LCOV - code coverage report
Current view: top level - source4/torture/basic - disconnect.c (source / functions) Hit Total Coverage
Test: coverage report for master 6248eab5 Lines: 64 73 87.7 %
Date: 2021-08-25 13:27:56 Functions: 3 4 75.0 %

          Line data    Source code
       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          60 : 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          60 :         printf("trying open/disconnect\n");
      50             : 
      51          60 :         io.generic.level = RAW_OPEN_NTCREATEX;
      52          60 :         io.ntcreatex.in.root_fid.fnum = 0;
      53          60 :         io.ntcreatex.in.flags = 0;
      54          60 :         io.ntcreatex.in.access_mask = SEC_FILE_READ_DATA;
      55          60 :         io.ntcreatex.in.create_options = 0;
      56          60 :         io.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
      57          60 :         io.ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ;
      58          60 :         io.ntcreatex.in.alloc_size = 0;
      59          60 :         io.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN_IF;
      60          60 :         io.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
      61          60 :         io.ntcreatex.in.security_flags = 0;
      62          60 :         io.ntcreatex.in.fname = BASEDIR "\\open.dat";
      63          60 :         status = smb_raw_open(cli->tree, mem_ctx, &io);
      64          60 :         CHECK_STATUS(status, NT_STATUS_OK);
      65             : 
      66          60 :         io.ntcreatex.in.share_access = 0;
      67          60 :         req1 = smb_raw_open_send(cli->tree, &io);
      68          60 :         req2 = smb_raw_open_send(cli->tree, &io);
      69          60 :         if (!req1 || !req2) {
      70           0 :                 printf("test_disconnect_open: smb_raw_open_send() "
      71             :                         "returned NULL\n");
      72           0 :                 return false;
      73             :         }
      74             : 
      75          60 :         status = smbcli_chkpath(cli->tree, "\\");
      76          60 :         CHECK_STATUS(status, NT_STATUS_OK);
      77             :         
      78          60 :         talloc_free(cli);
      79             : 
      80          60 :         return true;
      81             : }
      82             : 
      83             : 
      84             : /*
      85             :   test disconnect with timed lock
      86             : */
      87          60 : 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          60 :         printf("trying disconnect with async lock\n");
      96             : 
      97          60 :         fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat", 
      98             :                            O_RDWR | O_CREAT, DENY_NONE);
      99          60 :         if (fnum == -1) {
     100           0 :                 printf("open failed in mux_write - %s\n", smbcli_errstr(cli->tree));
     101           0 :                 return false;
     102             :         }
     103             : 
     104          60 :         io.lockx.level = RAW_LOCK_LOCKX;
     105          60 :         io.lockx.in.file.fnum = fnum;
     106          60 :         io.lockx.in.mode = 0;
     107          60 :         io.lockx.in.timeout = 0;
     108          60 :         io.lockx.in.lock_cnt = 1;
     109          60 :         io.lockx.in.ulock_cnt = 0;
     110          60 :         lock[0].pid = 1;
     111          60 :         lock[0].offset = 0;
     112          60 :         lock[0].count = 4;
     113          60 :         io.lockx.in.locks = &lock[0];
     114             : 
     115          60 :         status = smb_raw_lock(cli->tree, &io);
     116          60 :         CHECK_STATUS(status, NT_STATUS_OK);
     117             : 
     118          60 :         lock[0].pid = 2;
     119          60 :         io.lockx.in.timeout = 3000;
     120          60 :         req = smb_raw_lock_send(cli->tree, &io);
     121          60 :         if (!req) {
     122           0 :                 printf("test_disconnect_lock: smb_raw_lock_send() "
     123             :                         "returned NULL\n");
     124           0 :                 return false;
     125             :         }
     126             : 
     127          60 :         status = smbcli_chkpath(cli->tree, "\\");
     128          60 :         CHECK_STATUS(status, NT_STATUS_OK);
     129             : 
     130          60 :         talloc_free(cli);
     131             : 
     132          60 :         return true;
     133             : }
     134             : 
     135             : 
     136             : 
     137             : /* 
     138             :    basic testing of disconnects
     139             : */
     140           6 : bool torture_disconnect(struct torture_context *torture)
     141             : {
     142           6 :         bool ret = true;
     143             :         TALLOC_CTX *mem_ctx;
     144             :         int i;
     145             :         extern int torture_numops;
     146             :         struct smbcli_state *cli;
     147             : 
     148           6 :         mem_ctx = talloc_init("torture_raw_mux");
     149             : 
     150           6 :         if (!torture_open_connection(&cli, torture, 0)) {
     151           0 :                 return false;
     152             :         }
     153             : 
     154           6 :         torture_assert(torture, torture_setup_dir(cli, BASEDIR), "Failed to setup up test directory: " BASEDIR);
     155             : 
     156          66 :         for (i=0;i<torture_numops;i++) {
     157          60 :                 ret &= test_disconnect_lock(cli, mem_ctx);
     158          60 :                 if (!torture_open_connection(&cli, torture, 0)) {
     159           0 :                         return false;
     160             :                 }
     161             : 
     162          60 :                 ret &= test_disconnect_open(cli, mem_ctx);
     163          60 :                 if (!torture_open_connection(&cli, torture, 0)) {
     164           0 :                         return false;
     165             :                 }
     166             : 
     167          60 :                 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          40 :                         smb_msleep(200);
     175             :                 }
     176             :         }
     177             : 
     178           6 :         smb_raw_exit(cli->session);
     179           6 :         smbcli_deltree(cli->tree, BASEDIR);
     180           6 :         talloc_free(mem_ctx);
     181           6 :         return ret;
     182             : }

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