4 * Implements the message store.
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
39 #include "dynloader.h"
43 #include "sysdep_decls.h"
44 #include "citserver.h"
50 #include "mime_parser.h"
53 #include "internet_addressing.h"
55 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
56 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
57 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
59 extern struct config config;
63 "", "", "", "", "", "", "", "",
64 "", "", "", "", "", "", "", "",
65 "", "", "", "", "", "", "", "",
66 "", "", "", "", "", "", "", "",
67 "", "", "", "", "", "", "", "",
68 "", "", "", "", "", "", "", "",
69 "", "", "", "", "", "", "", "",
70 "", "", "", "", "", "", "", "",
97 * This function is self explanatory.
98 * (What can I say, I'm in a weird mood today...)
100 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
104 for (i = 0; i < strlen(name); ++i) {
105 if (name[i] == '@') {
106 while (isspace(name[i - 1]) && i > 0) {
107 strcpy(&name[i - 1], &name[i]);
110 while (isspace(name[i + 1])) {
111 strcpy(&name[i + 1], &name[i + 2]);
119 * Aliasing for network mail.
120 * (Error messages have been commented out, because this is a server.)
122 int alias(char *name)
123 { /* process alias and routing info for mail */
126 char aaa[SIZ], bbb[SIZ];
127 char *ignetcfg = NULL;
128 char *ignetmap = NULL;
135 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
137 fp = fopen("network/mail.aliases", "r");
139 fp = fopen("/dev/null", "r");
146 while (fgets(aaa, sizeof aaa, fp) != NULL) {
147 while (isspace(name[0]))
148 strcpy(name, &name[1]);
149 aaa[strlen(aaa) - 1] = 0;
151 for (a = 0; a < strlen(aaa); ++a) {
153 strcpy(bbb, &aaa[a + 1]);
157 if (!strcasecmp(name, aaa))
162 /* Hit the Global Address Book */
163 if (CtdlDirectoryLookup(aaa, name) == 0) {
167 lprintf(7, "Mail is being forwarded to %s\n", name);
169 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
170 for (a=0; a<strlen(name); ++a) {
171 if (name[a] == '@') {
172 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
174 lprintf(7, "Changed to <%s>\n", name);
179 /* determine local or remote type, see citadel.h */
180 at = haschar(name, '@');
181 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
182 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
183 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
185 /* figure out the delivery mode */
186 extract_token(node, name, 1, '@');
188 /* If there are one or more dots in the nodename, we assume that it
189 * is an FQDN and will attempt SMTP delivery to the Internet.
191 if (haschar(node, '.') > 0) {
192 return(MES_INTERNET);
195 /* Otherwise we look in the IGnet maps for a valid Citadel node.
196 * Try directly-connected nodes first...
198 ignetcfg = CtdlGetSysConfig(IGNETCFG);
199 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
200 extract_token(buf, ignetcfg, i, '\n');
201 extract_token(testnode, buf, 0, '|');
202 if (!strcasecmp(node, testnode)) {
210 * Then try nodes that are two or more hops away.
212 ignetmap = CtdlGetSysConfig(IGNETMAP);
213 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
214 extract_token(buf, ignetmap, i, '\n');
215 extract_token(testnode, buf, 0, '|');
216 if (!strcasecmp(node, testnode)) {
223 /* If we get to this point it's an invalid node name */
232 fp = fopen("citadel.control", "r");
233 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
239 void simple_listing(long msgnum, void *userdata)
241 cprintf("%ld\n", msgnum);
246 /* Determine if a given message matches the fields in a message template.
247 * Return 0 for a successful match.
249 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
252 /* If there aren't any fields in the template, all messages will
255 if (template == NULL) return(0);
257 /* Null messages are bogus. */
258 if (msg == NULL) return(1);
260 for (i='A'; i<='Z'; ++i) {
261 if (template->cm_fields[i] != NULL) {
262 if (msg->cm_fields[i] == NULL) {
265 if (strcasecmp(msg->cm_fields[i],
266 template->cm_fields[i])) return 1;
270 /* All compares succeeded: we have a match! */
276 * Manipulate the "seen msgs" string.
278 void CtdlSetSeen(long target_msgnum, int target_setting) {
280 struct cdbdata *cdbfr;
290 /* Learn about the user and room in question */
292 getuser(&CC->usersupp, CC->curr_user);
293 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
295 /* Load the message list */
296 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
298 msglist = mallok(cdbfr->len);
299 memcpy(msglist, cdbfr->ptr, cdbfr->len);
300 num_msgs = cdbfr->len / sizeof(long);
303 return; /* No messages at all? No further action. */
306 lprintf(9, "before optimize: %s\n", vbuf.v_seen);
309 for (i=0; i<num_msgs; ++i) {
312 if (msglist[i] == target_msgnum) {
313 is_seen = target_setting;
316 if (is_msg_in_mset(vbuf.v_seen, msglist[i])) {
322 if (lo < 0L) lo = msglist[i];
325 if ( ((is_seen == 0) && (was_seen == 1))
326 || ((is_seen == 1) && (i == num_msgs-1)) ) {
327 if ( (strlen(newseen) + 20) > SIZ) {
328 strcpy(newseen, &newseen[20]);
331 if (strlen(newseen) > 0) strcat(newseen, ",");
333 sprintf(&newseen[strlen(newseen)], "%ld", lo);
336 sprintf(&newseen[strlen(newseen)], "%ld:%ld",
345 safestrncpy(vbuf.v_seen, newseen, SIZ);
346 lprintf(9, " after optimize: %s\n", vbuf.v_seen);
348 CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
353 * API function to perform an operation for each qualifying message in the
354 * current room. (Returns the number of messages processed.)
356 int CtdlForEachMessage(int mode, long ref,
357 int moderation_level,
359 struct CtdlMessage *compare,
360 void (*CallBack) (long, void *),
366 struct cdbdata *cdbfr;
367 long *msglist = NULL;
369 int num_processed = 0;
372 struct CtdlMessage *msg;
375 int printed_lastold = 0;
377 /* Learn about the user and room in question */
379 getuser(&CC->usersupp, CC->curr_user);
380 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
382 /* Load the message list */
383 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
385 msglist = mallok(cdbfr->len);
386 memcpy(msglist, cdbfr->ptr, cdbfr->len);
387 num_msgs = cdbfr->len / sizeof(long);
390 return 0; /* No messages at all? No further action. */
395 * Now begin the traversal.
397 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
398 GetMetaData(&smi, msglist[a]);
400 /* Filter out messages that are moderated below the level
401 * currently being viewed at.
403 if (smi.meta_mod < moderation_level) {
407 /* If the caller is looking for a specific MIME type, filter
408 * out all messages which are not of the type requested.
410 if (content_type != NULL) if (strlen(content_type) > 0) {
411 if (strcasecmp(smi.meta_content_type, content_type)) {
417 num_msgs = sort_msglist(msglist, num_msgs);
419 /* If a template was supplied, filter out the messages which
420 * don't match. (This could induce some delays!)
423 if (compare != NULL) {
424 for (a = 0; a < num_msgs; ++a) {
425 msg = CtdlFetchMessage(msglist[a]);
427 if (CtdlMsgCmp(msg, compare)) {
430 CtdlFreeMessage(msg);
438 * Now iterate through the message list, according to the
439 * criteria supplied by the caller.
442 for (a = 0; a < num_msgs; ++a) {
443 thismsg = msglist[a];
444 is_seen = is_msg_in_mset(vbuf.v_seen, thismsg);
445 if (is_seen) lastold = thismsg;
450 || ((mode == MSGS_OLD) && (is_seen))
451 || ((mode == MSGS_NEW) && (!is_seen))
452 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
453 || ((mode == MSGS_FIRST) && (a < ref))
454 || ((mode == MSGS_GT) && (thismsg > ref))
455 || ((mode == MSGS_EQ) && (thismsg == ref))
458 if ((mode == MSGS_NEW) && (CC->usersupp.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
460 CallBack(lastold, userdata);
464 if (CallBack) CallBack(thismsg, userdata);
468 phree(msglist); /* Clean up */
469 return num_processed;
475 * cmd_msgs() - get list of message #'s in this room
476 * implements the MSGS server command using CtdlForEachMessage()
478 void cmd_msgs(char *cmdbuf)
487 int with_template = 0;
488 struct CtdlMessage *template = NULL;
490 extract(which, cmdbuf, 0);
491 cm_ref = extract_int(cmdbuf, 1);
492 with_template = extract_int(cmdbuf, 2);
496 if (!strncasecmp(which, "OLD", 3))
498 else if (!strncasecmp(which, "NEW", 3))
500 else if (!strncasecmp(which, "FIRST", 5))
502 else if (!strncasecmp(which, "LAST", 4))
504 else if (!strncasecmp(which, "GT", 2))
507 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
508 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
513 cprintf("%d Send template then receive message list\n",
515 template = (struct CtdlMessage *)
516 mallok(sizeof(struct CtdlMessage));
517 memset(template, 0, sizeof(struct CtdlMessage));
518 while(client_gets(buf), strcmp(buf,"000")) {
519 extract(tfield, buf, 0);
520 extract(tvalue, buf, 1);
521 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
522 if (!strcasecmp(tfield, msgkeys[i])) {
523 template->cm_fields[i] =
530 cprintf("%d Message list...\n", LISTING_FOLLOWS);
533 CtdlForEachMessage(mode, cm_ref,
534 CC->usersupp.moderation_filter,
535 NULL, template, simple_listing, NULL);
536 if (template != NULL) CtdlFreeMessage(template);
544 * help_subst() - support routine for help file viewer
546 void help_subst(char *strbuf, char *source, char *dest)
551 while (p = pattern2(strbuf, source), (p >= 0)) {
552 strcpy(workbuf, &strbuf[p + strlen(source)]);
553 strcpy(&strbuf[p], dest);
554 strcat(strbuf, workbuf);
559 void do_help_subst(char *buffer)
563 help_subst(buffer, "^nodename", config.c_nodename);
564 help_subst(buffer, "^humannode", config.c_humannode);
565 help_subst(buffer, "^fqdn", config.c_fqdn);
566 help_subst(buffer, "^username", CC->usersupp.fullname);
567 sprintf(buf2, "%ld", CC->usersupp.usernum);
568 help_subst(buffer, "^usernum", buf2);
569 help_subst(buffer, "^sysadm", config.c_sysadm);
570 help_subst(buffer, "^variantname", CITADEL);
571 sprintf(buf2, "%d", config.c_maxsessions);
572 help_subst(buffer, "^maxsessions", buf2);
578 * memfmout() - Citadel text formatter and paginator.
579 * Although the original purpose of this routine was to format
580 * text to the reader's screen width, all we're really using it
581 * for here is to format text out to 80 columns before sending it
582 * to the client. The client software may reformat it again.
585 int width, /* screen width to use */
586 char *mptr, /* where are we going to get our text from? */
587 char subst, /* nonzero if we should do substitutions */
588 char *nl) /* string to terminate lines with */
600 c = 1; /* c is the current pos */
604 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
606 buffer[strlen(buffer) + 1] = 0;
607 buffer[strlen(buffer)] = ch;
610 if (buffer[0] == '^')
611 do_help_subst(buffer);
613 buffer[strlen(buffer) + 1] = 0;
615 strcpy(buffer, &buffer[1]);
623 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
625 if (((old == 13) || (old == 10)) && (isspace(real))) {
633 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
634 cprintf("%s%s", nl, aaa);
643 if ((strlen(aaa) + c) > (width - 5)) {
652 if ((ch == 13) || (ch == 10)) {
653 cprintf("%s%s", aaa, nl);
660 cprintf("%s%s", aaa, nl);
666 * Callback function for mime parser that simply lists the part
668 void list_this_part(char *name, char *filename, char *partnum, char *disp,
669 void *content, char *cbtype, size_t length, char *encoding,
673 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
674 name, filename, partnum, disp, cbtype, (long)length);
679 * Callback function for mime parser that opens a section for downloading
681 void mime_download(char *name, char *filename, char *partnum, char *disp,
682 void *content, char *cbtype, size_t length, char *encoding,
686 /* Silently go away if there's already a download open... */
687 if (CC->download_fp != NULL)
690 /* ...or if this is not the desired section */
691 if (strcasecmp(desired_section, partnum))
694 CC->download_fp = tmpfile();
695 if (CC->download_fp == NULL)
698 fwrite(content, length, 1, CC->download_fp);
699 fflush(CC->download_fp);
700 rewind(CC->download_fp);
702 OpenCmdResult(filename, cbtype);
708 * Load a message from disk into memory.
709 * This is used by CtdlOutputMsg() and other fetch functions.
711 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
712 * using the CtdlMessageFree() function.
714 struct CtdlMessage *CtdlFetchMessage(long msgnum)
716 struct cdbdata *dmsgtext;
717 struct CtdlMessage *ret = NULL;
720 CIT_UBYTE field_header;
723 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
724 if (dmsgtext == NULL) {
727 mptr = dmsgtext->ptr;
729 /* Parse the three bytes that begin EVERY message on disk.
730 * The first is always 0xFF, the on-disk magic number.
731 * The second is the anonymous/public type byte.
732 * The third is the format type byte (vari, fixed, or MIME).
736 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
740 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
741 memset(ret, 0, sizeof(struct CtdlMessage));
743 ret->cm_magic = CTDLMESSAGE_MAGIC;
744 ret->cm_anon_type = *mptr++; /* Anon type byte */
745 ret->cm_format_type = *mptr++; /* Format type byte */
748 * The rest is zero or more arbitrary fields. Load them in.
749 * We're done when we encounter either a zero-length field or
750 * have just processed the 'M' (message text) field.
753 field_length = strlen(mptr);
754 if (field_length == 0)
756 field_header = *mptr++;
757 ret->cm_fields[field_header] = mallok(field_length);
758 strcpy(ret->cm_fields[field_header], mptr);
760 while (*mptr++ != 0); /* advance to next field */
762 } while ((field_length > 0) && (field_header != 'M'));
766 /* Always make sure there's something in the msg text field */
767 if (ret->cm_fields['M'] == NULL)
768 ret->cm_fields['M'] = strdoop("<no text>\n");
770 /* Perform "before read" hooks (aborting if any return nonzero) */
771 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
772 CtdlFreeMessage(ret);
781 * Returns 1 if the supplied pointer points to a valid Citadel message.
782 * If the pointer is NULL or the magic number check fails, returns 0.
784 int is_valid_message(struct CtdlMessage *msg) {
787 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
788 lprintf(3, "is_valid_message() -- self-check failed\n");
796 * 'Destructor' for struct CtdlMessage
798 void CtdlFreeMessage(struct CtdlMessage *msg)
802 if (is_valid_message(msg) == 0) return;
804 for (i = 0; i < 256; ++i)
805 if (msg->cm_fields[i] != NULL) {
806 phree(msg->cm_fields[i]);
809 msg->cm_magic = 0; /* just in case */
815 * Pre callback function for multipart/alternative
817 * NOTE: this differs from the standard behavior for a reason. Normally when
818 * displaying multipart/alternative you want to show the _last_ usable
819 * format in the message. Here we show the _first_ one, because it's
820 * usually text/plain. Since this set of functions is designed for text
821 * output to non-MIME-aware clients, this is the desired behavior.
824 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
825 void *content, char *cbtype, size_t length, char *encoding,
828 lprintf(9, "fixed_output_pre() type=<%s>\n", cbtype);
829 if (!strcasecmp(cbtype, "multipart/alternative")) {
837 * Post callback function for multipart/alternative
839 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
840 void *content, char *cbtype, size_t length, char *encoding,
843 lprintf(9, "fixed_output_post() type=<%s>\n", cbtype);
844 if (!strcasecmp(cbtype, "multipart/alternative")) {
852 * Inline callback function for mime parser that wants to display text
854 void fixed_output(char *name, char *filename, char *partnum, char *disp,
855 void *content, char *cbtype, size_t length, char *encoding,
863 lprintf(9, "fixed_output() type=<%s>\n", cbtype);
866 * If we're in the middle of a multipart/alternative scope and
867 * we've already printed another section, skip this one.
869 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
870 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
875 if ( (!strcasecmp(cbtype, "text/plain"))
876 || (strlen(cbtype)==0) ) {
882 if (ch==10) cprintf("\r\n");
883 else cprintf("%c", ch);
887 if (ch != '\n') cprintf("\n");
889 else if (!strcasecmp(cbtype, "text/html")) {
890 ptr = html_to_ascii(content, 80, 0);
895 if (ch==10) cprintf("\r\n");
896 else cprintf("%c", ch);
900 else if (strncasecmp(cbtype, "multipart/", 10)) {
901 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
902 partnum, filename, cbtype, (long)length);
908 * Get a message off disk. (returns om_* values found in msgbase.h)
911 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
912 int mode, /* how would you like that message? */
913 int headers_only, /* eschew the message body? */
914 int do_proto, /* do Citadel protocol responses? */
915 int crlf /* Use CRLF newlines instead of LF? */
917 struct CtdlMessage *TheMessage;
920 lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
925 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
926 if (do_proto) cprintf("%d Not logged in.\n",
927 ERROR + NOT_LOGGED_IN);
928 return(om_not_logged_in);
931 /* FIXME ... small security issue
932 * We need to check to make sure the requested message is actually
933 * in the current room, and set msg_ok to 1 only if it is. This
934 * functionality is currently missing because I'm in a hurry to replace
935 * broken production code with nonbroken pre-beta code. :( -- ajc
938 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
940 return(om_no_such_msg);
945 * Fetch the message from disk
947 TheMessage = CtdlFetchMessage(msg_num);
948 if (TheMessage == NULL) {
949 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
951 return(om_no_such_msg);
954 retcode = CtdlOutputPreLoadedMsg(
955 TheMessage, msg_num, mode,
956 headers_only, do_proto, crlf);
958 CtdlFreeMessage(TheMessage);
964 * Get a message off disk. (returns om_* values found in msgbase.h)
967 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
969 int mode, /* how would you like that message? */
970 int headers_only, /* eschew the message body? */
971 int do_proto, /* do Citadel protocol responses? */
972 int crlf /* Use CRLF newlines instead of LF? */
978 char display_name[SIZ];
980 char *nl; /* newline string */
982 /* buffers needed for RFC822 translation */
992 sprintf(mid, "%ld", msg_num);
993 nl = (crlf ? "\r\n" : "\n");
995 if (!is_valid_message(TheMessage)) {
996 lprintf(1, "ERROR: invalid preloaded message for output\n");
997 return(om_no_such_msg);
1000 /* Are we downloading a MIME component? */
1001 if (mode == MT_DOWNLOAD) {
1002 if (TheMessage->cm_format_type != FMT_RFC822) {
1004 cprintf("%d This is not a MIME message.\n",
1006 } else if (CC->download_fp != NULL) {
1007 if (do_proto) cprintf(
1008 "%d You already have a download open.\n",
1011 /* Parse the message text component */
1012 mptr = TheMessage->cm_fields['M'];
1013 mime_parser(mptr, NULL,
1014 *mime_download, NULL, NULL,
1016 /* If there's no file open by this time, the requested
1017 * section wasn't found, so print an error
1019 if (CC->download_fp == NULL) {
1020 if (do_proto) cprintf(
1021 "%d Section %s not found.\n",
1022 ERROR + FILE_NOT_FOUND,
1026 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1029 /* now for the user-mode message reading loops */
1030 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1032 /* Tell the client which format type we're using. If this is a
1033 * MIME message, *lie* about it and tell the user it's fixed-format.
1035 if (mode == MT_CITADEL) {
1036 if (TheMessage->cm_format_type == FMT_RFC822) {
1037 if (do_proto) cprintf("type=1\n");
1040 if (do_proto) cprintf("type=%d\n",
1041 TheMessage->cm_format_type);
1045 /* nhdr=yes means that we're only displaying headers, no body */
1046 if ((TheMessage->cm_anon_type == MES_ANONONLY) && (mode == MT_CITADEL)) {
1047 if (do_proto) cprintf("nhdr=yes\n");
1050 /* begin header processing loop for Citadel message format */
1052 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1054 strcpy(display_name, "<unknown>");
1055 if (TheMessage->cm_fields['A']) {
1056 strcpy(buf, TheMessage->cm_fields['A']);
1057 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1058 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1059 strcpy(display_name, "****");
1061 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1062 strcpy(display_name, "anonymous");
1065 strcpy(display_name, buf);
1067 if ((is_room_aide())
1068 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1069 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1070 sprintf(&display_name[strlen(display_name)],
1075 strcpy(allkeys, FORDER);
1076 for (i=0; i<strlen(allkeys); ++i) {
1077 k = (int) allkeys[i];
1079 if (TheMessage->cm_fields[k] != NULL) {
1081 if (do_proto) cprintf("%s=%s\n",
1085 /* Don't show Internet address for
1088 else if (k == 'F') {
1089 if (do_proto) if (TheMessage->cm_fields['N'] != NULL) if (strcasecmp(TheMessage->cm_fields['N'], config.c_nodename)) {
1092 TheMessage->cm_fields[k]
1097 /* Masquerade display name if needed */
1099 if (do_proto) cprintf("%s=%s\n",
1101 TheMessage->cm_fields[k]
1110 /* begin header processing loop for RFC822 transfer format */
1115 strcpy(snode, NODENAME);
1116 strcpy(lnode, HUMANNODE);
1117 if (mode == MT_RFC822) {
1118 cprintf("X-UIDL: %ld%s", msg_num, nl);
1119 for (i = 0; i < 256; ++i) {
1120 if (TheMessage->cm_fields[i]) {
1121 mptr = TheMessage->cm_fields[i];
1124 strcpy(luser, mptr);
1125 strcpy(suser, mptr);
1128 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1129 into thinking that mail messages are newsgroup messages instead. When we
1130 add NNTP support back into Citadel we'll have to add code to only output
1131 this field when appropriate.
1132 else if (i == 'P') {
1133 cprintf("Path: %s%s", mptr, nl);
1137 cprintf("Subject: %s%s", mptr, nl);
1139 safestrncpy(mid, mptr, sizeof mid);
1141 safestrncpy(lnode, mptr, sizeof lnode);
1143 safestrncpy(fuser, mptr, sizeof fuser);
1145 cprintf("X-Citadel-Room: %s%s",
1148 safestrncpy(snode, mptr, sizeof snode);
1150 cprintf("To: %s%s", mptr, nl);
1151 else if (i == 'T') {
1152 datestring(datestamp, atol(mptr),
1153 DATESTRING_RFC822 );
1154 cprintf("Date: %s%s", datestamp, nl);
1160 for (i=0; i<strlen(suser); ++i) {
1161 suser[i] = tolower(suser[i]);
1162 if (!isalnum(suser[i])) suser[i]='_';
1165 if (mode == MT_RFC822) {
1166 if (!strcasecmp(snode, NODENAME)) {
1167 strcpy(snode, FQDN);
1170 /* Construct a fun message id */
1171 cprintf("Message-ID: <%s", mid);
1172 if (strchr(mid, '@')==NULL) {
1173 cprintf("@%s", snode);
1177 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1179 if (strlen(fuser) > 0) {
1180 cprintf("From: %s (%s)%s", fuser, luser, nl);
1183 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1186 cprintf("Organization: %s%s", lnode, nl);
1189 /* end header processing loop ... at this point, we're in the text */
1191 mptr = TheMessage->cm_fields['M'];
1193 /* Tell the client about the MIME parts in this message */
1194 if (TheMessage->cm_format_type == FMT_RFC822) {
1195 if (mode == MT_CITADEL) {
1196 mime_parser(mptr, NULL,
1197 *list_this_part, NULL, NULL,
1200 else if (mode == MT_MIME) { /* list parts only */
1201 mime_parser(mptr, NULL,
1202 *list_this_part, NULL, NULL,
1204 if (do_proto) cprintf("000\n");
1207 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1208 /* FIXME ... we have to put some code in here to avoid
1209 * printing duplicate header information when both
1210 * Citadel and RFC822 headers exist. Preference should
1211 * probably be given to the RFC822 headers.
1213 while (ch=*(mptr++), ch!=0) {
1215 else if (ch==10) cprintf("%s", nl);
1216 else cprintf("%c", ch);
1218 if (do_proto) cprintf("000\n");
1224 if (do_proto) cprintf("000\n");
1228 /* signify start of msg text */
1229 if (mode == MT_CITADEL)
1230 if (do_proto) cprintf("text\n");
1231 if (mode == MT_RFC822) {
1232 if (TheMessage->cm_fields['U'] == NULL) {
1233 cprintf("Subject: (no subject)%s", nl);
1238 /* If the format type on disk is 1 (fixed-format), then we want
1239 * everything to be output completely literally ... regardless of
1240 * what message transfer format is in use.
1242 if (TheMessage->cm_format_type == FMT_FIXED) {
1244 while (ch = *mptr++, ch > 0) {
1247 if ((ch == 10) || (strlen(buf) > 250)) {
1248 cprintf("%s%s", buf, nl);
1251 buf[strlen(buf) + 1] = 0;
1252 buf[strlen(buf)] = ch;
1255 if (strlen(buf) > 0)
1256 cprintf("%s%s", buf, nl);
1259 /* If the message on disk is format 0 (Citadel vari-format), we
1260 * output using the formatter at 80 columns. This is the final output
1261 * form if the transfer format is RFC822, but if the transfer format
1262 * is Citadel proprietary, it'll still work, because the indentation
1263 * for new paragraphs is correct and the client will reformat the
1264 * message to the reader's screen width.
1266 if (TheMessage->cm_format_type == FMT_CITADEL) {
1267 memfmout(80, mptr, 0, nl);
1270 /* If the message on disk is format 4 (MIME), we've gotta hand it
1271 * off to the MIME parser. The client has already been told that
1272 * this message is format 1 (fixed format), so the callback function
1273 * we use will display those parts as-is.
1275 if (TheMessage->cm_format_type == FMT_RFC822) {
1276 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1277 memset(ma, 0, sizeof(struct ma_info));
1278 mime_parser(mptr, NULL,
1279 *fixed_output, *fixed_output_pre, *fixed_output_post,
1283 /* now we're done */
1284 if (do_proto) cprintf("000\n");
1291 * display a message (mode 0 - Citadel proprietary)
1293 void cmd_msg0(char *cmdbuf)
1296 int headers_only = 0;
1298 msgid = extract_long(cmdbuf, 0);
1299 headers_only = extract_int(cmdbuf, 1);
1301 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1307 * display a message (mode 2 - RFC822)
1309 void cmd_msg2(char *cmdbuf)
1312 int headers_only = 0;
1314 msgid = extract_long(cmdbuf, 0);
1315 headers_only = extract_int(cmdbuf, 1);
1317 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1323 * display a message (mode 3 - IGnet raw format - internal programs only)
1325 void cmd_msg3(char *cmdbuf)
1328 struct CtdlMessage *msg;
1331 if (CC->internal_pgm == 0) {
1332 cprintf("%d This command is for internal programs only.\n",
1337 msgnum = extract_long(cmdbuf, 0);
1338 msg = CtdlFetchMessage(msgnum);
1340 cprintf("%d Message %ld not found.\n",
1345 serialize_message(&smr, msg);
1346 CtdlFreeMessage(msg);
1349 cprintf("%d Unable to serialize message\n",
1350 ERROR+INTERNAL_ERROR);
1354 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1355 client_write(smr.ser, smr.len);
1362 * display a message (mode 4 - MIME) (FIXME ... still evolving, not complete)
1364 void cmd_msg4(char *cmdbuf)
1368 msgid = extract_long(cmdbuf, 0);
1369 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1373 * Open a component of a MIME message as a download file
1375 void cmd_opna(char *cmdbuf)
1379 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1381 msgid = extract_long(cmdbuf, 0);
1382 extract(desired_section, cmdbuf, 1);
1384 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1389 * Save a message pointer into a specified room
1390 * (Returns 0 for success, nonzero for failure)
1391 * roomname may be NULL to use the current room
1393 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1395 char hold_rm[ROOMNAMELEN];
1396 struct cdbdata *cdbfr;
1399 long highest_msg = 0L;
1400 struct CtdlMessage *msg = NULL;
1402 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1403 roomname, msgid, flags);
1405 strcpy(hold_rm, CC->quickroom.QRname);
1407 /* We may need to check to see if this message is real */
1408 if ( (flags & SM_VERIFY_GOODNESS)
1409 || (flags & SM_DO_REPL_CHECK)
1411 msg = CtdlFetchMessage(msgid);
1412 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1415 /* Perform replication checks if necessary */
1416 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1418 if (getroom(&CC->quickroom,
1419 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1421 lprintf(9, "No such room <%s>\n", roomname);
1422 if (msg != NULL) CtdlFreeMessage(msg);
1423 return(ERROR + ROOM_NOT_FOUND);
1426 if (ReplicationChecks(msg) != 0) {
1427 getroom(&CC->quickroom, hold_rm);
1428 if (msg != NULL) CtdlFreeMessage(msg);
1429 lprintf(9, "Did replication, and newer exists\n");
1434 /* Now the regular stuff */
1435 if (lgetroom(&CC->quickroom,
1436 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1438 lprintf(9, "No such room <%s>\n", roomname);
1439 if (msg != NULL) CtdlFreeMessage(msg);
1440 return(ERROR + ROOM_NOT_FOUND);
1443 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1444 if (cdbfr == NULL) {
1448 msglist = mallok(cdbfr->len);
1449 if (msglist == NULL)
1450 lprintf(3, "ERROR malloc msglist!\n");
1451 num_msgs = cdbfr->len / sizeof(long);
1452 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1457 /* Make sure the message doesn't already exist in this room. It
1458 * is absolutely taboo to have more than one reference to the same
1459 * message in a room.
1461 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1462 if (msglist[i] == msgid) {
1463 lputroom(&CC->quickroom); /* unlock the room */
1464 getroom(&CC->quickroom, hold_rm);
1465 if (msg != NULL) CtdlFreeMessage(msg);
1466 return(ERROR + ALREADY_EXISTS);
1470 /* Now add the new message */
1472 msglist = reallok(msglist,
1473 (num_msgs * sizeof(long)));
1475 if (msglist == NULL) {
1476 lprintf(3, "ERROR: can't realloc message list!\n");
1478 msglist[num_msgs - 1] = msgid;
1480 /* Sort the message list, so all the msgid's are in order */
1481 num_msgs = sort_msglist(msglist, num_msgs);
1483 /* Determine the highest message number */
1484 highest_msg = msglist[num_msgs - 1];
1486 /* Write it back to disk. */
1487 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1488 msglist, num_msgs * sizeof(long));
1490 /* Free up the memory we used. */
1493 /* Update the highest-message pointer and unlock the room. */
1494 CC->quickroom.QRhighest = highest_msg;
1495 lputroom(&CC->quickroom);
1496 getroom(&CC->quickroom, hold_rm);
1498 /* Bump the reference count for this message. */
1499 if ((flags & SM_DONT_BUMP_REF)==0) {
1500 AdjRefCount(msgid, +1);
1503 /* Return success. */
1504 if (msg != NULL) CtdlFreeMessage(msg);
1511 * Message base operation to send a message to the master file
1512 * (returns new message number)
1514 * This is the back end for CtdlSubmitMsg() and should not be directly
1515 * called by server-side modules.
1518 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1519 FILE *save_a_copy) /* save a copy to disk? */
1526 /* Get a new message number */
1527 newmsgid = get_new_message_number();
1528 sprintf(msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1530 /* Generate an ID if we don't have one already */
1531 if (msg->cm_fields['I']==NULL) {
1532 msg->cm_fields['I'] = strdoop(msgidbuf);
1535 serialize_message(&smr, msg);
1538 cprintf("%d Unable to serialize message\n",
1539 ERROR+INTERNAL_ERROR);
1543 /* Write our little bundle of joy into the message base */
1544 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1545 smr.ser, smr.len) < 0) {
1546 lprintf(2, "Can't store message\n");
1552 /* If the caller specified that a copy should be saved to a particular
1553 * file handle, do that now too.
1555 if (save_a_copy != NULL) {
1556 fwrite(smr.ser, smr.len, 1, save_a_copy);
1559 /* Free the memory we used for the serialized message */
1562 /* Return the *local* message ID to the caller
1563 * (even if we're storing an incoming network message)
1571 * Serialize a struct CtdlMessage into the format used on disk and network.
1573 * This function loads up a "struct ser_ret" (defined in server.h) which
1574 * contains the length of the serialized message and a pointer to the
1575 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1577 void serialize_message(struct ser_ret *ret, /* return values */
1578 struct CtdlMessage *msg) /* unserialized msg */
1582 static char *forder = FORDER;
1584 if (is_valid_message(msg) == 0) return; /* self check */
1587 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1588 ret->len = ret->len +
1589 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1591 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1592 ret->ser = mallok(ret->len);
1593 if (ret->ser == NULL) {
1599 ret->ser[1] = msg->cm_anon_type;
1600 ret->ser[2] = msg->cm_format_type;
1603 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1604 ret->ser[wlen++] = (char)forder[i];
1605 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1606 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1608 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1609 (long)ret->len, (long)wlen);
1617 * Back end for the ReplicationChecks() function
1619 void check_repl(long msgnum, void *userdata) {
1620 struct CtdlMessage *msg;
1621 time_t timestamp = (-1L);
1623 lprintf(9, "check_repl() found message %ld\n", msgnum);
1624 msg = CtdlFetchMessage(msgnum);
1625 if (msg == NULL) return;
1626 if (msg->cm_fields['T'] != NULL) {
1627 timestamp = atol(msg->cm_fields['T']);
1629 CtdlFreeMessage(msg);
1631 if (timestamp > msg_repl->highest) {
1632 msg_repl->highest = timestamp; /* newer! */
1633 lprintf(9, "newer!\n");
1636 lprintf(9, "older!\n");
1638 /* Existing isn't newer? Then delete the old one(s). */
1639 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1644 * Check to see if any messages already exist which carry the same Extended ID
1648 * -> With older timestamps: delete them and return 0. Message will be saved.
1649 * -> With newer timestamps: return 1. Message save will be aborted.
1651 int ReplicationChecks(struct CtdlMessage *msg) {
1652 struct CtdlMessage *template;
1655 lprintf(9, "ReplicationChecks() started\n");
1656 /* No extended id? Don't do anything. */
1657 if (msg->cm_fields['E'] == NULL) return 0;
1658 if (strlen(msg->cm_fields['E']) == 0) return 0;
1659 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1661 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1662 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1663 msg_repl->highest = atol(msg->cm_fields['T']);
1665 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1666 memset(template, 0, sizeof(struct CtdlMessage));
1667 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1669 CtdlForEachMessage(MSGS_ALL, 0L, (-127), NULL, template,
1672 /* If a newer message exists with the same Extended ID, abort
1675 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1679 CtdlFreeMessage(template);
1680 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1688 * Save a message to disk and submit it into the delivery system.
1690 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1691 struct recptypes *recps, /* recipients (if mail) */
1692 char *force /* force a particular room? */
1695 char hold_rm[ROOMNAMELEN];
1696 char actual_rm[ROOMNAMELEN];
1697 char force_room[ROOMNAMELEN];
1698 char content_type[SIZ]; /* We have to learn this */
1699 char recipient[SIZ];
1702 struct usersupp userbuf;
1704 struct MetaData smi;
1705 FILE *network_fp = NULL;
1706 static int seqnum = 1;
1707 struct CtdlMessage *imsg = NULL;
1710 char *hold_R, *hold_D;
1712 lprintf(9, "CtdlSubmitMsg() called\n");
1713 if (is_valid_message(msg) == 0) return(-1); /* self check */
1715 /* If this message has no timestamp, we take the liberty of
1716 * giving it one, right now.
1718 if (msg->cm_fields['T'] == NULL) {
1719 lprintf(9, "Generating timestamp\n");
1720 sprintf(aaa, "%ld", (long)time(NULL));
1721 msg->cm_fields['T'] = strdoop(aaa);
1724 /* If this message has no path, we generate one.
1726 if (msg->cm_fields['P'] == NULL) {
1727 lprintf(9, "Generating path\n");
1728 if (msg->cm_fields['A'] != NULL) {
1729 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1730 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1731 if (isspace(msg->cm_fields['P'][a])) {
1732 msg->cm_fields['P'][a] = ' ';
1737 msg->cm_fields['P'] = strdoop("unknown");
1741 strcpy(force_room, force);
1743 /* Learn about what's inside, because it's what's inside that counts */
1744 lprintf(9, "Learning what's inside\n");
1745 if (msg->cm_fields['M'] == NULL) {
1746 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1749 switch (msg->cm_format_type) {
1751 strcpy(content_type, "text/x-citadel-variformat");
1754 strcpy(content_type, "text/plain");
1757 strcpy(content_type, "text/plain");
1758 /* advance past header fields */
1759 mptr = msg->cm_fields['M'];
1762 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1763 safestrncpy(content_type, mptr,
1764 sizeof(content_type));
1765 strcpy(content_type, &content_type[14]);
1766 for (a = 0; a < strlen(content_type); ++a)
1767 if ((content_type[a] == ';')
1768 || (content_type[a] == ' ')
1769 || (content_type[a] == 13)
1770 || (content_type[a] == 10))
1771 content_type[a] = 0;
1778 /* Goto the correct room */
1779 lprintf(9, "Switching rooms\n");
1780 strcpy(hold_rm, CC->quickroom.QRname);
1781 strcpy(actual_rm, CC->quickroom.QRname);
1782 if (recps != NULL) {
1783 strcpy(actual_rm, SENTITEMS);
1786 /* If the user is a twit, move to the twit room for posting */
1787 lprintf(9, "Handling twit stuff\n");
1789 if (CC->usersupp.axlevel == 2) {
1790 strcpy(hold_rm, actual_rm);
1791 strcpy(actual_rm, config.c_twitroom);
1795 /* ...or if this message is destined for Aide> then go there. */
1796 if (strlen(force_room) > 0) {
1797 strcpy(actual_rm, force_room);
1800 lprintf(9, "Possibly relocating\n");
1801 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1802 getroom(&CC->quickroom, actual_rm);
1806 * If this message has no O (room) field, generate one.
1808 if (msg->cm_fields['O'] == NULL) {
1809 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1812 /* Perform "before save" hooks (aborting if any return nonzero) */
1813 lprintf(9, "Performing before-save hooks\n");
1814 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1816 /* If this message has an Extended ID, perform replication checks */
1817 lprintf(9, "Performing replication checks\n");
1818 if (ReplicationChecks(msg) > 0) return(-1);
1820 /* Save it to disk */
1821 lprintf(9, "Saving to disk\n");
1822 newmsgid = send_message(msg, NULL);
1823 if (newmsgid <= 0L) return(-1);
1825 /* Write a supplemental message info record. This doesn't have to
1826 * be a critical section because nobody else knows about this message
1829 lprintf(9, "Creating MetaData record\n");
1830 memset(&smi, 0, sizeof(struct MetaData));
1831 smi.meta_msgnum = newmsgid;
1832 smi.meta_refcount = 0;
1833 safestrncpy(smi.meta_content_type, content_type, 64);
1836 /* Now figure out where to store the pointers */
1837 lprintf(9, "Storing pointers\n");
1839 /* If this is being done by the networker delivering a private
1840 * message, we want to BYPASS saving the sender's copy (because there
1841 * is no local sender; it would otherwise go to the Trashcan).
1843 if ((!CC->internal_pgm) || (recps == NULL)) {
1844 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
1845 lprintf(3, "ERROR saving message pointer!\n");
1846 CtdlSaveMsgPointerInRoom(AIDEROOM, newmsgid, 0);
1850 /* For internet mail, drop a copy in the outbound queue room */
1852 if (recps->num_internet > 0) {
1853 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
1856 /* If other rooms are specified, drop them there too. */
1858 if (recps->num_room > 0)
1859 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
1860 extract(recipient, recps->recp_room, i);
1861 lprintf(9, "Delivering to local room <%s>\n", recipient);
1862 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
1865 /* Bump this user's messages posted counter. */
1866 lprintf(9, "Updating user\n");
1867 lgetuser(&CC->usersupp, CC->curr_user);
1868 CC->usersupp.posted = CC->usersupp.posted + 1;
1869 lputuser(&CC->usersupp);
1871 /* If this is private, local mail, make a copy in the
1872 * recipient's mailbox and bump the reference count.
1875 if (recps->num_local > 0)
1876 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
1877 extract(recipient, recps->recp_local, i);
1878 lprintf(9, "Delivering private local mail to <%s>\n",
1880 if (getuser(&userbuf, recipient) == 0) {
1881 MailboxName(actual_rm, &userbuf, MAILROOM);
1882 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1885 lprintf(9, "No user <%s>\n", recipient);
1886 CtdlSaveMsgPointerInRoom(AIDEROOM, newmsgid, 0);
1890 /* Perform "after save" hooks */
1891 lprintf(9, "Performing after-save hooks\n");
1892 PerformMessageHooks(msg, EVT_AFTERSAVE);
1894 /* For IGnet mail, we have to save a new copy into the spooler for
1895 * each recipient, with the R and D fields set to the recipient and
1896 * destination-node. This has two ugly side effects: all other
1897 * recipients end up being unlisted in this recipient's copy of the
1898 * message, and it has to deliver multiple messages to the same
1899 * node. We'll revisit this again in a year or so when everyone has
1900 * a network spool receiver that can handle the new style messages.
1903 if (recps->num_ignet > 0)
1904 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
1905 extract(recipient, recps->recp_ignet, i);
1907 hold_R = msg->cm_fields['R'];
1908 hold_D = msg->cm_fields['D'];
1909 msg->cm_fields['R'] = mallok(SIZ);
1910 msg->cm_fields['D'] = mallok(SIZ);
1911 extract_token(msg->cm_fields['R'], recipient, 0, '@');
1912 extract_token(msg->cm_fields['D'], recipient, 1, '@');
1914 serialize_message(&smr, msg);
1917 "./network/spoolin/netmail.%04lx.%04x.%04x",
1918 (long) getpid(), CC->cs_pid, ++seqnum);
1919 network_fp = fopen(aaa, "wb+");
1920 if (network_fp != NULL) {
1921 fwrite(smr.ser, smr.len, 1, network_fp);
1927 phree(msg->cm_fields['R']);
1928 phree(msg->cm_fields['D']);
1929 msg->cm_fields['R'] = hold_R;
1930 msg->cm_fields['D'] = hold_D;
1933 /* Go back to the room we started from */
1934 lprintf(9, "Returning to original room\n");
1935 if (strcasecmp(hold_rm, CC->quickroom.QRname))
1936 getroom(&CC->quickroom, hold_rm);
1938 /* For internet mail, generate delivery instructions.
1939 * Yes, this is recursive. Deal with it. Infinite recursion does
1940 * not happen because the delivery instructions message does not
1941 * contain a recipient.
1944 if (recps->num_internet > 0) {
1945 lprintf(9, "Generating delivery instructions\n");
1946 instr = mallok(SIZ * 2);
1948 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
1950 SPOOLMIME, newmsgid, (long)time(NULL),
1951 msg->cm_fields['A'], msg->cm_fields['N']
1954 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
1955 extract(recipient, recps->recp_internet, i);
1956 sprintf(&instr[strlen(instr)],
1957 "remote|%s|0||\n", recipient);
1960 imsg = mallok(sizeof(struct CtdlMessage));
1961 memset(imsg, 0, sizeof(struct CtdlMessage));
1962 imsg->cm_magic = CTDLMESSAGE_MAGIC;
1963 imsg->cm_anon_type = MES_NORMAL;
1964 imsg->cm_format_type = FMT_RFC822;
1965 imsg->cm_fields['A'] = strdoop("Citadel");
1966 imsg->cm_fields['M'] = instr;
1967 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
1968 CtdlFreeMessage(imsg);
1977 * Convenience function for generating small administrative messages.
1979 void quickie_message(char *from, char *to, char *room, char *text)
1981 struct CtdlMessage *msg;
1983 msg = mallok(sizeof(struct CtdlMessage));
1984 memset(msg, 0, sizeof(struct CtdlMessage));
1985 msg->cm_magic = CTDLMESSAGE_MAGIC;
1986 msg->cm_anon_type = MES_NORMAL;
1987 msg->cm_format_type = 0;
1988 msg->cm_fields['A'] = strdoop(from);
1989 msg->cm_fields['O'] = strdoop(room);
1990 msg->cm_fields['N'] = strdoop(NODENAME);
1992 msg->cm_fields['R'] = strdoop(to);
1993 msg->cm_fields['M'] = strdoop(text);
1995 CtdlSubmitMsg(msg, NULL, room);
1996 CtdlFreeMessage(msg);
1997 syslog(LOG_NOTICE, text);
2003 * Back end function used by make_message() and similar functions
2005 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2006 size_t maxlen, /* maximum message length */
2007 char *exist /* if non-null, append to it;
2008 exist is ALWAYS freed */
2012 size_t message_len = 0;
2013 size_t buffer_len = 0;
2017 if (exist == NULL) {
2021 m = reallok(exist, strlen(exist) + 4096);
2022 if (m == NULL) phree(exist);
2025 /* flush the input if we have nowhere to store it */
2027 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2031 /* otherwise read it into memory */
2037 /* read in the lines of message text one by one */
2038 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2040 /* strip trailing newline type stuff */
2041 if (buf[strlen(buf)-1]==10) buf[strlen(buf)-1]=0;
2042 if (buf[strlen(buf)-1]==13) buf[strlen(buf)-1]=0;
2044 linelen = strlen(buf);
2046 /* augment the buffer if we have to */
2047 if ((message_len + linelen + 2) > buffer_len) {
2048 lprintf(9, "realloking\n");
2049 ptr = reallok(m, (buffer_len * 2) );
2050 if (ptr == NULL) { /* flush if can't allocate */
2051 while ( (client_gets(buf)>0) &&
2052 strcmp(buf, terminator)) ;;
2055 buffer_len = (buffer_len * 2);
2057 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2061 /* Add the new line to the buffer. NOTE: this loop must avoid
2062 * using functions like strcat() and strlen() because they
2063 * traverse the entire buffer upon every call, and doing that
2064 * for a multi-megabyte message slows it down beyond usability.
2066 strcpy(&m[message_len], buf);
2067 m[message_len + linelen] = '\n';
2068 m[message_len + linelen + 1] = 0;
2069 message_len = message_len + linelen + 1;
2071 /* if we've hit the max msg length, flush the rest */
2072 if (message_len >= maxlen) {
2073 while ( (client_gets(buf)>0)
2074 && strcmp(buf, terminator)) ;;
2085 * Build a binary message to be saved on disk.
2088 static struct CtdlMessage *make_message(
2089 struct usersupp *author, /* author's usersupp structure */
2090 char *recipient, /* NULL if it's not mail */
2091 char *room, /* room where it's going */
2092 int type, /* see MES_ types in header file */
2093 int format_type, /* variformat, plain text, MIME... */
2094 char *fake_name /* who we're masquerading as */
2096 char dest_node[SIZ];
2098 struct CtdlMessage *msg;
2100 msg = mallok(sizeof(struct CtdlMessage));
2101 memset(msg, 0, sizeof(struct CtdlMessage));
2102 msg->cm_magic = CTDLMESSAGE_MAGIC;
2103 msg->cm_anon_type = type;
2104 msg->cm_format_type = format_type;
2106 /* Don't confuse the poor folks if it's not routed mail. */
2107 strcpy(dest_node, "");
2111 sprintf(buf, "cit%ld", author->usernum); /* Path */
2112 msg->cm_fields['P'] = strdoop(buf);
2114 sprintf(buf, "%ld", (long)time(NULL)); /* timestamp */
2115 msg->cm_fields['T'] = strdoop(buf);
2117 if (fake_name[0]) /* author */
2118 msg->cm_fields['A'] = strdoop(fake_name);
2120 msg->cm_fields['A'] = strdoop(author->fullname);
2122 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2123 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2126 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2129 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2130 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2132 if (recipient[0] != 0) {
2133 msg->cm_fields['R'] = strdoop(recipient);
2135 if (dest_node[0] != 0) {
2136 msg->cm_fields['D'] = strdoop(dest_node);
2139 if ( (author == &CC->usersupp) && (CC->cs_inet_email != NULL) ) {
2140 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2143 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2144 config.c_maxmsglen, NULL);
2151 * Check to see whether we have permission to post a message in the current
2152 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2153 * returns 0 on success.
2155 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf) {
2157 if (!(CC->logged_in)) {
2158 sprintf(errmsgbuf, "Not logged in.");
2159 return (ERROR + NOT_LOGGED_IN);
2162 if ((CC->usersupp.axlevel < 2)
2163 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2164 sprintf(errmsgbuf, "Need to be validated to enter "
2165 "(except in %s> to sysop)", MAILROOM);
2166 return (ERROR + HIGHER_ACCESS_REQUIRED);
2169 if ((CC->usersupp.axlevel < 4)
2170 && (CC->quickroom.QRflags & QR_NETWORK)) {
2171 sprintf(errmsgbuf, "Need net privileges to enter here.");
2172 return (ERROR + HIGHER_ACCESS_REQUIRED);
2175 if ((CC->usersupp.axlevel < 6)
2176 && (CC->quickroom.QRflags & QR_READONLY)) {
2177 sprintf(errmsgbuf, "Sorry, this is a read-only room.");
2178 return (ERROR + HIGHER_ACCESS_REQUIRED);
2181 strcpy(errmsgbuf, "Ok");
2187 * Validate recipients, count delivery types and errors, and handle aliasing
2188 * FIXME check for dupes!!!!!
2190 struct recptypes *validate_recipients(char *recipients) {
2191 struct recptypes *ret;
2192 char this_recp[SIZ];
2193 char this_recp_cooked[SIZ];
2199 struct usersupp tempUS;
2200 struct quickroom tempQR;
2203 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2204 if (ret == NULL) return(NULL);
2205 memset(ret, 0, sizeof(struct recptypes));
2208 ret->num_internet = 0;
2213 if (recipients == NULL) {
2216 else if (strlen(recipients) == 0) {
2220 /* Change all valid separator characters to commas */
2221 for (i=0; i<strlen(recipients); ++i) {
2222 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2223 recipients[i] = ',';
2228 num_recps = num_tokens(recipients, ',');
2231 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2232 extract_token(this_recp, recipients, i, ',');
2234 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2235 mailtype = alias(this_recp);
2236 mailtype = alias(this_recp);
2237 mailtype = alias(this_recp);
2238 for (j=0; j<=strlen(this_recp); ++j) {
2239 if (this_recp[j]=='_') {
2240 this_recp_cooked[j] = ' ';
2243 this_recp_cooked[j] = this_recp[j];
2249 if (!strcasecmp(this_recp, "sysop")) {
2251 strcpy(this_recp, AIDEROOM);
2252 if (strlen(ret->recp_room) > 0) {
2253 strcat(ret->recp_room, "|");
2255 strcat(ret->recp_room, this_recp);
2257 else if (getuser(&tempUS, this_recp) == 0) {
2259 strcpy(this_recp, tempUS.fullname);
2260 if (strlen(ret->recp_local) > 0) {
2261 strcat(ret->recp_local, "|");
2263 strcat(ret->recp_local, this_recp);
2265 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2267 strcpy(this_recp, tempUS.fullname);
2268 if (strlen(ret->recp_local) > 0) {
2269 strcat(ret->recp_local, "|");
2271 strcat(ret->recp_local, this_recp);
2273 else if ( (!strncasecmp(this_recp, "room_", 5))
2274 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2276 if (strlen(ret->recp_room) > 0) {
2277 strcat(ret->recp_room, "|");
2279 strcat(ret->recp_room, &this_recp_cooked[5]);
2287 ++ret->num_internet;
2288 if (strlen(ret->recp_internet) > 0) {
2289 strcat(ret->recp_internet, "|");
2291 strcat(ret->recp_internet, this_recp);
2295 if (strlen(ret->recp_ignet) > 0) {
2296 strcat(ret->recp_ignet, "|");
2298 strcat(ret->recp_ignet, this_recp);
2306 if (strlen(ret->errormsg) == 0) {
2308 "Invalid recipient: %s",
2315 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2316 strcat(ret->errormsg, append);
2320 if (strlen(ret->display_recp) == 0) {
2321 strcpy(append, this_recp);
2324 sprintf(append, ", %s", this_recp);
2326 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2327 strcat(ret->display_recp, append);
2332 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2333 ret->num_room + ret->num_error) == 0) {
2335 strcpy(ret->errormsg, "No recipients specified.");
2338 lprintf(9, "validate_recipients()\n");
2339 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2340 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2341 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2342 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2343 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2351 * message entry - mode 0 (normal)
2353 void cmd_ent0(char *entargs)
2357 char masquerade_as[SIZ];
2359 int format_type = 0;
2360 char newusername[SIZ];
2361 struct CtdlMessage *msg;
2365 struct recptypes *valid = NULL;
2367 post = extract_int(entargs, 0);
2368 extract(recp, entargs, 1);
2369 anon_flag = extract_int(entargs, 2);
2370 format_type = extract_int(entargs, 3);
2372 /* first check to make sure the request is valid. */
2374 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg);
2376 cprintf("%d %s\n", err, errmsg);
2380 /* Check some other permission type things. */
2383 if (CC->usersupp.axlevel < 6) {
2384 cprintf("%d You don't have permission to masquerade.\n",
2385 ERROR + HIGHER_ACCESS_REQUIRED);
2388 extract(newusername, entargs, 4);
2389 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2390 safestrncpy(CC->fake_postname, newusername,
2391 sizeof(CC->fake_postname) );
2392 cprintf("%d ok\n", OK);
2395 CC->cs_flags |= CS_POSTING;
2397 if (CC->quickroom.QRflags & QR_MAILBOX) {
2398 if (CC->usersupp.axlevel < 2) {
2399 strcpy(recp, "sysop");
2402 valid = validate_recipients(recp);
2403 if (valid->num_error > 0) {
2405 ERROR + NO_SUCH_USER, valid->errormsg);
2410 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2411 && (CC->usersupp.axlevel < 4) ) {
2412 cprintf("%d Higher access required for network mail.\n",
2413 ERROR + HIGHER_ACCESS_REQUIRED);
2418 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2419 && ((CC->usersupp.flags & US_INTERNET) == 0)
2420 && (!CC->internal_pgm)) {
2421 cprintf("%d You don't have access to Internet mail.\n",
2422 ERROR + HIGHER_ACCESS_REQUIRED);
2429 /* Is this a room which has anonymous-only or anonymous-option? */
2430 anonymous = MES_NORMAL;
2431 if (CC->quickroom.QRflags & QR_ANONONLY) {
2432 anonymous = MES_ANONONLY;
2434 if (CC->quickroom.QRflags & QR_ANONOPT) {
2435 if (anon_flag == 1) { /* only if the user requested it */
2436 anonymous = MES_ANONOPT;
2440 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2444 /* If we're only checking the validity of the request, return
2445 * success without creating the message.
2448 cprintf("%d %s\n", OK,
2449 ((valid != NULL) ? valid->display_recp : "") );
2454 /* Handle author masquerading */
2455 if (CC->fake_postname[0]) {
2456 strcpy(masquerade_as, CC->fake_postname);
2458 else if (CC->fake_username[0]) {
2459 strcpy(masquerade_as, CC->fake_username);
2462 strcpy(masquerade_as, "");
2465 /* Read in the message from the client. */
2466 cprintf("%d send message\n", SEND_LISTING);
2467 msg = make_message(&CC->usersupp, recp,
2468 CC->quickroom.QRname, anonymous, format_type, masquerade_as);
2471 CtdlSubmitMsg(msg, valid, "");
2472 CtdlFreeMessage(msg);
2474 CC->fake_postname[0] = '\0';
2482 * API function to delete messages which match a set of criteria
2483 * (returns the actual number of messages deleted)
2485 int CtdlDeleteMessages(char *room_name, /* which room */
2486 long dmsgnum, /* or "0" for any */
2487 char *content_type /* or "" for any */
2491 struct quickroom qrbuf;
2492 struct cdbdata *cdbfr;
2493 long *msglist = NULL;
2494 long *dellist = NULL;
2497 int num_deleted = 0;
2499 struct MetaData smi;
2501 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2502 room_name, dmsgnum, content_type);
2504 /* get room record, obtaining a lock... */
2505 if (lgetroom(&qrbuf, room_name) != 0) {
2506 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2508 return (0); /* room not found */
2510 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2512 if (cdbfr != NULL) {
2513 msglist = mallok(cdbfr->len);
2514 dellist = mallok(cdbfr->len);
2515 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2516 num_msgs = cdbfr->len / sizeof(long);
2520 for (i = 0; i < num_msgs; ++i) {
2523 /* Set/clear a bit for each criterion */
2525 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2526 delete_this |= 0x01;
2528 if (strlen(content_type) == 0) {
2529 delete_this |= 0x02;
2531 GetMetaData(&smi, msglist[i]);
2532 if (!strcasecmp(smi.meta_content_type,
2534 delete_this |= 0x02;
2538 /* Delete message only if all bits are set */
2539 if (delete_this == 0x03) {
2540 dellist[num_deleted++] = msglist[i];
2545 num_msgs = sort_msglist(msglist, num_msgs);
2546 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2547 msglist, (num_msgs * sizeof(long)));
2549 qrbuf.QRhighest = msglist[num_msgs - 1];
2553 /* Go through the messages we pulled out of the index, and decrement
2554 * their reference counts by 1. If this is the only room the message
2555 * was in, the reference count will reach zero and the message will
2556 * automatically be deleted from the database. We do this in a
2557 * separate pass because there might be plug-in hooks getting called,
2558 * and we don't want that happening during an S_QUICKROOM critical
2561 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2562 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2563 AdjRefCount(dellist[i], -1);
2566 /* Now free the memory we used, and go away. */
2567 if (msglist != NULL) phree(msglist);
2568 if (dellist != NULL) phree(dellist);
2569 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2570 return (num_deleted);
2576 * Check whether the current user has permission to delete messages from
2577 * the current room (returns 1 for yes, 0 for no)
2579 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2580 getuser(&CC->usersupp, CC->curr_user);
2581 if ((CC->usersupp.axlevel < 6)
2582 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2583 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2584 && (!(CC->internal_pgm))) {
2593 * Delete message from current room
2595 void cmd_dele(char *delstr)
2600 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2601 cprintf("%d Higher access required.\n",
2602 ERROR + HIGHER_ACCESS_REQUIRED);
2605 delnum = extract_long(delstr, 0);
2607 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2610 cprintf("%d %d message%s deleted.\n", OK,
2611 num_deleted, ((num_deleted != 1) ? "s" : ""));
2613 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2619 * Back end API function for moves and deletes
2621 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2624 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2625 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2626 if (err != 0) return(err);
2634 * move or copy a message to another room
2636 void cmd_move(char *args)
2640 struct quickroom qtemp;
2644 num = extract_long(args, 0);
2645 extract(targ, args, 1);
2646 targ[ROOMNAMELEN - 1] = 0;
2647 is_copy = extract_int(args, 2);
2649 if (getroom(&qtemp, targ) != 0) {
2650 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2654 getuser(&CC->usersupp, CC->curr_user);
2655 /* Aides can move/copy */
2656 if ((CC->usersupp.axlevel < 6)
2657 /* Roomaides can move/copy */
2658 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2659 /* Permit move/copy to/from personal rooms */
2660 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2661 && (qtemp.QRflags & QR_MAILBOX)))
2662 /* Permit only copy from public to personal room */
2663 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2664 && (qtemp.QRflags & QR_MAILBOX)))) {
2665 cprintf("%d Higher access required.\n",
2666 ERROR + HIGHER_ACCESS_REQUIRED);
2670 err = CtdlCopyMsgToRoom(num, targ);
2672 cprintf("%d Cannot store message in %s: error %d\n",
2677 /* Now delete the message from the source room,
2678 * if this is a 'move' rather than a 'copy' operation.
2681 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2684 cprintf("%d Message %s.\n", OK, (is_copy ? "copied" : "moved") );
2690 * GetMetaData() - Get the supplementary record for a message
2692 void GetMetaData(struct MetaData *smibuf, long msgnum)
2695 struct cdbdata *cdbsmi;
2698 memset(smibuf, 0, sizeof(struct MetaData));
2699 smibuf->meta_msgnum = msgnum;
2700 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2702 /* Use the negative of the message number for its supp record index */
2703 TheIndex = (0L - msgnum);
2705 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2706 if (cdbsmi == NULL) {
2707 return; /* record not found; go with defaults */
2709 memcpy(smibuf, cdbsmi->ptr,
2710 ((cdbsmi->len > sizeof(struct MetaData)) ?
2711 sizeof(struct MetaData) : cdbsmi->len));
2718 * PutMetaData() - (re)write supplementary record for a message
2720 void PutMetaData(struct MetaData *smibuf)
2724 /* Use the negative of the message number for the metadata db index */
2725 TheIndex = (0L - smibuf->meta_msgnum);
2727 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2728 smibuf->meta_msgnum, smibuf->meta_refcount);
2730 cdb_store(CDB_MSGMAIN,
2731 &TheIndex, sizeof(long),
2732 smibuf, sizeof(struct MetaData));
2737 * AdjRefCount - change the reference count for a message;
2738 * delete the message if it reaches zero
2740 void AdjRefCount(long msgnum, int incr)
2743 struct MetaData smi;
2746 /* This is a *tight* critical section; please keep it that way, as
2747 * it may get called while nested in other critical sections.
2748 * Complicating this any further will surely cause deadlock!
2750 begin_critical_section(S_SUPPMSGMAIN);
2751 GetMetaData(&smi, msgnum);
2752 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2753 msgnum, smi.meta_refcount);
2754 smi.meta_refcount += incr;
2756 end_critical_section(S_SUPPMSGMAIN);
2757 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2758 msgnum, smi.meta_refcount);
2760 /* If the reference count is now zero, delete the message
2761 * (and its supplementary record as well).
2763 if (smi.meta_refcount == 0) {
2764 lprintf(9, "Deleting message <%ld>\n", msgnum);
2766 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2768 /* We have to delete the metadata record too! */
2769 delnum = (0L - msgnum);
2770 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2775 * Write a generic object to this room
2777 * Note: this could be much more efficient. Right now we use two temporary
2778 * files, and still pull the message into memory as with all others.
2780 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2781 char *content_type, /* MIME type of this object */
2782 char *tempfilename, /* Where to fetch it from */
2783 struct usersupp *is_mailbox, /* Mailbox room? */
2784 int is_binary, /* Is encoding necessary? */
2785 int is_unique, /* Del others of this type? */
2786 unsigned int flags /* Internal save flags */
2791 char filename[PATH_MAX];
2794 struct quickroom qrbuf;
2795 char roomname[ROOMNAMELEN];
2796 struct CtdlMessage *msg;
2799 if (is_mailbox != NULL)
2800 MailboxName(roomname, is_mailbox, req_room);
2802 safestrncpy(roomname, req_room, sizeof(roomname));
2803 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2805 strcpy(filename, tmpnam(NULL));
2806 fp = fopen(filename, "w");
2810 tempfp = fopen(tempfilename, "r");
2811 if (tempfp == NULL) {
2817 fprintf(fp, "Content-type: %s\n", content_type);
2818 lprintf(9, "Content-type: %s\n", content_type);
2820 if (is_binary == 0) {
2821 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2822 while (ch = getc(tempfp), ch > 0)
2828 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2831 sprintf(cmdbuf, "./base64 -e <%s >>%s",
2832 tempfilename, filename);
2836 lprintf(9, "Allocating\n");
2837 msg = mallok(sizeof(struct CtdlMessage));
2838 memset(msg, 0, sizeof(struct CtdlMessage));
2839 msg->cm_magic = CTDLMESSAGE_MAGIC;
2840 msg->cm_anon_type = MES_NORMAL;
2841 msg->cm_format_type = 4;
2842 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2843 msg->cm_fields['O'] = strdoop(req_room);
2844 msg->cm_fields['N'] = strdoop(config.c_nodename);
2845 msg->cm_fields['H'] = strdoop(config.c_humannode);
2846 msg->cm_flags = flags;
2848 lprintf(9, "Loading\n");
2849 fp = fopen(filename, "rb");
2850 fseek(fp, 0L, SEEK_END);
2853 msg->cm_fields['M'] = mallok(len);
2854 fread(msg->cm_fields['M'], len, 1, fp);
2858 /* Create the requested room if we have to. */
2859 if (getroom(&qrbuf, roomname) != 0) {
2860 create_room(roomname,
2861 ( (is_mailbox != NULL) ? 5 : 3 ),
2864 /* If the caller specified this object as unique, delete all
2865 * other objects of this type that are currently in the room.
2868 lprintf(9, "Deleted %d other msgs of this type\n",
2869 CtdlDeleteMessages(roomname, 0L, content_type));
2871 /* Now write the data */
2872 CtdlSubmitMsg(msg, NULL, roomname);
2873 CtdlFreeMessage(msg);
2881 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
2882 config_msgnum = msgnum;
2886 char *CtdlGetSysConfig(char *sysconfname) {
2887 char hold_rm[ROOMNAMELEN];
2890 struct CtdlMessage *msg;
2893 strcpy(hold_rm, CC->quickroom.QRname);
2894 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
2895 getroom(&CC->quickroom, hold_rm);
2900 /* We want the last (and probably only) config in this room */
2901 begin_critical_section(S_CONFIG);
2902 config_msgnum = (-1L);
2903 CtdlForEachMessage(MSGS_LAST, 1, (-127), sysconfname, NULL,
2904 CtdlGetSysConfigBackend, NULL);
2905 msgnum = config_msgnum;
2906 end_critical_section(S_CONFIG);
2912 msg = CtdlFetchMessage(msgnum);
2914 conf = strdoop(msg->cm_fields['M']);
2915 CtdlFreeMessage(msg);
2922 getroom(&CC->quickroom, hold_rm);
2924 if (conf != NULL) do {
2925 extract_token(buf, conf, 0, '\n');
2926 strcpy(conf, &conf[strlen(buf)+1]);
2927 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
2932 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
2933 char temp[PATH_MAX];
2936 strcpy(temp, tmpnam(NULL));
2938 fp = fopen(temp, "w");
2939 if (fp == NULL) return;
2940 fprintf(fp, "%s", sysconfdata);
2943 /* this handy API function does all the work for us */
2944 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);