4 * Implements the message store.
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
39 #include "dynloader.h"
43 #include "sysdep_decls.h"
44 #include "citserver.h"
50 #include "mime_parser.h"
53 #include "internet_addressing.h"
55 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
56 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
57 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
59 extern struct config config;
64 * This really belongs in serv_network.c, but I don't know how to export
65 * symbols between modules.
67 struct FilterList *filterlist = NULL;
71 * These are the four-character field headers we use when outputting
72 * messages in Citadel format (as opposed to RFC822 format).
75 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
76 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
77 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
78 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
79 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
80 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
81 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
82 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
109 * This function is self explanatory.
110 * (What can I say, I'm in a weird mood today...)
112 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
116 for (i = 0; i < strlen(name); ++i) {
117 if (name[i] == '@') {
118 while (isspace(name[i - 1]) && i > 0) {
119 strcpy(&name[i - 1], &name[i]);
122 while (isspace(name[i + 1])) {
123 strcpy(&name[i + 1], &name[i + 2]);
131 * Aliasing for network mail.
132 * (Error messages have been commented out, because this is a server.)
134 int alias(char *name)
135 { /* process alias and routing info for mail */
138 char aaa[SIZ], bbb[SIZ];
139 char *ignetcfg = NULL;
140 char *ignetmap = NULL;
147 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
149 fp = fopen("network/mail.aliases", "r");
151 fp = fopen("/dev/null", "r");
158 while (fgets(aaa, sizeof aaa, fp) != NULL) {
159 while (isspace(name[0]))
160 strcpy(name, &name[1]);
161 aaa[strlen(aaa) - 1] = 0;
163 for (a = 0; a < strlen(aaa); ++a) {
165 strcpy(bbb, &aaa[a + 1]);
169 if (!strcasecmp(name, aaa))
174 /* Hit the Global Address Book */
175 if (CtdlDirectoryLookup(aaa, name) == 0) {
179 lprintf(7, "Mail is being forwarded to %s\n", name);
181 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
182 for (a=0; a<strlen(name); ++a) {
183 if (name[a] == '@') {
184 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
186 lprintf(7, "Changed to <%s>\n", name);
191 /* determine local or remote type, see citadel.h */
192 at = haschar(name, '@');
193 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
194 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
195 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
197 /* figure out the delivery mode */
198 extract_token(node, name, 1, '@');
200 /* If there are one or more dots in the nodename, we assume that it
201 * is an FQDN and will attempt SMTP delivery to the Internet.
203 if (haschar(node, '.') > 0) {
204 return(MES_INTERNET);
207 /* Otherwise we look in the IGnet maps for a valid Citadel node.
208 * Try directly-connected nodes first...
210 ignetcfg = CtdlGetSysConfig(IGNETCFG);
211 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
212 extract_token(buf, ignetcfg, i, '\n');
213 extract_token(testnode, buf, 0, '|');
214 if (!strcasecmp(node, testnode)) {
222 * Then try nodes that are two or more hops away.
224 ignetmap = CtdlGetSysConfig(IGNETMAP);
225 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
226 extract_token(buf, ignetmap, i, '\n');
227 extract_token(testnode, buf, 0, '|');
228 if (!strcasecmp(node, testnode)) {
235 /* If we get to this point it's an invalid node name */
244 fp = fopen("citadel.control", "r");
245 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
251 void simple_listing(long msgnum, void *userdata)
253 cprintf("%ld\n", msgnum);
258 /* Determine if a given message matches the fields in a message template.
259 * Return 0 for a successful match.
261 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
264 /* If there aren't any fields in the template, all messages will
267 if (template == NULL) return(0);
269 /* Null messages are bogus. */
270 if (msg == NULL) return(1);
272 for (i='A'; i<='Z'; ++i) {
273 if (template->cm_fields[i] != NULL) {
274 if (msg->cm_fields[i] == NULL) {
277 if (strcasecmp(msg->cm_fields[i],
278 template->cm_fields[i])) return 1;
282 /* All compares succeeded: we have a match! */
288 * Manipulate the "seen msgs" string.
290 void CtdlSetSeen(long target_msgnum, int target_setting) {
292 struct cdbdata *cdbfr;
302 /* Learn about the user and room in question */
304 getuser(&CC->usersupp, CC->curr_user);
305 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
307 /* Load the message list */
308 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
310 msglist = mallok(cdbfr->len);
311 memcpy(msglist, cdbfr->ptr, cdbfr->len);
312 num_msgs = cdbfr->len / sizeof(long);
315 return; /* No messages at all? No further action. */
318 lprintf(9, "before optimize: %s\n", vbuf.v_seen);
321 for (i=0; i<num_msgs; ++i) {
324 if (msglist[i] == target_msgnum) {
325 is_seen = target_setting;
328 if (is_msg_in_mset(vbuf.v_seen, msglist[i])) {
334 if (lo < 0L) lo = msglist[i];
337 if ( ((is_seen == 0) && (was_seen == 1))
338 || ((is_seen == 1) && (i == num_msgs-1)) ) {
341 if ( (strlen(newseen) + 20) > SIZ) {
342 strcpy(newseen, &newseen[20]);
345 tmp = strlen(newseen);
347 strcat(newseen, ",");
351 snprintf(&newseen[tmp], sizeof newseen - tmp,
355 snprintf(&newseen[tmp], sizeof newseen - tmp,
364 safestrncpy(vbuf.v_seen, newseen, SIZ);
365 lprintf(9, " after optimize: %s\n", vbuf.v_seen);
367 CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
372 * API function to perform an operation for each qualifying message in the
373 * current room. (Returns the number of messages processed.)
375 int CtdlForEachMessage(int mode, long ref,
377 struct CtdlMessage *compare,
378 void (*CallBack) (long, void *),
384 struct cdbdata *cdbfr;
385 long *msglist = NULL;
387 int num_processed = 0;
390 struct CtdlMessage *msg;
393 int printed_lastold = 0;
395 /* Learn about the user and room in question */
397 getuser(&CC->usersupp, CC->curr_user);
398 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
400 /* Load the message list */
401 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
403 msglist = mallok(cdbfr->len);
404 memcpy(msglist, cdbfr->ptr, cdbfr->len);
405 num_msgs = cdbfr->len / sizeof(long);
408 return 0; /* No messages at all? No further action. */
413 * Now begin the traversal.
415 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
417 /* If the caller is looking for a specific MIME type, filter
418 * out all messages which are not of the type requested.
420 if (content_type != NULL) if (strlen(content_type) > 0) {
422 /* This call to GetMetaData() sits inside this loop
423 * so that we only do the extra database read per msg
424 * if we need to. Doing the extra read all the time
425 * really kills the server. If we ever need to use
426 * metadata for another search criterion, we need to
427 * move the read somewhere else -- but still be smart
428 * enough to only do the read if the caller has
429 * specified something that will need it.
431 GetMetaData(&smi, msglist[a]);
433 if (strcasecmp(smi.meta_content_type, content_type)) {
439 num_msgs = sort_msglist(msglist, num_msgs);
441 /* If a template was supplied, filter out the messages which
442 * don't match. (This could induce some delays!)
445 if (compare != NULL) {
446 for (a = 0; a < num_msgs; ++a) {
447 msg = CtdlFetchMessage(msglist[a]);
449 if (CtdlMsgCmp(msg, compare)) {
452 CtdlFreeMessage(msg);
460 * Now iterate through the message list, according to the
461 * criteria supplied by the caller.
464 for (a = 0; a < num_msgs; ++a) {
465 thismsg = msglist[a];
466 is_seen = is_msg_in_mset(vbuf.v_seen, thismsg);
467 if (is_seen) lastold = thismsg;
472 || ((mode == MSGS_OLD) && (is_seen))
473 || ((mode == MSGS_NEW) && (!is_seen))
474 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
475 || ((mode == MSGS_FIRST) && (a < ref))
476 || ((mode == MSGS_GT) && (thismsg > ref))
477 || ((mode == MSGS_EQ) && (thismsg == ref))
480 if ((mode == MSGS_NEW) && (CC->usersupp.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
482 CallBack(lastold, userdata);
486 if (CallBack) CallBack(thismsg, userdata);
490 phree(msglist); /* Clean up */
491 return num_processed;
497 * cmd_msgs() - get list of message #'s in this room
498 * implements the MSGS server command using CtdlForEachMessage()
500 void cmd_msgs(char *cmdbuf)
509 int with_template = 0;
510 struct CtdlMessage *template = NULL;
512 extract(which, cmdbuf, 0);
513 cm_ref = extract_int(cmdbuf, 1);
514 with_template = extract_int(cmdbuf, 2);
518 if (!strncasecmp(which, "OLD", 3))
520 else if (!strncasecmp(which, "NEW", 3))
522 else if (!strncasecmp(which, "FIRST", 5))
524 else if (!strncasecmp(which, "LAST", 4))
526 else if (!strncasecmp(which, "GT", 2))
529 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
530 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
535 cprintf("%d Send template then receive message list\n",
537 template = (struct CtdlMessage *)
538 mallok(sizeof(struct CtdlMessage));
539 memset(template, 0, sizeof(struct CtdlMessage));
540 while(client_gets(buf), strcmp(buf,"000")) {
541 extract(tfield, buf, 0);
542 extract(tvalue, buf, 1);
543 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
544 if (!strcasecmp(tfield, msgkeys[i])) {
545 template->cm_fields[i] =
552 cprintf("%d Message list...\n", LISTING_FOLLOWS);
555 CtdlForEachMessage(mode, cm_ref,
556 NULL, template, simple_listing, NULL);
557 if (template != NULL) CtdlFreeMessage(template);
565 * help_subst() - support routine for help file viewer
567 void help_subst(char *strbuf, char *source, char *dest)
572 while (p = pattern2(strbuf, source), (p >= 0)) {
573 strcpy(workbuf, &strbuf[p + strlen(source)]);
574 strcpy(&strbuf[p], dest);
575 strcat(strbuf, workbuf);
580 void do_help_subst(char *buffer)
584 help_subst(buffer, "^nodename", config.c_nodename);
585 help_subst(buffer, "^humannode", config.c_humannode);
586 help_subst(buffer, "^fqdn", config.c_fqdn);
587 help_subst(buffer, "^username", CC->usersupp.fullname);
588 snprintf(buf2, sizeof buf2, "%ld", CC->usersupp.usernum);
589 help_subst(buffer, "^usernum", buf2);
590 help_subst(buffer, "^sysadm", config.c_sysadm);
591 help_subst(buffer, "^variantname", CITADEL);
592 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
593 help_subst(buffer, "^maxsessions", buf2);
599 * memfmout() - Citadel text formatter and paginator.
600 * Although the original purpose of this routine was to format
601 * text to the reader's screen width, all we're really using it
602 * for here is to format text out to 80 columns before sending it
603 * to the client. The client software may reformat it again.
606 int width, /* screen width to use */
607 char *mptr, /* where are we going to get our text from? */
608 char subst, /* nonzero if we should do substitutions */
609 char *nl) /* string to terminate lines with */
621 c = 1; /* c is the current pos */
625 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
627 buffer[strlen(buffer) + 1] = 0;
628 buffer[strlen(buffer)] = ch;
631 if (buffer[0] == '^')
632 do_help_subst(buffer);
634 buffer[strlen(buffer) + 1] = 0;
636 strcpy(buffer, &buffer[1]);
644 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
646 if (((old == 13) || (old == 10)) && (isspace(real))) {
654 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
655 cprintf("%s%s", nl, aaa);
664 if ((strlen(aaa) + c) > (width - 5)) {
673 if ((ch == 13) || (ch == 10)) {
674 cprintf("%s%s", aaa, nl);
681 cprintf("%s%s", aaa, nl);
687 * Callback function for mime parser that simply lists the part
689 void list_this_part(char *name, char *filename, char *partnum, char *disp,
690 void *content, char *cbtype, size_t length, char *encoding,
694 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
695 name, filename, partnum, disp, cbtype, (long)length);
700 * Callback function for mime parser that opens a section for downloading
702 void mime_download(char *name, char *filename, char *partnum, char *disp,
703 void *content, char *cbtype, size_t length, char *encoding,
707 /* Silently go away if there's already a download open... */
708 if (CC->download_fp != NULL)
711 /* ...or if this is not the desired section */
712 if (strcasecmp(desired_section, partnum))
715 CC->download_fp = tmpfile();
716 if (CC->download_fp == NULL)
719 fwrite(content, length, 1, CC->download_fp);
720 fflush(CC->download_fp);
721 rewind(CC->download_fp);
723 OpenCmdResult(filename, cbtype);
729 * Load a message from disk into memory.
730 * This is used by CtdlOutputMsg() and other fetch functions.
732 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
733 * using the CtdlMessageFree() function.
735 struct CtdlMessage *CtdlFetchMessage(long msgnum)
737 struct cdbdata *dmsgtext;
738 struct CtdlMessage *ret = NULL;
741 CIT_UBYTE field_header;
744 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
745 if (dmsgtext == NULL) {
748 mptr = dmsgtext->ptr;
750 /* Parse the three bytes that begin EVERY message on disk.
751 * The first is always 0xFF, the on-disk magic number.
752 * The second is the anonymous/public type byte.
753 * The third is the format type byte (vari, fixed, or MIME).
757 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
761 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
762 memset(ret, 0, sizeof(struct CtdlMessage));
764 ret->cm_magic = CTDLMESSAGE_MAGIC;
765 ret->cm_anon_type = *mptr++; /* Anon type byte */
766 ret->cm_format_type = *mptr++; /* Format type byte */
769 * The rest is zero or more arbitrary fields. Load them in.
770 * We're done when we encounter either a zero-length field or
771 * have just processed the 'M' (message text) field.
774 field_length = strlen(mptr);
775 if (field_length == 0)
777 field_header = *mptr++;
778 ret->cm_fields[field_header] = mallok(field_length);
779 strcpy(ret->cm_fields[field_header], mptr);
781 while (*mptr++ != 0); /* advance to next field */
783 } while ((field_length > 0) && (field_header != 'M'));
787 /* Always make sure there's something in the msg text field */
788 if (ret->cm_fields['M'] == NULL)
789 ret->cm_fields['M'] = strdoop("<no text>\n");
791 /* Perform "before read" hooks (aborting if any return nonzero) */
792 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
793 CtdlFreeMessage(ret);
802 * Returns 1 if the supplied pointer points to a valid Citadel message.
803 * If the pointer is NULL or the magic number check fails, returns 0.
805 int is_valid_message(struct CtdlMessage *msg) {
808 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
809 lprintf(3, "is_valid_message() -- self-check failed\n");
817 * 'Destructor' for struct CtdlMessage
819 void CtdlFreeMessage(struct CtdlMessage *msg)
823 if (is_valid_message(msg) == 0) return;
825 for (i = 0; i < 256; ++i)
826 if (msg->cm_fields[i] != NULL) {
827 phree(msg->cm_fields[i]);
830 msg->cm_magic = 0; /* just in case */
836 * Pre callback function for multipart/alternative
838 * NOTE: this differs from the standard behavior for a reason. Normally when
839 * displaying multipart/alternative you want to show the _last_ usable
840 * format in the message. Here we show the _first_ one, because it's
841 * usually text/plain. Since this set of functions is designed for text
842 * output to non-MIME-aware clients, this is the desired behavior.
845 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
846 void *content, char *cbtype, size_t length, char *encoding,
849 lprintf(9, "fixed_output_pre() type=<%s>\n", cbtype);
850 if (!strcasecmp(cbtype, "multipart/alternative")) {
858 * Post callback function for multipart/alternative
860 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
861 void *content, char *cbtype, size_t length, char *encoding,
864 lprintf(9, "fixed_output_post() type=<%s>\n", cbtype);
865 if (!strcasecmp(cbtype, "multipart/alternative")) {
873 * Inline callback function for mime parser that wants to display text
875 void fixed_output(char *name, char *filename, char *partnum, char *disp,
876 void *content, char *cbtype, size_t length, char *encoding,
884 lprintf(9, "fixed_output() type=<%s>\n", cbtype);
887 * If we're in the middle of a multipart/alternative scope and
888 * we've already printed another section, skip this one.
890 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
891 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
896 if ( (!strcasecmp(cbtype, "text/plain"))
897 || (strlen(cbtype)==0) ) {
900 client_write(wptr, length);
901 if (wptr[length-1] != '\n') {
906 else if (!strcasecmp(cbtype, "text/html")) {
907 ptr = html_to_ascii(content, 80, 0);
909 client_write(ptr, wlen);
910 if (ptr[wlen-1] != '\n') {
915 else if (strncasecmp(cbtype, "multipart/", 10)) {
916 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
917 partnum, filename, cbtype, (long)length);
923 * Get a message off disk. (returns om_* values found in msgbase.h)
926 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
927 int mode, /* how would you like that message? */
928 int headers_only, /* eschew the message body? */
929 int do_proto, /* do Citadel protocol responses? */
930 int crlf /* Use CRLF newlines instead of LF? */
932 struct CtdlMessage *TheMessage;
935 lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
940 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
941 if (do_proto) cprintf("%d Not logged in.\n",
942 ERROR + NOT_LOGGED_IN);
943 return(om_not_logged_in);
946 /* FIXME ... small security issue
947 * We need to check to make sure the requested message is actually
948 * in the current room, and set msg_ok to 1 only if it is. This
949 * functionality is currently missing because I'm in a hurry to replace
950 * broken production code with nonbroken pre-beta code. :( -- ajc
953 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
955 return(om_no_such_msg);
960 * Fetch the message from disk
962 TheMessage = CtdlFetchMessage(msg_num);
963 if (TheMessage == NULL) {
964 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
966 return(om_no_such_msg);
969 retcode = CtdlOutputPreLoadedMsg(
970 TheMessage, msg_num, mode,
971 headers_only, do_proto, crlf);
973 CtdlFreeMessage(TheMessage);
979 * Get a message off disk. (returns om_* values found in msgbase.h)
982 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
984 int mode, /* how would you like that message? */
985 int headers_only, /* eschew the message body? */
986 int do_proto, /* do Citadel protocol responses? */
987 int crlf /* Use CRLF newlines instead of LF? */
993 char display_name[SIZ];
995 char *nl; /* newline string */
998 /* buffers needed for RFC822 translation */
1005 char datestamp[SIZ];
1008 snprintf(mid, sizeof mid, "%ld", msg_num);
1009 nl = (crlf ? "\r\n" : "\n");
1011 if (!is_valid_message(TheMessage)) {
1012 lprintf(1, "ERROR: invalid preloaded message for output\n");
1013 return(om_no_such_msg);
1016 /* Are we downloading a MIME component? */
1017 if (mode == MT_DOWNLOAD) {
1018 if (TheMessage->cm_format_type != FMT_RFC822) {
1020 cprintf("%d This is not a MIME message.\n",
1022 } else if (CC->download_fp != NULL) {
1023 if (do_proto) cprintf(
1024 "%d You already have a download open.\n",
1027 /* Parse the message text component */
1028 mptr = TheMessage->cm_fields['M'];
1029 mime_parser(mptr, NULL,
1030 *mime_download, NULL, NULL,
1032 /* If there's no file open by this time, the requested
1033 * section wasn't found, so print an error
1035 if (CC->download_fp == NULL) {
1036 if (do_proto) cprintf(
1037 "%d Section %s not found.\n",
1038 ERROR + FILE_NOT_FOUND,
1042 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1045 /* now for the user-mode message reading loops */
1046 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1048 /* Tell the client which format type we're using. If this is a
1049 * MIME message, *lie* about it and tell the user it's fixed-format.
1051 if (mode == MT_CITADEL) {
1052 if (TheMessage->cm_format_type == FMT_RFC822) {
1053 if (do_proto) cprintf("type=1\n");
1056 if (do_proto) cprintf("type=%d\n",
1057 TheMessage->cm_format_type);
1061 /* nhdr=yes means that we're only displaying headers, no body */
1062 if ((TheMessage->cm_anon_type == MES_ANONONLY) && (mode == MT_CITADEL)) {
1063 if (do_proto) cprintf("nhdr=yes\n");
1066 /* begin header processing loop for Citadel message format */
1068 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1070 strcpy(display_name, "<unknown>");
1071 if (TheMessage->cm_fields['A']) {
1072 strcpy(buf, TheMessage->cm_fields['A']);
1073 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1074 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1075 strcpy(display_name, "****");
1077 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1078 strcpy(display_name, "anonymous");
1081 strcpy(display_name, buf);
1083 if ((is_room_aide())
1084 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1085 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1086 size_t tmp = strlen(display_name);
1087 snprintf(&display_name[tmp],
1088 sizeof display_name - tmp,
1093 /* Don't show Internet address for users on the
1094 * local Citadel network.
1097 if (TheMessage->cm_fields['N'] != NULL)
1098 if (strlen(TheMessage->cm_fields['N']) > 0)
1099 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1103 /* Now spew the header fields in the order we like them. */
1104 strcpy(allkeys, FORDER);
1105 for (i=0; i<strlen(allkeys); ++i) {
1106 k = (int) allkeys[i];
1108 if ( (TheMessage->cm_fields[k] != NULL)
1109 && (msgkeys[k] != NULL) ) {
1111 if (do_proto) cprintf("%s=%s\n",
1115 else if ((k == 'F') && (suppress_f)) {
1118 /* Masquerade display name if needed */
1120 if (do_proto) cprintf("%s=%s\n",
1122 TheMessage->cm_fields[k]
1131 /* begin header processing loop for RFC822 transfer format */
1136 strcpy(snode, NODENAME);
1137 strcpy(lnode, HUMANNODE);
1138 if (mode == MT_RFC822) {
1139 cprintf("X-UIDL: %ld%s", msg_num, nl);
1140 for (i = 0; i < 256; ++i) {
1141 if (TheMessage->cm_fields[i]) {
1142 mptr = TheMessage->cm_fields[i];
1145 strcpy(luser, mptr);
1146 strcpy(suser, mptr);
1149 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1150 into thinking that mail messages are newsgroup messages instead. When we
1151 add NNTP support back into Citadel we'll have to add code to only output
1152 this field when appropriate.
1153 else if (i == 'P') {
1154 cprintf("Path: %s%s", mptr, nl);
1158 cprintf("Subject: %s%s", mptr, nl);
1160 safestrncpy(mid, mptr, sizeof mid);
1162 safestrncpy(lnode, mptr, sizeof lnode);
1164 safestrncpy(fuser, mptr, sizeof fuser);
1166 cprintf("X-Citadel-Room: %s%s",
1169 safestrncpy(snode, mptr, sizeof snode);
1171 cprintf("To: %s%s", mptr, nl);
1172 else if (i == 'T') {
1173 datestring(datestamp, sizeof datestamp, atol(mptr),
1174 DATESTRING_RFC822 );
1175 cprintf("Date: %s%s", datestamp, nl);
1181 for (i=0; i<strlen(suser); ++i) {
1182 suser[i] = tolower(suser[i]);
1183 if (!isalnum(suser[i])) suser[i]='_';
1186 if (mode == MT_RFC822) {
1187 if (!strcasecmp(snode, NODENAME)) {
1188 strcpy(snode, FQDN);
1191 /* Construct a fun message id */
1192 cprintf("Message-ID: <%s", mid);
1193 if (strchr(mid, '@')==NULL) {
1194 cprintf("@%s", snode);
1198 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1200 if (strlen(fuser) > 0) {
1201 cprintf("From: %s (%s)%s", fuser, luser, nl);
1204 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1207 cprintf("Organization: %s%s", lnode, nl);
1210 /* end header processing loop ... at this point, we're in the text */
1212 mptr = TheMessage->cm_fields['M'];
1214 /* Tell the client about the MIME parts in this message */
1215 if (TheMessage->cm_format_type == FMT_RFC822) {
1216 if (mode == MT_CITADEL) {
1217 mime_parser(mptr, NULL,
1218 *list_this_part, NULL, NULL,
1221 else if (mode == MT_MIME) { /* list parts only */
1222 mime_parser(mptr, NULL,
1223 *list_this_part, NULL, NULL,
1225 if (do_proto) cprintf("000\n");
1228 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1229 /* FIXME ... we have to put some code in here to avoid
1230 * printing duplicate header information when both
1231 * Citadel and RFC822 headers exist. Preference should
1232 * probably be given to the RFC822 headers.
1234 while (ch=*(mptr++), ch!=0) {
1236 else if (ch==10) cprintf("%s", nl);
1237 else cprintf("%c", ch);
1239 if (do_proto) cprintf("000\n");
1245 if (do_proto) cprintf("000\n");
1249 /* signify start of msg text */
1250 if (mode == MT_CITADEL)
1251 if (do_proto) cprintf("text\n");
1252 if (mode == MT_RFC822) {
1253 if (TheMessage->cm_fields['U'] == NULL) {
1254 cprintf("Subject: (no subject)%s", nl);
1259 /* If the format type on disk is 1 (fixed-format), then we want
1260 * everything to be output completely literally ... regardless of
1261 * what message transfer format is in use.
1263 if (TheMessage->cm_format_type == FMT_FIXED) {
1265 while (ch = *mptr++, ch > 0) {
1268 if ((ch == 10) || (strlen(buf) > 250)) {
1269 cprintf("%s%s", buf, nl);
1272 buf[strlen(buf) + 1] = 0;
1273 buf[strlen(buf)] = ch;
1276 if (strlen(buf) > 0)
1277 cprintf("%s%s", buf, nl);
1280 /* If the message on disk is format 0 (Citadel vari-format), we
1281 * output using the formatter at 80 columns. This is the final output
1282 * form if the transfer format is RFC822, but if the transfer format
1283 * is Citadel proprietary, it'll still work, because the indentation
1284 * for new paragraphs is correct and the client will reformat the
1285 * message to the reader's screen width.
1287 if (TheMessage->cm_format_type == FMT_CITADEL) {
1288 memfmout(80, mptr, 0, nl);
1291 /* If the message on disk is format 4 (MIME), we've gotta hand it
1292 * off to the MIME parser. The client has already been told that
1293 * this message is format 1 (fixed format), so the callback function
1294 * we use will display those parts as-is.
1296 if (TheMessage->cm_format_type == FMT_RFC822) {
1297 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1298 memset(ma, 0, sizeof(struct ma_info));
1299 mime_parser(mptr, NULL,
1300 *fixed_output, *fixed_output_pre, *fixed_output_post,
1304 /* now we're done */
1305 if (do_proto) cprintf("000\n");
1312 * display a message (mode 0 - Citadel proprietary)
1314 void cmd_msg0(char *cmdbuf)
1317 int headers_only = 0;
1319 msgid = extract_long(cmdbuf, 0);
1320 headers_only = extract_int(cmdbuf, 1);
1322 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1328 * display a message (mode 2 - RFC822)
1330 void cmd_msg2(char *cmdbuf)
1333 int headers_only = 0;
1335 msgid = extract_long(cmdbuf, 0);
1336 headers_only = extract_int(cmdbuf, 1);
1338 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1344 * display a message (mode 3 - IGnet raw format - internal programs only)
1346 void cmd_msg3(char *cmdbuf)
1349 struct CtdlMessage *msg;
1352 if (CC->internal_pgm == 0) {
1353 cprintf("%d This command is for internal programs only.\n",
1358 msgnum = extract_long(cmdbuf, 0);
1359 msg = CtdlFetchMessage(msgnum);
1361 cprintf("%d Message %ld not found.\n",
1366 serialize_message(&smr, msg);
1367 CtdlFreeMessage(msg);
1370 cprintf("%d Unable to serialize message\n",
1371 ERROR+INTERNAL_ERROR);
1375 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1376 client_write(smr.ser, smr.len);
1383 * display a message (mode 4 - MIME) (FIXME ... still evolving, not complete)
1385 void cmd_msg4(char *cmdbuf)
1389 msgid = extract_long(cmdbuf, 0);
1390 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1394 * Open a component of a MIME message as a download file
1396 void cmd_opna(char *cmdbuf)
1400 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1402 msgid = extract_long(cmdbuf, 0);
1403 extract(desired_section, cmdbuf, 1);
1405 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1410 * Save a message pointer into a specified room
1411 * (Returns 0 for success, nonzero for failure)
1412 * roomname may be NULL to use the current room
1414 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1416 char hold_rm[ROOMNAMELEN];
1417 struct cdbdata *cdbfr;
1420 long highest_msg = 0L;
1421 struct CtdlMessage *msg = NULL;
1423 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1424 roomname, msgid, flags);
1426 strcpy(hold_rm, CC->quickroom.QRname);
1428 /* We may need to check to see if this message is real */
1429 if ( (flags & SM_VERIFY_GOODNESS)
1430 || (flags & SM_DO_REPL_CHECK)
1432 msg = CtdlFetchMessage(msgid);
1433 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1436 /* Perform replication checks if necessary */
1437 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1439 if (getroom(&CC->quickroom,
1440 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1442 lprintf(9, "No such room <%s>\n", roomname);
1443 if (msg != NULL) CtdlFreeMessage(msg);
1444 return(ERROR + ROOM_NOT_FOUND);
1447 if (ReplicationChecks(msg) != 0) {
1448 getroom(&CC->quickroom, hold_rm);
1449 if (msg != NULL) CtdlFreeMessage(msg);
1450 lprintf(9, "Did replication, and newer exists\n");
1455 /* Now the regular stuff */
1456 if (lgetroom(&CC->quickroom,
1457 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1459 lprintf(9, "No such room <%s>\n", roomname);
1460 if (msg != NULL) CtdlFreeMessage(msg);
1461 return(ERROR + ROOM_NOT_FOUND);
1464 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1465 if (cdbfr == NULL) {
1469 msglist = mallok(cdbfr->len);
1470 if (msglist == NULL)
1471 lprintf(3, "ERROR malloc msglist!\n");
1472 num_msgs = cdbfr->len / sizeof(long);
1473 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1478 /* Make sure the message doesn't already exist in this room. It
1479 * is absolutely taboo to have more than one reference to the same
1480 * message in a room.
1482 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1483 if (msglist[i] == msgid) {
1484 lputroom(&CC->quickroom); /* unlock the room */
1485 getroom(&CC->quickroom, hold_rm);
1486 if (msg != NULL) CtdlFreeMessage(msg);
1487 return(ERROR + ALREADY_EXISTS);
1491 /* Now add the new message */
1493 msglist = reallok(msglist,
1494 (num_msgs * sizeof(long)));
1496 if (msglist == NULL) {
1497 lprintf(3, "ERROR: can't realloc message list!\n");
1499 msglist[num_msgs - 1] = msgid;
1501 /* Sort the message list, so all the msgid's are in order */
1502 num_msgs = sort_msglist(msglist, num_msgs);
1504 /* Determine the highest message number */
1505 highest_msg = msglist[num_msgs - 1];
1507 /* Write it back to disk. */
1508 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1509 msglist, num_msgs * sizeof(long));
1511 /* Free up the memory we used. */
1514 /* Update the highest-message pointer and unlock the room. */
1515 CC->quickroom.QRhighest = highest_msg;
1516 lputroom(&CC->quickroom);
1517 getroom(&CC->quickroom, hold_rm);
1519 /* Bump the reference count for this message. */
1520 if ((flags & SM_DONT_BUMP_REF)==0) {
1521 AdjRefCount(msgid, +1);
1524 /* Return success. */
1525 if (msg != NULL) CtdlFreeMessage(msg);
1532 * Message base operation to send a message to the master file
1533 * (returns new message number)
1535 * This is the back end for CtdlSubmitMsg() and should not be directly
1536 * called by server-side modules.
1539 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1540 FILE *save_a_copy) /* save a copy to disk? */
1547 /* Get a new message number */
1548 newmsgid = get_new_message_number();
1549 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1551 /* Generate an ID if we don't have one already */
1552 if (msg->cm_fields['I']==NULL) {
1553 msg->cm_fields['I'] = strdoop(msgidbuf);
1556 serialize_message(&smr, msg);
1559 cprintf("%d Unable to serialize message\n",
1560 ERROR+INTERNAL_ERROR);
1564 /* Write our little bundle of joy into the message base */
1565 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1566 smr.ser, smr.len) < 0) {
1567 lprintf(2, "Can't store message\n");
1573 /* If the caller specified that a copy should be saved to a particular
1574 * file handle, do that now too.
1576 if (save_a_copy != NULL) {
1577 fwrite(smr.ser, smr.len, 1, save_a_copy);
1580 /* Free the memory we used for the serialized message */
1583 /* Return the *local* message ID to the caller
1584 * (even if we're storing an incoming network message)
1592 * Serialize a struct CtdlMessage into the format used on disk and network.
1594 * This function loads up a "struct ser_ret" (defined in server.h) which
1595 * contains the length of the serialized message and a pointer to the
1596 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1598 void serialize_message(struct ser_ret *ret, /* return values */
1599 struct CtdlMessage *msg) /* unserialized msg */
1603 static char *forder = FORDER;
1605 if (is_valid_message(msg) == 0) return; /* self check */
1608 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1609 ret->len = ret->len +
1610 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1612 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1613 ret->ser = mallok(ret->len);
1614 if (ret->ser == NULL) {
1620 ret->ser[1] = msg->cm_anon_type;
1621 ret->ser[2] = msg->cm_format_type;
1624 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1625 ret->ser[wlen++] = (char)forder[i];
1626 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1627 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1629 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1630 (long)ret->len, (long)wlen);
1638 * Back end for the ReplicationChecks() function
1640 void check_repl(long msgnum, void *userdata) {
1641 struct CtdlMessage *msg;
1642 time_t timestamp = (-1L);
1644 lprintf(9, "check_repl() found message %ld\n", msgnum);
1645 msg = CtdlFetchMessage(msgnum);
1646 if (msg == NULL) return;
1647 if (msg->cm_fields['T'] != NULL) {
1648 timestamp = atol(msg->cm_fields['T']);
1650 CtdlFreeMessage(msg);
1652 if (timestamp > msg_repl->highest) {
1653 msg_repl->highest = timestamp; /* newer! */
1654 lprintf(9, "newer!\n");
1657 lprintf(9, "older!\n");
1659 /* Existing isn't newer? Then delete the old one(s). */
1660 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1665 * Check to see if any messages already exist which carry the same Extended ID
1669 * -> With older timestamps: delete them and return 0. Message will be saved.
1670 * -> With newer timestamps: return 1. Message save will be aborted.
1672 int ReplicationChecks(struct CtdlMessage *msg) {
1673 struct CtdlMessage *template;
1676 lprintf(9, "ReplicationChecks() started\n");
1677 /* No extended id? Don't do anything. */
1678 if (msg->cm_fields['E'] == NULL) return 0;
1679 if (strlen(msg->cm_fields['E']) == 0) return 0;
1680 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1682 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1683 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1684 msg_repl->highest = atol(msg->cm_fields['T']);
1686 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1687 memset(template, 0, sizeof(struct CtdlMessage));
1688 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1690 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1692 /* If a newer message exists with the same Extended ID, abort
1695 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1699 CtdlFreeMessage(template);
1700 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1708 * Save a message to disk and submit it into the delivery system.
1710 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1711 struct recptypes *recps, /* recipients (if mail) */
1712 char *force /* force a particular room? */
1715 char hold_rm[ROOMNAMELEN];
1716 char actual_rm[ROOMNAMELEN];
1717 char force_room[ROOMNAMELEN];
1718 char content_type[SIZ]; /* We have to learn this */
1719 char recipient[SIZ];
1722 struct usersupp userbuf;
1724 struct MetaData smi;
1725 FILE *network_fp = NULL;
1726 static int seqnum = 1;
1727 struct CtdlMessage *imsg = NULL;
1730 char *hold_R, *hold_D;
1732 lprintf(9, "CtdlSubmitMsg() called\n");
1733 if (is_valid_message(msg) == 0) return(-1); /* self check */
1735 /* If this message has no timestamp, we take the liberty of
1736 * giving it one, right now.
1738 if (msg->cm_fields['T'] == NULL) {
1739 lprintf(9, "Generating timestamp\n");
1740 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1741 msg->cm_fields['T'] = strdoop(aaa);
1744 /* If this message has no path, we generate one.
1746 if (msg->cm_fields['P'] == NULL) {
1747 lprintf(9, "Generating path\n");
1748 if (msg->cm_fields['A'] != NULL) {
1749 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1750 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1751 if (isspace(msg->cm_fields['P'][a])) {
1752 msg->cm_fields['P'][a] = ' ';
1757 msg->cm_fields['P'] = strdoop("unknown");
1761 strcpy(force_room, force);
1763 /* Learn about what's inside, because it's what's inside that counts */
1764 lprintf(9, "Learning what's inside\n");
1765 if (msg->cm_fields['M'] == NULL) {
1766 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1769 switch (msg->cm_format_type) {
1771 strcpy(content_type, "text/x-citadel-variformat");
1774 strcpy(content_type, "text/plain");
1777 strcpy(content_type, "text/plain");
1778 /* advance past header fields */
1779 mptr = msg->cm_fields['M'];
1782 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1783 safestrncpy(content_type, mptr,
1784 sizeof(content_type));
1785 strcpy(content_type, &content_type[14]);
1786 for (a = 0; a < strlen(content_type); ++a)
1787 if ((content_type[a] == ';')
1788 || (content_type[a] == ' ')
1789 || (content_type[a] == 13)
1790 || (content_type[a] == 10))
1791 content_type[a] = 0;
1798 /* Goto the correct room */
1799 lprintf(9, "Switching rooms\n");
1800 strcpy(hold_rm, CC->quickroom.QRname);
1801 strcpy(actual_rm, CC->quickroom.QRname);
1802 if (recps != NULL) {
1803 strcpy(actual_rm, SENTITEMS);
1806 /* If the user is a twit, move to the twit room for posting */
1807 lprintf(9, "Handling twit stuff\n");
1809 if (CC->usersupp.axlevel == 2) {
1810 strcpy(hold_rm, actual_rm);
1811 strcpy(actual_rm, config.c_twitroom);
1815 /* ...or if this message is destined for Aide> then go there. */
1816 if (strlen(force_room) > 0) {
1817 strcpy(actual_rm, force_room);
1820 lprintf(9, "Possibly relocating\n");
1821 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1822 getroom(&CC->quickroom, actual_rm);
1826 * If this message has no O (room) field, generate one.
1828 if (msg->cm_fields['O'] == NULL) {
1829 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1832 /* Perform "before save" hooks (aborting if any return nonzero) */
1833 lprintf(9, "Performing before-save hooks\n");
1834 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1836 /* If this message has an Extended ID, perform replication checks */
1837 lprintf(9, "Performing replication checks\n");
1838 if (ReplicationChecks(msg) > 0) return(-1);
1840 /* Save it to disk */
1841 lprintf(9, "Saving to disk\n");
1842 newmsgid = send_message(msg, NULL);
1843 if (newmsgid <= 0L) return(-1);
1845 /* Write a supplemental message info record. This doesn't have to
1846 * be a critical section because nobody else knows about this message
1849 lprintf(9, "Creating MetaData record\n");
1850 memset(&smi, 0, sizeof(struct MetaData));
1851 smi.meta_msgnum = newmsgid;
1852 smi.meta_refcount = 0;
1853 safestrncpy(smi.meta_content_type, content_type, 64);
1856 /* Now figure out where to store the pointers */
1857 lprintf(9, "Storing pointers\n");
1859 /* If this is being done by the networker delivering a private
1860 * message, we want to BYPASS saving the sender's copy (because there
1861 * is no local sender; it would otherwise go to the Trashcan).
1863 if ((!CC->internal_pgm) || (recps == NULL)) {
1864 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
1865 lprintf(3, "ERROR saving message pointer!\n");
1866 CtdlSaveMsgPointerInRoom(AIDEROOM, newmsgid, 0);
1870 /* For internet mail, drop a copy in the outbound queue room */
1872 if (recps->num_internet > 0) {
1873 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
1876 /* If other rooms are specified, drop them there too. */
1878 if (recps->num_room > 0)
1879 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
1880 extract(recipient, recps->recp_room, i);
1881 lprintf(9, "Delivering to local room <%s>\n", recipient);
1882 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
1885 /* Bump this user's messages posted counter. */
1886 lprintf(9, "Updating user\n");
1887 lgetuser(&CC->usersupp, CC->curr_user);
1888 CC->usersupp.posted = CC->usersupp.posted + 1;
1889 lputuser(&CC->usersupp);
1891 /* If this is private, local mail, make a copy in the
1892 * recipient's mailbox and bump the reference count.
1895 if (recps->num_local > 0)
1896 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
1897 extract(recipient, recps->recp_local, i);
1898 lprintf(9, "Delivering private local mail to <%s>\n",
1900 if (getuser(&userbuf, recipient) == 0) {
1901 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
1902 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1903 BumpNewMailCounter(userbuf.usernum);
1906 lprintf(9, "No user <%s>\n", recipient);
1907 CtdlSaveMsgPointerInRoom(AIDEROOM, newmsgid, 0);
1911 /* Perform "after save" hooks */
1912 lprintf(9, "Performing after-save hooks\n");
1913 PerformMessageHooks(msg, EVT_AFTERSAVE);
1915 /* For IGnet mail, we have to save a new copy into the spooler for
1916 * each recipient, with the R and D fields set to the recipient and
1917 * destination-node. This has two ugly side effects: all other
1918 * recipients end up being unlisted in this recipient's copy of the
1919 * message, and it has to deliver multiple messages to the same
1920 * node. We'll revisit this again in a year or so when everyone has
1921 * a network spool receiver that can handle the new style messages.
1924 if (recps->num_ignet > 0)
1925 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
1926 extract(recipient, recps->recp_ignet, i);
1928 hold_R = msg->cm_fields['R'];
1929 hold_D = msg->cm_fields['D'];
1930 msg->cm_fields['R'] = mallok(SIZ);
1931 msg->cm_fields['D'] = mallok(SIZ);
1932 extract_token(msg->cm_fields['R'], recipient, 0, '@');
1933 extract_token(msg->cm_fields['D'], recipient, 1, '@');
1935 serialize_message(&smr, msg);
1937 snprintf(aaa, sizeof aaa,
1938 "./network/spoolin/netmail.%04lx.%04x.%04x",
1939 (long) getpid(), CC->cs_pid, ++seqnum);
1940 network_fp = fopen(aaa, "wb+");
1941 if (network_fp != NULL) {
1942 fwrite(smr.ser, smr.len, 1, network_fp);
1948 phree(msg->cm_fields['R']);
1949 phree(msg->cm_fields['D']);
1950 msg->cm_fields['R'] = hold_R;
1951 msg->cm_fields['D'] = hold_D;
1954 /* Go back to the room we started from */
1955 lprintf(9, "Returning to original room\n");
1956 if (strcasecmp(hold_rm, CC->quickroom.QRname))
1957 getroom(&CC->quickroom, hold_rm);
1959 /* For internet mail, generate delivery instructions.
1960 * Yes, this is recursive. Deal with it. Infinite recursion does
1961 * not happen because the delivery instructions message does not
1962 * contain a recipient.
1965 if (recps->num_internet > 0) {
1966 lprintf(9, "Generating delivery instructions\n");
1967 instr = mallok(SIZ * 2);
1968 snprintf(instr, SIZ * 2,
1969 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
1971 SPOOLMIME, newmsgid, (long)time(NULL),
1972 msg->cm_fields['A'], msg->cm_fields['N']
1975 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
1976 size_t tmp = strlen(instr);
1977 extract(recipient, recps->recp_internet, i);
1978 snprintf(&instr[tmp], SIZ * 2 - tmp,
1979 "remote|%s|0||\n", recipient);
1982 imsg = mallok(sizeof(struct CtdlMessage));
1983 memset(imsg, 0, sizeof(struct CtdlMessage));
1984 imsg->cm_magic = CTDLMESSAGE_MAGIC;
1985 imsg->cm_anon_type = MES_NORMAL;
1986 imsg->cm_format_type = FMT_RFC822;
1987 imsg->cm_fields['A'] = strdoop("Citadel");
1988 imsg->cm_fields['M'] = instr;
1989 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
1990 CtdlFreeMessage(imsg);
1999 * Convenience function for generating small administrative messages.
2001 void quickie_message(char *from, char *to, char *room, char *text)
2003 struct CtdlMessage *msg;
2005 msg = mallok(sizeof(struct CtdlMessage));
2006 memset(msg, 0, sizeof(struct CtdlMessage));
2007 msg->cm_magic = CTDLMESSAGE_MAGIC;
2008 msg->cm_anon_type = MES_NORMAL;
2009 msg->cm_format_type = 0;
2010 msg->cm_fields['A'] = strdoop(from);
2011 msg->cm_fields['O'] = strdoop(room);
2012 msg->cm_fields['N'] = strdoop(NODENAME);
2014 msg->cm_fields['R'] = strdoop(to);
2015 msg->cm_fields['M'] = strdoop(text);
2017 CtdlSubmitMsg(msg, NULL, room);
2018 CtdlFreeMessage(msg);
2019 syslog(LOG_NOTICE, text);
2025 * Back end function used by make_message() and similar functions
2027 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2028 size_t maxlen, /* maximum message length */
2029 char *exist /* if non-null, append to it;
2030 exist is ALWAYS freed */
2034 size_t message_len = 0;
2035 size_t buffer_len = 0;
2039 if (exist == NULL) {
2046 message_len = strlen(exist);
2047 buffer_len = message_len + 4096;
2048 m = reallok(exist, buffer_len);
2055 /* flush the input if we have nowhere to store it */
2057 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2061 /* read in the lines of message text one by one */
2062 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2064 /* strip trailing newline type stuff */
2065 if (buf[strlen(buf)-1]==10) buf[strlen(buf)-1]=0;
2066 if (buf[strlen(buf)-1]==13) buf[strlen(buf)-1]=0;
2068 linelen = strlen(buf);
2070 /* augment the buffer if we have to */
2071 if ((message_len + linelen + 2) > buffer_len) {
2072 lprintf(9, "realloking\n");
2073 ptr = reallok(m, (buffer_len * 2) );
2074 if (ptr == NULL) { /* flush if can't allocate */
2075 while ( (client_gets(buf)>0) &&
2076 strcmp(buf, terminator)) ;;
2079 buffer_len = (buffer_len * 2);
2081 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2085 /* Add the new line to the buffer. NOTE: this loop must avoid
2086 * using functions like strcat() and strlen() because they
2087 * traverse the entire buffer upon every call, and doing that
2088 * for a multi-megabyte message slows it down beyond usability.
2090 strcpy(&m[message_len], buf);
2091 m[message_len + linelen] = '\n';
2092 m[message_len + linelen + 1] = 0;
2093 message_len = message_len + linelen + 1;
2095 /* if we've hit the max msg length, flush the rest */
2096 if (message_len >= maxlen) {
2097 while ( (client_gets(buf)>0)
2098 && strcmp(buf, terminator)) ;;
2109 * Build a binary message to be saved on disk.
2112 static struct CtdlMessage *make_message(
2113 struct usersupp *author, /* author's usersupp structure */
2114 char *recipient, /* NULL if it's not mail */
2115 char *room, /* room where it's going */
2116 int type, /* see MES_ types in header file */
2117 int format_type, /* variformat, plain text, MIME... */
2118 char *fake_name, /* who we're masquerading as */
2119 char *subject /* Subject (optional) */
2121 char dest_node[SIZ];
2123 struct CtdlMessage *msg;
2125 msg = mallok(sizeof(struct CtdlMessage));
2126 memset(msg, 0, sizeof(struct CtdlMessage));
2127 msg->cm_magic = CTDLMESSAGE_MAGIC;
2128 msg->cm_anon_type = type;
2129 msg->cm_format_type = format_type;
2131 /* Don't confuse the poor folks if it's not routed mail. */
2132 strcpy(dest_node, "");
2136 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2137 msg->cm_fields['P'] = strdoop(buf);
2139 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2140 msg->cm_fields['T'] = strdoop(buf);
2142 if (fake_name[0]) /* author */
2143 msg->cm_fields['A'] = strdoop(fake_name);
2145 msg->cm_fields['A'] = strdoop(author->fullname);
2147 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2148 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2151 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2154 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2155 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2157 if (recipient[0] != 0) {
2158 msg->cm_fields['R'] = strdoop(recipient);
2160 if (dest_node[0] != 0) {
2161 msg->cm_fields['D'] = strdoop(dest_node);
2164 if ( (author == &CC->usersupp) && (CC->cs_inet_email != NULL) ) {
2165 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2168 if (subject != NULL) {
2170 if (strlen(subject) > 0) {
2171 msg->cm_fields['U'] = strdoop(subject);
2175 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2176 config.c_maxmsglen, NULL);
2183 * Check to see whether we have permission to post a message in the current
2184 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2185 * returns 0 on success.
2187 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2189 if (!(CC->logged_in)) {
2190 snprintf(errmsgbuf, n, "Not logged in.");
2191 return (ERROR + NOT_LOGGED_IN);
2194 if ((CC->usersupp.axlevel < 2)
2195 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2196 snprintf(errmsgbuf, n, "Need to be validated to enter "
2197 "(except in %s> to sysop)", MAILROOM);
2198 return (ERROR + HIGHER_ACCESS_REQUIRED);
2201 if ((CC->usersupp.axlevel < 4)
2202 && (CC->quickroom.QRflags & QR_NETWORK)) {
2203 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2204 return (ERROR + HIGHER_ACCESS_REQUIRED);
2207 if ((CC->usersupp.axlevel < 6)
2208 && (CC->quickroom.QRflags & QR_READONLY)) {
2209 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2210 return (ERROR + HIGHER_ACCESS_REQUIRED);
2213 strcpy(errmsgbuf, "Ok");
2219 * Validate recipients, count delivery types and errors, and handle aliasing
2220 * FIXME check for dupes!!!!!
2222 struct recptypes *validate_recipients(char *recipients) {
2223 struct recptypes *ret;
2224 char this_recp[SIZ];
2225 char this_recp_cooked[SIZ];
2231 struct usersupp tempUS;
2232 struct quickroom tempQR;
2235 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2236 if (ret == NULL) return(NULL);
2237 memset(ret, 0, sizeof(struct recptypes));
2240 ret->num_internet = 0;
2245 if (recipients == NULL) {
2248 else if (strlen(recipients) == 0) {
2252 /* Change all valid separator characters to commas */
2253 for (i=0; i<strlen(recipients); ++i) {
2254 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2255 recipients[i] = ',';
2260 num_recps = num_tokens(recipients, ',');
2263 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2264 extract_token(this_recp, recipients, i, ',');
2266 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2267 mailtype = alias(this_recp);
2268 mailtype = alias(this_recp);
2269 mailtype = alias(this_recp);
2270 for (j=0; j<=strlen(this_recp); ++j) {
2271 if (this_recp[j]=='_') {
2272 this_recp_cooked[j] = ' ';
2275 this_recp_cooked[j] = this_recp[j];
2281 if (!strcasecmp(this_recp, "sysop")) {
2283 strcpy(this_recp, AIDEROOM);
2284 if (strlen(ret->recp_room) > 0) {
2285 strcat(ret->recp_room, "|");
2287 strcat(ret->recp_room, this_recp);
2289 else if (getuser(&tempUS, this_recp) == 0) {
2291 strcpy(this_recp, tempUS.fullname);
2292 if (strlen(ret->recp_local) > 0) {
2293 strcat(ret->recp_local, "|");
2295 strcat(ret->recp_local, this_recp);
2297 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2299 strcpy(this_recp, tempUS.fullname);
2300 if (strlen(ret->recp_local) > 0) {
2301 strcat(ret->recp_local, "|");
2303 strcat(ret->recp_local, this_recp);
2305 else if ( (!strncasecmp(this_recp, "room_", 5))
2306 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2308 if (strlen(ret->recp_room) > 0) {
2309 strcat(ret->recp_room, "|");
2311 strcat(ret->recp_room, &this_recp_cooked[5]);
2319 ++ret->num_internet;
2320 if (strlen(ret->recp_internet) > 0) {
2321 strcat(ret->recp_internet, "|");
2323 strcat(ret->recp_internet, this_recp);
2327 if (strlen(ret->recp_ignet) > 0) {
2328 strcat(ret->recp_ignet, "|");
2330 strcat(ret->recp_ignet, this_recp);
2338 if (strlen(ret->errormsg) == 0) {
2339 snprintf(append, sizeof append,
2340 "Invalid recipient: %s",
2344 snprintf(append, sizeof append,
2347 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2348 strcat(ret->errormsg, append);
2352 if (strlen(ret->display_recp) == 0) {
2353 strcpy(append, this_recp);
2356 snprintf(append, sizeof append, ", %s",
2359 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2360 strcat(ret->display_recp, append);
2365 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2366 ret->num_room + ret->num_error) == 0) {
2368 strcpy(ret->errormsg, "No recipients specified.");
2371 lprintf(9, "validate_recipients()\n");
2372 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2373 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2374 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2375 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2376 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2384 * message entry - mode 0 (normal)
2386 void cmd_ent0(char *entargs)
2390 char masquerade_as[SIZ];
2392 int format_type = 0;
2393 char newusername[SIZ];
2394 struct CtdlMessage *msg;
2398 struct recptypes *valid = NULL;
2401 post = extract_int(entargs, 0);
2402 extract(recp, entargs, 1);
2403 anon_flag = extract_int(entargs, 2);
2404 format_type = extract_int(entargs, 3);
2405 extract(subject, entargs, 4);
2407 /* first check to make sure the request is valid. */
2409 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2411 cprintf("%d %s\n", err, errmsg);
2415 /* Check some other permission type things. */
2418 if (CC->usersupp.axlevel < 6) {
2419 cprintf("%d You don't have permission to masquerade.\n",
2420 ERROR + HIGHER_ACCESS_REQUIRED);
2423 extract(newusername, entargs, 4);
2424 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2425 safestrncpy(CC->fake_postname, newusername,
2426 sizeof(CC->fake_postname) );
2427 cprintf("%d ok\n", CIT_OK);
2430 CC->cs_flags |= CS_POSTING;
2432 /* In the Mail> room we have to behave a little differently --
2433 * make sure the user has specified at least one recipient. Then
2434 * validate the recipient(s).
2436 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2437 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2439 if (CC->usersupp.axlevel < 2) {
2440 strcpy(recp, "sysop");
2443 valid = validate_recipients(recp);
2444 if (valid->num_error > 0) {
2446 ERROR + NO_SUCH_USER, valid->errormsg);
2451 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2452 && (CC->usersupp.axlevel < 4) ) {
2453 cprintf("%d Higher access required for network mail.\n",
2454 ERROR + HIGHER_ACCESS_REQUIRED);
2459 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2460 && ((CC->usersupp.flags & US_INTERNET) == 0)
2461 && (!CC->internal_pgm)) {
2462 cprintf("%d You don't have access to Internet mail.\n",
2463 ERROR + HIGHER_ACCESS_REQUIRED);
2470 /* Is this a room which has anonymous-only or anonymous-option? */
2471 anonymous = MES_NORMAL;
2472 if (CC->quickroom.QRflags & QR_ANONONLY) {
2473 anonymous = MES_ANONONLY;
2475 if (CC->quickroom.QRflags & QR_ANONOPT) {
2476 if (anon_flag == 1) { /* only if the user requested it */
2477 anonymous = MES_ANONOPT;
2481 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2485 /* If we're only checking the validity of the request, return
2486 * success without creating the message.
2489 cprintf("%d %s\n", CIT_OK,
2490 ((valid != NULL) ? valid->display_recp : "") );
2495 /* Handle author masquerading */
2496 if (CC->fake_postname[0]) {
2497 strcpy(masquerade_as, CC->fake_postname);
2499 else if (CC->fake_username[0]) {
2500 strcpy(masquerade_as, CC->fake_username);
2503 strcpy(masquerade_as, "");
2506 /* Read in the message from the client. */
2507 cprintf("%d send message\n", SEND_LISTING);
2508 msg = make_message(&CC->usersupp, recp,
2509 CC->quickroom.QRname, anonymous, format_type,
2510 masquerade_as, subject);
2513 CtdlSubmitMsg(msg, valid, "");
2514 CtdlFreeMessage(msg);
2516 CC->fake_postname[0] = '\0';
2524 * API function to delete messages which match a set of criteria
2525 * (returns the actual number of messages deleted)
2527 int CtdlDeleteMessages(char *room_name, /* which room */
2528 long dmsgnum, /* or "0" for any */
2529 char *content_type /* or "" for any */
2533 struct quickroom qrbuf;
2534 struct cdbdata *cdbfr;
2535 long *msglist = NULL;
2536 long *dellist = NULL;
2539 int num_deleted = 0;
2541 struct MetaData smi;
2543 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2544 room_name, dmsgnum, content_type);
2546 /* get room record, obtaining a lock... */
2547 if (lgetroom(&qrbuf, room_name) != 0) {
2548 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2550 return (0); /* room not found */
2552 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2554 if (cdbfr != NULL) {
2555 msglist = mallok(cdbfr->len);
2556 dellist = mallok(cdbfr->len);
2557 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2558 num_msgs = cdbfr->len / sizeof(long);
2562 for (i = 0; i < num_msgs; ++i) {
2565 /* Set/clear a bit for each criterion */
2567 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2568 delete_this |= 0x01;
2570 if (strlen(content_type) == 0) {
2571 delete_this |= 0x02;
2573 GetMetaData(&smi, msglist[i]);
2574 if (!strcasecmp(smi.meta_content_type,
2576 delete_this |= 0x02;
2580 /* Delete message only if all bits are set */
2581 if (delete_this == 0x03) {
2582 dellist[num_deleted++] = msglist[i];
2587 num_msgs = sort_msglist(msglist, num_msgs);
2588 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2589 msglist, (num_msgs * sizeof(long)));
2591 qrbuf.QRhighest = msglist[num_msgs - 1];
2595 /* Go through the messages we pulled out of the index, and decrement
2596 * their reference counts by 1. If this is the only room the message
2597 * was in, the reference count will reach zero and the message will
2598 * automatically be deleted from the database. We do this in a
2599 * separate pass because there might be plug-in hooks getting called,
2600 * and we don't want that happening during an S_QUICKROOM critical
2603 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2604 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2605 AdjRefCount(dellist[i], -1);
2608 /* Now free the memory we used, and go away. */
2609 if (msglist != NULL) phree(msglist);
2610 if (dellist != NULL) phree(dellist);
2611 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2612 return (num_deleted);
2618 * Check whether the current user has permission to delete messages from
2619 * the current room (returns 1 for yes, 0 for no)
2621 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2622 getuser(&CC->usersupp, CC->curr_user);
2623 if ((CC->usersupp.axlevel < 6)
2624 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2625 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2626 && (!(CC->internal_pgm))) {
2635 * Delete message from current room
2637 void cmd_dele(char *delstr)
2642 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2643 cprintf("%d Higher access required.\n",
2644 ERROR + HIGHER_ACCESS_REQUIRED);
2647 delnum = extract_long(delstr, 0);
2649 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2652 cprintf("%d %d message%s deleted.\n", CIT_OK,
2653 num_deleted, ((num_deleted != 1) ? "s" : ""));
2655 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2661 * Back end API function for moves and deletes
2663 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2666 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2667 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2668 if (err != 0) return(err);
2676 * move or copy a message to another room
2678 void cmd_move(char *args)
2682 struct quickroom qtemp;
2686 num = extract_long(args, 0);
2687 extract(targ, args, 1);
2688 targ[ROOMNAMELEN - 1] = 0;
2689 is_copy = extract_int(args, 2);
2691 if (getroom(&qtemp, targ) != 0) {
2692 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2696 getuser(&CC->usersupp, CC->curr_user);
2697 /* Aides can move/copy */
2698 if ((CC->usersupp.axlevel < 6)
2699 /* Roomaides can move/copy */
2700 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2701 /* Permit move/copy to/from personal rooms */
2702 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2703 && (qtemp.QRflags & QR_MAILBOX)))
2704 /* Permit only copy from public to personal room */
2705 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2706 && (qtemp.QRflags & QR_MAILBOX)))) {
2707 cprintf("%d Higher access required.\n",
2708 ERROR + HIGHER_ACCESS_REQUIRED);
2712 err = CtdlCopyMsgToRoom(num, targ);
2714 cprintf("%d Cannot store message in %s: error %d\n",
2719 /* Now delete the message from the source room,
2720 * if this is a 'move' rather than a 'copy' operation.
2723 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2726 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2732 * GetMetaData() - Get the supplementary record for a message
2734 void GetMetaData(struct MetaData *smibuf, long msgnum)
2737 struct cdbdata *cdbsmi;
2740 memset(smibuf, 0, sizeof(struct MetaData));
2741 smibuf->meta_msgnum = msgnum;
2742 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2744 /* Use the negative of the message number for its supp record index */
2745 TheIndex = (0L - msgnum);
2747 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2748 if (cdbsmi == NULL) {
2749 return; /* record not found; go with defaults */
2751 memcpy(smibuf, cdbsmi->ptr,
2752 ((cdbsmi->len > sizeof(struct MetaData)) ?
2753 sizeof(struct MetaData) : cdbsmi->len));
2760 * PutMetaData() - (re)write supplementary record for a message
2762 void PutMetaData(struct MetaData *smibuf)
2766 /* Use the negative of the message number for the metadata db index */
2767 TheIndex = (0L - smibuf->meta_msgnum);
2769 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2770 smibuf->meta_msgnum, smibuf->meta_refcount);
2772 cdb_store(CDB_MSGMAIN,
2773 &TheIndex, sizeof(long),
2774 smibuf, sizeof(struct MetaData));
2779 * AdjRefCount - change the reference count for a message;
2780 * delete the message if it reaches zero
2782 void AdjRefCount(long msgnum, int incr)
2785 struct MetaData smi;
2788 /* This is a *tight* critical section; please keep it that way, as
2789 * it may get called while nested in other critical sections.
2790 * Complicating this any further will surely cause deadlock!
2792 begin_critical_section(S_SUPPMSGMAIN);
2793 GetMetaData(&smi, msgnum);
2794 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2795 msgnum, smi.meta_refcount);
2796 smi.meta_refcount += incr;
2798 end_critical_section(S_SUPPMSGMAIN);
2799 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2800 msgnum, smi.meta_refcount);
2802 /* If the reference count is now zero, delete the message
2803 * (and its supplementary record as well).
2805 if (smi.meta_refcount == 0) {
2806 lprintf(9, "Deleting message <%ld>\n", msgnum);
2808 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2810 /* We have to delete the metadata record too! */
2811 delnum = (0L - msgnum);
2812 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2817 * Write a generic object to this room
2819 * Note: this could be much more efficient. Right now we use two temporary
2820 * files, and still pull the message into memory as with all others.
2822 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2823 char *content_type, /* MIME type of this object */
2824 char *tempfilename, /* Where to fetch it from */
2825 struct usersupp *is_mailbox, /* Mailbox room? */
2826 int is_binary, /* Is encoding necessary? */
2827 int is_unique, /* Del others of this type? */
2828 unsigned int flags /* Internal save flags */
2833 char filename[PATH_MAX];
2836 struct quickroom qrbuf;
2837 char roomname[ROOMNAMELEN];
2838 struct CtdlMessage *msg;
2841 if (is_mailbox != NULL)
2842 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
2844 safestrncpy(roomname, req_room, sizeof(roomname));
2845 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2847 strcpy(filename, tmpnam(NULL));
2848 fp = fopen(filename, "w");
2852 tempfp = fopen(tempfilename, "r");
2853 if (tempfp == NULL) {
2859 fprintf(fp, "Content-type: %s\n", content_type);
2860 lprintf(9, "Content-type: %s\n", content_type);
2862 if (is_binary == 0) {
2863 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2864 while (ch = getc(tempfp), ch > 0)
2870 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2873 snprintf(cmdbuf, sizeof cmdbuf, "./base64 -e <%s >>%s",
2874 tempfilename, filename);
2878 lprintf(9, "Allocating\n");
2879 msg = mallok(sizeof(struct CtdlMessage));
2880 memset(msg, 0, sizeof(struct CtdlMessage));
2881 msg->cm_magic = CTDLMESSAGE_MAGIC;
2882 msg->cm_anon_type = MES_NORMAL;
2883 msg->cm_format_type = 4;
2884 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2885 msg->cm_fields['O'] = strdoop(req_room);
2886 msg->cm_fields['N'] = strdoop(config.c_nodename);
2887 msg->cm_fields['H'] = strdoop(config.c_humannode);
2888 msg->cm_flags = flags;
2890 lprintf(9, "Loading\n");
2891 fp = fopen(filename, "rb");
2892 fseek(fp, 0L, SEEK_END);
2895 msg->cm_fields['M'] = mallok(len);
2896 fread(msg->cm_fields['M'], len, 1, fp);
2900 /* Create the requested room if we have to. */
2901 if (getroom(&qrbuf, roomname) != 0) {
2902 create_room(roomname,
2903 ( (is_mailbox != NULL) ? 5 : 3 ),
2906 /* If the caller specified this object as unique, delete all
2907 * other objects of this type that are currently in the room.
2910 lprintf(9, "Deleted %d other msgs of this type\n",
2911 CtdlDeleteMessages(roomname, 0L, content_type));
2913 /* Now write the data */
2914 CtdlSubmitMsg(msg, NULL, roomname);
2915 CtdlFreeMessage(msg);
2923 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
2924 config_msgnum = msgnum;
2928 char *CtdlGetSysConfig(char *sysconfname) {
2929 char hold_rm[ROOMNAMELEN];
2932 struct CtdlMessage *msg;
2935 strcpy(hold_rm, CC->quickroom.QRname);
2936 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
2937 getroom(&CC->quickroom, hold_rm);
2942 /* We want the last (and probably only) config in this room */
2943 begin_critical_section(S_CONFIG);
2944 config_msgnum = (-1L);
2945 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
2946 CtdlGetSysConfigBackend, NULL);
2947 msgnum = config_msgnum;
2948 end_critical_section(S_CONFIG);
2954 msg = CtdlFetchMessage(msgnum);
2956 conf = strdoop(msg->cm_fields['M']);
2957 CtdlFreeMessage(msg);
2964 getroom(&CC->quickroom, hold_rm);
2966 if (conf != NULL) do {
2967 extract_token(buf, conf, 0, '\n');
2968 strcpy(conf, &conf[strlen(buf)+1]);
2969 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
2974 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
2975 char temp[PATH_MAX];
2978 strcpy(temp, tmpnam(NULL));
2980 fp = fopen(temp, "w");
2981 if (fp == NULL) return;
2982 fprintf(fp, "%s", sysconfdata);
2985 /* this handy API function does all the work for us */
2986 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);