-/*
- * $Id$
- *
+/*
* Index messages by EUID per room.
*
+ * Copyright (c) 1987-2020 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*/
#include "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
#include <stdio.h>
-#include <fcntl.h>
-
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-
-#include <ctype.h>
-#include <string.h>
-#include <limits.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <sys/stat.h>
-#include "citadel.h"
-#include "server.h"
-#include "serv_extensions.h"
-#include "database.h"
-#include "msgbase.h"
-#include "support.h"
-#include "sysdep_decls.h"
+#include <libcitadel.h>
+
#include "citserver.h"
#include "room_ops.h"
-#include "user_ops.h"
-#include "file_ops.h"
-#include "config.h"
-#include "control.h"
-#include "tools.h"
-#include "euidindex.h"
+/*
+ * The structure of an euidindex record *key* is:
+ *
+ * |----room_number----|----------EUID-------------|
+ * (sizeof long) (actual length of euid)
+ *
+ *
+ * The structure of an euidindex record *value* is:
+ *
+ * |-----msg_number----|----room_number----|----------EUID-------------|
+ * (sizeof long) (sizeof long) (actual length of euid)
+ *
+ */
-long locate_message_by_euid(char *euid, struct ctdlroom *qrbuf) {
+/*
+ * Return nonzero if the supplied room is one which should have
+ * an EUID index.
+ */
+int DoesThisRoomNeedEuidIndexing(struct ctdlroom *qrbuf) {
+
+ switch(qrbuf->QRdefaultview) {
+ case VIEW_BBS: return(0);
+ case VIEW_MAILBOX: return(0);
+ case VIEW_ADDRESSBOOK: return(1);
+ case VIEW_DRAFTS: return(0);
+ case VIEW_CALENDAR: return(1);
+ case VIEW_TASKS: return(1);
+ case VIEW_NOTES: return(1);
+ case VIEW_WIKI: return(1);
+ case VIEW_WIKIMD: return(1);
+ case VIEW_BLOG: return(1);
+ }
+
return(0);
}
-void index_message_by_euid(char *euid, struct ctdlroom *qrbuf, long msgnum) {
+
+/*
+ * Locate a message in a given room with a given euid, and return
+ * its message number.
+ */
+long locate_message_by_euid(char *euid, struct ctdlroom *qrbuf) {
+ return CtdlLocateMessageByEuid (euid, qrbuf);
+}
+
+
+long CtdlLocateMessageByEuid(char *euid, struct ctdlroom *qrbuf) {
char *key;
int key_len;
+ struct cdbdata *cdb_euid;
+ long msgnum = (-1L);
- lprintf(CTDL_DEBUG, "Indexing message #%ld <%s> in <%s>\n", msgnum, euid, qrbuf->QRname);
+ syslog(LOG_DEBUG, "euidindex: searching for EUID <%s> in <%s>", euid, qrbuf->QRname);
key_len = strlen(euid) + sizeof(long) + 1;
key = malloc(key_len);
memcpy(key, &qrbuf->QRnumber, sizeof(long));
strcpy(&key[sizeof(long)], euid);
- cdb_store(CDB_EUIDINDEX, key, key_len, &msgnum, sizeof(long));
+ cdb_euid = cdb_fetch(CDB_EUIDINDEX, key, key_len);
+ free(key);
+
+ if (cdb_euid == NULL) {
+ msgnum = (-1L);
+ }
+ else {
+ /* The first (sizeof long) of the record is what we're
+ * looking for. Throw away the rest.
+ */
+ memcpy(&msgnum, cdb_euid->ptr, sizeof(long));
+ cdb_free(cdb_euid);
+ }
+ syslog(LOG_DEBUG, "euidindex: returning msgnum = %ld", msgnum);
+ return(msgnum);
}
+/*
+ * Store the euid index for a message, which has presumably just been
+ * stored in this room by the caller.
+ */
+void index_message_by_euid(char *euid, struct ctdlroom *qrbuf, long msgnum) {
+ char *key;
+ int key_len;
+ char *data;
+ int data_len;
+
+ syslog(LOG_DEBUG, "euidindex: indexing message #%ld <%s> in <%s>", msgnum, euid, qrbuf->QRname);
+
+ key_len = strlen(euid) + sizeof(long) + 1;
+ key = malloc(key_len);
+ memcpy(key, &qrbuf->QRnumber, sizeof(long));
+ strcpy(&key[sizeof(long)], euid);
+
+ data_len = sizeof(long) + key_len;
+ data = malloc(data_len);
+
+ memcpy(data, &msgnum, sizeof(long));
+ memcpy(&data[sizeof(long)], key, key_len);
+
+ cdb_store(CDB_EUIDINDEX, key, key_len, data, data_len);
+ free(key);
+ free(data);
+}
+
/*
* Called by rebuild_euid_index_for_room() to index one message.
*/
void rebuild_euid_index_for_msg(long msgnum, void *userdata) {
- struct CtdlMessage *msg;
+ struct CtdlMessage *msg = NULL;
msg = CtdlFetchMessage(msgnum, 0);
if (msg == NULL) return;
- if (msg->cm_fields['E'] != NULL) {
- index_message_by_euid(msg->cm_fields['E'], &CC->room, msgnum);
+ if (!CM_IsEmpty(msg, eExclusiveID)) {
+ index_message_by_euid(msg->cm_fields[eExclusiveID], &CC->room, msgnum);
}
- CtdlFreeMessage(msg);
+ CM_Free(msg);
}
struct RoomProcList *ptr;
struct ctdlroom qr;
- /* Lazy programming here. Call this function as a ForEachRoom backend
+ /* Lazy programming here. Call this function as a CtdlForEachRoom backend
* in order to queue up the room names, or call it with a null room
* to make it do the processing.
*/
}
while (rplist != NULL) {
- if (getroom(&qr, rplist->name) == 0) {
- lprintf(CTDL_DEBUG, "Rebuilding EUID index for <%s>\n", rplist->name);
- usergoto(rplist->name, 0, 0, NULL, NULL);
- CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, rebuild_euid_index_for_msg, NULL);
+ if (CtdlGetRoom(&qr, rplist->name) == 0) {
+ if (DoesThisRoomNeedEuidIndexing(&qr)) {
+ syslog(LOG_DEBUG,
+ "euidindex: rebuilding EUID index for <%s>",
+ rplist->name);
+ CtdlUserGoto(rplist->name, 0, 0, NULL, NULL, NULL, NULL);
+ CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL,
+ rebuild_euid_index_for_msg, NULL);
+ }
}
ptr = rplist;
rplist = rplist->next;
* Globally rebuild the EUID indices in every room.
*/
void rebuild_euid_index(void) {
- cdb_trunc(CDB_EUIDINDEX);
+ cdb_trunc(CDB_EUIDINDEX); /* delete the old indices */
+ CtdlForEachRoom(rebuild_euid_index_for_room, NULL); /* enumerate rm names */
+ rebuild_euid_index_for_room(NULL, NULL); /* and index them */
+}
+
+
+/*
+ * Server command to fetch a message number given an euid.
+ */
+void cmd_euid(char *cmdbuf) {
+ char euid[256];
+ long msgnum;
+ struct cdbdata *cdbfr;
+ long *msglist = NULL;
+ int num_msgs = 0;
+ int i;
+
+ if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
+
+ extract_token(euid, cmdbuf, 0, '|', sizeof euid);
+ msgnum = CtdlLocateMessageByEuid(euid, &CC->room);
+ if (msgnum <= 0L) {
+ cprintf("%d not found\n", ERROR + MESSAGE_NOT_FOUND);
+ return;
+ }
- ForEachRoom(rebuild_euid_index_for_room, NULL);
- rebuild_euid_index_for_room(NULL, NULL);
+ cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
+ if (cdbfr != NULL) {
+ num_msgs = cdbfr->len / sizeof(long);
+ msglist = (long *) cdbfr->ptr;
+ for (i = 0; i < num_msgs; ++i) {
+ if (msglist[i] == msgnum) {
+ cdb_free(cdbfr);
+ cprintf("%d %ld\n", CIT_OK, msgnum);
+ return;
+ }
+ }
+ cdb_free(cdbfr);
+ }
+
+ cprintf("%d not found\n", ERROR + MESSAGE_NOT_FOUND);
+}
+
+
+CTDL_MODULE_INIT(euidindex)
+{
+ if (!threading) {
+ CtdlRegisterProtoHook(cmd_euid, "EUID", "Perform operations on Extended IDs for messages");
+ }
+ /* return our Subversion id for the Log */
+ return "euidindex";
}