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