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 != 4) {
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 == 4)
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 == 4) { /* legacy textual 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 != 4))
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 == 1) {
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 == 0) {
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 == 4) {
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 void 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; /* 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 sprintf(aaa, "%ld", time(NULL));
1424 msg->cm_fields['T'] = strdoop(aaa);
1427 /* If this message has no path, we generate one.
1429 if (msg->cm_fields['P'] == NULL) {
1430 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1431 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1432 if (isspace(msg->cm_fields['P'][a])) {
1433 msg->cm_fields['P'][a] = ' ';
1438 strcpy(force_room, force);
1440 /* Strip non-printable characters out of the recipient name */
1441 strcpy(recipient, rec);
1442 for (a = 0; a < strlen(recipient); ++a)
1443 if (!isprint(recipient[a]))
1444 strcpy(&recipient[a], &recipient[a + 1]);
1446 /* Learn about what's inside, because it's what's inside that counts */
1448 switch (msg->cm_format_type) {
1450 strcpy(content_type, "text/x-citadel-variformat");
1453 strcpy(content_type, "text/plain");
1456 strcpy(content_type, "text/plain");
1457 /* advance past header fields */
1458 mptr = msg->cm_fields['M'];
1461 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1462 safestrncpy(content_type, mptr,
1463 sizeof(content_type));
1464 strcpy(content_type, &content_type[14]);
1465 for (a = 0; a < strlen(content_type); ++a)
1466 if ((content_type[a] == ';')
1467 || (content_type[a] == ' ')
1468 || (content_type[a] == 13)
1469 || (content_type[a] == 10))
1470 content_type[a] = 0;
1477 /* Goto the correct room */
1478 strcpy(hold_rm, CC->quickroom.QRname);
1479 strcpy(actual_rm, CC->quickroom.QRname);
1481 /* If the user is a twit, move to the twit room for posting */
1483 if (CC->usersupp.axlevel == 2) {
1484 strcpy(hold_rm, actual_rm);
1485 strcpy(actual_rm, config.c_twitroom);
1489 /* ...or if this message is destined for Aide> then go there. */
1490 if (strlen(force_room) > 0) {
1491 strcpy(actual_rm, force_room);
1494 if (strcasecmp(actual_rm, CC->quickroom.QRname))
1495 getroom(&CC->quickroom, actual_rm);
1497 /* Perform "before save" hooks (aborting if any return nonzero) */
1498 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return;
1500 /* If this message has an Extended ID, perform replication checks */
1501 if (ReplicationChecks(msg) > 0) return;
1503 /* Network mail - send a copy to the network program. */
1504 if ((strlen(recipient) > 0) && (mailtype != MES_LOCAL)) {
1505 sprintf(aaa, "./network/spoolin/netmail.%04lx.%04x.%04x",
1506 (long) getpid(), CC->cs_pid, ++seqnum);
1507 lprintf(9, "Saving a copy to %s\n", aaa);
1508 network_fp = fopen(aaa, "ab+");
1509 if (network_fp == NULL)
1510 lprintf(2, "ERROR: %s\n", strerror(errno));
1513 /* Save it to disk */
1514 newmsgid = send_message(msg, generate_id, network_fp);
1515 if (network_fp != NULL) {
1517 system("exec nohup ./netproc -i >/dev/null 2>&1 &");
1520 if (newmsgid <= 0L) return;
1522 /* Write a supplemental message info record. This doesn't have to
1523 * be a critical section because nobody else knows about this message
1526 memset(&smi, 0, sizeof(struct SuppMsgInfo));
1527 smi.smi_msgnum = newmsgid;
1528 smi.smi_refcount = 0;
1529 safestrncpy(smi.smi_content_type, content_type, 64);
1530 PutSuppMsgInfo(&smi);
1532 /* Now figure out where to store the pointers */
1535 /* If this is being done by the networker delivering a private
1536 * message, we want to BYPASS saving the sender's copy (because there
1537 * is no local sender; it would otherwise go to the Trashcan).
1539 if ((!CC->internal_pgm) || (strlen(recipient) == 0)) {
1540 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1543 /* Bump this user's messages posted counter. */
1544 lgetuser(&CC->usersupp, CC->curr_user);
1545 CC->usersupp.posted = CC->usersupp.posted + 1;
1546 lputuser(&CC->usersupp);
1548 /* If this is private, local mail, make a copy in the
1549 * recipient's mailbox and bump the reference count.
1551 if ((strlen(recipient) > 0) && (mailtype == MES_LOCAL)) {
1552 if (getuser(&userbuf, recipient) == 0) {
1553 MailboxName(actual_rm, &userbuf, MAILROOM);
1554 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1558 /* Perform "after save" hooks */
1559 PerformMessageHooks(msg, EVT_AFTERSAVE);
1562 if (strcasecmp(hold_rm, CC->quickroom.QRname))
1563 getroom(&CC->quickroom, hold_rm);
1569 * Convenience function for generating small administrative messages.
1571 void quickie_message(char *from, char *to, char *room, char *text)
1573 struct CtdlMessage *msg;
1575 msg = mallok(sizeof(struct CtdlMessage));
1576 memset(msg, 0, sizeof(struct CtdlMessage));
1577 msg->cm_magic = CTDLMESSAGE_MAGIC;
1578 msg->cm_anon_type = MES_NORMAL;
1579 msg->cm_format_type = 0;
1580 msg->cm_fields['A'] = strdoop(from);
1581 msg->cm_fields['O'] = strdoop(room);
1582 msg->cm_fields['N'] = strdoop(NODENAME);
1584 msg->cm_fields['R'] = strdoop(to);
1585 msg->cm_fields['M'] = strdoop(text);
1587 CtdlSaveMsg(msg, "", room, MES_LOCAL, 1);
1588 CtdlFreeMessage(msg);
1589 syslog(LOG_NOTICE, text);
1594 * Build a binary message to be saved on disk.
1597 struct CtdlMessage *make_message(
1598 struct usersupp *author, /* author's usersupp structure */
1599 char *recipient, /* NULL if it's not mail */
1600 char *room, /* room where it's going */
1601 int type, /* see MES_ types in header file */
1602 int net_type, /* see MES_ types in header file */
1603 int format_type, /* local or remote (see citadel.h) */
1604 char *fake_name) /* who we're masquerading as */
1610 size_t message_len = 0;
1611 size_t buffer_len = 0;
1613 struct CtdlMessage *msg;
1615 msg = mallok(sizeof(struct CtdlMessage));
1616 memset(msg, 0, sizeof(struct CtdlMessage));
1617 msg->cm_magic = CTDLMESSAGE_MAGIC;
1618 msg->cm_anon_type = type;
1619 msg->cm_format_type = format_type;
1621 /* Don't confuse the poor folks if it's not routed mail. */
1622 strcpy(dest_node, "");
1624 /* If net_type is MES_BINARY, split out the destination node. */
1625 if (net_type == MES_BINARY) {
1626 strcpy(dest_node, NODENAME);
1627 for (a = 0; a < strlen(recipient); ++a) {
1628 if (recipient[a] == '@') {
1630 strcpy(dest_node, &recipient[a + 1]);
1635 /* if net_type is MES_INTERNET, set the dest node to 'internet' */
1636 if (net_type == MES_INTERNET) {
1637 strcpy(dest_node, "internet");
1640 while (isspace(recipient[strlen(recipient) - 1]))
1641 recipient[strlen(recipient) - 1] = 0;
1643 sprintf(buf, "cit%ld", author->usernum); /* Path */
1644 msg->cm_fields['P'] = strdoop(buf);
1646 sprintf(buf, "%ld", time(NULL)); /* timestamp */
1647 msg->cm_fields['T'] = strdoop(buf);
1649 if (fake_name[0]) /* author */
1650 msg->cm_fields['A'] = strdoop(fake_name);
1652 msg->cm_fields['A'] = strdoop(author->fullname);
1654 if (CC->quickroom.QRflags & QR_MAILBOX) /* room */
1655 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
1657 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1659 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
1660 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
1662 if (recipient[0] != 0)
1663 msg->cm_fields['R'] = strdoop(recipient);
1664 if (dest_node[0] != 0)
1665 msg->cm_fields['D'] = strdoop(dest_node);
1667 msg->cm_fields['M'] = mallok(4096);
1668 if (msg->cm_fields['M'] == NULL) {
1669 while (client_gets(buf), strcmp(buf, "000")) ;; /* flush */
1673 msg->cm_fields['M'][0] = 0;
1677 /* read in the lines of message text one by one */
1679 while (client_gets(buf), strcmp(buf, "000")) {
1681 /* augment the buffer if we have to */
1682 if ((message_len + strlen(buf) + 2) > buffer_len) {
1683 lprintf(9, "realloking\n");
1684 ptr = reallok(msg->cm_fields['M'], (buffer_len * 2) );
1685 if (ptr == NULL) { /* flush if can't allocate */
1686 while (client_gets(buf), strcmp(buf, "000")) ;;
1689 buffer_len = (buffer_len * 2);
1690 msg->cm_fields['M'] = ptr;
1692 lprintf(9, "buffer_len is %d\n", buffer_len);
1696 if (append == NULL) append = msg->cm_fields['M'];
1697 while (strlen(append) > 0) ++append;
1698 strcpy(append, buf);
1699 strcat(append, "\n");
1700 message_len = message_len + strlen(buf) + 1;
1702 /* if we've hit the max msg length, flush the rest */
1703 if (message_len >= config.c_maxmsglen) {
1704 while (client_gets(buf), strcmp(buf, "000")) ;;
1717 * message entry - mode 0 (normal)
1719 void cmd_ent0(char *entargs)
1722 char recipient[256];
1724 int format_type = 0;
1725 char newusername[256];
1726 struct CtdlMessage *msg;
1730 struct usersupp tempUS;
1733 post = extract_int(entargs, 0);
1734 extract(recipient, entargs, 1);
1735 anon_flag = extract_int(entargs, 2);
1736 format_type = extract_int(entargs, 3);
1738 /* first check to make sure the request is valid. */
1740 if (!(CC->logged_in)) {
1741 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1744 if ((CC->usersupp.axlevel < 2) && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
1745 cprintf("%d Need to be validated to enter ",
1746 ERROR + HIGHER_ACCESS_REQUIRED);
1747 cprintf("(except in %s> to sysop)\n", MAILROOM);
1750 if ((CC->usersupp.axlevel < 4) && (CC->quickroom.QRflags & QR_NETWORK)) {
1751 cprintf("%d Need net privileges to enter here.\n",
1752 ERROR + HIGHER_ACCESS_REQUIRED);
1755 if ((CC->usersupp.axlevel < 6) && (CC->quickroom.QRflags & QR_READONLY)) {
1756 cprintf("%d Sorry, this is a read-only room.\n",
1757 ERROR + HIGHER_ACCESS_REQUIRED);
1764 if (CC->usersupp.axlevel < 6) {
1765 cprintf("%d You don't have permission to masquerade.\n",
1766 ERROR + HIGHER_ACCESS_REQUIRED);
1769 extract(newusername, entargs, 4);
1770 memset(CC->fake_postname, 0, 32);
1771 strcpy(CC->fake_postname, newusername);
1772 cprintf("%d Ok\n", OK);
1775 CC->cs_flags |= CS_POSTING;
1778 if (CC->quickroom.QRflags & QR_MAILBOX) {
1779 if (CC->usersupp.axlevel >= 2) {
1780 strcpy(buf, recipient);
1782 strcpy(buf, "sysop");
1783 e = alias(buf); /* alias and mail type */
1784 if ((buf[0] == 0) || (e == MES_ERROR)) {
1785 cprintf("%d Unknown address - cannot send message.\n",
1786 ERROR + NO_SUCH_USER);
1789 if ((e != MES_LOCAL) && (CC->usersupp.axlevel < 4)) {
1790 cprintf("%d Net privileges required for network mail.\n",
1791 ERROR + HIGHER_ACCESS_REQUIRED);
1794 if ((RESTRICT_INTERNET == 1) && (e == MES_INTERNET)
1795 && ((CC->usersupp.flags & US_INTERNET) == 0)
1796 && (!CC->internal_pgm)) {
1797 cprintf("%d You don't have access to Internet mail.\n",
1798 ERROR + HIGHER_ACCESS_REQUIRED);
1801 if (!strcasecmp(buf, "sysop")) {
1806 goto SKFALL; /* don't search local file */
1807 if (!strcasecmp(buf, CC->usersupp.fullname)) {
1808 cprintf("%d Can't send mail to yourself!\n",
1809 ERROR + NO_SUCH_USER);
1812 /* Check to make sure the user exists; also get the correct
1813 * upper/lower casing of the name.
1815 a = getuser(&tempUS, buf);
1817 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1820 strcpy(buf, tempUS.fullname);
1823 SKFALL: b = MES_NORMAL;
1824 if (CC->quickroom.QRflags & QR_ANONONLY)
1826 if (CC->quickroom.QRflags & QR_ANONOPT) {
1830 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
1833 /* If we're only checking the validity of the request, return
1834 * success without creating the message.
1837 cprintf("%d %s\n", OK, buf);
1841 cprintf("%d send message\n", SEND_LISTING);
1843 /* Read in the message from the client. */
1844 if (CC->fake_postname[0])
1845 msg = make_message(&CC->usersupp, buf,
1846 CC->quickroom.QRname, b, e, format_type,
1848 else if (CC->fake_username[0])
1849 msg = make_message(&CC->usersupp, buf,
1850 CC->quickroom.QRname, b, e, format_type,
1853 msg = make_message(&CC->usersupp, buf,
1854 CC->quickroom.QRname, b, e, format_type, "");
1857 CtdlSaveMsg(msg, buf, (mtsflag ? AIDEROOM : ""), e, 1);
1858 CtdlFreeMessage(msg);
1859 CC->fake_postname[0] = '\0';
1866 * message entry - mode 3 (raw)
1868 void cmd_ent3(char *entargs)
1874 unsigned char ch, which_field;
1875 struct usersupp tempUS;
1877 struct CtdlMessage *msg;
1880 if (CC->internal_pgm == 0) {
1881 cprintf("%d This command is for internal programs only.\n",
1886 /* See if there's a recipient, but make sure it's a real one */
1887 extract(recp, entargs, 1);
1888 for (a = 0; a < strlen(recp); ++a)
1889 if (!isprint(recp[a]))
1890 strcpy(&recp[a], &recp[a + 1]);
1891 while (isspace(recp[0]))
1892 strcpy(recp, &recp[1]);
1893 while (isspace(recp[strlen(recp) - 1]))
1894 recp[strlen(recp) - 1] = 0;
1896 /* If we're in Mail, check the recipient */
1897 if (strlen(recp) > 0) {
1898 e = alias(recp); /* alias and mail type */
1899 if ((recp[0] == 0) || (e == MES_ERROR)) {
1900 cprintf("%d Unknown address - cannot send message.\n",
1901 ERROR + NO_SUCH_USER);
1904 if (e == MES_LOCAL) {
1905 a = getuser(&tempUS, recp);
1907 cprintf("%d No such user.\n",
1908 ERROR + NO_SUCH_USER);
1914 /* At this point, message has been approved. */
1915 if (extract_int(entargs, 0) == 0) {
1916 cprintf("%d OK to send\n", OK);
1920 msglen = extract_long(entargs, 2);
1921 msg = mallok(sizeof(struct CtdlMessage));
1923 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
1927 memset(msg, 0, sizeof(struct CtdlMessage));
1928 tempbuf = mallok(msglen);
1929 if (tempbuf == NULL) {
1930 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
1935 cprintf("%d %ld\n", SEND_BINARY, msglen);
1937 client_read(&ch, 1); /* 0xFF magic number */
1938 msg->cm_magic = CTDLMESSAGE_MAGIC;
1939 client_read(&ch, 1); /* anon type */
1940 msg->cm_anon_type = ch;
1941 client_read(&ch, 1); /* format type */
1942 msg->cm_format_type = ch;
1943 msglen = msglen - 3;
1945 while (msglen > 0) {
1946 client_read(&which_field, 1);
1947 if (!isalpha(which_field)) valid_msg = 0;
1951 client_read(&ch, 1);
1953 a = strlen(tempbuf);
1956 } while ( (ch != 0) && (msglen > 0) );
1958 msg->cm_fields[which_field] = strdoop(tempbuf);
1961 msg->cm_flags = CM_SKIP_HOOKS;
1962 if (valid_msg) CtdlSaveMsg(msg, recp, "", e, 0);
1963 CtdlFreeMessage(msg);
1969 * API function to delete messages which match a set of criteria
1970 * (returns the actual number of messages deleted)
1972 int CtdlDeleteMessages(char *room_name, /* which room */
1973 long dmsgnum, /* or "0" for any */
1974 char *content_type /* or NULL for any */
1978 struct quickroom qrbuf;
1979 struct cdbdata *cdbfr;
1980 long *msglist = NULL;
1983 int num_deleted = 0;
1985 struct SuppMsgInfo smi;
1987 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
1988 room_name, dmsgnum, content_type);
1990 /* get room record, obtaining a lock... */
1991 if (lgetroom(&qrbuf, room_name) != 0) {
1992 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
1994 return (0); /* room not found */
1996 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
1998 if (cdbfr != NULL) {
1999 msglist = mallok(cdbfr->len);
2000 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2001 num_msgs = cdbfr->len / sizeof(long);
2005 for (i = 0; i < num_msgs; ++i) {
2008 /* Set/clear a bit for each criterion */
2010 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2011 delete_this |= 0x01;
2013 if (content_type == NULL) {
2014 delete_this |= 0x02;
2016 GetSuppMsgInfo(&smi, msglist[i]);
2017 if (!strcasecmp(smi.smi_content_type,
2019 delete_this |= 0x02;
2023 /* Delete message only if all bits are set */
2024 if (delete_this == 0x03) {
2025 AdjRefCount(msglist[i], -1);
2031 num_msgs = sort_msglist(msglist, num_msgs);
2032 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2033 msglist, (num_msgs * sizeof(long)));
2035 qrbuf.QRhighest = msglist[num_msgs - 1];
2039 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2040 return (num_deleted);
2046 * Delete message from current room
2048 void cmd_dele(char *delstr)
2053 getuser(&CC->usersupp, CC->curr_user);
2054 if ((CC->usersupp.axlevel < 6)
2055 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2056 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2057 && (!(CC->internal_pgm))) {
2058 cprintf("%d Higher access required.\n",
2059 ERROR + HIGHER_ACCESS_REQUIRED);
2062 delnum = extract_long(delstr, 0);
2064 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, NULL);
2067 cprintf("%d %d message%s deleted.\n", OK,
2068 num_deleted, ((num_deleted != 1) ? "s" : ""));
2070 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2076 * move or copy a message to another room
2078 void cmd_move(char *args)
2082 struct quickroom qtemp;
2086 num = extract_long(args, 0);
2087 extract(targ, args, 1);
2088 is_copy = extract_int(args, 2);
2090 getuser(&CC->usersupp, CC->curr_user);
2091 if ((CC->usersupp.axlevel < 6)
2092 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)) {
2093 cprintf("%d Higher access required.\n",
2094 ERROR + HIGHER_ACCESS_REQUIRED);
2098 if (getroom(&qtemp, targ) != 0) {
2099 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2103 err = CtdlSaveMsgPointerInRoom(targ, num,
2104 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2106 cprintf("%d Cannot store message in %s: error %d\n",
2111 /* Now delete the message from the source room,
2112 * if this is a 'move' rather than a 'copy' operation.
2114 if (is_copy == 0) CtdlDeleteMessages(CC->quickroom.QRname, num, NULL);
2116 cprintf("%d Message %s.\n", OK, (is_copy ? "copied" : "moved") );
2122 * GetSuppMsgInfo() - Get the supplementary record for a message
2124 void GetSuppMsgInfo(struct SuppMsgInfo *smibuf, long msgnum)
2127 struct cdbdata *cdbsmi;
2130 memset(smibuf, 0, sizeof(struct SuppMsgInfo));
2131 smibuf->smi_msgnum = msgnum;
2132 smibuf->smi_refcount = 1; /* Default reference count is 1 */
2134 /* Use the negative of the message number for its supp record index */
2135 TheIndex = (0L - msgnum);
2137 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2138 if (cdbsmi == NULL) {
2139 return; /* record not found; go with defaults */
2141 memcpy(smibuf, cdbsmi->ptr,
2142 ((cdbsmi->len > sizeof(struct SuppMsgInfo)) ?
2143 sizeof(struct SuppMsgInfo) : cdbsmi->len));
2150 * PutSuppMsgInfo() - (re)write supplementary record for a message
2152 void PutSuppMsgInfo(struct SuppMsgInfo *smibuf)
2156 /* Use the negative of the message number for its supp record index */
2157 TheIndex = (0L - smibuf->smi_msgnum);
2159 lprintf(9, "PuttSuppMsgInfo(%ld) - ref count is %d\n",
2160 smibuf->smi_msgnum, smibuf->smi_refcount);
2162 cdb_store(CDB_MSGMAIN,
2163 &TheIndex, sizeof(long),
2164 smibuf, sizeof(struct SuppMsgInfo));
2169 * AdjRefCount - change the reference count for a message;
2170 * delete the message if it reaches zero
2172 void AdjRefCount(long msgnum, int incr)
2175 struct SuppMsgInfo smi;
2178 /* This is a *tight* critical section; please keep it that way, as
2179 * it may get called while nested in other critical sections.
2180 * Complicating this any further will surely cause deadlock!
2182 begin_critical_section(S_SUPPMSGMAIN);
2183 GetSuppMsgInfo(&smi, msgnum);
2184 smi.smi_refcount += incr;
2185 PutSuppMsgInfo(&smi);
2186 end_critical_section(S_SUPPMSGMAIN);
2188 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2189 msgnum, smi.smi_refcount);
2191 /* If the reference count is now zero, delete the message
2192 * (and its supplementary record as well).
2194 if (smi.smi_refcount == 0) {
2195 lprintf(9, "Deleting message <%ld>\n", msgnum);
2197 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2198 delnum = (0L - msgnum);
2199 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2204 * Write a generic object to this room
2206 * Note: this could be much more efficient. Right now we use two temporary
2207 * files, and still pull the message into memory as with all others.
2209 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2210 char *content_type, /* MIME type of this object */
2211 char *tempfilename, /* Where to fetch it from */
2212 struct usersupp *is_mailbox, /* Mailbox room? */
2213 int is_binary, /* Is encoding necessary? */
2214 int is_unique, /* Del others of this type? */
2215 unsigned int flags /* Internal save flags */
2220 char filename[PATH_MAX];
2223 struct quickroom qrbuf;
2224 char roomname[ROOMNAMELEN];
2225 struct CtdlMessage *msg;
2228 if (is_mailbox != NULL)
2229 MailboxName(roomname, is_mailbox, req_room);
2231 safestrncpy(roomname, req_room, sizeof(roomname));
2232 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2234 strcpy(filename, tmpnam(NULL));
2235 fp = fopen(filename, "w");
2239 tempfp = fopen(tempfilename, "r");
2240 if (tempfp == NULL) {
2246 fprintf(fp, "Content-type: %s\n", content_type);
2247 lprintf(9, "Content-type: %s\n", content_type);
2249 if (is_binary == 0) {
2250 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2251 while (ch = getc(tempfp), ch > 0)
2257 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2260 sprintf(cmdbuf, "./base64 -e <%s >>%s",
2261 tempfilename, filename);
2265 lprintf(9, "Allocating\n");
2266 msg = mallok(sizeof(struct CtdlMessage));
2267 memset(msg, 0, sizeof(struct CtdlMessage));
2268 msg->cm_magic = CTDLMESSAGE_MAGIC;
2269 msg->cm_anon_type = MES_NORMAL;
2270 msg->cm_format_type = 4;
2271 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2272 msg->cm_fields['O'] = strdoop(req_room);
2273 msg->cm_fields['N'] = strdoop(config.c_nodename);
2274 msg->cm_fields['H'] = strdoop(config.c_humannode);
2275 msg->cm_flags = flags;
2277 lprintf(9, "Loading\n");
2278 fp = fopen(filename, "rb");
2279 fseek(fp, 0L, SEEK_END);
2282 msg->cm_fields['M'] = mallok(len);
2283 fread(msg->cm_fields['M'], len, 1, fp);
2287 /* Create the requested room if we have to. */
2288 if (getroom(&qrbuf, roomname) != 0) {
2289 create_room(roomname, 4, "", 0);
2291 /* If the caller specified this object as unique, delete all
2292 * other objects of this type that are currently in the room.
2295 lprintf(9, "Deleted %d other msgs of this type\n",
2296 CtdlDeleteMessages(roomname, 0L, content_type));
2298 /* Now write the data */
2299 CtdlSaveMsg(msg, "", roomname, MES_LOCAL, 1);
2300 CtdlFreeMessage(msg);