zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/test/dtls_mtu_test.c b/ap/lib/libssl/openssl-1.1.1o/test/dtls_mtu_test.c
new file mode 100644
index 0000000..62b44be
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/test/dtls_mtu_test.c
@@ -0,0 +1,242 @@
+/*
+ * Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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 <string.h>
+
+#include <openssl/dtls1.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+
+#include "ssltestlib.h"
+#include "testutil.h"
+
+/* for SSL_READ_ETM() */
+#include "../ssl/ssl_local.h"
+
+static int debug = 0;
+
+static unsigned int clnt_psk_callback(SSL *ssl, const char *hint,
+ char *ident, unsigned int max_ident_len,
+ unsigned char *psk,
+ unsigned int max_psk_len)
+{
+ BIO_snprintf(ident, max_ident_len, "psk");
+
+ if (max_psk_len > 20)
+ max_psk_len = 20;
+ memset(psk, 0x5a, max_psk_len);
+
+ return max_psk_len;
+}
+
+static unsigned int srvr_psk_callback(SSL *ssl, const char *identity,
+ unsigned char *psk,
+ unsigned int max_psk_len)
+{
+ if (max_psk_len > 20)
+ max_psk_len = 20;
+ memset(psk, 0x5a, max_psk_len);
+ return max_psk_len;
+}
+
+static int mtu_test(SSL_CTX *ctx, const char *cs, int no_etm)
+{
+ SSL *srvr_ssl = NULL, *clnt_ssl = NULL;
+ BIO *sc_bio = NULL;
+ int i;
+ size_t s;
+ size_t mtus[30];
+ unsigned char buf[600];
+ int rv = 0;
+
+ memset(buf, 0x5a, sizeof(buf));
+
+ if (!TEST_true(create_ssl_objects(ctx, ctx, &srvr_ssl, &clnt_ssl,
+ NULL, NULL)))
+ goto end;
+
+ if (no_etm)
+ SSL_set_options(srvr_ssl, SSL_OP_NO_ENCRYPT_THEN_MAC);
+
+ if (!TEST_true(SSL_set_cipher_list(srvr_ssl, cs))
+ || !TEST_true(SSL_set_cipher_list(clnt_ssl, cs))
+ || !TEST_ptr(sc_bio = SSL_get_rbio(srvr_ssl))
+ || !TEST_true(create_ssl_connection(clnt_ssl, srvr_ssl,
+ SSL_ERROR_NONE)))
+ goto end;
+
+ if (debug)
+ TEST_info("Channel established");
+
+ /* For record MTU values between 500 and 539, call DTLS_get_data_mtu()
+ * to query the payload MTU which will fit. */
+ for (i = 0; i < 30; i++) {
+ SSL_set_mtu(clnt_ssl, 500 + i);
+ mtus[i] = DTLS_get_data_mtu(clnt_ssl);
+ if (debug)
+ TEST_info("%s%s MTU for record mtu %d = %lu",
+ cs, no_etm ? "-noEtM" : "",
+ 500 + i, (unsigned long)mtus[i]);
+ if (!TEST_size_t_ne(mtus[i], 0)) {
+ TEST_info("Cipher %s MTU %d", cs, 500 + i);
+ goto end;
+ }
+ }
+
+ /* Now get out of the way */
+ SSL_set_mtu(clnt_ssl, 1000);
+
+ /*
+ * Now for all values in the range of payload MTUs, send a payload of
+ * that size and see what actual record size we end up with.
+ */
+ for (s = mtus[0]; s <= mtus[29]; s++) {
+ size_t reclen;
+
+ if (!TEST_int_eq(SSL_write(clnt_ssl, buf, s), (int)s))
+ goto end;
+ reclen = BIO_read(sc_bio, buf, sizeof(buf));
+ if (debug)
+ TEST_info("record %zu for payload %zu", reclen, s);
+
+ for (i = 0; i < 30; i++) {
+ /* DTLS_get_data_mtu() with record MTU 500+i returned mtus[i] ... */
+
+ if (!TEST_false(s <= mtus[i] && reclen > (size_t)(500 + i))) {
+ /*
+ * We sent a packet smaller than or equal to mtus[j] and
+ * that made a record *larger* than the record MTU 500+j!
+ */
+ TEST_error("%s: s=%lu, mtus[i]=%lu, reclen=%lu, i=%d",
+ cs, (unsigned long)s, (unsigned long)mtus[i],
+ (unsigned long)reclen, 500 + i);
+ goto end;
+ }
+ if (!TEST_false(s > mtus[i] && reclen <= (size_t)(500 + i))) {
+ /*
+ * We sent a *larger* packet than mtus[i] and that *still*
+ * fits within the record MTU 500+i, so DTLS_get_data_mtu()
+ * was overly pessimistic.
+ */
+ TEST_error("%s: s=%lu, mtus[i]=%lu, reclen=%lu, i=%d",
+ cs, (unsigned long)s, (unsigned long)mtus[i],
+ (unsigned long)reclen, 500 + i);
+ goto end;
+ }
+ }
+ }
+ rv = 1;
+ if (SSL_READ_ETM(clnt_ssl))
+ rv = 2;
+ end:
+ SSL_free(clnt_ssl);
+ SSL_free(srvr_ssl);
+ return rv;
+}
+
+static int run_mtu_tests(void)
+{
+ SSL_CTX *ctx = NULL;
+ STACK_OF(SSL_CIPHER) *ciphers;
+ int i, ret = 0;
+
+ if (!TEST_ptr(ctx = SSL_CTX_new(DTLS_method())))
+ goto end;
+
+ SSL_CTX_set_psk_server_callback(ctx, srvr_psk_callback);
+ SSL_CTX_set_psk_client_callback(ctx, clnt_psk_callback);
+ SSL_CTX_set_security_level(ctx, 0);
+
+ /*
+ * We only care about iterating over each enc/mac; we don't want to
+ * repeat the test for each auth/kx variant. So keep life simple and
+ * only do (non-DH) PSK.
+ */
+ if (!TEST_true(SSL_CTX_set_cipher_list(ctx, "PSK")))
+ goto end;
+
+ ciphers = SSL_CTX_get_ciphers(ctx);
+ for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
+ const SSL_CIPHER *cipher = sk_SSL_CIPHER_value(ciphers, i);
+ const char *cipher_name = SSL_CIPHER_get_name(cipher);
+
+ /* As noted above, only one test for each enc/mac variant. */
+ if (strncmp(cipher_name, "PSK-", 4) != 0)
+ continue;
+
+ if (!TEST_int_gt(ret = mtu_test(ctx, cipher_name, 0), 0))
+ break;
+ TEST_info("%s OK", cipher_name);
+ if (ret == 1)
+ continue;
+
+ /* mtu_test() returns 2 if it used Encrypt-then-MAC */
+ if (!TEST_int_gt(ret = mtu_test(ctx, cipher_name, 1), 0))
+ break;
+ TEST_info("%s without EtM OK", cipher_name);
+ }
+
+ end:
+ SSL_CTX_free(ctx);
+ return ret;
+}
+
+static int test_server_mtu_larger_than_max_fragment_length(void)
+{
+ SSL_CTX *ctx = NULL;
+ SSL *srvr_ssl = NULL, *clnt_ssl = NULL;
+ int rv = 0;
+
+ if (!TEST_ptr(ctx = SSL_CTX_new(DTLS_method())))
+ goto end;
+
+ SSL_CTX_set_psk_server_callback(ctx, srvr_psk_callback);
+ SSL_CTX_set_psk_client_callback(ctx, clnt_psk_callback);
+
+#ifndef OPENSSL_NO_DH
+ if (!TEST_true(SSL_CTX_set_dh_auto(ctx, 1)))
+ goto end;
+#endif
+
+ if (!TEST_true(create_ssl_objects(ctx, ctx, &srvr_ssl, &clnt_ssl,
+ NULL, NULL)))
+ goto end;
+
+ SSL_set_options(srvr_ssl, SSL_OP_NO_QUERY_MTU);
+ if (!TEST_true(DTLS_set_link_mtu(srvr_ssl, 1500)))
+ goto end;
+
+ SSL_set_tlsext_max_fragment_length(clnt_ssl,
+ TLSEXT_max_fragment_length_512);
+
+ if (!TEST_true(create_ssl_connection(srvr_ssl, clnt_ssl,
+ SSL_ERROR_NONE)))
+ goto end;
+
+ rv = 1;
+
+ end:
+ SSL_free(clnt_ssl);
+ SSL_free(srvr_ssl);
+ SSL_CTX_free(ctx);
+ return rv;
+}
+
+int setup_tests(void)
+{
+ ADD_TEST(run_mtu_tests);
+ ADD_TEST(test_server_mtu_larger_than_max_fragment_length);
+ return 1;
+}
+
+void cleanup_tests(void)
+{
+ bio_s_mempacket_test_free();
+}