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|
/*
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"
#ifndef O_DIRECTORY
#define O_DIRECTORY 0
#endif
/*
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;
}
/*
find open file handle given fd
*/
static struct svfs_file *find_fd(struct svfs_private *private, int fd)
{
struct svfs_file *f;
for (f=private->open_files;f;f=f->next) {
if (f->fd == fd) {
return f;
}
}
return NULL;
}
/*
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, union 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, const char *unix_path)
{
struct svfs_dir *dir = NULL;
char *pattern = NULL;
int i;
char *s, *short_name;
s = strrchr(unix_path, '/');
if (s) {
short_name = s+1;
} else {
short_name = "";
}
asprintf(&pattern, "%s:*", unix_path);
if (pattern) {
dir = svfs_list_unix(req->mem_ctx, req, pattern);
}
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.file_id = svfs_file_id(st);
/* 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, short_name);
info->generic.out.alt_fname.s = talloc_strdup(req->mem_ctx, short_name);
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 + (dir?dir->count:0);
info->generic.out.streams = talloc_array_p(req->mem_ctx,
struct stream_struct,
info->generic.out.num_streams);
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");
for (i=0;dir && i<dir->count;i++) {
s = strchr(dir->files[i].name, ':');
info->generic.out.streams[1+i].size = dir->files[i].st.st_size;
info->generic.out.streams[1+i].alloc_size = dir->files[i].st.st_size;
info->generic.out.streams[1+i].stream_name.s = s?s:dir->files[i].name;
}
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, unix_path);
}
/*
query info on a open file
*/
static NTSTATUS svfs_qfileinfo(struct request_context *req, union smb_fileinfo *info)
{
struct svfs_private *private = req->conn->ntvfs_private;
struct svfs_file *f;
struct stat st;
if (info->generic.level != RAW_FILEINFO_GENERIC) {
return ntvfs_map_qfileinfo(req, info);
}
f = find_fd(private, info->generic.in.fnum);
if (!f) {
return NT_STATUS_INVALID_HANDLE;
}
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, f->name);
}
/*
open a file
*/
static NTSTATUS svfs_open(struct request_context *req, union smb_open *io)
{
struct svfs_private *private = req->conn->ntvfs_private;
char *unix_path;
struct stat st;
int fd, flags;
struct svfs_file *f;
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);
}
f = talloc_p(req->conn->mem_ctx, struct svfs_file);
f->fd = fd;
f->name = talloc_strdup(req->conn->mem_ctx, unix_path);
DLIST_ADD(private->open_files, f);
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, union smb_rename *ren)
{
char *unix_path1, *unix_path2;
if (ren->generic.level != RAW_RENAME_RENAME) {
return NT_STATUS_INVALID_LEVEL;
}
unix_path1 = svfs_unix_path(req, ren->rename.in.pattern1);
unix_path2 = svfs_unix_path(req, ren->rename.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)
{
struct svfs_private *private = req->conn->ntvfs_private;
struct svfs_file *f;
if (io->generic.level != RAW_CLOSE_CLOSE) {
/* we need a mapping function */
return NT_STATUS_INVALID_LEVEL;
}
f = find_fd(private, io->close.in.fnum);
if (!f) {
return NT_STATUS_INVALID_HANDLE;
}
if (close(io->close.in.fnum) != 0) {
return map_nt_error_from_unix(errno);
}
DLIST_REMOVE(private->open_files, f);
talloc_free(req->conn->mem_ctx, f->name);
talloc_free(req->conn->mem_ctx, f);
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;
}
/* SMBtrans - not used on file shares */
static NTSTATUS svfs_trans(struct request_context *req, struct smb_trans2 *trans2)
{
return NT_STATUS_ACCESS_DENIED;
}
/*
initialialise the POSIX disk backend, registering ourselves with the ntvfs subsystem
*/
NTSTATUS ntvfs_simple_init(void)
{
NTSTATUS ret;
struct ntvfs_ops ops;
ZERO_STRUCT(ops);
/* fill in the name and type */
ops.type = NTVFS_DISK;
/* 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;
ops.trans = svfs_trans;
/* register ourselves with the NTVFS subsystem. We register
under two names 'simple' and 'default'
*/
ops.name = "simple";
ret = register_backend("ntvfs", &ops);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(0,("Failed to register simple backend with name: %s!\n",
ops.name));
}
/* also register as "default" */
ops.name = "default";
ret = register_backend("ntvfs", &ops);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(0,("Failed to register simple backend with name: %s!\n",
ops.name));
}
return ret;
}
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