source: vendor/current/source4/torture/basic/disconnect.c@ 740

/* 
   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"

#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;
        NTSTATUS status;
        struct smbcli_request *req1, *req2;

        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);

        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);

        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;
        }

        if (!torture_setup_dir(cli, BASEDIR)) {
                return false;
        }

        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;
}