4 * Implements the message store.
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
38 #include "serv_extensions.h"
42 #include "sysdep_decls.h"
43 #include "citserver.h"
49 #include "mime_parser.h"
52 #include "internet_addressing.h"
54 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
55 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
56 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
58 extern struct config config;
63 * This really belongs in serv_network.c, but I don't know how to export
64 * symbols between modules.
66 struct FilterList *filterlist = NULL;
70 * These are the four-character field headers we use when outputting
71 * messages in Citadel format (as opposed to RFC822 format).
74 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
75 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
76 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
77 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
78 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
79 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
80 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
81 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
108 * This function is self explanatory.
109 * (What can I say, I'm in a weird mood today...)
111 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
115 for (i = 0; i < strlen(name); ++i) {
116 if (name[i] == '@') {
117 while (isspace(name[i - 1]) && i > 0) {
118 strcpy(&name[i - 1], &name[i]);
121 while (isspace(name[i + 1])) {
122 strcpy(&name[i + 1], &name[i + 2]);
130 * Aliasing for network mail.
131 * (Error messages have been commented out, because this is a server.)
133 int alias(char *name)
134 { /* process alias and routing info for mail */
137 char aaa[SIZ], bbb[SIZ];
138 char *ignetcfg = NULL;
139 char *ignetmap = NULL;
146 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
148 fp = fopen("network/mail.aliases", "r");
150 fp = fopen("/dev/null", "r");
157 while (fgets(aaa, sizeof aaa, fp) != NULL) {
158 while (isspace(name[0]))
159 strcpy(name, &name[1]);
160 aaa[strlen(aaa) - 1] = 0;
162 for (a = 0; a < strlen(aaa); ++a) {
164 strcpy(bbb, &aaa[a + 1]);
168 if (!strcasecmp(name, aaa))
173 /* Hit the Global Address Book */
174 if (CtdlDirectoryLookup(aaa, name) == 0) {
178 lprintf(CTDL_INFO, "Mail is being forwarded to %s\n", name);
180 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
181 for (a=0; a<strlen(name); ++a) {
182 if (name[a] == '@') {
183 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
185 lprintf(CTDL_INFO, "Changed to <%s>\n", name);
190 /* determine local or remote type, see citadel.h */
191 at = haschar(name, '@');
192 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
193 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
194 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
196 /* figure out the delivery mode */
197 extract_token(node, name, 1, '@');
199 /* If there are one or more dots in the nodename, we assume that it
200 * is an FQDN and will attempt SMTP delivery to the Internet.
202 if (haschar(node, '.') > 0) {
203 return(MES_INTERNET);
206 /* Otherwise we look in the IGnet maps for a valid Citadel node.
207 * Try directly-connected nodes first...
209 ignetcfg = CtdlGetSysConfig(IGNETCFG);
210 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
211 extract_token(buf, ignetcfg, i, '\n');
212 extract_token(testnode, buf, 0, '|');
213 if (!strcasecmp(node, testnode)) {
221 * Then try nodes that are two or more hops away.
223 ignetmap = CtdlGetSysConfig(IGNETMAP);
224 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
225 extract_token(buf, ignetmap, i, '\n');
226 extract_token(testnode, buf, 0, '|');
227 if (!strcasecmp(node, testnode)) {
234 /* If we get to this point it's an invalid node name */
243 fp = fopen("citadel.control", "r");
244 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
250 void simple_listing(long msgnum, void *userdata)
252 cprintf("%ld\n", msgnum);
257 /* Determine if a given message matches the fields in a message template.
258 * Return 0 for a successful match.
260 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
263 /* If there aren't any fields in the template, all messages will
266 if (template == NULL) return(0);
268 /* Null messages are bogus. */
269 if (msg == NULL) return(1);
271 for (i='A'; i<='Z'; ++i) {
272 if (template->cm_fields[i] != NULL) {
273 if (msg->cm_fields[i] == NULL) {
276 if (strcasecmp(msg->cm_fields[i],
277 template->cm_fields[i])) return 1;
281 /* All compares succeeded: we have a match! */
288 * Retrieve the "seen" message list for the current room.
290 void CtdlGetSeen(char *buf, int which_set) {
293 /* Learn about the user and room in question */
294 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
296 if (which_set == ctdlsetseen_seen)
297 safestrncpy(buf, vbuf.v_seen, SIZ);
298 if (which_set == ctdlsetseen_answered)
299 safestrncpy(buf, vbuf.v_answered, SIZ);
305 * Manipulate the "seen msgs" string (or other message set strings)
307 void CtdlSetSeen(long target_msgnum, int target_setting, int which_set) {
309 struct cdbdata *cdbfr;
320 /* Learn about the user and room in question */
321 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
323 /* Load the message list */
324 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
326 msglist = mallok(cdbfr->len);
327 memcpy(msglist, cdbfr->ptr, cdbfr->len);
328 num_msgs = cdbfr->len / sizeof(long);
331 return; /* No messages at all? No further action. */
334 /* Decide which message set we're manipulating */
335 if (which_set == ctdlsetseen_seen) strcpy(vset, vbuf.v_seen);
336 if (which_set == ctdlsetseen_answered) strcpy(vset, vbuf.v_answered);
338 lprintf(CTDL_DEBUG, "before optimize: %s\n", vset);
341 for (i=0; i<num_msgs; ++i) {
344 if (msglist[i] == target_msgnum) {
345 is_seen = target_setting;
348 if (is_msg_in_mset(vset, msglist[i])) {
354 if (lo < 0L) lo = msglist[i];
357 if ( ((is_seen == 0) && (was_seen == 1))
358 || ((is_seen == 1) && (i == num_msgs-1)) ) {
361 if ( (strlen(newseen) + 20) > SIZ) {
362 strcpy(newseen, &newseen[20]);
365 tmp = strlen(newseen);
367 strcat(newseen, ",");
371 snprintf(&newseen[tmp], sizeof newseen - tmp,
375 snprintf(&newseen[tmp], sizeof newseen - tmp,
384 /* Decide which message set we're manipulating */
385 if (which_set == ctdlsetseen_seen) strcpy(vbuf.v_seen, newseen);
386 if (which_set == ctdlsetseen_answered) strcpy(vbuf.v_answered, newseen);
388 lprintf(CTDL_DEBUG, " after optimize: %s\n", newseen);
390 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
395 * API function to perform an operation for each qualifying message in the
396 * current room. (Returns the number of messages processed.)
398 int CtdlForEachMessage(int mode, long ref,
400 struct CtdlMessage *compare,
401 void (*CallBack) (long, void *),
407 struct cdbdata *cdbfr;
408 long *msglist = NULL;
410 int num_processed = 0;
413 struct CtdlMessage *msg;
416 int printed_lastold = 0;
418 /* Learn about the user and room in question */
420 getuser(&CC->user, CC->curr_user);
421 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
423 /* Load the message list */
424 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
426 msglist = mallok(cdbfr->len);
427 memcpy(msglist, cdbfr->ptr, cdbfr->len);
428 num_msgs = cdbfr->len / sizeof(long);
431 return 0; /* No messages at all? No further action. */
436 * Now begin the traversal.
438 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
440 /* If the caller is looking for a specific MIME type, filter
441 * out all messages which are not of the type requested.
443 if (content_type != NULL) if (strlen(content_type) > 0) {
445 /* This call to GetMetaData() sits inside this loop
446 * so that we only do the extra database read per msg
447 * if we need to. Doing the extra read all the time
448 * really kills the server. If we ever need to use
449 * metadata for another search criterion, we need to
450 * move the read somewhere else -- but still be smart
451 * enough to only do the read if the caller has
452 * specified something that will need it.
454 GetMetaData(&smi, msglist[a]);
456 if (strcasecmp(smi.meta_content_type, content_type)) {
462 num_msgs = sort_msglist(msglist, num_msgs);
464 /* If a template was supplied, filter out the messages which
465 * don't match. (This could induce some delays!)
468 if (compare != NULL) {
469 for (a = 0; a < num_msgs; ++a) {
470 msg = CtdlFetchMessage(msglist[a]);
472 if (CtdlMsgCmp(msg, compare)) {
475 CtdlFreeMessage(msg);
483 * Now iterate through the message list, according to the
484 * criteria supplied by the caller.
487 for (a = 0; a < num_msgs; ++a) {
488 thismsg = msglist[a];
489 is_seen = is_msg_in_mset(vbuf.v_seen, thismsg);
490 if (is_seen) lastold = thismsg;
495 || ((mode == MSGS_OLD) && (is_seen))
496 || ((mode == MSGS_NEW) && (!is_seen))
497 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
498 || ((mode == MSGS_FIRST) && (a < ref))
499 || ((mode == MSGS_GT) && (thismsg > ref))
500 || ((mode == MSGS_EQ) && (thismsg == ref))
503 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
505 CallBack(lastold, userdata);
509 if (CallBack) CallBack(thismsg, userdata);
513 phree(msglist); /* Clean up */
514 return num_processed;
520 * cmd_msgs() - get list of message #'s in this room
521 * implements the MSGS server command using CtdlForEachMessage()
523 void cmd_msgs(char *cmdbuf)
532 int with_template = 0;
533 struct CtdlMessage *template = NULL;
535 extract(which, cmdbuf, 0);
536 cm_ref = extract_int(cmdbuf, 1);
537 with_template = extract_int(cmdbuf, 2);
541 if (!strncasecmp(which, "OLD", 3))
543 else if (!strncasecmp(which, "NEW", 3))
545 else if (!strncasecmp(which, "FIRST", 5))
547 else if (!strncasecmp(which, "LAST", 4))
549 else if (!strncasecmp(which, "GT", 2))
552 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
553 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
558 cprintf("%d Send template then receive message list\n",
560 template = (struct CtdlMessage *)
561 mallok(sizeof(struct CtdlMessage));
562 memset(template, 0, sizeof(struct CtdlMessage));
563 while(client_gets(buf), strcmp(buf,"000")) {
564 extract(tfield, buf, 0);
565 extract(tvalue, buf, 1);
566 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
567 if (!strcasecmp(tfield, msgkeys[i])) {
568 template->cm_fields[i] =
575 cprintf("%d Message list...\n", LISTING_FOLLOWS);
578 CtdlForEachMessage(mode, cm_ref,
579 NULL, template, simple_listing, NULL);
580 if (template != NULL) CtdlFreeMessage(template);
588 * help_subst() - support routine for help file viewer
590 void help_subst(char *strbuf, char *source, char *dest)
595 while (p = pattern2(strbuf, source), (p >= 0)) {
596 strcpy(workbuf, &strbuf[p + strlen(source)]);
597 strcpy(&strbuf[p], dest);
598 strcat(strbuf, workbuf);
603 void do_help_subst(char *buffer)
607 help_subst(buffer, "^nodename", config.c_nodename);
608 help_subst(buffer, "^humannode", config.c_humannode);
609 help_subst(buffer, "^fqdn", config.c_fqdn);
610 help_subst(buffer, "^username", CC->user.fullname);
611 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
612 help_subst(buffer, "^usernum", buf2);
613 help_subst(buffer, "^sysadm", config.c_sysadm);
614 help_subst(buffer, "^variantname", CITADEL);
615 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
616 help_subst(buffer, "^maxsessions", buf2);
617 help_subst(buffer, "^bbsdir", BBSDIR);
623 * memfmout() - Citadel text formatter and paginator.
624 * Although the original purpose of this routine was to format
625 * text to the reader's screen width, all we're really using it
626 * for here is to format text out to 80 columns before sending it
627 * to the client. The client software may reformat it again.
630 int width, /* screen width to use */
631 char *mptr, /* where are we going to get our text from? */
632 char subst, /* nonzero if we should do substitutions */
633 char *nl) /* string to terminate lines with */
645 c = 1; /* c is the current pos */
649 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
651 buffer[strlen(buffer) + 1] = 0;
652 buffer[strlen(buffer)] = ch;
655 if (buffer[0] == '^')
656 do_help_subst(buffer);
658 buffer[strlen(buffer) + 1] = 0;
660 strcpy(buffer, &buffer[1]);
668 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
670 if (((old == 13) || (old == 10)) && (isspace(real))) {
678 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
679 cprintf("%s%s", nl, aaa);
688 if ((strlen(aaa) + c) > (width - 5)) {
697 if ((ch == 13) || (ch == 10)) {
698 cprintf("%s%s", aaa, nl);
705 cprintf("%s%s", aaa, nl);
711 * Callback function for mime parser that simply lists the part
713 void list_this_part(char *name, char *filename, char *partnum, char *disp,
714 void *content, char *cbtype, size_t length, char *encoding,
718 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
719 name, filename, partnum, disp, cbtype, (long)length);
723 * Callback function for multipart prefix
725 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
726 void *content, char *cbtype, size_t length, char *encoding,
729 cprintf("pref=%s|%s\n", partnum, cbtype);
733 * Callback function for multipart sufffix
735 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
736 void *content, char *cbtype, size_t length, char *encoding,
739 cprintf("suff=%s|%s\n", partnum, cbtype);
744 * Callback function for mime parser that opens a section for downloading
746 void mime_download(char *name, char *filename, char *partnum, char *disp,
747 void *content, char *cbtype, size_t length, char *encoding,
751 /* Silently go away if there's already a download open... */
752 if (CC->download_fp != NULL)
755 /* ...or if this is not the desired section */
756 if (strcasecmp(desired_section, partnum))
759 CC->download_fp = tmpfile();
760 if (CC->download_fp == NULL)
763 fwrite(content, length, 1, CC->download_fp);
764 fflush(CC->download_fp);
765 rewind(CC->download_fp);
767 OpenCmdResult(filename, cbtype);
773 * Load a message from disk into memory.
774 * This is used by CtdlOutputMsg() and other fetch functions.
776 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
777 * using the CtdlMessageFree() function.
779 struct CtdlMessage *CtdlFetchMessage(long msgnum)
781 struct cdbdata *dmsgtext;
782 struct CtdlMessage *ret = NULL;
785 cit_uint8_t field_header;
788 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
789 if (dmsgtext == NULL) {
792 mptr = dmsgtext->ptr;
794 /* Parse the three bytes that begin EVERY message on disk.
795 * The first is always 0xFF, the on-disk magic number.
796 * The second is the anonymous/public type byte.
797 * The third is the format type byte (vari, fixed, or MIME).
801 lprintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
805 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
806 memset(ret, 0, sizeof(struct CtdlMessage));
808 ret->cm_magic = CTDLMESSAGE_MAGIC;
809 ret->cm_anon_type = *mptr++; /* Anon type byte */
810 ret->cm_format_type = *mptr++; /* Format type byte */
813 * The rest is zero or more arbitrary fields. Load them in.
814 * We're done when we encounter either a zero-length field or
815 * have just processed the 'M' (message text) field.
818 field_length = strlen(mptr);
819 if (field_length == 0)
821 field_header = *mptr++;
822 ret->cm_fields[field_header] = mallok(field_length);
823 strcpy(ret->cm_fields[field_header], mptr);
825 while (*mptr++ != 0); /* advance to next field */
827 } while ((field_length > 0) && (field_header != 'M'));
831 /* Always make sure there's something in the msg text field */
832 if (ret->cm_fields['M'] == NULL)
833 ret->cm_fields['M'] = strdoop("<no text>\n");
835 /* Perform "before read" hooks (aborting if any return nonzero) */
836 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
837 CtdlFreeMessage(ret);
846 * Returns 1 if the supplied pointer points to a valid Citadel message.
847 * If the pointer is NULL or the magic number check fails, returns 0.
849 int is_valid_message(struct CtdlMessage *msg) {
852 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
853 lprintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
861 * 'Destructor' for struct CtdlMessage
863 void CtdlFreeMessage(struct CtdlMessage *msg)
867 if (is_valid_message(msg) == 0) return;
869 for (i = 0; i < 256; ++i)
870 if (msg->cm_fields[i] != NULL) {
871 phree(msg->cm_fields[i]);
874 msg->cm_magic = 0; /* just in case */
880 * Pre callback function for multipart/alternative
882 * NOTE: this differs from the standard behavior for a reason. Normally when
883 * displaying multipart/alternative you want to show the _last_ usable
884 * format in the message. Here we show the _first_ one, because it's
885 * usually text/plain. Since this set of functions is designed for text
886 * output to non-MIME-aware clients, this is the desired behavior.
889 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
890 void *content, char *cbtype, size_t length, char *encoding,
893 lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);
894 if (!strcasecmp(cbtype, "multipart/alternative")) {
902 * Post callback function for multipart/alternative
904 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
905 void *content, char *cbtype, size_t length, char *encoding,
908 lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);
909 if (!strcasecmp(cbtype, "multipart/alternative")) {
917 * Inline callback function for mime parser that wants to display text
919 void fixed_output(char *name, char *filename, char *partnum, char *disp,
920 void *content, char *cbtype, size_t length, char *encoding,
927 lprintf(CTDL_DEBUG, "fixed_output() type=<%s>\n", cbtype);
930 * If we're in the middle of a multipart/alternative scope and
931 * we've already printed another section, skip this one.
933 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
934 lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
939 if ( (!strcasecmp(cbtype, "text/plain"))
940 || (strlen(cbtype)==0) ) {
943 client_write(wptr, length);
944 if (wptr[length-1] != '\n') {
949 else if (!strcasecmp(cbtype, "text/html")) {
950 ptr = html_to_ascii(content, 80, 0);
952 client_write(ptr, wlen);
953 if (ptr[wlen-1] != '\n') {
958 else if (strncasecmp(cbtype, "multipart/", 10)) {
959 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
960 partnum, filename, cbtype, (long)length);
965 * The client is elegant and sophisticated and wants to be choosy about
966 * MIME content types, so figure out which multipart/alternative part
967 * we're going to send.
969 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
970 void *content, char *cbtype, size_t length, char *encoding,
977 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
978 extract(buf, CC->preferred_formats, i);
979 if (!strcasecmp(buf, cbtype)) {
980 strcpy(ma->chosen_part, partnum);
987 * Now that we've chosen our preferred part, output it.
989 void output_preferred(char *name, char *filename, char *partnum, char *disp,
990 void *content, char *cbtype, size_t length, char *encoding,
998 /* This is not the MIME part you're looking for... */
999 if (strcasecmp(partnum, ma->chosen_part)) return;
1001 /* If the content-type of this part is in our preferred formats
1002 * list, we can simply output it verbatim.
1004 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1005 extract(buf, CC->preferred_formats, i);
1006 if (!strcasecmp(buf, cbtype)) {
1007 /* Yeah! Go! W00t!! */
1009 text_content = (char *)content;
1010 if (text_content[length-1] != '\n') {
1014 cprintf("Content-type: %s\n", cbtype);
1015 cprintf("Content-length: %d\n",
1016 (int)(length + add_newline) );
1017 if (strlen(encoding) > 0) {
1018 cprintf("Content-transfer-encoding: %s\n", encoding);
1021 cprintf("Content-transfer-encoding: 7bit\n");
1024 client_write(content, length);
1025 if (add_newline) cprintf("\n");
1030 /* No translations required or possible: output as text/plain */
1031 cprintf("Content-type: text/plain\n\n");
1032 fixed_output(name, filename, partnum, disp, content, cbtype,
1033 length, encoding, cbuserdata);
1038 * Get a message off disk. (returns om_* values found in msgbase.h)
1041 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1042 int mode, /* how would you like that message? */
1043 int headers_only, /* eschew the message body? */
1044 int do_proto, /* do Citadel protocol responses? */
1045 int crlf /* Use CRLF newlines instead of LF? */
1047 struct CtdlMessage *TheMessage;
1050 lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
1055 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1056 if (do_proto) cprintf("%d Not logged in.\n",
1057 ERROR + NOT_LOGGED_IN);
1058 return(om_not_logged_in);
1061 /* FIXME ... small security issue
1062 * We need to check to make sure the requested message is actually
1063 * in the current room, and set msg_ok to 1 only if it is. This
1064 * functionality is currently missing because I'm in a hurry to replace
1065 * broken production code with nonbroken pre-beta code. :( -- ajc
1068 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
1069 ERROR + MESSAGE_NOT_FOUND, msg_num);
1070 return(om_no_such_msg);
1075 * Fetch the message from disk.
1077 TheMessage = CtdlFetchMessage(msg_num);
1079 if (TheMessage == NULL) {
1080 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1081 ERROR + MESSAGE_NOT_FOUND, msg_num);
1082 return(om_no_such_msg);
1085 retcode = CtdlOutputPreLoadedMsg(
1086 TheMessage, msg_num, mode,
1087 headers_only, do_proto, crlf);
1089 CtdlFreeMessage(TheMessage);
1096 * Get a message off disk. (returns om_* values found in msgbase.h)
1099 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
1101 int mode, /* how would you like that message? */
1102 int headers_only, /* eschew the message body? */
1103 int do_proto, /* do Citadel protocol responses? */
1104 int crlf /* Use CRLF newlines instead of LF? */
1110 char display_name[SIZ];
1112 char *nl; /* newline string */
1114 int subject_found = 0;
1116 /* buffers needed for RFC822 translation */
1123 char datestamp[SIZ];
1126 snprintf(mid, sizeof mid, "%ld", msg_num);
1127 nl = (crlf ? "\r\n" : "\n");
1129 if (!is_valid_message(TheMessage)) {
1130 lprintf(CTDL_ERR, "ERROR: invalid preloaded message for output\n");
1131 return(om_no_such_msg);
1134 /* Are we downloading a MIME component? */
1135 if (mode == MT_DOWNLOAD) {
1136 if (TheMessage->cm_format_type != FMT_RFC822) {
1138 cprintf("%d This is not a MIME message.\n",
1139 ERROR + ILLEGAL_VALUE);
1140 } else if (CC->download_fp != NULL) {
1141 if (do_proto) cprintf(
1142 "%d You already have a download open.\n",
1143 ERROR + RESOURCE_BUSY);
1145 /* Parse the message text component */
1146 mptr = TheMessage->cm_fields['M'];
1147 mime_parser(mptr, NULL,
1148 *mime_download, NULL, NULL,
1150 /* If there's no file open by this time, the requested
1151 * section wasn't found, so print an error
1153 if (CC->download_fp == NULL) {
1154 if (do_proto) cprintf(
1155 "%d Section %s not found.\n",
1156 ERROR + FILE_NOT_FOUND,
1160 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1163 /* now for the user-mode message reading loops */
1164 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1166 /* Does the caller want to skip the headers? */
1167 if (headers_only == HEADERS_NONE) goto START_TEXT;
1169 /* Tell the client which format type we're using. */
1170 if ( (mode == MT_CITADEL) && (do_proto) ) {
1171 cprintf("type=%d\n", TheMessage->cm_format_type);
1174 /* nhdr=yes means that we're only displaying headers, no body */
1175 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1176 && (mode == MT_CITADEL)
1179 cprintf("nhdr=yes\n");
1182 /* begin header processing loop for Citadel message format */
1184 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1186 strcpy(display_name, "<unknown>");
1187 if (TheMessage->cm_fields['A']) {
1188 strcpy(buf, TheMessage->cm_fields['A']);
1189 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1190 strcpy(display_name, "****");
1192 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1193 strcpy(display_name, "anonymous");
1196 strcpy(display_name, buf);
1198 if ((is_room_aide())
1199 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1200 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1201 size_t tmp = strlen(display_name);
1202 snprintf(&display_name[tmp],
1203 sizeof display_name - tmp,
1208 /* Don't show Internet address for users on the
1209 * local Citadel network.
1212 if (TheMessage->cm_fields['N'] != NULL)
1213 if (strlen(TheMessage->cm_fields['N']) > 0)
1214 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1218 /* Now spew the header fields in the order we like them. */
1219 strcpy(allkeys, FORDER);
1220 for (i=0; i<strlen(allkeys); ++i) {
1221 k = (int) allkeys[i];
1223 if ( (TheMessage->cm_fields[k] != NULL)
1224 && (msgkeys[k] != NULL) ) {
1226 if (do_proto) cprintf("%s=%s\n",
1230 else if ((k == 'F') && (suppress_f)) {
1233 /* Masquerade display name if needed */
1235 if (do_proto) cprintf("%s=%s\n",
1237 TheMessage->cm_fields[k]
1246 /* begin header processing loop for RFC822 transfer format */
1251 strcpy(snode, NODENAME);
1252 strcpy(lnode, HUMANNODE);
1253 if (mode == MT_RFC822) {
1254 cprintf("X-UIDL: %ld%s", msg_num, nl);
1255 for (i = 0; i < 256; ++i) {
1256 if (TheMessage->cm_fields[i]) {
1257 mptr = TheMessage->cm_fields[i];
1260 strcpy(luser, mptr);
1261 strcpy(suser, mptr);
1264 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1265 into thinking that mail messages are newsgroup messages instead. When we
1266 add NNTP support back into Citadel we'll have to add code to only output
1267 this field when appropriate.
1268 else if (i == 'P') {
1269 cprintf("Path: %s%s", mptr, nl);
1272 else if (i == 'U') {
1273 cprintf("Subject: %s%s", mptr, nl);
1277 safestrncpy(mid, mptr, sizeof mid);
1279 safestrncpy(lnode, mptr, sizeof lnode);
1281 safestrncpy(fuser, mptr, sizeof fuser);
1283 cprintf("X-Citadel-Room: %s%s",
1286 safestrncpy(snode, mptr, sizeof snode);
1288 cprintf("To: %s%s", mptr, nl);
1289 else if (i == 'T') {
1290 datestring(datestamp, sizeof datestamp,
1291 atol(mptr), DATESTRING_RFC822);
1292 cprintf("Date: %s%s", datestamp, nl);
1296 if (subject_found == 0) {
1297 cprintf("Subject: (no subject)%s", nl);
1301 for (i=0; i<strlen(suser); ++i) {
1302 suser[i] = tolower(suser[i]);
1303 if (!isalnum(suser[i])) suser[i]='_';
1306 if (mode == MT_RFC822) {
1307 if (!strcasecmp(snode, NODENAME)) {
1308 strcpy(snode, FQDN);
1311 /* Construct a fun message id */
1312 cprintf("Message-ID: <%s", mid);
1313 if (strchr(mid, '@')==NULL) {
1314 cprintf("@%s", snode);
1318 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1319 cprintf("From: x@x.org (----)%s", nl);
1321 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1322 cprintf("From: x@x.org (anonymous)%s", nl);
1324 else if (strlen(fuser) > 0) {
1325 cprintf("From: %s (%s)%s", fuser, luser, nl);
1328 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1331 cprintf("Organization: %s%s", lnode, nl);
1333 /* Blank line signifying RFC822 end-of-headers */
1334 if (TheMessage->cm_format_type != FMT_RFC822) {
1339 /* end header processing loop ... at this point, we're in the text */
1341 mptr = TheMessage->cm_fields['M'];
1343 /* Tell the client about the MIME parts in this message */
1344 if (TheMessage->cm_format_type == FMT_RFC822) {
1345 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1346 mime_parser(mptr, NULL,
1352 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1353 /* FIXME ... we have to put some code in here to avoid
1354 * printing duplicate header information when both
1355 * Citadel and RFC822 headers exist. Preference should
1356 * probably be given to the RFC822 headers.
1358 int done_rfc822_hdrs = 0;
1359 while (ch=*(mptr++), ch!=0) {
1364 if (!done_rfc822_hdrs) {
1365 if (headers_only != HEADERS_NONE) {
1370 if (headers_only != HEADERS_ONLY) {
1374 if ((*(mptr) == 13) || (*(mptr) == 10)) {
1375 done_rfc822_hdrs = 1;
1379 if (done_rfc822_hdrs) {
1380 if (headers_only != HEADERS_NONE) {
1385 if (headers_only != HEADERS_ONLY) {
1389 if ((*mptr == 13) || (*mptr == 10)) {
1390 done_rfc822_hdrs = 1;
1398 if (headers_only == HEADERS_ONLY) {
1402 /* signify start of msg text */
1403 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1404 if (do_proto) cprintf("text\n");
1407 /* If the format type on disk is 1 (fixed-format), then we want
1408 * everything to be output completely literally ... regardless of
1409 * what message transfer format is in use.
1411 if (TheMessage->cm_format_type == FMT_FIXED) {
1412 if (mode == MT_MIME) {
1413 cprintf("Content-type: text/plain\n\n");
1416 while (ch = *mptr++, ch > 0) {
1419 if ((ch == 10) || (strlen(buf) > 250)) {
1420 cprintf("%s%s", buf, nl);
1423 buf[strlen(buf) + 1] = 0;
1424 buf[strlen(buf)] = ch;
1427 if (strlen(buf) > 0)
1428 cprintf("%s%s", buf, nl);
1431 /* If the message on disk is format 0 (Citadel vari-format), we
1432 * output using the formatter at 80 columns. This is the final output
1433 * form if the transfer format is RFC822, but if the transfer format
1434 * is Citadel proprietary, it'll still work, because the indentation
1435 * for new paragraphs is correct and the client will reformat the
1436 * message to the reader's screen width.
1438 if (TheMessage->cm_format_type == FMT_CITADEL) {
1439 if (mode == MT_MIME) {
1440 cprintf("Content-type: text/x-citadel-variformat\n\n");
1442 memfmout(80, mptr, 0, nl);
1445 /* If the message on disk is format 4 (MIME), we've gotta hand it
1446 * off to the MIME parser. The client has already been told that
1447 * this message is format 1 (fixed format), so the callback function
1448 * we use will display those parts as-is.
1450 if (TheMessage->cm_format_type == FMT_RFC822) {
1451 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1452 memset(ma, 0, sizeof(struct ma_info));
1454 if (mode == MT_MIME) {
1455 strcpy(ma->chosen_part, "1");
1456 mime_parser(mptr, NULL,
1457 *choose_preferred, *fixed_output_pre,
1458 *fixed_output_post, NULL, 0);
1459 mime_parser(mptr, NULL,
1460 *output_preferred, NULL, NULL, NULL, 0);
1463 mime_parser(mptr, NULL,
1464 *fixed_output, *fixed_output_pre,
1465 *fixed_output_post, NULL, 0);
1469 DONE: /* now we're done */
1470 if (do_proto) cprintf("000\n");
1477 * display a message (mode 0 - Citadel proprietary)
1479 void cmd_msg0(char *cmdbuf)
1482 int headers_only = HEADERS_ALL;
1484 msgid = extract_long(cmdbuf, 0);
1485 headers_only = extract_int(cmdbuf, 1);
1487 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1493 * display a message (mode 2 - RFC822)
1495 void cmd_msg2(char *cmdbuf)
1498 int headers_only = HEADERS_ALL;
1500 msgid = extract_long(cmdbuf, 0);
1501 headers_only = extract_int(cmdbuf, 1);
1503 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1509 * display a message (mode 3 - IGnet raw format - internal programs only)
1511 void cmd_msg3(char *cmdbuf)
1514 struct CtdlMessage *msg;
1517 if (CC->internal_pgm == 0) {
1518 cprintf("%d This command is for internal programs only.\n",
1519 ERROR + HIGHER_ACCESS_REQUIRED);
1523 msgnum = extract_long(cmdbuf, 0);
1524 msg = CtdlFetchMessage(msgnum);
1526 cprintf("%d Message %ld not found.\n",
1527 ERROR + MESSAGE_NOT_FOUND, msgnum);
1531 serialize_message(&smr, msg);
1532 CtdlFreeMessage(msg);
1535 cprintf("%d Unable to serialize message\n",
1536 ERROR + INTERNAL_ERROR);
1540 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1541 client_write(smr.ser, smr.len);
1548 * Display a message using MIME content types
1550 void cmd_msg4(char *cmdbuf)
1554 msgid = extract_long(cmdbuf, 0);
1555 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1561 * Client tells us its preferred message format(s)
1563 void cmd_msgp(char *cmdbuf)
1565 safestrncpy(CC->preferred_formats, cmdbuf,
1566 sizeof(CC->preferred_formats));
1567 cprintf("%d ok\n", CIT_OK);
1572 * Open a component of a MIME message as a download file
1574 void cmd_opna(char *cmdbuf)
1578 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1580 msgid = extract_long(cmdbuf, 0);
1581 extract(desired_section, cmdbuf, 1);
1583 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1588 * Save a message pointer into a specified room
1589 * (Returns 0 for success, nonzero for failure)
1590 * roomname may be NULL to use the current room
1592 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1594 char hold_rm[ROOMNAMELEN];
1595 struct cdbdata *cdbfr;
1598 long highest_msg = 0L;
1599 struct CtdlMessage *msg = NULL;
1601 lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1602 roomname, msgid, flags);
1604 strcpy(hold_rm, CC->room.QRname);
1606 /* We may need to check to see if this message is real */
1607 if ( (flags & SM_VERIFY_GOODNESS)
1608 || (flags & SM_DO_REPL_CHECK)
1610 msg = CtdlFetchMessage(msgid);
1611 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1614 /* Perform replication checks if necessary */
1615 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1617 if (getroom(&CC->room,
1618 ((roomname != NULL) ? roomname : CC->room.QRname) )
1620 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
1621 if (msg != NULL) CtdlFreeMessage(msg);
1622 return(ERROR + ROOM_NOT_FOUND);
1625 if (ReplicationChecks(msg) != 0) {
1626 getroom(&CC->room, hold_rm);
1627 if (msg != NULL) CtdlFreeMessage(msg);
1628 lprintf(CTDL_DEBUG, "Did replication, and newer exists\n");
1633 /* Now the regular stuff */
1634 if (lgetroom(&CC->room,
1635 ((roomname != NULL) ? roomname : CC->room.QRname) )
1637 lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
1638 if (msg != NULL) CtdlFreeMessage(msg);
1639 return(ERROR + ROOM_NOT_FOUND);
1642 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
1643 if (cdbfr == NULL) {
1647 msglist = mallok(cdbfr->len);
1648 if (msglist == NULL)
1649 lprintf(CTDL_ALERT, "ERROR malloc msglist!\n");
1650 num_msgs = cdbfr->len / sizeof(long);
1651 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1656 /* Make sure the message doesn't already exist in this room. It
1657 * is absolutely taboo to have more than one reference to the same
1658 * message in a room.
1660 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1661 if (msglist[i] == msgid) {
1662 lputroom(&CC->room); /* unlock the room */
1663 getroom(&CC->room, hold_rm);
1664 if (msg != NULL) CtdlFreeMessage(msg);
1665 return(ERROR + ALREADY_EXISTS);
1669 /* Now add the new message */
1671 msglist = reallok(msglist,
1672 (num_msgs * sizeof(long)));
1674 if (msglist == NULL) {
1675 lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
1677 msglist[num_msgs - 1] = msgid;
1679 /* Sort the message list, so all the msgid's are in order */
1680 num_msgs = sort_msglist(msglist, num_msgs);
1682 /* Determine the highest message number */
1683 highest_msg = msglist[num_msgs - 1];
1685 /* Write it back to disk. */
1686 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long),
1687 msglist, num_msgs * sizeof(long));
1689 /* Free up the memory we used. */
1692 /* Update the highest-message pointer and unlock the room. */
1693 CC->room.QRhighest = highest_msg;
1694 lputroom(&CC->room);
1695 getroom(&CC->room, hold_rm);
1697 /* Bump the reference count for this message. */
1698 if ((flags & SM_DONT_BUMP_REF)==0) {
1699 AdjRefCount(msgid, +1);
1702 /* Return success. */
1703 if (msg != NULL) CtdlFreeMessage(msg);
1710 * Message base operation to send a message to the master file
1711 * (returns new message number)
1713 * This is the back end for CtdlSubmitMsg() and should not be directly
1714 * called by server-side modules.
1717 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1718 FILE *save_a_copy) /* save a copy to disk? */
1725 /* Get a new message number */
1726 newmsgid = get_new_message_number();
1727 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1729 /* Generate an ID if we don't have one already */
1730 if (msg->cm_fields['I']==NULL) {
1731 msg->cm_fields['I'] = strdoop(msgidbuf);
1734 serialize_message(&smr, msg);
1737 cprintf("%d Unable to serialize message\n",
1738 ERROR + INTERNAL_ERROR);
1742 /* Write our little bundle of joy into the message base */
1743 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1744 smr.ser, smr.len) < 0) {
1745 lprintf(CTDL_ERR, "Can't store message\n");
1751 /* If the caller specified that a copy should be saved to a particular
1752 * file handle, do that now too.
1754 if (save_a_copy != NULL) {
1755 fwrite(smr.ser, smr.len, 1, save_a_copy);
1758 /* Free the memory we used for the serialized message */
1761 /* Return the *local* message ID to the caller
1762 * (even if we're storing an incoming network message)
1770 * Serialize a struct CtdlMessage into the format used on disk and network.
1772 * This function loads up a "struct ser_ret" (defined in server.h) which
1773 * contains the length of the serialized message and a pointer to the
1774 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1776 void serialize_message(struct ser_ret *ret, /* return values */
1777 struct CtdlMessage *msg) /* unserialized msg */
1781 static char *forder = FORDER;
1783 if (is_valid_message(msg) == 0) return; /* self check */
1786 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1787 ret->len = ret->len +
1788 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1790 lprintf(CTDL_DEBUG, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1791 ret->ser = mallok(ret->len);
1792 if (ret->ser == NULL) {
1798 ret->ser[1] = msg->cm_anon_type;
1799 ret->ser[2] = msg->cm_format_type;
1802 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1803 ret->ser[wlen++] = (char)forder[i];
1804 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1805 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1807 if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
1808 (long)ret->len, (long)wlen);
1816 * Back end for the ReplicationChecks() function
1818 void check_repl(long msgnum, void *userdata) {
1819 struct CtdlMessage *msg;
1820 time_t timestamp = (-1L);
1822 lprintf(CTDL_DEBUG, "check_repl() found message %ld\n", msgnum);
1823 msg = CtdlFetchMessage(msgnum);
1824 if (msg == NULL) return;
1825 if (msg->cm_fields['T'] != NULL) {
1826 timestamp = atol(msg->cm_fields['T']);
1828 CtdlFreeMessage(msg);
1830 if (timestamp > msg_repl->highest) {
1831 msg_repl->highest = timestamp; /* newer! */
1832 lprintf(CTDL_DEBUG, "newer!\n");
1835 lprintf(CTDL_DEBUG, "older!\n");
1837 /* Existing isn't newer? Then delete the old one(s). */
1838 CtdlDeleteMessages(CC->room.QRname, msgnum, "");
1843 * Check to see if any messages already exist which carry the same Extended ID
1847 * -> With older timestamps: delete them and return 0. Message will be saved.
1848 * -> With newer timestamps: return 1. Message save will be aborted.
1850 int ReplicationChecks(struct CtdlMessage *msg) {
1851 struct CtdlMessage *template;
1854 lprintf(CTDL_DEBUG, "ReplicationChecks() started\n");
1855 /* No extended id? Don't do anything. */
1856 if (msg->cm_fields['E'] == NULL) return 0;
1857 if (strlen(msg->cm_fields['E']) == 0) return 0;
1858 lprintf(CTDL_DEBUG, "Extended ID: <%s>\n", msg->cm_fields['E']);
1860 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1861 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1862 msg_repl->highest = atol(msg->cm_fields['T']);
1864 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1865 memset(template, 0, sizeof(struct CtdlMessage));
1866 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1868 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1870 /* If a newer message exists with the same Extended ID, abort
1873 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1877 CtdlFreeMessage(template);
1878 lprintf(CTDL_DEBUG, "ReplicationChecks() returning %d\n", abort_this);
1886 * Save a message to disk and submit it into the delivery system.
1888 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1889 struct recptypes *recps, /* recipients (if mail) */
1890 char *force /* force a particular room? */
1893 char hold_rm[ROOMNAMELEN];
1894 char actual_rm[ROOMNAMELEN];
1895 char force_room[ROOMNAMELEN];
1896 char content_type[SIZ]; /* We have to learn this */
1897 char recipient[SIZ];
1900 struct ctdluser userbuf;
1902 struct MetaData smi;
1903 FILE *network_fp = NULL;
1904 static int seqnum = 1;
1905 struct CtdlMessage *imsg = NULL;
1908 char *hold_R, *hold_D;
1910 lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
1911 if (is_valid_message(msg) == 0) return(-1); /* self check */
1913 /* If this message has no timestamp, we take the liberty of
1914 * giving it one, right now.
1916 if (msg->cm_fields['T'] == NULL) {
1917 lprintf(CTDL_DEBUG, "Generating timestamp\n");
1918 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1919 msg->cm_fields['T'] = strdoop(aaa);
1922 /* If this message has no path, we generate one.
1924 if (msg->cm_fields['P'] == NULL) {
1925 lprintf(CTDL_DEBUG, "Generating path\n");
1926 if (msg->cm_fields['A'] != NULL) {
1927 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1928 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1929 if (isspace(msg->cm_fields['P'][a])) {
1930 msg->cm_fields['P'][a] = ' ';
1935 msg->cm_fields['P'] = strdoop("unknown");
1939 if (force == NULL) {
1940 strcpy(force_room, "");
1943 strcpy(force_room, force);
1946 /* Learn about what's inside, because it's what's inside that counts */
1947 lprintf(CTDL_DEBUG, "Learning what's inside\n");
1948 if (msg->cm_fields['M'] == NULL) {
1949 lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
1953 switch (msg->cm_format_type) {
1955 strcpy(content_type, "text/x-citadel-variformat");
1958 strcpy(content_type, "text/plain");
1961 strcpy(content_type, "text/plain");
1962 /* advance past header fields */
1963 mptr = msg->cm_fields['M'];
1966 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1967 safestrncpy(content_type, mptr,
1968 sizeof(content_type));
1969 strcpy(content_type, &content_type[14]);
1970 for (a = 0; a < strlen(content_type); ++a)
1971 if ((content_type[a] == ';')
1972 || (content_type[a] == ' ')
1973 || (content_type[a] == 13)
1974 || (content_type[a] == 10))
1975 content_type[a] = 0;
1982 /* Goto the correct room */
1983 lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
1984 strcpy(hold_rm, CC->room.QRname);
1985 strcpy(actual_rm, CC->room.QRname);
1986 if (recps != NULL) {
1987 strcpy(actual_rm, SENTITEMS);
1990 /* If the user is a twit, move to the twit room for posting */
1991 lprintf(CTDL_DEBUG, "Handling twit stuff: %s\n",
1992 (CC->user.axlevel == 2) ? config.c_twitroom : "OK");
1994 if (CC->user.axlevel == 2) {
1995 strcpy(hold_rm, actual_rm);
1996 strcpy(actual_rm, config.c_twitroom);
2000 /* ...or if this message is destined for Aide> then go there. */
2001 if (strlen(force_room) > 0) {
2002 strcpy(actual_rm, force_room);
2005 lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
2006 if (strcasecmp(actual_rm, CC->room.QRname)) {
2007 getroom(&CC->room, actual_rm);
2011 * If this message has no O (room) field, generate one.
2013 if (msg->cm_fields['O'] == NULL) {
2014 msg->cm_fields['O'] = strdoop(CC->room.QRname);
2017 /* Perform "before save" hooks (aborting if any return nonzero) */
2018 lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
2019 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
2021 /* If this message has an Extended ID, perform replication checks */
2022 lprintf(CTDL_DEBUG, "Performing replication checks\n");
2023 if (ReplicationChecks(msg) > 0) return(-1);
2025 /* Save it to disk */
2026 lprintf(CTDL_DEBUG, "Saving to disk\n");
2027 newmsgid = send_message(msg, NULL);
2028 if (newmsgid <= 0L) return(-1);
2030 /* Write a supplemental message info record. This doesn't have to
2031 * be a critical section because nobody else knows about this message
2034 lprintf(CTDL_DEBUG, "Creating MetaData record\n");
2035 memset(&smi, 0, sizeof(struct MetaData));
2036 smi.meta_msgnum = newmsgid;
2037 smi.meta_refcount = 0;
2038 safestrncpy(smi.meta_content_type, content_type, 64);
2041 /* Now figure out where to store the pointers */
2042 lprintf(CTDL_DEBUG, "Storing pointers\n");
2044 /* If this is being done by the networker delivering a private
2045 * message, we want to BYPASS saving the sender's copy (because there
2046 * is no local sender; it would otherwise go to the Trashcan).
2048 if ((!CC->internal_pgm) || (recps == NULL)) {
2049 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2050 lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
2051 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2055 /* For internet mail, drop a copy in the outbound queue room */
2057 if (recps->num_internet > 0) {
2058 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2061 /* If other rooms are specified, drop them there too. */
2063 if (recps->num_room > 0)
2064 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2065 extract(recipient, recps->recp_room, i);
2066 lprintf(CTDL_DEBUG, "Delivering to local room <%s>\n", recipient);
2067 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2070 /* Bump this user's messages posted counter. */
2071 lprintf(CTDL_DEBUG, "Updating user\n");
2072 lgetuser(&CC->user, CC->curr_user);
2073 CC->user.posted = CC->user.posted + 1;
2074 lputuser(&CC->user);
2076 /* If this is private, local mail, make a copy in the
2077 * recipient's mailbox and bump the reference count.
2080 if (recps->num_local > 0)
2081 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2082 extract(recipient, recps->recp_local, i);
2083 lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
2085 if (getuser(&userbuf, recipient) == 0) {
2086 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2087 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2088 BumpNewMailCounter(userbuf.usernum);
2091 lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
2092 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2096 /* Perform "after save" hooks */
2097 lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
2098 PerformMessageHooks(msg, EVT_AFTERSAVE);
2100 /* For IGnet mail, we have to save a new copy into the spooler for
2101 * each recipient, with the R and D fields set to the recipient and
2102 * destination-node. This has two ugly side effects: all other
2103 * recipients end up being unlisted in this recipient's copy of the
2104 * message, and it has to deliver multiple messages to the same
2105 * node. We'll revisit this again in a year or so when everyone has
2106 * a network spool receiver that can handle the new style messages.
2109 if (recps->num_ignet > 0)
2110 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2111 extract(recipient, recps->recp_ignet, i);
2113 hold_R = msg->cm_fields['R'];
2114 hold_D = msg->cm_fields['D'];
2115 msg->cm_fields['R'] = mallok(SIZ);
2116 msg->cm_fields['D'] = mallok(SIZ);
2117 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2118 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2120 serialize_message(&smr, msg);
2122 snprintf(aaa, sizeof aaa,
2123 "./network/spoolin/netmail.%04lx.%04x.%04x",
2124 (long) getpid(), CC->cs_pid, ++seqnum);
2125 network_fp = fopen(aaa, "wb+");
2126 if (network_fp != NULL) {
2127 fwrite(smr.ser, smr.len, 1, network_fp);
2133 phree(msg->cm_fields['R']);
2134 phree(msg->cm_fields['D']);
2135 msg->cm_fields['R'] = hold_R;
2136 msg->cm_fields['D'] = hold_D;
2139 /* Go back to the room we started from */
2140 lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
2141 if (strcasecmp(hold_rm, CC->room.QRname))
2142 getroom(&CC->room, hold_rm);
2144 /* For internet mail, generate delivery instructions.
2145 * Yes, this is recursive. Deal with it. Infinite recursion does
2146 * not happen because the delivery instructions message does not
2147 * contain a recipient.
2150 if (recps->num_internet > 0) {
2151 lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
2152 instr = mallok(SIZ * 2);
2153 snprintf(instr, SIZ * 2,
2154 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2156 SPOOLMIME, newmsgid, (long)time(NULL),
2157 msg->cm_fields['A'], msg->cm_fields['N']
2160 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2161 size_t tmp = strlen(instr);
2162 extract(recipient, recps->recp_internet, i);
2163 snprintf(&instr[tmp], SIZ * 2 - tmp,
2164 "remote|%s|0||\n", recipient);
2167 imsg = mallok(sizeof(struct CtdlMessage));
2168 memset(imsg, 0, sizeof(struct CtdlMessage));
2169 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2170 imsg->cm_anon_type = MES_NORMAL;
2171 imsg->cm_format_type = FMT_RFC822;
2172 imsg->cm_fields['A'] = strdoop("Citadel");
2173 imsg->cm_fields['M'] = instr;
2174 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2175 CtdlFreeMessage(imsg);
2184 * Convenience function for generating small administrative messages.
2186 void quickie_message(char *from, char *to, char *room, char *text,
2187 int format_type, char *subject)
2189 struct CtdlMessage *msg;
2190 struct recptypes *recp = NULL;
2192 msg = mallok(sizeof(struct CtdlMessage));
2193 memset(msg, 0, sizeof(struct CtdlMessage));
2194 msg->cm_magic = CTDLMESSAGE_MAGIC;
2195 msg->cm_anon_type = MES_NORMAL;
2196 msg->cm_format_type = format_type;
2197 msg->cm_fields['A'] = strdoop(from);
2198 if (room != NULL) msg->cm_fields['O'] = strdoop(room);
2199 msg->cm_fields['N'] = strdoop(NODENAME);
2201 msg->cm_fields['R'] = strdoop(to);
2202 recp = validate_recipients(to);
2204 if (subject != NULL) {
2205 msg->cm_fields['U'] = strdoop(subject);
2207 msg->cm_fields['M'] = strdoop(text);
2209 CtdlSubmitMsg(msg, recp, room);
2210 CtdlFreeMessage(msg);
2211 if (recp != NULL) phree(recp);
2217 * Back end function used by CtdlMakeMessage() and similar functions
2219 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2220 size_t maxlen, /* maximum message length */
2221 char *exist, /* if non-null, append to it;
2222 exist is ALWAYS freed */
2223 int crlf /* CRLF newlines instead of LF */
2227 size_t message_len = 0;
2228 size_t buffer_len = 0;
2234 if (exist == NULL) {
2241 message_len = strlen(exist);
2242 buffer_len = message_len + 4096;
2243 m = reallok(exist, buffer_len);
2250 /* flush the input if we have nowhere to store it */
2255 /* read in the lines of message text one by one */
2257 if (client_gets(buf) < 1) finished = 1;
2258 if (!strcmp(buf, terminator)) finished = 1;
2260 strcat(buf, "\r\n");
2266 if ( (!flushing) && (!finished) ) {
2267 /* Measure the line */
2268 linelen = strlen(buf);
2270 /* augment the buffer if we have to */
2271 if ((message_len + linelen) >= buffer_len) {
2272 ptr = reallok(m, (buffer_len * 2) );
2273 if (ptr == NULL) { /* flush if can't allocate */
2276 buffer_len = (buffer_len * 2);
2278 lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
2282 /* Add the new line to the buffer. NOTE: this loop must avoid
2283 * using functions like strcat() and strlen() because they
2284 * traverse the entire buffer upon every call, and doing that
2285 * for a multi-megabyte message slows it down beyond usability.
2287 strcpy(&m[message_len], buf);
2288 message_len += linelen;
2291 /* if we've hit the max msg length, flush the rest */
2292 if (message_len >= maxlen) flushing = 1;
2294 } while (!finished);
2302 * Build a binary message to be saved on disk.
2303 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2304 * will become part of the message. This means you are no longer
2305 * responsible for managing that memory -- it will be freed along with
2306 * the rest of the fields when CtdlFreeMessage() is called.)
2309 struct CtdlMessage *CtdlMakeMessage(
2310 struct ctdluser *author, /* author's user structure */
2311 char *recipient, /* NULL if it's not mail */
2312 char *room, /* room where it's going */
2313 int type, /* see MES_ types in header file */
2314 int format_type, /* variformat, plain text, MIME... */
2315 char *fake_name, /* who we're masquerading as */
2316 char *subject, /* Subject (optional) */
2317 char *preformatted_text /* ...or NULL to read text from client */
2319 char dest_node[SIZ];
2321 struct CtdlMessage *msg;
2323 msg = mallok(sizeof(struct CtdlMessage));
2324 memset(msg, 0, sizeof(struct CtdlMessage));
2325 msg->cm_magic = CTDLMESSAGE_MAGIC;
2326 msg->cm_anon_type = type;
2327 msg->cm_format_type = format_type;
2329 /* Don't confuse the poor folks if it's not routed mail. */
2330 strcpy(dest_node, "");
2334 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2335 msg->cm_fields['P'] = strdoop(buf);
2337 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2338 msg->cm_fields['T'] = strdoop(buf);
2340 if (fake_name[0]) /* author */
2341 msg->cm_fields['A'] = strdoop(fake_name);
2343 msg->cm_fields['A'] = strdoop(author->fullname);
2345 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2346 msg->cm_fields['O'] = strdoop(&CC->room.QRname[11]);
2349 msg->cm_fields['O'] = strdoop(CC->room.QRname);
2352 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2353 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2355 if (recipient[0] != 0) {
2356 msg->cm_fields['R'] = strdoop(recipient);
2358 if (dest_node[0] != 0) {
2359 msg->cm_fields['D'] = strdoop(dest_node);
2362 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2363 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2366 if (subject != NULL) {
2368 if (strlen(subject) > 0) {
2369 msg->cm_fields['U'] = strdoop(subject);
2373 if (preformatted_text != NULL) {
2374 msg->cm_fields['M'] = preformatted_text;
2377 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2378 config.c_maxmsglen, NULL, 0);
2386 * Check to see whether we have permission to post a message in the current
2387 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2388 * returns 0 on success.
2390 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2392 if (!(CC->logged_in)) {
2393 snprintf(errmsgbuf, n, "Not logged in.");
2394 return (ERROR + NOT_LOGGED_IN);
2397 if ((CC->user.axlevel < 2)
2398 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2399 snprintf(errmsgbuf, n, "Need to be validated to enter "
2400 "(except in %s> to sysop)", MAILROOM);
2401 return (ERROR + HIGHER_ACCESS_REQUIRED);
2404 if ((CC->user.axlevel < 4)
2405 && (CC->room.QRflags & QR_NETWORK)) {
2406 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2407 return (ERROR + HIGHER_ACCESS_REQUIRED);
2410 if ((CC->user.axlevel < 6)
2411 && (CC->room.QRflags & QR_READONLY)) {
2412 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2413 return (ERROR + HIGHER_ACCESS_REQUIRED);
2416 strcpy(errmsgbuf, "Ok");
2422 * Check to see if the specified user has Internet mail permission
2423 * (returns nonzero if permission is granted)
2425 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
2427 /* Globally enabled? */
2428 if (config.c_restrict == 0) return(1);
2430 /* User flagged ok? */
2431 if (who->flags & US_INTERNET) return(2);
2433 /* Aide level access? */
2434 if (who->axlevel >= 6) return(3);
2436 /* No mail for you! */
2443 * Validate recipients, count delivery types and errors, and handle aliasing
2444 * FIXME check for dupes!!!!!
2446 struct recptypes *validate_recipients(char *recipients) {
2447 struct recptypes *ret;
2448 char this_recp[SIZ];
2449 char this_recp_cooked[SIZ];
2455 struct ctdluser tempUS;
2456 struct ctdlroom tempQR;
2459 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2460 if (ret == NULL) return(NULL);
2461 memset(ret, 0, sizeof(struct recptypes));
2464 ret->num_internet = 0;
2469 if (recipients == NULL) {
2472 else if (strlen(recipients) == 0) {
2476 /* Change all valid separator characters to commas */
2477 for (i=0; i<strlen(recipients); ++i) {
2478 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2479 recipients[i] = ',';
2484 num_recps = num_tokens(recipients, ',');
2487 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2488 extract_token(this_recp, recipients, i, ',');
2490 lprintf(CTDL_DEBUG, "Evaluating recipient #%d <%s>\n", i, this_recp);
2491 mailtype = alias(this_recp);
2492 mailtype = alias(this_recp);
2493 mailtype = alias(this_recp);
2494 for (j=0; j<=strlen(this_recp); ++j) {
2495 if (this_recp[j]=='_') {
2496 this_recp_cooked[j] = ' ';
2499 this_recp_cooked[j] = this_recp[j];
2505 if (!strcasecmp(this_recp, "sysop")) {
2507 strcpy(this_recp, config.c_aideroom);
2508 if (strlen(ret->recp_room) > 0) {
2509 strcat(ret->recp_room, "|");
2511 strcat(ret->recp_room, this_recp);
2513 else if (getuser(&tempUS, this_recp) == 0) {
2515 strcpy(this_recp, tempUS.fullname);
2516 if (strlen(ret->recp_local) > 0) {
2517 strcat(ret->recp_local, "|");
2519 strcat(ret->recp_local, this_recp);
2521 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2523 strcpy(this_recp, tempUS.fullname);
2524 if (strlen(ret->recp_local) > 0) {
2525 strcat(ret->recp_local, "|");
2527 strcat(ret->recp_local, this_recp);
2529 else if ( (!strncasecmp(this_recp, "room_", 5))
2530 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2532 if (strlen(ret->recp_room) > 0) {
2533 strcat(ret->recp_room, "|");
2535 strcat(ret->recp_room, &this_recp_cooked[5]);
2543 /* Yes, you're reading this correctly: if the target
2544 * domain points back to the local system or an attached
2545 * Citadel directory, the address is invalid. That's
2546 * because if the address were valid, we would have
2547 * already translated it to a local address by now.
2549 if (IsDirectory(this_recp)) {
2554 ++ret->num_internet;
2555 if (strlen(ret->recp_internet) > 0) {
2556 strcat(ret->recp_internet, "|");
2558 strcat(ret->recp_internet, this_recp);
2563 if (strlen(ret->recp_ignet) > 0) {
2564 strcat(ret->recp_ignet, "|");
2566 strcat(ret->recp_ignet, this_recp);
2574 if (strlen(ret->errormsg) == 0) {
2575 snprintf(append, sizeof append,
2576 "Invalid recipient: %s",
2580 snprintf(append, sizeof append,
2583 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2584 strcat(ret->errormsg, append);
2588 if (strlen(ret->display_recp) == 0) {
2589 strcpy(append, this_recp);
2592 snprintf(append, sizeof append, ", %s",
2595 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2596 strcat(ret->display_recp, append);
2601 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2602 ret->num_room + ret->num_error) == 0) {
2604 strcpy(ret->errormsg, "No recipients specified.");
2607 lprintf(CTDL_DEBUG, "validate_recipients()\n");
2608 lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2609 lprintf(CTDL_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2610 lprintf(CTDL_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2611 lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2612 lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2620 * message entry - mode 0 (normal)
2622 void cmd_ent0(char *entargs)
2626 char masquerade_as[SIZ];
2628 int format_type = 0;
2629 char newusername[SIZ];
2630 struct CtdlMessage *msg;
2634 struct recptypes *valid = NULL;
2637 post = extract_int(entargs, 0);
2638 extract(recp, entargs, 1);
2639 anon_flag = extract_int(entargs, 2);
2640 format_type = extract_int(entargs, 3);
2641 extract(subject, entargs, 4);
2643 /* first check to make sure the request is valid. */
2645 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2647 cprintf("%d %s\n", err, errmsg);
2651 /* Check some other permission type things. */
2654 if (CC->user.axlevel < 6) {
2655 cprintf("%d You don't have permission to masquerade.\n",
2656 ERROR + HIGHER_ACCESS_REQUIRED);
2659 extract(newusername, entargs, 5);
2660 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2661 safestrncpy(CC->fake_postname, newusername,
2662 sizeof(CC->fake_postname) );
2663 cprintf("%d ok\n", CIT_OK);
2666 CC->cs_flags |= CS_POSTING;
2668 /* In the Mail> room we have to behave a little differently --
2669 * make sure the user has specified at least one recipient. Then
2670 * validate the recipient(s).
2672 if ( (CC->room.QRflags & QR_MAILBOX)
2673 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
2675 if (CC->user.axlevel < 2) {
2676 strcpy(recp, "sysop");
2679 valid = validate_recipients(recp);
2680 if (valid->num_error > 0) {
2682 ERROR + NO_SUCH_USER, valid->errormsg);
2686 if (valid->num_internet > 0) {
2687 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
2688 cprintf("%d You do not have permission "
2689 "to send Internet mail.\n",
2690 ERROR + HIGHER_ACCESS_REQUIRED);
2696 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2697 && (CC->user.axlevel < 4) ) {
2698 cprintf("%d Higher access required for network mail.\n",
2699 ERROR + HIGHER_ACCESS_REQUIRED);
2704 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2705 && ((CC->user.flags & US_INTERNET) == 0)
2706 && (!CC->internal_pgm)) {
2707 cprintf("%d You don't have access to Internet mail.\n",
2708 ERROR + HIGHER_ACCESS_REQUIRED);
2715 /* Is this a room which has anonymous-only or anonymous-option? */
2716 anonymous = MES_NORMAL;
2717 if (CC->room.QRflags & QR_ANONONLY) {
2718 anonymous = MES_ANONONLY;
2720 if (CC->room.QRflags & QR_ANONOPT) {
2721 if (anon_flag == 1) { /* only if the user requested it */
2722 anonymous = MES_ANONOPT;
2726 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
2730 /* If we're only checking the validity of the request, return
2731 * success without creating the message.
2734 cprintf("%d %s\n", CIT_OK,
2735 ((valid != NULL) ? valid->display_recp : "") );
2740 /* Handle author masquerading */
2741 if (CC->fake_postname[0]) {
2742 strcpy(masquerade_as, CC->fake_postname);
2744 else if (CC->fake_username[0]) {
2745 strcpy(masquerade_as, CC->fake_username);
2748 strcpy(masquerade_as, "");
2751 /* Read in the message from the client. */
2752 cprintf("%d send message\n", SEND_LISTING);
2753 msg = CtdlMakeMessage(&CC->user, recp,
2754 CC->room.QRname, anonymous, format_type,
2755 masquerade_as, subject, NULL);
2758 CtdlSubmitMsg(msg, valid, "");
2759 CtdlFreeMessage(msg);
2761 CC->fake_postname[0] = '\0';
2769 * API function to delete messages which match a set of criteria
2770 * (returns the actual number of messages deleted)
2772 int CtdlDeleteMessages(char *room_name, /* which room */
2773 long dmsgnum, /* or "0" for any */
2774 char *content_type /* or "" for any */
2778 struct ctdlroom qrbuf;
2779 struct cdbdata *cdbfr;
2780 long *msglist = NULL;
2781 long *dellist = NULL;
2784 int num_deleted = 0;
2786 struct MetaData smi;
2788 lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %ld, %s)\n",
2789 room_name, dmsgnum, content_type);
2791 /* get room record, obtaining a lock... */
2792 if (lgetroom(&qrbuf, room_name) != 0) {
2793 lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
2795 return (0); /* room not found */
2797 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2799 if (cdbfr != NULL) {
2800 msglist = mallok(cdbfr->len);
2801 dellist = mallok(cdbfr->len);
2802 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2803 num_msgs = cdbfr->len / sizeof(long);
2807 for (i = 0; i < num_msgs; ++i) {
2810 /* Set/clear a bit for each criterion */
2812 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2813 delete_this |= 0x01;
2815 if (strlen(content_type) == 0) {
2816 delete_this |= 0x02;
2818 GetMetaData(&smi, msglist[i]);
2819 if (!strcasecmp(smi.meta_content_type,
2821 delete_this |= 0x02;
2825 /* Delete message only if all bits are set */
2826 if (delete_this == 0x03) {
2827 dellist[num_deleted++] = msglist[i];
2832 num_msgs = sort_msglist(msglist, num_msgs);
2833 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2834 msglist, (num_msgs * sizeof(long)));
2836 qrbuf.QRhighest = msglist[num_msgs - 1];
2840 /* Go through the messages we pulled out of the index, and decrement
2841 * their reference counts by 1. If this is the only room the message
2842 * was in, the reference count will reach zero and the message will
2843 * automatically be deleted from the database. We do this in a
2844 * separate pass because there might be plug-in hooks getting called,
2845 * and we don't want that happening during an S_ROOMS critical
2848 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2849 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2850 AdjRefCount(dellist[i], -1);
2853 /* Now free the memory we used, and go away. */
2854 if (msglist != NULL) phree(msglist);
2855 if (dellist != NULL) phree(dellist);
2856 lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
2857 return (num_deleted);
2863 * Check whether the current user has permission to delete messages from
2864 * the current room (returns 1 for yes, 0 for no)
2866 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2867 getuser(&CC->user, CC->curr_user);
2868 if ((CC->user.axlevel < 6)
2869 && (CC->user.usernum != CC->room.QRroomaide)
2870 && ((CC->room.QRflags & QR_MAILBOX) == 0)
2871 && (!(CC->internal_pgm))) {
2880 * Delete message from current room
2882 void cmd_dele(char *delstr)
2887 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2888 cprintf("%d Higher access required.\n",
2889 ERROR + HIGHER_ACCESS_REQUIRED);
2892 delnum = extract_long(delstr, 0);
2894 num_deleted = CtdlDeleteMessages(CC->room.QRname, delnum, "");
2897 cprintf("%d %d message%s deleted.\n", CIT_OK,
2898 num_deleted, ((num_deleted != 1) ? "s" : ""));
2900 cprintf("%d Message %ld not found.\n", ERROR + MESSAGE_NOT_FOUND, delnum);
2906 * Back end API function for moves and deletes
2908 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2911 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2912 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2913 if (err != 0) return(err);
2921 * move or copy a message to another room
2923 void cmd_move(char *args)
2927 struct ctdlroom qtemp;
2932 num = extract_long(args, 0);
2933 extract(targ, args, 1);
2934 targ[ROOMNAMELEN - 1] = 0;
2935 is_copy = extract_int(args, 2);
2937 if (getroom(&qtemp, targ) != 0) {
2938 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
2942 getuser(&CC->user, CC->curr_user);
2943 ra = CtdlRoomAccess(&qtemp, &CC->user);
2944 /* Aides can move/copy */
2945 if ((CC->user.axlevel < 6)
2946 /* Roomaides can move/copy */
2947 && (CC->user.usernum != CC->room.QRroomaide)
2948 /* Permit move/copy from personal rooms */
2949 && (!((CC->room.QRflags & QR_MAILBOX)
2950 && (qtemp.QRflags & QR_MAILBOX)))
2951 /* Permit only copy from public to personal room */
2952 && (!(is_copy && (CC->room.QRflags & QR_MAILBOX)
2953 || (qtemp.QRflags & QR_MAILBOX)))
2954 /* User must have access to target room */
2955 && !((ra & UA_KNOWN))) {
2956 cprintf("%d Higher access required.\n",
2957 ERROR + HIGHER_ACCESS_REQUIRED);
2961 err = CtdlCopyMsgToRoom(num, targ);
2963 cprintf("%d Cannot store message in %s: error %d\n",
2968 /* Now delete the message from the source room,
2969 * if this is a 'move' rather than a 'copy' operation.
2972 CtdlDeleteMessages(CC->room.QRname, num, "");
2975 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2981 * GetMetaData() - Get the supplementary record for a message
2983 void GetMetaData(struct MetaData *smibuf, long msgnum)
2986 struct cdbdata *cdbsmi;
2989 memset(smibuf, 0, sizeof(struct MetaData));
2990 smibuf->meta_msgnum = msgnum;
2991 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2993 /* Use the negative of the message number for its supp record index */
2994 TheIndex = (0L - msgnum);
2996 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2997 if (cdbsmi == NULL) {
2998 return; /* record not found; go with defaults */
3000 memcpy(smibuf, cdbsmi->ptr,
3001 ((cdbsmi->len > sizeof(struct MetaData)) ?
3002 sizeof(struct MetaData) : cdbsmi->len));
3009 * PutMetaData() - (re)write supplementary record for a message
3011 void PutMetaData(struct MetaData *smibuf)
3015 /* Use the negative of the message number for the metadata db index */
3016 TheIndex = (0L - smibuf->meta_msgnum);
3018 lprintf(CTDL_DEBUG, "PutMetaData(%ld) - ref count is %d\n",
3019 smibuf->meta_msgnum, smibuf->meta_refcount);
3021 cdb_store(CDB_MSGMAIN,
3022 &TheIndex, sizeof(long),
3023 smibuf, sizeof(struct MetaData));
3028 * AdjRefCount - change the reference count for a message;
3029 * delete the message if it reaches zero
3031 void AdjRefCount(long msgnum, int incr)
3034 struct MetaData smi;
3037 /* This is a *tight* critical section; please keep it that way, as
3038 * it may get called while nested in other critical sections.
3039 * Complicating this any further will surely cause deadlock!
3041 begin_critical_section(S_SUPPMSGMAIN);
3042 GetMetaData(&smi, msgnum);
3043 lprintf(CTDL_DEBUG, "Ref count for message <%ld> before write is <%d>\n",
3044 msgnum, smi.meta_refcount);
3045 smi.meta_refcount += incr;
3047 end_critical_section(S_SUPPMSGMAIN);
3048 lprintf(CTDL_DEBUG, "Ref count for message <%ld> after write is <%d>\n",
3049 msgnum, smi.meta_refcount);
3051 /* If the reference count is now zero, delete the message
3052 * (and its supplementary record as well).
3054 if (smi.meta_refcount == 0) {
3055 lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
3057 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3059 /* We have to delete the metadata record too! */
3060 delnum = (0L - msgnum);
3061 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3066 * Write a generic object to this room
3068 * Note: this could be much more efficient. Right now we use two temporary
3069 * files, and still pull the message into memory as with all others.
3071 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3072 char *content_type, /* MIME type of this object */
3073 char *tempfilename, /* Where to fetch it from */
3074 struct ctdluser *is_mailbox, /* Mailbox room? */
3075 int is_binary, /* Is encoding necessary? */
3076 int is_unique, /* Del others of this type? */
3077 unsigned int flags /* Internal save flags */
3082 struct ctdlroom qrbuf;
3083 char roomname[ROOMNAMELEN];
3084 struct CtdlMessage *msg;
3086 char *raw_message = NULL;
3087 char *encoded_message = NULL;
3088 off_t raw_length = 0;
3090 if (is_mailbox != NULL)
3091 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3093 safestrncpy(roomname, req_room, sizeof(roomname));
3094 lprintf(CTDL_DEBUG, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3097 fp = fopen(tempfilename, "rb");
3099 lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
3100 tempfilename, strerror(errno));
3103 fseek(fp, 0L, SEEK_END);
3104 raw_length = ftell(fp);
3106 lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
3108 raw_message = mallok((size_t)raw_length + 2);
3109 fread(raw_message, (size_t)raw_length, 1, fp);
3113 encoded_message = mallok((size_t)
3114 (((raw_length * 134) / 100) + 4096 ) );
3117 encoded_message = mallok((size_t)(raw_length + 4096));
3120 sprintf(encoded_message, "Content-type: %s\n", content_type);
3123 sprintf(&encoded_message[strlen(encoded_message)],
3124 "Content-transfer-encoding: base64\n\n"
3128 sprintf(&encoded_message[strlen(encoded_message)],
3129 "Content-transfer-encoding: 7bit\n\n"
3135 &encoded_message[strlen(encoded_message)],
3141 raw_message[raw_length] = 0;
3143 &encoded_message[strlen(encoded_message)],
3151 lprintf(CTDL_DEBUG, "Allocating\n");
3152 msg = mallok(sizeof(struct CtdlMessage));
3153 memset(msg, 0, sizeof(struct CtdlMessage));
3154 msg->cm_magic = CTDLMESSAGE_MAGIC;
3155 msg->cm_anon_type = MES_NORMAL;
3156 msg->cm_format_type = 4;
3157 msg->cm_fields['A'] = strdoop(CC->user.fullname);
3158 msg->cm_fields['O'] = strdoop(req_room);
3159 msg->cm_fields['N'] = strdoop(config.c_nodename);
3160 msg->cm_fields['H'] = strdoop(config.c_humannode);
3161 msg->cm_flags = flags;
3163 msg->cm_fields['M'] = encoded_message;
3165 /* Create the requested room if we have to. */
3166 if (getroom(&qrbuf, roomname) != 0) {
3167 create_room(roomname,
3168 ( (is_mailbox != NULL) ? 5 : 3 ),
3171 /* If the caller specified this object as unique, delete all
3172 * other objects of this type that are currently in the room.
3175 lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
3176 CtdlDeleteMessages(roomname, 0L, content_type));
3178 /* Now write the data */
3179 CtdlSubmitMsg(msg, NULL, roomname);
3180 CtdlFreeMessage(msg);
3188 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3189 config_msgnum = msgnum;
3193 char *CtdlGetSysConfig(char *sysconfname) {
3194 char hold_rm[ROOMNAMELEN];
3197 struct CtdlMessage *msg;
3200 strcpy(hold_rm, CC->room.QRname);
3201 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
3202 getroom(&CC->room, hold_rm);
3207 /* We want the last (and probably only) config in this room */
3208 begin_critical_section(S_CONFIG);
3209 config_msgnum = (-1L);
3210 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3211 CtdlGetSysConfigBackend, NULL);
3212 msgnum = config_msgnum;
3213 end_critical_section(S_CONFIG);
3219 msg = CtdlFetchMessage(msgnum);
3221 conf = strdoop(msg->cm_fields['M']);
3222 CtdlFreeMessage(msg);
3229 getroom(&CC->room, hold_rm);
3231 if (conf != NULL) do {
3232 extract_token(buf, conf, 0, '\n');
3233 strcpy(conf, &conf[strlen(buf)+1]);
3234 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3239 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3240 char temp[PATH_MAX];
3243 strcpy(temp, tmpnam(NULL));
3245 fp = fopen(temp, "w");
3246 if (fp == NULL) return;
3247 fprintf(fp, "%s", sysconfdata);
3250 /* this handy API function does all the work for us */
3251 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3257 * Determine whether a given Internet address belongs to the current user
3259 int CtdlIsMe(char *addr) {
3260 struct recptypes *recp;
3263 recp = validate_recipients(addr);
3264 if (recp == NULL) return(0);
3266 if (recp->num_local == 0) {
3271 for (i=0; i<recp->num_local; ++i) {
3272 extract(addr, recp->recp_local, i);
3273 if (!strcasecmp(addr, CC->user.fullname)) {
3285 * Citadel protocol command to do the same
3287 void cmd_isme(char *argbuf) {
3290 if (CtdlAccessCheck(ac_logged_in)) return;
3291 extract(addr, argbuf, 0);
3293 if (CtdlIsMe(addr)) {
3294 cprintf("%d %s\n", CIT_OK, addr);
3297 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);