first public release of samba4 code

(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)

3 files changed, 1038 insertions, 0 deletions

diff --git a/source4/ntvfs/simple/svfs.h b/source4/ntvfs/simple/svfs.h
new file mode 100644
index 0000000000..e74fd07fce
--- /dev/null
+++ b/source4/ntvfs/simple/svfs.h
@@ -0,0 +1,28 @@
+
+struct svfs_private {
+	/* the base directory */
+	char *connectpath;
+
+	/* a linked list of open searches */
+	struct search_state *search;
+
+	/* next available search handle */
+	uint16 next_search_handle;
+};
+
+struct svfs_dir {
+	uint_t count;
+	char *unix_dir;
+	struct {
+		char *name;
+		struct stat st;
+	} *files;
+};
+
+struct search_state {
+	struct search_state *next, *prev;
+	TALLOC_CTX *mem_ctx;
+	uint16 handle;
+	uint_t current_index;
+	struct svfs_dir *dir;
+};
diff --git a/source4/ntvfs/simple/svfs_util.c b/source4/ntvfs/simple/svfs_util.c
new file mode 100644
index 0000000000..a8a88cfad0
--- /dev/null
+++ b/source4/ntvfs/simple/svfs_util.c
@@ -0,0 +1,162 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   simple NTVFS filesystem backend
+
+   Copyright (C) Andrew Tridgell 2003
+
+   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.
+*/
+/*
+  utility functions for simple backend
+*/
+
+#include "includes.h"
+#include "svfs.h"
+
+/*
+  convert a windows path to a unix path - don't do any manging or case sensitive handling
+*/
+char *svfs_unix_path(struct request_context *req, const char *name)
+{
+	struct svfs_private *private = req->conn->ntvfs_private;
+	char *ret;
+
+	if (*name != '\\') {
+		ret = talloc_asprintf(req->mem_ctx, "%s/%s", private->connectpath, name);
+	} else {
+		ret = talloc_asprintf(req->mem_ctx, "%s%s", private->connectpath, name);
+	}
+	all_string_sub(ret, "\\", "/", 0);
+
+	strlower(ret);
+
+	return ret;
+}
+
+
+/*
+  read a directory and find all matching file names and stat info
+  returned names are separate unix and DOS names. The returned names
+  are relative to the directory
+*/
+struct svfs_dir *svfs_list(TALLOC_CTX *mem_ctx, struct request_context *req, const char *pattern)
+{
+	char *unix_path;
+	char *p, *mask;
+	struct svfs_dir *dir;
+	DIR *odir;
+	struct dirent *dent;
+	uint_t allocated = 0;
+	char *low_mask;
+
+	unix_path = svfs_unix_path(req, pattern);
+	if (!unix_path) { return NULL; }
+
+	dir = talloc(mem_ctx, sizeof(struct svfs_dir));
+	if (!dir) { return NULL; }
+
+	dir->count = 0;
+	dir->files = 0;
+
+	/* find the base directory */
+	p = strrchr(unix_path, '/');
+	if (!p) { return NULL; }
+
+	dir->unix_dir = talloc_strndup(mem_ctx, unix_path, PTR_DIFF(p, unix_path));
+	if (!dir->unix_dir) { return NULL; }
+
+	/* the wildcard pattern is the last part */
+	mask = p+1;
+
+	low_mask = talloc_strdup(mem_ctx, mask);
+	if (!low_mask) { return NULL; }
+	strlower(low_mask);
+
+	odir = opendir(dir->unix_dir);
+	if (!odir) { return NULL; }
+
+	while ((dent = readdir(odir))) {
+		uint_t i = dir->count;
+		char *full_name;
+		char *low_name;
+
+		low_name = talloc_strdup(mem_ctx, dent->d_name);
+		if (!low_name) { continue; }
+		strlower(low_name);
+
+		/* check it matches the wildcard pattern */
+		if (ms_fnmatch(low_mask, low_name, PROTOCOL_NT1) != 0) {
+			continue;
+		}
+		
+		if (dir->count >= allocated) {
+			allocated = (allocated + 100) * 1.2;
+			dir->files = talloc_realloc(mem_ctx, dir->files, allocated * sizeof(dir->files[0]));
+			if (!dir->files) { 
+				closedir(odir);
+				return NULL;
+			}
+		}
+
+		dir->files[i].name = low_name;
+		if (!dir->files[i].name) { continue; }
+
+		asprintf(&full_name, "%s/%s", dir->unix_dir, dir->files[i].name);
+		if (!full_name) { continue; }
+
+		if (stat(full_name, &dir->files[i].st) == 0) { 
+			dir->count++;
+		}
+
+		free(full_name); 
+	}
+
+	closedir(odir);
+
+	return dir;
+}
+
+
+/*******************************************************************
+set the time on a file via file descriptor
+*******************************************************************/
+int svfs_file_utime(int fd, struct utimbuf *times)
+{
+	char *fd_path = NULL;
+	int ret;
+
+	asprintf(&fd_path, "/proc/self/%d", fd);
+	if (!fd_path) {
+		errno = ENOMEM;
+		return -1;
+	}
+	
+	ret = utime(fd_path, times);
+	free(fd_path);
+	return ret;
+}
+
+
+/*
+  map a unix file attrib to a DOS attribute
+*/
+uint16 svfs_unix_to_dos_attrib(mode_t mode)
+{
+	uint16 ret = 0;
+	if (S_ISDIR(mode)) ret |= FILE_ATTRIBUTE_DIRECTORY;
+	if (!(mode & S_IWUSR)) ret |= FILE_ATTRIBUTE_READONLY;
+	return ret;
+}
diff --git a/source4/ntvfs/simple/vfs_simple.c b/source4/ntvfs/simple/vfs_simple.c
new file mode 100644
index 0000000000..caf7732ac7
--- /dev/null
+++ b/source4/ntvfs/simple/vfs_simple.c
@@ -0,0 +1,848 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   simple NTVFS filesystem backend
+
+   Copyright (C) Andrew Tridgell 2003
+
+   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.
+*/
+/*
+  this implements a very simple NTVFS filesystem backend. 
+  
+  this backend largely ignores the POSIX -> CIFS mappings, just doing absolutely
+  minimal work to give a working backend.
+*/
+
+#include "includes.h"
+#include "svfs.h"
+
+/*
+  connect to a share - used when a tree_connect operation comes
+  in. For a disk based backend we needs to ensure that the base
+  directory exists (tho it doesn't need to be accessible by the user,
+  that comes later)
+*/
+static NTSTATUS svfs_connect(struct request_context *req, const char *sharename)
+{
+	struct stat st;
+	struct tcon_context *conn = req->conn;
+	struct svfs_private *private;
+
+	conn->ntvfs_private = talloc(conn->mem_ctx, sizeof(struct svfs_private));
+
+	private = conn->ntvfs_private;
+
+	private->next_search_handle = 0;
+	private->connectpath = talloc_strdup(conn->mem_ctx, lp_pathname(conn->service));
+
+	/* the directory must exist */
+	if (stat(private->connectpath, &st) != 0 || !S_ISDIR(st.st_mode)) {
+		DEBUG(0,("'%s' is not a directory, when connecting to [%s]\n", 
+			 private->connectpath, sharename));
+		return NT_STATUS_BAD_NETWORK_NAME;
+	}
+
+	conn->fs_type = talloc_strdup(conn->mem_ctx, "NTFS");
+	conn->dev_type = talloc_strdup(conn->mem_ctx, "A:");
+
+	return NT_STATUS_OK;
+}
+
+/*
+  disconnect from a share
+*/
+static NTSTATUS svfs_disconnect(struct tcon_context *req)
+{
+	return NT_STATUS_OK;
+}
+
+/*
+  delete a file - the dirtype specifies the file types to include in the search. 
+  The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
+*/
+static NTSTATUS svfs_unlink(struct request_context *req, struct smb_unlink *unl)
+{
+	char *unix_path;
+
+	unix_path = svfs_unix_path(req, unl->in.pattern);
+
+	/* ignoring wildcards ... */
+	if (unlink(unix_path) == -1) {
+		return map_nt_error_from_unix(errno);
+	}
+
+	return NT_STATUS_OK;
+}
+
+
+/*
+  ioctl interface - we don't do any
+*/
+static NTSTATUS svfs_ioctl(struct request_context *req, struct smb_ioctl *io)
+{
+	return NT_STATUS_INVALID_PARAMETER;
+}
+
+/*
+  check if a directory exists
+*/
+static NTSTATUS svfs_chkpath(struct request_context *req, struct smb_chkpath *cp)
+{
+	char *unix_path;
+	struct stat st;
+
+	unix_path = svfs_unix_path(req, cp->in.path);
+
+	if (stat(unix_path, &st) == -1) {
+		return map_nt_error_from_unix(errno);
+	}
+
+	if (!S_ISDIR(st.st_mode)) {
+		return NT_STATUS_NOT_A_DIRECTORY;
+	}
+
+	return NT_STATUS_OK;
+}
+
+/*
+  approximately map a struct stat to a generic fileinfo struct
+*/
+static NTSTATUS svfs_map_fileinfo(struct request_context *req, union smb_fileinfo *info, struct stat *st)
+{
+	unix_to_nt_time(&info->generic.out.create_time, st->st_ctime);
+	unix_to_nt_time(&info->generic.out.access_time, st->st_atime);
+	unix_to_nt_time(&info->generic.out.write_time,  st->st_mtime);
+	unix_to_nt_time(&info->generic.out.change_time, st->st_mtime);
+	info->generic.out.alloc_size = st->st_size;
+	info->generic.out.size = st->st_size;
+	info->generic.out.attrib = svfs_unix_to_dos_attrib(st->st_mode);
+	info->generic.out.alloc_size = st->st_blksize * st->st_blocks;
+	info->generic.out.nlink = st->st_nlink;
+	info->generic.out.directory = S_ISDIR(st->st_mode) ? 1 : 0;
+	info->generic.out.device = st->st_dev;
+	info->generic.out.inode = st->st_ino;
+	/* REWRITE: TODO stuff in here */
+	info->generic.out.delete_pending = 0;
+	info->generic.out.ea_size = 0;
+	info->generic.out.num_eas = 0;
+	info->generic.out.fname.s = talloc_strdup(req->mem_ctx, "TODO - STORE FILENAME");
+	info->generic.out.alt_fname.s = talloc_strdup(req->mem_ctx, "TODO - STORE ALT_FN");
+	info->generic.out.ex_attrib = 0;
+	info->generic.out.compressed_size = 0;
+	info->generic.out.format = 0;
+	info->generic.out.unit_shift = 0;
+	info->generic.out.chunk_shift = 0;
+	info->generic.out.cluster_shift = 0;
+	
+	info->generic.out.access_flags = 0;
+	info->generic.out.position = 0;
+	info->generic.out.mode = 0;
+	info->generic.out.alignment_requirement = 0;
+	info->generic.out.reparse_tag = 0;
+	info->generic.out.num_streams = 0;
+	/* setup a single data stream */
+	info->generic.out.num_streams = 1;
+	info->generic.out.streams = talloc(req->mem_ctx, sizeof(info->stream_info.out.streams[0]));
+	if (!info->generic.out.streams) {
+		return NT_STATUS_NO_MEMORY;
+	}
+	info->generic.out.streams[0].size = st->st_size;
+	info->generic.out.streams[0].alloc_size = st->st_size;
+	info->generic.out.streams[0].stream_name.s = talloc_strdup(req->mem_ctx,"::$DATA");
+	/* REWRITE: end */
+
+	return NT_STATUS_OK;
+}
+
+/*
+  return info on a pathname
+*/
+static NTSTATUS svfs_qpathinfo(struct request_context *req, union smb_fileinfo *info)
+{
+	char *unix_path;
+	struct stat st;
+
+	DEBUG(19,("svfs_qpathinfo: file %s level 0x%x\n", info->generic.in.fname, info->generic.level));
+	if (info->generic.level != RAW_FILEINFO_GENERIC) {
+		return ntvfs_map_qpathinfo(req, info);
+	}
+	
+	unix_path = svfs_unix_path(req, info->generic.in.fname);
+	DEBUG(19,("svfs_qpathinfo: file %s\n", unix_path));
+	if (stat(unix_path, &st) == -1) {
+		DEBUG(19,("svfs_qpathinfo: file %s errno=%d\n", unix_path, errno));
+		if (errno == 0)
+			errno = ENOENT;
+		return map_nt_error_from_unix(errno);
+	}
+	DEBUG(19,("svfs_qpathinfo: file %s, stat done\n", unix_path));
+	return svfs_map_fileinfo(req, info, &st);
+}
+
+/*
+  query info on a open file
+*/
+static NTSTATUS svfs_qfileinfo(struct request_context *req, union smb_fileinfo *info)
+{
+	struct stat st;
+
+	if (info->generic.level != RAW_FILEINFO_GENERIC) {
+		return ntvfs_map_qfileinfo(req, info);
+	}
+	
+	if (fstat(info->generic.in.fnum, &st) == -1) {
+		if (errno == 0)
+			errno = ENOENT;
+		return map_nt_error_from_unix(errno);
+	}
+
+	return svfs_map_fileinfo(req, info, &st);
+}
+
+
+/*
+  open a file
+*/
+static NTSTATUS svfs_open(struct request_context *req, union smb_open *io)
+{
+	char *unix_path;
+	struct stat st;
+	int fd, flags;
+	
+	if (io->generic.level != RAW_OPEN_GENERIC) {
+		return ntvfs_map_open(req, io);
+	}
+
+	unix_path = svfs_unix_path(req, io->ntcreatex.in.fname);
+
+	switch (io->generic.in.open_disposition) {
+	case NTCREATEX_DISP_SUPERSEDE:
+		flags = O_RDWR | O_CREAT | O_TRUNC;
+		break;
+	case NTCREATEX_DISP_OPEN:
+		flags = O_RDWR;
+		break;
+	case NTCREATEX_DISP_CREATE:
+		flags = O_RDWR | O_CREAT | O_EXCL;
+		break;
+	case NTCREATEX_DISP_OPEN_IF:
+		flags = O_RDWR | O_CREAT;
+		break;
+	case NTCREATEX_DISP_OVERWRITE:
+		flags = O_RDWR;
+		break;
+	case NTCREATEX_DISP_OVERWRITE_IF:
+		flags = O_RDWR | O_CREAT | O_TRUNC;
+		break;
+	default:
+		flags = O_RDWR;
+		break;
+	}
+
+	if (io->generic.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) {
+		flags = O_RDONLY | O_DIRECTORY;
+		switch (io->generic.in.open_disposition) {
+		case NTCREATEX_DISP_CREATE:
+			if (mkdir(unix_path, 0755) == -1) {
+				DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
+				return map_nt_error_from_unix(errno);
+			}
+			break;
+		case NTCREATEX_DISP_OPEN_IF:
+			if (mkdir(unix_path, 0755) == -1 && errno != EEXIST) {
+				DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
+				return map_nt_error_from_unix(errno);
+			}
+			break;
+		}
+	}
+	DEBUG(9,("svfs_open: file %s flags=0x%x\n", unix_path, flags));
+	fd = open(unix_path, flags, 0644);
+	DEBUG(9,("svfs_open: fd=%d errno=%d\n", fd, errno));
+	if (fd == -1) {
+		if (errno == 0)
+			errno = ENOENT;
+		return map_nt_error_from_unix(errno);
+	}
+
+	if (fstat(fd, &st) == -1) {
+		DEBUG(9,("svfs_open: fstat errno=%d\n", errno));
+		if (errno == 0)
+			errno = ENOENT;
+		close(fd);
+		return map_nt_error_from_unix(errno);
+	}
+
+	ZERO_STRUCT(io->generic.out);
+	
+	unix_to_nt_time(&io->generic.out.create_time, st.st_ctime);
+	unix_to_nt_time(&io->generic.out.access_time, st.st_atime);
+	unix_to_nt_time(&io->generic.out.write_time,  st.st_mtime);
+	unix_to_nt_time(&io->generic.out.change_time, st.st_mtime);
+	io->generic.out.fnum = fd;
+	io->generic.out.alloc_size = st.st_size;
+	io->generic.out.size = st.st_size;
+	io->generic.out.attrib = svfs_unix_to_dos_attrib(st.st_mode);
+	io->generic.out.is_directory = S_ISDIR(st.st_mode) ? 1 : 0;
+
+	return NT_STATUS_OK;
+}
+
+/*
+  create a directory
+*/
+static NTSTATUS svfs_mkdir(struct request_context *req, union smb_mkdir *md)
+{
+	char *unix_path;
+
+	if (md->generic.level != RAW_MKDIR_MKDIR) {
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	unix_path = svfs_unix_path(req, md->mkdir.in.path);
+
+	if (mkdir(unix_path, 0777) == -1) {
+		return map_nt_error_from_unix(errno);
+	}
+
+	return NT_STATUS_OK;
+}
+
+/*
+  remove a directory
+*/
+static NTSTATUS svfs_rmdir(struct request_context *req, struct smb_rmdir *rd)
+{
+	char *unix_path;
+
+	unix_path = svfs_unix_path(req, rd->in.path);
+
+	if (rmdir(unix_path) == -1) {
+		return map_nt_error_from_unix(errno);
+	}
+
+	return NT_STATUS_OK;
+}
+
+/*
+  rename a set of files
+*/
+static NTSTATUS svfs_rename(struct request_context *req, struct smb_rename *ren)
+{
+	char *unix_path1, *unix_path2;
+
+	unix_path1 = svfs_unix_path(req, ren->in.pattern1);
+	unix_path2 = svfs_unix_path(req, ren->in.pattern2);
+
+	if (rename(unix_path1, unix_path2) != 0) {
+		return map_nt_error_from_unix(errno);
+	}
+	
+	return NT_STATUS_OK;
+}
+
+/*
+  copy a set of files
+*/
+static NTSTATUS svfs_copy(struct request_context *req, struct smb_copy *cp)
+{
+	return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+  read from a file
+*/
+static NTSTATUS svfs_read(struct request_context *req, union smb_read *rd)
+{
+	ssize_t ret;
+
+	if (rd->generic.level != RAW_READ_READX) {
+		return NT_STATUS_NOT_SUPPORTED;
+	}
+
+	ret = pread(rd->readx.in.fnum, 
+		    rd->readx.out.data, 
+		    rd->readx.in.maxcnt,
+		    rd->readx.in.offset);
+	if (ret == -1) {
+		return map_nt_error_from_unix(errno);
+	}
+
+	rd->readx.out.nread = ret;
+	rd->readx.out.remaining = 0; /* should fill this in? */
+	rd->readx.out.compaction_mode = 0; 
+
+	return NT_STATUS_OK;
+}
+
+/*
+  write to a file
+*/
+static NTSTATUS svfs_write(struct request_context *req, union smb_write *wr)
+{
+	ssize_t ret;
+
+	switch (wr->generic.level) {
+	case RAW_WRITE_WRITEX:
+		ret = pwrite(wr->writex.in.fnum, 
+			     wr->writex.in.data, 
+			     wr->writex.in.count,
+			     wr->writex.in.offset);
+		if (ret == -1) {
+			return map_nt_error_from_unix(errno);
+		}
+		
+		wr->writex.out.nwritten = ret;
+		wr->writex.out.remaining = 0; /* should fill this in? */
+
+		return NT_STATUS_OK;
+
+	case RAW_WRITE_WRITE:
+		if (wr->write.in.count == 0) {
+			/* a truncate! */
+			ret = ftruncate(wr->write.in.fnum, wr->write.in.offset);
+		} else {
+			ret = pwrite(wr->write.in.fnum, 
+				     wr->write.in.data, 
+				     wr->write.in.count,
+				     wr->write.in.offset);
+		}
+		if (ret == -1) {
+			return map_nt_error_from_unix(errno);
+		}
+		
+		wr->write.out.nwritten = ret;
+
+		return NT_STATUS_OK;
+	}
+
+	return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+  seek in a file
+*/
+static NTSTATUS svfs_seek(struct request_context *req, struct smb_seek *io)
+{
+	return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+  flush a file
+*/
+static NTSTATUS svfs_flush(struct request_context *req, struct smb_flush *io)
+{
+	fsync(io->in.fnum);
+	return NT_STATUS_OK;
+}
+
+/*
+  close a file
+*/
+static NTSTATUS svfs_close(struct request_context *req, union smb_close *io)
+{
+	if (io->generic.level != RAW_CLOSE_CLOSE) {
+		/* we need a mapping function */
+		return NT_STATUS_INVALID_LEVEL;
+	}
+
+	if (close(io->close.in.fnum) != 0) {
+		return map_nt_error_from_unix(errno);
+	}
+
+	return NT_STATUS_OK;
+}
+
+/*
+  exit - closing files?
+*/
+static NTSTATUS svfs_exit(struct request_context *req)
+{
+	return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+  lock a byte range
+*/
+static NTSTATUS svfs_lock(struct request_context *req, union smb_lock *lck)
+{
+	DEBUG(0,("REWRITE: not doing byte range locking!\n"));
+	return NT_STATUS_OK;
+}
+
+/*
+  set info on a pathname
+*/
+static NTSTATUS svfs_setpathinfo(struct request_context *req, union smb_setfileinfo *st)
+{
+	return NT_STATUS_NOT_SUPPORTED;
+}
+
+/*
+  set info on a open file
+*/
+static NTSTATUS svfs_setfileinfo(struct request_context *req, 
+				 union smb_setfileinfo *info)
+{
+	struct utimbuf unix_times;
+	int fd;
+		
+	switch (info->generic.level) {
+	case RAW_SFILEINFO_END_OF_FILE_INFO:
+	case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
+		if (ftruncate(info->end_of_file_info.file.fnum, 
+			      info->end_of_file_info.in.size) != 0) {
+			return map_nt_error_from_unix(errno);
+		}
+		break;
+	case RAW_SFILEINFO_SETATTRE:
+		unix_times.actime = info->setattre.in.access_time;
+		unix_times.modtime = info->setattre.in.write_time;
+  		fd = info->setattre.file.fnum;
+	
+		if (unix_times.actime == 0 && unix_times.modtime == 0) {
+			break;
+		} 
+
+		/* set modify time = to access time if modify time was 0 */
+		if (unix_times.actime != 0 && unix_times.modtime == 0) {
+			unix_times.modtime = unix_times.actime;
+		}
+
+		/* Set the date on this file */
+		if (svfs_file_utime(fd, &unix_times) != 0) {
+			return NT_STATUS_ACCESS_DENIED;
+		}
+  		break;
+	}
+	return NT_STATUS_OK;
+}
+
+
+/*
+  return filesystem space info
+*/
+static NTSTATUS svfs_fsinfo(struct request_context *req, union smb_fsinfo *fs)
+{
+	struct svfs_private *private = req->conn->ntvfs_private;
+	struct stat st;
+
+	if (fs->generic.level != RAW_QFS_GENERIC) {
+		return ntvfs_map_fsinfo(req, fs);
+	}
+
+	if (sys_fsusage(private->connectpath, 
+			&fs->generic.out.blocks_free, 
+			&fs->generic.out.blocks_total) == -1) {
+		return map_nt_error_from_unix(errno);
+	}
+
+	fs->generic.out.block_size = 512;
+
+	if (stat(private->connectpath, &st) != 0) {
+		return NT_STATUS_DISK_CORRUPT_ERROR;
+	}
+	
+	fs->generic.out.fs_id = st.st_ino;
+	unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
+	fs->generic.out.serial_number = st.st_ino;
+	fs->generic.out.fs_attr = 0;
+	fs->generic.out.max_file_component_length = 255;
+	fs->generic.out.device_type = 0;
+	fs->generic.out.device_characteristics = 0;
+	fs->generic.out.quota_soft = 0;
+	fs->generic.out.quota_hard = 0;
+	fs->generic.out.quota_flags = 0;
+	fs->generic.out.volume_name = talloc_strdup(req->mem_ctx, lp_servicename(req->conn->service));
+	fs->generic.out.fs_type = req->conn->fs_type;
+
+	return NT_STATUS_OK;
+}
+
+#if 0
+/*
+  return filesystem attribute info
+*/
+static NTSTATUS svfs_fsattr(struct request_context *req, union smb_fsattr *fs)
+{
+	struct stat st;
+	struct svfs_private *private = req->conn->ntvfs_private;
+
+	if (fs->generic.level != RAW_FSATTR_GENERIC) {
+		return ntvfs_map_fsattr(req, fs);
+	}
+
+	if (stat(private->connectpath, &st) != 0) {
+		return map_nt_error_from_unix(errno);
+	}
+
+	unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
+	fs->generic.out.fs_attr = 
+		FILE_CASE_PRESERVED_NAMES | 
+		FILE_CASE_SENSITIVE_SEARCH | 
+		FILE_PERSISTENT_ACLS;
+	fs->generic.out.max_file_component_length = 255;
+	fs->generic.out.serial_number = 1;
+	fs->generic.out.fs_type = talloc_strdup(req->mem_ctx, "NTFS");
+	fs->generic.out.volume_name = talloc_strdup(req->mem_ctx, 
+						    lp_servicename(req->conn->service));
+
+	return NT_STATUS_OK;
+}
+#endif
+
+/*
+  return print queue info
+*/
+static NTSTATUS svfs_lpq(struct request_context *req, union smb_lpq *lpq)
+{
+	return NT_STATUS_NOT_SUPPORTED;
+}
+
+/* 
+   list files in a directory matching a wildcard pattern
+*/
+static NTSTATUS svfs_search_first(struct request_context *req, union smb_search_first *io, 
+				  void *search_private, 
+				  BOOL (*callback)(void *, union smb_search_data *))
+{
+	struct svfs_dir *dir;
+	int i;
+	struct svfs_private *private = req->conn->ntvfs_private;
+	struct search_state *search;
+	union smb_search_data file;
+	TALLOC_CTX *mem_ctx;
+	uint_t max_count;
+
+	if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
+		return NT_STATUS_NOT_SUPPORTED;
+	}
+
+	mem_ctx = talloc_init("svfs_search");
+
+	search = talloc_zero(mem_ctx, sizeof(struct search_state));
+	if (!search) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	max_count = io->t2ffirst.in.max_count;
+
+	dir = svfs_list(mem_ctx, req, io->t2ffirst.in.pattern);
+	if (!dir) {
+		talloc_destroy_pool(mem_ctx);
+		return NT_STATUS_FOOBAR;
+	}
+
+	search->mem_ctx = mem_ctx;
+	search->handle = private->next_search_handle;
+	search->dir = dir;
+
+	if (dir->count < max_count) {
+		max_count = dir->count;
+	}
+
+	for (i=0; i < max_count;i++) {
+		ZERO_STRUCT(file);
+		unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
+		unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
+		unix_to_nt_time(&file.both_directory_info.write_time,  dir->files[i].st.st_mtime);
+		unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
+		file.both_directory_info.name.s = dir->files[i].name;
+		file.both_directory_info.short_name.s = dir->files[i].name;
+		file.both_directory_info.size = dir->files[i].st.st_size;
+		file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
+
+		if (!callback(search_private, &file)) {
+			break;
+		}
+	}
+
+	search->current_index = i;
+
+	io->t2ffirst.out.count = i;
+	io->t2ffirst.out.handle = search->handle;
+	io->t2ffirst.out.end_of_search = (i == dir->count) ? 1 : 0;
+
+	/* work out if we are going to keep the search state */
+	if ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
+	    ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
+		talloc_destroy(search->mem_ctx);
+	} else {
+		private->next_search_handle++;
+		DLIST_ADD(private->search, search);
+	}
+
+	return NT_STATUS_OK;
+}
+
+/* continue a search */
+static NTSTATUS svfs_search_next(struct request_context *req, union smb_search_next *io, 
+				 void *search_private, 
+				 BOOL (*callback)(void *, union smb_search_data *))
+{
+	struct svfs_dir *dir;
+	int i;
+	struct svfs_private *private = req->conn->ntvfs_private;
+	struct search_state *search;
+	union smb_search_data file;
+	uint_t max_count;
+
+	if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
+		return NT_STATUS_NOT_SUPPORTED;
+	}
+
+	for (search=private->search; search; search = search->next) {
+		if (search->handle == io->t2fnext.in.handle) break;
+	}
+	
+	if (!search) {
+		/* we didn't find the search handle */
+		return NT_STATUS_FOOBAR;
+	}
+
+	dir = search->dir;
+
+	/* the client might be asking for something other than just continuing
+	   with the search */
+	if (!(io->t2fnext.in.flags & FLAG_TRANS2_FIND_CONTINUE) &&
+	    (io->t2fnext.in.flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) &&
+	    io->t2fnext.in.last_name && *io->t2fnext.in.last_name) {
+		/* look backwards first */
+		for (i=search->current_index; i > 0; i--) {
+			if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
+				search->current_index = i;
+				goto found;
+			}
+		}
+
+		/* then look forwards */
+		for (i=search->current_index+1; i <= dir->count; i++) {
+			if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
+				search->current_index = i;
+				goto found;
+			}
+		}
+	}
+
+found:	
+	max_count = search->current_index + io->t2fnext.in.max_count;
+
+	if (max_count > dir->count) {
+		max_count = dir->count;
+	}
+
+	for (i = search->current_index; i < max_count;i++) {
+		ZERO_STRUCT(file);
+		unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
+		unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
+		unix_to_nt_time(&file.both_directory_info.write_time,  dir->files[i].st.st_mtime);
+		unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
+		file.both_directory_info.name.s = dir->files[i].name;
+		file.both_directory_info.short_name.s = dir->files[i].name;
+		file.both_directory_info.size = dir->files[i].st.st_size;
+		file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
+
+		if (!callback(search_private, &file)) {
+			break;
+		}
+	}
+
+	io->t2fnext.out.count = i - search->current_index;
+	io->t2fnext.out.end_of_search = (i == dir->count) ? 1 : 0;
+
+	search->current_index = i;
+
+	/* work out if we are going to keep the search state */
+	if ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
+	    ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
+		DLIST_REMOVE(private->search, search);
+		talloc_destroy(search->mem_ctx);
+	}
+
+	return NT_STATUS_OK;
+}
+
+/* close a search */
+static NTSTATUS svfs_search_close(struct request_context *req, union smb_search_close *io)
+{
+	struct svfs_private *private = req->conn->ntvfs_private;
+	struct search_state *search;
+
+	for (search=private->search; search; search = search->next) {
+		if (search->handle == io->findclose.in.handle) break;
+	}
+	
+	if (!search) {
+		/* we didn't find the search handle */
+		return NT_STATUS_FOOBAR;
+	}
+
+	DLIST_REMOVE(private->search, search);
+	talloc_destroy(search->mem_ctx);
+
+	return NT_STATUS_OK;
+}
+
+
+/*
+  initialialise the POSIX disk backend, registering ourselves with the ntvfs subsystem
+ */
+BOOL posix_vfs_init(void)
+{
+	BOOL ret;
+	struct ntvfs_ops ops;
+
+	ZERO_STRUCT(ops);
+	
+	/* fill in all the operations */
+	ops.connect = svfs_connect;
+	ops.disconnect = svfs_disconnect;
+	ops.unlink = svfs_unlink;
+	ops.chkpath = svfs_chkpath;
+	ops.qpathinfo = svfs_qpathinfo;
+	ops.setpathinfo = svfs_setpathinfo;
+	ops.open = svfs_open;
+	ops.mkdir = svfs_mkdir;
+	ops.rmdir = svfs_rmdir;
+	ops.rename = svfs_rename;
+	ops.copy = svfs_copy;
+	ops.ioctl = svfs_ioctl;
+	ops.read = svfs_read;
+	ops.write = svfs_write;
+	ops.seek = svfs_seek;
+	ops.flush = svfs_flush;	
+	ops.close = svfs_close;
+	ops.exit = svfs_exit;
+	ops.lock = svfs_lock;
+	ops.setfileinfo = svfs_setfileinfo;
+	ops.qfileinfo = svfs_qfileinfo;
+	ops.fsinfo = svfs_fsinfo;
+	ops.lpq = svfs_lpq;
+	ops.search_first = svfs_search_first;
+	ops.search_next = svfs_search_next;
+	ops.search_close = svfs_search_close;
+
+	/* register ourselves with the NTVFS subsystem. We register under the name 'default'
+	   as we wish to be the default backend */
+	ret = ntvfs_register("simple", NTVFS_DISK, &ops);
+
+	if (!ret) {
+		DEBUG(0,("Failed to register POSIX backend!\n"));
+		return False;
+	}
+
+	return True;
+}