source: trunk/server/source4/torture/raw/read.c

/* 
   Unix SMB/CIFS implementation.
   test suite for various read operations
   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 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 "libcli/raw/libcliraw.h"
#include "system/time.h"
#include "system/filesys.h"
#include "libcli/libcli.h"
#include "torture/util.h"

#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)); \
                ret = false; \
                goto done; \
        }} while (0)

#define CHECK_VALUE(v, correct) do { \
        if ((v) != (correct)) { \
                printf("(%s) Incorrect value %s=%ld - should be %ld\n", \
                       __location__, #v, (long)v, (long)correct); \
                ret = false; \
                goto done; \
        }} while (0)

#define CHECK_BUFFER(buf, seed, len) do { \
        if (!check_buffer(buf, seed, len, __LINE__)) { \
                ret = false; \
                goto done; \
        }} while (0)

#define BASEDIR "\\testread"


/*
  setup a random buffer based on a seed
*/
static void setup_buffer(uint8_t *buf, unsigned int seed, int len)
{
        int i;
        srandom(seed);
        for (i=0;i<len;i++) buf[i] = random();
}

/*
  check a random buffer based on a seed
*/
static bool check_buffer(uint8_t *buf, unsigned int seed, int len, int line)
{
        int i;
        srandom(seed);
        for (i=0;i<len;i++) {
                uint8_t v = random();
                if (buf[i] != v) {
                        printf("Buffer incorrect at line %d! ofs=%d v1=0x%x v2=0x%x\n", 
                               line, i, buf[i], v);
                        return false;
                }
        }
        return true;
}

/*
  test read ops
*/
static bool test_read(struct torture_context *tctx, struct smbcli_state *cli)
{
        union smb_read io;
        NTSTATUS status;
        bool ret = true;
        int fnum;
        uint8_t *buf;
        const int maxsize = 90000;
        const char *fname = BASEDIR "\\test.txt";
        const char *test_data = "TEST DATA";
        unsigned int seed = time(NULL);

        buf = talloc_zero_array(tctx, uint8_t, maxsize);

        if (!torture_setting_bool(tctx, "read_support", true)) {
                printf("server refuses to support READ\n");
                return true;
        }

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

        printf("Testing RAW_READ_READ\n");
        io.generic.level = RAW_READ_READ;

        fnum = smbcli_open(cli->tree, fname, O_RDWR|O_CREAT, DENY_NONE);
        if (fnum == -1) {
                printf("Failed to create %s - %s\n", fname, smbcli_errstr(cli->tree));
                ret = false;
                goto done;
        }

        printf("Trying empty file read\n");
        io.read.in.file.fnum = fnum;
        io.read.in.count = 1;
        io.read.in.offset = 0;
        io.read.in.remaining = 0;
        io.read.out.data = buf;
        status = smb_raw_read(cli->tree, &io);

        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.read.out.nread, 0);

        printf("Trying zero file read\n");
        io.read.in.count = 0;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.read.out.nread, 0);

        printf("Trying bad fnum\n");
        io.read.in.file.fnum = fnum+1;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_INVALID_HANDLE);
        io.read.in.file.fnum = fnum;

        smbcli_write(cli->tree, fnum, 0, test_data, 0, strlen(test_data));

        printf("Trying small read\n");
        io.read.in.file.fnum = fnum;
        io.read.in.offset = 0;
        io.read.in.remaining = 0;
        io.read.in.count = strlen(test_data);
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.read.out.nread, strlen(test_data));
        if (memcmp(buf, test_data, strlen(test_data)) != 0) {
                ret = false;
                printf("incorrect data at %d!? (%s:%s)\n", __LINE__, test_data, buf);
                goto done;
        }

        printf("Trying short read\n");
        io.read.in.offset = 1;
        io.read.in.count = strlen(test_data);
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.read.out.nread, strlen(test_data)-1);
        if (memcmp(buf, test_data+1, strlen(test_data)-1) != 0) {
                ret = false;
                printf("incorrect data at %d!? (%s:%s)\n", __LINE__, test_data+1, buf);
                goto done;
        }

        if (cli->transport->negotiate.capabilities & CAP_LARGE_FILES) {
                printf("Trying max offset\n");
                io.read.in.offset = ~0;
                io.read.in.count = strlen(test_data);
                status = smb_raw_read(cli->tree, &io);
                CHECK_STATUS(status, NT_STATUS_OK);
                CHECK_VALUE(io.read.out.nread, 0);
        }

        setup_buffer(buf, seed, maxsize);
        smbcli_write(cli->tree, fnum, 0, buf, 0, maxsize);
        memset(buf, 0, maxsize);

        printf("Trying large read\n");
        io.read.in.offset = 0;
        io.read.in.count = ~0;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_BUFFER(buf, seed, io.read.out.nread);


        printf("Trying locked region\n");
        cli->session->pid++;
        if (NT_STATUS_IS_ERR(smbcli_lock(cli->tree, fnum, 103, 1, 0, WRITE_LOCK))) {
                printf("Failed to lock file at %d\n", __LINE__);
                ret = false;
                goto done;
        }
        cli->session->pid--;
        memset(buf, 0, maxsize);
        io.read.in.offset = 0;
        io.read.in.count = ~0;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_FILE_LOCK_CONFLICT);
        

done:
        smbcli_close(cli->tree, fnum);
        smb_raw_exit(cli->session);
        smbcli_deltree(cli->tree, BASEDIR);
        return ret;
}


/*
  test lockread ops
*/
static bool test_lockread(struct torture_context *tctx, 
                                                  struct smbcli_state *cli)
{
        union smb_read io;
        NTSTATUS status;
        bool ret = true;
        int fnum;
        uint8_t *buf;
        const int maxsize = 90000;
        const char *fname = BASEDIR "\\test.txt";
        const char *test_data = "TEST DATA";
        unsigned int seed = time(NULL);

        if (!cli->transport->negotiate.lockread_supported) {
                printf("Server does not support lockread - skipping\n");
                return true;
        }

        buf = talloc_zero_array(tctx, uint8_t, maxsize);

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

        printf("Testing RAW_READ_LOCKREAD\n");
        io.generic.level = RAW_READ_LOCKREAD;
        
        fnum = smbcli_open(cli->tree, fname, O_RDWR|O_CREAT, DENY_NONE);
        if (fnum == -1) {
                printf("Failed to create %s - %s\n", fname, smbcli_errstr(cli->tree));
                ret = false;
                goto done;
        }

        printf("Trying empty file read\n");
        io.lockread.in.file.fnum = fnum;
        io.lockread.in.count = 1;
        io.lockread.in.offset = 1;
        io.lockread.in.remaining = 0;
        io.lockread.out.data = buf;
        status = smb_raw_read(cli->tree, &io);

        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.lockread.out.nread, 0);

        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_LOCK_NOT_GRANTED);

        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_FILE_LOCK_CONFLICT);

        printf("Trying zero file read\n");
        io.lockread.in.count = 0;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);

        smbcli_unlock(cli->tree, fnum, 1, 1);

        printf("Trying bad fnum\n");
        io.lockread.in.file.fnum = fnum+1;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_INVALID_HANDLE);
        io.lockread.in.file.fnum = fnum;

        smbcli_write(cli->tree, fnum, 0, test_data, 0, strlen(test_data));

        printf("Trying small read\n");
        io.lockread.in.file.fnum = fnum;
        io.lockread.in.offset = 0;
        io.lockread.in.remaining = 0;
        io.lockread.in.count = strlen(test_data);
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_LOCK_NOT_GRANTED);

        smbcli_unlock(cli->tree, fnum, 1, 0);

        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.lockread.out.nread, strlen(test_data));
        if (memcmp(buf, test_data, strlen(test_data)) != 0) {
                ret = false;
                printf("incorrect data at %d!? (%s:%s)\n", __LINE__, test_data, buf);
                goto done;
        }

        printf("Trying short read\n");
        io.lockread.in.offset = 1;
        io.lockread.in.count = strlen(test_data);
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_LOCK_NOT_GRANTED);
        smbcli_unlock(cli->tree, fnum, 0, strlen(test_data));
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);

        CHECK_VALUE(io.lockread.out.nread, strlen(test_data)-1);
        if (memcmp(buf, test_data+1, strlen(test_data)-1) != 0) {
                ret = false;
                printf("incorrect data at %d!? (%s:%s)\n", __LINE__, test_data+1, buf);
                goto done;
        }

        if (cli->transport->negotiate.capabilities & CAP_LARGE_FILES) {
                printf("Trying max offset\n");
                io.lockread.in.offset = ~0;
                io.lockread.in.count = strlen(test_data);
                status = smb_raw_read(cli->tree, &io);
                CHECK_STATUS(status, NT_STATUS_OK);
                CHECK_VALUE(io.lockread.out.nread, 0);
        }

        setup_buffer(buf, seed, maxsize);
        smbcli_write(cli->tree, fnum, 0, buf, 0, maxsize);
        memset(buf, 0, maxsize);

        printf("Trying large read\n");
        io.lockread.in.offset = 0;
        io.lockread.in.count = ~0;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_LOCK_NOT_GRANTED);
        smbcli_unlock(cli->tree, fnum, 1, strlen(test_data));
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_BUFFER(buf, seed, io.lockread.out.nread);
        smbcli_unlock(cli->tree, fnum, 0, 0xFFFF);


        printf("Trying locked region\n");
        cli->session->pid++;
        if (NT_STATUS_IS_ERR(smbcli_lock(cli->tree, fnum, 103, 1, 0, WRITE_LOCK))) {
                printf("Failed to lock file at %d\n", __LINE__);
                ret = false;
                goto done;
        }
        cli->session->pid--;
        memset(buf, 0, maxsize);
        io.lockread.in.offset = 0;
        io.lockread.in.count = ~0;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_FILE_LOCK_CONFLICT);
        

done:
        smbcli_close(cli->tree, fnum);
        smbcli_deltree(cli->tree, BASEDIR);
        return ret;
}


/*
  test readx ops
*/
static bool test_readx(struct torture_context *tctx, struct smbcli_state *cli)
{
        union smb_read io;
        NTSTATUS status;
        bool ret = true;
        int fnum;
        uint8_t *buf;
        const int maxsize = 90000;
        const char *fname = BASEDIR "\\test.txt";
        const char *test_data = "TEST DATA";
        unsigned int seed = time(NULL);

        buf = talloc_zero_array(tctx, uint8_t, maxsize);

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

        printf("Testing RAW_READ_READX\n");
        
        fnum = smbcli_open(cli->tree, fname, O_RDWR|O_CREAT, DENY_NONE);
        if (fnum == -1) {
                printf("Failed to create %s - %s\n", fname, smbcli_errstr(cli->tree));
                ret = false;
                goto done;
        }

        printf("Trying empty file read\n");
        io.generic.level = RAW_READ_READX;
        io.readx.in.file.fnum = fnum;
        io.readx.in.mincnt = 1;
        io.readx.in.maxcnt = 1;
        io.readx.in.offset = 0;
        io.readx.in.remaining = 0;
        io.readx.in.read_for_execute = false;
        io.readx.out.data = buf;
        status = smb_raw_read(cli->tree, &io);

        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.nread, 0);
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);

        printf("Trying zero file read\n");
        io.readx.in.mincnt = 0;
        io.readx.in.maxcnt = 0;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.nread, 0);
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);

        printf("Trying bad fnum\n");
        io.readx.in.file.fnum = fnum+1;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_INVALID_HANDLE);
        io.readx.in.file.fnum = fnum;

        smbcli_write(cli->tree, fnum, 0, test_data, 0, strlen(test_data));

        printf("Trying small read\n");
        io.readx.in.file.fnum = fnum;
        io.readx.in.offset = 0;
        io.readx.in.remaining = 0;
        io.readx.in.read_for_execute = false;
        io.readx.in.mincnt = strlen(test_data);
        io.readx.in.maxcnt = strlen(test_data);
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.nread, strlen(test_data));
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);
        if (memcmp(buf, test_data, strlen(test_data)) != 0) {
                ret = false;
                printf("incorrect data at %d!? (%s:%s)\n", __LINE__, test_data, buf);
                goto done;
        }

        printf("Trying short read\n");
        io.readx.in.offset = 1;
        io.readx.in.mincnt = strlen(test_data);
        io.readx.in.maxcnt = strlen(test_data);
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.nread, strlen(test_data)-1);
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);
        if (memcmp(buf, test_data+1, strlen(test_data)-1) != 0) {
                ret = false;
                printf("incorrect data at %d!? (%s:%s)\n", __LINE__, test_data+1, buf);
                goto done;
        }

        if (cli->transport->negotiate.capabilities & CAP_LARGE_FILES) {
                printf("Trying max offset\n");
                io.readx.in.offset = 0xffffffff;
                io.readx.in.mincnt = strlen(test_data);
                io.readx.in.maxcnt = strlen(test_data);
                status = smb_raw_read(cli->tree, &io);
                CHECK_STATUS(status, NT_STATUS_OK);
                CHECK_VALUE(io.readx.out.nread, 0);
                CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
                CHECK_VALUE(io.readx.out.compaction_mode, 0);
        }

        printf("Trying mincnt past EOF\n");
        memset(buf, 0, maxsize);
        io.readx.in.offset = 0;
        io.readx.in.mincnt = 100;
        io.readx.in.maxcnt = 110;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);
        CHECK_VALUE(io.readx.out.nread, strlen(test_data));
        if (memcmp(buf, test_data, strlen(test_data)) != 0) {
                ret = false;
                printf("incorrect data at %d!? (%s:%s)\n", __LINE__, test_data, buf);
                goto done;
        }


        setup_buffer(buf, seed, maxsize);
        smbcli_write(cli->tree, fnum, 0, buf, 0, maxsize);
        memset(buf, 0, maxsize);

        printf("Trying page sized read\n");
        io.readx.in.offset = 0;
        io.readx.in.mincnt = 0x1000;
        io.readx.in.maxcnt = 0x1000;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);
        CHECK_VALUE(io.readx.out.nread, io.readx.in.maxcnt);
        CHECK_BUFFER(buf, seed, io.readx.out.nread);

        printf("Trying page + 1 sized read (check alignment)\n");
        io.readx.in.offset = 0;
        io.readx.in.mincnt = 0x1001;
        io.readx.in.maxcnt = 0x1001;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);
        CHECK_VALUE(io.readx.out.nread, io.readx.in.maxcnt);
        CHECK_BUFFER(buf, seed, io.readx.out.nread);

        printf("Trying large read (UINT16_MAX)\n");
        io.readx.in.offset = 0;
        io.readx.in.mincnt = 0xFFFF;
        io.readx.in.maxcnt = 0xFFFF;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);
        CHECK_VALUE(io.readx.out.nread, io.readx.in.maxcnt);
        CHECK_BUFFER(buf, seed, io.readx.out.nread);

        printf("Trying extra large read\n");
        io.readx.in.offset = 0;
        io.readx.in.mincnt = 100;
        io.readx.in.maxcnt = 80000;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);
        if (torture_setting_bool(tctx, "samba3", false) ||
            torture_setting_bool(tctx, "samba4", false)) {
                printf("SAMBA: large read extension\n");
                CHECK_VALUE(io.readx.out.nread, 80000);
        } else {
                CHECK_VALUE(io.readx.out.nread, 0);
        }
        CHECK_BUFFER(buf, seed, io.readx.out.nread);

        printf("Trying mincnt > maxcnt\n");
        memset(buf, 0, maxsize);
        io.readx.in.offset = 0;
        io.readx.in.mincnt = 30000;
        io.readx.in.maxcnt = 20000;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);
        CHECK_VALUE(io.readx.out.nread, io.readx.in.maxcnt);
        CHECK_BUFFER(buf, seed, io.readx.out.nread);

        printf("Trying mincnt < maxcnt\n");
        memset(buf, 0, maxsize);
        io.readx.in.offset = 0;
        io.readx.in.mincnt = 20000;
        io.readx.in.maxcnt = 30000;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(io.readx.out.compaction_mode, 0);
        CHECK_VALUE(io.readx.out.nread, io.readx.in.maxcnt);
        CHECK_BUFFER(buf, seed, io.readx.out.nread);

        if (cli->transport->negotiate.capabilities & CAP_LARGE_READX) {
                printf("Trying large readx\n");
                io.readx.in.offset = 0;
                io.readx.in.mincnt = 0;
                io.readx.in.maxcnt = 0x10000 - 1;
                status = smb_raw_read(cli->tree, &io);
                CHECK_STATUS(status, NT_STATUS_OK);
                CHECK_VALUE(io.readx.out.nread, 0xFFFF);

                io.readx.in.maxcnt = 0x10000;
                status = smb_raw_read(cli->tree, &io);
                CHECK_STATUS(status, NT_STATUS_OK);
                if (torture_setting_bool(tctx, "samba3", false) || 
                    torture_setting_bool(tctx, "samba4", false)) {
                        printf("SAMBA: large read extension\n");
                        CHECK_VALUE(io.readx.out.nread, 0x10000);
                } else {
                        CHECK_VALUE(io.readx.out.nread, 0);
                }

                io.readx.in.maxcnt = 0x10001;
                status = smb_raw_read(cli->tree, &io);
                CHECK_STATUS(status, NT_STATUS_OK);
                if (torture_setting_bool(tctx, "samba3", false) ||
                    torture_setting_bool(tctx, "samba4", false)) {
                        printf("SAMBA: large read extension\n");
                        CHECK_VALUE(io.readx.out.nread, 0x10001);
                } else {
                        CHECK_VALUE(io.readx.out.nread, 0);
                }
        } else {
                printf("Server does not support the CAP_LARGE_READX extension\n");
        }

        printf("Trying locked region\n");
        cli->session->pid++;
        if (NT_STATUS_IS_ERR(smbcli_lock(cli->tree, fnum, 103, 1, 0, WRITE_LOCK))) {
                printf("Failed to lock file at %d\n", __LINE__);
                ret = false;
                goto done;
        }
        cli->session->pid--;
        memset(buf, 0, maxsize);
        io.readx.in.offset = 0;
        io.readx.in.mincnt = 100;
        io.readx.in.maxcnt = 200;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_FILE_LOCK_CONFLICT);     

        if (!(cli->transport->negotiate.capabilities & CAP_LARGE_FILES)) {
                printf("skipping large file tests - CAP_LARGE_FILES not set\n");
                goto done;
        }

        printf("Trying large offset read\n");
        io.readx.in.offset = ((uint64_t)0x2) << 32;
        io.readx.in.mincnt = 10;
        io.readx.in.maxcnt = 10;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.nread, 0);

        if (NT_STATUS_IS_ERR(smbcli_lock64(cli->tree, fnum, io.readx.in.offset, 1, 0, WRITE_LOCK))) {
                printf("Failed to lock file at %d\n", __LINE__);
                ret = false;
                goto done;
        }

        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readx.out.nread, 0);

done:
        smbcli_close(cli->tree, fnum);
        smbcli_deltree(cli->tree, BASEDIR);
        return ret;
}


/*
  test readbraw ops
*/
static bool test_readbraw(struct torture_context *tctx, 
                                                  struct smbcli_state *cli)
{
        union smb_read io;
        NTSTATUS status;
        bool ret = true;
        int fnum;
        uint8_t *buf;
        const int maxsize = 90000;
        const char *fname = BASEDIR "\\test.txt";
        const char *test_data = "TEST DATA";
        unsigned int seed = time(NULL);

        if (!cli->transport->negotiate.readbraw_supported) {
                printf("Server does not support readbraw - skipping\n");
                return true;
        }

        buf = talloc_zero_array(tctx, uint8_t, maxsize);

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

        printf("Testing RAW_READ_READBRAW\n");
        
        fnum = smbcli_open(cli->tree, fname, O_RDWR|O_CREAT, DENY_NONE);
        if (fnum == -1) {
                printf("Failed to create %s - %s\n", fname, smbcli_errstr(cli->tree));
                ret = false;
                goto done;
        }

        printf("Trying empty file read\n");
        io.generic.level = RAW_READ_READBRAW;
        io.readbraw.in.file.fnum = fnum;
        io.readbraw.in.mincnt = 1;
        io.readbraw.in.maxcnt = 1;
        io.readbraw.in.offset = 0;
        io.readbraw.in.timeout = 0;
        io.readbraw.out.data = buf;
        status = smb_raw_read(cli->tree, &io);

        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readbraw.out.nread, 0);

        printf("Trying zero file read\n");
        io.readbraw.in.mincnt = 0;
        io.readbraw.in.maxcnt = 0;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readbraw.out.nread, 0);

        printf("Trying bad fnum\n");
        io.readbraw.in.file.fnum = fnum+1;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readbraw.out.nread, 0);
        io.readbraw.in.file.fnum = fnum;

        smbcli_write(cli->tree, fnum, 0, test_data, 0, strlen(test_data));

        printf("Trying small read\n");
        io.readbraw.in.file.fnum = fnum;
        io.readbraw.in.offset = 0;
        io.readbraw.in.mincnt = strlen(test_data);
        io.readbraw.in.maxcnt = strlen(test_data);
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readbraw.out.nread, strlen(test_data));
        if (memcmp(buf, test_data, strlen(test_data)) != 0) {
                ret = false;
                printf("incorrect data at %d!? (%s:%s)\n", __LINE__, test_data, buf);
                goto done;
        }

        printf("Trying short read\n");
        io.readbraw.in.offset = 1;
        io.readbraw.in.mincnt = strlen(test_data);
        io.readbraw.in.maxcnt = strlen(test_data);
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readbraw.out.nread, strlen(test_data)-1);
        if (memcmp(buf, test_data+1, strlen(test_data)-1) != 0) {
                ret = false;
                printf("incorrect data at %d!? (%s:%s)\n", __LINE__, test_data+1, buf);
                goto done;
        }

        if (cli->transport->negotiate.capabilities & CAP_LARGE_FILES) {
                printf("Trying max offset\n");
                io.readbraw.in.offset = ~0;
                io.readbraw.in.mincnt = strlen(test_data);
                io.readbraw.in.maxcnt = strlen(test_data);
                status = smb_raw_read(cli->tree, &io);
                CHECK_STATUS(status, NT_STATUS_OK);
                CHECK_VALUE(io.readbraw.out.nread, 0);
        }

        setup_buffer(buf, seed, maxsize);
        smbcli_write(cli->tree, fnum, 0, buf, 0, maxsize);
        memset(buf, 0, maxsize);

        printf("Trying large read\n");
        io.readbraw.in.offset = 0;
        io.readbraw.in.mincnt = ~0;
        io.readbraw.in.maxcnt = ~0;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readbraw.out.nread, 0xFFFF);
        CHECK_BUFFER(buf, seed, io.readbraw.out.nread);

        printf("Trying mincnt > maxcnt\n");
        memset(buf, 0, maxsize);
        io.readbraw.in.offset = 0;
        io.readbraw.in.mincnt = 30000;
        io.readbraw.in.maxcnt = 20000;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readbraw.out.nread, io.readbraw.in.maxcnt);
        CHECK_BUFFER(buf, seed, io.readbraw.out.nread);

        printf("Trying mincnt < maxcnt\n");
        memset(buf, 0, maxsize);
        io.readbraw.in.offset = 0;
        io.readbraw.in.mincnt = 20000;
        io.readbraw.in.maxcnt = 30000;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readbraw.out.nread, io.readbraw.in.maxcnt);
        CHECK_BUFFER(buf, seed, io.readbraw.out.nread);

        printf("Trying locked region\n");
        cli->session->pid++;
        if (NT_STATUS_IS_ERR(smbcli_lock(cli->tree, fnum, 103, 1, 0, WRITE_LOCK))) {
                printf("Failed to lock file at %d\n", __LINE__);
                ret = false;
                goto done;
        }
        cli->session->pid--;
        memset(buf, 0, maxsize);
        io.readbraw.in.offset = 0;
        io.readbraw.in.mincnt = 100;
        io.readbraw.in.maxcnt = 200;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readbraw.out.nread, 0);

        printf("Trying locked region with timeout\n");
        memset(buf, 0, maxsize);
        io.readbraw.in.offset = 0;
        io.readbraw.in.mincnt = 100;
        io.readbraw.in.maxcnt = 200;
        io.readbraw.in.timeout = 10000;
        status = smb_raw_read(cli->tree, &io);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(io.readbraw.out.nread, 0);

        if (cli->transport->negotiate.capabilities & CAP_LARGE_FILES) {
                printf("Trying large offset read\n");
                io.readbraw.in.offset = ((uint64_t)0x2) << 32;
                io.readbraw.in.mincnt = 10;
                io.readbraw.in.maxcnt = 10;
                io.readbraw.in.timeout = 0;
                status = smb_raw_read(cli->tree, &io);
                CHECK_STATUS(status, NT_STATUS_OK);
                CHECK_VALUE(io.readbraw.out.nread, 0);
        }

done:
        smbcli_close(cli->tree, fnum);
        smbcli_deltree(cli->tree, BASEDIR);
        return ret;
}

/*
  test read for execute
*/
static bool test_read_for_execute(struct torture_context *tctx, 
                                                                  struct smbcli_state *cli)
{
        union smb_open op;
        union smb_write wr;
        union smb_read rd;
        NTSTATUS status;
        bool ret = true;
        int fnum=0;
        uint8_t *buf;
        const int maxsize = 900;
        const char *fname = BASEDIR "\\test.txt";
        const uint8_t data[] = "TEST DATA";

        buf = talloc_zero_array(tctx, uint8_t, maxsize);

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

        printf("Testing RAW_READ_READX with read_for_execute\n");

        op.generic.level = RAW_OPEN_NTCREATEX;
        op.ntcreatex.in.root_fid.fnum = 0;
        op.ntcreatex.in.flags = 0;
        op.ntcreatex.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
        op.ntcreatex.in.create_options = 0;
        op.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
        op.ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE;
        op.ntcreatex.in.alloc_size = 0;
        op.ntcreatex.in.open_disposition = NTCREATEX_DISP_CREATE;
        op.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
        op.ntcreatex.in.security_flags = 0;
        op.ntcreatex.in.fname = fname;
        status = smb_raw_open(cli->tree, tctx, &op);
        CHECK_STATUS(status, NT_STATUS_OK);
        fnum = op.ntcreatex.out.file.fnum;

        wr.generic.level = RAW_WRITE_WRITEX;
        wr.writex.in.file.fnum = fnum;
        wr.writex.in.offset = 0;
        wr.writex.in.wmode = 0;
        wr.writex.in.remaining = 0;
        wr.writex.in.count = ARRAY_SIZE(data);
        wr.writex.in.data = data;
        status = smb_raw_write(cli->tree, &wr);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(wr.writex.out.nwritten, ARRAY_SIZE(data));

        status = smbcli_close(cli->tree, fnum);
        CHECK_STATUS(status, NT_STATUS_OK);

        printf("open file with SEC_FILE_EXECUTE\n");
        op.generic.level = RAW_OPEN_NTCREATEX;
        op.ntcreatex.in.root_fid.fnum = 0;
        op.ntcreatex.in.flags = 0;
        op.ntcreatex.in.access_mask = SEC_FILE_EXECUTE;
        op.ntcreatex.in.create_options = 0;
        op.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
        op.ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE;
        op.ntcreatex.in.alloc_size = 0;
        op.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
        op.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
        op.ntcreatex.in.security_flags = 0;
        op.ntcreatex.in.fname = fname;
        status = smb_raw_open(cli->tree, tctx, &op);
        CHECK_STATUS(status, NT_STATUS_OK);
        fnum = op.ntcreatex.out.file.fnum;

        printf("read with FLAGS2_READ_PERMIT_EXECUTE\n");
        rd.generic.level = RAW_READ_READX;
        rd.readx.in.file.fnum = fnum;
        rd.readx.in.mincnt = 0;
        rd.readx.in.maxcnt = maxsize;
        rd.readx.in.offset = 0;
        rd.readx.in.remaining = 0;
        rd.readx.in.read_for_execute = true;
        rd.readx.out.data = buf;
        status = smb_raw_read(cli->tree, &rd);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(rd.readx.out.nread, ARRAY_SIZE(data));
        CHECK_VALUE(rd.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(rd.readx.out.compaction_mode, 0);

        printf("read without FLAGS2_READ_PERMIT_EXECUTE (should fail)\n");
        rd.generic.level = RAW_READ_READX;
        rd.readx.in.file.fnum = fnum;
        rd.readx.in.mincnt = 0;
        rd.readx.in.maxcnt = maxsize;
        rd.readx.in.offset = 0;
        rd.readx.in.remaining = 0;
        rd.readx.in.read_for_execute = false;
        rd.readx.out.data = buf;
        status = smb_raw_read(cli->tree, &rd);
        CHECK_STATUS(status, NT_STATUS_ACCESS_DENIED);

        status = smbcli_close(cli->tree, fnum);
        CHECK_STATUS(status, NT_STATUS_OK);

        printf("open file with SEC_FILE_READ_DATA\n");
        op.generic.level = RAW_OPEN_NTCREATEX;
        op.ntcreatex.in.root_fid.fnum = 0;
        op.ntcreatex.in.flags = 0;
        op.ntcreatex.in.access_mask = SEC_FILE_READ_DATA;
        op.ntcreatex.in.create_options = 0;
        op.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
        op.ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE;
        op.ntcreatex.in.alloc_size = 0;
        op.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
        op.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
        op.ntcreatex.in.security_flags = 0;
        op.ntcreatex.in.fname = fname;
        status = smb_raw_open(cli->tree, tctx, &op);
        CHECK_STATUS(status, NT_STATUS_OK);
        fnum = op.ntcreatex.out.file.fnum;

        printf("read with FLAGS2_READ_PERMIT_EXECUTE\n");
        rd.generic.level = RAW_READ_READX;
        rd.readx.in.file.fnum = fnum;
        rd.readx.in.mincnt = 0;
        rd.readx.in.maxcnt = maxsize;
        rd.readx.in.offset = 0;
        rd.readx.in.remaining = 0;
        rd.readx.in.read_for_execute = true;
        rd.readx.out.data = buf;
        status = smb_raw_read(cli->tree, &rd);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(rd.readx.out.nread, ARRAY_SIZE(data));
        CHECK_VALUE(rd.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(rd.readx.out.compaction_mode, 0);

        printf("read without FLAGS2_READ_PERMIT_EXECUTE\n");
        rd.generic.level = RAW_READ_READX;
        rd.readx.in.file.fnum = fnum;
        rd.readx.in.mincnt = 0;
        rd.readx.in.maxcnt = maxsize;
        rd.readx.in.offset = 0;
        rd.readx.in.remaining = 0;
        rd.readx.in.read_for_execute = false;
        rd.readx.out.data = buf;
        status = smb_raw_read(cli->tree, &rd);
        CHECK_STATUS(status, NT_STATUS_OK);
        CHECK_VALUE(rd.readx.out.nread, ARRAY_SIZE(data));
        CHECK_VALUE(rd.readx.out.remaining, 0xFFFF);
        CHECK_VALUE(rd.readx.out.compaction_mode, 0);

done:
        smbcli_close(cli->tree, fnum);
        smbcli_deltree(cli->tree, BASEDIR);
        return ret;
}


/* 
   basic testing of read calls
*/
struct torture_suite *torture_raw_read(TALLOC_CTX *mem_ctx)
{
        struct torture_suite *suite = torture_suite_create(mem_ctx, "read");

        torture_suite_add_1smb_test(suite, "read", test_read);
        torture_suite_add_1smb_test(suite, "readx", test_readx);
        torture_suite_add_1smb_test(suite, "lockread", test_lockread);
        torture_suite_add_1smb_test(suite, "readbraw", test_readbraw);
        torture_suite_add_1smb_test(suite, "read for execute", 
                test_read_for_execute);

        return suite;
}