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 strcpy(force_room, force);
1901 /* Learn about what's inside, because it's what's inside that counts */
1902 lprintf(9, "Learning what's inside\n");
1903 if (msg->cm_fields['M'] == NULL) {
1904 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1907 switch (msg->cm_format_type) {
1909 strcpy(content_type, "text/x-citadel-variformat");
1912 strcpy(content_type, "text/plain");
1915 strcpy(content_type, "text/plain");
1916 /* advance past header fields */
1917 mptr = msg->cm_fields['M'];
1920 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1921 safestrncpy(content_type, mptr,
1922 sizeof(content_type));
1923 strcpy(content_type, &content_type[14]);
1924 for (a = 0; a < strlen(content_type); ++a)
1925 if ((content_type[a] == ';')
1926 || (content_type[a] == ' ')
1927 || (content_type[a] == 13)
1928 || (content_type[a] == 10))
1929 content_type[a] = 0;
1936 /* Goto the correct room */
1937 lprintf(9, "Switching rooms\n");
1938 strcpy(hold_rm, CC->quickroom.QRname);
1939 strcpy(actual_rm, CC->quickroom.QRname);
1940 if (recps != NULL) {
1941 strcpy(actual_rm, SENTITEMS);
1944 /* If the user is a twit, move to the twit room for posting */
1945 lprintf(9, "Handling twit stuff\n");
1947 if (CC->usersupp.axlevel == 2) {
1948 strcpy(hold_rm, actual_rm);
1949 strcpy(actual_rm, config.c_twitroom);
1953 /* ...or if this message is destined for Aide> then go there. */
1954 if (strlen(force_room) > 0) {
1955 strcpy(actual_rm, force_room);
1958 lprintf(9, "Possibly relocating\n");
1959 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1960 getroom(&CC->quickroom, actual_rm);
1964 * If this message has no O (room) field, generate one.
1966 if (msg->cm_fields['O'] == NULL) {
1967 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1970 /* Perform "before save" hooks (aborting if any return nonzero) */
1971 lprintf(9, "Performing before-save hooks\n");
1972 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1974 /* If this message has an Extended ID, perform replication checks */
1975 lprintf(9, "Performing replication checks\n");
1976 if (ReplicationChecks(msg) > 0) return(-1);
1978 /* Save it to disk */
1979 lprintf(9, "Saving to disk\n");
1980 newmsgid = send_message(msg, NULL);
1981 if (newmsgid <= 0L) return(-1);
1983 /* Write a supplemental message info record. This doesn't have to
1984 * be a critical section because nobody else knows about this message
1987 lprintf(9, "Creating MetaData record\n");
1988 memset(&smi, 0, sizeof(struct MetaData));
1989 smi.meta_msgnum = newmsgid;
1990 smi.meta_refcount = 0;
1991 safestrncpy(smi.meta_content_type, content_type, 64);
1994 /* Now figure out where to store the pointers */
1995 lprintf(9, "Storing pointers\n");
1997 /* If this is being done by the networker delivering a private
1998 * message, we want to BYPASS saving the sender's copy (because there
1999 * is no local sender; it would otherwise go to the Trashcan).
2001 if ((!CC->internal_pgm) || (recps == NULL)) {
2002 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2003 lprintf(3, "ERROR saving message pointer!\n");
2004 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2008 /* For internet mail, drop a copy in the outbound queue room */
2010 if (recps->num_internet > 0) {
2011 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2014 /* If other rooms are specified, drop them there too. */
2016 if (recps->num_room > 0)
2017 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2018 extract(recipient, recps->recp_room, i);
2019 lprintf(9, "Delivering to local room <%s>\n", recipient);
2020 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2023 /* Bump this user's messages posted counter. */
2024 lprintf(9, "Updating user\n");
2025 lgetuser(&CC->usersupp, CC->curr_user);
2026 CC->usersupp.posted = CC->usersupp.posted + 1;
2027 lputuser(&CC->usersupp);
2029 /* If this is private, local mail, make a copy in the
2030 * recipient's mailbox and bump the reference count.
2033 if (recps->num_local > 0)
2034 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2035 extract(recipient, recps->recp_local, i);
2036 lprintf(9, "Delivering private local mail to <%s>\n",
2038 if (getuser(&userbuf, recipient) == 0) {
2039 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2040 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2041 BumpNewMailCounter(userbuf.usernum);
2044 lprintf(9, "No user <%s>\n", recipient);
2045 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2049 /* Perform "after save" hooks */
2050 lprintf(9, "Performing after-save hooks\n");
2051 PerformMessageHooks(msg, EVT_AFTERSAVE);
2053 /* For IGnet mail, we have to save a new copy into the spooler for
2054 * each recipient, with the R and D fields set to the recipient and
2055 * destination-node. This has two ugly side effects: all other
2056 * recipients end up being unlisted in this recipient's copy of the
2057 * message, and it has to deliver multiple messages to the same
2058 * node. We'll revisit this again in a year or so when everyone has
2059 * a network spool receiver that can handle the new style messages.
2062 if (recps->num_ignet > 0)
2063 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2064 extract(recipient, recps->recp_ignet, i);
2066 hold_R = msg->cm_fields['R'];
2067 hold_D = msg->cm_fields['D'];
2068 msg->cm_fields['R'] = mallok(SIZ);
2069 msg->cm_fields['D'] = mallok(SIZ);
2070 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2071 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2073 serialize_message(&smr, msg);
2075 snprintf(aaa, sizeof aaa,
2076 "./network/spoolin/netmail.%04lx.%04x.%04x",
2077 (long) getpid(), CC->cs_pid, ++seqnum);
2078 network_fp = fopen(aaa, "wb+");
2079 if (network_fp != NULL) {
2080 fwrite(smr.ser, smr.len, 1, network_fp);
2086 phree(msg->cm_fields['R']);
2087 phree(msg->cm_fields['D']);
2088 msg->cm_fields['R'] = hold_R;
2089 msg->cm_fields['D'] = hold_D;
2092 /* Go back to the room we started from */
2093 lprintf(9, "Returning to original room\n");
2094 if (strcasecmp(hold_rm, CC->quickroom.QRname))
2095 getroom(&CC->quickroom, hold_rm);
2097 /* For internet mail, generate delivery instructions.
2098 * Yes, this is recursive. Deal with it. Infinite recursion does
2099 * not happen because the delivery instructions message does not
2100 * contain a recipient.
2103 if (recps->num_internet > 0) {
2104 lprintf(9, "Generating delivery instructions\n");
2105 instr = mallok(SIZ * 2);
2106 snprintf(instr, SIZ * 2,
2107 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2109 SPOOLMIME, newmsgid, (long)time(NULL),
2110 msg->cm_fields['A'], msg->cm_fields['N']
2113 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2114 size_t tmp = strlen(instr);
2115 extract(recipient, recps->recp_internet, i);
2116 snprintf(&instr[tmp], SIZ * 2 - tmp,
2117 "remote|%s|0||\n", recipient);
2120 imsg = mallok(sizeof(struct CtdlMessage));
2121 memset(imsg, 0, sizeof(struct CtdlMessage));
2122 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2123 imsg->cm_anon_type = MES_NORMAL;
2124 imsg->cm_format_type = FMT_RFC822;
2125 imsg->cm_fields['A'] = strdoop("Citadel");
2126 imsg->cm_fields['M'] = instr;
2127 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2128 CtdlFreeMessage(imsg);
2137 * Convenience function for generating small administrative messages.
2139 void quickie_message(char *from, char *to, char *room, char *text)
2141 struct CtdlMessage *msg;
2143 msg = mallok(sizeof(struct CtdlMessage));
2144 memset(msg, 0, sizeof(struct CtdlMessage));
2145 msg->cm_magic = CTDLMESSAGE_MAGIC;
2146 msg->cm_anon_type = MES_NORMAL;
2147 msg->cm_format_type = 0;
2148 msg->cm_fields['A'] = strdoop(from);
2149 msg->cm_fields['O'] = strdoop(room);
2150 msg->cm_fields['N'] = strdoop(NODENAME);
2152 msg->cm_fields['R'] = strdoop(to);
2153 msg->cm_fields['M'] = strdoop(text);
2155 CtdlSubmitMsg(msg, NULL, room);
2156 CtdlFreeMessage(msg);
2157 syslog(LOG_NOTICE, text);
2163 * Back end function used by make_message() and similar functions
2165 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2166 size_t maxlen, /* maximum message length */
2167 char *exist /* if non-null, append to it;
2168 exist is ALWAYS freed */
2172 size_t message_len = 0;
2173 size_t buffer_len = 0;
2177 if (exist == NULL) {
2184 message_len = strlen(exist);
2185 buffer_len = message_len + 4096;
2186 m = reallok(exist, buffer_len);
2193 /* flush the input if we have nowhere to store it */
2195 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2199 /* read in the lines of message text one by one */
2200 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2202 /* strip trailing newline type stuff */
2203 if (buf[strlen(buf)-1]==10) buf[strlen(buf)-1]=0;
2204 if (buf[strlen(buf)-1]==13) buf[strlen(buf)-1]=0;
2206 linelen = strlen(buf);
2208 /* augment the buffer if we have to */
2209 if ((message_len + linelen + 2) > buffer_len) {
2210 lprintf(9, "realloking\n");
2211 ptr = reallok(m, (buffer_len * 2) );
2212 if (ptr == NULL) { /* flush if can't allocate */
2213 while ( (client_gets(buf)>0) &&
2214 strcmp(buf, terminator)) ;;
2217 buffer_len = (buffer_len * 2);
2219 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2223 /* Add the new line to the buffer. NOTE: this loop must avoid
2224 * using functions like strcat() and strlen() because they
2225 * traverse the entire buffer upon every call, and doing that
2226 * for a multi-megabyte message slows it down beyond usability.
2228 strcpy(&m[message_len], buf);
2229 m[message_len + linelen] = '\n';
2230 m[message_len + linelen + 1] = 0;
2231 message_len = message_len + linelen + 1;
2233 /* if we've hit the max msg length, flush the rest */
2234 if (message_len >= maxlen) {
2235 while ( (client_gets(buf)>0)
2236 && strcmp(buf, terminator)) ;;
2247 * Build a binary message to be saved on disk.
2250 static struct CtdlMessage *make_message(
2251 struct usersupp *author, /* author's usersupp structure */
2252 char *recipient, /* NULL if it's not mail */
2253 char *room, /* room where it's going */
2254 int type, /* see MES_ types in header file */
2255 int format_type, /* variformat, plain text, MIME... */
2256 char *fake_name, /* who we're masquerading as */
2257 char *subject /* Subject (optional) */
2259 char dest_node[SIZ];
2261 struct CtdlMessage *msg;
2263 msg = mallok(sizeof(struct CtdlMessage));
2264 memset(msg, 0, sizeof(struct CtdlMessage));
2265 msg->cm_magic = CTDLMESSAGE_MAGIC;
2266 msg->cm_anon_type = type;
2267 msg->cm_format_type = format_type;
2269 /* Don't confuse the poor folks if it's not routed mail. */
2270 strcpy(dest_node, "");
2274 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2275 msg->cm_fields['P'] = strdoop(buf);
2277 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2278 msg->cm_fields['T'] = strdoop(buf);
2280 if (fake_name[0]) /* author */
2281 msg->cm_fields['A'] = strdoop(fake_name);
2283 msg->cm_fields['A'] = strdoop(author->fullname);
2285 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2286 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2289 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2292 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2293 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2295 if (recipient[0] != 0) {
2296 msg->cm_fields['R'] = strdoop(recipient);
2298 if (dest_node[0] != 0) {
2299 msg->cm_fields['D'] = strdoop(dest_node);
2302 if ( (author == &CC->usersupp) && (CC->cs_inet_email != NULL) ) {
2303 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2306 if (subject != NULL) {
2308 if (strlen(subject) > 0) {
2309 msg->cm_fields['U'] = strdoop(subject);
2313 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2314 config.c_maxmsglen, NULL);
2321 * Check to see whether we have permission to post a message in the current
2322 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2323 * returns 0 on success.
2325 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2327 if (!(CC->logged_in)) {
2328 snprintf(errmsgbuf, n, "Not logged in.");
2329 return (ERROR + NOT_LOGGED_IN);
2332 if ((CC->usersupp.axlevel < 2)
2333 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2334 snprintf(errmsgbuf, n, "Need to be validated to enter "
2335 "(except in %s> to sysop)", MAILROOM);
2336 return (ERROR + HIGHER_ACCESS_REQUIRED);
2339 if ((CC->usersupp.axlevel < 4)
2340 && (CC->quickroom.QRflags & QR_NETWORK)) {
2341 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2342 return (ERROR + HIGHER_ACCESS_REQUIRED);
2345 if ((CC->usersupp.axlevel < 6)
2346 && (CC->quickroom.QRflags & QR_READONLY)) {
2347 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2348 return (ERROR + HIGHER_ACCESS_REQUIRED);
2351 strcpy(errmsgbuf, "Ok");
2357 * Validate recipients, count delivery types and errors, and handle aliasing
2358 * FIXME check for dupes!!!!!
2360 struct recptypes *validate_recipients(char *recipients) {
2361 struct recptypes *ret;
2362 char this_recp[SIZ];
2363 char this_recp_cooked[SIZ];
2369 struct usersupp tempUS;
2370 struct quickroom tempQR;
2373 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2374 if (ret == NULL) return(NULL);
2375 memset(ret, 0, sizeof(struct recptypes));
2378 ret->num_internet = 0;
2383 if (recipients == NULL) {
2386 else if (strlen(recipients) == 0) {
2390 /* Change all valid separator characters to commas */
2391 for (i=0; i<strlen(recipients); ++i) {
2392 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2393 recipients[i] = ',';
2398 num_recps = num_tokens(recipients, ',');
2401 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2402 extract_token(this_recp, recipients, i, ',');
2404 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2405 mailtype = alias(this_recp);
2406 mailtype = alias(this_recp);
2407 mailtype = alias(this_recp);
2408 for (j=0; j<=strlen(this_recp); ++j) {
2409 if (this_recp[j]=='_') {
2410 this_recp_cooked[j] = ' ';
2413 this_recp_cooked[j] = this_recp[j];
2419 if (!strcasecmp(this_recp, "sysop")) {
2421 strcpy(this_recp, config.c_aideroom);
2422 if (strlen(ret->recp_room) > 0) {
2423 strcat(ret->recp_room, "|");
2425 strcat(ret->recp_room, this_recp);
2427 else if (getuser(&tempUS, this_recp) == 0) {
2429 strcpy(this_recp, tempUS.fullname);
2430 if (strlen(ret->recp_local) > 0) {
2431 strcat(ret->recp_local, "|");
2433 strcat(ret->recp_local, this_recp);
2435 else if (getuser(&tempUS, this_recp_cooked) == 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 ( (!strncasecmp(this_recp, "room_", 5))
2444 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2446 if (strlen(ret->recp_room) > 0) {
2447 strcat(ret->recp_room, "|");
2449 strcat(ret->recp_room, &this_recp_cooked[5]);
2457 ++ret->num_internet;
2458 if (strlen(ret->recp_internet) > 0) {
2459 strcat(ret->recp_internet, "|");
2461 strcat(ret->recp_internet, this_recp);
2465 if (strlen(ret->recp_ignet) > 0) {
2466 strcat(ret->recp_ignet, "|");
2468 strcat(ret->recp_ignet, this_recp);
2476 if (strlen(ret->errormsg) == 0) {
2477 snprintf(append, sizeof append,
2478 "Invalid recipient: %s",
2482 snprintf(append, sizeof append,
2485 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2486 strcat(ret->errormsg, append);
2490 if (strlen(ret->display_recp) == 0) {
2491 strcpy(append, this_recp);
2494 snprintf(append, sizeof append, ", %s",
2497 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2498 strcat(ret->display_recp, append);
2503 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2504 ret->num_room + ret->num_error) == 0) {
2506 strcpy(ret->errormsg, "No recipients specified.");
2509 lprintf(9, "validate_recipients()\n");
2510 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2511 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2512 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2513 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2514 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2522 * message entry - mode 0 (normal)
2524 void cmd_ent0(char *entargs)
2528 char masquerade_as[SIZ];
2530 int format_type = 0;
2531 char newusername[SIZ];
2532 struct CtdlMessage *msg;
2536 struct recptypes *valid = NULL;
2539 post = extract_int(entargs, 0);
2540 extract(recp, entargs, 1);
2541 anon_flag = extract_int(entargs, 2);
2542 format_type = extract_int(entargs, 3);
2543 extract(subject, entargs, 4);
2545 /* first check to make sure the request is valid. */
2547 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2549 cprintf("%d %s\n", err, errmsg);
2553 /* Check some other permission type things. */
2556 if (CC->usersupp.axlevel < 6) {
2557 cprintf("%d You don't have permission to masquerade.\n",
2558 ERROR + HIGHER_ACCESS_REQUIRED);
2561 extract(newusername, entargs, 4);
2562 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2563 safestrncpy(CC->fake_postname, newusername,
2564 sizeof(CC->fake_postname) );
2565 cprintf("%d ok\n", CIT_OK);
2568 CC->cs_flags |= CS_POSTING;
2570 /* In the Mail> room we have to behave a little differently --
2571 * make sure the user has specified at least one recipient. Then
2572 * validate the recipient(s).
2574 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2575 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2577 if (CC->usersupp.axlevel < 2) {
2578 strcpy(recp, "sysop");
2581 valid = validate_recipients(recp);
2582 if (valid->num_error > 0) {
2584 ERROR + NO_SUCH_USER, valid->errormsg);
2589 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2590 && (CC->usersupp.axlevel < 4) ) {
2591 cprintf("%d Higher access required for network mail.\n",
2592 ERROR + HIGHER_ACCESS_REQUIRED);
2597 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2598 && ((CC->usersupp.flags & US_INTERNET) == 0)
2599 && (!CC->internal_pgm)) {
2600 cprintf("%d You don't have access to Internet mail.\n",
2601 ERROR + HIGHER_ACCESS_REQUIRED);
2608 /* Is this a room which has anonymous-only or anonymous-option? */
2609 anonymous = MES_NORMAL;
2610 if (CC->quickroom.QRflags & QR_ANONONLY) {
2611 anonymous = MES_ANONONLY;
2613 if (CC->quickroom.QRflags & QR_ANONOPT) {
2614 if (anon_flag == 1) { /* only if the user requested it */
2615 anonymous = MES_ANONOPT;
2619 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2623 /* If we're only checking the validity of the request, return
2624 * success without creating the message.
2627 cprintf("%d %s\n", CIT_OK,
2628 ((valid != NULL) ? valid->display_recp : "") );
2633 /* Handle author masquerading */
2634 if (CC->fake_postname[0]) {
2635 strcpy(masquerade_as, CC->fake_postname);
2637 else if (CC->fake_username[0]) {
2638 strcpy(masquerade_as, CC->fake_username);
2641 strcpy(masquerade_as, "");
2644 /* Read in the message from the client. */
2645 cprintf("%d send message\n", SEND_LISTING);
2646 msg = make_message(&CC->usersupp, recp,
2647 CC->quickroom.QRname, anonymous, format_type,
2648 masquerade_as, subject);
2651 CtdlSubmitMsg(msg, valid, "");
2652 CtdlFreeMessage(msg);
2654 CC->fake_postname[0] = '\0';
2662 * API function to delete messages which match a set of criteria
2663 * (returns the actual number of messages deleted)
2665 int CtdlDeleteMessages(char *room_name, /* which room */
2666 long dmsgnum, /* or "0" for any */
2667 char *content_type /* or "" for any */
2671 struct quickroom qrbuf;
2672 struct cdbdata *cdbfr;
2673 long *msglist = NULL;
2674 long *dellist = NULL;
2677 int num_deleted = 0;
2679 struct MetaData smi;
2681 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2682 room_name, dmsgnum, content_type);
2684 /* get room record, obtaining a lock... */
2685 if (lgetroom(&qrbuf, room_name) != 0) {
2686 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2688 return (0); /* room not found */
2690 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2692 if (cdbfr != NULL) {
2693 msglist = mallok(cdbfr->len);
2694 dellist = mallok(cdbfr->len);
2695 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2696 num_msgs = cdbfr->len / sizeof(long);
2700 for (i = 0; i < num_msgs; ++i) {
2703 /* Set/clear a bit for each criterion */
2705 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2706 delete_this |= 0x01;
2708 if (strlen(content_type) == 0) {
2709 delete_this |= 0x02;
2711 GetMetaData(&smi, msglist[i]);
2712 if (!strcasecmp(smi.meta_content_type,
2714 delete_this |= 0x02;
2718 /* Delete message only if all bits are set */
2719 if (delete_this == 0x03) {
2720 dellist[num_deleted++] = msglist[i];
2725 num_msgs = sort_msglist(msglist, num_msgs);
2726 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2727 msglist, (num_msgs * sizeof(long)));
2729 qrbuf.QRhighest = msglist[num_msgs - 1];
2733 /* Go through the messages we pulled out of the index, and decrement
2734 * their reference counts by 1. If this is the only room the message
2735 * was in, the reference count will reach zero and the message will
2736 * automatically be deleted from the database. We do this in a
2737 * separate pass because there might be plug-in hooks getting called,
2738 * and we don't want that happening during an S_QUICKROOM critical
2741 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2742 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2743 AdjRefCount(dellist[i], -1);
2746 /* Now free the memory we used, and go away. */
2747 if (msglist != NULL) phree(msglist);
2748 if (dellist != NULL) phree(dellist);
2749 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2750 return (num_deleted);
2756 * Check whether the current user has permission to delete messages from
2757 * the current room (returns 1 for yes, 0 for no)
2759 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2760 getuser(&CC->usersupp, CC->curr_user);
2761 if ((CC->usersupp.axlevel < 6)
2762 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2763 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2764 && (!(CC->internal_pgm))) {
2773 * Delete message from current room
2775 void cmd_dele(char *delstr)
2780 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2781 cprintf("%d Higher access required.\n",
2782 ERROR + HIGHER_ACCESS_REQUIRED);
2785 delnum = extract_long(delstr, 0);
2787 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2790 cprintf("%d %d message%s deleted.\n", CIT_OK,
2791 num_deleted, ((num_deleted != 1) ? "s" : ""));
2793 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2799 * Back end API function for moves and deletes
2801 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2804 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2805 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2806 if (err != 0) return(err);
2814 * move or copy a message to another room
2816 void cmd_move(char *args)
2820 struct quickroom qtemp;
2824 num = extract_long(args, 0);
2825 extract(targ, args, 1);
2826 targ[ROOMNAMELEN - 1] = 0;
2827 is_copy = extract_int(args, 2);
2829 if (getroom(&qtemp, targ) != 0) {
2830 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2834 getuser(&CC->usersupp, CC->curr_user);
2835 /* Aides can move/copy */
2836 if ((CC->usersupp.axlevel < 6)
2837 /* Roomaides can move/copy */
2838 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2839 /* Permit move/copy to/from personal rooms */
2840 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2841 && (qtemp.QRflags & QR_MAILBOX)))
2842 /* Permit only copy from public to personal room */
2843 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2844 && (qtemp.QRflags & QR_MAILBOX)))) {
2845 cprintf("%d Higher access required.\n",
2846 ERROR + HIGHER_ACCESS_REQUIRED);
2850 err = CtdlCopyMsgToRoom(num, targ);
2852 cprintf("%d Cannot store message in %s: error %d\n",
2857 /* Now delete the message from the source room,
2858 * if this is a 'move' rather than a 'copy' operation.
2861 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2864 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2870 * GetMetaData() - Get the supplementary record for a message
2872 void GetMetaData(struct MetaData *smibuf, long msgnum)
2875 struct cdbdata *cdbsmi;
2878 memset(smibuf, 0, sizeof(struct MetaData));
2879 smibuf->meta_msgnum = msgnum;
2880 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2882 /* Use the negative of the message number for its supp record index */
2883 TheIndex = (0L - msgnum);
2885 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2886 if (cdbsmi == NULL) {
2887 return; /* record not found; go with defaults */
2889 memcpy(smibuf, cdbsmi->ptr,
2890 ((cdbsmi->len > sizeof(struct MetaData)) ?
2891 sizeof(struct MetaData) : cdbsmi->len));
2898 * PutMetaData() - (re)write supplementary record for a message
2900 void PutMetaData(struct MetaData *smibuf)
2904 /* Use the negative of the message number for the metadata db index */
2905 TheIndex = (0L - smibuf->meta_msgnum);
2907 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2908 smibuf->meta_msgnum, smibuf->meta_refcount);
2910 cdb_store(CDB_MSGMAIN,
2911 &TheIndex, sizeof(long),
2912 smibuf, sizeof(struct MetaData));
2917 * AdjRefCount - change the reference count for a message;
2918 * delete the message if it reaches zero
2920 void AdjRefCount(long msgnum, int incr)
2923 struct MetaData smi;
2926 /* This is a *tight* critical section; please keep it that way, as
2927 * it may get called while nested in other critical sections.
2928 * Complicating this any further will surely cause deadlock!
2930 begin_critical_section(S_SUPPMSGMAIN);
2931 GetMetaData(&smi, msgnum);
2932 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2933 msgnum, smi.meta_refcount);
2934 smi.meta_refcount += incr;
2936 end_critical_section(S_SUPPMSGMAIN);
2937 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2938 msgnum, smi.meta_refcount);
2940 /* If the reference count is now zero, delete the message
2941 * (and its supplementary record as well).
2943 if (smi.meta_refcount == 0) {
2944 lprintf(9, "Deleting message <%ld>\n", msgnum);
2946 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2948 /* We have to delete the metadata record too! */
2949 delnum = (0L - msgnum);
2950 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2955 * Write a generic object to this room
2957 * Note: this could be much more efficient. Right now we use two temporary
2958 * files, and still pull the message into memory as with all others.
2960 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2961 char *content_type, /* MIME type of this object */
2962 char *tempfilename, /* Where to fetch it from */
2963 struct usersupp *is_mailbox, /* Mailbox room? */
2964 int is_binary, /* Is encoding necessary? */
2965 int is_unique, /* Del others of this type? */
2966 unsigned int flags /* Internal save flags */
2971 char filename[PATH_MAX];
2974 struct quickroom qrbuf;
2975 char roomname[ROOMNAMELEN];
2976 struct CtdlMessage *msg;
2979 if (is_mailbox != NULL)
2980 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
2982 safestrncpy(roomname, req_room, sizeof(roomname));
2983 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2985 strcpy(filename, tmpnam(NULL));
2986 fp = fopen(filename, "w");
2990 tempfp = fopen(tempfilename, "r");
2991 if (tempfp == NULL) {
2997 fprintf(fp, "Content-type: %s\n", content_type);
2998 lprintf(9, "Content-type: %s\n", content_type);
3000 if (is_binary == 0) {
3001 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
3002 while (ch = getc(tempfp), ch > 0)
3008 fprintf(fp, "Content-transfer-encoding: base64\n\n");
3011 snprintf(cmdbuf, sizeof cmdbuf, "./base64 -e <%s >>%s",
3012 tempfilename, filename);
3016 lprintf(9, "Allocating\n");
3017 msg = mallok(sizeof(struct CtdlMessage));
3018 memset(msg, 0, sizeof(struct CtdlMessage));
3019 msg->cm_magic = CTDLMESSAGE_MAGIC;
3020 msg->cm_anon_type = MES_NORMAL;
3021 msg->cm_format_type = 4;
3022 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
3023 msg->cm_fields['O'] = strdoop(req_room);
3024 msg->cm_fields['N'] = strdoop(config.c_nodename);
3025 msg->cm_fields['H'] = strdoop(config.c_humannode);
3026 msg->cm_flags = flags;
3028 lprintf(9, "Loading\n");
3029 fp = fopen(filename, "rb");
3030 fseek(fp, 0L, SEEK_END);
3033 msg->cm_fields['M'] = mallok(len);
3034 fread(msg->cm_fields['M'], len, 1, fp);
3038 /* Create the requested room if we have to. */
3039 if (getroom(&qrbuf, roomname) != 0) {
3040 create_room(roomname,
3041 ( (is_mailbox != NULL) ? 5 : 3 ),
3044 /* If the caller specified this object as unique, delete all
3045 * other objects of this type that are currently in the room.
3048 lprintf(9, "Deleted %d other msgs of this type\n",
3049 CtdlDeleteMessages(roomname, 0L, content_type));
3051 /* Now write the data */
3052 CtdlSubmitMsg(msg, NULL, roomname);
3053 CtdlFreeMessage(msg);
3061 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3062 config_msgnum = msgnum;
3066 char *CtdlGetSysConfig(char *sysconfname) {
3067 char hold_rm[ROOMNAMELEN];
3070 struct CtdlMessage *msg;
3073 strcpy(hold_rm, CC->quickroom.QRname);
3074 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
3075 getroom(&CC->quickroom, hold_rm);
3080 /* We want the last (and probably only) config in this room */
3081 begin_critical_section(S_CONFIG);
3082 config_msgnum = (-1L);
3083 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3084 CtdlGetSysConfigBackend, NULL);
3085 msgnum = config_msgnum;
3086 end_critical_section(S_CONFIG);
3092 msg = CtdlFetchMessage(msgnum);
3094 conf = strdoop(msg->cm_fields['M']);
3095 CtdlFreeMessage(msg);
3102 getroom(&CC->quickroom, hold_rm);
3104 if (conf != NULL) do {
3105 extract_token(buf, conf, 0, '\n');
3106 strcpy(conf, &conf[strlen(buf)+1]);
3107 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3112 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3113 char temp[PATH_MAX];
3116 strcpy(temp, tmpnam(NULL));
3118 fp = fopen(temp, "w");
3119 if (fp == NULL) return;
3120 fprintf(fp, "%s", sysconfdata);
3123 /* this handy API function does all the work for us */
3124 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);