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);
1595 * Back end function used by make_message() and similar functions
1597 char *CtdlReadMessageBody(char *terminator, size_t maxlen) {
1599 size_t message_len = 0;
1600 size_t buffer_len = 0;
1606 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
1613 /* read in the lines of message text one by one */
1615 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
1617 /* augment the buffer if we have to */
1618 if ((message_len + strlen(buf) + 2) > buffer_len) {
1619 lprintf(9, "realloking\n");
1620 ptr = reallok(m, (buffer_len * 2) );
1621 if (ptr == NULL) { /* flush if can't allocate */
1622 while ( (client_gets(buf)>0) &&
1623 strcmp(buf, terminator)) ;;
1626 buffer_len = (buffer_len * 2);
1629 lprintf(9, "buffer_len is %d\n", buffer_len);
1633 if (append == NULL) append = m;
1634 while (strlen(append) > 0) ++append;
1635 strcpy(append, buf);
1636 strcat(append, "\n");
1637 message_len = message_len + strlen(buf) + 1;
1639 /* if we've hit the max msg length, flush the rest */
1640 if (message_len >= maxlen) {
1641 while ( (client_gets(buf)>0) && strcmp(buf, terminator)) ;;
1652 * Build a binary message to be saved on disk.
1655 struct CtdlMessage *make_message(
1656 struct usersupp *author, /* author's usersupp structure */
1657 char *recipient, /* NULL if it's not mail */
1658 char *room, /* room where it's going */
1659 int type, /* see MES_ types in header file */
1660 int net_type, /* see MES_ types in header file */
1661 int format_type, /* local or remote (see citadel.h) */
1662 char *fake_name) /* who we're masquerading as */
1668 struct CtdlMessage *msg;
1670 msg = mallok(sizeof(struct CtdlMessage));
1671 memset(msg, 0, sizeof(struct CtdlMessage));
1672 msg->cm_magic = CTDLMESSAGE_MAGIC;
1673 msg->cm_anon_type = type;
1674 msg->cm_format_type = format_type;
1676 /* Don't confuse the poor folks if it's not routed mail. */
1677 strcpy(dest_node, "");
1679 /* If net_type is MES_BINARY, split out the destination node. */
1680 if (net_type == MES_BINARY) {
1681 strcpy(dest_node, NODENAME);
1682 for (a = 0; a < strlen(recipient); ++a) {
1683 if (recipient[a] == '@') {
1685 strcpy(dest_node, &recipient[a + 1]);
1690 /* if net_type is MES_INTERNET, set the dest node to 'internet' */
1691 if (net_type == MES_INTERNET) {
1692 strcpy(dest_node, "internet");
1695 while (isspace(recipient[strlen(recipient) - 1]))
1696 recipient[strlen(recipient) - 1] = 0;
1698 sprintf(buf, "cit%ld", author->usernum); /* Path */
1699 msg->cm_fields['P'] = strdoop(buf);
1701 sprintf(buf, "%ld", time(NULL)); /* timestamp */
1702 msg->cm_fields['T'] = strdoop(buf);
1704 if (fake_name[0]) /* author */
1705 msg->cm_fields['A'] = strdoop(fake_name);
1707 msg->cm_fields['A'] = strdoop(author->fullname);
1709 if (CC->quickroom.QRflags & QR_MAILBOX) /* room */
1710 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
1712 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1714 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
1715 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
1717 if (recipient[0] != 0)
1718 msg->cm_fields['R'] = strdoop(recipient);
1719 if (dest_node[0] != 0)
1720 msg->cm_fields['D'] = strdoop(dest_node);
1723 msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen);
1734 * message entry - mode 0 (normal)
1736 void cmd_ent0(char *entargs)
1739 char recipient[256];
1741 int format_type = 0;
1742 char newusername[256];
1743 struct CtdlMessage *msg;
1747 struct usersupp tempUS;
1750 post = extract_int(entargs, 0);
1751 extract(recipient, entargs, 1);
1752 anon_flag = extract_int(entargs, 2);
1753 format_type = extract_int(entargs, 3);
1755 /* first check to make sure the request is valid. */
1757 if (!(CC->logged_in)) {
1758 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1761 if ((CC->usersupp.axlevel < 2) && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
1762 cprintf("%d Need to be validated to enter ",
1763 ERROR + HIGHER_ACCESS_REQUIRED);
1764 cprintf("(except in %s> to sysop)\n", MAILROOM);
1767 if ((CC->usersupp.axlevel < 4) && (CC->quickroom.QRflags & QR_NETWORK)) {
1768 cprintf("%d Need net privileges to enter here.\n",
1769 ERROR + HIGHER_ACCESS_REQUIRED);
1772 if ((CC->usersupp.axlevel < 6) && (CC->quickroom.QRflags & QR_READONLY)) {
1773 cprintf("%d Sorry, this is a read-only room.\n",
1774 ERROR + HIGHER_ACCESS_REQUIRED);
1781 if (CC->usersupp.axlevel < 6) {
1782 cprintf("%d You don't have permission to masquerade.\n",
1783 ERROR + HIGHER_ACCESS_REQUIRED);
1786 extract(newusername, entargs, 4);
1787 memset(CC->fake_postname, 0, 32);
1788 strcpy(CC->fake_postname, newusername);
1789 cprintf("%d Ok\n", OK);
1792 CC->cs_flags |= CS_POSTING;
1795 if (CC->quickroom.QRflags & QR_MAILBOX) {
1796 if (CC->usersupp.axlevel >= 2) {
1797 strcpy(buf, recipient);
1799 strcpy(buf, "sysop");
1800 e = alias(buf); /* alias and mail type */
1801 if ((buf[0] == 0) || (e == MES_ERROR)) {
1802 cprintf("%d Unknown address - cannot send message.\n",
1803 ERROR + NO_SUCH_USER);
1806 if ((e != MES_LOCAL) && (CC->usersupp.axlevel < 4)) {
1807 cprintf("%d Net privileges required for network mail.\n",
1808 ERROR + HIGHER_ACCESS_REQUIRED);
1811 if ((RESTRICT_INTERNET == 1) && (e == MES_INTERNET)
1812 && ((CC->usersupp.flags & US_INTERNET) == 0)
1813 && (!CC->internal_pgm)) {
1814 cprintf("%d You don't have access to Internet mail.\n",
1815 ERROR + HIGHER_ACCESS_REQUIRED);
1818 if (!strcasecmp(buf, "sysop")) {
1823 goto SKFALL; /* don't search local file */
1824 if (!strcasecmp(buf, CC->usersupp.fullname)) {
1825 cprintf("%d Can't send mail to yourself!\n",
1826 ERROR + NO_SUCH_USER);
1829 /* Check to make sure the user exists; also get the correct
1830 * upper/lower casing of the name.
1832 a = getuser(&tempUS, buf);
1834 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1837 strcpy(buf, tempUS.fullname);
1840 SKFALL: b = MES_NORMAL;
1841 if (CC->quickroom.QRflags & QR_ANONONLY)
1843 if (CC->quickroom.QRflags & QR_ANONOPT) {
1847 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
1850 /* If we're only checking the validity of the request, return
1851 * success without creating the message.
1854 cprintf("%d %s\n", OK, buf);
1858 cprintf("%d send message\n", SEND_LISTING);
1860 /* Read in the message from the client. */
1861 if (CC->fake_postname[0])
1862 msg = make_message(&CC->usersupp, buf,
1863 CC->quickroom.QRname, b, e, format_type,
1865 else if (CC->fake_username[0])
1866 msg = make_message(&CC->usersupp, buf,
1867 CC->quickroom.QRname, b, e, format_type,
1870 msg = make_message(&CC->usersupp, buf,
1871 CC->quickroom.QRname, b, e, format_type, "");
1874 CtdlSaveMsg(msg, buf, (mtsflag ? AIDEROOM : ""), e, 1);
1875 CtdlFreeMessage(msg);
1876 CC->fake_postname[0] = '\0';
1883 * message entry - mode 3 (raw)
1885 void cmd_ent3(char *entargs)
1891 unsigned char ch, which_field;
1892 struct usersupp tempUS;
1894 struct CtdlMessage *msg;
1897 if (CC->internal_pgm == 0) {
1898 cprintf("%d This command is for internal programs only.\n",
1903 /* See if there's a recipient, but make sure it's a real one */
1904 extract(recp, entargs, 1);
1905 for (a = 0; a < strlen(recp); ++a)
1906 if (!isprint(recp[a]))
1907 strcpy(&recp[a], &recp[a + 1]);
1908 while (isspace(recp[0]))
1909 strcpy(recp, &recp[1]);
1910 while (isspace(recp[strlen(recp) - 1]))
1911 recp[strlen(recp) - 1] = 0;
1913 /* If we're in Mail, check the recipient */
1914 if (strlen(recp) > 0) {
1915 e = alias(recp); /* alias and mail type */
1916 if ((recp[0] == 0) || (e == MES_ERROR)) {
1917 cprintf("%d Unknown address - cannot send message.\n",
1918 ERROR + NO_SUCH_USER);
1921 if (e == MES_LOCAL) {
1922 a = getuser(&tempUS, recp);
1924 cprintf("%d No such user.\n",
1925 ERROR + NO_SUCH_USER);
1931 /* At this point, message has been approved. */
1932 if (extract_int(entargs, 0) == 0) {
1933 cprintf("%d OK to send\n", OK);
1937 msglen = extract_long(entargs, 2);
1938 msg = mallok(sizeof(struct CtdlMessage));
1940 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
1944 memset(msg, 0, sizeof(struct CtdlMessage));
1945 tempbuf = mallok(msglen);
1946 if (tempbuf == NULL) {
1947 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
1952 cprintf("%d %ld\n", SEND_BINARY, msglen);
1954 client_read(&ch, 1); /* 0xFF magic number */
1955 msg->cm_magic = CTDLMESSAGE_MAGIC;
1956 client_read(&ch, 1); /* anon type */
1957 msg->cm_anon_type = ch;
1958 client_read(&ch, 1); /* format type */
1959 msg->cm_format_type = ch;
1960 msglen = msglen - 3;
1962 while (msglen > 0) {
1963 client_read(&which_field, 1);
1964 if (!isalpha(which_field)) valid_msg = 0;
1968 client_read(&ch, 1);
1970 a = strlen(tempbuf);
1973 } while ( (ch != 0) && (msglen > 0) );
1975 msg->cm_fields[which_field] = strdoop(tempbuf);
1978 msg->cm_flags = CM_SKIP_HOOKS;
1979 if (valid_msg) CtdlSaveMsg(msg, recp, "", e, 0);
1980 CtdlFreeMessage(msg);
1986 * API function to delete messages which match a set of criteria
1987 * (returns the actual number of messages deleted)
1989 int CtdlDeleteMessages(char *room_name, /* which room */
1990 long dmsgnum, /* or "0" for any */
1991 char *content_type /* or NULL for any */
1995 struct quickroom qrbuf;
1996 struct cdbdata *cdbfr;
1997 long *msglist = NULL;
2000 int num_deleted = 0;
2002 struct SuppMsgInfo smi;
2004 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2005 room_name, dmsgnum, content_type);
2007 /* get room record, obtaining a lock... */
2008 if (lgetroom(&qrbuf, room_name) != 0) {
2009 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2011 return (0); /* room not found */
2013 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2015 if (cdbfr != NULL) {
2016 msglist = mallok(cdbfr->len);
2017 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2018 num_msgs = cdbfr->len / sizeof(long);
2022 for (i = 0; i < num_msgs; ++i) {
2025 /* Set/clear a bit for each criterion */
2027 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2028 delete_this |= 0x01;
2030 if (content_type == NULL) {
2031 delete_this |= 0x02;
2033 GetSuppMsgInfo(&smi, msglist[i]);
2034 if (!strcasecmp(smi.smi_content_type,
2036 delete_this |= 0x02;
2040 /* Delete message only if all bits are set */
2041 if (delete_this == 0x03) {
2042 AdjRefCount(msglist[i], -1);
2048 num_msgs = sort_msglist(msglist, num_msgs);
2049 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2050 msglist, (num_msgs * sizeof(long)));
2052 qrbuf.QRhighest = msglist[num_msgs - 1];
2056 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2057 return (num_deleted);
2063 * Delete message from current room
2065 void cmd_dele(char *delstr)
2070 getuser(&CC->usersupp, CC->curr_user);
2071 if ((CC->usersupp.axlevel < 6)
2072 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2073 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2074 && (!(CC->internal_pgm))) {
2075 cprintf("%d Higher access required.\n",
2076 ERROR + HIGHER_ACCESS_REQUIRED);
2079 delnum = extract_long(delstr, 0);
2081 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, NULL);
2084 cprintf("%d %d message%s deleted.\n", OK,
2085 num_deleted, ((num_deleted != 1) ? "s" : ""));
2087 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2093 * move or copy a message to another room
2095 void cmd_move(char *args)
2099 struct quickroom qtemp;
2103 num = extract_long(args, 0);
2104 extract(targ, args, 1);
2105 targ[ROOMNAMELEN - 1] = 0;
2106 is_copy = extract_int(args, 2);
2108 getuser(&CC->usersupp, CC->curr_user);
2109 if ((CC->usersupp.axlevel < 6)
2110 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)) {
2111 cprintf("%d Higher access required.\n",
2112 ERROR + HIGHER_ACCESS_REQUIRED);
2116 if (getroom(&qtemp, targ) != 0) {
2117 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2121 err = CtdlSaveMsgPointerInRoom(targ, num,
2122 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2124 cprintf("%d Cannot store message in %s: error %d\n",
2129 /* Now delete the message from the source room,
2130 * if this is a 'move' rather than a 'copy' operation.
2132 if (is_copy == 0) CtdlDeleteMessages(CC->quickroom.QRname, num, NULL);
2134 cprintf("%d Message %s.\n", OK, (is_copy ? "copied" : "moved") );
2140 * GetSuppMsgInfo() - Get the supplementary record for a message
2142 void GetSuppMsgInfo(struct SuppMsgInfo *smibuf, long msgnum)
2145 struct cdbdata *cdbsmi;
2148 memset(smibuf, 0, sizeof(struct SuppMsgInfo));
2149 smibuf->smi_msgnum = msgnum;
2150 smibuf->smi_refcount = 1; /* Default reference count is 1 */
2152 /* Use the negative of the message number for its supp record index */
2153 TheIndex = (0L - msgnum);
2155 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2156 if (cdbsmi == NULL) {
2157 return; /* record not found; go with defaults */
2159 memcpy(smibuf, cdbsmi->ptr,
2160 ((cdbsmi->len > sizeof(struct SuppMsgInfo)) ?
2161 sizeof(struct SuppMsgInfo) : cdbsmi->len));
2168 * PutSuppMsgInfo() - (re)write supplementary record for a message
2170 void PutSuppMsgInfo(struct SuppMsgInfo *smibuf)
2174 /* Use the negative of the message number for its supp record index */
2175 TheIndex = (0L - smibuf->smi_msgnum);
2177 lprintf(9, "PuttSuppMsgInfo(%ld) - ref count is %d\n",
2178 smibuf->smi_msgnum, smibuf->smi_refcount);
2180 cdb_store(CDB_MSGMAIN,
2181 &TheIndex, sizeof(long),
2182 smibuf, sizeof(struct SuppMsgInfo));
2187 * AdjRefCount - change the reference count for a message;
2188 * delete the message if it reaches zero
2190 void AdjRefCount(long msgnum, int incr)
2193 struct SuppMsgInfo smi;
2196 /* This is a *tight* critical section; please keep it that way, as
2197 * it may get called while nested in other critical sections.
2198 * Complicating this any further will surely cause deadlock!
2200 begin_critical_section(S_SUPPMSGMAIN);
2201 GetSuppMsgInfo(&smi, msgnum);
2202 smi.smi_refcount += incr;
2203 PutSuppMsgInfo(&smi);
2204 end_critical_section(S_SUPPMSGMAIN);
2206 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2207 msgnum, smi.smi_refcount);
2209 /* If the reference count is now zero, delete the message
2210 * (and its supplementary record as well).
2212 if (smi.smi_refcount == 0) {
2213 lprintf(9, "Deleting message <%ld>\n", msgnum);
2215 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2216 delnum = (0L - msgnum);
2217 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2222 * Write a generic object to this room
2224 * Note: this could be much more efficient. Right now we use two temporary
2225 * files, and still pull the message into memory as with all others.
2227 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2228 char *content_type, /* MIME type of this object */
2229 char *tempfilename, /* Where to fetch it from */
2230 struct usersupp *is_mailbox, /* Mailbox room? */
2231 int is_binary, /* Is encoding necessary? */
2232 int is_unique, /* Del others of this type? */
2233 unsigned int flags /* Internal save flags */
2238 char filename[PATH_MAX];
2241 struct quickroom qrbuf;
2242 char roomname[ROOMNAMELEN];
2243 struct CtdlMessage *msg;
2246 if (is_mailbox != NULL)
2247 MailboxName(roomname, is_mailbox, req_room);
2249 safestrncpy(roomname, req_room, sizeof(roomname));
2250 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2252 strcpy(filename, tmpnam(NULL));
2253 fp = fopen(filename, "w");
2257 tempfp = fopen(tempfilename, "r");
2258 if (tempfp == NULL) {
2264 fprintf(fp, "Content-type: %s\n", content_type);
2265 lprintf(9, "Content-type: %s\n", content_type);
2267 if (is_binary == 0) {
2268 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2269 while (ch = getc(tempfp), ch > 0)
2275 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2278 sprintf(cmdbuf, "./base64 -e <%s >>%s",
2279 tempfilename, filename);
2283 lprintf(9, "Allocating\n");
2284 msg = mallok(sizeof(struct CtdlMessage));
2285 memset(msg, 0, sizeof(struct CtdlMessage));
2286 msg->cm_magic = CTDLMESSAGE_MAGIC;
2287 msg->cm_anon_type = MES_NORMAL;
2288 msg->cm_format_type = 4;
2289 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2290 msg->cm_fields['O'] = strdoop(req_room);
2291 msg->cm_fields['N'] = strdoop(config.c_nodename);
2292 msg->cm_fields['H'] = strdoop(config.c_humannode);
2293 msg->cm_flags = flags;
2295 lprintf(9, "Loading\n");
2296 fp = fopen(filename, "rb");
2297 fseek(fp, 0L, SEEK_END);
2300 msg->cm_fields['M'] = mallok(len);
2301 fread(msg->cm_fields['M'], len, 1, fp);
2305 /* Create the requested room if we have to. */
2306 if (getroom(&qrbuf, roomname) != 0) {
2307 create_room(roomname, 4, "", 0);
2309 /* If the caller specified this object as unique, delete all
2310 * other objects of this type that are currently in the room.
2313 lprintf(9, "Deleted %d other msgs of this type\n",
2314 CtdlDeleteMessages(roomname, 0L, content_type));
2316 /* Now write the data */
2317 CtdlSaveMsg(msg, "", roomname, MES_LOCAL, 1);
2318 CtdlFreeMessage(msg);