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         printf("Testing multiplexed open/open/close\n");
  44
  45         printf("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         printf("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         printf("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                 printf("bad timeout for conflict - %.2f should be 1.0\n", d);
  78         } else {
  79                 printf("open delay %.2f\n", d);
  80         }
  81
  82         printf("send async open, conflicting\n");
  83         tv = timeval_current();
  84         req1 = smb_raw_open_send(cli->tree, &io);
  85
  86         printf("send 2nd async open, conflicting\n");
  87         tv = timeval_current();
  88         req2 = smb_raw_open_send(cli->tree, &io);
  89
  90         printf("close first sync open\n");
  91         smbcli_close(cli->tree, fnum1);
  92
  93         printf("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                 printf("bad timeout after cancel - %.2f should be <0.25\n", d);
  99                 ret = false;
 100         }
 101
 102         printf("close the 2nd sync open\n");
 103         smbcli_close(cli->tree, fnum2);
 104
 105         printf("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                 printf("bad timeout for async conflict - %.2f should be <0.25\n", d);
 112                 ret = false;
 113         } else {
 114                 printf("async open delay %.2f\n", d);
 115         }
 116
 117         printf("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                 printf("bad timeout for async conflict - %.2f should be 1.0\n", d);
 123         }
 124
 125         printf("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         printf("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                 printf("open failed in mux_write - %s\n", smbcli_errstr(cli->tree));
 148                 ret = false;
 149                 goto done;
 150         }
 151
 152         cli->session->pid = 1;
 153
 154         /* lock a range */
 155         if (NT_STATUS_IS_ERR(smbcli_lock(cli->tree, fnum, 0, 4, 0, WRITE_LOCK))) {
 156                 printf("lock failed in mux_write - %s\n", smbcli_errstr(cli->tree));
 157                 ret = false;
 158                 goto done;
 159         }
 160
 161         cli->session->pid = 2;
 162
 163         /* send an async write */
 164         io.generic.level = RAW_WRITE_WRITEX;
 165         io.writex.in.file.fnum = fnum;
 166         io.writex.in.offset = 0;
 167         io.writex.in.wmode = 0;
 168         io.writex.in.remaining = 0;
 169         io.writex.in.count = 4;
 170         io.writex.in.data = (const uint8_t *)&fnum;
 171         req = smb_raw_write_send(cli->tree, &io);
 172
 173         /* unlock the range */
 174         cli->session->pid = 1;
 175         smbcli_unlock(cli->tree, fnum, 0, 4);
 176
 177         /* and recv the async write reply */
 178         status = smb_raw_write_recv(req, &io);
 179         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_FILE_LOCK_CONFLICT, "recv the async write reply");
 180
 181         smbcli_close(cli->tree, fnum);
 182
 183 done:
 184         return ret;
 185 }
 186
 187
 188 /*
 189   test a lock that conflicts with an existing lock
 190 */
 191 static bool test_mux_lock(struct torture_context *tctx, struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
 192 {
 193         union smb_lock io;
 194         NTSTATUS status;
 195         int fnum;
 196         bool ret = true;
 197         struct smbcli_request *req;
 198         struct smb_lock_entry lock[1];
 199         struct timeval t;
 200
 201         printf("TESTING MULTIPLEXED LOCK/LOCK/UNLOCK\n");
 202
 203         fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat", O_RDWR | O_CREAT, DENY_NONE);
 204         if (fnum == -1) {
 205                 printf("open failed in mux_write - %s\n", smbcli_errstr(cli->tree));
 206                 ret = false;
 207                 goto done;
 208         }
 209
 210         printf("establishing a lock\n");
 211         io.lockx.level = RAW_LOCK_LOCKX;
 212         io.lockx.in.file.fnum = fnum;
 213         io.lockx.in.mode = 0;
 214         io.lockx.in.timeout = 0;
 215         io.lockx.in.lock_cnt = 1;
 216         io.lockx.in.ulock_cnt = 0;
 217         lock[0].pid = 1;
 218         lock[0].offset = 0;
 219         lock[0].count = 4;
 220         io.lockx.in.locks = &lock[0];
 221
 222         status = smb_raw_lock(cli->tree, &io);
 223         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "establishing a lock");
 224
 225         printf("the second lock will conflict with the first\n");
 226         lock[0].pid = 2;
 227         io.lockx.in.timeout = 1000;
 228         status = smb_raw_lock(cli->tree, &io);
 229         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_FILE_LOCK_CONFLICT, "the second lock will conflict with the first");
 230
 231         printf("this will too, but we'll unlock while waiting\n");
 232         t = timeval_current();
 233         req = smb_raw_lock_send(cli->tree, &io);
 234
 235         printf("unlock the first range\n");
 236         lock[0].pid = 1;
 237         io.lockx.in.ulock_cnt = 1;
 238         io.lockx.in.lock_cnt = 0;
 239         io.lockx.in.timeout = 0;
 240         status = smb_raw_lock(cli->tree, &io);
 241         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "unlock the first range");
 242
 243         printf("recv the async reply\n");
 244         status = smbcli_request_simple_recv(req);
 245         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "recv the async reply");
 246
 247         printf("async lock took %.2f msec\n", timeval_elapsed(&t) * 1000);
 248         if (timeval_elapsed(&t) > 0.1) {
 249                 printf("failed to trigger early lock retry\n");
 250                 return false;
 251         }
 252
 253         printf("reopening with an exit\n");
 254         smb_raw_exit(cli->session);
 255         fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat", O_RDWR | O_CREAT, DENY_NONE);
 256
 257         printf("Now trying with a cancel\n");
 258
 259         io.lockx.level = RAW_LOCK_LOCKX;
 260         io.lockx.in.file.fnum = fnum;
 261         io.lockx.in.mode = 0;
 262         io.lockx.in.timeout = 0;
 263         io.lockx.in.lock_cnt = 1;
 264         io.lockx.in.ulock_cnt = 0;
 265         lock[0].pid = 1;
 266         lock[0].offset = 0;
 267         lock[0].count = 4;
 268         io.lockx.in.locks = &lock[0];
 269
 270         status = smb_raw_lock(cli->tree, &io);
 271         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "Now trying with a cancel");
 272
 273         lock[0].pid = 2;
 274         io.lockx.in.timeout = 1000;
 275         status = smb_raw_lock(cli->tree, &io);
 276         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_FILE_LOCK_CONFLICT, "Now trying with a cancel pid 2");
 277
 278         req = smb_raw_lock_send(cli->tree, &io);
 279
 280         /* cancel the blocking lock */
 281         smb_raw_ntcancel(req);
 282
 283         printf("sending 2nd cancel\n");
 284         /* the 2nd cancel is totally harmless, but tests the server trying to
 285            cancel an already cancelled request */
 286         smb_raw_ntcancel(req);
 287
 288         printf("sent 2nd cancel\n");
 289
 290         lock[0].pid = 1;
 291         io.lockx.in.ulock_cnt = 1;
 292         io.lockx.in.lock_cnt = 0;
 293         io.lockx.in.timeout = 0;
 294         status = smb_raw_lock(cli->tree, &io);
 295         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "clear lock");
 296
 297         status = smbcli_request_simple_recv(req);
 298         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_FILE_LOCK_CONFLICT, "recv 2nd cancel");
 299
 300         printf("cancel a lock using exit to close file\n");
 301         lock[0].pid = 1;
 302         io.lockx.in.ulock_cnt = 0;
 303         io.lockx.in.lock_cnt = 1;
 304         io.lockx.in.timeout = 1000;
 305
 306         status = smb_raw_lock(cli->tree, &io);
 307         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_OK, "cancel a lock using exit to close file");
 308
 309         t = timeval_current();
 310         lock[0].pid = 2;
 311         req = smb_raw_lock_send(cli->tree, &io);
 312
 313         smb_raw_exit(cli->session);
 314         smb_raw_exit(cli->session);
 315         smb_raw_exit(cli->session);
 316         smb_raw_exit(cli->session);
 317
 318         printf("recv the async reply\n");
 319         status = smbcli_request_simple_recv(req);
 320         torture_assert_ntstatus_equal(tctx, status, NT_STATUS_RANGE_NOT_LOCKED, "recv the async reply");
 321         printf("async lock exit took %.2f msec\n", timeval_elapsed(&t) * 1000);
 322         if (timeval_elapsed(&t) > 0.1) {
 323                 printf("failed to trigger early lock failure\n");
 324                 return false;
 325         }
 326
 327 done:
 328         return ret;
 329 }
 330
 331
 332
 333 /*
 334    basic testing of multiplexing notify
 335 */
 336 bool torture_raw_mux(struct torture_context *torture, struct smbcli_state *cli)
 337 {
 338         bool ret = true;
 339         TALLOC_CTX *frame;
 340
 341         torture_assert(torture, torture_setup_dir(cli, BASEDIR), "Failed to setup up test directory: " BASEDIR);
 342         frame = talloc_stackframe();
 343
 344         ret &= test_mux_open(torture, cli, frame);
 345         ret &= test_mux_write(torture, cli, frame);
 346         ret &= test_mux_lock(torture, cli, frame);
 347
 348         smb_raw_exit(cli->session);
 349         smbcli_deltree(cli->tree, BASEDIR);
 350         TALLOC_FREE(frame);
 351         return ret;
 352 }