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! */
289 * Retrieve the "seen" message list for the current room.
291 void CtdlGetSeen(char *buf) {
294 /* Learn about the user and room in question */
295 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
297 safestrncpy(buf, vbuf.v_seen, SIZ);
303 * Manipulate the "seen msgs" string.
305 void CtdlSetSeen(long target_msgnum, int target_setting) {
307 struct cdbdata *cdbfr;
317 /* Learn about the user and room in question */
318 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
320 /* Load the message list */
321 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
323 msglist = mallok(cdbfr->len);
324 memcpy(msglist, cdbfr->ptr, cdbfr->len);
325 num_msgs = cdbfr->len / sizeof(long);
328 return; /* No messages at all? No further action. */
331 lprintf(9, "before optimize: %s\n", vbuf.v_seen);
334 for (i=0; i<num_msgs; ++i) {
337 if (msglist[i] == target_msgnum) {
338 is_seen = target_setting;
341 if (is_msg_in_mset(vbuf.v_seen, msglist[i])) {
347 if (lo < 0L) lo = msglist[i];
350 if ( ((is_seen == 0) && (was_seen == 1))
351 || ((is_seen == 1) && (i == num_msgs-1)) ) {
354 if ( (strlen(newseen) + 20) > SIZ) {
355 strcpy(newseen, &newseen[20]);
358 tmp = strlen(newseen);
360 strcat(newseen, ",");
364 snprintf(&newseen[tmp], sizeof newseen - tmp,
368 snprintf(&newseen[tmp], sizeof newseen - tmp,
377 safestrncpy(vbuf.v_seen, newseen, SIZ);
378 lprintf(9, " after optimize: %s\n", vbuf.v_seen);
380 CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
385 * API function to perform an operation for each qualifying message in the
386 * current room. (Returns the number of messages processed.)
388 int CtdlForEachMessage(int mode, long ref,
390 struct CtdlMessage *compare,
391 void (*CallBack) (long, void *),
397 struct cdbdata *cdbfr;
398 long *msglist = NULL;
400 int num_processed = 0;
403 struct CtdlMessage *msg;
406 int printed_lastold = 0;
408 /* Learn about the user and room in question */
410 getuser(&CC->usersupp, CC->curr_user);
411 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
413 /* Load the message list */
414 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
416 msglist = mallok(cdbfr->len);
417 memcpy(msglist, cdbfr->ptr, cdbfr->len);
418 num_msgs = cdbfr->len / sizeof(long);
421 return 0; /* No messages at all? No further action. */
426 * Now begin the traversal.
428 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
430 /* If the caller is looking for a specific MIME type, filter
431 * out all messages which are not of the type requested.
433 if (content_type != NULL) if (strlen(content_type) > 0) {
435 /* This call to GetMetaData() sits inside this loop
436 * so that we only do the extra database read per msg
437 * if we need to. Doing the extra read all the time
438 * really kills the server. If we ever need to use
439 * metadata for another search criterion, we need to
440 * move the read somewhere else -- but still be smart
441 * enough to only do the read if the caller has
442 * specified something that will need it.
444 GetMetaData(&smi, msglist[a]);
446 if (strcasecmp(smi.meta_content_type, content_type)) {
452 num_msgs = sort_msglist(msglist, num_msgs);
454 /* If a template was supplied, filter out the messages which
455 * don't match. (This could induce some delays!)
458 if (compare != NULL) {
459 for (a = 0; a < num_msgs; ++a) {
460 msg = CtdlFetchMessage(msglist[a]);
462 if (CtdlMsgCmp(msg, compare)) {
465 CtdlFreeMessage(msg);
473 * Now iterate through the message list, according to the
474 * criteria supplied by the caller.
477 for (a = 0; a < num_msgs; ++a) {
478 thismsg = msglist[a];
479 is_seen = is_msg_in_mset(vbuf.v_seen, thismsg);
480 if (is_seen) lastold = thismsg;
485 || ((mode == MSGS_OLD) && (is_seen))
486 || ((mode == MSGS_NEW) && (!is_seen))
487 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
488 || ((mode == MSGS_FIRST) && (a < ref))
489 || ((mode == MSGS_GT) && (thismsg > ref))
490 || ((mode == MSGS_EQ) && (thismsg == ref))
493 if ((mode == MSGS_NEW) && (CC->usersupp.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
495 CallBack(lastold, userdata);
499 if (CallBack) CallBack(thismsg, userdata);
503 phree(msglist); /* Clean up */
504 return num_processed;
510 * cmd_msgs() - get list of message #'s in this room
511 * implements the MSGS server command using CtdlForEachMessage()
513 void cmd_msgs(char *cmdbuf)
522 int with_template = 0;
523 struct CtdlMessage *template = NULL;
525 extract(which, cmdbuf, 0);
526 cm_ref = extract_int(cmdbuf, 1);
527 with_template = extract_int(cmdbuf, 2);
531 if (!strncasecmp(which, "OLD", 3))
533 else if (!strncasecmp(which, "NEW", 3))
535 else if (!strncasecmp(which, "FIRST", 5))
537 else if (!strncasecmp(which, "LAST", 4))
539 else if (!strncasecmp(which, "GT", 2))
542 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
543 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
548 cprintf("%d Send template then receive message list\n",
550 template = (struct CtdlMessage *)
551 mallok(sizeof(struct CtdlMessage));
552 memset(template, 0, sizeof(struct CtdlMessage));
553 while(client_gets(buf), strcmp(buf,"000")) {
554 extract(tfield, buf, 0);
555 extract(tvalue, buf, 1);
556 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
557 if (!strcasecmp(tfield, msgkeys[i])) {
558 template->cm_fields[i] =
565 cprintf("%d Message list...\n", LISTING_FOLLOWS);
568 CtdlForEachMessage(mode, cm_ref,
569 NULL, template, simple_listing, NULL);
570 if (template != NULL) CtdlFreeMessage(template);
578 * help_subst() - support routine for help file viewer
580 void help_subst(char *strbuf, char *source, char *dest)
585 while (p = pattern2(strbuf, source), (p >= 0)) {
586 strcpy(workbuf, &strbuf[p + strlen(source)]);
587 strcpy(&strbuf[p], dest);
588 strcat(strbuf, workbuf);
593 void do_help_subst(char *buffer)
597 help_subst(buffer, "^nodename", config.c_nodename);
598 help_subst(buffer, "^humannode", config.c_humannode);
599 help_subst(buffer, "^fqdn", config.c_fqdn);
600 help_subst(buffer, "^username", CC->usersupp.fullname);
601 snprintf(buf2, sizeof buf2, "%ld", CC->usersupp.usernum);
602 help_subst(buffer, "^usernum", buf2);
603 help_subst(buffer, "^sysadm", config.c_sysadm);
604 help_subst(buffer, "^variantname", CITADEL);
605 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
606 help_subst(buffer, "^maxsessions", buf2);
612 * memfmout() - Citadel text formatter and paginator.
613 * Although the original purpose of this routine was to format
614 * text to the reader's screen width, all we're really using it
615 * for here is to format text out to 80 columns before sending it
616 * to the client. The client software may reformat it again.
619 int width, /* screen width to use */
620 char *mptr, /* where are we going to get our text from? */
621 char subst, /* nonzero if we should do substitutions */
622 char *nl) /* string to terminate lines with */
634 c = 1; /* c is the current pos */
638 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
640 buffer[strlen(buffer) + 1] = 0;
641 buffer[strlen(buffer)] = ch;
644 if (buffer[0] == '^')
645 do_help_subst(buffer);
647 buffer[strlen(buffer) + 1] = 0;
649 strcpy(buffer, &buffer[1]);
657 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
659 if (((old == 13) || (old == 10)) && (isspace(real))) {
667 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
668 cprintf("%s%s", nl, aaa);
677 if ((strlen(aaa) + c) > (width - 5)) {
686 if ((ch == 13) || (ch == 10)) {
687 cprintf("%s%s", aaa, nl);
694 cprintf("%s%s", aaa, nl);
700 * Callback function for mime parser that simply lists the part
702 void list_this_part(char *name, char *filename, char *partnum, char *disp,
703 void *content, char *cbtype, size_t length, char *encoding,
707 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
708 name, filename, partnum, disp, cbtype, (long)length);
713 * Callback function for mime parser that opens a section for downloading
715 void mime_download(char *name, char *filename, char *partnum, char *disp,
716 void *content, char *cbtype, size_t length, char *encoding,
720 /* Silently go away if there's already a download open... */
721 if (CC->download_fp != NULL)
724 /* ...or if this is not the desired section */
725 if (strcasecmp(desired_section, partnum))
728 CC->download_fp = tmpfile();
729 if (CC->download_fp == NULL)
732 fwrite(content, length, 1, CC->download_fp);
733 fflush(CC->download_fp);
734 rewind(CC->download_fp);
736 OpenCmdResult(filename, cbtype);
742 * Load a message from disk into memory.
743 * This is used by CtdlOutputMsg() and other fetch functions.
745 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
746 * using the CtdlMessageFree() function.
748 struct CtdlMessage *CtdlFetchMessage(long msgnum)
750 struct cdbdata *dmsgtext;
751 struct CtdlMessage *ret = NULL;
754 CIT_UBYTE field_header;
757 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
758 if (dmsgtext == NULL) {
761 mptr = dmsgtext->ptr;
763 /* Parse the three bytes that begin EVERY message on disk.
764 * The first is always 0xFF, the on-disk magic number.
765 * The second is the anonymous/public type byte.
766 * The third is the format type byte (vari, fixed, or MIME).
770 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
774 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
775 memset(ret, 0, sizeof(struct CtdlMessage));
777 ret->cm_magic = CTDLMESSAGE_MAGIC;
778 ret->cm_anon_type = *mptr++; /* Anon type byte */
779 ret->cm_format_type = *mptr++; /* Format type byte */
782 * The rest is zero or more arbitrary fields. Load them in.
783 * We're done when we encounter either a zero-length field or
784 * have just processed the 'M' (message text) field.
787 field_length = strlen(mptr);
788 if (field_length == 0)
790 field_header = *mptr++;
791 ret->cm_fields[field_header] = mallok(field_length);
792 strcpy(ret->cm_fields[field_header], mptr);
794 while (*mptr++ != 0); /* advance to next field */
796 } while ((field_length > 0) && (field_header != 'M'));
800 /* Always make sure there's something in the msg text field */
801 if (ret->cm_fields['M'] == NULL)
802 ret->cm_fields['M'] = strdoop("<no text>\n");
804 /* Perform "before read" hooks (aborting if any return nonzero) */
805 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
806 CtdlFreeMessage(ret);
815 * Returns 1 if the supplied pointer points to a valid Citadel message.
816 * If the pointer is NULL or the magic number check fails, returns 0.
818 int is_valid_message(struct CtdlMessage *msg) {
821 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
822 lprintf(3, "is_valid_message() -- self-check failed\n");
830 * 'Destructor' for struct CtdlMessage
832 void CtdlFreeMessage(struct CtdlMessage *msg)
836 if (is_valid_message(msg) == 0) return;
838 for (i = 0; i < 256; ++i)
839 if (msg->cm_fields[i] != NULL) {
840 phree(msg->cm_fields[i]);
843 msg->cm_magic = 0; /* just in case */
849 * Pre callback function for multipart/alternative
851 * NOTE: this differs from the standard behavior for a reason. Normally when
852 * displaying multipart/alternative you want to show the _last_ usable
853 * format in the message. Here we show the _first_ one, because it's
854 * usually text/plain. Since this set of functions is designed for text
855 * output to non-MIME-aware clients, this is the desired behavior.
858 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
859 void *content, char *cbtype, size_t length, char *encoding,
862 lprintf(9, "fixed_output_pre() type=<%s>\n", cbtype);
863 if (!strcasecmp(cbtype, "multipart/alternative")) {
871 * Post callback function for multipart/alternative
873 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
874 void *content, char *cbtype, size_t length, char *encoding,
877 lprintf(9, "fixed_output_post() type=<%s>\n", cbtype);
878 if (!strcasecmp(cbtype, "multipart/alternative")) {
886 * Inline callback function for mime parser that wants to display text
888 void fixed_output(char *name, char *filename, char *partnum, char *disp,
889 void *content, char *cbtype, size_t length, char *encoding,
896 lprintf(9, "fixed_output() type=<%s>\n", cbtype);
899 * If we're in the middle of a multipart/alternative scope and
900 * we've already printed another section, skip this one.
902 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
903 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
908 if ( (!strcasecmp(cbtype, "text/plain"))
909 || (strlen(cbtype)==0) ) {
912 client_write(wptr, length);
913 if (wptr[length-1] != '\n') {
918 else if (!strcasecmp(cbtype, "text/html")) {
919 ptr = html_to_ascii(content, 80, 0);
921 client_write(ptr, wlen);
922 if (ptr[wlen-1] != '\n') {
927 else if (strncasecmp(cbtype, "multipart/", 10)) {
928 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
929 partnum, filename, cbtype, (long)length);
935 * Get a message off disk. (returns om_* values found in msgbase.h)
938 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
939 int mode, /* how would you like that message? */
940 int headers_only, /* eschew the message body? */
941 int do_proto, /* do Citadel protocol responses? */
942 int crlf /* Use CRLF newlines instead of LF? */
944 struct CtdlMessage *TheMessage;
947 lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
952 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
953 if (do_proto) cprintf("%d Not logged in.\n",
954 ERROR + NOT_LOGGED_IN);
955 return(om_not_logged_in);
958 /* FIXME ... small security issue
959 * We need to check to make sure the requested message is actually
960 * in the current room, and set msg_ok to 1 only if it is. This
961 * functionality is currently missing because I'm in a hurry to replace
962 * broken production code with nonbroken pre-beta code. :( -- ajc
965 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
967 return(om_no_such_msg);
972 * Fetch the message from disk
974 TheMessage = CtdlFetchMessage(msg_num);
975 if (TheMessage == NULL) {
976 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
978 return(om_no_such_msg);
981 retcode = CtdlOutputPreLoadedMsg(
982 TheMessage, msg_num, mode,
983 headers_only, do_proto, crlf);
985 CtdlFreeMessage(TheMessage);
991 * Get a message off disk. (returns om_* values found in msgbase.h)
994 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
996 int mode, /* how would you like that message? */
997 int headers_only, /* eschew the message body? */
998 int do_proto, /* do Citadel protocol responses? */
999 int crlf /* Use CRLF newlines instead of LF? */
1005 char display_name[SIZ];
1007 char *nl; /* newline string */
1010 /* buffers needed for RFC822 translation */
1017 char datestamp[SIZ];
1020 snprintf(mid, sizeof mid, "%ld", msg_num);
1021 nl = (crlf ? "\r\n" : "\n");
1023 if (!is_valid_message(TheMessage)) {
1024 lprintf(1, "ERROR: invalid preloaded message for output\n");
1025 return(om_no_such_msg);
1028 /* Are we downloading a MIME component? */
1029 if (mode == MT_DOWNLOAD) {
1030 if (TheMessage->cm_format_type != FMT_RFC822) {
1032 cprintf("%d This is not a MIME message.\n",
1034 } else if (CC->download_fp != NULL) {
1035 if (do_proto) cprintf(
1036 "%d You already have a download open.\n",
1039 /* Parse the message text component */
1040 mptr = TheMessage->cm_fields['M'];
1041 mime_parser(mptr, NULL,
1042 *mime_download, NULL, NULL,
1044 /* If there's no file open by this time, the requested
1045 * section wasn't found, so print an error
1047 if (CC->download_fp == NULL) {
1048 if (do_proto) cprintf(
1049 "%d Section %s not found.\n",
1050 ERROR + FILE_NOT_FOUND,
1054 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1057 /* now for the user-mode message reading loops */
1058 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1060 /* Tell the client which format type we're using. If this is a
1061 * MIME message, *lie* about it and tell the user it's fixed-format.
1063 if (mode == MT_CITADEL) {
1064 if (TheMessage->cm_format_type == FMT_RFC822) {
1065 if (do_proto) cprintf("type=1\n");
1068 if (do_proto) cprintf("type=%d\n",
1069 TheMessage->cm_format_type);
1073 /* nhdr=yes means that we're only displaying headers, no body */
1074 if ((TheMessage->cm_anon_type == MES_ANONONLY) && (mode == MT_CITADEL)) {
1075 if (do_proto) cprintf("nhdr=yes\n");
1078 /* begin header processing loop for Citadel message format */
1080 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1082 strcpy(display_name, "<unknown>");
1083 if (TheMessage->cm_fields['A']) {
1084 strcpy(buf, TheMessage->cm_fields['A']);
1085 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1086 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1087 strcpy(display_name, "****");
1089 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1090 strcpy(display_name, "anonymous");
1093 strcpy(display_name, buf);
1095 if ((is_room_aide())
1096 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1097 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1098 size_t tmp = strlen(display_name);
1099 snprintf(&display_name[tmp],
1100 sizeof display_name - tmp,
1105 /* Don't show Internet address for users on the
1106 * local Citadel network.
1109 if (TheMessage->cm_fields['N'] != NULL)
1110 if (strlen(TheMessage->cm_fields['N']) > 0)
1111 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1115 /* Now spew the header fields in the order we like them. */
1116 strcpy(allkeys, FORDER);
1117 for (i=0; i<strlen(allkeys); ++i) {
1118 k = (int) allkeys[i];
1120 if ( (TheMessage->cm_fields[k] != NULL)
1121 && (msgkeys[k] != NULL) ) {
1123 if (do_proto) cprintf("%s=%s\n",
1127 else if ((k == 'F') && (suppress_f)) {
1130 /* Masquerade display name if needed */
1132 if (do_proto) cprintf("%s=%s\n",
1134 TheMessage->cm_fields[k]
1143 /* begin header processing loop for RFC822 transfer format */
1148 strcpy(snode, NODENAME);
1149 strcpy(lnode, HUMANNODE);
1150 if (mode == MT_RFC822) {
1151 cprintf("X-UIDL: %ld%s", msg_num, nl);
1152 for (i = 0; i < 256; ++i) {
1153 if (TheMessage->cm_fields[i]) {
1154 mptr = TheMessage->cm_fields[i];
1157 strcpy(luser, mptr);
1158 strcpy(suser, mptr);
1161 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1162 into thinking that mail messages are newsgroup messages instead. When we
1163 add NNTP support back into Citadel we'll have to add code to only output
1164 this field when appropriate.
1165 else if (i == 'P') {
1166 cprintf("Path: %s%s", mptr, nl);
1170 cprintf("Subject: %s%s", mptr, nl);
1172 safestrncpy(mid, mptr, sizeof mid);
1174 safestrncpy(lnode, mptr, sizeof lnode);
1176 safestrncpy(fuser, mptr, sizeof fuser);
1178 cprintf("X-Citadel-Room: %s%s",
1181 safestrncpy(snode, mptr, sizeof snode);
1183 cprintf("To: %s%s", mptr, nl);
1184 else if (i == 'T') {
1185 datestring(datestamp, sizeof datestamp, atol(mptr),
1186 DATESTRING_RFC822 );
1187 cprintf("Date: %s%s", datestamp, nl);
1193 for (i=0; i<strlen(suser); ++i) {
1194 suser[i] = tolower(suser[i]);
1195 if (!isalnum(suser[i])) suser[i]='_';
1198 if (mode == MT_RFC822) {
1199 if (!strcasecmp(snode, NODENAME)) {
1200 strcpy(snode, FQDN);
1203 /* Construct a fun message id */
1204 cprintf("Message-ID: <%s", mid);
1205 if (strchr(mid, '@')==NULL) {
1206 cprintf("@%s", snode);
1210 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1212 if (strlen(fuser) > 0) {
1213 cprintf("From: %s (%s)%s", fuser, luser, nl);
1216 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1219 cprintf("Organization: %s%s", lnode, nl);
1222 /* end header processing loop ... at this point, we're in the text */
1224 mptr = TheMessage->cm_fields['M'];
1226 /* Tell the client about the MIME parts in this message */
1227 if (TheMessage->cm_format_type == FMT_RFC822) {
1228 if (mode == MT_CITADEL) {
1229 mime_parser(mptr, NULL,
1230 *list_this_part, NULL, NULL,
1233 else if (mode == MT_MIME) { /* list parts only */
1234 mime_parser(mptr, NULL,
1235 *list_this_part, NULL, NULL,
1237 if (do_proto) cprintf("000\n");
1240 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1241 /* FIXME ... we have to put some code in here to avoid
1242 * printing duplicate header information when both
1243 * Citadel and RFC822 headers exist. Preference should
1244 * probably be given to the RFC822 headers.
1246 while (ch=*(mptr++), ch!=0) {
1248 else if (ch==10) cprintf("%s", nl);
1249 else cprintf("%c", ch);
1251 if (do_proto) cprintf("000\n");
1257 if (do_proto) cprintf("000\n");
1261 /* signify start of msg text */
1262 if (mode == MT_CITADEL)
1263 if (do_proto) cprintf("text\n");
1264 if (mode == MT_RFC822) {
1265 if (TheMessage->cm_fields['U'] == NULL) {
1266 cprintf("Subject: (no subject)%s", nl);
1271 /* If the format type on disk is 1 (fixed-format), then we want
1272 * everything to be output completely literally ... regardless of
1273 * what message transfer format is in use.
1275 if (TheMessage->cm_format_type == FMT_FIXED) {
1277 while (ch = *mptr++, ch > 0) {
1280 if ((ch == 10) || (strlen(buf) > 250)) {
1281 cprintf("%s%s", buf, nl);
1284 buf[strlen(buf) + 1] = 0;
1285 buf[strlen(buf)] = ch;
1288 if (strlen(buf) > 0)
1289 cprintf("%s%s", buf, nl);
1292 /* If the message on disk is format 0 (Citadel vari-format), we
1293 * output using the formatter at 80 columns. This is the final output
1294 * form if the transfer format is RFC822, but if the transfer format
1295 * is Citadel proprietary, it'll still work, because the indentation
1296 * for new paragraphs is correct and the client will reformat the
1297 * message to the reader's screen width.
1299 if (TheMessage->cm_format_type == FMT_CITADEL) {
1300 memfmout(80, mptr, 0, nl);
1303 /* If the message on disk is format 4 (MIME), we've gotta hand it
1304 * off to the MIME parser. The client has already been told that
1305 * this message is format 1 (fixed format), so the callback function
1306 * we use will display those parts as-is.
1308 if (TheMessage->cm_format_type == FMT_RFC822) {
1309 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1310 memset(ma, 0, sizeof(struct ma_info));
1311 mime_parser(mptr, NULL,
1312 *fixed_output, *fixed_output_pre, *fixed_output_post,
1316 /* now we're done */
1317 if (do_proto) cprintf("000\n");
1324 * display a message (mode 0 - Citadel proprietary)
1326 void cmd_msg0(char *cmdbuf)
1329 int headers_only = 0;
1331 msgid = extract_long(cmdbuf, 0);
1332 headers_only = extract_int(cmdbuf, 1);
1334 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1340 * display a message (mode 2 - RFC822)
1342 void cmd_msg2(char *cmdbuf)
1345 int headers_only = 0;
1347 msgid = extract_long(cmdbuf, 0);
1348 headers_only = extract_int(cmdbuf, 1);
1350 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1356 * display a message (mode 3 - IGnet raw format - internal programs only)
1358 void cmd_msg3(char *cmdbuf)
1361 struct CtdlMessage *msg;
1364 if (CC->internal_pgm == 0) {
1365 cprintf("%d This command is for internal programs only.\n",
1370 msgnum = extract_long(cmdbuf, 0);
1371 msg = CtdlFetchMessage(msgnum);
1373 cprintf("%d Message %ld not found.\n",
1378 serialize_message(&smr, msg);
1379 CtdlFreeMessage(msg);
1382 cprintf("%d Unable to serialize message\n",
1383 ERROR+INTERNAL_ERROR);
1387 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1388 client_write(smr.ser, smr.len);
1395 * display a message (mode 4 - MIME) (FIXME ... still evolving, not complete)
1397 void cmd_msg4(char *cmdbuf)
1401 msgid = extract_long(cmdbuf, 0);
1402 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1406 * Open a component of a MIME message as a download file
1408 void cmd_opna(char *cmdbuf)
1412 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1414 msgid = extract_long(cmdbuf, 0);
1415 extract(desired_section, cmdbuf, 1);
1417 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1422 * Save a message pointer into a specified room
1423 * (Returns 0 for success, nonzero for failure)
1424 * roomname may be NULL to use the current room
1426 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1428 char hold_rm[ROOMNAMELEN];
1429 struct cdbdata *cdbfr;
1432 long highest_msg = 0L;
1433 struct CtdlMessage *msg = NULL;
1435 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1436 roomname, msgid, flags);
1438 strcpy(hold_rm, CC->quickroom.QRname);
1440 /* We may need to check to see if this message is real */
1441 if ( (flags & SM_VERIFY_GOODNESS)
1442 || (flags & SM_DO_REPL_CHECK)
1444 msg = CtdlFetchMessage(msgid);
1445 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1448 /* Perform replication checks if necessary */
1449 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1451 if (getroom(&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 if (ReplicationChecks(msg) != 0) {
1460 getroom(&CC->quickroom, hold_rm);
1461 if (msg != NULL) CtdlFreeMessage(msg);
1462 lprintf(9, "Did replication, and newer exists\n");
1467 /* Now the regular stuff */
1468 if (lgetroom(&CC->quickroom,
1469 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1471 lprintf(9, "No such room <%s>\n", roomname);
1472 if (msg != NULL) CtdlFreeMessage(msg);
1473 return(ERROR + ROOM_NOT_FOUND);
1476 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1477 if (cdbfr == NULL) {
1481 msglist = mallok(cdbfr->len);
1482 if (msglist == NULL)
1483 lprintf(3, "ERROR malloc msglist!\n");
1484 num_msgs = cdbfr->len / sizeof(long);
1485 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1490 /* Make sure the message doesn't already exist in this room. It
1491 * is absolutely taboo to have more than one reference to the same
1492 * message in a room.
1494 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1495 if (msglist[i] == msgid) {
1496 lputroom(&CC->quickroom); /* unlock the room */
1497 getroom(&CC->quickroom, hold_rm);
1498 if (msg != NULL) CtdlFreeMessage(msg);
1499 return(ERROR + ALREADY_EXISTS);
1503 /* Now add the new message */
1505 msglist = reallok(msglist,
1506 (num_msgs * sizeof(long)));
1508 if (msglist == NULL) {
1509 lprintf(3, "ERROR: can't realloc message list!\n");
1511 msglist[num_msgs - 1] = msgid;
1513 /* Sort the message list, so all the msgid's are in order */
1514 num_msgs = sort_msglist(msglist, num_msgs);
1516 /* Determine the highest message number */
1517 highest_msg = msglist[num_msgs - 1];
1519 /* Write it back to disk. */
1520 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1521 msglist, num_msgs * sizeof(long));
1523 /* Free up the memory we used. */
1526 /* Update the highest-message pointer and unlock the room. */
1527 CC->quickroom.QRhighest = highest_msg;
1528 lputroom(&CC->quickroom);
1529 getroom(&CC->quickroom, hold_rm);
1531 /* Bump the reference count for this message. */
1532 if ((flags & SM_DONT_BUMP_REF)==0) {
1533 AdjRefCount(msgid, +1);
1536 /* Return success. */
1537 if (msg != NULL) CtdlFreeMessage(msg);
1544 * Message base operation to send a message to the master file
1545 * (returns new message number)
1547 * This is the back end for CtdlSubmitMsg() and should not be directly
1548 * called by server-side modules.
1551 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1552 FILE *save_a_copy) /* save a copy to disk? */
1559 /* Get a new message number */
1560 newmsgid = get_new_message_number();
1561 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1563 /* Generate an ID if we don't have one already */
1564 if (msg->cm_fields['I']==NULL) {
1565 msg->cm_fields['I'] = strdoop(msgidbuf);
1568 serialize_message(&smr, msg);
1571 cprintf("%d Unable to serialize message\n",
1572 ERROR+INTERNAL_ERROR);
1576 /* Write our little bundle of joy into the message base */
1577 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1578 smr.ser, smr.len) < 0) {
1579 lprintf(2, "Can't store message\n");
1585 /* If the caller specified that a copy should be saved to a particular
1586 * file handle, do that now too.
1588 if (save_a_copy != NULL) {
1589 fwrite(smr.ser, smr.len, 1, save_a_copy);
1592 /* Free the memory we used for the serialized message */
1595 /* Return the *local* message ID to the caller
1596 * (even if we're storing an incoming network message)
1604 * Serialize a struct CtdlMessage into the format used on disk and network.
1606 * This function loads up a "struct ser_ret" (defined in server.h) which
1607 * contains the length of the serialized message and a pointer to the
1608 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1610 void serialize_message(struct ser_ret *ret, /* return values */
1611 struct CtdlMessage *msg) /* unserialized msg */
1615 static char *forder = FORDER;
1617 if (is_valid_message(msg) == 0) return; /* self check */
1620 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1621 ret->len = ret->len +
1622 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1624 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1625 ret->ser = mallok(ret->len);
1626 if (ret->ser == NULL) {
1632 ret->ser[1] = msg->cm_anon_type;
1633 ret->ser[2] = msg->cm_format_type;
1636 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1637 ret->ser[wlen++] = (char)forder[i];
1638 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1639 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1641 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1642 (long)ret->len, (long)wlen);
1650 * Back end for the ReplicationChecks() function
1652 void check_repl(long msgnum, void *userdata) {
1653 struct CtdlMessage *msg;
1654 time_t timestamp = (-1L);
1656 lprintf(9, "check_repl() found message %ld\n", msgnum);
1657 msg = CtdlFetchMessage(msgnum);
1658 if (msg == NULL) return;
1659 if (msg->cm_fields['T'] != NULL) {
1660 timestamp = atol(msg->cm_fields['T']);
1662 CtdlFreeMessage(msg);
1664 if (timestamp > msg_repl->highest) {
1665 msg_repl->highest = timestamp; /* newer! */
1666 lprintf(9, "newer!\n");
1669 lprintf(9, "older!\n");
1671 /* Existing isn't newer? Then delete the old one(s). */
1672 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1677 * Check to see if any messages already exist which carry the same Extended ID
1681 * -> With older timestamps: delete them and return 0. Message will be saved.
1682 * -> With newer timestamps: return 1. Message save will be aborted.
1684 int ReplicationChecks(struct CtdlMessage *msg) {
1685 struct CtdlMessage *template;
1688 lprintf(9, "ReplicationChecks() started\n");
1689 /* No extended id? Don't do anything. */
1690 if (msg->cm_fields['E'] == NULL) return 0;
1691 if (strlen(msg->cm_fields['E']) == 0) return 0;
1692 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1694 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1695 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1696 msg_repl->highest = atol(msg->cm_fields['T']);
1698 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1699 memset(template, 0, sizeof(struct CtdlMessage));
1700 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1702 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1704 /* If a newer message exists with the same Extended ID, abort
1707 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1711 CtdlFreeMessage(template);
1712 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1720 * Save a message to disk and submit it into the delivery system.
1722 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1723 struct recptypes *recps, /* recipients (if mail) */
1724 char *force /* force a particular room? */
1727 char hold_rm[ROOMNAMELEN];
1728 char actual_rm[ROOMNAMELEN];
1729 char force_room[ROOMNAMELEN];
1730 char content_type[SIZ]; /* We have to learn this */
1731 char recipient[SIZ];
1734 struct usersupp userbuf;
1736 struct MetaData smi;
1737 FILE *network_fp = NULL;
1738 static int seqnum = 1;
1739 struct CtdlMessage *imsg = NULL;
1742 char *hold_R, *hold_D;
1744 lprintf(9, "CtdlSubmitMsg() called\n");
1745 if (is_valid_message(msg) == 0) return(-1); /* self check */
1747 /* If this message has no timestamp, we take the liberty of
1748 * giving it one, right now.
1750 if (msg->cm_fields['T'] == NULL) {
1751 lprintf(9, "Generating timestamp\n");
1752 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1753 msg->cm_fields['T'] = strdoop(aaa);
1756 /* If this message has no path, we generate one.
1758 if (msg->cm_fields['P'] == NULL) {
1759 lprintf(9, "Generating path\n");
1760 if (msg->cm_fields['A'] != NULL) {
1761 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1762 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1763 if (isspace(msg->cm_fields['P'][a])) {
1764 msg->cm_fields['P'][a] = ' ';
1769 msg->cm_fields['P'] = strdoop("unknown");
1773 strcpy(force_room, force);
1775 /* Learn about what's inside, because it's what's inside that counts */
1776 lprintf(9, "Learning what's inside\n");
1777 if (msg->cm_fields['M'] == NULL) {
1778 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1781 switch (msg->cm_format_type) {
1783 strcpy(content_type, "text/x-citadel-variformat");
1786 strcpy(content_type, "text/plain");
1789 strcpy(content_type, "text/plain");
1790 /* advance past header fields */
1791 mptr = msg->cm_fields['M'];
1794 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1795 safestrncpy(content_type, mptr,
1796 sizeof(content_type));
1797 strcpy(content_type, &content_type[14]);
1798 for (a = 0; a < strlen(content_type); ++a)
1799 if ((content_type[a] == ';')
1800 || (content_type[a] == ' ')
1801 || (content_type[a] == 13)
1802 || (content_type[a] == 10))
1803 content_type[a] = 0;
1810 /* Goto the correct room */
1811 lprintf(9, "Switching rooms\n");
1812 strcpy(hold_rm, CC->quickroom.QRname);
1813 strcpy(actual_rm, CC->quickroom.QRname);
1814 if (recps != NULL) {
1815 strcpy(actual_rm, SENTITEMS);
1818 /* If the user is a twit, move to the twit room for posting */
1819 lprintf(9, "Handling twit stuff\n");
1821 if (CC->usersupp.axlevel == 2) {
1822 strcpy(hold_rm, actual_rm);
1823 strcpy(actual_rm, config.c_twitroom);
1827 /* ...or if this message is destined for Aide> then go there. */
1828 if (strlen(force_room) > 0) {
1829 strcpy(actual_rm, force_room);
1832 lprintf(9, "Possibly relocating\n");
1833 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1834 getroom(&CC->quickroom, actual_rm);
1838 * If this message has no O (room) field, generate one.
1840 if (msg->cm_fields['O'] == NULL) {
1841 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1844 /* Perform "before save" hooks (aborting if any return nonzero) */
1845 lprintf(9, "Performing before-save hooks\n");
1846 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1848 /* If this message has an Extended ID, perform replication checks */
1849 lprintf(9, "Performing replication checks\n");
1850 if (ReplicationChecks(msg) > 0) return(-1);
1852 /* Save it to disk */
1853 lprintf(9, "Saving to disk\n");
1854 newmsgid = send_message(msg, NULL);
1855 if (newmsgid <= 0L) return(-1);
1857 /* Write a supplemental message info record. This doesn't have to
1858 * be a critical section because nobody else knows about this message
1861 lprintf(9, "Creating MetaData record\n");
1862 memset(&smi, 0, sizeof(struct MetaData));
1863 smi.meta_msgnum = newmsgid;
1864 smi.meta_refcount = 0;
1865 safestrncpy(smi.meta_content_type, content_type, 64);
1868 /* Now figure out where to store the pointers */
1869 lprintf(9, "Storing pointers\n");
1871 /* If this is being done by the networker delivering a private
1872 * message, we want to BYPASS saving the sender's copy (because there
1873 * is no local sender; it would otherwise go to the Trashcan).
1875 if ((!CC->internal_pgm) || (recps == NULL)) {
1876 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
1877 lprintf(3, "ERROR saving message pointer!\n");
1878 CtdlSaveMsgPointerInRoom(AIDEROOM, newmsgid, 0);
1882 /* For internet mail, drop a copy in the outbound queue room */
1884 if (recps->num_internet > 0) {
1885 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
1888 /* If other rooms are specified, drop them there too. */
1890 if (recps->num_room > 0)
1891 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
1892 extract(recipient, recps->recp_room, i);
1893 lprintf(9, "Delivering to local room <%s>\n", recipient);
1894 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
1897 /* Bump this user's messages posted counter. */
1898 lprintf(9, "Updating user\n");
1899 lgetuser(&CC->usersupp, CC->curr_user);
1900 CC->usersupp.posted = CC->usersupp.posted + 1;
1901 lputuser(&CC->usersupp);
1903 /* If this is private, local mail, make a copy in the
1904 * recipient's mailbox and bump the reference count.
1907 if (recps->num_local > 0)
1908 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
1909 extract(recipient, recps->recp_local, i);
1910 lprintf(9, "Delivering private local mail to <%s>\n",
1912 if (getuser(&userbuf, recipient) == 0) {
1913 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
1914 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1915 BumpNewMailCounter(userbuf.usernum);
1918 lprintf(9, "No user <%s>\n", recipient);
1919 CtdlSaveMsgPointerInRoom(AIDEROOM, newmsgid, 0);
1923 /* Perform "after save" hooks */
1924 lprintf(9, "Performing after-save hooks\n");
1925 PerformMessageHooks(msg, EVT_AFTERSAVE);
1927 /* For IGnet mail, we have to save a new copy into the spooler for
1928 * each recipient, with the R and D fields set to the recipient and
1929 * destination-node. This has two ugly side effects: all other
1930 * recipients end up being unlisted in this recipient's copy of the
1931 * message, and it has to deliver multiple messages to the same
1932 * node. We'll revisit this again in a year or so when everyone has
1933 * a network spool receiver that can handle the new style messages.
1936 if (recps->num_ignet > 0)
1937 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
1938 extract(recipient, recps->recp_ignet, i);
1940 hold_R = msg->cm_fields['R'];
1941 hold_D = msg->cm_fields['D'];
1942 msg->cm_fields['R'] = mallok(SIZ);
1943 msg->cm_fields['D'] = mallok(SIZ);
1944 extract_token(msg->cm_fields['R'], recipient, 0, '@');
1945 extract_token(msg->cm_fields['D'], recipient, 1, '@');
1947 serialize_message(&smr, msg);
1949 snprintf(aaa, sizeof aaa,
1950 "./network/spoolin/netmail.%04lx.%04x.%04x",
1951 (long) getpid(), CC->cs_pid, ++seqnum);
1952 network_fp = fopen(aaa, "wb+");
1953 if (network_fp != NULL) {
1954 fwrite(smr.ser, smr.len, 1, network_fp);
1960 phree(msg->cm_fields['R']);
1961 phree(msg->cm_fields['D']);
1962 msg->cm_fields['R'] = hold_R;
1963 msg->cm_fields['D'] = hold_D;
1966 /* Go back to the room we started from */
1967 lprintf(9, "Returning to original room\n");
1968 if (strcasecmp(hold_rm, CC->quickroom.QRname))
1969 getroom(&CC->quickroom, hold_rm);
1971 /* For internet mail, generate delivery instructions.
1972 * Yes, this is recursive. Deal with it. Infinite recursion does
1973 * not happen because the delivery instructions message does not
1974 * contain a recipient.
1977 if (recps->num_internet > 0) {
1978 lprintf(9, "Generating delivery instructions\n");
1979 instr = mallok(SIZ * 2);
1980 snprintf(instr, SIZ * 2,
1981 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
1983 SPOOLMIME, newmsgid, (long)time(NULL),
1984 msg->cm_fields['A'], msg->cm_fields['N']
1987 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
1988 size_t tmp = strlen(instr);
1989 extract(recipient, recps->recp_internet, i);
1990 snprintf(&instr[tmp], SIZ * 2 - tmp,
1991 "remote|%s|0||\n", recipient);
1994 imsg = mallok(sizeof(struct CtdlMessage));
1995 memset(imsg, 0, sizeof(struct CtdlMessage));
1996 imsg->cm_magic = CTDLMESSAGE_MAGIC;
1997 imsg->cm_anon_type = MES_NORMAL;
1998 imsg->cm_format_type = FMT_RFC822;
1999 imsg->cm_fields['A'] = strdoop("Citadel");
2000 imsg->cm_fields['M'] = instr;
2001 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2002 CtdlFreeMessage(imsg);
2011 * Convenience function for generating small administrative messages.
2013 void quickie_message(char *from, char *to, char *room, char *text)
2015 struct CtdlMessage *msg;
2017 msg = mallok(sizeof(struct CtdlMessage));
2018 memset(msg, 0, sizeof(struct CtdlMessage));
2019 msg->cm_magic = CTDLMESSAGE_MAGIC;
2020 msg->cm_anon_type = MES_NORMAL;
2021 msg->cm_format_type = 0;
2022 msg->cm_fields['A'] = strdoop(from);
2023 msg->cm_fields['O'] = strdoop(room);
2024 msg->cm_fields['N'] = strdoop(NODENAME);
2026 msg->cm_fields['R'] = strdoop(to);
2027 msg->cm_fields['M'] = strdoop(text);
2029 CtdlSubmitMsg(msg, NULL, room);
2030 CtdlFreeMessage(msg);
2031 syslog(LOG_NOTICE, text);
2037 * Back end function used by make_message() and similar functions
2039 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2040 size_t maxlen, /* maximum message length */
2041 char *exist /* if non-null, append to it;
2042 exist is ALWAYS freed */
2046 size_t message_len = 0;
2047 size_t buffer_len = 0;
2051 if (exist == NULL) {
2058 message_len = strlen(exist);
2059 buffer_len = message_len + 4096;
2060 m = reallok(exist, buffer_len);
2067 /* flush the input if we have nowhere to store it */
2069 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2073 /* read in the lines of message text one by one */
2074 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2076 /* strip trailing newline type stuff */
2077 if (buf[strlen(buf)-1]==10) buf[strlen(buf)-1]=0;
2078 if (buf[strlen(buf)-1]==13) buf[strlen(buf)-1]=0;
2080 linelen = strlen(buf);
2082 /* augment the buffer if we have to */
2083 if ((message_len + linelen + 2) > buffer_len) {
2084 lprintf(9, "realloking\n");
2085 ptr = reallok(m, (buffer_len * 2) );
2086 if (ptr == NULL) { /* flush if can't allocate */
2087 while ( (client_gets(buf)>0) &&
2088 strcmp(buf, terminator)) ;;
2091 buffer_len = (buffer_len * 2);
2093 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2097 /* Add the new line to the buffer. NOTE: this loop must avoid
2098 * using functions like strcat() and strlen() because they
2099 * traverse the entire buffer upon every call, and doing that
2100 * for a multi-megabyte message slows it down beyond usability.
2102 strcpy(&m[message_len], buf);
2103 m[message_len + linelen] = '\n';
2104 m[message_len + linelen + 1] = 0;
2105 message_len = message_len + linelen + 1;
2107 /* if we've hit the max msg length, flush the rest */
2108 if (message_len >= maxlen) {
2109 while ( (client_gets(buf)>0)
2110 && strcmp(buf, terminator)) ;;
2121 * Build a binary message to be saved on disk.
2124 static struct CtdlMessage *make_message(
2125 struct usersupp *author, /* author's usersupp structure */
2126 char *recipient, /* NULL if it's not mail */
2127 char *room, /* room where it's going */
2128 int type, /* see MES_ types in header file */
2129 int format_type, /* variformat, plain text, MIME... */
2130 char *fake_name, /* who we're masquerading as */
2131 char *subject /* Subject (optional) */
2133 char dest_node[SIZ];
2135 struct CtdlMessage *msg;
2137 msg = mallok(sizeof(struct CtdlMessage));
2138 memset(msg, 0, sizeof(struct CtdlMessage));
2139 msg->cm_magic = CTDLMESSAGE_MAGIC;
2140 msg->cm_anon_type = type;
2141 msg->cm_format_type = format_type;
2143 /* Don't confuse the poor folks if it's not routed mail. */
2144 strcpy(dest_node, "");
2148 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2149 msg->cm_fields['P'] = strdoop(buf);
2151 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2152 msg->cm_fields['T'] = strdoop(buf);
2154 if (fake_name[0]) /* author */
2155 msg->cm_fields['A'] = strdoop(fake_name);
2157 msg->cm_fields['A'] = strdoop(author->fullname);
2159 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2160 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2163 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2166 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2167 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2169 if (recipient[0] != 0) {
2170 msg->cm_fields['R'] = strdoop(recipient);
2172 if (dest_node[0] != 0) {
2173 msg->cm_fields['D'] = strdoop(dest_node);
2176 if ( (author == &CC->usersupp) && (CC->cs_inet_email != NULL) ) {
2177 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2180 if (subject != NULL) {
2182 if (strlen(subject) > 0) {
2183 msg->cm_fields['U'] = strdoop(subject);
2187 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2188 config.c_maxmsglen, NULL);
2195 * Check to see whether we have permission to post a message in the current
2196 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2197 * returns 0 on success.
2199 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2201 if (!(CC->logged_in)) {
2202 snprintf(errmsgbuf, n, "Not logged in.");
2203 return (ERROR + NOT_LOGGED_IN);
2206 if ((CC->usersupp.axlevel < 2)
2207 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2208 snprintf(errmsgbuf, n, "Need to be validated to enter "
2209 "(except in %s> to sysop)", MAILROOM);
2210 return (ERROR + HIGHER_ACCESS_REQUIRED);
2213 if ((CC->usersupp.axlevel < 4)
2214 && (CC->quickroom.QRflags & QR_NETWORK)) {
2215 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2216 return (ERROR + HIGHER_ACCESS_REQUIRED);
2219 if ((CC->usersupp.axlevel < 6)
2220 && (CC->quickroom.QRflags & QR_READONLY)) {
2221 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2222 return (ERROR + HIGHER_ACCESS_REQUIRED);
2225 strcpy(errmsgbuf, "Ok");
2231 * Validate recipients, count delivery types and errors, and handle aliasing
2232 * FIXME check for dupes!!!!!
2234 struct recptypes *validate_recipients(char *recipients) {
2235 struct recptypes *ret;
2236 char this_recp[SIZ];
2237 char this_recp_cooked[SIZ];
2243 struct usersupp tempUS;
2244 struct quickroom tempQR;
2247 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2248 if (ret == NULL) return(NULL);
2249 memset(ret, 0, sizeof(struct recptypes));
2252 ret->num_internet = 0;
2257 if (recipients == NULL) {
2260 else if (strlen(recipients) == 0) {
2264 /* Change all valid separator characters to commas */
2265 for (i=0; i<strlen(recipients); ++i) {
2266 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2267 recipients[i] = ',';
2272 num_recps = num_tokens(recipients, ',');
2275 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2276 extract_token(this_recp, recipients, i, ',');
2278 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2279 mailtype = alias(this_recp);
2280 mailtype = alias(this_recp);
2281 mailtype = alias(this_recp);
2282 for (j=0; j<=strlen(this_recp); ++j) {
2283 if (this_recp[j]=='_') {
2284 this_recp_cooked[j] = ' ';
2287 this_recp_cooked[j] = this_recp[j];
2293 if (!strcasecmp(this_recp, "sysop")) {
2295 strcpy(this_recp, AIDEROOM);
2296 if (strlen(ret->recp_room) > 0) {
2297 strcat(ret->recp_room, "|");
2299 strcat(ret->recp_room, this_recp);
2301 else if (getuser(&tempUS, this_recp) == 0) {
2303 strcpy(this_recp, tempUS.fullname);
2304 if (strlen(ret->recp_local) > 0) {
2305 strcat(ret->recp_local, "|");
2307 strcat(ret->recp_local, this_recp);
2309 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2311 strcpy(this_recp, tempUS.fullname);
2312 if (strlen(ret->recp_local) > 0) {
2313 strcat(ret->recp_local, "|");
2315 strcat(ret->recp_local, this_recp);
2317 else if ( (!strncasecmp(this_recp, "room_", 5))
2318 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2320 if (strlen(ret->recp_room) > 0) {
2321 strcat(ret->recp_room, "|");
2323 strcat(ret->recp_room, &this_recp_cooked[5]);
2331 ++ret->num_internet;
2332 if (strlen(ret->recp_internet) > 0) {
2333 strcat(ret->recp_internet, "|");
2335 strcat(ret->recp_internet, this_recp);
2339 if (strlen(ret->recp_ignet) > 0) {
2340 strcat(ret->recp_ignet, "|");
2342 strcat(ret->recp_ignet, this_recp);
2350 if (strlen(ret->errormsg) == 0) {
2351 snprintf(append, sizeof append,
2352 "Invalid recipient: %s",
2356 snprintf(append, sizeof append,
2359 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2360 strcat(ret->errormsg, append);
2364 if (strlen(ret->display_recp) == 0) {
2365 strcpy(append, this_recp);
2368 snprintf(append, sizeof append, ", %s",
2371 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2372 strcat(ret->display_recp, append);
2377 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2378 ret->num_room + ret->num_error) == 0) {
2380 strcpy(ret->errormsg, "No recipients specified.");
2383 lprintf(9, "validate_recipients()\n");
2384 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2385 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2386 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2387 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2388 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2396 * message entry - mode 0 (normal)
2398 void cmd_ent0(char *entargs)
2402 char masquerade_as[SIZ];
2404 int format_type = 0;
2405 char newusername[SIZ];
2406 struct CtdlMessage *msg;
2410 struct recptypes *valid = NULL;
2413 post = extract_int(entargs, 0);
2414 extract(recp, entargs, 1);
2415 anon_flag = extract_int(entargs, 2);
2416 format_type = extract_int(entargs, 3);
2417 extract(subject, entargs, 4);
2419 /* first check to make sure the request is valid. */
2421 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2423 cprintf("%d %s\n", err, errmsg);
2427 /* Check some other permission type things. */
2430 if (CC->usersupp.axlevel < 6) {
2431 cprintf("%d You don't have permission to masquerade.\n",
2432 ERROR + HIGHER_ACCESS_REQUIRED);
2435 extract(newusername, entargs, 4);
2436 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2437 safestrncpy(CC->fake_postname, newusername,
2438 sizeof(CC->fake_postname) );
2439 cprintf("%d ok\n", CIT_OK);
2442 CC->cs_flags |= CS_POSTING;
2444 /* In the Mail> room we have to behave a little differently --
2445 * make sure the user has specified at least one recipient. Then
2446 * validate the recipient(s).
2448 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2449 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2451 if (CC->usersupp.axlevel < 2) {
2452 strcpy(recp, "sysop");
2455 valid = validate_recipients(recp);
2456 if (valid->num_error > 0) {
2458 ERROR + NO_SUCH_USER, valid->errormsg);
2463 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2464 && (CC->usersupp.axlevel < 4) ) {
2465 cprintf("%d Higher access required for network mail.\n",
2466 ERROR + HIGHER_ACCESS_REQUIRED);
2471 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2472 && ((CC->usersupp.flags & US_INTERNET) == 0)
2473 && (!CC->internal_pgm)) {
2474 cprintf("%d You don't have access to Internet mail.\n",
2475 ERROR + HIGHER_ACCESS_REQUIRED);
2482 /* Is this a room which has anonymous-only or anonymous-option? */
2483 anonymous = MES_NORMAL;
2484 if (CC->quickroom.QRflags & QR_ANONONLY) {
2485 anonymous = MES_ANONONLY;
2487 if (CC->quickroom.QRflags & QR_ANONOPT) {
2488 if (anon_flag == 1) { /* only if the user requested it */
2489 anonymous = MES_ANONOPT;
2493 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2497 /* If we're only checking the validity of the request, return
2498 * success without creating the message.
2501 cprintf("%d %s\n", CIT_OK,
2502 ((valid != NULL) ? valid->display_recp : "") );
2507 /* Handle author masquerading */
2508 if (CC->fake_postname[0]) {
2509 strcpy(masquerade_as, CC->fake_postname);
2511 else if (CC->fake_username[0]) {
2512 strcpy(masquerade_as, CC->fake_username);
2515 strcpy(masquerade_as, "");
2518 /* Read in the message from the client. */
2519 cprintf("%d send message\n", SEND_LISTING);
2520 msg = make_message(&CC->usersupp, recp,
2521 CC->quickroom.QRname, anonymous, format_type,
2522 masquerade_as, subject);
2525 CtdlSubmitMsg(msg, valid, "");
2526 CtdlFreeMessage(msg);
2528 CC->fake_postname[0] = '\0';
2536 * API function to delete messages which match a set of criteria
2537 * (returns the actual number of messages deleted)
2539 int CtdlDeleteMessages(char *room_name, /* which room */
2540 long dmsgnum, /* or "0" for any */
2541 char *content_type /* or "" for any */
2545 struct quickroom qrbuf;
2546 struct cdbdata *cdbfr;
2547 long *msglist = NULL;
2548 long *dellist = NULL;
2551 int num_deleted = 0;
2553 struct MetaData smi;
2555 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2556 room_name, dmsgnum, content_type);
2558 /* get room record, obtaining a lock... */
2559 if (lgetroom(&qrbuf, room_name) != 0) {
2560 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2562 return (0); /* room not found */
2564 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2566 if (cdbfr != NULL) {
2567 msglist = mallok(cdbfr->len);
2568 dellist = mallok(cdbfr->len);
2569 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2570 num_msgs = cdbfr->len / sizeof(long);
2574 for (i = 0; i < num_msgs; ++i) {
2577 /* Set/clear a bit for each criterion */
2579 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2580 delete_this |= 0x01;
2582 if (strlen(content_type) == 0) {
2583 delete_this |= 0x02;
2585 GetMetaData(&smi, msglist[i]);
2586 if (!strcasecmp(smi.meta_content_type,
2588 delete_this |= 0x02;
2592 /* Delete message only if all bits are set */
2593 if (delete_this == 0x03) {
2594 dellist[num_deleted++] = msglist[i];
2599 num_msgs = sort_msglist(msglist, num_msgs);
2600 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2601 msglist, (num_msgs * sizeof(long)));
2603 qrbuf.QRhighest = msglist[num_msgs - 1];
2607 /* Go through the messages we pulled out of the index, and decrement
2608 * their reference counts by 1. If this is the only room the message
2609 * was in, the reference count will reach zero and the message will
2610 * automatically be deleted from the database. We do this in a
2611 * separate pass because there might be plug-in hooks getting called,
2612 * and we don't want that happening during an S_QUICKROOM critical
2615 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2616 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2617 AdjRefCount(dellist[i], -1);
2620 /* Now free the memory we used, and go away. */
2621 if (msglist != NULL) phree(msglist);
2622 if (dellist != NULL) phree(dellist);
2623 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2624 return (num_deleted);
2630 * Check whether the current user has permission to delete messages from
2631 * the current room (returns 1 for yes, 0 for no)
2633 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2634 getuser(&CC->usersupp, CC->curr_user);
2635 if ((CC->usersupp.axlevel < 6)
2636 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2637 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2638 && (!(CC->internal_pgm))) {
2647 * Delete message from current room
2649 void cmd_dele(char *delstr)
2654 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2655 cprintf("%d Higher access required.\n",
2656 ERROR + HIGHER_ACCESS_REQUIRED);
2659 delnum = extract_long(delstr, 0);
2661 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2664 cprintf("%d %d message%s deleted.\n", CIT_OK,
2665 num_deleted, ((num_deleted != 1) ? "s" : ""));
2667 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2673 * Back end API function for moves and deletes
2675 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2678 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2679 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2680 if (err != 0) return(err);
2688 * move or copy a message to another room
2690 void cmd_move(char *args)
2694 struct quickroom qtemp;
2698 num = extract_long(args, 0);
2699 extract(targ, args, 1);
2700 targ[ROOMNAMELEN - 1] = 0;
2701 is_copy = extract_int(args, 2);
2703 if (getroom(&qtemp, targ) != 0) {
2704 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2708 getuser(&CC->usersupp, CC->curr_user);
2709 /* Aides can move/copy */
2710 if ((CC->usersupp.axlevel < 6)
2711 /* Roomaides can move/copy */
2712 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2713 /* Permit move/copy to/from personal rooms */
2714 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2715 && (qtemp.QRflags & QR_MAILBOX)))
2716 /* Permit only copy from public to personal room */
2717 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2718 && (qtemp.QRflags & QR_MAILBOX)))) {
2719 cprintf("%d Higher access required.\n",
2720 ERROR + HIGHER_ACCESS_REQUIRED);
2724 err = CtdlCopyMsgToRoom(num, targ);
2726 cprintf("%d Cannot store message in %s: error %d\n",
2731 /* Now delete the message from the source room,
2732 * if this is a 'move' rather than a 'copy' operation.
2735 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2738 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2744 * GetMetaData() - Get the supplementary record for a message
2746 void GetMetaData(struct MetaData *smibuf, long msgnum)
2749 struct cdbdata *cdbsmi;
2752 memset(smibuf, 0, sizeof(struct MetaData));
2753 smibuf->meta_msgnum = msgnum;
2754 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2756 /* Use the negative of the message number for its supp record index */
2757 TheIndex = (0L - msgnum);
2759 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2760 if (cdbsmi == NULL) {
2761 return; /* record not found; go with defaults */
2763 memcpy(smibuf, cdbsmi->ptr,
2764 ((cdbsmi->len > sizeof(struct MetaData)) ?
2765 sizeof(struct MetaData) : cdbsmi->len));
2772 * PutMetaData() - (re)write supplementary record for a message
2774 void PutMetaData(struct MetaData *smibuf)
2778 /* Use the negative of the message number for the metadata db index */
2779 TheIndex = (0L - smibuf->meta_msgnum);
2781 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2782 smibuf->meta_msgnum, smibuf->meta_refcount);
2784 cdb_store(CDB_MSGMAIN,
2785 &TheIndex, sizeof(long),
2786 smibuf, sizeof(struct MetaData));
2791 * AdjRefCount - change the reference count for a message;
2792 * delete the message if it reaches zero
2794 void AdjRefCount(long msgnum, int incr)
2797 struct MetaData smi;
2800 /* This is a *tight* critical section; please keep it that way, as
2801 * it may get called while nested in other critical sections.
2802 * Complicating this any further will surely cause deadlock!
2804 begin_critical_section(S_SUPPMSGMAIN);
2805 GetMetaData(&smi, msgnum);
2806 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2807 msgnum, smi.meta_refcount);
2808 smi.meta_refcount += incr;
2810 end_critical_section(S_SUPPMSGMAIN);
2811 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2812 msgnum, smi.meta_refcount);
2814 /* If the reference count is now zero, delete the message
2815 * (and its supplementary record as well).
2817 if (smi.meta_refcount == 0) {
2818 lprintf(9, "Deleting message <%ld>\n", msgnum);
2820 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2822 /* We have to delete the metadata record too! */
2823 delnum = (0L - msgnum);
2824 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2829 * Write a generic object to this room
2831 * Note: this could be much more efficient. Right now we use two temporary
2832 * files, and still pull the message into memory as with all others.
2834 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2835 char *content_type, /* MIME type of this object */
2836 char *tempfilename, /* Where to fetch it from */
2837 struct usersupp *is_mailbox, /* Mailbox room? */
2838 int is_binary, /* Is encoding necessary? */
2839 int is_unique, /* Del others of this type? */
2840 unsigned int flags /* Internal save flags */
2845 char filename[PATH_MAX];
2848 struct quickroom qrbuf;
2849 char roomname[ROOMNAMELEN];
2850 struct CtdlMessage *msg;
2853 if (is_mailbox != NULL)
2854 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
2856 safestrncpy(roomname, req_room, sizeof(roomname));
2857 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2859 strcpy(filename, tmpnam(NULL));
2860 fp = fopen(filename, "w");
2864 tempfp = fopen(tempfilename, "r");
2865 if (tempfp == NULL) {
2871 fprintf(fp, "Content-type: %s\n", content_type);
2872 lprintf(9, "Content-type: %s\n", content_type);
2874 if (is_binary == 0) {
2875 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2876 while (ch = getc(tempfp), ch > 0)
2882 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2885 snprintf(cmdbuf, sizeof cmdbuf, "./base64 -e <%s >>%s",
2886 tempfilename, filename);
2890 lprintf(9, "Allocating\n");
2891 msg = mallok(sizeof(struct CtdlMessage));
2892 memset(msg, 0, sizeof(struct CtdlMessage));
2893 msg->cm_magic = CTDLMESSAGE_MAGIC;
2894 msg->cm_anon_type = MES_NORMAL;
2895 msg->cm_format_type = 4;
2896 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2897 msg->cm_fields['O'] = strdoop(req_room);
2898 msg->cm_fields['N'] = strdoop(config.c_nodename);
2899 msg->cm_fields['H'] = strdoop(config.c_humannode);
2900 msg->cm_flags = flags;
2902 lprintf(9, "Loading\n");
2903 fp = fopen(filename, "rb");
2904 fseek(fp, 0L, SEEK_END);
2907 msg->cm_fields['M'] = mallok(len);
2908 fread(msg->cm_fields['M'], len, 1, fp);
2912 /* Create the requested room if we have to. */
2913 if (getroom(&qrbuf, roomname) != 0) {
2914 create_room(roomname,
2915 ( (is_mailbox != NULL) ? 5 : 3 ),
2918 /* If the caller specified this object as unique, delete all
2919 * other objects of this type that are currently in the room.
2922 lprintf(9, "Deleted %d other msgs of this type\n",
2923 CtdlDeleteMessages(roomname, 0L, content_type));
2925 /* Now write the data */
2926 CtdlSubmitMsg(msg, NULL, roomname);
2927 CtdlFreeMessage(msg);
2935 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
2936 config_msgnum = msgnum;
2940 char *CtdlGetSysConfig(char *sysconfname) {
2941 char hold_rm[ROOMNAMELEN];
2944 struct CtdlMessage *msg;
2947 strcpy(hold_rm, CC->quickroom.QRname);
2948 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
2949 getroom(&CC->quickroom, hold_rm);
2954 /* We want the last (and probably only) config in this room */
2955 begin_critical_section(S_CONFIG);
2956 config_msgnum = (-1L);
2957 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
2958 CtdlGetSysConfigBackend, NULL);
2959 msgnum = config_msgnum;
2960 end_critical_section(S_CONFIG);
2966 msg = CtdlFetchMessage(msgnum);
2968 conf = strdoop(msg->cm_fields['M']);
2969 CtdlFreeMessage(msg);
2976 getroom(&CC->quickroom, hold_rm);
2978 if (conf != NULL) do {
2979 extract_token(buf, conf, 0, '\n');
2980 strcpy(conf, &conf[strlen(buf)+1]);
2981 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
2986 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
2987 char temp[PATH_MAX];
2990 strcpy(temp, tmpnam(NULL));
2992 fp = fopen(temp, "w");
2993 if (fp == NULL) return;
2994 fprintf(fp, "%s", sysconfdata);
2997 /* this handy API function does all the work for us */
2998 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);