/*
- * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL licenses, (the "License");
* you may not use this file except in compliance with the License.
#include "../ssl/packet_locl.h"
+#include "ssltestlib.h"
+#include "testutil.h"
+
/* Should we fragment records or not? 0 = no, !0 = yes*/
static int fragment = 0;
+static char *cert = NULL;
+static char *privkey = NULL;
+
static int async_new(BIO *bi);
static int async_free(BIO *a);
static int async_read(BIO *b, char *out, int outl);
unsigned int wctr;
};
-static const BIO_METHOD *bio_f_async_filter()
+static const BIO_METHOD *bio_f_async_filter(void)
{
if (methods_async == NULL) {
methods_async = BIO_meth_new(BIO_TYPE_ASYNC_FILTER, "Async filter");
PACKET pkt;
if (!PACKET_buf_init(&pkt, (const unsigned char *)in, inl))
- abort();
+ return -1;
while (PACKET_remaining(&pkt) > 0) {
- PACKET payload;
+ PACKET payload, wholebody, sessionid, extensions;
unsigned int contenttype, versionhi, versionlo, data;
+ unsigned int msgtype = 0, negversion = 0;
- if ( !PACKET_get_1(&pkt, &contenttype)
- || !PACKET_get_1(&pkt, &versionhi)
- || !PACKET_get_1(&pkt, &versionlo)
- || !PACKET_get_length_prefixed_2(&pkt, &payload))
- abort();
+ if (!PACKET_get_1(&pkt, &contenttype)
+ || !PACKET_get_1(&pkt, &versionhi)
+ || !PACKET_get_1(&pkt, &versionlo)
+ || !PACKET_get_length_prefixed_2(&pkt, &payload))
+ return -1;
/* Pretend we wrote out the record header */
written += SSL3_RT_HEADER_LENGTH;
+ wholebody = payload;
+ if (contenttype == SSL3_RT_HANDSHAKE
+ && !PACKET_get_1(&wholebody, &msgtype))
+ return -1;
+
+ if (msgtype == SSL3_MT_SERVER_HELLO) {
+ if (!PACKET_forward(&wholebody,
+ SSL3_HM_HEADER_LENGTH - 1)
+ || !PACKET_get_net_2(&wholebody, &negversion)
+ /* Skip random (32 bytes) */
+ || !PACKET_forward(&wholebody, 32)
+ /* Skip session id */
+ || !PACKET_get_length_prefixed_1(&wholebody,
+ &sessionid)
+ /*
+ * Skip ciphersuite (2 bytes) and compression
+ * method (1 byte)
+ */
+ || !PACKET_forward(&wholebody, 2 + 1)
+ || !PACKET_get_length_prefixed_2(&wholebody,
+ &extensions))
+ return -1;
+
+ /*
+ * Find the negotiated version in supported_versions
+ * extension, if present.
+ */
+ while (PACKET_remaining(&extensions)) {
+ unsigned int type;
+ PACKET extbody;
+
+ if (!PACKET_get_net_2(&extensions, &type)
+ || !PACKET_get_length_prefixed_2(&extensions,
+ &extbody))
+ return -1;
+
+ if (type == TLSEXT_TYPE_supported_versions
+ && (!PACKET_get_net_2(&extbody, &negversion)
+ || PACKET_remaining(&extbody) != 0))
+ return -1;
+ }
+ }
+
while (PACKET_get_1(&payload, &data)) {
/* Create a new one byte long record for each byte in the
* record in the input buffer
smallrec[DATAPOS] = data;
ret = BIO_write(next, smallrec, MIN_RECORD_LEN);
if (ret <= 0)
- abort();
+ return -1;
written++;
}
/*
- * We can't fragment anything after the CCS, otherwise we
- * get a bad record MAC
+ * We can't fragment anything after the ServerHello (or CCS <=
+ * TLS1.2), otherwise we get a bad record MAC
*/
- if (contenttype == SSL3_RT_CHANGE_CIPHER_SPEC) {
+ if (contenttype == SSL3_RT_CHANGE_CIPHER_SPEC
+ || (negversion == TLS1_3_VERSION
+ && msgtype == SSL3_MT_SERVER_HELLO)) {
fragment = 0;
break;
}
/* Write any data we have left after fragmenting */
ret = 0;
if ((int)written < inl) {
- ret = BIO_write(next, in + written , inl - written);
+ ret = BIO_write(next, in + written, inl - written);
}
if (ret <= 0 && BIO_should_write(next))
return async_write(bio, str, strlen(str));
}
-#define MAXLOOPS 100000
+#define MAX_ATTEMPTS 100
-int main(int argc, char *argv[])
+static int test_asyncio(int test)
{
SSL_CTX *serverctx = NULL, *clientctx = NULL;
SSL *serverssl = NULL, *clientssl = NULL;
- BIO *s_to_c_bio = NULL, *c_to_s_bio = NULL;
BIO *s_to_c_fbio = NULL, *c_to_s_fbio = NULL;
- int retc = -1, rets = -1, err, abortctr;
- int test;
-
- CRYPTO_set_mem_debug(1);
- CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
-
- if (argc != 3) {
- printf("Invalid argument count\n");
- goto end;
- }
-
- serverctx = SSL_CTX_new(TLS_server_method());
- clientctx = SSL_CTX_new(TLS_client_method());
- if (serverctx == NULL || clientctx == NULL) {
- printf("Failed to create SSL_CTX\n");
- goto end;
- }
-
- if (SSL_CTX_use_certificate_file(serverctx, argv[1],
- SSL_FILETYPE_PEM) <= 0) {
- printf("Failed to load server certificate\n");
- goto end;
- }
- if (SSL_CTX_use_PrivateKey_file(serverctx, argv[2],
- SSL_FILETYPE_PEM) <= 0) {
- printf("Failed to load server private key\n");
- }
- if (SSL_CTX_check_private_key(serverctx) <= 0) {
- printf("Failed to check private key\n");
+ int testresult = 0, ret;
+ size_t i, j;
+ const char testdata[] = "Test data";
+ char buf[sizeof(testdata)];
+
+ if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(),
+ TLS1_VERSION, TLS_MAX_VERSION,
+ &serverctx, &clientctx, cert, privkey)))
goto end;
- }
/*
* We do 2 test runs. The first time around we just do a normal handshake
* all records so that the content is only one byte length (up until the
* CCS)
*/
- for (test = 1; test < 3; test++) {
- abortctr = 0;
- retc = rets = -1;
- if (test == 2)
- fragment = 1;
-
- serverssl = SSL_new(serverctx);
- clientssl = SSL_new(clientctx);
- if (serverssl == NULL || clientssl == NULL) {
- printf("Failed to create SSL object\n");
- goto end;
- }
-
- s_to_c_bio = BIO_new(BIO_s_mem());
- c_to_s_bio = BIO_new(BIO_s_mem());
- if (s_to_c_bio == NULL || c_to_s_bio == NULL) {
- printf("Failed to create mem BIOs\n");
- goto end;
- }
-
- s_to_c_fbio = BIO_new(bio_f_async_filter());
- c_to_s_fbio = BIO_new(bio_f_async_filter());
- if (s_to_c_fbio == NULL || c_to_s_fbio == NULL) {
- printf("Failed to create filter BIOs\n");
- goto end;
- }
-
- s_to_c_bio = BIO_push(s_to_c_fbio, s_to_c_bio);
- c_to_s_bio = BIO_push(c_to_s_fbio, c_to_s_bio);
- if (s_to_c_bio == NULL || c_to_s_bio == NULL) {
- printf("Failed to create chained BIOs\n");
- goto end;
- }
+ if (test == 1)
+ fragment = 1;
- /* Set Non-blocking IO behaviour */
- BIO_set_mem_eof_return(s_to_c_bio, -1);
- BIO_set_mem_eof_return(c_to_s_bio, -1);
- /* Up ref these as we are passing them to two SSL objects */
- BIO_up_ref(s_to_c_bio);
- BIO_up_ref(c_to_s_bio);
-
- SSL_set_bio(serverssl, c_to_s_bio, s_to_c_bio);
- SSL_set_bio(clientssl, s_to_c_bio, c_to_s_bio);
-
- do {
- err = SSL_ERROR_WANT_WRITE;
- while (retc <= 0 && err == SSL_ERROR_WANT_WRITE) {
- retc = SSL_connect(clientssl);
- if (retc <= 0)
- err = SSL_get_error(clientssl, retc);
- }
+ s_to_c_fbio = BIO_new(bio_f_async_filter());
+ c_to_s_fbio = BIO_new(bio_f_async_filter());
+ if (!TEST_ptr(s_to_c_fbio)
+ || !TEST_ptr(c_to_s_fbio)) {
+ BIO_free(s_to_c_fbio);
+ BIO_free(c_to_s_fbio);
+ goto end;
+ }
- if (retc <= 0 && err != SSL_ERROR_WANT_READ) {
- printf("Test %d failed: SSL_connect() failed %d, %d\n",
- test, retc, err);
- goto end;
- }
+ /* BIOs get freed on error */
+ if (!TEST_true(create_ssl_objects(serverctx, clientctx, &serverssl,
+ &clientssl, s_to_c_fbio, c_to_s_fbio))
+ || !TEST_true(create_ssl_connection(serverssl, clientssl,
+ SSL_ERROR_NONE)))
+ goto end;
- err = SSL_ERROR_WANT_WRITE;
- while (rets <= 0 && err == SSL_ERROR_WANT_WRITE) {
- rets = SSL_accept(serverssl);
- if (rets <= 0)
- err = SSL_get_error(serverssl, rets);
+ /*
+ * Send and receive some test data. Do the whole thing twice to ensure
+ * we hit at least one async event in both reading and writing
+ */
+ for (j = 0; j < 2; j++) {
+ int len;
+
+ /*
+ * Write some test data. It should never take more than 2 attempts
+ * (the first one might be a retryable fail).
+ */
+ for (ret = -1, i = 0, len = 0; len != sizeof(testdata) && i < 2;
+ i++) {
+ ret = SSL_write(clientssl, testdata + len,
+ sizeof(testdata) - len);
+ if (ret > 0) {
+ len += ret;
+ } else {
+ int ssl_error = SSL_get_error(clientssl, ret);
+
+ if (!TEST_false(ssl_error == SSL_ERROR_SYSCALL ||
+ ssl_error == SSL_ERROR_SSL))
+ goto end;
}
+ }
+ if (!TEST_size_t_eq(len, sizeof(testdata)))
+ goto end;
- if (rets <= 0 && err != SSL_ERROR_WANT_READ) {
- printf("Test %d failed: SSL_accept() failed %d, %d\n",
- test, retc, err);
- goto end;
+ /*
+ * Now read the test data. It may take more attempts here because
+ * it could fail once for each byte read, including all overhead
+ * bytes from the record header/padding etc.
+ */
+ for (ret = -1, i = 0, len = 0; len != sizeof(testdata) &&
+ i < MAX_ATTEMPTS; i++) {
+ ret = SSL_read(serverssl, buf + len, sizeof(buf) - len);
+ if (ret > 0) {
+ len += ret;
+ } else {
+ int ssl_error = SSL_get_error(serverssl, ret);
+
+ if (!TEST_false(ssl_error == SSL_ERROR_SYSCALL ||
+ ssl_error == SSL_ERROR_SSL))
+ goto end;
}
- if (++abortctr == MAXLOOPS) {
- printf("Test %d failed: No progress made\n", test);
- goto end;
- }
- } while (retc <=0 || rets <= 0);
-
- /* Also frees the BIOs */
- SSL_free(clientssl);
- SSL_free(serverssl);
- clientssl = serverssl = NULL;
+ }
+ if (!TEST_mem_eq(testdata, sizeof(testdata), buf, len))
+ goto end;
}
- printf("Test success\n");
+ /* Also frees the BIOs */
+ SSL_free(clientssl);
+ SSL_free(serverssl);
+ clientssl = serverssl = NULL;
- end:
- if (retc <= 0 || rets <= 0)
- ERR_print_errors_fp(stderr);
+ testresult = 1;
+ end:
SSL_free(clientssl);
SSL_free(serverssl);
SSL_CTX_free(clientctx);
SSL_CTX_free(serverctx);
-# ifndef OPENSSL_NO_CRYPTO_MDEBUG
- CRYPTO_mem_leaks_fp(stderr);
-# endif
+ return testresult;
+}
- return (retc > 0 && rets > 0) ? 0 : 1;
+int setup_tests(void)
+{
+ if (!TEST_ptr(cert = test_get_argument(0))
+ || !TEST_ptr(privkey = test_get_argument(1)))
+ return 0;
+
+ ADD_ALL_TESTS(test_asyncio, 2);
+ return 1;
+}
+
+void cleanup_tests(void)
+{
+ BIO_meth_free(methods_async);
}