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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 | #include <darwintest.h> #include "nvram_helper.h" T_GLOBAL_META(T_META_NAMESPACE("xnu.nvram"), T_META_RADAR_COMPONENT_NAME("xnu"), T_META_RADAR_COMPONENT_VERSION("nvram")); static io_registry_entry_t optionsRef = IO_OBJECT_NULL; // xcrun -sdk iphoneos.internal make -C tests nvram_nonentitled && sudo ./tests/build/sym/nvram_nonentitled // Test basic read, write, delete for a random variable T_DECL(TestBasicCmds, "Test basic nvram commands") { const char *varToTest = "varToTest1"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_GET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_DEL, varToTest, NULL, KERN_SUCCESS, optionsRef); ReleaseOptionsRef(optionsRef); } // Test basic read, write, delete for a random variable with random guid T_DECL(TestRandomGuid, "Test random guid") { const char *varToTest = "11112222-77F8-4392-B4A3-1E7304206516:varToTest3"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_GET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_DEL, varToTest, NULL, KERN_SUCCESS, optionsRef); ReleaseOptionsRef(optionsRef); } // Test NVRAM delete with return key works T_DECL(TestDelWRet, "Test NVRAM delete with return key") { char * varToTest = "testDelWRet"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_DEL_RET, varToTest, NULL, KERN_SUCCESS, optionsRef); TestVarOp(OP_GET, varToTest, NULL, KERN_FAILURE, optionsRef); ReleaseOptionsRef(optionsRef); } // Test NVRAM Sync T_DECL(TestNVRAMSync, "Test NVRAM Sync") { optionsRef = CreateOptionsRef(); // NVRAM sync using kIONVRAMSyncNowPropertyKey have a 15min rate limit. // However, we do not return an error for that not being able to sync due to the rate limit TestVarOp(OP_SYN, kIONVRAMSyncNowPropertyKey, NULL, KERN_SUCCESS, optionsRef); // kIONVRAMForceSyncNowPropertyKey bypasses the rate limit TestVarOp(OP_SYN, kIONVRAMForceSyncNowPropertyKey, NULL, KERN_SUCCESS, optionsRef); ReleaseOptionsRef(optionsRef); } // Test iokit matching for property T_DECL(TestIOKitMatch, "Test IOKit matching for property") { const char *varToTest = "iokitTestVar"; const char *pathToTest = CFSTR("IODeviceTree:/options"); const char *propToTest = CFSTR("iokitTestVar"); CFMutableDictionaryRef matchingDict = NULL; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); matchingDict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); if (!matchingDict) { T_FAIL("Failed to allocate matching dictionary"); goto exit; } // match to both path and property CFDictionaryAddValue(matchingDict, CFSTR(kIOPathMatchKey), pathToTest); CFDictionaryAddValue(matchingDict, CFSTR(kIOPropertyExistsMatchKey), propToTest); io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, matchingDict); if (!service) { T_FAIL("Failed to get matching service"); goto exit; } T_ASSERT_NE(service, IO_OBJECT_NULL, "Got service match for property %s", varToTest); exit: TestVarOp(OP_DEL, varToTest, NULL, KERN_SUCCESS, optionsRef); ReleaseOptionsRef(optionsRef); } #if !(__x86_64__) #if (TARGET_OS_OSX) // Test that writing of system variables without system entitlement should fail T_DECL(TestSystem, "Test system guids") { const char *varToTest = SystemNVRAMGuidString ":" "varToTest2"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, kIOReturnNotPrivileged, optionsRef); ReleaseOptionsRef(optionsRef); } #endif /* (TARGET_OS_OSX) */ // Test that writing of kernel variables without w/o kernel task should fail T_DECL(TestKernelPrefix, "Test kernel prefix") { char * varToTest = KernelOnlyVariablePrefix "kernelVar"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, kIOReturnNotPrivileged, optionsRef); TestVarOp(OP_GET, varToTest, DefaultSetVal, KERN_FAILURE, optionsRef); ReleaseOptionsRef(optionsRef); } // Test that variables with KernelOnly bit set cannot be modified from user space T_DECL(TestKernelOnly, "Test variable with TestKernelOnly bit set") { char * varToTest = "testKernelOnly"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, kIOReturnNotPrivileged, optionsRef); ReleaseOptionsRef(optionsRef); } // Test that variables with NeverAllowedToDelete bit set cannot be deleted even with ResetNVram() // To reset nvram, call the test with -r argument: // sudo ./tests/build/sym/nvram_nonentitled -n xnu.nvram.TestImmutable -- -r T_DECL(TestImmutable, "Test immutable variable") { opterr = 0; optind = 0; const char * varToTest = "testNeverDel"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_DEL, varToTest, NULL, KERN_FAILURE, optionsRef); if (getopt(argc, argv, "r") == 'r') { TestVarOp(OP_RES, NULL, NULL, KERN_SUCCESS, optionsRef); } TestVarOp(OP_GET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); ReleaseOptionsRef(optionsRef); } // Test that variables with ResetNVRAMOnlyDelete bit set can be deleted only by ResetNVram // To reset nvram, call the test with -r argument: // sudo ./tests/build/sym/nvram_nonentitled -n xnu.nvram.TestResetOnlyDel -- -r T_DECL(TestResetOnlyDel, "Test variable with ResetNVRAMOnlyDelete bit set") { opterr = 0; optind = 0; const char * varToTest = "testResetOnlyDel"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_DEL, varToTest, NULL, KERN_FAILURE, optionsRef); if (getopt(argc, argv, "r") == 'r') { TestVarOp(OP_RES, NULL, NULL, KERN_SUCCESS, optionsRef); TestVarOp(OP_GET, varToTest, NULL, KERN_FAILURE, optionsRef); } ReleaseOptionsRef(optionsRef); } // Test that read of entitled variables without entitlement should fail T_DECL(TestEntRd, "Test read entitled variables") { char * varToTest = "testEntRd"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_GET, varToTest, NULL, KERN_FAILURE, optionsRef); TestVarOp(OP_DEL, varToTest, NULL, KERN_SUCCESS, optionsRef); ReleaseOptionsRef(optionsRef); } // Test that writing of entitled variables without entitlement should fail T_DECL(TestEntModRst, "Test write entitled variables") { char * varToTest = "testEntModRst"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, kIOReturnNotPrivileged, optionsRef); ReleaseOptionsRef(optionsRef); } // Test that deleting of entitled variables without entitlement should fail // To reset nvram, call the test with -r argument: // sudo ./tests/build/sym/nvram_nonentitled -n xnu.nvram.TestEntDel -- -r T_DECL(TestEntDel, "Test delete entitled variables") { opterr = 0; optind = 0; char * varToTest = "testEntDel"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_DEL, varToTest, NULL, KERN_FAILURE, optionsRef); if (getopt(argc, argv, "r") == 'r') { TestVarOp(OP_RES, NULL, NULL, KERN_SUCCESS, optionsRef); TestVarOp(OP_GET, varToTest, NULL, KERN_FAILURE, optionsRef); } ReleaseOptionsRef(optionsRef); } // Test resetting of nvram without entitlement should not erase TestEntRst // To reset nvram, call the test with -r argument: // sudo ./tests/build/sym/nvram_nonentitled -n xnu.nvram.TestEntRst -- -r T_DECL(TestEntRst, "Test reset entitled variables") { opterr = 0; optind = 0; char * varToTest = "testEntRst"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); if (getopt(argc, argv, "r") == 'r') { TestVarOp(OP_RES, NULL, NULL, KERN_SUCCESS, optionsRef); TestVarOp(OP_GET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); } else { TestVarOp(OP_DEL, varToTest, NULL, KERN_SUCCESS, optionsRef); T_PASS("NVram reset not invoked"); } ReleaseOptionsRef(optionsRef); } // Test nvram types T_DECL(TestTypes, "Test nvram types") { char * boolVar = "test-bool"; char * numVar = "test-num"; char * strVar = "test-str"; char * dataVar = "test-data"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, boolVar, "true", KERN_SUCCESS, optionsRef); TestVarOp(OP_SET, numVar, "123", KERN_SUCCESS, optionsRef); TestVarOp(OP_SET, strVar, "teststring", KERN_SUCCESS, optionsRef); TestVarOp(OP_SET, dataVar, "testdata", KERN_SUCCESS, optionsRef); T_ASSERT_EQ(GetVarType(boolVar, optionsRef), CFBooleanGetTypeID(), "Verified %s type as boolean.\n", boolVar); T_ASSERT_EQ(GetVarType(numVar, optionsRef), CFNumberGetTypeID(), "Verified %s type as number.\n", numVar); T_ASSERT_EQ(GetVarType(strVar, optionsRef), CFStringGetTypeID(), "Verified %s type as string.\n", strVar); T_ASSERT_EQ(GetVarType(dataVar, optionsRef), CFDataGetTypeID(), "Verified %s type as data.\n", dataVar); TestVarOp(OP_DEL, boolVar, NULL, KERN_SUCCESS, optionsRef); TestVarOp(OP_DEL, numVar, NULL, KERN_SUCCESS, optionsRef); TestVarOp(OP_DEL, strVar, NULL, KERN_SUCCESS, optionsRef); TestVarOp(OP_DEL, dataVar, NULL, KERN_SUCCESS, optionsRef); ReleaseOptionsRef(optionsRef); } // Test NVRAM Reset // To reset nvram, call the test with -r argument: // sudo ./tests/build/sym/nvram_nonentitled -n xnu.nvram.TestNVRAMReset -- -r T_DECL(TestNVRAMReset, "Test NVRAM Reset") { opterr = 0; optind = 0; const char * varToTest = "testVar1"; const char * varToTestWRand = RandomNVRAMGuidString ":" "testVar2"; optionsRef = CreateOptionsRef(); if (getopt(argc, argv, "r") == 'r') { TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_SET, varToTestWRand, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_RES, NULL, NULL, KERN_SUCCESS, optionsRef); TestVarOp(OP_GET, varToTest, NULL, KERN_FAILURE, optionsRef); TestVarOp(OP_GET, varToTestWRand, NULL, KERN_FAILURE, optionsRef); } else { T_PASS("NVram reset not invoked"); } ReleaseOptionsRef(optionsRef); } // Test NVRAM Obliterate // To obliterate nvram, call the test with -r argument: // sudo ./tests/build/sym/nvram_nonentitled -n xnu.nvram.TestNVRAMOblit -- -r T_DECL(TestNVRAMOblit, "Test NVRAM Obliterate") { opterr = 0; optind = 0; const char * varToTest = "testVar1"; const char * varToTestWRand = RandomNVRAMGuidString ":" "testVar2"; const char * oblitNonSys = CommonNVRAMGuidString ":" "ObliterateNVRam"; optionsRef = CreateOptionsRef(); if (getopt(argc, argv, "r") == 'r') { TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_SET, varToTestWRand, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_OBL, oblitNonSys, NULL, KERN_SUCCESS, optionsRef); TestVarOp(OP_GET, varToTest, NULL, KERN_FAILURE, optionsRef); TestVarOp(OP_GET, varToTestWRand, NULL, KERN_FAILURE, optionsRef); } else { T_PASS("NVram obliterate not invoked"); } ReleaseOptionsRef(optionsRef); } // Clear all test variables T_DECL(TestZ, "Clear test variables") { char * varToTest = "clear-test-vars"; optionsRef = CreateOptionsRef(); TestVarOp(OP_SET, varToTest, DefaultSetVal, KERN_SUCCESS, optionsRef); TestVarOp(OP_GET, "testNeverDel", NULL, KERN_FAILURE, optionsRef); ReleaseOptionsRef(optionsRef); } #endif /* !(__x86_64__) */ |