = NewStrBufPlain(exist, -1);
3515 /* Do we need to change leading ".." to "." for SMTP escaping? */
3516 if ((tlen == 1) && (*terminator == '.')) {
3520 /* read in the lines of message text one by one */
3523 if ((CtdlSockGetLine(sock, LineBuf, 5) < 0) ||
3528 if (CtdlClientGetLine(LineBuf) < 0) finished = 1;
3530 if ((StrLength(LineBuf) == tlen) &&
3531 (!strcmp(ChrPtr(LineBuf), terminator)))
3534 if ( (!flushing) && (!finished) ) {
3536 StrBufAppendBufPlain(LineBuf, HKEY("\r\n"), 0);
3539 StrBufAppendBufPlain(LineBuf, HKEY("\n"), 0);
3542 /* Unescape SMTP-style input of two dots at the beginning of the line */
3544 (StrLength(LineBuf) == 2) &&
3545 (!strcmp(ChrPtr(LineBuf), "..")))
3547 StrBufCutLeft(LineBuf, 1);
3550 StrBufAppendBuf(Message, LineBuf, 0);
3553 /* if we've hit the max msg length, flush the rest */
3554 if (StrLength(Message) >= maxlen) flushing = 1;
3556 } while (!finished);
3557 FreeStrBuf(&LineBuf);
3563 * Back end function used by CtdlMakeMessage() and similar functions
3565 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
3567 size_t maxlen, /* maximum message length */
3568 char *exist, /* if non-null, append to it;
3569 exist is ALWAYS freed */
3570 int crlf, /* CRLF newlines instead of LF */
3571 int *sock /* socket handle or 0 for this session's client socket */
3576 Message = CtdlReadMessageBodyBuf(terminator,
3582 if (Message == NULL)
3585 return SmashStrBuf(&Message);
3590 * Build a binary message to be saved on disk.
3591 * (NOTE: if you supply 'preformatted_text', the buffer you give it
3592 * will become part of the message. This means you are no longer
3593 * responsible for managing that memory -- it will be freed along with
3594 * the rest of the fields when CtdlFreeMessage() is called.)
3597 struct CtdlMessage *CtdlMakeMessage(
3598 struct ctdluser *author, /* author's user structure */
3599 char *recipient, /* NULL if it's not mail */
3600 char *recp_cc, /* NULL if it's not mail */
3601 char *room, /* room where it's going */
3602 int type, /* see MES_ types in header file */
3603 int format_type, /* variformat, plain text, MIME... */
3604 char *fake_name, /* who we're masquerading as */
3605 char *my_email, /* which of my email addresses to use (empty is ok) */
3606 char *subject, /* Subject (optional) */
3607 char *supplied_euid, /* ...or NULL if this is irrelevant */
3608 char *preformatted_text, /* ...or NULL to read text from client */
3609 char *references /* Thread references */
3611 char dest_node[256];
3613 struct CtdlMessage *msg;
3615 StrBuf *FakeEncAuthor = NULL;
3617 msg = malloc(sizeof(struct CtdlMessage));
3618 memset(msg, 0, sizeof(struct CtdlMessage));
3619 msg->cm_magic = CTDLMESSAGE_MAGIC;
3620 msg->cm_anon_type = type;
3621 msg->cm_format_type = format_type;
3623 /* Don't confuse the poor folks if it's not routed mail. */
3624 strcpy(dest_node, "");
3626 if (recipient != NULL) striplt(recipient);
3627 if (recp_cc != NULL) striplt(recp_cc);
3629 /* Path or Return-Path */
3630 if (my_email == NULL) my_email = "";
3632 if (!IsEmptyStr(my_email)) {
3633 msg->cm_fields['P'] = strdup(my_email);
3636 snprintf(buf, sizeof buf, "%s", author->fullname);
3637 msg->cm_fields['P'] = strdup(buf);
3639 convert_spaces_to_underscores(msg->cm_fields['P']);
3641 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
3642 msg->cm_fields['T'] = strdup(buf);
3644 if ((fake_name != NULL) && (fake_name[0])) { /* author */
3645 FakeAuthor = NewStrBufPlain (fake_name, -1);
3648 FakeAuthor = NewStrBufPlain (author->fullname, -1);
3650 StrBufRFC2047encode(&FakeEncAuthor, FakeAuthor);
3651 msg->cm_fields['A'] = SmashStrBuf(&FakeEncAuthor);
3652 FreeStrBuf(&FakeAuthor);
3654 if (CC->room.QRflags & QR_MAILBOX) { /* room */
3655 msg->cm_fields['O'] = strdup(&CC->room.QRname[11]);
3658 msg->cm_fields['O'] = strdup(CC->room.QRname);
3661 msg->cm_fields['N'] = strdup(NODENAME); /* nodename */
3662 msg->cm_fields['H'] = strdup(HUMANNODE); /* hnodename */
3664 if ((recipient != NULL) && (recipient[0] != 0)) {
3665 msg->cm_fields['R'] = strdup(recipient);
3667 if ((recp_cc != NULL) && (recp_cc[0] != 0)) {
3668 msg->cm_fields['Y'] = strdup(recp_cc);
3670 if (dest_node[0] != 0) {
3671 msg->cm_fields['D'] = strdup(dest_node);
3674 if (!IsEmptyStr(my_email)) {
3675 msg->cm_fields['F'] = strdup(my_email);
3677 else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
3678 msg->cm_fields['F'] = strdup(CC->cs_inet_email);
3681 if (subject != NULL) {
3684 length = strlen(subject);
3690 while ((subject[i] != '\0') &&
3691 (IsAscii = isascii(subject[i]) != 0 ))
3694 msg->cm_fields['U'] = strdup(subject);
3695 else /* ok, we've got utf8 in the string. */
3697 msg->cm_fields['U'] = rfc2047encode(subject, length);
3703 if (supplied_euid != NULL) {
3704 msg->cm_fields['E'] = strdup(supplied_euid);
3707 if (references != NULL) {
3708 if (!IsEmptyStr(references)) {
3709 msg->cm_fields['W'] = strdup(references);
3713 if (preformatted_text != NULL) {
3714 msg->cm_fields['M'] = preformatted_text;
3717 msg->cm_fields['M'] = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
3725 * Check to see whether we have permission to post a message in the current
3726 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
3727 * returns 0 on success.
3729 int CtdlDoIHavePermissionToPostInThisRoom(
3732 const char* RemoteIdentifier,
3738 if (!(CC->logged_in) &&
3739 (PostPublic == POST_LOGGED_IN)) {
3740 snprintf(errmsgbuf, n, "Not logged in.");
3741 return (ERROR + NOT_LOGGED_IN);
3743 else if (PostPublic == CHECK_EXISTANCE) {
3744 return (0); // We're Evaling whether a recipient exists
3746 else if (!(CC->logged_in)) {
3748 if ((CC->room.QRflags & QR_READONLY)) {
3749 snprintf(errmsgbuf, n, "Not logged in.");
3750 return (ERROR + NOT_LOGGED_IN);
3752 if (CC->room.QRflags2 & QR2_MODERATED) {
3753 snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
3754 return (ERROR + NOT_LOGGED_IN);
3756 if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
3761 if (RemoteIdentifier == NULL)
3763 snprintf(errmsgbuf, n, "Need sender to permit access.");
3764 return (ERROR + USERNAME_REQUIRED);
3767 assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
3768 begin_critical_section(S_NETCONFIGS);
3769 if (!read_spoolcontrol_file(&sc, filename))
3771 end_critical_section(S_NETCONFIGS);
3772 snprintf(errmsgbuf, n,
3773 "This mailing list only accepts posts from subscribers.");
3774 return (ERROR + NO_SUCH_USER);
3776 end_critical_section(S_NETCONFIGS);
3777 found = is_recipient (sc, RemoteIdentifier);
3778 free_spoolcontrol_struct(&sc);
3783 snprintf(errmsgbuf, n,
3784 "This mailing list only accepts posts from subscribers.");
3785 return (ERROR + NO_SUCH_USER);
3792 if ((CC->user.axlevel < AxProbU)
3793 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
3794 snprintf(errmsgbuf, n, "Need to be validated to enter "
3795 "(except in %s> to sysop)", MAILROOM);
3796 return (ERROR + HIGHER_ACCESS_REQUIRED);
3799 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
3801 if ( (!(ra & UA_POSTALLOWED)) && (ra & UA_REPLYALLOWED) && (!is_reply) ) {
3803 * To be thorough, we ought to check to see if the message they are
3804 * replying to is actually a valid one in this room, but unless this
3805 * actually becomes a problem we'll go with high performance instead.
3807 snprintf(errmsgbuf, n, "You may only reply to existing messages here.");
3808 return (ERROR + HIGHER_ACCESS_REQUIRED);
3811 else if (!(ra & UA_POSTALLOWED)) {
3812 snprintf(errmsgbuf, n, "Higher access is required to post in this room.");
3813 return (ERROR + HIGHER_ACCESS_REQUIRED);
3816 strcpy(errmsgbuf, "Ok");
3822 * Check to see if the specified user has Internet mail permission
3823 * (returns nonzero if permission is granted)
3825 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
3827 /* Do not allow twits to send Internet mail */
3828 if (who->axlevel <= AxProbU) return(0);
3830 /* Globally enabled? */
3831 if (config.c_restrict == 0) return(1);
3833 /* User flagged ok? */
3834 if (who->flags & US_INTERNET) return(2);
3836 /* Aide level access? */
3837 if (who->axlevel >= AxAideU) return(3);
3839 /* No mail for you! */
3845 * Validate recipients, count delivery types and errors, and handle aliasing
3846 * FIXME check for dupes!!!!!
3848 * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
3849 * were specified, or the number of addresses found invalid.
3851 * Caller needs to free the result using free_recipients()
3853 struct recptypes *validate_recipients(const char *supplied_recipients,
3854 const char *RemoteIdentifier,
3856 struct recptypes *ret;
3857 char *recipients = NULL;
3858 char this_recp[256];
3859 char this_recp_cooked[256];
3865 struct ctdluser tempUS;
3866 struct ctdlroom tempQR;
3867 struct ctdlroom tempQR2;
3873 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
3874 if (ret == NULL) return(NULL);
3876 /* Set all strings to null and numeric values to zero */
3877 memset(ret, 0, sizeof(struct recptypes));
3879 if (supplied_recipients == NULL) {
3880 recipients = strdup("");
3883 recipients = strdup(supplied_recipients);
3886 /* Allocate some memory. Yes, this allocates 500% more memory than we will
3887 * actually need, but it's healthier for the heap than doing lots of tiny
3888 * realloc() calls instead.
3891 ret->errormsg = malloc(strlen(recipients) + 1024);
3892 ret->recp_local = malloc(strlen(recipients) + 1024);
3893 ret->recp_internet = malloc(strlen(recipients) + 1024);
3894 ret->recp_ignet = malloc(strlen(recipients) + 1024);
3895 ret->recp_room = malloc(strlen(recipients) + 1024);
3896 ret->display_recp = malloc(strlen(recipients) + 1024);
3898 ret->errormsg[0] = 0;
3899 ret->recp_local[0] = 0;
3900 ret->recp_internet[0] = 0;
3901 ret->recp_ignet[0] = 0;
3902 ret->recp_room[0] = 0;
3903 ret->display_recp[0] = 0;
3905 ret->recptypes_magic = RECPTYPES_MAGIC;
3907 /* Change all valid separator characters to commas */
3908 for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
3909 if ((recipients[i] == ';') || (recipients[i] == '|')) {
3910 recipients[i] = ',';
3914 /* Now start extracting recipients... */
3916 while (!IsEmptyStr(recipients)) {
3918 for (i=0; i<=strlen(recipients); ++i) {
3919 if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
3920 if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
3921 safestrncpy(this_recp, recipients, i+1);
3923 if (recipients[i] == ',') {
3924 strcpy(recipients, &recipients[i+1]);
3927 strcpy(recipients, "");
3934 if (IsEmptyStr(this_recp))
3936 syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
3938 mailtype = alias(this_recp);
3939 mailtype = alias(this_recp);
3940 mailtype = alias(this_recp);
3942 for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
3943 if (this_recp[j]=='_') {
3944 this_recp_cooked[j] = ' ';
3947 this_recp_cooked[j] = this_recp[j];
3950 this_recp_cooked[j] = '\0';
3955 if (!strcasecmp(this_recp, "sysop")) {
3957 strcpy(this_recp, config.c_aideroom);
3958 if (!IsEmptyStr(ret->recp_room)) {
3959 strcat(ret->recp_room, "|");
3961 strcat(ret->recp_room, this_recp);
3963 else if ( (!strncasecmp(this_recp, "room_", 5))
3964 && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
3966 /* Save room so we can restore it later */
3970 /* Check permissions to send mail to this room */
3971 err = CtdlDoIHavePermissionToPostInThisRoom(
3976 0 /* 0 = not a reply */
3985 if (!IsEmptyStr(ret->recp_room)) {
3986 strcat(ret->recp_room, "|");
3988 strcat(ret->recp_room, &this_recp_cooked[5]);
3991 /* Restore room in case something needs it */
3995 else if (CtdlGetUser(&tempUS, this_recp) == 0) {
3997 strcpy(this_recp, tempUS.fullname);
3998 if (!IsEmptyStr(ret->recp_local)) {
3999 strcat(ret->recp_local, "|");
4001 strcat(ret->recp_local, this_recp);
4003 else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
4005 strcpy(this_recp, tempUS.fullname);
4006 if (!IsEmptyStr(ret->recp_local)) {
4007 strcat(ret->recp_local, "|");
4009 strcat(ret->recp_local, this_recp);
4017 /* Yes, you're reading this correctly: if the target
4018 * domain points back to the local system or an attached
4019 * Citadel directory, the address is invalid. That's
4020 * because if the address were valid, we would have
4021 * already translated it to a local address by now.
4023 if (IsDirectory(this_recp, 0)) {
4028 ++ret->num_internet;
4029 if (!IsEmptyStr(ret->recp_internet)) {
4030 strcat(ret->recp_internet, "|");
4032 strcat(ret->recp_internet, this_recp);
4037 if (!IsEmptyStr(ret->recp_ignet)) {
4038 strcat(ret->recp_ignet, "|");
4040 strcat(ret->recp_ignet, this_recp);
4048 if (IsEmptyStr(errmsg)) {
4049 snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
4052 snprintf(append, sizeof append, "%s", errmsg);
4054 if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
4055 if (!IsEmptyStr(ret->errormsg)) {
4056 strcat(ret->errormsg, "; ");
4058 strcat(ret->errormsg, append);
4062 if (IsEmptyStr(ret->display_recp)) {
4063 strcpy(append, this_recp);
4066 snprintf(append, sizeof append, ", %s", this_recp);
4068 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
4069 strcat(ret->display_recp, append);
4074 if ((ret->num_local + ret->num_internet + ret->num_ignet +
4075 ret->num_room + ret->num_error) == 0) {
4076 ret->num_error = (-1);
4077 strcpy(ret->errormsg, "No recipients specified.");
4080 syslog(LOG_DEBUG, "validate_recipients()\n");
4081 syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
4082 syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
4083 syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
4084 syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
4085 syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
4093 * Destructor for struct recptypes
4095 void free_recipients(struct recptypes *valid) {
4097 if (valid == NULL) {
4101 if (valid->recptypes_magic != RECPTYPES_MAGIC) {
4102 syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
4106 if (valid->errormsg != NULL) free(valid->errormsg);
4107 if (valid->recp_local != NULL) free(valid->recp_local);
4108 if (valid->recp_internet != NULL) free(valid->recp_internet);
4109 if (valid->recp_ignet != NULL) free(valid->recp_ignet);
4110 if (valid->recp_room != NULL) free(valid->recp_room);
4111 if (valid->display_recp != NULL) free(valid->display_recp);
4112 if (valid->bounce_to != NULL) free(valid->bounce_to);
4113 if (valid->envelope_from != NULL) free(valid->envelope_from);
4120 * message entry - mode 0 (normal)
4122 void cmd_ent0(char *entargs)
4128 char supplied_euid[128];
4130 int format_type = 0;
4131 char newusername[256];
4132 char newuseremail[256];
4133 struct CtdlMessage *msg;
4137 struct recptypes *valid = NULL;
4138 struct recptypes *valid_to = NULL;
4139 struct recptypes *valid_cc = NULL;
4140 struct recptypes *valid_bcc = NULL;
4142 int subject_required = 0;
4147 int newuseremail_ok = 0;
4148 char references[SIZ];
4153 post = extract_int(entargs, 0);
4154 extract_token(recp, entargs, 1, '|', sizeof recp);
4155 anon_flag = extract_int(entargs, 2);
4156 format_type = extract_int(entargs, 3);
4157 extract_token(subject, entargs, 4, '|', sizeof subject);
4158 extract_token(newusername, entargs, 5, '|', sizeof newusername);
4159 do_confirm = extract_int(entargs, 6);
4160 extract_token(cc, entargs, 7, '|', sizeof cc);
4161 extract_token(bcc, entargs, 8, '|', sizeof bcc);
4162 switch(CC->room.QRdefaultview) {
4165 extract_token(supplied_euid, entargs, 9, '|', sizeof supplied_euid);
4168 supplied_euid[0] = 0;
4171 extract_token(newuseremail, entargs, 10, '|', sizeof newuseremail);
4172 extract_token(references, entargs, 11, '|', sizeof references);
4173 for (ptr=references; *ptr != 0; ++ptr) {
4174 if (*ptr == '!') *ptr = '|';
4177 /* first check to make sure the request is valid. */
4179 err = CtdlDoIHavePermissionToPostInThisRoom(
4184 (!IsEmptyStr(references)) /* is this a reply? or a top-level post? */
4188 cprintf("%d %s\n", err, errmsg);
4192 /* Check some other permission type things. */
4194 if (IsEmptyStr(newusername)) {
4195 strcpy(newusername, CC->user.fullname);
4197 if ( (CC->user.axlevel < AxAideU)
4198 && (strcasecmp(newusername, CC->user.fullname))
4199 && (strcasecmp(newusername, CC->cs_inet_fn))
4201 cprintf("%d You don't have permission to author messages as '%s'.\n",
4202 ERROR + HIGHER_ACCESS_REQUIRED,
4209 if (IsEmptyStr(newuseremail)) {
4210 newuseremail_ok = 1;
4213 if (!IsEmptyStr(newuseremail)) {
4214 if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
4215 newuseremail_ok = 1;
4217 else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
4218 j = num_tokens(CC->cs_inet_other_emails, '|');
4219 for (i=0; i<j; ++i) {
4220 extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
4221 if (!strcasecmp(newuseremail, buf)) {
4222 newuseremail_ok = 1;
4228 if (!newuseremail_ok) {
4229 cprintf("%d You don't have permission to author messages as '%s'.\n",
4230 ERROR + HIGHER_ACCESS_REQUIRED,
4236 CC->cs_flags |= CS_POSTING;
4238 /* In mailbox rooms we have to behave a little differently --
4239 * make sure the user has specified at least one recipient. Then
4240 * validate the recipient(s). We do this for the Mail> room, as
4241 * well as any room which has the "Mailbox" view set - unless it
4242 * is the DRAFTS room which does not require recipients
4245 if ( ( ( (CC->room.QRflags & QR_MAILBOX) && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) )
4246 || ( (CC->room.QRflags & QR_MAILBOX) && (CC->curr_view == VIEW_MAILBOX) )
4247 ) && (strcasecmp(&CC->room.QRname[11], USERDRAFTROOM)) !=0 ) {
4248 if (CC->user.axlevel < AxProbU) {
4249 strcpy(recp, "sysop");
4254 valid_to = validate_recipients(recp, NULL, 0);
4255 if (valid_to->num_error > 0) {
4256 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
4257 free_recipients(valid_to);
4261 valid_cc = validate_recipients(cc, NULL, 0);
4262 if (valid_cc->num_error > 0) {
4263 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
4264 free_recipients(valid_to);
4265 free_recipients(valid_cc);
4269 valid_bcc = validate_recipients(bcc, NULL, 0);
4270 if (valid_bcc->num_error > 0) {
4271 cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
4272 free_recipients(valid_to);
4273 free_recipients(valid_cc);
4274 free_recipients(valid_bcc);
4278 /* Recipient required, but none were specified */
4279 if ( (valid_to->num_error < 0) && (valid_cc->num_error < 0) && (valid_bcc->num_error < 0) ) {
4280 free_recipients(valid_to);
4281 free_recipients(valid_cc);
4282 free_recipients(valid_bcc);
4283 cprintf("%d At least one recipient is required.\n", ERROR + NO_SUCH_USER);
4287 if (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0) {
4288 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
4289 cprintf("%d You do not have permission "
4290 "to send Internet mail.\n",
4291 ERROR + HIGHER_ACCESS_REQUIRED);
4292 free_recipients(valid_to);
4293 free_recipients(valid_cc);
4294 free_recipients(valid_bcc);
4299 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)
4300 && (CC->user.axlevel < AxNetU) ) {
4301 cprintf("%d Higher access required for network mail.\n",
4302 ERROR + HIGHER_ACCESS_REQUIRED);
4303 free_recipients(valid_to);
4304 free_recipients(valid_cc);
4305 free_recipients(valid_bcc);
4309 if ((RESTRICT_INTERNET == 1)
4310 && (valid_to->num_internet + valid_cc->num_internet + valid_bcc->num_internet > 0)
4311 && ((CC->user.flags & US_INTERNET) == 0)
4312 && (!CC->internal_pgm)) {
4313 cprintf("%d You don't have access to Internet mail.\n",
4314 ERROR + HIGHER_ACCESS_REQUIRED);
4315 free_recipients(valid_to);
4316 free_recipients(valid_cc);
4317 free_recipients(valid_bcc);
4323 /* Is this a room which has anonymous-only or anonymous-option? */
4324 anonymous = MES_NORMAL;
4325 if (CC->room.QRflags & QR_ANONONLY) {
4326 anonymous = MES_ANONONLY;
4328 if (CC->room.QRflags & QR_ANONOPT) {
4329 if (anon_flag == 1) { /* only if the user requested it */
4330 anonymous = MES_ANONOPT;
4334 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
4338 /* Recommend to the client that the use of a message subject is
4339 * strongly recommended in this room, if either the SUBJECTREQ flag
4340 * is set, or if there is one or more Internet email recipients.
4342 if (CC->room.QRflags2 & QR2_SUBJECTREQ) subject_required = 1;
4343 if ((valid_to) && (valid_to->num_internet > 0)) subject_required = 1;
4344 if ((valid_cc) && (valid_cc->num_internet > 0)) subject_required = 1;
4345 if ((valid_bcc) && (valid_bcc->num_internet > 0)) subject_required = 1;
4347 /* If we're only checking the validity of the request, return
4348 * success without creating the message.
4351 cprintf("%d %s|%d\n", CIT_OK,
4352 ((valid_to != NULL) ? valid_to->display_recp : ""),
4354 free_recipients(valid_to);
4355 free_recipients(valid_cc);
4356 free_recipients(valid_bcc);
4360 /* We don't need these anymore because we'll do it differently below */
4361 free_recipients(valid_to);
4362 free_recipients(valid_cc);
4363 free_recipients(valid_bcc);
4365 /* Read in the message from the client. */
4367 cprintf("%d send message\n", START_CHAT_MODE);
4369 cprintf("%d send message\n", SEND_LISTING);
4372 msg = CtdlMakeMessage(&CC->user, recp, cc,
4373 CC->room.QRname, anonymous, format_type,
4374 newusername, newuseremail, subject,
4375 ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
4378 /* Put together one big recipients struct containing to/cc/bcc all in
4379 * one. This is for the envelope.
4381 char *all_recps = malloc(SIZ * 3);
4382 strcpy(all_recps, recp);
4383 if (!IsEmptyStr(cc)) {
4384 if (!IsEmptyStr(all_recps)) {
4385 strcat(all_recps, ",");
4387 strcat(all_recps, cc);
4389 if (!IsEmptyStr(bcc)) {
4390 if (!IsEmptyStr(all_recps)) {
4391 strcat(all_recps, ",");
4393 strcat(all_recps, bcc);
4395 if (!IsEmptyStr(all_recps)) {
4396 valid = validate_recipients(all_recps, NULL, 0);
4404 msgnum = CtdlSubmitMsg(msg, valid, "", QP_EADDR);
4407 cprintf("%ld\n", msgnum);
4409 cprintf("Message accepted.\n");
4412 cprintf("Internal error.\n");
4414 if (msg->cm_fields['E'] != NULL) {
4415 cprintf("%s\n", msg->cm_fields['E']);
4422 CtdlFreeMessage(msg);
4424 if (valid != NULL) {
4425 free_recipients(valid);
4433 * API function to delete messages which match a set of criteria
4434 * (returns the actual number of messages deleted)
4436 int CtdlDeleteMessages(char *room_name, /* which room */
4437 long *dmsgnums, /* array of msg numbers to be deleted */
4438 int num_dmsgnums, /* number of msgs to be deleted, or 0 for "any" */
4439 char *content_type /* or "" for any. regular expressions expected. */
4442 struct ctdlroom qrbuf;
4443 struct cdbdata *cdbfr;
4444 long *msglist = NULL;
4445 long *dellist = NULL;
4448 int num_deleted = 0;
4450 struct MetaData smi;
4453 int need_to_free_re = 0;
4455 if (content_type) if (!IsEmptyStr(content_type)) {
4456 regcomp(&re, content_type, 0);
4457 need_to_free_re = 1;
4459 syslog(LOG_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
4460 room_name, num_dmsgnums, content_type);
4462 /* get room record, obtaining a lock... */
4463 if (CtdlGetRoomLock(&qrbuf, room_name) != 0) {
4464 syslog(LOG_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
4466 if (need_to_free_re) regfree(&re);
4467 return (0); /* room not found */
4469 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
4471 if (cdbfr != NULL) {
4472 dellist = malloc(cdbfr->len);
4473 msglist = (long *) cdbfr->ptr;
4474 cdbfr->ptr = NULL; /* CtdlDeleteMessages() now owns this memory */
4475 num_msgs = cdbfr->len / sizeof(long);
4479 for (i = 0; i < num_msgs; ++i) {
4482 /* Set/clear a bit for each criterion */
4484 /* 0 messages in the list or a null list means that we are
4485 * interested in deleting any messages which meet the other criteria.
4487 if ((num_dmsgnums == 0) || (dmsgnums == NULL)) {
4488 delete_this |= 0x01;
4491 for (j=0; j<num_dmsgnums; ++j) {
4492 if (msglist[i] == dmsgnums[j]) {
4493 delete_this |= 0x01;
4498 if (IsEmptyStr(content_type)) {
4499 delete_this |= 0x02;
4501 GetMetaData(&smi, msglist[i]);
4502 if (regexec(&re, smi.meta_content_type, 1, &pm, 0) == 0) {
4503 delete_this |= 0x02;
4507 /* Delete message only if all bits are set */
4508 if (delete_this == 0x03) {
4509 dellist[num_deleted++] = msglist[i];
4514 num_msgs = sort_msglist(msglist, num_msgs);
4515 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, (int)sizeof(long),
4516 msglist, (int)(num_msgs * sizeof(long)));
4519 qrbuf.QRhighest = msglist[num_msgs - 1];
4521 qrbuf.QRhighest = 0;
4523 CtdlPutRoomLock(&qrbuf);
4525 /* Go through the messages we pulled out of the index, and decrement
4526 * their reference counts by 1. If this is the only room the message
4527 * was in, the reference count will reach zero and the message will
4528 * automatically be deleted from the database. We do this in a
4529 * separate pass because there might be plug-in hooks getting called,
4530 * and we don't want that happening during an S_ROOMS critical
4533 if (num_deleted) for (i=0; i<num_deleted; ++i) {
4534 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
4535 AdjRefCount(dellist[i], -1);
4538 /* Now free the memory we used, and go away. */
4539 if (msglist != NULL) free(msglist);
4540 if (dellist != NULL) free(dellist);
4541 syslog(LOG_DEBUG, "%d message(s) deleted.\n", num_deleted);
4542 if (need_to_free_re) regfree(&re);
4543 return (num_deleted);
4549 * Check whether the current user has permission to delete messages from
4550 * the current room (returns 1 for yes, 0 for no)
4552 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
4554 CtdlRoomAccess(&CC->room, &CC->user, &ra, NULL);
4555 if (ra & UA_DELETEALLOWED) return(1);
4563 * Delete message from current room
4565 void cmd_dele(char *args)
4574 extract_token(msgset, args, 0, '|', sizeof msgset);
4575 num_msgs = num_tokens(msgset, ',');
4577 cprintf("%d Nothing to do.\n", CIT_OK);
4581 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
4582 cprintf("%d Higher access required.\n",
4583 ERROR + HIGHER_ACCESS_REQUIRED);
4588 * Build our message set to be moved/copied
4590 msgs = malloc(num_msgs * sizeof(long));
4591 for (i=0; i<num_msgs; ++i) {
4592 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4593 msgs[i] = atol(msgtok);
4596 num_deleted = CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4600 cprintf("%d %d message%s deleted.\n", CIT_OK,
4601 num_deleted, ((num_deleted != 1) ? "s" : ""));
4603 cprintf("%d Message not found.\n", ERROR + MESSAGE_NOT_FOUND);
4611 * move or copy a message to another room
4613 void cmd_move(char *args)
4620 char targ[ROOMNAMELEN];
4621 struct ctdlroom qtemp;
4628 extract_token(msgset, args, 0, '|', sizeof msgset);
4629 num_msgs = num_tokens(msgset, ',');
4631 cprintf("%d Nothing to do.\n", CIT_OK);
4635 extract_token(targ, args, 1, '|', sizeof targ);
4636 convert_room_name_macros(targ, sizeof targ);
4637 targ[ROOMNAMELEN - 1] = 0;
4638 is_copy = extract_int(args, 2);
4640 if (CtdlGetRoom(&qtemp, targ) != 0) {
4641 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
4645 if (!strcasecmp(qtemp.QRname, CC->room.QRname)) {
4646 cprintf("%d Source and target rooms are the same.\n", ERROR + ALREADY_EXISTS);
4650 CtdlGetUser(&CC->user, CC->curr_user);
4651 CtdlRoomAccess(&qtemp, &CC->user, &ra, NULL);
4653 /* Check for permission to perform this operation.
4654 * Remember: "CC->room" is source, "qtemp" is target.
4658 /* Aides can move/copy */
4659 if (CC->user.axlevel >= AxAideU) permit = 1;
4661 /* Room aides can move/copy */
4662 if (CC->user.usernum == CC->room.QRroomaide) permit = 1;
4664 /* Permit move/copy from personal rooms */
4665 if ((CC->room.QRflags & QR_MAILBOX)
4666 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4668 /* Permit only copy from public to personal room */
4670 && (!(CC->room.QRflags & QR_MAILBOX))
4671 && (qtemp.QRflags & QR_MAILBOX)) permit = 1;
4673 /* Permit message removal from collaborative delete rooms */
4674 if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
4676 /* Users allowed to post into the target room may move into it too. */
4677 if ((CC->room.QRflags & QR_MAILBOX) &&
4678 (qtemp.QRflags & UA_POSTALLOWED)) permit = 1;
4680 /* User must have access to target room */
4681 if (!(ra & UA_KNOWN)) permit = 0;
4684 cprintf("%d Higher access required.\n",
4685 ERROR + HIGHER_ACCESS_REQUIRED);
4690 * Build our message set to be moved/copied
4692 msgs = malloc(num_msgs * sizeof(long));
4693 for (i=0; i<num_msgs; ++i) {
4694 extract_token(msgtok, msgset, i, ',', sizeof msgtok);
4695 msgs[i] = atol(msgtok);
4701 err = CtdlSaveMsgPointersInRoom(targ, msgs, num_msgs, 1, NULL, 0);
4703 cprintf("%d Cannot store message(s) in %s: error %d\n",
4709 /* Now delete the message from the source room,
4710 * if this is a 'move' rather than a 'copy' operation.
4713 CtdlDeleteMessages(CC->room.QRname, msgs, num_msgs, "");
4717 cprintf("%d Message(s) %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
4723 * GetMetaData() - Get the supplementary record for a message
4725 void GetMetaData(struct MetaData *smibuf, long msgnum)
4728 struct cdbdata *cdbsmi;
4731 memset(smibuf, 0, sizeof(struct MetaData));
4732 smibuf->meta_msgnum = msgnum;
4733 smibuf->meta_refcount = 1; /* Default reference count is 1 */
4735 /* Use the negative of the message number for its supp record index */
4736 TheIndex = (0L - msgnum);
4738 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
4739 if (cdbsmi == NULL) {
4740 return; /* record not found; go with defaults */
4742 memcpy(smibuf, cdbsmi->ptr,
4743 ((cdbsmi->len > sizeof(struct MetaData)) ?
4744 sizeof(struct MetaData) : cdbsmi->len));
4751 * PutMetaData() - (re)write supplementary record for a message
4753 void PutMetaData(struct MetaData *smibuf)
4757 /* Use the negative of the message number for the metadata db index */
4758 TheIndex = (0L - smibuf->meta_msgnum);
4760 cdb_store(CDB_MSGMAIN,
4761 &TheIndex, (int)sizeof(long),
4762 smibuf, (int)sizeof(struct MetaData));
4767 * AdjRefCount - submit an adjustment to the reference count for a message.
4768 * (These are just queued -- we actually process them later.)
4770 void AdjRefCount(long msgnum, int incr)
4772 struct arcq new_arcq;
4775 syslog(LOG_DEBUG, "AdjRefCount() msg %ld ref count delta %+d\n",
4779 begin_critical_section(S_SUPPMSGMAIN);
4780 if (arcfp == NULL) {
4781 arcfp = fopen(file_arcq, "ab+");
4783 end_critical_section(S_SUPPMSGMAIN);
4785 /* msgnum < 0 means that we're trying to close the file */
4787 syslog(LOG_DEBUG, "Closing the AdjRefCount queue file\n");
4788 begin_critical_section(S_SUPPMSGMAIN);
4789 if (arcfp != NULL) {
4793 end_critical_section(S_SUPPMSGMAIN);
4798 * If we can't open the queue, perform the operation synchronously.
4800 if (arcfp == NULL) {
4801 TDAP_AdjRefCount(msgnum, incr);
4805 new_arcq.arcq_msgnum = msgnum;
4806 new_arcq.arcq_delta = incr;
4807 rv = fwrite(&new_arcq, sizeof(struct arcq), 1, arcfp);
4815 * TDAP_ProcessAdjRefCountQueue()
4817 * Process the queue of message count adjustments that was created by calls
4818 * to AdjRefCount() ... by reading the queue and calling TDAP_AdjRefCount()
4819 * for each one. This should be an "off hours" operation.
4821 int TDAP_ProcessAdjRefCountQueue(void)
4823 char file_arcq_temp[PATH_MAX];
4826 struct arcq arcq_rec;
4827 int num_records_processed = 0;
4829 snprintf(file_arcq_temp, sizeof file_arcq_temp, "%s.%04x", file_arcq, rand());
4831 begin_critical_section(S_SUPPMSGMAIN);
4832 if (arcfp != NULL) {
4837 r = link(file_arcq, file_arcq_temp);
4839 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4840 end_critical_section(S_SUPPMSGMAIN);
4841 return(num_records_processed);
4845 end_critical_section(S_SUPPMSGMAIN);
4847 fp = fopen(file_arcq_temp, "rb");
4849 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4850 return(num_records_processed);
4853 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
4854 TDAP_AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
4855 ++num_records_processed;
4859 r = unlink(file_arcq_temp);
4861 syslog(LOG_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
4864 return(num_records_processed);
4870 * TDAP_AdjRefCount - adjust the reference count for a message.
4871 * This one does it "for real" because it's called by
4872 * the autopurger function that processes the queue
4873 * created by AdjRefCount(). If a message's reference
4874 * count becomes zero, we also delete the message from
4875 * disk and de-index it.
4877 void TDAP_AdjRefCount(long msgnum, int incr)
4880 struct MetaData smi;
4883 /* This is a *tight* critical section; please keep it that way, as
4884 * it may get called while nested in other critical sections.
4885 * Complicating this any further will surely cause deadlock!
4887 begin_critical_section(S_SUPPMSGMAIN);
4888 GetMetaData(&smi, msgnum);
4889 smi.meta_refcount += incr;
4891 end_critical_section(S_SUPPMSGMAIN);
4892 syslog(LOG_DEBUG, "TDAP_AdjRefCount() msg %ld ref count delta %+d, is now %d\n",
4893 msgnum, incr, smi.meta_refcount
4896 /* If the reference count is now zero, delete the message
4897 * (and its supplementary record as well).
4899 if (smi.meta_refcount == 0) {
4900 syslog(LOG_DEBUG, "Deleting message <%ld>\n", msgnum);
4902 /* Call delete hooks with NULL room to show it has gone altogether */
4903 PerformDeleteHooks(NULL, msgnum);
4905 /* Remove from message base */
4907 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4908 cdb_delete(CDB_BIGMSGS, &delnum, (int)sizeof(long));
4910 /* Remove metadata record */
4911 delnum = (0L - msgnum);
4912 cdb_delete(CDB_MSGMAIN, &delnum, (int)sizeof(long));
4918 * Write a generic object to this room
4920 * Note: this could be much more efficient. Right now we use two temporary
4921 * files, and still pull the message into memory as with all others.
4923 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
4924 char *content_type, /* MIME type of this object */
4925 char *raw_message, /* Data to be written */
4926 off_t raw_length, /* Size of raw_message */
4927 struct ctdluser *is_mailbox, /* Mailbox room? */
4928 int is_binary, /* Is encoding necessary? */
4929 int is_unique, /* Del others of this type? */
4930 unsigned int flags /* Internal save flags */
4934 struct ctdlroom qrbuf;
4935 char roomname[ROOMNAMELEN];
4936 struct CtdlMessage *msg;
4937 char *encoded_message = NULL;
4939 if (is_mailbox != NULL) {
4940 CtdlMailboxName(roomname, sizeof roomname, is_mailbox, req_room);
4943 safestrncpy(roomname, req_room, sizeof(roomname));
4946 syslog(LOG_DEBUG, "Raw length is %ld\n", (long)raw_length);
4949 encoded_message = malloc((size_t) (((raw_length * 134) / 100) + 4096 ) );
4952 encoded_message = malloc((size_t)(raw_length + 4096));
4955 sprintf(encoded_message, "Content-type: %s\n", content_type);
4958 sprintf(&encoded_message[strlen(encoded_message)],
4959 "Content-transfer-encoding: base64\n\n"
4963 sprintf(&encoded_message[strlen(encoded_message)],
4964 "Content-transfer-encoding: 7bit\n\n"
4970 &encoded_message[strlen(encoded_message)],
4978 &encoded_message[strlen(encoded_message)],
4984 syslog(LOG_DEBUG, "Allocating\n");
4985 msg = malloc(sizeof(struct CtdlMessage));
4986 memset(msg, 0, sizeof(struct CtdlMessage));
4987 msg->cm_magic = CTDLMESSAGE_MAGIC;
4988 msg->cm_anon_type = MES_NORMAL;
4989 msg->cm_format_type = 4;
4990 msg->cm_fields['A'] = strdup(CC->user.fullname);
4991 msg->cm_fields['O'] = strdup(req_room);
4992 msg->cm_fields['N'] = strdup(config.c_nodename);
4993 msg->cm_fields['H'] = strdup(config.c_humannode);
4994 msg->cm_flags = flags;
4996 msg->cm_fields['M'] = encoded_message;
4998 /* Create the requested room if we have to. */
4999 if (CtdlGetRoom(&qrbuf, roomname) != 0) {
5000 CtdlCreateRoom(roomname,
5001 ( (is_mailbox != NULL) ? 5 : 3 ),
5002 "", 0, 1, 0, VIEW_BBS);
5004 /* If the caller specified this object as unique, delete all
5005 * other objects of this type that are currently in the room.
5008 syslog(LOG_DEBUG, "Deleted %d other msgs of this type\n",
5009 CtdlDeleteMessages(roomname, NULL, 0, content_type)
5012 /* Now write the data */
5013 CtdlSubmitMsg(msg, NULL, roomname, 0);
5014 CtdlFreeMessage(msg);
5022 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
5023 config_msgnum = msgnum;
5027 char *CtdlGetSysConfig(char *sysconfname) {
5028 char hold_rm[ROOMNAMELEN];
5031 struct CtdlMessage *msg;
5034 strcpy(hold_rm, CC->room.QRname);
5035 if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
5036 CtdlGetRoom(&CC->room, hold_rm);
5041 /* We want the last (and probably only) config in this room */
5042 begin_critical_section(S_CONFIG);
5043 config_msgnum = (-1L);
5044 CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL,
5045 CtdlGetSysConfigBackend, NULL);
5046 msgnum = config_msgnum;
5047 end_critical_section(S_CONFIG);
5053 msg = CtdlFetchMessage(msgnum, 1);
5055 conf = strdup(msg->cm_fields['M']);
5056 CtdlFreeMessage(msg);
5063 CtdlGetRoom(&CC->room, hold_rm);
5065 if (conf != NULL) do {
5066 extract_token(buf, conf, 0, '\n', sizeof buf);
5067 strcpy(conf, &conf[strlen(buf)+1]);
5068 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
5074 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
5075 CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
5080 * Determine whether a given Internet address belongs to the current user
5082 int CtdlIsMe(char *addr, int addr_buf_len)
5084 struct recptypes *recp;
5087 recp = validate_recipients(addr, NULL, 0);
5088 if (recp == NULL) return(0);
5090 if (recp->num_local == 0) {
5091 free_recipients(recp);
5095 for (i=0; i<recp->num_local; ++i) {
5096 extract_token(addr, recp->recp_local, i, '|', addr_buf_len);
5097 if (!strcasecmp(addr, CC->user.fullname)) {
5098 free_recipients(recp);
5103 free_recipients(recp);
5109 * Citadel protocol command to do the same
5111 void cmd_isme(char *argbuf) {
5114 if (CtdlAccessCheck(ac_logged_in)) return;
5115 extract_token(addr, argbuf, 0, '|', sizeof addr);
5117 if (CtdlIsMe(addr, sizeof addr)) {
5118 cprintf("%d %s\n", CIT_OK, addr);
5121 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);
5127 /*****************************************************************************/
5128 /* MODULE INITIALIZATION STUFF */
5129 /*****************************************************************************/
5131 CTDL_MODULE_INIT(msgbase)
5134 CtdlRegisterProtoHook(cmd_msgs, "MSGS", "Output a list of messages in the current room");
5135 CtdlRegisterProtoHook(cmd_msg0, "MSG0", "Output a message in plain text format");
5136 CtdlRegisterProtoHook(cmd_msg2, "MSG2", "Output a message in RFC822 format");
5137 CtdlRegisterProtoHook(cmd_msg3, "MSG3", "Output a message in raw format (deprecated)");
5138 CtdlRegisterProtoHook(cmd_msg4, "MSG4", "Output a message in the client's preferred format");
5139 CtdlRegisterProtoHook(cmd_msgp, "MSGP", "Select preferred format for MSG4 output");
5140 CtdlRegisterProtoHook(cmd_opna, "OPNA", "Open an attachment for download");
5141 CtdlRegisterProtoHook(cmd_dlat, "DLAT", "Download an attachment");
5142 CtdlRegisterProtoHook(cmd_ent0, "ENT0", "Enter a message");
5143 CtdlRegisterProtoHook(cmd_dele, "DELE", "Delete a message");
5144 CtdlRegisterProtoHook(cmd_move, "MOVE", "Move or copy a message to another room");
5145 CtdlRegisterProtoHook(cmd_isme, "ISME", "Determine whether an email address belongs to a user");
5148 /* return our Subversion id for the Log */