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/*
Unix SMB/CIFS implementation.
SMB2 client getinfo calls
Copyright (C) Andrew Tridgell 2005
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.
*/
#include "includes.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
/*
send a getinfo request
*/
struct smb2_request *smb2_getinfo_send(struct smb2_tree *tree, struct smb2_getinfo *io)
{
struct smb2_request *req;
req = smb2_request_init_tree(tree, SMB2_OP_GETINFO, 0x28, 0);
if (req == NULL) return NULL;
/* this seems to be a bug, they use 0x29 but only send 0x28 bytes */
SSVAL(req->out.body, 0x00, 0x29);
SSVAL(req->out.body, 0x02, io->in.level);
SIVAL(req->out.body, 0x04, io->in.max_response_size);
SIVAL(req->out.body, 0x08, io->in.unknown1);
SIVAL(req->out.body, 0x0C, io->in.flags);
SIVAL(req->out.body, 0x10, io->in.unknown3);
SIVAL(req->out.body, 0x14, io->in.unknown4);
smb2_push_handle(req->out.body+0x18, &io->in.handle);
smb2_transport_send(req);
return req;
}
/*
recv a getinfo reply
*/
NTSTATUS smb2_getinfo_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
struct smb2_getinfo *io)
{
NTSTATUS status;
if (!smb2_request_receive(req) ||
smb2_request_is_error(req)) {
return smb2_request_destroy(req);
}
SMB2_CHECK_PACKET_RECV(req, 0x08, True);
status = smb2_pull_o16s16_blob(&req->in, mem_ctx, req->in.body+0x02, &io->out.blob);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return smb2_request_destroy(req);
}
/*
sync getinfo request
*/
NTSTATUS smb2_getinfo(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
struct smb2_getinfo *io)
{
struct smb2_request *req = smb2_getinfo_send(tree, io);
return smb2_getinfo_recv(req, mem_ctx, io);
}
/*
parse a returned getinfo data blob
*/
NTSTATUS smb2_getinfo_parse(TALLOC_CTX *mem_ctx,
uint16_t level,
DATA_BLOB blob,
union smb2_fileinfo *io)
{
switch (level) {
case SMB2_GETINFO_FILE_BASIC_INFO:
if (blob.length != 0x28) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->basic_info.create_time = smbcli_pull_nttime(blob.data, 0x00);
io->basic_info.access_time = smbcli_pull_nttime(blob.data, 0x08);
io->basic_info.write_time = smbcli_pull_nttime(blob.data, 0x10);
io->basic_info.change_time = smbcli_pull_nttime(blob.data, 0x18);
io->basic_info.file_attr = IVAL(blob.data, 0x20);
io->basic_info.unknown = IVAL(blob.data, 0x24);
break;
case SMB2_GETINFO_FILE_SIZE_INFO:
if (blob.length != 0x18) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->size_info.alloc_size = BVAL(blob.data, 0x00);
io->size_info.size = BVAL(blob.data, 0x08);
io->size_info.nlink = IVAL(blob.data, 0x10);
io->size_info.delete_pending = CVAL(blob.data, 0x14);
io->size_info.directory = CVAL(blob.data, 0x15);
break;
case SMB2_GETINFO_FILE_ID:
if (blob.length != 0x8) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->file_id.file_id = BVAL(blob.data, 0x00);
break;
case SMB2_GETINFO_FILE_EA_SIZE:
if (blob.length != 0x4) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->ea_size.ea_size = IVAL(blob.data, 0x00);
break;
case SMB2_GETINFO_FILE_ACCESS_INFO:
if (blob.length != 0x4) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->access_info.access_mask = IVAL(blob.data, 0x00);
break;
case SMB2_GETINFO_FILE_0E:
if (blob.length != 0x8) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->unknown0e.unknown1 = IVAL(blob.data, 0x00);
io->unknown0e.unknown2 = IVAL(blob.data, 0x04);
break;
case SMB2_GETINFO_FILE_ALL_EAS:
return ea_pull_list_chained(&blob, mem_ctx,
&io->all_eas.num_eas,
&io->all_eas.eas);
case SMB2_GETINFO_FILE_10:
if (blob.length != 0x4) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->unknown10.unknown = IVAL(blob.data, 0x00);
break;
case SMB2_GETINFO_FILE_11:
if (blob.length != 0x4) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->unknown11.unknown = IVAL(blob.data, 0x00);
break;
case SMB2_GETINFO_FILE_ALL_INFO: {
uint32_t nlen;
ssize_t size;
void *vstr;
if (blob.length < 0x64) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->all_info.create_time = smbcli_pull_nttime(blob.data, 0x00);
io->all_info.access_time = smbcli_pull_nttime(blob.data, 0x08);
io->all_info.write_time = smbcli_pull_nttime(blob.data, 0x10);
io->all_info.change_time = smbcli_pull_nttime(blob.data, 0x18);
io->all_info.file_attr = IVAL(blob.data, 0x20);
io->all_info.alloc_size = BVAL(blob.data, 0x28);
io->all_info.size = BVAL(blob.data, 0x30);
io->all_info.nlink = IVAL(blob.data, 0x38);
io->all_info.delete_pending = CVAL(blob.data, 0x3C);
io->all_info.directory = CVAL(blob.data, 0x3D);
io->all_info.file_id = BVAL(blob.data, 0x40);
io->all_info.ea_size = IVAL(blob.data, 0x48);
io->all_info.access_mask = IVAL(blob.data, 0x4C);
io->all_info.unknown5 = BVAL(blob.data, 0x50);
io->all_info.unknown6 = BVAL(blob.data, 0x58);
nlen = IVAL(blob.data, 0x60);
if (nlen > blob.length - 0x64) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
size = convert_string_talloc(mem_ctx, CH_UTF16, CH_UNIX,
blob.data+0x64, nlen, &vstr);
if (size == -1) {
return NT_STATUS_ILLEGAL_CHARACTER;
}
io->all_info.fname = vstr;
break;
}
case SMB2_GETINFO_FILE_SHORT_INFO: {
uint32_t nlen;
ssize_t size;
void *vstr;
if (blob.length < 0x04) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
nlen = IVAL(blob.data, 0x00);
if (nlen > blob.length - 0x04) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
size = convert_string_talloc(mem_ctx, CH_UTF16, CH_UNIX,
blob.data+0x04, nlen, &vstr);
if (size == -1) {
return NT_STATUS_ILLEGAL_CHARACTER;
}
io->short_info.short_name = vstr;
break;
}
case SMB2_GETINFO_FILE_STREAM_INFO:
return smbcli_parse_stream_info(blob, mem_ctx, &io->stream_info);
case SMB2_GETINFO_FILE_EOF_INFO:
if (blob.length != 0x10) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->eof_info.size = BVAL(blob.data, 0x00);
io->eof_info.unknown = BVAL(blob.data, 0x08);
break;
case SMB2_GETINFO_FILE_STANDARD_INFO:
if (blob.length != 0x38) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->standard_info.create_time = smbcli_pull_nttime(blob.data, 0x00);
io->standard_info.access_time = smbcli_pull_nttime(blob.data, 0x08);
io->standard_info.write_time = smbcli_pull_nttime(blob.data, 0x10);
io->standard_info.change_time = smbcli_pull_nttime(blob.data, 0x18);
io->standard_info.alloc_size = BVAL(blob.data, 0x20);
io->standard_info.size = BVAL(blob.data, 0x28);
io->standard_info.file_attr = IVAL(blob.data, 0x30);
io->standard_info.unknown = IVAL(blob.data, 0x34);
break;
case SMB2_GETINFO_FILE_ATTRIB_INFO:
if (blob.length != 0x08) {
return NT_STATUS_INFO_LENGTH_MISMATCH;
}
io->attrib_info.file_attr = IVAL(blob.data, 0x00);
io->attrib_info.unknown = IVAL(blob.data, 0x04);
break;
case SMB2_GETINFO_SECURITY: {
struct ndr_pull *ndr;
NTSTATUS status;
ndr = ndr_pull_init_blob(&blob, mem_ctx);
if (!ndr) {
return NT_STATUS_NO_MEMORY;
}
io->security.sd = talloc(mem_ctx, struct security_descriptor);
if (io->security.sd == NULL) {
return NT_STATUS_NO_MEMORY;
}
status = ndr_pull_security_descriptor(ndr, NDR_SCALARS|NDR_BUFFERS, io->security.sd);
talloc_free(ndr);
return status;
}
default:
return NT_STATUS_INVALID_INFO_CLASS;
}
return NT_STATUS_OK;
}
/*
recv a getinfo reply and parse the level info
*/
NTSTATUS smb2_getinfo_level_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
uint16_t level, union smb2_fileinfo *io)
{
struct smb2_getinfo b;
NTSTATUS status;
status = smb2_getinfo_recv(req, mem_ctx, &b);
NT_STATUS_NOT_OK_RETURN(status);
status = smb2_getinfo_parse(mem_ctx, level, b.out.blob, io);
data_blob_free(&b.out.blob);
return status;
}
/*
level specific getinfo call
*/
NTSTATUS smb2_getinfo_level(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
struct smb2_handle handle,
uint16_t level, union smb2_fileinfo *io)
{
struct smb2_getinfo b;
struct smb2_request *req;
ZERO_STRUCT(b);
b.in.max_response_size = 0x10000;
b.in.handle = handle;
b.in.level = level;
req = smb2_getinfo_send(tree, &b);
return smb2_getinfo_level_recv(req, mem_ctx, level, io);
}
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