19 #include "sysdep_decls.h"
20 #include "citserver.h"
25 #include "dynloader.h"
27 #include "mime_parser.h"
30 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
31 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
32 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
34 extern struct config config;
37 "", "", "", "", "", "", "", "",
38 "", "", "", "", "", "", "", "",
39 "", "", "", "", "", "", "", "",
40 "", "", "", "", "", "", "", "",
41 "", "", "", "", "", "", "", "",
42 "", "", "", "", "", "", "", "",
43 "", "", "", "", "", "", "", "",
44 "", "", "", "", "", "", "", "",
70 * This function is self explanatory.
71 * (What can I say, I'm in a weird mood today...)
73 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
77 for (i = 0; i < strlen(name); ++i)
80 if (isspace(name[i - 1])) {
81 strcpy(&name[i - 1], &name[i]);
84 while (isspace(name[i + 1])) {
85 strcpy(&name[i + 1], &name[i + 2]);
92 * Aliasing for network mail.
93 * (Error messages have been commented out, because this is a server.)
96 { /* process alias and routing info for mail */
99 char aaa[300], bbb[300];
101 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
103 fp = fopen("network/mail.aliases", "r");
105 fp = fopen("/dev/null", "r");
110 while (fgets(aaa, sizeof aaa, fp) != NULL) {
111 while (isspace(name[0]))
112 strcpy(name, &name[1]);
113 aaa[strlen(aaa) - 1] = 0;
115 for (a = 0; a < strlen(aaa); ++a) {
117 strcpy(bbb, &aaa[a + 1]);
121 if (!strcasecmp(name, aaa))
125 lprintf(7, "Mail is being forwarded to %s\n", name);
127 /* determine local or remote type, see citadel.h */
128 for (a = 0; a < strlen(name); ++a)
130 return (MES_INTERNET);
131 for (a = 0; a < strlen(name); ++a)
133 for (b = a; b < strlen(name); ++b)
135 return (MES_INTERNET);
137 for (a = 0; a < strlen(name); ++a)
141 lprintf(7, "Too many @'s in address\n");
145 for (a = 0; a < strlen(name); ++a)
147 strcpy(bbb, &name[a + 1]);
149 strcpy(bbb, &bbb[1]);
150 fp = fopen("network/mail.sysinfo", "r");
154 a = getstring(fp, aaa);
155 } while ((a >= 0) && (strcasecmp(aaa, bbb)));
156 a = getstring(fp, aaa);
157 if (!strncmp(aaa, "use ", 4)) {
158 strcpy(bbb, &aaa[4]);
163 if (!strncmp(aaa, "uum", 3)) {
165 for (a = 0; a < strlen(bbb); ++a) {
171 while (bbb[strlen(bbb) - 1] == '_')
172 bbb[strlen(bbb) - 1] = 0;
173 sprintf(name, &aaa[4], bbb);
174 return (MES_INTERNET);
176 if (!strncmp(aaa, "bin", 3)) {
179 while (aaa[strlen(aaa) - 1] != '@')
180 aaa[strlen(aaa) - 1] = 0;
181 aaa[strlen(aaa) - 1] = 0;
182 while (aaa[strlen(aaa) - 1] == ' ')
183 aaa[strlen(aaa) - 1] = 0;
184 while (bbb[0] != '@')
185 strcpy(bbb, &bbb[1]);
186 strcpy(bbb, &bbb[1]);
187 while (bbb[0] == ' ')
188 strcpy(bbb, &bbb[1]);
189 sprintf(name, "%s @%s", aaa, bbb);
202 fp = fopen("citadel.control", "r");
203 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
209 void simple_listing(long msgnum)
211 cprintf("%ld\n", msgnum);
216 /* Determine if a given message matches the fields in a message template.
217 * Return 0 for a successful match.
219 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
222 /* If there aren't any fields in the template, all messages will
225 if (template == NULL) return(0);
227 /* Null messages are bogus. */
228 if (msg == NULL) return(1);
230 for (i='A'; i<='Z'; ++i) {
231 if (template->cm_fields[i] != NULL) {
232 if (msg->cm_fields[i] == NULL) {
235 if (strcasecmp(msg->cm_fields[i],
236 template->cm_fields[i])) return 1;
240 /* All compares succeeded: we have a match! */
248 * API function to perform an operation for each qualifying message in the
251 void CtdlForEachMessage(int mode, long ref,
253 struct CtdlMessage *compare,
254 void (*CallBack) (long msgnum))
259 struct cdbdata *cdbfr;
260 long *msglist = NULL;
263 struct SuppMsgInfo smi;
264 struct CtdlMessage *msg;
266 /* Learn about the user and room in question */
268 getuser(&CC->usersupp, CC->curr_user);
269 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
271 /* Load the message list */
272 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
274 msglist = mallok(cdbfr->len);
275 memcpy(msglist, cdbfr->ptr, cdbfr->len);
276 num_msgs = cdbfr->len / sizeof(long);
279 return; /* No messages at all? No further action. */
283 /* If the caller is looking for a specific MIME type, then filter
284 * out all messages which are not of the type requested.
287 if (content_type != NULL)
288 if (strlen(content_type) > 0)
289 for (a = 0; a < num_msgs; ++a) {
290 GetSuppMsgInfo(&smi, msglist[a]);
291 if (strcasecmp(smi.smi_content_type, content_type)) {
296 num_msgs = sort_msglist(msglist, num_msgs);
298 /* If a template was supplied, filter out the messages which
299 * don't match. (This could induce some delays!)
302 if (compare != NULL) {
303 for (a = 0; a < num_msgs; ++a) {
304 msg = CtdlFetchMessage(msglist[a]);
306 if (CtdlMsgCmp(msg, compare)) {
309 CtdlFreeMessage(msg);
317 * Now iterate through the message list, according to the
318 * criteria supplied by the caller.
321 for (a = 0; a < num_msgs; ++a) {
322 thismsg = msglist[a];
327 || ((mode == MSGS_OLD) && (thismsg <= vbuf.v_lastseen))
328 || ((mode == MSGS_NEW) && (thismsg > vbuf.v_lastseen))
329 || ((mode == MSGS_NEW) && (thismsg >= vbuf.v_lastseen)
330 && (CC->usersupp.flags & US_LASTOLD))
331 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
332 || ((mode == MSGS_FIRST) && (a < ref))
333 || ((mode == MSGS_GT) && (thismsg > ref))
339 phree(msglist); /* Clean up */
345 * cmd_msgs() - get list of message #'s in this room
346 * implements the MSGS server command using CtdlForEachMessage()
348 void cmd_msgs(char *cmdbuf)
357 int with_template = 0;
358 struct CtdlMessage *template = NULL;
360 extract(which, cmdbuf, 0);
361 cm_ref = extract_int(cmdbuf, 1);
362 with_template = extract_int(cmdbuf, 2);
366 if (!strncasecmp(which, "OLD", 3))
368 else if (!strncasecmp(which, "NEW", 3))
370 else if (!strncasecmp(which, "FIRST", 5))
372 else if (!strncasecmp(which, "LAST", 4))
374 else if (!strncasecmp(which, "GT", 2))
377 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
378 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
383 cprintf("%d Send template then receive message list\n",
385 template = (struct CtdlMessage *)
386 mallok(sizeof(struct CtdlMessage));
387 memset(template, 0, sizeof(struct CtdlMessage));
388 while(client_gets(buf), strcmp(buf,"000")) {
389 extract(tfield, buf, 0);
390 extract(tvalue, buf, 1);
391 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
392 if (!strcasecmp(tfield, msgkeys[i])) {
393 template->cm_fields[i] =
400 cprintf("%d Message list...\n", LISTING_FOLLOWS);
403 CtdlForEachMessage(mode, cm_ref, NULL, template, simple_listing);
404 if (template != NULL) CtdlFreeMessage(template);
412 * help_subst() - support routine for help file viewer
414 void help_subst(char *strbuf, char *source, char *dest)
419 while (p = pattern2(strbuf, source), (p >= 0)) {
420 strcpy(workbuf, &strbuf[p + strlen(source)]);
421 strcpy(&strbuf[p], dest);
422 strcat(strbuf, workbuf);
427 void do_help_subst(char *buffer)
431 help_subst(buffer, "^nodename", config.c_nodename);
432 help_subst(buffer, "^humannode", config.c_humannode);
433 help_subst(buffer, "^fqdn", config.c_fqdn);
434 help_subst(buffer, "^username", CC->usersupp.fullname);
435 sprintf(buf2, "%ld", CC->usersupp.usernum);
436 help_subst(buffer, "^usernum", buf2);
437 help_subst(buffer, "^sysadm", config.c_sysadm);
438 help_subst(buffer, "^variantname", CITADEL);
439 sprintf(buf2, "%d", config.c_maxsessions);
440 help_subst(buffer, "^maxsessions", buf2);
446 * memfmout() - Citadel text formatter and paginator.
447 * Although the original purpose of this routine was to format
448 * text to the reader's screen width, all we're really using it
449 * for here is to format text out to 80 columns before sending it
450 * to the client. The client software may reformat it again.
452 void memfmout(int width, char *mptr, char subst)
453 /* screen width to use */
454 /* where are we going to get our text from? */
455 /* nonzero if we should use hypertext mode */
467 c = 1; /* c is the current pos */
470 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
472 buffer[strlen(buffer) + 1] = 0;
473 buffer[strlen(buffer)] = ch;
476 if (buffer[0] == '^')
477 do_help_subst(buffer);
479 buffer[strlen(buffer) + 1] = 0;
481 strcpy(buffer, &buffer[1]);
491 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
493 if (((old == 13) || (old == 10)) && (isspace(real))) {
501 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
502 cprintf("\n%s", aaa);
511 if ((strlen(aaa) + c) > (width - 5)) {
521 if ((ch == 13) || (ch == 10)) {
522 cprintf("%s\n", aaa);
529 FMTEND: cprintf("%s\n", aaa);
535 * Callback function for mime parser that simply lists the part
537 void list_this_part(char *name, char *filename, char *partnum, char *disp,
538 void *content, char *cbtype, size_t length)
541 cprintf("part=%s|%s|%s|%s|%s|%d\n",
542 name, filename, partnum, disp, cbtype, length);
547 * Callback function for mime parser that wants to display text
549 void fixed_output(char *name, char *filename, char *partnum, char *disp,
550 void *content, char *cbtype, size_t length)
554 if (!strcasecmp(cbtype, "multipart/alternative")) {
555 strcpy(ma->prefix, partnum);
556 strcat(ma->prefix, ".");
562 if ( (!strncasecmp(partnum, ma->prefix, strlen(ma->prefix)))
564 && (ma->did_print == 1) ) {
565 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
571 if (!strcasecmp(cbtype, "text/plain")) {
572 client_write(content, length);
574 else if (!strcasecmp(cbtype, "text/html")) {
575 ptr = html_to_ascii(content, 80, 0);
576 client_write(ptr, strlen(ptr));
579 else if (strncasecmp(cbtype, "multipart/", 10)) {
580 cprintf("Part %s: %s (%s) (%d bytes)\n",
581 partnum, filename, cbtype, length);
587 * Callback function for mime parser that opens a section for downloading
589 void mime_download(char *name, char *filename, char *partnum, char *disp,
590 void *content, char *cbtype, size_t length)
593 /* Silently go away if there's already a download open... */
594 if (CC->download_fp != NULL)
597 /* ...or if this is not the desired section */
598 if (strcasecmp(desired_section, partnum))
601 CC->download_fp = tmpfile();
602 if (CC->download_fp == NULL)
605 fwrite(content, length, 1, CC->download_fp);
606 fflush(CC->download_fp);
607 rewind(CC->download_fp);
609 OpenCmdResult(filename, cbtype);
615 * Load a message from disk into memory.
616 * This is used by output_message() and other fetch functions.
618 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
619 * using the CtdlMessageFree() function.
621 struct CtdlMessage *CtdlFetchMessage(long msgnum)
623 struct cdbdata *dmsgtext;
624 struct CtdlMessage *ret = NULL;
627 CIT_UBYTE field_header;
630 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
631 if (dmsgtext == NULL) {
634 mptr = dmsgtext->ptr;
636 /* Parse the three bytes that begin EVERY message on disk.
637 * The first is always 0xFF, the on-disk magic number.
638 * The second is the anonymous/public type byte.
639 * The third is the format type byte (vari, fixed, or MIME).
643 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
647 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
648 memset(ret, 0, sizeof(struct CtdlMessage));
650 ret->cm_magic = CTDLMESSAGE_MAGIC;
651 ret->cm_anon_type = *mptr++; /* Anon type byte */
652 ret->cm_format_type = *mptr++; /* Format type byte */
655 * The rest is zero or more arbitrary fields. Load them in.
656 * We're done when we encounter either a zero-length field or
657 * have just processed the 'M' (message text) field.
660 field_length = strlen(mptr);
661 if (field_length == 0)
663 field_header = *mptr++;
664 ret->cm_fields[field_header] = mallok(field_length);
665 strcpy(ret->cm_fields[field_header], mptr);
667 while (*mptr++ != 0); /* advance to next field */
669 } while ((field_length > 0) && (field_header != 'M'));
673 /* Always make sure there's something in the msg text field */
674 if (ret->cm_fields['M'] == NULL)
675 ret->cm_fields['M'] = strdoop("<no text>\n");
677 /* Perform "before read" hooks (aborting if any return nonzero) */
678 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
679 CtdlFreeMessage(ret);
688 * Returns 1 if the supplied pointer points to a valid Citadel message.
689 * If the pointer is NULL or the magic number check fails, returns 0.
691 int is_valid_message(struct CtdlMessage *msg) {
694 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
695 lprintf(3, "is_valid_message() -- self-check failed\n");
703 * 'Destructor' for struct CtdlMessage
705 void CtdlFreeMessage(struct CtdlMessage *msg)
709 if (is_valid_message(msg) == 0) return;
711 for (i = 0; i < 256; ++i)
712 if (msg->cm_fields[i] != NULL)
713 phree(msg->cm_fields[i]);
715 msg->cm_magic = 0; /* just in case */
722 * Get a message off disk. (return value is the message's timestamp)
725 void output_message(char *msgid, int mode, int headers_only)
733 char display_name[256];
735 struct CtdlMessage *TheMessage = NULL;
739 /* buffers needed for RFC822 translation */
747 msg_num = atol(msgid);
748 safestrncpy(mid, msgid, sizeof mid);
750 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
751 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
755 /* FIX ... small security issue
756 * We need to check to make sure the requested message is actually
757 * in the current room, and set msg_ok to 1 only if it is. This
758 * functionality is currently missing because I'm in a hurry to replace
759 * broken production code with nonbroken pre-beta code. :( -- ajc
762 cprintf("%d Message %ld is not in this room.\n",
769 * Fetch the message from disk
771 TheMessage = CtdlFetchMessage(msg_num);
772 if (TheMessage == NULL) {
773 cprintf("%d Can't locate msg %ld on disk\n", ERROR, msg_num);
777 /* Are we downloading a MIME component? */
778 if (mode == MT_DOWNLOAD) {
779 if (TheMessage->cm_format_type != FMT_RFC822) {
780 cprintf("%d This is not a MIME message.\n",
782 } else if (CC->download_fp != NULL) {
783 cprintf("%d You already have a download open.\n",
786 /* Parse the message text component */
787 mptr = TheMessage->cm_fields['M'];
788 mime_parser(mptr, NULL, *mime_download);
789 /* If there's no file open by this time, the requested
790 * section wasn't found, so print an error
792 if (CC->download_fp == NULL) {
793 cprintf("%d Section %s not found.\n",
794 ERROR + FILE_NOT_FOUND,
798 CtdlFreeMessage(TheMessage);
802 /* now for the user-mode message reading loops */
803 cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
805 /* Tell the client which format type we're using. If this is a
806 * MIME message, *lie* about it and tell the user it's fixed-format.
808 if (mode == MT_CITADEL) {
809 if (TheMessage->cm_format_type == FMT_RFC822)
812 cprintf("type=%d\n", TheMessage->cm_format_type);
815 /* nhdr=yes means that we're only displaying headers, no body */
816 if ((TheMessage->cm_anon_type == MES_ANON) && (mode == MT_CITADEL)) {
817 cprintf("nhdr=yes\n");
820 /* begin header processing loop for Citadel message format */
822 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
824 strcpy(display_name, "<unknown>");
825 if (TheMessage->cm_fields['A']) {
826 strcpy(buf, TheMessage->cm_fields['A']);
827 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
828 if (TheMessage->cm_anon_type == MES_ANON)
829 strcpy(display_name, "****");
830 else if (TheMessage->cm_anon_type == MES_AN2)
831 strcpy(display_name, "anonymous");
833 strcpy(display_name, buf);
835 && ((TheMessage->cm_anon_type == MES_ANON)
836 || (TheMessage->cm_anon_type == MES_AN2))) {
837 sprintf(&display_name[strlen(display_name)],
842 strcpy(allkeys, FORDER);
843 for (i=0; i<strlen(allkeys); ++i) {
844 k = (int) allkeys[i];
846 if (TheMessage->cm_fields[k] != NULL) {
855 TheMessage->cm_fields[k]
864 /* begin header processing loop for RFC822 transfer format */
868 strcpy(snode, NODENAME);
869 strcpy(lnode, HUMANNODE);
870 if (mode == MT_RFC822) {
871 for (i = 0; i < 256; ++i) {
872 if (TheMessage->cm_fields[i]) {
873 mptr = TheMessage->cm_fields[i];
877 } else if (i == 'P') {
878 cprintf("Path: %s\n", mptr);
879 for (a = 0; a < strlen(mptr); ++a) {
880 if (mptr[a] == '!') {
881 strcpy(mptr, &mptr[a + 1]);
887 cprintf("Subject: %s\n", mptr);
893 cprintf("X-Citadel-Room: %s\n", mptr);
897 cprintf("To: %s\n", mptr);
900 cprintf("Date: %s", asctime(localtime(&xtime)));
906 if (mode == MT_RFC822) {
907 if (!strcasecmp(snode, NODENAME)) {
910 cprintf("Message-ID: <%s@%s>\n", mid, snode);
911 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
912 cprintf("From: %s@%s (%s)\n", suser, snode, luser);
913 cprintf("Organization: %s\n", lnode);
916 /* end header processing loop ... at this point, we're in the text */
918 mptr = TheMessage->cm_fields['M'];
920 /* Tell the client about the MIME parts in this message */
921 if (TheMessage->cm_format_type == FMT_RFC822) { /* legacy text dump */
922 if (mode == MT_CITADEL) {
923 mime_parser(mptr, NULL, *list_this_part);
925 else if (mode == MT_MIME) { /* list parts only */
926 mime_parser(mptr, NULL, *list_this_part);
928 CtdlFreeMessage(TheMessage);
935 CtdlFreeMessage(TheMessage);
939 /* signify start of msg text */
940 if (mode == MT_CITADEL)
942 if ((mode == MT_RFC822) && (TheMessage->cm_format_type != FMT_RFC822))
945 /* If the format type on disk is 1 (fixed-format), then we want
946 * everything to be output completely literally ... regardless of
947 * what message transfer format is in use.
949 if (TheMessage->cm_format_type == FMT_FIXED) {
951 while (ch = *mptr++, ch > 0) {
954 if ((ch == 10) || (strlen(buf) > 250)) {
955 cprintf("%s\n", buf);
958 buf[strlen(buf) + 1] = 0;
959 buf[strlen(buf)] = ch;
963 cprintf("%s\n", buf);
966 /* If the message on disk is format 0 (Citadel vari-format), we
967 * output using the formatter at 80 columns. This is the final output
968 * form if the transfer format is RFC822, but if the transfer format
969 * is Citadel proprietary, it'll still work, because the indentation
970 * for new paragraphs is correct and the client will reformat the
971 * message to the reader's screen width.
973 if (TheMessage->cm_format_type == FMT_CITADEL) {
974 memfmout(80, mptr, 0);
977 /* If the message on disk is format 4 (MIME), we've gotta hand it
978 * off to the MIME parser. The client has already been told that
979 * this message is format 1 (fixed format), so the callback function
980 * we use will display those parts as-is.
982 if (TheMessage->cm_format_type == FMT_RFC822) {
983 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
984 memset(ma, 0, sizeof(struct ma_info));
985 mime_parser(mptr, NULL, *fixed_output);
990 CtdlFreeMessage(TheMessage);
997 * display a message (mode 0 - Citadel proprietary)
999 void cmd_msg0(char *cmdbuf)
1002 int headers_only = 0;
1004 extract(msgid, cmdbuf, 0);
1005 headers_only = extract_int(cmdbuf, 1);
1007 output_message(msgid, MT_CITADEL, headers_only);
1013 * display a message (mode 2 - RFC822)
1015 void cmd_msg2(char *cmdbuf)
1018 int headers_only = 0;
1020 extract(msgid, cmdbuf, 0);
1021 headers_only = extract_int(cmdbuf, 1);
1023 output_message(msgid, MT_RFC822, headers_only);
1029 * display a message (mode 3 - IGnet raw format - internal programs only)
1031 void cmd_msg3(char *cmdbuf)
1034 struct CtdlMessage *msg;
1037 if (CC->internal_pgm == 0) {
1038 cprintf("%d This command is for internal programs only.\n",
1043 msgnum = extract_long(cmdbuf, 0);
1044 msg = CtdlFetchMessage(msgnum);
1046 cprintf("%d Message %ld not found.\n",
1051 serialize_message(&smr, msg);
1052 CtdlFreeMessage(msg);
1055 cprintf("%d Unable to serialize message\n",
1056 ERROR+INTERNAL_ERROR);
1060 cprintf("%d %ld\n", BINARY_FOLLOWS, smr.len);
1061 client_write(smr.ser, smr.len);
1068 * display a message (mode 4 - MIME) (FIX ... still evolving, not complete)
1070 void cmd_msg4(char *cmdbuf)
1074 extract(msgid, cmdbuf, 0);
1076 output_message(msgid, MT_MIME, 0);
1080 * Open a component of a MIME message as a download file
1082 void cmd_opna(char *cmdbuf)
1086 CtdlAllocUserData(SYM_DESIRED_SECTION, 64);
1088 extract(msgid, cmdbuf, 0);
1089 extract(desired_section, cmdbuf, 1);
1091 output_message(msgid, MT_DOWNLOAD, 0);
1096 * Save a message pointer into a specified room
1097 * (Returns 0 for success, nonzero for failure)
1098 * roomname may be NULL to use the current room
1100 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1102 char hold_rm[ROOMNAMELEN];
1103 struct cdbdata *cdbfr;
1106 long highest_msg = 0L;
1107 struct CtdlMessage *msg = NULL;
1109 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1110 roomname, msgid, flags);
1112 strcpy(hold_rm, CC->quickroom.QRname);
1114 /* We may need to check to see if this message is real */
1115 if ( (flags & SM_VERIFY_GOODNESS)
1116 || (flags & SM_DO_REPL_CHECK)
1118 msg = CtdlFetchMessage(msgid);
1119 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1122 /* Perform replication checks if necessary */
1123 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1125 if (getroom(&CC->quickroom,
1126 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1128 lprintf(9, "No such room <%s>\n", roomname);
1129 if (msg != NULL) CtdlFreeMessage(msg);
1130 return(ERROR + ROOM_NOT_FOUND);
1133 if (ReplicationChecks(msg) != 0) {
1134 getroom(&CC->quickroom, hold_rm);
1135 if (msg != NULL) CtdlFreeMessage(msg);
1136 lprintf(9, "Did replication, and newer exists\n");
1141 /* Now the regular stuff */
1142 if (lgetroom(&CC->quickroom,
1143 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1145 lprintf(9, "No such room <%s>\n", roomname);
1146 if (msg != NULL) CtdlFreeMessage(msg);
1147 return(ERROR + ROOM_NOT_FOUND);
1150 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1151 if (cdbfr == NULL) {
1155 msglist = mallok(cdbfr->len);
1156 if (msglist == NULL)
1157 lprintf(3, "ERROR malloc msglist!\n");
1158 num_msgs = cdbfr->len / sizeof(long);
1159 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1164 /* Make sure the message doesn't already exist in this room. It
1165 * is absolutely taboo to have more than one reference to the same
1166 * message in a room.
1168 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1169 if (msglist[i] == msgid) {
1170 lputroom(&CC->quickroom); /* unlock the room */
1171 getroom(&CC->quickroom, hold_rm);
1172 if (msg != NULL) CtdlFreeMessage(msg);
1173 return(ERROR + ALREADY_EXISTS);
1177 /* Now add the new message */
1179 msglist = reallok(msglist,
1180 (num_msgs * sizeof(long)));
1182 if (msglist == NULL) {
1183 lprintf(3, "ERROR: can't realloc message list!\n");
1185 msglist[num_msgs - 1] = msgid;
1187 /* Sort the message list, so all the msgid's are in order */
1188 num_msgs = sort_msglist(msglist, num_msgs);
1190 /* Determine the highest message number */
1191 highest_msg = msglist[num_msgs - 1];
1193 /* Write it back to disk. */
1194 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1195 msglist, num_msgs * sizeof(long));
1197 /* Free up the memory we used. */
1200 /* Update the highest-message pointer and unlock the room. */
1201 CC->quickroom.QRhighest = highest_msg;
1202 lputroom(&CC->quickroom);
1203 getroom(&CC->quickroom, hold_rm);
1205 /* Bump the reference count for this message. */
1206 AdjRefCount(msgid, +1);
1208 /* Return success. */
1209 if (msg != NULL) CtdlFreeMessage(msg);
1216 * Message base operation to send a message to the master file
1217 * (returns new message number)
1219 * This is the back end for CtdlSaveMsg() and should not be directly
1220 * called by server-side modules.
1223 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1224 int generate_id, /* generate 'I' field? */
1225 FILE *save_a_copy) /* save a copy to disk? */
1232 /* Get a new message number */
1233 newmsgid = get_new_message_number();
1234 sprintf(msgidbuf, "%ld", newmsgid);
1237 msg->cm_fields['I'] = strdoop(msgidbuf);
1240 serialize_message(&smr, msg);
1243 cprintf("%d Unable to serialize message\n",
1244 ERROR+INTERNAL_ERROR);
1248 /* Write our little bundle of joy into the message base */
1249 begin_critical_section(S_MSGMAIN);
1250 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1251 smr.ser, smr.len) < 0) {
1252 lprintf(2, "Can't store message\n");
1257 end_critical_section(S_MSGMAIN);
1259 /* If the caller specified that a copy should be saved to a particular
1260 * file handle, do that now too.
1262 if (save_a_copy != NULL) {
1263 fwrite(smr.ser, smr.len, 1, save_a_copy);
1266 /* Free the memory we used for the serialized message */
1269 /* Return the *local* message ID to the caller
1270 * (even if we're storing an incoming network message)
1278 * Serialize a struct CtdlMessage into the format used on disk and network.
1280 * This function loads up a "struct ser_ret" (defined in server.h) which
1281 * contains the length of the serialized message and a pointer to the
1282 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1284 void serialize_message(struct ser_ret *ret, /* return values */
1285 struct CtdlMessage *msg) /* unserialized msg */
1289 static char *forder = FORDER;
1291 if (is_valid_message(msg) == 0) return; /* self check */
1294 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1295 ret->len = ret->len +
1296 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1298 lprintf(9, "calling malloc\n");
1299 ret->ser = mallok(ret->len);
1300 if (ret->ser == NULL) {
1306 ret->ser[1] = msg->cm_anon_type;
1307 ret->ser[2] = msg->cm_format_type;
1310 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1311 ret->ser[wlen++] = (char)forder[i];
1312 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1313 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1315 if (ret->len != wlen) lprintf(3, "ERROR: len=%d wlen=%d\n",
1324 * Back end for the ReplicationChecks() function
1326 void check_repl(long msgnum) {
1327 struct CtdlMessage *msg;
1328 time_t timestamp = (-1L);
1330 lprintf(9, "check_repl() found message %ld\n", msgnum);
1331 msg = CtdlFetchMessage(msgnum);
1332 if (msg == NULL) return;
1333 if (msg->cm_fields['T'] != NULL) {
1334 timestamp = atol(msg->cm_fields['T']);
1336 CtdlFreeMessage(msg);
1338 if (timestamp > msg_repl->highest) {
1339 msg_repl->highest = timestamp; /* newer! */
1340 lprintf(9, "newer!\n");
1343 lprintf(9, "older!\n");
1345 /* Existing isn't newer? Then delete the old one(s). */
1346 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, NULL);
1351 * Check to see if any messages already exist which carry the same Extended ID
1355 * -> With older timestamps: delete them and return 0. Message will be saved.
1356 * -> With newer timestamps: return 1. Message save will be aborted.
1358 int ReplicationChecks(struct CtdlMessage *msg) {
1359 struct CtdlMessage *template;
1362 lprintf(9, "ReplicationChecks() started\n");
1363 /* No extended id? Don't do anything. */
1364 if (msg->cm_fields['E'] == NULL) return 0;
1365 if (strlen(msg->cm_fields['E']) == 0) return 0;
1366 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1368 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1369 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1370 msg_repl->highest = atol(msg->cm_fields['T']);
1372 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1373 memset(template, 0, sizeof(struct CtdlMessage));
1374 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1376 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl);
1378 /* If a newer message exists with the same Extended ID, abort
1381 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1385 CtdlFreeMessage(template);
1386 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1394 * Save a message to disk
1396 long CtdlSaveMsg(struct CtdlMessage *msg, /* message to save */
1397 char *rec, /* Recipient (mail) */
1398 char *force, /* force a particular room? */
1399 int mailtype, /* local or remote type */
1400 int generate_id) /* 1 = generate 'I' field */
1403 char hold_rm[ROOMNAMELEN];
1404 char actual_rm[ROOMNAMELEN];
1405 char force_room[ROOMNAMELEN];
1406 char content_type[256]; /* We have to learn this */
1407 char recipient[256];
1410 struct usersupp userbuf;
1412 struct SuppMsgInfo smi;
1413 FILE *network_fp = NULL;
1414 static int seqnum = 1;
1416 lprintf(9, "CtdlSaveMsg() called\n");
1417 if (is_valid_message(msg) == 0) return(-1); /* self check */
1419 /* If this message has no timestamp, we take the liberty of
1420 * giving it one, right now.
1422 if (msg->cm_fields['T'] == NULL) {
1423 lprintf(9, "Generating timestamp\n");
1424 sprintf(aaa, "%ld", time(NULL));
1425 msg->cm_fields['T'] = strdoop(aaa);
1428 /* If this message has no path, we generate one.
1430 if (msg->cm_fields['P'] == NULL) {
1431 lprintf(9, "Generating path\n");
1432 if (msg->cm_fields['A'] != NULL) {
1433 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1434 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1435 if (isspace(msg->cm_fields['P'][a])) {
1436 msg->cm_fields['P'][a] = ' ';
1441 msg->cm_fields['P'] = strdoop("unknown");
1445 strcpy(force_room, force);
1447 /* Strip non-printable characters out of the recipient name */
1448 strcpy(recipient, rec);
1449 for (a = 0; a < strlen(recipient); ++a)
1450 if (!isprint(recipient[a]))
1451 strcpy(&recipient[a], &recipient[a + 1]);
1453 /* Learn about what's inside, because it's what's inside that counts */
1454 lprintf(9, "Learning what's inside\n");
1456 switch (msg->cm_format_type) {
1458 strcpy(content_type, "text/x-citadel-variformat");
1461 strcpy(content_type, "text/plain");
1464 strcpy(content_type, "text/plain");
1465 /* advance past header fields */
1466 mptr = msg->cm_fields['M'];
1469 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1470 safestrncpy(content_type, mptr,
1471 sizeof(content_type));
1472 strcpy(content_type, &content_type[14]);
1473 for (a = 0; a < strlen(content_type); ++a)
1474 if ((content_type[a] == ';')
1475 || (content_type[a] == ' ')
1476 || (content_type[a] == 13)
1477 || (content_type[a] == 10))
1478 content_type[a] = 0;
1485 /* Goto the correct room */
1486 lprintf(9, "Switching rooms\n");
1487 strcpy(hold_rm, CC->quickroom.QRname);
1488 strcpy(actual_rm, CC->quickroom.QRname);
1490 /* If the user is a twit, move to the twit room for posting */
1491 lprintf(9, "Handling twit stuff\n");
1493 if (CC->usersupp.axlevel == 2) {
1494 strcpy(hold_rm, actual_rm);
1495 strcpy(actual_rm, config.c_twitroom);
1499 /* ...or if this message is destined for Aide> then go there. */
1500 if (strlen(force_room) > 0) {
1501 strcpy(actual_rm, force_room);
1504 lprintf(9, "Possibly relocating\n");
1505 if (strcasecmp(actual_rm, CC->quickroom.QRname))
1506 getroom(&CC->quickroom, actual_rm);
1508 /* Perform "before save" hooks (aborting if any return nonzero) */
1509 lprintf(9, "Performing before-save hooks\n");
1510 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1512 /* If this message has an Extended ID, perform replication checks */
1513 lprintf(9, "Performing replication checks\n");
1514 if (ReplicationChecks(msg) > 0) return(-1);
1516 /* Network mail - send a copy to the network program. */
1517 if ((strlen(recipient) > 0) && (mailtype == MES_BINARY)) {
1518 lprintf(9, "Sending network spool\n");
1519 sprintf(aaa, "./network/spoolin/netmail.%04lx.%04x.%04x",
1520 (long) getpid(), CC->cs_pid, ++seqnum);
1521 lprintf(9, "Saving a copy to %s\n", aaa);
1522 network_fp = fopen(aaa, "ab+");
1523 if (network_fp == NULL)
1524 lprintf(2, "ERROR: %s\n", strerror(errno));
1527 /* Save it to disk */
1528 lprintf(9, "Saving to disk\n");
1529 newmsgid = send_message(msg, generate_id, network_fp);
1530 if (network_fp != NULL) {
1532 system("exec nohup ./netproc -i >/dev/null 2>&1 &");
1535 if (newmsgid <= 0L) return(-1);
1537 /* Write a supplemental message info record. This doesn't have to
1538 * be a critical section because nobody else knows about this message
1541 lprintf(9, "Creating SuppMsgInfo record\n");
1542 memset(&smi, 0, sizeof(struct SuppMsgInfo));
1543 smi.smi_msgnum = newmsgid;
1544 smi.smi_refcount = 0;
1545 safestrncpy(smi.smi_content_type, content_type, 64);
1546 PutSuppMsgInfo(&smi);
1548 /* Now figure out where to store the pointers */
1549 lprintf(9, "Storing pointers\n");
1552 /* If this is being done by the networker delivering a private
1553 * message, we want to BYPASS saving the sender's copy (because there
1554 * is no local sender; it would otherwise go to the Trashcan).
1556 if ((!CC->internal_pgm) || (strlen(recipient) == 0)) {
1557 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1560 /* For internet mail, drop a copy in the outbound queue room */
1561 /* FIX ... nothing's going to get delivered until we add
1562 some delivery instructions!!! */
1563 if (mailtype == MES_INTERNET) {
1564 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
1567 /* Bump this user's messages posted counter. */
1568 lprintf(9, "Updating user\n");
1569 lgetuser(&CC->usersupp, CC->curr_user);
1570 CC->usersupp.posted = CC->usersupp.posted + 1;
1571 lputuser(&CC->usersupp);
1573 /* If this is private, local mail, make a copy in the
1574 * recipient's mailbox and bump the reference count.
1576 if ((strlen(recipient) > 0) && (mailtype == MES_LOCAL)) {
1577 if (getuser(&userbuf, recipient) == 0) {
1578 lprintf(9, "Delivering private mail\n");
1579 MailboxName(actual_rm, &userbuf, MAILROOM);
1580 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1584 /* Perform "after save" hooks */
1585 lprintf(9, "Performing after-save hooks\n");
1586 PerformMessageHooks(msg, EVT_AFTERSAVE);
1589 lprintf(9, "Returning to original room\n");
1590 if (strcasecmp(hold_rm, CC->quickroom.QRname))
1591 getroom(&CC->quickroom, hold_rm);
1599 * Convenience function for generating small administrative messages.
1601 void quickie_message(char *from, char *to, char *room, char *text)
1603 struct CtdlMessage *msg;
1605 msg = mallok(sizeof(struct CtdlMessage));
1606 memset(msg, 0, sizeof(struct CtdlMessage));
1607 msg->cm_magic = CTDLMESSAGE_MAGIC;
1608 msg->cm_anon_type = MES_NORMAL;
1609 msg->cm_format_type = 0;
1610 msg->cm_fields['A'] = strdoop(from);
1611 msg->cm_fields['O'] = strdoop(room);
1612 msg->cm_fields['N'] = strdoop(NODENAME);
1614 msg->cm_fields['R'] = strdoop(to);
1615 msg->cm_fields['M'] = strdoop(text);
1617 CtdlSaveMsg(msg, "", room, MES_LOCAL, 1);
1618 CtdlFreeMessage(msg);
1619 syslog(LOG_NOTICE, text);
1625 * Back end function used by make_message() and similar functions
1627 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
1628 size_t maxlen, /* maximum message length */
1629 char *exist /* if non-null, append to it;
1630 exist is ALWAYS freed */
1633 size_t message_len = 0;
1634 size_t buffer_len = 0;
1638 if (exist == NULL) {
1642 m = reallok(exist, strlen(exist) + 4096);
1643 if (m == NULL) phree(exist);
1646 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
1653 /* read in the lines of message text one by one */
1655 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
1657 /* augment the buffer if we have to */
1658 if ((message_len + strlen(buf) + 2) > buffer_len) {
1659 lprintf(9, "realloking\n");
1660 ptr = reallok(m, (buffer_len * 2) );
1661 if (ptr == NULL) { /* flush if can't allocate */
1662 while ( (client_gets(buf)>0) &&
1663 strcmp(buf, terminator)) ;;
1666 buffer_len = (buffer_len * 2);
1669 lprintf(9, "buffer_len is %d\n", buffer_len);
1673 if (append == NULL) append = m;
1674 while (strlen(append) > 0) ++append;
1675 strcpy(append, buf);
1676 strcat(append, "\n");
1677 message_len = message_len + strlen(buf) + 1;
1679 /* if we've hit the max msg length, flush the rest */
1680 if (message_len >= maxlen) {
1681 while ( (client_gets(buf)>0) && strcmp(buf, terminator)) ;;
1692 * Build a binary message to be saved on disk.
1695 struct CtdlMessage *make_message(
1696 struct usersupp *author, /* author's usersupp structure */
1697 char *recipient, /* NULL if it's not mail */
1698 char *room, /* room where it's going */
1699 int type, /* see MES_ types in header file */
1700 int net_type, /* see MES_ types in header file */
1701 int format_type, /* local or remote (see citadel.h) */
1702 char *fake_name) /* who we're masquerading as */
1708 struct CtdlMessage *msg;
1710 msg = mallok(sizeof(struct CtdlMessage));
1711 memset(msg, 0, sizeof(struct CtdlMessage));
1712 msg->cm_magic = CTDLMESSAGE_MAGIC;
1713 msg->cm_anon_type = type;
1714 msg->cm_format_type = format_type;
1716 /* Don't confuse the poor folks if it's not routed mail. */
1717 strcpy(dest_node, "");
1719 /* If net_type is MES_BINARY, split out the destination node. */
1720 if (net_type == MES_BINARY) {
1721 strcpy(dest_node, NODENAME);
1722 for (a = 0; a < strlen(recipient); ++a) {
1723 if (recipient[a] == '@') {
1725 strcpy(dest_node, &recipient[a + 1]);
1730 /* if net_type is MES_INTERNET, set the dest node to 'internet' */
1731 if (net_type == MES_INTERNET) {
1732 strcpy(dest_node, "internet");
1735 while (isspace(recipient[strlen(recipient) - 1]))
1736 recipient[strlen(recipient) - 1] = 0;
1738 sprintf(buf, "cit%ld", author->usernum); /* Path */
1739 msg->cm_fields['P'] = strdoop(buf);
1741 sprintf(buf, "%ld", time(NULL)); /* timestamp */
1742 msg->cm_fields['T'] = strdoop(buf);
1744 if (fake_name[0]) /* author */
1745 msg->cm_fields['A'] = strdoop(fake_name);
1747 msg->cm_fields['A'] = strdoop(author->fullname);
1749 if (CC->quickroom.QRflags & QR_MAILBOX) /* room */
1750 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
1752 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1754 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
1755 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
1757 if (recipient[0] != 0)
1758 msg->cm_fields['R'] = strdoop(recipient);
1759 if (dest_node[0] != 0)
1760 msg->cm_fields['D'] = strdoop(dest_node);
1763 msg->cm_fields['M'] = CtdlReadMessageBody("000",
1764 config.c_maxmsglen, NULL);
1775 * message entry - mode 0 (normal)
1777 void cmd_ent0(char *entargs)
1780 char recipient[256];
1782 int format_type = 0;
1783 char newusername[256];
1784 struct CtdlMessage *msg;
1788 struct usersupp tempUS;
1791 post = extract_int(entargs, 0);
1792 extract(recipient, entargs, 1);
1793 anon_flag = extract_int(entargs, 2);
1794 format_type = extract_int(entargs, 3);
1796 /* first check to make sure the request is valid. */
1798 if (!(CC->logged_in)) {
1799 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1802 if ((CC->usersupp.axlevel < 2) && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
1803 cprintf("%d Need to be validated to enter ",
1804 ERROR + HIGHER_ACCESS_REQUIRED);
1805 cprintf("(except in %s> to sysop)\n", MAILROOM);
1808 if ((CC->usersupp.axlevel < 4) && (CC->quickroom.QRflags & QR_NETWORK)) {
1809 cprintf("%d Need net privileges to enter here.\n",
1810 ERROR + HIGHER_ACCESS_REQUIRED);
1813 if ((CC->usersupp.axlevel < 6) && (CC->quickroom.QRflags & QR_READONLY)) {
1814 cprintf("%d Sorry, this is a read-only room.\n",
1815 ERROR + HIGHER_ACCESS_REQUIRED);
1822 if (CC->usersupp.axlevel < 6) {
1823 cprintf("%d You don't have permission to masquerade.\n",
1824 ERROR + HIGHER_ACCESS_REQUIRED);
1827 extract(newusername, entargs, 4);
1828 memset(CC->fake_postname, 0, 32);
1829 strcpy(CC->fake_postname, newusername);
1830 cprintf("%d Ok\n", OK);
1833 CC->cs_flags |= CS_POSTING;
1836 if (CC->quickroom.QRflags & QR_MAILBOX) {
1837 if (CC->usersupp.axlevel >= 2) {
1838 strcpy(buf, recipient);
1840 strcpy(buf, "sysop");
1841 e = alias(buf); /* alias and mail type */
1842 if ((buf[0] == 0) || (e == MES_ERROR)) {
1843 cprintf("%d Unknown address - cannot send message.\n",
1844 ERROR + NO_SUCH_USER);
1847 if ((e != MES_LOCAL) && (CC->usersupp.axlevel < 4)) {
1848 cprintf("%d Net privileges required for network mail.\n",
1849 ERROR + HIGHER_ACCESS_REQUIRED);
1852 if ((RESTRICT_INTERNET == 1) && (e == MES_INTERNET)
1853 && ((CC->usersupp.flags & US_INTERNET) == 0)
1854 && (!CC->internal_pgm)) {
1855 cprintf("%d You don't have access to Internet mail.\n",
1856 ERROR + HIGHER_ACCESS_REQUIRED);
1859 if (!strcasecmp(buf, "sysop")) {
1864 goto SKFALL; /* don't search local file */
1865 if (!strcasecmp(buf, CC->usersupp.fullname)) {
1866 cprintf("%d Can't send mail to yourself!\n",
1867 ERROR + NO_SUCH_USER);
1870 /* Check to make sure the user exists; also get the correct
1871 * upper/lower casing of the name.
1873 a = getuser(&tempUS, buf);
1875 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1878 strcpy(buf, tempUS.fullname);
1881 SKFALL: b = MES_NORMAL;
1882 if (CC->quickroom.QRflags & QR_ANONONLY)
1884 if (CC->quickroom.QRflags & QR_ANONOPT) {
1888 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
1891 /* If we're only checking the validity of the request, return
1892 * success without creating the message.
1895 cprintf("%d %s\n", OK, buf);
1899 cprintf("%d send message\n", SEND_LISTING);
1901 /* Read in the message from the client. */
1902 if (CC->fake_postname[0])
1903 msg = make_message(&CC->usersupp, buf,
1904 CC->quickroom.QRname, b, e, format_type,
1906 else if (CC->fake_username[0])
1907 msg = make_message(&CC->usersupp, buf,
1908 CC->quickroom.QRname, b, e, format_type,
1911 msg = make_message(&CC->usersupp, buf,
1912 CC->quickroom.QRname, b, e, format_type, "");
1915 CtdlSaveMsg(msg, buf, (mtsflag ? AIDEROOM : ""), e, 1);
1916 CtdlFreeMessage(msg);
1917 CC->fake_postname[0] = '\0';
1924 * message entry - mode 3 (raw)
1926 void cmd_ent3(char *entargs)
1932 unsigned char ch, which_field;
1933 struct usersupp tempUS;
1935 struct CtdlMessage *msg;
1938 if (CC->internal_pgm == 0) {
1939 cprintf("%d This command is for internal programs only.\n",
1944 /* See if there's a recipient, but make sure it's a real one */
1945 extract(recp, entargs, 1);
1946 for (a = 0; a < strlen(recp); ++a)
1947 if (!isprint(recp[a]))
1948 strcpy(&recp[a], &recp[a + 1]);
1949 while (isspace(recp[0]))
1950 strcpy(recp, &recp[1]);
1951 while (isspace(recp[strlen(recp) - 1]))
1952 recp[strlen(recp) - 1] = 0;
1954 /* If we're in Mail, check the recipient */
1955 if (strlen(recp) > 0) {
1956 e = alias(recp); /* alias and mail type */
1957 if ((recp[0] == 0) || (e == MES_ERROR)) {
1958 cprintf("%d Unknown address - cannot send message.\n",
1959 ERROR + NO_SUCH_USER);
1962 if (e == MES_LOCAL) {
1963 a = getuser(&tempUS, recp);
1965 cprintf("%d No such user.\n",
1966 ERROR + NO_SUCH_USER);
1972 /* At this point, message has been approved. */
1973 if (extract_int(entargs, 0) == 0) {
1974 cprintf("%d OK to send\n", OK);
1978 msglen = extract_long(entargs, 2);
1979 msg = mallok(sizeof(struct CtdlMessage));
1981 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
1985 memset(msg, 0, sizeof(struct CtdlMessage));
1986 tempbuf = mallok(msglen);
1987 if (tempbuf == NULL) {
1988 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
1993 cprintf("%d %ld\n", SEND_BINARY, msglen);
1995 client_read(&ch, 1); /* 0xFF magic number */
1996 msg->cm_magic = CTDLMESSAGE_MAGIC;
1997 client_read(&ch, 1); /* anon type */
1998 msg->cm_anon_type = ch;
1999 client_read(&ch, 1); /* format type */
2000 msg->cm_format_type = ch;
2001 msglen = msglen - 3;
2003 while (msglen > 0) {
2004 client_read(&which_field, 1);
2005 if (!isalpha(which_field)) valid_msg = 0;
2009 client_read(&ch, 1);
2011 a = strlen(tempbuf);
2014 } while ( (ch != 0) && (msglen > 0) );
2016 msg->cm_fields[which_field] = strdoop(tempbuf);
2019 msg->cm_flags = CM_SKIP_HOOKS;
2020 if (valid_msg) CtdlSaveMsg(msg, recp, "", e, 0);
2021 CtdlFreeMessage(msg);
2027 * API function to delete messages which match a set of criteria
2028 * (returns the actual number of messages deleted)
2030 int CtdlDeleteMessages(char *room_name, /* which room */
2031 long dmsgnum, /* or "0" for any */
2032 char *content_type /* or NULL for any */
2036 struct quickroom qrbuf;
2037 struct cdbdata *cdbfr;
2038 long *msglist = NULL;
2041 int num_deleted = 0;
2043 struct SuppMsgInfo smi;
2045 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2046 room_name, dmsgnum, content_type);
2048 /* get room record, obtaining a lock... */
2049 if (lgetroom(&qrbuf, room_name) != 0) {
2050 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2052 return (0); /* room not found */
2054 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2056 if (cdbfr != NULL) {
2057 msglist = mallok(cdbfr->len);
2058 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2059 num_msgs = cdbfr->len / sizeof(long);
2063 for (i = 0; i < num_msgs; ++i) {
2066 /* Set/clear a bit for each criterion */
2068 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2069 delete_this |= 0x01;
2071 if (content_type == NULL) {
2072 delete_this |= 0x02;
2074 GetSuppMsgInfo(&smi, msglist[i]);
2075 if (!strcasecmp(smi.smi_content_type,
2077 delete_this |= 0x02;
2081 /* Delete message only if all bits are set */
2082 if (delete_this == 0x03) {
2083 AdjRefCount(msglist[i], -1);
2089 num_msgs = sort_msglist(msglist, num_msgs);
2090 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2091 msglist, (num_msgs * sizeof(long)));
2093 qrbuf.QRhighest = msglist[num_msgs - 1];
2097 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2098 return (num_deleted);
2104 * Delete message from current room
2106 void cmd_dele(char *delstr)
2111 getuser(&CC->usersupp, CC->curr_user);
2112 if ((CC->usersupp.axlevel < 6)
2113 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2114 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2115 && (!(CC->internal_pgm))) {
2116 cprintf("%d Higher access required.\n",
2117 ERROR + HIGHER_ACCESS_REQUIRED);
2120 delnum = extract_long(delstr, 0);
2122 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, NULL);
2125 cprintf("%d %d message%s deleted.\n", OK,
2126 num_deleted, ((num_deleted != 1) ? "s" : ""));
2128 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2134 * move or copy a message to another room
2136 void cmd_move(char *args)
2140 struct quickroom qtemp;
2144 num = extract_long(args, 0);
2145 extract(targ, args, 1);
2146 targ[ROOMNAMELEN - 1] = 0;
2147 is_copy = extract_int(args, 2);
2149 getuser(&CC->usersupp, CC->curr_user);
2150 if ((CC->usersupp.axlevel < 6)
2151 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)) {
2152 cprintf("%d Higher access required.\n",
2153 ERROR + HIGHER_ACCESS_REQUIRED);
2157 if (getroom(&qtemp, targ) != 0) {
2158 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2162 err = CtdlSaveMsgPointerInRoom(targ, num,
2163 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2165 cprintf("%d Cannot store message in %s: error %d\n",
2170 /* Now delete the message from the source room,
2171 * if this is a 'move' rather than a 'copy' operation.
2173 if (is_copy == 0) CtdlDeleteMessages(CC->quickroom.QRname, num, NULL);
2175 cprintf("%d Message %s.\n", OK, (is_copy ? "copied" : "moved") );
2181 * GetSuppMsgInfo() - Get the supplementary record for a message
2183 void GetSuppMsgInfo(struct SuppMsgInfo *smibuf, long msgnum)
2186 struct cdbdata *cdbsmi;
2189 memset(smibuf, 0, sizeof(struct SuppMsgInfo));
2190 smibuf->smi_msgnum = msgnum;
2191 smibuf->smi_refcount = 1; /* Default reference count is 1 */
2193 /* Use the negative of the message number for its supp record index */
2194 TheIndex = (0L - msgnum);
2196 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2197 if (cdbsmi == NULL) {
2198 return; /* record not found; go with defaults */
2200 memcpy(smibuf, cdbsmi->ptr,
2201 ((cdbsmi->len > sizeof(struct SuppMsgInfo)) ?
2202 sizeof(struct SuppMsgInfo) : cdbsmi->len));
2209 * PutSuppMsgInfo() - (re)write supplementary record for a message
2211 void PutSuppMsgInfo(struct SuppMsgInfo *smibuf)
2215 /* Use the negative of the message number for its supp record index */
2216 TheIndex = (0L - smibuf->smi_msgnum);
2218 lprintf(9, "PuttSuppMsgInfo(%ld) - ref count is %d\n",
2219 smibuf->smi_msgnum, smibuf->smi_refcount);
2221 cdb_store(CDB_MSGMAIN,
2222 &TheIndex, sizeof(long),
2223 smibuf, sizeof(struct SuppMsgInfo));
2228 * AdjRefCount - change the reference count for a message;
2229 * delete the message if it reaches zero
2231 void AdjRefCount(long msgnum, int incr)
2234 struct SuppMsgInfo smi;
2237 /* This is a *tight* critical section; please keep it that way, as
2238 * it may get called while nested in other critical sections.
2239 * Complicating this any further will surely cause deadlock!
2241 begin_critical_section(S_SUPPMSGMAIN);
2242 GetSuppMsgInfo(&smi, msgnum);
2243 smi.smi_refcount += incr;
2244 PutSuppMsgInfo(&smi);
2245 end_critical_section(S_SUPPMSGMAIN);
2247 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2248 msgnum, smi.smi_refcount);
2250 /* If the reference count is now zero, delete the message
2251 * (and its supplementary record as well).
2253 if (smi.smi_refcount == 0) {
2254 lprintf(9, "Deleting message <%ld>\n", msgnum);
2256 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2257 delnum = (0L - msgnum);
2258 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2263 * Write a generic object to this room
2265 * Note: this could be much more efficient. Right now we use two temporary
2266 * files, and still pull the message into memory as with all others.
2268 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2269 char *content_type, /* MIME type of this object */
2270 char *tempfilename, /* Where to fetch it from */
2271 struct usersupp *is_mailbox, /* Mailbox room? */
2272 int is_binary, /* Is encoding necessary? */
2273 int is_unique, /* Del others of this type? */
2274 unsigned int flags /* Internal save flags */
2279 char filename[PATH_MAX];
2282 struct quickroom qrbuf;
2283 char roomname[ROOMNAMELEN];
2284 struct CtdlMessage *msg;
2287 if (is_mailbox != NULL)
2288 MailboxName(roomname, is_mailbox, req_room);
2290 safestrncpy(roomname, req_room, sizeof(roomname));
2291 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2293 strcpy(filename, tmpnam(NULL));
2294 fp = fopen(filename, "w");
2298 tempfp = fopen(tempfilename, "r");
2299 if (tempfp == NULL) {
2305 fprintf(fp, "Content-type: %s\n", content_type);
2306 lprintf(9, "Content-type: %s\n", content_type);
2308 if (is_binary == 0) {
2309 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2310 while (ch = getc(tempfp), ch > 0)
2316 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2319 sprintf(cmdbuf, "./base64 -e <%s >>%s",
2320 tempfilename, filename);
2324 lprintf(9, "Allocating\n");
2325 msg = mallok(sizeof(struct CtdlMessage));
2326 memset(msg, 0, sizeof(struct CtdlMessage));
2327 msg->cm_magic = CTDLMESSAGE_MAGIC;
2328 msg->cm_anon_type = MES_NORMAL;
2329 msg->cm_format_type = 4;
2330 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2331 msg->cm_fields['O'] = strdoop(req_room);
2332 msg->cm_fields['N'] = strdoop(config.c_nodename);
2333 msg->cm_fields['H'] = strdoop(config.c_humannode);
2334 msg->cm_flags = flags;
2336 lprintf(9, "Loading\n");
2337 fp = fopen(filename, "rb");
2338 fseek(fp, 0L, SEEK_END);
2341 msg->cm_fields['M'] = mallok(len);
2342 fread(msg->cm_fields['M'], len, 1, fp);
2346 /* Create the requested room if we have to. */
2347 if (getroom(&qrbuf, roomname) != 0) {
2348 create_room(roomname, 4, "", 0);
2350 /* If the caller specified this object as unique, delete all
2351 * other objects of this type that are currently in the room.
2354 lprintf(9, "Deleted %d other msgs of this type\n",
2355 CtdlDeleteMessages(roomname, 0L, content_type));
2357 /* Now write the data */
2358 CtdlSaveMsg(msg, "", roomname, MES_LOCAL, 1);
2359 CtdlFreeMessage(msg);