4 * Implements the message store.
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
39 #include "dynloader.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);
612 * memfmout() - Citadel text formatter and paginator.
613 * Although the original purpose of this routine was to format
614 * text to the reader's screen width, all we're really using it
615 * for here is to format text out to 80 columns before sending it
616 * to the client. The client software may reformat it again.
619 int width, /* screen width to use */
620 char *mptr, /* where are we going to get our text from? */
621 char subst, /* nonzero if we should do substitutions */
622 char *nl) /* string to terminate lines with */
634 c = 1; /* c is the current pos */
638 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
640 buffer[strlen(buffer) + 1] = 0;
641 buffer[strlen(buffer)] = ch;
644 if (buffer[0] == '^')
645 do_help_subst(buffer);
647 buffer[strlen(buffer) + 1] = 0;
649 strcpy(buffer, &buffer[1]);
657 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
659 if (((old == 13) || (old == 10)) && (isspace(real))) {
667 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
668 cprintf("%s%s", nl, aaa);
677 if ((strlen(aaa) + c) > (width - 5)) {
686 if ((ch == 13) || (ch == 10)) {
687 cprintf("%s%s", aaa, nl);
694 cprintf("%s%s", aaa, nl);
700 * Callback function for mime parser that simply lists the part
702 void list_this_part(char *name, char *filename, char *partnum, char *disp,
703 void *content, char *cbtype, size_t length, char *encoding,
707 cprintf("part=%s|%s|%s|%s|%s|%ld\n",
708 name, filename, partnum, disp, cbtype, (long)length);
712 * Callback function for multipart prefix
714 void list_this_pref(char *name, char *filename, char *partnum, char *disp,
715 void *content, char *cbtype, size_t length, char *encoding,
718 cprintf("pref=%s|%s\n", partnum, cbtype);
722 * Callback function for multipart sufffix
724 void list_this_suff(char *name, char *filename, char *partnum, char *disp,
725 void *content, char *cbtype, size_t length, char *encoding,
728 cprintf("suff=%s|%s\n", partnum, cbtype);
733 * Callback function for mime parser that opens a section for downloading
735 void mime_download(char *name, char *filename, char *partnum, char *disp,
736 void *content, char *cbtype, size_t length, char *encoding,
740 /* Silently go away if there's already a download open... */
741 if (CC->download_fp != NULL)
744 /* ...or if this is not the desired section */
745 if (strcasecmp(desired_section, partnum))
748 CC->download_fp = tmpfile();
749 if (CC->download_fp == NULL)
752 fwrite(content, length, 1, CC->download_fp);
753 fflush(CC->download_fp);
754 rewind(CC->download_fp);
756 OpenCmdResult(filename, cbtype);
762 * Load a message from disk into memory.
763 * This is used by CtdlOutputMsg() and other fetch functions.
765 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
766 * using the CtdlMessageFree() function.
768 struct CtdlMessage *CtdlFetchMessage(long msgnum)
770 struct cdbdata *dmsgtext;
771 struct CtdlMessage *ret = NULL;
774 CIT_UBYTE field_header;
777 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
778 if (dmsgtext == NULL) {
781 mptr = dmsgtext->ptr;
783 /* Parse the three bytes that begin EVERY message on disk.
784 * The first is always 0xFF, the on-disk magic number.
785 * The second is the anonymous/public type byte.
786 * The third is the format type byte (vari, fixed, or MIME).
790 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
794 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
795 memset(ret, 0, sizeof(struct CtdlMessage));
797 ret->cm_magic = CTDLMESSAGE_MAGIC;
798 ret->cm_anon_type = *mptr++; /* Anon type byte */
799 ret->cm_format_type = *mptr++; /* Format type byte */
802 * The rest is zero or more arbitrary fields. Load them in.
803 * We're done when we encounter either a zero-length field or
804 * have just processed the 'M' (message text) field.
807 field_length = strlen(mptr);
808 if (field_length == 0)
810 field_header = *mptr++;
811 ret->cm_fields[field_header] = mallok(field_length);
812 strcpy(ret->cm_fields[field_header], mptr);
814 while (*mptr++ != 0); /* advance to next field */
816 } while ((field_length > 0) && (field_header != 'M'));
820 /* Always make sure there's something in the msg text field */
821 if (ret->cm_fields['M'] == NULL)
822 ret->cm_fields['M'] = strdoop("<no text>\n");
824 /* Perform "before read" hooks (aborting if any return nonzero) */
825 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
826 CtdlFreeMessage(ret);
835 * Returns 1 if the supplied pointer points to a valid Citadel message.
836 * If the pointer is NULL or the magic number check fails, returns 0.
838 int is_valid_message(struct CtdlMessage *msg) {
841 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
842 lprintf(3, "is_valid_message() -- self-check failed\n");
850 * 'Destructor' for struct CtdlMessage
852 void CtdlFreeMessage(struct CtdlMessage *msg)
856 if (is_valid_message(msg) == 0) return;
858 for (i = 0; i < 256; ++i)
859 if (msg->cm_fields[i] != NULL) {
860 phree(msg->cm_fields[i]);
863 msg->cm_magic = 0; /* just in case */
869 * Pre callback function for multipart/alternative
871 * NOTE: this differs from the standard behavior for a reason. Normally when
872 * displaying multipart/alternative you want to show the _last_ usable
873 * format in the message. Here we show the _first_ one, because it's
874 * usually text/plain. Since this set of functions is designed for text
875 * output to non-MIME-aware clients, this is the desired behavior.
878 void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
879 void *content, char *cbtype, size_t length, char *encoding,
882 lprintf(9, "fixed_output_pre() type=<%s>\n", cbtype);
883 if (!strcasecmp(cbtype, "multipart/alternative")) {
891 * Post callback function for multipart/alternative
893 void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
894 void *content, char *cbtype, size_t length, char *encoding,
897 lprintf(9, "fixed_output_post() type=<%s>\n", cbtype);
898 if (!strcasecmp(cbtype, "multipart/alternative")) {
906 * Inline callback function for mime parser that wants to display text
908 void fixed_output(char *name, char *filename, char *partnum, char *disp,
909 void *content, char *cbtype, size_t length, char *encoding,
916 lprintf(9, "fixed_output() type=<%s>\n", cbtype);
919 * If we're in the middle of a multipart/alternative scope and
920 * we've already printed another section, skip this one.
922 if ( (ma->is_ma == 1) && (ma->did_print == 1) ) {
923 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
928 if ( (!strcasecmp(cbtype, "text/plain"))
929 || (strlen(cbtype)==0) ) {
932 client_write(wptr, length);
933 if (wptr[length-1] != '\n') {
938 else if (!strcasecmp(cbtype, "text/html")) {
939 ptr = html_to_ascii(content, 80, 0);
941 client_write(ptr, wlen);
942 if (ptr[wlen-1] != '\n') {
947 else if (strncasecmp(cbtype, "multipart/", 10)) {
948 cprintf("Part %s: %s (%s) (%ld bytes)\r\n",
949 partnum, filename, cbtype, (long)length);
954 * The client is elegant and sophisticated and wants to be choosy about
955 * MIME content types, so figure out which multipart/alternative part
956 * we're going to send.
958 void choose_preferred(char *name, char *filename, char *partnum, char *disp,
959 void *content, char *cbtype, size_t length, char *encoding,
966 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
967 extract(buf, CC->preferred_formats, i);
968 if (!strcasecmp(buf, cbtype)) {
969 strcpy(ma->chosen_part, partnum);
976 * Now that we've chosen our preferred part, output it.
978 void output_preferred(char *name, char *filename, char *partnum, char *disp,
979 void *content, char *cbtype, size_t length, char *encoding,
987 /* This is not the MIME part you're looking for... */
988 if (strcasecmp(partnum, ma->chosen_part)) return;
990 /* If the content-type of this part is in our preferred formats
991 * list, we can simply output it verbatim.
993 for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
994 extract(buf, CC->preferred_formats, i);
995 if (!strcasecmp(buf, cbtype)) {
996 /* Yeah! Go! W00t!! */
998 text_content = (char *)content;
999 if (text_content[length-1] != '\n') {
1003 cprintf("Content-type: %s\n", cbtype);
1004 cprintf("Content-length: %d\n",
1005 (int)(length + add_newline) );
1006 cprintf("Content-transfer-encoding: %s\n", encoding);
1008 client_write(content, length);
1009 if (add_newline) cprintf("\n");
1014 /* No translations required or possible: output as text/plain */
1015 cprintf("Content-type: text/plain\n\n");
1016 fixed_output(name, filename, partnum, disp, content, cbtype,
1017 length, encoding, cbuserdata);
1022 * Get a message off disk. (returns om_* values found in msgbase.h)
1025 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
1026 int mode, /* how would you like that message? */
1027 int headers_only, /* eschew the message body? */
1028 int do_proto, /* do Citadel protocol responses? */
1029 int crlf /* Use CRLF newlines instead of LF? */
1031 struct CtdlMessage *TheMessage;
1034 lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n",
1039 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1040 if (do_proto) cprintf("%d Not logged in.\n",
1041 ERROR + NOT_LOGGED_IN);
1042 return(om_not_logged_in);
1045 /* FIXME ... small security issue
1046 * We need to check to make sure the requested message is actually
1047 * in the current room, and set msg_ok to 1 only if it is. This
1048 * functionality is currently missing because I'm in a hurry to replace
1049 * broken production code with nonbroken pre-beta code. :( -- ajc
1052 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
1054 return(om_no_such_msg);
1059 * Fetch the message from disk.
1061 TheMessage = CtdlFetchMessage(msg_num);
1063 if (TheMessage == NULL) {
1064 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
1066 return(om_no_such_msg);
1069 retcode = CtdlOutputPreLoadedMsg(
1070 TheMessage, msg_num, mode,
1071 headers_only, do_proto, crlf);
1073 CtdlFreeMessage(TheMessage);
1080 * Get a message off disk. (returns om_* values found in msgbase.h)
1083 int CtdlOutputPreLoadedMsg(struct CtdlMessage *TheMessage,
1085 int mode, /* how would you like that message? */
1086 int headers_only, /* eschew the message body? */
1087 int do_proto, /* do Citadel protocol responses? */
1088 int crlf /* Use CRLF newlines instead of LF? */
1094 char display_name[SIZ];
1096 char *nl; /* newline string */
1099 /* buffers needed for RFC822 translation */
1106 char datestamp[SIZ];
1109 snprintf(mid, sizeof mid, "%ld", msg_num);
1110 nl = (crlf ? "\r\n" : "\n");
1112 if (!is_valid_message(TheMessage)) {
1113 lprintf(1, "ERROR: invalid preloaded message for output\n");
1114 return(om_no_such_msg);
1117 /* Are we downloading a MIME component? */
1118 if (mode == MT_DOWNLOAD) {
1119 if (TheMessage->cm_format_type != FMT_RFC822) {
1121 cprintf("%d This is not a MIME message.\n",
1123 } else if (CC->download_fp != NULL) {
1124 if (do_proto) cprintf(
1125 "%d You already have a download open.\n",
1128 /* Parse the message text component */
1129 mptr = TheMessage->cm_fields['M'];
1130 mime_parser(mptr, NULL,
1131 *mime_download, NULL, NULL,
1133 /* If there's no file open by this time, the requested
1134 * section wasn't found, so print an error
1136 if (CC->download_fp == NULL) {
1137 if (do_proto) cprintf(
1138 "%d Section %s not found.\n",
1139 ERROR + FILE_NOT_FOUND,
1143 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
1146 /* Does the caller want to skip the headers? */
1147 if (headers_only == HEADERS_NONE) goto START_TEXT;
1149 /* now for the user-mode message reading loops */
1150 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
1152 /* Tell the client which format type we're using. */
1153 if ( (mode == MT_CITADEL) && (do_proto) ) {
1154 cprintf("type=%d\n", TheMessage->cm_format_type);
1157 /* nhdr=yes means that we're only displaying headers, no body */
1158 if ( (TheMessage->cm_anon_type == MES_ANONONLY)
1159 && (mode == MT_CITADEL)
1162 cprintf("nhdr=yes\n");
1165 /* begin header processing loop for Citadel message format */
1167 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
1169 strcpy(display_name, "<unknown>");
1170 if (TheMessage->cm_fields['A']) {
1171 strcpy(buf, TheMessage->cm_fields['A']);
1172 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
1173 if (TheMessage->cm_anon_type == MES_ANONONLY) {
1174 strcpy(display_name, "****");
1176 else if (TheMessage->cm_anon_type == MES_ANONOPT) {
1177 strcpy(display_name, "anonymous");
1180 strcpy(display_name, buf);
1182 if ((is_room_aide())
1183 && ((TheMessage->cm_anon_type == MES_ANONONLY)
1184 || (TheMessage->cm_anon_type == MES_ANONOPT))) {
1185 size_t tmp = strlen(display_name);
1186 snprintf(&display_name[tmp],
1187 sizeof display_name - tmp,
1192 /* Don't show Internet address for users on the
1193 * local Citadel network.
1196 if (TheMessage->cm_fields['N'] != NULL)
1197 if (strlen(TheMessage->cm_fields['N']) > 0)
1198 if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
1202 /* Now spew the header fields in the order we like them. */
1203 strcpy(allkeys, FORDER);
1204 for (i=0; i<strlen(allkeys); ++i) {
1205 k = (int) allkeys[i];
1207 if ( (TheMessage->cm_fields[k] != NULL)
1208 && (msgkeys[k] != NULL) ) {
1210 if (do_proto) cprintf("%s=%s\n",
1214 else if ((k == 'F') && (suppress_f)) {
1217 /* Masquerade display name if needed */
1219 if (do_proto) cprintf("%s=%s\n",
1221 TheMessage->cm_fields[k]
1230 /* begin header processing loop for RFC822 transfer format */
1235 strcpy(snode, NODENAME);
1236 strcpy(lnode, HUMANNODE);
1237 if (mode == MT_RFC822) {
1238 cprintf("X-UIDL: %ld%s", msg_num, nl);
1239 for (i = 0; i < 256; ++i) {
1240 if (TheMessage->cm_fields[i]) {
1241 mptr = TheMessage->cm_fields[i];
1244 strcpy(luser, mptr);
1245 strcpy(suser, mptr);
1248 "Path:" removed for now because it confuses brain-dead Microsoft shitware
1249 into thinking that mail messages are newsgroup messages instead. When we
1250 add NNTP support back into Citadel we'll have to add code to only output
1251 this field when appropriate.
1252 else if (i == 'P') {
1253 cprintf("Path: %s%s", mptr, nl);
1257 cprintf("Subject: %s%s", mptr, nl);
1259 safestrncpy(mid, mptr, sizeof mid);
1261 safestrncpy(lnode, mptr, sizeof lnode);
1263 safestrncpy(fuser, mptr, sizeof fuser);
1265 cprintf("X-Citadel-Room: %s%s",
1268 safestrncpy(snode, mptr, sizeof snode);
1270 cprintf("To: %s%s", mptr, nl);
1271 else if (i == 'T') {
1272 datestring(datestamp, sizeof datestamp,
1273 atol(mptr), DATESTRING_RFC822);
1274 cprintf("Date: %s%s", datestamp, nl);
1280 for (i=0; i<strlen(suser); ++i) {
1281 suser[i] = tolower(suser[i]);
1282 if (!isalnum(suser[i])) suser[i]='_';
1285 if (mode == MT_RFC822) {
1286 if (!strcasecmp(snode, NODENAME)) {
1287 strcpy(snode, FQDN);
1290 /* Construct a fun message id */
1291 cprintf("Message-ID: <%s", mid);
1292 if (strchr(mid, '@')==NULL) {
1293 cprintf("@%s", snode);
1297 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1299 if (strlen(fuser) > 0) {
1300 cprintf("From: %s (%s)%s", fuser, luser, nl);
1303 cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1306 cprintf("Organization: %s%s", lnode, nl);
1309 /* end header processing loop ... at this point, we're in the text */
1311 mptr = TheMessage->cm_fields['M'];
1313 /* Tell the client about the MIME parts in this message */
1314 if (TheMessage->cm_format_type == FMT_RFC822) {
1315 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1316 mime_parser(mptr, NULL,
1322 else if (mode == MT_RFC822) { /* unparsed RFC822 dump */
1323 /* FIXME ... we have to put some code in here to avoid
1324 * printing duplicate header information when both
1325 * Citadel and RFC822 headers exist. Preference should
1326 * probably be given to the RFC822 headers.
1328 while (ch=*(mptr++), ch!=0) {
1330 else if (ch==10) cprintf("%s", nl);
1331 else cprintf("%c", ch);
1333 if (do_proto) cprintf("000\n");
1338 if (headers_only == HEADERS_ONLY) {
1339 if (do_proto) cprintf("000\n");
1343 /* signify start of msg text */
1344 if ( (mode == MT_CITADEL) || (mode == MT_MIME) ) {
1345 if (do_proto) cprintf("text\n");
1347 if (mode == MT_RFC822) {
1348 if (TheMessage->cm_fields['U'] == NULL) {
1349 cprintf("Subject: (no subject)%s", nl);
1354 /* If the format type on disk is 1 (fixed-format), then we want
1355 * everything to be output completely literally ... regardless of
1356 * what message transfer format is in use.
1358 if (TheMessage->cm_format_type == FMT_FIXED) {
1359 if (mode == MT_MIME) {
1360 cprintf("Content-type: text/plain\n\n");
1363 while (ch = *mptr++, ch > 0) {
1366 if ((ch == 10) || (strlen(buf) > 250)) {
1367 cprintf("%s%s", buf, nl);
1370 buf[strlen(buf) + 1] = 0;
1371 buf[strlen(buf)] = ch;
1374 if (strlen(buf) > 0)
1375 cprintf("%s%s", buf, nl);
1378 /* If the message on disk is format 0 (Citadel vari-format), we
1379 * output using the formatter at 80 columns. This is the final output
1380 * form if the transfer format is RFC822, but if the transfer format
1381 * is Citadel proprietary, it'll still work, because the indentation
1382 * for new paragraphs is correct and the client will reformat the
1383 * message to the reader's screen width.
1385 if (TheMessage->cm_format_type == FMT_CITADEL) {
1386 if (mode == MT_MIME) {
1387 cprintf("Content-type: text/x-citadel-variformat\n\n");
1389 memfmout(80, mptr, 0, nl);
1392 /* If the message on disk is format 4 (MIME), we've gotta hand it
1393 * off to the MIME parser. The client has already been told that
1394 * this message is format 1 (fixed format), so the callback function
1395 * we use will display those parts as-is.
1397 if (TheMessage->cm_format_type == FMT_RFC822) {
1398 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1399 memset(ma, 0, sizeof(struct ma_info));
1401 if (mode == MT_MIME) {
1402 strcpy(ma->chosen_part, "1");
1403 mime_parser(mptr, NULL,
1404 *choose_preferred, *fixed_output_pre,
1405 *fixed_output_post, NULL, 0);
1406 mime_parser(mptr, NULL,
1407 *output_preferred, NULL, NULL, NULL, 0);
1410 mime_parser(mptr, NULL,
1411 *fixed_output, *fixed_output_pre,
1412 *fixed_output_post, NULL, 0);
1416 /* now we're done */
1417 if (do_proto) cprintf("000\n");
1424 * display a message (mode 0 - Citadel proprietary)
1426 void cmd_msg0(char *cmdbuf)
1429 int headers_only = HEADERS_ALL;
1431 msgid = extract_long(cmdbuf, 0);
1432 headers_only = extract_int(cmdbuf, 1);
1434 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
1440 * display a message (mode 2 - RFC822)
1442 void cmd_msg2(char *cmdbuf)
1445 int headers_only = HEADERS_ALL;
1447 msgid = extract_long(cmdbuf, 0);
1448 headers_only = extract_int(cmdbuf, 1);
1450 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
1456 * display a message (mode 3 - IGnet raw format - internal programs only)
1458 void cmd_msg3(char *cmdbuf)
1461 struct CtdlMessage *msg;
1464 if (CC->internal_pgm == 0) {
1465 cprintf("%d This command is for internal programs only.\n",
1470 msgnum = extract_long(cmdbuf, 0);
1471 msg = CtdlFetchMessage(msgnum);
1473 cprintf("%d Message %ld not found.\n",
1478 serialize_message(&smr, msg);
1479 CtdlFreeMessage(msg);
1482 cprintf("%d Unable to serialize message\n",
1483 ERROR+INTERNAL_ERROR);
1487 cprintf("%d %ld\n", BINARY_FOLLOWS, (long)smr.len);
1488 client_write(smr.ser, smr.len);
1495 * Display a message using MIME content types
1497 void cmd_msg4(char *cmdbuf)
1501 msgid = extract_long(cmdbuf, 0);
1502 CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
1508 * Client tells us its preferred message format(s)
1510 void cmd_msgp(char *cmdbuf)
1512 safestrncpy(CC->preferred_formats, cmdbuf,
1513 sizeof(CC->preferred_formats));
1514 cprintf("%d ok\n", CIT_OK);
1519 * Open a component of a MIME message as a download file
1521 void cmd_opna(char *cmdbuf)
1525 CtdlAllocUserData(SYM_DESIRED_SECTION, SIZ);
1527 msgid = extract_long(cmdbuf, 0);
1528 extract(desired_section, cmdbuf, 1);
1530 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
1535 * Save a message pointer into a specified room
1536 * (Returns 0 for success, nonzero for failure)
1537 * roomname may be NULL to use the current room
1539 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1541 char hold_rm[ROOMNAMELEN];
1542 struct cdbdata *cdbfr;
1545 long highest_msg = 0L;
1546 struct CtdlMessage *msg = NULL;
1548 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1549 roomname, msgid, flags);
1551 strcpy(hold_rm, CC->quickroom.QRname);
1553 /* We may need to check to see if this message is real */
1554 if ( (flags & SM_VERIFY_GOODNESS)
1555 || (flags & SM_DO_REPL_CHECK)
1557 msg = CtdlFetchMessage(msgid);
1558 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1561 /* Perform replication checks if necessary */
1562 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1564 if (getroom(&CC->quickroom,
1565 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1567 lprintf(9, "No such room <%s>\n", roomname);
1568 if (msg != NULL) CtdlFreeMessage(msg);
1569 return(ERROR + ROOM_NOT_FOUND);
1572 if (ReplicationChecks(msg) != 0) {
1573 getroom(&CC->quickroom, hold_rm);
1574 if (msg != NULL) CtdlFreeMessage(msg);
1575 lprintf(9, "Did replication, and newer exists\n");
1580 /* Now the regular stuff */
1581 if (lgetroom(&CC->quickroom,
1582 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1584 lprintf(9, "No such room <%s>\n", roomname);
1585 if (msg != NULL) CtdlFreeMessage(msg);
1586 return(ERROR + ROOM_NOT_FOUND);
1589 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1590 if (cdbfr == NULL) {
1594 msglist = mallok(cdbfr->len);
1595 if (msglist == NULL)
1596 lprintf(3, "ERROR malloc msglist!\n");
1597 num_msgs = cdbfr->len / sizeof(long);
1598 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1603 /* Make sure the message doesn't already exist in this room. It
1604 * is absolutely taboo to have more than one reference to the same
1605 * message in a room.
1607 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1608 if (msglist[i] == msgid) {
1609 lputroom(&CC->quickroom); /* unlock the room */
1610 getroom(&CC->quickroom, hold_rm);
1611 if (msg != NULL) CtdlFreeMessage(msg);
1612 return(ERROR + ALREADY_EXISTS);
1616 /* Now add the new message */
1618 msglist = reallok(msglist,
1619 (num_msgs * sizeof(long)));
1621 if (msglist == NULL) {
1622 lprintf(3, "ERROR: can't realloc message list!\n");
1624 msglist[num_msgs - 1] = msgid;
1626 /* Sort the message list, so all the msgid's are in order */
1627 num_msgs = sort_msglist(msglist, num_msgs);
1629 /* Determine the highest message number */
1630 highest_msg = msglist[num_msgs - 1];
1632 /* Write it back to disk. */
1633 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1634 msglist, num_msgs * sizeof(long));
1636 /* Free up the memory we used. */
1639 /* Update the highest-message pointer and unlock the room. */
1640 CC->quickroom.QRhighest = highest_msg;
1641 lputroom(&CC->quickroom);
1642 getroom(&CC->quickroom, hold_rm);
1644 /* Bump the reference count for this message. */
1645 if ((flags & SM_DONT_BUMP_REF)==0) {
1646 AdjRefCount(msgid, +1);
1649 /* Return success. */
1650 if (msg != NULL) CtdlFreeMessage(msg);
1657 * Message base operation to send a message to the master file
1658 * (returns new message number)
1660 * This is the back end for CtdlSubmitMsg() and should not be directly
1661 * called by server-side modules.
1664 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1665 FILE *save_a_copy) /* save a copy to disk? */
1672 /* Get a new message number */
1673 newmsgid = get_new_message_number();
1674 snprintf(msgidbuf, sizeof msgidbuf, "%ld@%s", newmsgid, config.c_fqdn);
1676 /* Generate an ID if we don't have one already */
1677 if (msg->cm_fields['I']==NULL) {
1678 msg->cm_fields['I'] = strdoop(msgidbuf);
1681 serialize_message(&smr, msg);
1684 cprintf("%d Unable to serialize message\n",
1685 ERROR+INTERNAL_ERROR);
1689 /* Write our little bundle of joy into the message base */
1690 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1691 smr.ser, smr.len) < 0) {
1692 lprintf(2, "Can't store message\n");
1698 /* If the caller specified that a copy should be saved to a particular
1699 * file handle, do that now too.
1701 if (save_a_copy != NULL) {
1702 fwrite(smr.ser, smr.len, 1, save_a_copy);
1705 /* Free the memory we used for the serialized message */
1708 /* Return the *local* message ID to the caller
1709 * (even if we're storing an incoming network message)
1717 * Serialize a struct CtdlMessage into the format used on disk and network.
1719 * This function loads up a "struct ser_ret" (defined in server.h) which
1720 * contains the length of the serialized message and a pointer to the
1721 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1723 void serialize_message(struct ser_ret *ret, /* return values */
1724 struct CtdlMessage *msg) /* unserialized msg */
1728 static char *forder = FORDER;
1730 if (is_valid_message(msg) == 0) return; /* self check */
1733 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1734 ret->len = ret->len +
1735 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1737 lprintf(9, "serialize_message() calling malloc(%ld)\n", (long)ret->len);
1738 ret->ser = mallok(ret->len);
1739 if (ret->ser == NULL) {
1745 ret->ser[1] = msg->cm_anon_type;
1746 ret->ser[2] = msg->cm_format_type;
1749 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1750 ret->ser[wlen++] = (char)forder[i];
1751 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1752 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1754 if (ret->len != wlen) lprintf(3, "ERROR: len=%ld wlen=%ld\n",
1755 (long)ret->len, (long)wlen);
1763 * Back end for the ReplicationChecks() function
1765 void check_repl(long msgnum, void *userdata) {
1766 struct CtdlMessage *msg;
1767 time_t timestamp = (-1L);
1769 lprintf(9, "check_repl() found message %ld\n", msgnum);
1770 msg = CtdlFetchMessage(msgnum);
1771 if (msg == NULL) return;
1772 if (msg->cm_fields['T'] != NULL) {
1773 timestamp = atol(msg->cm_fields['T']);
1775 CtdlFreeMessage(msg);
1777 if (timestamp > msg_repl->highest) {
1778 msg_repl->highest = timestamp; /* newer! */
1779 lprintf(9, "newer!\n");
1782 lprintf(9, "older!\n");
1784 /* Existing isn't newer? Then delete the old one(s). */
1785 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, "");
1790 * Check to see if any messages already exist which carry the same Extended ID
1794 * -> With older timestamps: delete them and return 0. Message will be saved.
1795 * -> With newer timestamps: return 1. Message save will be aborted.
1797 int ReplicationChecks(struct CtdlMessage *msg) {
1798 struct CtdlMessage *template;
1801 lprintf(9, "ReplicationChecks() started\n");
1802 /* No extended id? Don't do anything. */
1803 if (msg->cm_fields['E'] == NULL) return 0;
1804 if (strlen(msg->cm_fields['E']) == 0) return 0;
1805 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1807 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1808 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1809 msg_repl->highest = atol(msg->cm_fields['T']);
1811 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1812 memset(template, 0, sizeof(struct CtdlMessage));
1813 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1815 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl, NULL);
1817 /* If a newer message exists with the same Extended ID, abort
1820 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1824 CtdlFreeMessage(template);
1825 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1833 * Save a message to disk and submit it into the delivery system.
1835 long CtdlSubmitMsg(struct CtdlMessage *msg, /* message to save */
1836 struct recptypes *recps, /* recipients (if mail) */
1837 char *force /* force a particular room? */
1840 char hold_rm[ROOMNAMELEN];
1841 char actual_rm[ROOMNAMELEN];
1842 char force_room[ROOMNAMELEN];
1843 char content_type[SIZ]; /* We have to learn this */
1844 char recipient[SIZ];
1847 struct usersupp userbuf;
1849 struct MetaData smi;
1850 FILE *network_fp = NULL;
1851 static int seqnum = 1;
1852 struct CtdlMessage *imsg = NULL;
1855 char *hold_R, *hold_D;
1857 lprintf(9, "CtdlSubmitMsg() called\n");
1858 if (is_valid_message(msg) == 0) return(-1); /* self check */
1860 /* If this message has no timestamp, we take the liberty of
1861 * giving it one, right now.
1863 if (msg->cm_fields['T'] == NULL) {
1864 lprintf(9, "Generating timestamp\n");
1865 snprintf(aaa, sizeof aaa, "%ld", (long)time(NULL));
1866 msg->cm_fields['T'] = strdoop(aaa);
1869 /* If this message has no path, we generate one.
1871 if (msg->cm_fields['P'] == NULL) {
1872 lprintf(9, "Generating path\n");
1873 if (msg->cm_fields['A'] != NULL) {
1874 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1875 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1876 if (isspace(msg->cm_fields['P'][a])) {
1877 msg->cm_fields['P'][a] = ' ';
1882 msg->cm_fields['P'] = strdoop("unknown");
1886 if (force == NULL) {
1887 strcpy(force_room, "");
1890 strcpy(force_room, force);
1893 /* Learn about what's inside, because it's what's inside that counts */
1894 lprintf(9, "Learning what's inside\n");
1895 if (msg->cm_fields['M'] == NULL) {
1896 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1899 switch (msg->cm_format_type) {
1901 strcpy(content_type, "text/x-citadel-variformat");
1904 strcpy(content_type, "text/plain");
1907 strcpy(content_type, "text/plain");
1908 /* advance past header fields */
1909 mptr = msg->cm_fields['M'];
1912 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1913 safestrncpy(content_type, mptr,
1914 sizeof(content_type));
1915 strcpy(content_type, &content_type[14]);
1916 for (a = 0; a < strlen(content_type); ++a)
1917 if ((content_type[a] == ';')
1918 || (content_type[a] == ' ')
1919 || (content_type[a] == 13)
1920 || (content_type[a] == 10))
1921 content_type[a] = 0;
1928 /* Goto the correct room */
1929 lprintf(9, "Switching rooms\n");
1930 strcpy(hold_rm, CC->quickroom.QRname);
1931 strcpy(actual_rm, CC->quickroom.QRname);
1932 if (recps != NULL) {
1933 strcpy(actual_rm, SENTITEMS);
1936 /* If the user is a twit, move to the twit room for posting */
1937 lprintf(9, "Handling twit stuff\n");
1939 if (CC->usersupp.axlevel == 2) {
1940 strcpy(hold_rm, actual_rm);
1941 strcpy(actual_rm, config.c_twitroom);
1945 /* ...or if this message is destined for Aide> then go there. */
1946 if (strlen(force_room) > 0) {
1947 strcpy(actual_rm, force_room);
1950 lprintf(9, "Possibly relocating\n");
1951 if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
1952 getroom(&CC->quickroom, actual_rm);
1956 * If this message has no O (room) field, generate one.
1958 if (msg->cm_fields['O'] == NULL) {
1959 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1962 /* Perform "before save" hooks (aborting if any return nonzero) */
1963 lprintf(9, "Performing before-save hooks\n");
1964 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1966 /* If this message has an Extended ID, perform replication checks */
1967 lprintf(9, "Performing replication checks\n");
1968 if (ReplicationChecks(msg) > 0) return(-1);
1970 /* Save it to disk */
1971 lprintf(9, "Saving to disk\n");
1972 newmsgid = send_message(msg, NULL);
1973 if (newmsgid <= 0L) return(-1);
1975 /* Write a supplemental message info record. This doesn't have to
1976 * be a critical section because nobody else knows about this message
1979 lprintf(9, "Creating MetaData record\n");
1980 memset(&smi, 0, sizeof(struct MetaData));
1981 smi.meta_msgnum = newmsgid;
1982 smi.meta_refcount = 0;
1983 safestrncpy(smi.meta_content_type, content_type, 64);
1986 /* Now figure out where to store the pointers */
1987 lprintf(9, "Storing pointers\n");
1989 /* If this is being done by the networker delivering a private
1990 * message, we want to BYPASS saving the sender's copy (because there
1991 * is no local sender; it would otherwise go to the Trashcan).
1993 if ((!CC->internal_pgm) || (recps == NULL)) {
1994 if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0) != 0) {
1995 lprintf(3, "ERROR saving message pointer!\n");
1996 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2000 /* For internet mail, drop a copy in the outbound queue room */
2002 if (recps->num_internet > 0) {
2003 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
2006 /* If other rooms are specified, drop them there too. */
2008 if (recps->num_room > 0)
2009 for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
2010 extract(recipient, recps->recp_room, i);
2011 lprintf(9, "Delivering to local room <%s>\n", recipient);
2012 CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0);
2015 /* Bump this user's messages posted counter. */
2016 lprintf(9, "Updating user\n");
2017 lgetuser(&CC->usersupp, CC->curr_user);
2018 CC->usersupp.posted = CC->usersupp.posted + 1;
2019 lputuser(&CC->usersupp);
2021 /* If this is private, local mail, make a copy in the
2022 * recipient's mailbox and bump the reference count.
2025 if (recps->num_local > 0)
2026 for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
2027 extract(recipient, recps->recp_local, i);
2028 lprintf(9, "Delivering private local mail to <%s>\n",
2030 if (getuser(&userbuf, recipient) == 0) {
2031 MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
2032 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
2033 BumpNewMailCounter(userbuf.usernum);
2036 lprintf(9, "No user <%s>\n", recipient);
2037 CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0);
2041 /* Perform "after save" hooks */
2042 lprintf(9, "Performing after-save hooks\n");
2043 PerformMessageHooks(msg, EVT_AFTERSAVE);
2045 /* For IGnet mail, we have to save a new copy into the spooler for
2046 * each recipient, with the R and D fields set to the recipient and
2047 * destination-node. This has two ugly side effects: all other
2048 * recipients end up being unlisted in this recipient's copy of the
2049 * message, and it has to deliver multiple messages to the same
2050 * node. We'll revisit this again in a year or so when everyone has
2051 * a network spool receiver that can handle the new style messages.
2054 if (recps->num_ignet > 0)
2055 for (i=0; i<num_tokens(recps->recp_ignet, '|'); ++i) {
2056 extract(recipient, recps->recp_ignet, i);
2058 hold_R = msg->cm_fields['R'];
2059 hold_D = msg->cm_fields['D'];
2060 msg->cm_fields['R'] = mallok(SIZ);
2061 msg->cm_fields['D'] = mallok(SIZ);
2062 extract_token(msg->cm_fields['R'], recipient, 0, '@');
2063 extract_token(msg->cm_fields['D'], recipient, 1, '@');
2065 serialize_message(&smr, msg);
2067 snprintf(aaa, sizeof aaa,
2068 "./network/spoolin/netmail.%04lx.%04x.%04x",
2069 (long) getpid(), CC->cs_pid, ++seqnum);
2070 network_fp = fopen(aaa, "wb+");
2071 if (network_fp != NULL) {
2072 fwrite(smr.ser, smr.len, 1, network_fp);
2078 phree(msg->cm_fields['R']);
2079 phree(msg->cm_fields['D']);
2080 msg->cm_fields['R'] = hold_R;
2081 msg->cm_fields['D'] = hold_D;
2084 /* Go back to the room we started from */
2085 lprintf(9, "Returning to original room\n");
2086 if (strcasecmp(hold_rm, CC->quickroom.QRname))
2087 getroom(&CC->quickroom, hold_rm);
2089 /* For internet mail, generate delivery instructions.
2090 * Yes, this is recursive. Deal with it. Infinite recursion does
2091 * not happen because the delivery instructions message does not
2092 * contain a recipient.
2095 if (recps->num_internet > 0) {
2096 lprintf(9, "Generating delivery instructions\n");
2097 instr = mallok(SIZ * 2);
2098 snprintf(instr, SIZ * 2,
2099 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
2101 SPOOLMIME, newmsgid, (long)time(NULL),
2102 msg->cm_fields['A'], msg->cm_fields['N']
2105 for (i=0; i<num_tokens(recps->recp_internet, '|'); ++i) {
2106 size_t tmp = strlen(instr);
2107 extract(recipient, recps->recp_internet, i);
2108 snprintf(&instr[tmp], SIZ * 2 - tmp,
2109 "remote|%s|0||\n", recipient);
2112 imsg = mallok(sizeof(struct CtdlMessage));
2113 memset(imsg, 0, sizeof(struct CtdlMessage));
2114 imsg->cm_magic = CTDLMESSAGE_MAGIC;
2115 imsg->cm_anon_type = MES_NORMAL;
2116 imsg->cm_format_type = FMT_RFC822;
2117 imsg->cm_fields['A'] = strdoop("Citadel");
2118 imsg->cm_fields['M'] = instr;
2119 CtdlSubmitMsg(imsg, NULL, SMTP_SPOOLOUT_ROOM);
2120 CtdlFreeMessage(imsg);
2129 * Convenience function for generating small administrative messages.
2131 void quickie_message(char *from, char *to, char *room, char *text,
2132 int format_type, char *subject)
2134 struct CtdlMessage *msg;
2135 struct recptypes *recp = NULL;
2137 msg = mallok(sizeof(struct CtdlMessage));
2138 memset(msg, 0, sizeof(struct CtdlMessage));
2139 msg->cm_magic = CTDLMESSAGE_MAGIC;
2140 msg->cm_anon_type = MES_NORMAL;
2141 msg->cm_format_type = format_type;
2142 msg->cm_fields['A'] = strdoop(from);
2143 if (room != NULL) msg->cm_fields['O'] = strdoop(room);
2144 msg->cm_fields['N'] = strdoop(NODENAME);
2146 msg->cm_fields['R'] = strdoop(to);
2147 recp = validate_recipients(to);
2149 if (subject != NULL) {
2150 msg->cm_fields['U'] = strdoop(subject);
2152 msg->cm_fields['M'] = strdoop(text);
2154 CtdlSubmitMsg(msg, recp, room);
2155 CtdlFreeMessage(msg);
2156 if (recp != NULL) phree(recp);
2162 * Back end function used by make_message() and similar functions
2164 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
2165 size_t maxlen, /* maximum message length */
2166 char *exist /* if non-null, append to it;
2167 exist is ALWAYS freed */
2171 size_t message_len = 0;
2172 size_t buffer_len = 0;
2176 if (exist == NULL) {
2183 message_len = strlen(exist);
2184 buffer_len = message_len + 4096;
2185 m = reallok(exist, buffer_len);
2192 /* flush the input if we have nowhere to store it */
2194 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
2198 /* read in the lines of message text one by one */
2199 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
2201 /* Measure the line and strip trailing newline characters */
2202 linelen = strlen(buf);
2203 if (linelen > 0) if (buf[linelen-1]==13) buf[linelen--]=0;
2204 if (linelen > 0) if (buf[linelen-1]==10) buf[linelen--]=0;
2206 /* augment the buffer if we have to */
2207 if ((message_len + linelen + 2) > buffer_len) {
2208 lprintf(9, "realloking\n");
2209 ptr = reallok(m, (buffer_len * 2) );
2210 if (ptr == NULL) { /* flush if can't allocate */
2211 while ( (client_gets(buf)>0) &&
2212 strcmp(buf, terminator)) ;;
2215 buffer_len = (buffer_len * 2);
2217 lprintf(9, "buffer_len is %ld\n", (long)buffer_len);
2221 /* Add the new line to the buffer. NOTE: this loop must avoid
2222 * using functions like strcat() and strlen() because they
2223 * traverse the entire buffer upon every call, and doing that
2224 * for a multi-megabyte message slows it down beyond usability.
2226 strcpy(&m[message_len], buf);
2227 m[message_len + linelen] = '\n';
2228 m[message_len + linelen + 1] = 0;
2229 message_len = message_len + linelen + 1;
2231 /* if we've hit the max msg length, flush the rest */
2232 if (message_len >= maxlen) {
2233 while ( (client_gets(buf)>0)
2234 && strcmp(buf, terminator)) ;;
2245 * Build a binary message to be saved on disk.
2248 static struct CtdlMessage *make_message(
2249 struct usersupp *author, /* author's usersupp structure */
2250 char *recipient, /* NULL if it's not mail */
2251 char *room, /* room where it's going */
2252 int type, /* see MES_ types in header file */
2253 int format_type, /* variformat, plain text, MIME... */
2254 char *fake_name, /* who we're masquerading as */
2255 char *subject /* Subject (optional) */
2257 char dest_node[SIZ];
2259 struct CtdlMessage *msg;
2261 msg = mallok(sizeof(struct CtdlMessage));
2262 memset(msg, 0, sizeof(struct CtdlMessage));
2263 msg->cm_magic = CTDLMESSAGE_MAGIC;
2264 msg->cm_anon_type = type;
2265 msg->cm_format_type = format_type;
2267 /* Don't confuse the poor folks if it's not routed mail. */
2268 strcpy(dest_node, "");
2272 snprintf(buf, sizeof buf, "cit%ld", author->usernum); /* Path */
2273 msg->cm_fields['P'] = strdoop(buf);
2275 snprintf(buf, sizeof buf, "%ld", (long)time(NULL)); /* timestamp */
2276 msg->cm_fields['T'] = strdoop(buf);
2278 if (fake_name[0]) /* author */
2279 msg->cm_fields['A'] = strdoop(fake_name);
2281 msg->cm_fields['A'] = strdoop(author->fullname);
2283 if (CC->quickroom.QRflags & QR_MAILBOX) { /* room */
2284 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
2287 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
2290 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
2291 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
2293 if (recipient[0] != 0) {
2294 msg->cm_fields['R'] = strdoop(recipient);
2296 if (dest_node[0] != 0) {
2297 msg->cm_fields['D'] = strdoop(dest_node);
2300 if ( (author == &CC->usersupp) && (CC->cs_inet_email != NULL) ) {
2301 msg->cm_fields['F'] = strdoop(CC->cs_inet_email);
2304 if (subject != NULL) {
2306 if (strlen(subject) > 0) {
2307 msg->cm_fields['U'] = strdoop(subject);
2311 msg->cm_fields['M'] = CtdlReadMessageBody("000",
2312 config.c_maxmsglen, NULL);
2319 * Check to see whether we have permission to post a message in the current
2320 * room. Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
2321 * returns 0 on success.
2323 int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
2325 if (!(CC->logged_in)) {
2326 snprintf(errmsgbuf, n, "Not logged in.");
2327 return (ERROR + NOT_LOGGED_IN);
2330 if ((CC->usersupp.axlevel < 2)
2331 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
2332 snprintf(errmsgbuf, n, "Need to be validated to enter "
2333 "(except in %s> to sysop)", MAILROOM);
2334 return (ERROR + HIGHER_ACCESS_REQUIRED);
2337 if ((CC->usersupp.axlevel < 4)
2338 && (CC->quickroom.QRflags & QR_NETWORK)) {
2339 snprintf(errmsgbuf, n, "Need net privileges to enter here.");
2340 return (ERROR + HIGHER_ACCESS_REQUIRED);
2343 if ((CC->usersupp.axlevel < 6)
2344 && (CC->quickroom.QRflags & QR_READONLY)) {
2345 snprintf(errmsgbuf, n, "Sorry, this is a read-only room.");
2346 return (ERROR + HIGHER_ACCESS_REQUIRED);
2349 strcpy(errmsgbuf, "Ok");
2355 * Validate recipients, count delivery types and errors, and handle aliasing
2356 * FIXME check for dupes!!!!!
2358 struct recptypes *validate_recipients(char *recipients) {
2359 struct recptypes *ret;
2360 char this_recp[SIZ];
2361 char this_recp_cooked[SIZ];
2367 struct usersupp tempUS;
2368 struct quickroom tempQR;
2371 ret = (struct recptypes *) malloc(sizeof(struct recptypes));
2372 if (ret == NULL) return(NULL);
2373 memset(ret, 0, sizeof(struct recptypes));
2376 ret->num_internet = 0;
2381 if (recipients == NULL) {
2384 else if (strlen(recipients) == 0) {
2388 /* Change all valid separator characters to commas */
2389 for (i=0; i<strlen(recipients); ++i) {
2390 if ((recipients[i] == ';') || (recipients[i] == '|')) {
2391 recipients[i] = ',';
2396 num_recps = num_tokens(recipients, ',');
2399 if (num_recps > 0) for (i=0; i<num_recps; ++i) {
2400 extract_token(this_recp, recipients, i, ',');
2402 lprintf(9, "Evaluating recipient #%d <%s>\n", i, this_recp);
2403 mailtype = alias(this_recp);
2404 mailtype = alias(this_recp);
2405 mailtype = alias(this_recp);
2406 for (j=0; j<=strlen(this_recp); ++j) {
2407 if (this_recp[j]=='_') {
2408 this_recp_cooked[j] = ' ';
2411 this_recp_cooked[j] = this_recp[j];
2417 if (!strcasecmp(this_recp, "sysop")) {
2419 strcpy(this_recp, config.c_aideroom);
2420 if (strlen(ret->recp_room) > 0) {
2421 strcat(ret->recp_room, "|");
2423 strcat(ret->recp_room, this_recp);
2425 else if (getuser(&tempUS, this_recp) == 0) {
2427 strcpy(this_recp, tempUS.fullname);
2428 if (strlen(ret->recp_local) > 0) {
2429 strcat(ret->recp_local, "|");
2431 strcat(ret->recp_local, this_recp);
2433 else if (getuser(&tempUS, this_recp_cooked) == 0) {
2435 strcpy(this_recp, tempUS.fullname);
2436 if (strlen(ret->recp_local) > 0) {
2437 strcat(ret->recp_local, "|");
2439 strcat(ret->recp_local, this_recp);
2441 else if ( (!strncasecmp(this_recp, "room_", 5))
2442 && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
2444 if (strlen(ret->recp_room) > 0) {
2445 strcat(ret->recp_room, "|");
2447 strcat(ret->recp_room, &this_recp_cooked[5]);
2455 ++ret->num_internet;
2456 if (strlen(ret->recp_internet) > 0) {
2457 strcat(ret->recp_internet, "|");
2459 strcat(ret->recp_internet, this_recp);
2463 if (strlen(ret->recp_ignet) > 0) {
2464 strcat(ret->recp_ignet, "|");
2466 strcat(ret->recp_ignet, this_recp);
2474 if (strlen(ret->errormsg) == 0) {
2475 snprintf(append, sizeof append,
2476 "Invalid recipient: %s",
2480 snprintf(append, sizeof append,
2483 if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
2484 strcat(ret->errormsg, append);
2488 if (strlen(ret->display_recp) == 0) {
2489 strcpy(append, this_recp);
2492 snprintf(append, sizeof append, ", %s",
2495 if ( (strlen(ret->display_recp)+strlen(append)) < SIZ) {
2496 strcat(ret->display_recp, append);
2501 if ((ret->num_local + ret->num_internet + ret->num_ignet +
2502 ret->num_room + ret->num_error) == 0) {
2504 strcpy(ret->errormsg, "No recipients specified.");
2507 lprintf(9, "validate_recipients()\n");
2508 lprintf(9, " local: %d <%s>\n", ret->num_local, ret->recp_local);
2509 lprintf(9, " room: %d <%s>\n", ret->num_room, ret->recp_room);
2510 lprintf(9, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
2511 lprintf(9, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
2512 lprintf(9, " error: %d <%s>\n", ret->num_error, ret->errormsg);
2520 * message entry - mode 0 (normal)
2522 void cmd_ent0(char *entargs)
2526 char masquerade_as[SIZ];
2528 int format_type = 0;
2529 char newusername[SIZ];
2530 struct CtdlMessage *msg;
2534 struct recptypes *valid = NULL;
2537 post = extract_int(entargs, 0);
2538 extract(recp, entargs, 1);
2539 anon_flag = extract_int(entargs, 2);
2540 format_type = extract_int(entargs, 3);
2541 extract(subject, entargs, 4);
2543 /* first check to make sure the request is valid. */
2545 err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
2547 cprintf("%d %s\n", err, errmsg);
2551 /* Check some other permission type things. */
2554 if (CC->usersupp.axlevel < 6) {
2555 cprintf("%d You don't have permission to masquerade.\n",
2556 ERROR + HIGHER_ACCESS_REQUIRED);
2559 extract(newusername, entargs, 4);
2560 memset(CC->fake_postname, 0, sizeof(CC->fake_postname) );
2561 safestrncpy(CC->fake_postname, newusername,
2562 sizeof(CC->fake_postname) );
2563 cprintf("%d ok\n", CIT_OK);
2566 CC->cs_flags |= CS_POSTING;
2568 /* In the Mail> room we have to behave a little differently --
2569 * make sure the user has specified at least one recipient. Then
2570 * validate the recipient(s).
2572 if ( (CC->quickroom.QRflags & QR_MAILBOX)
2573 && (!strcasecmp(&CC->quickroom.QRname[11], MAILROOM)) ) {
2575 if (CC->usersupp.axlevel < 2) {
2576 strcpy(recp, "sysop");
2579 valid = validate_recipients(recp);
2580 if (valid->num_error > 0) {
2582 ERROR + NO_SUCH_USER, valid->errormsg);
2587 if ( ( (valid->num_internet + valid->num_ignet) > 0)
2588 && (CC->usersupp.axlevel < 4) ) {
2589 cprintf("%d Higher access required for network mail.\n",
2590 ERROR + HIGHER_ACCESS_REQUIRED);
2595 if ((RESTRICT_INTERNET == 1) && (valid->num_internet > 0)
2596 && ((CC->usersupp.flags & US_INTERNET) == 0)
2597 && (!CC->internal_pgm)) {
2598 cprintf("%d You don't have access to Internet mail.\n",
2599 ERROR + HIGHER_ACCESS_REQUIRED);
2606 /* Is this a room which has anonymous-only or anonymous-option? */
2607 anonymous = MES_NORMAL;
2608 if (CC->quickroom.QRflags & QR_ANONONLY) {
2609 anonymous = MES_ANONONLY;
2611 if (CC->quickroom.QRflags & QR_ANONOPT) {
2612 if (anon_flag == 1) { /* only if the user requested it */
2613 anonymous = MES_ANONOPT;
2617 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0) {
2621 /* If we're only checking the validity of the request, return
2622 * success without creating the message.
2625 cprintf("%d %s\n", CIT_OK,
2626 ((valid != NULL) ? valid->display_recp : "") );
2631 /* Handle author masquerading */
2632 if (CC->fake_postname[0]) {
2633 strcpy(masquerade_as, CC->fake_postname);
2635 else if (CC->fake_username[0]) {
2636 strcpy(masquerade_as, CC->fake_username);
2639 strcpy(masquerade_as, "");
2642 /* Read in the message from the client. */
2643 cprintf("%d send message\n", SEND_LISTING);
2644 msg = make_message(&CC->usersupp, recp,
2645 CC->quickroom.QRname, anonymous, format_type,
2646 masquerade_as, subject);
2649 CtdlSubmitMsg(msg, valid, "");
2650 CtdlFreeMessage(msg);
2652 CC->fake_postname[0] = '\0';
2660 * API function to delete messages which match a set of criteria
2661 * (returns the actual number of messages deleted)
2663 int CtdlDeleteMessages(char *room_name, /* which room */
2664 long dmsgnum, /* or "0" for any */
2665 char *content_type /* or "" for any */
2669 struct quickroom qrbuf;
2670 struct cdbdata *cdbfr;
2671 long *msglist = NULL;
2672 long *dellist = NULL;
2675 int num_deleted = 0;
2677 struct MetaData smi;
2679 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2680 room_name, dmsgnum, content_type);
2682 /* get room record, obtaining a lock... */
2683 if (lgetroom(&qrbuf, room_name) != 0) {
2684 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2686 return (0); /* room not found */
2688 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2690 if (cdbfr != NULL) {
2691 msglist = mallok(cdbfr->len);
2692 dellist = mallok(cdbfr->len);
2693 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2694 num_msgs = cdbfr->len / sizeof(long);
2698 for (i = 0; i < num_msgs; ++i) {
2701 /* Set/clear a bit for each criterion */
2703 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2704 delete_this |= 0x01;
2706 if (strlen(content_type) == 0) {
2707 delete_this |= 0x02;
2709 GetMetaData(&smi, msglist[i]);
2710 if (!strcasecmp(smi.meta_content_type,
2712 delete_this |= 0x02;
2716 /* Delete message only if all bits are set */
2717 if (delete_this == 0x03) {
2718 dellist[num_deleted++] = msglist[i];
2723 num_msgs = sort_msglist(msglist, num_msgs);
2724 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2725 msglist, (num_msgs * sizeof(long)));
2727 qrbuf.QRhighest = msglist[num_msgs - 1];
2731 /* Go through the messages we pulled out of the index, and decrement
2732 * their reference counts by 1. If this is the only room the message
2733 * was in, the reference count will reach zero and the message will
2734 * automatically be deleted from the database. We do this in a
2735 * separate pass because there might be plug-in hooks getting called,
2736 * and we don't want that happening during an S_QUICKROOM critical
2739 if (num_deleted) for (i=0; i<num_deleted; ++i) {
2740 PerformDeleteHooks(qrbuf.QRname, dellist[i]);
2741 AdjRefCount(dellist[i], -1);
2744 /* Now free the memory we used, and go away. */
2745 if (msglist != NULL) phree(msglist);
2746 if (dellist != NULL) phree(dellist);
2747 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2748 return (num_deleted);
2754 * Check whether the current user has permission to delete messages from
2755 * the current room (returns 1 for yes, 0 for no)
2757 int CtdlDoIHavePermissionToDeleteMessagesFromThisRoom(void) {
2758 getuser(&CC->usersupp, CC->curr_user);
2759 if ((CC->usersupp.axlevel < 6)
2760 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2761 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2762 && (!(CC->internal_pgm))) {
2771 * Delete message from current room
2773 void cmd_dele(char *delstr)
2778 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom() == 0) {
2779 cprintf("%d Higher access required.\n",
2780 ERROR + HIGHER_ACCESS_REQUIRED);
2783 delnum = extract_long(delstr, 0);
2785 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, "");
2788 cprintf("%d %d message%s deleted.\n", CIT_OK,
2789 num_deleted, ((num_deleted != 1) ? "s" : ""));
2791 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2797 * Back end API function for moves and deletes
2799 int CtdlCopyMsgToRoom(long msgnum, char *dest) {
2802 err = CtdlSaveMsgPointerInRoom(dest, msgnum,
2803 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2804 if (err != 0) return(err);
2812 * move or copy a message to another room
2814 void cmd_move(char *args)
2818 struct quickroom qtemp;
2822 num = extract_long(args, 0);
2823 extract(targ, args, 1);
2824 targ[ROOMNAMELEN - 1] = 0;
2825 is_copy = extract_int(args, 2);
2827 if (getroom(&qtemp, targ) != 0) {
2828 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2832 getuser(&CC->usersupp, CC->curr_user);
2833 /* Aides can move/copy */
2834 if ((CC->usersupp.axlevel < 6)
2835 /* Roomaides can move/copy */
2836 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2837 /* Permit move/copy to/from personal rooms */
2838 && (!((CC->quickroom.QRflags & QR_MAILBOX)
2839 && (qtemp.QRflags & QR_MAILBOX)))
2840 /* Permit only copy from public to personal room */
2841 && (!(is_copy && !(CC->quickroom.QRflags & QR_MAILBOX)
2842 && (qtemp.QRflags & QR_MAILBOX)))) {
2843 cprintf("%d Higher access required.\n",
2844 ERROR + HIGHER_ACCESS_REQUIRED);
2848 err = CtdlCopyMsgToRoom(num, targ);
2850 cprintf("%d Cannot store message in %s: error %d\n",
2855 /* Now delete the message from the source room,
2856 * if this is a 'move' rather than a 'copy' operation.
2859 CtdlDeleteMessages(CC->quickroom.QRname, num, "");
2862 cprintf("%d Message %s.\n", CIT_OK, (is_copy ? "copied" : "moved") );
2868 * GetMetaData() - Get the supplementary record for a message
2870 void GetMetaData(struct MetaData *smibuf, long msgnum)
2873 struct cdbdata *cdbsmi;
2876 memset(smibuf, 0, sizeof(struct MetaData));
2877 smibuf->meta_msgnum = msgnum;
2878 smibuf->meta_refcount = 1; /* Default reference count is 1 */
2880 /* Use the negative of the message number for its supp record index */
2881 TheIndex = (0L - msgnum);
2883 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2884 if (cdbsmi == NULL) {
2885 return; /* record not found; go with defaults */
2887 memcpy(smibuf, cdbsmi->ptr,
2888 ((cdbsmi->len > sizeof(struct MetaData)) ?
2889 sizeof(struct MetaData) : cdbsmi->len));
2896 * PutMetaData() - (re)write supplementary record for a message
2898 void PutMetaData(struct MetaData *smibuf)
2902 /* Use the negative of the message number for the metadata db index */
2903 TheIndex = (0L - smibuf->meta_msgnum);
2905 lprintf(9, "PutMetaData(%ld) - ref count is %d\n",
2906 smibuf->meta_msgnum, smibuf->meta_refcount);
2908 cdb_store(CDB_MSGMAIN,
2909 &TheIndex, sizeof(long),
2910 smibuf, sizeof(struct MetaData));
2915 * AdjRefCount - change the reference count for a message;
2916 * delete the message if it reaches zero
2918 void AdjRefCount(long msgnum, int incr)
2921 struct MetaData smi;
2924 /* This is a *tight* critical section; please keep it that way, as
2925 * it may get called while nested in other critical sections.
2926 * Complicating this any further will surely cause deadlock!
2928 begin_critical_section(S_SUPPMSGMAIN);
2929 GetMetaData(&smi, msgnum);
2930 lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
2931 msgnum, smi.meta_refcount);
2932 smi.meta_refcount += incr;
2934 end_critical_section(S_SUPPMSGMAIN);
2935 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2936 msgnum, smi.meta_refcount);
2938 /* If the reference count is now zero, delete the message
2939 * (and its supplementary record as well).
2941 if (smi.meta_refcount == 0) {
2942 lprintf(9, "Deleting message <%ld>\n", msgnum);
2944 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2946 /* We have to delete the metadata record too! */
2947 delnum = (0L - msgnum);
2948 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2953 * Write a generic object to this room
2955 * Note: this could be much more efficient. Right now we use two temporary
2956 * files, and still pull the message into memory as with all others.
2958 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2959 char *content_type, /* MIME type of this object */
2960 char *tempfilename, /* Where to fetch it from */
2961 struct usersupp *is_mailbox, /* Mailbox room? */
2962 int is_binary, /* Is encoding necessary? */
2963 int is_unique, /* Del others of this type? */
2964 unsigned int flags /* Internal save flags */
2969 char filename[PATH_MAX];
2972 struct quickroom qrbuf;
2973 char roomname[ROOMNAMELEN];
2974 struct CtdlMessage *msg;
2977 char *raw_message = NULL;
2978 char *encoded_message = NULL;
2979 off_t raw_length = 0;
2981 if (is_mailbox != NULL)
2982 MailboxName(roomname, sizeof roomname, is_mailbox, req_room);
2984 safestrncpy(roomname, req_room, sizeof(roomname));
2985 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2988 fp = fopen(tempfilename, "rb");
2990 lprintf(5, "Cannot open %s: %s\n",
2991 tempfilename, strerror(errno));
2994 fseek(fp, 0L, SEEK_END);
2995 raw_length = ftell(fp);
2997 lprintf(9, "Raw length is %ld\n", (long)raw_length);
2999 raw_message = mallok((size_t)raw_length);
3000 fread(raw_message, (size_t)raw_length, 1, fp);
3004 encoded_message = mallok((size_t)
3005 (((raw_length * 134) / 100) + 4096 ) );
3008 encoded_message = mallok((size_t)(raw_length + 4096));
3011 sprintf(encoded_message, "Content-type: %s\n", content_type);
3014 sprintf(&encoded_message[strlen(encoded_message)],
3015 "Content-transfer-encoding: base64\n\n"
3019 sprintf(&encoded_message[strlen(encoded_message)],
3020 "Content-transfer-encoding: 7bit\n\n"
3026 &encoded_message[strlen(encoded_message)],
3032 raw_message[raw_length] = 0;
3034 &encoded_message[strlen(encoded_message)],
3042 lprintf(9, "Allocating\n");
3043 msg = mallok(sizeof(struct CtdlMessage));
3044 memset(msg, 0, sizeof(struct CtdlMessage));
3045 msg->cm_magic = CTDLMESSAGE_MAGIC;
3046 msg->cm_anon_type = MES_NORMAL;
3047 msg->cm_format_type = 4;
3048 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
3049 msg->cm_fields['O'] = strdoop(req_room);
3050 msg->cm_fields['N'] = strdoop(config.c_nodename);
3051 msg->cm_fields['H'] = strdoop(config.c_humannode);
3052 msg->cm_flags = flags;
3054 msg->cm_fields['M'] = encoded_message;
3056 /* Create the requested room if we have to. */
3057 if (getroom(&qrbuf, roomname) != 0) {
3058 create_room(roomname,
3059 ( (is_mailbox != NULL) ? 5 : 3 ),
3062 /* If the caller specified this object as unique, delete all
3063 * other objects of this type that are currently in the room.
3066 lprintf(9, "Deleted %d other msgs of this type\n",
3067 CtdlDeleteMessages(roomname, 0L, content_type));
3069 /* Now write the data */
3070 CtdlSubmitMsg(msg, NULL, roomname);
3071 CtdlFreeMessage(msg);
3079 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
3080 config_msgnum = msgnum;
3084 char *CtdlGetSysConfig(char *sysconfname) {
3085 char hold_rm[ROOMNAMELEN];
3088 struct CtdlMessage *msg;
3091 strcpy(hold_rm, CC->quickroom.QRname);
3092 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
3093 getroom(&CC->quickroom, hold_rm);
3098 /* We want the last (and probably only) config in this room */
3099 begin_critical_section(S_CONFIG);
3100 config_msgnum = (-1L);
3101 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
3102 CtdlGetSysConfigBackend, NULL);
3103 msgnum = config_msgnum;
3104 end_critical_section(S_CONFIG);
3110 msg = CtdlFetchMessage(msgnum);
3112 conf = strdoop(msg->cm_fields['M']);
3113 CtdlFreeMessage(msg);
3120 getroom(&CC->quickroom, hold_rm);
3122 if (conf != NULL) do {
3123 extract_token(buf, conf, 0, '\n');
3124 strcpy(conf, &conf[strlen(buf)+1]);
3125 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
3130 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
3131 char temp[PATH_MAX];
3134 strcpy(temp, tmpnam(NULL));
3136 fp = fopen(temp, "w");
3137 if (fp == NULL) return;
3138 fprintf(fp, "%s", sysconfdata);
3141 /* this handy API function does all the work for us */
3142 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);