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samba-mirror/source4/ntvfs/smb2/vfs_smb2.c
Matthias Dieter Wallnöfer 62a1e13b29 s4:ntvfs/smb2/vfs_smb2.c - remove unused variable
Reviewed-by: Jelmer
2011-06-11 16:26:13 +02:00

878 lines
22 KiB
C

/*
Unix SMB/CIFS implementation.
CIFS-to-SMB2 NTVFS filesystem backend
Copyright (C) Andrew Tridgell 2008
largely based on vfs_cifs.c which was
Copyright (C) Andrew Tridgell 2003
Copyright (C) James J Myers 2003 <myersjj@samba.org>
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 CIFS->CIFS NTVFS filesystem backend.
*/
#include "includes.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/raw/raw_proto.h"
#include "libcli/composite/composite.h"
#include "libcli/smb_composite/smb_composite.h"
#include "auth/auth.h"
#include "auth/credentials/credentials.h"
#include "ntvfs/ntvfs.h"
#include "../lib/util/dlinklist.h"
#include "param/param.h"
#include "libcli/resolve/resolve.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
NTSTATUS ntvfs_smb2_init(void);
struct cvfs_file {
struct cvfs_file *prev, *next;
uint16_t fnum;
struct ntvfs_handle *h;
};
/* this is stored in ntvfs_private */
struct cvfs_private {
struct smb2_tree *tree;
struct smb2_transport *transport;
struct ntvfs_module_context *ntvfs;
struct async_info *pending;
struct cvfs_file *files;
/* a handle on the root of the share */
/* TODO: leaving this handle open could prevent other users
from opening the share with exclusive access. We probably
need to open it on demand */
struct smb2_handle roothandle;
};
/* a structure used to pass information to an async handler */
struct async_info {
struct async_info *next, *prev;
struct cvfs_private *cvfs;
struct ntvfs_request *req;
void *c_req;
struct composite_context *c_comp;
struct cvfs_file *f;
void *parms;
};
#define SETUP_FILE_HERE(f) do { \
f = ntvfs_handle_get_backend_data(io->generic.in.file.ntvfs, ntvfs); \
if (!f) return NT_STATUS_INVALID_HANDLE; \
io->generic.in.file.fnum = f->fnum; \
} while (0)
#define SETUP_FILE do { \
struct cvfs_file *f; \
SETUP_FILE_HERE(f); \
} while (0)
#define SMB2_SERVER "smb2:server"
#define SMB2_USER "smb2:user"
#define SMB2_PASSWORD "smb2:password"
#define SMB2_DOMAIN "smb2:domain"
#define SMB2_SHARE "smb2:share"
#define SMB2_USE_MACHINE_ACCT "smb2:use-machine-account"
#define SMB2_USE_MACHINE_ACCT_DEFAULT false
/*
a handler for oplock break events from the server - these need to be passed
along to the client
*/
static bool oplock_handler(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *p_private)
{
struct cvfs_private *p = p_private;
NTSTATUS status;
struct ntvfs_handle *h = NULL;
struct cvfs_file *f;
for (f=p->files; f; f=f->next) {
if (f->fnum != fnum) continue;
h = f->h;
break;
}
if (!h) {
DEBUG(5,("vfs_smb2: ignoring oplock break level %d for fnum %d\n", level, fnum));
return true;
}
DEBUG(5,("vfs_smb2: sending oplock break level %d for fnum %d\n", level, fnum));
status = ntvfs_send_oplock_break(p->ntvfs, h, level);
if (!NT_STATUS_IS_OK(status)) return false;
return true;
}
/*
return a handle to the root of the share
*/
static NTSTATUS smb2_get_roothandle(struct smb2_tree *tree, struct smb2_handle *handle)
{
struct smb2_create io;
NTSTATUS status;
ZERO_STRUCT(io);
io.in.oplock_level = 0;
io.in.desired_access = SEC_STD_SYNCHRONIZE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_LIST;
io.in.file_attributes = 0;
io.in.create_disposition = NTCREATEX_DISP_OPEN;
io.in.share_access =
NTCREATEX_SHARE_ACCESS_READ |
NTCREATEX_SHARE_ACCESS_WRITE|
NTCREATEX_SHARE_ACCESS_DELETE;
io.in.create_options = 0;
io.in.fname = NULL;
status = smb2_create(tree, tree, &io);
NT_STATUS_NOT_OK_RETURN(status);
*handle = io.out.file.handle;
return NT_STATUS_OK;
}
/*
connect to a share - used when a tree_connect operation comes in.
*/
static NTSTATUS cvfs_connect(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_tcon* tcon)
{
NTSTATUS status;
struct cvfs_private *p;
const char *host, *user, *pass, *domain, *remote_share, *sharename;
struct share_config *scfg = ntvfs->ctx->config;
struct smb2_tree *tree;
struct cli_credentials *credentials;
bool machine_account;
struct smbcli_options options;
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 *str = strchr(sharename+2, '\\');
if (str) {
sharename = str + 1;
}
}
/* Here we need to determine which server to connect to.
* For now we use parametric options, type cifs.
* Later we will use security=server and auth_server.c.
*/
host = share_string_option(scfg, SMB2_SERVER, NULL);
user = share_string_option(scfg, SMB2_USER, NULL);
pass = share_string_option(scfg, SMB2_PASSWORD, NULL);
domain = share_string_option(scfg, SMB2_DOMAIN, NULL);
remote_share = share_string_option(scfg, SMB2_SHARE, NULL);
if (!remote_share) {
remote_share = sharename;
}
machine_account = share_bool_option(scfg, SMB2_USE_MACHINE_ACCT, SMB2_USE_MACHINE_ACCT_DEFAULT);
p = talloc_zero(ntvfs, struct cvfs_private);
if (!p) {
return NT_STATUS_NO_MEMORY;
}
ntvfs->private_data = p;
if (!host) {
DEBUG(1,("CIFS backend: You must supply server\n"));
return NT_STATUS_INVALID_PARAMETER;
}
if (user && pass) {
DEBUG(5, ("CIFS backend: Using specified password\n"));
credentials = cli_credentials_init(p);
if (!credentials) {
return NT_STATUS_NO_MEMORY;
}
cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
cli_credentials_set_username(credentials, user, CRED_SPECIFIED);
if (domain) {
cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
}
cli_credentials_set_password(credentials, pass, CRED_SPECIFIED);
} else if (machine_account) {
DEBUG(5, ("CIFS backend: Using machine account\n"));
credentials = cli_credentials_init(p);
cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
if (domain) {
cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
}
status = cli_credentials_set_machine_account(credentials, ntvfs->ctx->lp_ctx);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
} else if (req->session_info->credentials) {
DEBUG(5, ("CIFS backend: Using delegated credentials\n"));
credentials = req->session_info->credentials;
} else {
DEBUG(1,("CIFS backend: NO delegated credentials found: You must supply server, user and password or the client must supply delegated credentials\n"));
return NT_STATUS_INVALID_PARAMETER;
}
lpcfg_smbcli_options(ntvfs->ctx->lp_ctx, &options);
status = smb2_connect(p, host,
lpcfg_parm_string_list(p, ntvfs->ctx->lp_ctx, NULL, "smb2", "ports", NULL),
remote_share,
lpcfg_resolve_context(ntvfs->ctx->lp_ctx),
credentials,
&tree,
ntvfs->ctx->event_ctx, &options,
lpcfg_socket_options(ntvfs->ctx->lp_ctx),
lpcfg_gensec_settings(p, ntvfs->ctx->lp_ctx));
NT_STATUS_NOT_OK_RETURN(status);
status = smb2_get_roothandle(tree, &p->roothandle);
NT_STATUS_NOT_OK_RETURN(status);
p->tree = tree;
p->transport = p->tree->session->transport;
p->ntvfs = ntvfs;
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;
}
/* we need to receive oplock break requests from the server */
/* TODO: enable oplocks
smbcli_oplock_handler(p->transport, oplock_handler, p);
*/
return NT_STATUS_OK;
}
/*
disconnect from a share
*/
static NTSTATUS cvfs_disconnect(struct ntvfs_module_context *ntvfs)
{
struct cvfs_private *p = ntvfs->private_data;
struct async_info *a, *an;
/* first cleanup pending requests */
for (a=p->pending; a; a = an) {
an = a->next;
talloc_free(a->c_req);
talloc_free(a);
}
talloc_free(p);
ntvfs->private_data = NULL;
return NT_STATUS_OK;
}
/*
destroy an async info structure
*/
static int async_info_destructor(struct async_info *async)
{
DLIST_REMOVE(async->cvfs->pending, async);
return 0;
}
/*
a handler for simple async SMB2 replies
this handler can only be used for functions that don't return any
parameters (those that just return a status code)
*/
static void async_simple_smb2(struct smb2_request *c_req)
{
struct async_info *async = c_req->async.private_data;
struct ntvfs_request *req = async->req;
smb2_request_receive(c_req);
req->async_states->status = smb2_request_destroy(c_req);
talloc_free(async);
req->async_states->send_fn(req);
}
/*
a handler for simple async composite replies
this handler can only be used for functions that don't return any
parameters (those that just return a status code)
*/
static void async_simple_composite(struct composite_context *c_req)
{
struct async_info *async = c_req->async.private_data;
struct ntvfs_request *req = async->req;
req->async_states->status = composite_wait_free(c_req);
talloc_free(async);
req->async_states->send_fn(req);
}
/* save some typing for the simple functions */
#define ASYNC_RECV_TAIL_F(io, async_fn, file) do { \
if (!c_req) return NT_STATUS_UNSUCCESSFUL; \
{ \
struct async_info *async; \
async = talloc(req, struct async_info); \
if (!async) return NT_STATUS_NO_MEMORY; \
async->parms = io; \
async->req = req; \
async->f = file; \
async->cvfs = p; \
async->c_req = c_req; \
DLIST_ADD(p->pending, async); \
c_req->async.private_data = async; \
talloc_set_destructor(async, async_info_destructor); \
} \
c_req->async.fn = async_fn; \
req->async_states->state |= NTVFS_ASYNC_STATE_ASYNC; \
return NT_STATUS_OK; \
} while (0)
#define ASYNC_RECV_TAIL(io, async_fn) ASYNC_RECV_TAIL_F(io, async_fn, NULL)
#define SIMPLE_ASYNC_TAIL ASYNC_RECV_TAIL(NULL, async_simple_smb2)
#define SIMPLE_COMPOSITE_TAIL ASYNC_RECV_TAIL(NULL, async_simple_composite)
#define CHECK_ASYNC(req) do { \
if (!(req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) { \
DEBUG(0,("SMB2 proxy backend does not support sync operation at %s\n", \
__location__)); \
return NT_STATUS_NOT_IMPLEMENTED; \
}} while (0)
/*
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)
BUGS:
- doesn't handle wildcards
- doesn't obey attrib restrictions
*/
static NTSTATUS cvfs_unlink(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_unlink *unl)
{
struct cvfs_private *p = ntvfs->private_data;
struct composite_context *c_req;
CHECK_ASYNC(req);
c_req = smb2_composite_unlink_send(p->tree, unl);
SIMPLE_COMPOSITE_TAIL;
}
/*
ioctl interface
*/
static NTSTATUS cvfs_ioctl(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_ioctl *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
check if a directory exists
*/
static NTSTATUS cvfs_chkpath(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_chkpath *cp)
{
struct cvfs_private *p = ntvfs->private_data;
struct smb2_request *c_req;
struct smb2_find f;
CHECK_ASYNC(req);
/* SMB2 doesn't have a chkpath operation, and also doesn't
have a query path info call, so the best seems to be to do a
find call, using the roothandle we established at connect
time */
ZERO_STRUCT(f);
f.in.file.handle = p->roothandle;
f.in.level = SMB2_FIND_DIRECTORY_INFO;
f.in.pattern = cp->chkpath.in.path;
/* SMB2 find doesn't accept \ or the empty string - this is the best
approximation */
if (strcmp(f.in.pattern, "\\") == 0 ||
strcmp(f.in.pattern, "") == 0) {
f.in.pattern = "?";
}
f.in.continue_flags = SMB2_CONTINUE_FLAG_SINGLE | SMB2_CONTINUE_FLAG_RESTART;
f.in.max_response_size = 0x1000;
c_req = smb2_find_send(p->tree, &f);
SIMPLE_ASYNC_TAIL;
}
/*
return info on a pathname
*/
static NTSTATUS cvfs_qpathinfo(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_fileinfo *info)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
query info on a open file
*/
static NTSTATUS cvfs_qfileinfo(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_fileinfo *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
set info on a pathname
*/
static NTSTATUS cvfs_setpathinfo(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_setfileinfo *st)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
open a file
*/
static NTSTATUS cvfs_open(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_open *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
create a directory
*/
static NTSTATUS cvfs_mkdir(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_mkdir *md)
{
struct cvfs_private *p = ntvfs->private_data;
struct composite_context *c_req;
CHECK_ASYNC(req);
c_req = smb2_composite_mkdir_send(p->tree, md);
SIMPLE_COMPOSITE_TAIL;
}
/*
remove a directory
*/
static NTSTATUS cvfs_rmdir(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, struct smb_rmdir *rd)
{
struct cvfs_private *p = ntvfs->private_data;
struct composite_context *c_req;
CHECK_ASYNC(req);
c_req = smb2_composite_rmdir_send(p->tree, rd);
SIMPLE_COMPOSITE_TAIL;
}
/*
rename a set of files
*/
static NTSTATUS cvfs_rename(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_rename *ren)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
copy a set of files
*/
static NTSTATUS cvfs_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 cvfs_read(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_read *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
write to a file
*/
static NTSTATUS cvfs_write(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_write *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
seek in a file
*/
static NTSTATUS cvfs_seek(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_seek *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
flush a file
*/
static NTSTATUS cvfs_flush(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_flush *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
close a file
*/
static NTSTATUS cvfs_close(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_close *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
exit - closing files open by the pid
*/
static NTSTATUS cvfs_exit(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
logoff - closing files open by the user
*/
static NTSTATUS cvfs_logoff(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req)
{
/* we can't do this right in the cifs backend .... */
return NT_STATUS_OK;
}
/*
setup for an async call - nothing to do yet
*/
static NTSTATUS cvfs_async_setup(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
void *private_data)
{
return NT_STATUS_OK;
}
/*
cancel an async call
*/
static NTSTATUS cvfs_cancel(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
lock a byte range
*/
static NTSTATUS cvfs_lock(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_lock *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
set info on a open file
*/
static NTSTATUS cvfs_setfileinfo(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_setfileinfo *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
a handler for async fsinfo replies
*/
static void async_fsinfo(struct smb2_request *c_req)
{
struct async_info *async = c_req->async.private_data;
struct ntvfs_request *req = async->req;
req->async_states->status = smb2_getinfo_fs_recv(c_req, req, async->parms);
talloc_free(async);
req->async_states->send_fn(req);
}
/*
return filesystem space info
*/
static NTSTATUS cvfs_fsinfo(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_fsinfo *fs)
{
struct cvfs_private *p = ntvfs->private_data;
struct smb2_request *c_req;
enum smb_fsinfo_level level = fs->generic.level;
CHECK_ASYNC(req);
switch (level) {
/* some levels go straight through */
case RAW_QFS_VOLUME_INFORMATION:
case RAW_QFS_SIZE_INFORMATION:
case RAW_QFS_DEVICE_INFORMATION:
case RAW_QFS_ATTRIBUTE_INFORMATION:
case RAW_QFS_QUOTA_INFORMATION:
case RAW_QFS_FULL_SIZE_INFORMATION:
case RAW_QFS_OBJECTID_INFORMATION:
break;
/* some get mapped */
case RAW_QFS_VOLUME_INFO:
level = RAW_QFS_VOLUME_INFORMATION;
break;
case RAW_QFS_SIZE_INFO:
level = RAW_QFS_SIZE_INFORMATION;
break;
case RAW_QFS_DEVICE_INFO:
level = RAW_QFS_DEVICE_INFORMATION;
break;
case RAW_QFS_ATTRIBUTE_INFO:
level = RAW_QFS_ATTRIBUTE_INFO;
break;
default:
/* the rest get refused for now */
DEBUG(0,("fsinfo level %u not possible on SMB2\n",
(unsigned)fs->generic.level));
break;
}
fs->generic.level = level;
fs->generic.handle = p->roothandle;
c_req = smb2_getinfo_fs_send(p->tree, fs);
ASYNC_RECV_TAIL(fs, async_fsinfo);
}
/*
return print queue info
*/
static NTSTATUS cvfs_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 cvfs_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 cvfs_private *p = ntvfs->private_data;
struct smb2_find f;
enum smb_search_data_level smb2_level;
unsigned int count, i;
union smb_search_data *data;
NTSTATUS status;
if (io->generic.level != RAW_SEARCH_TRANS2) {
DEBUG(0,("We only support trans2 search in smb2 backend\n"));
return NT_STATUS_NOT_SUPPORTED;
}
switch (io->generic.data_level) {
case RAW_SEARCH_DATA_DIRECTORY_INFO:
smb2_level = SMB2_FIND_DIRECTORY_INFO;
break;
case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
smb2_level = SMB2_FIND_FULL_DIRECTORY_INFO;
break;
case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
smb2_level = SMB2_FIND_BOTH_DIRECTORY_INFO;
break;
case RAW_SEARCH_DATA_NAME_INFO:
smb2_level = SMB2_FIND_NAME_INFO;
break;
case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
smb2_level = SMB2_FIND_ID_FULL_DIRECTORY_INFO;
break;
case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
smb2_level = SMB2_FIND_ID_BOTH_DIRECTORY_INFO;
break;
default:
DEBUG(0,("Unsupported search level %u for smb2 backend\n",
(unsigned)io->generic.data_level));
return NT_STATUS_INVALID_INFO_CLASS;
}
/* we do the search on the roothandle. This only works because
search is synchronous, otherwise we'd have no way to
distinguish multiple searches happening at once
*/
ZERO_STRUCT(f);
f.in.file.handle = p->roothandle;
f.in.level = smb2_level;
f.in.pattern = io->t2ffirst.in.pattern;
while (f.in.pattern[0] == '\\') {
f.in.pattern++;
}
f.in.continue_flags = 0;
f.in.max_response_size = 0x10000;
status = smb2_find_level(p->tree, req, &f, &count, &data);
NT_STATUS_NOT_OK_RETURN(status);
for (i=0;i<count;i++) {
if (!callback(search_private, &data[i])) break;
}
io->t2ffirst.out.handle = 0;
io->t2ffirst.out.count = i;
/* TODO: fix end_of_file */
io->t2ffirst.out.end_of_search = 1;
talloc_free(data);
return NT_STATUS_OK;
}
/* continue a search */
static NTSTATUS cvfs_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 *))
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/* close a search */
static NTSTATUS cvfs_search_close(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req, union smb_search_close *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/* SMBtrans - not used on file shares */
static NTSTATUS cvfs_trans(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
struct smb_trans2 *trans2)
{
return NT_STATUS_ACCESS_DENIED;
}
/* change notify request - always async */
static NTSTATUS cvfs_notify(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_notify *io)
{
return NT_STATUS_NOT_IMPLEMENTED;
}
/*
initialise the CIFS->CIFS backend, registering ourselves with the ntvfs subsystem
*/
NTSTATUS ntvfs_smb2_init(void)
{
NTSTATUS ret;
struct ntvfs_ops ops;
NTVFS_CURRENT_CRITICAL_SIZES(vers);
ZERO_STRUCT(ops);
/* fill in the name and type */
ops.name = "smb2";
ops.type = NTVFS_DISK;
/* fill in all the operations */
ops.connect = cvfs_connect;
ops.disconnect = cvfs_disconnect;
ops.unlink = cvfs_unlink;
ops.chkpath = cvfs_chkpath;
ops.qpathinfo = cvfs_qpathinfo;
ops.setpathinfo = cvfs_setpathinfo;
ops.open = cvfs_open;
ops.mkdir = cvfs_mkdir;
ops.rmdir = cvfs_rmdir;
ops.rename = cvfs_rename;
ops.copy = cvfs_copy;
ops.ioctl = cvfs_ioctl;
ops.read = cvfs_read;
ops.write = cvfs_write;
ops.seek = cvfs_seek;
ops.flush = cvfs_flush;
ops.close = cvfs_close;
ops.exit = cvfs_exit;
ops.lock = cvfs_lock;
ops.setfileinfo = cvfs_setfileinfo;
ops.qfileinfo = cvfs_qfileinfo;
ops.fsinfo = cvfs_fsinfo;
ops.lpq = cvfs_lpq;
ops.search_first = cvfs_search_first;
ops.search_next = cvfs_search_next;
ops.search_close = cvfs_search_close;
ops.trans = cvfs_trans;
ops.logoff = cvfs_logoff;
ops.async_setup = cvfs_async_setup;
ops.cancel = cvfs_cancel;
ops.notify = cvfs_notify;
/* register ourselves with the NTVFS subsystem. We register
under the name 'smb2'. */
ret = ntvfs_register(&ops, &vers);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(0,("Failed to register SMB2 backend\n"));
}
return ret;
}