4 * Implements the message store.
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
38 #include "serv_extensions.h"
42 #include "sysdep_decls.h"
43 #include "citserver.h"
49 #include "mime_parser.h"
52 #include "internet_addressing.h"
54 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
55 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
56 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
58 extern struct config config;
63 * This really belongs in serv_network.c, but I don't know how to export
64 * symbols between modules.
66 struct FilterList *filterlist = NULL;
70 * These are the four-character field headers we use when outputting
71 * messages in Citadel format (as opposed to RFC822 format).
74 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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,
108 * This function is self explanatory.
109 * (What can I say, I'm in a weird mood today...)
111 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
115 for (i = 0; i < strlen(name); ++i) {
116 if (name[i] == '@') {
117 while (isspace(name[i - 1]) && i > 0) {
118 strcpy(&name[i - 1], &name[i]);
121 while (isspace(name[i + 1])) {
122 strcpy(&name[i + 1], &name[i + 2]);
130 * Aliasing for network mail.
131 * (Error messages have been commented out, because this is a server.)
133 int alias(char *name)
134 { /* process alias and routing info for mail */
137 char aaa[SIZ], bbb[SIZ];
138 char *ignetcfg = NULL;
139 char *ignetmap = NULL;
146 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
148 fp = fopen("network/mail.aliases", "r");
150 fp = fopen("/dev/null", "r");
157 while (fgets(aaa, sizeof aaa, fp) != NULL) {
158 while (isspace(name[0]))
159 strcpy(name, &name[1]);
160 aaa[strlen(aaa) - 1] = 0;
162 for (a = 0; a < strlen(aaa); ++a) {
164 strcpy(bbb, &aaa[a + 1]);
168 if (!strcasecmp(name, aaa))
173 /* Hit the Global Address Book */
174 if (CtdlDirectoryLookup(aaa, name) == 0) {
178 lprintf(7, "Mail is being forwarded to %s\n", name);
180 /* Change "user @ xxx" to "user" if xxx is an alias for this host */
181 for (a=0; a<strlen(name); ++a) {
182 if (name[a] == '@') {
183 if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
185 lprintf(7, "Changed to <%s>\n", name);
190 /* determine local or remote type, see citadel.h */
191 at = haschar(name, '@');
192 if (at == 0) return(MES_LOCAL); /* no @'s - local address */
193 if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
194 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
196 /* figure out the delivery mode */
197 extract_token(node, name, 1, '@');
199 /* If there are one or more dots in the nodename, we assume that it
200 * is an FQDN and will attempt SMTP delivery to the Internet.
202 if (haschar(node, '.') > 0) {
203 return(MES_INTERNET);
206 /* Otherwise we look in the IGnet maps for a valid Citadel node.
207 * Try directly-connected nodes first...
209 ignetcfg = CtdlGetSysConfig(IGNETCFG);
210 for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
211 extract_token(buf, ignetcfg, i, '\n');
212 extract_token(testnode, buf, 0, '|');
213 if (!strcasecmp(node, testnode)) {
221 * Then try nodes that are two or more hops away.
223 ignetmap = CtdlGetSysConfig(IGNETMAP);
224 for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
225 extract_token(buf, ignetmap, i, '\n');
226 extract_token(testnode, buf, 0, '|');
227 if (!strcasecmp(node, testnode)) {
234 /* If we get to this point it's an invalid node name */
243 fp = fopen("citadel.control", "r");
244 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
250 void simple_listing(long msgnum, void *userdata)
252 cprintf("%ld\n", msgnum);
257 /* Determine if a given message matches the fields in a message template.
258 * Return 0 for a successful match.
260 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
263 /* If there aren't any fields in the template, all messages will
266 if (template == NULL) return(0);
268 /* Null messages are bogus. */
269 if (msg == NULL) return(1);
271 for (i='A'; i<='Z'; ++i) {
272 if (template->cm_fields[i] != NULL) {
273 if (msg->cm_fields[i] == NULL) {
276 if (strcasecmp(msg->cm_fields[i],
277 template->cm_fields[i])) return 1;
281 /* All compares succeeded: we have a match! */
288 * Retrieve the "seen" message list for the current room.
290 void CtdlGetSeen(char *buf, int which_set) {
293 /* Learn about the user and room in question */
294 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
296 if (which_set == ctdlsetseen_seen)
297 safestrncpy(buf, vbuf.v_seen, SIZ);
298 if (which_set == ctdlsetseen_answered)
299 safestrncpy(buf, vbuf.v_answered, SIZ);
305 * Manipulate the "seen msgs" string (or other message set strings)
307 void CtdlSetSeen(long target_msgnum, int target_setting, int which_set) {
309 struct cdbdata *cdbfr;
320 /* Learn about the user and room in question */
321 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
323 /* Load the message list */
324 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
326 msglist = mallok(cdbfr->len);
327 memcpy(msglist, cdbfr->ptr, cdbfr->len);
328 num_msgs = cdbfr->len / sizeof(long);
331 return; /* No messages at all? No further action. */
334 /* Decide which message set we're manipulating */
335 if (which_set == ctdlsetseen_seen) strcpy(vset, vbuf.v_seen);
336 if (which_set == ctdlsetseen_answered) strcpy(vset, vbuf.v_answered);
338 lprintf(9, "before optimize: %s\n", vset);
341 for (i=0; i<num_msgs; ++i) {
344 if (msglist[i] == target_msgnum) {
345 is_seen = target_setting;
348 if (is_msg_in_mset(vset, msglist[i])) {
354 if (lo < 0L) lo = msglist[i];
357 if ( ((is_seen == 0) && (was_seen == 1))
358 || ((is_seen == 1) && (i == num_msgs-1)) ) {
361 if ( (strlen(newseen) + 20) > SIZ) {
362 strcpy(newseen, &newseen[20]);
365 tmp = strlen(newseen);
367 strcat(newseen, ",");
371 snprintf(&newseen[tmp], sizeof newseen - tmp,
375 snprintf(&newseen[tmp], sizeof newseen - tmp,
384 /* Decide which message set we're manipulating */
385 if (which_set == ctdlsetseen_seen) strcpy(vbuf.v_seen, newseen);
386 if (which_set == ctdlsetseen_answered) strcpy(vbuf.v_answered, newseen);
388 lprintf(9, " after optimize: %s\n", newseen);
390 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
395 * API function to perform an operation for each qualifying message in the
396 * current room. (Returns the number of messages processed.)
398 int CtdlForEachMessage(int mode, long ref,
400 struct CtdlMessage *compare,
401 void (*CallBack) (long, void *),
407 struct cdbdata *cdbfr;
408 long *msglist = NULL;
410 int num_processed = 0;
413 struct CtdlMessage *msg;
416 int printed_lastold = 0;
418 /* Learn about the user and room in question */
420 getuser(&CC->user, CC->curr_user);
421 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
423 /* Load the message list */
424 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
426 msglist = mallok(cdbfr->len);
427 memcpy(msglist, cdbfr->ptr, cdbfr->len);
428 num_msgs = cdbfr->len / sizeof(long);
431 return 0; /* No messages at all? No further action. */
436 * Now begin the traversal.
438 if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
440 /* If the caller is looking for a specific MIME type, filter
441 * out all messages which are not of the type requested.
443 if (content_type != NULL) if (strlen(content_type) > 0) {
445 /* This call to GetMetaData() sits inside this loop
446 * so that we only do the extra database read per msg
447 * if we need to. Doing the extra read all the time
448 * really kills the server. If we ever need to use
449 * metadata for another search criterion, we need to
450 * move the read somewhere else -- but still be smart
451 * enough to only do the read if the caller has
452 * specified something that will need it.
454 GetMetaData(&smi, msglist[a]);
456 if (strcasecmp(smi.meta_content_type, content_type)) {
462 num_msgs = sort_msglist(msglist, num_msgs);
464 /* If a template was supplied, filter out the messages which
465 * don't match. (This could induce some delays!)
468 if (compare != NULL) {
469 for (a = 0; a < num_msgs; ++a) {
470 msg = CtdlFetchMessage(msglist[a]);
472 if (CtdlMsgCmp(msg, compare)) {
475 CtdlFreeMessage(msg);
483 * Now iterate through the message list, according to the
484 * criteria supplied by the caller.
487 for (a = 0; a < num_msgs; ++a) {
488 thismsg = msglist[a];
489 is_seen = is_msg_in_mset(vbuf.v_seen, thismsg);
490 if (is_seen) lastold = thismsg;
495 || ((mode == MSGS_OLD) && (is_seen))
496 || ((mode == MSGS_NEW) && (!is_seen))
497 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
498 || ((mode == MSGS_FIRST) && (a < ref))
499 || ((mode == MSGS_GT) && (thismsg > ref))
500 || ((mode == MSGS_EQ) && (thismsg == ref))
503 if ((mode == MSGS_NEW) && (CC->user.flags & US_LASTOLD) && (lastold > 0L) && (printed_lastold == 0) && (!is_seen)) {
505 CallBack(lastold, userdata);
509 if (CallBack) CallBack(thismsg, userdata);
513 phree(msglist); /* Clean up */
514 return num_processed;
520 * cmd_msgs() - get list of message #'s in this room
521 * implements the MSGS server command using CtdlForEachMessage()
523 void cmd_msgs(char *cmdbuf)
532 int with_template = 0;
533 struct CtdlMessage *template = NULL;
535 extract(which, cmdbuf, 0);
536 cm_ref = extract_int(cmdbuf, 1);
537 with_template = extract_int(cmdbuf, 2);
541 if (!strncasecmp(which, "OLD", 3))
543 else if (!strncasecmp(which, "NEW", 3))
545 else if (!strncasecmp(which, "FIRST", 5))
547 else if (!strncasecmp(which, "LAST", 4))
549 else if (!strncasecmp(which, "GT", 2))
552 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
553 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
558 cprintf("%d Send template then receive message list\n",
560 template = (struct CtdlMessage *)
561 mallok(sizeof(struct CtdlMessage));
562 memset(template, 0, sizeof(struct CtdlMessage));
563 while(client_gets(buf), strcmp(buf,"000")) {
564 extract(tfield, buf, 0);
565 extract(tvalue, buf, 1);
566 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
567 if (!strcasecmp(tfield, msgkeys[i])) {
568 template->cm_fields[i] =
575 cprintf("%d Message list...\n", LISTING_FOLLOWS);
578 CtdlForEachMessage(mode, cm_ref,
579 NULL, template, simple_listing, NULL);
580 if (template != NULL) CtdlFreeMessage(template);
588 * help_subst() - support routine for help file viewer
590 void help_subst(char *strbuf, char *source, char *dest)
595 while (p = pattern2(strbuf, source), (p >= 0)) {
596 strcpy(workbuf, &strbuf[p + strlen(source)]);
597 strcpy(&strbuf[p], dest);
598 strcat(strbuf, workbuf);
603 void do_help_subst(char *buffer)
607 help_subst(buffer, "^nodename", config.c_nodename);
608 help_subst(buffer, "^humannode", config.c_humannode);
609 help_subst(buffer, "^fqdn", config.c_fqdn);
610 help_subst(buffer, "^username", CC->user.fullname);
611 snprintf(buf2, sizeof buf2, "%ld", CC->user.usernum);
612 help_subst(buffer, "^usernum", buf2);
613 help_subst(buffer, "^sysadm", config.c_sysadm);
614 help_subst(buffer, "^variantname", CITADEL);
615 snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
616 help_subst(buffer, "^maxsessions", buf2);
617 help_subst(buffer, "^bbsdir", BBSDIR);
623 * memfmout() - Citadel text formatter and paginator.
624 * Although the original purpose of this routine was to format
625 * text to the reader's screen width, all we're really using it
626 * for here is to format text out to 80 columns before sending it
627 * to the client. The client software may reformat it again.
630 int width, /* screen width to use */
631 char *mptr, /* where are we going to get our text from? */
632 char subst, /* nonzero if we should do substitutions */
633 char *nl) /* string to terminate lines with */
645 c = 1; /* c is the current pos */
649 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
651 buffer[strlen(buffer) + 1] = 0;
652 buffer[strlen(buffer)] = ch;
655 if (buffer[0] == '^')
656 do_help_subst(buffer);
658 buffer[strlen(buffer) + 1] = 0;
660 strcpy(buffer, &buffer[1]);
668 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
670 if (((old == 13) || (old == 10)) && (isspace(real))) {
678 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
679 cprintf("%s%s", nl, aaa);
688 if ((strlen(aaa) + c) > (width - 5)) {
697 if ((ch == 13) || (ch == 10)) {
698 cprintf("%s%s", aaa, nl);
705 cprintf("%s%s", aaa, nl);
711 * Callback function for mime parser that simply lists the part
713 void list_this_part(char *name, char *filename, char *partnum, char *disp,
714 void *content, char *cbtype, size_t length, char *encoding,
718 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
719 name, filename, partnum, disp, cbtype, (long)length);
723 * Callback function for multipart prefix
725 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
726 void *content, char *cbtype, size_t length, char *encoding,
729 cprintf("pref=%s|%s\n", partnum, cbtype);
733 * Callback function for multipart sufffix
735 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
736 void *content, char *cbtype, size_t length, char *encoding,
739 cprintf("suff=%s|%s\n", partnum, cbtype);
744 * Callback function for mime parser that opens a section for downloading
746 void mime_download(char *name, char *filename, char *partnum, char *disp,
747 void *content, char *cbtype, size_t length, char *encoding,
751 /* Silently go away if there's already a download open... */
752 if (CC->download_fp != NULL)
755 /* ...or if this is not the desired section */
756 if (strcasecmp(desired_section, partnum))
759 CC->download_fp = tmpfile();
760 if (CC->download_fp == NULL)
763 fwrite(content, length, 1, CC->download_fp);
764 fflush(CC->download_fp);
765 rewind(CC->download_fp);
767 OpenCmdResult(filename, cbtype);
773 * Load a message from disk into memory.
774 * This is used by CtdlOutputMsg() and other fetch functions.
776 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
777 * using the CtdlMessageFree() function.
779 struct CtdlMessage *CtdlFetchMessage(long msgnum)
781 struct cdbdata *dmsgtext;
782 struct CtdlMessage *ret = NULL;
785 cit_uint8_t field_header;
788 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
789 if (dmsgtext == NULL) {
792 mptr = dmsgtext->ptr;
794 /* Parse the three bytes that begin EVERY message on disk.
795 * The first is always 0xFF, the on-disk magic number.
796 * The second is the anonymous/public type byte.
797 * The third is the format type byte (vari, fixed, or MIME).
801 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
805 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
806 memset(ret, 0, sizeof(struct CtdlMessage));
808 ret->cm_magic = CTDLMESSAGE_MAGIC;
809 ret->cm_anon_type = *mptr++; /* Anon type byte */
810 ret->cm_format_type = *mptr++; /* Format type byte */
813 * The rest is zero or more arbitrary fields. Load them in.
814 * We're done when we encounter either a zero-length field or
815 * have just processed the 'M' (message text) field.
818 field_length = strlen(mptr);
819 if (field_length == 0)
821 field_header = *mptr++;
822 ret->cm_fields[field_header] = mallok(field_length);
823 strcpy(ret->cm_fields[field_header], mptr);
825 while (*mptr++ != 0); /* advance to next field */
827 } while ((field_length > 0) && (field_header != 'M'));
831 /* Always make sure there's something in the msg text field */
832 if (ret->cm_fields['M'] == NULL)
833 ret->cm_fields['M'] = strdoop("<no text>\n");
835 /* Perform "before read" hooks (aborting if any return nonzero) */
836 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
837 CtdlFreeMessage(ret);
846 * Returns 1 if the supplied pointer points to a valid Citadel message.
847 * If the pointer is NULL or the magic number check fails, returns 0.
849 int is_valid_message(struct CtdlMessage *msg) {
852 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
853 lprintf(7, "is_valid_message() -- self-check failed\n");
861 * 'Destructor' for struct CtdlMessage
863 void CtdlFreeMessage(struct CtdlMessage *msg)
867 if (is_valid_message(msg) == 0) return;
869 for (i = 0; i < 256; ++i)
870 if (msg->cm_fields[i] != NULL) {
871 phree(msg->cm_fields[i]);
874 msg->cm_magic = 0; /* just in case */
880 * Pre callback function for multipart/alternative
882 * NOTE: this differs from the standard behavior for a reason. Normally when
883 * displaying multipart/alternative you want to show the _last_ usable
884 * format in the message. Here we show the _first_ one, because it's
885 * usually text/plain. Since this set of functions is designed for text
886 * output to non-MIME-aware clients, this is the desired behavior.
889 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
890 void *content, char *cbtype, size_t length, char *encoding,
893 lprintf(9, "fixed_output_pre() type=<%s>\n", cbtype);
894 if (!strcasecmp(cbtype, "multipart/alternative")) {
902 * Post callback function for multipart/alternative
904 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
905 void *content, char *cbtype, size_t length, char *encoding,
908 lprintf(9, "fixed_output_post() type=<%s>\n", cbtype);
909 if (!strcasecmp(cbtype, "multipart/alternative")) {
917 * Inline callback function for mime parser that wants to display text
919 void fixed_output(char *name, char *filename, char *partnum, char *disp,
920 void *content, char *cbtype, size_t length, char *encoding,
927 lprintf(9, "fixed_output() type=<%s>\n", cbtype);
930 * If we're in the middle of a multipart/alternative scope and
931 * we've already printed another section, skip this one.
933 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
934 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
939 if ( (!strcasecmp(cbtype, "text/plain"))
940 || (strlen(cbtype)==0) ) {
943 client_write(wptr, length);
944 if (wptr[length-1] != '\n') {
949 else if (!strcasecmp(cbtype, "text/html")) {
950 ptr = html_to_ascii(content, 80, 0);
952 client_write(ptr, wlen);
953 if (ptr[wlen-1] != '\n') {
958 else if (strncasecmp(cbtype, "multipart/", 10)) {
959 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
960 partnum, filename, cbtype, (long)length);
965 * The client is elegant and sophisticated and wants to be choosy about
966 * MIME content types, so figure out which multipart/alternative part
967 * we're going to send.
969 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
970 void *content, char *cbtype, size_t length, char *encoding,
977 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
978 extract(buf, CC->preferred_formats, i);
979 if (!strcasecmp(buf, cbtype)) {
980 strcpy(ma->chosen_part, partnum);
987 * Now that we've chosen our preferred part, output it.
989 void output_preferred(char *name, char *filename, char *partnum, char *disp,
990 void *content, char *cbtype, size_t length, char *encoding,
998 /* This is not the MIME part you're looking for... */
999 if (strcasecmp(partnum, ma->chosen_part)) return;
1001 /* If the content-type of this part is in our preferred formats
1002 * list, we can simply output it verbatim.
1004 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
1005 extract(buf, CC->preferred_formats, i);
1006 if (!strcasecmp(buf, cbtype)) {
1007 /* Yeah! Go! W00t!! */
1009 text_content = (char *)content;
1010 if (text_content[length-1] != '\n') {
1014 cprintf("Content-type: %s\n", cbtype);
1015 cprintf("Content-length: %d\n",
1016 (int)(length + add_newline) );
1017 if (strlen(encoding) > 0) {
1018 cprintf("Content-transfer-encoding: %s\n", encoding);
1021 cprintf("Content-transfer-encoding: 7bit\n");
1024 client_write(content, length);
1025 if (add_newline) cprintf("\n");
1030 /* No translations required or possible: output as text/plain */
1031 cprintf("Content-type: text/plain\n\n");
1032 fixed_output(name, filename, partnum, disp, content, cbtype,
1033 length, encoding, cbuserdata);
1038 * Get a message off disk. (returns om_* values found in msgbase.h)
1041 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1042 int mode, /* how would you like that message? */
1043 int headers_only, /* eschew the message body? */
1044 int do_proto, /* do Citadel protocol responses? */
1045 int crlf /* Use CRLF newlines instead of LF? */
1047 struct CtdlMessage *TheMessage;
1050 lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
1055 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1056 if (do_proto) cprintf("%d Not logged in.\n",
1057 ERROR + NOT_LOGGED_IN);
1058 return(om_not_logged_in);
1061 /* FIXME ... small security issue
1062 * We need to check to make sure the requested message is actually
1063 * in the current room, and set msg_ok to 1 only if it is. This
1064 * functionality is currently missing because I'm in a hurry to replace
1065 * broken production code with nonbroken pre-beta code. :( -- ajc
1068 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
1069 ERROR + MESSAGE_NOT_FOUND, msg_num);
1070 return(om_no_such_msg);
1075 * Fetch the message from disk.
1077 TheMessage = CtdlFetchMessage(msg_num);
1079 if (TheMessage == NULL) {
1080 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1081 ERROR + MESSAGE_NOT_FOUND, msg_num);
1082 return(om_no_such_msg);
1085 retcode = CtdlOutputPreLoadedMsg(
1086 TheMessage, msg_num, mode,
1087 headers_only, do_proto, crlf);
1089 CtdlFreeMessage(TheMessage);
1096 * Get a message off disk. (returns om_* values found in msgbase.h)
1099 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
1101 int mode, /* how would you like that message? */
1102 int headers_only, /* eschew the message body? */
1103 int do_proto, /* do Citadel protocol responses? */
1104 int crlf /* Use CRLF newlines instead of LF? */
1110 char display_name[SIZ];
1112 char *nl; /* newline string */
1114 int subject_found = 0;
1116 /* buffers needed for RFC822 translation */
1123 char datestamp[SIZ];
1126 snprintf(mid, sizeof mid, "%ld", msg_num);
1127 nl = (crlf ? "\r\n" : "\n");
1129 if (!is_valid_message(TheMessage)) {
1130 lprintf(1, "ERROR: invalid preloaded message for output\n");
1131 return(om_no_such_msg);
1134 /* Are we downloading a MIME component? */
1135 if (mode == MT_DOWNLOAD) {
1136 if (TheMessage->cm_format_type != FMT_RFC822) {
1138 cprintf("%d This is not a MIME message.\n",
1139 ERROR + ILLEGAL_VALUE);
1140 } else if (CC->download_fp != NULL) {
1141 if (do_proto) cprintf(
1142 "%d You already have a download open.\n",
1143 ERROR + RESOURCE_BUSY);
1145 /* Parse the message text component */
1146 mptr = TheMessage->cm_fields['M'];
1147 mime_parser(mptr, NULL,
1148 *mime_download, NULL, NULL,
1150 /* If there's no file open by this time, the requested
1151 * section wasn't found, so print an error
1153 if (CC->download_fp == NULL) {
1154 if (do_proto) cprintf(
1155 "%d Section %s not found.\n",
1156 ERROR + FILE_NOT_FOUND,
1160 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1163 /* now for the user-mode message reading loops */
1164 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1166 /* Does the caller want to skip the headers? */
1167 if (headers_only == HEADERS_NONE) goto START_TEXT;
1169 /* Tell the client which format type we're using. */
1170 if ( (mode == MT_CITADEL) && (do_proto) ) {
1171 cprintf("type=%d\n", TheMessage->cm_format_type);
1174 /* nhdr=yes means that we're only displaying headers, no body */
1175 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1176 && (mode == MT_CITADEL)
1179 cprintf("nhdr=yes\n");
1182 /* begin header processing loop for Citadel message format */
1184 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1186 strcpy(display_name, "<unknown>");
1187 if (TheMessage->cm_fields['A']) {
1188 strcpy(buf, TheMessage->cm_fields['A']);
1189 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1190 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1191 strcpy(display_name, "****");
1193 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1194 strcpy(display_name, "anonymous");
1197 strcpy(display_name, buf);
1199 if ((is_room_aide())
1200 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1201 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1202 size_t tmp = strlen(display_name);
1203 snprintf(&display_name[tmp],
1204 sizeof display_name - tmp,
1209 /* Don't show Internet address for users on the
1210 * local Citadel network.
1213 if (TheMessage->cm_fields['N'] != NULL)
1214 if (strlen(TheMessage->cm_fields['N']) > 0)
1215 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1219 /* Now spew the header fields in the order we like them. */
1220 strcpy(allkeys, FORDER);
1221 for (i=0; i<strlen(allkeys); ++i) {
1222 k = (int) allkeys[i];
1224 if ( (TheMessage->cm_fields[k] != NULL)
1225 && (msgkeys[k] != NULL) ) {
1227 if (do_proto) cprintf("%s=%s\n",
1231 else if ((k == 'F') && (suppress_f)) {
1234 /* Masquerade display name if needed */
1236 if (do_proto) cprintf("%s=%s\n",
1238 TheMessage->cm_fields[k]
1247 /* begin header processing loop for RFC822 transfer format */
1252 strcpy(snode, NODENAME);
1253 strcpy(lnode, HUMANNODE);
1254 if (mode == MT_RFC822) {
1255 cprintf("X-UIDL: %ld%s", msg_num, nl);
1256 for (i = 0; i < 256; ++i) {
1257 if (TheMessage->cm_fields[i]) {
1258 mptr = TheMessage->cm_fields[i];
1261 strcpy(luser, mptr);
1262 strcpy(suser, mptr);
1265 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1266 into thinking that mail messages are newsgroup messages instead. When we
1267 add NNTP support back into Citadel we'll have to add code to only output
1268 this field when appropriate.
1269 else if (i == 'P') {
1270 cprintf("Path: %s%s", mptr, nl);
1273 else if (i == 'U') {
1274 cprintf("Subject: %s%s", mptr, nl);
1278 safestrncpy(mid, mptr, sizeof mid);
1280 safestrncpy(lnode, mptr, sizeof lnode);
1282 safestrncpy(fuser, mptr, sizeof fuser);
1284 cprintf("X-Citadel-Room: %s%s",
1287 safestrncpy(snode, mptr, sizeof snode);
1289 cprintf("To: %s%s", mptr, nl);
1290 else if (i == 'T') {
1291 datestring(datestamp, sizeof datestamp,
1292 atol(mptr), DATESTRING_RFC822);
1293 cprintf("Date: %s%s", datestamp, nl);
1297 if (subject_found == 0) {
1298 cprintf("Subject: (no subject)%s", nl);
1302 for (i=0; i<strlen(suser); ++i) {
1303 suser[i] = tolower(suser[i]);
1304 if (!isalnum(suser[i])) suser[i]='_';
1307 if (mode == MT_RFC822) {
1308 if (!strcasecmp(snode, NODENAME)) {
1309 strcpy(snode, FQDN);
1312 /* Construct a fun message id */
1313 cprintf("Message-ID: <%s", mid);
1314 if (strchr(mid, '@')==NULL) {
1315 cprintf("@%s", snode);
1319 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1321 if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONONLY)) {
1322 cprintf("From: x@x.org (----)%s", nl);
1324 else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
1325 cprintf("From: x@x.org (anonymous)%s", nl);
1327 else if (strlen(fuser) > 0) {
1328 cprintf("From: %s (%s)%s", fuser, luser, nl);
1331 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1334 cprintf("Organization: %s%s", lnode, nl);
1336 /* Blank line signifying RFC822 end-of-headers */
1337 if (TheMessage->cm_format_type != FMT_RFC822) {
1342 /* end header processing loop ... at this point, we're in the text */
1344 mptr = TheMessage->cm_fields['M'];
1346 /* Tell the client about the MIME parts in this message */
1347 if (TheMessage->cm_format_type == FMT_RFC822) {
1348 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1349 mime_parser(mptr, NULL,
1355 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1356 /* FIXME ... we have to put some code in here to avoid
1357 * printing duplicate header information when both
1358 * Citadel and RFC822 headers exist. Preference should
1359 * probably be given to the RFC822 headers.
1361 int done_rfc822_hdrs = 0;
1362 while (ch=*(mptr++), ch!=0) {
1367 if (!done_rfc822_hdrs) {
1368 if (headers_only != HEADERS_NONE) {
1373 if (headers_only != HEADERS_ONLY) {
1377 if ((*(mptr) == 13) || (*(mptr) == 10)) {
1378 done_rfc822_hdrs = 1;
1382 if (done_rfc822_hdrs) {
1383 if (headers_only != HEADERS_NONE) {
1388 if (headers_only != HEADERS_ONLY) {
1392 if ((*mptr == 13) || (*mptr == 10)) {
1393 done_rfc822_hdrs = 1;
1401 if (headers_only == HEADERS_ONLY) {
1405 /* signify start of msg text */
1406 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1407 if (do_proto) cprintf("text\n");
1410 /* If the format type on disk is 1 (fixed-format), then we want
1411 * everything to be output completely literally ... regardless of
1412 * what message transfer format is in use.
1414 if (TheMessage->cm_format_type == FMT_FIXED) {
1415 if (mode == MT_MIME) {
1416 cprintf("Content-type: text/plain\n\n");
1419 while (ch = *mptr++, ch > 0) {
1422 if ((ch == 10) || (strlen(buf) > 250)) {
1423 cprintf("%s%s", buf, nl);
1426 buf[strlen(buf) + 1] = 0;
1427 buf[strlen(buf)] = ch;
1430 if (strlen(buf) > 0)
1431 cprintf("%s%s", buf, nl);
1434 /* If the message on disk is format 0 (Citadel vari-format), we
1435 * output using the formatter at 80 columns. This is the final output
1436 * form if the transfer format is RFC822, but if the transfer format
1437 * is Citadel proprietary, it'll still work, because the indentation
1438 * for new paragraphs is correct and the client will reformat the
1439 * message to the reader's screen width.
1441 if (TheMessage->cm_format_type == FMT_CITADEL) {
1442 if (mode == MT_MIME) {
1443 cprintf("Content-type: text/x-citadel-variformat\n\n");
1445 memfmout(80, mptr, 0, nl);
1448 /* If the message on disk is format 4 (MIME), we've gotta hand it
1449 * off to the MIME parser. The client has already been told that
1450 * this message is format 1 (fixed format), so the callback function
1451 * we use will display those parts as-is.
1453 if (TheMessage->cm_format_type == FMT_RFC822) {
1454 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1455 memset(ma, 0, sizeof(struct ma_info));
1457 if (mode == MT_MIME) {
1458 strcpy(ma->chosen_part, "1");
1459 mime_parser(mptr, NULL,
1460 *choose_preferred, *fixed_output_pre,
1461 *fixed_output_post, NULL, 0);
1462 mime_parser(mptr, NULL,
1463 *output_preferred, NULL, NULL, NULL, 0);
1466 mime_parser(mptr, NULL,
1467 *fixed_output, *fixed_output_pre,
1468 *fixed_output_post, NULL, 0);
1472 DONE: /* now we're done */
1473 if (do_proto) cprintf("000\n");
1480 * display a message (mode 0 - Citadel proprietary)
1482 void cmd_msg0(char *cmdbuf)
1485 int headers_only = HEADERS_ALL;
1487 msgid = extract_long(cmdbuf, 0);
1488 headers_only = extract_int(cmdbuf, 1);
1490 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1496 * display a message (mode 2 - RFC822)
1498 void cmd_msg2(char *cmdbuf)
1501 int headers_only = HEADERS_ALL;
1503 msgid = extract_long(cmdbuf, 0);
1504 headers_only = extract_int(cmdbuf, 1);
1506 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1512 * display a message (mode 3 - IGnet raw format - internal programs only)
1514 void cmd_msg3(char *cmdbuf)
1517 struct CtdlMessage *msg;
1520 if (CC->internal_pgm == 0) {
1521 cprintf("%d This command is for internal programs only.\n",
1522 ERROR + HIGHER_ACCESS_REQUIRED);
1526 msgnum = extract_long(cmdbuf, 0);
1527 msg = CtdlFetchMessage(msgnum);
1529 cprintf("%d Message %ld not found.\n",
1530 ERROR + MESSAGE_NOT_FOUND, msgnum);
1534 serialize_message(&smr, msg);
1535 CtdlFreeMessage(msg);
1538 cprintf("%d Unable to serialize message\n",
1539 ERROR + INTERNAL_ERROR);
1543 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1544 client_write(smr.ser, smr.len);
1551 * Display a message using MIME content types
1553 void cmd_msg4(char *cmdbuf)
1557 msgid = extract_long(cmdbuf, 0);
1558 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1564 * Client tells us its preferred message format(s)
1566 void cmd_msgp(char *cmdbuf)
1568 safestrncpy(CC->preferred_formats, cmdbuf,
1569 sizeof(CC->preferred_formats));
1570 cprintf("%d ok\n", CIT_OK);
1575 * Open a component of a MIME message as a download file
1577 void cmd_opna(char *cmdbuf)
1581 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1583 msgid = extract_long(cmdbuf, 0);
1584 extract(desired_section, cmdbuf, 1);
1586 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1591 * Save a message pointer into a specified room
1592 * (Returns 0 for success, nonzero for failure)
1593 * roomname may be NULL to use the current room
1595 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1597 char hold_rm[ROOMNAMELEN];
1598 struct cdbdata *cdbfr;
1601 long highest_msg = 0L;
1602 struct CtdlMessage *msg = NULL;
1604 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1605 roomname, msgid, flags);
1607 strcpy(hold_rm, CC->room.QRname);
1609 /* We may need to check to see if this message is real */
1610 if ( (flags & SM_VERIFY_GOODNESS)
1611 || (flags & SM_DO_REPL_CHECK)
1613 msg = CtdlFetchMessage(msgid);
1614 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1617 /* Perform replication checks if necessary */
1618 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1620 if (getroom(&CC->room,
1621 ((roomname != NULL) ? roomname : CC->room.QRname) )
1623 lprintf(9, "No such room <%s>\n", roomname);
1624 if (msg != NULL) CtdlFreeMessage(msg);
1625 return(ERROR + ROOM_NOT_FOUND);
1628 if (ReplicationChecks(msg) != 0) {
1629 getroom(&CC->room, hold_rm);
1630 if (msg != NULL) CtdlFreeMessage(msg);
1631 lprintf(9, "Did replication, and newer exists\n");
1636 /* Now the regular stuff */
1637 if (lgetroom(&CC->room,
1638 ((roomname != NULL) ? roomname : CC->room.QRname) )
1640 lprintf(9, "No such room <%s>\n", roomname);
1641 if (msg != NULL) CtdlFreeMessage(msg);
1642 return(ERROR + ROOM_NOT_FOUND);
1645 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
1646 if (cdbfr == NULL) {
1650 msglist = mallok(cdbfr->len);
1651 if (msglist == NULL)
1652 lprintf(3, "ERROR malloc msglist!\n");
1653 num_msgs = cdbfr->len / sizeof(long);
1654 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1659 /* Make sure the message doesn't already exist in this room. It
1660 * is absolutely taboo to have more than one reference to the same
1661 * message in a room.
1663 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1664 if (msglist[i] == msgid) {
1665 lputroom(&CC->room); /* unlock the room */
1666 getroom(&CC->room, hold_rm);
1667 if (msg != NULL) CtdlFreeMessage(msg);
1668 return(ERROR + ALREADY_EXISTS);
1672 /* Now add the new message */
1674 msglist = reallok(msglist,
1675 (num_msgs * sizeof(long)));
1677 if (msglist == NULL) {
1678 lprintf(3, "ERROR: can't realloc message list!\n");
1680 msglist[num_msgs - 1] = msgid;
1682 /* Sort the message list, so all the msgid's are in order */
1683 num_msgs = sort_msglist(msglist, num_msgs);
1685 /* Determine the highest message number */
1686 highest_msg = msglist[num_msgs - 1];
1688 /* Write it back to disk. */
1689 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long),
1690 msglist, num_msgs * sizeof(long));
1692 /* Free up the memory we used. */
1695 /* Update the highest-message pointer and unlock the room. */
1696 CC->room.QRhighest = highest_msg;
1697 lputroom(&CC->room);
1698 getroom(&CC->room, hold_rm);
1700 /* Bump the reference count for this message. */
1701 if ((flags & SM_DONT_BUMP_REF)==0) {
1702 AdjRefCount(msgid, +1);
1705 /* Return success. */
1706 if (msg != NULL) CtdlFreeMessage(msg);
1713 * Message base operation to send a message to the master file
1714 * (returns new message number)
1716 * This is the back end for CtdlSubmitMsg() and should not be directly
1717 * called by server-side modules.
1720 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1721 FILE *save_a_copy) /* save a copy to disk? */
1728 /* Get a new message number */
1729 newmsgid = get_new_message_number();
1730 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1732 /* Generate an ID if we don't have one already */
1733 if (msg->cm_fields['I']==NULL) {
1734 msg->cm_fields['I'] = strdoop(msgidbuf);
1737 serialize_message(&smr, msg);
1740 cprintf("%d Unable to serialize message\n",
1741 ERROR + INTERNAL_ERROR);
1745 /* Write our little bundle of joy into the message base */
1746 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1747 smr.ser, smr.len) < 0) {
1748 lprintf(2, "Can't store message\n");
1754 /* If the caller specified that a copy should be saved to a particular
1755 * file handle, do that now too.
1757 if (save_a_copy != NULL) {
1758 fwrite(smr.ser, smr.len, 1, save_a_copy);
1761 /* Free the memory we used for the serialized message */
1764 /* Return the *local* message ID to the caller
1765 * (even if we're storing an incoming network message)
1773 * Serialize a struct CtdlMessage into the format used on disk and network.
1775 * This function loads up a "struct ser_ret" (defined in server.h) which
1776 * contains the length of the serialized message and a pointer to the
1777 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1779 void serialize_message(struct ser_ret *ret, /* return values */
1780 struct CtdlMessage *msg) /* unserialized msg */
1784 static char *forder = FORDER;
1786 if (is_valid_message(msg) == 0) return; /* self check */
1789 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1790 ret->len = ret->len +
1791 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1793 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1794 ret->ser = mallok(ret->len);
1795 if (ret->ser == NULL) {
1801 ret->ser[1] = msg->cm_anon_type;
1802 ret->ser[2] = msg->cm_format_type;
1805 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1806 ret->ser[wlen++] = (char)forder[i];
1807 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1808 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1810 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1811 (long)ret->len, (long)wlen);
1819 * Back end for the ReplicationChecks() function
1821 void check_repl(long msgnum, void *userdata) {
1822 struct CtdlMessage *msg;
1823 time_t timestamp = (-1L);
1825 lprintf(9, "check_repl() found message %ld\n", msgnum);
1826 msg = CtdlFetchMessage(msgnum);
1827 if (msg == NULL) return;
1828 if (msg->cm_fields['T'] != NULL) {
1829 timestamp = atol(msg->cm_fields['T']);
1831 CtdlFreeMessage(msg);
1833 if (timestamp > msg_repl->highest) {
1834 msg_repl->highest = timestamp; /* newer! */
1835 lprintf(9, "newer!\n");
1838 lprintf(9, "older!\n");
1840 /* Existing isn't newer? Then delete the old one(s). */
1841 CtdlDeleteMessages(CC->room.QRname, msgnum, "");
1846 * Check to see if any messages already exist which carry the same Extended ID
1850 * -> With older timestamps: delete them and return 0. Message will be saved.
1851 * -> With newer timestamps: return 1. Message save will be aborted.
1853 int ReplicationChecks(struct CtdlMessage *msg) {
1854 struct CtdlMessage *template;
1857 lprintf(9, "ReplicationChecks() started\n");
1858 /* No extended id? Don't do anything. */
1859 if (msg->cm_fields['E'] == NULL) return 0;
1860 if (strlen(msg->cm_fields['E']) == 0) return 0;
1861 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1863 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1864 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1865 msg_repl->highest = atol(msg->cm_fields['T']);
1867 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1868 memset(template, 0, sizeof(struct CtdlMessage));
1869 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1871 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1873 /* If a newer message exists with the same Extended ID, abort
1876 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1880 CtdlFreeMessage(template);
1881 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1889 * Save a message to disk and submit it into the delivery system.
1891 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1892 struct recptypes *recps, /* recipients (if mail) */
1893 char *force /* force a particular room? */
1896 char hold_rm[ROOMNAMELEN];
1897 char actual_rm[ROOMNAMELEN];
1898 char force_room[ROOMNAMELEN];
1899 char content_type[SIZ]; /* We have to learn this */
1900 char recipient[SIZ];
1903 struct ctdluser userbuf;
1905 struct MetaData smi;
1906 FILE *network_fp = NULL;
1907 static int seqnum = 1;
1908 struct CtdlMessage *imsg = NULL;
1911 char *hold_R, *hold_D;
1913 lprintf(9, "CtdlSubmitMsg() called\n");
1914 if (is_valid_message(msg) == 0) return(-1); /* self check */
1916 /* If this message has no timestamp, we take the liberty of
1917 * giving it one, right now.
1919 if (msg->cm_fields['T'] == NULL) {
1920 lprintf(9, "Generating timestamp\n");
1921 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1922 msg->cm_fields['T'] = strdoop(aaa);
1926 * If no Author, set it to ME ME ME
1928 if (msg->cm_fields['A'] == NULL) {
1929 msg->cm_fields['A'] = strdoop(CC->user.fullname);
1933 * If no Node, set it to the local node
1935 if (msg->cm_fields['N'] == NULL) {
1936 msg->cm_fields['N'] = strdoop(config.c_nodename);
1939 /* If this message has no path, we generate one.
1941 if (msg->cm_fields['P'] == NULL) {
1942 lprintf(9, "Generating path\n");
1943 if (msg->cm_fields['A'] != NULL) {
1944 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1945 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1946 if (isspace(msg->cm_fields['P'][a])) {
1947 msg->cm_fields['P'][a] = ' ';
1952 msg->cm_fields['P'] = strdoop("unknown");
1956 if (force == NULL) {
1957 strcpy(force_room, "");
1960 strcpy(force_room, force);
1963 /* Learn about what's inside, because it's what's inside that counts */
1964 lprintf(9, "Learning what's inside\n");
1965 if (msg->cm_fields['M'] == NULL) {
1966 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1970 switch (msg->cm_format_type) {
1972 strcpy(content_type, "text/x-citadel-variformat");
1975 strcpy(content_type, "text/plain");
1978 strcpy(content_type, "text/plain");
1979 /* advance past header fields */
1980 mptr = msg->cm_fields['M'];
1983 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1984 safestrncpy(content_type, mptr,
1985 sizeof(content_type));
1986 strcpy(content_type, &content_type[14]);
1987 for (a = 0; a < strlen(content_type); ++a)
1988 if ((content_type[a] == ';')
1989 || (content_type[a] == ' ')
1990 || (content_type[a] == 13)
1991 || (content_type[a] == 10))
1992 content_type[a] = 0;
1999 /* Goto the correct room */
2000 lprintf(9, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
2001 strcpy(hold_rm, CC->room.QRname);
2002 strcpy(actual_rm, CC->room.QRname);
2003 if (recps != NULL) {
2004 strcpy(actual_rm, SENTITEMS);
2007 /* If the user is a twit, move to the twit room for posting */
2008 lprintf(9, "Handling twit stuff: %s\n",
2009 (CC->user.axlevel == 2) ? config.c_twitroom : "OK");
2011 if (CC->user.axlevel == 2) {
2012 strcpy(hold_rm, actual_rm);
2013 strcpy(actual_rm, config.c_twitroom);
2017 /* ...or if this message is destined for Aide> then go there. */
2018 if (strlen(force_room) > 0) {
2019 strcpy(actual_rm, force_room);
2022 lprintf(9, "Final selection: %s\n", actual_rm);
2023 if (strcasecmp(actual_rm, CC->room.QRname)) {
2024 getroom(&CC->room, actual_rm);
2028 * If this message has no O (room) field, generate one.
2030 if (msg->cm_fields['O'] == NULL) {
2031 msg->cm_fields['O'] = strdoop(CC->room.QRname);
2034 /* Perform "before save" hooks (aborting if any return nonzero) */
2035 lprintf(9, "Performing before-save hooks\n");
2036 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
2038 /* If this message has an Extended ID, perform replication checks */
2039 lprintf(9, "Performing replication checks\n");
2040 if (ReplicationChecks(msg) > 0) return(-1);
2042 /* Save it to disk */
2043 lprintf(9, "Saving to disk\n");
2044 newmsgid = send_message(msg, NULL);
2045 if (newmsgid <= 0L) return(-1);
2047 /* Write a supplemental message info record. This doesn't have to
2048 * be a critical section because nobody else knows about this message
2051 lprintf(9, "Creating MetaData record\n");
2052 memset(&smi, 0, sizeof(struct MetaData));
2053 smi.meta_msgnum = newmsgid;
2054 smi.meta_refcount = 0;
2055 safestrncpy(smi.meta_content_type, content_type, 64);
2058 /* Now figure out where to store the pointers */
2059 lprintf(9, "Storing pointers\n");
2061 /* If this is being done by the networker delivering a private
2062 * message, we want to BYPASS saving the sender's copy (because there
2063 * is no local sender; it would otherwise go to the Trashcan).
2065 if ((!CC->internal_pgm) || (recps == NULL)) {
2066 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2067 lprintf(3, "ERROR saving message pointer!\n");
2068 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2072 /* For internet mail, drop a copy in the outbound queue room */
2074 if (recps->num_internet > 0) {
2075 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2078 /* If other rooms are specified, drop them there too. */
2080 if (recps->num_room > 0)
2081 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2082 extract(recipient, recps->recp_room, i);
2083 lprintf(9, "Delivering to local room <%s>\n", recipient);
2084 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2087 /* Bump this user's messages posted counter. */
2088 lprintf(9, "Updating user\n");
2089 lgetuser(&CC->user, CC->curr_user);
2090 CC->user.posted = CC->user.posted + 1;
2091 lputuser(&CC->user);
2093 /* If this is private, local mail, make a copy in the
2094 * recipient's mailbox and bump the reference count.
2097 if (recps->num_local > 0)
2098 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2099 extract(recipient, recps->recp_local, i);
2100 lprintf(9, "Delivering private local mail to <%s>\n",
2102 if (getuser(&userbuf, recipient) == 0) {
2103 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2104 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2105 BumpNewMailCounter(userbuf.usernum);
2108 lprintf(9, "No user <%s>\n", recipient);
2109 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2113 /* Perform "after save" hooks */
2114 lprintf(9, "Performing after-save hooks\n");
2115 PerformMessageHooks(msg, EVT_AFTERSAVE);
2117 /* For IGnet mail, we have to save a new copy into the spooler for
2118 * each recipient, with the R and D fields set to the recipient and
2119 * destination-node. This has two ugly side effects: all other
2120 * recipients end up being unlisted in this recipient's copy of the
2121 * message, and it has to deliver multiple messages to the same
2122 * node. We'll revisit this again in a year or so when everyone has
2123 * a network spool receiver that can handle the new style messages.
2126 if (recps->num_ignet > 0)
2127 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2128 extract(recipient, recps->recp_ignet, i);
2130 hold_R = msg->cm_fields['R'];
2131 hold_D = msg->cm_fields['D'];
2132 msg->cm_fields['R'] = mallok(SIZ);
2133 msg->cm_fields['D'] = mallok(SIZ);
2134 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2135 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2137 serialize_message(&smr, msg);
2139 snprintf(aaa, sizeof aaa,
2140 "./network/spoolin/netmail.%04lx.%04x.%04x",
2141 (long) getpid(), CC->cs_pid, ++seqnum);
2142 network_fp = fopen(aaa, "wb+");
2143 if (network_fp != NULL) {
2144 fwrite(smr.ser, smr.len, 1, network_fp);
2150 phree(msg->cm_fields['R']);
2151 phree(msg->cm_fields['D']);
2152 msg->cm_fields['R'] = hold_R;
2153 msg->cm_fields['D'] = hold_D;
2156 /* Go back to the room we started from */
2157 lprintf(9, "Returning to original room %s\n", hold_rm);
2158 if (strcasecmp(hold_rm, CC->room.QRname))
2159 getroom(&CC->room, hold_rm);
2161 /* For internet mail, generate delivery instructions.
2162 * Yes, this is recursive. Deal with it. Infinite recursion does
2163 * not happen because the delivery instructions message does not
2164 * contain a recipient.
2167 if (recps->num_internet > 0) {
2168 lprintf(9, "Generating delivery instructions\n");
2169 instr = mallok(SIZ * 2);
2170 snprintf(instr, SIZ * 2,
2171 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2173 SPOOLMIME, newmsgid, (long)time(NULL),
2174 msg->cm_fields['A'], msg->cm_fields['N']
2177 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2178 size_t tmp = strlen(instr);
2179 extract(recipient, recps->recp_internet, i);
2180 snprintf(&instr[tmp], SIZ * 2 - tmp,
2181 "remote|%s|0||\n", recipient);
2184 imsg = mallok(sizeof(struct CtdlMessage));
2185 memset(imsg, 0, sizeof(struct CtdlMessage));
2186 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2187 imsg->cm_anon_type = MES_NORMAL;
2188 imsg->cm_format_type = FMT_RFC822;
2189 imsg->cm_fields['A'] = strdoop("Citadel");
2190 imsg->cm_fields['M'] = instr;
2191 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2192 CtdlFreeMessage(imsg);
2201 * Convenience function for generating small administrative messages.
2203 void quickie_message(char *from, char *to, char *room, char *text,
2204 int format_type, char *subject)
2206 struct CtdlMessage *msg;
2207 struct recptypes *recp = NULL;
2209 msg = mallok(sizeof(struct CtdlMessage));
2210 memset(msg, 0, sizeof(struct CtdlMessage));
2211 msg->cm_magic = CTDLMESSAGE_MAGIC;
2212 msg->cm_anon_type = MES_NORMAL;
2213 msg->cm_format_type = format_type;
2214 msg->cm_fields['A'] = strdoop(from);
2215 if (room != NULL) msg->cm_fields['O'] = strdoop(room);
2216 msg->cm_fields['N'] = strdoop(NODENAME);
2218 msg->cm_fields['R'] = strdoop(to);
2219 recp = validate_recipients(to);
2221 if (subject != NULL) {
2222 msg->cm_fields['U'] = strdoop(subject);
2224 msg->cm_fields['M'] = strdoop(text);
2226 CtdlSubmitMsg(msg, recp, room);
2227 CtdlFreeMessage(msg);
2228 if (recp != NULL) phree(recp);
2234 * Back end function used by CtdlMakeMessage() and similar functions
2236 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2237 size_t maxlen, /* maximum message length */
2238 char *exist, /* if non-null, append to it;
2239 exist is ALWAYS freed */
2240 int crlf /* CRLF newlines instead of LF */
2244 size_t message_len = 0;
2245 size_t buffer_len = 0;
2251 if (exist == NULL) {
2258 message_len = strlen(exist);
2259 buffer_len = message_len + 4096;
2260 m = reallok(exist, buffer_len);
2267 /* flush the input if we have nowhere to store it */
2272 /* read in the lines of message text one by one */
2274 if (client_gets(buf) < 1) finished = 1;
2275 if (!strcmp(buf, terminator)) finished = 1;
2277 strcat(buf, "\r\n");
2283 if ( (!flushing) && (!finished) ) {
2284 /* Measure the line */
2285 linelen = strlen(buf);
2287 /* augment the buffer if we have to */
2288 if ((message_len + linelen) >= buffer_len) {
2289 ptr = reallok(m, (buffer_len * 2) );
2290 if (ptr == NULL) { /* flush if can't allocate */
2293 buffer_len = (buffer_len * 2);
2295 lprintf(9, "buffer_len is now %ld\n", (long)buffer_len);
2299 /* Add the new line to the buffer. NOTE: this loop must avoid
2300 * using functions like strcat() and strlen() because they
2301 * traverse the entire buffer upon every call, and doing that
2302 * for a multi-megabyte message slows it down beyond usability.
2304 strcpy(&m[message_len], buf);
2305 message_len += linelen;
2308 /* if we've hit the max msg length, flush the rest */
2309 if (message_len >= maxlen) flushing = 1;
2311 } while (!finished);
2319 * Build a binary message to be saved on disk.
2320 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2321 * will become part of the message. This means you are no longer
2322 * responsible for managing that memory -- it will be freed along with
2323 * the rest of the fields when CtdlFreeMessage() is called.)
2326 struct CtdlMessage *CtdlMakeMessage(
2327 struct ctdluser *author, /* author's user structure */
2328 char *recipient, /* NULL if it's not mail */
2329 char *room, /* room where it's going */
2330 int type, /* see MES_ types in header file */
2331 int format_type, /* variformat, plain text, MIME... */
2332 char *fake_name, /* who we're masquerading as */
2333 char *subject, /* Subject (optional) */
2334 char *preformatted_text /* ...or NULL to read text from client */
2336 char dest_node[SIZ];
2338 struct CtdlMessage *msg;
2340 msg = mallok(sizeof(struct CtdlMessage));
2341 memset(msg, 0, sizeof(struct CtdlMessage));
2342 msg->cm_magic = CTDLMESSAGE_MAGIC;
2343 msg->cm_anon_type = type;
2344 msg->cm_format_type = format_type;
2346 /* Don't confuse the poor folks if it's not routed mail. */
2347 strcpy(dest_node, "");
2351 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2352 msg->cm_fields['P'] = strdoop(buf);
2354 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2355 msg->cm_fields['T'] = strdoop(buf);
2357 if (fake_name[0]) /* author */
2358 msg->cm_fields['A'] = strdoop(fake_name);
2360 msg->cm_fields['A'] = strdoop(author->fullname);
2362 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2363 msg->cm_fields['O'] = strdoop(&CC->room.QRname[11]);
2366 msg->cm_fields['O'] = strdoop(CC->room.QRname);
2369 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2370 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2372 if (recipient[0] != 0) {
2373 msg->cm_fields['R'] = strdoop(recipient);
2375 if (dest_node[0] != 0) {
2376 msg->cm_fields['D'] = strdoop(dest_node);
2379 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2380 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2383 if (subject != NULL) {
2385 if (strlen(subject) > 0) {
2386 msg->cm_fields['U'] = strdoop(subject);
2390 if (preformatted_text != NULL) {
2391 msg->cm_fields['M'] = preformatted_text;
2394 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2395 config.c_maxmsglen, NULL, 0);
2403 * Check to see whether we have permission to post a message in the current
2404 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2405 * returns 0 on success.
2407 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2409 if (!(CC->logged_in)) {
2410 snprintf(errmsgbuf, n, "Not logged in.");
2411 return (ERROR + NOT_LOGGED_IN);
2414 if ((CC->user.axlevel < 2)
2415 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2416 snprintf(errmsgbuf, n, "Need to be validated to enter "
2417 "(except in %s> to sysop)", MAILROOM);
2418 return (ERROR + HIGHER_ACCESS_REQUIRED);
2421 if ((CC->user.axlevel < 4)
2422 && (CC->room.QRflags & QR_NETWORK)) {
2423 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2424 return (ERROR + HIGHER_ACCESS_REQUIRED);
2427 if ((CC->user.axlevel < 6)
2428 && (CC->room.QRflags & QR_READONLY)) {
2429 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2430 return (ERROR + HIGHER_ACCESS_REQUIRED);
2433 strcpy(errmsgbuf, "Ok");
2439 * Check to see if the specified user has Internet mail permission
2440 * (returns nonzero if permission is granted)
2442 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
2444 /* Globally enabled? */
2445 if (config.c_restrict == 0) return(1);
2447 /* User flagged ok? */
2448 if (who->flags & US_INTERNET) return(2);
2450 /* Aide level access? */
2451 if (who->axlevel >= 6) return(3);
2453 /* No mail for you! */
2460 * Validate recipients, count delivery types and errors, and handle aliasing
2461 * FIXME check for dupes!!!!!
2463 struct recptypes *validate_recipients(char *recipients) {
2464 struct recptypes *ret;
2465 char this_recp[SIZ];
2466 char this_recp_cooked[SIZ];
2472 struct ctdluser tempUS;
2473 struct ctdlroom tempQR;
2476 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2477 if (ret == NULL) return(NULL);
2478 memset(ret, 0, sizeof(struct recptypes));
2481 ret->num_internet = 0;
2486 if (recipients == NULL) {
2489 else if (strlen(recipients) == 0) {
2493 /* Change all valid separator characters to commas */
2494 for (i=0; i<strlen(recipients); ++i) {
2495 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2496 recipients[i] = ',';
2501 num_recps = num_tokens(recipients, ',');
2504 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2505 extract_token(this_recp, recipients, i, ',');
2507 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2508 mailtype = alias(this_recp);
2509 mailtype = alias(this_recp);
2510 mailtype = alias(this_recp);
2511 for (j=0; j<=strlen(this_recp); ++j) {
2512 if (this_recp[j]=='_') {
2513 this_recp_cooked[j] = ' ';
2516 this_recp_cooked[j] = this_recp[j];
2522 if (!strcasecmp(this_recp, "sysop")) {
2524 strcpy(this_recp, config.c_aideroom);
2525 if (strlen(ret->recp_room) > 0) {
2526 strcat(ret->recp_room, "|");
2528 strcat(ret->recp_room, this_recp);
2530 else if (getuser(&tempUS, this_recp) == 0) {
2532 strcpy(this_recp, tempUS.fullname);
2533 if (strlen(ret->recp_local) > 0) {
2534 strcat(ret->recp_local, "|");
2536 strcat(ret->recp_local, this_recp);
2538 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2540 strcpy(this_recp, tempUS.fullname);
2541 if (strlen(ret->recp_local) > 0) {
2542 strcat(ret->recp_local, "|");
2544 strcat(ret->recp_local, this_recp);
2546 else if ( (!strncasecmp(this_recp, "room_", 5))
2547 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2549 if (strlen(ret->recp_room) > 0) {
2550 strcat(ret->recp_room, "|");
2552 strcat(ret->recp_room, &this_recp_cooked[5]);
2560 /* Yes, you're reading this correctly: if the target
2561 * domain points back to the local system or an attached
2562 * Citadel directory, the address is invalid. That's
2563 * because if the address were valid, we would have
2564 * already translated it to a local address by now.
2566 if (IsDirectory(this_recp)) {
2571 ++ret->num_internet;
2572 if (strlen(ret->recp_internet) > 0) {
2573 strcat(ret->recp_internet, "|");
2575 strcat(ret->recp_internet, this_recp);
2580 if (strlen(ret->recp_ignet) > 0) {
2581 strcat(ret->recp_ignet, "|");
2583 strcat(ret->recp_ignet, this_recp);
2591 if (strlen(ret->errormsg) == 0) {
2592 snprintf(append, sizeof append,
2593 "Invalid recipient: %s",
2597 snprintf(append, sizeof append,
2600 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2601 strcat(ret->errormsg, append);
2605 if (strlen(ret->display_recp) == 0) {
2606 strcpy(append, this_recp);
2609 snprintf(append, sizeof append, ", %s",
2612 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2613 strcat(ret->display_recp, append);
2618 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2619 ret->num_room + ret->num_error) == 0) {
2621 strcpy(ret->errormsg, "No recipients specified.");
2624 lprintf(9, "validate_recipients()\n");
2625 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2626 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2627 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2628 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2629 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2637 * message entry - mode 0 (normal)
2639 void cmd_ent0(char *entargs)
2643 char masquerade_as[SIZ];
2645 int format_type = 0;
2646 char newusername[SIZ];
2647 struct CtdlMessage *msg;
2651 struct recptypes *valid = NULL;
2654 post = extract_int(entargs, 0);
2655 extract(recp, entargs, 1);
2656 anon_flag = extract_int(entargs, 2);
2657 format_type = extract_int(entargs, 3);
2658 extract(subject, entargs, 4);
2660 /* first check to make sure the request is valid. */
2662 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2664 cprintf("%d %s\n", err, errmsg);
2668 /* Check some other permission type things. */
2671 if (CC->user.axlevel < 6) {
2672 cprintf("%d You don't have permission to masquerade.\n",
2673 ERROR + HIGHER_ACCESS_REQUIRED);
2676 extract(newusername, entargs, 5);
2677 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2678 safestrncpy(CC->fake_postname, newusername,
2679 sizeof(CC->fake_postname) );
2680 cprintf("%d ok\n", CIT_OK);
2683 CC->cs_flags |= CS_POSTING;
2685 /* In the Mail> room we have to behave a little differently --
2686 * make sure the user has specified at least one recipient. Then
2687 * validate the recipient(s).
2689 if ( (CC->room.QRflags & QR_MAILBOX)
2690 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
2692 if (CC->user.axlevel < 2) {
2693 strcpy(recp, "sysop");
2696 valid = validate_recipients(recp);
2697 if (valid->num_error > 0) {
2699 ERROR + NO_SUCH_USER, valid->errormsg);
2703 if (valid->num_internet > 0) {
2704 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
2705 cprintf("%d You do not have permission "
2706 "to send Internet mail.\n",
2707 ERROR + HIGHER_ACCESS_REQUIRED);
2713 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2714 && (CC->user.axlevel < 4) ) {
2715 cprintf("%d Higher access required for network mail.\n",
2716 ERROR + HIGHER_ACCESS_REQUIRED);
2721 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2722 && ((CC->user.flags & US_INTERNET) == 0)
2723 && (!CC->internal_pgm)) {
2724 cprintf("%d You don't have access to Internet mail.\n",
2725 ERROR + HIGHER_ACCESS_REQUIRED);
2732 /* Is this a room which has anonymous-only or anonymous-option? */
2733 anonymous = MES_NORMAL;
2734 if (CC->room.QRflags & QR_ANONONLY) {
2735 anonymous = MES_ANONONLY;
2737 if (CC->room.QRflags & QR_ANONOPT) {
2738 if (anon_flag == 1) { /* only if the user requested it */
2739 anonymous = MES_ANONOPT;
2743 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
2747 /* If we're only checking the validity of the request, return
2748 * success without creating the message.
2751 cprintf("%d %s\n", CIT_OK,
2752 ((valid != NULL) ? valid->display_recp : "") );
2757 /* Handle author masquerading */
2758 if (CC->fake_postname[0]) {
2759 strcpy(masquerade_as, CC->fake_postname);
2761 else if (CC->fake_username[0]) {
2762 strcpy(masquerade_as, CC->fake_username);
2765 strcpy(masquerade_as, "");
2768 /* Read in the message from the client. */
2769 cprintf("%d send message\n", SEND_LISTING);
2770 msg = CtdlMakeMessage(&CC->user, recp,
2771 CC->room.QRname, anonymous, format_type,
2772 masquerade_as, subject, NULL);
2775 CtdlSubmitMsg(msg, valid, "");
2776 CtdlFreeMessage(msg);
2778 CC->fake_postname[0] = '\0';
2786 * API function to delete messages which match a set of criteria
2787 * (returns the actual number of messages deleted)
2789 int CtdlDeleteMessages(char *room_name, /* which room */
2790 long dmsgnum, /* or "0" for any */
2791 char *content_type /* or "" for any */
2795 struct ctdlroom qrbuf;
2796 struct cdbdata *cdbfr;
2797 long *msglist = NULL;
2798 long *dellist = NULL;
2801 int num_deleted = 0;
2803 struct MetaData smi;
2805 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2806 room_name, dmsgnum, content_type);
2808 /* get room record, obtaining a lock... */
2809 if (lgetroom(&qrbuf, room_name) != 0) {
2810 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2812 return (0); /* room not found */
2814 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2816 if (cdbfr != NULL) {
2817 msglist = mallok(cdbfr->len);
2818 dellist = mallok(cdbfr->len);
2819 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2820 num_msgs = cdbfr->len / sizeof(long);
2824 for (i = 0; i < num_msgs; ++i) {
2827 /* Set/clear a bit for each criterion */
2829 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2830 delete_this |= 0x01;
2832 if (strlen(content_type) == 0) {
2833 delete_this |= 0x02;
2835 GetMetaData(&smi, msglist[i]);
2836 if (!strcasecmp(smi.meta_content_type,
2838 delete_this |= 0x02;
2842 /* Delete message only if all bits are set */
2843 if (delete_this == 0x03) {
2844 dellist[num_deleted++] = msglist[i];
2849 num_msgs = sort_msglist(msglist, num_msgs);
2850 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2851 msglist, (num_msgs * sizeof(long)));
2853 qrbuf.QRhighest = msglist[num_msgs - 1];
2857 /* Go through the messages we pulled out of the index, and decrement
2858 * their reference counts by 1. If this is the only room the message
2859 * was in, the reference count will reach zero and the message will
2860 * automatically be deleted from the database. We do this in a
2861 * separate pass because there might be plug-in hooks getting called,
2862 * and we don't want that happening during an S_ROOMS critical
2865 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2866 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2867 AdjRefCount(dellist[i], -1);
2870 /* Now free the memory we used, and go away. */
2871 if (msglist != NULL) phree(msglist);
2872 if (dellist != NULL) phree(dellist);
2873 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2874 return (num_deleted);
2880 * Check whether the current user has permission to delete messages from
2881 * the current room (returns 1 for yes, 0 for no)
2883 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2884 getuser(&CC->user, CC->curr_user);
2885 if ((CC->user.axlevel < 6)
2886 && (CC->user.usernum != CC->room.QRroomaide)
2887 && ((CC->room.QRflags & QR_MAILBOX) == 0)
2888 && (!(CC->internal_pgm))) {
2897 * Delete message from current room
2899 void cmd_dele(char *delstr)
2904 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2905 cprintf("%d Higher access required.\n",
2906 ERROR + HIGHER_ACCESS_REQUIRED);
2909 delnum = extract_long(delstr, 0);
2911 num_deleted = CtdlDeleteMessages(CC->room.QRname, delnum, "");
2914 cprintf("%d %d message%s deleted.\n", CIT_OK,
2915 num_deleted, ((num_deleted != 1) ? "s" : ""));
2917 cprintf("%d Message %ld not found.\n", ERROR + MESSAGE_NOT_FOUND, delnum);
2923 * Back end API function for moves and deletes
2925 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2928 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2929 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2930 if (err != 0) return(err);
2938 * move or copy a message to another room
2940 void cmd_move(char *args)
2944 struct ctdlroom qtemp;
2948 num = extract_long(args, 0);
2949 extract(targ, args, 1);
2950 targ[ROOMNAMELEN - 1] = 0;
2951 is_copy = extract_int(args, 2);
2953 if (getroom(&qtemp, targ) != 0) {
2954 cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, targ);
2958 getuser(&CC->user, CC->curr_user);
2959 /* Aides can move/copy */
2960 if ((CC->user.axlevel < 6)
2961 /* Roomaides can move/copy */
2962 && (CC->user.usernum != CC->room.QRroomaide)
2963 /* Permit move/copy to/from personal rooms */
2964 && (!((CC->room.QRflags & QR_MAILBOX)
2965 && (qtemp.QRflags & QR_MAILBOX)))
2966 /* Permit only copy from public to personal room */
2967 && (!(is_copy && !(CC->room.QRflags & QR_MAILBOX)
2968 && (qtemp.QRflags & QR_MAILBOX)))) {
2969 cprintf("%d Higher access required.\n",
2970 ERROR + HIGHER_ACCESS_REQUIRED);
2974 err = CtdlCopyMsgToRoom(num, targ);
2976 cprintf("%d Cannot store message in %s: error %d\n",
2981 /* Now delete the message from the source room,
2982 * if this is a 'move' rather than a 'copy' operation.
2985 CtdlDeleteMessages(CC->room.QRname, num, "");
2988 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2994 * GetMetaData() - Get the supplementary record for a message
2996 void GetMetaData(struct MetaData *smibuf, long msgnum)
2999 struct cdbdata *cdbsmi;
3002 memset(smibuf, 0, sizeof(struct MetaData));
3003 smibuf->meta_msgnum = msgnum;
3004 smibuf->meta_refcount = 1; /* Default reference count is 1 */
3006 /* Use the negative of the message number for its supp record index */
3007 TheIndex = (0L - msgnum);
3009 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
3010 if (cdbsmi == NULL) {
3011 return; /* record not found; go with defaults */
3013 memcpy(smibuf, cdbsmi->ptr,
3014 ((cdbsmi->len > sizeof(struct MetaData)) ?
3015 sizeof(struct MetaData) : cdbsmi->len));
3022 * PutMetaData() - (re)write supplementary record for a message
3024 void PutMetaData(struct MetaData *smibuf)
3028 /* Use the negative of the message number for the metadata db index */
3029 TheIndex = (0L - smibuf->meta_msgnum);
3031 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
3032 smibuf->meta_msgnum, smibuf->meta_refcount);
3034 cdb_store(CDB_MSGMAIN,
3035 &TheIndex, sizeof(long),
3036 smibuf, sizeof(struct MetaData));
3041 * AdjRefCount - change the reference count for a message;
3042 * delete the message if it reaches zero
3044 void AdjRefCount(long msgnum, int incr)
3047 struct MetaData smi;
3050 /* This is a *tight* critical section; please keep it that way, as
3051 * it may get called while nested in other critical sections.
3052 * Complicating this any further will surely cause deadlock!
3054 begin_critical_section(S_SUPPMSGMAIN);
3055 GetMetaData(&smi, msgnum);
3056 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
3057 msgnum, smi.meta_refcount);
3058 smi.meta_refcount += incr;
3060 end_critical_section(S_SUPPMSGMAIN);
3061 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
3062 msgnum, smi.meta_refcount);
3064 /* If the reference count is now zero, delete the message
3065 * (and its supplementary record as well).
3067 if (smi.meta_refcount == 0) {
3068 lprintf(9, "Deleting message <%ld>\n", msgnum);
3070 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3072 /* We have to delete the metadata record too! */
3073 delnum = (0L - msgnum);
3074 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3079 * Write a generic object to this room
3081 * Note: this could be much more efficient. Right now we use two temporary
3082 * files, and still pull the message into memory as with all others.
3084 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3085 char *content_type, /* MIME type of this object */
3086 char *tempfilename, /* Where to fetch it from */
3087 struct ctdluser *is_mailbox, /* Mailbox room? */
3088 int is_binary, /* Is encoding necessary? */
3089 int is_unique, /* Del others of this type? */
3090 unsigned int flags /* Internal save flags */
3095 struct ctdlroom qrbuf;
3096 char roomname[ROOMNAMELEN];
3097 struct CtdlMessage *msg;
3099 char *raw_message = NULL;
3100 char *encoded_message = NULL;
3101 off_t raw_length = 0;
3103 if (is_mailbox != NULL)
3104 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3106 safestrncpy(roomname, req_room, sizeof(roomname));
3107 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3110 fp = fopen(tempfilename, "rb");
3112 lprintf(5, "Cannot open %s: %s\n",
3113 tempfilename, strerror(errno));
3116 fseek(fp, 0L, SEEK_END);
3117 raw_length = ftell(fp);
3119 lprintf(9, "Raw length is %ld\n", (long)raw_length);
3121 raw_message = mallok((size_t)raw_length + 2);
3122 fread(raw_message, (size_t)raw_length, 1, fp);
3126 encoded_message = mallok((size_t)
3127 (((raw_length * 134) / 100) + 4096 ) );
3130 encoded_message = mallok((size_t)(raw_length + 4096));
3133 sprintf(encoded_message, "Content-type: %s\n", content_type);
3136 sprintf(&encoded_message[strlen(encoded_message)],
3137 "Content-transfer-encoding: base64\n\n"
3141 sprintf(&encoded_message[strlen(encoded_message)],
3142 "Content-transfer-encoding: 7bit\n\n"
3148 &encoded_message[strlen(encoded_message)],
3154 raw_message[raw_length] = 0;
3156 &encoded_message[strlen(encoded_message)],
3164 lprintf(9, "Allocating\n");
3165 msg = mallok(sizeof(struct CtdlMessage));
3166 memset(msg, 0, sizeof(struct CtdlMessage));
3167 msg->cm_magic = CTDLMESSAGE_MAGIC;
3168 msg->cm_anon_type = MES_NORMAL;
3169 msg->cm_format_type = 4;
3170 msg->cm_fields['A'] = strdoop(CC->user.fullname);
3171 msg->cm_fields['O'] = strdoop(req_room);
3172 msg->cm_fields['N'] = strdoop(config.c_nodename);
3173 msg->cm_fields['H'] = strdoop(config.c_humannode);
3174 msg->cm_flags = flags;
3176 msg->cm_fields['M'] = encoded_message;
3178 /* Create the requested room if we have to. */
3179 if (getroom(&qrbuf, roomname) != 0) {
3180 create_room(roomname,
3181 ( (is_mailbox != NULL) ? 5 : 3 ),
3184 /* If the caller specified this object as unique, delete all
3185 * other objects of this type that are currently in the room.
3188 lprintf(9, "Deleted %d other msgs of this type\n",
3189 CtdlDeleteMessages(roomname, 0L, content_type));
3191 /* Now write the data */
3192 CtdlSubmitMsg(msg, NULL, roomname);
3193 CtdlFreeMessage(msg);
3201 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3202 config_msgnum = msgnum;
3206 char *CtdlGetSysConfig(char *sysconfname) {
3207 char hold_rm[ROOMNAMELEN];
3210 struct CtdlMessage *msg;
3213 strcpy(hold_rm, CC->room.QRname);
3214 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
3215 getroom(&CC->room, hold_rm);
3220 /* We want the last (and probably only) config in this room */
3221 begin_critical_section(S_CONFIG);
3222 config_msgnum = (-1L);
3223 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3224 CtdlGetSysConfigBackend, NULL);
3225 msgnum = config_msgnum;
3226 end_critical_section(S_CONFIG);
3232 msg = CtdlFetchMessage(msgnum);
3234 conf = strdoop(msg->cm_fields['M']);
3235 CtdlFreeMessage(msg);
3242 getroom(&CC->room, hold_rm);
3244 if (conf != NULL) do {
3245 extract_token(buf, conf, 0, '\n');
3246 strcpy(conf, &conf[strlen(buf)+1]);
3247 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3252 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3253 char temp[PATH_MAX];
3256 strcpy(temp, tmpnam(NULL));
3258 fp = fopen(temp, "w");
3259 if (fp == NULL) return;
3260 fprintf(fp, "%s", sysconfdata);
3263 /* this handy API function does all the work for us */
3264 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3270 * Determine whether a given Internet address belongs to the current user
3272 int CtdlIsMe(char *addr) {
3273 struct recptypes *recp;
3276 recp = validate_recipients(addr);
3277 if (recp == NULL) return(0);
3279 if (recp->num_local == 0) {
3284 for (i=0; i<recp->num_local; ++i) {
3285 extract(addr, recp->recp_local, i);
3286 if (!strcasecmp(addr, CC->user.fullname)) {
3298 * Citadel protocol command to do the same
3300 void cmd_isme(char *argbuf) {
3303 if (CtdlAccessCheck(ac_logged_in)) return;
3304 extract(addr, argbuf, 0);
3306 if (CtdlIsMe(addr)) {
3307 cprintf("%d %s\n", CIT_OK, addr);
3310 cprintf("%d Not you.\n", ERROR + ILLEGAL_VALUE);