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/*
* Copyright 2023-2024 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <openssl/ssl.h>
#include <openssl/quic.h>
#include <openssl/bio.h>
#include "internal/common.h"
#include "internal/sockets.h"
#include "internal/time.h"
#include "testutil.h"
static const char msg1[] = "GET LICENSE.txt\r\n";
static char msg2[16000];
#define DST_PORT 4433
#define DST_ADDR 0x7f000001UL
static int is_want(SSL *s, int ret)
{
int ec = SSL_get_error(s, ret);
return ec == SSL_ERROR_WANT_READ || ec == SSL_ERROR_WANT_WRITE;
}
static int test_quic_client_ex(int fd_arg)
{
int testresult = 0, ret;
int c_fd;
BIO *c_net_bio = NULL, *c_net_bio_own = NULL;
BIO_ADDR *s_addr_ = NULL;
struct in_addr ina = {0};
SSL_CTX *c_ctx = NULL;
SSL *c_ssl = NULL;
short port = DST_PORT;
int c_connected = 0, c_write_done = 0, c_shutdown = 0;
size_t l = 0, c_total_read = 0;
OSSL_TIME start_time;
unsigned char alpn[] = { 8, 'h', 't', 't', 'p', '/', '0', '.', '9' };
if (fd_arg == INVALID_SOCKET) {
/* Setup test client. */
c_fd = BIO_socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP, 0);
if (!TEST_int_ne(c_fd, INVALID_SOCKET))
goto err;
if (!TEST_true(BIO_socket_nbio(c_fd, 1)))
goto err;
if (!TEST_ptr(s_addr_ = BIO_ADDR_new()))
goto err;
ina.s_addr = htonl(DST_ADDR);
if (!TEST_true(BIO_ADDR_rawmake(s_addr_, AF_INET, &ina, sizeof(ina),
htons(port))))
goto err;
} else {
c_fd = fd_arg;
}
if (!TEST_ptr(c_net_bio = c_net_bio_own = BIO_new_dgram(c_fd, 0)))
goto err;
/* connected socket does not need to set peer */
if (s_addr_ != NULL && !BIO_dgram_set_peer(c_net_bio, s_addr_))
goto err;
if (!TEST_ptr(c_ctx = SSL_CTX_new(OSSL_QUIC_client_method())))
goto err;
if (!TEST_ptr(c_ssl = SSL_new(c_ctx)))
goto err;
/* 0 is a success for SSL_set_alpn_protos() */
if (!TEST_false(SSL_set_alpn_protos(c_ssl, alpn, sizeof(alpn))))
goto err;
/* Takes ownership of our reference to the BIO. */
SSL_set0_rbio(c_ssl, c_net_bio);
/* Get another reference to be transferred in the SSL_set0_wbio call. */
if (!TEST_true(BIO_up_ref(c_net_bio))) {
c_net_bio_own = NULL; /* SSL_free will free the first reference. */
goto err;
}
SSL_set0_wbio(c_ssl, c_net_bio);
c_net_bio_own = NULL;
if (!TEST_true(SSL_set_blocking_mode(c_ssl, 0)))
goto err;
start_time = ossl_time_now();
for (;;) {
if (ossl_time_compare(ossl_time_subtract(ossl_time_now(), start_time),
ossl_ms2time(10000)) >= 0) {
TEST_error("timeout while attempting QUIC client test");
goto err;
}
if (!c_connected) {
ret = SSL_connect(c_ssl);
if (!TEST_true(ret == 1 || is_want(c_ssl, ret)))
goto err;
if (ret == 1) {
c_connected = 1;
TEST_info("Connected!");
}
}
if (c_connected && !c_write_done) {
if (!TEST_int_eq(SSL_write(c_ssl, msg1, sizeof(msg1) - 1),
(int)sizeof(msg1) - 1))
goto err;
if (!TEST_true(SSL_stream_conclude(c_ssl, 0)))
goto err;
c_write_done = 1;
}
if (c_write_done && !c_shutdown && c_total_read < sizeof(msg2) - 1) {
ret = SSL_read_ex(c_ssl, msg2 + c_total_read,
sizeof(msg2) - 1 - c_total_read, &l);
if (ret != 1) {
if (SSL_get_error(c_ssl, ret) == SSL_ERROR_ZERO_RETURN) {
c_shutdown = 1;
TEST_info("Message:\n%s\n", msg2);
} else if (!TEST_true(is_want(c_ssl, ret))) {
goto err;
}
} else {
c_total_read += l;
if (!TEST_size_t_lt(c_total_read, sizeof(msg2) - 1))
goto err;
}
}
if (c_shutdown) {
ret = SSL_shutdown(c_ssl);
if (ret == 1)
break;
}
/*
* This is inefficient because we spin until things work without
* blocking but this is just a test.
*/
OSSL_sleep(0);
SSL_handle_events(c_ssl);
}
testresult = 1;
err:
SSL_free(c_ssl);
SSL_CTX_free(c_ctx);
BIO_ADDR_free(s_addr_);
BIO_free(c_net_bio_own);
if (fd_arg == INVALID_SOCKET && c_fd != INVALID_SOCKET)
BIO_closesocket(c_fd);
return testresult;
}
static int test_quic_client(void)
{
return (test_quic_client_ex(INVALID_SOCKET));
}
static int test_quic_client_connect_first(void)
{
struct sockaddr_in sin = {0};
int c_fd;
int rv;
#ifdef SA_LEN
sin.sin_len = sizeof(struct sockaddr_in);
#endif
sin.sin_family = AF_INET;
sin.sin_port = htons(DST_PORT);
sin.sin_addr.s_addr = htonl(DST_ADDR);
c_fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (!TEST_int_ne(c_fd, INVALID_SOCKET))
goto err;
if (!TEST_int_eq(connect(c_fd, (const struct sockaddr *)&sin, sizeof(sin)), 0))
goto err;
if (!TEST_true(BIO_socket_nbio(c_fd, 1)))
goto err;
rv = test_quic_client_ex(c_fd);
close(c_fd);
return (rv);
err:
if (c_fd != INVALID_SOCKET)
close(c_fd);
return (0);
}
OPT_TEST_DECLARE_USAGE("certfile privkeyfile\n")
int setup_tests(void)
{
if (!test_skip_common_options()) {
TEST_error("Error parsing test options\n");
return 0;
}
ADD_TEST(test_quic_client);
ADD_TEST(test_quic_client_connect_first);
return 1;
}
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