Line data    Source code

       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             : 
       4             :    Test some misc Samba3 code paths
       5             : 
       6             :    Copyright (C) Volker Lendecke 2006
       7             :    Copyright (C) Stefan Metzmacher 2019
       8             : 
       9             :    This program is free software; you can redistribute it and/or modify
      10             :    it under the terms of the GNU General Public License as published by
      11             :    the Free Software Foundation; either version 3 of the License, or
      12             :    (at your option) any later version.
      13             : 
      14             :    This program is distributed in the hope that it will be useful,
      15             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      16             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17             :    GNU General Public License for more details.
      18             : 
      19             :    You should have received a copy of the GNU General Public License
      20             :    along with this program.  If not, see <http://www.gnu.org/licenses/>.
      21             : */
      22             : 
      23             : #include "includes.h"
      24             : #include "system/time.h"
      25             : #include "system/filesys.h"
      26             : #include "libcli/smb2/smb2.h"
      27             : #include "libcli/smb2/smb2_calls.h"
      28             : #include "../libcli/smb/smbXcli_base.h"
      29             : #include "torture/torture.h"
      30             : #include "torture/smb2/proto.h"
      31             : #include "torture/util.h"
      32             : #include "lib/events/events.h"
      33             : #include "param/param.h"
      34             : 
      35             : #define CHECK_STATUS(status, correct) do { \
      36             :         const char *_cmt = "(" __location__ ")"; \
      37             :         torture_assert_ntstatus_equal_goto(tctx,status,correct, \
      38             :                                            ret,done,_cmt); \
      39             :         } while (0)
      40             : 
      41             : #define BASEDIR "samba3misc.smb2"
      42             : 
      43             : #define WAIT_FOR_ASYNC_RESPONSE(req) \
      44             :         while (!req->cancel.can_cancel && req->state <= SMB2_REQUEST_RECV) { \
      45             :                 if (tevent_loop_once(tctx->ev) != 0) { \
      46             :                         break; \
      47             :                 } \
      48             :         }
      49             : 
      50           0 : static void torture_smb2_tree_disconnect_timer(struct tevent_context *ev,
      51             :                                                struct tevent_timer *te,
      52             :                                                struct timeval now,
      53             :                                                void *private_data)
      54             : {
      55           0 :         struct smb2_tree *tree =
      56           0 :                 talloc_get_type_abort(private_data,
      57             :                 struct smb2_tree);
      58             : 
      59           0 :         smbXcli_conn_disconnect(tree->session->transport->conn,
      60           0 :                                 NT_STATUS_CTX_CLIENT_QUERY_TIMEOUT);
      61           0 : }
      62             : 
      63             : /*
      64             :  * Check that Samba3 correctly deals with conflicting local posix byte range
      65             :  * locks on an underlying file via "normal" SMB2 (without posix extensions).
      66             :  *
      67             :  * Note: This test depends on "posix locking = yes".
      68             :  * Note: To run this test, use "--option=torture:localdir=<LOCALDIR>"
      69             :  */
      70           8 : static bool torture_samba3_localposixlock1(struct torture_context *tctx,
      71             :                                            struct smb2_tree *tree)
      72             : {
      73           0 :         NTSTATUS status;
      74           8 :         bool ret = true;
      75           0 :         int rc;
      76           8 :         const char *fname = "posixtimedlock.dat";
      77           0 :         const char *fpath;
      78           0 :         const char *localdir;
      79           0 :         const char *localname;
      80           8 :         struct smb2_handle h = {{0}};
      81           8 :         struct smb2_lock lck = {0};
      82           8 :         struct smb2_lock_element el[1] = {{0}};
      83           8 :         struct smb2_request *req = NULL;
      84           8 :         int fd = -1;
      85           0 :         struct flock posix_lock;
      86           0 :         struct tevent_timer *te;
      87             : 
      88           8 :         status = torture_smb2_testdir(tree, BASEDIR, &h);
      89           8 :         CHECK_STATUS(status, NT_STATUS_OK);
      90           8 :         smb2_util_close(tree, h);
      91             : 
      92           8 :         status = torture_smb2_testfile(tree, fname, &h);
      93           8 :         CHECK_STATUS(status, NT_STATUS_OK);
      94             : 
      95           8 :         fpath = talloc_asprintf(tctx, "%s\\%s", BASEDIR, fname);
      96           8 :         torture_assert(tctx, fpath != NULL, "fpath\n");
      97             : 
      98           8 :         status = torture_smb2_testfile(tree, fpath, &h);
      99           8 :         CHECK_STATUS(status, NT_STATUS_OK);
     100             : 
     101           8 :         localdir = torture_setting_string(tctx, "localdir", NULL);
     102           8 :         torture_assert(tctx, localdir != NULL,
     103             :                        "--option=torture:localdir=<LOCALDIR> required\n");
     104             : 
     105           8 :         localname = talloc_asprintf(tctx, "%s/%s/%s",
     106             :                                     localdir, BASEDIR, fname);
     107           8 :         torture_assert(tctx, localname != NULL, "localname\n");
     108             : 
     109             :         /*
     110             :          * Lock a byte range from posix
     111             :          */
     112             : 
     113           8 :         torture_comment(tctx, "  local open(%s)\n", localname);
     114           8 :         fd = open(localname, O_RDWR);
     115           8 :         if (fd == -1) {
     116           0 :                 torture_warning(tctx, "open(%s) failed: %s\n",
     117           0 :                                 localname, strerror(errno));
     118           0 :                 torture_assert(tctx, fd != -1, "open localname\n");
     119             :         }
     120             : 
     121           8 :         posix_lock.l_type = F_WRLCK;
     122           8 :         posix_lock.l_whence = SEEK_SET;
     123           8 :         posix_lock.l_start = 0;
     124           8 :         posix_lock.l_len = 1;
     125             : 
     126           8 :         torture_comment(tctx, "  local fcntl\n");
     127           8 :         rc = fcntl(fd, F_SETLK, &posix_lock);
     128           8 :         if (rc == -1) {
     129           0 :                 torture_warning(tctx, "fcntl failed: %s\n", strerror(errno));
     130           0 :                 torture_assert_goto(tctx, rc != -1, ret, done,
     131             :                                     "fcntl lock\n");
     132             :         }
     133             : 
     134           8 :         el[0].offset            = 0;
     135           8 :         el[0].length            = 1;
     136           8 :         el[0].reserved          = 0x00000000;
     137           8 :         el[0].flags             = SMB2_LOCK_FLAG_EXCLUSIVE |
     138             :                                   SMB2_LOCK_FLAG_FAIL_IMMEDIATELY;
     139           8 :         lck.in.locks            = el;
     140           8 :         lck.in.lock_count       = 0x0001;
     141           8 :         lck.in.lock_sequence    = 0x00000000;
     142           8 :         lck.in.file.handle      = h;
     143             : 
     144           8 :         torture_comment(tctx, "  remote non-blocking lock\n");
     145           8 :         status = smb2_lock(tree, &lck);
     146           8 :         CHECK_STATUS(status, NT_STATUS_LOCK_NOT_GRANTED);
     147             : 
     148           8 :         torture_comment(tctx, "  remote async blocking lock\n");
     149           8 :         el[0].flags             = SMB2_LOCK_FLAG_EXCLUSIVE;
     150           8 :         req = smb2_lock_send(tree, &lck);
     151           8 :         torture_assert_goto(tctx, req != NULL, ret, done, "smb2_lock_send()\n");
     152             : 
     153           8 :         te = tevent_add_timer(tctx->ev,
     154             :                               tctx, timeval_current_ofs(5, 0),
     155             :                               torture_smb2_tree_disconnect_timer,
     156             :                               tree);
     157           8 :         torture_assert_goto(tctx, te != NULL, ret, done, "tevent_add_timer\n");
     158             : 
     159           8 :         torture_comment(tctx, "  remote wait for STATUS_PENDING\n");
     160          40 :         WAIT_FOR_ASYNC_RESPONSE(req);
     161             : 
     162           8 :         torture_comment(tctx, "  local close file\n");
     163           8 :         close(fd);
     164           8 :         fd = -1;
     165             : 
     166           8 :         torture_comment(tctx, "  remote lock should now succeed\n");
     167           8 :         status = smb2_lock_recv(req, &lck);
     168           8 :         CHECK_STATUS(status, NT_STATUS_OK);
     169             : 
     170           8 : done:
     171           8 :         if (fd != -1) {
     172           0 :                 close(fd);
     173             :         }
     174           8 :         smb2_util_close(tree, h);
     175           8 :         smb2_deltree(tree, BASEDIR);
     176           8 :         return ret;
     177             : }
     178             : 
     179        2354 : struct torture_suite *torture_smb2_samba3misc_init(TALLOC_CTX *ctx)
     180             : {
     181        2354 :         struct torture_suite *suite = torture_suite_create(ctx, "samba3misc");
     182             : 
     183        2354 :         torture_suite_add_1smb2_test(suite, "localposixlock1",
     184             :                                      torture_samba3_localposixlock1);
     185             : 
     186        2354 :         suite->description = talloc_strdup(suite, "SMB2 Samba3 MISC");
     187             : 
     188        2354 :         return suite;
     189             : }