1 files changed, 0 insertions, 261 deletions
diff --git a/source/smbd/notify_hash.c b/source/smbd/notify_hash.c
deleted file mode 100644
index 0787a3eec5e..00000000000
--- a/source/smbd/notify_hash.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
-   Unix SMB/CIFS implementation.
-   change notify handling - hash based implementation
-   Copyright (C) Jeremy Allison 1994-1998
-   Copyright (C) Andrew Tridgell 2000
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   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.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include "includes.h"
-
-struct change_data {
-	time_t last_check_time; /* time we last checked this entry */
-	struct timespec modify_time; /* Info from the directory we're monitoring. */
-	struct timespec status_time; /* Info from the directory we're monitoring. */
-	time_t total_time; /* Total time of all directory entries - don't care if it wraps. */
-	unsigned int num_entries; /* Zero or the number of files in the directory. */
-	unsigned int mode_sum;
-	unsigned char name_hash[16];
-};
-
-
-/* Compare struct timespec. */
-#define TIMESTAMP_NEQ(x, y) (((x).tv_sec != (y).tv_sec) || ((x).tv_nsec != (y).tv_nsec))
-
-/****************************************************************************
- Create the hash we will use to determine if the contents changed.
-*****************************************************************************/
-
-static BOOL notify_hash(connection_struct *conn, char *path, uint32 flags, 
-			struct change_data *data, struct change_data *old_data)
-{
-	SMB_STRUCT_STAT st;
-	pstring full_name;
-	char *p;
-	const char *fname;
-	size_t remaining_len;
-	size_t fullname_len;
-	struct smb_Dir *dp;
-	long offset;
-
-	ZERO_STRUCTP(data);
-
-	if(SMB_VFS_STAT(conn,path, &st) == -1)
-		return False;
-
-	data->modify_time = get_mtimespec(&st);
-	data->status_time = get_ctimespec(&st);
-
-	if (old_data) {
-		/*
-		 * Shortcut to avoid directory scan if the time
-		 * has changed - we always must return true then.
-		 */
-		if (TIMESTAMP_NEQ(old_data->modify_time, data->modify_time) ||
-		    TIMESTAMP_NEQ(old_data->status_time, data->status_time) ) {
-				return True;
-		}
-	}
- 
-        if (S_ISDIR(st.st_mode) && 
-            (flags & ~(FILE_NOTIFY_CHANGE_FILE_NAME | FILE_NOTIFY_CHANGE_DIR_NAME)) == 0)
-        {
-		/* This is the case of a client wanting to know only when
-		 * the contents of a directory changes. Since any file
-		 * creation, rename or deletion will update the directory
-		 * timestamps, we don't need to create a hash.
-		 */
-                return True;
-        }
-
-	if (lp_change_notify_timeout(SNUM(conn)) <= 0) {
-		/* It change notify timeout has been disabled, never scan the directory. */
-		return True;
-	}
-
-	/*
-	 * If we are to watch for changes that are only stored
-	 * in inodes of files, not in the directory inode, we must
-	 * scan the directory and produce a unique identifier with
-	 * which we can determine if anything changed. We use the
-	 * modify and change times from all the files in the
-	 * directory, added together (ignoring wrapping if it's
-	 * larger than the max time_t value).
-	 */
-
-	dp = OpenDir(conn, path, NULL, 0);
-	if (dp == NULL)
-		return False;
-
-	data->num_entries = 0;
-	
-	pstrcpy(full_name, path);
-	pstrcat(full_name, "/");
-	
-	fullname_len = strlen(full_name);
-	remaining_len = sizeof(full_name) - fullname_len - 1;
-	p = &full_name[fullname_len];
-	
-	offset = 0;
-	while ((fname = ReadDirName(dp, &offset))) {
-		SET_STAT_INVALID(st);
-		if(strequal(fname, ".") || strequal(fname, ".."))
-			continue;		
-
-		if (!is_visible_file(conn, path, fname, &st, True))
-			continue;
-
-		data->num_entries++;
-		safe_strcpy(p, fname, remaining_len);
-
-		/*
-		 * Do the stat - but ignore errors.
-		 */		
-		if (!VALID_STAT(st)) {
-			SMB_VFS_STAT(conn,full_name, &st);
-		}
-
-		/*
-		 * Always sum the times.
-		 */
-
-		data->total_time += (st.st_mtime + st.st_ctime);
-
-		/*
-		 * If requested hash the names.
-		 */
-
-		if (flags & (FILE_NOTIFY_CHANGE_DIR_NAME|FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_FILE)) {
-			int i;
-			unsigned char tmp_hash[16];
-			mdfour(tmp_hash, (const unsigned char *)fname, strlen(fname));
-			for (i=0;i<16;i++)
-				data->name_hash[i] ^= tmp_hash[i];
-		}
-
-		/*
-		 * If requested sum the mode_t's.
-		 */
-
-		if (flags & (FILE_NOTIFY_CHANGE_ATTRIBUTES|FILE_NOTIFY_CHANGE_SECURITY))
-			data->mode_sum += st.st_mode;
-	}
-	
-	CloseDir(dp);
-	
-	return True;
-}
-
-/****************************************************************************
- Register a change notify request.
-*****************************************************************************/
-
-static void *hash_register_notify(connection_struct *conn, char *path, uint32 flags)
-{
-	struct change_data data;
-
-	if (!notify_hash(conn, path, flags, &data, NULL))
-		return NULL;
-
-	data.last_check_time = time(NULL);
-
-	return (void *)memdup(&data, sizeof(data));
-}
-
-/****************************************************************************
- Check if a change notify should be issued.
- A time of zero means instantaneous check - don't modify the last check time.
-*****************************************************************************/
-
-static BOOL hash_check_notify(connection_struct *conn, uint16 vuid, char *path, uint32 flags, void *datap, time_t t)
-{
-	struct change_data *data = (struct change_data *)datap;
-	struct change_data data2;
-	int cnto = lp_change_notify_timeout(SNUM(conn));
-
-	if (t && cnto <= 0) {
-		/* Change notify turned off on this share.
-		 * Only scan when (t==0) - we think something changed. */
-		return False;
-	}
-
-	if (t && t < data->last_check_time + cnto) {
-		return False;
-	}
-
-	if (!change_to_user(conn,vuid))
-		return True;
-	if (!set_current_service(conn,FLAG_CASELESS_PATHNAMES,True)) {
-		change_to_root_user();
-		return True;
-	}
-
-	if (!notify_hash(conn, path, flags, &data2, data) ||
-	    TIMESTAMP_NEQ(data2.modify_time, data->modify_time) ||
-	    TIMESTAMP_NEQ(data2.status_time, data->status_time) ||
-	    data2.total_time != data->total_time ||
-	    data2.num_entries != data->num_entries ||
-		data2.mode_sum != data->mode_sum ||
-		memcmp(data2.name_hash, data->name_hash, sizeof(data2.name_hash))) {
-		change_to_root_user();
-		return True;
-	}
-
-	if (t) {
-		data->last_check_time = t;
-	}
-
-	change_to_root_user();
-
-	return False;
-}
-
-/****************************************************************************
- Remove a change notify data structure.
-*****************************************************************************/
-
-static void hash_remove_notify(void *datap)
-{
-	free(datap);
-}
-
-/****************************************************************************
- Setup hash based change notify.
-****************************************************************************/
-
-struct cnotify_fns *hash_notify_init(void) 
-{
-	static struct cnotify_fns cnotify;
-
-	cnotify.register_notify = hash_register_notify;
-	cnotify.check_notify = hash_check_notify;
-	cnotify.remove_notify = hash_remove_notify;
-	cnotify.select_time = 60; /* Start with 1 minute default. */
-	cnotify.notification_fd = -1;
-
-	return &cnotify;
-}
-
-/*
-  change_notify_reply_packet(cnbp->request_buf,ERRSRV,ERRaccess);
-  change_notify_reply_packet(cnbp->request_buf,0,NT_STATUS_NOTIFY_ENUM_DIR);
-
-  chain_size = 0;
-  file_chain_reset();
-
-  uint16 vuid = (lp_security() == SEC_SHARE) ? UID_FIELD_INVALID : 
-  SVAL(cnbp->request_buf,smb_uid);
-*/