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 /* Does the caller want to skip the headers? */
1160 if (headers_only == HEADERS_NONE) goto START_TEXT;
1162 /* now for the user-mode message reading loops */
1163 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1165 /* Tell the client which format type we're using. */
1166 if ( (mode == MT_CITADEL) && (do_proto) ) {
1167 cprintf("type=%d\n", TheMessage->cm_format_type);
1170 /* nhdr=yes means that we're only displaying headers, no body */
1171 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1172 && (mode == MT_CITADEL)
1175 cprintf("nhdr=yes\n");
1178 /* begin header processing loop for Citadel message format */
1180 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1182 strcpy(display_name, "<unknown>");
1183 if (TheMessage->cm_fields['A']) {
1184 strcpy(buf, TheMessage->cm_fields['A']);
1185 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1186 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1187 strcpy(display_name, "****");
1189 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1190 strcpy(display_name, "anonymous");
1193 strcpy(display_name, buf);
1195 if ((is_room_aide())
1196 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1197 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1198 size_t tmp = strlen(display_name);
1199 snprintf(&display_name[tmp],
1200 sizeof display_name - tmp,
1205 /* Don't show Internet address for users on the
1206 * local Citadel network.
1209 if (TheMessage->cm_fields['N'] != NULL)
1210 if (strlen(TheMessage->cm_fields['N']) > 0)
1211 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1215 /* Now spew the header fields in the order we like them. */
1216 strcpy(allkeys, FORDER);
1217 for (i=0; i<strlen(allkeys); ++i) {
1218 k = (int) allkeys[i];
1220 if ( (TheMessage->cm_fields[k] != NULL)
1221 && (msgkeys[k] != NULL) ) {
1223 if (do_proto) cprintf("%s=%s\n",
1227 else if ((k == 'F') && (suppress_f)) {
1230 /* Masquerade display name if needed */
1232 if (do_proto) cprintf("%s=%s\n",
1234 TheMessage->cm_fields[k]
1243 /* begin header processing loop for RFC822 transfer format */
1248 strcpy(snode, NODENAME);
1249 strcpy(lnode, HUMANNODE);
1250 if (mode == MT_RFC822) {
1251 cprintf("X-UIDL: %ld%s", msg_num, nl);
1252 for (i = 0; i < 256; ++i) {
1253 if (TheMessage->cm_fields[i]) {
1254 mptr = TheMessage->cm_fields[i];
1257 strcpy(luser, mptr);
1258 strcpy(suser, mptr);
1261 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1262 into thinking that mail messages are newsgroup messages instead. When we
1263 add NNTP support back into Citadel we'll have to add code to only output
1264 this field when appropriate.
1265 else if (i == 'P') {
1266 cprintf("Path: %s%s", mptr, nl);
1270 cprintf("Subject: %s%s", mptr, nl);
1272 safestrncpy(mid, mptr, sizeof mid);
1274 safestrncpy(lnode, mptr, sizeof lnode);
1276 safestrncpy(fuser, mptr, sizeof fuser);
1278 cprintf("X-Citadel-Room: %s%s",
1281 safestrncpy(snode, mptr, sizeof snode);
1283 cprintf("To: %s%s", mptr, nl);
1284 else if (i == 'T') {
1285 datestring(datestamp, sizeof datestamp,
1286 atol(mptr), DATESTRING_RFC822);
1287 cprintf("Date: %s%s", datestamp, nl);
1293 for (i=0; i<strlen(suser); ++i) {
1294 suser[i] = tolower(suser[i]);
1295 if (!isalnum(suser[i])) suser[i]='_';
1298 if (mode == MT_RFC822) {
1299 if (!strcasecmp(snode, NODENAME)) {
1300 strcpy(snode, FQDN);
1303 /* Construct a fun message id */
1304 cprintf("Message-ID: <%s", mid);
1305 if (strchr(mid, '@')==NULL) {
1306 cprintf("@%s", snode);
1310 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1312 if (strlen(fuser) > 0) {
1313 cprintf("From: %s (%s)%s", fuser, luser, nl);
1316 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1319 cprintf("Organization: %s%s", lnode, nl);
1322 /* end header processing loop ... at this point, we're in the text */
1324 mptr = TheMessage->cm_fields['M'];
1326 /* Tell the client about the MIME parts in this message */
1327 if (TheMessage->cm_format_type == FMT_RFC822) {
1328 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1329 mime_parser(mptr, NULL,
1335 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1336 /* FIXME ... we have to put some code in here to avoid
1337 * printing duplicate header information when both
1338 * Citadel and RFC822 headers exist. Preference should
1339 * probably be given to the RFC822 headers.
1341 while (ch=*(mptr++), ch!=0) {
1343 else if (ch==10) cprintf("%s", nl);
1344 else cprintf("%c", ch);
1346 if (do_proto) cprintf("000\n");
1351 if (headers_only == HEADERS_ONLY) {
1352 if (do_proto) cprintf("000\n");
1356 /* signify start of msg text */
1357 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1358 if (do_proto) cprintf("text\n");
1360 if (mode == MT_RFC822) {
1361 if (TheMessage->cm_fields['U'] == NULL) {
1362 cprintf("Subject: (no subject)%s", nl);
1367 /* If the format type on disk is 1 (fixed-format), then we want
1368 * everything to be output completely literally ... regardless of
1369 * what message transfer format is in use.
1371 if (TheMessage->cm_format_type == FMT_FIXED) {
1372 if (mode == MT_MIME) {
1373 cprintf("Content-type: text/plain\n\n");
1376 while (ch = *mptr++, ch > 0) {
1379 if ((ch == 10) || (strlen(buf) > 250)) {
1380 cprintf("%s%s", buf, nl);
1383 buf[strlen(buf) + 1] = 0;
1384 buf[strlen(buf)] = ch;
1387 if (strlen(buf) > 0)
1388 cprintf("%s%s", buf, nl);
1391 /* If the message on disk is format 0 (Citadel vari-format), we
1392 * output using the formatter at 80 columns. This is the final output
1393 * form if the transfer format is RFC822, but if the transfer format
1394 * is Citadel proprietary, it'll still work, because the indentation
1395 * for new paragraphs is correct and the client will reformat the
1396 * message to the reader's screen width.
1398 if (TheMessage->cm_format_type == FMT_CITADEL) {
1399 if (mode == MT_MIME) {
1400 cprintf("Content-type: text/x-citadel-variformat\n\n");
1402 memfmout(80, mptr, 0, nl);
1405 /* If the message on disk is format 4 (MIME), we've gotta hand it
1406 * off to the MIME parser. The client has already been told that
1407 * this message is format 1 (fixed format), so the callback function
1408 * we use will display those parts as-is.
1410 if (TheMessage->cm_format_type == FMT_RFC822) {
1411 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1412 memset(ma, 0, sizeof(struct ma_info));
1414 if (mode == MT_MIME) {
1415 strcpy(ma->chosen_part, "1");
1416 mime_parser(mptr, NULL,
1417 *choose_preferred, *fixed_output_pre,
1418 *fixed_output_post, NULL, 0);
1419 mime_parser(mptr, NULL,
1420 *output_preferred, NULL, NULL, NULL, 0);
1423 mime_parser(mptr, NULL,
1424 *fixed_output, *fixed_output_pre,
1425 *fixed_output_post, NULL, 0);
1429 /* now we're done */
1430 if (do_proto) cprintf("000\n");
1437 * display a message (mode 0 - Citadel proprietary)
1439 void cmd_msg0(char *cmdbuf)
1442 int headers_only = HEADERS_ALL;
1444 msgid = extract_long(cmdbuf, 0);
1445 headers_only = extract_int(cmdbuf, 1);
1447 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1453 * display a message (mode 2 - RFC822)
1455 void cmd_msg2(char *cmdbuf)
1458 int headers_only = HEADERS_ALL;
1460 msgid = extract_long(cmdbuf, 0);
1461 headers_only = extract_int(cmdbuf, 1);
1463 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1469 * display a message (mode 3 - IGnet raw format - internal programs only)
1471 void cmd_msg3(char *cmdbuf)
1474 struct CtdlMessage *msg;
1477 if (CC->internal_pgm == 0) {
1478 cprintf("%d This command is for internal programs only.\n",
1483 msgnum = extract_long(cmdbuf, 0);
1484 msg = CtdlFetchMessage(msgnum);
1486 cprintf("%d Message %ld not found.\n",
1491 serialize_message(&smr, msg);
1492 CtdlFreeMessage(msg);
1495 cprintf("%d Unable to serialize message\n",
1496 ERROR+INTERNAL_ERROR);
1500 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1501 client_write(smr.ser, smr.len);
1508 * Display a message using MIME content types
1510 void cmd_msg4(char *cmdbuf)
1514 msgid = extract_long(cmdbuf, 0);
1515 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1521 * Client tells us its preferred message format(s)
1523 void cmd_msgp(char *cmdbuf)
1525 safestrncpy(CC->preferred_formats, cmdbuf,
1526 sizeof(CC->preferred_formats));
1527 cprintf("%d ok\n", CIT_OK);
1532 * Open a component of a MIME message as a download file
1534 void cmd_opna(char *cmdbuf)
1538 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1540 msgid = extract_long(cmdbuf, 0);
1541 extract(desired_section, cmdbuf, 1);
1543 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1548 * Save a message pointer into a specified room
1549 * (Returns 0 for success, nonzero for failure)
1550 * roomname may be NULL to use the current room
1552 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1554 char hold_rm[ROOMNAMELEN];
1555 struct cdbdata *cdbfr;
1558 long highest_msg = 0L;
1559 struct CtdlMessage *msg = NULL;
1561 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1562 roomname, msgid, flags);
1564 strcpy(hold_rm, CC->quickroom.QRname);
1566 /* We may need to check to see if this message is real */
1567 if ( (flags & SM_VERIFY_GOODNESS)
1568 || (flags & SM_DO_REPL_CHECK)
1570 msg = CtdlFetchMessage(msgid);
1571 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1574 /* Perform replication checks if necessary */
1575 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1577 if (getroom(&CC->quickroom,
1578 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1580 lprintf(9, "No such room <%s>\n", roomname);
1581 if (msg != NULL) CtdlFreeMessage(msg);
1582 return(ERROR + ROOM_NOT_FOUND);
1585 if (ReplicationChecks(msg) != 0) {
1586 getroom(&CC->quickroom, hold_rm);
1587 if (msg != NULL) CtdlFreeMessage(msg);
1588 lprintf(9, "Did replication, and newer exists\n");
1593 /* Now the regular stuff */
1594 if (lgetroom(&CC->quickroom,
1595 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1597 lprintf(9, "No such room <%s>\n", roomname);
1598 if (msg != NULL) CtdlFreeMessage(msg);
1599 return(ERROR + ROOM_NOT_FOUND);
1602 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1603 if (cdbfr == NULL) {
1607 msglist = mallok(cdbfr->len);
1608 if (msglist == NULL)
1609 lprintf(3, "ERROR malloc msglist!\n");
1610 num_msgs = cdbfr->len / sizeof(long);
1611 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1616 /* Make sure the message doesn't already exist in this room. It
1617 * is absolutely taboo to have more than one reference to the same
1618 * message in a room.
1620 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1621 if (msglist[i] == msgid) {
1622 lputroom(&CC->quickroom); /* unlock the room */
1623 getroom(&CC->quickroom, hold_rm);
1624 if (msg != NULL) CtdlFreeMessage(msg);
1625 return(ERROR + ALREADY_EXISTS);
1629 /* Now add the new message */
1631 msglist = reallok(msglist,
1632 (num_msgs * sizeof(long)));
1634 if (msglist == NULL) {
1635 lprintf(3, "ERROR: can't realloc message list!\n");
1637 msglist[num_msgs - 1] = msgid;
1639 /* Sort the message list, so all the msgid's are in order */
1640 num_msgs = sort_msglist(msglist, num_msgs);
1642 /* Determine the highest message number */
1643 highest_msg = msglist[num_msgs - 1];
1645 /* Write it back to disk. */
1646 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1647 msglist, num_msgs * sizeof(long));
1649 /* Free up the memory we used. */
1652 /* Update the highest-message pointer and unlock the room. */
1653 CC->quickroom.QRhighest = highest_msg;
1654 lputroom(&CC->quickroom);
1655 getroom(&CC->quickroom, hold_rm);
1657 /* Bump the reference count for this message. */
1658 if ((flags & SM_DONT_BUMP_REF)==0) {
1659 AdjRefCount(msgid, +1);
1662 /* Return success. */
1663 if (msg != NULL) CtdlFreeMessage(msg);
1670 * Message base operation to send a message to the master file
1671 * (returns new message number)
1673 * This is the back end for CtdlSubmitMsg() and should not be directly
1674 * called by server-side modules.
1677 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1678 FILE *save_a_copy) /* save a copy to disk? */
1685 /* Get a new message number */
1686 newmsgid = get_new_message_number();
1687 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1689 /* Generate an ID if we don't have one already */
1690 if (msg->cm_fields['I']==NULL) {
1691 msg->cm_fields['I'] = strdoop(msgidbuf);
1694 serialize_message(&smr, msg);
1697 cprintf("%d Unable to serialize message\n",
1698 ERROR+INTERNAL_ERROR);
1702 /* Write our little bundle of joy into the message base */
1703 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1704 smr.ser, smr.len) < 0) {
1705 lprintf(2, "Can't store message\n");
1711 /* If the caller specified that a copy should be saved to a particular
1712 * file handle, do that now too.
1714 if (save_a_copy != NULL) {
1715 fwrite(smr.ser, smr.len, 1, save_a_copy);
1718 /* Free the memory we used for the serialized message */
1721 /* Return the *local* message ID to the caller
1722 * (even if we're storing an incoming network message)
1730 * Serialize a struct CtdlMessage into the format used on disk and network.
1732 * This function loads up a "struct ser_ret" (defined in server.h) which
1733 * contains the length of the serialized message and a pointer to the
1734 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1736 void serialize_message(struct ser_ret *ret, /* return values */
1737 struct CtdlMessage *msg) /* unserialized msg */
1741 static char *forder = FORDER;
1743 if (is_valid_message(msg) == 0) return; /* self check */
1746 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1747 ret->len = ret->len +
1748 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1750 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1751 ret->ser = mallok(ret->len);
1752 if (ret->ser == NULL) {
1758 ret->ser[1] = msg->cm_anon_type;
1759 ret->ser[2] = msg->cm_format_type;
1762 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1763 ret->ser[wlen++] = (char)forder[i];
1764 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1765 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1767 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1768 (long)ret->len, (long)wlen);
1776 * Back end for the ReplicationChecks() function
1778 void check_repl(long msgnum, void *userdata) {
1779 struct CtdlMessage *msg;
1780 time_t timestamp = (-1L);
1782 lprintf(9, "check_repl() found message %ld\n", msgnum);
1783 msg = CtdlFetchMessage(msgnum);
1784 if (msg == NULL) return;
1785 if (msg->cm_fields['T'] != NULL) {
1786 timestamp = atol(msg->cm_fields['T']);
1788 CtdlFreeMessage(msg);
1790 if (timestamp > msg_repl->highest) {
1791 msg_repl->highest = timestamp; /* newer! */
1792 lprintf(9, "newer!\n");
1795 lprintf(9, "older!\n");
1797 /* Existing isn't newer? Then delete the old one(s). */
1798 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1803 * Check to see if any messages already exist which carry the same Extended ID
1807 * -> With older timestamps: delete them and return 0. Message will be saved.
1808 * -> With newer timestamps: return 1. Message save will be aborted.
1810 int ReplicationChecks(struct CtdlMessage *msg) {
1811 struct CtdlMessage *template;
1814 lprintf(9, "ReplicationChecks() started\n");
1815 /* No extended id? Don't do anything. */
1816 if (msg->cm_fields['E'] == NULL) return 0;
1817 if (strlen(msg->cm_fields['E']) == 0) return 0;
1818 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1820 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1821 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1822 msg_repl->highest = atol(msg->cm_fields['T']);
1824 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1825 memset(template, 0, sizeof(struct CtdlMessage));
1826 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1828 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1830 /* If a newer message exists with the same Extended ID, abort
1833 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1837 CtdlFreeMessage(template);
1838 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1846 * Save a message to disk and submit it into the delivery system.
1848 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1849 struct recptypes *recps, /* recipients (if mail) */
1850 char *force /* force a particular room? */
1853 char hold_rm[ROOMNAMELEN];
1854 char actual_rm[ROOMNAMELEN];
1855 char force_room[ROOMNAMELEN];
1856 char content_type[SIZ]; /* We have to learn this */
1857 char recipient[SIZ];
1860 struct usersupp userbuf;
1862 struct MetaData smi;
1863 FILE *network_fp = NULL;
1864 static int seqnum = 1;
1865 struct CtdlMessage *imsg = NULL;
1868 char *hold_R, *hold_D;
1870 lprintf(9, "CtdlSubmitMsg() called\n");
1871 if (is_valid_message(msg) == 0) return(-1); /* self check */
1873 /* If this message has no timestamp, we take the liberty of
1874 * giving it one, right now.
1876 if (msg->cm_fields['T'] == NULL) {
1877 lprintf(9, "Generating timestamp\n");
1878 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1879 msg->cm_fields['T'] = strdoop(aaa);
1882 /* If this message has no path, we generate one.
1884 if (msg->cm_fields['P'] == NULL) {
1885 lprintf(9, "Generating path\n");
1886 if (msg->cm_fields['A'] != NULL) {
1887 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1888 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1889 if (isspace(msg->cm_fields['P'][a])) {
1890 msg->cm_fields['P'][a] = ' ';
1895 msg->cm_fields['P'] = strdoop("unknown");
1899 if (force == NULL) {
1900 strcpy(force_room, "");
1903 strcpy(force_room, force);
1906 /* Learn about what's inside, because it's what's inside that counts */
1907 lprintf(9, "Learning what's inside\n");
1908 if (msg->cm_fields['M'] == NULL) {
1909 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1912 switch (msg->cm_format_type) {
1914 strcpy(content_type, "text/x-citadel-variformat");
1917 strcpy(content_type, "text/plain");
1920 strcpy(content_type, "text/plain");
1921 /* advance past header fields */
1922 mptr = msg->cm_fields['M'];
1925 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1926 safestrncpy(content_type, mptr,
1927 sizeof(content_type));
1928 strcpy(content_type, &content_type[14]);
1929 for (a = 0; a < strlen(content_type); ++a)
1930 if ((content_type[a] == ';')
1931 || (content_type[a] == ' ')
1932 || (content_type[a] == 13)
1933 || (content_type[a] == 10))
1934 content_type[a] = 0;
1941 /* Goto the correct room */
1942 lprintf(9, "Switching rooms\n");
1943 strcpy(hold_rm, CC->quickroom.QRname);
1944 strcpy(actual_rm, CC->quickroom.QRname);
1945 if (recps != NULL) {
1946 strcpy(actual_rm, SENTITEMS);
1949 /* If the user is a twit, move to the twit room for posting */
1950 lprintf(9, "Handling twit stuff\n");
1952 if (CC->usersupp.axlevel == 2) {
1953 strcpy(hold_rm, actual_rm);
1954 strcpy(actual_rm, config.c_twitroom);
1958 /* ...or if this message is destined for Aide> then go there. */
1959 if (strlen(force_room) > 0) {
1960 strcpy(actual_rm, force_room);
1963 lprintf(9, "Possibly relocating\n");
1964 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1965 getroom(&CC->quickroom, actual_rm);
1969 * If this message has no O (room) field, generate one.
1971 if (msg->cm_fields['O'] == NULL) {
1972 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1975 /* Perform "before save" hooks (aborting if any return nonzero) */
1976 lprintf(9, "Performing before-save hooks\n");
1977 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1979 /* If this message has an Extended ID, perform replication checks */
1980 lprintf(9, "Performing replication checks\n");
1981 if (ReplicationChecks(msg) > 0) return(-1);
1983 /* Save it to disk */
1984 lprintf(9, "Saving to disk\n");
1985 newmsgid = send_message(msg, NULL);
1986 if (newmsgid <= 0L) return(-1);
1988 /* Write a supplemental message info record. This doesn't have to
1989 * be a critical section because nobody else knows about this message
1992 lprintf(9, "Creating MetaData record\n");
1993 memset(&smi, 0, sizeof(struct MetaData));
1994 smi.meta_msgnum = newmsgid;
1995 smi.meta_refcount = 0;
1996 safestrncpy(smi.meta_content_type, content_type, 64);
1999 /* Now figure out where to store the pointers */
2000 lprintf(9, "Storing pointers\n");
2002 /* If this is being done by the networker delivering a private
2003 * message, we want to BYPASS saving the sender's copy (because there
2004 * is no local sender; it would otherwise go to the Trashcan).
2006 if ((!CC->internal_pgm) || (recps == NULL)) {
2007 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2008 lprintf(3, "ERROR saving message pointer!\n");
2009 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2013 /* For internet mail, drop a copy in the outbound queue room */
2015 if (recps->num_internet > 0) {
2016 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2019 /* If other rooms are specified, drop them there too. */
2021 if (recps->num_room > 0)
2022 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2023 extract(recipient, recps->recp_room, i);
2024 lprintf(9, "Delivering to local room <%s>\n", recipient);
2025 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2028 /* Bump this user's messages posted counter. */
2029 lprintf(9, "Updating user\n");
2030 lgetuser(&CC->usersupp, CC->curr_user);
2031 CC->usersupp.posted = CC->usersupp.posted + 1;
2032 lputuser(&CC->usersupp);
2034 /* If this is private, local mail, make a copy in the
2035 * recipient's mailbox and bump the reference count.
2038 if (recps->num_local > 0)
2039 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2040 extract(recipient, recps->recp_local, i);
2041 lprintf(9, "Delivering private local mail to <%s>\n",
2043 if (getuser(&userbuf, recipient) == 0) {
2044 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2045 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2046 BumpNewMailCounter(userbuf.usernum);
2049 lprintf(9, "No user <%s>\n", recipient);
2050 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2054 /* Perform "after save" hooks */
2055 lprintf(9, "Performing after-save hooks\n");
2056 PerformMessageHooks(msg, EVT_AFTERSAVE);
2058 /* For IGnet mail, we have to save a new copy into the spooler for
2059 * each recipient, with the R and D fields set to the recipient and
2060 * destination-node. This has two ugly side effects: all other
2061 * recipients end up being unlisted in this recipient's copy of the
2062 * message, and it has to deliver multiple messages to the same
2063 * node. We'll revisit this again in a year or so when everyone has
2064 * a network spool receiver that can handle the new style messages.
2067 if (recps->num_ignet > 0)
2068 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2069 extract(recipient, recps->recp_ignet, i);
2071 hold_R = msg->cm_fields['R'];
2072 hold_D = msg->cm_fields['D'];
2073 msg->cm_fields['R'] = mallok(SIZ);
2074 msg->cm_fields['D'] = mallok(SIZ);
2075 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2076 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2078 serialize_message(&smr, msg);
2080 snprintf(aaa, sizeof aaa,
2081 "./network/spoolin/netmail.%04lx.%04x.%04x",
2082 (long) getpid(), CC->cs_pid, ++seqnum);
2083 network_fp = fopen(aaa, "wb+");
2084 if (network_fp != NULL) {
2085 fwrite(smr.ser, smr.len, 1, network_fp);
2091 phree(msg->cm_fields['R']);
2092 phree(msg->cm_fields['D']);
2093 msg->cm_fields['R'] = hold_R;
2094 msg->cm_fields['D'] = hold_D;
2097 /* Go back to the room we started from */
2098 lprintf(9, "Returning to original room\n");
2099 if (strcasecmp(hold_rm, CC->quickroom.QRname))
2100 getroom(&CC->quickroom, hold_rm);
2102 /* For internet mail, generate delivery instructions.
2103 * Yes, this is recursive. Deal with it. Infinite recursion does
2104 * not happen because the delivery instructions message does not
2105 * contain a recipient.
2108 if (recps->num_internet > 0) {
2109 lprintf(9, "Generating delivery instructions\n");
2110 instr = mallok(SIZ * 2);
2111 snprintf(instr, SIZ * 2,
2112 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2114 SPOOLMIME, newmsgid, (long)time(NULL),
2115 msg->cm_fields['A'], msg->cm_fields['N']
2118 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2119 size_t tmp = strlen(instr);
2120 extract(recipient, recps->recp_internet, i);
2121 snprintf(&instr[tmp], SIZ * 2 - tmp,
2122 "remote|%s|0||\n", recipient);
2125 imsg = mallok(sizeof(struct CtdlMessage));
2126 memset(imsg, 0, sizeof(struct CtdlMessage));
2127 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2128 imsg->cm_anon_type = MES_NORMAL;
2129 imsg->cm_format_type = FMT_RFC822;
2130 imsg->cm_fields['A'] = strdoop("Citadel");
2131 imsg->cm_fields['M'] = instr;
2132 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2133 CtdlFreeMessage(imsg);
2142 * Convenience function for generating small administrative messages.
2144 void quickie_message(char *from, char *to, char *room, char *text)
2146 struct CtdlMessage *msg;
2147 struct recptypes *recp = NULL;
2149 msg = mallok(sizeof(struct CtdlMessage));
2150 memset(msg, 0, sizeof(struct CtdlMessage));
2151 msg->cm_magic = CTDLMESSAGE_MAGIC;
2152 msg->cm_anon_type = MES_NORMAL;
2153 msg->cm_format_type = 0;
2154 msg->cm_fields['A'] = strdoop(from);
2155 if (room != NULL) msg->cm_fields['O'] = strdoop(room);
2156 msg->cm_fields['N'] = strdoop(NODENAME);
2158 msg->cm_fields['R'] = strdoop(to);
2159 recp = validate_recipients(to);
2161 msg->cm_fields['M'] = strdoop(text);
2163 CtdlSubmitMsg(msg, recp, room);
2164 CtdlFreeMessage(msg);
2165 if (recp != NULL) phree(recp);
2171 * Back end function used by make_message() and similar functions
2173 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2174 size_t maxlen, /* maximum message length */
2175 char *exist /* if non-null, append to it;
2176 exist is ALWAYS freed */
2180 size_t message_len = 0;
2181 size_t buffer_len = 0;
2185 if (exist == NULL) {
2192 message_len = strlen(exist);
2193 buffer_len = message_len + 4096;
2194 m = reallok(exist, buffer_len);
2201 /* flush the input if we have nowhere to store it */
2203 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2207 /* read in the lines of message text one by one */
2208 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2210 /* strip trailing newline type stuff */
2211 if (buf[strlen(buf)-1]==10) buf[strlen(buf)-1]=0;
2212 if (buf[strlen(buf)-1]==13) buf[strlen(buf)-1]=0;
2214 linelen = strlen(buf);
2216 /* augment the buffer if we have to */
2217 if ((message_len + linelen + 2) > buffer_len) {
2218 lprintf(9, "realloking\n");
2219 ptr = reallok(m, (buffer_len * 2) );
2220 if (ptr == NULL) { /* flush if can't allocate */
2221 while ( (client_gets(buf)>0) &&
2222 strcmp(buf, terminator)) ;;
2225 buffer_len = (buffer_len * 2);
2227 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2231 /* Add the new line to the buffer. NOTE: this loop must avoid
2232 * using functions like strcat() and strlen() because they
2233 * traverse the entire buffer upon every call, and doing that
2234 * for a multi-megabyte message slows it down beyond usability.
2236 strcpy(&m[message_len], buf);
2237 m[message_len + linelen] = '\n';
2238 m[message_len + linelen + 1] = 0;
2239 message_len = message_len + linelen + 1;
2241 /* if we've hit the max msg length, flush the rest */
2242 if (message_len >= maxlen) {
2243 while ( (client_gets(buf)>0)
2244 && strcmp(buf, terminator)) ;;
2255 * Build a binary message to be saved on disk.
2258 static struct CtdlMessage *make_message(
2259 struct usersupp *author, /* author's usersupp structure */
2260 char *recipient, /* NULL if it's not mail */
2261 char *room, /* room where it's going */
2262 int type, /* see MES_ types in header file */
2263 int format_type, /* variformat, plain text, MIME... */
2264 char *fake_name, /* who we're masquerading as */
2265 char *subject /* Subject (optional) */
2267 char dest_node[SIZ];
2269 struct CtdlMessage *msg;
2271 msg = mallok(sizeof(struct CtdlMessage));
2272 memset(msg, 0, sizeof(struct CtdlMessage));
2273 msg->cm_magic = CTDLMESSAGE_MAGIC;
2274 msg->cm_anon_type = type;
2275 msg->cm_format_type = format_type;
2277 /* Don't confuse the poor folks if it's not routed mail. */
2278 strcpy(dest_node, "");
2282 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2283 msg->cm_fields['P'] = strdoop(buf);
2285 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2286 msg->cm_fields['T'] = strdoop(buf);
2288 if (fake_name[0]) /* author */
2289 msg->cm_fields['A'] = strdoop(fake_name);
2291 msg->cm_fields['A'] = strdoop(author->fullname);
2293 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2294 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2297 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2300 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2301 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2303 if (recipient[0] != 0) {
2304 msg->cm_fields['R'] = strdoop(recipient);
2306 if (dest_node[0] != 0) {
2307 msg->cm_fields['D'] = strdoop(dest_node);
2310 if ( (author == &CC->usersupp) && (CC->cs_inet_email != NULL) ) {
2311 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2314 if (subject != NULL) {
2316 if (strlen(subject) > 0) {
2317 msg->cm_fields['U'] = strdoop(subject);
2321 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2322 config.c_maxmsglen, NULL);
2329 * Check to see whether we have permission to post a message in the current
2330 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2331 * returns 0 on success.
2333 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2335 if (!(CC->logged_in)) {
2336 snprintf(errmsgbuf, n, "Not logged in.");
2337 return (ERROR + NOT_LOGGED_IN);
2340 if ((CC->usersupp.axlevel < 2)
2341 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2342 snprintf(errmsgbuf, n, "Need to be validated to enter "
2343 "(except in %s> to sysop)", MAILROOM);
2344 return (ERROR + HIGHER_ACCESS_REQUIRED);
2347 if ((CC->usersupp.axlevel < 4)
2348 && (CC->quickroom.QRflags & QR_NETWORK)) {
2349 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2350 return (ERROR + HIGHER_ACCESS_REQUIRED);
2353 if ((CC->usersupp.axlevel < 6)
2354 && (CC->quickroom.QRflags & QR_READONLY)) {
2355 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2356 return (ERROR + HIGHER_ACCESS_REQUIRED);
2359 strcpy(errmsgbuf, "Ok");
2365 * Validate recipients, count delivery types and errors, and handle aliasing
2366 * FIXME check for dupes!!!!!
2368 struct recptypes *validate_recipients(char *recipients) {
2369 struct recptypes *ret;
2370 char this_recp[SIZ];
2371 char this_recp_cooked[SIZ];
2377 struct usersupp tempUS;
2378 struct quickroom tempQR;
2381 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2382 if (ret == NULL) return(NULL);
2383 memset(ret, 0, sizeof(struct recptypes));
2386 ret->num_internet = 0;
2391 if (recipients == NULL) {
2394 else if (strlen(recipients) == 0) {
2398 /* Change all valid separator characters to commas */
2399 for (i=0; i<strlen(recipients); ++i) {
2400 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2401 recipients[i] = ',';
2406 num_recps = num_tokens(recipients, ',');
2409 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2410 extract_token(this_recp, recipients, i, ',');
2412 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2413 mailtype = alias(this_recp);
2414 mailtype = alias(this_recp);
2415 mailtype = alias(this_recp);
2416 for (j=0; j<=strlen(this_recp); ++j) {
2417 if (this_recp[j]=='_') {
2418 this_recp_cooked[j] = ' ';
2421 this_recp_cooked[j] = this_recp[j];
2427 if (!strcasecmp(this_recp, "sysop")) {
2429 strcpy(this_recp, config.c_aideroom);
2430 if (strlen(ret->recp_room) > 0) {
2431 strcat(ret->recp_room, "|");
2433 strcat(ret->recp_room, this_recp);
2435 else if (getuser(&tempUS, this_recp) == 0) {
2437 strcpy(this_recp, tempUS.fullname);
2438 if (strlen(ret->recp_local) > 0) {
2439 strcat(ret->recp_local, "|");
2441 strcat(ret->recp_local, this_recp);
2443 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2445 strcpy(this_recp, tempUS.fullname);
2446 if (strlen(ret->recp_local) > 0) {
2447 strcat(ret->recp_local, "|");
2449 strcat(ret->recp_local, this_recp);
2451 else if ( (!strncasecmp(this_recp, "room_", 5))
2452 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2454 if (strlen(ret->recp_room) > 0) {
2455 strcat(ret->recp_room, "|");
2457 strcat(ret->recp_room, &this_recp_cooked[5]);
2465 ++ret->num_internet;
2466 if (strlen(ret->recp_internet) > 0) {
2467 strcat(ret->recp_internet, "|");
2469 strcat(ret->recp_internet, this_recp);
2473 if (strlen(ret->recp_ignet) > 0) {
2474 strcat(ret->recp_ignet, "|");
2476 strcat(ret->recp_ignet, this_recp);
2484 if (strlen(ret->errormsg) == 0) {
2485 snprintf(append, sizeof append,
2486 "Invalid recipient: %s",
2490 snprintf(append, sizeof append,
2493 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2494 strcat(ret->errormsg, append);
2498 if (strlen(ret->display_recp) == 0) {
2499 strcpy(append, this_recp);
2502 snprintf(append, sizeof append, ", %s",
2505 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2506 strcat(ret->display_recp, append);
2511 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2512 ret->num_room + ret->num_error) == 0) {
2514 strcpy(ret->errormsg, "No recipients specified.");
2517 lprintf(9, "validate_recipients()\n");
2518 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2519 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2520 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2521 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2522 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2530 * message entry - mode 0 (normal)
2532 void cmd_ent0(char *entargs)
2536 char masquerade_as[SIZ];
2538 int format_type = 0;
2539 char newusername[SIZ];
2540 struct CtdlMessage *msg;
2544 struct recptypes *valid = NULL;
2547 post = extract_int(entargs, 0);
2548 extract(recp, entargs, 1);
2549 anon_flag = extract_int(entargs, 2);
2550 format_type = extract_int(entargs, 3);
2551 extract(subject, entargs, 4);
2553 /* first check to make sure the request is valid. */
2555 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2557 cprintf("%d %s\n", err, errmsg);
2561 /* Check some other permission type things. */
2564 if (CC->usersupp.axlevel < 6) {
2565 cprintf("%d You don't have permission to masquerade.\n",
2566 ERROR + HIGHER_ACCESS_REQUIRED);
2569 extract(newusername, entargs, 4);
2570 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2571 safestrncpy(CC->fake_postname, newusername,
2572 sizeof(CC->fake_postname) );
2573 cprintf("%d ok\n", CIT_OK);
2576 CC->cs_flags |= CS_POSTING;
2578 /* In the Mail> room we have to behave a little differently --
2579 * make sure the user has specified at least one recipient. Then
2580 * validate the recipient(s).
2582 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2583 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2585 if (CC->usersupp.axlevel < 2) {
2586 strcpy(recp, "sysop");
2589 valid = validate_recipients(recp);
2590 if (valid->num_error > 0) {
2592 ERROR + NO_SUCH_USER, valid->errormsg);
2597 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2598 && (CC->usersupp.axlevel < 4) ) {
2599 cprintf("%d Higher access required for network mail.\n",
2600 ERROR + HIGHER_ACCESS_REQUIRED);
2605 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2606 && ((CC->usersupp.flags & US_INTERNET) == 0)
2607 && (!CC->internal_pgm)) {
2608 cprintf("%d You don't have access to Internet mail.\n",
2609 ERROR + HIGHER_ACCESS_REQUIRED);
2616 /* Is this a room which has anonymous-only or anonymous-option? */
2617 anonymous = MES_NORMAL;
2618 if (CC->quickroom.QRflags & QR_ANONONLY) {
2619 anonymous = MES_ANONONLY;
2621 if (CC->quickroom.QRflags & QR_ANONOPT) {
2622 if (anon_flag == 1) { /* only if the user requested it */
2623 anonymous = MES_ANONOPT;
2627 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2631 /* If we're only checking the validity of the request, return
2632 * success without creating the message.
2635 cprintf("%d %s\n", CIT_OK,
2636 ((valid != NULL) ? valid->display_recp : "") );
2641 /* Handle author masquerading */
2642 if (CC->fake_postname[0]) {
2643 strcpy(masquerade_as, CC->fake_postname);
2645 else if (CC->fake_username[0]) {
2646 strcpy(masquerade_as, CC->fake_username);
2649 strcpy(masquerade_as, "");
2652 /* Read in the message from the client. */
2653 cprintf("%d send message\n", SEND_LISTING);
2654 msg = make_message(&CC->usersupp, recp,
2655 CC->quickroom.QRname, anonymous, format_type,
2656 masquerade_as, subject);
2659 CtdlSubmitMsg(msg, valid, "");
2660 CtdlFreeMessage(msg);
2662 CC->fake_postname[0] = '\0';
2670 * API function to delete messages which match a set of criteria
2671 * (returns the actual number of messages deleted)
2673 int CtdlDeleteMessages(char *room_name, /* which room */
2674 long dmsgnum, /* or "0" for any */
2675 char *content_type /* or "" for any */
2679 struct quickroom qrbuf;
2680 struct cdbdata *cdbfr;
2681 long *msglist = NULL;
2682 long *dellist = NULL;
2685 int num_deleted = 0;
2687 struct MetaData smi;
2689 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2690 room_name, dmsgnum, content_type);
2692 /* get room record, obtaining a lock... */
2693 if (lgetroom(&qrbuf, room_name) != 0) {
2694 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2696 return (0); /* room not found */
2698 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2700 if (cdbfr != NULL) {
2701 msglist = mallok(cdbfr->len);
2702 dellist = mallok(cdbfr->len);
2703 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2704 num_msgs = cdbfr->len / sizeof(long);
2708 for (i = 0; i < num_msgs; ++i) {
2711 /* Set/clear a bit for each criterion */
2713 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2714 delete_this |= 0x01;
2716 if (strlen(content_type) == 0) {
2717 delete_this |= 0x02;
2719 GetMetaData(&smi, msglist[i]);
2720 if (!strcasecmp(smi.meta_content_type,
2722 delete_this |= 0x02;
2726 /* Delete message only if all bits are set */
2727 if (delete_this == 0x03) {
2728 dellist[num_deleted++] = msglist[i];
2733 num_msgs = sort_msglist(msglist, num_msgs);
2734 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2735 msglist, (num_msgs * sizeof(long)));
2737 qrbuf.QRhighest = msglist[num_msgs - 1];
2741 /* Go through the messages we pulled out of the index, and decrement
2742 * their reference counts by 1. If this is the only room the message
2743 * was in, the reference count will reach zero and the message will
2744 * automatically be deleted from the database. We do this in a
2745 * separate pass because there might be plug-in hooks getting called,
2746 * and we don't want that happening during an S_QUICKROOM critical
2749 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2750 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2751 AdjRefCount(dellist[i], -1);
2754 /* Now free the memory we used, and go away. */
2755 if (msglist != NULL) phree(msglist);
2756 if (dellist != NULL) phree(dellist);
2757 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2758 return (num_deleted);
2764 * Check whether the current user has permission to delete messages from
2765 * the current room (returns 1 for yes, 0 for no)
2767 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2768 getuser(&CC->usersupp, CC->curr_user);
2769 if ((CC->usersupp.axlevel < 6)
2770 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2771 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2772 && (!(CC->internal_pgm))) {
2781 * Delete message from current room
2783 void cmd_dele(char *delstr)
2788 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2789 cprintf("%d Higher access required.\n",
2790 ERROR + HIGHER_ACCESS_REQUIRED);
2793 delnum = extract_long(delstr, 0);
2795 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2798 cprintf("%d %d message%s deleted.\n", CIT_OK,
2799 num_deleted, ((num_deleted != 1) ? "s" : ""));
2801 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2807 * Back end API function for moves and deletes
2809 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2812 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2813 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2814 if (err != 0) return(err);
2822 * move or copy a message to another room
2824 void cmd_move(char *args)
2828 struct quickroom qtemp;
2832 num = extract_long(args, 0);
2833 extract(targ, args, 1);
2834 targ[ROOMNAMELEN - 1] = 0;
2835 is_copy = extract_int(args, 2);
2837 if (getroom(&qtemp, targ) != 0) {
2838 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2842 getuser(&CC->usersupp, CC->curr_user);
2843 /* Aides can move/copy */
2844 if ((CC->usersupp.axlevel < 6)
2845 /* Roomaides can move/copy */
2846 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2847 /* Permit move/copy to/from personal rooms */
2848 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2849 && (qtemp.QRflags & QR_MAILBOX)))
2850 /* Permit only copy from public to personal room */
2851 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2852 && (qtemp.QRflags & QR_MAILBOX)))) {
2853 cprintf("%d Higher access required.\n",
2854 ERROR + HIGHER_ACCESS_REQUIRED);
2858 err = CtdlCopyMsgToRoom(num, targ);
2860 cprintf("%d Cannot store message in %s: error %d\n",
2865 /* Now delete the message from the source room,
2866 * if this is a 'move' rather than a 'copy' operation.
2869 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2872 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2878 * GetMetaData() - Get the supplementary record for a message
2880 void GetMetaData(struct MetaData *smibuf, long msgnum)
2883 struct cdbdata *cdbsmi;
2886 memset(smibuf, 0, sizeof(struct MetaData));
2887 smibuf->meta_msgnum = msgnum;
2888 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2890 /* Use the negative of the message number for its supp record index */
2891 TheIndex = (0L - msgnum);
2893 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2894 if (cdbsmi == NULL) {
2895 return; /* record not found; go with defaults */
2897 memcpy(smibuf, cdbsmi->ptr,
2898 ((cdbsmi->len > sizeof(struct MetaData)) ?
2899 sizeof(struct MetaData) : cdbsmi->len));
2906 * PutMetaData() - (re)write supplementary record for a message
2908 void PutMetaData(struct MetaData *smibuf)
2912 /* Use the negative of the message number for the metadata db index */
2913 TheIndex = (0L - smibuf->meta_msgnum);
2915 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2916 smibuf->meta_msgnum, smibuf->meta_refcount);
2918 cdb_store(CDB_MSGMAIN,
2919 &TheIndex, sizeof(long),
2920 smibuf, sizeof(struct MetaData));
2925 * AdjRefCount - change the reference count for a message;
2926 * delete the message if it reaches zero
2928 void AdjRefCount(long msgnum, int incr)
2931 struct MetaData smi;
2934 /* This is a *tight* critical section; please keep it that way, as
2935 * it may get called while nested in other critical sections.
2936 * Complicating this any further will surely cause deadlock!
2938 begin_critical_section(S_SUPPMSGMAIN);
2939 GetMetaData(&smi, msgnum);
2940 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2941 msgnum, smi.meta_refcount);
2942 smi.meta_refcount += incr;
2944 end_critical_section(S_SUPPMSGMAIN);
2945 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2946 msgnum, smi.meta_refcount);
2948 /* If the reference count is now zero, delete the message
2949 * (and its supplementary record as well).
2951 if (smi.meta_refcount == 0) {
2952 lprintf(9, "Deleting message <%ld>\n", msgnum);
2954 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2956 /* We have to delete the metadata record too! */
2957 delnum = (0L - msgnum);
2958 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2963 * Write a generic object to this room
2965 * Note: this could be much more efficient. Right now we use two temporary
2966 * files, and still pull the message into memory as with all others.
2968 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2969 char *content_type, /* MIME type of this object */
2970 char *tempfilename, /* Where to fetch it from */
2971 struct usersupp *is_mailbox, /* Mailbox room? */
2972 int is_binary, /* Is encoding necessary? */
2973 int is_unique, /* Del others of this type? */
2974 unsigned int flags /* Internal save flags */
2979 char filename[PATH_MAX];
2982 struct quickroom qrbuf;
2983 char roomname[ROOMNAMELEN];
2984 struct CtdlMessage *msg;
2987 if (is_mailbox != NULL)
2988 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
2990 safestrncpy(roomname, req_room, sizeof(roomname));
2991 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2993 strcpy(filename, tmpnam(NULL));
2994 fp = fopen(filename, "w");
2998 tempfp = fopen(tempfilename, "r");
2999 if (tempfp == NULL) {
3005 fprintf(fp, "Content-type: %s\n", content_type);
3006 lprintf(9, "Content-type: %s\n", content_type);
3008 if (is_binary == 0) {
3009 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
3010 while (ch = getc(tempfp), ch > 0)
3016 fprintf(fp, "Content-transfer-encoding: base64\n\n");
3019 snprintf(cmdbuf, sizeof cmdbuf, "./base64 -e <%s >>%s",
3020 tempfilename, filename);
3024 lprintf(9, "Allocating\n");
3025 msg = mallok(sizeof(struct CtdlMessage));
3026 memset(msg, 0, sizeof(struct CtdlMessage));
3027 msg->cm_magic = CTDLMESSAGE_MAGIC;
3028 msg->cm_anon_type = MES_NORMAL;
3029 msg->cm_format_type = 4;
3030 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
3031 msg->cm_fields['O'] = strdoop(req_room);
3032 msg->cm_fields['N'] = strdoop(config.c_nodename);
3033 msg->cm_fields['H'] = strdoop(config.c_humannode);
3034 msg->cm_flags = flags;
3036 lprintf(9, "Loading\n");
3037 fp = fopen(filename, "rb");
3038 fseek(fp, 0L, SEEK_END);
3041 msg->cm_fields['M'] = mallok(len);
3042 fread(msg->cm_fields['M'], len, 1, fp);
3046 /* Create the requested room if we have to. */
3047 if (getroom(&qrbuf, roomname) != 0) {
3048 create_room(roomname,
3049 ( (is_mailbox != NULL) ? 5 : 3 ),
3052 /* If the caller specified this object as unique, delete all
3053 * other objects of this type that are currently in the room.
3056 lprintf(9, "Deleted %d other msgs of this type\n",
3057 CtdlDeleteMessages(roomname, 0L, content_type));
3059 /* Now write the data */
3060 CtdlSubmitMsg(msg, NULL, roomname);
3061 CtdlFreeMessage(msg);
3069 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3070 config_msgnum = msgnum;
3074 char *CtdlGetSysConfig(char *sysconfname) {
3075 char hold_rm[ROOMNAMELEN];
3078 struct CtdlMessage *msg;
3081 strcpy(hold_rm, CC->quickroom.QRname);
3082 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
3083 getroom(&CC->quickroom, hold_rm);
3088 /* We want the last (and probably only) config in this room */
3089 begin_critical_section(S_CONFIG);
3090 config_msgnum = (-1L);
3091 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3092 CtdlGetSysConfigBackend, NULL);
3093 msgnum = config_msgnum;
3094 end_critical_section(S_CONFIG);
3100 msg = CtdlFetchMessage(msgnum);
3102 conf = strdoop(msg->cm_fields['M']);
3103 CtdlFreeMessage(msg);
3110 getroom(&CC->quickroom, hold_rm);
3112 if (conf != NULL) do {
3113 extract_token(buf, conf, 0, '\n');
3114 strcpy(conf, &conf[strlen(buf)+1]);
3115 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3120 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3121 char temp[PATH_MAX];
3124 strcpy(temp, tmpnam(NULL));
3126 fp = fopen(temp, "w");
3127 if (fp == NULL) return;
3128 fprintf(fp, "%s", sysconfdata);
3131 /* this handy API function does all the work for us */
3132 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);