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)) ) {
339 if ( (strlen(newseen) + 20) > SIZ) {
340 strcpy(newseen, &newseen[20]);
343 if (strlen(newseen) > 0) strcat(newseen, ",");
345 sprintf(&newseen[strlen(newseen)], "%ld", lo);
348 sprintf(&newseen[strlen(newseen)], "%ld:%ld",
357 safestrncpy(vbuf.v_seen, newseen, SIZ);
358 lprintf(9, " after optimize: %s\n", vbuf.v_seen);
360 CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
365 * API function to perform an operation for each qualifying message in the
366 * current room. (Returns the number of messages processed.)
368 int CtdlForEachMessage(int mode, long ref,
369 int moderation_level,
371 struct CtdlMessage *compare,
372 void (*CallBack) (long, void *),
378 struct cdbdata *cdbfr;
379 long *msglist = NULL;
381 int num_processed = 0;
384 struct CtdlMessage *msg;
387 int printed_lastold = 0;
389 /* Learn about the user and room in question */
391 getuser(&CC->usersupp, CC->curr_user);
392 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
394 /* Load the message list */
395 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
397 msglist = mallok(cdbfr->len);
398 memcpy(msglist, cdbfr->ptr, cdbfr->len);
399 num_msgs = cdbfr->len / sizeof(long);
402 return 0; /* No messages at all? No further action. */
407 * Now begin the traversal.
409 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
410 GetMetaData(&smi, msglist[a]);
412 /* Filter out messages that are moderated below the level
413 * currently being viewed at.
415 if (smi.meta_mod < moderation_level) {
419 /* If the caller is looking for a specific MIME type, filter
420 * out all messages which are not of the type requested.
422 if (content_type != NULL) if (strlen(content_type) > 0) {
423 if (strcasecmp(smi.meta_content_type, content_type)) {
429 num_msgs = sort_msglist(msglist, num_msgs);
431 /* If a template was supplied, filter out the messages which
432 * don't match. (This could induce some delays!)
435 if (compare != NULL) {
436 for (a = 0; a < num_msgs; ++a) {
437 msg = CtdlFetchMessage(msglist[a]);
439 if (CtdlMsgCmp(msg, compare)) {
442 CtdlFreeMessage(msg);
450 * Now iterate through the message list, according to the
451 * criteria supplied by the caller.
454 for (a = 0; a < num_msgs; ++a) {
455 thismsg = msglist[a];
456 is_seen = is_msg_in_mset(vbuf.v_seen, thismsg);
457 if (is_seen) lastold = thismsg;
462 || ((mode == MSGS_OLD) && (is_seen))
463 || ((mode == MSGS_NEW) && (!is_seen))
464 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
465 || ((mode == MSGS_FIRST) && (a < ref))
466 || ((mode == MSGS_GT) && (thismsg > ref))
467 || ((mode == MSGS_EQ) && (thismsg == ref))
470 if ((mode == MSGS_NEW) && (CC->usersupp.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
472 CallBack(lastold, userdata);
476 if (CallBack) CallBack(thismsg, userdata);
480 phree(msglist); /* Clean up */
481 return num_processed;
487 * cmd_msgs() - get list of message #'s in this room
488 * implements the MSGS server command using CtdlForEachMessage()
490 void cmd_msgs(char *cmdbuf)
499 int with_template = 0;
500 struct CtdlMessage *template = NULL;
502 extract(which, cmdbuf, 0);
503 cm_ref = extract_int(cmdbuf, 1);
504 with_template = extract_int(cmdbuf, 2);
508 if (!strncasecmp(which, "OLD", 3))
510 else if (!strncasecmp(which, "NEW", 3))
512 else if (!strncasecmp(which, "FIRST", 5))
514 else if (!strncasecmp(which, "LAST", 4))
516 else if (!strncasecmp(which, "GT", 2))
519 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
520 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
525 cprintf("%d Send template then receive message list\n",
527 template = (struct CtdlMessage *)
528 mallok(sizeof(struct CtdlMessage));
529 memset(template, 0, sizeof(struct CtdlMessage));
530 while(client_gets(buf), strcmp(buf,"000")) {
531 extract(tfield, buf, 0);
532 extract(tvalue, buf, 1);
533 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
534 if (!strcasecmp(tfield, msgkeys[i])) {
535 template->cm_fields[i] =
542 cprintf("%d Message list...\n", LISTING_FOLLOWS);
545 CtdlForEachMessage(mode, cm_ref,
546 CC->usersupp.moderation_filter,
547 NULL, template, simple_listing, NULL);
548 if (template != NULL) CtdlFreeMessage(template);
556 * help_subst() - support routine for help file viewer
558 void help_subst(char *strbuf, char *source, char *dest)
563 while (p = pattern2(strbuf, source), (p >= 0)) {
564 strcpy(workbuf, &strbuf[p + strlen(source)]);
565 strcpy(&strbuf[p], dest);
566 strcat(strbuf, workbuf);
571 void do_help_subst(char *buffer)
575 help_subst(buffer, "^nodename", config.c_nodename);
576 help_subst(buffer, "^humannode", config.c_humannode);
577 help_subst(buffer, "^fqdn", config.c_fqdn);
578 help_subst(buffer, "^username", CC->usersupp.fullname);
579 sprintf(buf2, "%ld", CC->usersupp.usernum);
580 help_subst(buffer, "^usernum", buf2);
581 help_subst(buffer, "^sysadm", config.c_sysadm);
582 help_subst(buffer, "^variantname", CITADEL);
583 sprintf(buf2, "%d", config.c_maxsessions);
584 help_subst(buffer, "^maxsessions", buf2);
590 * memfmout() - Citadel text formatter and paginator.
591 * Although the original purpose of this routine was to format
592 * text to the reader's screen width, all we're really using it
593 * for here is to format text out to 80 columns before sending it
594 * to the client. The client software may reformat it again.
597 int width, /* screen width to use */
598 char *mptr, /* where are we going to get our text from? */
599 char subst, /* nonzero if we should do substitutions */
600 char *nl) /* string to terminate lines with */
612 c = 1; /* c is the current pos */
616 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
618 buffer[strlen(buffer) + 1] = 0;
619 buffer[strlen(buffer)] = ch;
622 if (buffer[0] == '^')
623 do_help_subst(buffer);
625 buffer[strlen(buffer) + 1] = 0;
627 strcpy(buffer, &buffer[1]);
635 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
637 if (((old == 13) || (old == 10)) && (isspace(real))) {
645 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
646 cprintf("%s%s", nl, aaa);
655 if ((strlen(aaa) + c) > (width - 5)) {
664 if ((ch == 13) || (ch == 10)) {
665 cprintf("%s%s", aaa, nl);
672 cprintf("%s%s", aaa, nl);
678 * Callback function for mime parser that simply lists the part
680 void list_this_part(char *name, char *filename, char *partnum, char *disp,
681 void *content, char *cbtype, size_t length, char *encoding,
685 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
686 name, filename, partnum, disp, cbtype, (long)length);
691 * Callback function for mime parser that opens a section for downloading
693 void mime_download(char *name, char *filename, char *partnum, char *disp,
694 void *content, char *cbtype, size_t length, char *encoding,
698 /* Silently go away if there's already a download open... */
699 if (CC->download_fp != NULL)
702 /* ...or if this is not the desired section */
703 if (strcasecmp(desired_section, partnum))
706 CC->download_fp = tmpfile();
707 if (CC->download_fp == NULL)
710 fwrite(content, length, 1, CC->download_fp);
711 fflush(CC->download_fp);
712 rewind(CC->download_fp);
714 OpenCmdResult(filename, cbtype);
720 * Load a message from disk into memory.
721 * This is used by CtdlOutputMsg() and other fetch functions.
723 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
724 * using the CtdlMessageFree() function.
726 struct CtdlMessage *CtdlFetchMessage(long msgnum)
728 struct cdbdata *dmsgtext;
729 struct CtdlMessage *ret = NULL;
732 CIT_UBYTE field_header;
735 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
736 if (dmsgtext == NULL) {
739 mptr = dmsgtext->ptr;
741 /* Parse the three bytes that begin EVERY message on disk.
742 * The first is always 0xFF, the on-disk magic number.
743 * The second is the anonymous/public type byte.
744 * The third is the format type byte (vari, fixed, or MIME).
748 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
752 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
753 memset(ret, 0, sizeof(struct CtdlMessage));
755 ret->cm_magic = CTDLMESSAGE_MAGIC;
756 ret->cm_anon_type = *mptr++; /* Anon type byte */
757 ret->cm_format_type = *mptr++; /* Format type byte */
760 * The rest is zero or more arbitrary fields. Load them in.
761 * We're done when we encounter either a zero-length field or
762 * have just processed the 'M' (message text) field.
765 field_length = strlen(mptr);
766 if (field_length == 0)
768 field_header = *mptr++;
769 ret->cm_fields[field_header] = mallok(field_length);
770 strcpy(ret->cm_fields[field_header], mptr);
772 while (*mptr++ != 0); /* advance to next field */
774 } while ((field_length > 0) && (field_header != 'M'));
778 /* Always make sure there's something in the msg text field */
779 if (ret->cm_fields['M'] == NULL)
780 ret->cm_fields['M'] = strdoop("<no text>\n");
782 /* Perform "before read" hooks (aborting if any return nonzero) */
783 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
784 CtdlFreeMessage(ret);
793 * Returns 1 if the supplied pointer points to a valid Citadel message.
794 * If the pointer is NULL or the magic number check fails, returns 0.
796 int is_valid_message(struct CtdlMessage *msg) {
799 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
800 lprintf(3, "is_valid_message() -- self-check failed\n");
808 * 'Destructor' for struct CtdlMessage
810 void CtdlFreeMessage(struct CtdlMessage *msg)
814 if (is_valid_message(msg) == 0) return;
816 for (i = 0; i < 256; ++i)
817 if (msg->cm_fields[i] != NULL) {
818 phree(msg->cm_fields[i]);
821 msg->cm_magic = 0; /* just in case */
827 * Pre callback function for multipart/alternative
829 * NOTE: this differs from the standard behavior for a reason. Normally when
830 * displaying multipart/alternative you want to show the _last_ usable
831 * format in the message. Here we show the _first_ one, because it's
832 * usually text/plain. Since this set of functions is designed for text
833 * output to non-MIME-aware clients, this is the desired behavior.
836 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
837 void *content, char *cbtype, size_t length, char *encoding,
840 lprintf(9, "fixed_output_pre() type=<%s>\n", cbtype);
841 if (!strcasecmp(cbtype, "multipart/alternative")) {
849 * Post callback function for multipart/alternative
851 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
852 void *content, char *cbtype, size_t length, char *encoding,
855 lprintf(9, "fixed_output_post() type=<%s>\n", cbtype);
856 if (!strcasecmp(cbtype, "multipart/alternative")) {
864 * Inline callback function for mime parser that wants to display text
866 void fixed_output(char *name, char *filename, char *partnum, char *disp,
867 void *content, char *cbtype, size_t length, char *encoding,
875 lprintf(9, "fixed_output() type=<%s>\n", cbtype);
878 * If we're in the middle of a multipart/alternative scope and
879 * we've already printed another section, skip this one.
881 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
882 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
887 if ( (!strcasecmp(cbtype, "text/plain"))
888 || (strlen(cbtype)==0) ) {
894 if (ch==10) cprintf("\r\n");
895 else cprintf("%c", ch);
899 if (ch != '\n') cprintf("\n");
901 else if (!strcasecmp(cbtype, "text/html")) {
902 ptr = html_to_ascii(content, 80, 0);
907 if (ch==10) cprintf("\r\n");
908 else cprintf("%c", ch);
912 else if (strncasecmp(cbtype, "multipart/", 10)) {
913 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
914 partnum, filename, cbtype, (long)length);
920 * Get a message off disk. (returns om_* values found in msgbase.h)
923 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
924 int mode, /* how would you like that message? */
925 int headers_only, /* eschew the message body? */
926 int do_proto, /* do Citadel protocol responses? */
927 int crlf /* Use CRLF newlines instead of LF? */
929 struct CtdlMessage *TheMessage;
932 lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
937 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
938 if (do_proto) cprintf("%d Not logged in.\n",
939 ERROR + NOT_LOGGED_IN);
940 return(om_not_logged_in);
943 /* FIXME ... small security issue
944 * We need to check to make sure the requested message is actually
945 * in the current room, and set msg_ok to 1 only if it is. This
946 * functionality is currently missing because I'm in a hurry to replace
947 * broken production code with nonbroken pre-beta code. :( -- ajc
950 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
952 return(om_no_such_msg);
957 * Fetch the message from disk
959 TheMessage = CtdlFetchMessage(msg_num);
960 if (TheMessage == NULL) {
961 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
963 return(om_no_such_msg);
966 retcode = CtdlOutputPreLoadedMsg(
967 TheMessage, msg_num, mode,
968 headers_only, do_proto, crlf);
970 CtdlFreeMessage(TheMessage);
976 * Get a message off disk. (returns om_* values found in msgbase.h)
979 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
981 int mode, /* how would you like that message? */
982 int headers_only, /* eschew the message body? */
983 int do_proto, /* do Citadel protocol responses? */
984 int crlf /* Use CRLF newlines instead of LF? */
990 char display_name[SIZ];
992 char *nl; /* newline string */
995 /* buffers needed for RFC822 translation */
1002 char datestamp[SIZ];
1005 sprintf(mid, "%ld", msg_num);
1006 nl = (crlf ? "\r\n" : "\n");
1008 if (!is_valid_message(TheMessage)) {
1009 lprintf(1, "ERROR: invalid preloaded message for output\n");
1010 return(om_no_such_msg);
1013 /* Are we downloading a MIME component? */
1014 if (mode == MT_DOWNLOAD) {
1015 if (TheMessage->cm_format_type != FMT_RFC822) {
1017 cprintf("%d This is not a MIME message.\n",
1019 } else if (CC->download_fp != NULL) {
1020 if (do_proto) cprintf(
1021 "%d You already have a download open.\n",
1024 /* Parse the message text component */
1025 mptr = TheMessage->cm_fields['M'];
1026 mime_parser(mptr, NULL,
1027 *mime_download, NULL, NULL,
1029 /* If there's no file open by this time, the requested
1030 * section wasn't found, so print an error
1032 if (CC->download_fp == NULL) {
1033 if (do_proto) cprintf(
1034 "%d Section %s not found.\n",
1035 ERROR + FILE_NOT_FOUND,
1039 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1042 /* now for the user-mode message reading loops */
1043 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1045 /* Tell the client which format type we're using. If this is a
1046 * MIME message, *lie* about it and tell the user it's fixed-format.
1048 if (mode == MT_CITADEL) {
1049 if (TheMessage->cm_format_type == FMT_RFC822) {
1050 if (do_proto) cprintf("type=1\n");
1053 if (do_proto) cprintf("type=%d\n",
1054 TheMessage->cm_format_type);
1058 /* nhdr=yes means that we're only displaying headers, no body */
1059 if ((TheMessage->cm_anon_type == MES_ANONONLY) && (mode == MT_CITADEL)) {
1060 if (do_proto) cprintf("nhdr=yes\n");
1063 /* begin header processing loop for Citadel message format */
1065 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1067 strcpy(display_name, "<unknown>");
1068 if (TheMessage->cm_fields['A']) {
1069 strcpy(buf, TheMessage->cm_fields['A']);
1070 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1071 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1072 strcpy(display_name, "****");
1074 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1075 strcpy(display_name, "anonymous");
1078 strcpy(display_name, buf);
1080 if ((is_room_aide())
1081 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1082 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1083 sprintf(&display_name[strlen(display_name)],
1088 /* Don't show Internet address for users on the
1089 * local Citadel network.
1092 if (TheMessage->cm_fields['N'] != NULL)
1093 if (strlen(TheMessage->cm_fields['N']) > 0)
1094 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1098 /* Now spew the header fields in the order we like them. */
1099 strcpy(allkeys, FORDER);
1100 for (i=0; i<strlen(allkeys); ++i) {
1101 k = (int) allkeys[i];
1103 if ( (TheMessage->cm_fields[k] != NULL)
1104 && (msgkeys[k] != NULL) ) {
1106 if (do_proto) cprintf("%s=%s\n",
1110 else if ((k == 'F') && (suppress_f)) {
1113 /* Masquerade display name if needed */
1115 if (do_proto) cprintf("%s=%s\n",
1117 TheMessage->cm_fields[k]
1126 /* begin header processing loop for RFC822 transfer format */
1131 strcpy(snode, NODENAME);
1132 strcpy(lnode, HUMANNODE);
1133 if (mode == MT_RFC822) {
1134 cprintf("X-UIDL: %ld%s", msg_num, nl);
1135 for (i = 0; i < 256; ++i) {
1136 if (TheMessage->cm_fields[i]) {
1137 mptr = TheMessage->cm_fields[i];
1140 strcpy(luser, mptr);
1141 strcpy(suser, mptr);
1144 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1145 into thinking that mail messages are newsgroup messages instead. When we
1146 add NNTP support back into Citadel we'll have to add code to only output
1147 this field when appropriate.
1148 else if (i == 'P') {
1149 cprintf("Path: %s%s", mptr, nl);
1153 cprintf("Subject: %s%s", mptr, nl);
1155 safestrncpy(mid, mptr, sizeof mid);
1157 safestrncpy(lnode, mptr, sizeof lnode);
1159 safestrncpy(fuser, mptr, sizeof fuser);
1161 cprintf("X-Citadel-Room: %s%s",
1164 safestrncpy(snode, mptr, sizeof snode);
1166 cprintf("To: %s%s", mptr, nl);
1167 else if (i == 'T') {
1168 datestring(datestamp, sizeof datestamp, atol(mptr),
1169 DATESTRING_RFC822 );
1170 cprintf("Date: %s%s", datestamp, nl);
1176 for (i=0; i<strlen(suser); ++i) {
1177 suser[i] = tolower(suser[i]);
1178 if (!isalnum(suser[i])) suser[i]='_';
1181 if (mode == MT_RFC822) {
1182 if (!strcasecmp(snode, NODENAME)) {
1183 strcpy(snode, FQDN);
1186 /* Construct a fun message id */
1187 cprintf("Message-ID: <%s", mid);
1188 if (strchr(mid, '@')==NULL) {
1189 cprintf("@%s", snode);
1193 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1195 if (strlen(fuser) > 0) {
1196 cprintf("From: %s (%s)%s", fuser, luser, nl);
1199 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1202 cprintf("Organization: %s%s", lnode, nl);
1205 /* end header processing loop ... at this point, we're in the text */
1207 mptr = TheMessage->cm_fields['M'];
1209 /* Tell the client about the MIME parts in this message */
1210 if (TheMessage->cm_format_type == FMT_RFC822) {
1211 if (mode == MT_CITADEL) {
1212 mime_parser(mptr, NULL,
1213 *list_this_part, NULL, NULL,
1216 else if (mode == MT_MIME) { /* list parts only */
1217 mime_parser(mptr, NULL,
1218 *list_this_part, NULL, NULL,
1220 if (do_proto) cprintf("000\n");
1223 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1224 /* FIXME ... we have to put some code in here to avoid
1225 * printing duplicate header information when both
1226 * Citadel and RFC822 headers exist. Preference should
1227 * probably be given to the RFC822 headers.
1229 while (ch=*(mptr++), ch!=0) {
1231 else if (ch==10) cprintf("%s", nl);
1232 else cprintf("%c", ch);
1234 if (do_proto) cprintf("000\n");
1240 if (do_proto) cprintf("000\n");
1244 /* signify start of msg text */
1245 if (mode == MT_CITADEL)
1246 if (do_proto) cprintf("text\n");
1247 if (mode == MT_RFC822) {
1248 if (TheMessage->cm_fields['U'] == NULL) {
1249 cprintf("Subject: (no subject)%s", nl);
1254 /* If the format type on disk is 1 (fixed-format), then we want
1255 * everything to be output completely literally ... regardless of
1256 * what message transfer format is in use.
1258 if (TheMessage->cm_format_type == FMT_FIXED) {
1260 while (ch = *mptr++, ch > 0) {
1263 if ((ch == 10) || (strlen(buf) > 250)) {
1264 cprintf("%s%s", buf, nl);
1267 buf[strlen(buf) + 1] = 0;
1268 buf[strlen(buf)] = ch;
1271 if (strlen(buf) > 0)
1272 cprintf("%s%s", buf, nl);
1275 /* If the message on disk is format 0 (Citadel vari-format), we
1276 * output using the formatter at 80 columns. This is the final output
1277 * form if the transfer format is RFC822, but if the transfer format
1278 * is Citadel proprietary, it'll still work, because the indentation
1279 * for new paragraphs is correct and the client will reformat the
1280 * message to the reader's screen width.
1282 if (TheMessage->cm_format_type == FMT_CITADEL) {
1283 memfmout(80, mptr, 0, nl);
1286 /* If the message on disk is format 4 (MIME), we've gotta hand it
1287 * off to the MIME parser. The client has already been told that
1288 * this message is format 1 (fixed format), so the callback function
1289 * we use will display those parts as-is.
1291 if (TheMessage->cm_format_type == FMT_RFC822) {
1292 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1293 memset(ma, 0, sizeof(struct ma_info));
1294 mime_parser(mptr, NULL,
1295 *fixed_output, *fixed_output_pre, *fixed_output_post,
1299 /* now we're done */
1300 if (do_proto) cprintf("000\n");
1307 * display a message (mode 0 - Citadel proprietary)
1309 void cmd_msg0(char *cmdbuf)
1312 int headers_only = 0;
1314 msgid = extract_long(cmdbuf, 0);
1315 headers_only = extract_int(cmdbuf, 1);
1317 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1323 * display a message (mode 2 - RFC822)
1325 void cmd_msg2(char *cmdbuf)
1328 int headers_only = 0;
1330 msgid = extract_long(cmdbuf, 0);
1331 headers_only = extract_int(cmdbuf, 1);
1333 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1339 * display a message (mode 3 - IGnet raw format - internal programs only)
1341 void cmd_msg3(char *cmdbuf)
1344 struct CtdlMessage *msg;
1347 if (CC->internal_pgm == 0) {
1348 cprintf("%d This command is for internal programs only.\n",
1353 msgnum = extract_long(cmdbuf, 0);
1354 msg = CtdlFetchMessage(msgnum);
1356 cprintf("%d Message %ld not found.\n",
1361 serialize_message(&smr, msg);
1362 CtdlFreeMessage(msg);
1365 cprintf("%d Unable to serialize message\n",
1366 ERROR+INTERNAL_ERROR);
1370 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1371 client_write(smr.ser, smr.len);
1378 * display a message (mode 4 - MIME) (FIXME ... still evolving, not complete)
1380 void cmd_msg4(char *cmdbuf)
1384 msgid = extract_long(cmdbuf, 0);
1385 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1389 * Open a component of a MIME message as a download file
1391 void cmd_opna(char *cmdbuf)
1395 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1397 msgid = extract_long(cmdbuf, 0);
1398 extract(desired_section, cmdbuf, 1);
1400 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1405 * Save a message pointer into a specified room
1406 * (Returns 0 for success, nonzero for failure)
1407 * roomname may be NULL to use the current room
1409 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1411 char hold_rm[ROOMNAMELEN];
1412 struct cdbdata *cdbfr;
1415 long highest_msg = 0L;
1416 struct CtdlMessage *msg = NULL;
1418 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1419 roomname, msgid, flags);
1421 strcpy(hold_rm, CC->quickroom.QRname);
1423 /* We may need to check to see if this message is real */
1424 if ( (flags & SM_VERIFY_GOODNESS)
1425 || (flags & SM_DO_REPL_CHECK)
1427 msg = CtdlFetchMessage(msgid);
1428 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1431 /* Perform replication checks if necessary */
1432 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1434 if (getroom(&CC->quickroom,
1435 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1437 lprintf(9, "No such room <%s>\n", roomname);
1438 if (msg != NULL) CtdlFreeMessage(msg);
1439 return(ERROR + ROOM_NOT_FOUND);
1442 if (ReplicationChecks(msg) != 0) {
1443 getroom(&CC->quickroom, hold_rm);
1444 if (msg != NULL) CtdlFreeMessage(msg);
1445 lprintf(9, "Did replication, and newer exists\n");
1450 /* Now the regular stuff */
1451 if (lgetroom(&CC->quickroom,
1452 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1454 lprintf(9, "No such room <%s>\n", roomname);
1455 if (msg != NULL) CtdlFreeMessage(msg);
1456 return(ERROR + ROOM_NOT_FOUND);
1459 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1460 if (cdbfr == NULL) {
1464 msglist = mallok(cdbfr->len);
1465 if (msglist == NULL)
1466 lprintf(3, "ERROR malloc msglist!\n");
1467 num_msgs = cdbfr->len / sizeof(long);
1468 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1473 /* Make sure the message doesn't already exist in this room. It
1474 * is absolutely taboo to have more than one reference to the same
1475 * message in a room.
1477 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1478 if (msglist[i] == msgid) {
1479 lputroom(&CC->quickroom); /* unlock the room */
1480 getroom(&CC->quickroom, hold_rm);
1481 if (msg != NULL) CtdlFreeMessage(msg);
1482 return(ERROR + ALREADY_EXISTS);
1486 /* Now add the new message */
1488 msglist = reallok(msglist,
1489 (num_msgs * sizeof(long)));
1491 if (msglist == NULL) {
1492 lprintf(3, "ERROR: can't realloc message list!\n");
1494 msglist[num_msgs - 1] = msgid;
1496 /* Sort the message list, so all the msgid's are in order */
1497 num_msgs = sort_msglist(msglist, num_msgs);
1499 /* Determine the highest message number */
1500 highest_msg = msglist[num_msgs - 1];
1502 /* Write it back to disk. */
1503 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1504 msglist, num_msgs * sizeof(long));
1506 /* Free up the memory we used. */
1509 /* Update the highest-message pointer and unlock the room. */
1510 CC->quickroom.QRhighest = highest_msg;
1511 lputroom(&CC->quickroom);
1512 getroom(&CC->quickroom, hold_rm);
1514 /* Bump the reference count for this message. */
1515 if ((flags & SM_DONT_BUMP_REF)==0) {
1516 AdjRefCount(msgid, +1);
1519 /* Return success. */
1520 if (msg != NULL) CtdlFreeMessage(msg);
1527 * Message base operation to send a message to the master file
1528 * (returns new message number)
1530 * This is the back end for CtdlSubmitMsg() and should not be directly
1531 * called by server-side modules.
1534 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1535 FILE *save_a_copy) /* save a copy to disk? */
1542 /* Get a new message number */
1543 newmsgid = get_new_message_number();
1544 sprintf(msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1546 /* Generate an ID if we don't have one already */
1547 if (msg->cm_fields['I']==NULL) {
1548 msg->cm_fields['I'] = strdoop(msgidbuf);
1551 serialize_message(&smr, msg);
1554 cprintf("%d Unable to serialize message\n",
1555 ERROR+INTERNAL_ERROR);
1559 /* Write our little bundle of joy into the message base */
1560 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1561 smr.ser, smr.len) < 0) {
1562 lprintf(2, "Can't store message\n");
1568 /* If the caller specified that a copy should be saved to a particular
1569 * file handle, do that now too.
1571 if (save_a_copy != NULL) {
1572 fwrite(smr.ser, smr.len, 1, save_a_copy);
1575 /* Free the memory we used for the serialized message */
1578 /* Return the *local* message ID to the caller
1579 * (even if we're storing an incoming network message)
1587 * Serialize a struct CtdlMessage into the format used on disk and network.
1589 * This function loads up a "struct ser_ret" (defined in server.h) which
1590 * contains the length of the serialized message and a pointer to the
1591 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1593 void serialize_message(struct ser_ret *ret, /* return values */
1594 struct CtdlMessage *msg) /* unserialized msg */
1598 static char *forder = FORDER;
1600 if (is_valid_message(msg) == 0) return; /* self check */
1603 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1604 ret->len = ret->len +
1605 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1607 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1608 ret->ser = mallok(ret->len);
1609 if (ret->ser == NULL) {
1615 ret->ser[1] = msg->cm_anon_type;
1616 ret->ser[2] = msg->cm_format_type;
1619 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1620 ret->ser[wlen++] = (char)forder[i];
1621 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1622 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1624 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1625 (long)ret->len, (long)wlen);
1633 * Back end for the ReplicationChecks() function
1635 void check_repl(long msgnum, void *userdata) {
1636 struct CtdlMessage *msg;
1637 time_t timestamp = (-1L);
1639 lprintf(9, "check_repl() found message %ld\n", msgnum);
1640 msg = CtdlFetchMessage(msgnum);
1641 if (msg == NULL) return;
1642 if (msg->cm_fields['T'] != NULL) {
1643 timestamp = atol(msg->cm_fields['T']);
1645 CtdlFreeMessage(msg);
1647 if (timestamp > msg_repl->highest) {
1648 msg_repl->highest = timestamp; /* newer! */
1649 lprintf(9, "newer!\n");
1652 lprintf(9, "older!\n");
1654 /* Existing isn't newer? Then delete the old one(s). */
1655 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1660 * Check to see if any messages already exist which carry the same Extended ID
1664 * -> With older timestamps: delete them and return 0. Message will be saved.
1665 * -> With newer timestamps: return 1. Message save will be aborted.
1667 int ReplicationChecks(struct CtdlMessage *msg) {
1668 struct CtdlMessage *template;
1671 lprintf(9, "ReplicationChecks() started\n");
1672 /* No extended id? Don't do anything. */
1673 if (msg->cm_fields['E'] == NULL) return 0;
1674 if (strlen(msg->cm_fields['E']) == 0) return 0;
1675 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1677 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1678 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1679 msg_repl->highest = atol(msg->cm_fields['T']);
1681 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1682 memset(template, 0, sizeof(struct CtdlMessage));
1683 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1685 CtdlForEachMessage(MSGS_ALL, 0L, (-127), NULL, template,
1688 /* If a newer message exists with the same Extended ID, abort
1691 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1695 CtdlFreeMessage(template);
1696 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1704 * Save a message to disk and submit it into the delivery system.
1706 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1707 struct recptypes *recps, /* recipients (if mail) */
1708 char *force /* force a particular room? */
1711 char hold_rm[ROOMNAMELEN];
1712 char actual_rm[ROOMNAMELEN];
1713 char force_room[ROOMNAMELEN];
1714 char content_type[SIZ]; /* We have to learn this */
1715 char recipient[SIZ];
1718 struct usersupp userbuf;
1720 struct MetaData smi;
1721 FILE *network_fp = NULL;
1722 static int seqnum = 1;
1723 struct CtdlMessage *imsg = NULL;
1726 char *hold_R, *hold_D;
1728 lprintf(9, "CtdlSubmitMsg() called\n");
1729 if (is_valid_message(msg) == 0) return(-1); /* self check */
1731 /* If this message has no timestamp, we take the liberty of
1732 * giving it one, right now.
1734 if (msg->cm_fields['T'] == NULL) {
1735 lprintf(9, "Generating timestamp\n");
1736 sprintf(aaa, "%ld", (long)time(NULL));
1737 msg->cm_fields['T'] = strdoop(aaa);
1740 /* If this message has no path, we generate one.
1742 if (msg->cm_fields['P'] == NULL) {
1743 lprintf(9, "Generating path\n");
1744 if (msg->cm_fields['A'] != NULL) {
1745 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1746 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1747 if (isspace(msg->cm_fields['P'][a])) {
1748 msg->cm_fields['P'][a] = ' ';
1753 msg->cm_fields['P'] = strdoop("unknown");
1757 strcpy(force_room, force);
1759 /* Learn about what's inside, because it's what's inside that counts */
1760 lprintf(9, "Learning what's inside\n");
1761 if (msg->cm_fields['M'] == NULL) {
1762 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1765 switch (msg->cm_format_type) {
1767 strcpy(content_type, "text/x-citadel-variformat");
1770 strcpy(content_type, "text/plain");
1773 strcpy(content_type, "text/plain");
1774 /* advance past header fields */
1775 mptr = msg->cm_fields['M'];
1778 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1779 safestrncpy(content_type, mptr,
1780 sizeof(content_type));
1781 strcpy(content_type, &content_type[14]);
1782 for (a = 0; a < strlen(content_type); ++a)
1783 if ((content_type[a] == ';')
1784 || (content_type[a] == ' ')
1785 || (content_type[a] == 13)
1786 || (content_type[a] == 10))
1787 content_type[a] = 0;
1794 /* Goto the correct room */
1795 lprintf(9, "Switching rooms\n");
1796 strcpy(hold_rm, CC->quickroom.QRname);
1797 strcpy(actual_rm, CC->quickroom.QRname);
1798 if (recps != NULL) {
1799 strcpy(actual_rm, SENTITEMS);
1802 /* If the user is a twit, move to the twit room for posting */
1803 lprintf(9, "Handling twit stuff\n");
1805 if (CC->usersupp.axlevel == 2) {
1806 strcpy(hold_rm, actual_rm);
1807 strcpy(actual_rm, config.c_twitroom);
1811 /* ...or if this message is destined for Aide> then go there. */
1812 if (strlen(force_room) > 0) {
1813 strcpy(actual_rm, force_room);
1816 lprintf(9, "Possibly relocating\n");
1817 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1818 getroom(&CC->quickroom, actual_rm);
1822 * If this message has no O (room) field, generate one.
1824 if (msg->cm_fields['O'] == NULL) {
1825 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1828 /* Perform "before save" hooks (aborting if any return nonzero) */
1829 lprintf(9, "Performing before-save hooks\n");
1830 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1832 /* If this message has an Extended ID, perform replication checks */
1833 lprintf(9, "Performing replication checks\n");
1834 if (ReplicationChecks(msg) > 0) return(-1);
1836 /* Save it to disk */
1837 lprintf(9, "Saving to disk\n");
1838 newmsgid = send_message(msg, NULL);
1839 if (newmsgid <= 0L) return(-1);
1841 /* Write a supplemental message info record. This doesn't have to
1842 * be a critical section because nobody else knows about this message
1845 lprintf(9, "Creating MetaData record\n");
1846 memset(&smi, 0, sizeof(struct MetaData));
1847 smi.meta_msgnum = newmsgid;
1848 smi.meta_refcount = 0;
1849 safestrncpy(smi.meta_content_type, content_type, 64);
1852 /* Now figure out where to store the pointers */
1853 lprintf(9, "Storing pointers\n");
1855 /* If this is being done by the networker delivering a private
1856 * message, we want to BYPASS saving the sender's copy (because there
1857 * is no local sender; it would otherwise go to the Trashcan).
1859 if ((!CC->internal_pgm) || (recps == NULL)) {
1860 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
1861 lprintf(3, "ERROR saving message pointer!\n");
1862 CtdlSaveMsgPointerInRoom(AIDEROOM, newmsgid, 0);
1866 /* For internet mail, drop a copy in the outbound queue room */
1868 if (recps->num_internet > 0) {
1869 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
1872 /* If other rooms are specified, drop them there too. */
1874 if (recps->num_room > 0)
1875 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
1876 extract(recipient, recps->recp_room, i);
1877 lprintf(9, "Delivering to local room <%s>\n", recipient);
1878 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
1881 /* Bump this user's messages posted counter. */
1882 lprintf(9, "Updating user\n");
1883 lgetuser(&CC->usersupp, CC->curr_user);
1884 CC->usersupp.posted = CC->usersupp.posted + 1;
1885 lputuser(&CC->usersupp);
1887 /* If this is private, local mail, make a copy in the
1888 * recipient's mailbox and bump the reference count.
1891 if (recps->num_local > 0)
1892 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
1893 extract(recipient, recps->recp_local, i);
1894 lprintf(9, "Delivering private local mail to <%s>\n",
1896 if (getuser(&userbuf, recipient) == 0) {
1897 MailboxName(actual_rm, &userbuf, MAILROOM);
1898 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1901 lprintf(9, "No user <%s>\n", recipient);
1902 CtdlSaveMsgPointerInRoom(AIDEROOM, newmsgid, 0);
1906 /* Perform "after save" hooks */
1907 lprintf(9, "Performing after-save hooks\n");
1908 PerformMessageHooks(msg, EVT_AFTERSAVE);
1910 /* For IGnet mail, we have to save a new copy into the spooler for
1911 * each recipient, with the R and D fields set to the recipient and
1912 * destination-node. This has two ugly side effects: all other
1913 * recipients end up being unlisted in this recipient's copy of the
1914 * message, and it has to deliver multiple messages to the same
1915 * node. We'll revisit this again in a year or so when everyone has
1916 * a network spool receiver that can handle the new style messages.
1919 if (recps->num_ignet > 0)
1920 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
1921 extract(recipient, recps->recp_ignet, i);
1923 hold_R = msg->cm_fields['R'];
1924 hold_D = msg->cm_fields['D'];
1925 msg->cm_fields['R'] = mallok(SIZ);
1926 msg->cm_fields['D'] = mallok(SIZ);
1927 extract_token(msg->cm_fields['R'], recipient, 0, '@');
1928 extract_token(msg->cm_fields['D'], recipient, 1, '@');
1930 serialize_message(&smr, msg);
1933 "./network/spoolin/netmail.%04lx.%04x.%04x",
1934 (long) getpid(), CC->cs_pid, ++seqnum);
1935 network_fp = fopen(aaa, "wb+");
1936 if (network_fp != NULL) {
1937 fwrite(smr.ser, smr.len, 1, network_fp);
1943 phree(msg->cm_fields['R']);
1944 phree(msg->cm_fields['D']);
1945 msg->cm_fields['R'] = hold_R;
1946 msg->cm_fields['D'] = hold_D;
1949 /* Go back to the room we started from */
1950 lprintf(9, "Returning to original room\n");
1951 if (strcasecmp(hold_rm, CC->quickroom.QRname))
1952 getroom(&CC->quickroom, hold_rm);
1954 /* For internet mail, generate delivery instructions.
1955 * Yes, this is recursive. Deal with it. Infinite recursion does
1956 * not happen because the delivery instructions message does not
1957 * contain a recipient.
1960 if (recps->num_internet > 0) {
1961 lprintf(9, "Generating delivery instructions\n");
1962 instr = mallok(SIZ * 2);
1964 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
1966 SPOOLMIME, newmsgid, (long)time(NULL),
1967 msg->cm_fields['A'], msg->cm_fields['N']
1970 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
1971 extract(recipient, recps->recp_internet, i);
1972 sprintf(&instr[strlen(instr)],
1973 "remote|%s|0||\n", recipient);
1976 imsg = mallok(sizeof(struct CtdlMessage));
1977 memset(imsg, 0, sizeof(struct CtdlMessage));
1978 imsg->cm_magic = CTDLMESSAGE_MAGIC;
1979 imsg->cm_anon_type = MES_NORMAL;
1980 imsg->cm_format_type = FMT_RFC822;
1981 imsg->cm_fields['A'] = strdoop("Citadel");
1982 imsg->cm_fields['M'] = instr;
1983 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
1984 CtdlFreeMessage(imsg);
1993 * Convenience function for generating small administrative messages.
1995 void quickie_message(char *from, char *to, char *room, char *text)
1997 struct CtdlMessage *msg;
1999 msg = mallok(sizeof(struct CtdlMessage));
2000 memset(msg, 0, sizeof(struct CtdlMessage));
2001 msg->cm_magic = CTDLMESSAGE_MAGIC;
2002 msg->cm_anon_type = MES_NORMAL;
2003 msg->cm_format_type = 0;
2004 msg->cm_fields['A'] = strdoop(from);
2005 msg->cm_fields['O'] = strdoop(room);
2006 msg->cm_fields['N'] = strdoop(NODENAME);
2008 msg->cm_fields['R'] = strdoop(to);
2009 msg->cm_fields['M'] = strdoop(text);
2011 CtdlSubmitMsg(msg, NULL, room);
2012 CtdlFreeMessage(msg);
2013 syslog(LOG_NOTICE, text);
2019 * Back end function used by make_message() and similar functions
2021 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2022 size_t maxlen, /* maximum message length */
2023 char *exist /* if non-null, append to it;
2024 exist is ALWAYS freed */
2028 size_t message_len = 0;
2029 size_t buffer_len = 0;
2033 if (exist == NULL) {
2040 message_len = strlen(exist);
2041 buffer_len = message_len + 4096;
2042 m = reallok(exist, buffer_len);
2049 /* flush the input if we have nowhere to store it */
2051 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2055 /* read in the lines of message text one by one */
2056 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2058 /* strip trailing newline type stuff */
2059 if (buf[strlen(buf)-1]==10) buf[strlen(buf)-1]=0;
2060 if (buf[strlen(buf)-1]==13) buf[strlen(buf)-1]=0;
2062 linelen = strlen(buf);
2064 /* augment the buffer if we have to */
2065 if ((message_len + linelen + 2) > buffer_len) {
2066 lprintf(9, "realloking\n");
2067 ptr = reallok(m, (buffer_len * 2) );
2068 if (ptr == NULL) { /* flush if can't allocate */
2069 while ( (client_gets(buf)>0) &&
2070 strcmp(buf, terminator)) ;;
2073 buffer_len = (buffer_len * 2);
2075 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2079 /* Add the new line to the buffer. NOTE: this loop must avoid
2080 * using functions like strcat() and strlen() because they
2081 * traverse the entire buffer upon every call, and doing that
2082 * for a multi-megabyte message slows it down beyond usability.
2084 strcpy(&m[message_len], buf);
2085 m[message_len + linelen] = '\n';
2086 m[message_len + linelen + 1] = 0;
2087 message_len = message_len + linelen + 1;
2089 /* if we've hit the max msg length, flush the rest */
2090 if (message_len >= maxlen) {
2091 while ( (client_gets(buf)>0)
2092 && strcmp(buf, terminator)) ;;
2103 * Build a binary message to be saved on disk.
2106 static struct CtdlMessage *make_message(
2107 struct usersupp *author, /* author's usersupp structure */
2108 char *recipient, /* NULL if it's not mail */
2109 char *room, /* room where it's going */
2110 int type, /* see MES_ types in header file */
2111 int format_type, /* variformat, plain text, MIME... */
2112 char *fake_name, /* who we're masquerading as */
2113 char *subject /* Subject (optional) */
2115 char dest_node[SIZ];
2117 struct CtdlMessage *msg;
2119 msg = mallok(sizeof(struct CtdlMessage));
2120 memset(msg, 0, sizeof(struct CtdlMessage));
2121 msg->cm_magic = CTDLMESSAGE_MAGIC;
2122 msg->cm_anon_type = type;
2123 msg->cm_format_type = format_type;
2125 /* Don't confuse the poor folks if it's not routed mail. */
2126 strcpy(dest_node, "");
2130 sprintf(buf, "cit%ld", author->usernum); /* Path */
2131 msg->cm_fields['P'] = strdoop(buf);
2133 sprintf(buf, "%ld", (long)time(NULL)); /* timestamp */
2134 msg->cm_fields['T'] = strdoop(buf);
2136 if (fake_name[0]) /* author */
2137 msg->cm_fields['A'] = strdoop(fake_name);
2139 msg->cm_fields['A'] = strdoop(author->fullname);
2141 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2142 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2145 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2148 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2149 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2151 if (recipient[0] != 0) {
2152 msg->cm_fields['R'] = strdoop(recipient);
2154 if (dest_node[0] != 0) {
2155 msg->cm_fields['D'] = strdoop(dest_node);
2158 if ( (author == &CC->usersupp) && (CC->cs_inet_email != NULL) ) {
2159 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2162 if (subject != NULL) {
2164 if (strlen(subject) > 0) {
2165 msg->cm_fields['U'] = strdoop(subject);
2169 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2170 config.c_maxmsglen, NULL);
2177 * Check to see whether we have permission to post a message in the current
2178 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2179 * returns 0 on success.
2181 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf) {
2183 if (!(CC->logged_in)) {
2184 sprintf(errmsgbuf, "Not logged in.");
2185 return (ERROR + NOT_LOGGED_IN);
2188 if ((CC->usersupp.axlevel < 2)
2189 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2190 sprintf(errmsgbuf, "Need to be validated to enter "
2191 "(except in %s> to sysop)", MAILROOM);
2192 return (ERROR + HIGHER_ACCESS_REQUIRED);
2195 if ((CC->usersupp.axlevel < 4)
2196 && (CC->quickroom.QRflags & QR_NETWORK)) {
2197 sprintf(errmsgbuf, "Need net privileges to enter here.");
2198 return (ERROR + HIGHER_ACCESS_REQUIRED);
2201 if ((CC->usersupp.axlevel < 6)
2202 && (CC->quickroom.QRflags & QR_READONLY)) {
2203 sprintf(errmsgbuf, "Sorry, this is a read-only room.");
2204 return (ERROR + HIGHER_ACCESS_REQUIRED);
2207 strcpy(errmsgbuf, "Ok");
2213 * Validate recipients, count delivery types and errors, and handle aliasing
2214 * FIXME check for dupes!!!!!
2216 struct recptypes *validate_recipients(char *recipients) {
2217 struct recptypes *ret;
2218 char this_recp[SIZ];
2219 char this_recp_cooked[SIZ];
2225 struct usersupp tempUS;
2226 struct quickroom tempQR;
2229 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2230 if (ret == NULL) return(NULL);
2231 memset(ret, 0, sizeof(struct recptypes));
2234 ret->num_internet = 0;
2239 if (recipients == NULL) {
2242 else if (strlen(recipients) == 0) {
2246 /* Change all valid separator characters to commas */
2247 for (i=0; i<strlen(recipients); ++i) {
2248 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2249 recipients[i] = ',';
2254 num_recps = num_tokens(recipients, ',');
2257 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2258 extract_token(this_recp, recipients, i, ',');
2260 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2261 mailtype = alias(this_recp);
2262 mailtype = alias(this_recp);
2263 mailtype = alias(this_recp);
2264 for (j=0; j<=strlen(this_recp); ++j) {
2265 if (this_recp[j]=='_') {
2266 this_recp_cooked[j] = ' ';
2269 this_recp_cooked[j] = this_recp[j];
2275 if (!strcasecmp(this_recp, "sysop")) {
2277 strcpy(this_recp, AIDEROOM);
2278 if (strlen(ret->recp_room) > 0) {
2279 strcat(ret->recp_room, "|");
2281 strcat(ret->recp_room, this_recp);
2283 else if (getuser(&tempUS, this_recp) == 0) {
2285 strcpy(this_recp, tempUS.fullname);
2286 if (strlen(ret->recp_local) > 0) {
2287 strcat(ret->recp_local, "|");
2289 strcat(ret->recp_local, this_recp);
2291 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2293 strcpy(this_recp, tempUS.fullname);
2294 if (strlen(ret->recp_local) > 0) {
2295 strcat(ret->recp_local, "|");
2297 strcat(ret->recp_local, this_recp);
2299 else if ( (!strncasecmp(this_recp, "room_", 5))
2300 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2302 if (strlen(ret->recp_room) > 0) {
2303 strcat(ret->recp_room, "|");
2305 strcat(ret->recp_room, &this_recp_cooked[5]);
2313 ++ret->num_internet;
2314 if (strlen(ret->recp_internet) > 0) {
2315 strcat(ret->recp_internet, "|");
2317 strcat(ret->recp_internet, this_recp);
2321 if (strlen(ret->recp_ignet) > 0) {
2322 strcat(ret->recp_ignet, "|");
2324 strcat(ret->recp_ignet, this_recp);
2332 if (strlen(ret->errormsg) == 0) {
2334 "Invalid recipient: %s",
2341 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2342 strcat(ret->errormsg, append);
2346 if (strlen(ret->display_recp) == 0) {
2347 strcpy(append, this_recp);
2350 sprintf(append, ", %s", this_recp);
2352 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2353 strcat(ret->display_recp, append);
2358 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2359 ret->num_room + ret->num_error) == 0) {
2361 strcpy(ret->errormsg, "No recipients specified.");
2364 lprintf(9, "validate_recipients()\n");
2365 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2366 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2367 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2368 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2369 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2377 * message entry - mode 0 (normal)
2379 void cmd_ent0(char *entargs)
2383 char masquerade_as[SIZ];
2385 int format_type = 0;
2386 char newusername[SIZ];
2387 struct CtdlMessage *msg;
2391 struct recptypes *valid = NULL;
2394 post = extract_int(entargs, 0);
2395 extract(recp, entargs, 1);
2396 anon_flag = extract_int(entargs, 2);
2397 format_type = extract_int(entargs, 3);
2398 extract(subject, entargs, 4);
2400 /* first check to make sure the request is valid. */
2402 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg);
2404 cprintf("%d %s\n", err, errmsg);
2408 /* Check some other permission type things. */
2411 if (CC->usersupp.axlevel < 6) {
2412 cprintf("%d You don't have permission to masquerade.\n",
2413 ERROR + HIGHER_ACCESS_REQUIRED);
2416 extract(newusername, entargs, 4);
2417 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2418 safestrncpy(CC->fake_postname, newusername,
2419 sizeof(CC->fake_postname) );
2420 cprintf("%d ok\n", OK);
2423 CC->cs_flags |= CS_POSTING;
2425 /* In the Mail> room we have to behave a little differently --
2426 * make sure the user has specified at least one recipient. Then
2427 * validate the recipient(s).
2429 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2430 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2432 if (CC->usersupp.axlevel < 2) {
2433 strcpy(recp, "sysop");
2436 valid = validate_recipients(recp);
2437 if (valid->num_error > 0) {
2439 ERROR + NO_SUCH_USER, valid->errormsg);
2444 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2445 && (CC->usersupp.axlevel < 4) ) {
2446 cprintf("%d Higher access required for network mail.\n",
2447 ERROR + HIGHER_ACCESS_REQUIRED);
2452 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2453 && ((CC->usersupp.flags & US_INTERNET) == 0)
2454 && (!CC->internal_pgm)) {
2455 cprintf("%d You don't have access to Internet mail.\n",
2456 ERROR + HIGHER_ACCESS_REQUIRED);
2463 /* Is this a room which has anonymous-only or anonymous-option? */
2464 anonymous = MES_NORMAL;
2465 if (CC->quickroom.QRflags & QR_ANONONLY) {
2466 anonymous = MES_ANONONLY;
2468 if (CC->quickroom.QRflags & QR_ANONOPT) {
2469 if (anon_flag == 1) { /* only if the user requested it */
2470 anonymous = MES_ANONOPT;
2474 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2478 /* If we're only checking the validity of the request, return
2479 * success without creating the message.
2482 cprintf("%d %s\n", OK,
2483 ((valid != NULL) ? valid->display_recp : "") );
2488 /* Handle author masquerading */
2489 if (CC->fake_postname[0]) {
2490 strcpy(masquerade_as, CC->fake_postname);
2492 else if (CC->fake_username[0]) {
2493 strcpy(masquerade_as, CC->fake_username);
2496 strcpy(masquerade_as, "");
2499 /* Read in the message from the client. */
2500 cprintf("%d send message\n", SEND_LISTING);
2501 msg = make_message(&CC->usersupp, recp,
2502 CC->quickroom.QRname, anonymous, format_type,
2503 masquerade_as, subject);
2506 CtdlSubmitMsg(msg, valid, "");
2507 CtdlFreeMessage(msg);
2509 CC->fake_postname[0] = '\0';
2517 * API function to delete messages which match a set of criteria
2518 * (returns the actual number of messages deleted)
2520 int CtdlDeleteMessages(char *room_name, /* which room */
2521 long dmsgnum, /* or "0" for any */
2522 char *content_type /* or "" for any */
2526 struct quickroom qrbuf;
2527 struct cdbdata *cdbfr;
2528 long *msglist = NULL;
2529 long *dellist = NULL;
2532 int num_deleted = 0;
2534 struct MetaData smi;
2536 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2537 room_name, dmsgnum, content_type);
2539 /* get room record, obtaining a lock... */
2540 if (lgetroom(&qrbuf, room_name) != 0) {
2541 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2543 return (0); /* room not found */
2545 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2547 if (cdbfr != NULL) {
2548 msglist = mallok(cdbfr->len);
2549 dellist = mallok(cdbfr->len);
2550 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2551 num_msgs = cdbfr->len / sizeof(long);
2555 for (i = 0; i < num_msgs; ++i) {
2558 /* Set/clear a bit for each criterion */
2560 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2561 delete_this |= 0x01;
2563 if (strlen(content_type) == 0) {
2564 delete_this |= 0x02;
2566 GetMetaData(&smi, msglist[i]);
2567 if (!strcasecmp(smi.meta_content_type,
2569 delete_this |= 0x02;
2573 /* Delete message only if all bits are set */
2574 if (delete_this == 0x03) {
2575 dellist[num_deleted++] = msglist[i];
2580 num_msgs = sort_msglist(msglist, num_msgs);
2581 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2582 msglist, (num_msgs * sizeof(long)));
2584 qrbuf.QRhighest = msglist[num_msgs - 1];
2588 /* Go through the messages we pulled out of the index, and decrement
2589 * their reference counts by 1. If this is the only room the message
2590 * was in, the reference count will reach zero and the message will
2591 * automatically be deleted from the database. We do this in a
2592 * separate pass because there might be plug-in hooks getting called,
2593 * and we don't want that happening during an S_QUICKROOM critical
2596 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2597 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2598 AdjRefCount(dellist[i], -1);
2601 /* Now free the memory we used, and go away. */
2602 if (msglist != NULL) phree(msglist);
2603 if (dellist != NULL) phree(dellist);
2604 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2605 return (num_deleted);
2611 * Check whether the current user has permission to delete messages from
2612 * the current room (returns 1 for yes, 0 for no)
2614 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2615 getuser(&CC->usersupp, CC->curr_user);
2616 if ((CC->usersupp.axlevel < 6)
2617 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2618 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2619 && (!(CC->internal_pgm))) {
2628 * Delete message from current room
2630 void cmd_dele(char *delstr)
2635 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2636 cprintf("%d Higher access required.\n",
2637 ERROR + HIGHER_ACCESS_REQUIRED);
2640 delnum = extract_long(delstr, 0);
2642 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2645 cprintf("%d %d message%s deleted.\n", OK,
2646 num_deleted, ((num_deleted != 1) ? "s" : ""));
2648 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2654 * Back end API function for moves and deletes
2656 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2659 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2660 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2661 if (err != 0) return(err);
2669 * move or copy a message to another room
2671 void cmd_move(char *args)
2675 struct quickroom qtemp;
2679 num = extract_long(args, 0);
2680 extract(targ, args, 1);
2681 targ[ROOMNAMELEN - 1] = 0;
2682 is_copy = extract_int(args, 2);
2684 if (getroom(&qtemp, targ) != 0) {
2685 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2689 getuser(&CC->usersupp, CC->curr_user);
2690 /* Aides can move/copy */
2691 if ((CC->usersupp.axlevel < 6)
2692 /* Roomaides can move/copy */
2693 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2694 /* Permit move/copy to/from personal rooms */
2695 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2696 && (qtemp.QRflags & QR_MAILBOX)))
2697 /* Permit only copy from public to personal room */
2698 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2699 && (qtemp.QRflags & QR_MAILBOX)))) {
2700 cprintf("%d Higher access required.\n",
2701 ERROR + HIGHER_ACCESS_REQUIRED);
2705 err = CtdlCopyMsgToRoom(num, targ);
2707 cprintf("%d Cannot store message in %s: error %d\n",
2712 /* Now delete the message from the source room,
2713 * if this is a 'move' rather than a 'copy' operation.
2716 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2719 cprintf("%d Message %s.\n", OK, (is_copy ? "copied" : "moved") );
2725 * GetMetaData() - Get the supplementary record for a message
2727 void GetMetaData(struct MetaData *smibuf, long msgnum)
2730 struct cdbdata *cdbsmi;
2733 memset(smibuf, 0, sizeof(struct MetaData));
2734 smibuf->meta_msgnum = msgnum;
2735 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2737 /* Use the negative of the message number for its supp record index */
2738 TheIndex = (0L - msgnum);
2740 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2741 if (cdbsmi == NULL) {
2742 return; /* record not found; go with defaults */
2744 memcpy(smibuf, cdbsmi->ptr,
2745 ((cdbsmi->len > sizeof(struct MetaData)) ?
2746 sizeof(struct MetaData) : cdbsmi->len));
2753 * PutMetaData() - (re)write supplementary record for a message
2755 void PutMetaData(struct MetaData *smibuf)
2759 /* Use the negative of the message number for the metadata db index */
2760 TheIndex = (0L - smibuf->meta_msgnum);
2762 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2763 smibuf->meta_msgnum, smibuf->meta_refcount);
2765 cdb_store(CDB_MSGMAIN,
2766 &TheIndex, sizeof(long),
2767 smibuf, sizeof(struct MetaData));
2772 * AdjRefCount - change the reference count for a message;
2773 * delete the message if it reaches zero
2775 void AdjRefCount(long msgnum, int incr)
2778 struct MetaData smi;
2781 /* This is a *tight* critical section; please keep it that way, as
2782 * it may get called while nested in other critical sections.
2783 * Complicating this any further will surely cause deadlock!
2785 begin_critical_section(S_SUPPMSGMAIN);
2786 GetMetaData(&smi, msgnum);
2787 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2788 msgnum, smi.meta_refcount);
2789 smi.meta_refcount += incr;
2791 end_critical_section(S_SUPPMSGMAIN);
2792 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2793 msgnum, smi.meta_refcount);
2795 /* If the reference count is now zero, delete the message
2796 * (and its supplementary record as well).
2798 if (smi.meta_refcount == 0) {
2799 lprintf(9, "Deleting message <%ld>\n", msgnum);
2801 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2803 /* We have to delete the metadata record too! */
2804 delnum = (0L - msgnum);
2805 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2810 * Write a generic object to this room
2812 * Note: this could be much more efficient. Right now we use two temporary
2813 * files, and still pull the message into memory as with all others.
2815 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2816 char *content_type, /* MIME type of this object */
2817 char *tempfilename, /* Where to fetch it from */
2818 struct usersupp *is_mailbox, /* Mailbox room? */
2819 int is_binary, /* Is encoding necessary? */
2820 int is_unique, /* Del others of this type? */
2821 unsigned int flags /* Internal save flags */
2826 char filename[PATH_MAX];
2829 struct quickroom qrbuf;
2830 char roomname[ROOMNAMELEN];
2831 struct CtdlMessage *msg;
2834 if (is_mailbox != NULL)
2835 MailboxName(roomname, is_mailbox, req_room);
2837 safestrncpy(roomname, req_room, sizeof(roomname));
2838 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2840 strcpy(filename, tmpnam(NULL));
2841 fp = fopen(filename, "w");
2845 tempfp = fopen(tempfilename, "r");
2846 if (tempfp == NULL) {
2852 fprintf(fp, "Content-type: %s\n", content_type);
2853 lprintf(9, "Content-type: %s\n", content_type);
2855 if (is_binary == 0) {
2856 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2857 while (ch = getc(tempfp), ch > 0)
2863 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2866 sprintf(cmdbuf, "./base64 -e <%s >>%s",
2867 tempfilename, filename);
2871 lprintf(9, "Allocating\n");
2872 msg = mallok(sizeof(struct CtdlMessage));
2873 memset(msg, 0, sizeof(struct CtdlMessage));
2874 msg->cm_magic = CTDLMESSAGE_MAGIC;
2875 msg->cm_anon_type = MES_NORMAL;
2876 msg->cm_format_type = 4;
2877 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2878 msg->cm_fields['O'] = strdoop(req_room);
2879 msg->cm_fields['N'] = strdoop(config.c_nodename);
2880 msg->cm_fields['H'] = strdoop(config.c_humannode);
2881 msg->cm_flags = flags;
2883 lprintf(9, "Loading\n");
2884 fp = fopen(filename, "rb");
2885 fseek(fp, 0L, SEEK_END);
2888 msg->cm_fields['M'] = mallok(len);
2889 fread(msg->cm_fields['M'], len, 1, fp);
2893 /* Create the requested room if we have to. */
2894 if (getroom(&qrbuf, roomname) != 0) {
2895 create_room(roomname,
2896 ( (is_mailbox != NULL) ? 5 : 3 ),
2899 /* If the caller specified this object as unique, delete all
2900 * other objects of this type that are currently in the room.
2903 lprintf(9, "Deleted %d other msgs of this type\n",
2904 CtdlDeleteMessages(roomname, 0L, content_type));
2906 /* Now write the data */
2907 CtdlSubmitMsg(msg, NULL, roomname);
2908 CtdlFreeMessage(msg);
2916 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
2917 config_msgnum = msgnum;
2921 char *CtdlGetSysConfig(char *sysconfname) {
2922 char hold_rm[ROOMNAMELEN];
2925 struct CtdlMessage *msg;
2928 strcpy(hold_rm, CC->quickroom.QRname);
2929 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
2930 getroom(&CC->quickroom, hold_rm);
2935 /* We want the last (and probably only) config in this room */
2936 begin_critical_section(S_CONFIG);
2937 config_msgnum = (-1L);
2938 CtdlForEachMessage(MSGS_LAST, 1, (-127), sysconfname, NULL,
2939 CtdlGetSysConfigBackend, NULL);
2940 msgnum = config_msgnum;
2941 end_critical_section(S_CONFIG);
2947 msg = CtdlFetchMessage(msgnum);
2949 conf = strdoop(msg->cm_fields['M']);
2950 CtdlFreeMessage(msg);
2957 getroom(&CC->quickroom, hold_rm);
2959 if (conf != NULL) do {
2960 extract_token(buf, conf, 0, '\n');
2961 strcpy(conf, &conf[strlen(buf)+1]);
2962 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
2967 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
2968 char temp[PATH_MAX];
2971 strcpy(temp, tmpnam(NULL));
2973 fp = fopen(temp, "w");
2974 if (fp == NULL) return;
2975 fprintf(fp, "%s", sysconfdata);
2978 /* this handy API function does all the work for us */
2979 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);