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/*
Unix SMB/CIFS implementation.
test server handling of unexpected client disconnects
Copyright (C) Andrew Tridgell 2004
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 "system/filesys.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/raw/raw_proto.h"
#include "libcli/libcli.h"
#include "torture/util.h"
#include "torture/basic/proto.h"
#define BASEDIR "\\test_disconnect"
#define CHECK_STATUS(status, correct) do { \
if (!NT_STATUS_EQUAL(status, correct)) { \
printf("(%s) Incorrect status %s - should be %s\n", \
__location__, nt_errstr(status), nt_errstr(correct)); \
talloc_free(cli); \
return false; \
}} while (0)
/*
test disconnect after async open
*/
static bool test_disconnect_open(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
{
union smb_open io;
struct smbcli_request *req1, *req2;
NTSTATUS status;
printf("trying open/disconnect\n");
io.generic.level = RAW_OPEN_NTCREATEX;
io.ntcreatex.in.root_fid.fnum = 0;
io.ntcreatex.in.flags = 0;
io.ntcreatex.in.access_mask = SEC_FILE_READ_DATA;
io.ntcreatex.in.create_options = 0;
io.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
io.ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ;
io.ntcreatex.in.alloc_size = 0;
io.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN_IF;
io.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
io.ntcreatex.in.security_flags = 0;
io.ntcreatex.in.fname = BASEDIR "\\open.dat";
status = smb_raw_open(cli->tree, mem_ctx, &io);
CHECK_STATUS(status, NT_STATUS_OK);
io.ntcreatex.in.share_access = 0;
req1 = smb_raw_open_send(cli->tree, &io);
req2 = smb_raw_open_send(cli->tree, &io);
if (!req1 || !req2) {
printf("test_disconnect_open: smb_raw_open_send() "
"returned NULL\n");
return false;
}
status = smbcli_chkpath(cli->tree, "\\");
CHECK_STATUS(status, NT_STATUS_OK);
talloc_free(cli);
return true;
}
/*
test disconnect with timed lock
*/
static bool test_disconnect_lock(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
{
union smb_lock io;
NTSTATUS status;
int fnum;
struct smbcli_request *req;
struct smb_lock_entry lock[1];
printf("trying disconnect with async lock\n");
fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat",
O_RDWR | O_CREAT, DENY_NONE);
if (fnum == -1) {
printf("open failed in mux_write - %s\n", smbcli_errstr(cli->tree));
return false;
}
io.lockx.level = RAW_LOCK_LOCKX;
io.lockx.in.file.fnum = fnum;
io.lockx.in.mode = 0;
io.lockx.in.timeout = 0;
io.lockx.in.lock_cnt = 1;
io.lockx.in.ulock_cnt = 0;
lock[0].pid = 1;
lock[0].offset = 0;
lock[0].count = 4;
io.lockx.in.locks = &lock[0];
status = smb_raw_lock(cli->tree, &io);
CHECK_STATUS(status, NT_STATUS_OK);
lock[0].pid = 2;
io.lockx.in.timeout = 3000;
req = smb_raw_lock_send(cli->tree, &io);
if (!req) {
printf("test_disconnect_lock: smb_raw_lock_send() "
"returned NULL\n");
return false;
}
status = smbcli_chkpath(cli->tree, "\\");
CHECK_STATUS(status, NT_STATUS_OK);
talloc_free(cli);
return true;
}
/*
basic testing of disconnects
*/
bool torture_disconnect(struct torture_context *torture)
{
bool ret = true;
TALLOC_CTX *mem_ctx;
int i;
extern int torture_numops;
struct smbcli_state *cli;
mem_ctx = talloc_init("torture_raw_mux");
if (!torture_open_connection(&cli, torture, 0)) {
return false;
}
torture_assert(torture, torture_setup_dir(cli, BASEDIR), "Failed to setup up test directory: " BASEDIR);
for (i=0;i<torture_numops;i++) {
ret &= test_disconnect_lock(cli, mem_ctx);
if (!torture_open_connection(&cli, torture, 0)) {
return false;
}
ret &= test_disconnect_open(cli, mem_ctx);
if (!torture_open_connection(&cli, torture, 0)) {
return false;
}
if (torture_setting_bool(torture, "samba3", false)) {
/*
* In Samba3 it might happen that the old smbd from
* test_disconnect_lock is not scheduled before the
* new process comes in. Try to get rid of the random
* failures in the build farm.
*/
smb_msleep(200);
}
}
smb_raw_exit(cli->session);
smbcli_deltree(cli->tree, BASEDIR);
talloc_free(mem_ctx);
return ret;
}
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