source4/torture/raw/mux.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    basic raw test suite for multiplexing
   4    Copyright (C) Andrew Tridgell 2003
   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 "system/filesys.h"
  22 #include "libcli/raw/libcliraw.h"
  23 #include "libcli/raw/raw_proto.h"
  24 #include "libcli/libcli.h"
  25 #include "torture/util.h"
  26 #include "torture/raw/proto.h"
  27
  28 #define BASEDIR "\\test_mux"
  29
  30 /*
  31   test the delayed reply to a open that leads to a sharing violation
  32 */
  33 static bool test_mux_open(struct torture_context *tctx, struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
  34 {
  35         union smb_open io;
  36         NTSTATUS status;
  37         int fnum1, fnum2;
  38         bool ret = true;
  39         struct smbcli_request *req1, *req2;
  40         struct timeval tv;
  41         double d;
  42
  43         torture_comment(tctx, "Testing multiplexed open/open/close\n");
  44
  45         torture_comment(tctx, "send first open\n");
  46         io.generic.level = RAW_OPEN_NTCREATEX;
  47         io.ntcreatex.in.root_fid.fnum = 0;
  48         io.ntcreatex.in.flags = 0;
  49         io.ntcreatex.in.access_mask = SEC_FILE_READ_DATA;
  50         io.ntcreatex.in.create_options = 0;
  51         io.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
  52         io.ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ;
  53         io.ntcreatex.in.alloc_size = 0;
  54         io.ntcreatex.in.open_disposition = NTCREATEX_DISP_CREATE;
  55         io.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
  56         io.ntcreatex.in.security_flags = 0;
  57         io.ntcreatex.in.fname = BASEDIR "\\open.dat";
  58         status = smb_raw_open(cli->tree, mem_ctx, &io);
  59         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "send first open");
  60         fnum1 = io.ntcreatex.out.file.fnum;
  61
  62         torture_comment(tctx, "send 2nd open, non-conflicting\n");
  63         io.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
  64         status = smb_raw_open(cli->tree, mem_ctx, &io);
  65         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "send 2nd open, non-conflicting");
  66         fnum2 = io.ntcreatex.out.file.fnum;
  67
  68         tv = timeval_current();
  69
  70         torture_comment(tctx, "send 3rd open, conflicting\n");
  71         io.ntcreatex.in.share_access = 0;
  72         status = smb_raw_open(cli->tree, mem_ctx, &io);
  73         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_SHARING_VIOLATION, "send 3rd open, conflicting");
  74
  75         d = timeval_elapsed(&tv);
  76         if (d < 0.5 || d > 1.5) {
  77                 torture_comment(tctx, "bad timeout for conflict - %.2f should be 1.0\n", d);
  78         } else {
  79                 torture_comment(tctx, "open delay %.2f\n", d);
  80         }
  81
  82         torture_comment(tctx, "send async open, conflicting\n");
  83         tv = timeval_current();
  84         req1 = smb_raw_open_send(cli->tree, &io);
  85
  86         torture_comment(tctx, "send 2nd async open, conflicting\n");
  87         tv = timeval_current();
  88         req2 = smb_raw_open_send(cli->tree, &io);
  89
  90         torture_comment(tctx, "close first sync open\n");
  91         smbcli_close(cli->tree, fnum1);
  92
  93         torture_comment(tctx, "cancel 2nd async open (should be ignored)\n");
  94         smb_raw_ntcancel(req2);
  95
  96         d = timeval_elapsed(&tv);
  97         if (d > 0.25) {
  98                 torture_comment(tctx, "bad timeout after cancel - %.2f should be <0.25\n", d);
  99                 torture_assert(tctx, d <= 0.25, "bad timeout after cancel");
 100         }
 101
 102         torture_comment(tctx, "close the 2nd sync open\n");
 103         smbcli_close(cli->tree, fnum2);
 104
 105         torture_comment(tctx, "see if the 1st async open now succeeded\n");
 106         status = smb_raw_open_recv(req1, mem_ctx, &io);
 107         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "see if the 1st async open now succeeded");
 108
 109         d = timeval_elapsed(&tv);
 110         if (d > 0.25) {
 111                 torture_comment(tctx, "bad timeout for async conflict - %.2f should be <0.25\n", d);
 112                 torture_assert(tctx, d <= 0.25, "bad timeout for async conflict");
 113         } else {
 114                 torture_comment(tctx, "async open delay %.2f\n", d);
 115         }
 116
 117         torture_comment(tctx, "2nd async open should have timed out\n");
 118         status = smb_raw_open_recv(req2, mem_ctx, &io);
 119         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_SHARING_VIOLATION, "2nd async open should have timed out");
 120         d = timeval_elapsed(&tv);
 121         if (d < 0.8) {
 122                 torture_comment(tctx, "bad timeout for async conflict - %.2f should be 1.0\n", d);
 123         }
 124
 125         torture_comment(tctx, "close the 1st async open\n");
 126         smbcli_close(cli->tree, io.ntcreatex.out.file.fnum);
 127
 128         return ret;
 129 }
 130
 131
 132 /*
 133   test a write that hits a byte range lock and send the close after the write
 134 */
 135 static bool test_mux_write(struct torture_context *tctx, struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
 136 {
 137         union smb_write io;
 138         NTSTATUS status;
 139         int fnum;
 140         bool ret = true;
 141         struct smbcli_request *req;
 142
 143         torture_comment(tctx, "Testing multiplexed lock/write/close\n");
 144
 145         fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat", O_RDWR | O_CREAT, DENY_NONE);
 146         if (fnum == -1) {
 147                 torture_comment(tctx, "open failed in mux_write - %s\n", smbcli_errstr(cli->tree));
 148                 torture_assert(tctx, fnum != -1, "open failed in mux_write");
 149         }
 150
 151         cli->session->pid = 1;
 152
 153         status = smbcli_lock(cli->tree, fnum, 0, 4, 0, WRITE_LOCK);
 154
 155         /* lock a range */
 156         if (NT_STATUS_IS_ERR(status)) {
 157                 torture_assert_ntstatus_ok(tctx, status, "lock failed in mux_write");
 158         }
 159
 160         cli->session->pid = 2;
 161
 162         /* send an async write */
 163         io.generic.level = RAW_WRITE_WRITEX;
 164         io.writex.in.file.fnum = fnum;
 165         io.writex.in.offset = 0;
 166         io.writex.in.wmode = 0;
 167         io.writex.in.remaining = 0;
 168         io.writex.in.count = 4;
 169         io.writex.in.data = (const uint8_t *)&fnum;
 170         req = smb_raw_write_send(cli->tree, &io);
 171
 172         /* unlock the range */
 173         cli->session->pid = 1;
 174         smbcli_unlock(cli->tree, fnum, 0, 4);
 175
 176         /* and recv the async write reply */
 177         status = smb_raw_write_recv(req, &io);
 178         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_FILE_LOCK_CONFLICT, "recv the async write reply");
 179
 180         smbcli_close(cli->tree, fnum);
 181
 182         return ret;
 183 }
 184
 185
 186 /*
 187   test a lock that conflicts with an existing lock
 188 */
 189 static bool test_mux_lock(struct torture_context *tctx, struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
 190 {
 191         union smb_lock io;
 192         NTSTATUS status;
 193         int fnum;
 194         bool ret = true;
 195         struct smbcli_request *req;
 196         struct smb_lock_entry lock[1];
 197         struct timeval t;
 198
 199         torture_comment(tctx, "TESTING MULTIPLEXED LOCK/LOCK/UNLOCK\n");
 200
 201         fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat", O_RDWR | O_CREAT, DENY_NONE);
 202         if (fnum == -1) {
 203                 torture_comment(tctx, "open failed in mux_lock - %s\n", smbcli_errstr(cli->tree));
 204                 torture_assert(tctx, fnum != -1, "open failed in mux_lock");
 205         }
 206
 207         torture_comment(tctx, "establishing a lock\n");
 208         io.lockx.level = RAW_LOCK_LOCKX;
 209         io.lockx.in.file.fnum = fnum;
 210         io.lockx.in.mode = 0;
 211         io.lockx.in.timeout = 0;
 212         io.lockx.in.lock_cnt = 1;
 213         io.lockx.in.ulock_cnt = 0;
 214         lock[0].pid = 1;
 215         lock[0].offset = 0;
 216         lock[0].count = 4;
 217         io.lockx.in.locks = &lock[0];
 218
 219         status = smb_raw_lock(cli->tree, &io);
 220         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "establishing a lock");
 221
 222         torture_comment(tctx, "the second lock will conflict with the first\n");
 223         lock[0].pid = 2;
 224         io.lockx.in.timeout = 1000;
 225         status = smb_raw_lock(cli->tree, &io);
 226         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_FILE_LOCK_CONFLICT, "the second lock will conflict with the first");
 227
 228         torture_comment(tctx, "this will too, but we'll unlock while waiting\n");
 229         t = timeval_current();
 230         req = smb_raw_lock_send(cli->tree, &io);
 231
 232         torture_comment(tctx, "unlock the first range\n");
 233         lock[0].pid = 1;
 234         io.lockx.in.ulock_cnt = 1;
 235         io.lockx.in.lock_cnt = 0;
 236         io.lockx.in.timeout = 0;
 237         status = smb_raw_lock(cli->tree, &io);
 238         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "unlock the first range");
 239
 240         torture_comment(tctx, "recv the async reply\n");
 241         status = smbcli_request_simple_recv(req);
 242         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "recv the async reply");
 243
 244         torture_comment(tctx, "async lock took %.2f msec\n", timeval_elapsed(&t) * 1000);
 245         torture_assert(tctx, timeval_elapsed(&t) <= 0.1, "failed to trigger early lock retry\n");
 246
 247         torture_comment(tctx, "reopening with an exit\n");
 248         smb_raw_exit(cli->session);
 249         fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat", O_RDWR | O_CREAT, DENY_NONE);
 250
 251         torture_comment(tctx, "Now trying with a cancel\n");
 252
 253         io.lockx.level = RAW_LOCK_LOCKX;
 254         io.lockx.in.file.fnum = fnum;
 255         io.lockx.in.mode = 0;
 256         io.lockx.in.timeout = 0;
 257         io.lockx.in.lock_cnt = 1;
 258         io.lockx.in.ulock_cnt = 0;
 259         lock[0].pid = 1;
 260         lock[0].offset = 0;
 261         lock[0].count = 4;
 262         io.lockx.in.locks = &lock[0];
 263
 264         status = smb_raw_lock(cli->tree, &io);
 265         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "Now trying with a cancel");
 266
 267         lock[0].pid = 2;
 268         io.lockx.in.timeout = 1000;
 269         status = smb_raw_lock(cli->tree, &io);
 270         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_FILE_LOCK_CONFLICT, "Now trying with a cancel pid 2");
 271
 272         req = smb_raw_lock_send(cli->tree, &io);
 273
 274         /* cancel the blocking lock */
 275         smb_raw_ntcancel(req);
 276
 277         torture_comment(tctx, "sending 2nd cancel\n");
 278         /* the 2nd cancel is totally harmless, but tests the server trying to
 279            cancel an already cancelled request */
 280         smb_raw_ntcancel(req);
 281
 282         torture_comment(tctx, "sent 2nd cancel\n");
 283
 284         lock[0].pid = 1;
 285         io.lockx.in.ulock_cnt = 1;
 286         io.lockx.in.lock_cnt = 0;
 287         io.lockx.in.timeout = 0;
 288         status = smb_raw_lock(cli->tree, &io);
 289         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "clear lock");
 290
 291         status = smbcli_request_simple_recv(req);
 292         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_FILE_LOCK_CONFLICT, "recv 2nd cancel");
 293
 294         torture_comment(tctx, "cancel a lock using exit to close file\n");
 295         lock[0].pid = 1;
 296         io.lockx.in.ulock_cnt = 0;
 297         io.lockx.in.lock_cnt = 1;
 298         io.lockx.in.timeout = 1000;
 299
 300         status = smb_raw_lock(cli->tree, &io);
 301         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "cancel a lock using exit to close file");
 302
 303         t = timeval_current();
 304         lock[0].pid = 2;
 305         req = smb_raw_lock_send(cli->tree, &io);
 306
 307         smb_raw_exit(cli->session);
 308         smb_raw_exit(cli->session);
 309         smb_raw_exit(cli->session);
 310         smb_raw_exit(cli->session);
 311
 312         torture_comment(tctx, "recv the async reply\n");
 313         status = smbcli_request_simple_recv(req);
 314         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_RANGE_NOT_LOCKED, "recv the async reply");
 315         torture_comment(tctx, "async lock exit took %.2f msec\n", timeval_elapsed(&t) * 1000);
 316         torture_assert(tctx, timeval_elapsed(&t) <= 0.1, "failed to trigger early lock failure\n");
 317
 318         return ret;
 319 }
 320
 321
 322
 323 /*
 324    basic testing of multiplexing notify
 325 */
 326 bool torture_raw_mux(struct torture_context *torture, struct smbcli_state *cli)
 327 {
 328         bool ret = true;
 329         TALLOC_CTX *frame;
 330
 331         torture_assert(torture, torture_setup_dir(cli, BASEDIR), "Failed to setup up test directory: " BASEDIR);
 332         frame = talloc_stackframe();
 333
 334         ret &= test_mux_open(torture, cli, frame);
 335         ret &= test_mux_write(torture, cli, frame);
 336         ret &= test_mux_lock(torture, cli, frame);
 337
 338         smb_raw_exit(cli->session);
 339         smbcli_deltree(cli->tree, BASEDIR);
 340         TALLOC_FREE(frame);
 341         return ret;
 342 }