source3/torture/test_cleanup.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Test cleanup behaviour
   4    Copyright (C) Volker Lendecke 2011
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "locking/proto.h"
  22 #include "torture/proto.h"
  23 #include "system/filesys.h"
  24 #include "system/select.h"
  25 #include "libsmb/libsmb.h"
  26 #include "libcli/smb/smbXcli_base.h"
  27 #include "libcli/security/security.h"
  28 #include "librpc/gen_ndr/open_files.h"
  29
  30 bool run_cleanup1(int dummy)
  31 {
  32         struct cli_state *cli;
  33         const char *fname = "\\cleanup1";
  34         uint16_t fnum;
  35         NTSTATUS status;
  36
  37         printf("CLEANUP1: Checking that a conflicting share mode is cleaned "
  38                "up\n");
  39
  40         if (!torture_open_connection(&cli, 0)) {
  41                 return false;
  42         }
  43         status = cli_openx(cli, fname, O_RDWR|O_CREAT, DENY_ALL, &fnum);
  44         if (!NT_STATUS_IS_OK(status)) {
  45                 printf("open of %s failed (%s)\n", fname, nt_errstr(status));
  46                 return false;
  47         }
  48         status = smbXcli_conn_samba_suicide(cli->conn, 1);
  49         if (!NT_STATUS_IS_OK(status)) {
  50                 printf("smbXcli_conn_samba_suicide failed: %s\n",
  51                        nt_errstr(status));
  52                 return false;
  53         }
  54
  55         if (!torture_open_connection(&cli, 1)) {
  56                 return false;
  57         }
  58         status = cli_ntcreate(
  59                 cli, fname, 0,
  60                 FILE_GENERIC_READ|FILE_GENERIC_WRITE|DELETE_ACCESS,
  61                 FILE_ATTRIBUTE_NORMAL,
  62                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
  63                 FILE_OPEN, FILE_DELETE_ON_CLOSE, 0, &fnum, NULL);
  64         if (!NT_STATUS_IS_OK(status)) {
  65                 printf("2nd open of %s failed (%s)\n", fname,
  66                        nt_errstr(status));
  67                 return false;
  68         }
  69         cli_close(cli, fnum);
  70
  71         torture_close_connection(cli);
  72         return NT_STATUS_IS_OK(status);
  73 }
  74
  75 bool run_cleanup2(int dummy)
  76 {
  77         struct cli_state *cli1, *cli2, *cli3;
  78         const char *fname = "\\cleanup2";
  79         uint16_t fnum1, fnum2, fnum3;
  80         NTSTATUS status;
  81         char buf;
  82
  83         printf("CLEANUP2: Checking that a conflicting brlock is cleaned up\n");
  84
  85         if (!torture_open_connection(&cli1, 0)) {
  86                 return false;
  87         }
  88         status = cli_ntcreate(
  89                 cli1, fname, 0, FILE_GENERIC_READ|FILE_GENERIC_WRITE,
  90                 FILE_ATTRIBUTE_NORMAL,
  91                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
  92                 FILE_OVERWRITE_IF, 0, 0, &fnum1, NULL);
  93         if (!NT_STATUS_IS_OK(status)) {
  94                 printf("open of %s failed (%s)\n", fname, nt_errstr(status));
  95                 return false;
  96         }
  97         status = cli_lock32(cli1, fnum1, 0, 1, 0, WRITE_LOCK);
  98         if (!NT_STATUS_IS_OK(status)) {
  99                 printf("lock failed (%s)\n", nt_errstr(status));
 100                 return false;
 101         }
 102
 103         if (!torture_open_connection(&cli3, 1)) {
 104                 return false;
 105         }
 106         status = cli_ntcreate(
 107                 cli3, fname, 0, FILE_GENERIC_READ|FILE_GENERIC_WRITE,
 108                 FILE_ATTRIBUTE_NORMAL,
 109                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
 110                 FILE_OVERWRITE_IF, 0, 0, &fnum3, NULL);
 111         if (!NT_STATUS_IS_OK(status)) {
 112                 printf("open of %s failed (%s)\n", fname, nt_errstr(status));
 113                 return false;
 114         }
 115         status = cli_lock32(cli3, fnum3, 1, 1, 0, WRITE_LOCK);
 116         if (!NT_STATUS_IS_OK(status)) {
 117                 printf("lock failed (%s)\n", nt_errstr(status));
 118                 return false;
 119         }
 120
 121         status = cli_lock32(cli1, fnum1, 2, 1, 0, WRITE_LOCK);
 122         if (!NT_STATUS_IS_OK(status)) {
 123                 printf("lock failed (%s)\n", nt_errstr(status));
 124                 return false;
 125         }
 126
 127         /*
 128          * Check the file is indeed locked
 129          */
 130         if (!torture_open_connection(&cli2, 1)) {
 131                 return false;
 132         }
 133         status = cli_ntcreate(
 134                 cli2, fname, 0, FILE_GENERIC_READ|FILE_GENERIC_WRITE,
 135                 FILE_ATTRIBUTE_NORMAL,
 136                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
 137                 FILE_OPEN, 0, 0, &fnum2, NULL);
 138         if (!NT_STATUS_IS_OK(status)) {
 139                 printf("open of %s failed (%s)\n", fname, nt_errstr(status));
 140                 return false;
 141         }
 142         buf = 'x';
 143         status = cli_smbwrite(cli2, fnum2, &buf, 0, 1, NULL);
 144         if (!NT_STATUS_EQUAL(status, NT_STATUS_FILE_LOCK_CONFLICT)) {
 145                 printf("write succeeded\n");
 146                 return false;
 147         }
 148
 149         /*
 150          * Kill the lock holder
 151          */
 152         status = smbXcli_conn_samba_suicide(cli1->conn, 1);
 153         if (!NT_STATUS_IS_OK(status)) {
 154                 printf("smbXcli_conn_samba_suicide failed: %s\n",
 155                        nt_errstr(status));
 156                 return false;
 157         }
 158
 159         /*
 160          * Give the suicidal smbd a bit of time to really pass away
 161          */
 162         smb_msleep(1000);
 163
 164         status = cli_smbwrite(cli2, fnum2, &buf, 0, 1, NULL);
 165         if (!NT_STATUS_IS_OK(status)) {
 166                 printf("write failed: %s\n", nt_errstr(status));
 167                 return false;
 168         }
 169         return true;
 170 }
 171
 172 bool run_cleanup4(int dummy)
 173 {
 174         struct cli_state *cli1, *cli2;
 175         const char *fname = "\\cleanup4";
 176         uint16_t fnum1, fnum2;
 177         NTSTATUS status;
 178
 179         printf("CLEANUP4: Checking that a conflicting share mode is cleaned "
 180                "up\n");
 181
 182         if (!torture_open_connection(&cli1, 0)) {
 183                 return false;
 184         }
 185         if (!torture_open_connection(&cli2, 0)) {
 186                 return false;
 187         }
 188
 189         status = cli_ntcreate(
 190                 cli1, fname, 0,
 191                 FILE_GENERIC_READ|DELETE_ACCESS,
 192                 FILE_ATTRIBUTE_NORMAL,
 193                 FILE_SHARE_READ|FILE_SHARE_DELETE,
 194                 FILE_OVERWRITE_IF, 0, 0, &fnum1, NULL);
 195         if (!NT_STATUS_IS_OK(status)) {
 196                 printf("creating file failed: %s\n",
 197                        nt_errstr(status));
 198                 return false;
 199         }
 200
 201         status = cli_ntcreate(
 202                 cli2, fname, 0,
 203                 FILE_GENERIC_READ|DELETE_ACCESS,
 204                 FILE_ATTRIBUTE_NORMAL,
 205                 FILE_SHARE_READ|FILE_SHARE_DELETE,
 206                 FILE_OPEN, 0, 0, &fnum2, NULL);
 207         if (!NT_STATUS_IS_OK(status)) {
 208                 printf("opening file 1st time failed: %s\n",
 209                        nt_errstr(status));
 210                 return false;
 211         }
 212
 213         status = smbXcli_conn_samba_suicide(cli1->conn, 1);
 214         if (!NT_STATUS_IS_OK(status)) {
 215                 printf("smbXcli_conn_samba_suicide failed: %s\n",
 216                        nt_errstr(status));
 217                 return false;
 218         }
 219
 220         /*
 221          * The next open will conflict with both opens above. The first open
 222          * above will be correctly cleaned up. A bug in smbd iterating over
 223          * the share mode array made it skip the share conflict check for the
 224          * second open. Trigger this bug.
 225          */
 226
 227         status = cli_ntcreate(
 228                 cli2, fname, 0,
 229                 FILE_GENERIC_WRITE|DELETE_ACCESS,
 230                 FILE_ATTRIBUTE_NORMAL,
 231                 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
 232                 FILE_OPEN, 0, 0, &fnum2, NULL);
 233         if (!NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
 234                 printf("opening file 2nd time returned: %s\n",
 235                        nt_errstr(status));
 236                 return false;
 237         }
 238
 239         return true;
 240 }