20 #include "sysdep_decls.h"
21 #include "citserver.h"
26 #include "dynloader.h"
28 #include "mime_parser.h"
31 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
32 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
33 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
35 extern struct config config;
39 "", "", "", "", "", "", "", "",
40 "", "", "", "", "", "", "", "",
41 "", "", "", "", "", "", "", "",
42 "", "", "", "", "", "", "", "",
43 "", "", "", "", "", "", "", "",
44 "", "", "", "", "", "", "", "",
45 "", "", "", "", "", "", "", "",
46 "", "", "", "", "", "", "", "",
72 * This function is self explanatory.
73 * (What can I say, I'm in a weird mood today...)
75 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
79 for (i = 0; i < strlen(name); ++i)
82 if (isspace(name[i - 1])) {
83 strcpy(&name[i - 1], &name[i]);
86 while (isspace(name[i + 1])) {
87 strcpy(&name[i + 1], &name[i + 2]);
94 * Aliasing for network mail.
95 * (Error messages have been commented out, because this is a server.)
98 { /* process alias and routing info for mail */
101 char aaa[300], bbb[300];
103 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
105 fp = fopen("network/mail.aliases", "r");
107 fp = fopen("/dev/null", "r");
112 while (fgets(aaa, sizeof aaa, fp) != NULL) {
113 while (isspace(name[0]))
114 strcpy(name, &name[1]);
115 aaa[strlen(aaa) - 1] = 0;
117 for (a = 0; a < strlen(aaa); ++a) {
119 strcpy(bbb, &aaa[a + 1]);
123 if (!strcasecmp(name, aaa))
127 lprintf(7, "Mail is being forwarded to %s\n", name);
129 /* determine local or remote type, see citadel.h */
130 for (a = 0; a < strlen(name); ++a)
132 return (MES_INTERNET);
133 for (a = 0; a < strlen(name); ++a)
135 for (b = a; b < strlen(name); ++b)
137 return (MES_INTERNET);
139 for (a = 0; a < strlen(name); ++a)
143 lprintf(7, "Too many @'s in address\n");
147 for (a = 0; a < strlen(name); ++a)
149 strcpy(bbb, &name[a + 1]);
151 strcpy(bbb, &bbb[1]);
152 fp = fopen("network/mail.sysinfo", "r");
156 a = getstring(fp, aaa);
157 } while ((a >= 0) && (strcasecmp(aaa, bbb)));
158 a = getstring(fp, aaa);
159 if (!strncmp(aaa, "use ", 4)) {
160 strcpy(bbb, &aaa[4]);
165 if (!strncmp(aaa, "uum", 3)) {
167 for (a = 0; a < strlen(bbb); ++a) {
173 while (bbb[strlen(bbb) - 1] == '_')
174 bbb[strlen(bbb) - 1] = 0;
175 sprintf(name, &aaa[4], bbb);
176 return (MES_INTERNET);
178 if (!strncmp(aaa, "bin", 3)) {
181 while (aaa[strlen(aaa) - 1] != '@')
182 aaa[strlen(aaa) - 1] = 0;
183 aaa[strlen(aaa) - 1] = 0;
184 while (aaa[strlen(aaa) - 1] == ' ')
185 aaa[strlen(aaa) - 1] = 0;
186 while (bbb[0] != '@')
187 strcpy(bbb, &bbb[1]);
188 strcpy(bbb, &bbb[1]);
189 while (bbb[0] == ' ')
190 strcpy(bbb, &bbb[1]);
191 sprintf(name, "%s @%s", aaa, bbb);
204 fp = fopen("citadel.control", "r");
205 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
211 void simple_listing(long msgnum)
213 cprintf("%ld\n", msgnum);
218 /* Determine if a given message matches the fields in a message template.
219 * Return 0 for a successful match.
221 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
224 /* If there aren't any fields in the template, all messages will
227 if (template == NULL) return(0);
229 /* Null messages are bogus. */
230 if (msg == NULL) return(1);
232 for (i='A'; i<='Z'; ++i) {
233 if (template->cm_fields[i] != NULL) {
234 if (msg->cm_fields[i] == NULL) {
237 if (strcasecmp(msg->cm_fields[i],
238 template->cm_fields[i])) return 1;
242 /* All compares succeeded: we have a match! */
250 * API function to perform an operation for each qualifying message in the
253 void CtdlForEachMessage(int mode, long ref,
255 struct CtdlMessage *compare,
256 void (*CallBack) (long msgnum))
261 struct cdbdata *cdbfr;
262 long *msglist = NULL;
265 struct SuppMsgInfo smi;
266 struct CtdlMessage *msg;
268 /* Learn about the user and room in question */
270 getuser(&CC->usersupp, CC->curr_user);
271 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
273 /* Load the message list */
274 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
276 msglist = mallok(cdbfr->len);
277 memcpy(msglist, cdbfr->ptr, cdbfr->len);
278 num_msgs = cdbfr->len / sizeof(long);
281 return; /* No messages at all? No further action. */
285 /* If the caller is looking for a specific MIME type, then filter
286 * out all messages which are not of the type requested.
289 if (content_type != NULL)
290 if (strlen(content_type) > 0)
291 for (a = 0; a < num_msgs; ++a) {
292 GetSuppMsgInfo(&smi, msglist[a]);
293 if (strcasecmp(smi.smi_content_type, content_type)) {
298 num_msgs = sort_msglist(msglist, num_msgs);
300 /* If a template was supplied, filter out the messages which
301 * don't match. (This could induce some delays!)
304 if (compare != NULL) {
305 for (a = 0; a < num_msgs; ++a) {
306 msg = CtdlFetchMessage(msglist[a]);
308 if (CtdlMsgCmp(msg, compare)) {
311 CtdlFreeMessage(msg);
319 * Now iterate through the message list, according to the
320 * criteria supplied by the caller.
323 for (a = 0; a < num_msgs; ++a) {
324 thismsg = msglist[a];
329 || ((mode == MSGS_OLD) && (thismsg <= vbuf.v_lastseen))
330 || ((mode == MSGS_NEW) && (thismsg > vbuf.v_lastseen))
331 || ((mode == MSGS_NEW) && (thismsg >= vbuf.v_lastseen)
332 && (CC->usersupp.flags & US_LASTOLD))
333 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
334 || ((mode == MSGS_FIRST) && (a < ref))
335 || ((mode == MSGS_GT) && (thismsg > ref))
341 phree(msglist); /* Clean up */
347 * cmd_msgs() - get list of message #'s in this room
348 * implements the MSGS server command using CtdlForEachMessage()
350 void cmd_msgs(char *cmdbuf)
359 int with_template = 0;
360 struct CtdlMessage *template = NULL;
362 extract(which, cmdbuf, 0);
363 cm_ref = extract_int(cmdbuf, 1);
364 with_template = extract_int(cmdbuf, 2);
368 if (!strncasecmp(which, "OLD", 3))
370 else if (!strncasecmp(which, "NEW", 3))
372 else if (!strncasecmp(which, "FIRST", 5))
374 else if (!strncasecmp(which, "LAST", 4))
376 else if (!strncasecmp(which, "GT", 2))
379 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
380 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
385 cprintf("%d Send template then receive message list\n",
387 template = (struct CtdlMessage *)
388 mallok(sizeof(struct CtdlMessage));
389 memset(template, 0, sizeof(struct CtdlMessage));
390 while(client_gets(buf), strcmp(buf,"000")) {
391 extract(tfield, buf, 0);
392 extract(tvalue, buf, 1);
393 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
394 if (!strcasecmp(tfield, msgkeys[i])) {
395 template->cm_fields[i] =
402 cprintf("%d Message list...\n", LISTING_FOLLOWS);
405 CtdlForEachMessage(mode, cm_ref, NULL, template, simple_listing);
406 if (template != NULL) CtdlFreeMessage(template);
414 * help_subst() - support routine for help file viewer
416 void help_subst(char *strbuf, char *source, char *dest)
421 while (p = pattern2(strbuf, source), (p >= 0)) {
422 strcpy(workbuf, &strbuf[p + strlen(source)]);
423 strcpy(&strbuf[p], dest);
424 strcat(strbuf, workbuf);
429 void do_help_subst(char *buffer)
433 help_subst(buffer, "^nodename", config.c_nodename);
434 help_subst(buffer, "^humannode", config.c_humannode);
435 help_subst(buffer, "^fqdn", config.c_fqdn);
436 help_subst(buffer, "^username", CC->usersupp.fullname);
437 sprintf(buf2, "%ld", CC->usersupp.usernum);
438 help_subst(buffer, "^usernum", buf2);
439 help_subst(buffer, "^sysadm", config.c_sysadm);
440 help_subst(buffer, "^variantname", CITADEL);
441 sprintf(buf2, "%d", config.c_maxsessions);
442 help_subst(buffer, "^maxsessions", buf2);
448 * memfmout() - Citadel text formatter and paginator.
449 * Although the original purpose of this routine was to format
450 * text to the reader's screen width, all we're really using it
451 * for here is to format text out to 80 columns before sending it
452 * to the client. The client software may reformat it again.
455 int width, /* screen width to use */
456 char *mptr, /* where are we going to get our text from? */
457 char subst) /* nonzero if we should do substitutions */
469 c = 1; /* c is the current pos */
472 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
474 buffer[strlen(buffer) + 1] = 0;
475 buffer[strlen(buffer)] = ch;
478 if (buffer[0] == '^')
479 do_help_subst(buffer);
481 buffer[strlen(buffer) + 1] = 0;
483 strcpy(buffer, &buffer[1]);
493 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
495 if (((old == 13) || (old == 10)) && (isspace(real))) {
503 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
504 cprintf("\n%s", aaa);
513 if ((strlen(aaa) + c) > (width - 5)) {
523 if ((ch == 13) || (ch == 10)) {
524 cprintf("%s\n", aaa);
531 FMTEND: cprintf("%s\n", aaa);
537 * Callback function for mime parser that simply lists the part
539 void list_this_part(char *name, char *filename, char *partnum, char *disp,
540 void *content, char *cbtype, size_t length)
543 cprintf("part=%s|%s|%s|%s|%s|%d\n",
544 name, filename, partnum, disp, cbtype, length);
549 * Callback function for mime parser that opens a section for downloading
551 void mime_download(char *name, char *filename, char *partnum, char *disp,
552 void *content, char *cbtype, size_t length)
555 /* Silently go away if there's already a download open... */
556 if (CC->download_fp != NULL)
559 /* ...or if this is not the desired section */
560 if (strcasecmp(desired_section, partnum))
563 CC->download_fp = tmpfile();
564 if (CC->download_fp == NULL)
567 fwrite(content, length, 1, CC->download_fp);
568 fflush(CC->download_fp);
569 rewind(CC->download_fp);
571 OpenCmdResult(filename, cbtype);
577 * Load a message from disk into memory.
578 * This is used by CtdlOutputMsg() and other fetch functions.
580 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
581 * using the CtdlMessageFree() function.
583 struct CtdlMessage *CtdlFetchMessage(long msgnum)
585 struct cdbdata *dmsgtext;
586 struct CtdlMessage *ret = NULL;
589 CIT_UBYTE field_header;
592 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
593 if (dmsgtext == NULL) {
596 mptr = dmsgtext->ptr;
598 /* Parse the three bytes that begin EVERY message on disk.
599 * The first is always 0xFF, the on-disk magic number.
600 * The second is the anonymous/public type byte.
601 * The third is the format type byte (vari, fixed, or MIME).
605 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
609 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
610 memset(ret, 0, sizeof(struct CtdlMessage));
612 ret->cm_magic = CTDLMESSAGE_MAGIC;
613 ret->cm_anon_type = *mptr++; /* Anon type byte */
614 ret->cm_format_type = *mptr++; /* Format type byte */
617 * The rest is zero or more arbitrary fields. Load them in.
618 * We're done when we encounter either a zero-length field or
619 * have just processed the 'M' (message text) field.
622 field_length = strlen(mptr);
623 if (field_length == 0)
625 field_header = *mptr++;
626 ret->cm_fields[field_header] = mallok(field_length);
627 strcpy(ret->cm_fields[field_header], mptr);
629 while (*mptr++ != 0); /* advance to next field */
631 } while ((field_length > 0) && (field_header != 'M'));
635 /* Always make sure there's something in the msg text field */
636 if (ret->cm_fields['M'] == NULL)
637 ret->cm_fields['M'] = strdoop("<no text>\n");
639 /* Perform "before read" hooks (aborting if any return nonzero) */
640 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
641 CtdlFreeMessage(ret);
650 * Returns 1 if the supplied pointer points to a valid Citadel message.
651 * If the pointer is NULL or the magic number check fails, returns 0.
653 int is_valid_message(struct CtdlMessage *msg) {
656 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
657 lprintf(3, "is_valid_message() -- self-check failed\n");
665 * 'Destructor' for struct CtdlMessage
667 void CtdlFreeMessage(struct CtdlMessage *msg)
671 if (is_valid_message(msg) == 0) return;
673 for (i = 0; i < 256; ++i)
674 if (msg->cm_fields[i] != NULL)
675 phree(msg->cm_fields[i]);
677 msg->cm_magic = 0; /* just in case */
683 * Get a message off disk. (return value is the message's timestamp)
686 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
687 int mode, /* how would you like that message? */
688 int headers_only, /* eschew the message body? */
689 int do_proto, /* do Citadel protocol responses? */
692 int crlf /* Use CRLF newlines instead of LF? */
699 char display_name[256];
700 struct CtdlMessage *TheMessage;
702 char *nl; /* newline string */
704 /* buffers needed for RFC822 translation */
713 /* BEGIN NESTED FUNCTION omprintf() */
714 void omprintf(const char *format, ...) {
718 va_start(arg_ptr, format);
719 if (vsnprintf(buf, sizeof buf, format, arg_ptr) == -1)
720 buf[sizeof buf - 2] = '\n';
722 fwrite(buf, strlen(buf), 1, outfp);
724 else if (outsock >= 0) {
725 write(outsock, buf, strlen(buf));
728 client_write(buf, strlen(buf));
732 /* END NESTED FUNCTION omprintf() */
734 /* BEGIN NESTED FUNCTION omfmout() */
735 void omfmout(char *mptr) {
746 c = 1; /* c is the current pos */
754 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
756 if (((old == 13) || (old == 10)) && (isspace(real))) {
764 if (((strlen(aaa) + c) > (75)) && (strlen(aaa) > (75))) {
765 omprintf("%s%s", nl, aaa);
774 if ((strlen(aaa) + c) > (75)) {
778 omprintf("%s ", aaa);
784 if ((ch == 13) || (ch == 10)) {
785 omprintf("%s%s", aaa, nl);
792 FMTEND: omprintf("%s%s", aaa, nl);
794 /* END NESTED FUNCTION omfmout() */
796 /* BEGIN NESTED FUNCTION fixed_output() */
798 * Callback function for mime parser that wants to display text
800 void fixed_output(char *name, char *filename, char *partnum, char *disp,
801 void *content, char *cbtype, size_t length)
807 if (!strcasecmp(cbtype, "multipart/alternative")) {
808 strcpy(ma->prefix, partnum);
809 strcat(ma->prefix, ".");
815 if ( (!strncasecmp(partnum, ma->prefix, strlen(ma->prefix)))
817 && (ma->did_print == 1) ) {
818 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
824 if (!strcasecmp(cbtype, "text/plain")) {
829 if (ch==10) omprintf("%s", nl);
830 else omprintf("%c", ch);
833 else if (!strcasecmp(cbtype, "text/html")) {
834 ptr = html_to_ascii(content, 80, 0);
839 if (ch==10) omprintf("%s", nl);
840 else omprintf("%c", ch);
844 else if (strncasecmp(cbtype, "multipart/", 10)) {
845 omprintf("Part %s: %s (%s) (%d bytes)%s",
846 partnum, filename, cbtype, length, nl);
850 /* END NESTED FUNCTION fixed_output() */
854 sprintf(mid, "%ld", msg_num);
855 nl = (crlf ? "\r\n" : "\n");
857 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
858 if (do_proto) cprintf("%d Not logged in.\n",
859 ERROR + NOT_LOGGED_IN);
860 return(om_not_logged_in);
863 /* FIX ... small security issue
864 * We need to check to make sure the requested message is actually
865 * in the current room, and set msg_ok to 1 only if it is. This
866 * functionality is currently missing because I'm in a hurry to replace
867 * broken production code with nonbroken pre-beta code. :( -- ajc
870 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
872 return(om_no_such_msg);
877 * Fetch the message from disk
879 TheMessage = CtdlFetchMessage(msg_num);
880 if (TheMessage == NULL) {
881 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
883 return(om_no_such_msg);
886 /* Are we downloading a MIME component? */
887 if (mode == MT_DOWNLOAD) {
888 if (TheMessage->cm_format_type != FMT_RFC822) {
890 cprintf("%d This is not a MIME message.\n",
892 } else if (CC->download_fp != NULL) {
893 if (do_proto) cprintf(
894 "%d You already have a download open.\n",
897 /* Parse the message text component */
898 mptr = TheMessage->cm_fields['M'];
899 mime_parser(mptr, NULL, *mime_download);
900 /* If there's no file open by this time, the requested
901 * section wasn't found, so print an error
903 if (CC->download_fp == NULL) {
904 if (do_proto) cprintf(
905 "%d Section %s not found.\n",
906 ERROR + FILE_NOT_FOUND,
910 CtdlFreeMessage(TheMessage);
911 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
914 /* now for the user-mode message reading loops */
915 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
917 /* Tell the client which format type we're using. If this is a
918 * MIME message, *lie* about it and tell the user it's fixed-format.
920 if (mode == MT_CITADEL) {
921 if (TheMessage->cm_format_type == FMT_RFC822) {
922 if (do_proto) cprintf("type=1\n");
925 if (do_proto) cprintf("type=%d\n",
926 TheMessage->cm_format_type);
930 /* nhdr=yes means that we're only displaying headers, no body */
931 if ((TheMessage->cm_anon_type == MES_ANON) && (mode == MT_CITADEL)) {
932 if (do_proto) cprintf("nhdr=yes\n");
935 /* begin header processing loop for Citadel message format */
937 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
939 strcpy(display_name, "<unknown>");
940 if (TheMessage->cm_fields['A']) {
941 strcpy(buf, TheMessage->cm_fields['A']);
942 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
943 if (TheMessage->cm_anon_type == MES_ANON)
944 strcpy(display_name, "****");
945 else if (TheMessage->cm_anon_type == MES_AN2)
946 strcpy(display_name, "anonymous");
948 strcpy(display_name, buf);
950 && ((TheMessage->cm_anon_type == MES_ANON)
951 || (TheMessage->cm_anon_type == MES_AN2))) {
952 sprintf(&display_name[strlen(display_name)],
957 strcpy(allkeys, FORDER);
958 for (i=0; i<strlen(allkeys); ++i) {
959 k = (int) allkeys[i];
961 if (TheMessage->cm_fields[k] != NULL) {
963 if (do_proto) cprintf("%s=%s\n",
968 if (do_proto) cprintf("%s=%s\n",
970 TheMessage->cm_fields[k]
979 /* begin header processing loop for RFC822 transfer format */
983 strcpy(snode, NODENAME);
984 strcpy(lnode, HUMANNODE);
985 if (mode == MT_RFC822) {
986 for (i = 0; i < 256; ++i) {
987 if (TheMessage->cm_fields[i]) {
988 mptr = TheMessage->cm_fields[i];
992 } else if (i == 'P') {
993 omprintf("Path: %s%s", mptr, nl);
994 for (a = 0; a < strlen(mptr); ++a) {
995 if (mptr[a] == '!') {
996 strcpy(mptr, &mptr[a + 1]);
1000 strcpy(suser, mptr);
1001 } else if (i == 'U')
1002 omprintf("Subject: %s%s", mptr, nl);
1006 strcpy(lnode, mptr);
1008 omprintf("X-Citadel-Room: %s%s",
1011 strcpy(snode, mptr);
1013 omprintf("To: %s%s", mptr, nl);
1014 else if (i == 'T') {
1016 omprintf("Date: %s", asctime(localtime(&xtime)));
1022 if (mode == MT_RFC822) {
1023 if (!strcasecmp(snode, NODENAME)) {
1024 strcpy(snode, FQDN);
1026 omprintf("Message-ID: <%s@%s>%s", mid, snode, nl);
1027 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1028 omprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1029 omprintf("Organization: %s%s", lnode, nl);
1032 /* end header processing loop ... at this point, we're in the text */
1034 mptr = TheMessage->cm_fields['M'];
1036 /* Tell the client about the MIME parts in this message */
1037 if (TheMessage->cm_format_type == FMT_RFC822) { /* legacy text dump */
1038 if (mode == MT_CITADEL) {
1039 mime_parser(mptr, NULL, *list_this_part);
1041 else if (mode == MT_MIME) { /* list parts only */
1042 mime_parser(mptr, NULL, *list_this_part);
1043 if (do_proto) cprintf("000\n");
1044 CtdlFreeMessage(TheMessage);
1050 if (do_proto) cprintf("000\n");
1051 CtdlFreeMessage(TheMessage);
1055 /* signify start of msg text */
1056 if (mode == MT_CITADEL)
1057 if (do_proto) cprintf("text\n");
1058 /* if ((mode == MT_RFC822) && (TheMessage->cm_format_type != FMT_RFC822)) { */
1059 if (mode == MT_RFC822) {
1063 /* If the format type on disk is 1 (fixed-format), then we want
1064 * everything to be output completely literally ... regardless of
1065 * what message transfer format is in use.
1067 if (TheMessage->cm_format_type == FMT_FIXED) {
1069 while (ch = *mptr++, ch > 0) {
1072 if ((ch == 10) || (strlen(buf) > 250)) {
1073 omprintf("%s%s", buf, nl);
1076 buf[strlen(buf) + 1] = 0;
1077 buf[strlen(buf)] = ch;
1080 if (strlen(buf) > 0)
1081 omprintf("%s%s", buf, nl);
1084 /* If the message on disk is format 0 (Citadel vari-format), we
1085 * output using the formatter at 80 columns. This is the final output
1086 * form if the transfer format is RFC822, but if the transfer format
1087 * is Citadel proprietary, it'll still work, because the indentation
1088 * for new paragraphs is correct and the client will reformat the
1089 * message to the reader's screen width.
1091 if (TheMessage->cm_format_type == FMT_CITADEL) {
1095 /* If the message on disk is format 4 (MIME), we've gotta hand it
1096 * off to the MIME parser. The client has already been told that
1097 * this message is format 1 (fixed format), so the callback function
1098 * we use will display those parts as-is.
1100 if (TheMessage->cm_format_type == FMT_RFC822) {
1101 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1102 memset(ma, 0, sizeof(struct ma_info));
1103 mime_parser(mptr, NULL, *fixed_output);
1106 /* now we're done */
1107 if (do_proto) cprintf("000\n");
1108 CtdlFreeMessage(TheMessage);
1115 * display a message (mode 0 - Citadel proprietary)
1117 void cmd_msg0(char *cmdbuf)
1120 int headers_only = 0;
1122 msgid = extract_long(cmdbuf, 0);
1123 headers_only = extract_int(cmdbuf, 1);
1125 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, NULL, -1, 0);
1131 * display a message (mode 2 - RFC822)
1133 void cmd_msg2(char *cmdbuf)
1136 int headers_only = 0;
1138 msgid = extract_long(cmdbuf, 0);
1139 headers_only = extract_int(cmdbuf, 1);
1141 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, NULL, -1, 1);
1147 * display a message (mode 3 - IGnet raw format - internal programs only)
1149 void cmd_msg3(char *cmdbuf)
1152 struct CtdlMessage *msg;
1155 if (CC->internal_pgm == 0) {
1156 cprintf("%d This command is for internal programs only.\n",
1161 msgnum = extract_long(cmdbuf, 0);
1162 msg = CtdlFetchMessage(msgnum);
1164 cprintf("%d Message %ld not found.\n",
1169 serialize_message(&smr, msg);
1170 CtdlFreeMessage(msg);
1173 cprintf("%d Unable to serialize message\n",
1174 ERROR+INTERNAL_ERROR);
1178 cprintf("%d %ld\n", BINARY_FOLLOWS, smr.len);
1179 client_write(smr.ser, smr.len);
1186 * display a message (mode 4 - MIME) (FIX ... still evolving, not complete)
1188 void cmd_msg4(char *cmdbuf)
1192 msgid = extract_long(cmdbuf, 0);
1193 CtdlOutputMsg(msgid, MT_MIME, 0, 1, NULL, -1, 0);
1197 * Open a component of a MIME message as a download file
1199 void cmd_opna(char *cmdbuf)
1203 CtdlAllocUserData(SYM_DESIRED_SECTION, 64);
1205 msgid = extract_long(cmdbuf, 0);
1206 extract(desired_section, cmdbuf, 1);
1208 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, NULL, -1, 1);
1213 * Save a message pointer into a specified room
1214 * (Returns 0 for success, nonzero for failure)
1215 * roomname may be NULL to use the current room
1217 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1219 char hold_rm[ROOMNAMELEN];
1220 struct cdbdata *cdbfr;
1223 long highest_msg = 0L;
1224 struct CtdlMessage *msg = NULL;
1226 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1227 roomname, msgid, flags);
1229 strcpy(hold_rm, CC->quickroom.QRname);
1231 /* We may need to check to see if this message is real */
1232 if ( (flags & SM_VERIFY_GOODNESS)
1233 || (flags & SM_DO_REPL_CHECK)
1235 msg = CtdlFetchMessage(msgid);
1236 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1239 /* Perform replication checks if necessary */
1240 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1242 if (getroom(&CC->quickroom,
1243 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1245 lprintf(9, "No such room <%s>\n", roomname);
1246 if (msg != NULL) CtdlFreeMessage(msg);
1247 return(ERROR + ROOM_NOT_FOUND);
1250 if (ReplicationChecks(msg) != 0) {
1251 getroom(&CC->quickroom, hold_rm);
1252 if (msg != NULL) CtdlFreeMessage(msg);
1253 lprintf(9, "Did replication, and newer exists\n");
1258 /* Now the regular stuff */
1259 if (lgetroom(&CC->quickroom,
1260 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1262 lprintf(9, "No such room <%s>\n", roomname);
1263 if (msg != NULL) CtdlFreeMessage(msg);
1264 return(ERROR + ROOM_NOT_FOUND);
1267 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1268 if (cdbfr == NULL) {
1272 msglist = mallok(cdbfr->len);
1273 if (msglist == NULL)
1274 lprintf(3, "ERROR malloc msglist!\n");
1275 num_msgs = cdbfr->len / sizeof(long);
1276 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1281 /* Make sure the message doesn't already exist in this room. It
1282 * is absolutely taboo to have more than one reference to the same
1283 * message in a room.
1285 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1286 if (msglist[i] == msgid) {
1287 lputroom(&CC->quickroom); /* unlock the room */
1288 getroom(&CC->quickroom, hold_rm);
1289 if (msg != NULL) CtdlFreeMessage(msg);
1290 return(ERROR + ALREADY_EXISTS);
1294 /* Now add the new message */
1296 msglist = reallok(msglist,
1297 (num_msgs * sizeof(long)));
1299 if (msglist == NULL) {
1300 lprintf(3, "ERROR: can't realloc message list!\n");
1302 msglist[num_msgs - 1] = msgid;
1304 /* Sort the message list, so all the msgid's are in order */
1305 num_msgs = sort_msglist(msglist, num_msgs);
1307 /* Determine the highest message number */
1308 highest_msg = msglist[num_msgs - 1];
1310 /* Write it back to disk. */
1311 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1312 msglist, num_msgs * sizeof(long));
1314 /* Free up the memory we used. */
1317 /* Update the highest-message pointer and unlock the room. */
1318 CC->quickroom.QRhighest = highest_msg;
1319 lputroom(&CC->quickroom);
1320 getroom(&CC->quickroom, hold_rm);
1322 /* Bump the reference count for this message. */
1323 AdjRefCount(msgid, +1);
1325 /* Return success. */
1326 if (msg != NULL) CtdlFreeMessage(msg);
1333 * Message base operation to send a message to the master file
1334 * (returns new message number)
1336 * This is the back end for CtdlSaveMsg() and should not be directly
1337 * called by server-side modules.
1340 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1341 int generate_id, /* generate 'I' field? */
1342 FILE *save_a_copy) /* save a copy to disk? */
1349 /* Get a new message number */
1350 newmsgid = get_new_message_number();
1351 sprintf(msgidbuf, "%ld", newmsgid);
1354 msg->cm_fields['I'] = strdoop(msgidbuf);
1357 serialize_message(&smr, msg);
1360 cprintf("%d Unable to serialize message\n",
1361 ERROR+INTERNAL_ERROR);
1365 /* Write our little bundle of joy into the message base */
1366 begin_critical_section(S_MSGMAIN);
1367 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1368 smr.ser, smr.len) < 0) {
1369 lprintf(2, "Can't store message\n");
1374 end_critical_section(S_MSGMAIN);
1376 /* If the caller specified that a copy should be saved to a particular
1377 * file handle, do that now too.
1379 if (save_a_copy != NULL) {
1380 fwrite(smr.ser, smr.len, 1, save_a_copy);
1383 /* Free the memory we used for the serialized message */
1386 /* Return the *local* message ID to the caller
1387 * (even if we're storing an incoming network message)
1395 * Serialize a struct CtdlMessage into the format used on disk and network.
1397 * This function loads up a "struct ser_ret" (defined in server.h) which
1398 * contains the length of the serialized message and a pointer to the
1399 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1401 void serialize_message(struct ser_ret *ret, /* return values */
1402 struct CtdlMessage *msg) /* unserialized msg */
1406 static char *forder = FORDER;
1408 if (is_valid_message(msg) == 0) return; /* self check */
1411 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1412 ret->len = ret->len +
1413 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1415 lprintf(9, "calling malloc\n");
1416 ret->ser = mallok(ret->len);
1417 if (ret->ser == NULL) {
1423 ret->ser[1] = msg->cm_anon_type;
1424 ret->ser[2] = msg->cm_format_type;
1427 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1428 ret->ser[wlen++] = (char)forder[i];
1429 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1430 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1432 if (ret->len != wlen) lprintf(3, "ERROR: len=%d wlen=%d\n",
1441 * Back end for the ReplicationChecks() function
1443 void check_repl(long msgnum) {
1444 struct CtdlMessage *msg;
1445 time_t timestamp = (-1L);
1447 lprintf(9, "check_repl() found message %ld\n", msgnum);
1448 msg = CtdlFetchMessage(msgnum);
1449 if (msg == NULL) return;
1450 if (msg->cm_fields['T'] != NULL) {
1451 timestamp = atol(msg->cm_fields['T']);
1453 CtdlFreeMessage(msg);
1455 if (timestamp > msg_repl->highest) {
1456 msg_repl->highest = timestamp; /* newer! */
1457 lprintf(9, "newer!\n");
1460 lprintf(9, "older!\n");
1462 /* Existing isn't newer? Then delete the old one(s). */
1463 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, NULL);
1468 * Check to see if any messages already exist which carry the same Extended ID
1472 * -> With older timestamps: delete them and return 0. Message will be saved.
1473 * -> With newer timestamps: return 1. Message save will be aborted.
1475 int ReplicationChecks(struct CtdlMessage *msg) {
1476 struct CtdlMessage *template;
1479 lprintf(9, "ReplicationChecks() started\n");
1480 /* No extended id? Don't do anything. */
1481 if (msg->cm_fields['E'] == NULL) return 0;
1482 if (strlen(msg->cm_fields['E']) == 0) return 0;
1483 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1485 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1486 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1487 msg_repl->highest = atol(msg->cm_fields['T']);
1489 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1490 memset(template, 0, sizeof(struct CtdlMessage));
1491 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1493 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl);
1495 /* If a newer message exists with the same Extended ID, abort
1498 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1502 CtdlFreeMessage(template);
1503 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1511 * Save a message to disk
1513 long CtdlSaveMsg(struct CtdlMessage *msg, /* message to save */
1514 char *rec, /* Recipient (mail) */
1515 char *force, /* force a particular room? */
1516 int mailtype, /* local or remote type */
1517 int generate_id) /* 1 = generate 'I' field */
1520 char hold_rm[ROOMNAMELEN];
1521 char actual_rm[ROOMNAMELEN];
1522 char force_room[ROOMNAMELEN];
1523 char content_type[256]; /* We have to learn this */
1524 char recipient[256];
1527 struct usersupp userbuf;
1529 struct SuppMsgInfo smi;
1530 FILE *network_fp = NULL;
1531 static int seqnum = 1;
1533 lprintf(9, "CtdlSaveMsg() called\n");
1534 if (is_valid_message(msg) == 0) return(-1); /* self check */
1536 /* If this message has no timestamp, we take the liberty of
1537 * giving it one, right now.
1539 if (msg->cm_fields['T'] == NULL) {
1540 lprintf(9, "Generating timestamp\n");
1541 sprintf(aaa, "%ld", time(NULL));
1542 msg->cm_fields['T'] = strdoop(aaa);
1545 /* If this message has no path, we generate one.
1547 if (msg->cm_fields['P'] == NULL) {
1548 lprintf(9, "Generating path\n");
1549 if (msg->cm_fields['A'] != NULL) {
1550 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1551 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1552 if (isspace(msg->cm_fields['P'][a])) {
1553 msg->cm_fields['P'][a] = ' ';
1558 msg->cm_fields['P'] = strdoop("unknown");
1562 strcpy(force_room, force);
1564 /* Strip non-printable characters out of the recipient name */
1565 strcpy(recipient, rec);
1566 for (a = 0; a < strlen(recipient); ++a)
1567 if (!isprint(recipient[a]))
1568 strcpy(&recipient[a], &recipient[a + 1]);
1570 /* Learn about what's inside, because it's what's inside that counts */
1571 lprintf(9, "Learning what's inside\n");
1572 if (msg->cm_fields['M'] == NULL) {
1573 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1576 switch (msg->cm_format_type) {
1578 strcpy(content_type, "text/x-citadel-variformat");
1581 strcpy(content_type, "text/plain");
1584 strcpy(content_type, "text/plain");
1585 /* advance past header fields */
1586 mptr = msg->cm_fields['M'];
1589 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1590 safestrncpy(content_type, mptr,
1591 sizeof(content_type));
1592 strcpy(content_type, &content_type[14]);
1593 for (a = 0; a < strlen(content_type); ++a)
1594 if ((content_type[a] == ';')
1595 || (content_type[a] == ' ')
1596 || (content_type[a] == 13)
1597 || (content_type[a] == 10))
1598 content_type[a] = 0;
1605 /* Goto the correct room */
1606 lprintf(9, "Switching rooms\n");
1607 strcpy(hold_rm, CC->quickroom.QRname);
1608 strcpy(actual_rm, CC->quickroom.QRname);
1610 /* If the user is a twit, move to the twit room for posting */
1611 lprintf(9, "Handling twit stuff\n");
1613 if (CC->usersupp.axlevel == 2) {
1614 strcpy(hold_rm, actual_rm);
1615 strcpy(actual_rm, config.c_twitroom);
1619 /* ...or if this message is destined for Aide> then go there. */
1620 if (strlen(force_room) > 0) {
1621 strcpy(actual_rm, force_room);
1624 lprintf(9, "Possibly relocating\n");
1625 if (strcasecmp(actual_rm, CC->quickroom.QRname))
1626 getroom(&CC->quickroom, actual_rm);
1628 /* Perform "before save" hooks (aborting if any return nonzero) */
1629 lprintf(9, "Performing before-save hooks\n");
1630 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1632 /* If this message has an Extended ID, perform replication checks */
1633 lprintf(9, "Performing replication checks\n");
1634 if (ReplicationChecks(msg) > 0) return(-1);
1636 /* Network mail - send a copy to the network program. */
1637 if ((strlen(recipient) > 0) && (mailtype == MES_BINARY)) {
1638 lprintf(9, "Sending network spool\n");
1639 sprintf(aaa, "./network/spoolin/netmail.%04lx.%04x.%04x",
1640 (long) getpid(), CC->cs_pid, ++seqnum);
1641 lprintf(9, "Saving a copy to %s\n", aaa);
1642 network_fp = fopen(aaa, "ab+");
1643 if (network_fp == NULL)
1644 lprintf(2, "ERROR: %s\n", strerror(errno));
1647 /* Save it to disk */
1648 lprintf(9, "Saving to disk\n");
1649 newmsgid = send_message(msg, generate_id, network_fp);
1650 if (network_fp != NULL) {
1652 system("exec nohup ./netproc -i >/dev/null 2>&1 &");
1655 if (newmsgid <= 0L) return(-1);
1657 /* Write a supplemental message info record. This doesn't have to
1658 * be a critical section because nobody else knows about this message
1661 lprintf(9, "Creating SuppMsgInfo record\n");
1662 memset(&smi, 0, sizeof(struct SuppMsgInfo));
1663 smi.smi_msgnum = newmsgid;
1664 smi.smi_refcount = 0;
1665 safestrncpy(smi.smi_content_type, content_type, 64);
1666 PutSuppMsgInfo(&smi);
1668 /* Now figure out where to store the pointers */
1669 lprintf(9, "Storing pointers\n");
1672 /* If this is being done by the networker delivering a private
1673 * message, we want to BYPASS saving the sender's copy (because there
1674 * is no local sender; it would otherwise go to the Trashcan).
1676 if ((!CC->internal_pgm) || (strlen(recipient) == 0)) {
1677 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1680 /* For internet mail, drop a copy in the outbound queue room */
1681 /* FIX ... nothing's going to get delivered until we add
1682 some delivery instructions!!! */
1683 if (mailtype == MES_INTERNET) {
1684 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
1687 /* Bump this user's messages posted counter. */
1688 lprintf(9, "Updating user\n");
1689 lgetuser(&CC->usersupp, CC->curr_user);
1690 CC->usersupp.posted = CC->usersupp.posted + 1;
1691 lputuser(&CC->usersupp);
1693 /* If this is private, local mail, make a copy in the
1694 * recipient's mailbox and bump the reference count.
1696 if ((strlen(recipient) > 0) && (mailtype == MES_LOCAL)) {
1697 if (getuser(&userbuf, recipient) == 0) {
1698 lprintf(9, "Delivering private mail\n");
1699 MailboxName(actual_rm, &userbuf, MAILROOM);
1700 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1704 /* Perform "after save" hooks */
1705 lprintf(9, "Performing after-save hooks\n");
1706 PerformMessageHooks(msg, EVT_AFTERSAVE);
1709 lprintf(9, "Returning to original room\n");
1710 if (strcasecmp(hold_rm, CC->quickroom.QRname))
1711 getroom(&CC->quickroom, hold_rm);
1719 * Convenience function for generating small administrative messages.
1721 void quickie_message(char *from, char *to, char *room, char *text)
1723 struct CtdlMessage *msg;
1725 msg = mallok(sizeof(struct CtdlMessage));
1726 memset(msg, 0, sizeof(struct CtdlMessage));
1727 msg->cm_magic = CTDLMESSAGE_MAGIC;
1728 msg->cm_anon_type = MES_NORMAL;
1729 msg->cm_format_type = 0;
1730 msg->cm_fields['A'] = strdoop(from);
1731 msg->cm_fields['O'] = strdoop(room);
1732 msg->cm_fields['N'] = strdoop(NODENAME);
1734 msg->cm_fields['R'] = strdoop(to);
1735 msg->cm_fields['M'] = strdoop(text);
1737 CtdlSaveMsg(msg, "", room, MES_LOCAL, 1);
1738 CtdlFreeMessage(msg);
1739 syslog(LOG_NOTICE, text);
1745 * Back end function used by make_message() and similar functions
1747 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
1748 size_t maxlen, /* maximum message length */
1749 char *exist /* if non-null, append to it;
1750 exist is ALWAYS freed */
1753 size_t message_len = 0;
1754 size_t buffer_len = 0;
1758 if (exist == NULL) {
1762 m = reallok(exist, strlen(exist) + 4096);
1763 if (m == NULL) phree(exist);
1766 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
1773 /* read in the lines of message text one by one */
1775 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
1777 /* augment the buffer if we have to */
1778 if ((message_len + strlen(buf) + 2) > buffer_len) {
1779 lprintf(9, "realloking\n");
1780 ptr = reallok(m, (buffer_len * 2) );
1781 if (ptr == NULL) { /* flush if can't allocate */
1782 while ( (client_gets(buf)>0) &&
1783 strcmp(buf, terminator)) ;;
1786 buffer_len = (buffer_len * 2);
1789 lprintf(9, "buffer_len is %d\n", buffer_len);
1793 if (append == NULL) append = m;
1794 while (strlen(append) > 0) ++append;
1795 strcpy(append, buf);
1796 strcat(append, "\n");
1797 message_len = message_len + strlen(buf) + 1;
1799 /* if we've hit the max msg length, flush the rest */
1800 if (message_len >= maxlen) {
1801 while ( (client_gets(buf)>0) && strcmp(buf, terminator)) ;;
1812 * Build a binary message to be saved on disk.
1815 struct CtdlMessage *make_message(
1816 struct usersupp *author, /* author's usersupp structure */
1817 char *recipient, /* NULL if it's not mail */
1818 char *room, /* room where it's going */
1819 int type, /* see MES_ types in header file */
1820 int net_type, /* see MES_ types in header file */
1821 int format_type, /* local or remote (see citadel.h) */
1822 char *fake_name) /* who we're masquerading as */
1828 struct CtdlMessage *msg;
1830 msg = mallok(sizeof(struct CtdlMessage));
1831 memset(msg, 0, sizeof(struct CtdlMessage));
1832 msg->cm_magic = CTDLMESSAGE_MAGIC;
1833 msg->cm_anon_type = type;
1834 msg->cm_format_type = format_type;
1836 /* Don't confuse the poor folks if it's not routed mail. */
1837 strcpy(dest_node, "");
1839 /* If net_type is MES_BINARY, split out the destination node. */
1840 if (net_type == MES_BINARY) {
1841 strcpy(dest_node, NODENAME);
1842 for (a = 0; a < strlen(recipient); ++a) {
1843 if (recipient[a] == '@') {
1845 strcpy(dest_node, &recipient[a + 1]);
1850 /* if net_type is MES_INTERNET, set the dest node to 'internet' */
1851 if (net_type == MES_INTERNET) {
1852 strcpy(dest_node, "internet");
1855 while (isspace(recipient[strlen(recipient) - 1]))
1856 recipient[strlen(recipient) - 1] = 0;
1858 sprintf(buf, "cit%ld", author->usernum); /* Path */
1859 msg->cm_fields['P'] = strdoop(buf);
1861 sprintf(buf, "%ld", time(NULL)); /* timestamp */
1862 msg->cm_fields['T'] = strdoop(buf);
1864 if (fake_name[0]) /* author */
1865 msg->cm_fields['A'] = strdoop(fake_name);
1867 msg->cm_fields['A'] = strdoop(author->fullname);
1869 if (CC->quickroom.QRflags & QR_MAILBOX) /* room */
1870 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
1872 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1874 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
1875 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
1877 if (recipient[0] != 0)
1878 msg->cm_fields['R'] = strdoop(recipient);
1879 if (dest_node[0] != 0)
1880 msg->cm_fields['D'] = strdoop(dest_node);
1883 msg->cm_fields['M'] = CtdlReadMessageBody("000",
1884 config.c_maxmsglen, NULL);
1895 * message entry - mode 0 (normal)
1897 void cmd_ent0(char *entargs)
1900 char recipient[256];
1902 int format_type = 0;
1903 char newusername[256];
1904 struct CtdlMessage *msg;
1908 struct usersupp tempUS;
1911 post = extract_int(entargs, 0);
1912 extract(recipient, entargs, 1);
1913 anon_flag = extract_int(entargs, 2);
1914 format_type = extract_int(entargs, 3);
1916 /* first check to make sure the request is valid. */
1918 if (!(CC->logged_in)) {
1919 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1922 if ((CC->usersupp.axlevel < 2) && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
1923 cprintf("%d Need to be validated to enter ",
1924 ERROR + HIGHER_ACCESS_REQUIRED);
1925 cprintf("(except in %s> to sysop)\n", MAILROOM);
1928 if ((CC->usersupp.axlevel < 4) && (CC->quickroom.QRflags & QR_NETWORK)) {
1929 cprintf("%d Need net privileges to enter here.\n",
1930 ERROR + HIGHER_ACCESS_REQUIRED);
1933 if ((CC->usersupp.axlevel < 6) && (CC->quickroom.QRflags & QR_READONLY)) {
1934 cprintf("%d Sorry, this is a read-only room.\n",
1935 ERROR + HIGHER_ACCESS_REQUIRED);
1942 if (CC->usersupp.axlevel < 6) {
1943 cprintf("%d You don't have permission to masquerade.\n",
1944 ERROR + HIGHER_ACCESS_REQUIRED);
1947 extract(newusername, entargs, 4);
1948 memset(CC->fake_postname, 0, 32);
1949 strcpy(CC->fake_postname, newusername);
1950 cprintf("%d Ok\n", OK);
1953 CC->cs_flags |= CS_POSTING;
1956 if (CC->quickroom.QRflags & QR_MAILBOX) {
1957 if (CC->usersupp.axlevel >= 2) {
1958 strcpy(buf, recipient);
1960 strcpy(buf, "sysop");
1961 e = alias(buf); /* alias and mail type */
1962 if ((buf[0] == 0) || (e == MES_ERROR)) {
1963 cprintf("%d Unknown address - cannot send message.\n",
1964 ERROR + NO_SUCH_USER);
1967 if ((e != MES_LOCAL) && (CC->usersupp.axlevel < 4)) {
1968 cprintf("%d Net privileges required for network mail.\n",
1969 ERROR + HIGHER_ACCESS_REQUIRED);
1972 if ((RESTRICT_INTERNET == 1) && (e == MES_INTERNET)
1973 && ((CC->usersupp.flags & US_INTERNET) == 0)
1974 && (!CC->internal_pgm)) {
1975 cprintf("%d You don't have access to Internet mail.\n",
1976 ERROR + HIGHER_ACCESS_REQUIRED);
1979 if (!strcasecmp(buf, "sysop")) {
1984 goto SKFALL; /* don't search local file */
1985 if (!strcasecmp(buf, CC->usersupp.fullname)) {
1986 cprintf("%d Can't send mail to yourself!\n",
1987 ERROR + NO_SUCH_USER);
1990 /* Check to make sure the user exists; also get the correct
1991 * upper/lower casing of the name.
1993 a = getuser(&tempUS, buf);
1995 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1998 strcpy(buf, tempUS.fullname);
2001 SKFALL: b = MES_NORMAL;
2002 if (CC->quickroom.QRflags & QR_ANONONLY)
2004 if (CC->quickroom.QRflags & QR_ANONOPT) {
2008 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2011 /* If we're only checking the validity of the request, return
2012 * success without creating the message.
2015 cprintf("%d %s\n", OK, buf);
2019 cprintf("%d send message\n", SEND_LISTING);
2021 /* Read in the message from the client. */
2022 if (CC->fake_postname[0])
2023 msg = make_message(&CC->usersupp, buf,
2024 CC->quickroom.QRname, b, e, format_type,
2026 else if (CC->fake_username[0])
2027 msg = make_message(&CC->usersupp, buf,
2028 CC->quickroom.QRname, b, e, format_type,
2031 msg = make_message(&CC->usersupp, buf,
2032 CC->quickroom.QRname, b, e, format_type, "");
2035 CtdlSaveMsg(msg, buf, (mtsflag ? AIDEROOM : ""), e, 1);
2036 CtdlFreeMessage(msg);
2037 CC->fake_postname[0] = '\0';
2044 * message entry - mode 3 (raw)
2046 void cmd_ent3(char *entargs)
2052 unsigned char ch, which_field;
2053 struct usersupp tempUS;
2055 struct CtdlMessage *msg;
2058 if (CC->internal_pgm == 0) {
2059 cprintf("%d This command is for internal programs only.\n",
2064 /* See if there's a recipient, but make sure it's a real one */
2065 extract(recp, entargs, 1);
2066 for (a = 0; a < strlen(recp); ++a)
2067 if (!isprint(recp[a]))
2068 strcpy(&recp[a], &recp[a + 1]);
2069 while (isspace(recp[0]))
2070 strcpy(recp, &recp[1]);
2071 while (isspace(recp[strlen(recp) - 1]))
2072 recp[strlen(recp) - 1] = 0;
2074 /* If we're in Mail, check the recipient */
2075 if (strlen(recp) > 0) {
2076 e = alias(recp); /* alias and mail type */
2077 if ((recp[0] == 0) || (e == MES_ERROR)) {
2078 cprintf("%d Unknown address - cannot send message.\n",
2079 ERROR + NO_SUCH_USER);
2082 if (e == MES_LOCAL) {
2083 a = getuser(&tempUS, recp);
2085 cprintf("%d No such user.\n",
2086 ERROR + NO_SUCH_USER);
2092 /* At this point, message has been approved. */
2093 if (extract_int(entargs, 0) == 0) {
2094 cprintf("%d OK to send\n", OK);
2098 msglen = extract_long(entargs, 2);
2099 msg = mallok(sizeof(struct CtdlMessage));
2101 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
2105 memset(msg, 0, sizeof(struct CtdlMessage));
2106 tempbuf = mallok(msglen);
2107 if (tempbuf == NULL) {
2108 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
2113 cprintf("%d %ld\n", SEND_BINARY, msglen);
2115 client_read(&ch, 1); /* 0xFF magic number */
2116 msg->cm_magic = CTDLMESSAGE_MAGIC;
2117 client_read(&ch, 1); /* anon type */
2118 msg->cm_anon_type = ch;
2119 client_read(&ch, 1); /* format type */
2120 msg->cm_format_type = ch;
2121 msglen = msglen - 3;
2123 while (msglen > 0) {
2124 client_read(&which_field, 1);
2125 if (!isalpha(which_field)) valid_msg = 0;
2129 client_read(&ch, 1);
2131 a = strlen(tempbuf);
2134 } while ( (ch != 0) && (msglen > 0) );
2136 msg->cm_fields[which_field] = strdoop(tempbuf);
2139 msg->cm_flags = CM_SKIP_HOOKS;
2140 if (valid_msg) CtdlSaveMsg(msg, recp, "", e, 0);
2141 CtdlFreeMessage(msg);
2147 * API function to delete messages which match a set of criteria
2148 * (returns the actual number of messages deleted)
2150 int CtdlDeleteMessages(char *room_name, /* which room */
2151 long dmsgnum, /* or "0" for any */
2152 char *content_type /* or NULL for any */
2156 struct quickroom qrbuf;
2157 struct cdbdata *cdbfr;
2158 long *msglist = NULL;
2161 int num_deleted = 0;
2163 struct SuppMsgInfo smi;
2165 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2166 room_name, dmsgnum, content_type);
2168 /* get room record, obtaining a lock... */
2169 if (lgetroom(&qrbuf, room_name) != 0) {
2170 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2172 return (0); /* room not found */
2174 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2176 if (cdbfr != NULL) {
2177 msglist = mallok(cdbfr->len);
2178 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2179 num_msgs = cdbfr->len / sizeof(long);
2183 for (i = 0; i < num_msgs; ++i) {
2186 /* Set/clear a bit for each criterion */
2188 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2189 delete_this |= 0x01;
2191 if (content_type == NULL) {
2192 delete_this |= 0x02;
2194 GetSuppMsgInfo(&smi, msglist[i]);
2195 if (!strcasecmp(smi.smi_content_type,
2197 delete_this |= 0x02;
2201 /* Delete message only if all bits are set */
2202 if (delete_this == 0x03) {
2203 AdjRefCount(msglist[i], -1);
2209 num_msgs = sort_msglist(msglist, num_msgs);
2210 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2211 msglist, (num_msgs * sizeof(long)));
2213 qrbuf.QRhighest = msglist[num_msgs - 1];
2217 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2218 return (num_deleted);
2224 * Delete message from current room
2226 void cmd_dele(char *delstr)
2231 getuser(&CC->usersupp, CC->curr_user);
2232 if ((CC->usersupp.axlevel < 6)
2233 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2234 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2235 && (!(CC->internal_pgm))) {
2236 cprintf("%d Higher access required.\n",
2237 ERROR + HIGHER_ACCESS_REQUIRED);
2240 delnum = extract_long(delstr, 0);
2242 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, NULL);
2245 cprintf("%d %d message%s deleted.\n", OK,
2246 num_deleted, ((num_deleted != 1) ? "s" : ""));
2248 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2254 * move or copy a message to another room
2256 void cmd_move(char *args)
2260 struct quickroom qtemp;
2264 num = extract_long(args, 0);
2265 extract(targ, args, 1);
2266 targ[ROOMNAMELEN - 1] = 0;
2267 is_copy = extract_int(args, 2);
2269 getuser(&CC->usersupp, CC->curr_user);
2270 if ((CC->usersupp.axlevel < 6)
2271 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)) {
2272 cprintf("%d Higher access required.\n",
2273 ERROR + HIGHER_ACCESS_REQUIRED);
2277 if (getroom(&qtemp, targ) != 0) {
2278 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2282 err = CtdlSaveMsgPointerInRoom(targ, num,
2283 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2285 cprintf("%d Cannot store message in %s: error %d\n",
2290 /* Now delete the message from the source room,
2291 * if this is a 'move' rather than a 'copy' operation.
2293 if (is_copy == 0) CtdlDeleteMessages(CC->quickroom.QRname, num, NULL);
2295 cprintf("%d Message %s.\n", OK, (is_copy ? "copied" : "moved") );
2301 * GetSuppMsgInfo() - Get the supplementary record for a message
2303 void GetSuppMsgInfo(struct SuppMsgInfo *smibuf, long msgnum)
2306 struct cdbdata *cdbsmi;
2309 memset(smibuf, 0, sizeof(struct SuppMsgInfo));
2310 smibuf->smi_msgnum = msgnum;
2311 smibuf->smi_refcount = 1; /* Default reference count is 1 */
2313 /* Use the negative of the message number for its supp record index */
2314 TheIndex = (0L - msgnum);
2316 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2317 if (cdbsmi == NULL) {
2318 return; /* record not found; go with defaults */
2320 memcpy(smibuf, cdbsmi->ptr,
2321 ((cdbsmi->len > sizeof(struct SuppMsgInfo)) ?
2322 sizeof(struct SuppMsgInfo) : cdbsmi->len));
2329 * PutSuppMsgInfo() - (re)write supplementary record for a message
2331 void PutSuppMsgInfo(struct SuppMsgInfo *smibuf)
2335 /* Use the negative of the message number for its supp record index */
2336 TheIndex = (0L - smibuf->smi_msgnum);
2338 lprintf(9, "PuttSuppMsgInfo(%ld) - ref count is %d\n",
2339 smibuf->smi_msgnum, smibuf->smi_refcount);
2341 cdb_store(CDB_MSGMAIN,
2342 &TheIndex, sizeof(long),
2343 smibuf, sizeof(struct SuppMsgInfo));
2348 * AdjRefCount - change the reference count for a message;
2349 * delete the message if it reaches zero
2351 void AdjRefCount(long msgnum, int incr)
2354 struct SuppMsgInfo smi;
2357 /* This is a *tight* critical section; please keep it that way, as
2358 * it may get called while nested in other critical sections.
2359 * Complicating this any further will surely cause deadlock!
2361 begin_critical_section(S_SUPPMSGMAIN);
2362 GetSuppMsgInfo(&smi, msgnum);
2363 smi.smi_refcount += incr;
2364 PutSuppMsgInfo(&smi);
2365 end_critical_section(S_SUPPMSGMAIN);
2367 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2368 msgnum, smi.smi_refcount);
2370 /* If the reference count is now zero, delete the message
2371 * (and its supplementary record as well).
2373 if (smi.smi_refcount == 0) {
2374 lprintf(9, "Deleting message <%ld>\n", msgnum);
2376 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2377 delnum = (0L - msgnum);
2378 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2383 * Write a generic object to this room
2385 * Note: this could be much more efficient. Right now we use two temporary
2386 * files, and still pull the message into memory as with all others.
2388 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2389 char *content_type, /* MIME type of this object */
2390 char *tempfilename, /* Where to fetch it from */
2391 struct usersupp *is_mailbox, /* Mailbox room? */
2392 int is_binary, /* Is encoding necessary? */
2393 int is_unique, /* Del others of this type? */
2394 unsigned int flags /* Internal save flags */
2399 char filename[PATH_MAX];
2402 struct quickroom qrbuf;
2403 char roomname[ROOMNAMELEN];
2404 struct CtdlMessage *msg;
2407 if (is_mailbox != NULL)
2408 MailboxName(roomname, is_mailbox, req_room);
2410 safestrncpy(roomname, req_room, sizeof(roomname));
2411 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2413 strcpy(filename, tmpnam(NULL));
2414 fp = fopen(filename, "w");
2418 tempfp = fopen(tempfilename, "r");
2419 if (tempfp == NULL) {
2425 fprintf(fp, "Content-type: %s\n", content_type);
2426 lprintf(9, "Content-type: %s\n", content_type);
2428 if (is_binary == 0) {
2429 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2430 while (ch = getc(tempfp), ch > 0)
2436 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2439 sprintf(cmdbuf, "./base64 -e <%s >>%s",
2440 tempfilename, filename);
2444 lprintf(9, "Allocating\n");
2445 msg = mallok(sizeof(struct CtdlMessage));
2446 memset(msg, 0, sizeof(struct CtdlMessage));
2447 msg->cm_magic = CTDLMESSAGE_MAGIC;
2448 msg->cm_anon_type = MES_NORMAL;
2449 msg->cm_format_type = 4;
2450 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2451 msg->cm_fields['O'] = strdoop(req_room);
2452 msg->cm_fields['N'] = strdoop(config.c_nodename);
2453 msg->cm_fields['H'] = strdoop(config.c_humannode);
2454 msg->cm_flags = flags;
2456 lprintf(9, "Loading\n");
2457 fp = fopen(filename, "rb");
2458 fseek(fp, 0L, SEEK_END);
2461 msg->cm_fields['M'] = mallok(len);
2462 fread(msg->cm_fields['M'], len, 1, fp);
2466 /* Create the requested room if we have to. */
2467 if (getroom(&qrbuf, roomname) != 0) {
2468 create_room(roomname,
2469 ( (is_mailbox != NULL) ? 4 : 3 ),
2472 /* If the caller specified this object as unique, delete all
2473 * other objects of this type that are currently in the room.
2476 lprintf(9, "Deleted %d other msgs of this type\n",
2477 CtdlDeleteMessages(roomname, 0L, content_type));
2479 /* Now write the data */
2480 CtdlSaveMsg(msg, "", roomname, MES_LOCAL, 1);
2481 CtdlFreeMessage(msg);
2489 void CtdlGetSysConfigBackend(long msgnum) {
2490 config_msgnum = msgnum;
2494 char *CtdlGetSysConfig(char *sysconfname) {
2495 char hold_rm[ROOMNAMELEN];
2498 struct CtdlMessage *msg;
2501 strcpy(hold_rm, CC->quickroom.QRname);
2502 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
2503 getroom(&CC->quickroom, hold_rm);
2508 /* We want the last (and probably only) config in this room */
2509 begin_critical_section(S_CONFIG);
2510 config_msgnum = (-1L);
2511 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
2512 CtdlGetSysConfigBackend);
2513 msgnum = config_msgnum;
2514 end_critical_section(S_CONFIG);
2520 msg = CtdlFetchMessage(msgnum);
2522 conf = strdoop(msg->cm_fields['M']);
2523 CtdlFreeMessage(msg);
2530 getroom(&CC->quickroom, hold_rm);
2532 lprintf(9, "eggstracting...\n");
2533 if (conf != NULL) do {
2534 extract_token(buf, conf, 0, '\n');
2535 lprintf(9, "eggstracted <%s>\n", buf);
2536 strcpy(conf, &conf[strlen(buf)+1]);
2537 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
2542 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
2543 char temp[PATH_MAX];
2546 strcpy(temp, tmpnam(NULL));
2548 fp = fopen(temp, "w");
2549 if (fp == NULL) return;
2550 fprintf(fp, "%s", sysconfdata);
2553 /* this handy API function does all the work for us */
2554 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);