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630d31219b
Fixes openssl#19162. Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/19233)
285 lines
7.8 KiB
C
285 lines
7.8 KiB
C
/*
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* Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "apps.h"
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#include "progs.h"
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#include <openssl/err.h>
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#include <openssl/ssl.h>
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#include "s_apps.h"
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typedef enum OPTION_choice {
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OPT_COMMON,
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OPT_STDNAME,
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OPT_CONVERT,
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OPT_SSL3,
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OPT_TLS1,
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OPT_TLS1_1,
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OPT_TLS1_2,
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OPT_TLS1_3,
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OPT_PSK,
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OPT_SRP,
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OPT_CIPHERSUITES,
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OPT_V, OPT_UPPER_V, OPT_S, OPT_PROV_ENUM
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} OPTION_CHOICE;
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const OPTIONS ciphers_options[] = {
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{OPT_HELP_STR, 1, '-', "Usage: %s [options] [cipher]\n"},
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OPT_SECTION("General"),
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{"help", OPT_HELP, '-', "Display this summary"},
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OPT_SECTION("Output"),
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{"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"},
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{"V", OPT_UPPER_V, '-', "Even more verbose"},
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{"stdname", OPT_STDNAME, '-', "Show standard cipher names"},
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{"convert", OPT_CONVERT, 's', "Convert standard name into OpenSSL name"},
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OPT_SECTION("Cipher specification"),
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{"s", OPT_S, '-', "Only supported ciphers"},
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#ifndef OPENSSL_NO_SSL3
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{"ssl3", OPT_SSL3, '-', "Ciphers compatible with SSL3"},
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#endif
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#ifndef OPENSSL_NO_TLS1
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{"tls1", OPT_TLS1, '-', "Ciphers compatible with TLS1"},
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#endif
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#ifndef OPENSSL_NO_TLS1_1
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{"tls1_1", OPT_TLS1_1, '-', "Ciphers compatible with TLS1.1"},
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#endif
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#ifndef OPENSSL_NO_TLS1_2
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{"tls1_2", OPT_TLS1_2, '-', "Ciphers compatible with TLS1.2"},
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#endif
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#ifndef OPENSSL_NO_TLS1_3
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{"tls1_3", OPT_TLS1_3, '-', "Ciphers compatible with TLS1.3"},
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#endif
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#ifndef OPENSSL_NO_PSK
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{"psk", OPT_PSK, '-', "Include ciphersuites requiring PSK"},
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#endif
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#ifndef OPENSSL_NO_SRP
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{"srp", OPT_SRP, '-', "(deprecated) Include ciphersuites requiring SRP"},
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#endif
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{"ciphersuites", OPT_CIPHERSUITES, 's',
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"Configure the TLSv1.3 ciphersuites to use"},
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OPT_PROV_OPTIONS,
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OPT_PARAMETERS(),
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{"cipher", 0, 0, "Cipher string to decode (optional)"},
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{NULL}
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};
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#ifndef OPENSSL_NO_PSK
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static unsigned int dummy_psk(SSL *ssl, const char *hint, char *identity,
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unsigned int max_identity_len,
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unsigned char *psk,
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unsigned int max_psk_len)
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{
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return 0;
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}
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#endif
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int ciphers_main(int argc, char **argv)
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{
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SSL_CTX *ctx = NULL;
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SSL *ssl = NULL;
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STACK_OF(SSL_CIPHER) *sk = NULL;
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const SSL_METHOD *meth = TLS_server_method();
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int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0;
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int stdname = 0;
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#ifndef OPENSSL_NO_PSK
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int psk = 0;
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#endif
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#ifndef OPENSSL_NO_SRP
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int srp = 0;
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#endif
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const char *p;
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char *ciphers = NULL, *prog, *convert = NULL, *ciphersuites = NULL;
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char buf[512];
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OPTION_CHOICE o;
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int min_version = 0, max_version = 0;
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prog = opt_init(argc, argv, ciphers_options);
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while ((o = opt_next()) != OPT_EOF) {
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switch (o) {
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case OPT_EOF:
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case OPT_ERR:
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opthelp:
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BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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goto end;
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case OPT_HELP:
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opt_help(ciphers_options);
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ret = 0;
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goto end;
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case OPT_V:
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verbose = 1;
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break;
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case OPT_UPPER_V:
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verbose = Verbose = 1;
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break;
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case OPT_S:
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use_supported = 1;
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break;
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case OPT_STDNAME:
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stdname = verbose = 1;
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break;
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case OPT_CONVERT:
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convert = opt_arg();
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break;
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case OPT_SSL3:
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min_version = SSL3_VERSION;
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max_version = SSL3_VERSION;
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break;
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case OPT_TLS1:
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min_version = TLS1_VERSION;
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max_version = TLS1_VERSION;
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break;
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case OPT_TLS1_1:
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min_version = TLS1_1_VERSION;
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max_version = TLS1_1_VERSION;
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break;
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case OPT_TLS1_2:
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min_version = TLS1_2_VERSION;
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max_version = TLS1_2_VERSION;
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break;
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case OPT_TLS1_3:
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min_version = TLS1_3_VERSION;
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max_version = TLS1_3_VERSION;
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break;
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case OPT_PSK:
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#ifndef OPENSSL_NO_PSK
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psk = 1;
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#endif
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break;
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case OPT_SRP:
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#ifndef OPENSSL_NO_SRP
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srp = 1;
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#endif
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break;
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case OPT_CIPHERSUITES:
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ciphersuites = opt_arg();
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break;
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case OPT_PROV_CASES:
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if (!opt_provider(o))
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goto end;
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break;
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}
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}
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/* Optional arg is cipher name. */
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argv = opt_rest();
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if (opt_num_rest() == 1)
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ciphers = argv[0];
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else if (!opt_check_rest_arg(NULL))
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goto opthelp;
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if (convert != NULL) {
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BIO_printf(bio_out, "OpenSSL cipher name: %s\n",
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OPENSSL_cipher_name(convert));
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ret = 0;
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goto end;
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}
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ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
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if (ctx == NULL)
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goto err;
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if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
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goto err;
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if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
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goto err;
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#ifndef OPENSSL_NO_PSK
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if (psk)
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SSL_CTX_set_psk_client_callback(ctx, dummy_psk);
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#endif
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#ifndef OPENSSL_NO_SRP
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if (srp)
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set_up_dummy_srp(ctx);
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#endif
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if (ciphersuites != NULL && !SSL_CTX_set_ciphersuites(ctx, ciphersuites)) {
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BIO_printf(bio_err, "Error setting TLSv1.3 ciphersuites\n");
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goto err;
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}
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if (ciphers != NULL) {
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if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
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BIO_printf(bio_err, "Error in cipher list\n");
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goto err;
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}
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}
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ssl = SSL_new(ctx);
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if (ssl == NULL)
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goto err;
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if (use_supported)
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sk = SSL_get1_supported_ciphers(ssl);
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else
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sk = SSL_get_ciphers(ssl);
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if (!verbose) {
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for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
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const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
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if (!ossl_assert(c != NULL))
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continue;
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p = SSL_CIPHER_get_name(c);
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if (p == NULL)
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break;
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if (i != 0)
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BIO_printf(bio_out, ":");
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BIO_printf(bio_out, "%s", p);
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}
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BIO_printf(bio_out, "\n");
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} else {
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for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
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const SSL_CIPHER *c;
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c = sk_SSL_CIPHER_value(sk, i);
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if (!ossl_assert(c != NULL))
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continue;
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if (Verbose) {
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unsigned long id = SSL_CIPHER_get_id(c);
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int id0 = (int)(id >> 24);
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int id1 = (int)((id >> 16) & 0xffL);
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int id2 = (int)((id >> 8) & 0xffL);
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int id3 = (int)(id & 0xffL);
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if ((id & 0xff000000L) == 0x03000000L)
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BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3
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* cipher */
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else
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BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
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}
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if (stdname) {
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const char *nm = SSL_CIPHER_standard_name(c);
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if (nm == NULL)
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nm = "UNKNOWN";
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BIO_printf(bio_out, "%-45s - ", nm);
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}
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BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof(buf)));
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}
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}
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ret = 0;
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goto end;
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err:
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ERR_print_errors(bio_err);
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end:
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if (use_supported)
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sk_SSL_CIPHER_free(sk);
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SSL_CTX_free(ctx);
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SSL_free(ssl);
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return ret;
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}
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