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);
712 * Callback function for multipart prefix
714 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
715 void *content, char *cbtype, size_t length, char *encoding,
718 cprintf("pref=%s|%s\n", partnum, cbtype);
722 * Callback function for multipart sufffix
724 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
725 void *content, char *cbtype, size_t length, char *encoding,
728 cprintf("suff=%s|%s\n", partnum, cbtype);
733 * Callback function for mime parser that opens a section for downloading
735 void mime_download(char *name, char *filename, char *partnum, char *disp,
736 void *content, char *cbtype, size_t length, char *encoding,
740 /* Silently go away if there's already a download open... */
741 if (CC->download_fp != NULL)
744 /* ...or if this is not the desired section */
745 if (strcasecmp(desired_section, partnum))
748 CC->download_fp = tmpfile();
749 if (CC->download_fp == NULL)
752 fwrite(content, length, 1, CC->download_fp);
753 fflush(CC->download_fp);
754 rewind(CC->download_fp);
756 OpenCmdResult(filename, cbtype);
762 * Load a message from disk into memory.
763 * This is used by CtdlOutputMsg() and other fetch functions.
765 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
766 * using the CtdlMessageFree() function.
768 struct CtdlMessage *CtdlFetchMessage(long msgnum)
770 struct cdbdata *dmsgtext;
771 struct CtdlMessage *ret = NULL;
774 CIT_UBYTE field_header;
777 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
778 if (dmsgtext == NULL) {
781 mptr = dmsgtext->ptr;
783 /* Parse the three bytes that begin EVERY message on disk.
784 * The first is always 0xFF, the on-disk magic number.
785 * The second is the anonymous/public type byte.
786 * The third is the format type byte (vari, fixed, or MIME).
790 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
794 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
795 memset(ret, 0, sizeof(struct CtdlMessage));
797 ret->cm_magic = CTDLMESSAGE_MAGIC;
798 ret->cm_anon_type = *mptr++; /* Anon type byte */
799 ret->cm_format_type = *mptr++; /* Format type byte */
802 * The rest is zero or more arbitrary fields. Load them in.
803 * We're done when we encounter either a zero-length field or
804 * have just processed the 'M' (message text) field.
807 field_length = strlen(mptr);
808 if (field_length == 0)
810 field_header = *mptr++;
811 ret->cm_fields[field_header] = mallok(field_length);
812 strcpy(ret->cm_fields[field_header], mptr);
814 while (*mptr++ != 0); /* advance to next field */
816 } while ((field_length > 0) && (field_header != 'M'));
820 /* Always make sure there's something in the msg text field */
821 if (ret->cm_fields['M'] == NULL)
822 ret->cm_fields['M'] = strdoop("<no text>\n");
824 /* Perform "before read" hooks (aborting if any return nonzero) */
825 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
826 CtdlFreeMessage(ret);
835 * Returns 1 if the supplied pointer points to a valid Citadel message.
836 * If the pointer is NULL or the magic number check fails, returns 0.
838 int is_valid_message(struct CtdlMessage *msg) {
841 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
842 lprintf(3, "is_valid_message() -- self-check failed\n");
850 * 'Destructor' for struct CtdlMessage
852 void CtdlFreeMessage(struct CtdlMessage *msg)
856 if (is_valid_message(msg) == 0) return;
858 for (i = 0; i < 256; ++i)
859 if (msg->cm_fields[i] != NULL) {
860 phree(msg->cm_fields[i]);
863 msg->cm_magic = 0; /* just in case */
869 * Pre callback function for multipart/alternative
871 * NOTE: this differs from the standard behavior for a reason. Normally when
872 * displaying multipart/alternative you want to show the _last_ usable
873 * format in the message. Here we show the _first_ one, because it's
874 * usually text/plain. Since this set of functions is designed for text
875 * output to non-MIME-aware clients, this is the desired behavior.
878 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
879 void *content, char *cbtype, size_t length, char *encoding,
882 lprintf(9, "fixed_output_pre() type=<%s>\n", cbtype);
883 if (!strcasecmp(cbtype, "multipart/alternative")) {
891 * Post callback function for multipart/alternative
893 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
894 void *content, char *cbtype, size_t length, char *encoding,
897 lprintf(9, "fixed_output_post() type=<%s>\n", cbtype);
898 if (!strcasecmp(cbtype, "multipart/alternative")) {
906 * Inline callback function for mime parser that wants to display text
908 void fixed_output(char *name, char *filename, char *partnum, char *disp,
909 void *content, char *cbtype, size_t length, char *encoding,
916 lprintf(9, "fixed_output() type=<%s>\n", cbtype);
919 * If we're in the middle of a multipart/alternative scope and
920 * we've already printed another section, skip this one.
922 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
923 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
928 if ( (!strcasecmp(cbtype, "text/plain"))
929 || (strlen(cbtype)==0) ) {
932 client_write(wptr, length);
933 if (wptr[length-1] != '\n') {
938 else if (!strcasecmp(cbtype, "text/html")) {
939 ptr = html_to_ascii(content, 80, 0);
941 client_write(ptr, wlen);
942 if (ptr[wlen-1] != '\n') {
947 else if (strncasecmp(cbtype, "multipart/", 10)) {
948 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
949 partnum, filename, cbtype, (long)length);
954 * The client is elegant and sophisticated and wants to be choosy about
955 * MIME content types, so figure out which multipart/alternative part
956 * we're going to send.
958 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
959 void *content, char *cbtype, size_t length, char *encoding,
966 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
967 extract(buf, CC->preferred_formats, i);
968 if (!strcasecmp(buf, cbtype)) {
969 strcpy(ma->chosen_part, partnum);
976 * Now that we've chosen our preferred part, output it.
978 void output_preferred(char *name, char *filename, char *partnum, char *disp,
979 void *content, char *cbtype, size_t length, char *encoding,
987 /* This is not the MIME part you're looking for... */
988 if (strcasecmp(partnum, ma->chosen_part)) return;
990 /* If the content-type of this part is in our preferred formats
991 * list, we can simply output it verbatim.
993 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
994 extract(buf, CC->preferred_formats, i);
995 if (!strcasecmp(buf, cbtype)) {
996 /* Yeah! Go! W00t!! */
998 text_content = (char *)content;
999 if (text_content[length-1] != '\n') {
1003 cprintf("Content-type: %s\n", cbtype);
1004 cprintf("Content-length: %d\n",
1005 length + add_newline);
1006 cprintf("Content-transfer-encoding: %s\n", encoding);
1008 client_write(content, length);
1009 if (add_newline) cprintf("\n");
1014 /* No translations required or possible: output as text/plain */
1015 cprintf("Content-type: text/plain\n\n");
1016 fixed_output(name, filename, partnum, disp, content, cbtype,
1017 length, encoding, cbuserdata);
1022 * Get a message off disk. (returns om_* values found in msgbase.h)
1025 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1026 int mode, /* how would you like that message? */
1027 int headers_only, /* eschew the message body? */
1028 int do_proto, /* do Citadel protocol responses? */
1029 int crlf /* Use CRLF newlines instead of LF? */
1031 struct CtdlMessage *TheMessage;
1034 lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
1039 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1040 if (do_proto) cprintf("%d Not logged in.\n",
1041 ERROR + NOT_LOGGED_IN);
1042 return(om_not_logged_in);
1045 /* FIXME ... small security issue
1046 * We need to check to make sure the requested message is actually
1047 * in the current room, and set msg_ok to 1 only if it is. This
1048 * functionality is currently missing because I'm in a hurry to replace
1049 * broken production code with nonbroken pre-beta code. :( -- ajc
1052 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
1054 return(om_no_such_msg);
1059 * Fetch the message from disk. We also keep the most recently
1060 * read message in memory, in case we want to read it again, or fetch
1061 * MIME parts out of it, or whatever.
1063 if ( (CC->cached_msg != NULL) && (CC->cached_msgnum == msg_num) ) {
1064 TheMessage = CC->cached_msg;
1067 TheMessage = CtdlFetchMessage(msg_num);
1068 if (CC->cached_msg != NULL) {
1069 phree(CC->cached_msg);
1071 CC->cached_msg = TheMessage;
1072 CC->cached_msgnum = msg_num;
1075 if (TheMessage == NULL) {
1076 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1078 return(om_no_such_msg);
1081 retcode = CtdlOutputPreLoadedMsg(
1082 TheMessage, msg_num, mode,
1083 headers_only, do_proto, crlf);
1085 /* don't free the memory; we're keeping it in the cache */
1086 /* CtdlFreeMessage(TheMessage); */
1093 * Get a message off disk. (returns om_* values found in msgbase.h)
1096 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
1098 int mode, /* how would you like that message? */
1099 int headers_only, /* eschew the message body? */
1100 int do_proto, /* do Citadel protocol responses? */
1101 int crlf /* Use CRLF newlines instead of LF? */
1107 char display_name[SIZ];
1109 char *nl; /* newline string */
1112 /* buffers needed for RFC822 translation */
1119 char datestamp[SIZ];
1122 snprintf(mid, sizeof mid, "%ld", msg_num);
1123 nl = (crlf ? "\r\n" : "\n");
1125 if (!is_valid_message(TheMessage)) {
1126 lprintf(1, "ERROR: invalid preloaded message for output\n");
1127 return(om_no_such_msg);
1130 /* Are we downloading a MIME component? */
1131 if (mode == MT_DOWNLOAD) {
1132 if (TheMessage->cm_format_type != FMT_RFC822) {
1134 cprintf("%d This is not a MIME message.\n",
1136 } else if (CC->download_fp != NULL) {
1137 if (do_proto) cprintf(
1138 "%d You already have a download open.\n",
1141 /* Parse the message text component */
1142 mptr = TheMessage->cm_fields['M'];
1143 mime_parser(mptr, NULL,
1144 *mime_download, NULL, NULL,
1146 /* If there's no file open by this time, the requested
1147 * section wasn't found, so print an error
1149 if (CC->download_fp == NULL) {
1150 if (do_proto) cprintf(
1151 "%d Section %s not found.\n",
1152 ERROR + FILE_NOT_FOUND,
1156 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1159 /* now for the user-mode message reading loops */
1160 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1162 /* Tell the client which format type we're using. */
1163 if ( (mode == MT_CITADEL) && (do_proto) ) {
1164 cprintf("type=%d\n", TheMessage->cm_format_type);
1167 /* nhdr=yes means that we're only displaying headers, no body */
1168 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1169 && (mode == MT_CITADEL)
1172 cprintf("nhdr=yes\n");
1175 /* begin header processing loop for Citadel message format */
1177 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1179 strcpy(display_name, "<unknown>");
1180 if (TheMessage->cm_fields['A']) {
1181 strcpy(buf, TheMessage->cm_fields['A']);
1182 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1183 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1184 strcpy(display_name, "****");
1186 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1187 strcpy(display_name, "anonymous");
1190 strcpy(display_name, buf);
1192 if ((is_room_aide())
1193 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1194 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1195 size_t tmp = strlen(display_name);
1196 snprintf(&display_name[tmp],
1197 sizeof display_name - tmp,
1202 /* Don't show Internet address for users on the
1203 * local Citadel network.
1206 if (TheMessage->cm_fields['N'] != NULL)
1207 if (strlen(TheMessage->cm_fields['N']) > 0)
1208 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1212 /* Now spew the header fields in the order we like them. */
1213 strcpy(allkeys, FORDER);
1214 for (i=0; i<strlen(allkeys); ++i) {
1215 k = (int) allkeys[i];
1217 if ( (TheMessage->cm_fields[k] != NULL)
1218 && (msgkeys[k] != NULL) ) {
1220 if (do_proto) cprintf("%s=%s\n",
1224 else if ((k == 'F') && (suppress_f)) {
1227 /* Masquerade display name if needed */
1229 if (do_proto) cprintf("%s=%s\n",
1231 TheMessage->cm_fields[k]
1240 /* begin header processing loop for RFC822 transfer format */
1245 strcpy(snode, NODENAME);
1246 strcpy(lnode, HUMANNODE);
1247 if (mode == MT_RFC822) {
1248 cprintf("X-UIDL: %ld%s", msg_num, nl);
1249 for (i = 0; i < 256; ++i) {
1250 if (TheMessage->cm_fields[i]) {
1251 mptr = TheMessage->cm_fields[i];
1254 strcpy(luser, mptr);
1255 strcpy(suser, mptr);
1258 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1259 into thinking that mail messages are newsgroup messages instead. When we
1260 add NNTP support back into Citadel we'll have to add code to only output
1261 this field when appropriate.
1262 else if (i == 'P') {
1263 cprintf("Path: %s%s", mptr, nl);
1267 cprintf("Subject: %s%s", mptr, nl);
1269 safestrncpy(mid, mptr, sizeof mid);
1271 safestrncpy(lnode, mptr, sizeof lnode);
1273 safestrncpy(fuser, mptr, sizeof fuser);
1275 cprintf("X-Citadel-Room: %s%s",
1278 safestrncpy(snode, mptr, sizeof snode);
1280 cprintf("To: %s%s", mptr, nl);
1281 else if (i == 'T') {
1282 datestring(datestamp, sizeof datestamp,
1283 atol(mptr), DATESTRING_RFC822);
1284 cprintf("Date: %s%s", datestamp, nl);
1290 for (i=0; i<strlen(suser); ++i) {
1291 suser[i] = tolower(suser[i]);
1292 if (!isalnum(suser[i])) suser[i]='_';
1295 if (mode == MT_RFC822) {
1296 if (!strcasecmp(snode, NODENAME)) {
1297 strcpy(snode, FQDN);
1300 /* Construct a fun message id */
1301 cprintf("Message-ID: <%s", mid);
1302 if (strchr(mid, '@')==NULL) {
1303 cprintf("@%s", snode);
1307 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1309 if (strlen(fuser) > 0) {
1310 cprintf("From: %s (%s)%s", fuser, luser, nl);
1313 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1316 cprintf("Organization: %s%s", lnode, nl);
1319 /* end header processing loop ... at this point, we're in the text */
1321 mptr = TheMessage->cm_fields['M'];
1323 /* Tell the client about the MIME parts in this message */
1324 if (TheMessage->cm_format_type == FMT_RFC822) {
1325 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1326 mime_parser(mptr, NULL,
1332 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1333 /* FIXME ... we have to put some code in here to avoid
1334 * printing duplicate header information when both
1335 * Citadel and RFC822 headers exist. Preference should
1336 * probably be given to the RFC822 headers.
1338 while (ch=*(mptr++), ch!=0) {
1340 else if (ch==10) cprintf("%s", nl);
1341 else cprintf("%c", ch);
1343 if (do_proto) cprintf("000\n");
1349 if (do_proto) cprintf("000\n");
1353 /* signify start of msg text */
1354 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1355 if (do_proto) cprintf("text\n");
1357 if (mode == MT_RFC822) {
1358 if (TheMessage->cm_fields['U'] == NULL) {
1359 cprintf("Subject: (no subject)%s", nl);
1364 /* If the format type on disk is 1 (fixed-format), then we want
1365 * everything to be output completely literally ... regardless of
1366 * what message transfer format is in use.
1368 if (TheMessage->cm_format_type == FMT_FIXED) {
1369 if (mode == MT_MIME) {
1370 cprintf("Content-type: text/plain\n\n");
1373 while (ch = *mptr++, ch > 0) {
1376 if ((ch == 10) || (strlen(buf) > 250)) {
1377 cprintf("%s%s", buf, nl);
1380 buf[strlen(buf) + 1] = 0;
1381 buf[strlen(buf)] = ch;
1384 if (strlen(buf) > 0)
1385 cprintf("%s%s", buf, nl);
1388 /* If the message on disk is format 0 (Citadel vari-format), we
1389 * output using the formatter at 80 columns. This is the final output
1390 * form if the transfer format is RFC822, but if the transfer format
1391 * is Citadel proprietary, it'll still work, because the indentation
1392 * for new paragraphs is correct and the client will reformat the
1393 * message to the reader's screen width.
1395 if (TheMessage->cm_format_type == FMT_CITADEL) {
1396 if (mode == MT_MIME) {
1397 cprintf("Content-type: text/x-citadel-variformat\n\n");
1399 memfmout(80, mptr, 0, nl);
1402 /* If the message on disk is format 4 (MIME), we've gotta hand it
1403 * off to the MIME parser. The client has already been told that
1404 * this message is format 1 (fixed format), so the callback function
1405 * we use will display those parts as-is.
1407 if (TheMessage->cm_format_type == FMT_RFC822) {
1408 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1409 memset(ma, 0, sizeof(struct ma_info));
1411 if (mode == MT_MIME) {
1412 strcpy(ma->chosen_part, "1");
1413 mime_parser(mptr, NULL,
1414 *choose_preferred, *fixed_output_pre,
1415 *fixed_output_post, NULL, 0);
1416 mime_parser(mptr, NULL,
1417 *output_preferred, NULL, NULL, NULL, 0);
1420 mime_parser(mptr, NULL,
1421 *fixed_output, *fixed_output_pre,
1422 *fixed_output_post, NULL, 0);
1426 /* now we're done */
1427 if (do_proto) cprintf("000\n");
1434 * display a message (mode 0 - Citadel proprietary)
1436 void cmd_msg0(char *cmdbuf)
1439 int headers_only = 0;
1441 msgid = extract_long(cmdbuf, 0);
1442 headers_only = extract_int(cmdbuf, 1);
1444 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1450 * display a message (mode 2 - RFC822)
1452 void cmd_msg2(char *cmdbuf)
1455 int headers_only = 0;
1457 msgid = extract_long(cmdbuf, 0);
1458 headers_only = extract_int(cmdbuf, 1);
1460 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1466 * display a message (mode 3 - IGnet raw format - internal programs only)
1468 void cmd_msg3(char *cmdbuf)
1471 struct CtdlMessage *msg;
1474 if (CC->internal_pgm == 0) {
1475 cprintf("%d This command is for internal programs only.\n",
1480 msgnum = extract_long(cmdbuf, 0);
1481 msg = CtdlFetchMessage(msgnum);
1483 cprintf("%d Message %ld not found.\n",
1488 serialize_message(&smr, msg);
1489 CtdlFreeMessage(msg);
1492 cprintf("%d Unable to serialize message\n",
1493 ERROR+INTERNAL_ERROR);
1497 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1498 client_write(smr.ser, smr.len);
1505 * Display a message using MIME content types
1507 void cmd_msg4(char *cmdbuf)
1511 msgid = extract_long(cmdbuf, 0);
1512 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1518 * Client tells us its preferred message format(s)
1520 void cmd_msgp(char *cmdbuf)
1522 safestrncpy(CC->preferred_formats, cmdbuf,
1523 sizeof(CC->preferred_formats));
1524 cprintf("%d ok\n", CIT_OK);
1529 * Open a component of a MIME message as a download file
1531 void cmd_opna(char *cmdbuf)
1535 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1537 msgid = extract_long(cmdbuf, 0);
1538 extract(desired_section, cmdbuf, 1);
1540 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1545 * Save a message pointer into a specified room
1546 * (Returns 0 for success, nonzero for failure)
1547 * roomname may be NULL to use the current room
1549 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1551 char hold_rm[ROOMNAMELEN];
1552 struct cdbdata *cdbfr;
1555 long highest_msg = 0L;
1556 struct CtdlMessage *msg = NULL;
1558 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1559 roomname, msgid, flags);
1561 strcpy(hold_rm, CC->quickroom.QRname);
1563 /* We may need to check to see if this message is real */
1564 if ( (flags & SM_VERIFY_GOODNESS)
1565 || (flags & SM_DO_REPL_CHECK)
1567 msg = CtdlFetchMessage(msgid);
1568 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1571 /* Perform replication checks if necessary */
1572 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1574 if (getroom(&CC->quickroom,
1575 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1577 lprintf(9, "No such room <%s>\n", roomname);
1578 if (msg != NULL) CtdlFreeMessage(msg);
1579 return(ERROR + ROOM_NOT_FOUND);
1582 if (ReplicationChecks(msg) != 0) {
1583 getroom(&CC->quickroom, hold_rm);
1584 if (msg != NULL) CtdlFreeMessage(msg);
1585 lprintf(9, "Did replication, and newer exists\n");
1590 /* Now the regular stuff */
1591 if (lgetroom(&CC->quickroom,
1592 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1594 lprintf(9, "No such room <%s>\n", roomname);
1595 if (msg != NULL) CtdlFreeMessage(msg);
1596 return(ERROR + ROOM_NOT_FOUND);
1599 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1600 if (cdbfr == NULL) {
1604 msglist = mallok(cdbfr->len);
1605 if (msglist == NULL)
1606 lprintf(3, "ERROR malloc msglist!\n");
1607 num_msgs = cdbfr->len / sizeof(long);
1608 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1613 /* Make sure the message doesn't already exist in this room. It
1614 * is absolutely taboo to have more than one reference to the same
1615 * message in a room.
1617 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1618 if (msglist[i] == msgid) {
1619 lputroom(&CC->quickroom); /* unlock the room */
1620 getroom(&CC->quickroom, hold_rm);
1621 if (msg != NULL) CtdlFreeMessage(msg);
1622 return(ERROR + ALREADY_EXISTS);
1626 /* Now add the new message */
1628 msglist = reallok(msglist,
1629 (num_msgs * sizeof(long)));
1631 if (msglist == NULL) {
1632 lprintf(3, "ERROR: can't realloc message list!\n");
1634 msglist[num_msgs - 1] = msgid;
1636 /* Sort the message list, so all the msgid's are in order */
1637 num_msgs = sort_msglist(msglist, num_msgs);
1639 /* Determine the highest message number */
1640 highest_msg = msglist[num_msgs - 1];
1642 /* Write it back to disk. */
1643 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1644 msglist, num_msgs * sizeof(long));
1646 /* Free up the memory we used. */
1649 /* Update the highest-message pointer and unlock the room. */
1650 CC->quickroom.QRhighest = highest_msg;
1651 lputroom(&CC->quickroom);
1652 getroom(&CC->quickroom, hold_rm);
1654 /* Bump the reference count for this message. */
1655 if ((flags & SM_DONT_BUMP_REF)==0) {
1656 AdjRefCount(msgid, +1);
1659 /* Return success. */
1660 if (msg != NULL) CtdlFreeMessage(msg);
1667 * Message base operation to send a message to the master file
1668 * (returns new message number)
1670 * This is the back end for CtdlSubmitMsg() and should not be directly
1671 * called by server-side modules.
1674 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1675 FILE *save_a_copy) /* save a copy to disk? */
1682 /* Get a new message number */
1683 newmsgid = get_new_message_number();
1684 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1686 /* Generate an ID if we don't have one already */
1687 if (msg->cm_fields['I']==NULL) {
1688 msg->cm_fields['I'] = strdoop(msgidbuf);
1691 serialize_message(&smr, msg);
1694 cprintf("%d Unable to serialize message\n",
1695 ERROR+INTERNAL_ERROR);
1699 /* Write our little bundle of joy into the message base */
1700 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1701 smr.ser, smr.len) < 0) {
1702 lprintf(2, "Can't store message\n");
1708 /* If the caller specified that a copy should be saved to a particular
1709 * file handle, do that now too.
1711 if (save_a_copy != NULL) {
1712 fwrite(smr.ser, smr.len, 1, save_a_copy);
1715 /* Free the memory we used for the serialized message */
1718 /* Return the *local* message ID to the caller
1719 * (even if we're storing an incoming network message)
1727 * Serialize a struct CtdlMessage into the format used on disk and network.
1729 * This function loads up a "struct ser_ret" (defined in server.h) which
1730 * contains the length of the serialized message and a pointer to the
1731 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1733 void serialize_message(struct ser_ret *ret, /* return values */
1734 struct CtdlMessage *msg) /* unserialized msg */
1738 static char *forder = FORDER;
1740 if (is_valid_message(msg) == 0) return; /* self check */
1743 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1744 ret->len = ret->len +
1745 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1747 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1748 ret->ser = mallok(ret->len);
1749 if (ret->ser == NULL) {
1755 ret->ser[1] = msg->cm_anon_type;
1756 ret->ser[2] = msg->cm_format_type;
1759 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1760 ret->ser[wlen++] = (char)forder[i];
1761 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1762 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1764 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1765 (long)ret->len, (long)wlen);
1773 * Back end for the ReplicationChecks() function
1775 void check_repl(long msgnum, void *userdata) {
1776 struct CtdlMessage *msg;
1777 time_t timestamp = (-1L);
1779 lprintf(9, "check_repl() found message %ld\n", msgnum);
1780 msg = CtdlFetchMessage(msgnum);
1781 if (msg == NULL) return;
1782 if (msg->cm_fields['T'] != NULL) {
1783 timestamp = atol(msg->cm_fields['T']);
1785 CtdlFreeMessage(msg);
1787 if (timestamp > msg_repl->highest) {
1788 msg_repl->highest = timestamp; /* newer! */
1789 lprintf(9, "newer!\n");
1792 lprintf(9, "older!\n");
1794 /* Existing isn't newer? Then delete the old one(s). */
1795 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1800 * Check to see if any messages already exist which carry the same Extended ID
1804 * -> With older timestamps: delete them and return 0. Message will be saved.
1805 * -> With newer timestamps: return 1. Message save will be aborted.
1807 int ReplicationChecks(struct CtdlMessage *msg) {
1808 struct CtdlMessage *template;
1811 lprintf(9, "ReplicationChecks() started\n");
1812 /* No extended id? Don't do anything. */
1813 if (msg->cm_fields['E'] == NULL) return 0;
1814 if (strlen(msg->cm_fields['E']) == 0) return 0;
1815 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1817 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1818 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1819 msg_repl->highest = atol(msg->cm_fields['T']);
1821 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1822 memset(template, 0, sizeof(struct CtdlMessage));
1823 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1825 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1827 /* If a newer message exists with the same Extended ID, abort
1830 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1834 CtdlFreeMessage(template);
1835 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1843 * Save a message to disk and submit it into the delivery system.
1845 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1846 struct recptypes *recps, /* recipients (if mail) */
1847 char *force /* force a particular room? */
1850 char hold_rm[ROOMNAMELEN];
1851 char actual_rm[ROOMNAMELEN];
1852 char force_room[ROOMNAMELEN];
1853 char content_type[SIZ]; /* We have to learn this */
1854 char recipient[SIZ];
1857 struct usersupp userbuf;
1859 struct MetaData smi;
1860 FILE *network_fp = NULL;
1861 static int seqnum = 1;
1862 struct CtdlMessage *imsg = NULL;
1865 char *hold_R, *hold_D;
1867 lprintf(9, "CtdlSubmitMsg() called\n");
1868 if (is_valid_message(msg) == 0) return(-1); /* self check */
1870 /* If this message has no timestamp, we take the liberty of
1871 * giving it one, right now.
1873 if (msg->cm_fields['T'] == NULL) {
1874 lprintf(9, "Generating timestamp\n");
1875 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1876 msg->cm_fields['T'] = strdoop(aaa);
1879 /* If this message has no path, we generate one.
1881 if (msg->cm_fields['P'] == NULL) {
1882 lprintf(9, "Generating path\n");
1883 if (msg->cm_fields['A'] != NULL) {
1884 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1885 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1886 if (isspace(msg->cm_fields['P'][a])) {
1887 msg->cm_fields['P'][a] = ' ';
1892 msg->cm_fields['P'] = strdoop("unknown");
1896 strcpy(force_room, force);
1898 /* Learn about what's inside, because it's what's inside that counts */
1899 lprintf(9, "Learning what's inside\n");
1900 if (msg->cm_fields['M'] == NULL) {
1901 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1904 switch (msg->cm_format_type) {
1906 strcpy(content_type, "text/x-citadel-variformat");
1909 strcpy(content_type, "text/plain");
1912 strcpy(content_type, "text/plain");
1913 /* advance past header fields */
1914 mptr = msg->cm_fields['M'];
1917 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1918 safestrncpy(content_type, mptr,
1919 sizeof(content_type));
1920 strcpy(content_type, &content_type[14]);
1921 for (a = 0; a < strlen(content_type); ++a)
1922 if ((content_type[a] == ';')
1923 || (content_type[a] == ' ')
1924 || (content_type[a] == 13)
1925 || (content_type[a] == 10))
1926 content_type[a] = 0;
1933 /* Goto the correct room */
1934 lprintf(9, "Switching rooms\n");
1935 strcpy(hold_rm, CC->quickroom.QRname);
1936 strcpy(actual_rm, CC->quickroom.QRname);
1937 if (recps != NULL) {
1938 strcpy(actual_rm, SENTITEMS);
1941 /* If the user is a twit, move to the twit room for posting */
1942 lprintf(9, "Handling twit stuff\n");
1944 if (CC->usersupp.axlevel == 2) {
1945 strcpy(hold_rm, actual_rm);
1946 strcpy(actual_rm, config.c_twitroom);
1950 /* ...or if this message is destined for Aide> then go there. */
1951 if (strlen(force_room) > 0) {
1952 strcpy(actual_rm, force_room);
1955 lprintf(9, "Possibly relocating\n");
1956 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1957 getroom(&CC->quickroom, actual_rm);
1961 * If this message has no O (room) field, generate one.
1963 if (msg->cm_fields['O'] == NULL) {
1964 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1967 /* Perform "before save" hooks (aborting if any return nonzero) */
1968 lprintf(9, "Performing before-save hooks\n");
1969 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1971 /* If this message has an Extended ID, perform replication checks */
1972 lprintf(9, "Performing replication checks\n");
1973 if (ReplicationChecks(msg) > 0) return(-1);
1975 /* Save it to disk */
1976 lprintf(9, "Saving to disk\n");
1977 newmsgid = send_message(msg, NULL);
1978 if (newmsgid <= 0L) return(-1);
1980 /* Write a supplemental message info record. This doesn't have to
1981 * be a critical section because nobody else knows about this message
1984 lprintf(9, "Creating MetaData record\n");
1985 memset(&smi, 0, sizeof(struct MetaData));
1986 smi.meta_msgnum = newmsgid;
1987 smi.meta_refcount = 0;
1988 safestrncpy(smi.meta_content_type, content_type, 64);
1991 /* Now figure out where to store the pointers */
1992 lprintf(9, "Storing pointers\n");
1994 /* If this is being done by the networker delivering a private
1995 * message, we want to BYPASS saving the sender's copy (because there
1996 * is no local sender; it would otherwise go to the Trashcan).
1998 if ((!CC->internal_pgm) || (recps == NULL)) {
1999 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2000 lprintf(3, "ERROR saving message pointer!\n");
2001 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2005 /* For internet mail, drop a copy in the outbound queue room */
2007 if (recps->num_internet > 0) {
2008 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2011 /* If other rooms are specified, drop them there too. */
2013 if (recps->num_room > 0)
2014 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2015 extract(recipient, recps->recp_room, i);
2016 lprintf(9, "Delivering to local room <%s>\n", recipient);
2017 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2020 /* Bump this user's messages posted counter. */
2021 lprintf(9, "Updating user\n");
2022 lgetuser(&CC->usersupp, CC->curr_user);
2023 CC->usersupp.posted = CC->usersupp.posted + 1;
2024 lputuser(&CC->usersupp);
2026 /* If this is private, local mail, make a copy in the
2027 * recipient's mailbox and bump the reference count.
2030 if (recps->num_local > 0)
2031 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2032 extract(recipient, recps->recp_local, i);
2033 lprintf(9, "Delivering private local mail to <%s>\n",
2035 if (getuser(&userbuf, recipient) == 0) {
2036 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2037 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2038 BumpNewMailCounter(userbuf.usernum);
2041 lprintf(9, "No user <%s>\n", recipient);
2042 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2046 /* Perform "after save" hooks */
2047 lprintf(9, "Performing after-save hooks\n");
2048 PerformMessageHooks(msg, EVT_AFTERSAVE);
2050 /* For IGnet mail, we have to save a new copy into the spooler for
2051 * each recipient, with the R and D fields set to the recipient and
2052 * destination-node. This has two ugly side effects: all other
2053 * recipients end up being unlisted in this recipient's copy of the
2054 * message, and it has to deliver multiple messages to the same
2055 * node. We'll revisit this again in a year or so when everyone has
2056 * a network spool receiver that can handle the new style messages.
2059 if (recps->num_ignet > 0)
2060 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2061 extract(recipient, recps->recp_ignet, i);
2063 hold_R = msg->cm_fields['R'];
2064 hold_D = msg->cm_fields['D'];
2065 msg->cm_fields['R'] = mallok(SIZ);
2066 msg->cm_fields['D'] = mallok(SIZ);
2067 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2068 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2070 serialize_message(&smr, msg);
2072 snprintf(aaa, sizeof aaa,
2073 "./network/spoolin/netmail.%04lx.%04x.%04x",
2074 (long) getpid(), CC->cs_pid, ++seqnum);
2075 network_fp = fopen(aaa, "wb+");
2076 if (network_fp != NULL) {
2077 fwrite(smr.ser, smr.len, 1, network_fp);
2083 phree(msg->cm_fields['R']);
2084 phree(msg->cm_fields['D']);
2085 msg->cm_fields['R'] = hold_R;
2086 msg->cm_fields['D'] = hold_D;
2089 /* Go back to the room we started from */
2090 lprintf(9, "Returning to original room\n");
2091 if (strcasecmp(hold_rm, CC->quickroom.QRname))
2092 getroom(&CC->quickroom, hold_rm);
2094 /* For internet mail, generate delivery instructions.
2095 * Yes, this is recursive. Deal with it. Infinite recursion does
2096 * not happen because the delivery instructions message does not
2097 * contain a recipient.
2100 if (recps->num_internet > 0) {
2101 lprintf(9, "Generating delivery instructions\n");
2102 instr = mallok(SIZ * 2);
2103 snprintf(instr, SIZ * 2,
2104 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2106 SPOOLMIME, newmsgid, (long)time(NULL),
2107 msg->cm_fields['A'], msg->cm_fields['N']
2110 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2111 size_t tmp = strlen(instr);
2112 extract(recipient, recps->recp_internet, i);
2113 snprintf(&instr[tmp], SIZ * 2 - tmp,
2114 "remote|%s|0||\n", recipient);
2117 imsg = mallok(sizeof(struct CtdlMessage));
2118 memset(imsg, 0, sizeof(struct CtdlMessage));
2119 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2120 imsg->cm_anon_type = MES_NORMAL;
2121 imsg->cm_format_type = FMT_RFC822;
2122 imsg->cm_fields['A'] = strdoop("Citadel");
2123 imsg->cm_fields['M'] = instr;
2124 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2125 CtdlFreeMessage(imsg);
2134 * Convenience function for generating small administrative messages.
2136 void quickie_message(char *from, char *to, char *room, char *text)
2138 struct CtdlMessage *msg;
2140 msg = mallok(sizeof(struct CtdlMessage));
2141 memset(msg, 0, sizeof(struct CtdlMessage));
2142 msg->cm_magic = CTDLMESSAGE_MAGIC;
2143 msg->cm_anon_type = MES_NORMAL;
2144 msg->cm_format_type = 0;
2145 msg->cm_fields['A'] = strdoop(from);
2146 msg->cm_fields['O'] = strdoop(room);
2147 msg->cm_fields['N'] = strdoop(NODENAME);
2149 msg->cm_fields['R'] = strdoop(to);
2150 msg->cm_fields['M'] = strdoop(text);
2152 CtdlSubmitMsg(msg, NULL, room);
2153 CtdlFreeMessage(msg);
2154 syslog(LOG_NOTICE, text);
2160 * Back end function used by make_message() and similar functions
2162 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2163 size_t maxlen, /* maximum message length */
2164 char *exist /* if non-null, append to it;
2165 exist is ALWAYS freed */
2169 size_t message_len = 0;
2170 size_t buffer_len = 0;
2174 if (exist == NULL) {
2181 message_len = strlen(exist);
2182 buffer_len = message_len + 4096;
2183 m = reallok(exist, buffer_len);
2190 /* flush the input if we have nowhere to store it */
2192 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2196 /* read in the lines of message text one by one */
2197 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2199 /* strip trailing newline type stuff */
2200 if (buf[strlen(buf)-1]==10) buf[strlen(buf)-1]=0;
2201 if (buf[strlen(buf)-1]==13) buf[strlen(buf)-1]=0;
2203 linelen = strlen(buf);
2205 /* augment the buffer if we have to */
2206 if ((message_len + linelen + 2) > buffer_len) {
2207 lprintf(9, "realloking\n");
2208 ptr = reallok(m, (buffer_len * 2) );
2209 if (ptr == NULL) { /* flush if can't allocate */
2210 while ( (client_gets(buf)>0) &&
2211 strcmp(buf, terminator)) ;;
2214 buffer_len = (buffer_len * 2);
2216 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2220 /* Add the new line to the buffer. NOTE: this loop must avoid
2221 * using functions like strcat() and strlen() because they
2222 * traverse the entire buffer upon every call, and doing that
2223 * for a multi-megabyte message slows it down beyond usability.
2225 strcpy(&m[message_len], buf);
2226 m[message_len + linelen] = '\n';
2227 m[message_len + linelen + 1] = 0;
2228 message_len = message_len + linelen + 1;
2230 /* if we've hit the max msg length, flush the rest */
2231 if (message_len >= maxlen) {
2232 while ( (client_gets(buf)>0)
2233 && strcmp(buf, terminator)) ;;
2244 * Build a binary message to be saved on disk.
2247 static struct CtdlMessage *make_message(
2248 struct usersupp *author, /* author's usersupp structure */
2249 char *recipient, /* NULL if it's not mail */
2250 char *room, /* room where it's going */
2251 int type, /* see MES_ types in header file */
2252 int format_type, /* variformat, plain text, MIME... */
2253 char *fake_name, /* who we're masquerading as */
2254 char *subject /* Subject (optional) */
2256 char dest_node[SIZ];
2258 struct CtdlMessage *msg;
2260 msg = mallok(sizeof(struct CtdlMessage));
2261 memset(msg, 0, sizeof(struct CtdlMessage));
2262 msg->cm_magic = CTDLMESSAGE_MAGIC;
2263 msg->cm_anon_type = type;
2264 msg->cm_format_type = format_type;
2266 /* Don't confuse the poor folks if it's not routed mail. */
2267 strcpy(dest_node, "");
2271 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2272 msg->cm_fields['P'] = strdoop(buf);
2274 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2275 msg->cm_fields['T'] = strdoop(buf);
2277 if (fake_name[0]) /* author */
2278 msg->cm_fields['A'] = strdoop(fake_name);
2280 msg->cm_fields['A'] = strdoop(author->fullname);
2282 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2283 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2286 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2289 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2290 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2292 if (recipient[0] != 0) {
2293 msg->cm_fields['R'] = strdoop(recipient);
2295 if (dest_node[0] != 0) {
2296 msg->cm_fields['D'] = strdoop(dest_node);
2299 if ( (author == &CC->usersupp) && (CC->cs_inet_email != NULL) ) {
2300 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2303 if (subject != NULL) {
2305 if (strlen(subject) > 0) {
2306 msg->cm_fields['U'] = strdoop(subject);
2310 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2311 config.c_maxmsglen, NULL);
2318 * Check to see whether we have permission to post a message in the current
2319 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2320 * returns 0 on success.
2322 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2324 if (!(CC->logged_in)) {
2325 snprintf(errmsgbuf, n, "Not logged in.");
2326 return (ERROR + NOT_LOGGED_IN);
2329 if ((CC->usersupp.axlevel < 2)
2330 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2331 snprintf(errmsgbuf, n, "Need to be validated to enter "
2332 "(except in %s> to sysop)", MAILROOM);
2333 return (ERROR + HIGHER_ACCESS_REQUIRED);
2336 if ((CC->usersupp.axlevel < 4)
2337 && (CC->quickroom.QRflags & QR_NETWORK)) {
2338 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2339 return (ERROR + HIGHER_ACCESS_REQUIRED);
2342 if ((CC->usersupp.axlevel < 6)
2343 && (CC->quickroom.QRflags & QR_READONLY)) {
2344 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2345 return (ERROR + HIGHER_ACCESS_REQUIRED);
2348 strcpy(errmsgbuf, "Ok");
2354 * Validate recipients, count delivery types and errors, and handle aliasing
2355 * FIXME check for dupes!!!!!
2357 struct recptypes *validate_recipients(char *recipients) {
2358 struct recptypes *ret;
2359 char this_recp[SIZ];
2360 char this_recp_cooked[SIZ];
2366 struct usersupp tempUS;
2367 struct quickroom tempQR;
2370 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2371 if (ret == NULL) return(NULL);
2372 memset(ret, 0, sizeof(struct recptypes));
2375 ret->num_internet = 0;
2380 if (recipients == NULL) {
2383 else if (strlen(recipients) == 0) {
2387 /* Change all valid separator characters to commas */
2388 for (i=0; i<strlen(recipients); ++i) {
2389 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2390 recipients[i] = ',';
2395 num_recps = num_tokens(recipients, ',');
2398 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2399 extract_token(this_recp, recipients, i, ',');
2401 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2402 mailtype = alias(this_recp);
2403 mailtype = alias(this_recp);
2404 mailtype = alias(this_recp);
2405 for (j=0; j<=strlen(this_recp); ++j) {
2406 if (this_recp[j]=='_') {
2407 this_recp_cooked[j] = ' ';
2410 this_recp_cooked[j] = this_recp[j];
2416 if (!strcasecmp(this_recp, "sysop")) {
2418 strcpy(this_recp, config.c_aideroom);
2419 if (strlen(ret->recp_room) > 0) {
2420 strcat(ret->recp_room, "|");
2422 strcat(ret->recp_room, this_recp);
2424 else if (getuser(&tempUS, this_recp) == 0) {
2426 strcpy(this_recp, tempUS.fullname);
2427 if (strlen(ret->recp_local) > 0) {
2428 strcat(ret->recp_local, "|");
2430 strcat(ret->recp_local, this_recp);
2432 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2434 strcpy(this_recp, tempUS.fullname);
2435 if (strlen(ret->recp_local) > 0) {
2436 strcat(ret->recp_local, "|");
2438 strcat(ret->recp_local, this_recp);
2440 else if ( (!strncasecmp(this_recp, "room_", 5))
2441 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2443 if (strlen(ret->recp_room) > 0) {
2444 strcat(ret->recp_room, "|");
2446 strcat(ret->recp_room, &this_recp_cooked[5]);
2454 ++ret->num_internet;
2455 if (strlen(ret->recp_internet) > 0) {
2456 strcat(ret->recp_internet, "|");
2458 strcat(ret->recp_internet, this_recp);
2462 if (strlen(ret->recp_ignet) > 0) {
2463 strcat(ret->recp_ignet, "|");
2465 strcat(ret->recp_ignet, this_recp);
2473 if (strlen(ret->errormsg) == 0) {
2474 snprintf(append, sizeof append,
2475 "Invalid recipient: %s",
2479 snprintf(append, sizeof append,
2482 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2483 strcat(ret->errormsg, append);
2487 if (strlen(ret->display_recp) == 0) {
2488 strcpy(append, this_recp);
2491 snprintf(append, sizeof append, ", %s",
2494 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2495 strcat(ret->display_recp, append);
2500 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2501 ret->num_room + ret->num_error) == 0) {
2503 strcpy(ret->errormsg, "No recipients specified.");
2506 lprintf(9, "validate_recipients()\n");
2507 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2508 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2509 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2510 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2511 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2519 * message entry - mode 0 (normal)
2521 void cmd_ent0(char *entargs)
2525 char masquerade_as[SIZ];
2527 int format_type = 0;
2528 char newusername[SIZ];
2529 struct CtdlMessage *msg;
2533 struct recptypes *valid = NULL;
2536 post = extract_int(entargs, 0);
2537 extract(recp, entargs, 1);
2538 anon_flag = extract_int(entargs, 2);
2539 format_type = extract_int(entargs, 3);
2540 extract(subject, entargs, 4);
2542 /* first check to make sure the request is valid. */
2544 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2546 cprintf("%d %s\n", err, errmsg);
2550 /* Check some other permission type things. */
2553 if (CC->usersupp.axlevel < 6) {
2554 cprintf("%d You don't have permission to masquerade.\n",
2555 ERROR + HIGHER_ACCESS_REQUIRED);
2558 extract(newusername, entargs, 4);
2559 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2560 safestrncpy(CC->fake_postname, newusername,
2561 sizeof(CC->fake_postname) );
2562 cprintf("%d ok\n", CIT_OK);
2565 CC->cs_flags |= CS_POSTING;
2567 /* In the Mail> room we have to behave a little differently --
2568 * make sure the user has specified at least one recipient. Then
2569 * validate the recipient(s).
2571 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2572 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2574 if (CC->usersupp.axlevel < 2) {
2575 strcpy(recp, "sysop");
2578 valid = validate_recipients(recp);
2579 if (valid->num_error > 0) {
2581 ERROR + NO_SUCH_USER, valid->errormsg);
2586 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2587 && (CC->usersupp.axlevel < 4) ) {
2588 cprintf("%d Higher access required for network mail.\n",
2589 ERROR + HIGHER_ACCESS_REQUIRED);
2594 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2595 && ((CC->usersupp.flags & US_INTERNET) == 0)
2596 && (!CC->internal_pgm)) {
2597 cprintf("%d You don't have access to Internet mail.\n",
2598 ERROR + HIGHER_ACCESS_REQUIRED);
2605 /* Is this a room which has anonymous-only or anonymous-option? */
2606 anonymous = MES_NORMAL;
2607 if (CC->quickroom.QRflags & QR_ANONONLY) {
2608 anonymous = MES_ANONONLY;
2610 if (CC->quickroom.QRflags & QR_ANONOPT) {
2611 if (anon_flag == 1) { /* only if the user requested it */
2612 anonymous = MES_ANONOPT;
2616 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2620 /* If we're only checking the validity of the request, return
2621 * success without creating the message.
2624 cprintf("%d %s\n", CIT_OK,
2625 ((valid != NULL) ? valid->display_recp : "") );
2630 /* Handle author masquerading */
2631 if (CC->fake_postname[0]) {
2632 strcpy(masquerade_as, CC->fake_postname);
2634 else if (CC->fake_username[0]) {
2635 strcpy(masquerade_as, CC->fake_username);
2638 strcpy(masquerade_as, "");
2641 /* Read in the message from the client. */
2642 cprintf("%d send message\n", SEND_LISTING);
2643 msg = make_message(&CC->usersupp, recp,
2644 CC->quickroom.QRname, anonymous, format_type,
2645 masquerade_as, subject);
2648 CtdlSubmitMsg(msg, valid, "");
2649 CtdlFreeMessage(msg);
2651 CC->fake_postname[0] = '\0';
2659 * API function to delete messages which match a set of criteria
2660 * (returns the actual number of messages deleted)
2662 int CtdlDeleteMessages(char *room_name, /* which room */
2663 long dmsgnum, /* or "0" for any */
2664 char *content_type /* or "" for any */
2668 struct quickroom qrbuf;
2669 struct cdbdata *cdbfr;
2670 long *msglist = NULL;
2671 long *dellist = NULL;
2674 int num_deleted = 0;
2676 struct MetaData smi;
2678 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2679 room_name, dmsgnum, content_type);
2681 /* get room record, obtaining a lock... */
2682 if (lgetroom(&qrbuf, room_name) != 0) {
2683 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2685 return (0); /* room not found */
2687 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2689 if (cdbfr != NULL) {
2690 msglist = mallok(cdbfr->len);
2691 dellist = mallok(cdbfr->len);
2692 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2693 num_msgs = cdbfr->len / sizeof(long);
2697 for (i = 0; i < num_msgs; ++i) {
2700 /* Set/clear a bit for each criterion */
2702 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2703 delete_this |= 0x01;
2705 if (strlen(content_type) == 0) {
2706 delete_this |= 0x02;
2708 GetMetaData(&smi, msglist[i]);
2709 if (!strcasecmp(smi.meta_content_type,
2711 delete_this |= 0x02;
2715 /* Delete message only if all bits are set */
2716 if (delete_this == 0x03) {
2717 dellist[num_deleted++] = msglist[i];
2722 num_msgs = sort_msglist(msglist, num_msgs);
2723 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2724 msglist, (num_msgs * sizeof(long)));
2726 qrbuf.QRhighest = msglist[num_msgs - 1];
2730 /* Go through the messages we pulled out of the index, and decrement
2731 * their reference counts by 1. If this is the only room the message
2732 * was in, the reference count will reach zero and the message will
2733 * automatically be deleted from the database. We do this in a
2734 * separate pass because there might be plug-in hooks getting called,
2735 * and we don't want that happening during an S_QUICKROOM critical
2738 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2739 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2740 AdjRefCount(dellist[i], -1);
2743 /* Now free the memory we used, and go away. */
2744 if (msglist != NULL) phree(msglist);
2745 if (dellist != NULL) phree(dellist);
2746 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2747 return (num_deleted);
2753 * Check whether the current user has permission to delete messages from
2754 * the current room (returns 1 for yes, 0 for no)
2756 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2757 getuser(&CC->usersupp, CC->curr_user);
2758 if ((CC->usersupp.axlevel < 6)
2759 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2760 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2761 && (!(CC->internal_pgm))) {
2770 * Delete message from current room
2772 void cmd_dele(char *delstr)
2777 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2778 cprintf("%d Higher access required.\n",
2779 ERROR + HIGHER_ACCESS_REQUIRED);
2782 delnum = extract_long(delstr, 0);
2784 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2787 cprintf("%d %d message%s deleted.\n", CIT_OK,
2788 num_deleted, ((num_deleted != 1) ? "s" : ""));
2790 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2796 * Back end API function for moves and deletes
2798 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2801 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2802 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2803 if (err != 0) return(err);
2811 * move or copy a message to another room
2813 void cmd_move(char *args)
2817 struct quickroom qtemp;
2821 num = extract_long(args, 0);
2822 extract(targ, args, 1);
2823 targ[ROOMNAMELEN - 1] = 0;
2824 is_copy = extract_int(args, 2);
2826 if (getroom(&qtemp, targ) != 0) {
2827 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2831 getuser(&CC->usersupp, CC->curr_user);
2832 /* Aides can move/copy */
2833 if ((CC->usersupp.axlevel < 6)
2834 /* Roomaides can move/copy */
2835 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2836 /* Permit move/copy to/from personal rooms */
2837 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2838 && (qtemp.QRflags & QR_MAILBOX)))
2839 /* Permit only copy from public to personal room */
2840 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2841 && (qtemp.QRflags & QR_MAILBOX)))) {
2842 cprintf("%d Higher access required.\n",
2843 ERROR + HIGHER_ACCESS_REQUIRED);
2847 err = CtdlCopyMsgToRoom(num, targ);
2849 cprintf("%d Cannot store message in %s: error %d\n",
2854 /* Now delete the message from the source room,
2855 * if this is a 'move' rather than a 'copy' operation.
2858 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2861 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2867 * GetMetaData() - Get the supplementary record for a message
2869 void GetMetaData(struct MetaData *smibuf, long msgnum)
2872 struct cdbdata *cdbsmi;
2875 memset(smibuf, 0, sizeof(struct MetaData));
2876 smibuf->meta_msgnum = msgnum;
2877 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2879 /* Use the negative of the message number for its supp record index */
2880 TheIndex = (0L - msgnum);
2882 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2883 if (cdbsmi == NULL) {
2884 return; /* record not found; go with defaults */
2886 memcpy(smibuf, cdbsmi->ptr,
2887 ((cdbsmi->len > sizeof(struct MetaData)) ?
2888 sizeof(struct MetaData) : cdbsmi->len));
2895 * PutMetaData() - (re)write supplementary record for a message
2897 void PutMetaData(struct MetaData *smibuf)
2901 /* Use the negative of the message number for the metadata db index */
2902 TheIndex = (0L - smibuf->meta_msgnum);
2904 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2905 smibuf->meta_msgnum, smibuf->meta_refcount);
2907 cdb_store(CDB_MSGMAIN,
2908 &TheIndex, sizeof(long),
2909 smibuf, sizeof(struct MetaData));
2914 * AdjRefCount - change the reference count for a message;
2915 * delete the message if it reaches zero
2917 void AdjRefCount(long msgnum, int incr)
2920 struct MetaData smi;
2923 /* This is a *tight* critical section; please keep it that way, as
2924 * it may get called while nested in other critical sections.
2925 * Complicating this any further will surely cause deadlock!
2927 begin_critical_section(S_SUPPMSGMAIN);
2928 GetMetaData(&smi, msgnum);
2929 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2930 msgnum, smi.meta_refcount);
2931 smi.meta_refcount += incr;
2933 end_critical_section(S_SUPPMSGMAIN);
2934 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2935 msgnum, smi.meta_refcount);
2937 /* If the reference count is now zero, delete the message
2938 * (and its supplementary record as well).
2940 if (smi.meta_refcount == 0) {
2941 lprintf(9, "Deleting message <%ld>\n", msgnum);
2943 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2945 /* We have to delete the metadata record too! */
2946 delnum = (0L - msgnum);
2947 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2952 * Write a generic object to this room
2954 * Note: this could be much more efficient. Right now we use two temporary
2955 * files, and still pull the message into memory as with all others.
2957 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2958 char *content_type, /* MIME type of this object */
2959 char *tempfilename, /* Where to fetch it from */
2960 struct usersupp *is_mailbox, /* Mailbox room? */
2961 int is_binary, /* Is encoding necessary? */
2962 int is_unique, /* Del others of this type? */
2963 unsigned int flags /* Internal save flags */
2968 char filename[PATH_MAX];
2971 struct quickroom qrbuf;
2972 char roomname[ROOMNAMELEN];
2973 struct CtdlMessage *msg;
2976 if (is_mailbox != NULL)
2977 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
2979 safestrncpy(roomname, req_room, sizeof(roomname));
2980 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2982 strcpy(filename, tmpnam(NULL));
2983 fp = fopen(filename, "w");
2987 tempfp = fopen(tempfilename, "r");
2988 if (tempfp == NULL) {
2994 fprintf(fp, "Content-type: %s\n", content_type);
2995 lprintf(9, "Content-type: %s\n", content_type);
2997 if (is_binary == 0) {
2998 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2999 while (ch = getc(tempfp), ch > 0)
3005 fprintf(fp, "Content-transfer-encoding: base64\n\n");
3008 snprintf(cmdbuf, sizeof cmdbuf, "./base64 -e <%s >>%s",
3009 tempfilename, filename);
3013 lprintf(9, "Allocating\n");
3014 msg = mallok(sizeof(struct CtdlMessage));
3015 memset(msg, 0, sizeof(struct CtdlMessage));
3016 msg->cm_magic = CTDLMESSAGE_MAGIC;
3017 msg->cm_anon_type = MES_NORMAL;
3018 msg->cm_format_type = 4;
3019 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
3020 msg->cm_fields['O'] = strdoop(req_room);
3021 msg->cm_fields['N'] = strdoop(config.c_nodename);
3022 msg->cm_fields['H'] = strdoop(config.c_humannode);
3023 msg->cm_flags = flags;
3025 lprintf(9, "Loading\n");
3026 fp = fopen(filename, "rb");
3027 fseek(fp, 0L, SEEK_END);
3030 msg->cm_fields['M'] = mallok(len);
3031 fread(msg->cm_fields['M'], len, 1, fp);
3035 /* Create the requested room if we have to. */
3036 if (getroom(&qrbuf, roomname) != 0) {
3037 create_room(roomname,
3038 ( (is_mailbox != NULL) ? 5 : 3 ),
3041 /* If the caller specified this object as unique, delete all
3042 * other objects of this type that are currently in the room.
3045 lprintf(9, "Deleted %d other msgs of this type\n",
3046 CtdlDeleteMessages(roomname, 0L, content_type));
3048 /* Now write the data */
3049 CtdlSubmitMsg(msg, NULL, roomname);
3050 CtdlFreeMessage(msg);
3058 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3059 config_msgnum = msgnum;
3063 char *CtdlGetSysConfig(char *sysconfname) {
3064 char hold_rm[ROOMNAMELEN];
3067 struct CtdlMessage *msg;
3070 strcpy(hold_rm, CC->quickroom.QRname);
3071 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
3072 getroom(&CC->quickroom, hold_rm);
3077 /* We want the last (and probably only) config in this room */
3078 begin_critical_section(S_CONFIG);
3079 config_msgnum = (-1L);
3080 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3081 CtdlGetSysConfigBackend, NULL);
3082 msgnum = config_msgnum;
3083 end_critical_section(S_CONFIG);
3089 msg = CtdlFetchMessage(msgnum);
3091 conf = strdoop(msg->cm_fields['M']);
3092 CtdlFreeMessage(msg);
3099 getroom(&CC->quickroom, hold_rm);
3101 if (conf != NULL) do {
3102 extract_token(buf, conf, 0, '\n');
3103 strcpy(conf, &conf[strlen(buf)+1]);
3104 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3109 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3110 char temp[PATH_MAX];
3113 strcpy(temp, tmpnam(NULL));
3115 fp = fopen(temp, "w");
3116 if (fp == NULL) return;
3117 fprintf(fp, "%s", sysconfdata);
3120 /* this handy API function does all the work for us */
3121 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);