4 * Implements the message store.
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
39 #include "serv_extensions.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);
607 help_subst(buffer, "^bbsdir", BBSDIR);
613 * memfmout() - Citadel text formatter and paginator.
614 * Although the original purpose of this routine was to format
615 * text to the reader's screen width, all we're really using it
616 * for here is to format text out to 80 columns before sending it
617 * to the client. The client software may reformat it again.
620 int width, /* screen width to use */
621 char *mptr, /* where are we going to get our text from? */
622 char subst, /* nonzero if we should do substitutions */
623 char *nl) /* string to terminate lines with */
635 c = 1; /* c is the current pos */
639 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
641 buffer[strlen(buffer) + 1] = 0;
642 buffer[strlen(buffer)] = ch;
645 if (buffer[0] == '^')
646 do_help_subst(buffer);
648 buffer[strlen(buffer) + 1] = 0;
650 strcpy(buffer, &buffer[1]);
658 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
660 if (((old == 13) || (old == 10)) && (isspace(real))) {
668 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
669 cprintf("%s%s", nl, aaa);
678 if ((strlen(aaa) + c) > (width - 5)) {
687 if ((ch == 13) || (ch == 10)) {
688 cprintf("%s%s", aaa, nl);
695 cprintf("%s%s", aaa, nl);
701 * Callback function for mime parser that simply lists the part
703 void list_this_part(char *name, char *filename, char *partnum, char *disp,
704 void *content, char *cbtype, size_t length, char *encoding,
708 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
709 name, filename, partnum, disp, cbtype, (long)length);
713 * Callback function for multipart prefix
715 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
716 void *content, char *cbtype, size_t length, char *encoding,
719 cprintf("pref=%s|%s\n", partnum, cbtype);
723 * Callback function for multipart sufffix
725 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
726 void *content, char *cbtype, size_t length, char *encoding,
729 cprintf("suff=%s|%s\n", partnum, cbtype);
734 * Callback function for mime parser that opens a section for downloading
736 void mime_download(char *name, char *filename, char *partnum, char *disp,
737 void *content, char *cbtype, size_t length, char *encoding,
741 /* Silently go away if there's already a download open... */
742 if (CC->download_fp != NULL)
745 /* ...or if this is not the desired section */
746 if (strcasecmp(desired_section, partnum))
749 CC->download_fp = tmpfile();
750 if (CC->download_fp == NULL)
753 fwrite(content, length, 1, CC->download_fp);
754 fflush(CC->download_fp);
755 rewind(CC->download_fp);
757 OpenCmdResult(filename, cbtype);
763 * Load a message from disk into memory.
764 * This is used by CtdlOutputMsg() and other fetch functions.
766 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
767 * using the CtdlMessageFree() function.
769 struct CtdlMessage *CtdlFetchMessage(long msgnum)
771 struct cdbdata *dmsgtext;
772 struct CtdlMessage *ret = NULL;
775 cit_uint8_t field_header;
778 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
779 if (dmsgtext == NULL) {
782 mptr = dmsgtext->ptr;
784 /* Parse the three bytes that begin EVERY message on disk.
785 * The first is always 0xFF, the on-disk magic number.
786 * The second is the anonymous/public type byte.
787 * The third is the format type byte (vari, fixed, or MIME).
791 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
795 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
796 memset(ret, 0, sizeof(struct CtdlMessage));
798 ret->cm_magic = CTDLMESSAGE_MAGIC;
799 ret->cm_anon_type = *mptr++; /* Anon type byte */
800 ret->cm_format_type = *mptr++; /* Format type byte */
803 * The rest is zero or more arbitrary fields. Load them in.
804 * We're done when we encounter either a zero-length field or
805 * have just processed the 'M' (message text) field.
808 field_length = strlen(mptr);
809 if (field_length == 0)
811 field_header = *mptr++;
812 ret->cm_fields[field_header] = mallok(field_length);
813 strcpy(ret->cm_fields[field_header], mptr);
815 while (*mptr++ != 0); /* advance to next field */
817 } while ((field_length > 0) && (field_header != 'M'));
821 /* Always make sure there's something in the msg text field */
822 if (ret->cm_fields['M'] == NULL)
823 ret->cm_fields['M'] = strdoop("<no text>\n");
825 /* Perform "before read" hooks (aborting if any return nonzero) */
826 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
827 CtdlFreeMessage(ret);
836 * Returns 1 if the supplied pointer points to a valid Citadel message.
837 * If the pointer is NULL or the magic number check fails, returns 0.
839 int is_valid_message(struct CtdlMessage *msg) {
842 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
843 lprintf(3, "is_valid_message() -- self-check failed\n");
851 * 'Destructor' for struct CtdlMessage
853 void CtdlFreeMessage(struct CtdlMessage *msg)
857 if (is_valid_message(msg) == 0) return;
859 for (i = 0; i < 256; ++i)
860 if (msg->cm_fields[i] != NULL) {
861 phree(msg->cm_fields[i]);
864 msg->cm_magic = 0; /* just in case */
870 * Pre callback function for multipart/alternative
872 * NOTE: this differs from the standard behavior for a reason. Normally when
873 * displaying multipart/alternative you want to show the _last_ usable
874 * format in the message. Here we show the _first_ one, because it's
875 * usually text/plain. Since this set of functions is designed for text
876 * output to non-MIME-aware clients, this is the desired behavior.
879 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
880 void *content, char *cbtype, size_t length, char *encoding,
883 lprintf(9, "fixed_output_pre() type=<%s>\n", cbtype);
884 if (!strcasecmp(cbtype, "multipart/alternative")) {
892 * Post callback function for multipart/alternative
894 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
895 void *content, char *cbtype, size_t length, char *encoding,
898 lprintf(9, "fixed_output_post() type=<%s>\n", cbtype);
899 if (!strcasecmp(cbtype, "multipart/alternative")) {
907 * Inline callback function for mime parser that wants to display text
909 void fixed_output(char *name, char *filename, char *partnum, char *disp,
910 void *content, char *cbtype, size_t length, char *encoding,
917 lprintf(9, "fixed_output() type=<%s>\n", cbtype);
920 * If we're in the middle of a multipart/alternative scope and
921 * we've already printed another section, skip this one.
923 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
924 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
929 if ( (!strcasecmp(cbtype, "text/plain"))
930 || (strlen(cbtype)==0) ) {
933 client_write(wptr, length);
934 if (wptr[length-1] != '\n') {
939 else if (!strcasecmp(cbtype, "text/html")) {
940 ptr = html_to_ascii(content, 80, 0);
942 client_write(ptr, wlen);
943 if (ptr[wlen-1] != '\n') {
948 else if (strncasecmp(cbtype, "multipart/", 10)) {
949 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
950 partnum, filename, cbtype, (long)length);
955 * The client is elegant and sophisticated and wants to be choosy about
956 * MIME content types, so figure out which multipart/alternative part
957 * we're going to send.
959 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
960 void *content, char *cbtype, size_t length, char *encoding,
967 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
968 extract(buf, CC->preferred_formats, i);
969 if (!strcasecmp(buf, cbtype)) {
970 strcpy(ma->chosen_part, partnum);
977 * Now that we've chosen our preferred part, output it.
979 void output_preferred(char *name, char *filename, char *partnum, char *disp,
980 void *content, char *cbtype, size_t length, char *encoding,
988 /* This is not the MIME part you're looking for... */
989 if (strcasecmp(partnum, ma->chosen_part)) return;
991 /* If the content-type of this part is in our preferred formats
992 * list, we can simply output it verbatim.
994 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
995 extract(buf, CC->preferred_formats, i);
996 if (!strcasecmp(buf, cbtype)) {
997 /* Yeah! Go! W00t!! */
999 text_content = (char *)content;
1000 if (text_content[length-1] != '\n') {
1004 cprintf("Content-type: %s\n", cbtype);
1005 cprintf("Content-length: %d\n",
1006 (int)(length + add_newline) );
1007 cprintf("Content-transfer-encoding: %s\n", encoding);
1009 client_write(content, length);
1010 if (add_newline) cprintf("\n");
1015 /* No translations required or possible: output as text/plain */
1016 cprintf("Content-type: text/plain\n\n");
1017 fixed_output(name, filename, partnum, disp, content, cbtype,
1018 length, encoding, cbuserdata);
1023 * Get a message off disk. (returns om_* values found in msgbase.h)
1026 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1027 int mode, /* how would you like that message? */
1028 int headers_only, /* eschew the message body? */
1029 int do_proto, /* do Citadel protocol responses? */
1030 int crlf /* Use CRLF newlines instead of LF? */
1032 struct CtdlMessage *TheMessage;
1035 lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
1040 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1041 if (do_proto) cprintf("%d Not logged in.\n",
1042 ERROR + NOT_LOGGED_IN);
1043 return(om_not_logged_in);
1046 /* FIXME ... small security issue
1047 * We need to check to make sure the requested message is actually
1048 * in the current room, and set msg_ok to 1 only if it is. This
1049 * functionality is currently missing because I'm in a hurry to replace
1050 * broken production code with nonbroken pre-beta code. :( -- ajc
1053 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
1055 return(om_no_such_msg);
1060 * Fetch the message from disk.
1062 TheMessage = CtdlFetchMessage(msg_num);
1064 if (TheMessage == NULL) {
1065 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1067 return(om_no_such_msg);
1070 retcode = CtdlOutputPreLoadedMsg(
1071 TheMessage, msg_num, mode,
1072 headers_only, do_proto, crlf);
1074 CtdlFreeMessage(TheMessage);
1081 * Get a message off disk. (returns om_* values found in msgbase.h)
1084 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
1086 int mode, /* how would you like that message? */
1087 int headers_only, /* eschew the message body? */
1088 int do_proto, /* do Citadel protocol responses? */
1089 int crlf /* Use CRLF newlines instead of LF? */
1095 char display_name[SIZ];
1097 char *nl; /* newline string */
1100 /* buffers needed for RFC822 translation */
1107 char datestamp[SIZ];
1110 snprintf(mid, sizeof mid, "%ld", msg_num);
1111 nl = (crlf ? "\r\n" : "\n");
1113 if (!is_valid_message(TheMessage)) {
1114 lprintf(1, "ERROR: invalid preloaded message for output\n");
1115 return(om_no_such_msg);
1118 /* Are we downloading a MIME component? */
1119 if (mode == MT_DOWNLOAD) {
1120 if (TheMessage->cm_format_type != FMT_RFC822) {
1122 cprintf("%d This is not a MIME message.\n",
1124 } else if (CC->download_fp != NULL) {
1125 if (do_proto) cprintf(
1126 "%d You already have a download open.\n",
1129 /* Parse the message text component */
1130 mptr = TheMessage->cm_fields['M'];
1131 mime_parser(mptr, NULL,
1132 *mime_download, NULL, NULL,
1134 /* If there's no file open by this time, the requested
1135 * section wasn't found, so print an error
1137 if (CC->download_fp == NULL) {
1138 if (do_proto) cprintf(
1139 "%d Section %s not found.\n",
1140 ERROR + FILE_NOT_FOUND,
1144 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1147 /* Does the caller want to skip the headers? */
1148 if (headers_only == HEADERS_NONE) goto START_TEXT;
1150 /* now for the user-mode message reading loops */
1151 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1153 /* Tell the client which format type we're using. */
1154 if ( (mode == MT_CITADEL) && (do_proto) ) {
1155 cprintf("type=%d\n", TheMessage->cm_format_type);
1158 /* nhdr=yes means that we're only displaying headers, no body */
1159 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1160 && (mode == MT_CITADEL)
1163 cprintf("nhdr=yes\n");
1166 /* begin header processing loop for Citadel message format */
1168 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1170 strcpy(display_name, "<unknown>");
1171 if (TheMessage->cm_fields['A']) {
1172 strcpy(buf, TheMessage->cm_fields['A']);
1173 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1174 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1175 strcpy(display_name, "****");
1177 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1178 strcpy(display_name, "anonymous");
1181 strcpy(display_name, buf);
1183 if ((is_room_aide())
1184 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1185 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1186 size_t tmp = strlen(display_name);
1187 snprintf(&display_name[tmp],
1188 sizeof display_name - tmp,
1193 /* Don't show Internet address for users on the
1194 * local Citadel network.
1197 if (TheMessage->cm_fields['N'] != NULL)
1198 if (strlen(TheMessage->cm_fields['N']) > 0)
1199 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1203 /* Now spew the header fields in the order we like them. */
1204 strcpy(allkeys, FORDER);
1205 for (i=0; i<strlen(allkeys); ++i) {
1206 k = (int) allkeys[i];
1208 if ( (TheMessage->cm_fields[k] != NULL)
1209 && (msgkeys[k] != NULL) ) {
1211 if (do_proto) cprintf("%s=%s\n",
1215 else if ((k == 'F') && (suppress_f)) {
1218 /* Masquerade display name if needed */
1220 if (do_proto) cprintf("%s=%s\n",
1222 TheMessage->cm_fields[k]
1231 /* begin header processing loop for RFC822 transfer format */
1236 strcpy(snode, NODENAME);
1237 strcpy(lnode, HUMANNODE);
1238 if (mode == MT_RFC822) {
1239 cprintf("X-UIDL: %ld%s", msg_num, nl);
1240 for (i = 0; i < 256; ++i) {
1241 if (TheMessage->cm_fields[i]) {
1242 mptr = TheMessage->cm_fields[i];
1245 strcpy(luser, mptr);
1246 strcpy(suser, mptr);
1249 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1250 into thinking that mail messages are newsgroup messages instead. When we
1251 add NNTP support back into Citadel we'll have to add code to only output
1252 this field when appropriate.
1253 else if (i == 'P') {
1254 cprintf("Path: %s%s", mptr, nl);
1258 cprintf("Subject: %s%s", mptr, nl);
1260 safestrncpy(mid, mptr, sizeof mid);
1262 safestrncpy(lnode, mptr, sizeof lnode);
1264 safestrncpy(fuser, mptr, sizeof fuser);
1266 cprintf("X-Citadel-Room: %s%s",
1269 safestrncpy(snode, mptr, sizeof snode);
1271 cprintf("To: %s%s", mptr, nl);
1272 else if (i == 'T') {
1273 datestring(datestamp, sizeof datestamp,
1274 atol(mptr), DATESTRING_RFC822);
1275 cprintf("Date: %s%s", datestamp, nl);
1281 for (i=0; i<strlen(suser); ++i) {
1282 suser[i] = tolower(suser[i]);
1283 if (!isalnum(suser[i])) suser[i]='_';
1286 if (mode == MT_RFC822) {
1287 if (!strcasecmp(snode, NODENAME)) {
1288 strcpy(snode, FQDN);
1291 /* Construct a fun message id */
1292 cprintf("Message-ID: <%s", mid);
1293 if (strchr(mid, '@')==NULL) {
1294 cprintf("@%s", snode);
1298 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1300 if (strlen(fuser) > 0) {
1301 cprintf("From: %s (%s)%s", fuser, luser, nl);
1304 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1307 cprintf("Organization: %s%s", lnode, nl);
1310 /* end header processing loop ... at this point, we're in the text */
1312 mptr = TheMessage->cm_fields['M'];
1314 /* Tell the client about the MIME parts in this message */
1315 if (TheMessage->cm_format_type == FMT_RFC822) {
1316 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1317 mime_parser(mptr, NULL,
1323 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1324 /* FIXME ... we have to put some code in here to avoid
1325 * printing duplicate header information when both
1326 * Citadel and RFC822 headers exist. Preference should
1327 * probably be given to the RFC822 headers.
1329 while (ch=*(mptr++), ch!=0) {
1331 else if (ch==10) cprintf("%s", nl);
1332 else cprintf("%c", ch);
1334 if (do_proto) cprintf("000\n");
1339 if (headers_only == HEADERS_ONLY) {
1340 if (do_proto) cprintf("000\n");
1344 /* signify start of msg text */
1345 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1346 if (do_proto) cprintf("text\n");
1348 if (mode == MT_RFC822) {
1349 if (TheMessage->cm_fields['U'] == NULL) {
1350 cprintf("Subject: (no subject)%s", nl);
1355 /* If the format type on disk is 1 (fixed-format), then we want
1356 * everything to be output completely literally ... regardless of
1357 * what message transfer format is in use.
1359 if (TheMessage->cm_format_type == FMT_FIXED) {
1360 if (mode == MT_MIME) {
1361 cprintf("Content-type: text/plain\n\n");
1364 while (ch = *mptr++, ch > 0) {
1367 if ((ch == 10) || (strlen(buf) > 250)) {
1368 cprintf("%s%s", buf, nl);
1371 buf[strlen(buf) + 1] = 0;
1372 buf[strlen(buf)] = ch;
1375 if (strlen(buf) > 0)
1376 cprintf("%s%s", buf, nl);
1379 /* If the message on disk is format 0 (Citadel vari-format), we
1380 * output using the formatter at 80 columns. This is the final output
1381 * form if the transfer format is RFC822, but if the transfer format
1382 * is Citadel proprietary, it'll still work, because the indentation
1383 * for new paragraphs is correct and the client will reformat the
1384 * message to the reader's screen width.
1386 if (TheMessage->cm_format_type == FMT_CITADEL) {
1387 if (mode == MT_MIME) {
1388 cprintf("Content-type: text/x-citadel-variformat\n\n");
1390 memfmout(80, mptr, 0, nl);
1393 /* If the message on disk is format 4 (MIME), we've gotta hand it
1394 * off to the MIME parser. The client has already been told that
1395 * this message is format 1 (fixed format), so the callback function
1396 * we use will display those parts as-is.
1398 if (TheMessage->cm_format_type == FMT_RFC822) {
1399 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1400 memset(ma, 0, sizeof(struct ma_info));
1402 if (mode == MT_MIME) {
1403 strcpy(ma->chosen_part, "1");
1404 mime_parser(mptr, NULL,
1405 *choose_preferred, *fixed_output_pre,
1406 *fixed_output_post, NULL, 0);
1407 mime_parser(mptr, NULL,
1408 *output_preferred, NULL, NULL, NULL, 0);
1411 mime_parser(mptr, NULL,
1412 *fixed_output, *fixed_output_pre,
1413 *fixed_output_post, NULL, 0);
1417 /* now we're done */
1418 if (do_proto) cprintf("000\n");
1425 * display a message (mode 0 - Citadel proprietary)
1427 void cmd_msg0(char *cmdbuf)
1430 int headers_only = HEADERS_ALL;
1432 msgid = extract_long(cmdbuf, 0);
1433 headers_only = extract_int(cmdbuf, 1);
1435 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1441 * display a message (mode 2 - RFC822)
1443 void cmd_msg2(char *cmdbuf)
1446 int headers_only = HEADERS_ALL;
1448 msgid = extract_long(cmdbuf, 0);
1449 headers_only = extract_int(cmdbuf, 1);
1451 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1457 * display a message (mode 3 - IGnet raw format - internal programs only)
1459 void cmd_msg3(char *cmdbuf)
1462 struct CtdlMessage *msg;
1465 if (CC->internal_pgm == 0) {
1466 cprintf("%d This command is for internal programs only.\n",
1471 msgnum = extract_long(cmdbuf, 0);
1472 msg = CtdlFetchMessage(msgnum);
1474 cprintf("%d Message %ld not found.\n",
1479 serialize_message(&smr, msg);
1480 CtdlFreeMessage(msg);
1483 cprintf("%d Unable to serialize message\n",
1484 ERROR+INTERNAL_ERROR);
1488 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1489 client_write(smr.ser, smr.len);
1496 * Display a message using MIME content types
1498 void cmd_msg4(char *cmdbuf)
1502 msgid = extract_long(cmdbuf, 0);
1503 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1509 * Client tells us its preferred message format(s)
1511 void cmd_msgp(char *cmdbuf)
1513 safestrncpy(CC->preferred_formats, cmdbuf,
1514 sizeof(CC->preferred_formats));
1515 cprintf("%d ok\n", CIT_OK);
1520 * Open a component of a MIME message as a download file
1522 void cmd_opna(char *cmdbuf)
1526 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1528 msgid = extract_long(cmdbuf, 0);
1529 extract(desired_section, cmdbuf, 1);
1531 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1536 * Save a message pointer into a specified room
1537 * (Returns 0 for success, nonzero for failure)
1538 * roomname may be NULL to use the current room
1540 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1542 char hold_rm[ROOMNAMELEN];
1543 struct cdbdata *cdbfr;
1546 long highest_msg = 0L;
1547 struct CtdlMessage *msg = NULL;
1549 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1550 roomname, msgid, flags);
1552 strcpy(hold_rm, CC->quickroom.QRname);
1554 /* We may need to check to see if this message is real */
1555 if ( (flags & SM_VERIFY_GOODNESS)
1556 || (flags & SM_DO_REPL_CHECK)
1558 msg = CtdlFetchMessage(msgid);
1559 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1562 /* Perform replication checks if necessary */
1563 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1565 if (getroom(&CC->quickroom,
1566 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1568 lprintf(9, "No such room <%s>\n", roomname);
1569 if (msg != NULL) CtdlFreeMessage(msg);
1570 return(ERROR + ROOM_NOT_FOUND);
1573 if (ReplicationChecks(msg) != 0) {
1574 getroom(&CC->quickroom, hold_rm);
1575 if (msg != NULL) CtdlFreeMessage(msg);
1576 lprintf(9, "Did replication, and newer exists\n");
1581 /* Now the regular stuff */
1582 if (lgetroom(&CC->quickroom,
1583 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1585 lprintf(9, "No such room <%s>\n", roomname);
1586 if (msg != NULL) CtdlFreeMessage(msg);
1587 return(ERROR + ROOM_NOT_FOUND);
1590 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1591 if (cdbfr == NULL) {
1595 msglist = mallok(cdbfr->len);
1596 if (msglist == NULL)
1597 lprintf(3, "ERROR malloc msglist!\n");
1598 num_msgs = cdbfr->len / sizeof(long);
1599 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1604 /* Make sure the message doesn't already exist in this room. It
1605 * is absolutely taboo to have more than one reference to the same
1606 * message in a room.
1608 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1609 if (msglist[i] == msgid) {
1610 lputroom(&CC->quickroom); /* unlock the room */
1611 getroom(&CC->quickroom, hold_rm);
1612 if (msg != NULL) CtdlFreeMessage(msg);
1613 return(ERROR + ALREADY_EXISTS);
1617 /* Now add the new message */
1619 msglist = reallok(msglist,
1620 (num_msgs * sizeof(long)));
1622 if (msglist == NULL) {
1623 lprintf(3, "ERROR: can't realloc message list!\n");
1625 msglist[num_msgs - 1] = msgid;
1627 /* Sort the message list, so all the msgid's are in order */
1628 num_msgs = sort_msglist(msglist, num_msgs);
1630 /* Determine the highest message number */
1631 highest_msg = msglist[num_msgs - 1];
1633 /* Write it back to disk. */
1634 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1635 msglist, num_msgs * sizeof(long));
1637 /* Free up the memory we used. */
1640 /* Update the highest-message pointer and unlock the room. */
1641 CC->quickroom.QRhighest = highest_msg;
1642 lputroom(&CC->quickroom);
1643 getroom(&CC->quickroom, hold_rm);
1645 /* Bump the reference count for this message. */
1646 if ((flags & SM_DONT_BUMP_REF)==0) {
1647 AdjRefCount(msgid, +1);
1650 /* Return success. */
1651 if (msg != NULL) CtdlFreeMessage(msg);
1658 * Message base operation to send a message to the master file
1659 * (returns new message number)
1661 * This is the back end for CtdlSubmitMsg() and should not be directly
1662 * called by server-side modules.
1665 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1666 FILE *save_a_copy) /* save a copy to disk? */
1673 /* Get a new message number */
1674 newmsgid = get_new_message_number();
1675 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1677 /* Generate an ID if we don't have one already */
1678 if (msg->cm_fields['I']==NULL) {
1679 msg->cm_fields['I'] = strdoop(msgidbuf);
1682 serialize_message(&smr, msg);
1685 cprintf("%d Unable to serialize message\n",
1686 ERROR+INTERNAL_ERROR);
1690 /* Write our little bundle of joy into the message base */
1691 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1692 smr.ser, smr.len) < 0) {
1693 lprintf(2, "Can't store message\n");
1699 /* If the caller specified that a copy should be saved to a particular
1700 * file handle, do that now too.
1702 if (save_a_copy != NULL) {
1703 fwrite(smr.ser, smr.len, 1, save_a_copy);
1706 /* Free the memory we used for the serialized message */
1709 /* Return the *local* message ID to the caller
1710 * (even if we're storing an incoming network message)
1718 * Serialize a struct CtdlMessage into the format used on disk and network.
1720 * This function loads up a "struct ser_ret" (defined in server.h) which
1721 * contains the length of the serialized message and a pointer to the
1722 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1724 void serialize_message(struct ser_ret *ret, /* return values */
1725 struct CtdlMessage *msg) /* unserialized msg */
1729 static char *forder = FORDER;
1731 if (is_valid_message(msg) == 0) return; /* self check */
1734 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1735 ret->len = ret->len +
1736 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1738 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1739 ret->ser = mallok(ret->len);
1740 if (ret->ser == NULL) {
1746 ret->ser[1] = msg->cm_anon_type;
1747 ret->ser[2] = msg->cm_format_type;
1750 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1751 ret->ser[wlen++] = (char)forder[i];
1752 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1753 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1755 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1756 (long)ret->len, (long)wlen);
1764 * Back end for the ReplicationChecks() function
1766 void check_repl(long msgnum, void *userdata) {
1767 struct CtdlMessage *msg;
1768 time_t timestamp = (-1L);
1770 lprintf(9, "check_repl() found message %ld\n", msgnum);
1771 msg = CtdlFetchMessage(msgnum);
1772 if (msg == NULL) return;
1773 if (msg->cm_fields['T'] != NULL) {
1774 timestamp = atol(msg->cm_fields['T']);
1776 CtdlFreeMessage(msg);
1778 if (timestamp > msg_repl->highest) {
1779 msg_repl->highest = timestamp; /* newer! */
1780 lprintf(9, "newer!\n");
1783 lprintf(9, "older!\n");
1785 /* Existing isn't newer? Then delete the old one(s). */
1786 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1791 * Check to see if any messages already exist which carry the same Extended ID
1795 * -> With older timestamps: delete them and return 0. Message will be saved.
1796 * -> With newer timestamps: return 1. Message save will be aborted.
1798 int ReplicationChecks(struct CtdlMessage *msg) {
1799 struct CtdlMessage *template;
1802 lprintf(9, "ReplicationChecks() started\n");
1803 /* No extended id? Don't do anything. */
1804 if (msg->cm_fields['E'] == NULL) return 0;
1805 if (strlen(msg->cm_fields['E']) == 0) return 0;
1806 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1808 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1809 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1810 msg_repl->highest = atol(msg->cm_fields['T']);
1812 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1813 memset(template, 0, sizeof(struct CtdlMessage));
1814 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1816 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1818 /* If a newer message exists with the same Extended ID, abort
1821 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1825 CtdlFreeMessage(template);
1826 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1834 * Save a message to disk and submit it into the delivery system.
1836 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1837 struct recptypes *recps, /* recipients (if mail) */
1838 char *force /* force a particular room? */
1841 char hold_rm[ROOMNAMELEN];
1842 char actual_rm[ROOMNAMELEN];
1843 char force_room[ROOMNAMELEN];
1844 char content_type[SIZ]; /* We have to learn this */
1845 char recipient[SIZ];
1848 struct usersupp userbuf;
1850 struct MetaData smi;
1851 FILE *network_fp = NULL;
1852 static int seqnum = 1;
1853 struct CtdlMessage *imsg = NULL;
1856 char *hold_R, *hold_D;
1858 lprintf(9, "CtdlSubmitMsg() called\n");
1859 if (is_valid_message(msg) == 0) return(-1); /* self check */
1861 /* If this message has no timestamp, we take the liberty of
1862 * giving it one, right now.
1864 if (msg->cm_fields['T'] == NULL) {
1865 lprintf(9, "Generating timestamp\n");
1866 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1867 msg->cm_fields['T'] = strdoop(aaa);
1870 /* If this message has no path, we generate one.
1872 if (msg->cm_fields['P'] == NULL) {
1873 lprintf(9, "Generating path\n");
1874 if (msg->cm_fields['A'] != NULL) {
1875 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1876 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1877 if (isspace(msg->cm_fields['P'][a])) {
1878 msg->cm_fields['P'][a] = ' ';
1883 msg->cm_fields['P'] = strdoop("unknown");
1887 if (force == NULL) {
1888 strcpy(force_room, "");
1891 strcpy(force_room, force);
1894 /* Learn about what's inside, because it's what's inside that counts */
1895 lprintf(9, "Learning what's inside\n");
1896 if (msg->cm_fields['M'] == NULL) {
1897 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1900 switch (msg->cm_format_type) {
1902 strcpy(content_type, "text/x-citadel-variformat");
1905 strcpy(content_type, "text/plain");
1908 strcpy(content_type, "text/plain");
1909 /* advance past header fields */
1910 mptr = msg->cm_fields['M'];
1913 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1914 safestrncpy(content_type, mptr,
1915 sizeof(content_type));
1916 strcpy(content_type, &content_type[14]);
1917 for (a = 0; a < strlen(content_type); ++a)
1918 if ((content_type[a] == ';')
1919 || (content_type[a] == ' ')
1920 || (content_type[a] == 13)
1921 || (content_type[a] == 10))
1922 content_type[a] = 0;
1929 /* Goto the correct room */
1930 lprintf(9, "Switching rooms\n");
1931 strcpy(hold_rm, CC->quickroom.QRname);
1932 strcpy(actual_rm, CC->quickroom.QRname);
1933 if (recps != NULL) {
1934 strcpy(actual_rm, SENTITEMS);
1937 /* If the user is a twit, move to the twit room for posting */
1938 lprintf(9, "Handling twit stuff\n");
1940 if (CC->usersupp.axlevel == 2) {
1941 strcpy(hold_rm, actual_rm);
1942 strcpy(actual_rm, config.c_twitroom);
1946 /* ...or if this message is destined for Aide> then go there. */
1947 if (strlen(force_room) > 0) {
1948 strcpy(actual_rm, force_room);
1951 lprintf(9, "Possibly relocating\n");
1952 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1953 getroom(&CC->quickroom, actual_rm);
1957 * If this message has no O (room) field, generate one.
1959 if (msg->cm_fields['O'] == NULL) {
1960 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1963 /* Perform "before save" hooks (aborting if any return nonzero) */
1964 lprintf(9, "Performing before-save hooks\n");
1965 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1967 /* If this message has an Extended ID, perform replication checks */
1968 lprintf(9, "Performing replication checks\n");
1969 if (ReplicationChecks(msg) > 0) return(-1);
1971 /* Save it to disk */
1972 lprintf(9, "Saving to disk\n");
1973 newmsgid = send_message(msg, NULL);
1974 if (newmsgid <= 0L) return(-1);
1976 /* Write a supplemental message info record. This doesn't have to
1977 * be a critical section because nobody else knows about this message
1980 lprintf(9, "Creating MetaData record\n");
1981 memset(&smi, 0, sizeof(struct MetaData));
1982 smi.meta_msgnum = newmsgid;
1983 smi.meta_refcount = 0;
1984 safestrncpy(smi.meta_content_type, content_type, 64);
1987 /* Now figure out where to store the pointers */
1988 lprintf(9, "Storing pointers\n");
1990 /* If this is being done by the networker delivering a private
1991 * message, we want to BYPASS saving the sender's copy (because there
1992 * is no local sender; it would otherwise go to the Trashcan).
1994 if ((!CC->internal_pgm) || (recps == NULL)) {
1995 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
1996 lprintf(3, "ERROR saving message pointer!\n");
1997 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2001 /* For internet mail, drop a copy in the outbound queue room */
2003 if (recps->num_internet > 0) {
2004 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2007 /* If other rooms are specified, drop them there too. */
2009 if (recps->num_room > 0)
2010 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2011 extract(recipient, recps->recp_room, i);
2012 lprintf(9, "Delivering to local room <%s>\n", recipient);
2013 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2016 /* Bump this user's messages posted counter. */
2017 lprintf(9, "Updating user\n");
2018 lgetuser(&CC->usersupp, CC->curr_user);
2019 CC->usersupp.posted = CC->usersupp.posted + 1;
2020 lputuser(&CC->usersupp);
2022 /* If this is private, local mail, make a copy in the
2023 * recipient's mailbox and bump the reference count.
2026 if (recps->num_local > 0)
2027 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2028 extract(recipient, recps->recp_local, i);
2029 lprintf(9, "Delivering private local mail to <%s>\n",
2031 if (getuser(&userbuf, recipient) == 0) {
2032 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2033 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2034 BumpNewMailCounter(userbuf.usernum);
2037 lprintf(9, "No user <%s>\n", recipient);
2038 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2042 /* Perform "after save" hooks */
2043 lprintf(9, "Performing after-save hooks\n");
2044 PerformMessageHooks(msg, EVT_AFTERSAVE);
2046 /* For IGnet mail, we have to save a new copy into the spooler for
2047 * each recipient, with the R and D fields set to the recipient and
2048 * destination-node. This has two ugly side effects: all other
2049 * recipients end up being unlisted in this recipient's copy of the
2050 * message, and it has to deliver multiple messages to the same
2051 * node. We'll revisit this again in a year or so when everyone has
2052 * a network spool receiver that can handle the new style messages.
2055 if (recps->num_ignet > 0)
2056 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2057 extract(recipient, recps->recp_ignet, i);
2059 hold_R = msg->cm_fields['R'];
2060 hold_D = msg->cm_fields['D'];
2061 msg->cm_fields['R'] = mallok(SIZ);
2062 msg->cm_fields['D'] = mallok(SIZ);
2063 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2064 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2066 serialize_message(&smr, msg);
2068 snprintf(aaa, sizeof aaa,
2069 "./network/spoolin/netmail.%04lx.%04x.%04x",
2070 (long) getpid(), CC->cs_pid, ++seqnum);
2071 network_fp = fopen(aaa, "wb+");
2072 if (network_fp != NULL) {
2073 fwrite(smr.ser, smr.len, 1, network_fp);
2079 phree(msg->cm_fields['R']);
2080 phree(msg->cm_fields['D']);
2081 msg->cm_fields['R'] = hold_R;
2082 msg->cm_fields['D'] = hold_D;
2085 /* Go back to the room we started from */
2086 lprintf(9, "Returning to original room\n");
2087 if (strcasecmp(hold_rm, CC->quickroom.QRname))
2088 getroom(&CC->quickroom, hold_rm);
2090 /* For internet mail, generate delivery instructions.
2091 * Yes, this is recursive. Deal with it. Infinite recursion does
2092 * not happen because the delivery instructions message does not
2093 * contain a recipient.
2096 if (recps->num_internet > 0) {
2097 lprintf(9, "Generating delivery instructions\n");
2098 instr = mallok(SIZ * 2);
2099 snprintf(instr, SIZ * 2,
2100 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2102 SPOOLMIME, newmsgid, (long)time(NULL),
2103 msg->cm_fields['A'], msg->cm_fields['N']
2106 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2107 size_t tmp = strlen(instr);
2108 extract(recipient, recps->recp_internet, i);
2109 snprintf(&instr[tmp], SIZ * 2 - tmp,
2110 "remote|%s|0||\n", recipient);
2113 imsg = mallok(sizeof(struct CtdlMessage));
2114 memset(imsg, 0, sizeof(struct CtdlMessage));
2115 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2116 imsg->cm_anon_type = MES_NORMAL;
2117 imsg->cm_format_type = FMT_RFC822;
2118 imsg->cm_fields['A'] = strdoop("Citadel");
2119 imsg->cm_fields['M'] = instr;
2120 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2121 CtdlFreeMessage(imsg);
2130 * Convenience function for generating small administrative messages.
2132 void quickie_message(char *from, char *to, char *room, char *text,
2133 int format_type, char *subject)
2135 struct CtdlMessage *msg;
2136 struct recptypes *recp = NULL;
2138 msg = mallok(sizeof(struct CtdlMessage));
2139 memset(msg, 0, sizeof(struct CtdlMessage));
2140 msg->cm_magic = CTDLMESSAGE_MAGIC;
2141 msg->cm_anon_type = MES_NORMAL;
2142 msg->cm_format_type = format_type;
2143 msg->cm_fields['A'] = strdoop(from);
2144 if (room != NULL) msg->cm_fields['O'] = strdoop(room);
2145 msg->cm_fields['N'] = strdoop(NODENAME);
2147 msg->cm_fields['R'] = strdoop(to);
2148 recp = validate_recipients(to);
2150 if (subject != NULL) {
2151 msg->cm_fields['U'] = strdoop(subject);
2153 msg->cm_fields['M'] = strdoop(text);
2155 CtdlSubmitMsg(msg, recp, room);
2156 CtdlFreeMessage(msg);
2157 if (recp != NULL) phree(recp);
2163 * Back end function used by CtdlMakeMessage() 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 /* Measure the line and strip trailing newline characters */
2203 linelen = strlen(buf);
2204 if (linelen > 0) if (buf[linelen-1]==13) buf[linelen--]=0;
2205 if (linelen > 0) if (buf[linelen-1]==10) buf[linelen--]=0;
2207 /* augment the buffer if we have to */
2208 if ((message_len + linelen + 2) > buffer_len) {
2209 lprintf(9, "realloking\n");
2210 ptr = reallok(m, (buffer_len * 2) );
2211 if (ptr == NULL) { /* flush if can't allocate */
2212 while ( (client_gets(buf)>0) &&
2213 strcmp(buf, terminator)) ;;
2216 buffer_len = (buffer_len * 2);
2218 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2222 /* Add the new line to the buffer. NOTE: this loop must avoid
2223 * using functions like strcat() and strlen() because they
2224 * traverse the entire buffer upon every call, and doing that
2225 * for a multi-megabyte message slows it down beyond usability.
2227 strcpy(&m[message_len], buf);
2228 m[message_len + linelen] = '\n';
2229 m[message_len + linelen + 1] = 0;
2230 message_len = message_len + linelen + 1;
2232 /* if we've hit the max msg length, flush the rest */
2233 if (message_len >= maxlen) {
2234 while ( (client_gets(buf)>0)
2235 && strcmp(buf, terminator)) ;;
2246 * Build a binary message to be saved on disk.
2247 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2248 * will become part of the message. This means you are no longer
2249 * responsible for managing that memory -- it will be freed along with
2250 * the rest of the fields when CtdlFreeMessage() is called.)
2253 struct CtdlMessage *CtdlMakeMessage(
2254 struct usersupp *author, /* author's usersupp structure */
2255 char *recipient, /* NULL if it's not mail */
2256 char *room, /* room where it's going */
2257 int type, /* see MES_ types in header file */
2258 int format_type, /* variformat, plain text, MIME... */
2259 char *fake_name, /* who we're masquerading as */
2260 char *subject, /* Subject (optional) */
2261 char *preformatted_text /* ...or NULL to read text from client */
2263 char dest_node[SIZ];
2265 struct CtdlMessage *msg;
2267 msg = mallok(sizeof(struct CtdlMessage));
2268 memset(msg, 0, sizeof(struct CtdlMessage));
2269 msg->cm_magic = CTDLMESSAGE_MAGIC;
2270 msg->cm_anon_type = type;
2271 msg->cm_format_type = format_type;
2273 /* Don't confuse the poor folks if it's not routed mail. */
2274 strcpy(dest_node, "");
2278 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2279 msg->cm_fields['P'] = strdoop(buf);
2281 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2282 msg->cm_fields['T'] = strdoop(buf);
2284 if (fake_name[0]) /* author */
2285 msg->cm_fields['A'] = strdoop(fake_name);
2287 msg->cm_fields['A'] = strdoop(author->fullname);
2289 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2290 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2293 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2296 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2297 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2299 if (recipient[0] != 0) {
2300 msg->cm_fields['R'] = strdoop(recipient);
2302 if (dest_node[0] != 0) {
2303 msg->cm_fields['D'] = strdoop(dest_node);
2306 if ( (author == &CC->usersupp) && (strlen(CC->cs_inet_email) > 0) ) {
2307 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2310 if (subject != NULL) {
2312 if (strlen(subject) > 0) {
2313 msg->cm_fields['U'] = strdoop(subject);
2317 if (preformatted_text != NULL) {
2318 msg->cm_fields['M'] = preformatted_text;
2321 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2322 config.c_maxmsglen, NULL);
2330 * Check to see whether we have permission to post a message in the current
2331 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2332 * returns 0 on success.
2334 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2336 if (!(CC->logged_in)) {
2337 snprintf(errmsgbuf, n, "Not logged in.");
2338 return (ERROR + NOT_LOGGED_IN);
2341 if ((CC->usersupp.axlevel < 2)
2342 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2343 snprintf(errmsgbuf, n, "Need to be validated to enter "
2344 "(except in %s> to sysop)", MAILROOM);
2345 return (ERROR + HIGHER_ACCESS_REQUIRED);
2348 if ((CC->usersupp.axlevel < 4)
2349 && (CC->quickroom.QRflags & QR_NETWORK)) {
2350 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2351 return (ERROR + HIGHER_ACCESS_REQUIRED);
2354 if ((CC->usersupp.axlevel < 6)
2355 && (CC->quickroom.QRflags & QR_READONLY)) {
2356 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2357 return (ERROR + HIGHER_ACCESS_REQUIRED);
2360 strcpy(errmsgbuf, "Ok");
2366 * Check to see if the specified user has Internet mail permission
2367 * (returns nonzero if permission is granted)
2369 int CtdlCheckInternetMailPermission(struct usersupp *who) {
2371 /* Globally enabled? */
2372 if (config.c_restrict == 0) return(1);
2374 /* User flagged ok? */
2375 if (who->flags & US_INTERNET) return(2);
2377 /* Aide level access? */
2378 if (who->axlevel >= 6) return(3);
2380 /* No mail for you! */
2387 * Validate recipients, count delivery types and errors, and handle aliasing
2388 * FIXME check for dupes!!!!!
2390 struct recptypes *validate_recipients(char *recipients) {
2391 struct recptypes *ret;
2392 char this_recp[SIZ];
2393 char this_recp_cooked[SIZ];
2399 struct usersupp tempUS;
2400 struct quickroom tempQR;
2403 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2404 if (ret == NULL) return(NULL);
2405 memset(ret, 0, sizeof(struct recptypes));
2408 ret->num_internet = 0;
2413 if (recipients == NULL) {
2416 else if (strlen(recipients) == 0) {
2420 /* Change all valid separator characters to commas */
2421 for (i=0; i<strlen(recipients); ++i) {
2422 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2423 recipients[i] = ',';
2428 num_recps = num_tokens(recipients, ',');
2431 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2432 extract_token(this_recp, recipients, i, ',');
2434 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2435 mailtype = alias(this_recp);
2436 mailtype = alias(this_recp);
2437 mailtype = alias(this_recp);
2438 for (j=0; j<=strlen(this_recp); ++j) {
2439 if (this_recp[j]=='_') {
2440 this_recp_cooked[j] = ' ';
2443 this_recp_cooked[j] = this_recp[j];
2449 if (!strcasecmp(this_recp, "sysop")) {
2451 strcpy(this_recp, config.c_aideroom);
2452 if (strlen(ret->recp_room) > 0) {
2453 strcat(ret->recp_room, "|");
2455 strcat(ret->recp_room, this_recp);
2457 else if (getuser(&tempUS, this_recp) == 0) {
2459 strcpy(this_recp, tempUS.fullname);
2460 if (strlen(ret->recp_local) > 0) {
2461 strcat(ret->recp_local, "|");
2463 strcat(ret->recp_local, this_recp);
2465 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2467 strcpy(this_recp, tempUS.fullname);
2468 if (strlen(ret->recp_local) > 0) {
2469 strcat(ret->recp_local, "|");
2471 strcat(ret->recp_local, this_recp);
2473 else if ( (!strncasecmp(this_recp, "room_", 5))
2474 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2476 if (strlen(ret->recp_room) > 0) {
2477 strcat(ret->recp_room, "|");
2479 strcat(ret->recp_room, &this_recp_cooked[5]);
2487 ++ret->num_internet;
2488 if (strlen(ret->recp_internet) > 0) {
2489 strcat(ret->recp_internet, "|");
2491 strcat(ret->recp_internet, this_recp);
2495 if (strlen(ret->recp_ignet) > 0) {
2496 strcat(ret->recp_ignet, "|");
2498 strcat(ret->recp_ignet, this_recp);
2506 if (strlen(ret->errormsg) == 0) {
2507 snprintf(append, sizeof append,
2508 "Invalid recipient: %s",
2512 snprintf(append, sizeof append,
2515 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2516 strcat(ret->errormsg, append);
2520 if (strlen(ret->display_recp) == 0) {
2521 strcpy(append, this_recp);
2524 snprintf(append, sizeof append, ", %s",
2527 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2528 strcat(ret->display_recp, append);
2533 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2534 ret->num_room + ret->num_error) == 0) {
2536 strcpy(ret->errormsg, "No recipients specified.");
2539 lprintf(9, "validate_recipients()\n");
2540 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2541 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2542 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2543 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2544 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2552 * message entry - mode 0 (normal)
2554 void cmd_ent0(char *entargs)
2558 char masquerade_as[SIZ];
2560 int format_type = 0;
2561 char newusername[SIZ];
2562 struct CtdlMessage *msg;
2566 struct recptypes *valid = NULL;
2569 post = extract_int(entargs, 0);
2570 extract(recp, entargs, 1);
2571 anon_flag = extract_int(entargs, 2);
2572 format_type = extract_int(entargs, 3);
2573 extract(subject, entargs, 4);
2575 /* first check to make sure the request is valid. */
2577 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2579 cprintf("%d %s\n", err, errmsg);
2583 /* Check some other permission type things. */
2586 if (CC->usersupp.axlevel < 6) {
2587 cprintf("%d You don't have permission to masquerade.\n",
2588 ERROR + HIGHER_ACCESS_REQUIRED);
2591 extract(newusername, entargs, 4);
2592 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2593 safestrncpy(CC->fake_postname, newusername,
2594 sizeof(CC->fake_postname) );
2595 cprintf("%d ok\n", CIT_OK);
2598 CC->cs_flags |= CS_POSTING;
2600 /* In the Mail> room we have to behave a little differently --
2601 * make sure the user has specified at least one recipient. Then
2602 * validate the recipient(s).
2604 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2605 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2607 if (CC->usersupp.axlevel < 2) {
2608 strcpy(recp, "sysop");
2611 valid = validate_recipients(recp);
2612 if (valid->num_error > 0) {
2614 ERROR + NO_SUCH_USER, valid->errormsg);
2618 if (valid->num_internet > 0) {
2619 if (CtdlCheckInternetMailPermission(&CC->usersupp)==0) {
2620 cprintf("%d You do not have permission "
2621 "to send Internet mail.\n",
2622 ERROR + HIGHER_ACCESS_REQUIRED);
2628 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2629 && (CC->usersupp.axlevel < 4) ) {
2630 cprintf("%d Higher access required for network mail.\n",
2631 ERROR + HIGHER_ACCESS_REQUIRED);
2636 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2637 && ((CC->usersupp.flags & US_INTERNET) == 0)
2638 && (!CC->internal_pgm)) {
2639 cprintf("%d You don't have access to Internet mail.\n",
2640 ERROR + HIGHER_ACCESS_REQUIRED);
2647 /* Is this a room which has anonymous-only or anonymous-option? */
2648 anonymous = MES_NORMAL;
2649 if (CC->quickroom.QRflags & QR_ANONONLY) {
2650 anonymous = MES_ANONONLY;
2652 if (CC->quickroom.QRflags & QR_ANONOPT) {
2653 if (anon_flag == 1) { /* only if the user requested it */
2654 anonymous = MES_ANONOPT;
2658 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2662 /* If we're only checking the validity of the request, return
2663 * success without creating the message.
2666 cprintf("%d %s\n", CIT_OK,
2667 ((valid != NULL) ? valid->display_recp : "") );
2672 /* Handle author masquerading */
2673 if (CC->fake_postname[0]) {
2674 strcpy(masquerade_as, CC->fake_postname);
2676 else if (CC->fake_username[0]) {
2677 strcpy(masquerade_as, CC->fake_username);
2680 strcpy(masquerade_as, "");
2683 /* Read in the message from the client. */
2684 cprintf("%d send message\n", SEND_LISTING);
2685 msg = CtdlMakeMessage(&CC->usersupp, recp,
2686 CC->quickroom.QRname, anonymous, format_type,
2687 masquerade_as, subject, NULL);
2690 CtdlSubmitMsg(msg, valid, "");
2691 CtdlFreeMessage(msg);
2693 CC->fake_postname[0] = '\0';
2701 * API function to delete messages which match a set of criteria
2702 * (returns the actual number of messages deleted)
2704 int CtdlDeleteMessages(char *room_name, /* which room */
2705 long dmsgnum, /* or "0" for any */
2706 char *content_type /* or "" for any */
2710 struct quickroom qrbuf;
2711 struct cdbdata *cdbfr;
2712 long *msglist = NULL;
2713 long *dellist = NULL;
2716 int num_deleted = 0;
2718 struct MetaData smi;
2720 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2721 room_name, dmsgnum, content_type);
2723 /* get room record, obtaining a lock... */
2724 if (lgetroom(&qrbuf, room_name) != 0) {
2725 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2727 return (0); /* room not found */
2729 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2731 if (cdbfr != NULL) {
2732 msglist = mallok(cdbfr->len);
2733 dellist = mallok(cdbfr->len);
2734 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2735 num_msgs = cdbfr->len / sizeof(long);
2739 for (i = 0; i < num_msgs; ++i) {
2742 /* Set/clear a bit for each criterion */
2744 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2745 delete_this |= 0x01;
2747 if (strlen(content_type) == 0) {
2748 delete_this |= 0x02;
2750 GetMetaData(&smi, msglist[i]);
2751 if (!strcasecmp(smi.meta_content_type,
2753 delete_this |= 0x02;
2757 /* Delete message only if all bits are set */
2758 if (delete_this == 0x03) {
2759 dellist[num_deleted++] = msglist[i];
2764 num_msgs = sort_msglist(msglist, num_msgs);
2765 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2766 msglist, (num_msgs * sizeof(long)));
2768 qrbuf.QRhighest = msglist[num_msgs - 1];
2772 /* Go through the messages we pulled out of the index, and decrement
2773 * their reference counts by 1. If this is the only room the message
2774 * was in, the reference count will reach zero and the message will
2775 * automatically be deleted from the database. We do this in a
2776 * separate pass because there might be plug-in hooks getting called,
2777 * and we don't want that happening during an S_QUICKROOM critical
2780 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2781 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2782 AdjRefCount(dellist[i], -1);
2785 /* Now free the memory we used, and go away. */
2786 if (msglist != NULL) phree(msglist);
2787 if (dellist != NULL) phree(dellist);
2788 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2789 return (num_deleted);
2795 * Check whether the current user has permission to delete messages from
2796 * the current room (returns 1 for yes, 0 for no)
2798 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2799 getuser(&CC->usersupp, CC->curr_user);
2800 if ((CC->usersupp.axlevel < 6)
2801 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2802 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2803 && (!(CC->internal_pgm))) {
2812 * Delete message from current room
2814 void cmd_dele(char *delstr)
2819 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2820 cprintf("%d Higher access required.\n",
2821 ERROR + HIGHER_ACCESS_REQUIRED);
2824 delnum = extract_long(delstr, 0);
2826 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2829 cprintf("%d %d message%s deleted.\n", CIT_OK,
2830 num_deleted, ((num_deleted != 1) ? "s" : ""));
2832 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2838 * Back end API function for moves and deletes
2840 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2843 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2844 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2845 if (err != 0) return(err);
2853 * move or copy a message to another room
2855 void cmd_move(char *args)
2859 struct quickroom qtemp;
2863 num = extract_long(args, 0);
2864 extract(targ, args, 1);
2865 targ[ROOMNAMELEN - 1] = 0;
2866 is_copy = extract_int(args, 2);
2868 if (getroom(&qtemp, targ) != 0) {
2869 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2873 getuser(&CC->usersupp, CC->curr_user);
2874 /* Aides can move/copy */
2875 if ((CC->usersupp.axlevel < 6)
2876 /* Roomaides can move/copy */
2877 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2878 /* Permit move/copy to/from personal rooms */
2879 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2880 && (qtemp.QRflags & QR_MAILBOX)))
2881 /* Permit only copy from public to personal room */
2882 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2883 && (qtemp.QRflags & QR_MAILBOX)))) {
2884 cprintf("%d Higher access required.\n",
2885 ERROR + HIGHER_ACCESS_REQUIRED);
2889 err = CtdlCopyMsgToRoom(num, targ);
2891 cprintf("%d Cannot store message in %s: error %d\n",
2896 /* Now delete the message from the source room,
2897 * if this is a 'move' rather than a 'copy' operation.
2900 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2903 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2909 * GetMetaData() - Get the supplementary record for a message
2911 void GetMetaData(struct MetaData *smibuf, long msgnum)
2914 struct cdbdata *cdbsmi;
2917 memset(smibuf, 0, sizeof(struct MetaData));
2918 smibuf->meta_msgnum = msgnum;
2919 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2921 /* Use the negative of the message number for its supp record index */
2922 TheIndex = (0L - msgnum);
2924 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2925 if (cdbsmi == NULL) {
2926 return; /* record not found; go with defaults */
2928 memcpy(smibuf, cdbsmi->ptr,
2929 ((cdbsmi->len > sizeof(struct MetaData)) ?
2930 sizeof(struct MetaData) : cdbsmi->len));
2937 * PutMetaData() - (re)write supplementary record for a message
2939 void PutMetaData(struct MetaData *smibuf)
2943 /* Use the negative of the message number for the metadata db index */
2944 TheIndex = (0L - smibuf->meta_msgnum);
2946 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2947 smibuf->meta_msgnum, smibuf->meta_refcount);
2949 cdb_store(CDB_MSGMAIN,
2950 &TheIndex, sizeof(long),
2951 smibuf, sizeof(struct MetaData));
2956 * AdjRefCount - change the reference count for a message;
2957 * delete the message if it reaches zero
2959 void AdjRefCount(long msgnum, int incr)
2962 struct MetaData smi;
2965 /* This is a *tight* critical section; please keep it that way, as
2966 * it may get called while nested in other critical sections.
2967 * Complicating this any further will surely cause deadlock!
2969 begin_critical_section(S_SUPPMSGMAIN);
2970 GetMetaData(&smi, msgnum);
2971 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2972 msgnum, smi.meta_refcount);
2973 smi.meta_refcount += incr;
2975 end_critical_section(S_SUPPMSGMAIN);
2976 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2977 msgnum, smi.meta_refcount);
2979 /* If the reference count is now zero, delete the message
2980 * (and its supplementary record as well).
2982 if (smi.meta_refcount == 0) {
2983 lprintf(9, "Deleting message <%ld>\n", msgnum);
2985 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2987 /* We have to delete the metadata record too! */
2988 delnum = (0L - msgnum);
2989 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2994 * Write a generic object to this room
2996 * Note: this could be much more efficient. Right now we use two temporary
2997 * files, and still pull the message into memory as with all others.
2999 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3000 char *content_type, /* MIME type of this object */
3001 char *tempfilename, /* Where to fetch it from */
3002 struct usersupp *is_mailbox, /* Mailbox room? */
3003 int is_binary, /* Is encoding necessary? */
3004 int is_unique, /* Del others of this type? */
3005 unsigned int flags /* Internal save flags */
3010 struct quickroom qrbuf;
3011 char roomname[ROOMNAMELEN];
3012 struct CtdlMessage *msg;
3014 char *raw_message = NULL;
3015 char *encoded_message = NULL;
3016 off_t raw_length = 0;
3018 if (is_mailbox != NULL)
3019 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3021 safestrncpy(roomname, req_room, sizeof(roomname));
3022 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3025 fp = fopen(tempfilename, "rb");
3027 lprintf(5, "Cannot open %s: %s\n",
3028 tempfilename, strerror(errno));
3031 fseek(fp, 0L, SEEK_END);
3032 raw_length = ftell(fp);
3034 lprintf(9, "Raw length is %ld\n", (long)raw_length);
3036 raw_message = mallok((size_t)raw_length);
3037 fread(raw_message, (size_t)raw_length, 1, fp);
3041 encoded_message = mallok((size_t)
3042 (((raw_length * 134) / 100) + 4096 ) );
3045 encoded_message = mallok((size_t)(raw_length + 4096));
3048 sprintf(encoded_message, "Content-type: %s\n", content_type);
3051 sprintf(&encoded_message[strlen(encoded_message)],
3052 "Content-transfer-encoding: base64\n\n"
3056 sprintf(&encoded_message[strlen(encoded_message)],
3057 "Content-transfer-encoding: 7bit\n\n"
3063 &encoded_message[strlen(encoded_message)],
3069 raw_message[raw_length] = 0;
3071 &encoded_message[strlen(encoded_message)],
3079 lprintf(9, "Allocating\n");
3080 msg = mallok(sizeof(struct CtdlMessage));
3081 memset(msg, 0, sizeof(struct CtdlMessage));
3082 msg->cm_magic = CTDLMESSAGE_MAGIC;
3083 msg->cm_anon_type = MES_NORMAL;
3084 msg->cm_format_type = 4;
3085 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
3086 msg->cm_fields['O'] = strdoop(req_room);
3087 msg->cm_fields['N'] = strdoop(config.c_nodename);
3088 msg->cm_fields['H'] = strdoop(config.c_humannode);
3089 msg->cm_flags = flags;
3091 msg->cm_fields['M'] = encoded_message;
3093 /* Create the requested room if we have to. */
3094 if (getroom(&qrbuf, roomname) != 0) {
3095 create_room(roomname,
3096 ( (is_mailbox != NULL) ? 5 : 3 ),
3099 /* If the caller specified this object as unique, delete all
3100 * other objects of this type that are currently in the room.
3103 lprintf(9, "Deleted %d other msgs of this type\n",
3104 CtdlDeleteMessages(roomname, 0L, content_type));
3106 /* Now write the data */
3107 CtdlSubmitMsg(msg, NULL, roomname);
3108 CtdlFreeMessage(msg);
3116 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3117 config_msgnum = msgnum;
3121 char *CtdlGetSysConfig(char *sysconfname) {
3122 char hold_rm[ROOMNAMELEN];
3125 struct CtdlMessage *msg;
3128 strcpy(hold_rm, CC->quickroom.QRname);
3129 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
3130 getroom(&CC->quickroom, hold_rm);
3135 /* We want the last (and probably only) config in this room */
3136 begin_critical_section(S_CONFIG);
3137 config_msgnum = (-1L);
3138 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3139 CtdlGetSysConfigBackend, NULL);
3140 msgnum = config_msgnum;
3141 end_critical_section(S_CONFIG);
3147 msg = CtdlFetchMessage(msgnum);
3149 conf = strdoop(msg->cm_fields['M']);
3150 CtdlFreeMessage(msg);
3157 getroom(&CC->quickroom, hold_rm);
3159 if (conf != NULL) do {
3160 extract_token(buf, conf, 0, '\n');
3161 strcpy(conf, &conf[strlen(buf)+1]);
3162 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3167 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3168 char temp[PATH_MAX];
3171 strcpy(temp, tmpnam(NULL));
3173 fp = fopen(temp, "w");
3174 if (fp == NULL) return;
3175 fprintf(fp, "%s", sysconfdata);
3178 /* this handy API function does all the work for us */
3179 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3185 * Determine whether a given Internet address belongs to the current user
3187 int CtdlIsMe(char *addr) {
3188 struct recptypes *recp;
3191 recp = validate_recipients(addr);
3192 if (recp == NULL) return(0);
3194 if (recp->num_local == 0) {
3199 for (i=0; i<recp->num_local; ++i) {
3200 extract(addr, recp->recp_local, i);
3201 if (!strcasecmp(addr, CC->usersupp.fullname)) {
3213 * Citadel protocol command to do the same
3215 void cmd_isme(char *argbuf) {
3218 if (CtdlAccessCheck(ac_logged_in)) return;
3219 extract(addr, argbuf, 0);
3221 if (CtdlIsMe(addr)) {
3222 cprintf("%d %s\n", CIT_OK, addr);
3225 cprintf("%d Not you.\n", ERROR);