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samba-mirror/source4/ntvfs/simple/vfs_simple.c
Andreas Schneider 6427dafe70 s4:ntvfs: Fix code spelling
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-08-14 21:45:29 +00:00

1113 lines
28 KiB
C

/*
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 3 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, see <http://www.gnu.org/licenses/>.
*/
/*
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 "system/dir.h"
#include "system/filesys.h"
#include "svfs.h"
#include "system/time.h"
#include "../lib/util/dlinklist.h"
#include "ntvfs/ntvfs.h"
#include "ntvfs/simple/proto.h"
#ifndef O_DIRECTORY
#define O_DIRECTORY 0
#endif
#define CHECK_READ_ONLY(req) do { if (share_bool_option(ntvfs->ctx->config, SHARE_READONLY, true)) return NT_STATUS_ACCESS_DENIED; } while (0)
/*
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 ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_tcon* tcon)
{
struct stat st;
struct svfs_private *p;
struct share_config *scfg = ntvfs->ctx->config;
const char *sharename;
switch (tcon->generic.level) {
case RAW_TCON_TCON:
sharename = tcon->tcon.in.service;
break;
case RAW_TCON_TCONX:
sharename = tcon->tconx.in.path;
break;
case RAW_TCON_SMB2:
sharename = tcon->smb2.in.path;
break;
default:
return NT_STATUS_INVALID_LEVEL;
}
if (strncmp(sharename, "\\\\", 2) == 0) {
char *p2 = strchr(sharename+2, '\\');
if (p2) {
sharename = p2 + 1;
}
}
p = talloc(ntvfs, struct svfs_private);
NT_STATUS_HAVE_NO_MEMORY(p);
p->ntvfs = ntvfs;
p->next_search_handle = 0;
p->connectpath = share_string_option(p, scfg, SHARE_PATH, "");
p->open_files = NULL;
p->search = NULL;
/* the directory must exist */
if (stat(p->connectpath, &st) != 0 || !S_ISDIR(st.st_mode)) {
DEBUG(0,("'%s' is not a directory, when connecting to [%s]\n",
p->connectpath, sharename));
return NT_STATUS_BAD_NETWORK_NAME;
}
ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type);
ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:");
NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type);
if (tcon->generic.level == RAW_TCON_TCONX) {
tcon->tconx.out.fs_type = ntvfs->ctx->fs_type;
tcon->tconx.out.dev_type = ntvfs->ctx->dev_type;
}
ntvfs->private_data = p;
return NT_STATUS_OK;
}
/*
disconnect from a share
*/
static NTSTATUS svfs_disconnect(struct ntvfs_module_context *ntvfs)
{
return NT_STATUS_OK;
}
/*
find open file handle given fd
*/
static struct svfs_file *find_fd(struct svfs_private *sp, struct ntvfs_handle *handle)
{
struct svfs_file *f;
void *p;
p = ntvfs_handle_get_backend_data(handle, sp->ntvfs);
if (!p) return NULL;
f = talloc_get_type(p, struct svfs_file);
if (!f) return NULL;
return f;
}
/*
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 ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_unlink *unl)
{
char *unix_path;
CHECK_READ_ONLY(req);
unix_path = svfs_unix_path(ntvfs, req, unl->unlink.in.pattern);
/* ignoring wildcards ... */
if (unlink(unix_path) == -1) {
return map_nt_error_from_unix_common(errno);
}
return NT_STATUS_OK;
}
/*
ioctl interface - we don't do any
*/
static NTSTATUS svfs_ioctl(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_ioctl *io)
{
return NT_STATUS_INVALID_PARAMETER;
}
/*
check if a directory exists
*/
static NTSTATUS svfs_chkpath(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_chkpath *cp)
{
char *unix_path;
struct stat st;
unix_path = svfs_unix_path(ntvfs, req, cp->chkpath.in.path);
if (stat(unix_path, &st) == -1) {
return map_nt_error_from_unix_common(errno);
}
if (!S_ISDIR(st.st_mode)) {
return NT_STATUS_NOT_A_DIRECTORY;
}
return NT_STATUS_OK;
}
/*
build a file_id from a stat struct
*/
static uint64_t svfs_file_id(struct stat *st)
{
uint64_t ret = st->st_ino;
ret <<= 32;
ret |= st->st_dev;
return ret;
}
/*
approximately map a struct stat to a generic fileinfo struct
*/
static NTSTATUS svfs_map_fileinfo(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_fileinfo *info,
struct stat *st, const char *unix_path)
{
struct svfs_dir *dir = NULL;
char *pattern = NULL;
int i, ret;
const char *s, *short_name;
s = strrchr(unix_path, '/');
if (s) {
short_name = s+1;
} else {
short_name = "";
}
ret = asprintf(&pattern, "%s:*", unix_path);
if (ret == -1) {
return NT_STATUS_NO_MEMORY;
}
if (pattern) {
dir = svfs_list_unix(req, 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, short_name);
info->generic.out.alt_fname.s = talloc_strdup(req, short_name);
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(req,
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,"::$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 ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_fileinfo *info)
{
char *unix_path;
struct stat st;
DEBUG(19,("svfs_qpathinfo: file %s level 0x%x\n", info->generic.in.file.path, info->generic.level));
if (info->generic.level != RAW_FILEINFO_GENERIC) {
return ntvfs_map_qpathinfo(ntvfs, req, info);
}
unix_path = svfs_unix_path(ntvfs, req, info->generic.in.file.path);
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));
return map_nt_error_from_unix_common(errno);
}
DEBUG(19,("svfs_qpathinfo: file %s, stat done\n", unix_path));
return svfs_map_fileinfo(ntvfs, req, info, &st, unix_path);
}
/*
query info on a open file
*/
static NTSTATUS svfs_qfileinfo(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_fileinfo *info)
{
struct svfs_private *p = ntvfs->private_data;
struct svfs_file *f;
struct stat st;
if (info->generic.level != RAW_FILEINFO_GENERIC) {
return ntvfs_map_qfileinfo(ntvfs, req, info);
}
f = find_fd(p, info->generic.in.file.ntvfs);
if (!f) {
return NT_STATUS_INVALID_HANDLE;
}
if (fstat(f->fd, &st) == -1) {
return map_nt_error_from_unix_common(errno);
}
return svfs_map_fileinfo(ntvfs, req,info, &st, f->name);
}
/*
open a file
*/
static NTSTATUS svfs_open(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_open *io)
{
struct svfs_private *p = ntvfs->private_data;
char *unix_path;
struct stat st;
int fd, flags;
struct svfs_file *f;
int create_flags, rdwr_flags;
bool readonly;
NTSTATUS status;
struct ntvfs_handle *handle;
if (io->generic.level != RAW_OPEN_GENERIC) {
return ntvfs_map_open(ntvfs, req, io);
}
readonly = share_bool_option(ntvfs->ctx->config, SHARE_READONLY, SHARE_READONLY_DEFAULT);
if (readonly) {
create_flags = 0;
rdwr_flags = O_RDONLY;
} else {
create_flags = O_CREAT;
rdwr_flags = O_RDWR;
}
unix_path = svfs_unix_path(ntvfs, req, io->ntcreatex.in.fname);
switch (io->generic.in.open_disposition) {
case NTCREATEX_DISP_SUPERSEDE:
case NTCREATEX_DISP_OVERWRITE_IF:
flags = create_flags | O_TRUNC;
break;
case NTCREATEX_DISP_OPEN:
case NTCREATEX_DISP_OVERWRITE:
flags = 0;
break;
case NTCREATEX_DISP_CREATE:
flags = create_flags | O_EXCL;
break;
case NTCREATEX_DISP_OPEN_IF:
flags = create_flags;
break;
default:
flags = 0;
break;
}
flags |= rdwr_flags;
if (io->generic.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) {
flags = O_RDONLY | O_DIRECTORY;
if (readonly) {
goto do_open;
}
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_common(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_common(errno);
}
break;
}
}
do_open:
fd = open(unix_path, flags, 0644);
if (fd == -1) {
return map_nt_error_from_unix_common(errno);
}
if (fstat(fd, &st) == -1) {
DEBUG(9,("svfs_open: fstat errno=%d\n", errno));
close(fd);
return map_nt_error_from_unix_common(errno);
}
status = ntvfs_handle_new(ntvfs, req, &handle);
NT_STATUS_NOT_OK_RETURN(status);
f = talloc(handle, struct svfs_file);
if (f == NULL) {
close(fd);
return NT_STATUS_NO_MEMORY;
}
f->fd = fd;
f->name = talloc_strdup(f, unix_path);
NT_STATUS_HAVE_NO_MEMORY(f->name);
DLIST_ADD(p->open_files, f);
status = ntvfs_handle_set_backend_data(handle, ntvfs, f);
NT_STATUS_NOT_OK_RETURN(status);
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.file.ntvfs = handle;
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 ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_mkdir *md)
{
char *unix_path;
CHECK_READ_ONLY(req);
if (md->generic.level != RAW_MKDIR_MKDIR) {
return NT_STATUS_INVALID_LEVEL;
}
unix_path = svfs_unix_path(ntvfs, req, md->mkdir.in.path);
if (mkdir(unix_path, 0777) == -1) {
return map_nt_error_from_unix_common(errno);
}
return NT_STATUS_OK;
}
/*
remove a directory
*/
static NTSTATUS svfs_rmdir(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, struct smb_rmdir *rd)
{
char *unix_path;
CHECK_READ_ONLY(req);
unix_path = svfs_unix_path(ntvfs, req, rd->in.path);
if (rmdir(unix_path) == -1) {
return map_nt_error_from_unix_common(errno);
}
return NT_STATUS_OK;
}
/*
rename a set of files
*/
static NTSTATUS svfs_rename(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_rename *ren)
{
char *unix_path1, *unix_path2;
CHECK_READ_ONLY(req);
if (ren->generic.level != RAW_RENAME_RENAME) {
return NT_STATUS_INVALID_LEVEL;
}
unix_path1 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern1);
unix_path2 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern2);
if (rename(unix_path1, unix_path2) == -1) {
return map_nt_error_from_unix_common(errno);
}
return NT_STATUS_OK;
}
/*
copy a set of files
*/
static NTSTATUS svfs_copy(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, struct smb_copy *cp)
{
return NT_STATUS_NOT_SUPPORTED;
}
/*
read from a file
*/
static NTSTATUS svfs_read(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_read *rd)
{
struct svfs_private *p = ntvfs->private_data;
struct svfs_file *f;
ssize_t ret;
if (rd->generic.level != RAW_READ_READX) {
return NT_STATUS_NOT_SUPPORTED;
}
f = find_fd(p, rd->readx.in.file.ntvfs);
if (!f) {
return NT_STATUS_INVALID_HANDLE;
}
ret = pread(f->fd,
rd->readx.out.data,
rd->readx.in.maxcnt,
rd->readx.in.offset);
if (ret == -1) {
return map_nt_error_from_unix_common(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 ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_write *wr)
{
struct svfs_private *p = ntvfs->private_data;
struct svfs_file *f;
ssize_t ret;
if (wr->generic.level != RAW_WRITE_WRITEX) {
return ntvfs_map_write(ntvfs, req, wr);
}
CHECK_READ_ONLY(req);
f = find_fd(p, wr->writex.in.file.ntvfs);
if (!f) {
return NT_STATUS_INVALID_HANDLE;
}
ret = pwrite(f->fd,
wr->writex.in.data,
wr->writex.in.count,
wr->writex.in.offset);
if (ret == -1) {
return map_nt_error_from_unix_common(errno);
}
wr->writex.out.nwritten = ret;
wr->writex.out.remaining = 0; /* should fill this in? */
return NT_STATUS_OK;
}
/*
seek in a file
*/
static NTSTATUS svfs_seek(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_seek *io)
{
return NT_STATUS_NOT_SUPPORTED;
}
/*
flush a file
*/
static NTSTATUS svfs_flush(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_flush *io)
{
struct svfs_private *p = ntvfs->private_data;
struct svfs_file *f;
switch (io->generic.level) {
case RAW_FLUSH_FLUSH:
case RAW_FLUSH_SMB2:
/* ignore the additional unknown option in SMB2 */
f = find_fd(p, io->generic.in.file.ntvfs);
if (!f) {
return NT_STATUS_INVALID_HANDLE;
}
fsync(f->fd);
return NT_STATUS_OK;
case RAW_FLUSH_ALL:
for (f=p->open_files;f;f=f->next) {
fsync(f->fd);
}
return NT_STATUS_OK;
}
return NT_STATUS_INVALID_LEVEL;
}
/*
close a file
*/
static NTSTATUS svfs_close(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_close *io)
{
struct svfs_private *p = ntvfs->private_data;
struct svfs_file *f;
if (io->generic.level != RAW_CLOSE_CLOSE) {
/* we need a mapping function */
return NT_STATUS_INVALID_LEVEL;
}
f = find_fd(p, io->close.in.file.ntvfs);
if (!f) {
return NT_STATUS_INVALID_HANDLE;
}
if (close(f->fd) == -1) {
return map_nt_error_from_unix_common(errno);
}
DLIST_REMOVE(p->open_files, f);
talloc_free(f->name);
talloc_free(f);
return NT_STATUS_OK;
}
/*
exit - closing files
*/
static NTSTATUS svfs_exit(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req)
{
return NT_STATUS_NOT_SUPPORTED;
}
/*
logoff - closing files
*/
static NTSTATUS svfs_logoff(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req)
{
return NT_STATUS_NOT_SUPPORTED;
}
/*
setup for an async call
*/
static NTSTATUS svfs_async_setup(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
void *private_data)
{
return NT_STATUS_OK;
}
/*
cancel an async call
*/
static NTSTATUS svfs_cancel(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req)
{
return NT_STATUS_UNSUCCESSFUL;
}
/*
lock a byte range
*/
static NTSTATUS svfs_lock(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *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 ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_setfileinfo *st)
{
CHECK_READ_ONLY(req);
return NT_STATUS_NOT_SUPPORTED;
}
/*
set info on a open file
*/
static NTSTATUS svfs_setfileinfo(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_setfileinfo *info)
{
struct svfs_private *p = ntvfs->private_data;
struct svfs_file *f;
struct utimbuf unix_times;
CHECK_READ_ONLY(req);
f = find_fd(p, info->generic.in.file.ntvfs);
if (!f) {
return NT_STATUS_INVALID_HANDLE;
}
switch (info->generic.level) {
case RAW_SFILEINFO_END_OF_FILE_INFO:
case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
if (ftruncate(f->fd,
info->end_of_file_info.in.size) == -1) {
return map_nt_error_from_unix_common(errno);
}
break;
case RAW_SFILEINFO_SETATTRE:
unix_times.actime = info->setattre.in.access_time;
unix_times.modtime = info->setattre.in.write_time;
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(f->fd, &unix_times) != 0) {
return NT_STATUS_ACCESS_DENIED;
}
break;
default:
DEBUG(2,("svfs_setfileinfo: level %d not implemented\n",
info->generic.level));
return NT_STATUS_NOT_IMPLEMENTED;
}
return NT_STATUS_OK;
}
/*
return filesystem space info
*/
static NTSTATUS svfs_fsinfo(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_fsinfo *fs)
{
struct svfs_private *p = ntvfs->private_data;
struct stat st;
if (fs->generic.level != RAW_QFS_GENERIC) {
return ntvfs_map_fsinfo(ntvfs, req, fs);
}
if (sys_fsusage(p->connectpath,
&fs->generic.out.blocks_free,
&fs->generic.out.blocks_total) == -1) {
return map_nt_error_from_unix_common(errno);
}
fs->generic.out.block_size = 512;
if (stat(p->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, ntvfs->ctx->config->name);
fs->generic.out.fs_type = ntvfs->ctx->fs_type;
return NT_STATUS_OK;
}
#if 0
/*
return filesystem attribute info
*/
static NTSTATUS svfs_fsattr(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_fsattr *fs)
{
struct stat st;
struct svfs_private *p = ntvfs->private_data;
if (fs->generic.level != RAW_FSATTR_GENERIC) {
return ntvfs_map_fsattr(ntvfs, req, fs);
}
if (stat(p->connectpath, &st) == -1) {
return map_nt_error_from_unix_common(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, "NTFS");
fs->generic.out.volume_name = talloc_strdup(req,
lpcfg_servicename(req->tcon->service));
return NT_STATUS_OK;
}
#endif
/*
return print queue info
*/
static NTSTATUS svfs_lpq(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *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 ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_search_first *io,
void *search_private,
bool (*callback)(void *, const union smb_search_data *))
{
struct svfs_dir *dir;
int i;
struct svfs_private *p = ntvfs->private_data;
struct search_state *search;
union smb_search_data file;
unsigned int max_count;
if (io->generic.level != RAW_SEARCH_TRANS2) {
return NT_STATUS_NOT_SUPPORTED;
}
if (io->generic.data_level != RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO) {
return NT_STATUS_NOT_SUPPORTED;
}
search = talloc_zero(p, struct search_state);
if (!search) {
return NT_STATUS_NO_MEMORY;
}
max_count = io->t2ffirst.in.max_count;
dir = svfs_list(ntvfs, req, io->t2ffirst.in.pattern);
if (!dir) {
return NT_STATUS_FOOBAR;
}
search->handle = p->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_free(search);
} else {
p->next_search_handle++;
DLIST_ADD(p->search, search);
}
return NT_STATUS_OK;
}
/* continue a search */
static NTSTATUS svfs_search_next(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_search_next *io,
void *search_private,
bool (*callback)(void *, const union smb_search_data *))
{
struct svfs_dir *dir;
int i;
struct svfs_private *p = ntvfs->private_data;
struct search_state *search;
union smb_search_data file;
unsigned int max_count;
if (io->generic.level != RAW_SEARCH_TRANS2) {
return NT_STATUS_NOT_SUPPORTED;
}
if (io->generic.data_level != RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO) {
return NT_STATUS_NOT_SUPPORTED;
}
for (search=p->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(p->search, search);
talloc_free(search);
}
return NT_STATUS_OK;
}
/* close a search */
static NTSTATUS svfs_search_close(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_search_close *io)
{
struct svfs_private *p = ntvfs->private_data;
struct search_state *search;
for (search=p->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(p->search, search);
talloc_free(search);
return NT_STATUS_OK;
}
/* SMBtrans - not used on file shares */
static NTSTATUS svfs_trans(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, struct smb_trans2 *trans2)
{
return NT_STATUS_ACCESS_DENIED;
}
/*
initialise the POSIX disk backend, registering ourselves with the ntvfs subsystem
*/
NTSTATUS ntvfs_simple_init(TALLOC_CTX *ctx)
{
NTSTATUS ret;
struct ntvfs_ops ops;
NTVFS_CURRENT_CRITICAL_SIZES(vers);
ZERO_STRUCT(ops);
/* fill in all the operations */
ops.connect_fn = svfs_connect;
ops.disconnect_fn = svfs_disconnect;
ops.unlink_fn = svfs_unlink;
ops.chkpath_fn = svfs_chkpath;
ops.qpathinfo_fn = svfs_qpathinfo;
ops.setpathinfo_fn = svfs_setpathinfo;
ops.open_fn = svfs_open;
ops.mkdir_fn = svfs_mkdir;
ops.rmdir_fn = svfs_rmdir;
ops.rename_fn = svfs_rename;
ops.copy_fn = svfs_copy;
ops.ioctl_fn = svfs_ioctl;
ops.read_fn = svfs_read;
ops.write_fn = svfs_write;
ops.seek_fn = svfs_seek;
ops.flush_fn = svfs_flush;
ops.close_fn = svfs_close;
ops.exit_fn = svfs_exit;
ops.lock_fn = svfs_lock;
ops.setfileinfo_fn = svfs_setfileinfo;
ops.qfileinfo_fn = svfs_qfileinfo;
ops.fsinfo_fn = svfs_fsinfo;
ops.lpq_fn = svfs_lpq;
ops.search_first_fn = svfs_search_first;
ops.search_next_fn = svfs_search_next;
ops.search_close_fn = svfs_search_close;
ops.trans_fn = svfs_trans;
ops.logoff_fn = svfs_logoff;
ops.async_setup_fn = svfs_async_setup;
ops.cancel_fn = svfs_cancel;
/* register ourselves with the NTVFS subsystem. We register
under names 'simple'
*/
ops.type = NTVFS_DISK;
ops.name = "simple";
ret = ntvfs_register(&ops, &vers);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(0,("Failed to register simple backend with name: %s!\n",
ops.name));
}
return ret;
}