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->user, &CC->room);
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->user, &CC->room);
320 /* Load the message list */
321 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.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->user, &CC->room);
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->user, CC->curr_user);
411 CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
413 /* Load the message list */
414 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.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->user.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->user.fullname);
601 snprintf(buf2, sizeof buf2, "%ld", CC->user.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 if (strlen(encoding) > 0) {
1008 cprintf("Content-transfer-encoding: %s\n", encoding);
1011 cprintf("Content-transfer-encoding: 7bit\n");
1014 client_write(content, length);
1015 if (add_newline) cprintf("\n");
1020 /* No translations required or possible: output as text/plain */
1021 cprintf("Content-type: text/plain\n\n");
1022 fixed_output(name, filename, partnum, disp, content, cbtype,
1023 length, encoding, cbuserdata);
1028 * Get a message off disk. (returns om_* values found in msgbase.h)
1031 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1032 int mode, /* how would you like that message? */
1033 int headers_only, /* eschew the message body? */
1034 int do_proto, /* do Citadel protocol responses? */
1035 int crlf /* Use CRLF newlines instead of LF? */
1037 struct CtdlMessage *TheMessage;
1040 lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
1045 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1046 if (do_proto) cprintf("%d Not logged in.\n",
1047 ERROR + NOT_LOGGED_IN);
1048 return(om_not_logged_in);
1051 /* FIXME ... small security issue
1052 * We need to check to make sure the requested message is actually
1053 * in the current room, and set msg_ok to 1 only if it is. This
1054 * functionality is currently missing because I'm in a hurry to replace
1055 * broken production code with nonbroken pre-beta code. :( -- ajc
1058 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
1060 return(om_no_such_msg);
1065 * Fetch the message from disk.
1067 TheMessage = CtdlFetchMessage(msg_num);
1069 if (TheMessage == NULL) {
1070 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1072 return(om_no_such_msg);
1075 retcode = CtdlOutputPreLoadedMsg(
1076 TheMessage, msg_num, mode,
1077 headers_only, do_proto, crlf);
1079 CtdlFreeMessage(TheMessage);
1086 * Get a message off disk. (returns om_* values found in msgbase.h)
1089 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
1091 int mode, /* how would you like that message? */
1092 int headers_only, /* eschew the message body? */
1093 int do_proto, /* do Citadel protocol responses? */
1094 int crlf /* Use CRLF newlines instead of LF? */
1100 char display_name[SIZ];
1102 char *nl; /* newline string */
1104 int subject_found = 0;
1106 /* buffers needed for RFC822 translation */
1113 char datestamp[SIZ];
1116 snprintf(mid, sizeof mid, "%ld", msg_num);
1117 nl = (crlf ? "\r\n" : "\n");
1119 if (!is_valid_message(TheMessage)) {
1120 lprintf(1, "ERROR: invalid preloaded message for output\n");
1121 return(om_no_such_msg);
1124 /* Are we downloading a MIME component? */
1125 if (mode == MT_DOWNLOAD) {
1126 if (TheMessage->cm_format_type != FMT_RFC822) {
1128 cprintf("%d This is not a MIME message.\n",
1130 } else if (CC->download_fp != NULL) {
1131 if (do_proto) cprintf(
1132 "%d You already have a download open.\n",
1135 /* Parse the message text component */
1136 mptr = TheMessage->cm_fields['M'];
1137 mime_parser(mptr, NULL,
1138 *mime_download, NULL, NULL,
1140 /* If there's no file open by this time, the requested
1141 * section wasn't found, so print an error
1143 if (CC->download_fp == NULL) {
1144 if (do_proto) cprintf(
1145 "%d Section %s not found.\n",
1146 ERROR + FILE_NOT_FOUND,
1150 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1153 /* now for the user-mode message reading loops */
1154 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1156 /* Does the caller want to skip the headers? */
1157 if (headers_only == HEADERS_NONE) goto START_TEXT;
1159 /* Tell the client which format type we're using. */
1160 if ( (mode == MT_CITADEL) && (do_proto) ) {
1161 cprintf("type=%d\n", TheMessage->cm_format_type);
1164 /* nhdr=yes means that we're only displaying headers, no body */
1165 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1166 && (mode == MT_CITADEL)
1169 cprintf("nhdr=yes\n");
1172 /* begin header processing loop for Citadel message format */
1174 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1176 strcpy(display_name, "<unknown>");
1177 if (TheMessage->cm_fields['A']) {
1178 strcpy(buf, TheMessage->cm_fields['A']);
1179 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1180 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1181 strcpy(display_name, "****");
1183 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1184 strcpy(display_name, "anonymous");
1187 strcpy(display_name, buf);
1189 if ((is_room_aide())
1190 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1191 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1192 size_t tmp = strlen(display_name);
1193 snprintf(&display_name[tmp],
1194 sizeof display_name - tmp,
1199 /* Don't show Internet address for users on the
1200 * local Citadel network.
1203 if (TheMessage->cm_fields['N'] != NULL)
1204 if (strlen(TheMessage->cm_fields['N']) > 0)
1205 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1209 /* Now spew the header fields in the order we like them. */
1210 strcpy(allkeys, FORDER);
1211 for (i=0; i<strlen(allkeys); ++i) {
1212 k = (int) allkeys[i];
1214 if ( (TheMessage->cm_fields[k] != NULL)
1215 && (msgkeys[k] != NULL) ) {
1217 if (do_proto) cprintf("%s=%s\n",
1221 else if ((k == 'F') && (suppress_f)) {
1224 /* Masquerade display name if needed */
1226 if (do_proto) cprintf("%s=%s\n",
1228 TheMessage->cm_fields[k]
1237 /* begin header processing loop for RFC822 transfer format */
1242 strcpy(snode, NODENAME);
1243 strcpy(lnode, HUMANNODE);
1244 if (mode == MT_RFC822) {
1245 cprintf("X-UIDL: %ld%s", msg_num, nl);
1246 for (i = 0; i < 256; ++i) {
1247 if (TheMessage->cm_fields[i]) {
1248 mptr = TheMessage->cm_fields[i];
1251 strcpy(luser, mptr);
1252 strcpy(suser, mptr);
1255 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1256 into thinking that mail messages are newsgroup messages instead. When we
1257 add NNTP support back into Citadel we'll have to add code to only output
1258 this field when appropriate.
1259 else if (i == 'P') {
1260 cprintf("Path: %s%s", mptr, nl);
1263 else if (i == 'U') {
1264 cprintf("Subject: %s%s", mptr, nl);
1268 safestrncpy(mid, mptr, sizeof mid);
1270 safestrncpy(lnode, mptr, sizeof lnode);
1272 safestrncpy(fuser, mptr, sizeof fuser);
1274 cprintf("X-Citadel-Room: %s%s",
1277 safestrncpy(snode, mptr, sizeof snode);
1279 cprintf("To: %s%s", mptr, nl);
1280 else if (i == 'T') {
1281 datestring(datestamp, sizeof datestamp,
1282 atol(mptr), DATESTRING_RFC822);
1283 cprintf("Date: %s%s", datestamp, nl);
1287 if (subject_found == 0) {
1288 cprintf("Subject: (no subject)%s", nl);
1292 for (i=0; i<strlen(suser); ++i) {
1293 suser[i] = tolower(suser[i]);
1294 if (!isalnum(suser[i])) suser[i]='_';
1297 if (mode == MT_RFC822) {
1298 if (!strcasecmp(snode, NODENAME)) {
1299 strcpy(snode, FQDN);
1302 /* Construct a fun message id */
1303 cprintf("Message-ID: <%s", mid);
1304 if (strchr(mid, '@')==NULL) {
1305 cprintf("@%s", snode);
1309 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1311 if (strlen(fuser) > 0) {
1312 cprintf("From: %s (%s)%s", fuser, luser, nl);
1315 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1318 cprintf("Organization: %s%s", lnode, nl);
1320 /* Blank line signifying RFC822 end-of-headers */
1321 if (TheMessage->cm_format_type != FMT_RFC822) {
1326 /* end header processing loop ... at this point, we're in the text */
1328 mptr = TheMessage->cm_fields['M'];
1330 /* Tell the client about the MIME parts in this message */
1331 if (TheMessage->cm_format_type == FMT_RFC822) {
1332 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1333 mime_parser(mptr, NULL,
1339 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1340 /* FIXME ... we have to put some code in here to avoid
1341 * printing duplicate header information when both
1342 * Citadel and RFC822 headers exist. Preference should
1343 * probably be given to the RFC822 headers.
1345 int done_rfc822_hdrs = 0;
1346 while (ch=*(mptr++), ch!=0) {
1351 if (!done_rfc822_hdrs) {
1352 if (headers_only != HEADERS_NONE) {
1357 if (headers_only != HEADERS_ONLY) {
1361 if ((*(mptr) == 13) || (*(mptr) == 10)) {
1362 done_rfc822_hdrs = 1;
1366 if (done_rfc822_hdrs) {
1367 if (headers_only != HEADERS_NONE) {
1372 if (headers_only != HEADERS_ONLY) {
1376 if ((*mptr == 13) || (*mptr == 10)) {
1377 done_rfc822_hdrs = 1;
1385 if (headers_only == HEADERS_ONLY) {
1389 /* signify start of msg text */
1390 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1391 if (do_proto) cprintf("text\n");
1394 /* If the format type on disk is 1 (fixed-format), then we want
1395 * everything to be output completely literally ... regardless of
1396 * what message transfer format is in use.
1398 if (TheMessage->cm_format_type == FMT_FIXED) {
1399 if (mode == MT_MIME) {
1400 cprintf("Content-type: text/plain\n\n");
1403 while (ch = *mptr++, ch > 0) {
1406 if ((ch == 10) || (strlen(buf) > 250)) {
1407 cprintf("%s%s", buf, nl);
1410 buf[strlen(buf) + 1] = 0;
1411 buf[strlen(buf)] = ch;
1414 if (strlen(buf) > 0)
1415 cprintf("%s%s", buf, nl);
1418 /* If the message on disk is format 0 (Citadel vari-format), we
1419 * output using the formatter at 80 columns. This is the final output
1420 * form if the transfer format is RFC822, but if the transfer format
1421 * is Citadel proprietary, it'll still work, because the indentation
1422 * for new paragraphs is correct and the client will reformat the
1423 * message to the reader's screen width.
1425 if (TheMessage->cm_format_type == FMT_CITADEL) {
1426 if (mode == MT_MIME) {
1427 cprintf("Content-type: text/x-citadel-variformat\n\n");
1429 memfmout(80, mptr, 0, nl);
1432 /* If the message on disk is format 4 (MIME), we've gotta hand it
1433 * off to the MIME parser. The client has already been told that
1434 * this message is format 1 (fixed format), so the callback function
1435 * we use will display those parts as-is.
1437 if (TheMessage->cm_format_type == FMT_RFC822) {
1438 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1439 memset(ma, 0, sizeof(struct ma_info));
1441 if (mode == MT_MIME) {
1442 strcpy(ma->chosen_part, "1");
1443 mime_parser(mptr, NULL,
1444 *choose_preferred, *fixed_output_pre,
1445 *fixed_output_post, NULL, 0);
1446 mime_parser(mptr, NULL,
1447 *output_preferred, NULL, NULL, NULL, 0);
1450 mime_parser(mptr, NULL,
1451 *fixed_output, *fixed_output_pre,
1452 *fixed_output_post, NULL, 0);
1456 DONE: /* now we're done */
1457 if (do_proto) cprintf("000\n");
1464 * display a message (mode 0 - Citadel proprietary)
1466 void cmd_msg0(char *cmdbuf)
1469 int headers_only = HEADERS_ALL;
1471 msgid = extract_long(cmdbuf, 0);
1472 headers_only = extract_int(cmdbuf, 1);
1474 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1480 * display a message (mode 2 - RFC822)
1482 void cmd_msg2(char *cmdbuf)
1485 int headers_only = HEADERS_ALL;
1487 msgid = extract_long(cmdbuf, 0);
1488 headers_only = extract_int(cmdbuf, 1);
1490 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1496 * display a message (mode 3 - IGnet raw format - internal programs only)
1498 void cmd_msg3(char *cmdbuf)
1501 struct CtdlMessage *msg;
1504 if (CC->internal_pgm == 0) {
1505 cprintf("%d This command is for internal programs only.\n",
1510 msgnum = extract_long(cmdbuf, 0);
1511 msg = CtdlFetchMessage(msgnum);
1513 cprintf("%d Message %ld not found.\n",
1518 serialize_message(&smr, msg);
1519 CtdlFreeMessage(msg);
1522 cprintf("%d Unable to serialize message\n",
1523 ERROR+INTERNAL_ERROR);
1527 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1528 client_write(smr.ser, smr.len);
1535 * Display a message using MIME content types
1537 void cmd_msg4(char *cmdbuf)
1541 msgid = extract_long(cmdbuf, 0);
1542 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1548 * Client tells us its preferred message format(s)
1550 void cmd_msgp(char *cmdbuf)
1552 safestrncpy(CC->preferred_formats, cmdbuf,
1553 sizeof(CC->preferred_formats));
1554 cprintf("%d ok\n", CIT_OK);
1559 * Open a component of a MIME message as a download file
1561 void cmd_opna(char *cmdbuf)
1565 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1567 msgid = extract_long(cmdbuf, 0);
1568 extract(desired_section, cmdbuf, 1);
1570 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1575 * Save a message pointer into a specified room
1576 * (Returns 0 for success, nonzero for failure)
1577 * roomname may be NULL to use the current room
1579 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1581 char hold_rm[ROOMNAMELEN];
1582 struct cdbdata *cdbfr;
1585 long highest_msg = 0L;
1586 struct CtdlMessage *msg = NULL;
1588 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1589 roomname, msgid, flags);
1591 strcpy(hold_rm, CC->room.QRname);
1593 /* We may need to check to see if this message is real */
1594 if ( (flags & SM_VERIFY_GOODNESS)
1595 || (flags & SM_DO_REPL_CHECK)
1597 msg = CtdlFetchMessage(msgid);
1598 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1601 /* Perform replication checks if necessary */
1602 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1604 if (getroom(&CC->room,
1605 ((roomname != NULL) ? roomname : CC->room.QRname) )
1607 lprintf(9, "No such room <%s>\n", roomname);
1608 if (msg != NULL) CtdlFreeMessage(msg);
1609 return(ERROR + ROOM_NOT_FOUND);
1612 if (ReplicationChecks(msg) != 0) {
1613 getroom(&CC->room, hold_rm);
1614 if (msg != NULL) CtdlFreeMessage(msg);
1615 lprintf(9, "Did replication, and newer exists\n");
1620 /* Now the regular stuff */
1621 if (lgetroom(&CC->room,
1622 ((roomname != NULL) ? roomname : CC->room.QRname) )
1624 lprintf(9, "No such room <%s>\n", roomname);
1625 if (msg != NULL) CtdlFreeMessage(msg);
1626 return(ERROR + ROOM_NOT_FOUND);
1629 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
1630 if (cdbfr == NULL) {
1634 msglist = mallok(cdbfr->len);
1635 if (msglist == NULL)
1636 lprintf(3, "ERROR malloc msglist!\n");
1637 num_msgs = cdbfr->len / sizeof(long);
1638 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1643 /* Make sure the message doesn't already exist in this room. It
1644 * is absolutely taboo to have more than one reference to the same
1645 * message in a room.
1647 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1648 if (msglist[i] == msgid) {
1649 lputroom(&CC->room); /* unlock the room */
1650 getroom(&CC->room, hold_rm);
1651 if (msg != NULL) CtdlFreeMessage(msg);
1652 return(ERROR + ALREADY_EXISTS);
1656 /* Now add the new message */
1658 msglist = reallok(msglist,
1659 (num_msgs * sizeof(long)));
1661 if (msglist == NULL) {
1662 lprintf(3, "ERROR: can't realloc message list!\n");
1664 msglist[num_msgs - 1] = msgid;
1666 /* Sort the message list, so all the msgid's are in order */
1667 num_msgs = sort_msglist(msglist, num_msgs);
1669 /* Determine the highest message number */
1670 highest_msg = msglist[num_msgs - 1];
1672 /* Write it back to disk. */
1673 cdb_store(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long),
1674 msglist, num_msgs * sizeof(long));
1676 /* Free up the memory we used. */
1679 /* Update the highest-message pointer and unlock the room. */
1680 CC->room.QRhighest = highest_msg;
1681 lputroom(&CC->room);
1682 getroom(&CC->room, hold_rm);
1684 /* Bump the reference count for this message. */
1685 if ((flags & SM_DONT_BUMP_REF)==0) {
1686 AdjRefCount(msgid, +1);
1689 /* Return success. */
1690 if (msg != NULL) CtdlFreeMessage(msg);
1697 * Message base operation to send a message to the master file
1698 * (returns new message number)
1700 * This is the back end for CtdlSubmitMsg() and should not be directly
1701 * called by server-side modules.
1704 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1705 FILE *save_a_copy) /* save a copy to disk? */
1712 /* Get a new message number */
1713 newmsgid = get_new_message_number();
1714 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1716 /* Generate an ID if we don't have one already */
1717 if (msg->cm_fields['I']==NULL) {
1718 msg->cm_fields['I'] = strdoop(msgidbuf);
1721 serialize_message(&smr, msg);
1724 cprintf("%d Unable to serialize message\n",
1725 ERROR+INTERNAL_ERROR);
1729 /* Write our little bundle of joy into the message base */
1730 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1731 smr.ser, smr.len) < 0) {
1732 lprintf(2, "Can't store message\n");
1738 /* If the caller specified that a copy should be saved to a particular
1739 * file handle, do that now too.
1741 if (save_a_copy != NULL) {
1742 fwrite(smr.ser, smr.len, 1, save_a_copy);
1745 /* Free the memory we used for the serialized message */
1748 /* Return the *local* message ID to the caller
1749 * (even if we're storing an incoming network message)
1757 * Serialize a struct CtdlMessage into the format used on disk and network.
1759 * This function loads up a "struct ser_ret" (defined in server.h) which
1760 * contains the length of the serialized message and a pointer to the
1761 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1763 void serialize_message(struct ser_ret *ret, /* return values */
1764 struct CtdlMessage *msg) /* unserialized msg */
1768 static char *forder = FORDER;
1770 if (is_valid_message(msg) == 0) return; /* self check */
1773 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1774 ret->len = ret->len +
1775 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1777 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1778 ret->ser = mallok(ret->len);
1779 if (ret->ser == NULL) {
1785 ret->ser[1] = msg->cm_anon_type;
1786 ret->ser[2] = msg->cm_format_type;
1789 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1790 ret->ser[wlen++] = (char)forder[i];
1791 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1792 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1794 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1795 (long)ret->len, (long)wlen);
1803 * Back end for the ReplicationChecks() function
1805 void check_repl(long msgnum, void *userdata) {
1806 struct CtdlMessage *msg;
1807 time_t timestamp = (-1L);
1809 lprintf(9, "check_repl() found message %ld\n", msgnum);
1810 msg = CtdlFetchMessage(msgnum);
1811 if (msg == NULL) return;
1812 if (msg->cm_fields['T'] != NULL) {
1813 timestamp = atol(msg->cm_fields['T']);
1815 CtdlFreeMessage(msg);
1817 if (timestamp > msg_repl->highest) {
1818 msg_repl->highest = timestamp; /* newer! */
1819 lprintf(9, "newer!\n");
1822 lprintf(9, "older!\n");
1824 /* Existing isn't newer? Then delete the old one(s). */
1825 CtdlDeleteMessages(CC->room.QRname, msgnum, "");
1830 * Check to see if any messages already exist which carry the same Extended ID
1834 * -> With older timestamps: delete them and return 0. Message will be saved.
1835 * -> With newer timestamps: return 1. Message save will be aborted.
1837 int ReplicationChecks(struct CtdlMessage *msg) {
1838 struct CtdlMessage *template;
1841 lprintf(9, "ReplicationChecks() started\n");
1842 /* No extended id? Don't do anything. */
1843 if (msg->cm_fields['E'] == NULL) return 0;
1844 if (strlen(msg->cm_fields['E']) == 0) return 0;
1845 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1847 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1848 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1849 msg_repl->highest = atol(msg->cm_fields['T']);
1851 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1852 memset(template, 0, sizeof(struct CtdlMessage));
1853 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1855 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1857 /* If a newer message exists with the same Extended ID, abort
1860 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1864 CtdlFreeMessage(template);
1865 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1873 * Save a message to disk and submit it into the delivery system.
1875 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1876 struct recptypes *recps, /* recipients (if mail) */
1877 char *force /* force a particular room? */
1880 char hold_rm[ROOMNAMELEN];
1881 char actual_rm[ROOMNAMELEN];
1882 char force_room[ROOMNAMELEN];
1883 char content_type[SIZ]; /* We have to learn this */
1884 char recipient[SIZ];
1887 struct ctdluser userbuf;
1889 struct MetaData smi;
1890 FILE *network_fp = NULL;
1891 static int seqnum = 1;
1892 struct CtdlMessage *imsg = NULL;
1895 char *hold_R, *hold_D;
1897 lprintf(9, "CtdlSubmitMsg() called\n");
1898 if (is_valid_message(msg) == 0) return(-1); /* self check */
1900 /* If this message has no timestamp, we take the liberty of
1901 * giving it one, right now.
1903 if (msg->cm_fields['T'] == NULL) {
1904 lprintf(9, "Generating timestamp\n");
1905 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1906 msg->cm_fields['T'] = strdoop(aaa);
1909 /* If this message has no path, we generate one.
1911 if (msg->cm_fields['P'] == NULL) {
1912 lprintf(9, "Generating path\n");
1913 if (msg->cm_fields['A'] != NULL) {
1914 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1915 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1916 if (isspace(msg->cm_fields['P'][a])) {
1917 msg->cm_fields['P'][a] = ' ';
1922 msg->cm_fields['P'] = strdoop("unknown");
1926 if (force == NULL) {
1927 strcpy(force_room, "");
1930 strcpy(force_room, force);
1933 /* Learn about what's inside, because it's what's inside that counts */
1934 lprintf(9, "Learning what's inside\n");
1935 if (msg->cm_fields['M'] == NULL) {
1936 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1939 switch (msg->cm_format_type) {
1941 strcpy(content_type, "text/x-citadel-variformat");
1944 strcpy(content_type, "text/plain");
1947 strcpy(content_type, "text/plain");
1948 /* advance past header fields */
1949 mptr = msg->cm_fields['M'];
1952 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1953 safestrncpy(content_type, mptr,
1954 sizeof(content_type));
1955 strcpy(content_type, &content_type[14]);
1956 for (a = 0; a < strlen(content_type); ++a)
1957 if ((content_type[a] == ';')
1958 || (content_type[a] == ' ')
1959 || (content_type[a] == 13)
1960 || (content_type[a] == 10))
1961 content_type[a] = 0;
1968 /* Goto the correct room */
1969 lprintf(9, "Switching rooms\n");
1970 strcpy(hold_rm, CC->room.QRname);
1971 strcpy(actual_rm, CC->room.QRname);
1972 if (recps != NULL) {
1973 strcpy(actual_rm, SENTITEMS);
1976 /* If the user is a twit, move to the twit room for posting */
1977 lprintf(9, "Handling twit stuff\n");
1979 if (CC->user.axlevel == 2) {
1980 strcpy(hold_rm, actual_rm);
1981 strcpy(actual_rm, config.c_twitroom);
1985 /* ...or if this message is destined for Aide> then go there. */
1986 if (strlen(force_room) > 0) {
1987 strcpy(actual_rm, force_room);
1990 lprintf(9, "Possibly relocating\n");
1991 if (strcasecmp(actual_rm, CC->room.QRname)) {
1992 getroom(&CC->room, actual_rm);
1996 * If this message has no O (room) field, generate one.
1998 if (msg->cm_fields['O'] == NULL) {
1999 msg->cm_fields['O'] = strdoop(CC->room.QRname);
2002 /* Perform "before save" hooks (aborting if any return nonzero) */
2003 lprintf(9, "Performing before-save hooks\n");
2004 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
2006 /* If this message has an Extended ID, perform replication checks */
2007 lprintf(9, "Performing replication checks\n");
2008 if (ReplicationChecks(msg) > 0) return(-1);
2010 /* Save it to disk */
2011 lprintf(9, "Saving to disk\n");
2012 newmsgid = send_message(msg, NULL);
2013 if (newmsgid <= 0L) return(-1);
2015 /* Write a supplemental message info record. This doesn't have to
2016 * be a critical section because nobody else knows about this message
2019 lprintf(9, "Creating MetaData record\n");
2020 memset(&smi, 0, sizeof(struct MetaData));
2021 smi.meta_msgnum = newmsgid;
2022 smi.meta_refcount = 0;
2023 safestrncpy(smi.meta_content_type, content_type, 64);
2026 /* Now figure out where to store the pointers */
2027 lprintf(9, "Storing pointers\n");
2029 /* If this is being done by the networker delivering a private
2030 * message, we want to BYPASS saving the sender's copy (because there
2031 * is no local sender; it would otherwise go to the Trashcan).
2033 if ((!CC->internal_pgm) || (recps == NULL)) {
2034 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
2035 lprintf(3, "ERROR saving message pointer!\n");
2036 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2040 /* For internet mail, drop a copy in the outbound queue room */
2042 if (recps->num_internet > 0) {
2043 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2046 /* If other rooms are specified, drop them there too. */
2048 if (recps->num_room > 0)
2049 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2050 extract(recipient, recps->recp_room, i);
2051 lprintf(9, "Delivering to local room <%s>\n", recipient);
2052 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2055 /* Bump this user's messages posted counter. */
2056 lprintf(9, "Updating user\n");
2057 lgetuser(&CC->user, CC->curr_user);
2058 CC->user.posted = CC->user.posted + 1;
2059 lputuser(&CC->user);
2061 /* If this is private, local mail, make a copy in the
2062 * recipient's mailbox and bump the reference count.
2065 if (recps->num_local > 0)
2066 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2067 extract(recipient, recps->recp_local, i);
2068 lprintf(9, "Delivering private local mail to <%s>\n",
2070 if (getuser(&userbuf, recipient) == 0) {
2071 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2072 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2073 BumpNewMailCounter(userbuf.usernum);
2076 lprintf(9, "No user <%s>\n", recipient);
2077 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2081 /* Perform "after save" hooks */
2082 lprintf(9, "Performing after-save hooks\n");
2083 PerformMessageHooks(msg, EVT_AFTERSAVE);
2085 /* For IGnet mail, we have to save a new copy into the spooler for
2086 * each recipient, with the R and D fields set to the recipient and
2087 * destination-node. This has two ugly side effects: all other
2088 * recipients end up being unlisted in this recipient's copy of the
2089 * message, and it has to deliver multiple messages to the same
2090 * node. We'll revisit this again in a year or so when everyone has
2091 * a network spool receiver that can handle the new style messages.
2094 if (recps->num_ignet > 0)
2095 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2096 extract(recipient, recps->recp_ignet, i);
2098 hold_R = msg->cm_fields['R'];
2099 hold_D = msg->cm_fields['D'];
2100 msg->cm_fields['R'] = mallok(SIZ);
2101 msg->cm_fields['D'] = mallok(SIZ);
2102 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2103 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2105 serialize_message(&smr, msg);
2107 snprintf(aaa, sizeof aaa,
2108 "./network/spoolin/netmail.%04lx.%04x.%04x",
2109 (long) getpid(), CC->cs_pid, ++seqnum);
2110 network_fp = fopen(aaa, "wb+");
2111 if (network_fp != NULL) {
2112 fwrite(smr.ser, smr.len, 1, network_fp);
2118 phree(msg->cm_fields['R']);
2119 phree(msg->cm_fields['D']);
2120 msg->cm_fields['R'] = hold_R;
2121 msg->cm_fields['D'] = hold_D;
2124 /* Go back to the room we started from */
2125 lprintf(9, "Returning to original room\n");
2126 if (strcasecmp(hold_rm, CC->room.QRname))
2127 getroom(&CC->room, hold_rm);
2129 /* For internet mail, generate delivery instructions.
2130 * Yes, this is recursive. Deal with it. Infinite recursion does
2131 * not happen because the delivery instructions message does not
2132 * contain a recipient.
2135 if (recps->num_internet > 0) {
2136 lprintf(9, "Generating delivery instructions\n");
2137 instr = mallok(SIZ * 2);
2138 snprintf(instr, SIZ * 2,
2139 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2141 SPOOLMIME, newmsgid, (long)time(NULL),
2142 msg->cm_fields['A'], msg->cm_fields['N']
2145 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2146 size_t tmp = strlen(instr);
2147 extract(recipient, recps->recp_internet, i);
2148 snprintf(&instr[tmp], SIZ * 2 - tmp,
2149 "remote|%s|0||\n", recipient);
2152 imsg = mallok(sizeof(struct CtdlMessage));
2153 memset(imsg, 0, sizeof(struct CtdlMessage));
2154 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2155 imsg->cm_anon_type = MES_NORMAL;
2156 imsg->cm_format_type = FMT_RFC822;
2157 imsg->cm_fields['A'] = strdoop("Citadel");
2158 imsg->cm_fields['M'] = instr;
2159 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2160 CtdlFreeMessage(imsg);
2169 * Convenience function for generating small administrative messages.
2171 void quickie_message(char *from, char *to, char *room, char *text,
2172 int format_type, char *subject)
2174 struct CtdlMessage *msg;
2175 struct recptypes *recp = NULL;
2177 msg = mallok(sizeof(struct CtdlMessage));
2178 memset(msg, 0, sizeof(struct CtdlMessage));
2179 msg->cm_magic = CTDLMESSAGE_MAGIC;
2180 msg->cm_anon_type = MES_NORMAL;
2181 msg->cm_format_type = format_type;
2182 msg->cm_fields['A'] = strdoop(from);
2183 if (room != NULL) msg->cm_fields['O'] = strdoop(room);
2184 msg->cm_fields['N'] = strdoop(NODENAME);
2186 msg->cm_fields['R'] = strdoop(to);
2187 recp = validate_recipients(to);
2189 if (subject != NULL) {
2190 msg->cm_fields['U'] = strdoop(subject);
2192 msg->cm_fields['M'] = strdoop(text);
2194 CtdlSubmitMsg(msg, recp, room);
2195 CtdlFreeMessage(msg);
2196 if (recp != NULL) phree(recp);
2202 * Back end function used by CtdlMakeMessage() and similar functions
2204 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2205 size_t maxlen, /* maximum message length */
2206 char *exist, /* if non-null, append to it;
2207 exist is ALWAYS freed */
2208 int crlf /* CRLF newlines instead of LF */
2212 size_t message_len = 0;
2213 size_t buffer_len = 0;
2219 if (exist == NULL) {
2226 message_len = strlen(exist);
2227 buffer_len = message_len + 4096;
2228 m = reallok(exist, buffer_len);
2235 /* flush the input if we have nowhere to store it */
2240 /* read in the lines of message text one by one */
2242 if (client_gets(buf) < 1) finished = 1;
2243 if (!strcmp(buf, terminator)) finished = 1;
2245 strcat(buf, "\r\n");
2251 if ( (!flushing) && (!finished) ) {
2252 /* Measure the line */
2253 linelen = strlen(buf);
2255 /* augment the buffer if we have to */
2256 if ((message_len + linelen) >= buffer_len) {
2257 ptr = reallok(m, (buffer_len * 2) );
2258 if (ptr == NULL) { /* flush if can't allocate */
2261 buffer_len = (buffer_len * 2);
2263 lprintf(9, "buffer_len is now %ld\n", (long)buffer_len);
2267 /* Add the new line to the buffer. NOTE: this loop must avoid
2268 * using functions like strcat() and strlen() because they
2269 * traverse the entire buffer upon every call, and doing that
2270 * for a multi-megabyte message slows it down beyond usability.
2272 strcpy(&m[message_len], buf);
2273 message_len += linelen;
2276 /* if we've hit the max msg length, flush the rest */
2277 if (message_len >= maxlen) flushing = 1;
2279 } while (!finished);
2287 * Build a binary message to be saved on disk.
2288 * (NOTE: if you supply 'preformatted_text', the buffer you give it
2289 * will become part of the message. This means you are no longer
2290 * responsible for managing that memory -- it will be freed along with
2291 * the rest of the fields when CtdlFreeMessage() is called.)
2294 struct CtdlMessage *CtdlMakeMessage(
2295 struct ctdluser *author, /* author's user structure */
2296 char *recipient, /* NULL if it's not mail */
2297 char *room, /* room where it's going */
2298 int type, /* see MES_ types in header file */
2299 int format_type, /* variformat, plain text, MIME... */
2300 char *fake_name, /* who we're masquerading as */
2301 char *subject, /* Subject (optional) */
2302 char *preformatted_text /* ...or NULL to read text from client */
2304 char dest_node[SIZ];
2306 struct CtdlMessage *msg;
2308 msg = mallok(sizeof(struct CtdlMessage));
2309 memset(msg, 0, sizeof(struct CtdlMessage));
2310 msg->cm_magic = CTDLMESSAGE_MAGIC;
2311 msg->cm_anon_type = type;
2312 msg->cm_format_type = format_type;
2314 /* Don't confuse the poor folks if it's not routed mail. */
2315 strcpy(dest_node, "");
2319 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2320 msg->cm_fields['P'] = strdoop(buf);
2322 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2323 msg->cm_fields['T'] = strdoop(buf);
2325 if (fake_name[0]) /* author */
2326 msg->cm_fields['A'] = strdoop(fake_name);
2328 msg->cm_fields['A'] = strdoop(author->fullname);
2330 if (CC->room.QRflags & QR_MAILBOX) { /* room */
2331 msg->cm_fields['O'] = strdoop(&CC->room.QRname[11]);
2334 msg->cm_fields['O'] = strdoop(CC->room.QRname);
2337 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2338 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2340 if (recipient[0] != 0) {
2341 msg->cm_fields['R'] = strdoop(recipient);
2343 if (dest_node[0] != 0) {
2344 msg->cm_fields['D'] = strdoop(dest_node);
2347 if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
2348 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2351 if (subject != NULL) {
2353 if (strlen(subject) > 0) {
2354 msg->cm_fields['U'] = strdoop(subject);
2358 if (preformatted_text != NULL) {
2359 msg->cm_fields['M'] = preformatted_text;
2362 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2363 config.c_maxmsglen, NULL, 0);
2371 * Check to see whether we have permission to post a message in the current
2372 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2373 * returns 0 on success.
2375 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2377 if (!(CC->logged_in)) {
2378 snprintf(errmsgbuf, n, "Not logged in.");
2379 return (ERROR + NOT_LOGGED_IN);
2382 if ((CC->user.axlevel < 2)
2383 && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
2384 snprintf(errmsgbuf, n, "Need to be validated to enter "
2385 "(except in %s> to sysop)", MAILROOM);
2386 return (ERROR + HIGHER_ACCESS_REQUIRED);
2389 if ((CC->user.axlevel < 4)
2390 && (CC->room.QRflags & QR_NETWORK)) {
2391 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2392 return (ERROR + HIGHER_ACCESS_REQUIRED);
2395 if ((CC->user.axlevel < 6)
2396 && (CC->room.QRflags & QR_READONLY)) {
2397 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2398 return (ERROR + HIGHER_ACCESS_REQUIRED);
2401 strcpy(errmsgbuf, "Ok");
2407 * Check to see if the specified user has Internet mail permission
2408 * (returns nonzero if permission is granted)
2410 int CtdlCheckInternetMailPermission(struct ctdluser *who) {
2412 /* Globally enabled? */
2413 if (config.c_restrict == 0) return(1);
2415 /* User flagged ok? */
2416 if (who->flags & US_INTERNET) return(2);
2418 /* Aide level access? */
2419 if (who->axlevel >= 6) return(3);
2421 /* No mail for you! */
2428 * Validate recipients, count delivery types and errors, and handle aliasing
2429 * FIXME check for dupes!!!!!
2431 struct recptypes *validate_recipients(char *recipients) {
2432 struct recptypes *ret;
2433 char this_recp[SIZ];
2434 char this_recp_cooked[SIZ];
2440 struct ctdluser tempUS;
2441 struct ctdlroom tempQR;
2444 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2445 if (ret == NULL) return(NULL);
2446 memset(ret, 0, sizeof(struct recptypes));
2449 ret->num_internet = 0;
2454 if (recipients == NULL) {
2457 else if (strlen(recipients) == 0) {
2461 /* Change all valid separator characters to commas */
2462 for (i=0; i<strlen(recipients); ++i) {
2463 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2464 recipients[i] = ',';
2469 num_recps = num_tokens(recipients, ',');
2472 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2473 extract_token(this_recp, recipients, i, ',');
2475 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2476 mailtype = alias(this_recp);
2477 mailtype = alias(this_recp);
2478 mailtype = alias(this_recp);
2479 for (j=0; j<=strlen(this_recp); ++j) {
2480 if (this_recp[j]=='_') {
2481 this_recp_cooked[j] = ' ';
2484 this_recp_cooked[j] = this_recp[j];
2490 if (!strcasecmp(this_recp, "sysop")) {
2492 strcpy(this_recp, config.c_aideroom);
2493 if (strlen(ret->recp_room) > 0) {
2494 strcat(ret->recp_room, "|");
2496 strcat(ret->recp_room, this_recp);
2498 else if (getuser(&tempUS, this_recp) == 0) {
2500 strcpy(this_recp, tempUS.fullname);
2501 if (strlen(ret->recp_local) > 0) {
2502 strcat(ret->recp_local, "|");
2504 strcat(ret->recp_local, this_recp);
2506 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2508 strcpy(this_recp, tempUS.fullname);
2509 if (strlen(ret->recp_local) > 0) {
2510 strcat(ret->recp_local, "|");
2512 strcat(ret->recp_local, this_recp);
2514 else if ( (!strncasecmp(this_recp, "room_", 5))
2515 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2517 if (strlen(ret->recp_room) > 0) {
2518 strcat(ret->recp_room, "|");
2520 strcat(ret->recp_room, &this_recp_cooked[5]);
2528 /* Yes, you're reading this correctly: if the target
2529 * domain points back to the local system or an attached
2530 * Citadel directory, the address is invalid. That's
2531 * because if the address were valid, we would have
2532 * already translated it to a local address by now.
2534 if (IsDirectory(this_recp)) {
2539 ++ret->num_internet;
2540 if (strlen(ret->recp_internet) > 0) {
2541 strcat(ret->recp_internet, "|");
2543 strcat(ret->recp_internet, this_recp);
2548 if (strlen(ret->recp_ignet) > 0) {
2549 strcat(ret->recp_ignet, "|");
2551 strcat(ret->recp_ignet, this_recp);
2559 if (strlen(ret->errormsg) == 0) {
2560 snprintf(append, sizeof append,
2561 "Invalid recipient: %s",
2565 snprintf(append, sizeof append,
2568 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2569 strcat(ret->errormsg, append);
2573 if (strlen(ret->display_recp) == 0) {
2574 strcpy(append, this_recp);
2577 snprintf(append, sizeof append, ", %s",
2580 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2581 strcat(ret->display_recp, append);
2586 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2587 ret->num_room + ret->num_error) == 0) {
2589 strcpy(ret->errormsg, "No recipients specified.");
2592 lprintf(9, "validate_recipients()\n");
2593 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2594 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2595 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2596 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2597 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2605 * message entry - mode 0 (normal)
2607 void cmd_ent0(char *entargs)
2611 char masquerade_as[SIZ];
2613 int format_type = 0;
2614 char newusername[SIZ];
2615 struct CtdlMessage *msg;
2619 struct recptypes *valid = NULL;
2622 post = extract_int(entargs, 0);
2623 extract(recp, entargs, 1);
2624 anon_flag = extract_int(entargs, 2);
2625 format_type = extract_int(entargs, 3);
2626 extract(subject, entargs, 4);
2628 /* first check to make sure the request is valid. */
2630 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2632 cprintf("%d %s\n", err, errmsg);
2636 /* Check some other permission type things. */
2639 if (CC->user.axlevel < 6) {
2640 cprintf("%d You don't have permission to masquerade.\n",
2641 ERROR + HIGHER_ACCESS_REQUIRED);
2644 extract(newusername, entargs, 5);
2645 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2646 safestrncpy(CC->fake_postname, newusername,
2647 sizeof(CC->fake_postname) );
2648 cprintf("%d ok\n", CIT_OK);
2651 CC->cs_flags |= CS_POSTING;
2653 /* In the Mail> room we have to behave a little differently --
2654 * make sure the user has specified at least one recipient. Then
2655 * validate the recipient(s).
2657 if ( (CC->room.QRflags & QR_MAILBOX)
2658 && (!strcasecmp(&CC->room.QRname[11], MAILROOM)) ) {
2660 if (CC->user.axlevel < 2) {
2661 strcpy(recp, "sysop");
2664 valid = validate_recipients(recp);
2665 if (valid->num_error > 0) {
2667 ERROR + NO_SUCH_USER, valid->errormsg);
2671 if (valid->num_internet > 0) {
2672 if (CtdlCheckInternetMailPermission(&CC->user)==0) {
2673 cprintf("%d You do not have permission "
2674 "to send Internet mail.\n",
2675 ERROR + HIGHER_ACCESS_REQUIRED);
2681 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2682 && (CC->user.axlevel < 4) ) {
2683 cprintf("%d Higher access required for network mail.\n",
2684 ERROR + HIGHER_ACCESS_REQUIRED);
2689 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2690 && ((CC->user.flags & US_INTERNET) == 0)
2691 && (!CC->internal_pgm)) {
2692 cprintf("%d You don't have access to Internet mail.\n",
2693 ERROR + HIGHER_ACCESS_REQUIRED);
2700 /* Is this a room which has anonymous-only or anonymous-option? */
2701 anonymous = MES_NORMAL;
2702 if (CC->room.QRflags & QR_ANONONLY) {
2703 anonymous = MES_ANONONLY;
2705 if (CC->room.QRflags & QR_ANONOPT) {
2706 if (anon_flag == 1) { /* only if the user requested it */
2707 anonymous = MES_ANONOPT;
2711 if ((CC->room.QRflags & QR_MAILBOX) == 0) {
2715 /* If we're only checking the validity of the request, return
2716 * success without creating the message.
2719 cprintf("%d %s\n", CIT_OK,
2720 ((valid != NULL) ? valid->display_recp : "") );
2725 /* Handle author masquerading */
2726 if (CC->fake_postname[0]) {
2727 strcpy(masquerade_as, CC->fake_postname);
2729 else if (CC->fake_username[0]) {
2730 strcpy(masquerade_as, CC->fake_username);
2733 strcpy(masquerade_as, "");
2736 /* Read in the message from the client. */
2737 cprintf("%d send message\n", SEND_LISTING);
2738 msg = CtdlMakeMessage(&CC->user, recp,
2739 CC->room.QRname, anonymous, format_type,
2740 masquerade_as, subject, NULL);
2743 CtdlSubmitMsg(msg, valid, "");
2744 CtdlFreeMessage(msg);
2746 CC->fake_postname[0] = '\0';
2754 * API function to delete messages which match a set of criteria
2755 * (returns the actual number of messages deleted)
2757 int CtdlDeleteMessages(char *room_name, /* which room */
2758 long dmsgnum, /* or "0" for any */
2759 char *content_type /* or "" for any */
2763 struct ctdlroom qrbuf;
2764 struct cdbdata *cdbfr;
2765 long *msglist = NULL;
2766 long *dellist = NULL;
2769 int num_deleted = 0;
2771 struct MetaData smi;
2773 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2774 room_name, dmsgnum, content_type);
2776 /* get room record, obtaining a lock... */
2777 if (lgetroom(&qrbuf, room_name) != 0) {
2778 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2780 return (0); /* room not found */
2782 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2784 if (cdbfr != NULL) {
2785 msglist = mallok(cdbfr->len);
2786 dellist = mallok(cdbfr->len);
2787 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2788 num_msgs = cdbfr->len / sizeof(long);
2792 for (i = 0; i < num_msgs; ++i) {
2795 /* Set/clear a bit for each criterion */
2797 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2798 delete_this |= 0x01;
2800 if (strlen(content_type) == 0) {
2801 delete_this |= 0x02;
2803 GetMetaData(&smi, msglist[i]);
2804 if (!strcasecmp(smi.meta_content_type,
2806 delete_this |= 0x02;
2810 /* Delete message only if all bits are set */
2811 if (delete_this == 0x03) {
2812 dellist[num_deleted++] = msglist[i];
2817 num_msgs = sort_msglist(msglist, num_msgs);
2818 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2819 msglist, (num_msgs * sizeof(long)));
2821 qrbuf.QRhighest = msglist[num_msgs - 1];
2825 /* Go through the messages we pulled out of the index, and decrement
2826 * their reference counts by 1. If this is the only room the message
2827 * was in, the reference count will reach zero and the message will
2828 * automatically be deleted from the database. We do this in a
2829 * separate pass because there might be plug-in hooks getting called,
2830 * and we don't want that happening during an S_ROOMS critical
2833 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2834 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2835 AdjRefCount(dellist[i], -1);
2838 /* Now free the memory we used, and go away. */
2839 if (msglist != NULL) phree(msglist);
2840 if (dellist != NULL) phree(dellist);
2841 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2842 return (num_deleted);
2848 * Check whether the current user has permission to delete messages from
2849 * the current room (returns 1 for yes, 0 for no)
2851 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2852 getuser(&CC->user, CC->curr_user);
2853 if ((CC->user.axlevel < 6)
2854 && (CC->user.usernum != CC->room.QRroomaide)
2855 && ((CC->room.QRflags & QR_MAILBOX) == 0)
2856 && (!(CC->internal_pgm))) {
2865 * Delete message from current room
2867 void cmd_dele(char *delstr)
2872 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2873 cprintf("%d Higher access required.\n",
2874 ERROR + HIGHER_ACCESS_REQUIRED);
2877 delnum = extract_long(delstr, 0);
2879 num_deleted = CtdlDeleteMessages(CC->room.QRname, delnum, "");
2882 cprintf("%d %d message%s deleted.\n", CIT_OK,
2883 num_deleted, ((num_deleted != 1) ? "s" : ""));
2885 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2891 * Back end API function for moves and deletes
2893 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2896 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2897 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2898 if (err != 0) return(err);
2906 * move or copy a message to another room
2908 void cmd_move(char *args)
2912 struct ctdlroom qtemp;
2916 num = extract_long(args, 0);
2917 extract(targ, args, 1);
2918 targ[ROOMNAMELEN - 1] = 0;
2919 is_copy = extract_int(args, 2);
2921 if (getroom(&qtemp, targ) != 0) {
2922 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2926 getuser(&CC->user, CC->curr_user);
2927 /* Aides can move/copy */
2928 if ((CC->user.axlevel < 6)
2929 /* Roomaides can move/copy */
2930 && (CC->user.usernum != CC->room.QRroomaide)
2931 /* Permit move/copy to/from personal rooms */
2932 && (!((CC->room.QRflags & QR_MAILBOX)
2933 && (qtemp.QRflags & QR_MAILBOX)))
2934 /* Permit only copy from public to personal room */
2935 && (!(is_copy && !(CC->room.QRflags & QR_MAILBOX)
2936 && (qtemp.QRflags & QR_MAILBOX)))) {
2937 cprintf("%d Higher access required.\n",
2938 ERROR + HIGHER_ACCESS_REQUIRED);
2942 err = CtdlCopyMsgToRoom(num, targ);
2944 cprintf("%d Cannot store message in %s: error %d\n",
2949 /* Now delete the message from the source room,
2950 * if this is a 'move' rather than a 'copy' operation.
2953 CtdlDeleteMessages(CC->room.QRname, num, "");
2956 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2962 * GetMetaData() - Get the supplementary record for a message
2964 void GetMetaData(struct MetaData *smibuf, long msgnum)
2967 struct cdbdata *cdbsmi;
2970 memset(smibuf, 0, sizeof(struct MetaData));
2971 smibuf->meta_msgnum = msgnum;
2972 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2974 /* Use the negative of the message number for its supp record index */
2975 TheIndex = (0L - msgnum);
2977 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2978 if (cdbsmi == NULL) {
2979 return; /* record not found; go with defaults */
2981 memcpy(smibuf, cdbsmi->ptr,
2982 ((cdbsmi->len > sizeof(struct MetaData)) ?
2983 sizeof(struct MetaData) : cdbsmi->len));
2990 * PutMetaData() - (re)write supplementary record for a message
2992 void PutMetaData(struct MetaData *smibuf)
2996 /* Use the negative of the message number for the metadata db index */
2997 TheIndex = (0L - smibuf->meta_msgnum);
2999 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
3000 smibuf->meta_msgnum, smibuf->meta_refcount);
3002 cdb_store(CDB_MSGMAIN,
3003 &TheIndex, sizeof(long),
3004 smibuf, sizeof(struct MetaData));
3009 * AdjRefCount - change the reference count for a message;
3010 * delete the message if it reaches zero
3012 void AdjRefCount(long msgnum, int incr)
3015 struct MetaData smi;
3018 /* This is a *tight* critical section; please keep it that way, as
3019 * it may get called while nested in other critical sections.
3020 * Complicating this any further will surely cause deadlock!
3022 begin_critical_section(S_SUPPMSGMAIN);
3023 GetMetaData(&smi, msgnum);
3024 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
3025 msgnum, smi.meta_refcount);
3026 smi.meta_refcount += incr;
3028 end_critical_section(S_SUPPMSGMAIN);
3029 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
3030 msgnum, smi.meta_refcount);
3032 /* If the reference count is now zero, delete the message
3033 * (and its supplementary record as well).
3035 if (smi.meta_refcount == 0) {
3036 lprintf(9, "Deleting message <%ld>\n", msgnum);
3038 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3040 /* We have to delete the metadata record too! */
3041 delnum = (0L - msgnum);
3042 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
3047 * Write a generic object to this room
3049 * Note: this could be much more efficient. Right now we use two temporary
3050 * files, and still pull the message into memory as with all others.
3052 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
3053 char *content_type, /* MIME type of this object */
3054 char *tempfilename, /* Where to fetch it from */
3055 struct ctdluser *is_mailbox, /* Mailbox room? */
3056 int is_binary, /* Is encoding necessary? */
3057 int is_unique, /* Del others of this type? */
3058 unsigned int flags /* Internal save flags */
3063 struct ctdlroom qrbuf;
3064 char roomname[ROOMNAMELEN];
3065 struct CtdlMessage *msg;
3067 char *raw_message = NULL;
3068 char *encoded_message = NULL;
3069 off_t raw_length = 0;
3071 if (is_mailbox != NULL)
3072 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
3074 safestrncpy(roomname, req_room, sizeof(roomname));
3075 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
3078 fp = fopen(tempfilename, "rb");
3080 lprintf(5, "Cannot open %s: %s\n",
3081 tempfilename, strerror(errno));
3084 fseek(fp, 0L, SEEK_END);
3085 raw_length = ftell(fp);
3087 lprintf(9, "Raw length is %ld\n", (long)raw_length);
3089 raw_message = mallok((size_t)raw_length + 2);
3090 fread(raw_message, (size_t)raw_length, 1, fp);
3094 encoded_message = mallok((size_t)
3095 (((raw_length * 134) / 100) + 4096 ) );
3098 encoded_message = mallok((size_t)(raw_length + 4096));
3101 sprintf(encoded_message, "Content-type: %s\n", content_type);
3104 sprintf(&encoded_message[strlen(encoded_message)],
3105 "Content-transfer-encoding: base64\n\n"
3109 sprintf(&encoded_message[strlen(encoded_message)],
3110 "Content-transfer-encoding: 7bit\n\n"
3116 &encoded_message[strlen(encoded_message)],
3122 raw_message[raw_length] = 0;
3124 &encoded_message[strlen(encoded_message)],
3132 lprintf(9, "Allocating\n");
3133 msg = mallok(sizeof(struct CtdlMessage));
3134 memset(msg, 0, sizeof(struct CtdlMessage));
3135 msg->cm_magic = CTDLMESSAGE_MAGIC;
3136 msg->cm_anon_type = MES_NORMAL;
3137 msg->cm_format_type = 4;
3138 msg->cm_fields['A'] = strdoop(CC->user.fullname);
3139 msg->cm_fields['O'] = strdoop(req_room);
3140 msg->cm_fields['N'] = strdoop(config.c_nodename);
3141 msg->cm_fields['H'] = strdoop(config.c_humannode);
3142 msg->cm_flags = flags;
3144 msg->cm_fields['M'] = encoded_message;
3146 /* Create the requested room if we have to. */
3147 if (getroom(&qrbuf, roomname) != 0) {
3148 create_room(roomname,
3149 ( (is_mailbox != NULL) ? 5 : 3 ),
3152 /* If the caller specified this object as unique, delete all
3153 * other objects of this type that are currently in the room.
3156 lprintf(9, "Deleted %d other msgs of this type\n",
3157 CtdlDeleteMessages(roomname, 0L, content_type));
3159 /* Now write the data */
3160 CtdlSubmitMsg(msg, NULL, roomname);
3161 CtdlFreeMessage(msg);
3169 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3170 config_msgnum = msgnum;
3174 char *CtdlGetSysConfig(char *sysconfname) {
3175 char hold_rm[ROOMNAMELEN];
3178 struct CtdlMessage *msg;
3181 strcpy(hold_rm, CC->room.QRname);
3182 if (getroom(&CC->room, SYSCONFIGROOM) != 0) {
3183 getroom(&CC->room, hold_rm);
3188 /* We want the last (and probably only) config in this room */
3189 begin_critical_section(S_CONFIG);
3190 config_msgnum = (-1L);
3191 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3192 CtdlGetSysConfigBackend, NULL);
3193 msgnum = config_msgnum;
3194 end_critical_section(S_CONFIG);
3200 msg = CtdlFetchMessage(msgnum);
3202 conf = strdoop(msg->cm_fields['M']);
3203 CtdlFreeMessage(msg);
3210 getroom(&CC->room, hold_rm);
3212 if (conf != NULL) do {
3213 extract_token(buf, conf, 0, '\n');
3214 strcpy(conf, &conf[strlen(buf)+1]);
3215 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3220 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3221 char temp[PATH_MAX];
3224 strcpy(temp, tmpnam(NULL));
3226 fp = fopen(temp, "w");
3227 if (fp == NULL) return;
3228 fprintf(fp, "%s", sysconfdata);
3231 /* this handy API function does all the work for us */
3232 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
3238 * Determine whether a given Internet address belongs to the current user
3240 int CtdlIsMe(char *addr) {
3241 struct recptypes *recp;
3244 recp = validate_recipients(addr);
3245 if (recp == NULL) return(0);
3247 if (recp->num_local == 0) {
3252 for (i=0; i<recp->num_local; ++i) {
3253 extract(addr, recp->recp_local, i);
3254 if (!strcasecmp(addr, CC->user.fullname)) {
3266 * Citadel protocol command to do the same
3268 void cmd_isme(char *argbuf) {
3271 if (CtdlAccessCheck(ac_logged_in)) return;
3272 extract(addr, argbuf, 0);
3274 if (CtdlIsMe(addr)) {
3275 cprintf("%d %s\n", CIT_OK, addr);
3278 cprintf("%d Not you.\n", ERROR);