source4/torture/basic/disconnect.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    test server handling of unexpected client disconnects
   5
   6    Copyright (C) Andrew Tridgell 2004
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "system/filesys.h"
  24 #include "libcli/raw/libcliraw.h"
  25 #include "libcli/raw/raw_proto.h"
  26 #include "libcli/libcli.h"
  27 #include "torture/util.h"
  28 #include "torture/basic/proto.h"
  29
  30 #define BASEDIR "\\test_disconnect"
  31
  32 #define CHECK_STATUS(status, correct) do { \
  33         if (!NT_STATUS_EQUAL(status, correct)) { \
  34                 printf("(%s) Incorrect status %s - should be %s\n", \
  35                        __location__, nt_errstr(status), nt_errstr(correct)); \
  36                 talloc_free(cli); \
  37                 return false; \
  38         }} while (0)
  39
  40 /*
  41   test disconnect after async open
  42 */
  43 static bool test_disconnect_open(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
  44 {
  45         union smb_open io;
  46         struct smbcli_request *req1, *req2;
  47         NTSTATUS status;
  48
  49         printf("trying open/disconnect\n");
  50
  51         io.generic.level = RAW_OPEN_NTCREATEX;
  52         io.ntcreatex.in.root_fid.fnum = 0;
  53         io.ntcreatex.in.flags = 0;
  54         io.ntcreatex.in.access_mask = SEC_FILE_READ_DATA;
  55         io.ntcreatex.in.create_options = 0;
  56         io.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
  57         io.ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ;
  58         io.ntcreatex.in.alloc_size = 0;
  59         io.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN_IF;
  60         io.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
  61         io.ntcreatex.in.security_flags = 0;
  62         io.ntcreatex.in.fname = BASEDIR "\\open.dat";
  63         status = smb_raw_open(cli->tree, mem_ctx, &io);
  64         CHECK_STATUS(status, NT_STATUS_OK);
  65
  66         io.ntcreatex.in.share_access = 0;
  67         req1 = smb_raw_open_send(cli->tree, &io);
  68         req2 = smb_raw_open_send(cli->tree, &io);
  69         if (!req1 || !req2) {
  70                 printf("test_disconnect_open: smb_raw_open_send() "
  71                         "returned NULL\n");
  72                 return false;
  73         }
  74
  75         status = smbcli_chkpath(cli->tree, "\\");
  76         CHECK_STATUS(status, NT_STATUS_OK);
  77
  78         talloc_free(cli);
  79
  80         return true;
  81 }
  82
  83
  84 /*
  85   test disconnect with timed lock
  86 */
  87 static bool test_disconnect_lock(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
  88 {
  89         union smb_lock io;
  90         NTSTATUS status;
  91         int fnum;
  92         struct smbcli_request *req;
  93         struct smb_lock_entry lock[1];
  94
  95         printf("trying disconnect with async lock\n");
  96
  97         fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat",
  98                            O_RDWR | O_CREAT, DENY_NONE);
  99         if (fnum == -1) {
 100                 printf("open failed in mux_write - %s\n", smbcli_errstr(cli->tree));
 101                 return false;
 102         }
 103
 104         io.lockx.level = RAW_LOCK_LOCKX;
 105         io.lockx.in.file.fnum = fnum;
 106         io.lockx.in.mode = 0;
 107         io.lockx.in.timeout = 0;
 108         io.lockx.in.lock_cnt = 1;
 109         io.lockx.in.ulock_cnt = 0;
 110         lock[0].pid = 1;
 111         lock[0].offset = 0;
 112         lock[0].count = 4;
 113         io.lockx.in.locks = &lock[0];
 114
 115         status = smb_raw_lock(cli->tree, &io);
 116         CHECK_STATUS(status, NT_STATUS_OK);
 117
 118         lock[0].pid = 2;
 119         io.lockx.in.timeout = 3000;
 120         req = smb_raw_lock_send(cli->tree, &io);
 121         if (!req) {
 122                 printf("test_disconnect_lock: smb_raw_lock_send() "
 123                         "returned NULL\n");
 124                 return false;
 125         }
 126
 127         status = smbcli_chkpath(cli->tree, "\\");
 128         CHECK_STATUS(status, NT_STATUS_OK);
 129
 130         talloc_free(cli);
 131
 132         return true;
 133 }
 134
 135
 136
 137 /*
 138    basic testing of disconnects
 139 */
 140 bool torture_disconnect(struct torture_context *torture)
 141 {
 142         bool ret = true;
 143         TALLOC_CTX *mem_ctx;
 144         int i;
 145         extern int torture_numops;
 146         struct smbcli_state *cli;
 147
 148         mem_ctx = talloc_init("torture_raw_mux");
 149
 150         if (!torture_open_connection(&cli, torture, 0)) {
 151                 return false;
 152         }
 153
 154         torture_assert(torture, torture_setup_dir(cli, BASEDIR), "Failed to setup up test directory: " BASEDIR);
 155
 156         for (i=0;i<torture_numops;i++) {
 157                 ret &= test_disconnect_lock(cli, mem_ctx);
 158                 if (!torture_open_connection(&cli, torture, 0)) {
 159                         return false;
 160                 }
 161
 162                 ret &= test_disconnect_open(cli, mem_ctx);
 163                 if (!torture_open_connection(&cli, torture, 0)) {
 164                         return false;
 165                 }
 166
 167                 if (torture_setting_bool(torture, "samba3", false)) {
 168                         /*
 169                          * In Samba3 it might happen that the old smbd from
 170                          * test_disconnect_lock is not scheduled before the
 171                          * new process comes in. Try to get rid of the random
 172                          * failures in the build farm.
 173                          */
 174                         smb_msleep(200);
 175                 }
 176         }
 177
 178         smb_raw_exit(cli->session);
 179         smbcli_deltree(cli->tree, BASEDIR);
 180         talloc_free(mem_ctx);
 181         return ret;
 182 }