1 /*
2 * Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 /*
11 * We need access to the deprecated low level HMAC APIs for legacy purposes
12 * when the deprecated calls are not hidden
13 */
14 #ifndef OPENSSL_NO_DEPRECATED_3_0
15 # define OPENSSL_SUPPRESS_DEPRECATED
16 #endif
17
18 #include <stdio.h>
19 #include <string.h>
20
21 #include <openssl/opensslconf.h>
22 #include <openssl/bio.h>
23 #include <openssl/crypto.h>
24 #include <openssl/ssl.h>
25 #include <openssl/engine.h>
26
27 #include "helpers/ssltestlib.h"
28 #include "testutil.h"
29 #include "testutil/output.h"
30 #include "internal/ktls.h"
31 #include "../ssl/ssl_local.h"
32 #include "../ssl/statem/statem_local.h"
33
34 static OSSL_LIB_CTX *libctx = NULL;
35 static char *cert = NULL;
36 static char *privkey = NULL;
37
38 /*
39 * Test 0: Clientside handshake RTT (TLSv1.2)
40 * Test 1: Serverside handshake RTT (TLSv1.2)
41 * Test 2: Clientside handshake RTT (TLSv1.3)
42 * Test 3: Serverside handshake RTT (TLSv1.3)
43 * Test 4: Clientside handshake RTT with Early Data (TLSv1.3)
44 */
test_handshake_rtt(int tst)45 static int test_handshake_rtt(int tst)
46 {
47 SSL_CTX *cctx = NULL, *sctx = NULL;
48 SSL *clientssl = NULL, *serverssl = NULL;
49 int testresult = 0;
50 SSL_CONNECTION *s = NULL;
51 OSSL_STATEM *st = NULL;
52 uint64_t rtt;
53
54 #ifdef OPENSSL_NO_TLS1_2
55 if (tst <= 1)
56 return 1;
57 #endif
58 #ifdef OSSL_NO_USABLE_TLS1_3
59 if (tst >= 2)
60 return 1;
61 #endif
62
63 if (!TEST_true(create_ssl_ctx_pair(libctx, TLS_server_method(),
64 TLS_client_method(),
65 TLS1_VERSION,
66 (tst <= 1) ? TLS1_2_VERSION
67 : TLS1_3_VERSION,
68 &sctx, &cctx, cert, privkey))
69 || !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
70 NULL, NULL)))
71 goto end;
72
73 s = SSL_CONNECTION_FROM_SSL(tst % 2 == 0 ? clientssl : serverssl);
74 if (!TEST_ptr(s) || !TEST_ptr(st = &s->statem))
75 return 0;
76
77 /* implicitly set handshake rtt with a delay */
78 switch (tst) {
79 case 0:
80 st->hand_state = TLS_ST_CW_CLNT_HELLO;
81 ossl_statem_client_write_transition(s);
82 OSSL_sleep(1);
83 st->hand_state = TLS_ST_CR_SRVR_DONE;
84 ossl_statem_client_write_transition(s);
85 break;
86 case 1:
87 st->hand_state = TLS_ST_SW_SRVR_DONE;
88 ossl_statem_server_write_transition(s);
89 OSSL_sleep(1);
90 st->hand_state = TLS_ST_SR_FINISHED;
91 ossl_statem_server_write_transition(s);
92 break;
93 case 2:
94 st->hand_state = TLS_ST_CW_CLNT_HELLO;
95 ossl_statem_client_write_transition(s);
96 OSSL_sleep(1);
97 st->hand_state = TLS_ST_CR_SRVR_DONE;
98 ossl_statem_client_write_transition(s);
99 break;
100 case 3:
101 st->hand_state = TLS_ST_SW_SRVR_DONE;
102 ossl_statem_server_write_transition(s);
103 OSSL_sleep(1);
104 st->hand_state = TLS_ST_SR_FINISHED;
105 ossl_statem_server_write_transition(s);
106 break;
107 case 4:
108 st->hand_state = TLS_ST_EARLY_DATA;
109 ossl_statem_client_write_transition(s);
110 OSSL_sleep(1);
111 st->hand_state = TLS_ST_CR_SRVR_DONE;
112 ossl_statem_client_write_transition(s);
113 break;
114 }
115
116 if (!TEST_int_gt(SSL_get_handshake_rtt(SSL_CONNECTION_GET_SSL(s), &rtt), 0))
117 goto end;
118 /* 1 millisec is the absolute minimum it could be given the delay */
119 if (!TEST_uint64_t_ge(rtt, 1000))
120 goto end;
121
122 testresult = 1;
123
124 end:
125 SSL_free(serverssl);
126 SSL_free(clientssl);
127 SSL_CTX_free(sctx);
128 SSL_CTX_free(cctx);
129
130 return testresult;
131 }
132
setup_tests(void)133 int setup_tests(void)
134 {
135 ADD_ALL_TESTS(test_handshake_rtt, 5);
136
137 return 1;
138 }
139
