projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 4a567c96 | 1 | /** @file\r |
| 2 | X.509 Certificate Handler Wrapper Implementation over OpenSSL.\r | |
| 3 | \r | |
| 66862136 | 4 | Copyright (c) 2010 - 2020, Intel Corporation. All rights reserved.<BR>\r |
| 2009f6b4 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 4a567c96 | 6 | \r |
| 7 | **/\r | |
| 8 | \r | |
| 9 | #include "InternalCryptLib.h"\r | |
| 10 | #include <openssl/x509.h>\r | |
| 8ecae3d6 QZ |
11 | #include <openssl/x509v3.h>\r |
| 12 | #include <crypto/asn1.h>\r | |
| 13 | #include <openssl/asn1.h>\r | |
| 1cae0c83 | 14 | #include <openssl/rsa.h>\r |
| b7d320f8 | 15 | \r |
| 8ecae3d6 QZ |
16 | /* OID*/\r |
| 17 | #define OID_EXT_KEY_USAGE { 0x55, 0x1D, 0x25 }\r | |
| 18 | #define OID_BASIC_CONSTRAINTS { 0x55, 0x1D, 0x13 }\r | |
| 19 | \r | |
| 20 | static CONST UINT8 mOidExtKeyUsage[] = OID_EXT_KEY_USAGE;\r | |
| 21 | static CONST UINT8 mOidBasicConstraints[] = OID_BASIC_CONSTRAINTS;\r | |
| 22 | \r | |
| 23 | #define CRYPTO_ASN1_TAG_CLASS_MASK 0xC0\r | |
| 24 | #define CRYPTO_ASN1_TAG_PC_MASK 0x20\r | |
| 25 | #define CRYPTO_ASN1_TAG_VALUE_MASK 0x1F\r | |
| 26 | \r | |
| b7d320f8 | 27 | /**\r |
| 28 | Construct a X509 object from DER-encoded certificate data.\r | |
| 29 | \r | |
| 16d2c32c | 30 | If Cert is NULL, then return FALSE.\r |
| 31 | If SingleX509Cert is NULL, then return FALSE.\r | |
| b7d320f8 | 32 | \r |
| 33 | @param[in] Cert Pointer to the DER-encoded certificate data.\r | |
| 34 | @param[in] CertSize The size of certificate data in bytes.\r | |
| 35 | @param[out] SingleX509Cert The generated X509 object.\r | |
| 36 | \r | |
| 37 | @retval TRUE The X509 object generation succeeded.\r | |
| 38 | @retval FALSE The operation failed.\r | |
| 39 | \r | |
| 40 | **/\r | |
| 41 | BOOLEAN\r | |
| 42 | EFIAPI\r | |
| 43 | X509ConstructCertificate (\r | |
| 44 | IN CONST UINT8 *Cert,\r | |
| 45 | IN UINTN CertSize,\r | |
| 46 | OUT UINT8 **SingleX509Cert\r | |
| 47 | )\r | |
| 48 | {\r | |
| 1463ce18 QL |
49 | X509 *X509Cert;\r |
| 50 | CONST UINT8 *Temp;\r | |
| b7d320f8 | 51 | \r |
| 52 | //\r | |
| 16d2c32c | 53 | // Check input parameters.\r |
| b7d320f8 | 54 | //\r |
| 7c342378 | 55 | if ((Cert == NULL) || (SingleX509Cert == NULL) || (CertSize > INT_MAX)) {\r |
| 16d2c32c | 56 | return FALSE;\r |
| 57 | }\r | |
| da9e7418 | 58 | \r |
| b7d320f8 | 59 | //\r |
| 60 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 61 | //\r | |
| 1463ce18 | 62 | Temp = Cert;\r |
| 7c342378 | 63 | X509Cert = d2i_X509 (NULL, &Temp, (long)CertSize);\r |
| b7d320f8 | 64 | if (X509Cert == NULL) {\r |
| 02ee8d3b | 65 | return FALSE;\r |
| b7d320f8 | 66 | }\r |
| 67 | \r | |
| 7c342378 | 68 | *SingleX509Cert = (UINT8 *)X509Cert;\r |
| b7d320f8 | 69 | \r |
| 02ee8d3b | 70 | return TRUE;\r |
| b7d320f8 | 71 | }\r |
| 72 | \r | |
| 73 | /**\r | |
| 74 | Construct a X509 stack object from a list of DER-encoded certificate data.\r | |
| 75 | \r | |
| 16d2c32c | 76 | If X509Stack is NULL, then return FALSE.\r |
| 66862136 | 77 | If this interface is not supported, then return FALSE.\r |
| b7d320f8 | 78 | \r |
| 952bd229 | 79 | @param[in, out] X509Stack On input, pointer to an existing or NULL X509 stack object.\r |
| b7d320f8 | 80 | On output, pointer to the X509 stack object with new\r |
| 81 | inserted X509 certificate.\r | |
| 66862136 MK |
82 | @param[in] Args VA_LIST marker for the variable argument list.\r |
| 83 | A list of DER-encoded single certificate data followed\r | |
| b7d320f8 | 84 | by certificate size. A NULL terminates the list. The\r |
| 85 | pairs are the arguments to X509ConstructCertificate().\r | |
| f56b11d2 | 86 | \r |
| b7d320f8 | 87 | @retval TRUE The X509 stack construction succeeded.\r |
| 88 | @retval FALSE The construction operation failed.\r | |
| 66862136 | 89 | @retval FALSE This interface is not supported.\r |
| b7d320f8 | 90 | \r |
| 91 | **/\r | |
| 92 | BOOLEAN\r | |
| 93 | EFIAPI\r | |
| 66862136 MK |
94 | X509ConstructCertificateStackV (\r |
| 95 | IN OUT UINT8 **X509Stack,\r | |
| 96 | IN VA_LIST Args\r | |
| b7d320f8 | 97 | )\r |
| 98 | {\r | |
| 7c342378 MK |
99 | UINT8 *Cert;\r |
| 100 | UINTN CertSize;\r | |
| 101 | X509 *X509Cert;\r | |
| 102 | \r | |
| 103 | STACK_OF (X509) *CertStack;\r | |
| 104 | BOOLEAN Status;\r | |
| 105 | UINTN Index;\r | |
| b7d320f8 | 106 | \r |
| 107 | //\r | |
| 16d2c32c | 108 | // Check input parameters.\r |
| b7d320f8 | 109 | //\r |
| 16d2c32c | 110 | if (X509Stack == NULL) {\r |
| 111 | return FALSE;\r | |
| 112 | }\r | |
| b7d320f8 | 113 | \r |
| 114 | Status = FALSE;\r | |
| 115 | \r | |
| 116 | //\r | |
| 117 | // Initialize X509 stack object.\r | |
| 118 | //\r | |
| 7c342378 | 119 | CertStack = (STACK_OF (X509) *)(*X509Stack);\r |
| b7d320f8 | 120 | if (CertStack == NULL) {\r |
| 121 | CertStack = sk_X509_new_null ();\r | |
| 122 | if (CertStack == NULL) {\r | |
| 123 | return Status;\r | |
| 124 | }\r | |
| 125 | }\r | |
| 126 | \r | |
| b7d320f8 | 127 | for (Index = 0; ; Index++) {\r |
| 128 | //\r | |
| 129 | // If Cert is NULL, then it is the end of the list.\r | |
| 130 | //\r | |
| 131 | Cert = VA_ARG (Args, UINT8 *);\r | |
| 132 | if (Cert == NULL) {\r | |
| 133 | break;\r | |
| 134 | }\r | |
| 135 | \r | |
| 136 | CertSize = VA_ARG (Args, UINTN);\r | |
| 1463ce18 QL |
137 | if (CertSize == 0) {\r |
| 138 | break;\r | |
| 139 | }\r | |
| b7d320f8 | 140 | \r |
| 141 | //\r | |
| 142 | // Construct X509 Object from the given DER-encoded certificate data.\r | |
| 143 | //\r | |
| 952bd229 | 144 | X509Cert = NULL;\r |
| 7c342378 MK |
145 | Status = X509ConstructCertificate (\r |
| 146 | (CONST UINT8 *)Cert,\r | |
| 147 | CertSize,\r | |
| 148 | (UINT8 **)&X509Cert\r | |
| 149 | );\r | |
| b7d320f8 | 150 | if (!Status) {\r |
| 1463ce18 QL |
151 | if (X509Cert != NULL) {\r |
| 152 | X509_free (X509Cert);\r | |
| 153 | }\r | |
| 7c342378 | 154 | \r |
| b7d320f8 | 155 | break;\r |
| 156 | }\r | |
| 157 | \r | |
| 158 | //\r | |
| 159 | // Insert the new X509 object into X509 stack object.\r | |
| 160 | //\r | |
| 161 | sk_X509_push (CertStack, X509Cert);\r | |
| 162 | }\r | |
| 163 | \r | |
| b7d320f8 | 164 | if (!Status) {\r |
| 165 | sk_X509_pop_free (CertStack, X509_free);\r | |
| 166 | } else {\r | |
| 7c342378 | 167 | *X509Stack = (UINT8 *)CertStack;\r |
| b7d320f8 | 168 | }\r |
| 169 | \r | |
| 170 | return Status;\r | |
| 171 | }\r | |
| 172 | \r | |
| 66862136 MK |
173 | /**\r |
| 174 | Construct a X509 stack object from a list of DER-encoded certificate data.\r | |
| 175 | \r | |
| 176 | If X509Stack is NULL, then return FALSE.\r | |
| 177 | \r | |
| 178 | @param[in, out] X509Stack On input, pointer to an existing or NULL X509 stack object.\r | |
| 179 | On output, pointer to the X509 stack object with new\r | |
| 180 | inserted X509 certificate.\r | |
| 181 | @param ... A list of DER-encoded single certificate data followed\r | |
| 182 | by certificate size. A NULL terminates the list. The\r | |
| 183 | pairs are the arguments to X509ConstructCertificate().\r | |
| 184 | \r | |
| 185 | @retval TRUE The X509 stack construction succeeded.\r | |
| 186 | @retval FALSE The construction operation failed.\r | |
| 187 | \r | |
| 188 | **/\r | |
| 189 | BOOLEAN\r | |
| 190 | EFIAPI\r | |
| 191 | X509ConstructCertificateStack (\r | |
| 192 | IN OUT UINT8 **X509Stack,\r | |
| 193 | ...\r | |
| 194 | )\r | |
| 195 | {\r | |
| 196 | VA_LIST Args;\r | |
| 197 | BOOLEAN Result;\r | |
| 198 | \r | |
| 199 | VA_START (Args, X509Stack);\r | |
| 200 | Result = X509ConstructCertificateStackV (X509Stack, Args);\r | |
| 201 | VA_END (Args);\r | |
| 202 | return Result;\r | |
| 203 | }\r | |
| 204 | \r | |
| b7d320f8 | 205 | /**\r |
| 206 | Release the specified X509 object.\r | |
| 207 | \r | |
| 16d2c32c | 208 | If X509Cert is NULL, then return FALSE.\r |
| b7d320f8 | 209 | \r |
| 210 | @param[in] X509Cert Pointer to the X509 object to be released.\r | |
| 211 | \r | |
| 212 | **/\r | |
| 213 | VOID\r | |
| 214 | EFIAPI\r | |
| 215 | X509Free (\r | |
| 216 | IN VOID *X509Cert\r | |
| 217 | )\r | |
| f56b11d2 | 218 | {\r |
| 16d2c32c | 219 | //\r |
| 220 | // Check input parameters.\r | |
| 221 | //\r | |
| 222 | if (X509Cert == NULL) {\r | |
| 223 | return;\r | |
| 224 | }\r | |
| f56b11d2 | 225 | \r |
| b7d320f8 | 226 | //\r |
| 227 | // Free OpenSSL X509 object.\r | |
| 228 | //\r | |
| 7c342378 | 229 | X509_free ((X509 *)X509Cert);\r |
| b7d320f8 | 230 | }\r |
| 231 | \r | |
| 232 | /**\r | |
| 233 | Release the specified X509 stack object.\r | |
| 234 | \r | |
| 16d2c32c | 235 | If X509Stack is NULL, then return FALSE.\r |
| b7d320f8 | 236 | \r |
| 237 | @param[in] X509Stack Pointer to the X509 stack object to be released.\r | |
| 238 | \r | |
| 239 | **/\r | |
| 240 | VOID\r | |
| 241 | EFIAPI\r | |
| 242 | X509StackFree (\r | |
| 243 | IN VOID *X509Stack\r | |
| 244 | )\r | |
| 245 | {\r | |
| 16d2c32c | 246 | //\r |
| 247 | // Check input parameters.\r | |
| 248 | //\r | |
| 249 | if (X509Stack == NULL) {\r | |
| 250 | return;\r | |
| 251 | }\r | |
| f56b11d2 | 252 | \r |
| b7d320f8 | 253 | //\r |
| 254 | // Free OpenSSL X509 stack object.\r | |
| 255 | //\r | |
| 7c342378 | 256 | sk_X509_pop_free ((STACK_OF (X509) *) X509Stack, X509_free);\r |
| b7d320f8 | 257 | }\r |
| 258 | \r | |
| 4a567c96 | 259 | /**\r |
| 260 | Retrieve the subject bytes from one X.509 certificate.\r | |
| 261 | \r | |
| 262 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 263 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 264 | @param[out] CertSubject Pointer to the retrieved certificate subject bytes.\r | |
| 265 | @param[in, out] SubjectSize The size in bytes of the CertSubject buffer on input,\r | |
| 266 | and the size of buffer returned CertSubject on output.\r | |
| 267 | \r | |
| 16d2c32c | 268 | If Cert is NULL, then return FALSE.\r |
| 269 | If SubjectSize is NULL, then return FALSE.\r | |
| 4a567c96 | 270 | \r |
| 271 | @retval TRUE The certificate subject retrieved successfully.\r | |
| 272 | @retval FALSE Invalid certificate, or the SubjectSize is too small for the result.\r | |
| 273 | The SubjectSize will be updated with the required size.\r | |
| 274 | \r | |
| 275 | **/\r | |
| 276 | BOOLEAN\r | |
| 277 | EFIAPI\r | |
| 278 | X509GetSubjectName (\r | |
| 279 | IN CONST UINT8 *Cert,\r | |
| 280 | IN UINTN CertSize,\r | |
| 281 | OUT UINT8 *CertSubject,\r | |
| 282 | IN OUT UINTN *SubjectSize\r | |
| 283 | )\r | |
| 284 | {\r | |
| 285 | BOOLEAN Status;\r | |
| 4a567c96 | 286 | X509 *X509Cert;\r |
| 287 | X509_NAME *X509Name;\r | |
| eeb8928a | 288 | UINTN X509NameSize;\r |
| 4a567c96 | 289 | \r |
| 290 | //\r | |
| 16d2c32c | 291 | // Check input parameters.\r |
| 4a567c96 | 292 | //\r |
| 7c342378 | 293 | if ((Cert == NULL) || (SubjectSize == NULL)) {\r |
| 16d2c32c | 294 | return FALSE;\r |
| 295 | }\r | |
| 4a567c96 | 296 | \r |
| 4a567c96 | 297 | X509Cert = NULL;\r |
| 298 | \r | |
| 299 | //\r | |
| 300 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 301 | //\r | |
| 7c342378 | 302 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r |
| b7d320f8 | 303 | if ((X509Cert == NULL) || (!Status)) {\r |
| dda39f3a | 304 | Status = FALSE;\r |
| 4a567c96 | 305 | goto _Exit;\r |
| 306 | }\r | |
| 307 | \r | |
| dda39f3a | 308 | Status = FALSE;\r |
| 309 | \r | |
| 4a567c96 | 310 | //\r |
| 311 | // Retrieve subject name from certificate object.\r | |
| 312 | //\r | |
| 313 | X509Name = X509_get_subject_name (X509Cert);\r | |
| dda39f3a | 314 | if (X509Name == NULL) {\r |
| 315 | goto _Exit;\r | |
| 316 | }\r | |
| 317 | \r | |
| 7c342378 | 318 | X509NameSize = i2d_X509_NAME (X509Name, NULL);\r |
| eeb8928a DW |
319 | if (*SubjectSize < X509NameSize) {\r |
| 320 | *SubjectSize = X509NameSize;\r | |
| 4a567c96 | 321 | goto _Exit;\r |
| 322 | }\r | |
| 7c342378 | 323 | \r |
| eeb8928a | 324 | *SubjectSize = X509NameSize;\r |
| 4a567c96 | 325 | if (CertSubject != NULL) {\r |
| 7c342378 | 326 | i2d_X509_NAME (X509Name, &CertSubject);\r |
| 4a567c96 | 327 | Status = TRUE;\r |
| 328 | }\r | |
| 329 | \r | |
| 330 | _Exit:\r | |
| 331 | //\r | |
| 332 | // Release Resources.\r | |
| 333 | //\r | |
| dda39f3a | 334 | if (X509Cert != NULL) {\r |
| 335 | X509_free (X509Cert);\r | |
| 336 | }\r | |
| 4a567c96 | 337 | \r |
| 338 | return Status;\r | |
| 339 | }\r | |
| 5b7c2245 QL |
340 | \r |
| 341 | /**\r | |
| 912e1e1e | 342 | Retrieve a string from one X.509 certificate base on the Request_NID.\r |
| 5b7c2245 QL |
343 | \r |
| 344 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 345 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 912e1e1e | 346 | @param[in] Request_NID NID of string to obtain\r |
| 5b7c2245 | 347 | @param[out] CommonName Buffer to contain the retrieved certificate common\r |
| 0b6457ef | 348 | name string (UTF8). At most CommonNameSize bytes will be\r |
| 5b7c2245 QL |
349 | written and the string will be null terminated. May be\r |
| 350 | NULL in order to determine the size buffer needed.\r | |
| 351 | @param[in,out] CommonNameSize The size in bytes of the CommonName buffer on input,\r | |
| 352 | and the size of buffer returned CommonName on output.\r | |
| 353 | If CommonName is NULL then the amount of space needed\r | |
| 354 | in buffer (including the final null) is returned.\r | |
| 355 | \r | |
| 356 | @retval RETURN_SUCCESS The certificate CommonName retrieved successfully.\r | |
| 357 | @retval RETURN_INVALID_PARAMETER If Cert is NULL.\r | |
| 358 | If CommonNameSize is NULL.\r | |
| 359 | If CommonName is not NULL and *CommonNameSize is 0.\r | |
| 360 | If Certificate is invalid.\r | |
| 912e1e1e | 361 | @retval RETURN_NOT_FOUND If no NID Name entry exists.\r |
| 5b7c2245 | 362 | @retval RETURN_BUFFER_TOO_SMALL If the CommonName is NULL. The required buffer size\r |
| 630f67dd | 363 | (including the final null) is returned in the\r |
| 5b7c2245 QL |
364 | CommonNameSize parameter.\r |
| 365 | @retval RETURN_UNSUPPORTED The operation is not supported.\r | |
| 366 | \r | |
| 367 | **/\r | |
| 912e1e1e | 368 | STATIC\r |
| 5b7c2245 | 369 | RETURN_STATUS\r |
| 912e1e1e | 370 | InternalX509GetNIDName (\r |
| 7c342378 MK |
371 | IN CONST UINT8 *Cert,\r |
| 372 | IN UINTN CertSize,\r | |
| 373 | IN INT32 Request_NID,\r | |
| 374 | OUT CHAR8 *CommonName OPTIONAL,\r | |
| 375 | IN OUT UINTN *CommonNameSize\r | |
| 5b7c2245 QL |
376 | )\r |
| 377 | {\r | |
| 0b6457ef LQ |
378 | RETURN_STATUS ReturnStatus;\r |
| 379 | BOOLEAN Status;\r | |
| 380 | X509 *X509Cert;\r | |
| 381 | X509_NAME *X509Name;\r | |
| 382 | INT32 Index;\r | |
| 383 | INTN Length;\r | |
| 384 | X509_NAME_ENTRY *Entry;\r | |
| 385 | ASN1_STRING *EntryData;\r | |
| 386 | UINT8 *UTF8Name;\r | |
| 5b7c2245 QL |
387 | \r |
| 388 | ReturnStatus = RETURN_INVALID_PARAMETER;\r | |
| 0b6457ef | 389 | UTF8Name = NULL;\r |
| 5b7c2245 QL |
390 | \r |
| 391 | //\r | |
| 392 | // Check input parameters.\r | |
| 393 | //\r | |
| 394 | if ((Cert == NULL) || (CertSize > INT_MAX) || (CommonNameSize == NULL)) {\r | |
| 395 | return ReturnStatus;\r | |
| 396 | }\r | |
| 7c342378 | 397 | \r |
| 5b7c2245 QL |
398 | if ((CommonName != NULL) && (*CommonNameSize == 0)) {\r |
| 399 | return ReturnStatus;\r | |
| 400 | }\r | |
| 401 | \r | |
| 402 | X509Cert = NULL;\r | |
| 403 | //\r | |
| 404 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 405 | //\r | |
| 7c342378 | 406 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r |
| 5b7c2245 QL |
407 | if ((X509Cert == NULL) || (!Status)) {\r |
| 408 | //\r | |
| 409 | // Invalid X.509 Certificate\r | |
| 410 | //\r | |
| 411 | goto _Exit;\r | |
| 412 | }\r | |
| 413 | \r | |
| 414 | Status = FALSE;\r | |
| 415 | \r | |
| 416 | //\r | |
| 417 | // Retrieve subject name from certificate object.\r | |
| 418 | //\r | |
| 419 | X509Name = X509_get_subject_name (X509Cert);\r | |
| 420 | if (X509Name == NULL) {\r | |
| 421 | //\r | |
| 422 | // Fail to retrieve subject name content\r | |
| 423 | //\r | |
| 424 | goto _Exit;\r | |
| 425 | }\r | |
| 426 | \r | |
| 427 | //\r | |
| 912e1e1e | 428 | // Retrive the string from X.509 Subject base on the Request_NID\r |
| 5b7c2245 | 429 | //\r |
| 912e1e1e | 430 | Index = X509_NAME_get_index_by_NID (X509Name, Request_NID, -1);\r |
| 0b6457ef | 431 | if (Index < 0) {\r |
| 5b7c2245 | 432 | //\r |
| 912e1e1e | 433 | // No Request_NID name entry exists in X509_NAME object\r |
| 5b7c2245 QL |
434 | //\r |
| 435 | *CommonNameSize = 0;\r | |
| 436 | ReturnStatus = RETURN_NOT_FOUND;\r | |
| 437 | goto _Exit;\r | |
| 438 | }\r | |
| 439 | \r | |
| 0b6457ef LQ |
440 | Entry = X509_NAME_get_entry (X509Name, Index);\r |
| 441 | if (Entry == NULL) {\r | |
| 442 | //\r | |
| 443 | // Fail to retrieve name entry data\r | |
| 444 | //\r | |
| 445 | *CommonNameSize = 0;\r | |
| 446 | ReturnStatus = RETURN_NOT_FOUND;\r | |
| 447 | goto _Exit;\r | |
| 448 | }\r | |
| 449 | \r | |
| 450 | EntryData = X509_NAME_ENTRY_get_data (Entry);\r | |
| 451 | \r | |
| 452 | Length = ASN1_STRING_to_UTF8 (&UTF8Name, EntryData);\r | |
| 453 | if (Length < 0) {\r | |
| 454 | //\r | |
| 912e1e1e | 455 | // Fail to convert the Name string\r |
| 0b6457ef LQ |
456 | //\r |
| 457 | *CommonNameSize = 0;\r | |
| 458 | ReturnStatus = RETURN_INVALID_PARAMETER;\r | |
| 459 | goto _Exit;\r | |
| 460 | }\r | |
| 461 | \r | |
| 5b7c2245 | 462 | if (CommonName == NULL) {\r |
| 0b6457ef | 463 | *CommonNameSize = Length + 1;\r |
| 7c342378 | 464 | ReturnStatus = RETURN_BUFFER_TOO_SMALL;\r |
| 5b7c2245 | 465 | } else {\r |
| 0b6457ef LQ |
466 | *CommonNameSize = MIN ((UINTN)Length, *CommonNameSize - 1) + 1;\r |
| 467 | CopyMem (CommonName, UTF8Name, *CommonNameSize - 1);\r | |
| 468 | CommonName[*CommonNameSize - 1] = '\0';\r | |
| 7c342378 | 469 | ReturnStatus = RETURN_SUCCESS;\r |
| 5b7c2245 QL |
470 | }\r |
| 471 | \r | |
| 472 | _Exit:\r | |
| 473 | //\r | |
| 474 | // Release Resources.\r | |
| 475 | //\r | |
| 476 | if (X509Cert != NULL) {\r | |
| 477 | X509_free (X509Cert);\r | |
| 478 | }\r | |
| 7c342378 | 479 | \r |
| 0b6457ef LQ |
480 | if (UTF8Name != NULL) {\r |
| 481 | OPENSSL_free (UTF8Name);\r | |
| 482 | }\r | |
| 5b7c2245 QL |
483 | \r |
| 484 | return ReturnStatus;\r | |
| 485 | }\r | |
| 4a567c96 | 486 | \r |
| 912e1e1e BB |
487 | /**\r |
| 488 | Retrieve the common name (CN) string from one X.509 certificate.\r | |
| 489 | \r | |
| 490 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 491 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 492 | @param[out] CommonName Buffer to contain the retrieved certificate common\r | |
| 493 | name string. At most CommonNameSize bytes will be\r | |
| 494 | written and the string will be null terminated. May be\r | |
| 495 | NULL in order to determine the size buffer needed.\r | |
| 496 | @param[in,out] CommonNameSize The size in bytes of the CommonName buffer on input,\r | |
| 497 | and the size of buffer returned CommonName on output.\r | |
| 498 | If CommonName is NULL then the amount of space needed\r | |
| 499 | in buffer (including the final null) is returned.\r | |
| 500 | \r | |
| 501 | @retval RETURN_SUCCESS The certificate CommonName retrieved successfully.\r | |
| 502 | @retval RETURN_INVALID_PARAMETER If Cert is NULL.\r | |
| 503 | If CommonNameSize is NULL.\r | |
| 504 | If CommonName is not NULL and *CommonNameSize is 0.\r | |
| 505 | If Certificate is invalid.\r | |
| 506 | @retval RETURN_NOT_FOUND If no CommonName entry exists.\r | |
| 507 | @retval RETURN_BUFFER_TOO_SMALL If the CommonName is NULL. The required buffer size\r | |
| 508 | (including the final null) is returned in the\r | |
| 509 | CommonNameSize parameter.\r | |
| 510 | @retval RETURN_UNSUPPORTED The operation is not supported.\r | |
| 511 | \r | |
| 512 | **/\r | |
| 513 | RETURN_STATUS\r | |
| 514 | EFIAPI\r | |
| 515 | X509GetCommonName (\r | |
| 516 | IN CONST UINT8 *Cert,\r | |
| 517 | IN UINTN CertSize,\r | |
| c8f46130 | 518 | OUT CHAR8 *CommonName OPTIONAL,\r |
| 912e1e1e BB |
519 | IN OUT UINTN *CommonNameSize\r |
| 520 | )\r | |
| 521 | {\r | |
| 522 | return InternalX509GetNIDName (Cert, CertSize, NID_commonName, CommonName, CommonNameSize);\r | |
| 523 | }\r | |
| 524 | \r | |
| 525 | /**\r | |
| 526 | Retrieve the organization name (O) string from one X.509 certificate.\r | |
| 527 | \r | |
| 528 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 529 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 530 | @param[out] NameBuffer Buffer to contain the retrieved certificate organization\r | |
| 531 | name string. At most NameBufferSize bytes will be\r | |
| 532 | written and the string will be null terminated. May be\r | |
| 533 | NULL in order to determine the size buffer needed.\r | |
| 534 | @param[in,out] NameBufferSize The size in bytes of the Name buffer on input,\r | |
| 535 | and the size of buffer returned Name on output.\r | |
| 536 | If NameBuffer is NULL then the amount of space needed\r | |
| 537 | in buffer (including the final null) is returned.\r | |
| 538 | \r | |
| 539 | @retval RETURN_SUCCESS The certificate Organization Name retrieved successfully.\r | |
| 540 | @retval RETURN_INVALID_PARAMETER If Cert is NULL.\r | |
| 541 | If NameBufferSize is NULL.\r | |
| 542 | If NameBuffer is not NULL and *CommonNameSize is 0.\r | |
| 543 | If Certificate is invalid.\r | |
| 544 | @retval RETURN_NOT_FOUND If no Organization Name entry exists.\r | |
| 545 | @retval RETURN_BUFFER_TOO_SMALL If the NameBuffer is NULL. The required buffer size\r | |
| 546 | (including the final null) is returned in the\r | |
| 547 | CommonNameSize parameter.\r | |
| 548 | @retval RETURN_UNSUPPORTED The operation is not supported.\r | |
| 549 | \r | |
| 550 | **/\r | |
| 551 | RETURN_STATUS\r | |
| 552 | EFIAPI\r | |
| 553 | X509GetOrganizationName (\r | |
| 7c342378 MK |
554 | IN CONST UINT8 *Cert,\r |
| 555 | IN UINTN CertSize,\r | |
| 556 | OUT CHAR8 *NameBuffer OPTIONAL,\r | |
| 557 | IN OUT UINTN *NameBufferSize\r | |
| 912e1e1e BB |
558 | )\r |
| 559 | {\r | |
| 560 | return InternalX509GetNIDName (Cert, CertSize, NID_organizationName, NameBuffer, NameBufferSize);\r | |
| 561 | }\r | |
| 562 | \r | |
| 4a567c96 | 563 | /**\r |
| 564 | Retrieve the RSA Public Key from one DER-encoded X509 certificate.\r | |
| 565 | \r | |
| 566 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 567 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 568 | @param[out] RsaContext Pointer to new-generated RSA context which contain the retrieved\r | |
| 569 | RSA public key component. Use RsaFree() function to free the\r | |
| 570 | resource.\r | |
| 571 | \r | |
| 16d2c32c | 572 | If Cert is NULL, then return FALSE.\r |
| 573 | If RsaContext is NULL, then return FALSE.\r | |
| 4a567c96 | 574 | \r |
| 575 | @retval TRUE RSA Public Key was retrieved successfully.\r | |
| 576 | @retval FALSE Fail to retrieve RSA public key from X509 certificate.\r | |
| 577 | \r | |
| 578 | **/\r | |
| 579 | BOOLEAN\r | |
| 580 | EFIAPI\r | |
| 581 | RsaGetPublicKeyFromX509 (\r | |
| 582 | IN CONST UINT8 *Cert,\r | |
| 583 | IN UINTN CertSize,\r | |
| 584 | OUT VOID **RsaContext\r | |
| 585 | )\r | |
| 586 | {\r | |
| 587 | BOOLEAN Status;\r | |
| 588 | EVP_PKEY *Pkey;\r | |
| 4a567c96 | 589 | X509 *X509Cert;\r |
| f56b11d2 | 590 | \r |
| 4a567c96 | 591 | //\r |
| 16d2c32c | 592 | // Check input parameters.\r |
| 4a567c96 | 593 | //\r |
| 7c342378 | 594 | if ((Cert == NULL) || (RsaContext == NULL)) {\r |
| 16d2c32c | 595 | return FALSE;\r |
| 596 | }\r | |
| 4a567c96 | 597 | \r |
| 4a567c96 | 598 | Pkey = NULL;\r |
| 4a567c96 | 599 | X509Cert = NULL;\r |
| 600 | \r | |
| 601 | //\r | |
| 602 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 603 | //\r | |
| 7c342378 | 604 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r |
| b7d320f8 | 605 | if ((X509Cert == NULL) || (!Status)) {\r |
| dda39f3a | 606 | Status = FALSE;\r |
| 4a567c96 | 607 | goto _Exit;\r |
| 608 | }\r | |
| 609 | \r | |
| dda39f3a | 610 | Status = FALSE;\r |
| 611 | \r | |
| 4a567c96 | 612 | //\r |
| 613 | // Retrieve and check EVP_PKEY data from X509 Certificate.\r | |
| 614 | //\r | |
| 615 | Pkey = X509_get_pubkey (X509Cert);\r | |
| f56b11d2 | 616 | if ((Pkey == NULL) || (EVP_PKEY_id (Pkey) != EVP_PKEY_RSA)) {\r |
| 4a567c96 | 617 | goto _Exit;\r |
| 618 | }\r | |
| 619 | \r | |
| 620 | //\r | |
| 621 | // Duplicate RSA Context from the retrieved EVP_PKEY.\r | |
| 622 | //\r | |
| f56b11d2 | 623 | if ((*RsaContext = RSAPublicKey_dup (EVP_PKEY_get0_RSA (Pkey))) != NULL) {\r |
| 4a567c96 | 624 | Status = TRUE;\r |
| 625 | }\r | |
| 626 | \r | |
| 627 | _Exit:\r | |
| 628 | //\r | |
| 629 | // Release Resources.\r | |
| 630 | //\r | |
| dda39f3a | 631 | if (X509Cert != NULL) {\r |
| 632 | X509_free (X509Cert);\r | |
| 633 | }\r | |
| 634 | \r | |
| 635 | if (Pkey != NULL) {\r | |
| 636 | EVP_PKEY_free (Pkey);\r | |
| f56b11d2 | 637 | }\r |
| 4a567c96 | 638 | \r |
| 639 | return Status;\r | |
| 640 | }\r | |
| 641 | \r | |
| 642 | /**\r | |
| 643 | Verify one X509 certificate was issued by the trusted CA.\r | |
| 644 | \r | |
| 645 | @param[in] Cert Pointer to the DER-encoded X509 certificate to be verified.\r | |
| 646 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 647 | @param[in] CACert Pointer to the DER-encoded trusted CA certificate.\r | |
| 648 | @param[in] CACertSize Size of the CA Certificate in bytes.\r | |
| 649 | \r | |
| 16d2c32c | 650 | If Cert is NULL, then return FALSE.\r |
| 651 | If CACert is NULL, then return FALSE.\r | |
| 4a567c96 | 652 | \r |
| 653 | @retval TRUE The certificate was issued by the trusted CA.\r | |
| 654 | @retval FALSE Invalid certificate or the certificate was not issued by the given\r | |
| 655 | trusted CA.\r | |
| 656 | \r | |
| 657 | **/\r | |
| 658 | BOOLEAN\r | |
| 659 | EFIAPI\r | |
| 660 | X509VerifyCert (\r | |
| 661 | IN CONST UINT8 *Cert,\r | |
| 662 | IN UINTN CertSize,\r | |
| 663 | IN CONST UINT8 *CACert,\r | |
| 664 | IN UINTN CACertSize\r | |
| 665 | )\r | |
| 666 | {\r | |
| 667 | BOOLEAN Status;\r | |
| 4a567c96 | 668 | X509 *X509Cert;\r |
| 669 | X509 *X509CACert;\r | |
| 670 | X509_STORE *CertStore;\r | |
| f56b11d2 QL |
671 | X509_STORE_CTX *CertCtx;\r |
| 672 | \r | |
| 4a567c96 | 673 | //\r |
| 16d2c32c | 674 | // Check input parameters.\r |
| 4a567c96 | 675 | //\r |
| 7c342378 | 676 | if ((Cert == NULL) || (CACert == NULL)) {\r |
| 16d2c32c | 677 | return FALSE;\r |
| 678 | }\r | |
| 4a567c96 | 679 | \r |
| 680 | Status = FALSE;\r | |
| 4a567c96 | 681 | X509Cert = NULL;\r |
| 682 | X509CACert = NULL;\r | |
| 683 | CertStore = NULL;\r | |
| f56b11d2 | 684 | CertCtx = NULL;\r |
| 4a567c96 | 685 | \r |
| 686 | //\r | |
| 687 | // Register & Initialize necessary digest algorithms for certificate verification.\r | |
| 688 | //\r | |
| dda39f3a | 689 | if (EVP_add_digest (EVP_md5 ()) == 0) {\r |
| 690 | goto _Exit;\r | |
| 691 | }\r | |
| 7c342378 | 692 | \r |
| dda39f3a | 693 | if (EVP_add_digest (EVP_sha1 ()) == 0) {\r |
| 694 | goto _Exit;\r | |
| 695 | }\r | |
| 7c342378 | 696 | \r |
| dda39f3a | 697 | if (EVP_add_digest (EVP_sha256 ()) == 0) {\r |
| 698 | goto _Exit;\r | |
| 699 | }\r | |
| 4a567c96 | 700 | \r |
| 701 | //\r | |
| 702 | // Read DER-encoded certificate to be verified and Construct X509 object.\r | |
| 703 | //\r | |
| 7c342378 | 704 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r |
| b7d320f8 | 705 | if ((X509Cert == NULL) || (!Status)) {\r |
| dda39f3a | 706 | Status = FALSE;\r |
| 4a567c96 | 707 | goto _Exit;\r |
| 708 | }\r | |
| 709 | \r | |
| 710 | //\r | |
| 711 | // Read DER-encoded root certificate and Construct X509 object.\r | |
| 712 | //\r | |
| 7c342378 | 713 | Status = X509ConstructCertificate (CACert, CACertSize, (UINT8 **)&X509CACert);\r |
| b7d320f8 | 714 | if ((X509CACert == NULL) || (!Status)) {\r |
| dda39f3a | 715 | Status = FALSE;\r |
| 4a567c96 | 716 | goto _Exit;\r |
| 717 | }\r | |
| 718 | \r | |
| dda39f3a | 719 | Status = FALSE;\r |
| 720 | \r | |
| 4a567c96 | 721 | //\r |
| 722 | // Set up X509 Store for trusted certificate.\r | |
| 723 | //\r | |
| 724 | CertStore = X509_STORE_new ();\r | |
| 725 | if (CertStore == NULL) {\r | |
| 726 | goto _Exit;\r | |
| 727 | }\r | |
| 7c342378 | 728 | \r |
| 4a567c96 | 729 | if (!(X509_STORE_add_cert (CertStore, X509CACert))) {\r |
| 730 | goto _Exit;\r | |
| 731 | }\r | |
| 732 | \r | |
| 68547181 DW |
733 | //\r |
| 734 | // Allow partial certificate chains, terminated by a non-self-signed but\r | |
| de0408be | 735 | // still trusted intermediate certificate. Also disable time checks.\r |
| 68547181 | 736 | //\r |
| 7c342378 MK |
737 | X509_STORE_set_flags (\r |
| 738 | CertStore,\r | |
| 739 | X509_V_FLAG_PARTIAL_CHAIN | X509_V_FLAG_NO_CHECK_TIME\r | |
| 740 | );\r | |
| 68547181 | 741 | \r |
| 4a567c96 | 742 | //\r |
| 743 | // Set up X509_STORE_CTX for the subsequent verification operation.\r | |
| 744 | //\r | |
| f56b11d2 QL |
745 | CertCtx = X509_STORE_CTX_new ();\r |
| 746 | if (CertCtx == NULL) {\r | |
| 747 | goto _Exit;\r | |
| 748 | }\r | |
| 7c342378 | 749 | \r |
| f56b11d2 | 750 | if (!X509_STORE_CTX_init (CertCtx, CertStore, X509Cert, NULL)) {\r |
| 4a567c96 | 751 | goto _Exit;\r |
| 752 | }\r | |
| 753 | \r | |
| 754 | //\r | |
| 755 | // X509 Certificate Verification.\r | |
| 756 | //\r | |
| 7c342378 | 757 | Status = (BOOLEAN)X509_verify_cert (CertCtx);\r |
| f56b11d2 | 758 | X509_STORE_CTX_cleanup (CertCtx);\r |
| 4a567c96 | 759 | \r |
| 760 | _Exit:\r | |
| 761 | //\r | |
| 762 | // Release Resources.\r | |
| 763 | //\r | |
| dda39f3a | 764 | if (X509Cert != NULL) {\r |
| 765 | X509_free (X509Cert);\r | |
| 766 | }\r | |
| 767 | \r | |
| 768 | if (X509CACert != NULL) {\r | |
| 769 | X509_free (X509CACert);\r | |
| 770 | }\r | |
| 4a567c96 | 771 | \r |
| dda39f3a | 772 | if (CertStore != NULL) {\r |
| 773 | X509_STORE_free (CertStore);\r | |
| 774 | }\r | |
| f56b11d2 QL |
775 | \r |
| 776 | X509_STORE_CTX_free (CertCtx);\r | |
| 777 | \r | |
| 4a567c96 | 778 | return Status;\r |
| 779 | }\r | |
| 12d95665 LQ |
780 | \r |
| 781 | /**\r | |
| 782 | Retrieve the TBSCertificate from one given X.509 certificate.\r | |
| 783 | \r | |
| 784 | @param[in] Cert Pointer to the given DER-encoded X509 certificate.\r | |
| 785 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 786 | @param[out] TBSCert DER-Encoded To-Be-Signed certificate.\r | |
| 787 | @param[out] TBSCertSize Size of the TBS certificate in bytes.\r | |
| 788 | \r | |
| 789 | If Cert is NULL, then return FALSE.\r | |
| 790 | If TBSCert is NULL, then return FALSE.\r | |
| 791 | If TBSCertSize is NULL, then return FALSE.\r | |
| 792 | \r | |
| 793 | @retval TRUE The TBSCertificate was retrieved successfully.\r | |
| 794 | @retval FALSE Invalid X.509 certificate.\r | |
| 795 | \r | |
| 796 | **/\r | |
| 797 | BOOLEAN\r | |
| 798 | EFIAPI\r | |
| 799 | X509GetTBSCert (\r | |
| 800 | IN CONST UINT8 *Cert,\r | |
| 801 | IN UINTN CertSize,\r | |
| 802 | OUT UINT8 **TBSCert,\r | |
| 803 | OUT UINTN *TBSCertSize\r | |
| 804 | )\r | |
| 805 | {\r | |
| 806 | CONST UINT8 *Temp;\r | |
| 2067d9f8 ZC |
807 | UINT32 Asn1Tag;\r |
| 808 | UINT32 ObjClass;\r | |
| 12d95665 LQ |
809 | UINTN Length;\r |
| 810 | \r | |
| 811 | //\r | |
| 812 | // Check input parameters.\r | |
| 813 | //\r | |
| 1463ce18 | 814 | if ((Cert == NULL) || (TBSCert == NULL) ||\r |
| 7c342378 MK |
815 | (TBSCertSize == NULL) || (CertSize > INT_MAX))\r |
| 816 | {\r | |
| 12d95665 LQ |
817 | return FALSE;\r |
| 818 | }\r | |
| 819 | \r | |
| 820 | //\r | |
| 821 | // An X.509 Certificate is: (defined in RFC3280)\r | |
| 822 | // Certificate ::= SEQUENCE {\r | |
| 823 | // tbsCertificate TBSCertificate,\r | |
| 824 | // signatureAlgorithm AlgorithmIdentifier,\r | |
| 825 | // signature BIT STRING }\r | |
| 826 | //\r | |
| 827 | // and\r | |
| 828 | //\r | |
| 829 | // TBSCertificate ::= SEQUENCE {\r | |
| 830 | // version [0] Version DEFAULT v1,\r | |
| 831 | // ...\r | |
| 832 | // }\r | |
| 833 | //\r | |
| 834 | // So we can just ASN1-parse the x.509 DER-encoded data. If we strip\r | |
| 835 | // the first SEQUENCE, the second SEQUENCE is the TBSCertificate.\r | |
| 836 | //\r | |
| 2067d9f8 ZC |
837 | Temp = Cert;\r |
| 838 | Length = 0;\r | |
| 12d95665 LQ |
839 | ASN1_get_object (&Temp, (long *)&Length, (int *)&Asn1Tag, (int *)&ObjClass, (long)CertSize);\r |
| 840 | \r | |
| 841 | if (Asn1Tag != V_ASN1_SEQUENCE) {\r | |
| 842 | return FALSE;\r | |
| 843 | }\r | |
| 844 | \r | |
| 845 | *TBSCert = (UINT8 *)Temp;\r | |
| 846 | \r | |
| 847 | ASN1_get_object (&Temp, (long *)&Length, (int *)&Asn1Tag, (int *)&ObjClass, (long)Length);\r | |
| 848 | //\r | |
| 849 | // Verify the parsed TBSCertificate is one correct SEQUENCE data.\r | |
| 850 | //\r | |
| 851 | if (Asn1Tag != V_ASN1_SEQUENCE) {\r | |
| 852 | return FALSE;\r | |
| 853 | }\r | |
| 854 | \r | |
| 855 | *TBSCertSize = Length + (Temp - *TBSCert);\r | |
| f56b11d2 | 856 | \r |
| 12d95665 LQ |
857 | return TRUE;\r |
| 858 | }\r | |
| f21a1d48 QZ |
859 | \r |
| 860 | /**\r | |
| 861 | Retrieve the EC Public Key from one DER-encoded X509 certificate.\r | |
| 862 | \r | |
| 863 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 864 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 865 | @param[out] EcContext Pointer to new-generated EC DSA context which contain the retrieved\r | |
| 866 | EC public key component. Use EcFree() function to free the\r | |
| 867 | resource.\r | |
| 868 | \r | |
| 869 | If Cert is NULL, then return FALSE.\r | |
| 870 | If EcContext is NULL, then return FALSE.\r | |
| 871 | \r | |
| 872 | @retval TRUE EC Public Key was retrieved successfully.\r | |
| 873 | @retval FALSE Fail to retrieve EC public key from X509 certificate.\r | |
| 874 | \r | |
| 875 | **/\r | |
| 876 | BOOLEAN\r | |
| 877 | EFIAPI\r | |
| 878 | EcGetPublicKeyFromX509 (\r | |
| 879 | IN CONST UINT8 *Cert,\r | |
| 880 | IN UINTN CertSize,\r | |
| 881 | OUT VOID **EcContext\r | |
| 882 | )\r | |
| 883 | {\r | |
| 884 | #if FixedPcdGetBool (PcdOpensslEcEnabled)\r | |
| 885 | BOOLEAN Status;\r | |
| 886 | EVP_PKEY *Pkey;\r | |
| 887 | X509 *X509Cert;\r | |
| 888 | \r | |
| 889 | //\r | |
| 890 | // Check input parameters.\r | |
| 891 | //\r | |
| 892 | if ((Cert == NULL) || (EcContext == NULL)) {\r | |
| 893 | return FALSE;\r | |
| 894 | }\r | |
| 895 | \r | |
| 896 | Pkey = NULL;\r | |
| 897 | X509Cert = NULL;\r | |
| 898 | \r | |
| 899 | //\r | |
| 900 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 901 | //\r | |
| 902 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r | |
| 903 | if ((X509Cert == NULL) || (!Status)) {\r | |
| 904 | Status = FALSE;\r | |
| 905 | goto _Exit;\r | |
| 906 | }\r | |
| 907 | \r | |
| 908 | Status = FALSE;\r | |
| 909 | \r | |
| 910 | //\r | |
| 911 | // Retrieve and check EVP_PKEY data from X509 Certificate.\r | |
| 912 | //\r | |
| 913 | Pkey = X509_get_pubkey (X509Cert);\r | |
| 914 | if ((Pkey == NULL) || (EVP_PKEY_id (Pkey) != EVP_PKEY_EC)) {\r | |
| 915 | goto _Exit;\r | |
| 916 | }\r | |
| 917 | \r | |
| 918 | //\r | |
| 919 | // Duplicate EC Context from the retrieved EVP_PKEY.\r | |
| 920 | //\r | |
| 921 | if ((*EcContext = EC_KEY_dup (EVP_PKEY_get0_EC_KEY (Pkey))) != NULL) {\r | |
| 922 | Status = TRUE;\r | |
| 923 | }\r | |
| 924 | \r | |
| 925 | _Exit:\r | |
| 926 | //\r | |
| 927 | // Release Resources.\r | |
| 928 | //\r | |
| 929 | if (X509Cert != NULL) {\r | |
| 930 | X509_free (X509Cert);\r | |
| 931 | }\r | |
| 932 | \r | |
| 933 | if (Pkey != NULL) {\r | |
| 934 | EVP_PKEY_free (Pkey);\r | |
| 935 | }\r | |
| 936 | \r | |
| 937 | return Status;\r | |
| 938 | #else\r | |
| 939 | return FALSE;\r | |
| 940 | #endif\r | |
| 941 | }\r | |
| 8ecae3d6 QZ |
942 | \r |
| 943 | /**\r | |
| 944 | Retrieve the version from one X.509 certificate.\r | |
| 945 | \r | |
| 946 | If Cert is NULL, then return FALSE.\r | |
| 947 | If CertSize is 0, then return FALSE.\r | |
| 948 | If this interface is not supported, then return FALSE.\r | |
| 949 | \r | |
| 950 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 951 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 952 | @param[out] Version Pointer to the retrieved version integer.\r | |
| 953 | \r | |
| 954 | @retval TRUE The certificate version retrieved successfully.\r | |
| 955 | @retval FALSE If Cert is NULL or CertSize is Zero.\r | |
| 956 | @retval FALSE The operation is not supported.\r | |
| 957 | \r | |
| 958 | **/\r | |
| 959 | BOOLEAN\r | |
| 960 | EFIAPI\r | |
| 961 | X509GetVersion (\r | |
| 962 | IN CONST UINT8 *Cert,\r | |
| 963 | IN UINTN CertSize,\r | |
| 964 | OUT UINTN *Version\r | |
| 965 | )\r | |
| 966 | {\r | |
| 967 | BOOLEAN Status;\r | |
| 968 | X509 *X509Cert;\r | |
| 969 | \r | |
| 970 | X509Cert = NULL;\r | |
| 971 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r | |
| 972 | if ((X509Cert == NULL) || (!Status)) {\r | |
| 973 | //\r | |
| 974 | // Invalid X.509 Certificate\r | |
| 975 | //\r | |
| 976 | Status = FALSE;\r | |
| 977 | }\r | |
| 978 | \r | |
| 979 | if (Status) {\r | |
| 980 | *Version = X509_get_version (X509Cert);\r | |
| 981 | }\r | |
| 982 | \r | |
| 983 | if (X509Cert != NULL) {\r | |
| 984 | X509_free (X509Cert);\r | |
| 985 | }\r | |
| 986 | \r | |
| 987 | return Status;\r | |
| 988 | }\r | |
| 989 | \r | |
| 990 | /**\r | |
| 991 | Retrieve the serialNumber from one X.509 certificate.\r | |
| 992 | \r | |
| 993 | If Cert is NULL, then return FALSE.\r | |
| 994 | If CertSize is 0, then return FALSE.\r | |
| 995 | If this interface is not supported, then return FALSE.\r | |
| 996 | \r | |
| 997 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 998 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 999 | @param[out] SerialNumber Pointer to the retrieved certificate SerialNumber bytes.\r | |
| 1000 | @param[in, out] SerialNumberSize The size in bytes of the SerialNumber buffer on input,\r | |
| 1001 | and the size of buffer returned SerialNumber on output.\r | |
| 1002 | \r | |
| 1003 | @retval TRUE The certificate serialNumber retrieved successfully.\r | |
| 1004 | @retval FALSE If Cert is NULL or CertSize is Zero.\r | |
| 1005 | If SerialNumberSize is NULL.\r | |
| 1006 | If Certificate is invalid.\r | |
| 1007 | @retval FALSE If no SerialNumber exists.\r | |
| 1008 | @retval FALSE If the SerialNumber is NULL. The required buffer size\r | |
| 1009 | (including the final null) is returned in the\r | |
| 1010 | SerialNumberSize parameter.\r | |
| 1011 | @retval FALSE The operation is not supported.\r | |
| 1012 | **/\r | |
| 1013 | BOOLEAN\r | |
| 1014 | EFIAPI\r | |
| 1015 | X509GetSerialNumber (\r | |
| 1016 | IN CONST UINT8 *Cert,\r | |
| 1017 | IN UINTN CertSize,\r | |
| 1018 | OUT UINT8 *SerialNumber, OPTIONAL\r | |
| 1019 | IN OUT UINTN *SerialNumberSize\r | |
| 1020 | )\r | |
| 1021 | {\r | |
| 1022 | BOOLEAN Status;\r | |
| 1023 | X509 *X509Cert;\r | |
| 1024 | ASN1_INTEGER *Asn1Integer;\r | |
| 1025 | \r | |
| 1026 | Status = FALSE;\r | |
| 1027 | //\r | |
| 1028 | // Check input parameters.\r | |
| 1029 | //\r | |
| 1030 | if ((Cert == NULL) || (SerialNumberSize == NULL)) {\r | |
| 1031 | return Status;\r | |
| 1032 | }\r | |
| 1033 | \r | |
| 1034 | X509Cert = NULL;\r | |
| 1035 | \r | |
| 1036 | //\r | |
| 1037 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 1038 | //\r | |
| 1039 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r | |
| 1040 | if ((X509Cert == NULL) || (!Status)) {\r | |
| 1041 | *SerialNumberSize = 0;\r | |
| 1042 | Status = FALSE;\r | |
| 1043 | goto _Exit;\r | |
| 1044 | }\r | |
| 1045 | \r | |
| 1046 | //\r | |
| 1047 | // Retrieve subject name from certificate object.\r | |
| 1048 | //\r | |
| 1049 | Asn1Integer = X509_get_serialNumber (X509Cert);\r | |
| 1050 | if (Asn1Integer == NULL) {\r | |
| 1051 | *SerialNumberSize = 0;\r | |
| 1052 | Status = FALSE;\r | |
| 1053 | goto _Exit;\r | |
| 1054 | }\r | |
| 1055 | \r | |
| 1056 | if (*SerialNumberSize < (UINTN)Asn1Integer->length) {\r | |
| 1057 | *SerialNumberSize = (UINTN)Asn1Integer->length;\r | |
| 1058 | Status = FALSE;\r | |
| 1059 | goto _Exit;\r | |
| 1060 | }\r | |
| 1061 | \r | |
| 1062 | if (SerialNumber != NULL) {\r | |
| 1063 | CopyMem (SerialNumber, Asn1Integer->data, *SerialNumberSize);\r | |
| 1064 | Status = TRUE;\r | |
| 1065 | }\r | |
| 1066 | \r | |
| 1067 | *SerialNumberSize = (UINTN)Asn1Integer->length;\r | |
| 1068 | \r | |
| 1069 | _Exit:\r | |
| 1070 | //\r | |
| 1071 | // Release Resources.\r | |
| 1072 | //\r | |
| 1073 | if (X509Cert != NULL) {\r | |
| 1074 | X509_free (X509Cert);\r | |
| 1075 | }\r | |
| 1076 | \r | |
| 1077 | return Status;\r | |
| 1078 | }\r | |
| 1079 | \r | |
| 1080 | /**\r | |
| 1081 | Retrieve the issuer bytes from one X.509 certificate.\r | |
| 1082 | \r | |
| 1083 | If Cert is NULL, then return FALSE.\r | |
| 1084 | If CertIssuerSize is NULL, then return FALSE.\r | |
| 1085 | If this interface is not supported, then return FALSE.\r | |
| 1086 | \r | |
| 1087 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 1088 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 1089 | @param[out] CertIssuer Pointer to the retrieved certificate subject bytes.\r | |
| 1090 | @param[in, out] CertIssuerSize The size in bytes of the CertIssuer buffer on input,\r | |
| 1091 | and the size of buffer returned CertSubject on output.\r | |
| 1092 | \r | |
| 1093 | @retval TRUE The certificate issuer retrieved successfully.\r | |
| 1094 | @retval FALSE Invalid certificate, or the CertIssuerSize is too small for the result.\r | |
| 1095 | The CertIssuerSize will be updated with the required size.\r | |
| 1096 | @retval FALSE This interface is not supported.\r | |
| 1097 | \r | |
| 1098 | **/\r | |
| 1099 | BOOLEAN\r | |
| 1100 | EFIAPI\r | |
| 1101 | X509GetIssuerName (\r | |
| 1102 | IN CONST UINT8 *Cert,\r | |
| 1103 | IN UINTN CertSize,\r | |
| 1104 | OUT UINT8 *CertIssuer,\r | |
| 1105 | IN OUT UINTN *CertIssuerSize\r | |
| 1106 | )\r | |
| 1107 | {\r | |
| 1108 | BOOLEAN Status;\r | |
| 1109 | X509 *X509Cert;\r | |
| 1110 | X509_NAME *X509Name;\r | |
| 1111 | UINTN X509NameSize;\r | |
| 1112 | \r | |
| 1113 | //\r | |
| 1114 | // Check input parameters.\r | |
| 1115 | //\r | |
| 1116 | if ((Cert == NULL) || (CertIssuerSize == NULL)) {\r | |
| 1117 | return FALSE;\r | |
| 1118 | }\r | |
| 1119 | \r | |
| 1120 | X509Cert = NULL;\r | |
| 1121 | \r | |
| 1122 | //\r | |
| 1123 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 1124 | //\r | |
| 1125 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r | |
| 1126 | if ((X509Cert == NULL) || (!Status)) {\r | |
| 1127 | Status = FALSE;\r | |
| 1128 | goto _Exit;\r | |
| 1129 | }\r | |
| 1130 | \r | |
| 1131 | Status = FALSE;\r | |
| 1132 | \r | |
| 1133 | //\r | |
| 1134 | // Retrieve subject name from certificate object.\r | |
| 1135 | //\r | |
| 1136 | X509Name = X509_get_subject_name (X509Cert);\r | |
| 1137 | if (X509Name == NULL) {\r | |
| 1138 | goto _Exit;\r | |
| 1139 | }\r | |
| 1140 | \r | |
| 1141 | X509NameSize = i2d_X509_NAME (X509Name, NULL);\r | |
| 1142 | if (*CertIssuerSize < X509NameSize) {\r | |
| 1143 | *CertIssuerSize = X509NameSize;\r | |
| 1144 | goto _Exit;\r | |
| 1145 | }\r | |
| 1146 | \r | |
| 1147 | *CertIssuerSize = X509NameSize;\r | |
| 1148 | if (CertIssuer != NULL) {\r | |
| 1149 | i2d_X509_NAME (X509Name, &CertIssuer);\r | |
| 1150 | Status = TRUE;\r | |
| 1151 | }\r | |
| 1152 | \r | |
| 1153 | _Exit:\r | |
| 1154 | //\r | |
| 1155 | // Release Resources.\r | |
| 1156 | //\r | |
| 1157 | if (X509Cert != NULL) {\r | |
| 1158 | X509_free (X509Cert);\r | |
| 1159 | }\r | |
| 1160 | \r | |
| 1161 | return Status;\r | |
| 1162 | }\r | |
| 1163 | \r | |
| 1164 | /**\r | |
| 1165 | Retrieve the Signature Algorithm from one X.509 certificate.\r | |
| 1166 | \r | |
| 1167 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 1168 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 1169 | @param[out] Oid Signature Algorithm Object identifier buffer.\r | |
| 1170 | @param[in,out] OidSize Signature Algorithm Object identifier buffer size\r | |
| 1171 | \r | |
| 1172 | @retval TRUE The certificate Extension data retrieved successfully.\r | |
| 1173 | @retval FALSE If Cert is NULL.\r | |
| 1174 | If OidSize is NULL.\r | |
| 1175 | If Oid is not NULL and *OidSize is 0.\r | |
| 1176 | If Certificate is invalid.\r | |
| 1177 | @retval FALSE If no SignatureType.\r | |
| 1178 | @retval FALSE If the Oid is NULL. The required buffer size\r | |
| 1179 | is returned in the OidSize.\r | |
| 1180 | @retval FALSE The operation is not supported.\r | |
| 1181 | **/\r | |
| 1182 | BOOLEAN\r | |
| 1183 | EFIAPI\r | |
| 1184 | X509GetSignatureAlgorithm (\r | |
| 1185 | IN CONST UINT8 *Cert,\r | |
| 1186 | IN UINTN CertSize,\r | |
| 1187 | OUT UINT8 *Oid, OPTIONAL\r | |
| 1188 | IN OUT UINTN *OidSize\r | |
| 1189 | )\r | |
| 1190 | {\r | |
| 1191 | BOOLEAN Status;\r | |
| 1192 | X509 *X509Cert;\r | |
| 1193 | int Nid;\r | |
| 1194 | ASN1_OBJECT *Asn1Obj;\r | |
| 1195 | \r | |
| 1196 | //\r | |
| 1197 | // Check input parameters.\r | |
| 1198 | //\r | |
| 1199 | if ((Cert == NULL) || (OidSize == NULL) || (CertSize == 0)) {\r | |
| 1200 | return FALSE;\r | |
| 1201 | }\r | |
| 1202 | \r | |
| 1203 | X509Cert = NULL;\r | |
| 1204 | Status = FALSE;\r | |
| 1205 | \r | |
| 1206 | //\r | |
| 1207 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 1208 | //\r | |
| 1209 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r | |
| 1210 | if ((X509Cert == NULL) || (!Status)) {\r | |
| 1211 | Status = FALSE;\r | |
| 1212 | goto _Exit;\r | |
| 1213 | }\r | |
| 1214 | \r | |
| 1215 | //\r | |
| 1216 | // Retrieve subject name from certificate object.\r | |
| 1217 | //\r | |
| 1218 | Nid = X509_get_signature_nid (X509Cert);\r | |
| 1219 | if (Nid == NID_undef) {\r | |
| 1220 | *OidSize = 0;\r | |
| 1221 | Status = FALSE;\r | |
| 1222 | goto _Exit;\r | |
| 1223 | }\r | |
| 1224 | \r | |
| 1225 | Asn1Obj = OBJ_nid2obj (Nid);\r | |
| 1226 | if (Asn1Obj == NULL) {\r | |
| 1227 | *OidSize = 0;\r | |
| 1228 | Status = FALSE;\r | |
| 1229 | goto _Exit;\r | |
| 1230 | }\r | |
| 1231 | \r | |
| 1232 | if (*OidSize < (UINTN)Asn1Obj->length) {\r | |
| 1233 | *OidSize = Asn1Obj->length;\r | |
| 1234 | Status = FALSE;\r | |
| 1235 | goto _Exit;\r | |
| 1236 | }\r | |
| 1237 | \r | |
| 1238 | if (Oid != NULL) {\r | |
| 1239 | CopyMem (Oid, Asn1Obj->data, Asn1Obj->length);\r | |
| 1240 | }\r | |
| 1241 | \r | |
| 1242 | *OidSize = Asn1Obj->length;\r | |
| 1243 | Status = TRUE;\r | |
| 1244 | \r | |
| 1245 | _Exit:\r | |
| 1246 | //\r | |
| 1247 | // Release Resources.\r | |
| 1248 | //\r | |
| 1249 | if (X509Cert != NULL) {\r | |
| 1250 | X509_free (X509Cert);\r | |
| 1251 | }\r | |
| 1252 | \r | |
| 1253 | return Status;\r | |
| 1254 | }\r | |
| 1255 | \r | |
| 1256 | /**\r | |
| 1257 | Retrieve Extension data from one X.509 certificate.\r | |
| 1258 | \r | |
| 1259 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 1260 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 1261 | @param[in] Oid Object identifier buffer\r | |
| 1262 | @param[in] OidSize Object identifier buffer size\r | |
| 1263 | @param[out] ExtensionData Extension bytes.\r | |
| 1264 | @param[in, out] ExtensionDataSize Extension bytes size.\r | |
| 1265 | \r | |
| 1266 | @retval TRUE The certificate Extension data retrieved successfully.\r | |
| 1267 | @retval FALSE If Cert is NULL.\r | |
| 1268 | If ExtensionDataSize is NULL.\r | |
| 1269 | If ExtensionData is not NULL and *ExtensionDataSize is 0.\r | |
| 1270 | If Certificate is invalid.\r | |
| 1271 | @retval FALSE If no Extension entry match Oid.\r | |
| 1272 | @retval FALSE If the ExtensionData is NULL. The required buffer size\r | |
| 1273 | is returned in the ExtensionDataSize parameter.\r | |
| 1274 | @retval FALSE The operation is not supported.\r | |
| 1275 | **/\r | |
| 1276 | BOOLEAN\r | |
| 1277 | EFIAPI\r | |
| 1278 | X509GetExtensionData (\r | |
| 1279 | IN CONST UINT8 *Cert,\r | |
| 1280 | IN UINTN CertSize,\r | |
| 1281 | IN CONST UINT8 *Oid,\r | |
| 1282 | IN UINTN OidSize,\r | |
| 1283 | OUT UINT8 *ExtensionData,\r | |
| 1284 | IN OUT UINTN *ExtensionDataSize\r | |
| 1285 | )\r | |
| 1286 | {\r | |
| 1287 | BOOLEAN Status;\r | |
| 1288 | INTN i;\r | |
| 1289 | X509 *X509Cert;\r | |
| 1290 | \r | |
| 1291 | CONST STACK_OF (X509_EXTENSION) *Extensions;\r | |
| 1292 | ASN1_OBJECT *Asn1Obj;\r | |
| 1293 | ASN1_OCTET_STRING *Asn1Oct;\r | |
| 1294 | X509_EXTENSION *Ext;\r | |
| 1295 | UINTN ObjLength;\r | |
| 1296 | UINTN OctLength;\r | |
| 1297 | \r | |
| 1298 | //\r | |
| 1299 | // Check input parameters.\r | |
| 1300 | //\r | |
| 1301 | if ((Cert == NULL) || (CertSize == 0) || (Oid == NULL) || (OidSize == 0) || (ExtensionDataSize == NULL)) {\r | |
| 1302 | return FALSE;\r | |
| 1303 | }\r | |
| 1304 | \r | |
| 1305 | X509Cert = NULL;\r | |
| 1306 | Status = FALSE;\r | |
| 1307 | \r | |
| 1308 | //\r | |
| 1309 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 1310 | //\r | |
| 1311 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r | |
| 1312 | if ((X509Cert == NULL) || (!Status)) {\r | |
| 1313 | *ExtensionDataSize = 0;\r | |
| 1314 | goto Cleanup;\r | |
| 1315 | }\r | |
| 1316 | \r | |
| 1317 | //\r | |
| 1318 | // Retrieve Extensions from certificate object.\r | |
| 1319 | //\r | |
| 1320 | Extensions = X509_get0_extensions (X509Cert);\r | |
| 1321 | if (sk_X509_EXTENSION_num (Extensions) <= 0) {\r | |
| 1322 | *ExtensionDataSize = 0;\r | |
| 1323 | goto Cleanup;\r | |
| 1324 | }\r | |
| 1325 | \r | |
| 1326 | //\r | |
| 1327 | // Traverse Extensions\r | |
| 1328 | //\r | |
| 1329 | Status = FALSE;\r | |
| 1330 | Asn1Oct = NULL;\r | |
| 1331 | OctLength = 0;\r | |
| 1332 | for (i = 0; i < sk_X509_EXTENSION_num (Extensions); i++) {\r | |
| 1333 | Ext = sk_X509_EXTENSION_value (Extensions, (int)i);\r | |
| 1334 | if (Ext == NULL) {\r | |
| 1335 | continue;\r | |
| 1336 | }\r | |
| 1337 | \r | |
| 1338 | Asn1Obj = X509_EXTENSION_get_object (Ext);\r | |
| 1339 | if (Asn1Obj == NULL) {\r | |
| 1340 | continue;\r | |
| 1341 | }\r | |
| 1342 | \r | |
| 1343 | Asn1Oct = X509_EXTENSION_get_data (Ext);\r | |
| 1344 | if (Asn1Oct == NULL) {\r | |
| 1345 | continue;\r | |
| 1346 | }\r | |
| 1347 | \r | |
| 1348 | ObjLength = OBJ_length (Asn1Obj);\r | |
| 1349 | OctLength = ASN1_STRING_length (Asn1Oct);\r | |
| 1350 | if ((OidSize == ObjLength) && (CompareMem (OBJ_get0_data (Asn1Obj), Oid, OidSize) == 0)) {\r | |
| 1351 | //\r | |
| 1352 | // Extension Found\r | |
| 1353 | //\r | |
| 1354 | Status = TRUE;\r | |
| 1355 | break;\r | |
| 1356 | }\r | |
| 1357 | \r | |
| 1358 | //\r | |
| 1359 | // reset to 0 if not found\r | |
| 1360 | //\r | |
| 1361 | OctLength = 0;\r | |
| 1362 | }\r | |
| 1363 | \r | |
| 1364 | if (Status) {\r | |
| 1365 | if (*ExtensionDataSize < OctLength) {\r | |
| 1366 | *ExtensionDataSize = OctLength;\r | |
| 1367 | Status = FALSE;\r | |
| 1368 | goto Cleanup;\r | |
| 1369 | }\r | |
| 1370 | \r | |
| 1371 | if (Asn1Oct != NULL) {\r | |
| 1372 | CopyMem (ExtensionData, ASN1_STRING_get0_data (Asn1Oct), OctLength);\r | |
| 1373 | }\r | |
| 1374 | \r | |
| 1375 | *ExtensionDataSize = OctLength;\r | |
| 1376 | } else {\r | |
| 1377 | *ExtensionDataSize = 0;\r | |
| 1378 | }\r | |
| 1379 | \r | |
| 1380 | Cleanup:\r | |
| 1381 | //\r | |
| 1382 | // Release Resources.\r | |
| 1383 | //\r | |
| 1384 | if (X509Cert != NULL) {\r | |
| 1385 | X509_free (X509Cert);\r | |
| 1386 | }\r | |
| 1387 | \r | |
| 1388 | return Status;\r | |
| 1389 | }\r | |
| 1390 | \r | |
| 1391 | /**\r | |
| 1392 | Retrieve the Extended Key Usage from one X.509 certificate.\r | |
| 1393 | \r | |
| 1394 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 1395 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 1396 | @param[out] Usage Key Usage bytes.\r | |
| 1397 | @param[in, out] UsageSize Key Usage buffer sizs in bytes.\r | |
| 1398 | \r | |
| 1399 | @retval TRUE The Usage bytes retrieve successfully.\r | |
| 1400 | @retval FALSE If Cert is NULL.\r | |
| 1401 | If CertSize is NULL.\r | |
| 1402 | If Usage is not NULL and *UsageSize is 0.\r | |
| 1403 | If Cert is invalid.\r | |
| 1404 | @retval FALSE If the Usage is NULL. The required buffer size\r | |
| 1405 | is returned in the UsageSize parameter.\r | |
| 1406 | @retval FALSE The operation is not supported.\r | |
| 1407 | **/\r | |
| 1408 | BOOLEAN\r | |
| 1409 | EFIAPI\r | |
| 1410 | X509GetExtendedKeyUsage (\r | |
| 1411 | IN CONST UINT8 *Cert,\r | |
| 1412 | IN UINTN CertSize,\r | |
| 1413 | OUT UINT8 *Usage,\r | |
| 1414 | IN OUT UINTN *UsageSize\r | |
| 1415 | )\r | |
| 1416 | {\r | |
| 1417 | BOOLEAN Status;\r | |
| 1418 | \r | |
| 1419 | Status = X509GetExtensionData (Cert, CertSize, mOidExtKeyUsage, sizeof (mOidExtKeyUsage), Usage, UsageSize);\r | |
| 1420 | return Status;\r | |
| 1421 | }\r | |
| 1422 | \r | |
| 1423 | /**\r | |
| 1424 | Retrieve the Validity from one X.509 certificate\r | |
| 1425 | \r | |
| 1426 | If Cert is NULL, then return FALSE.\r | |
| 1427 | If CertIssuerSize is NULL, then return FALSE.\r | |
| 1428 | If this interface is not supported, then return FALSE.\r | |
| 1429 | \r | |
| 1430 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 1431 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 1432 | @param[out] From notBefore Pointer to DateTime object.\r | |
| 1433 | @param[in,out] FromSize notBefore DateTime object size.\r | |
| 1434 | @param[out] To notAfter Pointer to DateTime object.\r | |
| 1435 | @param[in,out] ToSize notAfter DateTime object size.\r | |
| 1436 | \r | |
| 1437 | Note: X509CompareDateTime to compare DateTime oject\r | |
| 1438 | x509SetDateTime to get a DateTime object from a DateTimeStr\r | |
| 1439 | \r | |
| 1440 | @retval TRUE The certificate Validity retrieved successfully.\r | |
| 1441 | @retval FALSE Invalid certificate, or Validity retrieve failed.\r | |
| 1442 | @retval FALSE This interface is not supported.\r | |
| 1443 | **/\r | |
| 1444 | BOOLEAN\r | |
| 1445 | EFIAPI\r | |
| 1446 | X509GetValidity (\r | |
| 1447 | IN CONST UINT8 *Cert,\r | |
| 1448 | IN UINTN CertSize,\r | |
| 1449 | IN UINT8 *From,\r | |
| 1450 | IN OUT UINTN *FromSize,\r | |
| 1451 | IN UINT8 *To,\r | |
| 1452 | IN OUT UINTN *ToSize\r | |
| 1453 | )\r | |
| 1454 | {\r | |
| 1455 | BOOLEAN Status;\r | |
| 1456 | X509 *X509Cert;\r | |
| 1457 | CONST ASN1_TIME *F;\r | |
| 1458 | CONST ASN1_TIME *T;\r | |
| 1459 | UINTN TSize;\r | |
| 1460 | UINTN FSize;\r | |
| 1461 | \r | |
| 1462 | //\r | |
| 1463 | // Check input parameters.\r | |
| 1464 | //\r | |
| 1465 | if ((Cert == NULL) || (FromSize == NULL) || (ToSize == NULL) || (CertSize == 0)) {\r | |
| 1466 | return FALSE;\r | |
| 1467 | }\r | |
| 1468 | \r | |
| 1469 | X509Cert = NULL;\r | |
| 1470 | Status = FALSE;\r | |
| 1471 | \r | |
| 1472 | //\r | |
| 1473 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 1474 | //\r | |
| 1475 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r | |
| 1476 | if ((X509Cert == NULL) || (!Status)) {\r | |
| 1477 | goto _Exit;\r | |
| 1478 | }\r | |
| 1479 | \r | |
| 1480 | //\r | |
| 1481 | // Retrieve Validity from/to from certificate object.\r | |
| 1482 | //\r | |
| 1483 | F = X509_get0_notBefore (X509Cert);\r | |
| 1484 | T = X509_get0_notAfter (X509Cert);\r | |
| 1485 | \r | |
| 1486 | if ((F == NULL) || (T == NULL)) {\r | |
| 1487 | goto _Exit;\r | |
| 1488 | }\r | |
| 1489 | \r | |
| 1490 | FSize = sizeof (ASN1_TIME) + F->length;\r | |
| 1491 | if (*FromSize < FSize) {\r | |
| 1492 | *FromSize = FSize;\r | |
| 1493 | goto _Exit;\r | |
| 1494 | }\r | |
| 1495 | \r | |
| 1496 | *FromSize = FSize;\r | |
| 1497 | if (From != NULL) {\r | |
| 1498 | CopyMem (From, F, sizeof (ASN1_TIME));\r | |
| 1499 | ((ASN1_TIME *)From)->data = From + sizeof (ASN1_TIME);\r | |
| 1500 | CopyMem (From + sizeof (ASN1_TIME), F->data, F->length);\r | |
| 1501 | }\r | |
| 1502 | \r | |
| 1503 | TSize = sizeof (ASN1_TIME) + T->length;\r | |
| 1504 | if (*ToSize < TSize) {\r | |
| 1505 | *ToSize = TSize;\r | |
| 1506 | goto _Exit;\r | |
| 1507 | }\r | |
| 1508 | \r | |
| 1509 | *ToSize = TSize;\r | |
| 1510 | if (To != NULL) {\r | |
| 1511 | CopyMem (To, T, sizeof (ASN1_TIME));\r | |
| 1512 | ((ASN1_TIME *)To)->data = To + sizeof (ASN1_TIME);\r | |
| 1513 | CopyMem (To + sizeof (ASN1_TIME), T->data, T->length);\r | |
| 1514 | }\r | |
| 1515 | \r | |
| 1516 | Status = TRUE;\r | |
| 1517 | \r | |
| 1518 | _Exit:\r | |
| 1519 | //\r | |
| 1520 | // Release Resources.\r | |
| 1521 | //\r | |
| 1522 | if (X509Cert != NULL) {\r | |
| 1523 | X509_free (X509Cert);\r | |
| 1524 | }\r | |
| 1525 | \r | |
| 1526 | return Status;\r | |
| 1527 | }\r | |
| 1528 | \r | |
| 1529 | /**\r | |
| 1530 | Format a DateTimeStr to DataTime object in DataTime Buffer\r | |
| 1531 | \r | |
| 1532 | If DateTimeStr is NULL, then return FALSE.\r | |
| 1533 | If DateTimeSize is NULL, then return FALSE.\r | |
| 1534 | If this interface is not supported, then return FALSE.\r | |
| 1535 | \r | |
| 1536 | @param[in] DateTimeStr DateTime string like YYYYMMDDhhmmssZ\r | |
| 1537 | Ref: https://www.w3.org/TR/NOTE-datetime\r | |
| 1538 | Z stand for UTC time\r | |
| 1539 | @param[out] DateTime Pointer to a DateTime object.\r | |
| 1540 | @param[in,out] DateTimeSize DateTime object buffer size.\r | |
| 1541 | \r | |
| 1542 | @retval TRUE The DateTime object create successfully.\r | |
| 1543 | @retval FALSE If DateTimeStr is NULL.\r | |
| 1544 | If DateTimeSize is NULL.\r | |
| 1545 | If DateTime is not NULL and *DateTimeSize is 0.\r | |
| 1546 | If Year Month Day Hour Minute Second combination is invalid datetime.\r | |
| 1547 | @retval FALSE If the DateTime is NULL. The required buffer size\r | |
| 1548 | (including the final null) is returned in the\r | |
| 1549 | DateTimeSize parameter.\r | |
| 1550 | @retval FALSE The operation is not supported.\r | |
| 1551 | **/\r | |
| 1552 | BOOLEAN\r | |
| 1553 | EFIAPI\r | |
| 1554 | X509FormatDateTime (\r | |
| 1555 | IN CONST CHAR8 *DateTimeStr,\r | |
| 1556 | OUT VOID *DateTime,\r | |
| 1557 | IN OUT UINTN *DateTimeSize\r | |
| 1558 | )\r | |
| 1559 | {\r | |
| 1560 | BOOLEAN Status;\r | |
| 1561 | INT32 Ret;\r | |
| 1562 | ASN1_TIME *Dt;\r | |
| 1563 | UINTN DSize;\r | |
| 1564 | \r | |
| 1565 | Dt = NULL;\r | |
| 1566 | Status = FALSE;\r | |
| 1567 | \r | |
| 1568 | Dt = ASN1_TIME_new ();\r | |
| 1569 | if (Dt == NULL) {\r | |
| 1570 | Status = FALSE;\r | |
| 1571 | goto Cleanup;\r | |
| 1572 | }\r | |
| 1573 | \r | |
| 1574 | Ret = ASN1_TIME_set_string_X509 (Dt, DateTimeStr);\r | |
| 1575 | if (Ret != 1) {\r | |
| 1576 | Status = FALSE;\r | |
| 1577 | goto Cleanup;\r | |
| 1578 | }\r | |
| 1579 | \r | |
| 1580 | DSize = sizeof (ASN1_TIME) + Dt->length;\r | |
| 1581 | if (*DateTimeSize < DSize) {\r | |
| 1582 | *DateTimeSize = DSize;\r | |
| 1583 | Status = FALSE;\r | |
| 1584 | goto Cleanup;\r | |
| 1585 | }\r | |
| 1586 | \r | |
| 1587 | *DateTimeSize = DSize;\r | |
| 1588 | if (DateTime != NULL) {\r | |
| 1589 | CopyMem (DateTime, Dt, sizeof (ASN1_TIME));\r | |
| 1590 | ((ASN1_TIME *)DateTime)->data = (UINT8 *)DateTime + sizeof (ASN1_TIME);\r | |
| 1591 | CopyMem ((UINT8 *)DateTime + sizeof (ASN1_TIME), Dt->data, Dt->length);\r | |
| 1592 | }\r | |
| 1593 | \r | |
| 1594 | Status = TRUE;\r | |
| 1595 | \r | |
| 1596 | Cleanup:\r | |
| 1597 | if (Dt != NULL) {\r | |
| 1598 | ASN1_TIME_free (Dt);\r | |
| 1599 | }\r | |
| 1600 | \r | |
| 1601 | return Status;\r | |
| 1602 | }\r | |
| 1603 | \r | |
| 1604 | /**\r | |
| 1605 | Compare DateTime1 object and DateTime2 object.\r | |
| 1606 | \r | |
| 1607 | If DateTime1 is NULL, then return -2.\r | |
| 1608 | If DateTime2 is NULL, then return -2.\r | |
| 1609 | If DateTime1 == DateTime2, then return 0\r | |
| 1610 | If DateTime1 > DateTime2, then return 1\r | |
| 1611 | If DateTime1 < DateTime2, then return -1\r | |
| 1612 | \r | |
| 1613 | @param[in] DateTime1 Pointer to a DateTime Ojbect\r | |
| 1614 | @param[in] DateTime2 Pointer to a DateTime Object\r | |
| 1615 | \r | |
| 1616 | @retval 0 If DateTime1 == DateTime2\r | |
| 1617 | @retval 1 If DateTime1 > DateTime2\r | |
| 1618 | @retval -1 If DateTime1 < DateTime2\r | |
| 1619 | **/\r | |
| 1620 | INT32\r | |
| 1621 | EFIAPI\r | |
| 1622 | X509CompareDateTime (\r | |
| 1623 | IN CONST VOID *DateTime1,\r | |
| 1624 | IN CONST VOID *DateTime2\r | |
| 1625 | )\r | |
| 1626 | {\r | |
| 1627 | return (INT32)ASN1_TIME_compare (DateTime1, DateTime2);\r | |
| 1628 | }\r | |
| 1629 | \r | |
| 1630 | /**\r | |
| 1631 | Retrieve the Key Usage from one X.509 certificate.\r | |
| 1632 | \r | |
| 1633 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 1634 | @param[in] CertSize Size of the X509 certificate in bytes.\r | |
| 1635 | @param[out] Usage Key Usage (CRYPTO_X509_KU_*)\r | |
| 1636 | \r | |
| 1637 | @retval TRUE The certificate Key Usage retrieved successfully.\r | |
| 1638 | @retval FALSE Invalid certificate, or Usage is NULL\r | |
| 1639 | @retval FALSE This interface is not supported.\r | |
| 1640 | **/\r | |
| 1641 | BOOLEAN\r | |
| 1642 | EFIAPI\r | |
| 1643 | X509GetKeyUsage (\r | |
| 1644 | IN CONST UINT8 *Cert,\r | |
| 1645 | IN UINTN CertSize,\r | |
| 1646 | OUT UINTN *Usage\r | |
| 1647 | )\r | |
| 1648 | {\r | |
| 1649 | BOOLEAN Status;\r | |
| 1650 | X509 *X509Cert;\r | |
| 1651 | \r | |
| 1652 | //\r | |
| 1653 | // Check input parameters.\r | |
| 1654 | //\r | |
| 1655 | if ((Cert == NULL) || (Usage == NULL)) {\r | |
| 1656 | return FALSE;\r | |
| 1657 | }\r | |
| 1658 | \r | |
| 1659 | X509Cert = NULL;\r | |
| 1660 | Status = FALSE;\r | |
| 1661 | \r | |
| 1662 | //\r | |
| 1663 | // Read DER-encoded X509 Certificate and Construct X509 object.\r | |
| 1664 | //\r | |
| 1665 | Status = X509ConstructCertificate (Cert, CertSize, (UINT8 **)&X509Cert);\r | |
| 1666 | if ((X509Cert == NULL) || (!Status)) {\r | |
| 1667 | goto _Exit;\r | |
| 1668 | }\r | |
| 1669 | \r | |
| 1670 | //\r | |
| 1671 | // Retrieve subject name from certificate object.\r | |
| 1672 | //\r | |
| 1673 | *Usage = X509_get_key_usage (X509Cert);\r | |
| 1674 | if (*Usage == NID_undef) {\r | |
| 1675 | goto _Exit;\r | |
| 1676 | }\r | |
| 1677 | \r | |
| 1678 | Status = TRUE;\r | |
| 1679 | \r | |
| 1680 | _Exit:\r | |
| 1681 | //\r | |
| 1682 | // Release Resources.\r | |
| 1683 | //\r | |
| 1684 | if (X509Cert != NULL) {\r | |
| 1685 | X509_free (X509Cert);\r | |
| 1686 | }\r | |
| 1687 | \r | |
| 1688 | return Status;\r | |
| 1689 | }\r | |
| 1690 | \r | |
| 1691 | /**\r | |
| 1692 | Verify one X509 certificate was issued by the trusted CA.\r | |
| 1693 | @param[in] RootCert Trusted Root Certificate buffer\r | |
| 1694 | \r | |
| 1695 | @param[in] RootCertLength Trusted Root Certificate buffer length\r | |
| 1696 | @param[in] CertChain One or more ASN.1 DER-encoded X.509 certificates\r | |
| 1697 | where the first certificate is signed by the Root\r | |
| 1698 | Certificate or is the Root Cerificate itself. and\r | |
| 1699 | subsequent cerificate is signed by the preceding\r | |
| 1700 | cerificate.\r | |
| 1701 | @param[in] CertChainLength Total length of the certificate chain, in bytes.\r | |
| 1702 | \r | |
| 1703 | @retval TRUE All cerificates was issued by the first certificate in X509Certchain.\r | |
| 1704 | @retval FALSE Invalid certificate or the certificate was not issued by the given\r | |
| 1705 | trusted CA.\r | |
| 1706 | **/\r | |
| 1707 | BOOLEAN\r | |
| 1708 | EFIAPI\r | |
| 1709 | X509VerifyCertChain (\r | |
| 1710 | IN CONST UINT8 *RootCert,\r | |
| 1711 | IN UINTN RootCertLength,\r | |
| 1712 | IN CONST UINT8 *CertChain,\r | |
| 1713 | IN UINTN CertChainLength\r | |
| 1714 | )\r | |
| 1715 | {\r | |
| 1716 | CONST UINT8 *TmpPtr;\r | |
| 1717 | UINTN Length;\r | |
| 1718 | UINT32 Asn1Tag;\r | |
| 1719 | UINT32 ObjClass;\r | |
| 1720 | CONST UINT8 *CurrentCert;\r | |
| 1721 | UINTN CurrentCertLen;\r | |
| 1722 | CONST UINT8 *PrecedingCert;\r | |
| 1723 | UINTN PrecedingCertLen;\r | |
| 1724 | BOOLEAN VerifyFlag;\r | |
| 1725 | INT32 Ret;\r | |
| 1726 | \r | |
| 1727 | PrecedingCert = RootCert;\r | |
| 1728 | PrecedingCertLen = RootCertLength;\r | |
| 1729 | \r | |
| 1730 | CurrentCert = CertChain;\r | |
| 1731 | Length = 0;\r | |
| 1732 | CurrentCertLen = 0;\r | |
| 1733 | \r | |
| 1734 | VerifyFlag = FALSE;\r | |
| 1735 | while (TRUE) {\r | |
| 1736 | TmpPtr = CurrentCert;\r | |
| 1737 | Ret = ASN1_get_object (\r | |
| 1738 | (CONST UINT8 **)&TmpPtr,\r | |
| 1739 | (long *)&Length,\r | |
| 1740 | (int *)&Asn1Tag,\r | |
| 1741 | (int *)&ObjClass,\r | |
| 1742 | (long)(CertChainLength + CertChain - TmpPtr)\r | |
| 1743 | );\r | |
| 1744 | if ((Asn1Tag != V_ASN1_SEQUENCE) || (Ret == 0x80)) {\r | |
| 1745 | break;\r | |
| 1746 | }\r | |
| 1747 | \r | |
| 1748 | //\r | |
| 1749 | // Calculate CurrentCert length;\r | |
| 1750 | //\r | |
| 1751 | CurrentCertLen = TmpPtr - CurrentCert + Length;\r | |
| 1752 | \r | |
| 1753 | //\r | |
| 1754 | // Verify CurrentCert with preceding cert;\r | |
| 1755 | //\r | |
| 1756 | VerifyFlag = X509VerifyCert (CurrentCert, CurrentCertLen, PrecedingCert, PrecedingCertLen);\r | |
| 1757 | if (VerifyFlag == FALSE) {\r | |
| 1758 | break;\r | |
| 1759 | }\r | |
| 1760 | \r | |
| 1761 | //\r | |
| 1762 | // move Current cert to Preceding cert\r | |
| 1763 | //\r | |
| 1764 | PrecedingCertLen = CurrentCertLen;\r | |
| 1765 | PrecedingCert = CurrentCert;\r | |
| 1766 | \r | |
| 1767 | //\r | |
| 1768 | // Move to next\r | |
| 1769 | //\r | |
| 1770 | CurrentCert = CurrentCert + CurrentCertLen;\r | |
| 1771 | }\r | |
| 1772 | \r | |
| 1773 | return VerifyFlag;\r | |
| 1774 | }\r | |
| 1775 | \r | |
| 1776 | /**\r | |
| 1777 | Get one X509 certificate from CertChain.\r | |
| 1778 | \r | |
| 1779 | @param[in] CertChain One or more ASN.1 DER-encoded X.509 certificates\r | |
| 1780 | where the first certificate is signed by the Root\r | |
| 1781 | Certificate or is the Root Cerificate itself. and\r | |
| 1782 | subsequent cerificate is signed by the preceding\r | |
| 1783 | cerificate.\r | |
| 1784 | @param[in] CertChainLength Total length of the certificate chain, in bytes.\r | |
| 1785 | \r | |
| 1786 | @param[in] CertIndex Index of certificate.\r | |
| 1787 | \r | |
| 1788 | @param[out] Cert The certificate at the index of CertChain.\r | |
| 1789 | @param[out] CertLength The length certificate at the index of CertChain.\r | |
| 1790 | \r | |
| 1791 | @retval TRUE Success.\r | |
| 1792 | @retval FALSE Failed to get certificate from certificate chain.\r | |
| 1793 | **/\r | |
| 1794 | BOOLEAN\r | |
| 1795 | EFIAPI\r | |
| 1796 | X509GetCertFromCertChain (\r | |
| 1797 | IN CONST UINT8 *CertChain,\r | |
| 1798 | IN UINTN CertChainLength,\r | |
| 1799 | IN CONST INT32 CertIndex,\r | |
| 1800 | OUT CONST UINT8 **Cert,\r | |
| 1801 | OUT UINTN *CertLength\r | |
| 1802 | )\r | |
| 1803 | {\r | |
| 1804 | UINTN Asn1Len;\r | |
| 1805 | INT32 CurrentIndex;\r | |
| 1806 | UINTN CurrentCertLen;\r | |
| 1807 | CONST UINT8 *CurrentCert;\r | |
| 1808 | CONST UINT8 *TmpPtr;\r | |
| 1809 | INT32 Ret;\r | |
| 1810 | UINT32 Asn1Tag;\r | |
| 1811 | UINT32 ObjClass;\r | |
| 1812 | \r | |
| 1813 | //\r | |
| 1814 | // Check input parameters.\r | |
| 1815 | //\r | |
| 1816 | if ((CertChain == NULL) || (Cert == NULL) ||\r | |
| 1817 | (CertIndex < -1) || (CertLength == NULL))\r | |
| 1818 | {\r | |
| 1819 | return FALSE;\r | |
| 1820 | }\r | |
| 1821 | \r | |
| 1822 | Asn1Len = 0;\r | |
| 1823 | CurrentCertLen = 0;\r | |
| 1824 | CurrentCert = CertChain;\r | |
| 1825 | CurrentIndex = -1;\r | |
| 1826 | \r | |
| 1827 | //\r | |
| 1828 | // Traverse the certificate chain\r | |
| 1829 | //\r | |
| 1830 | while (TRUE) {\r | |
| 1831 | TmpPtr = CurrentCert;\r | |
| 1832 | \r | |
| 1833 | // Get asn1 object and taglen\r | |
| 1834 | Ret = ASN1_get_object (\r | |
| 1835 | (CONST UINT8 **)&TmpPtr,\r | |
| 1836 | (long *)&Asn1Len,\r | |
| 1837 | (int *)&Asn1Tag,\r | |
| 1838 | (int *)&ObjClass,\r | |
| 1839 | (long)(CertChainLength + CertChain - TmpPtr)\r | |
| 1840 | );\r | |
| 1841 | if ((Asn1Tag != V_ASN1_SEQUENCE) || (Ret == 0x80)) {\r | |
| 1842 | break;\r | |
| 1843 | }\r | |
| 1844 | \r | |
| 1845 | //\r | |
| 1846 | // Calculate CurrentCert length;\r | |
| 1847 | //\r | |
| 1848 | CurrentCertLen = TmpPtr - CurrentCert + Asn1Len;\r | |
| 1849 | CurrentIndex++;\r | |
| 1850 | \r | |
| 1851 | if (CurrentIndex == CertIndex) {\r | |
| 1852 | *Cert = CurrentCert;\r | |
| 1853 | *CertLength = CurrentCertLen;\r | |
| 1854 | return TRUE;\r | |
| 1855 | }\r | |
| 1856 | \r | |
| 1857 | //\r | |
| 1858 | // Move to next\r | |
| 1859 | //\r | |
| 1860 | CurrentCert = CurrentCert + CurrentCertLen;\r | |
| 1861 | }\r | |
| 1862 | \r | |
| 1863 | //\r | |
| 1864 | // If CertIndex is -1, Return the last certificate\r | |
| 1865 | //\r | |
| 1866 | if ((CertIndex == -1) && (CurrentIndex >= 0)) {\r | |
| 1867 | *Cert = CurrentCert - CurrentCertLen;\r | |
| 1868 | *CertLength = CurrentCertLen;\r | |
| 1869 | return TRUE;\r | |
| 1870 | }\r | |
| 1871 | \r | |
| 1872 | return FALSE;\r | |
| 1873 | }\r | |
| 1874 | \r | |
| 1875 | /**\r | |
| 1876 | Retrieve the tag and length of the tag.\r | |
| 1877 | \r | |
| 1878 | @param Ptr The position in the ASN.1 data\r | |
| 1879 | @param End End of data\r | |
| 1880 | @param Length The variable that will receive the length\r | |
| 1881 | @param Tag The expected tag\r | |
| 1882 | \r | |
| 1883 | @retval TRUE Get tag successful\r | |
| 1884 | @retval FALSe Failed to get tag or tag not match\r | |
| 1885 | **/\r | |
| 1886 | BOOLEAN\r | |
| 1887 | EFIAPI\r | |
| 1888 | Asn1GetTag (\r | |
| 1889 | IN OUT UINT8 **Ptr,\r | |
| 1890 | IN CONST UINT8 *End,\r | |
| 1891 | OUT UINTN *Length,\r | |
| 1892 | IN UINT32 Tag\r | |
| 1893 | )\r | |
| 1894 | {\r | |
| 1895 | UINT8 *PtrOld;\r | |
| 1896 | INT32 ObjTag;\r | |
| 1897 | INT32 ObjCls;\r | |
| 1898 | long ObjLength;\r | |
| 1899 | \r | |
| 1900 | //\r | |
| 1901 | // Save Ptr position\r | |
| 1902 | //\r | |
| 1903 | PtrOld = *Ptr;\r | |
| 1904 | \r | |
| 1905 | ASN1_get_object ((CONST UINT8 **)Ptr, &ObjLength, &ObjTag, &ObjCls, (INT32)(End - (*Ptr)));\r | |
| 1906 | if ((ObjTag == (INT32)(Tag & CRYPTO_ASN1_TAG_VALUE_MASK)) &&\r | |
| 1907 | (ObjCls == (INT32)(Tag & CRYPTO_ASN1_TAG_CLASS_MASK)))\r | |
| 1908 | {\r | |
| 1909 | *Length = (UINTN)ObjLength;\r | |
| 1910 | return TRUE;\r | |
| 1911 | } else {\r | |
| 1912 | //\r | |
| 1913 | // if doesn't match Tag, restore Ptr to origin Ptr\r | |
| 1914 | //\r | |
| 1915 | *Ptr = PtrOld;\r | |
| 1916 | return FALSE;\r | |
| 1917 | }\r | |
| 1918 | }\r | |
| 1919 | \r | |
| 1920 | /**\r | |
| 1921 | Retrieve the basic constraints from one X.509 certificate.\r | |
| 1922 | \r | |
| 1923 | @param[in] Cert Pointer to the DER-encoded X509 certificate.\r | |
| 1924 | @param[in] CertSize size of the X509 certificate in bytes.\r | |
| 1925 | @param[out] BasicConstraints basic constraints bytes.\r | |
| 1926 | @param[in, out] BasicConstraintsSize basic constraints buffer sizs in bytes.\r | |
| 1927 | \r | |
| 1928 | @retval TRUE The basic constraints retrieve successfully.\r | |
| 1929 | @retval FALSE If cert is NULL.\r | |
| 1930 | If cert_size is NULL.\r | |
| 1931 | If basic_constraints is not NULL and *basic_constraints_size is 0.\r | |
| 1932 | If cert is invalid.\r | |
| 1933 | @retval FALSE The required buffer size is small.\r | |
| 1934 | The return buffer size is basic_constraints_size parameter.\r | |
| 1935 | @retval FALSE If no Extension entry match oid.\r | |
| 1936 | @retval FALSE The operation is not supported.\r | |
| 1937 | **/\r | |
| 1938 | BOOLEAN\r | |
| 1939 | EFIAPI\r | |
| 1940 | X509GetExtendedBasicConstraints (\r | |
| 1941 | CONST UINT8 *Cert,\r | |
| 1942 | UINTN CertSize,\r | |
| 1943 | UINT8 *BasicConstraints,\r | |
| 1944 | UINTN *BasicConstraintsSize\r | |
| 1945 | )\r | |
| 1946 | {\r | |
| 1947 | BOOLEAN Status;\r | |
| 1948 | \r | |
| 1949 | if ((Cert == NULL) || (CertSize == 0) || (BasicConstraintsSize == NULL)) {\r | |
| 1950 | return FALSE;\r | |
| 1951 | }\r | |
| 1952 | \r | |
| 1953 | Status = X509GetExtensionData (\r | |
| 1954 | (UINT8 *)Cert,\r | |
| 1955 | CertSize,\r | |
| 1956 | mOidBasicConstraints,\r | |
| 1957 | sizeof (mOidBasicConstraints),\r | |
| 1958 | BasicConstraints,\r | |
| 1959 | BasicConstraintsSize\r | |
| 1960 | );\r | |
| 1961 | \r | |
| 1962 | return Status;\r | |
| 1963 | }\r |