Logo Search packages:      
Sourcecode: samba4 version File versions  Download package

gentest.c

/* 
   Unix SMB/CIFS implementation.

   generic testing tool - version with both SMB and SMB2 support

   Copyright (C) Andrew Tridgell 2003-2008
   
   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 "lib/cmdline/popt_common.h"
#include "lib/events/events.h"
#include "system/time.h"
#include "system/filesys.h"
#include "libcli/raw/request.h"
#include "libcli/libcli.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
#include "librpc/gen_ndr/security.h"
#include "librpc/gen_ndr/ndr_security.h"
#include "auth/credentials/credentials.h"
#include "libcli/resolve/resolve.h"
#include "auth/gensec/gensec.h"
#include "param/param.h"
#include "dynconfig/dynconfig.h"
#include "libcli/security/security.h"
#include "libcli/raw/raw_proto.h"

#define NSERVERS 2
#define NINSTANCES 2

/* global options */
static struct gentest_options {
      int showall;
      int analyze;
      int analyze_always;
      int analyze_continuous;
      unsigned int max_open_handles;
      unsigned int seed;
      unsigned int numops;
      int use_oplocks;
      char **ignore_patterns;
      const char *seeds_file;
      int use_preset_seeds;
      int fast_reconnect;
      int mask_indexing;
      int no_eas;
      int no_acls;
      int skip_cleanup;
      int valid;
      int smb2;
} options;

/* mapping between open handles on the server and local handles */
static struct {
      bool active;
      unsigned int instance;
      struct smb2_handle smb2_handle[NSERVERS]; /* SMB2 */
      uint16_t smb_handle[NSERVERS];            /* SMB */
      const char *name;
} *open_handles;
static unsigned int num_open_handles;

/* state information for the servers. We open NINSTANCES connections to
   each server */
static struct {
      struct smb2_tree *smb2_tree[NINSTANCES];
      struct smbcli_tree *smb_tree[NINSTANCES];
      char *server_name;
      char *share_name;
      struct cli_credentials *credentials;
} servers[NSERVERS];

/* the seeds and flags for each operation */
static struct {
      unsigned int seed;
      bool disabled;
} *op_parms;


/* oplock break info */
static struct {
      bool got_break;
      struct smb2_handle smb2_handle;
      uint16_t smb_handle;
      uint16_t handle;
      uint8_t level;
      bool do_close;
} oplocks[NSERVERS][NINSTANCES];

/* change notify reply info */
static struct {
      int notify_count;
      NTSTATUS status;
      union smb_notify notify;
} notifies[NSERVERS][NINSTANCES];

/* info relevant to the current operation */
static struct {
      const char *name;
      unsigned int seed;
      NTSTATUS status;
      unsigned int opnum;
      TALLOC_CTX *mem_ctx;
      const char *mismatch;
} current_op;

static struct smb2_handle bad_smb2_handle;


#define BAD_HANDLE 0xFFFE

static bool oplock_handler_smb2(struct smb2_transport *transport, const struct smb2_handle *handle,
                        uint8_t level, void *private_data);
static void idle_func_smb2(struct smb2_transport *transport, void *private_data);
static bool oplock_handler_smb(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *private_data);
static void idle_func_smb(struct smbcli_transport *transport, void *private_data);

/*
  check if a string should be ignored. This is used as the basis
  for all error ignore settings
*/
static bool ignore_pattern(const char *str)
{
      int i;
      if (!options.ignore_patterns) return false;

      for (i=0;options.ignore_patterns[i];i++) {
            if (strcmp(options.ignore_patterns[i], str) == 0 ||
                gen_fnmatch(options.ignore_patterns[i], str) == 0) {
                  DEBUG(2,("Ignoring '%s'\n", str));
                  return true;
            }
      }
      return false;
}

/***************************************************** 
connect to the servers
*******************************************************/
static bool connect_servers_fast(void)
{
      int h, i;

      /* close all open files */
      for (h=0;h<options.max_open_handles;h++) {
            if (!open_handles[h].active) continue;
            for (i=0;i<NSERVERS;i++) {
                  NTSTATUS status;
                  if (options.smb2) {
                        status = smb2_util_close(servers[i].smb2_tree[open_handles[h].instance],
                                           open_handles[h].smb2_handle[i]);
                  } else {
                        status = smbcli_close(servers[i].smb_tree[open_handles[h].instance],
                                          open_handles[h].smb_handle[i]);
                  }
                  if (NT_STATUS_IS_ERR(status)) {
                        return false;
                  }
                  open_handles[h].active = false;
            }
      }

      return true;
}




/***************************************************** 
connect to the servers
*******************************************************/
static bool connect_servers(struct tevent_context *ev,
                      struct loadparm_context *lp_ctx)
{
      int i, j;

      if (options.fast_reconnect && servers[0].smb2_tree[0]) {
            if (connect_servers_fast()) {
                  return true;
            }
      }

      /* close any existing connections */
      for (i=0;i<NSERVERS;i++) {
            for (j=0;j<NINSTANCES;j++) {
                  if (servers[i].smb2_tree[j]) {
                        smb2_tdis(servers[i].smb2_tree[j]);
                        talloc_free(servers[i].smb2_tree[j]);
                        servers[i].smb2_tree[j] = NULL;
                  }
                  if (servers[i].smb_tree[j]) {
                        smb_tree_disconnect(servers[i].smb_tree[j]);
                        talloc_free(servers[i].smb_tree[j]);
                        servers[i].smb_tree[j] = NULL;
                  }
            }
      }

      for (i=0;i<NSERVERS;i++) {
            for (j=0;j<NINSTANCES;j++) {
                  NTSTATUS status;
                  struct smbcli_options smb_options;
                  struct smbcli_session_options smb_session_options;
                  lpcfg_smbcli_options(lp_ctx, &smb_options);
                  lpcfg_smbcli_session_options(lp_ctx, &smb_session_options);

                  printf("Connecting to \\\\%s\\%s as %s - instance %d\n",
                         servers[i].server_name, servers[i].share_name, 
                         servers[i].credentials->username, j);

                  cli_credentials_set_workstation(servers[i].credentials, 
                                          "gentest", CRED_SPECIFIED);

                  if (options.smb2) {
                        status = smb2_connect(NULL, servers[i].server_name, 
                                                        lpcfg_smb_ports(lp_ctx),
                                          servers[i].share_name,
                                          lpcfg_resolve_context(lp_ctx),
                                          servers[i].credentials,
                                          &servers[i].smb2_tree[j],
                                          ev, &smb_options,
                                            lpcfg_socket_options(lp_ctx),
                                            lpcfg_gensec_settings(lp_ctx, lp_ctx)
                                            );
                  } else {
                        status = smbcli_tree_full_connection(NULL,
                                                     &servers[i].smb_tree[j], 
                                                     servers[i].server_name, 
                                                     lpcfg_smb_ports(lp_ctx),
                                                     servers[i].share_name, "A:",
                                                       lpcfg_socket_options(lp_ctx),
                                                     servers[i].credentials,
                                                     lpcfg_resolve_context(lp_ctx), ev,
                                                     &smb_options,
                                                     &smb_session_options,
                                                       lpcfg_gensec_settings(lp_ctx, lp_ctx));
                  }
                  if (!NT_STATUS_IS_OK(status)) {
                        printf("Failed to connect to \\\\%s\\%s - %s\n",
                               servers[i].server_name, servers[i].share_name,
                               nt_errstr(status));
                        return false;
                  }

                  if (options.smb2) {
                        servers[i].smb2_tree[j]->session->transport->oplock.handler = oplock_handler_smb2;
                        servers[i].smb2_tree[j]->session->transport->oplock.private_data = (void *)(uintptr_t)((i<<8)|j);
                        smb2_transport_idle_handler(servers[i].smb2_tree[j]->session->transport, 
                                              idle_func_smb2, 50000, NULL);
                  } else {
                        smbcli_oplock_handler(servers[i].smb_tree[j]->session->transport, oplock_handler_smb, 
                                          (void *)(uintptr_t)((i<<8)|j));
                        smbcli_transport_idle_handler(servers[i].smb_tree[j]->session->transport, idle_func_smb, 
                                                50000, (void *)(uintptr_t)((i<<8)|j));
                  }
            }
      }

      return true;
}

/*
  work out the time skew between the servers - be conservative
*/
static unsigned int time_skew(void)
{
      unsigned int ret;
      if (options.smb2) {
            ret = labs(servers[0].smb2_tree[0]->session->transport->negotiate.system_time -
                     servers[1].smb2_tree[0]->session->transport->negotiate.system_time);
      } else {
            ret = labs(servers[0].smb_tree[0]->session->transport->negotiate.server_time -
                     servers[1].smb_tree[0]->session->transport->negotiate.server_time);
      }
      return ret + 300;
}


static bool smb2_handle_equal(const struct smb2_handle *h1, const struct smb2_handle *h2)
{
      return memcmp(h1, h2, sizeof(struct smb2_handle)) == 0;
}

/*
  turn a server handle into a local handle
*/
static unsigned int fnum_to_handle_smb2(int server, int instance, struct smb2_handle server_handle)
{
      unsigned int i;
      for (i=0;i<options.max_open_handles;i++) {
            if (!open_handles[i].active ||
                instance != open_handles[i].instance) continue;
            if (smb2_handle_equal(&open_handles[i].smb2_handle[server], &server_handle)) {
                  return i;
            }
      }
      printf("Invalid server handle in fnum_to_handle on server %d instance %d\n", 
             server, instance);
      return BAD_HANDLE;
}

/*
  turn a server handle into a local handle
*/
static unsigned int fnum_to_handle_smb(int server, int instance, uint16_t server_handle)
{
      unsigned int i;
      for (i=0;i<options.max_open_handles;i++) {
            if (!open_handles[i].active ||
                instance != open_handles[i].instance) continue;
            if (open_handles[i].smb_handle[server] == server_handle) {
                  return i;
            }
      }
      printf("Invalid server handle in fnum_to_handle on server %d instance %d\n", 
             server, instance);
      return BAD_HANDLE;
}

/*
  add some newly opened handles
*/
static void gen_add_handle_smb2(int instance, const char *name, struct smb2_handle handles[NSERVERS])
{
      int i, h;
      for (h=0;h<options.max_open_handles;h++) {
            if (!open_handles[h].active) break;
      }
      if (h == options.max_open_handles) {
            /* we have to force close a random handle */
            h = random() % options.max_open_handles;
            for (i=0;i<NSERVERS;i++) {
                  NTSTATUS status;
                  status = smb2_util_close(servers[i].smb2_tree[open_handles[h].instance], 
                                     open_handles[h].smb2_handle[i]);
                  if (NT_STATUS_IS_ERR(status)) {
                        printf("INTERNAL ERROR: Close failed when recovering handle! - %s\n",
                               nt_errstr(status));
                  }
            }
            printf("Recovered handle %d\n", h);
            num_open_handles--;
      }
      for (i=0;i<NSERVERS;i++) {
            open_handles[h].smb2_handle[i] = handles[i];
            open_handles[h].instance = instance;
            open_handles[h].active = true;
            open_handles[h].name = name;
      }
      num_open_handles++;

      printf("OPEN num_open_handles=%d h=%d (%s)\n", 
             num_open_handles, h, name);
}

/*
  add some newly opened handles
*/
static void gen_add_handle_smb(int instance, const char *name, uint16_t handles[NSERVERS])
{
      int i, h;
      for (h=0;h<options.max_open_handles;h++) {
            if (!open_handles[h].active) break;
      }
      if (h == options.max_open_handles) {
            /* we have to force close a random handle */
            h = random() % options.max_open_handles;
            for (i=0;i<NSERVERS;i++) {
                  NTSTATUS status;
                  status = smbcli_close(servers[i].smb_tree[open_handles[h].instance], 
                                    open_handles[h].smb_handle[i]);
                  if (NT_STATUS_IS_ERR(status)) {
                        printf("INTERNAL ERROR: Close failed when recovering handle! - %s\n",
                               nt_errstr(status));
                  }
            }
            printf("Recovered handle %d\n", h);
            num_open_handles--;
      }
      for (i=0;i<NSERVERS;i++) {
            open_handles[h].smb_handle[i] = handles[i];
            open_handles[h].instance = instance;
            open_handles[h].active = true;
            open_handles[h].name = name;
      }
      num_open_handles++;

      printf("OPEN num_open_handles=%d h=%d (%s)\n", 
             num_open_handles, h, name);
}


/*
  remove a closed handle
*/
static void gen_remove_handle_smb2(int instance, struct smb2_handle handles[NSERVERS])
{
      int h;
      for (h=0;h<options.max_open_handles;h++) {
            if (instance == open_handles[h].instance &&
                smb2_handle_equal(&open_handles[h].smb2_handle[0], &handles[0])) {
                  open_handles[h].active = false;                 
                  num_open_handles--;
                  printf("CLOSE num_open_handles=%d h=%d (%s)\n", 
                         num_open_handles, h, 
                         open_handles[h].name);
                  return;
            }
      }
      printf("Removing invalid handle!?\n");
      exit(1);
}

/*
  remove a closed handle
*/
static void gen_remove_handle_smb(int instance, uint16_t handles[NSERVERS])
{
      int h;
      for (h=0;h<options.max_open_handles;h++) {
            if (instance == open_handles[h].instance &&
                open_handles[h].smb_handle[0] == handles[0]) {
                  open_handles[h].active = false;                 
                  num_open_handles--;
                  printf("CLOSE num_open_handles=%d h=%d (%s)\n", 
                         num_open_handles, h, 
                         open_handles[h].name);
                  return;
            }
      }
      printf("Removing invalid handle!?\n");
      exit(1);
}

/*
  return true with 'chance' probability as a percentage
*/
static bool gen_chance(unsigned int chance)
{
      return ((random() % 100) <= chance);
}

/*
  map an internal handle number to a server handle
*/
static struct smb2_handle gen_lookup_handle_smb2(int server, uint16_t handle)
{
      if (handle == BAD_HANDLE) return bad_smb2_handle;
      return open_handles[handle].smb2_handle[server];
}

/*
  map an internal handle number to a server handle
*/
static uint16_t gen_lookup_handle_smb(int server, uint16_t handle)
{
      if (handle == BAD_HANDLE) return BAD_HANDLE;
      return open_handles[handle].smb_handle[server];
}

/*
  return a file handle
*/
static uint16_t gen_fnum(int instance)
{
      uint16_t h;
      int count = 0;

      if (gen_chance(20)) return BAD_HANDLE;

      while (num_open_handles > 0 && count++ < 10*options.max_open_handles) {
            h = random() % options.max_open_handles;
            if (open_handles[h].active && 
                open_handles[h].instance == instance) {
                  return h;
            }
      }
      return BAD_HANDLE;
}

/*
  return a file handle, but skewed so we don't close the last
  couple of handles too readily
*/
static uint16_t gen_fnum_close(int instance)
{
      if (num_open_handles < 5) {
            if (gen_chance(90)) return BAD_HANDLE;
      }

      return gen_fnum(instance);
}

/*
  generate an integer in a specified range
*/
static int gen_int_range(uint64_t min, uint64_t max)
{
      unsigned int r = random();
      return min + (r % (1+max-min));
}

/*
  return a fnum for use as a root fid
  be careful to call GEN_SET_FNUM() when you use this!
*/
static uint16_t gen_root_fid(int instance)
{
      if (gen_chance(5)) return gen_fnum(instance);
      return 0;
}

/*
  generate a file offset
*/
static int gen_offset(void)
{
      if (gen_chance(20)) return 0;
//    if (gen_chance(5)) return gen_int_range(0, 0xFFFFFFFF);
      return gen_int_range(0, 1024*1024);
}

/*
  generate a io count
*/
static int gen_io_count(void)
{
      if (gen_chance(20)) return 0;
//    if (gen_chance(5)) return gen_int_range(0, 0xFFFFFFFF);
      return gen_int_range(0, 4096);
}

/*
  generate a filename
*/
static const char *gen_fname(void)
{
      const char *names[] = {"gentest\\gentest.dat", 
                         "gentest\\foo", 
                         "gentest\\foo2.sym", 
                         "gentest\\foo3.dll", 
                         "gentest\\foo4", 
                         "gentest\\foo4:teststream1", 
                         "gentest\\foo4:teststream2", 
                         "gentest\\foo5.exe", 
                         "gentest\\foo5.exe:teststream3", 
                         "gentest\\foo5.exe:teststream4", 
                         "gentest\\foo6.com", 
                         "gentest\\blah", 
                         "gentest\\blah\\blergh.txt", 
                         "gentest\\blah\\blergh2", 
                         "gentest\\blah\\blergh3.txt", 
                         "gentest\\blah\\blergh4", 
                         "gentest\\blah\\blergh5.txt", 
                         "gentest\\blah\\blergh5", 
                         "gentest\\blah\\.", 
                         "gentest\\blah\\..", 
                         "gentest\\a_very_long_name.bin", 
                         "gentest\\x.y", 
                         "gentest\\blah"};
      int i;

      do {
            i = gen_int_range(0, ARRAY_SIZE(names)-1);
      } while (ignore_pattern(names[i]));

      return names[i];
}

/*
  generate a filename with a higher chance of choosing an already 
  open file
*/
static const char *gen_fname_open(int instance)
{
      uint16_t h;
      h = gen_fnum(instance);
      if (h == BAD_HANDLE) {
            return gen_fname();
      }
      return open_handles[h].name;
}

/*
  generate a wildcard pattern
*/
static const char *gen_pattern(void)
{
      int i;
      const char *names[] = {"gentest\\*.dat", 
                         "gentest\\*", 
                         "gentest\\*.*", 
                         "gentest\\blah\\*.*", 
                         "gentest\\blah\\*", 
                         "gentest\\?"};

      if (gen_chance(50)) return gen_fname();

      do {
            i = gen_int_range(0, ARRAY_SIZE(names)-1);
      } while (ignore_pattern(names[i]));

      return names[i];
}

static uint32_t gen_bits_levels(int nlevels, ...)
{
      va_list ap;
      uint32_t pct;
      uint32_t mask;
      int i;
      va_start(ap, nlevels);
      for (i=0;i<nlevels;i++) {
            pct = va_arg(ap, uint32_t);
            mask = va_arg(ap, uint32_t);
            if (pct == 100 || gen_chance(pct)) {
                  va_end(ap);
                  return mask & random();
            }
      }
      va_end(ap);
      return 0;
}

/*
  generate a bitmask
*/
static uint32_t gen_bits_mask(unsigned int mask)
{
      unsigned int ret = random();
      return ret & mask;
}

/*
  generate a bitmask with high probability of the first mask
  and low of the second
*/
static uint32_t gen_bits_mask2(uint32_t mask1, uint32_t mask2)
{
      if (!options.valid && gen_chance(10)) return gen_bits_mask(mask2);
      return gen_bits_mask(mask1);
}

/*
  generate reserved values
 */
static uint64_t gen_reserved8(void)
{
      if (options.valid) return 0;
      return gen_bits_mask(0xFF);
}

static uint64_t gen_reserved16(void)
{
      if (options.valid) return 0;
      return gen_bits_mask(0xFFFF);
}

static uint64_t gen_reserved32(void)
{
      if (options.valid) return 0;
      return gen_bits_mask(0xFFFFFFFF);
}

static uint64_t gen_reserved64(void)
{
      if (options.valid) return 0;
      return gen_bits_mask(0xFFFFFFFF) | (((uint64_t)gen_bits_mask(0xFFFFFFFF))<<32);
}



/*
  generate a boolean
*/
static bool gen_bool(void)
{
      return gen_bits_mask2(0x1, 0xFF);
}

/*
  generate ntrename flags
*/
static uint16_t gen_rename_flags(void)
{
      if (gen_chance(30)) return RENAME_FLAG_RENAME;
      if (gen_chance(30)) return RENAME_FLAG_HARD_LINK;
      if (gen_chance(30)) return RENAME_FLAG_COPY;
      return gen_bits_mask(0xFFFF);
}

/*
  generate a pid 
*/
static uint16_t gen_pid(void)
{
      if (gen_chance(10)) return gen_bits_mask(0xFFFF);
      return getpid();
}

/*
  return a set of lock flags
*/
static uint16_t gen_lock_flags_smb2(void)
{
      if (!options.valid && gen_chance(5))  return gen_bits_mask(0xFFFF);
      if (gen_chance(20)) return gen_bits_mask(0x1F);
      if (gen_chance(50)) return SMB2_LOCK_FLAG_UNLOCK;
      return gen_bits_mask(SMB2_LOCK_FLAG_SHARED | 
                       SMB2_LOCK_FLAG_EXCLUSIVE | 
                       SMB2_LOCK_FLAG_FAIL_IMMEDIATELY);
}

/*
  generate a lock count
*/
static off_t gen_lock_count(void)
{
      return gen_int_range(0, 3);
}

/*
  generate a NT access mask
*/
static uint32_t gen_access_mask(void)
{
      uint32_t ret;
      if (gen_chance(70)) return SEC_FLAG_MAXIMUM_ALLOWED;
      if (gen_chance(70)) return SEC_FILE_ALL;
      ret = gen_bits_mask(0xFFFFFFFF);
      if (options.valid) ret &= ~SEC_MASK_INVALID;
      return ret;
}

/*
  return a lockingx lock mode
*/
static uint16_t gen_lock_mode(void)
{
      if (!options.valid && gen_chance(5))  return gen_bits_mask(0xFFFF);
      if (gen_chance(20)) return gen_bits_mask(0x1F);
      return gen_bits_mask(LOCKING_ANDX_SHARED_LOCK | LOCKING_ANDX_LARGE_FILES);
}

/*
  generate a ntcreatex flags field
*/
static uint32_t gen_ntcreatex_flags(void)
{
      if (gen_chance(70)) return NTCREATEX_FLAGS_EXTENDED;
      return gen_bits_mask2(0x1F, 0xFFFFFFFF);
}

/*
  generate a ntcreatex create options bitfield
*/
static uint32_t gen_create_options(void)
{
      if (!options.valid && gen_chance(20)) return gen_bits_mask(0xFFFFFFFF);
      if (gen_chance(50)) return 0;
      return gen_bits_mask(NTCREATEX_OPTIONS_DELETE_ON_CLOSE | NTCREATEX_OPTIONS_DIRECTORY);
}

/*
  generate a ntcreatex open disposition
*/
static uint32_t gen_open_disp(void)
{
      if (gen_chance(50)) return NTCREATEX_DISP_OPEN_IF;
      if (!options.valid && gen_chance(10)) return gen_bits_mask(0xFFFFFFFF);
      return gen_int_range(0, 5);
}

/*
  generate an openx open mode
*/
static uint16_t gen_openx_mode(void)
{
      if (!options.valid && gen_chance(20)) return gen_bits_mask(0xFFFF);
      if (gen_chance(20)) return gen_bits_mask(0xFF);
      return OPENX_MODE_DENY_NONE | gen_bits_mask(0x3);
}

/*
  generate an openx flags field
*/
static uint16_t gen_openx_flags(void)
{
      if (!options.valid && gen_chance(20)) return gen_bits_mask(0xFFFF);
      return gen_bits_mask(0x7);
}

/*
  generate an openx open function
*/
static uint16_t gen_openx_func(void)
{
      if (!options.valid && gen_chance(20)) return gen_bits_mask(0xFFFF);
      return gen_bits_mask(0x13);
}

/*
  generate a file attrib combination
*/
static uint32_t gen_attrib(void)
{
      uint32_t ret;
      if (gen_chance(20)) {
            ret = gen_bits_mask(0xFFFFFFFF);
            if (options.valid) ret &= FILE_ATTRIBUTE_ALL_MASK;
            return ret;
      }
      return gen_bits_mask(FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_DIRECTORY);
}

/*
  generate a unix timestamp
*/
static time_t gen_timet(void)
{
      if (gen_chance(30)) return 0;
      return (time_t)random();
}

/*
  generate a milliseconds protocol timeout
*/
static uint32_t gen_timeout(void)
{
      if (gen_chance(98)) return 0;
      return random() % 50;
}

/*
  generate a timestamp
*/
static NTTIME gen_nttime(void)
{
      NTTIME ret;
      unix_to_nt_time(&ret, gen_timet());
      return ret;
}

/*
  generate a timewarp value
*/
static NTTIME gen_timewarp(void)
{
      NTTIME ret = gen_nttime();
      if (gen_chance(98)) ret = 0;
      return ret;
}

/*
  generate a file allocation size
*/
static unsigned int gen_alloc_size(void)
{
      unsigned int ret;

      if (gen_chance(30)) return 0;

      ret = random() % 4*1024*1024;
      /* give a high chance of a round number */
      if (gen_chance(60)) {
            ret &= ~(1024*1024 - 1);
      }
      return ret;
}

/*
  generate an ea_struct
*/
static struct ea_struct gen_ea_struct(void)
{
      struct ea_struct ea;
      const char *names[] = {"EAONE", 
                         "", 
                         "FOO!", 
                         " WITH SPACES ", 
                         ".", 
                         "AVERYLONGATTRIBUTENAME"};
      const char *values[] = {"VALUE1", 
                         "", 
                         "NOT MUCH FOO", 
                         " LEADING SPACES ", 
                         ":", 
                         "ASOMEWHATLONGERATTRIBUTEVALUE"};
      int i;

      ZERO_STRUCT(ea);

      do {
            i = gen_int_range(0, ARRAY_SIZE(names)-1);
      } while (ignore_pattern(names[i]));

      ea.name.s = names[i];

      do {
            i = gen_int_range(0, ARRAY_SIZE(values)-1);
      } while (ignore_pattern(values[i]));

      ea.value = data_blob(values[i], strlen(values[i]));

      if (gen_chance(10)) ea.flags = gen_bits_mask(0xFF);
      ea.flags = 0;

      return ea;
}

/*
  generate an ea_struct
*/
static struct smb_ea_list gen_ea_list(void)
{
      struct smb_ea_list eas;
      int i;
      if (options.no_eas) {
            ZERO_STRUCT(eas);
            return eas;
      }
      eas.num_eas = gen_int_range(0, 3);
      eas.eas = talloc_array(current_op.mem_ctx, struct ea_struct, eas.num_eas);
      for (i=0;i<eas.num_eas;i++) {
            eas.eas[i] = gen_ea_struct();
      }
      return eas;
}

/* generate a security descriptor */
static struct security_descriptor *gen_sec_desc(void)
{
      struct security_descriptor *sd;
      if (options.no_acls || gen_chance(90)) return NULL;

      sd = security_descriptor_dacl_create(current_op.mem_ctx,
                                   0, NULL, NULL,
                                   NULL,
                                   SEC_ACE_TYPE_ACCESS_ALLOWED,
                                   SEC_FILE_WRITE_DATA | SEC_STD_WRITE_DAC,
                                   SEC_ACE_FLAG_OBJECT_INHERIT,
                                   SID_WORLD,
                                   SEC_ACE_TYPE_ACCESS_ALLOWED,
                                   SEC_FILE_ALL | SEC_STD_ALL,
                                   0,
                                   NULL);
      return sd;
}


static void oplock_handler_close_recv_smb(struct smbcli_request *req)
{
      NTSTATUS status;
      status = smbcli_request_simple_recv(req);
      if (!NT_STATUS_IS_OK(status)) {
            printf("close failed in oplock_handler\n");
            smb_panic("close failed in oplock_handler");
      }
}

/*
  the oplock handler will either ack the break or close the file
*/
static bool oplock_handler_smb(struct smbcli_transport *transport, uint16_t tid, uint16_t fnum, uint8_t level, void *private_data)
{
      union smb_close io;
      int i, j;
      bool do_close;
      struct smbcli_tree *tree = NULL;
      struct smbcli_request *req;

      srandom(current_op.seed);
      do_close = gen_chance(50);

      for (i=0;i<NSERVERS;i++) {
            for (j=0;j<NINSTANCES;j++) {
                  if (transport == servers[i].smb_tree[j]->session->transport &&
                      tid == servers[i].smb_tree[j]->tid) {
                        oplocks[i][j].got_break = true;
                        oplocks[i][j].smb_handle = fnum;
                        oplocks[i][j].handle = fnum_to_handle_smb(i, j, fnum);
                        oplocks[i][j].level = level;
                        oplocks[i][j].do_close = do_close;
                        tree = servers[i].smb_tree[j];
                  }
            }
      }

      if (!tree) {
            printf("Oplock break not for one of our trees!?\n");
            return false;
      }

      if (!do_close) {
            printf("oplock ack fnum=%d\n", fnum);
            return smbcli_oplock_ack(tree, fnum, level);
      }

      printf("oplock close fnum=%d\n", fnum);

      io.close.level = RAW_CLOSE_CLOSE;
      io.close.in.file.fnum = fnum;
      io.close.in.write_time = 0;
      req = smb_raw_close_send(tree, &io);

      if (req == NULL) {
            printf("WARNING: close failed in oplock_handler_close\n");
            return false;
      }

      req->async.fn = oplock_handler_close_recv_smb;
      req->async.private_data = NULL;

      return true;
}


/*
  the idle function tries to cope with getting an oplock break on a connection, and
  an operation on another connection blocking until that break is acked
  we check for operations on all transports in the idle function
*/
static void idle_func_smb(struct smbcli_transport *transport, void *private_data)
{
      int i, j;
      for (i=0;i<NSERVERS;i++) {
            for (j=0;j<NINSTANCES;j++) {
                  if (servers[i].smb_tree[j] &&
                      transport != servers[i].smb_tree[j]->session->transport) {
                        smbcli_transport_process(servers[i].smb_tree[j]->session->transport);
                  }
            }
      }

}

static void oplock_handler_close_recv_smb2(struct smb2_request *req)
{
      NTSTATUS status;
      struct smb2_close io;
      status = smb2_close_recv(req, &io);
      if (!NT_STATUS_IS_OK(status)) {
            printf("close failed in oplock_handler\n");
            smb_panic("close failed in oplock_handler");
      }
}

static void oplock_handler_ack_callback_smb2(struct smb2_request *req)
{
      NTSTATUS status;
      struct smb2_break br;

      status = smb2_break_recv(req, &br);
      if (!NT_STATUS_IS_OK(status)) {
            printf("oplock break ack failed in oplock_handler\n");
            smb_panic("oplock break ack failed in oplock_handler");
      }
}

static bool send_oplock_ack_smb2(struct smb2_tree *tree, struct smb2_handle handle, 
                         uint8_t level)
{
      struct smb2_break br;
      struct smb2_request *req;

      ZERO_STRUCT(br);
      br.in.file.handle = handle;
      br.in.oplock_level      = level;
      br.in.reserved            = gen_reserved8();
      br.in.reserved2           = gen_reserved32();

      req = smb2_break_send(tree, &br);
      if (req == NULL) return false;
      req->async.fn = oplock_handler_ack_callback_smb2;
      req->async.private_data = NULL;
      return true;
}

/*
  the oplock handler will either ack the break or close the file
*/
static bool oplock_handler_smb2(struct smb2_transport *transport, const struct smb2_handle *handle, 
                        uint8_t level, void *private_data)
{
      struct smb2_close io;
      unsigned i, j;
      bool do_close;
      struct smb2_tree *tree = NULL;
      struct smb2_request *req;

      srandom(current_op.seed);
      do_close = gen_chance(50);

      i = ((uintptr_t)private_data) >> 8;
      j = ((uintptr_t)private_data) & 0xFF;

      if (i >= NSERVERS || j >= NINSTANCES) {
            printf("Bad private_data in oplock_handler\n");
            return false;
      }

      oplocks[i][j].got_break = true;
      oplocks[i][j].smb2_handle = *handle;
      oplocks[i][j].handle = fnum_to_handle_smb2(i, j, *handle);
      oplocks[i][j].level = level;
      oplocks[i][j].do_close = do_close;
      tree = talloc_get_type(servers[i].smb2_tree[j], struct smb2_tree);

      if (!tree) {
            printf("Oplock break not for one of our trees!?\n");
            return false;
      }

      if (!do_close) {
            printf("oplock ack handle=%d\n", oplocks[i][j].handle);
            return send_oplock_ack_smb2(tree, *handle, level);
      }

      printf("oplock close fnum=%d\n", oplocks[i][j].handle);

      ZERO_STRUCT(io);
      io.in.file.handle = *handle;
      io.in.flags = 0;
      req = smb2_close_send(tree, &io);

      if (req == NULL) {
            printf("WARNING: close failed in oplock_handler_close\n");
            return false;
      }

      req->async.fn = oplock_handler_close_recv_smb2;
      req->async.private_data = NULL;

      return true;
}


/*
  the idle function tries to cope with getting an oplock break on a connection, and
  an operation on another connection blocking until that break is acked
  we check for operations on all transports in the idle function
*/
static void idle_func_smb2(struct smb2_transport *transport, void *private_data)
{
      int i, j;
      for (i=0;i<NSERVERS;i++) {
            for (j=0;j<NINSTANCES;j++) {
                  if (servers[i].smb2_tree[j] &&
                      transport != servers[i].smb2_tree[j]->session->transport) {
                        // smb2_transport_process(servers[i].smb2_tree[j]->session->transport);
                  }
            }
      }

}


/*
  compare NTSTATUS, using checking ignored patterns
*/
static bool compare_status(NTSTATUS status1, NTSTATUS status2)
{
      char *s;

      if (NT_STATUS_EQUAL(status1, status2)) return true;

      /* one code being an error and the other OK is always an error */
      if (NT_STATUS_IS_OK(status1) || NT_STATUS_IS_OK(status2)) {
            current_op.mismatch = nt_errstr(status1);
            return false;
      }

      /* if we are ignoring one of the status codes then consider this a match */
      if (ignore_pattern(nt_errstr(status1)) ||
          ignore_pattern(nt_errstr(status2))) {
            return true;
      }

      /* also support ignore patterns of the form NT_STATUS_XX:NT_STATUS_YY
         meaning that the first server returns NT_STATUS_XX and the 2nd
         returns NT_STATUS_YY */
      s = talloc_asprintf(current_op.mem_ctx, "%s:%s", 
                      nt_errstr(status1), 
                      nt_errstr(status2));
      if (ignore_pattern(s)) {
            return true;
      }

      current_op.mismatch = nt_errstr(status1);
      return false;
}

/*
  check for pending packets on all connections
*/
static void check_pending(void)
{
      int i, j;

      msleep(20);

      for (j=0;j<NINSTANCES;j++) {
            for (i=0;i<NSERVERS;i++) {
                  // smb2_transport_process(servers[i].smb2_tree[j]->session->transport);
            }
      }     
}

/*
  check that the same oplock breaks have been received by all instances
*/
static bool check_oplocks(const char *call)
{
      int i, j;
      int tries = 0;

      if (!options.use_oplocks || options.smb2) {
            /* no smb2 oplocks in gentest yet */
            return true;
      }

again:
      check_pending();

      for (j=0;j<NINSTANCES;j++) {
            for (i=1;i<NSERVERS;i++) {
                  if (oplocks[0][j].got_break != oplocks[i][j].got_break ||
                      oplocks[0][j].handle != oplocks[i][j].handle ||
                      oplocks[0][j].level != oplocks[i][j].level) {
                        if (tries++ < 10) goto again;
                        printf("oplock break inconsistent - %d/%d/%d vs %d/%d/%d\n",
                               oplocks[0][j].got_break, 
                               oplocks[0][j].handle, 
                               oplocks[0][j].level, 
                               oplocks[i][j].got_break, 
                               oplocks[i][j].handle, 
                               oplocks[i][j].level);
                        current_op.mismatch = "oplock break";
                        return false;
                  }
            }
      }

      /* if we got a break and closed then remove the handle */
      for (j=0;j<NINSTANCES;j++) {
            if (oplocks[0][j].got_break &&
                oplocks[0][j].do_close) {
                  uint16_t fnums[NSERVERS];
                  for (i=0;i<NSERVERS;i++) {
                        fnums[i] = oplocks[i][j].smb_handle;
                  }
                  gen_remove_handle_smb(j, fnums);
                  break;
            }
      }     
      return true;
}


/*
  check that the same change notify info has been received by all instances
*/
static bool check_notifies(const char *call)
{
      int i, j;
      int tries = 0;

      if (options.smb2) {
            /* no smb2 notifies in gentest yet */
            return true;
      }

again:
      check_pending();

      for (j=0;j<NINSTANCES;j++) {
            for (i=1;i<NSERVERS;i++) {
                  int n;
                  union smb_notify not1, not2;

                  if (notifies[0][j].notify_count != notifies[i][j].notify_count) {
                        if (tries++ < 10) goto again;
                        printf("Notify count inconsistent %d %d\n",
                               notifies[0][j].notify_count,
                               notifies[i][j].notify_count);
                        current_op.mismatch = "notify count";
                        return false;
                  }

                  if (notifies[0][j].notify_count == 0) continue;

                  if (!NT_STATUS_EQUAL(notifies[0][j].status,
                                   notifies[i][j].status)) {
                        printf("Notify status mismatch - %s - %s\n",
                               nt_errstr(notifies[0][j].status),
                               nt_errstr(notifies[i][j].status));
                        current_op.mismatch = "Notify status";
                        return false;
                  }

                  if (!NT_STATUS_IS_OK(notifies[0][j].status)) {
                        continue;
                  }

                  not1 = notifies[0][j].notify;
                  not2 = notifies[i][j].notify;

                  for (n=0;n<not1.nttrans.out.num_changes;n++) {
                        if (not1.nttrans.out.changes[n].action != 
                            not2.nttrans.out.changes[n].action) {
                              printf("Notify action %d inconsistent %d %d\n", n,
                                     not1.nttrans.out.changes[n].action,
                                     not2.nttrans.out.changes[n].action);
                              current_op.mismatch = "notify action";
                              return false;
                        }
                        if (strcmp(not1.nttrans.out.changes[n].name.s,
                                 not2.nttrans.out.changes[n].name.s)) {
                              printf("Notify name %d inconsistent %s %s\n", n,
                                     not1.nttrans.out.changes[n].name.s,
                                     not2.nttrans.out.changes[n].name.s);
                              current_op.mismatch = "notify name";
                              return false;
                        }
                        if (not1.nttrans.out.changes[n].name.private_length !=
                            not2.nttrans.out.changes[n].name.private_length) {
                              printf("Notify name length %d inconsistent %d %d\n", n,
                                     not1.nttrans.out.changes[n].name.private_length,
                                     not2.nttrans.out.changes[n].name.private_length);
                              current_op.mismatch = "notify name length";
                              return false;
                        }
                  }
            }
      }

      ZERO_STRUCT(notifies);

      return true;
}

#define GEN_COPY_PARM do { \
      int i; \
      for (i=1;i<NSERVERS;i++) { \
            parm[i] = parm[0]; \
      } \
} while (0)

#define GEN_CALL(call, treetype, treefield) do {            \
      int i; \
      ZERO_STRUCT(oplocks); \
      ZERO_STRUCT(notifies); \
      for (i=0;i<NSERVERS;i++) { \
            struct treetype *tree = servers[i].treefield[instance]; \
            status[i] = call; \
      } \
      current_op.status = status[0]; \
      for (i=1;i<NSERVERS;i++) { \
            if (!compare_status(status[0], status[1])) { \
                  printf("status different in %s - %s %s\n", #call, \
                         nt_errstr(status[0]), nt_errstr(status[i])); \
                  current_op.mismatch = nt_errstr(status[0]); \
                  return false; \
            } \
      } \
      if (!check_oplocks(#call)) return false;  \
      if (!check_notifies(#call)) return false; \
      if (!NT_STATUS_IS_OK(status[0])) { \
            return true; \
      } \
} while(0)

#define GEN_CALL_SMB(call) GEN_CALL(call, smbcli_tree, smb_tree)
#define GEN_CALL_SMB2(call) GEN_CALL(call, smb2_tree, smb2_tree)

#define ADD_HANDLE_SMB2(name, field) do { \
      struct smb2_handle handles[NSERVERS]; \
      int i; \
      for (i=0;i<NSERVERS;i++) { \
            handles[i] = parm[i].field; \
      } \
      gen_add_handle_smb2(instance, name, handles); \
} while(0)

#define REMOVE_HANDLE_SMB2(field) do { \
      struct smb2_handle handles[NSERVERS]; \
      int i; \
      for (i=0;i<NSERVERS;i++) { \
            handles[i] = parm[i].field; \
      } \
      gen_remove_handle_smb2(instance, handles); \
} while(0)

#define ADD_HANDLE_SMB(name, field) do { \
      uint16_t handles[NSERVERS]; \
      int i; \
      for (i=0;i<NSERVERS;i++) { \
            handles[i] = parm[i].field; \
      } \
      gen_add_handle_smb(instance, name, handles); \
} while(0)

#define REMOVE_HANDLE_SMB(field) do { \
      uint16_t handles[NSERVERS]; \
      int i; \
      for (i=0;i<NSERVERS;i++) { \
            handles[i] = parm[i].field; \
      } \
      gen_remove_handle_smb(instance, handles); \
} while(0)

#define GEN_SET_FNUM_SMB2(field) do { \
      int i; \
      for (i=0;i<NSERVERS;i++) { \
            parm[i].field = gen_lookup_handle_smb2(i, parm[i].field.data[0]); \
      } \
} while(0)

#define GEN_SET_FNUM_SMB(field) do { \
      int i; \
      for (i=0;i<NSERVERS;i++) { \
            parm[i].field = gen_lookup_handle_smb(i, parm[i].field); \
      } \
} while(0)

#define CHECK_EQUAL(field) do { \
      if (parm[0].field != parm[1].field && !ignore_pattern(#field)) { \
            current_op.mismatch = #field; \
            printf("Mismatch in %s - 0x%llx 0x%llx\n", #field, \
                   (unsigned long long)parm[0].field, (unsigned long long)parm[1].field); \
            return false; \
      } \
} while(0)

#define CHECK_SECDESC(field) do { \
      if (!security_acl_equal(parm[0].field->dacl, parm[1].field->dacl) && !ignore_pattern(#field)) { \
            current_op.mismatch = #field; \
            printf("Mismatch in %s\n", #field); \
            return false;                     \
      } \
} while(0)

#define CHECK_ATTRIB(field) do { \
            if (!options.mask_indexing) { \
            CHECK_EQUAL(field); \
      } else if ((~FILE_ATTRIBUTE_NONINDEXED & parm[0].field) != (~FILE_ATTRIBUTE_NONINDEXED & parm[1].field) && !ignore_pattern(#field)) { \
            current_op.mismatch = #field; \
            printf("Mismatch in %s - 0x%x 0x%x\n", #field, \
                   (int)parm[0].field, (int)parm[1].field); \
            return false; \
      } \
} while(0)

#define CHECK_WSTR_EQUAL(field) do { \
      if ((!parm[0].field.s && parm[1].field.s) || (parm[0].field.s && !parm[1].field.s)) { \
            current_op.mismatch = #field; \
            printf("%s is NULL!\n", #field); \
            return false; \
      } \
      if (parm[0].field.s && strcmp(parm[0].field.s, parm[1].field.s) != 0 && !ignore_pattern(#field)) { \
            current_op.mismatch = #field; \
            printf("Mismatch in %s - %s %s\n", #field, \
                   parm[0].field.s, parm[1].field.s); \
            return false; \
      } \
      CHECK_EQUAL(field.private_length); \
} while(0)

#define CHECK_BLOB_EQUAL(field) do { \
      if (((parm[0].field.data == NULL && parm[1].field.data != NULL) || \
          (parm[1].field.data == NULL && parm[0].field.data != NULL) || \
          (memcmp(parm[0].field.data, parm[1].field.data, parm[0].field.length) != 0)) && !ignore_pattern(#field)) { \
            current_op.mismatch = #field; \
            printf("Mismatch in %s\n", #field); \
            return false; \
      } \
      CHECK_EQUAL(field.length); \
} while(0)

#define CHECK_TIMES_EQUAL(field) do { \
      if (labs(parm[0].field - parm[1].field) > time_skew() && \
          !ignore_pattern(#field)) { \
            current_op.mismatch = #field; \
            printf("Mismatch in %s - 0x%x 0x%x\n", #field, \
                   (int)parm[0].field, (int)parm[1].field); \
            return false; \
      } \
} while(0)

#define CHECK_NTTIMES_EQUAL(field) do { \
      if (labs(nt_time_to_unix(parm[0].field) - \
            nt_time_to_unix(parm[1].field)) > time_skew() && \
          !ignore_pattern(#field)) { \
            current_op.mismatch = #field; \
            printf("Mismatch in %s - 0x%x 0x%x\n", #field, \
                   (int)nt_time_to_unix(parm[0].field), \
                   (int)nt_time_to_unix(parm[1].field)); \
            return false; \
      } \
} while(0)


/*
  compare returned fileinfo structures
*/
static bool cmp_fileinfo(int instance, 
                   union smb_fileinfo parm[NSERVERS],
                   NTSTATUS status[NSERVERS])
{
      int i;
      enum smb_fileinfo_level level = parm[0].generic.level;

      if (level == RAW_FILEINFO_ALL_INFORMATION &&
          options.smb2) {
            level = RAW_FILEINFO_SMB2_ALL_INFORMATION;
      }

      switch (level) {
      case RAW_FILEINFO_GENERIC:
            return false;

      case RAW_FILEINFO_GETATTR:
            CHECK_ATTRIB(getattr.out.attrib);
            CHECK_EQUAL(getattr.out.size);
            CHECK_TIMES_EQUAL(getattr.out.write_time);
            break;

      case RAW_FILEINFO_GETATTRE:
            CHECK_TIMES_EQUAL(getattre.out.create_time);
            CHECK_TIMES_EQUAL(getattre.out.access_time);
            CHECK_TIMES_EQUAL(getattre.out.write_time);
            CHECK_EQUAL(getattre.out.size);
            CHECK_EQUAL(getattre.out.alloc_size);
            CHECK_ATTRIB(getattre.out.attrib);
            break;

      case RAW_FILEINFO_STANDARD:
            CHECK_TIMES_EQUAL(standard.out.create_time);
            CHECK_TIMES_EQUAL(standard.out.access_time);
            CHECK_TIMES_EQUAL(standard.out.write_time);
            CHECK_EQUAL(standard.out.size);
            CHECK_EQUAL(standard.out.alloc_size);
            CHECK_ATTRIB(standard.out.attrib);
            break;

      case RAW_FILEINFO_EA_SIZE:
            CHECK_TIMES_EQUAL(ea_size.out.create_time);
            CHECK_TIMES_EQUAL(ea_size.out.access_time);
            CHECK_TIMES_EQUAL(ea_size.out.write_time);
            CHECK_EQUAL(ea_size.out.size);
            CHECK_EQUAL(ea_size.out.alloc_size);
            CHECK_ATTRIB(ea_size.out.attrib);
            CHECK_EQUAL(ea_size.out.ea_size);
            break;

      case RAW_FILEINFO_ALL_EAS:
            CHECK_EQUAL(all_eas.out.num_eas);
            for (i=0;i<parm[0].all_eas.out.num_eas;i++) {
                  CHECK_EQUAL(all_eas.out.eas[i].flags);
                  CHECK_WSTR_EQUAL(all_eas.out.eas[i].name);
                  CHECK_BLOB_EQUAL(all_eas.out.eas[i].value);
            }
            break;

      case RAW_FILEINFO_IS_NAME_VALID:
            break;
            
      case RAW_FILEINFO_BASIC_INFO:
      case RAW_FILEINFO_BASIC_INFORMATION:
            CHECK_NTTIMES_EQUAL(basic_info.out.create_time);
            CHECK_NTTIMES_EQUAL(basic_info.out.access_time);
            CHECK_NTTIMES_EQUAL(basic_info.out.write_time);
            CHECK_NTTIMES_EQUAL(basic_info.out.change_time);
            CHECK_ATTRIB(basic_info.out.attrib);
            break;

      case RAW_FILEINFO_STANDARD_INFO:
      case RAW_FILEINFO_STANDARD_INFORMATION:
            CHECK_EQUAL(standard_info.out.alloc_size);
            CHECK_EQUAL(standard_info.out.size);
            CHECK_EQUAL(standard_info.out.nlink);
            CHECK_EQUAL(standard_info.out.delete_pending);
            CHECK_EQUAL(standard_info.out.directory);
            break;

      case RAW_FILEINFO_EA_INFO:
      case RAW_FILEINFO_EA_INFORMATION:
            CHECK_EQUAL(ea_info.out.ea_size);
            break;

      case RAW_FILEINFO_NAME_INFO:
      case RAW_FILEINFO_NAME_INFORMATION:
            CHECK_WSTR_EQUAL(name_info.out.fname);
            break;

      case RAW_FILEINFO_ALL_INFO:
      case RAW_FILEINFO_ALL_INFORMATION:
            CHECK_NTTIMES_EQUAL(all_info.out.create_time);
            CHECK_NTTIMES_EQUAL(all_info.out.access_time);
            CHECK_NTTIMES_EQUAL(all_info.out.write_time);
            CHECK_NTTIMES_EQUAL(all_info.out.change_time);
            CHECK_ATTRIB(all_info.out.attrib);
            CHECK_EQUAL(all_info.out.alloc_size);
            CHECK_EQUAL(all_info.out.size);
            CHECK_EQUAL(all_info.out.nlink);
            CHECK_EQUAL(all_info.out.delete_pending);
            CHECK_EQUAL(all_info.out.directory);
            CHECK_EQUAL(all_info.out.ea_size);
            CHECK_WSTR_EQUAL(all_info.out.fname);
            break;

      case RAW_FILEINFO_ALT_NAME_INFO:
      case RAW_FILEINFO_ALT_NAME_INFORMATION:
            CHECK_WSTR_EQUAL(alt_name_info.out.fname);
            break;

      case RAW_FILEINFO_STREAM_INFO:
      case RAW_FILEINFO_STREAM_INFORMATION:
            CHECK_EQUAL(stream_info.out.num_streams);
            for (i=0;i<parm[0].stream_info.out.num_streams;i++) {
                  CHECK_EQUAL(stream_info.out.streams[i].size);
                  CHECK_EQUAL(stream_info.out.streams[i].alloc_size);
                  CHECK_WSTR_EQUAL(stream_info.out.streams[i].stream_name);
            }
            break;

      case RAW_FILEINFO_COMPRESSION_INFO:
      case RAW_FILEINFO_COMPRESSION_INFORMATION:
            CHECK_EQUAL(compression_info.out.compressed_size);
            CHECK_EQUAL(compression_info.out.format);
            CHECK_EQUAL(compression_info.out.unit_shift);
            CHECK_EQUAL(compression_info.out.chunk_shift);
            CHECK_EQUAL(compression_info.out.cluster_shift);
            break;

      case RAW_FILEINFO_INTERNAL_INFORMATION:
            CHECK_EQUAL(internal_information.out.file_id);
            break;

      case RAW_FILEINFO_ACCESS_INFORMATION:
            CHECK_EQUAL(access_information.out.access_flags);
            break;

      case RAW_FILEINFO_POSITION_INFORMATION:
            CHECK_EQUAL(position_information.out.position);
            break;

      case RAW_FILEINFO_MODE_INFORMATION:
            CHECK_EQUAL(mode_information.out.mode);
            break;

      case RAW_FILEINFO_ALIGNMENT_INFORMATION:
            CHECK_EQUAL(alignment_information.out.alignment_requirement);
            break;

      case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
            CHECK_NTTIMES_EQUAL(network_open_information.out.create_time);
            CHECK_NTTIMES_EQUAL(network_open_information.out.access_time);
            CHECK_NTTIMES_EQUAL(network_open_information.out.write_time);
            CHECK_NTTIMES_EQUAL(network_open_information.out.change_time);
            CHECK_EQUAL(network_open_information.out.alloc_size);
            CHECK_EQUAL(network_open_information.out.size);
            CHECK_ATTRIB(network_open_information.out.attrib);
            break;

      case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
            CHECK_ATTRIB(attribute_tag_information.out.attrib);
            CHECK_EQUAL(attribute_tag_information.out.reparse_tag);
            break;

      case RAW_FILEINFO_SMB2_ALL_INFORMATION:
            CHECK_NTTIMES_EQUAL(all_info2.out.create_time);
            CHECK_NTTIMES_EQUAL(all_info2.out.access_time);
            CHECK_NTTIMES_EQUAL(all_info2.out.write_time);
            CHECK_NTTIMES_EQUAL(all_info2.out.change_time);
            CHECK_ATTRIB(all_info2.out.attrib);
            CHECK_EQUAL(all_info2.out.unknown1);
            CHECK_EQUAL(all_info2.out.alloc_size);
            CHECK_EQUAL(all_info2.out.size);
            CHECK_EQUAL(all_info2.out.nlink);
            CHECK_EQUAL(all_info2.out.delete_pending);
            CHECK_EQUAL(all_info2.out.directory);
            CHECK_EQUAL(all_info2.out.file_id);
            CHECK_EQUAL(all_info2.out.ea_size);
            CHECK_EQUAL(all_info2.out.access_mask);
            CHECK_EQUAL(all_info2.out.position);
            CHECK_EQUAL(all_info2.out.mode);
            CHECK_EQUAL(all_info2.out.alignment_requirement);
            CHECK_WSTR_EQUAL(all_info2.out.fname);
            break;

      case RAW_FILEINFO_SMB2_ALL_EAS:
            CHECK_EQUAL(all_eas.out.num_eas);
            for (i=0;i<parm[0].all_eas.out.num_eas;i++) {
                  CHECK_EQUAL(all_eas.out.eas[i].flags);
                  CHECK_WSTR_EQUAL(all_eas.out.eas[i].name);
                  CHECK_BLOB_EQUAL(all_eas.out.eas[i].value);
            }
            break;

      case RAW_FILEINFO_SEC_DESC:
            CHECK_SECDESC(query_secdesc.out.sd);
            break;

            /* Unhandled levels */
      case RAW_FILEINFO_EA_LIST:
      case RAW_FILEINFO_UNIX_BASIC:
      case RAW_FILEINFO_UNIX_LINK:
      case RAW_FILEINFO_UNIX_INFO2:
            break;
      }

      return true;
}



/*
  generate openx operations
*/
static bool handler_smb_openx(int instance)
{
      union smb_open parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].openx.level = RAW_OPEN_OPENX;
      parm[0].openx.in.flags = gen_openx_flags();
      parm[0].openx.in.open_mode = gen_openx_mode();
      parm[0].openx.in.search_attrs = gen_attrib();
      parm[0].openx.in.file_attrs = gen_attrib();
      parm[0].openx.in.write_time = gen_timet();
      parm[0].openx.in.open_func = gen_openx_func();
      parm[0].openx.in.size = gen_io_count();
      parm[0].openx.in.timeout = gen_timeout();
      parm[0].openx.in.fname = gen_fname_open(instance);

      if (!options.use_oplocks) {
            /* mask out oplocks */
            parm[0].openx.in.flags &= ~(OPENX_FLAGS_REQUEST_OPLOCK|
                                  OPENX_FLAGS_REQUEST_BATCH_OPLOCK);
      }
      
      GEN_COPY_PARM;
      GEN_CALL_SMB(smb_raw_open(tree, current_op.mem_ctx, &parm[i]));

      CHECK_ATTRIB(openx.out.attrib);
      CHECK_EQUAL(openx.out.size);
      CHECK_EQUAL(openx.out.access);
      CHECK_EQUAL(openx.out.ftype);
      CHECK_EQUAL(openx.out.devstate);
      CHECK_EQUAL(openx.out.action);
      CHECK_EQUAL(openx.out.access_mask);
      CHECK_EQUAL(openx.out.unknown);
      CHECK_TIMES_EQUAL(openx.out.write_time);

      /* open creates a new file handle */
      ADD_HANDLE_SMB(parm[0].openx.in.fname, openx.out.file.fnum);

      return true;
}


/*
  generate open operations
*/
static bool handler_smb_open(int instance)
{
      union smb_open parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].openold.level = RAW_OPEN_OPEN;
      parm[0].openold.in.open_mode = gen_bits_mask2(0xF, 0xFFFF);
      parm[0].openold.in.search_attrs = gen_attrib();
      parm[0].openold.in.fname = gen_fname_open(instance);

      if (!options.use_oplocks) {
            /* mask out oplocks */
            parm[0].openold.in.open_mode &= ~(OPENX_FLAGS_REQUEST_OPLOCK|
                                      OPENX_FLAGS_REQUEST_BATCH_OPLOCK);
      }
      
      GEN_COPY_PARM;
      GEN_CALL_SMB(smb_raw_open(tree, current_op.mem_ctx, &parm[i]));

      CHECK_ATTRIB(openold.out.attrib);
      CHECK_TIMES_EQUAL(openold.out.write_time);
      CHECK_EQUAL(openold.out.size);
      CHECK_EQUAL(openold.out.rmode);

      /* open creates a new file handle */
      ADD_HANDLE_SMB(parm[0].openold.in.fname, openold.out.file.fnum);

      return true;
}


/*
  generate ntcreatex operations
*/
static bool handler_smb_ntcreatex(int instance)
{
      union smb_open parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].ntcreatex.level = RAW_OPEN_NTCREATEX;
      parm[0].ntcreatex.in.flags = gen_ntcreatex_flags();
      parm[0].ntcreatex.in.root_fid.fnum = gen_root_fid(instance);
      parm[0].ntcreatex.in.access_mask = gen_access_mask();
      parm[0].ntcreatex.in.alloc_size = gen_alloc_size();
      parm[0].ntcreatex.in.file_attr = gen_attrib();
      parm[0].ntcreatex.in.share_access = gen_bits_mask2(0x7, 0xFFFFFFFF);
      parm[0].ntcreatex.in.open_disposition = gen_open_disp();
      parm[0].ntcreatex.in.create_options = gen_create_options();
      parm[0].ntcreatex.in.impersonation = gen_bits_mask2(0, 0xFFFFFFFF);
      parm[0].ntcreatex.in.security_flags = gen_bits_mask2(0, 0xFF);
      parm[0].ntcreatex.in.fname = gen_fname_open(instance);

      if (!options.use_oplocks) {
            /* mask out oplocks */
            parm[0].ntcreatex.in.flags &= ~(NTCREATEX_FLAGS_REQUEST_OPLOCK|
                                    NTCREATEX_FLAGS_REQUEST_BATCH_OPLOCK);
      }
      
      GEN_COPY_PARM;
      if (parm[0].ntcreatex.in.root_fid.fnum != 0) {
            GEN_SET_FNUM_SMB(ntcreatex.in.root_fid.fnum);
      }
      GEN_CALL_SMB(smb_raw_open(tree, current_op.mem_ctx, &parm[i]));

      CHECK_EQUAL(ntcreatex.out.oplock_level);
      CHECK_EQUAL(ntcreatex.out.create_action);
      CHECK_NTTIMES_EQUAL(ntcreatex.out.create_time);
      CHECK_NTTIMES_EQUAL(ntcreatex.out.access_time);
      CHECK_NTTIMES_EQUAL(ntcreatex.out.write_time);
      CHECK_NTTIMES_EQUAL(ntcreatex.out.change_time);
      CHECK_ATTRIB(ntcreatex.out.attrib);
      CHECK_EQUAL(ntcreatex.out.alloc_size);
      CHECK_EQUAL(ntcreatex.out.size);
      CHECK_EQUAL(ntcreatex.out.file_type);
      CHECK_EQUAL(ntcreatex.out.ipc_state);
      CHECK_EQUAL(ntcreatex.out.is_directory);

      /* ntcreatex creates a new file handle */
      ADD_HANDLE_SMB(parm[0].ntcreatex.in.fname, ntcreatex.out.file.fnum);

      return true;
}

/*
  generate close operations
*/
static bool handler_smb_close(int instance)
{
      union smb_close parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].close.level = RAW_CLOSE_CLOSE;
      parm[0].close.in.file.fnum = gen_fnum_close(instance);
      parm[0].close.in.write_time = gen_timet();

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB(close.in.file.fnum);
      GEN_CALL_SMB(smb_raw_close(tree, &parm[i]));

      REMOVE_HANDLE_SMB(close.in.file.fnum);

      return true;
}

/*
  generate unlink operations
*/
static bool handler_smb_unlink(int instance)
{
      union smb_unlink parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].unlink.in.pattern = gen_pattern();
      parm[0].unlink.in.attrib = gen_attrib();

      GEN_COPY_PARM;
      GEN_CALL_SMB(smb_raw_unlink(tree, &parm[i]));

      return true;
}

/*
  generate chkpath operations
*/
static bool handler_smb_chkpath(int instance)
{
      union smb_chkpath parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].chkpath.in.path = gen_fname_open(instance);

      GEN_COPY_PARM;
      GEN_CALL_SMB(smb_raw_chkpath(tree, &parm[i]));

      return true;
}

/*
  generate mkdir operations
*/
static bool handler_smb_mkdir(int instance)
{
      union smb_mkdir parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].mkdir.level = RAW_MKDIR_MKDIR;
      parm[0].mkdir.in.path = gen_fname_open(instance);

      GEN_COPY_PARM;
      GEN_CALL_SMB(smb_raw_mkdir(tree, &parm[i]));

      return true;
}

/*
  generate rmdir operations
*/
static bool handler_smb_rmdir(int instance)
{
      struct smb_rmdir parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].in.path = gen_fname_open(instance);

      GEN_COPY_PARM;
      GEN_CALL_SMB(smb_raw_rmdir(tree, &parm[i]));

      return true;
}

/*
  generate rename operations
*/
static bool handler_smb_rename(int instance)
{
      union smb_rename parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].generic.level = RAW_RENAME_RENAME;
      parm[0].rename.in.pattern1 = gen_pattern();
      parm[0].rename.in.pattern2 = gen_pattern();
      parm[0].rename.in.attrib = gen_attrib();

      GEN_COPY_PARM;
      GEN_CALL_SMB(smb_raw_rename(tree, &parm[i]));

      return true;
}

/*
  generate ntrename operations
*/
static bool handler_smb_ntrename(int instance)
{
      union smb_rename parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].generic.level = RAW_RENAME_NTRENAME;
      parm[0].ntrename.in.old_name = gen_fname();
      parm[0].ntrename.in.new_name = gen_fname();
      parm[0].ntrename.in.attrib = gen_attrib();
      parm[0].ntrename.in.cluster_size = gen_bits_mask2(0, 0xFFFFFFF);
      parm[0].ntrename.in.flags = gen_rename_flags();

      GEN_COPY_PARM;
      GEN_CALL_SMB(smb_raw_rename(tree, &parm[i]));

      return true;
}


/*
  generate seek operations
*/
static bool handler_smb_seek(int instance)
{
      union smb_seek parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].lseek.in.file.fnum = gen_fnum(instance);
      parm[0].lseek.in.mode = gen_bits_mask2(0x3, 0xFFFF);
      parm[0].lseek.in.offset = gen_offset();

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB(lseek.in.file.fnum);
      GEN_CALL_SMB(smb_raw_seek(tree, &parm[i]));

      CHECK_EQUAL(lseek.out.offset);

      return true;
}


/*
  generate readx operations
*/
static bool handler_smb_readx(int instance)
{
      union smb_read parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].readx.level = RAW_READ_READX;
      parm[0].readx.in.file.fnum = gen_fnum(instance);
      parm[0].readx.in.offset = gen_offset();
      parm[0].readx.in.mincnt = gen_io_count();
      parm[0].readx.in.maxcnt = gen_io_count();
      parm[0].readx.in.remaining = gen_io_count();
      parm[0].readx.in.read_for_execute = gen_bool();
      parm[0].readx.out.data = talloc_array(current_op.mem_ctx, uint8_t,
                                   MAX(parm[0].readx.in.mincnt, parm[0].readx.in.maxcnt));

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB(readx.in.file.fnum);
      GEN_CALL_SMB(smb_raw_read(tree, &parm[i]));

      CHECK_EQUAL(readx.out.remaining);
      CHECK_EQUAL(readx.out.compaction_mode);
      CHECK_EQUAL(readx.out.nread);

      return true;
}

/*
  generate writex operations
*/
static bool handler_smb_writex(int instance)
{
      union smb_write parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].writex.level = RAW_WRITE_WRITEX;
      parm[0].writex.in.file.fnum = gen_fnum(instance);
      parm[0].writex.in.offset = gen_offset();
      parm[0].writex.in.wmode = gen_bits_mask(0xFFFF);
      parm[0].writex.in.remaining = gen_io_count();
      parm[0].writex.in.count = gen_io_count();
      parm[0].writex.in.data = talloc_zero_array(current_op.mem_ctx, uint8_t, parm[0].writex.in.count);

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB(writex.in.file.fnum);
      GEN_CALL_SMB(smb_raw_write(tree, &parm[i]));

      CHECK_EQUAL(writex.out.nwritten);
      CHECK_EQUAL(writex.out.remaining);

      return true;
}

/*
  generate lockingx operations
*/
static bool handler_smb_lockingx(int instance)
{
      union smb_lock parm[NSERVERS];
      NTSTATUS status[NSERVERS];
      int n, nlocks;

      parm[0].lockx.level = RAW_LOCK_LOCKX;
      parm[0].lockx.in.file.fnum = gen_fnum(instance);
      parm[0].lockx.in.mode = gen_lock_mode();
      parm[0].lockx.in.timeout = gen_timeout();
      do {
            /* make sure we don't accidentially generate an oplock
               break ack - otherwise the server can just block forever */
            parm[0].lockx.in.ulock_cnt = gen_lock_count();
            parm[0].lockx.in.lock_cnt = gen_lock_count();
            nlocks = parm[0].lockx.in.ulock_cnt + parm[0].lockx.in.lock_cnt;
      } while (nlocks == 0);

      if (nlocks > 0) {
            parm[0].lockx.in.locks = talloc_array(current_op.mem_ctx,
                                          struct smb_lock_entry,
                                          nlocks);
            for (n=0;n<nlocks;n++) {
                  parm[0].lockx.in.locks[n].pid = gen_pid();
                  parm[0].lockx.in.locks[n].offset = gen_offset();
                  parm[0].lockx.in.locks[n].count = gen_io_count();
            }
      }

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB(lockx.in.file.fnum);
      GEN_CALL_SMB(smb_raw_lock(tree, &parm[i]));

      return true;
}

#if 0
/*
  generate a fileinfo query structure
*/
static void gen_setfileinfo(int instance, union smb_setfileinfo *info)
{
      int i;
      #undef LVL
      #define LVL(v) {RAW_SFILEINFO_ ## v, "RAW_SFILEINFO_" #v}
      struct {
            enum smb_setfileinfo_level level;
            const char *name;
      }  levels[] = {
#if 0
            /* disabled until win2003 can handle them ... */
            LVL(EA_SET), LVL(BASIC_INFO), LVL(DISPOSITION_INFO), 
            LVL(STANDARD), LVL(ALLOCATION_INFO), LVL(END_OF_FILE_INFO), 
#endif
            LVL(SETATTR), LVL(SETATTRE), LVL(BASIC_INFORMATION),
            LVL(RENAME_INFORMATION), LVL(DISPOSITION_INFORMATION), 
            LVL(POSITION_INFORMATION), LVL(MODE_INFORMATION),
            LVL(ALLOCATION_INFORMATION), LVL(END_OF_FILE_INFORMATION), 
            LVL(1023), LVL(1025), LVL(1029), LVL(1032), LVL(1039), LVL(1040)
      };
      do {
            i = gen_int_range(0, ARRAY_SIZE(levels)-1);
      } while (ignore_pattern(levels[i].name));

      info->generic.level = levels[i].level;

      switch (info->generic.level) {
      case RAW_SFILEINFO_SETATTR:
            info->setattr.in.attrib = gen_attrib();
            info->setattr.in.write_time = gen_timet();
            break;
      case RAW_SFILEINFO_SETATTRE:
            info->setattre.in.create_time = gen_timet();
            info->setattre.in.access_time = gen_timet();
            info->setattre.in.write_time = gen_timet();
            break;
      case RAW_SFILEINFO_STANDARD:
            info->standard.in.create_time = gen_timet();
            info->standard.in.access_time = gen_timet();
            info->standard.in.write_time = gen_timet();
            break;
      case RAW_SFILEINFO_EA_SET: {
            static struct ea_struct ea;
            info->ea_set.in.num_eas = 1;
            info->ea_set.in.eas = &ea;
            info->ea_set.in.eas[0] = gen_ea_struct();
      }
            break;
      case RAW_SFILEINFO_BASIC_INFO:
      case RAW_SFILEINFO_BASIC_INFORMATION:
            info->basic_info.in.create_time = gen_nttime();
            info->basic_info.in.access_time = gen_nttime();
            info->basic_info.in.write_time = gen_nttime();
            info->basic_info.in.change_time = gen_nttime();
            info->basic_info.in.attrib = gen_attrib();
            break;
      case RAW_SFILEINFO_DISPOSITION_INFO:
      case RAW_SFILEINFO_DISPOSITION_INFORMATION:
            info->disposition_info.in.delete_on_close = gen_bool();
            break;
      case RAW_SFILEINFO_ALLOCATION_INFO:
      case RAW_SFILEINFO_ALLOCATION_INFORMATION:
            info->allocation_info.in.alloc_size = gen_alloc_size();
            break;
      case RAW_SFILEINFO_END_OF_FILE_INFO:
      case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
            info->end_of_file_info.in.size = gen_offset();
            break;
      case RAW_SFILEINFO_RENAME_INFORMATION:
      case RAW_SFILEINFO_RENAME_INFORMATION_SMB2:
            info->rename_information.in.overwrite = gen_bool();
            info->rename_information.in.root_fid = gen_root_fid(instance);
            info->rename_information.in.new_name = gen_fname_open(instance);
            break;
      case RAW_SFILEINFO_POSITION_INFORMATION:
            info->position_information.in.position = gen_offset();
            break;
      case RAW_SFILEINFO_MODE_INFORMATION:
            info->mode_information.in.mode = gen_bits_mask(0xFFFFFFFF);
            break;
      case RAW_SFILEINFO_FULL_EA_INFORMATION:
            info->full_ea_information.in.eas = gen_ea_list();
            break;
      case RAW_SFILEINFO_GENERIC:
      case RAW_SFILEINFO_SEC_DESC:
      case RAW_SFILEINFO_UNIX_BASIC:
      case RAW_SFILEINFO_UNIX_LINK:
      case RAW_SFILEINFO_UNIX_HLINK:
      case RAW_SFILEINFO_1023:
      case RAW_SFILEINFO_1025:
      case RAW_SFILEINFO_1029:
      case RAW_SFILEINFO_1032:
      case RAW_SFILEINFO_1039:
      case RAW_SFILEINFO_1040:
      case RAW_SFILEINFO_UNIX_INFO2:
            /* Untested */
            break;
      }
}
#endif

/*
  generate a fileinfo query structure
*/
static void gen_setfileinfo(int instance, union smb_setfileinfo *info)
{
      int i;
      #undef LVL
      #define LVL(v) {RAW_SFILEINFO_ ## v, "RAW_SFILEINFO_" #v}
      struct levels {
            enum smb_setfileinfo_level level;
            const char *name;
      };
      struct levels smb_levels[] = {
            LVL(EA_SET), LVL(BASIC_INFO), LVL(DISPOSITION_INFO), 
            LVL(STANDARD), LVL(ALLOCATION_INFO), LVL(END_OF_FILE_INFO), 
            LVL(SETATTR), LVL(SETATTRE), LVL(BASIC_INFORMATION),
            LVL(RENAME_INFORMATION), LVL(DISPOSITION_INFORMATION), 
            LVL(POSITION_INFORMATION), LVL(FULL_EA_INFORMATION), LVL(MODE_INFORMATION),
            LVL(ALLOCATION_INFORMATION), LVL(END_OF_FILE_INFORMATION), 
            LVL(PIPE_INFORMATION), LVL(VALID_DATA_INFORMATION), LVL(SHORT_NAME_INFORMATION), 
            LVL(1025), LVL(1027), LVL(1029), LVL(1030), LVL(1031), LVL(1032), LVL(1036),
            LVL(1041), LVL(1042), LVL(1043), LVL(1044),
      };
      struct levels smb2_levels[] = {
            LVL(BASIC_INFORMATION),
            LVL(RENAME_INFORMATION), LVL(DISPOSITION_INFORMATION), 
            LVL(POSITION_INFORMATION), LVL(FULL_EA_INFORMATION), LVL(MODE_INFORMATION),
            LVL(ALLOCATION_INFORMATION), LVL(END_OF_FILE_INFORMATION), 
            LVL(PIPE_INFORMATION), LVL(VALID_DATA_INFORMATION), LVL(SHORT_NAME_INFORMATION), 
            LVL(1025), LVL(1027), LVL(1029), LVL(1030), LVL(1031), LVL(1032), LVL(1036),
            LVL(1041), LVL(1042), LVL(1043), LVL(1044),
      };
      struct levels *levels = options.smb2?smb2_levels:smb_levels;
      uint32_t num_levels = options.smb2?ARRAY_SIZE(smb2_levels):ARRAY_SIZE(smb_levels);

      do {
            i = gen_int_range(0, num_levels-1);
      } while (ignore_pattern(levels[i].name));

      ZERO_STRUCTP(info);
      info->generic.level = levels[i].level;

      switch (info->generic.level) {
      case RAW_SFILEINFO_SETATTR:
            info->setattr.in.attrib = gen_attrib();
            info->setattr.in.write_time = gen_timet();
            break;
      case RAW_SFILEINFO_SETATTRE:
            info->setattre.in.create_time = gen_timet();
            info->setattre.in.access_time = gen_timet();
            info->setattre.in.write_time = gen_timet();
            break;
      case RAW_SFILEINFO_STANDARD:
            info->standard.in.create_time = gen_timet();
            info->standard.in.access_time = gen_timet();
            info->standard.in.write_time = gen_timet();
            break;
      case RAW_SFILEINFO_EA_SET: {
            static struct ea_struct ea;
            info->ea_set.in.num_eas = 1;
            info->ea_set.in.eas = &ea;
            info->ea_set.in.eas[0] = gen_ea_struct();
            break;
      }
      case RAW_SFILEINFO_BASIC_INFO:
      case RAW_SFILEINFO_BASIC_INFORMATION:
            info->basic_info.in.create_time = gen_nttime();
            info->basic_info.in.access_time = gen_nttime();
            info->basic_info.in.write_time = gen_nttime();
            info->basic_info.in.change_time = gen_nttime();
            info->basic_info.in.attrib = gen_attrib();
            break;
      case RAW_SFILEINFO_DISPOSITION_INFO:
      case RAW_SFILEINFO_DISPOSITION_INFORMATION:
            info->disposition_info.in.delete_on_close = gen_bool();
            break;
      case RAW_SFILEINFO_ALLOCATION_INFO:
      case RAW_SFILEINFO_ALLOCATION_INFORMATION:
            info->allocation_info.in.alloc_size = gen_alloc_size();
            break;
      case RAW_SFILEINFO_END_OF_FILE_INFO:
      case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
            info->end_of_file_info.in.size = gen_offset();
            break;
      case RAW_SFILEINFO_RENAME_INFORMATION:
      case RAW_SFILEINFO_RENAME_INFORMATION_SMB2:
            info->rename_information.in.overwrite = gen_bool();
            info->rename_information.in.root_fid = gen_root_fid(instance);
            info->rename_information.in.new_name = gen_fname_open(instance);
            break;
      case RAW_SFILEINFO_POSITION_INFORMATION:
            info->position_information.in.position = gen_offset();
            break;
      case RAW_SFILEINFO_MODE_INFORMATION:
            info->mode_information.in.mode = gen_bits_mask(0xFFFFFFFF);
            break;
      case RAW_SFILEINFO_FULL_EA_INFORMATION:
            info->full_ea_information.in.eas = gen_ea_list();
            break;

      case RAW_SFILEINFO_GENERIC:
      case RAW_SFILEINFO_SEC_DESC:
      case RAW_SFILEINFO_1025:
      case RAW_SFILEINFO_1029:
      case RAW_SFILEINFO_1032:
      case RAW_SFILEINFO_UNIX_BASIC:
      case RAW_SFILEINFO_UNIX_INFO2:
      case RAW_SFILEINFO_UNIX_LINK:
      case RAW_SFILEINFO_UNIX_HLINK:
            /* Untested */
            break;
      }
}



/*
  generate a fileinfo query structure
*/
static void gen_fileinfo_smb(int instance, union smb_fileinfo *info)
{
      int i;
      #undef LVL
      #define LVL(v) {RAW_FILEINFO_ ## v, "RAW_FILEINFO_" #v}
      struct {
            enum smb_fileinfo_level level;
            const char *name;
      }  levels[] = {
            LVL(GETATTR), LVL(GETATTRE), LVL(STANDARD),
            LVL(EA_SIZE), LVL(ALL_EAS), LVL(IS_NAME_VALID),
            LVL(BASIC_INFO), LVL(STANDARD_INFO), LVL(EA_INFO),
            LVL(NAME_INFO), LVL(ALL_INFO), LVL(ALT_NAME_INFO),
            LVL(STREAM_INFO), LVL(COMPRESSION_INFO), LVL(BASIC_INFORMATION),
            LVL(STANDARD_INFORMATION), LVL(INTERNAL_INFORMATION), LVL(EA_INFORMATION),
            LVL(ACCESS_INFORMATION), LVL(NAME_INFORMATION), LVL(POSITION_INFORMATION),
            LVL(MODE_INFORMATION), LVL(ALIGNMENT_INFORMATION), LVL(ALL_INFORMATION),
            LVL(ALT_NAME_INFORMATION), LVL(STREAM_INFORMATION), LVL(COMPRESSION_INFORMATION),
            LVL(NETWORK_OPEN_INFORMATION), LVL(ATTRIBUTE_TAG_INFORMATION)
      };
      do {
            i = gen_int_range(0, ARRAY_SIZE(levels)-1);
      } while (ignore_pattern(levels[i].name));

      info->generic.level = levels[i].level;
}

/*
  generate qpathinfo operations
*/
static bool handler_smb_qpathinfo(int instance)
{
      union smb_fileinfo parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].generic.in.file.path = gen_fname_open(instance);

      gen_fileinfo_smb(instance, &parm[0]);

      GEN_COPY_PARM;
      GEN_CALL_SMB(smb_raw_pathinfo(tree, current_op.mem_ctx, &parm[i]));

      return cmp_fileinfo(instance, parm, status);
}

/*
  generate qfileinfo operations
*/
static bool handler_smb_qfileinfo(int instance)
{
      union smb_fileinfo parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].generic.in.file.fnum = gen_fnum(instance);

      gen_fileinfo_smb(instance, &parm[0]);

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB(generic.in.file.fnum);
      GEN_CALL_SMB(smb_raw_fileinfo(tree, current_op.mem_ctx, &parm[i]));

      return cmp_fileinfo(instance, parm, status);
}


/*
  generate setpathinfo operations
*/
static bool handler_smb_spathinfo(int instance)
{
      union smb_setfileinfo parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      gen_setfileinfo(instance, &parm[0]);
      parm[0].generic.in.file.path = gen_fname_open(instance);

      GEN_COPY_PARM;

      /* a special case for the fid in a RENAME */
      if (parm[0].generic.level == RAW_SFILEINFO_RENAME_INFORMATION &&
          parm[0].rename_information.in.root_fid != 0) {
            GEN_SET_FNUM_SMB(rename_information.in.root_fid);
      }

      GEN_CALL_SMB(smb_raw_setpathinfo(tree, &parm[i]));

      return true;
}


/*
  generate setfileinfo operations
*/
static bool handler_smb_sfileinfo(int instance)
{
      union smb_setfileinfo parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].generic.in.file.fnum = gen_fnum(instance);

      gen_setfileinfo(instance, &parm[0]);

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB(generic.in.file.fnum);
      GEN_CALL_SMB(smb_raw_setfileinfo(tree, &parm[i]));

      return true;
}


/*
  this is called when a change notify reply comes in
*/
static void async_notify_smb(struct smbcli_request *req)
{
      union smb_notify notify;
      NTSTATUS status;
      int i, j;
      uint16_t tid;
      struct smbcli_transport *transport = req->transport;

      tid = SVAL(req->in.hdr, HDR_TID);

      notify.nttrans.level = RAW_NOTIFY_NTTRANS;
      status = smb_raw_changenotify_recv(req, current_op.mem_ctx, &notify);
      if (NT_STATUS_IS_OK(status) && notify.nttrans.out.num_changes > 0) {
            printf("notify tid=%d num_changes=%d action=%d name=%s\n", 
                   tid, 
                   notify.nttrans.out.num_changes,
                   notify.nttrans.out.changes[0].action,
                   notify.nttrans.out.changes[0].name.s);
      }

      for (i=0;i<NSERVERS;i++) {
            for (j=0;j<NINSTANCES;j++) {
                  if (transport == servers[i].smb_tree[j]->session->transport &&
                      tid == servers[i].smb_tree[j]->tid) {
                        notifies[i][j].notify_count++;
                        notifies[i][j].status = status;
                        notifies[i][j].notify = notify;
                  }
            }
      }
}

/*
  generate change notify operations
*/
static bool handler_smb_notify(int instance)
{
      union smb_notify parm[NSERVERS];
      int n;

      ZERO_STRUCT(parm[0]);
      parm[0].nttrans.level               = RAW_NOTIFY_NTTRANS;
      parm[0].nttrans.in.buffer_size            = gen_io_count();
      parm[0].nttrans.in.completion_filter      = gen_bits_mask(0xFF);
      parm[0].nttrans.in.file.fnum        = gen_fnum(instance);
      parm[0].nttrans.in.recursive        = gen_bool();

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB(nttrans.in.file.fnum);

      for (n=0;n<NSERVERS;n++) {
            struct smbcli_request *req;
            req = smb_raw_changenotify_send(servers[n].smb_tree[instance], &parm[n]);
            req->async.fn = async_notify_smb;
      }

      return true;
}


/*
  generate ntcreatex operations
*/
static bool handler_smb2_create(int instance)
{
      struct smb2_create parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      ZERO_STRUCT(parm[0]);
      parm[0].in.security_flags             = gen_bits_levels(3, 90, 0x0, 70, 0x3, 100, 0xFF);
      parm[0].in.oplock_level               = gen_bits_levels(3, 90, 0x0, 70, 0x9, 100, 0xFF);
      parm[0].in.impersonation_level        = gen_bits_levels(3, 90, 0x0, 70, 0x3, 100, 0xFFFFFFFF);
      parm[0].in.create_flags               = gen_reserved64();
      parm[0].in.reserved                   = gen_reserved64();
      parm[0].in.desired_access             = gen_access_mask();
      parm[0].in.file_attributes            = gen_attrib();
      parm[0].in.share_access               = gen_bits_mask2(0x7, 0xFFFFFFFF);
      parm[0].in.create_disposition         = gen_open_disp();
      parm[0].in.create_options             = gen_create_options();
      parm[0].in.fname                      = gen_fname_open(instance);
      parm[0].in.eas                      = gen_ea_list();
      parm[0].in.alloc_size               = gen_alloc_size();
      parm[0].in.durable_open             = gen_bool();
      parm[0].in.query_maximal_access           = gen_bool();
      parm[0].in.timewarp                 = gen_timewarp();
      parm[0].in.query_on_disk_id         = gen_bool();
      parm[0].in.sec_desc                 = gen_sec_desc();

      if (!options.use_oplocks) {
            /* mask out oplocks */
            parm[0].in.oplock_level = 0;
      }

      if (options.valid) {
            parm[0].in.security_flags   &= 3;
            parm[0].in.oplock_level     &= 9;
            parm[0].in.impersonation_level &= 3;
      }

      GEN_COPY_PARM;
      GEN_CALL_SMB2(smb2_create(tree, current_op.mem_ctx, &parm[i]));

      CHECK_EQUAL(out.oplock_level);
      CHECK_EQUAL(out.reserved);
      CHECK_EQUAL(out.create_action);
      CHECK_NTTIMES_EQUAL(out.create_time);
      CHECK_NTTIMES_EQUAL(out.access_time);
      CHECK_NTTIMES_EQUAL(out.write_time);
      CHECK_NTTIMES_EQUAL(out.change_time);
      CHECK_EQUAL(out.alloc_size);
      CHECK_EQUAL(out.size);
      CHECK_ATTRIB(out.file_attr);
      CHECK_EQUAL(out.reserved2);
      CHECK_EQUAL(out.maximal_access);

      /* ntcreatex creates a new file handle */
      ADD_HANDLE_SMB2(parm[0].in.fname, out.file.handle);

      return true;
}

/*
  generate close operations
*/
static bool handler_smb2_close(int instance)
{
      struct smb2_close parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      ZERO_STRUCT(parm[0]);
      parm[0].in.file.handle.data[0] = gen_fnum_close(instance);
      parm[0].in.flags               = gen_bits_mask2(0x1, 0xFFFF);

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB2(in.file.handle);
      GEN_CALL_SMB2(smb2_close(tree, &parm[i]));

      CHECK_EQUAL(out.flags);
      CHECK_EQUAL(out._pad);
      CHECK_NTTIMES_EQUAL(out.create_time);
      CHECK_NTTIMES_EQUAL(out.access_time);
      CHECK_NTTIMES_EQUAL(out.write_time);
      CHECK_NTTIMES_EQUAL(out.change_time);
      CHECK_EQUAL(out.alloc_size);
      CHECK_EQUAL(out.size);
      CHECK_ATTRIB(out.file_attr);

      REMOVE_HANDLE_SMB2(in.file.handle);

      return true;
}

/*
  generate read operations
*/
static bool handler_smb2_read(int instance)
{
      struct smb2_read parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].in.file.handle.data[0] = gen_fnum(instance);
      parm[0].in.reserved    = gen_reserved8();
      parm[0].in.length      = gen_io_count();
      parm[0].in.offset      = gen_offset();
      parm[0].in.min_count   = gen_io_count();
      parm[0].in.channel     = gen_bits_mask2(0x0, 0xFFFFFFFF);
      parm[0].in.remaining   = gen_bits_mask2(0x0, 0xFFFFFFFF);
      parm[0].in.channel_offset = gen_bits_mask2(0x0, 0xFFFF);
      parm[0].in.channel_length = gen_bits_mask2(0x0, 0xFFFF);

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB2(in.file.handle);
      GEN_CALL_SMB2(smb2_read(tree, current_op.mem_ctx, &parm[i]));

      CHECK_EQUAL(out.remaining);
      CHECK_EQUAL(out.reserved);
      CHECK_EQUAL(out.data.length);

      return true;
}

/*
  generate write operations
*/
static bool handler_smb2_write(int instance)
{
      struct smb2_write parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].in.file.handle.data[0] = gen_fnum(instance);
      parm[0].in.offset = gen_offset();
      parm[0].in.unknown1 = gen_bits_mask2(0, 0xFFFFFFFF);
      parm[0].in.unknown2 = gen_bits_mask2(0, 0xFFFFFFFF);
      parm[0].in.data = data_blob_talloc(current_op.mem_ctx, NULL,
                                  gen_io_count());

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB2(in.file.handle);
      GEN_CALL_SMB2(smb2_write(tree, &parm[i]));

      CHECK_EQUAL(out._pad);
      CHECK_EQUAL(out.nwritten);
      CHECK_EQUAL(out.unknown1);

      return true;
}

/*
  generate lockingx operations
*/
static bool handler_smb2_lock(int instance)
{
      struct smb2_lock parm[NSERVERS];
      NTSTATUS status[NSERVERS];
      int n;

      parm[0].level = RAW_LOCK_LOCKX;
      parm[0].in.file.handle.data[0] = gen_fnum(instance);
      parm[0].in.lock_count = gen_lock_count();
      parm[0].in.lock_sequence = gen_reserved32();
      
      parm[0].in.locks = talloc_array(current_op.mem_ctx,
                              struct smb2_lock_element,
                              parm[0].in.lock_count);
      for (n=0;n<parm[0].in.lock_count;n++) {
            parm[0].in.locks[n].offset = gen_offset();
            parm[0].in.locks[n].length = gen_io_count();
            /* don't yet cope with async replies */
            parm[0].in.locks[n].flags  = gen_lock_flags_smb2() | 
                  SMB2_LOCK_FLAG_FAIL_IMMEDIATELY;
            parm[0].in.locks[n].reserved = gen_bits_mask2(0x0, 0xFFFFFFFF);
      }

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB2(in.file.handle);
      GEN_CALL_SMB2(smb2_lock(tree, &parm[i]));

      return true;
}

/*
  generate flush operations
*/
static bool handler_smb2_flush(int instance)
{
      struct smb2_flush parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      ZERO_STRUCT(parm[0]);
      parm[0].in.file.handle.data[0] = gen_fnum(instance);
      parm[0].in.reserved1  = gen_reserved16();
      parm[0].in.reserved2  = gen_reserved32();

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB2(in.file.handle);
      GEN_CALL_SMB2(smb2_flush(tree, &parm[i]));

      CHECK_EQUAL(out.reserved);

      return true;
}

/*
  generate echo operations
*/
static bool handler_smb2_echo(int instance)
{
      NTSTATUS status[NSERVERS];

      GEN_CALL_SMB2(smb2_keepalive(tree->session->transport));

      return true;
}



/*
  generate a fileinfo query structure
*/
static void gen_fileinfo_smb2(int instance, union smb_fileinfo *info)
{
      int i;
      #define LVL(v) {RAW_FILEINFO_ ## v, "RAW_FILEINFO_" #v}
      struct {
            enum smb_fileinfo_level level;
            const char *name;
      }  levels[] = {
            LVL(BASIC_INFORMATION),
            LVL(STANDARD_INFORMATION), LVL(INTERNAL_INFORMATION), LVL(EA_INFORMATION),
            LVL(ACCESS_INFORMATION), LVL(NAME_INFORMATION), LVL(POSITION_INFORMATION),
            LVL(MODE_INFORMATION), LVL(ALIGNMENT_INFORMATION), LVL(SMB2_ALL_INFORMATION),
            LVL(ALT_NAME_INFORMATION), LVL(STREAM_INFORMATION), LVL(COMPRESSION_INFORMATION),
            LVL(NETWORK_OPEN_INFORMATION), LVL(ATTRIBUTE_TAG_INFORMATION),
            LVL(SMB2_ALL_EAS), LVL(SMB2_ALL_INFORMATION), LVL(SEC_DESC),
      };
      do {
            i = gen_int_range(0, ARRAY_SIZE(levels)-1);
      } while (ignore_pattern(levels[i].name));

      info->generic.level = levels[i].level;
}

/*
  generate qfileinfo operations
*/
static bool handler_smb2_qfileinfo(int instance)
{
      union smb_fileinfo parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      parm[0].generic.in.file.handle.data[0] = gen_fnum(instance);

      gen_fileinfo_smb2(instance, &parm[0]);

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB2(generic.in.file.handle);
      GEN_CALL_SMB2(smb2_getinfo_file(tree, current_op.mem_ctx, &parm[i]));

      return cmp_fileinfo(instance, parm, status);
}


/*
  generate setfileinfo operations
*/
static bool handler_smb2_sfileinfo(int instance)
{
      union smb_setfileinfo parm[NSERVERS];
      NTSTATUS status[NSERVERS];

      gen_setfileinfo(instance, &parm[0]);
      parm[0].generic.in.file.fnum = gen_fnum(instance);

      GEN_COPY_PARM;
      GEN_SET_FNUM_SMB2(generic.in.file.handle);
      GEN_CALL_SMB2(smb2_setinfo_file(tree, &parm[i]));

      return true;
}

/*
  wipe any relevant files
*/
static void wipe_files(void)
{
      int i;
      NTSTATUS status;

      if (options.skip_cleanup) {
            return;
      }

      for (i=0;i<NSERVERS;i++) {
            int n;
            if (options.smb2) {
                  n = smb2_deltree(servers[i].smb2_tree[0], "gentest");
            } else {
                  n = smbcli_deltree(servers[i].smb_tree[0], "gentest");
            }
            if (n == -1) {
                  printf("Failed to wipe tree on server %d\n", i);
                  exit(1);
            }
            if (options.smb2) {
                  status = smb2_util_mkdir(servers[i].smb2_tree[0], "gentest");
            } else {
                  status = smbcli_mkdir(servers[i].smb_tree[0], "gentest");
            }
            if (NT_STATUS_IS_ERR(status)) {
                  printf("Failed to create gentest on server %d - %s\n", i, nt_errstr(status));
                  exit(1);
            }
            if (n > 0) {
                  printf("Deleted %d files on server %d\n", n, i);
            }
      }
}

/*
  dump the current seeds - useful for continuing a backtrack
*/
static void dump_seeds(void)
{
      int i;
      FILE *f;

      if (!options.seeds_file) {
            return;
      }
      f = fopen("seeds.tmp", "w");
      if (!f) return;

      for (i=0;i<options.numops;i++) {
            fprintf(f, "%u\n", op_parms[i].seed);
      }
      fclose(f);
      rename("seeds.tmp", options.seeds_file);
}



/*
  the list of top-level operations that we will generate
*/
static struct {
      const char *name;
      bool (*handler)(int instance);
      bool smb2;
      int count, success_count;
} gen_ops[] = {
      {"CREATE",     handler_smb2_create,     true},
      {"CLOSE",      handler_smb2_close,      true},
      {"READ",       handler_smb2_read,       true},
      {"WRITE",      handler_smb2_write,      true},
      {"LOCK",       handler_smb2_lock,       true},
      {"FLUSH",      handler_smb2_flush,      true},
      {"ECHO",       handler_smb2_echo,       true},
      {"QFILEINFO",  handler_smb2_qfileinfo,  true},
      {"SFILEINFO",  handler_smb2_sfileinfo,  true},

      {"OPEN",       handler_smb_open,        false},
      {"OPENX",      handler_smb_openx,       false},
      {"NTCREATEX",  handler_smb_ntcreatex,   false},
      {"CLOSE",      handler_smb_close,       false},
      {"UNLINK",     handler_smb_unlink,      false},
      {"MKDIR",      handler_smb_mkdir,       false},
      {"RMDIR",      handler_smb_rmdir,       false},
      {"RENAME",     handler_smb_rename,      false},
      {"NTRENAME",   handler_smb_ntrename,    false},
      {"READX",      handler_smb_readx,       false},
      {"WRITEX",     handler_smb_writex,      false},
      {"CHKPATH",    handler_smb_chkpath,     false},
      {"SEEK",       handler_smb_seek,        false},
      {"LOCKINGX",   handler_smb_lockingx,    false},
      {"QPATHINFO",  handler_smb_qpathinfo,   false},
      {"QFILEINFO",  handler_smb_qfileinfo,   false},
      {"SPATHINFO",  handler_smb_spathinfo,   false},
      {"SFILEINFO",  handler_smb_sfileinfo,   false},
      {"NOTIFY",     handler_smb_notify,      false},
      {"SEEK",       handler_smb_seek,        false},
};


/*
  run the test with the current set of op_parms parameters
  return the number of operations that completed successfully
*/
static int run_test(struct tevent_context *ev, struct loadparm_context *lp_ctx)
{
      int op, i;

      if (!connect_servers(ev, lp_ctx)) {
            printf("Failed to connect to servers\n");
            exit(1);
      }

      dump_seeds();

      /* wipe any leftover files from old runs */
      wipe_files();

      /* reset the open handles array */
      memset(open_handles, 0, options.max_open_handles * sizeof(open_handles[0]));
      num_open_handles = 0;

      for (i=0;i<ARRAY_SIZE(gen_ops);i++) {
            gen_ops[i].count = 0;
            gen_ops[i].success_count = 0;
      }

      for (op=0; op<options.numops; op++) {
            int instance, which_op;
            bool ret;

            if (op_parms[op].disabled) continue;

            srandom(op_parms[op].seed);

            instance = gen_int_range(0, NINSTANCES-1);

            /* generate a non-ignored operation */
            do {
                  which_op = gen_int_range(0, ARRAY_SIZE(gen_ops)-1);
            } while (ignore_pattern(gen_ops[which_op].name) ||
                   gen_ops[which_op].smb2 != options.smb2);

            DEBUG(3,("Generating op %s on instance %d\n",
                   gen_ops[which_op].name, instance));

            current_op.seed = op_parms[op].seed;
            current_op.opnum = op;
            current_op.name = gen_ops[which_op].name;
            current_op.status = NT_STATUS_OK;
            talloc_free(current_op.mem_ctx);
            current_op.mem_ctx = talloc_named(NULL, 0, "%s", current_op.name);

            ret = gen_ops[which_op].handler(instance);

            gen_ops[which_op].count++;
            if (NT_STATUS_IS_OK(current_op.status)) {
                  gen_ops[which_op].success_count++;              
            }

            if (!ret) {
                  printf("Failed at operation %d - %s\n",
                         op, gen_ops[which_op].name);
                  return op;
            }

            if (op % 100 == 0) {
                  printf("%d\n", op);
            }
      }

      for (i=0;i<ARRAY_SIZE(gen_ops);i++) {
            printf("Op %-10s got %d/%d success\n", 
                   gen_ops[i].name,
                   gen_ops[i].success_count,
                   gen_ops[i].count);
      }

      return op;
}

/* 
   perform a backtracking analysis of the minimal set of operations
   to generate an error
*/
static void backtrack_analyze(struct tevent_context *ev,
                        struct loadparm_context *lp_ctx)
{
      int chunk, ret;
      const char *mismatch = current_op.mismatch;

      chunk = options.numops / 2;

      do {
            int base;
            for (base=0; 
                 chunk > 0 && base+chunk < options.numops && options.numops > 1; ) {
                  int i, max;

                  chunk = MIN(chunk, options.numops / 2);

                  /* mark this range as disabled */
                  max = MIN(options.numops, base+chunk);
                  for (i=base;i<max; i++) {
                        op_parms[i].disabled = true;
                  }
                  printf("Testing %d ops with %d-%d disabled\n", 
                         options.numops, base, max-1);
                  ret = run_test(ev, lp_ctx);
                  printf("Completed %d of %d ops\n", ret, options.numops);
                  for (i=base;i<max; i++) {
                        op_parms[i].disabled = false;
                  }
                  if (ret == options.numops) {
                        /* this chunk is needed */
                        base += chunk;
                  } else if (mismatch != current_op.mismatch &&
                           strcmp(mismatch, current_op.mismatch)) {
                        base += chunk;
                        printf("Different error in backtracking\n");
                  } else if (ret < base) {
                        printf("damn - inconsistent errors! found early error\n");
                        options.numops = ret+1;
                        base = 0;
                  } else {
                        /* it failed - this chunk isn't needed for a failure */
                        memmove(&op_parms[base], &op_parms[max], 
                              sizeof(op_parms[0]) * (options.numops - max));
                        options.numops = (ret+1) - (max - base);
                  }
            }

            if (chunk == 2) {
                  chunk = 1;
            } else {
                  chunk *= 0.4;
            }

            if (options.analyze_continuous && chunk == 0 && options.numops != 1) {
                  chunk = 1;
            }
      } while (chunk > 0);

      printf("Reduced to %d ops\n", options.numops);
      ret = run_test(ev, lp_ctx);
      if (ret != options.numops - 1) {
            printf("Inconsistent result? ret=%d numops=%d\n", ret, options.numops);
      }
}

/* 
   start the main gentest process
*/
static bool start_gentest(struct tevent_context *ev,
                    struct loadparm_context *lp_ctx)
{
      int op;
      int ret;

      /* allocate the open_handles array */
      open_handles = calloc(options.max_open_handles, sizeof(open_handles[0]));

      srandom(options.seed);
      op_parms = calloc(options.numops, sizeof(op_parms[0]));

      /* generate the seeds - after this everything is deterministic */
      if (options.use_preset_seeds) {
            int numops;
            char **preset = file_lines_load(options.seeds_file, &numops, 0, NULL);
            if (!preset) {
                  printf("Failed to load %s - %s\n", options.seeds_file, strerror(errno));
                  exit(1);
            }
            if (numops < options.numops) {
                  options.numops = numops;
            }
            for (op=0;op<options.numops;op++) {
                  if (!preset[op]) {
                        printf("Not enough seeds in %s\n", options.seeds_file);
                        exit(1);
                  }
                  op_parms[op].seed = atoi(preset[op]);
            }
            printf("Loaded %d seeds from %s\n", options.numops, options.seeds_file);
      } else {
            for (op=0; op<options.numops; op++) {
                  op_parms[op].seed = random();
            }
      }

      ret = run_test(ev, lp_ctx);

      if (ret != options.numops && options.analyze) {
            options.numops = ret+1;
            backtrack_analyze(ev, lp_ctx);
      } else if (options.analyze_always) {
            backtrack_analyze(ev, lp_ctx);
      } else if (options.analyze_continuous) {
            while (run_test(ev, lp_ctx) == options.numops) ;
      }

      return ret == options.numops;
}


static void usage(poptContext pc)
{
      printf(
"Usage:\n\
  gentest //server1/share1 //server2/share2 [options..]\n\
");
      poptPrintUsage(pc, stdout, 0);
}

/**
  split a UNC name into server and share names
*/
static bool split_unc_name(const char *unc, char **server, char **share)
{
      char *p = strdup(unc);
      if (!p) return false;
      all_string_sub(p, "\\", "/", 0);
      if (strncmp(p, "//", 2) != 0) return false;

      (*server) = p+2;
      p = strchr(*server, '/');
      if (!p) return false;

      *p = 0;
      (*share) = p+1;
      
      return true;
}



/****************************************************************************
  main program
****************************************************************************/
 int main(int argc, char *argv[])
{
      int opt;
      int i, username_count=0;
      bool ret;
      char *ignore_file=NULL;
      struct tevent_context *ev;
      struct loadparm_context *lp_ctx;
      poptContext pc;
      int argc_new;
      char **argv_new;
      enum {OPT_UNCLIST=1000};
      struct poptOption long_options[] = {
            POPT_AUTOHELP
            {"smb2",          0, POPT_ARG_NONE, &options.smb2, 0, "use SMB2 protocol",    NULL},
            {"seed",      0, POPT_ARG_INT,  &options.seed,  0,    "Seed to use for randomizer",       NULL},
            {"num-ops",   0, POPT_ARG_INT,  &options.numops,      0,    "num ops",  NULL},
            {"oplocks",       0, POPT_ARG_NONE, &options.use_oplocks,0,      "use oplocks", NULL},
            {"showall",       0, POPT_ARG_NONE, &options.showall,    0,      "display all operations", NULL},
            {"analyse",       0, POPT_ARG_NONE, &options.analyze,    0,      "do backtrack analysis", NULL},
            {"analysealways", 0, POPT_ARG_NONE, &options.analyze_always,    0,      "analysis always", NULL},
            {"analysecontinuous", 0, POPT_ARG_NONE, &options.analyze_continuous,    0,      "analysis continuous", NULL},
            {"ignore",        0, POPT_ARG_STRING, &ignore_file,    0,      "ignore from file", NULL},
            {"preset",        0, POPT_ARG_NONE, &options.use_preset_seeds,    0,      "use preset seeds", NULL},
            {"fast",          0, POPT_ARG_NONE, &options.fast_reconnect,    0,      "use fast reconnect", NULL},
            {"unclist",   0, POPT_ARG_STRING,   NULL,       OPT_UNCLIST,      "unclist",  NULL},
            {"seedsfile",       0, POPT_ARG_STRING,  &options.seeds_file, 0,  "seed file",      NULL},
            { "user", 'U',       POPT_ARG_STRING, NULL, 'U', "Set the network username", "[DOMAIN/]USERNAME[%PASSWORD]" },
            {"maskindexing",  0, POPT_ARG_NONE,  &options.mask_indexing, 0,   "mask out the indexed file attrib",       NULL},
            {"noeas",  0, POPT_ARG_NONE,  &options.no_eas, 0,     "don't use extended attributes",    NULL},
            {"noacls",  0, POPT_ARG_NONE,  &options.no_acls, 0,   "don't use ACLs",       NULL},
            {"skip-cleanup",  0, POPT_ARG_NONE,  &options.skip_cleanup, 0,    "don't delete files at start",      NULL},
            {"valid",  0, POPT_ARG_NONE,  &options.valid, 0,      "generate only valid fields",       NULL},
            POPT_COMMON_SAMBA
            POPT_COMMON_CONNECTION
            POPT_COMMON_CREDENTIALS
            POPT_COMMON_VERSION
            { NULL }
      };

      memset(&bad_smb2_handle, 0xFF, sizeof(bad_smb2_handle));

      setlinebuf(stdout);
      options.seed = time(NULL);
      options.numops = 1000;
      options.max_open_handles = 20;
      options.seeds_file = "gentest_seeds.dat";

      pc = poptGetContext("gentest", argc, (const char **) argv, long_options, 
                      POPT_CONTEXT_KEEP_FIRST);

      poptSetOtherOptionHelp(pc, "<unc1> <unc2>");

      lp_ctx = cmdline_lp_ctx;
      servers[0].credentials = cli_credentials_init(talloc_autofree_context());
      servers[1].credentials = cli_credentials_init(talloc_autofree_context());
      cli_credentials_guess(servers[0].credentials, lp_ctx);
      cli_credentials_guess(servers[1].credentials, lp_ctx);

      while((opt = poptGetNextOpt(pc)) != -1) {
            switch (opt) {
            case OPT_UNCLIST:
                  lpcfg_set_cmdline(cmdline_lp_ctx, "torture:unclist", poptGetOptArg(pc));
                  break;
            case 'U':
                  if (username_count == 2) {
                        usage(pc);
                        exit(1);
                  }
                  cli_credentials_parse_string(servers[username_count].credentials, poptGetOptArg(pc), CRED_SPECIFIED);
                  username_count++;
                  break;
            }
      }

      if (ignore_file) {
            options.ignore_patterns = file_lines_load(ignore_file, NULL, 0, NULL);
      }

      argv_new = discard_const_p(char *, poptGetArgs(pc));
      argc_new = argc;
      for (i=0; i<argc; i++) {
            if (argv_new[i] == NULL) {
                  argc_new = i;
                  break;
            }
      }

      if (!(argc_new >= 3)) {
            usage(pc);
            exit(1);
      }

      setlinebuf(stdout);

      setup_logging("gentest", DEBUG_STDOUT);

      if (argc < 3 || argv[1][0] == '-') {
            usage(pc);
            exit(1);
      }

      setup_logging(argv[0], DEBUG_STDOUT);

      for (i=0;i<NSERVERS;i++) {
            const char *share = argv[1+i];
            if (!split_unc_name(share, &servers[i].server_name, &servers[i].share_name)) {
                  printf("Invalid share name '%s'\n", share);
                  return -1;
            }
      }

      if (username_count == 0) {
            usage(pc);
            return -1;
      }
      if (username_count == 1) {
            servers[1].credentials = servers[0].credentials;
      }

      printf("seed=%u\n", options.seed);

      ev = s4_event_context_init(talloc_autofree_context());

      gensec_init(lp_ctx);

      ret = start_gentest(ev, lp_ctx);

      if (ret) {
            printf("gentest completed - no errors\n");
      } else {
            printf("gentest failed\n");
      }

      return ret?0:-1;
}

Generated by  Doxygen 1.6.0   Back to index