1 | /* |
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2 | * COPYRIGHT (c) 1989-2012. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * Modifications to support reference counting in the file system are |
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6 | * Copyright (c) 2012 embedded brains GmbH. |
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7 | * |
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8 | * The license and distribution terms for this file may be |
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9 | * found in the file LICENSE in this distribution or at |
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10 | * http://www.rtems.org/license/LICENSE. |
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11 | */ |
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12 | |
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13 | #ifdef HAVE_CONFIG_H |
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14 | #include "config.h" |
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15 | #endif |
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16 | |
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17 | #include <stdio.h> |
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18 | #include <sys/types.h> |
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19 | #include <fcntl.h> |
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20 | #include <string.h> |
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21 | #include <unistd.h> |
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22 | #include <errno.h> |
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23 | #include <rtems/libio.h> |
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24 | #include <rtems/userenv.h> |
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25 | #include <rtems/malloc.h> |
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26 | #include <pmacros.h> |
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27 | #include <rtems/libcsupport.h> |
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28 | |
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29 | /* forward declarations to avoid warnings */ |
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30 | int test_main(void); |
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31 | |
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32 | static void touch( char *file ) |
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33 | { |
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34 | int fd; |
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35 | |
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36 | rtems_test_assert( file ); |
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37 | |
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38 | fd = open( file, O_RDWR|O_CREAT, 0777 ); |
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39 | rtems_test_assert( fd != -1 ); |
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40 | close( fd ); |
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41 | } |
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42 | |
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43 | static int fileexists( char *file ) |
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44 | { |
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45 | int status; |
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46 | struct stat statbuf; |
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47 | |
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48 | rtems_test_assert( file ); |
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49 | |
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50 | status = stat( file, &statbuf ); |
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51 | |
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52 | if ( status == -1 ) { |
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53 | /* printf( ": %s\n", strerror( errno ) ); */ |
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54 | return 0; |
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55 | } |
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56 | return 1; |
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57 | } |
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58 | |
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59 | #if defined(__rtems__) |
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60 | int test_main(void) |
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61 | #else |
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62 | int main( |
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63 | int argc, |
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64 | char **argv |
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65 | ) |
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66 | #endif |
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67 | { |
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68 | static const uintptr_t global_location_size [] = { |
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69 | sizeof(rtems_filesystem_global_location_t) |
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70 | }; |
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71 | |
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72 | int status; |
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73 | void *opaque; |
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74 | /* |
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75 | * This test is the C equivalent of this sequence. |
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76 | #mkdir /one |
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77 | #mkdir /one/one |
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78 | #touch /one/one.test |
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79 | #touch /one/two/two.test |
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80 | # an error case to ENOTSUP from chroot |
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81 | # chroot |
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82 | #chroot /one |
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83 | #if !fileexists(/one/one.test) echo "SUCCESSFUL" |
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84 | #if fileexists(/two/two.test) echo "SUCCESSFUL" |
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85 | #rtems_set_private_env() ! reset at the global environment |
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86 | #if fileexists(/one/one.test) echo "SUCESSFUL" |
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87 | #if !fileexists(/two/two.test) echo "SUCCESSFUL" |
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88 | */ |
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89 | |
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90 | printf( "\n\n*** CHROOT01 TEST ***\n" ); |
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91 | |
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92 | status = mkdir( "/one", 0777); |
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93 | rtems_test_assert( status == 0 ); |
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94 | |
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95 | status = mkdir( "/one/one", 0777); |
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96 | rtems_test_assert( status == 0 ); |
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97 | |
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98 | status = mkdir( "/one/two", 0777); |
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99 | rtems_test_assert( status == 0 ); |
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100 | |
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101 | touch( "/one/one.test" ); |
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102 | touch( "/one/two/two.test" ); |
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103 | |
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104 | puts( "chroot with bad path - expect ENOENT" ); |
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105 | status = chroot( "/three" ); |
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106 | rtems_test_assert( status == -1 ); |
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107 | rtems_test_assert( errno == ENOENT ); |
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108 | |
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109 | puts( "chroot with file - expect ENOTDIR" ); |
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110 | status = chroot( "/one/one.test" ); |
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111 | rtems_test_assert( status == -1 ); |
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112 | rtems_test_assert( errno == ENOTDIR ); |
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113 | |
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114 | puts( "allocate most of memory - attempt to fail chroot - expect ENOMEM" ); |
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115 | opaque = rtems_heap_greedy_allocate( global_location_size, 1 ); |
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116 | |
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117 | status = chroot( "/one" ); |
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118 | rtems_test_assert( status == -1 ); |
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119 | rtems_test_assert( errno == ENOMEM ); |
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120 | |
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121 | puts( "freeing the allocated memory" ); |
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122 | rtems_heap_greedy_free( opaque ); |
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123 | |
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124 | status = chroot( "/one" ); |
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125 | rtems_test_assert( status == 0 ); |
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126 | |
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127 | status = fileexists( "/one/one.test" ); |
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128 | printf( "%s on /one/one.test\n", (!status) ? "SUCCESS" : "FAILURE" ); |
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129 | |
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130 | status = fileexists( "/two/two.test" ); |
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131 | printf( "%s on /two/two.test\n", (status) ? "SUCCESS" : "FAILURE" ); |
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132 | |
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133 | puts( "Go back to global environment" ); |
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134 | rtems_libio_use_global_env(); |
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135 | |
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136 | status = fileexists( "/one/one.test" ); |
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137 | printf( "%s on /one/one.test\n", ( status) ? "SUCCESS" : "FAILURE" ); |
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138 | |
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139 | status = fileexists( "/two/two.test" ); |
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140 | printf( "%s on /two/two.test\n", (!status) ? "SUCCESS" : "FAILURE" ); |
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141 | |
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142 | printf( "*** END OF CHROOT01 TEST ***\n" ); |
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143 | rtems_test_exit(0); |
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144 | } |
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