1 | /* |
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2 | * Copyright (c) 2014 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Dornierstr. 4 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifdef HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include <sys/stat.h> |
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20 | #include <sys/types.h> |
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21 | #include <errno.h> |
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22 | #include <fcntl.h> |
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23 | #include <grp.h> |
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24 | #include <pwd.h> |
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25 | #include <stdio.h> |
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26 | #include <unistd.h> |
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27 | |
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28 | #include "tmacros.h" |
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29 | |
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30 | const char rtems_test_name[] = "PWDGRP 2"; |
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31 | |
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32 | static void assert_pwd(struct passwd *pwd) |
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33 | { |
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34 | rtems_test_assert(strcmp(pwd->pw_name, "root") == 0); |
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35 | rtems_test_assert(strcmp(pwd->pw_passwd, "") == 0); |
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36 | rtems_test_assert(pwd->pw_uid == 0); |
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37 | rtems_test_assert(pwd->pw_gid == 0); |
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38 | rtems_test_assert(strcmp(pwd->pw_comment, "") == 0); |
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39 | rtems_test_assert(strcmp(pwd->pw_gecos, "") == 0); |
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40 | rtems_test_assert(strcmp(pwd->pw_dir, "") == 0); |
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41 | rtems_test_assert(strcmp(pwd->pw_shell, "") == 0); |
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42 | } |
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43 | |
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44 | static void assert_grp(struct group *grp) |
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45 | { |
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46 | rtems_test_assert(strcmp(grp->gr_name, "root") == 0); |
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47 | rtems_test_assert(strcmp(grp->gr_passwd, "") == 0); |
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48 | rtems_test_assert(grp->gr_gid == 0); |
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49 | rtems_test_assert(grp->gr_mem[0] == NULL); |
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50 | } |
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51 | |
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52 | static void assert_dir(const char *name) |
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53 | { |
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54 | int rv; |
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55 | struct stat st; |
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56 | |
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57 | rv = lstat(name, &st); |
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58 | rtems_test_assert(rv == 0); |
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59 | rtems_test_assert(st.st_uid == 0); |
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60 | rtems_test_assert(st.st_gid == 0); |
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61 | rtems_test_assert( |
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62 | st.st_mode == (S_IFDIR | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) |
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63 | ); |
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64 | } |
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65 | |
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66 | static void test(void) |
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67 | { |
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68 | int rv; |
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69 | struct passwd pwd; |
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70 | struct group grp; |
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71 | struct passwd *pwd_res; |
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72 | struct group *grp_res; |
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73 | char buf[256]; |
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74 | |
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75 | rtems_test_assert(getuid() == 0); |
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76 | rtems_test_assert(geteuid() == 0); |
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77 | |
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78 | rtems_test_assert(getgid() == 0); |
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79 | rtems_test_assert(getegid() == 0); |
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80 | |
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81 | memset(&pwd, 0xff, sizeof(pwd)); |
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82 | rv = getpwnam_r("root", &pwd, &buf[0], sizeof(buf), &pwd_res); |
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83 | rtems_test_assert(rv == 0); |
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84 | rtems_test_assert(&pwd == pwd_res); |
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85 | assert_pwd(pwd_res); |
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86 | |
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87 | memset(&pwd, 0xff, sizeof(pwd)); |
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88 | rv = getpwuid_r(0, &pwd, &buf[0], sizeof(buf), &pwd_res); |
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89 | rtems_test_assert(rv == 0); |
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90 | rtems_test_assert(&pwd == pwd_res); |
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91 | assert_pwd(pwd_res); |
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92 | |
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93 | memset(&grp, 0xff, sizeof(grp)); |
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94 | rv = getgrnam_r("root", &grp, &buf[0], sizeof(buf), &grp_res); |
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95 | rtems_test_assert(rv == 0); |
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96 | rtems_test_assert(&grp == grp_res); |
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97 | assert_grp(grp_res); |
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98 | |
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99 | memset(&grp, 0xff, sizeof(grp)); |
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100 | rv = getgrgid_r(0, &grp, &buf[0], sizeof(buf), &grp_res); |
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101 | rtems_test_assert(rv == 0); |
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102 | rtems_test_assert(&grp == grp_res); |
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103 | assert_grp(grp_res); |
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104 | |
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105 | assert_dir("/dev"); |
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106 | assert_dir("/etc"); |
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107 | |
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108 | rv = setuid(1); |
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109 | rtems_test_assert(rv == 0); |
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110 | |
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111 | rv = seteuid(1); |
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112 | rtems_test_assert(rv == 0); |
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113 | |
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114 | errno = 0; |
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115 | rv = unlink("/etc/passwd"); |
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116 | rtems_test_assert(rv == -1); |
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117 | rtems_test_assert(errno == EACCES); |
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118 | |
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119 | errno = 0; |
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120 | rv = unlink("/etc/group"); |
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121 | rtems_test_assert(rv == -1); |
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122 | rtems_test_assert(errno == EACCES); |
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123 | |
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124 | errno = 0; |
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125 | rv = open("/etc/passwd", O_RDONLY); |
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126 | rtems_test_assert(rv == -1); |
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127 | rtems_test_assert(errno == EACCES); |
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128 | |
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129 | errno = 0; |
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130 | rv = open("/etc/group", O_RDONLY); |
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131 | rtems_test_assert(rv == -1); |
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132 | rtems_test_assert(errno == EACCES); |
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133 | |
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134 | errno = 0; |
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135 | rv = open("/etc/passwd", O_WRONLY); |
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136 | rtems_test_assert(rv == -1); |
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137 | rtems_test_assert(errno == EACCES); |
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138 | |
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139 | errno = 0; |
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140 | rv = open("/etc/group", O_WRONLY); |
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141 | rtems_test_assert(rv == -1); |
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142 | rtems_test_assert(errno == EACCES); |
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143 | |
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144 | errno = 0; |
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145 | rv = open("/etc/passwd", 0); |
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146 | rtems_test_assert(rv == -1); |
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147 | rtems_test_assert(errno == EACCES); |
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148 | |
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149 | errno = 0; |
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150 | rv = open("/etc/group", 0); |
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151 | rtems_test_assert(rv == -1); |
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152 | rtems_test_assert(errno == EACCES); |
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153 | } |
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154 | |
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155 | static void Init(rtems_task_argument arg) |
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156 | { |
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157 | TEST_BEGIN(); |
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158 | |
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159 | test(); |
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160 | |
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161 | TEST_END(); |
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162 | rtems_test_exit(0); |
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163 | } |
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164 | |
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165 | #define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER |
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166 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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167 | |
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168 | #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 4 |
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169 | |
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170 | #define CONFIGURE_MAXIMUM_TASKS 1 |
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171 | |
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172 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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173 | |
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174 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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175 | |
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176 | #define CONFIGURE_INIT |
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177 | |
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178 | #include <rtems/confdefs.h> |
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