1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
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2 | |
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3 | /* |
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4 | * COPYRIGHT (c) 1989-2011. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions |
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9 | * are met: |
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10 | * 1. Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #ifdef HAVE_CONFIG_H |
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30 | #include "config.h" |
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31 | #endif |
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32 | |
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33 | #include <sys/stat.h> |
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34 | #include <fcntl.h> |
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35 | #include <errno.h> |
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36 | #include <stdio.h> |
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37 | #include <stdint.h> |
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38 | #include <unistd.h> |
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39 | #include <stdlib.h> |
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40 | #include <string.h> |
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41 | #include <unistd.h> |
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42 | #include <dirent.h> |
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43 | |
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44 | #include "fstest.h" |
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45 | #include "fs_config.h" |
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46 | #include <tmacros.h> |
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47 | |
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48 | const char rtems_test_name[] = "FSSYMLINK " FILESYSTEM; |
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49 | |
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50 | /* |
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51 | * Test the function of symlink |
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52 | */ |
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53 | |
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54 | static void symlink_test01(void ) |
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55 | { |
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56 | int fd; |
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57 | char* file01="file"; |
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58 | char* symlink_file01="symlink"; |
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59 | char name[20]; |
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60 | int status; |
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61 | struct stat statbuf; |
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62 | size_t len=strlen(file01); |
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63 | size_t name_len; |
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64 | |
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65 | |
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66 | printf("Create a file named %s\n",file01); |
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67 | fd=creat(file01,0777); |
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68 | status=close(fd); |
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69 | rtems_test_assert(status==0); |
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70 | |
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71 | printf("Create a symlink named %s to %s\n",symlink_file01,file01); |
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72 | status=symlink(file01,symlink_file01); |
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73 | rtems_test_assert(status==0); |
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74 | |
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75 | status=stat(file01,&statbuf); |
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76 | rtems_test_assert(status==0); |
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77 | rtems_test_assert(S_ISREG(statbuf.st_mode)); |
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78 | rtems_test_assert(0==statbuf.st_size); |
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79 | |
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80 | status=lstat(symlink_file01,&statbuf); |
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81 | rtems_test_assert(status==0); |
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82 | rtems_test_assert(S_ISLNK(statbuf.st_mode)); |
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83 | rtems_test_assert(len==statbuf.st_size); |
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84 | |
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85 | |
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86 | puts("call readlink "); |
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87 | name_len=readlink(symlink_file01,name,sizeof(name)-1); |
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88 | rtems_test_assert(name_len!=-1); |
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89 | name[name_len]='\0'; |
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90 | rtems_test_assert(!strncmp(name,file01,name_len)); |
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91 | puts(name); |
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92 | |
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93 | puts("Unlink the file"); |
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94 | |
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95 | status=unlink(file01); |
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96 | rtems_test_assert(status==0); |
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97 | |
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98 | status=lstat(symlink_file01,&statbuf); |
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99 | rtems_test_assert(status==0); |
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100 | rtems_test_assert(S_ISLNK(statbuf.st_mode)); |
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101 | rtems_test_assert(len==statbuf.st_size); |
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102 | |
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103 | puts("call readlink "); |
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104 | name_len=readlink(symlink_file01,name,sizeof(name)-1); |
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105 | rtems_test_assert(name_len!=-1); |
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106 | name[name_len]='\0'; |
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107 | rtems_test_assert(!strncmp(name,file01,name_len)); |
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108 | status=unlink(symlink_file01); |
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109 | rtems_test_assert(status==0); |
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110 | |
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111 | printf("Create a dir named %s\n",file01); |
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112 | status=mkdir (file01,0777); |
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113 | |
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114 | printf("Create a symlink named %s to %s\n",symlink_file01,file01); |
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115 | status=symlink(file01,symlink_file01); |
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116 | rtems_test_assert(status==0); |
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117 | |
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118 | status=lstat(symlink_file01,&statbuf); |
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119 | rtems_test_assert(status==0); |
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120 | rtems_test_assert(S_ISLNK(statbuf.st_mode)); |
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121 | rtems_test_assert(len==statbuf.st_size); |
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122 | |
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123 | |
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124 | puts("call readlink "); |
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125 | name_len=readlink(symlink_file01,name,sizeof(name)-1); |
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126 | rtems_test_assert(name_len!=-1); |
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127 | name[name_len]='\0'; |
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128 | rtems_test_assert(!strncmp(name,file01,name_len)); |
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129 | |
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130 | name_len=readlink(symlink_file01,name,3); |
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131 | rtems_test_assert(name_len!=-1); |
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132 | name[name_len]='\0'; |
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133 | rtems_test_assert(!strncmp(name,file01,name_len)); |
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134 | |
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135 | puts("rmdir the dir"); |
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136 | status=rmdir(file01); |
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137 | rtems_test_assert(status==0); |
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138 | |
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139 | status=lstat(symlink_file01,&statbuf); |
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140 | rtems_test_assert(status==0); |
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141 | rtems_test_assert(S_ISLNK(statbuf.st_mode)); |
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142 | |
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143 | status=unlink(symlink_file01); |
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144 | rtems_test_assert(status==0); |
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145 | |
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146 | } |
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147 | /* |
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148 | * symlink loop error test |
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149 | */ |
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150 | static void symlink_loop_error_test(void ) |
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151 | { |
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152 | char* file01="file01"; |
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153 | char* file02="file02"; |
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154 | |
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155 | char* file04="file04"; |
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156 | char* path="file01/t"; |
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157 | |
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158 | int status; |
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159 | |
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160 | mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO; |
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161 | |
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162 | puts("symlink loop error test"); |
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163 | |
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164 | status=symlink(file01,file02); |
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165 | rtems_test_assert(status==0); |
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166 | status=symlink(file02,file01); |
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167 | rtems_test_assert(status==0); |
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168 | |
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169 | |
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170 | EXPECT_ERROR(ELOOP,creat,path,mode); |
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171 | EXPECT_ERROR(ELOOP,open,path,O_CREAT|O_WRONLY,mode); |
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172 | EXPECT_ERROR(ELOOP,truncate,path,0); |
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173 | EXPECT_ERROR(ELOOP,rename,path,file04); |
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174 | EXPECT_ERROR(ELOOP,unlink,path); |
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175 | EXPECT_ERROR(ELOOP,mkdir,path,mode); |
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176 | EXPECT_ERROR(ELOOP,rmdir,path); |
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177 | } |
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178 | |
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179 | void test(void ) |
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180 | { |
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181 | |
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182 | symlink_test01(); |
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183 | symlink_loop_error_test(); |
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184 | |
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185 | } |
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186 | |
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