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      1 /*
      2  * Copyright 2018-2025 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 #include "testutil.h"
     11 #include <openssl/ssl.h>
     12 
     13 typedef struct {
     14     int proto;
     15     int min_version;
     16     int max_version;
     17     int min_ok;
     18     int max_ok;
     19     int expected_min;
     20     int expected_max;
     21 } version_test;
     22 
     23 #define PROTO_TLS 0
     24 #define PROTO_DTLS 1
     25 #define PROTO_QUIC 2
     26 
     27 /*
     28  * If a version is valid for *any* protocol then setting the min/max protocol is
     29  * expected to return success, even if that version is not valid for *this*
     30  * protocol. However it only has an effect if it is valid for *this* protocol -
     31  * otherwise it is ignored.
     32  */
     33 static const version_test version_testdata[] = {
     34     /* proto     min                     max                     ok    expected min        expected max */
     35     { PROTO_TLS, 0, 0, 1, 1, 0, 0 },
     36     { PROTO_TLS, SSL3_VERSION, TLS1_3_VERSION, 1, 1, SSL3_VERSION, TLS1_3_VERSION },
     37     { PROTO_TLS, TLS1_VERSION, TLS1_3_VERSION, 1, 1, TLS1_VERSION, TLS1_3_VERSION },
     38     { PROTO_TLS, TLS1_VERSION, TLS1_2_VERSION, 1, 1, TLS1_VERSION, TLS1_2_VERSION },
     39     { PROTO_TLS, TLS1_2_VERSION, TLS1_2_VERSION, 1, 1, TLS1_2_VERSION, TLS1_2_VERSION },
     40     { PROTO_TLS, TLS1_2_VERSION, TLS1_1_VERSION, 1, 1, TLS1_2_VERSION, TLS1_1_VERSION },
     41     { PROTO_TLS, SSL3_VERSION - 1, TLS1_3_VERSION, 0, 1, 0, TLS1_3_VERSION },
     42     { PROTO_TLS, SSL3_VERSION, TLS1_3_VERSION + 1, 1, 0, SSL3_VERSION, 0 },
     43 #ifndef OPENSSL_NO_DTLS
     44     { PROTO_TLS, DTLS1_VERSION, DTLS1_2_VERSION, 1, 1, 0, 0 },
     45 #endif
     46     { PROTO_TLS, OSSL_QUIC1_VERSION, OSSL_QUIC1_VERSION, 0, 0, 0, 0 },
     47     { PROTO_TLS, 7, 42, 0, 0, 0, 0 },
     48     { PROTO_DTLS, 0, 0, 1, 1, 0, 0 },
     49     { PROTO_DTLS, DTLS1_VERSION, DTLS1_2_VERSION, 1, 1, DTLS1_VERSION, DTLS1_2_VERSION },
     50 #ifndef OPENSSL_NO_DTLS1_2
     51     { PROTO_DTLS, DTLS1_2_VERSION, DTLS1_2_VERSION, 1, 1, DTLS1_2_VERSION, DTLS1_2_VERSION },
     52 #endif
     53 #ifndef OPENSSL_NO_DTLS1
     54     { PROTO_DTLS, DTLS1_VERSION, DTLS1_VERSION, 1, 1, DTLS1_VERSION, DTLS1_VERSION },
     55 #endif
     56 #if !defined(OPENSSL_NO_DTLS1) && !defined(OPENSSL_NO_DTLS1_2)
     57     { PROTO_DTLS, DTLS1_2_VERSION, DTLS1_VERSION, 1, 1, DTLS1_2_VERSION, DTLS1_VERSION },
     58 #endif
     59     { PROTO_DTLS, DTLS1_VERSION + 1, DTLS1_2_VERSION, 0, 1, 0, DTLS1_2_VERSION },
     60     { PROTO_DTLS, DTLS1_VERSION, DTLS1_2_VERSION - 1, 1, 0, DTLS1_VERSION, 0 },
     61     { PROTO_DTLS, TLS1_VERSION, TLS1_3_VERSION, 1, 1, 0, 0 },
     62     { PROTO_DTLS, OSSL_QUIC1_VERSION, OSSL_QUIC1_VERSION, 0, 0, 0, 0 },
     63     /* These functions never have an effect when called on a QUIC object */
     64     { PROTO_QUIC, 0, 0, 1, 1, 0, 0 },
     65     { PROTO_QUIC, OSSL_QUIC1_VERSION, OSSL_QUIC1_VERSION, 0, 0, 0, 0 },
     66     { PROTO_QUIC, OSSL_QUIC1_VERSION, OSSL_QUIC1_VERSION + 1, 0, 0, 0, 0 },
     67     { PROTO_QUIC, TLS1_VERSION, TLS1_3_VERSION, 1, 1, 0, 0 },
     68 #ifndef OPENSSL_NO_DTLS
     69     { PROTO_QUIC, DTLS1_VERSION, DTLS1_2_VERSION, 1, 1, 0, 0 },
     70 #endif
     71 };
     72 
     73 static int test_set_min_max_version(int idx_tst)
     74 {
     75     SSL_CTX *ctx = NULL;
     76     SSL *ssl = NULL;
     77     int testresult = 0;
     78     version_test t = version_testdata[idx_tst];
     79     const SSL_METHOD *meth = NULL;
     80 
     81     switch (t.proto) {
     82     case PROTO_TLS:
     83         meth = TLS_client_method();
     84         break;
     85 
     86 #ifndef OPENSSL_NO_DTLS
     87     case PROTO_DTLS:
     88         meth = DTLS_client_method();
     89         break;
     90 #endif
     91 
     92 #ifndef OPENSSL_NO_QUIC
     93     case PROTO_QUIC:
     94         meth = OSSL_QUIC_client_method();
     95         break;
     96 #endif
     97     }
     98 
     99     if (meth == NULL)
    100         return TEST_skip("Protocol not supported");
    101 
    102     ctx = SSL_CTX_new(meth);
    103     if (ctx == NULL)
    104         goto end;
    105 
    106     ssl = SSL_new(ctx);
    107     if (ssl == NULL)
    108         goto end;
    109 
    110     if (!TEST_int_eq(SSL_CTX_set_min_proto_version(ctx, t.min_version), t.min_ok))
    111         goto end;
    112     if (!TEST_int_eq(SSL_CTX_set_max_proto_version(ctx, t.max_version), t.max_ok))
    113         goto end;
    114     if (!TEST_int_eq(SSL_CTX_get_min_proto_version(ctx), t.expected_min))
    115         goto end;
    116     if (!TEST_int_eq(SSL_CTX_get_max_proto_version(ctx), t.expected_max))
    117         goto end;
    118 
    119     if (!TEST_int_eq(SSL_set_min_proto_version(ssl, t.min_version), t.min_ok))
    120         goto end;
    121     if (!TEST_int_eq(SSL_set_max_proto_version(ssl, t.max_version), t.max_ok))
    122         goto end;
    123     if (!TEST_int_eq(SSL_get_min_proto_version(ssl), t.expected_min))
    124         goto end;
    125     if (!TEST_int_eq(SSL_get_max_proto_version(ssl), t.expected_max))
    126         goto end;
    127 
    128     testresult = 1;
    129 
    130 end:
    131     SSL_free(ssl);
    132     SSL_CTX_free(ctx);
    133     return testresult;
    134 }
    135 
    136 int setup_tests(void)
    137 {
    138     ADD_ALL_TESTS(test_set_min_max_version, sizeof(version_testdata) / sizeof(version_test));
    139     return 1;
    140 }
    141