1 | /* |
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2 | * COPYRIGHT (c) 1989-2011. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.org/license/LICENSE. |
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8 | */ |
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9 | |
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10 | #ifdef HAVE_CONFIG_H |
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11 | #include "config.h" |
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12 | #endif |
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13 | |
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14 | #include <sys/stat.h> |
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15 | #include <fcntl.h> |
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16 | #include <errno.h> |
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17 | #include <string.h> |
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18 | #include <stdio.h> |
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19 | #include <stdlib.h> |
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20 | #include <stdint.h> |
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21 | #include <dirent.h> |
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22 | #include <unistd.h> |
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23 | |
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24 | #include "fstest.h" |
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25 | #include "fs_config.h" |
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26 | #include "pmacros.h" |
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27 | |
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28 | const char rtems_test_name[] = "FSPERMISSION " FILESYSTEM; |
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29 | |
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30 | /* |
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31 | * Test the umask |
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32 | */ |
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33 | static void umask_test01(void ) |
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34 | { |
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35 | |
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36 | mode_t previous_cmask; |
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37 | mode_t tmp_mode; |
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38 | mode_t file_mode; |
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39 | struct stat statbuf; |
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40 | int status = 0; |
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41 | int fd; |
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42 | |
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43 | char* file01="file01"; |
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44 | char* file02="file02"; |
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45 | char* directory01="dir01"; |
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46 | |
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47 | const char* wd=__func__; |
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48 | |
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49 | mode_t mode=S_IRWXU|S_IRWXG|S_IRWXO ; |
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50 | |
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51 | |
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52 | |
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53 | /* |
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54 | *Create a new directory and change the current directory to this |
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55 | */ |
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56 | status=mkdir(wd,mode); |
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57 | rtems_test_assert(status==0); |
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58 | status=chdir(wd); |
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59 | rtems_test_assert(status==0); |
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60 | |
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61 | /* |
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62 | * |
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63 | * Call open creat and mkdir to create new files and directory |
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64 | */ |
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65 | fd=open(file01,O_CREAT|O_RDWR,mode); |
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66 | status=close(fd); |
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67 | rtems_test_assert(status==0); |
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68 | |
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69 | fd=creat(file02,mode); |
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70 | status=close(fd); |
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71 | rtems_test_assert(status==0); |
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72 | |
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73 | status=mkdir(directory01,mode); |
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74 | rtems_test_assert(status==0); |
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75 | |
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76 | |
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77 | /* |
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78 | *Get the previous cmask and set it to a new one |
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79 | */ |
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80 | previous_cmask = umask (0321); |
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81 | printf("The previous cmask is %03o\n",(unsigned int)previous_cmask); |
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82 | file_mode= mode & ~previous_cmask; |
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83 | |
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84 | status = stat (file01, &statbuf); |
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85 | rtems_test_assert (status == 0); |
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86 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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87 | printf("The file mode of %s is %03o\n",file01,(unsigned int)tmp_mode); |
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88 | rtems_test_assert(tmp_mode==file_mode); |
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89 | |
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90 | |
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91 | status = stat (file02, &statbuf); |
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92 | rtems_test_assert (status == 0); |
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93 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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94 | printf("The file mode of %s is %03o\n",file02,(unsigned int)tmp_mode); |
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95 | rtems_test_assert(tmp_mode==file_mode); |
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96 | |
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97 | status = stat (directory01, &statbuf); |
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98 | rtems_test_assert (status == 0); |
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99 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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100 | printf("The file mode of %s is %03o\n",directory01,(unsigned int)tmp_mode); |
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101 | rtems_test_assert(tmp_mode==file_mode); |
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102 | |
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103 | /* |
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104 | *Remove them and recreate them with the same mode |
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105 | */ |
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106 | |
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107 | status=unlink(file01); |
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108 | rtems_test_assert(status==0); |
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109 | fd=open(file01,O_CREAT|O_RDWR,mode); |
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110 | status=close(fd); |
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111 | rtems_test_assert(status==0); |
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112 | |
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113 | status=unlink(file02); |
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114 | rtems_test_assert(status==0); |
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115 | fd=creat(file02,mode); |
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116 | status=close(fd); |
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117 | rtems_test_assert(status==0); |
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118 | |
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119 | status=rmdir(directory01); |
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120 | rtems_test_assert(status==0); |
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121 | status=mkdir(directory01,mode); |
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122 | rtems_test_assert(status==0); |
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123 | |
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124 | /* |
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125 | *Check the file mode |
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126 | */ |
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127 | |
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128 | previous_cmask = umask (00); |
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129 | printf("The previous cmask is %03o\n",(unsigned int)previous_cmask); |
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130 | file_mode= mode & ~previous_cmask; |
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131 | |
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132 | status = stat (file01, &statbuf); |
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133 | rtems_test_assert (status == 0); |
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134 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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135 | printf("The file mode of %s is %03o\n",file01,(unsigned int)tmp_mode); |
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136 | rtems_test_assert(tmp_mode==file_mode); |
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137 | |
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138 | |
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139 | status = stat (file02, &statbuf); |
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140 | rtems_test_assert (status == 0); |
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141 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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142 | printf("The file mode of %s is %03o\n",file02,(unsigned int)tmp_mode); |
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143 | rtems_test_assert(tmp_mode==file_mode); |
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144 | |
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145 | status = stat (directory01, &statbuf); |
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146 | rtems_test_assert (status == 0); |
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147 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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148 | printf("The file mode of %s is %03o\n",directory01,(unsigned int)tmp_mode); |
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149 | rtems_test_assert(tmp_mode==file_mode); |
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150 | |
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151 | /* |
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152 | * Go back to parent directory |
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153 | */ |
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154 | status=chdir(".."); |
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155 | rtems_test_assert(status==0); |
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156 | |
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157 | } |
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158 | /* |
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159 | * Check the file mode in file and directory |
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160 | */ |
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161 | static void test_premission01(void ) |
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162 | { |
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163 | mode_t tmp_mode; |
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164 | struct stat statbuf; |
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165 | int status = 0; |
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166 | int fd; |
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167 | |
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168 | char* file01="file01"; |
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169 | char* file02="file02"; |
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170 | char* directory01="dir01"; |
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171 | |
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172 | char path[20]; |
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173 | char* test_data="Test Data"; |
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174 | char* data_buf; |
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175 | size_t len=strlen(test_data); |
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176 | |
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177 | int n; |
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178 | DIR *dp; |
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179 | |
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180 | const char* wd=__func__; |
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181 | |
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182 | mode_t mode=S_IRWXU|S_IRWXG|S_IRWXO ; |
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183 | uid_t user_id =65534; |
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184 | gid_t group_id =65534; |
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185 | |
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186 | uid_t another_user_id =65533; |
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187 | gid_t another_group_id =65533; |
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188 | |
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189 | |
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190 | /* |
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191 | *Create a new directory and change the current directory to this |
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192 | */ |
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193 | umask(00); |
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194 | status=mkdir(wd,mode); |
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195 | rtems_test_assert(status==0); |
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196 | status=chdir(wd); |
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197 | rtems_test_assert(status==0); |
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198 | |
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199 | status=seteuid(user_id); |
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200 | rtems_test_assert(status==0); |
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201 | status=setegid(group_id); |
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202 | rtems_test_assert(status==0); |
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203 | |
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204 | |
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205 | /* |
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206 | *Create a file with mode 0777 |
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207 | */ |
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208 | fd=creat(file01,mode); |
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209 | rtems_test_assert(fd >= 0); |
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210 | status=close(fd); |
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211 | rtems_test_assert(status==0); |
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212 | /* |
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213 | *Create a file with mode 0240 |
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214 | */ |
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215 | |
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216 | fd=creat(file02,0240); |
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217 | rtems_test_assert(fd >= 0); |
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218 | status=close(fd); |
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219 | rtems_test_assert(status==0); |
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220 | |
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221 | |
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222 | /* |
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223 | *Check the file mode uid and gid |
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224 | */ |
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225 | status = stat (file01, &statbuf); |
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226 | rtems_test_assert (status == 0); |
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227 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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228 | printf("The file mode of %s is %03o\n",file01,(unsigned int)tmp_mode); |
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229 | rtems_test_assert(tmp_mode==mode); |
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230 | rtems_test_assert(statbuf.st_uid==user_id); |
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231 | rtems_test_assert(statbuf.st_gid==group_id); |
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232 | |
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233 | status = stat (file02, &statbuf); |
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234 | rtems_test_assert (status == 0); |
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235 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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236 | printf("The file mode of %s is %03o\n",file02,(unsigned int)tmp_mode); |
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237 | rtems_test_assert(tmp_mode==0240); |
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238 | rtems_test_assert(statbuf.st_uid==user_id); |
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239 | rtems_test_assert(statbuf.st_gid==group_id); |
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240 | |
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241 | /* |
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242 | * Create directory and a file in it for tese |
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243 | */ |
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244 | |
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245 | status=mkdir(directory01,0777); |
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246 | rtems_test_assert(status==0); |
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247 | sprintf(path,"%s/%s",directory01,file01); |
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248 | fd = creat(path,0777); |
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249 | rtems_test_assert(fd >= 0); |
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250 | status = close(fd); |
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251 | rtems_test_assert(status == 0); |
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252 | |
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253 | status=chmod(directory01,0340); |
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254 | rtems_test_assert (status == 0); |
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255 | status = stat (directory01, &statbuf); |
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256 | rtems_test_assert (status == 0); |
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257 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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258 | printf("The file mode of %s is %03o\n",directory01,(unsigned int)tmp_mode); |
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259 | rtems_test_assert(tmp_mode==0340); |
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260 | rtems_test_assert(statbuf.st_uid==user_id); |
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261 | rtems_test_assert(statbuf.st_gid==group_id); |
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262 | |
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263 | /* |
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264 | * Check the file with open and write |
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265 | */ |
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266 | |
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267 | /* |
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268 | * Test write |
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269 | */ |
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270 | fd=open(file01,O_WRONLY); |
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271 | rtems_test_assert(fd >= 0); |
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272 | n=write(fd,test_data,len); |
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273 | rtems_test_assert(n==len); |
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274 | status=close(fd); |
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275 | rtems_test_assert(status==0); |
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276 | |
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277 | fd=open(file02,O_WRONLY); |
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278 | n=write(fd,test_data,len); |
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279 | rtems_test_assert(n==len); |
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280 | status=close(fd); |
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281 | rtems_test_assert(status==0); |
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282 | |
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283 | /* |
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284 | * Test read |
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285 | */ |
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286 | data_buf=(char*)malloc(len+1); |
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287 | fd=open(file01,O_RDWR); |
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288 | rtems_test_assert(fd >= 0); |
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289 | n=read(fd,data_buf,len); |
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290 | rtems_test_assert(n==len); |
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291 | status=close(fd); |
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292 | rtems_test_assert(status==0); |
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293 | |
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294 | EXPECT_ERROR(EACCES,open,file02,O_RDONLY); |
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295 | EXPECT_ERROR(EACCES,open,file02,O_RDWR); |
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296 | |
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297 | /* |
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298 | * Test read directory |
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299 | */ |
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300 | dp= opendir(directory01); |
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301 | rtems_test_assert(dp==NULL); |
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302 | rtems_test_assert(errno==EACCES); |
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303 | |
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304 | /* |
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305 | * Test write directory |
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306 | */ |
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307 | status = lstat (path, &statbuf); |
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308 | rtems_test_assert (status == 0); |
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309 | |
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310 | status=unlink(path); |
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311 | rtems_test_assert(status==0); |
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312 | |
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313 | |
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314 | /* |
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315 | * Change euid and check |
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316 | */ |
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317 | puts("Change euid and check"); |
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318 | status=seteuid(0); |
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319 | rtems_test_assert(status==0); |
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320 | |
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321 | status=seteuid(another_user_id); |
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322 | rtems_test_assert(status==0); |
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323 | |
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324 | fd=open(file01,O_WRONLY); |
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325 | rtems_test_assert(fd >= 0); |
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326 | n=write(fd,test_data,len); |
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327 | rtems_test_assert(n==len); |
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328 | status=close(fd); |
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329 | rtems_test_assert(status==0); |
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330 | |
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331 | EXPECT_ERROR(EACCES,open,file02,O_WRONLY); |
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332 | EXPECT_ERROR(EACCES,open,file02,O_RDWR); |
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333 | |
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334 | /* |
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335 | * Test read directory |
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336 | */ |
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337 | dp= opendir(directory01); |
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338 | rtems_test_assert(dp!=NULL); |
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339 | status=closedir(dp); |
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340 | rtems_test_assert(status==0); |
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341 | |
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342 | /* |
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343 | * Test write directory |
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344 | */ |
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345 | EXPECT_ERROR(EACCES,creat,path,mode); |
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346 | EXPECT_ERROR(EACCES,rename,path,"test"); |
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347 | EXPECT_ERROR(EACCES,truncate,path,0); |
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348 | EXPECT_ERROR(EACCES,link,path,"test"); |
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349 | EXPECT_ERROR(EACCES,unlink,path); |
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350 | /* |
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351 | * Change egid and check |
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352 | */ |
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353 | puts("Change egid and check"); |
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354 | status=seteuid(0); |
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355 | rtems_test_assert(status==0); |
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356 | |
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357 | status=setegid(another_group_id); |
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358 | rtems_test_assert(status==0); |
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359 | |
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360 | status=seteuid(another_user_id); |
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361 | rtems_test_assert(status==0); |
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362 | |
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363 | EXPECT_ERROR(EACCES,open,file02,O_WRONLY); |
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364 | EXPECT_ERROR(EACCES,open,file02,O_RDONLY); |
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365 | EXPECT_ERROR(EACCES,open,file02,O_RDWR); |
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366 | |
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367 | /* |
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368 | * Test read directory |
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369 | */ |
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370 | dp= opendir(directory01); |
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371 | rtems_test_assert(dp==NULL); |
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372 | rtems_test_assert(errno==EACCES); |
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373 | |
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374 | /* |
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375 | * Test write directory |
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376 | */ |
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377 | EXPECT_ERROR(EACCES,creat,path,mode); |
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378 | |
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379 | /* |
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380 | * Go back to parent directory |
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381 | */ |
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382 | status=seteuid(0); |
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383 | rtems_test_assert(status==0); |
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384 | status=setegid(0); |
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385 | rtems_test_assert(status==0); |
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386 | free(data_buf); |
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387 | |
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388 | status=chdir(".."); |
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389 | rtems_test_assert(status==0); |
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390 | } |
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391 | |
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392 | /* |
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393 | * Test chown and chmod |
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394 | */ |
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395 | static void test_premission02(void ) |
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396 | { |
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397 | struct stat statbuf; |
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398 | int status = 0; |
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399 | int fd; |
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400 | |
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401 | char* file01="file01"; |
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402 | char* directory01="dir01"; |
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403 | |
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404 | mode_t tmp_mode; |
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405 | mode_t file_mode=0321; |
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406 | |
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407 | const char* wd=__func__; |
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408 | |
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409 | mode_t mode=S_IRWXU|S_IRWXG|S_IRWXO ; |
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410 | uid_t user_id =65534; |
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411 | gid_t group_id =65534; |
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412 | |
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413 | /* |
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414 | *Create a new directory and change the current directory to this |
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415 | */ |
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416 | status=mkdir(wd,mode); |
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417 | rtems_test_assert(status==0); |
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418 | status=chdir(wd); |
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419 | rtems_test_assert(status==0); |
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420 | |
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421 | umask(00); |
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422 | |
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423 | fd=creat(file01,mode); |
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424 | status=close(fd); |
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425 | rtems_test_assert(status==0); |
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426 | status=stat(file01,&statbuf); |
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427 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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428 | rtems_test_assert(tmp_mode==mode); |
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429 | |
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430 | /* |
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431 | *Change the file mode uid and gid |
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432 | */ |
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433 | |
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434 | status=chmod(file01,file_mode); |
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435 | rtems_test_assert(status==0); |
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436 | status=chown(file01,user_id,group_id); |
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437 | rtems_test_assert(status==0); |
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438 | status=stat(file01,&statbuf); |
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439 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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440 | rtems_test_assert(tmp_mode==file_mode); |
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441 | rtems_test_assert(user_id==statbuf.st_uid); |
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442 | rtems_test_assert(group_id==statbuf.st_gid); |
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443 | |
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444 | status=mkdir(directory01,mode); |
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445 | rtems_test_assert(status==0); |
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446 | status=stat(directory01,&statbuf); |
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447 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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448 | printf("The directory file mode is %0o\n",(unsigned int)tmp_mode); |
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449 | rtems_test_assert(tmp_mode==mode); |
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450 | |
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451 | /* |
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452 | *Change the directory file mode |
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453 | */ |
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454 | status=chmod(directory01,file_mode); |
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455 | rtems_test_assert(status==0); |
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456 | status=stat(directory01,&statbuf); |
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457 | tmp_mode = (statbuf.st_mode) & ALLPERMS; |
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458 | rtems_test_assert(tmp_mode==file_mode); |
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459 | printf("The directory file mode is %0o\n",(unsigned int)tmp_mode); |
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460 | |
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461 | /* |
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462 | * Go back to parent directory |
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463 | */ |
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464 | status=chdir(".."); |
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465 | rtems_test_assert(status==0); |
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466 | } |
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467 | static void root_test(void ) |
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468 | { |
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469 | int fd; |
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470 | int sc; |
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471 | |
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472 | fd =creat("test",0000); |
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473 | sc=close(fd); |
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474 | rtems_test_assert(sc==0); |
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475 | |
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476 | fd=open("test",O_RDONLY); |
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477 | rtems_test_assert(fd==-1); |
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478 | } |
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479 | |
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480 | void test(void ) |
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481 | { |
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482 | umask_test01(); |
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483 | test_premission01(); |
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484 | test_premission02(); |
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485 | root_test(); |
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486 | } |
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