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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.unknown2);
SIVAL(req->out.body, 0x10, io->in.flags);
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);
}
/*
recv a getinfo reply and parse the level info
*/
NTSTATUS smb2_getinfo_file_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
union smb_fileinfo *io)
{
struct smb2_getinfo b;
NTSTATUS status;
status = smb2_getinfo_recv(req, mem_ctx, &b);
NT_STATUS_NOT_OK_RETURN(status);
status = smb_raw_fileinfo_passthru_parse(&b.out.blob, mem_ctx, io->generic.level, io);
data_blob_free(&b.out.blob);
return status;
}
/*
level specific getinfo call
*/
NTSTATUS smb2_getinfo_file(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
union smb_fileinfo *io)
{
struct smb2_getinfo b;
struct smb2_request *req;
uint16_t smb2_level;
if (io->generic.level == RAW_FILEINFO_SEC_DESC) {
smb2_level = SMB2_GETINFO_SECURITY;
} else if ((io->generic.level & 0xFF) == SMB2_GETINFO_FILE) {
smb2_level = io->generic.level;
} else if (io->generic.level > 1000) {
smb2_level = ((io->generic.level-1000)<<8) | SMB2_GETINFO_FILE;
} else {
/* SMB2 only does the passthru levels */
return NT_STATUS_INVALID_LEVEL;
}
ZERO_STRUCT(b);
b.in.max_response_size = 0x10000;
b.in.handle = io->generic.in.handle;
b.in.level = smb2_level;
if (io->generic.level == RAW_FILEINFO_SEC_DESC) {
b.in.flags = io->query_secdesc.secinfo_flags;
}
req = smb2_getinfo_send(tree, &b);
return smb2_getinfo_file_recv(req, mem_ctx, io);
}
/*
recv a getinfo reply and parse the level info
*/
NTSTATUS smb2_getinfo_fs_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
union smb_fsinfo *io)
{
struct smb2_getinfo b;
NTSTATUS status;
status = smb2_getinfo_recv(req, mem_ctx, &b);
NT_STATUS_NOT_OK_RETURN(status);
status = smb_raw_fsinfo_passthru_parse(b.out.blob, mem_ctx, io->generic.level, io);
data_blob_free(&b.out.blob);
return status;
}
/*
level specific getinfo call
*/
NTSTATUS smb2_getinfo_fs(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
union smb_fsinfo *io)
{
struct smb2_getinfo b;
struct smb2_request *req;
uint16_t smb2_level;
if ((io->generic.level & 0xFF) == SMB2_GETINFO_FS) {
smb2_level = io->generic.level;
} else if (io->generic.level > 1000) {
smb2_level = ((io->generic.level-1000)<<8) | SMB2_GETINFO_FS;
} else {
/* SMB2 only does the passthru levels */
return NT_STATUS_INVALID_LEVEL;
}
ZERO_STRUCT(b);
b.in.max_response_size = 0x10000;
b.in.handle = io->generic.handle;
b.in.level = smb2_level;
req = smb2_getinfo_send(tree, &b);
return smb2_getinfo_fs_recv(req, mem_ctx, io);
}
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