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 */
1319 /* end header processing loop ... at this point, we're in the text */
1321 mptr = TheMessage->cm_fields['M'];
1323 /* Tell the client about the MIME parts in this message */
1324 if (TheMessage->cm_format_type == FMT_RFC822) {
1325 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1326 mime_parser(mptr, NULL,
1332 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1333 /* FIXME ... we have to put some code in here to avoid
1334 * printing duplicate header information when both
1335 * Citadel and RFC822 headers exist. Preference should
1336 * probably be given to the RFC822 headers.
1338 while (ch=*(mptr++), ch!=0) {
1340 else if (ch==10) cprintf("%s", nl);
1341 else cprintf("%c", ch);
1343 if (do_proto) cprintf("000\n");
1348 if (headers_only == HEADERS_ONLY) {
1349 if (do_proto) cprintf("000\n");
1353 /* signify start of msg text */
1354 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1355 if (do_proto) cprintf("text\n");
1358 /* If the format type on disk is 1 (fixed-format), then we want
1359 * everything to be output completely literally ... regardless of
1360 * what message transfer format is in use.
1362 if (TheMessage->cm_format_type == FMT_FIXED) {
1363 if (mode == MT_MIME) {
1364 cprintf("Content-type: text/plain\n\n");
1367 while (ch = *mptr++, ch > 0) {
1370 if ((ch == 10) || (strlen(buf) > 250)) {
1371 cprintf("%s%s", buf, nl);
1374 buf[strlen(buf) + 1] = 0;
1375 buf[strlen(buf)] = ch;
1378 if (strlen(buf) > 0)
1379 cprintf("%s%s", buf, nl);
1382 /* If the message on disk is format 0 (Citadel vari-format), we
1383 * output using the formatter at 80 columns. This is the final output
1384 * form if the transfer format is RFC822, but if the transfer format
1385 * is Citadel proprietary, it'll still work, because the indentation
1386 * for new paragraphs is correct and the client will reformat the
1387 * message to the reader's screen width.
1389 if (TheMessage->cm_format_type == FMT_CITADEL) {
1390 if (mode == MT_MIME) {
1391 cprintf("Content-type: text/x-citadel-variformat\n\n");
1393 memfmout(80, mptr, 0, nl);
1396 /* If the message on disk is format 4 (MIME), we've gotta hand it
1397 * off to the MIME parser. The client has already been told that
1398 * this message is format 1 (fixed format), so the callback function
1399 * we use will display those parts as-is.
1401 if (TheMessage->cm_format_type == FMT_RFC822) {
1402 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1403 memset(ma, 0, sizeof(struct ma_info));
1405 if (mode == MT_MIME) {
1406 strcpy(ma->chosen_part, "1");
1407 mime_parser(mptr, NULL,
1408 *choose_preferred, *fixed_output_pre,
1409 *fixed_output_post, NULL, 0);
1410 mime_parser(mptr, NULL,
1411 *output_preferred, NULL, NULL, NULL, 0);
1414 mime_parser(mptr, NULL,
1415 *fixed_output, *fixed_output_pre,
1416 *fixed_output_post, NULL, 0);
1420 /* now we're done */
1421 if (do_proto) cprintf("000\n");
1428 * display a message (mode 0 - Citadel proprietary)
1430 void cmd_msg0(char *cmdbuf)
1433 int headers_only = HEADERS_ALL;
1435 msgid = extract_long(cmdbuf, 0);
1436 headers_only = extract_int(cmdbuf, 1);
1438 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1444 * display a message (mode 2 - RFC822)
1446 void cmd_msg2(char *cmdbuf)
1449 int headers_only = HEADERS_ALL;
1451 msgid = extract_long(cmdbuf, 0);
1452 headers_only = extract_int(cmdbuf, 1);
1454 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1460 * display a message (mode 3 - IGnet raw format - internal programs only)
1462 void cmd_msg3(char *cmdbuf)
1465 struct CtdlMessage *msg;
1468 if (CC->internal_pgm == 0) {
1469 cprintf("%d This command is for internal programs only.\n",
1474 msgnum = extract_long(cmdbuf, 0);
1475 msg = CtdlFetchMessage(msgnum);
1477 cprintf("%d Message %ld not found.\n",
1482 serialize_message(&smr, msg);
1483 CtdlFreeMessage(msg);
1486 cprintf("%d Unable to serialize message\n",
1487 ERROR+INTERNAL_ERROR);
1491 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1492 client_write(smr.ser, smr.len);
1499 * Display a message using MIME content types
1501 void cmd_msg4(char *cmdbuf)
1505 msgid = extract_long(cmdbuf, 0);
1506 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1512 * Client tells us its preferred message format(s)
1514 void cmd_msgp(char *cmdbuf)
1516 safestrncpy(CC->preferred_formats, cmdbuf,
1517 sizeof(CC->preferred_formats));
1518 cprintf("%d ok\n", CIT_OK);
1523 * Open a component of a MIME message as a download file
1525 void cmd_opna(char *cmdbuf)
1529 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1531 msgid = extract_long(cmdbuf, 0);
1532 extract(desired_section, cmdbuf, 1);
1534 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1539 * Save a message pointer into a specified room
1540 * (Returns 0 for success, nonzero for failure)
1541 * roomname may be NULL to use the current room
1543 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1545 char hold_rm[ROOMNAMELEN];
1546 struct cdbdata *cdbfr;
1549 long highest_msg = 0L;
1550 struct CtdlMessage *msg = NULL;
1552 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1553 roomname, msgid, flags);
1555 strcpy(hold_rm, CC->quickroom.QRname);
1557 /* We may need to check to see if this message is real */
1558 if ( (flags & SM_VERIFY_GOODNESS)
1559 || (flags & SM_DO_REPL_CHECK)
1561 msg = CtdlFetchMessage(msgid);
1562 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1565 /* Perform replication checks if necessary */
1566 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1568 if (getroom(&CC->quickroom,
1569 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1571 lprintf(9, "No such room <%s>\n", roomname);
1572 if (msg != NULL) CtdlFreeMessage(msg);
1573 return(ERROR + ROOM_NOT_FOUND);
1576 if (ReplicationChecks(msg) != 0) {
1577 getroom(&CC->quickroom, hold_rm);
1578 if (msg != NULL) CtdlFreeMessage(msg);
1579 lprintf(9, "Did replication, and newer exists\n");
1584 /* Now the regular stuff */
1585 if (lgetroom(&CC->quickroom,
1586 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1588 lprintf(9, "No such room <%s>\n", roomname);
1589 if (msg != NULL) CtdlFreeMessage(msg);
1590 return(ERROR + ROOM_NOT_FOUND);
1593 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1594 if (cdbfr == NULL) {
1598 msglist = mallok(cdbfr->len);
1599 if (msglist == NULL)
1600 lprintf(3, "ERROR malloc msglist!\n");
1601 num_msgs = cdbfr->len / sizeof(long);
1602 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1607 /* Make sure the message doesn't already exist in this room. It
1608 * is absolutely taboo to have more than one reference to the same
1609 * message in a room.
1611 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1612 if (msglist[i] == msgid) {
1613 lputroom(&CC->quickroom); /* unlock the room */
1614 getroom(&CC->quickroom, hold_rm);
1615 if (msg != NULL) CtdlFreeMessage(msg);
1616 return(ERROR + ALREADY_EXISTS);
1620 /* Now add the new message */
1622 msglist = reallok(msglist,
1623 (num_msgs * sizeof(long)));
1625 if (msglist == NULL) {
1626 lprintf(3, "ERROR: can't realloc message list!\n");
1628 msglist[num_msgs - 1] = msgid;
1630 /* Sort the message list, so all the msgid's are in order */
1631 num_msgs = sort_msglist(msglist, num_msgs);
1633 /* Determine the highest message number */
1634 highest_msg = msglist[num_msgs - 1];
1636 /* Write it back to disk. */
1637 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1638 msglist, num_msgs * sizeof(long));
1640 /* Free up the memory we used. */
1643 /* Update the highest-message pointer and unlock the room. */
1644 CC->quickroom.QRhighest = highest_msg;
1645 lputroom(&CC->quickroom);
1646 getroom(&CC->quickroom, hold_rm);
1648 /* Bump the reference count for this message. */
1649 if ((flags & SM_DONT_BUMP_REF)==0) {
1650 AdjRefCount(msgid, +1);
1653 /* Return success. */
1654 if (msg != NULL) CtdlFreeMessage(msg);
1661 * Message base operation to send a message to the master file
1662 * (returns new message number)
1664 * This is the back end for CtdlSubmitMsg() and should not be directly
1665 * called by server-side modules.
1668 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1669 FILE *save_a_copy) /* save a copy to disk? */
1676 /* Get a new message number */
1677 newmsgid = get_new_message_number();
1678 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1680 /* Generate an ID if we don't have one already */
1681 if (msg->cm_fields['I']==NULL) {
1682 msg->cm_fields['I'] = strdoop(msgidbuf);
1685 serialize_message(&smr, msg);
1688 cprintf("%d Unable to serialize message\n",
1689 ERROR+INTERNAL_ERROR);
1693 /* Write our little bundle of joy into the message base */
1694 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1695 smr.ser, smr.len) < 0) {
1696 lprintf(2, "Can't store message\n");
1702 /* If the caller specified that a copy should be saved to a particular
1703 * file handle, do that now too.
1705 if (save_a_copy != NULL) {
1706 fwrite(smr.ser, smr.len, 1, save_a_copy);
1709 /* Free the memory we used for the serialized message */
1712 /* Return the *local* message ID to the caller
1713 * (even if we're storing an incoming network message)
1721 * Serialize a struct CtdlMessage into the format used on disk and network.
1723 * This function loads up a "struct ser_ret" (defined in server.h) which
1724 * contains the length of the serialized message and a pointer to the
1725 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1727 void serialize_message(struct ser_ret *ret, /* return values */
1728 struct CtdlMessage *msg) /* unserialized msg */
1732 static char *forder = FORDER;
1734 if (is_valid_message(msg) == 0) return; /* self check */
1737 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1738 ret->len = ret->len +
1739 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1741 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1742 ret->ser = mallok(ret->len);
1743 if (ret->ser == NULL) {
1749 ret->ser[1] = msg->cm_anon_type;
1750 ret->ser[2] = msg->cm_format_type;
1753 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1754 ret->ser[wlen++] = (char)forder[i];
1755 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1756 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1758 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1759 (long)ret->len, (long)wlen);
1767 * Back end for the ReplicationChecks() function
1769 void check_repl(long msgnum, void *userdata) {
1770 struct CtdlMessage *msg;
1771 time_t timestamp = (-1L);
1773 lprintf(9, "check_repl() found message %ld\n", msgnum);
1774 msg = CtdlFetchMessage(msgnum);
1775 if (msg == NULL) return;
1776 if (msg->cm_fields['T'] != NULL) {
1777 timestamp = atol(msg->cm_fields['T']);
1779 CtdlFreeMessage(msg);
1781 if (timestamp > msg_repl->highest) {
1782 msg_repl->highest = timestamp; /* newer! */
1783 lprintf(9, "newer!\n");
1786 lprintf(9, "older!\n");
1788 /* Existing isn't newer? Then delete the old one(s). */
1789 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1794 * Check to see if any messages already exist which carry the same Extended ID
1798 * -> With older timestamps: delete them and return 0. Message will be saved.
1799 * -> With newer timestamps: return 1. Message save will be aborted.
1801 int ReplicationChecks(struct CtdlMessage *msg) {
1802 struct CtdlMessage *template;
1805 lprintf(9, "ReplicationChecks() started\n");
1806 /* No extended id? Don't do anything. */
1807 if (msg->cm_fields['E'] == NULL) return 0;
1808 if (strlen(msg->cm_fields['E']) == 0) return 0;
1809 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1811 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1812 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1813 msg_repl->highest = atol(msg->cm_fields['T']);
1815 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1816 memset(template, 0, sizeof(struct CtdlMessage));
1817 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1819 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1821 /* If a newer message exists with the same Extended ID, abort
1824 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1828 CtdlFreeMessage(template);
1829 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1837 * Save a message to disk and submit it into the delivery system.
1839 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1840 struct recptypes *recps, /* recipients (if mail) */
1841 char *force /* force a particular room? */
1844 char hold_rm[ROOMNAMELEN];
1845 char actual_rm[ROOMNAMELEN];
1846 char force_room[ROOMNAMELEN];
1847 char content_type[SIZ]; /* We have to learn this */
1848 char recipient[SIZ];
1851 struct usersupp userbuf;
1853 struct MetaData smi;
1854 FILE *network_fp = NULL;
1855 static int seqnum = 1;
1856 struct CtdlMessage *imsg = NULL;
1859 char *hold_R, *hold_D;
1861 lprintf(9, "CtdlSubmitMsg() called\n");
1862 if (is_valid_message(msg) == 0) return(-1); /* self check */
1864 /* If this message has no timestamp, we take the liberty of
1865 * giving it one, right now.
1867 if (msg->cm_fields['T'] == NULL) {
1868 lprintf(9, "Generating timestamp\n");
1869 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1870 msg->cm_fields['T'] = strdoop(aaa);
1873 /* If this message has no path, we generate one.
1875 if (msg->cm_fields['P'] == NULL) {
1876 lprintf(9, "Generating path\n");
1877 if (msg->cm_fields['A'] != NULL) {
1878 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1879 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1880 if (isspace(msg->cm_fields['P'][a])) {
1881 msg->cm_fields['P'][a] = ' ';
1886 msg->cm_fields['P'] = strdoop("unknown");
1890 if (force == NULL) {
1891 strcpy(force_room, "");
1894 strcpy(force_room, force);
1897 /* Learn about what's inside, because it's what's inside that counts */
1898 lprintf(9, "Learning what's inside\n");
1899 if (msg->cm_fields['M'] == NULL) {
1900 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1903 switch (msg->cm_format_type) {
1905 strcpy(content_type, "text/x-citadel-variformat");
1908 strcpy(content_type, "text/plain");
1911 strcpy(content_type, "text/plain");
1912 /* advance past header fields */
1913 mptr = msg->cm_fields['M'];
1916 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1917 safestrncpy(content_type, mptr,
1918 sizeof(content_type));
1919 strcpy(content_type, &content_type[14]);
1920 for (a = 0; a < strlen(content_type); ++a)
1921 if ((content_type[a] == ';')
1922 || (content_type[a] == ' ')
1923 || (content_type[a] == 13)
1924 || (content_type[a] == 10))
1925 content_type[a] = 0;
1932 /* Goto the correct room */
1933 lprintf(9, "Switching rooms\n");
1934 strcpy(hold_rm, CC->quickroom.QRname);
1935 strcpy(actual_rm, CC->quickroom.QRname);
1936 if (recps != NULL) {
1937 strcpy(actual_rm, SENTITEMS);
1940 /* If the user is a twit, move to the twit room for posting */
1941 lprintf(9, "Handling twit stuff\n");
1943 if (CC->usersupp.axlevel == 2) {
1944 strcpy(hold_rm, actual_rm);
1945 strcpy(actual_rm, config.c_twitroom);
1949 /* ...or if this message is destined for Aide> then go there. */
1950 if (strlen(force_room) > 0) {
1951 strcpy(actual_rm, force_room);
1954 lprintf(9, "Possibly relocating\n");
1955 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1956 getroom(&CC->quickroom, actual_rm);
1960 * If this message has no O (room) field, generate one.
1962 if (msg->cm_fields['O'] == NULL) {
1963 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1966 /* Perform "before save" hooks (aborting if any return nonzero) */
1967 lprintf(9, "Performing before-save hooks\n");
1968 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1970 /* If this message has an Extended ID, perform replication checks */
1971 lprintf(9, "Performing replication checks\n");
1972 if (ReplicationChecks(msg) > 0) return(-1);
1974 /* Save it to disk */
1975 lprintf(9, "Saving to disk\n");
1976 newmsgid = send_message(msg, NULL);
1977 if (newmsgid <= 0L) return(-1);
1979 /* Write a supplemental message info record. This doesn't have to
1980 * be a critical section because nobody else knows about this message
1983 lprintf(9, "Creating MetaData record\n");
1984 memset(&smi, 0, sizeof(struct MetaData));
1985 smi.meta_msgnum = newmsgid;
1986 smi.meta_refcount = 0;
1987 safestrncpy(smi.meta_content_type, content_type, 64);
1990 /* Now figure out where to store the pointers */
1991 lprintf(9, "Storing pointers\n");
1993 /* If this is being done by the networker delivering a private
1994 * message, we want to BYPASS saving the sender's copy (because there
1995 * is no local sender; it would otherwise go to the Trashcan).
1997 if ((!CC->internal_pgm) || (recps == NULL)) {
1998 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
1999 lprintf(3, "ERROR saving message pointer!\n");
2000 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2004 /* For internet mail, drop a copy in the outbound queue room */
2006 if (recps->num_internet > 0) {
2007 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2010 /* If other rooms are specified, drop them there too. */
2012 if (recps->num_room > 0)
2013 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2014 extract(recipient, recps->recp_room, i);
2015 lprintf(9, "Delivering to local room <%s>\n", recipient);
2016 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2019 /* Bump this user's messages posted counter. */
2020 lprintf(9, "Updating user\n");
2021 lgetuser(&CC->usersupp, CC->curr_user);
2022 CC->usersupp.posted = CC->usersupp.posted + 1;
2023 lputuser(&CC->usersupp);
2025 /* If this is private, local mail, make a copy in the
2026 * recipient's mailbox and bump the reference count.
2029 if (recps->num_local > 0)
2030 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2031 extract(recipient, recps->recp_local, i);
2032 lprintf(9, "Delivering private local mail to <%s>\n",
2034 if (getuser(&userbuf, recipient) == 0) {
2035 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2036 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2037 BumpNewMailCounter(userbuf.usernum);
2040 lprintf(9, "No user <%s>\n", recipient);
2041 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2045 /* Perform "after save" hooks */
2046 lprintf(9, "Performing after-save hooks\n");
2047 PerformMessageHooks(msg, EVT_AFTERSAVE);
2049 /* For IGnet mail, we have to save a new copy into the spooler for
2050 * each recipient, with the R and D fields set to the recipient and
2051 * destination-node. This has two ugly side effects: all other
2052 * recipients end up being unlisted in this recipient's copy of the
2053 * message, and it has to deliver multiple messages to the same
2054 * node. We'll revisit this again in a year or so when everyone has
2055 * a network spool receiver that can handle the new style messages.
2058 if (recps->num_ignet > 0)
2059 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2060 extract(recipient, recps->recp_ignet, i);
2062 hold_R = msg->cm_fields['R'];
2063 hold_D = msg->cm_fields['D'];
2064 msg->cm_fields['R'] = mallok(SIZ);
2065 msg->cm_fields['D'] = mallok(SIZ);
2066 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2067 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2069 serialize_message(&smr, msg);
2071 snprintf(aaa, sizeof aaa,
2072 "./network/spoolin/netmail.%04lx.%04x.%04x",
2073 (long) getpid(), CC->cs_pid, ++seqnum);
2074 network_fp = fopen(aaa, "wb+");
2075 if (network_fp != NULL) {
2076 fwrite(smr.ser, smr.len, 1, network_fp);
2082 phree(msg->cm_fields['R']);
2083 phree(msg->cm_fields['D']);
2084 msg->cm_fields['R'] = hold_R;
2085 msg->cm_fields['D'] = hold_D;
2088 /* Go back to the room we started from */
2089 lprintf(9, "Returning to original room\n");
2090 if (strcasecmp(hold_rm, CC->quickroom.QRname))
2091 getroom(&CC->quickroom, hold_rm);
2093 /* For internet mail, generate delivery instructions.
2094 * Yes, this is recursive. Deal with it. Infinite recursion does
2095 * not happen because the delivery instructions message does not
2096 * contain a recipient.
2099 if (recps->num_internet > 0) {
2100 lprintf(9, "Generating delivery instructions\n");
2101 instr = mallok(SIZ * 2);
2102 snprintf(instr, SIZ * 2,
2103 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2105 SPOOLMIME, newmsgid, (long)time(NULL),
2106 msg->cm_fields['A'], msg->cm_fields['N']
2109 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2110 size_t tmp = strlen(instr);
2111 extract(recipient, recps->recp_internet, i);
2112 snprintf(&instr[tmp], SIZ * 2 - tmp,
2113 "remote|%s|0||\n", recipient);
2116 imsg = mallok(sizeof(struct CtdlMessage));
2117 memset(imsg, 0, sizeof(struct CtdlMessage));
2118 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2119 imsg->cm_anon_type = MES_NORMAL;
2120 imsg->cm_format_type = FMT_RFC822;
2121 imsg->cm_fields['A'] = strdoop("Citadel");
2122 imsg->cm_fields['M'] = instr;
2123 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2124 CtdlFreeMessage(imsg);
2133 * Convenience function for generating small administrative messages.
2135 void quickie_message(char *from, char *to, char *room, char *text,
2136 int format_type, char *subject)
2138 struct CtdlMessage *msg;
2139 struct recptypes *recp = NULL;
2141 msg = mallok(sizeof(struct CtdlMessage));
2142 memset(msg, 0, sizeof(struct CtdlMessage));
2143 msg->cm_magic = CTDLMESSAGE_MAGIC;
2144 msg->cm_anon_type = MES_NORMAL;
2145 msg->cm_format_type = format_type;
2146 msg->cm_fields['A'] = strdoop(from);
2147 if (room != NULL) msg->cm_fields['O'] = strdoop(room);
2148 msg->cm_fields['N'] = strdoop(NODENAME);
2150 msg->cm_fields['R'] = strdoop(to);
2151 recp = validate_recipients(to);
2153 if (subject != NULL) {
2154 msg->cm_fields['U'] = strdoop(subject);
2156 msg->cm_fields['M'] = strdoop(text);
2158 CtdlSubmitMsg(msg, recp, room);
2159 CtdlFreeMessage(msg);
2160 if (recp != NULL) phree(recp);
2166 * Back end function used by CtdlMakeMessage() and similar functions
2168 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2169 size_t maxlen, /* maximum message length */
2170 char *exist /* if non-null, append to it;
2171 exist is ALWAYS freed */
2175 size_t message_len = 0;
2176 size_t buffer_len = 0;
2180 if (exist == NULL) {
2187 message_len = strlen(exist);
2188 buffer_len = message_len + 4096;
2189 m = reallok(exist, buffer_len);
2196 /* flush the input if we have nowhere to store it */
2198 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2202 /* read in the lines of message text one by one */
2203 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2205 /* Measure the line and strip trailing newline characters */
2206 linelen = strlen(buf);
2207 if (linelen > 0) if (buf[linelen-1]==13) buf[linelen--]=0;
2208 if (linelen > 0) if (buf[linelen-1]==10) buf[linelen--]=0;
2210 /* augment the buffer if we have to */
2211 if ((message_len + linelen + 2) > buffer_len) {
2212 lprintf(9, "realloking\n");
2213 ptr = reallok(m, (buffer_len * 2) );
2214 if (ptr == NULL) { /* flush if can't allocate */
2215 while ( (client_gets(buf)>0) &&
2216 strcmp(buf, terminator)) ;;
2219 buffer_len = (buffer_len * 2);
2221 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2225 /* Add the new line to the buffer. NOTE: this loop must avoid
2226 * using functions like strcat() and strlen() because they
2227 * traverse the entire buffer upon every call, and doing that
2228 * for a multi-megabyte message slows it down beyond usability.
2230 strcpy(&m[message_len], buf);
2231 m[message_len + linelen] = '\n';
2232 m[message_len + linelen + 1] = 0;
2233 message_len = message_len + linelen + 1;
2235 /* if we've hit the max msg length, flush the rest */
2236 if (message_len >= maxlen) {
2237 while ( (client_gets(buf)>0)
2238 && strcmp(buf, terminator)) ;;
2249 * Build a binary message to be saved on disk.
2250 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2251 * will become part of the message. This means you are no longer
2252 * responsible for managing that memory -- it will be freed along with
2253 * the rest of the fields when CtdlFreeMessage() is called.)
2256 struct CtdlMessage *CtdlMakeMessage(
2257 struct usersupp *author, /* author's usersupp structure */
2258 char *recipient, /* NULL if it's not mail */
2259 char *room, /* room where it's going */
2260 int type, /* see MES_ types in header file */
2261 int format_type, /* variformat, plain text, MIME... */
2262 char *fake_name, /* who we're masquerading as */
2263 char *subject, /* Subject (optional) */
2264 char *preformatted_text /* ...or NULL to read text from client */
2266 char dest_node[SIZ];
2268 struct CtdlMessage *msg;
2270 msg = mallok(sizeof(struct CtdlMessage));
2271 memset(msg, 0, sizeof(struct CtdlMessage));
2272 msg->cm_magic = CTDLMESSAGE_MAGIC;
2273 msg->cm_anon_type = type;
2274 msg->cm_format_type = format_type;
2276 /* Don't confuse the poor folks if it's not routed mail. */
2277 strcpy(dest_node, "");
2281 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2282 msg->cm_fields['P'] = strdoop(buf);
2284 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2285 msg->cm_fields['T'] = strdoop(buf);
2287 if (fake_name[0]) /* author */
2288 msg->cm_fields['A'] = strdoop(fake_name);
2290 msg->cm_fields['A'] = strdoop(author->fullname);
2292 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2293 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2296 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2299 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2300 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2302 if (recipient[0] != 0) {
2303 msg->cm_fields['R'] = strdoop(recipient);
2305 if (dest_node[0] != 0) {
2306 msg->cm_fields['D'] = strdoop(dest_node);
2309 if ( (author == &CC->usersupp) && (strlen(CC->cs_inet_email) > 0) ) {
2310 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2313 if (subject != NULL) {
2315 if (strlen(subject) > 0) {
2316 msg->cm_fields['U'] = strdoop(subject);
2320 if (preformatted_text != NULL) {
2321 msg->cm_fields['M'] = preformatted_text;
2324 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2325 config.c_maxmsglen, NULL);
2333 * Check to see whether we have permission to post a message in the current
2334 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2335 * returns 0 on success.
2337 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2339 if (!(CC->logged_in)) {
2340 snprintf(errmsgbuf, n, "Not logged in.");
2341 return (ERROR + NOT_LOGGED_IN);
2344 if ((CC->usersupp.axlevel < 2)
2345 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2346 snprintf(errmsgbuf, n, "Need to be validated to enter "
2347 "(except in %s> to sysop)", MAILROOM);
2348 return (ERROR + HIGHER_ACCESS_REQUIRED);
2351 if ((CC->usersupp.axlevel < 4)
2352 && (CC->quickroom.QRflags & QR_NETWORK)) {
2353 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2354 return (ERROR + HIGHER_ACCESS_REQUIRED);
2357 if ((CC->usersupp.axlevel < 6)
2358 && (CC->quickroom.QRflags & QR_READONLY)) {
2359 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2360 return (ERROR + HIGHER_ACCESS_REQUIRED);
2363 strcpy(errmsgbuf, "Ok");
2369 * Check to see if the specified user has Internet mail permission
2370 * (returns nonzero if permission is granted)
2372 int CtdlCheckInternetMailPermission(struct usersupp *who) {
2374 /* Globally enabled? */
2375 if (config.c_restrict == 0) return(1);
2377 /* User flagged ok? */
2378 if (who->flags & US_INTERNET) return(2);
2380 /* Aide level access? */
2381 if (who->axlevel >= 6) return(3);
2383 /* No mail for you! */
2390 * Validate recipients, count delivery types and errors, and handle aliasing
2391 * FIXME check for dupes!!!!!
2393 struct recptypes *validate_recipients(char *recipients) {
2394 struct recptypes *ret;
2395 char this_recp[SIZ];
2396 char this_recp_cooked[SIZ];
2402 struct usersupp tempUS;
2403 struct quickroom tempQR;
2406 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2407 if (ret == NULL) return(NULL);
2408 memset(ret, 0, sizeof(struct recptypes));
2411 ret->num_internet = 0;
2416 if (recipients == NULL) {
2419 else if (strlen(recipients) == 0) {
2423 /* Change all valid separator characters to commas */
2424 for (i=0; i<strlen(recipients); ++i) {
2425 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2426 recipients[i] = ',';
2431 num_recps = num_tokens(recipients, ',');
2434 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2435 extract_token(this_recp, recipients, i, ',');
2437 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2438 mailtype = alias(this_recp);
2439 mailtype = alias(this_recp);
2440 mailtype = alias(this_recp);
2441 for (j=0; j<=strlen(this_recp); ++j) {
2442 if (this_recp[j]=='_') {
2443 this_recp_cooked[j] = ' ';
2446 this_recp_cooked[j] = this_recp[j];
2452 if (!strcasecmp(this_recp, "sysop")) {
2454 strcpy(this_recp, config.c_aideroom);
2455 if (strlen(ret->recp_room) > 0) {
2456 strcat(ret->recp_room, "|");
2458 strcat(ret->recp_room, this_recp);
2460 else if (getuser(&tempUS, this_recp) == 0) {
2462 strcpy(this_recp, tempUS.fullname);
2463 if (strlen(ret->recp_local) > 0) {
2464 strcat(ret->recp_local, "|");
2466 strcat(ret->recp_local, this_recp);
2468 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2470 strcpy(this_recp, tempUS.fullname);
2471 if (strlen(ret->recp_local) > 0) {
2472 strcat(ret->recp_local, "|");
2474 strcat(ret->recp_local, this_recp);
2476 else if ( (!strncasecmp(this_recp, "room_", 5))
2477 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2479 if (strlen(ret->recp_room) > 0) {
2480 strcat(ret->recp_room, "|");
2482 strcat(ret->recp_room, &this_recp_cooked[5]);
2490 ++ret->num_internet;
2491 if (strlen(ret->recp_internet) > 0) {
2492 strcat(ret->recp_internet, "|");
2494 strcat(ret->recp_internet, this_recp);
2498 if (strlen(ret->recp_ignet) > 0) {
2499 strcat(ret->recp_ignet, "|");
2501 strcat(ret->recp_ignet, this_recp);
2509 if (strlen(ret->errormsg) == 0) {
2510 snprintf(append, sizeof append,
2511 "Invalid recipient: %s",
2515 snprintf(append, sizeof append,
2518 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2519 strcat(ret->errormsg, append);
2523 if (strlen(ret->display_recp) == 0) {
2524 strcpy(append, this_recp);
2527 snprintf(append, sizeof append, ", %s",
2530 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2531 strcat(ret->display_recp, append);
2536 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2537 ret->num_room + ret->num_error) == 0) {
2539 strcpy(ret->errormsg, "No recipients specified.");
2542 lprintf(9, "validate_recipients()\n");
2543 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2544 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2545 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2546 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2547 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2555 * message entry - mode 0 (normal)
2557 void cmd_ent0(char *entargs)
2561 char masquerade_as[SIZ];
2563 int format_type = 0;
2564 char newusername[SIZ];
2565 struct CtdlMessage *msg;
2569 struct recptypes *valid = NULL;
2572 post = extract_int(entargs, 0);
2573 extract(recp, entargs, 1);
2574 anon_flag = extract_int(entargs, 2);
2575 format_type = extract_int(entargs, 3);
2576 extract(subject, entargs, 4);
2578 /* first check to make sure the request is valid. */
2580 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2582 cprintf("%d %s\n", err, errmsg);
2586 /* Check some other permission type things. */
2589 if (CC->usersupp.axlevel < 6) {
2590 cprintf("%d You don't have permission to masquerade.\n",
2591 ERROR + HIGHER_ACCESS_REQUIRED);
2594 extract(newusername, entargs, 5);
2595 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2596 safestrncpy(CC->fake_postname, newusername,
2597 sizeof(CC->fake_postname) );
2598 cprintf("%d ok\n", CIT_OK);
2601 CC->cs_flags |= CS_POSTING;
2603 /* In the Mail> room we have to behave a little differently --
2604 * make sure the user has specified at least one recipient. Then
2605 * validate the recipient(s).
2607 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2608 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2610 if (CC->usersupp.axlevel < 2) {
2611 strcpy(recp, "sysop");
2614 valid = validate_recipients(recp);
2615 if (valid->num_error > 0) {
2617 ERROR + NO_SUCH_USER, valid->errormsg);
2621 if (valid->num_internet > 0) {
2622 if (CtdlCheckInternetMailPermission(&CC->usersupp)==0) {
2623 cprintf("%d You do not have permission "
2624 "to send Internet mail.\n",
2625 ERROR + HIGHER_ACCESS_REQUIRED);
2631 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2632 && (CC->usersupp.axlevel < 4) ) {
2633 cprintf("%d Higher access required for network mail.\n",
2634 ERROR + HIGHER_ACCESS_REQUIRED);
2639 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2640 && ((CC->usersupp.flags & US_INTERNET) == 0)
2641 && (!CC->internal_pgm)) {
2642 cprintf("%d You don't have access to Internet mail.\n",
2643 ERROR + HIGHER_ACCESS_REQUIRED);
2650 /* Is this a room which has anonymous-only or anonymous-option? */
2651 anonymous = MES_NORMAL;
2652 if (CC->quickroom.QRflags & QR_ANONONLY) {
2653 anonymous = MES_ANONONLY;
2655 if (CC->quickroom.QRflags & QR_ANONOPT) {
2656 if (anon_flag == 1) { /* only if the user requested it */
2657 anonymous = MES_ANONOPT;
2661 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2665 /* If we're only checking the validity of the request, return
2666 * success without creating the message.
2669 cprintf("%d %s\n", CIT_OK,
2670 ((valid != NULL) ? valid->display_recp : "") );
2675 /* Handle author masquerading */
2676 if (CC->fake_postname[0]) {
2677 strcpy(masquerade_as, CC->fake_postname);
2679 else if (CC->fake_username[0]) {
2680 strcpy(masquerade_as, CC->fake_username);
2683 strcpy(masquerade_as, "");
2686 /* Read in the message from the client. */
2687 cprintf("%d send message\n", SEND_LISTING);
2688 msg = CtdlMakeMessage(&CC->usersupp, recp,
2689 CC->quickroom.QRname, anonymous, format_type,
2690 masquerade_as, subject, NULL);
2693 CtdlSubmitMsg(msg, valid, "");
2694 CtdlFreeMessage(msg);
2696 CC->fake_postname[0] = '\0';
2704 * API function to delete messages which match a set of criteria
2705 * (returns the actual number of messages deleted)
2707 int CtdlDeleteMessages(char *room_name, /* which room */
2708 long dmsgnum, /* or "0" for any */
2709 char *content_type /* or "" for any */
2713 struct quickroom qrbuf;
2714 struct cdbdata *cdbfr;
2715 long *msglist = NULL;
2716 long *dellist = NULL;
2719 int num_deleted = 0;
2721 struct MetaData smi;
2723 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2724 room_name, dmsgnum, content_type);
2726 /* get room record, obtaining a lock... */
2727 if (lgetroom(&qrbuf, room_name) != 0) {
2728 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2730 return (0); /* room not found */
2732 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2734 if (cdbfr != NULL) {
2735 msglist = mallok(cdbfr->len);
2736 dellist = mallok(cdbfr->len);
2737 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2738 num_msgs = cdbfr->len / sizeof(long);
2742 for (i = 0; i < num_msgs; ++i) {
2745 /* Set/clear a bit for each criterion */
2747 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2748 delete_this |= 0x01;
2750 if (strlen(content_type) == 0) {
2751 delete_this |= 0x02;
2753 GetMetaData(&smi, msglist[i]);
2754 if (!strcasecmp(smi.meta_content_type,
2756 delete_this |= 0x02;
2760 /* Delete message only if all bits are set */
2761 if (delete_this == 0x03) {
2762 dellist[num_deleted++] = msglist[i];
2767 num_msgs = sort_msglist(msglist, num_msgs);
2768 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2769 msglist, (num_msgs * sizeof(long)));
2771 qrbuf.QRhighest = msglist[num_msgs - 1];
2775 /* Go through the messages we pulled out of the index, and decrement
2776 * their reference counts by 1. If this is the only room the message
2777 * was in, the reference count will reach zero and the message will
2778 * automatically be deleted from the database. We do this in a
2779 * separate pass because there might be plug-in hooks getting called,
2780 * and we don't want that happening during an S_QUICKROOM critical
2783 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2784 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2785 AdjRefCount(dellist[i], -1);
2788 /* Now free the memory we used, and go away. */
2789 if (msglist != NULL) phree(msglist);
2790 if (dellist != NULL) phree(dellist);
2791 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2792 return (num_deleted);
2798 * Check whether the current user has permission to delete messages from
2799 * the current room (returns 1 for yes, 0 for no)
2801 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2802 getuser(&CC->usersupp, CC->curr_user);
2803 if ((CC->usersupp.axlevel < 6)
2804 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2805 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2806 && (!(CC->internal_pgm))) {
2815 * Delete message from current room
2817 void cmd_dele(char *delstr)
2822 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2823 cprintf("%d Higher access required.\n",
2824 ERROR + HIGHER_ACCESS_REQUIRED);
2827 delnum = extract_long(delstr, 0);
2829 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2832 cprintf("%d %d message%s deleted.\n", CIT_OK,
2833 num_deleted, ((num_deleted != 1) ? "s" : ""));
2835 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2841 * Back end API function for moves and deletes
2843 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2846 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2847 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2848 if (err != 0) return(err);
2856 * move or copy a message to another room
2858 void cmd_move(char *args)
2862 struct quickroom qtemp;
2866 num = extract_long(args, 0);
2867 extract(targ, args, 1);
2868 targ[ROOMNAMELEN - 1] = 0;
2869 is_copy = extract_int(args, 2);
2871 if (getroom(&qtemp, targ) != 0) {
2872 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2876 getuser(&CC->usersupp, CC->curr_user);
2877 /* Aides can move/copy */
2878 if ((CC->usersupp.axlevel < 6)
2879 /* Roomaides can move/copy */
2880 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2881 /* Permit move/copy to/from personal rooms */
2882 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2883 && (qtemp.QRflags & QR_MAILBOX)))
2884 /* Permit only copy from public to personal room */
2885 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2886 && (qtemp.QRflags & QR_MAILBOX)))) {
2887 cprintf("%d Higher access required.\n",
2888 ERROR + HIGHER_ACCESS_REQUIRED);
2892 err = CtdlCopyMsgToRoom(num, targ);
2894 cprintf("%d Cannot store message in %s: error %d\n",
2899 /* Now delete the message from the source room,
2900 * if this is a 'move' rather than a 'copy' operation.
2903 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2906 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2912 * GetMetaData() - Get the supplementary record for a message
2914 void GetMetaData(struct MetaData *smibuf, long msgnum)
2917 struct cdbdata *cdbsmi;
2920 memset(smibuf, 0, sizeof(struct MetaData));
2921 smibuf->meta_msgnum = msgnum;
2922 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2924 /* Use the negative of the message number for its supp record index */
2925 TheIndex = (0L - msgnum);
2927 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2928 if (cdbsmi == NULL) {
2929 return; /* record not found; go with defaults */
2931 memcpy(smibuf, cdbsmi->ptr,
2932 ((cdbsmi->len > sizeof(struct MetaData)) ?
2933 sizeof(struct MetaData) : cdbsmi->len));
2940 * PutMetaData() - (re)write supplementary record for a message
2942 void PutMetaData(struct MetaData *smibuf)
2946 /* Use the negative of the message number for the metadata db index */
2947 TheIndex = (0L - smibuf->meta_msgnum);
2949 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2950 smibuf->meta_msgnum, smibuf->meta_refcount);
2952 cdb_store(CDB_MSGMAIN,
2953 &TheIndex, sizeof(long),
2954 smibuf, sizeof(struct MetaData));
2959 * AdjRefCount - change the reference count for a message;
2960 * delete the message if it reaches zero
2962 void AdjRefCount(long msgnum, int incr)
2965 struct MetaData smi;
2968 /* This is a *tight* critical section; please keep it that way, as
2969 * it may get called while nested in other critical sections.
2970 * Complicating this any further will surely cause deadlock!
2972 begin_critical_section(S_SUPPMSGMAIN);
2973 GetMetaData(&smi, msgnum);
2974 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2975 msgnum, smi.meta_refcount);
2976 smi.meta_refcount += incr;
2978 end_critical_section(S_SUPPMSGMAIN);
2979 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2980 msgnum, smi.meta_refcount);
2982 /* If the reference count is now zero, delete the message
2983 * (and its supplementary record as well).
2985 if (smi.meta_refcount == 0) {
2986 lprintf(9, "Deleting message <%ld>\n", msgnum);
2988 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2990 /* We have to delete the metadata record too! */
2991 delnum = (0L - msgnum);
2992 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2997 * Write a generic object to this room
2999 * Note: this could be much more efficient. Right now we use two temporary
3000 * files, and still pull the message into memory as with all others.
3002 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3003 char *content_type, /* MIME type of this object */
3004 char *tempfilename, /* Where to fetch it from */
3005 struct usersupp *is_mailbox, /* Mailbox room? */
3006 int is_binary, /* Is encoding necessary? */
3007 int is_unique, /* Del others of this type? */
3008 unsigned int flags /* Internal save flags */
3013 struct quickroom qrbuf;
3014 char roomname[ROOMNAMELEN];
3015 struct CtdlMessage *msg;
3017 char *raw_message = NULL;
3018 char *encoded_message = NULL;
3019 off_t raw_length = 0;
3021 if (is_mailbox != NULL)
3022 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3024 safestrncpy(roomname, req_room, sizeof(roomname));
3025 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3028 fp = fopen(tempfilename, "rb");
3030 lprintf(5, "Cannot open %s: %s\n",
3031 tempfilename, strerror(errno));
3034 fseek(fp, 0L, SEEK_END);
3035 raw_length = ftell(fp);
3037 lprintf(9, "Raw length is %ld\n", (long)raw_length);
3039 raw_message = mallok((size_t)raw_length);
3040 fread(raw_message, (size_t)raw_length, 1, fp);
3044 encoded_message = mallok((size_t)
3045 (((raw_length * 134) / 100) + 4096 ) );
3048 encoded_message = mallok((size_t)(raw_length + 4096));
3051 sprintf(encoded_message, "Content-type: %s\n", content_type);
3054 sprintf(&encoded_message[strlen(encoded_message)],
3055 "Content-transfer-encoding: base64\n\n"
3059 sprintf(&encoded_message[strlen(encoded_message)],
3060 "Content-transfer-encoding: 7bit\n\n"
3066 &encoded_message[strlen(encoded_message)],
3072 raw_message[raw_length] = 0;
3074 &encoded_message[strlen(encoded_message)],
3082 lprintf(9, "Allocating\n");
3083 msg = mallok(sizeof(struct CtdlMessage));
3084 memset(msg, 0, sizeof(struct CtdlMessage));
3085 msg->cm_magic = CTDLMESSAGE_MAGIC;
3086 msg->cm_anon_type = MES_NORMAL;
3087 msg->cm_format_type = 4;
3088 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
3089 msg->cm_fields['O'] = strdoop(req_room);
3090 msg->cm_fields['N'] = strdoop(config.c_nodename);
3091 msg->cm_fields['H'] = strdoop(config.c_humannode);
3092 msg->cm_flags = flags;
3094 msg->cm_fields['M'] = encoded_message;
3096 /* Create the requested room if we have to. */
3097 if (getroom(&qrbuf, roomname) != 0) {
3098 create_room(roomname,
3099 ( (is_mailbox != NULL) ? 5 : 3 ),
3102 /* If the caller specified this object as unique, delete all
3103 * other objects of this type that are currently in the room.
3106 lprintf(9, "Deleted %d other msgs of this type\n",
3107 CtdlDeleteMessages(roomname, 0L, content_type));
3109 /* Now write the data */
3110 CtdlSubmitMsg(msg, NULL, roomname);
3111 CtdlFreeMessage(msg);
3119 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3120 config_msgnum = msgnum;
3124 char *CtdlGetSysConfig(char *sysconfname) {
3125 char hold_rm[ROOMNAMELEN];
3128 struct CtdlMessage *msg;
3131 strcpy(hold_rm, CC->quickroom.QRname);
3132 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
3133 getroom(&CC->quickroom, hold_rm);
3138 /* We want the last (and probably only) config in this room */
3139 begin_critical_section(S_CONFIG);
3140 config_msgnum = (-1L);
3141 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3142 CtdlGetSysConfigBackend, NULL);
3143 msgnum = config_msgnum;
3144 end_critical_section(S_CONFIG);
3150 msg = CtdlFetchMessage(msgnum);
3152 conf = strdoop(msg->cm_fields['M']);
3153 CtdlFreeMessage(msg);
3160 getroom(&CC->quickroom, hold_rm);
3162 if (conf != NULL) do {
3163 extract_token(buf, conf, 0, '\n');
3164 strcpy(conf, &conf[strlen(buf)+1]);
3165 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3170 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3171 char temp[PATH_MAX];
3174 strcpy(temp, tmpnam(NULL));
3176 fp = fopen(temp, "w");
3177 if (fp == NULL) return;
3178 fprintf(fp, "%s", sysconfdata);
3181 /* this handy API function does all the work for us */
3182 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3188 * Determine whether a given Internet address belongs to the current user
3190 int CtdlIsMe(char *addr) {
3191 struct recptypes *recp;
3194 recp = validate_recipients(addr);
3195 if (recp == NULL) return(0);
3197 if (recp->num_local == 0) {
3202 for (i=0; i<recp->num_local; ++i) {
3203 extract(addr, recp->recp_local, i);
3204 if (!strcasecmp(addr, CC->usersupp.fullname)) {
3216 * Citadel protocol command to do the same
3218 void cmd_isme(char *argbuf) {
3221 if (CtdlAccessCheck(ac_logged_in)) return;
3222 extract(addr, argbuf, 0);
3224 if (CtdlIsMe(addr)) {
3225 cprintf("%d %s\n", CIT_OK, addr);
3228 cprintf("%d Not you.\n", ERROR);