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 */
1099 int subject_found = 0;
1101 /* buffers needed for RFC822 translation */
1108 char datestamp[SIZ];
1111 snprintf(mid, sizeof mid, "%ld", msg_num);
1112 nl = (crlf ? "\r\n" : "\n");
1114 if (!is_valid_message(TheMessage)) {
1115 lprintf(1, "ERROR: invalid preloaded message for output\n");
1116 return(om_no_such_msg);
1119 /* Are we downloading a MIME component? */
1120 if (mode == MT_DOWNLOAD) {
1121 if (TheMessage->cm_format_type != FMT_RFC822) {
1123 cprintf("%d This is not a MIME message.\n",
1125 } else if (CC->download_fp != NULL) {
1126 if (do_proto) cprintf(
1127 "%d You already have a download open.\n",
1130 /* Parse the message text component */
1131 mptr = TheMessage->cm_fields['M'];
1132 mime_parser(mptr, NULL,
1133 *mime_download, NULL, NULL,
1135 /* If there's no file open by this time, the requested
1136 * section wasn't found, so print an error
1138 if (CC->download_fp == NULL) {
1139 if (do_proto) cprintf(
1140 "%d Section %s not found.\n",
1141 ERROR + FILE_NOT_FOUND,
1145 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1148 /* now for the user-mode message reading loops */
1149 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1151 /* Does the caller want to skip the headers? */
1152 if (headers_only == HEADERS_NONE) goto START_TEXT;
1154 /* Tell the client which format type we're using. */
1155 if ( (mode == MT_CITADEL) && (do_proto) ) {
1156 cprintf("type=%d\n", TheMessage->cm_format_type);
1159 /* nhdr=yes means that we're only displaying headers, no body */
1160 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1161 && (mode == MT_CITADEL)
1164 cprintf("nhdr=yes\n");
1167 /* begin header processing loop for Citadel message format */
1169 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1171 strcpy(display_name, "<unknown>");
1172 if (TheMessage->cm_fields['A']) {
1173 strcpy(buf, TheMessage->cm_fields['A']);
1174 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1175 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1176 strcpy(display_name, "****");
1178 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1179 strcpy(display_name, "anonymous");
1182 strcpy(display_name, buf);
1184 if ((is_room_aide())
1185 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1186 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1187 size_t tmp = strlen(display_name);
1188 snprintf(&display_name[tmp],
1189 sizeof display_name - tmp,
1194 /* Don't show Internet address for users on the
1195 * local Citadel network.
1198 if (TheMessage->cm_fields['N'] != NULL)
1199 if (strlen(TheMessage->cm_fields['N']) > 0)
1200 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1204 /* Now spew the header fields in the order we like them. */
1205 strcpy(allkeys, FORDER);
1206 for (i=0; i<strlen(allkeys); ++i) {
1207 k = (int) allkeys[i];
1209 if ( (TheMessage->cm_fields[k] != NULL)
1210 && (msgkeys[k] != NULL) ) {
1212 if (do_proto) cprintf("%s=%s\n",
1216 else if ((k == 'F') && (suppress_f)) {
1219 /* Masquerade display name if needed */
1221 if (do_proto) cprintf("%s=%s\n",
1223 TheMessage->cm_fields[k]
1232 /* begin header processing loop for RFC822 transfer format */
1237 strcpy(snode, NODENAME);
1238 strcpy(lnode, HUMANNODE);
1239 if (mode == MT_RFC822) {
1240 cprintf("X-UIDL: %ld%s", msg_num, nl);
1241 for (i = 0; i < 256; ++i) {
1242 if (TheMessage->cm_fields[i]) {
1243 mptr = TheMessage->cm_fields[i];
1246 strcpy(luser, mptr);
1247 strcpy(suser, mptr);
1250 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1251 into thinking that mail messages are newsgroup messages instead. When we
1252 add NNTP support back into Citadel we'll have to add code to only output
1253 this field when appropriate.
1254 else if (i == 'P') {
1255 cprintf("Path: %s%s", mptr, nl);
1258 else if (i == 'U') {
1259 cprintf("Subject: %s%s", mptr, nl);
1263 safestrncpy(mid, mptr, sizeof mid);
1265 safestrncpy(lnode, mptr, sizeof lnode);
1267 safestrncpy(fuser, mptr, sizeof fuser);
1269 cprintf("X-Citadel-Room: %s%s",
1272 safestrncpy(snode, mptr, sizeof snode);
1274 cprintf("To: %s%s", mptr, nl);
1275 else if (i == 'T') {
1276 datestring(datestamp, sizeof datestamp,
1277 atol(mptr), DATESTRING_RFC822);
1278 cprintf("Date: %s%s", datestamp, nl);
1282 if (subject_found == 0) {
1283 cprintf("Subject: (no subject)%s", nl);
1287 for (i=0; i<strlen(suser); ++i) {
1288 suser[i] = tolower(suser[i]);
1289 if (!isalnum(suser[i])) suser[i]='_';
1292 if (mode == MT_RFC822) {
1293 if (!strcasecmp(snode, NODENAME)) {
1294 strcpy(snode, FQDN);
1297 /* Construct a fun message id */
1298 cprintf("Message-ID: <%s", mid);
1299 if (strchr(mid, '@')==NULL) {
1300 cprintf("@%s", snode);
1304 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1306 if (strlen(fuser) > 0) {
1307 cprintf("From: %s (%s)%s", fuser, luser, nl);
1310 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1313 cprintf("Organization: %s%s", lnode, nl);
1315 /* Blank line signifying RFC822 end-of-headers */
1316 if (TheMessage->cm_format_type != FMT_RFC822) {
1321 /* end header processing loop ... at this point, we're in the text */
1323 mptr = TheMessage->cm_fields['M'];
1325 /* Tell the client about the MIME parts in this message */
1326 if (TheMessage->cm_format_type == FMT_RFC822) {
1327 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1328 mime_parser(mptr, NULL,
1334 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1335 /* FIXME ... we have to put some code in here to avoid
1336 * printing duplicate header information when both
1337 * Citadel and RFC822 headers exist. Preference should
1338 * probably be given to the RFC822 headers.
1340 int done_rfc822_hdrs = 0;
1341 while (ch=*(mptr++), ch!=0) {
1346 if (!done_rfc822_hdrs) {
1347 if (headers_only != HEADERS_NONE) {
1352 if (headers_only != HEADERS_ONLY) {
1356 if ((*(mptr) == 13) || (*(mptr) == 10)) {
1357 done_rfc822_hdrs = 1;
1361 if (done_rfc822_hdrs) {
1362 if (headers_only != HEADERS_NONE) {
1367 if (headers_only != HEADERS_ONLY) {
1371 if ((*mptr == 13) || (*mptr == 10)) {
1372 done_rfc822_hdrs = 1;
1380 if (headers_only == HEADERS_ONLY) {
1384 /* signify start of msg text */
1385 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1386 if (do_proto) cprintf("text\n");
1389 /* If the format type on disk is 1 (fixed-format), then we want
1390 * everything to be output completely literally ... regardless of
1391 * what message transfer format is in use.
1393 if (TheMessage->cm_format_type == FMT_FIXED) {
1394 if (mode == MT_MIME) {
1395 cprintf("Content-type: text/plain\n\n");
1398 while (ch = *mptr++, ch > 0) {
1401 if ((ch == 10) || (strlen(buf) > 250)) {
1402 cprintf("%s%s", buf, nl);
1405 buf[strlen(buf) + 1] = 0;
1406 buf[strlen(buf)] = ch;
1409 if (strlen(buf) > 0)
1410 cprintf("%s%s", buf, nl);
1413 /* If the message on disk is format 0 (Citadel vari-format), we
1414 * output using the formatter at 80 columns. This is the final output
1415 * form if the transfer format is RFC822, but if the transfer format
1416 * is Citadel proprietary, it'll still work, because the indentation
1417 * for new paragraphs is correct and the client will reformat the
1418 * message to the reader's screen width.
1420 if (TheMessage->cm_format_type == FMT_CITADEL) {
1421 if (mode == MT_MIME) {
1422 cprintf("Content-type: text/x-citadel-variformat\n\n");
1424 memfmout(80, mptr, 0, nl);
1427 /* If the message on disk is format 4 (MIME), we've gotta hand it
1428 * off to the MIME parser. The client has already been told that
1429 * this message is format 1 (fixed format), so the callback function
1430 * we use will display those parts as-is.
1432 if (TheMessage->cm_format_type == FMT_RFC822) {
1433 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1434 memset(ma, 0, sizeof(struct ma_info));
1436 if (mode == MT_MIME) {
1437 strcpy(ma->chosen_part, "1");
1438 mime_parser(mptr, NULL,
1439 *choose_preferred, *fixed_output_pre,
1440 *fixed_output_post, NULL, 0);
1441 mime_parser(mptr, NULL,
1442 *output_preferred, NULL, NULL, NULL, 0);
1445 mime_parser(mptr, NULL,
1446 *fixed_output, *fixed_output_pre,
1447 *fixed_output_post, NULL, 0);
1451 DONE: /* now we're done */
1452 if (do_proto) cprintf("000\n");
1459 * display a message (mode 0 - Citadel proprietary)
1461 void cmd_msg0(char *cmdbuf)
1464 int headers_only = HEADERS_ALL;
1466 msgid = extract_long(cmdbuf, 0);
1467 headers_only = extract_int(cmdbuf, 1);
1469 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1475 * display a message (mode 2 - RFC822)
1477 void cmd_msg2(char *cmdbuf)
1480 int headers_only = HEADERS_ALL;
1482 msgid = extract_long(cmdbuf, 0);
1483 headers_only = extract_int(cmdbuf, 1);
1485 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1491 * display a message (mode 3 - IGnet raw format - internal programs only)
1493 void cmd_msg3(char *cmdbuf)
1496 struct CtdlMessage *msg;
1499 if (CC->internal_pgm == 0) {
1500 cprintf("%d This command is for internal programs only.\n",
1505 msgnum = extract_long(cmdbuf, 0);
1506 msg = CtdlFetchMessage(msgnum);
1508 cprintf("%d Message %ld not found.\n",
1513 serialize_message(&smr, msg);
1514 CtdlFreeMessage(msg);
1517 cprintf("%d Unable to serialize message\n",
1518 ERROR+INTERNAL_ERROR);
1522 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1523 client_write(smr.ser, smr.len);
1530 * Display a message using MIME content types
1532 void cmd_msg4(char *cmdbuf)
1536 msgid = extract_long(cmdbuf, 0);
1537 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1543 * Client tells us its preferred message format(s)
1545 void cmd_msgp(char *cmdbuf)
1547 safestrncpy(CC->preferred_formats, cmdbuf,
1548 sizeof(CC->preferred_formats));
1549 cprintf("%d ok\n", CIT_OK);
1554 * Open a component of a MIME message as a download file
1556 void cmd_opna(char *cmdbuf)
1560 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1562 msgid = extract_long(cmdbuf, 0);
1563 extract(desired_section, cmdbuf, 1);
1565 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1570 * Save a message pointer into a specified room
1571 * (Returns 0 for success, nonzero for failure)
1572 * roomname may be NULL to use the current room
1574 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1576 char hold_rm[ROOMNAMELEN];
1577 struct cdbdata *cdbfr;
1580 long highest_msg = 0L;
1581 struct CtdlMessage *msg = NULL;
1583 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1584 roomname, msgid, flags);
1586 strcpy(hold_rm, CC->quickroom.QRname);
1588 /* We may need to check to see if this message is real */
1589 if ( (flags & SM_VERIFY_GOODNESS)
1590 || (flags & SM_DO_REPL_CHECK)
1592 msg = CtdlFetchMessage(msgid);
1593 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1596 /* Perform replication checks if necessary */
1597 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1599 if (getroom(&CC->quickroom,
1600 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1602 lprintf(9, "No such room <%s>\n", roomname);
1603 if (msg != NULL) CtdlFreeMessage(msg);
1604 return(ERROR + ROOM_NOT_FOUND);
1607 if (ReplicationChecks(msg) != 0) {
1608 getroom(&CC->quickroom, hold_rm);
1609 if (msg != NULL) CtdlFreeMessage(msg);
1610 lprintf(9, "Did replication, and newer exists\n");
1615 /* Now the regular stuff */
1616 if (lgetroom(&CC->quickroom,
1617 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1619 lprintf(9, "No such room <%s>\n", roomname);
1620 if (msg != NULL) CtdlFreeMessage(msg);
1621 return(ERROR + ROOM_NOT_FOUND);
1624 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1625 if (cdbfr == NULL) {
1629 msglist = mallok(cdbfr->len);
1630 if (msglist == NULL)
1631 lprintf(3, "ERROR malloc msglist!\n");
1632 num_msgs = cdbfr->len / sizeof(long);
1633 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1638 /* Make sure the message doesn't already exist in this room. It
1639 * is absolutely taboo to have more than one reference to the same
1640 * message in a room.
1642 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1643 if (msglist[i] == msgid) {
1644 lputroom(&CC->quickroom); /* unlock the room */
1645 getroom(&CC->quickroom, hold_rm);
1646 if (msg != NULL) CtdlFreeMessage(msg);
1647 return(ERROR + ALREADY_EXISTS);
1651 /* Now add the new message */
1653 msglist = reallok(msglist,
1654 (num_msgs * sizeof(long)));
1656 if (msglist == NULL) {
1657 lprintf(3, "ERROR: can't realloc message list!\n");
1659 msglist[num_msgs - 1] = msgid;
1661 /* Sort the message list, so all the msgid's are in order */
1662 num_msgs = sort_msglist(msglist, num_msgs);
1664 /* Determine the highest message number */
1665 highest_msg = msglist[num_msgs - 1];
1667 /* Write it back to disk. */
1668 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1669 msglist, num_msgs * sizeof(long));
1671 /* Free up the memory we used. */
1674 /* Update the highest-message pointer and unlock the room. */
1675 CC->quickroom.QRhighest = highest_msg;
1676 lputroom(&CC->quickroom);
1677 getroom(&CC->quickroom, hold_rm);
1679 /* Bump the reference count for this message. */
1680 if ((flags & SM_DONT_BUMP_REF)==0) {
1681 AdjRefCount(msgid, +1);
1684 /* Return success. */
1685 if (msg != NULL) CtdlFreeMessage(msg);
1692 * Message base operation to send a message to the master file
1693 * (returns new message number)
1695 * This is the back end for CtdlSubmitMsg() and should not be directly
1696 * called by server-side modules.
1699 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1700 FILE *save_a_copy) /* save a copy to disk? */
1707 /* Get a new message number */
1708 newmsgid = get_new_message_number();
1709 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1711 /* Generate an ID if we don't have one already */
1712 if (msg->cm_fields['I']==NULL) {
1713 msg->cm_fields['I'] = strdoop(msgidbuf);
1716 serialize_message(&smr, msg);
1719 cprintf("%d Unable to serialize message\n",
1720 ERROR+INTERNAL_ERROR);
1724 /* Write our little bundle of joy into the message base */
1725 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1726 smr.ser, smr.len) < 0) {
1727 lprintf(2, "Can't store message\n");
1733 /* If the caller specified that a copy should be saved to a particular
1734 * file handle, do that now too.
1736 if (save_a_copy != NULL) {
1737 fwrite(smr.ser, smr.len, 1, save_a_copy);
1740 /* Free the memory we used for the serialized message */
1743 /* Return the *local* message ID to the caller
1744 * (even if we're storing an incoming network message)
1752 * Serialize a struct CtdlMessage into the format used on disk and network.
1754 * This function loads up a "struct ser_ret" (defined in server.h) which
1755 * contains the length of the serialized message and a pointer to the
1756 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1758 void serialize_message(struct ser_ret *ret, /* return values */
1759 struct CtdlMessage *msg) /* unserialized msg */
1763 static char *forder = FORDER;
1765 if (is_valid_message(msg) == 0) return; /* self check */
1768 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1769 ret->len = ret->len +
1770 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1772 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1773 ret->ser = mallok(ret->len);
1774 if (ret->ser == NULL) {
1780 ret->ser[1] = msg->cm_anon_type;
1781 ret->ser[2] = msg->cm_format_type;
1784 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1785 ret->ser[wlen++] = (char)forder[i];
1786 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1787 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1789 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1790 (long)ret->len, (long)wlen);
1798 * Back end for the ReplicationChecks() function
1800 void check_repl(long msgnum, void *userdata) {
1801 struct CtdlMessage *msg;
1802 time_t timestamp = (-1L);
1804 lprintf(9, "check_repl() found message %ld\n", msgnum);
1805 msg = CtdlFetchMessage(msgnum);
1806 if (msg == NULL) return;
1807 if (msg->cm_fields['T'] != NULL) {
1808 timestamp = atol(msg->cm_fields['T']);
1810 CtdlFreeMessage(msg);
1812 if (timestamp > msg_repl->highest) {
1813 msg_repl->highest = timestamp; /* newer! */
1814 lprintf(9, "newer!\n");
1817 lprintf(9, "older!\n");
1819 /* Existing isn't newer? Then delete the old one(s). */
1820 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1825 * Check to see if any messages already exist which carry the same Extended ID
1829 * -> With older timestamps: delete them and return 0. Message will be saved.
1830 * -> With newer timestamps: return 1. Message save will be aborted.
1832 int ReplicationChecks(struct CtdlMessage *msg) {
1833 struct CtdlMessage *template;
1836 lprintf(9, "ReplicationChecks() started\n");
1837 /* No extended id? Don't do anything. */
1838 if (msg->cm_fields['E'] == NULL) return 0;
1839 if (strlen(msg->cm_fields['E']) == 0) return 0;
1840 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1842 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1843 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1844 msg_repl->highest = atol(msg->cm_fields['T']);
1846 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1847 memset(template, 0, sizeof(struct CtdlMessage));
1848 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1850 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1852 /* If a newer message exists with the same Extended ID, abort
1855 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1859 CtdlFreeMessage(template);
1860 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1868 * Save a message to disk and submit it into the delivery system.
1870 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1871 struct recptypes *recps, /* recipients (if mail) */
1872 char *force /* force a particular room? */
1875 char hold_rm[ROOMNAMELEN];
1876 char actual_rm[ROOMNAMELEN];
1877 char force_room[ROOMNAMELEN];
1878 char content_type[SIZ]; /* We have to learn this */
1879 char recipient[SIZ];
1882 struct usersupp userbuf;
1884 struct MetaData smi;
1885 FILE *network_fp = NULL;
1886 static int seqnum = 1;
1887 struct CtdlMessage *imsg = NULL;
1890 char *hold_R, *hold_D;
1892 lprintf(9, "CtdlSubmitMsg() called\n");
1893 if (is_valid_message(msg) == 0) return(-1); /* self check */
1895 /* If this message has no timestamp, we take the liberty of
1896 * giving it one, right now.
1898 if (msg->cm_fields['T'] == NULL) {
1899 lprintf(9, "Generating timestamp\n");
1900 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1901 msg->cm_fields['T'] = strdoop(aaa);
1904 /* If this message has no path, we generate one.
1906 if (msg->cm_fields['P'] == NULL) {
1907 lprintf(9, "Generating path\n");
1908 if (msg->cm_fields['A'] != NULL) {
1909 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1910 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1911 if (isspace(msg->cm_fields['P'][a])) {
1912 msg->cm_fields['P'][a] = ' ';
1917 msg->cm_fields['P'] = strdoop("unknown");
1921 if (force == NULL) {
1922 strcpy(force_room, "");
1925 strcpy(force_room, force);
1928 /* Learn about what's inside, because it's what's inside that counts */
1929 lprintf(9, "Learning what's inside\n");
1930 if (msg->cm_fields['M'] == NULL) {
1931 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1934 switch (msg->cm_format_type) {
1936 strcpy(content_type, "text/x-citadel-variformat");
1939 strcpy(content_type, "text/plain");
1942 strcpy(content_type, "text/plain");
1943 /* advance past header fields */
1944 mptr = msg->cm_fields['M'];
1947 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1948 safestrncpy(content_type, mptr,
1949 sizeof(content_type));
1950 strcpy(content_type, &content_type[14]);
1951 for (a = 0; a < strlen(content_type); ++a)
1952 if ((content_type[a] == ';')
1953 || (content_type[a] == ' ')
1954 || (content_type[a] == 13)
1955 || (content_type[a] == 10))
1956 content_type[a] = 0;
1963 /* Goto the correct room */
1964 lprintf(9, "Switching rooms\n");
1965 strcpy(hold_rm, CC->quickroom.QRname);
1966 strcpy(actual_rm, CC->quickroom.QRname);
1967 if (recps != NULL) {
1968 strcpy(actual_rm, SENTITEMS);
1971 /* If the user is a twit, move to the twit room for posting */
1972 lprintf(9, "Handling twit stuff\n");
1974 if (CC->usersupp.axlevel == 2) {
1975 strcpy(hold_rm, actual_rm);
1976 strcpy(actual_rm, config.c_twitroom);
1980 /* ...or if this message is destined for Aide> then go there. */
1981 if (strlen(force_room) > 0) {
1982 strcpy(actual_rm, force_room);
1985 lprintf(9, "Possibly relocating\n");
1986 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1987 getroom(&CC->quickroom, actual_rm);
1991 * If this message has no O (room) field, generate one.
1993 if (msg->cm_fields['O'] == NULL) {
1994 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1997 /* Perform "before save" hooks (aborting if any return nonzero) */
1998 lprintf(9, "Performing before-save hooks\n");
1999 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
2001 /* If this message has an Extended ID, perform replication checks */
2002 lprintf(9, "Performing replication checks\n");
2003 if (ReplicationChecks(msg) > 0) return(-1);
2005 /* Save it to disk */
2006 lprintf(9, "Saving to disk\n");
2007 newmsgid = send_message(msg, NULL);
2008 if (newmsgid <= 0L) return(-1);
2010 /* Write a supplemental message info record. This doesn't have to
2011 * be a critical section because nobody else knows about this message
2014 lprintf(9, "Creating MetaData record\n");
2015 memset(&smi, 0, sizeof(struct MetaData));
2016 smi.meta_msgnum = newmsgid;
2017 smi.meta_refcount = 0;
2018 safestrncpy(smi.meta_content_type, content_type, 64);
2021 /* Now figure out where to store the pointers */
2022 lprintf(9, "Storing pointers\n");
2024 /* If this is being done by the networker delivering a private
2025 * message, we want to BYPASS saving the sender's copy (because there
2026 * is no local sender; it would otherwise go to the Trashcan).
2028 if ((!CC->internal_pgm) || (recps == NULL)) {
2029 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2030 lprintf(3, "ERROR saving message pointer!\n");
2031 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2035 /* For internet mail, drop a copy in the outbound queue room */
2037 if (recps->num_internet > 0) {
2038 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2041 /* If other rooms are specified, drop them there too. */
2043 if (recps->num_room > 0)
2044 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2045 extract(recipient, recps->recp_room, i);
2046 lprintf(9, "Delivering to local room <%s>\n", recipient);
2047 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2050 /* Bump this user's messages posted counter. */
2051 lprintf(9, "Updating user\n");
2052 lgetuser(&CC->usersupp, CC->curr_user);
2053 CC->usersupp.posted = CC->usersupp.posted + 1;
2054 lputuser(&CC->usersupp);
2056 /* If this is private, local mail, make a copy in the
2057 * recipient's mailbox and bump the reference count.
2060 if (recps->num_local > 0)
2061 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2062 extract(recipient, recps->recp_local, i);
2063 lprintf(9, "Delivering private local mail to <%s>\n",
2065 if (getuser(&userbuf, recipient) == 0) {
2066 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2067 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2068 BumpNewMailCounter(userbuf.usernum);
2071 lprintf(9, "No user <%s>\n", recipient);
2072 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2076 /* Perform "after save" hooks */
2077 lprintf(9, "Performing after-save hooks\n");
2078 PerformMessageHooks(msg, EVT_AFTERSAVE);
2080 /* For IGnet mail, we have to save a new copy into the spooler for
2081 * each recipient, with the R and D fields set to the recipient and
2082 * destination-node. This has two ugly side effects: all other
2083 * recipients end up being unlisted in this recipient's copy of the
2084 * message, and it has to deliver multiple messages to the same
2085 * node. We'll revisit this again in a year or so when everyone has
2086 * a network spool receiver that can handle the new style messages.
2089 if (recps->num_ignet > 0)
2090 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2091 extract(recipient, recps->recp_ignet, i);
2093 hold_R = msg->cm_fields['R'];
2094 hold_D = msg->cm_fields['D'];
2095 msg->cm_fields['R'] = mallok(SIZ);
2096 msg->cm_fields['D'] = mallok(SIZ);
2097 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2098 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2100 serialize_message(&smr, msg);
2102 snprintf(aaa, sizeof aaa,
2103 "./network/spoolin/netmail.%04lx.%04x.%04x",
2104 (long) getpid(), CC->cs_pid, ++seqnum);
2105 network_fp = fopen(aaa, "wb+");
2106 if (network_fp != NULL) {
2107 fwrite(smr.ser, smr.len, 1, network_fp);
2113 phree(msg->cm_fields['R']);
2114 phree(msg->cm_fields['D']);
2115 msg->cm_fields['R'] = hold_R;
2116 msg->cm_fields['D'] = hold_D;
2119 /* Go back to the room we started from */
2120 lprintf(9, "Returning to original room\n");
2121 if (strcasecmp(hold_rm, CC->quickroom.QRname))
2122 getroom(&CC->quickroom, hold_rm);
2124 /* For internet mail, generate delivery instructions.
2125 * Yes, this is recursive. Deal with it. Infinite recursion does
2126 * not happen because the delivery instructions message does not
2127 * contain a recipient.
2130 if (recps->num_internet > 0) {
2131 lprintf(9, "Generating delivery instructions\n");
2132 instr = mallok(SIZ * 2);
2133 snprintf(instr, SIZ * 2,
2134 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2136 SPOOLMIME, newmsgid, (long)time(NULL),
2137 msg->cm_fields['A'], msg->cm_fields['N']
2140 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2141 size_t tmp = strlen(instr);
2142 extract(recipient, recps->recp_internet, i);
2143 snprintf(&instr[tmp], SIZ * 2 - tmp,
2144 "remote|%s|0||\n", recipient);
2147 imsg = mallok(sizeof(struct CtdlMessage));
2148 memset(imsg, 0, sizeof(struct CtdlMessage));
2149 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2150 imsg->cm_anon_type = MES_NORMAL;
2151 imsg->cm_format_type = FMT_RFC822;
2152 imsg->cm_fields['A'] = strdoop("Citadel");
2153 imsg->cm_fields['M'] = instr;
2154 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2155 CtdlFreeMessage(imsg);
2164 * Convenience function for generating small administrative messages.
2166 void quickie_message(char *from, char *to, char *room, char *text,
2167 int format_type, char *subject)
2169 struct CtdlMessage *msg;
2170 struct recptypes *recp = NULL;
2172 msg = mallok(sizeof(struct CtdlMessage));
2173 memset(msg, 0, sizeof(struct CtdlMessage));
2174 msg->cm_magic = CTDLMESSAGE_MAGIC;
2175 msg->cm_anon_type = MES_NORMAL;
2176 msg->cm_format_type = format_type;
2177 msg->cm_fields['A'] = strdoop(from);
2178 if (room != NULL) msg->cm_fields['O'] = strdoop(room);
2179 msg->cm_fields['N'] = strdoop(NODENAME);
2181 msg->cm_fields['R'] = strdoop(to);
2182 recp = validate_recipients(to);
2184 if (subject != NULL) {
2185 msg->cm_fields['U'] = strdoop(subject);
2187 msg->cm_fields['M'] = strdoop(text);
2189 CtdlSubmitMsg(msg, recp, room);
2190 CtdlFreeMessage(msg);
2191 if (recp != NULL) phree(recp);
2197 * Back end function used by CtdlMakeMessage() and similar functions
2199 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2200 size_t maxlen, /* maximum message length */
2201 char *exist /* if non-null, append to it;
2202 exist is ALWAYS freed */
2206 size_t message_len = 0;
2207 size_t buffer_len = 0;
2211 if (exist == NULL) {
2218 message_len = strlen(exist);
2219 buffer_len = message_len + 4096;
2220 m = reallok(exist, buffer_len);
2227 /* flush the input if we have nowhere to store it */
2229 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2233 /* read in the lines of message text one by one */
2234 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2236 /* Measure the line and strip trailing newline characters */
2237 linelen = strlen(buf);
2238 if (linelen > 0) if (buf[linelen-1]==13) buf[linelen--]=0;
2239 if (linelen > 0) if (buf[linelen-1]==10) buf[linelen--]=0;
2241 /* augment the buffer if we have to */
2242 if ((message_len + linelen + 2) > buffer_len) {
2243 lprintf(9, "realloking\n");
2244 ptr = reallok(m, (buffer_len * 2) );
2245 if (ptr == NULL) { /* flush if can't allocate */
2246 while ( (client_gets(buf)>0) &&
2247 strcmp(buf, terminator)) ;;
2250 buffer_len = (buffer_len * 2);
2252 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2256 /* Add the new line to the buffer. NOTE: this loop must avoid
2257 * using functions like strcat() and strlen() because they
2258 * traverse the entire buffer upon every call, and doing that
2259 * for a multi-megabyte message slows it down beyond usability.
2261 strcpy(&m[message_len], buf);
2262 m[message_len + linelen] = '\n';
2263 m[message_len + linelen + 1] = 0;
2264 message_len = message_len + linelen + 1;
2266 /* if we've hit the max msg length, flush the rest */
2267 if (message_len >= maxlen) {
2268 while ( (client_gets(buf)>0)
2269 && strcmp(buf, terminator)) ;;
2280 * Build a binary message to be saved on disk.
2281 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2282 * will become part of the message. This means you are no longer
2283 * responsible for managing that memory -- it will be freed along with
2284 * the rest of the fields when CtdlFreeMessage() is called.)
2287 struct CtdlMessage *CtdlMakeMessage(
2288 struct usersupp *author, /* author's usersupp structure */
2289 char *recipient, /* NULL if it's not mail */
2290 char *room, /* room where it's going */
2291 int type, /* see MES_ types in header file */
2292 int format_type, /* variformat, plain text, MIME... */
2293 char *fake_name, /* who we're masquerading as */
2294 char *subject, /* Subject (optional) */
2295 char *preformatted_text /* ...or NULL to read text from client */
2297 char dest_node[SIZ];
2299 struct CtdlMessage *msg;
2301 msg = mallok(sizeof(struct CtdlMessage));
2302 memset(msg, 0, sizeof(struct CtdlMessage));
2303 msg->cm_magic = CTDLMESSAGE_MAGIC;
2304 msg->cm_anon_type = type;
2305 msg->cm_format_type = format_type;
2307 /* Don't confuse the poor folks if it's not routed mail. */
2308 strcpy(dest_node, "");
2312 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2313 msg->cm_fields['P'] = strdoop(buf);
2315 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2316 msg->cm_fields['T'] = strdoop(buf);
2318 if (fake_name[0]) /* author */
2319 msg->cm_fields['A'] = strdoop(fake_name);
2321 msg->cm_fields['A'] = strdoop(author->fullname);
2323 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2324 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2327 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2330 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2331 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2333 if (recipient[0] != 0) {
2334 msg->cm_fields['R'] = strdoop(recipient);
2336 if (dest_node[0] != 0) {
2337 msg->cm_fields['D'] = strdoop(dest_node);
2340 if ( (author == &CC->usersupp) && (strlen(CC->cs_inet_email) > 0) ) {
2341 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2344 if (subject != NULL) {
2346 if (strlen(subject) > 0) {
2347 msg->cm_fields['U'] = strdoop(subject);
2351 if (preformatted_text != NULL) {
2352 msg->cm_fields['M'] = preformatted_text;
2355 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2356 config.c_maxmsglen, NULL);
2364 * Check to see whether we have permission to post a message in the current
2365 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2366 * returns 0 on success.
2368 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2370 if (!(CC->logged_in)) {
2371 snprintf(errmsgbuf, n, "Not logged in.");
2372 return (ERROR + NOT_LOGGED_IN);
2375 if ((CC->usersupp.axlevel < 2)
2376 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2377 snprintf(errmsgbuf, n, "Need to be validated to enter "
2378 "(except in %s> to sysop)", MAILROOM);
2379 return (ERROR + HIGHER_ACCESS_REQUIRED);
2382 if ((CC->usersupp.axlevel < 4)
2383 && (CC->quickroom.QRflags & QR_NETWORK)) {
2384 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2385 return (ERROR + HIGHER_ACCESS_REQUIRED);
2388 if ((CC->usersupp.axlevel < 6)
2389 && (CC->quickroom.QRflags & QR_READONLY)) {
2390 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2391 return (ERROR + HIGHER_ACCESS_REQUIRED);
2394 strcpy(errmsgbuf, "Ok");
2400 * Check to see if the specified user has Internet mail permission
2401 * (returns nonzero if permission is granted)
2403 int CtdlCheckInternetMailPermission(struct usersupp *who) {
2405 /* Globally enabled? */
2406 if (config.c_restrict == 0) return(1);
2408 /* User flagged ok? */
2409 if (who->flags & US_INTERNET) return(2);
2411 /* Aide level access? */
2412 if (who->axlevel >= 6) return(3);
2414 /* No mail for you! */
2421 * Validate recipients, count delivery types and errors, and handle aliasing
2422 * FIXME check for dupes!!!!!
2424 struct recptypes *validate_recipients(char *recipients) {
2425 struct recptypes *ret;
2426 char this_recp[SIZ];
2427 char this_recp_cooked[SIZ];
2433 struct usersupp tempUS;
2434 struct quickroom tempQR;
2437 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2438 if (ret == NULL) return(NULL);
2439 memset(ret, 0, sizeof(struct recptypes));
2442 ret->num_internet = 0;
2447 if (recipients == NULL) {
2450 else if (strlen(recipients) == 0) {
2454 /* Change all valid separator characters to commas */
2455 for (i=0; i<strlen(recipients); ++i) {
2456 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2457 recipients[i] = ',';
2462 num_recps = num_tokens(recipients, ',');
2465 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2466 extract_token(this_recp, recipients, i, ',');
2468 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2469 mailtype = alias(this_recp);
2470 mailtype = alias(this_recp);
2471 mailtype = alias(this_recp);
2472 for (j=0; j<=strlen(this_recp); ++j) {
2473 if (this_recp[j]=='_') {
2474 this_recp_cooked[j] = ' ';
2477 this_recp_cooked[j] = this_recp[j];
2483 if (!strcasecmp(this_recp, "sysop")) {
2485 strcpy(this_recp, config.c_aideroom);
2486 if (strlen(ret->recp_room) > 0) {
2487 strcat(ret->recp_room, "|");
2489 strcat(ret->recp_room, this_recp);
2491 else if (getuser(&tempUS, this_recp) == 0) {
2493 strcpy(this_recp, tempUS.fullname);
2494 if (strlen(ret->recp_local) > 0) {
2495 strcat(ret->recp_local, "|");
2497 strcat(ret->recp_local, this_recp);
2499 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2501 strcpy(this_recp, tempUS.fullname);
2502 if (strlen(ret->recp_local) > 0) {
2503 strcat(ret->recp_local, "|");
2505 strcat(ret->recp_local, this_recp);
2507 else if ( (!strncasecmp(this_recp, "room_", 5))
2508 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2510 if (strlen(ret->recp_room) > 0) {
2511 strcat(ret->recp_room, "|");
2513 strcat(ret->recp_room, &this_recp_cooked[5]);
2521 ++ret->num_internet;
2522 if (strlen(ret->recp_internet) > 0) {
2523 strcat(ret->recp_internet, "|");
2525 strcat(ret->recp_internet, this_recp);
2529 if (strlen(ret->recp_ignet) > 0) {
2530 strcat(ret->recp_ignet, "|");
2532 strcat(ret->recp_ignet, this_recp);
2540 if (strlen(ret->errormsg) == 0) {
2541 snprintf(append, sizeof append,
2542 "Invalid recipient: %s",
2546 snprintf(append, sizeof append,
2549 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2550 strcat(ret->errormsg, append);
2554 if (strlen(ret->display_recp) == 0) {
2555 strcpy(append, this_recp);
2558 snprintf(append, sizeof append, ", %s",
2561 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2562 strcat(ret->display_recp, append);
2567 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2568 ret->num_room + ret->num_error) == 0) {
2570 strcpy(ret->errormsg, "No recipients specified.");
2573 lprintf(9, "validate_recipients()\n");
2574 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2575 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2576 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2577 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2578 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2586 * message entry - mode 0 (normal)
2588 void cmd_ent0(char *entargs)
2592 char masquerade_as[SIZ];
2594 int format_type = 0;
2595 char newusername[SIZ];
2596 struct CtdlMessage *msg;
2600 struct recptypes *valid = NULL;
2603 post = extract_int(entargs, 0);
2604 extract(recp, entargs, 1);
2605 anon_flag = extract_int(entargs, 2);
2606 format_type = extract_int(entargs, 3);
2607 extract(subject, entargs, 4);
2609 /* first check to make sure the request is valid. */
2611 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2613 cprintf("%d %s\n", err, errmsg);
2617 /* Check some other permission type things. */
2620 if (CC->usersupp.axlevel < 6) {
2621 cprintf("%d You don't have permission to masquerade.\n",
2622 ERROR + HIGHER_ACCESS_REQUIRED);
2625 extract(newusername, entargs, 5);
2626 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2627 safestrncpy(CC->fake_postname, newusername,
2628 sizeof(CC->fake_postname) );
2629 cprintf("%d ok\n", CIT_OK);
2632 CC->cs_flags |= CS_POSTING;
2634 /* In the Mail> room we have to behave a little differently --
2635 * make sure the user has specified at least one recipient. Then
2636 * validate the recipient(s).
2638 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2639 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2641 if (CC->usersupp.axlevel < 2) {
2642 strcpy(recp, "sysop");
2645 valid = validate_recipients(recp);
2646 if (valid->num_error > 0) {
2648 ERROR + NO_SUCH_USER, valid->errormsg);
2652 if (valid->num_internet > 0) {
2653 if (CtdlCheckInternetMailPermission(&CC->usersupp)==0) {
2654 cprintf("%d You do not have permission "
2655 "to send Internet mail.\n",
2656 ERROR + HIGHER_ACCESS_REQUIRED);
2662 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2663 && (CC->usersupp.axlevel < 4) ) {
2664 cprintf("%d Higher access required for network mail.\n",
2665 ERROR + HIGHER_ACCESS_REQUIRED);
2670 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2671 && ((CC->usersupp.flags & US_INTERNET) == 0)
2672 && (!CC->internal_pgm)) {
2673 cprintf("%d You don't have access to Internet mail.\n",
2674 ERROR + HIGHER_ACCESS_REQUIRED);
2681 /* Is this a room which has anonymous-only or anonymous-option? */
2682 anonymous = MES_NORMAL;
2683 if (CC->quickroom.QRflags & QR_ANONONLY) {
2684 anonymous = MES_ANONONLY;
2686 if (CC->quickroom.QRflags & QR_ANONOPT) {
2687 if (anon_flag == 1) { /* only if the user requested it */
2688 anonymous = MES_ANONOPT;
2692 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2696 /* If we're only checking the validity of the request, return
2697 * success without creating the message.
2700 cprintf("%d %s\n", CIT_OK,
2701 ((valid != NULL) ? valid->display_recp : "") );
2706 /* Handle author masquerading */
2707 if (CC->fake_postname[0]) {
2708 strcpy(masquerade_as, CC->fake_postname);
2710 else if (CC->fake_username[0]) {
2711 strcpy(masquerade_as, CC->fake_username);
2714 strcpy(masquerade_as, "");
2717 /* Read in the message from the client. */
2718 cprintf("%d send message\n", SEND_LISTING);
2719 msg = CtdlMakeMessage(&CC->usersupp, recp,
2720 CC->quickroom.QRname, anonymous, format_type,
2721 masquerade_as, subject, NULL);
2724 CtdlSubmitMsg(msg, valid, "");
2725 CtdlFreeMessage(msg);
2727 CC->fake_postname[0] = '\0';
2735 * API function to delete messages which match a set of criteria
2736 * (returns the actual number of messages deleted)
2738 int CtdlDeleteMessages(char *room_name, /* which room */
2739 long dmsgnum, /* or "0" for any */
2740 char *content_type /* or "" for any */
2744 struct quickroom qrbuf;
2745 struct cdbdata *cdbfr;
2746 long *msglist = NULL;
2747 long *dellist = NULL;
2750 int num_deleted = 0;
2752 struct MetaData smi;
2754 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2755 room_name, dmsgnum, content_type);
2757 /* get room record, obtaining a lock... */
2758 if (lgetroom(&qrbuf, room_name) != 0) {
2759 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2761 return (0); /* room not found */
2763 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2765 if (cdbfr != NULL) {
2766 msglist = mallok(cdbfr->len);
2767 dellist = mallok(cdbfr->len);
2768 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2769 num_msgs = cdbfr->len / sizeof(long);
2773 for (i = 0; i < num_msgs; ++i) {
2776 /* Set/clear a bit for each criterion */
2778 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2779 delete_this |= 0x01;
2781 if (strlen(content_type) == 0) {
2782 delete_this |= 0x02;
2784 GetMetaData(&smi, msglist[i]);
2785 if (!strcasecmp(smi.meta_content_type,
2787 delete_this |= 0x02;
2791 /* Delete message only if all bits are set */
2792 if (delete_this == 0x03) {
2793 dellist[num_deleted++] = msglist[i];
2798 num_msgs = sort_msglist(msglist, num_msgs);
2799 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2800 msglist, (num_msgs * sizeof(long)));
2802 qrbuf.QRhighest = msglist[num_msgs - 1];
2806 /* Go through the messages we pulled out of the index, and decrement
2807 * their reference counts by 1. If this is the only room the message
2808 * was in, the reference count will reach zero and the message will
2809 * automatically be deleted from the database. We do this in a
2810 * separate pass because there might be plug-in hooks getting called,
2811 * and we don't want that happening during an S_QUICKROOM critical
2814 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2815 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2816 AdjRefCount(dellist[i], -1);
2819 /* Now free the memory we used, and go away. */
2820 if (msglist != NULL) phree(msglist);
2821 if (dellist != NULL) phree(dellist);
2822 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2823 return (num_deleted);
2829 * Check whether the current user has permission to delete messages from
2830 * the current room (returns 1 for yes, 0 for no)
2832 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2833 getuser(&CC->usersupp, CC->curr_user);
2834 if ((CC->usersupp.axlevel < 6)
2835 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2836 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2837 && (!(CC->internal_pgm))) {
2846 * Delete message from current room
2848 void cmd_dele(char *delstr)
2853 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2854 cprintf("%d Higher access required.\n",
2855 ERROR + HIGHER_ACCESS_REQUIRED);
2858 delnum = extract_long(delstr, 0);
2860 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2863 cprintf("%d %d message%s deleted.\n", CIT_OK,
2864 num_deleted, ((num_deleted != 1) ? "s" : ""));
2866 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2872 * Back end API function for moves and deletes
2874 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2877 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2878 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2879 if (err != 0) return(err);
2887 * move or copy a message to another room
2889 void cmd_move(char *args)
2893 struct quickroom qtemp;
2897 num = extract_long(args, 0);
2898 extract(targ, args, 1);
2899 targ[ROOMNAMELEN - 1] = 0;
2900 is_copy = extract_int(args, 2);
2902 if (getroom(&qtemp, targ) != 0) {
2903 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2907 getuser(&CC->usersupp, CC->curr_user);
2908 /* Aides can move/copy */
2909 if ((CC->usersupp.axlevel < 6)
2910 /* Roomaides can move/copy */
2911 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2912 /* Permit move/copy to/from personal rooms */
2913 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2914 && (qtemp.QRflags & QR_MAILBOX)))
2915 /* Permit only copy from public to personal room */
2916 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2917 && (qtemp.QRflags & QR_MAILBOX)))) {
2918 cprintf("%d Higher access required.\n",
2919 ERROR + HIGHER_ACCESS_REQUIRED);
2923 err = CtdlCopyMsgToRoom(num, targ);
2925 cprintf("%d Cannot store message in %s: error %d\n",
2930 /* Now delete the message from the source room,
2931 * if this is a 'move' rather than a 'copy' operation.
2934 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2937 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2943 * GetMetaData() - Get the supplementary record for a message
2945 void GetMetaData(struct MetaData *smibuf, long msgnum)
2948 struct cdbdata *cdbsmi;
2951 memset(smibuf, 0, sizeof(struct MetaData));
2952 smibuf->meta_msgnum = msgnum;
2953 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2955 /* Use the negative of the message number for its supp record index */
2956 TheIndex = (0L - msgnum);
2958 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2959 if (cdbsmi == NULL) {
2960 return; /* record not found; go with defaults */
2962 memcpy(smibuf, cdbsmi->ptr,
2963 ((cdbsmi->len > sizeof(struct MetaData)) ?
2964 sizeof(struct MetaData) : cdbsmi->len));
2971 * PutMetaData() - (re)write supplementary record for a message
2973 void PutMetaData(struct MetaData *smibuf)
2977 /* Use the negative of the message number for the metadata db index */
2978 TheIndex = (0L - smibuf->meta_msgnum);
2980 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2981 smibuf->meta_msgnum, smibuf->meta_refcount);
2983 cdb_store(CDB_MSGMAIN,
2984 &TheIndex, sizeof(long),
2985 smibuf, sizeof(struct MetaData));
2990 * AdjRefCount - change the reference count for a message;
2991 * delete the message if it reaches zero
2993 void AdjRefCount(long msgnum, int incr)
2996 struct MetaData smi;
2999 /* This is a *tight* critical section; please keep it that way, as
3000 * it may get called while nested in other critical sections.
3001 * Complicating this any further will surely cause deadlock!
3003 begin_critical_section(S_SUPPMSGMAIN);
3004 GetMetaData(&smi, msgnum);
3005 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
3006 msgnum, smi.meta_refcount);
3007 smi.meta_refcount += incr;
3009 end_critical_section(S_SUPPMSGMAIN);
3010 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
3011 msgnum, smi.meta_refcount);
3013 /* If the reference count is now zero, delete the message
3014 * (and its supplementary record as well).
3016 if (smi.meta_refcount == 0) {
3017 lprintf(9, "Deleting message <%ld>\n", msgnum);
3019 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3021 /* We have to delete the metadata record too! */
3022 delnum = (0L - msgnum);
3023 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3028 * Write a generic object to this room
3030 * Note: this could be much more efficient. Right now we use two temporary
3031 * files, and still pull the message into memory as with all others.
3033 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3034 char *content_type, /* MIME type of this object */
3035 char *tempfilename, /* Where to fetch it from */
3036 struct usersupp *is_mailbox, /* Mailbox room? */
3037 int is_binary, /* Is encoding necessary? */
3038 int is_unique, /* Del others of this type? */
3039 unsigned int flags /* Internal save flags */
3044 struct quickroom qrbuf;
3045 char roomname[ROOMNAMELEN];
3046 struct CtdlMessage *msg;
3048 char *raw_message = NULL;
3049 char *encoded_message = NULL;
3050 off_t raw_length = 0;
3052 if (is_mailbox != NULL)
3053 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3055 safestrncpy(roomname, req_room, sizeof(roomname));
3056 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3059 fp = fopen(tempfilename, "rb");
3061 lprintf(5, "Cannot open %s: %s\n",
3062 tempfilename, strerror(errno));
3065 fseek(fp, 0L, SEEK_END);
3066 raw_length = ftell(fp);
3068 lprintf(9, "Raw length is %ld\n", (long)raw_length);
3070 raw_message = mallok((size_t)raw_length);
3071 fread(raw_message, (size_t)raw_length, 1, fp);
3075 encoded_message = mallok((size_t)
3076 (((raw_length * 134) / 100) + 4096 ) );
3079 encoded_message = mallok((size_t)(raw_length + 4096));
3082 sprintf(encoded_message, "Content-type: %s\n", content_type);
3085 sprintf(&encoded_message[strlen(encoded_message)],
3086 "Content-transfer-encoding: base64\n\n"
3090 sprintf(&encoded_message[strlen(encoded_message)],
3091 "Content-transfer-encoding: 7bit\n\n"
3097 &encoded_message[strlen(encoded_message)],
3103 raw_message[raw_length] = 0;
3105 &encoded_message[strlen(encoded_message)],
3113 lprintf(9, "Allocating\n");
3114 msg = mallok(sizeof(struct CtdlMessage));
3115 memset(msg, 0, sizeof(struct CtdlMessage));
3116 msg->cm_magic = CTDLMESSAGE_MAGIC;
3117 msg->cm_anon_type = MES_NORMAL;
3118 msg->cm_format_type = 4;
3119 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
3120 msg->cm_fields['O'] = strdoop(req_room);
3121 msg->cm_fields['N'] = strdoop(config.c_nodename);
3122 msg->cm_fields['H'] = strdoop(config.c_humannode);
3123 msg->cm_flags = flags;
3125 msg->cm_fields['M'] = encoded_message;
3127 /* Create the requested room if we have to. */
3128 if (getroom(&qrbuf, roomname) != 0) {
3129 create_room(roomname,
3130 ( (is_mailbox != NULL) ? 5 : 3 ),
3133 /* If the caller specified this object as unique, delete all
3134 * other objects of this type that are currently in the room.
3137 lprintf(9, "Deleted %d other msgs of this type\n",
3138 CtdlDeleteMessages(roomname, 0L, content_type));
3140 /* Now write the data */
3141 CtdlSubmitMsg(msg, NULL, roomname);
3142 CtdlFreeMessage(msg);
3150 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3151 config_msgnum = msgnum;
3155 char *CtdlGetSysConfig(char *sysconfname) {
3156 char hold_rm[ROOMNAMELEN];
3159 struct CtdlMessage *msg;
3162 strcpy(hold_rm, CC->quickroom.QRname);
3163 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
3164 getroom(&CC->quickroom, hold_rm);
3169 /* We want the last (and probably only) config in this room */
3170 begin_critical_section(S_CONFIG);
3171 config_msgnum = (-1L);
3172 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3173 CtdlGetSysConfigBackend, NULL);
3174 msgnum = config_msgnum;
3175 end_critical_section(S_CONFIG);
3181 msg = CtdlFetchMessage(msgnum);
3183 conf = strdoop(msg->cm_fields['M']);
3184 CtdlFreeMessage(msg);
3191 getroom(&CC->quickroom, hold_rm);
3193 if (conf != NULL) do {
3194 extract_token(buf, conf, 0, '\n');
3195 strcpy(conf, &conf[strlen(buf)+1]);
3196 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3201 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3202 char temp[PATH_MAX];
3205 strcpy(temp, tmpnam(NULL));
3207 fp = fopen(temp, "w");
3208 if (fp == NULL) return;
3209 fprintf(fp, "%s", sysconfdata);
3212 /* this handy API function does all the work for us */
3213 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3219 * Determine whether a given Internet address belongs to the current user
3221 int CtdlIsMe(char *addr) {
3222 struct recptypes *recp;
3225 recp = validate_recipients(addr);
3226 if (recp == NULL) return(0);
3228 if (recp->num_local == 0) {
3233 for (i=0; i<recp->num_local; ++i) {
3234 extract(addr, recp->recp_local, i);
3235 if (!strcasecmp(addr, CC->usersupp.fullname)) {
3247 * Citadel protocol command to do the same
3249 void cmd_isme(char *argbuf) {
3252 if (CtdlAccessCheck(ac_logged_in)) return;
3253 extract(addr, argbuf, 0);
3255 if (CtdlIsMe(addr)) {
3256 cprintf("%d %s\n", CIT_OK, addr);
3259 cprintf("%d Not you.\n", ERROR);