1 | /* |
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2 | * Copyright (c) 2014, 2019 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 <grp.h> |
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23 | #include <pwd.h> |
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24 | #include <stdio.h> |
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25 | #include <unistd.h> |
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26 | |
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27 | #include <rtems/imfs.h> |
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28 | #include <rtems/shell.h> |
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29 | #include <rtems/userenv.h> |
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30 | |
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31 | #include "tmacros.h" |
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32 | |
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33 | const char rtems_test_name[] = "SHELL 1"; |
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34 | |
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35 | static const char etc_passwd[] = |
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36 | "moop:foo:1:3:blob:a::c\n" |
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37 | "no:*:2:4::::\n" |
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38 | "zero::3:5::::\n" |
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39 | "shadow:x:4:6::::\n" |
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40 | "invchroot::5:7:::/inv:\n" |
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41 | "chroot::6:8:::/chroot:\n"; |
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42 | |
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43 | static const char etc_group[] = |
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44 | "A::1:moop,u,v,w,zero\n" |
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45 | "B::2:moop\n" |
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46 | "blub:bar:3:moop\n" |
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47 | "C::4:l,m,n,moop\n" |
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48 | "D::5:moop,moop\n" |
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49 | "E::6:x\n" |
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50 | "E::7:y,z\n" |
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51 | "F::8:s,moop,t\n"; |
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52 | |
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53 | static void test(void) |
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54 | { |
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55 | rtems_user_env_t *uenv; |
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56 | rtems_status_code sc; |
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57 | struct stat st_chroot; |
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58 | struct stat st_workdir; |
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59 | bool ok; |
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60 | int rv; |
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61 | |
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62 | rv = mkdir("/etc", S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); |
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63 | rtems_test_assert(rv == 0); |
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64 | |
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65 | rv = mkdir("/chroot", S_IRWXU | S_IRWXG | S_IRWXO); |
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66 | rtems_test_assert(rv == 0); |
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67 | |
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68 | rv = lstat("/chroot", &st_chroot); |
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69 | rtems_test_assert(rv == 0); |
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70 | |
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71 | rv = IMFS_make_linearfile( |
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72 | "/etc/passwd", |
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73 | S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH, |
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74 | etc_passwd, |
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75 | sizeof(etc_passwd) |
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76 | ); |
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77 | rtems_test_assert(rv == 0); |
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78 | |
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79 | rv = IMFS_make_linearfile( |
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80 | "/etc/group", |
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81 | S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH, |
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82 | etc_group, |
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83 | sizeof(etc_group) |
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84 | ); |
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85 | rtems_test_assert(rv == 0); |
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86 | |
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87 | sc = rtems_libio_set_private_env(); |
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88 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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89 | |
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90 | uenv = rtems_current_user_env_get(); |
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91 | |
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92 | rv = setuid(0); |
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93 | rtems_test_assert(rv == 0); |
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94 | |
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95 | rv = seteuid(0); |
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96 | rtems_test_assert(rv == 0); |
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97 | |
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98 | ok = rtems_shell_login_check("inv", NULL); |
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99 | rtems_test_assert(!ok); |
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100 | |
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101 | ok = rtems_shell_login_check("no", NULL); |
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102 | rtems_test_assert(!ok); |
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103 | |
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104 | ok = rtems_shell_login_check("shadow", NULL); |
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105 | rtems_test_assert(!ok); |
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106 | |
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107 | ok = rtems_shell_login_check("moop", "false"); |
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108 | rtems_test_assert(!ok); |
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109 | |
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110 | ok = rtems_shell_login_check("invchroot", NULL); |
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111 | rtems_test_assert(!ok); |
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112 | |
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113 | rtems_test_assert(getuid() == 0); |
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114 | rtems_test_assert(geteuid() == 0); |
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115 | rtems_test_assert(getgid() == 0); |
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116 | rtems_test_assert(getegid() == 0); |
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117 | rtems_test_assert(uenv->ngroups == 0); |
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118 | |
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119 | ok = rtems_shell_login_check("zero", NULL); |
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120 | rtems_test_assert(ok); |
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121 | rtems_test_assert(getuid() == 3); |
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122 | rtems_test_assert(geteuid() == 3); |
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123 | rtems_test_assert(getgid() == 5); |
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124 | rtems_test_assert(getegid() == 5); |
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125 | rtems_test_assert(uenv->ngroups == 1); |
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126 | rtems_test_assert(uenv->groups[0] == 1); |
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127 | |
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128 | ok = rtems_shell_login_check("moop", "foo"); |
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129 | rtems_test_assert(ok); |
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130 | rtems_test_assert(getuid() == 1); |
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131 | rtems_test_assert(geteuid() == 1); |
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132 | rtems_test_assert(getgid() == 3); |
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133 | rtems_test_assert(getegid() == 3); |
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134 | rtems_test_assert(uenv->ngroups == 5); |
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135 | rtems_test_assert(uenv->groups[0] == 1); |
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136 | rtems_test_assert(uenv->groups[1] == 2); |
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137 | rtems_test_assert(uenv->groups[2] == 4); |
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138 | rtems_test_assert(uenv->groups[3] == 5); |
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139 | rtems_test_assert(uenv->groups[4] == 8); |
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140 | |
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141 | rv = setuid(0); |
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142 | rtems_test_assert(rv == 0); |
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143 | |
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144 | rv = seteuid(0); |
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145 | rtems_test_assert(rv == 0); |
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146 | |
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147 | ok = rtems_shell_login_check("chroot", NULL); |
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148 | rtems_test_assert(ok); |
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149 | rtems_test_assert(getuid() == 6); |
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150 | rtems_test_assert(geteuid() == 6); |
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151 | rtems_test_assert(getgid() == 8); |
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152 | rtems_test_assert(getegid() == 8); |
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153 | |
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154 | rv = lstat(".", &st_workdir); |
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155 | rtems_test_assert(rv == 0); |
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156 | rtems_test_assert(memcmp(&st_chroot, &st_workdir, sizeof(st_chroot)) == 0); |
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157 | |
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158 | rtems_libio_use_global_env(); |
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159 | } |
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160 | |
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161 | static void Init(rtems_task_argument arg) |
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162 | { |
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163 | TEST_BEGIN(); |
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164 | |
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165 | test(); |
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166 | |
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167 | TEST_END(); |
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168 | rtems_test_exit(0); |
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169 | } |
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170 | |
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171 | #define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER |
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172 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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173 | |
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174 | #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 4 |
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175 | |
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176 | #define CONFIGURE_MAXIMUM_TASKS 1 |
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177 | #define CONFIGURE_MAXIMUM_POSIX_KEYS 1 |
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178 | #define CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS 2 |
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179 | |
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180 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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181 | |
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182 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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183 | |
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184 | #define CONFIGURE_INIT |
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185 | |
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186 | #include <rtems/confdefs.h> |
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187 | |
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188 | #define CONFIGURE_SHELL_COMMANDS_INIT |
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189 | |
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190 | #include <rtems/shellconfig.h> |
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