tools/testing/selftests/net/tls.c

   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->cfd, &msg, 0), send_len);
 617         }
 618
 619         while (recvs++ < sends) {
 620                 EXPECT_NE(recv(self->fd, 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->cfd, &msg, 0), total_len);
 650         buf = malloc(total_len);
 651         EXPECT_NE(recv(self->fd, 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_from_pipe2)
 711 {
 712         int send_len = 16000;
 713         char mem_send[16000];
 714         char mem_recv[16000];
 715         int p2[2];
 716         int p[2];
 717
 718         memrnd(mem_send, sizeof(mem_send));
 719
 720         ASSERT_GE(pipe(p), 0);
 721         ASSERT_GE(pipe(p2), 0);
 722         EXPECT_EQ(write(p[1], mem_send, 8000), 8000);
 723         EXPECT_EQ(splice(p[0], NULL, self->fd, NULL, 8000, 0), 8000);
 724         EXPECT_EQ(write(p2[1], mem_send + 8000, 8000), 8000);
 725         EXPECT_EQ(splice(p2[0], NULL, self->fd, NULL, 8000, 0), 8000);
 726         EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
 727         EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
 728 }
 729
 730 TEST_F(tls, send_and_splice)
 731 {
 732         int send_len = TLS_PAYLOAD_MAX_LEN;
 733         char mem_send[TLS_PAYLOAD_MAX_LEN];
 734         char mem_recv[TLS_PAYLOAD_MAX_LEN];
 735         char const *test_str = "test_read";
 736         int send_len2 = 10;
 737         char buf[10];
 738         int p[2];
 739
 740         ASSERT_GE(pipe(p), 0);
 741         EXPECT_EQ(send(self->fd, test_str, send_len2, 0), send_len2);
 742         EXPECT_EQ(recv(self->cfd, buf, send_len2, MSG_WAITALL), send_len2);
 743         EXPECT_EQ(memcmp(test_str, buf, send_len2), 0);
 744
 745         EXPECT_GE(write(p[1], mem_send, send_len), send_len);
 746         EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), send_len);
 747
 748         EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
 749         EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
 750 }
 751
 752 TEST_F(tls, splice_to_pipe)
 753 {
 754         int send_len = TLS_PAYLOAD_MAX_LEN;
 755         char mem_send[TLS_PAYLOAD_MAX_LEN];
 756         char mem_recv[TLS_PAYLOAD_MAX_LEN];
 757         int p[2];
 758
 759         memrnd(mem_send, sizeof(mem_send));
 760
 761         ASSERT_GE(pipe(p), 0);
 762         EXPECT_EQ(send(self->fd, mem_send, send_len, 0), send_len);
 763         EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), send_len);
 764         EXPECT_EQ(read(p[0], mem_recv, send_len), send_len);
 765         EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
 766 }
 767
 768 TEST_F(tls, splice_cmsg_to_pipe)
 769 {
 770         char *test_str = "test_read";
 771         char record_type = 100;
 772         int send_len = 10;
 773         char buf[10];
 774         int p[2];
 775
 776         if (self->notls)
 777                 SKIP(return, "no TLS support");
 778
 779         ASSERT_GE(pipe(p), 0);
 780         EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10);
 781         EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), -1);
 782         EXPECT_EQ(errno, EINVAL);
 783         EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
 784         EXPECT_EQ(errno, EIO);
 785         EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type,
 786                                 buf, sizeof(buf), MSG_WAITALL),
 787                   send_len);
 788         EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
 789 }
 790
 791 TEST_F(tls, splice_dec_cmsg_to_pipe)
 792 {
 793         char *test_str = "test_read";
 794         char record_type = 100;
 795         int send_len = 10;
 796         char buf[10];
 797         int p[2];
 798
 799         if (self->notls)
 800                 SKIP(return, "no TLS support");
 801
 802         ASSERT_GE(pipe(p), 0);
 803         EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10);
 804         EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
 805         EXPECT_EQ(errno, EIO);
 806         EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), -1);
 807         EXPECT_EQ(errno, EINVAL);
 808         EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type,
 809                                 buf, sizeof(buf), MSG_WAITALL),
 810                   send_len);
 811         EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
 812 }
 813
 814 TEST_F(tls, recv_and_splice)
 815 {
 816         int send_len = TLS_PAYLOAD_MAX_LEN;
 817         char mem_send[TLS_PAYLOAD_MAX_LEN];
 818         char mem_recv[TLS_PAYLOAD_MAX_LEN];
 819         int half = send_len / 2;
 820         int p[2];
 821
 822         ASSERT_GE(pipe(p), 0);
 823         EXPECT_EQ(send(self->fd, mem_send, send_len, 0), send_len);
 824         /* Recv hald of the record, splice the other half */
 825         EXPECT_EQ(recv(self->cfd, mem_recv, half, MSG_WAITALL), half);
 826         EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, half, SPLICE_F_NONBLOCK),
 827                   half);
 828         EXPECT_EQ(read(p[0], &mem_recv[half], half), half);
 829         EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
 830 }
 831
 832 TEST_F(tls, peek_and_splice)
 833 {
 834         int send_len = TLS_PAYLOAD_MAX_LEN;
 835         char mem_send[TLS_PAYLOAD_MAX_LEN];
 836         char mem_recv[TLS_PAYLOAD_MAX_LEN];
 837         int chunk = TLS_PAYLOAD_MAX_LEN / 4;
 838         int n, i, p[2];
 839
 840         memrnd(mem_send, sizeof(mem_send));
 841
 842         ASSERT_GE(pipe(p), 0);
 843         for (i = 0; i < 4; i++)
 844                 EXPECT_EQ(send(self->fd, &mem_send[chunk * i], chunk, 0),
 845                           chunk);
 846
 847         EXPECT_EQ(recv(self->cfd, mem_recv, chunk * 5 / 2,
 848                        MSG_WAITALL | MSG_PEEK),
 849                   chunk * 5 / 2);
 850         EXPECT_EQ(memcmp(mem_send, mem_recv, chunk * 5 / 2), 0);
 851
 852         n = 0;
 853         while (n < send_len) {
 854                 i = splice(self->cfd, NULL, p[1], NULL, send_len - n, 0);
 855                 EXPECT_GT(i, 0);
 856                 n += i;
 857         }
 858         EXPECT_EQ(n, send_len);
 859         EXPECT_EQ(read(p[0], mem_recv, send_len), send_len);
 860         EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
 861 }
 862
 863 TEST_F(tls, recvmsg_single)
 864 {
 865         char const *test_str = "test_recvmsg_single";
 866         int send_len = strlen(test_str) + 1;
 867         char buf[20];
 868         struct msghdr hdr;
 869         struct iovec vec;
 870
 871         memset(&hdr, 0, sizeof(hdr));
 872         EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
 873         vec.iov_base = (char *)buf;
 874         vec.iov_len = send_len;
 875         hdr.msg_iovlen = 1;
 876         hdr.msg_iov = &vec;
 877         EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
 878         EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
 879 }
 880
 881 TEST_F(tls, recvmsg_single_max)
 882 {
 883         int send_len = TLS_PAYLOAD_MAX_LEN;
 884         char send_mem[TLS_PAYLOAD_MAX_LEN];
 885         char recv_mem[TLS_PAYLOAD_MAX_LEN];
 886         struct iovec vec;
 887         struct msghdr hdr;
 888
 889         memrnd(send_mem, sizeof(send_mem));
 890
 891         EXPECT_EQ(send(self->fd, send_mem, send_len, 0), send_len);
 892         vec.iov_base = (char *)recv_mem;
 893         vec.iov_len = TLS_PAYLOAD_MAX_LEN;
 894
 895         hdr.msg_iovlen = 1;
 896         hdr.msg_iov = &vec;
 897         EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
 898         EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0);
 899 }
 900
 901 TEST_F(tls, recvmsg_multiple)
 902 {
 903         unsigned int msg_iovlen = 1024;
 904         struct iovec vec[1024];
 905         char *iov_base[1024];
 906         unsigned int iov_len = 16;
 907         int send_len = 1 << 14;
 908         char buf[1 << 14];
 909         struct msghdr hdr;
 910         int i;
 911
 912         memrnd(buf, sizeof(buf));
 913
 914         EXPECT_EQ(send(self->fd, buf, send_len, 0), send_len);
 915         for (i = 0; i < msg_iovlen; i++) {
 916                 iov_base[i] = (char *)malloc(iov_len);
 917                 vec[i].iov_base = iov_base[i];
 918                 vec[i].iov_len = iov_len;
 919         }
 920
 921         hdr.msg_iovlen = msg_iovlen;
 922         hdr.msg_iov = vec;
 923         EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
 924
 925         for (i = 0; i < msg_iovlen; i++)
 926                 free(iov_base[i]);
 927 }
 928
 929 TEST_F(tls, single_send_multiple_recv)
 930 {
 931         unsigned int total_len = TLS_PAYLOAD_MAX_LEN * 2;
 932         unsigned int send_len = TLS_PAYLOAD_MAX_LEN;
 933         char send_mem[TLS_PAYLOAD_MAX_LEN * 2];
 934         char recv_mem[TLS_PAYLOAD_MAX_LEN * 2];
 935
 936         memrnd(send_mem, sizeof(send_mem));
 937
 938         EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
 939         memset(recv_mem, 0, total_len);
 940
 941         EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1);
 942         EXPECT_NE(recv(self->cfd, recv_mem + send_len, send_len, 0), -1);
 943         EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0);
 944 }
 945
 946 TEST_F(tls, multiple_send_single_recv)
 947 {
 948         unsigned int total_len = 2 * 10;
 949         unsigned int send_len = 10;
 950         char recv_mem[2 * 10];
 951         char send_mem[10];
 952
 953         memrnd(send_mem, sizeof(send_mem));
 954
 955         EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
 956         EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
 957         memset(recv_mem, 0, total_len);
 958         EXPECT_EQ(recv(self->cfd, recv_mem, total_len, MSG_WAITALL), total_len);
 959
 960         EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0);
 961         EXPECT_EQ(memcmp(send_mem, recv_mem + send_len, send_len), 0);
 962 }
 963
 964 TEST_F(tls, single_send_multiple_recv_non_align)
 965 {
 966         const unsigned int total_len = 15;
 967         const unsigned int recv_len = 10;
 968         char recv_mem[recv_len * 2];
 969         char send_mem[total_len];
 970
 971         memrnd(send_mem, sizeof(send_mem));
 972
 973         EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
 974         memset(recv_mem, 0, total_len);
 975
 976         EXPECT_EQ(recv(self->cfd, recv_mem, recv_len, 0), recv_len);
 977         EXPECT_EQ(recv(self->cfd, recv_mem + recv_len, recv_len, 0), 5);
 978         EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0);
 979 }
 980
 981 TEST_F(tls, recv_partial)
 982 {
 983         char const *test_str = "test_read_partial";
 984         char const *test_str_first = "test_read";
 985         char const *test_str_second = "_partial";
 986         int send_len = strlen(test_str) + 1;
 987         char recv_mem[18];
 988
 989         memset(recv_mem, 0, sizeof(recv_mem));
 990         EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
 991         EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_first),
 992                        MSG_WAITALL), -1);
 993         EXPECT_EQ(memcmp(test_str_first, recv_mem, strlen(test_str_first)), 0);
 994         memset(recv_mem, 0, sizeof(recv_mem));
 995         EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_second),
 996                        MSG_WAITALL), -1);
 997         EXPECT_EQ(memcmp(test_str_second, recv_mem, strlen(test_str_second)),
 998                   0);
 999 }
1000
1001 TEST_F(tls, recv_nonblock)
1002 {
1003         char buf[4096];
1004         bool err;
1005
1006         EXPECT_EQ(recv(self->cfd, buf, sizeof(buf), MSG_DONTWAIT), -1);
1007         err = (errno == EAGAIN || errno == EWOULDBLOCK);
1008         EXPECT_EQ(err, true);
1009 }
1010
1011 TEST_F(tls, recv_peek)
1012 {
1013         char const *test_str = "test_read_peek";
1014         int send_len = strlen(test_str) + 1;
1015         char buf[15];
1016
1017         EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1018         EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_PEEK), send_len);
1019         EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
1020         memset(buf, 0, sizeof(buf));
1021         EXPECT_EQ(recv(self->cfd, buf, send_len, 0), send_len);
1022         EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
1023 }
1024
1025 TEST_F(tls, recv_peek_multiple)
1026 {
1027         char const *test_str = "test_read_peek";
1028         int send_len = strlen(test_str) + 1;
1029         unsigned int num_peeks = 100;
1030         char buf[15];
1031         int i;
1032
1033         EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1034         for (i = 0; i < num_peeks; i++) {
1035                 EXPECT_NE(recv(self->cfd, buf, send_len, MSG_PEEK), -1);
1036                 EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
1037                 memset(buf, 0, sizeof(buf));
1038         }
1039         EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
1040         EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
1041 }
1042
1043 TEST_F(tls, recv_peek_multiple_records)
1044 {
1045         char const *test_str = "test_read_peek_mult_recs";
1046         char const *test_str_first = "test_read_peek";
1047         char const *test_str_second = "_mult_recs";
1048         int len;
1049         char buf[64];
1050
1051         len = strlen(test_str_first);
1052         EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
1053
1054         len = strlen(test_str_second) + 1;
1055         EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
1056
1057         len = strlen(test_str_first);
1058         memset(buf, 0, len);
1059         EXPECT_EQ(recv(self->cfd, buf, len, MSG_PEEK | MSG_WAITALL), len);
1060
1061         /* MSG_PEEK can only peek into the current record. */
1062         len = strlen(test_str_first);
1063         EXPECT_EQ(memcmp(test_str_first, buf, len), 0);
1064
1065         len = strlen(test_str) + 1;
1066         memset(buf, 0, len);
1067         EXPECT_EQ(recv(self->cfd, buf, len, MSG_WAITALL), len);
1068
1069         /* Non-MSG_PEEK will advance strparser (and therefore record)
1070          * however.
1071          */
1072         len = strlen(test_str) + 1;
1073         EXPECT_EQ(memcmp(test_str, buf, len), 0);
1074
1075         /* MSG_MORE will hold current record open, so later MSG_PEEK
1076          * will see everything.
1077          */
1078         len = strlen(test_str_first);
1079         EXPECT_EQ(send(self->fd, test_str_first, len, MSG_MORE), len);
1080
1081         len = strlen(test_str_second) + 1;
1082         EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
1083
1084         len = strlen(test_str) + 1;
1085         memset(buf, 0, len);
1086         EXPECT_EQ(recv(self->cfd, buf, len, MSG_PEEK | MSG_WAITALL), len);
1087
1088         len = strlen(test_str) + 1;
1089         EXPECT_EQ(memcmp(test_str, buf, len), 0);
1090 }
1091
1092 TEST_F(tls, recv_peek_large_buf_mult_recs)
1093 {
1094         char const *test_str = "test_read_peek_mult_recs";
1095         char const *test_str_first = "test_read_peek";
1096         char const *test_str_second = "_mult_recs";
1097         int len;
1098         char buf[64];
1099
1100         len = strlen(test_str_first);
1101         EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
1102
1103         len = strlen(test_str_second) + 1;
1104         EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
1105
1106         len = strlen(test_str) + 1;
1107         memset(buf, 0, len);
1108         EXPECT_NE((len = recv(self->cfd, buf, len,
1109                               MSG_PEEK | MSG_WAITALL)), -1);
1110         len = strlen(test_str) + 1;
1111         EXPECT_EQ(memcmp(test_str, buf, len), 0);
1112 }
1113
1114 TEST_F(tls, recv_lowat)
1115 {
1116         char send_mem[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
1117         char recv_mem[20];
1118         int lowat = 8;
1119
1120         EXPECT_EQ(send(self->fd, send_mem, 10, 0), 10);
1121         EXPECT_EQ(send(self->fd, send_mem, 5, 0), 5);
1122
1123         memset(recv_mem, 0, 20);
1124         EXPECT_EQ(setsockopt(self->cfd, SOL_SOCKET, SO_RCVLOWAT,
1125                              &lowat, sizeof(lowat)), 0);
1126         EXPECT_EQ(recv(self->cfd, recv_mem, 1, MSG_WAITALL), 1);
1127         EXPECT_EQ(recv(self->cfd, recv_mem + 1, 6, MSG_WAITALL), 6);
1128         EXPECT_EQ(recv(self->cfd, recv_mem + 7, 10, 0), 8);
1129
1130         EXPECT_EQ(memcmp(send_mem, recv_mem, 10), 0);
1131         EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0);
1132 }
1133
1134 TEST_F(tls, bidir)
1135 {
1136         char const *test_str = "test_read";
1137         int send_len = 10;
1138         char buf[10];
1139         int ret;
1140
1141         if (!self->notls) {
1142                 struct tls_crypto_info_keys tls12;
1143
1144                 tls_crypto_info_init(variant->tls_version, variant->cipher_type,
1145                                      &tls12);
1146
1147                 ret = setsockopt(self->fd, SOL_TLS, TLS_RX, &tls12,
1148                                  tls12.len);
1149                 ASSERT_EQ(ret, 0);
1150
1151                 ret = setsockopt(self->cfd, SOL_TLS, TLS_TX, &tls12,
1152                                  tls12.len);
1153                 ASSERT_EQ(ret, 0);
1154         }
1155
1156         ASSERT_EQ(strlen(test_str) + 1, send_len);
1157
1158         EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1159         EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
1160         EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1161
1162         memset(buf, 0, sizeof(buf));
1163
1164         EXPECT_EQ(send(self->cfd, test_str, send_len, 0), send_len);
1165         EXPECT_NE(recv(self->fd, buf, send_len, 0), -1);
1166         EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1167 };
1168
1169 TEST_F(tls, pollin)
1170 {
1171         char const *test_str = "test_poll";
1172         struct pollfd fd = { 0, 0, 0 };
1173         char buf[10];
1174         int send_len = 10;
1175
1176         EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1177         fd.fd = self->cfd;
1178         fd.events = POLLIN;
1179
1180         EXPECT_EQ(poll(&fd, 1, 20), 1);
1181         EXPECT_EQ(fd.revents & POLLIN, 1);
1182         EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len);
1183         /* Test timing out */
1184         EXPECT_EQ(poll(&fd, 1, 20), 0);
1185 }
1186
1187 TEST_F(tls, poll_wait)
1188 {
1189         char const *test_str = "test_poll_wait";
1190         int send_len = strlen(test_str) + 1;
1191         struct pollfd fd = { 0, 0, 0 };
1192         char recv_mem[15];
1193
1194         fd.fd = self->cfd;
1195         fd.events = POLLIN;
1196         EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1197         /* Set timeout to inf. secs */
1198         EXPECT_EQ(poll(&fd, 1, -1), 1);
1199         EXPECT_EQ(fd.revents & POLLIN, 1);
1200         EXPECT_EQ(recv(self->cfd, recv_mem, send_len, MSG_WAITALL), send_len);
1201 }
1202
1203 TEST_F(tls, poll_wait_split)
1204 {
1205         struct pollfd fd = { 0, 0, 0 };
1206         char send_mem[20] = {};
1207         char recv_mem[15];
1208
1209         fd.fd = self->cfd;
1210         fd.events = POLLIN;
1211         /* Send 20 bytes */
1212         EXPECT_EQ(send(self->fd, send_mem, sizeof(send_mem), 0),
1213                   sizeof(send_mem));
1214         /* Poll with inf. timeout */
1215         EXPECT_EQ(poll(&fd, 1, -1), 1);
1216         EXPECT_EQ(fd.revents & POLLIN, 1);
1217         EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), MSG_WAITALL),
1218                   sizeof(recv_mem));
1219
1220         /* Now the remaining 5 bytes of record data are in TLS ULP */
1221         fd.fd = self->cfd;
1222         fd.events = POLLIN;
1223         EXPECT_EQ(poll(&fd, 1, -1), 1);
1224         EXPECT_EQ(fd.revents & POLLIN, 1);
1225         EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0),
1226                   sizeof(send_mem) - sizeof(recv_mem));
1227 }
1228
1229 TEST_F(tls, blocking)
1230 {
1231         size_t data = 100000;
1232         int res = fork();
1233
1234         EXPECT_NE(res, -1);
1235
1236         if (res) {
1237                 /* parent */
1238                 size_t left = data;
1239                 char buf[16384];
1240                 int status;
1241                 int pid2;
1242
1243                 while (left) {
1244                         int res = send(self->fd, buf,
1245                                        left > 16384 ? 16384 : left, 0);
1246
1247                         EXPECT_GE(res, 0);
1248                         left -= res;
1249                 }
1250
1251                 pid2 = wait(&status);
1252                 EXPECT_EQ(status, 0);
1253                 EXPECT_EQ(res, pid2);
1254         } else {
1255                 /* child */
1256                 size_t left = data;
1257                 char buf[16384];
1258
1259                 while (left) {
1260                         int res = recv(self->cfd, buf,
1261                                        left > 16384 ? 16384 : left, 0);
1262
1263                         EXPECT_GE(res, 0);
1264                         left -= res;
1265                 }
1266         }
1267 }
1268
1269 TEST_F(tls, nonblocking)
1270 {
1271         size_t data = 100000;
1272         int sendbuf = 100;
1273         int flags;
1274         int res;
1275
1276         flags = fcntl(self->fd, F_GETFL, 0);
1277         fcntl(self->fd, F_SETFL, flags | O_NONBLOCK);
1278         fcntl(self->cfd, F_SETFL, flags | O_NONBLOCK);
1279
1280         /* Ensure nonblocking behavior by imposing a small send
1281          * buffer.
1282          */
1283         EXPECT_EQ(setsockopt(self->fd, SOL_SOCKET, SO_SNDBUF,
1284                              &sendbuf, sizeof(sendbuf)), 0);
1285
1286         res = fork();
1287         EXPECT_NE(res, -1);
1288
1289         if (res) {
1290                 /* parent */
1291                 bool eagain = false;
1292                 size_t left = data;
1293                 char buf[16384];
1294                 int status;
1295                 int pid2;
1296
1297                 while (left) {
1298                         int res = send(self->fd, buf,
1299                                        left > 16384 ? 16384 : left, 0);
1300
1301                         if (res == -1 && errno == EAGAIN) {
1302                                 eagain = true;
1303                                 usleep(10000);
1304                                 continue;
1305                         }
1306                         EXPECT_GE(res, 0);
1307                         left -= res;
1308                 }
1309
1310                 EXPECT_TRUE(eagain);
1311                 pid2 = wait(&status);
1312
1313                 EXPECT_EQ(status, 0);
1314                 EXPECT_EQ(res, pid2);
1315         } else {
1316                 /* child */
1317                 bool eagain = false;
1318                 size_t left = data;
1319                 char buf[16384];
1320
1321                 while (left) {
1322                         int res = recv(self->cfd, buf,
1323                                        left > 16384 ? 16384 : left, 0);
1324
1325                         if (res == -1 && errno == EAGAIN) {
1326                                 eagain = true;
1327                                 usleep(10000);
1328                                 continue;
1329                         }
1330                         EXPECT_GE(res, 0);
1331                         left -= res;
1332                 }
1333                 EXPECT_TRUE(eagain);
1334         }
1335 }
1336
1337 static void
1338 test_mutliproc(struct __test_metadata *_metadata, struct _test_data_tls *self,
1339                bool sendpg, unsigned int n_readers, unsigned int n_writers)
1340 {
1341         const unsigned int n_children = n_readers + n_writers;
1342         const size_t data = 6 * 1000 * 1000;
1343         const size_t file_sz = data / 100;
1344         size_t read_bias, write_bias;
1345         int i, fd, child_id;
1346         char buf[file_sz];
1347         pid_t pid;
1348
1349         /* Only allow multiples for simplicity */
1350         ASSERT_EQ(!(n_readers % n_writers) || !(n_writers % n_readers), true);
1351         read_bias = n_writers / n_readers ?: 1;
1352         write_bias = n_readers / n_writers ?: 1;
1353
1354         /* prep a file to send */
1355         fd = open("/tmp/", O_TMPFILE | O_RDWR, 0600);
1356         ASSERT_GE(fd, 0);
1357
1358         memset(buf, 0xac, file_sz);
1359         ASSERT_EQ(write(fd, buf, file_sz), file_sz);
1360
1361         /* spawn children */
1362         for (child_id = 0; child_id < n_children; child_id++) {
1363                 pid = fork();
1364                 ASSERT_NE(pid, -1);
1365                 if (!pid)
1366                         break;
1367         }
1368
1369         /* parent waits for all children */
1370         if (pid) {
1371                 for (i = 0; i < n_children; i++) {
1372                         int status;
1373
1374                         wait(&status);
1375                         EXPECT_EQ(status, 0);
1376                 }
1377
1378                 return;
1379         }
1380
1381         /* Split threads for reading and writing */
1382         if (child_id < n_readers) {
1383                 size_t left = data * read_bias;
1384                 char rb[8001];
1385
1386                 while (left) {
1387                         int res;
1388
1389                         res = recv(self->cfd, rb,
1390                                    left > sizeof(rb) ? sizeof(rb) : left, 0);
1391
1392                         EXPECT_GE(res, 0);
1393                         left -= res;
1394                 }
1395         } else {
1396                 size_t left = data * write_bias;
1397
1398                 while (left) {
1399                         int res;
1400
1401                         ASSERT_EQ(lseek(fd, 0, SEEK_SET), 0);
1402                         if (sendpg)
1403                                 res = sendfile(self->fd, fd, NULL,
1404                                                left > file_sz ? file_sz : left);
1405                         else
1406                                 res = send(self->fd, buf,
1407                                            left > file_sz ? file_sz : left, 0);
1408
1409                         EXPECT_GE(res, 0);
1410                         left -= res;
1411                 }
1412         }
1413 }
1414
1415 TEST_F(tls, mutliproc_even)
1416 {
1417         test_mutliproc(_metadata, self, false, 6, 6);
1418 }
1419
1420 TEST_F(tls, mutliproc_readers)
1421 {
1422         test_mutliproc(_metadata, self, false, 4, 12);
1423 }
1424
1425 TEST_F(tls, mutliproc_writers)
1426 {
1427         test_mutliproc(_metadata, self, false, 10, 2);
1428 }
1429
1430 TEST_F(tls, mutliproc_sendpage_even)
1431 {
1432         test_mutliproc(_metadata, self, true, 6, 6);
1433 }
1434
1435 TEST_F(tls, mutliproc_sendpage_readers)
1436 {
1437         test_mutliproc(_metadata, self, true, 4, 12);
1438 }
1439
1440 TEST_F(tls, mutliproc_sendpage_writers)
1441 {
1442         test_mutliproc(_metadata, self, true, 10, 2);
1443 }
1444
1445 TEST_F(tls, control_msg)
1446 {
1447         char *test_str = "test_read";
1448         char record_type = 100;
1449         int send_len = 10;
1450         char buf[10];
1451
1452         if (self->notls)
1453                 SKIP(return, "no TLS support");
1454
1455         EXPECT_EQ(tls_send_cmsg(self->fd, record_type, test_str, send_len, 0),
1456                   send_len);
1457         /* Should fail because we didn't provide a control message */
1458         EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
1459
1460         EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type,
1461                                 buf, sizeof(buf), MSG_WAITALL | MSG_PEEK),
1462                   send_len);
1463         EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1464
1465         /* Recv the message again without MSG_PEEK */
1466         memset(buf, 0, sizeof(buf));
1467
1468         EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type,
1469                                 buf, sizeof(buf), MSG_WAITALL),
1470                   send_len);
1471         EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1472 }
1473
1474 TEST_F(tls, shutdown)
1475 {
1476         char const *test_str = "test_read";
1477         int send_len = 10;
1478         char buf[10];
1479
1480         ASSERT_EQ(strlen(test_str) + 1, send_len);
1481
1482         EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1483         EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
1484         EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1485
1486         shutdown(self->fd, SHUT_RDWR);
1487         shutdown(self->cfd, SHUT_RDWR);
1488 }
1489
1490 TEST_F(tls, shutdown_unsent)
1491 {
1492         char const *test_str = "test_read";
1493         int send_len = 10;
1494
1495         EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
1496
1497         shutdown(self->fd, SHUT_RDWR);
1498         shutdown(self->cfd, SHUT_RDWR);
1499 }
1500
1501 TEST_F(tls, shutdown_reuse)
1502 {
1503         struct sockaddr_in addr;
1504         int ret;
1505
1506         shutdown(self->fd, SHUT_RDWR);
1507         shutdown(self->cfd, SHUT_RDWR);
1508         close(self->cfd);
1509
1510         addr.sin_family = AF_INET;
1511         addr.sin_addr.s_addr = htonl(INADDR_ANY);
1512         addr.sin_port = 0;
1513
1514         ret = bind(self->fd, &addr, sizeof(addr));
1515         EXPECT_EQ(ret, 0);
1516         ret = listen(self->fd, 10);
1517         EXPECT_EQ(ret, -1);
1518         EXPECT_EQ(errno, EINVAL);
1519
1520         ret = connect(self->fd, &addr, sizeof(addr));
1521         EXPECT_EQ(ret, -1);
1522         EXPECT_EQ(errno, EISCONN);
1523 }
1524
1525 TEST_F(tls, getsockopt)
1526 {
1527         struct tls_crypto_info_keys expect, get;
1528         socklen_t len;
1529
1530         /* get only the version/cipher */
1531         len = sizeof(struct tls_crypto_info);
1532         memrnd(&get, sizeof(get));
1533         EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), 0);
1534         EXPECT_EQ(len, sizeof(struct tls_crypto_info));
1535         EXPECT_EQ(get.crypto_info.version, variant->tls_version);
1536         EXPECT_EQ(get.crypto_info.cipher_type, variant->cipher_type);
1537
1538         /* get the full crypto_info */
1539         tls_crypto_info_init(variant->tls_version, variant->cipher_type, &expect);
1540         len = expect.len;
1541         memrnd(&get, sizeof(get));
1542         EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), 0);
1543         EXPECT_EQ(len, expect.len);
1544         EXPECT_EQ(get.crypto_info.version, variant->tls_version);
1545         EXPECT_EQ(get.crypto_info.cipher_type, variant->cipher_type);
1546         EXPECT_EQ(memcmp(&get, &expect, expect.len), 0);
1547
1548         /* short get should fail */
1549         len = sizeof(struct tls_crypto_info) - 1;
1550         EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), -1);
1551         EXPECT_EQ(errno, EINVAL);
1552
1553         /* partial get of the cipher data should fail */
1554         len = expect.len - 1;
1555         EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), -1);
1556         EXPECT_EQ(errno, EINVAL);
1557 }
1558
1559 FIXTURE(tls_err)
1560 {
1561         int fd, cfd;
1562         int fd2, cfd2;
1563         bool notls;
1564 };
1565
1566 FIXTURE_VARIANT(tls_err)
1567 {
1568         uint16_t tls_version;
1569 };
1570
1571 FIXTURE_VARIANT_ADD(tls_err, 12_aes_gcm)
1572 {
1573         .tls_version = TLS_1_2_VERSION,
1574 };
1575
1576 FIXTURE_VARIANT_ADD(tls_err, 13_aes_gcm)
1577 {
1578         .tls_version = TLS_1_3_VERSION,
1579 };
1580
1581 FIXTURE_SETUP(tls_err)
1582 {
1583         struct tls_crypto_info_keys tls12;
1584         int ret;
1585
1586         tls_crypto_info_init(variant->tls_version, TLS_CIPHER_AES_GCM_128,
1587                              &tls12);
1588
1589         ulp_sock_pair(_metadata, &self->fd, &self->cfd, &self->notls);
1590         ulp_sock_pair(_metadata, &self->fd2, &self->cfd2, &self->notls);
1591         if (self->notls)
1592                 return;
1593
1594         ret = setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, tls12.len);
1595         ASSERT_EQ(ret, 0);
1596
1597         ret = setsockopt(self->cfd2, SOL_TLS, TLS_RX, &tls12, tls12.len);
1598         ASSERT_EQ(ret, 0);
1599 }
1600
1601 FIXTURE_TEARDOWN(tls_err)
1602 {
1603         close(self->fd);
1604         close(self->cfd);
1605         close(self->fd2);
1606         close(self->cfd2);
1607 }
1608
1609 TEST_F(tls_err, bad_rec)
1610 {
1611         char buf[64];
1612
1613         if (self->notls)
1614                 SKIP(return, "no TLS support");
1615
1616         memset(buf, 0x55, sizeof(buf));
1617         EXPECT_EQ(send(self->fd2, buf, sizeof(buf), 0), sizeof(buf));
1618         EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1619         EXPECT_EQ(errno, EMSGSIZE);
1620         EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), MSG_DONTWAIT), -1);
1621         EXPECT_EQ(errno, EAGAIN);
1622 }
1623
1624 TEST_F(tls_err, bad_auth)
1625 {
1626         char buf[128];
1627         int n;
1628
1629         if (self->notls)
1630                 SKIP(return, "no TLS support");
1631
1632         memrnd(buf, sizeof(buf) / 2);
1633         EXPECT_EQ(send(self->fd, buf, sizeof(buf) / 2, 0), sizeof(buf) / 2);
1634         n = recv(self->cfd, buf, sizeof(buf), 0);
1635         EXPECT_GT(n, sizeof(buf) / 2);
1636
1637         buf[n - 1]++;
1638
1639         EXPECT_EQ(send(self->fd2, buf, n, 0), n);
1640         EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1641         EXPECT_EQ(errno, EBADMSG);
1642         EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1643         EXPECT_EQ(errno, EBADMSG);
1644 }
1645
1646 TEST_F(tls_err, bad_in_large_read)
1647 {
1648         char txt[3][64];
1649         char cip[3][128];
1650         char buf[3 * 128];
1651         int i, n;
1652
1653         if (self->notls)
1654                 SKIP(return, "no TLS support");
1655
1656         /* Put 3 records in the sockets */
1657         for (i = 0; i < 3; i++) {
1658                 memrnd(txt[i], sizeof(txt[i]));
1659                 EXPECT_EQ(send(self->fd, txt[i], sizeof(txt[i]), 0),
1660                           sizeof(txt[i]));
1661                 n = recv(self->cfd, cip[i], sizeof(cip[i]), 0);
1662                 EXPECT_GT(n, sizeof(txt[i]));
1663                 /* Break the third message */
1664                 if (i == 2)
1665                         cip[2][n - 1]++;
1666                 EXPECT_EQ(send(self->fd2, cip[i], n, 0), n);
1667         }
1668
1669         /* We should be able to receive the first two messages */
1670         EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), sizeof(txt[0]) * 2);
1671         EXPECT_EQ(memcmp(buf, txt[0], sizeof(txt[0])), 0);
1672         EXPECT_EQ(memcmp(buf + sizeof(txt[0]), txt[1], sizeof(txt[1])), 0);
1673         /* Third mesasge is bad */
1674         EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1675         EXPECT_EQ(errno, EBADMSG);
1676         EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1677         EXPECT_EQ(errno, EBADMSG);
1678 }
1679
1680 TEST_F(tls_err, bad_cmsg)
1681 {
1682         char *test_str = "test_read";
1683         int send_len = 10;
1684         char cip[128];
1685         char buf[128];
1686         char txt[64];
1687         int n;
1688
1689         if (self->notls)
1690                 SKIP(return, "no TLS support");
1691
1692         /* Queue up one data record */
1693         memrnd(txt, sizeof(txt));
1694         EXPECT_EQ(send(self->fd, txt, sizeof(txt), 0), sizeof(txt));
1695         n = recv(self->cfd, cip, sizeof(cip), 0);
1696         EXPECT_GT(n, sizeof(txt));
1697         EXPECT_EQ(send(self->fd2, cip, n, 0), n);
1698
1699         EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10);
1700         n = recv(self->cfd, cip, sizeof(cip), 0);
1701         cip[n - 1]++; /* Break it */
1702         EXPECT_GT(n, send_len);
1703         EXPECT_EQ(send(self->fd2, cip, n, 0), n);
1704
1705         EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), sizeof(txt));
1706         EXPECT_EQ(memcmp(buf, txt, sizeof(txt)), 0);
1707         EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1708         EXPECT_EQ(errno, EBADMSG);
1709         EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1710         EXPECT_EQ(errno, EBADMSG);
1711 }
1712
1713 TEST_F(tls_err, timeo)
1714 {
1715         struct timeval tv = { .tv_usec = 10000, };
1716         char buf[128];
1717         int ret;
1718
1719         if (self->notls)
1720                 SKIP(return, "no TLS support");
1721
1722         ret = setsockopt(self->cfd2, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
1723         ASSERT_EQ(ret, 0);
1724
1725         ret = fork();
1726         ASSERT_GE(ret, 0);
1727
1728         if (ret) {
1729                 usleep(1000); /* Give child a head start */
1730
1731                 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1732                 EXPECT_EQ(errno, EAGAIN);
1733
1734                 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1735                 EXPECT_EQ(errno, EAGAIN);
1736
1737                 wait(&ret);
1738         } else {
1739                 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1740                 EXPECT_EQ(errno, EAGAIN);
1741                 exit(0);
1742         }
1743 }
1744
1745 TEST_F(tls_err, poll_partial_rec)
1746 {
1747         struct pollfd pfd = { };
1748         ssize_t rec_len;
1749         char rec[256];
1750         char buf[128];
1751
1752         if (self->notls)
1753                 SKIP(return, "no TLS support");
1754
1755         pfd.fd = self->cfd2;
1756         pfd.events = POLLIN;
1757         EXPECT_EQ(poll(&pfd, 1, 1), 0);
1758
1759         memrnd(buf, sizeof(buf));
1760         EXPECT_EQ(send(self->fd, buf, sizeof(buf), 0), sizeof(buf));
1761         rec_len = recv(self->cfd, rec, sizeof(rec), 0);
1762         EXPECT_GT(rec_len, sizeof(buf));
1763
1764         /* Write 100B, not the full record ... */
1765         EXPECT_EQ(send(self->fd2, rec, 100, 0), 100);
1766         /* ... no full record should mean no POLLIN */
1767         pfd.fd = self->cfd2;
1768         pfd.events = POLLIN;
1769         EXPECT_EQ(poll(&pfd, 1, 1), 0);
1770         /* Now write the rest, and it should all pop out of the other end. */
1771         EXPECT_EQ(send(self->fd2, rec + 100, rec_len - 100, 0), rec_len - 100);
1772         pfd.fd = self->cfd2;
1773         pfd.events = POLLIN;
1774         EXPECT_EQ(poll(&pfd, 1, 1), 1);
1775         EXPECT_EQ(recv(self->cfd2, rec, sizeof(rec), 0), sizeof(buf));
1776         EXPECT_EQ(memcmp(buf, rec, sizeof(buf)), 0);
1777 }
1778
1779 TEST_F(tls_err, epoll_partial_rec)
1780 {
1781         struct epoll_event ev, events[10];
1782         ssize_t rec_len;
1783         char rec[256];
1784         char buf[128];
1785         int epollfd;
1786
1787         if (self->notls)
1788                 SKIP(return, "no TLS support");
1789
1790         epollfd = epoll_create1(0);
1791         ASSERT_GE(epollfd, 0);
1792
1793         memset(&ev, 0, sizeof(ev));
1794         ev.events = EPOLLIN;
1795         ev.data.fd = self->cfd2;
1796         ASSERT_GE(epoll_ctl(epollfd, EPOLL_CTL_ADD, self->cfd2, &ev), 0);
1797
1798         EXPECT_EQ(epoll_wait(epollfd, events, 10, 0), 0);
1799
1800         memrnd(buf, sizeof(buf));
1801         EXPECT_EQ(send(self->fd, buf, sizeof(buf), 0), sizeof(buf));
1802         rec_len = recv(self->cfd, rec, sizeof(rec), 0);
1803         EXPECT_GT(rec_len, sizeof(buf));
1804
1805         /* Write 100B, not the full record ... */
1806         EXPECT_EQ(send(self->fd2, rec, 100, 0), 100);
1807         /* ... no full record should mean no POLLIN */
1808         EXPECT_EQ(epoll_wait(epollfd, events, 10, 0), 0);
1809         /* Now write the rest, and it should all pop out of the other end. */
1810         EXPECT_EQ(send(self->fd2, rec + 100, rec_len - 100, 0), rec_len - 100);
1811         EXPECT_EQ(epoll_wait(epollfd, events, 10, 0), 1);
1812         EXPECT_EQ(recv(self->cfd2, rec, sizeof(rec), 0), sizeof(buf));
1813         EXPECT_EQ(memcmp(buf, rec, sizeof(buf)), 0);
1814
1815         close(epollfd);
1816 }
1817
1818 TEST_F(tls_err, poll_partial_rec_async)
1819 {
1820         struct pollfd pfd = { };
1821         ssize_t rec_len;
1822         char rec[256];
1823         char buf[128];
1824         char token;
1825         int p[2];
1826         int ret;
1827
1828         if (self->notls)
1829                 SKIP(return, "no TLS support");
1830
1831         ASSERT_GE(pipe(p), 0);
1832
1833         memrnd(buf, sizeof(buf));
1834         EXPECT_EQ(send(self->fd, buf, sizeof(buf), 0), sizeof(buf));
1835         rec_len = recv(self->cfd, rec, sizeof(rec), 0);
1836         EXPECT_GT(rec_len, sizeof(buf));
1837
1838         ret = fork();
1839         ASSERT_GE(ret, 0);
1840
1841         if (ret) {
1842                 int status, pid2;
1843
1844                 close(p[1]);
1845                 usleep(1000); /* Give child a head start */
1846
1847                 EXPECT_EQ(send(self->fd2, rec, 100, 0), 100);
1848
1849                 EXPECT_EQ(read(p[0], &token, 1), 1); /* Barrier #1 */
1850
1851                 EXPECT_EQ(send(self->fd2, rec + 100, rec_len - 100, 0),
1852                           rec_len - 100);
1853
1854                 pid2 = wait(&status);
1855                 EXPECT_EQ(pid2, ret);
1856                 EXPECT_EQ(status, 0);
1857         } else {
1858                 close(p[0]);
1859
1860                 /* Child should sleep in poll(), never get a wake */
1861                 pfd.fd = self->cfd2;
1862                 pfd.events = POLLIN;
1863                 EXPECT_EQ(poll(&pfd, 1, 5), 0);
1864
1865                 EXPECT_EQ(write(p[1], &token, 1), 1); /* Barrier #1 */
1866
1867                 pfd.fd = self->cfd2;
1868                 pfd.events = POLLIN;
1869                 EXPECT_EQ(poll(&pfd, 1, 5), 1);
1870
1871                 exit(!_metadata->passed);
1872         }
1873 }
1874
1875 TEST(non_established) {
1876         struct tls12_crypto_info_aes_gcm_256 tls12;
1877         struct sockaddr_in addr;
1878         int sfd, ret, fd;
1879         socklen_t len;
1880
1881         len = sizeof(addr);
1882
1883         memset(&tls12, 0, sizeof(tls12));
1884         tls12.info.version = TLS_1_2_VERSION;
1885         tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
1886
1887         addr.sin_family = AF_INET;
1888         addr.sin_addr.s_addr = htonl(INADDR_ANY);
1889         addr.sin_port = 0;
1890
1891         fd = socket(AF_INET, SOCK_STREAM, 0);
1892         sfd = socket(AF_INET, SOCK_STREAM, 0);
1893
1894         ret = bind(sfd, &addr, sizeof(addr));
1895         ASSERT_EQ(ret, 0);
1896         ret = listen(sfd, 10);
1897         ASSERT_EQ(ret, 0);
1898
1899         ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1900         EXPECT_EQ(ret, -1);
1901         /* TLS ULP not supported */
1902         if (errno == ENOENT)
1903                 return;
1904         EXPECT_EQ(errno, ENOTCONN);
1905
1906         ret = setsockopt(sfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1907         EXPECT_EQ(ret, -1);
1908         EXPECT_EQ(errno, ENOTCONN);
1909
1910         ret = getsockname(sfd, &addr, &len);
1911         ASSERT_EQ(ret, 0);
1912
1913         ret = connect(fd, &addr, sizeof(addr));
1914         ASSERT_EQ(ret, 0);
1915
1916         ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1917         ASSERT_EQ(ret, 0);
1918
1919         ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1920         EXPECT_EQ(ret, -1);
1921         EXPECT_EQ(errno, EEXIST);
1922
1923         close(fd);
1924         close(sfd);
1925 }
1926
1927 TEST(keysizes) {
1928         struct tls12_crypto_info_aes_gcm_256 tls12;
1929         int ret, fd, cfd;
1930         bool notls;
1931
1932         memset(&tls12, 0, sizeof(tls12));
1933         tls12.info.version = TLS_1_2_VERSION;
1934         tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
1935
1936         ulp_sock_pair(_metadata, &fd, &cfd, &notls);
1937
1938         if (!notls) {
1939                 ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12,
1940                                  sizeof(tls12));
1941                 EXPECT_EQ(ret, 0);
1942
1943                 ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12,
1944                                  sizeof(tls12));
1945                 EXPECT_EQ(ret, 0);
1946         }
1947
1948         close(fd);
1949         close(cfd);
1950 }
1951
1952 TEST(no_pad) {
1953         struct tls12_crypto_info_aes_gcm_256 tls12;
1954         int ret, fd, cfd, val;
1955         socklen_t len;
1956         bool notls;
1957
1958         memset(&tls12, 0, sizeof(tls12));
1959         tls12.info.version = TLS_1_3_VERSION;
1960         tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
1961
1962         ulp_sock_pair(_metadata, &fd, &cfd, &notls);
1963
1964         if (notls)
1965                 exit(KSFT_SKIP);
1966
1967         ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12, sizeof(tls12));
1968         EXPECT_EQ(ret, 0);
1969
1970         ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12, sizeof(tls12));
1971         EXPECT_EQ(ret, 0);
1972
1973         val = 1;
1974         ret = setsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD,
1975                          (void *)&val, sizeof(val));
1976         EXPECT_EQ(ret, 0);
1977
1978         len = sizeof(val);
1979         val = 2;
1980         ret = getsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD,
1981                          (void *)&val, &len);
1982         EXPECT_EQ(ret, 0);
1983         EXPECT_EQ(val, 1);
1984         EXPECT_EQ(len, 4);
1985
1986         val = 0;
1987         ret = setsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD,
1988                          (void *)&val, sizeof(val));
1989         EXPECT_EQ(ret, 0);
1990
1991         len = sizeof(val);
1992         val = 2;
1993         ret = getsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD,
1994                          (void *)&val, &len);
1995         EXPECT_EQ(ret, 0);
1996         EXPECT_EQ(val, 0);
1997         EXPECT_EQ(len, 4);
1998
1999         close(fd);
2000         close(cfd);
2001 }
2002
2003 TEST(tls_v6ops) {
2004         struct tls_crypto_info_keys tls12;
2005         struct sockaddr_in6 addr, addr2;
2006         int sfd, ret, fd;
2007         socklen_t len, len2;
2008
2009         tls_crypto_info_init(TLS_1_2_VERSION, TLS_CIPHER_AES_GCM_128, &tls12);
2010
2011         addr.sin6_family = AF_INET6;
2012         addr.sin6_addr = in6addr_any;
2013         addr.sin6_port = 0;
2014
2015         fd = socket(AF_INET6, SOCK_STREAM, 0);
2016         sfd = socket(AF_INET6, SOCK_STREAM, 0);
2017
2018         ret = bind(sfd, &addr, sizeof(addr));
2019         ASSERT_EQ(ret, 0);
2020         ret = listen(sfd, 10);
2021         ASSERT_EQ(ret, 0);
2022
2023         len = sizeof(addr);
2024         ret = getsockname(sfd, &addr, &len);
2025         ASSERT_EQ(ret, 0);
2026
2027         ret = connect(fd, &addr, sizeof(addr));
2028         ASSERT_EQ(ret, 0);
2029
2030         len = sizeof(addr);
2031         ret = getsockname(fd, &addr, &len);
2032         ASSERT_EQ(ret, 0);
2033
2034         ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
2035         if (ret) {
2036                 ASSERT_EQ(errno, ENOENT);
2037                 SKIP(return, "no TLS support");
2038         }
2039         ASSERT_EQ(ret, 0);
2040
2041         ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12, tls12.len);
2042         ASSERT_EQ(ret, 0);
2043
2044         ret = setsockopt(fd, SOL_TLS, TLS_RX, &tls12, tls12.len);
2045         ASSERT_EQ(ret, 0);
2046
2047         len2 = sizeof(addr2);
2048         ret = getsockname(fd, &addr2, &len2);
2049         ASSERT_EQ(ret, 0);
2050
2051         EXPECT_EQ(len2, len);
2052         EXPECT_EQ(memcmp(&addr, &addr2, len), 0);
2053
2054         close(fd);
2055         close(sfd);
2056 }
2057
2058 TEST(prequeue) {
2059         struct tls_crypto_info_keys tls12;
2060         char buf[20000], buf2[20000];
2061         struct sockaddr_in addr;
2062         int sfd, cfd, ret, fd;
2063         socklen_t len;
2064
2065         len = sizeof(addr);
2066         memrnd(buf, sizeof(buf));
2067
2068         tls_crypto_info_init(TLS_1_2_VERSION, TLS_CIPHER_AES_GCM_256, &tls12);
2069
2070         addr.sin_family = AF_INET;
2071         addr.sin_addr.s_addr = htonl(INADDR_ANY);
2072         addr.sin_port = 0;
2073
2074         fd = socket(AF_INET, SOCK_STREAM, 0);
2075         sfd = socket(AF_INET, SOCK_STREAM, 0);
2076
2077         ASSERT_EQ(bind(sfd, &addr, sizeof(addr)), 0);
2078         ASSERT_EQ(listen(sfd, 10), 0);
2079         ASSERT_EQ(getsockname(sfd, &addr, &len), 0);
2080         ASSERT_EQ(connect(fd, &addr, sizeof(addr)), 0);
2081         ASSERT_GE(cfd = accept(sfd, &addr, &len), 0);
2082         close(sfd);
2083
2084         ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
2085         if (ret) {
2086                 ASSERT_EQ(errno, ENOENT);
2087                 SKIP(return, "no TLS support");
2088         }
2089
2090         ASSERT_EQ(setsockopt(fd, SOL_TLS, TLS_TX, &tls12, tls12.len), 0);
2091         EXPECT_EQ(send(fd, buf, sizeof(buf), MSG_DONTWAIT), sizeof(buf));
2092
2093         ASSERT_EQ(setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")), 0);
2094         ASSERT_EQ(setsockopt(cfd, SOL_TLS, TLS_RX, &tls12, tls12.len), 0);
2095         EXPECT_EQ(recv(cfd, buf2, sizeof(buf2), MSG_WAITALL), sizeof(buf2));
2096
2097         EXPECT_EQ(memcmp(buf, buf2, sizeof(buf)), 0);
2098
2099         close(fd);
2100         close(cfd);
2101 }
2102
2103 static void __attribute__((constructor)) fips_check(void) {
2104         int res;
2105         FILE *f;
2106
2107         f = fopen("/proc/sys/crypto/fips_enabled", "r");
2108         if (f) {
2109                 res = fscanf(f, "%d", &fips_enabled);
2110                 if (res != 1)
2111                         ksft_print_msg("ERROR: Couldn't read /proc/sys/crypto/fips_enabled\n");
2112                 fclose(f);
2113         }
2114 }
2115
2116 TEST_HARNESS_MAIN