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
  27 #define BASEDIR "\\test_mux"
  28
  29 #define CHECK_STATUS(status, correct) do { \
  30         if (!NT_STATUS_EQUAL(status, correct)) { \
  31                 printf("(%s) Incorrect status %s - should be %s\n", \
  32                        __location__, nt_errstr(status), nt_errstr(correct)); \
  33                 ret = false; \
  34                 goto done; \
  35         }} while (0)
  36
  37
  38 /*
  39   test the delayed reply to a open that leads to a sharing violation
  40 */
  41 static bool test_mux_open(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
  42 {
  43         union smb_open io;
  44         NTSTATUS status;
  45         int fnum1, fnum2;
  46         bool ret = true;
  47         struct smbcli_request *req1, *req2;
  48         struct timeval tv;
  49         double d;
  50
  51         printf("Testing multiplexed open/open/close\n");
  52
  53         printf("send first open\n");
  54         io.generic.level = RAW_OPEN_NTCREATEX;
  55         io.ntcreatex.in.root_fid.fnum = 0;
  56         io.ntcreatex.in.flags = 0;
  57         io.ntcreatex.in.access_mask = SEC_FILE_READ_DATA;
  58         io.ntcreatex.in.create_options = 0;
  59         io.ntcreatex.in.file_attr = FILE_ATTRIBUTE_NORMAL;
  60         io.ntcreatex.in.share_access = NTCREATEX_SHARE_ACCESS_READ;
  61         io.ntcreatex.in.alloc_size = 0;
  62         io.ntcreatex.in.open_disposition = NTCREATEX_DISP_CREATE;
  63         io.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_ANONYMOUS;
  64         io.ntcreatex.in.security_flags = 0;
  65         io.ntcreatex.in.fname = BASEDIR "\\open.dat";
  66         status = smb_raw_open(cli->tree, mem_ctx, &io);
  67         CHECK_STATUS(status, NT_STATUS_OK);
  68         fnum1 = io.ntcreatex.out.file.fnum;
  69
  70         printf("send 2nd open, non-conflicting\n");
  71         io.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
  72         status = smb_raw_open(cli->tree, mem_ctx, &io);
  73         CHECK_STATUS(status, NT_STATUS_OK);
  74         fnum2 = io.ntcreatex.out.file.fnum;
  75
  76         tv = timeval_current();
  77
  78         printf("send 3rd open, conflicting\n");
  79         io.ntcreatex.in.share_access = 0;
  80         status = smb_raw_open(cli->tree, mem_ctx, &io);
  81         CHECK_STATUS(status, NT_STATUS_SHARING_VIOLATION);
  82
  83         d = timeval_elapsed(&tv);
  84         if (d < 0.5 || d > 1.5) {
  85                 printf("bad timeout for conflict - %.2f should be 1.0\n", d);
  86         } else {
  87                 printf("open delay %.2f\n", d);
  88         }
  89
  90         printf("send async open, conflicting\n");
  91         tv = timeval_current();
  92         req1 = smb_raw_open_send(cli->tree, &io);
  93
  94         printf("send 2nd async open, conflicting\n");
  95         tv = timeval_current();
  96         req2 = smb_raw_open_send(cli->tree, &io);
  97
  98         printf("close first sync open\n");
  99         smbcli_close(cli->tree, fnum1);
 100
 101         printf("cancel 2nd async open (should be ignored)\n");
 102         smb_raw_ntcancel(req2);
 103
 104         d = timeval_elapsed(&tv);
 105         if (d > 0.25) {
 106                 printf("bad timeout after cancel - %.2f should be <0.25\n", d);
 107                 ret = false;
 108         }
 109
 110         printf("close the 2nd sync open\n");
 111         smbcli_close(cli->tree, fnum2);
 112
 113         printf("see if the 1st async open now succeeded\n");
 114         status = smb_raw_open_recv(req1, mem_ctx, &io);
 115         CHECK_STATUS(status, NT_STATUS_OK);
 116
 117         d = timeval_elapsed(&tv);
 118         if (d > 0.25) {
 119                 printf("bad timeout for async conflict - %.2f should be <0.25\n", d);
 120                 ret = false;
 121         } else {
 122                 printf("async open delay %.2f\n", d);
 123         }
 124
 125         printf("2nd async open should have timed out\n");
 126         status = smb_raw_open_recv(req2, mem_ctx, &io);
 127         CHECK_STATUS(status, NT_STATUS_SHARING_VIOLATION);
 128         d = timeval_elapsed(&tv);
 129         if (d < 0.8) {
 130                 printf("bad timeout for async conflict - %.2f should be 1.0\n", d);
 131         }
 132
 133         printf("close the 1st async open\n");
 134         smbcli_close(cli->tree, io.ntcreatex.out.file.fnum);
 135
 136 done:
 137         return ret;
 138 }
 139
 140
 141 /*
 142   test a write that hits a byte range lock and send the close after the write
 143 */
 144 static bool test_mux_write(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
 145 {
 146         union smb_write io;
 147         NTSTATUS status;
 148         int fnum;
 149         bool ret = true;
 150         struct smbcli_request *req;
 151
 152         printf("Testing multiplexed lock/write/close\n");
 153
 154         fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat", O_RDWR | O_CREAT, DENY_NONE);
 155         if (fnum == -1) {
 156                 printf("open failed in mux_write - %s\n", smbcli_errstr(cli->tree));
 157                 ret = false;
 158                 goto done;
 159         }
 160
 161         cli->session->pid = 1;
 162
 163         /* lock a range */
 164         if (NT_STATUS_IS_ERR(smbcli_lock(cli->tree, fnum, 0, 4, 0, WRITE_LOCK))) {
 165                 printf("lock failed in mux_write - %s\n", smbcli_errstr(cli->tree));
 166                 ret = false;
 167                 goto done;
 168         }
 169
 170         cli->session->pid = 2;
 171
 172         /* send an async write */
 173         io.generic.level = RAW_WRITE_WRITEX;
 174         io.writex.in.file.fnum = fnum;
 175         io.writex.in.offset = 0;
 176         io.writex.in.wmode = 0;
 177         io.writex.in.remaining = 0;
 178         io.writex.in.count = 4;
 179         io.writex.in.data = (const uint8_t *)&fnum;
 180         req = smb_raw_write_send(cli->tree, &io);
 181
 182         /* unlock the range */
 183         cli->session->pid = 1;
 184         smbcli_unlock(cli->tree, fnum, 0, 4);
 185
 186         /* and recv the async write reply */
 187         status = smb_raw_write_recv(req, &io);
 188         CHECK_STATUS(status, NT_STATUS_FILE_LOCK_CONFLICT);
 189
 190         smbcli_close(cli->tree, fnum);
 191
 192 done:
 193         return ret;
 194 }
 195
 196
 197 /*
 198   test a lock that conflicts with an existing lock
 199 */
 200 static bool test_mux_lock(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
 201 {
 202         union smb_lock io;
 203         NTSTATUS status;
 204         int fnum;
 205         bool ret = true;
 206         struct smbcli_request *req;
 207         struct smb_lock_entry lock[1];
 208         struct timeval t;
 209
 210         printf("TESTING MULTIPLEXED LOCK/LOCK/UNLOCK\n");
 211
 212         fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat", O_RDWR | O_CREAT, DENY_NONE);
 213         if (fnum == -1) {
 214                 printf("open failed in mux_write - %s\n", smbcli_errstr(cli->tree));
 215                 ret = false;
 216                 goto done;
 217         }
 218
 219         printf("establishing a lock\n");
 220         io.lockx.level = RAW_LOCK_LOCKX;
 221         io.lockx.in.file.fnum = fnum;
 222         io.lockx.in.mode = 0;
 223         io.lockx.in.timeout = 0;
 224         io.lockx.in.lock_cnt = 1;
 225         io.lockx.in.ulock_cnt = 0;
 226         lock[0].pid = 1;
 227         lock[0].offset = 0;
 228         lock[0].count = 4;
 229         io.lockx.in.locks = &lock[0];
 230
 231         status = smb_raw_lock(cli->tree, &io);
 232         CHECK_STATUS(status, NT_STATUS_OK);
 233
 234         printf("the second lock will conflict with the first\n");
 235         lock[0].pid = 2;
 236         io.lockx.in.timeout = 1000;
 237         status = smb_raw_lock(cli->tree, &io);
 238         CHECK_STATUS(status, NT_STATUS_FILE_LOCK_CONFLICT);
 239
 240         printf("this will too, but we'll unlock while waiting\n");
 241         t = timeval_current();
 242         req = smb_raw_lock_send(cli->tree, &io);
 243
 244         printf("unlock the first range\n");
 245         lock[0].pid = 1;
 246         io.lockx.in.ulock_cnt = 1;
 247         io.lockx.in.lock_cnt = 0;
 248         io.lockx.in.timeout = 0;
 249         status = smb_raw_lock(cli->tree, &io);
 250         CHECK_STATUS(status, NT_STATUS_OK);
 251
 252         printf("recv the async reply\n");
 253         status = smbcli_request_simple_recv(req);
 254         CHECK_STATUS(status, NT_STATUS_OK);
 255
 256         printf("async lock took %.2f msec\n", timeval_elapsed(&t) * 1000);
 257         if (timeval_elapsed(&t) > 0.1) {
 258                 printf("failed to trigger early lock retry\n");
 259                 return false;
 260         }
 261
 262         printf("reopening with an exit\n");
 263         smb_raw_exit(cli->session);
 264         fnum = smbcli_open(cli->tree, BASEDIR "\\write.dat", O_RDWR | O_CREAT, DENY_NONE);
 265
 266         printf("Now trying with a cancel\n");
 267
 268         io.lockx.level = RAW_LOCK_LOCKX;
 269         io.lockx.in.file.fnum = fnum;
 270         io.lockx.in.mode = 0;
 271         io.lockx.in.timeout = 0;
 272         io.lockx.in.lock_cnt = 1;
 273         io.lockx.in.ulock_cnt = 0;
 274         lock[0].pid = 1;
 275         lock[0].offset = 0;
 276         lock[0].count = 4;
 277         io.lockx.in.locks = &lock[0];
 278
 279         status = smb_raw_lock(cli->tree, &io);
 280         CHECK_STATUS(status, NT_STATUS_OK);
 281
 282         lock[0].pid = 2;
 283         io.lockx.in.timeout = 1000;
 284         status = smb_raw_lock(cli->tree, &io);
 285         CHECK_STATUS(status, NT_STATUS_FILE_LOCK_CONFLICT);
 286
 287         req = smb_raw_lock_send(cli->tree, &io);
 288
 289         /* cancel the blocking lock */
 290         smb_raw_ntcancel(req);
 291
 292         printf("sending 2nd cancel\n");
 293         /* the 2nd cancel is totally harmless, but tests the server trying to
 294            cancel an already cancelled request */
 295         smb_raw_ntcancel(req);
 296
 297         printf("sent 2nd cancel\n");
 298
 299         lock[0].pid = 1;
 300         io.lockx.in.ulock_cnt = 1;
 301         io.lockx.in.lock_cnt = 0;
 302         io.lockx.in.timeout = 0;
 303         status = smb_raw_lock(cli->tree, &io);
 304         CHECK_STATUS(status, NT_STATUS_OK);
 305
 306         status = smbcli_request_simple_recv(req);
 307         CHECK_STATUS(status, NT_STATUS_FILE_LOCK_CONFLICT);
 308
 309         printf("cancel a lock using exit to close file\n");
 310         lock[0].pid = 1;
 311         io.lockx.in.ulock_cnt = 0;
 312         io.lockx.in.lock_cnt = 1;
 313         io.lockx.in.timeout = 1000;
 314
 315         status = smb_raw_lock(cli->tree, &io);
 316         CHECK_STATUS(status, NT_STATUS_OK);
 317
 318         t = timeval_current();
 319         lock[0].pid = 2;
 320         req = smb_raw_lock_send(cli->tree, &io);
 321
 322         smb_raw_exit(cli->session);
 323         smb_raw_exit(cli->session);
 324         smb_raw_exit(cli->session);
 325         smb_raw_exit(cli->session);
 326
 327         printf("recv the async reply\n");
 328         status = smbcli_request_simple_recv(req);
 329         CHECK_STATUS(status, NT_STATUS_RANGE_NOT_LOCKED);
 330         printf("async lock exit took %.2f msec\n", timeval_elapsed(&t) * 1000);
 331         if (timeval_elapsed(&t) > 0.1) {
 332                 printf("failed to trigger early lock failure\n");
 333                 return false;
 334         }
 335
 336 done:
 337         return ret;
 338 }
 339
 340
 341
 342 /*
 343    basic testing of multiplexing notify
 344 */
 345 bool torture_raw_mux(struct torture_context *torture, struct smbcli_state *cli)
 346 {
 347         bool ret = true;
 348
 349         if (!torture_setup_dir(cli, BASEDIR)) {
 350                 return false;
 351         }
 352
 353         ret &= test_mux_open(cli, torture);
 354         ret &= test_mux_write(cli, torture);
 355         ret &= test_mux_lock(cli, torture);
 356
 357         smb_raw_exit(cli->session);
 358         smbcli_deltree(cli->tree, BASEDIR);
 359         return ret;
 360 }