--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+
+#define _GNU_SOURCE
+
+#include <arpa/inet.h>
+#include <errno.h>
+#include <error.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <linux/tls.h>
+#include <linux/tcp.h>
+#include <linux/socket.h>
+
+#include <sys/types.h>
+#include <sys/sendfile.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+
+#include "../kselftest_harness.h"
+
+#define TLS_PAYLOAD_MAX_LEN 16384
+#define SOL_TLS 282
+
+FIXTURE(tls)
+{
+ int fd, cfd;
+ bool notls;
+};
+
+FIXTURE_SETUP(tls)
+{
+ struct tls12_crypto_info_aes_gcm_128 tls12;
+ struct sockaddr_in addr;
+ socklen_t len;
+ int sfd, ret;
+
+ self->notls = false;
+ len = sizeof(addr);
+
+ memset(&tls12, 0, sizeof(tls12));
+ tls12.info.version = TLS_1_2_VERSION;
+ tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
+
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = htonl(INADDR_ANY);
+ addr.sin_port = 0;
+
+ self->fd = socket(AF_INET, SOCK_STREAM, 0);
+ sfd = socket(AF_INET, SOCK_STREAM, 0);
+
+ ret = bind(sfd, &addr, sizeof(addr));
+ ASSERT_EQ(ret, 0);
+ ret = listen(sfd, 10);
+ ASSERT_EQ(ret, 0);
+
+ ret = getsockname(sfd, &addr, &len);
+ ASSERT_EQ(ret, 0);
+
+ ret = connect(self->fd, &addr, sizeof(addr));
+ ASSERT_EQ(ret, 0);
+
+ ret = setsockopt(self->fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
+ if (ret != 0) {
+ self->notls = true;
+ printf("Failure setting TCP_ULP, testing without tls\n");
+ }
+
+ if (!self->notls) {
+ ret = setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12,
+ sizeof(tls12));
+ ASSERT_EQ(ret, 0);
+ }
+
+ self->cfd = accept(sfd, &addr, &len);
+ ASSERT_GE(self->cfd, 0);
+
+ if (!self->notls) {
+ ret = setsockopt(self->cfd, IPPROTO_TCP, TCP_ULP, "tls",
+ sizeof("tls"));
+ ASSERT_EQ(ret, 0);
+
+ ret = setsockopt(self->cfd, SOL_TLS, TLS_RX, &tls12,
+ sizeof(tls12));
+ ASSERT_EQ(ret, 0);
+ }
+
+ close(sfd);
+}
+
+FIXTURE_TEARDOWN(tls)
+{
+ close(self->fd);
+ close(self->cfd);
+}
+
+TEST_F(tls, sendfile)
+{
+ int filefd = open("/proc/self/exe", O_RDONLY);
+ struct stat st;
+
+ EXPECT_GE(filefd, 0);
+ fstat(filefd, &st);
+ EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0);
+}
+
+TEST_F(tls, send_then_sendfile)
+{
+ int filefd = open("/proc/self/exe", O_RDONLY);
+ char const *test_str = "test_send";
+ int to_send = strlen(test_str) + 1;
+ char recv_buf[10];
+ struct stat st;
+ char *buf;
+
+ EXPECT_GE(filefd, 0);
+ fstat(filefd, &st);
+ buf = (char *)malloc(st.st_size);
+
+ EXPECT_EQ(send(self->fd, test_str, to_send, 0), to_send);
+ EXPECT_EQ(recv(self->cfd, recv_buf, to_send, 0), to_send);
+ EXPECT_EQ(memcmp(test_str, recv_buf, to_send), 0);
+
+ EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0);
+ EXPECT_EQ(recv(self->cfd, buf, st.st_size, 0), st.st_size);
+}
+
+TEST_F(tls, recv_max)
+{
+ unsigned int send_len = TLS_PAYLOAD_MAX_LEN;
+ char recv_mem[TLS_PAYLOAD_MAX_LEN];
+ char buf[TLS_PAYLOAD_MAX_LEN];
+
+ EXPECT_GE(send(self->fd, buf, send_len, 0), 0);
+ EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1);
+ EXPECT_EQ(memcmp(buf, recv_mem, send_len), 0);
+}
+
+TEST_F(tls, recv_small)
+{
+ char const *test_str = "test_read";
+ int send_len = 10;
+ char buf[10];
+
+ send_len = strlen(test_str) + 1;
+ EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
+ EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
+ EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
+}
+
+TEST_F(tls, msg_more)
+{
+ char const *test_str = "test_read";
+ int send_len = 10;
+ char buf[10 * 2];
+
+ EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
+ EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1);
+ EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
+ EXPECT_EQ(recv(self->cfd, buf, send_len * 2, MSG_DONTWAIT),
+ send_len * 2);
+ EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
+}
+
+TEST_F(tls, sendmsg_single)
+{
+ struct msghdr msg;
+
+ char const *test_str = "test_sendmsg";
+ size_t send_len = 13;
+ struct iovec vec;
+ char buf[13];
+
+ vec.iov_base = (char *)test_str;
+ vec.iov_len = send_len;
+ memset(&msg, 0, sizeof(struct msghdr));
+ msg.msg_iov = &vec;
+ msg.msg_iovlen = 1;
+ EXPECT_EQ(sendmsg(self->fd, &msg, 0), send_len);
+ EXPECT_EQ(recv(self->cfd, buf, send_len, 0), send_len);
+ EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
+}
+
+TEST_F(tls, sendmsg_large)
+{
+ void *mem = malloc(16384);
+ size_t send_len = 16384;
+ size_t sends = 128;
+ struct msghdr msg;
+ size_t recvs = 0;
+ size_t sent = 0;
+
+ memset(&msg, 0, sizeof(struct msghdr));
+ while (sent++ < sends) {
+ struct iovec vec = { (void *)mem, send_len };
+
+ msg.msg_iov = &vec;
+ msg.msg_iovlen = 1;
+ EXPECT_EQ(sendmsg(self->cfd, &msg, 0), send_len);
+ }
+
+ while (recvs++ < sends)
+ EXPECT_NE(recv(self->fd, mem, send_len, 0), -1);
+
+ free(mem);
+}
+
+TEST_F(tls, sendmsg_multiple)
+{
+ char const *test_str = "test_sendmsg_multiple";
+ struct iovec vec[5];
+ char *test_strs[5];
+ struct msghdr msg;
+ int total_len = 0;
+ int len_cmp = 0;
+ int iov_len = 5;
+ char *buf;
+ int i;
+
+ memset(&msg, 0, sizeof(struct msghdr));
+ for (i = 0; i < iov_len; i++) {
+ test_strs[i] = (char *)malloc(strlen(test_str) + 1);
+ snprintf(test_strs[i], strlen(test_str) + 1, "%s", test_str);
+ vec[i].iov_base = (void *)test_strs[i];
+ vec[i].iov_len = strlen(test_strs[i]) + 1;
+ total_len += vec[i].iov_len;
+ }
+ msg.msg_iov = vec;
+ msg.msg_iovlen = iov_len;
+
+ EXPECT_EQ(sendmsg(self->cfd, &msg, 0), total_len);
+ buf = malloc(total_len);
+ EXPECT_NE(recv(self->fd, buf, total_len, 0), -1);
+ for (i = 0; i < iov_len; i++) {
+ EXPECT_EQ(memcmp(test_strs[i], buf + len_cmp,
+ strlen(test_strs[i])),
+ 0);
+ len_cmp += strlen(buf + len_cmp) + 1;
+ }
+ for (i = 0; i < iov_len; i++)
+ free(test_strs[i]);
+ free(buf);
+}
+
+TEST_F(tls, sendmsg_multiple_stress)
+{
+ char const *test_str = "abcdefghijklmno";
+ struct iovec vec[1024];
+ char *test_strs[1024];
+ int iov_len = 1024;
+ int total_len = 0;
+ char buf[1 << 14];
+ struct msghdr msg;
+ int len_cmp = 0;
+ int i;
+
+ memset(&msg, 0, sizeof(struct msghdr));
+ for (i = 0; i < iov_len; i++) {
+ test_strs[i] = (char *)malloc(strlen(test_str) + 1);
+ snprintf(test_strs[i], strlen(test_str) + 1, "%s", test_str);
+ vec[i].iov_base = (void *)test_strs[i];
+ vec[i].iov_len = strlen(test_strs[i]) + 1;
+ total_len += vec[i].iov_len;
+ }
+ msg.msg_iov = vec;
+ msg.msg_iovlen = iov_len;
+
+ EXPECT_EQ(sendmsg(self->fd, &msg, 0), total_len);
+ EXPECT_NE(recv(self->cfd, buf, total_len, 0), -1);
+
+ for (i = 0; i < iov_len; i++)
+ len_cmp += strlen(buf + len_cmp) + 1;
+
+ for (i = 0; i < iov_len; i++)
+ free(test_strs[i]);
+}
+
+TEST_F(tls, splice_from_pipe)
+{
+ int send_len = TLS_PAYLOAD_MAX_LEN;
+ char mem_send[TLS_PAYLOAD_MAX_LEN];
+ char mem_recv[TLS_PAYLOAD_MAX_LEN];
+ int p[2];
+
+ ASSERT_GE(pipe(p), 0);
+ EXPECT_GE(write(p[1], mem_send, send_len), 0);
+ EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), 0);
+ EXPECT_GE(recv(self->cfd, mem_recv, send_len, 0), 0);
+ EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
+}
+
+TEST_F(tls, splice_from_pipe2)
+{
+ int send_len = 16000;
+ char mem_send[16000];
+ char mem_recv[16000];
+ int p2[2];
+ int p[2];
+
+ ASSERT_GE(pipe(p), 0);
+ ASSERT_GE(pipe(p2), 0);
+ EXPECT_GE(write(p[1], mem_send, 8000), 0);
+ EXPECT_GE(splice(p[0], NULL, self->fd, NULL, 8000, 0), 0);
+ EXPECT_GE(write(p2[1], mem_send + 8000, 8000), 0);
+ EXPECT_GE(splice(p2[0], NULL, self->fd, NULL, 8000, 0), 0);
+ EXPECT_GE(recv(self->cfd, mem_recv, send_len, 0), 0);
+ EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
+}
+
+TEST_F(tls, send_and_splice)
+{
+ int send_len = TLS_PAYLOAD_MAX_LEN;
+ char mem_send[TLS_PAYLOAD_MAX_LEN];
+ char mem_recv[TLS_PAYLOAD_MAX_LEN];
+ char const *test_str = "test_read";
+ int send_len2 = 10;
+ char buf[10];
+ int p[2];
+
+ ASSERT_GE(pipe(p), 0);
+ EXPECT_EQ(send(self->fd, test_str, send_len2, 0), send_len2);
+ EXPECT_NE(recv(self->cfd, buf, send_len2, 0), -1);
+ EXPECT_EQ(memcmp(test_str, buf, send_len2), 0);
+
+ EXPECT_GE(write(p[1], mem_send, send_len), send_len);
+ EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), send_len);
+
+ EXPECT_GE(recv(self->cfd, mem_recv, send_len, 0), 0);
+ EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
+}
+
+TEST_F(tls, splice_to_pipe)
+{
+ int send_len = TLS_PAYLOAD_MAX_LEN;
+ char mem_send[TLS_PAYLOAD_MAX_LEN];
+ char mem_recv[TLS_PAYLOAD_MAX_LEN];
+ int p[2];
+
+ ASSERT_GE(pipe(p), 0);
+ EXPECT_GE(send(self->fd, mem_send, send_len, 0), 0);
+ EXPECT_GE(splice(self->cfd, NULL, p[1], NULL, send_len, 0), 0);
+ EXPECT_GE(read(p[0], mem_recv, send_len), 0);
+ EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
+}
+
+TEST_F(tls, recvmsg_single)
+{
+ char const *test_str = "test_recvmsg_single";
+ int send_len = strlen(test_str) + 1;
+ char buf[20];
+ struct msghdr hdr;
+ struct iovec vec;
+
+ memset(&hdr, 0, sizeof(hdr));
+ EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
+ vec.iov_base = (char *)buf;
+ vec.iov_len = send_len;
+ hdr.msg_iovlen = 1;
+ hdr.msg_iov = &vec;
+ EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
+ EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
+}
+
+TEST_F(tls, recvmsg_single_max)
+{
+ int send_len = TLS_PAYLOAD_MAX_LEN;
+ char send_mem[TLS_PAYLOAD_MAX_LEN];
+ char recv_mem[TLS_PAYLOAD_MAX_LEN];
+ struct iovec vec;
+ struct msghdr hdr;
+
+ EXPECT_EQ(send(self->fd, send_mem, send_len, 0), send_len);
+ vec.iov_base = (char *)recv_mem;
+ vec.iov_len = TLS_PAYLOAD_MAX_LEN;
+
+ hdr.msg_iovlen = 1;
+ hdr.msg_iov = &vec;
+ EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
+ EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0);
+}
+
+TEST_F(tls, recvmsg_multiple)
+{
+ unsigned int msg_iovlen = 1024;
+ unsigned int len_compared = 0;
+ struct iovec vec[1024];
+ char *iov_base[1024];
+ unsigned int iov_len = 16;
+ int send_len = 1 << 14;
+ char buf[1 << 14];
+ struct msghdr hdr;
+ int i;
+
+ EXPECT_EQ(send(self->fd, buf, send_len, 0), send_len);
+ for (i = 0; i < msg_iovlen; i++) {
+ iov_base[i] = (char *)malloc(iov_len);
+ vec[i].iov_base = iov_base[i];
+ vec[i].iov_len = iov_len;
+ }
+
+ hdr.msg_iovlen = msg_iovlen;
+ hdr.msg_iov = vec;
+ EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
+ for (i = 0; i < msg_iovlen; i++)
+ len_compared += iov_len;
+
+ for (i = 0; i < msg_iovlen; i++)
+ free(iov_base[i]);
+}
+
+TEST_F(tls, single_send_multiple_recv)
+{
+ unsigned int total_len = TLS_PAYLOAD_MAX_LEN * 2;
+ unsigned int send_len = TLS_PAYLOAD_MAX_LEN;
+ char send_mem[TLS_PAYLOAD_MAX_LEN * 2];
+ char recv_mem[TLS_PAYLOAD_MAX_LEN * 2];
+
+ EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
+ memset(recv_mem, 0, total_len);
+
+ EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1);
+ EXPECT_NE(recv(self->cfd, recv_mem + send_len, send_len, 0), -1);
+ EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0);
+}
+
+TEST_F(tls, multiple_send_single_recv)
+{
+ unsigned int total_len = 2 * 10;
+ unsigned int send_len = 10;
+ char recv_mem[2 * 10];
+ char send_mem[10];
+
+ EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
+ EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
+ memset(recv_mem, 0, total_len);
+ EXPECT_EQ(recv(self->cfd, recv_mem, total_len, 0), total_len);
+
+ EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0);
+ EXPECT_EQ(memcmp(send_mem, recv_mem + send_len, send_len), 0);
+}
+
+TEST_F(tls, recv_partial)
+{
+ char const *test_str = "test_read_partial";
+ char const *test_str_first = "test_read";
+ char const *test_str_second = "_partial";
+ int send_len = strlen(test_str) + 1;
+ char recv_mem[18];
+
+ memset(recv_mem, 0, sizeof(recv_mem));
+ EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
+ EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_first), 0), -1);
+ EXPECT_EQ(memcmp(test_str_first, recv_mem, strlen(test_str_first)), 0);
+ memset(recv_mem, 0, sizeof(recv_mem));
+ EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_second), 0), -1);
+ EXPECT_EQ(memcmp(test_str_second, recv_mem, strlen(test_str_second)),
+ 0);
+}
+
+TEST_F(tls, recv_nonblock)
+{
+ char buf[4096];
+ bool err;
+
+ EXPECT_EQ(recv(self->cfd, buf, sizeof(buf), MSG_DONTWAIT), -1);
+ err = (errno == EAGAIN || errno == EWOULDBLOCK);
+ EXPECT_EQ(err, true);
+}
+
+TEST_F(tls, recv_peek)
+{
+ char const *test_str = "test_read_peek";
+ int send_len = strlen(test_str) + 1;
+ char buf[15];
+
+ EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
+ EXPECT_NE(recv(self->cfd, buf, send_len, MSG_PEEK), -1);
+ EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
+ memset(buf, 0, sizeof(buf));
+ EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
+ EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
+}
+
+TEST_F(tls, recv_peek_multiple)
+{
+ char const *test_str = "test_read_peek";
+ int send_len = strlen(test_str) + 1;
+ unsigned int num_peeks = 100;
+ char buf[15];
+ int i;
+
+ EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
+ for (i = 0; i < num_peeks; i++) {
+ EXPECT_NE(recv(self->cfd, buf, send_len, MSG_PEEK), -1);
+ EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
+ memset(buf, 0, sizeof(buf));
+ }
+ EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
+ EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
+}
+
+TEST_F(tls, pollin)
+{
+ char const *test_str = "test_poll";
+ struct pollfd fd = { 0, 0, 0 };
+ char buf[10];
+ int send_len = 10;
+
+ EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
+ fd.fd = self->cfd;
+ fd.events = POLLIN;
+
+ EXPECT_EQ(poll(&fd, 1, 20), 1);
+ EXPECT_EQ(fd.revents & POLLIN, 1);
+ EXPECT_EQ(recv(self->cfd, buf, send_len, 0), send_len);
+ /* Test timing out */
+ EXPECT_EQ(poll(&fd, 1, 20), 0);
+}
+
+TEST_F(tls, poll_wait)
+{
+ char const *test_str = "test_poll_wait";
+ int send_len = strlen(test_str) + 1;
+ struct pollfd fd = { 0, 0, 0 };
+ char recv_mem[15];
+
+ fd.fd = self->cfd;
+ fd.events = POLLIN;
+ EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
+ /* Set timeout to inf. secs */
+ EXPECT_EQ(poll(&fd, 1, -1), 1);
+ EXPECT_EQ(fd.revents & POLLIN, 1);
+ EXPECT_EQ(recv(self->cfd, recv_mem, send_len, 0), send_len);
+}
+
+TEST_F(tls, blocking)
+{
+ size_t data = 100000;
+ int res = fork();
+
+ EXPECT_NE(res, -1);
+
+ if (res) {
+ /* parent */
+ size_t left = data;
+ char buf[16384];
+ int status;
+ int pid2;
+
+ while (left) {
+ int res = send(self->fd, buf,
+ left > 16384 ? 16384 : left, 0);
+
+ EXPECT_GE(res, 0);
+ left -= res;
+ }
+
+ pid2 = wait(&status);
+ EXPECT_EQ(status, 0);
+ EXPECT_EQ(res, pid2);
+ } else {
+ /* child */
+ size_t left = data;
+ char buf[16384];
+
+ while (left) {
+ int res = recv(self->cfd, buf,
+ left > 16384 ? 16384 : left, 0);
+
+ EXPECT_GE(res, 0);
+ left -= res;
+ }
+ }
+}
+
+TEST_F(tls, nonblocking)
+{
+ size_t data = 100000;
+ int sendbuf = 100;
+ int flags;
+ int res;
+
+ flags = fcntl(self->fd, F_GETFL, 0);
+ fcntl(self->fd, F_SETFL, flags | O_NONBLOCK);
+ fcntl(self->cfd, F_SETFL, flags | O_NONBLOCK);
+
+ /* Ensure nonblocking behavior by imposing a small send
+ * buffer.
+ */
+ EXPECT_EQ(setsockopt(self->fd, SOL_SOCKET, SO_SNDBUF,
+ &sendbuf, sizeof(sendbuf)), 0);
+
+ res = fork();
+ EXPECT_NE(res, -1);
+
+ if (res) {
+ /* parent */
+ bool eagain = false;
+ size_t left = data;
+ char buf[16384];
+ int status;
+ int pid2;
+
+ while (left) {
+ int res = send(self->fd, buf,
+ left > 16384 ? 16384 : left, 0);
+
+ if (res == -1 && errno == EAGAIN) {
+ eagain = true;
+ usleep(10000);
+ continue;
+ }
+ EXPECT_GE(res, 0);
+ left -= res;
+ }
+
+ EXPECT_TRUE(eagain);
+ pid2 = wait(&status);
+
+ EXPECT_EQ(status, 0);
+ EXPECT_EQ(res, pid2);
+ } else {
+ /* child */
+ bool eagain = false;
+ size_t left = data;
+ char buf[16384];
+
+ while (left) {
+ int res = recv(self->cfd, buf,
+ left > 16384 ? 16384 : left, 0);
+
+ if (res == -1 && errno == EAGAIN) {
+ eagain = true;
+ usleep(10000);
+ continue;
+ }
+ EXPECT_GE(res, 0);
+ left -= res;
+ }
+ EXPECT_TRUE(eagain);
+ }
+}
+
+TEST_F(tls, control_msg)
+{
+ if (self->notls)
+ return;
+
+ char cbuf[CMSG_SPACE(sizeof(char))];
+ char const *test_str = "test_read";
+ int cmsg_len = sizeof(char);
+ char record_type = 100;
+ struct cmsghdr *cmsg;
+ struct msghdr msg;
+ int send_len = 10;
+ struct iovec vec;
+ char buf[10];
+
+ vec.iov_base = (char *)test_str;
+ vec.iov_len = 10;
+ memset(&msg, 0, sizeof(struct msghdr));
+ msg.msg_iov = &vec;
+ msg.msg_iovlen = 1;
+ msg.msg_control = cbuf;
+ msg.msg_controllen = sizeof(cbuf);
+ cmsg = CMSG_FIRSTHDR(&msg);
+ cmsg->cmsg_level = SOL_TLS;
+ /* test sending non-record types. */
+ cmsg->cmsg_type = TLS_SET_RECORD_TYPE;
+ cmsg->cmsg_len = CMSG_LEN(cmsg_len);
+ *CMSG_DATA(cmsg) = record_type;
+ msg.msg_controllen = cmsg->cmsg_len;
+
+ EXPECT_EQ(sendmsg(self->fd, &msg, 0), send_len);
+ /* Should fail because we didn't provide a control message */
+ EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
+
+ vec.iov_base = buf;
+ EXPECT_EQ(recvmsg(self->cfd, &msg, 0), send_len);
+ cmsg = CMSG_FIRSTHDR(&msg);
+ EXPECT_NE(cmsg, NULL);
+ EXPECT_EQ(cmsg->cmsg_level, SOL_TLS);
+ EXPECT_EQ(cmsg->cmsg_type, TLS_GET_RECORD_TYPE);
+ record_type = *((unsigned char *)CMSG_DATA(cmsg));
+ EXPECT_EQ(record_type, 100);
+ EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
+}
+
+TEST_HARNESS_MAIN
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