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s3:libsmb: add smb2cli_query_info*

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metze
This commit is contained in:
Stefan Metzmacher 2012-05-03 09:10:53 +02:00
parent 3709bf6b01
commit db39372a11
4 changed files with 288 additions and 0 deletions
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1
source3/Makefile.in
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@ -628,6 +628,7 @@ LIBSMB_OBJ = libsmb/clientgen.o libsmb/cliconnect.o libsmb/clifile.o \
libsmb/smb2cli_write.o \
libsmb/smb2cli_query_directory.o \
libsmb/smb2cli_ioctl.o \
libsmb/smb2cli_query_info.o \
libsmb/cli_np_tstream.o \
libsmb/smbsock_connect.o \
$(LIBSAMBA_OBJ) \

32
source3/libsmb/smb2cli.h
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@ -188,4 +188,36 @@ NTSTATUS smb2cli_ioctl(struct cli_state *cli,
DATA_BLOB *out_input_buffer,
DATA_BLOB *out_output_buffer);
struct tevent_req *smb2cli_query_info_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbXcli_conn *conn,
uint32_t timeout_msec,
struct smbXcli_session *session,
uint32_t tcon_id,
uint8_t in_info_type,
uint8_t in_file_info_class,
uint32_t in_max_output_length,
const DATA_BLOB *in_input_buffer,
uint32_t in_additional_info,
uint32_t in_flags,
uint64_t in_fid_persistent,
uint64_t in_fid_volatile);
NTSTATUS smb2cli_query_info_recv(struct tevent_req *req,
TALLOC_CTX *mem_ctx,
DATA_BLOB *out_output_buffer);
NTSTATUS smb2cli_query_info(struct smbXcli_conn *conn,
uint32_t timeout_msec,
struct smbXcli_session *session,
uint32_t tcon_id,
uint8_t in_info_type,
uint8_t in_file_info_class,
uint32_t in_max_output_length,
const DATA_BLOB *in_input_buffer,
uint32_t in_additional_info,
uint32_t in_flags,
uint64_t in_fid_persistent,
uint64_t in_fid_volatile,
TALLOC_CTX *mem_ctx,
DATA_BLOB *out_output_buffer);
#endif /* __SMB2CLI_H__ */

254
source3/libsmb/smb2cli_query_info.c Normal file
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@ -0,0 +1,254 @@
/*
Unix SMB/CIFS implementation.
smb2 lib
Copyright (C) Stefan Metzmacher 2012
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/>.
*/
#include "includes.h"
#include "client.h"
#include "async_smb.h"
#include "../libcli/smb/smbXcli_base.h"
#include "smb2cli.h"
#include "libsmb/proto.h"
#include "lib/util/tevent_ntstatus.h"
#include "../librpc/ndr/libndr.h"
struct smb2cli_query_info_state {
uint8_t fixed[0x28];
uint8_t dyn_pad[1];
uint32_t max_output_length;
struct iovec *recv_iov;
DATA_BLOB out_output_buffer;
};
static void smb2cli_query_info_done(struct tevent_req *subreq);
struct tevent_req *smb2cli_query_info_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbXcli_conn *conn,
uint32_t timeout_msec,
struct smbXcli_session *session,
uint32_t tcon_id,
uint8_t in_info_type,
uint8_t in_file_info_class,
uint32_t in_max_output_length,
const DATA_BLOB *in_input_buffer,
uint32_t in_additional_info,
uint32_t in_flags,
uint64_t in_fid_persistent,
uint64_t in_fid_volatile)
{
struct tevent_req *req, *subreq;
struct smb2cli_query_info_state *state;
uint8_t *fixed;
uint8_t *dyn;
size_t dyn_len;
uint16_t input_buffer_offset = 0;
uint32_t input_buffer_length = 0;
req = tevent_req_create(mem_ctx, &state,
struct smb2cli_query_info_state);
if (req == NULL) {
return NULL;
}
state->max_output_length = in_max_output_length;
if (in_input_buffer) {
input_buffer_offset = SMB2_HDR_BODY+0x28;
input_buffer_length = in_input_buffer->length;
}
fixed = state->fixed;
SSVAL(fixed, 0x00, 0x29);
SCVAL(fixed, 0x02, in_info_type);
SCVAL(fixed, 0x03, in_file_info_class); /* reserved */
SIVAL(fixed, 0x04, in_max_output_length);
SSVAL(fixed, 0x08, input_buffer_offset);
SSVAL(fixed, 0x0A, 0); /* reserved */
SIVAL(fixed, 0x0C, input_buffer_length);
SIVAL(fixed, 0x10, in_additional_info);
SIVAL(fixed, 0x14, in_flags);
SBVAL(fixed, 0x18, in_fid_persistent);
SBVAL(fixed, 0x20, in_fid_volatile);
if (input_buffer_length > 0) {
dyn = in_input_buffer->data;
dyn_len = in_input_buffer->length;
} else {
dyn = state->dyn_pad;
dyn_len = sizeof(state->dyn_pad);
}
subreq = smb2cli_req_send(state, ev, conn, SMB2_OP_GETINFO,
0, 0, /* flags */
timeout_msec,
0xFEFF, /* pid */
tcon_id,
session,
state->fixed, sizeof(state->fixed),
dyn, dyn_len);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, smb2cli_query_info_done, req);
return req;
}
static void smb2cli_query_info_done(struct tevent_req *subreq)
{
struct tevent_req *req =
tevent_req_callback_data(subreq,
struct tevent_req);
struct smb2cli_query_info_state *state =
tevent_req_data(req,
struct smb2cli_query_info_state);
NTSTATUS status;
struct iovec *iov;
uint8_t *fixed;
uint8_t *dyn;
size_t dyn_len;
uint32_t dyn_ofs = SMB2_HDR_BODY + 0x08;
uint32_t output_buffer_offset;
uint32_t output_buffer_length;
static const struct smb2cli_req_expected_response expected[] = {
{
.status = NT_STATUS_OK,
.body_size = 0x09
},
{
.status = STATUS_BUFFER_OVERFLOW,
.body_size = 0x09
}
};
status = smb2cli_req_recv(subreq, state, &iov,
expected, ARRAY_SIZE(expected));
if (tevent_req_nterror(req, status)) {
return;
}
state->recv_iov = iov;
fixed = (uint8_t *)iov[1].iov_base;
dyn = (uint8_t *)iov[2].iov_base;
dyn_len = iov[2].iov_len;
output_buffer_offset = SVAL(fixed, 0x02);
output_buffer_length = IVAL(fixed, 0x04);
if ((output_buffer_offset > 0) && (output_buffer_length > 0)) {
if (output_buffer_offset != dyn_ofs) {
tevent_req_nterror(
req, NT_STATUS_INVALID_NETWORK_RESPONSE);
return;
}
if (output_buffer_length < dyn_len) {
tevent_req_nterror(
req, NT_STATUS_INVALID_NETWORK_RESPONSE);
return;
}
if (output_buffer_length > state->max_output_length) {
tevent_req_nterror(
req, NT_STATUS_INVALID_NETWORK_RESPONSE);
return;
}
state->out_output_buffer.data = dyn;
state->out_output_buffer.length = output_buffer_length;
}
tevent_req_done(req);
}
NTSTATUS smb2cli_query_info_recv(struct tevent_req *req,
TALLOC_CTX *mem_ctx,
DATA_BLOB *out_output_buffer)
{
struct smb2cli_query_info_state *state =
tevent_req_data(req,
struct smb2cli_query_info_state);
NTSTATUS status;
if (tevent_req_is_nterror(req, &status)) {
tevent_req_received(req);
return status;
}
talloc_steal(mem_ctx, state->recv_iov);
if (out_output_buffer) {
*out_output_buffer = state->out_output_buffer;
}
tevent_req_received(req);
return NT_STATUS_OK;
}
NTSTATUS smb2cli_query_info(struct smbXcli_conn *conn,
uint32_t timeout_msec,
struct smbXcli_session *session,
uint32_t tcon_id,
uint8_t in_info_type,
uint8_t in_file_info_class,
uint32_t in_max_output_length,
const DATA_BLOB *in_input_buffer,
uint32_t in_additional_info,
uint32_t in_flags,
uint64_t in_fid_persistent,
uint64_t in_fid_volatile,
TALLOC_CTX *mem_ctx,
DATA_BLOB *out_output_buffer)
{
TALLOC_CTX *frame = talloc_stackframe();
struct tevent_context *ev;
struct tevent_req *req;
NTSTATUS status = NT_STATUS_NO_MEMORY;
if (smbXcli_conn_has_async_calls(conn)) {
/*
* Can't use sync call while an async call is in flight
*/
status = NT_STATUS_INVALID_PARAMETER_MIX;
goto fail;
}
ev = tevent_context_init(frame);
if (ev == NULL) {
goto fail;
}
req = smb2cli_query_info_send(frame, ev,
conn, timeout_msec,
session, tcon_id,
in_info_type,
in_file_info_class,
in_max_output_length,
in_input_buffer,
in_additional_info,
in_flags,
in_fid_persistent,
in_fid_volatile);
if (req == NULL) {
goto fail;
}
if (!tevent_req_poll_ntstatus(req, ev, &status)) {
goto fail;
}
status = smb2cli_query_info_recv(req, mem_ctx,
out_output_buffer);
fail:
TALLOC_FREE(frame);
return status;
}

1
source3/wscript_build
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@ -139,6 +139,7 @@ LIBSMB_SRC = '''libsmb/clientgen.c libsmb/cliconnect.c libsmb/clifile.c
libsmb/smb2cli_write.c
libsmb/smb2cli_query_directory.c
libsmb/smb2cli_ioctl.c
libsmb/smb2cli_query_info.c
libsmb/cli_np_tstream.c
libsmb/reparse_symlink.c
libsmb/clisymlink.c