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/*
Unix SMB/CIFS implementation.
basic raw test suite for oplocks
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 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 "librpc/gen_ndr/ndr_security.h"
#define CHECK_VAL(v, correct) do { \
if ((v) != (correct)) { \
printf("(%d) wrong value for %s got 0x%x - should be 0x%x\n", \
__LINE__, #v, (int)v, (int)correct); \
ret = False; \
}} while (0)
#define CHECK_STATUS(status, correct) do { \
if (!NT_STATUS_EQUAL(status, correct)) { \
printf("(%d) Incorrect status %s - should be %s\n", \
__LINE__, nt_errstr(status), nt_errstr(correct)); \
ret = False; \
goto done; \
}} while (0)
static struct {
int fnum;
uint8_t level;
int count;
} break_info;
/*
a handler function for oplock break requests
*/
static BOOL oplock_handler_ack(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *private)
{
struct smbcli_tree *tree = private;
break_info.fnum = fnum;
break_info.level = level;
break_info.count++;
printf("Acking in oplock handler\n");
return smbcli_oplock_ack(tree, fnum, level);
}
/*
a handler function for oplock break requests - close the file
*/
static BOOL oplock_handler_close(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *private)
{
union smb_close io;
NTSTATUS status;
struct smbcli_tree *tree = private;
break_info.fnum = fnum;
break_info.level = level;
break_info.count++;
io.close.level = RAW_CLOSE_CLOSE;
io.close.in.fnum = fnum;
io.close.in.write_time = 0;
status = smb_raw_close(tree, &io);
printf("Closing in oplock handler\n");
if (!NT_STATUS_IS_OK(status)) {
printf("close failed in oplock_handler_close\n");
return False;
}
return True;
}
/*
test oplock ops
*/
static BOOL test_oplock(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
{
const char *fname = "\\test_oplock.dat";
NTSTATUS status;
BOOL ret = True;
union smb_open io;
struct smb_unlink unl;
union smb_read rd;
uint16_t fnum=0, fnum2=0;
/* cleanup */
smbcli_unlink(cli->tree, fname);
smbcli_oplock_handler(cli->transport, oplock_handler_ack, cli->tree);
/*
base ntcreatex parms
*/
io.generic.level = RAW_OPEN_NTCREATEX;
io.ntcreatex.in.root_fid = 0;
io.ntcreatex.in.access_mask = SEC_RIGHTS_FILE_ALL;
io.ntcreatex.in.alloc_size = 0;
io.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
io.ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_NONE;
io.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN_IF;
io.ntcreatex.in.create_options = 0;
io.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
io.ntcreatex.in.security_flags = 0;
io.ntcreatex.in.fname = fname;
printf("open a file with a normal oplock\n");
ZERO_STRUCT(break_info);
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED | NTCREATEX_FLAGS_REQUEST_OPLOCK;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum = io.ntcreatex.out.fnum;
CHECK_VAL(io.ntcreatex.out.oplock_level, EXCLUSIVE_OPLOCK_RETURN);
printf("unlink it - should be no break\n");
unl.in.pattern = fname;
unl.in.attrib = 0;
status = smb_raw_unlink(cli->tree, &unl);
CHECK_STATUS(status, NT_STATUS_SHARING_VIOLATION);
CHECK_VAL(break_info.count, 0);
smbcli_close(cli->tree, fnum);
/*
with a batch oplock we get a break
*/
printf("open with batch oplock\n");
ZERO_STRUCT(break_info);
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
NTCREATEX_FLAGS_REQUEST_OPLOCK |
NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum = io.ntcreatex.out.fnum;
CHECK_VAL(io.ntcreatex.out.oplock_level, BATCH_OPLOCK_RETURN);
printf("unlink should generate a break\n");
unl.in.pattern = fname;
unl.in.attrib = 0;
status = smb_raw_unlink(cli->tree, &unl);
CHECK_STATUS(status, NT_STATUS_SHARING_VIOLATION);
CHECK_VAL(break_info.fnum, fnum);
CHECK_VAL(break_info.level, 1);
CHECK_VAL(break_info.count, 1);
smbcli_close(cli->tree, fnum);
printf("if we close on break then the unlink can succeed\n");
ZERO_STRUCT(break_info);
smbcli_oplock_handler(cli->transport, oplock_handler_close, cli->tree);
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
NTCREATEX_FLAGS_REQUEST_OPLOCK |
NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum = io.ntcreatex.out.fnum;
CHECK_VAL(io.ntcreatex.out.oplock_level, BATCH_OPLOCK_RETURN);
unl.in.pattern = fname;
unl.in.attrib = 0;
ZERO_STRUCT(break_info);
status = smb_raw_unlink(cli->tree, &unl);
CHECK_STATUS(status, NT_STATUS_OK);
CHECK_VAL(break_info.fnum, fnum);
CHECK_VAL(break_info.level, 1);
CHECK_VAL(break_info.count, 1);
printf("a self read should not cause a break\n");
ZERO_STRUCT(break_info);
smbcli_close(cli->tree, fnum);
smbcli_oplock_handler(cli->transport, oplock_handler_ack, cli->tree);
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
NTCREATEX_FLAGS_REQUEST_OPLOCK |
NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum = io.ntcreatex.out.fnum;
CHECK_VAL(io.ntcreatex.out.oplock_level, BATCH_OPLOCK_RETURN);
rd.read.level = RAW_READ_READ;
rd.read.in.fnum = fnum;
rd.read.in.count = 1;
rd.read.in.offset = 0;
rd.read.in.remaining = 0;
status = smb_raw_read(cli->tree, &rd);
CHECK_STATUS(status, NT_STATUS_OK);
CHECK_VAL(break_info.count, 0);
printf("a 2nd open should give a break\n");
ZERO_STRUCT(break_info);
smbcli_close(cli->tree, fnum);
smbcli_oplock_handler(cli->transport, oplock_handler_ack, cli->tree);
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
NTCREATEX_FLAGS_REQUEST_OPLOCK |
NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum = io.ntcreatex.out.fnum;
CHECK_VAL(io.ntcreatex.out.oplock_level, BATCH_OPLOCK_RETURN);
ZERO_STRUCT(break_info);
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_SHARING_VIOLATION);
CHECK_VAL(break_info.count, 1);
CHECK_VAL(break_info.fnum, fnum);
CHECK_VAL(break_info.level, 1);
printf("a 2nd open should get an oplock when we close instead of ack\n");
ZERO_STRUCT(break_info);
smbcli_close(cli->tree, fnum);
smbcli_oplock_handler(cli->transport, oplock_handler_close, cli->tree);
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
NTCREATEX_FLAGS_REQUEST_OPLOCK |
NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum2 = io.ntcreatex.out.fnum;
CHECK_VAL(io.ntcreatex.out.oplock_level, BATCH_OPLOCK_RETURN);
ZERO_STRUCT(break_info);
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
NTCREATEX_FLAGS_REQUEST_OPLOCK |
NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum = io.ntcreatex.out.fnum;
CHECK_VAL(io.ntcreatex.out.oplock_level, BATCH_OPLOCK_RETURN);
CHECK_VAL(break_info.count, 1);
CHECK_VAL(break_info.fnum, fnum2);
CHECK_VAL(break_info.level, 1);
smbcli_close(cli->tree, fnum);
printf("open with batch oplock\n");
ZERO_STRUCT(break_info);
smbcli_oplock_handler(cli->transport, oplock_handler_ack, cli->tree);
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
NTCREATEX_FLAGS_REQUEST_OPLOCK |
NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum = io.ntcreatex.out.fnum;
CHECK_VAL(io.ntcreatex.out.oplock_level, BATCH_OPLOCK_RETURN);
ZERO_STRUCT(break_info);
printf("second open with attributes only shouldn't cause oplock break\n");
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
NTCREATEX_FLAGS_REQUEST_OPLOCK |
NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK;
io.ntcreatex.in.access_mask = SEC_FILE_READ_ATTRIBUTE|SEC_FILE_WRITE_ATTRIBUTE|SEC_STD_SYNCHRONIZE;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum2 = io.ntcreatex.out.fnum;
CHECK_VAL(io.ntcreatex.out.oplock_level, NO_OPLOCK_RETURN);
CHECK_VAL(break_info.count, 0);
CHECK_VAL(break_info.fnum, 0);
CHECK_VAL(break_info.level, 0);
smbcli_close(cli->tree, fnum);
smbcli_close(cli->tree, fnum2);
smbcli_unlink(cli->tree, fname);
printf("open with attributes only can create file\n");
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
NTCREATEX_FLAGS_REQUEST_OPLOCK |
NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK;
io.ntcreatex.in.access_mask = SEC_FILE_READ_ATTRIBUTE|SEC_FILE_WRITE_ATTRIBUTE|SEC_STD_SYNCHRONIZE;
io.ntcreatex.in.open_disposition = NTCREATEX_DISP_CREATE;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum = io.ntcreatex.out.fnum;
CHECK_VAL(io.ntcreatex.out.oplock_level, BATCH_OPLOCK_RETURN);
printf("Subsequent normal open should break oplock on attribute only open to level II\n");
ZERO_STRUCT(break_info);
smbcli_oplock_handler(cli->transport, oplock_handler_ack, cli->tree);
io.ntcreatex.in.flags = NTCREATEX_FLAGS_EXTENDED |
NTCREATEX_FLAGS_REQUEST_OPLOCK |
NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK;
io.ntcreatex.in.access_mask = SEC_RIGHTS_FILE_ALL;
io.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
fnum2 = io.ntcreatex.out.fnum;
CHECK_VAL(break_info.count, 1);
CHECK_VAL(break_info.fnum, fnum);
CHECK_VAL(io.ntcreatex.out.oplock_level, LEVEL_II_OPLOCK_RETURN);
done:
smbcli_close(cli->tree, fnum);
smbcli_close(cli->tree, fnum2);
smbcli_unlink(cli->tree, fname);
return ret;
}
/*
basic testing of oplocks
*/
BOOL torture_raw_oplock(void)
{
struct smbcli_state *cli1;
BOOL ret = True;
TALLOC_CTX *mem_ctx;
if (!torture_open_connection(&cli1)) {
return False;
}
mem_ctx = talloc_init("torture_raw_oplock");
if (!test_oplock(cli1, mem_ctx)) {
ret = False;
}
torture_close_connection(cli1);
talloc_destroy(mem_ctx);
return ret;
}
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