1 // SPDX-License-Identifier: GPL-2.0 2 3 #define _GNU_SOURCE 4 5 #include <arpa/inet.h> 6 #include <errno.h> 7 #include <error.h> 8 #include <fcntl.h> 9 #include <poll.h> 10 #include <stdio.h> 11 #include <stdlib.h> 12 #include <unistd.h> 13 14 #include <linux/tls.h> 15 #include <linux/tcp.h> 16 #include <linux/socket.h> 17 18 #include <sys/epoll.h> 19 #include <sys/types.h> 20 #include <sys/sendfile.h> 21 #include <sys/socket.h> 22 #include <sys/stat.h> 23 24 #include "../kselftest_harness.h" 25 26 #define TLS_PAYLOAD_MAX_LEN 16384 27 #define SOL_TLS 282 28 29 static int fips_enabled; 30 31 struct tls_crypto_info_keys { 32 union { 33 struct tls_crypto_info crypto_info; 34 struct tls12_crypto_info_aes_gcm_128 aes128; 35 struct tls12_crypto_info_chacha20_poly1305 chacha20; 36 struct tls12_crypto_info_sm4_gcm sm4gcm; 37 struct tls12_crypto_info_sm4_ccm sm4ccm; 38 struct tls12_crypto_info_aes_ccm_128 aesccm128; 39 struct tls12_crypto_info_aes_gcm_256 aesgcm256; 40 struct tls12_crypto_info_aria_gcm_128 ariagcm128; 41 struct tls12_crypto_info_aria_gcm_256 ariagcm256; 42 }; 43 size_t len; 44 }; 45 46 static void tls_crypto_info_init(uint16_t tls_version, uint16_t cipher_type, 47 struct tls_crypto_info_keys *tls12) 48 { 49 memset(tls12, 0, sizeof(*tls12)); 50 51 switch (cipher_type) { 52 case TLS_CIPHER_CHACHA20_POLY1305: 53 tls12->len = sizeof(struct tls12_crypto_info_chacha20_poly1305); 54 tls12->chacha20.info.version = tls_version; 55 tls12->chacha20.info.cipher_type = cipher_type; 56 break; 57 case TLS_CIPHER_AES_GCM_128: 58 tls12->len = sizeof(struct tls12_crypto_info_aes_gcm_128); 59 tls12->aes128.info.version = tls_version; 60 tls12->aes128.info.cipher_type = cipher_type; 61 break; 62 case TLS_CIPHER_SM4_GCM: 63 tls12->len = sizeof(struct tls12_crypto_info_sm4_gcm); 64 tls12->sm4gcm.info.version = tls_version; 65 tls12->sm4gcm.info.cipher_type = cipher_type; 66 break; 67 case TLS_CIPHER_SM4_CCM: 68 tls12->len = sizeof(struct tls12_crypto_info_sm4_ccm); 69 tls12->sm4ccm.info.version = tls_version; 70 tls12->sm4ccm.info.cipher_type = cipher_type; 71 break; 72 case TLS_CIPHER_AES_CCM_128: 73 tls12->len = sizeof(struct tls12_crypto_info_aes_ccm_128); 74 tls12->aesccm128.info.version = tls_version; 75 tls12->aesccm128.info.cipher_type = cipher_type; 76 break; 77 case TLS_CIPHER_AES_GCM_256: 78 tls12->len = sizeof(struct tls12_crypto_info_aes_gcm_256); 79 tls12->aesgcm256.info.version = tls_version; 80 tls12->aesgcm256.info.cipher_type = cipher_type; 81 break; 82 case TLS_CIPHER_ARIA_GCM_128: 83 tls12->len = sizeof(struct tls12_crypto_info_aria_gcm_128); 84 tls12->ariagcm128.info.version = tls_version; 85 tls12->ariagcm128.info.cipher_type = cipher_type; 86 break; 87 case TLS_CIPHER_ARIA_GCM_256: 88 tls12->len = sizeof(struct tls12_crypto_info_aria_gcm_256); 89 tls12->ariagcm256.info.version = tls_version; 90 tls12->ariagcm256.info.cipher_type = cipher_type; 91 break; 92 default: 93 break; 94 } 95 } 96 97 static void memrnd(void *s, size_t n) 98 { 99 int *dword = s; 100 char *byte; 101 102 for (; n >= 4; n -= 4) 103 *dword++ = rand(); 104 byte = (void *)dword; 105 while (n--) 106 *byte++ = rand(); 107 } 108 109 static void ulp_sock_pair(struct __test_metadata *_metadata, 110 int *fd, int *cfd, bool *notls) 111 { 112 struct sockaddr_in addr; 113 socklen_t len; 114 int sfd, ret; 115 116 *notls = false; 117 len = sizeof(addr); 118 119 addr.sin_family = AF_INET; 120 addr.sin_addr.s_addr = htonl(INADDR_ANY); 121 addr.sin_port = 0; 122 123 *fd = socket(AF_INET, SOCK_STREAM, 0); 124 sfd = socket(AF_INET, SOCK_STREAM, 0); 125 126 ret = bind(sfd, &addr, sizeof(addr)); 127 ASSERT_EQ(ret, 0); 128 ret = listen(sfd, 10); 129 ASSERT_EQ(ret, 0); 130 131 ret = getsockname(sfd, &addr, &len); 132 ASSERT_EQ(ret, 0); 133 134 ret = connect(*fd, &addr, sizeof(addr)); 135 ASSERT_EQ(ret, 0); 136 137 *cfd = accept(sfd, &addr, &len); 138 ASSERT_GE(*cfd, 0); 139 140 close(sfd); 141 142 ret = setsockopt(*fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); 143 if (ret != 0) { 144 ASSERT_EQ(errno, ENOENT); 145 *notls = true; 146 printf("Failure setting TCP_ULP, testing without tls\n"); 147 return; 148 } 149 150 ret = setsockopt(*cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); 151 ASSERT_EQ(ret, 0); 152 } 153 154 /* Produce a basic cmsg */ 155 static int tls_send_cmsg(int fd, unsigned char record_type, 156 void *data, size_t len, int flags) 157 { 158 char cbuf[CMSG_SPACE(sizeof(char))]; 159 int cmsg_len = sizeof(char); 160 struct cmsghdr *cmsg; 161 struct msghdr msg; 162 struct iovec vec; 163 164 vec.iov_base = data; 165 vec.iov_len = len; 166 memset(&msg, 0, sizeof(struct msghdr)); 167 msg.msg_iov = &vec; 168 msg.msg_iovlen = 1; 169 msg.msg_control = cbuf; 170 msg.msg_controllen = sizeof(cbuf); 171 cmsg = CMSG_FIRSTHDR(&msg); 172 cmsg->cmsg_level = SOL_TLS; 173 /* test sending non-record types. */ 174 cmsg->cmsg_type = TLS_SET_RECORD_TYPE; 175 cmsg->cmsg_len = CMSG_LEN(cmsg_len); 176 *CMSG_DATA(cmsg) = record_type; 177 msg.msg_controllen = cmsg->cmsg_len; 178 179 return sendmsg(fd, &msg, flags); 180 } 181 182 static int tls_recv_cmsg(struct __test_metadata *_metadata, 183 int fd, unsigned char record_type, 184 void *data, size_t len, int flags) 185 { 186 char cbuf[CMSG_SPACE(sizeof(char))]; 187 struct cmsghdr *cmsg; 188 unsigned char ctype; 189 struct msghdr msg; 190 struct iovec vec; 191 int n; 192 193 vec.iov_base = data; 194 vec.iov_len = len; 195 memset(&msg, 0, sizeof(struct msghdr)); 196 msg.msg_iov = &vec; 197 msg.msg_iovlen = 1; 198 msg.msg_control = cbuf; 199 msg.msg_controllen = sizeof(cbuf); 200 201 n = recvmsg(fd, &msg, flags); 202 203 cmsg = CMSG_FIRSTHDR(&msg); 204 EXPECT_NE(cmsg, NULL); 205 EXPECT_EQ(cmsg->cmsg_level, SOL_TLS); 206 EXPECT_EQ(cmsg->cmsg_type, TLS_GET_RECORD_TYPE); 207 ctype = *((unsigned char *)CMSG_DATA(cmsg)); 208 EXPECT_EQ(ctype, record_type); 209 210 return n; 211 } 212 213 FIXTURE(tls_basic) 214 { 215 int fd, cfd; 216 bool notls; 217 }; 218 219 FIXTURE_SETUP(tls_basic) 220 { 221 ulp_sock_pair(_metadata, &self->fd, &self->cfd, &self->notls); 222 } 223 224 FIXTURE_TEARDOWN(tls_basic) 225 { 226 close(self->fd); 227 close(self->cfd); 228 } 229 230 /* Send some data through with ULP but no keys */ 231 TEST_F(tls_basic, base_base) 232 { 233 char const *test_str = "test_read"; 234 int send_len = 10; 235 char buf[10]; 236 237 ASSERT_EQ(strlen(test_str) + 1, send_len); 238 239 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 240 EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1); 241 EXPECT_EQ(memcmp(buf, test_str, send_len), 0); 242 }; 243 244 TEST_F(tls_basic, bad_cipher) 245 { 246 struct tls_crypto_info_keys tls12; 247 248 tls12.crypto_info.version = 200; 249 tls12.crypto_info.cipher_type = TLS_CIPHER_AES_GCM_128; 250 EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1); 251 252 tls12.crypto_info.version = TLS_1_2_VERSION; 253 tls12.crypto_info.cipher_type = 50; 254 EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1); 255 256 tls12.crypto_info.version = TLS_1_2_VERSION; 257 tls12.crypto_info.cipher_type = 59; 258 EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1); 259 260 tls12.crypto_info.version = TLS_1_2_VERSION; 261 tls12.crypto_info.cipher_type = 10; 262 EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1); 263 264 tls12.crypto_info.version = TLS_1_2_VERSION; 265 tls12.crypto_info.cipher_type = 70; 266 EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1); 267 } 268 269 FIXTURE(tls) 270 { 271 int fd, cfd; 272 bool notls; 273 }; 274 275 FIXTURE_VARIANT(tls) 276 { 277 uint16_t tls_version; 278 uint16_t cipher_type; 279 bool nopad, fips_non_compliant; 280 }; 281 282 FIXTURE_VARIANT_ADD(tls, 12_aes_gcm) 283 { 284 .tls_version = TLS_1_2_VERSION, 285 .cipher_type = TLS_CIPHER_AES_GCM_128, 286 }; 287 288 FIXTURE_VARIANT_ADD(tls, 13_aes_gcm) 289 { 290 .tls_version = TLS_1_3_VERSION, 291 .cipher_type = TLS_CIPHER_AES_GCM_128, 292 }; 293 294 FIXTURE_VARIANT_ADD(tls, 12_chacha) 295 { 296 .tls_version = TLS_1_2_VERSION, 297 .cipher_type = TLS_CIPHER_CHACHA20_POLY1305, 298 .fips_non_compliant = true, 299 }; 300 301 FIXTURE_VARIANT_ADD(tls, 13_chacha) 302 { 303 .tls_version = TLS_1_3_VERSION, 304 .cipher_type = TLS_CIPHER_CHACHA20_POLY1305, 305 .fips_non_compliant = true, 306 }; 307 308 FIXTURE_VARIANT_ADD(tls, 13_sm4_gcm) 309 { 310 .tls_version = TLS_1_3_VERSION, 311 .cipher_type = TLS_CIPHER_SM4_GCM, 312 .fips_non_compliant = true, 313 }; 314 315 FIXTURE_VARIANT_ADD(tls, 13_sm4_ccm) 316 { 317 .tls_version = TLS_1_3_VERSION, 318 .cipher_type = TLS_CIPHER_SM4_CCM, 319 .fips_non_compliant = true, 320 }; 321 322 FIXTURE_VARIANT_ADD(tls, 12_aes_ccm) 323 { 324 .tls_version = TLS_1_2_VERSION, 325 .cipher_type = TLS_CIPHER_AES_CCM_128, 326 }; 327 328 FIXTURE_VARIANT_ADD(tls, 13_aes_ccm) 329 { 330 .tls_version = TLS_1_3_VERSION, 331 .cipher_type = TLS_CIPHER_AES_CCM_128, 332 }; 333 334 FIXTURE_VARIANT_ADD(tls, 12_aes_gcm_256) 335 { 336 .tls_version = TLS_1_2_VERSION, 337 .cipher_type = TLS_CIPHER_AES_GCM_256, 338 }; 339 340 FIXTURE_VARIANT_ADD(tls, 13_aes_gcm_256) 341 { 342 .tls_version = TLS_1_3_VERSION, 343 .cipher_type = TLS_CIPHER_AES_GCM_256, 344 }; 345 346 FIXTURE_VARIANT_ADD(tls, 13_nopad) 347 { 348 .tls_version = TLS_1_3_VERSION, 349 .cipher_type = TLS_CIPHER_AES_GCM_128, 350 .nopad = true, 351 }; 352 353 FIXTURE_VARIANT_ADD(tls, 12_aria_gcm) 354 { 355 .tls_version = TLS_1_2_VERSION, 356 .cipher_type = TLS_CIPHER_ARIA_GCM_128, 357 }; 358 359 FIXTURE_VARIANT_ADD(tls, 12_aria_gcm_256) 360 { 361 .tls_version = TLS_1_2_VERSION, 362 .cipher_type = TLS_CIPHER_ARIA_GCM_256, 363 }; 364 365 FIXTURE_SETUP(tls) 366 { 367 struct tls_crypto_info_keys tls12; 368 int one = 1; 369 int ret; 370 371 if (fips_enabled && variant->fips_non_compliant) 372 SKIP(return, "Unsupported cipher in FIPS mode"); 373 374 tls_crypto_info_init(variant->tls_version, variant->cipher_type, 375 &tls12); 376 377 ulp_sock_pair(_metadata, &self->fd, &self->cfd, &self->notls); 378 379 if (self->notls) 380 return; 381 382 ret = setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, tls12.len); 383 ASSERT_EQ(ret, 0); 384 385 ret = setsockopt(self->cfd, SOL_TLS, TLS_RX, &tls12, tls12.len); 386 ASSERT_EQ(ret, 0); 387 388 if (variant->nopad) { 389 ret = setsockopt(self->cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD, 390 (void *)&one, sizeof(one)); 391 ASSERT_EQ(ret, 0); 392 } 393 } 394 395 FIXTURE_TEARDOWN(tls) 396 { 397 close(self->fd); 398 close(self->cfd); 399 } 400 401 TEST_F(tls, sendfile) 402 { 403 int filefd = open("/proc/self/exe", O_RDONLY); 404 struct stat st; 405 406 EXPECT_GE(filefd, 0); 407 fstat(filefd, &st); 408 EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0); 409 } 410 411 TEST_F(tls, send_then_sendfile) 412 { 413 int filefd = open("/proc/self/exe", O_RDONLY); 414 char const *test_str = "test_send"; 415 int to_send = strlen(test_str) + 1; 416 char recv_buf[10]; 417 struct stat st; 418 char *buf; 419 420 EXPECT_GE(filefd, 0); 421 fstat(filefd, &st); 422 buf = (char *)malloc(st.st_size); 423 424 EXPECT_EQ(send(self->fd, test_str, to_send, 0), to_send); 425 EXPECT_EQ(recv(self->cfd, recv_buf, to_send, MSG_WAITALL), to_send); 426 EXPECT_EQ(memcmp(test_str, recv_buf, to_send), 0); 427 428 EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0); 429 EXPECT_EQ(recv(self->cfd, buf, st.st_size, MSG_WAITALL), st.st_size); 430 } 431 432 static void chunked_sendfile(struct __test_metadata *_metadata, 433 struct _test_data_tls *self, 434 uint16_t chunk_size, 435 uint16_t extra_payload_size) 436 { 437 char buf[TLS_PAYLOAD_MAX_LEN]; 438 uint16_t test_payload_size; 439 int size = 0; 440 int ret; 441 char filename[] = "/tmp/mytemp.XXXXXX"; 442 int fd = mkstemp(filename); 443 off_t offset = 0; 444 445 unlink(filename); 446 ASSERT_GE(fd, 0); 447 EXPECT_GE(chunk_size, 1); 448 test_payload_size = chunk_size + extra_payload_size; 449 ASSERT_GE(TLS_PAYLOAD_MAX_LEN, test_payload_size); 450 memset(buf, 1, test_payload_size); 451 size = write(fd, buf, test_payload_size); 452 EXPECT_EQ(size, test_payload_size); 453 fsync(fd); 454 455 while (size > 0) { 456 ret = sendfile(self->fd, fd, &offset, chunk_size); 457 EXPECT_GE(ret, 0); 458 size -= ret; 459 } 460 461 EXPECT_EQ(recv(self->cfd, buf, test_payload_size, MSG_WAITALL), 462 test_payload_size); 463 464 close(fd); 465 } 466 467 TEST_F(tls, multi_chunk_sendfile) 468 { 469 chunked_sendfile(_metadata, self, 4096, 4096); 470 chunked_sendfile(_metadata, self, 4096, 0); 471 chunked_sendfile(_metadata, self, 4096, 1); 472 chunked_sendfile(_metadata, self, 4096, 2048); 473 chunked_sendfile(_metadata, self, 8192, 2048); 474 chunked_sendfile(_metadata, self, 4096, 8192); 475 chunked_sendfile(_metadata, self, 8192, 4096); 476 chunked_sendfile(_metadata, self, 12288, 1024); 477 chunked_sendfile(_metadata, self, 12288, 2000); 478 chunked_sendfile(_metadata, self, 15360, 100); 479 chunked_sendfile(_metadata, self, 15360, 300); 480 chunked_sendfile(_metadata, self, 1, 4096); 481 chunked_sendfile(_metadata, self, 2048, 4096); 482 chunked_sendfile(_metadata, self, 2048, 8192); 483 chunked_sendfile(_metadata, self, 4096, 8192); 484 chunked_sendfile(_metadata, self, 1024, 12288); 485 chunked_sendfile(_metadata, self, 2000, 12288); 486 chunked_sendfile(_metadata, self, 100, 15360); 487 chunked_sendfile(_metadata, self, 300, 15360); 488 } 489 490 TEST_F(tls, recv_max) 491 { 492 unsigned int send_len = TLS_PAYLOAD_MAX_LEN; 493 char recv_mem[TLS_PAYLOAD_MAX_LEN]; 494 char buf[TLS_PAYLOAD_MAX_LEN]; 495 496 memrnd(buf, sizeof(buf)); 497 498 EXPECT_GE(send(self->fd, buf, send_len, 0), 0); 499 EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1); 500 EXPECT_EQ(memcmp(buf, recv_mem, send_len), 0); 501 } 502 503 TEST_F(tls, recv_small) 504 { 505 char const *test_str = "test_read"; 506 int send_len = 10; 507 char buf[10]; 508 509 send_len = strlen(test_str) + 1; 510 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 511 EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1); 512 EXPECT_EQ(memcmp(buf, test_str, send_len), 0); 513 } 514 515 TEST_F(tls, msg_more) 516 { 517 char const *test_str = "test_read"; 518 int send_len = 10; 519 char buf[10 * 2]; 520 521 EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len); 522 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1); 523 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 524 EXPECT_EQ(recv(self->cfd, buf, send_len * 2, MSG_WAITALL), 525 send_len * 2); 526 EXPECT_EQ(memcmp(buf, test_str, send_len), 0); 527 } 528 529 TEST_F(tls, msg_more_unsent) 530 { 531 char const *test_str = "test_read"; 532 int send_len = 10; 533 char buf[10]; 534 535 EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len); 536 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1); 537 } 538 539 TEST_F(tls, msg_eor) 540 { 541 char const *test_str = "test_read"; 542 int send_len = 10; 543 char buf[10]; 544 545 EXPECT_EQ(send(self->fd, test_str, send_len, MSG_EOR), send_len); 546 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len); 547 EXPECT_EQ(memcmp(buf, test_str, send_len), 0); 548 } 549 550 TEST_F(tls, sendmsg_single) 551 { 552 struct msghdr msg; 553 554 char const *test_str = "test_sendmsg"; 555 size_t send_len = 13; 556 struct iovec vec; 557 char buf[13]; 558 559 vec.iov_base = (char *)test_str; 560 vec.iov_len = send_len; 561 memset(&msg, 0, sizeof(struct msghdr)); 562 msg.msg_iov = &vec; 563 msg.msg_iovlen = 1; 564 EXPECT_EQ(sendmsg(self->fd, &msg, 0), send_len); 565 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len); 566 EXPECT_EQ(memcmp(buf, test_str, send_len), 0); 567 } 568 569 #define MAX_FRAGS 64 570 #define SEND_LEN 13 571 TEST_F(tls, sendmsg_fragmented) 572 { 573 char const *test_str = "test_sendmsg"; 574 char buf[SEND_LEN * MAX_FRAGS]; 575 struct iovec vec[MAX_FRAGS]; 576 struct msghdr msg; 577 int i, frags; 578 579 for (frags = 1; frags <= MAX_FRAGS; frags++) { 580 for (i = 0; i < frags; i++) { 581 vec[i].iov_base = (char *)test_str; 582 vec[i].iov_len = SEND_LEN; 583 } 584 585 memset(&msg, 0, sizeof(struct msghdr)); 586 msg.msg_iov = vec; 587 msg.msg_iovlen = frags; 588 589 EXPECT_EQ(sendmsg(self->fd, &msg, 0), SEND_LEN * frags); 590 EXPECT_EQ(recv(self->cfd, buf, SEND_LEN * frags, MSG_WAITALL), 591 SEND_LEN * frags); 592 593 for (i = 0; i < frags; i++) 594 EXPECT_EQ(memcmp(buf + SEND_LEN * i, 595 test_str, SEND_LEN), 0); 596 } 597 } 598 #undef MAX_FRAGS 599 #undef SEND_LEN 600 601 TEST_F(tls, sendmsg_large) 602 { 603 void *mem = malloc(16384); 604 size_t send_len = 16384; 605 size_t sends = 128; 606 struct msghdr msg; 607 size_t recvs = 0; 608 size_t sent = 0; 609 610 memset(&msg, 0, sizeof(struct msghdr)); 611 while (sent++ < sends) { 612 struct iovec vec = { (void *)mem, send_len }; 613 614 msg.msg_iov = &vec; 615 msg.msg_iovlen = 1; 616 EXPECT_EQ(sendmsg(self->fd, &msg, 0), send_len); 617 } 618 619 while (recvs++ < sends) { 620 EXPECT_NE(recv(self->cfd, mem, send_len, 0), -1); 621 } 622 623 free(mem); 624 } 625 626 TEST_F(tls, sendmsg_multiple) 627 { 628 char const *test_str = "test_sendmsg_multiple"; 629 struct iovec vec[5]; 630 char *test_strs[5]; 631 struct msghdr msg; 632 int total_len = 0; 633 int len_cmp = 0; 634 int iov_len = 5; 635 char *buf; 636 int i; 637 638 memset(&msg, 0, sizeof(struct msghdr)); 639 for (i = 0; i < iov_len; i++) { 640 test_strs[i] = (char *)malloc(strlen(test_str) + 1); 641 snprintf(test_strs[i], strlen(test_str) + 1, "%s", test_str); 642 vec[i].iov_base = (void *)test_strs[i]; 643 vec[i].iov_len = strlen(test_strs[i]) + 1; 644 total_len += vec[i].iov_len; 645 } 646 msg.msg_iov = vec; 647 msg.msg_iovlen = iov_len; 648 649 EXPECT_EQ(sendmsg(self->fd, &msg, 0), total_len); 650 buf = malloc(total_len); 651 EXPECT_NE(recv(self->cfd, buf, total_len, 0), -1); 652 for (i = 0; i < iov_len; i++) { 653 EXPECT_EQ(memcmp(test_strs[i], buf + len_cmp, 654 strlen(test_strs[i])), 655 0); 656 len_cmp += strlen(buf + len_cmp) + 1; 657 } 658 for (i = 0; i < iov_len; i++) 659 free(test_strs[i]); 660 free(buf); 661 } 662 663 TEST_F(tls, sendmsg_multiple_stress) 664 { 665 char const *test_str = "abcdefghijklmno"; 666 struct iovec vec[1024]; 667 char *test_strs[1024]; 668 int iov_len = 1024; 669 int total_len = 0; 670 char buf[1 << 14]; 671 struct msghdr msg; 672 int len_cmp = 0; 673 int i; 674 675 memset(&msg, 0, sizeof(struct msghdr)); 676 for (i = 0; i < iov_len; i++) { 677 test_strs[i] = (char *)malloc(strlen(test_str) + 1); 678 snprintf(test_strs[i], strlen(test_str) + 1, "%s", test_str); 679 vec[i].iov_base = (void *)test_strs[i]; 680 vec[i].iov_len = strlen(test_strs[i]) + 1; 681 total_len += vec[i].iov_len; 682 } 683 msg.msg_iov = vec; 684 msg.msg_iovlen = iov_len; 685 686 EXPECT_EQ(sendmsg(self->fd, &msg, 0), total_len); 687 EXPECT_NE(recv(self->cfd, buf, total_len, 0), -1); 688 689 for (i = 0; i < iov_len; i++) 690 len_cmp += strlen(buf + len_cmp) + 1; 691 692 for (i = 0; i < iov_len; i++) 693 free(test_strs[i]); 694 } 695 696 TEST_F(tls, splice_from_pipe) 697 { 698 int send_len = TLS_PAYLOAD_MAX_LEN; 699 char mem_send[TLS_PAYLOAD_MAX_LEN]; 700 char mem_recv[TLS_PAYLOAD_MAX_LEN]; 701 int p[2]; 702 703 ASSERT_GE(pipe(p), 0); 704 EXPECT_GE(write(p[1], mem_send, send_len), 0); 705 EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), 0); 706 EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len); 707 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0); 708 } 709 710 TEST_F(tls, splice_more) 711 { 712 unsigned int f = SPLICE_F_NONBLOCK | SPLICE_F_MORE | SPLICE_F_GIFT; 713 int send_len = TLS_PAYLOAD_MAX_LEN; 714 char mem_send[TLS_PAYLOAD_MAX_LEN]; 715 int i, send_pipe = 1; 716 int p[2]; 717 718 ASSERT_GE(pipe(p), 0); 719 EXPECT_GE(write(p[1], mem_send, send_len), 0); 720 for (i = 0; i < 32; i++) 721 EXPECT_EQ(splice(p[0], NULL, self->fd, NULL, send_pipe, f), 1); 722 } 723 724 TEST_F(tls, splice_from_pipe2) 725 { 726 int send_len = 16000; 727 char mem_send[16000]; 728 char mem_recv[16000]; 729 int p2[2]; 730 int p[2]; 731 732 memrnd(mem_send, sizeof(mem_send)); 733 734 ASSERT_GE(pipe(p), 0); 735 ASSERT_GE(pipe(p2), 0); 736 EXPECT_EQ(write(p[1], mem_send, 8000), 8000); 737 EXPECT_EQ(splice(p[0], NULL, self->fd, NULL, 8000, 0), 8000); 738 EXPECT_EQ(write(p2[1], mem_send + 8000, 8000), 8000); 739 EXPECT_EQ(splice(p2[0], NULL, self->fd, NULL, 8000, 0), 8000); 740 EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len); 741 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0); 742 } 743 744 TEST_F(tls, send_and_splice) 745 { 746 int send_len = TLS_PAYLOAD_MAX_LEN; 747 char mem_send[TLS_PAYLOAD_MAX_LEN]; 748 char mem_recv[TLS_PAYLOAD_MAX_LEN]; 749 char const *test_str = "test_read"; 750 int send_len2 = 10; 751 char buf[10]; 752 int p[2]; 753 754 ASSERT_GE(pipe(p), 0); 755 EXPECT_EQ(send(self->fd, test_str, send_len2, 0), send_len2); 756 EXPECT_EQ(recv(self->cfd, buf, send_len2, MSG_WAITALL), send_len2); 757 EXPECT_EQ(memcmp(test_str, buf, send_len2), 0); 758 759 EXPECT_GE(write(p[1], mem_send, send_len), send_len); 760 EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), send_len); 761 762 EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len); 763 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0); 764 } 765 766 TEST_F(tls, splice_to_pipe) 767 { 768 int send_len = TLS_PAYLOAD_MAX_LEN; 769 char mem_send[TLS_PAYLOAD_MAX_LEN]; 770 char mem_recv[TLS_PAYLOAD_MAX_LEN]; 771 int p[2]; 772 773 memrnd(mem_send, sizeof(mem_send)); 774 775 ASSERT_GE(pipe(p), 0); 776 EXPECT_EQ(send(self->fd, mem_send, send_len, 0), send_len); 777 EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), send_len); 778 EXPECT_EQ(read(p[0], mem_recv, send_len), send_len); 779 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0); 780 } 781 782 TEST_F(tls, splice_cmsg_to_pipe) 783 { 784 char *test_str = "test_read"; 785 char record_type = 100; 786 int send_len = 10; 787 char buf[10]; 788 int p[2]; 789 790 if (self->notls) 791 SKIP(return, "no TLS support"); 792 793 ASSERT_GE(pipe(p), 0); 794 EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10); 795 EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), -1); 796 EXPECT_EQ(errno, EINVAL); 797 EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1); 798 EXPECT_EQ(errno, EIO); 799 EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type, 800 buf, sizeof(buf), MSG_WAITALL), 801 send_len); 802 EXPECT_EQ(memcmp(test_str, buf, send_len), 0); 803 } 804 805 TEST_F(tls, splice_dec_cmsg_to_pipe) 806 { 807 char *test_str = "test_read"; 808 char record_type = 100; 809 int send_len = 10; 810 char buf[10]; 811 int p[2]; 812 813 if (self->notls) 814 SKIP(return, "no TLS support"); 815 816 ASSERT_GE(pipe(p), 0); 817 EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10); 818 EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1); 819 EXPECT_EQ(errno, EIO); 820 EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), -1); 821 EXPECT_EQ(errno, EINVAL); 822 EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type, 823 buf, sizeof(buf), MSG_WAITALL), 824 send_len); 825 EXPECT_EQ(memcmp(test_str, buf, send_len), 0); 826 } 827 828 TEST_F(tls, recv_and_splice) 829 { 830 int send_len = TLS_PAYLOAD_MAX_LEN; 831 char mem_send[TLS_PAYLOAD_MAX_LEN]; 832 char mem_recv[TLS_PAYLOAD_MAX_LEN]; 833 int half = send_len / 2; 834 int p[2]; 835 836 ASSERT_GE(pipe(p), 0); 837 EXPECT_EQ(send(self->fd, mem_send, send_len, 0), send_len); 838 /* Recv hald of the record, splice the other half */ 839 EXPECT_EQ(recv(self->cfd, mem_recv, half, MSG_WAITALL), half); 840 EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, half, SPLICE_F_NONBLOCK), 841 half); 842 EXPECT_EQ(read(p[0], &mem_recv[half], half), half); 843 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0); 844 } 845 846 TEST_F(tls, peek_and_splice) 847 { 848 int send_len = TLS_PAYLOAD_MAX_LEN; 849 char mem_send[TLS_PAYLOAD_MAX_LEN]; 850 char mem_recv[TLS_PAYLOAD_MAX_LEN]; 851 int chunk = TLS_PAYLOAD_MAX_LEN / 4; 852 int n, i, p[2]; 853 854 memrnd(mem_send, sizeof(mem_send)); 855 856 ASSERT_GE(pipe(p), 0); 857 for (i = 0; i < 4; i++) 858 EXPECT_EQ(send(self->fd, &mem_send[chunk * i], chunk, 0), 859 chunk); 860 861 EXPECT_EQ(recv(self->cfd, mem_recv, chunk * 5 / 2, 862 MSG_WAITALL | MSG_PEEK), 863 chunk * 5 / 2); 864 EXPECT_EQ(memcmp(mem_send, mem_recv, chunk * 5 / 2), 0); 865 866 n = 0; 867 while (n < send_len) { 868 i = splice(self->cfd, NULL, p[1], NULL, send_len - n, 0); 869 EXPECT_GT(i, 0); 870 n += i; 871 } 872 EXPECT_EQ(n, send_len); 873 EXPECT_EQ(read(p[0], mem_recv, send_len), send_len); 874 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0); 875 } 876 877 TEST_F(tls, recvmsg_single) 878 { 879 char const *test_str = "test_recvmsg_single"; 880 int send_len = strlen(test_str) + 1; 881 char buf[20]; 882 struct msghdr hdr; 883 struct iovec vec; 884 885 memset(&hdr, 0, sizeof(hdr)); 886 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 887 vec.iov_base = (char *)buf; 888 vec.iov_len = send_len; 889 hdr.msg_iovlen = 1; 890 hdr.msg_iov = &vec; 891 EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1); 892 EXPECT_EQ(memcmp(test_str, buf, send_len), 0); 893 } 894 895 TEST_F(tls, recvmsg_single_max) 896 { 897 int send_len = TLS_PAYLOAD_MAX_LEN; 898 char send_mem[TLS_PAYLOAD_MAX_LEN]; 899 char recv_mem[TLS_PAYLOAD_MAX_LEN]; 900 struct iovec vec; 901 struct msghdr hdr; 902 903 memrnd(send_mem, sizeof(send_mem)); 904 905 EXPECT_EQ(send(self->fd, send_mem, send_len, 0), send_len); 906 vec.iov_base = (char *)recv_mem; 907 vec.iov_len = TLS_PAYLOAD_MAX_LEN; 908 909 hdr.msg_iovlen = 1; 910 hdr.msg_iov = &vec; 911 EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1); 912 EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0); 913 } 914 915 TEST_F(tls, recvmsg_multiple) 916 { 917 unsigned int msg_iovlen = 1024; 918 struct iovec vec[1024]; 919 char *iov_base[1024]; 920 unsigned int iov_len = 16; 921 int send_len = 1 << 14; 922 char buf[1 << 14]; 923 struct msghdr hdr; 924 int i; 925 926 memrnd(buf, sizeof(buf)); 927 928 EXPECT_EQ(send(self->fd, buf, send_len, 0), send_len); 929 for (i = 0; i < msg_iovlen; i++) { 930 iov_base[i] = (char *)malloc(iov_len); 931 vec[i].iov_base = iov_base[i]; 932 vec[i].iov_len = iov_len; 933 } 934 935 hdr.msg_iovlen = msg_iovlen; 936 hdr.msg_iov = vec; 937 EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1); 938 939 for (i = 0; i < msg_iovlen; i++) 940 free(iov_base[i]); 941 } 942 943 TEST_F(tls, single_send_multiple_recv) 944 { 945 unsigned int total_len = TLS_PAYLOAD_MAX_LEN * 2; 946 unsigned int send_len = TLS_PAYLOAD_MAX_LEN; 947 char send_mem[TLS_PAYLOAD_MAX_LEN * 2]; 948 char recv_mem[TLS_PAYLOAD_MAX_LEN * 2]; 949 950 memrnd(send_mem, sizeof(send_mem)); 951 952 EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0); 953 memset(recv_mem, 0, total_len); 954 955 EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1); 956 EXPECT_NE(recv(self->cfd, recv_mem + send_len, send_len, 0), -1); 957 EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0); 958 } 959 960 TEST_F(tls, multiple_send_single_recv) 961 { 962 unsigned int total_len = 2 * 10; 963 unsigned int send_len = 10; 964 char recv_mem[2 * 10]; 965 char send_mem[10]; 966 967 memrnd(send_mem, sizeof(send_mem)); 968 969 EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0); 970 EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0); 971 memset(recv_mem, 0, total_len); 972 EXPECT_EQ(recv(self->cfd, recv_mem, total_len, MSG_WAITALL), total_len); 973 974 EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0); 975 EXPECT_EQ(memcmp(send_mem, recv_mem + send_len, send_len), 0); 976 } 977 978 TEST_F(tls, single_send_multiple_recv_non_align) 979 { 980 const unsigned int total_len = 15; 981 const unsigned int recv_len = 10; 982 char recv_mem[recv_len * 2]; 983 char send_mem[total_len]; 984 985 memrnd(send_mem, sizeof(send_mem)); 986 987 EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0); 988 memset(recv_mem, 0, total_len); 989 990 EXPECT_EQ(recv(self->cfd, recv_mem, recv_len, 0), recv_len); 991 EXPECT_EQ(recv(self->cfd, recv_mem + recv_len, recv_len, 0), 5); 992 EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0); 993 } 994 995 TEST_F(tls, recv_partial) 996 { 997 char const *test_str = "test_read_partial"; 998 char const *test_str_first = "test_read"; 999 char const *test_str_second = "_partial"; 1000 int send_len = strlen(test_str) + 1; 1001 char recv_mem[18]; 1002 1003 memset(recv_mem, 0, sizeof(recv_mem)); 1004 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 1005 EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_first), 1006 MSG_WAITALL), -1); 1007 EXPECT_EQ(memcmp(test_str_first, recv_mem, strlen(test_str_first)), 0); 1008 memset(recv_mem, 0, sizeof(recv_mem)); 1009 EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_second), 1010 MSG_WAITALL), -1); 1011 EXPECT_EQ(memcmp(test_str_second, recv_mem, strlen(test_str_second)), 1012 0); 1013 } 1014 1015 TEST_F(tls, recv_nonblock) 1016 { 1017 char buf[4096]; 1018 bool err; 1019 1020 EXPECT_EQ(recv(self->cfd, buf, sizeof(buf), MSG_DONTWAIT), -1); 1021 err = (errno == EAGAIN || errno == EWOULDBLOCK); 1022 EXPECT_EQ(err, true); 1023 } 1024 1025 TEST_F(tls, recv_peek) 1026 { 1027 char const *test_str = "test_read_peek"; 1028 int send_len = strlen(test_str) + 1; 1029 char buf[15]; 1030 1031 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 1032 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_PEEK), send_len); 1033 EXPECT_EQ(memcmp(test_str, buf, send_len), 0); 1034 memset(buf, 0, sizeof(buf)); 1035 EXPECT_EQ(recv(self->cfd, buf, send_len, 0), send_len); 1036 EXPECT_EQ(memcmp(test_str, buf, send_len), 0); 1037 } 1038 1039 TEST_F(tls, recv_peek_multiple) 1040 { 1041 char const *test_str = "test_read_peek"; 1042 int send_len = strlen(test_str) + 1; 1043 unsigned int num_peeks = 100; 1044 char buf[15]; 1045 int i; 1046 1047 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 1048 for (i = 0; i < num_peeks; i++) { 1049 EXPECT_NE(recv(self->cfd, buf, send_len, MSG_PEEK), -1); 1050 EXPECT_EQ(memcmp(test_str, buf, send_len), 0); 1051 memset(buf, 0, sizeof(buf)); 1052 } 1053 EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1); 1054 EXPECT_EQ(memcmp(test_str, buf, send_len), 0); 1055 } 1056 1057 TEST_F(tls, recv_peek_multiple_records) 1058 { 1059 char const *test_str = "test_read_peek_mult_recs"; 1060 char const *test_str_first = "test_read_peek"; 1061 char const *test_str_second = "_mult_recs"; 1062 int len; 1063 char buf[64]; 1064 1065 len = strlen(test_str_first); 1066 EXPECT_EQ(send(self->fd, test_str_first, len, 0), len); 1067 1068 len = strlen(test_str_second) + 1; 1069 EXPECT_EQ(send(self->fd, test_str_second, len, 0), len); 1070 1071 len = strlen(test_str_first); 1072 memset(buf, 0, len); 1073 EXPECT_EQ(recv(self->cfd, buf, len, MSG_PEEK | MSG_WAITALL), len); 1074 1075 /* MSG_PEEK can only peek into the current record. */ 1076 len = strlen(test_str_first); 1077 EXPECT_EQ(memcmp(test_str_first, buf, len), 0); 1078 1079 len = strlen(test_str) + 1; 1080 memset(buf, 0, len); 1081 EXPECT_EQ(recv(self->cfd, buf, len, MSG_WAITALL), len); 1082 1083 /* Non-MSG_PEEK will advance strparser (and therefore record) 1084 * however. 1085 */ 1086 len = strlen(test_str) + 1; 1087 EXPECT_EQ(memcmp(test_str, buf, len), 0); 1088 1089 /* MSG_MORE will hold current record open, so later MSG_PEEK 1090 * will see everything. 1091 */ 1092 len = strlen(test_str_first); 1093 EXPECT_EQ(send(self->fd, test_str_first, len, MSG_MORE), len); 1094 1095 len = strlen(test_str_second) + 1; 1096 EXPECT_EQ(send(self->fd, test_str_second, len, 0), len); 1097 1098 len = strlen(test_str) + 1; 1099 memset(buf, 0, len); 1100 EXPECT_EQ(recv(self->cfd, buf, len, MSG_PEEK | MSG_WAITALL), len); 1101 1102 len = strlen(test_str) + 1; 1103 EXPECT_EQ(memcmp(test_str, buf, len), 0); 1104 } 1105 1106 TEST_F(tls, recv_peek_large_buf_mult_recs) 1107 { 1108 char const *test_str = "test_read_peek_mult_recs"; 1109 char const *test_str_first = "test_read_peek"; 1110 char const *test_str_second = "_mult_recs"; 1111 int len; 1112 char buf[64]; 1113 1114 len = strlen(test_str_first); 1115 EXPECT_EQ(send(self->fd, test_str_first, len, 0), len); 1116 1117 len = strlen(test_str_second) + 1; 1118 EXPECT_EQ(send(self->fd, test_str_second, len, 0), len); 1119 1120 len = strlen(test_str) + 1; 1121 memset(buf, 0, len); 1122 EXPECT_NE((len = recv(self->cfd, buf, len, 1123 MSG_PEEK | MSG_WAITALL)), -1); 1124 len = strlen(test_str) + 1; 1125 EXPECT_EQ(memcmp(test_str, buf, len), 0); 1126 } 1127 1128 TEST_F(tls, recv_lowat) 1129 { 1130 char send_mem[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; 1131 char recv_mem[20]; 1132 int lowat = 8; 1133 1134 EXPECT_EQ(send(self->fd, send_mem, 10, 0), 10); 1135 EXPECT_EQ(send(self->fd, send_mem, 5, 0), 5); 1136 1137 memset(recv_mem, 0, 20); 1138 EXPECT_EQ(setsockopt(self->cfd, SOL_SOCKET, SO_RCVLOWAT, 1139 &lowat, sizeof(lowat)), 0); 1140 EXPECT_EQ(recv(self->cfd, recv_mem, 1, MSG_WAITALL), 1); 1141 EXPECT_EQ(recv(self->cfd, recv_mem + 1, 6, MSG_WAITALL), 6); 1142 EXPECT_EQ(recv(self->cfd, recv_mem + 7, 10, 0), 8); 1143 1144 EXPECT_EQ(memcmp(send_mem, recv_mem, 10), 0); 1145 EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0); 1146 } 1147 1148 TEST_F(tls, bidir) 1149 { 1150 char const *test_str = "test_read"; 1151 int send_len = 10; 1152 char buf[10]; 1153 int ret; 1154 1155 if (!self->notls) { 1156 struct tls_crypto_info_keys tls12; 1157 1158 tls_crypto_info_init(variant->tls_version, variant->cipher_type, 1159 &tls12); 1160 1161 ret = setsockopt(self->fd, SOL_TLS, TLS_RX, &tls12, 1162 tls12.len); 1163 ASSERT_EQ(ret, 0); 1164 1165 ret = setsockopt(self->cfd, SOL_TLS, TLS_TX, &tls12, 1166 tls12.len); 1167 ASSERT_EQ(ret, 0); 1168 } 1169 1170 ASSERT_EQ(strlen(test_str) + 1, send_len); 1171 1172 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 1173 EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1); 1174 EXPECT_EQ(memcmp(buf, test_str, send_len), 0); 1175 1176 memset(buf, 0, sizeof(buf)); 1177 1178 EXPECT_EQ(send(self->cfd, test_str, send_len, 0), send_len); 1179 EXPECT_NE(recv(self->fd, buf, send_len, 0), -1); 1180 EXPECT_EQ(memcmp(buf, test_str, send_len), 0); 1181 }; 1182 1183 TEST_F(tls, pollin) 1184 { 1185 char const *test_str = "test_poll"; 1186 struct pollfd fd = { 0, 0, 0 }; 1187 char buf[10]; 1188 int send_len = 10; 1189 1190 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 1191 fd.fd = self->cfd; 1192 fd.events = POLLIN; 1193 1194 EXPECT_EQ(poll(&fd, 1, 20), 1); 1195 EXPECT_EQ(fd.revents & POLLIN, 1); 1196 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len); 1197 /* Test timing out */ 1198 EXPECT_EQ(poll(&fd, 1, 20), 0); 1199 } 1200 1201 TEST_F(tls, poll_wait) 1202 { 1203 char const *test_str = "test_poll_wait"; 1204 int send_len = strlen(test_str) + 1; 1205 struct pollfd fd = { 0, 0, 0 }; 1206 char recv_mem[15]; 1207 1208 fd.fd = self->cfd; 1209 fd.events = POLLIN; 1210 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 1211 /* Set timeout to inf. secs */ 1212 EXPECT_EQ(poll(&fd, 1, -1), 1); 1213 EXPECT_EQ(fd.revents & POLLIN, 1); 1214 EXPECT_EQ(recv(self->cfd, recv_mem, send_len, MSG_WAITALL), send_len); 1215 } 1216 1217 TEST_F(tls, poll_wait_split) 1218 { 1219 struct pollfd fd = { 0, 0, 0 }; 1220 char send_mem[20] = {}; 1221 char recv_mem[15]; 1222 1223 fd.fd = self->cfd; 1224 fd.events = POLLIN; 1225 /* Send 20 bytes */ 1226 EXPECT_EQ(send(self->fd, send_mem, sizeof(send_mem), 0), 1227 sizeof(send_mem)); 1228 /* Poll with inf. timeout */ 1229 EXPECT_EQ(poll(&fd, 1, -1), 1); 1230 EXPECT_EQ(fd.revents & POLLIN, 1); 1231 EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), MSG_WAITALL), 1232 sizeof(recv_mem)); 1233 1234 /* Now the remaining 5 bytes of record data are in TLS ULP */ 1235 fd.fd = self->cfd; 1236 fd.events = POLLIN; 1237 EXPECT_EQ(poll(&fd, 1, -1), 1); 1238 EXPECT_EQ(fd.revents & POLLIN, 1); 1239 EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0), 1240 sizeof(send_mem) - sizeof(recv_mem)); 1241 } 1242 1243 TEST_F(tls, blocking) 1244 { 1245 size_t data = 100000; 1246 int res = fork(); 1247 1248 EXPECT_NE(res, -1); 1249 1250 if (res) { 1251 /* parent */ 1252 size_t left = data; 1253 char buf[16384]; 1254 int status; 1255 int pid2; 1256 1257 while (left) { 1258 int res = send(self->fd, buf, 1259 left > 16384 ? 16384 : left, 0); 1260 1261 EXPECT_GE(res, 0); 1262 left -= res; 1263 } 1264 1265 pid2 = wait(&status); 1266 EXPECT_EQ(status, 0); 1267 EXPECT_EQ(res, pid2); 1268 } else { 1269 /* child */ 1270 size_t left = data; 1271 char buf[16384]; 1272 1273 while (left) { 1274 int res = recv(self->cfd, buf, 1275 left > 16384 ? 16384 : left, 0); 1276 1277 EXPECT_GE(res, 0); 1278 left -= res; 1279 } 1280 } 1281 } 1282 1283 TEST_F(tls, nonblocking) 1284 { 1285 size_t data = 100000; 1286 int sendbuf = 100; 1287 int flags; 1288 int res; 1289 1290 flags = fcntl(self->fd, F_GETFL, 0); 1291 fcntl(self->fd, F_SETFL, flags | O_NONBLOCK); 1292 fcntl(self->cfd, F_SETFL, flags | O_NONBLOCK); 1293 1294 /* Ensure nonblocking behavior by imposing a small send 1295 * buffer. 1296 */ 1297 EXPECT_EQ(setsockopt(self->fd, SOL_SOCKET, SO_SNDBUF, 1298 &sendbuf, sizeof(sendbuf)), 0); 1299 1300 res = fork(); 1301 EXPECT_NE(res, -1); 1302 1303 if (res) { 1304 /* parent */ 1305 bool eagain = false; 1306 size_t left = data; 1307 char buf[16384]; 1308 int status; 1309 int pid2; 1310 1311 while (left) { 1312 int res = send(self->fd, buf, 1313 left > 16384 ? 16384 : left, 0); 1314 1315 if (res == -1 && errno == EAGAIN) { 1316 eagain = true; 1317 usleep(10000); 1318 continue; 1319 } 1320 EXPECT_GE(res, 0); 1321 left -= res; 1322 } 1323 1324 EXPECT_TRUE(eagain); 1325 pid2 = wait(&status); 1326 1327 EXPECT_EQ(status, 0); 1328 EXPECT_EQ(res, pid2); 1329 } else { 1330 /* child */ 1331 bool eagain = false; 1332 size_t left = data; 1333 char buf[16384]; 1334 1335 while (left) { 1336 int res = recv(self->cfd, buf, 1337 left > 16384 ? 16384 : left, 0); 1338 1339 if (res == -1 && errno == EAGAIN) { 1340 eagain = true; 1341 usleep(10000); 1342 continue; 1343 } 1344 EXPECT_GE(res, 0); 1345 left -= res; 1346 } 1347 EXPECT_TRUE(eagain); 1348 } 1349 } 1350 1351 static void 1352 test_mutliproc(struct __test_metadata *_metadata, struct _test_data_tls *self, 1353 bool sendpg, unsigned int n_readers, unsigned int n_writers) 1354 { 1355 const unsigned int n_children = n_readers + n_writers; 1356 const size_t data = 6 * 1000 * 1000; 1357 const size_t file_sz = data / 100; 1358 size_t read_bias, write_bias; 1359 int i, fd, child_id; 1360 char buf[file_sz]; 1361 pid_t pid; 1362 1363 /* Only allow multiples for simplicity */ 1364 ASSERT_EQ(!(n_readers % n_writers) || !(n_writers % n_readers), true); 1365 read_bias = n_writers / n_readers ?: 1; 1366 write_bias = n_readers / n_writers ?: 1; 1367 1368 /* prep a file to send */ 1369 fd = open("/tmp/", O_TMPFILE | O_RDWR, 0600); 1370 ASSERT_GE(fd, 0); 1371 1372 memset(buf, 0xac, file_sz); 1373 ASSERT_EQ(write(fd, buf, file_sz), file_sz); 1374 1375 /* spawn children */ 1376 for (child_id = 0; child_id < n_children; child_id++) { 1377 pid = fork(); 1378 ASSERT_NE(pid, -1); 1379 if (!pid) 1380 break; 1381 } 1382 1383 /* parent waits for all children */ 1384 if (pid) { 1385 for (i = 0; i < n_children; i++) { 1386 int status; 1387 1388 wait(&status); 1389 EXPECT_EQ(status, 0); 1390 } 1391 1392 return; 1393 } 1394 1395 /* Split threads for reading and writing */ 1396 if (child_id < n_readers) { 1397 size_t left = data * read_bias; 1398 char rb[8001]; 1399 1400 while (left) { 1401 int res; 1402 1403 res = recv(self->cfd, rb, 1404 left > sizeof(rb) ? sizeof(rb) : left, 0); 1405 1406 EXPECT_GE(res, 0); 1407 left -= res; 1408 } 1409 } else { 1410 size_t left = data * write_bias; 1411 1412 while (left) { 1413 int res; 1414 1415 ASSERT_EQ(lseek(fd, 0, SEEK_SET), 0); 1416 if (sendpg) 1417 res = sendfile(self->fd, fd, NULL, 1418 left > file_sz ? file_sz : left); 1419 else 1420 res = send(self->fd, buf, 1421 left > file_sz ? file_sz : left, 0); 1422 1423 EXPECT_GE(res, 0); 1424 left -= res; 1425 } 1426 } 1427 } 1428 1429 TEST_F(tls, mutliproc_even) 1430 { 1431 test_mutliproc(_metadata, self, false, 6, 6); 1432 } 1433 1434 TEST_F(tls, mutliproc_readers) 1435 { 1436 test_mutliproc(_metadata, self, false, 4, 12); 1437 } 1438 1439 TEST_F(tls, mutliproc_writers) 1440 { 1441 test_mutliproc(_metadata, self, false, 10, 2); 1442 } 1443 1444 TEST_F(tls, mutliproc_sendpage_even) 1445 { 1446 test_mutliproc(_metadata, self, true, 6, 6); 1447 } 1448 1449 TEST_F(tls, mutliproc_sendpage_readers) 1450 { 1451 test_mutliproc(_metadata, self, true, 4, 12); 1452 } 1453 1454 TEST_F(tls, mutliproc_sendpage_writers) 1455 { 1456 test_mutliproc(_metadata, self, true, 10, 2); 1457 } 1458 1459 TEST_F(tls, control_msg) 1460 { 1461 char *test_str = "test_read"; 1462 char record_type = 100; 1463 int send_len = 10; 1464 char buf[10]; 1465 1466 if (self->notls) 1467 SKIP(return, "no TLS support"); 1468 1469 EXPECT_EQ(tls_send_cmsg(self->fd, record_type, test_str, send_len, 0), 1470 send_len); 1471 /* Should fail because we didn't provide a control message */ 1472 EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1); 1473 1474 EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type, 1475 buf, sizeof(buf), MSG_WAITALL | MSG_PEEK), 1476 send_len); 1477 EXPECT_EQ(memcmp(buf, test_str, send_len), 0); 1478 1479 /* Recv the message again without MSG_PEEK */ 1480 memset(buf, 0, sizeof(buf)); 1481 1482 EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type, 1483 buf, sizeof(buf), MSG_WAITALL), 1484 send_len); 1485 EXPECT_EQ(memcmp(buf, test_str, send_len), 0); 1486 } 1487 1488 TEST_F(tls, shutdown) 1489 { 1490 char const *test_str = "test_read"; 1491 int send_len = 10; 1492 char buf[10]; 1493 1494 ASSERT_EQ(strlen(test_str) + 1, send_len); 1495 1496 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); 1497 EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1); 1498 EXPECT_EQ(memcmp(buf, test_str, send_len), 0); 1499 1500 shutdown(self->fd, SHUT_RDWR); 1501 shutdown(self->cfd, SHUT_RDWR); 1502 } 1503 1504 TEST_F(tls, shutdown_unsent) 1505 { 1506 char const *test_str = "test_read"; 1507 int send_len = 10; 1508 1509 EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len); 1510 1511 shutdown(self->fd, SHUT_RDWR); 1512 shutdown(self->cfd, SHUT_RDWR); 1513 } 1514 1515 TEST_F(tls, shutdown_reuse) 1516 { 1517 struct sockaddr_in addr; 1518 int ret; 1519 1520 shutdown(self->fd, SHUT_RDWR); 1521 shutdown(self->cfd, SHUT_RDWR); 1522 close(self->cfd); 1523 1524 addr.sin_family = AF_INET; 1525 addr.sin_addr.s_addr = htonl(INADDR_ANY); 1526 addr.sin_port = 0; 1527 1528 ret = bind(self->fd, &addr, sizeof(addr)); 1529 EXPECT_EQ(ret, 0); 1530 ret = listen(self->fd, 10); 1531 EXPECT_EQ(ret, -1); 1532 EXPECT_EQ(errno, EINVAL); 1533 1534 ret = connect(self->fd, &addr, sizeof(addr)); 1535 EXPECT_EQ(ret, -1); 1536 EXPECT_EQ(errno, EISCONN); 1537 } 1538 1539 TEST_F(tls, getsockopt) 1540 { 1541 struct tls_crypto_info_keys expect, get; 1542 socklen_t len; 1543 1544 /* get only the version/cipher */ 1545 len = sizeof(struct tls_crypto_info); 1546 memrnd(&get, sizeof(get)); 1547 EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), 0); 1548 EXPECT_EQ(len, sizeof(struct tls_crypto_info)); 1549 EXPECT_EQ(get.crypto_info.version, variant->tls_version); 1550 EXPECT_EQ(get.crypto_info.cipher_type, variant->cipher_type); 1551 1552 /* get the full crypto_info */ 1553 tls_crypto_info_init(variant->tls_version, variant->cipher_type, &expect); 1554 len = expect.len; 1555 memrnd(&get, sizeof(get)); 1556 EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), 0); 1557 EXPECT_EQ(len, expect.len); 1558 EXPECT_EQ(get.crypto_info.version, variant->tls_version); 1559 EXPECT_EQ(get.crypto_info.cipher_type, variant->cipher_type); 1560 EXPECT_EQ(memcmp(&get, &expect, expect.len), 0); 1561 1562 /* short get should fail */ 1563 len = sizeof(struct tls_crypto_info) - 1; 1564 EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), -1); 1565 EXPECT_EQ(errno, EINVAL); 1566 1567 /* partial get of the cipher data should fail */ 1568 len = expect.len - 1; 1569 EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), -1); 1570 EXPECT_EQ(errno, EINVAL); 1571 } 1572 1573 FIXTURE(tls_err) 1574 { 1575 int fd, cfd; 1576 int fd2, cfd2; 1577 bool notls; 1578 }; 1579 1580 FIXTURE_VARIANT(tls_err) 1581 { 1582 uint16_t tls_version; 1583 }; 1584 1585 FIXTURE_VARIANT_ADD(tls_err, 12_aes_gcm) 1586 { 1587 .tls_version = TLS_1_2_VERSION, 1588 }; 1589 1590 FIXTURE_VARIANT_ADD(tls_err, 13_aes_gcm) 1591 { 1592 .tls_version = TLS_1_3_VERSION, 1593 }; 1594 1595 FIXTURE_SETUP(tls_err) 1596 { 1597 struct tls_crypto_info_keys tls12; 1598 int ret; 1599 1600 tls_crypto_info_init(variant->tls_version, TLS_CIPHER_AES_GCM_128, 1601 &tls12); 1602 1603 ulp_sock_pair(_metadata, &self->fd, &self->cfd, &self->notls); 1604 ulp_sock_pair(_metadata, &self->fd2, &self->cfd2, &self->notls); 1605 if (self->notls) 1606 return; 1607 1608 ret = setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, tls12.len); 1609 ASSERT_EQ(ret, 0); 1610 1611 ret = setsockopt(self->cfd2, SOL_TLS, TLS_RX, &tls12, tls12.len); 1612 ASSERT_EQ(ret, 0); 1613 } 1614 1615 FIXTURE_TEARDOWN(tls_err) 1616 { 1617 close(self->fd); 1618 close(self->cfd); 1619 close(self->fd2); 1620 close(self->cfd2); 1621 } 1622 1623 TEST_F(tls_err, bad_rec) 1624 { 1625 char buf[64]; 1626 1627 if (self->notls) 1628 SKIP(return, "no TLS support"); 1629 1630 memset(buf, 0x55, sizeof(buf)); 1631 EXPECT_EQ(send(self->fd2, buf, sizeof(buf), 0), sizeof(buf)); 1632 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1); 1633 EXPECT_EQ(errno, EMSGSIZE); 1634 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), MSG_DONTWAIT), -1); 1635 EXPECT_EQ(errno, EAGAIN); 1636 } 1637 1638 TEST_F(tls_err, bad_auth) 1639 { 1640 char buf[128]; 1641 int n; 1642 1643 if (self->notls) 1644 SKIP(return, "no TLS support"); 1645 1646 memrnd(buf, sizeof(buf) / 2); 1647 EXPECT_EQ(send(self->fd, buf, sizeof(buf) / 2, 0), sizeof(buf) / 2); 1648 n = recv(self->cfd, buf, sizeof(buf), 0); 1649 EXPECT_GT(n, sizeof(buf) / 2); 1650 1651 buf[n - 1]++; 1652 1653 EXPECT_EQ(send(self->fd2, buf, n, 0), n); 1654 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1); 1655 EXPECT_EQ(errno, EBADMSG); 1656 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1); 1657 EXPECT_EQ(errno, EBADMSG); 1658 } 1659 1660 TEST_F(tls_err, bad_in_large_read) 1661 { 1662 char txt[3][64]; 1663 char cip[3][128]; 1664 char buf[3 * 128]; 1665 int i, n; 1666 1667 if (self->notls) 1668 SKIP(return, "no TLS support"); 1669 1670 /* Put 3 records in the sockets */ 1671 for (i = 0; i < 3; i++) { 1672 memrnd(txt[i], sizeof(txt[i])); 1673 EXPECT_EQ(send(self->fd, txt[i], sizeof(txt[i]), 0), 1674 sizeof(txt[i])); 1675 n = recv(self->cfd, cip[i], sizeof(cip[i]), 0); 1676 EXPECT_GT(n, sizeof(txt[i])); 1677 /* Break the third message */ 1678 if (i == 2) 1679 cip[2][n - 1]++; 1680 EXPECT_EQ(send(self->fd2, cip[i], n, 0), n); 1681 } 1682 1683 /* We should be able to receive the first two messages */ 1684 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), sizeof(txt[0]) * 2); 1685 EXPECT_EQ(memcmp(buf, txt[0], sizeof(txt[0])), 0); 1686 EXPECT_EQ(memcmp(buf + sizeof(txt[0]), txt[1], sizeof(txt[1])), 0); 1687 /* Third mesasge is bad */ 1688 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1); 1689 EXPECT_EQ(errno, EBADMSG); 1690 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1); 1691 EXPECT_EQ(errno, EBADMSG); 1692 } 1693 1694 TEST_F(tls_err, bad_cmsg) 1695 { 1696 char *test_str = "test_read"; 1697 int send_len = 10; 1698 char cip[128]; 1699 char buf[128]; 1700 char txt[64]; 1701 int n; 1702 1703 if (self->notls) 1704 SKIP(return, "no TLS support"); 1705 1706 /* Queue up one data record */ 1707 memrnd(txt, sizeof(txt)); 1708 EXPECT_EQ(send(self->fd, txt, sizeof(txt), 0), sizeof(txt)); 1709 n = recv(self->cfd, cip, sizeof(cip), 0); 1710 EXPECT_GT(n, sizeof(txt)); 1711 EXPECT_EQ(send(self->fd2, cip, n, 0), n); 1712 1713 EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10); 1714 n = recv(self->cfd, cip, sizeof(cip), 0); 1715 cip[n - 1]++; /* Break it */ 1716 EXPECT_GT(n, send_len); 1717 EXPECT_EQ(send(self->fd2, cip, n, 0), n); 1718 1719 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), sizeof(txt)); 1720 EXPECT_EQ(memcmp(buf, txt, sizeof(txt)), 0); 1721 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1); 1722 EXPECT_EQ(errno, EBADMSG); 1723 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1); 1724 EXPECT_EQ(errno, EBADMSG); 1725 } 1726 1727 TEST_F(tls_err, timeo) 1728 { 1729 struct timeval tv = { .tv_usec = 10000, }; 1730 char buf[128]; 1731 int ret; 1732 1733 if (self->notls) 1734 SKIP(return, "no TLS support"); 1735 1736 ret = setsockopt(self->cfd2, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)); 1737 ASSERT_EQ(ret, 0); 1738 1739 ret = fork(); 1740 ASSERT_GE(ret, 0); 1741 1742 if (ret) { 1743 usleep(1000); /* Give child a head start */ 1744 1745 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1); 1746 EXPECT_EQ(errno, EAGAIN); 1747 1748 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1); 1749 EXPECT_EQ(errno, EAGAIN); 1750 1751 wait(&ret); 1752 } else { 1753 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1); 1754 EXPECT_EQ(errno, EAGAIN); 1755 exit(0); 1756 } 1757 } 1758 1759 TEST_F(tls_err, poll_partial_rec) 1760 { 1761 struct pollfd pfd = { }; 1762 ssize_t rec_len; 1763 char rec[256]; 1764 char buf[128]; 1765 1766 if (self->notls) 1767 SKIP(return, "no TLS support"); 1768 1769 pfd.fd = self->cfd2; 1770 pfd.events = POLLIN; 1771 EXPECT_EQ(poll(&pfd, 1, 1), 0); 1772 1773 memrnd(buf, sizeof(buf)); 1774 EXPECT_EQ(send(self->fd, buf, sizeof(buf), 0), sizeof(buf)); 1775 rec_len = recv(self->cfd, rec, sizeof(rec), 0); 1776 EXPECT_GT(rec_len, sizeof(buf)); 1777 1778 /* Write 100B, not the full record ... */ 1779 EXPECT_EQ(send(self->fd2, rec, 100, 0), 100); 1780 /* ... no full record should mean no POLLIN */ 1781 pfd.fd = self->cfd2; 1782 pfd.events = POLLIN; 1783 EXPECT_EQ(poll(&pfd, 1, 1), 0); 1784 /* Now write the rest, and it should all pop out of the other end. */ 1785 EXPECT_EQ(send(self->fd2, rec + 100, rec_len - 100, 0), rec_len - 100); 1786 pfd.fd = self->cfd2; 1787 pfd.events = POLLIN; 1788 EXPECT_EQ(poll(&pfd, 1, 1), 1); 1789 EXPECT_EQ(recv(self->cfd2, rec, sizeof(rec), 0), sizeof(buf)); 1790 EXPECT_EQ(memcmp(buf, rec, sizeof(buf)), 0); 1791 } 1792 1793 TEST_F(tls_err, epoll_partial_rec) 1794 { 1795 struct epoll_event ev, events[10]; 1796 ssize_t rec_len; 1797 char rec[256]; 1798 char buf[128]; 1799 int epollfd; 1800 1801 if (self->notls) 1802 SKIP(return, "no TLS support"); 1803 1804 epollfd = epoll_create1(0); 1805 ASSERT_GE(epollfd, 0); 1806 1807 memset(&ev, 0, sizeof(ev)); 1808 ev.events = EPOLLIN; 1809 ev.data.fd = self->cfd2; 1810 ASSERT_GE(epoll_ctl(epollfd, EPOLL_CTL_ADD, self->cfd2, &ev), 0); 1811 1812 EXPECT_EQ(epoll_wait(epollfd, events, 10, 0), 0); 1813 1814 memrnd(buf, sizeof(buf)); 1815 EXPECT_EQ(send(self->fd, buf, sizeof(buf), 0), sizeof(buf)); 1816 rec_len = recv(self->cfd, rec, sizeof(rec), 0); 1817 EXPECT_GT(rec_len, sizeof(buf)); 1818 1819 /* Write 100B, not the full record ... */ 1820 EXPECT_EQ(send(self->fd2, rec, 100, 0), 100); 1821 /* ... no full record should mean no POLLIN */ 1822 EXPECT_EQ(epoll_wait(epollfd, events, 10, 0), 0); 1823 /* Now write the rest, and it should all pop out of the other end. */ 1824 EXPECT_EQ(send(self->fd2, rec + 100, rec_len - 100, 0), rec_len - 100); 1825 EXPECT_EQ(epoll_wait(epollfd, events, 10, 0), 1); 1826 EXPECT_EQ(recv(self->cfd2, rec, sizeof(rec), 0), sizeof(buf)); 1827 EXPECT_EQ(memcmp(buf, rec, sizeof(buf)), 0); 1828 1829 close(epollfd); 1830 } 1831 1832 TEST_F(tls_err, poll_partial_rec_async) 1833 { 1834 struct pollfd pfd = { }; 1835 ssize_t rec_len; 1836 char rec[256]; 1837 char buf[128]; 1838 char token; 1839 int p[2]; 1840 int ret; 1841 1842 if (self->notls) 1843 SKIP(return, "no TLS support"); 1844 1845 ASSERT_GE(pipe(p), 0); 1846 1847 memrnd(buf, sizeof(buf)); 1848 EXPECT_EQ(send(self->fd, buf, sizeof(buf), 0), sizeof(buf)); 1849 rec_len = recv(self->cfd, rec, sizeof(rec), 0); 1850 EXPECT_GT(rec_len, sizeof(buf)); 1851 1852 ret = fork(); 1853 ASSERT_GE(ret, 0); 1854 1855 if (ret) { 1856 int status, pid2; 1857 1858 close(p[1]); 1859 usleep(1000); /* Give child a head start */ 1860 1861 EXPECT_EQ(send(self->fd2, rec, 100, 0), 100); 1862 1863 EXPECT_EQ(read(p[0], &token, 1), 1); /* Barrier #1 */ 1864 1865 EXPECT_EQ(send(self->fd2, rec + 100, rec_len - 100, 0), 1866 rec_len - 100); 1867 1868 pid2 = wait(&status); 1869 EXPECT_EQ(pid2, ret); 1870 EXPECT_EQ(status, 0); 1871 } else { 1872 close(p[0]); 1873 1874 /* Child should sleep in poll(), never get a wake */ 1875 pfd.fd = self->cfd2; 1876 pfd.events = POLLIN; 1877 EXPECT_EQ(poll(&pfd, 1, 5), 0); 1878 1879 EXPECT_EQ(write(p[1], &token, 1), 1); /* Barrier #1 */ 1880 1881 pfd.fd = self->cfd2; 1882 pfd.events = POLLIN; 1883 EXPECT_EQ(poll(&pfd, 1, 5), 1); 1884 1885 exit(!_metadata->passed); 1886 } 1887 } 1888 1889 TEST(non_established) { 1890 struct tls12_crypto_info_aes_gcm_256 tls12; 1891 struct sockaddr_in addr; 1892 int sfd, ret, fd; 1893 socklen_t len; 1894 1895 len = sizeof(addr); 1896 1897 memset(&tls12, 0, sizeof(tls12)); 1898 tls12.info.version = TLS_1_2_VERSION; 1899 tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256; 1900 1901 addr.sin_family = AF_INET; 1902 addr.sin_addr.s_addr = htonl(INADDR_ANY); 1903 addr.sin_port = 0; 1904 1905 fd = socket(AF_INET, SOCK_STREAM, 0); 1906 sfd = socket(AF_INET, SOCK_STREAM, 0); 1907 1908 ret = bind(sfd, &addr, sizeof(addr)); 1909 ASSERT_EQ(ret, 0); 1910 ret = listen(sfd, 10); 1911 ASSERT_EQ(ret, 0); 1912 1913 ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); 1914 EXPECT_EQ(ret, -1); 1915 /* TLS ULP not supported */ 1916 if (errno == ENOENT) 1917 return; 1918 EXPECT_EQ(errno, ENOTCONN); 1919 1920 ret = setsockopt(sfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); 1921 EXPECT_EQ(ret, -1); 1922 EXPECT_EQ(errno, ENOTCONN); 1923 1924 ret = getsockname(sfd, &addr, &len); 1925 ASSERT_EQ(ret, 0); 1926 1927 ret = connect(fd, &addr, sizeof(addr)); 1928 ASSERT_EQ(ret, 0); 1929 1930 ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); 1931 ASSERT_EQ(ret, 0); 1932 1933 ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); 1934 EXPECT_EQ(ret, -1); 1935 EXPECT_EQ(errno, EEXIST); 1936 1937 close(fd); 1938 close(sfd); 1939 } 1940 1941 TEST(keysizes) { 1942 struct tls12_crypto_info_aes_gcm_256 tls12; 1943 int ret, fd, cfd; 1944 bool notls; 1945 1946 memset(&tls12, 0, sizeof(tls12)); 1947 tls12.info.version = TLS_1_2_VERSION; 1948 tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256; 1949 1950 ulp_sock_pair(_metadata, &fd, &cfd, ¬ls); 1951 1952 if (!notls) { 1953 ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12, 1954 sizeof(tls12)); 1955 EXPECT_EQ(ret, 0); 1956 1957 ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12, 1958 sizeof(tls12)); 1959 EXPECT_EQ(ret, 0); 1960 } 1961 1962 close(fd); 1963 close(cfd); 1964 } 1965 1966 TEST(no_pad) { 1967 struct tls12_crypto_info_aes_gcm_256 tls12; 1968 int ret, fd, cfd, val; 1969 socklen_t len; 1970 bool notls; 1971 1972 memset(&tls12, 0, sizeof(tls12)); 1973 tls12.info.version = TLS_1_3_VERSION; 1974 tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256; 1975 1976 ulp_sock_pair(_metadata, &fd, &cfd, ¬ls); 1977 1978 if (notls) 1979 exit(KSFT_SKIP); 1980 1981 ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12, sizeof(tls12)); 1982 EXPECT_EQ(ret, 0); 1983 1984 ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12, sizeof(tls12)); 1985 EXPECT_EQ(ret, 0); 1986 1987 val = 1; 1988 ret = setsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD, 1989 (void *)&val, sizeof(val)); 1990 EXPECT_EQ(ret, 0); 1991 1992 len = sizeof(val); 1993 val = 2; 1994 ret = getsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD, 1995 (void *)&val, &len); 1996 EXPECT_EQ(ret, 0); 1997 EXPECT_EQ(val, 1); 1998 EXPECT_EQ(len, 4); 1999 2000 val = 0; 2001 ret = setsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD, 2002 (void *)&val, sizeof(val)); 2003 EXPECT_EQ(ret, 0); 2004 2005 len = sizeof(val); 2006 val = 2; 2007 ret = getsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD, 2008 (void *)&val, &len); 2009 EXPECT_EQ(ret, 0); 2010 EXPECT_EQ(val, 0); 2011 EXPECT_EQ(len, 4); 2012 2013 close(fd); 2014 close(cfd); 2015 } 2016 2017 TEST(tls_v6ops) { 2018 struct tls_crypto_info_keys tls12; 2019 struct sockaddr_in6 addr, addr2; 2020 int sfd, ret, fd; 2021 socklen_t len, len2; 2022 2023 tls_crypto_info_init(TLS_1_2_VERSION, TLS_CIPHER_AES_GCM_128, &tls12); 2024 2025 addr.sin6_family = AF_INET6; 2026 addr.sin6_addr = in6addr_any; 2027 addr.sin6_port = 0; 2028 2029 fd = socket(AF_INET6, SOCK_STREAM, 0); 2030 sfd = socket(AF_INET6, SOCK_STREAM, 0); 2031 2032 ret = bind(sfd, &addr, sizeof(addr)); 2033 ASSERT_EQ(ret, 0); 2034 ret = listen(sfd, 10); 2035 ASSERT_EQ(ret, 0); 2036 2037 len = sizeof(addr); 2038 ret = getsockname(sfd, &addr, &len); 2039 ASSERT_EQ(ret, 0); 2040 2041 ret = connect(fd, &addr, sizeof(addr)); 2042 ASSERT_EQ(ret, 0); 2043 2044 len = sizeof(addr); 2045 ret = getsockname(fd, &addr, &len); 2046 ASSERT_EQ(ret, 0); 2047 2048 ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); 2049 if (ret) { 2050 ASSERT_EQ(errno, ENOENT); 2051 SKIP(return, "no TLS support"); 2052 } 2053 ASSERT_EQ(ret, 0); 2054 2055 ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12, tls12.len); 2056 ASSERT_EQ(ret, 0); 2057 2058 ret = setsockopt(fd, SOL_TLS, TLS_RX, &tls12, tls12.len); 2059 ASSERT_EQ(ret, 0); 2060 2061 len2 = sizeof(addr2); 2062 ret = getsockname(fd, &addr2, &len2); 2063 ASSERT_EQ(ret, 0); 2064 2065 EXPECT_EQ(len2, len); 2066 EXPECT_EQ(memcmp(&addr, &addr2, len), 0); 2067 2068 close(fd); 2069 close(sfd); 2070 } 2071 2072 TEST(prequeue) { 2073 struct tls_crypto_info_keys tls12; 2074 char buf[20000], buf2[20000]; 2075 struct sockaddr_in addr; 2076 int sfd, cfd, ret, fd; 2077 socklen_t len; 2078 2079 len = sizeof(addr); 2080 memrnd(buf, sizeof(buf)); 2081 2082 tls_crypto_info_init(TLS_1_2_VERSION, TLS_CIPHER_AES_GCM_256, &tls12); 2083 2084 addr.sin_family = AF_INET; 2085 addr.sin_addr.s_addr = htonl(INADDR_ANY); 2086 addr.sin_port = 0; 2087 2088 fd = socket(AF_INET, SOCK_STREAM, 0); 2089 sfd = socket(AF_INET, SOCK_STREAM, 0); 2090 2091 ASSERT_EQ(bind(sfd, &addr, sizeof(addr)), 0); 2092 ASSERT_EQ(listen(sfd, 10), 0); 2093 ASSERT_EQ(getsockname(sfd, &addr, &len), 0); 2094 ASSERT_EQ(connect(fd, &addr, sizeof(addr)), 0); 2095 ASSERT_GE(cfd = accept(sfd, &addr, &len), 0); 2096 close(sfd); 2097 2098 ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")); 2099 if (ret) { 2100 ASSERT_EQ(errno, ENOENT); 2101 SKIP(return, "no TLS support"); 2102 } 2103 2104 ASSERT_EQ(setsockopt(fd, SOL_TLS, TLS_TX, &tls12, tls12.len), 0); 2105 EXPECT_EQ(send(fd, buf, sizeof(buf), MSG_DONTWAIT), sizeof(buf)); 2106 2107 ASSERT_EQ(setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")), 0); 2108 ASSERT_EQ(setsockopt(cfd, SOL_TLS, TLS_RX, &tls12, tls12.len), 0); 2109 EXPECT_EQ(recv(cfd, buf2, sizeof(buf2), MSG_WAITALL), sizeof(buf2)); 2110 2111 EXPECT_EQ(memcmp(buf, buf2, sizeof(buf)), 0); 2112 2113 close(fd); 2114 close(cfd); 2115 } 2116 2117 static void __attribute__((constructor)) fips_check(void) { 2118 int res; 2119 FILE *f; 2120 2121 f = fopen("/proc/sys/crypto/fips_enabled", "r"); 2122 if (f) { 2123 res = fscanf(f, "%d", &fips_enabled); 2124 if (res != 1) 2125 ksft_print_msg("ERROR: Couldn't read /proc/sys/crypto/fips_enabled\n"); 2126 fclose(f); 2127 } 2128 } 2129 2130 TEST_HARNESS_MAIN 2131