tools/tests/xnu_quick_test/32bit_inode_tests.c

   1 /*
   2  *  32bit_inode_tests.c
   3  *  xnu_quick_test
   4  *
   5  *  Created by Ryan Branche on 2/17/08.
   6  *  Copyright 2008 Apple Inc. All rights reserved.
   7  *
   8  */
   9
  10 /*
  11  * Explicitely turn off 64-bit inodes because we are testing the 32-bit inode
  12  * versions of statfs functions and getdirentries doesn't support 64-bit inodes.
  13  */
  14 #define _DARWIN_NO_64_BIT_INODE 1
  15
  16 #include "tests.h"
  17 #include <mach/mach.h>
  18 #include <dirent.h>
  19
  20 extern char             g_target_path[ PATH_MAX ];
  21 extern int              g_skip_setuid_tests;
  22 extern int              g_is_single_user;
  23
  24 /*  **************************************************************************************************************
  25  *      Test getdirentries system call.
  26  *  **************************************************************************************************************
  27  */
  28 struct test_attr_buf {
  29         uint32_t                length;
  30         fsobj_type_t            obj_type;
  31         fsobj_id_t              obj_id;
  32         struct timespec         backup_time;
  33 };
  34
  35 typedef struct test_attr_buf test_attr_buf;
  36
  37 int getdirentries_test( void * the_argp )
  38 {
  39         int                                     my_err, done, found_it, i;
  40         int                                     my_fd = -1;
  41         int                                     is_ufs = 0;
  42         char *                          my_pathp = NULL;
  43         char *                          my_bufp = NULL;
  44         char *                          my_file_namep;
  45         unsigned long           my_base;
  46         unsigned long           my_count;
  47         unsigned long           my_new_state;
  48         fsobj_id_t                      my_obj_id;
  49         struct timespec         my_new_backup_time;
  50         struct attrlist         my_attrlist;
  51         test_attr_buf           my_attr_buf[4];
  52         struct statfs           my_statfs_buf;
  53         kern_return_t           my_kr;
  54
  55         /* need to know type of file system */
  56         my_err = statfs( &g_target_path[0], &my_statfs_buf );
  57         if ( my_err == -1 ) {
  58                 printf( "statfs call failed.  got errno %d - %s. \n", errno, strerror( errno ) );
  59                 goto test_failed_exit;
  60         }
  61         if ( memcmp( &my_statfs_buf.f_fstypename[0], "ufs", 3 ) == 0 ) {
  62                 is_ufs = 1;
  63         }
  64
  65         my_kr = vm_allocate((vm_map_t) mach_task_self(), (vm_address_t*)&my_bufp, (1024 * 5), VM_FLAGS_ANYWHERE);
  66         if(my_kr != KERN_SUCCESS){
  67                 printf( "vm_allocate failed with error %d - \"%s\" \n", errno, strerror( errno) );
  68                 goto test_failed_exit;
  69         }
  70
  71         my_kr = vm_allocate((vm_map_t) mach_task_self(), (vm_address_t*)&my_pathp, PATH_MAX, VM_FLAGS_ANYWHERE);
  72         if(my_kr != KERN_SUCCESS){
  73                 printf( "vm_allocate failed with error %d - \"%s\" \n", errno, strerror( errno) );
  74                 goto test_failed_exit;
  75         }
  76
  77         *my_pathp = 0x00;
  78         strcat( my_pathp, &g_target_path[0] );
  79         strcat( my_pathp, "/" );
  80
  81         /* create a test file */
  82         my_err = create_random_name( my_pathp, 1 );
  83         if ( my_err != 0 ) {
  84                 goto test_failed_exit;
  85         }
  86
  87         /* get pointer to just the file name */
  88         my_file_namep = strrchr( my_pathp, '/' );
  89         my_file_namep++;
  90
  91         /* check out the  test directory */
  92         my_fd = open( &g_target_path[0], (O_RDONLY), 0 );
  93         if ( my_fd == -1 ) {
  94                 printf( "open failed with error %d - \"%s\" \n", errno, strerror( errno) );
  95                 goto test_failed_exit;
  96         }
  97
  98         done = found_it = 0;
  99         while ( done == 0 ) {
 100                 int                                     my_result, i;
 101                 struct dirent *         my_dirent_p;
 102
 103                 /* This call requires that 64-bit inodes are disabled */
 104                 my_result = getdirentries( my_fd, my_bufp, (1024 * 5), &my_base );
 105                 if ( my_result <= 0 )
 106                         break;
 107                 for ( i = 0; i < my_result; ) {
 108                         my_dirent_p = (struct dirent *) (my_bufp + i);
 109 #if DEBUG
 110                         printf( "d_ino %d d_reclen %d d_type %d d_namlen %d \"%s\" \n",
 111                                          my_dirent_p->d_ino, my_dirent_p->d_reclen, my_dirent_p->d_type,
 112                                          my_dirent_p->d_namlen, &my_dirent_p->d_name[0] );
 113 #endif
 114
 115                         i += my_dirent_p->d_reclen;
 116                         /* validate results by looking for our test file */
 117                         if ( my_dirent_p->d_type == DT_REG && my_dirent_p->d_ino != 0 &&
 118                                  strlen( my_file_namep ) == my_dirent_p->d_namlen &&
 119                                  memcmp( &my_dirent_p->d_name[0], my_file_namep, my_dirent_p->d_namlen ) == 0 ) {
 120                                 done = found_it = 1;
 121                                 break;
 122                         }
 123                 }
 124         }
 125         if ( found_it == 0 ) {
 126                 printf( "getdirentries failed to find test file. \n" );
 127                 goto test_failed_exit;
 128         }
 129
 130 test_failed_exit:
 131         if(my_err != 0)
 132                 my_err = -1;
 133
 134 test_passed_exit:
 135         if ( my_fd != -1 )
 136                 close( my_fd );
 137         if ( my_pathp != NULL ) {
 138                 remove( my_pathp );
 139                 vm_deallocate(mach_task_self(), (vm_address_t)my_pathp, PATH_MAX);
 140         }
 141         if ( my_bufp != NULL ) {
 142                 vm_deallocate(mach_task_self(), (vm_address_t)my_bufp, (1024 * 5));
 143         }
 144
 145         return( my_err );
 146 }
 147
 148
 149 /*  **************************************************************************************************************
 150  *      Test 32-bit inode versions of statfs, fstatfs, and getfsstat system calls.
 151  *  **************************************************************************************************************
 152  */
 153
 154 #pragma pack(4)
 155 struct vol_attr_buf {
 156         u_int32_t       length;
 157         off_t           volume_size;
 158         u_int32_t       io_blksize;
 159 };
 160 #pragma pack()
 161 typedef struct vol_attr_buf vol_attr_buf;
 162
 163 int statfs_32bit_inode_tests( void * the_argp )
 164 {
 165         int                                     my_err, my_count, i;
 166         int                                     my_buffer_size;
 167         int                                     my_fd = -1;
 168         int                                     is_ufs = 0;
 169         void *                          my_bufferp = NULL;
 170         struct statfs *         my_statfsp;
 171         long                            my_io_size;
 172         fsid_t                          my_fsid;
 173         struct attrlist         my_attrlist;
 174         vol_attr_buf            my_attr_buf;
 175         kern_return_t           my_kr;
 176
 177         my_buffer_size = (sizeof(struct statfs) * 10);
 178         my_kr = vm_allocate((vm_map_t) mach_task_self(), (vm_address_t*)&my_bufferp, my_buffer_size, VM_FLAGS_ANYWHERE);
 179         if(my_kr != KERN_SUCCESS){
 180                 printf( "vm_allocate failed with error %d - \"%s\" \n", errno, strerror( errno) );
 181                 goto test_failed_exit;
 182         }
 183
 184         my_statfsp = (struct statfs *) my_bufferp;
 185         my_err = statfs( "/", my_statfsp );
 186         if ( my_err == -1 ) {
 187                 printf( "statfs call failed.  got errno %d - %s. \n", errno, strerror( errno ) );
 188                 goto test_failed_exit;
 189         }
 190         if ( memcmp( &my_statfsp->f_fstypename[0], "ufs", 3 ) == 0 ) {
 191                 is_ufs = 1;
 192         }
 193
 194         my_count = getfsstat( (struct statfs *)my_bufferp, my_buffer_size, MNT_NOWAIT );
 195         if ( my_count == -1 ) {
 196                 printf( "getfsstat call failed.  got errno %d - %s. \n", errno, strerror( errno ) );
 197                 goto test_failed_exit;
 198         }
 199
 200         /* validate results */
 201         my_statfsp = (struct statfs *) my_bufferp;
 202         for ( i = 0; i < my_count; i++, my_statfsp++ ) {
 203                 if ( memcmp( &my_statfsp->f_fstypename[0], "hfs", 3 ) == 0 ||
 204                          memcmp( &my_statfsp->f_fstypename[0], "ufs", 3 ) == 0 ||
 205                          memcmp( &my_statfsp->f_fstypename[0], "devfs", 5 ) == 0 ||
 206                          memcmp( &my_statfsp->f_fstypename[0], "volfs", 5 ) == 0 ) {
 207                         /* found a valid entry */
 208                         break;
 209                 }
 210         }
 211         if ( i >= my_count ) {
 212                 printf( "getfsstat call failed.  could not find valid f_fstypename! \n" );
 213                 goto test_failed_exit;
 214         }
 215
 216         /* set up to validate results via multiple sources.  we use getattrlist to get volume
 217          * related attributes to verify against results from fstatfs and statfs - but only if
 218          * we are not targeting ufs volume since it doesn't support getattr calls
 219          */
 220         if ( is_ufs == 0 ) {
 221                 memset( &my_attrlist, 0, sizeof(my_attrlist) );
 222                 my_attrlist.bitmapcount = ATTR_BIT_MAP_COUNT;
 223                 my_attrlist.volattr = (ATTR_VOL_SIZE | ATTR_VOL_IOBLOCKSIZE);
 224                 my_err = getattrlist( "/", &my_attrlist, &my_attr_buf, sizeof(my_attr_buf), 0 );
 225                 if ( my_err != 0 ) {
 226                         printf( "getattrlist call failed.  got errno %d - %s. \n", errno, strerror( errno ) );
 227                         goto test_failed_exit;
 228                 }
 229         }
 230
 231         /* open kernel to use as test file for fstatfs */
 232         my_fd = open( "/mach_kernel", O_RDONLY, 0 );
 233         if ( my_fd == -1 ) {
 234                 printf( "open call failed.  got errno %d - %s. \n", errno, strerror( errno ) );
 235                 goto test_failed_exit;
 236         }
 237
 238         /* testing fstatfs */
 239         my_statfsp = (struct statfs *) my_bufferp;
 240         my_err = fstatfs( my_fd, my_statfsp );
 241         if ( my_err == -1 ) {
 242                 printf( "fstatfs call failed.  got errno %d - %s. \n", errno, strerror( errno ) );
 243                 goto test_failed_exit;
 244         }
 245
 246         /* validate results */
 247         if ( !(memcmp( &my_statfsp->f_fstypename[0], "hfs", 3 ) == 0 ||
 248                    memcmp( &my_statfsp->f_fstypename[0], "ufs", 3 ) == 0) ) {
 249                 printf( "fstatfs call failed.  could not find valid f_fstypename! \n" );
 250                 goto test_failed_exit;
 251         }
 252         my_io_size = my_statfsp->f_iosize;
 253         my_fsid = my_statfsp->f_fsid;
 254         if ( is_ufs == 0 && my_statfsp->f_iosize != my_attr_buf.io_blksize ) {
 255                 printf( "fstatfs and getattrlist results do not match for volume block size  \n" );
 256                 goto test_failed_exit;
 257         }
 258
 259         /* try again with statfs */
 260         my_err = statfs( "/mach_kernel", my_statfsp );
 261         if ( my_err == -1 ) {
 262                 printf( "statfs call failed.  got errno %d - %s. \n", errno, strerror( errno ) );
 263                 goto test_failed_exit;
 264         }
 265
 266         /* validate resutls */
 267         if ( my_io_size != my_statfsp->f_iosize || my_fsid.val[0] != my_statfsp->f_fsid.val[0] ||
 268                  my_fsid.val[1] != my_statfsp->f_fsid.val[1] ) {
 269                 printf( "statfs call failed.  wrong f_iosize or f_fsid! \n" );
 270                 goto test_failed_exit;
 271         }
 272         if ( is_ufs == 0 && my_statfsp->f_iosize != my_attr_buf.io_blksize ) {
 273                 printf( "statfs and getattrlist results do not match for volume block size  \n" );
 274                 goto test_failed_exit;
 275         }
 276
 277         /* We passed the test */
 278         my_err = 0;
 279
 280 test_failed_exit:
 281         if(my_err != 0)
 282                 my_err = -1;
 283
 284 test_passed_exit:
 285         if ( my_fd != -1 )
 286                 close( my_fd );
 287         if ( my_bufferp != NULL ) {
 288                 vm_deallocate(mach_task_self(), (vm_address_t)my_bufferp, my_buffer_size);
 289         }
 290
 291         return( my_err );
 292 }
 293