| File: | root/firefox-clang/obj-x86_64-pc-linux-gnu/security/manager/ssl/./../../../../security/manager/ssl/nsNTLMAuthModule.cpp |
| Warning: | line 862, column 3 Value stored to 'cursor' is never read |
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| 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 4 | |
| 5 | #include "nsNTLMAuthModule.h" |
| 6 | |
| 7 | #include <time.h> |
| 8 | |
| 9 | #include "ScopedNSSTypes.h" |
| 10 | #include "md4.h" |
| 11 | #include "mozilla/Assertions.h" |
| 12 | #include "mozilla/Atomics.h" |
| 13 | #include "mozilla/Base64.h" |
| 14 | #include "mozilla/Casting.h" |
| 15 | #include "mozilla/CheckedInt.h" |
| 16 | #include "mozilla/EndianUtils.h" |
| 17 | #include "mozilla/Likely.h" |
| 18 | #include "mozilla/Logging.h" |
| 19 | #include "mozilla/Sprintf.h" |
| 20 | #include "mozilla/StaticPrefs_network.h" |
| 21 | #include "mozilla/glean/SecurityManagerSslMetrics.h" |
| 22 | #include "nsCOMPtr.h" |
| 23 | #include "nsComponentManagerUtils.h" |
| 24 | #include "nsICryptoHash.h" |
| 25 | #include "nsNativeCharsetUtils.h" |
| 26 | #include "nsNetCID.h" |
| 27 | #include "nsUnicharUtils.h" |
| 28 | #include "pk11pub.h" |
| 29 | #include "prsystem.h" |
| 30 | |
| 31 | static mozilla::LazyLogModule sNTLMLog("NTLM"); |
| 32 | |
| 33 | #define LOG(x)do { const ::mozilla::LogModule* moz_real_module = sNTLMLog; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, MOZ_LOG_EXPAND_ARGS x); } } while (0) MOZ_LOG(sNTLMLog, mozilla::LogLevel::Debug, x)do { const ::mozilla::LogModule* moz_real_module = sNTLMLog; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, MOZ_LOG_EXPAND_ARGS x); } } while (0) |
| 34 | #define LOG_ENABLED()(__builtin_expect(!!(mozilla::detail::log_test(sNTLMLog, mozilla ::LogLevel::Debug)), 0)) MOZ_LOG_TEST(sNTLMLog, mozilla::LogLevel::Debug)(__builtin_expect(!!(mozilla::detail::log_test(sNTLMLog, mozilla ::LogLevel::Debug)), 0)) |
| 35 | |
| 36 | static void des_makekey(const uint8_t* raw, uint8_t* key); |
| 37 | static void des_encrypt(const uint8_t* key, const uint8_t* src, uint8_t* hash); |
| 38 | |
| 39 | //----------------------------------------------------------------------------- |
| 40 | // this file contains a cross-platform NTLM authentication implementation. it |
| 41 | // is based on documentation from: http://davenport.sourceforge.net/ntlm.html |
| 42 | //----------------------------------------------------------------------------- |
| 43 | |
| 44 | #define NTLM_NegotiateUnicode0x00000001 0x00000001 |
| 45 | #define NTLM_NegotiateOEM0x00000002 0x00000002 |
| 46 | #define NTLM_RequestTarget0x00000004 0x00000004 |
| 47 | #define NTLM_Unknown10x00000008 0x00000008 |
| 48 | #define NTLM_NegotiateSign0x00000010 0x00000010 |
| 49 | #define NTLM_NegotiateSeal0x00000020 0x00000020 |
| 50 | #define NTLM_NegotiateDatagramStyle0x00000040 0x00000040 |
| 51 | #define NTLM_NegotiateLanManagerKey0x00000080 0x00000080 |
| 52 | #define NTLM_NegotiateNetware0x00000100 0x00000100 |
| 53 | #define NTLM_NegotiateNTLMKey0x00000200 0x00000200 |
| 54 | #define NTLM_Unknown20x00000400 0x00000400 |
| 55 | #define NTLM_Unknown30x00000800 0x00000800 |
| 56 | #define NTLM_NegotiateDomainSupplied0x00001000 0x00001000 |
| 57 | #define NTLM_NegotiateWorkstationSupplied0x00002000 0x00002000 |
| 58 | #define NTLM_NegotiateLocalCall0x00004000 0x00004000 |
| 59 | #define NTLM_NegotiateAlwaysSign0x00008000 0x00008000 |
| 60 | #define NTLM_TargetTypeDomain0x00010000 0x00010000 |
| 61 | #define NTLM_TargetTypeServer0x00020000 0x00020000 |
| 62 | #define NTLM_TargetTypeShare0x00040000 0x00040000 |
| 63 | #define NTLM_NegotiateNTLM2Key0x00080000 0x00080000 |
| 64 | #define NTLM_RequestInitResponse0x00100000 0x00100000 |
| 65 | #define NTLM_RequestAcceptResponse0x00200000 0x00200000 |
| 66 | #define NTLM_RequestNonNTSessionKey0x00400000 0x00400000 |
| 67 | #define NTLM_NegotiateTargetInfo0x00800000 0x00800000 |
| 68 | #define NTLM_Unknown40x01000000 0x01000000 |
| 69 | #define NTLM_Unknown50x02000000 0x02000000 |
| 70 | #define NTLM_Unknown60x04000000 0x04000000 |
| 71 | #define NTLM_Unknown70x08000000 0x08000000 |
| 72 | #define NTLM_Unknown80x10000000 0x10000000 |
| 73 | #define NTLM_Negotiate1280x20000000 0x20000000 |
| 74 | #define NTLM_NegotiateKeyExchange0x40000000 0x40000000 |
| 75 | #define NTLM_Negotiate560x80000000 0x80000000 |
| 76 | |
| 77 | // we send these flags with our type 1 message |
| 78 | #define NTLM_TYPE1_FLAGS(0x00000001 | 0x00000002 | 0x00000004 | 0x00000200 | 0x00008000 | 0x00080000) \ |
| 79 | (NTLM_NegotiateUnicode0x00000001 | NTLM_NegotiateOEM0x00000002 | NTLM_RequestTarget0x00000004 | \ |
| 80 | NTLM_NegotiateNTLMKey0x00000200 | NTLM_NegotiateAlwaysSign0x00008000 | NTLM_NegotiateNTLM2Key0x00080000) |
| 81 | |
| 82 | static const char NTLM_SIGNATURE[] = "NTLMSSP"; |
| 83 | static const char NTLM_TYPE1_MARKER[] = {0x01, 0x00, 0x00, 0x00}; |
| 84 | static const char NTLM_TYPE2_MARKER[] = {0x02, 0x00, 0x00, 0x00}; |
| 85 | static const char NTLM_TYPE3_MARKER[] = {0x03, 0x00, 0x00, 0x00}; |
| 86 | |
| 87 | #define NTLM_TYPE1_HEADER_LEN32 32 |
| 88 | #define NTLM_TYPE2_HEADER_LEN48 48 |
| 89 | #define NTLM_TYPE3_HEADER_LEN64 64 |
| 90 | |
| 91 | /** |
| 92 | * We don't actually send a LM response, but we still have to send something in |
| 93 | * this spot |
| 94 | */ |
| 95 | #define LM_RESP_LEN24 24 |
| 96 | |
| 97 | #define NTLM_CHAL_LEN8 8 |
| 98 | |
| 99 | #define NTLM_HASH_LEN16 16 |
| 100 | #define NTLMv2_HASH_LEN16 16 |
| 101 | #define NTLM_RESP_LEN24 24 |
| 102 | #define NTLMv2_RESP_LEN16 16 |
| 103 | #define NTLMv2_BLOB1_LEN28 28 |
| 104 | |
| 105 | //----------------------------------------------------------------------------- |
| 106 | |
| 107 | /** |
| 108 | * Prints a description of flags to the NSPR Log, if enabled. |
| 109 | */ |
| 110 | static void LogFlags(uint32_t flags) { |
| 111 | if (!LOG_ENABLED()(__builtin_expect(!!(mozilla::detail::log_test(sNTLMLog, mozilla ::LogLevel::Debug)), 0))) return; |
| 112 | #define TEST(_flag) \ |
| 113 | if (flags & NTLM_##_flag) \ |
| 114 | PR_LogPrint(" 0x%08x (" #_flag ")\n", NTLM_##_flag) |
| 115 | |
| 116 | TEST(NegotiateUnicode); |
| 117 | TEST(NegotiateOEM); |
| 118 | TEST(RequestTarget); |
| 119 | TEST(Unknown1); |
| 120 | TEST(NegotiateSign); |
| 121 | TEST(NegotiateSeal); |
| 122 | TEST(NegotiateDatagramStyle); |
| 123 | TEST(NegotiateLanManagerKey); |
| 124 | TEST(NegotiateNetware); |
| 125 | TEST(NegotiateNTLMKey); |
| 126 | TEST(Unknown2); |
| 127 | TEST(Unknown3); |
| 128 | TEST(NegotiateDomainSupplied); |
| 129 | TEST(NegotiateWorkstationSupplied); |
| 130 | TEST(NegotiateLocalCall); |
| 131 | TEST(NegotiateAlwaysSign); |
| 132 | TEST(TargetTypeDomain); |
| 133 | TEST(TargetTypeServer); |
| 134 | TEST(TargetTypeShare); |
| 135 | TEST(NegotiateNTLM2Key); |
| 136 | TEST(RequestInitResponse); |
| 137 | TEST(RequestAcceptResponse); |
| 138 | TEST(RequestNonNTSessionKey); |
| 139 | TEST(NegotiateTargetInfo); |
| 140 | TEST(Unknown4); |
| 141 | TEST(Unknown5); |
| 142 | TEST(Unknown6); |
| 143 | TEST(Unknown7); |
| 144 | TEST(Unknown8); |
| 145 | TEST(Negotiate128); |
| 146 | TEST(NegotiateKeyExchange); |
| 147 | TEST(Negotiate56); |
| 148 | |
| 149 | #undef TEST |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Prints a hexdump of buf to the NSPR Log, if enabled. |
| 154 | * @param tag Description of the data, will be printed in front of the data |
| 155 | * @param buf the data to print |
| 156 | * @param bufLen length of the data |
| 157 | */ |
| 158 | static void LogBuf(const char* tag, const uint8_t* buf, uint32_t bufLen) { |
| 159 | int i; |
| 160 | |
| 161 | if (!LOG_ENABLED()(__builtin_expect(!!(mozilla::detail::log_test(sNTLMLog, mozilla ::LogLevel::Debug)), 0))) return; |
| 162 | |
| 163 | PR_LogPrint("%s =\n", tag); |
| 164 | char line[80]; |
| 165 | while (bufLen > 0) { |
| 166 | int count = bufLen; |
| 167 | if (count > 8) count = 8; |
| 168 | |
| 169 | strcpy(line, " "); |
| 170 | for (i = 0; i < count; ++i) { |
| 171 | int len = strlen(line); |
| 172 | snprintf(line + len, sizeof(line) - len, "0x%02x ", int(buf[i])); |
| 173 | } |
| 174 | for (; i < 8; ++i) { |
| 175 | int len = strlen(line); |
| 176 | snprintf(line + len, sizeof(line) - len, " "); |
| 177 | } |
| 178 | |
| 179 | int len = strlen(line); |
| 180 | snprintf(line + len, sizeof(line) - len, " "); |
| 181 | for (i = 0; i < count; ++i) { |
| 182 | len = strlen(line); |
| 183 | if (isprint(buf[i])) { |
| 184 | snprintf(line + len, sizeof(line) - len, "%c", buf[i]); |
| 185 | } else { |
| 186 | snprintf(line + len, sizeof(line) - len, "."); |
| 187 | } |
| 188 | } |
| 189 | PR_LogPrint("%s\n", line); |
| 190 | |
| 191 | bufLen -= count; |
| 192 | buf += count; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Print base64-encoded token to the NSPR Log. |
| 198 | * @param name Description of the token, will be printed in front |
| 199 | * @param token The token to print |
| 200 | * @param tokenLen length of the data in token |
| 201 | */ |
| 202 | static void LogToken(const char* name, const void* token, uint32_t tokenLen) { |
| 203 | if (!LOG_ENABLED()(__builtin_expect(!!(mozilla::detail::log_test(sNTLMLog, mozilla ::LogLevel::Debug)), 0))) { |
| 204 | return; |
| 205 | } |
| 206 | |
| 207 | nsDependentCSubstring tokenString(static_cast<const char*>(token), tokenLen); |
| 208 | nsAutoCString base64Token; |
| 209 | nsresult rv = mozilla::Base64Encode(tokenString, base64Token); |
| 210 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 211 | return; |
| 212 | } |
| 213 | |
| 214 | PR_LogPrint("%s: %s\n", name, base64Token.get()); |
| 215 | } |
| 216 | |
| 217 | //----------------------------------------------------------------------------- |
| 218 | |
| 219 | // byte order swapping |
| 220 | #define SWAP16(x)((((x) & 0xff) << 8) | (((x) >> 8) & 0xff )) ((((x) & 0xff) << 8) | (((x) >> 8) & 0xff)) |
| 221 | #define SWAP32(x)(((((((x) & 0xffff) & 0xff) << 8) | ((((x) & 0xffff) >> 8) & 0xff)) << 16) | ((((((x) >> 16) & 0xff) << 8) | ((((x) >> 16) >> 8 ) & 0xff)))) ((SWAP16((x) & 0xffff)(((((x) & 0xffff) & 0xff) << 8) | ((((x) & 0xffff ) >> 8) & 0xff)) << 16) | (SWAP16((x) >> 16)(((((x) >> 16) & 0xff) << 8) | ((((x) >> 16) >> 8) & 0xff)))) |
| 222 | |
| 223 | static void* WriteBytes(void* buf, const void* data, uint32_t dataLen) { |
| 224 | memcpy(buf, data, dataLen); |
| 225 | return (uint8_t*)buf + dataLen; |
| 226 | } |
| 227 | |
| 228 | static void* WriteDWORD(void* buf, uint32_t dword) { |
| 229 | #ifdef IS_BIG_ENDIAN |
| 230 | // NTLM uses little endian on the wire |
| 231 | dword = SWAP32(dword)(((((((dword) & 0xffff) & 0xff) << 8) | ((((dword ) & 0xffff) >> 8) & 0xff)) << 16) | ((((( (dword) >> 16) & 0xff) << 8) | ((((dword) >> 16) >> 8) & 0xff)))); |
| 232 | #endif |
| 233 | return WriteBytes(buf, &dword, sizeof(dword)); |
| 234 | } |
| 235 | |
| 236 | static void* WriteSecBuf(void* buf, uint16_t length, uint32_t offset) { |
| 237 | #ifdef IS_BIG_ENDIAN |
| 238 | length = SWAP16(length)((((length) & 0xff) << 8) | (((length) >> 8) & 0xff)); |
| 239 | offset = SWAP32(offset)(((((((offset) & 0xffff) & 0xff) << 8) | ((((offset ) & 0xffff) >> 8) & 0xff)) << 16) | ((((( (offset) >> 16) & 0xff) << 8) | ((((offset) >> 16) >> 8) & 0xff)))); |
| 240 | #endif |
| 241 | buf = WriteBytes(buf, &length, sizeof(length)); |
| 242 | buf = WriteBytes(buf, &length, sizeof(length)); |
| 243 | buf = WriteBytes(buf, &offset, sizeof(offset)); |
| 244 | return buf; |
| 245 | } |
| 246 | |
| 247 | #ifdef IS_BIG_ENDIAN |
| 248 | /** |
| 249 | * WriteUnicodeLE copies a unicode string from one buffer to another. The |
| 250 | * resulting unicode string is in little-endian format. The input string is |
| 251 | * assumed to be in the native endianness of the local machine. It is safe |
| 252 | * to pass the same buffer as both input and output, which is a handy way to |
| 253 | * convert the unicode buffer to little-endian on big-endian platforms. |
| 254 | */ |
| 255 | static void* WriteUnicodeLE(void* buf, const char16_t* str, uint32_t strLen) { |
| 256 | // convert input string from BE to LE |
| 257 | uint8_t *cursor = (uint8_t*)buf, *input = (uint8_t*)str; |
| 258 | for (uint32_t i = 0; i < strLen; ++i, input += 2, cursor += 2) { |
| 259 | // allow for the case where |buf == str| |
| 260 | uint8_t temp = input[0]; |
| 261 | cursor[0] = input[1]; |
| 262 | cursor[1] = temp; |
| 263 | } |
| 264 | return buf; |
| 265 | } |
| 266 | #endif |
| 267 | |
| 268 | static uint16_t ReadUint16(const uint8_t*& buf) { |
| 269 | uint16_t x = ((uint16_t)buf[0]) | ((uint16_t)buf[1] << 8); |
| 270 | buf += sizeof(x); |
| 271 | return x; |
| 272 | } |
| 273 | |
| 274 | static uint32_t ReadUint32(const uint8_t*& buf) { |
| 275 | uint32_t x = ((uint32_t)buf[0]) | (((uint32_t)buf[1]) << 8) | |
| 276 | (((uint32_t)buf[2]) << 16) | (((uint32_t)buf[3]) << 24); |
| 277 | buf += sizeof(x); |
| 278 | return x; |
| 279 | } |
| 280 | |
| 281 | //----------------------------------------------------------------------------- |
| 282 | |
| 283 | static void ZapBuf(void* buf, size_t bufLen) { memset(buf, 0, bufLen); } |
| 284 | |
| 285 | static void ZapString(nsString& s) { ZapBuf(s.BeginWriting(), s.Length() * 2); } |
| 286 | |
| 287 | /** |
| 288 | * NTLM_Hash computes the NTLM hash of the given password. |
| 289 | * |
| 290 | * @param password |
| 291 | * null-terminated unicode password. |
| 292 | * @param hash |
| 293 | * 16-byte result buffer |
| 294 | */ |
| 295 | static void NTLM_Hash(const nsString& password, unsigned char* hash) { |
| 296 | uint32_t len = password.Length(); |
| 297 | uint8_t* passbuf; |
| 298 | |
| 299 | #ifdef IS_BIG_ENDIAN |
| 300 | passbuf = (uint8_t*)malloc(len * 2); |
| 301 | WriteUnicodeLE(passbuf, password.get(), len); |
| 302 | #else |
| 303 | passbuf = (uint8_t*)password.get(); |
| 304 | #endif |
| 305 | |
| 306 | md4sum(passbuf, len * 2, hash); |
| 307 | |
| 308 | #ifdef IS_BIG_ENDIAN |
| 309 | ZapBuf(passbuf, len * 2); |
| 310 | free(passbuf); |
| 311 | #endif |
| 312 | } |
| 313 | |
| 314 | //----------------------------------------------------------------------------- |
| 315 | |
| 316 | /** |
| 317 | * LM_Response generates the LM response given a 16-byte password hash and the |
| 318 | * challenge from the Type-2 message. |
| 319 | * |
| 320 | * @param hash |
| 321 | * 16-byte password hash |
| 322 | * @param challenge |
| 323 | * 8-byte challenge from Type-2 message |
| 324 | * @param response |
| 325 | * 24-byte buffer to contain the LM response upon return |
| 326 | */ |
| 327 | static void LM_Response(const uint8_t* hash, const uint8_t* challenge, |
| 328 | uint8_t* response) { |
| 329 | uint8_t keybytes[21], k1[8], k2[8], k3[8]; |
| 330 | |
| 331 | memcpy(keybytes, hash, 16); |
| 332 | ZapBuf(keybytes + 16, 5); |
| 333 | |
| 334 | des_makekey(keybytes, k1); |
| 335 | des_makekey(keybytes + 7, k2); |
| 336 | des_makekey(keybytes + 14, k3); |
| 337 | |
| 338 | des_encrypt(k1, challenge, response); |
| 339 | des_encrypt(k2, challenge, response + 8); |
| 340 | des_encrypt(k3, challenge, response + 16); |
| 341 | } |
| 342 | |
| 343 | //----------------------------------------------------------------------------- |
| 344 | |
| 345 | static nsresult GenerateType1Msg(void** outBuf, uint32_t* outLen) { |
| 346 | // |
| 347 | // verify that bufLen is sufficient |
| 348 | // |
| 349 | *outLen = NTLM_TYPE1_HEADER_LEN32; |
| 350 | *outBuf = moz_xmalloc(*outLen); |
| 351 | |
| 352 | // |
| 353 | // write out type 1 msg |
| 354 | // |
| 355 | void* cursor = *outBuf; |
| 356 | |
| 357 | // 0 : signature |
| 358 | cursor = WriteBytes(cursor, NTLM_SIGNATURE, sizeof(NTLM_SIGNATURE)); |
| 359 | |
| 360 | // 8 : marker |
| 361 | cursor = WriteBytes(cursor, NTLM_TYPE1_MARKER, sizeof(NTLM_TYPE1_MARKER)); |
| 362 | |
| 363 | // 12 : flags |
| 364 | cursor = WriteDWORD(cursor, NTLM_TYPE1_FLAGS(0x00000001 | 0x00000002 | 0x00000004 | 0x00000200 | 0x00008000 | 0x00080000)); |
| 365 | |
| 366 | // |
| 367 | // NOTE: it is common for the domain and workstation fields to be empty. |
| 368 | // this is true of Win2k clients, and my guess is that there is |
| 369 | // little utility to sending these strings before the charset has |
| 370 | // been negotiated. we follow suite -- anyways, it doesn't hurt |
| 371 | // to save some bytes on the wire ;-) |
| 372 | // |
| 373 | |
| 374 | // 16 : supplied domain security buffer (empty) |
| 375 | cursor = WriteSecBuf(cursor, 0, 0); |
| 376 | |
| 377 | // 24 : supplied workstation security buffer (empty) |
| 378 | cursor = WriteSecBuf(cursor, 0, 0); |
| 379 | |
| 380 | return NS_OK; |
| 381 | } |
| 382 | |
| 383 | struct Type2Msg { |
| 384 | uint32_t flags; // NTLM_Xxx bitwise combination |
| 385 | uint8_t challenge[NTLM_CHAL_LEN8]; // 8 byte challenge |
| 386 | const uint8_t* target; // target string (type depends on flags) |
| 387 | uint32_t targetLen; // target length in bytes |
| 388 | const uint8_t* |
| 389 | targetInfo; // target Attribute-Value pairs (DNS domain, et al) |
| 390 | uint32_t targetInfoLen; // target AV pairs length in bytes |
| 391 | }; |
| 392 | |
| 393 | static nsresult ParseType2Msg(const void* inBuf, uint32_t inLen, |
| 394 | Type2Msg* msg) { |
| 395 | // make sure inBuf is long enough to contain a meaningful type2 msg. |
| 396 | // |
| 397 | // 0 NTLMSSP Signature |
| 398 | // 8 NTLM Message Type |
| 399 | // 12 Target Name |
| 400 | // 20 Flags |
| 401 | // 24 Challenge |
| 402 | // 32 targetInfo |
| 403 | // 48 start of optional data blocks |
| 404 | // |
| 405 | if (inLen < NTLM_TYPE2_HEADER_LEN48) return NS_ERROR_UNEXPECTED; |
| 406 | |
| 407 | const auto* cursor = static_cast<const uint8_t*>(inBuf); |
| 408 | |
| 409 | // verify NTLMSSP signature |
| 410 | if (memcmp(cursor, NTLM_SIGNATURE, sizeof(NTLM_SIGNATURE)) != 0) { |
| 411 | return NS_ERROR_UNEXPECTED; |
| 412 | } |
| 413 | |
| 414 | cursor += sizeof(NTLM_SIGNATURE); |
| 415 | |
| 416 | // verify Type-2 marker |
| 417 | if (memcmp(cursor, NTLM_TYPE2_MARKER, sizeof(NTLM_TYPE2_MARKER)) != 0) { |
| 418 | return NS_ERROR_UNEXPECTED; |
| 419 | } |
| 420 | |
| 421 | cursor += sizeof(NTLM_TYPE2_MARKER); |
| 422 | |
| 423 | // Read target name security buffer: ... |
| 424 | // ... read target length. |
| 425 | uint32_t targetLen = ReadUint16(cursor); |
| 426 | // ... skip next 16-bit "allocated space" value. |
| 427 | ReadUint16(cursor); |
| 428 | // ... read offset from inBuf. |
| 429 | uint32_t offset = ReadUint32(cursor); |
| 430 | mozilla::CheckedInt<uint32_t> targetEnd = offset; |
| 431 | targetEnd += targetLen; |
| 432 | // Check the offset / length combo is in range of the input buffer, including |
| 433 | // integer overflow checking. |
| 434 | if (MOZ_LIKELY(targetEnd.isValid() && targetEnd.value() <= inLen)(__builtin_expect(!!(targetEnd.isValid() && targetEnd .value() <= inLen), 1))) { |
| 435 | msg->targetLen = targetLen; |
| 436 | msg->target = static_cast<const uint8_t*>(inBuf) + offset; |
| 437 | } else { |
| 438 | // Do not error out, for (conservative) backward compatibility. |
| 439 | msg->targetLen = 0; |
| 440 | msg->target = nullptr; |
| 441 | } |
| 442 | |
| 443 | // read flags |
| 444 | msg->flags = ReadUint32(cursor); |
| 445 | |
| 446 | // read challenge |
| 447 | memcpy(msg->challenge, cursor, sizeof(msg->challenge)); |
| 448 | cursor += sizeof(msg->challenge); |
| 449 | |
| 450 | LOG(("NTLM type 2 message:\n"))do { const ::mozilla::LogModule* moz_real_module = sNTLMLog; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, "NTLM type 2 message:\n" ); } } while (0); |
| 451 | LogBuf("target", msg->target, msg->targetLen); |
| 452 | LogBuf("flags", |
| 453 | mozilla::BitwiseCast<const uint8_t*, const uint32_t*>(&msg->flags), 4); |
| 454 | LogFlags(msg->flags); |
| 455 | LogBuf("challenge", msg->challenge, sizeof(msg->challenge)); |
| 456 | |
| 457 | // Read (and skip) the reserved field |
| 458 | ReadUint32(cursor); |
| 459 | ReadUint32(cursor); |
| 460 | // Read target name security buffer: ... |
| 461 | // ... read target length. |
| 462 | uint32_t targetInfoLen = ReadUint16(cursor); |
| 463 | // ... skip next 16-bit "allocated space" value. |
| 464 | ReadUint16(cursor); |
| 465 | // ... read offset from inBuf. |
| 466 | offset = ReadUint32(cursor); |
| 467 | mozilla::CheckedInt<uint32_t> targetInfoEnd = offset; |
| 468 | targetInfoEnd += targetInfoLen; |
| 469 | // Check the offset / length combo is in range of the input buffer, including |
| 470 | // integer overflow checking. |
| 471 | if (MOZ_LIKELY(targetInfoEnd.isValid() && targetInfoEnd.value() <= inLen)(__builtin_expect(!!(targetInfoEnd.isValid() && targetInfoEnd .value() <= inLen), 1))) { |
| 472 | msg->targetInfoLen = targetInfoLen; |
| 473 | msg->targetInfo = static_cast<const uint8_t*>(inBuf) + offset; |
| 474 | } else { |
| 475 | NS_ERROR("failed to get NTLMv2 target info")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "failed to get NTLMv2 target info" , "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 475); MOZ_PretendNoReturn(); } while (0); |
| 476 | return NS_ERROR_UNEXPECTED; |
| 477 | } |
| 478 | |
| 479 | return NS_OK; |
| 480 | } |
| 481 | |
| 482 | static nsresult GenerateType3Msg(const nsString& domain, |
| 483 | const nsString& username, |
| 484 | const nsString& password, const void* inBuf, |
| 485 | uint32_t inLen, void** outBuf, |
| 486 | uint32_t* outLen) { |
| 487 | // inBuf contains Type-2 msg (the challenge) from server |
| 488 | nsresult rv; |
| 489 | Type2Msg msg{}; |
| 490 | |
| 491 | rv = ParseType2Msg(inBuf, inLen, &msg); |
| 492 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) return rv; |
| 493 | |
| 494 | bool unicode = (msg.flags & NTLM_NegotiateUnicode0x00000001); |
| 495 | |
| 496 | // There is no negotiation for NTLMv2, so we just do it unless we are forced |
| 497 | // by explict user configuration to use the older DES-based cryptography. |
| 498 | bool ntlmv2 = !mozilla::StaticPrefs::network_auth_force_generic_ntlm_v1(); |
| 499 | |
| 500 | // temporary buffers for unicode strings |
| 501 | #ifdef IS_BIG_ENDIAN |
| 502 | nsAutoString ucsDomainBuf, ucsUserBuf; |
| 503 | #endif |
| 504 | nsAutoCString hostBuf; |
| 505 | nsAutoString ucsHostBuf; |
| 506 | // temporary buffers for oem strings |
| 507 | nsAutoCString oemDomainBuf, oemUserBuf, oemHostBuf; |
| 508 | // pointers and lengths for the string buffers; encoding is unicode if |
| 509 | // the "negotiate unicode" flag was set in the Type-2 message. |
| 510 | const void *domainPtr, *userPtr, *hostPtr; |
| 511 | uint32_t domainLen, userLen, hostLen; |
| 512 | |
| 513 | // This is for NTLM, for NTLMv2 we set the new full length once we know it |
| 514 | mozilla::CheckedInt<uint16_t> ntlmRespLen = NTLM_RESP_LEN24; |
| 515 | |
| 516 | // |
| 517 | // get domain name |
| 518 | // |
| 519 | if (unicode) { |
| 520 | #ifdef IS_BIG_ENDIAN |
| 521 | ucsDomainBuf = domain; |
| 522 | domainPtr = ucsDomainBuf.get(); |
| 523 | domainLen = ucsDomainBuf.Length() * 2; |
| 524 | WriteUnicodeLE(const_cast<void*>(domainPtr), |
| 525 | static_cast<const char16_t*>(domainPtr), |
| 526 | ucsDomainBuf.Length()); |
| 527 | #else |
| 528 | domainPtr = domain.get(); |
| 529 | domainLen = domain.Length() * 2; |
| 530 | #endif |
| 531 | } else { |
| 532 | NS_CopyUnicodeToNative(domain, oemDomainBuf); |
| 533 | domainPtr = oemDomainBuf.get(); |
| 534 | domainLen = oemDomainBuf.Length(); |
| 535 | } |
| 536 | |
| 537 | // |
| 538 | // get user name |
| 539 | // |
| 540 | if (unicode) { |
| 541 | #ifdef IS_BIG_ENDIAN |
| 542 | ucsUserBuf = username; |
| 543 | userPtr = ucsUserBuf.get(); |
| 544 | userLen = ucsUserBuf.Length() * 2; |
| 545 | WriteUnicodeLE(const_cast<void*>(userPtr), |
| 546 | static_cast<const char16_t*>(userPtr), ucsUserBuf.Length()); |
| 547 | #else |
| 548 | userPtr = username.get(); |
| 549 | userLen = username.Length() * 2; |
| 550 | #endif |
| 551 | } else { |
| 552 | NS_CopyUnicodeToNative(username, oemUserBuf); |
| 553 | userPtr = oemUserBuf.get(); |
| 554 | userLen = oemUserBuf.Length(); |
| 555 | } |
| 556 | |
| 557 | // |
| 558 | // get workstation name |
| 559 | // (do not use local machine's hostname after bug 1046421) |
| 560 | // |
| 561 | { |
| 562 | const auto prefLock = |
| 563 | mozilla::StaticPrefs::network_generic_ntlm_auth_workstation(); |
| 564 | hostBuf = *prefLock; |
| 565 | } |
| 566 | |
| 567 | if (unicode) { |
| 568 | CopyUTF8toUTF16(hostBuf, ucsHostBuf); |
| 569 | hostPtr = ucsHostBuf.get(); |
| 570 | hostLen = ucsHostBuf.Length() * 2; |
| 571 | #ifdef IS_BIG_ENDIAN |
| 572 | WriteUnicodeLE(const_cast<void*>(hostPtr), |
| 573 | static_cast<const char16_t*>(hostPtr), ucsHostBuf.Length()); |
| 574 | #endif |
| 575 | } else { |
| 576 | hostPtr = hostBuf.get(); |
| 577 | hostLen = hostBuf.Length(); |
| 578 | } |
| 579 | |
| 580 | // |
| 581 | // now that we have generated all of the strings, we can allocate outBuf. |
| 582 | // |
| 583 | // |
| 584 | // next, we compute the NTLM or NTLM2 responses. |
| 585 | // |
| 586 | uint8_t lmResp[LM_RESP_LEN24]; |
| 587 | uint8_t ntlmResp[NTLM_RESP_LEN24]; |
| 588 | uint8_t ntlmv2Resp[NTLMv2_RESP_LEN16]; |
| 589 | uint8_t ntlmHash[NTLM_HASH_LEN16]; |
| 590 | uint8_t ntlmv2_blob1[NTLMv2_BLOB1_LEN28]; |
| 591 | if (ntlmv2) { |
| 592 | // NTLMv2 mode, the default |
| 593 | nsString userUpper, domainUpper; |
| 594 | |
| 595 | // temporary buffers for unicode strings |
| 596 | nsAutoString ucsDomainUpperBuf; |
| 597 | nsAutoString ucsUserUpperBuf; |
| 598 | const void* domainUpperPtr; |
| 599 | const void* userUpperPtr; |
| 600 | uint32_t domainUpperLen; |
| 601 | uint32_t userUpperLen; |
| 602 | |
| 603 | if (msg.targetInfoLen == 0) { |
| 604 | NS_ERROR("failed to get NTLMv2 target info, can not do NTLMv2")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "failed to get NTLMv2 target info, can not do NTLMv2" , "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 604); MOZ_PretendNoReturn(); } while (0); |
| 605 | return NS_ERROR_UNEXPECTED; |
| 606 | } |
| 607 | |
| 608 | ToUpperCase(username, ucsUserUpperBuf); |
| 609 | userUpperPtr = ucsUserUpperBuf.get(); |
| 610 | userUpperLen = ucsUserUpperBuf.Length() * 2; |
| 611 | #ifdef IS_BIG_ENDIAN |
| 612 | WriteUnicodeLE(const_cast<void*>(userUpperPtr), |
| 613 | static_cast<const char16_t*>(userUpperPtr), |
| 614 | ucsUserUpperBuf.Length()); |
| 615 | #endif |
| 616 | ToUpperCase(domain, ucsDomainUpperBuf); |
| 617 | domainUpperPtr = ucsDomainUpperBuf.get(); |
| 618 | domainUpperLen = ucsDomainUpperBuf.Length() * 2; |
| 619 | #ifdef IS_BIG_ENDIAN |
| 620 | WriteUnicodeLE(const_cast<void*>(domainUpperPtr), |
| 621 | static_cast<const char16_t*>(domainUpperPtr), |
| 622 | ucsDomainUpperBuf.Length()); |
| 623 | #endif |
| 624 | |
| 625 | NTLM_Hash(password, ntlmHash); |
| 626 | |
| 627 | mozilla::HMAC ntlmv2HashHmac; |
| 628 | rv = ntlmv2HashHmac.Begin(SEC_OID_MD5, |
| 629 | mozilla::Span(ntlmHash, NTLM_HASH_LEN16)); |
| 630 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 631 | return rv; |
| 632 | } |
| 633 | rv = ntlmv2HashHmac.Update(static_cast<const uint8_t*>(userUpperPtr), |
| 634 | userUpperLen); |
| 635 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 636 | return rv; |
| 637 | } |
| 638 | rv = ntlmv2HashHmac.Update(static_cast<const uint8_t*>(domainUpperPtr), |
| 639 | domainUpperLen); |
| 640 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 641 | return rv; |
| 642 | } |
| 643 | nsTArray<uint8_t> ntlmv2Hash; |
| 644 | rv = ntlmv2HashHmac.End(ntlmv2Hash); |
| 645 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 646 | return rv; |
| 647 | } |
| 648 | |
| 649 | uint8_t client_random[NTLM_CHAL_LEN8]; |
| 650 | PK11_GenerateRandom(client_random, NTLM_CHAL_LEN8); |
| 651 | |
| 652 | mozilla::HMAC lmv2ResponseHmac; |
| 653 | rv = lmv2ResponseHmac.Begin(SEC_OID_MD5, mozilla::Span(ntlmv2Hash)); |
| 654 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 655 | return rv; |
| 656 | } |
| 657 | rv = lmv2ResponseHmac.Update(msg.challenge, NTLM_CHAL_LEN8); |
| 658 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 659 | return rv; |
| 660 | } |
| 661 | rv = lmv2ResponseHmac.Update(client_random, NTLM_CHAL_LEN8); |
| 662 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 663 | return rv; |
| 664 | } |
| 665 | nsTArray<uint8_t> lmv2Response; |
| 666 | rv = lmv2ResponseHmac.End(lmv2Response); |
| 667 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 668 | return rv; |
| 669 | } |
| 670 | |
| 671 | if (lmv2Response.Length() != NTLMv2_HASH_LEN16) { |
| 672 | return NS_ERROR_UNEXPECTED; |
| 673 | } |
| 674 | |
| 675 | memcpy(lmResp, lmv2Response.Elements(), NTLMv2_HASH_LEN16); |
| 676 | memcpy(lmResp + NTLMv2_HASH_LEN16, client_random, NTLM_CHAL_LEN8); |
| 677 | |
| 678 | memset(ntlmv2_blob1, 0, NTLMv2_BLOB1_LEN28); |
| 679 | |
| 680 | time_t unix_time; |
| 681 | uint64_t nt_time = time(&unix_time); |
| 682 | nt_time += 11644473600LL; // Number of seconds betwen 1601 and 1970 |
| 683 | nt_time *= 1000 * 1000 * 10; // Convert seconds to 100 ns units |
| 684 | |
| 685 | ntlmv2_blob1[0] = 1; |
| 686 | ntlmv2_blob1[1] = 1; |
| 687 | mozilla::LittleEndian::writeUint64(&ntlmv2_blob1[8], nt_time); |
| 688 | PK11_GenerateRandom(&ntlmv2_blob1[16], NTLM_CHAL_LEN8); |
| 689 | |
| 690 | mozilla::HMAC ntlmv2ResponseHmac; |
| 691 | rv = ntlmv2ResponseHmac.Begin(SEC_OID_MD5, mozilla::Span(ntlmv2Hash)); |
| 692 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 693 | return rv; |
| 694 | } |
| 695 | rv = ntlmv2ResponseHmac.Update(msg.challenge, NTLM_CHAL_LEN8); |
| 696 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 697 | return rv; |
| 698 | } |
| 699 | rv = ntlmv2ResponseHmac.Update(ntlmv2_blob1, NTLMv2_BLOB1_LEN28); |
| 700 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 701 | return rv; |
| 702 | } |
| 703 | rv = ntlmv2ResponseHmac.Update(msg.targetInfo, msg.targetInfoLen); |
| 704 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 705 | return rv; |
| 706 | } |
| 707 | nsTArray<uint8_t> ntlmv2Response; |
| 708 | rv = ntlmv2ResponseHmac.End(ntlmv2Response); |
| 709 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 710 | return rv; |
| 711 | } |
| 712 | |
| 713 | if (ntlmv2Response.Length() != NTLMv2_RESP_LEN16) { |
| 714 | return NS_ERROR_UNEXPECTED; |
| 715 | } |
| 716 | |
| 717 | memcpy(ntlmv2Resp, ntlmv2Response.Elements(), NTLMv2_RESP_LEN16); |
| 718 | ntlmRespLen = NTLMv2_RESP_LEN16 + NTLMv2_BLOB1_LEN28; |
| 719 | ntlmRespLen += msg.targetInfoLen; |
| 720 | if (!ntlmRespLen.isValid()) { |
| 721 | NS_ERROR("failed to do NTLMv2: integer overflow?!?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "failed to do NTLMv2: integer overflow?!?" , "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 721); MOZ_PretendNoReturn(); } while (0); |
| 722 | return NS_ERROR_UNEXPECTED; |
| 723 | } |
| 724 | } else if (msg.flags & NTLM_NegotiateNTLM2Key0x00080000) { |
| 725 | // compute NTLM2 session response |
| 726 | nsCString sessionHashString; |
| 727 | |
| 728 | PK11_GenerateRandom(lmResp, NTLM_CHAL_LEN8); |
| 729 | memset(lmResp + NTLM_CHAL_LEN8, 0, LM_RESP_LEN24 - NTLM_CHAL_LEN8); |
| 730 | |
| 731 | nsCOMPtr<nsICryptoHash> hasher = |
| 732 | do_CreateInstance(NS_CRYPTO_HASH_CONTRACTID"@mozilla.org/security/hash;1", &rv); |
| 733 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 734 | return rv; |
| 735 | } |
| 736 | rv = hasher->Init(nsICryptoHash::MD5); |
| 737 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 738 | return rv; |
| 739 | } |
| 740 | rv = hasher->Update(msg.challenge, NTLM_CHAL_LEN8); |
| 741 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 742 | return rv; |
| 743 | } |
| 744 | rv = hasher->Update(lmResp, NTLM_CHAL_LEN8); |
| 745 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 746 | return rv; |
| 747 | } |
| 748 | rv = hasher->Finish(false, sessionHashString); |
| 749 | if (NS_FAILED(rv)((bool)(__builtin_expect(!!(NS_FAILED_impl(rv)), 0)))) { |
| 750 | return rv; |
| 751 | } |
| 752 | |
| 753 | const auto* sessionHash = mozilla::BitwiseCast<const uint8_t*, const char*>( |
| 754 | sessionHashString.get()); |
| 755 | |
| 756 | LogBuf("NTLM2 effective key: ", sessionHash, 8); |
| 757 | |
| 758 | NTLM_Hash(password, ntlmHash); |
| 759 | LM_Response(ntlmHash, sessionHash, ntlmResp); |
| 760 | } else { |
| 761 | NTLM_Hash(password, ntlmHash); |
| 762 | LM_Response(ntlmHash, msg.challenge, ntlmResp); |
| 763 | |
| 764 | // According to http://davenport.sourceforge.net/ntlm.html#ntlmVersion2, |
| 765 | // the correct way to not send the LM hash is to send the NTLM hash twice |
| 766 | // in both the LM and NTLM response fields. |
| 767 | LM_Response(ntlmHash, msg.challenge, lmResp); |
| 768 | } |
| 769 | |
| 770 | mozilla::CheckedInt<uint32_t> totalLen = NTLM_TYPE3_HEADER_LEN64 + LM_RESP_LEN24; |
| 771 | totalLen += hostLen; |
| 772 | totalLen += domainLen; |
| 773 | totalLen += userLen; |
| 774 | totalLen += ntlmRespLen.value(); |
| 775 | |
| 776 | if (!totalLen.isValid()) { |
| 777 | NS_ERROR("failed preparing to allocate NTLM response: integer overflow?!?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "failed preparing to allocate NTLM response: integer overflow?!?" , "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 777); MOZ_PretendNoReturn(); } while (0); |
| 778 | return NS_ERROR_FAILURE; |
| 779 | } |
| 780 | *outBuf = moz_xmalloc(totalLen.value()); |
| 781 | *outLen = totalLen.value(); |
| 782 | |
| 783 | // |
| 784 | // finally, we assemble the Type-3 msg :-) |
| 785 | // |
| 786 | void* cursor = *outBuf; |
| 787 | mozilla::CheckedInt<uint32_t> offset; |
| 788 | |
| 789 | // 0 : signature |
| 790 | cursor = WriteBytes(cursor, NTLM_SIGNATURE, sizeof(NTLM_SIGNATURE)); |
| 791 | |
| 792 | // 8 : marker |
| 793 | cursor = WriteBytes(cursor, NTLM_TYPE3_MARKER, sizeof(NTLM_TYPE3_MARKER)); |
| 794 | |
| 795 | // 12 : LM response sec buf |
| 796 | offset = NTLM_TYPE3_HEADER_LEN64; |
| 797 | offset += domainLen; |
| 798 | offset += userLen; |
| 799 | offset += hostLen; |
| 800 | if (!offset.isValid()) { |
| 801 | NS_ERROR("failed preparing to write NTLM response: integer overflow?!?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "failed preparing to write NTLM response: integer overflow?!?" , "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 801); MOZ_PretendNoReturn(); } while (0); |
| 802 | return NS_ERROR_UNEXPECTED; |
| 803 | } |
| 804 | cursor = WriteSecBuf(cursor, LM_RESP_LEN24, offset.value()); |
| 805 | memcpy(static_cast<uint8_t*>(*outBuf) + offset.value(), lmResp, LM_RESP_LEN24); |
| 806 | |
| 807 | // 20 : NTLM or NTLMv2 response sec buf |
| 808 | offset += LM_RESP_LEN24; |
| 809 | if (!offset.isValid()) { |
| 810 | NS_ERROR("failed preparing to write NTLM response: integer overflow?!?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "failed preparing to write NTLM response: integer overflow?!?" , "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 810); MOZ_PretendNoReturn(); } while (0); |
| 811 | return NS_ERROR_UNEXPECTED; |
| 812 | } |
| 813 | cursor = WriteSecBuf(cursor, ntlmRespLen.value(), offset.value()); |
| 814 | if (ntlmv2) { |
| 815 | memcpy(static_cast<uint8_t*>(*outBuf) + offset.value(), ntlmv2Resp, |
| 816 | NTLMv2_RESP_LEN16); |
| 817 | offset += NTLMv2_RESP_LEN16; |
| 818 | if (!offset.isValid()) { |
| 819 | NS_ERROR("failed preparing to write NTLM response: integer overflow?!?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "failed preparing to write NTLM response: integer overflow?!?" , "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 819); MOZ_PretendNoReturn(); } while (0); |
| 820 | return NS_ERROR_UNEXPECTED; |
| 821 | } |
| 822 | memcpy(static_cast<uint8_t*>(*outBuf) + offset.value(), ntlmv2_blob1, |
| 823 | NTLMv2_BLOB1_LEN28); |
| 824 | offset += NTLMv2_BLOB1_LEN28; |
| 825 | if (!offset.isValid()) { |
| 826 | NS_ERROR("failed preparing to write NTLM response: integer overflow?!?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "failed preparing to write NTLM response: integer overflow?!?" , "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 826); MOZ_PretendNoReturn(); } while (0); |
| 827 | return NS_ERROR_UNEXPECTED; |
| 828 | } |
| 829 | memcpy(static_cast<uint8_t*>(*outBuf) + offset.value(), msg.targetInfo, |
| 830 | msg.targetInfoLen); |
| 831 | } else { |
| 832 | memcpy(static_cast<uint8_t*>(*outBuf) + offset.value(), ntlmResp, |
| 833 | NTLM_RESP_LEN24); |
| 834 | } |
| 835 | // 28 : domain name sec buf |
| 836 | offset = NTLM_TYPE3_HEADER_LEN64; |
| 837 | cursor = WriteSecBuf(cursor, domainLen, offset.value()); |
| 838 | memcpy(static_cast<uint8_t*>(*outBuf) + offset.value(), domainPtr, domainLen); |
| 839 | |
| 840 | // 36 : user name sec buf |
| 841 | offset += domainLen; |
| 842 | if (!offset.isValid()) { |
| 843 | NS_ERROR("failed preparing to write NTLM response: integer overflow?!?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "failed preparing to write NTLM response: integer overflow?!?" , "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 843); MOZ_PretendNoReturn(); } while (0); |
| 844 | return NS_ERROR_UNEXPECTED; |
| 845 | } |
| 846 | cursor = WriteSecBuf(cursor, userLen, offset.value()); |
| 847 | memcpy(static_cast<uint8_t*>(*outBuf) + offset.value(), userPtr, userLen); |
| 848 | |
| 849 | // 44 : workstation (host) name sec buf |
| 850 | offset += userLen; |
| 851 | if (!offset.isValid()) { |
| 852 | NS_ERROR("failed preparing to write NTLM response: integer overflow?!?")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "failed preparing to write NTLM response: integer overflow?!?" , "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 852); MOZ_PretendNoReturn(); } while (0); |
| 853 | return NS_ERROR_UNEXPECTED; |
| 854 | } |
| 855 | cursor = WriteSecBuf(cursor, hostLen, offset.value()); |
| 856 | memcpy(static_cast<uint8_t*>(*outBuf) + offset.value(), hostPtr, hostLen); |
| 857 | |
| 858 | // 52 : session key sec buf (not used) |
| 859 | cursor = WriteSecBuf(cursor, 0, 0); |
| 860 | |
| 861 | // 60 : negotiated flags |
| 862 | cursor = WriteDWORD(cursor, msg.flags & NTLM_TYPE1_FLAGS(0x00000001 | 0x00000002 | 0x00000004 | 0x00000200 | 0x00008000 | 0x00080000)); |
Value stored to 'cursor' is never read | |
| 863 | |
| 864 | return NS_OK; |
| 865 | } |
| 866 | |
| 867 | //----------------------------------------------------------------------------- |
| 868 | |
| 869 | NS_IMPL_ISUPPORTS(nsNTLMAuthModule, nsIAuthModule)MozExternalRefCountType nsNTLMAuthModule::AddRef(void) { static_assert (!std::is_destructible_v<nsNTLMAuthModule>, "Reference-counted class " "nsNTLMAuthModule" " should not have a public destructor. " "Make this class's destructor non-public" ); do { static_assert( mozilla::detail::AssertionConditionType <decltype(int32_t(mRefCnt) >= 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0" " (" "illegal refcnt" ")", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 869); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0" ") (" "illegal refcnt" ")"); do { MOZ_CrashSequence(__null, 869 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsNTLMAuthModule" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("nsNTLMAuthModule" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"nsNTLMAuthModule\" != nullptr" " (" "Must specify a name" ")" , "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp", 869 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsNTLMAuthModule\" != nullptr" ") (" "Must specify a name" ")"); do { MOZ_CrashSequence(__null , 869); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread.AssertOwnership ("nsNTLMAuthModule" " not thread-safe"); nsrefcnt count = ++mRefCnt ; NS_LogAddRef((this), (count), ("nsNTLMAuthModule"), (uint32_t )(sizeof(*this))); return count; } MozExternalRefCountType nsNTLMAuthModule ::Release(void) { do { static_assert( mozilla::detail::AssertionConditionType <decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) > 0))), 0 ))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0" " (" "dup release" ")", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 869); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0" ") (" "dup release" ")"); do { MOZ_CrashSequence(__null, 869 ); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); do { static_assert( mozilla::detail::AssertionConditionType <decltype("nsNTLMAuthModule" != nullptr)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!("nsNTLMAuthModule" != nullptr ))), 0))) { do { } while (false); MOZ_ReportAssertionFailure( "\"nsNTLMAuthModule\" != nullptr" " (" "Must specify a name" ")" , "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp", 869 ); AnnotateMozCrashReason("MOZ_ASSERT" "(" "\"nsNTLMAuthModule\" != nullptr" ") (" "Must specify a name" ")"); do { MOZ_CrashSequence(__null , 869); __attribute__((nomerge)) ::abort(); } while (false); } } while (false); if (!mRefCnt.isThreadSafe) _mOwningThread.AssertOwnership ("nsNTLMAuthModule" " not thread-safe"); const char* const nametmp = "nsNTLMAuthModule"; nsrefcnt count = --mRefCnt; NS_LogRelease ((this), (count), (nametmp)); if (count == 0) { mRefCnt = 1; delete (this); return 0; } return count; } nsresult nsNTLMAuthModule ::QueryInterface(const nsIID& aIID, void** aInstancePtr) { do { if (!(aInstancePtr)) { NS_DebugBreak(NS_DEBUG_ASSERTION , "QueryInterface requires a non-NULL destination!", "aInstancePtr" , "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp", 869 ); MOZ_PretendNoReturn(); } } while (0); nsresult rv = NS_ERROR_FAILURE ; static_assert(1 > 0, "Need more arguments to NS_INTERFACE_TABLE" ); static const QITableEntry table[] = { {&mozilla::detail ::kImplementedIID<nsNTLMAuthModule, nsIAuthModule>, int32_t ( reinterpret_cast<char*>(static_cast<nsIAuthModule* >((nsNTLMAuthModule*)0x1000)) - reinterpret_cast<char*> ((nsNTLMAuthModule*)0x1000))}, {&mozilla::detail::kImplementedIID <nsNTLMAuthModule, nsISupports>, int32_t(reinterpret_cast <char*>(static_cast<nsISupports*>( static_cast< nsIAuthModule*>((nsNTLMAuthModule*)0x1000))) - reinterpret_cast <char*>((nsNTLMAuthModule*)0x1000))}, { nullptr, 0 } } ; static_assert(std::size(table) > 1, "need at least 1 interface" ); rv = NS_TableDrivenQI(static_cast<void*>(this), aIID , aInstancePtr, table); return rv; } |
| 870 | |
| 871 | nsNTLMAuthModule::~nsNTLMAuthModule() { ZapString(mPassword); } |
| 872 | |
| 873 | nsresult nsNTLMAuthModule::InitTest() { |
| 874 | // disable NTLM authentication when FIPS mode is enabled. |
| 875 | return PK11_IsFIPS() ? NS_ERROR_NOT_AVAILABLE : NS_OK; |
| 876 | } |
| 877 | |
| 878 | NS_IMETHODIMPnsresult |
| 879 | nsNTLMAuthModule::Init(const nsACString& serviceName, uint32_t serviceFlags, |
| 880 | const nsAString& domain, const nsAString& username, |
| 881 | const nsAString& password) { |
| 882 | MOZ_ASSERT((serviceFlags & ~nsIAuthModule::REQ_PROXY_AUTH) ==do { static_assert( mozilla::detail::AssertionConditionType< decltype((serviceFlags & ~nsIAuthModule::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!((serviceFlags & ~nsIAuthModule ::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("(serviceFlags & ~nsIAuthModule::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT" " (" "Unexpected service flags" ")", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 884); AnnotateMozCrashReason("MOZ_ASSERT" "(" "(serviceFlags & ~nsIAuthModule::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT" ") (" "Unexpected service flags" ")"); do { MOZ_CrashSequence (__null, 884); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false) |
| 883 | nsIAuthModule::REQ_DEFAULT,do { static_assert( mozilla::detail::AssertionConditionType< decltype((serviceFlags & ~nsIAuthModule::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!((serviceFlags & ~nsIAuthModule ::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("(serviceFlags & ~nsIAuthModule::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT" " (" "Unexpected service flags" ")", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 884); AnnotateMozCrashReason("MOZ_ASSERT" "(" "(serviceFlags & ~nsIAuthModule::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT" ") (" "Unexpected service flags" ")"); do { MOZ_CrashSequence (__null, 884); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false) |
| 884 | "Unexpected service flags")do { static_assert( mozilla::detail::AssertionConditionType< decltype((serviceFlags & ~nsIAuthModule::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT)>::isValid, "invalid assertion condition" ); if ((__builtin_expect(!!(!(!!((serviceFlags & ~nsIAuthModule ::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT))), 0))) { do { } while (false); MOZ_ReportAssertionFailure("(serviceFlags & ~nsIAuthModule::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT" " (" "Unexpected service flags" ")", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 884); AnnotateMozCrashReason("MOZ_ASSERT" "(" "(serviceFlags & ~nsIAuthModule::REQ_PROXY_AUTH) == nsIAuthModule::REQ_DEFAULT" ") (" "Unexpected service flags" ")"); do { MOZ_CrashSequence (__null, 884); __attribute__((nomerge)) ::abort(); } while (false ); } } while (false); |
| 885 | |
| 886 | mDomain = domain; |
| 887 | mUsername = username; |
| 888 | mPassword = password; |
| 889 | mNTLMNegotiateSent = false; |
| 890 | |
| 891 | // Init runs on background threads, so several auths may reach this |
| 892 | // concurrently. |
| 893 | static mozilla::Atomic<bool> sTelemetrySent{false}; |
| 894 | if (sTelemetrySent.compareExchange(false, true)) { |
| 895 | mozilla::glean::security::ntlm_module_used.AccumulateSingleSample( |
| 896 | serviceFlags & nsIAuthModule::REQ_PROXY_AUTH |
| 897 | ? NTLM_MODULE_GENERIC_PROXY |
| 898 | : NTLM_MODULE_GENERIC_DIRECT); |
| 899 | } |
| 900 | |
| 901 | return NS_OK; |
| 902 | } |
| 903 | |
| 904 | NS_IMETHODIMPnsresult |
| 905 | nsNTLMAuthModule::InitAsync(const nsACString& aServiceName, |
| 906 | uint32_t aServiceFlags, const nsAString& aDomain, |
| 907 | const nsAString& aUsername, |
| 908 | const nsAString& aPassword, |
| 909 | nsIAuthModuleInitCallback* aCallback) { |
| 910 | return NS_ERROR_NOT_IMPLEMENTED; |
| 911 | } |
| 912 | |
| 913 | NS_IMETHODIMPnsresult |
| 914 | nsNTLMAuthModule::GetNextToken(const void* inToken, uint32_t inTokenLen, |
| 915 | void** outToken, uint32_t* outTokenLen) { |
| 916 | nsresult rv; |
| 917 | |
| 918 | // disable NTLM authentication when FIPS mode is enabled. |
| 919 | if (PK11_IsFIPS()) { |
| 920 | return NS_ERROR_NOT_AVAILABLE; |
| 921 | } |
| 922 | |
| 923 | if (mNTLMNegotiateSent) { |
| 924 | // if inToken is non-null, and we have sent the NTLMSSP_NEGOTIATE (type 1), |
| 925 | // then the NTLMSSP_CHALLENGE (type 2) is expected |
| 926 | if (inToken) { |
| 927 | LogToken("in-token", inToken, inTokenLen); |
| 928 | // Now generate the NTLMSSP_AUTH (type 3) |
| 929 | rv = GenerateType3Msg(mDomain, mUsername, mPassword, inToken, inTokenLen, |
| 930 | outToken, outTokenLen); |
| 931 | } else { |
| 932 | LOG(do { const ::mozilla::LogModule* moz_real_module = sNTLMLog; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, "NTLMSSP_NEGOTIATE already sent and presumably " "rejected by the server, refusing to send another"); } } while (0) |
| 933 | ("NTLMSSP_NEGOTIATE already sent and presumably "do { const ::mozilla::LogModule* moz_real_module = sNTLMLog; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, "NTLMSSP_NEGOTIATE already sent and presumably " "rejected by the server, refusing to send another"); } } while (0) |
| 934 | "rejected by the server, refusing to send another"))do { const ::mozilla::LogModule* moz_real_module = sNTLMLog; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, "NTLMSSP_NEGOTIATE already sent and presumably " "rejected by the server, refusing to send another"); } } while (0); |
| 935 | rv = NS_ERROR_UNEXPECTED; |
| 936 | } |
| 937 | } else { |
| 938 | if (inToken) { |
| 939 | LOG(("NTLMSSP_NEGOTIATE not sent but NTLM reply already received?!?"))do { const ::mozilla::LogModule* moz_real_module = sNTLMLog; if ((__builtin_expect(!!(mozilla::detail::log_test(moz_real_module , mozilla::LogLevel::Debug)), 0))) { mozilla::detail::log_print (moz_real_module, mozilla::LogLevel::Debug, "NTLMSSP_NEGOTIATE not sent but NTLM reply already received?!?" ); } } while (0); |
| 940 | rv = NS_ERROR_UNEXPECTED; |
| 941 | } else { |
| 942 | rv = GenerateType1Msg(outToken, outTokenLen); |
| 943 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) { |
| 944 | mNTLMNegotiateSent = true; |
| 945 | } |
| 946 | } |
| 947 | } |
| 948 | |
| 949 | if (NS_SUCCEEDED(rv)((bool)(__builtin_expect(!!(!NS_FAILED_impl(rv)), 1)))) LogToken("out-token", *outToken, *outTokenLen); |
| 950 | |
| 951 | return rv; |
| 952 | } |
| 953 | |
| 954 | NS_IMETHODIMPnsresult |
| 955 | nsNTLMAuthModule::Unwrap(const void* inToken, uint32_t inTokenLen, |
| 956 | void** outToken, uint32_t* outTokenLen) { |
| 957 | return NS_ERROR_NOT_IMPLEMENTED; |
| 958 | } |
| 959 | |
| 960 | NS_IMETHODIMPnsresult |
| 961 | nsNTLMAuthModule::Wrap(const void* inToken, uint32_t inTokenLen, |
| 962 | bool confidential, void** outToken, |
| 963 | uint32_t* outTokenLen) { |
| 964 | return NS_ERROR_NOT_IMPLEMENTED; |
| 965 | } |
| 966 | |
| 967 | //----------------------------------------------------------------------------- |
| 968 | // DES support code |
| 969 | |
| 970 | // set odd parity bit (in least significant bit position) |
| 971 | static uint8_t des_setkeyparity(uint8_t x) { |
| 972 | if ((((x >> 7) ^ (x >> 6) ^ (x >> 5) ^ (x >> 4) ^ (x >> 3) ^ (x >> 2) ^ |
| 973 | (x >> 1)) & |
| 974 | 0x01) == 0) { |
| 975 | x |= 0x01; |
| 976 | } else { |
| 977 | x &= 0xfe; |
| 978 | } |
| 979 | return x; |
| 980 | } |
| 981 | |
| 982 | // build 64-bit des key from 56-bit raw key |
| 983 | static void des_makekey(const uint8_t* raw, uint8_t* key) { |
| 984 | key[0] = des_setkeyparity(raw[0]); |
| 985 | key[1] = des_setkeyparity((raw[0] << 7) | (raw[1] >> 1)); |
| 986 | key[2] = des_setkeyparity((raw[1] << 6) | (raw[2] >> 2)); |
| 987 | key[3] = des_setkeyparity((raw[2] << 5) | (raw[3] >> 3)); |
| 988 | key[4] = des_setkeyparity((raw[3] << 4) | (raw[4] >> 4)); |
| 989 | key[5] = des_setkeyparity((raw[4] << 3) | (raw[5] >> 5)); |
| 990 | key[6] = des_setkeyparity((raw[5] << 2) | (raw[6] >> 6)); |
| 991 | key[7] = des_setkeyparity((raw[6] << 1)); |
| 992 | } |
| 993 | |
| 994 | // run des encryption algorithm (using NSS) |
| 995 | static void des_encrypt(const uint8_t* key, const uint8_t* src, uint8_t* hash) { |
| 996 | CK_MECHANISM_TYPE cipherMech = CKM_DES_ECB0x00000121UL; |
| 997 | PK11SymKey* symkey = nullptr; |
| 998 | PK11Context* ctxt = nullptr; |
| 999 | SECItem keyItem; |
| 1000 | mozilla::UniqueSECItem param; |
| 1001 | SECStatus rv; |
| 1002 | unsigned int n; |
| 1003 | |
| 1004 | mozilla::UniquePK11SlotInfo slot(PK11_GetBestSlot(cipherMech, nullptr)); |
| 1005 | if (!slot) { |
| 1006 | NS_ERROR("no slot")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "no slot", "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 1006); MOZ_PretendNoReturn(); } while (0); |
| 1007 | goto done; |
| 1008 | } |
| 1009 | |
| 1010 | keyItem.data = const_cast<uint8_t*>(key); |
| 1011 | keyItem.len = 8; |
| 1012 | symkey = PK11_ImportSymKey(slot.get(), cipherMech, PK11_OriginUnwrap, |
| 1013 | CKA_ENCRYPT0x00000104UL, &keyItem, nullptr); |
| 1014 | if (!symkey) { |
| 1015 | NS_ERROR("no symkey")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "no symkey", "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 1015); MOZ_PretendNoReturn(); } while (0); |
| 1016 | goto done; |
| 1017 | } |
| 1018 | |
| 1019 | // no initialization vector required |
| 1020 | param = mozilla::UniqueSECItem(PK11_ParamFromIV(cipherMech, nullptr)); |
| 1021 | if (!param) { |
| 1022 | NS_ERROR("no param")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "no param", "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp" , 1022); MOZ_PretendNoReturn(); } while (0); |
| 1023 | goto done; |
| 1024 | } |
| 1025 | |
| 1026 | ctxt = |
| 1027 | PK11_CreateContextBySymKey(cipherMech, CKA_ENCRYPT0x00000104UL, symkey, param.get()); |
| 1028 | if (!ctxt) { |
| 1029 | NS_ERROR("no context")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "no context", "Error", "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp", 1029 ); MOZ_PretendNoReturn(); } while (0); |
| 1030 | goto done; |
| 1031 | } |
| 1032 | |
| 1033 | rv = PK11_CipherOp(ctxt, hash, (int*)&n, 8, (uint8_t*)src, 8); |
| 1034 | if (rv != SECSuccess) { |
| 1035 | NS_ERROR("des failure")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "des failure", "Error" , "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp", 1035 ); MOZ_PretendNoReturn(); } while (0); |
| 1036 | goto done; |
| 1037 | } |
| 1038 | |
| 1039 | rv = PK11_DigestFinal(ctxt, hash + 8, &n, 0); |
| 1040 | if (rv != SECSuccess) { |
| 1041 | NS_ERROR("des failure")do { NS_DebugBreak(NS_DEBUG_ASSERTION, "des failure", "Error" , "./../../../../security/manager/ssl/nsNTLMAuthModule.cpp", 1041 ); MOZ_PretendNoReturn(); } while (0); |
| 1042 | goto done; |
| 1043 | } |
| 1044 | |
| 1045 | done: |
| 1046 | if (ctxt) PK11_DestroyContext(ctxt, true); |
| 1047 | if (symkey) PK11_FreeSymKey(symkey); |
| 1048 | } |