| Robin Jarry | f94c674 | 2014-03-28 12:03:01 +0100 | [diff] [blame] | 1 | ############################## |
| 2 | % IPSec layer regression tests |
| 3 | ############################## |
| 4 | |
| 5 | ############################################################################### |
| 6 | + IPv4 / ESP |
| 7 | |
| 8 | ####################################### |
| 9 | = IPv4 / ESP - Transport - AES-CBC - NULL |
| 10 | |
| Robin Jarry | 6057906 | 2016-06-01 16:17:07 +0200 | [diff] [blame] | 11 | import socket |
| 12 | |
| Robin Jarry | f94c674 | 2014-03-28 12:03:01 +0100 | [diff] [blame] | 13 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 14 | p /= TCP(sport=45012, dport=80) |
| 15 | p /= Raw('testdata') |
| 16 | p = IP(str(p)) |
| 17 | p |
| 18 | |
| 19 | sa = SecurityAssociation(ESP, spi=0x222, |
| 20 | crypt_algo='AES-CBC', crypt_key='sixteenbytes key', |
| 21 | auth_algo='NULL', auth_key=None) |
| 22 | |
| 23 | e = sa.encrypt(p) |
| 24 | e |
| 25 | |
| 26 | assert(isinstance(e, IP)) |
| 27 | assert(e.src == '1.1.1.1' and e.dst == '2.2.2.2') |
| 28 | assert(e.chksum != p.chksum) |
| 29 | assert(e.proto == socket.IPPROTO_ESP) |
| 30 | assert(e.haslayer(ESP)) |
| 31 | assert(not e.haslayer(TCP)) |
| 32 | assert(e[ESP].spi == sa.spi) |
| 33 | * after encryption the original packet payload should NOT be readable |
| 34 | assert('testdata' not in e[ESP].data) |
| 35 | |
| 36 | d = sa.decrypt(e) |
| 37 | d |
| 38 | |
| 39 | * after decryption the original packet payload should be unaltered |
| 40 | assert(d[TCP] == p[TCP]) |
| 41 | |
| 42 | ####################################### |
| 43 | = IPv4 / ESP - Transport - NULL - HMAC-SHA1-96 |
| 44 | |
| 45 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 46 | p /= TCP(sport=45012, dport=80) |
| 47 | p /= Raw('testdata') |
| 48 | p = IP(str(p)) |
| 49 | p |
| 50 | |
| 51 | sa = SecurityAssociation(ESP, spi=0x222, |
| 52 | crypt_algo='NULL', crypt_key=None, |
| 53 | auth_algo='HMAC-SHA1-96', auth_key='secret key') |
| 54 | |
| 55 | e = sa.encrypt(p) |
| 56 | e |
| 57 | |
| 58 | assert(isinstance(e, IP)) |
| 59 | assert(e.src == '1.1.1.1' and e.dst == '2.2.2.2') |
| 60 | assert(e.chksum != p.chksum) |
| 61 | assert(e.proto == socket.IPPROTO_ESP) |
| 62 | assert(e.haslayer(ESP)) |
| 63 | assert(not e.haslayer(TCP)) |
| 64 | assert(e[ESP].spi == sa.spi) |
| 65 | assert('testdata' in e[ESP].data) |
| 66 | |
| 67 | * integrity verification should pass |
| 68 | d = sa.decrypt(e) |
| 69 | |
| 70 | * after decryption the original packet payload should be unaltered |
| 71 | assert(d[TCP] == p[TCP]) |
| 72 | |
| 73 | ####################################### |
| 74 | = IPv4 / ESP - Transport - NULL - HMAC-SHA1-96 - altered packet |
| 75 | |
| 76 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 77 | p /= TCP(sport=45012, dport=80) |
| 78 | p /= Raw('testdata') |
| 79 | p = IP(str(p)) |
| 80 | p |
| 81 | |
| 82 | sa = SecurityAssociation(ESP, spi=0x222, |
| 83 | crypt_algo='NULL', crypt_key=None, |
| 84 | auth_algo='HMAC-SHA1-96', auth_key='secret key') |
| 85 | |
| 86 | e = sa.encrypt(p) |
| 87 | e |
| 88 | |
| 89 | assert(isinstance(e, IP)) |
| 90 | assert(e.src == '1.1.1.1' and e.dst == '2.2.2.2') |
| 91 | assert(e.chksum != p.chksum) |
| 92 | assert(e.proto == socket.IPPROTO_ESP) |
| 93 | assert(e.haslayer(ESP)) |
| 94 | assert(not e.haslayer(TCP)) |
| 95 | assert(e[ESP].spi == sa.spi) |
| 96 | assert('testdata' in e[ESP].data) |
| 97 | |
| 98 | * simulate the alteration of the packet before decryption |
| 99 | e[ESP].data = e[ESP].data.replace('\x01', '\x21') |
| 100 | |
| 101 | * integrity verification should fail |
| 102 | try: |
| 103 | d = sa.decrypt(e) |
| 104 | assert(False) |
| 105 | except IPSecIntegrityError, err: |
| 106 | err |
| 107 | |
| 108 | ####################################### |
| 109 | = IPv4 / ESP - Tunnel - AES-CTR - NULL |
| 110 | |
| 111 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 112 | p /= TCP(sport=45012, dport=80) |
| 113 | p /= Raw('testdata') |
| 114 | p = IP(str(p)) |
| 115 | p |
| 116 | |
| 117 | sa = SecurityAssociation(ESP, spi=0x222, |
| 118 | crypt_algo='AES-CTR', crypt_key='16bytekey+4bytenonce', |
| 119 | auth_algo='NULL', auth_key=None, |
| 120 | tunnel_header=IP(src='11.11.11.11', dst='22.22.22.22')) |
| 121 | |
| 122 | e = sa.encrypt(p) |
| 123 | e |
| 124 | |
| 125 | assert(isinstance(e, IP)) |
| 126 | * after encryption packet should be encapsulated with the given ip tunnel header |
| 127 | assert(e.src == '11.11.11.11' and e.dst == '22.22.22.22') |
| 128 | assert(e.chksum != p.chksum) |
| 129 | assert(e.proto == socket.IPPROTO_ESP) |
| 130 | assert(e.haslayer(ESP)) |
| 131 | assert(not e.haslayer(TCP)) |
| 132 | assert(e[ESP].spi == sa.spi) |
| 133 | * after encryption the original packet payload should NOT be readable |
| 134 | assert('testdata' not in e[ESP].data) |
| 135 | |
| 136 | d = sa.decrypt(e) |
| 137 | d |
| 138 | |
| 139 | * after decryption original packet should be preserved |
| 140 | assert(d == p) |
| 141 | |
| 142 | ####################################### |
| Daniel Collins | 620f195 | 2016-10-26 01:03:37 -0700 | [diff] [blame] | 143 | = IPv4 / ESP - Tunnel - AES-GCM - NULL |
| 144 | ~ combined_modes |
| 145 | |
| 146 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 147 | p /= TCP(sport=45012, dport=80) |
| 148 | p /= Raw('testdata') |
| 149 | p = IP(str(p)) |
| 150 | p |
| 151 | |
| 152 | sa = SecurityAssociation(ESP, spi=0x222, |
| 153 | crypt_algo='AES-GCM', crypt_key='16bytekey+4bytenonce', |
| 154 | auth_algo='NULL', auth_key=None, |
| 155 | tunnel_header=IP(src='11.11.11.11', dst='22.22.22.22')) |
| 156 | |
| 157 | e = sa.encrypt(p) |
| 158 | e |
| 159 | |
| 160 | assert(isinstance(e, IP)) |
| 161 | * after encryption packet should be encapsulated with the given ip tunnel header |
| 162 | assert(e.src == '11.11.11.11' and e.dst == '22.22.22.22') |
| 163 | assert(e.chksum != p.chksum) |
| 164 | assert(e.proto == socket.IPPROTO_ESP) |
| 165 | assert(e.haslayer(ESP)) |
| 166 | assert(not e.haslayer(TCP)) |
| 167 | assert(e[ESP].spi == sa.spi) |
| 168 | * after encryption the original packet payload should NOT be readable |
| 169 | assert('testdata' not in e[ESP].data) |
| 170 | |
| 171 | d = sa.decrypt(e) |
| 172 | d |
| 173 | |
| 174 | * after decryption original packet should be preserved |
| 175 | assert(d == p) |
| 176 | |
| 177 | ####################################### |
| 178 | = IPv4 / ESP - Tunnel - AES-CCM - NULL |
| 179 | ~ combined_modes |
| 180 | |
| 181 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 182 | p /= TCP(sport=45012, dport=80) |
| 183 | p /= Raw('testdata') |
| 184 | p = IP(str(p)) |
| 185 | p |
| 186 | |
| 187 | sa = SecurityAssociation(ESP, spi=0x222, |
| 188 | crypt_algo='AES-CCM', crypt_key='16bytekey+4bytenonce', |
| 189 | auth_algo='NULL', auth_key=None, |
| 190 | tunnel_header=IP(src='11.11.11.11', dst='22.22.22.22')) |
| 191 | |
| 192 | e = sa.encrypt(p) |
| 193 | e |
| 194 | |
| 195 | assert(isinstance(e, IP)) |
| 196 | * after encryption packet should be encapsulated with the given ip tunnel header |
| 197 | assert(e.src == '11.11.11.11' and e.dst == '22.22.22.22') |
| 198 | assert(e.chksum != p.chksum) |
| 199 | assert(e.proto == socket.IPPROTO_ESP) |
| 200 | assert(e.haslayer(ESP)) |
| 201 | assert(not e.haslayer(TCP)) |
| 202 | assert(e[ESP].spi == sa.spi) |
| 203 | * after encryption the original packet payload should NOT be readable |
| 204 | assert('testdata' not in e[ESP].data) |
| 205 | |
| 206 | d = sa.decrypt(e) |
| 207 | d |
| 208 | |
| 209 | * after decryption original packet should be preserved |
| 210 | assert(d == p) |
| 211 | |
| 212 | ####################################### |
| Robin Jarry | f94c674 | 2014-03-28 12:03:01 +0100 | [diff] [blame] | 213 | = IPv4 / ESP - Tunnel - NULL - SHA2-256-128 |
| 214 | |
| 215 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 216 | p /= TCP(sport=45012, dport=80) |
| 217 | p /= Raw('testdata') |
| 218 | p = IP(str(p)) |
| 219 | p |
| 220 | |
| 221 | sa = SecurityAssociation(ESP, spi=0x222, |
| 222 | crypt_algo='NULL', crypt_key=None, |
| 223 | auth_algo='SHA2-256-128', auth_key='secret key', |
| 224 | tunnel_header=IP(src='11.11.11.11', dst='22.22.22.22')) |
| 225 | |
| 226 | e = sa.encrypt(p) |
| 227 | e |
| 228 | |
| 229 | assert(isinstance(e, IP)) |
| 230 | * after encryption packet should be encapsulated with the given ip tunnel header |
| 231 | assert(e.src == '11.11.11.11' and e.dst == '22.22.22.22') |
| 232 | assert(e.chksum != p.chksum) |
| 233 | assert(e.proto == socket.IPPROTO_ESP) |
| 234 | assert(e.haslayer(ESP)) |
| 235 | assert(not e.haslayer(TCP)) |
| 236 | assert(e[ESP].spi == sa.spi) |
| 237 | * after encryption the original packet payload should be readable |
| 238 | assert('testdata' in e[ESP].data) |
| 239 | |
| 240 | * integrity verification should pass |
| 241 | d = sa.decrypt(e) |
| 242 | |
| 243 | * after decryption the original packet should be preserved |
| 244 | assert(d == p) |
| 245 | |
| 246 | ####################################### |
| 247 | = IPv4 / ESP - Tunnel - NULL - SHA2-256-128 - altered packet |
| 248 | |
| 249 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 250 | p /= TCP(sport=45012, dport=80) |
| 251 | p /= Raw('testdata') |
| 252 | p = IP(str(p)) |
| 253 | p |
| 254 | |
| 255 | sa = SecurityAssociation(ESP, spi=0x222, |
| 256 | crypt_algo='NULL', crypt_key=None, |
| 257 | auth_algo='SHA2-256-128', auth_key='secret key', |
| 258 | tunnel_header=IP(src='11.11.11.11', dst='22.22.22.22')) |
| 259 | |
| 260 | e = sa.encrypt(p) |
| 261 | e |
| 262 | |
| 263 | assert(isinstance(e, IP)) |
| 264 | * after encryption packet should be encapsulated with the given ip tunnel header |
| 265 | assert(e.src == '11.11.11.11' and e.dst == '22.22.22.22') |
| 266 | assert(e.chksum != p.chksum) |
| 267 | assert(e.proto == socket.IPPROTO_ESP) |
| 268 | assert(e.haslayer(ESP)) |
| 269 | assert(not e.haslayer(TCP)) |
| 270 | assert(e[ESP].spi == sa.spi) |
| 271 | * after encryption the original packet payload should be readable |
| 272 | assert('testdata' in e[ESP].data) |
| 273 | |
| 274 | * simulate the alteration of the packet before decryption |
| 275 | e[ESP].data = e[ESP].data.replace('\x01', '\x21') |
| 276 | |
| 277 | * integrity verification should fail |
| 278 | try: |
| 279 | d = sa.decrypt(e) |
| 280 | assert(False) |
| 281 | except IPSecIntegrityError, err: |
| 282 | err |
| 283 | |
| 284 | ############################################################################### |
| 285 | + IPv6 / ESP |
| 286 | |
| 287 | ####################################### |
| 288 | = IPv6 / ESP - Transport - DES - NULL |
| 289 | |
| 290 | p = IPv6(src='11::22', dst='22::11') |
| 291 | p /= TCP(sport=45012, dport=80) |
| 292 | p /= Raw('testdata') |
| 293 | p = IPv6(str(p)) |
| 294 | p |
| 295 | |
| 296 | sa = SecurityAssociation(ESP, spi=0x222, |
| 297 | crypt_algo='DES', crypt_key='8bytekey', |
| 298 | auth_algo='NULL', auth_key=None) |
| 299 | |
| 300 | e = sa.encrypt(p) |
| 301 | e |
| 302 | |
| 303 | assert(isinstance(e, IPv6)) |
| 304 | assert(e.src == '11::22' and e.dst == '22::11') |
| 305 | * the encrypted packet should have an ESP layer |
| 306 | assert(e.nh == socket.IPPROTO_ESP) |
| 307 | assert(e.haslayer(ESP)) |
| 308 | assert(not e.haslayer(TCP)) |
| 309 | assert(e[ESP].spi == sa.spi) |
| 310 | * after encryption the original packet payload should NOT be readable |
| 311 | assert('testdata' not in e[ESP].data) |
| 312 | |
| 313 | d = sa.decrypt(e) |
| 314 | d |
| 315 | |
| 316 | * after decryption the original packet payload should be unaltered |
| 317 | assert(d[TCP] == p[TCP]) |
| 318 | |
| 319 | ####################################### |
| 320 | = IPv6 / ESP - Transport - NULL - HMAC-MD5-96 |
| 321 | |
| 322 | p = IPv6(src='11::22', dst='22::11') |
| 323 | p /= TCP(sport=45012, dport=80) |
| 324 | p /= Raw('testdata') |
| 325 | p = IPv6(str(p)) |
| 326 | p |
| 327 | |
| 328 | sa = SecurityAssociation(ESP, spi=0x222, |
| 329 | crypt_algo='NULL', crypt_key=None, |
| 330 | auth_algo='HMAC-MD5-96', auth_key='secret key') |
| 331 | |
| 332 | e = sa.encrypt(p) |
| 333 | e |
| 334 | |
| 335 | assert(isinstance(e, IPv6)) |
| 336 | assert(e.src == '11::22' and e.dst == '22::11') |
| 337 | * the encrypted packet should have an ESP layer |
| 338 | assert(e.nh == socket.IPPROTO_ESP) |
| 339 | assert(e.haslayer(ESP)) |
| 340 | assert(not e.haslayer(TCP)) |
| 341 | assert(e[ESP].spi == sa.spi) |
| 342 | * after encryption the original packet payload should be readable |
| 343 | assert('testdata' in e[ESP].data) |
| 344 | |
| 345 | * integrity verification should pass |
| 346 | d = sa.decrypt(e) |
| 347 | |
| 348 | * after decryption the original packet payload should be unaltered |
| 349 | assert(d[TCP] == p[TCP]) |
| 350 | |
| 351 | ####################################### |
| 352 | = IPv6 / ESP - Transport - NULL - HMAC-MD5-96 - altered packet |
| 353 | |
| 354 | p = IPv6(src='11::22', dst='22::11') |
| 355 | p /= TCP(sport=45012, dport=80) |
| 356 | p /= Raw('testdata') |
| 357 | p = IPv6(str(p)) |
| 358 | p |
| 359 | |
| 360 | sa = SecurityAssociation(ESP, spi=0x222, |
| 361 | crypt_algo='NULL', crypt_key=None, |
| 362 | auth_algo='HMAC-MD5-96', auth_key='secret key') |
| 363 | |
| 364 | e = sa.encrypt(p) |
| 365 | e |
| 366 | |
| 367 | assert(isinstance(e, IPv6)) |
| 368 | assert(e.src == '11::22' and e.dst == '22::11') |
| 369 | * the encrypted packet should have an ESP layer |
| 370 | assert(e.nh == socket.IPPROTO_ESP) |
| 371 | assert(e.haslayer(ESP)) |
| 372 | assert(not e.haslayer(TCP)) |
| 373 | assert(e[ESP].spi == sa.spi) |
| 374 | * after encryption the original packet payload should be readable |
| 375 | assert('testdata' in e[ESP].data) |
| 376 | |
| 377 | * simulate the alteration of the packet before decryption |
| 378 | e[ESP].data = e[ESP].data.replace('\x01', '\x21') |
| 379 | |
| 380 | * integrity verification should fail |
| 381 | try: |
| 382 | d = sa.decrypt(e) |
| 383 | assert(False) |
| 384 | except IPSecIntegrityError, err: |
| 385 | err |
| 386 | |
| 387 | ####################################### |
| 388 | = IPv6 / ESP - Tunnel - 3DES - NULL |
| 389 | |
| 390 | p = IPv6(src='11::22', dst='22::11') |
| 391 | p /= TCP(sport=45012, dport=80) |
| 392 | p /= Raw('testdata') |
| 393 | p = IPv6(str(p)) |
| 394 | p |
| 395 | |
| 396 | sa = SecurityAssociation(ESP, spi=0x222, |
| 397 | crypt_algo='AES-CBC', crypt_key='sixteenbytes key', |
| 398 | auth_algo='NULL', auth_key=None, |
| 399 | tunnel_header=IPv6(src='aa::bb', dst='bb::aa')) |
| 400 | |
| 401 | e = sa.encrypt(p) |
| 402 | e |
| 403 | |
| 404 | assert(isinstance(e, IPv6)) |
| 405 | * after encryption packet should be encapsulated with the given ip tunnel header |
| 406 | assert(e.src == 'aa::bb' and e.dst == 'bb::aa') |
| 407 | assert(e.nh == socket.IPPROTO_ESP) |
| 408 | assert(e.haslayer(ESP)) |
| 409 | assert(not e.haslayer(TCP)) |
| 410 | assert(e[ESP].spi == sa.spi) |
| 411 | * after encryption the original packet payload should NOT be readable |
| 412 | assert('testdata' not in e[ESP].data) |
| 413 | |
| 414 | d = sa.decrypt(e) |
| 415 | d |
| 416 | |
| 417 | * after decryption original packet should be preserved |
| 418 | assert(d == p) |
| 419 | |
| 420 | ####################################### |
| 421 | = IPv6 / ESP - Tunnel - NULL - SHA2-384-192 |
| 422 | |
| 423 | p = IPv6(src='11::22', dst='22::11') |
| 424 | p /= TCP(sport=45012, dport=80) |
| 425 | p /= Raw('testdata') |
| 426 | p = IPv6(str(p)) |
| 427 | p |
| 428 | |
| 429 | sa = SecurityAssociation(ESP, spi=0x222, |
| 430 | crypt_algo='NULL', crypt_key=None, |
| 431 | auth_algo='SHA2-384-192', auth_key='secret key', |
| 432 | tunnel_header=IPv6(src='aa::bb', dst='bb::aa')) |
| 433 | |
| 434 | e = sa.encrypt(p) |
| 435 | e |
| 436 | |
| 437 | assert(isinstance(e, IPv6)) |
| 438 | * after encryption packet should be encapsulated with the given ip tunnel header |
| 439 | assert(e.src == 'aa::bb' and e.dst == 'bb::aa') |
| 440 | assert(e.nh == socket.IPPROTO_ESP) |
| 441 | assert(e.haslayer(ESP)) |
| 442 | assert(not e.haslayer(TCP)) |
| 443 | assert(e[ESP].spi == sa.spi) |
| 444 | * after encryption the original packet payload should be readable |
| 445 | assert('testdata' in e[ESP].data) |
| 446 | |
| 447 | * integrity verification should pass |
| 448 | d = sa.decrypt(e) |
| 449 | |
| 450 | * after decryption the original packet should be preserved |
| 451 | assert(d == p) |
| 452 | |
| 453 | ####################################### |
| 454 | = IPv6 / ESP - Tunnel - NULL - SHA2-384-192 - altered packet |
| 455 | |
| 456 | p = IPv6(src='11::22', dst='22::11') |
| 457 | p /= TCP(sport=45012, dport=80) |
| 458 | p /= Raw('testdata') |
| 459 | p = IPv6(str(p)) |
| 460 | p |
| 461 | |
| 462 | sa = SecurityAssociation(ESP, spi=0x222, |
| 463 | crypt_algo='NULL', crypt_key=None, |
| 464 | auth_algo='SHA2-384-192', auth_key='secret key', |
| 465 | tunnel_header=IPv6(src='aa::bb', dst='bb::aa')) |
| 466 | |
| 467 | e = sa.encrypt(p) |
| 468 | e |
| 469 | |
| 470 | assert(isinstance(e, IPv6)) |
| 471 | * after encryption packet should be encapsulated with the given ip tunnel header |
| 472 | assert(e.src == 'aa::bb' and e.dst == 'bb::aa') |
| 473 | assert(e.nh == socket.IPPROTO_ESP) |
| 474 | assert(e.haslayer(ESP)) |
| 475 | assert(not e.haslayer(TCP)) |
| 476 | assert(e[ESP].spi == sa.spi) |
| 477 | * after encryption the original packet payload should be readable |
| 478 | assert('testdata' in e[ESP].data) |
| 479 | |
| 480 | * simulate the alteration of the packet before decryption |
| 481 | e[ESP].data = e[ESP].data.replace('\x01', '\x21') |
| 482 | |
| 483 | * integrity verification should fail |
| 484 | try: |
| 485 | d = sa.decrypt(e) |
| 486 | assert(False) |
| 487 | except IPSecIntegrityError, err: |
| 488 | err |
| 489 | |
| 490 | ############################################################################### |
| 491 | + IPv4 / AH |
| 492 | |
| 493 | ####################################### |
| Robin Jarry | def2cd8 | 2014-06-17 18:37:05 +0200 | [diff] [blame] | 494 | = IPv4 / AH - Transport - HMAC-SHA1-96 |
| Robin Jarry | f94c674 | 2014-03-28 12:03:01 +0100 | [diff] [blame] | 495 | |
| 496 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 497 | p /= TCP(sport=45012, dport=80) |
| 498 | p /= Raw('testdata') |
| 499 | p = IP(str(p)) |
| 500 | p |
| 501 | |
| 502 | sa = SecurityAssociation(AH, spi=0x222, |
| Robin Jarry | def2cd8 | 2014-06-17 18:37:05 +0200 | [diff] [blame] | 503 | auth_algo='HMAC-SHA1-96', auth_key='sixteenbytes key') |
| Robin Jarry | f94c674 | 2014-03-28 12:03:01 +0100 | [diff] [blame] | 504 | |
| 505 | e = sa.encrypt(p) |
| 506 | e |
| 507 | |
| 508 | assert(isinstance(e, IP)) |
| 509 | assert(e.src == '1.1.1.1' and e.dst == '2.2.2.2') |
| 510 | assert(e.chksum != p.chksum) |
| 511 | * the encrypted packet should have an AH layer |
| 512 | assert(e.proto == socket.IPPROTO_AH) |
| 513 | assert(e.haslayer(AH)) |
| 514 | assert(e.haslayer(TCP)) |
| 515 | assert(e[AH].spi == sa.spi) |
| 516 | |
| 517 | * alter mutable fields in the packet |
| 518 | e.ttl = 2 |
| 519 | |
| 520 | * integrity verification should pass |
| 521 | d = sa.decrypt(e) |
| 522 | d |
| 523 | |
| 524 | * after decryption the original packet payload should be unaltered |
| 525 | assert(d[TCP] == p[TCP]) |
| 526 | |
| 527 | ####################################### |
| Robin Jarry | def2cd8 | 2014-06-17 18:37:05 +0200 | [diff] [blame] | 528 | = IPv4 / AH - Transport - HMAC-SHA1-96 - altered packet |
| Robin Jarry | f94c674 | 2014-03-28 12:03:01 +0100 | [diff] [blame] | 529 | |
| 530 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 531 | p /= TCP(sport=45012, dport=80) |
| 532 | p /= Raw('testdata') |
| 533 | p = IP(str(p)) |
| 534 | p |
| 535 | |
| 536 | sa = SecurityAssociation(AH, spi=0x222, |
| Robin Jarry | def2cd8 | 2014-06-17 18:37:05 +0200 | [diff] [blame] | 537 | auth_algo='HMAC-SHA1-96', auth_key='sixteenbytes key') |
| Robin Jarry | f94c674 | 2014-03-28 12:03:01 +0100 | [diff] [blame] | 538 | |
| 539 | e = sa.encrypt(p) |
| 540 | e |
| 541 | |
| 542 | assert(isinstance(e, IP)) |
| 543 | assert(e.src == '1.1.1.1' and e.dst == '2.2.2.2') |
| 544 | assert(e.chksum != p.chksum) |
| 545 | * the encrypted packet should have an AH layer |
| 546 | assert(e.proto == socket.IPPROTO_AH) |
| 547 | assert(e.haslayer(AH)) |
| 548 | assert(e.haslayer(TCP)) |
| 549 | assert(e[AH].spi == sa.spi) |
| 550 | |
| 551 | * simulate the alteration of the packet before decryption |
| 552 | e[TCP].sport = 5 |
| 553 | |
| 554 | * integrity verification should fail |
| 555 | try: |
| 556 | d = sa.decrypt(e) |
| 557 | assert(False) |
| 558 | except IPSecIntegrityError, err: |
| 559 | err |
| 560 | |
| 561 | ####################################### |
| 562 | = IPv4 / AH - Tunnel - SHA2-256-128 |
| 563 | |
| 564 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 565 | p /= TCP(sport=45012, dport=80) |
| 566 | p /= Raw('testdata') |
| 567 | p = IP(str(p)) |
| 568 | p |
| 569 | |
| 570 | sa = SecurityAssociation(AH, spi=0x222, |
| 571 | auth_algo='SHA2-256-128', auth_key='secret key', |
| 572 | tunnel_header=IP(src='11.11.11.11', dst='22.22.22.22')) |
| 573 | |
| 574 | e = sa.encrypt(p) |
| 575 | e |
| 576 | |
| 577 | assert(isinstance(e, IP)) |
| 578 | assert(e.src == '11.11.11.11' and e.dst == '22.22.22.22') |
| 579 | assert(e.chksum != p.chksum) |
| 580 | assert(e.proto == socket.IPPROTO_AH) |
| 581 | assert(e.haslayer(AH)) |
| 582 | assert(e.haslayer(TCP)) |
| 583 | assert(e[AH].spi == sa.spi) |
| 584 | |
| 585 | * alter mutable fields in the packet |
| 586 | e.ttl = 2 |
| 587 | |
| 588 | * integrity verification should pass |
| 589 | d = sa.decrypt(e) |
| 590 | d |
| 591 | |
| 592 | * after decryption the original packet should be unaltered |
| 593 | assert(d == p) |
| 594 | |
| 595 | ####################################### |
| 596 | = IPv4 / AH - Tunnel - HMAC-SHA1-96 - altered packet |
| 597 | |
| 598 | p = IP(src='1.1.1.1', dst='2.2.2.2') |
| 599 | p /= TCP(sport=45012, dport=80) |
| 600 | p /= Raw('testdata') |
| 601 | p = IP(str(p)) |
| 602 | p |
| 603 | |
| 604 | sa = SecurityAssociation(AH, spi=0x222, |
| 605 | auth_algo='HMAC-SHA1-96', auth_key='secret key', |
| 606 | tunnel_header=IP(src='11.11.11.11', dst='22.22.22.22')) |
| 607 | |
| 608 | e = sa.encrypt(p) |
| 609 | e |
| 610 | |
| 611 | assert(isinstance(e, IP)) |
| 612 | assert(e.src == '11.11.11.11' and e.dst == '22.22.22.22') |
| 613 | assert(e.chksum != p.chksum) |
| 614 | assert(e.proto == socket.IPPROTO_AH) |
| 615 | assert(e.haslayer(AH)) |
| 616 | assert(e.haslayer(TCP)) |
| 617 | assert(e[AH].spi == sa.spi) |
| 618 | |
| 619 | * simulate the alteration of the packet before verification |
| 620 | e.dst = '4.4.4.4' |
| 621 | |
| 622 | * integrity verification should fail |
| 623 | try: |
| 624 | d = sa.decrypt(e) |
| 625 | assert(False) |
| 626 | except IPSecIntegrityError, err: |
| 627 | err |
| 628 | |
| 629 | ############################################################################### |
| 630 | + IPv6 / AH |
| 631 | |
| 632 | ####################################### |
| 633 | = IPv6 / AH - Transport - HMAC-SHA1-96 |
| 634 | |
| 635 | p = IPv6(src='11::22', dst='22::11') |
| 636 | p /= TCP(sport=45012, dport=80) |
| 637 | p /= Raw('testdata') |
| 638 | p = IPv6(str(p)) |
| 639 | p |
| 640 | |
| 641 | sa = SecurityAssociation(AH, spi=0x222, |
| 642 | auth_algo='HMAC-SHA1-96', auth_key='secret key') |
| 643 | |
| 644 | e = sa.encrypt(p) |
| 645 | e |
| 646 | |
| 647 | assert(isinstance(e, IPv6)) |
| 648 | assert(e.src == '11::22' and e.dst == '22::11') |
| 649 | * the encrypted packet should have an AH layer |
| 650 | assert(e.nh == socket.IPPROTO_AH) |
| 651 | assert(e.haslayer(AH)) |
| 652 | assert(e.haslayer(TCP)) |
| 653 | assert(e[AH].spi == sa.spi) |
| 654 | |
| 655 | * alter mutable fields in the packet |
| 656 | e.hlim = 2 |
| 657 | |
| 658 | * integrity verification should pass |
| 659 | d = sa.decrypt(e) |
| 660 | d |
| 661 | |
| 662 | * after decryption the original packet payload should be unaltered |
| 663 | assert(d[TCP] == p[TCP]) |
| 664 | |
| 665 | ####################################### |
| 666 | = IPv6 / AH - Transport - HMAC-SHA1-96 - altered packet |
| 667 | |
| 668 | p = IPv6(src='11::22', dst='22::11') |
| 669 | p /= TCP(sport=45012, dport=80) |
| 670 | p /= Raw('testdata') |
| 671 | p = IPv6(str(p)) |
| 672 | p |
| 673 | |
| 674 | sa = SecurityAssociation(AH, spi=0x222, |
| 675 | auth_algo='HMAC-SHA1-96', auth_key='secret key') |
| 676 | |
| 677 | e = sa.encrypt(p) |
| 678 | e |
| 679 | |
| 680 | assert(isinstance(e, IPv6)) |
| 681 | assert(e.src == '11::22' and e.dst == '22::11') |
| 682 | * the encrypted packet should have an AH layer |
| 683 | assert(e.nh == socket.IPPROTO_AH) |
| 684 | assert(e.haslayer(AH)) |
| 685 | assert(e.haslayer(TCP)) |
| 686 | assert(e[AH].spi == sa.spi) |
| 687 | |
| 688 | * simulate the alteration of the packet before verification |
| 689 | e[TCP].dport = 46 |
| 690 | |
| 691 | * integrity verification should fail |
| 692 | try: |
| 693 | d = sa.decrypt(e) |
| 694 | assert(False) |
| 695 | except IPSecIntegrityError, err: |
| 696 | err |
| 697 | |
| 698 | ####################################### |
| 699 | = IPv6 / AH - Tunnel - HMAC-SHA1-96 |
| 700 | |
| 701 | p = IPv6(src='11::22', dst='22::11') |
| 702 | p /= TCP(sport=45012, dport=80) |
| 703 | p /= Raw('testdata') |
| 704 | p = IPv6(str(p)) |
| 705 | p |
| 706 | |
| 707 | sa = SecurityAssociation(AH, spi=0x222, |
| 708 | auth_algo='HMAC-SHA1-96', auth_key='secret key', |
| 709 | tunnel_header=IPv6(src='aa::bb', dst='bb::aa')) |
| 710 | |
| 711 | e = sa.encrypt(p) |
| 712 | e |
| 713 | |
| 714 | assert(isinstance(e, IPv6)) |
| 715 | * after encryption packet should be encapsulated with the given ip tunnel header |
| 716 | assert(e.src == 'aa::bb' and e.dst == 'bb::aa') |
| 717 | assert(e.nh == socket.IPPROTO_AH) |
| 718 | assert(e.haslayer(AH)) |
| 719 | assert(e.haslayer(TCP)) |
| 720 | assert(e[AH].spi == sa.spi) |
| 721 | |
| 722 | * alter mutable fields in the packet |
| 723 | e.hlim = 2 |
| 724 | |
| 725 | * integrity verification should pass |
| 726 | d = sa.decrypt(e) |
| 727 | d |
| 728 | |
| 729 | * after decryption the original packet payload should be unaltered |
| 730 | assert(d == p) |
| 731 | |
| 732 | ####################################### |
| 733 | = IPv6 / AH - Tunnel - HMAC-SHA1-96 - altered packet |
| 734 | |
| 735 | p = IPv6(src='11::22', dst='22::11') |
| 736 | p /= TCP(sport=45012, dport=80) |
| 737 | p /= Raw('testdata') |
| 738 | p = IPv6(str(p)) |
| 739 | p |
| 740 | |
| 741 | sa = SecurityAssociation(AH, spi=0x222, |
| 742 | auth_algo='HMAC-SHA1-96', auth_key='secret key', |
| 743 | tunnel_header=IPv6(src='aa::bb', dst='bb::aa')) |
| 744 | |
| 745 | e = sa.encrypt(p) |
| 746 | e |
| 747 | |
| 748 | assert(isinstance(e, IPv6)) |
| 749 | * after encryption packet should be encapsulated with the given ip tunnel header |
| 750 | assert(e.src == 'aa::bb' and e.dst == 'bb::aa') |
| 751 | assert(e.nh == socket.IPPROTO_AH) |
| 752 | assert(e.haslayer(AH)) |
| 753 | assert(e.haslayer(TCP)) |
| 754 | assert(e[AH].spi == sa.spi) |
| 755 | |
| 756 | * simulate the alteration of the packet before verification |
| 757 | e.src = 'cc::ee' |
| 758 | |
| 759 | * integrity verification should fail |
| 760 | try: |
| 761 | d = sa.decrypt(e) |
| 762 | assert(False) |
| 763 | except IPSecIntegrityError, err: |
| 764 | err |
| 765 | |
| 766 | ############################################################################### |
| 767 | + IPv6 + Extensions / AH |
| 768 | |
| 769 | ####################################### |
| 770 | = IPv6 + Extensions / AH - Transport |
| 771 | |
| 772 | p = IPv6(src='11::22', dst='22::11') |
| 773 | p /= IPv6ExtHdrHopByHop() |
| 774 | p /= IPv6ExtHdrDestOpt() |
| 775 | p /= IPv6ExtHdrRouting() |
| 776 | p /= IPv6ExtHdrDestOpt() |
| 777 | p /= IPv6ExtHdrFragment() |
| 778 | p /= TCP(sport=45012, dport=80) |
| 779 | p /= Raw('testdata') |
| 780 | p = IPv6(str(p)) |
| 781 | p |
| 782 | |
| 783 | sa = SecurityAssociation(AH, spi=0x222, |
| 784 | auth_algo='HMAC-SHA1-96', auth_key='secret key') |
| 785 | |
| 786 | e = sa.encrypt(p) |
| 787 | e |
| 788 | |
| 789 | assert(e.src == '11::22' and e.dst == '22::11') |
| 790 | * AH header should be inserted between the routing header and the dest options header |
| 791 | assert(isinstance(e[AH].underlayer, IPv6ExtHdrRouting)) |
| 792 | assert(isinstance(e[AH].payload, IPv6ExtHdrDestOpt)) |
| 793 | |
| 794 | ####################################### |
| 795 | = IPv6 + Routing Header / AH - Transport |
| 796 | |
| 797 | p = IPv6(src='11::22', dst='22::11') |
| 798 | p /= IPv6ExtHdrHopByHop() |
| 799 | p /= IPv6ExtHdrRouting(addresses=['aa::bb', 'cc::dd', 'ee::ff']) |
| 800 | p /= TCP(sport=45012, dport=80) |
| 801 | p /= Raw('testdata') |
| 802 | p = IPv6(str(p)) |
| 803 | p |
| 804 | |
| 805 | sa = SecurityAssociation(AH, spi=0x222, |
| 806 | auth_algo='HMAC-SHA1-96', auth_key='secret key') |
| 807 | |
| 808 | e = sa.encrypt(p) |
| 809 | e |
| 810 | |
| 811 | assert(e.src == '11::22' and e.dst == '22::11') |
| 812 | * AH header should be inserted between the routing header and TCP |
| 813 | assert(isinstance(e[AH].underlayer, IPv6ExtHdrRouting)) |
| 814 | assert(isinstance(e[AH].payload, TCP)) |
| 815 | |
| 816 | * reorder the routing header as the receiver will get it |
| 817 | final = e[IPv6ExtHdrRouting].addresses.pop() |
| 818 | e[IPv6ExtHdrRouting].addresses.insert(0, e.dst) |
| 819 | e.dst = final |
| 820 | e[IPv6ExtHdrRouting].segleft = 0 |
| 821 | |
| 822 | * integrity verification should pass |
| 823 | d = sa.decrypt(e) |
| 824 | d |