psxtests/psximfs02/init.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  *  COPYRIGHT (c) 1989-2015.
0005  *  On-Line Applications Research Corporation (OAR).
0006  *
0007  * Redistribution and use in source and binary forms, with or without
0008  * modification, are permitted provided that the following conditions
0009  * are met:
0010  * 1. Redistributions of source code must retain the above copyright
0011  *    notice, this list of conditions and the following disclaimer.
0012  * 2. Redistributions in binary form must reproduce the above copyright
0013  *    notice, this list of conditions and the following disclaimer in the
0014  *    documentation and/or other materials provided with the distribution.
0015  *
0016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0017  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0018  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0019  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0020  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0021  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0022  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0023  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0024  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0025  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0026  * POSSIBILITY OF SUCH DAMAGE.
0027  */
0028
0029 #ifdef HAVE_CONFIG_H
0030 #include "config.h"
0031 #endif
0032
0033 #include <tmacros.h>
0034 #include "test_support.h"
0035
0036 #include <unistd.h>
0037 #include <sys/types.h>
0038 #include <sys/stat.h>
0039 #include <fcntl.h>
0040 #include <errno.h>
0041 #include <rtems/libio.h>
0042 #include <rtems/malloc.h>
0043 #include <rtems/libcsupport.h>
0044
0045 #define MEMFILE_BYTES_PER_BLOCK 16
0046
0047 const char rtems_test_name[] = "PSXIMFS 2";
0048
0049 /* forward declarations to avoid warnings */
0050 rtems_task Init(rtems_task_argument argument);
0051
0052 rtems_task Init(
0053   rtems_task_argument argument
0054 )
0055 {
0056   static const char mount_point [] = "dir01";
0057   static const char fs_type [] = RTEMS_FILESYSTEM_TYPE_IMFS;
0058   static const char slink_2_name [] = "node-slink-2";
0059   static const uintptr_t mount_table_entry_size [] = {
0060     sizeof( rtems_filesystem_mount_table_entry_t )
0061       + sizeof( fs_type )
0062       + sizeof( rtems_filesystem_global_location_t )
0063   };
0064   static const uintptr_t slink_2_name_size [] = {
0065     sizeof( slink_2_name )
0066   };
0067   static const uintptr_t some_blocks [] = {
0068     MEMFILE_BYTES_PER_BLOCK * 10
0069   };
0070   static const char some_data[MEMFILE_BYTES_PER_BLOCK * 11];
0071
0072   int status = 0;
0073   void *opaque;
0074   char linkname_n[32] = {0};
0075   char linkname_p[32] = {0};
0076   int i;
0077   int fd;
0078   struct stat stat_buf;
0079
0080   TEST_BEGIN();
0081
0082   puts( "Creating directory /dir00" );
0083   status = mkdir( "/dir00", S_IRWXU );
0084   rtems_test_assert( status == 0 );
0085
0086   puts( "Creating directory /dir00/dir01" );
0087   status = mkdir( "/dir00/dir01", S_IRWXU );
0088   rtems_test_assert( status == 0 );
0089
0090   puts( "Changing directory to /dir00" );
0091   status = chdir( "/dir00" );
0092   rtems_test_assert( status == 0 );
0093
0094   puts( "Creating link dir01-link0 for dir01" );
0095   status = link( "dir01", "dir01-link0" );
0096   rtems_test_assert( status == 0 );
0097
0098   for( i = 1 ; ; ++i ) {
0099     sprintf( linkname_p, "dir01-link%04d", i-1 );
0100     sprintf( linkname_n, "dir01-link%04d", i );
0101     printf( "\nCreating link %s for %s\n", linkname_n, linkname_p );
0102     status = link( linkname_p, linkname_n );
0103     if( status != 0 ) {
0104       puts("Link creation failed" );
0105       break;
0106     }
0107   }
0108
0109   puts( "Creating a regular node /node, RDONLY" );
0110   status = mknod( "/node", S_IFREG | S_IRUSR, 0LL );
0111   rtems_test_assert( status == 0 );
0112
0113   puts( "Creating link /node-link for /node" );
0114   status = link( "/node" , "/node-link" );
0115   rtems_test_assert( status == 0 );
0116
0117   puts( "Opening /node-link in WRONLY mode -- expect EACCES" );
0118   status = open( "/node-link", O_WRONLY );
0119   rtems_test_assert( status == -1 );
0120   rtems_test_assert( errno == EACCES );
0121
0122   puts( "Creating a symlink /node-slink for /node" );
0123   status = symlink( "/node" , "/node-slink" );
0124   rtems_test_assert( status == 0 );
0125
0126   puts( "Opening /node-slink in WRONLY mode -- expect EACCES" );
0127   status = open( "/node-slink", O_WRONLY );
0128   rtems_test_assert( status == -1 );
0129   rtems_test_assert( errno == EACCES );
0130
0131   puts( "Allocate most of heap with a little bit left" );
0132   opaque = rtems_heap_greedy_allocate( some_blocks, 1 );
0133
0134   puts( "Create an empty file.");
0135   status = mknod( "/foo", S_IFREG | S_IRWXU, 0LL );
0136   rtems_test_assert( status == 0 );
0137
0138   puts( "Then increase it's size to more than remaining space" );
0139   fd = open( "/foo", O_WRONLY | O_TRUNC);
0140   rtems_test_assert( fd >= 0 );
0141   status = write(fd, some_data, sizeof(some_data));
0142   rtems_test_assert( status == -1);
0143   rtems_test_assert( errno == ENOSPC );
0144
0145   puts( "Clean up again" );
0146   status = close(fd);
0147   rtems_test_assert( status == 0);
0148   status = remove( "/foo" );
0149   rtems_test_assert( status == 0);
0150   rtems_heap_greedy_free( opaque );
0151
0152   puts( "Allocate most of heap" );
0153   opaque = rtems_heap_greedy_allocate( mount_table_entry_size, 1 );
0154
0155   printf( "Attempt to mount a fs at %s -- expect ENOMEM", mount_point );
0156   status = mount( NULL,
0157           mount_point,
0158           fs_type,
0159           RTEMS_FILESYSTEM_READ_WRITE,
0160           NULL );
0161   rtems_test_assert( status == -1 );
0162   rtems_test_assert( errno == ENOMEM );
0163
0164   puts( "Freeing allocated memory" );
0165   rtems_heap_greedy_free( opaque );
0166
0167   puts( "Changing directory to /" );
0168   status = chdir( "/" );
0169   rtems_test_assert( status == 0 );
0170
0171   puts( "Allocate most of heap" );
0172   opaque = rtems_heap_greedy_allocate( NULL, 0 );
0173
0174   puts( "Attempt to create /node-link-2 for /node -- expect ENOMEM" );
0175   status = link( "/node", "/node-link-2" );
0176   rtems_test_assert( status == -1 );
0177   rtems_test_assert( errno == ENOMEM );
0178
0179   puts( "Attempt to create /node-slink-2 for /node -- expect ENOMEM" );
0180   status = symlink( "/node", "node-slink-2" );
0181   rtems_test_assert( status == -1 );
0182   rtems_test_assert( errno == ENOMEM );
0183
0184   puts( "Freeing allocated memory" );
0185   rtems_heap_greedy_free( opaque );
0186
0187   puts( "Allocate most of heap" );
0188   opaque = rtems_heap_greedy_allocate( slink_2_name_size, 1 );
0189
0190   printf( "Attempt to create %s for /node -- expect ENOMEM", slink_2_name );
0191   status = symlink( "/node", slink_2_name );
0192   rtems_test_assert( status == -1 );
0193   rtems_test_assert( errno == ENOMEM );
0194
0195   puts( "Freeing allocated memory" );
0196   rtems_heap_greedy_free( opaque );
0197
0198   puts( "Attempt to stat a hardlink" );
0199   status = lstat( "/node-link", &stat_buf );
0200   rtems_test_assert( status == 0 );
0201
0202   puts( "Changing euid to 10" );
0203   status = seteuid( 10 );
0204   rtems_test_assert( status == 0 );
0205
0206   puts( "Attempt chmod on /node -- expect EPERM" );
0207   status = chmod( "/node", S_IRUSR );
0208   rtems_test_assert( status == -1 );
0209   rtems_test_assert( errno == EPERM );
0210
0211   puts( "Attempt chown on /node -- expect EPERM" );
0212   status = chown( "/node", 10, 10 );
0213   rtems_test_assert( status == -1 );
0214   rtems_test_assert( errno == EPERM );
0215
0216   puts( "Changing euid back to 0 [root]" );
0217   status = seteuid( 0 );
0218   rtems_test_assert( status == 0 );
0219
0220   puts( "Creating a fifo -- OK" );
0221   status = mkfifo( "/fifo", S_IRWXU );
0222   rtems_test_assert( status == 0 );
0223
0224   puts( "chown /fifo to 10 -- OK" );
0225   status = chown( "/fifo", 10, 10 );
0226   rtems_test_assert( status == 0 );
0227
0228   puts( "Changing euid to 10" );
0229   status = seteuid( 10 );
0230   rtems_test_assert( status == 0 );
0231
0232   puts( "chmod /fifo -- OK" );
0233   status = chmod( "/fifo", S_IRWXU );
0234   rtems_test_assert( status == 0 );
0235
0236   printf( "chown /fifo to %o -- OK\n", 0 );
0237   status = chown( "/fifo", 0, 0 );
0238   rtems_test_assert( status == 0 );
0239
0240   TEST_END();
0241   rtems_test_exit(0);
0242 }
0243
0244 /* configuration information */
0245
0246 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0247 #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
0248
0249 #define CONFIGURE_FILESYSTEM_IMFS
0250
0251 #define CONFIGURE_MAXIMUM_TASKS                  1
0252 #define CONFIGURE_IMFS_MEMFILE_BYTES_PER_BLOCK   MEMFILE_BYTES_PER_BLOCK
0253 #define CONFIGURE_IMFS_ENABLE_MKFIFO
0254 #define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 4
0255 #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
0256
0257 #define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_FLOATING_POINT
0258 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
0259
0260 #define CONFIGURE_INIT
0261
0262 #include <rtems/confdefs.h>
0263 /* end of file */