source4/torture/basic/delaywrite.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    test suite for delayed write update
   5
   6    Copyright (C) Volker Lendecke 2004
   7    Copyright (C) Andrew Tridgell 2004
   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 2 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, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "includes.h"
  25 #include "libcli/raw/libcliraw.h"
  26 #include "system/time.h"
  27
  28 #define BASEDIR "\\delaywrite"
  29
  30 static BOOL test_delayed_write_update(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
  31 {
  32         union smb_fileinfo finfo1, finfo2;
  33         const char *fname = BASEDIR "\\torture_file.txt";
  34         NTSTATUS status;
  35         int fnum1 = -1;
  36         BOOL ret = True;
  37         ssize_t written;
  38         time_t t;
  39
  40         printf("Testing delayed update of write time\n");
  41
  42         if (!torture_setup_dir(cli, BASEDIR)) {
  43                 return False;
  44         }
  45
  46         fnum1 = smbcli_open(cli->tree, fname, O_RDWR|O_CREAT, DENY_NONE);
  47         if (fnum1 == -1) {
  48                 printf("Failed to open %s\n", fname);
  49                 return False;
  50         }
  51
  52         finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
  53         finfo1.basic_info.in.fnum = fnum1;
  54         finfo2 = finfo1;
  55
  56         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo1);
  57
  58         if (!NT_STATUS_IS_OK(status)) {
  59                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
  60                 return False;
  61         }
  62
  63         printf("Initial write time %s\n",
  64                nt_time_string(mem_ctx, finfo1.basic_info.out.write_time));
  65
  66         /* 3 second delay to ensure we get past any 2 second time
  67            granularity (older systems may have that) */
  68         sleep(3);
  69
  70         written =  smbcli_write(cli->tree, fnum1, 0, "x", 0, 1);
  71
  72         if (written != 1) {
  73                 printf("write failed - wrote %d bytes (%s)\n", written, __location__);
  74                 return False;
  75         }
  76
  77         t = time(NULL);
  78
  79         while (time(NULL) < t+120) {
  80                 status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo2);
  81
  82                 if (!NT_STATUS_IS_OK(status)) {
  83                         DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
  84                         ret = False;
  85                         break;
  86                 }
  87                 printf("write time %s\n",
  88                        nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
  89                 if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
  90                         printf("Server updated write_time after %d seconds\n",
  91                                (int)(time(NULL) - t));
  92                         break;
  93                 }
  94                 sleep(1);
  95                 fflush(stdout);
  96         }
  97
  98         if (finfo1.basic_info.out.write_time == finfo2.basic_info.out.write_time) {
  99                 printf("Server did not update write time?!\n");
 100                 ret = False;
 101         }
 102
 103
 104         if (fnum1 != -1)
 105                 smbcli_close(cli->tree, fnum1);
 106         smbcli_unlink(cli->tree, fname);
 107         smbcli_deltree(cli->tree, BASEDIR);
 108
 109         return ret;
 110 }
 111
 112 /*
 113  * Do as above, but using 2 connections.
 114  */
 115
 116 static BOOL test_delayed_write_update2(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
 117 {
 118         struct smbcli_state *cli2=NULL;
 119         union smb_fileinfo finfo1, finfo2;
 120         const char *fname = BASEDIR "\\torture_file.txt";
 121         NTSTATUS status;
 122         int fnum1 = -1;
 123         BOOL ret = True;
 124         ssize_t written;
 125         time_t t;
 126
 127         printf("Testing delayed update of write time using 2 connections\n");
 128
 129         if (!torture_open_connection(&cli2)) {
 130                 return False;
 131         }
 132
 133         if (!torture_setup_dir(cli, BASEDIR)) {
 134                 return False;
 135         }
 136
 137         fnum1 = smbcli_open(cli->tree, fname, O_RDWR|O_CREAT, DENY_NONE);
 138         if (fnum1 == -1) {
 139                 printf("Failed to open %s\n", fname);
 140                 return False;
 141         }
 142
 143         finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 144         finfo1.basic_info.in.fnum = fnum1;
 145         finfo2 = finfo1;
 146
 147         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo1);
 148
 149         if (!NT_STATUS_IS_OK(status)) {
 150                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 151                 return False;
 152         }
 153
 154         printf("Initial write time %s\n",
 155                nt_time_string(mem_ctx, finfo1.basic_info.out.write_time));
 156
 157         /* 3 second delay to ensure we get past any 2 second time
 158            granularity (older systems may have that) */
 159         sleep(3);
 160
 161         written =  smbcli_write(cli->tree, fnum1, 0, "x", 0, 1);
 162
 163         if (written != 1) {
 164                 printf("write failed - wrote %d bytes (%s)\n", written, __location__);
 165                 return False;
 166         }
 167
 168         t = time(NULL);
 169
 170         while (time(NULL) < t+120) {
 171                 finfo2.basic_info.in.fname = fname;
 172
 173                 status = smb_raw_pathinfo(cli2->tree, mem_ctx, &finfo2);
 174
 175                 if (!NT_STATUS_IS_OK(status)) {
 176                         DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 177                         ret = False;
 178                         break;
 179                 }
 180                 printf("write time %s\n",
 181                        nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
 182                 if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
 183                         printf("Server updated write_time after %d seconds\n",
 184                                (int)(time(NULL) - t));
 185                         break;
 186                 }
 187                 sleep(1);
 188                 fflush(stdout);
 189         }
 190
 191         if (finfo1.basic_info.out.write_time == finfo2.basic_info.out.write_time) {
 192                 printf("Server did not update write time?!\n");
 193                 ret = False;
 194         }
 195
 196
 197         if (cli2 != NULL) {
 198                 torture_close_connection(cli2);
 199         }
 200         if (fnum1 != -1)
 201                 smbcli_close(cli->tree, fnum1);
 202         smbcli_unlink(cli->tree, fname);
 203         smbcli_deltree(cli->tree, BASEDIR);
 204
 205         return ret;
 206 }
 207
 208
 209 /* Windows does obviously not update the stat info during a write call. I
 210  * *think* this is the problem causing a spurious Excel 2003 on XP error
 211  * message when saving a file. Excel does a setfileinfo, writes, and then does
 212  * a getpath(!)info. Or so... For Samba sometimes it displays an error message
 213  * that the file might have been changed in between. What i've been able to
 214  * trace down is that this happens if the getpathinfo after the write shows a
 215  * different last write time than the setfileinfo showed. This is really
 216  * nasty....
 217  */
 218
 219 static BOOL test_finfo_after_write(struct smbcli_state *cli, TALLOC_CTX *mem_ctx)
 220 {
 221         union smb_fileinfo finfo1, finfo2;
 222         const char *fname = BASEDIR "\\torture_file.txt";
 223         NTSTATUS status;
 224         int fnum1 = -1;
 225         int fnum2;
 226         BOOL ret = True;
 227         ssize_t written;
 228         struct smbcli_state *cli2=NULL;
 229
 230         printf("Testing finfo update on close\n");
 231
 232         if (!torture_setup_dir(cli, BASEDIR)) {
 233                 return False;
 234         }
 235
 236         fnum1 = smbcli_open(cli->tree, fname, O_RDWR|O_CREAT, DENY_NONE);
 237         if (fnum1 == -1) {
 238                 ret = False;
 239                 goto done;
 240         }
 241
 242         finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 243         finfo1.basic_info.in.fnum = fnum1;
 244
 245         status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo1);
 246
 247         if (!NT_STATUS_IS_OK(status)) {
 248                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 249                 ret = False;
 250                 goto done;
 251         }
 252
 253         msleep(1000);
 254
 255         written =  smbcli_write(cli->tree, fnum1, 0, "x", 0, 1);
 256
 257         if (written != 1) {
 258                 printf("(%s) written gave %d - should have been 1\n",
 259                        __location__, written);
 260                 ret = False;
 261                 goto done;
 262         }
 263
 264         if (!torture_open_connection(&cli2)) {
 265                 return False;
 266         }
 267
 268         fnum2 = smbcli_open(cli2->tree, fname, O_RDWR, DENY_NONE);
 269         if (fnum2 == -1) {
 270                 printf("(%s) failed to open 2nd time - %s\n",
 271                        __location__, smbcli_errstr(cli2->tree));
 272                 ret = False;
 273                 goto done;
 274         }
 275
 276         written =  smbcli_write(cli2->tree, fnum2, 0, "x", 0, 1);
 277
 278         if (written != 1) {
 279                 printf("(%s) written gave %d - should have been 1\n",
 280                        __location__, written);
 281                 ret = False;
 282                 goto done;
 283         }
 284
 285         finfo2.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 286         finfo2.basic_info.in.fname = fname;
 287
 288         status = smb_raw_pathinfo(cli2->tree, mem_ctx, &finfo2);
 289
 290         if (!NT_STATUS_IS_OK(status)) {
 291                 DEBUG(0, ("(%s) fileinfo failed: %s\n",
 292                           __location__, nt_errstr(status)));
 293                 ret = False;
 294                 goto done;
 295         }
 296
 297         if (finfo1.basic_info.out.create_time !=
 298             finfo2.basic_info.out.create_time) {
 299                 printf("(%s) create_time changed\n", __location__);
 300                 ret = False;
 301                 goto done;
 302         }
 303
 304         if (finfo1.basic_info.out.access_time !=
 305             finfo2.basic_info.out.access_time) {
 306                 printf("(%s) access_time changed\n", __location__);
 307                 ret = False;
 308                 goto done;
 309         }
 310
 311         if (finfo1.basic_info.out.write_time !=
 312             finfo2.basic_info.out.write_time) {
 313                 printf("(%s) write_time changed\n", __location__);
 314                 ret = False;
 315                 goto done;
 316         }
 317
 318         if (finfo1.basic_info.out.change_time !=
 319             finfo2.basic_info.out.change_time) {
 320                 printf("(%s) change_time changed\n", __location__);
 321                 ret = False;
 322                 goto done;
 323         }
 324
 325         /* One of the two following calls updates the qpathinfo. */
 326
 327         /* If you had skipped the smbcli_write on fnum2, it would
 328          * *not* have updated the stat on disk */
 329
 330         smbcli_close(cli2->tree, fnum2);
 331         torture_close_connection(cli2);
 332         cli2 = NULL;
 333
 334         /* This call is only for the people looking at ethereal :-) */
 335         finfo2.basic_info.level = RAW_FILEINFO_BASIC_INFO;
 336         finfo2.basic_info.in.fname = fname;
 337
 338         status = smb_raw_pathinfo(cli->tree, mem_ctx, &finfo2);
 339
 340         if (!NT_STATUS_IS_OK(status)) {
 341                 DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
 342                 ret = False;
 343                 goto done;
 344         }
 345
 346  done:
 347         if (fnum1 != -1)
 348                 smbcli_close(cli->tree, fnum1);
 349         smbcli_unlink(cli->tree, fname);
 350         smbcli_deltree(cli->tree, BASEDIR);
 351         if (cli2 != NULL) {
 352                 torture_close_connection(cli2);
 353         }
 354
 355         return ret;
 356 }
 357
 358
 359 /*
 360    testing of delayed update of write_time
 361 */
 362 BOOL torture_delay_write(void)
 363 {
 364         struct smbcli_state *cli;
 365         BOOL ret = True;
 366         TALLOC_CTX *mem_ctx;
 367
 368         if (!torture_open_connection(&cli)) {
 369                 return False;
 370         }
 371
 372         mem_ctx = talloc_init("torture_delay_write");
 373
 374         ret &= test_finfo_after_write(cli, mem_ctx);
 375         ret &= test_delayed_write_update(cli, mem_ctx);
 376         ret &= test_delayed_write_update2(cli, mem_ctx);
 377
 378         torture_close_connection(cli);
 379         talloc_destroy(mem_ctx);
 380         return ret;
 381 }